1 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
3 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
4 attribute macros from here ...
6 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
8 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
10 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
11 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
13 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
17 * diagnostic (vbuild_message_string, build_message_string,
18 build_location_prefix, output_get_prefix, init_output_buffer,
19 output_notice, vline_wrapper_message_with_location,
20 v_message_with_decl, default_print_error_function): De-constify.
21 (set_real_maximum_length): Prototype.
23 * diagnostic.h (struct output_buffer, init_output_buffer,
24 output_get_prefix, output_set_prefix): De-constify.
26 * function.c (init_function_start): Constify.
28 * gensupport.c (remove_constraints, process_rtx): Prototype.
30 * gthr-posix.h: Indent uses of #pragma.
32 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
35 * predict.c (find_expected_value): Delete prototype.
36 (expected_value_to_br_prob): Initialize variable `ev_reg'.
38 * sbitmap.h (debug_sbitmap): Prototype.
40 * ssa.c (compute_coalesced_reg_partition): Prototype.
42 * stor-layout.c (debug_rli): Prototype.
44 * tree.h (round_down): Prototype.
45 (init_function_start): Constify.
47 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
49 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
50 (overly conservative). Change extern inline wrappers to
51 static inline, define them always, use PARAMS properly.
52 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
53 whitespace warnings for \f and \v at the beginning of a line.
55 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
57 * haifa-sched.c (schedule_insns): Free the flow edge list when it
60 2000-05-04 Bruce Korb <bkorb@gnu.org>
62 * fixincl/inclhack.def: added broken_cabs -
63 Remove `extern double cabs' declarations from math.h
64 * fixincl/inclhack.sh: regen
65 * fixincl/fixincl.x: regen
66 * fixincl/fixincl.c: Remove BOGOSITY code
67 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
69 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
71 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
73 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
74 when calling MEM_COPY_ATTRIBUTES.
75 * emit-rtl.c (operand_subword, change_address): Likewise.
76 * explow.c (stabilize): Likewise.
77 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
78 * integrate.c (copy_rtx_and_substitute): Likewise.
79 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
80 when calling MEM_COPY_ATTRIBUTES.
81 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
83 * cse.c (gen_lowpart_if_possible): Likewise.
84 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
85 * optabs.c (gen_move_insn): Likewise.
86 * recog.c (validate_replace_rtx_1): Likewise.
87 * simplify-rtx.c (add_mem_for_addr): Likewise.
88 * stmt.c (expand_anon_union_decl): Likewise.
89 * config/arm/arm.md: Likewise.
90 * config/h8300/h7300.c (fix_bit_operand): Likewise.
91 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
92 (block_move_no_loop, block_move_sequence): Likewise.
93 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
94 * config/alpha/alpha.c (get_aligned_mem): Likewise.
96 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
99 2000-05-03 Robert Lipe <robertlipe@usa.net>
101 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
103 (i[34567]86-*-sco3.2v5*) Likewise.
104 (i[34567]86-*-sco3.2v4*) Likewise.
105 (i[34567]86-*-sco) Likewise.
106 (i[34567]86-*-solaris2) Likewise.
107 (i[34567]86-*-sysv5*) Likewise.
108 (i[34567]86-*-sysv4*) Likewise.
109 (i[34567]86-*-udk*) Likewise.
110 (i[34567]86-*-sysv*) Likewise.
112 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
114 * cpphash.h (U): New define, to correct type of string constants.
115 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
116 routines, to do casts when passing unsigned strings to libc.
117 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
119 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
120 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
121 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
122 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
123 second argument an U_CHAR *.
125 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
126 length field, clean up initializer.
127 (ISTABLE): Add __extension__ to designated-
128 initializers version.
129 * cpplex.c (CHARTAB): Likewise.
131 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
132 case so the file won't be empty.
134 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
136 * bb-reorder.c (struct reorder_block_def): Member succ removed.
137 (REORDER_BLOCK_SUCC): Removed.
138 (enum reorder_skip_type): Removed.
139 (skip_insns_between_block): Renamed to skip_insns_after_block.
140 Removed second argument. Removed dead code and cleaned up.
141 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
142 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
143 second parameter to skip_insns_after_block.
145 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
147 * tree.c (staticp, case LABEL_DECL): New case.
149 2000-05-03 Richard Henderson <rth@cygnus.com>
151 * Makefile.in (start.encap): Do not depend on LIBGCC1.
153 * mklibgcc1.in: Fix typo last change.
155 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
157 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
158 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
159 (GCC_CFLAGS): Use it.
160 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
161 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
162 objc/Make-lang.in: Use it.
164 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
166 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
168 2000-05-03 Richard Henderson <rth@cygnus.com>
170 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
171 LIBGCC1 empty with libgcc1.null.
173 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
175 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
178 2000-05-03 Greg McGary <gkm@gnu.org>
180 * tree.h (tree_common): Add bounded_flag member. Remove
181 inaccurate comment about number of remaining bits.
182 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
183 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
184 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
185 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
186 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
187 (TYPE_QUAL_BOUNDED): New constant.
188 (TYPE_QUALS): Handle bounded qualifier.
189 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
190 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
191 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
192 TYPE_AMBIENT_BOUNDEDNESS): New macros.
193 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
194 (tree_type): Add pointer_depth member. Remove
195 inaccurate comment about number of remaining bits.
196 (DECL_POINTER_DEPTH): Add macro.
197 (tree_decl): Add pointer_depth member.
199 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
201 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
202 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
203 (lshrhi3_out): Likewise.
204 (ashrsi3_out): bugfix in shift by 8.
205 (test_hard_reg_class): New function.
206 * config/avr/avr.md: Bugfix inside conditions in peepholes.
207 (ashlhi3): removed define_expand of this pattern.
208 (*ashlhi3_insn): renamed to ashlhi3.
209 (ashlsi3): removed define_expand of this pattern.
210 (*ashlsi3_insn): renamed to ashlsi3.
211 (ashrqi3): removed define_expand of this pattern.
212 (*ashrqi3_insn): renamed to ashrqi3.
213 (ashrhi3): removed define_expand of this pattern.
214 (*ashrhi3_insn): renamed to ashrhi3.
215 (ashrsi3): removed define_expand of this pattern.
216 (*ashrsi3_insn): renamed to ashrsi3.
217 (lshrhi3): removed define_expand of this pattern.
218 (*lshrhi3_insn): renamed to lshrhi3.
219 (lshrsi3): removed define_expand of this pattern.
220 (*lshrsi3_insn): renamed to lshrsi3.
222 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
224 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
225 inclusion of "system.h".
227 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
229 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
232 2000-05-03 David Mosberger <davidm@hpl.hp.com>
234 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
236 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
237 -mconstant-gp is in effect and function-descriptors are being used
238 to make indirect calls.
239 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
240 (MASK_AUTO_PIC): Ditto.
241 (TARGET_CONST_GP): Ditto.
242 (TARGET_AUTO_PIC): Ditto.
243 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
244 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
245 -mno-pic is in effect.
246 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
247 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
248 -mauto-pic is in effect.
249 (gprel64_offset): New pattern.
250 (load_gprel64): Ditto.
251 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
252 -mconstant-gp is in effect, no need to preserve gp around direct
255 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
256 (FUNCTION_PROFILER): Define.
257 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
258 @fptr() directive when -mno-pic or -mauto-pic is in effect.
259 (ASM_OUTPUT_DESTRUCTOR): Ditto.
261 2000-05-03 Richard Henderson <rth@cygnus.com>
263 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
264 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
265 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
266 (mklibgcc, libgcc.mk): New targets.
267 (libgcc.a): Use libgcc.mk.
268 (stmp-multilib): Likewise.
269 (stmp-multilib-sub): Remove.
270 (mostlyclean): Don't delete libgcc2 temp files.
271 * configure.in (AC_PROG_CC_C_O): Add.
272 (NO_MINUS_C_MINUS_O): Substitute it.
273 (all_outputs): Add mklibgcc.
274 * mklibgcc.in: New file.
276 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
278 * cppexp.c (op_t): Make an int.
280 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
282 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
284 * gensupport.c (process_rtx): Fix macros used.
286 2000-05-03 Richard Henderson <rth@cygnus.com>
288 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
289 call-clobbered registers of a call.
291 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
293 * gensupport.c: New file.
294 * gensupport.h: New file.
295 * Makefile.in (HOST_RTL): Depend on gensupport.
296 (gensupport.o) New rule.
297 * genattr.c: Use gensupport for reading .md files.
298 * genattrtab.c: Ditto.
300 * genconfig.c: Ditto.
302 * genextract.c: Ditto.
304 * genopinit.c: Ditto.
305 * genoutput.c: Ditto.
308 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
309 * md.texi (Insn Splitting): Document define_insn_and_split.
311 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
313 * flow.c (verify_flow_info): Added two more sanity checks. The
314 first checks that the blocks are numbered consecutively. The second
315 checks that n_basic_blocks is actually equal to the number of
316 basic blocks in the insn chain.
318 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
320 * cpplib.h: Add accessor macros for token lists.
321 * cpplib.c, cpphash.c, cpplex.c: Use them.
323 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
325 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
326 memory usage if not in a function.
327 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
328 return address if static.
330 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
332 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
333 whether address may trap.
335 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
337 * bb-reorder (chain_reorder_blocks): Changed code to test for
338 EDGE_FALLTHRU rather than making erroneous assumption that the
339 first outgoing edge is the fall-through edge.
341 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
343 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
344 ABI for varargs, across all MIPS. This is incompatible because the
345 va_list (__builtin_va_list) structure is different, so a compilation
346 unit passing a va_list and a compilation unit being passed one, should
347 both be compiled with the same ABI. (The old structure had two
348 pointers, now it has three.)
350 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
352 * bb-reorder.c (struct reorder_block_def): Remove members end,
353 block_begin, and block_end.
354 (REORDER_BLOCK_OLD_END): Delete.
355 (REORDER_BLOCK_BEGIN): Delete.
356 (REORDER_BLOCK_END): Delete.
357 (chain_reorder_blocks): Remove dead code.
359 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
361 * bb-reorder.c (remove_scope_notes): Check for both types of scope
362 notes as the end of a basic block before deleting.
364 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
366 * final.c (final_start_function): Fix spelling of "necessary".
368 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
370 * toplev.c (debug_ignore_block): Return int.
371 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
372 * toplev.h, dwarf2out.h: Adjust.
373 * emit-rtl.c (remove_unnecessary_notes): Test return value.
375 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
376 * toplev.c, final.c, rtl.h: Adjust.
378 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
380 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
381 * configure.in: Look for makeinfo in the unified tree, then
382 for a system makeinfo which is sufficiently new.
383 * Makefile.in: If configure says makeinfo is too old, don't
384 build or install Info documentation.
386 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
388 * cpphash.c (collect_params): Fix off-by-one error.
389 (dump_hash_helper): Dump all four macro nodetypes.
391 2000-05-02 Jakub Jelinek <jakub@redhat.com>
393 * cpphash.c (trad_stringify): Adjust p after stringification as
396 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
398 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
399 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
401 * cppfiles.c (file_cleanup): Delete.
402 * cpphash.c (macro_cleanup): Delete.
403 (collect_objlike_expansion, collect_funlike_expansion,
404 macarg, scan_arguments): Remove CPP_POP case.
406 * cpplex.c (null_cleanup): Delete.
407 (cpp_pop_buffer): Do the work that was done in the cleanups
408 here. Call _cpp_unwind_if_stack from here.
409 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
410 cpp_scan_buffer): Run until we see CPP_EOF and the top of
411 stack is the buffer _below_ the one we stacked.
412 (cpp_get_token): Always pop an exhausted buffer. Return
413 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
414 * cpplib.c (skip_if_group): Don't call cpp_get_token to
415 increment the line number.
416 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
418 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
419 we see CPP_EOF and the top of stack is the buffer _below_ the
421 * scan-decls.c: Likewise.
423 2000-05-02 Andrew Haley <aph@cygnus.com>
425 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
426 where this function is called for the second time on a decl that
427 has had its section info changed in such a way as to move it out
429 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
431 2000-05-01 Richard Henderson <rth@cygnus.com>
433 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
434 the sequence we're moving, not to merge_bb->head.
436 2000-05-01 Richard Henderson <rth@cygnus.com>
438 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
439 reference to alpha/t-linux.
440 (alpha*-*-linux-gnu*): Likewise.
441 * configure: Rebuild.
443 * calls.c (expand_call): Don't emit reg notes for a sibcall.
445 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
448 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
450 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
452 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
455 2000-05-01 Richard Henderson <rth@cygnus.com>
457 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
458 emit_conditional_move.
460 2000-05-01 Jakub Jelinek <jakub@redhat.com>
462 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
463 as the dynamic linker.
465 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
467 * cppfiles.c (open_include_file): Open file in blocking mode.
468 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
469 Only exclude block devices and directories.
471 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
472 static. Allocate the hashnode and its string in the same
474 (del_HASHNODE): Don't free h->name.
475 (_cpp_lookup): If there is no entry for this string, create
477 (_cpp_lookup_slot): Delete.
478 * cpphash.h: Update prototypes.
480 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
482 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
483 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
484 node here, just fill in the value field properly. "Delete"
485 entries by setting the value field to T_VOID. Check for
486 hp->type == T_VOID, not hp == NULL.
488 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
489 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
492 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
494 * config/mn10300/mn10300.c (print_operand_address): Do not add
497 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
498 adjusted by less than 256 bytes, use ret regardless of having any
499 callee-saved register to restore.
501 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
503 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
505 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
507 * config/i386/djgpp.h (INT_ASM_OP): Define.
508 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
509 (ASM_WEAKEN_LABEL): Define.
510 (MASK_BNU210): Define.
511 (SUBTARGET_SWITCHES): Define.
512 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
513 (MAKE_DECL_ONE_ONLY): Define.
514 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
516 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
518 * i386/cygwin.h (INT_ASM_OP): Define.
520 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
522 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
523 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
525 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
527 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
528 __tmp_reg__ and __zero_reg__ initialization.
530 2000-04-30 Richard Henderson <rth@cygnus.com>
532 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
534 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
535 referenced bewteen the condition and the jump. Don't delete
536 anything but the jump.
538 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
540 * bb-reorder.c (scope_def): New struct.
541 (scope_forest_info): New struct.
542 (struct reorder_block_def): New member "scope".
543 (REORDER_BLOCK_SCOPE): New macro.
544 (relate_bbs_with_scopes): New function and prototype.
545 (make_new_scope): Likewise.
546 (build_scope_forest): Likewise.
547 (remove_scope_notes): Likewise.
548 (insert_intra_1): Likewise.
549 (insert_intra_bb_scope_notes): Likewise.
550 (insert_inter_bb_scope_notes): Likewise.
551 (rebuild_scope_notes): Likewise.
552 (free_scope_forest_1): Likewise.
553 (free_scope_forest): Likewise.
554 (dump_scope_forest): Likewise.
555 (dump_scope_forest_1): Likewise.
556 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
557 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
559 (reorder_basic_blocks): Added calls to build_scope_scope_forest
560 and remove_scope_notes before reordering is done. Added calls to
561 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
562 after reordering is done.
564 2000-40-30 Bruce Korb <bkorb@gnu.org>
566 * fixinc/inclhack.def: Added definitions needed by OSR5,
567 removed two stale entries (defined away with OLD_CPP).
568 * fixinc/inclhack.sh: regen
569 * fixinc/fixincl.x: regen
571 2000-04-30 Richard Henderson <rth@cygnus.com>
573 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
574 from the last insn in the sequence.
576 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
578 * cpplex.c (cpp_idcmp): New function.
579 * cpplib.h: Prototype it.
580 * scan_decls.c (scan_decls): Use it to inspect token names.
581 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
582 the file being run through the preprocessor.
583 (check_macro_names): Provide length of token to cpp_defined.
585 * Makefile.in: Remove stale warning message.
587 * cppfiles.c (redundant_include_p): Provide length of token to
589 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
590 values are unsigned int.
591 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
592 (_cpp_lookup_slot): Do not calculate the hash, either.
593 * cpphash.h: Update prototypes.
594 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
595 Hashes are unsigned int. Calculate hash here, pass by value
598 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
600 * simplify-rtx.c (check_value_useless): Delete function.
601 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
603 (cselib_invalidate_regno): Likewise.
604 (cselib_invalidate_mem_1): Likewise.
605 (references_value_p): Recognize useless values by the fact that they
607 (discard_useless_values): Likewise.
608 (cselib_record_set): This may turn a useless value
611 2000-04-30 Richard Henderson <rth@cygnus.com>
613 * config/d30v: New port.
615 * configure.in (d30v-*): Set fp format.
616 * configure: Rebuild.
618 2000-04-30 Richard Henderson <rth@cygnus.com>
621 * Makefile.in (OBJS): Add it.
622 (ifcvt.o): New target.
623 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
624 and conditional arithmetic.
625 (find_insert_position): Remove.
626 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
627 * toplev.c (DFI_ce, DFI_ce2): New.
628 (dump_file): Add ce and ce2 dumps.
629 (rest_of_compilation): Run if_convert a couple o times. Set
630 cse_not_expected after cse2. Don't set no_new_pseudos until
631 after sched1 or recompute_reg_usage.
633 2000-04-30 Richard Henderson <rth@cygnus.com>
635 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
636 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
638 2000-04-30 Richard Henderson <rth@cygnus.com>
640 * flow.c (struct reg_cond_life_info): New.
641 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
642 (init_propagate_block_info): Initialize them.
643 (free_propagate_block_info): Destruct them.
644 (mark_set_1): Consider conditional life before killing a register.
645 (mark_regno_cond_dead): New.
646 (free_reg_cond_life_info): New.
647 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
648 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
649 (mark_used_reg): Record conditional life.
651 * haifa-sched.c (schedule_insns): Disable death counting
652 sanity check for HAVE_conditional_execution.
654 2000-04-30 Richard Henderson <rth@cygnus.com>
656 * Makefile.in (TIMEVAR_H): New.
657 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
658 (timevar.h): Remove rule.
660 2000-04-29 Richard Henderson <rth@cygnus.com>
662 * config/alpha/crtend.asm: Use C comments instead of #.
663 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
665 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
667 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
669 * cpphash.h (enum node_type: Take out T_MCONST.
670 (union hashval): Move into struct hashnode.
671 (struct hashnode): Pack tighter. Remove file, line, col
673 * cpphash.c: Constify most of the macro-definition structures.
674 (struct definition): Replace by struct object_defn
675 and struct funct_defn. Put file, line, column information
676 here. All users updated to match.
677 (_cpp_create_definition, _cpp_macroexpand): Remove special
678 case for #define WORD OTHERWORD.
679 * cpplib.c (do_undef): Remove T_MCONST case.
681 * cpphash.h: Move struct reflist, struct definition, and the
682 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
683 union hashval. _cpp_free_definition takes a HASHNODE pointer.
684 * cpphash.c (_cpp_free_definition): Free data pointed to by
685 MCONST, XCONST, MACRO, and FMACRO nodes properly.
686 (_cpp_create_definition, del_HASHNODE): Just call
687 _cpp_free_definition to clear out a hashnode.
688 * cpplib.c (do_pragma_poison): Likewise.
690 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
692 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
693 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
694 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
695 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
696 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
697 REGNO_AM33_P): Redefine in terms of the new macros.
698 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
699 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
700 STRUCT_VALUE): Likewise.
701 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
702 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
704 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
706 * regmove.c (struct record_stack_memrefs_data): New.
707 (record_stack_memrefs): New function.
708 (combine_stack_adjustments_for_block): Use it.
710 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
712 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
713 use special_function_p to detect alloca.
715 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
717 * gcc.texi: Fixes for makeinfo 4.0 --html.
719 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
721 * pcp.h: Delete file.
723 2000-04-28 Kazu Hirata <kazu@hxi.com>
725 * h8300.c (function_epilogue): Clean up flags when the last insn
726 in a function is a barrier.
728 2000-04-28 Chris Demetriou <cgd@sibyte.com>
730 * configure.in (sparc-hal-solaris2*): protect [] glob from
732 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
733 rather than hard-coded constants in target_cpu_default2.
734 * configure: Regenerate.
736 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
738 * tree.c (get_callee_fndecl): Extract the initial value from
741 2000-04-28 Richard Henderson <rth@cygnus.com>
743 * varasm.c (record_constant_1): Record the CODE_LABEL when
744 taking the address of a LABEL_REF.
746 2000-04-28 Richard Henderson <rth@cygnus.com>
747 Jan Hubicka <jh@suse.cz>
749 * calls.c (combine_pending_stack_adjustment_and_call): Return the
750 adjustment; don't do the stack adjust.
751 (expand_call): Call compute_argument_block_size right before
752 allocating the block; update comment; don't do alignment sanity
753 checking for sibling call; use args_size instead of
754 unadjusted_args_size before args_size is adjusted. Use
755 combine_pending_stack_adjustment_and_call to compute stack adjust
756 for must_preallocate case.
758 * expr.c (push_block): Remove shadow `temp' in inner scope.
760 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
762 * toplev.c (rest_of_compilation): Call
763 note_deferral_of_defined_inline_function even if the function
766 2000-04-28 Scott Bambrough <scottb@netwinder.org>
768 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
770 2000-04-28 Richard Henderson <rth@cygnus.com>
772 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
774 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
776 * timevar.c (init_timevar): DeANSIfy function definition.
778 2000-04-27 Alex Samuel <samuel@codesourcery.com>
780 * Makefile.in (timevar.o): Depend on flags.h.
781 * timevar.c (unused_stack_instances): New variable.
782 (timevar_push): Take a timevar_stack_def from
783 unused_stack_instances if available.
784 (timevar_pop): Push the popped timevar_stack_def onto
785 unused_stack_instances.
786 (TIMEVAR_ENABLE): New macro.
787 (timevar_def): Make standalone a 1-bit field. Add field used.
788 (get_time): Rename parameter to now. Return after clearing it if
790 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
791 (timevar_pop): Likewise.
792 (timevar_stop): Likewise.
793 (timevar_push): Likewise. Mark the timing variable as used.
794 (timevar_start): Likewise.
795 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
796 timevars that were never used.
798 2000-04-27 Mark Mitchell <mark@codesourcery.com>
800 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
801 always TREE_READONLY.
803 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
805 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
806 for call instruction with mode QImode.
808 2000-04-27 Alex Samuel <samuel@codesourcery.com>
810 * Makefile.in (OBJS): Add timevar.o.
811 (toplev.o): Depend on timevar.h.
812 (ggc-simple.o): Likewise.
813 (ggc-page.o): Likewise.
814 (timevar.o): New rule.
815 (timevar.h): New rule.
817 * timevar.h: New file.
818 * timevar.c: Likewise.
819 * timevar.def: Likewise.
821 * toplev.h (gc_time, parse_time, varconst_time): Remove.
822 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
824 (TIMEVAR): Remove macro.
825 (gc_time, parse_time, varconst_time, integration_time, jump_time,
826 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
827 flow_time, combine_time, regmove_time, sched_time,
828 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
829 sched2_time, dbr_sched_time, reorder_blocks_time,
830 rename_registers_time, shorten_branch_time, stack_reg_time,
831 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
833 (compile_file): Don't initialize time variables. Call
834 init_timevar and start TV_TOTAL timer. Call timevar_print instead
835 of many calls to print_time.
836 (rest_of_compilation): Add timing for reload_cse_regs.
837 (get_run_time): Removed to timevar.c.
838 (print_time): Likewise.
839 (get_run_time): Implement using TV_TOTAL time variable.
840 (print_time): Get total run time from get_run_time.
841 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
842 computing elapsed time explicitly.
843 * ggc-simple.c (ggc_collect): Likewise.
844 (gc_time): Remove declaration.
846 2000-04-27 Mark Mitchell <mark@codesourcery.com>
848 * calls.c (combine_pending_stack_adjustment_and_call): New function.
849 (expand_call): Use it.
851 2000-04-27 Jan Hubicka <jh@suse.cz>
853 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
856 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
858 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
861 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
863 * function.c (epilogue_done): Pass whole insn to record_insns.
865 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
867 * cse.c (CSE_ADDRESS_COST): Remove.
868 (find_best_addr): Add new parameter "MODE", use address_cost instead
871 (fold_rtx): Update call of find_best_addr.
872 * rtl.h (address_cost): Declare.
873 * loop.c (general_induction_var): Add new parameter "MODE", use
874 address_cost instead of ADDRESS_COST
875 (init_loop): Use address_cost instead of ADDRESS_COST.
876 (check_insn_for_givs): Update call of general_induction_var.
877 (find_mem_givs): Likewise.
878 (consec_sets_giv): Likewise.
879 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
880 * i386.c (ix86_address_cost): New.
881 * i386-protos.h (ix86_address_cost): Declare.
883 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
885 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
888 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
890 * expr.c (store_expr): Use clear_storage instead of direct memset
893 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
895 * config/mn10300/mn10300.c (mn10300_address_cost): Test
896 ASHIFT, AND and LABEL_REF.
898 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
900 * invoke.texi (-foptimize-sibling-calls): Fix.
902 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
904 * loop.c (load_mems) Don't use hard registers for the hoisting.
906 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
907 calculation; rename const_equiv array in the preconditioning code
908 from loop_unroll to loop_unroll_precondition
910 2000-04-27 Richard Henderson <rth@cygnus.com>
912 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
914 (propagate_one_insn): Clear it. Don't update reg_live here.
915 (init_propagate_block_info): Update for pbi member changes.
916 (free_propagate_block_info): Likewise.
917 (mark_set_1): Know that zero_extract, sign_extract, and
918 strict_low_part don't kill their argument. Alter hard subregs.
919 Update new_set for non-CLOBBER sets. Update reg_live.
920 (find_auto_inc): Update reg_live, not new_dead.
921 (mark_used_reg): Update reg_live, not new_live. Examine new_set
922 to determine if the reg in question was set this insn. Only update
923 reg info with PROP_REG_INFO.
925 2000-04-26 Richard Henderson <rth@cygnus.com>
927 * flow.c (allocate_reg_life_data): Set max_regno here ...
928 (life_analysis): ... not here.
930 * flow.c (calculate_global_regs_live): Force stack pointer
933 2000-04-26 Richard Henderson <rth@cygnus.com>
935 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
936 commit change group changes.
937 (invert_exp_1): Similarly.
938 (redirect_exp, invert_exp): Use them.
939 (redirect_jump_1): New.
940 (invert_jump_1): New.
941 (jump_optimize_1): Remove code subsumed by condexec.c.
942 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
944 2000-04-26 Richard Henderson <rth@cygnus.com>
946 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
948 * genconfig.c (main): Set all HAVE_foo to 1.
950 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
952 2000-04-26 Alex Samuel <samuel@codesourcery.com>
954 * invoke.texi: Document -fssa flag.
956 2000-04-26 Richard Henderson <rth@cygnus.com>
958 * flow.c (count_reg_sets_1): Remove.
959 (count_reg_sets, count_reg_references): Remove.
960 (recompute_reg_usage): Implement with update_life_info.
961 Reallocate life data.
963 2000-04-26 Richard Henderson <rth@cygnus.com>
965 * flow.c (update_life_info): Consider blocks null to mean the
967 (calculate_global_regs_live): Likewise.
968 (life_analysis): Do that instead of collecting all_blocks.
970 2000-04-26 Richard Henderson <rth@cygnus.com>
972 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
973 a still-valid conditional jump.
975 2000-04-26 Richard Henderson <rth@cygnus.com>
977 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
979 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
980 * flow.c (calculate_loop_depth): Remove.
981 * output.h (calculate_loop_depth): Don't declare.
982 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
983 inline; run estimate_probability at the same time.
985 2000-04-26 Neil Booth <NeilB@earthling.net>
987 * cpplib.h: "~=" is not a single pp-token.
988 * cpplex.c: Correct commentary.
990 2000-04-26 Richard Henderson <rth@cygnus.com>
992 * flow.c (mark_set_1): New arguments code and flags; update all
993 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
994 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
995 loop_depth when optimizing for size. Do new_dead update after
996 emitting REG_UNUSED notes. Merge mark_set_reg code.
997 (mark_set_reg): Remove.
998 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
999 arrange to not emit REG_UNUSED notes.
1001 2000-04-26 Richard Henderson <rth@cygnus.com>
1003 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
1004 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
1006 2000-04-26 Richard Henderson <rth@cygnus.com>
1008 * flow.c (propagate_one_insn): Break out from propagate_block.
1009 (init_propagate_block_info): Likewise.
1010 (free_propagate_block_info): Likewise.
1011 (propagate_block): Use them. Export.
1012 * basic-block.h: Declare them all.
1014 2000-04-26 Richard Henderson <rth@cygnus.com>
1016 * basic-block.h (life_analysis): Declare here ...
1017 * output.h: ... not here.
1018 * flow.c (life_analysis): Remove nregs parameter; replace
1019 remove_dead_code with flags. Remove ssa dead code check.
1020 Only init alias analysis if we'll use it.
1021 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
1022 * ssa.c (convert_to_ssa): Likewise.
1023 (convert_from_ssa): Likewise.
1024 * toplev.c (rest_of_compilation): Likewise.
1026 2000-04-26 Richard Henderson <rth@cygnus.com>
1028 * flow.c (flow_delete_block): Rename from delete_block. Export.
1029 * basic-block.h (flow_delete_block): Declare.
1031 2000-04-26 David S. Miller <davem@redhat.com>
1033 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
1034 taking a PATTERN of it.
1036 2000-04-26 <NeilB@earthling.net>
1038 * cpplex.c (spell_other, spell_char): Remove.
1040 (token_spelling, trigraph_map): Use unsigned chars.
1041 (_cpp_lex_line): Tidy up the switch statement.
1042 * cpplib.h: Implement spell_char with spell_string.
1045 2000-04-26 <RodneyBrown@pmsc.com>
1047 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
1048 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
1050 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1052 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
1053 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
1054 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
1055 dwarf2out_return_save, dwarf2out_return_reg,
1056 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
1057 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
1058 gen_compile_unit_die, dwarf2out_init): Constify a char*.
1060 * dwarf2out.h (dwarf2out_init): Likewise.
1062 * dwarfout.c (filename_entry, primary_filename, last_filename,
1063 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
1065 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
1066 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
1067 dwarf2out_return_reg): Likewise.
1069 2000-04-26 Andreas Jaeger <aj@suse.de>
1071 * extend.texi (Function Attributes): Fix description of pure
1074 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
1076 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
1077 before calling rest_of_compilation.
1079 2000-04-26 Andreas Jaeger <aj@suse.de>
1081 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
1084 2000-04-25 Richard Henderson <rth@cygnus.com>
1086 * cse.c (cse_insn): Emit barrier after unconditional jump.
1088 * calls.c (expand_call): Disable tail call generation once
1089 rtx_equal_function_value_matters is false.
1091 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
1094 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
1096 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
1098 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
1100 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
1101 is the primary DIE for a member function.
1102 (gen_decl_die): Call set_decl_origin_self here.
1103 * dwarfout.c (output_decl): And here.
1104 * integrate.c (output_inline_function): Not here.
1105 Don't clear DECL_INLINE until after calling rest_of_compilation.
1106 (set_decl_origin_self): No longer static.
1107 * tree.h: Add prototype.
1108 * toplev.c (note_deferral_of_defined_inline_function): Only write
1109 out abstract instance for actual inlines.
1111 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
1113 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
1114 EXTENDED_REGS only if TARGET_AM33.
1115 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
1116 SP_REGS to register allocation and reloading unless absolutely
1118 (movsi3): Remove special-case of adding non-constants to SP.
1120 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1122 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
1123 INCLUDES to search and does not provide any of its own. Also it
1124 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
1125 parameters. Also it does not call AC_DEFINE.
1126 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
1127 AC_DEFINE and provides for automatic entries for autoheader.
1128 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
1130 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
1131 so we can pass -I flags and include gansidecl.h/system.h in this
1134 * acconfig.h: Delete all NEED_DECLARATION_* entries.
1136 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1138 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
1139 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
1140 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
1142 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
1143 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
1144 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
1145 for these macros. Clean up spacing and linewraps.
1147 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
1149 * calls.c (expand_call): Use get_callee_fndecl.
1151 * print-tree.c (print_node): Print the chain of an _EXPR.
1153 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
1154 Jim Wilson <wilson@cygnus.com>
1155 Andrew Haley <aph@cygnus.com>
1157 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
1158 and gp save/restore problems.
1159 * config/ia64/crtend.asm: Add IA-64 unwind support.
1160 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
1161 in fr_pad_size calculation.
1162 (save_restore_insns): Move PR save area. Correct uses of
1163 RTX_FRAME_RELATED_P.
1164 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
1165 (ia64_expand_epilogue): Add eh_epilogue support.
1166 (ia64_function_prologue): Emit .prologue directive.
1167 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
1168 (ia64_override_options): Set init_machine_status and
1169 mark_machine_status.
1170 (rtx_needs_barrier): Handle bsp reads and writes.
1171 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
1172 New static variables.
1173 (process_set, process_for_unwind_directive): New functions.
1174 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
1175 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
1176 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
1178 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
1179 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
1180 (struct machine_function): Define.
1181 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
1183 2000-04-25 Bruce Korb <bkorb@gnu.org>
1185 * fixinc/Makefile.in: make the removal of old programs more
1187 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
1188 install-bin and install-sh
1190 2000-04-25 Nick Clifton <nickc@cygnus.com>
1192 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
1193 defined, define to return zero.
1194 (function_cannot_inline_p): If a function has any target
1195 specific attributes, then use the macro
1196 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
1197 whether it can be inlined. If it cannot, issue a suitable
1200 * tm.texi: Add a new node 'Inlining' to document the new macro
1201 FUNCTION_ATTRIBUTE_INLINABLE_P.
1203 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
1205 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
1208 2000-04-25 Neil Booth <NeilB@earthling.net>
1210 Restore previous patch, plus the following fixes:
1212 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
1213 flags, not CPP_OPEN_PAREN.
1214 * cpplex.c (expand_token_space, init_token_list,
1215 cpp_free_token_list): Put the dummy token at list->tokens[-1].
1216 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
1218 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1220 * config/i386/freebsd.h (INT_ASM_OP): Define.
1222 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
1224 * loop.c (strength_reduce): Fix typo in the last checkin.
1226 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1228 * stor-layout.c (finalize_record_size): Simplify to use existing
1230 (compute_record_mode): No longer static.
1231 * tree.h (compute_record_mode): New declaration.
1233 2000-04-25 Neil Booth <NeilB@earthling.net>
1235 * Revert my patch below until cause of build failures
1238 2000-04-25 Richard Henderson <rth@cygnus.com>
1240 * combine.c (combine_instructions): Add missing argument
1243 * toplev.c (rest_of_compilation): Delay sibcall optimization
1244 until after emit_eh_context.
1246 2000-04-24 Nick Clifton <nickc@redhat.com>
1248 * combine.c (combine_instructions): Do not try to combine a
1249 sequence of insns when the second insn has been replaced by a
1252 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
1254 * gcc.c (load_specs): New static function.
1255 (read_specs): Use it.
1257 * gcc.c (lookup_compiler): Make multiple passes for case
1258 insensitive filesystems.
1260 2000-04-24 Neil Booth <NeilB@earthling.net>
1262 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
1263 * cpphash.h (_cpp_check_directive): new.
1264 * cpplex.c (handle_newline, cpp_free_token_list,
1265 init_trigraph_map, trigraph_ok, trigraph_replace,
1266 backslash_start, skip_block_comment, skip_line_comment,
1267 skip_whitespace, parse_name, parse_number, parse_string,
1268 copy_comment, _cpp_lex_line, spell_char, spell_string,
1269 spell_comment, spell_name, spell_other, _cpp_lex_file,
1270 _cpp_output_list): new.
1271 (expand_name_space): take length argument.
1272 (init_token_list): add comment list initialisation.
1273 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
1274 instead of HSPACE_BEFORE.
1276 * cpplib.c (_cpp_check_directive): new
1277 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
1278 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
1279 (HSPACE_BEFORE): delete.
1280 (TTYPE_TABLE): rearrange.
1281 (struct cpp_toklist): update.
1283 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1285 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
1286 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
1287 argument form of AC_DEFINE.
1289 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
1290 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
1291 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
1292 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
1293 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
1295 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
1297 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1299 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
1300 deduced.h): Use -isystem, not -I, for including system headers.
1302 2000-04-24 Nick Clifton <nickc@cygnus.com>
1304 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
1305 the source register is the frame pointer or arg pointer.
1306 (addsi3_small_int): Disallow if source register is the frame
1307 pointer or arg pointer.
1309 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1311 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
1312 call to AC_MSG_RESULT.
1314 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1316 * invoke.texi: Correct grammatical errors, document
1317 -fno-gnu-keywords as identical to -fno-asm for C++.
1319 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1321 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
1322 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
1323 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
1324 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
1325 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
1327 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
1328 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
1329 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
1330 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
1333 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
1335 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
1336 (pop_alignment): Likewise.
1337 (handle_pragma_token): Likewise.
1339 2000-04-24 Robert Lipe <robertlipe@usa.net>
1341 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
1343 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
1345 * combine.c (try_combine): Update reg_nonzero_bits of
1346 newi2pat before newpat.
1348 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
1350 * loop.c (strength_reduce): Simplify test to INSN_P.
1351 (record_giv): Attempt to simplify the add value, use CONSTANT_P
1352 expressions instead of CONST_INT.
1353 (express_from_1): Likewise.
1355 2000-04-24 Mark Mitchell <mark@codesourcery.com>
1357 * regs.h (reg_n_max): Don't declare.
1358 * flow.c (reg_n_max): Don't define.
1359 * regclass.c (renumber): Don't initialize to zero.
1360 (regno_allocated): Likewise.
1361 (reg_n_max): Define.
1362 (allocate_reg_info): Don't initialize unnecessarily.
1364 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
1366 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
1367 and blockage_p in the newly allocated attribute.
1369 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
1371 * config/mn10300/mn10300.md (addsi): `inc4' on address
1372 registers does not modify cc, but `inc' on an extended
1375 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
1377 * reload.c (find_equiv_reg): Checks all valueno regs
1378 as a reload_reg_p regs.
1380 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1382 * cpphash.c (collect_objlike_expansion): Add sanity check.
1383 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
1384 the buffer is the empty string, return. Mark __DATE__ and
1385 __TIME__ as XCONST nodes, not MCONST.
1386 (_cpp_macroexpand): Avoid pushing an empty buffer.
1387 (funlike_macroexpand): Don't pop token_buffer here.
1389 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
1391 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
1392 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
1393 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
1394 (REGNO_OK_FOR_BASE_P): Define in terms of them.
1395 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
1396 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
1397 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
1399 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1401 * loop.c (simplify_giv_expr): Be more agressive on simplifying
1404 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1406 * cpphash.h (struct definition): Move file, line, col members...
1407 (struct hashnode): ... here. Also add 'disabled' flag.
1408 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
1409 T_IDENTITY. Remove T_DISABLED.
1412 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
1413 (collect_expansion): Split into collect_objlike_expansion and
1414 collect_funlike_expansion.
1415 (_cpp_macroexpand): Split out scan_arguments, stringify, and
1416 funlike_macroexpand.
1417 (_cpp_compare_defs): Rename compare_defs, make static.
1418 (_cpp_make_hashnode): Initialize hp->disabled.
1419 (macro_cleanup): Adjust for new token types. Clear
1421 (_cpp_create_definition): Move code here to determine what
1422 sort of macro it is, and code to check for redefinitions, from
1423 do_define. Implement a few simple cases without creating a
1425 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
1426 Handle the simple cases.
1427 (push_macro_expansion): Set buf->has_escapes and hp->disabled
1430 * cppinit.c (builtin_array): Change MCONST to XCONST
1432 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
1433 fix check for disabled and function-like macros.
1434 * cpplib.c (do_define): Move most logic to
1435 _cpp_create_definition.
1436 (do_undef): Handle new special token types.
1438 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
1440 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
1441 of CONSTANT_P for mult_val; always use validate_change to update insn.
1443 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
1445 * cpphash.c (trad_stringify, add_pat): New functions.
1446 (collect_expansion): Restore support for -traditional syntax.
1447 Use trad_stringify and add_pat.
1448 (_cpp_macroexpand): Restore support for -traditional semantics.
1449 * cpplex.c (_cpp_scan_line): Don't change space_before if we
1450 get a COMMENT token.
1451 (_cpp_lex_token): Provide COMMENT tokens to caller if
1452 traditional and parsing_define_directive.
1453 (skip_comment): Warn about // comments if -Wtraditional.
1454 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1456 (do_undef): Don't warn about undefining EMPTY nodes.
1458 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1460 * loop.c (strength_reduce): Fix biv removal code.
1462 2000-04-22 Richard Henderson <rth@cygnus.com>
1464 * predict.c (estimate_probability): Examine both sides of
1465 a branch for no exits. Use 90% not 50% for predict taken.
1466 Reorg for one copy of note generation code.
1468 2000-04-22 Richard Henderson <rth@cygnus.com>
1470 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1472 2000-04-22 Richard Henderson <rth@cygnus.com>
1474 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1475 (output_clear): Likewise.
1476 (output_printf): Use va_copy.
1477 (vline_wrapper_message_with_location): Likewise.
1478 (v_message_with_decl): Likewise.
1479 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1480 * system.h (va_copy): Provide default implementation.
1482 2000-04-22 Richard Henderson <rth@cygnus.com>
1484 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1485 the collected condition is not a constant.
1487 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1489 * diagnostic.h: New file.
1491 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1493 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1494 various function prototypes.
1495 (diagnostic.h): #include.
1496 (struct output_buffer): Move into diagnostic.h.
1497 (get_output_prefix): Rename to output_get_prefix. Export.
1498 (init_output_buffer): Export. Break out. Ajust intialization.
1499 (output_space_left, output_append): Export.
1500 (output_newline): Rename to output_add_newline. Export.
1501 (output_clear): Nullify additional output_buffer fields.
1502 (output_puts): Rename to output_add_string. Export.
1503 (dump_output): Rename to output_flush_on. Export.
1504 (build_location_prefix): Constify return-type.
1505 (emit_output_prefix): Rename to output_emit_prefix. Export.
1506 (set_real_maximum_length): New function.
1507 (output_set_maximum_length): Ditto
1508 (output_clear): Ditto.
1509 (output_add_character): Ditto.
1510 (output_add_integer): Ditto.
1511 (output_add_space): Ditto.
1512 (output_format): Ditto.
1513 (output_printf): Adjust buffer initialization.
1514 (vline_wrapper_message_with_location): Ditto.
1515 (v_message_with_decl): Ditto. Adjust call to output_puts
1516 and get_output_prefix.
1517 (default_print_error_function): Adjust buffer intialization.
1519 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1521 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1524 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1526 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1529 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1531 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1532 accurate data about SP moves.
1534 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1536 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1537 aliases to AM33 registers.
1539 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1541 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1542 to all EXTENDED bitmaps.
1544 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1546 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1547 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1548 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1550 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1552 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1553 the operand is not constant.
1555 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1557 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1558 as a call-clobbered regs.
1560 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1562 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1564 * rtl.def: Update comment.
1565 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1566 * integrate.c (expand_inline_function): Likewise.
1567 * profile.c (branch_prob): Likewise.
1568 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1569 * print-rtl.c (print_rtx): Likewise.
1570 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1571 (reemit_notes): Likewise; also use enum insn_note.
1573 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1574 (place_field): Properly compute know and actual alignment.
1576 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1579 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1582 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1584 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1585 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1586 (collect_expansion): Rewrite to scan over a token list.
1587 Remove -traditional support.
1588 (collect_formal_parameters): Rename to collect_params; rewrite
1589 to scan over a token list.
1590 (_cpp_create_definition): Adjust to scan a token list.
1591 (_cpp_macroexpand): Remove -traditional support.
1592 (_cpp_compare_defs): Whitespace is now canonicalized.
1593 (comp_def_part): Delete function.
1595 * cpphash.h: Update prototypes.
1596 * cpplex.c (init_token_list): Don't set lineno if there is no
1598 (pedantic_whitespace): New function.
1599 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1600 consume a newline. Use pedantic_whitespace.
1601 (_cpp_lex_token): Remove support for -traditional macros.
1602 (_cpp_get_define_token): Delete.
1603 (_cpp_get_directive_token): Do the real work here. Use
1604 pedantic_whitespace.
1605 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1607 * cpplib.c (get_macro_name): Delete.
1608 (do_define): Read the entire line into pfile->directbuf, then
1609 feed the token list to _cpp_create_definition.
1610 * cpplib.h (HSPACE_BEFORE): new define.
1611 (struct cpp_reader): Add a toklist member, "directbuf".
1613 * predict.c (estimate_probability): New heuristic: if a jump
1614 branches around a block with no successors, predict it taken.
1615 Disentangle control flow.
1617 2000-04-20 Richard Henderson <rth@cygnus.com>
1619 * loop.c (emit_iv_add_mult): Revert last change.
1621 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1623 * cpplib.h (enum cpp_ttype): Add token types for all
1624 punctuators. Distinguish pp-numbers from valid C numbers.
1625 Give some tokens better names. Initialize from macro.
1626 (struct cpp_name, cpp_token, cpp_toklist): New data
1629 * cpplex.c (bump_column, expand_name_space,
1630 expand_token_space, init_token_list, cpp_output_list,
1631 _cpp_scan_line): New functions.
1632 (output_line_command): Add third argument, new line number.
1633 * cpphash.h: Update prototypes.
1634 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1637 2000-04-20 Richard Henderson <rth@cygnus.com>
1639 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1641 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1643 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1646 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1648 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1649 REG_EQUAL note explaining the calculated value.
1651 * calls.c (expand_call): Avoid unnecesary precalculation
1652 and outgoing parameters space guarding for sibling calls.
1653 (store_one_arg): Likewise.
1655 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1657 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1658 (rest_of_compilation): Write sibling dump file and account
1659 for time as jump time.
1660 * invoke.texi: Update documentation on dump flags.
1662 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1664 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1666 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1668 * cpphash.c (special_symbol): Represent an empty macro with
1669 "\r \r " not just "\r ".
1670 (_cpp_macroexpand): Correct condition for the foo ( ) special
1672 (unsafe_chars): Handle EOF as second argument.
1673 (push_macro_expansion): Simplify test for removing escape at
1674 end. Do not trim both escapes if there is no text in between.
1676 2000-04-19 Jim Blandy <jimb@redhat.com>
1678 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1679 of PTR_SIZE, when appropriate.
1681 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1683 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1684 (USE_ENUM_BITFIELDS): Fix typo.
1686 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1688 * stor-layout.c (place_field): Set rli->offset_align properly.
1690 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1692 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1693 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1694 PARM_BOUNDARY): Remove unnecessary casts.
1696 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1698 * calls.c (precompute_arguments): Remove must_preallocate and
1700 (expand_call): Update call of precompute_arguments.
1702 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1703 check_insn_for_givs): Break out from ...
1704 (strength_reduce) ... here; use for_every_insn_in_loop to call
1705 check_insn_for_givs.
1706 * loop.h (for_every_insn_in_loop): Declare.
1707 (loop_insn_callback): New type.
1709 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1711 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1714 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1716 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1719 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1721 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1723 * configure.in: Delete --disable-cpplib option and all
1724 references to cpp_main.
1725 * configure: Regenerate.
1726 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1727 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1728 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1729 cpp$(exeext). Add --no-headers to makeinfo command line when
1730 generating INSTALL. Install and uninstall cpp.1 manpage, not
1732 * install.texi: Delete all references to cexp.y/cexp.c.
1733 Delete ancient instructions for compiling GCC on 3b1.
1734 * INSTALL: Regenerate.
1736 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1737 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1738 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1740 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1741 which is no longer tested anywhere.
1743 * cppinit.c (handle_option): Don't run error message through
1746 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1748 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1749 * cpperror.c (hashtab.h): Now include.
1750 * cppexp.c (hashtab.h): Likewise.
1751 * cpplex.c (hashtab.h): Likewise.
1752 * cppfiles.c (hashtab.h): Likewise.
1753 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1754 to htab_find_slot_with_hash.
1755 * cpphash.c (hashtab.h): Now include.
1756 (_cpp_lookup_slot): INSERT is now enum insert_option.
1757 * cpphash.h (_cpp_lookup_slot): Likewise.
1758 * cppinit.c (hashtab.h): Include earlier.
1759 (initialize_builtins): Pass enum to htab_find_slot.
1760 * cpplib.c (hashtab.h): Now include.
1761 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1762 (do_pragma_poison, do_assert): Likewise.
1763 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1764 htab_find_slot_with_hash.
1765 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1766 * tree.c (type_hash_add): Likewise.
1767 (build1): Minor cleanup.
1769 * ggc-common.c: Add missing blanks.
1770 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1771 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1773 * stmt.c (mark_case_node): New function.
1774 (mark_case_nesting): Call it.
1776 * expmed.c (emit_store_flag): If comparing two-word integer
1777 with zero, can optimize NE, EQ, GE, and LT.
1779 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1780 * conflict.c: Minor cleanups.
1781 * optabs.c: Add blank line
1782 * simplify-rtx.c: Minor cleanups.
1784 2000-04-18 Stan Cox <scox@cygnus.com>
1786 * gengenrtl.c (genlegend): Fix misspelling.
1788 2000-04-18 Robert Lipe <robertlipe@usa.net>
1790 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1791 bitfields of the host compiler are not signed quantities.
1792 * config.in: Regenerate.
1793 * configure: Regenerate.
1794 * system.h (USE_ENUM_BITFIELDS): Added.
1795 (ENUM_BITFIELDS): Added.
1796 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1797 (SHORT_ENUM_BUG): Deleted.
1798 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1800 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1801 (CODE_FIELD_BUG): Likewise.
1802 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1804 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1806 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1808 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1811 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1813 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1814 * cpplib.c (do_include, do_import, do_include_next,
1815 read_line_number, detect_if_not_defined): Likewise.
1816 * cpphash.c (collect_expansion): Likewise.
1817 (special_symbol, _cpp_macroexpand): Check return from
1819 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1820 macros. Delete all uses.
1822 * gcc.dg/cpp-mi.c: Add two more test cases.
1823 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1825 2000-04-17 Richard Henderson <rth@cygnus.com>
1827 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1828 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1830 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1832 * function.c (expand_function_start): Use hard_function_value to
1833 compute the RTL to use for DECL_RESULT.
1835 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1837 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1838 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1839 x86_memory_mismatch_stall): New global variables.
1840 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1841 alloved; fix load penalties for Athlon.
1842 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1843 x86_memory_mismatch_stall): Declare.
1844 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1845 TARGET_MEMORY_MISMATCH_STALL): New.
1846 * i386.md (athlon scheduling parameters): Fix latencies according to
1847 Athlon Optimization Manual.
1848 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1850 (fsqrt instruction patterns): Set athlon_decode to direct.
1851 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1852 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1853 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1854 and TARGET_PARTIAL_REGISTER_STALL machines.
1855 (pushdf_nointeger): New pattern.
1856 (pushdf_integer): Rename from pushdf.
1857 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1858 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1860 2000-04-17 Richard Henderson <rth@cygnus.com>
1862 * loop.c (canonicalize_condition): Add WANT_REG argument.
1863 Stop the search if we match it.
1864 * expr.h (canonicalize_condition): Update decl.
1865 * predict.c (expected_value_to_br_prob): Use it. Track last
1866 expected value note.
1867 (find_expected_value): Remove.
1869 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1871 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1873 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1874 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1876 * configure.in: Call AC_FUNC_MMAP_FILE.
1877 * configure: Regenerate.
1878 * config.in: Regenerate.
1880 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1881 * fixinc/fixincl.c: Likewise.
1883 2000-04-17 Richard Henderson <rth@cygnus.com>
1885 * builtins.c (expand_builtin_expect): New.
1886 (expand_builtin): Call it.
1887 * builtins.def (BUILT_IN_EXPECT): New.
1888 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1889 * extend.texi: Document it.
1891 * predict.c (expected_value_to_br_prob): New.
1892 (find_expected_value): New.
1893 * basic-block.h (expected_value_to_br_prob): Declare.
1894 * toplev.c (rest_of_compilation): Invoke it.
1896 * rtl.h (NOTE_EXPECTED_VALUE): New.
1897 (NOTE_INSN_EXPECTED_VALUE): New.
1898 * rtl.c (note_insn_name): Update.
1899 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1900 cases; handle NOTE_INSN_EXPECTED_VALUE.
1902 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1904 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1905 leaf sibcall delay slot if flag_pic.
1906 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1908 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1910 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1912 * fixproto: If fix-header fails, exit with an error.
1914 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1916 * cse.c (struct check_depdendence_data): New.
1917 (check_dependence): New function.
1918 (invalidate): Use check_depdenence.
1920 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1922 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1923 UNITS_PER_WORD is unsigned.
1925 * tree.h (struct tree_common): Remove misleading comment.
1927 2000-04-16 Dave Pitts <dpitts@cozx.com>
1929 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1930 message in quotes. Otherwise, IBM's make program treats the '#' as the
1931 start of a comment and ignores the remainder of the line.
1933 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1935 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1936 * cexp.y (initialize_random_junk): Likewise.
1937 * cppfiles.c (find_include_file): Cast alloca return value.
1938 * cppinit.c (initialize_standard_includes): Likewise.
1939 * cpplib.c (cpp_define, cpp_undef): Likewise.
1940 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1941 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1942 * fold-const.c (CHARMASK): New.
1943 (real_hex_to_f): Use it.
1944 * real.c (CHARMASK): New.
1945 (etoasc, asctoeg): Use it.
1946 (asctoeg): EBCDIC lower case characters preceed upper case.
1948 * i370.c (mvs_add_label): Change spacing for coding conventions.
1949 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1950 outputing case vectors.
1951 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1952 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1953 since vector in in the data CSECT.
1954 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1955 * i370.md (Many patterns): Put the length in the XL directives.
1956 (movdi): Put back STM and MVC in definition.
1957 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1958 pattern using the TCA.
1959 * oe.h (CPP_SPEC): Added to allow trigraphs.
1960 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1961 not support the "long long" type.
1963 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1965 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1967 (mips_reg_mode_ok_for_base_p): Likewise.
1968 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1969 (REG_OK_FOR_INDEX_P): Define unconditionally.
1970 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1971 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1972 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1973 that GET_MODE_SIZE is unsigned.
1974 (mips_reg_mode_ok_for_base_p): Define.
1975 (mips_legitimate_address_p): Likewise. Adjust now
1976 that GET_MODE_SIZE is unsigned.
1977 (block_move_loop): Make the number of bytes unsigned.
1978 (expand_block_move): Likewise.
1979 (function_arg): Make the loop counter unsigned to match the
1982 2000-04-16 Richard Henderson <rth@cygnus.com>
1984 * rtl.h (enum insn_note): New enumeration. Subsume
1985 NOTE_INSN_DELETED and friends.
1986 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1987 * rtl.c (note_insn_name): Tweak string order.
1989 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1991 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1994 * cpplex.c (output_line_command): Remove debugging prints.
1995 (cpp_output_tokens): Don't write out a zero-length buffer or
1996 try to see if it has a newline in it.
1997 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1998 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1999 the end of the loop. Use memmove. Don't read past the end of
2000 the buffer. Remove trailing newlines from error messages.
2002 2004-04-16 Neil Booth <NeilB@earthling.net>
2004 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
2005 * cpplib.c: Add new syntax flags to directive table, and
2008 2000-04-15 Ulrich Drepper <drepper@redhat.com>
2010 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
2013 2000-04-15 David Edelsohn <edelsohn@gnu.org>
2015 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
2016 * haifa-sched.c: Update -fsched-verbose comments to use "=".
2018 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2020 * Makefile.in (ggc-page.o): Now includes toplev.h.
2021 * ggc-page.c (toplev.h): Now included.
2022 (gc_time): Remove declaration.
2023 (ggc_collect): TIME now long.
2024 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
2026 * toplev.h (gc_time, parse_time, gc_time): New declarations.
2028 * toplev.c: Make *_time variable long to reduce chance of overflow.
2029 (TIMEVAR): Likewise for `otime'.
2030 (print_time): Arg is now long; compute percentage in FP and round.
2031 * toplev.h (print_time): Arg is long.
2033 * tree.c: Minor whitespace changes.
2035 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
2036 * configure: Rebuilt.
2037 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
2038 (__fixunsxfDI): Renamed from __fixunsxfdi.
2039 (__fixunsdfDI): Renamed from __fixunsdfdi.
2040 (__fixunssfDI): Renamed from __fixunssfdi.
2041 (__floatdisf): Use proper type in REP_BIT macro.
2042 (__fixunsxfSI): Renamed from __fixunsxfsi.
2043 (__fixunsdfSI): Renamed from __fixunsdfsi.
2044 (__fixunssfSI): Renamed from __fixunssfsi.
2045 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
2046 Change location of macros and upper-case some names as above.
2047 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
2048 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
2050 * varasm.c (assemble_variable): Add cast to remove warning.
2051 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
2053 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
2054 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
2055 region number to -1.
2057 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
2059 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
2060 call unshare_all_rtl.
2062 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
2064 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
2066 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
2067 Use .s1 not .s0 for all FP instructions.
2069 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
2071 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
2073 (safe_fwrite, output_line_command): New static functions.
2074 (cpp_expand_to_buffer): Now private to cpplib.
2075 (cpp_scan_buffer): Take a printer.
2077 * cpphash.h: Update prototypes.
2078 * cpplib.h: Update prototypes.
2080 (cpp_buffer): Remove last_nominal_fname.
2081 (cpp_reader): Remove lineno.
2083 * cppmain.c: Use a cpp_printer.
2084 * fix-header.c: No need to inhibit line commands. Call
2085 cpp_start_read with no printer.
2087 * cpperror.c (cpp_notice_from_errno): Provide default name.
2088 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
2089 (find_include_file, cpp_read_file): Use make_IHASH.
2090 (file_cleanup): Set control_macro and clear
2091 input_stack_listing_current here.
2092 (_cpp_execute_include): Don't output entering-file marker.
2093 * cpphash.c (special_symbol): Look for the line number in the
2094 buffer, not the reader.
2095 (_cpp_macroexpand): No need to disable line commands.
2096 (_cpp_dump_definition): No need to generate line commands.
2097 (dump_hash_helper): Remove excess newline from output.
2098 * cppinit.c (dump_special_to_buffer): No need to generate line
2100 (cpp_printer_init): New.
2101 (cpp_start_read): Take a printer, and start it up if it's not
2102 NULL. No need to generate line commands.
2103 (cpp_finish): Expect no buffers stacked at all. Take a
2104 printer argument, and flush the output buffer if it's not
2106 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
2107 Don't put two hashes at the beginning of an assertion.
2108 (cpp_get_token): Don't increment pfile->lineno or emit line
2109 commands here. Return EOF if there's no buffer when we get
2111 * cpplib.c (do_define, skip_if_group):
2112 No need to disable line commands.
2113 (_cpp_output_line_command): Delete function.
2114 (do_line): Don't emit line commands here, but set things up so
2115 they will be emitted if necessary. Use _cpp_fake_ihash to
2116 make unique nominal_fnames if necessary.
2117 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
2118 with 0 for column, not -1.
2119 (_cpp_handle_eof): Don't set the control macro here. Don't
2120 clear input_stack_listing_current here. Don't emit line
2123 2000-04-14 Geoff Keating <geoffk@cygnus.com>
2125 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
2126 always, use the default SVR4 start address.
2128 * config/rs6000/linux.h (LINK_SPEC): Don't define.
2129 (LINK_SHLIB_SPEC): Define.
2130 (LINK_START_DEFAULT_SPEC): Define.
2131 (LINK_OS_DEFAULT_SPEC): Define.
2133 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
2135 * config/rs6000/eabi.asm (__eabi): Call __init rather than
2136 __do_global_ctors to handle constructors.
2137 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
2138 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
2139 (STARTFILE_MVME_SPEC): Likewise.
2140 (STARTFILE_SIM_SPEC): Likewise.
2141 (ENDFILE_ADS_SPEC): Use crtend.
2142 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
2143 (ENDFILE_MVME_SPEC): Likewise.
2144 (ENDFILE_SIM_SPEC): Likewise.
2145 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
2146 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
2147 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
2148 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
2149 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
2150 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
2151 (CRTSTUFF_T_CFLAGS_S): Define.
2152 * config/rs6000/eabi-ctors.c: Delete.
2154 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
2157 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
2161 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
2163 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
2164 plus mask size is smaller or equal to the mode size.
2166 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2168 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
2171 * expr.c (reload.h): Now included.
2172 (emit_block_move): Set volatile_ok when checking for movstr.
2173 (emit_move_1): Check for replacements in addresses in multi-word case.
2174 * Makefile.in (expr.o): Now includes reload.h.
2176 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
2177 Never have a LIBCALL end a basic block.
2178 (find_basic_blocks_1): Likewise.
2179 Reorganize CALL_INSN cases.
2181 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
2183 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
2185 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
2186 completers from mov.ret instruction.
2188 2000-04-14 Richard Henderson <rth@cygnus.com>
2190 * fold-const.c (extract_muldiv): Don't distribute and widen
2191 multiply across plus for non-sizetype unsigned types.
2193 2000-04-14 Richard Henderson <rth@cygnus.com>
2195 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
2196 If the original source is dead in the incr insn, it's dead now.
2198 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2200 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
2201 see if DECL_BIT_FIELD needs to still be set.
2203 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
2205 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
2206 print_int_cst_octal with something that's not an INTEGER_CST.
2208 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
2209 and not a SUBREG to a FLOAT rtl.
2211 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
2213 * emit-rtl.c (try_split): Avoid infinite loop if the split
2214 results in a sequence that contains the original insn.
2216 2000-04-13 Andreas Jaeger <aj@suse.de>
2218 * config/mips/mips.c (expand_block_move): Pass alignment
2219 argument to move_by_pieces in bits, not bytes.
2221 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
2222 __pic__ for little endian.
2224 2000-04-13 Andreas Jaeger <aj@suse.de>
2226 * config/i386/i386-protos.h: Add prototype for
2227 uno_comparison_operator.
2229 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
2231 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
2232 * calls.c (ECF_PURE): New flag.
2233 (emit_call_1): Handle ECF_PURE calls.
2234 (initialize_argument_information): Unset ECF_PURE flag too.
2235 (precompute_arguments): Precompute for ECF_PURE too.
2236 (expand_call): Handle ECF_PURE calls too.
2237 (emit_library_call_value_1): Rename no_queue argument to fn_type,
2238 accept value of 2 as pure function.
2239 (emit_library_call_value, emit_library_call): Rename no_queue argument
2241 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
2243 * tree.h (DECL_IS_PURE): New macro.
2244 (struct tree_decl): Add pure_flag.
2245 * c-common.c (enum attrs): Add attribute "pure".
2246 (init_attributes): Initialize attribute "pure"
2247 (decl_attributes): Handle attribute "pure".
2248 * extend.texi (Attribute "pure"): Document.
2249 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
2251 (flags_from_decl_or_type): Support attribute "pure".
2253 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
2255 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
2256 the token except for numbers and identifiers.
2258 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
2260 * i386.c (ix86_expand_binary_operator,
2261 ix86_expand_unary_operator): Check no_new_pseudos
2262 instead of reload_in_progress and reload_completed.
2263 (ix86_split_ashldi, ix86_split_ashrdi,
2264 ix86_split_lshrdi): Check no_new_pseudos instead
2265 of reload_completed.
2267 2000-04-12 Jeffrey A Law (law@cygnus.com)
2269 * function.c (purge_addressof): Unshare any shared rtl created by
2270 purge_addressof and its children.
2272 2000-04-12 Mark Mitchell <mark@codesourcery.com>
2274 * function.c (aggregate_value_p): VOID_TYPE nodes are never
2277 2000-04-05 Andreas Jaeger <aj@suse.de>
2279 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
2280 not compiling PIC code, add flags for mabi=64.
2281 (SUBTARGET_CPP_SIZE_SPEC): New.
2282 (SUBTARGET_CPP_SPEC): New.
2283 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
2284 for MIPS/Linux and lots of code needs these defines.
2286 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
2288 * reorg.c (fill_slots_from_thread): Check side_effects_p when
2289 trying the "opposite arithmetic" approach.
2291 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2293 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
2294 (struct sh_args): Add new field force_mem.
2295 (INIT_CUMULATIVE_ARGS): Initialize it.
2296 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
2298 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
2300 * calls.c (expand_call): Do not reverse args in "equal from" field.
2301 (emit_library_call_value_1): Emit_libcall_block for const and pure
2304 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2306 * reload1.c (reload_combine): Don't enable optimization for fixed
2307 registers when encountering a BARRIER.
2309 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2311 * builtins.c (expand_builtin_memcmp): Do expansion even with
2312 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
2314 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
2315 stack is propertly aligned; add sanity checking for aligned
2317 (expand_library_call_value_1): Add sanity checking for aligned
2320 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
2322 * calls.c (emit_library_call_value_1): Change 3rd arg to
2323 locate_and_pad_parm to disregard the setting of partial.
2325 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2327 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
2329 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
2330 CALL_INSN from the normal case.
2332 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
2334 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2335 New global variables.
2336 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
2338 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2340 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
2341 TARGET_ADD_ESP_8): New macros.
2342 * i386.md: Add peep2s to convert esp adjustments to push and pop
2344 (pushsi_prologue, popsi_epilogue): New patterns.
2346 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2348 * real.c (toe64): Remove stale #endif from the last change.
2350 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
2352 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
2353 * real.c (toe64): Revert previous change.
2355 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2357 * objc/objc-act.c: Include ggc.h.
2358 (objc_tree_index, objc_global_trees): Convert most of the
2359 static tree variables into a static array with previous names
2361 (objc_ellipsis_node): New variable.
2362 (lang_init): Call objc_act_parse_init and c_parse_init.
2363 Create objc_ellipsis_node.
2364 (build_selector_translation_table): Use objc_ellipsis_node instead
2366 (hack_method_prototype): Likewise.
2367 (get_arg_type_list): Likewise.
2368 (start_method_def): Likewise.
2369 (continue_method_def): Likewise.
2370 (gen_method_decl): Likewise.
2371 (ggc_mark_imp_list): New function.
2372 (ggc_mark_hash_table): New function.
2373 (objc_act_parse_init): New function.
2374 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
2375 * c-parse.in (c_parse_init): For objc add roots of objc specific
2376 local tree variables.
2377 * objc/objc-parse.y: Rebuilt.
2378 * objc/objc-parse.c: Rebuilt.
2379 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
2381 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
2383 * cse.c (delete_trivially_dead_insns): Also delete insns
2384 that copy a register to itself where the destination is
2387 2000-04-11 Richard Henderson <rth@cygnus.com>
2389 * flow.c (struct propagate_block_info): Add new_dead, new_live.
2390 (propagate_block): Initialize them. Use them in parallel instead
2391 of one tmp variable, ie revert much of the 0408 and 0407 functional
2392 changes, but keep the structural changes.
2393 (mark_set_regs): Take new_dead from propagate_block_info instead.
2394 (mark_set_1, mark_set_reg): Likewise.
2395 (mark_used_regs): Likewise with new_live.
2396 (mark_used_reg): Likewise. Revert 0408 change.
2398 2000-04-11 Nick Clifton <nickc@cygnus.com>
2400 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
2402 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
2404 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2406 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
2407 const section to output a CONSTRUCTOR based on the same conditions
2410 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
2412 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
2413 * pa/pa-protos.h (output_call): Add additional argument indicating
2414 if the call is a sibling/tail call.
2415 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
2416 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
2417 (function_arg, function_arg_partial_nregs): Likewise
2418 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
2419 (emit_move_sequence): Zero extend certain constants as needed
2421 (compute_zdepdi_operands, output_64bit_and): New functions.
2422 (output_64bit_ior, function_arg): Likewise.
2423 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
2424 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
2425 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
2426 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
2427 (output_bvb): Likewise.
2428 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
2429 (output_call): New argument 'sibcall'. Generate sibcall sequences
2431 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
2432 (ouput_arg_descriptor): Do not emit argument descriptors for
2434 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
2436 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
2437 (FUNCTION_OK_FOR_SIBALL): Define.
2438 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
2439 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
2440 (CPP_SPEC): Use new spec infrastructure.
2441 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
2442 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
2443 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
2444 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
2445 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
2446 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
2447 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2448 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
2449 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
2450 (FUNCTION_ARG); Call out to C code.
2451 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
2452 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
2453 (MIN_UNITS_PER_WORD): Likewise.
2454 * pa/pa.md (cmpdi): New expander.
2455 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2456 (64bit conditional arithmetic): New patterns.
2457 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2458 (movsicc): Not available if modes on all the operands to not match.
2459 (movdicc): New expander and associated patterns.
2460 (64bit branches): New patterns.
2461 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2462 (pre_ldd, post_std): New patterns.
2463 (64bit addil, load low part): New patterns.
2464 (special movsf constant): Not available for TARGET_64BIT.
2465 (movsf, movdf expanders): Force constants into memory.
2466 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2467 (64bit movdf/movdi patterns): New patterns.
2468 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2470 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2471 (adddi3 expander): Allow "arith_operand" for second input.
2472 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2473 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2474 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2475 (muldi3): New expander for TARGET_64BIT.
2476 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2478 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2479 patterns for TARGET_64BIT.
2480 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2481 patterns for TARGET_64BIT.
2482 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2483 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2484 (sibcall_epilogue): New expander.
2485 (casesi): Tweak for TARGET_64BIT.
2486 (call expanders): Set & use the outgoing argument pointer. Use the
2487 64bit call patterns as needed. Add additional arg to output_call.
2488 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2489 (sibcall, sibcall_internal_symref): New expanders.
2490 (sibcall_value, sibcall_value_internal_symref
2491 (interspace_jump): Turn into an expander + matching patterns.
2492 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2493 * pa/pa64-regs.h: Eliminate trigraph sequences.
2494 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2496 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2498 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2499 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2500 cpp_token with cpp_ttype everywhere.
2501 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2502 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2503 CPP_BUF_COL. Line and column numbers are unsigned int, not
2505 * cpplex.c (cpp_buf_line_and_col): Delete.
2506 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2507 'long lineno' to 'unsigned int lineno'.
2508 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2510 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2512 * extend.texi: ISO C99 is not a draft anymore.
2513 * invoke.texi: ISO C++ is not a draft anymore.
2514 * cpp.texi: __cplusplus is required by the ISO standard.
2516 * extend.texi (-fthis-is-variable): Undocument.
2517 * flags.h (warn_template_debugging): Remove declaration.
2518 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2519 -Wenum-clash, -Wtemplate-debugging): Undocument.
2521 2000-04-10 Nick Clifton <nickc@cygnus.com>
2523 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2525 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2527 (ARM_SIGN_EXTEND): Use HOST_UINT.
2528 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2529 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2530 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2531 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2533 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2534 (arm_gen_constant): Use HOST_UINT.
2535 (arm_canonicalize_constant): Use HOST_UINT.
2536 (arm_reload_in_hi): Use HOST_UINT.
2537 (arm_reload_out_hi): Use HOST_UINT.
2538 (output_multi_immediate): Use HOST_UINT.
2539 (int_log2): Use HOST_UINT.
2540 (arm_poke_function_name): Use HOST_UINT.
2541 (arm_output_epilogue): Use arm_volatile_func().
2542 (output_thumb_prologue): Use arm_strip_name_encoding().
2544 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2546 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2547 of sequence point problems.
2549 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2551 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2553 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2555 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2557 * sbitmap.h: Whitespace changes and use upper-case macro args.
2558 (struct simple_bitmap_def): All sizes now unsigned.
2559 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2560 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2561 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2562 (sbitmap_zero): Cast bzero arg to PTR.
2563 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2564 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2565 loop to make structure clearer.
2566 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2567 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2568 (sbitmap_a_and_b_or_c): Likewise.
2569 (sbitmap_intersection_of_succs): Minor cleanups.
2570 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2571 (sbitmap_union_of_preds): Likewise.
2572 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2573 (debug_sbitmap): New function.
2575 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2576 * c-typeck.c (convert_for_assignment): Likewise.
2578 * expmed.c (init_expmed): Don't free objects we make.
2579 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2581 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2582 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2584 * gcse.c (expr_hash_table_size): Now unsigned.
2585 (compute_ae_gen): Local variable `i' now unsigned.
2586 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2587 (compute_transout, hoist_code): Likewise.
2588 (compute_local_properties): Likewise, also hash_table_size.
2589 (alloc_expr_hash_table): N_INSNS now unsigned.
2590 (delete_null_pointer_checks): Mark arg F as unused.
2592 * regrename.c: Minor cleanups, including chang some variables
2595 2000-04-10 Neil Booth <NeilB@earthling.net>
2597 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2599 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2601 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2603 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2604 __classof__, and __headof__ from the list of gnu keywords.
2605 (-ansi): Remove -foperator-names from list of implied options.
2606 Do not call it ANSI C++.
2607 (-foperator-names): Document as -fno-operator-names.
2609 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2611 * cpphash.c (timestamp): Delete.
2612 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2613 (special_symbol): Remove unnecessary braces. Remove
2614 T_VERSION. Treat T_STDC like T_CONST unless
2615 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2616 when one is encountered, then convert them into T_MCONST
2618 * cppinit.c (builtin_array): version_string is T_MCONST.
2619 __STDC__ has a "1" in its cpval. Don't have a terminator
2620 entry. Clean up which entries are dumped.
2621 (initialize_builtins): Only __STDC__ gets the special
2622 -traditional treatment. Count the length of builtin_array.
2623 Render version_string here.
2624 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2625 * cpplib.h (struct cpp_reader): Remove timebuf.
2627 2000-04-09 Richard Henderson <rth@cygnus.com>
2629 * genrecog.c (pred): Update comparison_operator for the unordered
2632 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2634 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2635 (uno_comparison_operator): New.
2636 (put_condition_code): Handle UNORDERED/ORDERED.
2637 (unsigned_comparison): Likewise.
2638 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2639 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2640 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2641 update all callers. Handle all 8 unordered operators.
2642 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2643 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2644 * config/i386/i386.h (PREDICATE_CODES): Update.
2645 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2646 (ix86_expand_branch, ix86_expand_setcc): Update.
2647 * config/i386/i386.md (sunordered, sordered): New.
2648 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2649 (bunordered, bordered): New.
2650 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2651 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2652 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2654 2000-04-09 Philip Blundell <philb@gnu.org>
2656 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2658 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2660 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2661 fix_truncxfhi2): New patterns.
2662 * i386.c (output_fix_trunc): Handle converting to HImode.
2664 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2666 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2668 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2669 (for_each_successor_phi): Change parameter to basic_block.
2670 (coalesce_regs_in_successor_phi_nodes): Likewise.
2671 (coalesce_regs_in_copies): Likewise.
2672 (compute_coalesced_reg_partition): Use basic_block instead of index.
2673 * rtl.h (convert_to_ssa): Delete.
2674 (convert_from_ssa): Likewise.
2675 (successor_phi_fn): Likewise.
2676 (for_each_successor_phi): Likewise.
2677 (in_ssa_form): Likewise.
2678 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2679 (convert_from_ssa): Likewise.
2680 (successor_phi_fn): Likewise.
2681 (in_ssa_form): Likewise.
2682 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2683 * flow.c (calculate_global_regs_live): Pass a basic_block to
2684 for_each_successor_phi.
2686 2000-04-08 Richard Henderson <rth@cygnus.com>
2688 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2689 was modified in the current insn.
2691 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2693 * arm/thumb.md: Delete.
2694 * arm/thumb-protos.h: Delete.
2696 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2698 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2700 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2702 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2705 * arm.md (nop): Use the standard RTL expression. Don't code as a
2707 (*arm_nop, *thumb_nop): Delete.
2709 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2710 constants. Use casts instead.
2711 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2712 output_multi_immediate, arm_poke_function_name): Likewise.
2713 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2714 MASK_RETURN_ADDDR): Likewise.
2716 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2718 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2721 * arm.md (eh_epilogue): New function.
2722 * arm.h (struct machine_function): Move to here ...
2723 * arm.c: ... from here.
2724 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2725 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2726 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2728 2000-03-30 Nick Clifton <nickc@cygnus.com>
2730 * config/arm/semi.h (ASM_SPEC): Restore definition.
2731 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2733 * config/arm/elf.h (ASM_SPEC): Restore definition.
2734 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2736 * config/arm/arm.h (ASM_SPEC): Remove definition.
2737 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2739 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2741 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2743 2000-03-24 Nick Clifton <nickc@cygnus.com>
2745 Various formating tidyups, elimination of compile time
2746 warnings and synchronisation with internal sources:
2748 * config/arm/arm-protos.h (assemble_align): Add prototype.
2749 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2750 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2751 (arm_return_addr_rtx): Rename to arm_return_addr.
2753 * config/arm/arm.c: Include except.h.
2754 Define shorter typenames for strict minipool_node and struct
2756 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2758 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2759 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2761 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2763 (ASM_SPEC): Define if not already defined.
2764 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2766 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2767 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2768 arm_gen_compare_reg.
2769 (indirect_jump): Only accept register operands.
2770 (load_indirect_jump): Keep this pattern since combine can generate
2773 * config/arm/coff.h: Include aout.h.
2774 (MULTILIB_DEFAULTS): Only define if not already defined.
2776 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2777 into arm.h (so that COFF ports can support thumb based aliases).
2778 (ASM_SPEC): Move definition into arm.h
2780 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2781 redundant apcs spec.
2782 (ASM_SPEC): Move definition to arm.h
2784 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2786 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2787 for entries in the .bss section
2789 2000-03-23 Nick Clifton <nickc@cygnus.com>
2791 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2792 to thumb_far_jump_used_p.
2794 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2795 single integer parameter.
2797 * config/arm/arm.c (struct machine_function): Add two new
2798 fields, 'far_jump_used' and 'arg_pointer_live'.
2799 (thumb_far_jump_used_p): Once the decision has been made that
2800 far jumps might be used, always return true.
2801 If being called from the initial elimination offset macro then
2802 do not bother to perform the test if the arg pointer is not
2804 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2805 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2807 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2809 * arm.c (output_return_instruction): Handle more cases where we can
2810 return from a function with an ldr instruction.
2811 (arm_output_epilogue): Likewise.
2813 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2814 if we need to push a large stack frame and there are no callee-saved
2817 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2818 in ARM code if the frame pointer has been eliminated.
2820 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2821 unspec_volatile arguments to avoid duplicates.
2822 (consttable_1, consttable_2): Fixes for big-endian mode.
2824 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2827 Re-write constant pool code.
2828 * arm.c (minipool_node, minipool_fix): New types.
2829 (minifix): Delete type.
2830 (arm_add_minipool_constant): Delete.
2831 (arm_compute_minipool_offsets, arm_find_barrier,
2832 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2833 (get_jump_table_size): Now returns HOST_WIDE_INT.
2834 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2836 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2837 (assign_minipool_offsets, arm_print_value): Likewise.
2838 (dump_minipool): Rewrite.
2839 (arm_barrier_cost): New function.
2840 (create_fix_barrier): New function.
2841 (push_minipool_barrier): New function.
2842 (push_minipool_fix): Record additional information about the fixup
2844 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2845 check the mode of what needs fixing.
2846 (arm_reorg): Rewrite.
2848 2000-03-08 Nick Clifton <nickc@cygnus.com>
2850 * config/arm/arm.md (indirect_jump): Force constant addresses into
2853 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2855 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2857 2000-02-24 Nick Clifton <nickc@cygnus.com>
2859 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2860 adjust is word aligned.
2861 (thumb_expand_epilogue): Make sure that stack adjust is word
2864 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2866 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2868 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2869 pointer relative addresses.
2871 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2873 * arm.c (find_barrier): Find the last barrier within the allowed
2876 2000-02-09 Nick Clifton <nickc@cygnus.com>
2878 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2880 2000-02-09 Nick Clifton <nickc@cygnus.com>
2882 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2883 ARM_FUNCTION_PROFILER.
2885 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2886 ARM_FUNCTION_PROFILER.
2888 * config/arm/linux-oldld.h: Imported from mainline sources.
2890 2000-02-07 Nick Clifton <nickc@cygnus.com>
2892 * config/arm/lib1funcs.asm: Merge in thumb functions from
2895 * config/arm/lib1thumb.asm: Delete.
2897 2000-02-04 Nick Clifton <nickc@cygnus.com>
2899 * config/arm/arm.c: Sychronised with current Red hat local
2901 * config/arm/arm.h: Ditto.
2902 * config/arm/arm-protos.h: Ditto.
2904 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2906 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2908 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2911 2000-02-02 Nick Clifton <nickc@cygnus.com>
2913 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2915 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2916 (return) was emited using an emit_insn() call.
2918 2000-01-31 Nick Clifton <nickc@cygnus.com>
2920 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2922 (thumb_exit): Move frame pointer back into hard frame pointer
2923 register if backtracing is being used.
2925 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2927 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2930 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2932 * config/arm/arm.md (neg_pool_offset): Provide default for new
2934 (arm_movsi_insn): Add neg_pool_offset attribute.
2935 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2936 rtx for the insn that starts the scan and an unsigned long for its
2937 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2938 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2939 instructions in *PINSERTED.
2940 (struct minipool_fixup): Add MIN_ADDRESS elt.
2941 (sort_fixups): Compute it.
2942 (arm_reorg): Changes to support inserting pools before the insn to be
2945 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2947 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2948 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2949 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2951 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2953 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2955 (TARGET_DEFAULT): Do not define if already defined.
2957 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2959 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2960 (iordi3): Allow disjoint source operands.
2961 (xordi3): Allow disjoint source operands.
2962 (negdi2): Permit construction for ARM and Thumb.
2963 (arm_negdi2): Renamed version of old negdi2 pattern.
2964 (thumb_negdi2): New pattern: Only permit non-overlapping
2965 source and destination.
2967 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2969 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2970 scratch low register so that it will not be deleted.
2972 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2974 * config/arm/pe.h (ARM_PE): Define.
2976 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2977 interfacearm attribute if this is a PE toolchain.
2978 (output_return_instruction): Do not emit anything if the function
2979 has the naked attribute set.
2980 (is_called_in_ARM_mode): If the function has the interfacearm
2981 attribute then return true.
2982 (thumb_expand_prologue): Do not generate a prologue for naked
2984 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2986 (output_thumb_prologue): Do not bother if the function is naked.
2987 Strip PE encoding from function name before emitting.
2989 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2991 * arm.md (pic_load_addr): Fix constraints.
2993 * arm.md (casesi_insn): Fix mis-applied patch.
2995 * arm.md ("core" function unit): Add rules for single- and
2997 (All TARGET_THUMB patterns): Add "type" attribute information
2999 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
3000 the following insn is a CALL.
3002 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
3004 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
3005 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
3006 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
3008 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
3010 * config/arm/linux-gas.h: oops - this file was missed out when the
3011 branch was created...
3013 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
3015 * thumb.c: Deleted. Move contents to ...
3017 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
3019 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
3022 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
3023 declare a prototype for asm_output_align();
3025 * arm.c (thumb_condition_code): Delete.
3026 (arm_print_operand): Always use arm_condition_code array.
3028 * arm.c (thumb_return_addr_rtx): Delete.
3029 (arm_save_machine_status, arm_restore_machine_status): Delete.
3030 (arm_init_machine_status, arm_mark_machine_status): New functions.
3031 (arm_init_expanders): Update accordingly.
3032 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
3033 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
3034 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
3036 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
3038 * configure.in : Fix arm-*-aout target to use new t-arm-aout
3040 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
3043 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
3045 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
3046 stack backtrace structure.
3048 * config/arm/arm-protos.h: Add prototypes for functions defined in
3051 * config/arm/arm.c (arm_override_options): Fix selection of
3052 attributes of default processor.
3054 * config/arm/coff.h: Delete needless #include.
3056 * config/arm/pe.c: Delete unused code.
3058 * config/arm/pe.h (CPP_DEFINES): Delete
3059 (SUBTARGET_CPP_SPEC): Define.
3060 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
3062 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
3064 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
3066 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
3068 (CAN_DEBUG_WITHOUT_FP): Define.
3069 (FIXED_REGISTERS): Make r11 call-saved.
3070 (CALL_USED_REGISTERS): Likewise.
3071 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
3072 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
3073 frame-pointer is required.
3074 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
3075 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
3076 if the target normally needs a stack frame in non-leaf functions.
3077 (use_return_insn): Correct logic for determining when a return
3078 instruction can be used.
3079 (output_return_instruction): Handle the frame-pointer register as
3080 a normal register when not TARGET_APCS_FRAME.
3081 (arm_output_prologue): Likewise.
3082 (arm_output_epilogue): Likewise.
3083 (output_func_epilogue): Likewise.
3084 (arm_expand_prologue): Likewise.
3085 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
3087 * arm.c (use_return_insn): No need to check floating point regs if
3089 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
3090 the code of value stored in the minipool array.
3091 (arm_add_minipool_constant): Likewise.
3093 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3095 * basic-block.h (conflict_graph_enum_fn): K&R fix.
3097 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3099 * tree.c (tree_expr_nonnegative_p): New function.
3101 * tree.h (tree_expr_nonnegative_p): Declare.
3103 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
3104 elide some sign_compare warnings.
3105 (build_conditional_expr): Likewise.
3107 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
3109 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
3111 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
3112 * i386.c (print_operand): Use the proper suffix for a 387 HImode
3113 operand. Abort if a 387 operand has an unsupported size.
3115 2000-04-08 Neil Booth <NeilB@earthling.net>
3117 * cppexp.c (parse_charconst): Null does not end character
3119 * cppinit.c (ISTABLE): Null character handled as whitespace.
3120 * cpplex.c (null_warning): new function.
3121 (skip_string): Emit warning if nulls encountered.
3122 (_cpp_skip_hspace): Emit warning if nulls encountered.
3123 (_cpp_lex_token): Emit warning if nulls encountered. Drop
3127 2000-04-07 Richard Henderson <rth@cygnus.com>
3129 * flow.c (loop_depth): Remove.
3130 (reg_next_use, cc0_live, mem_set_list): Replace with ...
3131 (struct propagate_block_info): New.
3132 (life_analysis): Don't allocate reg_next_use.
3133 (propagate_block_delete_insn): Break out of propagate_block.
3134 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
3135 (propagate_block_delete_libcall): Likewise.
3136 (propagate_block): Create a propagate_block_info struct to pass
3137 to subroutines. Allocate one not two temporary regsets. Don't
3138 clobber memory for const calls. Look for clobbers in
3139 CALL_INSN_FUNCTION_USAGE.
3140 (mark_set_regs): Recognize COND_EXEC.
3141 (mark_set_reg): Break out of mark_set_1.
3142 (mark_used_reg): Break out of mark_used_regs.
3143 (mark_used_regs): Recognize COND_EXEC.
3144 (insn_dead_p): Use propagate_block_info struct.
3145 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
3146 (find_auto_inc, try_pre_increment_1): Likewise.
3147 (print_rtl_with_bb): Dump regs live at end too.
3148 (count_reg_sets_1): Pass in loop_depth.
3149 (count_reg_sets, count_reg_references): Likewise.
3150 (recompute_reg_usage): Provide it.
3152 2000-04-07 Richard Henderson <rth@cygnus.com>
3154 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
3157 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
3159 * cpplib.c (do_elif): Skip the rest of the line if we're
3160 not going to bother evaluating it.
3161 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
3162 to avoid pointless calls to the lexer.
3164 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
3166 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
3168 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
3170 * calls.c (expand_call): emit_queue if we're trying a sibcall.
3172 2000-04-07 Jakub Jelinek <jakub@redhat.com>
3174 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
3176 2000-04-06 Geoff Keating <geoffk@cygnus.com>
3178 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
3179 crtend so they can be multilibbed.
3180 (STAGESTUFF): Remove s-crt and s-crtS.
3182 2000-04-07 Richard Henderson <rth@cygnus.com>
3184 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
3185 if we discover we need a pseudo and no_new_pseudos is true.
3186 * config/alpha/alpha.md (ne:DI insn): New.
3187 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
3189 2000-04-07 Richard Henderson <rth@cygnus.com>
3191 * rtl.def (COND_EXEC): New.
3192 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
3193 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
3195 * genconfig.c (have_cond_arith_flag): Remove.
3196 (have_cond_exec_flag): New.
3197 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
3198 (main): Print HAVE_conditional_execution.
3200 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
3201 (sched_analyze_insn, print_pattern): Likewise.
3202 * reload.c (find_equiv_reg): Likewise.
3203 * rtlanal.c (reg_referenced_p): Likewise.
3204 (note_stores, dead_or_set_regno_p): Likewise.
3205 (reg_overlap_mentioned_p): Rewrite to use a switch.
3207 * ggc.h (struct rtx_def): Forward declare.
3209 * print-rtl.c (debug_rtx_range): New.
3210 * rtl.h (debug_rtx_range): Declare.
3212 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
3214 * gcse.c (gcse_main): Don't rebuild the CFG here.
3215 (delete_null_pointer_checks): Likewise.
3216 * ssa.c (convert_to_ssa): Likewise.
3217 * toplev.c (rest_of_compilation): Do it here instead. Combine
3218 sequential calls to TIMEVAR. Consistently use `insns' instead of
3219 `get_insns()'. Always split insns after reload when optimizing.
3221 * basic-block.h (merge_blocks_nomove): Declare.
3222 (tidy_fallthru_edge): Declare.
3223 * flow.c (merge_blocks_nomove): Document as merging into previous
3224 blocks. Remove cruft from between blocks; remove all edges out of A.
3225 (tidy_fallthru_edge): Export.
3227 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3229 * ssa.c (compute_conservative_reg_partition): Declare with
3231 * toplev.c (clean_dump_file): Remove previously-deleted function
3232 inadvertantly merged back in.
3233 * conflict.c (conflict_graph_add): Use a single call to
3234 htab_find_slot to look up and insert.
3236 2000-04-06 Richard Henderson <rth@cygnus.com>
3238 * genrecog.c (*): Rename _last_insn to last_insn.
3239 (make_insn_sequence): Set the position of the peephole2 C test
3240 to be at the last insn.
3242 2000-04-06 Richard Henderson <rth@cygnus.com>
3244 * flow.c (compute_flow_dominators): Free worklist.
3246 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
3248 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
3250 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3252 * rtl.h (INSN_P): New macro.
3253 (successor_phi_fn): New typedef.
3254 (for_each_successor_phi): New prototype.
3255 (in_ssa_form): New variable.
3256 (PHI_NODE_P): Likewise.
3257 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
3258 phi nodes in successors.
3259 (mark_used_regs): Add PHI case.
3260 (set_phi_alternative_reg): New function.
3261 (life_analysis): Assert that dead code elimination is not selected
3263 * toplev.c (to_ssa_time): New variable.
3264 (from_ssa_time): Likewise.
3265 (compile_file): Zero to_ssa_time and from_ssa_time.
3266 Print time to convert to and from SSA.
3267 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
3268 (print_time): Compute percent fraction as integer.
3269 * ssa.c (PHI_NODE_P): Moved to rtl.h.
3270 (convert_to_ssa): Check if we're already in SSA.
3271 Don't eliminate dead code in life_analysis.
3272 Rerun flow and life analysis at bottom.
3273 (eliminate_phi): Use canonical regnos when adding nodes.
3274 (mark_reg_in_phi): New function.
3275 (mark_phi_and_copy_regs): Likewise.
3276 (convert_from_ssa): Rerun life analysis at top.
3277 Use coalesced partition.
3278 Check for removing a phi node at the end of the block.
3279 (compute_coalesced_reg_partition): New function.
3280 (coalesce_regs_in_copies): Likewise.
3281 (coalesce_reg_in_phi): Likewise.
3282 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
3283 (for_each_successor_phi): Likewise.
3284 (rename_context): New struct.
3285 (rename_block): Use a rename_context with rename_insn_1. When
3286 renaming sets of a subreg, emit a copy of the entire reg first.
3287 (rename_insn_1): Treat data as a rename_context *. Save current
3289 (rename_set_data): Add field set_insn.
3290 * Makefile.in (HASHTAB_H): Move up in file.
3291 (OBSTACK_H): New macro.
3292 (collect2.o): Use OBSTACK_H in dependencies.
3293 (sdbout.o): Likewise.
3294 (emit-rtl.o): Likewise.
3295 (simplify-rtx.o): Likewise.
3296 (fix-header.o): Likewise.
3297 (OBJS): Add conflict.o.
3298 (conflict.o): New rule.
3299 * basic-block.h: Include partition.h.
3300 (conflict_graph): New typedef.
3301 (conflict_graph_enum_fn): Likewise.
3302 (conflict_graph_new): New prototype.
3303 (conflict_graph_delete): Likewise.
3304 (conflict_graph_add): Likewise.
3305 (conflict_graph_conflict_p): Likewise.
3306 (conflict_graph_enum): Likewise.
3307 (conflict_graph_merge_regs): Likewise.
3308 (conflict_graph_print): Likewise.
3309 (conflict_graph_compute): Likewise.
3310 * conflict.c: New file.
3312 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
3314 * tlink.c (read_repo_files): Don't look for .rpo info for
3317 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3319 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
3321 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3323 * config/sh/lib1funcs.asm (___udivsi3_i4):
3324 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
3325 only depends on FMOVD_WORKS.
3327 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3329 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
3330 make double constant 8-byte aligned.
3332 2000-04-06 Jakub Jelinek <jakub@redhat.com>
3334 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
3335 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
3336 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
3337 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
3338 Accept storing GENERAL_REGS into offsetable memory.
3339 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
3340 building a TFmode constant other than 0.0L into GENERAL_REGS.
3342 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
3344 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
3346 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
3348 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
3349 (macro_cleanup): No need to cast pbuf->macro.
3350 (collect_expansion): Use _cpp_get_define_token. Goto done if
3351 it returns VSPACE. Remove check for trailing space after
3353 (_cpp_create_definition): Don't diddle flags here. Return
3355 (unsafe_chars): Handle c1 being EOF.
3356 (push_macro_expansion): Use unsafe_chars for both accidental-paste
3357 checks. Don't push the buffer till after we're done with
3359 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
3360 (PEEKN, FORWARD, GETC, PEEKC): Use them.
3361 (cpp_push_buffer): Don't set new->alimit. Set new->mark
3363 (_cpp_parse_assertion): Don't NUL terminate.
3364 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
3365 hspace before calling _cpp_parse_assertion. Remove all sets
3366 of only_seen_white. Treat '\f' as hspace. Don't do anything
3367 special with '\n' here.
3368 (maybe_macroexpand): Handle T_EMPTY hash entries without
3369 pushing a buffer at all.
3370 (cpp_get_token): Handle clearing only_seen_white here. Handle
3371 incrementing the line number here. Clear
3372 potential_control_macro as well as only_seen_white, if
3374 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
3375 (_cpp_get_define_token): New function, basically like
3376 _cpp_get_directive_token was but doesn't eat horizontal space.
3377 Don't do anything with only_seen_white here.
3378 (_cpp_get_directive_token): Just call _cpp_get_define_token
3379 repeatedly till it returns non-hspace.
3381 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
3382 (conditional_skip, skip_if_group): Return int.
3383 (DIRECTIVE_TABLE): Change origin of all conditional directives
3385 (TRAD_DIRECT_P): New macro.
3386 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
3387 an error for a bogus directive, unless -lang-asm. Use
3388 TRAD_DIRECT_P. Loop calling handler functions till one returns
3390 (get_macro_name): Don't diddle flags here.
3391 (do_define): Diddle flags here. Use _cpp_get_directive_token.
3392 Create T_EMPTY nodes for #define macro /* nothing */.
3393 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
3394 Use hp->name when calling pass_thru_directive.
3395 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
3396 Return the result of conditional_skip and/or skip_if_group.
3397 Don't call _cpp_output_line_command.
3398 (consider_directive_while_skipping): Use _cpp_get_directive_token.
3399 Issue -Wtraditional warnings as appropriate. Don't complain
3400 about unrecognized directives. If we are to stop skipping,
3401 return the number of the directive that ended the skip.
3402 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
3403 expansion and line commands while skipping. Return the result
3404 of consider_directive_while_skipping, if nonzero.
3405 (do_endif): Just set potential_control_macro here.
3406 (validate_else): Use _cpp_get_directive_token.
3407 (do_assert, do_unassert): Don't save pointers into the
3408 token_buffer across calls to the lexer. Use
3409 _cpp_get_directive_token.
3411 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
3412 pointer, not an offset. Replace 'data', which was a generic
3413 pointer, with 'macro', which points to a struct hashnode.
3414 (cpp_reader): Add 'potential_control_macro' pointer.
3415 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
3416 (CPP_BUF_GET, CPP_FORWARD): Delete.
3417 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
3418 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
3419 ACTIVE_MARK_P): Update.
3420 (_cpp_get_define_token): New internal function.
3421 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
3423 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
3425 * configure.in: And here.
3426 * configure: Regenerate.
3427 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
3428 --enable-libstdcxx-v3 is passed at configure time.
3429 * config.h.in: Regenerate.
3431 2000-04-05 Mark Mitchell <mark@codesourcery.com>
3433 * final.c (final): Use xcalloc to allocate line_note_exists.
3434 * function.c (free_after_compilation): Free the temp_slots.
3435 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
3436 (combine_temp_slot): Free temp_slots when they get combined.
3437 (purge_addressof): Fix typo in comment.
3438 * stmt.c (mark_goto_fixup): Mark the fixup itself.
3439 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
3441 * ggc.h: Include varray.h.
3442 (ggc_pending_trees): Declare.
3443 (ggc_mark_tree_children): Remove declaration.
3444 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
3445 * ggc-common.c (ggc_pending_trees): New variable.
3446 (ggc_mark_roots): Call ggc_mark_trees.
3447 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
3448 the ggc_pending_trees.
3449 * Makefile.in (GGC_H): New variable. Use it throughout in place
3452 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3454 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3457 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3459 * sh.c (sh_insn_length_adjustment): New function.
3460 * sh-protos.h (sh_insn_length_adjustment): Declare.
3461 * sh.h (ADJUST_INSN_LENGTH): Use it.
3463 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3465 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3466 from the insn where REG_RETVAL is added.
3467 (emit_no_conflict_block): Ditto.
3469 * md.texi (Standard Names): Clarify when movX is needed.
3471 * combine.c (simplify_comparison) [MINUS]: Do not replace
3472 all (op (minus A B) 0) with (op A B).
3474 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3475 J"orn Rennecke <amylaar@cygnus.co.uk>
3477 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3478 (block_lump_real): Likewise.
3480 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3482 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3483 remaining non-zero debugging masks.
3485 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3487 * basic-block.h (verify_flow_info): Declare.
3488 (flow_loop_outside_edge_p): Declare.
3489 * flow.c (verify_flow_info): Remove declaration.
3490 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3492 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3494 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3497 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3499 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3500 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3501 seqdi_zero_trunc+1): Allow splits only if registers are
3504 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3506 * acconfig.h: Add HAVE_GAS_HIDDEN.
3507 * config.in: Regenerated.
3508 * configure.in: Add test for .hidden pseudo-op in gas.
3509 * configure: Regenerated.
3510 * crtstuff.c: Include auto-host.h.
3511 Emit additional .hidden pseudo-op for __dso_handle if the
3512 assembler knows about it.
3514 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3516 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3517 before freeing argnames.
3518 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3520 2000-04-05 Michael Meissner <meissner@redhat.com>
3522 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3523 Walton <jonboy@gordian.com> to make memory references with update
3524 work wtih -mregnames.
3526 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3528 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3529 (regrename_optimize): Rename variables `def_uses' and
3530 `ext_basic_blocks' to avoid conflicts with similarly named
3531 typedefs in traditional C.
3533 * calls.c (initialize_argument_information): Fix typo in previous
3536 2000-04-04 Richard Henderson <rth@cygnus.com>
3538 * regrename.c (consider_available): Test fixed_regs not
3539 PIC_OFFSET_TABLE_REGNUM.
3541 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3543 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3545 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3546 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3547 (ENDFILE_LINUX_SPEC): Always use crtend.
3548 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3549 (powerpc-*-linux-gnu): Likewise.
3550 * configure: Regenerate.
3552 * config/rs6000/eabi.h: Don't include sysv4.h.
3553 (MULTILIB_DEFAULTS): Don't define.
3554 * config/rs6000/eabiaix.h: Don't include eabi.h.
3555 * config/rs6000/eabile.h: Delete.
3556 * config/rs6000/eabilesim.h: Delete.
3557 * config/rs6000/eabisim.h: Don't include eabi.h.
3558 * config/rs6000/linux.h: Don't include sysv4.h.
3559 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3560 (MULTILIB_DEFAULTS): Don't redefine.
3561 * config/rs6000/rtems.h: Don't include eabi.h.
3562 * config/rs6000/sol2.h: Don't include sysv4le.h.
3563 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3564 * config/rs6000/t-ppc: Delete.
3565 * config/rs6000/t-ppcgas: Correct comment.
3566 * config/rs6000/t-ppcos: Correct comment. Don't build
3567 multilibs for -fPIC, rather use -fPIC -mstrict-align
3569 * config/rs6000/t-ppc: Delete.
3570 * config/rs6000/vxppc.h: Don't include sysv4.h.
3571 * config/rs6000/vxppcle.h: Delete.
3572 * configure.in: Use multiple header files for p2pc ELF targets
3573 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3574 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3575 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3576 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3577 always available for these platforms.
3579 2000-04-04 Richard Henderson <rth@cygnus.com>
3581 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3583 2000-04-04 Stan Cox <scox@cygnus.com>
3585 * Makefile.in: Add rules for regrename.o
3586 * regrename.c: New file.
3587 * rtl.h (regrename_optimize): Add prototype.
3588 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3589 (compile_file, decode_d_option): Add support for -frename-registers.
3590 (rest_of_compilation): Call regrename_optimize.
3591 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3594 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3596 * Makefile (gccbug): New target.
3597 (doc): Depend on it.
3598 * gcc.texi (Bugs): Link subnodes.
3600 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3601 Document severities, priorities, and classes in bug form.
3603 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3605 * cpplex.c (trigraph_map, speccase): Combine into single
3607 (NORMAL, NONTRI): New macros.
3608 (_cpp_read_and_prescan): Change to use unified table. Use
3609 is_hspace to test for whitespace.
3611 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3612 definition that doesn't provoke the "empty body in an
3613 if-statement" warning.
3615 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3617 * builtins.c (expand_builtin_strlen): Force the source to
3618 be a memory address.
3620 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3622 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3624 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3626 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3627 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3628 (ECF_IS_CONST): Rename to ECF_CONST.
3629 (special_function_p): Make static, change interface.
3630 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3631 (expand_call) ... here; convert number of variables to flags.
3632 (emit_library_call_vlue_1): Likewise.
3633 (setjmp_call_p): New function.
3634 (initialize_argument_information): Accepts flags as argument;
3636 (precompute_arguments): Likewise.
3637 * tree.h (special_function_p): Remove.
3638 (setjmp_call_p): Add prototype.
3640 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3642 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3643 so that addresses are offsetable by up to 16 bytes.
3644 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3645 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3648 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3649 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3650 (movsf): Don't force any constant to memory if target is integer
3652 Move fp_zero_operand check below the const0_rtx check.
3653 (movtf): Likewise. Also allow fp_zero_operand for stores into
3655 (movdf): Likewise. Also allow fp_zero_operand for stores into
3656 memory and into integer hard registers.
3657 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3658 movdf_const_intreg_sp64): Remove.
3659 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3661 (movdf_no_e_insn_v9_sp32): New pattern.
3662 (movdf_insn_v9only): Remove.
3663 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3664 (movdf_insn_sp64): Remove.
3665 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3666 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3667 (following splits): Rewrite conditions. Add two new splits
3668 for storing 0.0 into memory and registers.
3669 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3670 (movtf_insn_sp32): Redo constraints and conditions.
3671 (movtf_insn_vis_sp32): New pattern.
3672 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3673 (movtf_insn_hq_sp64): Likewise.
3674 (movtf_insn_hq_vis_sp64): New pattern.
3675 (movtf_insn_sp64): Redo constraints and conditions.
3676 (movtf_insn_vis_sp64): New pattern.
3677 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3678 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3680 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3681 -mvis or -m64 to take down the number of various reload patterns.
3683 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3685 * pa/pa-64.h: New file.
3686 * pa/pa64-regs.h: New file.
3687 * pa/pa64-start.h: New file.
3688 * pa/t-pa64: New file.
3689 * pa/xm-pa64hpux.h: New file.
3691 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3693 * sparc.c (output_restore_regs): Prototype.
3694 (sparc_emit_float_lib_cmp): Constification.
3696 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3698 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3701 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3702 (get_value_hash, hash_rtx): Likewise.
3704 * ssa.c (compute_conservative_reg_partition): Prototype.
3706 * tree.c (mark_hash_entry): Prototype.
3708 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3710 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3711 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3712 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3714 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3715 * objc/lang-specs.h: Likewise.
3717 2000-04-03 Neil Booth <NeilB@earthling.net>
3719 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3720 and SYNTAX_ERROR2. Replace `' in messages with ''.
3721 (op_to_str): Make re-entrant.
3722 (_cpp_parse_expr): Implement new error macros. Use | rather
3723 than || to logically or 2 boolean integers. Simply expression
3724 checking we have a left operand iff needed.
3726 2000-04-03 Nick Clifton <nickc@cygnus.com>
3728 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3730 2000-04-03 Philip Blundell <philb@gnu.org>
3732 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3734 2000-04-03 Felix Lee <flee@cygnus.com>
3736 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3737 (run_shell): Use it.
3739 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3741 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3742 (stmp-fixproto): ...rather than here.
3744 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3746 * pa.c (print_operand): Compute 'base' only inside the code paths
3749 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3751 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3754 2000-04-03 Philipp Thomas <pthomas@suse.de>
3756 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3758 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3760 * Makefile.in (alias.o): Depend on $(TREE_H).
3762 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3764 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3766 * cpplib.c (_cpp_handle_directive): Improve warnings for
3767 traditional C and indented directives.
3769 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3770 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3771 fixinc/inclhack.def: Indent the # of #include_next one space.
3772 * cp/rtti.c: Un-indent #if and #endif.
3774 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3775 syntax error, but an error has already been printed.
3776 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3777 message when called with nothing remaining on the line.
3778 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3779 OTHER token, not an ASSERTION.
3780 * cpplib.c (do_assert): When we create a 'base' node, clear
3781 its aschain pointer.
3783 2000-04-02 Neil Booth <NeilB@earthling.net>
3785 * cppexp.c: New typedef op_t. struct operation and struct
3786 token updated to use it.
3787 (op_to_str): New function.
3788 (_cpp_parse_expr): Error messages modified to use op_to_str.
3790 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3792 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3793 before checking MUST_PASS_IN_STACK.
3795 2000-04-02 Neil Booth <NeilB@earthling.net>
3797 * cppexp.c: New FINISHED dummy token. Combine operator initial
3798 flags and initial priority into a single constant. New
3799 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3800 (_parse_cpp_expr): Implement new constants. Take left operand
3801 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3802 parse indicated by reducing FINISHED token. Remove new lines
3803 from cpp_error messages.
3805 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3807 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3810 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3812 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3813 directive. Add origin values to DIRECTIVE_TABLE. Generate
3814 the strings and function names on the fly. Take the #sccs
3815 entry out of the table if SCCS_DIRECTIVE is not defined.
3816 (_cpp_handle_directive): Decide if the # was at the beginning
3817 of the line here. Issue -pedantic warnings for extended
3818 directives here. Warn about K+R directives with the #
3819 indented, and C89/extended directives with the # not indented,
3821 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3822 do_assert, do_unassert): Don't issue pedantic warning here.
3824 * cpphash.h: Add CPP_WTRADITIONAL macro.
3825 * cpplib.h (struct cpp_options): Rename warn_stringify to
3826 warn_traditional; update comments.
3827 * cppinit.c (handle_option): Set warn_traditional not
3829 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3830 CPP_WTRADITIONAL (pfile).
3831 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3832 be ignored in -traditional mode here.
3834 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3835 to initialize speccase[] and trigraph_map[]. Delete all
3836 references to pfile->input_speccase. Always treat '?' as a
3837 special character. Remove table-initialization code from
3838 _cpp_init_input_buffer.
3840 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3841 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3843 2000-04-01 Richard Henderson <rth@cygnus.com>
3845 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3846 (mostlyclean): Likewise.
3848 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3849 (struct dump_file_info, enum dump_file_index, dump_file): New.
3850 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3851 not a string. Clean out file if we havn't yet done so. Do nothing
3852 if the dump isn't enabled.
3853 (close_dump_file): Do nothing if the dump isn't open. Dump
3854 graph data if requested.
3855 (dump_rtl, clean_dump_file): Remove.
3856 (compile_file): Don't clean the dump files. Only finalize .bp dump
3857 if flag_test_coverage or flag_branch_probabilities. Only finalize
3858 .combine dump if optimizing. Iterate over dump_file to finalize the
3860 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3861 Convert all uses of dump_rtl.
3862 (decode_d_option): Iterate over dump_file to implement 'a' and to
3863 locate pass-specific dumps.
3865 2000-04-01 Neil Booth <NeilB@earthling.net>
3867 * cppexp.c: Redefine priority constants.
3868 (_cpp_parse_expr): Replace left and right priority scheme with
3869 single priority logic. Move LOGICAL to same place as COMPARE.
3870 Remove bogus check for multiple unary +/- operators.
3872 2000-04-01 Neil Booth <NeilB@earthling.net>
3874 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3875 within the switch statement. Binary operations break out of
3876 the switch naturally. '(' tokens handled by forcing
3877 immediate shift. ')' handled by forcing immediate reduce to
3878 the previous '('. New error messages.
3880 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3882 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3883 part', it's already in use. Use %K instead. Add a return at the
3884 end of what is now %K.
3885 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3887 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3889 * builtins.c (expand_builtin_apply): Pass proper parameters to
3890 allocate_dynamic_stack_space.
3891 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3892 update stack_pointer_delta; do not update arg_size_so_far.
3893 (compute_argument_block_size): Use stack_delta instead of
3894 stack_pointer_pending and arg_size_so_far.
3895 (expand_call): Add sanity checking for stack_pointer_delta;
3896 save and restore stack_pointer_delta for SIB, use
3897 stack_pointer_delta for alignment; do not update arg_space_so_far.
3898 (emit_library_call_value): Use stack_pointer_delta for alignment.
3899 (store_one_arg): Do not update arg_space_so_far.
3900 * explow.c (adjust_stack, anti_adjust_stack): Update
3901 stack_pointer_delta.
3902 (allocate_dynamic_stack_space): Add sanity checking for
3903 stack_pointer_delta.
3904 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3905 stack_pointer_delta.
3906 (emit_push_insn): Update stack_pointer_delta.
3907 * function.h (struct expr_status): Add x_stack_pointer_delta;
3908 remove x_arg_space_so_far.
3909 (arg_space_so_far): Remove.
3910 (stack_pointer_delta): New macro.
3912 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3914 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3915 Reorder struct cpp_options and struct cpp_reader for better
3916 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3917 takes two args. Change all 'char' flags to 'unsigned char'.
3918 Move show_column flag into struct cpp_options. Don't
3919 prototype cpp_options_init.
3920 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3921 cppinit.c, cpplex.c, cpplib.c:
3922 Replace CPP_OPTIONS (pfile)->whatever with
3923 CPP_OPTION (pfile, whatever), and likewise for
3924 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3926 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3927 Extract CPP_OPTION (pfile, pending) and work with that
3929 (cpp_options_init): Delete.
3930 (cpp_reader_init): Turn on on-by-default options here.
3931 Allocate the pending structure here.
3932 (cl_options, enum opt_code): Define these from the same table,
3933 kept in a large macro. Add -fshow-column and -fno-show-column
3936 * cpperror.c (v_message): If show_column is off, don't print
3939 * cppmain.c: Update for new interface.
3940 * fix-header.c: Likewise.
3942 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3944 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3946 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3947 are passed to any invocation of AR_FOR_TARGET.
3948 (AR_CREATE_FOR_TARGET): New macro.
3949 (AR_EXTRACT_FOR_TARGET): New macro.
3950 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3951 AR_EXTRACT_FOR_TARGET.
3952 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3953 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3954 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3955 AR_EXTRACT_FOR_TARGET to sub-makes.
3957 2000-03-31 Neil Booth <NeilB@earthling.net>
3959 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3961 (_cpp_parse_expr): Check for multiple unary +/- operators.
3962 Correct priorities of ':' and '?'. Treat ')' as having a
3963 value. Ensure conditional expression is not void.
3965 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3967 * alias.c (canon_rtx): Make it global.
3968 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3970 * cse.c (struct table_elt): Add canon_exp.
3972 (invalidate): Canonicalize expressions only once.
3973 * rtl.h (canon_rtx): Declare.
3975 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3977 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3978 * alias.c (reg_known_value): Add comments.
3979 (init_alias_analysis): Likewise.
3980 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3982 (cse_basic_block): Fix typo in comment.
3983 * emit-rtl.c: Include hashtab.h.
3984 (const_int_htab): New variable.
3985 (const_int_htab_hash): New function.
3986 (const_int_htab_eq): Likewise.
3987 (rtx_htab_mark_1): Likewise.
3988 (rtx_htab_mark): Likewise.
3989 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3990 (unshare_all_rtx): Fix formatting.
3991 (init_emit_once): Initialize const_int_htab.
3992 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3994 * rtl.texi: Document the fact that all CONST_INTs with the same
3997 2000-03-30 Richard Henderson <rth@cygnus.com>
3999 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
4001 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
4003 * configure.in: Comment out --enable-c-cpplib stanza.
4004 * configure: Regenerate.
4006 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4008 * expr.c (store_constructor): Properly compute displacement and
4009 alignment when offset is variable.
4011 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
4012 cases of alignment in bytes.
4014 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
4016 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
4017 since it is used to generate c-parse.y.
4018 * objc-parse.c, objc-parse.y: Regenerated.
4020 * function.c (expand_function_end): Pass alignment argument to
4021 emit_block_move in bits, not bytes.
4023 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4025 * expr.c (move_by_pieces_ninsns): Fix one more missing align
4028 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
4030 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
4031 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
4032 * function.c (assign_parms): Likewise.
4033 * integrate.c (expand_inline_function): Likewise.
4034 * stmt.c (expand_decl): Likewise.
4035 (copy_rtx_and_substitute): Likewise.
4036 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
4037 (clear_by_pieces): Fix error in last change.
4038 * emit-rtl.c (init_emit): Set known registers alignment in bits.
4039 * function.h (regno_pointer_align): Now unsigned.
4040 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
4042 * config/i386/i386.c (aligned_operand): Likewise.
4043 * config/sparc/sparc.c (mem_min_alignment): Likewise.
4044 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
4045 (unaligned_memory_operand): Likewise.
4046 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
4047 Also make alignments and sizes unsigned and some whitespace cleanup.
4048 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
4050 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
4051 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
4052 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
4053 (expand_builtin_memset): Likewise, but to clear_storage.
4054 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
4055 (restore_fixed_argument_area): Likewise.
4056 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
4057 (load_register_parameters): Likewise, to emit_group_load.
4058 (expand_call): Likewise, to emit_group_store and emit_block_move.
4059 (emit_library_call_value_1): Likewise, to emit_block_move.
4060 (store_one_arg): Likewise, and to emit_push_insn.
4061 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
4062 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
4063 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
4064 (emit_block_move, emit_group_load, emit_group_store): Likewise.
4065 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
4066 (expand_assigment, store_expr, store_constructor_field): Likewise.
4067 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
4068 (store_constructor, store_field, get_inner_reference): Likewise.
4069 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
4070 (expand_expr, case COMPONENT_REF): Likewise.
4071 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
4072 and positions; reindent code.
4073 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
4074 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
4075 (assign_parms): Likewise to emit_group_store.
4076 * optabs.c (prepare_cmp_insn): Alignment is in bits.
4077 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
4078 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
4079 (expand_return): Likewise to {extract,store}_bit_field.
4080 * stor-layout.c (get_mode_alignment): Minor cleanup.
4081 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
4082 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
4084 2000-03-29 Nick Clifton <nickc@cygnus.com>
4086 * config/arm/arm.h: Undo effects of previous delta:
4087 (ASM_SPEC): Do not define.
4088 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
4090 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
4093 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
4095 * cppinit.c (cpp_start_read): Call initialize_dependency_output
4096 only after reading in the primary source file.
4098 2000-03-29 Geoff Keating <geoffk@cygnus.com>
4100 * c-common.c (c_common_nodes_and_builtins): The first parameter to
4101 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
4102 or a reference to a va_list.
4103 * builtins.c (stabilize_va_list): Simplify now we don't have to
4104 work around C array address decay.
4105 * c-typeck.c (convert_for_assignment): Handle assignment to
4106 a reference parameter by taking the address of the RHS.
4107 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
4108 (va_copy): Likewise.
4109 (__va_copy): Likewise.
4110 * ginclude/varargs.h (va_start): Likewise.
4111 (__va_copy): Likewise.
4113 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
4115 * i386/djgpp.h: Remove extraneous "+".
4117 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
4119 * calls.c (expand_call): Fix typo in last change.
4121 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
4123 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
4126 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4128 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
4129 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
4130 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
4131 * tree.c (bit_position, byte_position): Likewise.
4132 * tree.h: Declare new functions.
4134 2000-03-29 Nick Clifton <nickc@cygnus.com>
4136 * config/arm/arm.c: Minor formatting changes/
4137 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
4139 (ASM_SPEC): Define if not already defined.
4141 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
4143 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
4146 2000-03-29 Jakub Jelinek <jakub@redhat.com>
4148 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
4149 value, don't output it as unsigned.
4151 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
4153 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
4155 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4157 * c-common.c (c_common_nodes_and_builtins): Don't special case
4158 cplus_mode when declaring builtin bzero/bcmp, always avoid
4159 prototype arguments.
4161 2000-03-29 Bruce Korb <bkorb@gnu.org>
4163 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
4166 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
4168 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
4169 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
4170 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
4171 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
4172 (save_fixed_argument_area, restore_fixed_argument_area):
4173 conditionize by #ifdef REG_PARM_STACK_SPACE only.
4174 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
4175 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
4176 (precompute_register_parameters): Avoid #ifdefs on
4177 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
4178 (stire_one_args): Likewise.
4179 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
4180 (emit_library_call_value_1): Likewise.
4181 (compute_argument_block_size): Align to STACK_BOUNDARY only for
4182 ACCUMULATE_OUTGOING_ARGS.
4183 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
4185 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
4186 (use_crosses_set_p): Likewise.
4187 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
4188 #define ACCUMULATE_OUTGOING_ARGS 1.
4189 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
4191 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
4193 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
4194 (TARGET_SWITCHES): Add push-args, no-push-args,
4195 accumulate-outgoing-args and no-accumulate-outgoing-args.
4196 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
4197 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
4198 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
4200 (emit_push_insn): Likewise.
4201 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4202 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
4203 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4204 (STACK_DYNAMIC_OFFSET): Define correctly for both
4205 ACCUMULATE_OUTGOING_ARGS and normal mode.
4206 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
4207 * tm.texi (PUSH_ARGS): Document.
4208 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
4210 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
4212 * flags.h (flag_optimize_sibling_calls): Declare.
4213 * calls.c (expand_call): Fail sibcall when
4214 !flag_optimize_sibling_calls
4215 * invoke.texi (flag_optimize_sibling_calls): Document.
4216 * toplev.c (flag_optimize_sibling_calls): New global variable.
4217 (f_options): Add flag_optimize_sibling_calls.
4218 (rest_of_compilation): Conditionize
4219 optimize_sibling_and_tail_recursive_calls by
4220 flag_optimize_sibling_calls.
4221 (main): Set flag_optimize_sibling_calls for -O2.
4222 * stmt.c (expand_return): Conditionize tail recursion by
4223 flag_optimize_sibling_calls.
4225 2000-03-29 Richard Henderson <rth@cygnus.com>
4227 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
4228 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
4230 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
4232 * except.c (add_eh_table_entry): Mark type_info's as referenced.
4234 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4236 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
4238 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
4239 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
4240 * config/rs6000/aix.h: then modified likewise.
4242 2000-03-28 Richard Henderson <rth@cygnus.com>
4244 * rtl.h: Redistribute enum reg_note documentation.
4245 Kill trailing whitespace.
4246 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
4247 Kill trailing whitespace.
4249 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
4251 * cppfiles.c (hash_IHASH): Just return i->hash.
4252 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
4253 htab_find_with_hash.
4254 (cpp_read_file): Likewise.
4255 (find_include_file): Likewise. Properly initialize
4256 ih->nshort. Share ih->name and ih->nshort if possible.
4257 * cpphash.c (_cpp_calc_hash): New function.
4258 (hash_HASHNODE): Just return h->hash.
4259 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
4260 htab_find_with_hash.
4261 * cpphash.h: Prototype _cpp_calc_hash.
4262 * cppinit.c (initialize_builtins): Provide a valid hash
4263 to _cpp_make_hashnode, using _cpp_calc_hash.
4265 * cpphash.c (collect_expansion): # is not a special character
4266 in object-like macros. In -traditional mode, /**/ is not
4267 token paste at the beginning or end of the line.
4268 * cpplib.c (do_include, do_import, do_include_next): If
4269 parse_include fails, return immediately.
4271 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
4273 * config/arm/arm.md (return peepholes): Update to reflect the new
4275 * config/arm/arm.c (arm_volatile_func): Also check
4276 current_function_nothrow.
4277 (output_return_instruction, output_func_prologue): Use it.
4278 (arm_output_epilogue, arm_expand_prologue): Likewise.
4280 2000-03-27 Tom Tromey <tromey@cygnus.com>
4282 * gcc.c (handle_braces): In {x*...} case, break out of loop if
4285 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4287 * expr.c (store_constructor): SIZE now signed.
4288 For EXPR_SIZE, don't evaluate size; just needed if constant.
4289 * fold-const.c (fold): Fix a number of cases when folded tree is
4291 * function.c (flush_addressof): Reenable.
4292 * tree.h (flush_addressof): Likewise.
4293 * toplev.c (independent_decode_option): Look at strings_processed.
4294 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
4296 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
4298 * sibcall.c (indentify_call_return_value): Find last call in the chain;
4299 Allow stack adjustment after function call.
4301 * regmove.c (struct csa_memlist): Make mem field rtx *.
4302 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
4303 (try_apply_stack_adjustment): Replace whole MEM rtx.
4304 (combine_stack_adjustments_for_block): Update calls
4305 to record_one_stack_ref.
4307 2000-03-28 Neil Booth <NeilB@earthling.net>
4309 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
4310 '\\' rather than a null character, so nulls are not special. Fix
4311 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
4312 speed trigraph conversion.
4313 (_cpp_init_input_buffer): Initialize trigraph map.
4315 2000-03-27 Alan Modra <alan@linuxcare.com.au>
4317 * config/i386/i386.c (output_387_binary_op): Correct intel
4318 mode assembly output, and add spaces after commas in AT&T
4319 output. Correct Unixware assembler comment. Document input
4320 constraints. Comment fp operations. Reduce profligate buffer
4321 size. Remove extraneous abort. Localize temp var.
4322 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
4323 (output_fix_trunc): Add spaces after commas in assembly output.
4325 2000-03-27 Richard Henderson <rth@cygnus.com>
4327 * i386-protos.h (ix86_match_ccmode): Declare.
4328 * i386.c (ix86_match_ccmode): New.
4329 (ix86_expand_fp_compare): Update for pattern renames.
4330 (ix86_expand_strlensi_unroll_1): Likewise.
4331 * i386.h (EXTRA_CC_MODES): Add CCZ.
4332 (SELECT_CC_MODE): Use it for EQ/NE zero.
4333 * i386.md (cmpsi_ccz_1): New.
4335 (*testsi_ccz_1): New.
4336 (testqi_ccz_1): New.
4337 (cmpsi_ccno_1): Rename from cmpsi_0.
4338 (testsi_ccno_1): Rename from testsi_1.
4339 (testqi_ccno_1): Rename from testqi_1.
4340 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
4341 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
4342 (*cmphi_0): Use ix86_match_ccmode.
4343 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
4344 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
4345 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
4346 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
4347 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
4348 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
4349 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
4350 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
4351 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
4352 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
4353 (appropriate peepholes): Likewise.
4354 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
4355 (*subsi_3, *subhi_3, *subqi_3): Remove.
4356 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
4357 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
4358 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
4359 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
4360 (x86_shift_adj_1): Use CCZ.
4361 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
4363 2000-03-27 Stan Cox <scox@cygnus.com>
4365 * resource.h (mark_resource_type): New.
4366 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
4367 find_free_register): Use mark_resource_type.
4368 (mark_set_resources): Change include_delayed_effects
4369 to mark_resource_type.
4370 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
4371 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
4372 Use mark_resource_type.
4374 2000-03-27 Richard Henderson <rth@cygnus.com>
4376 * i386.md (call_pop_0, call_value_pop_0): New.
4377 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
4378 (call_value_pop_1): Likewise.
4379 (call_0, call_value_0): New.
4380 (call_1, call_value_1): Remove constraint from unused arg.
4382 2000-03-27 Nick Clifton <nickc@cygnus.com>
4384 * invoke.texi (Spec Files): Document new spec % command created by
4385 Tom Tromey's recent patch.
4387 2000-03-27 Jakub Jelinek <jakub@redhat.com>
4389 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
4392 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4394 * expr.c (expand_assignment): Fix typo in last change.
4396 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
4398 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4400 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
4401 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
4402 and DECL_INLINE if FUNCTION_DECL.
4403 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
4404 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
4405 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
4406 (combine_parm_decls): Likewise.
4407 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
4408 * print-tree.c (print_node): Likewise.
4409 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
4410 DECL_TRANSPARENT_UNION on proper decl types.
4411 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
4412 * stor-layout.c (layout_decl): Only check DECL_PACKED and
4413 DECL_BIT_FIELD of FIELD_DECL.
4414 * tree.h (DECL_RESULT_FLD): New macro.
4416 * expr.c (expand_assignment): Add code to handle variable-sized
4419 2000-03-26 Richard Henderson <rth@cygnus.com>
4421 * calls.c (expand_call): Pass parms not original exp to
4422 optimize_tail_recursion. Mind return value instead of looking
4424 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
4425 call_expr. Move checks for call_expr and current_function_decl ...
4426 (expand_return): ... here.
4428 2000-03-26 Tom Tromey <tromey@cygnus.com>
4430 * gcc.c (handle_braces): Recognize `%{<S}' construct.
4431 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
4433 (process_command): Use them.
4434 (check_live_switch): Likewise.
4435 (give_switch): Skip ignored switches.
4437 2000-03-26 Jan Hubicka <jh@suse.cz>
4439 * jump.c (jump_optimize_1): Fix typo in elide optimizations
4440 for minimal jump pass test.
4442 2000-03-26 Mark Mitchell <mark@codesourcery.com>
4444 * integrate.c (function_cannot_inline_p): Do inline functions that
4447 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4449 * stor-layout.c (layout_type, set_sizetype): early_type_list is
4450 now a list of TREE_LIST entries, not types.
4451 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
4453 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
4454 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
4456 * config/mips/mips.c (function_arg): Likewise; also remove cast
4457 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
4458 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
4459 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
4460 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
4461 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
4462 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
4463 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
4464 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
4465 num_adjusts now unsigned.
4466 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
4467 * config/sparc/sparc.c (struct function_arg_record_value_parms):
4469 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
4470 as is BITPOS variable; use host_integerp and int_bit_position.
4471 (function_arg_record_value_2): Likewise.
4472 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
4473 Variable REGNO now unsigned.
4474 (function_arg_record_value): NREGS now unsigned.
4476 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4478 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
4480 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4482 * Rework fields used to describe positions of bitfields and
4483 modify sizes to be unsigned and use HOST_WIDE_INT.
4484 * alias.c (reg_known_value_size): Now unsigned.
4485 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
4486 (really_start_incremental_init): Use bitsize_zero_node.
4487 (push_init_level, pop_init_level, output_init_element): Likewise.
4488 Use bitsize_unit_node and bitsize_one_node.
4489 (output_pending_init_elements, process_init_element): Likewise.
4490 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
4491 (make_extraction): Position and length HOST_WIDE_INT and unsigned
4492 HOST_WIDE_INT, respectively.
4493 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4494 (num_sign_bit_copies): Returns unsigned.
4495 BITWIDTH now unsigned; rework arithmetic.
4496 Remove recursive call from arg to MAX.
4497 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4498 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4500 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4501 (find_split_point, expand_compound_operation, make_extraction): LEN
4502 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4503 (make_field_assignment): Likewise.
4504 (combine_simplify_rtx): Add cast.
4505 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4506 (force_to_mode): WIDTH now unsigned; add cast.
4507 (if_then_else_cond): SIZE now unsigned.
4508 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4509 (extended_count): Now returns unsigned.
4510 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4511 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4512 (simplify_comparison): MODE_WIDTH now unsigned.
4513 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4514 (mark_used_regs_combine): Likewise; rework arithmetic.
4515 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4516 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4517 (record_promoted_value): REGNO now unsigned.
4518 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4519 (get_last_value): REGNO now unsigned.
4520 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4521 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4522 (remove_death): Arg REGNO now unsigned.
4523 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4524 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4526 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4527 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4528 (struct cse_reg_info): REGNO now unsigned.
4529 (cached_regno): Now unsigned.
4530 (REGNO_QTY_VALID_P): Add cast.
4531 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4532 (remove_invalid_regs): Likewise.
4533 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4534 as are variables END and I.
4535 (get_cse_reg_info, insert): Likewise.
4536 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4537 (canon_hash): Likewise.
4538 (insert_regs, lookup_for_remove): REGNO now unsigned.
4539 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4541 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4542 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4543 * emit-rtl.c (subreg_realpart_p): Add cast.
4544 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4545 (operand_subword_force): Arg I is now unsigned.
4546 * except.c (eh_regs): Variable I is now unsigned.
4547 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4548 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4549 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4550 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4551 (extract_split_bit_field, store_bit_field, extract_bit_field):
4553 * expr.c (store_constructor_fields, store_constructor, store_field):
4554 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4555 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4556 (do_jump): Likewise.
4557 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4558 MAX_SIZE is now unsigned.
4559 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4560 (emit_group_store): Likewise.
4561 (emit_move_insn): I now unsigned.
4562 (store_constructor): Use host_integerp, tree_low_cst, and
4564 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4565 Rework all calculations to use trees and new fields.
4566 * expr.h (promoted_input_arg): Regno now unsigned.
4567 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4568 (mark_seen_cases): Arg is HOST_WIDE_INT.
4569 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4570 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4571 precisions and alignments are unsigned.
4572 (optimize_bit_field_compare, fold_truthop): Likewise.
4573 (int_const_binop): Adjust threshold for size_int_type_wide call.
4574 (fold_convert): Likewise.
4575 (size_int_type_wide): Make table larger and fix thinko that only
4576 had half of table used.
4577 (all_ones_mask_p, fold): Precisions are unsigned.
4578 * function.c (put_reg_info_stack): REGNO is unsigned.
4579 (instantiate_decl): Size is HOST_WIDE_INT.
4580 (instantiate_virtual_regs): I is unsigned.
4581 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4582 (promoted_input_arg): REGNO is unsigned.
4583 * function.h (struct function): x_max_parm_reg is now unsigned.
4584 * gcse.c (max_gcse_regno): Now unsigned.
4585 (struct null_pointer_info): min_reg and max_reg now unsigned.
4586 (lookup_set, next_set): REGNO arg now unsigned.
4587 (compute_hash_table): REGNO and I now unsigned.
4588 (handle_avail_expr): regnum_for_replacing now unsigned.
4589 (cprop_insn): REGNO now unsigned.
4590 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4591 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4592 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4593 * hard-reg-set.h (reg_class_size): Now unsigned.
4594 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4595 * jump.c (mark_modified_reg): I now unsigned; add cast.
4596 (rtx_equal_for_thread_p): Add cast.
4597 * loop.c (max_reg_before_loop): Now unsigned.
4598 (struct_movable): REGNO now unsigned.
4599 (try_copy_prop): REGNO arg unsigned.
4600 (regs_match_p): XN and YN now unsigned.
4601 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4602 (strength_reduce): Likewise; NREGS also unsigned.
4603 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4604 * loop.h (struct iv_class): REGNO now unsigned.
4605 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4607 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4608 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4609 * optabs.c (expand_binop): I and NWORDS now unsigned.
4610 (expand_unop): I now unsigned.
4611 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4612 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4613 * real.c (significand_size): Now returns unsigned.
4614 * real.h (significand_size): Likewise.
4615 * regclass.c (reg_class_size): Now unsigned.
4616 (choose_hard_reg_mode): Both operands now unsigned.
4617 (record_reg_classes): REGNO and NR now unsigned.
4618 (reg_scan): NREGS now unsigned.
4619 (reg_scan_update): old_max_regno now unsigned.
4620 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4621 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4622 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4623 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4624 Likewise for variable R.
4625 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4626 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4627 (find_equiv_reg): Add casts.
4628 (regno_clobbered_p): Arg REGNO now unsigned.
4629 * reload.h (struct reload): NREGS now unsigned.
4630 (refers_to_regno_for_reload_p): Regno args are unsigned.
4631 (regno_clobbered_p): Likewise.
4632 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4633 (compute_use_by_pseudos): REGNO now unsigned.
4634 (find_reg): I and J now unsigned, new variable K, and change loop
4635 variables accordingly; THIS_NREGS now unsigned.
4636 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4637 (spill_hard_reg): REGNO arg now unsigned; add casts.
4638 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4639 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4640 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4641 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4642 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4643 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4644 (emit_reload_insns): REGNO now unsigned.
4645 (reload_cse_move2add): Add cast.
4646 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4648 * resource.c (mark_referenced_resources, mark_set_resources): New
4649 variable R; REGNO and LAST_REGNO now unsigned.
4650 (mark_target_live_regs): J and REGNO now unsigned.
4651 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4652 * rtl.h (union rtunion_def): New field rtuint.
4653 (XCUINT): New macro.
4654 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4655 (operand_subword, operand_subword_force): Word number is unsigned.
4656 (choose_hard_reg_mode): Operands are unsigned.
4657 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4658 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4659 (regno_use_in, combine_instructions, remove_death): Likewise.
4660 (reg_scan, reg_scan_update): Likewise.
4661 (extended_count): Return is unsigned.
4662 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4663 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4664 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4665 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4666 (reg_reg_last_1): FIRS and LAST now unsigned.
4667 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4668 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4670 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4671 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4672 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4673 (replace_regs): Arg NREGS now unsigned.
4674 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4675 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4676 (simplify_binary_operation): Likewise.
4677 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4678 THIS_LAST now unsigned.
4679 (cselib_record_set): Add cast.
4680 * ssa.c (ssa_max_reg_num): Now unsigned.
4681 (rename_block): REGNO now unsigned.
4682 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4684 (all_cases_count): Just return -1 not -2.
4685 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4686 Rework tests to use trees whenever possible.
4687 Use host_integerp and tree_low_cst.
4688 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4689 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4690 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4691 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4692 (smallest_mode_for_size): Likewise.
4693 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4694 KNOWN_ALIGN is now an alignment, so simplify code.
4695 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4696 (start_record_layout): Renamed from new_record_layout_info.
4697 Update to new fields.
4698 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4700 (place_union_field): Renamed from layout_union_field.
4701 Update to use new fields in rli.
4702 (place_field): Renamed from layout_field.
4703 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4704 (finalize_record_size): Rework to use new fields in rli and handle
4706 (compute_record_mode): Rework to simplify and to use new DECL fields.
4707 (finalize_type_size): Make rounding more consistent.
4708 (finish_union_layout): Deleted.
4709 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4710 (layout_type, case RECORD_TYPE): Call new function names.
4711 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4712 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4713 (get_best_mode): UNIT is now unsigned; remove casts.
4714 * tree.c (bit_position): Compute from new fields.
4715 (byte_position, int_byte_position): New functions.
4716 (print_type_hash_statistics): Cast to remove warning.
4717 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4718 (build_index_type): Likewise; make subtype of sizetype.
4719 (build_index_2_type): Pass sizetype to build_range_type.
4720 (build_common_tree_nodes): Use size_int and bitsize_int to
4721 initialize nodes; add bitsize_{zero,one,unit}_node.
4722 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4723 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4724 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4725 (DECL_FIELD_BITPOS): Deleted.
4726 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4727 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4728 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4729 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4730 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4731 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4732 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4733 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4734 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4735 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4736 (DECL_ALIGN): Adjust to new field in union.
4737 (DECL_OFFSET_ALIGN): New field.
4738 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4739 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4740 (union tree_decl): Add struct for both aligns.
4741 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4742 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4743 (struct record_layout_info): Rework fields to have offset
4744 alignment and byte and bit position.
4745 (start_record_layout, place_field): Renamed from old names.
4746 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4747 (byte_position, int_byte_position): Likewise.
4748 (get_inner_reference): Change types of position and length.
4749 * unroll.c (unroll_loop): New variable R; use for some loops.
4750 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4751 (calculate_giv_inc): Arg REGNO now unsigned.
4752 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4753 * varasm.c (assemble_variable): Clean up handling of size using
4754 host_integerp and tree_low_cst.
4755 (decode_addr_const): Use byte, not bit, position.
4756 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4757 use tree_low_cst and int_bit_position.
4758 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4760 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4762 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4763 (reorder_block_def): New members eff_head and eff_end.
4764 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4765 (verify_insn_chain): New function.
4766 (skip_insns_between_block): Add code to skip deleted insns.
4767 Check for note before using.
4768 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4769 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4770 Check for note before using.
4771 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4772 (fixup_reorder_chain): Restructure, clean up, defect removal.
4773 (reorder_basic_blocks): Remove last_insn and references to it.
4774 Moved insn chain verification code into a new function (see above).
4775 Delete defective code that sets last insn.
4776 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4779 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4781 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4783 2000-03-24 Richard Henderson <rth@cygnus.com>
4785 * tree.c (lang_safe_for_unsave): Remove.
4786 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4787 allowing for two levels of unsafeness. Remove lang hook.
4788 * tree.h: Update declarations.
4789 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4790 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4791 Always fail sibcalls when there are pending cleanups.
4793 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4795 * flow.c (propagate_block): When we delete an ADDR_VEC,
4796 also delete the BARRIER following it if there is one.
4798 2000-03-24 Richard Henderson <rth@cygnus.com>
4800 * builtins.c (expand_builtin_bzero): Convert `length' argument
4803 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4805 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4806 comparison if regno's are equal.
4807 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4808 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4809 (expand_call): Update caller.
4810 Avoid making a sibling call if argument size of the callee is larger
4811 than argument size of the caller.
4812 Call hard_function_value with outgoing set if in sibcall pass.
4813 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4815 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4816 Change LEAF_REGISTERS from an array initializer to actual array
4817 identifier. Move static global variable into the function.
4818 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4819 sequences for leaf functions.
4820 * global.c (global_alloc): Likewise.
4821 * tm.texi (LEAF_REGISTERS): Update documentation.
4823 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4824 TARGET_FLAT leaf disabling hack.
4825 (LEAF_REGISTERS): Changed from an array initializer to actual array
4826 identifier to avoid duplication and remove the above hack.
4827 (FUNCTION_OK_FOR_SIBCALL): Define.
4828 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4829 always like call attribute.
4830 (eligible_for_sibcall_delay): New attribute.
4831 (sibcall): New delay type.
4832 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4833 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4834 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4835 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4836 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4838 (output_function_epilogue): Move part of the code into
4839 output_restore_regs.
4840 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4842 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4845 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4846 until infrastructure is finished.
4848 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4850 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4851 (save_parm_insns): Not here.
4853 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4855 * builtins.c (expand_builtin_bzero): New function.
4856 (expand_builtin): Handle bzero.
4858 * builtins.def: Add BUILT_IN_BZERO.
4860 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4861 prototype & function for bzero.
4863 2000-03-23 Michael Meissner <meissner@redhat.com>
4865 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4866 change adding TARGET_FP to the TF floating point insns, except for
4867 trunctfsf2, which generates direct calls to truncdfsf2.
4869 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4871 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4872 try to protect against middle-end changes that break binary
4874 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4876 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4878 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4880 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4882 * calls.c (expand_call): If TARGET is passed by reference and
4883 is readonly, write a CLOBBER.
4885 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4887 * builtins.c (expand_builtin): Handle bcmp.
4889 * builtins.def: Add BUILT_IN_BCMP.
4891 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4892 prototype & function for bcmp.
4894 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4896 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4897 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4898 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4900 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4902 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4903 alternative when using -fp64 -gp32.
4905 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4907 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4908 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4909 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4911 * frame.h (frame_state): Revert last change.
4912 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4913 * libgcc2.c (throw_helper): Revert last change.
4915 2000-03-22 Richard Henderson <rth@cygnus.com>
4917 * stmt.c (expand_asm_operands): Don't promote the temporary.
4919 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4921 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4922 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4923 c_get_alias_set): Likewise.
4924 * c-decl.c (duplicate_decls): Likewise.
4925 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4926 * calls.c (initialize_argument_information): Likewise.
4927 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4929 * dwarfout.c (decl_class_context,output_type): Likewise.
4930 * expr.c (get_inner_reference): Likewise.
4931 * fold-const.c (simple_operand_p,fold): Likewise.
4932 * function.c (aggregate_value_p): Likewise.
4933 * stmt.c (expand_asm_operands): Likewise.
4934 * varasm.c (named_section): Likewise.
4936 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4938 Implement dwarf2 exception handling for the ARM.
4939 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4940 (DWARF_FRAME_RETURN_COLUMN): Define.
4941 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4942 REG_FRAME_RELATED_EXPR note.
4943 (emit_sfm): Likewise.
4944 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4945 * dwarf2out.c (reg_save): Handle saving a register to itself.
4946 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4947 * except.c (eh_regs): Don't use the static chain reg if it's
4949 * frame.h (frame_state): Add cfa_saved field.
4950 * frame.c (execute_cfa_insn): Set it.
4951 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4953 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4955 (instantiate_virtual_regs): Adjust.
4957 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4958 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4959 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4961 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4962 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4964 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4966 * builtins.def: New file.
4968 * Makefile.in (TREE_H): Depend on builtins.def.
4970 * builtins.c (built_in_names): Use builtins.def.
4972 * tree.h (built_in_function): Likewise.
4974 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4976 * tree.c (size_in_bytes): Return size_zero_node, not
4979 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4981 * config/fp-bit.c (pack_d): Correct the case when a denormal
4982 is rounded up and stops being denormal.
4984 2000-03-21 Richard Henderson <rth@cygnus.com>
4986 * config/alpha/alpha.c (function_arg): Check for void_type_node
4987 before using MUST_PASS_IN_STACK.
4989 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4991 * regmove.c (combine_stack_adjustments_for_block): Check that
4992 the stack pointer is a valid memory address.
4994 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4996 * calls.c: re-install Mar 16 emit_library_call merge.
4998 2000-03-21 Jakub Jelinek <jakub@redhat.com>
5000 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
5001 we cannot be sure that if reload_completed base register will
5002 be properly aligned.
5004 2000-03-21 Richard Henderson <rth@cygnus.com>
5006 * flow.c (delete_block): Fix typo last change.
5008 2000-03-21 Mark Mitchell <mark@codesourcery.com>
5010 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
5011 not COMPLETE_TYPE_P, to check the type of the expression.
5013 2000-03-21 Michael Meissner <meissner@redhat.com>
5015 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
5016 all floating point insns that just tested the macro
5017 TARGET_HAS_XFLOATING_LIBS.
5018 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
5019 used to only use the gprs.
5021 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
5023 * tree.h (COMPLETE_TYPE_P): New macro.
5024 (COMPLETE_OR_VOID_TYPE_P): New macro.
5025 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
5026 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
5027 * c-aux-info.c (gen_type): Use them.
5028 * c-common.c (c_expand_expr_stmt): Likewise.
5029 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
5030 grokdeclarator, grokparms, finish_struct, start_function,
5031 store_parm_decls, combine_parm_decls): Likewise.
5032 * c-parse.y (cast_expr): Likewise.
5033 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
5034 c_size_in_bytes, c_alignof, build_component_ref,
5035 build_indirect_ref, build_array_ref, convert_arguments,
5036 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
5037 * calls.c (initialize_argument_information): Likewise.
5038 * convert.c (convert_to_integer): Likewise.
5039 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
5040 * dwarfout.c (location_or_const_value_attribute,
5041 output_enumeration_type_die, output_structure_type_die,
5042 output_union_type_die, output_type): Likewise.
5043 * expr.c (safe_from_p, expand_expr): Likewise.
5044 * function.c (assign_parms): Likewise.
5045 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
5046 * tree.c (build_array_type, build_function_type,
5047 build_method_type, build_offset_type, build_complex_type): Likewise.
5048 * c-parse.c, c-parse.h: Regenerated.
5050 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5052 * config/c4x/rtems.h: Include config/rtems.h.
5054 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
5056 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
5057 decl is a FUNCTION_DECL
5059 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
5061 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
5062 function uses output registers. Don't save RP for leaf functions.
5063 Do save RP even if no epilogue.
5064 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
5065 (CALL_USED_REGISTERS): Unmark in registers.
5066 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
5069 2000-03-20 Geoff Keating <geoffk@cygnus.com>
5071 * config/rs6000/rs6000.md (bunordered): New expander.
5072 (bordered): New expander.
5073 (buneq): New expander.
5074 (bunge): New expander.
5075 (bungt): New expander.
5076 (bunle): New expander.
5077 (bunlt): New expander.
5078 (bltgt): New expander.
5080 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
5081 (ccr_bit_negated_p): New function.
5082 (print_operand): For %C, generate appropriate cror for UNEQ,
5083 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
5085 2000-03-20 Andreas Jaeger <aj@suse.de>
5087 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
5090 * tree.h (safe_for_unsave): Prototype.
5092 2000-03-20 Richard Henderson <rth@cygnus.com>
5094 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
5095 (combine_stack_adjustments_for_block): Don't allow sp references
5096 in the side of a set we're not fixing up.
5097 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
5098 after life_analysis.
5100 2000-03-20 Richard Henderson <rth@cygnus.com>
5102 * calls.c (expand_call): Don't bother generating tail call
5103 sequences if there are pending cleanups. Use
5104 expand_start_target_temps/expand_end_target_temps to elide
5105 cleanups created during sibcall expansion.
5107 2000-03-20 Geoff Keating <geoffk@cygnus.com>
5109 * configure.in: Set $IFS to a value if it doesn't already have one
5110 in the --enable-checking handling.
5111 * configure: Regenerate.
5113 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5115 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
5116 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
5119 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
5121 * jump.c (delete_noop_moves): Remove code attempting to
5122 combine stack adjustments.
5124 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5126 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
5127 * except.c (emit_cleanup_handler): Use them.
5128 (expand_end_all_catch): Likewise.
5129 * function.c (fixup_var_refs): Likewise.
5130 (expand_function_end): Clear catch_clauses_last.
5131 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
5132 * except.h (struct eh_status): New field x_catch_clauses_last.
5133 (catch_clauses_last): New define.
5135 * Makefile.in (tree.o): Depend on HASHTAB_H.
5136 * tree.c: Include hashtab.h.
5137 (struct type_hash): Remove next field.
5138 (TYPE_HASH_SIZE): Remove.
5139 (TYPE_HASH_INITIAL_SIZE): New define.
5140 (type_hash_table): Change type to htab_t.
5141 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
5142 mark_hash_entry): New functions.
5143 (init_obstacks): Allocate type hash.
5144 (type_hash_lookup): Use htab functions.
5145 (type_hash_add, mark_type_hash): Likewise.
5146 (dump_tree_statistics): Call print_type_hash_statistics.
5148 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5150 * rs6000/t-aix41: New file.
5152 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
5154 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
5156 * tm.texi (Driver): Fix typos and tweak entry for
5158 Move misplaced STRUCT_FORCE_BLK entry ...
5159 (Storage Layout): ... to here.
5160 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
5162 2000-03-19 Richard Henderson <rth@cygnus.com>
5164 * flow.c (delete_block): Delete the addr_vec along with the block.
5165 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
5168 * fold-const.c (extract_muldiv): Apply type check for defined
5169 overflow to multiply as well as divide.
5171 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
5173 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5175 * emit-rtl.c (remove_unncessary_notes): Check that all
5176 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
5177 associated NOTE_BLOCK.
5178 * function.h (identify_blocks): Update comments.
5179 (reorder_blocks): Declare.
5180 * function.c (identify_blocks): Don't take paramters.
5181 (reorder_blocks): Don't take parameters.
5182 * loop.h (find_loop_tree_blocks): Remove.
5183 (unroll_block_trees): Likewise.
5184 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
5185 reorder_blocks instead of unroll_block_trees.h
5186 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
5187 * stmt.c (find_loop_tree_blocks): Remove.
5188 (unroll_block_trees): Likewise.
5189 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
5190 in whole-function mode.
5191 * tree.h (reorder_blocks): Remove declaration.
5193 * expr.c: Include intl.h.
5194 * Makefile.in (expr.o): Depend on intl.h.
5196 2000-03-18 Richard Henderson <rth@cygnus.com>
5198 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
5200 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5202 * tree.h (tree_index): Remove enumerals for integer types.
5203 (integer_type_kind): New type.
5204 (integer_types): New variable.
5205 (char_type_node): Adjust.
5206 (signed_char_type_node): Likewise.
5207 (unsigned_char_type_node): Likewise.
5208 (short_integer_type_node): Likewise.
5209 (short_unsigned_type_node): Likewise.
5210 (integer_type_node): Likewise.
5211 (unsigned_type_node): Likewise.
5212 (long_integer_type_node): Likewise.
5213 (long_unsigned_type_node): Likewise.
5214 (long_long_integer_type_node): Likewise.
5215 (long_long_unsigned_type_node): Likewise.
5216 * tree.c (integer_types): New variable.
5217 (init_obstacks): Register it as a root.
5219 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
5221 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
5222 NEXT_INSN. Update last insn in chain.
5224 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
5226 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
5227 with TYPE_DECL_SUPPRESS_DEBUG set.
5229 2000-03-18 Richard Henderson <rth@cygnus.com>
5231 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
5233 2000-03-18 Richard Henderson <rth@cygnus.com>
5235 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
5236 care for HALF_PIC_P.
5237 (expander_call_insn_operand): Remove.
5238 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
5239 * i386.h (PREDICATE_CODES): Update.
5240 * i386.md (all call expanders): Remove predicates, remove special
5241 handling for half-pic.
5242 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
5243 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
5244 (sibcall_epilogue): New.
5246 2000-03-17 Richard Henderson <rth@cygnus.com>
5248 * rtlanal.c (single_set): Reject if the parallel has anything
5249 except SET or USE or CLOBBER.
5251 2000-03-17 Jeff Law <law@cygnus.com>
5252 Richard Henderson <rth@cygnus.com>
5254 * Makefile.in (OBJS): Add sibcall.o.
5256 * sibcall.c: New file.
5257 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
5258 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
5259 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
5260 Emit sibcall patterns when requested. Update all callers.
5261 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
5262 elimination seems feasable.
5263 * final.c (leaf_function_p): Sibling calls don't discount being
5265 * flow.c (HAVE_sibcall_epilogue): Provide default.
5266 (find_basic_blocks_1): Sibling calls don't throw.
5267 (make_edges): Make edge from sibling call to EXIT.
5268 (propagate_block): Don't remove sibcall_epilogue insns.
5269 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
5270 (sibcall_epilogue): New.
5271 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
5272 (identify_blocks_1): Likewise. Break out from ...
5273 (identify_blocks): ... here.
5274 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
5275 (reorder_blocks): ... here.
5276 (init_function_for_compilation): Zap prologue/epilogue as varrays.
5277 (record_insns): Extend a varray instead of mallocing new memory.
5278 (contains): Read a varray not array of ints.
5279 (sibcall_epilogue_contains): New.
5280 (thread_prologue_and_epilogue_insns): Emit and record
5281 sibcall_epilogue patterns.
5282 (init_function_once): Allocate prologue/epilogue varrays.
5283 * genflags.c (gen_insn): Treat sibcall patterns as calls.
5284 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
5286 (save_for_inline_nocopy): ... here.
5287 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
5289 (expand_inline_function): ... here.
5290 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
5291 (subst_constants): Handle 'n' formats.
5292 * jump.c (jump_optimize_minimal): New.
5293 (jump_optimize_1): New arg `minimal'; update callers. Elide most
5294 optimizations if it's set.
5295 * rtl.c (copy_rtx): Do copy jump & call for insns.
5296 * rtl.h (struct rtx_def): Document use of jump and call for insns.
5297 (SIBLING_CALL_P): New.
5298 (sibcall_use_t): New.
5299 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
5300 Invoke optimize_sibling_and_tail_recursive_calls.
5301 * tree.c (lang_safe_for_unsave): New.
5302 (safe_for_unsave): New.
5303 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
5305 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
5306 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
5307 (*sibcall_osf_1, *sibcall_value_osf_1): New.
5309 2000-03-17 Mark Mitchell <mark@codesourcery.com>
5311 * objc/objc-act.c (encode_method_prototype): Pass types, not
5312 PARM_DECLs, to int_size_in_bytes.
5314 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
5316 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
5318 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5319 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
5321 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5323 * Clean up usages of TREE_INT_CST_LOW.
5324 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
5325 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
5327 * c-tree.h (min_precision): Move declaration to here.
5328 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
5329 (build_unary_op, add_pending_init): Use bit_position.
5330 (pending_init_member, process_init_element): Likewise.
5331 (really_start_incremental_init, push_init_level, pop_init_level):
5332 Don't make copies of nodes or modify them in place, use consistent
5333 types when tracking positions, and use tree routines computations.
5334 (set_init_index, output_init_element): Likewise.
5335 (output_pending_init_elements, process_init_element): Likewise.
5336 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
5337 tree_low_cst and int_bit_position; also minor cleanup.
5338 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
5339 (print_cst_octal): Precision is unsigned.
5340 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
5341 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
5342 (simple_type_align_in_bits): Result is unsigned int.
5343 Use tree_int_low_cst and host_integerp.
5344 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
5345 (field_byte_offset): Result is HOST_WIDE_INT.
5346 Change types of internal variables so alignments are unsigned int,
5347 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
5348 Use host_integerp, tree_low_cst, and int_bit_position.
5349 (add_bit_offset_attribute): Likewise.
5350 (add_data_member_location_attribute): Use tree_cst_low.
5351 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
5352 (add_bit_size_attribute): Use tree_low_cst.
5353 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
5354 * dwarfout.c: Similar changes to dwarf2out.c.
5355 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
5356 * genoutput.c (n_occurences): Return -1 for null string.
5357 (strip_whitespace): Accept null string and make into function.
5358 (scan_operands): Reflect above changes.
5359 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
5360 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
5361 * ssa.c (rename_registers): Add missing cast of arg to bzero.
5362 * tree.c (int_size_in_bytes): Check for too big to represent.
5363 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
5364 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
5366 (min_precision): Delete from here.
5367 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
5368 and int_bit_position.
5369 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
5370 (encode_method_def): Likewise.
5371 (build_ivar_list_initializer): Use int_bit_position.
5372 (generate_shared_structures): Convert size.
5373 (encode_type, encode_complete_bitfield): Use integer_zerop.
5374 (encode_bitfield): Use tree_low_cst and int_bit_position.
5376 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5378 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
5380 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5382 * call.c (special_function_p): It is only malloc if it returns
5385 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5387 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
5388 (C33_FLAG, TARGET_C3X): Add macros.
5389 (TARGET_SWITCHES): Add -m33 option.
5390 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
5392 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5394 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
5395 (PARALLEL_PACK_FLAG): Delete.
5396 (TARGET_SWITCHES): Update.
5397 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
5399 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5401 * fold-const.c (fold): Fix a few cases when the returned result
5402 is not of the same type as the input.
5404 2000-03-16 Nick Clifton <nickc@cygnus.com>
5406 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
5409 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5411 * libgcc2.h: Move prototypes above macros with the same name.
5412 Wrap some function prototypes in the conditional which indicates
5413 whether they are supported, i.e. "BITS_PER_UNIT == 8".
5415 2000-03-16 Richard Henderson <rth@cygnus.com>
5417 * calls.c: Revert last two changes.
5419 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
5421 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
5422 has exponent 0 is a zero.
5424 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
5425 HASH may already be nonzero. Add code/mode into hash value
5426 immediately after repeat label.
5427 (cselib_lookup): Don't leave the hash table in an inconsistent
5428 state before a hash lookup operation.
5430 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
5432 * i386.md (all HI and QI mode non-move patterns): Conditionize
5433 by TARGET_[HQ]IMODE_MATH.
5434 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5435 x86_promote_qi_regs): Declare.
5436 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
5437 TARGET_PROMOTE_QI_REGS): New macros.
5438 (PROMOTE_MODE): New macro.
5439 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5440 x86_promote_qi_regs): New global variables.
5442 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
5444 * calls.c (emit_library_call_value_1): Break out from ...; handle
5445 VOIDmode function calls too.
5446 (emit_library_call_value): ... here.
5447 (emit_library_call): Implement by calling emit_library_call_value_1.
5449 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
5451 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
5452 Update arg_space_so_far on stack adjustments.
5453 (emit_library_call, emit_library_call_value): Likewise; take into
5454 account arg_space_so_far and pending_stack_adjust when calculcating
5457 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
5459 * flow.c: Move all basic block reordering code into its own file.
5460 (create_basic_block): Externalize.
5461 * bb-reorder.c: New file. Copy all basic block reordering code from
5462 flow.c to this file.
5463 (reorder_basic_blocks): Fix fencepost error in for-loop.
5464 (reorder_basic_blocks): Remove braces from single statement for-loops.
5465 * basic-block.h: Add declaration for create_basic_block.
5466 * Makefile.in: Add rules for bb-reorder.o.
5468 2000-03-16 Neil Booth <NeilB@earthling.net>
5470 * cppinit.c (handle_option): Implement #unassert directive
5471 as -A- command line option.
5472 (print_help): Update.
5473 * cpptexi.c: Update.
5475 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
5477 * md.texi (Standard Names): Document `jump'.
5479 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5481 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
5484 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5486 Merge changes from newppc-branch onto trunk.
5488 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5490 * rs6000.c (toc_hash_table): Update for new hash table functions.
5491 (toc_hash_function): Likewise.
5492 (toc_hash_eq): Likewise.
5493 (toc_hash_mark_entry): Likewise.
5494 (toc_hash_mark_table): Likewise.
5495 (output_toc): Likewise.
5496 (rs6000_add_gc_roots): Likewise.
5498 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5500 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5501 (AR_FLAGS_FOR_TARGET): here. New macro.
5503 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5505 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5506 fpmem_operand) Delete.
5508 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5509 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5510 (rs6000_save_machine_status, rs6000_restore_machine_status,
5511 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5512 references to above variables.
5513 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5514 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5515 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5516 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5517 (XER_REGNO_P, XER_REGNO): New.
5518 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5519 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5520 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5522 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5523 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5524 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5526 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5528 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5529 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5530 * rs6000.h: from here.
5532 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5533 (rs6000_select_rtx_section): Likewise.
5534 (rs6000_encode_section_info): Likewise.
5535 (sdata_section): Likewise.
5536 (sdata2_section): Likewise.
5537 (sbss_section): Likewise.
5538 * sysv4.h (rs6000_select_section): Delete prototype.
5539 (rs6000_select_rtx_section): Likewise.
5540 (rs6000_encode_section_info): Likewise.
5541 (sdata_section): Likewise.
5542 (sdata2_section): Likewise.
5543 (sbss_section): Likewise.
5544 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5546 * sysv4.h: Delete various unnecessary #undef's and put a comment
5547 on the remaining ones.
5548 Change various comments according to coding standard.
5550 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5552 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5553 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5554 (CR0_REGNO_P) Remove.
5555 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5556 setup_incoming_varargs, mtcrf_operation, print_operand,
5557 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5558 Use the above macros.
5560 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5562 * config/rs6000/rs6000.md: Added a new alternative for each
5563 pattern that had a 'x' alternative but no 'y' alternative.
5564 Added a new split for each of the above patterns.
5566 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5568 * aix41.h (ASM_CPU_SPEC): Delete.
5569 (CPP_CPU_SPEC): Delete.
5571 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5572 (ASM_OUTPUT_LABEL): Define.
5573 (ASM_GLOBALIZE_LABEL): Define.
5574 (STRIP_NAME_ENCODING): Define.
5575 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5576 (STRIP_NAME_ENCODING): Don't define.
5577 (ASM_OUTPUT_LABEL): Don't define.
5578 (ASM_GLOBALIZE_LABEL): Don't define.
5579 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5580 names, and ASM_OUTPUT_LABEL to output labels, rather than
5582 (ASM_OUTPUT_LABEL): Define.
5583 (ASM_OUTPUT_INT): Use assemble_name.
5584 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5585 (STRIP_NAME_ENCODING): Don't undefine first.
5586 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5588 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5589 specified with 'asm' even with -fleading-underscore.
5590 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5591 (output_epilog): Likewise.
5592 (output_toc): Likewise.
5593 * tramp.asm: Handle -fleading-underscore correctly.
5595 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5597 (nonlocal_goto_receiver): Delete.
5598 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5600 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5601 (SET_ASM_OP): Define.
5602 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5604 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5607 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5608 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5610 * rs6000.h: Add 'u' to more constants.
5612 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5614 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5616 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5618 * rs6000.c (reg_or_u_cint_operand): New function.
5619 (logical_operand): Handle 64-bit hosts.
5620 (logical_u_operand): New function.
5621 (non_logical_cint_operand): Handle 64-bit hosts.
5622 (non_logical_u_cint_operand): New function.
5623 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5624 (PREDICATE_CODES): Define new functions.
5625 * rs6000-protos.h: Declare new functions.
5626 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5627 (movdi_64): Bracket code intended for 64-bit hosts. Create
5628 CONST_DOUBLE for 32-bit values.
5629 (scc insns): Generate DImode compares.
5630 (mfcr insns): Create DImode versions.
5631 (sge matchers): New patterns.
5633 2000-02-15 Gabriel Paubert <paubert@iram.es>
5635 * rs6000.md: Correct instructions length attributes and
5636 constraints on unsigned compare instructions.
5637 (*ne0): Disable for PowerPC64.
5639 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5641 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5642 quantity, fix profile1.C test failure under -fPIC.
5644 * rs6000.c: Add 'u' to many constants to suppress warnings.
5645 (constant_pool_expr_1): Make static.
5646 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5647 * rs6000.h: Add 'u' to many constants to suppress warnings.
5649 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5650 for the start of the TOC, instead of LCTOC..0.
5651 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5653 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5654 (load_toc_aix_di): Use LCTOC..1.
5656 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5657 * rs6000.c (rs6000_legitimize_address): New function from
5658 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5659 symbols in the constant pool that really are TOC references.
5660 (print_operand_address): For ELF, write TOC offsets under
5661 -fPIC as subtractions in the insn.
5662 (output_toc): For ELF, define symbols in TOC as normal labels,
5664 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5665 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5666 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5667 * rs6000.md (movsi): Only use create_TOC_reference on
5668 symbols in the constant pool that really are TOC references.
5670 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5671 * rs6000.c (rs6000_reorg): Delete.
5672 * rs6000-protos.h (rs6000_reorg): Delete.
5674 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5676 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5678 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5679 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5680 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5681 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5682 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5683 rs6000_aix_emit_builtin_unwind_init.
5684 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5685 rs6000_emit_eh_toc_restore on AIX.
5686 (return_eh_si): Use r2.
5687 (return_eh_di): Use r2.
5689 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5690 since we're breaking binary compatibility anyway.
5692 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5694 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5695 constant_pool_expr_p): Declare them.
5696 (constant_pool_expr_p): Declare it.
5697 * config/rs6000/rs6000.c (toc_label_name): Define.
5698 (rs6000_override_options): Set toc_label_name.
5699 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5700 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5701 uses_TOC): New functions.
5702 (print_operand): Delete old '*' case.
5703 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5704 and strip off rtl for TOC before calling output_addr_const.
5705 (rs6000_emit_load_toc_table): Use toc_label_name.
5706 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5708 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5709 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5710 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5711 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5712 into explicit TOC_REGISTER offsets.
5713 (TOC_REGISTER): New macro.
5714 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5715 TARGET_TOC to reference TOC_REGISTER.
5716 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5717 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5718 uses_TOC before emitting label references.
5720 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5722 * rs6000.md (stack_tie): Fix warning.
5724 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5725 to handle -fleading-underscore.
5726 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5727 (USER_LABEL_PREFIX): New macro.
5728 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5729 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5730 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5731 call-linux can use the same multilibs.
5732 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5733 and call-linux multilibs. Do multilib with -fleading-underscore.
5734 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5735 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5738 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5739 have MASK_SOFT_FLOAT set.
5740 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5741 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5742 CPP_FLOAT_DEFAULT_SPEC.
5744 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5745 * rs6000.md: Whitespace change.
5746 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5747 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5749 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5751 * rs6000.md (eh_epilogue): New expander.
5752 (eh_reg_restore): New expand/split/insn combination.
5753 (return_eh_si): New insn.
5754 (return_eh_di): New insn.
5756 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5757 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5758 * eabi-ctors.c (__do_global_ctors): Register this object's
5759 frame. Clean up. Call atexit() after the constructors.
5760 (__do_global_dtors): Deregister this object's frame. Clean up.
5761 Allow for recursive calls to exit().
5762 * rs6000.c (fixuplabelno): New variable.
5763 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5764 TARGET_RELOCATABLE, it slows down exec() under linux.
5765 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5767 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5768 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5769 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5770 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5771 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5772 (ASM_OUTPUT_DWARF_ADDR): New macro.
5773 (ASM_OUTPUT_DWARF_DATA4): New macro.
5774 (ASM_OUTPUT_DWARF_DATA2): New macro.
5775 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5776 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5777 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5779 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5781 * rs6000.c (rs6000_sr_alias_set): New variable.
5782 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5783 (rs6000_emit_stack_tie): New function.
5784 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5785 in a way that dwarf2out can understand.
5786 (rs6000_frame_related): New function.
5787 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5788 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5789 Use rs6000_emit_stack_tie when needed.
5790 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5791 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5792 * rs6000.md (stack_tie): New insn.
5793 (return_internal_si): Allow return value to be in the count
5795 (return_internal_di): Likewise.
5797 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5799 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5801 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5803 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5805 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5807 * rs6000.md (stmw): Use the right POWER opcode.
5810 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5812 * rs6000-protos.h: New file.
5814 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5816 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5819 * sysv4.h: Likewise.
5821 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5823 * ../../configure.in: Delete powerpcle-*-winnt*
5824 and powerpcle-*-pe|powerpcle-*-cygwin*.
5825 * ../../configure: Regenerated.
5827 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5828 (TARGET_WINDOWS_NT): Delete.
5830 (CALL_NT_DLLIMPORT): Delete.
5831 Delete NT-specific code.
5832 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5835 * nt-ci.asm: Delete.
5836 * nt-cn.asm: Delete.
5837 * ntstack.asm: Delete.
5839 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5841 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5842 (ASM_FILE_START): Likewise.
5843 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5844 (ASM_OUTPUT_LABELREF): Likewise.
5845 (ASM_OUTPUT_SKIP): Likewise.
5846 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5847 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5848 (ASM_OUTPUT_CASE_LABEL): Likewise.
5849 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5850 (ASM_OUTPUT_ASCII): Likewise.
5852 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5854 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5855 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5856 increment rs6000_pic_labelno here.
5857 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5858 and increment rs6000_pic_labelno here.
5860 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5862 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5863 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5864 allocation knows (reg) is dead before the insn.
5866 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5868 * rs6000.md (movsi_to_cr): Correct typo in output template.
5870 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5872 * rs6000.c (rs6000_pic_labelno): Always define.
5873 (rs6000_pic_func_labelno): Delete.
5874 (lmw_operation): Check for a zero base register,
5875 which doesn't mean what we want.
5876 (stmw_operation): New function.
5877 (print_operand): Define new 'l' modifier.
5878 (rs6000_stack_info): We must save all 64 bits of the registers
5879 if TARGET_POWERPC64.
5880 (rs6000_output_load_toc_table): Delete.
5881 (rs6000_emit_load_toc_table): New function.
5882 (rs6000_allocate_stack_space): Delete.
5883 (rs6000_emit_allocate_stack): New function.
5884 (rs6000_emit_prologue): New function.
5885 (output_prolog): Use rs6000_emit_prologue.
5886 (rs6000_emit_epilogue): Change a few variable names to be
5887 more accurate. Restore all 64 bits of the registers if
5888 TARGET_POWERPC64. Only restore the FP registers which were used
5889 if they are being saved/restored one-at-a-time.
5890 (output_mi_thunk): Delete inefficient code generation.
5891 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5892 * rs6000.h: Declare rs6000_emit_load_toc_table,
5893 rs6000_allocate_stack_space, stmw_operation. Don't declare
5894 rs6000_output_load_toc_table.
5895 * rs6000.md (elf_high): Allow register 0, but discourage it
5897 (elf_low): Support loading into register 0.
5898 (load_toc_aix_si): New pattern.
5899 (load_toc_aix_di): New pattern.
5900 (load_toc_v4_pic_si): New pattern.
5901 (load_toc_v4_pic_di): New pattern.
5902 (load_toc_v4_PIC_1): New pattern.
5903 (load_toc_v4_PIC_1b): New pattern.
5904 (load_toc_v4_PIC_2): New pattern.
5905 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5906 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5907 (prologue): New expander.
5908 (movesi_from_cr): New pattern.
5909 (stmw): New pattern.
5910 (save_fpregs_si): New pattern.
5911 (save_fpregs_di): New pattern.
5913 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5915 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5920 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5922 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5924 (movsi_got_internal): Likewise.
5925 (movsi_got_internal+1): Likewise.
5926 (set_sp): 'unspec 7' does a SImode clobber.
5928 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5930 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5931 allocate a stack temporary.
5932 (floatsidf2_internal): Likewise.
5933 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5935 (floatunssidf2): Don't use the fpmem "register", just
5936 allocate a stack temporary.
5937 (floatunssidf2_internal): Likewise.
5938 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5940 (floatsidf2_loadaddr): Delete.
5941 (floatsidf2_store1): Delete.
5942 (floatsidf2_store2): Delete.
5943 (floatsidf2_load): Delete.
5944 (fix_truncdfsi2): Don't use the fpmem "register", just
5945 allocate a stack temporary.
5946 (fix_truncdfsi2_internal_si): Delete.
5947 (fix_truncdfsi2_internal_di): Delete.
5948 (fix_truncdfsi2_internal): New insn.
5949 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5950 (fix_truncdfsi2_store): Delete.
5951 (fix_truncdfsi2_load): Delete.
5952 (fctiwz): Produce gen_fctiwz.
5954 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5956 * eabi.h (INVOKE__main): Define.
5957 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5959 (rs6000_emit_prologue): Likewise.
5960 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5961 this is the main program.
5963 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5965 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5967 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5969 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5970 goes after the argument.
5972 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5974 * rs6000.md: Document 'unspec' values used.
5975 (epilogue): New expander.
5976 (movesi_to_cr_one): New expander.
5977 (movesi_to_cr and following): New pattern.
5979 (return_internal_si): New pattern.
5980 (return_internal_di): New pattern.
5981 (return_and_restore_fpregs_si): New pattern.
5982 (return_and_restore_fpregs_di): New pattern.
5983 * rs6000.h: Declare new functions.
5984 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5985 rather than rs6000_calls_p.
5986 (rs6000_makes_calls): Delete.
5987 (lmw_operation): New function.
5988 (mtcrf_operation): New function.
5989 (rs6000_emit_epilogue): New function.
5990 (output_epilog): Call rs6000_emit_epilogue and final if
5991 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5993 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5995 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5996 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5997 * aix.h (SUBTARGET_SWITCHES): Document switches.
5998 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5999 sched-prolog and sched-epilog the same. Document all the
6001 (TARGET_OPTIONS): No longer allow -mdebug-.
6003 2000-01-12 Geoff Keating <geoffk@cygnus.com>
6005 * rs6000.h (ASM_FILE_END): Move to aix.h.
6006 (EXTRA_SECTIONS): Move to aix.h.
6007 (READONLY_DATA_SECTION): Move to aix.h.
6008 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
6009 (SELECT_SECTION): Move to aix.h.
6010 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
6011 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
6012 (LINK_REGISTER_REGNUM): New definition.
6013 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
6014 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
6016 * sysv4.h: Delete the code between the inclusion of rs6000.h
6018 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
6019 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
6020 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
6021 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
6022 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
6023 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
6024 (fix_truncdfsi2_internal_di): New pattern.
6025 (fix_truncdfsi2_store): The second arg here is Pmode too.
6026 (fix_truncdfsi2_load): The second arg here is Pmode too.
6027 (tablejumpdi): Now that switch tables hold only SImode values,
6028 gcc needs to know how to add them to the pc which is DImode.
6029 * rs6000.c (rs6000_stack_info): Use symbolic name for
6030 LINK_REGISTER_REGNUM.
6031 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
6032 (output_toc): Delete unused variables s1 and s2.
6033 (output_ascii): Use fputs not fprintf on a variable string.
6035 2000-01-07 David Edelsohn <edelsohn@gnu.org>
6037 * rs6000.c (processor_target_table): Add power3 as alias for 630.
6038 * aix43.h: Revert Aug 2 change.
6039 (HAS_INIT_SECTION): Define, not visible yet.
6040 (LD_INIT_SWITCH): Define, not visible yet.
6041 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
6043 2000-01-04 Joel Sherrill (joel@OARcorp.com>
6045 * config/rs6000/rtems.h: Include config/rtems.h.
6047 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6049 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
6050 (SLOW_UNALIGNED_ACCESS): Define.
6051 (CASE_VECTOR_MODE): Always use 32-bit offsets.
6052 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
6053 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
6054 (toc_section): Likewise and .toc pseudo-op.
6055 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
6057 (TEXT_SECTION_ASM_OP): Likewise.
6058 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
6061 1999-12-17 Jakub Jelinek <jakub@redhat.com>
6063 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
6064 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
6067 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6069 * rs6000.h: Move more stuff from here...
6071 * sysv4.h: Cleanup accordingly.
6072 * netware.h: Likewise
6074 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6076 * rs6000.h: Continue cleanup.
6079 * netware.h: Likewise.
6081 * sysv4.h: Likewise.
6082 * win-nt.h: Likewise.
6084 * rs6000.h (TARGET_SWITCHES): Add descriptions.
6085 (TARGET_OPTIONS): Likewise.
6087 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
6088 (SUBTARGET_OPTIONS): Likewise.
6090 * rs6000.md: Fix compile time warnings.
6092 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6094 vxworks patches from the Cygnus tree originally by
6095 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
6096 <vmakarov@cygnus.com>.
6097 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
6098 (ENDFILE_SPEC): Likewise.
6099 (LIB_VXWORKS_SPEC): New macro.
6100 (STARTFILE_VXWORKS_SPEC): New macro.
6101 (ENDFILE_VXWORKS_SPEC): New macro.
6102 (LINK_START_VXWORKS_SPEC): New macro.
6103 (LINK_OS_VXWORKS_SPEC): New macro.
6104 (CPP_OS_VXWORKS_SPEC): New macro.
6105 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
6106 * vxppc.h: Rewrite to use proper configuration method.
6107 * vxppcle.h: New file.
6108 * ../../configure.in: Add powerpcle-wrs-vxworks*.
6109 * ../../configure: Rebuilt.
6111 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6113 Lots of changes to rs6000.h, sysv4.h, aix.h,
6114 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
6115 with the aim that rs6000.h is the first header
6116 included and the others override it.
6119 * x-aix41-gld: Remove.
6121 * x-aix41: Remove target-specific switches, and don't specify
6122 -Wl,-bbigtoc as we don't need it any more.
6123 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
6124 Use t-aix43 for AIX 4.3 and above.
6125 * ../../configure: Regenerated.
6127 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
6128 options, that don't do anything yet.
6129 (MASK_SCHED_PROLOG): New macro.
6130 (MASK_SCHED_EPILOG): New macro.
6131 (TARGET_SCHED_PROLOG): New macro.
6132 (TARGET_SCHED_EPILOG): New macro.
6134 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6136 * rs6000.c: Correct comment, the `minimal' TOCs are actually
6137 one per translation unit, not one per function.
6138 (output_toc): Also do duplicate constant elimination
6139 for per-translation-unit TOCs.
6141 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
6142 a comment explaining _exactly_ when this pattern gets used.
6143 (builtin_setjmp_receiver): New pattern for better clarity.
6144 (init_v4_pic): Move it into a section dealing with TOC registers.
6146 1999-12-30 Geoff Keating <geoffk@cygnus.com>
6148 * rs6000.c (toc_hash_table): New variable.
6149 (rs6000_hash_constant): New function.
6150 (toc_hash_function): New function.
6151 (toc_hash_eq): New function.
6152 (toc_hash_mark_entry): New function.
6153 (toc_hash_mark_table): New function.
6154 (output_toc): Don't output duplicate TOC entries in
6156 (rs6000_add_gc_roots): Add the hash table as a GC root.
6157 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
6158 where they clearly shouldn't be. This may need to be fixed
6159 later when there is a GNU ar for AIX.
6160 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
6161 Don't define BOOT_LDFLAGS as it is now not necessary.
6163 1999-12-29 Geoff Keating <geoffk@cygnus.com>
6165 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
6166 for va_list on AIX. Use unsigned_char_type_node rather than
6167 constructing our own version on svr4.
6169 1999-12-17 Geoff Keating <geoffk@cygnus.com>
6171 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
6172 since patently it's not.
6174 1999-12-08 Geoff Keating <geoffk@cygnus.com>
6176 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
6177 define_expand/define_insn pair, and handle restore of the
6178 SVR4 -fpic register.
6180 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
6182 * acconfig.h (HAVE_GAS_WEAK): New define.
6183 * configure.in (assembler weak support): Check for .weak support.
6184 * config.in, configure: Rebuilt.
6185 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
6186 HAVE_GAS_WEAK is defined.
6188 2000-03-15 Nick Clifton <nickc@cygnus.com>
6190 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
6193 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
6195 * cppfiles.c (open_include_file): New function.
6196 (find_include_file, cpp_read_file): Use it.
6198 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
6200 * cpphash.c (dump_hash_helper): Take the slot, not the element.
6202 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
6204 * flow.c (verify_flow_info): Check for unconditional return.
6206 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
6208 * config/ia64/ia64.md (restore_stack_nonlocal): New.
6209 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
6210 (__ia64_restore_stack_nonlocal): New.
6211 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
6213 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6215 * cpphash.c (collect_formal_parameters): Do not complain about
6216 parameter names that just start with `__VA_ARGS__'.
6218 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
6220 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
6221 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
6222 * i386.c (pentiumpro_cost): Set mul cost to 4.
6223 (x86_use_movx): Set for PPro.
6225 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
6227 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
6228 STACK_BOUNDARY for empty frames now.
6230 2000-03-14 Mark Mitchell <mark@codesourcery.com>
6232 * stor-layout.c (layout_union): Remove.
6233 (layout_union_field): New function, split out from layout_union.
6234 (finish_union_layout): Likewise.
6235 (layout_field): Handle unions by calling layout_union_field.
6236 (finish_record_layout): Handle unions.
6237 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
6238 QUAL_UNION_TYPE handling.
6240 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
6242 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
6243 end of basic block is jump_insn, not barrier; use create_basic_block
6244 instead of creating basic block by hand.
6246 2000-03-14 Jason Eckhardt <jle@cygnus.com>
6248 * flow.c (reorder_basic_blocks): Account for barriers when writing
6249 over NEXT_INSN (last_bb->end).
6250 (verify_flow_info): Add check for missing barriers.
6252 2000-03-14 Greg McGary <gkm@gnu.org>
6254 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
6255 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
6256 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
6257 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
6258 __unbounded, __unbounded__): New keywords.
6259 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
6260 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
6261 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
6263 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
6265 * cselib.h: New file.
6266 * alias.c: Include "cselib.h".
6267 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
6268 MEMs as two new arguments.
6269 (get_addr): New static function.
6270 (find_base_term): Handle VALUEs.
6271 (memrefs_conflict_p): Likewise.
6272 (true_dependence): Call get_addr on the addresses.
6273 Call fixed_scalar_and_varying_struct_p with addresses that have been
6274 passed through get_addr and canon_rtx.
6275 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
6276 with true_dependence.
6277 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
6278 * loop.c: Include "cselib.h".
6279 (load_mems): Process extended basic block that enters the loop with
6280 cselib. Use that information to change initialization of the shadow
6281 register so that a constant equivalence is seen by later passes.
6282 * reload1.c: Include "cselib.h".
6283 (reload_cse_invalidate_regno): Delete function.
6284 (reload_cse_mem_conflict_p): Likewise.
6285 (reload_cse_invalidate_mem): Likewise.
6286 (reload_cse_invalidate_rtx): Likewise.
6287 (reload_cse_regno_equal_p): Likewise.
6288 (reload_cse_check_clobber): Likewise.
6289 (reload_cse_record_set): Likewise.
6290 (reg_values): Delete static variable.
6291 (invalidate_regno_rtx): Likewise.
6292 (reload_cse_delete_noop_set): New static function.
6293 (reload_cse_simplify): New static function, broken out of
6295 (reload_cse_noop_set_p): Delete unused argument INSN.
6296 Just call rtx_equal_for_cselib_p on set source and destination.
6297 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
6298 reload_cse_delete_noop_set. Delete code to keep track of values; use
6299 cselib functions instead. Delete code to push/pop obstacks.
6300 (reload_cse_simplify_set): Use cselib to find equivalent values.
6301 Delete code to push/pop obstacks.
6302 (reload_cse_simplify_operands): Likewise.
6303 * rtl.def (VALUE): New rtx code.
6304 * rtl.h (union rtunion_def): New elt rt_cselib.
6305 (X0CSELIB, CSELIB_VAL_PTR): New macros.
6306 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
6307 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
6308 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
6309 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
6310 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
6311 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
6312 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
6313 cselib_record_set, cselib_record_sets): New static functions.
6314 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
6315 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
6316 references_value_p): New functions.
6317 (MAX_USELESS_VALUES, REG_VALUES): New macros.
6318 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
6319 n_useless_values, reg_values, callmem, cselib_obstack,
6320 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
6321 New static variables.
6322 * varray.h (union varray_data_tag): New elt te.
6323 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
6324 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
6327 2000-03-14 Nick Clifton <nickc@cygnus.com>
6329 * gcc.c (do_spec_1): Catch the case where %* is used in a
6330 substitution pattern, but it has not been initialised.
6331 Issue a meaningful error message if an unrecognised operator
6332 is encountered in a spec string.
6334 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
6336 * function.c (prepare_function_start): Correctly initialize
6337 cfun->stack_alignment_needed.
6339 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
6341 * cppfiles.c (find_include_file): Don't assume nshort is a
6344 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
6346 * configure.in (hppa configurations): Add pa32-regs.h to the
6347 list of tm files as appropriate.
6348 * configure: Rebuilt.
6349 * pa.c (compute_frame_size): Remove explicit knowledge about FP
6351 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
6352 (fmpyaddoperands, fmpysuboperands): Likewise.
6353 * pa.h: Remove various definitions which depend on knowing
6354 how registers are numbered.
6355 * pa32-regs.h: New file with PA32 register numbering specific
6358 2000-03-14 Richard Henderson <rth@cygnus.com>
6360 * regmove.c (combine_stack_adjustments): New.
6361 (stack_memref_p, single_set_for_csa): New.
6362 (free_csa_memlist, record_one_stack_memref): New.
6363 (try_apply_stack_adjustment): New.
6364 (combine_stack_adjustments_for_block): New.
6365 * rtl.h (combine_stack_adjustments): Declare.
6366 * toplev.c (rest_of_compilation): Call it.
6368 * i386.md: Revert 2000-01-16 change.
6370 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6372 * gccbug.in: Add web category, gcc specific classes.
6374 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
6376 * stor-layout.c (finalize_record_size): Fix typo.
6378 2000-03-14 Stan Shebs <shebs@apple.com>
6380 * c-typeck.c (c_alignof): Error on incomplete types.
6381 * extend.texi (Alignment): Document this.
6383 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6385 * cppfiles.c: Include mkdeps.h.
6386 (find_include_file, read_include_file): Remove _cpp_ prefix
6387 from name, make static.
6388 (_cpp_execute_include): New function, broken out of
6391 * cpplib.c: Don't include mkdeps.h.
6392 (struct directive): Remove type field. Reorder entries. The
6393 function takes only one argument.
6394 (struct if_stack): Make type field an int.
6395 (directive_table): Rename to dtable. Generate it, the
6396 prototypes of the directive handlers, and the enum for the
6397 directive numbers, from a template macro.
6398 (do_ifndef, do_include_next, do_import): New functions.
6399 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
6400 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
6401 do_ident, do_assert, do_unassert, do_sccs): Take only one
6403 (do_sccs): Define always, but alter behavior based on
6405 (_cpp_handle_directive, consider_directive_while_skipping):
6406 Restructure for new directive table layout.
6408 (pass_thru_directive): Take a directive number, not a pointer
6409 to a struct directive.
6410 (parse_include): New function, broken out of do_include.
6411 (do_include, do_import, do_include_next): Use parse_include
6412 and _cpp_execute_include.
6413 (do_elif, do_else): Test for T_ELSE specifically when checking
6414 for #elif/#else after #else.
6415 (parse_ifdef): New function, broken out of do_ifdef.
6416 (validate_else): Expect a name arg without a leading #.
6417 (if_directive_name): Delete.
6418 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
6419 directive handlers with only one argument.
6421 * cpphash.h: Update prototypes.
6422 (enum node_type): Remove entries for directives.
6423 * Makefile.in: Update dependencies.
6425 * cpphash.c (dump_hash_helper): Only dump nodes of type
6426 T_MACRO. Emit a newline after each definition.
6428 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6430 * gccbug.in: New file.
6431 * configure.in (all_outputs): Add gccbug.
6432 * Makefile.in (install-common): Install gccbug.
6433 (GCCBUG_INSTALL_NAME): New variable.
6434 * configure: Rebuilt.
6436 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6438 * function.c (put_var_into_stack): Use type_for_mode to calculate
6439 part_type. Use MEM_SET_IN_STRUCT_P.
6440 * expr.c (store_field): Handle CONCAT.
6441 (store_constructor): Use fields_length.
6442 * tree.c (fields_length): New fn.
6443 * tree.h: Declare it.
6445 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6447 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
6448 (cpplex.o): New target.
6449 * po/POTFILES.in: Add cpplex.c.
6451 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
6452 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
6453 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
6454 skip_block_comment, skip_line_comment, skip_comment,
6455 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
6456 _cpp_parse_name, skip_string, parse_string,
6457 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
6458 _cpp_get_directive_token, find_position,
6459 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
6460 (maybe_macroexpand, _cpp_lex_token): New functions.
6462 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
6463 parse_goto_mark): Delete.
6464 (_cpp_handle_eof): New function.
6465 (_cpp_handle_directive): Rename from handle_directive.
6466 (_cpp_output_line_command): Rename from output_line_command.
6467 (do_if, do_elif): Call _cpp_parse_expr directly.
6468 * cppfiles.c (_cpp_read_include_file): Don't call
6469 init_input_buffer here.
6470 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
6471 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
6472 here; pop the token_buffer and skip the rest of the line here.
6473 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
6476 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
6478 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
6479 CPP_GOTO_MARK): New macros.
6480 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
6481 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
6482 _cpp_read_and_prescan, _cpp_init_input_buffer,
6483 _cpp_grow_token_buffer, _cpp_get_directive_token,
6484 _cpp_handle_directive, _cpp_handle_eof,
6485 _cpp_output_line_command): Prototype them here.
6486 * cpplib.h (enum cpp_token): Add CPP_MACRO.
6487 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
6488 quote_string, output_line_command): Remove.
6490 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
6492 * stmt.c (expand_end_case): RANGE may be signed, and when checking
6493 whether it is too large we must also verify that it isn't negative.
6495 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6497 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6498 (movsi_zero_liveg0): Remove.
6499 (movsf_insn_novis_liveg0): Remove.
6501 (negsi2_not_liveg0): Rename to negsi2.
6502 (one_cmplsi2): Remove.
6503 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6504 (one_cmplsi2_liveg0): Remove.
6505 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6506 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6507 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6508 (PREDICATE_CODES): Remove zero_operand.
6509 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6510 TARGET_BROKEN_SAVERESTORE.
6511 (zero_operand): Remove.
6512 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6513 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6515 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6516 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6517 TARGET_BROKEN_SAVERESTORE): Remove.
6518 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6520 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6522 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6525 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6527 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6529 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6530 truncating a string. Don't assume tokens are nul terminated.
6531 Problem noted by Andreas Jaeger <aj@suse.de>
6533 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6535 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6536 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6537 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6539 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6541 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6542 STRUCTURE_SIZE_BOUNDARY.
6544 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6546 * tree.h (record_layout_info_s): New structure.
6547 (record_layout_info): New type.
6548 (new_record_layout_info): New function.
6549 (layout_field): Likewise.
6550 (finish_record_layout): Likewise.
6551 * stor-layout.c (layout_record): Remove.
6552 (new_record_layout_info): New function.
6553 (layout_field): New function, broken out from layout_record.
6554 (finalize_record_size): Likewise.
6555 (compute_record_mode): Likewise.
6556 (finalize_type_size): New function, broken out from layout_type.
6557 (finish_record_layout): Likewise.
6558 (layout_type): Use them.
6560 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6562 * cpphash.c: Don't include version.h.
6563 (special_symbol) [case T_VERSION]: Look for the string in
6564 hp->value.cpval; don't use version_string.
6565 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6566 __VERSION__ to version_string.
6567 * Makefile.in (cpphash.o): Update deps.
6569 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6571 Convert cpplib to use libiberty/hashtab.c.
6573 * cpplib.h (struct cpp_reader): Make hashtab and
6574 all_include_files of type 'struct htab *'. Delete HASHSIZE
6575 and ALL_INCLUDE_HASHSIZE macros.
6577 * cpphash.h: Update prototypes.
6578 (struct hashnode): Remove next, prev, and bucket_hdr members.
6579 Make length a size_t. Add hash member.
6580 (struct ihash): Remove next member. Add hash member. Make
6581 name a flexible array member.
6583 * cppfiles.c: Include hashtab.h.
6584 (include_hash): Delete.
6585 (IHASHSIZE): New macro.
6586 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6587 (cpp_included): Do the hash lookup here.
6588 (_cpp_find_include_file): Rewrite.
6589 (cpp_read_file): Put the "fake" hash entry into the hash
6590 table. Honor the control_macro, if it turns out we've seen
6591 the file before. Don't push the buffer here.
6592 (_cpp_read_include_file): Push the buffer here.
6593 (OMODES): New macro. Use it whenever we call open(2).
6595 * cpphash.c: Include hashtab.h.
6596 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6597 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6598 _cpp_lookup_slot): New functions.
6599 (HASHSIZE): new macro.
6600 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6601 (_cpp_lookup): Use hashtab.h routines.
6603 * cppinit.c: Include hashtab.h.
6604 (cpp_reader_init): Call _cpp_init_macro_hash and
6605 _cpp_init_include_hash. Don't allocate hashtab directly.
6606 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6607 pfile->all_include_files.
6608 (initialize_builtins): Use _cpp_make_hashnode and
6609 htab_find_slot to add hash entries.
6610 (cpp_finish): Just call _cpp_dump_macro_hash.
6611 * cpplib.c: Include hashtab.h.
6612 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6613 create hash entries.
6614 (do_pragma_poison, do_assert): Likewise.
6615 (do_include): Don't push the buffer here. Don't increment
6616 system_include_depth unless _cpp_read_include_file succeeds.
6617 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6619 (do_pragma_implementation): Use alloca to create copy.
6621 * Makefile.in: Update dependencies.
6623 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6625 * cppinit.c (cl_directive_handler): More K&R fixing.
6627 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6629 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6631 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6633 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6635 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6636 Change from char[] to macros.
6638 2000-03-12 Neil Booth <NeilB@earthling.net>
6640 * cppinit.c (cpp_start_read): Update indirect function
6643 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6645 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6648 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6649 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6651 2000-03-11 Neil Booth <NeilB@earthling.net>
6653 * cppinit.c (struct pending option): Replace undef with a
6654 pointer to a directive handling routine.
6655 (struct cpp_pending): Replace separate assert_ and define_
6656 lists with one directive_ list.
6657 (new_pending_define): Rename new_pending_directive. Extra
6658 argument is the directive's handling routine.
6659 (handle_option): Update to use new_pending_directive.
6661 2000-03-11 Neil Booth <NeilB@earthling.net>
6663 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6664 remap_filename, _cpp_read_include_file, actual_directory,
6665 hack_vms_include_specification): Replace bcopy(), index() etc
6666 calls. Add casts to some allocations. Make some variables
6667 pointers to const [unsigned] char.
6668 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6669 collect_formal_parameters): Similarly.
6670 * cppinit.c (struct pending_option, append_include_chain,
6671 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6672 cpp_start_read, new_pending_define, handle_option): Similarly.
6673 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6674 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6675 do_pragma_implementation, detect_if_not_defined,
6676 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6677 do_assert, do_unassert): Similarly.
6678 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6679 function prototypes.
6680 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6682 2000-03-10 Richard Henderson <rth@cygnus.com>
6684 * builtins.c (expand_builtin_strlen): Revert last change.
6685 Use emit_insn_before if we're at the beginning of a sequence.
6687 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6689 * builtins.c (expand_builtin_strlen): Make sure that we have something
6690 at the beginning of the sequence.
6692 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6695 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6697 2000-03-10 Richard Henderson <rth@cygnus.com>
6699 * except.c (can_throw): Use INTVAL on a CONST_INT.
6700 (reachable_handlers): Likewise.
6701 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6703 2000-03-10 Andreas Jaeger <aj@suse.de>
6705 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6706 MD_STARTFILE_PREFIX since those are not needed on linux.
6707 (ASM_FILE_START): New, from mips/gnu.h.
6709 2000-03-09 Richard Henderson <rth@cygnus.com>
6710 Alex Samuel <samuel@codesourcery.com> and others
6712 * Makefile.in (ssa.o): New rule.
6714 (STAGESTUFF): Add *.ssa and *.ussa.
6715 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6716 * rtl.def (PHI): New RTL expression.
6717 * rtl.h (clear_log_links): New declaration.
6718 (convert_to_ssa): Likewise.
6719 (convert_from_ssa): Likewise.
6720 * flow.c (split_edge): If the entry node falls through to the
6721 split edge's source block, split the entry edge.
6722 (clear_log_links): New function.
6723 * toplev.c (ssa_dump): New variable.
6724 (flag_ssa): Likewise.
6725 (f_options): Add "ssa".
6726 (compile_file): Create SSA dump files.
6727 (rest_of_compilation): Go to and from SSA if enabled.
6728 (decide_d_option): Handle -de for SSA dump files.
6731 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6733 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6736 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6738 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6740 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6742 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6743 (MD_STARTFILE_PREFIX_1): New macro.
6745 2000-03-09 Robert Lipe <robertl@sco.com>
6747 * config/ia64/ia64.c: Include system.h.
6749 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6751 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6752 (init_eh_nesting_info): Likewise.
6754 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6755 (TREE_NOTHROW): Rename from TREE_RAISES.
6756 * toplev.c (rest_of_compilation): Set it.
6757 * print-tree.c (print_node): Adjust.
6758 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6759 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6760 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6761 REG_EH_REGION note as appropriate.
6762 (libfunc_nothrow): New fn.
6763 (emit_library_call, emit_library_call_value): Use it.
6764 (expand_call): Check TREE_NOTHROW.
6766 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6767 DECL_ASSEMBLER_NAME.
6769 2000-03-09 Andreas Jaeger <aj@suse.de>
6771 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6772 (TARGET_MEM_FUNCTIONS): Define.
6774 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6776 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6778 * except.c (can_throw): See through a SEQUENCE.
6779 (nothrow_function_p): New fn.
6780 * except.h: Declare it.
6781 * function.c (current_function_nothrow): New var.
6782 (prepare_function_start): Initialize it.
6783 * output.h: Declare it.
6784 * toplev.c (rest_of_compilation): Set it.
6785 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6787 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6789 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6790 match. (cpp_compare_defs): Count the nul separator when
6791 advancing over argument names.
6793 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6795 * recog.c (preprocess_constraints): Matching constraints affect
6796 same alternative/different operand, not same operand/different
6799 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6800 register and a constant specially.
6802 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6804 * libgcc2.h: New file.
6805 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6807 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6809 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6810 * configure: Regenerate.
6813 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6815 * Makefile.in (LIBCPP_DEPS): New macro.
6816 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6818 * cpperror.c: Include cpphash.h.
6819 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6821 (lex): Don't use CPP_WARN_UNDEF.
6822 (_cpp_parse_expr): Return an int, the truth value.
6823 * cppfiles.c: Include cpphash.h.
6824 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6825 * cppinit.c (include_defaults_array): Disentangle.
6826 (cpp_cleanup): Don't free the if stack here.
6827 (cpp_finish): Pop off all buffers, not just one.
6828 * cpplib.c (eval_if_expr): Return int.
6829 (do_xifdef): Rename do_ifdef.
6830 (handle_directive): Don't use CPP_PREPROCESSED.
6831 (cpp_get_token): Don't use CPP_C89.
6832 * fix-header.c: Don't use CPP_OPTIONS.
6834 * cpplib.h: Move U_CHAR, enum node_type, struct
6835 file_name_list, struct ihash, is_idchar, is_idstart,
6836 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6837 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6838 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6839 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6840 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6841 of _cpp_simplify_pathname, _cpp_find_include_file,
6842 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6843 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6845 Change all uses of U_CHAR to be unsigned char instead.
6846 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6848 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6850 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6851 (dwarf2out_begin_prologue): Set it.
6852 (output_call_frame_info): Don't emit EH unwind info for leaves.
6854 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6855 can occur outside of an EH region.
6856 * except.c: Correct comments about rethrow behavior.
6857 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6859 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6861 * flow.c (make_edges): Always call make_eh_edge for calls.
6863 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6865 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6866 (struct cpp_buffer): Remove fname and underflow fields.
6867 (struct cpp_reader): Remove get_token field.
6868 (struct include_hash): Rename to struct ihash. Add typedef to
6870 (struct if_stack): Remove fname field.
6871 (IF_STACK_FRAME): Rename to IF_STACK.
6873 * cpperror.c (print_containing_files): Trust that there are no
6874 macro buffers below the top file buffer.
6875 * cppfiles.c: Replace all references to 'struct include_hash'
6876 with 'IHASH'. Rename initialize_input_buffer to
6877 init_input_buffer. Don't set or reference cpp_buffer->fname,
6878 use buffer->ihash->name instead.
6879 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6880 not CPP_NULL_BUFFER.
6881 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6882 IF_STACK_FRAME, IHASH not struct include_hash.
6883 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6884 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6885 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6886 references to cpp_buffer->fname (delete entirely, or use
6887 ->ihash->name instead) and IF_STACK->fname.
6888 (cpp_push_buffer): Don't set new->underflow.
6889 (do_include): Use cpp_file_buffer.
6891 * cpphash.c (collect_formal_parameters): Remove duplicate
6892 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6893 used as a macro argument name. Don't append "..." to namebuf
6894 for varargs macros. After we're done scanning, go through
6895 namebuf and make it NUL separated, not comma separated.
6896 (_cpp_compare_defs): Remove register tag from variables.
6897 Expect defn->argnames to be NUL separated.
6898 (_cpp_dump_definition): Expect defn->argnames to be NUL
6899 separated and in forward order.
6900 * cpphash.h: Update documentation of argnames field.
6902 2000-03-08 Richard Henderson <rth@cygnus.com>
6904 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6905 to fail. Don't pre-expand the source operand.
6907 * i386.md (strlensi): Initialize eoschar and align before use.
6909 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6911 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6912 CONSTRUCTOR element.
6914 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6916 * mips.c (mips_expand_prologue): If the last
6917 named argument is the vararg marker "va_list", treat it as
6918 an unnamed argument.
6920 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6922 * dbxout.c (dbxout_parms): When correcting for promoted
6923 big-endian parameters, use the mode of the DECL_RTL rather
6924 than UNITS_PER_WORD.
6926 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6928 * c-common.h (make_fname_decl): Declare.
6929 * c-common.c (make_fname_decl): Define.
6930 (declare_hidden_char_array): Remove.
6931 (declare_function_name): Use make_fname_decl.
6932 * c-decl.c (c_make_fname_decl): New function.
6933 (init_decl_processing): Set make_fname_decl.
6935 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6937 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6939 2000-03-07 Philipp Thomas <pthomas@suse.de>
6941 * po/POTFILES.in: Remove cppalloc.c from file list.
6943 2000-03-07 Steve Chamberlain <sac@pobox.com>
6945 * pj.c (pj_expand_prologue): current_function->args_info is
6946 now current_function_args_info.
6948 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6949 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6950 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6952 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6954 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6955 output as hexadecimal rather than the default octal.
6957 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6959 * cpphash.c (special_symbol): Fix thinko in previous commit.
6961 2000-03-07 Neil Booth <NeilB@earthling.net>
6963 * cppexp.c (struct operation, left_shift, right_shift,
6964 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6965 "int"s to "unsigned int"s.
6966 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6968 * cpplib.h: Update for above.
6969 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6970 returned from allocations.
6972 * cppinit.c (opt_comp, parse_options): New functions.
6973 (handle_option): Use parse_option to parse a single command
6974 line option, that possibly takes an argument.
6975 (cpp_handle_options): Sort the array of command line options on
6976 first invocation (non-ASCII hosts only).
6977 (print_help): Update.
6979 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6981 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6982 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6984 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6986 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6988 * cpperror.c (cpp_print_containing_files,
6989 cpp_print_file_and_line, v_cpp_message): Rename to
6990 print_containing_files, print_file_and_line, and v_message.
6991 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6992 to _cpp_parse_expr, parse_escape, and lex.
6993 (parse_charconst): Remove broken multibyte support.
6994 * cppfiles.c (include_hash): Make static.
6995 (cpp_included): New function.
6996 (merge_include_chains, find_include_file, finclude,
6997 simplify_pathname): Rename to _cpp_merge_include_chains,
6998 _cpp_find_include_file, _cpp_read_include_file, and
6999 _cpp_simplify_pathname.
7000 * cpphash.c (cpp_lookup, free_definition, delete_macro,
7001 cpp_install, create_definition, macroexpand, compare_defs,
7002 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
7003 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
7004 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
7005 * cppinit.c (cpp_handle_option): Rename to handle_option, make
7007 * cpplib.c: Remove extern prototype of cpp_parse_expr.
7009 * cpphash.h: Update prototypes.
7010 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
7012 2000-03-07 Andrew Haley <aph@cygnus.com>
7014 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
7015 PTRDIFF_TYPE should be based solely on Pmode.
7018 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7020 * rtl.h (rtunion_def): Constify member `rtstr'.
7021 (emit_line_note_after, emit_line_note, emit_line_note_force,
7022 emit_note, decode_asm_operands): Constify.
7024 * cse.c (canon_hash): Likewise.
7026 * dbxout.c (dbxout_block): Likewise.
7028 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
7029 v_warning_for_asm): Likewise.
7031 * dwarfout.c (function_start_label): Likewise.
7033 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
7034 emit_line_note_force): Likewise.
7036 * final.c (last_filename, asm_insn_count, final_scan_insn,
7037 output_source_line): Likewise.
7039 * function.h (struct emit_status): Likewise.
7041 * gcse.c (hash_expr_1): Likewise.
7043 * genattr.c (gen_attr, main): Likewise.
7045 * genattrtab.c (struct function_unit, current_alternative_string,
7046 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
7047 attr_numeral, check_attr_test, check_attr_value,
7048 convert_set_attr_alternative, convert_set_attr,
7049 compute_alternative_mask, simplify_by_exploding, gen_attr,
7050 gen_unit): Likewise.
7052 * genflags.c (gen_insn): Likewise.
7054 * gengenrtl.c (type_from_format): Likewise.
7056 * genopinit.c (gen_insn): Likewise.
7058 * genoutput.c (n_occurrences, process_template, process_template):
7061 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
7064 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
7067 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
7068 ggc_set_mark, ggc_get_size): Likewise.
7070 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
7072 * optabs.c (init_one_libfunc): Likewise.
7074 * output.h (assemble_start_function): Likewise.
7076 * recog.c (decode_asm_operands): Likewise.
7078 * toplev.c (rest_of_compilation): Likewise.
7080 * tree.h (emit_line_note_after, emit_line_note,
7081 emit_line_note_force): Likewise.
7083 * varasm.c (asm_output_bss, asm_output_aligned_bss,
7084 asm_emit_uninitialised, assemble_start_function,
7085 assemble_variable, const_hash, compare_constant_1,
7086 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
7088 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
7090 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
7092 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
7094 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
7096 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
7097 arm_dllimport_name_p): Likewise.
7099 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
7102 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
7104 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7106 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
7107 arm_mark_dllexport, arm_mark_dllimport,
7108 arm_pe_encode_section_info): Likewise.
7110 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
7111 ASM_FINISH_DECLARE_OBJECT): Likewise.
7113 * arm/thumb.c (thumb_function_prologue): Likewise.
7115 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
7117 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7119 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
7121 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
7123 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
7125 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7127 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
7128 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
7130 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
7132 * i386/i386.c (asm_output_function_prefix): Likewise.
7134 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
7136 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7138 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
7140 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
7141 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
7142 ASM_OUTPUT_SECTION_NAME): Likewise.
7144 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
7146 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
7148 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
7150 * m32r/m32r.c (m32r_encode_section_info): Likewise.
7152 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7154 * mcore/mcore.c (mcore_encode_section_info): Likewise.
7156 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7158 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7160 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7162 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
7164 * mips/mips.md (movdi, movsi): Likewise.
7166 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7168 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7170 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7172 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
7173 ASM_OUTPUT_ASCII): Likewise.
7175 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
7176 output_mi_thunk, output_toc): Likewise.
7178 * rs6000/rs6000.md (movsi): Likewise.
7180 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
7182 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
7184 * v850/v850.c (print_operand, print_operand_address,
7185 v850_encode_data_area): Likewise.
7187 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
7189 * config/mips/mips.md (zero_extendsidi2): Always force operand
7190 one to memory for mips16.
7192 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7194 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
7195 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
7196 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
7197 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
7198 (min_precision): Result is unsigned.
7199 (add_double, neg_double, mul_double): Low word is unsigned.
7200 (lshift_double, rshift_double, lrotate_double): Likewise.
7201 (rrotate_double, div_and_round_double): Likewise.
7202 (tree_floor_log2, compare_tree_int): New functions.
7203 (preserve_rtl_expr_temps): New declaration.
7204 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
7205 (decl_attributes): Use tree_log2 to find alignment.
7206 Check for TREE_INT_CST_HIGH for format args.
7207 (min_precision): Now unsigned.
7208 Use tree_floor_log2.
7209 (truthvalue_conversion): Delete long-disabled code.
7210 * c-decl.c (finish_struct): Clean up tests on field width.
7211 (finish_function): Use compare_tree_int.
7212 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
7213 * c-typeck.c (comptypes): Use tree_int_cst_equal.
7214 (default_conversion, digest_init): Use compare_tree_int.
7215 (build_binary_op): Use integer_all_onesp and compare_tree_int.
7216 Fix type errors in forming masks.
7217 * calls.c (initialize_argument_information): Use compare_tree_int.
7218 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7219 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
7220 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
7221 (store_field): Use compare_tree_int.
7222 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
7223 (expand_expr, case ARRAY_REF): Use compare_tree_int.
7224 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
7225 (do_store_flag): Use compare_tree_int.
7226 * fold-const.c (encode, decode): Low part is always unsigned.
7227 (force_fit_type, add_double, neg_double, mul_double): Likewise.
7228 (lshift_double, rshift_double, lrotate_double): Likewise.
7229 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
7230 (fold_convert): Use compare_tree_int.
7231 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
7232 (invert_truthvalue, case INTEGER_CST): Likewise.
7233 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
7234 * mkdeps.c (deps_dummy_targets): Make I unsigned.
7235 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
7236 (lshift_double, rshift_double, lrotate_double, rrotate_double):
7238 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
7239 (expand_end_case): Use compare_tree_int.
7240 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7241 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
7242 (layout_decl): Likewise.
7243 (layout_record, layout_union): Make sizes unsigned.
7244 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
7245 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
7246 * tree.c (struct type_hash): hashcode is unsigned.
7247 (build_type_attribute_variant, type_hash_list): Likewise.
7248 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
7249 (attribute_hash_list, build_array_type, build_method_type): Likewise.
7250 (build_complex_type): Likewise.
7251 (real_value_from_int_cst): Remove unneeded casts.
7252 (integer_all_onesp): Add casts.
7253 (tree_floor_log2, compare_tree_int): New functions.
7254 (build_index_type): Use tree_int_cst_sgn.
7255 * varasm.c (assemble_variable): Use compare_tree_int.
7257 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
7259 * cpphash.c (collect_expansion): Also catch ## at start of macro.
7261 * varasm.c (make_decl_rtl): Don't add a number to members of
7263 (make_function_rtl): Likewise.
7265 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7267 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
7268 patch from 2000-01-28.
7270 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
7272 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
7273 filled with an insn from the jump target.
7275 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7277 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
7278 (c4x_external_ref): Likewise.
7279 * config/c4x/c4x.c (struct name_list): Likewise.
7281 1999-12-16 Ben Collins <bcollins@debian.org>
7283 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
7284 argument to genmultilib.
7285 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
7286 the contents into the multilib.h header.
7287 * gcc.c: Declare multilib_exclusions for the specs file.
7288 (set_multilib_dir): Use it.
7289 (print_multilib_info): Likewise.
7290 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
7291 to pass to genmultilib.
7293 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7295 * builtins.c (built_in_class_names, built_in_names): Constify a
7298 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
7300 (_mcleanup): Ensure value matches format specifier in sprintf.
7302 * cpphash.c (special_symbol): Don't needlessly cast away
7305 * cppinit.c (base_name): Delete unused prototype.
7307 * mkdeps.c (deps_init): Make definition K&R safe.
7309 * tree.h (built_in_class_names, built_in_names): Constify a
7312 2000-03-06 Jakub Jelinek <jakub@redhat.com>
7314 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
7315 floating point instructions for epilogue delay.
7317 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
7318 to gas if it supports .register pseudo.
7320 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
7321 LONG_DOUBLE_TYPE_SIZE if not defined.
7322 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
7323 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
7325 * gengenrtl.c: Likewise.
7326 * print-rtl.c: Likewise.
7328 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
7329 MASK_LONG_DOUBLE_128.
7330 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
7331 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
7332 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
7333 (SUBTARGET_SWITCHES): Define.
7334 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
7335 with -mlong-double-128.
7336 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7337 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7338 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7339 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
7340 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
7341 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
7342 with -mlong-double-128.
7343 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7344 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7345 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7346 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
7347 TARGET_LONG_DOUBLE_128): Define.
7348 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
7349 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
7350 long double on TARGET_ARCH64.
7352 2000-03-06 Mark Mitchell <mark@codesourcery.com>
7354 * function.c (free_temps_for_rtl_expr): Don't free slots
7355 that have been pushed into a higher level.
7358 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7360 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7362 * basic-block.h (ALLOCA_REG_SET): Remove.
7363 (INITIALIZE_REG_SET): New macro.
7364 * flow.c (update_life_info): Use it.
7365 (calculate_global_regs_live): Likewise.
7366 (propagate_block): Likewise.
7367 * global.c (build_insn_chain): Likewise.
7368 * haifa-sched.c (schedule_region): Likewise.
7370 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
7372 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
7373 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
7374 (DWARF_ARANGES_PAD_SIZE): New define.
7375 (output_aranges): Use it to pad the address range header.
7376 (DWARF_ROUND): Fix for non power of 2 rounding.
7378 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
7380 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
7382 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7384 * tree.def (RTL_EXPR): Update documentation.
7385 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
7386 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
7387 * function.c (preserve_rtl_expr_temp): New function.
7388 (preserve_rtl_expr_temps): Likewise.
7389 (preserve_rtl_expr_result): Use it.
7392 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7394 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
7396 * regmove.c (copy_src_to_dest) Do not create src->dest move
7397 for unchanging destination.
7399 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7401 * function.h (struct sequence_stack): Remove rtl_expr.
7402 (struct emit_staus): Likewise.
7403 (seq_rtl_expr): Remove.
7404 * tree.h (free_temps_for_rtl_expr): Don't declare.
7405 (start_sequence_for_rtl_expr): Likewise.
7406 * rtl.h (preserve_rtl_expr_result): Likewise.
7407 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
7408 (start_sequence_for_rtl_expr): Remove.
7409 (push_topmost_sequence): Don't save sequence_rtl_expr.
7410 (pop_topmost_sequence): Remove comment about not restoring it.
7411 (end_sequence): Don't set seq_rtl_expr.
7412 (init_emit): Don't initialize it.
7413 (mark_sequence_stack): Don't mark it.
7414 (mark_emit_status): Likewise.
7415 * except.c (protect_with_terminate): Use
7416 start_sequence_for_rtl_expr, not start_sequence.
7417 * expr.c (expand_expr, case RTL_EXPR): Don't call
7418 preserve_rtl_expr_result or free_temps_for_rtl_expr.
7419 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
7420 (preserve_rtl_expr_result): Remove.
7421 (free_temps_for_rtl_expr): Likewise.
7422 (pop_temp_slots): Likewise.
7423 (mark_temp_slot): Don't mark the rtl_expr.
7424 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
7425 start_sequence_for_rtl_expr.
7427 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
7429 * mkdeps.c, mkdeps.h: New files.
7430 * po/POTFILES.in: Add them.
7431 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
7432 (cpplib.o, cppinit.o): Depend on mkdeps.h.
7433 (mkdeps.o): New target.
7435 * cppfiles.c: Delete deps_output.
7436 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
7437 OBJECT_SUFFIX, and base_name.
7438 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
7440 (initialize_dependency_output): Use deps_init,
7441 deps_add_target, deps_calc_target, and deps_add_dep. Remove
7442 all the unnecessary string bashing.
7443 (cpp_finish): Use deps_write. Remove an unnecessary nesting
7445 * cpplib.c (do_include): Use deps_add_dep.
7446 * cpplib.h (struct cpp_reader): Replace deps_buffer,
7447 deps_allocated_size, deps_size, deps_column members with
7448 single pointer to a struct deps. Delete prototype of
7451 * cppinit.c: Fix thinko in previous patch.
7453 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7455 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
7456 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
7457 (mode_for_size_tree): New function.
7458 (layout_decl, layout_type): Call it and clean up BLKmode checks.
7459 * tree.h (mode_for_size_tree): New declaration.
7461 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
7463 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
7465 * stmt.c (is_body_block): Move...
7466 * dwarfout.c, dwarf2out.c: ...from here.
7467 * tree.h: Declare it.
7468 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
7469 * final.c (final_start_function): Do call remove_unnecessary_notes
7472 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7474 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
7476 * cpplib.h (_dollar_ok): New macro.
7477 (is_idchar, is_idstart): Use it.
7478 (IStable): Rename to _cpp_IStable. Declare it const if
7479 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
7480 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
7481 is_space): Update for renamed IStable.
7483 * cppinit.c: Delete all references to FAKE_CONST and CAT
7484 macros. Define init_IStable as empty macro if gcc >=2.7 or
7485 C99. Change TABLE() to ISTABLE and hardcode name of table.
7486 (cpp_start_read): Don't change the IStable based on
7489 * cpphash.c (unsafe_chars): Add pfile argument. All callers
7490 changed. Handle '$' for char1 correctly.
7491 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
7493 * cppexp.c (tokentab2): Make const.
7494 (cpp_lex): Make toktab const.
7495 * cppinit.c (include_defaults_array): Make const.
7496 (initialize_standard_includes): Make default_include const.
7498 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7500 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7501 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7502 (gen_decl_die): Likewise.
7503 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7504 (output_decl): Likewise.
7506 * varasm.c (make_function_rtl): If we change the name used in the
7507 rtl, update DECL_ASSEMBLER_NAME accordingly.
7508 (make_decl_rtl): Likewise.
7510 * toplev.c (rest_of_compilation): Tweak formatting.
7512 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7513 remove_unnecessary_notes.
7514 (debug_ignore_block): New fn.
7515 * toplev.h: Declare it.
7516 * emit-rtl.c (remove_unncessary_notes): Call it.
7517 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7518 * dwarf2out.h: Declare it.
7519 * final.c (final_start_function): Don't call remove_unnecessary_notes
7520 if we did insn scheduling.
7522 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7524 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7525 * cpplib.h: Delete SET_CPP_PEDANTIC.
7527 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7529 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7530 result is a RECORD_TYPE.
7532 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7534 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7536 2000-03-03 Richard Henderson <rth@cygnus.com>
7538 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7539 addition over compliments over shifts.
7541 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7543 * reload1.c (reload_combine_note_use): Handle return register USEs.
7544 REG case: Handle multi-hard-register hard regs.
7546 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7548 * md.texi: Document use of '*' in insn pattern name.
7550 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7552 * calls.c (special_function_p): operator new may not be malloc-like.
7554 * gcse.c (dump_hash_table): Really fix error in last change.
7556 2000-03-02 Denis Chertykov <denisc@overta.ru>
7558 * avr.c (print_operand): Use print_operand_address instead of
7560 * avr/libgcc.S: Cleanup code.
7562 2000-03-02 Richard Henderson <rth@cygnus.com>
7564 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7566 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7568 * tree.h (TYPE_ALIGN_UNIT): New macro.
7570 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7572 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7574 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7576 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7578 (SET_CPP_PEDANTIC): New macro.
7579 * cpplib.c (do_include): Don't bother checking system_header_p.
7580 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7581 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7583 * function.h (struct expr_status): Add x_arg_space_so_far.
7584 (arg_space_so_far): New macro.
7585 * expr.c (init_expr): Initialize it.
7586 * calls.c (emit_call_1): Reset it.
7587 (compute_argument_block_size, expand_call): Use it.
7588 (expand_call, store_one_arg): Increment it.
7590 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7592 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7595 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7597 * cppfiles.c (cpp_read_file): New function.
7599 * cpphash.c (collect_expansion): Make sure to reset last_token
7600 to NORM when we hit a string. Handle trailing whitespace
7601 properly when the expansion is empty.
7602 (create_definition): Disable line commands while parsing the
7604 (dump_definition): If pfile->lineno == 0, output a line
7605 command ahead of the dump, and add a trailing newline.
7607 * cppinit.c (append_include_chain): Add fifth argument, which
7608 indicates whether or not system headers are C++ aware.
7609 (initialize_standard_includes): New function,
7610 broken out of read_and_prescan. Pass 'cxx_aware' value from
7611 the include_defaults_array on to append_include_chain.
7612 (dump_special_to_buffer): Const-ify char array.
7613 (builtin_array): Don't dump __BASE_FILE__.
7614 (cpp_start_read): Use cpp_read_file. Reorder code for
7615 clarity. Don't output line commands here for -D/-A/-U
7616 switches. Don't call deps_output for files included with
7617 -include or -imacros.
7619 * cpplib.c (do_define): Don't pay any attention to the second
7621 (cpp_expand_to_buffer): Disable line commands while scanning.
7622 (output_line_command): Work in the file buffer.
7623 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7624 Fix formatting of comments. Prototype cpp_read_file.
7626 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7628 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7629 reference the language-equivalent of sizetype.
7630 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7631 * fold-const.c (size_binop, size_diffop): Put back checks.
7632 * gcse.c (dump_hash_table): Fix minor error in last change.
7633 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7634 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7637 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7639 * calls.c (expand_call) Do not attempt to combine stack adjustments
7640 with inhibit_defer_pop set.
7642 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7644 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7645 the DECL_SIZE for a FIELD_DECL.
7647 2000-03-01 Bruce Korb <bkorb@gnu.org>
7649 * fixinc/inclhack.tpl: remove unused symlinks
7650 * fixinc/README: GCC Maintainer info
7651 * fixinc/inclhack.sh: regen
7652 * fixinc/fixincl.sh: regen
7654 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7656 * cpphash.c (collect_expansion): Trim trailing white space
7657 from macro definitions, but don't go past the last insertion
7660 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7662 * i386.md (mulqi3): New pattern.
7664 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7666 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7668 (struct cpp_reader): Add parsing_if_directive and
7669 parsing_define_directive flags.
7670 (struct cpp_options): Remove output_conditionals flag.
7671 (check_macro_name): Delete prototype.
7673 * cpphash.h (struct macrodef): Delete.
7674 (struct reflist): Separate from struct definition.
7675 (struct definition): Remove unused fields. Add column number.
7676 (create_definition): Returns a DEFINITION *. Takes a
7677 cpp_reader * and an int.
7679 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7680 (PEEKC): Copy defn from cpplib.c.
7681 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7683 (struct arglist): Simplify.
7684 (collect_expansion): Rewrite. Get tokens by calling
7685 cpp_get_token. Add more error checking.
7686 (collect_formal_parameters): New function, broken out of
7687 create_definition and reworked to use get_directive_token.
7688 (create_definition): All real work is now in collect_expansion
7689 and collect_formal_parameters. do_define handles finding the
7690 macro name. Return a DEFINITION, not a MACRODEF.
7691 (macroexpand): Replace bcopy with memcpy throughout. Replace
7692 character-at-a-time copy loop with memcpy and pointer increments.
7693 (compare-defs): d1->argnames / d2->argnames might be null.
7695 * cpplib.c (copy_rest_of_line): Delete function.
7696 (skip_rest_of_line): Do all the work ourselves.
7697 (skip_string): New function.
7698 (parse_string): Use skip_string.
7699 (get_macro_name): New function.
7700 (check_macro_name): Delete.
7701 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7702 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7703 (handle_directive): ICE if we're called on a macro buffer.
7704 (do_define): Determine macro name and type (funlike/objlike)
7705 here. Expunge all uses of MACRODEF.
7706 (cpp_push_buffer): Set line_base to NULL.
7707 (do_undef, read_line_number): Don't worry about getting a POP token.
7708 (eval_if_expression): Set/reset parsing_if_directive around
7709 cpp_parse_expr. Don't clear only_seen_white.
7710 (skip_if_group): Remove output_conditionals logic. Use
7712 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7713 tokens under appropriate conditions.
7714 (cpp_unassert): Call do_unassert not do_assert. Oops.
7716 * cppexp.c (parse_defined): New function, break out of
7718 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7719 ourselves, with cpp_defined.
7720 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7722 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7723 * gcc.dg/strpaste-2.c: New.
7725 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7727 * fold-const.c (size_binop): Don't asert inputs are the same and
7728 have TYPE_IS_SIZETYPE set.
7729 (size_diffop): Likewise.
7731 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7733 * dwarfout.c (output_block): Output abstract blocks even if they
7734 don't have TREE_ASM_WRITTEN set.
7736 * calls.c (emit_library_call): Check for null REG.
7738 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7740 * c-decl.c (current_function_decl): Move to toplev.c.
7741 (init_decl_processing): Don't add current_function_decl as a ggc
7743 * dbxout.c (dbxout_symbol): Change return type to int.
7744 (dbxout_symbol_location, dbxout_syms): Likewise.
7745 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7746 any locals. Use current_function_func_begin_label if set.
7747 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7748 * dwarf2out.c (dwarf2out_begin_prologue): Set
7749 current_function_func_begin_label.
7750 * final.c (final_start_function): Reset it.
7751 * toplev.c (current_function_decl): Define it here.
7752 (current_function_func_begin_label): New variable.
7753 (main): Add both as ggc roots.
7754 * tree.h (current_function_func_begin_label): Declare.
7756 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7758 * gcse.c: Cleanups throughout: mostly white-space, but also
7759 some minor rearrangement of code.
7761 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7763 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7764 returns a PARALLEL. Use emit_group_load and use_group_regs
7766 (emit_library_call_value): Similarly.
7768 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7769 * pa/quadlib.asm: Remove.
7770 * pa/quadlib.c: New file.
7772 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7773 * configure: Rebuilt.
7775 2000-02-29 Philip Blundell <pb@futuretv.com>
7777 * config/arm/conix-elf.h: New file.
7778 * configure.in (arm*-*-conix*): New configuration.
7779 * configure: Regenerate.
7781 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7783 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7784 don't have TREE_ASM_WRITTEN set.
7786 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7788 * Eliminate DECL_FIELD_SIZE.
7789 * builtins.c (built_in_class_names, built_in_names): New variables.
7790 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7791 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7792 DECL_SIZE, not DECL_FIELD_SIZE.
7793 * print-tree.c (print_node): Remove code that prints extra blank
7794 lines in some cases.
7795 Properly handle inline and builtin function cases.
7796 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7797 * tree.h (built_in_class_named, built_in_names): New declarations.
7798 (union tree_decl): Rename internal unions to u1 and u2 and change
7799 some of their components.
7800 Add new field built_in_class.
7801 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7802 Reflect above changes.
7803 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7804 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7805 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7806 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7808 2000-02-28 Dmitri Makarov <dim@windriver.com>
7810 * extend.texi: Document ARM's support for long/short calls.
7812 * invoke.texi: Document ARM's -mlong-calls command line switch.
7814 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7815 (arm_encode_call_attribute): Add prototype.
7816 (arm_set_default_type_attribute): Add prototype.
7817 (arm_strip_name_encoding): Add prototype.
7819 * config/arm/arm.c (arm_init_cumulative_args): replace
7820 initialisation og 'long_calls' field with initialisation of
7821 'call_cookie' field.
7822 (enum arm_pragma_enum): New enum.
7823 (arm_pragma_long_calls): New static variable.
7824 (arm_process_pragma): Also process "#pragma long_calls_off".
7825 (arm_valid_type_attribute_p): Accept short_call attribute.
7826 (arm_comp_type_attributes): Check long/short call attributes.
7827 (arm_encode_call_attribute): New function: Encode long_call
7828 or short_call attribute in function name.
7829 (arm_set_default_type_attributes): New function: Assign
7830 default attributes to newly defined type.
7831 (current_file_function_operand): New function: Return true if
7832 the symbol is a function which has already been compiled.
7833 (arm_is_longcall_p): New function: Return true if the
7834 indicated function should be called via a long call.
7835 (arm_get_strip_length): New function. Returns number of
7836 prefix characters to be stripped from a function's name.
7837 (arm_strip_name_encoding): New function. Strip prefix characters
7838 from a function's name.
7840 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7842 (SHORT_CALL_FAG_CHAR): Define.
7843 (LONG_CALL_FAG_CHAR): Define.
7844 (ENCODED_SHORT_CALL_ATTR_P): Define.
7845 (ENCODED_LONG_CALL_ATTR_P): Define.
7846 (ARM_NAME_ENCODING_LENGTHS): Define.
7847 (STRIP_NAME_ENCODING): Define.
7848 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7849 (ARM_ENCODE_CALL_TYPE): Define.
7850 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7851 (ARM_DECLARE_FUNCTION_SIZE): Define.
7852 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7854 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7855 if a long call is needed.
7856 (call_value): Ditto.
7857 (call_symbol): Ditto.
7859 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7860 ARM_DECLARE_FUNCTION_SIZE.
7862 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7863 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7864 (ARM_STRIP_NAME_ENCODING): Undefine.
7865 (STRIP_NAME_ENCODING): Undefine.
7866 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7867 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7868 (ASM_OUTPUT_COMMON): Ditto.
7869 (ASM_DECLARE_OBJECT_NAME): Ditto.
7871 * config/arm/pe.c (arm_dllexport_name_p): Check for
7873 (arm_dllimport_name_p): Ditto.
7874 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7875 (arm_mark_dllimport): Ditto.
7877 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7879 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7881 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7883 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7885 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7887 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7888 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7889 NO_BUILTIN_WCHAR_TYPE is not defined.
7890 (CPP_WCHAR_TYPE): Delete.
7891 * cccp.c (main): Don't change wchar_type if cplusplus.
7892 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7894 2000-02-28 Nick Clifton <nickc@cygnus.com>
7896 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7898 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7900 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7901 (ASM_WEAKEN_LABEL): Define.
7903 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7905 * expr.c (store_constructor): Do not emit USE.
7906 * rtl.h (stupid_life_analysis): Remove.
7908 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7910 * function.c (number_blocks): Reset next_block_index based on
7911 what debugging format is used, not what is defined.
7913 * lcm.c: Minor reformatting throughout.
7914 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7916 * toplev.c (rest_of_compilation): Account for time in
7917 optimize_mode_switching.
7919 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7920 if only marking labels.
7922 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7924 * calls.c (expand_call): Attempt to combine stack adjustments with
7925 pending stack adjustments.
7927 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7929 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7930 to the end of the function.
7932 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7934 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7936 * final.c (next_block_index): Remove.
7937 (max_block_depth): Likewise.
7938 (pending_blocks): Likewise.
7939 (init_final): Don't initialize them.
7940 (final_start_function): Don't set next_block_index. Set up
7942 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7943 * function.h (number_blocks): New function.
7944 * function.c (get_block_vector): New function.
7945 (identify_blocks): Use it.
7946 (reorder_blocks): Set NOTE_BLOCK.
7947 (number_blocks): New function.
7948 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7949 * tree.h (BLOCK_NUMBER): New macro.
7950 (tree_block): Add block_num field.
7951 * dbxout.c (next_block_number): Remove.
7952 (dbxout_init): Don't set it.
7953 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7954 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7956 * toplev.c (rest_of_compilation): Always call
7957 find_loop_tree_blocks. Fix indentation.
7958 * dwarf2out.c (next_block_number): Remove.
7959 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7960 to determine block numbers.
7961 (gen_inlined_subroutine_die): Likewise.
7962 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7963 (decls_for_scope): Don't increment next_block_number.
7964 * dwarfout.c (next_block_number): Remove.
7965 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7966 to determine block numbers.
7967 (output_inlined_subroutine_die): Likewise.
7968 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7969 (output_decls_for_scope): Don't increment next_block_number.
7970 * sdbout.c (next_block_number): Remove.
7971 (sdbout_block): Use BLOCK_NUMBER.
7972 (sdbout_begin_block): Simplify.
7973 * xcoffout.c (next_block_number): Remove.
7974 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7975 (xcoffout_begin_block): Don't set next_block_number.
7976 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7979 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7981 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7982 (expand_builtin_strcpy): Pass correct type to size_binop.
7983 (expand_builtin_strcmp): Likewise.
7984 Clean up conditional structure.
7985 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7986 (complete_array_type): Don't use size_binop for MAXINDEX.
7987 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7988 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7989 (c_alignof): Use size_one_node.
7990 (build_unary_op): Pass arg of proper type to size_binop.
7991 (really_start_incremental_init, push_init_level): Use sizetype for
7992 constructor{,_bit,_unfilled}_index.
7993 (pop_init_label, output_init_element): Likewise.
7994 (output_pending_init_elements, process_init_element): Likewise.
7995 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7996 * expr.c (store_expr): Use size_int.
7997 (store_constructor): Use proper types for size_binop args.
7998 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7999 (expand_expr_unaligned): Likewise.
8000 (string_contant): Return object of sizetype.
8001 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
8002 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
8003 (ARGS_SIZE_TREE): Pass proper types to size_binop.
8004 * fold-const.c (int_const_binop): Refine when size_int is called.
8005 (fold_convert): Likewise.
8006 (size_int_wide): Rework to take KIND as arg, only take low order
8007 bits, handle new sizetype_tab datatype, and chain entries in
8009 (size_int_type_wide): New function.
8010 (size_binop): Validate types of arguments.
8011 (ssize_binop): Deleted.
8012 (size_diffop): New function.
8013 (extract_muldiv): Only fold division into multiplication for sizetypes.
8014 * function.c (assign_parms): Use size_diffop and make sure
8015 VAR field is of ssizetype; also pass proper type to size_binop.
8016 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
8017 (round_down): Deleted from here.
8018 * store-layout.c (sizetype_tab): Now an array.
8019 (sizetype_set, early_root_list): New variables.
8020 (variable_size): Use size_one_node.
8021 (round_up): Pass proper type to size_binop.
8022 (round_down): Moved to here and corrected as above.
8023 (layout_record): Pass proper arg types to size_binop.
8024 (layout_type): Likewise.
8025 If sizetype_set is zero, record the type just laid out.
8026 (make_unsigned_type): Don't call set_sizetype;
8027 (make_signed_type): Likewise; also, call fixup_signed_type.
8028 (initialize_sizetypes): New function.
8029 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
8030 set name of bitsizetype to "bit_size_type".
8031 Fix up type of sizes of all types made before call.
8032 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
8033 * tree.c (fix_sizetype): Deleted.
8034 (build_common_tree_nodes): Call initialize_sizetypes.
8035 (build_common_tree_nodes_2): Don't call fix_sizetype.
8036 * tree.h (TYPE_IS_SIZETYPE): New macro.
8037 (initialize_sizetype): New declaration.
8038 (enum size_type_kind): New type.
8039 (struct sizetype_tab): Deleted.
8040 (sizetype_tab): Now array; adjust sizetype macros.
8041 (size_diffop, size_int_type_wide): New functions.
8042 (size_int_wide): Change number of args and type; access macros changed.
8043 (ssize_int, sbitsize_int): New macros.
8044 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
8045 (ROUND_TYPE_SIZE_UNIT): New macro.
8047 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
8049 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
8051 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8053 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
8054 Mark as possibly unused.
8056 * cse.c (cse_insn): Delete dead code involving tablejump.
8057 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
8059 * Makefile.in (libcpp.a): Start by deleting it.
8061 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8063 * cpplib.h (enum file_change_code): Added rename_file.
8064 * cpplib.c (do_line): If a filename is given, set file_change to
8066 (output_line_command): If file_change is rename_file, always
8067 output a # directive with the file name.
8069 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
8071 2000-02-26 Mark Mitchell <mark@codesourcery.com>
8073 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
8074 when copying a PARM_DECL or RESULT_DECL.
8076 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8078 * fix-header.c (recognized_function): Also fix prototypes for
8079 functions taking "void".
8081 2000-02-26 Geoff Keating <geoffk@cygnus.com>
8083 * reload1.c (do_output_reload): Check reg_reloaded_valid before
8084 looking at reg_reloaded_contents.
8086 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
8088 * Makefile.in (STMP_FIXINC): New toggle.
8089 (LIBGCC2_DEPS): Delete all references.
8090 (stmp-headers): Delete target. All references either deleted
8091 or changed to stmp-int-headers.
8092 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
8093 (LIBCPP_OBJS): Take out cppalloc.o.
8094 (cppalloc.o): Delete target.
8095 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
8096 (gen-protos, fix-header): Link with libiberty.a.
8097 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
8100 * configure.in: Remove refs to strerror.
8101 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
8102 * system.h: Take out strerror stanza.
8104 * cpperror.c (my_strerror): Delete function.
8105 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
8106 * cppmain.c (main): Call xmalloc_set_program_name first thing.
8107 * cppalloc.c: Delete file.
8108 * gen-protos.c: Don't provide xrealloc.
8110 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
8111 xstrerror throughout.
8113 2000-02-26 Bruce Korb <bkorb@gnu.org>
8115 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
8116 match for DOS headers, too.
8117 * fixinc/inclhack.sh,fixincl.x: Regenerate.
8119 2000-02-26 Geoff Keating <geoffk@cygnus.com>
8121 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
8122 is right for most ELF targets.
8123 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
8124 Let the default file use %U properly.
8125 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
8128 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
8131 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8133 * toplev.c (documented_lang_options): Correct spelling error.
8134 (decode_d_option, decode_f_option, main): Likewise.
8136 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
8138 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
8139 to tell assembler it is permitted to expand large constants.
8141 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
8143 * protoize.c: (AUX_INFO_SUFFIX): New macro.
8144 (aux_info_suffix): Use.
8145 (SAVE_SUFFIX): New macro.
8147 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
8148 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
8149 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
8151 * invoke.texi (Running Protoize): Update documentation.
8153 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
8155 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
8157 2000-02-25 John Wehle (john@feith.com)
8159 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
8161 2000-02-25 Anthony Green <green@cygnus.com>
8163 * toplev.c (rest_of_compilation): Rebuild jump labels if
8164 combine_instructions has created a new direct jump.
8165 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
8167 (combine_instructions): Call try_combine with new argument.
8168 Return non-null value when new direct jump instruction is created.
8169 * rtl.h: combine_instructions returns an int.
8171 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
8173 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
8174 jump when changing a computed jump into a jump to a known
8177 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
8179 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
8180 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
8182 * i386.md (define_expand "clrstrsi"): Fix typo.
8184 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
8186 * rtl.texi: Fix typo.
8188 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8190 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
8191 UNITS_PER_WORD. Change caller initial_elimination_offset.
8192 (rounded_frame_size): Take into account that argument pushed has
8193 changed. Fix TARGET_ALIGN_DOUBLE problem.
8195 2000-02-25 Geoff Keating <geoffk@cygnus.com>
8197 * haifa-sched.c (schedule_block): Explain the real reason
8198 we delete REG_SAVE_NOTEs on the first insn of a block.
8199 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
8201 2000-02-24 Mark Mitchell <mark@codesourcery.com>
8203 * input.h (push_srcloc): New function.
8204 (pop_srcloc): Likewise.
8205 * toplev.c (push_srcloc): Define it.
8206 (pop_srcloc): Likewise.
8208 2000-02-24 Richard Henderson <rth@cygnus.com>
8210 * flow.c (life_analysis): When collecting reg info, clear
8213 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8215 Fix bug exposed by reload.c no longer rounding the frame
8216 size to BIGGEST_ALIGNMENT:
8217 * sh.c (rounded_frame_size): New function.
8218 (sh_expand_prologue, sh_expand_epilogue): Use it.
8219 (initial_elimination_offset): Likewise.
8221 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8223 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
8224 * sh-protos.h (sh_need_epilogue): Declare.
8225 * sh.c (sh_need_epilogue_known): New static variable.
8226 (sh_need_epilogue): New function.
8227 (function_epilogue): Clear need_epilogue_known.
8228 * sh.md (return): Split into expander / insn pattern.
8229 Make the expander conditional on ! sh_need_epilogue ().
8231 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
8233 * machmode.h (get_mode_alignment): Declare.
8234 (GET_MODE_ALIGNMENT): Call it.
8235 * stor-layout.c (get_mode_alignment): New function. Make
8236 sure alignment is always power of 2.
8238 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8240 * i386.h: Remove useless definition of "I386" and misleading
8243 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8245 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
8246 under which TREE_PERMANENT will be set.
8247 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
8248 build1): Use TREE_SET_PERMANENT.
8249 * print-tree.c (print_node): Don't report value of
8250 TREE_PERMANENT if ggc_p is true.
8252 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
8253 decide whether to give a type a new alias set.
8254 * objc/objc-act.c (build_objc_string_object): Never copy the string.
8255 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
8256 of value of 'obstack'.
8259 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8261 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
8263 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8265 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
8266 * cpplib.c (cpp_get_token): Produce them.
8267 * cppexp.c (cpp_lex): Handle them.
8269 2000-02-23 Nick Clifton <nickc@cygnus.com>
8271 * config/arm/arm.c (arm_comp_type_attributes): Simply and
8272 comment tests on type attributes.
8274 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8276 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
8277 conform to documentation.
8278 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
8279 to check for special cases.
8280 * sh-protos.h (sh_loop_align): Declare.
8281 * sh.c (sh_loop_align): Define.
8283 2000-02-22 Andrew Haley <aph@cygnus.com>
8285 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
8286 (SIZE_TYPE): Is 32 bits when using -mgp32.
8287 (PTRDIFF_TYPE): Ditto.
8289 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8291 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
8293 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8295 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
8296 BIGGEST_FIELD_ALIGNMENT a constant.
8298 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
8300 * dwarf2out.c (output_line_info): Put the marker for the end of
8301 the line number info at the actual end.
8302 (gen_struct_or_union_type_die): Use decl_function_context
8303 to check for local classes.
8304 * dwarfout.c (output_type): Likewise.
8306 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
8308 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
8309 for arguments with a mode, but no type.
8310 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
8311 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
8312 * pa/long_double.h: New file.
8313 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
8314 both have 128bit wide long doubles.
8315 * configure: Rebuilt.
8317 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8319 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
8321 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
8322 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
8323 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
8325 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
8327 * integrate.c (compare_blocks, find_block): Likewise.
8329 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
8331 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
8333 * stmt.c (stmt_status, set_file_and_line_for_stmt,
8334 expand_asm_operands): Likewise.
8336 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
8338 * predict.c (estimate_probability): Added the pointer heuristic to
8339 the collection of static branch predictors.
8341 2000-02-21 Catherine Moore <clm@cygnus.com>
8343 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
8344 * invoke.texi (-mfix7000): Document.
8346 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
8348 * diagnostic.c (init_output_buffer): Make it possible to output at
8349 least 32 characters if we're given a too long prefix.
8351 2000-02-20 Mark Mitchell <mark@codesourcery.com>
8353 * varasm.c (initializer_constant_valid_p): Call
8354 lang_expand_constant to simplify the constant.
8356 2000-02-20 Bruce Korb <bkorb@gnu.org>
8358 * fixinc/inclhack.def(stdio_va_list):
8359 typedef needs to be disabled.
8360 * fixinc/inclhack.sh: regen
8361 * fixinc/fixincl.x: regen
8363 2000-02-20 Geoff Keating <geoffk@cygnus.com>
8365 * print-rtl.c (print_rtx): Don't print addresses when
8366 flag_dump_unnumbered.
8368 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8370 * sparc.c (sparc_output_scratch_registers): Mark parameter with
8372 (sparc_va_arg, sparc_flat_output_function_prologue,
8373 sparc_flat_output_function_epilogue): Cast value to unsigned in
8375 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
8377 * sparc.md: Add default case in switch.
8379 2000-02-19 Richard Henderson <rth@cygnus.com>
8381 * c-typeck.c (add_pending_init): Don't abort for multiple
8382 fields at the same offset.
8383 (pending_init_member): Test the correct member.
8385 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8387 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
8389 (start_catch_handler) : Same.
8391 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
8393 * Makefile.in: Have flow.o depend on $(EXPR_H)
8395 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8397 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
8398 * c-decl.c (duplicate_decls, finish_enum): Likewise.
8399 (finish_decl): Remove -Wlarger-than code from here.
8400 * flags.h (id_clash_len): Now int.
8401 (larger_than_size): Now HOST_WIDE_INT.
8402 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
8403 Clean up checking to see if in table.
8404 (make_bit_field_ref): Remove extra parm to bitsize_int.
8405 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
8406 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
8407 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
8408 and for computing size of decl.
8409 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
8410 Move -Wlarger-than code to here.
8411 (layout_record): Remove extra arg to bitsize_int.
8412 Set TYPE_BINFO_SIZE_UNIT.
8413 (layout_union): Remove extra arg to bitsize_int.
8414 Use proper type for size of QUAL_UNION.
8415 (layout_type): Remove extra arg to bitsize_int.
8416 * toplev.c (id_clash_len): Now int.
8417 (larger_than_size): Now HOST_WIDE_INT.
8418 (decode_W_option): Clean up id-clash and larger-than- cases.
8419 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
8420 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
8421 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
8422 (struct tree_decl): New field size_unit.
8423 (size_int_wide): No HIGH operand; NUMBER is now signed.
8424 (size_int_2): Deleted.
8425 (size_int, bitsize_int): Don't use it and rework args.
8426 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
8428 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
8430 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
8432 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8434 * invoke.texi (Warning Options): Add an explanation of why
8435 you might want the -Wfloat-equal flag.
8437 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8439 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
8440 * cppinit.c (new_pending_define): Add cast to avoid warning.
8441 * expmed.c (extract_bit_field): Likewise.
8442 * flow.c (enum reorder_skip_type): New type.
8443 (skip_insns_between_blcok): New it.
8444 Rework to avoid warning about possibly undefined variable.
8445 * function.c (assign_parms): Make thisparm_boundary unsigned.
8446 * genrecog.c (write_switch): Cast XWINT result to int.
8447 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
8448 * mips-tfile.c (init_file): Make two versions of FDR intializer:
8449 one for MIPS and one for Alpha.
8450 (get_tag, copy_object): Add casts to avoid warnings.
8451 * optabs.c (init_one_libfunc): Cast NAME to (char *).
8452 * reload.c (find_reloads): Make TYPE enum reload_type.
8453 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
8454 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
8455 * varasm.c (compare_constant_1): Add cast to avoid warning.
8456 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
8458 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
8459 Cast switch operand of size to int.
8460 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
8461 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
8464 2000-02-18 Nick Clifton <nickc@cygnus.com>
8466 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
8467 anything for an alignment of zero.
8469 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
8470 anything for an alignment of zero.
8472 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
8474 * gcc.texi (Bug Reporting): Refer to bugs.html.
8475 (Bug Lists): Likewise.
8476 * system.h (GCCBUGURL): New preprocessor define.
8477 * rtl.c (fancy_abort): Use it.
8478 * gcc.c (main): Likewise.
8480 2000-02-18 Richard Henderson <rth@cygnus.com>
8482 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
8483 (life_analysis_1): Subsume into ...
8484 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
8485 Use update_life_info for the relaxation.
8486 (update_life_info): Update REG_BASIC_BLOCK for registers live on
8487 entry and regs_live_at_setjmp.
8488 (set_noop_p): Simplify.
8489 (notice_stack_pointer_modification_1): Renamed from s/_1//.
8490 (record_volatile_insns): Split into ...
8491 (delete_noop_moves): ... here,
8492 (notice_stack_pointer_modification): ... here,
8493 (insn_dead_p): ... and here.
8494 (propagate_block): Don't query INSN_VOLATILE.
8495 (mark_used_regs): Mind !PROP_REG_INFO.
8496 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8497 not in life_analysis.
8499 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8501 * loop.c (canonicalize_condition): New function,
8502 broken out of get_condition.
8503 (get_condition): Use it.
8504 * expr.h (canonicalize_condition): Prototype it.
8506 * tree.h (tree_int_cst_msb): Declare.
8507 * tree.c (tree_int_cst_msb): New function.
8509 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8511 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8514 * invoke.texi (-fmessage-length=n): Document.
8516 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8518 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8520 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8522 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8525 2000-02-17 Nick Clifton <nickc@cygnus.com>
8527 * config/arm/thumb.c: Replace includes of system headers with
8528 #include "system.h".
8530 2000-02-16 Richard Henderson <rth@cygnus.com>
8532 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8533 Add crtbeginS.o and crtendS.o.
8534 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8535 (ENDFILE_SPEC): Use crtendS.o.
8536 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8538 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8539 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8541 (__dso_handle): New variable.
8542 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8543 bias to __CTOR_END__.
8545 2000-02-16 Richard Henderson <rth@cygnus.com>
8547 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8549 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8551 * longlong.h (__clz_tab): Declare as static to match definition.
8553 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8554 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8555 (XREF_FILE_NAME): Define.
8557 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8558 (EH_FRAME_SECTION_ASM_OP): Define.
8559 (IDENT_ASM_OP): Define.
8560 (TEXT_SECTION_ASM_OP): Define.
8562 (CTORS_SECTION_ASM_OP): Define.
8563 (CTOR_SECTION_FUNCTION): Use it.
8564 (DTORS_SECTION_ASM_OP): Define.
8565 (DTOR_SECTION_FUNCTION): Use it.
8567 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8569 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8572 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8573 debug_bb_n): New functions.
8574 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8575 * basic-block.h: Prototype new functions.
8577 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8579 * configure.in: Add support for avr target.
8580 * configure: Rebuilt.
8582 * invoke.texi: Add AVR invocation docs.
8583 * install.texi: Add information about AVR.
8584 * md.texi: Add AVR constraint letters description.
8585 * extend.texi: Add description for AVR specific attributes.
8587 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8589 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8591 2000-02-16 Nick Clifton <nickc@cygnus.com>
8593 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8594 (make_insn_raw): Move RTL check here.
8596 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8598 * version.c: Include gansidecl.h and version.h.
8600 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8602 * configure.in (gcc_version): When setting, narrow search to
8603 lines containing `version_string'.
8605 * Makefile.in (mainversion): Likewise.
8606 (GCC_H): New variable.
8607 (gcc.h): Delete target.
8608 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8609 (version.o): Depend on version.h.
8610 (dbxout.o): Don't depend on gcc.h.
8612 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8613 Michael Meissner <meissner@cygnus.com>
8615 * md.texi (Simple Constraints): Add item about whitespace.
8616 * genoutput.c (strip_whitespace): New.
8617 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8618 strip_whitespace for constraints.
8619 Test pointer using NULL, not 0.
8621 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8623 * cpplib.c (do_line): Pedwarn for #line > 32767.
8625 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8627 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8629 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8630 to default cpp spec.
8631 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8632 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8635 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8638 2000-02-15 Denis Chertykov <denisc@overta.ru>
8640 * configure.in: Add support for avr target.
8642 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8644 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8645 (sh_addr_diff_vec_mode): Don't declare.
8646 * sh.c (sh_addr_diff_vec_mode): Delete.
8648 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8650 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8652 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8654 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8655 (smulsi3_highpart_i): Name.
8656 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8657 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8658 (smulsi3_highpart, umulsi3_highpart): Likewise.
8660 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8661 correctly independent of endianness.
8662 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8663 confuse the optimizers.
8664 (mulsidi3+1, umulsidi3+1): New define_split.
8666 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8668 * config/sh/sh.md: Guard insn splits against illegal registers.
8669 * config/sh/sh.h: Correct comment about macros.
8671 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8672 Andrew MacLeod <amacleod@cygnus.com>
8674 * Makefile.in (lcm.o): Depend on insn-attr.h.
8675 * basic-block.h (optimize_mode_switching): Declare.
8676 * lcm.c (tm_p.h, insn-attr.h): #include.
8677 (seginfo, bb_info): New structs.
8678 (antic, transp, comp, delete, insert) : New file-scope static variables.
8679 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8680 (reg_becomes_live, optimize_mode_switching): Likewise.
8681 * tm.texi: Add description of mode switching macros.
8682 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8684 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8685 (fldi_ok, fpscr_set_from_mem): New prototypes.
8686 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8687 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8688 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8689 (sh_flag_remove_dead_before_cse): Remove declaration.
8690 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8691 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8692 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8693 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8694 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8695 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8696 (fldi_ok): New function.
8697 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8698 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8699 (emit_df_insn): Likewise.
8700 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8701 (sh_flag_remove_dead_before_cse): Delete.
8702 (get_free_reg, fpscr_set_from_mem): New functions.
8703 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8704 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8706 2000-02-15 Loren Rittle <ljrittle@acm.org>
8708 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8710 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8712 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8713 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8715 * cccp.c: Include version.h and/or don't declare `version_string'.
8716 * collect2.c: Likewise.
8717 * alpha.c: Likewise.
8718 * arm/aof.h: Likewise.
8719 * arm/coff.h: Likewise.
8720 * arm/elf.h: Likewise.
8721 * arm/pe.h: Likewise.
8722 * arm/tcoff.h: Likewise.
8723 * arm/telf.h: Likewise.
8724 * arm/tpe.h: Likewise.
8725 * arm/vxarm.h: Likewise.
8726 * convex/convex.c: Likewise.
8727 * i386/dgux.c: Likewise.
8728 * i386/sun386.h: Likewise.
8729 * m88k/m88k.c: Likewise.
8730 * mcore/mcore-pe.h: Likewise.
8731 * mips/mips.h: Likewise.
8732 * romp/romp.h: Likewise.
8733 * sh/sh.c: Likewise.
8734 * cpphash.c: Likewise.
8735 * cppinit.c: Likewise.
8736 * dwarf2out.c: Likewise.
8737 * dwarfout.c: Likewise.
8740 * mips-tfile.c: Likewise.
8741 * protoize.c: Likewise.
8742 * toplev.c: Likewise.
8745 * version.c (version_string): Constify a char*.
8747 * version.h: New file.
8749 2000-02-14 Nick Clifton <nickc@cygnus.com>
8751 * configure.in: Add mcore-elf and mcore-pe targets.
8752 * configure: Regenerate.
8754 * NEWS: Add note that MCore port has been contributed.
8756 * invoke.texi: Document command line switches for MCore port.
8757 * install.texi: Add MCore to list of supported targets.
8759 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8761 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8762 then we will need to import the frame handling functions.
8763 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8764 to import the frames themselves.
8766 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8767 Jason Eckhardt <jle@cygnus.com>
8769 * basic_block.h: Added prototype for reorder_basic_blocks.
8770 * toplev.c: Changes to add -freorder-blocks and graph dump after
8771 block reordering is done.
8772 * flow.c (reorder_block_def): New structure for use during block
8774 (REORDER_BLOCK_*): New macros to access members of above structure.
8775 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8776 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8777 functions for block reordering.
8779 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8781 * gcc.texi (Passes): Fix typo.
8782 * md.texi (Standard Names): Ditto.
8783 * tm.texi (Storage Layout): Ditto.
8785 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8787 * cpplib.c (do_define): Only free the old definition if it
8790 2000-02-13 Neil Booth <NeilB@earthling.net>
8792 * cppfiles.c (read_and_prescan): When emitting deferred
8793 newlines, test speccase[] again instead of checking each
8794 possible whitespace character in turn. When we encounter \r,
8795 look behind for \n first, then ahead.
8797 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8799 * cse.c (cse_altered): New internal flag.
8800 (cse_insn): Set it if we changed an insn.
8801 (cse_main): Clear cse_altered before each basic block.
8802 Only garbage collect if cse_altered is true afterward.
8804 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8806 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8808 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8810 * combine.c (simplify_comparison): Fix typo.
8812 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8814 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8817 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8819 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8820 previously inserted node instead of root node. Caller changed.
8822 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8824 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8826 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8828 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8829 __dereg_frame_dtor): Add prototype argument.
8831 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8833 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8835 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8837 * gthr-vxworks.h (__gthread_once): Likewise.
8839 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8841 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8843 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8844 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8845 stack pointer in functions w/o saved registers, output LEAVE more often
8846 on TARGET_USE_LEAVE machines.
8848 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8850 * config/arm/arm.c (arm_init_cumulative_args); New function:
8851 Initlaise the CUMULATIE_ARGS strcuture for a function
8853 (arm_function_arg): New function: Determine where to place a
8854 function's argument. Also handles deciding the function's
8856 (current_file_function_operand): New function: Return true if
8857 the symbol is a function which has already been compiled.
8858 (arm_is_long_call_p): New function: Return true if the
8859 indicated function should be called via a long call.
8860 (arm_valid_type_attribute_p): New function: Return true if the
8861 attribute is a valid, arm specific, attribute.
8862 (arm_comp_type_attribute): New function: Return true if the
8863 two types have compatable, arm specific, attributes.
8865 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8867 (FUNCTION_ARG): Redefine to call arm_function_arg.
8868 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8870 (INIT_CUMULATIVE_ARGS): Redefine to call
8871 arm_init_cumulative_args.
8872 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8874 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8876 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8878 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8879 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8880 (COMP_TYPE_ATTRIBUTES): Define.
8882 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8883 if a long call is needed.
8884 (call_value): Call arm_is_long_call_p to decide if a long call
8886 (call_symbol): Call arm_is_long_call_p to decide if a long call
8889 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8891 2000-02-11 Denis Chertykov <denisc@overta.ru>
8893 * README.AVR: New file with information about the avr ports.
8894 * config/avr: New directory with avr port files.
8896 2000-02-11 Andreas Jaeger <aj@suse.de>
8898 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8900 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8902 * cpphash.c: Fix formatting, update commentary.
8903 (dump_definition): Take three separate arguments instead of a
8904 MACRODEF structure argument.
8905 * cpphash.h: Update prototype of dump_definition.
8906 * cppinit.c (cpp_finish): Update call of dump_definition.
8908 * cpplib.c (do_define): Always create new hash entry with
8909 T_MACRO type. Remove redundant check for redefinition of
8910 poisoned identifier. Update call of dump_definition.
8911 (do_undef): Don't call check_macro_name. Rename sym_length to
8913 (do_error, do_warning): Don't use copy_rest_of_line or
8915 (do_warning): Don't use pedwarn for the actual warning,
8916 only the notice about its not being in the standard. (Fixes
8917 bug with #warning in system headers.)
8918 (do_ident): Stricter argument checking - accept only a single
8919 string after #ident. Also, macro-expand the line.
8920 (do_xifdef): Use cpp_defined. De-obfuscate.
8922 (do_pragma): Split out specific pragma handling to separate
8923 functions. Use get_directive_token. Update commentary. Do
8924 not pass on #pragma once or #pragma poison to the front end.
8925 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8926 do_pragma_default): New.
8928 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8930 * jump.c (jump_optimize_1): The first operand in a relational
8932 * optabs.c (emit_conditional_move): Handle relationals which
8933 have a known true/false result.
8935 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8937 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8938 a RETURN insn into a block which already ends with a jump.
8940 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8942 * haifa-sched.c (BUF_LEN): Increase a lot.
8944 2000-02-11 Nick Clifton <nickc@cygnus.com>
8946 * configure.in: Add tm_p_file specification for thumb targets.
8947 * configure: Regenerate.
8949 * config/arm/thumb-protos.h: New file: Prototypes for exported
8950 functions defined in thumb.c.
8952 2000-02-11 Robert Lipe <robertl@sco.com>
8954 * Makefile.in (bootstrap-lean): Remove additional files.
8955 (bootstrap2-lean): Likewise.
8956 (VOL_FILES): List of files for above.
8958 2000-02-11 Nathan Sidwell <nathan@acm.org>
8960 * cpphash.c (special_symbol): Remove spurious argument to
8963 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8965 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8967 * configure: Rebuilt.
8969 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8971 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8973 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8975 * pa.c, pa.h: Remove trigraph sequences within comments.
8977 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8979 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8981 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8983 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8985 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8987 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8989 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8991 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8992 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8993 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8994 (ASM_FILE_END): Use c4x_file_end.
8995 * config/c4x/c4x.c (c4x_global_label): New function.
8996 (c4x_external_ref, c4x_file_end): Likewise.
8998 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8999 (c4x_external_ref, c4x_end_file): Likewise.
9001 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
9003 * cppexp.c: Don't include cpphash.h.
9004 (parse_charconst, cpp_lex): Use cpp_defined.
9005 (cpp_lex): Use get_directive_token throughout. Remove
9006 unnecessary cases from switch. Move assertion-handling code
9008 (cpp_parse_expr): If we see '+' or '-', check the context to
9009 determine if they are unary or binary operators. Streamline
9010 the jumps a bit. Do not call skip_rest_of_line.
9012 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
9013 static. Export get_directive_token. Update commentary.
9014 (cpp_defined): New function.
9015 (do_define): Remove reference to T_PCSTRING. Call
9016 free_definition to release memory for old definition, when
9018 (eval_if_expression): Set only_seen_white to 0 before calling
9019 cpp_parse_expr. Call skip_rest_of_line after it returns.
9020 (cpp_read_check_assertion): Don't preserve a pointer into the
9021 token buffer across a call to cpp_get_token.
9023 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
9024 * cppfiles.c (redundant_include_p): Use cpp_defined.
9025 * cpphash.c (free_definition): New function.
9026 (delete_macro): Use it. Update commentary.
9027 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
9029 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
9030 from enum node_type. Prototype cpp_defined and get_directive_token.
9031 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
9033 * fix-header.c (check_macro_names): Use cpp_defined.
9034 (read_scan_file): Set inhibit_warnings and inhibit_errors in
9035 the options structure.
9037 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9039 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
9041 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
9043 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
9044 rather than die->die_tag.
9046 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9048 * combine.c (make_extraction, force_to_mode): Avoid warning on
9049 mixed-signedness conditionals.
9050 (make_field_assignment, nonzero_bits): Likewise.
9051 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
9052 (store_split_bit_field, extract_split_bit_field): Likewise.
9053 (extract_fixed_bit_field, store_bit_field,
9054 * expr.c: Change alignment to be unsigned everywhere.
9055 (move_by_pieces, store_constructor_field, store_constructor):
9056 Alignment parm is unsigned.
9057 (emit_block_move, emit_group_load, emit_group_store): Likewise.
9058 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
9059 (do_compare_rtx_and_jump): Likewise.
9060 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
9061 Compare align with GET_MODE_ALIGNMENT.
9062 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
9063 (get_inner_reference): Likewise.
9064 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
9065 (expand_assignment): Local vars for alignment now unsigned.
9066 (store_constructor, store_field, expand_expr, do_jump): Likewise.
9067 (do_compare_and_jump): Likewise.
9068 (store_field): Call new function expr_align.
9069 * expr.h (emit_block_move, emit_group_load, emit_group_store):
9070 Alignment arg now unsigned.
9071 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
9072 (do_compare_rtx_and_jump, store_bit_field): Likewise.
9073 (extract_bit_field): Likewise.
9074 * fold-const.c (add_double): Add cast to eliminate signedness warning.
9075 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
9076 (get_best_mode): Alignment arg is unsigned.
9077 * rtl.h (move_by_pieces): Likewise.
9078 * store-layout.c (maximum_field_alignment, set_alignment):
9080 (layout_decl): Alignment arg is now unsigned.
9081 Remove unneeded casts.
9082 (layout_record, layout_union, layout_type): Remove unneeded casts.
9083 Local alignment variables now unsigned.
9084 (get_best_mode): Alignment arg now unsigned.
9085 * tree.c (expr_align): New function.
9086 * tree.h (expr_align): Likewise.
9087 (maximum_field_alignment, set_alignment): Now unsigned.
9088 (get_inner_reference): Alignment argument is now pointer to unsigned.
9089 * varasm.c (assemble_variable): Add cast to eliminate warning.
9091 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
9093 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
9094 then store directly into op0.
9096 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
9097 the CALL_INSN, and emit the note immediately after it.
9099 2000-02-10 Nick Clifton <nickc@cygnus.com>
9101 * config/arm/thumb.md (epilogue): Include a (return) in the
9102 generated insn, and emit it using emit_jump_insn not
9105 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
9107 * function.c (assign_temp): Change zero-sized arrays to size 1.
9108 * integrate.c (expand_inline_function): Do not update
9109 stack_alignment_needed
9110 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
9111 add some sanity checking, remove optimization for function with
9114 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9116 * flow.c (mark_regs_live_at_end): Delete unused variables.
9118 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
9120 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
9121 in macro FRAME_GROWS_DOWNWARD.
9123 * stmt.c (expand_end_bindings): Delete unused variable.
9125 * unroll.c (iteration_info): Mark parameter `loop' with
9128 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9130 * fixinc/server.c (load_data): Return NULL if the marker line is
9132 (run_shell): If load_data returns NULL, retry the command once, in
9135 * configure: Rebuilt.
9137 2000-02-09 Bruce Korb <bkorb@gnu.org>
9139 * gcc/fixincludes: ** DELETED **
9140 * gcc/fixcpp: ** DELETED **
9141 * gcc/fixinc-nt.sed: ** DELETED **
9142 * gcc/just-fixinc: ** DELETED **
9143 * gcc/Makefile.in: Removed out-dated commentary
9144 * gcc/configure.in: Removed fast-fixincludes disablement.
9145 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
9147 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9148 * function.c (thread_prologue_and_epilogue_insns): Uncomment
9151 2000-02-09 Richard Henderson <rth@cygnus.com>
9153 * jump.c (delete_insn): Don't delete user labels at -O0.
9155 2000-02-09 Robert Lipe <robertl@sco.com>
9157 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
9158 Don't link with HOST_LIBS.
9160 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9162 * configure.in: Correct --help text for --with-dwarf2.
9163 Put tm-dwarf2.h after other tm files, if it's requested.
9164 * configure: Regenerate.
9165 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
9168 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9170 * cpplib.h: Provide HASHNODE typedef and forward decl of
9171 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
9172 DEFINITION, struct hashnode, struct macrodef, struct
9173 definition, scan_decls prototype, default defn of
9174 INCLUDE_LEN_FUDGE moved elsewhere.
9176 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
9177 definition, and struct hashnode moved here. Remove the unused
9178 'predefined' field from struct definition. Replace the 'args'
9179 union with its sole member. All users updated (cpphash.c).
9180 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
9181 multiple include guard.
9183 * cpphash.c (hashf): Make static; use better algorithm; drop
9184 HASHSIZE parameter; return an unsigned int.
9185 (cpp_lookup): Drop HASH parameter. PFILE parameter is
9186 used. Calculate HASHSIZE modulus here.
9187 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
9189 (create_definition): Drop PREDEFINITION parameter.
9190 * cpplib.c (do_define): Don't calculate a hash value here.
9191 Don't pass (keyword == NULL) to create_definition.
9193 * scan.h: Prototype scan_decls here.
9194 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
9195 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
9196 callers of cpp_lookup and cpp_install updated.
9198 * cpphash.c (macarg): Hoist all the flag diddling out of the
9200 (macroexpand): ... and out of the loop that calls macarg.
9201 Skip over the initial paren before macro arguments with
9202 cpp_get_non_space_token; point may be some distance before
9203 that paren. Abort if it's not there.
9205 * cpplib.c (parse_clear_mark): Delete function.
9206 (parse_set_mark, parse_goto_mark): Make static.
9207 (ACTIVE_MARK_P): New macro.
9208 (skip_block_comment, skip_line_comment): Do not bump the line
9209 if ACTIVE_MARK_P is true.
9210 (cpp_pop_buffer): The buffer to be popped may not have an
9212 (cpp_get_token): When looking for the initial paren before
9213 macro arguments, only set a mark in a file buffer, Always
9214 return to that mark before proceeding to call macroexpand or
9215 return a NAME token.
9217 * cpplib.h: Remove prototypes of parse_set_mark,
9218 parse_clear_mark, parse_goto_mark.
9219 (struct cpp_options): Rename 'put_out_comments' to
9220 'discard_comments' and invert its sense.
9221 * cppinit.c, cpphash.c, cpplib.c: All users of
9222 put_out_comments changed to use discard_comments, with
9225 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9227 * function.c (thread_prologue_and_epilogue_insns): Don't delete
9228 the edge from a block that both jumps and falls through to the
9231 2000-02-09 Scott Bambrough <scottb@netwinder.org>
9233 * config/arm/arm.md (movsi): In PIC mode, make sure that a
9234 constant source address is legitimate.
9236 2000-02-09 Philip Blundell <pb@futuretv.com>
9238 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
9241 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
9243 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
9245 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9247 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
9248 ends with a newline and a NUL. Don't be so clever manipulating
9251 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
9253 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
9254 not to BIGGEST_ALIGNMENT.
9256 2000-02-08 Geoff Keating <geoffk@cygnus.com>
9258 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
9259 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
9260 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
9261 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
9262 * frame.c (execute_cfa_insn): Handle
9263 DW_CFA_GNU_negative_offset_extended.
9265 2000-02-08 Richard Henderson <rth@cygnus.com>
9267 * flow.c (tidy_fallthru_edges): Split out from ...
9268 (delete_unreachable_blocks): ... here.
9269 (find_basic_blocks): Use it.
9271 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9273 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
9275 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
9277 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
9278 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
9279 (fix-header.o): Don't depend on cpphash.h.
9281 * scan.c (hashstr): New function.
9282 * scan.h: Prototype it.
9283 * fix-header.c: Don't include cpphash.h. Use hashstr.
9284 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
9285 hashstr. Report hash table statistics. Add private
9286 definition of xrealloc.
9288 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9290 * i386.h (TARGET_SWITCHES): Fix typo in option name.
9292 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
9294 * function.c (thread_prologue_and_epilogue_insns): Don't replace
9295 jumps with returns unless they are jumps to the fallthru block.
9297 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
9299 * i386.md (addqi3_cc): Fix contraints.
9301 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9303 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
9305 2000-02-07 Mark Mitchell <mark@codesourcery.com>
9307 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
9308 carriage return after a macro name.
9310 2000-02-07 Fred Fish <fnf@be.com>
9312 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
9313 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
9315 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
9317 * cppfiles.c (deps_output): Count spacers in deps_column.
9319 2000-02-07 Neil Booth <NeilB@earthling.net>
9321 * cppinit.c (initialize_dependency_output): If there is no
9322 suffix, don't try to look for known suffixes. Use strrchr.
9323 (cpp_start_read): Remove duplicate initialization.
9325 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
9327 * calls.c (compute_argument_block_size): New argument
9328 preferred_stack_boundary.
9329 (expand_call): update cfun->preferred_stack_boundary, update call of
9330 compute_argument_block_size
9331 (emit_library_call): Increate cfun->preferred_stack_boundary
9332 to PREFERRED_STACK_BOUNDARY
9333 (emit_library_call_value): Likewise.
9334 * explow.c (allocate_dynamic_stack_spave): Likewise.
9335 * function.c (prepare_function_start): Set
9336 cfun->preferred_stack_boundary
9337 * function.h (struct function): Add preferred_stack_boundary field.
9338 * integrate.c (expand_inline_function): Update
9339 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
9340 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
9341 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
9343 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
9345 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
9346 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
9347 cpp_pedwarn, cpp_pedwarn_with_line,
9348 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
9349 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
9350 v_cpp_error_with_line, v_cpp_warning_with_line,
9351 cpp_message_from_errno, cpp_perror_with_name): Delete.
9353 * cpperror.c (cpp_print_containing_files): Take starting
9355 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
9356 (v_cpp_message): Now called directly by all entry points.
9358 (cpp_pfatal_with_name, cpp_message): Delete.
9359 (cpp_notice_from_errno, cpp_ice): New functions.
9360 (cpp_notice): Is now for reporting error conditions, just
9361 without an associated file.
9362 (cpp_error, cpp_error_with_line): Don't do anything if
9363 opts->inhibit_errors is on.
9364 (cpp_pedwarn_with_file_and_line): Take column argument also.
9366 * cpplib.h: Update prototypes of exported functions.
9367 (struct cpp_options): Add inhibit_errors.
9369 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
9370 non-error messages. Include intl.h.
9372 * cppinit.c, cppmain.c: Likewise. Also, use
9373 cpp_notice_from_errno instead of cpp_perror_with_name or
9374 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
9376 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
9377 report internal errors.
9379 * cpplib.c (do_define): Switch bcopy to memcpy.
9380 Give cpp_pedwarn_with_file_and_line a dummy column argument.
9382 * cpplib.c (copy_rest_of_line): Revert previous change: don't
9383 bail out early if we hit a line comment.
9385 2000-02-06 Richard Henderson <rth@cygnus.com>
9387 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
9388 * basic-block.h: Declare them.
9389 * emit-rtl.h (active_insn_p): New.
9390 (next_active_insn, prev_active_insn): Use it.
9391 * rtl.h: Declare it.
9392 * function.c (emit_return_into_block): New.
9393 (thread_prologue_and_epilogue_insns): Insert return insns instead
9394 of epilogues when possible.
9395 * jump.c (jump_optimize_1): Remove code to insert a return insn
9396 on the fallthru to the exit block.
9398 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
9399 and for non-empty stack frames.
9400 * i386.md (return): Expand to return-pop as needed.
9402 2000-02-06 Richard Henderson <rth@cygnus.com>
9404 * simplify-rtx.c (simplify_relational_operation): Canonicalize
9405 constant to op1 for testing.
9407 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9409 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
9410 (fixuns_truncqfqi2): Use it.
9412 2000-02-06 Richard Henderson <rth@cygnus.com>
9414 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
9417 * i386.md (widening and peepholes): Mask the constant instead of
9420 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9422 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
9423 input pointer before possibly branching off to the backslash
9425 * cpphash.c (macroexpand): Correctly delete \r escapes when
9426 stringifying parameters.
9427 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
9428 if we can; bail out early if we hit a line comment.
9429 (handle_directive): Treat '# 123' in an .S file just like
9430 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
9431 Return 1 for '# not_a_directive'.
9432 (get_directive_token): Pop macro buffers here, so that
9433 cpp_get_token can't sneakily move past a newline.
9435 (cpp_get_token): goto randomchar if handle_directive returns 0.
9437 * cppalloc.c: Update copyright.
9438 * cpplib.c: Merge all the static function prototypes into one
9440 * cpplib.h: Remove #if 0 block.
9442 * cpperror.c: Remove #ifdef EMACS block.
9443 * cppmain.c: Likewise.
9444 * cpphash.c: Remove #if 0 blocks.
9445 * cppinit.c: Remove #if 0 blocks, and the -lint option.
9446 * cpplib.c: Remove #if 0 blocks and code referencing
9447 pcp_inside_if or for_lint. Remove duplicate error message.
9448 Fix error messages for #else after #else or #elif. Reformat.
9449 Remove archaic TODO list.
9450 * cpplib.h: Remove pcp_inside_if and for_lint flags.
9452 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9454 * i386/osf1elf.h: Add missing backslash to multiline string.
9456 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9458 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
9460 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9462 * Makefile.in (c-common.o): Depend on $(EXPR_H).
9464 * c-common.c: Include expr.h.
9466 * c-pragma.c (mark_align_stack): Add prototype.
9468 * caller-save.c (add_stored_regs): Likewise.
9470 * combine.c (record_promoted_value): Likewise.
9472 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
9475 * cppinit.c (new_pending_define): Likewise.
9477 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
9479 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
9480 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
9481 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
9482 class_scope_p): Likewise.
9484 * dwarf2out.h (dwarf2out_set_demangle_name_func,
9485 dwarf2out_add_library_unit_info): Likewise.
9487 * ggc.h (ggc_page_print_statistics): Likewise.
9489 * haifa-sched.c (propagate_deps): Likewise.
9491 * reg-stack.c (next_flags_user, record_label_references): Likewise.
9493 * rtl.h (set_stack_check_libfunc): Likewise.
9495 * toplev.h (set_fatal_function): Likewise.
9497 * toplev.c (set_fatal_function): Delete prototype.
9499 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9501 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9503 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9504 (FUNC_END): Likewise.
9506 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9508 * caller-save.c: Include tm_p.h.
9510 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9512 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9514 2000-02-04 Neil Booth <NeilB@earthling.net>
9516 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9519 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9521 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9522 * genflags.c: Use the max_operand_1 logic from genemit.c to
9523 calculate how many arguments gen_insn prototypes have. Remove
9524 NO_MD_PROTOTYPES ifdefs from the generated file.
9525 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9526 file. Cast gen_insn initializers to insn_gen_fn.
9527 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9528 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9530 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9532 * fixinc/Makefile.in (HDR): Add machname.h.
9535 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9537 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9538 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9539 (c4x_cpu_version): Ditto.
9540 * config/c4x/c4x-protos.h: ... here.
9542 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9544 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9545 gen_abstract_function on our context if we're a nested function.
9547 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9549 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9550 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9552 2000-02-04 Bruce Korb <bkorb@gnu.org>
9554 * fixinc/genfixes(machname.h):
9555 Move the functionality from gen-machine.h into this file.
9556 UNdef MN_NAME_PAT if there are no names to change.
9557 Also, be a little kinder when AutoGen is not present.
9559 * fixinc/Makefile.in(machname.h):
9560 Change the generation rule to use genfixes.
9562 * fixinc/fixfixes.c(machine_name):
9563 machine_name_fix's functionality now dependent upon whether
9564 MN_NAME_PAT is defined.
9566 * fixinc/fixtests.c(machine_name):
9569 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9572 * fixinc/fixlib.h(mn_get_regexps):
9575 * fixinc/gen-machine.h: DELETED
9577 2000-02-04 Jan Hubicka <jh@suse.cz>
9578 Richard Henderson <rth@cygnus.com>
9580 * i386.c (SAVE_REGS_FIRST): Remove.
9581 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9582 (ix86_compute_frame_size): Likewise.
9583 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9584 (ix86_emit_restore_regs): Remove.
9585 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9586 when a frame pointer is in use.
9587 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9588 instead of pop to restore a register when profitable; emit leave
9590 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9592 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9593 * i386.md (prologue_allocate_stack): Remove.
9594 (epilogue_deallocate_stack): Remove.
9595 (pro_epilogue_adjust_stack): New.
9597 2000-02-04 Richard Henderson <rth@cygnus.com>
9599 * function.c (diddle_return_value): Rework to use a callback function.
9600 Use current_function_return_rtx if it's been set up.
9601 (do_clobber_return_reg, clobber_return_register): New.
9602 (do_use_return_reg, use_return_register): New.
9603 (expand_function_end): Use them.
9604 * stmt.c (expand_null_return): Likewise.
9605 * function.h: Declare them.
9606 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9607 (mark_reg): Change arguments as appropriate for callback.
9608 * integrate.c (expand_inline_function): Revert 19 Jan change.
9610 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9612 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9613 (Misc): Say the scheduler, not the Haifa scheduler.
9615 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9617 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9618 when in_mem is set. Update all callers.
9620 2000-02-04 Richard Henderson <rth@cygnus.com>
9622 * i386/openbsd.h (INT_ASM_OP): Define.
9624 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9626 * tm.texi: Fix various typos.
9628 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9630 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9631 (MD_STARTFILE_PREFIX_1): New macro.
9633 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9635 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9636 destination when needed.
9637 (strmovsi, strsetsi): New expander.
9638 (strmovsi_1, strsetsi_1): New pattern.
9639 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9640 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9641 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9642 * invoke.texi (align-stringops, inline-all-stringops): Document.
9644 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9646 * i386/netbsd.h (INT_ASM_OP): Define.
9648 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9650 * cpplib.h (cpp_reader): Add new flag, no_directives.
9651 * cpphash.c (macarg): Set it.
9652 * cpplib.c (handle_directive): If no_directives is on and we
9653 find a directive, issue an error and discard the line.
9655 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9657 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9658 FP constants. Add ! TARGET_FPU check for FP constants.
9660 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9662 * flow.c (find_basic_blocks): Don't kill label_value_list
9664 (cleanup_cfg): Kill it here.
9666 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9668 * expr.c (store_field): Ensure ALIGN is no stricter than the
9671 2000-02-02 Richard Henderson <rth@cygnus.com>
9673 * jump.c (delete_insn): Partially revert 19 Jan change;
9674 don't convert unused code labels to notes at -O0.
9676 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9678 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9679 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9681 2000-02-01 Richard Henderson <rth@cygnus.com>
9683 * i386.c (general_no_elim_operand): New.
9684 (nonmemory_no_elim_operand): New.
9685 (ix86_expand_move): Copy eliminable operands before a push.
9686 * i386-protos.h: Declare new functions.
9687 * i386.h (CAN_ELIMINATE): Simplify.
9688 (PREDICATE_CODES): Update.
9689 * i386.md (push insns): Don't allow eliminable register operands.
9691 2000-02-01 Richard Henderson <rth@cygnus.com>
9693 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9694 replace BLKmode with DECL_RTL's mode.
9696 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9698 * frame.c (find_fde): Convert for loop to do-while so compiler
9699 sees it's always executed at least once.
9700 * libgcc2.c (BBINBUFSIZE): Kill.
9701 (__bb_init_prg): Use fgets.
9702 (__bb_exit_trace_func): Don't paste strings.
9703 * unroll.c (unroll_loop): Initialize unroll_type, not
9704 unroll_number, and tweak logic to match.
9706 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9708 (ix86_flags_dependant): Likewise. Disentangle control flow.
9709 (ix86_sched_reorder): Break guts out to
9710 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9711 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9714 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9715 use string concatenation. Don't save and restore esi.
9717 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9718 (machname.h): Remove script to separate file. Use two-step
9719 sequence so target is not created if script fails.
9720 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9721 identifiers are defined.
9722 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9723 an empty string, machine_name doesn't need to do anything at
9725 (is_cxx_header): Add more cases to regexp.
9726 * fixinc/fixlib.h: Update prototype.
9727 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9729 * fixinc/fixincl.c: Define NO_BOGOSITY.
9731 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9732 (hp_sysfile): Add missing comma.
9733 (math_exception): Put the wrapper ifdefs at the beginning and
9734 the end of the file.
9735 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9737 2000-02-01 Richard Henderson <rth@cygnus.com>
9739 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9740 Use CONST0_RTX. Update all callers.
9741 * sparc.h, sparc-protos.h: Update accordingly.
9742 * sparc.md (fp mov insns): Use fp_zero_operand directly
9745 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9747 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9750 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9752 * Makefile.in (specs.ready): New target.
9753 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9755 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9757 * fixinc.irix: Use unique filenames for writing into /tmp,
9758 * fixinc.ptx: Likewise.
9759 * fixinc.sco: Likewise.
9760 * fixinc.svr4: Likewise.
9761 * fixinc.winnt: Likewise.
9763 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9765 * tsystem.h: New file.
9767 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9768 s-crtS): Depend on tsystem.h.
9770 * crtstuff.c: Include tsystem.h.
9771 * frame.c: Likewise.
9772 * libgcc2.c: Likewise.
9774 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9776 * builtins.c (expand_builtin_memset): Expand for variable sized
9779 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9781 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9784 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9786 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9788 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9790 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9792 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9793 case 3->2 combining (combining with splitting) in which 2 is CC0
9794 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9795 checked at the begining of the function with the aid of calling
9796 function 'can_combine_p'.
9798 2000-01-31 Dave Brolley <brolley@redhat.com>
9800 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9802 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9804 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9807 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9809 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9811 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9814 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9816 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9817 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9818 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9819 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9820 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9821 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9822 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9823 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9824 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9825 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9827 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9828 Add %(cpp_cpu) to CPP_SPEC.
9830 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9831 Add %(cc1_cpu) to CC1_SPEC.
9833 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9835 * c-decl.c (c_decode_option): Accept optional numeric argument to
9836 -Wformat and set warn_format.
9837 * c-common.c: Don't emit warning about non-constant printf format
9838 string unless warn_format > 1.
9840 2000-01-30 Richard Henderson <rth@cygnus.com>
9842 * alpha.md (return_internal): Allow after reload only.
9844 2000-01-30 Richard Henderson <rth@cygnus.com>
9846 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9847 local frame size is zero.
9849 2000-01-30 Richard Henderson <rth@cygnus.com>
9851 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9852 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9853 * alpha.md (return): Turn into an expander.
9854 (return_internal): Don't use $26.
9855 (epilogue): Emit the return insn.
9857 2000-01-30 Richard Henderson <rth@cygnus.com>
9859 * alpha.md (negtf2, abstf2): Fix word order thinko.
9861 (trunctfsf2): Avoid intermediate rounding errors.
9863 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9865 * cppfiles.c (find_position): Drop 'colp' argument, return the
9867 (read_and_prescan): Adjust to match. Don't ever manipulate
9868 line or line_base except via find_position.
9870 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9872 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9873 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9876 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9878 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9879 just print "<command line>". If 'filename' is null or an
9880 empty string, print "<stdin>" for the filename.
9881 * cpplib.c (do_define): Don't print the 'location of the
9882 previous definition' message if we're still parsing the
9884 (cpp_pedwarn_with_file_and_line): Always call
9885 cpp_file_line_for_message.
9887 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9889 * flow.c (mark_regs_live_at_end): Fix typo.
9891 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9893 * c-common.c: Adjust variable names, comments, help strings to c99.
9894 * c-lex.c: Likewise.
9895 * c-parse.y: Likewise.
9896 * c-tree.h: Likewise.
9898 * cpplib.h: Likewise.
9899 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9900 * cppinit.c: Likewise.
9902 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9904 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9905 * c4x.c: Define the optab rtx values.
9906 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9907 (c4x_emit_libcall): Use new optab rtx values.
9908 (c4x_emit_libcall3): Likewise.
9909 (c4x_emit_libcall_mulhi): Likewise.
9910 * c4x-protos.h: Add prototypes for optab rtx values and change
9911 prototypes for above c4x_emit_libcall functions.
9913 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9915 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9917 (c4x_function_prologue): Use regnames intead of float_reg_names when
9919 (c4x_function_epilogue): Likewise.
9920 (c4x_print_operand): Likewise.
9921 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9922 * c4x.md (set_high): Disable for TARGET_TI.
9924 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9926 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9927 of framepointer + constant to ADDR_REGS class.
9928 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9929 * c4x.c (std_or_reg_operand): New function.
9930 * c4x-protos.h (std_or_reg_operand): Prototype it.
9932 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9934 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9935 object names as libgcc2.c.
9936 * libgcc.S: Use newly defined names.
9938 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9939 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9941 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9942 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9943 (FLOW_LOOP_LAST_BLOCK): Likewise.
9945 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9947 * basic-block.h (struct loop): New fields 'first' and 'last'.
9948 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9949 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9950 and loop->last to check for NOTE_INSN_LOOP_END.
9952 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9954 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9955 of the loop descriptor rather than HEADER and LATCH. Also added
9956 missing break statements as well making some coding style modifications
9957 as suggested by Michael Hayes.
9959 2000-01-28 Richard Henderson <rth@cygnus.com>
9961 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9962 Break out that code ...
9963 (cleanup_cfg): ... here.
9964 (commit_one_edge_insertion): Detect a return instruction being
9965 emitted to an edge. Emit a barrier following; clear fallthru.
9966 (commit_edge_insertions): Verify CFG consistency.
9967 * function.c (expand_function_start): Kill unused variable.
9968 (expand_function_end): Likewise.
9969 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9970 to insert the epilogue.
9972 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9973 (delete_null_pointer_checks): Likewise.
9974 * output.h: Likewise.
9975 * reg-stack.c (reg_to_stack): Likewise.
9976 * toplev.c (rest_of_compilation): Likewise. Run
9977 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9979 2000-01-28 Richard Henderson <rth@cygnus.com>
9981 * Makefile.in (flow.o): Revert 24 Jan change.
9982 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9983 FUNCTION_VALUE result to DECL_RESULT's mode.
9985 * haifa-sched.c (schedule_insns): Don't recompute reg info
9988 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9990 * configure.in: Make --enable-cpplib the default.
9991 * configure: Regenerate.
9992 * gcc.dg/990119-1.c: No longer expected to fail.
9994 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9996 * jump.c (jump_optimize_1): Delete an optimization that is also done
9997 by merge_blocks in flow.
9999 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10001 * diagnostic.c (build_message_string, output_printf,
10002 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
10003 (build_location_prefix): Fix non-literal format string.
10005 2000-01-27 Richard Henderson <rth@cygnus.com>
10007 * alpha.md (trunctfsf2): New.
10009 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
10011 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
10013 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
10015 * cppinit.c (cpp_handle_option): Recognize C++ comments under
10017 * cpplib.c (skip_block_comment, skip_line_comment): Split code
10019 (skip_comment) ... here. Permit C++ comments in system
10020 headers always. Warn about C++ comments in user code under
10021 -std=gnu89 -pedantic.
10022 (copy_comment): Use skip_comment.
10023 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
10025 (consider_directive_while_skipping, do_else, do_endif): Call
10026 validate_else unconditionally.
10027 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
10028 text after the conditional in a system header.
10029 * cpplib.h (struct cpp_buffer): Add flag
10030 warned_cplusplus_comments.
10032 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
10034 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
10035 Use unshare_all_rtl_1.
10036 (unshare_all_rtl_again): New function.
10037 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
10039 * function.c (purge_addressof_1): Use unshare_all_rtl_again
10040 rather than resetting the 'used' flags ourself.
10042 * toplev.c (rest_of_compilation): Add current_function_decl
10043 to the unshare_all_rtl call.
10044 * tree.h: Prototype unshare_all_rtl.
10045 * rtl.h: Prototype unshare_all_rtl_again here.
10047 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
10049 * genoutput.c (output_prologue): Include ggc.h in generated
10051 * Makefile.in (insn-output.o): Depends on ggc.h.
10053 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
10054 Hans-Peter Nilsson <hp@bitrange.com>
10056 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
10057 Remove redundant include of xm-ns32k.h.
10058 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
10059 Remove redundant include of xm-ns32k.h.
10060 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
10061 Remove redundant include of xm-ns32k.h.
10062 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
10064 * ns32k/ns32k.h: Update comment on multiply-add instructions.
10065 (TARGET_SWITCHES): Add documentation strings.
10066 (DWARF_FRAME_REGNUM): Override default definition.
10067 (REG_CLASS_CONTENTS): Add comments.
10068 (SUBSET_P): Format to reduce line length.
10069 (SMALL_REGISTER_CLASSES): Make a run time option.
10070 (GO_IF_NONINDEXED_ADDRESS): Reformat.
10071 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
10072 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
10073 (regclass_map): fix typo in comment.
10074 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
10075 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
10076 (trace, reg_or_mem_operand): Delete, unused function.
10077 (calc_address_cost): Small offsets are cheaper than large ones.
10078 (expand_block_move): Generate more efficient code when bytes is a
10079 known at compile time.
10080 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
10081 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
10082 instead of reg_or_mem_operand.
10084 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
10085 not general_operand. Similarly use "=rm" or stricter, not "=g".
10086 For input operands, use stricter constraints than "g" if not
10087 general_operand. Similarly use stricter predicate than
10088 "general_operand" when stricter constraints than "g" are present,
10089 except for matching constraints.
10090 (movstrsi): Use "memory_operand" for operands 0 and 1.
10091 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
10092 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
10093 not reg_or_mem_operand.
10094 (udivmoddisi4): Ditto.
10095 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
10096 Use nonimmediate_operand for operand 3, not register_operand.
10097 (udivmoddiqi4_internal): Use register_operand for operand 1, not
10098 reg_or_mem_operand.
10100 2000-01-27 Fred Fish <fnf@be.com>
10102 * gthr-posix.h: Fix typo; compatibily -> compatibility.
10103 * gthr-single.h: Likewise.
10104 * gthr-solaris.h: Likewise.
10105 * gthr-vxworks.h: Likewise.
10106 * gthr-win32.h: Likewise.
10107 * gthr.h: Likewise.
10109 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
10111 * cppinit.c: Add " (cpplib)" to end of string printed by
10114 2000-01-27 Richard Henderson <rth@cygnus.com>
10116 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
10117 testing for a signed comparison.
10118 (alpha_emit_floatuns): New.
10119 * alpha-protos.h: Declare it.
10120 * alpha.md (floatunsdisf2, floatunsdidf2): New.
10121 (extendsfdf2): Tidy.
10123 2000-01-27 Jakub Jelinek <jakub@redhat.com>
10125 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
10126 no -g option specifying debugging format, default to -gstabs+.
10128 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10130 * calls.c (special_function_p): New argument fork_or_exec.
10131 (expand_call): When profile_arc_flag is set and the function
10132 is in the fork_or_exec group, call __bb_fork_func first.
10133 * libgcc2.c, _bb module (__bb_fork_func): New function.
10134 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
10136 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
10137 * tree.h (special_function_p): Update prototype.
10139 2000-01-26 Richard Henderson <rth@cygnus.com>
10141 * alpha.c (alpha_split_tfmode_pair): New.
10142 * alpha-protos.h: Declare it.
10143 * alpha.md (abstf2, negtf2): New.
10144 (movtf insn): Add input G constraint.
10145 (movtf splitter): Use alpha_split_tfmode_pair.
10147 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10149 * i386/cygwin.h: PROTO -> PARAMS.
10151 2000-01-26 Jakub Jelinek <jakub@redhat.com>
10153 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
10154 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
10155 using _Qp_cmp/_Q_cmp and testing the return value.
10156 (print_operand): Call reverse_condition_maybe_unordered if
10157 we are handling CCFPmode or CCFPEmode.
10158 Handle ORDERED, UN* and LTGT comparisons.
10159 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
10160 if not TARGET_HARD_QUAD.
10161 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
10162 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
10163 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
10164 Adjust gen_b* calls so that they reflect return comparison of
10165 sparc_emit_float_lib_cmp.
10167 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10169 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
10170 incoming operands array is large enough for one more operand.
10171 (alpha_emit_xfloating_arith): Likewise.
10173 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10175 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
10176 file with one line and no trailing newline.
10177 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
10178 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
10179 checking if the match is on the line.
10180 * fixinc/gnu-regex.c: Provide regerror not __regerror.
10182 2000-01-25 Richard Henderson <rth@cygnus.com>
10184 * sparc.c (output_cbranch): Fix accidental squashing of the
10185 fp branch pre-delay nop.
10187 2000-01-25 Richard Henderson <rth@cygnus.com>
10189 * tree.def (UNNE_EXPR): Remove.
10190 * c-typeck.c (build_binary_op): Don't handle it.
10191 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
10193 * rtl.def (UNNE): Remove.
10195 * jump.c (reverse_condition): Update accordingly.
10196 (swap_condition): Likewise.
10197 (comparison_dominates_p): Handle unordered comparisons.
10198 (reverse_condition_maybe_unordered): New.
10199 * rtl.h (reverse_condition_maybe_unordered): Declare.
10201 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
10202 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
10203 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
10204 * sparc.md (bltgt): New.
10206 2000-01-25 Nick Clifton <nickc@redhat.com>
10208 * emit-rtl.c (emit_insn): Only check machine class insns for
10209 improper emission of a RETURN.
10211 2000-01-25 Richard Henderson <rth@cygnus.com>
10213 * Makefile.in (flow.o): Depend on $(EXPR_H).
10214 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
10215 duplicate the structure of diddle_return_value for keeping regs live.
10217 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10219 * loop.c (current_loop_info): Delete.
10220 (consec_sets_invariant_p): Add loop argument, update callers.
10221 (get_condition_for_loop): Likewise.
10222 (count_nonfixed_reads, update_giv_derive): Likewise.
10223 (simplify_giv_expr, general_induction_var): Likewise.
10224 (consec_sets_giv, recombine_givs): Likewise.
10225 (move_movables): Delete loop_start and loop_end arguments,
10226 add loop argument, and update callers.
10227 (find_mem_givs, check_final_value): Likewise.
10228 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
10229 (loop_invariant_p): Rename from invariant_p, add loop argument, and
10231 (basic_induction_var): Add loop argument, delete loop_level argument,
10232 and update callers.
10233 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
10234 add loop argument, and update callers.
10235 (find_splittable_regs, find_splittable_givs): Likewise.
10236 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
10237 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
10238 (biv_total_increment): Delete loop_start and loop_end arguments;
10240 (precondition_loop_p): Delete loop_start and loop_info arguments;
10242 * loop.h (get_condition_for_loop): Add loop argument.
10243 (biv_total_increment): Delete loop_start and loop_end arguments.
10244 (precondition_loop_p): Delete loop_start and loop_info arguments;
10246 (final_biv_value): Delete loop_start and loop_end arguments;
10248 (final_giv_value, back_branch_in_range_p): Likewise.
10250 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10252 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
10254 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10256 * Makefile.in (c-gperf.h) : Change the "See" pointer to
10257 point to the new "generated_files" doc.
10259 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10261 * config/fp-bit.c (_unord_f2): Fix typo.
10263 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10265 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
10266 c-typeck.c, objc/objc-act.c: Remove all references to obstack
10267 functions obsoleted by GC, such as push_obstacks_nochange,
10268 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
10269 and code which existed only to decide whether or not to call
10270 them. Remove now-unused NESTED argument from start_function;
10271 all callers changed. Do not change behavior based on ggc_p.
10272 The use of the ixp_obstack in c-iterate.c and the util_obstack
10273 in objc/objc-act.c remain; these are not obsoleted by garbage
10275 * c-tree.h: Update prototype for start_function.
10277 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
10279 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10281 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
10284 2000-01-25 Richard Henderson <rth@cygnus.com>
10286 * sparc-protos.h (select_cc_mode): Declare.
10287 * sparc.c (select_cc_mode): New. Handle unordered compares.
10288 (output_cbranch): Always reverse via code change. Handle
10289 unordered compares. Factor tests and string updates.
10290 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
10291 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
10292 * sparc.md (bunordered, bordered): New.
10293 (bungt, bunlt, buneq, bunge, bunle): New.
10295 2000-01-25 Richard Henderson <rth@cygnus.com>
10297 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
10298 * ggc-common.c (ggc_add_rtx_varray_root): New.
10299 (ggc_mark_rtx_varray): New.
10300 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
10301 functions down below ggc_mark_foo.
10302 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
10304 2000-01-25 Richard Henderson <rth@cygnus.com>
10306 * alpha.c (secondary_reload_class): Don't allocate a secondary
10307 for integral mode memories into FLOAT_REGS. Rearrange the more
10308 complicated memory expression inward.
10310 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10312 * inclhack.def: Fixes to play nicer with FreeBSD, and
10313 corrections to comments.
10314 (cxx_unready): Add select expression.
10315 (irix_sockaddr): Add bypass expression.
10316 (machine_ansi_h_va_list): New fix.
10317 (stdio_va_list): No need to edit _BSD_VA_LIST_.
10318 Split out addition of "#include <stdarg.h>" to...
10319 (stdio_stdarg_h): ... here.
10320 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
10321 to stdlib.h also. Do not munge _BSD_SIZE_T_.
10322 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
10324 (ultrix_ifdef): Tighten up select expression.
10326 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
10327 re_ct and max_mach to avoid use of shell. Make printed names
10328 match names in inclhack.def. Use static copyright date.
10329 Don't count c_test and test expressions as requiring regex_t
10330 slots. Add some commentary.
10331 * inclhack.tpl: Do not include the 'This script contains N
10332 fixup scripts' line if PROGRAM is defined. Use static
10335 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
10337 * dwarf2out.c: include "varray.h", not dyn-string.h.
10338 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
10339 (addr_const_to_string, addr_to_string): Lose.
10340 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
10341 (struct dw_val_struct): val_addr is now an rtx.
10342 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
10343 (used_rtx_varray): New varray.
10344 (dwarf2out_init): Initialize it.
10345 (save_rtx): New fn.
10346 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
10348 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
10349 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
10350 * Makefile.in (dwarf2out.o): Update dependencies.
10352 2000-01-24 Richard Henderson <rth@cygnus.com>
10354 * i386.c (i386_dwarf_output_addr_const): New.
10355 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
10357 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
10359 * dwarfout.c (output_mem_loc_descriptor): Likewise.
10360 * i386.c (i386_simplify_dwarf_addr): New.
10361 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
10363 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
10365 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
10366 TYPE_STUB_DECL is NULL.
10368 2000-01-24 Richard Henderson <rth@cygnus.com>
10370 * builtins.c (expand_tree_builtin): Move ...
10371 * c-common.c (expand_tree_builtin): ... here.
10373 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10375 * loop.h (LOOP_INFO): New accessor macro.
10376 * basic-block.h (struct loop): Rename field `info' to `aux'.
10377 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
10378 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
10379 * unroll.c (loop_iterations, unroll_loop): Likewise.
10381 2000-01-24 Christopher Faylor <cgf@cygnus.com>
10383 * config/i386/t-cygwin: Accomodate new winsup directory layout
10384 when searching for include files.
10386 2000-01-24 Richard Henderson <rth@cygnus.com>
10388 * rtl.def: Add unordered fp comparisions.
10389 * tree.def: Likewise.
10390 * tree.h: Add ISO C 9x unordered fp comparision builtins.
10392 * builtins.c (expand_tree_builtin): New function.
10393 * c-typeck.c (build_function_call): Use it.
10394 (build_binary_op): Support unordered compares.
10395 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
10397 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
10398 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
10399 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
10400 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
10401 * jump.c (reverse_condition): Don't abort for UNLE etc, but
10403 (swap_condition): Handle unordered compares.
10404 (thread_jumps): Check can_reverse before reversing.
10405 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
10408 * optabs.c (can_compare_p): New argument CODE. Verify branch or
10409 setcc is present before acking for cmp_optab. Update all callers.
10410 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
10411 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
10412 * expr.c (expand_expr): Likewise. Support unordered compares.
10413 (do_jump, do_store_flag): Likewise.
10414 * expr.h (enum libfunc_index): Add unordered compares.
10416 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
10417 (DPBIT_FUNCS): Add _unord_df.
10418 * config/fp-bit.c (_unord_f2): New.
10419 * fp-test.c (main): Try unordered compare builtins.
10421 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
10422 * alpha.c (alpha_comparison_operator): Check mode properly.
10423 (alpha_swapped_comparison_operator): Likewise.
10424 (signed_comparison_operator): Likewise.
10425 (alpha_fp_comparison_operator): New.
10426 (alpha_emit_conditional_branch): Handle unordered compares.
10427 * alpha.h (PREDICATE_CODES): Update.
10428 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
10429 (bunordered, bordered): New.
10431 2000-01-24 Richard Henderson <rth@cygnus.com>
10433 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
10434 * alpha.md (movtf): New expander, insn, and splitter.
10436 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
10438 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10441 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
10443 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
10444 (FIXED_REGISTERS, CALL_USED_REGISTERS,
10445 REG_ALLOC_ORDER): Add frame pointer
10446 (FRAME_POINTER_REGNUM): Set to 20
10447 (HARD_FRAME_POINTER_REGNUM): New macro.
10448 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
10449 to HARD_FRAME_POINTER.
10450 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
10451 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
10452 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
10453 (HI_REGISTER_NAMES): Add "frame".
10454 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
10455 (debug_reg): Handle FRAME_POINTER_REGNUM.
10456 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
10457 GENERAL_REGS and INDEX_REGS.
10458 * i386.c (SAVED_REGS_FIRST): new macro.
10459 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
10460 (ix86_decompose_address, memory_address_length): Likewise.
10461 (regclass_map): Add frame pointer.
10462 (call_insn_operand): Handle frame_pointer_rtx.
10463 (reg_no_sp_operand): Likewise.
10464 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
10465 (print_operand, legitimize_pic_address): Fix formating.
10466 (ix86_compute_frame_size): Make static, update prototype, new
10467 parameters padding1, padding2, use ix86_nsaved_regs, use
10468 stack_alignment_needed.
10469 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
10470 to HARD_FRAME_POINTER_REGNUM conversions.
10471 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
10472 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
10473 (print_reg): Abort on FRAME_POINTER_REGNUM
10475 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
10477 * i386.h (PREDICATE_CODES): Add aligned_operand.
10478 * i386.c (aligned_operand): New function.
10479 (ix86_aligned_p): Kill.
10480 * i386.md (movhi_1): Emit mov for aligned operands.
10481 (promoting peep2s): Use aligned_operand.
10483 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
10485 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
10486 expression to allow underscores in macro names.
10487 (fix_char_macro_defines): Increment scanning pointer.
10489 2000-01-23 Richard Henderson <rth@cygnus.com>
10491 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
10492 * alpha/osf5.h: New file.
10493 * configure.in (alpha-*-osf5): Add it to tm_file.
10495 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10497 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10498 (alpha_emit_xfloating_cvt, function_arg): Declare.
10499 * alpha.c (alpha_emit_conditional_branch): Call
10500 alpha_emit_xfloating_compare for TFmode compares.
10501 (alpha_lookup_xfloating_lib_func): New.
10502 (alpha_compute_xfloating_mode_arg): New.
10503 (alpha_emit_xfloating_libcall): New.
10504 (alpha_emit_xfloating_arith): New.
10505 (alpha_emit_xfloating_compare): New.
10506 (alpha_emit_xfloating_cvt): New.
10507 (print_operand): Add default abort case.
10508 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10509 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10510 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10511 (RETURN_IN_MEMORY): True for TF/TCmode.
10512 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10513 (FUNCTION_ARG): Move to function_arg.
10514 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10515 (ASM_OUTPUT_LONG_DOUBLE): New.
10516 (ASM_OUTPUT_DOUBLE): Always output bits.
10517 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10518 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10519 (extenddftf2, trunctfdf2): New.
10521 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10523 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10524 * config/sparc/sol2.h: ... here.
10526 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10528 * basic-block.h (struct loops): New field `levels'.
10529 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10530 (flow_loop_level_compute): Initialise level to 1.
10531 (flow_loops_find): Set loops->levels.
10532 (flow_loops_dump): Print loops->levels.
10534 2000-01-23 Richard Henderson <rth@cygnus.com>
10536 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10537 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10539 2000-01-23 Richard Henderson <rth@cygnus.com>
10541 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10542 * i386.h (DBX_REGISTER_NUMBER): Use them.
10543 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10544 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10545 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10546 * i386/sequent.h: Kill incorrect comment.
10548 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10550 * ggc-page.c (struct page_entry): Make `context_depth' an
10552 (struct globals): Likewise.
10554 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10556 * loop.c (check_dbra_loop): When checking a loop for
10557 reversability, check the source of any stores to ensure
10558 they don't depend on an initial value.
10560 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10562 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10564 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10566 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10567 'pz_scan' into scope of entire function. Only affects
10568 compiles with -DDEBUG.
10570 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10572 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10573 section naming to that prior to 2000-01-07 patch.
10574 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10575 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10576 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10577 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10578 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10580 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10582 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10585 2000-01-21 Jim Wilson <wilson@cygnus.com>
10587 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10588 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10590 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10592 * cpphash.c (change_newlines): Delete function.
10593 (struct argdata): Delete 'newlines' and 'use_count' fields.
10594 (macroexpand): Remove code referencing those fields.
10596 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10598 * loop.c (loops_info): New variable.
10599 (loop_optimize): Allocate loops->array and free it on exit.
10600 Allocate memory for loops_info and assign to each loop,
10602 (find_and_verify_loops): Do not allocate loops->array.
10604 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10606 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10608 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10610 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10611 pseudos if expanded after first flow.
10612 (movdi_pic_label_ref): Likewise.
10614 2000-01-20 Richard Henderson <rth@cygnus.com>
10616 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10618 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10620 * Makefile.in (fixinc.sh): Depend on specs.
10621 * fixinc/Makefile.in: Add rule to create machname.h.
10622 (fixlib.o): Depend on machname.h.
10623 * fixinc/fixtests.c (machine_name): New test.
10624 * fixinc/fixfixes.c (machine_name): New fix.
10625 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10626 the machine_name test and fix.
10627 * fixinc/fixlib.h: Prototype it.
10628 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10629 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10631 * gcc.c (do_spec_1) [case P]: Take care not to create
10632 identifiers with three leading or trailing underscores.
10634 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10635 (fixincl): Don't specify libraries twice on link line.
10636 (gnu-regex.o): Remove special rule.
10637 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10638 defined by config.h. Do not define _REGEX_RE_COMP.
10639 (regcomp): Allocate and initialize a fastmap.
10640 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10642 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10644 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10646 2000-01-19 Richard Henderson <rth@cygnus.com>
10648 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10649 arguments with BB. Update all callers. Tidy line wrapping.
10651 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10653 * emit-rtl.c (try_split): Return last_insn if we split the
10656 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10658 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10659 (ix86_initial_elimination_offset): Declare.
10660 * i386.c (ix86_nsaved_regs): Break out from ...
10661 (ix86_can_use_return_insn_p): ... here.
10662 (ix86_emit_save_regs): Break out from ...
10663 (ix86_expand_prologue): ... here.
10664 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10666 (ix86_expand_epilogue): ... here.
10667 (ix86_compute_frame_size): Make static, add prototype.
10668 (ix86_initial_elimination_offset): Break out from ...
10669 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10671 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10673 * recog.h (OUT_FCN): Delete.
10675 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10677 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10679 * cppalloc.c: PROTO -> PARAMS.
10680 * cpperror.c: Likewise.
10681 * cppfiles.c: Likewise.
10682 * cpplib.c: Likewise.
10683 * cpplib.h: Likewise.
10685 * config/arm/arm-protos.h: PROTO -> PARAMS.
10686 * config/arm/arm.c: Likewise.
10687 * config/c4x/c4x.c: Likewise.
10688 * config/fr30/fr30-protos.h: Likewise.
10689 * config/nextstep.c: Likewise.
10690 * config/pa/pa.c: Likewise.
10691 * config/pj/pj.c: Likewise.
10692 * config/rs6000/rs6000.c: Likewise.
10693 * config/v850/v850-protos.h: Likewise.
10694 * config/v850/v850.c: Likewise.
10696 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10698 * i370-protos.h: New file.
10700 * i370.c: Include tm_p.h. Fix compile time warnings.
10702 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10705 * i370.md: Likewise.
10707 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10709 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10710 (target_isinf, target_isnan, eisnan): Mark parameter with
10712 (eiisinf): Wrap in INFINITY.
10713 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10714 (ibmtoe): Remove unused variable `rndsav'.
10716 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10718 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10719 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10721 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10723 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10724 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10725 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10727 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10728 Recognize Emacs mode markers also.
10729 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10730 C++ comments in C++ headers. Call is_cxx_header only if
10733 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10734 bypass for ncurses.
10735 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10736 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10737 ... these, which use the new C fixes.
10738 (math_exception): Escape literal '+' in bypass expression.
10740 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10743 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10745 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10748 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10750 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10751 prior to calling scan_loop.
10753 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10755 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10756 (split_branches, calc_live_regs): Likewise.
10758 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10760 * sh.md (fpu_single, fp_mode): New attributes.
10762 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10764 * loop.c (current_loop_info): Renamed from loop_info_data
10765 and changed to a pointer.
10766 (loop_optimize): Allocate loop_info structure for each loop
10767 and initialise to zero.
10768 (scan_loop): Set current_loop_info.
10770 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10773 2000-01-19 Richard Henderson <rth@cygnus.com>
10775 * stupid.c: Die die die.
10776 * Makefile.in (OBJS): Remove stupid.o.
10777 (stupid.o): Likewise.
10779 * except.c (emit_eh_context): Don't emit USEs for stupid.
10780 * explow.c (probe_stack_range): Likewise.
10781 * flags.h (obey_regdecls): Remove.
10782 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10783 when not optimizing.
10784 (life_analysis): Limit data collection when not optimizing.
10785 (mark_regs_live_at_end): Always mark the return value registers.
10786 (mark_used_regs): Remove dummy RETURN case.
10787 (print_rtl_with_bb): Don't consult obey_regdecls.
10788 * function.c (use_variable, use_variable_after): Remove.
10789 (assign_parms): Consult optimize not obey_regdecls.
10790 (expand_function_start): Don't emit USEs for stupid.
10791 (expand_function_end): Likewise.
10792 * global.c (build_insn_chain): Export.
10793 * integrate.c (expand_inline_function): Kill return-value USE
10795 * jump.c (jump_optimize_1): Do simple jump optimizations and
10796 dead code elimination.
10797 (calculate_can_reach_end): Remove check_deleted argument.
10798 (delete_insn): Patch out insns even when not optimizing.
10799 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10800 * rtl.h (use_variable, use_variable_after): Remove declarations.
10801 (build_insn_chain): Declare.
10802 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10803 (expand_end_bindings): Likewise.
10804 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10805 * toplev.c (obey_regdecls): Remove.
10806 (rest_of_compilation): Don't set it. Kill stupid in favour of
10807 flow1, local-alloc, and reload.
10808 (main): Don't set obey_regdecls.
10810 * config/nextstep.c (handle_pragma): Likewise.
10812 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10814 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10816 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10818 * alpha-protos.h: PROTO -> PARAMS.
10819 * alpha.c: Likewise.
10821 * h8300.c: Likewise.
10822 * i386-protos.h: Likewise.
10823 * i386.c: Likewise.
10824 * m32r-protos.h: Likewise.
10825 * m32r.c: Likewise.
10826 * mips.c: Likewise.
10827 * mips.md: Likewise.
10828 * gmon-sol2.c: Likewise.
10829 * sparc.c: Likewise.
10831 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10833 * ns32k-protos.h: New file.
10835 * ns32k.c: Fix compile time warnings.
10837 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10840 * ns32k.md: Likewise.
10842 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10844 * vax-protos.h: New file.
10846 * vax.c: Fix compile time warnings.
10848 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10851 * vax.md: Likewise.
10853 * vaxv.md: Likewise.
10855 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10857 * romp-protos.h: New file.
10859 * romp.c: Fix compile time warnings.
10861 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10864 * romp.md: Likewise.
10866 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10868 * we32k-protos.h: New file.
10870 * we32k.c: Fix compile time warnings.
10872 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10875 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10877 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10879 * except.c (eh_regs): Likewise.
10881 * final.c (output_operand): Likewise.
10883 * fold-const.c (target_isinf, target_isnan): Likewise.
10885 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10887 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10888 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10890 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10891 when optimize_size.
10892 (clrstrsi): Rewrite.
10893 (strsethi, strsetqi): New expanders.
10894 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10895 (cmpstrsi): Emit compare insn before cmpstrsi_1
10896 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10897 (strlensi_1): Likewise.
10898 (cmpstrsi_1): Likewise; do not output compare.
10899 (strlen expander): Do not unroll when optimizing for size.
10900 (*subsi3_carry): Rename to subsi3_carry
10901 (addqi3_cc): New pattern.
10902 * i386.h (processor_costs): Add move_ratio field.
10903 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10904 * i386.c (*_cost): Set move_ratio.
10905 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10906 (x86_expand_strlensi_1): Rewrite the main loop.
10908 2000-01-17 Richard Henderson <rth@cygnus.com>
10910 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10911 * cse.c (find_comparison_args, fold_rtx): Likewise.
10912 * integrate.c (subst_constants): Likewise.
10913 * loop.c (get_condition): Likewise.
10915 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10917 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10919 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10921 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10922 (RESTORE_WARN_FLAGS): Unpack it.
10923 Change semantic type of extension to ttype.
10924 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10925 * c-parse.y, c-parse.c, objc/objc-parse.y,
10926 objc/objc-parse.c: Regenerate.
10928 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10930 * fixinc/fixlib.c: Add copyright notice.
10931 (compile_re): New function.
10932 * fixinc/fixlib.h: Prototype compile_re.
10934 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10935 Use compile_re to compile regular expressions.
10937 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10938 where the pattern matched.
10940 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10942 (ultrix_ansi_compat): Likewise.
10943 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10945 (interactv_add2, interactv_add3): Delete.
10946 (x11_sprintf): Don't use filename glob.
10947 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10950 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10952 * print-rtl.c: PROTO -> PARAMS.
10953 * real.c: Likewise.
10954 * reg-stack.c: Likewise.
10955 * resource.c: Likewise.
10956 * sdbout.h: Likewise.
10957 * simplify-rtx.c: Likewise.
10958 * stor-layout.c: Likewise.
10959 * stupid.c: Likewise.
10960 * xcoffout.c: Likewise.
10961 * xcoffout.h: Likewise.
10963 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10965 * toplev.c: PROTO -> PARAMS.
10966 * toplev.h: Likewise.
10967 * tree.c: Likewise.
10968 * tree.h: Likewise.
10969 * unroll.c: Likewise.
10970 * varasm.c: Likewise.
10971 * varray.c: Likewise.
10972 * varray.h: Likewise.
10974 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10976 * reload.c: PROTO -> PARAMS.
10977 * reload.h: Likewise.
10978 * reload1.c: Likewise.
10979 * reorg.c: Likewise.
10980 * resource.h: Likewise.
10983 * rtlanal.c: Likewise.
10984 * sbitmap.h: Likewise.
10985 * sdbout.c: Likewise.
10986 * stack.h: Likewise.
10987 * stmt.c: Likewise.
10988 * system.h: Likewise.
10990 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10992 * machmode.h: PROTO -> PARAMS.
10993 * mbchar.h: Likewise.
10994 * mips-tdump.c: Likewise.
10995 * mips-tfile.c: Likewise.
10996 * optabs.c: Likewise.
10997 * output.h: Likewise.
10998 * prefix.c: Likewise.
10999 * profile.c: Likewise.
11000 * protoize.c: Likewise.
11001 * real.h: Likewise.
11002 * recog.c: Likewise.
11003 * recog.h: Likewise.
11004 * regclass.c: Likewise.
11005 * regmove.c: Likewise.
11006 * regs.h: Likewise.
11008 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11010 * ggc-common.c: PROTO -> PARAMS.
11011 * ggc-page.c: Likewise.
11012 * ggc-simple.c: Likewise.
11014 * global.c: Likewise.
11015 * graph.c: Likewise.
11016 * gthr-win32.h: Likewise.
11017 * haifa-sched.c: Likewise.
11018 * halfpic.h: Likewise.
11019 * integrate.c: Likewise.
11020 * integrate.h: Likewise.
11021 * jump.c: Likewise.
11023 * local-alloc.c: Likewise.
11024 * loop.c: Likewise.
11025 * loop.h: Likewise.
11027 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11029 * genattr.c: PROTO -> PARAMS.
11030 * genattrtab.c: Likewise.
11031 * gencheck.c: Likewise.
11032 * gencodes.c: Likewise.
11033 * genconfig.c: Likewise.
11034 * genemit.c: Likewise.
11035 * genextract.c: Likewise.
11036 * genflags.c: Likewise.
11037 * gengenrtl.c: Likewise.
11038 * genopinit.c: Likewise.
11039 * genoutput.c: Likewise.
11040 * genpeep.c: Likewise.
11041 * genrecog.c: Likewise.
11043 2000-01-16 Mark Mitchell <mark@codesourcery.com>
11045 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
11047 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11049 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
11050 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
11051 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
11052 * configure, config.in: Rebuilt.
11054 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
11056 * config/i386/i386.md: Add peephole to merge successive stack
11059 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
11061 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
11062 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
11063 when walking backwards to find all the parameter loads when
11064 the basic block ends in a call.
11066 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11068 * loop.c (this_loop_info): Delete.
11069 (uid_loop): Add in place of uid_loop_num. All uses updated.
11070 (loop_number_exit_count): Delete and replace with entry in loop
11071 structure. All uses updated.
11072 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
11073 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
11074 (loop_outer_loop): Likewise.
11075 (loop_invalid, loop_number_exit_labels): Likewise.
11076 (loop_used_count_register): Delete and replace with entry in
11077 loop_info structure.
11078 (find_and_verify_loops): Add loops argument.
11079 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
11080 loop_end, etc. arguments with loop structure pointer. All callers
11082 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
11083 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
11084 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
11085 (insert_bct): Likewise.
11086 (basic_induction_var): New argument level.
11087 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
11088 vtop, and cont. Add used_count_register.
11089 (uid_loop): Delete declaration.
11090 (loop_number_exit_count): Likewise.
11091 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
11092 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
11093 (loop_outer_loop, loop_used_count_register): Likewise.
11094 (loop_invalid, loop_number_exit_labels): Likewise.
11095 (unroll_loop): Replace loop_start and loop_end arguments
11096 with loop structure pointer.
11097 (loop_precondition_p, loop_iterations): Likewise.
11098 Include basic-block.h.
11099 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
11100 with loop structure pointer.
11101 (loop_precondition_p, loop_iterations): Likewise.
11102 * basic-block.h (struct loop): New entries vtop, cont,
11103 cont_dominator, start, end, top, scan_start, exit_labels,
11105 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
11107 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11109 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
11111 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
11113 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
11115 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11117 * pdp11-protos.h: New file.
11119 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
11122 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
11125 * pdp11.md: Likewise.
11127 * 2bsd.h: Likewise.
11129 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11131 * mn10300-protos.h: New file.
11133 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
11136 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
11139 * mn10300.md: Likewise.
11141 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11143 * mn10200-protos.h: New file.
11145 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
11148 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
11151 * mn10200.md: Likewise.
11153 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11155 * h8300-protos.h: New file.
11157 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
11160 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
11163 * h8300.md: Likewise.
11165 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11167 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
11168 (asm_emit_uninitialised): Likewise.
11170 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
11172 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
11173 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
11175 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11177 * config/mips/mips.c (override_options): Don't turn on extra
11178 alignment for mips16.
11180 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11182 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
11183 eabi, and make sure queued POSTINCREMENT rtl is emitted at
11186 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11188 * builtins.c (PAD_VARARGS_DOWN): Define.
11189 (std_expand_builtin_va_arg): Use the above macro.
11190 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
11191 * tm.texi (Register Arguments): Document the above macro.
11193 2000-01-14 Nick Clifton <nickc@cygnus.com>
11195 * emit-rtl.c (emit_insn): If checking is enabled, make sure
11196 that this function has not been used to emit a jump
11199 * jump.c (return_jump_1): Cope with being passed a null rtx.
11201 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11203 * eh-common.h: PROTO -> PARAMS.
11204 * emit-rtl.c: Likewise.
11205 * errors.c: Likewise.
11206 * errors.h: Likewise.
11207 * except.c: Likewise.
11208 * except.h: Likewise.
11209 * explow.c: Likewise.
11210 * expmed.c: Likewise.
11211 * expr.c: Likewise.
11212 * expr.h: Likewise.
11213 * final.c: Likewise.
11214 * fix-header.c: Likewise.
11215 * flow.c: Likewise.
11216 * fold-const.c: Likewise.
11217 * function.c: Likewise.
11218 * function.h: Likewise.
11220 * gcov-io.h: Likewise.
11221 * gcov.c: Likewise.
11222 * gcse.c: Likewise.
11224 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11226 * sh-protos.h: New file.
11228 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
11229 Add static prototypes. Fix compile time warnings.
11231 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
11235 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11237 * arc-protos.h: New file.
11239 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
11242 * arc.h: Move prototypes to arc-protos.h. Fix compile time
11245 * arc.md: Likewise.
11247 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11249 * dsp16xx-protos.h: New file.
11251 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
11254 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
11257 * dsp16xx.md: Likewise.
11259 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11261 * convex-protos.h: New file.
11263 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
11266 * convex.h: Move prototypes to convex-protos.h. Fix compile time
11269 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11271 * elxsi-protos.h: New file.
11273 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
11276 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
11279 * elxsi.md: Likewise.
11281 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11283 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
11284 case for moving from HI/LO/HI_LO_REG. This makes the behavior
11285 match the comment for MIPS16.
11287 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
11289 * flow.c (split_edge): Do not call set_block_for_insn if we
11290 do not have a basic_block_for_insn structure.
11292 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
11293 and destination functions are 32bit aligned within the trampoline.
11294 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
11295 (TRAMPOLINE_ALIGNMENT): Define.
11297 * cse.c (cse_insn): When changing (set (pc) (reg)) to
11298 (set (pc) (label_ref)), verify the change creates a valid insn.
11300 * fr30.c (call_operand): Tighten and rework to match rules for
11301 call RTL expressions.
11302 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
11303 * fr30.md (call patterns): Improve constraints.
11305 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
11307 * fr30.c (fr30_expand_epilogue): Revert last change.
11308 Use emit_jump_insn for the return insn.
11310 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
11311 Stan Cox <scox@cygnus.com>
11313 * predict.c: New file. Preliminary infrastructure work for static
11314 branch prediction and basic block reordering.
11315 * basic-block.h: Add prototype for estimate_probability.
11316 * Makefile.in: Add rules for predict.o.
11318 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
11320 * fixincludes (va_list): Use __not_va_list__ for the dummy.
11321 * fixinc/*: Likewise.
11323 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11325 * cccp.c: PROTO -> PARAMS.
11326 * cexp.y: Likewise.
11327 * collect2.c: Likewise.
11328 * combine.c: Likewise.
11329 * convert.h: Likewise.
11331 * dbxout.c: Likewise.
11332 * dbxout.h: Likewise.
11333 * diagnostic.c: Likewise.
11334 * doprint.c: Likewise.
11335 * dwarf2out.c: Likewise.
11336 * dwarf2out.h: Likewise.
11337 * dwarfout.c: Likewise.
11338 * dwarfout.h: Likewise.
11339 * dyn-string.h: Likewise.
11341 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11343 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
11344 macro conditionals guarding use.
11346 * dwarf2out.c: Include "tm_p.h".
11348 * function.c (locate_and_pad_parm): Mark parameter with
11350 (expand_function_end): Likewise for variable `context'.
11352 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
11354 2000-01-13 Nick Clifton <nickc@cygnus.com>
11356 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
11357 register to prevent compile time warnings.
11359 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
11361 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
11362 to avoid -Wtraditional warning.
11364 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11366 * 1750a-protos.h: New file.
11368 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
11371 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
11374 * 1750a.md: Likewise.
11376 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11378 * a29k-protos.h: New file.
11380 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
11383 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
11386 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11388 * clipper-protos.h: New file.
11390 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
11393 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
11396 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11398 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
11400 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
11402 * configure.in (--enable-new-gxx-abi): New option.
11403 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
11404 * Makefile.in (GXX_ABI_FLAG): New variable.
11405 * configure: Regenerate.
11407 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11409 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
11410 * tm.texi (FORCE_STRUCT_BLK): Document.
11411 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
11413 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
11415 * config/ns32k/ns32k.md: Revert Jan 9 change.
11417 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
11418 to a mode-test, if the predicate is address_operand.
11420 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
11422 * combine.c (if_then_else_cond): Be careful about what kinds
11423 of RTL expressions are passed to operand_subword.
11425 * flow.c (split_edge): If we have to insert a new jump, make
11426 sure to associate it with a basic block.
11428 * flow.c (commit_one_edge_insertion): A block with one successor
11429 can end in a JUMP_INSN that is not a simplejump.
11431 2000-01-12 Robert Lipe <robertl@sco.com>
11433 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
11434 (BUILD_VA_LIST_TYPE): Define.
11435 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
11438 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
11440 * cccp.c (do_pragma): Add cast to (char *).
11442 2000-01-12 Richard Henderson <rth@cygnus.com>
11443 Fred Fish <fnf@be.com>
11444 Jason Merrill <jason@cygnus.com>
11446 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
11447 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
11448 * i386/beos-elf.h, i386/beos-pe.h: New files.
11450 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
11451 * cross-make (SYSTEM_HEADER_DIR): Define using
11452 CROSS_SYSTEM_HEADER_DIR.
11454 * gcc.c (LIBRARY_PATH_ENV): Provide default.
11455 (process_command): Use it.
11456 (main): Likewise. Kill trailing = from env vars.
11457 (build_search_list): Put it back.
11458 * collect2.c (main): Use LIBRARY_PATH_ENV.
11460 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
11461 * toplev.c: Use NEED_DECLARATION_ENVIRON.
11463 * tm.texi (Frame Layout): Document SMALL_STACK.
11464 * c-common.c (c_common_nodes_and_builtins): Check it.
11466 * system.h: Undef alloca after including glibc's <stdlib.h>,
11467 if USE_C_ALLOCA is defined.
11469 * gcc.c (set_input): New fn.
11470 (main): After all input files are compiled, reset the input file
11473 * aclocal.m4 (rindex, index): If already defined, don't attempt
11476 * ginclude/varargs.h: (__va_list__): Define ifndef.
11477 * ginclude/stdarg.h: Likewise.
11479 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
11480 instead of unsigned char.
11482 * hash.h (true, false, boolean): Undef before enum.
11484 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
11485 proper type of "HOST_WIDE_INT *", rather than their natural type of
11486 "unsigned HOST_WIDE_INT *".
11488 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11490 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
11492 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11494 * regclass.c (choose_hard_reg_mode): Likewise.
11496 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11498 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11500 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11502 * c-common.c: PROTO -> PARAMS.
11503 * c-common.h: Likewise.
11504 * c-decl.c: Likewise.
11505 * c-iterate.c: Likewise.
11506 * c-lang.c: Likewise.
11507 * c-lex.c: Likewise.
11508 * c-lex.h: Likewise.
11509 * c-parse.in: Likewise.
11510 * c-pragma.c: Likewise.
11511 * c-pragma.h: Likewise.
11512 * c-tree.h: Likewise.
11513 * c-typeck.c: Likewise.
11514 * objc/objc-act.c: Likewise.
11515 * objc/objc-act.h: Likewise.
11517 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11519 * m88k-protos.h: New file.
11521 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11524 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11526 * m88k.md: Likewise.
11528 * tekXD88.h: Likewise.
11530 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11532 * m68k-protos.h: New file.
11534 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11537 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11539 * mot3300.h: Likewise.
11541 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11543 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11545 (extract_bitlist): Declare bitlen.
11547 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11549 * cccp.c: Accept and ignore -lang-fortran.
11551 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11552 qualifiers don't match at any level of pointerness.
11554 2000-01-12 Robert Lipe <robertl@sco.com>
11556 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11558 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11560 * reload1.c (reload_reg_unavailable): New static variable.
11561 (reload_reg_free_p): Test it.
11562 (reload_reg_free_for_value_p): Test it instead of
11564 (choose_reload_regs_init): Compute it.
11566 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11568 * reorg.c (fill_slots_from_thread): Check modified_in_p
11571 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11573 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11574 these nodes even if INTERNALS is not set.
11576 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11578 * gcse.c (delete_null_pointer_checks_1): Cope when
11579 get_condition cannot determine the condition.
11581 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11583 * toplev.h (set_message_length): Declare.
11585 * diagnostic.c (obstack_chunk_alloc): Define macro.
11586 (obstack_chunk_free): Likewise.
11587 (struct output_buffer): New data structure.
11588 (vmessage): Remove.
11589 (output_maximum_width): New variable.
11590 (doing_line_wrapping, set_message_length, init_output_buffer,
11591 get_output_prefix, output_space_left, emit_output_prefix,
11592 output_newline, output_append, output_puts, dump_output,
11593 vbuild_message_string, build_message_string, build_location_prefix,
11594 voutput_notice, output_printf, line_wrapper_printf,
11595 vline_wrapper_message_with_location): New functions. Implement
11596 automatic line wrapping.
11597 (v_message_with_decl): Make it handle automatic line wrapping.
11598 (v_error_with_file_and_line): Likewise.
11599 (v_warning_with_file_and_line): Likewise.
11600 (announce_function): Likewise.
11601 (default_print_error_function): Likewise.
11603 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11605 * cpplib.h (struct cpp_options): Change lang_asm to char.
11607 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11608 done in cpp_handle_option now.
11609 (initialize_builtins): Take out special case code used only by
11611 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11612 if -traditional. Recognize -lang-fortran and set
11613 lang_fortran, also turn off cplusplus_comments.
11614 (print_help): Document -lang-fortran.
11615 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11616 lang_asm. Ignore all directives other than `# 123 "file"' if
11618 (cpp_get_token): If -traditional, don't recognize directives
11619 unless the # is in column 1.
11620 (parse_string): If lang_fortran or lang_asm, silently
11621 terminate strings ('' or "") at end of line.
11622 Remove unnecessary braces.
11624 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11625 Richard Henderson <rth@cygnus.com>
11627 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11629 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11630 strict_low_part when possible.
11632 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11634 * alias.c: PROTO -> PARAMS.
11635 * basic-block.h: Likewise.
11636 * bitmap.c: Likewise.
11637 * bitmap.h: Likewise.
11638 * builtins.c: Likewise.
11639 * c-aux-info.c: Likewise.
11640 * caller-save.c: Likewise.
11641 * calls.c: Likewise.
11643 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11645 * Makefile.in (toplev.o): Depend on regs.h.
11647 * output.h (tdesc_section): Prototype.
11649 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11651 * sdbout.c: Include "tm_p.h".
11653 * toplev.c: Include "regs.h".
11655 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11657 * unroll.c (unroll_loop): Add EH support.
11659 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11661 * pa-protos.h: New file.
11663 * pa.c: Include recog.h and tm_p.h.
11664 (compute_zdepwi_operands, compute_movstrsi_length,
11665 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11666 find_addr_reg, import_milli): Add static prototypes.
11667 (pa_cpu_string, pa_arch_string): Constify a char*.
11668 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11669 (read_only_operand): Add argument `mode'.
11670 (singlemove_string, output_move_double, output_fp_move_double,
11671 output_block_move, output_and, output_ior, output_ascii,
11672 remove_useless_addtr_insns, milli_names, output_mul_insn,
11673 output_div_insn, output_mod_insn, output_arg_descriptor,
11674 output_cbranch, output_bb, output_bvb, output_dbra, ,
11675 output_millicode_call, output_call, hppa_encode_label,
11676 output_parallel_movb, output_parallel_addb): Constify a char*.
11677 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11678 (output_parallel_addb): Remove extra arg to `constrain_operands'
11680 * pa.h: Move all prototypes to pa-protos.h.
11681 (pa_cpu_string, pa_arch_string): Constify a char*.
11682 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11684 * pa.md: Call `function_label_operand' with mode argument.
11685 Likewise for `read_only_operand'.
11686 Fix nesting of parens in call to `symbolic_operand'.
11688 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11690 * i860-protos.h: New file.
11692 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11695 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11697 * i860.md: Likewise.
11699 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11701 * i386.md (movstrsi expander): Rewrite.
11702 (movstrsi_1 insn): Deleted.
11703 (strmovhi, strmovqi expander): New expanders.
11704 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11705 * i386.c (x86_single_stringop): New global variable.
11706 * i386.h (x86_single_stringop): Declare.
11707 (TARGET_SINGLE_STRINGOP): New macro.
11709 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11711 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11712 integer vararg POSTINCREMENT before the destination of the jump
11713 for the hard fp case.
11714 (function_arg_pass_by_reference): Pass a copy of CUM to
11717 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11718 for CONSTANT_ADDRESS_P above while loop for subreg.
11720 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11722 * flow.c (propagate_block): When a prologue/epilogue insn
11723 is marked dead, unconditionally clear libcall_is_dead and
11724 insn_is_dead, and only dump rtl if warnings aren't being
11727 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11729 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11730 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11731 (FIXED_REGISTERS): Set dirflag as fixed.
11732 (CALL_USED_REGISTERS): Set dirflag as used.
11733 (REG_ALLOC_ORDER): Set dirflag as last one.
11734 (DIRFLAG_REG): New macro.
11735 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11736 (HI_REGISTER_NAMES): Add dirflag.
11737 (DEBUF_PRINT_REG): Handle dirflag.
11738 * i386.md (type attribute): New cld and str types.
11739 (length_opcode attribute): Set cld and str to 1.
11740 (memory attribute): Set str to unknown - it is not clear from the
11742 (pent_np function unit): Prefixed string operations takes 12 cycles
11743 minimally; cld takes 2 cycles.
11744 (ppro_uops attribute): Str is "many" and cld is "few".
11745 (ppro_p0 unit): Handle cld here.
11746 (k6_alux unit): Handle cld and str types.
11747 (k6_load unit): It is ocupied by str opcodes.
11748 (k6_store unit): It is ocupied by str opcodes.
11749 (athlon_decode): Str is vector decoded.
11750 (athlon_ieu): Handle str and cld.
11751 (cld pattern): New.
11752 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11753 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11754 cmpstrsi_nz_1 insn): Do not output cld instruction
11756 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11758 * gcc.texi (G++ and GCC): Add Java and Chill.
11759 (Bug Critera): Don't list languages.
11761 * gcc.texi (Incompatibilities): No longer claim most C compilers
11764 * gcc.texi (G++ and GCC): Update other front-ends list.
11766 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11768 * i386.c (ix86_expand_setcc): Fix typo.
11769 (ix86_expand_movcc): Similarly.
11771 * Band-aid until haifa's bitset implementation is nuked.
11772 * haifa-sched.c (extract_bitlst): New parameter for size of the
11773 bitset in bits. All callers changed. Avoid looking at undefined
11774 bits in the bitset.
11775 (edgeset_bitsize): New variable.
11776 (schedule_region): Initialize edgeset_bitsize.
11778 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11780 * Makefile.in (optabs.o): Depend on real.h
11781 (resource.o): Depend on insn-attr.h
11783 * builtins.c (result_vector): Wrap prototype in macro conditions
11784 governing definition and use.
11786 * c-common.c: Include tm_p.h.
11788 * c-lex.c: Likewise.
11790 * elfos.h: Constify a char*.
11792 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11793 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11794 parameter with ATTRIBUTE_UNUSED.
11796 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11799 * haifa-sched.c (schedule_insns): Mark parameter with
11802 * optabs.c: Include real.h.
11804 * real.h (ereal_atof): Add prototype arguments.
11806 * resource.c: Include insn-attr.h.
11808 * sdbout.c (sdbout_queue_anonymous_type,
11809 sdbout_dequeue_anonymous_types): Wrap in macro
11810 SDB_ALLOW_FORWARD_REFERENCES.
11811 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11814 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11816 * stupid.c: Include tm_p.h.
11818 * tree.c (real_value_from_int_cst): Mark parameter with
11821 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11823 * i960-protos.h: New file.
11825 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11828 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11830 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11832 * combine.c (expand_field_assignment): Do not discard SUBREGs
11833 while computing nonzero_bits.
11835 2000-01-09 Nick Clifton <nickc@cygnus.com>
11837 * config/arm/arm.c: Fix compile time warnings about signed vs
11838 unsigned constants.
11839 * config/arm/arm.h: Fix compile time warnings about signed vs
11840 unsigned constants.
11842 2000-01-09 Philip Blundell <philb@gnu.org>
11844 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11845 than `ldm' with only one register.
11846 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11849 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11852 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11854 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11857 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11859 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11860 assignment used as truth value.
11862 * function.c (assign_temp): Mark parameter `dont_promote' with
11863 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11864 PROMOTE_FOR_CALL_ONLY.
11866 * genrecog.c (write_subroutine): Mark variable `operands' with
11869 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11872 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11873 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11875 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11878 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11880 * config/c4x.h: Tidy up comments.
11881 * config/c4x.c: Likewise.
11883 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11885 * fold-const.c (lshift_double, rshift_double): Handle
11886 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11888 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11890 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11891 in prepare_function_start().
11893 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11895 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11896 longer allocate extra stack for function calls.
11898 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11900 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11902 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11904 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11906 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11908 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11909 * aix43.h: Revert Aug 2 change.
11910 (HAS_INIT_SECTION): Define, not visible yet.
11911 (LD_INIT_SWITCH): Define, not visible yet.
11912 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11914 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11916 * collect2.c (main): Expand ld2 size further.
11917 (export_object_lst): Cast assignment to avoid warning.
11918 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11919 (scan_prog_file, COFF): Do not collect initialization or
11920 finalization functions generated for entire shared object if
11921 init/fini support present.
11923 2000-01-07 Nick Clifton <nickc@cygnus.com>
11925 * config/elfos.h: Tidy up formatting of marcos. Make sure
11926 that .section directives are always prefixed by a tab.
11928 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11931 2000-01-07 Matt Austern <austern@sgi.com>
11933 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11936 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11938 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11940 (crtbegin.o, s-crtS): Likewise.
11942 2000-01-06 Richard Henderson <rth@cygnus.com>
11944 * alpha.md (adddi_2+1): Limit offset such that it will be
11945 loadable with a single ldah+lda pair.
11946 (adddi_2+2): Explicitly fail split if we can't make it work.
11948 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11950 * protoize.c: Conditionally include unistd.h.
11951 (IS_SAME_PATH_CHAR): New macro.
11952 (IS_SAME_PATH): New macro.
11953 (CPLUS_FILE_SUFFIX): New macro.
11954 (cplus_suffix): New static variable.
11955 (is_abspath): New static function.
11956 (in_system_include_dir): Handle DOS style pathnames.
11957 (file_could_be_converted): Likewise.
11958 (file_normally_convertible): Likewise.
11959 (directory_specified_p): Likewise.
11960 (file_excluded_p): Likewise.
11961 (abspath): Likewise.
11962 (shortpath): Likewise.
11963 (referenced_file_is_newer): Likewise.
11964 (save_def_or_dec): Likewise.
11965 (do_processing): Likewise.
11967 (edit_file): Likewise. Use rename instead of link.
11968 (rename_c_file): Likewise. Don't rename syscalls file.
11969 (munge_compile_params): Define null device for DOS based systems.
11970 (process_aux_info_file): Use binary mode if appliable.
11971 (edit_file): Likewise.
11972 * invoke.texi (Running Protoize): Document C++ suffixes used.
11974 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11975 IS_DIR_SEPARATOR macros.
11976 * collect2.c: Likewise.
11977 * cppinit.c: Likewise.
11978 * dwarf2out.c: Likewise.
11980 * gcov.c: Likewise.
11981 * prefix.c: Likewise.
11983 * toplev.c: Likewise.
11984 * system.h: And move to here.
11986 * prefix.c (update_path): Fix typo in variable name.
11988 2000-01-06 Richard Henderson <rth@cygnus.com>
11990 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11991 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11992 (count_reg_sets_1, count_reg_references): Likewise.
11993 (flow_loops_level_compute): Start counting actual loop depth at 1.
11994 (flow_loops_find): Likewise.
11995 * local-alloc.c (update_equiv_regs): Likewise.
11996 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11998 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12000 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
12001 FIRST_PSEUDO_REGISTER
12002 * dwarf2out.c: Don't include frame.h
12003 * dwarfout.c: Likewise
12004 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
12007 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
12009 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
12012 * i386.c (movsf splitter): Fix typo in my last checkin.
12014 2000-01-05 Nick Clifton <nickc@cygnus.com>
12016 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
12017 own definition of this macro.
12018 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
12019 flag_data_sections or UNIQUE_SECTION_P are true.
12021 * tm.texi (UNIQUE_SECTION): Document that it can be called for
12022 unitialised data decls.
12024 * config/i386/winnt.c (i386_pe_unique_section): Cope with
12025 being called for uninitialised data.
12027 * config/i386/interix.c (i386_pe_unique_section): Cope with
12028 being called for uninitialised data.
12030 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
12031 for uninitialised data.
12033 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
12034 for uninitialised data.
12036 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
12037 for uninitialised data.
12039 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
12040 (UNIQUE_SECTION_P): Always generate a unique section if
12041 flag_data_sections is true.
12042 (UNIQUE_SECTION): Also generate unique sections for
12043 uninitialised data.
12044 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
12045 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
12048 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12050 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
12053 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12055 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
12056 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
12057 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
12058 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
12059 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
12061 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
12063 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12065 * c-decl.c (finish_enum): Simplify code to determine minimum and
12066 maximum values of the enum, and calculate the type. Remove check
12067 for FUNCTION_DECLs in the values list, which cannot happen. Replace
12068 the DECL_INITIAL of each enumeration constant with a copy converted
12069 to the enumeration type. When updating variant types, don't bother
12070 updating the type itself.
12072 * c-typeck.c (build_binary_op): Simplify conditional expressions
12073 when weeding out spurious signed-unsigned warnings. Add new
12074 spurious warning category: if the unsigned quantity is an enum
12075 and its maximum value fits in signed_type(result_type). Update
12077 (build_conditional_expr): Warn here if one alternative is signed
12078 and the other is unsigned.
12080 2000-01-05 Nick Clifton <nickc@cygnus.com>
12082 * config/fr30/fr30.h: Remove extraneous comments.
12084 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
12086 * reload1.c (choose_reload_regs): When disabling a reload, also
12087 set reload_spill_index to -1.
12089 2000-01-04 Joel Sherrill (joel@OARcorp.com>
12091 * configure.in (m68*-*-rtemscoff*): New target, formal name for
12093 (m68*-*-rtemself*): New target.
12094 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
12095 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
12096 (sparc*-*-rtemself*): New target.
12097 (sparc*-*-rtems*): Now elf not a.out.
12098 * config/i386/rtems.h: Include config/rtems.h.
12099 * config/i386/rtemself.h: Include config/rtems.h.
12100 * config/i960/rtems.h: Include config/rtems.h.
12101 * config/m68k/rtems.h: Include config/rtems.h.
12102 * config/m68k/rtemself.h: Include config/rtems.h.
12103 * config/mips/rtems64.h: Include config/rtems.h.
12104 * config/pa/rtems.h: Include config/rtems.h.
12105 * config/rs6000/rtems.h: Include config/rtems.h.
12106 * config/sh/rtems.h: Include config/rtems.h.
12107 * config/sh/rtemself.h: Include config/rtems.h.
12108 * config/sparc/rtems.h: Include config/rtems.h.
12109 * config/sparc/rtemself.h: Include config/rtems.h
12111 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
12113 * final.c (shorten_branches): Correctly compute length of
12114 asms without operands.
12116 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
12118 * configure.in: Add pj target.
12119 * configure: Regenerate.
12120 * config/pj: New directory.
12121 * config/pj/lib1funcs.S: New file.
12122 * config/pj/linux.h: New file.
12123 * config/pj/pj.c: New file.
12124 * config/pj/pj.md: New file.
12125 * config/pj/pjl.h: New file.
12126 * config/pj/t-pj: New file.
12127 * config/pj/xm-pj.h: New file
12129 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
12131 * toplev.c (rest_of_compilation): Run shorten-branches before
12134 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12136 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
12137 macros so that they're consistent with their names.
12138 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
12139 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
12141 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12143 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
12144 modified inadvertently.
12146 2000-01-04 Joel Sherrill <joel@OARcorp.com>
12148 * configure.in (v850*-*-rtems*): New target.
12149 * configure: Regenerate.
12150 * config/v850/rtems.h: New file.
12152 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
12154 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
12155 (__gthread_key_create): Likewise.
12156 (__gthread_key_dtor): Likewise.
12157 (__gthread_once): Fix logic.
12158 (__gthread_key_delete): Cast away constness.
12160 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
12161 * invoke.texi: Document.
12162 * i386/mingw32.h (CPP_SPEC): Use.
12163 (LIBGCC_SPEC): Likewise.
12164 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
12166 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12168 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
12169 (HANDLE_PRAGMA_PACK): Undefine.
12170 (SLOW_UNALIGNED_ACCESS): Define.
12172 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12174 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12175 to default definition.
12176 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
12177 (store_fixed_bit_field): Call macro with word_mode and alignment.
12178 (extract_bit_field): Call macro with relevant mode and alignment.
12179 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12180 to default definition.
12181 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
12183 (move_by_pieces_ninsns): Likewise.
12184 (clear_by_pieces): Likewise.
12185 (emit_push_insn): Likewise.
12186 (store_field): Call macro with relevant mode and alignment.
12187 (expand_expr): Likewise.
12188 (expand_expr_unaligned): Likewise.
12190 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
12191 (SLOW_UNALIGNED_ACCESS): Define.
12192 (CASE_VECTOR_MODE): Always use 32-bit offsets.
12193 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
12194 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
12195 (toc_section): Likewise and .toc pseudo-op.
12196 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
12198 (TEXT_SECTION_ASM_OP): Likewise.
12199 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
12202 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
12203 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
12204 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
12205 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
12206 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
12208 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
12210 * regclass.c: Revert my Jan 4 change to loop cost computation.
12212 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12214 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
12217 2000-01-04 Stan Cox <scox@cygnus.com>
12219 * haifa-sched.c (build_control_flow): Change unreachable simple
12220 loop test to check if current block has only one predecessor.
12221 (find_rgns): Initialize degree. Use dest as degree index, not src.
12223 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12225 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
12227 * calls.c (expand_call): Likewise for
12228 `old_stack_arg_under_construction'.
12230 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
12232 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
12235 * gcc.c (execute): Likewise for `ut' and `st'.
12237 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
12239 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
12241 * jump.c (jump_optimize_1): Likewise for `temp2'.
12243 * local-alloc.c (block_alloc): Likewise for `r1'.
12245 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
12247 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
12248 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
12250 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
12253 * reload.c (find_reloads): Likewise for `goal_alternative_number'
12254 and `goal_earlyclobber'.
12256 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
12258 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
12260 * stupid.c (stupid_life_analysis): Likewise for `chain'.
12262 * unroll.c (copy_loop_body): Likewise for `copy'.
12264 * varasm.c (output_constructor): Likewise for `byte'.
12266 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12268 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
12269 all FP constants for constant->reg moves.
12270 (ix86_split_to_parts): Try to convert memory address into immediate
12271 when available in the constant pool.
12272 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
12274 (LEGITIMATE_CONSTANT_P): Return 1.
12275 * i386.md (pushsf): New splitter to convert constant pool memory
12276 reference to immediate.
12277 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
12280 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
12282 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
12283 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
12284 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
12285 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
12286 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
12288 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
12290 * ginclude/stdbool.h: Support compilation as C++.
12292 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12294 * fold-const.c (make_range): Don't try to reverse an unbounded range.
12296 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
12298 * regclass.c (regclass): Properly compute loop_cost. Adjust
12301 * regclass.c: Fix minor whitespace problems.
12303 2000-01-03 Anthony Green <green@cygnus.com>
12305 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
12306 Restore the pic register if required.
12308 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
12310 * c-common.c (format_char_info): Update comment.
12311 (check_format_info): Recognize 'z' modifier in the same way 'Z'
12312 was recognized. Emit warning for formats new in ISO C99 only
12313 if flag_isoc9x is not set.
12315 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
12317 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
12319 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12321 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
12322 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
12323 (make_compound_operation): Choose cheaper alternative between
12324 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
12326 * regclass.c (op_costs): Remove global variable.
12327 (record_reg_classes): New parameter "op_costs" and "reg_pref".
12328 (record_operand_costs): Break out from ...
12329 (scan_one_insn): ... here.
12330 (dump_regclass): Make dumps nicer.
12331 (regclass): Dump preferrences choosed and changes done during passes.
12333 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12335 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
12337 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12339 * config/sparc/sparc.c (gen_df_reg): New function.
12340 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
12341 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
12342 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
12343 movtf_cc_reg_sp64+1): Use it.
12345 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12347 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
12348 copied LABEL_DECLs.
12350 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12352 * config/i386/i386.c (ix86_expand_unary_operator): Function
12353 definition made void.
12354 (ix86_expand_binary_operator): Update outdated preceding comment.
12355 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
12358 * config/i386/i386.c (override_options): Fix option-name typo.
12360 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12362 * system.h (CEIL): Define.
12363 * builtins.c (CEIL): Remove.
12364 * expmed.c (CEIL): Likewise.
12365 * expr.c (CEIL): Likewise.
12366 * stor-layout.c (CEIL): Likewise.
12368 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12370 * expr.c (store_constructor_field): Fix typo introduced with last
12373 2000-01-01 Mark Mitchell <mark@codesourcery.com>
12375 * tree.h (BINFO_N_BASETYPES): New macro.
12377 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
12379 * expmed.c (emit_store_flag): Prevent losing a pending stack
12380 adjust the same way we prevent losing queued increments.
12382 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12384 * function.c (update_temp_slot_address): Handle case where sum of
12385 temporary address plus offset in register is a valid address.
12387 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12389 * genrecog.c (change_state) Corrected typo.
12391 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12393 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
12394 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
12395 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
12397 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
12399 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
12400 case, expand GT comparisons correctly. Fix a comment before this
12403 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12405 * dwarfout.c: Include "frame.h"
12406 * dwarf2out.c: Likewise.
12407 * Makefile.in (dwarfout.o): Depend on frame.h
12408 (dwarf2out.o): Likewise.
12410 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
12412 Restore i386 binary compatibility in Dwarf EH info.
12413 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
12414 value of FIRST_PSEUDO_REGISTER.
12415 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
12416 (struct frame_state): Use DWARF_FRAME_REGISTERS.
12417 * dwarfout.c (output_reg_number): Ditto.
12418 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
12419 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
12421 1999-12-29 Bruce Korb <autogen@linuxbox.com>
12423 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
12424 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
12425 (<hack>_RE_CT): not needed
12426 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
12427 rewritten to scan the file text once only
12428 "template<..." test added
12429 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
12430 (is_cxx_header): declaration added
12431 * fixinc/fixtests.c(is_cxx_header): removed
12432 (apply_fix_p_t): removed
12433 (double_slash_test): is_cxx_header is only called once now
12434 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
12435 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
12436 within the templates.
12437 The borken spelling of "broken" was fixed.
12438 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
12439 The default level depends on FIXINC_DEBUG.
12441 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12443 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
12444 Otherwise provide a declaration for atexit.
12445 (init_dummy): Make sure dummy call to atexit is nevertheless
12446 called with correct number of args.
12448 * frame.c: Update comments referring to other files.
12450 * libgcc2.c: Likewise.
12452 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12454 * cse.c (free_element, get_element): Remove unused prototypes.
12456 * fold-const.c (extract_muldiv): Initialize variables `op0' and
12459 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
12462 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
12464 * configure.in,configure: case arm for mn10200-*-* now sets
12465 float_format=i32 so that float.h will correctly claim "double"
12466 to be 32 bits. Ran autoconf to generate configure from .in file.
12468 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
12470 * pa.md (conditional zero): If op1 is a register, force it into
12471 the same register as op0.
12473 1999-12-28 Mark Mitchell <mark@codesourcery.com>
12475 * tree.h (BINFO_BASETYPES): Improve documentation.
12477 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12479 * configure.in (--enable-checking): Use a more portable `for'
12482 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12484 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
12485 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
12487 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
12490 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
12491 Delete descriptions.
12493 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12494 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12495 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12496 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12497 xm-svr4.h: Remove all instances of sys_siglist handling.
12499 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12501 * config/sparc/sparc.md (cmp_zero_qi,
12502 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12503 cmp_zero_extendqidi2_andcc_set): New patterns.
12505 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12507 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12508 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12509 (fpgnulib.c, xfgnulib.c): Add rules.
12510 * m68k/t-mot3300-gas: Likewise.
12512 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12514 * configure.in: Avoid [[ by using test and changequote. Add
12515 changequote required by 1999-12-14 change.
12516 * configure: Rebuild.
12518 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12520 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12522 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12524 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12525 * flow.c (find_use_as_address): Likewise.
12526 * function.c (fixup_var_refs_1): Likewise.
12527 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12528 * jump.c (invert_exp, redirect_exp): Likewise.
12529 * loop.c (replace_call_address): Likewise.
12530 (count_nonfixed_reads): Likewise.
12531 * rtlanal.c (modified_between_p): Likewise.
12532 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12533 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12534 * unroll.c (remap_split_bivs): Likewise.
12536 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12538 * diagnostic.c (v_message_with_decl): Use .* format specifier
12539 instead of building the format specifier width manually.
12541 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12542 determining whether to provide a prototype. Remove the
12543 sys_siglist clause in the conditional.
12545 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12547 * fold-const.c (operand_equal_p): Use memcmp to compare string
12549 Suggested by D. J. Bernstein
12551 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12553 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12554 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12556 * config/mips/mips.h (TARGET_64BIT): Likewise.
12557 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12558 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12559 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12560 dsps. Give routines proper names if SI/DI modes are not used.
12561 * longlong.h: Use DWunion instead of DIunion.
12563 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12565 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12566 GC_CHECKING, GC_ALWAYS_COLLECT.
12567 * configure.in: Allow --enable-checking with an argument
12568 listing check modes to enable.
12569 * config.in, configure: Rebuilt.
12570 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12571 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12572 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12573 ENABLE_GC_ALWAYS_COLLECT.
12574 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12576 * tree.h, tree.c: Change ENABLE_CHECKING to
12577 ENABLE_TREE_CHECKING throughout.
12579 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12581 * fold-const.c (fold_truthop): Properly check for FP RHS.
12583 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12585 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12586 * toplev.c (note_deferral_of_defined_inline_function): New
12587 function, split out from ...
12588 (rest_of_compilation): ... here. Use it.
12590 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12592 * expr.c (store_constructor): Don't call clear_storage if size is
12595 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12597 * Makefile.in (toplev.o): Depend on loop.h.
12599 * dwarfout.c: Include tm_p.h.
12601 * emit-rtl.c (restore_emit_status): Mark parameter with
12604 * final.c (final_scan_insn): Likewise.
12606 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12607 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12608 flow_depth_first_order_compute, flow_loop_pre_header_find,
12609 flow_loop_tree_node_add, flow_loops_tree_build,
12610 flow_loop_level_compute, flow_loops_level_compute,
12611 flow_loop_outside_edge_p): Add prototypes.
12612 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12614 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12615 Mark with ATTRIBUTE_NORETURN.
12617 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12619 * local-alloc.c (no_conflict_p): Likewise.
12621 * loop.c (insert_bct): Hide definitions of variables with hidden
12623 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12625 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12626 with ATTRIBUTE_UNUSED.
12627 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12628 (reg_scan): Likewise.
12630 * reload.c (find_reloads): Remove unused variables `changed'.
12632 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12634 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12635 Remove unused variable `insn'.
12637 * toplev.c: Include loop.h.
12638 (report_file_and_line): Remove unnecessary prototype.
12640 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12642 * unroll.c (biv_total_increment): Likewise.
12644 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12646 * reload1.c (emit_input_reload_insns): Restore old behaviour
12647 wrt. 'special' reloads.
12649 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12651 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12652 hash.h. (cse.c): Don't depend on hashtab.h.
12654 * cse.c: Don't include hashtab.h.
12655 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12657 * ggc-simple.c: Don't include hash.h.
12659 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12661 * dwarf2out.c (add_abstract_origin_attribute): Call
12662 gen_abstract_function on our function context.
12664 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12666 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12668 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12670 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12673 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12675 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12676 constraints to "a!r".
12678 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12680 * Makefile.in (calls.o): Depend on function.h.
12681 (alias.o): Likewise.
12683 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12685 * reload1.c (emit_reload_insns): Break out code and variables into...
12686 (input_reload_insns, other_input_address_reload_insns,
12687 other_input_reload_insns, input_address_reload_insns,
12688 inpaddr_address_reload_insns, output_reload_insns,
12689 output_address_reload_insns, outaddr_address_reload_insns,
12690 operand_reload_insns, other_operand_reload_insns,
12691 other_output_reload_insns): ... new static variables, and...
12692 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12693 do_output_reload): ... new functions.
12695 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12697 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12699 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12701 * md.texi: Add c4x constraints documentation.
12703 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12705 * config/i386/dgux.c (struct option): Rename to
12706 lang_independent_option.
12707 (struct m_options): Add description field.
12708 (output_options): Rename option type, add sep declaration, output
12709 ix86_cpu_string and ix86_arch_string only if set.
12710 (output_file_start): Rename option type.
12712 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12714 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12716 (libgcc2.a): Similarly.
12718 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12720 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12721 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12722 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12724 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12726 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12727 Remove redundant initialization of "frexpon" and "expon".
12729 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12731 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12733 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12734 (store_constructor_field, expand_expr): Pass new arg.
12736 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12738 * Makefile.in (explow.o): Depend on function.h.
12740 * stor-layout.c (set_sizetype): Fix typo.
12742 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12744 * function.c (cfun): Renamed from current_function. All users
12746 * function.h (cfun): Rename declaration as well.
12748 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12749 to be of type regset_head, not regset. All users changed by adding
12751 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12753 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12755 * config/c4x/rtems.h: New file.
12757 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12759 * reload1.c (spill_failure): Take class of failed reload as argument
12760 and print it. Caller changed.
12762 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12764 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12765 (TARGET_SWITCHES): Allow subtargets to default switches.
12766 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12768 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12770 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12773 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12775 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12776 * cppinit.c (cpp_handle_option): Likewise.
12778 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12779 determine when to define.
12781 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12783 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12784 cmove with mismatched test and data modes.
12786 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12788 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12791 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12793 * alias.c: Minor reformatting.
12794 * flow.c: Likewise.
12795 * regs.h: Likewise.
12796 * stor-layout.c: Likewise.
12797 * fold-const.c: Likewise.
12798 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12799 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12801 (size_int_wide): Cache nodes even if garbage collecting.
12802 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12803 of SAVE_EXPR has no side effects.
12804 * cse.c: Move a comment.
12805 * tree.c: Minor reformatting.
12806 (int_size_in_bytes): Return -1 if constant overflows.
12808 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12810 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12812 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12814 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12815 after any change to c-parse.in, even if objc-parse.y didn't
12818 1999-12-18 David S. Miller <davem@redhat.com>
12820 * toplev.c (rest_of_compilation): Restore BLOCK tree
12821 reconstruction and branch shortening changes lost in
12822 December 18th change.
12824 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12826 * config/arm/linux-elf.h: Change all instances of
12827 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12828 * config/arm/uclinux-elf.h: Likewise.
12830 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12832 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12833 v_message_with_decl, file_and_line_for_asm,
12834 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12835 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12836 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12837 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12838 pfatal_with_name, fatal_io_error, need_error_newline,
12839 last_error_function, last_error_tick, announce_function,
12840 default_print_error_function, print_error_function,
12841 report_error_function, fnotice, error_with_file_and_line,
12842 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12843 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12844 warning_with_decl, warning_for_asm, warning, pedwarn,
12845 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12847 (compile_file): Use fnotice instead of notice. Adjust call.
12849 * diagnostic.c: New file.
12851 * Makefile.in (OBJS): Include diagnostic.o
12852 (diagnostic.o): Define dependence.
12854 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12856 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12859 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12861 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12863 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12865 * fixtests.c (is_cxx_header): New fn, split out of
12867 (else_endif_label): Allow "#endif // comment" in C++ headers,
12868 as determined by is_cxx_header.
12869 * fixfixes.c (else_endif_label_fix): Update comment.
12870 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12872 * genfixes: Correct double thinko in commandline parsing.
12873 * hackshell.tpl: Generate correct sh syntax for bypass
12876 * inclhack.def (all): Whenever an inserted preprocessor
12877 conditional is split over multiple lines, use double
12878 backslashes in this file so the fixed header will be readable.
12880 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12881 and add bypass entry for correct version of this header.
12882 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12883 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12885 (hpux8_bogus_inlines): New fix, split from...
12886 (ultrix_atof_param) ... here.
12887 (math_expression): Add bypass entry keyed to glibc comment
12888 indicating the problem has been dealt with; disable
12889 unnecessary sed operations; update commentary.
12890 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12891 add select and bypass entries, simplify shell operation.
12892 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12894 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12895 ultrix_atof_param): Add select entry.
12896 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12897 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12898 comments with the fixes they describe.
12900 * c-parse.in (string action): Do not warn about ANSI string
12901 concatenation in system headers. Affects C parser only.
12902 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12904 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12906 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12907 compiling libgcc2 the macro depends always on arch cpp defines.
12909 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12911 * loop.c (insert_loop_mem): Don't record MEMs from inside
12914 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12916 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12918 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12919 notes too, create one when replacement failed, attempt to simplify
12921 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12922 or REG_EQUIV notes.
12924 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12926 * crtstuff.c (__dso_handle): Declare.
12927 (__cxa_finalize): Likewise.
12928 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12931 * invoke.texi: Document -fuse-cxa-atexit.
12933 * tree.h (ptr_type_node): Document.
12934 (const_ptr_type_node): Likewise.
12936 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12938 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12939 (optimize_reg_copy_2): Likewise.
12940 (optimize_reg_copy_3): Likewise.
12941 (fixup_match_2): Likewise.
12942 (regmove_optimize): Likewise.
12943 (fixup_match_1): Liekwise.
12945 * i386.md (HI to SImode promoting splitters): Rewrite.
12946 (pushsf mem peep2): New.
12947 (testhi to andhi peep2): Remove.
12948 * i386.h (x86_promote_QImode): New.
12949 (TARGET_PROMOTE_QImode): New.
12950 (PREDICATE_CODES): Add promotable_binary_operator.
12951 * i386.c (x86_promote_QImode0: New.
12952 (promotable_binary_operator): New.
12953 * i386-protos.h (promotable_binary_operator): New.
12955 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12957 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12959 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12961 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12962 * function.c (insert_block_after_note): Remove.
12963 (retrofit_block): Likewise.
12964 (identify_blocks): Fix indentation.
12965 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12966 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12967 * function.h (insert_block_after_note): Remove prototype.
12968 (retrofit_block): Likewise.
12969 * integrate.c (expand_inline_function): Don't call
12970 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12971 just expand_start_bindings. Use the block_map to remap old
12972 NOTE_BLOCKs to new ones.
12973 (integrate_decl_tree): Keep track of remapped blocks.
12974 * integrate.h (struct inline_remap): Add block_map.
12975 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12976 NOTE_BLOCK on the notes.
12977 (expand_start_bindings): Rename to ...
12978 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12979 (expand_end_bindings): Set NOTE_BLOCK.
12980 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12981 reconstruct the BLOCK tree.
12982 * tree.h (expand_start_bindings): Macroize. Call ...
12983 (expand_start_bindings_and_block): New function.
12985 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12987 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12988 to match the format.
12990 1999-12-16 David S. Miller <davem@redhat.com>
12992 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12993 the outputs is a SUBREG.
12994 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12997 * config/sparc/sparc.c (epilogue_renumber): Add default case
13000 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13002 * toplev.c (rest_of_compilation): Run branch shortening after
13005 * regclass.c (loop_depth): Remove
13006 (scan_one_insn): Do not handle LOOP_NOTE insns.
13007 (regclass): Go through basic blocks and set loop_cost
13009 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
13011 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
13013 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13015 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
13016 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
13017 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
13019 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
13021 * loop.c (insert_loop_mem): Ignore memory clobbers.
13023 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
13026 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
13028 * profile.c: Remove redundant #include "output.h".
13030 * h8300.md (HImode preinc peephole): Fix typo.
13032 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13034 * function.c (retrofit_block): Abort if we don't find a suitable insn.
13035 (insert_block_after_note): Abort if we don't have a previous block.
13036 Remove FN parameter.
13037 * function.h: Adjust.
13039 1999-12-15 Mark Mitchell <mark@codesourcery.com>
13041 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
13042 argument more than once.
13044 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13046 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
13048 1999-12-15 Jakub Jelinek <jakub@redhat.com>
13050 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
13052 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13054 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
13055 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
13056 update stack_alignment_needed.
13057 (prepare_function_start): Initialize stack_alignment_needed
13058 * function.h (struct function): Add field stack_alignment_needed.
13060 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13062 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
13063 Handle live_throughout / dead_or_set instead of live_before /
13065 (save_call_clobbered_regs): Get register livenessinformation from
13066 chain->live_throughout.
13067 (add_stored_regs): New function.
13068 (insert_restore, insert_save): Add restored / saved registers to
13070 * global.c (reg_dies): New parameter chain.
13071 (reg_becomes_live): Third parameter is regs_set now.
13072 Changed all callers.
13073 (reg_dies): New parameter chain. Changed all callers.
13074 (build_insn_chain): Set live_throughout instead of
13075 live_before / live_after.
13076 * reload.h (struct insn_chain): Replace members live_before /
13077 live_after with live_throughout / dead_or_set.
13078 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
13079 instead of live_before / live_after.
13080 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
13081 (order_regs_for_reload, find_reg, finish_spills): Likewise.
13082 (choose_reload_regs_init): Likewise.
13083 * stupid.c (current_chain, find_clobbered_regs): Delete.
13084 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
13085 instead of chain->live_before / chain->live_after.
13086 (mark_hard_ref): New function.
13087 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
13089 1999-12-15 David S. Miller <davem@redhat.com>
13091 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
13093 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13095 * flow.c (calculate_loop_depth): Make global, remove prototype,
13096 rewrite to use new loop infrastructure.
13097 (find_basic_block): Remove calculate_loop_depth call.
13098 * toplev.c (rest_of_compilation): Call find_basic_block.
13099 * output.h (calculate_loop_depth): Declare.
13101 * flow.c (dump_flow_info): Dump loop_depth.
13102 (flow_loops_nodes_find): Increase loop_depth for basic block in the
13104 (flow_loops_find): Initialize the loop_depth for each basic block.
13106 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13108 * tree.c (decl_function_context): Handle virtual functions.
13110 * tlink.c (scan_linker_output): Don't look in demangled name when
13111 looking for linker output keywords.
13113 * dwarfout.c (output_type): We can defer namespace-scope classes.
13115 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
13117 * regclass.c (record_reg_classes): Update comment for merging
13118 register class preferences in reg->reg copies. Tighten conditions
13119 for merging register class preferences in reg->reg copies.
13121 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
13123 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
13125 1999-12-14 Geoff Keating <geoffk@cygnus.com>
13127 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
13128 (INIT_SECTION_ASM_OP): Delete.
13129 (FINI_SECTION_ASM_OP): Delete.
13130 (STARTFILE_SPEC): Define to hold just crtbegin.o.
13132 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
13134 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
13135 the abstract origin wasn't emitted.
13137 * dwarf2out.c (class_scope_p): New fn.
13138 (gen_subprogram_die): Use it.
13139 (gen_variable_die): Use it. Tweak logic.
13140 (gen_struct_or_union_type_die): Check context_die to determine
13141 if we're function-local.
13142 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
13144 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13146 * loop.c (check_dbra_loop): Can't reverse a biv that has
13147 maybe_multiple set.
13149 1999-12-14 Nick Clifton <nickc@cygnus.com>
13151 * config/arm/arm.c: Add support for -mcpu=arm720 command line
13154 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13156 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
13157 for givs made from biv increments.
13159 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
13161 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
13162 * alpha.c (override_options): Recognize -mcpu=ev67.
13163 * alpha.h (CPP_CPU_EV67_SPEC): New.
13164 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
13165 (EXTRA_SPECS): Update.
13167 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
13169 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
13170 appropriate for -lang-c89 and -std=*.
13171 * cppinit.c (cpp_handle_option): Likewise.
13172 (new_pending_define): New, split out from cpp_handle_option.
13173 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
13174 or enable trigraphs for -ansi/-std=*.
13176 * ginclude/stdarg.h (__va_copy): New.
13177 (va_copy): Don't define for C89.
13179 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
13181 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
13182 for long long multiply-accumulate.
13184 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13186 * regclass.c (scan_one_insn): Set loop_cost to 1 when
13187 optimizing for size.
13189 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13191 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
13192 if something changed. Back out that part of yesterday's changes.
13194 * loop.c (loop_max_reg): New static variable.
13195 (loop_optimize): Initialize it. Eliminate one unnecessary call to
13197 (scan_loop): Call reg_scan_update whenever we may have added new
13198 registers, and update loop_max_reg.
13200 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13202 * regclass.c (record_reg_classes): Do not do the copying preferrencing
13203 when source does not die.
13205 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
13207 1999-12-14 Jakub Jelinek <jakub@redhat.com>
13209 * config/sparc/linux64.h (TARGET_LIVE_G0,
13210 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
13212 * config/sparc/linux.h (TARGET_LIVE_G0,
13213 TARGET_BROKEN_SAVERESTORE): Likewise.
13214 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
13215 TARGET_BROKEN_SAVERESTORE): Likewise.
13217 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
13218 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
13220 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
13221 as sparc64 block profiling register.
13222 * config/sparc/sparc.c (sparc_override_options): Allow block
13223 profiling with -m32.
13224 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
13225 profiling register.
13226 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
13227 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
13228 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
13230 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
13232 * config/sparc/sparc.h: Likewise.
13233 * config/sparc/xm-sysv4-64.h: Likewise.
13234 * config/float-sparc.h: Likewise.
13235 * glimits.h: Likewise.
13236 * longlong.h: Likewise.
13238 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
13239 (ASM_IDENTIFY_GCC): Remove.
13241 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13243 * combine.c (combine_simplify_rtx): Don't make shared rtl.
13244 (simplify_logical): Likewise.
13246 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13248 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
13249 * cppfiles.c (INO_T_EQ): Likewise.
13251 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13253 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
13254 * i386/mingw32.h (LIB_SPEC): Likewise.
13255 (STARTFILE_SPEC): Likewise.
13256 * i386/uwin.h (LIB_SPEC): Likewise.
13257 (STARTFILE_SPEC): Likewise.
13259 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
13260 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
13262 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
13264 * combine.c (combine_simplify_rtx): Fix order of checks for
13265 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
13267 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
13269 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
13270 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
13272 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13274 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
13276 * regclass.c (inv_reg_alloc_order): New array.
13277 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
13279 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
13280 counted_for_groups, counted_for_nongroups. Add fields rld and
13282 * reload.c (push_secondary_reload): Don't set nongroup field of
13284 (push_reload): Likewise.
13285 (find_reloads): Delete code to compute nongroup fields.
13286 * reload1.c (reload_insn_firstobj): New static variable.
13287 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
13289 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
13290 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
13291 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
13293 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
13295 (struct hard_reg_n_uses): Deleted.
13296 (potential_reload_regs): Deleted.
13297 (init_reload): Initialize spilled_pseudos and pseudos_counted.
13298 (reload): Don't try to allocate reload registers if we already know
13299 we have to make another pass. Call select_reload_regs. Free memory
13300 starting with reload_firstobj when starting another pass.
13301 Don't allocate spilled_pseudos.
13302 (calculate_needs_all_insns): Call copy_reloads for an insn that
13303 needs reloads; don't call calculate_needs.
13304 (spill_cost): New static array.
13305 (used_spill_regs_local): New static variable.
13306 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
13307 to compute potential_reload_regs.
13308 (find_reload_regs): Completely rewritten to use find_reg.
13309 (allocate_reload_reg): Don't test counted_for_groups or
13310 counted_for_nongroups. Lose NOERROR arg and code to give an error;
13311 all cllers changed.
13312 (choose_reload_regs): Add fallback code that uses the existing
13313 register allocation from find_reload_regs.
13315 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
13317 * flow.c (create_edge_list): Cast xmalloc return value.
13319 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
13321 * doprnt.c: Remove incorrect comment closure.
13323 * cse.c: Fix a few minor whitespace goofs.
13325 1999-12-13 Don Bowman <don@pixstream.com>
13327 * mips/vxworks.h: Fix problem with comment termination.
13328 (EXTRA_SECTIONS): Add in_sbss.
13329 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
13331 1999-12-12 David S. Miller <davem@redhat.com>
13333 * cse.c (struct cse_reg_info): Add hash_next member,
13334 reorder rest of struct for better packing on 64-bit
13336 (cse_reg_info_tree): Kill.
13337 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
13338 REGHASH_FN): New custom pow2 hash mechanism.
13340 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
13341 use a pow2 hash table.
13342 (get_cse_reg_info): Rework to use new REGHASH.
13343 (new_basic_block): Likewise, use HASH_SIZE, and inline
13345 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
13346 and inline free_element call.
13347 (lookup_as_function, insert, flush_hash_table, invalidate,
13348 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
13349 invalidate_for_call, use_related_value, find_comparison_args,
13350 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
13351 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
13352 get_element): Kill.
13354 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
13356 * cse.c (cse_basic_block): Free qty_table consistently.
13358 1999-12-12 David S. Miller <davem@redhat.com>
13359 Jakub Jelinek <jakub@redhat.com>
13361 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
13362 SUBREGs by hand, gen the appropriate hard reg directly.
13363 (movtf reg/mem split): Likewise and alter_subreg on destination
13365 (movtf mem/reg split): Similarly.
13366 (movdf_cc_sp64): Rename from hidden pattern.
13367 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
13368 (movtf_cc_sp64, following split): New pattern and splitter.
13369 (movdf_cc_reg_sp64): Rename from hidden pattern.
13370 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
13372 (movtf_cc_reg_sp64, following split): New pattern and splitter.
13374 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
13376 * loop.c (load_mems): Don't hoist written floating point mem
13379 1999-12-12 Mark Mitchell <mark@codesourcery.com>
13381 * except.h (struct eh_queue): Add `next' pointer.
13382 (struct eh_status): Make x_ehqueue a pointer.
13383 (push_ehqueue): Declare.
13384 (pop_ehqueue): Likewise.
13385 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
13387 (expand_fixup_region_end): Likewise.
13388 (expand_leftover_cleanups): Likewise.
13389 (push_ehqueue): Define.
13390 (pop_ehqueue): Likewise.
13391 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
13392 than doing it inline.
13393 (expand_start_all_catch): Adjust now that ehqueue is a
13395 (mark_eh_queue): Mark all level of the queue.
13396 (mark_eh_status): Adjust now that ehqueue is a
13398 (init_eh_for_function): Allocate ehqueue.
13399 (free_eh_status): Free it.
13400 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
13401 expansion for a fixup.
13403 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13405 * gthr-single.h (__gthread_active_p): Add prototype arguments.
13407 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
13408 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
13409 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
13410 function_ptr, getpagesize, __enable_execute_stack,
13411 __enable_execute_stack, __clear_insn_cache,
13412 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
13413 _cleanup, _exit, __default_terminate, __terminate_func,
13414 __terminate, __empty, __throw, new_eh_context,
13415 eh_context_initialize, eh_context_static, eh_context_specific,
13416 get_eh_context, __get_eh_context, __get_eh_info,
13417 init_reg_size_table, eh_threads_initialize,
13418 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
13419 __unwinding_cleanup, throw_helper, __throw, __rethrow,
13420 __pure_virtual): Add prototype arguments.
13421 (__bb_exit_func): Cast a sizeof to long when comparing against one.
13422 Cast a signed value to unsigned long when comparing against one.
13423 (new_eh_context): Wrap in _GTHREADS macro.
13424 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
13426 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
13427 (throw_helper): Initialize variables `handler_p' and `pc_p'.
13429 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13431 * combine.c (record_promoted_value): Remove unused variable
13434 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
13436 * global.c (record_conflicts): Likewise for `j'.
13438 * genoutput.c (output_insn_data): Don't unnecessarily cast away
13441 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13443 * i386-protos.h (output_387_binary_op, output_fix_trunc,
13444 output_fp_compare): Constify a char*.
13446 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
13448 (override_options, ix86_comp_type_attributes, print_operand,
13449 output_387_binary_op, output_fix_trunc, output_fp_compare):
13451 (ix86_sched_reorder): Mark parameter `clock_var' with
13454 * i386.h (DEBUG_PRINT_REG): Constify a char*.
13456 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
13458 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
13459 operand, for use in the Java front-end.
13461 1999-12-10 Ben Collins <bcollins@debian.org>
13463 * configure.in: Fix typo for "-64" in 64bit as check.
13464 * configure: Rebuilt.
13466 1999-12-10 Jakub Jelinek <jakub@redhat.com>
13468 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
13471 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13473 * c-parse.in (string): With -Wtraditional, warn if ANSI string
13474 concatenation is utilized.
13476 * invoke.texi (-Wtraditional): Document it.
13478 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13480 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
13481 Cast a ptrdiff_t to long and pass it to printf with %ld.
13483 1999-12-10 Geoff Keating <geoffk@cygnus.com>
13485 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
13486 68881, we have no 68881 registers at all.
13487 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
13488 value in a 68881 register if it is available.
13490 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
13492 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
13493 for long long multiply-accumulate.
13495 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13497 * loop.c (insert_loop_mem): Undo last change.
13499 1999-12-10 David S. Miller <davem@redhat.com>
13501 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13503 * config/sparc/sparc-protos.h: Add them.
13504 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13505 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13506 constraints which use those helpers.
13507 (EXTRA_CONSTRAINT): Use this new macro.
13508 * md.texi: Update sparc target constraints documentation.
13509 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13510 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13511 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13512 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13513 (movsf high/lo_sum split): Rework for new patterns.
13514 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13516 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13518 * c-common.c (c_common_nodes_and_builtins):
13519 Create __builtin_ptrdiff_t and __builtin_size_t.
13521 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13523 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13525 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13527 * regclass.c (globalize_reg): Re-instate test that allows
13528 fixed registers to be declared as a variable even after functions
13531 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13533 * i386.md (cpu attribute): Add "athlon".
13534 (athlon_decode): New attribute.
13535 (Athlon scheduling units definitions): New.
13536 (fcmp and shld patterns): Set athlon_decode to "vector".
13537 * i386.c (athlon_cost): New.
13539 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13540 x86_use_sahf): Set for Athlon.
13541 (x86_use_fiop): Unset for Athlon.
13542 (override_options): Define Athlon alignments and "athlon" name.
13543 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13544 * i386.h (TARGET_ATHLON): New.
13545 (enum processor_type): Add PROCESSOR_ATHLON.
13546 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13548 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13550 1999-12-09 Andreas Jaeger <aj@suse.de>
13552 * loop.c (record_biv): Declare parameter as int.
13554 * config/i386/i386-protos.h: Declare long_memory_operand.
13556 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13558 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13559 EXPR_WITH_FILE_LOCATION.
13561 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13563 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13566 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13568 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13571 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13573 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13574 default on linux64 again.
13575 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13576 models for multilibing.
13577 * genmultilib: Accept | as alternative separator within a set in
13580 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13582 * calls.c (precompute_arguments): Make sure initial_value contains
13583 value pseudo which CSE expects.
13584 * cse.c (struct set): New entry orig_src.
13585 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13588 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13590 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13592 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13594 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13596 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13598 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13599 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13601 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13604 * longlong.h: Merge in changes from glibc.
13605 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13606 -mno-app-regs libgcc can be compiled.
13607 * libgcc2.c: Add defines so that the updated longlong.h
13608 can be used in libgcc2.a. Also, make sure on most architectures
13609 (at least on all which have optimized code in longlong.h defined
13610 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13612 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13614 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13615 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13616 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13618 * configure: Rebuilt.
13620 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13622 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13623 outputs require a register.
13625 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13627 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13628 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13629 functions like dptoul will be resolved.
13630 (libgcc2.a): Make sure that the object files from DPBIT are named
13631 differently (prefix `_dp') from those that would be coming from
13634 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13636 * configure.in: When target is sparc* and tm_file contains 64,
13637 test for 64bit support in assembler. If not supported, remove
13638 sparc/t-sol2-64 from target-dependent Makefile fragments.
13639 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13640 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13641 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13642 * acconfig.h (AS_SPARC64_FLAG): Added.
13643 * configure, config.in: Rebuilt.
13644 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13645 support. Use AS_SPARC64_FLAG.
13647 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13649 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13650 suitable for holding OFmode values so that gcc works with complex
13652 (hard_64bit_mode_classes): Likewise.
13654 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13655 so that it is actually matched.
13656 (sethi_di_medlow): Likewise.
13658 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13659 as legitimate constant if -mvis.
13660 * config/sparc/sparc.md (movtf): Likewise.
13661 (clear_sf): Use const_double_operand.
13662 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13664 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13665 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13666 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13667 routines, _Qp_* cannot be handled like that now.
13668 (INIT_TARGET_OPTABS): Likewise.
13669 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13670 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13671 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13672 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13673 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13674 divtf3, sqrttf3): New expanders.
13675 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13676 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13677 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13680 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13681 * configure: Rebuilt.
13682 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13683 -mcpu is given and we're doing 64bit compiles.
13685 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13687 * loop.h (struct induction): Add multi_insn_incr.
13688 * loop.c (basic_induction_var): New multi_insn_incr argument.
13689 Set it if we search back through previous insns for the biv.
13690 (record_biv): New multi_insn_incr argument; fill in struct induction.
13691 (strength_reduce): Discard an iv with multiple bivs, any of
13692 which require multiple insns to increment.
13694 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13696 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13699 1999-12-06 David S. Miller <davem@redhat.com>
13701 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13702 PROMOTE_FUNCTION_RETURN.
13704 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13706 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13707 and handle REG_UNUSED note on insn.
13709 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13710 inner_mask instead of mask.
13712 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13714 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13715 zero if there was an error.
13717 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13719 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13722 * longlong.h: Fix clobbers in SPARC asm statements.
13724 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13725 valid sethi operations when TARGET_ARCH64.
13727 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13728 always use move_by_pieces to avoid infinite recursion.
13729 (restore_fixed_argument_area): Likewise.
13731 * combine.c (check_promoted_subreg, record_promoted_value): New
13733 (combine_instructions): Use them to retain nonzero and sign bit
13734 information after SUBREGs are eliminated by optimizations in
13735 this pass if PROMOTE_FUNCTION_RETURN.
13737 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13738 .register declaration. Don't use variables with __ prefixes.
13740 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13742 * fold-const.c (optimize_bit_field_compare): Only use one mode
13743 for both RHS and LHS in non-constant case.
13745 1999-12-06 Nathan Sidwell <nathan@acm.org>
13747 * frame.c (start_fde_sort): Only allocate erratic array, if
13748 linear one was allocated. Return allocated flag.
13749 (fde_insert): Only insert, if there's a valid array.
13750 (fde_end_sort): Split, sort and merge if linear and erratic
13751 arrays exist, else just sort linear one.
13752 (search_fdes): New function. Linear search through original fde
13754 (frame_init): Permit multiple initializations. Cope with
13756 (find_fde): Fallback on linear search, if failed to sort array.
13757 (__deregister_frame_info): Only free sorted array, if we
13760 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13762 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13764 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13766 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13768 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13770 * tree.h (special_function_p): Declare.
13771 * calls.c (special_function_p): Make it global. Don't take `name'
13772 as a parameter. Fix typo in 1999-11-28 change.
13773 (expand_cal): Adjust.
13775 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13777 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13778 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13779 EXPR_WFL_FILENAME_NODE.
13780 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13782 * print-tree.c (print_note): Print TREE_PRIVATE and
13785 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13786 the original die cannot be found.
13788 * varray.h (varray_head_tag): Add elements_used.
13789 (VARRAY_PUSH): New macro.
13790 (VARRAY_POP): Likewise.
13791 (VARRAY_TOP): Likewise.
13792 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13794 * varray.c (varray_init): Initialize elements_used.
13795 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13796 (INTEGRATE_H): New variable.
13797 (integrate.o): Depend on INTEGRATE_H.
13798 (unroll.o): Likewise.
13800 * function.h (insert_block_after_note): Declare.
13801 * function.c (insert_block_after_note): Split out from ...
13802 (retrofit_block): ... here.
13804 * stmt.c (expand_fixup): Fix typo in comment.
13806 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13808 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13809 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13810 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13811 (regmove_optimize, fixup_match_1): Likewise.
13813 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13815 * flow.c (flow_loops_dump): Add missing argument when calling
13816 flow_loop_nested_p.
13818 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13819 Greg McGary <gkm@gnu.org>
13821 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13822 (init_attributes): Add A_NO_LIMIT_STACK.
13823 (decl_attributes): Handle A_NO_LIMIT_STACK.
13824 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13825 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13826 Handle stack bounds checking.
13827 * flags.h (flag_stack_check): Use the word 'probe' rather than
13828 'check', because the flag doesn't actually cause any checking to
13830 * function.c (expand_function_start): Set
13831 current_function_limit_stack.
13832 * function.h (struct function): Add limit_stack.
13833 (current_function_limit_stack): Define.
13834 * invoke.texi (Code Gen Options): Document new options.
13835 * rtl.h: Declare stack_limit_rtx.
13836 * toplev.c (stack_limit_rtx): New variable.
13837 (decode_f_option): Handle new options -fstack-limit-register=REG,
13838 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13839 (main): Add stack_limit_rtx as GC root.
13840 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13841 (struct tree_decl): New member no_limit_stack.
13843 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13845 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13846 (conditional_trap+1): Get new mnemonic correct.
13847 (conditional_trap+2): New pattern for DImode traps.
13849 * config/m68k/m68k.c (output_function_prologue): Handle
13851 * config/m68k/m68k.md (trap): New insn.
13852 (conditional_trap): New insn.
13853 * md.texi (Standard Names): Document `trap' and
13854 `conditional_trap'.
13855 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13856 so a cc0 setter doesn't get emitted at some random place in the
13859 * config/i960/i960.md (trap): New insn.
13860 (conditional_trap): New expander.
13861 (conditional_trap+1, conditional_trap+2): New insns for signed
13862 and unsigned cases.
13863 * config/i960/i960.c (i960_function_prologue): Use
13864 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13866 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13867 Geoffrey Keating <geoffk@cygnus.com>
13869 * flags.h (warn_padded, warn_packed): Add global var decls.
13870 * toplev.c (warn_padded, warn_packed): Add global var defns.
13871 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13872 * stor-layout.c (layout_record): Add local variable `type'
13873 to hold often-used TREE_TYPE (field). Add local variable
13874 `unpacked_align' to hold alignment that would be in force
13875 if no `packed' attribute were present. Warn if `packed' attribute
13876 is unnecessary, or even harmful. Warn when gcc inserts padding
13877 to satisfy alignment requirements of members. Use NULL_TREE
13878 when checking whether var_size is set.
13879 * invoke.texi: Document new flags.
13881 1999-12-03 Nathan Sidwell <nathan@acm.org>
13883 * frame.c (fde_split): Reimplement to avoid variable sized array.
13885 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13887 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13888 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13890 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13892 * invoke.texi: Document the mips option -mno-crt0
13894 1999-12-02 Mike Karr <mkarr@mathworks.com>
13896 * cccp.c (argdata): Added free_ptr member.
13897 (macroexpand): Initialize free_ptr of each argument. When an
13898 argument's buffers are freed, if the argument's free_ptr corresponds
13899 to a buffer on the input stack, then return the free_ptr to that stack
13900 frame, otherwise, free it.
13901 (macarg): If an argument begins and ends on the same input stack level,
13902 then transfer the free_ptr of that buffer to the argument in case
13903 the stack is popped during the processing of a subsequent argument.
13905 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13907 * loop.c (note_reg_stored): New function.
13908 (struct note_reg_stored_arg): New structure.
13909 (try_copy_prop): Change to be more conservative; only replace within
13910 one extended basic block and stop replacing if a store to the
13911 replacement reg is seen.
13913 1999-12-02 Nick Clifton <nickc@cygnus.com>
13915 * config/fp-bit.c: Initialise all fields of the NAN
13918 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13921 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13923 * i386.md (extend?f?f2): Force the input into a register, not
13926 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13928 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13930 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13931 alternative because setting up 64bit constant is usually costly,
13932 especially when reload is in progress or completed.
13933 (movdf_const_intreg_sp64): Likewise.
13934 (movdf_const_intreg split): Fix building up constants when
13935 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13937 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13939 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13940 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13943 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13944 (asm_file_start): Emit .am33 into assembly file when compiling for
13946 (print_operand_address): Handle POST_INC addresses.
13947 (can_use_return_insn, initial_offset): Check AM33 registers too.
13948 (expand_prologue): Check & save AM33 registers too.
13949 (expand_epilogue): Similarly.
13950 (secondary_reload_class): Handle AM33 specific secondary reloads.
13951 (output_tst): Emit efficient code for the AM33 too.
13952 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13953 (TARGET_SWITCHES): Add -mam33 switch.
13954 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13955 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13956 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13957 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13958 (enum reg_class, REG_CLASS_NAMES): Likewise.
13959 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13960 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13961 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13962 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13963 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13964 (HAVE_POST_INCREMENT): Define.
13965 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13966 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13967 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13968 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13969 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13970 (zero_extend to SI from QI/HI): Likewise.
13971 (sign_extend to SI from QI/HI): Likewise.
13972 (mulsidi3, umulsidi3): New patterns for the AM33.
13973 (tstsi with zero extension from QI/HI): Add AM33 variants.
13974 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13975 (return_internal_regs, store_movm): Handle new AM33 registers.
13976 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13977 (LIBGCC, INSTALL_LIBGCC): Likewise.
13978 * invoke.texi: Document new flags.
13980 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13982 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13983 (addsi3_carry): Likewise.
13984 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13985 (sbbsi3_carry): Likewise.
13986 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13987 (mulhi3): Likewise.
13988 (test?i_1): Ensure that only one operand is memory.
13989 (conditional move patterns): likewise.
13990 (shift and rotate patterns): Rewrite to expander, add
13991 "binary_operator_ok" to the condition.
13993 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13994 * i386.h (procesor_costs): Add movzbl_load field.
13995 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13996 non-Q registers, accept DImode registers anywhere.
13998 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13999 * i386.c (*_cost): Set value for movxbl_load field.
14001 * (addsi): New add to lea splitter.
14002 (ashlsi): Likewise.
14003 (lea to add/shift peep2): New.
14005 1999-12-01 Mark Salter <msalter@cygnus.com>
14007 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
14008 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
14009 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
14011 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14013 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
14014 * i386.md (movsi_xor): New.
14016 (movsi_1, movhi_1, movqi_1): Remove.
14017 (movsi_2): Rename to movsi_1.
14018 (movhi_2): Rename to movhi_1.
14019 (movqi_2): Rename to movqi_1.
14020 (movdi_1): Remove; remove splitter.
14021 (movdi_2): Rename to movdi_1.
14022 (divmodsi4 splitter): Do not emit clobbers for move patterns.
14023 (long move peep2): Do not create QI or HI mode mov0s
14024 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
14026 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
14029 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
14030 (abs?f2_if): Likewise.
14032 1999-11-30 Alex Samuel <samuel@codesourcery.com>
14034 * ggc.h (ggc_test_and_set_mark): New macro.
14035 (ggc_mark_rtx): Use ggc_test_and_set_mark.
14036 (ggc_mark_tree): Likewise.
14037 (ggc_mark_rtvec): Likewise.
14038 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
14040 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
14042 * dwarf2out.c (scope_die_for): Only handle types. Only search for
14044 (decl_scope_table): Just an array of trees now.
14045 (push_decl_scope): Simplify.
14046 (dwarf2out_init): Adjust.
14047 (local_scope_p): New fn.
14048 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
14049 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
14050 (gen_typedef_die): Likewise.
14051 (gen_lexical_block_die): Don't call push/pop_decl_scope.
14052 (gen_inlined_subroutine_die): Likewise.
14053 (gen_abstract_function): Set current_function_decl temporarily.
14054 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
14055 Handle block extern declarations. Don't call push/pop_decl_scope.
14056 (gen_decl_die): Fix logic for block externs.
14058 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14060 * calls.c (special_function_p): Remove `realloc' and add `strdup'
14061 to the list of functions which have attribute malloc by default.
14063 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14065 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
14066 integer constant does not match the traditional type, limit the
14067 warnings to cases where the base of the type is ten.
14069 * invoke.texi (-Wtraditional): Document it.
14071 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14073 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
14074 * rs6000.md: Only access a CONST_INT with INTVAL
14076 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
14078 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
14079 (compute_nearerout): Likewise.
14080 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
14081 size_t to unsigned long for formatting.
14083 1999-11-30 Jakub Jelinek <jakub@redhat.com>
14085 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
14086 Allow the user to override call-used/fixed state of %g2-5
14087 registers from the command line (with the exception of %g4 for
14089 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
14090 there is a higher chance of having a leaf function.
14091 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
14092 for ARCH64 which has %ccr register.
14093 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
14095 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
14096 insn accept into delay slot any insn which does not use %[ol]
14097 registers. Accept some LO_SUM and shift left by 1 for the normal
14099 (output_function_epilogue): Likewise.
14100 (epilogue_renumber): Added argument which inhibits any renumbering
14101 and just tests if the rtx does not use any %[ol] registers.
14102 (output_return): Reflect above change.
14104 1999-11-30 Jakub Jelinek <jakub@redhat.com>
14106 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
14107 aggregate passing for sizes <= 16 bytes.
14109 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
14111 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
14112 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
14113 * reload.c (find_dummy_reload): Likewise.
14114 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
14115 * reload1.c (reload_as_needed): Likewise.
14116 * stupid.c (stupid_find_reg): Likewise.
14117 * tm.texi (Obsolete Register Macros): Delete section.
14118 * gmicro.h: Remove all traces of the two macros.
14119 * i386.h: Likewise.
14120 * m88k.h: Likewise.
14121 * mips.h: Likewise.
14123 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
14125 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
14126 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
14127 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
14128 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
14129 units for the sparclite86x chip.
14130 (flush): Revert October 14th change; add SImode specifically.
14131 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
14132 * invoke.texi: Document it.
14134 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
14136 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
14137 psimode_truncation_operand.
14139 * config/mn10200/mn10200.c (psimode_truncation_operand): New
14140 function. Return true if the operand is either a MEM valid
14141 for a PSImode address or not a MEM at all.
14143 * config/mn10200/mn10200.md (truncsipsi2): Use
14144 psimode_truncation_operand.
14146 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14148 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
14149 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
14150 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
14151 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
14152 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
14153 (flow_loop_level_compute, low_loops_level_compute): Likewise.
14154 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
14155 * basic-block.h: Protect from multiple inclusion.
14156 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
14157 (struct loops, struct loop): Define structures.
14158 * sbitmap.c (sbitmap_a_subset_b_p): New function.
14159 * sbitmap.h: Protect from multiple inclusion.
14160 (sbitmap_a_subset_b_p): Add prototype.
14161 * Makefile.in (LOOP_H): New macro.
14162 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
14164 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
14166 * cppinit.c (CAT): The argument list of this macro may not contain
14169 1999-11-29 David S. Miller <davem@redhat.com>
14171 Move quantity tables and register equivalence chains into
14172 per-qty and per-register structure arrays respectively.
14173 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
14174 qty_const_insn, qty_comparison_code, qty_comparison_const,
14175 qty_comparison_qty): Delete, replace with...
14176 (qty_table): this structure table.
14177 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
14178 (reg_eqv_table): this structure table.
14179 (make_new_qty): Add argument MODE. Caller updated.
14180 Update to use qty_table and reg_eqv_table.
14181 (make_regs_eqv, delete_reg_equiv, insert_regs,
14182 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
14183 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
14184 cse_process_notes, cse_main, cse_basic_block): Likewise.
14186 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14188 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
14189 operation if C is negative.
14190 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
14191 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
14192 law for some divisions if constant is negative and change other
14193 divisions to the opposite rounding.
14195 * expr.c (store_constructor_field): If bit position is not multiple
14196 of alignment of TARGET's mode, use BLKmode.
14198 * expr.c (expand_expr_unaligned): Add more code from full case
14199 that is needed when OP0 is in a register.
14201 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14203 * dwarfout.c (field_byte_offset): Size can be zero if there was
14206 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14208 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
14209 (associate_trees): Delete unused var TEM.
14210 (extract_muldiv): Delete unused var CANCEL_P.
14212 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
14213 (target_isinf, target_isnan, target_negative): Add return types to
14214 function definitions.
14216 1999-11-29 Bruce Korb <autogen@linuxbox.com>
14218 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
14219 * fixinc/hackshell.tpl: ditto
14220 * fixinc/fixtests.c(double_slash_test): more C++ header testing
14221 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
14223 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14225 * reload.c (push_reload): When looking for a register to put into
14226 reg_rtx, make sure all hard regs in a multi-reg register are in the
14227 right class and nonfixed.
14229 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
14230 pending_read_insns, pending_write_insns, pending_read_mems,
14231 pending_write_mems, pending_list_length, last_pending_memory_flush,
14232 last_function_call, sched_before_next_call): Move static variables
14234 (bb_ prefixed versions): Replace with single array bb_deps.
14235 (struct deps): New structure.
14236 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
14237 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
14238 argument of type "struct deps *"; use that instead of global
14239 variables. All callers changed.
14240 (init_rgn_data_dependencies): Delete function.
14241 (init_rtx_vector): Delete function.
14242 (init_deps): New function.
14244 (free_pending_lists): Simplify, we always use the bb_deps array even
14245 if only one basic block.
14246 (compute_block_backward_dependences): Likewise.
14247 (schedule_region): Likewise.
14249 (propagate_deps): New function, broken out of
14250 compute_block_backward_dependences.
14251 (compute_block_backward_dependences): Use it.
14253 * alpha.md: Delete useless patterns that tried to work around
14254 register elimination problems.
14256 * unroll.c (loop_iterations): Don't abort if iteration variable
14259 From Joern Rennecke:
14260 * reload1.c (reloads_conflict): Reverse test comparing operand
14261 numbers when testing for conflict between output/outaddr reloads.
14263 1999-11-29 David S. Miller <davem@redhat.com>
14265 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
14267 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
14269 1999-11-28 Robert Lipe <robertl@cygnus.com>
14271 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
14272 table from .fini into .dtor.
14274 1999-11-28 Anthony Green <green@cygnus.com>
14276 * tree.h (struct tree_decl): Add malloc_flag.
14277 (DECL_IS_MALLOC): Define.
14278 * c-common.c (attrs): Add A_MALLOC attribute.
14279 (init_attributes): Add this attribute to the table.
14280 (decl_attributes): Handle malloc attribute.
14281 * calls.c (special_function_p): Check for the malloc attribute.
14282 * extend.texi (Function Attributes): Document malloc attribute.
14284 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
14286 * pa.md (reload shift-add patterns): Remove.
14288 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14290 * reorg.c (dbr_schedule) Print more statistics. Corrected
14291 problem when printing info when 3 delay slots are filled.
14293 1999-11-28 Jakub Jelinek <jakub@redhat.com>
14295 * combine.c (setup_incoming_promotions): Pass an outgoing
14296 regno to FUNCTION_ARG_REGNO_P which it expects.
14298 1999-11-28 Andreas Jaeger <aj@suse.de>
14300 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
14302 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
14304 * cccp.c (do_include): Avoid initialization of automatic variable.
14306 * integrate.c (mark_stores): Function definition made void, to match
14307 previous declaration.
14308 * regclass.c (dump_regclass): Ditto.
14309 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
14311 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14313 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
14314 known to be multiple of divisor.
14316 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
14318 * combine.c (try_combine): Add code to try to merge a set of a
14319 two-word pseudo to a constant with a setting of one of those words
14322 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
14323 (split_tree): Completely rework to make more general.
14324 (make_range, fold): Call negate_expr.
14325 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
14326 (fold, associate): Call new split_tree and associate_trees.
14327 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
14329 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
14331 * loop.c (try_copy_prop): Avoid GNU C extension.
14333 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14335 * except.c (init_eh_for_function): Still zero eh_return_context,
14336 eh_return_stack_adjust, and eh_return_handler.
14338 * except.h (eh_status): Adjust documentation for x_protect_list.
14339 (begin_protect_partials): New function.
14340 * except.c (enqueue_eh_entry): Fix formatting.
14341 (get_first_handler): Add consistency check.
14342 (add_partial_entry): Adjust usage of protect_list.
14343 (emit_cleanup_handler): Save and restore ehqueue.
14344 (expand_start_all_catch): Add comment.
14345 (begin_protect_partials): New function.
14346 (end_protect_partials): Adjust usage of protect_list.
14347 (init_eh_for_function): Use xcalloc.
14349 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14351 * c-common.c (check_format_info): Don't call a variadic function
14352 with a non-literal format string.
14354 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
14356 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
14357 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
14360 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
14363 * collect2.c (collect_wait): Likewise.
14365 * dbxout.c (dbxout_type): Likewise.
14367 * gcc.c (do_spec_1): Likewise.
14369 * genemit.c (gen_insn, gen_expand): Likewise.
14371 * genrecog.c (write_switch, write_subroutine): Likewise.
14373 * mips-tfile.c (catch_signal, botch): Likewise.
14375 * print-rtl.c (print_rtx): Likewise.
14377 * toplev.c (default_print_error_function, report_error_function,
14378 _fatal_insn): Likewise.
14380 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14382 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
14384 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14386 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
14387 operations when needed.
14388 * i386.md (fop_?f_comm): New.
14389 (fop_?f_1): Do not accept commutative operands.
14391 1999-11-25 Andreas Jaeger <aj@suse.de>
14393 * config/mips/mips.md (casesi_internal): Add missing brace.
14395 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
14397 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
14398 (splice_child_die): Handle moving a child DIE from the declaration
14399 DIE of a class to its specification.
14400 (gen_struct_or_union_type_die): Use 'complete' consistently.
14401 (gen_decl_die): Generate the virtual context DIE first.
14402 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
14404 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
14406 * config/mips/mips.md (call_value_multiple_interanal1): New.
14408 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
14410 * dwarf2out.c (free_AT, free_die): New fns.
14411 (remove_children): Call them.
14412 (output_line_info): Disable removal of duplicate notes.
14414 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
14415 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
14416 means pretend the type isn't defined.
14417 Don't defer emitting types.
14418 (gen_type_die_for_member): New fn.
14419 (gen_decl_die): Call it.
14420 (splice_child_die): New fn.
14421 (gen_member_die): Call it rather than generate duplicate dies.
14423 Defer emitting information for the abstract instance of an inline
14424 until we either inline it or emit an out-of-line copy.
14425 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
14426 from output_inline_function if DECL_ABSTRACT is also set.
14427 (block_ultimate_origin): Likewise.
14428 (gen_abstract_function): New fn.
14429 (gen_decl_die, gen_inlined_subroutine_die): Call it.
14430 (gen_subprogram_die): An abstract instance is not a declaration
14431 just because it doesn't match current_function_decl. Don't abort
14432 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
14433 has an abstract origin.
14434 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
14435 abstract instance here.
14437 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
14439 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
14440 where we need to reload fpul from a system register.
14442 1999-11-24 Andreas Jaeger <aj@suse.de>
14444 * config/mips/linux.h (CPP_PREDEFINES): Added.
14445 (LINK_SPEC): Remove -Y since this is only needed on sparc.
14447 1999-11-24 Andreas Jaeger <aj@suse.de>
14449 * config/mips/linux.h (TARGET_VERSION): Added.
14450 (HANDLE_SYSV_PRAGMA): Added.
14451 (DEFAULT_VTABLE_THUNKS): Added.
14453 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14455 * local-alloc.c (qty): New structure and static variable.
14456 (qty_phys_reg): Remove, all references changed to qty.
14457 (qty_n_refs): Likewise.
14458 (qty_min_class): Likewise.
14459 (qty_birth): Likewise.
14460 (qty_death): Likewise.
14461 (qty_size): Likewise.
14462 (qty_mode): Likewise.
14463 (qty_n_calls_crossed): Likewise.
14464 (qty_alternate_class): Likewise.
14465 (qty_changes_size): Likewise.
14466 (qty_first_reg): Likewise.
14467 (alloc_qty): Rename variable QTY to QTYNO.
14468 (finf_free_reg): Likewise.
14469 (local_alloc): Allocate qty, do not allocate the removed variables.
14471 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
14473 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
14474 when -membedded-pic is passed.
14476 * config/mips/mips.md (casesi): Handle 64-bit case too.
14477 (casesi_internal_di): New insn.
14479 * config/mips/mips.c (embedded_pic_offset): Always make the
14480 embedded-pic subtractions relative to the name of the current
14481 function by use of the magic string "..CURRENT_FUNCTION".
14482 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
14484 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
14486 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
14487 of (const_int 0), when what we really care about is
14488 whether it's a zero constant anyway.
14489 (div_trap_mips16): Likewise.
14491 1999-11-23 Mark Mitchell <mark@codesourcery.com>
14493 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14494 unroll_block_trees when generating debuggable code.
14496 * tree.h (unsave_expr_1): New function.
14497 (lang_unsave): New variable.
14498 (get_callee_fndecl): New function.
14499 * tree.c (unsave_expr_now_r): New function.
14500 (lang_unsave): Define.
14501 (unsave_expr_1): Likewise.
14502 (unsave_expr_now_r): Split out from unsave_expr_now.
14503 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14504 call unsave_expr_now_r.
14505 (get_callee_fndecl): Define.
14507 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14508 (gencheck.o): Do depend on lang_tree_files.
14510 * integrate.h (copy_decl_for_inlining): New declaration.
14511 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14512 (copy_decl_for_inlining): New function.
14513 (integrate_parm_decls): Use it.
14514 (integrate_decl_tree): Likewise.
14516 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14518 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14519 the second two from the first.
14520 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14521 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14522 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14524 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14525 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14528 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14530 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14531 needed on the address operand.
14532 * pa.c (call_operand_address): Check for the correct mode.
14534 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14536 * loop.c: Include "basic-block.h".
14537 (try_copy_prop, replace_loop_reg): New functions.
14538 (load_mems): Detect registers that just hold copies of the hoisted
14539 mem, and call try_copy_prop to eliminate them.
14540 * Makefile.in (loop.o): Update dependencies.
14542 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14544 * Makefile.in (gencheck.o): Depend on gencheck.h.
14545 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14546 (insn-peep.o): Depend on except.h and function.h.
14547 (insn-attrtab.o): Depend on RECOG_H.
14548 (insn-output.o): Depend on toplev.h and flags.h.
14549 (gengenrtl.o): Depend on real.h.
14550 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14551 Unify all dependencies to be on RECOG_H rather than recog.h.
14553 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14555 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14556 * configure.in: Try building a bi-arch 32/64-bit compiler on
14557 sparc-*-solaris2.7 and higher.
14558 * configure: Rebuild.
14560 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14562 * config/freebsd.h: New, FreeBSD architecture independent file.
14563 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14564 independent pieces.
14565 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14566 directly by i386/freebsd.h.
14567 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14568 independent configuration file.
14569 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14570 directly by i386/freebsd.h.
14571 * configure: Rebuilt.
14573 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14574 which is in the user's namespace.
14575 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14576 `i386' which is not in our namespace.
14578 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14580 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14582 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14584 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14585 (add_dwarf_attr, add_child_die): Just push onto the front.
14586 (reverse_die_lists): New fn.
14587 (add_sibling_attributes): Use it.
14588 (push_decl_scope): Reorganize.
14589 (add_name_and_src_coords_attributes): Don't set file and line for
14590 an artificial decl.
14591 (gen_subprogram_die): An artificial function doesn't need to match
14593 (gen_compile_unit_die): Return the generated die. Only add
14594 AT_comp_dir if the filename is relative.
14595 (remove_AT): Simplify loop. Also free string values.
14596 (output_die): A DIE ref can't be null.
14597 (output_value_format, value_format): Take a dw_attr_ref.
14598 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14599 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14600 AT_addr, AT_lbl): New fns.
14601 (various): Use them.
14602 (various): Constify.
14604 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14606 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14607 take SUBREG_WORD into account.
14608 (if_then_else_cond): Likewise.
14610 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14612 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14613 clause from BSD license, pursuant with
14615 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14617 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14619 * loop.c (load_mems): Reformat slightly.
14620 * basic-block.h (regset_head): New typedef.
14621 (INIT_REG_SET): New macro.
14623 1999-11-22 Bruce Korb <autogen@linuxbox.com
14625 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14626 (mips-dec-bsd*): non-functional code
14627 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14629 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14630 added three replacement fixes
14631 (no_double_slash): removed comments that are not (any longer) pertinent
14632 (bad_lval): this fix currently runs against many files.
14633 The comment seems to indicate that we should select for files
14634 containing 'pragma extern_prefix'.
14636 * fixinc/fixinc.x86-linux-gnu: deleted
14637 * fixinc/inclhack.sh: regen
14638 * fixinc/fixincl.x: regen
14639 * fixinc/fixincl.sh: regen
14641 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14643 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14644 its code is INSN and it has no notes.
14646 1999-11-22 Andrew Haley <aph@cygnus.com>
14648 * varasm.c (function_defined): Remove.
14649 (make_function_rtl): Don't set function_defined.
14650 (make_decl_rtl): Remove global register warning.
14651 * regclass.c (no_global_reg_vars): New variable.
14652 (globalize_reg): Warn if function has already been defined.
14653 (regclass_init): Set no_global_reg_vars.
14655 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14657 * regclass.c (reg_pref): New structure and static variable
14658 (prefclass): Delete.
14659 (altclass): Delete.
14660 (all uses of prefclass and altclass): Use reg_pref instead.
14662 1999-11-21 Nick Clifton <nickc@cygnus.com>
14664 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14666 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14667 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14668 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14670 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14672 * varasm.c (output_constructor): Solve problem with long long
14673 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14675 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14677 * global.c (allocno): New structure and static variable.
14678 (allocno_reg): Remove, all references replaced by allocno.
14679 (allocno_size): Likewise.
14680 (hard_reg_conflicts): Likewise.
14681 (hard_reg_preferences): Likewise.
14682 (hard_reg_copy_preferences): Likewise.
14683 (hard_reg_full_preferences): Likewise.
14684 (regs_someone_prefers): Likewise.
14685 (allocno_calls_crossed): Likewise.
14686 (allocno_n_refs): Likewise.
14687 (allocno_live_length): Likewise.
14688 (find_reg): Rename ALLOCNO to NUM.
14690 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14691 references updated.
14692 (may_move_out_cost): New variable.
14693 (init_reg_sets_1): Initialize may_move_out_cost.
14694 (record_reg_classes): Use may_move_out_cost.
14696 * regclass.c (dump_regclass): New function.
14697 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14698 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14699 pass rtl_dump_file to regclass.
14700 * rtl.h (regclass): Update prototype.
14702 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14704 * i386.md (neg, not and abs patterns): Revmap to use
14705 ix86_expand_unary_operator and ix86_unary_operator_ok.
14706 (add?f and sub?f expanders): Force operand 1 to register.
14707 * i386.c (ix86_expand_unary_operator): Rewrite.
14708 (ix86_unary_operator_ok): Ensure that memory operands
14710 (ix86_binary_operator_ok): Do not allow operand 1 to
14711 come into memory and operand 0 not.
14712 (ix86_expand_binary_operator): Ensure that
14713 src1 is not non-matching memory.
14715 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14716 to support integer registers and memory.
14717 (abss?2_integer): Likewise.
14719 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14720 (REG_CLASS_NAMES): Likewise.
14721 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14723 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14724 (movsf): Likewise; unify 4th and 5th alternative.
14725 (pushdf): Likewise.
14726 (movdf_1): Likewise; rename to movdf_integer.
14727 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14728 remove redundant splitter.
14729 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14730 (movdf_nointeger): New.
14731 (movxf_nointeger): New.
14732 (pushxf_nointeger): New.
14734 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14735 memory operands in patterns.
14736 (fop*): Refuse two memory operands.
14738 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14739 on !TARGET_USE_CLTD CPUs.
14741 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14743 * extend.texi: Document C++ restricted pointers and references.
14745 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14747 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14748 (invalidate_skipped_set): Call it unconditionally.
14749 (cse_set_around_loop): Likewise.
14751 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14753 * rtl.texi (mem): Add documentation for alias-set argument
14756 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14758 * i386.h (struct_processor_costs): New fields int_load, int_store,
14759 fp_move, fp_load and fp_store
14760 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14762 (MEMORY_MOVE_COST): New macro.
14763 * i386.c (386_cost): Define new fields.
14764 (i486_cost): Likewise.
14765 (pentium_cost): Likewise.
14766 (pentiumpro_cost): Likewise.
14767 (k6_cost): Likewise.
14769 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14770 Geoffrey Keating <geoffk@cygnus.com>
14772 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14774 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14777 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14778 (TARGET_STRICT_ALIGNMENT): New macro.
14779 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14780 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14781 * invoke.texi (M680x0 Options): Document -mstrict-align.
14783 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14784 Richard Henderson <rth@cygnus.com>
14786 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14787 (ix86_split_long_move): Declare.
14788 * i386.c (split_xf, ix86_split_movdi): Remove.
14789 (ix86_split_to_parts, ix86_split_long_move): New.
14790 * i386.md (dimode move splitters): Use ix86_split_long_move.
14791 (dfmode move splitters): Likewise.
14792 (xfmode move splitters): Likewise.
14793 (movsf_1): Allow F->r.
14794 (movdf_1, movxf_1): Allow F->ro.
14796 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14798 * except.h (struct eh_entry): Add goto_entry_p.
14799 (eh_region_from_symbol): Remove prototype.
14800 * except.c (find_func_region_from_symbol): New function.
14801 (emit_cleanup_handler): Likewise.
14802 (eh_region_from_symbol): Make it static.
14803 (add_new_handler): Verify the argument.
14804 (find_func_region): Update comment.
14805 (expand_eh_region_end): Expand handlers here, rater than waiting
14806 until expand_leftover_cleanups or start_all_catch.
14807 (expand_leftover_cleanups): Don't expand here.
14808 (expand_start_all_catch): Or here.
14809 (expand_rethrow): Check the return value from find_func_region.
14810 * function.c (expand_function_end): Emit the catch_clauses.
14812 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14814 * integrate.c (expand_inline_function): Add necessary check for NULL.
14816 1999-11-18 Nick Clifton <nickc@cygnus.com>
14818 * toplev.c (main): Correctly detect an unrecognised option.
14820 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14821 a -f option if it has not been recognised.
14823 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14825 * basic-block.h (update_life_extent): Remove trailing comma on
14826 enumeration type list.
14828 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14830 * varasm.c (output_constructor) Solved problem with long long
14831 bitfields. Corrected calculating this_time and shift. Also
14832 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14834 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14836 * flow.c (split_edge): Take looping structure into account when
14837 determining where to put the new block note.
14839 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14841 * Makefile.in (ggc-none.o): Provide host specific version if
14844 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14846 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14847 containing subregs too.
14849 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14851 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14852 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14853 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14854 (text_section): Add switches -munint-const-in-rodata and
14855 -mno-uninit-const-in-rodata.
14856 (ASM_OUTPUT_COMMON): Remove.
14857 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14858 const objects should be placed in read-only data. Otherwise declare
14861 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14863 * jump.c (jump_optimize_1): Revert last change.
14865 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14867 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14868 test if optimizing for size.
14870 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14872 * Makefile.in (toplev.o): Depend on except.h.
14873 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14875 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14877 * i386.md (divmodsi4): Rewrite to expander.
14878 (*divmodsi4_nocltd): New.
14879 (*divmodsi4_cltd): New.
14880 (divmodsi4 splitter): Handle the case when input comes in edx.
14881 (udivmodhi4): Do not use constraints in exander.
14882 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14884 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14886 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14887 for the common case.
14889 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14891 * explow.c (hard_function_value): Add outgoing argument.
14892 * expr.h (hard_function_value): Declare it.
14893 * calls.c (expand_call, emit_library_call_value): Update callers.
14894 * function.c (aggregate_value_p): Ditto.
14895 (diddle_return_value): Must look at the outgoing registers
14896 on archs with register windows.
14898 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14900 * alpha.c (alpha_build_va_list): Use make_lang_type and
14901 initialize TYPE_NAME for the va_list record.
14903 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14905 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14907 * ggc.h (struct ggc_statistics): Rearrange elements for better
14908 packing on 64-bit hosts.
14909 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14910 (compute_nearerout): Likewise.
14912 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14914 * config/rs6000/rs6000.c (first_reg_to_save): Save
14915 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14917 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14919 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14920 notion of nesting to find the DIE for a type or function.
14921 DIEs can go in limbo even if we got a context_die.
14922 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14923 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14925 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14926 (gen_type_die): Writing out the context doesn't cause member class
14927 template instantiations to be written out as well.
14929 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14931 * rs6000.h (ASM_OUTPUT_DEF): New.
14932 Based on proposed addition from David Edelsohn.
14934 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14935 Bruce Korb <autogen@linuxbox.com>
14937 * fixinc/inclhack.def
14938 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14939 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14941 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14942 (svr4_endian): enabled with SVR5
14943 (svr4_mkdev): simplified syntax and enabled with SVR5
14945 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14947 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14948 * configure: Rebuilt.
14949 * config/t-freebsd-thread: New file.
14951 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14953 * i386.c (ix86_decompose_address): Verify the base is a REG
14954 before trying to examine its register number.
14956 * basic-block.h: Remove all #defines and prototypes related to
14958 (free_bb_mem, compute_preds_succs): Remove prototype.
14959 * rtl.h (free_bb_mem): Remove prototype.
14960 * flow.c (alloc_int_list_node); Remove function.
14961 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14962 (compute_preds_succs, free_bb_mem): Likewise.
14963 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14964 * toplev.c (rest_of_compilation): Likewise.
14965 * haifa-sched.c (build_control_flow): Use flow generated edge
14966 list to build the haifa specific edge list.
14967 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14968 (schedule_insns): Do not build pred/succ lists anymore. Instead
14969 build the edge table.
14971 * basic-block.h (dump_bb_data): Remove declaration.
14972 * flow.c (dump_bb_data): Remove function.
14973 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14974 (sbitmap_union_of_predsucc): Likewise.
14976 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14977 argument. All callers changed.
14978 (delete_null_pointer_checks_1): No longer need to compute the
14981 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14982 All callers changed.
14983 (pre_expr_reaches_here_p_work): Likewise.
14984 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14985 * lcm.c (compute_laterin): Fix initialization of LATER.
14986 (compute_nearerout): Similarly for NEARER.
14988 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14990 * cse.c (set_nonvarying_address_components): Delete unused function.
14991 (refers_to_p): Likewise.
14993 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14995 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14998 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15000 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
15001 definition in do while (0).
15003 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
15005 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
15007 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
15009 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
15011 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
15013 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
15014 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
15015 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
15016 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
15018 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
15019 saved on the stack. Output more accurate stack frame statistics
15020 into assembler file.
15022 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
15024 * genextract.c (record_insn_name): New function.
15025 (get_insn_name): No longer a stub.
15026 (main): Call record_insn_name for each insn. After each label
15027 written, print the insn name in a comment.
15029 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15031 * output.h (const_section, init_section, fini_section): Add
15034 * alpha/elf.h (const_section): Delete declaration.
15036 * svr4.h (const_section): Likewise.
15038 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
15040 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
15041 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
15042 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
15044 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
15045 variable-sized array bounds.
15047 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
15049 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
15052 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15054 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
15055 addresses the same way GO_IF_LEGITIMATE_INDEX does.
15057 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15059 * cse.c (hash_arg_in_struct): Delete.
15060 (struct table_elt): Delete elt in_struct.
15061 (struct set): Delete elt src_in_struct.
15062 (merge_equiv_classes): Don't set either hash_arg_in_struct or
15063 the corresponding in_struct elts.
15064 (canon_hash): Likewise.
15065 (safe_hash): Likewise.
15066 (find_best_addr): Likewise.
15067 (record_jump_cond): Likewise.
15068 (cse_insn): Likewise.
15070 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
15072 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
15074 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
15077 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
15079 * function.c (diddle_return_value): Put back check that the DECL_RTL
15080 for the function is a register.
15082 * function.c (diddle_return_value): Use hard_function_value to
15083 get an rtx suitable for use in the USE/CLOBBER insn.
15085 * global.c (global_conflicts): Update comments.
15086 (record_conflicts): No need to record conflicts between pseudos here.
15088 1999-11-11 Bruce Korb <autogen@linuxbox.com>
15090 * fixinc/fixincl.c: Added verbose levels for status messages
15092 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15094 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
15095 operand as argument to expand_and or expand_binop.
15097 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
15099 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
15100 gcc_add_string_root.
15102 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
15104 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
15106 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
15108 * flow.c (compute_flow_dominators): Initially put all blocks on
15110 * lcm.c (compute_antinout_edge, compute_available): Similarly.
15111 * gcse.c (compute_cprop_avinout): Remove.
15112 (compute_cprop_data): Use compute_available.
15113 (delete_null_pointer_checks_1): Use compute_available.
15115 * basic-block.h (compute_available): Returns a void now.
15116 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
15117 to return a value anymore.
15118 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
15119 worklists. Fix boundary cases. Compute maximal solutions.
15120 (compute_laterin, compute_nearerout): Similarly.
15122 * dwarf2out.c (add_AT_location_description): Allow
15123 (mem (plus (pseudo) (...)) too.
15125 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
15127 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
15129 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
15130 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15132 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
15134 * gansidecl.h: Likewise.
15140 * toplev.h: Likewise.
15142 * tree.c: Likewise.
15144 * tree.h: Likewise.
15146 * varray.c: Likewise.
15148 * varray.h: Likewise.
15150 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
15152 * gcov.c (struct arcdata): Add hits and total, remove prob.
15153 (output_branch_counts): New.
15154 (process_args): Set output_branch_counts if -c.
15155 (calculate_branch_probs): Store hits and total instead of
15157 (output_data): Emit counts if output_branch_counts is true.
15158 * gcov.texi (Invoking Gcov): Document -c switch..
15160 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
15162 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
15163 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
15165 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
15167 * invoke.texi (C Dialect Options): Add missing builtins from
15168 c-common.c to list.
15169 * extend.texi (Other Builtins): Copy to this list.
15171 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15173 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
15174 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
15175 redundant bitmap.h.
15177 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
15179 * flow.c (compute_flow_dominators): No longer treat basic block 0
15180 or (n_basic_blocks - 1) specially. Clear the AUX field before
15181 starting computation of doms/pdoms. Fix initial state for pdoms.
15183 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15185 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
15186 match rtl.o's: added ggc.h and toplev.h
15187 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
15188 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
15189 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
15191 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
15193 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
15194 from HAVE_DOS_BASED_FILESYSTEM.
15195 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
15196 HAVE_DOS_BASED_FILESYSTEM.
15198 (split_directories): Only special-case DOS file names if
15199 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
15200 instead of explicit tests. Conditionalize on !VMS.
15201 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
15202 tests. Conditionalize on !VMS.
15203 (process_command): Only use make_relative_prefix if !VMS.
15204 (free_split_directories): Conditionalize on !VMS.
15205 (DIR_UP): Conditionalize on !VMS.
15207 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
15209 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
15211 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
15213 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
15216 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
15218 * invoke.texi (Environment Variables): Document relative path
15220 * gcc.c (DIR_UP): If not defined, define as "..".
15221 (standard_bindir_prefix): New static, holds target location to
15223 (split_directories): New function to split a filename into
15224 component directories.
15225 (free_split_directories): New function, release memory allocated
15226 by split_directories.
15227 (make_relative_prefix): New function, make a relative pathname if
15228 the compiler is not in the expected location.
15229 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
15230 can figure out an appropriate prefix from argv[0].
15231 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
15232 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
15233 STANDARD_BINDIR_PREFIX.
15235 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15237 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
15239 * config/c4x/c4x.h: Moved prototypes to c4x.h.
15240 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
15241 c4x_secondary_memory_needed) Delete.
15242 (fp_zero_operand): Add mode argument.
15244 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
15246 * reload1.c (reload_reg_free_for_value_p): Don't use a register
15247 that is in reload_reg_used.
15249 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
15251 * config/arm/arm-protos.h: New file: Prototypes for functions
15252 defined in arm.c and pe.c.
15253 * config/arm/arm.h: Fix compile time warnings.
15254 * config/arm/arm.c: Fix compile time warnings.
15255 * config/arm/pe.h: Fix compile time warnings.
15256 * config/arm/aout.h: Fix compile time warnings.
15258 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
15260 * config/m32r/m32r-protos.h: New file: Prototypes for functions
15263 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
15264 Add support for subtargets.
15265 Add prototypes for new predicates.
15266 Add scheduling macros.
15268 * config/m32r/m32r.c: Fix compile time warnings.
15269 (int8_operand): New predicate function.
15270 (reg_or_cmp_int16_operand): New predicate function.
15271 (extend_operand): New predicate function.
15272 (m32r_adjust_code): New scheduling function.
15273 (m32r_adjust_priorty): New scheduling function.
15274 (m32r_sched_init): New scheduling function.
15275 (m32r_sched_reorder): New scheduling function.
15276 (m32r_sched_variable_issue): New scheduling function.
15277 (direct_return): New codegen function.
15278 (m32r_not_same_reg): New rtl testsing function.
15280 * config/m32r/m32r.md: Fix compile time warnings.
15281 Add support for pre decrement and post increment memory
15283 Add S<cc> patterns.
15286 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15288 * global.c (EXECUTE_IF_CONFLICT): Don't define.
15289 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
15290 (find_reg): Likewise.
15292 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
15294 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
15295 to avoid assembler errors.
15297 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
15299 * config/v850/v850-protos.h: New file: Prototypes for functions
15301 * config/v850/v850.h: Move prototypes to v850-protos.h
15302 * config/v850/v850.c: Move prototypes to v850-protos.h
15303 * config/v850/v850.md: Fix compile time warnings.
15305 * config/fr30/fr30-protos.h: New file: Prototypes for functions
15307 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
15308 * config/fr30/fr30.c: Fix compile time warnings.
15309 * config/fr30/fr30.md: Fix compile time warnings.
15311 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
15313 * tree.h (get_containing_scope): Declare it.
15314 * tree.c (get_containing_scope): New fucntion.
15315 (decl_function_context): Use it.
15316 * toplev.c (rest_of_compilation): Use get_containing_scope.
15318 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15320 * Makefile.in (rtl.o): Depend on toplev.h.
15322 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
15324 * cse.c (delete_trivially_dead_insns): Replace alloca with
15326 * except.c (update_rethrow_references): Likewise.
15327 (init_eh_nesting_info): Likewise.
15328 * function.c (identify_blocks): Likewise.
15329 * gcse.c (dump_hash_table): Likewise.
15330 * graph.c (print_rtl_graph_with_bb): Likewise.
15331 * loop.c (combine_movables): Likewise.
15332 (move_movables): Likewise.
15333 (count_loop_regs_set): Likewise.
15334 (strength_reduce): Likewise.
15335 * profile.c (compute_branch_probabilities): New function, split
15337 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
15338 * regclass.c (regclass): Likewise.
15339 * regmove.c (regmove_optimize): Likewise.
15340 * toplev.c (compile_file): Likewise.
15341 (main): Don't mess with the stack rlimit.
15343 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
15345 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
15346 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
15348 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
15350 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
15352 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
15354 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
15355 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
15358 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
15360 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
15362 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
15364 * gcse.c (post_dominators): Kill.
15365 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
15366 (compute_code_hoist_data): Use compute_flow_dominators. Do not
15367 pass in a pdom array since we do not need pdoms.
15368 * haifa-sched.c (schedule_insns): Similarly.
15369 * flow.c (compute_dominators): Remove dead function.
15370 (compute_flow_dominators): Do not compute doms or pdoms if the
15371 caller does not request them. Split up loop to build doms and
15372 pdoms. Use a worklist to compute doms and pdoms.
15373 * basic-block.h (compute_dominators): Remove prototype.
15375 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
15377 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
15378 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
15379 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
15380 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
15381 (cant_move, fed_by_spec_load, is_load_insn): Remove.
15382 (schedule_region): Remove unused variable.
15383 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
15385 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
15387 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
15388 (update_equiv_regs): Likewise.
15389 (block_alloc): Likewise.
15390 * reg-stack.c (reg_to_stack): Likewise.
15391 (convert_regs_2): Likewise.
15392 * reload1.c (reload_as_needed): Likewise.
15394 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
15396 * Makefile.in (dbxout.o): Depend on ggc.h.
15397 (dwarf2out.o): Likewise.
15398 (xcoffout.o): Likewise.
15399 * dbxout.c: Include ggc.h.
15400 (dbxout_init): Register lastfile as a root.
15401 * dwarf2out.c: Include ggc.h.
15402 (dwarf2out_line): Register lastfile as a root.
15403 * xcoffout.c: Include ggc.h.
15404 (xcoffout_source_line): Register xcoff_lastfile as a root.
15406 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
15408 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
15410 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
15412 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
15414 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
15416 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15418 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
15419 (EXECUTE_IF_CONFLICT): Likewise.
15420 (ALLOCNO_LIVE_P): Avoid signed division.
15421 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
15422 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
15423 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
15425 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
15427 * haifa-sched.c (schedule_block): Don't crash if there's no
15428 next insn for an interblock movement.
15429 (add_branch_dependences): Don't allow clobber insns to move either.
15431 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
15433 * i386.c (split_xf): New.
15434 * i386-protos.h: Declare it.
15435 * i386.md (movxf_1): Add general regs alternatives.
15436 (movxf_1+1): New splitter for same.
15438 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
15440 * function.c (purge_addressof_1): Add missing return values.
15442 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
15444 * function.c (is_addressof): New function. Returns true if
15445 the given piece of RTL is an ADDRESSOF.
15446 (purge_addressof_1): Make boolean. Return false if the
15447 ADDRESSOFs could not be purged.
15448 (purge_addressof): If ADDRESSOFs could not be purged from the
15449 notes attached to an insn, remove the offending note(s),
15450 unless they are attached to a libcall.
15452 1999-11-05 Andreas Jaeger <aj@suse.de>
15454 * genoutput.c (null_operand =): Initialize all fields.
15456 * errors.h: Add extern to prototypes.
15458 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
15460 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
15461 * configure: Rebuilt.
15463 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15465 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
15466 (mirror_conflicts): New function.
15467 (global_alloc): Call it.
15468 (expand_preferences): Remove redundant CONFLICTP test.
15469 (find_reg, dump_conflicts): Likewise.
15470 (prune_preferences): Process conflicts one word at a time.
15472 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
15474 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
15475 instead of an explicit loop.
15477 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
15479 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
15480 if REG_RETVAL check succeeds, then put classp in src_elt.
15482 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
15484 * function.c (pad_to_arg_alignment): Only update argument_pad
15485 if the argument's alignment is greater than STACK_BOUNDARY.
15487 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
15489 * bitmap.h (BITMAP_XFREE): New.
15490 * flow.c (life_analysis): Use it.
15491 (life_analysis_1): Free blocks.
15493 * combine.c (undo_commit): New.
15494 (try_combine): Use it. Don't zap undobuf.undos.
15495 (combine_instructions): Don't zap undobuf.undos; free the
15496 undobuf.frees list.
15498 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15500 * stmt.c (cost_table_): New.
15501 (estimate_case_costs): Use it instead of xmalloc.
15503 * toplev.c (compile_file): Reuse dumpname memory instead
15506 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15508 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15509 after verifying an EH edge.
15511 * haifa-sched.c (init_rgn_data_dependences): Correctly
15512 size bb_pending_lists_length when zeroing.
15514 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15516 * function.c (diddle_return_value): New.
15517 (expand_function_end): Use it.
15518 * stmt.c (expand_null_return): Likewise.
15519 (expand_value_return): Likewise.
15521 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15523 * reload1.c (reload): Don't remove return value clobbers.
15525 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15527 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15529 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15531 * cse.c (cse_main): Use xmalloc, not alloca.
15532 (cse_basic_block): Likewise.
15533 * local-alloc.c (local_alloc): Likewise.
15535 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15536 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15538 * rtl.c: Include toplev.h.
15539 (fatal): Remove declaration.
15541 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15543 * haifa-sched.c (schedule_block): Fix thinko.
15545 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15547 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15548 S_IR* defined values
15550 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15552 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15553 call `malloc' instead.
15555 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15557 * flags.h (flag_renumber_insns): Declare.
15558 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15560 * rtl.h (renumber_insns): Change prototype.
15561 * toplev.c (flag_renumber_insns): Define.
15562 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15564 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15566 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15567 and fpsqrtd. Use them and create fdiv function unit to more
15568 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15569 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15571 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15573 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15575 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15576 insn into ready list, do not use just a raw swap.
15578 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15580 * rtl.h (renumber_insns): New function.
15581 (remove_unnecessary_notes): Likewise.
15582 * emit-rtl.c (renumber_insns): Define.
15583 (remove_unncessary_notes): Likewise.
15584 * toplev.c (rest_of_compilation): Remove dead code.
15585 Use renumber_insns and remove_unncessary_notes.
15587 * gcse.c (struct null_pointer_info): New type.
15588 (get_bitmap_width): New function.
15589 (current_block): Remove.
15590 (nonnull_local): Likewise.
15591 (nonnull_killed): Likewise.
15592 (invalidate_nonnull_info): Take a null_pointer_info as input.
15593 (delete_null_pointer_checks_1): New function.
15594 (delete_null_pointer_checks): Use it.
15596 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15597 (split_edges): Likewise.
15598 (schedule_block): Likewise.
15599 (compute_block_backward_dependencies): Likewise.
15600 (schedule_region): Likewise.
15601 (schedule_insns): Likewise.
15603 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15605 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15606 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15607 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15608 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15609 * jump.c (delete_unreferenced_labels): Don't delete if
15610 LABEL_ALTERNATE_NAME is set.
15611 * print-rtl.c (print_rtx): Dump alternate name.
15612 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15613 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15614 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15615 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15617 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15619 * fix-header.c (recognized_extern, recognized_function): Constify
15622 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15623 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15624 (compute_available): Remove unused variable `last'.
15625 (compute_nearerout): Remove unused variable `temp_bitmap'.
15626 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15627 Remove unused variable `x'.
15629 * scan.h (recognized_function, recognized_extern): Constify a
15632 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15634 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15636 * varasm.c (decode_rtx_const): Use XSTR to access the string
15639 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15641 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15643 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15645 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15647 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15649 * pa.c (ireg_operand): New function.
15650 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15651 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15652 Fix out of date comment.
15654 * pa.md (negdi2): Turn into expander + anonymous pattern.
15656 * reload.c (find_reloads): Fix typos in recent change.
15658 * dwarf2out.c: Do not include ctype.h.
15660 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15662 * regclass.c (record_reg_classes): Always use may_move_cost when
15663 seeing how operand fits with various register classes.
15665 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15667 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15668 * toplev.c: Revert Nov 1 13:22 change.
15670 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15672 * config/pa/pa.md (height reduction patterns): Add checks for
15673 overlapping operands to avoid semantic-destroying splits for
15674 height reduction patterns.
15676 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15678 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15679 have been an hyphen, fixed.
15680 * configure: Rebuilt.
15682 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15684 * config/arm/tpe.h: Add prototypes for exported functions.
15685 * config/arm/pe.c: Fix compile time warnings.
15686 * config/arm/semi.h: Fix compile time warnings.
15687 * config/arm/arm.c: Fix compile time warnings.
15688 * config/arm/arm.h: Fix compile time warnings.
15689 * config/arm/arm.md: Fix compile time warnings.
15690 * config/arm/thumb.c: Fix compile time warnings.
15691 * config/arm/thumb.h: Fix compile time warnings.
15692 * config/arm/thumb.md: Fix compile time warnings.
15694 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15696 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15699 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15700 completely unrolled.
15702 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15704 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15706 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15708 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15709 * rtl.h (rtx_equal_p): Move prototype.
15710 * rtl.c (rtx_equal_function_value_matters): Move from
15712 (rtx_equal_p): Likewise.
15713 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15714 (rtx_equal_p): Likewise.
15716 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15718 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15719 ! HAS_INIT_SECTION.
15721 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15723 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15725 * pa.h (ADDR_VEC_ALIGN): Define.
15727 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15728 notes when presented with "if (foo) break; end_of_loop" and
15729 the break sequence gets moved out of the loop.
15731 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15732 Remove explicit zero initializations of entries within MAP.
15734 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15736 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15738 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15740 * bitmap.h (BITMAP_XMALLOC): New macro.
15741 * flow.c (CLEAN_ALLOCA): Remove.
15742 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15743 (life_analysis): Likewise.
15744 (update_life_info): Don't use CLEAN_ALLOCA.
15745 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15746 (calculate_global_regs_live): Likewise.
15747 (print_rtl_with_bb): Likewise.
15748 (verify_flow_info): Likewise.
15749 * global.c (global_alloc): Likewise.
15750 (global_conflicts): Likewise.
15751 * integrate.c (save_for_inline_nocopy): Likewise.
15752 (expand_inline_function): Likewise.
15753 * jump.c (jump_optimize_1): Likewise.
15754 (duplicate_loop_exit_test): Likewise.
15755 (thread_jumps): Likewise.
15756 * loop.c (loop_optimize): Likewise.
15757 (combine_givs): Likewise.
15758 (recombine_givs): Likewise.
15759 * reorg.c (dbr_schedule): Likewise.
15760 * unroll.c (unroll_loop): Likewise.
15762 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15764 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15766 * toplev.c (rest_of_compilation): Don't optimize the CFG
15767 when rebuilding, just before dbr.
15769 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15771 * output.h (assemble_end_function, assemble_destructor,
15772 assemble_constructor, assemble_gc_entry, assemble_global,
15773 assemble_label, output_constant_pool) Constify a char*.
15775 * varasm.c (assemble_destructor, assemble_constructor,
15776 assemble_gc_entry, assemble_end_function, assemble_global,
15777 assemble_label, output_constant_pool): Likewise.
15779 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15781 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15782 explaining what is goin on in this function.
15784 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15786 * regclass.c (record_reg_classes): In matching case, recompute
15787 costs since the direction of movement is different.
15789 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15791 * resource.c (mark_target_live_regs): For unconditional branches,
15792 the resources found at the branch target should be added to the
15793 resources found so far, not intersected.
15795 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15797 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15799 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15800 (sys/mman.h): Include this file only if #HAVE_MMAP.
15801 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15802 with automatically concatenated ANSI strings.
15804 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15806 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15807 (DIV_ROUND_UP): Robustify.
15808 (ggc_recalculate_in_use_p): New function.
15809 (release_pages): Don't inline it.
15810 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15812 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15813 (clear_marks): Always save in_use_p.
15814 (sweep_pages): Use ggc_recalculate_in_use_p.
15815 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15816 Release pages before counting statistics.
15818 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15820 * toplev.c (rest_of_compilation): Fix thinko in this change:
15822 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15824 (rest_of_compilation): If inside an inlined external function,
15825 pretend we are just being declared.
15827 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15829 * flow.c (calculate_global_regs_live): Fix thinko.
15831 * integrate.c (expand_inline_function): Fix bugs in previous
15832 change from Oct 28, 1999.
15834 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15836 * stmt.c (expand_value_return): Fix typo in this change:
15838 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15839 (expand_value_return): Correctly convert VAL when promoting function
15840 return; support RETURN_REG being a PARALLEL.
15842 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15844 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15846 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15848 * hard-reg-set.h (reg_names): Constify a char*.
15850 * regclass.c (reg_names): Likewise.
15852 * regs.h (reg_names): Likewise
15854 * a29k/a29k.c (reg_names): Delete declaration.
15856 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15858 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15859 arc_output_function_epilogue): Likewise.
15861 * elxsi/elxsi.c (reg_names): Likewise.
15863 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15865 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15868 * m88k/m88k.c (output_function_profiler): Likewise.
15870 * sparc/sparc.c (sparc_flat_output_function_prologue,
15871 sparc_flat_output_function_epilogue): Likewise.
15873 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15875 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15876 warning from -Wuninitialized and put it under -W.
15877 * function.c (uninitialized_vars_warning): Warn only when the
15878 corresponding flag is set.
15880 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15882 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15883 is nonzero and the single set does not have an elt, then assign
15886 * simplify-rtx.c: New file.
15887 * Makefile.in (OBJS): Add simplify-rtx.o
15888 (simplify-rtx.o): Add dependencies.
15889 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15890 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15891 (cse_gen_binary, simplify_unary_operation): Delete.
15892 (simplify_binary_operation, simplify_plus_minus): Likewise.
15893 (check_fold_consts, simplify_relation_operation): Likewise.
15894 (simplify_ternary_operation): Likewise.
15895 (delete_trivially_dead_insns): Simplify the contents of the
15896 REG_EQUAL note before trying to substitute it into the source
15897 of the reg-reg copy at the end of a libcall sequence.
15899 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15900 references/callers changed.
15902 * mn10200.c (mn10200_va_arg): Force the return value into a
15905 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15907 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15910 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15912 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15914 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15916 * fold-const.c (fold): Fix thinko when optimizing comparisons
15919 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15921 * gcc.texi (Passes): Update front-end files to their current
15924 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15926 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15927 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15928 (PREDICATE_CODES): Add addition_operation.
15929 * alpha-protos.h (addition_operation): Declare.
15930 (secondary_reload_class): Likewise.
15931 * alpha.c (addition_operation): New.
15932 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15933 * alpha.md (adddi3): Turn into expander.
15934 (*lda, *adddi_2): New.
15935 (movsf, movdf patterns): Don't preference integer regs.
15936 (movsi, movdi patterns): Don't preference fp regs.
15938 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15940 * genrecog.c (write_switch): Check for duplicate CODE cases.
15942 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15944 * ggc-common.c: Update pre-function commentary.
15945 * ggc-page.c: Likewise.
15947 (poison_pages): Use memset directly.
15948 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15949 (ggc_collect): Poison before sweeping.
15950 * ggc-simple.c: Update pre-function commentary.
15951 (ggc_alloc_obj): Poison non-zeroed memory.
15953 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15955 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15956 match format string, even on 64-bit hosts.
15957 * gcc-page.c (ggc_page_print_statistics): Likewise.
15959 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15961 * config/i386/i386.c (ix86_cpu): Revert last patch.
15962 * config/i386/i386.h (ix86_cpu): Ditto.
15964 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15966 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15967 TYPE_SIZE, convert type of result to sizetype.
15969 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15971 * flow.c (count_or_remove_death_notes): Equate NULL with the
15974 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15975 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15978 * i386.c (pic_label_no): Delete.
15979 (ix86_attr_length_default): Don't use single_set to peek
15982 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15983 the first insn after bb->end.
15984 * i386.md (push mem peeps): Scratch is live after evaluation
15986 (cmp mem peep): Similarly.
15988 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15990 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15991 * function.c (pad_to_arg_alignment): Add missing braces.
15993 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15995 * alpha/alpha-protos.h (literal_section): Add prototype.
15996 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15999 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
16001 (alpha_start_function, alpha_end_function, float_strings,
16002 alpha_need_linkage): Constify a char*
16004 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
16006 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
16008 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
16010 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
16012 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16014 * flow.c (debug_flow_info): Add prototype.
16016 * gcc.c (main): Likewise.
16018 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
16021 * reload1.c (failed_reload, set_reload_reg): Likewise.
16023 * mips-tfile.c (main): Likewise.
16024 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
16025 with ATTRIBUTE_NORETURN.
16027 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
16029 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
16030 DECL is not a memory ref.
16032 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
16034 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
16035 * config/i386/i386.c (ix86_cpu): Add extern attribute.
16037 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
16039 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
16040 * config/mips/elf64.h: ditto.
16042 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
16044 * expr.c (emit_push_insn): New argument alignment_pad.
16045 Update all callers. Adjust stack pointer based on alignment pad.
16046 * function.c (pad_to_arg_alignment): New argument alignment_pad.
16047 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
16048 (locate_and_pad_parm): New argument alignment_pad. Update all
16050 * expr.h (emit_push_insn): Update prototype.
16051 (locate_and_pad_parm): Update prototype.
16052 * calls.c (arg_data): Add new field alignment_pad.
16053 (initialize_argument_information): Initialize alignment_pad.
16055 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
16057 * except.c (free_eh_nesting_info): Free the info itself.
16058 * function.c (free_after_compilation): Don't free NULL.
16059 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
16060 (pre_edge_insert): Free inserted.
16061 * stmt.c (free_stmt_status): Don't free NULL.
16063 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
16065 * gcov.c (DIR_SEPARATOR): Provide default.
16066 (output_data): Add test for MS-DOS format absolute filename.
16067 (fancy_abort): Correct program name.
16068 (open_files): Open all files in binary mode.
16069 * libgcc2.c (__bb_exit_func): Likewise.
16071 * profile.c (init_branch_prob): Specify binary when opening files.
16073 * flags.h (flag_unwind_tables): New decl.
16074 * toplev.c (flag_unwind_table): New definition.
16075 (f_options): Add -funwind-tables.
16076 (decode_g_option): Clarify warning when unknown -g option is given.
16077 (rest_of_compilation): If inside an inlined external function,
16078 pretend we are just being declared.
16080 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
16081 (dwarf2out_frame_finish): Likewise.
16083 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
16085 * fold-const.c (merge_ranges): If not in0, but in1, handle
16086 upper bounds equal like subset case.
16088 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
16090 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
16091 passed in a register but moved to the stack.
16093 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
16095 * gcc.c (pass_exit_codes, greatest_status): New variables.
16096 (struct option_map): Add entry for "--pass-exit-codes".
16097 (execute): Update greatest_status if error.
16098 (display_help): Add documentation for -pass-exit-codes.
16099 (process_command): Handle -pass-exit-codes.
16100 (main): Look at pass_exit_codes and greatest_status on call to exit.
16102 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16104 * reload.c (find_reloads): Refine test for no input reload
16105 case to not includes reloads emitted after insn.
16107 * function.c (find_temp_slots_from_address): Handle sum involving
16108 a register that points to a temp slot.
16109 (update_temp_slot_address): Make recursive call if both old and
16110 new are PLUS with a common operand.
16111 * calls.c (expand_call): Mark temp slot for result as having
16114 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
16116 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
16117 component as well as "BINUTILS".
16119 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
16120 * integrate.c (copy_rtx_and_substitute): Likewise.
16121 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
16122 All callers changed.
16123 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
16125 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
16126 gdb extensions, write size of type; also be more consistent
16127 in using references when this is a subtype.
16129 * pa.md (extv, extzv, insv): Use define_expand to reject constant
16130 that is out of range.
16132 * loop.c (unknown_constant_address_altered): New variable.
16133 (prescan_loop): Initialize it.
16134 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
16135 (invariant_p, case MEM): Remove handling for volatile and readonly;
16136 check new variable if readonly.
16137 (check_dbra_loop): Chdeck unknown_constant_address_altered.
16139 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
16140 (addr_affects_sp_p): Removed from note_mem_written and only
16141 define #ifdef AUTO_INC_DEC.
16143 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
16145 * regclass.c (record_reg_classes): Properly handle register move
16148 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
16149 Don't think valid if both operands are invalid.
16150 (struct constant_descriptor): New field RTL.
16151 (mark_const_hash_entry): Mark it.
16152 (record_constant{,_rtx}): Initialize it.
16153 (output_constant_def): Allocate RTL in permanent obstack and
16155 ({record,compare}_constant_1): Modes must match for
16156 CONSTRUCTOR of ARRAY_TYPE.
16158 * c-common.h (initializer_constant_valid_p): Delete decl from here.
16159 * output.h (initializer_constant_valid_p): Move decl to here.
16160 * c-common.c (initializer_constant_valid_p): Delete function from here.
16161 * varasm.c (initializer_constant_valid_p): Move function to here.
16163 * tree.h (STRIP_SIGN_NOPS): New macro.
16164 * fold-const.c (optimize_minmax_comparison): New function.
16165 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
16166 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
16167 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
16168 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
16169 widening conversions.
16170 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
16171 to look at size of mode, not precision of type; also add missing cases.
16172 (optimize_bit_field_compare, decode_field_reference): Don't try to
16173 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
16175 * dwarf2out.c (ctype.h): Include.
16176 (dwarf2out_set_demangle_name_func): New function.
16177 (size_of_line_info): Deleted.
16178 (output_line_info): Compute size of line info table from difference
16180 (base_type_die, add_name_attribute): Call demangle function, if any.
16181 (field_byte_offset): Use bits per word for variable length fields.
16182 (gen_array_type_die): Add array name.
16183 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
16184 (dwarf2out_add_library_unit_info): New function.
16186 * explow.c (set_stack_check_libfunc): New function.
16187 (stack_check_libfunc): New static variable.
16188 (probe_stack_range): Allow front-end to set up a libfunc to call.
16190 * combine.c (simplify_comparison): When making comparison in wider
16191 mode, check for having commuted an AND and a SUBREG.
16192 (contains_muldiv): New function.
16193 (try_combine): Call it when dividing a PARALLEL.
16194 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
16195 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
16197 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
16198 use one of the CLOBBERs instead.
16199 (if_then_else_cond): If comparing against zero, just return thing
16202 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
16203 Don't generate shifts and subtract if have conditional arithmetic.
16205 * rtl.h (delete_barrier): New declaration.
16206 * jump.c (jump_optimize): Set up to handle conditional call.
16207 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
16208 (delete_barrier): New function.
16210 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
16212 * recog.c (nonmemory_operand): Accept ADDRESSOF.
16214 * tree.c (build_type_attribute_variant): Push to obstack of
16215 ttype around type_hash_canon call.
16217 * expr.c (placeholder_list): Move decl to file scope.
16218 (expand_expr): Don't force access to volatile just because its
16220 If ignoring reference operations, just expand the operands.
16221 (expand_expr, case COMPONENT_REF): Propagate
16222 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
16223 Refine test for using bitfield operations vs pointer punning.
16224 (expand_expr, case CONVERT_EXPR): If converting to
16225 BLKmode UNION_TYPE from BLKmode, just return inner object.
16226 Use proper mode in store_field call.
16227 Properly set sizes of object to store and total size in store_field
16228 call for convert to union.
16229 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
16230 memory (like for ADDR_EXPR). Also, don't put constant in register if
16231 we'll want it in memory.
16232 (readonly_fields_p): New function.
16233 (expand_expr, case INDIRECT_REF): Call it if LHS.
16234 (expand_assignment): Handle a RESULT_DECL where
16235 DECL_RTL is a PARALLEL.
16236 (do_jump, case WITH_RECORD_EXPR): New case.
16237 (get_inner_reference): Always go inside a CONVERT_EXPR
16238 and NOP_EXPR if both modes are the same.
16239 (store_field): Use bitfield operations if size of bitsize is not same
16240 as size of RHS's type.
16241 Check for bitpos not a multiple of alignment in BLKmode case.
16242 Do block move in largest possible alignment.
16243 (store_constructor): Set BITSIZE to -1 for variable size and properly
16244 in case of array of BLKmode.
16245 (expand_expr_unaligned): New function.
16246 (do_compare_and_jump): Call it.
16248 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
16249 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
16250 does not include 'o'.
16252 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
16253 both SET_DEST and SET_SRC reference a virtual register.
16254 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
16256 * integrate.c (expand_inline_function): Handle case of setting
16257 virtual stack vars register (from built in setjmp); when parameter
16258 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
16259 (subst_constant): Add new parm, MEMONLY.
16260 (expand_inline_function, integrate_parm_decls): Pass new parm.
16261 (integrate_decl_tree): Likewise.
16262 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
16263 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
16264 (copy_rtx_and_substitute, case SET): Add explicit calls to
16265 copy_rtx_and_substitute for both sides.
16267 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
16269 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
16270 within INDEX_TYPE, instead of before.
16271 (fixup_gotos): Use f->target_rtl, not the next insn,
16272 since latter may be from a later fixup.
16273 (expand_value_return): Correctly convert VAL when promoting function
16274 return; support RETURN_REG being a PARALLEL.
16275 (expand_return): When checking for result in regs and having
16276 cleanup, consider PARALLEL in DECL_RTL as being in regs.
16278 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
16280 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
16281 last_nominal_fname): Mark const.
16282 (struct include_hash: name, nshort, control_macro): Mark
16284 (struct macrodef: symnam): Mark const.
16285 (struct if_stack: fname): Mark const.
16286 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
16287 (IStable): New character-syntax array which encompasses all
16288 the old is_foo arrays.
16289 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
16290 is_space): New macros for interrogating IStable.
16291 (check_macro_name): Kill last argument. All callers changed.
16293 * cppinit.c (initialize_char_syntax): Delete.
16294 (is_idchar, is_idstart, is_hor_space, is_space,
16295 trigraph_table): Delete.
16296 (IStable): New. Initialize with clever macros to avoid
16297 information duplication.
16298 (builtin_array): Table of builtins to get rid of explicit list
16299 in initialize_builtins.
16300 (initialize_builtins): Use builtins_array.
16301 (cpp_start_read): Call init_IStable, and set IStable['$'] if
16302 opts->dollars_in_ident.
16304 * cppexp.c: Change all refs to is_xyz[] arrays to use new
16306 (cpp_parse_expr): Avoid 'format string is not constant'
16307 warning. Use ISGRAPH to identify printable chars.
16308 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
16310 (read_and_prescan): Map trigraphs to chars with open-coded
16311 if-else-if-... sequence, not a lookup table.
16312 * cpphash.c: Change all refs to is_xyz[] arrays to use new
16314 * cpplib.c: Change all refs to is_xyz[] arrays to use new
16315 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
16316 (check_macro_name): Remove ability to report an invalid
16317 assertion name, which is never used.
16318 (do_line): Constify a couple of char *'s.
16319 * cppmain.c (main): Call cpp_cleanup before returning.
16321 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
16323 * ggc.h (struct ggc_statistics): New type.
16324 (ggc_get_size): New function.
16325 (ggc_print_statistics): Likewise.
16326 * ggc-common.c (ggc_stats): New variable.
16327 (ggc_mark_rtx_children): Keep statistics.
16328 (ggc_mark_tree_children): Likewise.
16329 (ggc_print_statistics): New function.
16330 * ggc-page.c (struct globals): Add bytes_mapped field.
16331 (alloc_anon): Update it.
16332 (release_pages): Likewise.
16333 (ggc_get_size): New function.
16334 (ggc_page_print_statistics): New function.
16335 * ggc-simple.c (ggc_get_size): New function.
16337 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
16339 * flow.c (propagate_block): When the last reference to a label
16340 before an ADDR_VEC is deleted because the reference is a dead
16341 store, delete the ADDR_VEC.
16343 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
16345 * resource.c (find_free_register): Don't use the frame pointer
16346 if frame_pointer_needed.
16348 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
16350 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
16351 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
16353 * config/i960/i960.c (i960_va_start): New locals base, num.
16354 Use INDIRECT_REF instead of ARRAY_REF on valist.
16355 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
16357 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
16359 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
16361 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
16363 * tree.def (PLACEHOLDER_EXPR): Update comments.
16365 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16367 * c-common.c (check_format_info): Avoid non-literal format string
16368 warnings when `first_arg_num' is zero.
16370 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16372 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
16374 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
16376 * arm.md (casesi_insn): Add a clobber of the condition code
16379 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
16381 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
16382 used by both cc1 and cc1plus.
16384 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
16386 * config/arm/arm.c: Initialise arm_structure_size_boundary to
16387 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
16388 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
16389 to the value 32 if it has not already been defined.
16390 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
16391 Override definition in arm.h with a value of 8.
16393 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
16395 * c-pragma.c (push_alignment): Don't check the return value
16398 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
16400 * sparc.h (ADJUST_COST): Fix thinko.
16402 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
16404 * cccp.c (rescan): Fixed obp pointer handling around call to
16405 check_expand subroutine.
16407 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
16409 * gcse.c (delete_null_pointer_checks): Only record non-null info
16410 for pseudos when examining stores.
16412 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
16413 splitters for these patterns. Use "#" for output templates.
16414 (addsi3_carryin_shift): New pattern.
16416 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
16418 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
16419 of the function return register into a plain REG until
16420 after function inlining is done.
16422 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16424 * jump.c (jump_optimize_1): If we did cross-jumping, and
16425 the data will matter, rebuild the CFG.
16426 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
16427 not optimizing. Don't run shorten_branches.
16428 * toplev.c (rest_of_compilation): Run shorten_branches after
16431 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
16433 * rtl.h (note_stores): Add additional paramter.
16434 * rtlanal.c (reg_set_p_1): Take additional paramter.
16435 (reg_set_last_1): Likewise.
16436 (reg_set_p): Adjust call to note_stores.
16437 (reg_set_last): Likewise.
16438 (note_stores): Pass data parameter to worker function.
16439 * alias.c (record_set): Take additional parameter.
16440 (init_alias_analysis): Pass it.
16441 * caller-save.c (mark_set_regs): Take additional parameter.
16442 (save_call_clobbered_regs): Pass NULL to note_stores.
16443 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
16445 (record_dead_and_set_regs_1): Likewise.
16446 (reg_dead_at_p_1): Likewise.
16447 (combine_instructions): Adjust calls to note_stores.
16448 (try_combine): Likewise.
16449 (record_dead_insn): Remove.
16450 (record_dead_and_set_regs): Adjust calls to note_stores.
16451 (reg_dead_at_p): Likewise.
16452 * cse.c (invalidate_skipped_set): Take additional parameter.
16453 (cse_check_loop_start): Likewise.
16454 (cse_check_loop_start_value): Remove.
16455 (cse_set_around_loop): Adjust calls to note_stores.
16456 * flow.c (notice_stack_pointer_modification): Take additional
16457 parameter. Remove duplicate declaration.
16458 (record_volatile_insns): Adjust calls to note_stores.
16459 * gcse.c (record_set_info): Take additional parameter.
16460 (record_last_set_info): Likewise.
16461 (invalidate_nonnull_info): Likewise.
16462 (record_set_insn): Remove.
16463 (compute_sets): Adjust calls to note_stores.
16464 (last_set_insn): Remove.
16465 (compute_hash_table): Adjust calls to note_stores.
16466 (insert_insn_end_bb): Likewise.
16467 (delete_null_pointer_checks): Likewise.
16468 * global.c (mark_reg_store): Take additional parameter.
16469 (mark_reg_clobber): Likewise.
16470 (reg_becomes_live): Likewise.
16471 (global_conflicts): Adjust calls to note_stores.
16472 (build_insn_chain): Likewise.
16473 * integrate.c (note_modified_parmregs): Take additional parameter.
16474 (mark_stores): Likewise. Make it static.
16475 (save_for_inline_nocopy): Adjust calls to note_stores.
16476 (try_constants): Likewise.
16477 * integrate.h (mark_stores): Remove declaration.
16478 * jump.c (mark_modified_reg): Take additional parameter.
16479 (thread_jumps): Adjust calls to note_stores.
16480 * local-alloc.c (validate_equiv_mem_from_store): Take additional
16482 (no_equiv): Likewise.
16483 (reg_is_set): Likewise.
16484 (validate_equiv_mem): Adjust calls to note_stores.
16485 (update_equiv_regs): Likewise.
16486 (block_alloc): Likewise.
16487 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
16488 (note_addr_stored): Take additional parameter.
16489 (note_set_pseudo_multiple_uses): Likewise.
16490 (record_initial): Likewise.
16491 (prescan_loop): Adjust calls to note_stores.
16492 (strength_reduce): Likewise.
16493 (check_dbra_loop): Likewise.
16494 * regmove.c (flags_set_1): Take additional paramter.
16495 (mark_flags_life_zones): Adjust calls to note_stores.
16496 * reload1.c (mark_not_eliminable): Take additional parameter.
16497 (forget_old_reloads_1): Likewise.
16498 (reload_cse_invalidate_rtx): Likewise.
16499 (reload_cse_check_clobber): Likewise.
16500 (reload_combine_note_store): Likewise.
16501 (move2add_note_store): Likewise.
16502 (reload): Adjust calls to note_stores.
16503 (reload_as_needed): Likewise.
16504 (emit_reload_insns): Likewise.
16505 (reload_cse_regs_1): Likewise.
16506 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16507 (reload_combine): Adjust calls to note_stores.
16508 * resource.c (update_live_status): Take additional paramter.
16509 (mark_target_live_regs): Adjust calls to note_stores.
16510 * stupid.c (find_clobbered_regs): Take additional parameter.
16511 (stupid_life_analysis): Adjust calls to note_stores.
16513 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16515 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16518 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16521 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16522 of the variable arm_structure_size_boundary.
16524 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16526 * alias.c (init_alias_analysis): Allocate reg_known_value and
16527 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16529 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16530 * cse.c (cse_main): Call end_alias_analysis.
16531 * haifa-sched.c (schedule_insns): Likewise.
16532 * local-alloc. (update_equiv_regs): Likewise.
16533 * reload1.c (reload_cse_regs): Likewise.
16535 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16537 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16538 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16539 mapping from MASK_FPU.
16541 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16543 * sparc.md (call): Don't bound structure return size to 0xfff.
16545 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16547 * resource.c (mark_target_live_regs): Check that the target
16548 insn wasn't created after compute_bb_for_insn.
16550 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16552 * ggc-page.c (poison_pages): Don't be overzealous.
16554 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16556 * alias.c: Update comments for ADDRESS.
16557 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16558 it is a local memory reference.
16560 * c-typeck.c (build_function_call): Check that the built-in
16561 function is of class BUILT_IN_NORMAL before trying to recongize
16562 it as BUILT_IN_ABS.
16563 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16564 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16566 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16568 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16570 (pre_gcse): Likewise.
16571 (hoist_expr_reaches_here_p): Likewise.
16572 (hoist_code): Likewise.
16573 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16575 (pre_expr_reaches_here_p_work): ... here.
16576 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16578 (expr_reaches_here_p_work): ... here.
16580 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16582 * resource.c (find_basic_block): Delete.
16583 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16584 (init_resource_info): Call compute_bb_for_insn.
16586 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16588 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16589 with already adjacent blocks, but no fallthru.
16590 (merge_blocks_move_successor_nojumps): Simplify.
16591 (debug_flow_info): New.
16593 * toplev.c (rest_of_compilation): Open jump1 dump file before
16594 jump and close after, as opposed to just using dump_rtl.
16596 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16598 * reload.h (earlyclobber_operand_p): Declare.
16599 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16600 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16601 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16602 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16604 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16605 Richard Henderson <rth@cygnus.com>
16607 * emit-rtl.c (emit_block_insn_before): New.
16608 (emit_block_insn_after): New.
16609 * basic-block.h: Declare them.
16611 * bitmap.h: Protect from multiple inclusion.
16613 * recog.c (scratch_operand): Handle VOIDmode correctly.
16615 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16617 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16618 * function.c (assign_parms): Likewise.
16619 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16621 * reg-stack.c (max_uid): Remove.
16622 (blocks, block_begin, block_end, block_drops_in): Remove.
16623 (block_stack_in, block_out_reg_set, block_number): Remove.
16624 (struct block_info_def, BLOCK_INFO): New.
16625 (enum emit_where): New.
16626 (current_block): New.
16627 (BLOCK_NUM): Remove.
16628 (mark_regs_pat, record_label_references): Remove.
16629 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16631 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16632 (reg_to_stack): Simplified test for existance of fp code. Use
16633 flow.c code. Call shorten_branches after cross-jump opt.
16634 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16635 Return false if the asm doesn't use stack regs. Don't do life
16636 analysis on the asm.
16637 (emit_pop_insn): Replace function pointer arg `when' with
16638 enum `where'. Update all callers.
16639 (change_stack): Likewise. Update basic block end.
16640 (emit_swap_insn): Use current_block->head to limit reverse search
16641 for start of block. Use emit_block_insn_after.
16642 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16643 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16644 structure assignment instead of bcopy.
16645 (print_stack): New.
16646 (convert_regs_entry, convert_regs_exit): New.
16647 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16648 Work on basic blocks and the CFG.
16649 (convert_regs): Use them.
16651 * i386.c (output_fix_trunc): Remove code for DImode input operand
16652 not at top-of-stack.
16653 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16655 (fix_truncdi_1): Allow any mode scratch.
16657 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16659 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16660 * linux.h, netbsd.h, vms.h: Not here.
16662 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16664 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16665 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16666 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16667 CONDITIONAL_REGISTER_USEAGE): Use them.
16668 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16669 gen_conditional_branch,override_options) : Use them.
16670 * config/mips/mips.md : Use them.
16672 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16674 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16676 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16678 * integrate.c (function_cannot_inline_p): Don't allow inlining
16681 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16683 * c-parse.in (cast_expr): Constify.
16685 * cccp.c (special_symbol): Likewise.
16687 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16689 * dwarf2out.c (base_type_die): Likewise.
16691 * global.c (allocno_compare): Likewise.
16693 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16695 * regclass.c (fix_register): Likewise.
16697 * rtl.h (fix_register): Likewise.
16699 * stupid.c (stupid_reg_compare): Likewise.
16701 * toplev.c (decode_f_option): Likewise.
16703 * tree.c (build_complex_type): Likewise.
16705 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16707 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16709 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16711 * reload.c (find_reloads): Compute mode and nregs fields of all
16713 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16714 (calculate_needs): Use precomputed mode/nregs values.
16715 (allocate_reload_reg): Likewise.
16717 (failed_reload, set_reload_reg): ... new functions.
16718 (choose_reload_regs_init): New function, mostly broken out from...
16719 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16720 Also lose one #if 0 block.
16722 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16724 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16727 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16729 * tree.h (BLOCK_TYPE_TAGS): Remove.
16730 (BLOCK_END_NOTE): Likewise.
16731 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16732 (BLOCK_LIVE_RANGE_START): Likewise.
16733 (BLOCK_LIVE_RANGE_END): Likewise.
16734 (tree_block): Remove live_range_flag, live_range_var_flag, and
16735 type_tags. Remove end_note, live_range_start, and live_range_end.
16736 (remember_end_note): Remove prototype.
16737 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16738 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16740 * ggc-common.c (ggc_mark_tree_children): Don't mark
16741 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16742 * integrate.c (adjust_copied_decl_tree): Remove.
16743 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16744 * stmt.c (last_block_end_note): Remove.
16745 (init_stmt): Don't add a GC root for it.
16746 (expand_fixup): Don't set it.
16747 (remember_end_note): Remove.
16748 (expand_end_bindings): Don't set last_block_end_note.
16750 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16752 * reload1.c (reload_reg_free_for_value_p): Show
16753 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16756 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16758 * expmed.c (extract_bit_field): Allow for the case of non-integer
16759 objects that are smaller than a word (like SFmode on a 64-bit
16762 * loop.c (basic_induction_var): A non-integer variable which is
16763 being set by a paradoxical subreg is probably not a biv.
16765 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16767 * prefix.c (translate_name) Check for empty prefix string.
16769 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16771 * Makefile.in (CPP_CROSS_NAME): New variable.
16772 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16774 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16775 names of the files to be uninstalled.
16777 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16779 * collect2.c (IS_DIR_SEPARATOR): Define.
16780 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16782 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16785 * haifa-sched.c (add_dependence): Update the true dependency
16786 cache the first time we add a true dependence to the LOG_LINKS chain.
16788 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16790 * fold-const.c (fold): Fix comment.
16792 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16794 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16795 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16796 dbxout_start_new_source_file, dbxout_source_file,
16797 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16798 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16800 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16801 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16802 (dbxout_block): Initialize variable `blocknum'.
16804 * dbxout.h (dbxout_init, dbxout_finish,
16805 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16806 dbxout_args, dbxout_source_line): Constify a char*.
16808 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16809 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16810 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16811 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16812 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16813 src_info_attribute, mac_info_attribute, producer_attribute,
16814 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16815 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16816 dwarfout_undef): Constify a char*.
16817 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16819 * dwarfout.h (dwarfout_define, dwarfout_undef,
16820 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16822 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16824 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16825 (MULTILIB_ISA_DEFAULT): New.
16826 (MULTILIB_DEFAULTS): Use it.
16827 * config/mips/mips.c (): Remove the now unnecessary definition
16828 of MIPS_ISA_DEFAULT.
16829 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16830 unnecessary definition.
16832 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16834 * arm.md (pic_load_addr): Add constraints to operand 1.
16836 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16838 * fixinc/genfixes: Provide a means for specifying -D options to
16841 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16843 * arm.c (arm_override_options): Correct initialization of
16844 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16845 arm_is_strong, and arm_is_6_or_7.
16847 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16848 (note_set_pseudo_multiple_uses): New function.
16849 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16850 if a pseudo set in the loop exit is used elsewhere.
16852 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16854 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16856 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16858 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16859 a single load-address pattern.
16861 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16863 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16864 depending on whether or not line-number notes are present.
16866 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16868 * cccp.c (progname, file_buf, default_include, include_file,
16869 macrodef, definition, hashval, wchar_type, user_label_prefix,
16870 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16871 expand_to_temp_buffer, is_system_include, base_name,
16872 absolute_filename, read_name_map, open_include_file,
16873 record_control_macro, check_precompiled, check_preconditions,
16874 pcfinclude, pass_thru_directive, create_definition,
16875 check_macro_name, comp_def_part, collect_expansion,
16876 check_assertion, read_token_list, assertion_install,
16877 assertion_lookup, eval_if_expression, conditional_skip,
16878 validate_else, skip_quoted_string, quote_string, macarg1,
16879 error_from_errno, install, lookup, hashf, dump_defn_1,
16880 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16881 check_white_space, rescan, handle_directive, monthnames,
16882 special_symbol, do_include, remap_include_file, write_output,
16883 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16884 do_ident, do_sccs, do_xifdef, skip_if_group,
16885 output_line_directive, macroexpand, macarg, change_newlines,
16886 initialize_builtins, make_definition): Constify a char*.
16888 * pcp.h (stringdef): Likewise.
16890 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16892 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16895 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16896 Richard Henderson <rth@cygnus.com>
16898 * alias.c: Include ggc.h.
16899 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16900 (record_set): Verify enough room in reg_base_value.
16901 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16902 Register it as a GC root.
16903 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16904 * Makefile.in (alias.o): Depend on ggc.h.
16906 * unroll.c (unroll_loop): Verify the insn before a barrier
16907 is a JUMP_INSN before checking JUMP_LABEL.
16909 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16911 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16912 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16913 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16914 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16915 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16916 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16918 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16920 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16922 * alpha/alpha-interix.h (text_section): Delete prototype.
16923 * alpha/elf.h (text_section): Likewise.
16924 * arm/linux-elf.h (text_section): Likewise.
16925 * arm/linux-telf.h (text_section): Likewise.
16926 * c4x/c4x.h (text_section): Likewise.
16927 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16928 * elfos.h (text_section): Likewise.
16929 * i386/aix386ng.h (text_section): Likewise.
16930 * i386/i386-interix.h (text_section): Likewise.
16931 * i386/sco5.h (text_section): Likewise.
16932 * i386/svr3gas.h (text_section): Likewise.
16933 * nextstep.h (text_section): Likewise.
16934 * psos.h (text_section): Likewise.
16935 * ptx4.h (text_section): Likewise.
16936 * svr3.h (text_section): Likewise.
16937 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16939 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16941 * final.c (peephole): Delete prototype.
16943 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16944 (pre_insert_copies): Remove unused variable `bb'.
16946 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16949 * output.h (peephole): Add prototype.
16951 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16953 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16956 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16958 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16959 for inlined declarations.
16961 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16963 * arm.c (logical_binary_operator): New fucntion.
16964 * arm.h (logical_binary_operator): Declare it.
16965 (PREDICATE_CODES): Handle logical_binary_operator.
16966 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16967 output constraints. Add appropriate splitters.
16968 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16969 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16970 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16972 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16974 * genoutput.c (struct operand_data): New elt eliminable.
16975 (output_operand_data): Write it.
16976 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16977 (compare_operands): Take it into account.
16978 * recog.h (struct insn_operand_data): New elt eliminable.
16979 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16981 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16982 (eliminate_regs): Move code that detects changes to elimination
16983 target regs into new function elimination_effects.
16984 Delete one #if 0 block.
16985 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16986 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16987 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16988 Only call eliminate_regs for real operands of the insn, not for parts
16989 of its structure or parts matched by things like match_operator.
16990 Use elimination_effects and check_eliminable_occurrences. Use
16991 copy_insn to duplicate the pattern when not in the final pass.
16993 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16995 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16998 1999-10-22 Bruce Korb <autogen@linuxbox.com>
17000 * fixinc/README: document the "mach" machine matching test
17001 * fixinc/fixfixes.c: Implement the #else/#endif label fix
17002 * fixinc/fixtests.c: Implement the #else/#endif label test
17003 * fixinc/inclhack.def: utilize these tests and fixes
17004 * fixinc/inclhack.sh: regen
17005 * fixinc/fixincl.x: regen
17006 * fixinc/fixincl.sh: regen
17008 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
17010 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
17013 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
17015 * gcc.1: Document exit codes.
17017 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17019 * calls.c: Include tm_p.h later, so everything we need is defined.
17020 * expr.c: Likewise.
17021 * function.c: Likewise.
17023 * except.c: Include tm_p.h.
17025 * sparc.c: Likewise.
17026 (dwarf2out_cfi_label): Don't prototype.
17027 (check_return_regs, epilogue_renumber,
17028 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
17029 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
17030 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
17031 ultra_schedule_insn): Add static prototype.
17032 (data_segment_operand, text_segment_operand): Call itself with the
17033 proper number of arguments.
17034 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
17036 * sparc.h: Move all declarations to sparc-protos.h.
17037 (SELECT_RTX_SECTION): Pass a missing MODE argument to
17040 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
17042 * config/svr4.h (text_section, ctors_section, dtors_section): Add
17044 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
17045 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
17046 ASM_OUTPUT_ASCII): Constify a char*.
17048 * sparc-protos.h: New file for sparc prototypes.
17050 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17052 * function.c (record_insns, contains): Always declare and define.
17053 (record_insns): Mark with ATTRIBUTE_UNUSED.
17055 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17057 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
17058 to .section when outputting a .bss section to deal with multiple
17059 .bss input sections (as happens with -fdata-sections)
17060 Also output %progbits, not @progbits so the assembler doesn't treat as
17062 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
17064 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
17065 thumb parts even when building with non-thumb CPUs, by forcing
17068 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
17070 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
17071 (movdf_const_intreg_sp64): Similarly.
17073 * local-alloc.c (update_equiv_regs): Check the correct insn
17074 for pre-existing REG_EQUIV notes.
17076 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
17078 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
17079 block reached by a branch if we're not going to actually process
17082 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
17084 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
17085 a local extern function declaration.
17087 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
17089 * i386.c (ix86_expand_prologue): Properly wrap USE around
17090 reg for CALL_INSN_FUNCTION_USAGE.
17092 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
17094 * config/mips/mips.md (movdf_internal1a): Allow floating-point
17095 move between GP_REGs.
17097 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
17099 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
17100 the mode size when finding out if an offset is legal.
17102 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
17104 * basic-block.h (PROP_*): Move constants from ...
17105 * flow.c: ... here.
17106 (compute_bb_for_insn): Free the array before reallocating.
17107 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
17108 (allocate_reg_life_data): Reset all reg variables collected by
17110 (get_block_head_tail): Don't convert from bb to block.
17111 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
17112 (find_insn_reg_weight): Take block not bb.
17113 (schedule_block): Don't set block num for moved insns.
17114 (schedule_region): Don't update_life_info or find_insn_reg_weight.
17115 (schedule_insns): Do it here instead.
17116 * combine.c (combine_instructions): Invoke compute_bb_for_insn
17117 before update_life_info.
17118 * recog.c (split_all_insns, peephole2_optimize): Update for
17119 new arg to update_life_info.
17120 * rtlanal.c (remove_note): Cope with NULL note.
17121 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
17124 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
17126 * jump.c (jump_optimize_1): More accurately detect casesi insns.
17128 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
17129 block records so that merge_blocks_nomove will clean up correctly.
17130 (split_edge): Handle casesi insns.
17132 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
17134 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
17136 * pa.md (call, call_value): Do not emit a blockage after restoring
17139 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
17141 * c-typeck.c (c_expand_asm_operands): Fix typo.
17143 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17145 * arm.c (fpu_rhs_operand): Verify modes.
17146 (fpu_add_operand): Likewise.
17147 (di_operand): Likewise.
17148 (soft_df_operand): Likewise.
17150 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
17152 * arm.c (arm_return_in_memory): APCS rules state that the elements
17153 of a structure returned in a register must be 'integer-like'.
17155 1999-10-19 Bruce Korb <autogen@linuxbox.com>
17157 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
17158 in the source tree when the generated targets are out of date
17159 * fixinc/genfixes: Alter it to run individual fixes for make.
17160 * fixinc/README: rewrite
17161 * fixinc/inclhack.def: moved initial comments to README
17163 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
17165 * toplev.c (main): Do not generate an error message if an
17166 unrecognised command line switch is recognisable by another
17167 language. If extra_warnings are enabled, then generate a
17168 warning message instead.
17170 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
17172 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
17173 (insert_pack_attributes): Delete prototype.
17175 * c-pragma.c (default_alignment): New static variable.
17176 (push_alignment): Initialize to current effective alignment.
17177 (pop_alignment): Use to set new alignment.
17178 (insert_pack_attributes): Delete function.
17179 (handle_pragma_token): Set default_alignment as well each time
17180 a #pragma pack(<n>) is encountered.
17182 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
17184 * reg-stack.c (stack_result): Aggregates are not returned in
17187 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
17189 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
17191 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
17193 * basic-block.h (set_block_num): Declare.
17194 * flow.c (update_life_info): Don't call compute_bb_for_insn
17195 or free_basic_block_vars.
17196 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
17197 (insn_orig_block): Remove.
17198 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
17199 (schedule_block): Keep BLOCK_NUM up-to-date.
17200 (schedule_insns): Use compute_bb_for_insn.
17201 * recog.c (split_all_insns): Likewise.
17202 (peephole2_optimize): Likewise.
17204 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
17206 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
17207 if the pic register is used.
17209 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17211 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
17212 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
17213 if that tests TREE_PERMANENT.
17215 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
17217 * cse.c (invalidate_for_call): Do not remove memory references from
17218 the table here. It's handled elsewhere.
17220 * haifa-sched.c (add_dependence): Protect references to the
17221 true dependency cache with #ifdef INSN_SCHEDULING.
17222 (remove_dependence): Similarly.
17224 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
17225 to the cfg code that this is a return instruction.
17226 * mn10300.md (return_internal): Similarly.
17228 * combine.c (get_last_value): If the last set of a register
17229 is after subst_low_cuid, then we can not use it to determine
17230 the register's last value.
17232 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17234 * Makefile.in: Back out previous change.
17236 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
17238 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
17240 * haifa-sched.c (add_dependence): Only check/update the cache
17242 (remove_dependence): Likewise.
17243 (schedule_insns): Only create the true_dependency_cache if the
17244 average number of instructions in a basic block is very large.
17246 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17248 * Makefile.in (ggc-common.o): Depend on genrtl.h.
17249 (ggc-simple.o): Likewise.
17250 (ggc-page.o): Likewise.
17252 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
17254 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
17255 Prototype for exported functions.
17256 (pre_lcm, pre_rev_lcm): Remove prototypes.
17257 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
17258 (compute_available): Move to lcm.c, and change parameter order.
17259 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
17260 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
17261 (gcse_main): No longer call compute_preds_succs. Rebuild the
17262 set table after reach pre pass.
17263 (pre_insert_map, pre_delete_map, edge_list): New.
17264 (alloc_pre_mem): Allocate edge vectors.
17265 (free_pre_mem): Delete edge vectors.
17266 (compute_pre_data): Call new edge based lcm routines.
17267 (process_insert_insn): New function.
17268 (insert_insn_end_bb): Use it.
17269 (pre_edge_insert): New function.
17270 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
17272 (pre_insert_copies): Revamp using new edge based lcm outputs.
17273 (pre_delete): Likewise.
17274 (one_pre_gcse_pass): Insert & remove fake edges to the exit
17276 (compute_code_hoist_vbeinout): New new edge based routines.
17277 * lcm.c: Remove all the old LCM functions. Replace with new ones
17278 that work with the new cfg datastructures and work with edges
17281 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17283 * reload.h (struct reload): Add new fields "mode" and "nregs".
17284 * reload1.c: Change all occurrences of reload_mode and reload_nregs
17285 to reference the "mode" and "nregs" field within struct reload.
17287 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
17289 * haifa-sched.c (true_dependency_cache): New.
17290 (add_dependence): Use the true dependency cache to avoid expensive
17291 walks down the LOG_LINKS dependency list. Add entries to the
17292 cache as necessary.
17293 (remove_dependence): Remove entries from the true dependency cache
17295 (schedule_insns): Allocate and initialize and free the true
17298 * haifa-sched.c (schedule_insns): Do not remove inter-block
17299 dependencies anymore.
17301 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
17303 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
17304 * i386/t-winnt: Likewise.
17306 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
17308 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
17310 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
17312 * Makefile.in (LANGUAGES): Omit "proto".
17313 (clean): Remove stale comment about removing unprotoize.c.
17315 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17317 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
17318 using arithmetic on void pointers.
17320 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
17322 * haifa-sched.c (compute_block_forward_dependencies): Only check
17323 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
17325 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
17327 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
17328 (expr_equiv_p): Reject memories with different alias sets.
17330 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
17332 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
17333 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
17334 (f_options): Add "bounded-pointers" and "bounds-check" entries.
17335 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
17336 (lang_init): Set default for flag_bounds_check if still "unspecified".
17338 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17340 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
17342 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17344 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
17347 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17349 * config/c4x/c4x.md (*db_noclobber,
17350 *decrement_and_branch_until_zero_noclobber): New patterns and
17351 associated splitters.
17353 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17355 * config/c4x/c4x.md (parallel instruction patterns): Rework
17356 constraints to keep reload happy.
17358 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17360 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
17361 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
17362 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
17363 Add new patterns and associated post-reload splitters.
17365 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17367 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
17369 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17371 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
17373 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
17375 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17377 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
17380 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
17382 * pa.c (move_operand): Rely on memory_address_p to determine the
17383 validity of non-indexed memory addresses.
17384 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
17385 operand in DFmode and SFmode when generating PA2.0 code.
17387 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
17389 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
17391 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
17393 * mips.c (function_prologue): Fix argument types.
17394 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
17395 (casesi_internal): Write to the scratch register.
17397 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
17399 * cppexp.c (cpp_parse_escape): Make static. Change second arg
17401 (parse_charconst): Delete unnecessary cast when calling
17403 (cpplib.h): Kill prototype of cpp_parse_escape.
17405 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
17407 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
17408 * unroll.c (unroll_loop): Cast return value of alloca.
17409 * i370/i370.c: Include function.h and toplev.h.
17410 (i370_label_scan): Remove c++ commented abort.
17411 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
17412 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
17413 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
17414 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
17416 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
17418 * config/t-freebsd: Do not override USER_H.
17419 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
17421 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
17422 Mumit Khan <khan@xraylith.wisc.edu>
17424 * c-parse.in (component_decl): Support anonymous struct/union.
17426 * c-parse.y: Regenerate.
17427 * c-parse.c: Likewise.
17428 * objc/objc-parse.y: Likewise.
17429 * objc/objc-parse.c: Likewise.
17430 * c-decl.c (finish_struct): Don't sort the fields.
17431 (field_decl_cmp): Delete unused function.
17433 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
17435 * sparc.md (movsf_const_intreg): Revert last constraint change.
17436 (movdf_const_intreg_sp32): Likewise.
17438 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
17440 * cse.c: Include hashtab.h instead of splay-tree.h
17441 (struct cse_reg_info): No longer use variant union. Add new
17442 field "regno". All references changed to avoid union.
17443 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
17444 (free_cse_reg_info): Remove.
17445 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
17446 (get_cse_reg_info): Revamp to use expandable hash tables instead
17447 of splay trees. Initialize new fields in cse_reg_info structure.
17448 (new_basic_block): Similarly.
17450 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
17452 * genrecog.c (message_with_line): Prototype.
17453 (validate_pattern): Pass along the set for the dest, not a flag.
17454 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
17455 Check for PC/CC0 as sources.
17456 (nodes_identical): Check for children position match before
17457 allowing the combination.
17459 * rtl.c (read_rtx): Track line number across \\\n.
17461 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
17463 * mips.h (SPECIAL_MODE_PREDICATES): New.
17464 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
17465 (movdi+1, movsi+1): Add output reload constraint.
17466 (casesi_internal): Likewise. Fix commentary.
17467 (return_internal): Use pmode_register_operand.
17469 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
17471 * 1750a.md (movstrqi): Add missing output reload constraint.
17472 (call_value): Likewise.
17473 * a29k.md (cpxxx patterns): Add missing match_operator mode.
17474 (jmpfdec): Add missing inout reload constraint.
17475 * elxsi.md (addsi patterns): Add missing output reload constraint.
17476 (move from sp): Use @ alternates.
17477 (call_value): No constraint on output.
17478 * fr30.md (movsi_pop): Add missing output reload constraint.
17479 (movsf_constant_store): Likewise.
17480 (splits): Remove constraints.
17481 (subsi3): Add missing mode.
17482 * i370.md (cmpstrsi+1): Add missing output reload constraint.
17483 (call_value): Likewise.
17484 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
17485 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
17486 * m32r.md (movsicc_internal): Add output reload constraint.
17487 (movstrsi_internal): Add inout reload constraints.
17488 * m88k.h (reg_names): Don't declare.
17489 (SPECIAL_MODE_PREDICATES): New.
17490 * m88k.md (*): Use register_operand not reg_or_0_operand
17492 * mn10200.h (PREDICATE_CODES): New.
17493 * ns32k.md (ffs pattern): Add output reload constraint.
17494 * pdp11.md (sob pattern): Add inout reload constraint.
17495 * sh.md (splits): Remove constraints.
17496 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17497 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17498 * vax.md (jgequ pattern): Add inout reload constraint.
17500 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17502 * configure.in (djgpp): Revert previous patch.
17503 * configure: Rebuit.
17504 * config/i386/djgpp.h: Revert previous patch.
17506 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17508 * fixinc/inclhack.def: Restore patch lost during last merge of
17509 "no_bogosity" branch.
17510 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17512 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17514 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17515 * fixinc/inclhack.def: Same.
17516 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17518 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17520 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17521 as the base of a PLUS.
17523 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17525 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17526 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17528 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17530 * pa.md (post_stw+1): Use pmode_register_operand.
17531 (dcacheflush, icacheflush): Likewise.
17533 * i386.md (movstricthi_1): Allow r/r.
17535 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17537 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17538 to (not (and (arg0) (arg1))). Similary for and.
17540 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17541 fallthrough to associate code.
17542 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17545 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17546 no bits in common; remove XOR to ROTATE conversion.
17548 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17550 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17552 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17554 * config/c4x/c4x.c (dst_operand): New.
17555 (PREDICATE_CODES): Update.
17556 * config/c4x/c4x.h (dst_operand): Declare it.
17557 * config/c4x/c4x.md: Define mode for each unspec usage.
17558 (move patterns): Use dst_operand predicate instead of src_operand.
17559 (movqi_update, movqf_update): Delete.
17561 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17563 * recog.c (pmode_register_operand): New.
17564 * recog.h: Declare it.
17565 * genrecog.c (pred_codes): Likewise.
17566 (special_mode_pred_table): Likewise.
17567 (validate_pattern): Don't warn no mode for address_operand.
17569 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17570 if the operand is not insn-like.
17572 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17573 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17575 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17577 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17579 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17580 instead of general_operand in a SET_DEST. Use const_double_operand
17581 instead of an explicit test against CONST_DOUBLE.
17582 (movsf_const_lo): Add missing register mode.
17583 (goto_handler_and_restore): Add auxiliary test for Pmode.
17584 (flush): Adjust to use address_operand.
17585 (return_sf_no_fpu): Add missing output constraint.
17587 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17589 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17590 for call return value.
17591 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17593 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17595 * toplev.c (main): Only warn about options for other languages.
17596 * collect2.c (main): Pass -w to sub-gcc.
17598 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17600 * flow.c (propagate_block): Add call-clobbered registers to
17603 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17604 zapping mem_set_list.
17605 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17606 (mark_set_1, mark_used_regs): Likewise.
17608 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17610 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17612 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17614 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17615 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17616 options. Also add a new item "C-only Warning Options" to the
17619 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17621 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17622 from multiple calls.
17624 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17626 * i386.md (call value patterns): Move to the end of the file.
17627 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17629 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17631 * configure.in (djgpp configuration): Define extra_objects..
17632 * configure: Rebuilt.
17633 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17634 (DTORS_SECTION_ASM_OP): Define.
17635 (INIT_SECTION_ASM_OP): Define.
17636 (FINI_SECTION_ASM_OP): Define.
17637 (DATA_SECTION_ASM_OP): Define.
17638 (TEXT_SECTION_ASM_OP): Define.
17639 (EH_FRAME_SECTION_ASM_OP): Define.
17640 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17641 (STARTFILE_SPEC): Add crtbegin.o.
17642 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17643 to here from LINK_COMMAND_SPEC.
17644 (DO_GLOBAL_CTORS_BODY): Define.
17645 (CRTSTUFF_USE_FINI_SECTION): Define
17646 (HAS_INIT_SECTION): Delete.
17648 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17650 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17652 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17654 * pa.h (PREDICATE_CODES): New.
17656 * genrecog.c (validate_pattern): Condense the destination
17657 non-lvalue message.
17659 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17661 * alpha.md (call-1): Supply missing mode for operator.
17662 (*): Add missing output reload constraints. Remove constraints
17663 from define_splits.
17665 * i386.h (SPECIAL_MODE_PREDICATES): New.
17666 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17667 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17668 (addsi_lea_3): Add missing mode for op 3.
17669 (prologue_set_got, prologue_get_pc): Add missing modes.
17670 (*) Add missing output reload constraints.
17672 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17674 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17675 check for member bit-size overflow and use var_size if it occurs.
17676 (layout_record): Use bitsize_int() to define the type size in bits.
17677 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17678 (layout_decl): Likewise when assigning to DECL_SIZE.
17680 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17682 * genrecog.c (validate_pattern): Typo last change. Verify
17683 that output operands have output reloads.
17685 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17687 * genrecog.c (special_mode_pred_table): New.
17688 (NUM_SPECIAL_MODE_PREDS): New.
17689 (find_operand): New.
17690 (validate_pattern): New argument `insn'. Warn for assignment to
17691 any predicate accepting non-lvalues. Conditionaly warn for
17692 match_operand without a mode. Try much harder to match source
17693 and destination modes on a set.
17694 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17696 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17698 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17700 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17702 * combine.c (simplify_logical): Recognize xor pattern that encodes
17705 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17707 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17710 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17712 * ggc-page.c (MAP_FAILED): Provide default.
17714 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17716 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17717 * sparc.h (PREDICATE_CODES): Update.
17719 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17721 * alpha.c (some_ni_operand): New.
17722 * alpha-protos.h: Declare it.
17723 * alpha.h (PREDICATE_CODES): Update.
17724 * alpha.md (sXaddq reload insns): Use some_ni_operand
17725 for SET_DEST instead of some_operand.
17727 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17728 Jim Wilson <wilson@cygnus.com>
17730 * genrecog.c (maybe_both_true_2): Don't compare modes of
17732 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17733 after find_afterward.
17734 (debug_decision_1): Dump next and afterward codes.
17736 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17738 * rtl.c (dump_and_abort): Remove.
17739 (fatal_with_file_and_line): New.
17740 (fatal_expected_char): New.
17741 (read_rtx_lineno, read_rtx_filename): New.
17742 (read_skip_spaces): Track line number.
17743 (read_name): Use fatal_with_file_and_line.
17744 (read_rtx): Use fatal_expected_char. Track line number.
17745 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17747 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17748 if it isn't a CODE_LABEL.
17750 * genattr.c (main): Set read_rtx_filename.
17751 * genattrtab.c (main): Likewise.
17752 * gencodes.c (main): Likewise.
17753 * genconfig.c (main): Likewise.
17754 * genemit.c (main): Likewise.
17755 * genextract.c (main): Likewise.
17756 * genflags.c (main): Likewise.
17757 * genopinit.c (main): Likewise.
17758 * genoutput.c (main): Likewise.
17759 * genpeep.c (main): Likewise.
17761 * genrecog.c (decision_test.u.insn): Add `lineno'.
17762 (pattern_lineno, error_count): New variables.
17763 (message_with_line): New.
17764 (add_to_sequence): Break out checking code to ...
17765 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17766 (merge_insn): Use message_with_line.
17767 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17768 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17770 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17772 * expr.c (store_constructor): Clear union if constructor is empty.
17774 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17776 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17777 Add !endian checks. Change %{...} to %(...).
17779 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17781 * i386.md (*addsi3_cc): Renamed from addcsi3.
17782 (*addsi3_carry): Renamed from addxsi3.
17783 (*subsi3_cc): Renamed from subcsi3.
17784 (*subsi3_carry): Renamed from subxsi3.
17785 (*xorqi_cc_1): Renamed from xorcqi_1.
17786 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17787 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17789 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17791 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17792 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17794 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17796 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17797 climb up the chain of insns.
17799 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17801 * genrecog.c (write_subroutine): Careful for null trees.
17802 (process_tree): Don't elide empty functions.
17804 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17806 * Makefile.in (genrtl.o): Depend on ggc.h.
17807 * configure.in (valloc): Probe for it.
17808 (with-gc): Use ggc-page if valloc present.
17809 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17810 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17811 (ggc_alloc_string): Moved from ggc-page.c.
17812 * ggc-none.c (ggc_alloc_obj): New.
17813 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17814 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17815 (struct globals): Likewise for dev_zero_fd.
17816 (init_ggc): Likewise for it's initialization.
17817 (ggc_allocated_p): Move careful dereference from ...
17818 (ggc_lookup_page_table): ... here. Delete.
17819 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17820 (alloc_anon): Use valloc if no mmap.
17821 (release_pages): Use free if using valloc.
17822 (ggc_alloc_obj): Renamed from alloc_obj.
17823 (ggc_set_mark): Renamed from mark_obj.
17824 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17825 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17826 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17827 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17828 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17829 (ggc_collect): Use fp printing instead of our own rounding.
17830 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17831 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17832 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17833 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17834 (struct ggc_string, struct ggc_any): Delete.
17835 (offsetof): Provide default definition.
17836 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17838 (struct ggc_mem): New, from corpse of ggc_any.
17839 (struct ggc_status): Delete.
17840 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17841 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17842 (n_strings_collected, n_anys_collected): Delete.
17843 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17844 (ggc_alloc_string, ggc_alloc): Delete.
17845 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17846 (ggc_free_string, ggc_free_any): Delete.
17847 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17848 (ggc_compare_addresses, ggc_mark_string): Delete.
17849 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17850 (search_data): Delete.
17851 (struct globals): New.
17852 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17853 (tree_insert, tree_lookup): New.
17854 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17855 (clear_marks, sweep_objs): New.
17856 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17857 (init_ggc): Set allocated_last_gc.
17858 (ggc_push_context): Gut. Use G.context.
17859 (ggc_pop_context): Likewise.
17860 (ggc_pop_context_1): New.
17861 (debug_ggc_tree): New.
17862 (debug_ggc_balance, tally_leaves): New.
17863 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17864 (ggc_mark_string_if_gcable): Remove decl.
17865 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17866 (ggc_mark_rtvec_children): New.
17867 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17868 (ggc_mark_if_gcable): New decl.
17869 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17870 (ggc_alloc_tree, ggc_alloc): Likewise.
17871 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17872 (ggc_alloc_obj): New decl.
17873 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17874 (ggc_alloc_tree, ggc_alloc): Likewise.
17875 (ggc_set_mark): New decl.
17876 * rtl.h (struct rtx_def): Remove gc_mark.
17877 (struct rtvec_def): Likewise.
17878 * tree.h (struct tree_common): Likewise.
17880 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17882 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17883 float_format and thread_file definitions.
17884 * configure: Rebuilt.
17886 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17888 * extend.texi (Function Names): Document types of function names.
17890 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17892 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17893 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17895 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17897 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17899 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17901 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17903 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17905 * collect2.c (main): Do prelimnary link on AIX if rflag.
17907 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17909 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17910 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17912 (__do_global_dtors): similarly for __DTOR_LIST__.
17914 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17915 Diego Novillo <dnovillo@cygnus.com>
17917 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17920 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17922 * fixincl/*: Merged "no_bogosity" branch
17923 * fixincl/fixlib.h: protect against doubly defining t_bool
17924 * fixincl/server.h: protect against doubly defining t_bool
17926 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17928 * genoutput.c: Include toplev.h.
17930 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17932 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17934 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17935 * configure: Regenerate.
17937 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17939 * gcse.c (delete_null_pointer_checks): Returns void.
17941 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17943 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17944 * emit-rtl.c (copy_insn_1): Likewise.
17946 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17948 * config/mips/mips.c (mips_build_va_list): Correct
17949 TREE_CHAIN setting when hard-float.
17950 (mips_va_start): Use corrected setting.
17951 (mips_va_arg): Likewise. Also pass a tree to build of
17952 POSTINCREMENT_EXPR rather than a naked 'int'.
17954 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17956 * ggc.h (ggc_push_context): Fix comment.
17957 (ggc_pop_context): Likewise.
17958 (mark_string_if_gcable): Likewise.
17959 * ggc-common.c (ggc_mark_rtx_children): Use
17960 ggc_mark_string_if_gcable.
17961 * ggc-page.c (ggc_lookup_page_table): New function.
17962 (ggc_allocated_p): Likewise.
17963 (mark_obj): Fix formatting.
17964 (ggc_mark_string_if_gcable): New function.
17965 * ggc-simple.c (ggc_allocated_strings): New variable.
17966 (ggc_strings_used): Likewise.
17967 (ggc_compare_addresses): New function.
17968 (ggc_pop_context): Pop the `any' memory too.
17969 (ggc_mark_string_if_gcable): New function.
17970 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17972 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17974 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17975 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17976 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17979 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17981 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17982 (sched_reg_live_length, sched_reg_basic_block): Delete.
17983 (current_block_num, bb_live_regs, old_live_regs): Delete.
17984 (dead_notes, struct sometimes): Delete.
17985 (sched_note_set, birthing_insn_p): Delete.
17986 (adjust_priority): Gut useless reg lifetime code.
17987 (create_reg_dead_note, attach_deaths): Delete.
17988 (attach_deaths_insn, new_sometimes_live): Delete.
17989 (finish_sometimes_live): Delete.
17990 (find_pre_sched_live, find_post_sched_live): Delete.
17991 (update_reg_usage): Delete.
17992 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17993 (schedule_insns): Delete reg lifetime code.
17994 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17995 (unlink_other_notes): Adjust REG_NOTE commentary.
17996 (reemit_notes): Use REG_SAVE_NOTE.
17997 (schedule_block): Likewise.
17998 (schedule_region): Allocate bitmap of blocks in region. Use
17999 count_or_remove_death_notes. Use update_life_info.
18001 * rtl.h (REG_SAVE_NOTE): New.
18002 * rtl.c (reg_note_name): Update.
18004 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
18006 * combine.c (refresh_blocks, need_refresh): New.
18007 (combine_instructions): Allocate refresh_blocks. Invoke
18008 update_life_info if needed.
18009 (distribute_notes): Mark refresh_blocks instead of installing
18011 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
18012 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
18014 * Makefile.in (recog.o): Depend on basic-block.h.
18016 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
18018 * genrecog.c (add_to_sequence): Thinko last change: delete
18019 shadowing allow_const_int variable.
18021 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18023 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
18024 __GNUC__ and __GNUC_MINOR__.
18026 * gansidecl.h: Likewise.
18032 * toplev.h: Likewise.
18034 * tree.c: Likewise.
18036 * tree.h: Likewise.
18038 * varray.c: Likewise.
18040 * varray.h: Likewise.
18042 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18044 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
18045 use one before a jump table.
18047 * rtl.def (ADDRESS): Change documentation to match reality.
18048 * md.texi: Don't document it.
18049 * gmicro.md (load address pattern): Use 'p' constraint, delete use
18052 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
18054 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
18056 * genrecog.c (add_to_sequence): Move allow_const_int test outside
18057 known predicate block; default allow_const_int true.
18058 (debug_decision_list): New.
18060 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
18062 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
18064 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
18066 * gcse.c (gcse_main): Avoid global optimizations if we have a
18067 large number of basic blocks and the ratio of edges to blocks
18069 (delete_null_pointer_checks): Likewise.
18071 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
18073 * c-common.c (check_format_info): Warn if format string isn't a
18076 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18078 * configure.in (arm*-*-*): Don't let autoconf remove brackets
18079 * configure: regenerate
18081 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
18083 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
18084 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
18085 (peepholes): Re-enable.
18087 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
18089 * Makefile.in (flow.o): Depend on TREE_H.
18090 * basic-block.h (REG_SET_EQUAL_P): New.
18091 (XOR_REG_SET): New.
18092 (n_edges): Declare.
18093 (free_regset_vector): Remove declaration.
18094 (flow_delete_insn_chain): Declare.
18095 (enum update_life_extent): New.
18096 (update_life_info, count_or_remove_death_notes): Declare.
18097 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
18098 Verify register live at bb->global_live_at_start before adding USE.
18099 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
18100 (CLEAN_ALLOCA): New.
18102 (PROP_*): New flags.
18103 (find_basic_blocks_1): Use alloc_EXPR_LIST.
18104 (clear_edges): Zero n_edges.
18105 (make_edge): Increment n_edges.
18106 (split_edge): Don't allocate bb->local_set. Increment n_edges.
18107 (flow_delete_insn_chain): Export.
18108 (delete_block): Decrement n_edges.
18109 (merge_blocks_nomove): Likewise.
18110 (life_analysis): Give life_analysis_1 PROP flags.
18111 (verify_wide_reg_1, verify_wide_reg): New.
18112 (verify_local_live_at_start): New.
18113 (update_life_info): Rewrite to call into propogate_block.
18115 (mark_regs_live_at_end): After reload, if epilogue as rtl,
18116 always mark stack pointer. Conditionally mark PIC register.
18117 After reload, mark call-saved registers, return regsiters.
18118 (life_analysis_1): Accept PROP flags not remove_dead_code.
18119 Call mark_regs_live_at_end before zeroing regs_ever_live.
18120 Use calculate_global_regs_live. Copy global_live_at_end before
18121 calling final propagate_block. Zero reg_next_use on exit.
18122 (calculate_global_regs_live): New.
18123 (allocate_bb_life_data): Don't allocate bb->local_set.
18124 (init_regset_vector, free_regset_vector): Remove.
18125 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
18126 Test flags before every operation. Warn if prologue/epilogue insn
18127 would have been deleted.
18128 (mark_set_regs, mark_set_1): Accept and use FLAGS.
18129 Use alloc_EXPR_LIST.
18130 (mark_used_regs): Accept and use FLAGS, not FINAL.
18131 Remove special handling for RETURN.
18132 (try_pre_increment): Use alloc_EXPR_LIST.
18133 (dump_flow_info): Dump n_edges.
18134 (unlink_insn_chain, split_hard_reg_notes): Remove.
18135 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
18136 (find_insn_with_note, new_insn_dead_notes): Remove.
18137 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
18138 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
18139 (replace_insns): Remove.
18140 (count_or_remove_death_notes): New.
18141 (verify_flow_info): Abort on error after all checks.
18142 (remove_edge): Decrement n_edges.
18143 (remove_fake_edges): Tweak format.
18144 * haifa-sched.c (schedule_insns): Use split_all_insns.
18145 * output.h (update_life_info): Remove declaration.
18146 * recog.c (split_all_insns): From the corpse of split_block_insns,
18147 do the whole function block by block. Use update_life_info.
18148 (recog_last_allowed_insn): New.
18149 (recog_next_insn): Mind it.
18150 (peephole2_optimize): Set it. Walk backwards through blocks.
18151 Use update_life_info.
18152 * rtl.h (update_flow_info, replace_insns): Remove declarations.
18153 (split_all_insns): Declare.
18154 * toplev.c (rest_of_compilation): Thread prologue before flow2.
18155 Use split_all_insns.
18157 * i386.md (or -1 peep2s): Disable.
18159 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
18161 * config/mips/mips.md (movstrsi+[123]) : Combine these into
18162 a single pattern. Scrap the 'd' versions as unnecessary.
18164 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
18165 tablejump_mips162,tablejump_internal4): The operands to a
18166 label_ref must be VOIDmode.
18168 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18170 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
18172 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18174 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
18176 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18178 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
18179 cache every function if ggc_p.
18181 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18183 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
18184 instead of copy_rtx. Accept sequences that contain asm statements.
18185 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
18186 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
18187 orig_asm_operands_vector, copy_asm_operands_vector,
18188 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
18190 * rtl.h (copy_insn, copy_insn_1): Declare.
18192 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18194 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
18196 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
18197 arguments to `current_file_function_operand'.
18199 * genrecog.c: Include hard-reg-set.h and resource.h in the
18200 generated output file.
18202 * real.c: Include tm_p.h.
18204 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18206 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
18209 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
18211 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
18212 before the fctiwz insn.
18214 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18215 Mark Mitchell <mark@codesourcery.com>
18217 * tree.c (make_lang_type_fn): New funtion pointer.
18218 (make_lang_type): Call it.
18219 * tree.h (make_lang_type): Declare.
18220 (make_lang_type_fn): Likewise.
18221 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
18223 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
18225 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
18226 make sure that HIGH instructions are copied into BASE_REGS.
18228 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
18230 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
18232 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
18234 * c-decl.c (finish_struct): Use simpler method of
18235 removing elements of a singly-linked list.
18237 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
18239 * alpha.md (peephole2's): Comment out peephole2's that generate
18242 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
18244 * genrecog.c (add_to_sequence): Disable mode check for
18247 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18249 * ggc-simple.c (init_ggc): Set empty_string.
18251 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
18253 * configure.in: Detect mmap. Add --with-gc=foo to select
18254 garbage collector; default to page if mmap available.
18255 * Makefile.in (GGC): Substitute.
18257 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
18259 * c-decl.c (ggc_p): Enable.
18261 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18263 * flow.c (verify_flow_info): Make it extern & unconditionally define.
18265 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
18267 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
18268 string for little-endian-data.
18270 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
18272 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
18273 case somebody tries to compile --enable-checking code with gcc
18276 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
18278 * genrecog.c (add_to_sequence): Verify operand to label_ref is
18281 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
18283 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
18284 * jump.c (jump_optimize_1): Document why.
18286 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18288 * collect2.c (scan_prog_file, scan_libraries): Prototype function
18289 pointers and casts for `int_handler' and `quit_handler'.
18291 * flow.c (verify_flow_info, split_hard_reg_notes,
18292 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
18293 remove_edge, remove_fake_successors): Add static prototypes.
18294 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
18295 (mark_set_1): Initialize variable `regno'.
18296 (unlink_insn_chain): Likewise for variable `curr'.
18297 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
18299 * loop.c (strength_reduce): Initialize variable
18300 `unrolled_insn_copies'.
18301 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
18302 prototypes. Change these functions to take const PTR parameters
18303 to avoid prototype conflict when used as the comparson argument
18305 (check_dbra_loop): Initialize variable `comparison_val'.
18307 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
18308 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
18309 (find_valid_class): Initialize variable `best_class'.
18310 (find_reloads): Call memcpy, not bcopy.
18312 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
18313 (hard_reg_use_compare): Don't needlessly cast away const.
18314 (reload_reg_class_lower): Likewise.
18315 (choose_reload_regs): Initialize variable `regno'.
18317 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
18319 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
18321 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
18323 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
18324 ({,d}discard): Add forward declarations. Declare parameter as
18326 (main_without_main): Explicitly declare return type to be int.
18327 (memcpy): Properly declare.
18329 * libgcc2.c (toplevel): If inhibit_libc is defined and not
18330 building the trampoline support, declare malloc, free, and
18332 (__clear_cache): Mark arguments as potentially unused.
18334 * frame.c (toplevel): If inhibit_libc is defined, declare
18337 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
18339 * flow.c (make_edge): Accept an optional 2D bitmap in which
18340 to cache edge existence. Update all callers.
18341 (make_label_edge, make_eh_edge): Pass through the edge cache.
18342 (make_edges): Provide the cache.
18344 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18346 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
18348 (local_mbtowc): Change the type of variable `i' from int to size_t.
18350 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
18351 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
18353 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
18355 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
18356 after other includes that define the appropriate types. Include
18357 tm_p.h for getting user prototypes.
18358 * ggc-callbacks.c (toplevel): Ditto.
18359 * ggc-none.c (toplevel): Ditto.
18360 * gcc-page.c (toplevel): Ditto.
18361 * ggc-simple.c (toplevel): Ditto.
18363 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
18364 Jonathan Larmour <jlarmour@cygnus.co.uk>
18366 * config/mips/mips.c (mips_move_2words): Split doubles if
18367 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
18369 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
18371 * genrecog.c (struct decision_test): New.
18372 (struct decision): Remove test-related members, sort the rest by size.
18373 (IS_SPLIT): Simplify.
18374 (new_decision, new_decision_test): New.
18375 (add_to_sequence): Use them. No special handling for args of
18377 (maybe_both_true): Renamed from not_both_true; return sense changed.
18378 (maybe_both_true_1, maybe_both_true_2): New. Broken out
18379 of maybe_both_true and adjusted for decision_test.
18380 (position_merit): Remove.
18381 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
18382 (merge_accept_insn): New, broken out of merge_trees.
18383 (merge_trees): Use them. No special case for c_test; no node
18384 splitting; use test type instead of position_merit.
18385 (factor_tests): New.
18386 (simplify_tests): New.
18387 (break_out_subroutines): Don't write code now.
18388 (find_afterward): New.
18389 (write_afterward, write_switch, write_cond): New.
18390 (write_action, is_unconditional): New.
18391 (write_node): New. Use them.
18392 (write_tree_1): Rewrite. Use the new functions above.
18393 (write_tree): Remove afterward processing.
18394 (write_subroutine): Simplify function variant emission.
18395 (write_subroutines): New.
18396 (same_codes, clear_codes): Remove.
18397 (same_modes, clear_modes): Remove.
18398 (write_header): New, broken out of main.
18399 (make_insn_sequence): Use new_decision and new_decision_test.
18400 (process_tree): New, broken out of main.
18401 (main): Adjust for merge_trees interface change.
18402 Don't #define operands in the output file.
18403 (record_insn_name): New, broken out of make_insn_sequence.
18404 (debug_decision_2, debug_decision_1, debug_decision_0): New.
18405 (debug_decision): New.
18407 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
18409 * resource.c (find_free_register): Mark class_str argument const.
18410 * resource.h: Update prototype to match.
18412 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
18413 * i386.md: Give all anonymous insns names.
18415 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
18417 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
18420 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
18422 * toplev.c (dbr_sched_time): Unconditional.
18423 (peephole2_time): New.
18424 (compile_file): Add pass numbers to all of the dump file suffixes.
18425 Dump peephole2_time. Don't dump times for non-applicable passes.
18426 (rest_of_compilation): Add pass numbers to dump file suffixes.
18427 Conditionalize calls to the scheduler.
18428 * invoke.texi: Update.
18430 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
18432 * flow.c (make_edges): Fix insn iteration.
18433 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
18434 (find_basic_blocks_1): Fix spelling mistake.
18436 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
18438 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
18439 always have side-effects. Use memset not bzero.
18440 (make_node): Likewise.
18442 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
18444 * stmt.c (expand_anon_union_decl): When any of the elements of the
18445 union is addressable, so is the entire union.
18447 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
18449 * sbitmap.c (sbitmap_ones): Don't set too many bits.
18451 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
18452 * bitmap.c (bitmap_operation): Return true iff TO changed.
18453 (bitmap_equal_p): New.
18454 (bitmap_bit_p): Tidy arithmetic.
18455 (debug_bitmap_file): Likewise.
18457 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
18459 * toplev.c (rest_of_compilation): Turn on cse_not_expected
18460 before cse2 instead of after.
18462 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
18464 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
18467 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18469 * cppinit.c (is_idchar initializer): Loosen tests to accept
18472 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
18474 * mips.md: Define conditional move patterns for floating point
18475 operands and DI mode conditions.
18477 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
18479 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
18480 always have side-effects.
18482 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
18484 * mn10200.c (asm_file_start): Fix typo.
18486 * cppinit.c (is_idchar initializer): Tighten tests for when
18487 to put the table into initialized memory.
18489 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
18490 not an array of rtunion.
18491 * gcc-page.c (ggc_alloc_rtvec): Similarly.
18492 * gcc-simple (ggc_free_rtvec): Similarly.
18494 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18497 * mbchar.h: Add missing #endif.
18499 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18500 (FPBIT, DPBIT): Define.
18502 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18504 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18506 * profile.c (instrument_arcs, output_gcov_string,
18507 tablejump_entry_p): Add static prototypes.
18508 (output_gcov_string): Constify a char*.
18510 * regmove.c (replacement_quality, fixup_match_2): Add static
18513 * resource.h (reg_dead_p): Add extern prototype.
18515 * rtl.c (trim_filename): Add static prototype.
18517 * scan-decls.c (skip_to_closing_brace): Likewise.
18519 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18520 (expand_end_case): Initialize variable `range'.
18521 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18523 * varasm.c (asm_emit_uninitialised): Add static prototype.
18524 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18527 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18529 * cpplib.c (if_directive_nameo): Add static prototype.
18531 * cse.c (cse_insn): Remove unused variable `p'.
18533 * except.c (create_rethrow_ref, push_entry,
18534 receive_exception_label, new_eh_region_entry, find_func_region,
18535 clear_function_eh_region, process_nestinfo): Add static prototypes.
18536 (get_reg_for_handler): Hide definition.
18537 (process_nestinfo): Initialize variable `extra_handlers'.
18539 * expr.h (expand_builtin_longjmp): Add extern prototype.
18541 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18543 * function.c (prepare_function_start): Likewise.
18544 (pop_function_context_from): Mark parameter `context' with
18546 (push_temp_slots_for_block, flush_addressof): Hide definition.
18548 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18549 solve_program_flow_graph, calculate_branch_probs,
18550 function_summary, main, fancy_abort): Add prototypes.
18552 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18553 (add_hash): Constify a char*.
18555 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18556 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18557 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18559 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18561 * lists.c (free_list, zap_lists): Likewise.
18563 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18565 * alias.c (nonlocal_reference_p): Add static prototype.
18567 * bitmap.c (bitmap_element_allocate): Prototype args in function
18570 * builtins.c (stabilize_va_list): Add static prototype.
18571 (expand_builtin_va_arg): Constify a char*.
18573 * c-lex.c (getch, put_back, extend_token_buffer_to,
18574 read_line_number, token_getch, token_put_back): Add static
18577 * c-parse.gperf (hash, is_reserved_word): Likewise.
18579 * cccp.c (is_dir_separator): Likewise.
18581 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18583 * graph.h: New file to prototype functions exported by graph.c.
18585 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18587 * graph.c: Include graph.h.
18589 * toplev.c: Likewise. Remove redundant prototypes.
18591 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18593 * invoke.texi: Removed duplicated description for -Q.
18595 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18597 * extend.texi: Grammar fix in __extension__ text.
18599 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18601 * md.texi (define_peephole2): New section.
18603 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18605 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18606 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18609 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18611 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18613 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18615 * i386.md (ffs expander): Emit Pentium friendly code for
18618 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18620 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18622 (build1): Likewise.
18624 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18626 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18628 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18630 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18631 register is in use.
18633 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18635 * md.texi (No Constraints): Delete section.
18636 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18637 * final.c (final_scan_insn): We always have register constraints.
18638 * genattrtab.c: Don't include "insn-config.h".
18639 (write_attr_case): We always have register constraints.
18640 * genconfig.c (register_constraint_flag): Delete.
18641 (walk_insn_part): Don't check whether we have register constraints.
18642 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18643 * genoutput.c (have_constraints): Delete.
18644 (main): Don't set it.
18645 (output_operand_data): We always have constraints.
18646 (scan_operands): Likewise.
18647 (compare_operands): Likewise.
18648 * local-alloc.c (block_alloc): We always have constraints.
18649 (requires_inout): Always compile this function.
18650 * recog.c (extract_insn): We always have constraints.
18651 (constrain_operands, reg_fits_class_p): Always compile these
18653 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18655 (struct insn_operand_data): Likewise.
18656 * regclass.c (regclass): We always have constraints.
18657 (record_reg_classes, copy_cost, record_address_regs,
18658 auto_inc_dec_reg_p): Always compile these functions.
18659 * regmove.c (regmove_optimize): We always have constraints.
18660 * reload.c (find_reloads): Likewise.
18661 * reload1.c (reload): Likewise.
18662 (reload_cse_simplify_operands): Likewise.
18663 * i860.c (output_delay_insn): Likewise.
18665 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18667 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18669 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18671 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18672 for the va_list record.
18674 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18676 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18679 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18681 * alias.c: Include insn-flags.h.
18682 * Makefile.in (alias.o): Update.
18684 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18686 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18687 to LTU and GEU. Handle more cases using sbb.
18689 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18691 * i386.md (truncatexfdf splitters): Do not use subreg.
18692 (fop XFmode patterns): Fix mode in operand testing.
18694 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18696 * jump.c (jump_optimize_1): Amend last change to test only the
18697 form of the operand, not the insn.
18699 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18700 not register_operand to determine when B may need preloading.
18702 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18704 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18705 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18706 (call-value patterns): Move to end of file.
18707 (*): Remove mode from label_ref in (pc) context.
18708 (movstrqi): Use memory not general_operand for BLKmode operands.
18709 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18710 to register_operand operands.
18711 (peep2 patterns): Convert from commented-out peephole patterns.
18713 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18715 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18716 to BUILT_IN_INIT_DWARF_REG_SIZES.
18717 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18718 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18719 expand_builtin_init_dwarf_reg_sizes.
18720 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18721 with __builtin_init_dwarf_reg_size_table.
18722 * dwarf2out.c (struct reg_size_range): Delete.
18723 (expand_builtin_init_dwarf_reg_sizes): New function.
18724 (expand_builtin_dwarf_reg_size): Delete.
18725 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18726 (expand_builtin_dwarf_reg_size): Don't declare.
18727 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18728 (dwarf_reg_size_table): New.
18729 (init_reg_size_table): New function.
18730 (copy_reg): Use dwarf_reg_size_table.
18731 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18734 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18736 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18737 Correctly build argument list to constructor and destructor functions.
18739 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18741 * c-tree.h (warn_float_equal): Declare.
18742 * c-decl.c (warn_float_equal): Define.
18743 (c_decode_option): Recognize -W[no-]float-equal.
18744 * c-typeck.c (build_binary_op): Conditionally warn
18745 about equality tests of floating point types.
18746 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18747 * invoke.texi: Add docs for -Wfloat-equal warning.
18749 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18751 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18752 generating RTL directly.
18753 * mips.h (INIT_TARGET_OPTABS): Likewise.
18754 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18756 * expr.h (init_mov_optab): Delete declaration
18758 * h8300.c (WORD_REG_USED): Update to avoid useless register
18759 saves in interrupt functions and functions which never return.
18761 * cse.c (struct set): Delete inner_dest_loc field.
18762 (cse_insn): Remove assignments to inner_dest_loc field.
18764 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18766 * ggc-page.c: Don't include <unistd.h> etc taken care of
18767 by "system.h". Include <sys/mman.h> afterward.
18769 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18771 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18774 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18776 * xcoffout.c (xcoffout_declare_function): Add documentation.
18777 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18778 TARGET_64BIT. Compare constant to -1, not bit pattern.
18779 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18780 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18783 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18785 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18786 origin_die is NULL.
18787 (gen_inlined_enumeration_type_die): Do not abort if the type has
18788 not been writeen out.
18789 (gen_inlined_structure_type_die): Do not abort if the type has
18790 not been writeen out.
18791 (gen_inlined_union_type_die): Do not abort if the type has
18792 not been writeen out.
18793 (gen_tagged_type_instantiation_die): Do not abort if the type
18794 has not been written out.
18796 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18798 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18800 * reg-stack.c (straighten_stack): Copy hard reg set with
18803 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18805 * builtins.c (stabilize_va_list): Stabilize array type va_list
18806 to a pointer type, not the base record type.
18807 (expand_builtin_va_copy): Dereference the pointers explicitly;
18808 use the correct size for the copy.
18810 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18811 (rs6000_va_arg): Likewise.
18813 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18815 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18817 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18819 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18821 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18823 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18825 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18826 (init_ggc): Use it instead of a constant.
18827 (ggc_collect): Bound allocated_last_gc by it.
18829 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18831 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18834 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18836 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18837 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18838 * configure: Regen.
18839 * config/mips/openbsd.h: New, OpenBSD little endian target.
18840 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18841 * config/mips/xm-openbsd.h: New, OpenBSD host.
18843 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18845 * config/m68k/m68k.c (output_function_prologue,
18846 output_function_epilogue): Use
18847 current_function_uses_pic_offset_table instead of regs_ever_live
18848 to decide whether to save/restore pic register.
18849 (legitimize_pic_address): Don't modify regs_ever_live any more.
18851 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18853 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18854 * stor-layout.c (variable_size): Don't add sizes to the pending
18855 sizes list if x_dont_save_pending_sizes_p is set.
18857 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18859 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18860 for symbolic_operand().
18861 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18863 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18865 * combine.c (gen_rtx_combine): Add missing call to va_end().
18867 * final.c (asm_fprintf): Likewise.
18869 * genattrtab.c (attr_rtx): Likewise.
18871 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18873 * cse.c: Update comments.
18874 (cse_insn): When converting a conditional/computed jump into
18875 an unconditional jump, always make sure a BARRIER immediately
18876 follows the converted jump. Do not delete unreachable code.
18877 (cse_basic_block): Do not delete unreachable code.
18878 * toplev.c (rest_of_compilation): Move call to
18879 delete_trivially_dead_insns after the conditional call to
18882 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18884 * collect2.c (make_temp_file): Don't prototype.
18886 * gcc.c (make_temp_file): Likewise.
18888 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18890 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18892 * varasm.c (asm_emit_uninitialised): New function: Generate
18893 the assembler statements necessary to declare an uninitialised
18895 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18897 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18898 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18900 (assemble_variable): Use asm_emit_uninitialised to emit an
18901 uninitialised variable.
18903 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18905 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18906 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18907 <geoffk@cygnus.com>.
18909 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18911 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18912 * c-common.h (builtin_function): Don't declare.
18914 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18916 (pushdecl): Likewise.
18917 (finish_decl): Likewise.
18918 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18919 int. All callers changed.
18920 Set the builtin's DECL_BUILT_IN_CLASS.
18921 * tree.h (enum built_in_class): New.
18922 (enum built_in_function): Delete NOT_BUILT_IN.
18923 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18925 (DECL_SET_FUNCTION_CODE): Likewise.
18926 (DECL_BUILT_IN_CLASS): New macro.
18927 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18928 (struct tree_decl): Split builtin function code field into a
18930 (builtin_function): Declare.
18932 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18934 * optabs.c (init_traps): Fix typo in last change.
18936 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18938 * toplev.c (rest_of_decl_compilation): Update comment.
18940 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18942 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18943 in .sbss if appropriate.
18944 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18945 (SBSS_SECTION_ASM_OP): New macro.
18946 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18947 (EXTRA_SECTIONS): Add in_sbss.
18948 * config/mips/mips.h: Prototype sbss_section.
18950 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18952 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18955 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18957 * optabs.c (init_traps): Register trap_rtx as a GC root.
18959 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18961 * config/mips/mips.c (function_arg_pass_by_reference): Define
18962 unconditionally, since it's called unconditionally.
18964 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18966 * toplev.c (documented_lang_options): Add -fshort-wchar.
18967 * c-decl.c (c_decode_option): Likewise.
18968 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18970 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18971 * gcc.c (default_compilers): If -fshort-wchar,
18972 override __WCHAR_TYPE__.
18973 * tm.texi (C Dialect Options): Add -fshort-wchar.
18975 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18976 symbol for a variable.
18978 * cpplib.h (CPP_PREPROCESSED): New macro.
18979 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18980 we're seeing this input for a second time.
18982 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18984 * emit-rtl.c (init_emit_once): Initialize modes first.
18986 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18988 * config/i386/i386.c (pic_label_name): Change to char pointer.
18989 (global_offset_table): New variable.
18990 (load_pic_register): Fill global_offset_table if it hasn't
18991 already been done. Allocate pic_label_name dynamically.
18992 * ggc.h (empty_string): New variable.
18993 * ggc-simple.c (empty_string): Likewise.
18994 (init_ggc): Allocate empty_string and add as root.
18995 * stmt.c (digit_strings): New variable.
18996 (init_stmt): Add last_block_end_note as root. Allocate and
18997 initialize digit_strings.
18998 (expand_asm_operands): Use empty_string instead of string
18999 constant. Use digit_strings instead of string constants.
19000 * profile.c (init_arc_profiler): Allocate string with
19001 ggc_alloc_string instead of xmalloc.
19002 (output_func_start_profiler): Likewise.
19003 * c-typeck.c (digest_init): Check if init is error_mark_node.
19005 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
19006 Richard Henderson <rth@cygnus.com>
19008 * ggc-page.c: New file.
19009 * Makefile.in (ggc-page.o): New.
19011 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
19013 * invoke.texi: Document -fdelete-null-pointer-checks
19014 * toplev.c (flag_delete_null_pointer_checks): New.
19015 (f_options): Add entry for -fdelete-null-pointer-checks.
19016 (rest_of_compilation): Conditionalize null pointer check
19017 elimination on flag_delete_null_pointer_checks.
19018 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
19020 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
19022 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
19023 copyright notice and special exception to GPL.
19025 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19027 * abi64.h (mips_function_value): Add prototype arguments.
19029 * mips-protos.h: New file with mips prototypes.
19031 * mips.c: Include "tm_p.h".
19032 (mktemp, lookup_name): Add prototype arguments.
19033 (extern_list, string_constant, mips_fill_delay_slot,
19034 mips_output_external, mips_output_external_libcall,
19035 mips_output_filename, mips_declare_object, function_prologue,
19036 mips_expand_prologue, function_epilogue, mips16_constant,
19037 build_mips16_function_stub, mips_output_conditional_branch):
19039 (mips_va_start): Remove unused variable `u'.
19040 (mips_va_arg): Cast value to unsigned when comparing against one.
19042 (save_restore_insns, mips_expand_prologue): Add missing arg in
19043 call to `large_int'.
19045 * mips.h: Move prototypes to mips-protos.h.
19046 (data_section, memory_address_p, rdata_section,
19047 readonly_data_section, simple_epilogue_p, text_section): Delete
19048 prototypes delcared elsewhere.
19049 (mips_epilogue_delay_slots, print_options): Delete unused decls.
19051 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
19053 * mips.md: Delete extra args in call to `mips_move_2words'.
19055 * xm-iris6.h (alloca): Add prototype argument.
19057 * genpeep.c: Include "tm_p.h" in generated output file.
19059 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19061 * basic-block.h (find_edge_index): Change parameters.
19062 * flow.c (verify_edge_list): Pass basic_block parameters to
19063 find_edge_index instead of integers.
19065 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
19067 * combine.c (simplify_comparison): Use an unsigned shift to adjust
19070 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
19072 * gcc.1: Fix a formatting error.
19074 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
19076 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
19077 i786, mn10200, mn10300, pdp11, v850.
19079 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
19081 * libgcc2.c (num_digits): Add prototype with
19082 __attribute__((const)).
19083 (__terminate): Add prototype.
19085 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
19087 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
19089 * alpha/alpha.c (print_operand): Fix type of `code'.
19090 (alpha_output_filename): Constify.
19091 * alpha/alpha.h: Move all function declarations ...
19092 * alpha/alpha-protos.h: ... here. New file.
19093 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
19094 (SECTION_FUNCTION_TEMPLATE): Likewise.
19096 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19098 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
19099 * expr.c (expand_expr): Likewise.
19100 (do_jump): Likewise.
19101 (do_store_flag): Pass ccp_store_flag to can_compare_p.
19102 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
19104 (enum can_compare_purpose): New.
19105 (can_compare_p): Adjust prototype.
19106 (prepare_cmp_insn, prepare_operand): Declare.
19107 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
19108 * optabs.c (cmp_available_p): Deleted.
19109 (expand_abs): Pass ccp_jump to can_compare_p.
19110 (can_compare_p): New arg PURPOSE. Check for combined optabs.
19111 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
19112 Call can_compare_p rather than cmp_available_p.
19113 (prepare_operand): No longer static.
19114 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
19115 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
19116 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
19117 sequence to use emit_cmp_and_jump_insns.
19118 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
19120 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
19122 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
19123 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
19124 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
19125 (plus (reg) (const_int 0))
19126 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
19128 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
19130 * rs6000.c (expand_block_move): DImode loads and stores require
19131 word-aligned displacements. Increment address registers with
19132 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
19134 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
19136 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
19137 is no name for the base type, rather than segfault. If we are
19138 writing out a complex integer type, use DW_ATE_lo_user.
19140 * expr.c (emit_move_insn_1): If we are copying a complex that fits
19141 in one word or less (complex char, complex short, or on 64 bit
19142 systems complex float) to/from a hard register, copy it through
19143 memory instead of dying in gen_{real,imag}part. If we have a
19144 short complex type, prevent inlining since it allocates stack
19147 * tree.c (build_complex_type): If we are writing dwarf2 output,
19148 generate a name for complex integer types.
19150 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19152 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
19153 * flow.c (remove_edge): Remove extra whitespace.
19154 (remove_fake_edges): Fix comment.
19155 (add_noreturn_fake_exit_edges): Use the correct name.
19157 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
19159 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
19160 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
19161 (clean): Depend on INTL_CLEAN.
19162 (maintainer-clean): Adjust.
19164 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19166 * configure.in (AC_PREREQ): Bump to 2.13.
19167 (AC_C_STRINGIZE): Call this instead of using a custom macro.
19169 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
19171 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
19173 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
19175 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
19176 (HAVE_STRINGIZE): Define.
19178 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
19180 * c-parse.in: save and restore warn_pointer_arith on __extension__
19181 along with pedantic.
19182 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
19183 Set the type of extension to itype rather than $<itype>1 kludge.
19184 * extend.texi (Alternate Keywords): Adjust documentation.
19185 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
19187 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
19189 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
19190 most assembler templates.
19192 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
19193 FP loads and stores.
19194 (following_call): Always return zero for the PA8000.
19195 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
19196 FP loads and stores.
19197 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
19199 * pa.h (BRANCH_COST): Define.
19201 * pa.md (return, return_internal): Use bve for PA2.0.
19203 * pa.md (fused multiply): Add variants which reduce height for the
19204 fused multiply, but which still generate 2 insns.
19205 (fnegabs): Similarly.
19207 * pa.md (subsi3): Turn into an expander. Create two anonymous
19208 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
19209 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
19211 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
19213 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
19215 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
19216 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
19218 * regclass.c (init_regs): Add "top_of_stack" as a garbage
19221 * flow.c (record_active_eh_regions): Terminate loop after finding
19222 the last insn in the last basic block.
19224 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19226 * config/c4x/c4x.md: Delete parallel instruction peepholes.
19228 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19230 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
19232 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19234 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
19235 splitting to not use output template.
19237 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19239 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
19240 * config/c4x/c4x.c (c4x_va_start): New function.
19242 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
19244 * genrecog.c (not_both_true): Handle correctly cases when called for
19245 tests with different positions in the insn.
19247 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19249 * machmode.h (HOST_PTR_PRINTF): Move from here ...
19251 * system.h (HOST_PTR_PRINTF): ... to here.
19253 * mips-tfile.c: Don't include machmode.h.
19255 * Makefile.in (MACHMODE_H): New variable. Update to use it.
19256 (mips-tfile.o): Don't depend on machmode.h.
19258 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19260 * haifa-sched.c (sched_analyze): Rename local variable `region' to
19261 avoid conflicts with typedef struct `region' at the top level scope.
19263 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
19265 * basic-block.h (basic_block): Add eh_beg, eh_end.
19266 * flow.c (entry_exit_blocks): Update.
19267 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
19268 Call new functions.
19269 (find_basic_blocks_1): Don't record eh_list at each bb. Use
19270 lists.c functions to allocate insn lists.
19271 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
19273 (make_eh_edge): ... here. New.
19274 (move_stray_eh_region_notes): New.
19275 (record_active_eh_regions): New.
19276 (delete_unreachable_blocks): Split out block merging ...
19277 (try_merge_blocks): ... here. New.
19278 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
19279 Dump debugging data.
19280 (merge_blocks_move_successor_nojumps): Likewise.
19281 (merge_blocks): Use eh_beg+eh_end to validate block movement.
19283 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
19285 * extend.texi (Bound member functions): Document unbound pmf
19288 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19290 * flow.c (split_edge): Handle insertion on a fallthrough edge which
19291 has the EXIT_BLOCK as a dest.
19293 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19295 * flow.c (remove_edge): New function to remove an edge from the
19297 (remove_fake_successors): New function to remove fake successor edges.
19298 (remove_fake_edges): New function to remove all fake edges from the
19300 (add_fake_exit_edges): New function to add fake edges from all blocks
19301 with no successors to the exit block.
19302 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
19303 prototypes for new functions.
19305 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19307 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
19308 Use Pmode to determine whether to output .dword or .word.
19310 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
19312 * tree.c (built_in_filename): New variable.
19313 (BUILT_IN_FILENAME): New macro.
19314 (init_tree_codes): Allocate built_in_filename.
19315 (make_node): Use built_in_filename instead of string constant.
19317 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
19319 * configure.in: Add fr30 target.
19320 * configure: Regenerate.
19321 * config/fr30: New directory.
19322 * config/fr30/crti.asm: New file.
19323 * config/fr30/fr30.c: New file.
19324 * config/fr30/crtn.asm: New file.
19325 * config/fr30/fr30.h: New file.
19326 * config/fr30/fr30.md: New file.
19327 * config/fr30/lib1funcs.asm: New file.
19328 * config/fr30/t-fr30: New file.
19329 * config/fr30/xm-fr30.h: New file.
19331 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
19333 * flow.c (merge_blocks_move_successor_nojumps): Delete the
19334 BARRIER at the end of the successor, not the BARRIER before
19337 * pa.c (pa_add_gc_roots): Fix thinko in last change.
19339 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
19341 * stmt.c (any_pending_cleanups): Don't crash when
19342 current_function->stmt is unset.
19344 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19346 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
19347 other initializations that may use it for relative offsets.
19349 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19351 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
19352 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
19353 * config/i386/sol2dbg.h: Removed.
19354 * config/i386/sol2gas.h: New file, to enable gas work-around.
19355 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
19356 Don't use sol2dbg.h.
19357 * configure: Rebuilt.
19359 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
19361 * invoke.texi (-fthis-is-variable): Remove documentation.
19363 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
19365 * basic-block.h (compute_bb_for_insn): Declare.
19366 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
19367 to use; set size of basic_block_for_insn directly.
19368 (find_basic_blocks): Update.
19370 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19372 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
19374 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19376 * crtstuff.c (ON_EXIT): Delete empty macro definition.
19377 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
19379 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
19381 * c-decl.c (c_decode_option): Extend comment.
19383 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
19385 * toplev.c (progname): Make 'const char *'
19386 (flag_print_mem): Move out of main.
19387 (version_flag): Move out of main.
19388 (filename): Move out of main.
19389 (debug_args): Remove g prefix from options.
19390 (documented_lang_options): Remove cpplib specific options.
19391 (display_help): Add g prefix to debug options.
19392 (check_lang_option): Delete this function.
19393 (decode_d_option): New function: Decode -d... option.
19394 (decode_f_option): New function: Decode -f... option.
19395 (decode_W_option): New function: Decode -W... option.
19396 (decode_g_option): New function: Decode -g... option.
19397 (independent_decode_option): New function: Decode a language
19398 independent command line option.
19399 (main): Invoke lang_decode_option and then
19400 independent_decode_option on each command line option in
19403 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
19405 Revert this change. Gavin's patch to operand_equal_p is a better fix.
19406 * fold-const.c (fold_range_test): Do not try to fold the range
19407 test if the rhs or lhs has side effects.
19409 * basic-block.h (compute_flow_dominators): Declare.
19411 * gcse.c (alloc_code_hoist_mem): New function.
19412 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
19413 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
19414 (hoist_code, one_code_hoisting_pass): Likewise.
19415 (gcse_main): If optimizing for size, then hoist expressions
19416 computed in multiple dominated basic blocks.
19418 * gcse.c (invalid_nonnull_info): New function.
19419 (delete_null_pointer_checks): Likewise.
19420 * rtl.h (delete_null_pointer_checks): Declare.
19421 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
19423 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
19424 (merge-blocks_move_successor_nojumps): Likewise.
19425 (merge_blocks): Allow merging of some blocks, even if it requires
19426 physical movement of the blocks, but not if it requires new jumps.
19428 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
19429 Callers and prototype changed.
19430 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
19432 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19434 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
19435 -YP when both -p and -pg are present. From i386/sol2.h.
19437 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19439 * Makefile.in (distclean): Delete tm_p.h.
19440 * configure.in: Create a new file, "tm_p.h", from a list in
19441 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
19442 "i386/i386-protos.h".
19444 * alias.c: Include "tm_p.h".
19445 * c-typeck.c: Likewise.
19446 * calls.c: Likewise.
19448 * emit-rtl.c: Likewise.
19449 * explow.c: Likewise.
19450 * expmed.c: Likewise.
19451 * expr.c: Likewise.
19452 * final.c: Likewise.
19453 * flow.c: Likewise.
19454 * fold-const.c: Likewise.
19455 * function.c: Likewise.
19456 * gcse.c: Likewise.
19457 * global.c: Likewise.
19458 * haifa-sched.c: Likewise.
19459 * integrate.c: Likewise.
19460 * jump.c: Likewise.
19461 * local-alloc.c: Likewise.
19462 * loop.c: Likewise.
19463 * optabs.c: Likewise.
19464 * recog.c: Likewise.
19465 * reg-stack.c: Likewise.
19466 * regclass.c: Likewise.
19467 * regmove.c: Likewise.
19468 * reload.c: Likewise.
19469 * reload1.c: Likewise.
19470 * reorg.c: Likewise.
19471 * resource.c: Likewise.
19472 * stmt.c: Likewise.
19473 * stor-layout.c: Likewise.
19474 * toplev.c: Likewise.
19475 * tree.c: Likewise.
19476 * unroll.c: Likewise.
19477 * genattrtab.c (main): Make generated file include "tm_p.h".
19478 * genemit.c (main): Likewise.
19479 * genoutput.c (main): Likewise.
19480 * genrecog.c (main): Likewise.
19482 * i386.h: Delete all prototypes.
19483 * i386.c: Include "tm_p.h".
19484 (ix86_attr_length_default): Call constant_call_address_operand
19485 with correct number of arguments.
19486 * i386-protos.h: New file.
19487 * i386.md (unnamed patterns): Call constant_call_address_operand
19488 with correct number of arguments.
19489 (exception_receiver): Call load_pic_register with correct number
19492 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19494 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19496 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19498 * rtl.h (insns_safe_to_move_p): New function.
19499 * loop.c (find_and_verify_loops): Use it.
19500 * rtlanal.c (insns_safe_to_move_p): Define it.
19502 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19504 * c-pragma.c: Include ggc.h.
19505 * Makefile.in (c-pragma.o): Update.
19507 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19509 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19510 (LIB_SPEC): Likewise.
19511 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19512 Reindent -YP/-p/-pg.
19513 Copied from config/sparc/sol2.h.
19515 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19517 * c-pragma.c (mark_align_stack): New.
19518 (init_pragma): New.
19519 * c-pragma.h (init_pragma): Declare it.
19520 * c-lex.c (init_parse): Call it.
19522 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19524 * configure.in: Pick up thread library on Solaris/x86 just
19525 like on Solaris/sparc.
19526 * configure: Rebuilt.
19528 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19530 * rtl.h (global_rtx_index): New enum.
19531 (global_rtl): Change to array of rtx.
19532 (pc_rtx, cc0_rtx): Redefine accordingly.
19533 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19534 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19535 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19536 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19537 (const_int_rtx): Change to array of rtx.
19538 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19540 * emit-rtl.c (global_rtl): Change to array of rtx.
19541 (const_int_rtx): Change to aray of rtx.
19542 (gen_rtx_CONST_INT): Redefine accordingly.
19543 (init_emit_once): Allocate and initialize global_rtl. Likewise
19544 for const_int_rtx. Add both as GC roots.
19545 * genattrtab.c (global_rtl): Update declaration.
19547 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19549 * Makefile (USER_H): Add iso646.h back.
19551 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19553 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19554 zapping the LOG_LINKS of sched_before_next_call.
19556 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19557 * pa.c (insn_refs_are_delayed): Renamed from
19558 insn_sets_and_refs_are_delayed.
19560 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19562 * functiion.h (struct function): Add x_whole_function_mode_p.
19563 (retrofit_block): Declare.
19564 * function.c (retrofit_block): New function.
19565 (identify_blocks): Add assertions. Allow an incomplete set of
19566 block notes if we're still generating code for the function.
19567 * integrate.c: Include loop.h.
19568 (expand_inline_function): Call find_loop_tree_blocks to map block
19569 notes to blocks when in whole-function mode. Use retrofit_block
19570 to insert new BLOCKs for the inlined function, rather than
19572 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19573 * Makefile.in (integrate.o): Depend on loop.h.
19575 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19577 * tree.h (warn_about_unused_variables): Declare.
19578 * stmt.c (warn_about_unused_variables): New function, split out
19580 (expand_end_bindings): Here.
19582 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19584 * stmt.c (preserve_subexpressions_p): Don't crash when
19585 current_function->stmt is unset.
19587 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19589 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19590 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19591 (expand_start_target_temps): Use it.
19592 * except.c (expand_eh_region_start_for_decl): Likewise.
19593 * expr.c (expand_expr): Likewise.
19595 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19597 * fold-const.c (operand_equal_p): Pay attention to side effects.
19599 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19601 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19602 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19604 * tlink.c (scan_linker_output): Look for keywords before accepting
19605 a mangled name in quotes.
19607 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19609 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19610 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19612 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19614 * alpha.md: Revert Thu Nov 26 change that came in through the
19615 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19616 Avoid earlyclobber when possible.
19618 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19620 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19622 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19623 Define HAVE_ON_EXIT.
19625 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19627 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19628 CTYPE_CONV in all ctype macros.
19630 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19633 * cexp.y (initialize_random_junk): Likewise.
19635 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19637 * i370.c (handle_pragma): Likewise.
19639 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19641 * v850.c (override_options): Likewise.
19643 * doprint.c (_doprnt): Likewise.
19645 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19648 * fixinc/server.c (load_data): Likewise.
19650 * fold-const.c (real_hex_to_f): Likewise.
19652 * genattr.c (write_upcase, gen_attr): Likewise.
19654 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19655 write_upcase): Likewise.
19657 * genemit.c (print_code): Likewise.
19659 * genopinit.c (gen_insn): Likewise.
19661 * genpeep.c (print_code): Likewise.
19663 * genrecog.c (print_code): Likewise.
19665 * optabs.c (init_libfuncs): Likewise.
19667 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19669 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19671 (reemit_notes): Likewise.
19673 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19675 * ggc.h (ggc_root): Move to ggc-common.c.
19677 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19678 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19679 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19680 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19681 * ggc-common.c (ggc_root): Move from ggc.h.
19682 (roots): Declare, static.
19683 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19684 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19685 null or check/set mark bit.
19686 (ggc_mark_roots): New.
19687 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19689 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19691 * m32r.c: Include toplev.h.
19692 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19693 (gen_compare): Rename swap_p to must_swap to match uses.
19694 Add default abort case.
19695 (m32r_output_function_epilogue): Remove unused variables.
19696 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19697 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19698 define to empty parameter list. Update all uses.
19699 (predicate decls): Use enum machine_mode not int.
19700 * m32r.md (movsi): Call abort, not fatal_insn.
19701 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19703 1999-09-14 Andrew Haley <aph@cygnus.com>
19705 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19706 use $0 instead of 0.
19708 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19710 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19711 computation out of loop over hard regs.
19713 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19715 * function.c (identify_blocks): Don't shadow a variable in an
19717 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19718 pushdecl, or poplevel to build up the new BLOCK tree.
19719 (expand_inline_function): Likewise.
19720 (integrate_parm_decls): Likewise.
19722 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19724 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19726 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19728 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19729 * invoke.texi: Document this change.
19731 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19733 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19735 (mark_emit_status): Renamed from mark_emit_state.
19736 * except.c (mark_eh_status): Renamed from mark_eh_state.
19737 Check not null before marking.
19738 (free_eh_status): New.
19739 * expr.c (mark_expr_status, free_expr_status): New.
19740 * function.c (free_machine_status): New.
19741 (free_after_parsing): New.
19742 (free_after_compilation): Move bits to free_after_parsing; call
19743 free_eh_status, free_expr_status; zero the marked members of the
19745 (prepare_function_start): No can_garbage_collect.
19746 Call init_eh_for_function.
19747 (expand_dummy_function_end): Free up current_function state.
19748 (mark_function_status): Renamed from mark_function_state.
19749 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19750 * function.h (struct function): No can_garbage_collect.
19751 (free_machine_status, free_after_parsing): Declare.
19752 (free_eh_status, free_expr_status): Declare.
19753 * ggc.h (mark_expr_status): Declare.
19754 * stmt.c (free_stmt_status): Free the struct.
19755 (mark_stmt_status): Renamed from mark_stmt_state.
19756 (init_stmt): Don't call init_eh.
19757 (init_stmt_for_function): Don't call init_eh_for_function.
19758 * toplev.c (compile_file): Call init_eh.
19759 (rest_of_compilation): Free basic block info before ggc_collect.
19760 Call free_after_parsing; conditionally call free_after_compilation.
19761 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19762 Check not null before marking.
19763 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19765 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19767 * c-lex.c (yylex): Initialize warn.
19769 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19771 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19772 register when performing secondary reloads for the SAR register.
19774 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19776 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19777 (NOTE_BLOCK): New macro.
19778 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19779 * function.h (identify_blocks): Change prototype.
19780 * function.c (identify_blocks): Simplify.
19781 (reorder_blocks): Likewise.
19782 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19783 NOTE_INSN_BLOCK_{BEG,END}.
19784 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19785 the list of saved notes if the note isn't a
19786 NOTE_INSN_BLOCK_{BEG,END}.
19787 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19789 (reemit_notes): Adjust recreation of notes to reflect new saved
19791 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19792 printing a block note.
19793 * stmt.c (block_vector): Remove.
19794 (find_loop_tree_blocks): Simplify.
19795 (unroll_block_trees): Likewise.
19796 * tree.h (reorder_block): Change prototype.
19798 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19800 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19801 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19802 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19803 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19804 (atexit, exit): Simplify.
19805 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19806 * config/lots: Remove defns of HAVE_ATEXIT.
19808 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19810 * calls.c (precompute_arguments): Fix typo in comment.
19811 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19814 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19816 * dsp16xx.c (override_options): Fix typos in GC root registration.
19818 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19820 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19821 from config/svr4.h.
19822 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19823 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19824 (CC1_SPEC): Likewise.
19826 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19828 * genattr.c (main): Add extern prototype. Call return, not exit.
19829 * genattrtab.c (main): Likewise.
19830 * gencheck.c (main): Likewise.
19831 * gencodes.c (main): Likewise.
19832 * genconfig.c (main): Likewise.
19833 * genemit.c (main): Likewise.
19834 * genextract.c (main): Likewise.
19835 * genflags.c (main): Likewise.
19836 * gengenrtl.c (main): Likewise.
19837 * genopinit.c (main): Likewise.
19838 * genoutput.c (main): Likewise.
19839 * genpeep.c (main): Likewise.
19840 * genrecog.c (main): Likewise.
19842 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19843 * genattrtab.c (get_insn_name): Likewise.
19844 * gencodes.c (get_insn_name): Likewise.
19845 * genconfig.c (get_insn_name): Likewise.
19846 * genemit.c (get_insn_name): Likewise.
19847 * genextract.c (get_insn_name): Likewise.
19848 * genflags.c (get_insn_name): Likewise.
19849 * genopinit.c (get_insn_name): Likewise.
19850 * genpeep.c (get_insn_name): Likewise.
19852 * gencheck.c (usage): Add static prototype.
19853 * genextract.c (print_path): Constify a char*.
19854 * genopinit.c (optabs): Likewise.
19855 * genoutput.c (operand_data, data, output_predicate_decls,
19856 compare_operands): Likewise.
19857 * genrecog.c (write_tree): Add default case in switch.
19859 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19861 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19863 * print-rtl.c (get_insn_name): Remove prototype.
19865 * toplev.h (progname): Declare const.
19867 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19868 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19869 dump_sched_info, dump_local_alloc, regset_release_memory,
19870 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19871 error_with_file_and_line, error_with_decl, error_for_asm, error,
19872 fatal, warning_with_file_and_line, warning_with_decl, warning,
19873 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19874 Remove redundant prototypes.
19876 (notice, check_lang_option, report_file_and_line, vnotice,
19877 mark_file_stack): Add static prototype.
19878 (set_fatal_function): Add prototype.
19879 (vnotice, report_file_and_line, set_fatal_function,
19880 check_lang_option): Constify a char*.
19881 (main): Prototype. Call return, not exit.
19883 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19885 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19887 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19889 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19891 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19893 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19895 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19896 behave as if it's zero in all cases.
19897 (expand_function_start): Adjust call to assign_parms.
19898 * tree.h (assign_parms): Adjust prototype.
19899 * objc/objc-act.c (hack_method_prototype): Adjust call to
19902 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19904 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19905 arg_pointer_rtx fixed if the argument pointer register is
19907 (NONZERO_BASE_PLUS_P): Likewise.
19909 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19911 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19912 match_insn2 to match_insn.
19913 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19915 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19917 * Makefile.in (USER_H): Remove va-foo.h.
19919 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19920 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19921 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19922 va-spur.h,va-v850.h}: Remove.
19924 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19926 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19927 (in_return_delay): Use it instead of match_insn.
19929 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19931 * config/alpha/va_list.h (va-alpha.h): Do not include.
19932 (__gnuc_va_list): Typedef as in varargs.h.
19934 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19936 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19937 DECL_LIVE_RANGE_RTL.
19939 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19941 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19942 not NOTE_BLOCK_NUMBER.
19943 (expand_eh_region_end): Likewise.
19944 (find_exception_handler_labels): Likewise.
19945 (scan_region): Likewise.
19946 (exception_optimize): Likewise.
19947 (update_rethrow_references): Likewise.
19948 (set_insn_eh_region): Likewise.
19949 * final.c (final_scan_insn): Likewise.
19950 * flow.c (make_edges): Likewise.
19951 * integrate.c (expand_inline_function): Likewise.
19952 * print-rtl.c (print_rtx): Likewise.
19954 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19956 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19957 terms of builtin functions and types.
19959 * mips.c (mips_build_va_list): New.
19960 (mips_va_start, mips_va_arg): New.
19961 * mips.h (BUILD_VA_LIST_TYPE): New.
19962 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19964 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19965 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19966 * sh.h (BUILD_VA_LIST_TYPE): New.
19967 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19969 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19971 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19972 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19973 (struct insn_data): Likewise with n_operands, n_dups,
19974 n_alternatives, output_format.
19975 * regclass.c (scan_one_insn): Cast n_operands to int before
19976 arithmetic inside comparison.
19978 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19980 * toplev.c (compile_function): Unconditionally emit nop.
19982 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19984 * haifa-sched.c (actual_hazard): Move declaration of variable
19985 `this_cost' into the scope where it is used.
19987 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19989 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19990 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19991 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19993 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19995 * jump.c (find_insert_position): Don't declare or define unless
19996 !HAVE_conditional_arithmetic.
19997 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19999 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
20001 * recog.c (offsettable_address_p): Prototype function pointer.
20002 (preprocess_constraints): Call memset, not bzero.
20004 * tree.c (tree_node_kind_names): Constify a char*. Make static.
20005 (gcc_obstack_init): Don't declare.
20006 (fix_sizetype): Add static prototype.
20007 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
20008 (tree_cons): Call memset, not bzero.
20010 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
20011 definition in macro ASM_WEAKEN_LABEL.
20012 (mark_const_hash_entry): Add static prototype.
20014 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20016 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
20018 * unroll.c (find_common_reg_term, subtract_reg_term,
20019 loop_find_equiv_value): Add static prototypes.
20020 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
20021 (copy_loop_body): Remove unreachable break statement.
20023 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
20025 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
20027 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20029 Undo some changes from the gcc2 merge:
20030 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
20031 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
20035 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
20036 * emit-rtl.c (gen_lowpart_common): Disable optimization of
20037 initialized float-int union if the value is a NaN.
20039 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
20041 * gthr-win32.h: New file.
20043 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
20044 shared as a valid attribute.
20045 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
20046 * extend.texi: Document `shared' variable attribute.
20048 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
20050 * configure.in: Handle --enable-threads on FreeBSD.
20051 * configure: Rebuit.
20053 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20055 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
20057 * configure: Rebuilt.
20059 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
20060 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
20061 Rosimildo DaSilva <rdasilva@connecttel.com>
20063 * configure.in (m68k-*-rtemscoff*): Added.
20064 * configure.in (mips64orion-*-rtems*): Converted to ELF.
20065 * configure.in (sparc-*-rtemsaout*): Added as alias for old
20066 sparc-rtems configuration.
20067 * configure.in (sparc-*-rtemself*): Added.
20068 * configure.in (sparc-*-rtems*): Now ELF not a.out.
20069 * config/i386/rtems.h: Added comment.
20070 * config/sparc/rtemself.h: New file.
20072 * configure.in (m68k-rtemself): Added.
20073 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
20074 and DWARF_DEBUGGING_INFO.
20075 * config/m68k/crti.s: New file.
20076 * config/m68k/crtn.s: New file.
20077 * config/m68k/t-crtstuff: New file.
20078 * config/m68k/rtemself.h: New file.
20080 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
20081 global ctor/dtor and C++ exception handling.
20082 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
20083 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
20085 * config/i386/t-rtems-i386: New File.
20087 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
20089 * stmt.c (expand_end_case): Return right away if the case stack is
20092 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
20094 * Makefile.in (version.c): Remove rule incorrectly brought in from
20097 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
20099 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
20100 * msdos/top.sed: Take into account a prepended $(SHELL) to
20102 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
20104 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
20106 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20108 * regmove.c (fixup_match_1): Don't change an unchanging register.
20109 (stable_but_for_p): Renamed to:
20110 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
20111 Changed all callers.
20113 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
20115 * loop.c (strength_reduce): Don't call reg_used_between_p if the
20116 insn from BL2 is after the insn from BL.
20118 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
20120 * recog.h (INSN_OUTPUT_FORMAT_*): New.
20121 (struct insn_data): Merge `template' and `outfun' into `output'.
20122 Add `output_format'.
20123 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
20124 (struct data): Remove `outfun'; add `output_format'.
20125 (name_for_index): Remove declaration.
20126 (output_insn_data): Handle output formats.
20127 (process_template): Emit the bare array for @.
20128 (gen_expand, gen_split): Set output_format to NONE.
20129 * output.h (get_insn_template): Declare.
20130 * final.c (get_insn_template): New.
20131 (final_scan_insn): Use it.
20132 * toplev.c (compile_file): Likewise.
20134 * c4x/c4x.c (c4x_process_after_reload): Likewise.
20135 * i860/i860.c (output_delayed_branch): Likewise.
20136 (output_delay_insn): Likewise.
20138 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20140 * rtl.c (obstack_alloc_rtx): Removed.
20142 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
20144 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
20146 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
20148 * i386.c (call_insn_operand): Reject const_int.
20149 (expander_call_insn_operand): Use call_insn_operand.
20151 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20153 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
20155 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
20157 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
20158 Use DImode operation.
20160 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
20162 * gcc.c: Include sys/resource.h.
20163 (report_times): New flag.
20164 (execute): If report_times is set, calculate and report the
20165 CPU time consumed by each subprocess.
20167 (rus, prus): New globals.
20168 (option_map): Add --time.
20169 (display_help): Document -time.
20170 (process_command): Set report_times if -time is given.
20171 Turn off -pipe if -time is given.
20173 * invoke.texi: Document new option -time.
20175 * configure.in: Check for getrusage. Check if we have to
20176 prototype getrusage.
20177 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
20178 * configure: Regenerate.
20179 * config.in: Regenerate.
20181 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
20183 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
20186 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
20188 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
20189 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
20190 (nan): Return _thenan_sf or _thenan_df as appropriate.
20191 (L_thenan_sf): Define _thenan_sf.
20192 (L_thenan_df): Define _thenan_df.
20194 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
20195 (DPBIT_FUNCS): Add _thenan_df.
20197 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
20199 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
20202 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20204 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
20207 (lang_specific_driver): Don't take a function pointer parameter.
20208 All callers changed.
20210 * gcc.c: Include gcc.h.
20211 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
20212 lang_specific_extra_outfiles, fatal): Don't declare.
20213 (multilib_defaults_raw): Constify.
20214 (read_specs): Call memset, rather than bzero.
20215 (main): Call return, not exit.
20216 (lookup_compiler): Call memcpy, not bcopy.
20217 (fatal): Make extern.
20219 * cppspec.c: Include gcc.h.
20220 (lang_specific_driver): Initialize variable `quote'. Constify a
20221 char*. All calls to the function pointer parameter now
20222 explicitly call `fatal'.
20224 * gccspec.c (lang_specific_driver): Include gcc.h.
20226 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
20228 * arm.c (note_invalid_constants): Use recog_data.operand_type
20231 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20233 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
20236 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
20237 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20238 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20239 reload_secondary_in_reload, reload_secondary_out_reload,
20240 reload_secondary_in_icode, reload_secondary_out_icode,
20241 reload_reg_rtx, reload_when_needed): Delete declarations.
20242 (struct reload): New structure.
20243 (rld): Declare new array.
20244 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
20245 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20246 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20247 reload_secondary_in_reload, reload_secondary_out_reload,
20248 reload_secondary_in_icode, reload_secondary_out_icode,
20249 reload_reg_rtx, reload_when_needed): Delete definitions.
20251 (whole file): Replace uses of the deleted arrays with uses of rld.
20252 * reload1.c (whole file): Replace uses of the deleted arrays with
20254 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
20255 explicit loops, not with bcopy.
20257 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
20259 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
20260 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
20261 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
20262 insn_name): Delete and consolidate into new structures.
20263 (insn_operand_predicate_fn): New.
20264 (insn_output_fn): New.
20265 (insn_gen_fn): New.
20266 (struct insn_operand_data): New.
20267 (struct insn_data): New.
20269 (OUT_FCN): Update for insn_data change.
20270 * builtins.c (expand_builtin_strlen): Likewise.
20271 (expand_builtin_memcmp): Likewise.
20272 * combine.c (make_extraction, simplify_comparison): Likewise.
20273 * cse.c (canon_reg, cse_insn): Likewise.
20274 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
20275 * expmed.c (store_bit_field, extract_bit_field): Likewise.
20276 (emit_store_flag): Likewise.
20277 * expr.c (convert_move, emit_block_move): Likewise.
20278 (clear_storage, emit_push_insn, expand_increment): Likewise.
20279 (do_store_flag): Likewise.
20280 * expr.h (GEN_FCN): Likewise.
20281 (insn_gen_function): Die.
20282 * final.c (final_scan_insn): Update for insn_data change.
20283 (output_asm_name): Likewise.
20284 * function.c (fixup_var_refs_1): Likewise.
20285 * loop.c (check_dbra_loop): Likewise.
20286 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
20287 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
20288 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
20289 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
20290 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
20291 * regmove.c (gen_add3_insn): Likewise.
20292 * reload.c (push_secondary_reload, combine_reloads): Likewise.
20293 (find_reloads, find_reloads_address_1): Likewise.
20294 (debug_reload_to_stream): Likewise.
20295 * reload1.c (emit_reload_insns, gen_reload): Likewise.
20296 * stmt.c (expand_end_case): Likewise.
20297 * toplev.c (compile_file): Likewise.
20299 * c4x/c4x.c (c4x_process_after_reload): Likewise.
20300 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20302 * print-rtl.c (insn_name_ptr): Remove declaration.
20303 (get_insn_name): Declare.
20304 (print_rtx): Use it.
20305 * genoutput.c (insn_name_ptr): Remove.
20306 (next_operand_number): New.
20307 (struct operand_data): New.
20308 (null_operand, odata, odata_end): New.
20309 (struct data): Use struct operand_data.
20310 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
20311 (get_insn_name): Renamed from name_for_index.
20312 (output_prologue): Define NO_MD_PROTOTYPES.
20313 (output_predicate_decls): Break out from output_epilogue.
20314 Iterate over the operands list.
20315 (output_operand_data): Break out from output_epilogue. Emit
20316 just the operands list.
20317 (output_insn_data): Break out from output_epilogue. Emit just
20319 (output_epilogue): Remove.
20320 (output_get_insn_name): New.
20321 (constraints, op_n_alternatives, predicates, address_p): Die.
20322 (modes, strict_low, seen): Die.
20323 (scan_operands): Take new param `d' instead of writing to
20324 seven global variables.
20325 (compare_operands): New.
20326 (place_operands): New.
20327 (validate_insn_alternatives): Update for struct data change.
20328 (gen_insn): Don't zero or copy 7 global arrays. Update for
20329 scan_operands; call place_operands.
20330 (gen_peephole, gen_expand, gen_split): Likewise.
20331 (main): Update for new output routines.
20333 * genattr.c (insn_name_ptr): Remove.
20334 (get_insn_name): New function.
20335 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
20336 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
20337 * genrecog.c: Likewise.
20339 * alpha.md (adddi3): Make `pattern' array static.
20341 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20343 * config/c4x/c4x.h (c4x_rpts_cycles_string,
20344 c4x_cpu_version_string): Constify char *.
20345 * config/c4x/c4x.c (c4x_rpts_cycles_string,
20346 c4x_cpu_version_string): Likewise.
20348 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
20350 * tree.c (save_tree_status): Revert 10 Sep change.
20351 (restore_tree_status): Likewise. Call obstack_free with NULL
20352 before freeing the obstack proper.
20354 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
20356 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
20358 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
20359 surrounding context.
20361 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
20363 * tree.c (type_hash_canon): Put all types in the hash-table, when
20366 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
20368 * recog.h (struct recog_data, recog_data): New.
20369 (recog_foo variables): Kill.
20370 * recog.c (recog_operand, recog_operand_loc): Kill.
20371 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
20372 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
20373 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
20374 (recog_data): Define.
20375 (extract_insn): Update all recog_foo references to use recog_data.
20376 (preprocess_constraints, constrain_operands): Likewise.
20377 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
20378 * genattrtab.c (main): Likewise.
20379 * genextract.c (main): Likewise.
20380 * genoutput.c: Likewise.
20381 * genrecog.c (write_subroutine, main): Likewise.
20382 * local-alloc.c (block_alloc): Likewise.
20383 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
20384 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
20385 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
20386 * reload.c (find_reloads, find_reloads_toplev): Likewise.
20387 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
20388 (reload_cse_simplify_operands): Likewise.
20390 * arc/arc.c (arc_final_prescan_insn): Likewise.
20391 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
20392 * h8300/h8300.c (notice_update_cc): Likewise.
20393 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
20394 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20395 * mn10200/mn10200.c (notice_update_cc): Likewise.
20396 * mn10300/mn10300.c (notice_update_cc): Likewise.
20397 * romp/romp.c (update_cc): Likewise.
20398 * sparc/sparc.c (check_pic): Likewise.
20399 * v850/v850.c (notice_update_cc): Likewise.
20401 * genemit.c (main): Don't declare recog_operand.
20403 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
20405 * ggc.h (rtvec_def): Forward declare.
20406 (tree_node): Likewise.
20407 (ggc_root): Define.
20409 (ggc_set_mark_rtx): Add prototype.
20410 (ggc_set_mark_rtvec): Likewise.
20411 (ggc_set_mark_tree): Likewise.
20412 * ggc-simple.c (ggc_root): Don't define.
20413 (roots): Don't declare.
20414 (ggc_mark_rtx): Remove.
20415 (ggc_mark_rtvec): Likewise.
20416 (ggc_mark_tree): Likewise.
20417 (ggc_mark_varray): Likewise.
20418 (ggc_mark_tree_hash_table_entry): Likewise.
20419 (ggc_mark_tree_hash_table): Likewise.
20420 (ggc_set_mart_rtx): New function.
20421 (ggc_set_mark_rtvec): Likewise.
20422 (ggc_set_mark_tree): Likewise.
20423 (ggc_add_root): Remove.
20424 (ggc_add_rtx_root): Likewise.
20425 (ggc_remove_tree_root): Likewise.
20426 (ggc_add_string_root): Likewise.
20427 (ggc_add_tree_varray_root): Likewise.
20428 (ggc_add_tree_hash_table_root): Likewise.
20429 (ggc_del_root): Likewise.
20430 (ggc_mark_rtx_ptr): Likewise.
20431 (ggc_mark_tree_ptr): Likewise.
20432 (ggc_mark_string_ptr): Likewise.
20433 (ggc_mark_tree_varray_ptr): Likewise.
20434 (ggc_mark_tree_hash_table_ptr): Likewise.
20435 * ggc-common.c: New file.
20436 * Makefile.in (OBJS): Add ggc-common.o.
20437 (ggc-common.o): List dependencies.
20439 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
20441 * cppalloc.c (xstrdup): Use memcpy.
20442 * cpperror.c (cpp_print_containing_files): Don't use
20444 * cpplib.c (conditional_skip): Set temp->lineno.
20445 (do_endif): Make error message less obscure.
20446 (if_directive_name): New function.
20447 (cpp_get_token [case EOF]): Unwind the if stack and generate
20448 error messages for each unterminated conditional in this file.
20449 (parse_string): Do not behave differently if -traditional.
20451 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
20453 * builtins.c (expand_builtin_va_arg): Cope with an array-type
20454 va_list decomposing to pointer-type.
20455 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
20456 (rs6000_va_arg): Likewise.
20458 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
20460 * except.c (start_dynamic_handler): Compute size using
20461 STACK_SAVEAREA_MODE.
20463 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20465 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
20466 include directory headers. Don't define strrchr. Don't provide
20467 my_* replacement functions. Prefer PTR over `pointer_type'.
20468 Don't prototype system functions. Don't redefine getopt.
20470 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
20471 safe_read, safe_write, save_pointers, restore_pointers,
20472 is_id_char, in_system_include_dir, directory_specified_p,
20473 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
20474 find_corresponding_lparen, referenced_file_is_newer,
20475 save_def_or_dec, munge_compile_params, gen_aux_info_file,
20476 process_aux_info_file, identify_lineno, check_source,
20477 seek_to_line, forward_to_next_token_char, output_bytes,
20478 output_string, output_up_to, other_variable_style_function,
20479 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
20480 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
20481 find_static_definition, connect_defs_and_decs, add_local_decl,
20482 add_global_decls, needs_to_be_converted, visit_each_hash_node,
20483 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
20484 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
20485 scan_for_missed_items, edit_file, string_list_cons): Add static
20487 (standard_exec_prefix, target_machine, target_version,
20488 default_syscalls_dir, string_list, string_list_cons, find_file,
20489 do_cleaning): Constify a char*.
20490 (safe_read, safe_write): Use PTR, not a char*.
20491 (is_id_char): Take an int, not a char.
20492 (main): Add prototype. Call return, not exit.
20494 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20496 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20497 when comparing types.
20499 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20501 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20502 (strength_reduce): Release the varrays from the no-bivs early exit.
20504 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20505 the loop over the registers.
20507 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20509 (restore_tree_status): Check that instead when freeing the obstack.
20511 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20513 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20516 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20518 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20519 operand size modifiers.
20521 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20523 * c-common.c (c_common_nodes_and_builtins): Don't build
20525 * c-common.h (enum c_tree_index and related accesor macros): Remove
20526 everything now declared in tree.h.
20527 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20528 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20529 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20530 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20531 unsigned_type_node, ptr_type_node, va_list_type_node,
20532 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20533 (init_decl_processing): Call build_common_tree_nodes and
20534 build_common_tree_nodes_2 instead of building their nodes here.
20535 Don't add roots for these nodes.
20536 * stor-layout.c (size_zero_node, size_one_node): Delete.
20537 (set_sizetype): Make a new node for bitsizetype each time.
20538 * tree.c (global_trees): New variable.
20539 (init_obstacks): Add a gc root for it.
20540 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20541 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20542 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20543 (build_common_tree_nodes): New function.
20544 (fix_sizetype): New function.
20545 (build_common_tree_nodes_2): New function.
20546 * tree.h (enum tree_index): New.
20547 (global_trees): Declare.
20548 Add accessor macros for all nodes now moved to global_trees.
20549 Delete their declarations.
20551 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20553 * c-decl.c (finish_function): When processing a nested function,
20554 push and pop GC context around rest_of_compilation.
20556 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20558 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20559 Default ix86_arch to PROCESSOR_I386.
20560 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20561 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20562 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20563 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20564 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20565 (EXTRA_SPECS): Remove deleted specs.
20567 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20569 * function.c (assign_stack_local_1): Allocate from
20570 function->x_frame_offset, not frame_offset.
20572 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20574 * ggc.h (lang_cleanup_tree): Remove.
20575 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20576 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20578 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20579 TYPE_LANG_SPECIFIC when garbage collecting.
20580 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20581 (lang_cleanup_tree): Remove.
20583 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20585 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20586 * crtstuff.c: Not here.
20587 * dwarf2out.c: Or here.
20588 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20591 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20593 * function.h (free_after_compilation): Remove decl parameter.
20594 (free_varasm_status0: Likewise.
20595 (free_emit_status): Likewise.
20596 (free_stmt_status): Likewise.
20597 (free_after_compilation): Likewise.
20598 (init_lang_status): New variable.
20599 (free_lang_status): Likewise.
20600 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20601 * function.c (init_lang_status): New variable.
20602 (free_lang_status): Likewise.
20603 (push_function_context_to): Don't set function::decl here.
20604 (free_after_copmilation): Make decl parameter implicit. Call
20605 free_lang_status if defined.
20606 (prepare_function_start): Call init_lang_status if defined.
20607 (init_function_start): Set function::decl here.
20608 * profile.c (output_func_start_profiler): Don't call pushdecl
20609 until we've actually started the function.
20610 * stmt.c (free_stmt_status): Make decl parameter implicit.
20611 * toplev.c (rest_of_compilation): Don't pass decl to
20612 free_after_compilation.
20613 * varasm.c (free_varasm_status): Likewise.
20615 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20617 * except.c (call_get_eh_context): Add root when allocating static
20620 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20622 * arm.c: Include "ggc.h".
20623 (arm_add_gc_roots): New function.
20624 (arm_override_options): Call it.
20625 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20627 * arm.md (define_asm_attributes): Add a pool_range attribute.
20629 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20631 * extend.texi (Volatiles): New node.
20633 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20635 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20636 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20637 (struct ggc_any): Replace `mark' with `magic_mark'.
20638 (ggc_alloc_string): Use memcpy, not bcopy.
20639 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20640 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20641 (ggc_free_any): New.
20642 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20643 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20644 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20645 Use IS_MARKED. Use ggc_free_any.
20647 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20649 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20651 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20653 * toplev.c (main): Always init_ggc.
20655 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20657 * except.c (find_all_handler_type_matches): Free the list if
20658 we found no matches.
20660 * combine.c (SUBST): Break out to a real function do_SUBST.
20661 (SUBST_INT): Likewise.
20662 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20663 (pre_insert): Free `inserted'.
20664 * loop.c (basic_induction_var): Always set `location'.
20666 * function.c (expand_function_end): Add initial_trampoline as a root.
20667 * rtl.h (init_varasm_once): Declare.
20668 * toplev.c (compile_file): Call it.
20669 * ggc-simple.c (ggc_mark_string_ptr): New.
20670 (ggc_add_string_root): New.
20671 (ggc_collect): Disable collection avoidance temporarily.
20672 * ggc.h (ggc_add_string_root): Declare.
20673 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20674 * optabs.c (init_libfuncs): Likewise.
20675 * varasm.c (named_section): Use ggc_alloc_string.
20676 (make_function_rtl): Likewise.
20677 (make_decl_rtl): Likewise.
20678 (assemble_static_space): Likewise.
20679 (assemble_trampoline_template): Likewise.
20680 (output_constant_def): Likewise.
20681 (force_const_mem): Likewise.
20682 (mark_const_hash_entry): New.
20683 (mark_pool_sym_hash_table): New.
20684 (mark_varasm_state): Use it.
20685 (init_varasm_once): New.
20687 * expr.h (init_one_libfunc): Declare.
20688 * optabs.c (init_one_libfunc): New.
20689 (init_optabs): Use it.
20690 * config/gofast.h: Likewise.
20691 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20692 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20694 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20696 * Makefile.in (cppexp.o): Depend on cpphash.h.
20697 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20699 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20700 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20701 redefining poisoned identifiers, etc.
20702 (do_undef): Don't allow poisoned identifiers to be undefined.
20703 (do_pragma): Add #pragma poison.
20704 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20706 * cccp.c: Add T_POISON node type.
20707 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20709 (do_define): Generalise to handle poisoned definitions,
20710 redefining poisoned identifiers, etc.
20711 (do_undef): Don't allow poisoned identifiers to be undefined.
20712 (do_pragma): Add #pragma poison.
20713 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20715 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20716 * c-pragma.h: Add ps_poison state. We now always have generic
20719 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20721 * ggc.h (ggc_alloc): New function.
20722 (ggc_mark): Likewise.
20723 * ggc-simple.c (ggc_any): New structure.
20724 (ggc_status): Add anys.
20725 (n_anys_collected): New variable.
20726 (ggc_alloc): Define.
20727 (ggc_mark): Likewise.
20728 (ggc_collect): Collect the anys.
20730 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20732 * c-decl.c (mark_binding_level): Make static to match prototype.
20734 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20736 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20738 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20740 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20741 will use into account. Expand the max width to 5.
20744 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20746 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20747 for the rtx length.
20749 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20751 * alpha.md (call value patterns): Remove the result predicates.
20753 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20755 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20758 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20760 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20761 changed from extern char *, to extern PTR. Also fix typo in
20762 NEED_DECLARATION_REALLOC test.
20764 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20766 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20768 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20769 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20770 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20771 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20773 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20775 * cccp.c (pcfinclude): Likewise.
20777 * global.c (allocno_compare): Likewise.
20779 * haifa-sched.c (rank_for_schedule): Likewise.
20781 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20783 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20785 * stupid.c (stupid_reg_compare): Likewise.
20787 * tree.c (_obstack_allocated_p): Likewise.
20789 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20791 1999-09-08 Bruce Korb autogen@linuxbox.com
20793 * Makefile.in: Give the hapless gperf user a hint about
20794 why "gperf -F" fails.
20796 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20798 * lists.c: Include ggc.h.
20800 (init_EXPR_INSN_LIST_cache): Install it.
20802 * ggc-simple.c (init_ggc): Absorb the old init.
20803 (ggc_push_context): Use xcalloc.
20804 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20805 (ggc_collect): Add [rvts] tags to the collection stats.
20807 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20809 * cccp.c (main): Fix handling of -include and -imacros options.
20811 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20813 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20815 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20817 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20820 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20822 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20823 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20824 and SET_DEST. Update comment.
20826 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20828 * config/c4x/c4x.c: Include ggc.h.
20829 (c4x_add_gc_roots): New function.
20830 (c4x_override_options): Call c4x_add_gc_roots.
20832 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20834 * defaults.h (TARGET_ESC): Move ...
20835 * system.h: ... here, where Linas had it in the first place. Silly me.
20837 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20839 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20840 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20841 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20842 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20843 * defaults.h (TARGET_ESC): Add default.
20845 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20847 * configure.in: add i370-*-openedition, i370-*-mvs and
20848 i370-*-linux targets
20850 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20852 * dsp16xxx.c: Include ggc.h
20853 (override_options): Mark GC roots.
20854 * mn10200.c: Include ggc.h.
20855 (asm_file_start): Mark GC roots.
20856 * tahoe.c: Include ggc.h.
20857 (extensible_operand): Mark GC roots.
20859 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20861 * README: Add section discussing status of ELF ABI.
20862 * i370.c: Fix misc spelling mistakes.
20863 (i370_label_scan): Updated notes, exception handling.
20864 (i370_function_prolog): Simplify ELF stack handling.
20865 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20866 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20867 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20868 * i370.md: (movdi): Add notes.
20869 (floatsidf2): Use stack not rtca for scratch float area.
20870 (iorsi3): Correct operand constraints.
20871 * x-oe: Restore TAROUTOPTS which are used by pax.
20873 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20875 * rs6000.c: Include ggc.h.
20876 (rs6000_add_gc_roots): New function.
20877 (override_options): Call it.
20879 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20881 * alpha.h (alpha_compare): New.
20882 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20883 * alpha.c: Likewise for the definitions.
20884 (alpha_emit_conditional_branch): Update for alpha_compare.
20885 (alpha_emit_conditional_move): Likewise.
20886 * alpha.md (cmpdf, cmpdi): Likewise.
20887 (setcc patterns): Likewise. Zero alpha_compare after use.
20888 (sne): Optimize (x != 0) into (0U < x).
20890 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20892 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20893 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20894 (INIT_EXPANDERS): Remove.
20895 * alpha.c: Include ggc.h.
20896 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20897 (alpha_init_machine_status, alpha_mark_machine_status): New.
20898 (override_options): Install them.
20899 (struct machine_function): Moved to alpha.h.
20900 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20901 (alpha_init_expanders): Remove.
20902 (alpha_return_addr): Adjust to use current_function->machine.
20903 (alpha_ra_ever_killed): Likewise.
20904 (alpha_expand_epilogue): Likewise.
20905 * alpha.md (eh_epilogue): Likewise.
20907 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20908 Melissa O'Neill <oneill@cs.sfu.ca>
20909 Geoffrey Keating <geoffk@cygnus.com>
20911 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20912 call-used registers (call-saved registers must still be contiguous
20913 and end with r31, of course).
20915 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20917 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20918 (self_promoting_type_p): Delete.
20919 (self_promoting_args_p): Move ...
20920 * c-common.c: ... here.
20921 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20922 (simple_type_promotes_to): New.
20923 * builtins.c (lang_type_promotes_to): New.
20924 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20925 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20926 * c-common.h: ... here.
20927 (self_promoting_args_p, simple_type_promotes_to): Declare.
20928 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20929 (grokdeclarator): Likewise.
20930 * tree.h (lang_type_promotes_to): Declare.
20932 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20934 Add some machine-dependent GC roots.
20935 * sparc.c: Include ggc.h.
20936 (sparc_add_gc_roots): New function.
20937 (mark_ultrasparc_pipeline_state): Likewise.
20938 (override_options): Call sparc_add_gc_roots.
20939 * pa.c: Include ggc.h.
20940 (pa_add_gc_roots): New function.
20941 (mark_deferred_plabels): Likewise.
20942 (override_options): Call pa_add_gc_roots.
20943 * mips.c: Include ggc.h.
20944 (mips_add_gc_roots): New function.
20945 (override_options): Use it.
20947 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20949 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20951 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20952 cpp_parse_expr): Add static prototypes.
20953 (parse_charconst): Don't cast away const-ness.
20954 (token): Constify a char*.
20956 * cppfiles.c (file_name_list, include_hash, find_include_file,
20957 finclude, initialize_input_buffer): Constify a char*.
20958 (file_cleanup, find_position): Add static prototypes.
20960 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20961 collect_expansion): Add static prototypes.
20962 (cpp_install, create_definition, monthnames): Constify a char*.
20964 * cpphash.h (cpp_install): Likewise.
20966 * cppinit.c (known_suffixes, default_include,
20967 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20968 (base_name, dump_special_to_buffer, initialize_dependency_output):
20969 Add static prototypes.
20971 * cpplib.c (my_strerror): Constify a char*.
20972 (null_underflow, null_cleanup, skip_comment, copy_comment,
20973 copy_rest_of_line, handle_directive, pass_thru_directive,
20974 get_directive_token, read_line_number, cpp_print_file_and_line,
20975 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20976 v_cpp_warning_with_line, detect_if_not_defined,
20977 consider_directive_while_skipping): Add static prototypes.
20978 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20979 cpp_pedwarn_with_file_and_line): Constify a char*.
20981 * cpplib.h (cpp_options, include_hash, progname, definition,
20982 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20983 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20984 find_include_file, deps_output, include_hash): Constify a char*.
20986 * cppmain.c (progname): Constify.
20987 (main): Add prototype. Use return, not exit.
20989 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20990 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20991 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20992 check_protection): Add static prototype.
20994 (progname, recognized_macrom, recognized_extern): Constify a char*.
20995 (main): Add prototype.
20997 * gen-protos.c (progname): Constify a char*.
20999 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
21001 * emit-rtl.c (free_emit_status): Take decl as a parameter.
21002 (init_emit_once): Add more GC roots.
21003 * except.c (mark_func_eh_entry): New function.
21004 (mark_eh_node): Mark false_label and rethrow_label.
21005 (init_eh): Add more GC roots.
21006 * function.c (free_after_compilation): Take decl as a paramter.
21007 Call free_stmt_status.
21008 (mark_function_state): Don't assume x_parm_reg_stack_loc is
21010 * function.h (free_after_compilation): Change prototype.
21011 (free_varasm_status): Likewise.
21012 (free_emit_status): Likewise.
21013 (free_stmt_status): New function.
21014 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
21015 Remove, replacing with ...
21016 (ggc_status): New structure.
21017 (ggc_chain): New variable.
21018 (init_gcc): Define.
21019 (ggc_push_context): New function.
21020 (ggc_pop_context): Likewise.
21021 (ggc_alloc_rtx): Adjust for use of ggc_chain.
21022 (ggc_alloc_rtvec): Likewise.
21023 (ggc_alloc_tree): Likewise.
21024 (ggc_alloc_string): Likewise.
21025 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
21026 (ggc_mark_tree): Give language-dependent code a chance to mark
21028 (ggc_mark_tree_varray): Handle empty arrays.
21029 (ggc_collect): Adjust for use of ggc_chain. Clear
21030 bytes_alloced_since_last_gc.
21031 * ggc.h (ggc_pop_context): New function.
21032 (ggc_push_context): Likewise.
21033 * print-tree.c (print_node): Don't print obstacks when GC'ing.
21034 * stmt.c (free_stmt_status): New function.
21035 (init_stmt_for_function): Clear last_expr_value.
21036 * toplev.c (rest_of_compilation): Always call free_after_compilation.
21037 Conditionalize call to ggc_collect.
21038 (main): Call init_ggc.
21039 * tree.c (push_obstacks): Do the push, even when GC'ing.
21040 (push_obstacks_nochange): Likewise.
21041 (pop_obstacks): Liekwise.
21042 * varasm.c (free_varasm_status): Take decl as a parameter.
21044 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
21046 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
21047 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
21048 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
21049 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
21051 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
21053 * pa/x-pa-mpeix: New file for the MPE port.
21055 * pa/quadlib.asm: New file for long double support.
21057 * configure.in: Add hppa1.0-*-mpeix for MPE port.
21058 * configure: Rebuilt.
21060 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
21062 * final.c (shorten_branches): Fix last change.
21064 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
21066 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
21068 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
21070 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
21073 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21075 * c-aux-info.c (concat): Don't define.
21077 * cccp.c (my_strerror): Likewise. All callers changed to use
21079 (do_include): Call xstrdup, not xmalloc/strcpy.
21080 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
21081 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
21083 * collect2.c (my_strsignal): Likewise. All callers changed to use
21085 (locatelib): Call xstrdup, not xmalloc/strcpy.
21087 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
21089 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
21091 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
21093 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
21095 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
21097 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
21099 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
21101 (find_all_handler_type_matches): Likewise. Don't check return
21103 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
21104 xmalloc, not malloc.
21105 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
21107 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
21108 (init_spec): Call xcalloc, not xmalloc/bzero.
21109 (set_spec): Call xstrdup, not save_string.
21110 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
21111 (find_a_file): Call xstrdup, not xmalloc/strcpy.
21112 (process_command): Call xstrdup, not save_string.
21113 (main): Call xcalloc, not xmalloc/bzero.
21115 * gcov.c (xmalloc): Don't define.
21116 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
21117 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
21118 (output_data): Call xcalloc, not xmalloc/bzero.
21120 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
21122 * mips-tdump.c (xmalloc): Don't define.
21123 (print_symbol): Call xmalloc, not malloc.
21124 (read_tfile): Call xcalloc, not calloc.
21126 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
21127 Don't define. All callers of xfree/my_strsignal changed to use
21128 free/strsignal instead.
21129 (allocate_cluster): Call xcalloc, not calloc.
21131 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
21132 Fix memory leak, free allocated memory.
21134 * prefix.c (translate_name): Call xstrdup, not save_string.
21135 (update_path): Likewise.
21137 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
21139 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
21140 Don't define. Callers of xfree/savestring2 changed to use
21141 free/concat instead.
21143 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
21144 (init_elim_table): Likewise.
21146 * resource.c (init_resource_info): Likewise.
21148 * stupid.c (stupid_life_analysis): Likewise.
21150 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
21151 (open_dump_file): Call concat, not xmalloc/strcpy/...
21152 (clean_dump_file): Likewise.
21153 (compile_file): Call xstrdup, not xmalloc/strcpy.
21155 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
21157 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
21158 * v850.c (v850_va_arg): New.
21160 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21162 * haifa-sched.c: Tidy comments.
21164 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21166 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
21167 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
21168 $(out_object_file)): Depend on ggc.h.
21169 * c-common.c: Include "ggc.h".
21170 (combine_strings): If doing GC, use ggc_alloc_string.
21171 * c-decl.c: Include "ggc.h".
21172 (ggc_p): Define with value 0.
21173 (mark_binding_level): New function.
21174 (init_decl_processing): Add GC roots.
21175 (mark_c_function_context): New function.
21176 (lang_mark_false_label_stack): New function.
21177 (lang_mark_tree): New function.
21178 (lang_cleanup_tree): New function.
21179 * c-lang.c: Include "ggc.h".
21180 (lang_init): Call c_parse_init.
21181 * c-lex.c: Include "ggc.h".
21182 (check_linenum): If doing GC, don't copy filenames to permanent
21184 * c-parse.in: Include "ggc.h".
21185 (c_parse_init): New function.
21186 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
21187 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
21189 * except.c (mark_eh_state): Mark more state.
21190 * function.c (mark_function_state): Likewise.
21191 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
21192 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
21193 * toplev.c (mark_file_stack): New function.
21194 (compile_file): If doing GC, use ggc_alloc_string on input filename.
21195 (main): Add root for input_file_stack.
21197 * i386.c: Include "ggc.h".
21198 (ix86_mark_machine_status): New function.
21199 (override_options): Set mark_machine_status.
21201 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21203 * tree.c (copy_node): Copy node contents also if doing GC.
21205 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21207 * collect2.c (scan_libraries): Fix double-thinko :-).
21209 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
21211 * collect2.c (scan_libraries): Fix thinko.
21213 * cse.c (delete_trivially_dead_insns): Do not skip the last
21214 insn if it is a real insn.
21216 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
21218 * Makefile.in (ggc-simple.o): Depend on hash.h.
21219 * ggc.h (ggc_add_tree_hash_table_root): Declare.
21220 (ggc_mark_tree_varray): Likewise.
21221 (ggc_mark_tree_hash_table): Likewise.
21222 * ggc-simple.c: Include hash.h.
21223 (ggc_mark_tree_hash_table_ptr): New function.
21224 (ggc_mark_tree_hash_table_entry): Likewise.
21225 (ggc_mark_tree_hash_table): Likewise.
21226 (ggc_add_tree_hash_table_root): Likewise.
21227 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
21228 rtx, when defining fields.
21230 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21232 * profile.c (output_func_start_profiler): Remove apparently
21233 nonsensical call to start_sequence.
21235 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
21237 * clipper/clipper.c (clipper_va_start): Fix typos.
21239 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
21240 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
21241 (spur_va_arg): New stub.
21243 * configure.in: Comment out pyramid.
21245 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
21247 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
21248 don't conflict with the bits that win32, cygwin, and dgux
21251 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
21252 Bernd Schmidt <bernds@cygnus.co.uk>
21254 * integrate.c (function_cannot_inline_p): Do not inline
21255 functions with forced labels.
21257 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
21258 Bernd Schmidt <bernds@cygnus.co.uk>
21259 Mark Mitchell <mark@codesourcery.com>
21261 * Makefile.in (ggc-simple.o): Depend on varray.h.
21262 (rtl.o): Depend on ggc.h.
21263 (genattrtab.o): Depend on ggc.h.
21264 (print-tree.o): Likewise.
21265 (fold-const.o): Likewise.
21266 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
21267 (make_insn_raw): Don't cache insns when GC'ing.
21268 (emit_insn_before): Likewise.
21269 (emit_insn_after): Likewise.
21270 (emit_insn): Likewise.
21271 (start_sequence): Use xmalloc to allocate the sequence_stack.
21272 (end_sequence): Add free to free it.
21273 (gen_sequence): Don't cache insns when GC'ing.
21274 (clear_emit_caches): Don't use sequence_element_free_list.
21275 (init_emit): Use xcalloc, not xmalloc+bzero.
21276 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
21277 * function.c (pop_function_context_from): Use free to free the
21278 fixup_var_refs_queue.
21279 (put_reg_into_stack): Allocate it with xmalloc.
21280 * genattrtab.c: Include ggc.h.
21281 (operate_exp): Don't use obstack_free when GC'ing.
21282 (simplify_cond): Likewise.
21283 (simplify_text_exp): Likewise.
21284 (optimize_attrs): Likewise.
21285 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
21287 (gencode): Generate a #include for ggc.h.
21288 * ggc-callbacks.c (ggc_p): Define it to zero.
21289 * ggc-none.c (ggc_p): Likewise.
21290 * ggc-simple.c: Include varray.h.
21291 (ggc_mark_tree_varray): New function.
21292 (ggc_add_tree_varray_root): Likewise.
21293 (ggc_mark_tree_varray_ptr): Likewise.
21294 * ggc.h (ggc_p): Declare.
21295 (varray_head_tag): Likewise.
21296 (ggc_add_tree_varray_root): Declare.
21297 * print-tree.c (print_node): Don't check for TREE_PERMANENT
21298 inconsistencies when GC'ing.
21299 * rtl.c: Include ggc.h.
21300 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
21301 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
21302 (rtx_free): Don't call obstack_free when GC'ing.
21303 * toplev.c (rest_of_compilation): Call ggc_collect after every
21305 * tree.c (push_obstacks): Do nothing, if GC'ing.
21306 (pop_obstacks_nochange): Likewise.
21307 (pop_obstacks): Likewise.
21308 (make_node): Use ggc_alloc_tree when GC'ing.
21309 (copy_node): Likewise.
21310 (get_identifier): Use ggc_alloc_string when GC'ing.
21311 (build_string): Likewise.
21312 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
21313 (tree_cons): Likewise.
21314 (build1): Likewise.
21315 (type_hash_canon): Don't call obstack_free when GC'ing.
21317 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
21319 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
21320 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
21322 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
21323 Bernd Schmidt <bernds@cygnus.co.uk>
21324 Mark Mitchell <mark@codesourcery.com>
21326 * Makefile.in (stor-layout.o): Depend on ggc.h.
21327 (expr.o): Depend on ggc.h.
21328 (profile.o): Depend on ggc.h.
21329 (stor-layout.o): Depend on ggc.h.
21330 * emit-rtl.c (init_emit_once): Add gc roots.
21331 * expr.c: Include ggc.h.
21332 (emit_block_move): Add gc roots.
21333 (clear_storage): Likewise.
21334 * expr.h (init_stor_layout_once): New function.
21335 * profile.c: Include ggc.h.
21336 (init_arc_profiler): profiler_label is a root.
21337 * scan.c (make_sstring_space): Trust xrealloc to function
21338 correctly with first parameter NULL.
21339 * stor-layout.c: Include ggc.h.
21340 (set_sizetype): Add gc root.
21341 (init_stor_layout_once): New function.
21342 * toplev.c (compile_file): Call it.
21344 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
21345 Bernd Schmidt <bernds@cygnus.co.uk>
21346 Mark Mitchell <mark@codesourcery.com>
21348 * Makefile.in (tree.o): Depend on ggc.h.
21349 (varasm.o): Likewise.
21350 (function.o): Likewise.
21351 (stmt.o): Likewise.
21352 (except.o): Likewise.
21353 (optabs.o): Likewise.
21354 (emit-rtl.o): Likewise.
21355 * emit-rtl.c: Include ggc.h.
21356 (sequence_element_free_list): Remove, and all references.
21357 (mark_sequence): New functions.
21358 (mark_emit_state): New function.
21359 * except.c: Include ggc.h.
21360 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
21361 (mark_tree_label_node): New functions.
21362 (mark_eh_state): New function.
21363 * function.c: Include ggc.h.
21364 (mark_temp_slot, mark_function_chain): New functions.
21365 (mark_function_state): New function.
21366 (init_function_once): New function.
21367 * function.h (init_function_once): New function.
21368 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
21369 * ggc.h (label_node): Declare.
21370 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
21371 (lang_mark_false_label_stack): New function.
21372 (mark_temp_slot): Remove declaration.
21373 (mark_function_chain): Likewise.
21374 (mark_eh_state): Adjust prototype.
21375 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
21377 * optabs.c: Include ggc.h.
21378 (mark_optab): New function.
21379 (init_optabs): Add gc roots.
21380 * stmt.c: Include ggc.h.
21381 (mark_cond_nesting, mark_loop_nesting): New functions.
21382 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
21383 (mark_stmt_state): New function.
21384 * toplev.c (compile_file): Call init_function_once.
21385 * tree.c: Include ggc.h.
21386 (type_hash): Move declaration earlier in file.
21387 (TYPE_HASH_SIZE, type_hash_table): Likewise.
21388 (init_obstacks): Add gc roots.
21389 (mark_type_hash): New function.
21390 * varasm.c: Include ggc.h.
21391 (mark_pool_constant): New function.
21392 (mark_varasm_state): New function.
21394 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21396 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
21398 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21400 * c-decl.c (struct language_function): Renamed from struct c_function.
21402 (c_function_chain): Delete.
21403 (push_c_function_context): New arg F. Don't warn about nested
21404 functions here. Fill LANGUAGE elt of F. Delete code to update
21405 c_function_chain. Don't call push_function_context.
21406 (pop_c_function_context): New arg F. Restore from there instead of
21407 from c_function_chain. Don't call pop_function_context. Clear out
21408 LANGUAGE field of F when done.
21409 * c-lang.c: Include "function.h"
21410 (lang_init): Initialize save_lang_status and restore_lang_status.
21411 * c-parse.in (nested_function, nested_function_notype): Warn about
21412 nested functions. Call push_function_context/pop_function_context
21413 instead of the _c_ variants.
21414 * c-tree.h (push_c_function_context, pop_c_function_context): Update
21416 * Makefile.in (c-lang.o): Update dependencies.
21418 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
21419 regno_pointer_flag, regno_pointer_align.
21420 (gen_reg_rtx): Use xrealloc to enlarge them.
21421 (free_emit_status): New function.
21422 * function.c (mark_machine_status, mark_lang_status): New variables.
21423 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
21424 in some bits from assign_stack_local. All callers changed to use new
21426 (assign_stack_local): Just call assign_stack_local_1.
21427 (free_after_compilation): New function.
21428 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
21429 (trampoline_address): Likewise.
21430 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
21431 (prepare_function_start): Explicitly clear some more variables.
21432 * function.h (struct function): New elt can_garbage_collect.
21433 (mark_machine_status, mark_lang_status): Declare variables.
21434 (free_after_compilation, free_emit_status, free_varasm_status,
21435 init_varasm_status): Declare functions.
21436 * toplev.c (rest_of_compilation): Call free_after_compilation when
21437 done with the current function.
21438 * varasm.c (free_varasm_status): New function.
21440 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
21442 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
21443 (EXPAND_BUILTIN_VA_ARG): Define.
21444 * sparc.c (sparc_va_start): New.
21445 (sparc_va_arg): New.
21447 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21449 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
21451 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21453 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
21455 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
21457 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
21458 (OBJS): Add $(GGC).
21459 (ggc-callbacks.o): New target.
21460 * ggc-callbacks.c: New file.
21462 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21464 * expr.h: Collapse individual optab and libfunc vars to arrays.
21465 (optab_index, libfunc_index): New enumerations.
21466 (optab_table, libfunc_table): New arrays.
21467 Add accessor macros for both.
21469 * optabs.c (optab_table, libfunc_table): New.
21470 Delete declarations for individual optab and libfunc vars.
21472 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
21474 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
21476 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
21478 * Makefile.in (GGC, GGC_LIB): New.
21479 (HOST_RTL): Include ggc-none.o.
21480 (ggc-simple.o): New target.
21481 (ggc-none.o): Likewise.
21482 * tree.h (tree_common): Add gc_mark.
21483 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
21484 (struct rtvec_def): Add gc_mark.
21485 * emit-rtl.c (global_rtl): Update static initializers to contain
21486 enough initializers.
21487 * ggc.h, ggc-none.c, ggc-simple.c: New files.
21488 * toplev.c (gc_time): New variable.
21489 (all_time): New variable.
21490 (compile_file): Print gc time.
21491 (print_time): Calculate percentage of the whole.
21493 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21495 Change obstack memory management and varasm constant pool handling so
21496 that nested functions are treated like any other functions.
21497 * function.c (init_machine_status): New variable.
21498 (push_function_context_to): Set contains_functions for the outer
21499 function. Don't call save_varasm_status.
21500 (pop_function_context_from): Don't call restore_varasm_status. Don't
21501 set current_function_contains_functions.
21502 (prepare_function_start): Call init_varasm_status rather than
21503 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21505 * function.h (struct function) Add field varasm. Delete fields
21506 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21507 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21508 (init_machine_status): Declare.
21509 (save_varasm_status, restore_varasm_status): Delete declarations.
21510 (save_tree_status, restore_tree_status): Delete last argument.
21511 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21512 code. All callers changed.
21513 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21514 save_constants_in_decl_trees, restore_constants, save_constants,
21515 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21517 (inlining): New variable.
21518 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21519 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21521 (save_for_inline_nocopy): Don't save constants.
21522 Don't set inl_emit field in current_function.
21523 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21524 function. Set new variable inlining before
21525 calling copy_rtx_and_substitute.
21526 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21527 constant pool references if inlining is nonzero.
21528 Delete ADDRESS and (most of the) CONST cases.
21529 (output_inline_function): Save and restore current_function/
21530 current_function_decl. Delete restore_constants code. Don't call
21531 init_const_rtx_hash_table.
21532 * output.h (init_const_rtx_hash_table): Don't declare.
21533 * rtl.h (struct function): Declare.
21534 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21535 * toplev.c (rest_of_compilation): Don't treat nested functions or
21536 functions containing them specially. Delete all code to deal with
21537 save_for_inline_copying.
21538 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21539 inline_obstacks): Delete variables.
21540 (save_tree_status): Lose arg CONTEXT. All callers changed.
21541 Simply allocate a new function_maybepermanent_obstack for the new
21542 function, delete all the special cases.
21543 Don't save inline_obstacks.
21544 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21545 Delete special handling for function_maybepermanent_obstack; simply
21547 Don't restore inline_obstacks.
21548 (permanent_allocation): Delete code that frees inline_obstacks.
21549 (print_inline_obstack_statistics): Delete function.
21550 (dump_tree_statistics): Don't call it.
21551 * varasm.c (struct varasm_status): New.
21552 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21553 last_pool, pool_offset, const_double_chain): Delete global
21554 variables, replace with accessor macros.
21555 (immed_double_const): Don't walk const_double_chain outside a
21556 function, but don't treat nested functions specially anymore.
21557 (immed_real_const_1): Likewise.
21558 (clear_const_double_mem): Don't treat nested functions specially.
21559 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21560 (save_varasm_status, restore_varasm_status): Delete functions.
21561 (init_varasm_status): New function.
21562 (force_const_mem): Don't treat nested functions specially.
21563 (find_pool_constant): Accept new arg F, search for constants in
21564 that function's pool rather than the current one. All callers
21566 (get_pool_constant_for_function, get_pool_mode_for_function): New
21569 * i386.c (init_386_machine_status): New function, mostly from
21570 clear_386_stack_locals.
21571 (struct machine_functions): Rename element names to avoid name
21573 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21574 macros, replacing global variables.
21575 (clear_386_stack_locals, save_386_machine_status,
21576 restore_386_machine_status): Delete functions.
21577 (override_options): Initialize init_machine_status.
21578 * i386.h (INIT_EXPANDERS): Delete macro.
21579 (save_386_machine_status, restore_386_machine_status,
21580 clear_386_stack_locals): Delete declarations.
21582 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21584 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21585 (doloop_begin): Simplify pattern and use emit_jump_insn.
21586 (doloop_end): Simplify pattern, switch operand order,
21587 and use emit_jump_insn.
21589 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21591 * function.h (struct function): Add new element LANGUAGE.
21592 (save_lang_status): Declare new variable.
21593 (restore_lang_status): Likewise.
21594 * function.c (save_lang_status): Define.
21595 (restore_lang_status): Likewise.
21596 (push_function_context_to): Call language-specific save function.
21597 (pop_function_context_from): Call language-specific restore function.
21599 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21601 * i386.md (movsf_1): Check REG_P before use of REGNO.
21602 (movdf_1): Likewise.
21603 (movxf_1): Likewise.
21604 (extendsfdf2): Likewise.
21605 (extendsfxf2): Likewise.
21606 (extenddfxf2): Likewise.
21608 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21610 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21611 constants into memory.
21612 (c4x_shiftable_constant): New function.
21613 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21614 (c4x_shiftable_constant): Declare.
21615 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21616 ashlqi3_noclobber): Add new patterns and associated splitters.
21618 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21620 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21621 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21622 * final.c (shorten_branches): Likewise.
21623 * global.c (global_alloc): Likewise.
21624 * haifa-sched.c (build_control_flow): Likewise.
21625 * stmt.c (check_for_full_enumeration_handling): Likewise.
21626 (estimate_case_costs): Likewise.
21628 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21630 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21632 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21634 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21635 (recompute_reg_usage): Likewise.
21636 * rtlanal.c (find_regno_fusage): Likewise.
21638 * rtl.c (rtl_check_failed_code1): New function.
21639 (rtl_check_failed_code2): New.
21640 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21641 (RTL_CHECKC1, RTL_CHECKC2): New.
21642 (XC*): New accessor macros.
21643 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21644 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21645 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21646 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21647 (TRAP_*, RANGE_INFO_*): Likewise.
21649 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21651 * Makefile.in (tlink.o): Don't depend on toplev.h.
21653 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21654 output_file, nm_file_name, ldd_file_name, strip_file_name,
21655 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21656 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21657 fork_execute, maybe_unlink, add_to_list,
21658 extract_init_priority, write_list, dump_list,
21659 dump_prefix_list, write_list_with_asm, write_c_file,
21660 write_c_file_stat, write_c_file_glob, scan_prog_file,
21661 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21662 ignore_library, extract_string, notice, dump_file, target_machine,
21663 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21664 read_file, print_load_command): Constify a char*.
21665 (fdopen, error, fatal, fatal_perror): Don't prototype.
21666 (my_strerror): Remove. All callers use xstrerror instead.
21667 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21668 (main): Add prototype. Constify lots of char* ptrs. Change calls
21669 to xcalloc/strcpy/strcat/... to one call to concat.
21670 (main, scan_prog_file, scan_libraries): Use an intermediate
21671 `const char **' to build an argv array.
21672 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21674 * collect2.h (collect_execute, collect_wait, dump_file,
21675 file_exists): Constify a char*.
21676 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21677 temporary_firstobj, vflag, debug): Add extern declarations.
21678 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21680 * tlink.c: Don't include toplev.h.
21681 (vflag, debug, ldout, c_file_name, temporary_obstack,
21682 permanent_obstack, temporary_firstobj): Don't declare.
21683 (tlink_execute, frob_extension, symbol_hash_lookup,
21684 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21685 recompile_files, read_repo_files, demangle_new_symbols,
21686 scan_linker_output): Constify a char*.
21687 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21688 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21690 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21692 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21693 (relative) rather than jsr (absolute) subroutine call insns.
21694 * config/m68k/m68k-coff.h: Ditto.
21696 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21698 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21699 now rework these too.
21700 (arm_reorg): If an insn can't reach the end of the current pool,
21701 ensure that we emit that pool before the insn.
21703 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21705 * tlink.c (scan_linker_output): Skip the initial underscore in
21706 a mangled name if appropriate.
21708 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21710 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21711 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21712 error_with_ivar, gen_declarator, create_builtin_decl,
21713 my_build_string, generate_descriptor_table, generate_ivars_list,
21714 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21715 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21716 dump_base_name, lang_decode_option, build_encode_expr,
21717 start_class, finish_class, encode_pointer, really_start_method,
21718 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21720 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21721 Add static prototypes.
21722 (build_objc_string_decl, build_selector_reference_decl,
21723 encode_bitfield, build_class_reference_decl): Remove unused
21724 parameter, all callers changed.
21725 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21726 (objc_printable_name): Likewise. Change second parameter to type int.
21727 (init_objc): Use memcpy, not bcopy, to avoid casts.
21729 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21731 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21732 reg notes on a deleted insn.
21733 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21735 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21737 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21739 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21741 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21744 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21746 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21747 * tm.texi (MD_ASM_CLOBBERS): Document it.
21749 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21751 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21752 * except.c (expand_rethrow): Remove unused variable.
21753 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21754 * flow.c (replace_insns): Likewise.
21755 (create_edge_list, verify_edge_list): Likewise.
21756 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21758 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21759 is special code to run.
21760 (main): Don't define operands to emit_operand.
21761 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21763 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21765 * alpha/alpha.h (normal_memory_operand): Declare.
21766 (reg_no_subreg_operand): Declare.
21767 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21769 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21771 * c-parse.in (compstmt_primary_start): New, broken out of first
21772 part of compstmt handling in primary.
21773 (primary): Use it. Add an error clause.
21774 (compstmt_nostart): Renamed from compstmt; remove all
21775 initial invocations of compstmt_start.
21778 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21780 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21783 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21785 * combine.c (simplify_shift_const): Remove extra semicolon.
21786 * dwarf2out.c (remove_AT): Likewise.
21787 * expmed.c (expand_mult): Likewise.
21788 * gcov.c (create_program_flow_graph): Likewise.
21789 * reorg.c (mostly_true_jump): Likewise.
21791 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21793 * fold-const.c (fold_range_test): Do not try to fold the range
21794 test if the rhs or lhs has side effects.
21796 * combine.c (simplify_rtx): Recognize another case of a synthesized
21799 * varasm.c (mark_constant_pool): When marking indirect references,
21800 only look at SYMBOL_REFs.
21802 * except.c (expand_fixup_region_end): Do not peek at
21803 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21805 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21807 * flags.h: New variables align_loops, align_loops_log,
21808 align_jumps, align_jumps_log, align_labels, align_labels_log,
21809 align_functions, align_functions_log.
21810 * toplev.c: Define them.
21811 (f_options): Handle -falign-* when they have no argument.
21812 (main): Add logic to set variables for -falign-functions,
21813 -falign-jumps, -falign-labels, -falign-loops.
21814 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21815 (display_help): Change help to match options.
21816 * final.c (LABEL_ALIGN): Default to align_labels_log.
21817 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21818 (LOOP_ALIGN): Default to align_loops_log.
21819 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21820 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21821 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21822 * varasm.c (assemble_start_function): Handle align_functions.
21824 * config/sparc/sparc.h: Don't declare sparc_align_*.
21825 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21826 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21828 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21830 * config/sparc/sparc.c: Delete sparc_align_loops,
21831 sparc_align_jumps, sparc_align_funcs and the corresponding string
21833 (sparc_override_options): Default align_functions on ultrasparc.
21834 Delete -malign-* handling.
21836 * config/mips/mips.c (override_options): On 64-bit targets,
21837 try to align code to 64-bit boundaries.
21838 (print_operand): New substitution, %~,
21839 which aligns labels to align_labels_log.
21840 * config/mips/mips.md (div_trap_normal): Use %~.
21841 (div_trap_mips16): Likewise.
21843 (absdi2): Likewise.
21844 (ffssi2): Likewise.
21845 (ffsdi2): Likewise.
21846 (ashldi3_internal): Likewise.
21847 (ashrdi3_internal): Likewise.
21848 (lshrdi3_internal): Likewise.
21849 (casesi_internal): Likewise.
21851 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21853 Merge new ia32 backend from the branch!
21855 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21856 See ChangeLog.P2 on new_ia32_branch for details.
21858 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21859 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21860 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21861 * i386/gas.h (ASM_FILE_START): Define.
21862 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21863 for name change of ix86_valid_decl_attribute_p.
21864 (i386_pe_valid_type_attribute_p): Similarly.
21866 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21868 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21869 to step through CC modes.
21871 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21873 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21874 it would end up in the shadow of a live flags regsiter.
21876 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21878 * reload1.c: Fix many indentation problems.
21879 * reload.c: Likewise.
21881 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21883 * alias.c (non_local_reference_p): Constify fmt.
21885 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21887 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21889 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21891 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21892 the internal_arg_pointer.
21894 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21896 Merge peephole2 from new_ia32_branch:
21897 * Makefile.in (STAGESTUFF): Add *.peephole2.
21898 (mostlyclean): Likewise.
21899 (recog.o): Depend on resource.h.
21901 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21902 (final_scan_insn): Likewise for the invocation of peephole.
21903 * genconfig.c (main): Look for peephole and peephole2 patterns.
21904 Emit HAVE_peephole* accordingly.
21905 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21906 * flags.h (flag_peephole2): Declare.
21907 * toplev.c: New pass peephole2. New flag -fpeephole2.
21909 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21910 * gencodes.c (main): Likewise.
21911 * genextract.c (main): Likewise.
21912 * genoutput.c (main): Likewise.
21913 * genemit.c (max_operand_1): Look for the max scratch operand.
21914 (gen_rtx_scratch): New.
21915 (gen_exp): Use it, and pass on new arg subroutine_type.
21916 (gen_expand): Take max scratch into account.
21917 (gen_split): Emit peephole2 functions.
21918 (output_peephole2_scratch): New.
21919 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21920 * genrecog.c (routine_type): Add PEEPHOLE2.
21922 (make_insn_sequence): Match outer parallel for peep2. Discard
21923 top level scratches and dups.
21924 (add_to_sequence): New args insn_type and top. Update all callers.
21925 Handle toplevel peep2 matching insns.
21926 (write_subroutine): Handle peep2.
21927 (write_tree_1): Likewise.
21928 (write_tree): Likewise.
21930 (change_state): New arg afterward. Update all callers.
21931 Handle matching separate insns.
21932 * recog.c (recog_next_insn): New.
21933 (peephole2_optimize): New.
21934 * rtl.def (DEFINE_PEEPHOLE2): New.
21935 * resource.c (find_free_register): New argument last_insn. Use it
21936 to find a register available through the entire span.
21937 * resource.h (find_free_register): Update prototype.
21939 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21941 * i386.c (output_strlen_unroll): Don't write xops[7]
21942 label if it wasn't set.
21944 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21946 * cpplib.c (struct directive): Const-ify name pointer and
21947 function pointer prototype.
21948 (validate_else, do_define, do_line, do_include, do_undef,
21949 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21950 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21951 do_warning): Const-ify second arg.
21952 (directive_table): Mark const. Reorder entries by frequency
21953 of usage, record statistics.
21955 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21957 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21958 bounds- check RTL accesses if --enable-checking.
21959 (RTVEC_ELT): Bounds check if --enable-checking.
21960 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21961 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21962 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21964 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21965 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21967 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21968 (NOTE_SOURCE_FILE): Use X0STR.
21969 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21970 MEM_ALIAS_SET): Use X0INT.
21971 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21972 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21974 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21975 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21976 (rtl_check_failed_bounds, rtl_check_failed_type1,
21977 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21979 (fancy_abort): Fix comment.
21981 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21982 (cse_insn): Decrement LABEL_NUSES for jump target before
21983 deleting jump insn.
21984 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21985 * final.c (alter_subreg): Compute regno before changing x to
21986 REG; set REGNO(x) after changing it.
21987 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21988 notes containing CONST_INTs.
21989 (delete_eh_regions): Use NOTE_EH_HANDLER.
21990 * function.c (put_reg_into_stack): Make reg a MEM before
21992 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21994 (gen_mem_addressof): Make reg a MEM before initializing it.
21995 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21997 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21998 deleting an insn, not after.
21999 (block_alloc): Only look at PATTERN(insn) if we have to, and
22000 only if it's format class 'i'.
22001 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
22002 CONST_INT before using its INTVAL.
22003 * print-rtl.c (print_rtx): Use X0STR.
22004 * regmove.c (fixup_match_1): Don't look at PATTERN of
22005 non-class-'i' insn chain elements.
22006 * reload.c (loc_mentioned_in_p): Take address of
22007 in->fld[1].rtx directly.
22008 * reload1.c (reload): Change reg to a MEM before initializing
22010 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
22012 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
22014 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
22016 * config/mips/mips.c (machine_dependent_reorg): Force a
22017 barrier to output the local constant pool if a barrier hasn't
22018 been found at a natural point in the instruction stream.
22020 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22022 * c-parse.in (language_string): Constify.
22024 * dwarf2out.c (language_string): Remove declaration.
22026 * dwarfout.c (language_string): Likewise.
22028 * toplev.c (language_string, init_parse, finish_parse): Likewise.
22030 * tree.h (language_string, init_parse, finish_parse): Declare.
22032 * i386/sun386.h (language_string): Remove declaration.
22034 * mips.h (language_string): Likewise.
22036 * nextstep.h (language_string): Likewise.
22038 * nextstep21.h (language_string): Likewise.
22040 * rs6000.c (language_string): Likewise.
22042 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22044 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
22045 (getpwd.o): Remove target.
22047 * getpwd.c: Delete file. Its in libiberty now.
22049 * dbxout.c (getpwd): Don't prototype.
22050 * dwarf2out.c (getpwd): Likewise
22051 * dwarfout.c (getpwd): Likewise
22052 * final.c (getpwd): Likewise.
22053 * protoize.c (getpwd): Likewise.
22055 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22057 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
22059 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
22061 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
22062 mark_set_resources.
22064 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
22066 * fixinc/Makefile.in (subdir): New.
22067 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
22070 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
22072 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
22073 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
22076 * invoke.texi: Fix typo.
22078 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
22079 changed. Handle autoincrement addressing modes.
22081 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
22082 just like we would the virtual incoming args register when
22085 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
22087 * rs6000.h (ASM_FILE_START): Specify complete filename, including
22088 path, in .file directive.
22090 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
22092 * gcc.texi (External Bugs): Remove obsolete note about Perl on
22095 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
22097 * stdbool.h: Make the typedef name _Bool, with bool a #defined
22100 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22102 * tree.c (tree_code_name): Constify a char*.
22104 * tree.h (tree_code_name, decl_printable_name): Likewise.
22106 * function.h (struct function): Likewise.
22108 * toplev.c (decl_name, decl_printable_name): Likewise.
22110 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
22112 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
22113 (init_objc): Remove function pointer cast.
22115 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22117 * pa.md (interspace_jump): New pattern.
22118 (builtin_longjmp): New expander.
22120 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
22122 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
22123 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
22124 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
22126 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
22128 * jump.c (delete_prior_computation): Also check calls
22129 to constant functions. Don't bother checking for a
22130 REG_UNUSED note before adding it.
22131 (delete_computation): Handle multi-word hard registers
22132 when synthesizing missing REG_DEAD notes for a register
22133 which is both set and used by an insn.
22135 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22137 * loop.c (this_loop_info): New variable.
22138 (loop_has_call, loop_has_volatile, loop_has_tablejump,
22139 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
22141 (prescan_loop, strength_reduce): New argument loop_info. All callers
22143 (scan_loop): New variable loop_info, initialise to address of
22145 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
22146 Delete variable loop_has_multiple_exit targets and replace with
22147 field in this_loop_info.
22148 (find_and_verify_loops): Rename this_loop to this_loop_num.
22149 (strength_reduce): Delete loop_iteration_info. Replace variable
22150 loop_info with function argument of same name.
22151 (insert_bct): Rework test for loop being completely unrolled.
22153 * loop.h (struct loop_info): New fields num, loops_enclosed,
22154 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
22155 has_indirect_jump, and cont. Redefine use of unroll_number.
22156 (loop_unroll_number): Delete.
22158 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
22159 field of loop_info.
22160 (loop_iterations): Delete variable vtop and instead use
22161 loop_info->vtop computed in prescan_loop.
22163 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
22165 * fix-header.c (main): Do not pass a null pointer to strcmp.
22167 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
22169 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
22171 * configure: Rebuilt.
22173 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
22175 * jump.c (jump_optimize_1): Do not delete assignments to
22176 internal_arg_pointer.
22177 * cse.c (delete_trivially_dead_insns): Always consider a set of
22178 the internal_arg_pointer live.
22180 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
22182 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
22183 (update_life_info) [REG_WAS_0]: Search the original insns rather
22184 than the new insns for the note. Fix typos finding note_dest.
22185 If no dest found, discard the note rather than abort.
22186 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
22187 (replace_insns): Remove the old insn list after update_life_info
22190 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
22192 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
22193 sched_analyze_insn.
22194 (sched_analyze_1): Let add_dependence care for not adding dups.
22195 (sched_analyze_2): Likewise.
22196 (add_branch_dependences): Likewise.
22198 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
22200 * i386/winnt.c (export_list): New type.
22201 (exports_head): Rename to
22202 (export_head): this.
22203 (i386_pe_record_exported_symbol): Add is_data flag.
22204 (i386_pe_asm_file_end): Emit directive for exported variables.
22205 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
22207 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
22208 (ASM_DECLARE_OBJECT_NAME): Likewise.
22209 (ASM_DECLARE_FUNCTION_NAME): Likewise.
22210 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
22212 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
22214 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
22216 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
22219 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
22221 * config/openbsd.h: Define SET_ASM_OP.
22222 * tm.texi: cross-reference SET_ASM_OP in the index.
22224 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
22226 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
22227 for a CONST_DOUBLE, at compile time. Initialize rtx_length
22228 and class_narrowest_mode at compile time. Kill init_rtl.
22229 Mark rtx_length, mode_class, mode_size, mode_unit_size,
22230 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
22231 rtx_format as const. Kill all references to EXTRA_CC_MODES or
22233 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
22235 * rtl.h: Declare rtx_length and rtx_format as const.
22236 * machmode.def: Define CC(). Use CC() to define CCmode. If
22237 EXTRA_CC_MODES is defined, expand it here.
22238 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
22239 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
22240 const. Kill all references to EXTRA_CC_MODES.
22242 * toplev.c: Don't prototype or call init_rtl.
22243 * optabs.c: Don't call init_mov_optab.
22244 * genemit.c: Don't generate init_mov_optab. Don't call
22246 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
22248 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
22249 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
22250 genrecog.c: Don't call init_rtl.
22252 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
22253 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
22254 definition of EXTRA_CC_MODES.
22256 * md.texi: Kill ref to EXTRA_CC_NAMES.
22257 * tm.texi: Document new way to define EXTRA_CC_MODES.
22259 * genrecog.c: Do not look up the name of a define_split.
22260 (Unrelated bugfix.)
22262 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
22264 * config/v850/v850.md: Fix typo introduced by previous delta.
22266 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22268 * gcc.c (fatal): Make definition static to match prototype.
22270 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22272 * combine.c (get_last_value): Don't look for earlier sets if the last
22273 known set is somewhere in between the insns being combined.
22275 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
22277 * configure.in: Don't use shell ! to negate exit codes
22278 * configure: Regenerate
22280 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
22282 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
22283 the fact that ALIGN is measured in bits, not bytes.
22285 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
22287 * errors.c: New file; defines functions error, warning, and
22288 fatal, variables have_error and progname.
22289 * errors.h: New file; prototypes and decls for stuff in errors.c.
22291 * Makefile: Add rules to build errors.o and
22292 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
22293 genopinit, genrecog, genextract, genpeep, genattr, and
22294 genoutput with errors.o. Add errors.h to deps of genconfig.o,
22295 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
22296 genpeep.o, genattr.o, and genoutput.o.
22298 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
22299 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
22300 define or prototype fatal. Set progname at beginning of main.
22301 * genoutput.c: Likewise, and don't define or prototype error
22304 * c-typeck.c (c_expand_start_case): Return immediately if exp
22306 * fold-const.c (operand_equal_p): Return immediately if arg1
22307 or arg0 are ERROR_MARKs.
22308 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
22309 fields of type ERROR_MARK when calculating if the record can
22312 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
22313 with much help from Jeffrey A Law and Richard Henderson
22315 * i386.md: In the 6 insns which call output_fix_trunc,
22316 earlyclobber operands[0].
22318 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
22320 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
22321 creating new registers.
22323 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
22325 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
22326 i386_reg_alloc_order, i386_regparm_string,
22327 i386_align_loops_string, i386_align_jumps_string,
22328 i386_align_funcs_string, i386_preferred_stack_boundary_string,
22329 and i386_branch_cost_string as type "const char *".
22330 * i386.c: Define all above strings as type "const char *".
22332 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
22334 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
22335 when emitting alignment padding. Emit padding byte of 0 instead of 4.
22337 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
22339 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
22340 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
22342 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
22344 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
22345 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
22346 (dwarf2out_line, dwarf2out_finish): Likewise.
22347 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
22349 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
22351 * tree.c (lang_unsave_expr_now) : Correct return type.
22352 * tree.h (lang_unsave_expr_now) : Same.
22354 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
22356 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
22357 instead of duplicating code.
22359 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22361 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
22363 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
22365 * tree.h: fancy_abort always takes three args.
22366 * resource.c: Move include of system.h before toplev.h.
22368 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
22370 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
22373 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
22375 * system.h: Don't redefine abort or trim_filename.
22376 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
22377 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
22378 whether or not __FUNCTION__ is available.
22379 * tree.h: Duplicate rtl.h's definition of abort, for files
22380 that don't include rtl.h. Delete all code to perform type
22381 checking with a compiler other than GCC.
22382 * varray.h: Delete all code to perform type checking with a
22383 compiler other than GCC. Make VARRAY_CHECK() always evaluate
22384 its arguments exactly once, using a statement expression.
22385 Adjust the VARRAY_<type> accessor macros to match.
22386 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
22387 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
22388 caller's location. Define fatal_insn and fatal_insn_not_found
22389 as macros that use _fatal_insn and _fatal_insn_not_found.
22390 (fancy_abort, trim_filename): Kill prototypes.
22392 * rtl.c (trim_filename): Move here from toplev.c.
22393 (fancy_abort): New function.
22394 (DIR_SEPARATOR): Provide default definition.
22395 * tree.c (tree_check_failed, tree_class_check_failed): Go
22396 through fancy_abort.
22397 (tree_check, tree_class_check, cst_or_constructor_check,
22398 expr_check): Delete.
22399 * varray.c (varray_check_failed): New function.
22400 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
22401 _fatal_insn and _fatal_insn_not_found. Go through
22403 (trim_filename, fancy_abort): Delete.
22405 * builtins.c (expand_builtin_args_info): Report ICE with abort.
22406 * except.c (start_catch_handler): Report ICE with error/abort
22408 * final.c (output_operand_lossage): Likewise.
22409 * flow.c (verify_flow_info): Likewise.
22411 * gcc.c: Prototype fatal.
22412 * gengenrtl.c: Undef abort after including rtl.h not system.h.
22413 * genattr.c, genattrtab.c, genemit.c, genextract.c,
22414 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
22415 Don't define fancy_abort.
22417 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
22419 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
22422 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
22424 * m88k.h (VERSION_INFO2): Kill.
22425 (VERSION_STRING): Kill.
22427 (VERSION_INFO1): Tidy.
22428 (TARGET_VERSION): Update.
22429 * m88k/dgux.h (VERSION_INFO2): Kill.
22430 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
22431 * m88k/luna.h (VERSION_INFO1): Tidy.
22432 * m88k/sysv4.h (VERSION_INFO1): Likewise.
22433 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
22434 (output_file_start): Adjust for death of VERSION_STRING.
22436 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
22438 * cpplib.c (detect_if_not_defined): New function.
22439 (do_if): Use it to detect potential once-only headers.
22441 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
22443 * c-common.c (combine_strings): Always set TREE_CONSTANT.
22445 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22447 * combine.c (nonzero_bits) : Allow single-ly set registers to be
22448 anywere in the function only if they are pseudos and set before
22449 being used (not live at the start of the function).
22450 (num_sign_bit_copies) : Same.
22451 (get_last_value_validate) : Same.
22452 (get_last_value) : Same.
22454 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
22456 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
22457 where N and M are constant and N is an integer multiple of M.
22459 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22461 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
22462 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
22463 sbitmap_union_of_preds): Add prototypes.
22464 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
22465 the intersection of successors with the new flow graph structures.
22466 (sbitmap_intersection_of_preds): New function to compute the
22467 intersection of predecessors with the new flow graph structures.
22468 (sbitmap_union_of_succs): New function to compute the union of
22469 successors with the new flow graph structures.
22470 (sbitmap_union_of_preds): New function to compute the union of
22471 predecessors with the new flow graph structures.
22472 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
22473 (expr_reaches_here_p): Use edge and basic_block structures instead
22474 of s_preds and s_succs.
22475 (compute_cprop_avinout): Use new sbitmap routines.
22476 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
22477 of s_preds and s_succs.
22478 * flow.c (compute_flow_dominators): Compute dominators using
22479 edges and basic blocks instead of s_preds and s_succs.
22481 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22483 * lists.c (unused_insn_list, unused_expr_list): New file for
22484 maintaining various types of lists. New statics for maintaining a
22485 cache of available INSN_LIST and EXPR_LIST nodes.
22486 (free_list): Static function for freeing a list of INSN/EXPR nodes.
22487 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
22488 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
22489 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
22490 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
22491 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
22492 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
22493 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22494 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22495 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22496 (remove_dependence, free_pending_lists): Use new global routines.
22497 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22498 (sched_analyze, compute_block_backward_dependences): Use new routines.
22499 (sched_analyze_1, sched_analyze_2): Use new routines.
22500 (schedule_insns): Use new global routines.
22501 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22503 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22504 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22506 * toplev.c (rest_of_compilation): Initialize node cache.
22507 * Makefile.in (OBJS): Add lists.o to list of object files.
22508 (lists.o): Add dependancies.
22510 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22512 * config/v850/v850.md: Fix compile time warning messages.
22513 * config/v850/v850.c: Fix compile time warning messages.
22514 * config/v850/v850.h: Fix compile time warning messages.
22516 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22518 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22519 Remove unused prototype for `init_lengths'.
22521 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22523 * calls.c (emit_call_1): Mark parameter `stack_size' with
22525 (expand_call): Initialize variable `insn'.
22526 (emit_library_call): Likewise for variable `high_to_save'.
22527 (emit_library_call_value): Likewise.
22528 (store_one_arg): Likewise for variables `lower_bound' and
22531 * combine.c (try_combine): Likewise for variables `i2_code_number'
22532 and `other_code_number'.
22533 (find_split_point): Likewise for variables `pos', `unsignedp' and
22535 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22536 (simplify_and_const_int): Remove unused variable `width'.
22537 (merge_outer_ops): Likewise.
22539 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22540 HOST_WIDE_INT' when comparing against one.
22541 (simplify_relational_operation): Likewise.
22542 (cse_insn): Initialize variables `src_eqv_volatile',
22543 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22545 * final.c (init_final): Constify parameter `filename'.
22546 (final_start_function): Mark parameter `optimize' with
22548 (profile_function): Likewise for parameters `first' and `optimize'.
22549 (output_source_line): Likewise for parameter `file'.
22551 * integrate.c (subst_constants): Cast a value to `size_t' when
22552 comparing against one.
22553 (mark_stores): Initialize variable `mode'. Cast a value to
22554 `size_t' when comparing against one.
22556 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22558 * loop.c (move_movables): Initialize variable `first'.
22559 (strength_reduce): Likewise for variable `increment'.
22560 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22561 value to `size_t' when comparing against one.
22562 (load_mems): Initialize variable `end_label'.
22564 * output.h (init_final): Constify parameter.
22566 * reload.c (decompose): Initialize variable `base'.
22568 * reload1.c (reload): Likewise for variable `is_scalar'.
22569 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22570 (choose_reload_regs): Initialize variable `mode'.
22571 (emit_reload_insns): Likewise for variable `store_insn'.
22572 (reload_cse_noop_set_p): Mark parameter `insn' with
22574 (reload_combine): Initialize variable `set'.
22576 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22577 (copy_loop_body): Cast a value to `size_t' when comparing against
22580 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22581 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22582 (remove_from_pending_weak_list): Mark parameter `name' with
22585 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22587 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22590 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22592 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22593 (ASM_DECLARE_FUNCTION_NAME): Define.
22594 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22595 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22596 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22597 not already defined.
22599 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22601 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22602 of n_popped when call/call_value are not defined.
22604 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22606 * tm.texi: GNU CC -> GCC conversion.
22607 (CC1_SPEC): Indicate it is used for all language front ends.
22609 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22611 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22612 NOTE_INSN_EH_REGION_END correctly.
22614 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22615 Jeff Law <law@cygnus.com>
22617 * loop.c (strength_reduce): Automatically unroll loops if the
22618 unrolled loop size is smaller than the rolled loop size.
22620 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22621 and delete comment that code should be rewritten.
22623 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22625 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22628 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22630 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22632 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22633 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22634 (LINK_SPEC): Add -u _main when building executables.
22635 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22636 (ASM_FILE_END): Use the default for ix86-pe.
22637 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22639 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22641 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22642 and ASM_CLOSE_PAREN are empty strings.
22644 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22645 Geoffrey Keating <geoffk@cygnus.com>
22647 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22648 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22649 (unprotoize.o): Ditto.
22650 (test-protoize-simple): Don't define STD_PROTO_DIR.
22651 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22652 changes to make 'test-protoize-simple' pass.
22653 (STD_PROTO_DIR): Remove define.
22654 (STANDARD_EXEC_PREFIX): Supply default define.
22655 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22656 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22657 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22658 (GET_ENV_PATH_LIST): New macro.
22659 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22660 (do_processing): Initialize default_syscalls_dir using new
22661 macros. Use it to initialize syscalls_absolute_filename.
22663 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22665 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22666 B into a register before emit_conditional_move.
22668 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22670 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22671 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22672 multiplicand out of (+ (* a b) (* c d)).
22674 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22675 Richard Henderson <rth@cygnus.com>
22677 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22678 (new_insn_dead_notes): Likewise.
22679 (update_n_sets): Likewise.
22680 (update_flow_info): Move to flow.c, renamed to update_life_info;
22681 extend to handle multiple source insns.
22682 * flow.c: Include resource.h
22683 (unlink_insn_chain): New.
22684 (split_hard_reg_notes): New.
22685 (maybe_add_dead_note): New.
22686 (maybe_add_dead_note_use): New.
22687 (find_insn_with_note): New.
22688 (new_insn_dead_notes): New.
22689 (update_n_sets): New.
22690 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22691 (maybe_remove_dead_notes): New.
22692 (update_life_info): New.
22693 (prepend_reg_notes): New.
22694 (replace_insns): New.
22695 * output.h (update_life_info): Declare.
22696 * recog.c (split_block_insns): Use update_life_info.
22697 * resource.c (find_free_register): Use reg_alloc_order, don't use
22698 fixed regs, make sure the mode is supported, don't use new regs.
22700 * rtl.h (replace_insns): Declare.
22702 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22704 * expr.c (expand_expr): Cope with COND_EXPRs with one
22705 non-returning branch.
22707 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22709 * expr.c (store_expr): Always pass down the target, even when not
22712 1999-08-24 Nick Clifton <nickc@cygnus.com>
22714 * configure.in: Define target_cpu_default for v850 targets.
22715 * configure: Regenerate
22717 * config/v850/v850.h (TARGET_CPU_generic): Define.
22718 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22719 addresses are 4 byte aligned.
22721 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22724 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22726 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22727 (main): Add prototypes.
22729 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22730 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22731 (write_attr_get): Emit prototypes along with function definition.
22732 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22733 (write_complex_function): Emit static prototype along with
22734 function definition.
22736 * genemit.c (gen_split): Emit prototypes along with function
22739 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22740 Likewise for predicates and `insn_operand_predicate'.
22741 (process_template): Emit static prototype along with function
22744 * genrecog.c (make_insn_sequence): Constify a char*. Add
22745 prototypes for get_split_*().
22746 (write_subroutine): Emit prototypes along with function
22749 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22751 * gcse.c (find_avail_set): Follow chains of register-register copies.
22752 Use oprs_not_set_p to guarantee that the returned value can be
22754 (cprop_insn): Don't verify the return value of find_avail_set with
22757 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22758 (cprop_cc0_jump): New function.
22759 (cprop_insn): Break out new function cprop_jump and use it.
22760 Also use cprop_cc0_jump for machines with CC0.
22761 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22763 * tree.h (current_function_calls_setjmp,
22764 current_function_calls_longjmp): Delete declarations.
22765 * dsp16xx.c: Include "function.h".
22766 * elxsi.c: Likewise.
22767 * gmicro.c: Likewise.
22768 * h8300.c: Likewise.
22769 * i370.c: Likewise.
22770 * m32r.c: Likewise.
22771 * mn10200.c: Likewise.
22772 * mn10300.c: Likewise.
22773 * ns32k.c: Likewise.
22774 * spur.c: Likewise.
22775 * v850.c: Likewise.
22777 * rtl.h (rtx_equal_function_value_matters): Declare.
22778 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22780 * function.c: Likewise.
22781 * emit-rtl.c: Likewise.
22783 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22785 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22788 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22790 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22793 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22795 * cpp.texi: Add a node documenting macro varargs (copied
22798 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22800 * cppspec.c: Put a null pointer at the end of the new argv.
22802 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22804 * configure.in: Remove code to select/de-select the haifa
22805 scheduler. Every scheduled port gets haifa now.
22806 * configure: Rebuilt.
22807 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22809 * Makefile.in: Corresponding changes.
22811 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22813 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22814 All callers changed.
22815 (prepare_float_lib_cmp): Likewise.
22816 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22817 * expr.h (emit_float_lib_cmp): Delete declaration.
22818 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22819 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22820 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22822 (cmptf): Now conditional on TARGET_HARD_QUAD.
22824 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22826 * resource.c (mark_target_live_regs): Use
22827 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22829 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22831 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22833 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22835 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22837 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22839 * rtl.h (rtx_format): Constify a char*.
22841 * rtl.c (rtx_format): Likewise.
22842 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22843 (init_rtl): Use accessor macro, not `rtx_format'.
22845 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22848 * caller-save.c (mark_referenced_regs): Likewise.
22850 * combine.c (subst, make_compound_operation, known_cond,
22851 gen_rtx_combine, update_table_tick, get_last_value_validate,
22852 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22854 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22855 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22856 count_reg_usage): Likewise.
22858 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22861 * final.c (leaf_renumber_regs_insn): Likewise.
22863 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22864 dump_edge_info, count_reg_references): Likewise.
22866 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22867 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22870 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22871 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22872 add_label_notes): Likewise.
22874 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22875 clear_struct_flag, count_sub_rtxs, count_alternatives,
22876 compares_alternatives_p, contained_in_p, walk_attr_value,
22877 write_expr_attr_cache): Likewise.
22879 * genconfig.c (walk_insn_part): Likewise.
22881 * genemit.c (max_operand_1, gen_exp): Likewise.
22883 * genextract.c (walk_rtx): Likewise.
22885 * genflags.c (num_operands): Likewise.
22887 * genoutput.c (scan_operands): Likewise.
22889 * genpeep.c (match_rtx): Likewise.
22891 * genrecog.c (add_to_sequence): Likewise.
22893 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22896 * integrate.c (save_constants, copy_for_inline,
22897 copy_rtx_and_substitute, subst_constants, restore_constants):
22900 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22901 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22903 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22906 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22907 add_label_notes, replace_call_address, count_nonfixed_reads,
22908 invariant_p, find_single_use_in_loop, find_mem_givs,
22909 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22912 * print-rtl.c (reg_names, print_rtx): Likewise.
22914 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22916 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22917 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22918 print_blocks): Likewise.
22920 * regclass.c (fix_register, record_address_regs,
22921 reg_scan_mark_refs): Likewise.
22923 * regmove.c (stable_but_for_p): Likewise.
22925 * reload.c (loc_mentioned_in_p, operands_match_p,
22926 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22927 copy_replacements, refers_to_regno_for_reload_p,
22928 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22929 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22932 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22933 delete_address_reloads_1, count_occurrences,
22934 reload_cse_mem_conflict_p, reload_combine_note_use,
22935 add_auto_inc_notes): Likewise.
22937 * resource.c (mark_referenced_resources, mark_set_resources):
22940 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22941 reg_mentioned_p, regs_set_between_p, modified_between_p,
22942 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22943 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22944 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22945 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22947 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22949 * stupid.c (stupid_mark_refs): Likewise.
22951 * unroll.c (remap_split_bivs): Likewise.
22953 * varasm.c (mark_constants): Likewise.
22955 * a29k/a29k.c (uses_local_reg_p): Likewise.
22957 * alpha/alpha.c (summarize_insn): Likewise.
22959 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22960 eliminate_lr2ip): Likewise.
22962 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22964 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22965 reg_mentioned_in_mem): Likewise.
22967 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22968 symbolic_reference_mentioned_p): Likewise.
22970 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22972 * sh/sh.c (regs_used, mark_use): Likewise.
22974 * vax/vax.c (vax_rtx_cost): Likewise.
22976 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22978 * machmode.h (mode_name): Constify a char*.
22980 * rtl.c (mode_name): Likewise.
22982 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22984 * optabs.c (init_libfuncs): Constify a char*.
22986 * print-tree.c (mode_name): Remove redundant declaration.
22987 (print_node): Use accessor macro, not `mode_name'.
22989 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22991 (new_spill_reg): Constify a char*.
22993 * tree.c (mode_name): Remove redundant declaration.
22995 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22997 * rtl.c (rtx_name): Constify a char*.
22999 * rtl.h (rtx_name, fix_sched_param): Likewise.
23001 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
23002 (mypr): Use accessor macro, not `rtx_name'.
23004 * genemit.c (print_code): Constify a char*.
23006 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
23008 * genpeep.c (print_code): Constify a char*.
23010 * genrecog.c (print_code): Likewise.
23012 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
23013 end_bb): Add static prototype.
23014 (draw_edge): Constify a char*.
23015 (end_bb): Remove unused parameter.
23017 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
23018 print_block_visualization): Constify a char*.
23020 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
23022 * c-common.c (c_get_alias_set): Update comment.
23024 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
23026 * linux.h (LIB_SPEC): Added.
23028 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
23030 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
23032 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
23034 * tree.c (expr_check): Fix typo in last change.
23036 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
23038 * rtl.def (NOTE): Change format to "iuu0n".
23039 (ADDR_DIFF_VEC): Change format to "eEee0".
23040 (ADDRESSOF): Change format to "eit".
23042 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
23043 (RTVEC_ELT): Change to match.
23044 (XVECEXP): Use XVEC and RTVEC_ELT.
23045 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
23046 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
23047 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
23048 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
23049 TRAP_CONDITION, TRAP_CODE): Use XEXP.
23050 (INTVAL): Use XWINT.
23051 (ADDRESSOF_DECL): Use XTREE.
23052 (SET_ADDRESSOF_DECL): Delete.
23053 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
23054 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
23055 ifdefed out since 2.6 at least.
23056 (gen_rtvec_vv): Delete prototype.
23058 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
23060 (copy_most_rtx): Handle 't' format letter.
23061 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
23062 (gen_rtvec_vv): Delete function. All callers changed to use
23063 gen_rtvec_v instead.
23064 * print-rtl.c (print_rtx): Move special casing of NOTEs to
23065 the '0' format letter.
23067 * function.c (gen_mem_addressof): Don't use
23068 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
23070 * integrate.c (copy_rtx_and_substitute): Likewise.
23071 Copy 't' slots with XTREE.
23072 (subst_constants): Treat 't' slots like '[swi]' slots.
23073 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
23074 * jump.c (rtx_equal_for_thread_p): Likewise.
23075 * rtlanal.c (rtx_equal_p): Likewise.
23076 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
23077 only four arguments.
23078 * gengenrtl.c (type_from_format): Provide correct types for
23082 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
23083 If a recent gcc is in use (always in stage2 and beyond), use
23084 statement expressions, so we don't make a function call unless
23085 the check fails. Evaluate arguments exactly once.
23086 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
23087 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
23089 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
23090 they evaluate their arguments exactly once, irrespective of
23091 the compiler in use.
23093 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
23094 is used by the currently-enabled check macros. This is:
23095 (tree_check_failed, tree_class_check_failed): For gcc.
23096 (tree_check, tree_class_check, cst_or_constructor_check,
23097 expr_check): For other compilers.
23099 * gencheck.c: Do not define any *_CHECK1 macros.
23101 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
23102 Mark Mitchell <mark@codesourcery.com>
23104 * c-common.c (c_get_alias_set): Fix support for poitners and
23107 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
23109 * alias.c: Include tree.h.
23110 (nonlocal_reference_p, mark_constant_function): New functions.
23111 * flow.c (life_analysis): Call mark_constant_function.
23112 * rtl.h (mark_constant_function): Declare it.
23114 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
23116 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
23117 unrecognisable switches.
23119 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23121 * loop.c (recombine_givs): Set ix field after sorting.
23122 (recombine_givs): Remove bogus index / giv lockstep looping.
23124 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23126 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
23128 (emit_store_flag_force): Use do_compare_rtx_and_jump.
23129 (do_cmp_and_jump): Formatting fixes.
23130 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
23131 do_compare_rtx_and_jump instead of compare_from_rtx.
23132 (do_compare_rtx_and_jump): New function; mostly copied from
23134 (do_jump_for_compare): Delete.
23135 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
23137 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
23138 of compare/do_jump_for_compare pairs.
23139 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
23140 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
23141 compare_from_rtx/do_jump_for_compare pairs.
23142 (do_jump_by_parts_equality): Likewise.
23143 (do_jump_by_parts_equality_rtx): Likewise.
23144 * expr.h (do_compare_rtx_and_jump): Declare.
23145 * optabs.c (prepare_cmp_insn): New function, contains most of the code
23146 that used to be in emit_cmp_insn.
23147 (cmp_available_p): New function.
23148 (prepare_operand): New function.
23149 (emit_cmp_and_jump_insn_1): New function, contains some code that used
23150 to be in emit_cmp_insn.
23151 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
23152 parameters to be pointers; don't emit final compare but modify some of
23153 the values pointed to by the args so the caller can perform the
23154 correct comparison.
23155 (expand_binop): Call emit_store_flag_force with signed forms of
23157 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
23158 emit_jump_insn pair.
23159 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
23160 emit_cmp_and_jump_insn_1. Call emit_queue.
23161 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
23163 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
23164 jump sets cc0 before deleting it.
23165 * integrate.c (expand_inline_function): Likewise.
23166 * unroll.c (unroll_loop): Similar changes in several places.
23167 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
23168 before deleting it.
23170 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23172 * Makefile.in (insn-recog.o): Update dependencies.
23173 * genrecog.c (main): Make generated file include "function.h".
23175 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
23177 * cse.c (cse_insn): Call never_reached_warning when a jump is
23178 changed to be unconditional.
23179 * flags.h: Declare warn_notreached.
23180 * flow.c (delete_block): Call never_reached_warning when
23181 a block is deleted.
23182 * jump.c (delete_barrier_successors): Call never_reached_warning
23183 when we delete everything after a BARRIER.
23184 (never_reached_warning): New function.
23185 * rtl.h: Declare never_reached_warning.
23186 * toplev.c (warn_notreached): New variable.
23187 (lang_independent_options): Set warn_notreached
23188 when -Wunreachable-code.
23189 (compile_file): We need line numbers for -Wunreachable-code.
23191 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
23193 * haifa-sched.c (insn_unit): Fix typo on out of range test.
23194 * sched.c (insn_unit): Likewise.
23196 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
23198 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
23200 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23202 * flow.c (create_edge_list): Use xmalloc, not malloc.
23204 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
23206 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
23207 C-style comments. Do not lose the character before double slash.
23209 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23211 * basic-block.h (struct edge_list): Stucture to maintain a vector
23213 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
23214 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
23215 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
23216 New function prototypes.
23217 * flow.c (create_edge_list): Function to create an edge list.
23218 (free_edge_list): Discards memory used by an edge list.
23219 (print_edge_list): Debug output showing an edge list.
23220 (verify_edge_list): Internal consistency check for an edge list.
23221 (find_edge_index): Function to find an edge index for a pred and succ.
23223 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
23225 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
23228 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
23230 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
23232 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
23234 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23236 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
23238 * toplev.c (rest_of_compilation): Allow machine dependent
23239 reorganisation pass to place information into the RTL dump
23240 file if it so wishes.
23242 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
23244 * explow.c (hard_function_value): Use VOIDmode instead of
23246 * stmt.c (expand_return): Likewise.
23247 * stor-layout.c (get_best_mode): Likewise.
23249 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
23250 emit call instead of emit_insn call.
23252 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
23254 * configure.in: Handle --disable/enable-win32-registry.
23255 * install.texi: Document --disable/enable-win32-registry.
23256 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
23257 (WIN32_REGISTRY_KEY): New macro.
23258 * prefix.c: Use to enable/disable win32-specific code.
23259 (lookup_key): Use versioned key.
23260 * configure: Regenerate.
23261 * config.in: Likewise.
23263 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
23265 * cpplib.c (read_line_number): New fn, split out of...
23268 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
23270 tree.c (lang_unsave_expr_now) : New.
23271 (unsave_expr_now): Call lang_unsave_expr_now.
23272 tree.h (lang_unsave_expr_now) : New.
23274 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
23276 * toplev.c (flag_new_exceptions): On by default.
23278 1999-08-13 Michael Meissner <meissner@cygnus.com>
23280 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
23282 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23284 * dwarfout.c (fundamental_type_code): Return FT_boolean for
23285 INTEGER_TYPE with precision==1, it's __java_boolean.
23287 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23289 * global.c (prune_preferences): Move some invariants out of the
23292 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
23294 * configure.in (alpha*-dec-osf*): Add osf5.
23296 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
23298 * configure.in: Rework handling of ARM GNU/Linux slightly.
23299 (arm*-*-linux-gnuoldld): New target.
23300 * configure: Regenerate.
23301 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
23302 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
23303 * config/arm/linux-oldld.h: New file.
23304 * config/arm/linux-elf26.h: Don't include linux-elf.h.
23305 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
23307 * config/arm/linux-elf.h (ASM_SPEC): Define.
23308 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
23309 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
23310 for 26-bit APCS and old linker.
23311 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
23313 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
23314 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
23315 don't define `arm' or `arm_elf'.
23316 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
23317 MULTILIB_DIRNAMES): Define. Fix typo in comment.
23319 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
23321 * rtl.texi: Fix typo.
23323 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
23325 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
23327 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
23329 * extend.texi (C++ Signatures): Remove node.
23330 * invoke.texi: Remove discussion of -fhandle-signatures,
23331 signature, sigof, __signature__, and __sigof__.
23333 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
23335 * Makefile.in (JAVAGC): Removed.
23337 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
23339 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23341 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
23343 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23345 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
23347 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
23348 a register that is already known to be a pointer.
23350 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
23352 * fixinc/inclhack.tpl: Only install assert.h conditionally.
23353 * fixinc/inclhack.sh: Regenerated.
23354 * fixinc/fixincl.sh: Regenerated.
23356 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
23358 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
23359 Fix documentation of -ansi flag to describe its C++ behavior.
23360 Remove bogus reference to GCC 2.9.
23362 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
23364 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
23365 note if it is non-NULL.
23367 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23369 * except.h (eh_nesting_info): Add new structure defintion.
23370 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
23371 (reachable_handlers, update_rethrow_references): Add function
23373 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
23374 a rethrow symbol instead of an integer exception region number.
23375 * flow.c (Make_edges): Use new exception nesting routines to determine
23376 which handlers are reachable from a CALL or asynchronous insn.
23377 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
23379 (delete_eh_regions): Update rethrow labels, and don't delete
23380 regions which are the target of a rethrow.
23381 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
23382 avoid overloading the SYMBOL_REF_USED flag.
23383 (rethrow_symbol_map): Use new rethrow_ref field.
23384 (rethrow_used): Use new rethrow_ref field.
23385 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
23386 of an integer. Fix formatting.
23387 (output_exception_table_entry): Use new rethrow_ref field.
23388 (can_throw): Check for EH_REGION_NOTE before deciding
23389 whether a CALL can throw or not.
23390 (scan_region): Call rethrow_used() instead of accessing data structure.
23391 (update_rethrow_references): New function to make sure only regions
23392 which are still targets of a rethrow are flagged as such.
23393 (process_nestinfo): New static function to initialize a handler
23394 list for a specific region.
23395 (init_eh_nesting_info): New function to allocate and initialize
23396 the list of all EH handlers reachable from all regions.
23397 (reachable_handlers): New function to retrieve the list of handlers
23398 reachable from a specific region and insn.
23399 (free_eh_nesting_info): New function to dispose of a list of
23400 reachable handlers.
23402 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23404 * flow.c (split_edge): Set JUMP_LABEL field.
23405 (commit_one_edge_insertion): Set head correctly for insert_before.
23406 When inserting insns, update insn block numbers if allocated.
23408 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23410 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
23411 retry_incomplete_types): Add static prototype.
23412 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
23413 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
23414 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
23415 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
23416 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
23419 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
23420 dwarf2out_start_source_file, dwarf2out_line): Likewise.
23422 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23424 * output.h (assemble_name): Constify a char*.
23426 * varasm.c (UNIQUE_SECTION, assemble_start_function,
23427 assemble_variable, assemble_name): Likewise.
23429 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
23431 * arm/pe.c (arm_pe_unique_section): Likewise.
23433 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
23435 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
23437 * i386/interix.c (i386_pe_unique_section): Likewise.
23439 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
23441 * i386/winnt.c (i386_pe_unique_section): Likewise.
23443 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
23445 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
23447 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
23449 * pa/pa.c (output_call): Likewise.
23451 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
23453 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
23455 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
23458 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
23461 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
23463 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
23464 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
23466 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
23468 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23470 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
23472 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23474 * tree.h (lang_identify): Constify a char*.
23475 (print_error_function): Add extern prototype. Constify a char*.
23477 * c-lang.c (lang_identify): Constify a char*.
23479 * objc/objc-act.c (lang_identify): Constify a char*.
23481 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23483 * genpeep.c (main): Make generated file include "function.h".
23484 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
23486 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23488 * Makefile.in: Update dependencies.
23489 * alias.c: Include "function.h"
23490 * c-decl.c: Likewise.
23491 * caller-save.c: Likewise.
23492 * calls.c: Likewise.
23493 * combine.c: Likewise.
23495 * explow.c: Likewise.
23496 * final.c: Likewise.
23497 * global.c: Likewise.
23498 * graph.c: Likewise.
23499 * local-alloc.c: Likewise.
23500 * loop.c: Likewise.
23501 * optabs.c: Likewise.
23502 * profile.c: Likewise.
23503 * recog.c: Likewise.
23504 * regclass.c: Likewise.
23505 * regmove.c: Likewise.
23506 * reload.c: Likewise.
23507 * reorg.c: Likewise.
23508 * resource.c: Likewise.
23509 * sched.c: Likewise.
23510 * stupid.c: Likewise.
23511 * config/1750a/1750a.c: Likewise.
23512 * config/a29k/a29k.c: Likewise.
23513 * config/arc/arc.c: Likewise.
23514 * config/arm/arm.c: Likewise.
23515 * config/arm/thumb.c: Likewise.
23516 * config/c4x/c4x.c: Likewise.
23517 * config/clipper/clipper.c: Likewise.
23518 * config/convex/convex.c: Likewise.
23519 * config/fx80/fx80.c: Likewise.
23520 * config/i860/i860.c: Likewise.
23521 * config/m68k/m68k.c: Likewise.
23522 * config/m88k/m88k.c: Likewise.
23523 * config/mips/mips.c: Likewise.
23524 * config/pdp11/pdp11.c: Likewise.
23525 * config/pyr/pyr.c: Likewise.
23526 * config/romp/romp.c: Likewise.
23527 * config/sh/sh.c: Likewise.
23528 * config/tahoe/tahoe.c: Likewise.
23529 * config/vax/vax.c: Likewise.
23530 * config/we32k/we32k.c: Likewise.
23531 * config/sparc/sparc.c: Include "function.h".
23532 (mem_min_alignment): Test current_function rather than
23533 regno_pointer_align.
23534 * config/pa/pa.c: Likewise.
23535 (compute_frame_size): Delete declaration of
23536 current_function_outgoing_args_size.
23537 * config/arc/arc.h (current_function_varargs): Delete declaration.
23538 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23540 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23542 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23543 current_function_uses_pic_offset_table.
23544 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23545 of current_function_returns_pointer.
23546 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23547 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23548 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23549 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23550 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23551 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23552 * config/m88k/m88k.c: Include "function.h"
23553 (call_used_regs, current_function_pretend_args_size,
23554 current_function_outgoing_args_size, frame_pointer_needed): Delete
23556 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23558 * config/mips/mips.h (current_function_calls_alloca): Delete
23560 * config/mn10200/mn10200.h (current_function_needs_context,
23561 rtx_equal_function_value_matters): Delete declarations.
23562 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23563 flag_pic): Delete declarations.
23564 * config/pa/pa.h (current_function_pretend_args_size,
23565 current_function_decl): Delete declarations.
23566 * config/pa/som.h (current_function_varargs): Delete declaration.
23567 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23569 * config/pyr/pyr.h (current_function_pretend_args_size,
23570 current_function_args_size, current_function_calls_alloca): Delete
23572 * config/sh/sh.h (current_function_varargs): Delete declaration.
23573 * config/sparc/sparc.h (current_function_outgoing_args_size,
23574 current_function_calls_alloca, current_function_decl): Delete
23576 * config/spur/spur.h (current_function_pretend_args_size,
23577 current_function_calls_alloca): Delete declarations.
23578 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23580 * config/vax/vms.h (current_function_name): Delete declaration.
23581 * gcse.c: Include "function.h".
23582 (current_function_name, current_function_calls_setjmp): Delete
23584 * haifa-sched.c: Include "function.h".
23585 (forced_labels): Delete declaration.
23586 * jump.c: Likewise.
23587 * reg-stack.c: Likewise.
23588 * reload1.c: Likewise.
23589 * genemit.c (main): Make generated file include function.h.
23590 * genoutput.c (output_prologue): Likewise.
23592 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23593 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23594 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23595 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23596 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23597 macros for some of them.
23598 (emit_filename, emit_lineno): Delete declarations.
23599 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23600 regno_pointer_* variables through current_function.
23601 (gen_inline_header_rtx): Delete function.
23602 (save_emit_status): Delete function.
23603 (set_new_last_label_num): New function.
23604 (clear_emit_caches): New function.
23605 (restore_emit_status): Just clear last_labelnum and call
23607 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23608 through macro seq_stack.
23609 (add_insn_after): Likewise.
23610 (add_insn_before): Likewise.
23611 (remove_insn): Likewise.
23612 (pop_topmost_sequence): Likewise.
23613 (in_sequence_p): Likewise.
23614 (start_sequence_for_rtl_expr): Likewise.
23615 (start_sequence): Likewise, and likewise for
23616 sequence_rtl_expr/seq_rtl_expr.
23617 (push_topmost_sequence): Likewise.
23618 (end_sequence): Likewise.
23619 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23620 All callers changed. Store into that pointer instead of globals.
23621 (init_emit): Allocate emit elt of current_function.
23622 Changes for sequence_rtl_expr/sequence_stack renaming.
23623 Call clear_emit_caches instead of doing it in-line.
23624 Access regno_pointer_* variables through current_function.
23625 (init_emit_once) Don't clear sequence_stack.
23627 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23629 (arg_pointer_save_area): Delete declaration.
23630 (finish_expr_for_function): Renamed from init_queue; no longer static.
23631 (init_expr): Don't call init_queue.
23632 (save_expr_status, restore_expr_status): Delete functions.
23633 (expand_expr): Changes to reflect new layout of struct function.
23634 Don't access current_function_check_memory_usage when current_function
23636 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23637 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23638 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23639 current_function_uses_const_pool, function_call_count,
23640 current_function_uses_pic_offset_table, nonlocal_labels,
23641 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23642 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23643 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23645 (finish_expr_for_function): Declare.
23646 * flags.h (current_function_has_nonlocal_label,
23647 current_function_has_nonlocal_goto, current_function_is_thunk,
23648 current_function_has_computed_jump): Delete declarations.
23649 * flow.c (forced_labels): Delete declaration.
23650 * function.c (current_function_pops_args,
23651 current_function_returns_struct, current_function_returns_pcc_struct,
23652 current_function_needs_context, current_function_calls_setjmp,
23653 current_function_calls_longjmp, current_function_has_nonlocal_label,
23654 current_function_has_nonlocal_goto, current_function_is_thunk,
23655 current_function_has_computed_jump, current_function_calls_alloca,
23656 current_function_contains_functions, current_function_returns_pointer,
23657 current_function_epilogue_delay_list, current_function_args_size,
23658 current_function_pretend_args_size, current_function_arg_offset_rtx,
23659 current_function_outgoing_args_size, current_function_varargs,
23660 current_function_stdarg, current_function_args_info, cleanup_label,
23661 current_function_name, current_function_uses_const_pool,
23662 current_function_instrument_entry_exit, current_function_return_rtx,
23663 current_function_uses_pic_offset_table, nonlocal_labels,
23664 current_function_internal_arg_pointer, current_function_cannot_inline,
23665 current_function_check_memory_usage, function_call_count,
23666 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23667 nonlocal_goto_stack_level, return_label, save_expr_regs,
23668 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23669 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23670 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23671 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23672 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23674 (push_function_context_to): Don't save them. Don't call
23675 save_storage_status, save_emit_status or save_expr_status.
23676 (pop_function_context_from): Don't restore them. Don't call
23677 restore_storage_status or restore_expr_status.
23678 (get_func_frame_size): New function.
23679 (get_frame_size): Use it.
23680 (assign_outer_stack_local): Reflect some member name changes in struct
23682 (put_reg_into_stack): Likewise.
23683 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23685 (fixup_var_refs): Likewise.
23686 (fix_lexical_addr): Likewise.
23687 (trampoline_address): Likewise.
23688 (prepare_function_start): Clear field inlinable of current_function.
23689 (init_function_for_compilation): New function.
23690 (expand_dummy_function_end): New function.
23691 (expand_function_end): Call finish_expr_for_function.
23692 * function.h (struct emit_status): New; fields moved here from struct
23693 function and from global variables. Add accessor macros for some of
23695 (struct expr_status): Likewise.
23696 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23697 (struct function): Add fields expr and emit, inlinable, inl_emit,
23698 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23699 inl_max_label_num. Add many comments.
23700 Add accessor macros for all elts of struct function that no longer
23701 have a global variable.
23702 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23703 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23704 stack_slot_list): Delete declarations.
23705 (get_func_frame_size): Declare.
23706 (save_expr_status, restore_expr_status, save_emit_status,
23707 save_storage_status, restore_storage_status): Delete declarations.
23708 (init_virtual_regs): Declare.
23709 * output.h (current_function_pops_args,
23710 current_function_returns_struct, current_function_returns_pcc_struct,
23711 current_function_needs_context, current_function_calls_setjmp,
23712 current_function_calls_longjmp, current_function_calls_alloca,
23713 current_function_has_nonlocal_label, current_function_varargs,
23714 current_function_has_computed_jump, current_function_returns_pointer,
23715 current_function_contains_functions, current_function_args_size,
23716 current_function_pretend_args_size, current_function_stdarg,
23717 current_function_outgoing_args_size, current_function_args_info,
23718 current_function_name, current_function_return_rtx,
23719 current_function_epilogue_delay_list,
23720 current_function_uses_const_pool, current_function_cannot_inline):
23721 Delete declarations.
23722 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23723 regno_reg_rtx): Delete declaration.
23724 (REGNO_POINTER_FLAG): Delete macro.
23725 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23726 function were renamed.
23727 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23729 * toplev.c: Include "function.h".
23730 (current_function_decl): Delete declaration.
23731 (compile_file): Call init_dummy_function_start and
23732 expand_dummy_function_end around some initializations that need to
23734 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23735 Call init_function_for_compilation.
23736 * unroll.c: Include "function.h"
23737 (unroll_loop): Access regno_pointer_* variables through
23740 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23741 (DECL_SAVED_INSNS): use it.
23742 (expand_dummy_function_end): Declare.
23743 (init_function_for_compilation): Declare.
23744 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23745 that it's no longer an INLINE_HEADER.
23746 (expand_call): Likewise.
23747 * integrate.c (finish_inline): Delete function.
23748 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23749 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23750 args. Don't generate an INLINE_HEADER rtx, just return the arg
23751 vector. All callers changed.
23752 (save_for_inline_copying): Create a duplicate struct emit_status to
23753 hold the emit state for compiling the current function. Use this and
23754 the other new fields in struct function that are for integration
23755 instead of an INLINE_HEADER.
23756 Use memcpy instead of bcopy.
23757 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23758 (save_for_inline_nocopy): Similar changes, except no new emit_status
23760 (expand_inline_function): Get information from function structure,
23761 not from an inline header rtx.
23762 (output_inline_function): Lose code to extract the necessary
23763 information from an inline header; simply put back the function
23764 structure into current_function. Clear its inlinable elt.
23765 * rtl.def (INLINE_HEADER): Delete.
23766 * rtl.h: Delete all accessors for an INLINE_HEADER.
23767 (gen_inline_header_rtx): Delete declaration.
23768 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23769 Delete declarations.
23770 (REGNO_POINTER_ALIGN): Delete.
23771 (clear_emit_caches): Declare.
23772 (set_new_last_label_num): Declare.
23774 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23776 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23778 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23779 * stmt.c (is_eh_region): Make sure current_function is present, too.
23781 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23783 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23784 for 64bit PA targets.
23786 * pa.h (SELECT_SECTION): Define.
23787 * som.h (SELECT_SECTION): Delete.
23789 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23791 * alias.c (init_alias_analysis): Wrap call to
23792 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23794 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23796 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23797 <sys/asm.h> contains an asm comment with an apostrophe
23798 * fixinc/inclhack.sh: regen
23799 * fixinc/fixincl.x: regen
23801 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23803 * function.c (init_function_start): Clear prologue & epilogue.
23804 (prologue_epilogue_contains): New function.
23805 * alias.c (init_alias_analysis): Use it.
23806 * rtl.h (prologue_epilogue_contains): Declare it.
23808 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23810 * jump.c (onlyjump_p): New function.
23811 * rtl.h: Declare it.
23812 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23813 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23815 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23817 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23818 to invert loops. Simplify block scanning.
23820 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23822 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23823 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23825 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23827 * config/sparc/liteelf.h: New file to support sparclite-elf target
23828 * config/sparc/t-sp86x: New file to support sparc86x targets
23829 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23830 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23831 * configure.in: Support above target triplets
23832 * configure: Regenerated
23834 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23836 * fixinc/server.c (server_setup): Do not prefix function used as
23837 parameter with `&'.
23839 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23841 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23842 Remove fp reg alternatives.
23844 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23846 * Makefiin (TAROUTOPTS): Kill.
23847 (install-headers-tar): Use "xpf" for tar headerfile extraction
23848 * i370/x-oe (TAROUTOPTS): Delete.
23849 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23850 * m68k/x-hp320 (TAROUTOPTS): Delete.
23851 * m68k/x-hp320g (TAROUTOPTS): Delete.
23852 * gcc.texi: Update bug reporting text.
23854 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23856 * reg-stack.c (change_stack) Fixed problem with negative array index.
23858 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23860 * extend.texi, install.texi: Fix spelling mistakes.
23862 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23863 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23864 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23865 PREMADE_ATTRTAB_MD.
23866 * mips/t-ecoff: Likewise.
23867 * mips/t-elf: Likewise.
23868 * mips/t-mips: Likewise.
23869 * mips/t-osfrose: Likewise.
23870 * mips/t-r3900: Likewise.
23871 * mips/t-svr3: Likewise.
23872 * mips/t-svr4: Likewise.
23873 * mips/t-ultrix: Likewise.
23875 * gcc.texi: Document recommend means to provide software floating
23876 point libraries in libgcc.a
23878 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23880 * c-lex.c (yylex): We can have a number with no digits.
23882 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23884 * jump.c (delete_prior_computation): New function, broken
23885 out of delete_computation. Check for side effects with
23886 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23887 multi-word hard registers.
23888 (delete_computation): Use it. Check for side effects with
23889 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23890 missing REG_DEAD note for a register which is both set and
23893 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23895 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23896 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23897 (ASM_FILE_START): Import _mcount with the right type.
23898 (ASM_DECLARE_FUNCTION_NAME): Define.
23899 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23900 * pa.c (output_function_prologue): Always emit the function's label
23902 * pa.h (TEXT_SPACE_P): Define.
23903 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23904 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23905 * som.h (TEXT_SPACE_P): Delete.
23906 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23907 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23909 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23911 * expr.c (emit_group_load): Allow src to be a CONCAT.
23913 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23915 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23916 (___mulsi3): Use '!' comment character.
23918 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23920 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23922 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23924 * gcc.c: Update URLs and mail addresses.
23925 * gcc.texi: Likewise.
23927 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23929 * rs6000.c (current_file_function_operand): Return zero for
23931 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23933 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23936 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23938 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23939 allocate space in the stack frame for the PIC register.
23941 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23943 * m68k.md (xordi3, anddi3): These patterns are not available on
23946 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23948 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23949 (PUT_REAL): Likewise.
23951 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23953 * final.c (shorten_branches): Don't add an alignment for loops
23954 that have no label inside.
23956 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23958 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23959 prototypes in macro HAVE_cmpstrsi.
23961 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23963 * emit-rtl.c (operand_subword): Remove unused variable
23966 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23968 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23970 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23972 * cpphash.c (macroexpand): Delete leading whitespace when arg
23973 is concatenated before.
23974 (unsafe_chars): Correct test for whether + and - can extend a
23977 * cppinit.c (cpp_start_read): Do dependencies for
23978 -include/-imacros files also.
23980 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23981 tokenizing non-directive lines.
23982 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23983 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23986 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23988 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23990 * c-lex.c: Sync with C++ frontend.
23991 (linemode): New variable.
23992 (parse_float): imag, conversion_errno, and type are output only.
23993 (yylex): Adjust. Move initial '.' case into main switch.
23995 (handle_generic_pragma): Just deal with tokens.
23996 (readescape): Use ISXDIGIT and ISGRAPH.
23997 * c-parse.in: Add END_OF_LINE token.
23999 * c-lex.c (lang_init): Generalize.
24000 (nextchar): Remove. Replace uses with UNGETC.
24001 (skip_white_space): Handle linemode here. Optimize for cpplib.
24002 (skip_white_space_on_line): Remove.
24003 (extend_token_buffer_to): New fn.
24004 (extend_token_buffer): Use it.
24005 (read_line_number, check_newline): Just deal with tokens.
24006 (token_getch, token_put_back): New fns.
24007 (yylex): Use them. More cpplib optimizations. Simplify.
24009 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24010 Jason Merrill <jason@yorick.cygnus.com>
24012 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
24013 (consume_string): Make this smart about USE_CPPLIB.
24014 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
24015 (yylex): Rewrite to be intelligent about USE_CPPLIB.
24016 Also, clean up cases where we redundantly set token_buffer[0].
24017 (read_line_number): New fn.
24018 (ignore_escape_flag): New variable.
24020 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
24022 * a29k/t-a29kbare: Fix some comments.
24023 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
24024 (FPBIT, DPBIT): Define.
24025 * a29k/t-vx29k: Likewise.
24026 * arc/t-arc: Likewise.
24027 * arm/t-arm-elf: Likewise.
24028 * arm/t-bare: Likewise.
24029 * arm/t-pe: Likewise.
24030 * arm/t-pe-thumb: Likewise.
24031 * arm/t-semi: Likewise.
24032 * arm/t-thumb: Likewise.
24033 * arm/t-thumb-elf: Likewise.
24034 * arm/t-thumb-linux: Likewise.
24035 * h8300/t-h8300: Likewise.
24036 * i960/t-i960: Likewise.
24037 * i960/t-vxworks960: Likewise.
24038 * m32r/t-m32r: Likewise.
24039 * mips/t-ecoff: Likewise.
24040 * mips/t-elf: Likewise.
24041 * mips/t-r3900: Likewise.
24042 * pa/t-pro: Likewise.
24043 * rs6000/t-aix43: Likewise.
24044 * rs6000/t-beos: Likewise.
24045 * rs6000/t-newas: Likewise.
24046 * rs6000/t-ppccomm: Likewise.
24047 * rs6000/t-rs6000: Likewise.
24048 * rs6000/t-winnt: Likewise.
24049 * rs6000/t-xnewas: Likewise.
24050 * rs6000/t-xrs6000: Likewise.
24051 * sh/t-sh: Likewise.
24052 * sparc/t-elf: Likewise.
24053 * sparc/t-sparcbare: Likewise.
24054 * sparc/t-sparclite: Likewise.
24055 * sparc/t-splet: Likewise.
24056 * v850/t-v850: Likewise.
24057 * mn10200/t-mn10200: Fix comments.
24058 * mn10300/t-mn10300: Likewise.
24060 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
24061 dummy operand. Allocate a new pseudo for the dummy operand.
24062 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
24064 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
24066 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
24068 * configure: Rebuilt.
24069 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
24071 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
24073 * recog.c (preproces_constraints): Zero recog_op_alt before
24074 processing the constraints.
24076 * arm.c (typedef minipool_node): Renamed from pool_node.
24077 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
24078 (add_minipool_constant): New function.
24079 (dump_minipool): New function.
24080 (find_barrier): Remove special case for getting the insn size of
24081 an insn that references the constant pool.
24082 (minipool_fixup): New structure.
24083 (push_minipool_barrier): New function.
24084 (push_minipool_fix): New function.
24085 (note_invalid_constants): New function.
24086 (add_pool_constant, dump_table, fixit, broken_move): Delete.
24087 (arm_reorg): Rewrite code to fix up the constant pool into a
24088 series of mini-pools embedded in the insn stream.
24089 (arm_output_epilogue): New function, made mainly from the body
24090 of output_func_epilogue.
24091 (output_func_epilogue): Move insn generation part of epilogue code
24092 to arm_output_epilogue.
24093 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
24094 * arm.md (pool_range): New attribute.
24095 (zero_extendqidi2): Add attribute pool_range.
24096 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
24097 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
24098 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
24099 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
24100 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
24101 (epilogue): New expand.
24102 (epilogue_insn): New insn. Call arm_output_epilogue.
24104 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
24105 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
24107 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24109 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
24111 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
24113 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
24115 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
24117 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
24119 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
24121 * global.c: Fix comment.
24123 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
24125 * gcc.c (access_check): New static function.
24126 (find_a_file): Use it when searching a directory list.
24127 * collect2.c (find_a_file): Don't accept directories found when
24128 searching a directory list.
24130 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
24132 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
24133 function parameters with `&'.
24134 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
24136 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
24138 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
24139 or tidy_fallthru_edge if the last insn in the block is not
24140 an unconditional jump or a simple conditional jump.
24142 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24144 * Makefile.in (c-decl.o): Depends on defaults.h.
24146 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
24148 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
24150 (CLASS_MAX_NREGS): Likewise.
24152 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
24154 * cse.c (cse_insn): Fix dumb thinko in last change.
24156 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24158 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
24161 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
24163 * dwarf2out.c (add_location_or_const_value_attribute): Correct
24164 test for sizes of passed and declared parameter types.
24166 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24168 * fixincludes: Fix the return type of bsearch, char* -> void*.
24170 * fixinc/inclhack.def: Likewise.
24172 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
24174 * invoke.texi (-fdump-translation-unit): New option.
24176 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
24178 * expr.h (PROMOTE_PROTOTYPES): Move ...
24179 * defaults.h: ... to here.
24180 * c-decl.c: Include defaults.h instead of expr.h.
24181 * c-typeck.c: Include defaults.h.
24183 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
24185 * toplev.h (errorcount): Declare.
24186 (warningcount): Likewise.
24187 (sorrycount): Likewise.
24188 * c-lex.c (errorcount): Don't declare.
24189 * dwarf2out.c (errorcount): Don't declare.
24191 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
24193 * config/libgloss.h: Add a note discouraging use with ELF.
24194 * configure.in: Don't use libgloss.h for ELF targets.
24195 Always use_collect2 on a.out targets.
24197 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
24199 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
24200 (force_to_mode, case ASHIFTRT): Add shiftrt label.
24202 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24204 * loop.c (strength_reduce): When doing biv->giv conversion, update
24205 reg note of NEXT->insn.
24207 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24209 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
24211 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24213 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
24214 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
24215 Ensure expr.h is included.
24216 * c-typecheck.c (convert_arguments): Ditto.
24218 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
24220 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
24221 * config/convex/convex.h: Ditto.
24222 * config/dsp16xx/dsp16xx.h: Ditto.
24223 * config/fx80/fx80.h: Ditto.
24224 * config/gmicro/gmicro.h: Ditto.
24225 * config/i370/i370.h: Ditto.
24226 * config/i386/i386.h: Ditto.
24227 * config/m32r/m32r.h: Ditto.
24228 * config/m68k/m68k.h: Ditto.
24229 * config/m88k/m88k.h: Ditto.
24230 * config/mips/mips.h: Ditto.
24231 * config/pa/pa.h: Ditto.
24232 * config/pyr/pyr.h: Ditto.
24233 * config/tahoe/tahoe.h: Ditto.
24234 * config/we32k/we32k.h: Ditto.
24236 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
24237 based on arch size.
24239 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
24241 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
24244 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
24246 1999-08-02 Richard Henderson <rth@cygnus.com>
24248 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
24249 for the register spill block.
24250 (m32r_va_arg): New.
24251 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
24252 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
24254 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
24255 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
24256 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
24258 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24260 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
24261 MAX_WCHAR_TYPE defined in sparc.h.
24262 * config/sparc/linuxaout.h: Likewise.
24263 * config/sparc/linux64.h: Likewise.
24264 Also default to -mvis if CPU is UltraSPARC.
24266 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24268 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
24269 (RTX_OK_FOR_OLO10): Likewise.
24270 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
24271 %lo(), allow it in addresses...
24272 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
24273 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
24274 does not make sense.
24275 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
24276 (sparc_output_scratch_registers): New function.
24277 (output_function_prologue, sparc_flat_output_function_prologue): Use
24279 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
24281 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
24282 * configure.in: Add check for .register pseudo-op support in as and
24283 check for offsetable %lo().
24284 * acconfig.h: Add templates for the above checks.
24285 * configure: Regenerate.
24287 1999-08-02 Richard Henderson <rth@cygnus.com>
24289 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
24290 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
24291 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
24293 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24295 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24298 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24300 * config/float-sparc.h: New file.
24301 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
24302 sparc-*-linux-gnu and sparc64-*-linux*.
24304 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24306 * rs6000.c (rs6000_va_list): Type is an array.
24307 (rs6000_va_start): Don't doubly adjust for varargs.
24308 (rs6000_va_arg): Evaluate long long GPR adjustment.
24310 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
24312 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
24313 -maix64 and -maix32.
24314 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
24315 LINK_SPEC): Change appropriately.
24316 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
24317 (u_short_cint_operand): Likewise.
24318 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
24320 * rs6000/t-aix43 (MULTILIB): Change to -m64.
24322 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
24324 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
24326 * rs6000/rs6000.c (num_insns_constant_wide): Correct
24327 for type promotion.
24328 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
24329 (non_add_cint_operand): Likewise.
24330 (logical_operand): Likewise.
24331 (non_logical_cint_operand): Likewise.
24332 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
24333 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
24334 (rs6000_select_rtx_section): Suppress warning.
24335 (small_data_operand): Suppress warning.
24336 (rs6000_got_register): Suppress warning.
24337 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
24338 type, so `J' is generally the wrong constraint for a SImode value;
24340 (andsi3_internal2): Likewise.
24341 (andsi3_internal3): Likewise.
24342 (iorsi3_internal1): Likewise.
24343 (xorsi3_internal1): Likewise.
24345 (movsf_softfloat): Likewise.
24346 (scc insns): Likewise.
24347 (movsi+2): Preserve sign bits of SImode constant.
24348 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
24349 (movdf+1): Sign-extend properly.
24350 (movdi_32+1): Sign-extend properly.
24351 (scc insns): Sign-extend properly.
24353 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
24356 1999-08-02 Richard Henderson <rth@cygnus.com>
24358 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
24359 -mcpu parsing code.
24360 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
24361 * alpha.md (all fp insns): Likewise.
24363 1999-08-02 Nick Clifton <nickc@cygnus.com>
24365 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
24368 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
24370 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
24371 pic_load_label generator directly.
24372 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
24373 No longer a named pattern.
24375 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
24377 * explow.c (force_reg): Call force_operand if X does not
24378 satisfy general_operand.
24380 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
24382 * fix-header.c (main): When testing for CONTINUED, use string
24383 equality, not pointer equality.
24385 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
24387 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
24389 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
24391 * cse.c (cse_insn): Fix loop which deletes insns after a jump
24392 that has become an unconditional jump.
24394 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
24395 (output_function_epilogue): Similarly.
24397 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24399 * tree.h (init_dummy_function_start): Declare.
24401 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24403 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
24404 last_expr_type, last_expr_value, block_start_count, block_stack,
24405 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
24406 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
24407 dynamically in stmt elt of struct function for each function.
24408 (struct nesting): Rename function_call_count elt to n_function_calls,
24409 target_temp_slot_level to block_target_temp_slot_level. All users
24411 (struct stmt_status): New structure definition.
24412 Add many accessor macros for stmt_status elements which previously
24413 were global variables.
24414 (init_stmt_for_function): Allocate stmt elt for current_function.
24415 Reflect that block_start_count was renamed to
24416 current_block_start_count.
24417 (save_stmt_status, restore_stmt_status): Delete functions.
24418 (preserve_subexpressions_p): Don't access loop_stack when outside
24420 (expand_start_bindings): Reflect that block_start_count was renamed to
24421 current_block_start_count.
24422 (expand_fixup): Likewise.
24423 (expand_decl): Don't access block_stack when outside a function.
24424 (expand_decl_cleanup): Likewise.
24425 (expand_dcc_cleanup): Likewise.
24426 (expand_dhc_cleanup): Likewise.
24427 (expand_anon_union_decl): Likewise.
24428 (set_file_and_line_for_stmt): New function.
24429 (in_control_zone_p): New function.
24431 * function.h (struct function): Add new elt stmt.
24432 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
24433 case_stack, nesting_stack, nesting_depth, block_start_count,
24434 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
24435 emit_lineno, goto_fixup_chain.
24436 (save_eh_status, restore_eh_status, save_stmt_status,
24437 restore_stmt_status): Delete declarations.
24438 * function.c (push_function_context_to): Don't call save_stmt_status.
24439 (pop_function_context_to): Don't call restore_stmt_status.
24440 * tree.h (in_control_zone_p): Declare.
24441 * rtl.h (set_file_and_line_for_stmt): Declare.
24443 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
24444 call set_file_and_line_for_stmt.
24446 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
24448 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
24449 Also update copyright.
24451 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24453 * c-pragma.c: Don't include "except.h".
24454 * emit-rtl.c: Likewise.
24455 * stor-layout.c: Likewise.
24456 * tree.c: Likewise.
24457 * varasm.c: Likewise.
24459 * flow.c: Include "function.h".
24460 * tree.h (init_dummy_function_start): Declare new function.
24462 * except.h (struct eh_status): New structure.
24463 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
24465 (eh_return_stub_label, ehstack, catchstack, ehqueue,
24466 catch_clauses, false_label_stack, caught_return_label_stack,
24467 protect_list, current_function_ehc): Add accessor macros for the
24468 corresponding fields in current_function->eh; delete declarations
24469 for all items that used to be declared here.
24470 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
24471 catch_clauses, false_label_stack, caught_return_label_stack,
24472 protect_list, current_function_ehc): Delete variables.
24473 (init_eh_for_function): Allocate current_function->eh.
24474 (save_eh_status, restore_eh_status): Delete functions.
24476 * function.h (struct function): Add fields next_global and eh.
24477 Delete all exception handling related fields.
24478 * function.c (current_function): New variable.
24479 (all_functions): New variable.
24480 (push_function_context_to): Don't allocate a struct function,
24481 use current_function instead. Call init_dummy_function_start when
24482 outside a function. Clear current_function before returning.
24483 (pop_function_context_from): Restore current_function.
24484 Don't free the restored struct function.
24485 (prepare_function_start): New function.
24486 (init_dummy_function_start): New function.
24487 (init_function_start): Break out some code into prepare_function_start
24490 * stmt.c (save_stmt_status): Don't call save_eh_status.
24491 (restore_stmt_status): Don't call restore_eh_status.
24493 * Makefile.in: Update dependencies.
24495 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24497 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24498 of depending on a magic constant value. Update comments.
24499 (hppa_expand_prologue): Similarly.
24501 * pa.md (reload_indi, reload_outdi): Allow any register for the
24502 original reload register.
24504 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24506 * cccp.c (print_help): Change marcos to macros.
24508 1999-07-30 Richard Henderson <rth@cygnus.com>
24510 * c-typeck.c (initializer_constant_valid_p): Move ...
24511 * c-common.c (initializer_constant_valid_p): ... here. Use
24512 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24513 of label addresses.
24514 * c-common.h (initializer_constant_valid_p): Declare.
24515 * c-tree.h (initializer_constant_valid_p): Remove.
24517 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24519 * config/i386/sol2-c1.asm: Align the stack.
24520 * config/i386/sol2-gc1.asm: Likewise.
24522 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24524 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24525 -Asparclite for sparc86x.
24526 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24528 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24530 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24532 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24533 the user if using the non-default arch size in BI_ARCH configuration.
24534 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24536 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24537 Fix patterns so that they actually match.
24538 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24539 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24540 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24542 (mulsidi3): Reflect this in the expand.
24543 (smulsi3_highpart): Only on TARGET_ARCH32.
24544 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24545 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24546 (umulsidi3): Reflect this in the expand.
24547 (umulsi3_highpart): Only on TARGET_ARCH32.
24548 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24549 don't require g0 to be zero.
24550 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24551 ({,u}divsi3): New expands.
24552 ({,u}divsi3_sp64): New patterns.
24553 (after lshrdi3_v8plus): Four new patterns to help combiner
24554 optimizing nested mixed mode shifts.
24556 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24557 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24558 speed things up. Don't use them by default on plain v9 in 64bit
24559 mode, according to what SPAMv9 sais.
24561 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24562 top 32 bits of %[og][0-7] in signal handlers.
24563 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24565 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24567 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24568 (ashlsi3): Corresponding changes.
24570 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24572 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24574 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24576 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24578 * arm.h (Hint): Delete macro.
24579 Substitute HOST_WIDE_INT for Hint in some prototypes.
24580 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24582 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24584 * builtins.c (expand_builtin_setjmp): Use force_operand to
24585 make sure that the buffer address is in a suitable form to be
24586 passed to force_reg.
24588 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24590 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24593 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24595 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24596 proper mode in the condition string.
24597 (icacheflush, dcacheflush): Remove modes from match_operands.
24599 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24600 proper mode before using it.
24602 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24605 * pa.c (store_reg): Do not call add_high_const generator directly.
24606 (load_reg, set_reg_plus_d): Likewise.
24607 * pa.md (add_high_const): No longer a named pattern.
24609 * pa.c (legitimize_address): Consistently use Pmode rather than
24610 SImode. Do not call gen_pic2_highpart directly anymore.
24611 * pa.md (pic2_highpart): No longer a named pattern.
24612 (pic2_lo_sum): Similarly. Reformat to make more readable.
24614 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24619 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24621 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24623 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24625 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24626 and tag the spill mems.
24627 (hppa_va_start): New.
24628 (hppa_va_arg): New.
24629 * pa.h (EXPAND_BUILTIN_VA_START): New.
24630 (EXPAND_BUILTIN_VA_ARG): New.
24632 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24634 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24635 and tag the spill mems.
24636 (mn10300_va_start): New.
24637 (mn10300_va_arg): New.
24638 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24639 (EXPAND_BUILTIN_VA_ARG): New.
24641 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24643 * mn10200.c (mn10200_va_arg): New.
24644 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24646 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24648 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24649 rather than play with TREE_INT_CST_LOW.
24651 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24653 * config/arm/telf.h: Include dbxelf.h.
24654 (CPP_PREDEFINES): Only define if not already defined.
24655 (ASM_IDENTIFY_GCC): Likewise.
24656 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24657 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24658 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24660 (DBX_DEBUGGING_INFO): Don't define.
24661 * config/arm/linux-telf.h: New file.
24662 * config/arm/linux-tgas.h: New file.
24663 * config/arm/t-thumb-linux: New file.
24664 * config/arm/uclinux-elf.h: New file.
24665 * config/arm/uclinux-telf.h: New file.
24666 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24667 thumb-*-uclinux): New targets.
24668 * configure: Regenerate.
24670 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24672 * pa.md (post_store, pre_load): New expanders.
24673 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24674 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24675 need to directly generate RTL for them.
24676 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24679 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24681 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24682 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24683 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24684 (secndary_reload_class): Make TARGET_ELF conditional compile.
24685 (print_operand_address): Similar.
24686 (output_toc): Print all values as hex.
24687 (get_issue_rate): Rearrange and add RS64A and PPC630.
24688 * rs6000.h (processor_type): Add RS64A and PPC630.
24689 (PROCESSOR_POWERPC64): New.
24690 (PROMOTE_MODE): Use word_mode.
24691 (RTX_COSTS): Add RS64A and PPC630.
24692 * rs6000.md (scheduling information): Add lmul and ldiv
24693 representing 64-bit integer multiply and divide. Add rs64a and
24694 PPC630 information.
24695 (ashldi3): Add support for "rldic" instruction.
24696 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24698 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24700 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24701 instead of V8 for sparclite86x in cpu_table.
24703 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24705 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24706 output_file_directive.
24708 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24710 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24711 tree for op1, not the rtl.
24713 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24715 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24716 to m88k_va_start, leaving only the register spill.
24717 (m88k_build_va_list): New.
24718 (m88k_va_start): New.
24719 (m88k_va_arg): New.
24720 * m88k.h (BUILD_VA_LIST_TYPE): New.
24721 (EXPAND_BUILTIN_VA_START): New.
24722 (EXPAND_BUILTIN_VA_ARG): New.
24724 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24726 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24727 Rename from expand_builtin_saveregs.
24728 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24730 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24732 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24733 for the register spill block.
24734 (i960_build_va_list): New.
24735 (i960_va_start): New.
24736 (i960_va_arg): New.
24737 * i960.h (BUILD_VA_LIST_TYPE): New.
24738 (EXPAND_BUILTIN_VA_START): New.
24739 (EXPAND_BUILTIN_VA_ARG): New.
24740 * i960.md (store_multiple): Use change_address on individul mems.
24742 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24744 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24746 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24747 (expand_builtin_va_end): Evaluate arg for side effects.
24748 * c-common.c (c_common_nodes_and_builtins): Construct a
24749 va_list_arg_type_node to handle array decomposition to pointer.
24751 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24753 * except.c (st_dynamic_cleanup): Use force_operand on the
24756 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24758 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24759 * c4x.c (c4x_va_arg): New.
24761 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24763 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24764 has manual_pop set.
24766 1999-07-26 Nathan Sidwell <nathan@acm.org>
24768 * eh-common.h (__eh_matcher): Prototype correctly.
24770 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24772 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24773 (TARGET_SINGLE_PIC_BASE): Likewise.
24774 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24776 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24777 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24778 (TARGET_OPTIONS): Add -mpic-register=N.
24779 (OUTPUT_INT_ADDR_CONST): New macro.
24780 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24781 LEGITIMATE_PIC_OPERAND_P): Likewise.
24782 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24783 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24784 output_addr_const directly.
24785 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24787 (thumb_pic_register, thumb_pic_register_string): Declare.
24789 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24791 (label_mentioned_p): New function: Imported from arm.c.
24792 (legitimize_pic_address): New function: Imported from arm.c.
24793 (is_pic):New function: Imported from arm.c.
24794 (thumb_finalize_pic):New function: Imported from arm.c.
24795 (add_constant): Cope with PIC constants.
24796 (fixit): Cope with PIC constants.
24797 (output_return): Do not treat the PIC register as live if
24798 TARGET_SINGLE_PIC_BASE is true.
24799 (thumb_function_prologue): Do not treat the PIC register as live if
24800 TARGET_SINGLE_PIC_BASE is true.
24801 (thumb_expand_prologue): Do not treat the PIC register as live if
24802 TARGET_SINGLE_PIC_BASE is true.
24803 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24804 TARGET_SINGLE_PIC_BASE is true.
24805 (thumb_print_operand): Accept '|'.
24806 (thumb_override_options): Process PIC options.
24808 * config/arm/thumb.md (movsi): Support PIC.
24809 (call_insn): Change "i" constraint to "X".
24810 (call_value_insn): Likewise.
24811 (consttable_4, consttable_8, consttable_end): Set and clear
24812 "making_const_table" as appropriate.
24813 (pic_load_addr, pic_add_dot_plus_four): New insns.
24815 * invoke.texi (Thumb Options): Fix spelling. Document new
24816 options -msingle-pic-base and -mpic-register=.
24818 1999-07-26 Andrew Haley <aph@cygnus.com>
24820 * config/m32r/initfini.c (__init): Use a full word immediate for
24821 __fini: this allows it to be placed in any memory region.
24823 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24824 -mmodel=medium. This is OK for all memory models.
24826 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24828 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24829 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24831 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24833 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24836 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24838 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24840 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24841 (BUILD_VA_LIST_TYPE): New.
24842 (EXPAND_BUILTIN_VA_START): New.
24843 (EXPAND_BUILTIN_VA_ARG): New.
24844 * i860.c (output_delayed_branch): Disable.
24845 (output_delay_insn): Likewise.
24846 (i860_saveregs): New.
24847 (i860_build_va_list): New.
24848 (i860_va_start): New.
24849 (i860_va_arg): New.
24850 * i860.md: Disable all peepholes using output_delayed_branch.
24851 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24853 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24855 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24856 (BUILD_VA_LIST_TYPE): New.
24857 (EXPAND_BUILTIN_VA_START): New.
24858 (EXPAND_BUILTIN_VA_ARG): New.
24859 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24860 Return the address of the save area.
24861 (clipper_build_va_list): New.
24862 (clipper_va_start): New.
24863 (clipper_va_arg): New.
24865 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24867 * arc.h (EXPAND_BUILTIN_VA_START): New.
24868 (EXPAND_BUILTIN_VA_ARG): New.
24869 * arc.c (arc_setup_incoming_varargs): Set alias set of
24871 (arc_va_start): New.
24874 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24876 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24877 (BUILD_VA_LIST_TYPE): New.
24878 (EXPAND_BUILTIN_VA_START): New.
24879 (EXPAND_BUILTIN_VA_ARG): New.
24880 * alpha.c (alpha_builtin_saveregs): Delete.
24881 (alpha_build_va_list): New.
24882 (alpha_va_start): New.
24883 (alpha_va_arg): New.
24885 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24887 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24889 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24890 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24892 * gcc.texi: More changes related to list conversion.
24893 * invoke.texi: Likewise.
24895 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24897 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24898 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24899 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24900 (stabilize_va_list): New function.
24901 (std_expand_builtin_va_start): New function.
24902 (expand_builtin_va_start): New function.
24903 (get_varargs_alias_set): New function.
24904 (std_expand_builtin_va_arg): New function.
24905 (expand_builtin_va_arg): New function.
24906 (expand_builtin_va_end): New function.
24907 (expand_builtin_va_copy): New function.
24908 (expand_builtin): Call them.
24909 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24910 __builtin_{varargs_start,stdarg_start,end,copy}.
24911 (build_va_arg): New function.
24912 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24913 (build_va_arg): Declare.
24914 * c-decl.c (ptr_type_node, va_list_type_node): New.
24915 * c-parse.gperf (__builtin_va_arg): New.
24916 * c-parse.in (VA_ARG): New token.
24917 (unary_expr): Recognize it.
24918 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24919 * expr.h (std_expand_builtin_va_start): Declare.
24920 (std_expand_builtin_va_arg): Declare.
24921 (expand_builtin_va_arg): Declare.
24922 (get_varargs_alias_set): Declare.
24923 * tree.def (VA_ARG_EXPR): New.
24924 * tree.h (BUILT_IN_VARARGS_START): New.
24925 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24926 (ptr_type_node, va_list_type_node): Declare.
24927 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24928 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24929 * m88k.h, m88k.c: Likewise.
24930 * mn10300.h, mn10300.c: Likewise.
24931 * pa.h, pa.c: Likewise.
24932 * rs6000.h, rs6000.c: Likewise.
24933 * sh.h, sh.c: Likewise.
24934 * sparc.h, sparc.c: Likewise.
24936 * emit-rtl.c (operand_subword): Copy alias set.
24937 (change_address): Likewise.
24939 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24941 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24942 not just the first one.
24944 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24946 * config/arm/arm.h (TARGET_SWITCHES): Add
24947 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24948 (TARGET_OPTIONS): Add -mpic-register=.
24949 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24950 (arm_pic_register_string): Declare.
24951 (NEED_PLT_GOT): Delete, replace with ...
24952 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24953 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24954 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24955 * config/arm/arm.c (arm_override_options): Add new option
24957 (arm_pic_register_string): New variable.
24958 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24959 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24960 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24961 (output_return_instruction): Likewise.
24962 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24963 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24964 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24966 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24967 mention of -msched-prolog. Document new options -msingle-pic-base
24968 and -mpic-register=.
24970 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24972 * haifa-sched.c (reemit_notes): Tidy.
24973 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24976 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24978 * explow.c (trunc_int_for_mode): New function.
24979 (plus_constant_wide): Use it.
24980 * combine.c (simplify_and_const_int): Likewise.
24981 (merge_outer_ops): Likewise.
24982 (simplify_shift_const): Likewise.
24983 * cse.c (simplify_unary_operation): Likewise.
24984 (simplify_binary_operation): Likewise.
24985 * emit-rtl.c (operand_subword): Likewise.
24986 * rtl.h: Declare it.
24988 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24990 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24991 (use NUM_REGS instead of NUM_INTS).
24993 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24995 * builtins.c: New file.
24996 * expr.c (saveregs_value, apply_args_value): Delete definition,
24997 moved into builtins.c.
24998 (string_constant): No longer static.
24999 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
25000 apply_args_size, apply_result_size, result_vector,
25001 expand_builtin_apply_args, expand_builtin_apply,
25002 expand_builtin_return): Delete functions, moved into builtins.c.
25003 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
25004 * expr.h (saveregs_value, apply_args_value): Declare variables.
25005 (expand_builtin, string_constant): Declare functions.
25006 * Makefile.in: Update to build builtin.o.
25008 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
25010 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
25011 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
25012 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
25013 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
25015 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
25018 1999-07-21 Michael Meissner <meissner@cygnus.com>
25020 * print-rtl.c (print_rtx): Print the names of the virtual
25023 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
25025 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
25026 introduced in previous delta.
25028 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25030 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
25031 to avoid name clash.
25033 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
25035 * c-lex.c (yylex) : Correct the test for overflow when lexing
25038 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
25040 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
25041 (adjust_priority): Always call ADJUST_PRIORITY.
25042 (schedule_insn): Only put insns into the ready at cost 0.
25043 (schedule_block): Remove redundant initial sort. Give clock_var
25044 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
25046 * tm.texi (MD_SCHED_REORDER): Update docs.
25048 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
25049 * sparc.c (ultra_reorder_called_this_block): Delete.
25050 (ultrasparc_sched_init): Don't set it.
25051 (ultrasparc_sched_reorder): Don't check it.
25053 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
25055 * rs6000.h (struct rs6000_args): Add sysv_gregno.
25056 * rs6000.c (init_cumulative_args): Init sysv_gregno.
25057 (function_arg_boundary): Align DFmode.
25058 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
25059 to get fp reg and stack overflow correct.
25060 (function_arg): Likewise.
25061 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
25062 (setup_incoming_varargs): Restructure for ABI_V4; use
25063 function_arg_advance to skip final named argument.
25064 (expand_builtin_saveregs): Properly unskip the last integer arg
25065 when doing varargs. Adjust overflow location calculation.
25067 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
25068 explicitly unsigned.
25069 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
25070 (__VA_GP_REGSAVE): Similarly.
25071 (__va_longlong_p): Delete.
25072 (__va_arg_type_violation): New declaration.
25073 (va_arg): Restructure. Flag promotion errors. Align double.
25074 TFmode passed by reference.
25076 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
25077 in the HOST_BITS_PER_WIDE_INT > 32 case.
25079 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
25081 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
25083 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
25085 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
25086 * toplev.c (documented_lang_options): Add -fpreprocessed.
25087 * cpplib.h (struct cpp_buffer): Add preprocessed.
25088 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
25089 (cpp_start_read): Don't expand macros or emit an initial #line
25090 directive if -fpreprocessed.
25092 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
25094 * cpplib.h (struct cpp_buffer): Added manual_pop for
25095 better C++ tokenization.
25096 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
25097 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
25098 * c-common.c (cpp_token): Make non-static.
25100 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25102 * c-common.h: New file.
25103 * c-common.c (permanent_obstack): Delete unused declaration.
25104 (c_global_trees): New array.
25105 (c_common_nodes_and_builtins): New function; split off common code
25106 from init_decl_processing in both c-decl.c and cp/decl.c.
25107 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
25108 c_global_trees and accessor macros defined in c-common.h.
25109 Include c-common.h.
25110 * c-decl.c: Delete definitions for tree nodes that were replaced by
25112 (init_decl_processing): Build void_list_node.
25113 Call c_common_nodes_and_builtins; delete code to generate the common
25115 * objc/objc-act.c (build_module_descriptor): Rename variable
25116 void_list_node to avoid clash with c-common.h.
25118 * Makefile.in: Update dependencies.
25119 * objc/Make-lang.in: Likewise.
25121 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
25123 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
25124 (UNIQUE_SECTION_P): Likewise.
25125 (UNIQUE_SECTION): Likewise.
25127 1999-07-19 Linas Vepstas <linas@linas.org>
25129 * config/i370/README: New file.
25130 * config/i370/linux.h: New file.
25131 * config/i370/mvs.h: New file.
25132 * config/i370/oe.h: New file.
25133 * config/i370/t-linux: New file.
25134 * config/i370/t-mvs: New file.
25135 * config/i370/t-oe: New file.
25136 * config/i370/x-oe: New file.
25137 * config/i370/xm-linux.h: New file.
25138 * config/i370/xm-mvs.h: New file.
25139 * config/i370/xm-oe.h: New file.
25141 * i370.c (label_node_t): Add first_ref_page, label_addr,
25142 label_first_ref, label_last_ref members.
25143 (mvs_need_base_reload): Renamed from mvs_label_emitted.
25144 (MAX_MVS_LABEL_SIZE): Define.
25145 (MAX_LONG_LABEL_SIZE): Define.
25146 (alias_node_t, alias_anchor, alias_number): New.
25147 (mvs_function_table): Reorder for EBCDIC.
25148 (ascebc, ebcasc): Unconditionally define.
25149 (i370_branch_dest, i370_branch_length): New functions.
25150 (i370_short_branch, i370_label_scan): New functions.
25151 (mvs_get_label): Renamed from mvs_add_label. Search for
25152 an existing label before creating a new one.
25153 (mvs_add_label): New function.
25154 (mvs_get_label_page): New function.
25155 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
25156 over the entire list.
25157 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
25158 (mvs_check_page) [TARGET_ELF_ABI]: New function.
25159 (mvs_add_alias, mvs_need_alias): New functions.
25160 (mvs_get_alias, mvs_check_alias): New functions.
25161 (handle_pragma): New function.
25162 (mvs_function_check): New function.
25163 (unsigned_jump_follows_p): Search harder.
25164 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
25165 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
25166 * i370.h (TARGET_VERSION): Delete.
25167 (CPP_SPEC, CPP_PREDEFINES): Delete.
25168 (mvs_label_emitted): Delete.
25169 (TARGET_EBCDIC): Delete.
25170 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
25171 (HANDLE_PRAGMA): Define.
25172 (HARD_REGNO_NREGS): Handle complex modes.
25173 (HARD_REGNO_MODE_OK): Likewise.
25174 (CLASS_MAX_NREGS): Likewise.
25175 (RET_REG): Likewise.
25176 (EXTRA_CONSTRAINT): Define.
25177 (RETURN_IN_MEMORY): True for DImode.
25178 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
25179 (FUNCTION_PROFILER): Delete.
25180 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
25181 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
25182 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
25183 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
25184 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
25185 (ASM_FILE_START): Add "RMODE ANY".
25186 (ASM_OUTPUT_EXTERNAL): Check for aliases.
25187 (ASM_GLOBALIZE_LABEL): Likewise.
25188 (ASM_OUTPUT_LABELREF): Likewise.
25189 (ASM_OUTPUT_COMMON): Likewise.
25190 (PRINT_OPERAND): Handle 'K', 'W', default.
25191 (PRINT_OPERAND_ADDRESS): New.
25192 (Lots of defines): Add support for TARGET_ELF_ABI.
25193 * i370.md (attr length): New. Define for all patterns.
25194 (*): Lots of tweeks to assembly output and constraints.
25196 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
25198 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
25199 Disable patterns performing SImode comparisons with SImode values
25200 if TARGET_POWERPC64 and instruction does not sign-extend or does
25201 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
25202 differ for signed quantities.
25203 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
25204 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
25205 (decrement_and_branch_on_count): Add 64-bit variant.
25207 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25209 * final.c (output_asm_insn): When searching for the matching string
25210 for a given dialect, don't run past the end of the list of
25211 alternatives if there are fewer alternatives in the template than
25214 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
25216 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
25217 Removed paragraph about compression of files and size limitation,
25218 duplicated in the FAQ. Use gcc-patches for posting patches.
25219 * gcc.c (main): Updated URL with bug reporting instructions to
25220 gcc.gnu.org. Removed e-mail address.
25221 * system.h (abort): Likewise.
25223 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25225 * Makefile.in (stmp-multilib-sub): Make the files extracted
25226 from $(LIBGCC1) writable.
25228 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
25230 * config/arm/aout.h: Reformat for improved readability.
25232 * config/arm/arm.h: Reformat for improved readability.
25233 Replace uses of fprintf with asm_fprintf where appropriate.
25234 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
25235 function declaration assembler actions.
25236 (NUM_INTS): New macro: Convert from bytes to words.
25237 (NUM_REGS): New macro: Compute number of registers required to
25238 hold a quanitity of tyep MODE.
25239 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
25241 (NUM_ARG_REGS): New macro: The number of argument registers
25243 (ARG_REGISTER): New macro: Compute the register number of the Nth
25245 (LAST_ARG_REGNUM): New macro: The number of the last argument
25247 (SP_REGNUM): New macro: Register number of the stack pointer.
25248 (FP_REGNUM): New macro: Register number of the frame pointer.
25249 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
25250 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
25251 CUMULATIVE_ARGS so that it counts registers not bytes.
25253 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
25255 Replace uses of fprintf with asm_fprintf where appropriate.
25256 (output_ascii_pseudo_op): Replace with version from thumb.c
25258 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
25260 * config/arm/elf.h (CPP_PREDEFINES): Replace with
25261 SUBTARGET_CPP_SPEC.
25262 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
25263 (ASM_FILE_START): Emit ASM_APP_OFF.
25265 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
25267 * pa.c (compute_frame_size): Round frame according to
25268 STACK_BOUNDARY rather than a hardwired value.
25270 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
25272 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
25274 * configure: Rebuilt.
25276 * configure.in (hppa*-*-linux*): New configuration.
25277 * configure: Rebuilt.
25278 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
25279 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
25280 * pa/pa-linux.h: New file.
25281 * pa/t-linux: New file.
25282 * pa/xm-linux.h: New file.
25284 * pa.c (hppa_legitimize_address): Change references from SImode to
25285 either Pmode or word_mode as appropriate.
25286 (emit_move_sequence, store_reg, load_reg): Likewise.
25287 (set_reg_plus_d, hppa_expand_prologue): Likewise.
25288 (output_mul_insn): Likewise.
25289 * pa.h (PROMOTE_MODE): Likewise.
25290 (INITIALZE_TRAMPOLINE): Likewise.
25291 (Pmode): Define to word_mode.
25293 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
25294 value of 4. Allocate 8 bytes for each FP register save.
25295 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
25297 (hppa_expand_prologue): Likewise.
25298 * pa.h (PROMOTE_MODE): Likewise.
25299 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
25300 (FUNCTION_ARG_BOUNDARY): Likewise.
25302 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
25304 * pa.c (out_of_line_prologue_epilogue): Delete.
25305 (override_options): Remove -mspace related code.
25306 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
25307 (compute_frame_size): Only allocate space for register that
25308 actually need to be saved.
25309 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
25310 (TARGET_SWITCHES): Remove -mspace, -mno-space
25311 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
25312 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
25313 * pa/ee.asm, pa/ee_fp.asm: Delete.
25315 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
25317 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
25318 directive in column zero.
25320 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
25322 * m68k.c (output_function_prologue): Fix computation of save mask
25323 when generating PIC code.
25325 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
25327 * tree.c (build_type_attribute_variant): Move current_obstack restore
25328 after build_qualified_type call.
25330 1999-07-15 Mark Mitchell <mark@codesourcery.com>
25332 * configure.in: Use t-iris6, even with GNU LD.
25333 * config/mips/iris6gld.h: Fix typo in linker spec.
25334 * config/mips/t-iris6gld: Remove.
25336 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
25338 * rs6000.md (insv, extzv): Remove SImode dependence in named
25339 patterns. Explicitly generate DImode RTL if PowerPC64 and
25341 (insvdi): Reverse start and size in instruction template.
25343 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
25345 * invoke.texi: Typo fixes.
25347 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
25349 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
25350 handle at this time instead of silently generating incorrect code.
25351 (gen_imagpart): Likewise.
25353 * reload.c (find_reloads): Emit a USE for a pseudo register without
25354 a hard register if we could not create an optional reload for the
25357 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25359 * c-typeck.c (output_init_element, process_init_element):
25360 When advancing constructor_unfilled_fields for a RECORD_TYPE,
25361 check for nameless bit fields.
25363 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
25365 * regclass.c (scan_one_insn): Notice subregs that change the
25366 size of their operand.
25367 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
25369 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
25371 * configure.in (alpha*-*-*): Include alpha/t-ieee.
25372 * configure: Rebuilt.
25373 * alpha/t-ieee: New file.
25375 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
25377 * rs6000.c (find_addr_reg): Do not select r0 as an address
25380 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
25382 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
25384 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
25386 * rs6000.md (movsf): Do not force easy FP constants into memory.
25388 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
25389 immed_double_const to ensure they are properly truncated then
25392 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25394 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
25395 always unless NO_DEBUG is used. Compile this code
25397 (replace_symbols_in_block): Compile it unconditionally.
25399 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
25401 * configure.in (i?86-*-elf*): New target.
25402 * configure: Rebuilt.
25403 * i386/i386elf.h, i386/t-i386elf: New files.
25405 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25407 * toplev.c (main): Don't complain about saying -gdwarf.
25408 (rest_of_compilation): Remove redundant code.
25410 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
25412 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
25414 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
25416 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
25417 "Li960R:", to avoid name clash.
25419 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25421 * loop.c (check_dbra_loop): When reversing a loop, delete all
25422 REG_EQUAL notes referencing the reversed biv except those which are
25423 for a giv based on it.
25425 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
25427 * version.c: Drop "gcc-" prefix from version #.
25429 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
25431 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
25432 the label if we're being verbose.
25434 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
25436 * m68k.c (output_function_prologue): Add pic register to mask
25437 if live and flag_pic.
25438 (output_function_epilogue): Likewise.
25440 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
25442 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
25443 directives in column zero.
25445 * pa/elf.h (ASM_FILE_START): Define.
25446 * pa/som.h (ASM_FILE_START): Include .level directives.
25447 * pa/hpux10.h (ASM_FILE_START): Delete.
25448 * pa/hpux11.h (ASM_FILE_START): Delete.
25450 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
25452 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25454 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
25455 when reload_out equals reload_in.
25457 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
25459 * invoke.texi (Spec Files): New node: Describe the contents of
25462 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
25464 * invoke.texi (DEC Alpha Options): Put @end table at
25465 beginning of line, to avoid confusing texi2html.
25467 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
25469 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
25470 introduced in previous delta.
25472 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25474 * reload1.c (gen_reload): When synthesizing a 3 operand add
25475 sequence, improve test for when to reload OP1 into the reload
25476 register instead of OP0.
25478 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
25480 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
25482 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
25484 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
25487 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
25489 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
25490 (va_dcl): Use __builtin_va_alist_t.
25492 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25494 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25495 on the permanent_obstack.
25496 * dwarfout.c (output_type): Likewise.
25498 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25500 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25501 Merged from c-typeck.c and cp/typeck.c.
25502 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25503 Merged into c-common.
25505 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25507 * c-lex.c (errorcount): Declare it.
25508 (finish_parse): Update errorcount when using CPPLIB.
25510 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25512 * fixinc/inclhack.def(end_else_label): Double the backslash so
25513 sed gets a chance to see it.
25514 * fixinc/inclhack.sh: regen
25515 * fixinc/fixincl.x: regen
25517 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25519 Add framework to support armv5 architecture when it becomes
25522 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25523 (arm_arch5): New variable.
25524 (all_architectures): Add armv5 line.
25525 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25526 -march=armv5 is specified on the command line.
25527 (arm_arch5): Export this variable.
25528 * invoke.texi: Document new string accepted by -march= switch for
25531 * config/arm/arm.h: Replace use of constant 12 as a register
25532 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25533 * config/arm/arm.c: Replace use of constant 12 as a register
25534 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25536 * config/arm/elf.h: Tidy up.
25537 * config/arm/coff.h: Tidy up.
25539 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25541 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25542 * gcc/config/mips/t-iris6gld: New file.
25543 * gcc/config/mips/iris6gld.h: Likewise.
25545 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25547 * c-decl.c (widest_integer_literal_type_node,
25548 widest_unsigned_literal_type) : New.
25549 (init_decl_processing): Handle/use the two new types.
25550 * c-common.c (type_for_size,type_for_mode) : Same.
25551 * c-lex.c (yylex) : Same.
25552 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25554 * c-tree.h (widest_integer_literal_type_node,
25555 widest_unsigned_literal_type) : New.
25557 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25559 * dwarfout.c (field_byte_offset): Correctly compute the object's
25560 byte offset for the first bit of a field which crosses an alignment
25561 boundary on a !BYTES_BIG_ENDIAN target.
25563 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25565 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25568 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25569 Jeff Law <law@cygnus.com>
25571 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25574 * except.c: Include intl.h.
25575 (expand_eh_return): Set current_function_cannot_inline.
25576 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25577 * function.h (struct function): Add eh_return_stub_label.
25578 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25579 * Makefile.in (except.o): Depend on intl.h.
25581 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25583 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25584 same as offsettable in cases 1 and 2.
25586 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25588 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25589 (extlh, extwh): Likewise.
25591 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25593 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25595 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25597 * configure.in: Add arm-pe and thumb-pe targets.
25598 * configure: Regenerate.
25600 * thumb.c (arm_naked_function_p): New function: Determines if
25601 a function is naked (has no gcc generated prologue/epilogue).
25602 (is_called_in_ARM_mode): Return true if the func has the
25603 interfacearm attribute.
25604 (output_return): Do not generate a return for naked functions.
25605 (thumb_function_prologue): Do not generate a prologue for
25607 (thumb_expand_prologue): Do not generate a prologue for naked
25609 (thumb_expand_epilogue): Do not generate an epilogue for naked
25611 (arm_valid_machine_decl_attribute): New function, copied from
25612 arm.c: Permit naked and interfacearm attributes.
25614 * config/arm/pe.c: New file: Support code for arm-pe target.
25615 * config/arm/pe.h: New file: Header file for arm-pe target.
25616 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25617 * config/arm/t-thumb-pe: New file: Makefile fragment for
25620 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25622 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25623 -fPIC or -fpic is specified.
25625 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25627 * expr.c (emit_block_move): Use copy_to_mode_reg for
25628 !TARGET_MEM_FUNCTIONS case too.
25630 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25632 * configure: Rebuilt.
25633 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25634 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25635 definitions made redundant by dbxelf.h inclusion. Delete
25636 lots of definitions related to assembly output that are
25637 specific to the SOM object format.
25638 * pa.c (output_function_prologue): Do not emit the function's
25640 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25641 * pa-pro.h: Deleted.
25642 * som.h: New file with SOM specific definitions.
25643 * elf.h: New file with ELF specific definitions.
25645 * elfos.h (const_section): Output a tab before assembler directives.
25646 (ctors_section, dtors_section): Likewise.
25647 (ASM_OUTPUT_SECTION_NAME): Likewise.
25649 * pa/pa1.h: Delete unused file.
25651 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25653 * configure.in (hppa*-hp-hpux11*): New configuration.
25654 * configure: Rebuilt.
25655 * pa/pa-hpux11.h: New file.
25656 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25659 * mips.md (leasi, leadi): New patterns.
25661 * expr.c (emit_block_move): Properly handle case where one of the
25662 block move arguments has a queued increment or decrement.
25663 (clear_storage): Similarly. Fix formatting goof.
25665 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25667 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25668 semicolon from the BSD VA_LIST replacement expression.
25670 * fixinc/inclhack.sh: regen
25671 * fixinc/fixincl.x: regen
25673 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25674 now use the fixincl program.
25676 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25678 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25679 case. Also make the PIC register call_used.
25681 * m68k.h (FINALIZE_PIC): Delete.
25682 * m68k.c (finalize_pic): Delete.
25684 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25686 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25689 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25691 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25693 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25695 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25697 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25699 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25701 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25703 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25705 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25707 * rs6000.c (output_toc): Always use hex values for floating-point
25708 constants. Store single-precision values in upper-half of TOC
25709 entry in 64-bit mode.
25710 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25711 to final constraints.
25712 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25713 (fctiwz): Improve accuracy of RTL for pattern.
25715 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25717 * expr.c (expand_expr): Allow RTL_EXPR's through the
25718 MAX_INTEGER_COMPUTATION_MODE checks.
25720 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25722 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25723 such that MASK_SUPPORT_ARCH is not negative.
25725 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25727 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25728 ADDR_DIFF_VEC insns that appear inside loops.
25730 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25731 Jeff Law <law@cygnus.com>
25733 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25734 Handle LO_SUM the same as offsettable in cases 1 and 2.
25735 * rs6000.c (find_addr_reg): Revert previous patch.
25737 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25739 * system.h (strstr): New external function declaration.
25740 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25741 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25742 * config.in, configure: Rebuilt.
25744 1999-06-24 Tom Tromey <tromey@cygnus.com>
25746 * gcc.c (main): Read user-specified specs files after computing
25747 additional startfile_prefixes.
25749 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25751 Revert these two patches:
25753 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25754 * loop.c (strength_reduce): When doing biv->giv conversion, update
25755 reg note of NEXT->insn.
25757 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25758 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25760 (recombine_givs): Set ix field after sorting.
25762 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25764 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25765 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25767 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25769 *fixinc/inclhack.def: Add fix development commentary
25770 (read_ret_type): reactivate and add selection clause
25771 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25772 *fixinc/{fixincl.x|inclhack.sh}: regen
25774 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25776 * expr.c (expand_expr): STRIP_NOPS before checking against
25777 MAX_INTEGER_COMPUTATION_MODE
25778 (check_max_integer_computation_mode): Likewise.
25780 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25782 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25784 1999-06-22 Jim Wilson <wilson@cygnus.com>
25786 * expr.c (store_expr): When target is a promoted subreg, return a
25787 promoted subreg as a result.
25789 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25791 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25793 (dwarf2out_define): Mark unused parameters appropriately.
25794 (gen_unspecified_parameters_die): Ditto.
25795 (gen_subprogram_die): Fix signed/unsigned warnings.
25796 (gen_variable_die): Ditto.
25798 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25800 * fixinc/inclhack.def(end_else_label): combined else_label
25801 and endif_label and fixed the sed expression.
25802 *fixinc/{fixincl.x|inclhack.sh}: regen
25804 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25806 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25807 'x' when handling non-offsettable addresses
25809 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25811 * final.c (shorten_branches): Don't try to split an insn that has
25814 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25816 * config/mips/mips.c (symbolic_expression_p): New function.
25817 (mips_select_rtx_section): Put symbolic expressions in the
25818 data section, not the read-only data section.
25820 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25822 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25824 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25826 * collect2.c (main): Log frame table count.
25827 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25828 (scan_prog_file) [COFF]: Handle frame tables.
25830 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25831 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25832 * alpha/elf.h: Undef them again.
25833 * alpha/vms.h: Remove their definitions.
25835 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25837 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25838 remove the clobber of r0 and change the REG_UNUSED note to
25841 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25843 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25844 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25845 fits in HOST_WIDE_INT and one uses union to access a long constant
25848 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25850 * sparc.c (sparc_override_options): Don't allow profiling for
25851 code models other than medlow.
25852 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25853 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25854 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25855 (sparc_block_profiler): Likewise.
25856 (sparc_function_block_profiler_exit): Likewise.
25857 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25858 (FUNCTION_BLOCK_PROFILER): Likewise.
25859 (BLOCK_PROFILER): Likewise.
25860 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25861 (MCOUNT_FUNCTION): New.
25862 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25863 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25864 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25865 (MCOUNT_FUNCTION): New.
25866 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25867 (BLOCK_PROFILER): Delete.
25868 (MCOUNT_FUNCTION): New.
25870 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25872 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25874 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25876 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25879 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25882 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25885 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25888 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25890 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25893 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25895 * i386/djgpp.h (LIB_SPEC): New.
25896 (STARTFILE_SPEC): New.
25898 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25900 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25902 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25905 * system.h (WSTOPSIG): New macro.
25907 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25909 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25911 (insert_pack_attributes): Take into account member natural
25914 * i386/winnt.c (exports_head): New static variable.
25915 (i386_pe_record_exported_symbol): New function.
25916 (i386_pe_asm_file_end): Use.
25917 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25918 symbols to be emitted at end of assembly.
25919 (ASM_DECLARE_OBJECT_NAME): Likewise.
25920 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25922 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25925 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25927 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25930 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25932 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25933 zapping reg_last_uses directly.
25934 (sched_analyze_2, sched_analyze_insn): Likewise.
25935 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25937 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25939 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25940 attributes for cases 1 and 2.
25942 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25944 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25947 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25949 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25951 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25953 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25954 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25955 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25956 must be stacked if it is used for PIC accesses.
25957 * arm.c (use_return_insn): Handle PIC register specially.
25958 (output_return_instruction): Likewise.
25959 (output_func_{prologue,epilogue}): Likewise.
25960 (output_expand_prologue): Likewise.
25962 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25963 (*strsi_predec): Renamed from *strqi_predec.
25964 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25965 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25967 * arm.c (arm_override_options): Remove warning about PIC code
25968 not being supported.
25970 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25972 * rs6000.c (find_addr_reg): New function.
25973 * rs6000.h (find_addr_reg): Declare.
25974 (offsettable_addr_operand): Delete.
25975 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25976 from and stores to GPRs.
25978 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25980 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25981 gen_sequence as argument to emit_no_conflict_block.
25983 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25985 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25986 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25987 *fixinc/fixincl.x: regen
25988 *fixinc/inclhack.sh: regen
25990 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25992 * added support for -mpcrel (PC relative addressing for m68k)
25993 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25994 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25995 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25996 (comments for general_src_operand): Add some explanation
25997 about EXTRA_CONSTRAINTS.
25998 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25999 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
26000 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
26001 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
26002 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
26003 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
26004 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
26005 if not already set.
26006 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
26007 * m68k.h (TARGET_PCREL): New target flag.
26008 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
26009 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
26010 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
26011 contains a SYMBOL_REF. Relax this constraint during reload, since
26012 we want to use the predicates, not reload's built-in concept of a
26013 valid memory address, to control what insns need reloading.
26014 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
26015 operands (essentially 'g', 'm', and 's' under normal circumstances).
26016 * m68k.c (print_operand): Cause printing of pc-relative addresses
26017 to include pc register.
26018 (print_operand_address): Ditto.
26019 (general_src_operand): Accept operands that are not only
26020 general_operands, but are also valid when used as a pc-relative
26022 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
26023 (memory_src_operand): Similar, for memory_operands.
26024 (pcrel_address): New predicate to accept the special case of a
26025 pc-relative address.
26026 * m68k.md (many patterns): Rewrite common SImode, HImode, and
26027 QImode insns to accept *_src_operand instead of *_operand where
26028 pc-relative operands can fit. For example, a pc-relative operand
26029 can be used as a memory source operand for addsi3, but not as a
26030 memory destination.
26031 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
26033 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
26035 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
26036 .thumb_set pseudo op to mark aliases of thumb functions.
26038 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
26040 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
26041 preference to ASM_OUTPUT_DEF, if it is defined.
26043 * tm.texi: Document new, optional target macro
26044 ASM_OUTPUT_DEF_FROM_DECLS.
26046 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26048 * fixincludes: ISCNTL patch
26049 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
26050 (dgux_int_varargs): new for DG/UX
26051 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
26053 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
26055 * invoke.texi (ia32 options): Fix typo.
26057 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26059 * loop.c (strength_reduce): When doing biv->giv conversion, update
26060 reg note of NEXT->insn.
26062 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
26064 * loop.c (move_movables): Note issues with replacing REGs with
26066 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
26068 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
26070 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
26072 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
26073 the reference to `mcount' was not correct for the ELF on FreeBSD.
26075 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26077 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
26080 (recombine_givs): Set ix field after sorting.
26082 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
26084 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
26085 to safe to extract a subword out of a REG.
26087 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26089 * sh.md (mulsi3): Don't add a no-op move at the end.
26091 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26093 * cse.c (cse_insn): Don't put hard register source into tables for
26094 the last insn of a libcall.
26096 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26098 * loop.c (strength_reduce): Insert sets of derived givs at every
26099 biv increment, even if it's the only one.
26101 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
26103 * dwarfout.c (add_incomplete_type): New fn.
26104 (output_type): Call it.
26105 (retry_incomplete_types): New fn.
26106 (dwarfout_finish): Call it.
26108 From Eric Raskin <ehr@listworks.com>:
26109 (output_type): Output types for bases.
26111 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
26113 * mips.c (mips_output_conditional_branch): Add `break'
26114 between `default' label and `close braces'.
26116 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
26118 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
26119 specifications and make it realistic.
26120 (LIB_SPEC): Likewise.
26122 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
26124 * config/mips/mips.c (mips_secondary_reload_class): Check for
26125 (PLUS (SP) (REG)) and return appropriate register class.
26126 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
26127 Handle (PLUS (SP) (REG)).
26128 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
26129 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
26130 of emit_insn for tablejump.
26132 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
26134 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
26135 asm_fprintf format string by itself.
26136 (output_function_profiler): Likewise.
26138 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
26140 * combine.c (simplify_logical, case AND): Only call
26141 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
26142 or the constant is positive.
26144 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
26146 * configure.in: Fix typo in rs6000-ibm-aix4 case.
26147 * configure: Regenerate.
26149 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
26151 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
26152 require a sub-version #.
26153 * configure: Rebuilt.
26155 1999-06-14 Robert Lipe (robertlipe@usa.net)
26157 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
26159 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
26161 * c-typeck.c (process_init_element): Detect excess elements in
26162 char array initializer.
26164 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
26166 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
26168 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26170 * invoke.texi (Option Summary): Add -fpermissive flag.
26172 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
26174 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
26175 that require PIC code sequences.
26177 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
26179 * configure.in: Add new target: thumb-elf.
26180 * configure: Regenerate.
26181 * config/arm/t-thumb-elf: New file: Makefile fragment for
26183 * config/arm/telf.h: New file: Header file for thumb-elf
26186 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
26188 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
26189 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
26190 initializers is some circumstances.
26192 * fixinc/inclhack.def (endif_label): Add additional selector for
26193 more bogus stuff after #endif statements.
26194 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
26196 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
26198 * i386/cygwin.h (SET_ASM_OP): Define.
26200 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
26202 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
26204 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26206 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
26209 * sh.md (ic_invalidate_line_i): Remove second alternative.
26211 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26213 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
26214 test for the presence of valid prototypes. Delete bypass expr.
26215 (ioctl_fix_ctrl): Correct the selection expression.
26216 (no_double_slash): Correct quoting rules
26217 *fixinc/fixincl.x: regen
26218 *fixinc/inclhack.sh: regen
26220 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
26222 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
26224 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26226 * rs6000.md (movsi_got_internal_mem): Delete.
26227 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
26228 (GOT_TOC_REGNUM): Delete.
26229 (PIC_OFFSET_TABLE_REGNUM): Define.
26230 (FINALIZE_PIC): Disable.
26231 * rs6000.c (rs6000_got_register): New code for fixed pic register.
26232 (rs6000_replace_regno): Delete.
26233 (rs6000_finalize_pic): Likewise.
26234 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
26236 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26238 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
26239 is a note; use <= for the compare; advance P while it is
26242 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
26244 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
26245 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
26247 * varasm.c (remove_from_pending_weak_list): Verify t->name
26248 is non-NULL before passing it to strcmp.
26250 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26252 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
26253 the typed arguments are not part of a comment
26254 (ioctl_fix_ctrl): Added a purpose comment
26255 *fixinc/fixincl.x: regenerate
26256 *fixinc/inclhack.sh: regenerate
26258 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26260 * invoke.texi: Add C4x invocation docs.
26262 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26264 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
26266 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
26268 (c4x_legitimize_reload_address): New function.
26269 * config/c4x/c4x.md: Update docs.
26271 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
26273 * fixincludes: Avoid removing '.'.
26274 * fixinc/fixinc.svr4: Likewise.
26275 * fixinc/fixinc.winnt: Likewise.
26276 * fixinc/inclhack.tpl: Likewise.
26277 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
26279 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26281 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
26283 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
26285 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
26287 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
26290 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
26292 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
26293 * configure: Regenerate.
26295 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
26297 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
26300 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
26302 * fixinc/inclhack.def (avoid_bool): Also catch
26303 "typedef [unsigned] int bool".
26304 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26306 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
26307 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
26308 * configure: Rebuilt.
26310 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
26312 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
26313 such that we can override its definitions if necessary.
26314 (CPP_SPEC): New define. Support processor specific predefines via
26316 (CC1_SPEC): New define. Support processor specific compiler
26317 options via %(cc1_cpu).
26318 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
26321 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26323 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
26324 between sed's -e flag, and the open-quote following it.
26325 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26327 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
26328 Jeffrey A Law (law@cygnus.com)
26330 * varasm.c (assemble_start_function): Remove the function
26331 from the pending weak decls list when we define a function.
26332 (assemble_variable): Similarly for variables.
26333 (weak_finish): Ignore items on the list with a NULL name.
26334 (remove_from_ending_weak_list); New function to "remove" an item
26335 from the pending weak declarations list.
26337 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26339 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
26341 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
26343 * c-lex.c (GETC): Redefine to call getch.
26344 (UNGETC): Redefine to call put_back.
26345 (putback_buffer): New structure type.
26346 (putback): New static structure.
26347 (getch): New function.
26348 (put_back): New function.
26349 (yylex): Replace unused bytes from bad multibyte character.
26351 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
26353 * cpplib.c (do_define): Cast `alloca' return value.
26354 (do_include, do_undef, do_pragma): Likewise.
26355 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
26357 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
26358 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
26360 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
26362 * sparc.md (abstf2): This should be an expand.
26363 (split after abstf2_notv9): Fix mode.
26364 (abstf2_hq_v9): New pattern.
26365 (abstf2_v9): Only use when no hard quad.
26366 (absdf2_v9): Fix if target is not the same as source.
26367 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
26368 Add correct output constraints.
26370 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
26372 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
26373 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
26375 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
26377 * mips.h (mips_output_conditional_branch): New function.
26378 (mips_adjust_insn_length): Likewise.
26379 (ASSEMBLER_SCRATCH_REGNUM): New macro.
26380 (ADJUST_INSN_LENGTH): Likewise.
26381 * mips.c (print_operand): Add `F' and `W' for floating-point
26382 comparison opcodes.
26383 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
26385 (mips_adjust_insn_length): New function.
26386 (mips_output_conditional_branch): New function.
26387 * mips.md (length): Adjust attribute definition to handle
26388 conditional branches. Change lengths to bytes, rather than
26389 instructions throughout. Remove length attribute from
26390 instructions whose length is four bytes, and rely on the default
26392 (dslot): Fix typo in comment.
26393 Reword conditional branch patterns to use
26394 mips_output_conditional_branch.
26396 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
26398 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
26399 (LIB_SPEC): Likewise.
26400 Link with -lprof1_r for -g/-pg.
26402 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26404 * loop.c (check_dbra_loop): Fix change of Jan 19.
26406 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
26408 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
26409 (STARTFILE_SPEC): Define, override the svr4.h version.
26410 (ENDFILE_SPEC): Likewise.
26412 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
26414 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
26415 * fixinc/fixincl.x: Regenerated.
26416 * fixinc/inclhack.sh: Regenerated.
26418 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26420 * sh.c (barrier_align): Don't return early for normal branch/barrier
26421 when optimizing for SH2.
26423 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
26425 * i386/udk.h (LINK_SPEC): Correct linker search path for
26428 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26430 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
26431 (braf_label_ref_operand): Delete.
26432 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
26433 * sh.md (casesi_jump_2): Operand1 is now the inside of a
26434 label_ref, and has no predicate.
26435 The patten has a predicate to guard against invalid substitutions.
26436 (dummy_jump): Delete.
26437 (casesi): Update use of casesi_jump_2.
26439 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26441 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
26442 *fixinc/fixincl.x: regenerate
26443 *fixinc/inclhack.sh: regenerate
26445 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
26447 * dwarf2out.c (add_incomplete_type): New fn.
26448 (gen_struct_or_union_type_die): Call it.
26449 (retry_incomplete_types): New fn.
26450 (dwarf2out_finish): Call it.
26452 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
26454 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
26455 current block starts with a CODE_LABEL and ends with a CALL and
26456 we can not find all the argument setup instructions for the CALL.
26458 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
26460 Revert this change:
26461 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26462 something is a candidate for optimize_bit_field_compare.
26464 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26466 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
26468 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
26470 * alpha.c (override_options): Thinko in last patch.
26472 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
26473 (LIB_SPEC): Recognize -pthread.
26475 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
26477 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
26478 definition in config/arm/coff.h
26479 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
26481 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26483 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
26484 fixes that need "file=xxx\n" prepended before invocation
26485 (start_fixer - new): starting the fixer process is complex enough
26486 to warrent its own routine. It prepends the "file=xxx\n" stuff.
26487 (process): uses the new routine; omit usage of putenv()
26488 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
26489 * fixinc/fixincl.x: regenerate
26491 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
26493 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26494 and version #s (1.1 -> 2.96) as needed.
26495 * README.g77: Kill way out of date file in the toplevel directory.
26497 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26499 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26500 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26501 * configure: Rebuilt.
26502 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26503 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26504 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26505 (SWITCH_TAKES_ARG): Likewise.
26506 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26507 * config/t-freebsd: Moved from config/i386/ so it can used for all
26510 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26512 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26514 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26516 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26517 * configure: Rebuilt.
26519 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26521 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26522 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26523 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26524 (rs6000_output_load_toc_table): Same.
26525 (output_prolog, output_mi_thunk): Same.
26526 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26527 (ASM_GLOBALIZE_LABEL): Use putc.
26529 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26531 * alpha.md (reload_*_help): New patterns and splitters.
26532 (reload_*): Use them.
26533 (mov[qh]i): Likewise.
26535 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26537 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26540 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26542 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26544 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26546 * flow.c (mark_regs_live_at_end, insn_dead_p,
26547 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26548 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26549 hasn't run or the frame pointer is needed.
26550 * haifa-sched.c (attach_deaths): Likewise.
26551 * sched.c (attach_deaths): Likewise.
26553 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26555 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26556 calculate_can_reach_end returns nonzero.
26558 * configure.in (native gas tests): Search for an assembler in the
26559 same manner that the installed compiler will.
26560 * configure: Rebuilt.
26561 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26563 * alias.c (find_base_term): Improve handling of addresses
26564 constructed from binary operations.
26566 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26568 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26570 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26572 * function.h (cleanup_label, frame_offset): Declare.
26573 (tail_recursion_label, tail_recursion_reentry): Likewise.
26574 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26575 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26576 (tail_recursion_label, tail_recursion_reentry): Likewise.
26577 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26579 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26581 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26583 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26584 (MAX_OFILE_ALIGNMENT): Define.
26586 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26588 * fixincl.c: Replace local include scheme with #includes of
26589 gansidecl.h and system.h.
26590 * procopen.c: Likewise.
26591 * server.c: Likewise.
26593 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26595 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26596 (crti.o): Add build rule and dependencies.
26597 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26599 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26601 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26602 (LIB_LINUX_SPEC): Likewise.
26603 (LIB_LINUX_SPEC): Add support for -pthread
26604 (CPP_OS_LINUX_SPEC): Likewise.
26605 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26608 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26610 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26612 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26613 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26614 for IEEE math and CC_FCOMI.
26615 (put_jump_code): No IEEE if CC_FCOMI is set.
26617 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26619 * fold-const.c (fold_truthop): Make the field reference unsigned
26620 when converting a single bit compare.
26622 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26624 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26626 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26628 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26629 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26632 * reload.c (push_reload): Do not call remove_address_replacements
26633 when presented with identical optional reloads.
26635 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26637 * alpha.h (MASK_FIX, TARGET_FIX): New.
26638 (MASK_*): Reorganize constants.
26639 (CPP_AM_FIX_SPEC): New.
26640 (TARGET_SWITCHES): Add FIX.
26641 (EXTRA_SPECS): Likewise.
26642 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26643 (SECONDARY_MEMORY_NEEDED): Likewise.
26644 (REGISTER_MOVE_COST): Likewise.
26645 * alpha.c (override_options): Add FIX support. Always use
26646 ALPHA_TP_PROG for ev6.
26647 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26648 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26649 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26651 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26653 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26654 something is a candidate for optimize_bit_field_compare.
26656 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26658 * gcc.texi (Passes): Document branch-shortening.
26659 * invoke.texi (Debugging Options): Document the fact that `-dp'
26660 outputs length information for instructions.
26662 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26664 * flow.c: Revert previous delta.
26666 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26668 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26669 FRAME_POINTER_REGNUM.
26670 (mark_set_1): Ditto.
26671 (mark_used_regs): Ditto.
26673 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26675 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26676 (GOT_PCREL): New macro. Define to 1 if not already defined.
26677 * arm/elf.h (GOT_PCREL): Define to 0.
26678 * arm.c (arm_finalize_pic): Take into account the setting of
26681 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26683 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26684 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26686 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26687 store elimination candidates.
26689 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26691 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26694 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26696 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26697 Add use of x-aix41-gld.
26699 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26701 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26702 (ASM_OUTPUT_DESTRUCTOR): Define.
26704 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26706 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26707 last CODE_LABEL in a loop if we have previously passed a jump
26708 to the top of the loop.
26710 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26712 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26713 applying Philip's patch.
26715 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26717 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26720 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26722 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26724 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26726 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26727 Also remove a useless comment.
26729 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26731 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26733 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26735 * collect2.c (main): Only generate import or export file and add
26736 to link arguments if non-empty. Use xmalloc not alloca.
26737 (write_{export,import}_file): Delete.
26738 (write_aix_file): New function.
26739 (locatelib): Use xmalloc not malloc.
26740 (GCC_OK_SYMBOL): Do not check type if aix64.
26742 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26744 Based on patch by Scott Bambrough and Pat Beirne:
26745 * config/arm/arm.c (making_const_table): New variable.
26746 * config/arm/arm.h (making_const_table): Declare.
26747 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26749 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26750 Keep track of when we are building the constant table.
26752 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26754 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26757 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26759 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26762 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26764 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26767 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26769 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26771 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26773 * rs6000.c (output_mi_thunk): Enable full support again.
26775 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26777 * sh.h (BRANCH_COST): Define.
26779 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26781 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26783 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26785 * function.c (assign_stack_local): Align stack slot propertly.
26786 (assign_outer_stack_local): Likewise.
26788 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26790 * expr.h (lang_expand_constant): Declare.
26791 * toplev.c (lang_expand_constant): Define it.
26792 * varasm.c (output_constant): Use it.
26794 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26796 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26797 Change function definitions to K&R style.
26799 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26801 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26803 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26805 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26806 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26807 (several places): omit static initialization
26808 (process): use single fd, since only the read fd is used
26809 * fixinc/gnu-regex.c: define 'const' away, if not supported
26810 * fixinc/procopen.c(several places): omit static initialization
26811 * fixinc/server.c: define 'volitile' away, if not supported
26813 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26815 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26816 asm_fprintf and %L to generate the label name.
26817 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26818 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26820 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26822 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26823 insn for a conditional jump can not be found.
26825 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26827 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26828 on variables in specific sections other than .sbss and .sdata.
26830 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26832 * stmt.c (expand_return): Call start_cleanup_deferral and
26833 end_cleanup_deferral around conditional code.
26835 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26837 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26838 filename lists. Utilizes new "krstr" AutoGen function.
26839 * fixinc/fixincl.x: Rebuilt.
26841 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26843 * i386.c (output_float_compare): Avoid GNU-C extensions.
26845 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26847 * version.c: Bump to distinguish mainline tree from the
26850 See ChangeLog.1 for earlier changes.