1 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
3 * loop.c (load_mems): Reformat slightly.
4 * basic-block.h (regset_head): New typedef.
5 (INIT_REG_SET): New macro.
7 1999-11-22 Bruce Korb <autogen@linuxbox.com
9 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
10 (mips-dec-bsd*): non-functional code
11 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
13 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14 added three replacement fixes
15 (no_double_slash): removed comments that are not (any longer) pertinent
16 (bad_lval): this fix currently runs against many files.
17 The comment seems to indicate that we should select for files
18 containing 'pragma extern_prefix'.
20 * fixinc/fixinc.x86-linux-gnu: deleted
21 * fixinc/inclhack.sh: regen
22 * fixinc/fixincl.x: regen
23 * fixinc/fixincl.sh: regen
25 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
27 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
28 its code is INSN and it has no notes.
30 1999-11-22 Andrew Haley <aph@cygnus.com>
32 * varasm.c (function_defined): Remove.
33 (make_function_rtl): Don't set function_defined.
34 (make_decl_rtl): Remove global register warning.
35 * regclass.c (no_global_reg_vars): New variable.
36 (globalize_reg): Warn if function has already been defined.
37 (regclass_init): Set no_global_reg_vars.
39 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
41 * regclass.c (reg_pref): New structure and static variable
44 (all uses of prefclass and altclass): Use reg_pref instead.
46 1999-11-21 Nick Clifton <nickc@cygnus.com>
48 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
50 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
51 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
52 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
54 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
56 * varasm.c (output_constructor): Solve problem with long long
57 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
59 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
61 * global.c (allocno): New structure and static variable.
62 (allocno_reg): Remove, all references replaced by allocno.
63 (allocno_size): Likewise.
64 (hard_reg_conflicts): Likewise.
65 (hard_reg_preferences): Likewise.
66 (hard_reg_copy_preferences): Likewise.
67 (hard_reg_full_preferences): Likewise.
68 (regs_someone_prefers): Likewise.
69 (allocno_calls_crossed): Likewise.
70 (allocno_n_refs): Likewise.
71 (allocno_live_length): Likewise.
72 (find_reg): Rename ALLOCNO to NUM.
74 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
76 (may_move_out_cost): New variable.
77 (init_reg_sets_1): Initialize may_move_out_cost.
78 (record_reg_classes): Use may_move_out_cost.
80 * regclass.c (dump_regclass): New function.
81 (regclass): New parameter DUMP, call DUMP_REGCLASS.
82 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
83 pass rtl_dump_file to regclass.
84 * rtl.h (regclass): Update prototype.
86 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
88 * i386.md (neg, not and abs patterns): Revmap to use
89 ix86_expand_unary_operator and ix86_unary_operator_ok.
90 (add?f and sub?f expanders): Force operand 1 to register.
91 * i386.c (ix86_expand_unary_operator): Rewrite.
92 (ix86_unary_operator_ok): Ensure that memory operands
94 (ix86_binary_operator_ok): Do not allow operand 1 to
95 come into memory and operand 0 not.
96 (ix86_expand_binary_operator): Ensure that
97 src1 is not non-matching memory.
99 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
100 to support integer registers and memory.
101 (abss?2_integer): Likewise.
103 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
104 (REG_CLASS_NAMES): Likewise.
105 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
107 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
108 (movsf): Likewise; unify 4th and 5th alternative.
110 (movdf_1): Likewise; rename to movdf_integer.
111 (pushxf): Likewise; rename to pushxf_integer; fix output template;
112 remove redundant splitter.
113 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
114 (movdf_nointeger): New.
115 (movxf_nointeger): New.
116 (pushxf_nointeger): New.
118 * i386.md (extend?f?f): Split to expander and pattern, refuse two
119 memory operands in patterns.
120 (fop*): Refuse two memory operands.
122 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
123 on !TARGET_USE_CLTD CPUs.
125 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
127 * extend.texi: Document C++ restricted pointers and references.
129 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
131 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
132 (invalidate_skipped_set): Call it unconditionally.
133 (cse_set_around_loop): Likewise.
135 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
137 * rtl.texi (mem): Add documentation for alias-set argument
140 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
142 * i386.h (struct_processor_costs): New fileds int_load, int_store,
143 fp_move, fp_load and fp_store
144 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
146 (MEMORY_MOVE_COST): New macro.
147 * i386.c (386_cost): Define new fields.
148 (i486_cost): Likewise.
149 (pentium_cost): Likewise.
150 (pentiumpro_cost): Likewise.
153 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
154 Geoffrey Keating <geoffk@cygnus.com>
156 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
158 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
161 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
162 (TARGET_STRICT_ALIGNMENT): New macro.
163 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
164 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
165 * invoke.texi (M680x0 Options): Document -mstrict-align.
167 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
168 Richard Henderson <rth@cygnus.com>
170 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
171 (ix86_split_long_move): Declare.
172 * i386.c (split_xf, ix86_split_movdi): Remove.
173 (ix86_split_to_parts, ix86_split_long_move): New.
174 * i386.md (dimode move splitters): Use ix86_split_long_move.
175 (dfmode move splitters): Likewise.
176 (xfmode move splitters): Likewise.
177 (movsf_1): Allow F->r.
178 (movdf_1, movxf_1): Allow F->ro.
180 1999-11-17 Mark Mitchell <mark@codesourcery.com>
182 * except.h (struct eh_entry): Add goto_entry_p.
183 (eh_region_from_symbol): Remove prototype.
184 * except.c (find_func_region_from_symbol): New function.
185 (emit_cleanup_handler): Likewise.
186 (eh_region_from_symbol): Make it static.
187 (add_new_handler): Verify the argument.
188 (find_func_region): Update comment.
189 (expand_eh_region_end): Expand handlers here, rater than waiting
190 until expand_leftover_cleanups or start_all_catch.
191 (expand_leftover_cleanups): Don't expand here.
192 (expand_start_all_catch): Or here.
193 (expand_rethrow): Check the return value from find_func_region.
194 * function.c (expand_function_end): Emit the catch_clauses.
196 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
198 * integrate.c (expand_inline_function): Add necessary check for NULL.
200 1999-11-18 Nick Clifton <nickc@cygnus.com>
202 * toplev.c (main): Correctly detect an unrecognised option.
204 * cppinit.c (cpp_handle_option): Do not claim to have consumed
205 a -f option if it has not been recognised.
207 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
209 * basic-block.h (update_life_extent): Remove trailing comma on
210 enumeration type list.
212 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
214 * varasm.c (output_constructor) Solved problem with long long
215 bitfields. Corrected calculating this_time and shift. Also
216 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
218 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
220 * flow.c (split_edge): Take looping structure into account when
221 determining where to put the new block note.
223 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
225 * Makefile.in (ggc-none.o): Provide host specific version if
228 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
230 * cse.c (delete_trivially_dead_insns): Identify no-op insns
231 containing subregs too.
233 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
235 * invoke.texi: Add documentation for -muninit-const-in-rodata.
236 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
237 (TARGET_UNINIT_CONST_IN_RODATA): Define.
238 (text_section): Add switches -munint-const-in-rodata and
239 -mno-uninit-const-in-rodata.
240 (ASM_OUTPUT_COMMON): Remove.
241 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
242 const objects should be placed in read-only data. Otherwise declare
245 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
247 * jump.c (jump_optimize_1): Revert last change.
249 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
251 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
252 test if optimizing for size.
254 1999-11-17 Mark Mitchell <mark@codesourcery.com>
256 * Makefile.in (toplev.o): Depend on except.h.
257 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
259 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
261 * i386.md (divmodsi4): Rewrite to expander.
262 (*divmodsi4_nocltd): New.
263 (*divmodsi4_cltd): New.
264 (divmodsi4 splitter): Handle the case when input comes in edx.
265 (udivmodhi4): Do not use constraints in exander.
266 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
268 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
270 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
273 1999-11-16 Jakub Jelinek <jakub@redhat.com>
275 * explow.c (hard_function_value): Add outgoing argument.
276 * expr.h (hard_function_value): Declare it.
277 * calls.c (expand_call, emit_library_call_value): Update callers.
278 * function.c (aggregate_value_p): Ditto.
279 (diddle_return_value): Must look at the outgoing registers
280 on archs with register windows.
282 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
284 * alpha.c (alpha_build_va_list): Use make_lang_type and
285 initialize TYPE_NAME for the va_list record.
287 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
289 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
291 * ggc.h (struct ggc_statistics): Rearrange elements for better
292 packing on 64-bit hosts.
293 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
294 (compute_nearerout): Likewise.
296 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
298 * config/rs6000/rs6000.c (first_reg_to_save): Save
299 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
301 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
303 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
304 notion of nesting to find the DIE for a type or function.
305 DIEs can go in limbo even if we got a context_die.
306 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
307 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
309 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
310 (gen_type_die): Writing out the context doesn't cause member class
311 template instantiations to be written out as well.
313 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
315 * rs6000.h (ASM_OUTPUT_DEF): New.
316 Based on proposed addition from David Edelsohn.
318 1999-11-15 Robert Lipe <RobertLipe@usa.net>
319 Bruce Korb <autogen@linuxbox.com>
321 * fixinc/inclhack.def
322 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
323 (unixware7_byteorder_fix): added. Removes conflicts for new defs
325 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
326 (svr4_endian): enabled with SVR5
327 (svr4_mkdev): simplified syntax and enabled with SVR5
329 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
331 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
332 * configure: Rebuilt.
333 * config/t-freebsd-thread: New file.
335 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
337 * i386.c (ix86_decompose_address): Verify the base is a REG
338 before trying to examine its register number.
340 * basic-block.h: Remove all #defines and prototypes related to
342 (free_bb_mem, compute_preds_succs): Remove prototype.
343 * rtl.h (free_bb_mem): Remove prototype.
344 * flow.c (alloc_int_list_node); Remove function.
345 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
346 (compute_preds_succs, free_bb_mem): Likewise.
347 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
348 * toplev.c (rest_of_compilation): Likewise.
349 * haifa-sched.c (build_control_flow): Use flow generated edge
350 list to build the haifa specific edge list.
351 (find_rgns): Use new CFG data structures instead of pred/succ lists.
352 (schedule_insns): Do not build pred/succ lists anymore. Instead
353 build the edge table.
355 * basic-block.h (dump_bb_data): Remove declaration.
356 * flow.c (dump_bb_data): Remove function.
357 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
358 (sbitmap_union_of_predsucc): Likewise.
360 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
361 argument. All callers changed.
362 (delete_null_pointer_checks_1): No longer need to compute the
365 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
367 (pre_expr_reaches_here_p_work): Likewise.
368 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
369 * lcm.c (compute_laterin): Fix initialization of LATER.
370 (compute_nearerout): Similarly for NEARER.
372 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
374 * cse.c (set_nonvarying_address_components): Delete unused function.
375 (refers_to_p): Likewise.
377 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
379 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
382 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
384 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
385 definition in do while (0).
387 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
389 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
391 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
393 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
395 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
397 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
398 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
399 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
400 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
402 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
403 saved on the stack. Output more accurate stack frame statistics
406 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
408 * genextract.c (record_insn_name): New function.
409 (get_insn_name): No longer a stub.
410 (main): Call record_insn_name for each insn. After each label
411 written, print the insn name in a comment.
413 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
415 * output.h (const_section, init_section, fini_section): Add
418 * alpha/elf.h (const_section): Delete declaration.
420 * svr4.h (const_section): Likewise.
422 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
424 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
425 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
426 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
428 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
429 variable-sized array bounds.
431 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
433 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
436 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
438 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
439 addresses the same way GO_IF_LEGITIMATE_INDEX does.
441 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
443 * cse.c (hash_arg_in_struct): Delete.
444 (struct table_elt): Delete elt in_struct.
445 (struct set): Delete elt src_in_struct.
446 (merge_equiv_classes): Don't set either hash_arg_in_struct or
447 the corresponding in_struct elts.
448 (canon_hash): Likewise.
449 (safe_hash): Likewise.
450 (find_best_addr): Likewise.
451 (record_jump_cond): Likewise.
452 (cse_insn): Likewise.
454 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
456 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
458 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
461 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
463 * function.c (diddle_return_value): Put back check that the DECL_RTL
464 for the function is a register.
466 * function.c (diddle_return_value): Use hard_function_value to
467 get an rtx suitable for use in the USE/CLOBBER insn.
469 * global.c (global_conflicts): Update comments.
470 (record_conflicts): No need to record conflicts between pseudos here.
472 1999-11-11 Bruce Korb <autogen@linuxbox.com>
474 * fixinc/fixincl.c: Added verbose levels for status messages
476 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
478 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
479 operand as argument to expand_and or expand_binop.
481 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
483 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
486 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
488 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
490 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
492 * flow.c (compute_flow_dominators): Initially put all blocks on
494 * lcm.c (compute_antinout_edge, compute_available): Similarly.
495 * gcse.c (compute_cprop_avinout): Remove.
496 (compute_cprop_data): Use compute_available.
497 (delete_null_pointer_checks_1): Use compute_available.
499 * basic-block.h (compute_available): Returns a void now.
500 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
501 to return a value anymore.
502 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
503 worklists. Fix boundary cases. Compute maximal solutions.
504 (compute_laterin, compute_nearerout): Similarly.
506 * dwarf2out.c (add_AT_location_description): Allow
507 (mem (plus (pseudo) (...)) too.
509 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
511 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
513 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
514 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
516 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
518 * gansidecl.h: Likewise.
524 * toplev.h: Likewise.
530 * varray.c: Likewise.
532 * varray.h: Likewise.
534 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
536 * gcov.c (struct arcdata): Add hits and total, remove prob.
537 (output_branch_counts): New.
538 (process_args): Set output_branch_counts if -c.
539 (calculate_branch_probs): Store hits and total instead of
541 (output_data): Emit counts if output_branch_counts is true.
542 * gcov.texi (Invoking Gcov): Document -c switch..
544 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
546 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
547 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
549 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
551 * invoke.texi (C Dialect Options): Add missing builtins from
553 * extend.texi (Other Builtins): Copy to this list.
555 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
557 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
558 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
561 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
563 * flow.c (compute_flow_dominators): No longer treat basic block 0
564 or (n_basic_blocks - 1) specially. Clear the AUX field before
565 starting computation of doms/pdoms. Fix initial state for pdoms.
567 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
569 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
570 match rtl.o's: added ggc.h and toplev.h
571 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
572 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
573 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
575 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
577 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
578 from HAVE_DOS_BASED_FILESYSTEM.
579 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
580 HAVE_DOS_BASED_FILESYSTEM.
582 (split_directories): Only special-case DOS file names if
583 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
584 instead of explicit tests. Conditionalize on !VMS.
585 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
586 tests. Conditionalize on !VMS.
587 (process_command): Only use make_relative_prefix if !VMS.
588 (free_split_directories): Conditionalize on !VMS.
589 (DIR_UP): Conditionalize on !VMS.
591 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
593 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
595 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
597 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
600 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
602 * invoke.texi (Environment Variables): Document relative path
604 * gcc.c (DIR_UP): If not defined, define as "..".
605 (standard_bindir_prefix): New static, holds target location to
607 (split_directories): New function to split a filename into
608 component directories.
609 (free_split_directories): New function, release memory allocated
610 by split_directories.
611 (make_relative_prefix): New function, make a relative pathname if
612 the compiler is not in the expected location.
613 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
614 can figure out an appropriate prefix from argv[0].
615 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
616 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
617 STANDARD_BINDIR_PREFIX.
619 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
621 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
623 * config/c4x/c4x.h: Moved prototypes to c4x.h.
624 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
625 c4x_secondary_memory_needed) Delete.
626 (fp_zero_operand): Add mode argument.
628 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
630 * reload1.c (reload_reg_free_for_value_p): Don't use a register
631 that is in reload_reg_used.
633 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
635 * config/arm/arm-protos.h: New file: Prototypes for functions
636 defined in arm.c and pe.c.
637 * config/arm/arm.h: Fix compile time warnings.
638 * config/arm/arm.c: Fix compile time warnings.
639 * config/arm/pe.h: Fix compile time warnings.
640 * config/arm/aout.h: Fix compile time warnings.
642 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
644 * config/m32r/m32r-protos.h: New file: Prototypes for functions
647 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
648 Add support for subtargets.
649 Add prototypes for new predicates.
650 Add scheduling macros.
652 * config/m32r/m32r.c: Fix compile time warnings.
653 (int8_operand): New predicate function.
654 (reg_or_cmp_int16_operand): New predicate function.
655 (extend_operand): New predicate function.
656 (m32r_adjust_code): New scheduling function.
657 (m32r_adjust_priorty): New scheduling function.
658 (m32r_sched_init): New scheduling function.
659 (m32r_sched_reorder): New scheduling function.
660 (m32r_sched_variable_issue): New scheduling function.
661 (direct_return): New codegen function.
662 (m32r_not_same_reg): New rtl testsing function.
664 * config/m32r/m32r.md: Fix compile time warnings.
665 Add support for pre decrement and post increment memory
670 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
672 * global.c (EXECUTE_IF_CONFLICT): Don't define.
673 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
674 (find_reg): Likewise.
676 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
678 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
679 to avoid assembler errors.
681 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
683 * config/v850/v850-protos.h: New file: Prototypes for functions
685 * config/v850/v850.h: Move prototypes to v850-protos.h
686 * config/v850/v850.c: Move prototypes to v850-protos.h
687 * config/v850/v850.md: Fix compile time warnings.
689 * config/fr30/fr30-protos.h: New file: Prototypes for functions
691 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
692 * config/fr30/fr30.c: Fix compile time warnings.
693 * config/fr30/fr30.md: Fix compile time warnings.
695 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
697 * tree.h (get_containing_scope): Declare it.
698 * tree.c (get_containing_scope): New fucntion.
699 (decl_function_context): Use it.
700 * toplev.c (rest_of_compilation): Use get_containing_scope.
702 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
704 * Makefile.in (rtl.o): Depend on toplev.h.
706 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
708 * cse.c (delete_trivially_dead_insns): Replace alloca with
710 * except.c (update_rethrow_references): Likewise.
711 (init_eh_nesting_info): Likewise.
712 * function.c (identify_blocks): Likewise.
713 * gcse.c (dump_hash_table): Likewise.
714 * graph.c (print_rtl_graph_with_bb): Likewise.
715 * loop.c (combine_movables): Likewise.
716 (move_movables): Likewise.
717 (count_loop_regs_set): Likewise.
718 (strength_reduce): Likewise.
719 * profile.c (compute_branch_probabilities): New function, split
721 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
722 * regclass.c (regclass): Likewise.
723 * regmove.c (regmove_optimize): Likewise.
724 * toplev.c (compile_file): Likewise.
725 (main): Don't mess with the stack rlimit.
727 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
729 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
730 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
732 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
734 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
736 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
738 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
739 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
742 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
744 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
746 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
748 * gcse.c (post_dominators): Kill.
749 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
750 (compute_code_hoist_data): Use compute_flow_dominators. Do not
751 pass in a pdom array since we do not need pdoms.
752 * haifa-sched.c (schedule_insns): Similarly.
753 * flow.c (compute_dominators): Remove dead function.
754 (compute_flow_dominators): Do not compute doms or pdoms if the
755 caller does not request them. Split up loop to build doms and
756 pdoms. Use a worklist to compute doms and pdoms.
757 * basic-block.h (compute_dominators): Remove prototype.
759 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
761 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
762 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
763 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
764 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
765 (cant_move, fed_by_spec_load, is_load_insn): Remove.
766 (schedule_region): Remove unused variable.
767 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
769 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
771 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
772 (update_equiv_regs): Likewise.
773 (block_alloc): Likewise.
774 * reg-stack.c (reg_to_stack): Likewise.
775 (convert_regs_2): Likewise.
776 * reload1.c (reload_as_needed): Likewise.
778 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
780 * Makefile.in (dbxout.o): Depend on ggc.h.
781 (dwarf2out.o): Likewise.
782 (xcoffout.o): Likewise.
783 * dbxout.c: Include ggc.h.
784 (dbxout_init): Register lastfile as a root.
785 * dwarf2out.c: Include ggc.h.
786 (dwarf2out_line): Register lastfile as a root.
787 * xcoffout.c: Include ggc.h.
788 (xcoffout_source_line): Register xcoff_lastfile as a root.
790 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
792 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
794 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
796 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
798 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
800 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
802 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
803 (EXECUTE_IF_CONFLICT): Likewise.
804 (ALLOCNO_LIVE_P): Avoid signed division.
805 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
806 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
807 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
809 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
811 * haifa-sched.c (schedule_block): Don't crash if there's no
812 next insn for an interblock movement.
813 (add_branch_dependences): Don't allow clobber insns to move either.
815 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
817 * i386.c (split_xf): New.
818 * i386-protos.h: Declare it.
819 * i386.md (movxf_1): Add general regs alternatives.
820 (movxf_1+1): New splitter for same.
822 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
824 * function.c (purge_addressof_1): Add missing return values.
826 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
828 * function.c (is_addressof): New function. Returns true if
829 the given piece of RTL is an ADDRESSOF.
830 (purge_addressof_1): Make boolean. Return false if the
831 ADDRESSOFs could not be purged.
832 (purge_addressof): If ADDRESSOFs could not be purged from the
833 notes attached to an insn, remove the offending note(s),
834 unless they are attached to a libcall.
836 1999-11-05 Andreas Jaeger <aj@suse.de>
838 * genoutput.c (null_operand =): Initialize all fields.
840 * errors.h: Add extern to prototypes.
842 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
844 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
845 * configure: Rebuilt.
847 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
849 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
850 (mirror_conflicts): New function.
851 (global_alloc): Call it.
852 (expand_preferences): Remove redundant CONFLICTP test.
853 (find_reg, dump_conflicts): Likewise.
854 (prune_preferences): Process conflicts one word at a time.
856 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
858 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
859 instead of an explicit loop.
861 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
863 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
864 if REG_RETVAL check succeeds, then put classp in src_elt.
866 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
868 * function.c (pad_to_arg_alignment): Only update argument_pad
869 if the argument's alignment is greater than STACK_BOUNDARY.
871 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
873 * bitmap.h (BITMAP_XFREE): New.
874 * flow.c (life_analysis): Use it.
875 (life_analysis_1): Free blocks.
877 * combine.c (undo_commit): New.
878 (try_combine): Use it. Don't zap undobuf.undos.
879 (combine_instructions): Don't zap undobuf.undos; free the
882 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
884 * stmt.c (cost_table_): New.
885 (estimate_case_costs): Use it instead of xmalloc.
887 * toplev.c (compile_file): Reuse dumpname memory instead
890 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
892 * reg-stack.c (convert_regs_1): Initialize target_stack->top
893 after verifying an EH edge.
895 * haifa-sched.c (init_rgn_data_dependences): Correctly
896 size bb_pending_lists_length when zeroing.
898 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
900 * function.c (diddle_return_value): New.
901 (expand_function_end): Use it.
902 * stmt.c (expand_null_return): Likewise.
903 (expand_value_return): Likewise.
905 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
907 * reload1.c (reload): Don't remove return value clobbers.
909 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
911 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
913 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
915 * cse.c (cse_main): Use xmalloc, not alloca.
916 (cse_basic_block): Likewise.
917 * local-alloc.c (local_alloc): Likewise.
919 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
920 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
922 * rtl.c: Include toplev.h.
923 (fatal): Remove declaration.
925 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
927 * haifa-sched.c (schedule_block): Fix thinko.
929 1999-11-03 James McKelvey <mckelvey@fafnir.com>
931 * fixinc/fixincl.c(create_file): Allow for systems that do not have
934 1999-11-03 Philippe De Muyter <phdm@macqel.be>
936 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
937 call `malloc' instead.
939 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
941 * flags.h (flag_renumber_insns): Declare.
942 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
944 * rtl.h (renumber_insns): Change prototype.
945 * toplev.c (flag_renumber_insns): Define.
946 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
948 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
950 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
951 and fpsqrtd. Use them and create fdiv function unit to more
952 accurately represent fpu sqrt pipeline semantics on UltraSparc.
953 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
955 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
957 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
959 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
960 insn into ready list, do not use just a raw swap.
962 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
964 * rtl.h (renumber_insns): New function.
965 (remove_unnecessary_notes): Likewise.
966 * emit-rtl.c (renumber_insns): Define.
967 (remove_unncessary_notes): Likewise.
968 * toplev.c (rest_of_compilation): Remove dead code.
969 Use renumber_insns and remove_unncessary_notes.
971 * gcse.c (struct null_pointer_info): New type.
972 (get_bitmap_width): New function.
973 (current_block): Remove.
974 (nonnull_local): Likewise.
975 (nonnull_killed): Likewise.
976 (invalidate_nonnull_info): Take a null_pointer_info as input.
977 (delete_null_pointer_checks_1): New function.
978 (delete_null_pointer_checks): Use it.
980 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
981 (split_edges): Likewise.
982 (schedule_block): Likewise.
983 (compute_block_backward_dependencies): Likewise.
984 (schedule_region): Likewise.
985 (schedule_insns): Likewise.
987 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
989 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
990 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
991 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
992 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
993 * jump.c (delete_unreferenced_labels): Don't delete if
994 LABEL_ALTERNATE_NAME is set.
995 * print-rtl.c (print_rtx): Dump alternate name.
996 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
997 * rtl.h (LABEL_ALTERNATE_NAME): Define.
998 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
999 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
1001 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1003 * fix-header.c (recognized_extern, recognized_function): Constify
1006 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
1007 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
1008 (compute_available): Remove unused variable `last'.
1009 (compute_nearerout): Remove unused variable `temp_bitmap'.
1010 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
1011 Remove unused variable `x'.
1013 * scan.h (recognized_function, recognized_extern): Constify a
1016 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
1018 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1020 * varasm.c (decode_rtx_const): Use XSTR to access the string
1023 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
1025 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
1027 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1029 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
1031 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
1033 * pa.c (ireg_operand): New function.
1034 * pa.h (PREDICATE_CODES): Handle ireg_operand.
1035 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
1036 Fix out of date comment.
1038 * pa.md (negdi2): Turn into expander + anonymous pattern.
1040 * reload.c (find_reloads): Fix typos in recent change.
1042 * dwarf2out.c: Do not include ctype.h.
1044 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1046 * regclass.c (record_reg_classes): Always use may_move_cost when
1047 seeing how operand fits with various register classes.
1049 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
1051 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
1052 * toplev.c: Revert Nov 1 13:22 change.
1054 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
1056 * config/pa/pa.md (height reduction patterns): Add checks for
1057 overlapping operands to avoid semantic-destroying splits for
1058 height reduction patterns.
1060 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1062 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
1063 have been an hyphen, fixed.
1064 * configure: Rebuilt.
1066 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
1068 * config/arm/tpe.h: Add prototypes for exported functions.
1069 * config/arm/pe.c: Fix compile time warnings.
1070 * config/arm/semi.h: Fix compile time warnings.
1071 * config/arm/arm.c: Fix compile time warnings.
1072 * config/arm/arm.h: Fix compile time warnings.
1073 * config/arm/arm.md: Fix compile time warnings.
1074 * config/arm/thumb.c: Fix compile time warnings.
1075 * config/arm/thumb.h: Fix compile time warnings.
1076 * config/arm/thumb.md: Fix compile time warnings.
1078 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
1080 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
1083 * unroll.c (unroll_loop): Remove LOOP notes when loop is
1084 completely unrolled.
1086 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1088 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
1090 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
1092 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
1093 * rtl.h (rtx_equal_p): Move prototype.
1094 * rtl.c (rtx_equal_function_value_matters): Move from
1096 (rtx_equal_p): Likewise.
1097 * rtlanal.c (rtx_equal_function_value_matters): Delete.
1098 (rtx_equal_p): Likewise.
1100 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
1102 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
1105 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
1107 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
1109 * pa.h (ADDR_VEC_ALIGN): Define.
1111 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
1112 notes when presented with "if (foo) break; end_of_loop" and
1113 the break sequence gets moved out of the loop.
1115 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
1116 Remove explicit zero initializations of entries within MAP.
1118 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
1120 * reg-stack.c (convert_regs_1): Handle EH edges specially.
1122 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
1124 * bitmap.h (BITMAP_XMALLOC): New macro.
1125 * flow.c (CLEAN_ALLOCA): Remove.
1126 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
1127 (life_analysis): Likewise.
1128 (update_life_info): Don't use CLEAN_ALLOCA.
1129 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
1130 (calculate_global_regs_live): Likewise.
1131 (print_rtl_with_bb): Likewise.
1132 (verify_flow_info): Likewise.
1133 * global.c (global_alloc): Likewise.
1134 (global_conflicts): Likewise.
1135 * integrate.c (save_for_inline_nocopy): Likewise.
1136 (expand_inline_function): Likewise.
1137 * jump.c (jump_optimize_1): Likewise.
1138 (duplicate_loop_exit_test): Likewise.
1139 (thread_jumps): Likewise.
1140 * loop.c (loop_optimize): Likewise.
1141 (combine_givs): Likewise.
1142 (recombine_givs): Likewise.
1143 * reorg.c (dbr_schedule): Likewise.
1144 * unroll.c (unroll_loop): Likewise.
1146 * combine.c (combine_instructions): Use xmalloc instead of alloca.
1148 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
1150 * toplev.c (rest_of_compilation): Don't optimize the CFG
1151 when rebuilding, just before dbr.
1153 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1155 * output.h (assemble_end_function, assemble_destructor,
1156 assemble_constructor, assemble_gc_entry, assemble_global,
1157 assemble_label, output_constant_pool) Constify a char*.
1159 * varasm.c (assemble_destructor, assemble_constructor,
1160 assemble_gc_entry, assemble_end_function, assemble_global,
1161 assemble_label, output_constant_pool): Likewise.
1163 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
1165 * config/arm/thumb.c (thumb_expand_prologue): Add comments
1166 explaining what is goin on in this function.
1168 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1170 * regclass.c (record_reg_classes): In matching case, recompute
1171 costs since the direction of movement is different.
1173 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
1175 * resource.c (mark_target_live_regs): For unconditional branches,
1176 the resources found at the branch target should be added to the
1177 resources found so far, not intersected.
1179 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
1181 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
1183 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
1184 (sys/mman.h): Include this file only if #HAVE_MMAP.
1185 (run_compiles): Initialize `esac_fmt' with one old KR string, not
1186 with automatically concatenated ANSI strings.
1188 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
1190 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
1191 (DIV_ROUND_UP): Robustify.
1192 (ggc_recalculate_in_use_p): New function.
1193 (release_pages): Don't inline it.
1194 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
1196 (ggc_pop_context): Use ggc_recalculate_in_use_p.
1197 (clear_marks): Always save in_use_p.
1198 (sweep_pages): Use ggc_recalculate_in_use_p.
1199 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
1200 Release pages before counting statistics.
1202 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
1204 * toplev.c (rest_of_compilation): Fix thinko in this change:
1206 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
1208 (rest_of_compilation): If inside an inlined external function,
1209 pretend we are just being declared.
1211 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
1213 * flow.c (calculate_global_regs_live): Fix thinko.
1215 * integrate.c (expand_inline_function): Fix bugs in previous
1216 change from Oct 28, 1999.
1218 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
1220 * stmt.c (expand_value_return): Fix typo in this change:
1222 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1223 (expand_value_return): Correctly convert VAL when promoting function
1224 return; support RETURN_REG being a PARALLEL.
1226 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
1228 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
1230 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1232 * hard-reg-set.h (reg_names): Constify a char*.
1234 * regclass.c (reg_names): Likewise.
1236 * regs.h (reg_names): Likewise
1238 * a29k/a29k.c (reg_names): Delete declaration.
1240 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
1242 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
1243 arc_output_function_epilogue): Likewise.
1245 * elxsi/elxsi.c (reg_names): Likewise.
1247 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
1249 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
1252 * m88k/m88k.c (output_function_profiler): Likewise.
1254 * sparc/sparc.c (sparc_flat_output_function_prologue,
1255 sparc_flat_output_function_epilogue): Likewise.
1257 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
1259 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
1260 warning from -Wuninitialized and put it under -W.
1261 * function.c (uninitialized_vars_warning): Warn only when the
1262 corresponding flag is set.
1264 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
1266 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
1267 is nonzero and the single set does not have an elt, then assign
1270 * simplify-rtx.c: New file.
1271 * Makefile.in (OBJS): Add simplify-rtx.o
1272 (simplify-rtx.o): Add dependencies.
1273 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
1274 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
1275 (cse_gen_binary, simplify_unary_operation): Delete.
1276 (simplify_binary_operation, simplify_plus_minus): Likewise.
1277 (check_fold_consts, simplify_relation_operation): Likewise.
1278 (simplify_ternary_operation): Likewise.
1279 (delete_trivially_dead_insns): Simplify the contents of the
1280 REG_EQUAL note before trying to substitute it into the source
1281 of the reg-reg copy at the end of a libcall sequence.
1283 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
1284 references/callers changed.
1286 * mn10200.c (mn10200_va_arg): Force the return value into a
1289 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
1291 * cccp.c (macroexpand): Avoid out of range accesses for omitted
1294 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
1296 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
1298 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
1300 * fold-const.c (fold): Fix thinko when optimizing comparisons
1303 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
1305 * gcc.texi (Passes): Update front-end files to their current
1308 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
1310 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
1311 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
1312 (PREDICATE_CODES): Add addition_operation.
1313 * alpha-protos.h (addition_operation): Declare.
1314 (secondary_reload_class): Likewise.
1315 * alpha.c (addition_operation): New.
1316 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
1317 * alpha.md (adddi3): Turn into expander.
1318 (*lda, *adddi_2): New.
1319 (movsf, movdf patterns): Don't preference integer regs.
1320 (movsi, movdi patterns): Don't preference fp regs.
1322 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
1324 * genrecog.c (write_switch): Check for duplicate CODE cases.
1326 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
1328 * ggc-common.c: Update pre-function commentary.
1329 * ggc-page.c: Likewise.
1331 (poison_pages): Use memset directly.
1332 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
1333 (ggc_collect): Poison before sweeping.
1334 * ggc-simple.c: Update pre-function commentary.
1335 (ggc_alloc_obj): Poison non-zeroed memory.
1337 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
1339 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
1340 match format string, even on 64-bit hosts.
1341 * gcc-page.c (ggc_page_print_statistics): Likewise.
1343 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
1345 * config/i386/i386.c (ix86_cpu): Revert last patch.
1346 * config/i386/i386.h (ix86_cpu): Ditto.
1348 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
1350 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
1351 TYPE_SIZE, convert type of result to sizetype.
1353 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
1355 * flow.c (count_or_remove_death_notes): Equate NULL with the
1358 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
1359 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
1362 * i386.c (pic_label_no): Delete.
1363 (ix86_attr_length_default): Don't use single_set to peek
1366 * recog.c (peephole2_optimize): Allow recog_next_insn to index
1367 the first insn after bb->end.
1368 * i386.md (push mem peeps): Scratch is live after evaluation
1370 (cmp mem peep): Similarly.
1372 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
1374 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
1375 * function.c (pad_to_arg_alignment): Add missing braces.
1377 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1379 * alpha/alpha-protos.h (literal_section): Add prototype.
1380 (alpha_need_linkage, alpha_start_function,alpha_end_function):
1383 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
1385 (alpha_start_function, alpha_end_function, float_strings,
1386 alpha_need_linkage): Constify a char*
1388 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
1390 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
1392 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1394 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
1396 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1398 * flow.c (debug_flow_info): Add prototype.
1400 * gcc.c (main): Likewise.
1402 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
1405 * reload1.c (failed_reload, set_reload_reg): Likewise.
1407 * mips-tfile.c (main): Likewise.
1408 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
1409 with ATTRIBUTE_NORETURN.
1411 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
1413 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
1414 DECL is not a memory ref.
1416 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
1418 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
1419 * config/i386/i386.c (ix86_cpu): Add extern attribute.
1421 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
1423 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
1424 * config/mips/elf64.h: ditto.
1426 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
1428 * expr.c (emit_push_insn): New argument alignment_pad.
1429 Update all callers. Adjust stack pointer based on alignment pad.
1430 * function.c (pad_to_arg_alignment): New argument alignment_pad.
1431 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
1432 (locate_and_pad_parm): New argument alignment_pad. Update all
1434 * expr.h (emit_push_insn): Update prototype.
1435 (locate_and_pad_parm): Update prototype.
1436 * calls.c (arg_data): Add new field alignment_pad.
1437 (initialize_argument_information): Initialize alignment_pad.
1439 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
1441 * except.c (free_eh_nesting_info): Free the info itself.
1442 * function.c (free_after_compilation): Don't free NULL.
1443 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
1444 (pre_edge_insert): Free inserted.
1445 * stmt.c (free_stmt_status): Don't free NULL.
1447 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
1449 * gcov.c (DIR_SEPARATOR): Provide default.
1450 (output_data): Add test for MS-DOS format absolute filename.
1451 (fancy_abort): Correct program name.
1452 (open_files): Open all files in binary mode.
1453 * libgcc2.c (__bb_exit_func): Likewise.
1455 * profile.c (init_branch_prob): Specify binary when opening files.
1457 * flags.h (flag_unwind_tables): New decl.
1458 * toplev.c (flag_unwind_table): New definition.
1459 (f_options): Add -funwind-tables.
1460 (decode_g_option): Clarify warning when unknown -g option is given.
1461 (rest_of_compilation): If inside an inlined external function,
1462 pretend we are just being declared.
1464 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
1465 (dwarf2out_frame_finish): Likewise.
1467 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
1469 * fold-const.c (merge_ranges): In not in0, but in1, handle
1470 upper bounds equal like subset case.
1472 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
1474 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
1475 passed in a register but moved to the stack.
1477 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
1479 * gcc.c (pass_exit_codes, greatest_status): New variables.
1480 (struct option_map): Add entry for "--pass-exit-codes".
1481 (execute): Update greatest_status if error.
1482 (display_help): Add documentation for -pass-exit-codes.
1483 (process_command): Handle -pass-exit-codes.
1484 (main): Look at pass_exit_codes and greatest_status on call to exit.
1486 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1488 * reload.c (find_reloads): Refine test for no input reload
1489 case to not includes reloads emitted after insn.
1491 * function.c (find_temp_slots_from_address): Handle sum involving
1492 a register that points to a temp slot.
1493 (update_temp_slot_address): Make recursive call if both old and
1494 new are PLUS with a common operand.
1495 * calls.c (expand_call): Mark temp slot for result as having
1498 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
1500 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
1501 component as well as "BINUTILS".
1503 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
1504 * integrate.c (copy_rtx_and_substitute): Likewise.
1505 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
1506 All callers changed.
1507 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
1509 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
1510 gdb extensions, write size of type; also be more consistent
1511 in using references when this is a subtype.
1513 * pa.md (extv, extzv, insv): Use define_expand to reject constant
1514 that is out of range.
1516 * loop.c (unknown_constant_address_altered): New variable.
1517 (prescan_loop): Initialize it.
1518 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
1519 (invariant_p, case MEM): Remove handling for volatile and readony;
1520 check new variable if readonly.
1521 (check_dbra_loop): Chdeck unknown_constant_address_altered.
1523 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
1524 (addr_affects_sp_p): Removed from note_mem_written and only
1525 define #ifdef AUTO_INC_DEC.
1527 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
1529 * regclass.c (record_reg_classes): Properly handle register move
1532 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
1533 Don't think valid if both operands are invalid.
1534 (struct constant_descriptor): New field RTL.
1535 (mark_const_hash_entry): Mark it.
1536 (record_constant{,_rtx}): Initialize it.
1537 (output_constant_def): Allocate RTL in permanent obstack and
1539 ({record,compare}_constant_1): Modes must match for
1540 CONSTRUCTOR of ARRAY_TYPE.
1542 * c-common.h (initializer_constant_valid_p): Delete decl from here.
1543 * output.h (initializer_constant_valid_p): Move decl to here.
1544 * c-common.c (initializer_constant_valid_p): Delete function from here.
1545 * varasm.c (initializer_constant_valid_p): Move function to here.
1547 * tree.h (STRIP_SIGN_NOPS): New macro.
1548 * fold-const.c (optimize_minmax_comparison): New function.
1549 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
1550 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
1551 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
1552 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
1553 widening conversions.
1554 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
1555 to look at size of mode, not precision of type; also add missing cases.
1556 (optimize_bit_field_compare, decode_field_reference): Don't try to
1557 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
1559 * dwarf2out.c (ctype.h): Include.
1560 (dwarf2out_set_demangle_name_func): New function.
1561 (size_of_line_info): Deleted.
1562 (output_line_info): Compute size of line info table from difference
1564 (base_type_die, add_name_attribute): Call demangle function, if any.
1565 (field_byte_offset): Use bits per word for variable length fields.
1566 (gen_array_type_die): Add array name.
1567 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
1568 (dwarf2out_add_library_unit_info): New function.
1570 * explow.c (set_stack_check_libfunc): New function.
1571 (stack_check_libfunc): New static variable.
1572 (probe_stack_range): Allow front-end to set up a libfunc to call.
1574 * combine.c (simplify_comparison): When making comparison in wider
1575 mode, check for having commuted an AND and a SUBREG.
1576 (contains_muldiv): New function.
1577 (try_combine): Call it when dividing a PARALLEL.
1578 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
1579 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
1581 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
1582 use one of the CLOBBERs instead.
1583 (if_then_else_cond): If comparing against zero, just return thing
1586 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
1587 Don't generate shifts and subtract if have conditional arithmetic.
1589 * rtl.h (delete_barrier): New declaration.
1590 * jump.c (jump_optimize): Set up to handle conditional call.
1591 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
1592 (delete_barrier): New function.
1594 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
1596 * recog.c (nonmemory_operand): Accept ADDRESSOF.
1598 * tree.c (build_type_attribute_variant): Push to obstack of
1599 ttype around type_hash_canon call.
1601 * expr.c (placeholder_list): Move decl to file scope.
1602 (expand_expr): Don't force access to volatile just because its
1604 If ignoring reference operations, just expand the operands.
1605 (expand_expr, case COMPONENT_REF): Propagate
1606 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
1607 Refine test for using bitfield operations vs pointer punning.
1608 (expand_expr, case CONVERT_EXPR): If converting to
1609 BLKmode UNION_TYPE from BLKmode, just return inner object.
1610 Use proper mode in store_field call.
1611 Properly set sizes of object to store and total size in store_field
1612 call for convert to union.
1613 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
1614 memory (like for ADDR_EXPR). Also, don't put constant in register if
1615 we'll want it in memory.
1616 (readonly_fields_p): New function.
1617 (expand_expr, case INDIRECT_REF): Call it if LHS.
1618 (expand_assignment): Handle a RESULT_DECL where
1619 DECL_RTL is a PARALLEL.
1620 (do_jump, case WITH_RECORD_EXPR): New case.
1621 (get_inner_reference): Always go inside a CONVERT_EXPR
1622 and NOP_EXPR if both modes are the same.
1623 (store_field): Use bitfield operations if size of bitsize is not same
1624 as size of RHS's type.
1625 Check for bitpos not a multiple of alignment in BLKmode case.
1626 Do block move in largest possible alignment.
1627 (store_constructor): Set BITSIZE to -1 for variable size and properly
1628 in case of array of BLKmode.
1629 (expand_expr_unaligned): New function.
1630 (do_compare_and_jump): Call it.
1632 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
1633 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
1634 does not include 'o'.
1636 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
1637 both SET_DEST and SET_SRC reference a virtual register.
1638 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
1640 * integrate.c (expand_inline_function): Handle case of setting
1641 virtual stack vars register (from built in setjmp); when parameter
1642 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
1643 (subst_constant): Add new parm, MEMONLY.
1644 (expand_inline_function, integrate_parm_decls): Pass new parm.
1645 (integrate_decl_tree): Likewise.
1646 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
1647 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
1648 (copy_rtx_and_substitute, case SET): Add explicit calls to
1649 copy_rtx_and_substitute for both sides.
1651 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
1653 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
1654 within INDEX_TYPE, instead of before.
1655 (fixup_gotos): Use f->target_rtl, not the next insn,
1656 since latter may be from a later fixup.
1657 (expand_value_return): Correctly convert VAL when promoting function
1658 return; support RETURN_REG being a PARALLEL.
1659 (expand_return): When checking for result in regs and having
1660 cleanup, consider PARALLEL in DECL_RTL as being in regs.
1662 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
1664 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
1665 last_nominal_fname): Mark const.
1666 (struct include_hash: name, nshort, control_macro): Mark
1668 (struct macrodef: symnam): Mark const.
1669 (struct if_stack: fname): Mark const.
1670 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
1671 (IStable): New character-syntax array which encompasses all
1672 the old is_foo arrays.
1673 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
1674 is_space): New macros for interrogating IStable.
1675 (check_macro_name): Kill last argument. All callers changed.
1677 * cppinit.c (initialize_char_syntax): Delete.
1678 (is_idchar, is_idstart, is_hor_space, is_space,
1679 trigraph_table): Delete.
1680 (IStable): New. Initialize with clever macros to avoid
1681 information duplication.
1682 (builtin_array): Table of builtins to get rid of explicit list
1683 in initialize_builtins.
1684 (initialize_builtins): Use builtins_array.
1685 (cpp_start_read): Call init_IStable, and set IStable['$'] if
1686 opts->dollars_in_ident.
1688 * cppexp.c: Change all refs to is_xyz[] arrays to use new
1690 (cpp_parse_expr): Avoid 'format string is not constant'
1691 warning. Use ISGRAPH to identify printable chars.
1692 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
1694 (read_and_prescan): Map trigraphs to chars with open-coded
1695 if-else-if-... sequence, not a lookup table.
1696 * cpphash.c: Change all refs to is_xyz[] arrays to use new
1698 * cpplib.c: Change all refs to is_xyz[] arrays to use new
1699 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
1700 (check_macro_name): Remove ability to report an invalid
1701 assertion name, which is never used.
1702 (do_line): Constify a couple of char *'s.
1703 * cppmain.c (main): Call cpp_cleanup before returning.
1705 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
1707 * ggc.h (struct ggc_statistics): New type.
1708 (ggc_get_size): New function.
1709 (ggc_print_statistics): Likewise.
1710 * ggc-common.c (ggc_stats): New variable.
1711 (ggc_mark_rtx_children): Keep statistics.
1712 (ggc_mark_tree_children): Likewise.
1713 (ggc_print_statistics): New function.
1714 * ggc-page.c (struct globals): Add bytes_mapped field.
1715 (alloc_anon): Update it.
1716 (release_pages): Likewise.
1717 (ggc_get_size): New function.
1718 (ggc_page_print_statistics): New function.
1719 * ggc-simple.c (ggc_get_size): New function.
1721 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
1723 * flow.c (propagate_block): When the last reference to a label
1724 before an ADDR_VEC is deleted because the reference is a dead
1725 store, delete the ADDR_VEC.
1727 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
1729 * resource.c (find_free_register): Don't use the frame pointer
1730 if frame_pointer_needed.
1732 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
1734 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
1735 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
1737 * config/i960/i960.c (i960_va_start): New locals base, num.
1738 Use INDIRECT_REF instead of ARRAY_REF on valist.
1739 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
1741 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
1743 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
1745 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
1747 * tree.def (PLACEHOLDER_EXPR): Update comments.
1749 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1751 * c-common.c (check_format_info): Avoid non-literal format string
1752 warnings when `first_arg_num' is zero.
1754 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
1756 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
1758 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
1760 * arm.md (casesi_insn): Add a clobber of the condition code
1763 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
1765 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
1766 used by both cc1 and cc1plus.
1768 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
1770 * config/arm/arm.c: Initialise arm_structure_size_boundary to
1771 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
1772 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
1773 to the value 32 if it has not already been defined.
1774 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
1775 Override definition in arm.h with a value of 8.
1777 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
1779 * c-pragma.c (push_alignment): Don't check the return value
1782 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
1784 * sparc.h (ADJUST_COST): Fix thinko.
1786 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
1788 * cccp.c (rescan): Fixed obp pointer handling around call to
1789 check_expand subroutine.
1791 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
1793 * gcse.c (delete_null_pointer_checks): Only record non-null info
1794 for pseudos when examining stores.
1796 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
1797 splitters for these patterns. Use "#" for output templates.
1798 (addsi3_carryin_shift): New pattern.
1800 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
1802 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
1803 of the function return register into a plain REG until
1804 after function inlining is done.
1806 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
1808 * jump.c (jump_optimize_1): If we did cross-jumping, and
1809 the data will matter, rebuild the CFG.
1810 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
1811 not optimizing. Don't run shorten_branches.
1812 * toplev.c (rest_of_compilation): Run shorten_branches after
1815 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
1817 * rtl.h (note_stores): Add additional paramter.
1818 * rtlanal.c (reg_set_p_1): Take additional paramter.
1819 (reg_set_last_1): Likewise.
1820 (reg_set_p): Adjust call to note_stores.
1821 (reg_set_last): Likewise.
1822 (note_stores): Pass data parameter to worker function.
1823 * alias.c (record_set): Take additional parameter.
1824 (init_alias_analysis): Pass it.
1825 * caller-save.c (mark_set_regs): Take additional parameter.
1826 (save_call_clobbered_regs): Pass NULL to note_stores.
1827 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
1829 (record_dead_and_set_regs_1): Likewise.
1830 (reg_dead_at_p_1): Likewise.
1831 (combine_instructions): Adjust calls to note_stores.
1832 (try_combine): Likewise.
1833 (record_dead_insn): Remove.
1834 (record_dead_and_set_regs): Adjust calls to note_stores.
1835 (reg_dead_at_p): Likewise.
1836 * cse.c (invalidate_skipped_set): Take additional parameter.
1837 (cse_check_loop_start): Likewise.
1838 (cse_check_loop_start_value): Remove.
1839 (cse_set_around_loop): Adjust calls to note_stores.
1840 * flow.c (notice_stack_pointer_modification): Take additional
1841 parameter. Remove duplicate declaration.
1842 (record_volatile_insns): Adjust calls to note_stores.
1843 * gcse.c (record_set_info): Take additional parameter.
1844 (record_last_set_info): Likewise.
1845 (invalidate_nonnull_info): Likewise.
1846 (record_set_insn): Remove.
1847 (compute_sets): Adjust calls to note_stores.
1848 (last_set_insn): Remove.
1849 (compute_hash_table): Adjust calls to note_stores.
1850 (insert_insn_end_bb): Likewise.
1851 (delete_null_pointer_checks): Likewise.
1852 * global.c (mark_reg_store): Take additional parameter.
1853 (mark_reg_clobber): Likewise.
1854 (reg_becomes_live): Likewise.
1855 (global_conflicts): Adjust calls to note_stores.
1856 (build_insn_chain): Likewise.
1857 * integrate.c (note_modified_parmregs): Take additional parameter.
1858 (mark_stores): Likewise. Make it static.
1859 (save_for_inline_nocopy): Adjust calls to note_stores.
1860 (try_constants): Likewise.
1861 * integrate.h (mark_stores): Remove declaration.
1862 * jump.c (mark_modified_reg): Take additional parameter.
1863 (thread_jumps): Adjust calls to note_stores.
1864 * local-alloc.c (validate_equiv_mem_from_store): Take additional
1866 (no_equiv): Likewise.
1867 (reg_is_set): Likewise.
1868 (validate_equiv_mem): Adjust calls to note_stores.
1869 (update_equiv_regs): Likewise.
1870 (block_alloc): Likewise.
1871 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
1872 (note_addr_stored): Take additional parameter.
1873 (note_set_pseudo_multiple_uses): Likewise.
1874 (record_initial): Likewise.
1875 (prescan_loop): Adjust calls to note_stores.
1876 (strength_reduce): Likewise.
1877 (check_dbra_loop): Likewise.
1878 * regmove.c (flags_set_1): Take additional paramter.
1879 (mark_flags_life_zones): Adjust calls to note_stores.
1880 * reload1.c (mark_not_eliminable): Take additional parameter.
1881 (forget_old_reloads_1): Likewise.
1882 (reload_cse_invalidate_rtx): Likewise.
1883 (reload_cse_check_clobber): Likewise.
1884 (reload_combine_note_store): Likewise.
1885 (move2add_note_store): Likewise.
1886 (reload): Adjust calls to note_stores.
1887 (reload_as_needed): Likewise.
1888 (emit_reload_insns): Likewise.
1889 (reload_cse_regs_1): Likewise.
1890 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
1891 (reload_combine): Adjust calls to note_stores.
1892 * resource.c (update_live_status): Take additional paramter.
1893 (mark_target_live_regs): Adjust calls to note_stores.
1894 * stupid.c (find_clobbered_regs): Take additional parameter.
1895 (stupid_life_analysis): Adjust calls to note_stores.
1897 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
1899 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
1902 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
1905 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
1906 of the variable arm_structure_size_boundary.
1908 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
1910 * alias.c (init_alias_analysis): Allocate reg_known_value and
1911 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
1913 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
1914 * cse.c (cse_main): Call end_alias_analysis.
1915 * haifa-sched.c (schedule_insns): Likewise.
1916 * local-alloc. (update_equiv_regs): Likewise.
1917 * reload1.c (reload_cse_regs): Likewise.
1919 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1921 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
1922 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
1923 mapping from MASK_FPU.
1925 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
1927 * sparc.md (call): Don't bound structure return size to 0xfff.
1929 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
1931 * resource.c (mark_target_live_regs): Check that the target
1932 insn wasn't created after compute_bb_for_insn.
1934 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
1936 * ggc-page.c (poison_pages): Don't be overzealous.
1938 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
1940 * alias.c: Update comments for ADDRESS.
1941 (nonlocal_reference_p): Look inside the ADDRESS to determine if
1942 it is a local memory reference.
1944 * c-typeck.c (build_function_call): Check that the built-in
1945 function is of class BUILT_IN_NORMAL before trying to recongize
1947 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
1948 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
1950 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
1952 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
1954 (pre_gcse): Likewise.
1955 (hoist_expr_reaches_here_p): Likewise.
1956 (hoist_code): Likewise.
1957 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
1959 (pre_expr_reaches_here_p_work): ... here.
1960 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
1962 (expr_reaches_here_p_work): ... here.
1964 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
1966 * resource.c (find_basic_block): Delete.
1967 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
1968 (init_resource_info): Call compute_bb_for_insn.
1970 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
1972 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
1973 with already adjacent blocks, but no fallthru.
1974 (merge_blocks_move_successor_nojumps): Simplify.
1975 (debug_flow_info): New.
1977 * toplev.c (rest_of_compilation): Open jump1 dump file before
1978 jump and close after, as opposed to just using dump_rtl.
1980 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1982 * reload.h (earlyclobber_operand_p): Declare.
1983 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
1984 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
1985 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
1986 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
1988 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
1989 Richard Henderson <rth@cygnus.com>
1991 * emit-rtl.c (emit_block_insn_before): New.
1992 (emit_block_insn_after): New.
1993 * basic-block.h: Declare them.
1995 * bitmap.h: Protect from multiple inclusion.
1997 * recog.c (scratch_operand): Handle VOIDmode correctly.
1999 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
2001 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
2002 * function.c (assign_parms): Likewise.
2003 * global.c (global_conflicts): Clarify STACK_REGS commentary.
2005 * reg-stack.c (max_uid): Remove.
2006 (blocks, block_begin, block_end, block_drops_in): Remove.
2007 (block_stack_in, block_out_reg_set, block_number): Remove.
2008 (struct block_info_def, BLOCK_INFO): New.
2009 (enum emit_where): New.
2010 (current_block): New.
2011 (BLOCK_NUM): Remove.
2012 (mark_regs_pat, record_label_references): Remove.
2013 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
2015 (goto_block_pat, print_blocks, dump_stack_info): Remove.
2016 (reg_to_stack): Simplified test for existance of fp code. Use
2017 flow.c code. Call shorten_branches after cross-jump opt.
2018 (check_asm_stack_operands): Renamed from record_asm_reg_life.
2019 Return false if the asm doesn't use stack regs. Don't do life
2020 analysis on the asm.
2021 (emit_pop_insn): Replace function pointer arg `when' with
2022 enum `where'. Update all callers.
2023 (change_stack): Likewise. Update basic block end.
2024 (emit_swap_insn): Use current_block->head to limit reverse search
2025 for start of block. Use emit_block_insn_after.
2026 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
2027 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
2028 structure assignment instead of bcopy.
2030 (convert_regs_entry, convert_regs_exit): New.
2031 (convert_regs_1, convert_regs_2): Split out from convert_regs.
2032 Work on basic blocks and the CFG.
2033 (convert_regs): Use them.
2035 * i386.c (output_fix_trunc): Remove code for DImode input operand
2036 not at top-of-stack.
2037 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
2039 (fix_truncdi_1): Allow any mode scratch.
2041 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
2043 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
2044 * linux.h, netbsd.h, vms.h: Not here.
2046 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
2048 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
2049 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
2050 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
2051 CONDITIONAL_REGISTER_USEAGE): Use them.
2052 * config/mips/mips.c (mips_move_1word,mips_move_2words,
2053 gen_conditional_branch,override_options) : Use them.
2054 * config/mips/mips.md : Use them.
2056 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
2058 * i386.md (zero_extendqihi2): Use SImode register name with andl.
2060 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
2062 * integrate.c (function_cannot_inline_p): Don't allow inlining
2065 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2067 * c-parse.in (cast_expr): Constify.
2069 * cccp.c (special_symbol): Likewise.
2071 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
2073 * dwarf2out.c (base_type_die): Likewise.
2075 * global.c (allocno_compare): Likewise.
2077 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
2079 * regclass.c (fix_register): Likewise.
2081 * rtl.h (fix_register): Likewise.
2083 * stupid.c (stupid_reg_compare): Likewise.
2085 * toplev.c (decode_f_option): Likewise.
2087 * tree.c (build_complex_type): Likewise.
2089 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
2091 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
2093 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2095 * reload.c (find_reloads): Compute mode and nregs fields of all
2097 * reload1.c (calculate_needs_all_insns): Simplify a bit.
2098 (calculate_needs): Use precomputed mode/nregs values.
2099 (allocate_reload_reg): Likewise.
2101 (failed_reload, set_reload_reg): ... new functions.
2102 (choose_reload_regs_init): New function, mostly broken out from...
2103 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
2104 Also lose one #if 0 block.
2106 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
2108 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
2111 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
2113 * tree.h (BLOCK_TYPE_TAGS): Remove.
2114 (BLOCK_END_NOTE): Likewise.
2115 (BLOCK_LIVE_RANGE_FLAG): Likewise.
2116 (BLOCK_LIVE_RANGE_START): Likewise.
2117 (BLOCK_LIVE_RANGE_END): Likewise.
2118 (tree_block): Remove live_range_flag, live_range_var_flag, and
2119 type_tags. Remove end_note, live_range_start, and live_range_end.
2120 (remember_end_note): Remove prototype.
2121 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
2122 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
2124 * ggc-common.c (ggc_mark_tree_children): Don't mark
2125 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
2126 * integrate.c (adjust_copied_decl_tree): Remove.
2127 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
2128 * stmt.c (last_block_end_note): Remove.
2129 (init_stmt): Don't add a GC root for it.
2130 (expand_fixup): Don't set it.
2131 (remember_end_note): Remove.
2132 (expand_end_bindings): Don't set last_block_end_note.
2134 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2136 * reload1.c (reload_reg_free_for_value_p): Show
2137 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
2140 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
2142 * expmed.c (extract_bit_field): Allow for the case of non-integer
2143 objects that are smaller than a word (like SFmode on a 64-bit
2146 * loop.c (basic_induction_var): A non-integer variable which is
2147 being set by a paradoxical subreg is probably not a biv.
2149 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2151 * prefix.c (translate_name) Check for empty prefix string.
2153 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
2155 * Makefile.in (CPP_CROSS_NAME): New variable.
2156 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
2158 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
2159 names of the files to be uninstalled.
2161 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
2163 * collect2.c (IS_DIR_SEPARATOR): Define.
2164 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
2166 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
2169 * haifa-sched.c (add_dependence): Update the true dependency
2170 cache the first time we add a true dependence to the LOG_LINKS chain.
2172 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
2174 * fold-const.c (fold): Fix comment.
2176 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2178 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
2179 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
2180 dbxout_start_new_source_file, dbxout_source_file,
2181 dbxout_source_line, dbxout_finish, dbxout_type_fields,
2182 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
2184 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
2185 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
2186 (dbxout_block): Initialize variable `blocknum'.
2188 * dbxout.h (dbxout_init, dbxout_finish,
2189 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
2190 dbxout_args, dbxout_source_line): Constify a char*.
2192 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
2193 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
2194 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
2195 low_pc_attribute, high_pc_attribute, body_begin_attribute,
2196 body_end_attribute, comp_dir_attribute, sf_names_attribute,
2197 src_info_attribute, mac_info_attribute, producer_attribute,
2198 lookup_filename, generate_macinfo_entry, fundamental_type_code,
2199 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
2200 dwarfout_undef): Constify a char*.
2201 (add_incomplete_type, retry_incomplete_types): Add prototypes.
2203 * dwarfout.h (dwarfout_define, dwarfout_undef,
2204 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
2206 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
2208 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
2209 (MULTILIB_ISA_DEFAULT): New.
2210 (MULTILIB_DEFAULTS): Use it.
2211 * config/mips/mips.c (): Remove the now unnecessary definition
2212 of MIPS_ISA_DEFAULT.
2213 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
2214 unnecessary definition.
2216 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
2218 * arm.md (pic_load_addr): Add constraints to operand 1.
2220 1999-10-25 Bruce Korb <autogen@linuxbox.com>
2222 * fixinc/genfixes: Provide a means for specifying -D options to
2225 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
2227 * arm.c (arm_override_options): Correct initialization of
2228 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
2229 arm_is_strong, and arm_is_6_or_7.
2231 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
2232 (note_set_pseudo_multiple_uses): New function.
2233 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
2234 if a pseudo set in the loop exit is used elsewhere.
2236 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
2238 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
2240 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
2242 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
2243 a single load-address pattern.
2245 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
2247 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
2248 depending on whether or not line-number notes are present.
2250 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2252 * cccp.c (progname, file_buf, default_include, include_file,
2253 macrodef, definition, hashval, wchar_type, user_label_prefix,
2254 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
2255 expand_to_temp_buffer, is_system_include, base_name,
2256 absolute_filename, read_name_map, open_include_file,
2257 record_control_macro, check_precompiled, check_preconditions,
2258 pcfinclude, pass_thru_directive, create_definition,
2259 check_macro_name, comp_def_part, collect_expansion,
2260 check_assertion, read_token_list, assertion_install,
2261 assertion_lookup, eval_if_expression, conditional_skip,
2262 validate_else, skip_quoted_string, quote_string, macarg1,
2263 error_from_errno, install, lookup, hashf, dump_defn_1,
2264 perror_with_name, pfatal_with_name, main, trigraph_pcp,
2265 check_white_space, rescan, handle_directive, monthnames,
2266 special_symbol, do_include, remap_include_file, write_output,
2267 arglist, do_assert, do_unassert, do_line, do_error, do_once,
2268 do_ident, do_sccs, do_xifdef, skip_if_group,
2269 output_line_directive, macroexpand, macarg, change_newlines,
2270 initialize_builtins, make_definition): Constify a char*.
2272 * pcp.h (stringdef): Likewise.
2274 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
2276 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
2279 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
2280 Richard Henderson <rth@cygnus.com>
2282 * alias.c: Include ggc.h.
2283 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
2284 (record_set): Verify enough room in reg_base_value.
2285 (init_alias_analysis): Allocate reg_base_value with xcalloc.
2286 Register it as a GC root.
2287 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
2288 * Makefile.in (alias.o): Depend on ggc.h.
2290 * unroll.c (unroll_loop): Verify the insn before a barrier
2291 is a JUMP_INSN before checking JUMP_LABEL.
2293 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2295 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
2296 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
2297 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
2298 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
2299 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
2300 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
2302 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2304 * output.h (ctors_section, dtors_section, bss_section): Prototype.
2306 * alpha/alpha-interix.h (text_section): Delete prototype.
2307 * alpha/elf.h (text_section): Likewise.
2308 * arm/linux-elf.h (text_section): Likewise.
2309 * arm/linux-telf.h (text_section): Likewise.
2310 * c4x/c4x.h (text_section): Likewise.
2311 * dsp16xx/dsp16xx.h (bss_section): Likewise.
2312 * elfos.h (text_section): Likewise.
2313 * i386/aix386ng.h (text_section): Likewise.
2314 * i386/i386-interix.h (text_section): Likewise.
2315 * i386/sco5.h (text_section): Likewise.
2316 * i386/svr3gas.h (text_section): Likewise.
2317 * nextstep.h (text_section): Likewise.
2318 * psos.h (text_section): Likewise.
2319 * ptx4.h (text_section): Likewise.
2320 * svr3.h (text_section): Likewise.
2321 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
2323 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2325 * final.c (peephole): Delete prototype.
2327 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
2328 (pre_insert_copies): Remove unused variable `bb'.
2330 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
2333 * output.h (peephole): Add prototype.
2335 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
2337 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
2340 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
2342 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
2343 for inlined declarations.
2345 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
2347 * arm.c (logical_binary_operator): New fucntion.
2348 * arm.h (logical_binary_operator): Declare it.
2349 (PREDICATE_CODES): Handle logical_binary_operator.
2350 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
2351 output constraints. Add appropriate splitters.
2352 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
2353 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
2354 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
2356 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2358 * genoutput.c (struct operand_data): New elt eliminable.
2359 (output_operand_data): Write it.
2360 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
2361 (compare_operands): Take it into account.
2362 * recog.h (struct insn_operand_data): New elt eliminable.
2363 * reload1.c (check_eliminable_occurrences, elimination_effects): New
2365 (old_asm_operands_vec, new_asm_operands_vec): Delete.
2366 (eliminate_regs): Move code that detects changes to elimination
2367 target regs into new function elimination_effects.
2368 Delete one #if 0 block.
2369 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
2370 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
2371 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
2372 Only call eliminate_regs for real operands of the insn, not for parts
2373 of its structure or parts matched by things like match_operator.
2374 Use elimination_effects and check_eliminable_occurrences. Use
2375 copy_insn to duplicate the pattern when not in the final pass.
2377 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
2379 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
2382 1999-10-22 Bruce Korb <autogen@linuxbox.com>
2384 * fixinc/README: document the "mach" machine matching test
2385 * fixinc/fixfixes.c: Implement the #else/#endif label fix
2386 * fixinc/fixtests.c: Implement the #else/#endif label test
2387 * fixinc/inclhack.def: utilize these tests and fixes
2388 * fixinc/inclhack.sh: regen
2389 * fixinc/fixincl.x: regen
2390 * fixinc/fixincl.sh: regen
2392 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
2394 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
2397 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
2399 * gcc.1: Document exit codes.
2401 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2403 * calls.c: Include tm_p.h later, so everything we need is defined.
2405 * function.c: Likewise.
2407 * except.c: Include tm_p.h.
2409 * sparc.c: Likewise.
2410 (dwarf2out_cfi_label): Don't prototype.
2411 (check_return_regs, epilogue_renumber,
2412 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
2413 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
2414 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
2415 ultra_schedule_insn): Add static prototype.
2416 (data_segment_operand, text_segment_operand): Call itself with the
2417 proper number of arguments.
2418 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
2420 * sparc.h: Move all declarations to sparc-protos.h.
2421 (SELECT_RTX_SECTION): Pass a missing MODE argument to
2424 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
2426 * config/svr4.h (text_section, ctors_section, dtors_section): Add
2428 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
2429 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
2430 ASM_OUTPUT_ASCII): Constify a char*.
2432 * sparc-protos.h: New file for sparc prototypes.
2434 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2436 * function.c (record_insns, contains): Always declare and define.
2437 (record_insns): Mark with ATTRIBUTE_UNUSED.
2439 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
2441 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
2442 to .section when outputting a .bss section to deal with multiple
2443 .bss input sections (as happens with -fdata-sections)
2444 Also output %progbits, not @progbits so the assembler doesn't treat as
2446 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
2448 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
2449 thumb parts even when building with non-thumb CPUs, by forcing
2452 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
2454 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
2455 (movdf_const_intreg_sp64): Similarly.
2457 * local-alloc.c (update_equiv_regs): Check the correct insn
2458 for pre-existing REG_EQUIV notes.
2460 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
2462 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
2463 block reached by a branch if we're not going to actually process
2466 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
2468 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
2469 a local extern function declaration.
2471 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
2473 * i386.c (ix86_expand_prologue): Properly wrap USE around
2474 reg for CALL_INSN_FUNCTION_USAGE.
2476 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
2478 * config/mips/mips.md (movdf_internal1a): Allow floating-point
2479 move between GP_REGs.
2481 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
2483 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
2484 the mode size when finding out if an offset is legal.
2486 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
2488 * basic-block.h (PROP_*): Move constants from ...
2490 (compute_bb_for_insn): Free the array before reallocating.
2491 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
2492 (allocate_reg_life_data): Reset all reg variables collected by
2494 (get_block_head_tail): Don't convert from bb to block.
2495 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
2496 (find_insn_reg_weight): Take block not bb.
2497 (schedule_block): Don't set block num for moved insns.
2498 (schedule_region): Don't update_life_info or find_insn_reg_weight.
2499 (schedule_insns): Do it here instead.
2500 * combine.c (combine_instructions): Invoke compute_bb_for_insn
2501 before update_life_info.
2502 * recog.c (split_all_insns, peephole2_optimize): Update for
2503 new arg to update_life_info.
2504 * rtlanal.c (remove_note): Cope with NULL note.
2505 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
2508 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
2510 * jump.c (jump_optimize_1): More accurately detect casesi insns.
2512 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
2513 block records so that merge_blocks_nomove will clean up correctly.
2514 (split_edge): Handle casesi insns.
2516 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
2518 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
2520 * pa.md (call, call_value): Do not emit a blockage after restoring
2523 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
2525 * c-typeck.c (c_expand_asm_operands): Fix typo.
2527 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2529 * arm.c (fpu_rhs_operand): Verify modes.
2530 (fpu_add_operand): Likewise.
2531 (di_operand): Likewise.
2532 (soft_df_operand): Likewise.
2534 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
2536 * arm.c (arm_return_in_memory): APCS rules state that the elements
2537 of a structure returned in a register must be 'integer-like'.
2539 1999-10-19 Bruce Korb <autogen@linuxbox.com>
2541 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
2542 in the source tree when the generated targets are out of date
2543 * fixinc/genfixes: Alter it to run individual fixes for make.
2544 * fixinc/README: rewrite
2545 * fixinc/inclhack.def: moved initial comments to README
2547 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
2549 * toplev.c (main): Do not generate an error message if an
2550 unrecognised command line switch is recognisable by another
2551 language. If extra_warnings are enabled, then generate a
2552 warning message instead.
2554 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
2556 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
2557 (insert_pack_attributes): Delete prototype.
2559 * c-pragma.c (default_alignment): New static variable.
2560 (push_alignment): Initialize to current effective alignment.
2561 (pop_alignment): Use to set new alignment.
2562 (insert_pack_attributes): Delete function.
2563 (handle_pragma_token): Set default_alignment as well each time
2564 a #pragma pack(<n>) is encountered.
2566 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
2568 * reg-stack.c (stack_result): Aggregates are not returned in
2571 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
2573 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
2575 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
2577 * basic-block.h (set_block_num): Declare.
2578 * flow.c (update_life_info): Don't call compute_bb_for_insn
2579 or free_basic_block_vars.
2580 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
2581 (insn_orig_block): Remove.
2582 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
2583 (schedule_block): Keep BLOCK_NUM up-to-date.
2584 (schedule_insns): Use compute_bb_for_insn.
2585 * recog.c (split_all_insns): Likewise.
2586 (peephole2_optimize): Likewise.
2588 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
2590 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
2591 if the pic register is used.
2593 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2595 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
2596 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
2597 if that tests TREE_PERMANENT.
2599 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
2601 * cse.c (invalidate_for_call): Do not remove memory references from
2602 the table here. It's handled elsewhere.
2604 * haifa-sched.c (add_dependence): Protect references to the
2605 true dependency cache with #ifdef INSN_SCHEDULING.
2606 (remove_dependence): Similarly.
2608 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
2609 to the cfg code that this is a return instruction.
2610 * mn10300.md (return_internal): Similarly.
2612 * combine.c (get_last_value): If the last set of a register
2613 is after subst_low_cuid, then we can not use it to determine
2614 the register's last value.
2616 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
2618 * Makefile.in: Back out previous change.
2620 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
2622 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
2624 * haifa-sched.c (add_dependence): Only check/update the cache
2626 (remove_dependence): Likewise.
2627 (schedule_insns): Only create the true_dependency_cache if the
2628 average number of instructions in a basic block is very large.
2630 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
2632 * Makefile.in (ggc-common.o): Depend on genrtl.h.
2633 (ggc-simple.o): Likewise.
2634 (ggc-page.o): Likewise.
2636 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
2638 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
2639 Prototype for exported functions.
2640 (pre_lcm, pre_rev_lcm): Remove prototypes.
2641 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
2642 (compute_available): Move to lcm.c, and change parameter order.
2643 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
2644 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
2645 (gcse_main): No longer call compute_preds_succs. Rebuild the
2646 set table after reach pre pass.
2647 (pre_insert_map, pre_delete_map, edge_list): New.
2648 (alloc_pre_mem): Allocate edge vectors.
2649 (free_pre_mem): Delete edge vectors.
2650 (compute_pre_data): Call new edge based lcm routines.
2651 (process_insert_insn): New function.
2652 (insert_insn_end_bb): Use it.
2653 (pre_edge_insert): New function.
2654 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
2656 (pre_insert_copies): Revamp using new edge based lcm outputs.
2657 (pre_delete): Likewise.
2658 (one_pre_gcse_pass): Insert & remove fake edges to the exit
2660 (compute_code_hoist_vbeinout): New new edge based routines.
2661 * lcm.c: Remove all the old LCM functions. Replace with new ones
2662 that work with the new cfg datastructures and work with edges
2665 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2667 * reload.h (struct reload): Add new fields "mode" and "nregs".
2668 * reload1.c: Change all occurrences of reload_mode and reload_nregs
2669 to reference the "mode" and "nregs" field within struct reload.
2671 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
2673 * haifa-sched.c (true_dependency_cache): New.
2674 (add_dependence): Use the true dependency cache to avoid expensive
2675 walks down the LOG_LINKS dependency list. Add entries to the
2677 (remove_dependence): Remove entries from the true dependency cache
2679 (schedule_insns): Allocate and initialize and free the true
2682 * haifa-sched.c (schedule_insns): Do not remove inter-block
2683 dependencies anymore.
2685 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
2687 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
2688 * i386/t-winnt: Likewise.
2690 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
2692 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
2694 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
2696 * Makefile.in (LANGUAGES): Omit "proto".
2697 (clean): Remove stale comment about removing unprotoize.c.
2699 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2701 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
2702 using arithmetic on void pointers.
2704 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
2706 * haifa-sched.c (compute_block_forward_dependencies): Only check
2707 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
2709 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
2711 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
2712 (expr_equiv_p): Reject memories with different alias sets.
2714 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
2716 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
2717 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
2718 (f_options): Add "bounded-pointers" and "bounds-check" entries.
2719 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
2720 (lang_init): Set default for flag_bounds_check if still "unspecified".
2722 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2724 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
2726 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2728 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
2731 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2733 * config/c4x/c4x.md (*db_noclobber,
2734 *decrement_and_branch_until_zero_noclobber): New patterns and
2735 associated splitters.
2737 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2739 * config/c4x/c4x.md (parallel instruction patterns): Rework
2740 constraints to keep reload happy.
2742 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2744 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
2745 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
2746 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
2747 Add new patterns and associated post-reload splitters.
2749 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2751 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
2753 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2755 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
2757 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
2759 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2761 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
2764 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
2766 * pa.c (move_operand): Rely on memory_address_p to determine the
2767 validity of non-indexed memory addresses.
2768 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
2769 operand in DFmode and SFmode when generating PA2.0 code.
2771 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
2773 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
2775 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
2777 * mips.c (function_prologue): Fix argument types.
2778 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
2779 (casesi_internal): Write to the scratch register.
2781 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
2783 * cppexp.c (cpp_parse_escape): Make static. Change second arg
2785 (parse_charconst): Delete unnecessary cast when calling
2787 (cpplib.h): Kill prototype of cpp_parse_escape.
2789 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
2791 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
2792 * unroll.c (unroll_loop): Cast return value of alloca.
2793 * i370/i370.c: Include function.h and toplev.h.
2794 (i370_label_scan): Remove c++ commented abort.
2795 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
2796 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
2797 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
2798 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
2800 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
2802 * config/t-freebsd: Do not override USER_H.
2803 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
2805 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
2806 Mumit Khan <khan@xraylith.wisc.edu>
2808 * c-parse.in (component_decl): Support anonymous struct/union.
2810 * c-parse.y: Regenerate.
2811 * c-parse.c: Likewise.
2812 * objc/objc-parse.y: Likewise.
2813 * objc/objc-parse.c: Likewise.
2814 * c-decl.c (finish_struct): Don't sort the fields.
2815 (field_decl_cmp): Delete unused function.
2817 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
2819 * sparc.md (movsf_const_intreg): Revert last constraint change.
2820 (movdf_const_intreg_sp32): Likewise.
2822 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
2824 * cse.c: Include hashtab.h instead of splay-tree.h
2825 (struct cse_reg_info): No longer use variant union. Add new
2826 field "regno". All references changed to avoid union.
2827 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
2828 (free_cse_reg_info): Remove.
2829 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
2830 (get_cse_reg_info): Revamp to use expandable hash tables instead
2831 of splay trees. Initialize new fields in cse_reg_info structure.
2832 (new_basic_block): Similarly.
2834 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
2836 * genrecog.c (message_with_line): Prototype.
2837 (validate_pattern): Pass along the set for the dest, not a flag.
2838 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
2839 Check for PC/CC0 as sources.
2840 (nodes_identical): Check for children position match before
2841 allowing the combination.
2843 * rtl.c (read_rtx): Track line number across \\\n.
2845 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
2847 * mips.h (SPECIAL_MODE_PREDICATES): New.
2848 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
2849 (movdi+1, movsi+1): Add output reload constraint.
2850 (casesi_internal): Likewise. Fix commentary.
2851 (return_internal): Use pmode_register_operand.
2853 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
2855 * 1750a.md (movstrqi): Add missing output reload constraint.
2856 (call_value): Likewise.
2857 * a29k.md (cpxxx patterns): Add missing match_operator mode.
2858 (jmpfdec): Add missing inout reload constraint.
2859 * elxsi.md (addsi patterns): Add missing output reload constraint.
2860 (move from sp): Use @ alternates.
2861 (call_value): No constraint on output.
2862 * fr30.md (movsi_pop): Add missing output reload constraint.
2863 (movsf_constant_store): Likewise.
2864 (splits): Remove constraints.
2865 (subsi3): Add missing mode.
2866 * i370.md (cmpstrsi+1): Add missing output reload constraint.
2867 (call_value): Likewise.
2868 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
2869 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
2870 * m32r.md (movsicc_internal): Add output reload constraint.
2871 (movstrsi_internal): Add inout reload constraints.
2872 * m88k.h (reg_names): Don't declare.
2873 (SPECIAL_MODE_PREDICATES): New.
2874 * m88k.md (*): Use register_operand not reg_or_0_operand
2876 * mn10200.h (PREDICATE_CODES): New.
2877 * ns32k.md (ffs pattern): Add output reload constraint.
2878 * pdp11.md (sob pattern): Add inout reload constraint.
2879 * sh.md (splits): Remove constraints.
2880 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
2881 * v850.md (pattern_is_ok_for_epilogue): Likewise.
2882 * vax.md (jgequ pattern): Add inout reload constraint.
2884 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
2886 * configure.in (djgpp): Revert previous patch.
2887 * configure: Rebuit.
2888 * config/i386/djgpp.h: Revert previous patch.
2890 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
2892 * fixinc/inclhack.def: Restore patch lost during last merge of
2893 "no_bogosity" branch.
2894 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
2896 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
2898 * fixincludes: Add a HPUX 11 fix for inttypes.h.
2899 * fixinc/inclhack.def: Same.
2900 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
2902 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
2904 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
2905 as the base of a PLUS.
2907 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2909 * config/c4x/c4x.md: Define mode for remaining unspec operators.
2910 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
2912 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
2914 * pa.md (post_stw+1): Use pmode_register_operand.
2915 (dcacheflush, icacheflush): Likewise.
2917 * i386.md (movstricthi_1): Allow r/r.
2919 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
2921 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
2922 to (not (and (arg0) (arg1))). Similary for and.
2924 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
2925 falltrought to assocate code.
2926 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
2929 * combine.c (simplify_logical): Convert XOR to IOR if operands have
2930 no bits in common; remove XOR to ROTATE conversion.
2932 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2934 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
2936 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2938 * config/c4x/c4x.c (dst_operand): New.
2939 (PREDICATE_CODES): Update.
2940 * config/c4x/c4x.h (dst_operand): Declare it.
2941 * config/c4x/c4x.md: Define mode for each unspec usage.
2942 (move patterns): Use dst_operand predicate instead of src_operand.
2943 (movqi_update, movqf_update): Delete.
2945 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
2947 * recog.c (pmode_register_operand): New.
2948 * recog.h: Declare it.
2949 * genrecog.c (pred_codes): Likewise.
2950 (special_mode_pred_table): Likewise.
2951 (validate_pattern): Don't warn no mode for address_operand.
2953 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
2954 if the operand is not insn-like.
2956 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
2957 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
2959 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
2961 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
2963 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
2964 instead of general_operand in a SET_DEST. Use const_double_operand
2965 instead of an explicit test against CONST_DOUBLE.
2966 (movsf_const_lo): Add missing register mode.
2967 (goto_handler_and_restore): Add auxiliary test for Pmode.
2968 (flush): Adjust to use address_operand.
2969 (return_sf_no_fpu): Add missing output constraint.
2971 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
2973 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
2974 for call return value.
2975 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
2977 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
2979 * toplev.c (main): Only warn about options for other languages.
2980 * collect2.c (main): Pass -w to sub-gcc.
2982 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
2984 * flow.c (propagate_block): Add call-clobbered registers to
2987 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
2988 zapping mem_set_list.
2989 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
2990 (mark_set_1, mark_used_regs): Likewise.
2992 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
2994 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
2996 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2998 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
2999 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
3000 options. Also add a new item "C-only Warning Options" to the
3003 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
3005 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
3006 from multiple calls.
3008 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
3010 * i386.md (call value patterns): Move to the end of the file.
3011 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
3013 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
3015 * configure.in (djgpp configuration): Define extra_objects..
3016 * configure: Rebuilt.
3017 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
3018 (DTORS_SECTION_ASM_OP): Define.
3019 (INIT_SECTION_ASM_OP): Define.
3020 (FINI_SECTION_ASM_OP): Define.
3021 (DATA_SECTION_ASM_OP): Define.
3022 (TEXT_SECTION_ASM_OP): Define.
3023 (EH_FRAME_SECTION_ASM_OP): Define.
3024 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
3025 (STARTFILE_SPEC): Add crtbegin.o.
3026 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
3027 to here from LINK_COMMAND_SPEC.
3028 (DO_GLOBAL_CTORS_BODY): Define.
3029 (CRTSTUFF_USE_FINI_SECTION): Define
3030 (HAS_INIT_SECTION): Delete.
3032 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
3034 * Makefile.in (all.cross): Depend on xcpp$(exeext).
3036 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
3038 * pa.h (PREDICATE_CODES): New.
3040 * genrecog.c (validate_pattern): Condense the destination
3043 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
3045 * alpha.md (call-1): Supply missing mode for operator.
3046 (*): Add missing output reload constraints. Remove constraints
3049 * i386.h (SPECIAL_MODE_PREDICATES): New.
3050 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
3051 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
3052 (addsi_lea_3): Add missing mode for op 3.
3053 (prologue_set_got, prologue_get_pc): Add missing modes.
3054 (*) Add missing output reload constraints.
3056 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
3058 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
3059 check for member bit-size overflow and use var_size if it occurs.
3060 (layout_record): Use bitsize_int() to define the type size in bits.
3061 Likewise for computation and assignment to DECL_FIELD_BITPOS.
3062 (layout_decl): Likewise when assigning to DECL_SIZE.
3064 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
3066 * genrecog.c (validate_pattern): Typo last change. Verify
3067 that output operands have output reloads.
3069 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
3071 * genrecog.c (special_mode_pred_table): New.
3072 (NUM_SPECIAL_MODE_PREDS): New.
3073 (find_operand): New.
3074 (validate_pattern): New argument `insn'. Warn for assignment to
3075 any predicate accepting non-lvalues. Conditionaly warn for
3076 match_operand without a mode. Try much harder to match source
3077 and destination modes on a set.
3078 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
3080 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
3082 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
3084 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
3086 * combine.c (simplify_logical): Recognize xor pattern that encodes
3089 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3091 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
3094 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
3096 * ggc-page.c (MAP_FAILED): Provide default.
3098 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
3100 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
3101 * sparc.h (PREDICATE_CODES): Update.
3103 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
3105 * alpha.c (some_ni_operand): New.
3106 * alpha-protos.h: Declare it.
3107 * alpha.h (PREDICATE_CODES): Update.
3108 * alpha.md (sXaddq reload insns): Use some_ni_operand
3109 for SET_DEST instead of some_operand.
3111 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
3112 Jim Wilson <wilson@cygnus.com>
3114 * genrecog.c (maybe_both_true_2): Don't compare modes of
3116 (process_tree): Elide peephole2_insns. Invoke simplify_tests
3117 after find_afterward.
3118 (debug_decision_1): Dump next and afterward codes.
3120 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
3122 * rtl.c (dump_and_abort): Remove.
3123 (fatal_with_file_and_line): New.
3124 (fatal_expected_char): New.
3125 (read_rtx_lineno, read_rtx_filename): New.
3126 (read_skip_spaces): Track line number.
3127 (read_name): Use fatal_with_file_and_line.
3128 (read_rtx): Use fatal_expected_char. Track line number.
3129 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
3131 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
3132 if it isn't a CODE_LABEL.
3134 * genattr.c (main): Set read_rtx_filename.
3135 * genattrtab.c (main): Likewise.
3136 * gencodes.c (main): Likewise.
3137 * genconfig.c (main): Likewise.
3138 * genemit.c (main): Likewise.
3139 * genextract.c (main): Likewise.
3140 * genflags.c (main): Likewise.
3141 * genopinit.c (main): Likewise.
3142 * genoutput.c (main): Likewise.
3143 * genpeep.c (main): Likewise.
3145 * genrecog.c (decision_test.u.insn): Add `lineno'.
3146 (pattern_lineno, error_count): New variables.
3147 (message_with_line): New.
3148 (add_to_sequence): Break out checking code to ...
3149 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
3150 (merge_insn): Use message_with_line.
3151 (make_insn_sequence): Use validate_pattern. Record insn lineno.
3152 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
3154 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3156 * expr.c (store_constructor): Clear union if constructor is empty.
3158 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
3160 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
3161 Add !endian checks. Change %{...} to %(...).
3163 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
3165 * i386.md (*addsi3_cc): Renamed from addcsi3.
3166 (*addsi3_carry): Renamed from addxsi3.
3167 (*subsi3_cc): Renamed from subcsi3.
3168 (*subsi3_carry): Renamed from subxsi3.
3169 (*xorqi_cc_1): Renamed from xorcqi_1.
3170 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
3171 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
3173 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
3175 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
3176 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
3178 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
3180 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
3181 climb up the chain of insns.
3183 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
3185 * genrecog.c (write_subroutine): Careful for null trees.
3186 (process_tree): Don't elide empty functions.
3188 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
3190 * Makefile.in (genrtl.o): Depend on ggc.h.
3191 * configure.in (valloc): Probe for it.
3192 (with-gc): Use ggc-page if valloc present.
3193 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
3194 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
3195 (ggc_alloc_string): Moved from ggc-page.c.
3196 * ggc-none.c (ggc_alloc_obj): New.
3197 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
3198 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
3199 (struct globals): Likewise for dev_zero_fd.
3200 (init_ggc): Likewise for it's initialization.
3201 (ggc_allocated_p): Move careful dereference from ...
3202 (ggc_lookup_page_table): ... here. Delete.
3203 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
3204 (alloc_anon): Use valloc if no mmap.
3205 (release_pages): Use free if using valloc.
3206 (ggc_alloc_obj): Renamed from alloc_obj.
3207 (ggc_set_mark): Renamed from mark_obj.
3208 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
3209 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
3210 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
3211 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
3212 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
3213 (ggc_collect): Use fp printing instead of our own rounding.
3214 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
3215 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
3216 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
3217 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
3218 (struct ggc_string, struct ggc_any): Delete.
3219 (offsetof): Provide default definition.
3220 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
3222 (struct ggc_mem): New, from corpse of ggc_any.
3223 (struct ggc_status): Delete.
3224 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
3225 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
3226 (n_strings_collected, n_anys_collected): Delete.
3227 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
3228 (ggc_alloc_string, ggc_alloc): Delete.
3229 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
3230 (ggc_free_string, ggc_free_any): Delete.
3231 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
3232 (ggc_compare_addresses, ggc_mark_string): Delete.
3233 (ggc_mark_string_if_gcable, ggc_mark): Delete.
3234 (search_data): Delete.
3235 (struct globals): New.
3236 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
3237 (tree_insert, tree_lookup): New.
3238 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
3239 (clear_marks, sweep_objs): New.
3240 (ggc_collect): Gut. Use clear_marks, sweep_objs.
3241 (init_ggc): Set allocated_last_gc.
3242 (ggc_push_context): Gut. Use G.context.
3243 (ggc_pop_context): Likewise.
3244 (ggc_pop_context_1): New.
3245 (debug_ggc_tree): New.
3246 (debug_ggc_balance, tally_leaves): New.
3247 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
3248 (ggc_mark_string_if_gcable): Remove decl.
3249 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
3250 (ggc_mark_rtvec_children): New.
3251 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
3252 (ggc_mark_if_gcable): New decl.
3253 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
3254 (ggc_alloc_tree, ggc_alloc): Likewise.
3255 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
3256 (ggc_alloc_obj): New decl.
3257 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
3258 (ggc_alloc_tree, ggc_alloc): Likewise.
3259 (ggc_set_mark): New decl.
3260 * rtl.h (struct rtx_def): Remove gc_mark.
3261 (struct rtvec_def): Likewise.
3262 * tree.h (struct tree_common): Likewise.
3264 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
3266 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
3267 float_format and thread_file definitions.
3268 * configure: Rebuilt.
3270 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
3272 * extend.texi (Function Names): Document types of function names.
3274 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3276 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
3277 an earlyclobbered output conflict with RELOAD_INPUT reloads.
3279 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3281 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
3283 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3285 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
3287 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
3289 * collect2.c (main): Do prelimnary link on AIX if rflag.
3291 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
3293 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
3294 __CTOR_LIST__ in opposite order, which is the correct order for sorted
3296 (__do_global_dtors): similarly for __DTOR_LIST__.
3298 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3299 Diego Novillo <dnovillo@cygnus.com>
3301 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
3304 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
3306 * fixincl/*: Merged "no_bogosity" branch
3307 * fixincl/fixlib.h: protect against doubly defining t_bool
3308 * fixincl/server.h: protect against doubly defining t_bool
3310 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
3312 * genoutput.c: Include toplev.h.
3314 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
3316 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
3318 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
3319 * configure: Regenerate.
3321 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
3323 * gcse.c (delete_null_pointer_checks): Returns void.
3325 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3327 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
3328 * emit-rtl.c (copy_insn_1): Likewise.
3330 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
3332 * config/mips/mips.c (mips_build_va_list): Correct
3333 TREE_CHAIN setting when hard-float.
3334 (mips_va_start): Use corrected setting.
3335 (mips_va_arg): Likewise. Also pass a tree to build of
3336 POSTINCREMENT_EXPR rather than a naked 'int'.
3338 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
3340 * ggc.h (ggc_push_context): Fix comment.
3341 (ggc_pop_context): Likewise.
3342 (mark_string_if_gcable): Likewise.
3343 * ggc-common.c (ggc_mark_rtx_children): Use
3344 ggc_mark_string_if_gcable.
3345 * ggc-page.c (ggc_lookup_page_table): New function.
3346 (ggc_allocated_p): Likewise.
3347 (mark_obj): Fix formatting.
3348 (ggc_mark_string_if_gcable): New function.
3349 * ggc-simple.c (ggc_allocated_strings): New variable.
3350 (ggc_strings_used): Likewise.
3351 (ggc_compare_addresses): New function.
3352 (ggc_pop_context): Pop the `any' memory too.
3353 (ggc_mark_string_if_gcable): New function.
3354 (ggc_collect): Initialize and tear down ggc_allocated_strings.
3356 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
3358 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
3359 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
3360 * rs6000.c (expand_block_move): Match movstrsi_?reg register
3363 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
3365 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
3366 (sched_reg_live_length, sched_reg_basic_block): Delete.
3367 (current_block_num, bb_live_regs, old_live_regs): Delete.
3368 (dead_notes, struct sometimes): Delete.
3369 (sched_note_set, birthing_insn_p): Delete.
3370 (adjust_priority): Gut useless reg lifetime code.
3371 (create_reg_dead_note, attach_deaths): Delete.
3372 (attach_deaths_insn, new_sometimes_live): Delete.
3373 (finish_sometimes_live): Delete.
3374 (find_pre_sched_live, find_post_sched_live): Delete.
3375 (update_reg_usage): Delete.
3376 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
3377 (schedule_insns): Delete reg lifetime code.
3378 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
3379 (unlink_other_notes): Adjust REG_NOTE commentary.
3380 (reemit_notes): Use REG_SAVE_NOTE.
3381 (schedule_block): Likewise.
3382 (schedule_region): Allocate bitmap of blocks in region. Use
3383 count_or_remove_death_notes. Use update_life_info.
3385 * rtl.h (REG_SAVE_NOTE): New.
3386 * rtl.c (reg_note_name): Update.
3388 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
3390 * combine.c (refresh_blocks, need_refresh): New.
3391 (combine_instructions): Allocate refresh_blocks. Invoke
3392 update_life_info if needed.
3393 (distribute_notes): Mark refresh_blocks instead of installing
3395 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
3396 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
3398 * Makefile.in (recog.o): Depend on basic-block.h.
3400 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
3402 * genrecog.c (add_to_sequence): Thinko last change: delete
3403 shadowing allow_const_int variable.
3405 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3407 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
3408 __GNUC__ and __GNUC_MINOR__.
3410 * gansidecl.h: Likewise.
3416 * toplev.h: Likewise.
3422 * varray.c: Likewise.
3424 * varray.h: Likewise.
3426 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3428 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
3429 use one before a jump table.
3431 * rtl.def (ADDRESS): Change documentation to match reality.
3432 * md.texi: Don't document it.
3433 * gmicro.md (load address pattern): Use 'p' constraint, delete use
3436 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
3438 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
3440 * genrecog.c (add_to_sequence): Move allow_const_int test outside
3441 known predicate block; default allow_const_int true.
3442 (debug_decision_list): New.
3444 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
3446 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
3448 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
3450 * gcse.c (gcse_main): Avoid global optimizations if we have a
3451 large number of basic blocks and the ratio of edges to blocks
3453 (delete_null_pointer_checks): Likewise.
3455 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
3457 * c-common.c (check_format_info): Warn if format string isn't a
3460 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
3462 * configure.in (arm*-*-*): Don't let autoconf remove brackets
3463 * configure: regenerate
3465 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
3467 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
3468 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
3469 (peepholes): Re-enable.
3471 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
3473 * Makefile.in (flow.o): Depend on TREE_H.
3474 * basic-block.h (REG_SET_EQUAL_P): New.
3477 (free_regset_vector): Remove declaration.
3478 (flow_delete_insn_chain): Declare.
3479 (enum update_life_extent): New.
3480 (update_life_info, count_or_remove_death_notes): Declare.
3481 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
3482 Verify register live at bb->global_live_at_start before adding USE.
3483 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
3484 (CLEAN_ALLOCA): New.
3486 (PROP_*): New flags.
3487 (find_basic_blocks_1): Use alloc_EXPR_LIST.
3488 (clear_edges): Zero n_edges.
3489 (make_edge): Increment n_edges.
3490 (split_edge): Don't allocate bb->local_set. Increment n_edges.
3491 (flow_delete_insn_chain): Export.
3492 (delete_block): Decrement n_edges.
3493 (merge_blocks_nomove): Likewise.
3494 (life_analysis): Give life_analysis_1 PROP flags.
3495 (verify_wide_reg_1, verify_wide_reg): New.
3496 (verify_local_live_at_start): New.
3497 (update_life_info): Rewrite to call into propogate_block.
3499 (mark_regs_live_at_end): After reload, if epilogue as rtl,
3500 always mark stack pointer. Conditionally mark PIC register.
3501 After reload, mark call-saved registers, return regsiters.
3502 (life_analysis_1): Accept PROP flags not remove_dead_code.
3503 Call mark_regs_live_at_end before zeroing regs_ever_live.
3504 Use calculate_global_regs_live. Copy global_live_at_end before
3505 calling final propagate_block. Zero reg_next_use on exit.
3506 (calculate_global_regs_live): New.
3507 (allocate_bb_life_data): Don't allocate bb->local_set.
3508 (init_regset_vector, free_regset_vector): Remove.
3509 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
3510 Test flags before every operation. Warn if prologue/epilogue insn
3511 would have been deleted.
3512 (mark_set_regs, mark_set_1): Accept and use FLAGS.
3513 Use alloc_EXPR_LIST.
3514 (mark_used_regs): Accept and use FLAGS, not FINAL.
3515 Remove special handling for RETURN.
3516 (try_pre_increment): Use alloc_EXPR_LIST.
3517 (dump_flow_info): Dump n_edges.
3518 (unlink_insn_chain, split_hard_reg_notes): Remove.
3519 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
3520 (find_insn_with_note, new_insn_dead_notes): Remove.
3521 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
3522 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
3523 (replace_insns): Remove.
3524 (count_or_remove_death_notes): New.
3525 (verify_flow_info): Abort on error after all checks.
3526 (remove_edge): Decrement n_edges.
3527 (remove_fake_edges): Tweek format.
3528 * haifa-sched.c (schedule_insns): Use split_all_insns.
3529 * output.h (update_life_info): Remove declaration.
3530 * recog.c (split_all_insns): From the corpse of split_block_insns,
3531 do the whole function block by block. Use update_life_info.
3532 (recog_last_allowed_insn): New.
3533 (recog_next_insn): Mind it.
3534 (peephole2_optimize): Set it. Walk backwards through blocks.
3535 Use update_life_info.
3536 * rtl.h (update_flow_info, replace_insns): Remove declarations.
3537 (split_all_insns): Declare.
3538 * toplev.c (rest_of_compilation): Thread prologue before flow2.
3539 Use split_all_insns.
3541 * i386.md (or -1 peep2s): Disable.
3543 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
3545 * config/mips/mips.md (movstrsi+[123]) : Combine these into
3546 a single pattern. Scrap the 'd' versions as unnecessary.
3548 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
3549 tablejump_mips162,tablejump_internal4): The operands to a
3550 label_ref must be VOIDmode.
3552 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3554 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
3556 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
3558 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
3560 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
3562 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
3563 cache every function if ggc_p.
3565 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3567 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
3568 instead of copy_rtx. Accept sequences that contain asm statements.
3569 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
3570 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
3571 orig_asm_operands_vector, copy_asm_operands_vector,
3572 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
3574 * rtl.h (copy_insn, copy_insn_1): Declare.
3576 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3578 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
3580 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
3581 arguments to `current_file_function_operand'.
3583 * genrecog.c: Include hard-reg-set.h and resource.h in the
3584 generated output file.
3586 * real.c: Include tm_p.h.
3588 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3590 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
3593 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
3595 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
3596 before the fctiwz insn.
3598 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3599 Mark Mitchell <mark@codesourcery.com>
3601 * tree.c (make_lang_type_fn): New funtion pointer.
3602 (make_lang_type): Call it.
3603 * tree.h (make_lang_type): Declare.
3604 (make_lang_type_fn): Likewise.
3605 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
3607 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
3609 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
3610 make sure that HIGH instructions are copied into BASE_REGS.
3612 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
3614 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
3616 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
3618 * c-decl.c (finish_struct): Use simpler method of
3619 removing elements of a singly-linked list.
3621 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
3623 * alpha.md (peephole2's): Comment out peephole2's that generate
3626 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
3628 * genrecog.c (add_to_sequence): Disable mode check for
3631 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3633 * ggc-simple.c (init_ggc): Set empty_string.
3635 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
3637 * configure.in: Detect mmap. Add --with-gc=foo to select
3638 garbage collector; default to page if mmap available.
3639 * Makefile.in (GGC): Substitute.
3641 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
3643 * c-decl.c (ggc_p): Enable.
3645 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3647 * flow.c (verify_flow_info): Make it extern & unconditionally define.
3649 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
3651 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
3652 string for little-endian-data.
3654 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
3656 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
3657 case somebody tries to compile --enable-checking code with gcc
3660 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
3662 * genrecog.c (add_to_sequence): Verify operand to label_ref is
3665 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
3667 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
3668 * jump.c (jump_optimize_1): Document why.
3670 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3672 * collect2.c (scan_prog_file, scan_libraries): Prototype function
3673 pointers and casts for `int_handler' and `quit_handler'.
3675 * flow.c (verify_flow_info, split_hard_reg_notes,
3676 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
3677 remove_edge, remove_fake_successors): Add static prototypes.
3678 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
3679 (mark_set_1): Initialize variable `regno'.
3680 (unlink_insn_chain): Likewise for variable `curr'.
3681 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
3683 * loop.c (strength_reduce): Initialize variable
3684 `unrolled_insn_copies'.
3685 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
3686 prototypes. Change these functions to take const PTR parameters
3687 to avoid prototype conflict when used as the comparson argument
3689 (check_dbra_loop): Initialize variable `comparison_val'.
3691 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
3692 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
3693 (find_valid_class): Initialize variable `best_class'.
3694 (find_reloads): Call memcpy, not bcopy.
3696 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
3697 (hard_reg_use_compare): Don't needlessly cast away const.
3698 (reload_reg_class_lower): Likewise.
3699 (choose_reload_regs): Initialize variable `regno'.
3701 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
3703 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
3705 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
3707 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
3708 ({,d}discard): Add forward declarations. Declare parameter as
3710 (main_without_main): Explicitly declare return type to be int.
3711 (memcpy): Properly declare.
3713 * libgcc2.c (toplevel): If inhibit_libc is defined and not
3714 building the trampoline support, declare malloc, free, and
3716 (__clear_cache): Mark arguments as potentially unused.
3718 * frame.c (toplevel): If inhibit_libc is defined, declare
3721 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
3723 * flow.c (make_edge): Accept an optional 2D bitmap in which
3724 to cache edge existence. Update all callers.
3725 (make_label_edge, make_eh_edge): Pass through the edge cache.
3726 (make_edges): Provide the cache.
3728 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3730 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
3732 (local_mbtowc): Change the type of variable `i' from int to size_t.
3734 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
3735 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
3737 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
3739 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
3740 after other includes that define the appropriate types. Include
3741 tm_p.h for getting user prototypes.
3742 * ggc-callbacks.c (toplevel): Ditto.
3743 * ggc-none.c (toplevel): Ditto.
3744 * gcc-page.c (toplevel): Ditto.
3745 * ggc-simple.c (toplevel): Ditto.
3747 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
3748 Jonathan Larmour <jlarmour@cygnus.co.uk>
3750 * config/mips/mips.c (mips_move_2words): Split doubles if
3751 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
3753 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
3755 * genrecog.c (struct decision_test): New.
3756 (struct decision): Remove test-related members, sort the rest by size.
3757 (IS_SPLIT): Simplify.
3758 (new_decision, new_decision_test): New.
3759 (add_to_sequence): Use them. No special handling for args of
3761 (maybe_both_true): Renamed from not_both_true; return sense changed.
3762 (maybe_both_true_1, maybe_both_true_2): New. Broken out
3763 of maybe_both_true and adjusted for decision_test.
3764 (position_merit): Remove.
3765 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
3766 (merge_accept_insn): New, broken out of merge_trees.
3767 (merge_trees): Use them. No special case for c_test; no node
3768 splitting; use test type instead of position_merit.
3769 (factor_tests): New.
3770 (simplify_tests): New.
3771 (break_out_subroutines): Don't write code now.
3772 (find_afterward): New.
3773 (write_afterward, write_switch, write_cond): New.
3774 (write_action, is_unconditional): New.
3775 (write_node): New. Use them.
3776 (write_tree_1): Rewrite. Use the new functions above.
3777 (write_tree): Remove afterward processing.
3778 (write_subroutine): Simplify function variant emission.
3779 (write_subroutines): New.
3780 (same_codes, clear_codes): Remove.
3781 (same_modes, clear_modes): Remove.
3782 (write_header): New, broken out of main.
3783 (make_insn_sequence): Use new_decision and new_decision_test.
3784 (process_tree): New, broken out of main.
3785 (main): Adjust for merge_trees interface change.
3786 Don't #define operands in the output file.
3787 (record_insn_name): New, broken out of make_insn_sequence.
3788 (debug_decision_2, debug_decision_1, debug_decision_0): New.
3789 (debug_decision): New.
3791 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
3793 * resource.c (find_free_register): Mark class_str argument const.
3794 * resource.h: Update prototype to match.
3796 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
3797 * i386.md: Give all anonymous insns names.
3799 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
3801 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
3804 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
3806 * toplev.c (dbr_sched_time): Unconditional.
3807 (peephole2_time): New.
3808 (compile_file): Add pass numbers to all of the dump file suffixes.
3809 Dump peephole2_time. Don't dump times for non-applicable passes.
3810 (rest_of_compilation): Add pass numbers to dump file suffixes.
3811 Conditionalize calls to the scheduler.
3812 * invoke.texi: Update.
3814 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
3816 * flow.c (make_edges): Fix insn iteration.
3817 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
3818 (find_basic_blocks_1): Fix spelling mistake.
3820 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
3822 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
3823 always have side-effects. Use memset not bzero.
3824 (make_node): Likewise.
3826 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
3828 * stmt.c (expand_anon_union_decl): When any of the elements of the
3829 union is addressable, so is the entire union.
3831 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
3833 * sbitmap.c (sbitmap_ones): Don't set too many bits.
3835 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
3836 * bitmap.c (bitmap_operation): Return true iff TO changed.
3837 (bitmap_equal_p): New.
3838 (bitmap_bit_p): Tidy arithmetic.
3839 (debug_bitmap_file): Likewise.
3841 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
3843 * toplev.c (rest_of_compilation): Turn on cse_not_expected
3844 before cse2 instead of after.
3846 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
3848 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
3851 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3853 * cppinit.c (is_idchar initializer): Loosen tests to accept
3856 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
3858 * mips.md: Define conditional move patterns for floating point
3859 operands and DI mode conditions.
3861 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
3863 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
3864 always have side-effects.
3866 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
3868 * mn10200.c (asm_file_start): Fix typo.
3870 * cppinit.c (is_idchar initializer): Tighten tests for when
3871 to put the table into initialized memory.
3873 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
3874 not an array of rtunion.
3875 * gcc-page.c (ggc_alloc_rtvec): Similarly.
3876 * gcc-simple (ggc_free_rtvec): Similarly.
3878 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
3881 * mbchar.h: Add missing #endif.
3883 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
3884 (FPBIT, DPBIT): Define.
3886 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3888 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
3890 * profile.c (instrument_arcs, output_gcov_string,
3891 tablejump_entry_p): Add static prototypes.
3892 (output_gcov_string): Constify a char*.
3894 * regmove.c (replacement_quality, fixup_match_2): Add static
3897 * resource.h (reg_dead_p): Add extern prototype.
3899 * rtl.c (trim_filename): Add static prototype.
3901 * scan-decls.c (skip_to_closing_brace): Likewise.
3903 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
3904 (expand_end_case): Initialize variable `range'.
3905 (emit_case_nodes): Remove unused prototype `rtx_fn'.
3907 * varasm.c (asm_emit_uninitialised): Add static prototype.
3908 (asm_emit_uninitialised, assemble_variable): Mark parameter with
3911 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3913 * cpplib.c (if_directive_nameo): Add static prototype.
3915 * cse.c (cse_insn): Remove unused variable `p'.
3917 * except.c (create_rethrow_ref, push_entry,
3918 receive_exception_label, new_eh_region_entry, find_func_region,
3919 clear_function_eh_region, process_nestinfo): Add static prototypes.
3920 (get_reg_for_handler): Hide definition.
3921 (process_nestinfo): Initialize variable `extra_handlers'.
3923 * expr.h (expand_builtin_longjmp): Add extern prototype.
3925 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
3927 * function.c (prepare_function_start): Likewise.
3928 (pop_function_context_from): Mark parameter `context' with
3930 (push_temp_slots_for_block, flush_addressof): Hide definition.
3932 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
3933 solve_program_flow_graph, calculate_branch_probs,
3934 function_summary, main, fancy_abort): Add prototypes.
3936 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
3937 (add_hash): Constify a char*.
3939 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
3940 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
3941 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
3943 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
3945 * lists.c (free_list, zap_lists): Likewise.
3947 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3949 * alias.c (nonlocal_reference_p): Add static prototype.
3951 * bitmap.c (bitmap_element_allocate): Prototype args in function
3954 * builtins.c (stabilize_va_list): Add static prototype.
3955 (expand_builtin_va_arg): Constify a char*.
3957 * c-lex.c (getch, put_back, extend_token_buffer_to,
3958 read_line_number, token_getch, token_put_back): Add static
3961 * c-parse.gperf (hash, is_reserved_word): Likewise.
3963 * cccp.c (is_dir_separator): Likewise.
3965 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3967 * graph.h: New file to prototype functions exported by graph.c.
3969 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
3971 * graph.c: Include graph.h.
3973 * toplev.c: Likewise. Remove redundant prototypes.
3975 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
3977 * invoke.texi: Removed duplicated description for -Q.
3979 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
3981 * extend.texi: Grammar fix in __extension__ text.
3983 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
3985 * md.texi (define_peephole2): New section.
3987 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
3989 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
3990 (mov $-1 to or peepholer): Enable for pentium when optimizing for
3993 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
3995 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
3997 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
3999 * i386.md (ffs expander): Emit Pentium friendly code for
4002 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
4004 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
4008 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4010 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
4012 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
4014 * config/m68k/m68k.c (use_return_insn): Return false if the pic
4017 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4019 * md.texi (No Constraints): Delete section.
4020 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
4021 * final.c (final_scan_insn): We always have register constraints.
4022 * genattrtab.c: Don't include "insn-config.h".
4023 (write_attr_case): We always have register constraints.
4024 * genconfig.c (register_constraint_flag): Delete.
4025 (walk_insn_part): Don't check whether we have register constraints.
4026 (main): Don't write out "#define REGISTER_CONSTRAINTS".
4027 * genoutput.c (have_constraints): Delete.
4028 (main): Don't set it.
4029 (output_operand_data): We always have constraints.
4030 (scan_operands): Likewise.
4031 (compare_operands): Likewise.
4032 * local-alloc.c (block_alloc): We always have constraints.
4033 (requires_inout): Always compile this function.
4034 * recog.c (extract_insn): We always have constraints.
4035 (constrain_operands, reg_fits_class_p): Always compile these
4037 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
4039 (struct insn_operand_data): Likewise.
4040 * regclass.c (regclass): We always have constraints.
4041 (record_reg_classes, copy_cost, record_address_regs,
4042 auto_inc_dec_reg_p): Always compile these functions.
4043 * regmove.c (regmove_optimize): We always have constraints.
4044 * reload.c (find_reloads): Likewise.
4045 * reload1.c (reload): Likewise.
4046 (reload_cse_simplify_operands): Likewise.
4047 * i860.c (output_delay_insn): Likewise.
4049 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
4051 * iris6.h (BUILD_VA_LIST_TYPE): Define.
4053 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4055 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
4056 for the va_list record.
4058 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
4060 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
4063 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
4065 * alias.c: Include insn-flags.h.
4066 * Makefile.in (alias.o): Update.
4068 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
4070 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
4071 to LTU and GEU. Handle more cases using sbb.
4073 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
4075 * i386.md (truncatexfdf splitters): Do not use subreg.
4076 (fop XFmode patterns): Fix mode in operand testing.
4078 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
4080 * jump.c (jump_optimize_1): Amend last change to test only the
4081 form of the operand, not the insn.
4083 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
4084 not register_operand to determine when B may need preloading.
4086 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
4088 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
4089 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
4090 (call-value patterns): Move to end of file.
4091 (*): Remove mode from label_ref in (pc) context.
4092 (movstrqi): Use memory not general_operand for BLKmode operands.
4093 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
4094 to register_operand operands.
4095 (peep2 patterns): Convert from commented-out peephole patterns.
4097 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4099 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
4100 to BUILT_IN_INIT_DWARF_REG_SIZES.
4101 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
4102 Renamed from BUILT_IN_DWARF_REG_SIZE; call
4103 expand_builtin_init_dwarf_reg_sizes.
4104 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
4105 with __builtin_init_dwarf_reg_size_table.
4106 * dwarf2out.c (struct reg_size_range): Delete.
4107 (expand_builtin_init_dwarf_reg_sizes): New function.
4108 (expand_builtin_dwarf_reg_size): Delete.
4109 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
4110 (expand_builtin_dwarf_reg_size): Don't declare.
4111 * libgcc2.c (dwarf_reg_size_table_initialized): New.
4112 (dwarf_reg_size_table): New.
4113 (init_reg_size_table): New function.
4114 (copy_reg): Use dwarf_reg_size_table.
4115 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
4118 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
4120 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
4121 Correctly build argument list to constructor and destructor functions.
4123 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
4125 * c-tree.h (warn_float_equal): Declare.
4126 * c-decl.c (warn_float_equal): Define.
4127 (c_decode_option): Recognize -W[no-]float-equal.
4128 * c-typeck.c (build_binary_op): Conditionally warn
4129 about equality tests of floating point types.
4130 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
4131 * invoke.texi: Add docs for -Wfloat-equal warning.
4133 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
4135 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
4136 generating RTL directly.
4137 * mips.h (INIT_TARGET_OPTABS): Likewise.
4138 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
4140 * expr.h (init_mov_optab): Delete declaration
4142 * h8300.c (WORD_REG_USED): Update to avoid useless register
4143 saves in interrupt functions and functions which never return.
4145 * cse.c (struct set): Delete inner_dest_loc field.
4146 (cse_insn): Remove assignments to inner_dest_loc field.
4148 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
4150 * ggc-page.c: Don't include <unistd.h> etc taken care of
4151 by "system.h". Include <sys/mman.h> afterward.
4153 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
4155 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
4158 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
4160 * xcoffout.c (xcoffout_declare_function): Add documentation.
4161 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
4162 TARGET_64BIT. Compare constant to -1, not bit pattern.
4163 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
4164 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
4167 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
4169 * dwarf2out.c (add_abstract_origin_attribute): Abort if
4171 (gen_inlined_enumeration_type_die): Do not abort if the type has
4172 not been writeen out.
4173 (gen_inlined_structure_type_die): Do not abort if the type has
4174 not been writeen out.
4175 (gen_inlined_union_type_die): Do not abort if the type has
4176 not been writeen out.
4177 (gen_tagged_type_instantiation_die): Do not abort if the type
4178 has not been written out.
4180 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4182 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
4184 * reg-stack.c (straighten_stack): Copy hard reg set with
4187 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
4189 * builtins.c (stabilize_va_list): Stabilize array type va_list
4190 to a pointer type, not the base record type.
4191 (expand_builtin_va_copy): Dereference the pointers explicitly;
4192 use the correct size for the copy.
4194 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
4195 (rs6000_va_arg): Likewise.
4197 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
4199 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
4201 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
4203 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
4205 (DECL_BUILT_IN_CLASS): Adjust accordingly.
4207 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
4209 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
4210 (init_ggc): Use it instead of a constant.
4211 (ggc_collect): Bound allocated_last_gc by it.
4213 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
4215 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
4218 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
4220 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
4221 (mips*-*-openbsd*): Let big endian configuration be a fragment.
4223 * config/mips/openbsd.h: New, OpenBSD little endian target.
4224 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
4225 * config/mips/xm-openbsd.h: New, OpenBSD host.
4227 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
4229 * config/m68k/m68k.c (output_function_prologue,
4230 output_function_epilogue): Use
4231 current_function_uses_pic_offset_table instead of regs_ever_live
4232 to decide whether to save/restore pic register.
4233 (legitimize_pic_address): Don't modify regs_ever_live any more.
4235 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
4237 * function.h (struct function): Add x_dont_save_pending_sizes_p.
4238 * stor-layout.c (variable_size): Don't add sizes to the pending
4239 sizes list if x_dont_save_pending_sizes_p is set.
4241 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
4243 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
4244 for symbolic_operand().
4245 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
4247 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4249 * combine.c (gen_rtx_combine): Add missing call to va_end().
4251 * final.c (asm_fprintf): Likewise.
4253 * genattrtab.c (attr_rtx): Likewise.
4255 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
4257 * cse.c: Update comments.
4258 (cse_insn): When converting a conditional/computed jump into
4259 an unconditional jump, always make sure a BARRIER immediately
4260 follows the converted jump. Do not delete unreachable code.
4261 (cse_basic_block): Do not delete unreachable code.
4262 * toplev.c (rest_of_compilation): Move call to
4263 delete_trivially_dead_insns after the conditional call to
4266 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4268 * collect2.c (make_temp_file): Don't prototype.
4270 * gcc.c (make_temp_file): Likewise.
4272 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
4274 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
4276 * varasm.c (asm_emit_uninitialised): New function: Generate
4277 the assembler statements necessary to declare an uninitialised
4279 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
4281 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
4282 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
4284 (assemble_variable): Use asm_emit_uninitialised to emit an
4285 uninitialised variable.
4287 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
4289 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
4290 constant on a 64 bit host. Patch supplied by Geoffrey Keating
4291 <geoffk@cygnus.com>.
4293 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4295 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
4296 * c-common.h (builtin_function): Don't declare.
4298 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
4300 (pushdecl): Likewise.
4301 (finish_decl): Likewise.
4302 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
4303 int. All callers changed.
4304 Set the builtin's DECL_BUILT_IN_CLASS.
4305 * tree.h (enum built_in_class): New.
4306 (enum built_in_function): Delete NOT_BUILT_IN.
4307 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
4309 (DECL_SET_FUNCTION_CODE): Likewise.
4310 (DECL_BUILT_IN_CLASS): New macro.
4311 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
4312 (struct tree_decl): Split builtin function code field into a
4314 (builtin_function): Declare.
4316 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
4318 * optabs.c (init_traps): Fix typo in last change.
4320 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
4322 * toplev.c (rest_of_decl_compilation): Update comment.
4324 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
4326 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
4327 in .sbss if appropriate.
4328 (EXTRA_SECTION_FUNCTIONS): Add sbss.
4329 (SBSS_SECTION_ASM_OP): New macro.
4330 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
4331 (EXTRA_SECTIONS): Add in_sbss.
4332 * config/mips/mips.h: Prototype sbss_section.
4334 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
4336 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
4339 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
4341 * optabs.c (init_traps): Register trap_rtx as a GC root.
4343 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4345 * config/mips/mips.c (function_arg_pass_by_reference): Define
4346 unconditionally, since it's called unconditionally.
4348 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
4350 * toplev.c (documented_lang_options): Add -fshort-wchar.
4351 * c-decl.c (c_decode_option): Likewise.
4352 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
4354 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
4355 * gcc.c (default_compilers): If -fshort-wchar,
4356 override __WCHAR_TYPE__.
4357 * tm.texi (C Dialect Options): Add -fshort-wchar.
4359 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
4360 symbol for a variable.
4362 * cpplib.h (CPP_PREPROCESSED): New macro.
4363 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
4364 we're seeing this input for a second time.
4366 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
4368 * emit-rtl.c (init_emit_once): Initialize modes first.
4370 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
4372 * config/i386/i386.c (pic_label_name): Change to char pointer.
4373 (global_offset_table): New variable.
4374 (load_pic_register): Fill global_offset_table if it hasn't
4375 already been done. Allocate pic_label_name dynamically.
4376 * ggc.h (empty_string): New variable.
4377 * ggc-simple.c (empty_string): Likewise.
4378 (init_ggc): Allocate empty_string and add as root.
4379 * stmt.c (digit_strings): New variable.
4380 (init_stmt): Add last_block_end_note as root. Allocate and
4381 initialize digit_strings.
4382 (expand_asm_operands): Use empty_string instead of string
4383 constant. Use digit_strings instead of string constants.
4384 * profile.c (init_arc_profiler): Allocate string with
4385 ggc_alloc_string instead of xmalloc.
4386 (output_func_start_profiler): Likewise.
4387 * c-typeck.c (digest_init): Check if init is error_mark_node.
4389 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
4390 Richard Henderson <rth@cygnus.com>
4392 * ggc-page.c: New file.
4393 * Makefile.in (ggc-page.o): New.
4395 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
4397 * invoke.texi: Document -fdelete-null-pointer-checks
4398 * toplev.c (flag_delete_null_pointer_checks): New.
4399 (f_options): Add entry for -fdelete-null-pointer-checks.
4400 (rest_of_compilation): Conditionalize null pointer check
4401 elimination on flag_delete_null_pointer_checks.
4402 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
4404 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
4406 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
4407 copyright notice and special exception to GPL.
4409 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4411 * abi64.h (mips_function_value): Add prototype arguments.
4413 * mips-protos.h: New file with mips prototypes.
4415 * mips.c: Include "tm_p.h".
4416 (mktemp, lookup_name): Add prototype arguments.
4417 (extern_list, string_constant, mips_fill_delay_slot,
4418 mips_output_external, mips_output_external_libcall,
4419 mips_output_filename, mips_declare_object, function_prologue,
4420 mips_expand_prologue, function_epilogue, mips16_constant,
4421 build_mips16_function_stub, mips_output_conditional_branch):
4423 (mips_va_start): Remove unused variable `u'.
4424 (mips_va_arg): Cast value to unsigned when comparing against one.
4426 (save_restore_insns, mips_expand_prologue): Add missing arg in
4427 call to `large_int'.
4429 * mips.h: Move prototypes to mips-protos.h.
4430 (data_section, memory_address_p, rdata_section,
4431 readonly_data_section, simple_epilogue_p, text_section): Delete
4432 prototypes delcared elsewhere.
4433 (mips_epilogue_delay_slots, print_options): Delete unused decls.
4435 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
4437 * mips.md: Delete extra args in call to `mips_move_2words'.
4439 * xm-iris6.h (alloca): Add prototype argument.
4441 * genpeep.c: Include "tm_p.h" in generated output file.
4443 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
4445 * basic-block.h (find_edge_index): Change parameters.
4446 * flow.c (verify_edge_list): Pass basic_block parameters to
4447 find_edge_index instead of integers.
4449 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
4451 * combine.c (simplify_comparison): Use an unsigned shift to adjust
4454 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
4456 * gcc.1: Fix a formatting error.
4458 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4460 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
4461 i786, mn10200, mn10300, pdp11, v850.
4463 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
4465 * libgcc2.c (num_digits): Add prototype with
4466 __attribute__((const)).
4467 (__terminate): Add prototype.
4469 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
4471 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
4473 * alpha/alpha.c (print_operand): Fix type of `code'.
4474 (alpha_output_filename): Constify.
4475 * alpha/alpha.h: Move all function declarations ...
4476 * alpha/alpha-protos.h: ... here. New file.
4477 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
4478 (SECTION_FUNCTION_TEMPLATE): Likewise.
4480 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4482 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
4483 * expr.c (expand_expr): Likewise.
4484 (do_jump): Likewise.
4485 (do_store_flag): Pass ccp_store_flag to can_compare_p.
4486 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
4488 (enum can_compare_purpose): New.
4489 (can_compare_p): Adjust prototype.
4490 (prepare_cmp_insn, prepare_operand): Declare.
4491 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
4492 * optabs.c (cmp_available_p): Deleted.
4493 (expand_abs): Pass ccp_jump to can_compare_p.
4494 (can_compare_p): New arg PURPOSE. Check for combined optabs.
4495 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
4496 Call can_compare_p rather than cmp_available_p.
4497 (prepare_operand): No longer static.
4498 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
4499 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
4500 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
4501 sequence to use emit_cmp_and_jump_insns.
4502 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
4504 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
4506 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
4507 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
4508 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
4509 (plus (reg) (const_int 0))
4510 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
4512 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
4514 * rs6000.c (expand_block_move): DImode loads and stores require
4515 word-aligned displacements. Increment address registers with
4516 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
4518 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
4520 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
4521 is no name for the base type, rather than segfault. If we are
4522 writing out a complex integer type, use DW_ATE_lo_user.
4524 * expr.c (emit_move_insn_1): If we are copying a complex that fits
4525 in one word or less (complex char, complex short, or on 64 bit
4526 systems complex float) to/from a hard register, copy it through
4527 memory instead of dying in gen_{real,imag}part. If we have a
4528 short complex type, prevent inlining since it allocates stack
4531 * tree.c (build_complex_type): If we are writing dwarf2 output,
4532 generate a name for complex integer types.
4534 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
4536 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
4537 * flow.c (remove_edge): Remove extra whitespace.
4538 (remove_fake_edges): Fix comment.
4539 (add_noreturn_fake_exit_edges): Use the correct name.
4541 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
4543 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
4544 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
4545 (clean): Depend on INTL_CLEAN.
4546 (maintainer-clean): Adjust.
4548 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4550 * configure.in (AC_PREREQ): Bump to 2.13.
4551 (AC_C_STRINGIZE): Call this instead of using a custom macro.
4553 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
4555 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
4557 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
4559 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
4560 (HAVE_STRINGIZE): Define.
4562 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
4564 * c-parse.in: save and restore warn_pointer_arith on __extension__
4565 along with pedantic.
4566 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
4567 Set the type of extension to itype rather than $<itype>1 kludge.
4568 * extend.texi (Alternate Keywords): Adjust documentation.
4569 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
4571 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
4573 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
4574 most assembler templates.
4576 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
4577 FP loads and stores.
4578 (following_call): Always return zero for the PA8000.
4579 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
4580 FP loads and stores.
4581 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
4583 * pa.h (BRANCH_COST): Define.
4585 * pa.md (return, return_internal): Use bve for PA2.0.
4587 * pa.md (fused multiply): Add variants which reduce height for the
4588 fused multiply, but which still generate 2 insns.
4589 (fnegabs): Similarly.
4591 * pa.md (subsi3): Turn into an expander. Create two anonymous
4592 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
4593 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
4595 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
4597 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
4599 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
4600 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
4602 * regclass.c (init_regs): Add "top_of_stack" as a garbage
4605 * flow.c (record_active_eh_regions): Terminate loop after finding
4606 the last insn in the last basic block.
4608 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4610 * config/c4x/c4x.md: Delete parallel instruction peepholes.
4612 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4614 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
4616 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4618 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
4619 splitting to not use output template.
4621 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4623 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
4624 * config/c4x/c4x.c (c4x_va_start): New function.
4626 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
4628 * genrecog.c (not_both_true): Handle correctly cases when called for
4629 tests with different positions in the insn.
4631 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4633 * machmode.h (HOST_PTR_PRINTF): Move from here ...
4635 * system.h (HOST_PTR_PRINTF): ... to here.
4637 * mips-tfile.c: Don't include machmode.h.
4639 * Makefile.in (MACHMODE_H): New variable. Update to use it.
4640 (mips-tfile.o): Don't depend on machmode.h.
4642 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4644 * haifa-sched.c (sched_analyze): Rename local variable `region' to
4645 avoid conflicts with typedef struct `region' at the top level scope.
4647 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
4649 * basic-block.h (basic_block): Add eh_beg, eh_end.
4650 * flow.c (entry_exit_blocks): Update.
4651 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
4653 (find_basic_blocks_1): Don't record eh_list at each bb. Use
4654 lists.c functions to allocate insn lists.
4655 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
4657 (make_eh_edge): ... here. New.
4658 (move_stray_eh_region_notes): New.
4659 (record_active_eh_regions): New.
4660 (delete_unreachable_blocks): Split out block merging ...
4661 (try_merge_blocks): ... here. New.
4662 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
4663 Dump debugging data.
4664 (merge_blocks_move_successor_nojumps): Likewise.
4665 (merge_blocks): Use eh_beg+eh_end to validate block movement.
4667 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4669 * extend.texi (Bound member functions): Document unbound pmf
4672 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
4674 * flow.c (split_edge): Handle insertion on a fallthrough edge which
4675 has the EXIT_BLOCK as a dest.
4677 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
4679 * flow.c (remove_edge): New function to remove an edge from the
4681 (remove_fake_successors): New function to remove fake successor edges.
4682 (remove_fake_edges): New function to remove all fake edges from the
4684 (add_fake_exit_edges): New function to add fake edges from all blocks
4685 with no successors to the exit block.
4686 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
4687 prototypes for new functions.
4689 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
4691 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
4692 Use Pmode to determine whether to output .dword or .word.
4694 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
4696 * tree.c (built_in_filename): New variable.
4697 (BUILT_IN_FILENAME): New macro.
4698 (init_tree_codes): Allocate built_in_filename.
4699 (make_node): Use built_in_filename instead of string constant.
4701 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
4703 * configure.in: Add fr30 target.
4704 * configure: Regenerate.
4705 * config/fr30: New directory.
4706 * config/fr30/crti.asm: New file.
4707 * config/fr30/fr30.c: New file.
4708 * config/fr30/crtn.asm: New file.
4709 * config/fr30/fr30.h: New file.
4710 * config/fr30/fr30.md: New file.
4711 * config/fr30/lib1funcs.asm: New file.
4712 * config/fr30/t-fr30: New file.
4713 * config/fr30/xm-fr30.h: New file.
4715 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
4717 * flow.c (merge_blocks_move_successor_nojumps): Delete the
4718 BARRIER at the end of the successor, not the BARRIER before
4721 * pa.c (pa_add_gc_roots): Fix thinko in last change.
4723 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
4725 * stmt.c (any_pending_cleanups): Don't crash when
4726 current_function->stmt is unset.
4728 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4730 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
4731 other initializations that may use it for relative offsets.
4733 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4735 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
4736 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
4737 * config/i386/sol2dbg.h: Removed.
4738 * config/i386/sol2gas.h: New file, to enable gas work-around.
4739 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
4740 Don't use sol2dbg.h.
4741 * configure: Rebuilt.
4743 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
4745 * invoke.texi (-fthis-is-variable): Remove documentation.
4747 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
4749 * basic-block.h (compute_bb_for_insn): Declare.
4750 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
4751 to use; set size of basic_block_for_insn directly.
4752 (find_basic_blocks): Update.
4754 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4756 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
4758 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4760 * crtstuff.c (ON_EXIT): Delete empty macro definition.
4761 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
4763 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
4765 * c-decl.c (c_decode_option): Extend comment.
4767 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
4769 * toplev.c (progname): Make 'const char *'
4770 (flag_print_mem): Move out of main.
4771 (version_flag): Move out of main.
4772 (filename): Move out of main.
4773 (debug_args): Remove g prefix from options.
4774 (documented_lang_options): Remove cpplib specific options.
4775 (display_help): Add g prefix to debug options.
4776 (check_lang_option): Delete this function.
4777 (decode_d_option): New function: Decode -d... option.
4778 (decode_f_option): New function: Decode -f... option.
4779 (decode_W_option): New function: Decode -W... option.
4780 (decode_g_option): New function: Decode -g... option.
4781 (independent_decode_option): New function: Decode a language
4782 independent command line option.
4783 (main): Invoke lang_decode_option and then
4784 independent_decode_option on each command line option in
4787 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
4789 Revert this change. Gavin's patch to operand_equal_p is a better fix.
4790 * fold-const.c (fold_range_test): Do not try to fold the range
4791 test if the rhs or lhs has side effects.
4793 * basic-block.h (compute_flow_dominators): Declare.
4795 * gcse.c (alloc_code_hoist_mem): New function.
4796 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
4797 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
4798 (hoist_code, one_code_hoisting_pass): Likewise.
4799 (gcse_main): If optimizing for size, then hoist expressions
4800 computed in multiple dominated basic blocks.
4802 * gcse.c (invalid_nonnull_info): New function.
4803 (delete_null_pointer_checks): Likewise.
4804 * rtl.h (delete_null_pointer_checks): Declare.
4805 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
4807 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
4808 (merge-blocks_move_successor_nojumps): Likewise.
4809 (merge_blocks): Allow merging of some blocks, even if it requires
4810 physical movement of the blocks, but not if it requires new jumps.
4812 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
4813 Callers and prototype changed.
4814 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
4816 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4818 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
4819 -YP when both -p and -pg are present. From i386/sol2.h.
4821 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4823 * Makefile.in (distclean): Delete tm_p.h.
4824 * configure.in: Create a new file, "tm_p.h", from a list in
4825 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
4826 "i386/i386-protos.h".
4828 * alias.c: Include "tm_p.h".
4829 * c-typeck.c: Likewise.
4830 * calls.c: Likewise.
4832 * emit-rtl.c: Likewise.
4833 * explow.c: Likewise.
4834 * expmed.c: Likewise.
4836 * final.c: Likewise.
4838 * fold-const.c: Likewise.
4839 * function.c: Likewise.
4841 * global.c: Likewise.
4842 * haifa-sched.c: Likewise.
4843 * integrate.c: Likewise.
4845 * local-alloc.c: Likewise.
4847 * optabs.c: Likewise.
4848 * recog.c: Likewise.
4849 * reg-stack.c: Likewise.
4850 * regclass.c: Likewise.
4851 * regmove.c: Likewise.
4852 * reload.c: Likewise.
4853 * reload1.c: Likewise.
4854 * reorg.c: Likewise.
4855 * resource.c: Likewise.
4857 * stor-layout.c: Likewise.
4858 * toplev.c: Likewise.
4860 * unroll.c: Likewise.
4861 * genattrtab.c (main): Make generated file include "tm_p.h".
4862 * genemit.c (main): Likewise.
4863 * genoutput.c (main): Likewise.
4864 * genrecog.c (main): Likewise.
4866 * i386.h: Delete all prototypes.
4867 * i386.c: Include "tm_p.h".
4868 (ix86_attr_length_default): Call constant_call_address_operand
4869 with correct number of arguments.
4870 * i386-protos.h: New file.
4871 * i386.md (unnamed patterns): Call constant_call_address_operand
4872 with correct number of arguments.
4873 (exception_receiver): Call load_pic_register with correct number
4876 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
4878 * c-pragma.c (mark_align_stack): Dereference the void* properly.
4880 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
4882 * rtl.h (insns_safe_to_move_p): New function.
4883 * loop.c (find_and_verify_loops): Use it.
4884 * rtlanal.c (insns_safe_to_move_p): Define it.
4886 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
4888 * c-pragma.c: Include ggc.h.
4889 * Makefile.in (c-pragma.o): Update.
4891 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4893 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
4894 (LIB_SPEC): Likewise.
4895 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
4896 Reindent -YP/-p/-pg.
4897 Copied from config/sparc/sol2.h.
4899 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
4901 * c-pragma.c (mark_align_stack): New.
4903 * c-pragma.h (init_pragma): Declare it.
4904 * c-lex.c (init_parse): Call it.
4906 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4908 * configure.in: Pick up thread library on Solaris/x86 just
4909 like on Solaris/sparc.
4910 * configure: Rebuilt.
4912 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
4914 * rtl.h (global_rtx_index): New enum.
4915 (global_rtl): Change to array of rtx.
4916 (pc_rtx, cc0_rtx): Redefine accordingly.
4917 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
4918 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
4919 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
4920 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
4921 (const_int_rtx): Change to array of rtx.
4922 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
4924 * emit-rtl.c (global_rtl): Change to array of rtx.
4925 (const_int_rtx): Change to aray of rtx.
4926 (gen_rtx_CONST_INT): Redefine accordingly.
4927 (init_emit_once): Allocate and initialize global_rtl. Likewise
4928 for const_int_rtx. Add both as GC roots.
4929 * genattrtab.c (global_rtl): Update declaration.
4931 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
4933 * Makefile (USER_H): Add iso646.h back.
4935 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
4937 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
4938 zapping the LOG_LINKS of sched_before_next_call.
4940 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
4941 * pa.c (insn_refs_are_delayed): Renamed from
4942 insn_sets_and_refs_are_delayed.
4944 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
4946 * functiion.h (struct function): Add x_whole_function_mode_p.
4947 (retrofit_block): Declare.
4948 * function.c (retrofit_block): New function.
4949 (identify_blocks): Add assertions. Allow an incomplete set of
4950 block notes if we're still generating code for the function.
4951 * integrate.c: Include loop.h.
4952 (expand_inline_function): Call find_loop_tree_blocks to map block
4953 notes to blocks when in whole-function mode. Use retrofit_block
4954 to insert new BLOCKs for the inlined function, rather than
4956 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
4957 * Makefile.in (integrate.o): Depend on loop.h.
4959 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
4961 * tree.h (warn_about_unused_variables): Declare.
4962 * stmt.c (warn_about_unused_variables): New function, split out
4964 (expand_end_bindings): Here.
4966 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
4968 * stmt.c (preserve_subexpressions_p): Don't crash when
4969 current_function->stmt is unset.
4971 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
4973 * stmt.c (expand_start_bindings): Allow callers to pass a flag
4974 indicating that no NOTE_INSN_BLOCK_BEG note is required.
4975 (expand_start_target_temps): Use it.
4976 * except.c (expand_eh_region_start_for_decl): Likewise.
4977 * expr.c (expand_expr): Likewise.
4979 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
4981 * fold-const.c (operand_equal_p): Pay attention to side effects.
4983 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
4985 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
4986 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
4988 * tlink.c (scan_linker_output): Look for keywords before accepting
4989 a mangled name in quotes.
4991 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
4993 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
4994 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
4996 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
4998 * alpha.md: Revert Thu Nov 26 change that came in through the
4999 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
5000 Avoid earlyclobber when possible.
5002 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5004 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
5006 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
5007 Define HAVE_ON_EXIT.
5009 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5011 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
5012 CTYPE_CONV in all ctype macros.
5014 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
5017 * cexp.y (initialize_random_junk): Likewise.
5019 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
5021 * i370.c (handle_pragma): Likewise.
5023 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
5025 * v850.c (override_options): Likewise.
5027 * doprint.c (_doprnt): Likewise.
5029 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
5032 * fixinc/server.c (load_data): Likewise.
5034 * fold-const.c (real_hex_to_f): Likewise.
5036 * genattr.c (write_upcase, gen_attr): Likewise.
5038 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
5039 write_upcase): Likewise.
5041 * genemit.c (print_code): Likewise.
5043 * genopinit.c (gen_insn): Likewise.
5045 * genpeep.c (print_code): Likewise.
5047 * genrecog.c (print_code): Likewise.
5049 * optabs.c (init_libfuncs): Likewise.
5051 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
5053 * haifa-sched.c (sched_analyze): Keep the list of notes organized
5055 (reemit_notes): Likewise.
5057 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
5059 * ggc.h (ggc_root): Move to ggc-common.c.
5061 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
5062 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
5063 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
5064 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
5065 * ggc-common.c (ggc_root): Move from ggc.h.
5066 (roots): Declare, static.
5067 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
5068 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
5069 null or check/set mark bit.
5070 (ggc_mark_roots): New.
5071 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
5073 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
5075 * m32r.c: Include toplev.h.
5076 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
5077 (gen_compare): Rename swap_p to must_swap to match uses.
5078 Add default abort case.
5079 (m32r_output_function_epilogue): Remove unused variables.
5080 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
5081 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
5082 define to empty parameter list. Update all uses.
5083 (predicate decls): Use enum machine_mode not int.
5084 * m32r.md (movsi): Call abort, not fatal_insn.
5085 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
5087 1999-09-14 Andrew Haley <aph@cygnus.com>
5089 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
5090 use $0 instead of 0.
5092 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5094 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
5095 computation out of loop over hard regs.
5097 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
5099 * function.c (identify_blocks): Don't shadow a variable in an
5101 * integrate.c (integrate_decl_tree): Don't use pushlevel,
5102 pushdecl, or poplevel to build up the new BLOCK tree.
5103 (expand_inline_function): Likewise.
5104 (integrate_parm_decls): Likewise.
5106 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
5108 * c-typeck.c (qualify_type): Merge qualifiers from both types.
5110 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
5112 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
5113 * invoke.texi: Document this change.
5115 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
5117 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
5119 (mark_emit_status): Renamed from mark_emit_state.
5120 * except.c (mark_eh_status): Renamed from mark_eh_state.
5121 Check not null before marking.
5122 (free_eh_status): New.
5123 * expr.c (mark_expr_status, free_expr_status): New.
5124 * function.c (free_machine_status): New.
5125 (free_after_parsing): New.
5126 (free_after_compilation): Move bits to free_after_parsing; call
5127 free_eh_status, free_expr_status; zero the marked members of the
5129 (prepare_function_start): No can_garbage_collect.
5130 Call init_eh_for_function.
5131 (expand_dummy_function_end): Free up current_function state.
5132 (mark_function_status): Renamed from mark_function_state.
5133 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
5134 * function.h (struct function): No can_garbage_collect.
5135 (free_machine_status, free_after_parsing): Declare.
5136 (free_eh_status, free_expr_status): Declare.
5137 * ggc.h (mark_expr_status): Declare.
5138 * stmt.c (free_stmt_status): Free the struct.
5139 (mark_stmt_status): Renamed from mark_stmt_state.
5140 (init_stmt): Don't call init_eh.
5141 (init_stmt_for_function): Don't call init_eh_for_function.
5142 * toplev.c (compile_file): Call init_eh.
5143 (rest_of_compilation): Free basic block info before ggc_collect.
5144 Call free_after_parsing; conditionally call free_after_compilation.
5145 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
5146 Check not null before marking.
5147 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
5149 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
5151 * c-lex.c (yylex): Initialize warn.
5153 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
5155 * pa.c (emit_move_sequence): Properly set the mode of the scratch
5156 register when performing secondary reloads for the SAR register.
5158 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
5160 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
5161 (NOTE_BLOCK): New macro.
5162 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
5163 * function.h (identify_blocks): Change prototype.
5164 * function.c (identify_blocks): Simplify.
5165 (reorder_blocks): Likewise.
5166 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
5167 NOTE_INSN_BLOCK_{BEG,END}.
5168 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
5169 the list of saved notes if the note isn't a
5170 NOTE_INSN_BLOCK_{BEG,END}.
5171 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
5173 (reemit_notes): Adjust recreation of notes to reflect new saved
5175 * print-rtl.c (print_rtx): Print the address of the BLOCK when
5176 printing a block note.
5177 * stmt.c (block_vector): Remove.
5178 (find_loop_tree_blocks): Simplify.
5179 (unroll_block_trees): Likewise.
5180 * tree.h (reorder_block): Change prototype.
5182 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
5184 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
5185 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
5186 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
5187 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
5188 (atexit, exit): Simplify.
5189 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
5190 * config/lots: Remove defns of HAVE_ATEXIT.
5192 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
5194 * calls.c (precompute_arguments): Fix typo in comment.
5195 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
5198 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
5200 * dsp16xx.c (override_options): Fix typos in GC root registration.
5202 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
5204 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
5206 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
5207 (FUNCTION_PROFILER): Redefine appropriately for Linux.
5208 (CC1_SPEC): Likewise.
5210 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5212 * genattr.c (main): Add extern prototype. Call return, not exit.
5213 * genattrtab.c (main): Likewise.
5214 * gencheck.c (main): Likewise.
5215 * gencodes.c (main): Likewise.
5216 * genconfig.c (main): Likewise.
5217 * genemit.c (main): Likewise.
5218 * genextract.c (main): Likewise.
5219 * genflags.c (main): Likewise.
5220 * gengenrtl.c (main): Likewise.
5221 * genopinit.c (main): Likewise.
5222 * genoutput.c (main): Likewise.
5223 * genpeep.c (main): Likewise.
5224 * genrecog.c (main): Likewise.
5226 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
5227 * genattrtab.c (get_insn_name): Likewise.
5228 * gencodes.c (get_insn_name): Likewise.
5229 * genconfig.c (get_insn_name): Likewise.
5230 * genemit.c (get_insn_name): Likewise.
5231 * genextract.c (get_insn_name): Likewise.
5232 * genflags.c (get_insn_name): Likewise.
5233 * genopinit.c (get_insn_name): Likewise.
5234 * genpeep.c (get_insn_name): Likewise.
5236 * gencheck.c (usage): Add static prototype.
5237 * genextract.c (print_path): Constify a char*.
5238 * genopinit.c (optabs): Likewise.
5239 * genoutput.c (operand_data, data, output_predicate_decls,
5240 compare_operands): Likewise.
5241 * genrecog.c (write_tree): Add default case in switch.
5243 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5245 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
5247 * print-rtl.c (get_insn_name): Remove prototype.
5249 * toplev.h (progname): Declare const.
5251 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
5252 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
5253 dump_sched_info, dump_local_alloc, regset_release_memory,
5254 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
5255 error_with_file_and_line, error_with_decl, error_for_asm, error,
5256 fatal, warning_with_file_and_line, warning_with_decl, warning,
5257 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
5258 Remove redundant prototypes.
5260 (notice, check_lang_option, report_file_and_line, vnotice,
5261 mark_file_stack): Add static prototype.
5262 (set_fatal_function): Add prototype.
5263 (vnotice, report_file_and_line, set_fatal_function,
5264 check_lang_option): Constify a char*.
5265 (main): Prototype. Call return, not exit.
5267 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5269 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
5271 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
5273 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
5275 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
5277 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5279 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
5280 behave as if it's zero in all cases.
5281 (expand_function_start): Adjust call to assign_parms.
5282 * tree.h (assign_parms): Adjust prototype.
5283 * objc/objc-act.c (hack_method_prototype): Adjust call to
5286 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
5288 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
5289 arg_pointer_rtx fixed if the argument pointer register is
5291 (NONZERO_BASE_PLUS_P): Likewise.
5293 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
5295 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
5296 match_insn2 to match_insn.
5297 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
5299 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
5301 * Makefile.in (USER_H): Remove va-foo.h.
5303 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
5304 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
5305 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
5306 va-spur.h,va-v850.h}: Remove.
5308 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
5310 * sparc/sparc.md (eligible_for_return_delay): New attribute.
5311 (in_return_delay): Use it instead of match_insn.
5313 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5315 * config/alpha/va_list.h (va-alpha.h): Do not include.
5316 (__gnuc_va_list): Typedef as in varargs.h.
5318 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
5320 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
5321 DECL_LIVE_RANGE_RTL.
5323 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
5325 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
5326 not NOTE_BLOCK_NUMBER.
5327 (expand_eh_region_end): Likewise.
5328 (find_exception_handler_labels): Likewise.
5329 (scan_region): Likewise.
5330 (exception_optimize): Likewise.
5331 (update_rethrow_references): Likewise.
5332 (set_insn_eh_region): Likewise.
5333 * final.c (final_scan_insn): Likewise.
5334 * flow.c (make_edges): Likewise.
5335 * integrate.c (expand_inline_function): Likewise.
5336 * print-rtl.c (print_rtx): Likewise.
5338 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
5340 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
5341 terms of builtin functions and types.
5343 * mips.c (mips_build_va_list): New.
5344 (mips_va_start, mips_va_arg): New.
5345 * mips.h (BUILD_VA_LIST_TYPE): New.
5346 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
5348 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
5349 (sh_build_va_list, sh_va_start, sh_va_arg): New.
5350 * sh.h (BUILD_VA_LIST_TYPE): New.
5351 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
5353 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
5355 * recog.h (struct recog_data): Make dup_num, operand_address_p,
5356 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
5357 (struct insn_data): Likewise with n_operands, n_dups,
5358 n_alternatives, output_format.
5359 * regclass.c (scan_one_insn): Cast n_operands to int before
5360 arithmetic inside comparison.
5362 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
5364 * toplev.c (compile_function): Unconditionally emit nop.
5366 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5368 * haifa-sched.c (actual_hazard): Move declaration of variable
5369 `this_cost' into the scope where it is used.
5371 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5373 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
5374 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
5375 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
5377 * genrecog.c (make_insn_sequence): Call memset, not bzero.
5379 * jump.c (find_insert_position): Don't declare or define unless
5380 !HAVE_conditional_arithmetic.
5381 (returnjump_p_1, delete_prior_computation): Add static prototypes.
5383 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
5385 * recog.c (offsettable_address_p): Prototype function pointer.
5386 (preprocess_constraints): Call memset, not bzero.
5388 * tree.c (tree_node_kind_names): Constify a char*. Make static.
5389 (gcc_obstack_init): Don't declare.
5390 (fix_sizetype): Add static prototype.
5391 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
5392 (tree_cons): Call memset, not bzero.
5394 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
5395 definition in macro ASM_WEAKEN_LABEL.
5396 (mark_const_hash_entry): Add static prototype.
5398 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5400 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
5402 * unroll.c (find_common_reg_term, subtract_reg_term,
5403 loop_find_equiv_value): Add static prototypes.
5404 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
5405 (copy_loop_body): Remove unreachable break statement.
5407 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
5409 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
5411 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5413 Undo some changes from the gcc2 merge:
5414 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
5415 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
5419 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
5420 * emit-rtl.c (gen_lowpart_common): Disable optimization of
5421 initialized float-int union if the value is a NaN.
5423 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
5425 * gthr-win32.h: New file.
5427 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
5428 shared as a valid attribute.
5429 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
5430 * extend.texi: Document `shared' variable attribute.
5432 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
5434 * configure.in: Handle --enable-threads on FreeBSD.
5435 * configure: Rebuit.
5437 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5439 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
5441 * configure: Rebuilt.
5443 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
5444 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
5445 Rosimildo DaSilva <rdasilva@connecttel.com>
5447 * configure.in (m68k-*-rtemscoff*): Added.
5448 * configure.in (mips64orion-*-rtems*): Converted to ELF.
5449 * configure.in (sparc-*-rtemsaout*): Added as alias for old
5450 sparc-rtems configuration.
5451 * configure.in (sparc-*-rtemself*): Added.
5452 * configure.in (sparc-*-rtems*): Now ELF not a.out.
5453 * config/i386/rtems.h: Added comment.
5454 * config/sparc/rtemself.h: New file.
5456 * configure.in (m68k-rtemself): Added.
5457 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
5458 and DWARF_DEBUGGING_INFO.
5459 * config/m68k/crti.s: New file.
5460 * config/m68k/crtn.s: New file.
5461 * config/m68k/t-crtstuff: New file.
5462 * config/m68k/rtemself.h: New file.
5464 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
5465 global ctor/dtor and C++ exception handling.
5466 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
5467 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
5469 * config/i386/t-rtems-i386: New File.
5471 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
5473 * stmt.c (expand_end_case): Return right away if the case stack is
5476 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
5478 * Makefile.in (version.c): Remove rule incorrectly brought in from
5481 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
5483 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
5484 * msdos/top.sed: Take into account a prepended $(SHELL) to
5486 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
5488 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
5490 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5492 * regmove.c (fixup_match_1): Don't change an unchanging register.
5493 (stable_but_for_p): Renamed to:
5494 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
5495 Changed all callers.
5497 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
5499 * loop.c (strength_reduce): Don't call reg_used_between_p if the
5500 insn from BL2 is after the insn from BL.
5502 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
5504 * recog.h (INSN_OUTPUT_FORMAT_*): New.
5505 (struct insn_data): Merge `template' and `outfun' into `output'.
5506 Add `output_format'.
5507 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
5508 (struct data): Remove `outfun'; add `output_format'.
5509 (name_for_index): Remove declaration.
5510 (output_insn_data): Handle output formats.
5511 (process_template): Emit the bare array for @.
5512 (gen_expand, gen_split): Set output_format to NONE.
5513 * output.h (get_insn_template): Declare.
5514 * final.c (get_insn_template): New.
5515 (final_scan_insn): Use it.
5516 * toplev.c (compile_file): Likewise.
5518 * c4x/c4x.c (c4x_process_after_reload): Likewise.
5519 * i860/i860.c (output_delayed_branch): Likewise.
5520 (output_delay_insn): Likewise.
5522 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5524 * rtl.c (obstack_alloc_rtx): Removed.
5526 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
5528 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
5530 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
5532 * i386.c (call_insn_operand): Reject const_int.
5533 (expander_call_insn_operand): Use call_insn_operand.
5535 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5537 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
5539 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
5541 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
5542 Use DImode operation.
5544 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
5546 * gcc.c: Include sys/resource.h.
5547 (report_times): New flag.
5548 (execute): If report_times is set, calculate and report the
5549 CPU time consumed by each subprocess.
5551 (rus, prus): New globals.
5552 (option_map): Add --time.
5553 (display_help): Document -time.
5554 (process_command): Set report_times if -time is given.
5555 Turn off -pipe if -time is given.
5557 * invoke.texi: Document new option -time.
5559 * configure.in: Check for getrusage. Check if we have to
5560 prototype getrusage.
5561 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
5562 * configure: Regenerate.
5563 * config.in: Regenerate.
5565 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
5567 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
5570 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
5572 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
5573 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
5574 (nan): Return _thenan_sf or _thenan_df as appropriate.
5575 (L_thenan_sf): Define _thenan_sf.
5576 (L_thenan_df): Define _thenan_df.
5578 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
5579 (DPBIT_FUNCS): Add _thenan_df.
5581 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
5583 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
5586 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5588 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
5591 (lang_specific_driver): Don't take a function pointer parameter.
5592 All callers changed.
5594 * gcc.c: Include gcc.h.
5595 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
5596 lang_specific_extra_outfiles, fatal): Don't declare.
5597 (multilib_defaults_raw): Constify.
5598 (read_specs): Call memset, rather than bzero.
5599 (main): Call return, not exit.
5600 (lookup_compiler): Call memcpy, not bcopy.
5601 (fatal): Make extern.
5603 * cppspec.c: Include gcc.h.
5604 (lang_specific_driver): Initialize variable `quote'. Constify a
5605 char*. All calls to the function pointer parameter now
5606 explicitly call `fatal'.
5608 * gccspec.c (lang_specific_driver): Include gcc.h.
5610 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
5612 * arm.c (note_invalid_constants): Use recog_data.operand_type
5615 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5617 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
5620 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
5621 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
5622 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
5623 reload_secondary_in_reload, reload_secondary_out_reload,
5624 reload_secondary_in_icode, reload_secondary_out_icode,
5625 reload_reg_rtx, reload_when_needed): Delete declarations.
5626 (struct reload): New structure.
5627 (rld): Declare new array.
5628 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
5629 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
5630 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
5631 reload_secondary_in_reload, reload_secondary_out_reload,
5632 reload_secondary_in_icode, reload_secondary_out_icode,
5633 reload_reg_rtx, reload_when_needed): Delete definitions.
5635 (whole file): Replace uses of the deleted arrays with uses of rld.
5636 * reload1.c (whole file): Replace uses of the deleted arrays with
5638 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
5639 explicit loops, not with bcopy.
5641 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
5643 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
5644 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
5645 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
5646 insn_name): Delete and consolidate into new structures.
5647 (insn_operand_predicate_fn): New.
5648 (insn_output_fn): New.
5650 (struct insn_operand_data): New.
5651 (struct insn_data): New.
5653 (OUT_FCN): Update for insn_data change.
5654 * builtins.c (expand_builtin_strlen): Likewise.
5655 (expand_builtin_memcmp): Likewise.
5656 * combine.c (make_extraction, simplify_comparison): Likewise.
5657 * cse.c (canon_reg, cse_insn): Likewise.
5658 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
5659 * expmed.c (store_bit_field, extract_bit_field): Likewise.
5660 (emit_store_flag): Likewise.
5661 * expr.c (convert_move, emit_block_move): Likewise.
5662 (clear_storage, emit_push_insn, expand_increment): Likewise.
5663 (do_store_flag): Likewise.
5664 * expr.h (GEN_FCN): Likewise.
5665 (insn_gen_function): Die.
5666 * final.c (final_scan_insn): Update for insn_data change.
5667 (output_asm_name): Likewise.
5668 * function.c (fixup_var_refs_1): Likewise.
5669 * loop.c (check_dbra_loop): Likewise.
5670 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
5671 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
5672 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
5673 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
5674 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
5675 * regmove.c (gen_add3_insn): Likewise.
5676 * reload.c (push_secondary_reload, combine_reloads): Likewise.
5677 (find_reloads, find_reloads_address_1): Likewise.
5678 (debug_reload_to_stream): Likewise.
5679 * reload1.c (emit_reload_insns, gen_reload): Likewise.
5680 * stmt.c (expand_end_case): Likewise.
5681 * toplev.c (compile_file): Likewise.
5683 * c4x/c4x.c (c4x_process_after_reload): Likewise.
5684 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
5686 * print-rtl.c (insn_name_ptr): Remove declaration.
5687 (get_insn_name): Declare.
5688 (print_rtx): Use it.
5689 * genoutput.c (insn_name_ptr): Remove.
5690 (next_operand_number): New.
5691 (struct operand_data): New.
5692 (null_operand, odata, odata_end): New.
5693 (struct data): Use struct operand_data.
5694 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
5695 (get_insn_name): Renamed from name_for_index.
5696 (output_prologue): Define NO_MD_PROTOTYPES.
5697 (output_predicate_decls): Break out from output_epilogue.
5698 Iterate over the operands list.
5699 (output_operand_data): Break out from output_epilogue. Emit
5700 just the operands list.
5701 (output_insn_data): Break out from output_epilogue. Emit just
5703 (output_epilogue): Remove.
5704 (output_get_insn_name): New.
5705 (constraints, op_n_alternatives, predicates, address_p): Die.
5706 (modes, strict_low, seen): Die.
5707 (scan_operands): Take new param `d' instead of writing to
5708 seven global variables.
5709 (compare_operands): New.
5710 (place_operands): New.
5711 (validate_insn_alternatives): Update for struct data change.
5712 (gen_insn): Don't zero or copy 7 global arrays. Update for
5713 scan_operands; call place_operands.
5714 (gen_peephole, gen_expand, gen_split): Likewise.
5715 (main): Update for new output routines.
5717 * genattr.c (insn_name_ptr): Remove.
5718 (get_insn_name): New function.
5719 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
5720 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
5721 * genrecog.c: Likewise.
5723 * alpha.md (adddi3): Make `pattern' array static.
5725 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5727 * config/c4x/c4x.h (c4x_rpts_cycles_string,
5728 c4x_cpu_version_string): Constify char *.
5729 * config/c4x/c4x.c (c4x_rpts_cycles_string,
5730 c4x_cpu_version_string): Likewise.
5732 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
5734 * tree.c (save_tree_status): Revert 10 Sep change.
5735 (restore_tree_status): Likewise. Call obstack_free with NULL
5736 before freeing the obstack proper.
5738 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
5740 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
5742 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
5743 surrounding context.
5745 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
5747 * tree.c (type_hash_canon): Put all types in the hash-table, when
5750 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
5752 * recog.h (struct recog_data, recog_data): New.
5753 (recog_foo variables): Kill.
5754 * recog.c (recog_operand, recog_operand_loc): Kill.
5755 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
5756 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
5757 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
5758 (recog_data): Define.
5759 (extract_insn): Update all recog_foo references to use recog_data.
5760 (preprocess_constraints, constrain_operands): Likewise.
5761 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
5762 * genattrtab.c (main): Likewise.
5763 * genextract.c (main): Likewise.
5764 * genoutput.c: Likewise.
5765 * genrecog.c (write_subroutine, main): Likewise.
5766 * local-alloc.c (block_alloc): Likewise.
5767 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
5768 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
5769 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
5770 * reload.c (find_reloads, find_reloads_toplev): Likewise.
5771 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
5772 (reload_cse_simplify_operands): Likewise.
5774 * arc/arc.c (arc_final_prescan_insn): Likewise.
5775 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
5776 * h8300/h8300.c (notice_update_cc): Likewise.
5777 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
5778 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
5779 * mn10200/mn10200.c (notice_update_cc): Likewise.
5780 * mn10300/mn10300.c (notice_update_cc): Likewise.
5781 * romp/romp.c (update_cc): Likewise.
5782 * sparc/sparc.c (check_pic): Likewise.
5783 * v850/v850.c (notice_update_cc): Likewise.
5785 * genemit.c (main): Don't declare recog_operand.
5787 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
5789 * ggc.h (rtvec_def): Forward declare.
5790 (tree_node): Likewise.
5793 (ggc_set_mark_rtx): Add prototype.
5794 (ggc_set_mark_rtvec): Likewise.
5795 (ggc_set_mark_tree): Likewise.
5796 * ggc-simple.c (ggc_root): Don't define.
5797 (roots): Don't declare.
5798 (ggc_mark_rtx): Remove.
5799 (ggc_mark_rtvec): Likewise.
5800 (ggc_mark_tree): Likewise.
5801 (ggc_mark_varray): Likewise.
5802 (ggc_mark_tree_hash_table_entry): Likewise.
5803 (ggc_mark_tree_hash_table): Likewise.
5804 (ggc_set_mart_rtx): New function.
5805 (ggc_set_mark_rtvec): Likewise.
5806 (ggc_set_mark_tree): Likewise.
5807 (ggc_add_root): Remove.
5808 (ggc_add_rtx_root): Likewise.
5809 (ggc_remove_tree_root): Likewise.
5810 (ggc_add_string_root): Likewise.
5811 (ggc_add_tree_varray_root): Likewise.
5812 (ggc_add_tree_hash_table_root): Likewise.
5813 (ggc_del_root): Likewise.
5814 (ggc_mark_rtx_ptr): Likewise.
5815 (ggc_mark_tree_ptr): Likewise.
5816 (ggc_mark_string_ptr): Likewise.
5817 (ggc_mark_tree_varray_ptr): Likewise.
5818 (ggc_mark_tree_hash_table_ptr): Likewise.
5819 * ggc-common.c: New file.
5820 * Makefile.in (OBJS): Add ggc-common.o.
5821 (ggc-common.o): List dependencies.
5823 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
5825 * cppalloc.c (xstrdup): Use memcpy.
5826 * cpperror.c (cpp_print_containing_files): Don't use
5828 * cpplib.c (conditional_skip): Set temp->lineno.
5829 (do_endif): Make error message less obscure.
5830 (if_directive_name): New function.
5831 (cpp_get_token [case EOF]): Unwind the if stack and generate
5832 error messages for each unterminated conditional in this file.
5833 (parse_string): Do not behave differently if -traditional.
5835 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
5837 * builtins.c (expand_builtin_va_arg): Cope with an array-type
5838 va_list decomposing to pointer-type.
5839 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
5840 (rs6000_va_arg): Likewise.
5842 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
5844 * except.c (start_dynamic_handler): Compute size using
5845 STACK_SAVEAREA_MODE.
5847 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5849 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
5850 include directory headers. Don't define strrchr. Don't provide
5851 my_* replacement functions. Prefer PTR over `pointer_type'.
5852 Don't prototype system functions. Don't redefine getopt.
5854 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
5855 safe_read, safe_write, save_pointers, restore_pointers,
5856 is_id_char, in_system_include_dir, directory_specified_p,
5857 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
5858 find_corresponding_lparen, referenced_file_is_newer,
5859 save_def_or_dec, munge_compile_params, gen_aux_info_file,
5860 process_aux_info_file, identify_lineno, check_source,
5861 seek_to_line, forward_to_next_token_char, output_bytes,
5862 output_string, output_up_to, other_variable_style_function,
5863 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
5864 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
5865 find_static_definition, connect_defs_and_decs, add_local_decl,
5866 add_global_decls, needs_to_be_converted, visit_each_hash_node,
5867 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
5868 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
5869 scan_for_missed_items, edit_file, string_list_cons): Add static
5871 (standard_exec_prefix, target_machine, target_version,
5872 default_syscalls_dir, string_list, string_list_cons, find_file,
5873 do_cleaning): Constify a char*.
5874 (safe_read, safe_write): Use PTR, not a char*.
5875 (is_id_char): Take an int, not a char.
5876 (main): Add prototype. Call return, not exit.
5878 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
5880 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
5881 when comparing types.
5883 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
5885 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
5886 (strength_reduce): Release the varrays from the no-bivs early exit.
5888 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
5889 the loop over the registers.
5891 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
5893 (restore_tree_status): Check that instead when freeing the obstack.
5895 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
5897 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
5900 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5902 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
5903 operand size modifiers.
5905 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5907 * c-common.c (c_common_nodes_and_builtins): Don't build
5909 * c-common.h (enum c_tree_index and related accesor macros): Remove
5910 everything now declared in tree.h.
5911 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
5912 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
5913 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
5914 (error_mark_node, void_type_node, char_type_node, integer_type_node,
5915 unsigned_type_node, ptr_type_node, va_list_type_node,
5916 integer_zero_node, null_pointer_node, integer_one_node): Delete.
5917 (init_decl_processing): Call build_common_tree_nodes and
5918 build_common_tree_nodes_2 instead of building their nodes here.
5919 Don't add roots for these nodes.
5920 * stor-layout.c (size_zero_node, size_one_node): Delete.
5921 (set_sizetype): Make a new node for bitsizetype each time.
5922 * tree.c (global_trees): New variable.
5923 (init_obstacks): Add a gc root for it.
5924 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
5925 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
5926 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
5927 (build_common_tree_nodes): New function.
5928 (fix_sizetype): New function.
5929 (build_common_tree_nodes_2): New function.
5930 * tree.h (enum tree_index): New.
5931 (global_trees): Declare.
5932 Add accessor macros for all nodes now moved to global_trees.
5933 Delete their declarations.
5935 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
5937 * c-decl.c (finish_function): When processing a nested function,
5938 push and pop GC context around rest_of_compilation.
5940 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
5942 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
5943 Default ix86_arch to PROCESSOR_I386.
5944 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
5945 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
5946 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
5947 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
5948 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
5949 (EXTRA_SPECS): Remove deleted specs.
5951 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
5953 * function.c (assign_stack_local_1): Allocate from
5954 function->x_frame_offset, not frame_offset.
5956 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
5958 * ggc.h (lang_cleanup_tree): Remove.
5959 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
5960 * ggc-callbacks.c (lang_cleanup_tree): Remove.
5962 * c-decl.c (finish_struct): Use ggc_alloc to allocate
5963 TYPE_LANG_SPECIFIC when garbage collecting.
5964 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
5965 (lang_cleanup_tree): Remove.
5967 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
5969 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
5970 * crtstuff.c: Not here.
5971 * dwarf2out.c: Or here.
5972 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
5975 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
5977 * function.h (free_after_compilation): Remove decl parameter.
5978 (free_varasm_status0: Likewise.
5979 (free_emit_status): Likewise.
5980 (free_stmt_status): Likewise.
5981 (free_after_compilation): Likewise.
5982 (init_lang_status): New variable.
5983 (free_lang_status): Likewise.
5984 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
5985 * function.c (init_lang_status): New variable.
5986 (free_lang_status): Likewise.
5987 (push_function_context_to): Don't set function::decl here.
5988 (free_after_copmilation): Make decl parameter implicit. Call
5989 free_lang_status if defined.
5990 (prepare_function_start): Call init_lang_status if defined.
5991 (init_function_start): Set function::decl here.
5992 * profile.c (output_func_start_profiler): Don't call pushdecl
5993 until we've actually started the function.
5994 * stmt.c (free_stmt_status): Make decl parameter implicit.
5995 * toplev.c (rest_of_compilation): Don't pass decl to
5996 free_after_compilation.
5997 * varasm.c (free_varasm_status): Likewise.
5999 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6001 * except.c (call_get_eh_context): Add root when allocating static
6004 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
6006 * arm.c: Include "ggc.h".
6007 (arm_add_gc_roots): New function.
6008 (arm_override_options): Call it.
6009 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
6011 * arm.md (define_asm_attributes): Add a pool_range attribute.
6013 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
6015 * extend.texi (Volatiles): New node.
6017 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
6019 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
6020 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
6021 (struct ggc_any): Replace `mark' with `magic_mark'.
6022 (ggc_alloc_string): Use memcpy, not bcopy.
6023 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
6024 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
6025 (ggc_free_any): New.
6026 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
6027 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
6028 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
6029 Use IS_MARKED. Use ggc_free_any.
6031 1999-09-09 Scott Bambrough <scottb@netwinder.org>
6033 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
6035 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
6037 * toplev.c (main): Always init_ggc.
6039 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
6041 * except.c (find_all_handler_type_matches): Free the list if
6042 we found no matches.
6044 * combine.c (SUBST): Break out to a real function do_SUBST.
6045 (SUBST_INT): Likewise.
6046 * gcse.c (free_pre_mem): Free `temp_bitmap'.
6047 (pre_insert): Free `inserted'.
6048 * loop.c (basic_induction_var): Always set `location'.
6050 * function.c (expand_function_end): Add initial_trampoline as a root.
6051 * rtl.h (init_varasm_once): Declare.
6052 * toplev.c (compile_file): Call it.
6053 * ggc-simple.c (ggc_mark_string_ptr): New.
6054 (ggc_add_string_root): New.
6055 (ggc_collect): Disable collection avoidance temporarily.
6056 * ggc.h (ggc_add_string_root): Declare.
6057 * except.c (create_rethrow_ref): Use ggc_alloc_string.
6058 * optabs.c (init_libfuncs): Likewise.
6059 * varasm.c (named_section): Use ggc_alloc_string.
6060 (make_function_rtl): Likewise.
6061 (make_decl_rtl): Likewise.
6062 (assemble_static_space): Likewise.
6063 (assemble_trampoline_template): Likewise.
6064 (output_constant_def): Likewise.
6065 (force_const_mem): Likewise.
6066 (mark_const_hash_entry): New.
6067 (mark_pool_sym_hash_table): New.
6068 (mark_varasm_state): Use it.
6069 (init_varasm_once): New.
6071 * expr.h (init_one_libfunc): Declare.
6072 * optabs.c (init_one_libfunc): New.
6073 (init_optabs): Use it.
6074 * config/gofast.h: Likewise.
6075 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
6076 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
6078 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
6080 * Makefile.in (cppexp.o): Depend on cpphash.h.
6081 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
6083 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
6084 * cpplib.c (do_define): Generalise to handle poisoned definitions,
6085 redefining poisoned identifiers, etc.
6086 (do_undef): Don't allow poisoned identifiers to be undefined.
6087 (do_pragma): Add #pragma poison.
6088 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
6090 * cccp.c: Add T_POISON node type.
6091 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
6093 (do_define): Generalise to handle poisoned definitions,
6094 redefining poisoned identifiers, etc.
6095 (do_undef): Don't allow poisoned identifiers to be undefined.
6096 (do_pragma): Add #pragma poison.
6097 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
6099 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
6100 * c-pragma.h: Add ps_poison state. We now always have generic
6103 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
6105 * ggc.h (ggc_alloc): New function.
6106 (ggc_mark): Likewise.
6107 * ggc-simple.c (ggc_any): New structure.
6108 (ggc_status): Add anys.
6109 (n_anys_collected): New variable.
6110 (ggc_alloc): Define.
6111 (ggc_mark): Likewise.
6112 (ggc_collect): Collect the anys.
6114 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6116 * c-decl.c (mark_binding_level): Make static to match prototype.
6118 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
6120 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
6122 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
6124 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
6125 will use into account. Expand the max width to 5.
6128 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
6130 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
6133 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
6135 * alpha.md (call value patterns): Remove the result predicates.
6137 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
6139 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
6142 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6144 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
6145 changed from extern char *, to extern PTR. Also fix typo in
6146 NEED_DECLARATION_REALLOC test.
6148 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
6150 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6152 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
6153 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
6154 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
6155 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
6157 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
6159 * cccp.c (pcfinclude): Likewise.
6161 * global.c (allocno_compare): Likewise.
6163 * haifa-sched.c (rank_for_schedule): Likewise.
6165 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
6167 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
6169 * stupid.c (stupid_reg_compare): Likewise.
6171 * tree.c (_obstack_allocated_p): Likewise.
6173 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
6175 1999-09-08 Bruce Korb autogen@linuxbox.com
6177 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
6178 why "gperf -F" fails.
6179 * gcc/cp/Makefile.in: ditto
6180 * gcc/Makefile.in: ditto
6181 * gcc/java/Makefile.in: ditto
6183 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
6185 * lists.c: Include ggc.h.
6187 (init_EXPR_INSN_LIST_cache): Install it.
6189 * ggc-simple.c (init_ggc): Absorb the old init.
6190 (ggc_push_context): Use xcalloc.
6191 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
6192 (ggc_collect): Add [rvts] tags to the collection stats.
6194 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
6196 * cccp.c (main): Fix handling of -include and -imacros options.
6198 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
6200 * cpplib.c (cpp_push_buffer): Fix order of arguments.
6202 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
6204 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
6207 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
6209 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
6210 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
6211 and SET_DEST. Update comment.
6213 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6215 * config/c4x/c4x.c: Include ggc.h.
6216 (c4x_add_gc_roots): New function.
6217 (c4x_override_options): Call c4x_add_gc_roots.
6219 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
6221 * defaults.h (TARGET_ESC): Move ...
6222 * system.h: ... here, where Linas had it in the first place. Silly me.
6224 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
6226 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
6227 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
6228 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
6229 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
6230 * defaults.h (TARGET_ESC): Add default.
6232 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
6234 * configure.in: add i370-*-openedition, i370-*-mvs and
6235 i370-*-linux targets
6237 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
6239 * dsp16xxx.c: Include ggc.h
6240 (override_options): Mark GC roots.
6241 * mn10200.c: Include ggc.h.
6242 (asm_file_start): Mark GC roots.
6243 * tahoe.c: Include ggc.h.
6244 (extensible_operand): Mark GC roots.
6246 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
6248 * README: Add section discussing status of ELF ABI.
6249 * i370.c: Fix misc spelling mistakes.
6250 (i370_label_scan): Updated notes, exception handling.
6251 (i370_function_prolog): Simplify ELF stack handling.
6252 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
6253 (STACK_GROWS_DOWNWARD): ELF stack grows down.
6254 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
6255 * i370.md: (movdi): Add notes.
6256 (floatsidf2): Use stack not rtca for scratch float area.
6257 (iorsi3): Correct operand constraints.
6258 * x-oe: Restore TAROUTOPTS which are used by pax.
6260 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
6262 * rs6000.c: Include ggc.h.
6263 (rs6000_add_gc_roots): New function.
6264 (override_options): Call it.
6266 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
6268 * alpha.h (alpha_compare): New.
6269 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
6270 * alpha.c: Likewise for the definitions.
6271 (alpha_emit_conditional_branch): Update for alpha_compare.
6272 (alpha_emit_conditional_move): Likewise.
6273 * alpha.md (cmpdf, cmpdi): Likewise.
6274 (setcc patterns): Likewise. Zero alpha_compare after use.
6275 (sne): Optimize (x != 0) into (0U < x).
6277 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
6279 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
6280 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
6281 (INIT_EXPANDERS): Remove.
6282 * alpha.c: Include ggc.h.
6283 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
6284 (alpha_init_machine_status, alpha_mark_machine_status): New.
6285 (override_options): Install them.
6286 (struct machine_function): Moved to alpha.h.
6287 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
6288 (alpha_init_expanders): Remove.
6289 (alpha_return_addr): Adjust to use current_function->machine.
6290 (alpha_ra_ever_killed): Likewise.
6291 (alpha_expand_epilogue): Likewise.
6292 * alpha.md (eh_epilogue): Likewise.
6294 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
6295 Melissa O'Neill <oneill@cs.sfu.ca>
6296 Geoffrey Keating <geoffk@cygnus.com>
6298 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
6299 call-used registers (call-saved registers must still be contiguous
6300 and end with r31, of course).
6302 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
6304 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
6305 (self_promoting_type_p): Delete.
6306 (self_promoting_args_p): Move ...
6307 * c-common.c: ... here.
6308 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
6309 (simple_type_promotes_to): New.
6310 * builtins.c (lang_type_promotes_to): New.
6311 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
6312 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
6313 * c-common.h: ... here.
6314 (self_promoting_args_p, simple_type_promotes_to): Declare.
6315 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
6316 (grokdeclarator): Likewise.
6317 * tree.h (lang_type_promotes_to): Declare.
6319 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
6321 Add some machine-dependent GC roots.
6322 * sparc.c: Include ggc.h.
6323 (sparc_add_gc_roots): New function.
6324 (mark_ultrasparc_pipeline_state): Likewise.
6325 (override_options): Call sparc_add_gc_roots.
6326 * pa.c: Include ggc.h.
6327 (pa_add_gc_roots): New function.
6328 (mark_deferred_plabels): Likewise.
6329 (override_options): Call pa_add_gc_roots.
6330 * mips.c: Include ggc.h.
6331 (mips_add_gc_roots): New function.
6332 (override_options): Use it.
6334 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6336 * cpperror.c (cpp_file_line_for_message): Constify a char*.
6338 * cppexp.c (parse_number, parse_charconst, cpp_lex,
6339 cpp_parse_expr): Add static prototypes.
6340 (parse_charconst): Don't cast away const-ness.
6341 (token): Constify a char*.
6343 * cppfiles.c (file_name_list, include_hash, find_include_file,
6344 finclude, initialize_input_buffer): Constify a char*.
6345 (file_cleanup, find_position): Add static prototypes.
6347 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
6348 collect_expansion): Add static prototypes.
6349 (cpp_install, create_definition, monthnames): Constify a char*.
6351 * cpphash.h (cpp_install): Likewise.
6353 * cppinit.c (known_suffixes, default_include,
6354 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
6355 (base_name, dump_special_to_buffer, initialize_dependency_output):
6356 Add static prototypes.
6358 * cpplib.c (my_strerror): Constify a char*.
6359 (null_underflow, null_cleanup, skip_comment, copy_comment,
6360 copy_rest_of_line, handle_directive, pass_thru_directive,
6361 get_directive_token, read_line_number, cpp_print_file_and_line,
6362 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
6363 v_cpp_warning_with_line, detect_if_not_defined,
6364 consider_directive_while_skipping): Add static prototypes.
6365 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
6366 cpp_pedwarn_with_file_and_line): Constify a char*.
6368 * cpplib.h (cpp_options, include_hash, progname, definition,
6369 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
6370 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
6371 find_include_file, deps_output, include_hash): Constify a char*.
6373 * cppmain.c (progname): Constify.
6374 (main): Add prototype. Use return, not exit.
6376 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
6377 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
6378 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
6379 check_protection): Add static prototype.
6381 (progname, recognized_macrom, recognized_extern): Constify a char*.
6382 (main): Add prototype.
6384 * gen-protos.c (progname): Constify a char*.
6386 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
6388 * emit-rtl.c (free_emit_status): Take decl as a parameter.
6389 (init_emit_once): Add more GC roots.
6390 * except.c (mark_func_eh_entry): New function.
6391 (mark_eh_node): Mark false_label and rethrow_label.
6392 (init_eh): Add more GC roots.
6393 * function.c (free_after_compilation): Take decl as a paramter.
6394 Call free_stmt_status.
6395 (mark_function_state): Don't assume x_parm_reg_stack_loc is
6397 * function.h (free_after_compilation): Change prototype.
6398 (free_varasm_status): Likewise.
6399 (free_emit_status): Likewise.
6400 (free_stmt_status): New function.
6401 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
6402 Remove, replacing with ...
6403 (ggc_status): New structure.
6404 (ggc_chain): New variable.
6406 (ggc_push_context): New function.
6407 (ggc_pop_context): Likewise.
6408 (ggc_alloc_rtx): Adjust for use of ggc_chain.
6409 (ggc_alloc_rtvec): Likewise.
6410 (ggc_alloc_tree): Likewise.
6411 (ggc_alloc_string): Likewise.
6412 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
6413 (ggc_mark_tree): Give language-dependent code a chance to mark
6415 (ggc_mark_tree_varray): Handle empty arrays.
6416 (ggc_collect): Adjust for use of ggc_chain. Clear
6417 bytes_alloced_since_last_gc.
6418 * ggc.h (ggc_pop_context): New function.
6419 (ggc_push_context): Likewise.
6420 * print-tree.c (print_node): Don't print obstacks when GC'ing.
6421 * stmt.c (free_stmt_status): New function.
6422 (init_stmt_for_function): Clear last_expr_value.
6423 * toplev.c (rest_of_compilation): Always call free_after_compilation.
6424 Conditionalize call to ggc_collect.
6425 (main): Call init_ggc.
6426 * tree.c (push_obstacks): Do the push, even when GC'ing.
6427 (push_obstacks_nochange): Likewise.
6428 (pop_obstacks): Liekwise.
6429 * varasm.c (free_varasm_status): Take decl as a parameter.
6431 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
6433 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
6434 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
6435 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
6436 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
6438 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
6440 * pa/x-pa-mpeix: New file for the MPE port.
6442 * pa/quadlib.asm: New file for long double support.
6444 * configure.in: Add hppa1.0-*-mpeix for MPE port.
6445 * configure: Rebuilt.
6447 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
6449 * final.c (shorten_branches): Fix last change.
6451 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
6453 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
6455 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
6457 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
6460 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6462 * c-aux-info.c (concat): Don't define.
6464 * cccp.c (my_strerror): Likewise. All callers changed to use
6466 (do_include): Call xstrdup, not xmalloc/strcpy.
6467 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
6468 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
6470 * collect2.c (my_strsignal): Likewise. All callers changed to use
6472 (locatelib): Call xstrdup, not xmalloc/strcpy.
6474 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
6476 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
6478 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
6480 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
6482 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
6484 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
6486 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
6488 (find_all_handler_type_matches): Likewise. Don't check return
6490 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
6491 xmalloc, not malloc.
6492 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
6494 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
6495 (init_spec): Call xcalloc, not xmalloc/bzero.
6496 (set_spec): Call xstrdup, not save_string.
6497 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
6498 (find_a_file): Call xstrdup, not xmalloc/strcpy.
6499 (process_command): Call xstrdup, not save_string.
6500 (main): Call xcalloc, not xmalloc/bzero.
6502 * gcov.c (xmalloc): Don't define.
6503 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
6504 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
6505 (output_data): Call xcalloc, not xmalloc/bzero.
6507 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
6509 * mips-tdump.c (xmalloc): Don't define.
6510 (print_symbol): Call xmalloc, not malloc.
6511 (read_tfile): Call xcalloc, not calloc.
6513 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
6514 Don't define. All callers of xfree/my_strsignal changed to use
6515 free/strsignal instead.
6516 (allocate_cluster): Call xcalloc, not calloc.
6518 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
6519 Fix memory leak, free allocated memory.
6521 * prefix.c (translate_name): Call xstrdup, not save_string.
6522 (update_path): Likewise.
6524 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
6526 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
6527 Don't define. Callers of xfree/savestring2 changed to use
6528 free/concat instead.
6530 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
6531 (init_elim_table): Likewise.
6533 * resource.c (init_resource_info): Likewise.
6535 * stupid.c (stupid_life_analysis): Likewise.
6537 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
6538 (open_dump_file): Call concat, not xmalloc/strcpy/...
6539 (clean_dump_file): Likewise.
6540 (compile_file): Call xstrdup, not xmalloc/strcpy.
6542 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
6544 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
6545 * v850.c (v850_va_arg): New.
6547 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6549 * haifa-sched.c: Tidy comments.
6551 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6553 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
6554 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
6555 $(out_object_file)): Depend on ggc.h.
6556 * c-common.c: Include "ggc.h".
6557 (combine_strings): If doing GC, use ggc_alloc_string.
6558 * c-decl.c: Include "ggc.h".
6559 (ggc_p): Define with value 0.
6560 (mark_binding_level): New function.
6561 (init_decl_processing): Add GC roots.
6562 (mark_c_function_context): New function.
6563 (lang_mark_false_label_stack): New function.
6564 (lang_mark_tree): New function.
6565 (lang_cleanup_tree): New function.
6566 * c-lang.c: Include "ggc.h".
6567 (lang_init): Call c_parse_init.
6568 * c-lex.c: Include "ggc.h".
6569 (check_linenum): If doing GC, don't copy filenames to permanent
6571 * c-parse.in: Include "ggc.h".
6572 (c_parse_init): New function.
6573 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
6574 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
6576 * except.c (mark_eh_state): Mark more state.
6577 * function.c (mark_function_state): Likewise.
6578 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
6579 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
6580 * toplev.c (mark_file_stack): New function.
6581 (compile_file): If doing GC, use ggc_alloc_string on input filename.
6582 (main): Add root for input_file_stack.
6584 * i386.c: Include "ggc.h".
6585 (ix86_mark_machine_status): New function.
6586 (override_options): Set mark_machine_status.
6588 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6590 * tree.c (copy_node): Copy node contents also if doing GC.
6592 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
6594 * collect2.c (scan_libraries): Fix double-thinko :-).
6596 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
6598 * collect2.c (scan_libraries): Fix thinko.
6600 * cse.c (delete_trivially_dead_insns): Do not skip the last
6601 insn if it is a real insn.
6603 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
6605 * Makefile.in (ggc-simple.o): Depend on hash.h.
6606 * ggc.h (ggc_add_tree_hash_table_root): Declare.
6607 (ggc_mark_tree_varray): Likewise.
6608 (ggc_mark_tree_hash_table): Likewise.
6609 * ggc-simple.c: Include hash.h.
6610 (ggc_mark_tree_hash_table_ptr): New function.
6611 (ggc_mark_tree_hash_table_entry): Likewise.
6612 (ggc_mark_tree_hash_table): Likewise.
6613 (ggc_add_tree_hash_table_root): Likewise.
6614 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
6615 rtx, when defining fields.
6617 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6619 * profile.c (output_func_start_profiler): Remove apparently
6620 nonsensical call to start_sequence.
6622 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
6624 * clipper/clipper.c (clipper_va_start): Fix typos.
6626 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
6627 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
6628 (spur_va_arg): New stub.
6630 * configure.in: Comment out pyramid.
6632 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
6634 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
6635 don't conflict with the bits that win32, cygwin, and dgux
6638 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
6639 Bernd Schmidt <bernds@cygnus.co.uk>
6641 * integrate.c (function_cannot_inline_p): Do not inline
6642 functions with forced labels.
6644 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
6645 Bernd Schmidt <bernds@cygnus.co.uk>
6646 Mark Mitchell <mark@codesourcery.com>
6648 * Makefile.in (ggc-simple.o): Depend on varray.h.
6649 (rtl.o): Depend on ggc.h.
6650 (genattrtab.o): Depend on ggc.h.
6651 (print-tree.o): Likewise.
6652 (fold-const.o): Likewise.
6653 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
6654 (make_insn_raw): Don't cache insns when GC'ing.
6655 (emit_insn_before): Likewise.
6656 (emit_insn_after): Likewise.
6657 (emit_insn): Likewise.
6658 (start_sequence): Use xmalloc to allocate the sequence_stack.
6659 (end_sequence): Add free to free it.
6660 (gen_sequence): Don't cache insns when GC'ing.
6661 (clear_emit_caches): Don't use sequence_element_free_list.
6662 (init_emit): Use xcalloc, not xmalloc+bzero.
6663 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
6664 * function.c (pop_function_context_from): Use free to free the
6665 fixup_var_refs_queue.
6666 (put_reg_into_stack): Allocate it with xmalloc.
6667 * genattrtab.c: Include ggc.h.
6668 (operate_exp): Don't use obstack_free when GC'ing.
6669 (simplify_cond): Likewise.
6670 (simplify_text_exp): Likewise.
6671 (optimize_attrs): Likewise.
6672 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
6674 (gencode): Generate a #include for ggc.h.
6675 * ggc-callbacks.c (ggc_p): Define it to zero.
6676 * ggc-none.c (ggc_p): Likewise.
6677 * ggc-simple.c: Include varray.h.
6678 (ggc_mark_tree_varray): New function.
6679 (ggc_add_tree_varray_root): Likewise.
6680 (ggc_mark_tree_varray_ptr): Likewise.
6681 * ggc.h (ggc_p): Declare.
6682 (varray_head_tag): Likewise.
6683 (ggc_add_tree_varray_root): Declare.
6684 * print-tree.c (print_node): Don't check for TREE_PERMANENT
6685 inconsistencies when GC'ing.
6686 * rtl.c: Include ggc.h.
6687 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
6688 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
6689 (rtx_free): Don't call obstack_free when GC'ing.
6690 * toplev.c (rest_of_compilation): Call ggc_collect after every
6692 * tree.c (push_obstacks): Do nothing, if GC'ing.
6693 (pop_obstacks_nochange): Likewise.
6694 (pop_obstacks): Likewise.
6695 (make_node): Use ggc_alloc_tree when GC'ing.
6696 (copy_node): Likewise.
6697 (get_identifier): Use ggc_alloc_string when GC'ing.
6698 (build_string): Likewise.
6699 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
6700 (tree_cons): Likewise.
6702 (type_hash_canon): Don't call obstack_free when GC'ing.
6704 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
6706 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
6707 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
6709 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
6710 Bernd Schmidt <bernds@cygnus.co.uk>
6711 Mark Mitchell <mark@codesourcery.com>
6713 * Makefile.in (stor-layout.o): Depend on ggc.h.
6714 (expr.o): Depend on ggc.h.
6715 (profile.o): Depend on ggc.h.
6716 (stor-layout.o): Depend on ggc.h.
6717 * emit-rtl.c (init_emit_once): Add gc roots.
6718 * expr.c: Include ggc.h.
6719 (emit_block_move): Add gc roots.
6720 (clear_storage): Likewise.
6721 * expr.h (init_stor_layout_once): New function.
6722 * profile.c: Include ggc.h.
6723 (init_arc_profiler): profiler_label is a root.
6724 * scan.c (make_sstring_space): Trust xrealloc to function
6725 correctly with first parameter NULL.
6726 * stor-layout.c: Include ggc.h.
6727 (set_sizetype): Add gc root.
6728 (init_stor_layout_once): New function.
6729 * toplev.c (compile_file): Call it.
6731 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
6732 Bernd Schmidt <bernds@cygnus.co.uk>
6733 Mark Mitchell <mark@codesourcery.com>
6735 * Makefile.in (tree.o): Depend on ggc.h.
6736 (varasm.o): Likewise.
6737 (function.o): Likewise.
6739 (except.o): Likewise.
6740 (optabs.o): Likewise.
6741 (emit-rtl.o): Likewise.
6742 * emit-rtl.c: Include ggc.h.
6743 (sequence_element_free_list): Remove, and all references.
6744 (mark_sequence): New functions.
6745 (mark_emit_state): New function.
6746 * except.c: Include ggc.h.
6747 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
6748 (mark_tree_label_node): New functions.
6749 (mark_eh_state): New function.
6750 * function.c: Include ggc.h.
6751 (mark_temp_slot, mark_function_chain): New functions.
6752 (mark_function_state): New function.
6753 (init_function_once): New function.
6754 * function.h (init_function_once): New function.
6755 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
6756 * ggc.h (label_node): Declare.
6757 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
6758 (lang_mark_false_label_stack): New function.
6759 (mark_temp_slot): Remove declaration.
6760 (mark_function_chain): Likewise.
6761 (mark_eh_state): Adjust prototype.
6762 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
6764 * optabs.c: Include ggc.h.
6765 (mark_optab): New function.
6766 (init_optabs): Add gc roots.
6767 * stmt.c: Include ggc.h.
6768 (mark_cond_nesting, mark_loop_nesting): New functions.
6769 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
6770 (mark_stmt_state): New function.
6771 * toplev.c (compile_file): Call init_function_once.
6772 * tree.c: Include ggc.h.
6773 (type_hash): Move declaration earlier in file.
6774 (TYPE_HASH_SIZE, type_hash_table): Likewise.
6775 (init_obstacks): Add gc roots.
6776 (mark_type_hash): New function.
6777 * varasm.c: Include ggc.h.
6778 (mark_pool_constant): New function.
6779 (mark_varasm_state): New function.
6781 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6783 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
6785 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6787 * c-decl.c (struct language_function): Renamed from struct c_function.
6789 (c_function_chain): Delete.
6790 (push_c_function_context): New arg F. Don't warn about nested
6791 functions here. Fill LANGUAGE elt of F. Delete code to update
6792 c_function_chain. Don't call push_function_context.
6793 (pop_c_function_context): New arg F. Restore from there instead of
6794 from c_function_chain. Don't call pop_function_context. Clear out
6795 LANGUAGE field of F when done.
6796 * c-lang.c: Include "function.h"
6797 (lang_init): Initialize save_lang_status and restore_lang_status.
6798 * c-parse.in (nested_function, nested_function_notype): Warn about
6799 nested functions. Call push_function_context/pop_function_context
6800 instead of the _c_ variants.
6801 * c-tree.h (push_c_function_context, pop_c_function_context): Update
6803 * Makefile.in (c-lang.o): Update dependencies.
6805 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
6806 regno_pointer_flag, regno_pointer_align.
6807 (gen_reg_rtx): Use xrealloc to enlarge them.
6808 (free_emit_status): New function.
6809 * function.c (mark_machine_status, mark_lang_status): New variables.
6810 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
6811 in some bits from assign_stack_local. All callers changed to use new
6813 (assign_stack_local): Just call assign_stack_local_1.
6814 (free_after_compilation): New function.
6815 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
6816 (trampoline_address): Likewise.
6817 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
6818 (prepare_function_start): Explicitly clear some more variables.
6819 * function.h (struct function): New elt can_garbage_collect.
6820 (mark_machine_status, mark_lang_status): Declare variables.
6821 (free_after_compilation, free_emit_status, free_varasm_status,
6822 init_varasm_status): Declare functions.
6823 * toplev.c (rest_of_compilation): Call free_after_compilation when
6824 done with the current function.
6825 * varasm.c (free_varasm_status): New function.
6827 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
6829 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
6830 (EXPAND_BUILTIN_VA_ARG): Define.
6831 * sparc.c (sparc_va_start): New.
6832 (sparc_va_arg): New.
6834 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6836 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
6838 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6840 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
6842 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
6844 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
6846 (ggc-callbacks.o): New target.
6847 * ggc-callbacks.c: New file.
6849 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6851 * expr.h: Collapse individual optab and libfunc vars to arrays.
6852 (optab_index, libfunc_index): New enumerations.
6853 (optab_table, libfunc_table): New arrays.
6854 Add accessor macros for both.
6856 * optabs.c (optab_table, libfunc_table): New.
6857 Delete declarations for individual optab and libfunc vars.
6859 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
6861 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
6863 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
6865 * Makefile.in (GGC, GGC_LIB): New.
6866 (HOST_RTL): Include ggc-none.o.
6867 (ggc-simple.o): New target.
6868 (ggc-none.o): Likewise.
6869 * tree.h (tree_common): Add gc_mark.
6870 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
6871 (struct rtvec_def): Add gc_mark.
6872 * emit-rtl.c (global_rtl): Update static initializers to contain
6873 enough initializers.
6874 * ggc.h, ggc-none.c, ggc-simple.c: New files.
6875 * toplev.c (gc_time): New variable.
6876 (all_time): New variable.
6877 (compile_file): Print gc time.
6878 (print_time): Calculate percentage of the whole.
6880 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6882 Change obstack memory management and varasm constant pool handling so
6883 that nested functions are treated like any other functions.
6884 * function.c (init_machine_status): New variable.
6885 (push_function_context_to): Set contains_functions for the outer
6886 function. Don't call save_varasm_status.
6887 (pop_function_context_from): Don't call restore_varasm_status. Don't
6888 set current_function_contains_functions.
6889 (prepare_function_start): Call init_varasm_status rather than
6890 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
6892 * function.h (struct function) Add field varasm. Delete fields
6893 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
6894 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
6895 (init_machine_status): Declare.
6896 (save_varasm_status, restore_varasm_status): Delete declarations.
6897 (save_tree_status, restore_tree_status): Delete last argument.
6898 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
6899 code. All callers changed.
6900 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
6901 save_constants_in_decl_trees, restore_constants, save_constants,
6902 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
6904 (inlining): New variable.
6905 (reg_map, label_map, insn_map, orig_asm_operands_vector,
6906 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
6908 (save_for_inline_nocopy): Don't save constants.
6909 Don't set inl_emit field in current_function.
6910 (expand_inline_function): Use emit field, not inl_emit, of the inlined
6911 function. Set new variable inlining before
6912 calling copy_rtx_and_substitute.
6913 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
6914 constant pool references if inlining is nonzero.
6915 Delete ADDRESS and (most of the) CONST cases.
6916 (output_inline_function): Save and restore current_function/
6917 current_function_decl. Delete restore_constants code. Don't call
6918 init_const_rtx_hash_table.
6919 * output.h (init_const_rtx_hash_table): Don't declare.
6920 * rtl.h (struct function): Declare.
6921 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
6922 * toplev.c (rest_of_compilation): Don't treat nested functions or
6923 functions containing them specially. Delete all code to deal with
6924 save_for_inline_copying.
6925 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
6926 inline_obstacks): Delete variables.
6927 (save_tree_status): Lose arg CONTEXT. All callers changed.
6928 Simply allocate a new function_maybepermanent_obstack for the new
6929 function, delete all the special cases.
6930 Don't save inline_obstacks.
6931 (restore_tree_status): Lose arg CONTEXT. All callers changed.
6932 Delete special handling for function_maybepermanent_obstack; simply
6934 Don't restore inline_obstacks.
6935 (permanent_allocation): Delete code that frees inline_obstacks.
6936 (print_inline_obstack_statistics): Delete function.
6937 (dump_tree_statistics): Don't call it.
6938 * varasm.c (struct varasm_status): New.
6939 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
6940 last_pool, pool_offset, const_double_chain): Delete global
6941 variables, replace with accessor macros.
6942 (immed_double_const): Don't walk const_double_chain outside a
6943 function, but don't treat nested functions specially anymore.
6944 (immed_real_const_1): Likewise.
6945 (clear_const_double_mem): Don't treat nested functions specially.
6946 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
6947 (save_varasm_status, restore_varasm_status): Delete functions.
6948 (init_varasm_status): New function.
6949 (force_const_mem): Don't treat nested functions specially.
6950 (find_pool_constant): Accept new arg F, search for constants in
6951 that function's pool rather than the current one. All callers
6953 (get_pool_constant_for_function, get_pool_mode_for_function): New
6956 * i386.c (init_386_machine_status): New function, mostly from
6957 clear_386_stack_locals.
6958 (struct machine_functions): Rename element names to avoid name
6960 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
6961 macros, replacing global variables.
6962 (clear_386_stack_locals, save_386_machine_status,
6963 restore_386_machine_status): Delete functions.
6964 (override_options): Initialize init_machine_status.
6965 * i386.h (INIT_EXPANDERS): Delete macro.
6966 (save_386_machine_status, restore_386_machine_status,
6967 clear_386_stack_locals): Delete declarations.
6969 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6971 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
6972 (doloop_begin): Simplify pattern and use emit_jump_insn.
6973 (doloop_end): Simplify pattern, switch operand order,
6974 and use emit_jump_insn.
6976 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6978 * function.h (struct function): Add new element LANGUAGE.
6979 (save_lang_status): Declare new variable.
6980 (restore_lang_status): Likewise.
6981 * function.c (save_lang_status): Define.
6982 (restore_lang_status): Likewise.
6983 (push_function_context_to): Call language-specific save function.
6984 (pop_function_context_from): Call language-specific restore function.
6986 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
6988 * i386.md (movsf_1): Check REG_P before use of REGNO.
6989 (movdf_1): Likewise.
6990 (movxf_1): Likewise.
6991 (extendsfdf2): Likewise.
6992 (extendsfxf2): Likewise.
6993 (extenddfxf2): Likewise.
6995 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6997 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
6998 constants into memory.
6999 (c4x_shiftable_constant): New function.
7000 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
7001 (c4x_shiftable_constant): Declare.
7002 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
7003 ashlqi3_noclobber): Add new patterns and associated splitters.
7005 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
7007 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
7008 * dwarf2out.c (dwarf2out_frame_init): Likewise.
7009 * final.c (shorten_branches): Likewise.
7010 * global.c (global_alloc): Likewise.
7011 * haifa-sched.c (build_control_flow): Likewise.
7012 * stmt.c (check_for_full_enumeration_handling): Likewise.
7013 (estimate_case_costs): Likewise.
7015 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
7017 * rtl.h (RTL_CHECKC2): Fix typo in last change.
7019 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
7021 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
7022 (recompute_reg_usage): Likewise.
7023 * rtlanal.c (find_regno_fusage): Likewise.
7025 * rtl.c (rtl_check_failed_code1): New function.
7026 (rtl_check_failed_code2): New.
7027 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
7028 (RTL_CHECKC1, RTL_CHECKC2): New.
7029 (XC*): New accessor macros.
7030 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
7031 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
7032 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
7033 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
7034 (TRAP_*, RANGE_INFO_*): Likewise.
7036 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7038 * Makefile.in (tlink.o): Don't depend on toplev.h.
7040 * collect2.c (c_file, o_file, export_file, import_file, ldout,
7041 output_file, nm_file_name, ldd_file_name, strip_file_name,
7042 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
7043 add_prefix, prefix_from_env, prefix_from_string, do_wait,
7044 fork_execute, maybe_unlink, add_to_list,
7045 extract_init_priority, write_list, dump_list,
7046 dump_prefix_list, write_list_with_asm, write_c_file,
7047 write_c_file_stat, write_c_file_glob, scan_prog_file,
7048 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
7049 ignore_library, extract_string, notice, dump_file, target_machine,
7050 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
7051 read_file, print_load_command): Constify a char*.
7052 (fdopen, error, fatal, fatal_perror): Don't prototype.
7053 (my_strerror): Remove. All callers use xstrerror instead.
7054 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
7055 (main): Add prototype. Constify lots of char* ptrs. Change calls
7056 to xcalloc/strcpy/strcat/... to one call to concat.
7057 (main, scan_prog_file, scan_libraries): Use an intermediate
7058 `const char **' to build an argv array.
7059 (mapfile, libselect, libcompare, locatelib): Add prototypes.
7061 * collect2.h (collect_execute, collect_wait, dump_file,
7062 file_exists): Constify a char*.
7063 (ldout, c_file_name, temporary_obstack, permanent_obstack,
7064 temporary_firstobj, vflag, debug): Add extern declarations.
7065 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
7067 * tlink.c: Don't include toplev.h.
7068 (vflag, debug, ldout, c_file_name, temporary_obstack,
7069 permanent_obstack, temporary_firstobj): Don't declare.
7070 (tlink_execute, frob_extension, symbol_hash_lookup,
7071 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
7072 recompile_files, read_repo_files, demangle_new_symbols,
7073 scan_linker_output): Constify a char*.
7074 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
7075 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
7077 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
7079 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
7080 (relative) rather than jsr (absolute) subroutine call insns.
7081 * config/m68k/m68k-coff.h: Ditto.
7083 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
7085 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
7086 now rework these too.
7087 (arm_reorg): If an insn can't reach the end of the current pool,
7088 ensure that we emit that pool before the insn.
7090 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
7092 * tlink.c (scan_linker_output): Skip the initial underscore in
7093 a mangled name if appropriate.
7095 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7097 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
7098 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
7099 error_with_ivar, gen_declarator, create_builtin_decl,
7100 my_build_string, generate_descriptor_table, generate_ivars_list,
7101 generate_dispatch_table, check_protocols, TAG_GETCLASS,
7102 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
7103 dump_base_name, lang_decode_option, build_encode_expr,
7104 start_class, finish_class, encode_pointer, really_start_method,
7105 gen_declaration, dump_interface, handle_class_ref, handle_impent):
7107 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
7108 Add static prototypes.
7109 (build_objc_string_decl, build_selector_reference_decl,
7110 encode_bitfield, build_class_reference_decl): Remove unused
7111 parameter, all callers changed.
7112 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
7113 (objc_printable_name): Likewise. Change second parameter to type int.
7114 (init_objc): Use memcpy, not bcopy, to avoid casts.
7116 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
7118 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
7119 reg notes on a deleted insn.
7120 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
7122 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
7124 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
7126 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7128 * stmt.c (expand_asm_operands): Fix index into inout_mode when
7131 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
7133 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
7134 * tm.texi (MD_ASM_CLOBBERS): Document it.
7136 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
7138 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
7139 * except.c (expand_rethrow): Remove unused variable.
7140 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
7141 * flow.c (replace_insns): Likewise.
7142 (create_edge_list, verify_edge_list): Likewise.
7143 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
7145 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
7146 is special code to run.
7147 (main): Don't define operands to emit_operand.
7148 * genrecog.c (main): Don't emit an empty peephole2_insn function.
7150 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
7152 * alpha/alpha.h (normal_memory_operand): Declare.
7153 (reg_no_subreg_operand): Declare.
7154 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
7156 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
7158 * c-parse.in (compstmt_primary_start): New, broken out of first
7159 part of compstmt handling in primary.
7160 (primary): Use it. Add an error clause.
7161 (compstmt_nostart): Renamed from compstmt; remove all
7162 initial invocations of compstmt_start.
7165 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
7167 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
7170 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
7172 * combine.c (simplify_shift_const): Remove extra semicolon.
7173 * dwarf2out.c (remove_AT): Likewise.
7174 * expmed.c (expand_mult): Likewise.
7175 * gcov.c (create_program_flow_graph): Likewise.
7176 * reorg.c (mostly_true_jump): Likewise.
7178 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
7180 * fold-const.c (fold_range_test): Do not try to fold the range
7181 test if the rhs or lhs has side effects.
7183 * combine.c (simplify_rtx): Recognize another case of a synthesized
7186 * varasm.c (mark_constant_pool): When marking indirect references,
7187 only look at SYMBOL_REFs.
7189 * except.c (expand_fixup_region_end): Do not peek at
7190 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
7192 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
7194 * flags.h: New variables align_loops, align_loops_log,
7195 align_jumps, align_jumps_log, align_labels, align_labels_log,
7196 align_functions, align_functions_log.
7197 * toplev.c: Define them.
7198 (f_options): Handle -falign-* when they have no argument.
7199 (main): Add logic to set variables for -falign-functions,
7200 -falign-jumps, -falign-labels, -falign-loops.
7201 Make it -fsched-verbose=<n> and -finline-limit=<n>.
7202 (display_help): Change help to match options.
7203 * final.c (LABEL_ALIGN): Default to align_labels_log.
7204 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
7205 (LOOP_ALIGN): Default to align_loops_log.
7206 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
7207 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
7208 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
7209 * varasm.c (assemble_start_function): Handle align_functions.
7211 * config/sparc/sparc.h: Don't declare sparc_align_*.
7212 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
7213 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
7215 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
7217 * config/sparc/sparc.c: Delete sparc_align_loops,
7218 sparc_align_jumps, sparc_align_funcs and the corresponding string
7220 (sparc_override_options): Default align_functions on ultrasparc.
7221 Delete -malign-* handling.
7223 * config/mips/mips.c (override_options): On 64-bit targets,
7224 try to align code to 64-bit boundaries.
7225 (print_operand): New substitution, %~,
7226 which aligns labels to align_labels_log.
7227 * config/mips/mips.md (div_trap_normal): Use %~.
7228 (div_trap_mips16): Likewise.
7233 (ashldi3_internal): Likewise.
7234 (ashrdi3_internal): Likewise.
7235 (lshrdi3_internal): Likewise.
7236 (casesi_internal): Likewise.
7238 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
7240 Merge new ia32 backend from the branch!
7242 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
7243 See ChangeLog.P2 on new_ia32_branch for details.
7245 * rtl.h (stack_regs_mentioned_p): Delete prototype.
7246 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
7247 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
7248 * i386/gas.h (ASM_FILE_START): Define.
7249 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
7250 for name change of ix86_valid_decl_attribute_p.
7251 (i386_pe_valid_type_attribute_p): Similarly.
7253 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
7255 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
7256 to step through CC modes.
7258 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7260 * regmove.c (fixup_match_1): Don't move INSN in front of P if
7261 it would end up in the shadow of a live flags regsiter.
7263 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7265 * reload1.c: Fix many indentation problems.
7266 * reload.c: Likewise.
7268 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
7270 * alias.c (non_local_reference_p): Constify fmt.
7272 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
7274 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
7276 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
7278 * cse.c (delete_trivially_dead_insns): Do not delete stores to
7279 the internal_arg_pointer.
7281 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
7283 Merge peephole2 from new_ia32_branch:
7284 * Makefile.in (STAGESTUFF): Add *.peephole2.
7285 (mostlyclean): Likewise.
7286 (recog.o): Depend on resource.h.
7288 * final.c (peephole): Conditionalize decl on HAVE_peephole.
7289 (final_scan_insn): Likewise for the invocation of peephole.
7290 * genconfig.c (main): Look for peephole and peephole2 patterns.
7291 Emit HAVE_peephole* accordingly.
7292 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
7293 * flags.h (flag_peephole2): Declare.
7294 * toplev.c: New pass peephole2. New flag -fpeephole2.
7296 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
7297 * gencodes.c (main): Likewise.
7298 * genextract.c (main): Likewise.
7299 * genoutput.c (main): Likewise.
7300 * genemit.c (max_operand_1): Look for the max scratch operand.
7301 (gen_rtx_scratch): New.
7302 (gen_exp): Use it, and pass on new arg subroutine_type.
7303 (gen_expand): Take max scratch into account.
7304 (gen_split): Emit peephole2 functions.
7305 (output_peephole2_scratch): New.
7306 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
7307 * genrecog.c (routine_type): Add PEEPHOLE2.
7309 (make_insn_sequence): Match outer parallel for peep2. Discard
7310 top level scratches and dups.
7311 (add_to_sequence): New args insn_type and top. Update all callers.
7312 Handle toplevel peep2 matching insns.
7313 (write_subroutine): Handle peep2.
7314 (write_tree_1): Likewise.
7315 (write_tree): Likewise.
7317 (change_state): New arg afterward. Update all callers.
7318 Handle matching separate insns.
7319 * recog.c (recog_next_insn): New.
7320 (peephole2_optimize): New.
7321 * rtl.def (DEFINE_PEEPHOLE2): New.
7322 * resource.c (find_free_register): New argument last_insn. Use it
7323 to find a register available through the entire span.
7324 * resource.h (find_free_register): Update prototype.
7326 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
7328 * i386.c (output_strlen_unroll): Don't write xops[7]
7329 label if it wasn't set.
7331 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
7333 * cpplib.c (struct directive): Const-ify name pointer and
7334 function pointer prototype.
7335 (validate_else, do_define, do_line, do_include, do_undef,
7336 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
7337 do_elif, do_endif, do_sccs, do_assert, do_unassert,
7338 do_warning): Const-ify second arg.
7339 (directive_table): Mark const. Reorder entries by frequency
7340 of usage, record statistics.
7342 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
7344 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
7345 bounds- check RTL accesses if --enable-checking.
7346 (RTVEC_ELT): Bounds check if --enable-checking.
7347 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
7348 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
7349 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
7351 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
7352 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
7354 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
7355 (NOTE_SOURCE_FILE): Use X0STR.
7356 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
7357 MEM_ALIAS_SET): Use X0INT.
7358 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
7359 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
7361 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
7362 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
7363 (rtl_check_failed_bounds, rtl_check_failed_type1,
7364 rtl_check_failed_type2, rtvec_check_failed_bounds): New
7366 (fancy_abort): Fix comment.
7368 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
7369 (cse_insn): Decrement LABEL_NUSES for jump target before
7371 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
7372 * final.c (alter_subreg): Compute regno before changing x to
7373 REG; set REGNO(x) after changing it.
7374 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
7375 notes containing CONST_INTs.
7376 (delete_eh_regions): Use NOTE_EH_HANDLER.
7377 * function.c (put_reg_into_stack): Make reg a MEM before
7379 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
7381 (gen_mem_addressof): Make reg a MEM before initializing it.
7382 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
7384 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
7385 deleting an insn, not after.
7386 (block_alloc): Only look at PATTERN(insn) if we have to, and
7387 only if it's format class 'i'.
7388 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
7389 CONST_INT before using its INTVAL.
7390 * print-rtl.c (print_rtx): Use X0STR.
7391 * regmove.c (fixup_match_1): Don't look at PATTERN of
7392 non-class-'i' insn chain elements.
7393 * reload.c (loc_mentioned_in_p): Take address of
7394 in->fld[1].rtx directly.
7395 * reload1.c (reload): Change reg to a MEM before initializing
7397 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
7399 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
7401 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
7403 * config/mips/mips.c (machine_dependent_reorg): Force a
7404 barrier to output the local constant pool if a barrier hasn't
7405 been found at a natural point in the instruction stream.
7407 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7409 * c-parse.in (language_string): Constify.
7411 * dwarf2out.c (language_string): Remove declaration.
7413 * dwarfout.c (language_string): Likewise.
7415 * toplev.c (language_string, init_parse, finish_parse): Likewise.
7417 * tree.h (language_string, init_parse, finish_parse): Declare.
7419 * i386/sun386.h (language_string): Remove declaration.
7421 * mips.h (language_string): Likewise.
7423 * nextstep.h (language_string): Likewise.
7425 * nextstep21.h (language_string): Likewise.
7427 * rs6000.c (language_string): Likewise.
7429 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7431 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
7432 (getpwd.o): Remove target.
7434 * getpwd.c: Delete file. Its in libiberty now.
7436 * dbxout.c (getpwd): Don't prototype.
7437 * dwarf2out.c (getpwd): Likewise
7438 * dwarfout.c (getpwd): Likewise
7439 * final.c (getpwd): Likewise.
7440 * protoize.c (getpwd): Likewise.
7442 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7444 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
7446 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
7448 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
7451 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
7453 * fixinc/Makefile.in (subdir): New.
7454 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
7457 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
7459 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
7460 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
7463 * invoke.texi: Fix typo.
7465 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
7466 changed. Handle autoincrement addressing modes.
7468 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
7469 just like we would the virtual incoming args register when
7472 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
7474 * rs6000.h (ASM_FILE_START): Specify complete filename, including
7475 path, in .file directive.
7477 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
7479 * gcc.texi (External Bugs): Remove obsolete note about Perl on
7482 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
7484 * stdbool.h: Make the typedef name _Bool, with bool a #defined
7487 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7489 * tree.c (tree_code_name): Constify a char*.
7491 * tree.h (tree_code_name, decl_printable_name): Likewise.
7493 * function.h (struct function): Likewise.
7495 * toplev.c (decl_name, decl_printable_name): Likewise.
7497 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
7499 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
7500 (init_objc): Remove function pointer cast.
7502 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
7504 * pa.md (interspace_jump): New pattern.
7505 (builtin_longjmp): New expander.
7507 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
7509 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
7510 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
7511 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
7513 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
7515 * jump.c (delete_prior_computation): Also check calls
7516 to constant functions. Don't bother checking for a
7517 REG_UNUSED note before adding it.
7518 (delete_computation): Handle multi-word hard registers
7519 when synthesizing missing REG_DEAD notes for a register
7520 which is both set and used by an insn.
7522 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7524 * loop.c (this_loop_info): New variable.
7525 (loop_has_call, loop_has_volatile, loop_has_tablejump,
7526 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
7528 (prescan_loop, strength_reduce): New argument loop_info. All callers
7530 (scan_loop): New variable loop_info, initialise to address of
7532 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
7533 Delete variable loop_has_multiple_exit targets and replace with
7534 field in this_loop_info.
7535 (find_and_verify_loops): Rename this_loop to this_loop_num.
7536 (strength_reduce): Delete loop_iteration_info. Replace variable
7537 loop_info with function argument of same name.
7538 (insert_bct): Rework test for loop being completely unrolled.
7540 * loop.h (struct loop_info): New fields num, loops_enclosed,
7541 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
7542 has_indirect_jump, and cont. Redefine use of unroll_number.
7543 (loop_unroll_number): Delete.
7545 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
7547 (loop_iterations): Delete variable vtop and instead use
7548 loop_info->vtop computed in prescan_loop.
7550 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
7552 * fix-header.c (main): Do not pass a null pointer to strcmp.
7554 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
7556 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
7558 * configure: Rebuilt.
7560 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
7562 * jump.c (jump_optimize_1): Do not delete assignments to
7563 internal_arg_pointer.
7564 * cse.c (delete_trivially_dead_insns): Always consider a set of
7565 the internal_arg_pointer live.
7567 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
7569 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
7570 (update_life_info) [REG_WAS_0]: Search the original insns rather
7571 than the new insns for the note. Fix typos finding note_dest.
7572 If no dest found, discard the note rather than abort.
7573 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
7574 (replace_insns): Remove the old insn list after update_life_info
7577 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
7579 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
7581 (sched_analyze_1): Let add_dependence care for not adding dups.
7582 (sched_analyze_2): Likewise.
7583 (add_branch_dependences): Likewise.
7585 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
7587 * i386/winnt.c (export_list): New type.
7588 (exports_head): Rename to
7589 (export_head): this.
7590 (i386_pe_record_exported_symbol): Add is_data flag.
7591 (i386_pe_asm_file_end): Emit directive for exported variables.
7592 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
7594 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
7595 (ASM_DECLARE_OBJECT_NAME): Likewise.
7596 (ASM_DECLARE_FUNCTION_NAME): Likewise.
7597 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
7599 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
7601 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
7603 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
7606 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
7608 * config/openbsd.h: Define SET_ASM_OP.
7609 * tm.texi: cross-reference SET_ASM_OP in the index.
7611 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
7613 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
7614 for a CONST_DOUBLE, at compile time. Initialize rtx_length
7615 and class_narrowest_mode at compile time. Kill init_rtl.
7616 Mark rtx_length, mode_class, mode_size, mode_unit_size,
7617 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
7618 rtx_format as const. Kill all references to EXTRA_CC_MODES or
7620 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
7622 * rtl.h: Declare rtx_length and rtx_format as const.
7623 * machmode.def: Define CC(). Use CC() to define CCmode. If
7624 EXTRA_CC_MODES is defined, expand it here.
7625 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
7626 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
7627 const. Kill all references to EXTRA_CC_MODES.
7629 * toplev.c: Don't prototype or call init_rtl.
7630 * optabs.c: Don't call init_mov_optab.
7631 * genemit.c: Don't generate init_mov_optab. Don't call
7633 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
7635 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
7636 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
7637 genrecog.c: Don't call init_rtl.
7639 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
7640 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
7641 definition of EXTRA_CC_MODES.
7643 * md.texi: Kill ref to EXTRA_CC_NAMES.
7644 * tm.texi: Document new way to define EXTRA_CC_MODES.
7646 * genrecog.c: Do not look up the name of a define_split.
7649 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
7651 * config/v850/v850.md: Fix typo introduced by previous delta.
7653 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7655 * gcc.c (fatal): Make definition static to match prototype.
7657 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7659 * combine.c (get_last_value): Don't look for earlier sets if the last
7660 known set is somewhere in between the insns being combined.
7662 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
7664 * configure.in: Don't use shell ! to negate exit codes
7665 * configure: Regenerate
7667 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
7669 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
7670 the fact that ALIGN is measured in bits, not bytes.
7672 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
7674 * errors.c: New file; defines functions error, warning, and
7675 fatal, variables have_error and progname.
7676 * errors.h: New file; prototypes and decls for stuff in errors.c.
7678 * Makefile: Add rules to build errors.o and
7679 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
7680 genopinit, genrecog, genextract, genpeep, genattr, and
7681 genoutput with errors.o. Add errors.h to deps of genconfig.o,
7682 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
7683 genpeep.o, genattr.o, and genoutput.o.
7685 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
7686 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
7687 define or prototype fatal. Set progname at beginning of main.
7688 * genoutput.c: Likewise, and don't define or prototype error
7691 * c-typeck.c (c_expand_start_case): Return immediately if exp
7693 * fold-const.c (operand_equal_p): Return immediately if arg1
7694 or arg0 are ERROR_MARKs.
7695 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
7696 fields of type ERROR_MARK when calculating if the record can
7699 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
7700 with much help from Jeffrey A Law and Richard Henderson
7702 * i386.md: In the 6 insns which call output_fix_trunc,
7703 earlyclobber operands[0].
7705 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
7707 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
7708 creating new registers.
7710 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
7712 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
7713 i386_reg_alloc_order, i386_regparm_string,
7714 i386_align_loops_string, i386_align_jumps_string,
7715 i386_align_funcs_string, i386_preferred_stack_boundary_string,
7716 and i386_branch_cost_string as type "const char *".
7717 * i386.c: Define all above strings as type "const char *".
7719 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
7721 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
7722 when emitting alignment padding. Emit padding byte of 0 instead of 4.
7724 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
7726 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
7727 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
7729 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
7731 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
7732 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
7733 (dwarf2out_line, dwarf2out_finish): Likewise.
7734 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
7736 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
7738 * tree.c (lang_unsave_expr_now) : Correct return type.
7739 * tree.h (lang_unsave_expr_now) : Same.
7741 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
7743 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
7744 instead of duplicating code.
7746 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7748 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
7750 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
7752 * tree.h: fancy_abort always takes three args.
7753 * resource.c: Move include of system.h before toplev.h.
7755 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
7757 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
7760 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
7762 * system.h: Don't redefine abort or trim_filename.
7763 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
7764 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
7765 whether or not __FUNCTION__ is available.
7766 * tree.h: Duplicate rtl.h's definition of abort, for files
7767 that don't include rtl.h. Delete all code to perform type
7768 checking with a compiler other than GCC.
7769 * varray.h: Delete all code to perform type checking with a
7770 compiler other than GCC. Make VARRAY_CHECK() always evaluate
7771 its arguments exactly once, using a statement expression.
7772 Adjust the VARRAY_<type> accessor macros to match.
7773 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
7774 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
7775 caller's location. Define fatal_insn and fatal_insn_not_found
7776 as macros that use _fatal_insn and _fatal_insn_not_found.
7777 (fancy_abort, trim_filename): Kill prototypes.
7779 * rtl.c (trim_filename): Move here from toplev.c.
7780 (fancy_abort): New function.
7781 (DIR_SEPARATOR): Provide default definition.
7782 * tree.c (tree_check_failed, tree_class_check_failed): Go
7783 through fancy_abort.
7784 (tree_check, tree_class_check, cst_or_constructor_check,
7785 expr_check): Delete.
7786 * varray.c (varray_check_failed): New function.
7787 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
7788 _fatal_insn and _fatal_insn_not_found. Go through
7790 (trim_filename, fancy_abort): Delete.
7792 * builtins.c (expand_builtin_args_info): Report ICE with abort.
7793 * except.c (start_catch_handler): Report ICE with error/abort
7795 * final.c (output_operand_lossage): Likewise.
7796 * flow.c (verify_flow_info): Likewise.
7798 * gcc.c: Prototype fatal.
7799 * gengenrtl.c: Undef abort after including rtl.h not system.h.
7800 * genattr.c, genattrtab.c, genemit.c, genextract.c,
7801 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
7802 Don't define fancy_abort.
7804 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
7806 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
7809 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
7811 * m88k.h (VERSION_INFO2): Kill.
7812 (VERSION_STRING): Kill.
7814 (VERSION_INFO1): Tidy.
7815 (TARGET_VERSION): Update.
7816 * m88k/dgux.h (VERSION_INFO2): Kill.
7817 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
7818 * m88k/luna.h (VERSION_INFO1): Tidy.
7819 * m88k/sysv4.h (VERSION_INFO1): Likewise.
7820 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
7821 (output_file_start): Adjust for death of VERSION_STRING.
7823 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
7825 * cpplib.c (detect_if_not_defined): New function.
7826 (do_if): Use it to detect potential once-only headers.
7828 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
7830 * c-common.c (combine_strings): Always set TREE_CONSTANT.
7832 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
7834 * combine.c (nonzero_bits) : Allow single-ly set registers to be
7835 anywere in the function only if they are pseudos and set before
7836 being used (not live at the start of the function).
7837 (num_sign_bit_copies) : Same.
7838 (get_last_value_validate) : Same.
7839 (get_last_value) : Same.
7841 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
7843 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
7844 where N and M are constant and N is an integer multiple of M.
7846 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
7848 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
7849 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
7850 sbitmap_union_of_preds): Add prototypes.
7851 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
7852 the intersection of successors with the new flow graph structures.
7853 (sbitmap_intersection_of_preds): New function to compute the
7854 intersection of predecessors with the new flow graph structures.
7855 (sbitmap_union_of_succs): New function to compute the union of
7856 successors with the new flow graph structures.
7857 (sbitmap_union_of_preds): New function to compute the union of
7858 predecessors with the new flow graph structures.
7859 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
7860 (expr_reaches_here_p): Use edge and basic_block structures instead
7861 of s_preds and s_succs.
7862 (compute_cprop_avinout): Use new sbitmap routines.
7863 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
7864 of s_preds and s_succs.
7865 * flow.c (compute_flow_dominators): Compute dominators using
7866 edges and basic blocks instead of s_preds and s_succs.
7868 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
7870 * lists.c (unused_insn_list, unused_expr_list): New file for
7871 maintaining various types of lists. New statics for maintaining a
7872 cache of available INSN_LIST and EXPR_LIST nodes.
7873 (free_list): Static function for freeing a list of INSN/EXPR nodes.
7874 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
7875 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
7876 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
7877 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
7878 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
7879 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
7880 (free_INSN_LIST_node): Free an individual INSN_LIST node.
7881 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
7882 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
7883 (remove_dependence, free_pending_lists): Use new global routines.
7884 (flush_pending_lists, sched_analyze_insn): Use new global routines.
7885 (sched_analyze, compute_block_backward_dependences): Use new routines.
7886 (sched_analyze_1, sched_analyze_2): Use new routines.
7887 (schedule_insns): Use new global routines.
7888 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
7890 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
7891 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
7893 * toplev.c (rest_of_compilation): Initialize node cache.
7894 * Makefile.in (OBJS): Add lists.o to list of object files.
7895 (lists.o): Add dependancies.
7897 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
7899 * config/v850/v850.md: Fix compile time warning messages.
7900 * config/v850/v850.c: Fix compile time warning messages.
7901 * config/v850/v850.h: Fix compile time warning messages.
7903 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7905 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
7906 Remove unused prototype for `init_lengths'.
7908 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7910 * calls.c (emit_call_1): Mark parameter `stack_size' with
7912 (expand_call): Initialize variable `insn'.
7913 (emit_library_call): Likewise for variable `high_to_save'.
7914 (emit_library_call_value): Likewise.
7915 (store_one_arg): Likewise for variables `lower_bound' and
7918 * combine.c (try_combine): Likewise for variables `i2_code_number'
7919 and `other_code_number'.
7920 (find_split_point): Likewise for variables `pos', `unsignedp' and
7922 (simplify_if_then_else): Likewise for variables `op' and `c1'.
7923 (simplify_and_const_int): Remove unused variable `width'.
7924 (merge_outer_ops): Likewise.
7926 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
7927 HOST_WIDE_INT' when comparing against one.
7928 (simplify_relational_operation): Likewise.
7929 (cse_insn): Initialize variables `src_eqv_volatile',
7930 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
7932 * final.c (init_final): Constify parameter `filename'.
7933 (final_start_function): Mark parameter `optimize' with
7935 (profile_function): Likewise for parameters `first' and `optimize'.
7936 (output_source_line): Likewise for parameter `file'.
7938 * integrate.c (subst_constants): Cast a value to `size_t' when
7939 comparing against one.
7940 (mark_stores): Initialize variable `mode'. Cast a value to
7941 `size_t' when comparing against one.
7943 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
7945 * loop.c (move_movables): Initialize variable `first'.
7946 (strength_reduce): Likewise for variable `increment'.
7947 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
7948 value to `size_t' when comparing against one.
7949 (load_mems): Initialize variable `end_label'.
7951 * output.h (init_final): Constify parameter.
7953 * reload.c (decompose): Initialize variable `base'.
7955 * reload1.c (reload): Likewise for variable `is_scalar'.
7956 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
7957 (choose_reload_regs): Initialize variable `mode'.
7958 (emit_reload_insns): Likewise for variable `store_insn'.
7959 (reload_cse_noop_set_p): Mark parameter `insn' with
7961 (reload_combine): Initialize variable `set'.
7963 * unroll.c (unroll_loop): Likewise for variable `local_label'.
7964 (copy_loop_body): Cast a value to `size_t' when comparing against
7967 * varasm.c (assemble_variable): Initialize variable `size_tree'.
7968 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
7969 (remove_from_pending_weak_list): Mark parameter `name' with
7972 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7974 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
7977 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
7979 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
7980 (ASM_DECLARE_FUNCTION_NAME): Define.
7981 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
7982 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
7983 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
7984 not already defined.
7986 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
7988 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
7989 of n_popped when call/call_value are not defined.
7991 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
7993 * tm.texi: GNU CC -> GCC conversion.
7994 (CC1_SPEC): Indicate it is used for all language front ends.
7996 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
7998 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
7999 NOTE_INSN_EH_REGION_END correctly.
8001 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
8002 Jeff Law <law@cygnus.com>
8004 * loop.c (strength_reduce): Automatically unroll loops if the
8005 unrolled loop size is smaller than the rolled loop size.
8007 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
8008 and delete comment that code should be rewritten.
8010 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
8012 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
8015 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
8017 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
8019 * fixinc/mkfixinc.sh: Don't fix uwin headers.
8020 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
8021 (LINK_SPEC): Add -u _main when building executables.
8022 (ASM_DECLARE_FUNCTION): Update from Cygwin.
8023 (ASM_FILE_END): Use the default for ix86-pe.
8024 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
8026 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
8028 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
8029 and ASM_CLOSE_PAREN are empty strings.
8031 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
8032 Geoffrey Keating <geoffk@cygnus.com>
8034 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
8035 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
8036 (unprotoize.o): Ditto.
8037 (test-protoize-simple): Don't define STD_PROTO_DIR.
8038 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
8039 changes to make 'test-protoize-simple' pass.
8040 (STD_PROTO_DIR): Remove define.
8041 (STANDARD_EXEC_PREFIX): Supply default define.
8042 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
8043 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
8044 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
8045 (GET_ENV_PATH_LIST): New macro.
8046 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
8047 (do_processing): Initialize default_syscalls_dir using new
8048 macros. Use it to initialize syscalls_absolute_filename.
8050 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
8052 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
8053 B into a register before emit_conditional_move.
8055 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
8057 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
8058 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
8059 multiplicand out of (+ (* a b) (* c d)).
8061 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
8062 Richard Henderson <rth@cygnus.com>
8064 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
8065 (new_insn_dead_notes): Likewise.
8066 (update_n_sets): Likewise.
8067 (update_flow_info): Move to flow.c, renamed to update_life_info;
8068 extend to handle multiple source insns.
8069 * flow.c: Include resource.h
8070 (unlink_insn_chain): New.
8071 (split_hard_reg_notes): New.
8072 (maybe_add_dead_note): New.
8073 (maybe_add_dead_note_use): New.
8074 (find_insn_with_note): New.
8075 (new_insn_dead_notes): New.
8076 (update_n_sets): New.
8077 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
8078 (maybe_remove_dead_notes): New.
8079 (update_life_info): New.
8080 (prepend_reg_notes): New.
8081 (replace_insns): New.
8082 * output.h (update_life_info): Declare.
8083 * recog.c (split_block_insns): Use update_life_info.
8084 * resource.c (find_free_register): Use reg_alloc_order, don't use
8085 fixed regs, make sure the mode is supported, don't use new regs.
8087 * rtl.h (replace_insns): Declare.
8089 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
8091 * expr.c (expand_expr): Cope with COND_EXPRs with one
8092 non-returning branch.
8094 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
8096 * expr.c (store_expr): Always pass down the target, even when not
8099 1999-08-24 Nick Clifton <nickc@cygnus.com>
8101 * configure.in: Define target_cpu_default for v850 targets.
8102 * configure: Regenerate
8104 * config/v850/v850.h (TARGET_CPU_generic): Define.
8105 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
8106 addresses are 4 byte aligned.
8108 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
8111 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8113 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
8114 (main): Add prototypes.
8116 * genattrtab.c (substitute_address, write_const_num_delay_slots,
8117 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
8118 (write_attr_get): Emit prototypes along with function definition.
8119 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
8120 (write_complex_function): Emit static prototype along with
8121 function definition.
8123 * genemit.c (gen_split): Emit prototypes along with function
8126 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
8127 Likewise for predicates and `insn_operand_predicate'.
8128 (process_template): Emit static prototype along with function
8131 * genrecog.c (make_insn_sequence): Constify a char*. Add
8132 prototypes for get_split_*().
8133 (write_subroutine): Emit prototypes along with function
8136 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8138 * gcse.c (find_avail_set): Follow chains of register-register copies.
8139 Use oprs_not_set_p to guarantee that the returned value can be
8141 (cprop_insn): Don't verify the return value of find_avail_set with
8144 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
8145 (cprop_cc0_jump): New function.
8146 (cprop_insn): Break out new function cprop_jump and use it.
8147 Also use cprop_cc0_jump for machines with CC0.
8148 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
8150 * tree.h (current_function_calls_setjmp,
8151 current_function_calls_longjmp): Delete declarations.
8152 * dsp16xx.c: Include "function.h".
8153 * elxsi.c: Likewise.
8154 * gmicro.c: Likewise.
8155 * h8300.c: Likewise.
8158 * mn10200.c: Likewise.
8159 * mn10300.c: Likewise.
8160 * ns32k.c: Likewise.
8164 * rtl.h (rtx_equal_function_value_matters): Declare.
8165 * toplev.c (rtx_equal_function_value_matters): Don't declare.
8167 * function.c: Likewise.
8168 * emit-rtl.c: Likewise.
8170 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
8172 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
8175 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8177 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
8180 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
8182 * cpp.texi: Add a node documenting macro varargs (copied
8185 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
8187 * cppspec.c: Put a null pointer at the end of the new argv.
8189 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
8191 * configure.in: Remove code to select/de-select the haifa
8192 scheduler. Every scheduled port gets haifa now.
8193 * configure: Rebuilt.
8194 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
8196 * Makefile.in: Corresponding changes.
8198 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8200 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
8201 All callers changed.
8202 (prepare_float_lib_cmp): Likewise.
8203 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
8204 * expr.h (emit_float_lib_cmp): Delete declaration.
8205 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
8206 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
8207 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
8209 (cmptf): Now conditional on TARGET_HARD_QUAD.
8211 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
8213 * resource.c (mark_target_live_regs): Use
8214 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
8216 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8218 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
8220 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
8222 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
8224 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8226 * rtl.h (rtx_format): Constify a char*.
8228 * rtl.c (rtx_format): Likewise.
8229 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
8230 (init_rtl): Use accessor macro, not `rtx_format'.
8232 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
8235 * caller-save.c (mark_referenced_regs): Likewise.
8237 * combine.c (subst, make_compound_operation, known_cond,
8238 gen_rtx_combine, update_table_tick, get_last_value_validate,
8239 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
8241 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
8242 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
8243 count_reg_usage): Likewise.
8245 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
8248 * final.c (leaf_renumber_regs_insn): Likewise.
8250 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
8251 dump_edge_info, count_reg_references): Likewise.
8253 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
8254 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
8257 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
8258 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
8259 add_label_notes): Likewise.
8261 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
8262 clear_struct_flag, count_sub_rtxs, count_alternatives,
8263 compares_alternatives_p, contained_in_p, walk_attr_value,
8264 write_expr_attr_cache): Likewise.
8266 * genconfig.c (walk_insn_part): Likewise.
8268 * genemit.c (max_operand_1, gen_exp): Likewise.
8270 * genextract.c (walk_rtx): Likewise.
8272 * genflags.c (num_operands): Likewise.
8274 * genoutput.c (scan_operands): Likewise.
8276 * genpeep.c (match_rtx): Likewise.
8278 * genrecog.c (add_to_sequence): Likewise.
8280 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
8283 * integrate.c (save_constants, copy_for_inline,
8284 copy_rtx_and_substitute, subst_constants, restore_constants):
8287 * jump.c (mark_jump_label, invert_exp, redirect_exp,
8288 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
8290 * local-alloc.c (contains_replace_regs, memref_referenced_p):
8293 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
8294 add_label_notes, replace_call_address, count_nonfixed_reads,
8295 invariant_p, find_single_use_in_loop, find_mem_givs,
8296 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
8299 * print-rtl.c (reg_names, print_rtx): Likewise.
8301 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
8303 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
8304 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
8305 print_blocks): Likewise.
8307 * regclass.c (fix_register, record_address_regs,
8308 reg_scan_mark_refs): Likewise.
8310 * regmove.c (stable_but_for_p): Likewise.
8312 * reload.c (loc_mentioned_in_p, operands_match_p,
8313 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
8314 copy_replacements, refers_to_regno_for_reload_p,
8315 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
8316 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
8319 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
8320 delete_address_reloads_1, count_occurrences,
8321 reload_cse_mem_conflict_p, reload_combine_note_use,
8322 add_auto_inc_notes): Likewise.
8324 * resource.c (mark_referenced_resources, mark_set_resources):
8327 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
8328 reg_mentioned_p, regs_set_between_p, modified_between_p,
8329 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
8330 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
8331 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
8332 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
8334 * sched.c (sched_analyze_2, attach_deaths): Likewise.
8336 * stupid.c (stupid_mark_refs): Likewise.
8338 * unroll.c (remap_split_bivs): Likewise.
8340 * varasm.c (mark_constants): Likewise.
8342 * a29k/a29k.c (uses_local_reg_p): Likewise.
8344 * alpha/alpha.c (summarize_insn): Likewise.
8346 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
8347 eliminate_lr2ip): Likewise.
8349 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
8351 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
8352 reg_mentioned_in_mem): Likewise.
8354 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
8355 symbolic_reference_mentioned_p): Likewise.
8357 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
8359 * sh/sh.c (regs_used, mark_use): Likewise.
8361 * vax/vax.c (vax_rtx_cost): Likewise.
8363 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8365 * machmode.h (mode_name): Constify a char*.
8367 * rtl.c (mode_name): Likewise.
8369 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
8371 * optabs.c (init_libfuncs): Constify a char*.
8373 * print-tree.c (mode_name): Remove redundant declaration.
8374 (print_node): Use accessor macro, not `mode_name'.
8376 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
8378 (new_spill_reg): Constify a char*.
8380 * tree.c (mode_name): Remove redundant declaration.
8382 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8384 * rtl.c (rtx_name): Constify a char*.
8386 * rtl.h (rtx_name, fix_sched_param): Likewise.
8388 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
8389 (mypr): Use accessor macro, not `rtx_name'.
8391 * genemit.c (print_code): Constify a char*.
8393 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
8395 * genpeep.c (print_code): Constify a char*.
8397 * genrecog.c (print_code): Likewise.
8399 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
8400 end_bb): Add static prototype.
8401 (draw_edge): Constify a char*.
8402 (end_bb): Remove unused parameter.
8404 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
8405 print_block_visualization): Constify a char*.
8407 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
8409 * c-common.c (c_get_alias_set): Update comment.
8411 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
8413 * linux.h (LIB_SPEC): Added.
8415 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8417 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
8419 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
8421 * tree.c (expr_check): Fix typo in last change.
8423 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
8425 * rtl.def (NOTE): Change format to "iuu0n".
8426 (ADDR_DIFF_VEC): Change format to "eEee0".
8427 (ADDRESSOF): Change format to "eit".
8429 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
8430 (RTVEC_ELT): Change to match.
8431 (XVECEXP): Use XVEC and RTVEC_ELT.
8432 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
8433 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
8434 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
8435 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
8436 TRAP_CONDITION, TRAP_CODE): Use XEXP.
8437 (INTVAL): Use XWINT.
8438 (ADDRESSOF_DECL): Use XTREE.
8439 (SET_ADDRESSOF_DECL): Delete.
8440 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
8441 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
8442 ifdefed out since 2.6 at least.
8443 (gen_rtvec_vv): Delete prototype.
8445 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
8447 (copy_most_rtx): Handle 't' format letter.
8448 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
8449 (gen_rtvec_vv): Delete function. All callers changed to use
8450 gen_rtvec_v instead.
8451 * print-rtl.c (print_rtx): Move special casing of NOTEs to
8452 the '0' format letter.
8454 * function.c (gen_mem_addressof): Don't use
8455 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
8457 * integrate.c (copy_rtx_and_substitute): Likewise.
8458 Copy 't' slots with XTREE.
8459 (subst_constants): Treat 't' slots like '[swi]' slots.
8460 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
8461 * jump.c (rtx_equal_for_thread_p): Likewise.
8462 * rtlanal.c (rtx_equal_p): Likewise.
8463 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
8464 only four arguments.
8465 * gengenrtl.c (type_from_format): Provide correct types for
8469 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
8470 If a recent gcc is in use (always in stage2 and beyond), use
8471 statement expressions, so we don't make a function call unless
8472 the check fails. Evaluate arguments exactly once.
8473 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
8474 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
8476 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
8477 they evaluate their arguments exactly once, irrespective of
8478 the compiler in use.
8480 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
8481 is used by the currently-enabled check macros. This is:
8482 (tree_check_failed, tree_class_check_failed): For gcc.
8483 (tree_check, tree_class_check, cst_or_constructor_check,
8484 expr_check): For other compilers.
8486 * gencheck.c: Do not define any *_CHECK1 macros.
8488 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
8489 Mark Mitchell <mark@codesourcery.com>
8491 * c-common.c (c_get_alias_set): Fix support for poitners and
8494 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
8496 * alias.c: Include tree.h.
8497 (nonlocal_reference_p, mark_constant_function): New functions.
8498 * flow.c (life_analysis): Call mark_constant_function.
8499 * rtl.h (mark_constant_function): Declare it.
8501 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
8503 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
8504 unrecognisable switches.
8506 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8508 * loop.c (recombine_givs): Set ix field after sorting.
8509 (recombine_givs): Remove bogus index / giv lockstep looping.
8511 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8513 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
8515 (emit_store_flag_force): Use do_compare_rtx_and_jump.
8516 (do_cmp_and_jump): Formatting fixes.
8517 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
8518 do_compare_rtx_and_jump instead of compare_from_rtx.
8519 (do_compare_rtx_and_jump): New function; mostly copied from
8521 (do_jump_for_compare): Delete.
8522 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
8524 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
8525 of compare/do_jump_for_compare pairs.
8526 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
8527 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
8528 compare_from_rtx/do_jump_for_compare pairs.
8529 (do_jump_by_parts_equality): Likewise.
8530 (do_jump_by_parts_equality_rtx): Likewise.
8531 * expr.h (do_compare_rtx_and_jump): Declare.
8532 * optabs.c (prepare_cmp_insn): New function, contains most of the code
8533 that used to be in emit_cmp_insn.
8534 (cmp_available_p): New function.
8535 (prepare_operand): New function.
8536 (emit_cmp_and_jump_insn_1): New function, contains some code that used
8537 to be in emit_cmp_insn.
8538 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
8539 parameters to be pointers; don't emit final compare but modify some of
8540 the values pointed to by the args so the caller can perform the
8542 (expand_binop): Call emit_store_flag_force with signed forms of
8544 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
8545 emit_jump_insn pair.
8546 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
8547 emit_cmp_and_jump_insn_1. Call emit_queue.
8548 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
8550 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
8551 jump sets cc0 before deleting it.
8552 * integrate.c (expand_inline_function): Likewise.
8553 * unroll.c (unroll_loop): Similar changes in several places.
8554 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
8557 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8559 * Makefile.in (insn-recog.o): Update dependencies.
8560 * genrecog.c (main): Make generated file include "function.h".
8562 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
8564 * cse.c (cse_insn): Call never_reached_warning when a jump is
8565 changed to be unconditional.
8566 * flags.h: Declare warn_notreached.
8567 * flow.c (delete_block): Call never_reached_warning when
8569 * jump.c (delete_barrier_successors): Call never_reached_warning
8570 when we delete everything after a BARRIER.
8571 (never_reached_warning): New function.
8572 * rtl.h: Declare never_reached_warning.
8573 * toplev.c (warn_notreached): New variable.
8574 (lang_independent_options): Set warn_notreached
8575 when -Wunreachable-code.
8576 (compile_file): We need line numbers for -Wunreachable-code.
8578 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
8580 * haifa-sched.c (insn_unit): Fix typo on out of range test.
8581 * sched.c (insn_unit): Likewise.
8583 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
8585 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
8587 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8589 * flow.c (create_edge_list): Use xmalloc, not malloc.
8591 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
8593 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
8594 C-style comments. Do not lose the character before double slash.
8596 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8598 * basic-block.h (struct edge_list): Stucture to maintain a vector
8600 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
8601 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
8602 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
8603 New function prototypes.
8604 * flow.c (create_edge_list): Function to create an edge list.
8605 (free_edge_list): Discards memory used by an edge list.
8606 (print_edge_list): Debug output showing an edge list.
8607 (verify_edge_list): Internal consistency check for an edge list.
8608 (find_edge_index): Function to find an edge index for a pred and succ.
8610 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
8612 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
8615 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
8617 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
8619 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8621 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
8623 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
8625 * toplev.c (rest_of_compilation): Allow machine dependent
8626 reorganisation pass to place information into the RTL dump
8627 file if it so wishes.
8629 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
8631 * explow.c (hard_function_value): Use VOIDmode instead of
8633 * stmt.c (expand_return): Likewise.
8634 * stor-layout.c (get_best_mode): Likewise.
8636 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
8637 emit call instead of emit_insn call.
8639 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
8641 * configure.in: Handle --disable/enable-win32-registry.
8642 * install.texi: Document --disable/enable-win32-registry.
8643 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
8644 (WIN32_REGISTRY_KEY): New macro.
8645 * prefix.c: Use to enable/disable win32-specific code.
8646 (lookup_key): Use versioned key.
8647 * configure: Regenerate.
8648 * config.in: Likewise.
8650 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
8652 * cpplib.c (read_line_number): New fn, split out of...
8655 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
8657 tree.c (lang_unsave_expr_now) : New.
8658 (unsave_expr_now): Call lang_unsave_expr_now.
8659 tree.h (lang_unsave_expr_now) : New.
8661 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
8663 * toplev.c (flag_new_exceptions): On by default.
8665 1999-08-13 Michael Meissner <meissner@cygnus.com>
8667 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
8669 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
8671 * dwarfout.c (fundamental_type_code): Return FT_boolean for
8672 INTEGER_TYPE with precision==1, it's __java_boolean.
8674 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8676 * global.c (prune_preferences): Move some invariants out of the
8679 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
8681 * configure.in (alpha*-dec-osf*): Add osf5.
8683 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
8685 * configure.in: Rework handling of ARM GNU/Linux slightly.
8686 (arm*-*-linux-gnuoldld): New target.
8687 * configure: Regenerate.
8688 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
8689 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
8690 * config/arm/linux-oldld.h: New file.
8691 * config/arm/linux-elf26.h: Don't include linux-elf.h.
8692 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
8694 * config/arm/linux-elf.h (ASM_SPEC): Define.
8695 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
8696 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
8697 for 26-bit APCS and old linker.
8698 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
8700 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
8701 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
8702 don't define `arm' or `arm_elf'.
8703 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
8704 MULTILIB_DIRNAMES): Define. Fix typo in comment.
8706 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
8708 * rtl.texi: Fix typo.
8710 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
8712 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
8714 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
8716 * extend.texi (C++ Signatures): Remove node.
8717 * invoke.texi: Remove discussion of -fhandle-signatures,
8718 signature, sigof, __signature__, and __sigof__.
8720 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
8722 * Makefile.in (JAVAGC): Removed.
8724 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
8726 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
8728 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
8730 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
8732 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
8734 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
8735 a register that is already known to be a pointer.
8737 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
8739 * fixinc/inclhack.tpl: Only install assert.h conditionally.
8740 * fixinc/inclhack.sh: Regenerated.
8741 * fixinc/fixincl.sh: Regenerated.
8743 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
8745 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
8746 Fix documentation of -ansi flag to describe its C++ behavior.
8747 Remove bogus reference to GCC 2.9.
8749 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
8751 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
8752 note if it is non-NULL.
8754 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8756 * except.h (eh_nesting_info): Add new structure defintion.
8757 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
8758 (reachable_handlers, update_rethrow_references): Add function
8760 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
8761 a rethrow symbol instead of an integer exception region number.
8762 * flow.c (Make_edges): Use new exception nesting routines to determine
8763 which handlers are reachable from a CALL or asynchronous insn.
8764 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
8766 (delete_eh_regions): Update rethrow labels, and don't delete
8767 regions which are the target of a rethrow.
8768 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
8769 avoid overloading the SYMBOL_REF_USED flag.
8770 (rethrow_symbol_map): Use new rethrow_ref field.
8771 (rethrow_used): Use new rethrow_ref field.
8772 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
8773 of an integer. Fix formatting.
8774 (output_exception_table_entry): Use new rethrow_ref field.
8775 (can_throw): Check for EH_REGION_NOTE before deciding
8776 whether a CALL can throw or not.
8777 (scan_region): Call rethrow_used() instead of accessing data structure.
8778 (update_rethrow_references): New function to make sure only regions
8779 which are still targets of a rethrow are flagged as such.
8780 (process_nestinfo): New static function to initialize a handler
8781 list for a specific region.
8782 (init_eh_nesting_info): New function to allocate and initialize
8783 the list of all EH handlers reachable from all regions.
8784 (reachable_handlers): New function to retrieve the list of handlers
8785 reachable from a specific region and insn.
8786 (free_eh_nesting_info): New function to dispose of a list of
8789 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
8791 * flow.c (split_edge): Set JUMP_LABEL field.
8792 (commit_one_edge_insertion): Set head correctly for insert_before.
8793 When inserting insns, update insn block numbers if allocated.
8795 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8797 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
8798 retry_incomplete_types): Add static prototype.
8799 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
8800 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
8801 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
8802 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
8803 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
8806 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
8807 dwarf2out_start_source_file, dwarf2out_line): Likewise.
8809 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8811 * output.h (assemble_name): Constify a char*.
8813 * varasm.c (UNIQUE_SECTION, assemble_start_function,
8814 assemble_variable, assemble_name): Likewise.
8816 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
8818 * arm/pe.c (arm_pe_unique_section): Likewise.
8820 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
8822 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
8824 * i386/interix.c (i386_pe_unique_section): Likewise.
8826 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
8828 * i386/winnt.c (i386_pe_unique_section): Likewise.
8830 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
8832 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
8834 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
8836 * pa/pa.c (output_call): Likewise.
8838 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
8840 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
8842 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
8845 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
8848 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
8850 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
8851 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
8853 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
8855 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8857 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
8859 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8861 * tree.h (lang_identify): Constify a char*.
8862 (print_error_function): Add extern prototype. Constify a char*.
8864 * c-lang.c (lang_identify): Constify a char*.
8866 * objc/objc-act.c (lang_identify): Constify a char*.
8868 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8870 * genpeep.c (main): Make generated file include "function.h".
8871 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
8873 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8875 * Makefile.in: Update dependencies.
8876 * alias.c: Include "function.h"
8877 * c-decl.c: Likewise.
8878 * caller-save.c: Likewise.
8879 * calls.c: Likewise.
8880 * combine.c: Likewise.
8882 * explow.c: Likewise.
8883 * final.c: Likewise.
8884 * global.c: Likewise.
8885 * graph.c: Likewise.
8886 * local-alloc.c: Likewise.
8888 * optabs.c: Likewise.
8889 * profile.c: Likewise.
8890 * recog.c: Likewise.
8891 * regclass.c: Likewise.
8892 * regmove.c: Likewise.
8893 * reload.c: Likewise.
8894 * reorg.c: Likewise.
8895 * resource.c: Likewise.
8896 * sched.c: Likewise.
8897 * stupid.c: Likewise.
8898 * config/1750a/1750a.c: Likewise.
8899 * config/a29k/a29k.c: Likewise.
8900 * config/arc/arc.c: Likewise.
8901 * config/arm/arm.c: Likewise.
8902 * config/arm/thumb.c: Likewise.
8903 * config/c4x/c4x.c: Likewise.
8904 * config/clipper/clipper.c: Likewise.
8905 * config/convex/convex.c: Likewise.
8906 * config/fx80/fx80.c: Likewise.
8907 * config/i860/i860.c: Likewise.
8908 * config/m68k/m68k.c: Likewise.
8909 * config/m88k/m88k.c: Likewise.
8910 * config/mips/mips.c: Likewise.
8911 * config/pdp11/pdp11.c: Likewise.
8912 * config/pyr/pyr.c: Likewise.
8913 * config/romp/romp.c: Likewise.
8914 * config/sh/sh.c: Likewise.
8915 * config/tahoe/tahoe.c: Likewise.
8916 * config/vax/vax.c: Likewise.
8917 * config/we32k/we32k.c: Likewise.
8918 * config/sparc/sparc.c: Include "function.h".
8919 (mem_min_alignment): Test current_function rather than
8920 regno_pointer_align.
8921 * config/pa/pa.c: Likewise.
8922 (compute_frame_size): Delete declaration of
8923 current_function_outgoing_args_size.
8924 * config/arc/arc.h (current_function_varargs): Delete declaration.
8925 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
8927 * config/i370/i370.h (current_function_outgoing_args_size): Delete
8929 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
8930 current_function_uses_pic_offset_table.
8931 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
8932 of current_function_returns_pointer.
8933 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
8934 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
8935 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
8936 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
8937 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
8938 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
8939 * config/m88k/m88k.c: Include "function.h"
8940 (call_used_regs, current_function_pretend_args_size,
8941 current_function_outgoing_args_size, frame_pointer_needed): Delete
8943 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
8945 * config/mips/mips.h (current_function_calls_alloca): Delete
8947 * config/mn10200/mn10200.h (current_function_needs_context,
8948 rtx_equal_function_value_matters): Delete declarations.
8949 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
8950 flag_pic): Delete declarations.
8951 * config/pa/pa.h (current_function_pretend_args_size,
8952 current_function_decl): Delete declarations.
8953 * config/pa/som.h (current_function_varargs): Delete declaration.
8954 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
8956 * config/pyr/pyr.h (current_function_pretend_args_size,
8957 current_function_args_size, current_function_calls_alloca): Delete
8959 * config/sh/sh.h (current_function_varargs): Delete declaration.
8960 * config/sparc/sparc.h (current_function_outgoing_args_size,
8961 current_function_calls_alloca, current_function_decl): Delete
8963 * config/spur/spur.h (current_function_pretend_args_size,
8964 current_function_calls_alloca): Delete declarations.
8965 * config/v850/v850.c (current_function_outgoing_args_size): Delete
8967 * config/vax/vms.h (current_function_name): Delete declaration.
8968 * gcse.c: Include "function.h".
8969 (current_function_name, current_function_calls_setjmp): Delete
8971 * haifa-sched.c: Include "function.h".
8972 (forced_labels): Delete declaration.
8974 * reg-stack.c: Likewise.
8975 * reload1.c: Likewise.
8976 * genemit.c (main): Make generated file include function.h.
8977 * genoutput.c (output_prologue): Likewise.
8979 * builtins.c (saveregs_value, apply_args_value): Delete variables.
8980 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
8981 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
8982 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
8983 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
8984 macros for some of them.
8985 (emit_filename, emit_lineno): Delete declarations.
8986 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
8987 regno_pointer_* variables through current_function.
8988 (gen_inline_header_rtx): Delete function.
8989 (save_emit_status): Delete function.
8990 (set_new_last_label_num): New function.
8991 (clear_emit_caches): New function.
8992 (restore_emit_status): Just clear last_labelnum and call
8994 (get_last_insn_anywhere): Variable sequence_stack is now accessed
8995 through macro seq_stack.
8996 (add_insn_after): Likewise.
8997 (add_insn_before): Likewise.
8998 (remove_insn): Likewise.
8999 (pop_topmost_sequence): Likewise.
9000 (in_sequence_p): Likewise.
9001 (start_sequence_for_rtl_expr): Likewise.
9002 (start_sequence): Likewise, and likewise for
9003 sequence_rtl_expr/seq_rtl_expr.
9004 (push_topmost_sequence): Likewise.
9005 (end_sequence): Likewise.
9006 (init_virtual_regs): Now takes a "struct emit_status *" argument.
9007 All callers changed. Store into that pointer instead of globals.
9008 (init_emit): Allocate emit elt of current_function.
9009 Changes for sequence_rtl_expr/sequence_stack renaming.
9010 Call clear_emit_caches instead of doing it in-line.
9011 Access regno_pointer_* variables through current_function.
9012 (init_emit_once) Don't clear sequence_stack.
9014 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
9016 (arg_pointer_save_area): Delete declaration.
9017 (finish_expr_for_function): Renamed from init_queue; no longer static.
9018 (init_expr): Don't call init_queue.
9019 (save_expr_status, restore_expr_status): Delete functions.
9020 (expand_expr): Changes to reflect new layout of struct function.
9021 Don't access current_function_check_memory_usage when current_function
9023 * expr.h (forced_labels, save_expr_regs, saveregs_value,
9024 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
9025 current_function_outgoing_args_size, current_function_arg_offset_rtx,
9026 current_function_uses_const_pool, function_call_count,
9027 current_function_uses_pic_offset_table, nonlocal_labels,
9028 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
9029 current_function_check_memory_usage, nonlocal_goto_handler_slots,
9030 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
9032 (finish_expr_for_function): Declare.
9033 * flags.h (current_function_has_nonlocal_label,
9034 current_function_has_nonlocal_goto, current_function_is_thunk,
9035 current_function_has_computed_jump): Delete declarations.
9036 * flow.c (forced_labels): Delete declaration.
9037 * function.c (current_function_pops_args,
9038 current_function_returns_struct, current_function_returns_pcc_struct,
9039 current_function_needs_context, current_function_calls_setjmp,
9040 current_function_calls_longjmp, current_function_has_nonlocal_label,
9041 current_function_has_nonlocal_goto, current_function_is_thunk,
9042 current_function_has_computed_jump, current_function_calls_alloca,
9043 current_function_contains_functions, current_function_returns_pointer,
9044 current_function_epilogue_delay_list, current_function_args_size,
9045 current_function_pretend_args_size, current_function_arg_offset_rtx,
9046 current_function_outgoing_args_size, current_function_varargs,
9047 current_function_stdarg, current_function_args_info, cleanup_label,
9048 current_function_name, current_function_uses_const_pool,
9049 current_function_instrument_entry_exit, current_function_return_rtx,
9050 current_function_uses_pic_offset_table, nonlocal_labels,
9051 current_function_internal_arg_pointer, current_function_cannot_inline,
9052 current_function_check_memory_usage, function_call_count,
9053 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
9054 nonlocal_goto_stack_level, return_label, save_expr_regs,
9055 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
9056 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
9057 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
9058 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
9059 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
9061 (push_function_context_to): Don't save them. Don't call
9062 save_storage_status, save_emit_status or save_expr_status.
9063 (pop_function_context_from): Don't restore them. Don't call
9064 restore_storage_status or restore_expr_status.
9065 (get_func_frame_size): New function.
9066 (get_frame_size): Use it.
9067 (assign_outer_stack_local): Reflect some member name changes in struct
9069 (put_reg_into_stack): Likewise.
9070 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
9072 (fixup_var_refs): Likewise.
9073 (fix_lexical_addr): Likewise.
9074 (trampoline_address): Likewise.
9075 (prepare_function_start): Clear field inlinable of current_function.
9076 (init_function_for_compilation): New function.
9077 (expand_dummy_function_end): New function.
9078 (expand_function_end): Call finish_expr_for_function.
9079 * function.h (struct emit_status): New; fields moved here from struct
9080 function and from global variables. Add accessor macros for some of
9082 (struct expr_status): Likewise.
9083 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
9084 (struct function): Add fields expr and emit, inlinable, inl_emit,
9085 original_arg_vector, original_decl_initial, inl_last_parm_insn,
9086 inl_max_label_num. Add many comments.
9087 Add accessor macros for all elts of struct function that no longer
9088 have a global variable.
9089 (cleanup_label, return_label, frame_offset, tail_recursion_label,
9090 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
9091 stack_slot_list): Delete declarations.
9092 (get_func_frame_size): Declare.
9093 (save_expr_status, restore_expr_status, save_emit_status,
9094 save_storage_status, restore_storage_status): Delete declarations.
9095 (init_virtual_regs): Declare.
9096 * output.h (current_function_pops_args,
9097 current_function_returns_struct, current_function_returns_pcc_struct,
9098 current_function_needs_context, current_function_calls_setjmp,
9099 current_function_calls_longjmp, current_function_calls_alloca,
9100 current_function_has_nonlocal_label, current_function_varargs,
9101 current_function_has_computed_jump, current_function_returns_pointer,
9102 current_function_contains_functions, current_function_args_size,
9103 current_function_pretend_args_size, current_function_stdarg,
9104 current_function_outgoing_args_size, current_function_args_info,
9105 current_function_name, current_function_return_rtx,
9106 current_function_epilogue_delay_list,
9107 current_function_uses_const_pool, current_function_cannot_inline):
9108 Delete declarations.
9109 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
9110 regno_reg_rtx): Delete declaration.
9111 (REGNO_POINTER_FLAG): Delete macro.
9112 * stmt.c (expand_goto): Changes to reflect that some fields in struct
9113 function were renamed.
9114 * stor-layout.c (save_storage_status, restore_storage_status): Delete
9116 * toplev.c: Include "function.h".
9117 (current_function_decl): Delete declaration.
9118 (compile_file): Call init_dummy_function_start and
9119 expand_dummy_function_end around some initializations that need to
9121 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
9122 Call init_function_for_compilation.
9123 * unroll.c: Include "function.h"
9124 (unroll_loop): Access regno_pointer_* variables through
9127 * tree.h (struct tree_decl): Add elt f to saved_insns member.
9128 (DECL_SAVED_INSNS): use it.
9129 (expand_dummy_function_end): Declare.
9130 (init_function_for_compilation): Declare.
9131 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
9132 that it's no longer an INLINE_HEADER.
9133 (expand_call): Likewise.
9134 * integrate.c (finish_inline): Delete function.
9135 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
9136 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
9137 args. Don't generate an INLINE_HEADER rtx, just return the arg
9138 vector. All callers changed.
9139 (save_for_inline_copying): Create a duplicate struct emit_status to
9140 hold the emit state for compiling the current function. Use this and
9141 the other new fields in struct function that are for integration
9142 instead of an INLINE_HEADER.
9143 Use memcpy instead of bcopy.
9144 Store the current struct function in DECL_SAVED_INSNS of fndecl.
9145 (save_for_inline_nocopy): Similar changes, except no new emit_status
9147 (expand_inline_function): Get information from function structure,
9148 not from an inline header rtx.
9149 (output_inline_function): Lose code to extract the necessary
9150 information from an inline header; simply put back the function
9151 structure into current_function. Clear its inlinable elt.
9152 * rtl.def (INLINE_HEADER): Delete.
9153 * rtl.h: Delete all accessors for an INLINE_HEADER.
9154 (gen_inline_header_rtx): Delete declaration.
9155 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
9156 Delete declarations.
9157 (REGNO_POINTER_ALIGN): Delete.
9158 (clear_emit_caches): Declare.
9159 (set_new_last_label_num): Declare.
9161 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
9163 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
9165 * except.c (expand_eh_region_start_for_decl): Always start a new block.
9166 * stmt.c (is_eh_region): Make sure current_function is present, too.
9168 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
9170 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
9171 for 64bit PA targets.
9173 * pa.h (SELECT_SECTION): Define.
9174 * som.h (SELECT_SECTION): Delete.
9176 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9178 * alias.c (init_alias_analysis): Wrap call to
9179 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
9181 1999-08-07 Bruce Korb <autogen@linuxbox.com>
9183 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
9184 <sys/asm.h> contains an asm comment with an apostrophe
9185 * fixinc/inclhack.sh: regen
9186 * fixinc/fixincl.x: regen
9188 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
9190 * function.c (init_function_start): Clear prologue & epilogue.
9191 (prologue_epilogue_contains): New function.
9192 * alias.c (init_alias_analysis): Use it.
9193 * rtl.h (prologue_epilogue_contains): Declare it.
9195 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
9197 * jump.c (onlyjump_p): New function.
9198 * rtl.h: Declare it.
9199 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
9200 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
9202 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
9204 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
9205 to invert loops. Simplify block scanning.
9207 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9209 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
9210 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
9212 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
9214 * config/sparc/liteelf.h: New file to support sparclite-elf target
9215 * config/sparc/t-sp86x: New file to support sparc86x targets
9216 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
9217 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
9218 * configure.in: Support above target triplets
9219 * configure: Regenerated
9221 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
9223 * fixinc/server.c (server_setup): Do not prefix function used as
9226 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
9228 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
9229 Remove fp reg alternatives.
9231 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
9233 * Makefile.in (TAROUTOPTS): Kill.
9234 (install-headers-tar): Use "xpf" for tar headerfile extraction
9235 * i370/x-oe (TAROUTOPTS): Delete.
9236 * m68k/x-apollo68 (TAROUTOPTS): Delete.
9237 * m68k/x-hp320 (TAROUTOPTS): Delete.
9238 * m68k/x-hp320g (TAROUTOPTS): Delete.
9239 * gcc.texi: Update bug reporting text.
9241 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9243 * reg-stack.c (change_stack) Fixed problem with negative array index.
9245 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
9247 * extend.texi, install.texi: Fix spelling mistakes.
9249 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
9250 (s-attrtab); No longer try to use pre-made insn-attrtab file.
9251 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
9253 * mips/t-ecoff: Likewise.
9254 * mips/t-elf: Likewise.
9255 * mips/t-mips: Likewise.
9256 * mips/t-osfrose: Likewise.
9257 * mips/t-r3900: Likewise.
9258 * mips/t-svr3: Likewise.
9259 * mips/t-svr4: Likewise.
9260 * mips/t-ultrix: Likewise.
9262 * gcc.texi: Document recommend means to provide software floating
9263 point libraries in libgcc.a
9265 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
9267 * c-lex.c (yylex): We can have a number with no digits.
9269 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
9271 * jump.c (delete_prior_computation): New function, broken
9272 out of delete_computation. Check for side effects with
9273 side_effects_p instead of FIND_REG_INC_NOTE. Handle
9274 multi-word hard registers.
9275 (delete_computation): Use it. Check for side effects with
9276 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
9277 missing REG_DEAD note for a register which is both set and
9280 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
9282 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
9283 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
9284 (ASM_FILE_START): Import _mcount with the right type.
9285 (ASM_DECLARE_FUNCTION_NAME): Define.
9286 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
9287 * pa.c (output_function_prologue): Always emit the function's label
9289 * pa.h (TEXT_SPACE_P): Define.
9290 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
9291 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
9292 * som.h (TEXT_SPACE_P): Delete.
9293 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
9294 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
9296 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
9298 * expr.c (emit_group_load): Allow src to be a CONCAT.
9300 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9302 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
9303 (___mulsi3): Use '!' comment character.
9305 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9307 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
9309 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
9311 * gcc.c: Update URLs and mail addresses.
9312 * gcc.texi: Likewise.
9314 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
9316 * rs6000.c (current_file_function_operand): Return zero for
9318 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
9320 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
9323 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
9325 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
9326 allocate space in the stack frame for the PIC register.
9328 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
9330 * m68k.md (xordi3, anddi3): These patterns are not available on
9333 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
9335 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
9336 (PUT_REAL): Likewise.
9338 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9340 * final.c (shorten_branches): Don't add an alignment for loops
9341 that have no label inside.
9343 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9345 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
9346 prototypes in macro HAVE_cmpstrsi.
9348 * cpplib.c (cpp_get_token): Remove unused label `op3'.
9350 * emit-rtl.c (operand_subword): Remove unused variable
9353 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
9355 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
9357 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
9359 * cpphash.c (macroexpand): Delete leading whitespace when arg
9360 is concatenated before.
9361 (unsafe_chars): Correct test for whether + and - can extend a
9364 * cppinit.c (cpp_start_read): Do dependencies for
9365 -include/-imacros files also.
9367 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
9368 tokenizing non-directive lines.
9369 (cpp_expand_to_buffer): Temporarily disable no-output mode.
9370 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
9373 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
9375 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
9377 * c-lex.c: Sync with C++ frontend.
9378 (linemode): New variable.
9379 (parse_float): imag, conversion_errno, and type are output only.
9380 (yylex): Adjust. Move initial '.' case into main switch.
9382 (handle_generic_pragma): Just deal with tokens.
9383 (readescape): Use ISXDIGIT and ISGRAPH.
9384 * c-parse.in: Add END_OF_LINE token.
9386 * c-lex.c (lang_init): Generalize.
9387 (nextchar): Remove. Replace uses with UNGETC.
9388 (skip_white_space): Handle linemode here. Optimize for cpplib.
9389 (skip_white_space_on_line): Remove.
9390 (extend_token_buffer_to): New fn.
9391 (extend_token_buffer): Use it.
9392 (read_line_number, check_newline): Just deal with tokens.
9393 (token_getch, token_put_back): New fns.
9394 (yylex): Use them. More cpplib optimizations. Simplify.
9396 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
9397 Jason Merrill <jason@yorick.cygnus.com>
9399 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
9400 (consume_string): Make this smart about USE_CPPLIB.
9401 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
9402 (yylex): Rewrite to be intelligent about USE_CPPLIB.
9403 Also, clean up cases where we redundantly set token_buffer[0].
9404 (read_line_number): New fn.
9405 (ignore_escape_flag): New variable.
9407 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
9409 * a29k/t-a29kbare: Fix some comments.
9410 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
9411 (FPBIT, DPBIT): Define.
9412 * a29k/t-vx29k: Likewise.
9413 * arc/t-arc: Likewise.
9414 * arm/t-arm-elf: Likewise.
9415 * arm/t-bare: Likewise.
9416 * arm/t-pe: Likewise.
9417 * arm/t-pe-thumb: Likewise.
9418 * arm/t-semi: Likewise.
9419 * arm/t-thumb: Likewise.
9420 * arm/t-thumb-elf: Likewise.
9421 * arm/t-thumb-linux: Likewise.
9422 * h8300/t-h8300: Likewise.
9423 * i960/t-i960: Likewise.
9424 * i960/t-vxworks960: Likewise.
9425 * m32r/t-m32r: Likewise.
9426 * mips/t-ecoff: Likewise.
9427 * mips/t-elf: Likewise.
9428 * mips/t-r3900: Likewise.
9429 * pa/t-pro: Likewise.
9430 * rs6000/t-aix43: Likewise.
9431 * rs6000/t-beos: Likewise.
9432 * rs6000/t-newas: Likewise.
9433 * rs6000/t-ppccomm: Likewise.
9434 * rs6000/t-rs6000: Likewise.
9435 * rs6000/t-winnt: Likewise.
9436 * rs6000/t-xnewas: Likewise.
9437 * rs6000/t-xrs6000: Likewise.
9438 * sh/t-sh: Likewise.
9439 * sparc/t-elf: Likewise.
9440 * sparc/t-sparcbare: Likewise.
9441 * sparc/t-sparclite: Likewise.
9442 * sparc/t-splet: Likewise.
9443 * v850/t-v850: Likewise.
9444 * mn10200/t-mn10200: Fix comments.
9445 * mn10300/t-mn10300: Likewise.
9447 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
9448 dummy operand. Allocate a new pseudo for the dummy operand.
9449 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
9451 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
9453 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
9455 * configure: Rebuilt.
9456 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
9458 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
9460 * recog.c (preproces_constraints): Zero recog_op_alt before
9461 processing the constraints.
9463 * arm.c (typedef minipool_node): Renamed from pool_node.
9464 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
9465 (add_minipool_constant): New function.
9466 (dump_minipool): New function.
9467 (find_barrier): Remove special case for getting the insn size of
9468 an insn that references the constant pool.
9469 (minipool_fixup): New structure.
9470 (push_minipool_barrier): New function.
9471 (push_minipool_fix): New function.
9472 (note_invalid_constants): New function.
9473 (add_pool_constant, dump_table, fixit, broken_move): Delete.
9474 (arm_reorg): Rewrite code to fix up the constant pool into a
9475 series of mini-pools embedded in the insn stream.
9476 (arm_output_epilogue): New function, made mainly from the body
9477 of output_func_epilogue.
9478 (output_func_epilogue): Move insn generation part of epilogue code
9479 to arm_output_epilogue.
9480 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
9481 * arm.md (pool_range): New attribute.
9482 (zero_extendqidi2): Add attribute pool_range.
9483 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
9484 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
9485 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
9486 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
9487 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
9488 (epilogue): New expand.
9489 (epilogue_insn): New insn. Call arm_output_epilogue.
9491 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
9492 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
9494 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
9496 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
9498 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
9500 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
9502 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
9504 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
9506 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
9508 * global.c: Fix comment.
9510 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
9512 * gcc.c (access_check): New static function.
9513 (find_a_file): Use it when searching a directory list.
9514 * collect2.c (find_a_file): Don't accept directories found when
9515 searching a directory list.
9517 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
9519 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
9520 function parameters with `&'.
9521 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
9523 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
9525 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
9526 or tidy_fallthru_edge if the last insn in the block is not
9527 an unconditional jump or a simple conditional jump.
9529 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9531 * Makefile.in (c-decl.o): Depends on defaults.h.
9533 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
9535 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
9537 (CLASS_MAX_NREGS): Likewise.
9539 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
9541 * cse.c (cse_insn): Fix dumb thinko in last change.
9543 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9545 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
9548 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
9550 * dwarf2out.c (add_location_or_const_value_attribute): Correct
9551 test for sizes of passed and declared parameter types.
9553 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9555 * fixincludes: Fix the return type of bsearch, char* -> void*.
9557 * fixinc/inclhack.def: Likewise.
9559 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
9561 * invoke.texi (-fdump-translation-unit): New option.
9563 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
9565 * expr.h (PROMOTE_PROTOTYPES): Move ...
9566 * defaults.h: ... to here.
9567 * c-decl.c: Include defaults.h instead of expr.h.
9568 * c-typeck.c: Include defaults.h.
9570 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
9572 * toplev.h (errorcount): Declare.
9573 (warningcount): Likewise.
9574 (sorrycount): Likewise.
9575 * c-lex.c (errorcount): Don't declare.
9576 * dwarf2out.c (errorcount): Don't declare.
9578 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
9580 * config/libgloss.h: Add a note discouraging use with ELF.
9581 * configure.in: Don't use libgloss.h for ELF targets.
9582 Always use_collect2 on a.out targets.
9584 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
9586 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
9587 (force_to_mode, case ASHIFTRT): Add shiftrt label.
9589 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9591 * loop.c (strength_reduce): When doing biv->giv conversion, update
9592 reg note of NEXT->insn.
9594 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
9596 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
9598 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
9600 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
9601 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
9602 Ensure expr.h is included.
9603 * c-typecheck.c (convert_arguments): Ditto.
9605 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
9607 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
9608 * config/convex/convex.h: Ditto.
9609 * config/dsp16xx/dsp16xx.h: Ditto.
9610 * config/fx80/fx80.h: Ditto.
9611 * config/gmicro/gmicro.h: Ditto.
9612 * config/i370/i370.h: Ditto.
9613 * config/i386/i386.h: Ditto.
9614 * config/m32r/m32r.h: Ditto.
9615 * config/m68k/m68k.h: Ditto.
9616 * config/m88k/m88k.h: Ditto.
9617 * config/mips/mips.h: Ditto.
9618 * config/pa/pa.h: Ditto.
9619 * config/pyr/pyr.h: Ditto.
9620 * config/tahoe/tahoe.h: Ditto.
9621 * config/we32k/we32k.h: Ditto.
9623 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
9626 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
9628 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
9631 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
9633 1999-08-02 Richard Henderson <rth@cygnus.com>
9635 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
9636 for the register spill block.
9638 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
9639 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
9641 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
9642 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
9643 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
9645 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
9647 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
9648 MAX_WCHAR_TYPE defined in sparc.h.
9649 * config/sparc/linuxaout.h: Likewise.
9650 * config/sparc/linux64.h: Likewise.
9651 Also default to -mvis if CPU is UltraSPARC.
9653 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
9655 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
9656 (RTX_OK_FOR_OLO10): Likewise.
9657 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
9658 %lo(), allow it in addresses...
9659 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
9660 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
9661 does not make sense.
9662 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
9663 (sparc_output_scratch_registers): New function.
9664 (output_function_prologue, sparc_flat_output_function_prologue): Use
9666 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
9668 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
9669 * configure.in: Add check for .register pseudo-op support in as and
9670 check for offsetable %lo().
9671 * acconfig.h: Add templates for the above checks.
9672 * configure: Regenerate.
9674 1999-08-02 Richard Henderson <rth@cygnus.com>
9676 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
9677 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
9678 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
9680 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9682 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
9685 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
9687 * config/float-sparc.h: New file.
9688 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
9689 sparc-*-linux-gnu and sparc64-*-linux*.
9691 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9693 * rs6000.c (rs6000_va_list): Type is an array.
9694 (rs6000_va_start): Don't doubly adjust for varargs.
9695 (rs6000_va_arg): Evaluate long long GPR adjustment.
9697 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
9699 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
9700 -maix64 and -maix32.
9701 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
9702 LINK_SPEC): Change appropriately.
9703 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
9704 (u_short_cint_operand): Likewise.
9705 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
9707 * rs6000/t-aix43 (MULTILIB): Change to -m64.
9709 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
9711 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
9713 * rs6000/rs6000.c (num_insns_constant_wide): Correct
9715 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
9716 (non_add_cint_operand): Likewise.
9717 (logical_operand): Likewise.
9718 (non_logical_cint_operand): Likewise.
9719 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
9720 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
9721 (rs6000_select_rtx_section): Suppress warning.
9722 (small_data_operand): Suppress warning.
9723 (rs6000_got_register): Suppress warning.
9724 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
9725 type, so `J' is generally the wrong constraint for a SImode value;
9727 (andsi3_internal2): Likewise.
9728 (andsi3_internal3): Likewise.
9729 (iorsi3_internal1): Likewise.
9730 (xorsi3_internal1): Likewise.
9732 (movsf_softfloat): Likewise.
9733 (scc insns): Likewise.
9734 (movsi+2): Preserve sign bits of SImode constant.
9735 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
9736 (movdf+1): Sign-extend properly.
9737 (movdi_32+1): Sign-extend properly.
9738 (scc insns): Sign-extend properly.
9740 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
9743 1999-08-02 Richard Henderson <rth@cygnus.com>
9745 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
9747 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
9748 * alpha.md (all fp insns): Likewise.
9750 1999-08-02 Nick Clifton <nickc@cygnus.com>
9752 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
9755 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
9757 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
9758 pic_load_label generator directly.
9759 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
9760 No longer a named pattern.
9762 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
9764 * explow.c (force_reg): Call force_operand if X does not
9765 satisfy general_operand.
9767 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
9769 * fix-header.c (main): When testing for CONTINUED, use string
9770 equality, not pointer equality.
9772 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
9774 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
9776 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
9778 * cse.c (cse_insn): Fix loop which deletes insns after a jump
9779 that has become an unconditional jump.
9781 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
9782 (output_function_epilogue): Similarly.
9784 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9786 * tree.h (init_dummy_function_start): Declare.
9788 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9790 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
9791 last_expr_type, last_expr_value, block_start_count, block_stack,
9792 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
9793 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
9794 dynamically in stmt elt of struct function for each function.
9795 (struct nesting): Rename function_call_count elt to n_function_calls,
9796 target_temp_slot_level to block_target_temp_slot_level. All users
9798 (struct stmt_status): New structure definition.
9799 Add many accessor macros for stmt_status elements which previously
9800 were global variables.
9801 (init_stmt_for_function): Allocate stmt elt for current_function.
9802 Reflect that block_start_count was renamed to
9803 current_block_start_count.
9804 (save_stmt_status, restore_stmt_status): Delete functions.
9805 (preserve_subexpressions_p): Don't access loop_stack when outside
9807 (expand_start_bindings): Reflect that block_start_count was renamed to
9808 current_block_start_count.
9809 (expand_fixup): Likewise.
9810 (expand_decl): Don't access block_stack when outside a function.
9811 (expand_decl_cleanup): Likewise.
9812 (expand_dcc_cleanup): Likewise.
9813 (expand_dhc_cleanup): Likewise.
9814 (expand_anon_union_decl): Likewise.
9815 (set_file_and_line_for_stmt): New function.
9816 (in_control_zone_p): New function.
9818 * function.h (struct function): Add new elt stmt.
9819 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
9820 case_stack, nesting_stack, nesting_depth, block_start_count,
9821 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
9822 emit_lineno, goto_fixup_chain.
9823 (save_eh_status, restore_eh_status, save_stmt_status,
9824 restore_stmt_status): Delete declarations.
9825 * function.c (push_function_context_to): Don't call save_stmt_status.
9826 (pop_function_context_to): Don't call restore_stmt_status.
9827 * tree.h (in_control_zone_p): Declare.
9828 * rtl.h (set_file_and_line_for_stmt): Declare.
9830 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
9831 call set_file_and_line_for_stmt.
9833 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
9835 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
9836 Also update copyright.
9838 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9840 * c-pragma.c: Don't include "except.h".
9841 * emit-rtl.c: Likewise.
9842 * stor-layout.c: Likewise.
9844 * varasm.c: Likewise.
9846 * flow.c: Include "function.h".
9847 * tree.h (init_dummy_function_start): Declare new function.
9849 * except.h (struct eh_status): New structure.
9850 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
9852 (eh_return_stub_label, ehstack, catchstack, ehqueue,
9853 catch_clauses, false_label_stack, caught_return_label_stack,
9854 protect_list, current_function_ehc): Add accessor macros for the
9855 corresponding fields in current_function->eh; delete declarations
9856 for all items that used to be declared here.
9857 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
9858 catch_clauses, false_label_stack, caught_return_label_stack,
9859 protect_list, current_function_ehc): Delete variables.
9860 (init_eh_for_function): Allocate current_function->eh.
9861 (save_eh_status, restore_eh_status): Delete functions.
9863 * function.h (struct function): Add fields next_global and eh.
9864 Delete all exception handling related fields.
9865 * function.c (current_function): New variable.
9866 (all_functions): New variable.
9867 (push_function_context_to): Don't allocate a struct function,
9868 use current_function instead. Call init_dummy_function_start when
9869 outside a function. Clear current_function before returning.
9870 (pop_function_context_from): Restore current_function.
9871 Don't free the restored struct function.
9872 (prepare_function_start): New function.
9873 (init_dummy_function_start): New function.
9874 (init_function_start): Break out some code into prepare_function_start
9877 * stmt.c (save_stmt_status): Don't call save_eh_status.
9878 (restore_stmt_status): Don't call restore_eh_status.
9880 * Makefile.in: Update dependencies.
9882 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
9884 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
9885 of depending on a magic constant value. Update comments.
9886 (hppa_expand_prologue): Similarly.
9888 * pa.md (reload_indi, reload_outdi): Allow any register for the
9889 original reload register.
9891 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
9893 * cccp.c (print_help): Change marcos to macros.
9895 1999-07-30 Richard Henderson <rth@cygnus.com>
9897 * c-typeck.c (initializer_constant_valid_p): Move ...
9898 * c-common.c (initializer_constant_valid_p): ... here. Use
9899 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
9901 * c-common.h (initializer_constant_valid_p): Declare.
9902 * c-tree.h (initializer_constant_valid_p): Remove.
9904 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
9906 * config/i386/sol2-c1.asm: Align the stack.
9907 * config/i386/sol2-gc1.asm: Likewise.
9909 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
9911 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
9912 -Asparclite for sparc86x.
9913 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
9915 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
9917 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
9919 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
9920 the user if using the non-default arch size in BI_ARCH configuration.
9921 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
9923 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
9924 Fix patterns so that they actually match.
9925 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
9926 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
9927 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
9929 (mulsidi3): Reflect this in the expand.
9930 (smulsi3_highpart): Only on TARGET_ARCH32.
9931 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
9932 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
9933 (umulsidi3): Reflect this in the expand.
9934 (umulsi3_highpart): Only on TARGET_ARCH32.
9935 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
9936 don't require g0 to be zero.
9937 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
9938 ({,u}divsi3): New expands.
9939 ({,u}divsi3_sp64): New patterns.
9940 (after lshrdi3_v8plus): Four new patterns to help combiner
9941 optimizing nested mixed mode shifts.
9943 * config/sparc/sparc.c (sparc_override_options): Use deprecated
9944 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
9945 speed things up. Don't use them by default on plain v9 in 64bit
9946 mode, according to what SPAMv9 sais.
9948 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
9949 top 32 bits of %[og][0-7] in signal handlers.
9950 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
9952 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
9954 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
9955 (ashlsi3): Corresponding changes.
9957 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
9959 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
9961 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
9963 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9965 * arm.h (Hint): Delete macro.
9966 Substitute HOST_WIDE_INT for Hint in some prototypes.
9967 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
9969 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
9971 * builtins.c (expand_builtin_setjmp): Use force_operand to
9972 make sure that the buffer address is in a suitable form to be
9973 passed to force_reg.
9975 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
9977 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
9980 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
9982 * pa.md (indirect_jump): Remove mode from match_operand. Verify
9983 proper mode in the condition string.
9984 (icacheflush, dcacheflush): Remove modes from match_operands.
9986 * pa.c (emit_move_sequence): Always convert scratch_reg to the
9987 proper mode before using it.
9989 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
9992 * pa.c (store_reg): Do not call add_high_const generator directly.
9993 (load_reg, set_reg_plus_d): Likewise.
9994 * pa.md (add_high_const): No longer a named pattern.
9996 * pa.c (legitimize_address): Consistently use Pmode rather than
9997 SImode. Do not call gen_pic2_highpart directly anymore.
9998 * pa.md (pic2_highpart): No longer a named pattern.
9999 (pic2_lo_sum): Similarly. Reformat to make more readable.
10001 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
10006 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10008 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
10010 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
10012 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
10013 and tag the spill mems.
10014 (hppa_va_start): New.
10015 (hppa_va_arg): New.
10016 * pa.h (EXPAND_BUILTIN_VA_START): New.
10017 (EXPAND_BUILTIN_VA_ARG): New.
10019 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
10021 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
10022 and tag the spill mems.
10023 (mn10300_va_start): New.
10024 (mn10300_va_arg): New.
10025 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
10026 (EXPAND_BUILTIN_VA_ARG): New.
10028 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
10030 * mn10200.c (mn10200_va_arg): New.
10031 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
10033 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
10035 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
10036 rather than play with TREE_INT_CST_LOW.
10038 1999-07-27 Philip Blundell <pb@nexus.co.uk>
10040 * config/arm/telf.h: Include dbxelf.h.
10041 (CPP_PREDEFINES): Only define if not already defined.
10042 (ASM_IDENTIFY_GCC): Likewise.
10043 (SUBTARGET_EXTRA_SECTIONS): Likewise.
10044 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
10045 * config/arm/thumb.h (LINK_SPEC): Only define if not already
10047 (DBX_DEBUGGING_INFO): Don't define.
10048 * config/arm/linux-telf.h: New file.
10049 * config/arm/linux-tgas.h: New file.
10050 * config/arm/t-thumb-linux: New file.
10051 * config/arm/uclinux-elf.h: New file.
10052 * config/arm/uclinux-telf.h: New file.
10053 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
10054 thumb-*-uclinux): New targets.
10055 * configure: Regenerate.
10057 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
10059 * pa.md (post_store, pre_load): New expanders.
10060 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
10061 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
10062 need to directly generate RTL for them.
10063 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
10066 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
10068 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
10069 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
10070 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
10071 (secndary_reload_class): Make TARGET_ELF conditional compile.
10072 (print_operand_address): Similar.
10073 (output_toc): Print all values as hex.
10074 (get_issue_rate): Rearrange and add RS64A and PPC630.
10075 * rs6000.h (processor_type): Add RS64A and PPC630.
10076 (PROCESSOR_POWERPC64): New.
10077 (PROMOTE_MODE): Use word_mode.
10078 (RTX_COSTS): Add RS64A and PPC630.
10079 * rs6000.md (scheduling information): Add lmul and ldiv
10080 representing 64-bit integer multiply and divide. Add rs64a and
10081 PPC630 information.
10082 (ashldi3): Add support for "rldic" instruction.
10083 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
10085 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
10087 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
10088 instead of V8 for sparclite86x in cpu_table.
10090 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10092 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
10093 output_file_directive.
10095 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
10097 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
10098 tree for op1, not the rtl.
10100 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
10102 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
10103 to m88k_va_start, leaving only the register spill.
10104 (m88k_build_va_list): New.
10105 (m88k_va_start): New.
10106 (m88k_va_arg): New.
10107 * m88k.h (BUILD_VA_LIST_TYPE): New.
10108 (EXPAND_BUILTIN_VA_START): New.
10109 (EXPAND_BUILTIN_VA_ARG): New.
10111 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
10113 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
10114 Rename from expand_builtin_saveregs.
10115 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
10117 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
10119 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
10120 for the register spill block.
10121 (i960_build_va_list): New.
10122 (i960_va_start): New.
10123 (i960_va_arg): New.
10124 * i960.h (BUILD_VA_LIST_TYPE): New.
10125 (EXPAND_BUILTIN_VA_START): New.
10126 (EXPAND_BUILTIN_VA_ARG): New.
10127 * i960.md (store_multiple): Use change_address on individul mems.
10129 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
10131 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
10133 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
10134 (expand_builtin_va_end): Evaluate arg for side effects.
10135 * c-common.c (c_common_nodes_and_builtins): Construct a
10136 va_list_arg_type_node to handle array decomposition to pointer.
10138 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
10140 * except.c (start_dynamic_cleanup): Use force_operand on the
10143 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
10145 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
10146 * c4x.c (c4x_va_arg): New.
10148 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
10150 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
10151 has manual_pop set.
10153 1999-07-26 Nathan Sidwell <nathan@acm.org>
10155 * eh-common.h (__eh_matcher): Prototype correctly.
10157 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
10159 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
10160 (TARGET_SINGLE_PIC_BASE): Likewise.
10161 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
10163 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
10164 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
10165 (TARGET_OPTIONS): Add -mpic-register=N.
10166 (OUTPUT_INT_ADDR_CONST): New macro.
10167 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
10168 LEGITIMATE_PIC_OPERAND_P): Likewise.
10169 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
10170 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
10171 output_addr_const directly.
10172 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
10174 (thumb_pic_register, thumb_pic_register_string): Declare.
10176 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
10178 (label_mentioned_p): New function: Imported from arm.c.
10179 (legitimize_pic_address): New function: Imported from arm.c.
10180 (is_pic):New function: Imported from arm.c.
10181 (thumb_finalize_pic):New function: Imported from arm.c.
10182 (add_constant): Cope with PIC constants.
10183 (fixit): Cope with PIC constants.
10184 (output_return): Do not treat the PIC register as live if
10185 TARGET_SINGLE_PIC_BASE is true.
10186 (thumb_function_prologue): Do not treat the PIC register as live if
10187 TARGET_SINGLE_PIC_BASE is true.
10188 (thumb_expand_prologue): Do not treat the PIC register as live if
10189 TARGET_SINGLE_PIC_BASE is true.
10190 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
10191 TARGET_SINGLE_PIC_BASE is true.
10192 (thumb_print_operand): Accept '|'.
10193 (thumb_override_options): Process PIC options.
10195 * config/arm/thumb.md (movsi): Support PIC.
10196 (call_insn): Change "i" constraint to "X".
10197 (call_value_insn): Likewise.
10198 (consttable_4, consttable_8, consttable_end): Set and clear
10199 "making_const_table" as appropriate.
10200 (pic_load_addr, pic_add_dot_plus_four): New insns.
10202 * invoke.texi (Thumb Options): Fix spelling. Document new
10203 options -msingle-pic-base and -mpic-register=.
10205 1999-07-26 Andrew Haley <aph@cygnus.com>
10207 * config/m32r/initfini.c (__init): Use a full word immediate for
10208 __fini: this allows it to be placed in any memory region.
10210 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
10211 -mmodel=medium. This is OK for all memory models.
10213 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
10215 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
10216 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
10218 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
10220 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
10223 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
10225 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
10227 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
10228 (BUILD_VA_LIST_TYPE): New.
10229 (EXPAND_BUILTIN_VA_START): New.
10230 (EXPAND_BUILTIN_VA_ARG): New.
10231 * i860.c (output_delayed_branch): Disable.
10232 (output_delay_insn): Likewise.
10233 (i860_saveregs): New.
10234 (i860_build_va_list): New.
10235 (i860_va_start): New.
10236 (i860_va_arg): New.
10237 * i860.md: Disable all peepholes using output_delayed_branch.
10238 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
10240 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
10242 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
10243 (BUILD_VA_LIST_TYPE): New.
10244 (EXPAND_BUILTIN_VA_START): New.
10245 (EXPAND_BUILTIN_VA_ARG): New.
10246 * clipper.c (clipper_builtin_saveregs): Only dump registers.
10247 Return the address of the save area.
10248 (clipper_build_va_list): New.
10249 (clipper_va_start): New.
10250 (clipper_va_arg): New.
10252 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
10254 * arc.h (EXPAND_BUILTIN_VA_START): New.
10255 (EXPAND_BUILTIN_VA_ARG): New.
10256 * arc.c (arc_setup_incoming_varargs): Set alias set of
10258 (arc_va_start): New.
10261 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
10263 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
10264 (BUILD_VA_LIST_TYPE): New.
10265 (EXPAND_BUILTIN_VA_START): New.
10266 (EXPAND_BUILTIN_VA_ARG): New.
10267 * alpha.c (alpha_builtin_saveregs): Delete.
10268 (alpha_build_va_list): New.
10269 (alpha_va_start): New.
10270 (alpha_va_arg): New.
10272 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
10274 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
10276 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
10277 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
10279 * gcc.texi: More changes related to list conversion.
10280 * invoke.texi: Likewise.
10282 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
10284 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
10285 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
10286 (expand_builtin_next_arg): Accept ARGLIST not EXP.
10287 (stabilize_va_list): New function.
10288 (std_expand_builtin_va_start): New function.
10289 (expand_builtin_va_start): New function.
10290 (get_varargs_alias_set): New function.
10291 (std_expand_builtin_va_arg): New function.
10292 (expand_builtin_va_arg): New function.
10293 (expand_builtin_va_end): New function.
10294 (expand_builtin_va_copy): New function.
10295 (expand_builtin): Call them.
10296 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
10297 __builtin_{varargs_start,stdarg_start,end,copy}.
10298 (build_va_arg): New function.
10299 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
10300 (build_va_arg): Declare.
10301 * c-decl.c (ptr_type_node, va_list_type_node): New.
10302 * c-parse.gperf (__builtin_va_arg): New.
10303 * c-parse.in (VA_ARG): New token.
10304 (unary_expr): Recognize it.
10305 * expr.c (expand_expr): Expand VA_ARG_EXPR.
10306 * expr.h (std_expand_builtin_va_start): Declare.
10307 (std_expand_builtin_va_arg): Declare.
10308 (expand_builtin_va_arg): Declare.
10309 (get_varargs_alias_set): Declare.
10310 * tree.def (VA_ARG_EXPR): New.
10311 * tree.h (BUILT_IN_VARARGS_START): New.
10312 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
10313 (ptr_type_node, va_list_type_node): Declare.
10314 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
10315 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
10316 * m88k.h, m88k.c: Likewise.
10317 * mn10300.h, mn10300.c: Likewise.
10318 * pa.h, pa.c: Likewise.
10319 * rs6000.h, rs6000.c: Likewise.
10320 * sh.h, sh.c: Likewise.
10321 * sparc.h, sparc.c: Likewise.
10323 * emit-rtl.c (operand_subword): Copy alias set.
10324 (change_address): Likewise.
10326 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
10328 * pa.c (compute_frame_size): Scan all the used callee saved registers,
10329 not just the first one.
10331 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
10333 * config/arm/arm.h (TARGET_SWITCHES): Add
10334 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
10335 (TARGET_OPTIONS): Add -mpic-register=.
10336 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
10337 (arm_pic_register_string): Declare.
10338 (NEED_PLT_GOT): Delete, replace with ...
10339 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
10340 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
10341 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
10342 * config/arm/arm.c (arm_override_options): Add new option
10344 (arm_pic_register_string): New variable.
10345 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
10346 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
10347 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
10348 (output_return_instruction): Likewise.
10349 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
10350 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
10351 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
10353 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
10354 mention of -msched-prolog. Document new options -msingle-pic-base
10355 and -mpic-register=.
10357 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
10359 * haifa-sched.c (reemit_notes): Tidy.
10360 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
10363 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
10365 * explow.c (trunc_int_for_mode): New function.
10366 (plus_constant_wide): Use it.
10367 * combine.c (simplify_and_const_int): Likewise.
10368 (merge_outer_ops): Likewise.
10369 (simplify_shift_const): Likewise.
10370 * cse.c (simplify_unary_operation): Likewise.
10371 (simplify_binary_operation): Likewise.
10372 * emit-rtl.c (operand_subword): Likewise.
10373 * rtl.h: Declare it.
10375 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10377 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
10378 (use NUM_REGS instead of NUM_INTS).
10380 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10382 * builtins.c: New file.
10383 * expr.c (saveregs_value, apply_args_value): Delete definition,
10384 moved into builtins.c.
10385 (string_constant): No longer static.
10386 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
10387 apply_args_size, apply_result_size, result_vector,
10388 expand_builtin_apply_args, expand_builtin_apply,
10389 expand_builtin_return): Delete functions, moved into builtins.c.
10390 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
10391 * expr.h (saveregs_value, apply_args_value): Declare variables.
10392 (expand_builtin, string_constant): Declare functions.
10393 * Makefile.in: Update to build builtin.o.
10395 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
10397 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
10398 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
10399 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
10400 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
10402 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
10405 1999-07-21 Michael Meissner <meissner@cygnus.com>
10407 * print-rtl.c (print_rtx): Print the names of the virtual
10410 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
10412 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
10413 introduced in previous delta.
10415 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10417 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
10418 to avoid name clash.
10420 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
10422 * c-lex.c (yylex) : Correct the test for overflow when lexing
10425 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
10427 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
10428 (adjust_priority): Always call ADJUST_PRIORITY.
10429 (schedule_insn): Only put insns into the ready at cost 0.
10430 (schedule_block): Remove redundant initial sort. Give clock_var
10431 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
10433 * tm.texi (MD_SCHED_REORDER): Update docs.
10435 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
10436 * sparc.c (ultra_reorder_called_this_block): Delete.
10437 (ultrasparc_sched_init): Don't set it.
10438 (ultrasparc_sched_reorder): Don't check it.
10440 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
10442 * rs6000.h (struct rs6000_args): Add sysv_gregno.
10443 * rs6000.c (init_cumulative_args): Init sysv_gregno.
10444 (function_arg_boundary): Align DFmode.
10445 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
10446 to get fp reg and stack overflow correct.
10447 (function_arg): Likewise.
10448 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
10449 (setup_incoming_varargs): Restructure for ABI_V4; use
10450 function_arg_advance to skip final named argument.
10451 (expand_builtin_saveregs): Properly unskip the last integer arg
10452 when doing varargs. Adjust overflow location calculation.
10454 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
10455 explicitly unsigned.
10456 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
10457 (__VA_GP_REGSAVE): Similarly.
10458 (__va_longlong_p): Delete.
10459 (__va_arg_type_violation): New declaration.
10460 (va_arg): Restructure. Flag promotion errors. Align double.
10461 TFmode passed by reference.
10463 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
10464 in the HOST_BITS_PER_WIDE_INT > 32 case.
10466 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
10468 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
10470 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
10472 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
10473 * toplev.c (documented_lang_options): Add -fpreprocessed.
10474 * cpplib.h (struct cpp_buffer): Add preprocessed.
10475 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
10476 (cpp_start_read): Don't expand macros or emit an initial #line
10477 directive if -fpreprocessed.
10479 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
10481 * cpplib.h (struct cpp_buffer): Added manual_pop for
10482 better C++ tokenization.
10483 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
10484 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
10485 * c-common.c (cpp_token): Make non-static.
10487 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10489 * c-common.h: New file.
10490 * c-common.c (permanent_obstack): Delete unused declaration.
10491 (c_global_trees): New array.
10492 (c_common_nodes_and_builtins): New function; split off common code
10493 from init_decl_processing in both c-decl.c and cp/decl.c.
10494 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
10495 c_global_trees and accessor macros defined in c-common.h.
10496 Include c-common.h.
10497 * c-decl.c: Delete definitions for tree nodes that were replaced by
10499 (init_decl_processing): Build void_list_node.
10500 Call c_common_nodes_and_builtins; delete code to generate the common
10502 * objc/objc-act.c (build_module_descriptor): Rename variable
10503 void_list_node to avoid clash with c-common.h.
10505 * Makefile.in: Update dependencies.
10506 * objc/Make-lang.in: Likewise.
10508 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
10510 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
10511 (UNIQUE_SECTION_P): Likewise.
10512 (UNIQUE_SECTION): Likewise.
10514 1999-07-19 Linas Vepstas <linas@linas.org>
10516 * config/i370/README: New file.
10517 * config/i370/linux.h: New file.
10518 * config/i370/mvs.h: New file.
10519 * config/i370/oe.h: New file.
10520 * config/i370/t-linux: New file.
10521 * config/i370/t-mvs: New file.
10522 * config/i370/t-oe: New file.
10523 * config/i370/x-oe: New file.
10524 * config/i370/xm-linux.h: New file.
10525 * config/i370/xm-mvs.h: New file.
10526 * config/i370/xm-oe.h: New file.
10528 * i370.c (label_node_t): Add first_ref_page, label_addr,
10529 label_first_ref, label_last_ref members.
10530 (mvs_need_base_reload): Renamed from mvs_label_emitted.
10531 (MAX_MVS_LABEL_SIZE): Define.
10532 (MAX_LONG_LABEL_SIZE): Define.
10533 (alias_node_t, alias_anchor, alias_number): New.
10534 (mvs_function_table): Reorder for EBCDIC.
10535 (ascebc, ebcasc): Unconditionally define.
10536 (i370_branch_dest, i370_branch_length): New functions.
10537 (i370_short_branch, i370_label_scan): New functions.
10538 (mvs_get_label): Renamed from mvs_add_label. Search for
10539 an existing label before creating a new one.
10540 (mvs_add_label): New function.
10541 (mvs_get_label_page): New function.
10542 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
10543 over the entire list.
10544 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
10545 (mvs_check_page) [TARGET_ELF_ABI]: New function.
10546 (mvs_add_alias, mvs_need_alias): New functions.
10547 (mvs_get_alias, mvs_check_alias): New functions.
10548 (handle_pragma): New function.
10549 (mvs_function_check): New function.
10550 (unsigned_jump_follows_p): Search harder.
10551 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
10552 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
10553 * i370.h (TARGET_VERSION): Delete.
10554 (CPP_SPEC, CPP_PREDEFINES): Delete.
10555 (mvs_label_emitted): Delete.
10556 (TARGET_EBCDIC): Delete.
10557 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
10558 (HANDLE_PRAGMA): Define.
10559 (HARD_REGNO_NREGS): Handle complex modes.
10560 (HARD_REGNO_MODE_OK): Likewise.
10561 (CLASS_MAX_NREGS): Likewise.
10562 (RET_REG): Likewise.
10563 (EXTRA_CONSTRAINT): Define.
10564 (RETURN_IN_MEMORY): True for DImode.
10565 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
10566 (FUNCTION_PROFILER): Delete.
10567 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
10568 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
10569 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
10570 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
10571 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
10572 (ASM_FILE_START): Add "RMODE ANY".
10573 (ASM_OUTPUT_EXTERNAL): Check for aliases.
10574 (ASM_GLOBALIZE_LABEL): Likewise.
10575 (ASM_OUTPUT_LABELREF): Likewise.
10576 (ASM_OUTPUT_COMMON): Likewise.
10577 (PRINT_OPERAND): Handle 'K', 'W', default.
10578 (PRINT_OPERAND_ADDRESS): New.
10579 (Lots of defines): Add support for TARGET_ELF_ABI.
10580 * i370.md (attr length): New. Define for all patterns.
10581 (*): Lots of tweeks to assembly output and constraints.
10583 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
10585 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
10586 Disable patterns performing SImode comparisons with SImode values
10587 if TARGET_POWERPC64 and instruction does not sign-extend or does
10588 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
10589 differ for signed quantities.
10590 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
10591 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
10592 (decrement_and_branch_on_count): Add 64-bit variant.
10594 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10596 * final.c (output_asm_insn): When searching for the matching string
10597 for a given dialect, don't run past the end of the list of
10598 alternatives if there are fewer alternatives in the template than
10601 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
10603 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
10604 Removed paragraph about compression of files and size limitation,
10605 duplicated in the FAQ. Use gcc-patches for posting patches.
10606 * gcc.c (main): Updated URL with bug reporting instructions to
10607 gcc.gnu.org. Removed e-mail address.
10608 * system.h (abort): Likewise.
10610 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10612 * Makefile.in (stmp-multilib-sub): Make the files extracted
10613 from $(LIBGCC1) writable.
10615 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
10617 * config/arm/aout.h: Reformat for improved readability.
10619 * config/arm/arm.h: Reformat for improved readability.
10620 Replace uses of fprintf with asm_fprintf where appropriate.
10621 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
10622 function declaration assembler actions.
10623 (NUM_INTS): New macro: Convert from bytes to words.
10624 (NUM_REGS): New macro: Compute number of registers required to
10625 hold a quanitity of tyep MODE.
10626 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
10628 (NUM_ARG_REGS): New macro: The number of argument registers
10630 (ARG_REGISTER): New macro: Compute the register number of the Nth
10632 (LAST_ARG_REGNUM): New macro: The number of the last argument
10634 (SP_REGNUM): New macro: Register number of the stack pointer.
10635 (FP_REGNUM): New macro: Register number of the frame pointer.
10636 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
10637 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
10638 CUMULATIVE_ARGS so that it counts registers not bytes.
10640 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
10642 Replace uses of fprintf with asm_fprintf where appropriate.
10643 (output_ascii_pseudo_op): Replace with version from thumb.c
10645 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
10647 * config/arm/elf.h (CPP_PREDEFINES): Replace with
10648 SUBTARGET_CPP_SPEC.
10649 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
10650 (ASM_FILE_START): Emit ASM_APP_OFF.
10652 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
10654 * pa.c (compute_frame_size): Round frame according to
10655 STACK_BOUNDARY rather than a hardwired value.
10657 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
10659 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
10661 * configure: Rebuilt.
10663 * configure.in (hppa*-*-linux*): New configuration.
10664 * configure: Rebuilt.
10665 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
10666 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
10667 * pa/pa-linux.h: New file.
10668 * pa/t-linux: New file.
10669 * pa/xm-linux.h: New file.
10671 * pa.c (hppa_legitimize_address): Change references from SImode to
10672 either Pmode or word_mode as appropriate.
10673 (emit_move_sequence, store_reg, load_reg): Likewise.
10674 (set_reg_plus_d, hppa_expand_prologue): Likewise.
10675 (output_mul_insn): Likewise.
10676 * pa.h (PROMOTE_MODE): Likewise.
10677 (INITIALZE_TRAMPOLINE): Likewise.
10678 (Pmode): Define to word_mode.
10680 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
10681 value of 4. Allocate 8 bytes for each FP register save.
10682 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
10684 (hppa_expand_prologue): Likewise.
10685 * pa.h (PROMOTE_MODE): Likewise.
10686 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
10687 (FUNCTION_ARG_BOUNDARY): Likewise.
10689 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
10691 * pa.c (out_of_line_prologue_epilogue): Delete.
10692 (override_options): Remove -mspace related code.
10693 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
10694 (compute_frame_size): Only allocate space for register that
10695 actually need to be saved.
10696 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
10697 (TARGET_SWITCHES): Remove -mspace, -mno-space
10698 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
10699 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
10700 * pa/ee.asm, pa/ee_fp.asm: Delete.
10702 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
10704 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
10705 directive in column zero.
10707 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
10709 * m68k.c (output_function_prologue): Fix computation of save mask
10710 when generating PIC code.
10712 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
10714 * tree.c (build_type_attribute_variant): Move current_obstack restore
10715 after build_qualified_type call.
10717 1999-07-15 Mark Mitchell <mark@codesourcery.com>
10719 * configure.in: Use t-iris6, even with GNU LD.
10720 * config/mips/iris6gld.h: Fix typo in linker spec.
10721 * config/mips/t-iris6gld: Remove.
10723 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
10725 * rs6000.md (insv, extzv): Remove SImode dependence in named
10726 patterns. Explicitly generate DImode RTL if PowerPC64 and
10728 (insvdi): Reverse start and size in instruction template.
10730 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
10732 * invoke.texi: Typo fixes.
10734 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
10736 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
10737 handle at this time instead of silently generating incorrect code.
10738 (gen_imagpart): Likewise.
10740 * reload.c (find_reloads): Emit a USE for a pseudo register without
10741 a hard register if we could not create an optional reload for the
10744 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10746 * c-typeck.c (output_init_element, process_init_element):
10747 When advancing constructor_unfilled_fields for a RECORD_TYPE,
10748 check for nameless bit fields.
10750 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
10752 * regclass.c (scan_one_insn): Notice subregs that change the
10753 size of their operand.
10754 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
10756 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
10758 * configure.in (alpha*-*-*): Include alpha/t-ieee.
10759 * configure: Rebuilt.
10760 * alpha/t-ieee: New file.
10762 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
10764 * rs6000.c (find_addr_reg): Do not select r0 as an address
10767 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
10769 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
10771 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
10773 * rs6000.md (movsf): Do not force easy FP constants into memory.
10775 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
10776 immed_double_const to ensure they are properly truncated then
10779 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
10781 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
10782 always unless NO_DEBUG is used. Compile this code
10784 (replace_symbols_in_block): Compile it unconditionally.
10786 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
10788 * configure.in (i?86-*-elf*): New target.
10789 * configure: Rebuilt.
10790 * i386/i386elf.h, i386/t-i386elf: New files.
10792 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
10794 * toplev.c (main): Don't complain about saying -gdwarf.
10795 (rest_of_compilation): Remove redundant code.
10797 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
10799 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
10801 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
10803 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
10804 "Li960R:", to avoid name clash.
10806 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10808 * loop.c (check_dbra_loop): When reversing a loop, delete all
10809 REG_EQUAL notes referencing the reversed biv except those which are
10810 for a giv based on it.
10812 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
10814 * version.c: Drop "gcc-" prefix from version #.
10816 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
10818 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
10819 the label if we're being verbose.
10821 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
10823 * m68k.c (output_function_prologue): Add pic register to mask
10824 if live and flag_pic.
10825 (output_function_epilogue): Likewise.
10827 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
10829 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
10830 directives in column zero.
10832 * pa/elf.h (ASM_FILE_START): Define.
10833 * pa/som.h (ASM_FILE_START): Include .level directives.
10834 * pa/hpux10.h (ASM_FILE_START): Delete.
10835 * pa/hpux11.h (ASM_FILE_START): Delete.
10837 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
10839 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10841 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
10842 when reload_out equals reload_in.
10844 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
10846 * invoke.texi (Spec Files): New node: Describe the contents of
10849 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
10851 * invoke.texi (DEC Alpha Options): Put @end table at
10852 beginning of line, to avoid confusing texi2html.
10854 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
10856 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
10857 introduced in previous delta.
10859 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10861 * reload1.c (gen_reload): When synthesizing a 3 operand add
10862 sequence, improve test for when to reload OP1 into the reload
10863 register instead of OP0.
10865 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
10867 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
10869 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
10871 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
10874 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
10876 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
10877 (va_dcl): Use __builtin_va_alist_t.
10879 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
10881 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
10882 on the permanent_obstack.
10883 * dwarfout.c (output_type): Likewise.
10885 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
10887 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
10888 Merged from c-typeck.c and cp/typeck.c.
10889 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
10890 Merged into c-common.
10892 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
10894 * c-lex.c (errorcount): Declare it.
10895 (finish_parse): Update errorcount when using CPPLIB.
10897 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
10899 * fixinc/inclhack.def(end_else_label): Double the backslash so
10900 sed gets a chance to see it.
10901 * fixinc/inclhack.sh: regen
10902 * fixinc/fixincl.x: regen
10904 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
10906 Add framework to support armv5 architecture when it becomes
10909 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
10910 (arm_arch5): New variable.
10911 (all_architectures): Add armv5 line.
10912 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
10913 -march=armv5 is specified on the command line.
10914 (arm_arch5): Export this variable.
10915 * invoke.texi: Document new string accepted by -march= switch for
10918 * config/arm/arm.h: Replace use of constant 12 as a register
10919 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
10920 * config/arm/arm.c: Replace use of constant 12 as a register
10921 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
10923 * config/arm/elf.h: Tidy up.
10924 * config/arm/coff.h: Tidy up.
10926 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
10928 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
10929 * gcc/config/mips/t-iris6gld: New file.
10930 * gcc/config/mips/iris6gld.h: Likewise.
10932 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
10934 * c-decl.c (widest_integer_literal_type_node,
10935 widest_unsigned_literal_type) : New.
10936 (init_decl_processing): Handle/use the two new types.
10937 * c-common.c (type_for_size,type_for_mode) : Same.
10938 * c-lex.c (yylex) : Same.
10939 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
10941 * c-tree.h (widest_integer_literal_type_node,
10942 widest_unsigned_literal_type) : New.
10944 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
10946 * dwarfout.c (field_byte_offset): Correctly compute the object's
10947 byte offset for the first bit of a field which crosses an alignment
10948 boundary on a !BYTES_BIG_ENDIAN target.
10950 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
10952 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
10955 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
10956 Jeff Law <law@cygnus.com>
10958 * ginclude/varargs.h (va_dcl): Use word_mode for type of
10961 * except.c: Include intl.h.
10962 (expand_eh_return): Set current_function_cannot_inline.
10963 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
10964 * function.h (struct function): Add eh_return_stub_label.
10965 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
10966 * Makefile.in (except.o): Depend on intl.h.
10968 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
10970 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
10971 same as offsettable in cases 1 and 2.
10973 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
10975 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
10976 (extlh, extwh): Likewise.
10978 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
10980 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
10982 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
10984 * configure.in: Add arm-pe and thumb-pe targets.
10985 * configure: Regenerate.
10987 * thumb.c (arm_naked_function_p): New function: Determines if
10988 a function is naked (has no gcc generated prologue/epilogue).
10989 (is_called_in_ARM_mode): Return true if the func has the
10990 interfacearm attribute.
10991 (output_return): Do not generate a return for naked functions.
10992 (thumb_function_prologue): Do not generate a prologue for
10994 (thumb_expand_prologue): Do not generate a prologue for naked
10996 (thumb_expand_epilogue): Do not generate an epilogue for naked
10998 (arm_valid_machine_decl_attribute): New function, copied from
10999 arm.c: Permit naked and interfacearm attributes.
11001 * config/arm/pe.c: New file: Support code for arm-pe target.
11002 * config/arm/pe.h: New file: Header file for arm-pe target.
11003 * config/arm/tpe.h: New file: Header file for thumb-pe target.
11004 * config/arm/t-thumb-pe: New file: Makefile fragment for
11007 1999-07-01 Mark Kettenis <kettenis@gnu.org>
11009 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
11010 -fPIC or -fpic is specified.
11012 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
11014 * expr.c (emit_block_move): Use copy_to_mode_reg for
11015 !TARGET_MEM_FUNCTIONS case too.
11017 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
11019 * configure: Rebuilt.
11020 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
11021 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
11022 definitions made redundant by dbxelf.h inclusion. Delete
11023 lots of definitions related to assembly output that are
11024 specific to the SOM object format.
11025 * pa.c (output_function_prologue): Do not emit the function's
11027 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
11028 * pa-pro.h: Deleted.
11029 * som.h: New file with SOM specific definitions.
11030 * elf.h: New file with ELF specific definitions.
11032 * elfos.h (const_section): Output a tab before assembler directives.
11033 (ctors_section, dtors_section): Likewise.
11034 (ASM_OUTPUT_SECTION_NAME): Likewise.
11036 * pa/pa1.h: Delete unused file.
11038 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
11040 * configure.in (hppa*-hp-hpux11*): New configuration.
11041 * configure: Rebuilt.
11042 * pa/pa-hpux11.h: New file.
11043 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
11046 * mips.md (leasi, leadi): New patterns.
11048 * expr.c (emit_block_move): Properly handle case where one of the
11049 block move arguments has a queued increment or decrement.
11050 (clear_storage): Similarly. Fix formatting goof.
11052 1999-06-28 "David O'Brien" <obrien@NUXI.com>
11054 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
11055 semicolon from the BSD VA_LIST replacement expression.
11057 * fixinc/inclhack.sh: regen
11058 * fixinc/fixincl.x: regen
11060 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
11061 now use the fixincl program.
11063 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
11065 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
11066 case. Also make the PIC register call_used.
11068 * m68k.h (FINALIZE_PIC): Delete.
11069 * m68k.c (finalize_pic): Delete.
11071 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
11073 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
11076 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
11078 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
11080 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
11082 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
11084 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
11086 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
11088 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
11090 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
11092 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
11094 * rs6000.c (output_toc): Always use hex values for floating-point
11095 constants. Store single-precision values in upper-half of TOC
11096 entry in 64-bit mode.
11097 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
11098 to final constraints.
11099 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
11100 (fctiwz): Improve accuracy of RTL for pattern.
11102 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
11104 * expr.c (expand_expr): Allow RTL_EXPR's through the
11105 MAX_INTEGER_COMPUTATION_MODE checks.
11107 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
11109 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
11110 such that MASK_SUPPORT_ARCH is not negative.
11112 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
11114 * loop.c (verify_dominator): Properly handle ADDR_VEC and
11115 ADDR_DIFF_VEC insns that appear inside loops.
11117 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
11118 Jeff Law <law@cygnus.com>
11120 * rs6000.md (movdf_hardfloat32): Revert previous patch.
11121 Handle LO_SUM the same as offsettable in cases 1 and 2.
11122 * rs6000.c (find_addr_reg): Revert previous patch.
11124 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
11126 * system.h (strstr): New external function declaration.
11127 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
11128 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
11129 * config.in, configure: Rebuilt.
11131 1999-06-24 Tom Tromey <tromey@cygnus.com>
11133 * gcc.c (main): Read user-specified specs files after computing
11134 additional startfile_prefixes.
11136 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
11138 Revert these two patches:
11140 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11141 * loop.c (strength_reduce): When doing biv->giv conversion, update
11142 reg note of NEXT->insn.
11144 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11145 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
11147 (recombine_givs): Set ix field after sorting.
11149 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11151 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
11152 for the parts of an UNSPEC / UNSPEC_VOLATILE.
11154 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
11156 *fixinc/inclhack.def: Add fix development commentary
11157 (read_ret_type): reactivate and add selection clause
11158 (zzz_*): tweak output file name to match what is used in hackshell.tpl
11159 *fixinc/{fixincl.x|inclhack.sh}: regen
11161 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
11163 * expr.c (expand_expr): STRIP_NOPS before checking against
11164 MAX_INTEGER_COMPUTATION_MODE
11165 (check_max_integer_computation_mode): Likewise.
11167 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
11169 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
11171 1999-06-22 Jim Wilson <wilson@cygnus.com>
11173 * expr.c (store_expr): When target is a promoted subreg, return a
11174 promoted subreg as a result.
11176 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
11178 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
11180 (dwarf2out_define): Mark unused parameters appropriately.
11181 (gen_unspecified_parameters_die): Ditto.
11182 (gen_subprogram_die): Fix signed/unsigned warnings.
11183 (gen_variable_die): Ditto.
11185 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
11187 * fixinc/inclhack.def(end_else_label): combined else_label
11188 and endif_label and fixed the sed expression.
11189 *fixinc/{fixincl.x|inclhack.sh}: regen
11191 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
11193 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
11194 'x' when handling non-offsettable addresses
11196 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
11198 * final.c (shorten_branches): Don't try to split an insn that has
11201 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
11203 * config/mips/mips.c (symbolic_expression_p): New function.
11204 (mips_select_rtx_section): Put symbolic expressions in the
11205 data section, not the read-only data section.
11207 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
11209 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
11211 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
11213 * collect2.c (main): Log frame table count.
11214 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
11215 (scan_prog_file) [COFF]: Handle frame tables.
11217 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
11218 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
11219 * alpha/elf.h: Undef them again.
11220 * alpha/vms.h: Remove their definitions.
11222 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11224 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
11225 remove the clobber of r0 and change the REG_UNUSED note to
11228 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
11230 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
11231 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
11232 fits in HOST_WIDE_INT and one uses union to access a long constant
11235 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
11237 * sparc.c (sparc_override_options): Don't allow profiling for
11238 code models other than medlow.
11239 (sparc_function_profiler): New function from old FUNCTION_PROFILER
11240 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
11241 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
11242 (sparc_block_profiler): Likewise.
11243 (sparc_function_block_profiler_exit): Likewise.
11244 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
11245 (FUNCTION_BLOCK_PROFILER): Likewise.
11246 (BLOCK_PROFILER): Likewise.
11247 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
11248 (MCOUNT_FUNCTION): New.
11249 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
11250 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
11251 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
11252 (MCOUNT_FUNCTION): New.
11253 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
11254 (BLOCK_PROFILER): Delete.
11255 (MCOUNT_FUNCTION): New.
11257 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
11259 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
11261 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
11263 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
11266 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
11269 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
11272 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
11275 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
11277 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
11280 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
11282 * i386/djgpp.h (LIB_SPEC): New.
11283 (STARTFILE_SPEC): New.
11285 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
11287 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
11289 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
11292 * system.h (WSTOPSIG): New macro.
11294 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
11296 * c-pragma.c (push_alignment): Don't ignore alignments greater than
11298 (insert_pack_attributes): Take into account member natural
11301 * i386/winnt.c (exports_head): New static variable.
11302 (i386_pe_record_exported_symbol): New function.
11303 (i386_pe_asm_file_end): Use.
11304 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
11305 symbols to be emitted at end of assembly.
11306 (ASM_DECLARE_OBJECT_NAME): Likewise.
11307 (ASM_DECLARE_FUNCTION_NAME): Likewise.
11309 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
11312 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
11314 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
11317 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
11319 * haifa-sched.c (sched_analyze_1): Use free_list instead of
11320 zapping reg_last_uses directly.
11321 (sched_analyze_2, sched_analyze_insn): Likewise.
11322 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
11324 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
11326 * rs6000.md (movdf_hardfloat32): Use worst case insn length
11327 attributes for cases 1 and 2.
11329 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
11331 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
11334 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
11336 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
11338 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
11340 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
11341 PIC_OFFSET_TABLE_REGNUM for general alloaction.
11342 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
11343 must be stacked if it is used for PIC accesses.
11344 * arm.c (use_return_insn): Handle PIC register specially.
11345 (output_return_instruction): Likewise.
11346 (output_func_{prologue,epilogue}): Likewise.
11347 (output_expand_prologue): Likewise.
11349 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
11350 (*strsi_predec): Renamed from *strqi_predec.
11351 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
11352 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
11354 * arm.c (arm_override_options): Remove warning about PIC code
11355 not being supported.
11357 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
11359 * rs6000.c (find_addr_reg): New function.
11360 * rs6000.h (find_addr_reg): Declare.
11361 (offsettable_addr_operand): Delete.
11362 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
11363 from and stores to GPRs.
11365 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
11367 * alpha.c (alpha_expand_block_move): Use get_insns rather than
11368 gen_sequence as argument to emit_no_conflict_block.
11370 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11372 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
11373 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
11374 *fixinc/fixincl.x: regen
11375 *fixinc/inclhack.sh: regen
11377 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
11379 * added support for -mpcrel (PC relative addressing for m68k)
11380 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
11381 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
11382 * m68k.c (print_operand_address): Handle 32-bit PIC case.
11383 (comments for general_src_operand): Add some explanation
11384 about EXTRA_CONSTRAINTS.
11385 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
11386 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
11387 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
11388 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
11389 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
11390 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
11391 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
11392 if not already set.
11393 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
11394 * m68k.h (TARGET_PCREL): New target flag.
11395 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
11396 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
11397 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
11398 contains a SYMBOL_REF. Relax this constraint during reload, since
11399 we want to use the predicates, not reload's built-in concept of a
11400 valid memory address, to control what insns need reloading.
11401 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
11402 operands (essentially 'g', 'm', and 's' under normal circumstances).
11403 * m68k.c (print_operand): Cause printing of pc-relative addresses
11404 to include pc register.
11405 (print_operand_address): Ditto.
11406 (general_src_operand): Accept operands that are not only
11407 general_operands, but are also valid when used as a pc-relative
11409 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
11410 (memory_src_operand): Similar, for memory_operands.
11411 (pcrel_address): New predicate to accept the special case of a
11412 pc-relative address.
11413 * m68k.md (many patterns): Rewrite common SImode, HImode, and
11414 QImode insns to accept *_src_operand instead of *_operand where
11415 pc-relative operands can fit. For example, a pc-relative operand
11416 can be used as a memory source operand for addsi3, but not as a
11417 memory destination.
11418 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
11420 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
11422 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
11423 .thumb_set pseudo op to mark aliases of thumb functions.
11425 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
11427 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
11428 preference to ASM_OUTPUT_DEF, if it is defined.
11430 * tm.texi: Document new, optional target macro
11431 ASM_OUTPUT_DEF_FROM_DECLS.
11433 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11435 * fixincludes: ISCNTL patch
11436 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
11437 (dgux_int_varargs): new for DG/UX
11438 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
11440 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
11442 * invoke.texi (ia32 options): Fix typo.
11444 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11446 * loop.c (strength_reduce): When doing biv->giv conversion, update
11447 reg note of NEXT->insn.
11449 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
11451 * loop.c (move_movables): Note issues with replacing REGs with
11453 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
11455 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
11457 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
11459 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
11460 the reference to `mcount' was not correct for the ELF on FreeBSD.
11462 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11464 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
11467 (recombine_givs): Set ix field after sorting.
11469 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
11471 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
11472 to safe to extract a subword out of a REG.
11474 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11476 * sh.md (mulsi3): Don't add a no-op move at the end.
11478 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11480 * cse.c (cse_insn): Don't put hard register source into tables for
11481 the last insn of a libcall.
11483 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11485 * loop.c (strength_reduce): Insert sets of derived givs at every
11486 biv increment, even if it's the only one.
11488 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
11490 * dwarfout.c (add_incomplete_type): New fn.
11491 (output_type): Call it.
11492 (retry_incomplete_types): New fn.
11493 (dwarfout_finish): Call it.
11495 From Eric Raskin <ehr@listworks.com>:
11496 (output_type): Output types for bases.
11498 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
11500 * mips.c (mips_output_conditional_branch): Add `break'
11501 between `default' label and `close braces'.
11503 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
11505 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
11506 specifications and make it realistic.
11507 (LIB_SPEC): Likewise.
11509 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
11511 * config/mips/mips.c (mips_secondary_reload_class): Check for
11512 (PLUS (SP) (REG)) and return appropriate register class.
11513 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
11514 Handle (PLUS (SP) (REG)).
11515 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
11516 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
11517 of emit_insn for tablejump.
11519 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
11521 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
11522 asm_fprintf format string by itself.
11523 (output_function_profiler): Likewise.
11525 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
11527 * combine.c (simplify_logical, case AND): Only call
11528 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
11529 or the constant is positive.
11531 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
11533 * configure.in: Fix typo in rs6000-ibm-aix4 case.
11534 * configure: Regenerate.
11536 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
11538 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
11539 require a sub-version #.
11540 * configure: Rebuilt.
11542 1999-06-14 Robert Lipe (robertlipe@usa.net)
11544 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
11546 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
11548 * c-typeck.c (process_init_element): Detect excess elements in
11549 char array initializer.
11551 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
11553 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
11555 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
11557 * invoke.texi (Option Summary): Add -fpermissive flag.
11559 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
11561 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
11562 that require PIC code sequences.
11564 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
11566 * configure.in: Add new target: thumb-elf.
11567 * configure: Regenerate.
11568 * config/arm/t-thumb-elf: New file: Makefile fragment for
11570 * config/arm/telf.h: New file: Header file for thumb-elf
11573 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
11575 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
11576 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
11577 initializers is some circumstances.
11579 * fixinc/inclhack.def (endif_label): Add additional selector for
11580 more bogus stuff after #endif statements.
11581 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
11583 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
11585 * i386/cygwin.h (SET_ASM_OP): Define.
11587 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
11589 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
11591 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11593 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
11596 * sh.md (ic_invalidate_line_i): Remove second alternative.
11598 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11600 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
11601 test for the presence of valid prototypes. Delete bypass expr.
11602 (ioctl_fix_ctrl): Correct the selection expression.
11603 (no_double_slash): Correct quoting rules
11604 *fixinc/fixincl.x: regen
11605 *fixinc/inclhack.sh: regen
11607 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
11609 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
11611 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11613 * rs6000.md (movsi_got_internal_mem): Delete.
11614 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
11615 (GOT_TOC_REGNUM): Delete.
11616 (PIC_OFFSET_TABLE_REGNUM): Define.
11617 (FINALIZE_PIC): Disable.
11618 * rs6000.c (rs6000_got_register): New code for fixed pic register.
11619 (rs6000_replace_regno): Delete.
11620 (rs6000_finalize_pic): Likewise.
11621 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
11623 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11625 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
11626 is a note; use <= for the compare; advance P while it is
11629 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
11631 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
11632 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
11634 * varasm.c (remove_from_pending_weak_list): Verify t->name
11635 is non-NULL before passing it to strcmp.
11637 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11639 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
11640 the typed arguments are not part of a comment
11641 (ioctl_fix_ctrl): Added a purpose comment
11642 *fixinc/fixincl.x: regenerate
11643 *fixinc/inclhack.sh: regenerate
11645 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11647 * invoke.texi: Add C4x invocation docs.
11649 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11651 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
11653 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
11655 (c4x_legitimize_reload_address): New function.
11656 * config/c4x/c4x.md: Update docs.
11658 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
11660 * fixincludes: Avoid removing '.'.
11661 * fixinc/fixinc.svr4: Likewise.
11662 * fixinc/fixinc.winnt: Likewise.
11663 * fixinc/inclhack.tpl: Likewise.
11664 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
11666 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11668 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
11670 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
11672 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
11674 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
11677 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
11679 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
11680 * configure: Regenerate.
11682 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
11684 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
11687 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
11689 * fixinc/inclhack.def (avoid_bool): Also catch
11690 "typedef [unsigned] int bool".
11691 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
11693 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
11694 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
11695 * configure: Rebuilt.
11697 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
11699 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
11700 such that we can override its definitions if necessary.
11701 (CPP_SPEC): New define. Support processor specific predefines via
11703 (CC1_SPEC): New define. Support processor specific compiler
11704 options via %(cc1_cpu).
11705 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
11708 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11710 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
11711 between sed's -e flag, and the open-quote following it.
11712 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
11714 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
11715 Jeffrey A Law (law@cygnus.com)
11717 * varasm.c (assemble_start_function): Remove the function
11718 from the pending weak decls list when we define a function.
11719 (assemble_variable): Similarly for variables.
11720 (weak_finish): Ignore items on the list with a NULL name.
11721 (remove_from_ending_weak_list); New function to "remove" an item
11722 from the pending weak declarations list.
11724 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
11726 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
11728 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
11730 * c-lex.c (GETC): Redefine to call getch.
11731 (UNGETC): Redefine to call put_back.
11732 (putback_buffer): New structure type.
11733 (putback): New static structure.
11734 (getch): New function.
11735 (put_back): New function.
11736 (yylex): Replace unused bytes from bad multibyte character.
11738 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
11740 * cpplib.c (do_define): Cast `alloca' return value.
11741 (do_include, do_undef, do_pragma): Likewise.
11742 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
11744 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
11745 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
11747 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
11749 * sparc.md (abstf2): This should be an expand.
11750 (split after abstf2_notv9): Fix mode.
11751 (abstf2_hq_v9): New pattern.
11752 (abstf2_v9): Only use when no hard quad.
11753 (absdf2_v9): Fix if target is not the same as source.
11754 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
11755 Add correct output constraints.
11757 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
11759 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
11760 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
11762 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
11764 * mips.h (mips_output_conditional_branch): New function.
11765 (mips_adjust_insn_length): Likewise.
11766 (ASSEMBLER_SCRATCH_REGNUM): New macro.
11767 (ADJUST_INSN_LENGTH): Likewise.
11768 * mips.c (print_operand): Add `F' and `W' for floating-point
11769 comparison opcodes.
11770 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
11772 (mips_adjust_insn_length): New function.
11773 (mips_output_conditional_branch): New function.
11774 * mips.md (length): Adjust attribute definition to handle
11775 conditional branches. Change lengths to bytes, rather than
11776 instructions throughout. Remove length attribute from
11777 instructions whose length is four bytes, and rely on the default
11779 (dslot): Fix typo in comment.
11780 Reword conditional branch patterns to use
11781 mips_output_conditional_branch.
11783 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11785 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
11786 (LIB_SPEC): Likewise.
11787 Link with -lprof1_r for -g/-pg.
11789 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
11791 * loop.c (check_dbra_loop): Fix change of Jan 19.
11793 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
11795 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
11796 (STARTFILE_SPEC): Define, override the svr4.h version.
11797 (ENDFILE_SPEC): Likewise.
11799 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
11801 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
11802 * fixinc/fixincl.x: Regenerated.
11803 * fixinc/inclhack.sh: Regenerated.
11805 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11807 * sh.c (barrier_align): Don't return early for normal branch/barrier
11808 when optimizing for SH2.
11810 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
11812 * i386/udk.h (LINK_SPEC): Correct linker search path for
11815 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11817 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
11818 (braf_label_ref_operand): Delete.
11819 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
11820 * sh.md (casesi_jump_2): Operand1 is now the inside of a
11821 label_ref, and has no predicate.
11822 The patten has a predicate to guard against invalid substitutions.
11823 (dummy_jump): Delete.
11824 (casesi): Update use of casesi_jump_2.
11826 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11828 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
11829 *fixinc/fixincl.x: regenerate
11830 *fixinc/inclhack.sh: regenerate
11832 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
11834 * dwarf2out.c (add_incomplete_type): New fn.
11835 (gen_struct_or_union_type_die): Call it.
11836 (retry_incomplete_types): New fn.
11837 (dwarf2out_finish): Call it.
11839 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
11841 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
11842 current block starts with a CODE_LABEL and ends with a CALL and
11843 we can not find all the argument setup instructions for the CALL.
11845 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
11847 Revert this change:
11848 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
11849 something is a candidate for optimize_bit_field_compare.
11851 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11853 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
11855 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
11857 * alpha.c (override_options): Thinko in last patch.
11859 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
11860 (LIB_SPEC): Recognize -pthread.
11862 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
11864 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
11865 definition in config/arm/coff.h
11866 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
11868 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
11870 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
11871 fixes that need "file=xxx\n" prepended before invocation
11872 (start_fixer - new): starting the fixer process is complex enough
11873 to warrent its own routine. It prepends the "file=xxx\n" stuff.
11874 (process): uses the new routine; omit usage of putenv()
11875 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
11876 * fixinc/fixincl.x: regenerate
11878 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
11880 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
11881 and version #s (1.1 -> 2.96) as needed.
11882 * README.g77: Kill way out of date file in the toplevel directory.
11884 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
11886 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
11887 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
11888 * configure: Rebuilt.
11889 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
11890 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
11891 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
11892 (SWITCH_TAKES_ARG): Likewise.
11893 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
11894 * config/t-freebsd: Moved from config/i386/ so it can used for all
11897 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
11899 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
11901 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
11903 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
11904 * configure: Rebuilt.
11906 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
11908 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
11909 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
11910 * rs6000/rs6000.c (rs6000_file_start): Use putc.
11911 (rs6000_output_load_toc_table): Same.
11912 (output_prolog, output_mi_thunk): Same.
11913 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
11914 (ASM_GLOBALIZE_LABEL): Use putc.
11916 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
11918 * alpha.md (reload_*_help): New patterns and splitters.
11919 (reload_*): Use them.
11920 (mov[qh]i): Likewise.
11922 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
11924 * cccp.c (handle_directive): Handle backslash-newlines in quoted
11927 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
11929 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
11931 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
11933 * flow.c (mark_regs_live_at_end, insn_dead_p,
11934 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
11935 and HARD_FRAME_POINTER_REGNUM special treatment if reload
11936 hasn't run or the frame pointer is needed.
11937 * haifa-sched.c (attach_deaths): Likewise.
11938 * sched.c (attach_deaths): Likewise.
11940 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
11942 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
11943 calculate_can_reach_end returns nonzero.
11945 * configure.in (native gas tests): Search for an assembler in the
11946 same manner that the installed compiler will.
11947 * configure: Rebuilt.
11948 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
11950 * alias.c (find_base_term): Improve handling of addresses
11951 constructed from binary operations.
11953 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
11955 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
11957 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
11959 * function.h (cleanup_label, frame_offset): Declare.
11960 (tail_recursion_label, tail_recursion_reentry): Likewise.
11961 (arg_pointer_save_area, rtl_expr_chain): Likewise.
11962 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
11963 (tail_recursion_label, tail_recursion_reentry): Likewise.
11964 (arg_pointer_save_area, rtl_expr_chain): Likewise.
11966 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
11968 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
11970 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
11971 (MAX_OFILE_ALIGNMENT): Define.
11973 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
11975 * fixincl.c: Replace local include scheme with #includes of
11976 gansidecl.h and system.h.
11977 * procopen.c: Likewise.
11978 * server.c: Likewise.
11980 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
11982 * i386/t-dgux (EXTRA_PARTS): Add crti.o
11983 (crti.o): Add build rule and dependencies.
11984 * fixinc/fixinc.dgux: Use modified _int_varargs.h
11986 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11988 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
11989 (LIB_LINUX_SPEC): Likewise.
11990 (LIB_LINUX_SPEC): Add support for -pthread
11991 (CPP_OS_LINUX_SPEC): Likewise.
11992 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
11995 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
11997 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
11999 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
12000 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
12001 for IEEE math and CC_FCOMI.
12002 (put_jump_code): No IEEE if CC_FCOMI is set.
12004 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
12006 * fold-const.c (fold_truthop): Make the field reference unsigned
12007 when converting a single bit compare.
12009 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12011 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
12013 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
12015 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
12016 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
12019 * reload.c (push_reload): Do not call remove_address_replacements
12020 when presented with identical optional reloads.
12022 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
12024 * alpha.h (MASK_FIX, TARGET_FIX): New.
12025 (MASK_*): Reorganize constants.
12026 (CPP_AM_FIX_SPEC): New.
12027 (TARGET_SWITCHES): Add FIX.
12028 (EXTRA_SPECS): Likewise.
12029 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
12030 (SECONDARY_MEMORY_NEEDED): Likewise.
12031 (REGISTER_MOVE_COST): Likewise.
12032 * alpha.c (override_options): Add FIX support. Always use
12033 ALPHA_TP_PROG for ev6.
12034 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
12035 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
12036 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
12038 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
12040 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
12041 something is a candidate for optimize_bit_field_compare.
12043 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
12045 * gcc.texi (Passes): Document branch-shortening.
12046 * invoke.texi (Debugging Options): Document the fact that `-dp'
12047 outputs length information for instructions.
12049 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
12051 * flow.c: Revert previous delta.
12053 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
12055 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
12056 FRAME_POINTER_REGNUM.
12057 (mark_set_1): Ditto.
12058 (mark_used_regs): Ditto.
12060 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
12062 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
12063 (GOT_PCREL): New macro. Define to 1 if not already defined.
12064 * arm/elf.h (GOT_PCREL): Define to 0.
12065 * arm.c (arm_finalize_pic): Take into account the setting of
12068 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
12070 * output.h (STRIP_NAME_ENCODING): Provide default definition.
12071 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
12073 * flow.c (mark_set_1): Do not record BLKmode stores as dead
12074 store elimination candidates.
12076 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
12078 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
12081 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
12083 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
12084 Add use of x-aix41-gld.
12086 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
12088 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
12089 (ASM_OUTPUT_DESTRUCTOR): Define.
12091 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
12093 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
12094 last CODE_LABEL in a loop if we have previously passed a jump
12095 to the top of the loop.
12097 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
12099 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
12100 applying Philip's patch.
12102 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
12104 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
12107 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
12109 * loop.c (strength_reduce): Grow reg_single_usage as needed.
12111 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
12113 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
12114 Also remove a useless comment.
12116 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
12118 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
12120 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
12122 * collect2.c (main): Only generate import or export file and add
12123 to link arguments if non-empty. Use xmalloc not alloca.
12124 (write_{export,import}_file): Delete.
12125 (write_aix_file): New function.
12126 (locatelib): Use xmalloc not malloc.
12127 (GCC_OK_SYMBOL): Do not check type if aix64.
12129 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
12131 Based on patch by Scott Bambrough and Pat Beirne:
12132 * config/arm/arm.c (making_const_table): New variable.
12133 * config/arm/arm.h (making_const_table): Declare.
12134 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
12136 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
12137 Keep track of when we are building the constant table.
12139 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
12141 * config/arm/arm.c (arm_override_options): Fix erroneous warning
12144 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
12146 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
12149 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
12151 * tm.texi (FUNCTION_ARG): Correct description of a stack element
12154 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
12156 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
12158 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12160 * rs6000.c (output_mi_thunk): Enable full support again.
12162 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12164 * sh.h (BRANCH_COST): Define.
12166 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
12168 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
12170 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
12172 * function.c (assign_stack_local): Align stack slot propertly.
12173 (assign_outer_stack_local): Likewise.
12175 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
12177 * expr.h (lang_expand_constant): Declare.
12178 * toplev.c (lang_expand_constant): Define it.
12179 * varasm.c (output_constant): Use it.
12181 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12183 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
12184 Change function definitions to K&R style.
12186 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12188 * fixinc/fixincl.c: We must not ignore SIGCLD now.
12190 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
12192 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
12193 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
12194 (several places): omit static initialization
12195 (process): use single fd, since only the read fd is used
12196 * fixinc/gnu-regex.c: define 'const' away, if not supported
12197 * fixinc/procopen.c(several places): omit static initialization
12198 * fixinc/server.c: define 'volitile' away, if not supported
12200 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
12202 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
12203 asm_fprintf and %L to generate the label name.
12204 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
12205 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
12207 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
12209 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
12210 insn for a conditional jump can not be found.
12212 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
12214 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
12215 on variables in specific sections other than .sbss and .sdata.
12217 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
12219 * stmt.c (expand_return): Call start_cleanup_deferral and
12220 end_cleanup_deferral around conditional code.
12222 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
12224 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
12225 filename lists. Utilizes new "krstr" AutoGen function.
12226 * fixinc/fixincl.x: Rebuilt.
12228 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
12230 * i386.c (output_float_compare): Avoid GNU-C extensions.
12232 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
12234 * version.c: Bump to distinguish mainline tree from the
12237 See ChangeLog.1 for earlier changes.