1 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
3 * expr.c (emit_push_insn): Fix dumb typo.
5 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
7 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
8 transformations that we have performed earlier.
9 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
11 * alpha.md (prologue_stack_probe_loop): Don't do our own label
12 handling, call gen_label_rtx instead.
14 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
16 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
18 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
19 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
20 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
21 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
22 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
24 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
26 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
27 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
28 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
29 * configure: Regenerate.
31 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
33 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
35 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
37 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
39 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
41 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
42 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
43 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
44 (move_by_pieces): Use new macros.
45 (emit_block_move): Use new macros.
46 (clear_by_pieces): Use new macros.
47 (clear_storage): Use new macros.
48 (emit_push_insn): Use new macros.
49 (expand_expr): Use new macros.
50 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
52 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
53 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
54 (MOVE_MAX_PIECES): move 8 bytes on SH4.
55 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
56 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
57 USE_STORE_PRE_DECREMENT): Describe new macros.
59 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
61 * varasm.c (output_constant_pool): Use floor_log2 instead of
62 exact_log2 for ASM_OUTPUT_ALIGN.
64 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
66 * emit-rtl.c (operand_subword): Handle case when a subword outside
69 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
72 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
74 * cse.c (fold_rtx): Revert 29 Dec change.
75 (cse_insn): Revert 12 Jan change.
76 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
77 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
79 * rtl.h (CONSTANT_P): Likewise.
81 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
83 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
84 * alpha.c (input_operand): Likewise.
85 * c4x.c (const_operand): Likewise.
87 * explow.c (allocate_dynamic_stack_space): Use register_operand
88 instead of arith_operand, which does not exist.
90 * 1750a.h: Fix comment closure.
91 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
92 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
93 * arm.h (TARGET_SWITCHES): Fix typo.
94 * i370.md (anon mult and div patterns): Fix set mode mismatch.
95 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
96 (output_delay_insn): Likewise.
97 * m88k.md (anon rotate insns): Fix set mode mismatch.
98 (anon BLKmode moves): Commonize and fix set mode mismatches.
99 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
100 * romp.md (movdf): Fix typo.
102 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
104 * Makefile.in (install-common): Remove extraneous chmod for gcov
107 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
109 * function.c (assign_parms): Save and restore setting of
112 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
114 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
115 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
117 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
119 * recog.c (pop_operand): New function.
120 * recog.h (pop_operand): Declare it.
121 * genrecog.c (preds): Define it.
123 * expr.c (do_jump_for_compare): Handle conditional branch expanders
124 emitting multiple jump instructions.
125 * jump.c (condjump_label): New function.
126 * rtl.h (condjump_label): Declare it.
128 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
130 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
131 clobber during or after reload.
133 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
135 * genoutput.c (name_for_index): New function.
136 (scan_operands, validate_insn_alternatives): Use it.
137 * genrecog.c (insn_name_ptr_size): New variable.
138 (make_insn_sequence): Fill in insn_name_ptr.
139 (merge_trees): Use it.
141 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
143 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
144 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
145 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
147 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
149 * loop.c (NUM_STORES): Delete.
150 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
151 (prescan_loop): Properly initialize loop_mems_idx.
152 (note_addr_stored): Simplify using list structure instead of
154 (invariant_p, check_dbra_loop, load_mems): Similarly.
156 * flow.c (invalidate_from_autoinc): New function.
157 (mark_set_1, mark_used_regs): Use it.
159 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
161 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
163 * invoke.texi (-mlong-double-64): New option description.
165 1999-01-19 Jim Wilson <wilson@cygnus.com>
167 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
168 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
169 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
171 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
172 (CPP_SPECS): Add -mlong-double-64 support.
173 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
174 (TARGET_SWITCHES): Add -mlong-double-64 support.
175 (LONG_DOUBLE_TYPE_SIZE): Likewise.
176 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
177 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
178 (CPP_SPECS): Add -mlong-double-64 support.
179 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
180 (MULTILIB_DIRNAMES): Add ld64.
181 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
183 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
185 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
188 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@mhpcc.edu>
190 * rs6000.c (offsettable_addr_operand): Delete.
191 (offsettable_mem_operand): New function.
192 * rs6000.h (PREDICATE_CODES): Reflect function change.
193 (RS6000_SAVE_TOC): Represent address as MEM.
194 * win-nt.h (RS6000_SAVE_TOC): Same.
195 * rs6000.md (indirect calls): Change offsettable address parameter
196 to offsettable memory parameter.
198 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
200 * rtl.h (rtx_def): Update documentation.
201 (MEM_IN_STRUCT_P): Likewise.
202 (MEM_SCALAR_P): New macro.
203 (MEM_COPY_ATTRIBUTES): Likewise.
204 (MEM_SET_IN_STRUCT_P): Likewise.
205 * rtl.texi (MEM_SCALAR_P): Document.
206 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
207 (fixed_scalar_and_varying_struct_p): New function. Use
208 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
209 (aliases_everything_p): Likewise.
210 (true_dependence): Use them.
211 (write_dependence_p): New function, containing code common to
212 anti_dependence and output_dependence.
213 (anti_dependence): Use it.
214 (output_dependence): Likewise.
215 * calls.c (save_fixed_argument_area): Don't clear
217 (expand_call): Use MEM_SET_IN_STRUCT_P.
218 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
219 (emit_library_call_value): Likewise.
220 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
221 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
222 (make_extraction): Likewise.
223 (simplify_shift_const): Likewise.
224 (gen_lowpart_for_combine): Likewise.
225 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
226 * emit-rtl.c (operand_subword): Likewise.
227 (change_address): Likewise.
228 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
229 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
230 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
231 (copy_blkmode_from_reg): Likewise.
232 (store_field): Likewise.
233 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
234 heuristically. Use MEM_SET_IN_STRUCT_P.
235 (get_memory_rtx): Likewise.
236 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
237 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
238 MEM_ALIAS_SET on newly returned MEMs.
239 (assign_temp): Use MEM_SET_IN_STRUCT_P.
240 (put_reg_into_stack): Likewise.
241 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
242 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
243 (assign_parms): Likewise.
244 (expand_function): Likewise.
245 * integrate.c (expand_inline_function): Likewise.
246 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
247 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
248 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
249 * print-rtl.c (print_rtx): Print /f for frame_related.
250 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
251 * reload1.c (reload): Copy MEM_SCALAR_P as well.
252 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
253 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
254 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
255 (output_constant_def): Likewise.
256 * a29k.c (a29k_set_memflags_1): Take scalar_p.
258 (a29k_set_memflags): Use it.
259 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
260 * c4x.c (c4x_scan_for_ld): Likewise.
261 * h8300.c (fix_bit_operand): Likewise.
262 * m88k.c (legitimize_address): Likewise.
263 (block_move_loop): Likewise.
264 (block_move_no_loop): Likewise.
265 (block_move_sequence): Likewise.
266 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
267 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
268 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
269 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
270 * arm.h (arm_gen_load_multiple): Take scalar_p.
271 (arm_store_load_multiple): Likewise.
272 * arm.c (arm_gen_load_multiple): Likewise.
273 (arm_gen_store_multiple): Likewise.
274 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
276 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
278 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
279 calls within a libcall block to indicate no throws are possible.
280 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
281 libcall blocks. Don't add edges to exception handlers if we see
282 a REG_EH_REGION note with a value of 0.
283 (make_edges): Override active_eh_region vector if the call has a note
284 indicating the call does not throw.
286 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
288 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
290 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
292 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
294 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
296 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
298 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
300 * invoke.texi (-mcpu=740, -mcpu=750): New options.
301 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
304 1999-01-18 Michael Meissner <meissner@cygnus.com>
306 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
307 supported with -mcpu=xxx.
308 (processor_type): Add PROCESSOR_PPC750.
309 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
310 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
311 (rs6000_adjust_priority): Add declaration.
313 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
314 processor type as 750, not 603. Allow -mmultiple and -mstring on
315 little endian 750 systems.
316 (rs6000_adjust_priority): Stub for now.
317 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
319 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
321 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
323 (CC1_SPEC): Pass -mstrict-align if little endian, and not
325 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
326 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
328 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
331 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
333 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
335 * config/mips/mips.md (div_trap): Split div_trap_mips16
337 (div_trap_normal,div_trap_mips16): Correct the length attributes.
339 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
341 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
342 Instead of writing to const char *buf directly, use a non-const
343 variable `wbuf' to allocate and write a string, then set buf = wbuf.
345 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
348 * dyn-string.c (dyn_string_append): Likewise.
350 * dyn-string.h (dyn_string_append): Likewise.
352 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
354 * output.h (end_final, output_operand_lossage, asm_fprintf,
355 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
358 * profile.c (init_branch_prob): Likewise.
360 * toplev.c (set_target_switch, vmessage,
361 v_message_with_file_and_line, v_message_with_decl,
362 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
363 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
364 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
365 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
366 open_dump_file, dump_rtl, clean_dump_file,
367 print_version, print_single_switch, print_switch_values,
368 dump_base_name, debug_args, lang_independent_options,
369 user_label_prefix, documented_lang_options, target_switches,
370 target_options, print_time, pfatal_with_name, fatal_io_error,
371 fatal_insn, default_print_error_function, print_error_function,
372 report_error_function, error_with_file_and_line, error_with_decl,
373 error_for_asm, error, fatal, warning_with_file_and_line,
374 warning_with_decl, warning_for_asm, warning, pedwarn,
375 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
376 really_sorry, botch, output_quoted_string, output_file_directive,
377 open_dump_file, rest_of_decl_compilation, display_help, main):
380 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
381 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
382 warning_with_file_and_line, error_with_file_and_line, sorry,
383 really_sorry, default_print_error_function, report_error_function,
384 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
385 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
386 output_file_directive, botch): Likewise.
388 * tree.h (make_decl_rtl): Likewise.
390 * varasm.c (strip_reg_name, named_section, decode_reg_name,
391 make_decl_rtl): Likewise.
393 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
395 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
396 directory logically rather than physically.
398 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
400 * loop.c (insert_bct): Hide the definition of variables
401 `increment_direction', `compare_direction', `add_iteration' and
404 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
405 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
406 (mode_independent_operand): Mark label `lose' with
407 ATTRIBUTE_UNUSED_LABEL.
409 * regclass.c (n_occurrences): Remove prototype and definition.
411 * reload.c (find_reloads_address_1): Mark variable `tem' with
414 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
416 * sbitmap.c (sbitmap_copy): Likewise.
418 * scan-decls.c (scan_decls): Hide label `handle_comma'.
420 * toplev.c (output_lang_identify): Mark prototype with
423 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
424 (make_tree_vec): Likewise.
427 * varasm.c (assemble_static_space): Mark variable `tem' with
430 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
432 * Makefile.in (GCOV_INSTALL_NAME): New macro.
433 (install-common): Use it.
435 (uninstall): Use correct names for protoize and unprotoize.
437 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
438 Jeffrey A Law (law@cygnus.com)
440 * flow.c (last_mem_set): Delete variable. References removed.
441 (mem_set_list): New variable.
442 (life_analysis): Initialize and finalize alias analysis.
443 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
444 (insn_dead_p): For a store to memory, search the entire mem_set_list
446 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
447 changes to their addresses. Add new entries to the mem_set_list for
448 memory writes writes.
449 (mark_used_regs): Kill entries on the mem_set_list which may be
450 referenced by a load operation.
452 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
454 * alias.c (base_alias_check): Add missing return for differing
457 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
459 * mips-tdump.c (print_file_desc): Handle unknown filenames and
460 missing local symbols.
462 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
464 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
466 * system.h (bcopy): Implement with memmove not memcpy.
468 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
470 * Makefile.in (cppulp.o): Add dependencies.
472 * i386.md (integer conditional moves): Add missing earlyclobbers.
474 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
475 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
476 where a register is live.
478 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
480 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
481 of a FP conditional move is not on the FP register stack.
483 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
485 * version.c: Bump for snapshot.
487 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
489 * reload1.c (reload_cse_regs_1): Do not call
490 reload_cse_simplify_operands for an insn with asm operands.
492 * cccp.c (print_help): Fix typos.
493 * cpplib.c (print_help): Fix typos.
494 * toplev.c (f_optiosn): Fix typos.
495 (documented_lang_options): Fix typos.
497 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
499 * gcc.c: (do_spec_1): Fix obvious typo.
501 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
503 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
504 a non-static function declaration follows a static one.
506 * invoke.texi (-Wtraditional): Document the extra check now done
509 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
511 * pa.md (shadd): Create shadd insns, even if the result of the shift is
512 needed without the addition.
514 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
516 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
518 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
520 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
522 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@mhpcc.edu>
524 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
525 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
526 non_add_cint_operand, non_logical_cint_operand): Likewise.
527 (get_issue_rate): Add CPU_PPC604E case.
528 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
530 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
532 * expr.c (queued_subexp_p): Make public.
533 * expr.h (queued_subexp_p): Declare it.
534 * recog.c (asm_operand_ok): New function.
535 (check_asm_operands): Use it. After reload, use constrain_operands
537 * recog.h (asm_operand_ok): Declare it.
538 * stmt.c (expand_asm_operands): Use it to try harder to make
539 asms initially satisfy their constraints.
541 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
543 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
544 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
546 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
548 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
549 in delay slot of RPTBD.
551 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
553 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
554 divide and modulo sign problem.
556 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
558 * unroll.c (loop_iterations): Return 0 if the last loop insn
559 is not a jump insn or if the loop has multiple back edges.
561 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
563 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
564 a register with another DEST_ADDR giv if the address is not valid.
566 * pa.c (hppa_expand_epilogue): Save and restore the static chain
567 around the call to mcount.
569 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
571 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
572 generating non-canonical rtl.
574 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
576 * config/i960/i960.c (i960_output_move_double_zero,
577 i960_output_move_quad_zero): New functions for moving zeros.
578 (i960_output_move_double, i960_output_move_quad): Additional code
579 for situation when moving unaligned register group.
581 * config/i960/i960.h (i960_output_move_double_zero,
582 i960_output_move_quad_zero): The function definitions.
584 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
586 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
588 * config/i960/i960.c (i960_function_prologue): New code (optimal
589 solution) for saving global registers in local registers.
590 (form_reg_groups, reg_group_compare, split_reg_group): New
591 functions used by the code.
592 (reg_group): New structure definition for the new code.
594 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
596 * integrate.c (expand_inline_function): Recognize (mem (addressof))
597 and substitute. Copy the return value from there into a new pseudo.
599 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
601 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
602 before generating a call to abort for volatile functions.
603 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
604 (TARGET_ABORT_NORETURN): Define.
605 (abort-on-noreturn): New option.
607 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
609 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
610 and binarycc operations in 3rd annulled delay slot!
612 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
614 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
615 before generating a call to abort for volatile functions.
616 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
617 (TARGET_ABORT_NORETURN): Define.
618 (abort-on-noreturn): New option.
620 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
622 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
623 Remove prototype which we get from libiberty.h.
625 * collect2.c (xstrdup): Likewise.
627 * genextract.c (xstrdup): Likewise for `copystr'.
628 (mybzero): Remove it and use `memset' instead.
630 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
631 to use `memcpy' and `memset' instead.
633 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
634 changed. Remove prototype.
635 (mybcopy, mybzero): Remove these and use memcpy/memset.
637 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
639 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
640 generating code for TARGET_64BIT.
642 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
644 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
645 HOST_WIDE_INT word-size.
646 (rs6000_stack_info): Remove redundant alignment of fpmem.
648 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
650 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
651 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
652 (input_operand): Adjust CONSTANT_P_RTX handling.
653 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
654 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
655 (movhi, movqi): Remove CONSANT_P_RTX handling.
656 (movdi): Adjust CONSTANT_P_RTX handling.
658 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
660 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
662 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
664 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
665 ensure all prototypes necessary for building libio will be available.
666 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
667 definitions here as they are not host specific.
668 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
670 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
672 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
674 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
676 * version.c: Bump for snapshot.
678 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
680 * rtl.c (rtx_alloc): Use memset instead of inline loop.
682 * recog.h (recog_op_alt): Declare extern.
684 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
686 * function.c (purge_addressof_1): If the note accesses a mem+addressof
687 in a wider mode than any replacement, adjust the cached replacement.
688 Cache trivial substitutions as well.
690 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
692 * Makefile.in (OBJECTS): Add sbitmap.o.
693 (BASIC_BLOCK_H): Add sbitmap.h.
694 * basic-block.h: Move simple bitmap code to sbitmap.h.
695 * flow.c: Move simple bitmap code to sbitmap.c
696 * sbitmap.h, sbitmap.c: New files.
698 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
700 * alpha.h (TARGET_SWITCHES): Document switches.
701 (TARGET_OPTIONS): Likewise.
703 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
705 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
707 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
709 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
711 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
712 (basic_block_end): Rename to x_basic_block_end.
713 (BLOCK_HEAD, BLOCK_END): Update.
715 * caller-save.c: Change basic_block_head/end references to
717 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
718 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
719 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
721 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
723 * gcc.c (xstrerror): Renamed from my_strerror. All callers
724 changed. Remove prototype since we get that from libiberty.h.
726 * protoize.c (xstrerror): Likewise.
728 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
730 * gcc.c (read_specs): Ensure format specifiers match their arguments.
732 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
734 * tree.c (copy_node): Oops. That would be copy not zero
737 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
739 * config/c4x/c4x.c: Include system.h.
740 (c4x_caller_save_map): Disable caller save for RC.
741 (c4x_optimization_options): Disable scheduling before reload.
742 (valid_parallel_load_store) : Define return type as int.
743 Remove unused variable regs.
744 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
746 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
748 (*db, decrement_and_branch_until_zero): Fix up constraints
749 to keep reload happy.
751 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
753 * tree.c (make_node): Call bzero instead of inline clear.
754 (copy_node, make_tree_vec, build1): Likewise.
755 (get_identifier): Call strlen instead of inline count.
756 (maybe_get_identifier): Likewise.
758 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
760 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
761 operations in 3rd annulled delay slot.
762 (*lshrqi3_const_set): Disallow c constraint for operand0.
763 (modhi3+1, modhi3+2): Set attribute type to multi.
764 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
767 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
769 * gansidecl.h: Allow attribute unused on labels only when we are
770 version 2.93 or higher. Not all versions of 2.92 have this feature.
772 * version.c: Bump minor number to 93.
774 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
776 * config/m68k/m68k.h: Declare output_function_epilogue.
777 * recog.h: Declare next_insn_tests_no_inequality.
779 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
781 * stmt.c (optimize_tail_recursion): New function, extracted from ...
782 (expand_return): Use optimize_tail_recursion.
783 * tree.h (optimize_tail_recursion): Declare.
785 * toplev.c (compile_file): Move call to output_func_start_profiler
786 to after the loop to emit deferred functions.
788 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
790 * system.h (abort): Supply more detailed information on how to
791 report an Internal Compiler Error.
793 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
795 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
796 allocate memory that will live beyond this function.
797 (expand_call): Free it here.
799 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
801 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
802 integer data not destined for fp regs.
803 (LEGITIMIZE_RELOAD_ADDRESS): New.
805 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
806 Richard Henderson <rth@cygnus.com>
808 Support for Hypersparc and Sparclite86x:
809 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
810 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
811 (ASM_CPU32_DEFAULT_SPEC): Likewise.
812 (TARGET_CPU_DEFAULT): Likewise.
813 (enum processor_type): Likewise.
814 (CPP_ENDIAN_SPEC): Handle little endian data.
815 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
816 (ADJUST_COST): Call sparc_adjust_cost.
817 * sparc.c (sparc_override_options): Fix up for the new targets.
818 (supersparc_adjust_cost): Make static.
819 (hypersparc_adjust_cost): New.
820 (ultrasparc_adjust_cost): Make static.
821 (sparc_adjust_cost): New.
822 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
823 (function_unit): Add hypersparc scheduling rules.
825 * configure.in (with_cpu handler): Recognize hypersparc.
827 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
829 * config/c4x/c4x.c: Added space after negation operator.
830 * config/c4x/c4x.h: Likewise.
831 * config/c4x/c4x.md: Likewise.
833 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
835 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
837 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
839 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
840 when a test can't be performed due to limited width of
841 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
842 Fix UDIV case for cases where the first operand has the highest bit
845 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
847 * pa.h (reg_class): Add FPUPPER_REGS.
848 (REG_CLASS_NAMES): Similarly.
849 (REG_CLASS_CONTENTS): Similarly
850 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
851 (FP_REG_CLASS_P): Likewise.
852 (REG_CLASS_FROM_LETTER): Similarly.
853 (CLASS_MAX_NREGS): Similarly.
855 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
857 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
858 for a typedef of bool. Make sure to have a copy of the file is
859 in place before we look to fix it. Fix typo in variable name to
862 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
864 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
865 value_mode for the return mode.
867 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
869 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
870 debugging as default.
872 * config/tm-dwarf2.h: New file.
874 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
876 * h8300.h (ASM_OUTPUT_LABELREF): Define.
878 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
879 * local-alloc.c (update_equiv_regs): Corresponding changes.
880 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
882 * calls.c (special_function_p): Push alloca test inside the large
883 conditional which excludes functions not at file scope or not
886 * calls.c (special_function_p): New function broken out of
888 (precompute_register_parameters): Likewise.
889 (store_one_arg): Likewise.
890 (store_unaligned_argumetns_into_pseudos): Likewise.
891 (save_fixed_argument_area): Likewise.
892 (restore_fixed_argument_area): Likewise.
893 (expand_call): Corresponding changes.
895 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
897 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
899 (const_sint32_operand): Likewise.
901 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
903 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
904 is a macro when deciding if we can use `jmp_buf' in prototypes.
906 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
908 * config/c4x/c4x.md (addqi3): If the destination operand is
909 a hard register other than an extended precision register,
910 emit addqi3_noclobber.
911 (*addqi3_noclobber_reload): New pattern added so that reload
912 will recognise a store of a pseudo, equivalent to the sum
913 of the frame pointer and a constant, as an add insn.
915 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
917 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
918 * configure: Rebuilt.
919 * i386/xm-go32.h: Define LIBSTDCXX.
921 * i386/go32.h (MD_EXEC_PREFIX): Define.
922 (FILE_NAME_ABSOLUTE_P): Define.
923 (LINK_COMMAND_SPEC): Define.
925 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
927 * expr.c (store_expr): If the lhs is a memory location pointed
928 to be a postincremented (or postdecremented) pointer, always
929 force the rhs to be evaluated into a pseudo.
931 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
933 * real.c (mtherr): Print more reasonable warning messages.
935 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
937 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
939 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
940 (new_include_prefix): Constify char* parameters.
942 * cppfiles.c (read_name_map): Likewise.
943 (append_include_chain): Likewise. Also, use a writable char* copy
944 of parameter `dir' which we then modify, rather than using the
945 parameter itself to store the new writable string.
946 (remap_filename): Constify some variables. Also, use a writable
947 char* to store an allocated string which we will be modifying.
949 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
950 (cpp_start_read): Constify variable `str'.
952 * cpplib.h (append_include_chain): Constify a char* parameter.
954 * gcc.c Include prefix.h, don't prototype prefix.c functions.
955 (add_prefix, save_string): Constify char* parameters.
956 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
958 * prefix.c: Include prefix.h.
959 (get_key_value, translate_name, save_string, update_path,
960 set_std_prefix): Constify various char* parameters and variables.
961 (save_string): Use xmalloc, not malloc.
962 (translate_name): Use a writable temporary variable to create and
963 modify a string before setting it to a const char*.
965 * prefix.h: New file to prototype functions exported from prefix.c.
967 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
969 * cpplib.c (skip_if_group): Split out the logic that handles
970 directive recognition to its own function. Don't use
971 parse markers; use a bare pointer into the buffer. Use
972 copy/skip_rest_of_line instead of doing it by hand. Remove
973 `return on any directive' mode which was never used, and take
975 (consider_directive_while_skipping): New function, subroutine
976 of skip_if_group. Logic streamlined a bit.
977 (conditional_skip, do_elif, do_else): Call skip_if_group with
980 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
982 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
985 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
987 * extend.texi (Bound member functions): Document.
989 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
991 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
992 lang_to_string, type_to_string): Make return type const char*.
993 (print_symbol): Apply `const' keyword to a char*.
994 (print_file_desc): Cast structure member `crfd' to ulong when
995 comparing against one.
997 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
998 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
999 (progname, input_name): Apply `const' keyword to a char*.
1000 Don't redundantly include sys/stat.h.
1001 (alloc_info): Apply `const' keyword to a char*.
1002 (st_to_string, sc_to_string): Likewise.
1003 (hash_string): Cast variable `hash_string' to a symint_t when
1004 comparing against one.
1005 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
1006 Likewise cast it to long when comparing against one.
1007 (add_local_symbol): Apply `const' keyword to a char*.
1008 (add_ext_symbol): Likewise.
1009 (add_unknown_tag): Likewise.
1010 (add_procedure): Cast a printf-style field width to an int.
1011 (add_file): Cast PAGE_USIZE to long when comparing against one
1012 (parse_begin): Cast a printf-style field width to an int.
1013 (parse_bend): Likewise.
1014 (parse_def): Likewise.
1015 (parse_end): Likewise.
1016 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
1017 (parse_stabs_common): Fix format specifier.
1018 (parse_input): Change type of variable `i' to Size_t.
1019 (write_object): Fix arguments to match format specifiers.
1020 Cast variable `num_write' to long when comparing against one.
1021 (read_seek): Cast variable `sys_read' to symint_t when comparing
1022 against one. Fix arguments to match format specifiers. Cast
1023 variable `size' to long when comparing against one.
1024 (copy_object): Cast result of `sizeof' to int when comparing
1025 against one. Fix arguments to match format specifiers. Cast
1026 variable `ifd' to long when comparing against a signed value.
1029 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1031 * c-common.c (decl_attributes): Allow applying attribute `unused'
1034 * c-parse.in (label): Parse attributes after a label, and call
1035 `decl_attributes' to handle them.
1037 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
1039 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
1040 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
1042 * invoke.texi: Note that labels can be marked `unused'.
1044 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
1046 * version.c: Bump for snapshot.
1048 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
1050 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
1051 RTL for a compare/jump sequence.
1053 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1055 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
1056 for a target with HAVE_cc0 defined.
1057 (emit_cmp_and_jump_insns): New function.
1058 * expr.h (emit_cmp_and_jump_insns): Prototype it.
1059 * loop.c (check_dbra_loop): Use it to replace calls
1060 to emit_cmp_insn and emit_jump_insn and to canonicalise
1061 the comparison if necessary.
1062 * unroll.c (unroll_loop): Likewise.
1064 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1066 * fixincludes (sys/utsname.h): Provide forward declaration of
1067 struct utsname on Ultrix V4.[35].
1069 * mips.md (div_trap): Use local labels instead of dot-relative
1072 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
1074 * pa.md (branch, negated branch): Handle (const_int 0) as first
1076 * pa.c (output_cbranch): Likewise.
1078 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
1080 * rs6000.c (rs6000_stack_info): Undo spurious part of last
1083 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
1085 * extend.texi (__builtin_constant_p): Add missing @smallexample.
1087 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
1089 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
1091 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
1093 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
1094 (adddi_dishl32): Similarly.
1096 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
1097 for each insn in the skipped block.
1099 * reload1.c (reload_as_needed): Verify that the insn satisfies its
1100 constraints after replacing a register address with an autoincrement
1101 address for reload inheritance purposes.
1103 * i386.md (doubleword shifts): Avoid namespace pollution.
1105 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
1107 * configure.in (FreeBSD ELF): Needs special crt files.
1109 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
1111 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
1113 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1115 * loop.c (check_dbra_loop): While reversing the loop, if the
1116 comparison value has a VOID mode use the mode of the other operand
1117 to compute the mask.
1119 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
1121 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
1122 avoid warnings in compiling explow.c.
1124 (patch from Ken Raeburn, raeburn@cygnus.com)
1125 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
1126 fpmem_offset. Compute total size after that, and then
1127 rs6000_fpmem_offset using both values.
1129 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1131 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
1132 the future; indeed that already happens in some cases.
1134 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
1136 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
1137 (arith_operand): Remove constant_p_rtx handling.
1138 (const64_operand, const64_high_operand): Likewise.
1139 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
1140 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
1141 (small_int_or_double, uns_small_int, zero_operand): Likewise.
1142 * sparc.h (PREDICATE_CODES): Likewise.
1144 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
1146 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
1148 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
1149 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
1150 consider constant CONSTRUCTOR constant and to defer some cases
1152 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
1153 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
1155 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
1157 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
1158 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
1160 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
1161 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
1162 (sext_add_operand, and_operand, or_operand): Likewise.
1163 (reg_or_cint_operand, some_operand, input_operand): Likewise.
1164 * alpha.h (PREDICATE_CODES): Likewise.
1166 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
1168 * version.c: Bump for snapshot.
1170 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
1172 * gengenrtl.c (gencode): Always use bzero to clear memory instead
1173 of dangerous casts and stores.
1175 * Makefile.in (compare, gnucompare): Add missing else true clauses.
1177 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
1179 * alpha.md (builtin_longjmp): Add missing "DONE".
1181 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
1183 * gcc.c (execute): Enable -pipe with win32.
1185 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
1187 * config/arm/t-arm-elf: Add multiplib option for leading
1190 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
1191 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
1193 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
1194 than variable 'reload_address_base_reg_class'. [Note this
1195 change is unrelated to the others in this patch].
1197 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
1200 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1202 * alias.c (record_alias_subset): Remove ignored `&'.
1203 (init_alias_once): Likewise.
1205 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
1207 * config/mips/mips.c (mips_asm_file_end): Cast the result of
1208 fwrite to `int' when comparing against one.
1210 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
1211 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
1213 * cse.c (rehash_using_reg): Change type of variable `i' to
1216 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
1217 assigning it to one.
1219 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
1221 * final.c (final_scan_insn): Likewise for variable `i'.
1222 (output_asm_insn): Cast a char to unsigned char when used as an
1225 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
1226 assigning it to one.
1228 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
1230 * recog.c (preprocess_constraints): Cast a char to unsigned char
1231 when used as an array index.
1233 * regmove.c (find_matches): Likewise.
1235 * reload1.c (calculate_needs): Add default case in switch.
1236 (eliminate_regs_in_insn): Initialize variable `offset'.
1237 (set_offsets_for_label): Change type of variable `i' to unsigned.
1238 (reload_as_needed): Wrap variable `i' in macro check on
1239 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
1241 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
1242 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
1243 when comparing against one.
1245 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
1246 unsigned when comparing against one. Likewise for
1247 GET_MODE_ALIGNMENT().
1248 (layout_record): Cast record_align to int when comparing against a
1250 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
1253 * tree.c (get_identifier): Cast variable `len' to unsigned when
1254 comparing against one.
1255 (maybe_get_identifier): Likewise
1257 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
1259 * toplev.c (rest_of_compilation): Do not set reload_completed.
1260 * reload1.c (reload): Set reload_completed before calling
1261 cleanup_subreg_operands.
1263 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
1265 * reload1.c (emit_reload_insns): Check `set' not null before use.
1267 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
1269 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
1272 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1274 * halfpic.c (half_pic_encode): Delete redundant code.
1276 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
1278 * toplev.c (main): Delete handling of -dM as a preprocessor
1281 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
1283 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
1284 -dI, which are handled by the preprocessor.
1286 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
1288 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
1289 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
1291 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
1293 * version.c: Bump for snapshot.
1295 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
1297 * version.c: Bump for snapshot.
1299 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
1301 * version.c: Bump for snapshot.
1303 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1305 * genattr.c (fatal): Qualify a char* with the `const' keyword.
1307 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
1308 write_unit_name, write_eligible_delay, expand_units,
1309 make_length_attrs, write_attr_case, find_attr,
1310 make_internal_attr): Likewise.
1311 * gencheck.c (tree_codes): Likewise.
1312 * gencodes.c (fatal): Likewise.
1313 * genconfig.c (fatal): Likewise.
1314 * genemit.c (fatal): Likewise.
1315 * genextract.c (fatal, walk_rtx, copystr): Likewise.
1316 * genflags.c (fatal): Likewise.
1317 * genopinit.c (fatal, optabs, gen_insn): Likewise.
1318 * genoutput.c (fatal, error, predicates): Likewise.
1319 * genpeep.c (fatal): Likewise.
1320 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
1321 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
1323 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1325 * configure.in (with-fast-fixincludes): Fix whitespace.
1326 * configure: Rebuilt.
1328 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
1329 asm() etc. function declarations in __DECC.
1331 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
1333 * expr.c (emit_move_insn_1): Only emit a clobber if the target
1334 is a pseudo register.
1336 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
1338 * gcse.c: Include expr.h in order to get the prototype for
1339 get_condition() which is used in delete_null_pointer_checks().
1341 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1343 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
1345 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
1347 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
1348 (ALL_CFLAGS): Delete SCHED_CFLAGS.
1350 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
1352 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
1355 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
1357 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
1358 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
1359 optimizations from the combiner.
1361 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1363 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
1365 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
1367 * toplev.c (main): Disable optimize_size if a specific
1368 optimization level is requested. Always set optimization
1369 level to 2 if -Os is specified.
1371 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
1373 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
1375 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
1376 initialize it using fname.
1378 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
1380 * cpplib.c (do_include): Treat #include_next in the
1381 primary source file as #include plus warning. Treat
1382 #include_next in a file included by absolute path as an
1383 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
1385 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1387 * cccp.c: Don't define MIN/MAX anymore.
1388 * cpplib.c: Likewise.
1389 * machmode.h: Likewise.
1390 * system.h: Provide definitions for MIN/MAX.
1392 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
1394 * fix-header.c: Don't define xstrdup here.
1396 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1398 * loop.c (consec_sets_giv): New argument last_consec_insn.
1399 (strength_reduce): Provide / use it.
1401 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1403 * loop.h (loop_info): New field 'vtop'.
1404 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
1405 scanning loop for vtop.
1406 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
1407 (loop_iterations): Use them to determine if loop has a constant
1408 number of iterations. Set loop_info->vtop. Don't subtract
1409 common reg term from initial_value and final_value if have a
1412 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
1414 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
1416 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
1418 * mn10200.md (abssf2, negsf2): New expanders.
1420 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
1422 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
1424 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
1425 replaced by a CONCAT whoes components do not have the same
1426 mode as the original SUBREG, use a new SUBREG to restore the
1429 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
1430 multiword complex values.
1432 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
1434 * cppalloc.c: Add xstrdup here.
1435 * cpplib.h: Remove savestring prototype.
1436 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
1438 * cppfiles.c: s/savestring/xstrdup/ throughout.
1440 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
1442 * cpplib.c: Make all directive handlers read their own
1444 (struct directive): Remove last two arguments from FUNC
1445 member prototype. Remove `command_reads_line' member
1447 (directive_table): Remove initializations of
1448 command_reads_line flag. Pretty-print.
1449 (eval_if_expression, do_define, do_line, do_include,
1450 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
1451 do_else, do_elif, do_sccs, do_assert, do_unassert,
1452 do_warning): Take only two args.
1454 (cpp_define): Call do_define with two args and the text to
1455 define stuffed into a buffer.
1456 (make_assertion): Call do_assert with two args.
1457 (handle_directive): Call do_line with two args. Call
1458 kt->func with two args. Remove command_reads_line
1460 (do_define, do_undef, do_error, do_warning, do_pragma,
1461 do_sccs): Read the rest of the line here.
1462 (do_ident): Gobble rest of line, as cccp does.
1463 (cpp_undef): New function.
1464 (cpp_start_read): Call cpp_undef instead of do_undef.
1466 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
1468 * cpphash.h (union hash_value): Remove `keydef' member, add a
1469 `struct hashnode *aschain' member for #assert.
1471 * cpplib.c (struct tokenlist_list, struct
1472 assertion_hashnode): Delete structure definitions.
1473 (assertion_install, assertion_lookup, delete_assertion,
1474 check_assertion, compare_token_lists, reverse_token_list,
1475 read_token_list, free_token_list): Delete functions.
1476 (parse_assertion): New function.
1477 (cpp_cleanup): Don't destroy the assertion_hashtable.
1479 (do_assert): Gut and rewrite. #assert foo (bar) places
1480 entries for `#foo' and `#foo(bar)' in the macro hash table,
1481 type T_ASSERT. The value union's `aschain' member is used
1482 to chain all answers for a given predicate together.
1483 (do_unassert): Also rewritten. Take an un-asserted
1484 answer off the chain from its predicate and call
1485 delete_macro on the hashnode, or walk a predicate chain
1486 calling delete_macro on all the entries.
1487 (cpp_read_check_assertion): Simply call parse_assertion to
1488 get the canonical assertion name, and look that up in the
1491 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
1494 * cpphash.c (install): Use bcopy instead of an explicit loop
1495 to copy the macro name.
1497 * cppexp.c (cpp_lex): Convert the result of
1498 cpp_read_check_assertion to a `struct operation' directly;
1499 don't go through parse_number.
1501 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1503 * loop.h (struct induction): Delete times_used member.
1504 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
1505 (n_times_used): Rename to n_times_set. Changed all users.
1506 (scan_loop): Free reg_single_usage before strength reduction.
1507 (record_giv, combine_givs): Remove handling of times_used member.
1508 (combine_givs_used_once): Rename to:
1509 (combine_givs_used_by_other) . Changed all callers.
1511 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
1513 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
1514 instead of TREE_CODE_CLASS == 't'.
1515 (gen_type_die): Likewise.
1516 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
1518 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
1520 * real.c (endian): Disable last change unless
1521 HOST_BITS_PER_WIDE_INT is greater than 32.
1523 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1525 * output.h (force_data_section): New prototype.
1526 * varasm.c (force_data_section): New function to force the
1527 data section, regardless of what in_section thinks.
1528 * dwarf2out.c (output_call_frame_info): Call force_data_section
1529 since varasm may not realize we've changes sections.
1531 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
1533 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
1534 after completeing reload.
1536 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
1537 deleted after reload.
1539 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
1541 * rtl.h (multiple_sets): Fix prototype.
1542 * rtlanal.c (multiple_sets): Fix return type.
1544 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
1546 * version.c: Bump for snapshot.
1548 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
1550 * version.c: Bump for snapshot.
1552 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
1554 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
1556 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1558 * rtl.h (recompute_reg_usage): Add second argument.
1559 * flow.c (recompute_reg_usage): Likewise.
1560 * toplev.c (rest_of_compilation): Supply second argument to
1561 recompute_reg_usage.
1563 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
1566 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
1568 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
1569 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
1570 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
1573 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
1575 * rtlanal.c (multiple_sets): New function.
1576 * rtl.h (multiple_sets): Declare it.
1577 * local-alloc.c (wipe_dead_reg): Use it.
1578 * global.c (global_conflicts): Likewise.
1580 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
1582 * global.c (record_conflicts): Don't use an array of shorts to
1583 store an array of ints.
1584 (global_conflicts): Likewise.
1586 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
1588 * alpha.c (alpha_expand_block_move): mode_for_size expects
1589 bits, not bytes. Infer extra alignment from addressof.
1591 1998-12-11 Michael Meissner <meissner@cygnus.com>
1593 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
1594 .sbss section, not .sdata.
1596 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
1598 * cccp.c: Do not #include <sys/stat.h> here; this is already done
1600 * collect2.c: Likewise.
1601 * cpplib.h: Likewise.
1604 * getpwd.c: Likewise.
1605 * protoize.c: Likewise.
1606 * toplev.c: Likewise.
1608 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
1609 and don't try to define it here.
1610 * Makefile.in (cppmain.o): Depend on machmode.h.
1611 (cpplib.o): Likewise.
1612 (cpperror.o): Likewise.
1613 (cppexp.o): Likewise.
1614 (cppfiles.o): Likewise.
1615 (cpphash.o): Likewise.
1616 (cppalloc.o): Likewise.
1617 (fix-header.o): Likewise.
1618 (scan-decls.o): Likewise.
1620 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
1622 * sh.c (print_operand): lookup interrupt_handler attribute instead
1623 of relying on static variable.
1624 * (calc_live_regs): Likewise.
1625 * (sh_pragma_insert_attributes): Create interrupt_handler
1626 attribute if a pragma was specified
1627 * (sh_valid_machine_decl_attribute): Don't set static flag.
1628 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
1630 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1632 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
1633 to determine if a register is live at a jump destination.
1634 Everything is dead at a BARRIER.
1636 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
1638 * cse.c (simplify_unary_operation): Sign-extend constants when
1639 they have the most significant bit set for the target.
1640 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
1642 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
1643 HOST_WIDE_INT temporary before negating it.
1644 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
1646 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
1648 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
1651 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1653 * collect2.h: New header file for prototypes.
1655 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
1657 * collect2.c: Include collect2.h.
1658 * tlink.c: Likewise.
1660 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
1662 * flow.c: Update some comments.
1664 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
1666 * objc/objc-act.c (cpp_initialized): Removed.
1667 (lang_init_options): Initialize cpplib.
1668 (lang_decode_option): Move initialization of cpplib to
1670 * c-lang.c: (parse_options,parse_in): Added.
1671 (lang_init_options): Initialized cpplib here.
1672 * c-decl.c (parse_options,cpp_initialized): Removed.
1673 (c_decode_option): Move initialization of cpplib to
1676 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1678 * reload1.c (reload_combine, reload_combine_note_store):
1679 Make STORE_RUID always valid.
1680 (reload_combine): Check if BASE is clobbered too early.
1682 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
1684 * reload.c (find_reloads): Display the insn that cannot be
1687 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
1689 * cccp.c (create_definition): Fix end of bufer logic.
1691 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1693 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
1694 pointer parameters changed to use the PARAMS() macro.
1696 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1698 * except.h (struct handler_info): Add handler_number field.
1699 * except.c (gen_exception_label): EH labels no longer need to be
1700 on the permanent obstack.
1701 (get_new_handler): Set the label number field.
1702 (output_exception_table_entry): Regenerate handler label reference
1703 from the label number field.
1704 (init_eh): Remove a blank line.
1705 * integrate.c (get_label_from_map): Labels no longer need to be
1706 on the permanent obstack.
1708 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
1710 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
1711 only when OUTER_CODE is SET.
1713 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1715 * loop.c (strength_reduce): If scan_start points to the loop exit
1716 test, be wary of subversive use of gotos inside expression statements.
1717 Don't set maybe_multiple for a backward jump that does not
1718 include the label under consideration into its range.
1719 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
1721 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1723 * explow.c (plus_constant_wide): Don't immediately return with
1724 result of recursive call.
1726 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1728 * eh-common.h (struct eh_context): Add table_index for rethrows.
1730 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
1731 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
1732 processed when inlined or unrolled (ie duplicated in some way).
1734 * rtl.c (reg_note_name): Add strings for new reg_note enums.
1736 * expr.h (rethrow_libfunc): New library decl.
1738 * optabs.c (rethrow_libfunc): Initialize.
1740 * except.h (struct eh_entry): Add new field 'rethrow_label'.
1741 (new_eh_region_entry): No longer exported from except.c.
1742 (duplicate_handlers): Renamed to duplicate_eh_handlers and
1743 different prototype.
1744 (rethrow_symbol_map, rethrow_used): New exported functions.
1745 (eh_region_from_symbol): New exported function.
1747 * except.c (create_rethrow_ref): New function to create a single
1748 SYMBOL_REF for a rethrow region.
1749 (push_eh_entry): Initialize a rethrow ref.
1750 (func_eh_entry): Add a rethrow_label field.
1751 (new_eh_region_entry): Make static, and initialize the rethrow entry.
1752 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
1753 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
1754 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
1755 a region into an appropriate new symbol.
1756 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
1757 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
1758 (end_catch_handler): Emit a barrier for new-exceptions since
1759 control can never drop through the end of a catch block.
1760 (expand_end_all_catch): new-exceptions never fall through a catch
1762 (expand_rethrow): use __rethrow routine for new exceptions.
1763 (output_exception_table_entry): Generate rethrow labels, if needed.
1764 (output_exception_table): Generate start and end rethrow labels.
1765 (init_eh): Create rethrow symbols for beginning and end of table.
1766 (scan_region): Don't eliminate EH regions which are the targets of
1769 * flow.c (make_edges): Add different edges for rethrow calls,
1770 identified by having the REG_EH_RETHROW reg label.
1771 (delete_unreachable_blocks): Don't delete regions markers which are
1772 the target of a rethrow.
1774 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
1775 allow save_for_inline_copying to call duplicate_eh_handlers.
1776 (save_for_inline_copying): Call duplicate_eh_handlers instead of
1777 exposing internal details of exception regions.
1778 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
1779 (expand_inline_function_eh_labelmap): New callback routine to
1780 allow expand_inline_function to call duplicate_eh_handlers.
1781 (expand_inline_function): Call duplicate_eh_handlers instead of
1782 exposing internal details of exception regions.
1783 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
1786 * libgcc2.c (find_exception_handler): Generalize to enable it to
1787 pick up processing where it left off last time for a rethrow.
1788 (__unwinding_cleanup): New function. debug hook which is called before
1789 unwinding when __throw finds there is nothing but cleanups left.
1790 (throw_helper): Common parts of __throw extracted out for reuse.
1791 (__throw): Common parts moved to throw_helper.
1792 (__rethrow): New function for performing rethrows.
1794 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
1796 * reload1.c (current_function_decl): Tweak declaration.
1798 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
1800 * c-decl.c (flag_isoc9x): Default off.
1801 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
1802 * cccp.c (print_help, main): Likewise.
1803 * gcc.c (default_compilers): Update for -std=gnu*.
1805 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
1807 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
1808 * demangle.h: Deleted.
1810 * reload1.c (current_function_decl): Declare.
1812 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1814 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
1816 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1818 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
1820 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
1822 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
1824 * configure: Rebuilt.
1825 * system.h: If the *_unlocked functions are available use them
1826 instead of the locked counterparts by defining macros.
1827 * config.in: Regenerated.
1829 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
1831 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
1832 wrong and should only be used for dump related things, not
1833 debugging information, instead main_input_filename should be used.
1834 Also, reuse output_file_directive if possible.
1835 * i386/aix386ng.h (ASM_FILE_START): Likewise.
1836 * i386/isc.h (ASM_FILE_START): Likewise.
1837 * i386/win-nt.h (ASM_FILE_START): Likewise.
1838 * i386/sun386.h (ASM_FILE_START): Likewise.
1840 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
1842 * configure.in (mips*-*-linux*): Handle big and little endian
1844 * configure: Rebuilt.
1846 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1848 * emit-rtl.c: Fix typo.
1850 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1852 * reload1.c (eliminate_regs): Don't do anything, if we're not
1855 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1857 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1859 * mips/mips.c (mips_select_section): Add comment.
1861 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1863 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1864 characters in file names in #line to be consistent with #include
1865 handling. We support escape prcessing in the # 1 "..." version of
1866 the command. See also support in cp/lex.c.
1867 (handle_directive): Likewise.
1868 (do_line): Likewise.
1870 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1872 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1873 so it'll work on non-ASCII platforms. Always consider $ an
1874 identifier character. Take no arguments.
1875 (cpp_reader_init): Call initialize_char_syntax with no
1877 (cpp_start_read): Don't call initialize_char_syntax again.
1878 Clear is_idchar['$'] and is_idstart['$'] if not
1879 opts->dollars_in_ident.
1881 * cpplib.h (struct cpp_reader): Replace void *data element by
1882 cpp_options *opts. Rearrange elements to make gdb printout
1883 less annoying (put buffer stack at end).
1884 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1886 * cppmain.c: s/data/opts/ when initializing cpp_reader
1888 * c-decl.c: Likewise.
1889 * objc/objc-act.c: Likewise.
1890 * fix-header.c: Likewise.
1892 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1894 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1895 with a struct file_name_list pointer.
1896 (struct cpp_reader): Add pointer to chain of `actual
1897 directory' include searchpath entries.
1898 (struct file_name_list): Add *alloc pointer for the sake of
1899 the actual-directory chain.
1901 Move definition of HOST_WIDE_INT here.
1902 (cpp_parse_escape): Change prototype to match changes in
1905 * cppfiles.c (actual_directory): New function.
1906 (finclude): Use it to initialize the buffer's actual_dir
1908 (find_include_file): We don't need to fix up max_include_len
1911 * cpplib.c (do_include): Don't allocate a file_name_list on
1912 the fly for current directory "" includes, use the one that's
1913 been preallocated in pfile->buffer->actual_dir. Hoist out
1914 duplicate code from the search_start selection logic.
1915 (cpp_reader_init): Initialize pfile->actual_dirs.
1917 Remove definition of HOST_WIDE_INT. Change calls
1918 to cpp_parse_escape to match changes in cppexp.c (note
1919 hardcoded MASK, which is safe since this is the source
1922 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1923 to handle wide character constants in #if directives. The
1924 function now returns a HOST_WIDE_INT, and takes a third
1925 argument which is a binary mask for all legal values (0x00ff
1926 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1927 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1928 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1930 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1932 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1934 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1936 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1937 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1938 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1940 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1942 * final.c (output_asm_name): Use tabs to seperate comments from
1945 Include instruction lengths (if defined) in output.
1947 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1949 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1950 in the loop_info structure.
1952 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1954 * configure.in: (arm*-*-ecos-elf): New target.
1955 * configure: Regenerated.
1956 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1957 * config/arm/ecos-elf.h: New file.
1958 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1961 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1963 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1965 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1967 * version.c: Bump for snapshot.
1969 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1971 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1974 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1976 * version.c: Bump for snapshot.
1978 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1980 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1981 compressed reports are ok and preferred over URLs
1983 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1985 * invoke.texi (Warning Options): Soften the tone of -pedantic
1987 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1989 * print-rtl.c (print_rtx): Add prototype.
1991 * unroll.c (iteration_info): Make it static.
1993 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1995 * alias.c (memrefs_conflict_p): A second ANDed address
1996 disables the aligned address optimization.
1998 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
2000 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
2003 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
2005 * i960.h (BOOL_TYPE_SIZE): Define.
2007 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2009 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
2010 from old valid_parallel_operands_4.
2011 (valid_parallel_operands_4): Check that operands for 4 operand
2012 parallel insns are valid, excluding load/store insns.
2013 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
2014 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
2015 valid_parallel_load_store instead of valid_parallel_operands_4.
2016 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
2017 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
2018 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
2019 *notqi_movqi_clobber): Use valid_parallel_operands_4.
2020 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
2021 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
2022 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
2024 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2026 * config/c4x/c4x.c (iteration_info): Delete extern.
2028 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2030 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
2032 * final.c (cleanup_subreg_operands): Delete some unused code.
2034 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
2035 (struct insn_alternative): New structure definition.
2036 (recog_op_alt): Declare variable.
2037 (preprocess_constraints): Declare function.
2038 * recog.c (recog_op_alt): New variable.
2039 (extract_insn): Verify number of alternatives is in range.
2040 (preprocess_constraints): New function.
2041 * reg-stack.c: Include recog.h.
2042 (constrain_asm_operands): Delete.
2043 (get_asm_operand_lengths): Delete.
2044 (get_asm_operand_n_inputs): New function.
2045 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
2046 N_OUTPUTS args. All callers changed.
2047 Compute number of inputs and outputs here by calling
2048 get_asm_operand_n_inputs.
2049 Instead of constrain_asm_operands, call extract_insn,
2050 constrain_operands and preprocess_constaints. Use information
2051 computed by these functions throughout.
2052 (record_reg_life): Delete code that is unused due to changes in
2053 record_asm_reg_life.
2054 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
2055 N_INPUTS and N_OUTPUTS args. All callers changed.
2056 Similar changes as in record_asm_reg_life.
2057 (subst_stack_regs): Move n_operands declaration into the if statement
2059 Delete code that is unused due to changes in subst_asm_stack_regs.
2060 * stmt.c (expand_asm_operands): Verify number of alternatives is in
2062 * Makefile.in (reg-stack.o): Depend on recog.h.
2064 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
2066 * except.c (set_exception_version_code): Argument is an "int".
2068 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
2070 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
2071 * configure: Rebuilt.
2073 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
2075 * configure.in (mipsel-*-linux*): New target.
2076 * mips/linux.h: New file, based on other Linux targets.
2078 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
2080 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
2081 runs in the context of the deleter, not the deletee, so we must
2082 use taskVarGet to find the correct memory to free.
2083 (__gthread_key_create): Initialize the task
2084 variable subsystem so that the task variable is still active when
2085 the delete hook is run.
2087 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
2089 * pdp11.h: Use optimize_size for space optimizations.
2090 * pdp11.c: Likewise.
2091 * pdp11.md: Likewise.
2093 * pdp11.h (TARGET_40_PLUS): Fix typo.
2095 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
2097 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
2100 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2102 * alias.c (addr_side_effect_eval): New function.
2103 (memrefs_conflict_p): Use it.
2104 * rtl.h (addr_side_effect_eval): Prototype it.
2106 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
2108 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
2110 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
2112 * reload.c (find_reloads): When force const to memory, put result
2113 in substed_operand not *recog_operand_loc.
2115 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
2117 * c-lex.c: Fix indentation from last patch.
2118 Remove trailing whitespace.
2121 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
2123 * flow.c (delete_block): Call set_last_insn after we have reset
2124 NEXT_INSN (kept_tail).
2126 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
2128 * mips.md (trap_if): Use "$0" for the value zero.
2130 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
2131 Stephen L Moshier <moshier@world.std.com>
2132 Richard Henderson <rth@cygnus.com>
2134 * c-common.c (declare_function_name): Declare predefinied variable
2137 * c-decl.c (flag_isoc9x): Set to 1 by default.
2138 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
2139 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
2141 * c-parse.in: Allow constructors in ISO C 9x.
2142 Rewrite designator list handling.
2143 Allow [*] parameters.
2144 Don't warn about comma at end of enum definition for ISO C 9x.
2146 * cccp.c (c9x): New variable.
2147 (rest_extension): New variable.
2148 (print_help): Document new -std= option.
2149 (main): Recognize -std= option. Set c9x appropriately.
2150 (create_definition): Recognize ISO C 9x vararg macros.
2152 * gcc.c (default_compilers): Adjust specs for -std options.
2153 (option_map): Add --std.
2154 (display_help): Document -std.
2156 * toplev.c (documented_lang_options): Add -std and remove
2159 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
2160 or REAL_VALUE_HTOF based on base of the constants.
2161 * fold-const.c (real_hex_to_f): New function. Replacement function
2162 for hex FP conversion if REAL_ARITHMETIC is not defined.
2163 * real.c (asctoeg): Add handling of hex FP constants.
2164 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
2167 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
2169 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
2170 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
2171 expansion. Use hi/lo as destination register.
2173 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
2174 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
2175 Avoid as macro expansion. Use hi/lo as destination register.
2177 * mips.h (MASK_CHECK_RANGE_DIV): New.
2178 (MASK_NO_CHECK_ZERO_DIV): New.
2179 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
2180 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
2181 return address for leaf functions out of r31 to support
2182 builtin_return_address.
2184 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2186 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
2187 NEXT_INSN(x) to check insn x.
2189 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
2191 * flow.c (delete_block): Call set_last_insn if we end up deleting the
2192 last insn in the rtl chain.
2194 * reload1.c (reload): Do not set reload_completed or split insns
2196 * toplev.c (rest_of_compilation): Set reload_completed after
2197 reload returns. Split insns after reload_cse has run.
2199 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
2201 * final.c (final_scan_insn): Abort if block_depth falls below 0.
2203 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
2205 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
2207 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
2209 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
2210 use of user-label_prefix.
2212 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2214 * reload1.c (emit_reload_insns): Clear spill_reg_store
2215 when doing a new non-inherited reload from the same pseudo.
2217 * local-alloc.c (function_invariant_p): New function.
2218 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
2219 to decide if an equivalence should be recorded.
2220 * reload1.c (num_eliminable_invariants): New static variable.
2221 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
2222 to decide if an equivalence should be recorded.
2224 (calculate_needs_all_insns): Skip insns that only set an equivalence.
2225 Take num_eliminable_invariants into account when deciding
2226 if register elimination should be done.
2227 (reload_as_needed): Take num_eliminable_invariants into account
2228 when deciding if register elimination should be done.
2229 (eliminate_regs): Handle non-constant reg_equiv_constant.
2230 * rtl.h (function_invariant_p): Declare.
2232 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
2234 * version.c: Bump for snapshot.
2236 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
2238 * version.c: Bump for snapshot.
2240 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
2242 * except.c (add_new_handler): Complain about additional handlers
2243 after one that catches everything.
2245 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
2247 * configure.in (alpha*-*-netbsd): Fix typo.
2248 * configure: Rebuilt.
2250 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2252 * system.h: Include libiberty.h.
2254 * c-aux-info.c: Remove prototypes for concat/concat3. Change
2255 function `concat' from fixed parameters to variable parameters,
2256 as is done in libiberty. All callers of concat/concat3
2257 changed to use the new `concat' with variable args.
2259 * cccp.c: Remove things made redundant by libiberty.h and/or
2260 conform to libiberty standards.
2262 * collect2.c: Likewise.
2263 * config/1750a/1750a.h: Likewise.
2264 * cppalloc.c: Likewise.
2265 * cppexp.c: Likewise.
2266 * cppfiles.c: Likewise.
2267 * cpphash.c: Likewise.
2268 * cpplib.c: Likewise.
2269 * dyn-string.c: Likewise.
2270 * fix-header.c: Likewise.
2273 * genattr.c: Likewise.
2274 * genattrtab.c: Likewise.
2275 * gencheck.c: Likewise.
2276 * gencodes.c: Likewise.
2277 * genconfig.c: Likewise.
2278 * genemit.c: Likewise.
2279 * genextract.c: Likewise.
2280 * genflags.c: Likewise.
2281 * gengenrtl.c: Likewise.
2282 * genopinit.c: Likewise.
2283 * genoutput.c: Likewise.
2284 * genpeep.c: Likewise.
2285 * genrecog.c: Likewise.
2286 * getpwd.c: Likewise.
2287 * halfpic.c: Likewise.
2289 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
2290 in NEED_DECLARATION_* macros.
2292 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
2293 conform to libiberty standards.
2294 (fatal): Fix const-ification of variable `format' in
2295 !ANSI_PROTOTYPES case.
2297 * prefix.c: Remove things made redundant by libiberty.h and/or
2298 conform to libiberty standards.
2300 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
2301 conflicting with function `spaces' from libiberty.
2303 * profile.c: Remove things made redundant by libiberty.h and/or
2304 conform to libiberty standards.
2305 * protoize.c: Likewise.
2308 * tlink.c: Likewise.
2309 * toplev.c: Likewise.
2310 * toplev.h: Likewise.
2313 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2315 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
2317 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2319 * README.C4X: Updated URLs.
2320 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
2321 (valid_parallel_operands_5): Remove unused variable.
2323 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2325 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
2327 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
2329 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
2330 which can be configured.
2331 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
2332 (Makefile): Pass actual LANGUAGES through the environment when
2334 (cstamp-h): Likewise.
2335 (config.status): Likewise.
2337 * configure.in (enable_languages): Add new configuration parameter
2338 "--enable-languages=lang1,lang2,...".
2339 (${srcdir}/*/config-lang.in): Change handling to configure only
2340 those directories, that the user might have enabled; default to
2341 "all" existing languages.
2342 * configure: Regenerate.
2344 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
2346 * rtlanal.c (regs_set_between_p): New function.
2347 * rtl.h (regs_set_between_p): Prototype it.
2348 * jump.c (jump_optimize): Use it instead of modified_between_p
2349 in the Sep 2 change.
2351 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
2352 Matthias Pfaller <leo@dachau.marco.de>
2354 * invoke.texi (Option Summary, NS32K Options): add description
2355 of NS32K specific options.
2357 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
2358 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
2359 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
2360 negdf2, absdf2): Use l instead of f since the double class and
2361 float class are no longer the same.
2362 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
2363 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
2364 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
2365 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
2367 (cmpsi, cmphi, cmpqi): use general_operand instead of
2368 non_immediate_operand. Removes erroneous assumption that can't
2370 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
2371 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
2373 (movstrsi, movstrsi1, movstrsi2): completely new block move
2375 (...): Patterns to exploit multiply-add instructions.
2376 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
2377 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
2378 patterns to exploit extended divide insns.
2379 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
2382 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
2383 float return values as well as simple scalar floats.
2384 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
2385 support new flag to denote 32381 fpu.
2386 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
2387 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
2389 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
2390 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
2391 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
2392 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
2393 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
2394 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
2395 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
2396 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
2397 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
2398 fpu registers and special register classes for new 32381
2399 instructions dotf and polyf.
2400 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
2402 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
2403 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
2405 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
2406 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
2407 (REGISTER_MOVE_COST): move code to register_move_cost function for
2408 ease of coding and debugging.
2409 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
2410 LONG_FLOAT_REGO is likely spilled but not caught by default
2412 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
2413 instead of hard coded numbers in range check.
2414 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
2415 (...): Add prototypes for functions in ns32k.c but disable because
2416 of problems when ns32k.h is included in machine independant files.
2418 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
2419 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
2420 hard_regno_mode_ok, secondary_reload_class,
2421 print_operand, print_operand_address): new register scheme to
2422 include 32381 fpu registers and special register classes for new
2423 32381 instructions dotf and polyf.
2424 (gen_indexed_expr): Make static to keep namespace clean.
2425 (check_reg): remove since never called.
2426 (move_tail, expand_block_move): helper functions for "movstrsi"
2428 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
2429 Increase cost of moves which go via memory.
2430 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
2431 (CPP_PREDEFINES): nolonger predefine "unix".
2433 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
2434 Remove erroneous %$. print_operand() can work out from the rtx is
2435 an immediate prefix is required.
2437 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
2438 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
2439 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
2441 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
2444 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
2445 Correct handling of pic operands.
2446 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
2447 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
2448 -mrtd calling convention.
2450 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
2452 * gcc.c (option_map): Recognize --output-class-directory.
2454 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2456 * loop.h (precondition_loop_p): Added new mode argument.
2457 * unroll.c (precondition_loop_p): Likewise.
2458 (approx_final_value): Function deleted and subsumed
2459 into loop_iterations.
2460 (loop_find_equiv_value): New function.
2461 (loop_iterations): Use loop_find_equiv_value to find increments
2462 too large to be immediate constants. Also use it to find terms
2463 common to initial and final iteration values that can be removed.
2465 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2467 * loop.h (struct loop_info): Define new structure.
2468 (precondition_loop_p): Added prototype.
2469 (unroll_loop): Added new argument loop_info to prototype.
2470 (final_biv_value, final_giv_value): Added new argument n_iterations
2472 * loop.c (strength_reduce): Declare new structure loop_iteration_info
2473 and new pointer loop_info.
2474 (loop_n_iterations): Replace global variable by element in
2475 loop_info structure.
2476 (check_final_value): New argument n_iterations.
2477 (insert_bct): New argument loop_info.
2478 (loop_unroll_factor): Replace global array by element in
2479 loop_info structure.
2480 (loop_optimize): Remove code to allocate and initialise
2481 loop_unroll_factor_array.
2482 * unroll.c (precondition_loop_p): No longer static since
2483 used by branch on count optimization.
2484 (precondition_loop_p, unroll_loop): New argument loop_info.
2485 (final_biv_value, final_giv_value, find_splittable_regs): New
2486 argument n_iterations.
2487 (loop_iteration_var, loop_initial_value, loop_increment,
2488 loop_final_value, loop_comparison_code, loop_unroll_factor):
2489 Replaced global variables by loop_info structure.
2490 (loop_unroll_factor): Replace global array by element in
2491 loop_info structure.
2493 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2495 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
2498 * unroll.c (precondition_loop_p): Return loop_initial_value
2499 for initial_value instead of loop_iteration_var.
2501 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2503 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
2504 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
2505 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
2506 to output the instruction sequences.
2508 (rptb_top): Provide alternatives to use any register or memory
2510 (rptb_end): Emit use of operands rather than assigning them
2511 explicitly to the RS and RE registers.
2513 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2515 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
2516 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
2517 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
2518 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
2519 c4x_merge_notes, c4x_parallel_process,
2520 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
2521 c4x_combine_parallel): Delete.
2523 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2525 * config/c4x/c4x.c: (c4x_override_options): For compatibility
2526 with old target options clear flag_branch_on_count_reg if
2527 -mno-rptb specified and set flag_argument_alias is -mno-aliases
2529 (c4x_output_cbranch): Handle a sequence of insns rather than a
2531 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
2532 has not been allocated as the loop counter.
2533 (c4x_address_conflict): Do not allow two volatile memory references.
2534 (valid_parallel_operands_4, valid_parallel_operands_5,
2535 valid_parallel_operands_6): Reject pattern if the register destination
2536 of the first set is used as part of an address in the second set.
2538 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2540 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
2541 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
2542 is no longer enabled if PARALLEL_MPY_FLAG set.
2543 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
2544 (REG_CLASS_CONTENTS): Add braces around initializers.
2545 (HAVE_MULTIPLE_PACK): Define.
2546 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
2547 REAL_VALUE_TO_DECIMAL.
2548 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
2549 REAL_VALUE_TO_DECIMAL.
2550 (ar0_reg_operand): Add prototype.
2551 (ar0_mem_operand): Likewise.
2552 (ar1_reg_operand): Likewise.
2553 (ar1_mem_operand): Likewise.
2554 (ar2_reg_operand): Likewise.
2555 (ar2_mem_operand): Likewise.
2556 (ar3_reg_operand): Likewise.
2557 (ar3_mem_operand): Likewise.
2558 (ar4_reg_operand): Likewise.
2559 (ar4_mem_operand): Likewise.
2560 (ar5_reg_operand): Likewise.
2561 (ar5_mem_operand): Likewise.
2562 (ar6_reg_operand): Likewise.
2563 (ar6_mem_operand): Likewise.
2564 (ar7_reg_operand): Likewise.
2565 (ar7_mem_operand): Likewise.
2566 (ir0_reg_operand): Likewise.
2567 (ir0_mem_operand): Likewise.
2568 (ir1_reg_operand): Likewise.
2569 (ir1_mem_operand): Likewise.
2570 (group1_reg_operand): Likewise.
2571 (group1_mem_operand): Likewise.
2572 (ir1_reg_operand): Likewise.
2573 (arx_reg_operand): Likewise.
2574 (not_rc_reg): Likewise.
2575 (not_modify_reg): Likewise.
2576 (c4x_group1_reg_operand): Remove prototype.
2577 (c4x_group1_mem_operand): Likewise.
2578 (c4x_arx_reg_operand): Likewise.
2580 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
2582 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
2583 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
2585 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2587 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
2590 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2592 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
2593 unless FMOVD_WORKS is defined.
2595 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2597 * regclass.c (init_reg_sets): Move code that calculates tables
2598 dependent on reg_class_contents from here...
2599 (init_reg_sets_1): To here.
2601 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2603 * cpplib.h: Delete struct import_file. Add ihash element to
2604 struct cpp_buffer. Delete dont_repeat_files and
2605 import_hash_table elements from cpp_reader; change
2606 all_include_files to a hash table. Delete all foobar_include
2607 / last_foobar_include elements from struct cpp_options; put
2608 back four such: quote_include, bracket_include,
2609 system_include, after_include. Redo struct file_name_list
2610 completely. Add new structure type include_hash. Add
2611 prototypes for merge_include_chains and include_hash. Change
2612 prototypes for finclude, find_include_file, and
2613 append_include_chain to match changes below.
2615 * cppfiles.c (simplify_pathname, include_hash,
2616 remap_filename, merge_include_chains): New functions.
2617 (add_import, lookup_import, open_include_file): Removed.
2618 (INO_T_EQ): Define this (copied from cccp.c).
2619 (hack_vms_include_specification): Remove all calls and #if 0
2620 out the definition. It was being called incorrectly and at
2621 the wrong times. Until a VMSie can look at this, it's better
2622 to not pretend to support it.
2623 (append_include_chain): Change calling convention; now takes
2624 only one directory at a time, and sets up the data structure
2626 (redundant_include_p): Rewritten - this is now used for all
2627 include redundancy, whether by #ifndef, #import, or #pragma
2628 once. Looks up things in the include hash table.
2629 (file_cleanup): Decrement pfile->system_include_depth here if
2631 (find_include_file): Calling convention changed; now passes
2632 around a struct include_hash instead of 3 separate parameters.
2633 Guts ripped out and replaced with new include_hash mechanism.
2634 (finclude): Calling convention changed as for
2635 find_include_file. Error exits pulled out-of-line. Reformat.
2636 (safe_read): Return a long, not an int.
2637 (deps_output): Don't recurse.
2639 * cpplib.c (is_system_include): Deleted.
2640 (path_include): Fix up call to append_include_chain.
2641 (do_include): Fix up calls to find_include_file and finclude.
2642 Clean up dependency output a bit. Shorten obnoxiously lengthy
2643 #import warning message. Don't decrement
2644 pfile->system_include_depth here.
2645 (do_pragma): Understand the include_hash structure. Reformat.
2646 (do_endif): Correct handling of control macros. Understand
2648 (cpp_start_read): Fix up calls to finclude. Call
2649 merge_include_chains.
2650 (cpp_handle_option): Fix up calls to append_include_chain.
2651 Understand the four partial include chains.
2652 (cpp_finish): Add debugging code (#if 0-ed out) for the
2654 (cpp_cleanup): Free the include_hash, not the import hash and
2655 the all_include and dont_repeat lists which no longer exist.
2657 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
2659 * toplev.c (no_new_pseudos): Define.
2660 (rest_of_compilation): Set no_new_pseudos as needed.
2661 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
2662 if no_new_pseudos is set.
2663 * rtl.h (no_new_pseudos): Declare it.
2664 * reload1.c (reload): Update comments.
2665 * md.texi: Corresponding changes.
2667 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2669 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
2670 (choose_reload_regs): Rename it here as well. When computing it,
2671 also merge in used hardregs.
2673 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2675 * gcc.c: Split out Objective-C specs to...
2676 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
2679 * c-lex.c (init_parse): Always initialize the filename global.
2680 * objc/objc-act.c (lang_init): Always call check_newline at
2683 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
2685 * reload1.c (reload): Remove unused variable.
2686 (reload_reg_free_for_value_p): Add missing parameter definition.
2688 * jump.c (jump_optimize): Remove unused variable.
2690 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
2692 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
2694 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
2696 * expr.c (move_by_pieces): Similarly.
2697 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
2698 * flow.c (find_auto_inc): Similarly.
2699 (try_pre_increment): Similarly.
2700 * loop.c (strength_reduce): Similarly.
2701 * regclass.c (auto_inc_dec_reg_p): Similarly.
2702 * regmove.c (try_auto_increment): Similarly.
2703 (fixup_match_1): Similarly.
2704 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
2705 (HAVE_PRE_DECREMENT): Similarly.
2706 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
2707 * Corresponding changes to all target header files.
2708 * tm.texi: Update docs for autoinc addressing modes.
2710 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
2712 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
2713 * configure: Rebuild.
2714 * config/elfos.h: New file.
2715 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
2716 config/m68k/t-m68kelf: New file.
2718 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
2720 * Makefile.in (HOST_AR): Define.
2721 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
2722 (libcpp.a): Use the host tools explicitly.
2723 (STAGESTUFF): Add libcpp.a.
2725 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
2727 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
2728 to source and destination registers.
2730 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
2732 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
2733 The strategy we now use is to pre allocate the top_elt along
2734 with the EH context so that each thread has its own top_elt.
2735 This is necessary as the dynmanic cleanup chain is used on the
2736 top element of the stack and each thread MUST have its own.
2737 (eh_context_static): Likewise.
2738 (new_eh_context): Likewise.
2739 (__sjthrow): Likewise.
2741 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
2743 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
2744 * i386.md (prologue_get_pc): Remove unused variable.
2746 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
2748 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
2750 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
2752 * Makefile.in (OBJS): Add graph.o
2753 (graph.o): New dependency list.
2754 * flags.h: Declare dump_for_graph and define graph_dump_types type.
2755 * print-rtl.c (dump_for_graph): Define new variable.
2756 (print_rtx): Rewrite to allow use in graph dumping functions.
2757 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
2758 finish_graph_dump_file.
2759 Define graph_dump_format.
2760 (compile_file): If graph dumping is enabled also clear these files.
2761 Finish graph dump files.
2762 (rest_of_compilation): Also dump graph information if enabled.
2763 (main): Recognize -dv to enabled VCG based graph dumping.
2764 * graph.c: New file. Graph dumping functions.
2766 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
2768 * configure.in: Look for <sys/stat.h>.
2769 * system.h: Include it before substitute S_ISREG definitions.
2771 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
2773 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
2774 * config/mips/iris6.h: Same.
2775 * config/mips/mips.md: Same.
2776 * config/mips/mips.c: Same; also add "-mabi=o64" option.
2777 * config/mips/mips.h: Same; also define ABI_O64.
2779 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2781 * configure.in: Use AC_PREREQ(2.12.1).
2783 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2785 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
2786 * cpplib.c, gcc.c: Likewise.
2787 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
2789 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
2791 * local-alloc.c (local_alloc): Use malloc not alloca for
2792 reg_qty, reg_offset, ref_next_in_qty.
2794 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2796 * caller-save.c (insert_one_insn): Initialize the live_before and
2797 live_after register sets.
2801 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
2802 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
2803 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
2804 (fp_reg_names, assembler_dialect): New variables.
2805 (print_operand_address): Handle SUBREGs.
2806 (print_operand): Added 'o' case.
2807 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
2808 Name of FP registers depends on mode.
2809 (expand_block_move): Emit different code for SH4 hardware.
2810 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
2811 (from_compare): Likewise.
2812 (add_constant): New argument last_value. Changed all callers.
2813 (find_barrier): Don't try HImode load for FPUL_REG.
2814 (machine_dependent_reorg): Likewise.
2815 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
2816 (gen_far_branch): Emit a barrier after the new jump.
2817 (barrier_align): Don't trust instruction lengths before
2819 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
2820 Use auto-inc addressing for fp registers if doubles need to
2821 be loaded in two steps.
2822 Set sh_flag_remove_dead_before_cse.
2823 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
2824 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
2825 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
2826 Support for FIRST_XD_REG .. LAST_XD_REG.
2827 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
2828 (sh_expand_epilogue): Likewise.
2829 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
2830 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
2831 (arith_reg_operand): FPUL_REG is OK for SH4.
2832 (fp_arith_reg_operand, fp_extended_operand) New functions.
2833 (tertiary_reload_operand, fpscr_operand): Likewise.
2834 (commutative_float_operator, noncommutative_float_operator): Likewise.
2835 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
2836 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
2837 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
2838 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
2839 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
2840 (CONDITIONAL_REGISTER_USAGE): Likewise.
2841 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
2842 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
2843 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2844 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2845 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2846 to -1 and sh_flag_remove_dead_before_cse to 1.
2847 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2848 (assembler_dialect, fp_reg_names): Declare.
2849 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2850 Hide names of registers that are not accessible.
2851 (CACHE_LOG): Take TARGET_CACHE32 into account.
2852 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2853 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2854 (FIRST_PSEUDO_REGISTER: Now 49.
2855 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2856 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2857 (HARD_REGNO_MODE_OK): Update.
2858 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2859 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2860 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2861 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2862 (NPARM_REGS): Eight floating point parameter registers on SH4.
2863 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2864 in floating point registers.
2865 (GET_SH_ARG_CLASS) Likewise.
2866 Complex float types are also returned in float registers.
2867 (BASE_ARG_REG): Complex float types are also passes in float registers.
2868 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2869 (LIBCALL_VALUE): Remove trailing semicolon.
2870 (ROUND_REG): Round when double precision value is passed in floating
2872 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2873 passed on the stack.
2874 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2875 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2876 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2877 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2878 (MODE_DISP_OK_8): Not for SH4 DFmode.
2879 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2880 Allow indexed addressing for PSImode after reload.
2881 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2882 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2883 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2884 (DOUBLE_TYPE_SIZE): 64 for SH4.
2885 (RTX_COSTS): Add PLUS case.
2886 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2887 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2888 MAC_REGS, PR_REGS, DF_REGS.
2889 (REGISTER_NAMES): Use fp_reg_names.
2890 (enum processor_type): Add PROCESSOR_SH4.
2891 (sh_flag_remove_dead_before_cse): Declare.
2892 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2893 (PREDICATE_CODES): Add binary_float_operator,
2894 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2895 fpscr_operand, noncommutative_float_operator.
2896 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2897 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2898 * sh.md (attribute cpu): Add value sh4.
2899 (attrbutes fmovd, issues): Define.
2900 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2901 (function units memory, int, mpy, fp): Make dependent on issue rate.
2902 (function units issue, single_issue, load_si, load): Define.
2903 (function units load_store, fdiv, gp_fpul): Define.
2904 (attribute hit_stack): Provide proper default.
2905 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2906 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2907 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2908 (mulsi3_call): Now uses match_operand for function address.
2909 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2911 (push, pop, push_e, pop_e): Now define_expands.
2912 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2913 (movsi_ie): Added y/i alternative.
2914 (ic_invalidate_line_i, movdf_i4): New insns.
2915 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2916 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2917 (movdf): Add special code for SH4.
2918 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2919 (call_valuei, calli, call_value): Likewise.
2920 (movsf): Emit no-op move.
2921 (mov_nop, movsi_y): New insns.
2922 (blt, sge): generalize to handle DFmode.
2923 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2924 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2925 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2926 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2927 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2928 (toggle_sz): New insn.
2929 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2930 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2931 (macsf3): Make use of fpscr visible. Disable for SH4.
2932 (floatsisf2): Make use of fpscr visible.
2933 (floatsisf2_i4): New insn.
2934 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2935 (ieee_ccmpeqsf_t): Likewise.
2936 (fix_truncsfsi2): Emit different code for SH4.
2937 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2938 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2939 (negsf2, sqrtsf2, abssf2): Now expanders.
2940 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2941 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2942 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2943 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2944 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2945 (fix_truncdfsi2_i4_2+1): New splitters.
2946 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2947 (extendsfdf2, truncdfsf2): New expanders.
2948 (truncdfsf2_i4): New insn.
2949 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2950 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2951 * float-sh.h: When testing for __SH3E__, also test for
2952 __SH4_SINGLE_ONLY__ .
2953 * va-sh.h (__va_freg): Define to float.
2954 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2955 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2956 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2957 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2959 (TARGET_SH4_P): Define.
2962 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2963 init_expr_once is satisfied about the existence of load / store insns.
2965 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2966 change m constraint in source operand to mr / mf .
2968 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2970 * (__VA_REEF): Define.
2971 (__va_arg_sh1): Use it.
2973 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2975 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2977 * i386/dgux.c (struct option): Add new "description field".
2978 * m88k/m88k.c (struct option): Likewise.
2980 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2982 * version.c: Bump for snapshot.
2984 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2986 * regmove.c (regmove_profitable_p): Use return value of find_matches
2989 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2991 * version.c: Bump for snapshot.
2993 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2995 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2996 without reload having been called earlier.
2998 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
3000 (v850_reorg): Similarly.
3002 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
3004 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3006 * loop.c (move_movables): Start of libcall might be new loop start.
3008 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3010 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
3012 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3014 * function.c (nonlocal_goto_handler_slots): Renamed from
3015 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
3016 (push_function_context_to): Adjust for this change.
3017 (pop_function_context_from): Likewise.
3018 (init_function_start): Likewise.
3019 (expand_function_end): Likewise.
3020 * function.h (struct function): Likewise.
3021 * calls.c (expand_call): Likewise.
3022 * explow.c (allocate_dynamic_stack_space): Likewise.
3023 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
3024 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
3026 (expand_goto): When doing a nonlocal goto, find corresponding handler
3027 slot for it. Don't put the label address in the static chain register.
3028 (expand_end_bindings): Break out nonlocal goto handling code into
3029 three new functions.
3030 (expand_nl_handler_label, expand_nl_goto_receiver,
3031 expand_nl_goto_receivers): New static functions, broken out of
3032 expand_end_bindings and adapted to create one handler per nonlocal
3034 * function.c (delete_handlers): Delete insn if it references any of
3035 the nonlocal goto handler slots.
3036 * i960.md (nonlocal_goto): Comment out code that modifies
3038 * sparc.md (nonlocal_goto): Likewise.
3039 (goto_handler_and_restore_v9): Comment out.
3040 (goto_handler_and_restore_v9_sp64): Comment out.
3042 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3044 * expr.c (STACK_BYTES): Delete unused macro.
3045 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
3046 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
3047 (expand_call): Likewise.
3048 (emit_library_call): Likewise.
3049 (emit_library_call_value): Likewise.
3050 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
3051 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
3052 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
3053 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
3054 (allocate_dynamic_stack_space): Likewise.
3055 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
3056 (STACK_BOUNDARY): Update description to reflect the new situation.
3058 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
3060 * reorg.c (relax_delay_slots): When optimizing for code size, if a
3061 return with a filled delay slot is followed by a return with an
3062 unfilled delay slot, delete the first return and reemit the insn
3063 that was previously in its delay slot.
3065 * i860.c (single_insn_src_p): Add missing parens.
3066 * ginclude/math-3300.h: Likewise.
3068 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
3070 * regclass.c (init_reg_sets_1): Add prototype.
3071 (init_reg_modes): Likewise.
3073 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
3075 * c-common.c: Change warning messages to say `comparison is
3076 always true' or `comparison is always false' instead of the
3077 confusing `is always 0', `is always 1'.
3079 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
3081 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
3082 break instead of return (which loses closing '>').
3084 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
3086 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
3087 standard 387 constants.
3089 * i386.md (jump): Explicitly set "memory" attribute.
3090 (indirect_jump, prologue_set_stack_ptr): Likewise.
3091 (prologue_get_pc_and_set_got, pop): Likewise.
3092 (allocate_stack_worder, blockage, return_internal): Likewise.
3093 (return_pop_internal, nop): Likewise.
3094 (epilogue_set_stack_ptr, leave): Likewise.
3096 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
3098 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
3100 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3102 * reload1.c (reload_reg_free_for_value_p):
3103 Early auto_inc reloads don't conflict with outputs.
3105 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3107 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
3108 Instead call AC_HEADER_SYS_WAIT.
3110 * collect2.c: Don't provide defaults for sys/wait.h macros.
3112 * protoize.c: Likewise. Also, don't include sys/wait.h.
3114 * system.h: Include sys/wait.h and provide macro defaults.
3116 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3118 * Makefile.in (mandir): Set to @mandir@.
3119 (man1dir): New variable to hold the former value of $(mandir).
3120 Replace all uses of $(mandir) by $(man1dir).
3122 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
3124 * reload.c (find_reloads_address_part): If have a CONST_INT, create
3125 a new one before passing it to force_const_mem.
3127 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
3128 find_reloads_address call.
3130 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3132 * expr.c (store_expr): Don't generate load-store pair
3133 if TEMP is identical (according to ==) with TARGET.
3135 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3137 * reload1.c (reload_reg_free_for_value_p): When considered reload
3138 has an output, matching inputs are not sufficient to avoid conflict.
3140 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
3142 * hash.h (hash_table_key): New type.
3143 (hash_entry): Change `string' field to generic `key'.
3144 (hash_table): Add `comp' and `hash' functions.
3145 (hash_table_init): Take them as input.
3146 (hash_table_init_n): Likewise.
3147 (hash_lookup): Modify for generic keys.
3148 (hash_newfunc): Likewise.
3149 (hash_traverse): Likewise.
3150 (string_hash): New function.
3151 (string_compare): Likewise.
3152 (string_copy): Likewise.
3153 * hash.c (hash_table_init_n): Modify for generic keys.
3154 (hash_table_init): Likewise.
3155 (hash_lookup): Likewise.
3156 (hash_newfunc): Likewise.
3157 (hash_traverse): Likewise.
3158 (string_hash): Split out from hash_lookup.
3159 (string_compare): New function.
3160 (string_copy): Split out from hash_lookup.
3161 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
3163 (symbol_hash_lookup): Likewise.
3164 (file_hash_newfunc): Likewise.
3165 (file_hash_lookup): Likewise.
3166 (demangled_hash_newfunc): Likewise.
3167 (demangled_hash_lookup): Likewise.
3168 (tlink_int): Likewise.
3169 (read_repo_file): Likewise.
3170 (recompile_files): Likewise.
3171 (demangle_new_symbols): Likewise.
3172 (scan_linker_output): Likewise.
3174 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3176 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
3178 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
3180 * rs6000.c (output_mi_thunk): Improve test for local branch.
3182 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3184 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
3186 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3188 * reload1.c (reload_reg_free_before_p): Delete.
3189 Changed all callers to use reload_reg_free_for_value_p instead.
3190 (reload_reg_free_for_value_p): Handle more reload types.
3191 A RELOAD_FOR_INPUT doesn't conflict with its
3192 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
3193 Add special case for OUT == const0_rtx.
3194 Added ignore_address_reloads argument. Changed all callers.
3196 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
3198 * toplev.c (compile_file): Don't pedwarn about undefined static
3199 functions just because we passed -Wunused.
3201 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3203 * function.c (purge_addressof_1): Unshare rtl created by
3206 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3208 * regmove.c (regmove_optimize): Don't do anything but
3209 optimize_reg_copy[123] when flag_regmove is not set.
3211 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
3213 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
3214 value in paradoxical SImode result, rather than truncating midpoint.
3216 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
3218 * alpha.c (reg_not_elim_operand): New.
3219 * alpha.h (PREDICATE_CODES): Add it.
3220 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
3221 for the multiplicand.
3223 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
3225 * rs6000.md (movsf): Remove explicit secondary-reload-like
3226 functionality. Only truncate SFmode store if in FPR.
3227 (movsf splitters): Combine const_double splitters.
3228 (movsf_hardfloat): Add GPR support.
3230 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
3232 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
3233 deprecate -mlive-g0 and -mbroken-saverestore.
3234 * t-splet (MULTILIB_OPTIONS): Likewise.
3236 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
3237 in a leaf function. Clarify total_size/extra_size relationship.
3239 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
3241 * i386/cygwin32.asm: Delete.
3242 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
3243 * i386/cygwin32.h: Delete.
3244 * i386/cygwin.h: New file, renamed from cygwin32.h.
3245 * i386/t-cygwin32: Delete.
3246 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
3247 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
3248 * i386/x-cygwin32: Delete.
3249 * i386/x-cygwin: New file, renamed from x-cygwin32.
3250 * i386/xm-cygwin32: Delete.
3251 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
3252 renamed cygwin_ funcs for path translations.
3253 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
3254 * i386/winnt.c: Remove "32" from comment about cygwin.
3255 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
3256 * rs6000/cygwin32.h: Delete.
3257 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
3258 -D__CYGWIN__ to CPP_PREDEFINES.
3259 * rs6000/x-cygwin32: Delete.
3260 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
3261 * rs6000/xm-cygwin32: Delete.
3262 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
3264 * configure.in: Check for cygwin* instead of cygwin32. Account
3265 for the rename of cygwin-related config files to lose the "32"s.
3266 * configure: Regenerate.
3268 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
3269 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
3271 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
3273 * Makefile.in (JAVAGC): New macro.
3274 * configure: Rebuilt.
3275 * configure.in: Recognize --enable-java-gc argument. Subst
3278 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3280 Handle equivalences that have been obscured by gcse:
3282 * reload1.c (reload): Handle equivalences set up in multiple places.
3283 * local-alloc.c (reg_equiv_init_insns): New variable.
3284 (no_equiv): New function.
3285 (update_equiv_regs): Handle equivalences set up in multiple places.
3286 Don't ignore an insn just because its destination is likely to be
3289 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
3291 * except.c (expand_eh_return): Readd force_operand call lost in
3294 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
3296 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
3298 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3300 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
3302 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3304 * regmove.c (regmove_optimize): Fix error in last change.
3306 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
3308 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
3309 offset in the .mask pseudo to compensate for frame pointer adjustments.
3310 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
3311 word swap arguments moved to/from FP registers.
3312 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
3314 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
3316 * version.c: Bump for snapshot.
3318 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
3320 * version.c: Bump for snapshot.
3322 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
3324 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
3325 times, then it can not be completely replaced.
3327 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
3329 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
3331 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3333 * gansidecl.h: Prepend a "G" to the macro wrapping this file
3334 (to distinguish it from the macro wrapping ansidecl.h.)
3335 Include libiberty's ansidecl.h. Remove all redundant definitions.
3336 Define the PROTO() style macros in terms of the PARAMS() ones.
3339 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
3340 __STDC__, when deciding whether to use ANSI variable args.
3341 (emit_library_call_value): Likewise.
3343 * cccp.c (error): Likewise.
3344 (warning): Likewise.
3345 (error_with_line): Likewise.
3346 (warning_with_line): Likewise.
3347 (pedwarn): Likewise.
3348 (pedwarn_with_line): Likewise.
3349 (pedwarn_with_file_and_line): Likewise.
3352 * cexp.y (error): Likewise.
3353 (pedwarn): Likewise.
3354 (warning): Likewise.
3356 * collect2.c (fatal_perror): Likewise.
3360 * combine.c (gen_rtx_combine): Likewise.
3362 * cpperror.c (cpp_message): Likewise.
3363 (cpp_fatal): Likewise.
3365 * cpplib.c (cpp_error): Likewise.
3366 (cpp_warning): Likewise.
3367 (cpp_pedwarn): Likewise.
3368 (cpp_error_with_line): Likewise.
3369 (cpp_warning_with_line): Likewise.
3370 (cpp_pedwarn_with_line): Likewise.
3371 (cpp_pedwarn_with_file_and_line): Likewise.
3373 * cpplib.h: Don't define PARAMS() macro.
3375 * demangle.h: Likewise.
3377 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
3378 when deciding whether to use ANSI variable args.
3380 * emit-rtl.c (gen_rtx): Likewise.
3381 (gen_rtvec): Likewise.
3383 * final.c (asm_fprintf): Likewise.
3385 * fix-header.c (cpp_message): Likewise.
3387 (cpp_fatal): Likewise.
3389 * gcc.c (concat): Likewise.
3393 * genattr.c (fatal): Likewise.
3395 * genattrtab.c (attr_rtx): Likewise.
3396 (attr_printf): Likewise.
3399 * gencodes.c (fatal): Likewise.
3401 * genconfig.c (fatal): Likewise.
3403 * genemit.c (fatal): Likewise.
3405 * genextract.c (fatal): Likewise.
3407 * genflags.c (fatal): Likewise.
3409 * genopinit.c (fatal): Likewise.
3411 * genoutput.c (fatal): Likewise.
3414 * genpeep.c (fatal): Likewise.
3416 * genrecog.c (fatal): Likewise.
3418 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
3419 deciding whether to declare `tree_node' and `rtx_def'.
3421 * hash.h: Don't define stuff we get from gansidecl.h.
3423 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
3424 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
3425 whether to use ANSI variable args.
3428 * prefix.c (concat): Likewise.
3432 * system.h: Likewise.
3434 * toplev.c (error_with_file_and_line): Likewise.
3435 (error_with_decl): Likewise.
3436 (error_for_asm): Likewise.
3439 (warning_with_file_and_line): Likewise.
3440 (warning_with_decl): Likewise.
3441 (warning_for_asm): Likewise.
3442 (warning): Likewise.
3443 (pedwarn): Likewise.
3444 (pedwarn_with_decl): Likewise.
3445 (pedwarn_with_file_and_line): Likewise.
3447 (really_sorry): Likewise.
3449 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
3450 whether to declare `tree_node' and `rtx_def'.
3452 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
3453 deciding whether to use ANSI variable args.
3454 (build_nt): Likewise.
3455 (build_parse_node): Likewise.
3457 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
3459 * version.c: Bump for snapshot.
3461 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3463 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
3465 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3467 * collect2.c (main, case 'b'): Use else if.
3469 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3471 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
3472 Arrange to include gansidecl.h in {ht}config.h & tm.h just
3473 before the config/ directory headers.
3474 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
3475 gansidecl.h in the list of dependencies.
3477 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
3478 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
3479 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
3480 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
3481 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
3482 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
3485 * cccp.c: Don't include gansidecl.h.
3487 * collect2.c: Likewise.
3488 * config/c4x/c4x.c: Likewise.
3489 * config/v850/v850.h: Likewise.
3490 * cppalloc.c: Likewise.
3491 * cpperror.c: Likewise.
3492 * cppexp.c: Likewise.
3493 * cppfiles.c: Likewise.
3494 * cpphash.c: Likewise.
3495 * cpplib.c: Likewise.
3496 * cppmain.c: Likewise.
3497 * cppulp.c: Likewise.
3498 * demangle.h: Likewise.
3499 * doprint.c: Likewise.
3500 * dyn-string.c: Likewise.
3501 * eh-common.h: Likewise.
3502 * fix-header.c: Likewise.
3503 * frame.c: Likewise.
3506 * gen-protos.c: Likewise.
3507 * gencheck.c: Likewise.
3508 * halfpic.h: Likewise.
3510 * machmode.h: Likewise.
3511 * mbchar.c: Likewise.
3512 * prefix.c: Likewise.
3513 * protoize.c: Likewise.
3514 * recog.h: Likewise.
3516 * scan-decls.c: Likewise.
3518 * varray.h: Likewise.
3520 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
3522 * i386.md (call_value_pop): If we're not popping anything,
3523 defer to call_value.
3524 (call_pop): Likewise defer to call.
3526 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
3528 * function.c (purge_addressof): Clear purge_addressof_replacements
3529 only after processing the whole function.
3531 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
3533 * reload1.c (reload): If we can not perform a particular elimination
3534 when we thought we could earlier, then we must always iterate through
3535 the loop at least one more time.
3537 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
3539 * alpha.c (add_operand): Simplify the CONST_INT match.
3540 (sext_add_operand): Correct typo in comparison by using
3541 CONST_OK_FOR_LETTER_P.
3542 * alpha.md (s?addq): Use sext_add_operand to allow the negative
3543 constant alternatives to be generated.
3544 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
3545 small constants, since the hw instructions do.
3547 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3549 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
3550 previous insn to store directly into our reload register, make sure
3551 that if the source of the previous insn is a reload register, its
3552 spill_reg_store and spill_reg_stored_to values are cleared.
3554 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
3556 * rs6000.md (floatunssidf2_internal splitter): Use base register
3557 operand, not hard-coded SP.
3559 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3561 * jump.c (calculate_can_reach_end): Fix thinko.
3563 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
3565 * reorg.c (fill_simple_delay_slots): Fix typo.
3567 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
3569 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
3571 * i386.md (extendsidi2): Use # in the output template.
3572 (extendsidi splitters): New splitters.
3574 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
3576 * configure.in: Use unknown-elf.h as tm_file for arm-elf
3578 * configure: Regenerate.
3580 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3582 * jump.c (init_label_info, delete_barrier_successors,
3583 mark_all_labels, delete_unreferenced_labels,
3584 delete_noop_moves, calculate_can_reach_end): New functions broken
3585 out of jump_optimize.
3586 (jump_optimize): Use them.
3588 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3590 * except.c (expand_fixup_region_end): Make sure outer context labels
3591 are not issued in an inner context during cleanups.
3593 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
3595 * alpha.md (addsi3, subsi3): No new temporaries once cse is
3598 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
3600 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
3601 to expose this midpoint to CSE.
3603 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3605 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
3607 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3609 * configure.in: Bring over gcc2 change of Nov 19 1997.
3611 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
3613 * toplev.c (output_lang_identify): Make definition dependent on
3614 ASM_IDENTIFY_LANGUAGE.
3616 * print-rtl.c (spaces): Make static.
3618 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
3620 * extend.texi: Clarify proper uses for register clobbers in asms.
3622 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3624 * recog.h (enum op_type): Define.
3625 (constrain_operands): Adjust prototype.
3626 (recog_op_type): Declare new variable.
3627 * recog.c (recog_op_type): New variable.
3628 (insn_invalid_p): Allow modifying an asm statement after reload.
3629 (extract_insn): Set up recog_op_type.
3630 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
3631 Don't compute operand types, use recog_op_type.
3632 Use the information computed by extract_insn instead of the previous
3633 method of finding it by insn code number.
3634 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
3635 * reorg.c (fill_slots_from_thread): Likewise.
3636 * reload1.c (reload_as_needed): Likewise.
3637 (gen_reload): Likewise.
3638 (inc_for_reload): Likewise.
3639 (reload_cse_simplify_operands): Likewise.
3640 Use the information computed by extract_insn instead of the previous
3641 method of finding it by insn code number.
3642 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
3644 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
3645 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
3646 Use the information computed by extract_insn instead of the previous
3647 method of finding it by insn code number.
3648 * regmove.c (find_matches): Likewise. Change meaning of the return
3649 value to be nonzero if the optimization can be performed, zero if
3650 not. All callers changed.
3651 Shorten some variable names to fix formatting problems.
3652 (regmove_optimize): Shorten some variable names to fix formatting
3654 Use the information computed by extract_insn instead of the previous
3655 method of finding it by insn code number.
3656 * regclass.c (scan_one_insn): Likewise.
3657 (record_reg_classes): Don't compute operand types, use recog_op_type.
3658 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
3659 recog_constraints instead.
3661 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
3663 * rtl.h (flow2_completed): Declare.
3664 * flow.c (flow2_completed): Definition.
3665 * toplev.c (rest_of_compilation): Set and clear flow2_completed
3668 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
3670 * Makefile.in (libcpp.a): Ranlib libcpp.a
3672 * cppulp.c (user_label_prefix): Initialize.
3674 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
3676 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
3677 at a RETURN if current_function_sp_is_unchanging is set.
3679 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3681 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
3683 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
3685 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
3686 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
3687 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
3688 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
3689 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
3690 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
3692 (LIB_SPEC): Handle -mno-cyginw option.
3693 (LINK_SPEC): Handle -mdll.
3695 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3697 * reload.c (find_reloads): Fix test for usage by other reload
3698 to handle secondary reloads properly.
3700 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3702 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
3703 intermediate structure which has exactly the members provided by
3704 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
3705 static intermediate structure.
3707 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
3708 from the intermediate structure. Do the same analogous fix in
3709 the case where ELIMINABLE_REGS is not defined.
3711 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
3713 * pa.h (SELECT_SECTION): Fix thinko.
3715 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
3717 * dwarf2out.c (output_call_frame_info): Comments on last change.
3719 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
3721 * arm.c (add_constant): When taking the address of an item in the
3722 pool, get the mode of the item addressed.
3724 * arm.c (final_prescan_insn case INSN): If an insn doesn't
3725 contain a SET or a PARALLEL, don't consider it for conditional
3728 Restore ABI compatibility for NetBSD.
3729 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
3731 (RETURN_IN_MEMORY): Likewise.
3733 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
3735 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
3736 (m32r_output_block_move): Rewrite bytes < 4 handling.
3738 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3740 * configure.in: Call AC_FUNC_VFORK.
3742 * collect2.c: Define VFORK_STRING as a printable string for
3743 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
3744 defined, include vfork.h. If VMS is defined, define vfork()
3745 appropriately. Remove vfork check on USG, we're using autoconf.
3746 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
3747 checking locally what string to pass.
3748 (scan_prog_file): Likewise.
3749 (scan_libraries): Likewise.
3751 * gcc.c: Remove vfork check on USG, we're using autoconf.
3752 Besides, no calls to vfork/fork occur in this file.
3754 * protoize.c: Likewise.
3756 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3758 * configure.in (DEFAULT_LINKER): renamed from LD
3759 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
3760 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
3761 * configure: rebuilt
3763 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3765 * BUGS: fix the regexp for `more' to find the appropriate node.
3766 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
3768 * BUGS: added link to the WWW FAQ
3770 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
3772 * version.c: Bump for snapshot.
3774 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
3776 * From Christian Gafton:
3777 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
3778 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
3779 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
3781 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
3783 * c-common.c (c_get_alias_set): Allow all type-punning through
3784 unions. Don't get confused about the type of a bit-field, despite
3785 the antics of build_modify_expr.
3787 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
3789 * fixinc.sco: Paramaterize #include_next values.
3790 * fixinc/fixinc.sco: Likewise.
3792 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
3794 * toplev.c (rest_of_compilation): No longer set reload_completed.
3795 * reload1.c (reload): Set it here. Perform instruction splitting
3796 after reload has completed if we will be running the scheduler
3799 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
3801 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
3802 EH region if exceptions are enabled and we're performing cross
3804 (find_cross_jump): Exit loop if the insns are in different EH regions.
3806 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
3808 * dwarf2out.c (output_call_frame_info): Use
3809 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
3811 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3813 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
3814 * c-common.c (check_format_info): Don't check for the 'x'
3815 format character twice, instead check for 'x' and 'X'
3817 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
3819 * configure.in (assembler features): Also make gas is configured if
3820 we find it in the souce tree.
3822 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
3824 * i386.c (i386_comp_type_attributes): Compare whether the
3825 attributes are defined, not their tree nodes.
3827 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3829 * configure.in (gxx_include_dir): bitten by autoconf quoting
3831 * configure: rebuilt
3833 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3835 * configure.in: Ignore non-absolute value in $AS.
3837 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
3839 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
3841 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
3843 * configure.in (msdosdjgpp): Set exeext and target_alias.
3845 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3847 * flow.c (XNMALLOC): New macro.
3848 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3850 (add_edge, add_edge_to_label): New static functions.
3851 (free_bb_memory): New function.
3852 (flow_delete_insn): Delete function.
3853 (basic_block_drops_in): Delete variable.
3854 (find_basic_blocks): Allocate and initialize basic_block_head,
3855 basic_block_succ. Don't allocate basic_block_drops_in.
3856 Call free_bb_memory at the beginning.
3857 (find_basic_blocks_1): Don't do multiple passes.
3858 Delete code to compute basic_block_drops_in.
3859 After calling make_edges, mark blocks reached by current block live.
3860 Update test for unreachable live blocks.
3861 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3863 Simplify to call add_edge_to_label when a LABEL_REF is found.
3864 (make_edges): Simplify to call add_edge_to_label instead of
3865 mark_label_ref most of the time.
3866 Compute here whether control drops into the next block.
3867 (delete_unreachable_blocks): Return void. All callers changed.
3868 Delete unreachable blocks in reverse order.
3869 After deleting all unreachable blocks, renumber the remaining ones
3870 and update n_basic_blocks.
3871 (delete_block): Speed up deletion a bit.
3872 Don't set basic_block_drops_in for deleted blocks.
3873 (free_basic_block_vars): Don't free basic_block_drops_in.
3874 (life_analysis_1): Update to use new edge representation.
3875 (dump_flow_info): Delete code to print basic block info; call
3876 dump_bb_data instead.
3877 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3878 and uid_block_number.
3879 Simply copy the previously computed cfg.
3880 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3881 Print register lifetime information if LIVE_INFO is nonzero.
3882 * basic-block.h (dump_bb_data): Adjust prototype.
3883 * gcse.c (gcse_main): Update call to dump_bb_data.
3884 * rtl.h (free_bb_memory): Declare.
3885 * toplev.c (rest_of_compilation): Call free_bb_memory.
3887 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3888 (update_eliminable_offsets): Don't compute it.
3889 (set_initial_elim_offsets): Don't initialize it.
3890 Break out some code into set_initial_label_offsets so the rest of
3891 this function can be called from reload_as_needed.
3892 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3893 ELIMINABLE_REGS isn't.
3894 (set_initial_label_offsets): New function, broken out of
3895 set_initial_elim_offsets.
3896 (set_offsets_for_label): New function, broken out of set_label_offsets
3897 and reload_as_needed.
3898 (reload): Call the two new functions.
3899 (reload_as_needed): Call set_initial_elim_offsets instead of
3900 duplicating the code. Likewise for set_offsets_for_label.
3902 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3903 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3904 any hard reg, reg_reloaded_dead contains valid data.
3906 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3908 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3909 "stdcall" and "cdecl" attributes.
3911 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3913 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3914 handle deleted no-op moves of hard registers.
3915 * haifa-sched.c (update_flow_info): Likewise.
3917 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3919 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3920 of the sequences to reload the HILO register which do not actually
3923 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3925 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3927 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3929 * except.c (emit_eh_context): Make the EH context register stay alive
3930 at -O0 so stupid.c doesn't get confused.
3932 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3934 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3936 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3937 Jeffrey A Law (law@cygnus.com)
3939 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3940 (zero_extendsidi2): Use # in output template and handle completely by
3942 (zero_extend splitters): New define_splits.
3943 (ashiftrt_32): New pattern.
3945 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3947 * tree.c (append_random_chars): New fn.
3948 (get_file_function_name_long): Use it.
3950 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3952 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3953 (LIBCPP_OBJS): New. Add cppulp.o.
3954 (cppmain, fix-header): Depend on and use libcpp.a.
3955 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3956 of the individual object files.
3957 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3960 * cccp.c (user_label_prefix): New.
3961 (main): Set it off -f*leading-underscore.
3962 (special_symbol): Use it.
3963 * cpplib.c (special_symbol): Likewise.
3964 (cpp_handle_option): Handle -f*leading-underscore.
3965 * cppulp.c: New file.
3967 * output.h (user_label_prefix): Declare it.
3968 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3969 * toplev.c (f_options, main): Handle -f*leading-underscore.
3971 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3972 referencing USER_LABEL_PREFIX directly.
3973 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3974 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3975 * final.c (asm_fprintf): Use user_label_prefix instead.
3976 * arm/thumb.c (thumb_print_operand): Likewise.
3978 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3979 cpp wherever appropriate.
3981 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3983 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3984 specific compiler switches.
3986 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3988 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3991 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3993 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3994 structure which has exactly the members provided by EXTRA_SPECS.
3995 Xmalloc() the real `extra_specs', and initialize it from this
3996 intermediate structure.
3998 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
4000 * mips.h (EXTRA_SPECS): Likewise.
4002 * sparc.h (EXTRA_SPECS): Likewise.
4004 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4006 * function.c (purge_addressof_1): Instead of aborting when a
4007 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
4008 work just put the ADDRESSOF on stack. Otherwise remember all such
4009 successfull replacements, so that exactly the same replacements
4010 can be made on the REG_NOTEs. Remove the special case for CALL
4012 (purge_addressof_replacements): New variable.
4013 (purge_addressof): Clear it at end.
4015 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
4017 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
4018 (lang_init): Call check_newline always.
4019 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
4020 cpp_start_read, set yy_cur and yy_lim to read from
4021 parse_in.token_buffer, so that we'll see the first #line
4023 * cpplib.c (cpp_start_read): finclude the main input file
4024 before processing -include/-imacros. Process -imacros and
4025 -include separately, and handle -include by stacking a
4026 buffer for the file in question as if it'd been #included.
4027 * toplev.c (documented_lang_options) Recognize -H when
4030 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
4032 * cpplib.c: Merge do_once into do_pragma. Break file handling
4033 code out of do_include.
4034 Move append_include_chain, deps_output,
4035 file_cleanup, redundant_include_p, import_hash,
4036 lookup_import, add_import, read_filename_string, read_name_map,
4037 open_include_file, finclude, safe_read to cppfiles.c.
4038 Move prototypes for deps_output, append_include_chain,
4039 finclude to cpplib.h. Move definition of struct
4040 file_name_list there also.
4042 * cppfiles.c: New file. Contains all the above functions
4043 broken out of cpplib.c; also hack_vms_include_specification
4044 from cccp.c and find_include_file, a new function broken out of
4047 * Makefile.in (cppmain): Depend on cppfiles.o.
4048 (fix-header): Likewise.
4049 (cppfiles.o): New target.
4050 * configure.in (--enable-c-cpplib): Add cppfiles.o to
4051 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
4053 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
4055 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
4056 if pending_types is non-zero.
4057 (dwarfout_finish): Verify pending_types is zero before finishing.
4059 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
4061 * expr.c (convert_move): Use shifts to perform the move if a
4062 suitable extend pattern cannot be found. Code written by
4063 Richard Henderson <rth@cygnus.com>.
4065 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4067 * regclass.c (renumber, regno_allocated): New static variables, moved
4068 out of allocate_reg_info.
4069 (allocate_reg_info): Move these two variables outside the function.
4070 Move code to free memory into new function free_reg_info.
4071 (free_reg_info): New function, broken out of allocate_reg_info.
4072 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
4073 * rtl.h (allocate_reg_info): Don't declare.
4074 (free_reg_info): Declare.
4076 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
4078 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
4080 * toplev.c (compile_file): Temporarily revert last change.
4082 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
4084 * c-typeck.c (convert_for_assignment): Parenthesize.
4086 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4088 * reload1.c (delete_output_reload): Avoid ambigous else.
4090 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
4092 * toplev.c (compile_file): Call allocate_reg_info to free register
4094 * rtl.h (allocate_reg_info): Declare.
4096 * PROJECTS: Remove entry for local spilling.
4098 * final.c (cleanup_subreg_operands): New function.
4099 (final_scan_insn): Use it.
4100 (alter_subreg): Clear the "used" field when we turn a SUBREG into
4102 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
4103 operands when reload has finished.
4104 * reload.h (cleanup_subreg_operands): Declare..
4105 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
4106 reload. Handled in reload itself.
4108 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4110 * reload1.c (verify_initial_offsets): New function.
4111 (reload): Call it after reload_as_needed. Also verify that the frame
4112 size stays constant during reload_as_needed.
4113 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
4115 * reload.h (struct insn_chain): Add need_operand_change element.
4116 * reload1.c (new_insn_chain): Clear it.
4117 (calculate_needs_all_insns): Set it; don't overload need_reload.
4118 (reload_as_needed): Use it.
4120 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
4121 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
4122 and reload_address_index_reg_class.
4123 (find_reloads_address_1): Likewise.
4124 * reload.h (reload_address_base_reg_class,
4125 reload_address_index_reg_class): Don't declare.
4126 * reload1.c (reg_old_renumber, pseudo_previous_regs,
4127 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
4128 (used_spill_regs): Now static.
4129 (reload_address_base_reg_class, reload_address_index_reg_class,
4130 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
4131 basic_block_needs, max_needs, group_size, group_mode, max_groups,
4132 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
4135 (init_reload): Delete code to compute base/index reg classes.
4136 (reload): Delete variable J.
4137 Delete code to manage basic_block_needs.
4138 Don't compute regs_explicitly_used.
4139 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
4140 pseudo_previous_regs.
4141 Initialize bad_spill_regs_global.
4142 Don't call order_regs_for_reload here.
4143 Don't initialize spill_reg_order and n_spills.
4144 Don't forbid explicitly used regs to be used for spill regs.
4145 Change main loop to infinite loop, with explicit break statements.
4146 Make SOMETHING_CHANGED variable local to that loop.
4147 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
4148 max_groups_insn, max_nongroups_insn, group_size, group_mode.
4149 Make sure spilled_speudos is cleared before calling spill_hard_reg or
4151 Don't call dump_needs.
4152 Delete code to reset potential_reload_regs.
4153 Delete code to terminate loop conditional on the global needs variables
4154 showing no further needs.
4155 (calculate_needs_all_insns): Return void. All callers changed.
4156 Initialize somehing_needs_elimination here, not in reload.
4157 Delete avoid_return_reg kludge.
4158 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
4159 All callers changed.
4160 Initialize the group_mode and group_size elements of the arg CHAIN.
4161 Delete code to manage basic_block_needs.
4162 Operate on elements of CHAIN instead of global variables.
4163 Delete avoid_return_reg kludge.
4164 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
4165 All callers changed.
4166 Operate on elements of CHAIN instead of global variables.
4167 Delete special SMALL_REGISTER_CLASSES code.
4168 Delete spill_failure code; now in new_spill_reg.
4169 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
4170 All callers changed.
4171 Operate on elements of CHAIN instead of global variables.
4172 (maybe_mark_pseudo_spilled): New static function.
4173 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
4174 All callers changed.
4175 Operate on elements of CHAIN instead of global variables.
4176 Call order_regs_for_reload here, not in reload.
4177 Initialize spill_reg_order and n_spills.
4178 Simplify test whether an asm insn is involved.
4179 Delete spill_failure code; now in new_spill_reg.
4180 Call maybe_mark_pseudo_spilled for everything marked as live in
4181 CHAIN. Merge CHAIN's used_spill_regs into the global variable
4183 (dump_needs): Take CHAIN arg. No longer static, to prevent the
4184 compiler from optimizing this function (now unused) away.
4185 Operate on elements of CHAIN instead of global variables.
4186 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
4188 Operate on elements of CHAIN instead of global variables.
4189 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
4190 take CHAIN arg. All callers changed.
4191 Operate on elements of CHAIN instead of global variables.
4192 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
4193 CHAIN, NONGROUP args. Return void. All callers changed.
4194 Verify caller isn't trying to spill a pseudo.
4195 Simplify test for illegal reg, just use bad_spill_regs.
4196 Generate better error messages.
4197 Operate on elements of CHAIN instead of global variables.
4198 Mark spilled register in CHAIN's used_spill_regs element.
4199 Don't call spill_hard_reg.
4200 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
4201 Mark spilled hard regs in bad_spill_regs_global.
4202 Mark affected pseudos in spilled_pseudos, but don't spill them.
4203 (ior_hard_reg_set): New static function.
4204 (finish_spills): Return int. All callers changed.
4205 Compute spill_reg_order, n_spills and spill_regs here. Also update
4206 regs_ever_live for regs used as spills.
4207 For every pseudo in spilled_pseudos, spill it and mark the previous
4208 hard reg it had in pseudo_previous_regs. Compute which hard regs
4209 arseudo): New static function.
4210 (order_regs_for_reload): Take CHAIN arg. All callers changed.
4211 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
4212 hard registers explicitly used across the current insn into the set.
4213 Compute hard_reg_n_uses taking only pseudos live across this insn
4215 Tweak sorting of potential_reload_regs.
4216 (compare_spill_regs): Delete function.
4217 (reload_as_needed): Don't sort the spill_regs array, it's computed
4218 in proper order in finish_spills.
4219 Delete avoid_return_reg kludge.
4220 Delete code to manage basic_block_needs.
4221 (allocate_reload_reg): Minor speed/readability tweaks.
4222 Operate on elements of CHAIN instead of global variables.
4223 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
4224 Delete avoid_return_reg kludge.
4225 Initialize reload_reg_used from CHAIN's used_spill_regs element.
4226 Delete unused label FAIL.
4227 (reload_combine): Replce reload_address_index_reg_class with
4229 Don't use used_spill_regs to determine information about lifetime of
4232 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
4234 * toplev.c (display_help): Ignore empty target specific
4235 options, and if -W is also specified on the command line then
4236 display undocumented options.
4238 * config/arm/arm.c: Updated with changes in devo sources.
4239 * config/arm/arm.h: Updated with changes in devo sources.
4240 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
4241 * config/arm/lib1thumb.asm: Add ELF support.
4243 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
4245 * collect2.c (aix64_flag): New variable.
4246 (main, case 'b'): Parse it.
4247 (GCC_CHECK_HDR): object magic number must match mode.
4248 (scan_prog_file): Only check for shared object if valid header.
4249 Print debugging if header/mode mismatch.
4251 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
4253 Added support for arm-elf-linux configuration, submitted by Philip
4254 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
4255 code developed by Catherine Moore <clm@cygnus.com>. The following
4258 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
4261 * configure: Regenerated.
4263 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
4264 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
4265 definitions conditional on their not having been already defined.
4267 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
4268 and .type directives, and add "(PLT)" qualification to function
4271 * config/arm/linux.h: Deleted. This file is now superceeded by
4272 either linux-elf.h or linux-aout.h.
4274 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
4275 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
4277 Move definitions from old linux.h file here.
4279 * config/arm/elf.h: New file. Generic ARM/ELF support.
4281 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
4283 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
4285 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
4286 using the 26bit APCS.
4288 * config/arm/unknown-elf.h: New file. Support for OS'es other
4289 than Linux with ELF.
4291 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
4294 * config/arm/coff.h: Include aout.h for basic assembler macros.
4295 Add support for -mstructure_size_boundary=<n> command line option.
4297 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
4298 command line option. Make macro definitions conditional on their
4299 not having been already defined.
4301 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
4302 command line option.
4305 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
4307 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
4308 has been changed to not include a newline. Use this macro instead.
4309 (output_enumeral_list, const_value_attribute, name_attribute,
4310 comp_dir_attribute, prototyped_attribute, producer_attribute,
4311 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
4312 dwarfout_file_scope_decl, generate_new_sfname_entry,
4313 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
4314 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
4316 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
4318 * combine.c (subst): Process the inputs to a parallel asm_operands
4321 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
4323 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
4325 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
4327 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
4329 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
4331 * version.c: Bump for snapshot.
4333 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
4335 * stmt.c (expand_fixup): Set fixup->before_jump to a
4336 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
4338 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4340 * Makefile.in (recog.o): Depend on toplev.h.
4341 (insn-emit.o): Depend on recog.h.
4342 (insn-peep.o): Depend on recog.h and insn-config.h.
4344 * combine.c (simplify_set): Remove unused variable `scratches'.
4346 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
4347 and `idx' in macro conditional controlling their use.
4349 * genemit.c (main): Make the generated output file include
4350 recog.h. Don't have it declare `insn_operand_constraint', since
4351 we get it from recog.h.
4353 * genpeep.c (main): Make the generated output file include
4354 insn-config.h and recog.h.
4356 * recog.c: Include toplev.h.
4357 (extract_insn): Remove unused variable `p'.
4359 * regclass.c (fix_register): Add missing braces around initializer
4361 (allocate_reg_info): Move variable `i' into the scope where it is
4362 used. Change its type to `size_t'.
4364 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4366 * reload.c (push_reload): When merging reloads, make sure
4367 that reload_in_reg and reload_in are from the same reload in
4370 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
4372 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
4373 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
4375 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
4377 * loop.c (loop_has_tablejump): New variable.
4378 (prescan_loop): Scan for it.
4379 (insert_bct): Replace explicit scan with use of it.
4380 * regclass.c (regclass): Restore loop variable j.
4381 (record_reg_classes): Deterine op_types modifiers and initialize
4382 classes[i] before matching constraints. Handle matching
4385 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
4387 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
4390 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4392 * mips.h (EXTRA_SPECS): Add missing initializers.
4394 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4396 * sparc.h (EXTRA_SPECS): Add missing initializers.
4397 (sparc_defer_case_vector): Provide a prototype.
4399 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
4400 comparing it to the result of a pointer subtraction.
4402 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4404 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
4405 the argument to (unsigned char).
4407 * alpha.h (EXTRA_SPECS): Add missing initializers.
4408 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
4411 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
4413 * flow.c (life_analysis_1): Enable "rescan" code after reload.
4414 (propagate_block): Delete dead code after reload.
4416 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
4417 back Oct 15, 1998 change.
4418 * haifa-sched.c (update_flow_info): Likewise.
4419 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
4421 * mn10200.md (truncated shift): Accept constant inputs too.
4423 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
4425 * machmode.h (mode_mask_array): No longer const.
4426 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
4428 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4430 * frame.c: Somewhat explain `FDE'.
4431 Suggested by Brendan Kehoe
4433 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4435 * expr.c (pending_chain): Move up.
4436 (save_expr_status): Do save pending_chain.
4437 (restore_expr_status): And restore it.
4438 * function.h (struct function): Add pending_chain.
4440 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4442 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
4443 did not match the code.
4445 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4447 * regclass.c (regclass): Break out some code into new function
4448 scan_one_insn, and into regclass_init.
4449 (init_cost): New static variable, moved out of regclass.
4450 (regclass_init): Initialize it here, not in .
4451 (scan_one_insn): New static function, broken out of regclass.
4452 * recog.c (apply_change_group): Break out some code into new
4453 function insn_invalid_p.
4454 (insn_invalid_p): New static fn, broken out of apply_change_group.
4456 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
4458 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
4459 reg_reloaded_contents matches incremented pseudo.
4461 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
4463 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4465 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
4466 addressing modes with side effects. These are currently
4467 placeholders for the C4x target.
4469 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4471 * loop.c (express_from): Make sure that when generating a PLUS of
4472 a PLUS, any constant expression appears on the outermost PLUS.
4474 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
4476 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
4477 works if "$(srcdir)" != ".".
4479 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
4481 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
4482 existing SUBREG if we can, otherwise abort.
4484 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
4486 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
4487 `restrict' is applied to a non-pointer variable.
4489 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
4491 * invoke.texi: Document -flang-isoc9x.
4493 * Makefile.in (OBJS): Add splay-tree.o.
4494 (c-common.o): Depend on rtl.h.
4495 (splay-tree.o): List dependencies and provide build rule.
4497 * rtl.h (record_alias_subset): New function.
4498 * alias.c: Include splay-tree.h.
4499 (alias_set_entry): New type.
4500 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
4501 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
4502 (mems_in_disjoin_alias_sets_p): New function.
4503 (alias_set_compare): Likewise.
4504 (insert_subset_children): Likewise.
4505 (get_alias_set_entry): Likewise.
4507 * tree.h (TYPE_RESTRICT): New macro.
4508 (TYPE_UNQUALIFIED): New manifest constant.
4509 (TYPE_QUAL_CONST): Likewise
4510 (TYPE_QUAL_VOLATILE): Likewise.
4511 (TYPE_QUAL_RESTRICT): Likewise.
4512 (tree_type): Add restrict_flag. Reduce count of free bits.
4513 (DECL_POINTER_ALIAS_SET): New macro.
4514 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
4515 (tree_decl): Add pointer_alias_set.
4516 (build_qualified_type): New function.
4517 (build_type_variant): Define in terms of build_qualified_type.
4518 * tree.c (set_type_quals): New function.
4519 (make_node): Initializae DECL_POINTER_ALIAS_SET.
4520 (build_type_attribute_variant): Use build_qualified_type and
4522 (build_type_variant): Rename, and modify, to become...
4523 (build_qualified_type): New function.
4524 (build_complex_type): Use set_type_quals.
4526 * c-tree.h (C_TYPE_OBJECT_P): New macro.
4527 (C_TYPE_FUNCTION_P): Likewise.
4528 (C_TYPE_INCOMPLETE_P): Likewise.
4529 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
4530 (c_apply_type_quals_to_decl): New function.
4531 (c_build_qualified_type): New function.
4532 (c_build_type_variant): Define in terms of c_build_qualified_type.
4533 (flag_isoc9x): Declare.
4534 * c-typeck.c (qualify_type): Use c_build_qualified_type.
4535 (common_type): Change to use TYPE_QUALS.
4536 (comptypes): Likewise.
4537 (convert_for_assignment): Likewise.
4538 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
4539 * c-decl.c (flag_isoc9x): Define.
4540 (c_decode_option): Handle -flang-isoc9x.
4541 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
4542 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
4543 * c-lex.c (init_lex): Deal with restrict.
4544 (init_lex): Don't treat restrict as a reserved word in
4545 -traditional mode, or without -flang-isoc9x.
4546 * c-lex.h (rid): Add RID_RESTRICT.
4547 * c-parse.gperf (restrict, __restrict, __restrict__): Make
4548 equivalent to RID_RESTRICT.
4549 * c-parse.in (TYPE_QUAL): Update comment.
4550 * c-common.c: Include rtl.h.
4551 (c_find_base_decl): New function.
4552 (c_build_type_variant): Rename, and modify, to become ...
4553 (c_build_qualified_type): New function.
4554 (c_apply_type_quals_to_decl): Likewise.
4555 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
4556 a particular alias set for the reference.
4557 * toplev.c (documented_lang_options): Add -flang-isoc9x.
4559 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
4561 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
4562 command line switches.
4564 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
4566 * reload.c (loc_mentioned_in_p): Add missing braces to bind
4569 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
4571 * gcc.c (option_map): Added --classpath and --CLASSPATH.
4573 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
4575 * regclass.c (fix_register): Add error message.
4576 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
4579 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4581 * c-decl.c (warn_missing_noreturn): New global variable.
4582 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
4583 (finish_function): Implement missing noreturn warning.
4585 * c-tree.h (warn_missing_noreturn): Declare extern.
4587 * invoke.texi: Document new flags.
4589 * toplev.c (documented_lang_options): Add description.
4591 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4593 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
4594 loop optimization stable for the C4x.
4595 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
4596 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
4597 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
4599 (c4x_address_conflict): Be more paranoid when packing a volatile
4600 memref in a parallel load/store.
4602 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4604 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
4605 repeat_block_filler): Deleted.
4606 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
4607 Condition code not set if destination register from 'c' class.
4608 (*subbqi3_carry_clobber): Fix typo.
4610 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4612 * reorg.c (steal_delay_list_from_target) Check for insns that
4613 modify the condition codes and effect the direction of the jump
4616 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4618 * function.c (purge_addressof_1): Replace call to
4619 emit_insns_before() with emit_insn_before().
4621 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
4623 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
4625 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4627 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
4629 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4631 * gcse.c (compute_hash_table): Correctly identify hard regs which are
4632 clobbered across calls.
4634 * loop.c (scan_loop): Be more selective about what invariants are
4635 moved out of a loop.
4637 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
4639 * version.c: Bump for snapshot.
4641 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4643 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
4644 static eh_context structure.
4646 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4648 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
4650 (try_combine): Don't update max_scratch.
4651 * flow.c (max_scratch, num_scratch): Delete variables.
4652 (life_analysis_1): Don't initialize max_scratch.
4653 (propagate_block): Don't update max_scratch.
4654 (mark_set_1): Don't increment num_scratch.
4655 * regs.h (max_scratch): Delete declaration.
4657 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
4659 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
4660 is nonzero. This is temporary!
4662 * sched.c (update_flow_info): Handle death notes made invalid by
4663 instruction splitting. Partially reverts Oct 15, 1998 patch.
4664 * haifa-sched.c (update_flow_info): Likewise.
4666 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
4668 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
4669 if it has a nonzero DECL_INITIAL.
4671 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4673 * Makefile.in (flow.o): Depend on recog.h.
4675 * cpplib.h (directive_table): Add missing initializiers.
4676 (finclude): Change type of variable `bsize' to size_t.
4678 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
4680 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
4682 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
4683 `int' when comparing against one.
4684 (cpp_file_line_for_message): Mark parameter `pfile' with
4686 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
4688 * flow.c: Include recog.h.
4689 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
4691 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
4692 `f' with ATTRIBUTE_UNUSED.
4693 (reposition_prologue_and_epilogue_notes): Likewise.
4695 * genopinit.c (gen_insn): Cast argument of ctype functions to
4698 * haifa-sched.c: Include recog.h.
4699 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
4700 comparing against one.
4702 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
4704 * mips-tfile.c (parse_end): Cast the argument of ctype function to
4706 (parse_ent): Likewise.
4707 (parse_input): Likewise.
4709 * optabs.c (init_libfuncs): Likewise.
4711 * protoize.c (find_rightmost_formals_list): Likewise.
4713 * recog.h (const_double_operand): Fix typo in prototype.
4715 * tlink.c (scan_linker_output): Cast the argument of ctype
4716 function to `unsigned char'.
4718 * toplev.c (check_lang_option): Cast the result of `strlen' to
4719 `int' when comparing against one.
4721 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4723 * gcse.c (dump_cuid_table): Correct typo.
4725 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
4727 * toplev.c (display_help): Prepend '-m' to target specific
4729 (check_lang_option): Ignore text after end of first word of a
4730 language specific option.
4732 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4734 * reload1.c (reg_used_by_pseudo): New static variable.
4735 (choose_reload_regs): Initialize it.
4736 Use it instead of testing spill_reg_order to determine whether a
4737 pseudo is live in a hard register across the current insn.
4738 Fix a typo in a reference to reload_reg_rtx.
4740 * flow.c (propagate_block): Replace code that computes and uses
4741 regs_sometimes_live with simpler code that just walks the set of
4742 currently live registers.
4744 * Makefile.in (insn-extract.o): Fix dependencies.
4745 * genextract.c (main): Generate includes for insn-config.h and
4747 Delete generation of declarations which are now in recog.h.
4748 * genrecog.c (main): Delete generation of definitions which are
4750 * local-alloc.c (block_alloc): Use extract_insn and the variables
4751 it sets up instead of looking up values by insn_code.
4752 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
4753 recog_dup_num): Define here instead of generating the definition in
4755 (recog_n_operands, recog_n_dups, recog_n_alternatives,
4756 recog_operand_mode, recog_constraints, recog_operand_address_p):
4758 (extract_insn): New function.
4759 * recog.h (extract_insn): Declare function.
4760 (which_alternative, recog_n_operands, recog_n_dups,
4761 recog_n_alternatives, recog_operand_mode, recog_constraints,
4762 recog_operand_address_p): Declare variables.
4763 * regclass.c (n_occurrences): New static function.
4764 * reload.c (n_occurrences): Delete function.
4765 (find_reloads): Use extract_insn.
4766 * reload.h (n_occurrences): Delete declaration.
4768 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
4770 * reload1.c (reload_as_needed): Fix test for when to call
4771 update_eliminable_offsets.
4773 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4775 Fix consistency problems with reg_equiv_{mem,address};
4776 Improve reload inheritance;
4778 * reload.c (reload_out_reg): New variable.
4779 (loc_mentioned_in_p, remove_address_replacements): New functions.
4780 (remove_replacements): Deleted.
4781 (push_reload): Set reload_out_reg[i].
4782 When merging, also set reload_{in,out}_reg[i], and remove
4783 duplicate address reloads.
4784 (combine_reloads): Copy reload_out_reg[i].
4785 (find_reloads): Do make_memloc substitution also when
4786 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4788 Include *recog_operand_loc in commutativity operand changes.
4789 Generate optional output reloads.
4790 Delete reference to n_memlocs. Don't set *recog_operand_loc before
4791 processing operands. Call make_memloc in reg_equiv_address code.
4792 Set *recog_operand_loc only after processing operands, and only
4793 if replace is true. Return a value.
4794 When changing address reload types for operands that didn't get
4795 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
4796 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
4797 Don't emit USEs for pseudo SUBREGs when not replacing.
4798 (find_reloads_address): Do make_memloc substitution also when
4799 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4801 (find_reloads_toplev): Likewise.
4802 Call make_memloc in reg_equiv_address code.
4803 (debug_reload_to_stream): Add code to output reload_out_reg.
4804 (make_memloc): Delete local variable i, ifdefed out code, and
4805 references to memlocs and n_memlocs.
4806 (memlocs, n_memlocs): Delete.
4807 (push_secondary_reload): Clear reload_out_reg.
4808 (find_reloads_address_1): Provide memrefloc argument to all calls
4809 to find_reloads_address.
4810 In AUTO_INC code, handle non-directly addressable equivalences properly.
4811 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
4812 (find_reloads): Add return type.
4813 (remove_address_replacements, deallocate_reload_reg): Declare.
4814 * reload1.c (num_not_at_initial_offset): No longer static.
4815 (delete_address_reloads, delete_address_reloads_1): Likewise.
4816 (deallocate_reload_reg): New function.
4817 (spill_reg_stored_to): New array.
4818 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
4819 (eliminate_regs_in_insn): Move assignments of previous_offset and
4820 max_offset fields, and recalculation of num_not_at_initial_offset
4821 into new static function:
4822 (update_eliminable_offsets) .
4823 (reload_as_needed): Call update_eliminable_offsetss after calling
4825 Call forget_old_reloads_1 with contents of reloaded auto_inc
4826 expressions if the actual addressing can't be changed to match the
4828 (choose_reload_regs): For inheritance, replace
4829 reload_reg_free_before_p test with reload_reg_used_at_all test, and
4830 remove stand-alone reload_reg_used_at_all test.
4831 Use reload_out_reg to determine which reload regs have output reloads.
4832 Treat reload_override_in more similar to inherited reloads.
4833 Handle (subreg (reg... for inheritance.
4834 For flag_expensive_optimizations, add an extra pass to remove
4835 unnecessary reloads from known working inheritance.
4836 Delete obsolete code for pseudos replaced with MEMs.
4837 Handle inheritance from auto_inc expressions.
4838 (emit_reload_insns): If reload_in is a MEM, set OLD to
4840 Don't reload directly from oldequiv; if it's a pseudo with a
4841 stack slot, use reload_in[j].
4842 Check that reload_in_reg[j] is a MEM before replacing reload_in
4843 from reg_reloaded_contents.
4844 Include non-spill registers in reload inheritance processing.
4845 Also try to use reload_out_reg to set spill_reg_store /
4846 reg_last_reload_reg.
4847 In code to set new_spill_reg_store, use single_set to find out if
4848 there is a single set.
4849 Add code that allows to delete optional output reloads.
4850 Add code to allow deletion of output reloads that use no spill reg.
4851 At the end, set reload_override_in to oldequiv.
4852 Also call delete_output_reload if reload_out_reg is equal to old
4854 Add code to call delete_output_reload for stores with no matching load.
4855 Set / use spill_reg_stored_to.
4856 Handle case where secondary output reload uses a temporary, but
4857 actual store isn't found.
4858 When looking for a store of a value not loaded in order to call
4859 delete_output_reload, count_occurences should return 0 for no
4860 loads; but discount inherited input reloadill_reg_stored_to.
4861 Do checks for extra uses of REG. Changed all
4863 Use delete_address_reloads.
4864 (reload): Take return value of find_reloads into account.
4865 If a no-op set needs more than one reload, delete it.
4866 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4867 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4868 for the same operand.
4869 (clear_reload_reg_in_use): Check for other reloads that keep a
4871 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4872 RELOAD_FOR_OPADDR_ADDR.
4873 Take into account when an address address reload is only needed
4874 for the address reload we are considering.
4875 (count_occurrences): Use rtx_equal_p for MEMs.
4876 (inc_for_reload): Return instruction that stores into RELOADREG.
4877 New argument two, IN, and rtx. Changed all callers.
4878 (calculate_needs_all_insns, reload_as_needed):
4879 Don't clear after_call for a CLOBBER.
4880 Keep track of how many hard registers need to be copied from
4881 after_call, and don't clear after_call before we have seen
4882 that much copies, or we see a different instruction.
4884 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4886 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4887 after reload has completed.
4889 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4891 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4892 a macro name and the next token with a single blank if that whitespace
4893 is in a macro buffer and the next token is not '('.
4895 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4897 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4899 (skip_if_group): Ditto.
4900 (skip_to_end_of_comment): Ditto.
4902 (discard_comments): Ditto.
4903 (change_newlines): Ditto.
4905 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4907 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4909 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4911 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4912 (TARGET_OPTIONS): Add --help documentation.
4914 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4916 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4918 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4920 * fixinc/* Moved in from ../contrib directory in preparation
4921 for integrating it into the normal build process. In particular,
4922 fixinc/Makefile.in must be config-ed into the build directory
4923 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4924 ./configure.in will be "in the mail" momentarily.
4926 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4928 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4929 accidently walk into the free list. Comment how that can happen.
4930 (invalidate): Fix indentation.
4932 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4933 Jeffrey A Law (law@cygnus.com)
4935 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4936 reload. Never perform rescans of the insn chain after reload.
4937 (propagate_block): Do not delete insn or create new autoinc addressing
4940 * jump.c (jump_optimize): Unconditionally use the code that was
4941 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4942 * reload1.c (reload): When reloading is finished, delete all
4943 REG_DEAD and REG_UNUSED notes.
4944 (emit_reload_insns): Delete all code that was conditional on
4945 PRESERVE_DEATH_INFO_REGNO_P.
4946 (no_longer_dead_regs): Delete variable.
4947 (reload_cse_delete_death_notes): Delete function.
4948 (reload_cse_no_longer_dead): Delete function.
4949 (reload_cse_regs_1): Delete all code to handle deletion of death
4951 (reload_cse_noop_set_p): Likewise.
4952 (reload_cse_simplify_set): Likewise.
4953 (reload_cse_simplify_operands): Likewise.
4954 (reload_cse_move2add): Likewise.
4955 * reorg.c (used_spill_regs): Delete declaration.
4956 (max_label_num_after_reload): Delete declaration.
4957 (find_dead_or_set_registers): Don't assume that spill regs are
4958 dead at a CODE_LABEL.
4959 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4961 * sched.c (sched_analyze_insn): Likewise.
4962 (update_flow_info): Likewise.
4963 * haifa-sched.c (sched_analyze_insn): Likewise.
4964 (update_flow_info): Likewise.
4965 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4966 * toplev.c (max_label_num_after_reload): Delete variable.
4967 (rest_of_compilation): Don't set max_label_num_after_reload.
4968 Call life_analysis after reload_cse_regs if optimizing.
4969 * config/gmicro/gmicro.h: Delete comment referring to
4970 PRESERVE_DEATH_INFO_REGNO_P.
4971 * config/i386/i386.h: Likewise.
4972 * config/m88k/m88k.h: Likewise.
4973 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4974 * config/sh/sh.h: Likewise.
4976 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4978 * loop.c (strength_reduce): Restore marking bct_p as
4980 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4981 HAVE_decrement_and_branch_on_count.
4982 (small_data_operand): Remove TARGET_ELF condition for marking
4983 parameters ATTRIBUTE_UNUSED.
4985 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4987 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4988 (SELECT_SECTION): Resync with svr4.h.
4990 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4992 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4995 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4997 * c-pragma.c (handle_pragma_token): Test for null tree before
4998 dereferencing TREE_CODE.
5000 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5002 * config/c4x/c4x.c: Convert to use GEN_INT.
5003 (c4x_parallel_process): Rework to handle new repeat loop structure.
5005 * config/c4x/c4x.md: Convert to use GEN_INT.
5006 (rptb_end): Convert to use GE test. Replace uses with clobbers.
5007 (decrement_and_branch_on_count): Likewise.
5009 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
5010 loop.c has the desired functionality.
5011 (rc_reg_operand): New prototype.
5013 * config/c4x/t-c4x: Can now build all front ends.
5015 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
5017 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
5019 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
5021 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
5022 * config/t-rtems: Do not install assert.h -- use newlib's.
5024 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5026 * combine.c (combine_instructions): When finished, call init_recog.
5027 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
5029 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
5031 * toplev.c: If flag_syntax_only, don't open or write assembler file.
5033 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5035 * cppalloc.c (memory_full): Mark function prototype with
5038 * demangle.h (collect_exit): Likewise.
5040 * fix-header.c (v_fatal, fatal): Likewise.
5042 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
5045 * gcov.c (print_usage): Likewise.
5047 * genattr.c (fatal, fancy_abort): Likewise.
5049 * genattrtab.c (fatal, fancy_abort): Likewise.
5051 * gencodes.c (fatal, fancy_abort): Likewise.
5053 * genconfig.c (fatal, fancy_abort): Likewise.
5055 * genemit.c (fatal, fancy_abort): Likewise.
5057 * genextract.c (fatal, fancy_abort): Likewise.
5059 * genflags.c (fatal, fancy_abort): Likewise.
5061 * genopinit.c (fatal, fancy_abort): Likewise.
5063 * genoutput.c (fatal, fancy_abort): Likewise.
5065 * genpeep.c (fatal, fancy_abort): Likewise.
5067 * genrecog.c (fatal, fancy_abort): Likewise.
5069 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
5070 __sjpopnthrow, __throw): Likewise.
5072 * objc/objc-act.c (objc_fatal): Likewise.
5074 * protoize.c (usage, aux_info_corrupted,
5075 declare_source_confusing): Likewise.
5077 * rtl.c (dump_and_abort): Likewise.
5079 * rtl.h (sets_cc0_p): Likewise.
5081 * toplev.c (float_signal, pipe_closed): Likewise.
5083 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5085 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
5086 when generating the decision tree for the general case.
5088 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
5089 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
5091 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5093 * Makefile.in (sched.o): Depend on recog.h.
5095 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
5096 (unsigned) when comparing against one.
5097 (find_base_value): Likewise.
5098 (record_base_value): Cast variable `regno' to (unsigned) when
5099 comparing against one. Cast the result of REGNO() macro to
5100 (unsigned) when comparing against one.
5101 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
5103 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
5104 variable where an unsigned index is needed.
5106 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
5107 before comparing against one.
5109 * collect2.c: Add prototypes for functions `error', `fatal' and
5110 `fatal_perror'. Make these functions take variable arguments
5111 instead of faking it with a fixed number of args.
5112 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
5115 * combine.c (can_combine_p): Mark parameter `pred' with
5117 (find_split_point): Cast variable `src' to (unsigned
5118 HOST_WIDE_INT) when comparing against one.
5119 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
5120 (simplify_logical): Likewise.
5121 (force_to_mode): Cast result of INTVAL() macro to (unsigned
5122 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
5123 HOST_WIDE_INT) in shift.
5124 (simplify_and_const_int): Cast result of INTVAL() macro to
5125 `unsigned HOST_WIDE_INT' when comparing against one.
5126 (merge_outer_ops): Cast variable const0 to `unsigned
5127 HOST_WIDE_INT' when comparing against the result of
5128 GET_MODE_MASK() macro.
5129 (simplify_comparison): Likewise for variable `c0'. Cast variable
5130 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
5131 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
5132 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
5133 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
5134 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
5135 comparing against one.
5136 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
5138 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
5139 macro to `unsigned HOST_WIDE_INT' when comparing against one.
5140 (output_block_move): Cast `sizeof' expression to (int) when
5141 comparing against one.
5142 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
5144 (save_restore_insns): Cast `base_offset' to `long' to match format
5145 specifier in fprintf.
5147 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
5148 to `enum machine_mode'.
5150 * flow.c (life_analysis_1): Remove unused variable `insn'.
5152 * gcc.c (translate_options): Move variables `j' and `k' into the
5153 scope in which they are used. Change their types to `size_t'.
5154 (set_spec): Cast the argument of ctype macro to `unsigned char'.
5155 (read_specs): Likewise.
5156 (process_command): Cast `sizeof' to (int) when comparing against one.
5157 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
5158 (handle_braces): Cast both sides of `==' expression to `long' to
5159 ensure sign matching.
5160 (main): Cast variable `i' to `int' when comparing against one.
5162 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
5163 int to size_t. Cast variable `i' to size_t when comparing against
5166 * genattrtab.c (convert_set_attr_alternative): Remove unused
5167 parameter `insn_code'. All callers changed.
5168 (convert_set_attr): Likewise.
5170 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
5171 size_t when comparing against one. Likewise for variable `len'.
5173 * global.c (global_alloc): Cast variable `max_regno' to size_t
5174 when comparing against one. Likewise for variable `max_allocno'.
5176 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
5178 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
5179 `set' with ATTRIBUTE_UNUSED.
5180 (find_free_reg): Cast `sizeof' expression to (int) when comparing
5183 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
5184 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
5185 (get_condition): Cast variable `const_val' to `unsigned
5186 HOST_WIDE_INT' when comparing against one. Cast unsigned
5187 expression to HOST_WIDE_INT when comparing against one.
5188 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
5189 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
5190 `unsigned' when comparing against one.
5192 * protoize.c (is_id_char): Change type of parameter `ch' to
5194 (munge_compile_params): Cast argument of ctype macro to (const
5196 (process_aux_info_file): Cast variable `aux_info_size' to int when
5197 comparing against one.
5198 (forward_to_next_token_char): Cast argument of ctype macro to
5199 `const unsigned char'.
5200 (edit_formals_lists): Likewise.
5201 (find_rightmost_formals_list): Likewise.
5202 (add_local_decl): Likewise.
5203 (add_global_decls): Likewise.
5204 (edit_fn_definition): Likewise.
5205 (do_cleaning): Likewise.
5206 (scan_for_missed_items): Likewise.
5207 (edit_file): Cast variable `orig_size' to (int) when comparing
5209 (main): Cast argument of ctype macro to `const unsigned char'.
5211 * recog.c (const_int_operand): Mark parameter `mode' with
5214 * regclass.c (record_reg_classes): Change type of variable `c' to
5215 `unsigned char'. Cast `char' array index to `unsigned char'.
5217 * reload.c (push_secondary_reload): Cast argument to
5218 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
5220 * reload1.c (calculate_needs): Cast `char' array index to
5222 (set_label_offsets): Change type of variable `i' to unsigned int.
5223 Cast result of XVECLEN() macro to unsigned when comparing against
5225 (mark_not_eliminable): Change type of variable `i' to unsigned.
5226 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
5227 when comparing against one.
5228 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
5229 comparing against one.
5230 (choose_reload_regs): Hide unused label `fail'.
5231 (reload_cse_simplify_operands): Cast `char' array index to
5233 (reload_combine_note_store): Mark parameter `set' with
5234 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
5236 (reload_cse_move2add): Remove unused variable `src2'.
5238 * sched.c: Include recog.h.
5239 (sched_note_set): Remove unused parameter `b'. All callers
5241 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
5242 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
5243 when comparing against one.
5245 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
5246 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
5247 comparing against one.
5249 * unroll.c (precondition_loop_p): Remove unused parameter
5250 `loop_end'. All callers changed.
5252 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5254 * reload1.c (maybe_fix_stack_asms): New static function.
5257 * reload.h (compute_use_by_pseudos): Declare.
5259 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
5260 (something_needs_reloads): Delete variable.
5261 (finish_spills): New function.
5262 (compute_use_by_pseudos): New function.
5264 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
5265 Use the reload_insn_chain instead of walking the rtl directly.
5267 (reload): Allocate and free spilled_pseudos.
5268 Ensure that all calls of spill_hard_reg are followed by a call to
5270 Use the insns_need_reload list instead of something_needs_reloads
5271 to find out if reload_as_needed must be called.
5272 Clear unused_insn_chains at the end.
5274 (calculate_needs_all_insns): Lose FIRST parameter. All callers
5276 Delete code to keep track of current basic block.
5277 Walk reload_insn_chain instead of the rtl structure. Build the
5278 insns_need_reload chain.
5279 Remember which insns need reloading/elimination by setting the
5280 appropriate fields in struct insn_chain, not by putting modes on the
5283 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
5284 arg INSN. All callers changed.
5285 Delete declaration of struct needs.
5286 Don't set something_needs_reloads.
5287 Record insn needs in the CHAIN argument.
5289 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
5291 (reload_as_needed): Lose FIRST arg. All callers changed.
5292 Walk the reload_insn_chain instead of the rtx structure.
5293 Delete code to keep track of current basic block.
5294 Rename one of the NEXT variables to OLD_NEXT.
5296 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
5298 (choose_reload_regs): Likewise.
5300 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
5303 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
5304 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
5305 (hard_regs_live, hard_regs_need_restore): Delete variables.
5306 (n_regs_saved): Now static.
5307 (referenced_regs, this_insn_sets): New variables.
5309 (setup_save_areas): Restructure the code a bit.
5311 (restore_referenced_regs): Delete function.
5312 (mark_referenced_regs): New function, similar to the old
5313 restore_referenced_regs, but mark registers in referenced_regs.
5315 (clear_reg_live): Delete function.
5316 (mark_set_regs): Renamed from set_reg_live. All callers changed.
5317 Only mark registers in this_insn_sets.
5319 (save_call_clobbered_regs): Rework this function to walk the
5320 reload_insn_chain instead of using the list of instructions directly.
5321 Delete code to keep track of register lives, compute live regs on the
5322 fly from information in the chain.
5323 Instead of calling restore_referenced_regs, use mark_referenced_regs,
5324 then walk the set it computes and call insert_restore as appropriate.
5326 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
5328 Restructure the code a bit. Test hard_regs_saved instead of
5329 hard_regs_need_restore.
5330 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
5331 args. All callers changed.
5332 Restructure the code a bit. Use TO_SAVE to determine which regs to
5333 save instead of more complicated test.
5334 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
5336 Create a new insn_chain structure for the new insn and place it
5339 * rtl.texi: Update documentation to reflect that reload no longer
5340 puts modes on the insns.
5342 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5344 * function.c (purge_addressof_1): Force the first argument of a
5345 CALL insn to memory.
5347 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
5349 * rtl.h: Delete duplicate prototypes. Add some missing
5351 * rtlanal.c: (for_each_rtx): Formatting tweak.
5353 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5355 * real.c (emdnorm and etoasc): Disable round to even for c4x target
5356 to be compatible with TI compiler.
5358 * Makefile.in (USER_H): Add va-c4x.h to definition.
5360 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
5362 * function.c (purge_addressof_1): Fix typo in inequality: do
5363 bitfield optimization for equal mode sizes.
5364 * expmed.c (store_bit_field): Don't take subregs of subregs in
5365 the movstrict case. Tidy a potential problem in the multi-word case.
5366 (extract_bit_field): Likewise.
5368 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5370 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
5372 Compute max_uid_for_flow by calling get_max_uid after the scan.
5373 (find_basic_blocks_1): Don't emit NOPs here.
5375 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
5377 * alias.c (base_alias_check): Accept new args for the modes of the
5378 two references. Use them to determine if an AND can overlap. Update
5380 (memrefs_conflict_p): Assume sizes are aligned, and uses them
5381 to determine if an AND can overlap.
5383 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
5385 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
5386 check. Add comment to document problems with TARGET_SUN_FPA version
5388 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
5390 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5392 * Makefile.in (gencheck.o): Depend on gansidecl.h.
5394 * c-common.c (print_char_table): Add missing initializers.
5395 (scan_char_table): Likewise.
5396 (time_char_table): Likewise.
5398 * c-decl.c (c_decode_option): Mark parameter `argc' with
5400 (declare_parm_level): Mark parameter `definition_flag' with
5403 * c-lex.c (readescape): Use `(unsigned)1' in shift.
5404 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
5407 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
5409 (emit_call_1): Mark parameters `fndecl' and `funtype' with
5411 (expand_call): Cast result of MIN() to (unsigned int) when
5412 comparing against an unsigned value.
5414 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
5416 (make_definition): Remove unused parameter `op'. All callers
5418 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
5419 comparing against the result of pointer arithmetic.
5421 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
5422 when comparing against one.
5424 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
5425 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
5427 (output_die): Move variable `i' into the scope in which it is
5428 used. Change its type to `unsigned'.
5429 (output_die): Cast the result of `strlen' to (int) when passing it
5430 to ASM_OUTPUT_ASCII().
5431 (output_pubnames): Likewise.
5432 (output_line_info): Likewise.
5434 * emit-rtl.c (global_rtl): Add missing initializers.
5436 * explow.c (promote_mode): Mark parameter `for_call' with
5439 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
5440 `unsigned HOST_WIDE_INT' when comparing against one.
5441 (synth_mult): Change type of variable `cost' to int.
5442 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
5444 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
5445 when comparing against one.
5446 (get_inner_reference): Change variable `alignment' to unsigned.
5447 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
5448 int) when comparing against one.
5449 (expand_builtin_setjmp): Change type of variable `i' to size_t.
5451 * fold-const.c (div_and_round_double): Cast BASE to
5452 (HOST_WIDE_INT) when comparing against one.
5454 * gencheck.c: Include gansidecl.h.
5455 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
5457 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
5458 `tcode' with ATTRIBUTE_UNUSED.
5460 * real.c (edivm): Cast constant value to (unsigned long) in
5461 expression compared against an unsigned value.
5463 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
5464 comparing against one.
5465 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
5466 when comparing against one.
5468 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
5469 (unsigned int) when comparing against one. Likewise for
5471 (smallest_mode_for_size): Likewise.
5472 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
5473 (restore_storage_status): Likewise.
5475 * toplev.c (debug_args): Add missing initializer.
5476 (f_options): Spelling correction. Add missing initializers.
5477 (documented_lang_options): Likewise.
5478 (debug_end_source_file): Mark parameter `lineno' with
5481 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
5482 `decl' and `type' with ATTRIBUTE_UNUSED.
5484 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
5485 when comparing against one.
5486 (assemble_variable): Mark parameter `top_level' with
5488 (assemble_external_libcall): Mark parameter `fun' with
5490 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
5493 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
5495 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
5496 Replace use of r5 with use of r19.
5498 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
5500 * config/v850/v850.c (compute_register_save_size): Allow for the
5501 fact that helper functions save all registers, not just those used
5504 Replace constant 31 with macro LINK_POINTER_REGNUM.
5506 * config/v850/v850.md: Use 'indirect_operand' rather than
5507 'memory_operand' for bit test/set/clear patterns.
5509 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
5511 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
5512 * varasm.c (assemble_start_function et al): Don't call
5513 ASM_GLOBALIZE_LABEL for weak symbols.
5515 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
5517 * cse.c (equiv_constant): Check for NULL return from
5518 gen_lowpart_if_possible().
5520 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
5522 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
5524 * collect2.c (main): Pass -EL/-EB through to the compiler.
5526 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5528 * expr.c (push_block): Handle targets where the stack grows
5529 to higher addresses, but args grow to lower addresses and
5530 ACCUMULATE_OUTGOING_ARGS is not defined.
5532 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
5534 * config/v850/v850.c (print_operand): Extend meaning
5535 of 'c' operands to support .vtinherit.
5537 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5539 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
5540 Added ATTRIBUTE_UNUSED to unused function arguments.
5541 (rc_reg_operand): New predicate.
5542 (c4x_rptb_insert): New function.
5543 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
5544 (c4x_optimization_options): New function.
5546 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
5547 (decrement_and_branch_on_count): New pattern.
5548 (rptb_top): Modified pattern to work with BCT optimization.
5550 * config/c4x/c4x.h (RC_REG): New register class.
5551 (rc_reg_operand): Define prototype.
5552 (IS_RC_REG): New macro.
5553 (IS_RC_OR_PSEUDO_REG): New macro.
5554 (IS_RC_OR_PSEUDO_REGNO): New macro.
5555 (OPTIMIZATION_OPTIONS): Define.
5557 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
5559 * collect2.c (extract_init_priority): No priority is 65535.
5561 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5563 * Makefile.in (build_tooldir): new variable, same as old
5564 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
5565 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
5566 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
5568 * configure.in (gxx_include_dir): set default based on unlibsubdir
5569 * Makefile.in (tooldir): ditto
5570 (cccp.o, cpplib.o): use unlibsubdir implicitly through
5571 gxx_include_dir, includedir and tooldir
5572 (protoize.o, unprotoize.o): ditto
5574 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
5576 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
5578 * config/arm/thumb.c (thumb_override_options): Add warning about
5579 PIC code not being supported just yet.
5581 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
5583 * flow.c: Update comment.
5584 (notice_stack_pointer_modification): New static function.
5585 (record_volatile_insns): Use it.
5586 (mark_regs_live_at_end): Mark the stack pointer as alive
5587 at the end of the function if current_function_sp_is_unchanging
5589 (life_analysis_1): Set current_function_sp_is_unchanging.
5590 * function.c: Define it.
5591 (init_function_start): Initialize it.
5592 * output.h: Declare it.
5593 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
5594 the stack pointer as alive at the end of the function if
5595 current_function_sp_is_unchanging is set.
5596 * i386.c (ix86_epilogue): Optimize the restoring
5597 of the stack pointer.
5599 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
5601 * version.c: Bump for snapshot.
5603 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
5605 * c-pragma.c (handle_pragma_token): If passed a token instead
5606 of a tree, use that as the pack value.
5608 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
5610 * flow.c (find_basic_blocks_1): Fix prototype.
5612 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
5614 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
5615 (struct tree_decl): New fields no_check_memory_usage.
5616 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
5617 (init_attributes): Register it as a new attribute.
5618 (decl_attributes): Set flags on functions given that attribute.
5619 * c-decl.c (duplicate_decls): Merge new attribute.
5620 * expr.h (current_function_check_memory_usage): Declare new var.
5621 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
5622 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
5623 current_function_check_memory_usage.
5624 * function.h: Add field to struct function.
5625 * function.c (current_function_check_memory_usage): Define it.
5626 (push_function_context_to, pop_function_context_from): Save and
5628 (expand_function_start): Set it, based on global flag and function
5631 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
5632 check non-automatic variables, to permit detection of writes to
5633 read-only locations in embedded systems without memory management.
5634 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
5635 when emitting chkr_set_right_libfunc call, even if the argument is
5636 BLKmode or variable-sized; don't abort.
5638 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
5639 symbols in Pmode, not VOIDmode.
5641 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5643 * cppexp.c: When forcing unsigned comparisons, cast both sides
5646 * cpphash.h: Move static declaration of hashtab[]...
5647 * cpphash.c: ...here.
5649 * cpplib.c: Cast difference of two pointers to size_t before
5650 comparing it to size_t. Cast signed to unsigned
5651 before comparing to size_t. (FIXME: struct argdata should use
5652 unsigned buffer sizes.)
5653 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
5654 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
5655 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
5656 size_t before comparison.
5658 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
5660 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
5661 (find_basic_blocks_1): Similarly.
5662 * output.h (find_basic_blocks): Fix prototype.
5663 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
5664 find_basic_blocks anymore.
5666 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
5668 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
5669 (sbitmap_free, sbitmap_vector_free): New macros.
5670 * output.h (rtl_dump_file): Declare.
5672 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
5674 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
5676 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5678 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
5680 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
5681 (divide): Remove unused variable `tmp'.
5682 (si_to_float): Cast numeric constant to (SItype) before comparing
5685 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
5687 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
5688 * gcc.c (add_preprocessor_option): Correct typo when allocating
5689 memory, sizeof() argument had one too many `*'.
5690 (add_assembler_option): Likewise.
5691 (add_linker_option): Likewise.
5692 * gcov.c (output_data): Likewise.
5693 * local-alloc.c (memref_used_between_p): Likewise.
5694 (update_equiv_regs): Likewise.
5695 * loop.c (strength_reduce): Likewise.
5696 * reg-stack.c (record_asm_reg_life): Likewise.
5697 (subst_asm_stack_reg): Likewise.
5698 * reorg.c (dbr_schedule): Likewise.
5700 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5702 * flow.c (life_analysis_1): Break out some functions.
5703 (find_basic_blocks_1): Likewise. Also move some variables out and
5705 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
5706 new static var nonlocal_label_list with it.
5707 (active_eh_region, nested_eh_region, label_value_list,
5708 nonlocal_label_list): New static variables.
5709 (make_edges, delete_unreachable_blocks, delete_block): New static
5710 functions, broken out of find_basic_blocks_1.
5711 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
5712 noop_move_p): New static functions, broken out of life_analysis_1.
5714 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
5716 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
5717 Take extra care for op0 now possibly being a subreg.
5718 (extract_bit_field): Likewise.
5719 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
5720 the reg to memory if there is no equal sized integral mode.
5721 * stor-layout.c (int_mode_for_mode): New function.
5722 * machmode.h: Prototype it.
5724 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
5726 * global.c (build_insn_chain): Verify no real insns exist past the
5727 end of the last basic block, then exit the loop.
5729 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5731 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
5733 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
5735 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
5737 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
5739 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
5741 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
5743 * flow.c (find_basic_blocks): Correctly determine when a call
5744 is within an exception region.
5746 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
5748 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
5750 * cpplib.h: Protect from multiple inclusions.
5751 * cpplib.c: Fix minor formatting problems.
5753 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
5755 * jump.c (jump_optimize): Revert accidental patch.
5757 * Makefile.in (cpplib.o): Use unlibsubdir.
5759 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
5761 * loop.c (get_condition): Allow combine when either compare is
5764 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
5766 * version.c: Bump for snapshot.
5768 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
5770 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
5771 (init_lex): Initialize ridpointers[RID_BYREF].
5772 * c-lex.h (enum rid): Add RID_BYREF.
5773 * c-parse.gperf: Add RID_BYREF as a type qualifier.
5774 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
5775 (encode_type_qualifiers): Similarly
5776 * c-gperf.h: Rebuilt.
5778 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
5780 * c-common.c (type_for_mode): Only return TItype nodes when
5781 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5782 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
5783 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5784 (init_decl_processing): Only create TItype nodes when
5785 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5786 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
5787 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5789 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5791 * stmt.c (n_occurrences): New static function.
5792 (expand_asm_operands): Verify that all constrains match in the
5793 number of alternatives.
5794 Verify that '+' or '=' are at the beginning of an output constraint.
5795 Don't allow '&' for input operands.
5796 Verify that '%' isn't written for the last operand.
5797 * reload.c (find_reloads): Abort if an asm is found with invalid
5798 constraints; all possible problems ought to be checked for earlier.
5800 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5802 * flags.h (flag_branch_on_count_reg): Always declare
5803 * toplev.c (flag_branch_on_count_reg): Likewise.
5804 * toplev.c: Fix typos.
5806 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
5809 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
5811 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
5813 (find_basic_blocks_1): Add a nop to the end of a basic block when
5814 a trailing call insn does not have abnormal control flow.
5815 * gcse.c (pre_transpout): New variable.
5816 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
5817 (compute_pre_transpout): Calculate it.
5818 (compute_pre_ppinout): Use it to eliminate impossible placements
5819 due to abnormal control flow through calls.
5820 (compute_pre_data): Call compute_pre_transpout.
5822 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5824 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
5826 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
5828 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
5829 and matching define_insns): Tack on a `use' of the table label, so
5830 flow analysis will recognize a tablejump.
5832 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
5834 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
5835 always end basic blocks for abnormal edge reasons.
5837 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
5839 * config/i386/i386.h: Remove definition of
5840 HANDLE_PRAGMA_PACK_PUSH_POP.
5842 * config/i386/go32.h: Add definition of
5843 HANDLE_PRAGMA_PACK_PUSH_POP.
5845 * config/i386/win32.h: Add definition of
5846 HANDLE_PRAGMA_PACK_PUSH_POP.
5848 * config/i386/cygwin32.h: Add definition of
5849 HANDLE_PRAGMA_PACK_PUSH_POP.
5851 * c-pragma.c (insert_pack_attributes): Do not insert
5852 attributes unless #pragma pack(push,<n>) is in effect.
5854 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5856 * expr.c (emit_group_store): Handle a PARALLEL destination.
5858 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5860 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5861 the new insns before the argument regs are loaded.
5863 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5865 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5866 (c-parse.gperf): Update comments describing invocation flags.
5867 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5869 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5871 * reload1.c (reload): Call free before clobbering the memory
5872 locations or constants pointers.
5874 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5876 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5877 for efficiency by checking whether we need to modify the current
5878 stack permission at all.
5879 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5880 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5881 __enable_execute_stack libcall here too if
5882 TRANSFER_FROM_TRAMPOLINE is defined.
5883 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5886 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5888 * Makefile.in (DRIVER_DEFINES): Remove last change.
5890 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5892 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5893 insns we're going to copy.
5894 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5896 * loop.c (count_one_set): Add prototype.
5898 * caller-save.c (restore_referenced_regs): Lose mode argument.
5899 (insert_save): Lose mode argument.
5900 (insert_restore): Lose mode argument.
5901 (insert_one_insn): Lose mode argument.
5902 (save_call_clobbered_regs): Lose mode argument.
5903 (setup_save_areas): Take no argument and return void. All callers
5905 Don't verify validity of memory addresses.
5906 * reload.h (setup_save_ares): Adjust prototype.
5907 (save_call_clobbered_regs): Likewise.
5908 * reload1.c (delete_caller_save_insns): New function.
5909 (caller_save_spill_class): Delete variable.
5910 (caller_save_group_size): Delete variable.
5911 (reload): Call setup_save_areas and save_call_clobbered_regs
5912 in the main loop, before calling calculate_needs_all_insns.
5913 Don't call save_call_clobbered_regs after the loop.
5914 Call delete_caller_save_insns at the end of an iteration if
5916 Delete code to manage caller_save_spill_class.
5917 Emit the final note before setting reload_first_uid.
5918 Simplify test that determines whether reload_as_needed gets run.
5919 (calculate_needs): Delete code to manage caller_save_spill_class.
5921 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5923 * collect2.c (main): Initialize ld_file_name.
5925 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5927 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5928 check for flag_function_sections.
5930 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5932 * cse.c (insert_regs): Fix bug in Sep 24 change.
5934 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5936 * flags.h (flag_dump_unnumbered): Declare.
5937 * toplev.c (flag_dump_unnumbered): Don't declare.
5938 * print-rtl.c (flags.h): Include.
5939 (print_rtl_single): Add return value.
5940 * rtl.h (print_rtl_single): Update declaration.
5941 * flow.c (flag_dump_unnumbered): Don't declare.
5942 (print_rtl_with_bb): Use return value of print_rtl_single.
5944 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5946 * loop.c (count_one_set): New static function, broken out of
5948 (count_loop_regs_set): Call it.
5949 * global.c (mark_reg_store): Handle clobbers here by not calling
5951 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5952 is in fact a clobber.
5953 * integrate.c (process_reg_param): New function, broken out of
5954 expand_inline_function.
5955 (expand_inline_function): Call it.
5958 * i386.md (addsidi3_1): Delete unused variable temp.
5959 (addsidi3_2): Likewise.
5960 (clstrstrsi): Delete unused variable addr1.
5962 * rtl.h: Don't declare any functions also declared in recog.h.
5964 * Makefile.in (stupid.o): Update dependencies.
5965 (global.o): Likewise.
5967 * global.c: Include reload.h
5968 (reg_becomes_live): New function.
5969 (reg_dies): New function.
5970 (build_insn_chain): New function.
5971 (global_alloc): Call build_insn_chain before calling reload.
5973 * reload.h (struct needs): New structure definition.
5974 (struct insn_chain): Likewise.
5975 (reload_insn_chain): Declare variable.
5976 (new_insn_chain): Declare function.
5979 * reload1.c (reload_startobj): New variable.
5980 (reload_insn_chain): New variable.
5981 (unused_insn_chains): New variable.
5982 (new_insn_chain): New function.
5983 (init_reload): Initialize reload_startobj, not reload_firstobj.
5984 (reload): Initialize reload_firstobj.
5985 Before returning, free everything on the reload_obstack.
5987 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5988 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5989 current_chain): New variables.
5990 (reg_where_born): Delete variable.
5991 (REG_WHERE_BORN): New macro.
5992 (find_clobbered_regs): New function.
5993 (stupid_life_analysis): Don't allocate/free reg_where_born.
5994 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5995 reg_where_dead_chain.
5996 Use REG_WHERE_BORN instead of reg_where_born.
5997 While processing the insns, build the reload_insn_chain with
5998 information about register lifetimes.
5999 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
6000 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
6002 Compute and information about birth and death of pseudo registers in
6003 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
6004 Delete code to set elements of reg_where_born.
6006 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6008 * tree.def (GOTO_EXPR): Modified documentation.
6009 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
6012 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
6014 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
6015 loop_final_value, loop_comparison_code): No longer static.
6016 (unroll_loop): Delete loop_start_value update.
6017 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
6018 loop_final_value, loop_comparison_code): Extern.
6019 (loop_start_value): Delete extern.
6020 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
6021 loop_comparison_value, loop_comparison_code): Delete.
6022 (loop_optimize): Remove initialization for deleted variables.
6023 (strength_reduce): Delete analyze_loop_iterations call. Only call
6024 insert_bct if flag_branch_count_on_reg set.
6025 (analyze_loop_iterations): Delete.
6026 (insert_bct): Remove iteration count calculation. Move checks for
6027 viable BCT optimization to here. Obtain iteration count from
6028 loop_iterations and correct for unrolling. Check for enough
6029 iteration to be beneficial. Comment out runtime iteration count
6031 (insert_bct): Print iteration count in dump file. Remove
6032 loop_var_mode and use word_mode directly.
6034 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
6035 * rs6000.c (rs6000_override_options): Use it.
6036 (optimization_options): Enable use of flag_branch_on_count_reg.
6037 * rs6000.md (define_function_unit): Describe 604e.
6039 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6041 * loop.c (move_movables): Corrected threshold calculation for
6042 moved_once registers.
6044 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6046 * loop.c (combine_givs_p): Fix test for identical givs.
6048 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
6050 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
6051 call abort if the function is already defined.
6053 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
6055 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
6056 truncation is not a no-op.
6058 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
6060 * version.c: Bump for snapshot.
6062 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
6064 * version.c: Bump for snapshot.
6066 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
6068 * expmed.c (expand_divmod): Don't widen for computing remainder
6069 if we seem to have a divmod pattern for needed mode.
6071 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6073 * cpplib.c (macroexpand): Correct off-by-one error in handling
6076 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
6078 * combine.c (expand_field_assignment): Don't do bitwise operations
6079 on MODE_FLOAT; pun to MODE_INT if possible.
6081 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
6082 scott snyder <snyder@d0sgif.fnal.gov>
6084 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
6085 linker. Recognize mangled names in quotes.
6087 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6089 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
6090 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
6091 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
6092 (lshrsi3_extend, lshrsi3_extend2): Ditto.
6094 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6096 * function.c (purge_addressof_1): If trying to take a sub-word
6097 integral piece of a floating point mode, put it on the stack.
6099 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
6101 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
6103 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
6105 * PROJECTS: Remove template friends.
6107 * collect2.c (sort_ids): Remove unused variable.
6109 * tm.texi (MATH_LIBRARY): Document.
6110 (NEED_MATH_LIBRARY): Remove.
6112 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
6113 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
6115 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
6117 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
6118 last_end to 0x7fffffff.
6120 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6122 * function.c (purge_addressof_1): Do not perform endianness
6123 corrections on bitpos, who we call will do it for us.
6125 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
6127 * h8300.c (WORD_REG_USED): Fix typo.
6128 (initial_offset): Use WORD_REG_USED.
6130 * h8300.c (handle_pragma): Fix typo.
6132 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6134 * caller-save.c (insert_save_restore): Break this function up
6135 into new functions insert_restore, insert_save and insert_one_insn.
6136 All callers changed.
6137 (insert_restore): New function, mostly broken out of
6138 insert_save_restore.
6139 (insert_save): Likewise.
6140 (insert_one_insn): Likewise.
6141 (restore_referenced_regs): New argument BLOCK. All callers changed.
6142 (save_call_clobbered_regs): Don't keep track of basic block boundaries
6143 in this function, do it in insert_one_insn instead.
6145 * reload1.c (reload): Break out some more pieces into separate
6147 (dump_needs): New function, broken out of reload.
6148 (set_initial_elim_offsets): Likewise.
6149 (init_elim_table): Likewise.
6150 (update_eliminables): Likewise.
6152 * global.c (global_alloc): Delete code to manage the scratch_list.
6153 * local-alloc.c (qty_scratch_rtx): Delete.
6154 (scratch_block): Delete.
6155 (scratch_list): Delete.
6156 (scratch_list_length): Delete.
6157 (scratch_index): Delete.
6158 (alloc_qty_for_scratch): Delete.
6159 (local-alloc): Update initialization of max_qty.
6160 Delete code to manage the scratch list.
6161 Delete code to allocate/initialize qty_scratch_rtx.
6162 (block_alloc): Don't allocate quantities for scratches.
6163 Delete code to manage the scratch list.
6164 * regs.h (scratch_list): Delete declaration.
6165 (scratch_block): Delete declaration.
6166 (scratch_list_length): Delete declaration.
6167 * reload1.c (reload): Delete code to manage the scratch list.
6168 (spill_hard_reg): Likewise.
6169 (mark_scratch_live): Delete.
6171 * recog.c (alter_subreg): Delete declaration.
6173 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
6175 * Makefile.in (cccp.o): Fix typo in last patch.
6177 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6179 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
6180 * config/sh/lib1funcs.asm (___set_fpscr): Add.
6182 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
6184 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
6185 NULL_RTX as an argument.
6187 * Makefile.in (unlibsubdir): Define.
6188 (DRIVER_DEFINES): Use unlibsubdir.
6189 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
6190 (stmp-fixinc): Similarly.
6192 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6194 * regmove.c (regmove_optimize): Add variable old_max_uid.
6195 At the end of the function, update basic_block_end.
6197 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6199 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
6200 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
6203 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
6205 * config/arm/arm.c: Improve interworking support.
6207 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6209 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
6210 copied from reload_out[r] .
6212 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
6214 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
6215 with more than three size ranges.
6217 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
6219 * rtl.c (mode_name): Add a null string at the end of the array.
6220 (mode_wider_mode): Change type to unsigned char.
6221 (mode_mask_array): New variable.
6222 (init_rtl): Update for mode_wider_mode type change.
6224 * rtl.h (mode_wider_mode): Change type to unsigned char.
6225 (mode_mask_array): Declare.
6226 (GET_MODE_MASK): Use mode_mask_array.
6228 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
6230 * calls.c (expand_call) : Encapsulate code into
6231 copy_blkmode_from_reg.
6232 * expr.c (copy_blkmode_from_reg): New function.
6233 * expr.h (copy_blkmode_from_reg): New function.
6234 * integrate.c (function_cannot_inline_p): We can inline
6236 (expand_inline_function): Use copy_blkmode_from_reg
6237 if needed. Avoid creating BLKmode REGs.
6238 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
6241 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
6243 * config/v850/v850.c: Add function prototypes.
6244 Add support for v850 special data areas.
6246 * config/v850/v850.h: Add support for v850 special data areas.
6248 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
6249 HANDLE_PRAGMA_PACK_PUSH_POP.
6250 (push_alignment): New function: Cache an alignment requested
6251 by a #pragma pack(push,<n>).
6252 (pop_alignment): New function: Pop an alignment from the
6254 (insert_pack_attributes): New function: Generate __packed__
6255 and __aligned__ attributes for new decls whilst a #pragma pack
6257 (add_weak): New function: Cache a #pragma weak directive.
6258 (handle_pragma_token): Document calling conventions. Add
6259 support for #pragma pack(push,<n>) and #pragma pack (pop).
6261 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
6262 are defined enable HANDLE_PRAGMA_PACK.
6263 Move 'struct weak_syms' here (from varasm.c).
6264 Add pragma states for push and pop pragmas.
6266 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
6269 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
6270 HANDLE_GENERIC_PRAGMAS.
6272 * varasm.c: Move definition of 'struct weak_syms' into
6274 (handle_pragma_weak): Deleted.
6276 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
6278 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
6280 * c-decl.c (start_function): Add invocation of
6281 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
6283 * tm.texi: Remove description of non-existant macro
6284 SET_DEFAULT_SECTION_NAME.
6286 (HANDLE_SYSV_PRAGMA): Document.
6287 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
6289 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
6291 * config.sub: Recognize i[34567]86-pc-udk as new target.
6292 * configure.in: Likewise.
6293 * config/i386/t-udk: New file.
6294 * config/i386/udk.h: New file.
6296 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
6298 * reorg.c (check_annul_list_true_false): Remove unused variables.
6299 (steal_delay_list_from_target): Add missing "used_annul" variable.
6300 (try_merge_delay_insns): Close out half formed comment.
6302 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6304 * cpplib.c (macroexpand): If arg->raw_before or
6305 arg->raw_after, remove any no-reexpansion escape at the
6306 beginning of the pasted token. Correct handling of whitespace
6307 markers and no-reexpand markers at the end if arg->raw_after.
6309 * toplev.c (documented_lang_options): Recognize -include,
6310 -imacros, -iwithprefix, -iwithprefixbefore.
6311 * cpplib.c (cpp_start_read): Process -imacros and -include
6312 switches at the same time and in command-line order, after
6313 initializing the dependency-output code. Emit properly nested
6314 #line directives for them. Emit a #line for the main file
6315 before processing these switches, and don't do it again
6318 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
6320 * function.c (purge_addressof_1): Use bitfield manipulation
6321 routines to handle mem mode < reg mode.
6323 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6325 * reorg.c (try_merge_delay_insns): Account for resources referenced
6326 in each instruction in INSN's delay list before trying to eliminate
6327 useless instructions. Similarly when looking at a trial insn's delay
6330 * reorg.c (check_annul_list_true_false): New function.
6331 (steal_delay_list_from_{target,fallthrough}): Call it and also
6332 refine tests for when we may annul if already filled a slot.
6333 (fill_slots_from_thread): Likewise.
6334 (delete_from_delay_slot): Return newly-created thread.
6335 (try_merge_delay_isns): Use its new return value.
6337 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
6339 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
6340 used to compute a giv or as some other non-counting use.
6342 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6344 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
6345 * local-alloc.c (find_free_reg): Use it.
6346 * global.c (find_reg): Likewise.
6347 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
6349 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
6350 * caller-save.c (init_caller_save): Use it.
6351 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
6353 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
6355 * configure.in: Add --enable-cpplib option which uses cpplib
6356 for cpp, but doesn't link cpplib into cc1. Make help text
6357 capitalization consistent.
6358 * configure: Rebuilt.
6360 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
6362 * function.c (gen_mem_addressof): If the address REG is
6363 REG_USERVAR_P make the new REG be so also.
6364 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
6365 in an attempt to clarify slightly.
6367 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
6369 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
6370 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
6372 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
6374 * toplev.c: Fix last patch.
6376 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
6378 * loop.c (get_condition): Fix typo in May 9 change.
6380 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6382 * invoke.texi (-fexceptions): Merge 2 different descriptions.
6384 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6386 * toplev.c (documented_lang_options): Spelling corrections.
6388 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6390 * configure.in: new flags --with-ld and --with-as, equivalent
6391 to setting LD and AS environment variables. Test whether
6392 specified arguments are GNU commands, and report them with
6393 checking messages. Use the specified AS for configure
6396 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
6398 * gcc.c (find_a_file): when looking for `as' and `ld', return
6399 the DEFAULT program if it exists
6400 * collect2.c (main): use DEFAULT_LINKER if it exists
6402 * gcc.c (find_a_file): the test for existence of a full
6403 pathname was reversed
6405 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
6407 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
6408 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
6410 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
6412 * tree.h (TYPE_BINFO): Document.
6414 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
6416 * i386-coff.h (dbxcoff.h): Added.
6418 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
6420 * toplev.c: fix bad patch around flag_data_sections.
6422 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
6424 * reload1.c (reload): Use reload_address_index_reg_class and
6425 reload_address_base_reg_class when setting
6426 caller_save_spill_class. (Patch generated by Jim Wilson:
6429 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
6431 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
6432 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
6433 * expr.c (store_field): Add alias_set parameter. Set the
6434 MEM_ALIAS_SET accordingly, if the target is a MEM.
6435 (expand_assignment): Use it.
6436 (store_constructor_field): Pass 0.
6437 (expand_expr): Likewise.
6439 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
6441 * flags.h: Add flag_data_sections.
6442 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
6443 (compile_file): Error if flag_data_sections not supported.
6444 * varasm.c (assemble_variable): Handle flag_data_sections.
6445 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
6446 * config/mips/elf.h: Likewise.
6447 * config/mips/elf64.h: Likewise.
6448 * invoke.texi: Describe -fdata-sections.
6450 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
6452 * invoke.texi (-ffloat-store): Clarify that this option
6453 does not affect intermediate results -- only variables.
6455 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
6457 * cpp.texi: Update for Fortran usage from Craig.
6459 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
6461 * rs6000.c (function_arg_boundary): Revert accidental change on
6464 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
6466 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
6467 (output_mi_thunk): Declare.
6469 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
6470 (output_function_profiler): Use r12 for temp, instead of r11 so
6471 that we preserve the static chain register.
6473 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
6475 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
6477 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6479 * sh.c (gen_shl_sext): Fix case 5.
6481 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6483 * reload1.c (reload_combine): Re-add line that got accidentally lost.
6485 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6487 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
6488 accessing variables until they are initialized via va_arg().
6490 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6492 * reload1.c (reload_combine): Initialize set before using.
6494 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
6496 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
6499 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
6501 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
6502 operand3 with mask before using it. Patch provided by Jim Wilson.
6504 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6506 * config/sparc/sparc.c (function_value): Perform the equivalent of
6507 PROMOTE_MODE for ARCH64.
6508 (eligible_for_epilogue_delay): Allow DImode operations in delay
6509 slot of a return for ARCH64.
6511 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6513 * sh.md (sqrtsf2): Fix mode of sqrt.
6515 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6517 * reload1.c (choose_reload_regs): Also try inheritance when
6518 reload_in is a stack slot of a pseudo, even if we already got a
6521 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6523 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
6524 (reload_cse_regs): New function body: call reload_cse_regs_1,
6525 reload_combine, reload_cse_move2add.
6526 When doing expensive_optimizations, call reload_cse_regs_1 a
6527 second time after reload_cse_move2add.
6528 (reload_combine, reload_combine_note_store): New functions.
6529 (reload_combine_note_use): New function.
6530 (reload_cse_move2add, move2add_note_store): New functions.
6532 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6534 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
6535 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
6537 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
6538 more than 3 such reloads.
6540 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
6541 RELOAD_FOR_X_ADDR_ADDR reload.
6543 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6545 * expr.c (store_constructor): When initializing a field that is smaller
6546 than a word, at the start of a word, try to widen it to a full word.
6548 * cse.c (cse_insn): When we are about to change a register,
6549 remove any invalid references to it.
6551 (remove_invalid_subreg_refs): New function.
6552 (mention_regs): Special treatment for SUBREGs.
6553 (insert_regs): Don't strip SUBREG for call to mention_regs.
6554 Check if reg_tick needs to be bumped up before that call.
6555 (lookup_as_function): Try to match known word_mode constants when
6556 looking for a norrower constant.
6557 (canon_hash): Special treatment for SUBREGs.
6559 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6561 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
6562 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
6563 defined, emit libcall to __enable_execute_stack. Also fix opcodes
6564 and offsets in actual stack trampoline code so they match the
6565 commentary and actually work.
6567 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6569 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
6571 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
6572 tmake_file. Set extra_parts to needed crt objects.
6573 * configure: Rebuilt.
6574 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
6575 (TARGET_DEFAULT): Set if default is v9 or ultra.
6576 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
6577 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
6578 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
6579 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
6580 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
6581 (TARGET_VERSION): Define.
6582 (MULTILIB_DEFAULT): Define.
6583 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
6584 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
6585 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
6587 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
6588 * config/sparc/sparc.c (sparc_override_options): If arch and
6589 pointer size disagree, emit diagnostic and fix it up. If
6590 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
6591 V8PLUS in 64-bit mode.
6592 * config/sparc/t-linux64: New file.
6593 * config/sparc/t-sol2-64: New file.
6594 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
6595 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
6596 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
6597 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
6598 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
6599 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
6601 (STARTFILE_SPEC): Set approriately based upon those.
6602 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
6603 disposition of DEFAULT_ARCH32_P.
6604 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
6605 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
6606 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
6607 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
6608 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
6610 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
6612 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
6614 * rtl.h (init_virtual_regs): New function.
6615 * emit-rtl.c (init_virtual_regs): Define.
6616 (insn_emit): Use it.
6617 * integrate.c (save_for_inline_copying): Likewise.
6619 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
6621 * config/arm/thumb.h: The following patches were made by Jim Wilson:
6622 (enum reg_class): Add NONARG_LO_REGS support.
6623 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
6624 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
6625 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
6626 completes. Re-enable HImode REG+OFFSET addresses.
6627 (LEGITIMIZE_RELOAD_ADDRESS): Define.
6629 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
6631 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
6633 * alpha.c (get_aligned_mem): Revert Sep 20 change.
6634 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
6635 (alpha_align_insns): Properly calculate initial offset wrt max_align.
6637 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
6639 * arm.c (find_barrier): Revert change of Apr 23. Handle table
6640 jumps as a single entity, taking into account the size of the
6643 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6645 * tree.def (SWITCH_EXPR): New tree node definition.
6647 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
6649 * version.c: Bump for snapshot.
6651 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
6653 * version.c: Bump for snapshot.
6655 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
6657 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
6660 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
6662 * Revert this patch.
6663 * reload.c (find_reloads): Do not replace a pseudo with
6664 (MEM (reg_equiv_addr)) in the initializing insn for the
6667 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
6669 * final.c (final_scan_insn): Disable tracking CC across branches.
6671 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6673 * expr.h (eh_rtime_match_libfunc): New extern declaration.
6674 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
6675 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
6676 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
6677 NULL. Only include <stdio.h> if inhibit_libc is not defined.
6679 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
6681 * toplev.c (rest_of_compilation): Skip compiling anything with
6682 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
6684 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
6686 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
6687 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
6688 use in_libcall_block.
6689 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
6690 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
6693 Mon Sep 21 14:02:23 1998
6695 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
6696 typo in no-fancy-math-387 description.
6698 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
6700 * version.c: Bump for snapshot.
6702 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
6704 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
6706 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
6708 * i386.h: (TARGET_SWITCHES) Add description fields for flags
6709 documented in install.texi.
6710 (TARGET_OPTIONS) Likewise.
6712 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
6714 * version.c: Bump for snapshot.
6716 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
6718 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
6719 * cccp.c (main): Likewise.
6721 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
6722 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
6725 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
6727 * Makefile.in (LIBS): Link in libiberty.a.
6728 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
6730 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
6732 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
6733 it to update bb boundaries. Update caller.
6734 * function.c (reposition_prologue_and_epilogue_notes): Update
6735 bb boundaries wrt the moved note.
6737 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
6739 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
6741 * configure: Regenerate.
6743 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
6745 * alpha.c (alpha_sr_alias_set): New variable.
6746 (override_options): Set it.
6747 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
6748 (mode_mask_operand): Fix signed-unsigned comparision warning.
6749 (alpha_expand_block_move): Likewise.
6750 (print_operand): Likewise.
6751 (get_aligned_mem): Use change_address.
6752 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
6753 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
6754 (alphaev4_next_nop, alphaev5_next_nop): New functions.
6755 (alpha_align_insns): Remade from old alphaev5_align_insns
6756 to handle multiple processors.
6757 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
6758 * output.h (label_to_alignment): Prototype.
6760 * tree.c (new_alias_set): New function.
6761 * tree.h (new_alias_set): Declare it.
6762 * c-common.c (c_get_alias_set): Use it.
6764 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
6766 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
6767 to an ABS expr, convert an unsigned input to signed.
6769 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
6771 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
6773 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6775 * configure.in: Add support for c4x targets.
6776 * configure: Rebuilt.
6778 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
6780 * combine.c (distribute_notes): If an insn is a cc0 user, only
6781 delete it if we can also delete the cc0 setter.
6783 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
6785 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
6786 (invert_truthvalue): Enable truthvalue inversion for
6787 floating-point operands if -ffast-math.
6789 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
6791 * configure.in: Disable collect2 for nextstep. Instead use
6793 * configure: Rebuilt.
6794 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
6795 (ENDFILE_SPEC): Define.
6796 (OBJECT_FORMAT_MACHO): Define.
6797 (EH_FRAME_SECTION_ASM_OP): Define.
6798 * crtstuff.c: Handle MACHO.
6800 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
6802 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
6804 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
6806 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
6807 (_fpadd_parts): Get sign right for 0.
6809 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6811 * ginclude/varargs.h: Add support for C4x target.
6812 * ginclude/stdargs.h: Likewise.
6814 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
6816 * alpha.c (alpha_return_addr): SET should be VOIDmode.
6817 (alpha_emit_set_long_const): Rewrite to be callable from reload
6819 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
6820 * alpha.md (movdi): Likewise.
6822 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
6824 * arm.c (add_constant): New parameter address_only, change caller.
6825 Set it non-zero if taking the address of an item in the pool.
6826 (arm_reorg): Handle cases where we need the address of an item in
6829 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
6831 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
6832 memory addresses that are not in standard canonical form.
6834 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
6836 * README.C4X: New file with information about the c4x ports.
6837 * ginclude/va-c4x.h: New file for c4x varargs support.
6838 * config/c4x: New directory with c4x port files.
6840 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
6842 * reload.c (find_reloads): Do not replace a pseudo with
6843 (MEM (reg_equiv_addr)) in the initializing insn for the
6846 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6848 * toplev.c (rest_of_compilation): Set bct_p on second call to
6850 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6852 (strength_reduce): Only call analyze_loop_iterations and
6853 insert_bct if bct_p set.
6854 (check_dbra_loop): Fix typo.
6855 (insert_bct): Use word_mode instead of SImode.
6856 (instrument_loop_bct): Likewise. Do not delete iteration count
6857 condition code generation insn. Initialize iteration count before
6859 * rtl.h (loop_optimize): Update prototype.
6861 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6862 not doubleword aligned.
6864 * rs6000.c (optimization_options): New function.
6865 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6866 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6867 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6868 first; cr1 can be used for FP record condition insns.
6870 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6872 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6875 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6878 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6880 (block_move_call): New function: Call a library routine to copy a
6882 (m32r_expand_block_move): New function: Expand a "movstrsi"
6883 pattern into a sequence of insns.
6884 (m32r_output_block_move): New function: Expand a
6885 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6886 (m32r_block_immediate_operand): New function: Return true if the
6887 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6889 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6891 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6893 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6895 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6897 * regmove.c (copy_src_to_dest): Check that modes match.
6899 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6901 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6903 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6905 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6906 narrower than FLOAT_REGS.
6908 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6910 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6912 * Makefile.in (old_gxx_include_dir): removed
6914 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6916 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6919 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6920 (sh_handle_pragma): Change function arguments to match new
6921 specification for HANDLE_PRAGMA.
6923 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6925 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6927 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6928 When generating output, initialize missing struct member to zero.
6930 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6932 * regmove.c (copy_src_to_dest): Don't copy if that requires
6933 (a) new register(s).
6935 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6937 * global.c (reg_allocno): Now static.
6938 * reload1.c (reg_allocno): Delete declaration.
6939 (order_regs_for_reload): Take no arguments. Don't treat regs
6940 allocated by global differently than those allocated by local-alloc.
6942 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6944 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6945 condition, fix format strings.
6946 (output_function_epilogue): Likewise.
6948 * m68k/m68k.c: Don't include <stdlib.h> directly.
6950 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6952 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6953 mem_first_set, mem_last_set; because 0 can be a CUID.
6954 (oprs_unchanged_p): Use new definition.
6955 (record_last_reg_set_info): Likewise.
6956 (record_last_mem_set_info): Likewise.
6957 (compute_hash_table): Likewise.
6959 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6961 * rs6000.c (output_epilogue): Handle Chill.
6963 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6964 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6966 * combine.c (make_extraction): If no mode is specified for
6967 an operand of insv, extv, or extzv, default it to word_mode.
6968 (simplify_comparison): Similarly.
6969 * expmed.c (store_bit_field): Similarly.
6970 (extract_bit_field): Similarly.
6971 * function.c (fixup_var_regs_1): Similarly.
6972 * recog.c (validate_replace_rtx_1): Similarly.
6973 * mips.md (extv, extzv, insv expanders): Default modes for most
6974 operands. Handle TARGET_64BIT.
6975 (movdi_uld, movdi_usd): New patterns.
6977 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6978 equivalent memory location unless we have been provided a scratch
6979 register. Similarly do not call find_replacement unless a
6980 scratch register has been provided.
6982 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6984 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6987 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6989 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6990 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6991 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6992 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6993 * c-decl.c (init_decl_processing): Update accordingly.
6994 * expr.c (expand_builtin): Likewise.
6996 * rtl.h (global_rtl): Add cfa entry.
6997 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6998 (LAST_VIRTUAL_REGISTER): Update.
6999 * emit-rtl.c (global_rtl): Add cfa entry.
7000 (init_emit): Initialize it.
7001 * function.c (cfa_offset): New.
7002 (instantiate_virtual_regs): Initialize it.
7003 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
7004 (expand_function_end): Call expand_eh_return.
7005 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
7007 * except.c (current_function_eh_stub_label): Kill.
7008 (current_function_eh_old_stub_label): Likwise; update all references.
7009 (expand_builtin_set_return_addr_reg): Kill.
7010 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
7011 (expand_builtin_set_eh_regs): Kill.
7012 (eh_regs): Produce a third reg for the actual handler address.
7013 (eh_return_context, eh_return_stack_adjust): New.
7014 (eh_return_handler, eh_return_stub_label): New.
7015 (init_eh_for_function): Initialize them.
7016 (expand_builtin_eh_return, expand_eh_return): New.
7017 * except.h: Update prototypes.
7018 * flow.c (find_basic_blocks_1): Update references to the stub label.
7019 * function.h (struct function): Kill stub label elements.
7021 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
7022 register number is one that would be in the previous window.
7023 Provide a dummy definition for non-windowed targets.
7024 (get_reg_addr): New function.
7025 (get_reg, put_reg, copy_reg): Use it.
7026 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
7027 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
7029 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
7030 (alpha_init_expanders): Initialize it.
7031 (alpha_expand_epilogue): Use it.
7032 * alpha.h: Declare it.
7033 * alpha.md (eh_epilogue): New.
7035 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
7036 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
7038 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
7040 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
7043 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7045 * except.h (struct eh_entry): Add false_label field.
7046 (end_catch_handler): Add prototype.
7047 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
7048 (start_catch_handler): When using old style exceptions, issue
7049 runtime typematch code before continuing with the handler.
7050 (end_catch_handler): New function, generates label after handler
7051 if needed by older style exceptions.
7052 (expand_start_all_catch): No need to check for new style exceptions.
7053 (output_exception_table_entry): Only output the first handler label
7054 for old style exceptions.
7055 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
7056 mechanism into one function, if a runtime matcher is provided.
7058 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
7060 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
7062 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
7064 * integrate.c (copy_decl_list): Fix typo.
7066 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7068 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
7071 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
7073 * version.c: Bump for snapshot.
7075 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
7077 * version.c: Bump for snapshot.
7079 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
7081 * version.c: Bump for snapshot.
7083 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7085 * invoke.texi (C Dialect Options): Put back missing @end itemize.
7087 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7089 * configure.in: remove usage of `!' to negate the result of a
7090 command; some common shells do not support it
7092 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7094 * configure.in: in sparc9-sol2 config, use 'if test' not
7096 * configure: Rebuilt.
7098 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
7100 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
7101 (CPP_CPU_DEFAULT_SPEC): Likewise.
7102 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
7103 for arch64 libfuncs.
7105 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
7108 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7110 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
7112 * collect2.c: Don't declare `sys_siglist' here.
7113 (my_strsignal): Prototype and define new function. Use it in
7114 place of `sys_siglist' hacks.
7116 * mips_tfile.c: Likewise.
7118 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
7119 (GCC_NEED_DECLARATIONS): Likewise.
7121 * system.h (strsignal): Prototype it, if necessary.
7122 (sys_siglist): Declare it, if necessary.
7124 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7126 * loop.c (move_movables): While removing insn sequences, preserve
7127 the next pointer of the most recently deleted insn when we skip
7130 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
7132 * objc/config-lang.in: Do not output the name of the selected
7133 thread file when building the front-end. The Makefile for the
7134 runtime library will do this.
7136 * objc/Make-lang.in: Do not build the runtime library or install
7137 the Objective C header files. The Makefile for the runtime
7138 library will do this.
7140 * objc/Makefile.in (all.indirect): Only build the front-end.
7141 (compiler): Rename to `frontend'.
7142 (obj-runtime): Remove target.
7143 (copy-headers): Likewise.
7144 (clean): No need to remove `libobjc.a' any longer.
7146 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
7148 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
7149 supported with -mcpu=xxx.
7151 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7153 * flow.c (mark_set_1): Recognize multi-register structure return
7154 values in CALL insns.
7155 (mark_used_regs): Likewise.
7156 (count_reg_sets_1): Likewise.
7157 (count_reg_references): Likewise.
7158 * rtlanal.c (note_stores): Likewise.
7159 (reg_overlap_mentioned_p): Likewise.
7160 * haifa-sched.c (check_live_1): Likewise.
7161 (update_live_1): Likewise.
7162 (sched_analyze_1): Likewise.
7163 (sched_note_set): Likewise.
7164 (birthing_insn_p): Likewise.
7165 (attach_deaths): Likewise.
7167 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
7170 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
7172 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
7174 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7176 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
7178 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7180 * configure.in: Add check for GAS subsection -1 support.
7181 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
7182 * configure config.in: Rebuilt.
7183 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
7184 SImode is subsection -1 works, else use DImode.
7185 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
7186 subsection -1 works.
7187 * config/sparc/sparc.c (sparc_output_addr_vec,
7188 sparc_output_addr_diff_vec): Use them if defined.
7190 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
7192 * tree.h (DECL_ORIGIN): New macro.
7193 * integrate.c (copy_and_set_decl_abstract_origin): New function.
7194 (copy_decl_list): Use it.
7195 (integrate_parm_decls): Likewise.
7196 (integrate_decl_tree): Likewise.
7197 * dwarf2out.c (decl_ultimate_origin): Simplify.
7198 * dwarfout.c (decl_ultimate_origin): Likewise.
7199 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
7200 (pushdecl): Likewise.
7202 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
7204 * config/rs6000/rs6000.c (output_epilog): Add Java support.
7206 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
7208 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
7210 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
7212 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
7213 empty or has a single entry.
7215 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
7216 before calling reg_to_stack.
7218 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
7220 * alpha.c (alphaev5_insn_pipe): Abort on default case.
7221 (alphaev5_next_group): Swallow CLOBBERs and USEs.
7223 * c-tree.h (warn_long_long): Declare it.
7225 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
7227 * emit-rtl.c (gen_lowpart_common): Disable optimization of
7228 initialized float-int union if the value is a NaN.
7230 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
7232 * c-lex.c (real_yylex): Don't warn about long long constants if
7233 we're allowing long long
7235 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7237 * except.h (current_function_eh_stub_label): Declare.
7238 (current_function_eh_old_stub_label): Declare.
7239 * function.h (struct function): New members eh_stub_label and
7241 * except.c (current_function_eh_stub_label): New variable.
7242 (current_function_eh_old_stub_label): New variable.
7243 (init_eh_for_function): Clear them.
7244 (save_eh_status): Save them.
7245 (restore_eh_status): Restore them.
7246 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
7247 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
7248 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
7249 make an edge from the block that contains it to the block starting
7250 with the label if this label is one of the eh stub labels.
7251 If eh stub labels exist, show they are reachable from the last block
7254 * reload1.c (reload): Break out several subroutines and make some
7256 (calculate_needs_all_insns): New function, broken out of reload.
7257 (calculate_needs): Likewise.
7258 (find_reload_regs): Likewise.
7259 (find_group): Likewise.
7260 (find_tworeg_group): Likewise.
7261 (something_needs_reloads): New global variable, formerly in reload.
7262 (something_needs_elimination): Likewise.
7263 (caller_save_spill_class): Likewise.
7264 (caller_save_group_size): Likewise.
7265 (max_needs): Likewise.
7266 (group_size): Likewise.
7267 (max_groups): Likewise.
7268 (max_nongroups): Likewise.
7269 (group_mode): Likewise.
7270 (max_needs_insn): Likewise.
7271 (max_groups_insn): Likewise.
7272 (max_nongroups_insn): Likewise.
7273 (failure): Likewise.
7275 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
7277 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
7279 * loop.c (load_mems): Copy rtx for output mem.
7281 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
7283 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
7284 mips1 or mips2 either.
7286 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
7288 * pa.c (pa_reorg): New marking scheme for jumps inside switch
7290 (pa_adjust_insn_length): Update to work with new marking scheme
7291 for jumps inside switch tables.
7292 * pa.md (switch_jump): Remove pattern.
7293 (jump): Handle jumps inside jump tables.
7295 * Makefile.in (profile.o): Depend on insn-config.h
7297 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
7299 * iris6.h (DWARF2_UNWIND_INFO): Undef.
7301 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7303 Add preliminary native sparcv9 Solaris support.
7304 * configure.in: Recognize sparv9-*-solaris2*
7305 * configure: rebuilt
7306 * config.sub: Recognize sparcv9 just like sparc64.
7307 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
7308 config/sparc/sol2-cn.asm: Macroize so it can be shared between
7309 32-bit and 64-bit Solaris systems.
7310 * config/sparc/t-sol2: Assemble those with cpp.
7311 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
7312 (*TF*_LIBCALL): If ARCH64 use V9 names.
7313 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
7315 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7317 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
7318 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
7320 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
7322 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
7323 to Pmode if CASE_VECTOR_MODE is something else.
7325 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
7327 * prefix.c (update_path): Correctly handle cases where PATH is
7328 a substring of the builtin prefix, but specifies a different
7331 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
7333 * expr.c: Corrected comment about what MOVE_RATIO does.
7334 * config/alpha/alpha.h: Ditto.
7335 * config/1750a/1750a.h: Ditto.
7336 * config/clipper/clipper.h: Ditto.
7337 * config/i386/i386.h: Ditto.
7339 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
7341 * configure.in (m68k-next-nextstep3*): Use collect2.
7342 Similarly for x86 NeXT configurations.
7343 * configure: Rebuilt.
7345 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
7347 * configure.in: Don't assume srcdir is .../gcc
7348 * configure: Rebuilt.
7350 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
7352 * global.c: Update comments.
7353 (global_alloc): Assign allocation-numbers
7354 even for registers allocated by local_alloc in case
7355 they are later spilled and retry_global_alloc is called.
7356 (mark_reg_store, mark_reg_clobber,
7357 mark_reg_conflicts, mark_reg_death): Always record a
7358 conflict with a pseudo register even if it has been
7359 assigned to a hard register.
7360 (dump_conflicts): Don't list pseudo registers already assigned to
7361 a hard register as needing to be allocated, but do list their
7363 * local-alloc.c: Update comment.
7365 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
7367 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
7368 * configure: Rebuilt.
7370 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
7372 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
7374 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
7375 for all targets that set -msoft-float.
7377 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7379 * toplev.c (print_switch_values): Make static to match prototype.
7381 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
7383 * configure.in: If we are unable to find the "gnatbind" program,
7384 then do not configure the ada subdir.
7385 * configure: Rebuilt.
7387 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
7389 * version.c: Bump for snapshot.
7391 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
7393 * version.c: Bump for snapshot.
7395 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7397 * Makefile.in (toplev.o): Depend on $(EXPR_H).
7398 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
7400 * gansidecl.h: Define ATTRIBUTE_NORETURN.
7402 * genattrtab.c: Have insn-attrtab.c include toplev.h.
7404 * genextract.c: Have insn-extract.c include toplev.h.
7406 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
7408 * toplev.c: Include expr.h.
7409 (really_sorry, fancy_abort): Remove prototypes.
7410 (set_target_switch): Add argument in prototype.
7411 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
7412 (v_really_sorry): Likewise.
7413 (print_version, print_single_switch, print_switch_values): Make
7414 static and add prototype arguments.
7415 (decl_printable_name): Add prototype arguments.
7416 (lang_expand_expr_t): New typedef.
7417 (lang_expand_expr): Declare as a lang_expand_expr_t.
7418 (incomplete_decl_finalize_hook): Add prototype argument.
7419 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
7420 (botch): Likewise for variable `s'.
7421 (rest_of_type_compilation): Mark variables `type' and `toplev'
7422 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
7423 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
7424 (display_help): Make variable `i' an `unsigned long'.
7425 (main): Remove unused parameter `envp'.
7426 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
7427 Cast -1 when comparing it with a `size_t'.
7429 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
7430 prototype with ATTRIBUTE_NORETURN.
7431 (fatal_insn_not_found, fatal_insn, really_sorry,
7432 push_float_handler, pop_float_handler): Add prototypes.
7433 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
7434 (do_abort, botch): Add prototypes.
7436 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
7438 * final.c (final): If a label is reached only from a single jump,
7439 call NOTICE_UPDATE_CC on the jump and its predecessor before
7440 emitting the insn after the label.
7442 * i386.h: Add AMD K6 support.
7443 Change TARGET_* macros to use table lookup.
7444 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
7445 (ADJUST_COST): Change definition to call function in i386.c.
7446 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
7447 * i386.c: Add AMD K6 support.
7448 Add constants for feature tests used by TARGET_* macros.
7449 (split_di): If before reload, call gen_lowpart and gen_highpart.
7450 (x86_adjust_cost): New function.
7451 (put_jump_code): New function.
7452 (print_operand): New codes 'D' and 'd'.
7453 * i386.md: New insn types. New insn attribute "memory".
7454 Redefine scheduling parameters to use new types and add AMD K6
7455 support. Explicitly set type of most insns.
7456 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
7457 Pro and K6 prefer movl $1,reg to incl reg.
7458 (adddi3, subdi3): Set cc_status.
7459 (DImode shift patterns): Change label counters from HOST_WIDE_INT
7460 to int; x86 can't have more than 2^31 DImode shifts per file.
7461 (setcc): Combine all setcc patterns. Allow writing memory.
7462 Combine all jump patterns using match_operator.
7463 (*bzero): Name pattern. Emit mutliple stos instructions when that
7464 is faster than rep stos.
7465 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
7468 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
7470 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
7473 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
7475 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
7476 not whatever we're generating now.
7478 * alpha.c (set_frame_related_p, FRP): New.
7479 (alpha_expand_prologue): Mark frame related insns.
7480 (alpha_expand_epilogue): Likewise, but with a null FRP.
7481 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
7482 * alpha.md (exception_receiver): New.
7483 * alpha/crtbegin.asm (.eh_frame): New beginning.
7484 (__do_frame_setup, __do_frame_takedown): New.
7485 * alpha/crtend.asm (.eh_frame): New ending.
7486 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
7487 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
7488 (ASM_FILE_START): Don't emit .file for dwarf2.
7490 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
7491 * rtl.c (reg_note_name): Likewise.
7492 * rtl.texi (REG_NOTES): Likewise.
7493 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
7496 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
7498 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
7499 * i386.md (movsf, movdf, movxf): Validate memory address returned
7500 from force_const_mem. Kill useless REG_EQUAL setting code.
7502 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
7504 * m68k.md (zero_extendsidi2): Fix typo.
7506 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
7508 * configure.in: Removed references to the removed file
7509 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
7510 * arm*-*-netbsd* and ns32k-*-netbsd*.
7511 * config/i386/xm-netbsd.h: Removed unnecessary file.
7512 * config/m68k/xm-netbsd.h: Likewise.
7513 * config/sparc/xm-netbsd.h: Likewise.
7514 * config/mips/xm-netbsd.h: Likewise.
7516 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
7518 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
7519 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
7521 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
7522 for exact section attributions.
7524 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
7526 * i386/crtdll.h (CPP_PREDEFINES): Define.
7528 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
7530 * m68k.md (5200 movqi): Do not allow byte sized memory references
7532 * m68k.c (output_move_qimode): Do not use byte sized operations on
7535 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
7536 explicit rules for building. Similarly for alloca, vfprintf,
7537 choose-temp and mkstemp, getopt, getopt1, and obstack.
7538 (INCLUDES): Add $(srcdir)/../include.
7539 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
7540 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
7542 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
7544 * gcc.c (do_spec_1): [case 'o'] Account for
7545 lang_specific_extra_outfiles.
7546 (main): Correctly clear all slots in outfiles for
7547 lang_specific_extra_outfiles. Set input_file_number before
7548 calling lang_specific_pre_link.
7550 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
7552 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
7554 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7556 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
7558 (sparc_output_deferred_case_vectors): If no work to do, return.
7559 Fix thinko in Sept 1 change.
7561 1998-09-03 SL Baur <steve@altair.xemacs.org>
7563 * Makefile.in: add semicolon in BISON definition for portability.
7565 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
7567 * config/nextstep.c (handle_pragma): Correct name of third
7570 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
7572 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
7573 * config/m32r/m32r.h: Make register 17 be fixed.
7574 * config/m32r/m32r.c: Use SImode for cc operations.
7576 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
7578 * invoke.texi (Warning Options): Add -Wnon-template-friend
7581 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
7583 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
7585 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
7587 * rs6000.md (movsf): Disable explicit secondary-reload-like
7588 functionality if TARGET_POWERPC64.
7589 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
7592 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
7594 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
7595 and term.h from fixinc.wrap.
7597 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7599 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
7600 safe to include both string.h and strings.h together.
7601 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
7602 which headers to search for function declarations. Continue to
7603 prefer string.h over strings.h when both are not acceptable.
7605 * acconfig.h (STRING_WITH_STRINGS): Add stub.
7607 * configure.in: Call GCC_HEADER_STRING.
7609 * system.h: Test STRING_WITH_STRINGS when deciding which headers
7610 to include. Continue to prefer string.h over strings.h when both
7613 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7615 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
7616 not assume top 32-bits of symbolic addresses are zero if
7619 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
7621 * ginclude/va-alpha.h: Protect entire second portion of the
7622 file against double inclusion.
7624 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
7626 Added support for the Boehm's garbage collector.
7627 * configure.in: Handle --enable-objc-gc.
7628 * configure: Rebuilt.
7629 * Makefile.in (CHECK_TARGETS): Add check-objc.
7630 (check-objc): New rule.
7631 * objc/Make-lang.in: Build a different Objective-C library that
7632 runs with the Boehm's collector.
7633 * objc/encoding.c (objc_round_acc_size_for_types): New function.
7634 * objc/encoding.c: Correctly compute the size of compound types in
7635 the presence of bitfields. Skip the variable name of the type if
7636 any. Added support for long long.
7637 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
7638 (_F_GCINVISIBLE): New mask.
7639 * objc/gc.c: New file. Compute the type memory mask associated with
7640 a class based on the runtime information.
7641 * objc/misc.c: Added the hooks that use the Boehm's collector
7642 allocation functions.
7643 * objc/objc-act.c (build_class_template): Generate a new class
7644 member (gc_object_type) to hold the class' type memory mask.
7645 (build_shared_structure_initializer): Initialize the new member to
7647 (encode_complete_bitfield): New function. Generate the new
7649 (encode_field_decl): Generate the new encoding only for the GNU
7651 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
7653 (class_get_gc_object_type): New function to mark a pointer instance
7654 variable as a weak pointer.
7655 * objc/objc-features.texi: New file.
7656 * objc/objc.h (gc_object_type): New class member.
7657 * objc/objects.c (class_create_instance): Create a typed memory
7658 object when compiled with Boehm's collector support.
7659 * objc/sendmsg.c (__objc_init_install_dtable): Call
7660 __objc_send_initialize instead of setting the initialize flag.
7661 (__objc_send_initialize): Call __objc_generate_gc_type_description
7662 to generate the class type memory mask. Rewrite the code that
7663 sends the +initialize so that it is called only once (bug report
7664 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
7665 * testsuite/objc: New testsuite for Objective-C type encoding.
7666 * testsuite/lib/objc-torture.exp: New file.
7667 * testsuite/lib/objc.exp: New file.
7669 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
7671 * jump.c (jump_optimize): In if/then/else transformations, add
7672 another call to modified_between_p for the jump insn.
7674 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
7676 * fix-header.c (symlink): Treat like readlink.
7678 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7680 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
7683 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
7685 * config/nextstep.h: Update HANDLE_PRAGMA macro.
7686 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
7687 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
7689 * config/nextstep.c (handle_pragma): Take three arguments, as per
7690 the new HANDLE_PRAGMA macro specification.
7691 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
7692 per the new HANDLE_PRAGMA macro specification.
7693 * config/i960/i960.c (process_pragma): Take three arguments, as
7694 per the new HANDLE_PRAGMA macro specification.
7696 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
7698 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
7699 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
7700 if unknown pragmas are encountered.
7701 (handle_sysv_pragma): Interpret return code from
7702 handle_pragma_token (). Return success/failure indication rather
7703 than next unprocessed character.
7704 (pragma_getc): New function: retrieves characters from the
7705 input stream. Defined when HANDLE_PRAGMA is enabled.
7706 (pragma_ungetc): New function: replaces characters back into the
7707 input stream. Defined when HANDLE_PRAGMA is enabled.
7709 * c-pragma.c (handle_pragma_token): Return success/failure status
7712 * c-pragma.h: Change prototype of handle_pragma_token().
7714 * varasm.c: (handle_pragma_weak): Only create this function if
7715 HANDLE_PRAGMA_WEAK is defined.
7717 * c-common,c (decl_attributes): If defined call the expression
7718 contained within the INSERT_ATTRIBUTES macro before adding
7719 attributes to a decl.
7721 * tm.texi (HANDLE_PRAGMA): Document the new verion of
7722 HANDLE_PRAGMA, which takes three arguments.
7723 (INSERT_ATTRIBUTES): Document this new macro.
7725 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
7726 new INSERT_ATTRIBUTES macro.
7728 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7730 * config/sparc/sparc.md (movdf): Only generate special RTL for
7731 LABEL_REFs when PIC.
7732 (move_label_di): Remove
7733 (movdi_pic_label_ref, movdi_high_pic_label_ref,
7734 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
7735 references when PIC.
7736 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
7737 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
7738 output an .xword for all 64-bit cases.
7740 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7742 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
7743 alignment, use FUNCTION_BOUNDARY instead.
7744 (sparc_output_deferred_case_vectors): Likewise.
7746 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7748 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
7749 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
7751 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
7753 * alpha/va_list.h: New file.
7754 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
7756 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
7758 * NEWS: Add SCO Openserver and Unixware 7 notes.
7762 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
7764 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
7765 (record_constant_1): Handle RANGE_EXPR.
7767 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
7769 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
7770 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
7771 and NOTE_INSN_RANGE_END specially.
7772 (reemit_notes): Likewise.
7774 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7776 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
7777 (ultrasparc_sched_init): Remove unneeded &.
7779 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7781 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
7782 for m68020-60, to prevent the use of fintrz.
7784 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
7786 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
7788 * Makefile.in: Likewise.
7789 * configure: Regenerated.
7791 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
7793 * configure.in (gxx_include_dir): Changed to
7794 '${prefix}/include/g++'-${libstdcxx_interface}.
7795 * configure: Rebuilt.
7797 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
7799 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
7801 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
7802 *sequences* *below* which scalar moves will be used.
7804 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
7806 * collect2.c (mktemp): Delete unused declaration.
7808 * config/xm-netbsd.h: Remove unnecessary file.
7809 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
7810 file anymore, it is not needed.
7812 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
7814 * convert.c (convert_to_integer): Issue an error on conversions to
7817 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
7819 * Makefile.in: Add lang_tree_files and gencheck.h.
7820 * configure.in: Generate them.
7821 * gencheck.c: Include gencheck.h.
7823 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7825 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
7826 movdi_lo_sum_pic and movdi_high_pic and make visible.
7827 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
7828 emit these when Pmode is not SImode.
7829 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
7831 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
7833 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
7834 .linkonce directive after the first time.
7836 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
7838 * m68k.md (beq0_di): Generate correct (and more efficient) code when
7839 the clobbered operand overlaps with an input.
7840 (bne0_di): Similarly.
7842 * Makefile.in (INSTALL): Remove "--no-header" argument.
7844 * NEWS: Various updates.
7846 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7848 * config/sparc/sparc.c (arith_operand, const64_operand,
7849 const64_high_operand, arith_double_4096_operand): Mark mode as
7851 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7853 (sparc_emit_set_const64): Remove unused variable i.
7854 (sparc_splitdi_legitimate): Likewise for addr_part.
7855 (ultra_code_from_mask): Likewise for mask.
7856 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7857 reverse return values so it matches usage and comments.
7858 (ultra_flush_pipeline): Likewise.
7859 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7860 this_type, and allow loads and stores of differing FP modes as
7861 they do not create a conflict.
7862 (ultra_find_type): Initialize fpmode to SFmode, fix
7863 parenthesization thinkos in large conditional.
7864 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7865 Init free_slot_mask after ultra_cur_hist is reset, not before.
7866 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7867 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7868 use ultra_flush_pipeline instead, then re-init group pointer.
7869 Fix statement with no effect. If no progress made in, and no
7870 instructions scheduled at all, advance to new pipeline cycle else
7871 we get into an endless loop.
7872 (ultrasparc_adjust_cost): Remove previous arg.
7873 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7875 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7877 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7878 code. Use reg_overlap_mentioned_p to detect when source and
7879 destination overlap.
7880 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7882 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7884 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7885 COMPARISON_VAL, into invariant_p.
7887 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7889 * regmove.c (regclass_compatible_p): New function.
7890 (regmove_optimize): Use it.
7892 Use NREGS parameter insted of calling max_reg_num.
7894 (fixup_match_1): Don't use code = MINUS when later tieing with
7895 a hard register is likely.
7897 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7899 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7900 COMPARISON_VAL was normalized.
7902 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7904 * loop.c (check_dbra_loop): The loop ending comparison value
7905 must be an invariant or we can not reverse the loop.
7907 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7908 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7910 (load_mems_and_recount_loop_regs_set): Likewise.
7912 * i386.c (print_operand): Remove obsolete 'c' docs.
7914 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7916 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7917 * frame.c (init_object_mutex): New function.
7918 (init_object_mutex_once): Likewise.
7919 (find_fde): Call it.
7920 (__register_frame_info): Likewise.
7921 (__register_frame_info_table): Likewise.
7922 (__deregister_frame_info): Likewise.
7924 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7926 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7928 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7930 * loop.c (check_dbra_loop): Enable code for reversal
7931 of some loops without a known constant loop end.
7933 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7935 * haifa-sched.c (last_clock_var): New.
7936 (schedule_block): Initialize it.
7937 (schedule_insn): Use it to fill insn modes with issue information.
7939 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7940 Tag trapb and next insn with TImode.
7941 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7942 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7943 Invoke alphaev5_align_insns as appropriate.
7944 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7945 (MD_SCHED_VARIABLE_ISSUE): New.
7946 * alpha.md (attr type): Add multi.
7947 (define_asm_attributes): New.
7948 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7949 (arg_home): Likewise.
7950 (fnop, unop, realign): New.
7952 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7954 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7955 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7957 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7958 (rs6000-ibm-aix4.[12]*): Likewise.
7959 * configure: Regnerate.
7961 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7963 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7964 already contains the return address.
7966 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7968 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7969 word sized hunks when loading unaligned args into registers.
7971 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7972 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7974 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7976 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7978 * loop.c (check_dbra_loop): Add some code that would allow reversal
7979 of some loops without a known constant loop end if it were enabled.
7981 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7983 * mips.md (lshrsi3_internal2+2): Fix type-o.
7985 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7987 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7988 correctly with regards to stdio.h.
7990 * calls.c: Remove stdarg.h/varargs.h.
7993 * combine.c: Likewise.
7994 * cpperror.c: Likewise.
7995 * cpplib.c: Likewise.
7996 * cpplib.h: Likewise.
7997 * doprint.c: Likewise.
7998 * emit-rtl.c: Likewise.
7999 * final.c: Likewise.
8000 * fix-header.c: Likewise.
8002 * genattr.c: Likewise.
8003 * genattrtab.c: Likewise.
8004 * gencodes.c: Likewise.
8005 * genconfig.c: Likewise.
8006 * genemit.c: Likewise.
8007 * genextract.c: Likewise.
8008 * genflags.c: Likewise.
8009 * genopinit.c: Likewise.
8010 * genoutput.c: Likewise.
8011 * genpeep.c: Likewise.
8012 * genrecog.c: Likewise.
8013 * mips-tfile.c: Likewise.
8014 * prefix.c: Likewise.
8015 * protoize.c: Likewise.
8016 * regmove.c: Likewise.
8017 * toplev.c: Likewise.
8020 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8022 * config/sparc/sparc.c (sparc_override_options): If not
8023 TARGET_FPU, turn off TARGET_VIS.
8024 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
8025 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
8026 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
8027 (movdi_insn_sp64): Add VIS fzero alternative.
8028 (clear_sf, clear_df): New VIS patterns.
8029 (movsf, movdf expanders): Allow fp_zero_operand flat out when
8031 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
8033 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
8035 * loop.c (n_times_set, n_times_used, may_not_optimize,
8036 reg_single_usage): Convert to varrays. All uses changed.
8037 (insert_loop_mem): Return a value.
8038 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
8039 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
8042 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
8045 * configure.in: Do not set thread_file to "irix" since no such
8048 * sparc.md (float abs/neg splits): Check reload_completed before
8049 calling alter_subreg.
8051 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8053 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
8055 * config/sparc/sparc.h: Declare it.
8056 * config/sparc/sparc.md (float abs/neg splits): Use it.
8057 (all other splits): Handle SUBREGs properly where necessary.
8058 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
8060 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
8062 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
8063 an insn on the unfilled_slots_list that has no delay slots.
8064 (fill_eager_delay_slots): Similarly.
8066 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
8068 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
8069 as an ordinary operand.
8071 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
8073 * tree.c (valid_machine_attribute): Don't apply attributes to both
8076 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
8078 * reload.c (operands_match_p): Handle rtvecs.
8080 * i386.c (legitimate_pic_address_disp_p): New.
8081 (legitimate_address_p): Use it.
8082 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
8083 Handle constant pool symbols just like statics.
8084 (emit_pic_move): Use Pmode not SImode for clarity.
8085 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
8086 [UNSPEC]: New, handling what we killed above.
8087 [PLUS]: Detect and abort on invalid symbol arithmetic.
8088 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
8090 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
8092 * alias.c: Include output.h.
8093 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
8094 different if we're in a varargs function.
8095 * Makefile.in (alias.o): Depend on output.h
8097 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8099 * sh.h (GIV_SORT_CRITERION): Delete.
8101 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
8103 * regclass.c (regclass): Use xmalloc/free instead of alloca.
8104 * stupid.c (stupid_life_analysis): Ditto.
8105 * reload1.c (reload): Ditto.
8107 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8109 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
8110 arith_double_4096_operand, arith_double_add_operand): New
8112 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
8113 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
8114 them to transform add/sub 4096 into add/sub -4096.
8116 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8118 * loop.c (scan_loop): Allocate some slop to handle pseudos
8119 generated by move_movables.
8120 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
8123 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
8125 * tree.def (DECL_RESULT): Correct documentation.
8127 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8129 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
8130 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
8131 conflicts will all RELOAD_FOR_OUTPUT reloads.
8133 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
8134 loads the function result, substitute with a USE.
8136 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
8138 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
8139 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
8140 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
8141 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
8142 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
8143 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
8145 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
8146 'o' to 'm' for GPR variant constraints.
8148 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
8150 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
8152 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
8154 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
8155 when the source and destination overlap.
8157 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
8158 clash with global type.
8160 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
8162 * fixinc.irix: Add curses.h handling from fixinc.wrap.
8164 * c-common.c (combine_strings): Also set TREE_READONLY.
8165 Change warn_write_strings to flag_const_strings.
8166 * c-decl.c, c-tree.h: Likewise.
8168 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8170 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
8171 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
8172 sequence, use SET/IOR instead so CSE can see it.
8173 * config/sparc/sparc.md (movhi_const64_special,
8174 movsi_const64_special): New patterns necessitated by that change.
8175 (movhi_high): Remove.
8176 (movhi_lo_sum): Change to match an IOR.
8177 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
8178 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
8179 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
8180 (movdf splits): Allow when not V9 or when not ARCH64 and integer
8181 registers are involved.
8182 (snesi_zero_extend split): Remove reload_completed test.
8183 (unnamed plus and minus zero_extend sidi splits): Add it.
8185 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
8187 * extend.texi: Remove description of extension to explicit
8188 instantiation that is now endorsed by standard C++.
8190 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8192 * config/arc/arc.c (arc_initialize_pic): Remove.
8193 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
8194 nothing on any platform and is invoked by no-one, it does not even
8195 appear in the documentation.
8196 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
8197 * config/sparc/sparc.c (initialize_pic): Likewise.
8198 (find_addr_reg): Remove this as well, no longer referenced after
8201 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
8203 * recog.c (validate_replace_rtx_group): New function.
8204 * recog.h (validate_replace_rtx_group): Declare it.
8205 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
8206 the entire group of substitutions.
8208 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
8210 * loop.c (load_mems): Fix initializers.
8212 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8214 * config/sparc/sparc.md (TFmode splits): Handle destination
8215 registers being referenced in the address correctly.
8217 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
8218 TREE_UNSIGNED, when bitsize of type's mode is larger than
8219 HOST_BITS_PER_WIDE_INT.
8221 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8223 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
8224 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
8225 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
8227 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
8230 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
8232 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
8233 * h8300.h (TINY_DATA_NAME_P): Likewise.
8234 (STRIP_NAME_ENCODING): Handle '&'.
8236 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
8237 register (it could be accessed via an outer SUBREG).
8238 (REG_OK_FOR_BASE_P): Likewwise.
8239 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
8241 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
8244 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
8246 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8248 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
8249 must be offsettable so the splits can be made.
8251 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
8253 * config/i386/winnt.c: Include system.h, not stdio.h to get
8254 sys/param.h pulled in before rtl.h in case the system defines MIN
8257 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
8259 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
8261 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
8263 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
8265 * cpplib.c (cpp_define): Handle macros with parameters.
8267 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
8269 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
8270 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
8271 and DImode 64-bit. Use llong for minimal-toc SFmode and
8272 SYMBOL_REF / LABEL_REF 64-bit.
8273 (output_function_profiler): Use llong for profiler label and ld to
8274 load 64-bit label address.
8276 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
8278 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
8281 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
8283 * version.c: Bump for snapshot.
8285 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
8287 * version.c: Bump for snapshot.
8289 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
8291 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
8293 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
8295 * tm.texi (Misc): Fix typo "teh".
8297 * tm.texi (PIC): Fix typo "PPIC".
8299 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
8300 effect when -O2 and higher.
8301 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
8303 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
8305 * regclass.c: Changed register set documentation to be consistent
8308 * final.c (final_start_function) Removed redundant test for
8311 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
8313 * rtl.h (rtx_function): New type.
8314 (for_each_rtx): New function.
8315 * rtlanal.c (for_each_rtx): Define it.
8317 * recog.c (change_t): New type.
8318 (change_objects, change_old_codes, change_locs, change_olds):
8320 (changes): New variable.
8321 (validate_change): Dynamically allocate room for more changes, if
8322 necessary. Uses changes array instead of change_objects, etc.
8323 (apply_change_group): Use changes array instead of
8324 change_objects, etc.
8326 * loop.c (loop_mem_info): New type.
8327 (loop_mems): New variable.
8328 (loop_mems_idx): Likewise.
8329 (looop_mems_allocated): Likewise.
8330 (scan_loop): Remove nregs parameter.
8331 (next_insn_in_loop): New function.
8332 (load_mems_and_recount_loop_regs_set): Likewise.
8333 (load_mems): Likewise.
8334 (insert_loop_mem): Likewise.
8335 (replace_loop_mem): Likewise.
8336 (replace_label): Likewise.
8337 (INSN_IN_RANGE_P): New macro.
8338 (loop_optimize): Don't pass max_reg_num() to scan_loop.
8339 (scan_loop): Remove nregs parameter, compute it after any new
8340 registers are created by load_mems. Use INSN_IN_RANGE_P and
8341 next_insn_in_loop rather than expanding them inline. Call
8342 load_mems to load memory into pseudos, if appropriate.
8343 (prescan_loop): Figure out whether or not there are jumps from the
8344 loop to targets other than the label immediately following the
8345 loop. Call insert_loop_mem to notice all the MEMs used in the
8346 loop, if it could be safe to pull MEMs into REGs for the duration
8348 (strength_reduce): Use next_insn_in_loop. Tweak comments.
8350 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
8352 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
8354 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8356 * config/sparc/sparc.c (finalize_pic): Check for the correct
8357 nonlocal_goto_receiver UNSPEC number.
8358 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
8359 making note of this dependency existing in sparc.c
8360 (negtf2_notv9 split): Give NEG SFmode.
8361 (negsf2): Fix insn output string.
8363 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
8365 * c-common.c (decl_attributes): Issue an error if the argument
8366 to alias is not a string.
8368 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
8370 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
8371 pending memory flush list.
8373 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
8375 (try_combine): Allow combining insns with REG_LIBCALL notes.
8377 * expr.c (emit_block_move): Do not call memcpy as a libcall
8378 instead build up a CALL_EXPR and call it like any other
8380 (clear_storage): Similarly for memset.
8382 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
8385 * Makefile.in (cplus-dem.o): Provide explicit rules for building
8388 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
8389 and REG_LIVE_LENGTH as successful substitutions are made.
8391 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8393 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
8394 statement after end of loop label.
8396 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8398 * config/sparc/sparc.c (ultra_types_avail): New variable.
8399 (ultra_build_types_avail): New function to record mask of insn
8400 types in ready list at this cycle.
8401 (ultrasparc_sched_reorder): Call it.
8402 (ultra_find_type): Use it to quicken the search. Also simplif
8403 dependency check, don't use rtx_equal_p because we know exactly
8404 what we are looking for.
8406 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
8408 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
8409 for architecture v4.
8411 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8413 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
8415 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
8416 movdf_const_intreg and helper splits): New patterns to move float
8417 constants into integer registers.
8418 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
8421 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
8424 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
8426 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
8428 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
8429 a BASE_REGS register is needed as an intermediate when copying
8430 a symbolic value into any register class other than BASE_REGS.
8432 * expr.c (move_by_pieces): No longer static. Remove prototype.
8433 * rtl.h (move_by_pieces): Add extern prototype.
8434 * mips.c (expand_block_move): Handle aligned straight line copy by
8435 calling move_by_pieces.
8437 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
8440 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
8442 * stmt.c (expand_end_loop): Tidy. Allow unconditional
8443 jumps out of the loop to be treated as part of the exit test.
8445 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8446 Jeff Law <law@cygnus.com>
8448 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
8449 * cplus-dem.c: Delete.
8451 * Makefile.in (fold-const.o): depend on $(RTL_H).
8453 * fold-const.c: Include rtl.h to get the prototype for
8454 `set_identifier_local_value'.
8456 * loop.c (express_from_1): Remove unused variable `tmp'.
8457 (combine_givs): cast the first argument of bzero to char *.
8459 * toplev.c (display_help): Remove unused variable `looking_for_start'.
8461 * c-decl.c (init_decl_processing): Remove unneeded &.
8463 * alpha.h (alpha_initialize_trampoline): Provide prototype.
8465 * except.c (set_exception_lang_code, set_exception_version_code):
8466 Change parameter from `short' to `int' to avoid using a gcc
8469 * except.h (set_exception_lang_code, set_exception_version_code):
8470 Likewise for prototypes.
8472 * flow.c (count_reg_references): Remove unused variables `regno'
8475 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
8477 * prefix.c (translate_name): Cast the result of `alloca'.
8479 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
8481 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8483 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
8485 (valid_dbcc_comparison_p): Mark mode argument as unused.
8486 (symbolic_operand): Likewise.
8487 (legitimize_pic_address): Likewise.
8488 (const_uint32_operand): Likewise.
8489 (const_sint32_operand): Likewise.
8490 * sched.c [!INSN_SCHEDULING]: Define only dummy function
8491 schedule_insns and comment out rest of file.
8493 * m68k.c (output_move_simode_const): Use subl to move a zero into an
8495 (output_move_[hq]imode): Likewise.
8497 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
8499 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
8500 * invoke.texi: Corresponding changes.
8502 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
8504 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
8506 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8508 * config/sparc/sparc.c (ultra_code_from_mask,
8509 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
8510 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
8511 ultrasparc_sched_init, ultrasparc_variable_issue,
8512 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
8513 functions to describe UltraSPARC pipeline exactly to Haifa.
8514 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
8515 as there is nothing the scheduler can do about it. Indicate that
8516 REG_DEP_OUTPUT's collide. Fixup formatting.
8517 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
8518 divide costs on Ultra for DImode.
8519 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
8521 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
8522 ieuN and add call_no_delay_slot to type list.
8523 (cti function unit): New unit for branches on UltraSPARC.
8524 (subx/addx insns): Set type to misc.
8525 (sidi zero/sign extension insns on arch64): Set type to shift.
8526 (sign_extendhidi2_insn): Set type to sload.
8528 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
8530 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
8531 (output_epilog): Use if != 0 for offset.
8532 (rs6000_fatal_bad_address): Prepare for Intl.
8533 * rs6000.h (rs6000_fatal_bad_address): Declare.
8534 * rs6000.md (movsfcc, movdfcc): Use else if.
8535 (elf_high): Use {liu|lis}.
8536 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
8537 (movsi): Use rs6000_fatal_bad_address.
8539 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
8541 * reload.c (find_equiv_reg): Reject equivalences separated
8542 by a volatile instruction.
8544 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8546 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
8548 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
8550 * alpha.md (movsicc): Fix mode mismatch.
8552 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
8554 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
8556 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
8558 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8560 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
8561 write-only modifier from operand 1 constraint.
8563 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8565 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
8566 emitting a XOR of -1 at the end, emit a NOT instead for combine's
8568 (sparc_emit_set_const64): Likewise, also when computing trailing
8569 bits do not negate low_bits and make fast_int an int.
8571 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
8573 * loop.c (add_label_notes): Do not ignore references to labels
8574 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
8575 * gcse.c (add_label_notes): Similarly.
8577 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
8579 * m68k.md (adddi_dilshr32): One of the operands must be a register.
8580 (adddi_dishl32): Similarly.
8582 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
8584 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
8585 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
8586 * cse.c (cse_basic_block): Add parens to shut up warnings.
8588 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8590 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
8591 sparc_emit_set_const64_longway, const64_is_2insns,
8592 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
8593 in 64-bit constant formation.
8594 * config/sparc/sparc.md (snesi_zero_extend split): Generate
8595 rtl for addx not subx.
8596 (define_insn movdi_const64_special): Make available even when
8597 HOST_BITS_PER_WIDE_INT is not 64.
8598 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
8599 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
8600 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
8601 instances of operand 1 inside a QI subreg.
8602 (xordi3_sp64_dbl): Remove '%' constraint for op1.
8603 (one_cmpldi2_sp64): Fix output string.
8604 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
8606 (unnamed arch64 ashift DI): Truncate shift count if greater than
8609 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8611 * expr.c (store_expr): Don't optimize away load-store pair
8612 when either source or destination have a side effect.
8614 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
8616 * genrecog.c (add_to_sequence): Fatal error if the modes of the
8617 operands of SET are incompatible.
8619 * alpha.md: Fix max and min patterns so modes of SET operands match.
8621 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
8623 * configure.in: Avoid [[ by using test and changequote.
8624 * configure: Rebuild.
8626 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8628 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
8630 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
8631 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
8632 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
8633 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
8634 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
8635 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
8636 Fix mismatching modes in SET operands.
8637 (conditional move patterns): Fix formatting.
8638 (unnamed subx arch64 pattern): Remove duplicate insn.
8640 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8642 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8643 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
8644 (input_operand): Fixup test for what we accept for constant
8646 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
8648 (safe_constDI): Remove.
8649 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
8650 gen_safe_XOR64): New functions.
8651 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
8652 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
8654 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
8655 available when HOST_BITS_PER_WIDE_INT is not 64.
8656 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
8657 move before movdi_insn_sp64 pattern.
8658 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
8659 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
8660 symbolic_operand as predicate for second operand.
8661 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
8662 expander): Give set VOIDmode.
8664 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
8666 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
8668 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
8670 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
8672 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
8674 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
8676 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
8678 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
8680 * install.texi: Various SCO OpenServer tweaks.
8682 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
8684 * reload1.c (eliminate_regs_in_insn): Handle another case when
8685 eliminating the frame pointer to the hard frame pointer. Add
8686 missing ep->to_rtx check to one existing case.
8688 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
8690 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8692 * tree.h: De-conditionalize init_priority code.
8694 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
8695 * collect2.c (NM_FLAGS): Change from -p to -n.
8697 * configure.in: Turn on collect2 for mipstx39-elf.
8698 Handle use_collect2=no properly.
8700 * c-common.c: De-conditionalize init_priority code.
8701 * collect2.c (extract_init_priority, sort_ids): New fns.
8702 (main): Call sort_ids.
8703 Move sequence_number to file scope.
8705 * configure.in: Handle --enable-init-priority.
8706 * c-common.c (attrs): Add A_INIT_PRIORITY.
8707 (init_attributes, decl_attributes): Likewise.
8708 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
8709 * tree.c (get_file_function_name_long): Split out...
8710 (get_file_function_name): ...from here.
8712 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
8714 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
8717 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
8719 * toplev.c (display_help): Add braces to shut up warnings.
8720 * tree.c (simple_cst_equal): Likewise.
8722 * fold-const.c (non_lvalue): Don't deal with null pointer
8724 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8726 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
8727 of any size to a pointer.
8729 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
8731 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
8733 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
8735 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
8736 which will be saved.
8737 * mn10300.md (prologue insn): Only save registers which need saving.
8738 (epilogue insn): Similarly.
8740 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
8743 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
8745 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
8746 VAR_DECL's in gp addressable sections.
8748 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
8750 * sparc.c: Change return <exp> to <exp>; return; in functions
8752 * sparc.md: Add empty semicolon statement after final label in
8755 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8757 * config/sparc/sparc.md (define_insn addx_extend): Rename to
8758 addx_extend_sp64, only allow when TARGET_ARCH64.
8759 (define_insn addx_extend_sp32 and split): Version that works when
8761 (define_insn subx_extend): Likewise.
8762 (define_split adddi3 and subdi3 with zero extension): Fixup and
8763 correct bugs when not TARGET_ARCH64.
8765 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
8767 * except.c (set_exception_lang_code, set_exception_version_code):
8768 Use prototype-style definition if __STDC__, to match declaration
8771 * genemit.c: Change FAIL and DONE macros not to use loops.
8773 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
8775 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
8776 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
8778 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
8780 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
8782 * README.g77: Update from Craig.
8784 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8786 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
8788 (safe_constDI sparc_emit_set_const64_quick1,
8789 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8790 analyze_64bit_constant, const64_is_2insns,
8791 create_simple_focus_bits): Fix some bugs when compiled on real
8793 (function_arg_record_value_3, function_arg_record_value_2,
8794 function_arg_record_value): Add fully prototyped forward decls.
8795 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
8796 to cmpsi_insn and use on both 64 and 32 bit targets.
8797 (define_insn cmpsi_insn_sp64): Remove.
8798 (define_expand zero_extendsidi2): Allow for 32-bit target too.
8799 (define_insn zero_extendsidi2_insn): Rename to
8800 zero_extendsidi2_insn_sp64.
8801 (define_insn zero_extendsidi2_insn_sp32): New pattern and
8802 assosciated forced split for it.
8804 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8806 * config/sparc/sparc.h: Declare them.
8807 (PREDICATE_CODES): Add them.
8808 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
8809 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
8811 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
8813 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
8814 in v9 case as the latter makes the Solaris assembler crash.
8816 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8818 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
8819 for TFmode when !v9. We require offsettable memory addresses.
8820 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
8821 DFmode register number conversions.
8822 * config/sparc/sparc.md (define_split DFmode moves): If register
8823 is a SUBREG do alter_subreg on it before using.
8824 (define_expand movtf): Fixup comment about alignment on v9.
8825 (define_split TFmode moves): Don't use gen_{high,low}part, create
8826 explicit SUBREGs instead.
8828 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
8830 * Makefile.in (mbchar.o): Depend on mbchar.c.
8832 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8833 Richard Henderson <rth@cygnus.com>
8835 Rewrite Sparc backend for better code generation and
8836 improved sparc64 support.
8837 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
8839 * config/sparc/sysv4.h: Likewise.
8840 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
8841 move_operand, v8plus_regcmp_op, emit_move_sequence,
8842 singlemove_string, doublemove_string, mem_aligned_8,
8843 output_move_double, output_move_quad, output_fp_move_double,
8844 move_quad_direction, output_fp_move_quad, output_scc_insn):
8846 (small_int_or_double): New predicate.
8847 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8848 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8849 old pic_{sethi,lo_sum}_si patterns.
8850 (mem_min_alignment): New generic function to replace
8851 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8852 available and can test for arbitrary alignments. All callers
8854 (save_regs, restore_regs, build_big_number,
8855 output_function_prologue, output_cbranch, output_return,
8856 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8857 sparc_flat_output_function_epilogue): Prettify
8859 (output_function_epilogue): Likewise and add code to output
8860 deferred case vectors.
8861 (output_v9branch): Likewise, add new arg INSN and use it to tack
8862 on branch prediction settings. All callers changed.
8863 (print_operand): Likewise and output %l44 for LO_SUMs when
8865 (sparc_splitdi_legitimate): New function to make sure DImode
8866 splits can be run properly when !arch64.
8867 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8868 Reformat example code in comments.
8869 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8870 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8871 of deferred case vectors we need to output.
8872 (sparc_defer_case_vector): Record a case vector.
8873 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8874 sparc_output_deferred_case_vectors): New functions to output them.
8875 (sparc_emit_set_const32): New function to form 32-bit constants in
8876 registers when that requires more than one instruction.
8877 (safe_constDI, sparc_emit_set_const64_quick1,
8878 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8879 analyze_64bit_constant, const64_is_2insns,
8880 create_simple_focus_bits, sparc_emit_set_const64): New functions
8881 which do the same for 64-bit constants when arch64.
8882 (sparc_emit_set_symbolic_const64): New function to emit address
8883 loading for all code models on v9.
8884 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8885 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8886 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8887 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8888 inaccuracies in comments, add symbolic and text_segment operands
8889 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8890 GENERAL_REGS in these cases as a temp REG is needed to load these
8891 addresses into a register properly.
8892 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8894 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8895 quads are guarenteed to have 16-byte alignment.
8896 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8897 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8898 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8899 deferred case vector implementation.
8900 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8901 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8902 Generate "internal label - label" instead of "label - 1b".
8903 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8904 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8905 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8907 (doublemove_string, output_block_move, output_fp_move_double,
8908 output_fp_move_quad, output_move_double, output_move_quad,
8909 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8910 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8911 (sparc_emit_set_const32, sparc_emit_set_const64,
8912 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8913 mem_min_alignment, small_int_or_double): Add externs.
8914 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8915 UNSPEC_VOLATILE in this backend.
8916 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8917 unary to types which execute in it.
8918 (define_function_unit ieu_shift): Rename to ieu0.
8919 (define_function_unit ieu1): New, executes compare, call, and
8920 uncond_branch type insns.
8921 (define_function_units for type fdivs, fdivd, fsqrt): These
8922 execute in the fpu multiply unit not the adder on UltraSparc.
8923 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8924 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8925 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8926 allows the arith_double_operand predicate and rHI constraint when
8928 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8929 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8930 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8931 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8932 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8933 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8934 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8935 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8936 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8937 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8938 sign_extendqihi2_insn, sign_extendqisi2_insn,
8939 sign_extendqidi2_insn, sign_extendhidi2_insn,
8940 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8941 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8942 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8943 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8944 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8945 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8946 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8947 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8948 smulsi3_highpart_v8plus, unnamed subreg mult,
8949 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8950 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8951 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8952 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8953 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8954 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8955 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8956 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8957 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8958 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8959 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8960 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8961 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8962 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8963 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8964 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8965 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8966 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8967 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8968 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8969 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8970 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8971 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8972 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8973 call_address_untyped_struct_value_sp32,
8974 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8975 call_value_symbolic_sp32, call_value_address_sp64,
8976 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8977 flush_register_windows, goto_handler_and_restore,
8978 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8979 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8980 return_addsi, return_di, return_adddi, return_sf, all call+jump
8981 peepholes, trap, unnamed trap insns): Prettify output strings.
8982 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8983 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8984 Likewise and force + implement splits for integer cases.
8985 (define_insn return_sf_no_fpu): Likewise and allow to match when
8986 no-fpu because of our subreg SFmode splits.
8987 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8988 zero_extendqidi2_insn, zero_extendhidi2_insn,
8989 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8990 input_operand for second operand.
8991 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8992 reg_or_0_operand for operand 2 so new splits can use it.
8993 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8994 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8996 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8997 CONST_DOUBLEs for operand 2.
8998 (define_insn move_label_di): Likewise and label distance
8999 optimization because it no longer works with new deferred case
9000 vector scheme. To be revisited.
9001 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
9002 and allow reg_or_0_operand and J constraint for second operand.
9003 (define_insn jump): Set branch predict taken on V9.
9004 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
9005 new deferred case vector scheme.
9006 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
9007 (define_insn negdi2_sp32): Force + implement splits.
9008 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
9009 one_cmplsi2_not_liveg0 respectively, and create expander of original
9010 names which emit special rtl for TARGET_LIVE_G0.
9011 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
9012 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
9013 gen_compare_reg, FAIL instead.
9014 (define_insn sgtu, sleu): Likewise and check gen_s*() return
9015 values when trying to reverse condition codes, if they FAIL then
9017 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
9018 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
9019 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
9020 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
9021 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
9022 set output string to # to indicate they are mandatory splits.
9023 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
9024 pic_sethi_di, move_pic_label_si): Remove.
9025 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
9026 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
9028 (define_expand movsi_pic_label_ref, define_insn
9029 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
9030 expander and insns to handle PIC label references and deferred
9032 (define_insn get_pc_via_rdpc): Comment out as it is no longer
9034 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
9035 Rewrite to not use emit_move_sequence, make use of new constant
9036 formation code, and new splits for all multi-insn cases.
9037 (define_insn movqi_insn): Remove sethi case, it can never happen.
9038 Use reg_or_zero_operand instead of const0_rtx explicit test,
9039 use input_operand instead of move_operand for source, and use
9040 general_operand now for dest.
9041 (define_insn movhi_insn): Similar but leave sethi case.
9042 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
9043 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
9044 movhi_lo_sum respectively, prettify output string.
9045 (define_insn movsi_zero_liveg0): New pattern to put zero into a
9046 register when needed on TARGET_LIVE_G0.
9047 (define_insn movsi_insn): Use general_operand and input_operand
9048 for dest and src respectively. Simplify applicability test.
9049 Prettify output strings, and add clr alternative for J
9051 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
9052 deprecated std and reg-reg DI moves): Remove and...
9053 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
9054 implementation which uses forced splits for all non-single insn
9056 (define_split DI move cases on !arch64): New splits to handle all
9057 situations of 64-bit double register DImode on 32bit, and
9058 unaligned registers and memory addresses for all subtargets.
9059 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
9061 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
9062 input_operand for dest and src respectively, prettify output
9064 (define_insn movdf_insn, movdf_no_e_insn, store_df,
9065 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
9067 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
9068 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
9069 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
9070 movtf_no_e_insn_sp64) Replace with new
9071 implementation which uses forced splits for all non-single insn
9073 (define_split DF move cases): New splits in similar vein to DI
9075 (define_insn sethi_di_medlow, sethi_di_medium_pic,
9076 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
9077 movdi_sp64_insn): Remove old v9 code model and constant loading
9079 (define_insn pic_lo_sum_di, pic_sethi_di,
9080 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
9081 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
9082 embmedany_sethi, embmedany_losum, embmedany_brsum,
9083 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
9084 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
9085 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
9086 scheme, using unspecs, secondary reloads, and one to one sparc
9087 insn to rtl insn mapping for better scheduling and code gen.
9088 (define_expand reload_indi, reload_outdi): Reload helpers for
9089 MEDANY and EMBMEDANY symbol address loading cases which require a
9091 (define_expand movsicc): Remove v8plus_regcmp cases.
9092 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
9093 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
9094 cmp_diqi_trunc_set): New patterns used by some of the new scc
9096 (define_insn xordi3_sp64_dbl): New pattern used for constant
9097 formation when crossing from 32-bit targets.
9098 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
9100 (define_insn addx, subx): Make visible and prettify.
9101 (define_insn adddi3_insn_sp32): Likewise and force split.
9102 (define_insn addx_extend, subx_extend, unnamed): New patterns for
9103 64bit scc split usage.
9104 (define_insn unnamed plusDI zero_extend, unnamed minusDI
9105 zero_extend, subdi3): Force and implement splits.
9107 * final.c (final_scan_insn): Don't output labels if target
9108 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
9111 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
9112 don't forget to walk inside SEQUENCESs too as these are what the
9113 delay slot scheduler will create.
9115 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
9117 * alpha.md (extxl+1,+2): New patterns to work around
9120 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
9122 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
9123 caused bad assembly code to be generated.
9125 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
9127 * netbsd.h: Fix typo.
9129 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
9131 * config.sub: Fix typo.
9133 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
9135 * invoke.texi (Environment Variables): Typo: Change "ascpects"
9137 (Running Protoize): Typo: Change "ther" into "other".
9139 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
9141 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
9142 * m68k/netbsd.h: Likewise.
9143 * ns32k/netbsd.h: Likewise.
9144 * sparc/netbsd.h: Likewise.
9146 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
9148 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
9149 * ginclude/va-clipper.h (va_list): Likewise.
9151 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
9153 * rs6000.c (rs6000_override_options): If big endian and -Os, use
9154 load/store multiple instructions unless user overrides.
9156 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
9158 * ns32k/netbsd.h: Fix typo.
9160 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
9162 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
9163 labels with .debugsym if no parallel insns.
9165 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
9167 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
9168 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
9170 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
9172 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
9173 (AR_FOR_TARGET): Define.
9175 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
9177 * dyn-string.h: New file.
9178 * dyn-string.c: Likewise.
9179 * Makefile.in (OBJS): Add dyn-string.o.
9180 (dwarf2out.o): Add dyn-string.h dependency.
9181 (dyn-string.o): List dependencies.
9182 * dwarf2out.c: Include dyn-string.h.
9183 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
9184 (addr_const_to_string): Take a dyn_string_t, not a char* as a
9185 prototype. Use dyn_string_append rather than strcat, throughout.
9186 (addr_to_string): Use dyn_string_t.
9188 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
9190 Function entry/exit profiling instrumentation:
9191 * expr.h (profile_function_entry_libfunc,
9192 profile_function_exit_libfunc): Declare new variables.
9193 * optabs.c: Define them here.
9194 (init_optabs): Initialize them.
9195 * tree.h (struct tree_decl): New flag
9196 no_instrument_function_entry_exit.
9197 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
9198 * c-decl.c (duplicate_decls): Merge it.
9199 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
9200 (init_attributes): Use it for "no_instrument_function".
9201 (decl_attributes): Handle it, for functions that have not yet been
9202 compiled. Set decl flag.
9203 * flags.h (flag_instrument_function_entry_exit): Declare new
9205 * toplev.c (flag_instrument_function_entry_exit): Define it here.
9206 (f_options): New option "instrument-functions".
9207 * function.h (struct function): New field instrument_entry_exit.
9208 * function.c (current_function_instrument_entry_exit): New
9210 (push_function_context_to, pop_function_context_from): Save and
9212 (expand_function_start): Set current_ variable, maybe emit return
9213 label and entry profile call.
9214 (expand_function_end): Maybe emit exit profile call.
9216 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
9218 * i386.md (movqi): When optimizing a load of (const_int 1) into a
9219 NON_QI_REG_P, pretend the register is SImode.
9221 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
9223 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
9224 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
9225 manufacturer id for ns32k.
9226 * configure: Regenerated.
9227 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
9228 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
9229 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
9230 * config/m68k/netbsd.h: Same.
9231 * config/ns32k/netbsd.h: Same.
9232 * config/sparc/netbsd.h: Same.
9234 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
9236 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
9237 or UNROLL_COMPLETELY loop that starts with a jump to its
9240 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
9242 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
9243 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
9244 (print_operand, case 'B'): Don't fall through.
9245 (print_operand, case 'S'): Correct mask begin/end computation.
9246 Use HOST_BITS_PER_WIDE_INT.
9247 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
9248 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
9249 * rs6000/aix41.h (CPP_PREDEFINES): Same.
9250 * rs6000/aix43.h (CPP_PREDEFINES): Same.
9252 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
9254 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
9255 constraint from second alternative.
9257 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
9259 * configure.in: Fix --without/--disable cases for local-prefix,
9260 gxx-include-dir and checking.
9262 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9264 * configure.in (enable_haifa): Set by default for sparc64 too.
9267 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
9269 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
9270 * i386/winnt.c (associated_type): New fn.
9271 (i386_pe_valid_type_attribute_p): New fn.
9272 (i386_pe_check_vtable_importexport): Remove.
9273 (i386_pe_dllexport_p): Use associated_type.
9274 (i386_pe_dllimport_p): Likewise.
9276 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
9277 * i386.c (i386_valid_type_attribute_p): Also accept
9278 attributes for METHOD_TYPEs.
9280 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
9282 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
9284 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
9286 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
9288 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
9289 them from generating a new base name for each occurence of
9292 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
9294 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
9296 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
9300 * cplus-dem.c (type_kind_t): New type.
9301 (demangle_template_value_parm): Add type_kind_t parameter. Rely
9302 on this paramter, rather than demangling the type again.
9303 (demangle_integral_value): Pass tk_integral.
9304 (demangle_template_: Pass the value returned from do_type.
9305 (do_type): Return a type_kind_t. Pass tk_integral to
9306 demangle_template_value_parm for array bounds.
9307 (demangle_fund_type): Likewise.
9309 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
9311 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
9314 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
9316 * pa.c (move_operand): Accept CONSTANT_P_RTX.
9318 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
9320 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
9322 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
9325 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
9327 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
9328 (DEBUGGER_ARG_OFFSET): Likewise.
9330 * mn10300.md (movsf): Remove last change. Not needed.
9332 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
9334 * c-lex.c (yylex): Fix boundary conditions in character literal and
9335 string literal loops.
9337 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
9339 * longlong.h (count_leading_zeros): Sparclite scan instruction was
9340 being invoked incorrectly.
9342 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
9343 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
9345 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
9346 * configure.in: Added i[34567]86-*-win32
9347 * config.sub: Ditto.
9348 * configure: Rebuilt.
9350 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
9352 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
9353 the frame pointer and compiling PIC code and reload has not completed.
9355 * i386.c (output_to_reg): Add code to emulate non-popping DImode
9358 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
9360 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
9362 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9364 * Makefile.in (install-info): Only try to update the info
9365 directory file if it exists in the first place.
9367 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
9369 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
9371 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
9373 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
9374 CONST_DOUBLE source.
9376 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
9378 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
9379 strings as the insertion of USER_LABEL_PREFIX.
9380 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
9382 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
9385 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
9387 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
9388 already defined type.
9390 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
9392 * expr.c (check_max_integer_computation_mode): Allow conversions
9393 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
9394 (expand_expr): Likewise.
9396 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9398 * expr.c (expand_expr): Expand RETURN_EXPR.
9400 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
9402 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
9404 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
9406 * dwarf2out.c (output_aranges): Call stripattributes
9407 for TEXT_SECTION references.
9408 (output_line_info): Likewise.
9410 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9412 * profile.c (branch_prob): Call allocate_reg_info after outputting
9413 profile rtl in instrument_arcs.
9415 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
9417 * fixinc.irix (math.h): Install wrapper instead of copying.
9419 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9421 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
9422 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
9423 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
9424 lang_flag_0. Added documentation in the flag table.
9426 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
9428 * cccp.c (do_include): Fix vax c style include handling.
9430 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
9432 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
9434 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
9436 * fold-const.c (non_lvalue): Don't deal with null pointer
9438 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
9440 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
9442 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
9443 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
9444 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
9445 (u_short_cint_operand): Same.
9446 (reg_or_cint_operand): Same.
9447 (logical_operand): Same.
9448 (input_operand): Same.
9449 (reg_or_short_operand): Use u_short_cint_operand.
9451 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
9453 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
9454 but keep the insns and splits. Adjust so when the ultimate destination
9455 is memory, use cvtql.
9457 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
9459 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
9461 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
9463 * gcc.c (do_spec): Call "error" not "warning".
9465 * configure.in: Fix minor problems with gas feature detection code.
9466 * configure: Rebuilt.
9468 * gcc.c (do_spec): Issue a warning for '%[]' usage.
9471 * gcc.c: Delete %[spec] support.
9472 (do_spec_1, case '('): Likewise.
9473 (do_spec_1, case '['): Call error.
9475 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
9477 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
9478 (CPP_SUBTARGET_SPEC): Default to empty string.
9479 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
9480 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
9481 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
9482 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
9484 * alpha/linux.h (CPP_PREDEFINES): Tidy.
9485 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
9486 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
9487 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
9488 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
9489 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
9490 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
9491 * alpha/vxworks.h: Likewise.
9493 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
9495 * mips.md (reload_outsi): Added missing REGNO call.
9496 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
9498 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
9499 another match_operator and compare the codes.
9501 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
9503 * MIPS multiply pattern fixes:
9504 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9505 Add union classes for HI, LO, or HILO plus general registers.
9506 (GENERATE_MADD): Deleted.
9507 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
9508 Add TARGET_MAD to condition.
9509 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
9510 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
9511 "*d" for accumulator, to give preference to LO initially but not
9514 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
9516 * configure.in (enable_c_mbchar): New configure option.
9517 (extra_cpp_objs): Always available now.
9519 * cexp.y (mbchar.h): #include it.
9520 (yylex): Handle Multibyte characters in character literals.
9522 * cccp.c (mbchar.h): #include it.
9523 (main): Set character set based on LANG environment variable.
9524 (rescan): Handle multibyte characters in comments.
9525 (skip_if_group): See above.
9526 (validate_else): See above.
9527 (skip_to_end_of_comment): See above.
9528 (macarg1): See above.
9529 (discard_comments): See above.
9530 (rescan): Handle multibyte characters in string and character literals.
9531 (collect_expansion): See above.
9532 (skip_quoted_string): See above.
9533 (macroexpand): See above.
9534 (macarg1): See above.
9535 (discard_comments): See above.
9536 (change_newlines): See above.
9538 * c-lex.c (mbchar.h): #include it.
9539 (GET_ENVIRONMENT): New macro.
9540 (init_lex): Set character set based on LANG environment variable.
9541 (yylex): Handle multibyte characters in character literals.
9542 (yylex): Handle multibyte characters in string literals.
9544 * Makefile.in (mbchar.o): New target.
9545 (cccp$(exeext)): @extra_cpp_objs@ is always available.
9546 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
9548 * mbchar.[ch]: New files for multibyte character handling.
9550 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9552 * jump.c (jump_optimize): When simplifying noop moves and
9553 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
9554 the PUSHes to rewrite in second loop as we did in the first.
9556 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9558 * cplus-dem.c (demangle_nested_args): Make function definition
9559 static to match the prototype.
9561 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
9563 * alloca.c: Respect USE_C_ALLOCA.
9564 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
9565 * gengenrtl.c (xmalloc): Likewise.
9567 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
9569 * loop.h (struct induction): Add no_const_addval.
9570 * loop.c (the_movables, reg_address_cost): New variables.
9571 (init_loop): Init reg_address_cost.
9572 (loop_optimize): Call end_alias_analysis.
9573 (scan_loop): Init the_movables.
9574 (record_giv): Init induction->no_const_addval.
9575 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
9576 [REG]: Rearrange loop search test to catch more cases.
9577 (general_induction_var): Return success not benefit; take an extra
9578 argument for that. Change all callers.
9579 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
9580 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
9581 [default]: Search the_movables for additional combinations.
9582 (sge_plus_constant, sge_plus): New functions.
9583 (express_from_1): New function.
9584 (express_from): Always define. Rewrite using express_from_1.
9585 (combine_givs_p): Handle more cases. Ignore address cost.
9586 (cmp_combine_givs_stats): New function.
9587 (combine_givs_used_once, combine_givs_benefit_from): New functions.
9588 (combine_givs): Rewrite to do best-fit combination.
9590 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
9591 (fold): Do a complete (A*C)+(B*C) association check.
9593 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
9595 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
9597 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
9599 * mn10300.c (MODES_TIEABLE_P): Fix typo.
9601 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
9603 * tree.c (valid_machine_attribute): Only create a new type variant if
9604 there is a decl to use it.
9606 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
9608 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
9611 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
9613 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
9616 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
9618 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
9619 Simplify tests for clearing an address register.
9620 (expand_prologue): Corresponding changes.
9622 * mn10300.md (movXX patterns): Make sure the destination is an
9623 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
9624 (logical patterns): Split into expanders + patterns
9625 (zero and sign extension patterns): Similarly.
9626 (shift patterns): Similarly.
9628 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
9630 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
9631 for the sequence, recording base values.
9633 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
9635 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
9637 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
9639 * gcc.c: Remove ANSI-C ism from --help code.
9641 * toplev.c: Support --help with USE_CPPLIB.
9643 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
9645 * configure.in: Rework gas feature code to work with symlink based
9648 * extend.texi: Clarify some issues related to local variables
9649 assigned to explicit registers.
9651 * mn10300.md (mulsi): Turn into expander + pattern.
9653 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
9656 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
9658 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
9660 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
9662 * version.c: Bump again to distinguish mainline tree from the
9665 See ChangeLog.0 for earlier changes.
9668 add-log-time-format: current-time-string