1 2001-09-18 Catherine Moore <clm@redhat.com>
3 * config/stormy16 (LIB_SPEC): Remove -lnosys.
5 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
7 * config/mips/mips.c (mips_frame_set): New.
8 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
9 a parallel frame-related expression with a set for each register.
11 2001-09-18 Philip Blundell <philb@gnu.org>
13 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
16 2001-09-17 Dale Johannesen <dalej@apple.com>
18 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
19 * config/rs6000/aix.h (FIXED_R2): Define.
20 * config/rs6000/darwin.h (FIXED_R2): Define.
21 * config/rs6000/sysv4.h (FIXED_R2): Define.
23 2001-09-17 Jeff Sturm <jsturm@one-point.com>
25 * except.c (dw2_build_landing_pads): New local
26 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
27 barrier after clobbers. Fixes c++/4012.
29 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
31 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
33 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
35 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
36 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
38 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
40 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
43 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
45 * cpphash.h (_cpp_lex_direct): New.
46 * cpplex.c (_cpp_lex_token): Update.
47 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
48 and increment that pointer.
49 * cppmacro.c (alloc_expansion_token): New.
50 (lex_expansion_token): Lex macro expansion directly into
53 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
55 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
57 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
59 * basic-block.h (free_bb_for_insn): Declare.
60 * bb-reorder.c (label_for_bb): Use block_label.
61 (emit_jump_to_block_after): Remove.
62 (insert_intra_1): Do not update block_for_insn.
63 (insert_inter_bb_scope_notes): Likewise; update bb->end
64 * cfg.c (free_bb_for_insn): New.
65 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
66 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
67 (commit_one_edge_insertion): Likewise.
68 (commit_one_edge_insertion): Do not update BB boundary.
69 (commit_edge_insertions): Do not call compute_bb_for_insn.
70 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
71 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
72 (merge_blocks_move_successor_nojumps): Likewise.
73 (try_crossjump_to_edge): Do not update block_for_insn.
74 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
75 * df.c (df_pattern_emit_later): Do not update BB boundary.
76 (df_jump_pattern_emit_after): Likewise.
77 (df_insn_move_before): Use emit_insn_before.
78 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
80 (add_insn_after, add_insn_before, emit_insns_after): Update BB
81 boundaries and basic_block_for_insn.
82 (reorder_insns_nobb): Rename from reorder_insns.
84 (emit_block_insn_before, emit_block_insn_after): Kill.
85 * flow.c (check_function_return_warnings): Do not call
86 compute_bb_for_insn; Do not free basic_block_for_insn.
87 (attempt_auto_inc): Do not update basic_block_for_insn.
88 * function.c (emit_return_into_block): Likewise;
89 do not update BB boundaries.
90 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
91 (insert_insn_end_bb): Use emit_insn_before; Likewise.
92 (pre_insert_copy_insn): Likewise.
93 (update_ld_motion_notes): Likewise.
94 (insert_insn_start_bb): Likewise.
95 (replace_store_insn): Likewise.
96 * ifcvt.c (noce_process_if_block): Likewise.
97 (if_convert): Do not call compute_bb_for_insn.
98 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
99 Use emit_insn_before and emit_insn_after.
100 * recog.c (split_all_insns): Do not update BB boundaries;
101 Do not call compute_bb_for_insn.
102 (peephole2_optimize): Do not update BB boundaries.
103 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
105 (emit_swap_insn): Likewise.
106 (convert_regs_1): Likewise.
107 * reload1.c (reload): Call compute_bb_for_insn.
108 * rtl.h (reorder_insns_nobb): Declare.
109 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
110 * toplev.c (rest_of_compilation): Call free_bb_for_insn
111 at places CFG is invalidated; do not call compute_bb_for_insn.
113 * cfg.c (expunge_block): Invalidate BB structure.
115 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
118 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
120 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
122 * cpphash.h (_cpp_lex_token): Update prototype.
123 * cpplex.c (_cpp_lex_token): New prototype.
124 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
125 lex_macro_node, read_flag, do_pragma_poison): Update.
126 * cppmacro.c (cpp_get_token, parse_params,
127 lex_expansion_token): Update.
129 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
131 * cppmain.c (scan_translation_unit): Don't worry about
132 putting a space after hashes.
133 * cpplib.c (directive_diagnostics): New.
134 (_cpp_handle_directive): Update to use directive_diagnostics.
135 (run_directive): Don't toggle prevent_expansion.
136 (do_line): Backup in case of the line extension.
137 * cpplib.h (cpp_lexer_pos): Remove.
138 * cppmacro.c (_cpp_create_definition): Precede a leading #
141 2001-09-15 Richard Henderson <rth@redhat.com>
143 * c-typeck.c (comptypes): Handle zero-length arrays properly.
145 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
147 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
149 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
152 * tradcpp.c (handle_directive): Skip non-vertical space.
154 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
156 * cppmain.c (setup_callbacks): Set line callback only
157 if outputting preprocessed source.
159 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
161 * collect2.c (main): Const-ification.
162 * gcc.c (translate_options, process_command): Use xstrdup in
163 lieu of xmalloc/strcpy.
164 (main): Use concat in lieu of xmalloc/strcpy/strcat.
166 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
168 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
171 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
173 * scan-decls.c (scan_decls): Fix typo.
175 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
177 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
178 Split mlstring_pos into mls_line and mls_col.
179 * cppinit.c (cpp_create_reader): Initialize line to 1.
180 (cpp_destroy): Free tokenruns.
181 (push_include): Don't update lexer_pos.
182 * cpplex.c (unterminated, parse_string): Update.
183 (lex_token): Don't update lexer_pos, update.
184 * cpplib.c (if_stack): Save line instead of line + col.
185 (start_directive, _cpp_do__Pragma, do_else, do_elif,
186 push_conditional, _cpp_pop_buffer): Update.
187 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
188 (_cpp_create_definition): Update.
190 2001-09-15 Eric Christopher <echristo@redhat.com>
192 * config/mips/abi64.h: Add support for MEABI.
194 2001-09-15 Eric Christopher <echristo@redhat.com>
196 * config/mips/mips.md: Add unspec #2.
198 (reload_outdi): Ditto.
199 (reload_outsi): Ditto.
202 2001-09-15 Eric Christopher <echristo@redhat.com>
203 Jason Eckhardt <jle@redhat.com>
205 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
206 * config/mips/isa32-linux.h: New file.
207 * config/mips/isa3264.h: Ditto.
208 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
209 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
210 (output_block_mode): Support MEABI.
211 (function_arg): Ditto. Fix floating point arg passing.
212 (mips_va_start): Ditto.
213 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
215 (mips_asm_file_start): Add new section to pass abi to gdb.
216 (function_arg_pass_by_reference): Support MEABI.
217 (mips_parse_cpu): Support mips32 and mips64 processors.
218 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
219 TARGET_MIPS5KC. Support isa32 and isa64.
220 (processor_type): Add r4kc, r5kc, r20kc.
221 (GENERATE_MULT3_SI): New.
222 (GENERATE_MULT3_DI): Ditto.
223 (GENERATE_MULT3): Remove.
224 (ISA_HAS_64BIT_REGS): Add isa == 64.
225 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
226 (ISA_HAS_MADD_MSUB): New.
227 (ISA_HAS_CLZ_CLO): Ditto.
228 (ISA_HAS_DCLZ_DCLO): Ditto.
229 (ABI_GAS_ASM_SPEC): New.
230 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
233 (SUBTARGET_CC1_SPEC): Ditto.
234 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
235 (PAD_VARARGS_DOWN): Support MEABI.
236 (HARD_REGNO_NREGS): Move to mips.c.
237 (ASM_OUTPUT_IDENT): Add #undef.
238 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
239 (mulsi3): Use GENERATE_MULT3_SI.
240 (mulsi3_mult3): Ditto. Support mips32, mips64.
241 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
242 (mul_sub_si): New pattern.
243 (unnamed splitters): New.
244 (muldi3): Use GENERATE_MULT3_DI.
245 (muldi3_internal2): Ditto.
246 (movdicc): Support mips32.
247 * config/mips/t-isa3264: New file.
249 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
251 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
252 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
253 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
255 * reorg.c (fill_slots_from_thread): After call to
256 steal_delay_list_from_target, update own_thread as new_thread may
259 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
261 * cpperror.c (print_location): Take line and column, for
262 default positioning use the previously lexed token.
263 (_cpp_begin_message): Take line and column.
264 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
265 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
266 * cpphash.h (_cpp_begin_message): Update prototype.
267 * cppinit.c (push_include): Don't set output line.
268 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
269 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
270 (do_pragma): Kludge for front ends. Don't expand macros at all.
271 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
272 (struct cpp_token): Remove output_line.
273 (struct cpp_callbacks): New member line_change.
274 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
275 cpp_get_token): Preserve BOL flag.
276 (cpp_get_line): Remove.
277 (_cpp_backup_tokens): Remove useless abort().
278 * cppmain.c (cb_line_change): New.
279 (scan_translation_unit): Don't worry about starting new lines here.
280 * scan-decls.c (scan_decls): Update.
281 * c-lex.c (c_lex, init_c_lex): Update.
282 (cb_line_change, src_lineno): New.
284 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
286 * tree.c (append_random_chars): Generate the random
287 characters in a reproducable fashion.
289 2001-09-14 Richard Henderson <rth@redhat.com>
291 * config/i386/i386.c (internal_label_prefix): New.
292 (internal_label_prefix_len): New.
293 (override_options): Set them.
294 (local_symbolic_operand): New.
295 (legitimate_pic_address_disp_p): Use it.
296 (legitimize_pic_address): Likewise.
298 2001-09-14 Marc Espie <espie@openbsd.org>
300 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
303 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
305 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
306 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
308 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
310 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
311 invocation of SUBREG_REGNO_OFFSET.
313 * haifa-sched.c: Fix typo in FSF copyright statement.
314 * sched-deps.c: Fix typo in FSF copyright statement.
315 * sched-ebb.c: Fix typo in FSF copyright statement.
316 * sched-rgn.c: Fix typo in FSF copyright statement.
317 * sched-vis.c: Fix typo in FSF copyright statement.
319 * config.gcc: Move inclusion of arm elf specific header files
320 from the files themselves into the tm_file variable. Make
321 sure that elfos.h is included before target specific elf
323 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
325 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
326 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
327 ASM_OUTPUT_CASE_LABEL): Protect definition.
328 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
330 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
331 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
332 Remove duplicate definition.
333 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
334 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
335 (RDATA_SECTION_FUNCTION): Remove redundant definition.
336 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
337 Remove inclusion of arm/elf.h.
338 * config/arm/unknown-elf.h: as for conix-elf.h.
339 (STARTFILE_SPEC): Include crti.o and crtn.o.
340 * config/arm/linux-elf.h: as for conix-elf.h.
341 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
342 * config/arm/strongarm-elf.h: Remove inclusion of
344 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
345 * config/arm/unknown-elf-oabi.h: Remove inclusion of
346 unknown-elf.h and elf.h.
347 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
348 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
349 ASM_WEAKEN_LABEL): Remove redundant definition.
350 * config/arm/elf.h: Test for inclusion of elfos.h
351 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
352 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
353 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
354 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
355 redundant definition.
356 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
357 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
358 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
359 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
360 Add rules to build crti.o and crtn.o
361 * crti.asm: New file.
362 * crtn.asm: New file.
364 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
366 * c-parse.in (_yylex): Use _cpp_backup_tokens.
367 * cpphash.h (struct tokenrun): Add prev.
368 (struct lexer_state): Remove bol.
369 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
370 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
372 * cppinit.c (cpp_create_reader): Don't set bol.
373 (cpp_destroy): Don't free lookaheads.
374 * cpplex.c (lex_directive): Remove.
375 (next_tokenrun): Update.
376 (_cpp_lex_token): Clean up logic.
377 (lex_token): Update to return a pointer to lexed token, since it
378 can move to the start of the buffer. Simpify newline handling.
379 * cpplib.c (SEEN_EOL): Update.
380 (skip_rest_of_line): Remove lookahead stuff.
381 (end_directive): Line numbers are already incremented. Revert
382 to start of lexed token buffer if we can.
383 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
384 parse_answer): Use _cpp_backup_tokens.
385 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
386 instead. Don't check for EOL.
387 (do_include_common, do_line, do_pragma_system_header): Use
389 * cpplib.h (BOL, _cpp_backup_tokens): New.
390 * cppmacro.c (save_lookahead_token, take_lookahead_token,
391 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
392 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
393 (builtin_macro): Don't use cpp_get_line.
394 (cpp_get_line): Short term kludge.
395 (parse_arg): Handle directives in arguments here. Back up when
396 appropriate. Store EOF at end of argument list.
397 (funlike_invocation_p): Use _cpp_backup_tokens.
398 (push_arg_context): Account for EOF at end of list.
399 (cpp_get_token): Remove lookahead stuff. Update.
401 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
403 * c-parse.in (yyerror): Const-ification and/or static-ization.
404 * c-typeck.c (push_member_name): Likewise.
405 * collect2.c (main): Likewise.
406 * dbxout.c (dbxout_parms): Likewise.
407 * diagnostic.c (format_with_decl): Likewise.
408 * dwarf2out.c (output_ranges): Likewise.
409 * dwarfout.c (fundamental_type_code): Likewise.
410 * except.c (dw2_output_call_site_table): Likewise.
411 * gcc.c (do_spec_1): Likewise.
412 * genopinit.c (optabs): Likewise.
413 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
414 gen_declaration_1, handle_impent): Likewise.
415 * protoize.c (default_include, in_system_include_dir, abspath):
417 * sched-vis.c (visualize_stall_cycles): Likewise.
418 * sdbout.c (plain_type_1, sdbout_end_function,
419 sdbout_end_epilogue): Likewise.
420 * varasm.c (decode_reg_name): Likewise.
422 * 1750a.c (mod_regno_adjust): Likewise.
423 * alpha.c (alpha_write_one_linkage,
424 unicosmk_output_default_externs): Likewise.
425 * arm.c (arm_condition_codes): Likewise.
426 * arm.h (arm_condition_codes): Likewise.
427 * avr.c (output_movsisf, encode_section_info): Likewise.
428 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
430 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
431 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
432 * m88k.c (output_function_profiler): Likewise.
433 * mips.c (mips_output_conditional_branch): Likewise.
434 * ns32k.c (ns32k_out_reg_names): Likewise.
435 * ns32k.h (ns32k_out_reg_names): Likewise.
436 * pj.c (pj_output_rval): Likewise.
437 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
438 * sparc.c (sparc_flat_function_prologue,
439 sparc_flat_function_epilogue): Likewise.
441 2001-09-13 Markus Werle <numerical.simulation@web.de>
442 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
444 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
445 Aachen University of Technology".
447 2001-09-13 Andreas Schwab <schwab@suse.de>
449 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
452 2001-09-13 Richard Henderson <rth@redhat.com>
454 * config/alpha/alpha.c (small_symbolic_operand): New.
455 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
456 (some_operand, input_operand): Don't handle HIGH.
457 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
458 (alpha_expand_mov): Likewise.
459 (print_operand) [H]: Just print HIGH symbol.
460 (print_operand_address): Handle small data.
461 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
462 (TARGET_SWITCHES): Add -msmall-data/large-data.
463 (PIC_OFFSET_TABLE_REGNUM): New.
464 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
465 (PREDICATE_COES): Update.
466 * config/alpha/alpha.md (adddi_er_high): New.
467 (adddi_er_low): Handle small data.
468 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
469 prefer .sdata to .rodata.
470 (SELECT_RTX_SECTION): Likewise.
472 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
474 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
475 defining __size_t and leaving size_t undefined.
477 2001-09-12 Diego Novillo <dnovillo@redhat.com>
479 * basic-block.h (expunge_block): Declare.
480 * cfg.c (expunge_block): Remove static declaration.
482 2001-09-12 Richard Henderson <rth@redhat.com>
484 * integrate.c (copy_insn_list): Copy label name from
485 NOTE_INSN_DELETED_LABEL.
487 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
489 * c-common.c (c_tree_code_name): Const-ification.
490 * c-decl.c (c_decode_option): Likewise.
491 * c-typeck.c (warn_for_assignment): Likewise.
492 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
494 * cppinit.c (output_deps): Likewise.
495 * dependence.c (dependence_string, direction_string): Likewise.
496 * dwarf2out.c (output_ranges): Likewise.
497 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
498 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
499 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
500 standard_startfile_prefix, standard_startfile_prefix_1,
501 standard_startfile_prefix_2, tooldir_base_prefix,
502 standard_bindir_prefix, find_a_file): Likewise.
503 * genattrtab.c (make_length_attrs): Likewise.
504 * gencheck.c (tree_codes): Likewise.
505 * genemit.c (gen_split): Likewise.
506 * genrecog.c (special_mode_pred_table): Likewise.
507 * graph.c (graph_ext): Likewise.
508 * protoize (default_include): Likewise.
509 * reload.c (reload_when_needed_name): Likewise.
510 * sched-vis.c (visualize_stall_cycles): Likewise.
511 * tlink.c (recompile_files): Likewise.
512 * toplev.c (decode_g_option): Likewise.
513 * tradcpp.c (output_deps): Likewise.
514 * varasm.c (decode_reg_name): Likewise.
516 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
519 * avr.c (avr_regnames, encode_section_info): Likewise.
520 * c4x.c (float_reg_names): Likewise.
521 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
522 * elfos.h (const_section): Likewise.
523 * i386.c (ix86_comp_type_attributes): Likewise.
524 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
525 * ia64/aix.h (UNIQUE_SECTION): Likewise.
526 * ia64.c (type_names): Likewise.
527 * m68hc11.c (reg_class_names): Likewise.
528 * m88k.c (m_options): Likewise.
529 * mips.c (mips_output_conditional_branch, mips_unique_section):
531 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
532 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
533 ultra_code_names): Likewise.
534 * sparc.h (OVERRIDE_OPTIONS): Likewise.
536 2001-09-12 Jakub Jelinek <jakub@redhat.com>
538 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
539 Use --fatal-warnings option for gas.
540 * configure: Rebuilt.
542 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
544 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
546 2001-09-11 Jim Wilson <wilson@redhat.com>
548 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
550 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
552 * builtins.c (c_strlen): Treat an offset too large for a
553 HOST_WIDE_INT as out of range.
555 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
557 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
558 (EDGE_CRITICAL_P): New predicate.
559 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
561 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
562 (dump_edge_info): Remove "crit".
563 * cfganal.c (mark_critical_edges): Kill.
564 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
565 * cfgcleanup.c (cleanup_cfg): Likewise.
566 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
567 (find_spanning_tree): Likewise.
568 * reg-stack.c (convert_regs_1): Likewise.
569 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
571 * basic-block.h (create_basic_block_structure): New.
572 (create_basic_block): Update prototype.
573 (force_nonfallthru): New.
574 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
575 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
576 handle updating of block_for_insn, creating of empty BBs and BBs at
577 the end of INSN chain.
578 (create_basic_block): New function.
579 (split_block): Use create_basic_block.
580 (force_nonfallthru_and_redirect): Break out from ...; cleanup
581 (redirect_edge_and_branch_force): ... here.
582 (force_nonfallthru): New.
583 (split_edge): Rewrite to use force_nonfallthru and create_block.
584 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
585 (find_basic_blocks): Free basic_block_for_insn.
586 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
588 * cfg.c: Fix formating.
589 * cfgcleanup.c: Fix formating.
590 (merge_blocks, tail_recursion_label_p): Return bool.
591 (merge_blocks_move_predecessor_nojumps,
592 merge_blocks_move_successor_nojumps): Return void.
594 2001-09-11 Jakub Jelinek <jakub@redhat.com>
596 * configure.in: Check whether assembler supports section merging.
597 * config.in: Rebuilt.
598 * configure: Rebuilt.
599 * varasm.c (variable_section, output_constant_pool): Pass alignment
600 to SELECT_SECTION and SELECT_RTX_SECTION.
601 (mergeable_string_section): New.
602 (mergeable_constant_section): New.
603 (default_elf_asm_named_section): Output SECTION_MERGE and
604 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
605 * output.h (mergeable_string_section): New.
606 (mergeable_constant_section): New.
607 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
608 * toplev.c (flag_merge_constants): New.
609 (f_options): Add -fmerge-constants and -fmerge-all-constants
611 (toplev_main): Default to -fno-merge-constants if not optimizing.
612 * flags.h (flag_merge_constants): Add extern.
613 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
614 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
616 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
617 Define if assembler has working .subsection -1 support.
618 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
619 Put constant into special SHF_MERGE sections if the linker should
620 attempt to merge duplicates.
621 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
623 Put constant into special SHF_MERGE sections if the linker should
624 attempt to merge duplicates.
625 * config/alpha/elf.h: Likewise.
626 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
627 has working .subsection -1 support.
628 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
630 * config/svr3.h: Likewise.
631 * config/darwin.h: Likewise.
632 * config/arm/aof.h: Likewise.
633 * config/arm/linux-elf.h: Likewise.
634 * config/avr/avr.h: Likewise.
635 * config/c4x/c4x.h: Likewise.
636 * config/d30v/d30v.h: Likewise.
637 * config/i386/dgux.h: Likewise.
638 * config/i386/osfrose.h: Likewise.
639 * config/i386/sco5.h: Likewise.
640 * config/i386/svr3gas.h: Likewise.
641 * config/ia64/aix.h: Likewise.
642 * config/m32r/m32r.h: Likewise.
643 * config/m68k/m68k.h: Likewise.
644 * config/m88k/dgux.h: Likewise.
645 * config/m88k/m88k.h: Likewise.
646 * config/mcore/mcore-pe.h: Likewise.
647 * config/mips/mips.h: Likewise.
648 * config/pa/pa.h: Likewise.
649 * config/pa/pa-linux.h: Likewise.
650 * config/romp/romp.h: Likewise.
651 * config/rs6000/sysv4.h: Likewise.
652 * config/rs6000/xcoff.h: Likewise.
653 * config/s390/linux.h: Likewise.
654 * config/sparc/sparc.h: Likewise.
655 * config/sparc/sysv4.h: Likewise.
656 * config/stormy16/stormy16.h: Likewise.
657 * config/v850/v850.h: Likewise.
658 * config/vax/vms.h: Likewise.
659 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
660 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
661 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
662 default_elf_asm_named_section for SHF_MERGE sections.
664 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
666 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
669 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
671 * c-common.c (split_specs_attrs): Allow for empty attributes with
672 empty TREE_PURPOSE. Fixes PR c/4294.
674 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
676 * basic-block.h (cached_make_edge, make_single_succ): New.
677 (make_edge): Remove first parameter.
678 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
679 * cfg.c (cached_make_edge): Rename from make_edge; return newly
680 created edge; use obstack allocation.
681 (make_edge, make_single_succ_edge): New.
682 (first_removed_edge): New static variable.
683 (init_flow): Initialize first_removed_edge and n_edges.
684 (clear_edges): Use remove_edge.
685 (flow_delete_block): Likewise.
686 (remove_edge): Add removed edges to the removed edges list.
687 (split_block, redirect_edge_and_branch_force, split_edge):
689 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
690 (add_noreturn_fake_exit_edges): Likewise.
691 (connect_infinite_loops_to_exit): Liekwise.
692 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
693 Use cached_make_edge.
694 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
695 * profile.c (branch_prob): Update make_edge call.
696 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
698 2001-09-11 Richard Henderson <rth@redhat.com>
700 * config/alpha/alpha.c: Tidy formatting.
701 (local_symbolic_operand): Verify mode.
702 (alpha_sa_mask): Ignore unicos for eh_return.
703 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
704 * config/alpha/alpha.md (umk divsi patterns): Remove.
705 (extendsfdf2): Remove unicos check.
706 (tablejump): Merge vms and unicos code; always use direct set
709 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
711 * config.gcc (alpha*-*-unicosmk*): New target.
713 * config/alpha/alpha-protos.h (symbolic_operand,
714 unicosmk_add_call_info_word, unicosmk_add_extern,
715 unicosmk_defer_case_vector, unicosmk_unique_section,
716 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
717 unicosmk_asm_file_start, unicosmk_asm_file_end,
718 unicosmk_output_common): Declare.
720 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
721 direct_return, function_arg, alpha_va_start, alpha_va_arg,
722 alpha_does_function_need_gp, alpha_end_function): Support Cray
724 (alpha_init_machine_status, alpha_mark_machine_status,
725 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
726 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
727 unicosmk_asm_named_section, unicosmk_insert_attributes,
728 unicosmk_section_type_flags, symbolic_operand,
729 unicosmk_output_module_name, unicosmk_output_default_externs,
730 unicosmk_output_dex, unicosmk_output_externs,
731 unicosmk_output_addr_vec, unicosmk_ssib_name,
732 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
733 unicosmk_asm_file_end, unicosmk_output_common,
734 unicosmk_section_type_flags, unicosmk_unique_section,
735 unicosmk_add_call_info_word, unicosmk_text_section,
736 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
737 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
738 unicosmk_dex_count, unicosmk_special_name): New.
739 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
741 (get_aligned_mem, alpha_expand_unaligned_load,
742 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
743 alpha_expand_unaligned_store_words): Support big-endian mode.
744 (print_operand): Likewise. New format specifier 't'. Use
745 TARGET_AS_SLASH_BEFORE_SUFFIX.
746 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
747 (alpha_pv_save_size): Update with above change.
748 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
749 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
752 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
753 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
754 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
755 (EXTRA_CONSTRAINT): New constraint 'U'.
756 (PREDICATE_CODES): Add symbolic_operand.
758 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
759 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
760 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
761 (integer division and modulus patterns): Split in default and
763 (*divmodsi_internal, *divmoddi_internal): Disable for
765 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
766 little-endian and big-endian versions.
767 (ext, ins, msk): Likewise.
768 (extv, extzv, insv): Support big-endian mode.
769 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
770 (call_umk, call_value_umk, *call_umk, tablejump_umk,
771 *tablejump_umk_internal, *call_value_umk): New.
772 (*movdi_nofix): Add pattern for loading an address into a register on
774 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
775 (umk_mismatch_args, arg_home_umk): New.
776 (various insns): Don't use mov, fmov, nop, fnop and unop.
777 (realign): Support TARGET_ABI_UNICOSMK.
779 * config/alpha/unicosmk.h: New file.
780 * config/alpha/t-unicosmk: New file.
782 * fixinc/inclhack.def (unicosmk_restrict): New.
783 * fixinc/fixincl.x: Regenerate.
785 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
786 (wchar_t): Check for and define __WCHAR_T__.
788 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
790 * combine.c (simplify_shift_const): Treat shifts by the mode
793 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
795 * cpphash.h (struct tokenrun): New.
796 (struct cpp_context): New member bol.
797 (struct cpp_reader): New members.
798 (_cpp_init_tokenrun): New.
799 * cppinit.c (cpp_create_reader): Set up the token runs.
800 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
801 (lex_token): New internalised version of _cpp_lex_token. Don't
802 handle directives or the multiple include opimisation here any
803 more. Simply lex a token.
804 * cpplib.c (run_directive): Clear bol.
805 (_cpp_pop_buffer): Set bol.
806 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
809 2001-09-11 Michael Meissner <meissner@redhat.com>
811 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
812 give an error if the user uses -mfp32.
813 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
815 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
816 floating point register size.
817 (EXTRA_SPECS): Add CPP_FPR_SPEC.
819 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
820 HOST_WIDE_INT_PRINT_DEC to properly print the result of
822 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
823 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
825 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
827 * dbxout.c (dbxout_parms): Fix typo in comment.
828 * unroll.c (loop_find_equiv_value): Ditto.
829 * toplev.c (rest_of_compilation): Ditto.
830 * loop.c (scan_loop): Ditto.
831 * dwarf2out.c (struct dw_fde_struct): Ditto.
833 2001-09-10 Zack Weinberg <zackw@panix.com>
835 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
836 copying identifier when we're just going to throw it away.
837 (parse_identifier_slow): New routine to handle abnormal cases.
838 (_cpp_lex_token): Update call site.
840 * hashtable.c (ht_lookup): Don't assume that the string we've
841 been given is NUL-terminated.
842 * system.h: #define __builtin_expect(a, b) to (a) if not
845 2001-09-10 Michael Meissner <meissner@redhat.com>
847 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
850 2001-09-10 David Edelsohn <edelsohn@gnu.org>
852 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
854 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
856 * builtins.c (c_getstr): Correct thinko in last change and further
859 2001-09-10 Tim Freeman <tim@fungibole.com>
861 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
862 into varray's and register them as roots with the garbage
863 collector so they are not collected too soon.
865 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
867 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
869 * basic-block.h (flow_obstack, label_value_list,
870 tail_recursion_label_list): Declare
871 (tidy_fallthru_edges): Declare.
872 (expunge_block, last_loop_beg_note): Delete.
873 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
875 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
876 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
877 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
878 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
879 expunge_block, flow_delete_block, compute_bb_for_insn,
880 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
881 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
882 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
883 try_redirect_by_replacing_jump, last_loop_beg_note,
884 redirect_edge_and_branch, redirect_edge_and_branch_force,
885 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
886 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
887 commit_edge_insertions, dump_flow_info, debug_flow_info,
888 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
889 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
890 Move here from flow.c
891 * cfganal.c: New file.
892 (forwarder_block_p, can_fallthru, mark_critical_edges,
893 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
894 find_unreachable_blocks, create_edge_list, free_edge_list,
895 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
896 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
897 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
898 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
899 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
900 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
901 Move here from flow.c
902 * cfgbuild.c: New file
903 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
904 make_edges, find_basic_blocks_1, find_basic_blocks,
905 find_sub_basic_blocks): Move here from flow.c
906 * cfgcleanup.c: New file.
907 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
908 merge_blocks_move_predecessor_nojumps,
909 merge_blocks_move_successor_nojumps, merge_blocks,
910 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
911 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
912 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
914 * cfgloop.c: New file
915 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
916 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
917 flow_loop_exit_edges_find, flow_loop_nodes_find,
918 flow_loop_pre_header_scan, flow_loop_pre_header_find,
919 flow_loop_tree_node_add, flow_loops_tree_build,
920 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
921 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
922 Move here from flow.c
923 * flow.c: Remove everything moved elsewhere
924 * output.h (cleanup_cfg): Return bool.
926 * bb-reorder.c (reorder_block_def): Remove 'index'.
927 (insert_intra_1): Add argument BB, set block for new note.
928 (make_reorder_chain): Do not depdent on BB indexes.
929 (make_reorder_chain_1): Do not use BB indexes.
930 (label_for_bb): Likewise; set BB for new insn.
931 (emit_jump_to_block_after): Likewise.
932 (fixup_reoder_chain): Sanity check that all basic blocks
933 are chained; verify newly created insn chain; remove
934 undocnitional jump simplifying; Do not use BB indexes;
935 properly initialize count and frequency information;
936 dump reordered sequence.
937 (insert_intra_bb_scope_notes): update call of insert_intra_1.
938 (insert_inter_bb_scope_notes): Set block for new insn.
939 (reorder_basic_blocks): Dump flow info before reoredering.
941 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
943 * alias.c (clear_reg_alias_info): Use K&R format definition.
944 Avoid unsigned warning.
945 * builtins.c: Use "unsigned int", not "unsigned".
946 (target_char_cast): Use host_integerp and tree_low_cst.
947 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
948 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
949 (c_getstr): Likewise.
950 (std_expand_builtin_va_arg): Use int_size_in_bytes.
951 (builtin_memcpy_read_str): Avoid unsigned warning.
952 (expand_builtin_memcpy): Alignments are unsigned.
953 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
954 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
955 * predict.c (expensive_function_p): LIMIT now unsigned.
956 * resource.c (mark_target_live_regs): Make some vars unsigned.
957 * sdbout.c: Use "unsigned int", not "unsigned".
958 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
959 (sdbout_source_line): Likewise.
960 (sdbout_record_type_name): Remove "const" for NAME declaration.
961 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
963 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
965 * calls.c (store_one_arg): Expand comment.
967 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
969 * calls.c (store_one_arg): Make sure that the entire argument is
970 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
972 2001-09-09 Richard Henderson <rth@redhat.com>
974 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
976 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
978 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
980 2001-09-09 Richard Henderson <rth@redhat.com>
982 * config/alpha/alpha.c (alpha_next_sequence_number): New.
983 (alpha_this_literal_sequence_number): New.
984 (alpha_this_gpdisp_sequence_number): New.
985 (some_operand, input_operand): Add HIGH.
986 (local_symbolic_operand): New.
987 (alpha_encode_section_info): New.
988 (alpha_legitimate_address_p): Allow LO_SUM.
989 (alpha_legitimize_address): Generate HIGH+LO_SUM.
990 (alpha_expand_mov): Likewise.
991 (secondary_reload_class): Check memory_operand not general_operand
993 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
994 (alpha_expand_unaligned_store): Likewise.
995 (alpha_expand_unaligned_load_words): Likewise.
996 (alpha_expand_unaligned_store_words): Likewise.
997 (alpha_expand_block_clear): Likewise.
998 (print_operand): Handle %#, %*, %H.
999 (print_operand_address): Handle LO_SUM.
1001 (alpha_does_function_need_gp): Use it.
1002 (alpha_expand_block_move): Fix signed compare warnings.
1003 (alpha_sa_mask, alpha_align_insns): Likewise.
1004 * config/alpha/alpha-protos.h: Update.
1005 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
1006 (MASK_EXPLICIT_RELOCS): New.
1007 (TARGET_SWITCHES): Add -mexplicit-relocs.
1008 (EXTRA_CONSTRAINT): Add 'T'.
1009 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
1010 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
1011 (ENCODE_SECTION_INFO): Out line.
1012 (REDO_SECTION_INFO_P): New.
1013 (STRIP_NAME_ENCODING): New.
1014 (ASM_OUTPUT_LABELREF): New.
1015 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
1016 (PREDICATE_CODES): Update.
1017 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
1018 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
1019 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
1020 builtin_setjmp_receiver_er, exception_receiver_1_er,
1021 call_value_osf_1_er): New patterns.
1022 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
1023 (movqi, movhi, movsi): Add explicit $31 base register to lda.
1024 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
1025 (FINAL_PRESCAN_INSN): New.
1027 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
1029 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
1031 2001-09-08 Andreas Jaeger <aj@suse.de>
1033 * i386.h (TARGET_SWITCHES): Fix description.
1035 2001-09-07 David Edelsohn <edelsohn@gnu.org>
1037 * rs6000.c (num_insns_constant): Compute number of instructions
1040 * doc/install.texi: Explain AIX exception handling work-around.
1041 Update URL for AIX fixes.
1043 2001-09-07 Jim Wilson <wilson@redhat.com>
1045 * alias.c (clear_reg_alias_info): New.
1046 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
1047 * rtl.h (clear_reg_alias_info): Declare.
1049 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1051 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
1053 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
1054 (m16m,edivm,emulm): Change declaration to match definition.
1056 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1058 * reload.c (push_reload): Check for subreg_lowpart_p instead of
1059 SUBREG_BYTE being 0 when determining if the inner part of a subreg
1062 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1064 * c-common.c (signed_or_unsigned_type): Handle machine mode types
1065 which have no corresponding C type.
1066 * fold_const.c (target_isinf,target_isnan,target_negative): Update
1067 the representation of 64-bit doubles to work with 64-bit ints.
1069 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
1071 * config/mips/mips.c (override_options): Do not override ISA when ABI
1072 specified if MIPS_CPU_STRING_DEFAULT was specified.
1074 2001-09-07 Richard Henderson <rth@redhat.com>
1076 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
1077 (express_from_1): Wrap lines.
1078 * rtlanal.c (commutative_operand_precedence): Rename from
1079 operand_preference; export.
1080 * rtl.h: Declare it.
1081 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
1082 (simplify_binary_operation): Invoke simplify_plus_minus on
1083 (CONST (PLUS ...)) as well.
1084 (struct simplify_plus_minus_op_data): New.
1085 (simplify_plus_minus_op_data_cmp): New.
1086 (simplify_plus_minus): Use them. Avoid infinite recursion with
1087 simplify_binary_operation wrt CONST.
1089 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
1091 * h8300-protos.h (general_operand_dst_push): Remove.
1092 * h8300.c (general_operand_dst_push): Likewise.
1093 * h8300.h (OK_FOR_T): Likewise.
1094 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
1095 * h8300.md (pushqi_h8300): New.
1096 (pushqi_h8300hs): Likewise.
1098 (pushhi_h8300): Likewise.
1099 (pushhi_h8300hs): Likewise.
1102 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1104 * genattrtab.c (attr_printf): First arg is unsigned.
1105 Clean up formatting of callers.
1107 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
1109 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
1112 2001-09-07 Andreas Jaeger <aj@suse.de>
1114 * i386.h (TARGET_SWITCHES): Fix descriptions.
1116 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1118 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
1120 2001-09-06 Ira Ruben <ira@apple.com>
1122 Remove OP_IDENTIFIER.
1123 * tree.def (OP_IDENTIFIER): Remove.
1124 * tree.c (tree_node_kind enum): Remove op_id_kind.
1125 (tree_node_kind_names): Remove "op_identifiers".
1126 (make_node): Remove OP_IDENTIFIER test.
1127 (build_op_identifier): Removed because it isn't being used.
1128 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
1129 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
1131 2001-09-06 Richard Henderson <rth@redhat.com>
1133 * simplify-rtx.c (simplify_binary_operation): Revert last change.
1135 2001-09-06 Richard Henderson <rth@redhat.com>
1137 * simplify-rtx.c (simplify_binary_operation): Simplify contents
1140 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1142 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
1143 number used for CR register.
1145 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1146 Joern Rennecke (amylaar@cygnus.com)
1148 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
1149 * h8300.c (initial_offset): Handle offset between RP and FP.
1150 (h8300_return_addr_rtx): New function.
1151 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
1153 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
1154 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
1155 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
1156 (CAN_ELIMINATE, REGISTER_NAMES):
1157 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
1159 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
1161 Remove TYPE_NONCOPIED_PARTS.
1162 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
1163 (struct tree_type): Remove noncopied_parts.
1164 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
1165 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
1166 (fixed_type_p): Remove.
1167 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
1168 (expand_expr, MODIFY_EXPR): Likewise.
1169 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
1170 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
1172 2001-09-06 Alan Modra <amodra@bigpond.net.au>
1174 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
1176 (mask64_operand): Likewise.
1177 (includes_rldic_lshift_p): Likewise.
1178 (includes_rldicr_lshift_p): Likewise.
1180 2001-09-05 Ziemowit Laski <zlaski@apple.com>
1182 * objc/objc-act.c (build_message_expr): If a class method cannot
1183 be found, do not issue a warning if a corresponding instance
1184 method exists in the root class.
1186 2001-09-05 Richard Henderson <rth@redhat.com>
1188 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
1190 2001-09-05 Zack Weinberg <zack@codesourcery.com>
1192 * function.c (ggc_mark_struct_function): Mark f->outer.
1193 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
1194 * integrate.c (output_inline_function): ... not here.
1196 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1198 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
1200 * i386.c (size_cost): New static variable.
1201 (override_function): Use size_cost when -Os is specified.
1203 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
1204 properly; Use current_function_calls_eh_return.
1205 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
1206 use leave to avoid depdendancy chain.
1208 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
1209 get BB loop_depth instead of computing it from LOOP notes.
1211 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
1213 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1215 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1216 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1217 UNALIGNED_DOUBLE_INT_ASM_OP): Define
1219 2001-09-05 Jeffrey A Law (law@cygnus.com)
1220 Jason Merrill (jason@redhat.com)
1222 * stor-layout.c (layout_type): Complain if an array's size can
1223 not be represented in a size_t.
1225 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
1227 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
1229 * gcc.c: (process_command) Add parentheses around assignment
1230 used as truth value.
1232 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1234 * config/mips/mips.c (save_restore_insns): Don't mark any register
1235 save slots as unchanging if current_function_calls_eh_return.
1237 2001-09-05 Richard Henderson <rth@redhat.com>
1239 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
1240 * config/alpha/alpha-protos.h: Declare it.
1241 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
1242 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
1243 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
1244 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
1245 (REG_OK_FOR_BASE_P): Select one of the above.
1247 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1249 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
1250 (crti.o): Prefix name of object file with $(T).
1253 2001-09-05 David S. Miller <davem@redhat.com>
1255 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
1256 * config/sparc/linux64.h: Likewise.
1258 2001-09-05 Andreas Jaeger <aj@suse.de>
1260 * doc/invoke.texi (i386 Options): -mwide-multiply is not
1261 available anymore, remove the documentation.
1262 (i386 Options): Fix typo, cleanup index entries.
1264 * prefix.c (concat): Remove, we can use the version from liberty.
1266 2001-09-05 Richard Henderson <rth@redhat.com>
1268 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
1269 New functions split out of md file expanders.
1270 * config/alpha/alpha-protos.h: Declare them.
1271 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
1273 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
1275 * cppmacro.c (funlike_invocation_p): No need to restore context.
1277 2001-09-04 Richard Henderson <rth@redhat.com>
1279 * reload.c (push_reload): Export.
1280 * reload.h (push_reload): Declare it.
1282 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
1283 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1284 * config/alpha/alpha.c (alpha_legitimize_address): New.
1285 (alpha_legitimize_reload_address): Likewise.
1286 * config/alpha/alpha-protos.h: Declare them.
1288 2001-09-04 Stan Shebs <shebs@apple.com>
1290 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
1291 * config/darwin.c (machopic_stub_name): Account for internally
1292 generated lib calls such as memcpy.
1294 2001-09-04 Richard Henderson <rth@redhat.com>
1296 * unwind.h (_UA_END_OF_STACK): New flag.
1297 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
1299 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1301 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
1303 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
1305 * config/mips/mips.c (save_restore_insns): Change base_offset to
1306 fp_offset in second call to mips_emit_frame_related_store.
1308 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
1310 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
1311 sometimes be represented as a NOTE of type
1312 NOTE_INSN_DELETED_LABEL.
1313 (Insns): Document NOTE_INSN_DELETED_LABEL.
1315 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
1317 * c-common.h (tree_dump_index): Add more comments.
1318 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
1319 (dump_option_value_info): New struct.
1320 (dump_options): New array.
1321 (dump_switch_p): Parse switch options symbolically.
1322 * doc/invoke.texi (-fdump-ast): Rename to ...
1323 (-fdump-tree): ... here. Document that options are symbolic, and
1324 not all are applicable.
1326 2001-09-04 David S. Miller <davem@redhat.com>
1328 * config/sparc/sparc.md (define_splits): Kill constraints.
1330 Cleanup redundant and unused insn attributes.
1331 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
1332 binary, and move. Mark ialu as default.
1333 (commented out define_function_unit "alu"): Kill.
1334 (define_attr "use_clobbered"): Kill.
1335 (whole file): Kill address insn type references. Replace
1336 all unary/binary/move references with ialu.
1337 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
1338 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
1341 Simplify length insn attribute and make more judicious use
1342 of insn attribute defaulting.
1343 * config/sparc/sparc.md (all insns with length > one): Mark as
1344 insn type multi if real instructions, else use default if
1345 it is a forced splitter.
1346 (all insns with length == one): Use default insn length.
1347 (all insns of type ialu): Use default insn type.
1349 Fix erroneous insn attribute settings.
1350 (addx): Set insn type to misc.
1351 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
1352 const_umulsidi3_sp64): Set insn type to imul.
1354 Track SFmode vs DFmode insns according to UltraSPARC
1356 * config/sparc/sparc.md ("fptype"): New attribute, default
1358 (all DFmode single insns): Mark as fptype "double".
1360 2001-09-03 Jakub Jelinek <jakub@redhat.com>
1362 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
1364 2001-09-03 Richard Henderson <rth@redhat.com>
1366 * function.h (struct function): Add arg_pointer_save_area_init.
1367 * function.c (expand_function_end): Init arg_pointer_save_area.
1368 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
1369 when called from a nested function.
1371 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
1373 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
1376 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1378 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
1380 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
1382 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
1383 (emit_push_insn): Use specified padding direction when
1384 STACK_PUSH_CODE is POST_INC.
1386 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
1388 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1390 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
1392 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
1394 * cppinit.c (cpp_start_read): Free the imacros list as we
1395 traverse it. Don't free the chains before returning.
1396 (_cpp_push_next_buffer): Only try pushing buffers if we've
1397 completed -imacros handling.
1399 2001-08-31 Eric Christopher <echristo@redhat.com>
1401 * gcc.c (handle_braces): Add explaination for abort.
1403 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
1405 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
1406 move adjustment of bitpos instead.
1408 2001-08-31 Zack Weinberg <zack@codesourcery.com>
1410 * function.c: Remove all_functions. Make outer_function_chain
1412 (init_function_start): Don't add new function structure to
1414 (find_function_data, push_function_context_to,
1415 pop_function_context_from, put_var_into_stack,
1416 trampoline_address): Update for changed structure element names.
1417 (push_function_context_to): Disentangle.
1418 (free_after_compilation): Also free F.
1419 (expand_dummy_function_end): Don't free cfun here.
1420 (put_var_into_stack): Comment why we can't use find_function_data here.
1421 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
1422 (mark_function_chain): Split into maybe_mark_struct_function and
1423 ggc_mark_struct_function. Export the latter.
1424 (init_function_once): Mark from cfun and outer_function_chain;
1427 * function.h (struct function): Kill next_global. Rename next
1428 to outer. All users updated to match.
1429 (all_functions, outer_function_chain): Don't declare.
1431 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
1432 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
1433 don't touch f->inlinable, after calling rest_of_compilation.
1435 * tree.h: Forward-declare struct function. Prototype
1436 ggc_mark_struct_function.
1438 2001-08-31 Kazu Hirata <kazu@hxi.com>
1440 * config/h8300/h8300.md (*andorhi3): Fix typos.
1442 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1444 * calls.c (emit_library_call_value): Don't use a fixed
1445 argument after VA_CLOSE, i.e. out of scope in traditional C.
1447 * emit-rtl.c (gen_rtvec): Likewise.
1449 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1451 * Makefile.in (c-pragma.o): Depend on output.h.
1452 (reorg.o): Depend on except.h.
1454 * c-pragma.c: Include output.h.
1456 * reorg.c: Include except.h.
1458 * unwind-dw2.c: Call __builtin_alloca, not alloca.
1460 2001-08-31 Richard Henderson <rth@redhat.com>
1462 * sched-deps.c (add_dependence): Don't elide dependancy if the
1463 conditional used by insn is modified in elem.
1465 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
1467 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
1469 2001-08-31 Diego Novillo <dnovillo@redhat.com>
1471 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
1474 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1476 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
1478 (stormy16_asm_out_constructor): New function.
1479 (TARGET_ASM_CONSTRUCTOR): Define.
1480 (TARGET_ASM_DESTRUCTOR): Define.
1482 2001-08-31 Andreas Jaeger <aj@suse.de>
1484 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
1485 * loop.c (add_label_notes): Likewise.
1486 * reload.c (find_reloads): Likewise.
1487 * config/sh/sh.c (machine_dependent_reorg): Likewise.
1489 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
1491 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
1492 code here. Take _Unwind_{W,Sw}ord*.
1493 (read_encoded_value_with_base): Use them.
1494 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
1496 (extract_cie_info): Simplify read_?leb128 handling.
1497 (execute_stack_op, execute_cfa_program): Likewise.
1498 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
1500 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1502 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
1503 the frame pointer to pop the stack if convenient.
1505 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
1506 Don't use post-increment before combine.
1507 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
1508 a call-saved register.
1510 2001-08-31 Andreas Jaeger <aj@suse.de>
1512 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
1515 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
1517 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
1518 not DIV/MOD, of course.
1520 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
1522 * rtl.def: Undo my patch commited 2001-08-27.
1524 * genattrtab.c: Ditto.
1528 * sched-int.h: Ditto.
1530 * target-def.h: Ditto.
1534 * haifa-sched.c: Ditto.
1536 * sched-rgn.c: Ditto.
1538 * sched-vis.c: Ditto.
1540 * Makefile.in: Ditto.
1542 * doc/md.texi: Ditto.
1544 * doc/tm.texi: Ditto.
1546 * doc/contrib.texi: Ditto.
1548 * doc/gcc.texi: Ditto.
1550 * genattrtab.h: Remove it.
1552 * genautomata.c: Remove it.
1554 * genattr.c: Undo my patch and Richard Henderson's patch commited
1557 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
1559 * config.gcc (h8300-*-elf*): New case.
1560 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
1561 (SUBTARGET_CPP_SPEC): Define.
1562 (EXTRA_SPECS): Define.
1563 (SUBTARGET_EXTRA_SPECS): Define.
1564 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
1565 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
1567 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
1569 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
1570 (LIB2FUNCS_EXTRA): Define.
1571 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
1572 config/h8300/fixunssfsi.c: New file.
1574 2001-08-30 Kazu Hirata <kazu@hxi.com>
1576 * config/h8300/h8300.md (zero_extendqihi2): Changes to
1577 define_expand to accomodate target-specific attributes.
1578 (anonymous zero_extendqihi2 patterns): New.
1580 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
1582 * h8300.md (*andorhi3): New pattern.
1584 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
1586 * h8300.c (dosize): Fix test for "sub".
1588 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
1590 * c-typeck.c (pointer_diff): Try to eliminate common term before
1593 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
1595 * config/arm/arm.c (arm_compute_initial_elimination_offset):
1596 Account for the saves of the FP registers.
1598 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
1599 (TEXT_SECTION_ASM_OP): Define.
1600 (INIT_SECTION_ASM_OP): Define.
1601 (FINI_SECTION_ASM_OP): Define.
1602 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
1603 (RDATA_SECTION_FUNCITON): Provide prototype.
1605 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
1607 * reload1.c (move2add_note_store): Correct typo checking for
1610 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
1612 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
1613 note should not be considered outside the libcall block.
1615 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1617 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
1619 2001-08-29 Kazu Hirata <kazu@hxi.com>
1621 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
1623 2001-08-29 Kazu Hirata <kazu@hxi.com>
1625 * config/h8300/h8300-protos.h: Add a prototype for
1627 * config/h8300/h8300.c (emit_logical_op): New.
1628 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
1635 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1637 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
1638 comparison with rtx INTVAL.
1639 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
1641 * pa.h (FUNCTION_ARG_SIZE): Likewise.
1643 2001-08-29 Kazu Hirata <kazu@hxi.com>
1645 * config/h8300/lib1funcs.asm: Update the copyright. Fix
1648 2001-08-29 Kazu Hirata <kazu@hxi.com>
1650 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
1651 (reg n) to (mem (pre_dec (reg n))
1652 (anonymous movsi pattern): Likewise.
1654 2001-08-29 Kazu Hirata <kazu@hxi.com>
1656 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
1658 2001-08-29 Kazu Hirata <kazu@hxi.com>
1660 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
1661 several special constants.
1663 2001-08-29 Kazu Hirata <kazu@hxi.com>
1665 * config/h8300/lib1funcs.asm: Fix comment typos.
1667 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1669 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
1670 Fix format specifier warnings.
1672 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
1673 inet_makeaddr, semctl): Prototype.
1675 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
1676 (save_restore_insns): Use base_offset, not gp_offset.
1678 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
1679 (ASM_OUTPUT_BYTE): Fix format specifier warning.
1681 2001-08-29 Richard Henderson <rth@redhat.com>
1683 * bb-reorder.c (function_tail_eff_head): New.
1684 (record_effective_endpoints): Set it.
1685 (fixup_reorder_chain): Use it.
1687 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1689 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
1691 2001-08-28 Dale Johannesen <dalej@apple.com>
1693 * config/darwin.c (machopic_function_base_name): Add const
1694 qualifier to a string.
1695 (darwin_encode_section_info): Ditto.
1697 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1699 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
1700 function definition.
1702 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
1704 * df.h (struct df): Add rts_order variable.
1706 * df.c (df_visit_next_rts): New function.
1707 (df_visit_next): Renamed to df_visit_next_rc
1708 (df_analyse_1): Allocate/compute/free rts_order as well.
1709 (df_rd_global_compute): Use df_visit_next_rc instead of
1711 (df_ru_global_compute): Use df_visit_next_rts instead of
1714 * flow.c (flow_reverse_top_sort_order_compute): New function.
1716 * basic-block.h: Add prototype.
1718 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
1720 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
1721 blocks, the BB_REACHABLE is now set, rather than aux being
1722 non-NULL. Update the test to reflect this.
1724 2001-08-28 Eric Christopher <echristo@redhat.com>
1726 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
1727 config/mips/crti.asm: Ditto.
1729 2001-08-28 Eric Christopher <echristo@redhat.com>
1730 Richard Henderson <rth@redhat.com>
1732 * c-pragma.h (add_weak): Move prototype from here...
1733 * output.h (add_weak): ... to here.
1734 * varasm.c (add_weak): Fix typo.
1735 * config/mips/crti.asm: New file.
1736 * config/mips/crtn.asm: Ditto.
1737 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
1738 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
1739 (INVOKE__main): Ditto.
1740 (INIT_SECTION_ASM_OP): New.
1741 (FINI_SECTION_ASM_OP): Ditto.
1742 (STARTFILE_SPEC): Add crti.
1743 (ENDFILE_SPEC): Add crtn.
1744 * config/mips/elf64.h: Same.
1745 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
1747 * config/mips/vxworks.h: Ditto.
1748 * config/mips/t-elf: Support crti and crtn.
1750 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
1752 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
1755 2001-08-28 Richard Henderson <rth@redhat.com>
1757 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
1758 (one_cmplbi2 splitter): Remove redundant test.
1760 2001-08-28 Dale Johannesen <dalej@apple.com>
1762 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
1764 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
1766 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
1768 2001-08-28 Stan Shebs <shebs@apple.com>
1770 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
1771 (UNALIGNED_SHORT_ASM_OP): Define.
1772 (UNALIGNED_INT_ASM_OP): Define.
1774 2001-08-28 Will Cohen <wcohen@redhat.com>
1776 * config/rs6000/rs6000.md (store_multiple): Correct RTL
1777 generation for first set.
1779 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1781 * flow.c (redirect_edge_succ_nodup): Return new edge.
1782 (try_simplify_condjump): Use new edge.
1783 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
1785 * cse.c (cse_basic_block): Skip note instructions.
1787 2001-08-27 Richard Henderson <rth@redhat.com>
1789 * combine.c (combine_simplify_rtx): Don't reverse condition
1790 if there is no reverse for the condition.
1791 (simplify_comparison): Don't simplify subregs from INT to FP.
1793 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
1794 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
1795 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
1796 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
1797 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
1798 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
1800 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1802 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
1803 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
1805 (adddi_dilshr32, adddi_dishl32): Only data register can be
1806 source for mem destination.
1808 * expmed.c (store_bit_field): Ignore adjustment to bitpos
1809 and use bitnum to decide about register move.
1811 2001-08-27 Richard Henderson <rth@redhat.com>
1813 * genattr.c (main): Emit state_t even when not doing scheduling.
1815 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1816 Richard Henderson <rth@redhat.com>
1818 * gcse.c (reg_first_set, reg_last_set): Replace with ...
1819 (reg_avail_info, current_bb): ... these.
1820 (oprs_unchanged_p, record_last_reg_set_info): Use them.
1821 (compute_hash_table): Likewise.
1823 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1825 * flow.c (verify_flow_info): Use checksums to verify edges.
1827 2001-08-27 Richard Henderson <rth@redhat.com>
1829 * genautomata.c (expand_automata): Always create a description.
1831 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
1833 * optabs.c (expand_binop): Correctly handle the carry in multiword
1834 add/subtract operations.
1836 2001-08-27 Fred Fish <fnf@be.com>
1838 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
1841 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
1843 * reload.c (find_reloads_toplev): Back out this change:
1845 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
1847 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
1848 mem if the address is a mode_dependent_address_p.
1850 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1852 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
1853 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
1854 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
1857 * genattr.c (main): New variable num_insn_reservations. Increase
1858 it if there is DEFINE_INSN_RESERVATION. Output automaton based
1859 pipeline hazard recognizer interface.
1861 * genattrtab.h: New file.
1863 * genattrtab.c: Include genattrtab.h.
1864 (attr_printf, check_attr_test, make_internal_attr,
1865 make_numeric_value): Move protypes into genattrtab.h. Define them
1867 (num_dfa_decls): New global variable.
1868 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
1869 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
1870 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
1871 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
1873 * genautomata.c: New file.
1875 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
1877 * sched-int.h: (curr_state): Add the external definition for
1878 automaton pipeline interface.
1879 (haifa_insn_data): Add comments for members blockage and units.
1881 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
1882 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
1883 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
1884 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
1885 TARGET_SCHED_DFA_POST_CYCLE_INSN,
1886 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
1887 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
1889 (TARGET_SCHED): Use the new macros.
1891 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
1892 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
1893 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
1894 dfa_bubble): New members in gcc_target.sched.
1896 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
1897 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
1898 (insn_queue): Redefine it as pointer to array.
1899 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
1901 (max_insn_queue_index_macro_value): New variable.
1902 (curr_state, dfa_state_size, ready_try): New varaibles for
1903 automaton interface.
1904 (ready_element, ready_remove, max_issue): New function prototypes
1905 for automaton interface.
1906 (choose_ready): New function prototype.
1907 (insn_unit, blockage_range): Add comments.
1908 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
1909 FUNCTION_UNITS_SIZE == 0.
1910 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
1911 actual_hazard, potential_hazard): Add comments.
1912 (insn_cost): Use cost -1 as undefined value. Remove
1913 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
1915 (ready_element, ready_remove): New functions for automaton
1917 (schedule_insn): Add new code for automaton pipeline interface.
1918 (queue_to_ready): Add new code for automaton pipeline interface.
1919 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
1920 (debug_ready_list): Print newline when the queue is empty.
1921 (max_issue): New function for automaton pipeline interface.
1922 (choose_ready): New function.
1923 (schedule_block): Add new code for automaton pipeline interface.
1924 Print ready list before scheduling each insn.
1925 (sched_init): Add new code for automaton pipeline interface.
1926 Initiate insn cost by -1.
1927 (sched_finish): Free the current automaton state and finalize
1928 automaton pipeline interface.
1930 * sched-rgn.c: Include target.h.
1931 (init_ready_list, new_ready, debug_dependencies): Add new code for
1932 automaton pipeline interface.
1934 * sched-vis.c: Include target.h.
1935 (get_visual_tbl_length): Add code for automaton interface.
1936 (target_units, print_block_visualization): Add comments.
1938 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
1939 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
1940 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
1941 (getruntime.o, genautomata.o): New entries.
1942 (genattrtab.o): Add new dependency file genattrtab.h.
1943 (genattrtab): Add new dependencies. Link it with `libm.a'.
1944 (getruntime.o, hashtab.o): New entries for canadian cross.
1946 * doc/md.texi: Description of automaton based model.
1948 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
1950 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
1951 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
1952 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
1953 TARGET_SCHED_DFA_POST_CYCLE_INSN,
1954 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
1955 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
1956 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
1958 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
1959 MAX_DFA_ISSUE_RATE): New macro descriptions.
1961 * doc/contrib.texi: Add dfa based scheduler contribution.
1963 * doc/gcc.texi: Add more information about genattrtab.
1965 2001-08-27 Diego Novillo <dnovillo@redhat.com>
1967 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
1970 2001-08-27 Richard Henderson <rth@redhat.com>
1972 * function.c (expand_function_end): Don't init arg_pointer_save_area.
1973 (get_arg_pointer_save_area): New. Create an init it here.
1974 (fix_lexical_addr): Use it.
1975 * function.h: Declare it.
1976 * builtins.c (expand_builtin_setjmp_receiver): Use it.
1977 * stmt.c (expand_nl_goto_receiver): Use it.
1979 2001-08-27 Richard Henderson <rth@redhat.com>
1981 * final.c (final_scan_insn): Don't enter APP_ON mode for
1984 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
1985 alignment for assemble_integer for DW_EH_PE_aligned.
1986 * except.c (output_function_exception_table): Likewise.
1988 2001-08-26 Andreas Jaeger <aj@suse.de>
1990 * c-tree.h: Add prototyp for c_sizeof_nowarn.
1992 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
1994 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
1996 2001-08-27 Alan Modra <amodra@bigpond.net.au>
1998 * config/rs6000/rs6000.c (mask_operand): Rewrite without
2000 (mask64_operand): Likewise.
2001 (rldic_operand): Delete.
2002 (includes_lshift64_p): Delete.
2003 (includes_rldic_lshift_p): New function.
2004 (includes_rldicr_lshift_p): New function.
2005 (print_operand): Don't call rldic_operand in case 'W'.
2006 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
2007 (includes_lshift64_p): Remove.
2008 (includes_rldic_lshift_p): Declare.
2009 (includes_rldicr_lshift_p): Declare.
2010 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
2011 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
2012 Replace match_operand rldic_operand predicate with
2013 const_int_operand. Replace includes_lshift64_p condition with
2014 includes_rldic_lshift_p.
2015 <ashldi3_internal 64 bit rldicr patterns>: New.
2017 2001-08-27 Andreas Jaeger <aj@suse.de>
2019 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2020 * errors.c: Likewise.
2021 * final.c: Likewise.
2022 * dwarf2asm.c: Likewise.
2023 * doprint.c (checkit): Likewise.
2024 * diagnostic.c: Likewise.
2025 * collect2.c: Likewise.
2026 * calls.c: Likewise.
2027 * c-semantics.c (build_stmt): Likewise.
2028 * c-format.c (status_warning): Likewise.
2029 * c-errors.c (pedwarn_c99): Likewise.
2030 * builtins.c (validate_arglist): Likewise.
2031 * config/pj/pj.c (pj_printf): Likewise.
2032 * fix-header.c: Likewise.
2034 * gcov.c (fnotice): Likewise.
2035 * gensupport.c (message_with_line): Likewise.
2036 * mips-tfile.c: Likewise.
2037 * protoize.c (notice): Likewise.
2038 * read-rtl.c (fatal_with_file_and_line): Likewise.
2039 * rtl-error.c: Likewise.
2040 * tradcpp.c: Likewise.
2042 * cp/tree.c (build_min_nt): Likewise.
2043 (build_min): Likewise.
2044 * cp/lex.c: Likewise.
2045 * cp/errfn.c: Likewise.
2046 * cp/rtti.c (create_pseudo_type_info): Likewise.
2048 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
2050 * df.c (df_uses_record): Return after recording all uses
2053 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
2055 * df.c (df_insn_modify): Realloc the INSN table here, if
2056 necessary, here, too.
2058 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
2060 * config/mips/mips.c (mips_function_value): Handle complex return
2063 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
2065 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
2067 * reload.c (make_memloc): Copy result if it is still
2068 reg_equiv_memory_loc[regno] on return.
2069 (subst_reloads) [ENABLE_CHECKING]: Check that none of
2070 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
2071 reg_equiv_mem are modified by the substitutions.
2073 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2075 * predict.c (expensive_function_p): New.
2076 * rtl.h (expensive_function_p): Declare.
2077 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
2078 (use_fast_prologue_epilogue): New static variable.
2079 (expand_prologue): Set it; emit short prologues if unset.
2080 (expand_epilogue): Likewise.
2082 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2084 * config.gcc: Add stormy16-*-elf case.
2085 * config/stormy16/stormy-abi: New file.
2086 * config/stormy16/stormy16-lib2.c: New file.
2087 * config/stormy16/stormy16-protos.h: New file.
2088 * config/stormy16/stormy16.c: New file.
2089 * config/stormy16/stormy16.h: New file.
2090 * config/stormy16/stormy16.md: New file.
2091 * config/stormy16/t-stormy16: New file.
2093 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2095 * i386.h (no-accumulate-outgoing-args): Use proper mask.
2097 2001-08-24 David Edelsohn <edelsohn@gnu.org>
2099 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
2100 descriptor members are pointer size, not constant 4.
2101 * config/rs6000/rs6000.md (define_splits): Remove more unused
2104 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2106 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
2108 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
2110 * cp/rtti.c (VPARAMS): Fix parameter.
2112 2001-08-24 Zack Weinberg <zackw@panix.com>
2114 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
2116 (mode_for_extraction): No need for #ifdefs. Add default-case abort
2118 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
2119 in if controlling use of insv.
2120 (extract_bit_field): Likewise, for extv and extzv.
2122 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2124 * i386.md (movcc peep2): Fix load of 0.
2126 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2128 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
2129 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
2131 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
2133 * c-pragma.h: Move weak_syms and weak_decls...
2134 * varasm.c: ...here. Now static.
2135 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
2136 depend on HANDLE_PRAGMA_WEAK.
2138 * c-common.c (c_alignof, c_alignof_expr): Move here...
2139 * c-typeck.c: ...from here.
2140 * c-tree.h, c-common.h: Adjust.
2142 2001-08-23 Bernd Schmidt <bernds@redhat.com>
2144 * config/ia64/ia64.c (rws_update): If !pred, set write_count
2145 instead of incrementing it.
2147 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
2148 asm ready, don't try to move them all into the same array element.
2150 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2152 * function.c (thread_prologue_and_epilogue_insns): Avoid
2153 fallthru flag on edge to exit.
2155 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
2157 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
2160 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2162 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
2163 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
2164 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
2167 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2169 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
2170 replace "GNU CC" with "GCC".
2172 2001-08-23 Richard Henderson <rth@redhat.com>
2174 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
2175 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
2176 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
2177 Need GR between FR and not GR_AND_FR.
2178 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
2179 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
2180 AR regs before GR regs.
2181 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
2182 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
2183 (REGISTER_MOVE_COST): Update.
2184 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
2186 2001-08-23 Richard Henderson <rth@redhat.com>
2188 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
2191 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2193 * reload1.c (emit_reload_insns): Don't look for notes
2194 on a NULL store_insn.
2196 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2198 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
2199 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
2200 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
2201 format specifier warnings.
2202 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
2204 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
2206 * config/i386/i386-protos.h: Correct declaration of
2207 i386_pe_asm_named_section.
2209 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
2211 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
2213 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2215 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2217 * cpperror.c (print_location): Don't show _Pragma.
2218 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
2219 and file change callback generation here.
2220 (stack_include_file): Update use of cpp_push_buffer.
2221 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
2222 (struct cpp_buffer): Remove type, pfile members.
2223 * cppinit.c (cpp_handle_option): Use free_chain.
2224 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
2225 (skip_escaped_newlines, get_effective_char, lex_percent): Take
2226 a cpp_reader rather than a cpp_buffer.
2227 (skip_escaped_newlines, get_effective_char, skip_block_comment,
2228 skip_line_comment, parse_string, lex_percent, lex_dot,
2229 _cpp_lex_token): Update accordingly.
2230 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
2232 (cpp_push_buffer): Update prototype.
2233 (run_directive): Update use of cpp_push_buffer.
2234 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
2235 handle_assertion): Update use of run_directive.
2236 * cpplib.h (enum cpp_buffer_type): Remove.
2237 (cpp_push_buffer): Update prototype.
2238 * fix-header.c (read_scan_file): Update.
2240 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2242 * gcc.c (struct prefix_list): Change prefix to const char *.
2244 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2246 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
2248 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
2250 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
2253 * jump.c (squeeze_notes): Take parms by reference. Handle END being
2256 * ifcvt.c (dead_or_predicable): Adjust.
2257 * loop.c (find_and_verify_loops): Adjust.
2258 * stmt.c (expand_end_case): Adjust.
2259 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
2260 head and end insn pointers in the basic block, not just local copies.
2261 (merge_blocks_move_predecessor_nojumps): Likewise.
2263 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
2265 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
2266 bitmap.h, builtin-types.def, builtins.c, builtins.def,
2267 c-aux-info.c, c-common.c, c-common.def, c-common.h,
2268 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
2269 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
2270 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
2271 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
2272 conditions.h, config.gcc, configure.frag, configure.in,
2273 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
2274 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
2275 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
2276 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
2277 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
2278 emit-rtl.c, errors.c, errors.h, except.c, except.h,
2279 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
2280 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
2281 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
2282 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
2283 gencheck.c, gencodes.c, genconfig.c, genemit.c,
2284 genextract.c, genflags.c, gengenrtl.c, genmultilib,
2285 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
2286 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
2287 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
2288 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
2289 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
2290 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
2291 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
2292 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
2293 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
2294 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
2295 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
2296 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
2297 params.h, predict.c, predict.def, predict.h, prefix.c,
2298 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
2299 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
2300 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
2301 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
2302 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
2303 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
2304 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
2305 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
2306 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
2307 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
2308 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
2309 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
2310 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
2311 xcoffout.h: replace "GNU CC" with "GCC".
2313 2001-08-21 Richard Henderson <rth@redhat.com>
2315 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
2316 (final_scan_insn): Consider jump tables data even if we have no
2317 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
2319 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
2320 (ASM_OUTPUT_CASE_END): Remove.
2321 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
2322 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
2323 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
2325 2001-08-21 Richard Henderson <rth@redhat.com>
2327 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
2328 at barrier insns. Emit stop bits before barriers.
2330 * flow.c (flow_find_cross_jump): Don't consider unconditional
2331 return insns for commoning.
2333 * final.c (compute_alignments): Fix typo.
2335 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
2336 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
2337 (store_bit_field): Use mode_for_extraction more places.
2338 (extract_bit_field): Likewise.
2340 2001-08-21 Zack Weinberg <zackw@panix.com>
2342 * caller-save.c: Don't include insn-codes.h.
2343 (reg_save_code, reg_restore_code): Make arrays of int.
2344 All uses updated to match.
2345 (insert_save, insert_restore): No need to initialize "code"
2346 variable upon declaration.
2347 * Makefile.in: update dependencies; fix typo in clean rule.
2349 2001-08-21 Richard Henderson <rth@redhat.com>
2351 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
2352 (merge_if_block): Handle fallout from same.
2354 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2356 * builtins.c (type_to_class): Fix typo in last change.
2358 2001-08-21 Richard Henderson <rth@redhat.com>
2360 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
2361 ia64_asm_output_label.
2363 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
2364 copy of gp while the real gp register contains garbage.
2366 2001-08-21 Zack Weinberg <zackw@panix.com>
2368 * expmed.c (mode_for_extraction): New function.
2369 (store_bit_field, extract_bit_field): Use it.
2370 * expr.h: Prototype it and provide an enum for its first argument.
2372 * combine.c, function.c, recog.c: Don't include insn-codes.h.
2373 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
2374 and digging through the insn_data tables.
2375 * Makefile.in: Update dependencies.
2377 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2379 * cppfiles.c (stack_include_file): line-map.c now handles include
2381 (handle_missing_handler): Similarly.
2382 (_cpp_execute_include): Similarly.
2383 (_cpp_pop_file_buffer): Similarly.
2384 * cpphash.h (struct cpp_reader): Remove system_include_depth,
2385 buffer_stack_depth and include_depth.
2386 * cpplib.c (do_include_common): line-map.c now handles include depth.
2387 (cpp_push_buffer): Similarly.
2388 (_cpp_pop_buffer): Similarly.
2389 * cppmacro.c (builtin_macro): Update.
2390 * line-map.c (init_line_maps): Set depth.
2391 (add_line_map): Increment "used" earlier. Update and use the
2393 (trace_include): Use the include depth.
2394 * line-map.h (struct line_maps): New member depth.
2396 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2398 * cppfiles.c (stack_include_file): Don't handle -H here.
2399 * cppinit.c (cpp_start_read): Set include tracing after
2400 cpp_post_options and after stacking the main file.
2401 * line-map.c (trace_include): New.
2402 (init_line_maps, add_line_map): Update.
2403 * line-map.h (struct line_maps): New member trace_includes.
2405 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2407 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
2408 * cppfiles.c (stack_include_file): Only stack a file if there
2409 is something to do. Return a boolean indicating whether a
2410 buffer was stacked or not.
2411 (_cpp_execute_include): Similarly.
2412 (_cpp_read_file): Similarly.
2413 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
2415 2001-08-21 Sam Steingold <sds@gnu.org>
2417 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
2418 (RECACHE): keep obufp_before_macroname up to date
2420 2001-08-21 Zack Weinberg <zackw@panix.com>
2422 * stmt.c: Don't include insn-codes.h.
2423 (expand_end_case): Machine specific logic moved to expr.c.
2424 No need to worry about __builtin_classify_type.
2425 (check_for_full_enumeration_handling, emit_case_nodes):
2428 * builtins.o (expand_builtin_classify_type): Split up so code
2429 can be shared with fold_builtin_classify_type.
2430 (type_to_class, fold_builtin_classify_type): New functions.
2431 (fold_builtins): Handle __builtin_classify_type.
2433 * expr.c (do_tablejump): Now static.
2434 (case_values_threshold, try_casesi, try_tablejump): New;
2435 code mostly from stmt.c (expand_end_case).
2436 (expr.h): Update prototypes.
2438 * Makefile.in (stmt.o): Update dependencies.
2440 2001-08-21 Will Cohen <wcohen@redhat.com>
2442 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
2443 declaration of variable i.
2444 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
2445 declaration of variable i.
2447 2001-08-21 Richard Henderson <rth@redhat.com>
2449 * crtstuff.c: Fix thinko last change. Move list tails to start
2450 of CRT_END section. Tidy ifdefs.
2451 (__EH_FRAME_BEGIN__): Always static for ELF.
2452 (__do_global_ctors_1): Rename from __frame_dummy.
2453 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
2454 name change; don't hide __EH_FRAME_BEGIN__.
2456 2001-08-21 Richard Henderson <rth@redhat.com>
2458 * gdbinit.in: Move break on exit after break on fancy_abort.
2460 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
2463 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2465 * cpphash.h (_cpp_push_next_buffer): New.
2466 * cppinit.c (do_includes): Remove.
2467 (push_include, free_chain, _cpp_push_next_buffer): New.
2468 (cpp_start_read): Use them to rework command line option handling.
2469 (cpp_handle_option): Combine handling of -include and -imacros.
2470 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
2471 appropriate. Always insert missing \n at EOF.
2472 * cpplib.c (start_directive): Get the directive position right.
2473 * cppmain.c (cb_file_change): Always print the first line, unless
2476 2001-08-20 Andreas Jaeger <aj@suse.de>
2478 * profile.c (compute_branch_probabilities): Remove extra new-line
2480 * flow.c (verify_flow_info): Likewise.
2482 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2484 * basic-block.h (basic_block): Add new field 'flags'.
2485 (BB_REACHABLE): Define.
2486 (expunge_block): Declare.
2487 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
2488 (EXIT_BLOCK_PTR): Ditto.
2489 (expunge_block): Remove static declaration.
2490 (cleanup_cfg): Clear bb->aux on every basic block.
2491 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
2492 computing reachability.
2493 (delete_unreachable_blocks): Delete block b if b->flags has
2496 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2498 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
2500 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2502 * sparc.c (sparc_variable_issue): Fix typo in last change.
2504 2001-08-20 Richard Henderson <rth@redhat.com>
2506 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
2508 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
2510 * pa.h (RETURN_IN_MEMORY): Improve comment.
2512 2001-08-20 Janis Johnson <janis187@us.ibm.com>
2514 * doc/invoke.texi (Profiling options): Clarify the interactions
2515 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
2517 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
2519 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
2522 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2524 * gcc.c (make_relative_prefix): Allocate a sufficiently large
2527 2001-08-20 Richard Henderson <rth@redhat.com>
2529 * final.c (end_final): Fix typo last change.
2531 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
2533 * cppinit.c (init_standard_includes): The returned buffer
2534 is already malloc-ed.
2535 * gcc.c (add_prefix): Similarly.
2536 * prefix.c (translate_name): Update to support clear buffer
2538 (update_path): Similarly. Be sure to free any newly allocated
2539 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
2541 * prefix.h (update_path): Update prototype and document.
2542 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
2543 up and update to new buffer ownership rules.
2544 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
2546 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
2548 * final.c (compute_alignments): New function.
2549 (init_insn_lengths): Do not care label_align.
2550 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
2551 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
2552 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
2553 (shorted_branches): Realloc label_align array; do
2554 not call init_insn_lengths; Do not care about loop alignments.
2555 * output.h (compute_alignments): Declare.
2556 * toplev.c (rest_of_compilation): Call compute_alignments.
2557 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
2559 * predict.c (block_info_def): Add npredecesors, remove nvisited;
2560 change visited to tovisit.
2561 (propagate_freq): Use faster traversing algorithm.
2562 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
2563 to tovisit; reverse meaning.
2565 * predict.c (struct block_info_def): Remove nvisited.
2566 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
2567 (estimate_bb_frequencies): Call mark_dfs_back_edges.
2569 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
2571 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
2572 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
2573 (TARGET_FUSED_MADD): New.
2574 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
2575 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
2576 the multiply-add instructions.
2578 2001-08-19 Richard Henderson <rth@redhat.com>
2580 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
2581 is aligned to pointer size.
2583 2001-08-19 Richard Henderson <rth@redhat.com>
2585 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
2586 display markers during final schedule.
2588 2001-08-19 Richard Henderson <rth@redhat.com>
2590 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
2592 2001-08-19 Richard Henderson <rth@redhat.com>
2594 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
2596 (ASM_NAME_TO_STRING): Remove.
2597 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
2598 in the same string. Remove support for expressions.
2600 2001-08-19 Richard Henderson <rth@redhat.com>
2602 * config/i386/i386.md (tablejump): Make an expander; handle
2603 pic relative addressing here.
2604 (tablejump_1): Rename from tablejump_pic.
2607 2001-08-19 Richard Henderson <rth@redhat.com>
2609 * regclass.c (fix_register): Fix typo.
2611 2001-08-18 Richard Henderson <rth@redhat.com>
2613 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
2614 (struct _Unwind_Context): Expand br_loc to hold it.
2615 (uw_frame_state_for): Handle leaf functions better.
2616 (uw_update_reg_address): Update for br_loc change.
2618 2001-08-18 Richard Henderson <rth@redhat.com>
2620 * crtstuff.c: Move list heads before code that uses them.
2621 (__JCR_LIST__): Remove initial null.
2622 (frame_dummy, __frame_dummy): Do java registration here ...
2623 (__do_global_ctors_aux): ... not here.
2625 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
2626 (__do_global_dtors_aux): Update to match.
2627 (__JCR_LIST__, __do_jv_register_classes): New.
2629 * config/ia64/crtend.asm (__JCR_END__): New.
2630 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
2631 instead of an indirect LTOFF22 reloc.
2633 2001-08-18 Richard Henderson <rth@redhat.com>
2635 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
2636 * regclass.c (init_reg_sets_1): Fix typo.
2637 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
2638 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
2639 (ia64_compute_frame_size): Make ar.unat live when in use.
2640 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
2641 for ar.pfs; remove ar.unat handling.
2642 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
2644 (PREDICATE_CODES): Add ar_pfs_reg_operand.
2645 * config/ia64/ia64-protos.h: Update decls.
2646 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
2647 (sibcall_pic): Likewise.
2649 2001-08-18 Richard Henderson <rth@redhat.com>
2651 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
2652 pred_rel_mutex when searching for insn_group_barrier.
2653 * config/ia64/ia64.md (cycle_display): Combine the expander
2656 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
2657 bit before asm as needed.
2659 2001-08-18 Richard Henderson <rth@redhat.com>
2661 * timevar.def (TV_MACH_DEP): New.
2662 * toplev.c (rest_of_compilation): Use it.
2663 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
2665 2001-08-18 Zack Weinberg <zackw@panix.com>
2667 * unwind-dw2.c (execute_stack_op): Add default aborts to
2668 the inner switches to prevent warnings.
2670 2001-08-18 Richard Henderson <rth@redhat.com>
2672 * timevar.h (struct timevar_time_def): Change element type to float.
2673 (ticks_to_msec, clocks_to_msec): Likewise.
2674 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
2675 (get_time): Likewise.
2676 (timevar_print): Adjust zero check and printing to match.
2678 2001-08-18 Zack Weinberg <zackw@panix.com>
2680 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
2681 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
2682 Eliminate overfull or underfull hboxes.
2684 2001-08-18 Zack Weinberg <zackw@panix.com>
2686 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2688 2001-08-18 Zack Weinberg <zackw@panix.com>
2690 * haifa-sched.c: Convert to target hooks. Macros replaced
2691 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
2692 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
2693 MD_SCHED_FINISH, and HAVE_cycle_display.
2694 * target-def.h (TARGET_SCHED_ADJUST_COST,
2695 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
2696 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
2697 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
2698 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
2699 New hook #defines to be overridden.
2700 (TARGET_SCHED): Bring them all together.
2701 (TARGET_INITIALIZER): Update.
2702 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
2703 instead of 'struct rtx_def *' throughout.
2704 (struct sched): New set of hooks for the scheduler.
2705 * Makefile.in (haifa-sched.o): Depend on target.h.
2706 * doc/tm.texi: Document the new scheduler hooks, together in
2707 their own section, instead of scattered around.
2708 Fix a bunch of underfull/overfull hboxes.
2710 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
2711 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
2712 sparc.h: Don't define any of the old scheduler macros.
2714 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
2715 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
2716 sparc.c: Create hook functions from code extracted from
2717 corresponding target header, or make existing hooks static, as
2718 appropriate. Set the appropriate entries in targetm.
2720 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
2721 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
2722 rs6000-protos.h, s390-protos.h, sparc-protos.h:
2723 Remove prototypes for functions which are now static.
2725 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
2726 related gunk; the Haifa scheduler is now the only choice.
2728 2001-08-18 Zack Weinberg <zackw@panix.com>
2730 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
2731 * genopinit.c: Put floating point divide insns in sdiv_optab.
2732 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
2733 * config/gofast.h, config/c4x/c4x.h,
2734 config/ia64/hpux_longdouble.h, config/mips/mips.h,
2735 config/pa/long_double.h, config/rs6000/sysv4.h,
2736 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
2737 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
2738 (init_optabs): Use init_optabv for overflow-trapping optabs.
2739 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
2740 cmp_optab RTX codes so have_insn_for can find them.
2742 * optabs.c (expand_simple_binop, expand_simple_unop,
2743 have_insn_for, gen_sub3_insn): New interfaces.
2744 * expr.h: Prototype new functions.
2745 (enum optab_methods): Move here from optabs.h.
2747 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
2748 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
2749 Use new functions instead of working directly with optabs.
2750 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
2751 unroll.c: Don't include optabs.h.
2752 * caller-save.c, combine.c, function.c, stmt.c: Just include
2753 insn-codes.h, not optabs.h.
2754 * Makefile.in: Update dependencies.
2756 * combine.c (make_compound_operation, simplify_comparison):
2757 Fix typos testing for this or that instruction.
2759 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2761 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
2762 generating libgcc.a.
2764 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2766 * except.c (TYPE_HASH): Delete.
2768 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
2771 * tree.c (TYPE_HASH): Delete.
2773 * tree.h (TYPE_HASH): Define.
2775 2001-08-18 Graham Stott <grahams@redhat.com>
2777 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
2779 (adddi3_internal_2+2): Likewise.
2780 (eh_set_lr_di+1): Likewise.
2782 2001-08-17 Richard Henderson <rth@redhat.com>
2784 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2785 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
2786 * dwarf2asm.c: ... here.
2787 * dwarfout.c: Remove them.
2789 * varasm.c (assemble_integer): Add align parameter.
2790 (assemble_real, output_constant, output_constructor): Likewise.
2791 * output.h: Update decls.
2792 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
2793 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
2794 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
2795 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
2796 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
2799 * final.c (end_final): Abort profile block generation if we
2800 havn't layed it out properly.
2801 * output.h (assemble_eh_integer): Remove stale decl.
2802 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
2804 (assemble_integer): Handle unaligned data.
2805 (assemble_real): Abort on unaligned data.
2806 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
2808 (default_dtor_section_asm_out_destructor): Use assemble_align.
2809 (default_named_section_asm_out_constructor): Likewise.
2810 (default_ctor_section_asm_out_constructor): Likewise.
2811 * config/darwin.c (machopic_asm_out_constructor): Likewise.
2812 (machopic_asm_out_destructor): Likewise.
2813 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
2814 (nextstep_asm_out_destructor): Likewise.
2815 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
2816 (vms_asm_out_destructor): Likewise.
2818 2001-08-17 Richard Henderson <rth@redhat.com>
2820 * config/mips/iris6.h (TARGET_IRIX6): New.
2821 (current_section_name, current_section_flags): New.
2822 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
2823 (MAX_OFILE_ALIGNMENT): New.
2824 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
2825 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
2826 (copy_file_data): Split out from
2827 (mips_asm_file_end): ... here.
2828 (mips_asm_file_start): Remove extra .section directive. Use
2829 tmpfile instead of mips_make_temp_file.
2830 (mips_unique_section): Use const char * as needed for warnings.
2831 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
2832 re-add align parameter.
2833 (iris6_asm_named_section): New.
2834 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
2835 (iris6_asm_output_align, iris6_section_align_1): New.
2836 (iris6_asm_file_start, iris6_asm_file_end): New.
2837 * config/mips/mips-protos.h: Update decls.
2839 2001-08-17 Janis Johnson <janis187@us.ibm.com>
2841 * doc/install.texi (Install GCC): Add links to build status pages.
2843 (Final install): Ditto; request updates for specific info
2845 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
2847 * cpperror.c (print_location): Don't take a file name; use the
2849 (_cpp_begin_message): Similarly.
2850 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
2851 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
2852 (cpp_pedwarn_with_file_and_line): Remove.
2853 * cppfiles.c (stack_include_file): Update; set filename to stdin
2854 here when appropriate.
2855 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
2856 (_cpp_begin_message): Don't take a file name.
2857 * cppinit.c: Add comment.
2858 * cpplex.c: Fix end-of-directive indicator.
2859 * cpplib.c: Don't include intl.h.
2860 (run_directive, do_diagnostic): Update.
2861 (do_line): Update to not use nominal_fname.
2862 (cpp_push_buffer): Don't take a filename.
2863 * cpplib.h (struct ht): Remove.
2864 (cpp_push_buffer): Don't take a filename.
2865 (cpp_pedwarn_with_file_and_line): Remove.
2866 * cppmacro.c (struct cpp_macro): Remove file.
2867 (builtin_macro): Update.
2868 (_cpp_create_definition): Update.
2869 * cppmain.c: Correct comment.
2870 * fix-header.c (read_scan_file): Update.
2872 2001-08-17 Kazu Hirata <kazu@hxi.com>
2874 * sbitmap.c: Fix comment formatting.
2875 * sched-deps.c: Likewise.
2876 * sibcall.c: Likewise.
2877 * simplify-rtx.c: Likewise.
2879 * ssa-ccp.c: Likewise.
2880 * stor-layout.c: Likewise.
2881 * timevar.c: Likewise.
2882 * toplev.c: Likewise.
2883 * unwind-dw2.c: Likewise.
2884 * unwind-dw2-fde.c: Likewise.
2885 * varasm.c: Likewise.
2887 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
2889 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
2890 or larger than an integer in memory.
2892 2001-08-17 Zack Weinberg <zackw@panix.com>
2894 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
2895 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
2896 * rtl.h: Don't forward-declare union tree_node here. Don't
2897 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
2898 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
2899 and tree respectively.
2900 * tree.h: Don't forward-declare struct rtx_def here. Don't
2901 typedef tree here. Change all uses of struct rtx_def *,
2902 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
2903 and tree respectively.
2905 2001-08-17 Richard Henderson <rth@redhat.com>
2907 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
2908 config/mips/openbsd.h: Fix typos last change.
2910 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2912 * doc/invoke.texi (Optimize Options): The default for
2913 -finline-limit is 600.
2915 2001-08-17 Richard Henderson <rth@redhat.com>
2917 * varasm.c (text_section): Allow TEXT_SECTION to override the
2918 printing of TEXT_SECTION_ASM_OP.
2919 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
2920 (DATA_SECTION, BSS_SECTION): Remove.
2921 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
2922 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
2923 Rename from s/_NAME//.
2924 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
2925 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
2926 (TEXT_SECTION): ... here. New.
2927 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
2928 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
2929 * config/mips/openbsd.h: Likewise.
2930 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
2931 (mips_asm_file_end): Likewise test.
2932 (mips_output_function_epilogue): Likewise. Switch back to data
2933 section after emitting the function.
2935 * doc/tm.texi (Sections): Document TEXT_SECTION.
2937 2001-08-17 Richard Henderson <rth@redhat.com>
2939 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
2940 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
2942 2001-08-17 Richard Henderson <rth@redhat.com>
2944 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
2945 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
2946 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
2947 Add aligned attribute.
2949 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
2951 * config/sh/sh.md: Add modes to unspecs in first insn to match
2952 those in the second.
2954 * Makefile.in: Fix collect2 copy for Cygwin.
2956 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2958 Install the proper patch.
2959 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
2960 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
2961 (expand_function_start): Likewise.
2962 * stmt.c (expand_decl): Likewise.
2963 * varasm.c (make_decl_rtx): Likewise.
2965 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2967 * final.c: Undo my previous accidental checkin.
2968 * output.h: Likewise.
2969 * tm.texi: Likewise.
2971 2001-08-16 Richard Henderson <rth@redhat.com>
2973 * varasm.c (named_section_flags): Remove align parameter.
2974 * varasm.c, dwarf2out.c: Update all callers.
2975 * output.h: Update prototypes.
2977 * target.h (target.asm_out.named_section): Remove align parameter.
2978 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
2979 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
2980 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
2981 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
2982 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
2984 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
2985 (get_named_section_flags, set_named_section_flags): New.
2986 (named_section_flags): Use them.
2987 (named_section): Do decl vs section flags check here...
2988 (default_section_type_flags): ... not here.
2989 (init_varasm_once): Create in_named_htab.
2990 (resolve_unique_section): Mark reloc unused.
2992 2001-08-16 Richard Henderson <rth@redhat.com>
2994 * varasm.c (force_const_mem): Keep pool alignment in bits.
2995 (output_constant_pool): Use assemble_align.
2997 2001-08-16 Zack Weinberg <zackw@panix.com>
2999 * doc/tm.texi: Remove extra @table command.
3001 2001-08-16 Zack Weinberg <zackw@panix.com>
3003 * final.c (shorten_branches): Clear the end of the label_align
3004 array only if we made it larger. Break up messy expressions
3007 * diagnostic.c (internal_error): Check for error recursion
3008 before doing ICE suppression.
3010 * timevar.c: Timing variables now count in milliseconds.
3011 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
3012 (get_time): Not here.
3013 (timevar_print): Don't print any timer whose user, cpu, and
3014 wall times are all zero as displayed.
3015 * timevar.h: Update comment aboout units. Make timevar
3018 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3020 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3021 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3022 (expand_function_start): Likewise.
3023 * stmt.c (expand_decl): Likewise.
3024 * varasm.c (make_decl_rtx): Likewise.
3026 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
3028 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
3029 (finalize_record_size): Don't set TYPE_USER_ALIGN.
3031 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3033 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
3036 2001-08-16 Andreas Jaeger <aj@suse.de>
3038 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
3041 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
3043 * rtl.h (only_sets_cc0_p): New prototype.
3044 * jump.c (sets_cc0_p): Handle INSN.
3045 (only_sets_cc0_p): New function.
3046 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
3047 (tidy_fallthru_edge): Likewise.
3048 * integrate.c (copy_insn_list): Likewise.
3049 * unroll.c (unroll_loop): Likewise.
3050 (copy_loop_body): Likewise.
3052 2001-08-15 Jason Eckhardt <jle@redhat.com>
3054 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
3056 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3058 * predict.c (struct block_info_def): Remove nvisited.
3059 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3060 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3062 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
3063 (ix86_adjust_cost): Teach scheduler that latency to load operand can
3066 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3068 * predict.def: Update hitrates.
3070 2001-08-15 Richard Henderson <rth@redhat.com>
3072 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
3074 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
3076 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
3077 note from its associated jump.
3079 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3081 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
3082 also on 64-bit s390x targets.
3084 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
3086 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
3088 (arm_expand_prologue): Handled nested functions which take a
3089 variable argument list.
3090 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
3091 macro with an invocation of
3092 arm_compute_initial_elimination_offset.
3093 * config/arm/arm-protos.h: Prototype
3094 arm_compute_initial_elimination_offset.
3096 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3098 * doc/install.texi (Specific, avr): Fix markup.
3099 (Specific, c4x): Ditto.
3101 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3103 * predict.c (dump_prediction): Change `bool' parameter to `int'.
3105 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
3107 * Makefile.in (OBJS): Add rtl-error.o
3108 (rtl-error.o): New rule.
3109 (diagnostic.o): Adjust dependency.
3110 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
3111 error_for_asm, _fatal_insn, _fatal_insn_not_found,
3112 warning_for_asm): Move to...
3113 rtl-error.c: ...here. New file.
3115 2001-08-14 Richard Henderson <rth@redhat.com>
3117 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
3118 if USING_SJLJ_EXCEPTIONS.
3120 2001-08-14 Steve Ellcey <sje@cup.hp.com>
3122 * tlink.c (scan_linker_output): Check string for unsatisfied in
3123 addition to undefined and unresolved.
3125 2001-08-14 Graham Stott <grahams@redhat.com>
3127 * libgcc2.c (*): Replace EH_FRAME_SECTION with
3128 EH_FRAME_SECTION_NAME.
3130 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
3132 * genattrtab.c (simplify_test_exp_in_temp): New function.
3133 (simplify_test_exp): Avoid explicit use of temporary obstack.
3134 (simplify_cond, insert_right_side, evaluate_eq_attr,
3135 simplify_and_tree, simplify_or_tree, eliminate_known_true):
3136 Use simplify_test_exp_in_temp.
3137 (optimize_attrs): Iterate until expression stabilizes.
3139 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
3141 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
3142 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
3144 2001-08-13 Richard Henderson <rth@redhat.com>
3146 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
3147 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
3148 * config/arm/conix-elf.h: Likewise.
3150 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3152 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
3154 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
3156 * gcse.c (hash_scan_set): Expressions that are set as part of
3157 jump instructions are not available.
3159 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3161 * config/s390/s390.c (print_operand, s390_function_prologue,
3162 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
3164 2001-08-13 Richard Henderson <rth@redhat.com>
3166 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
3167 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
3168 * doc/tm.texi (Exception Region Output): Document it.
3170 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3172 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
3173 DWARF2 instead of stabs by default.
3175 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3177 * config/rs6000/rs6000.c: Include optabs.h.
3179 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3181 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
3182 save/restore routines.
3183 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
3185 2001-08-13 Andreas Jaeger <aj@suse.de>
3187 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
3188 the english is correct.
3190 2001-08-13 Zack Weinberg <zackw@panix.com>
3192 * expr.h: Split out optab- and libfunc-related code to...
3193 * optabs.h, libfuncs.h: ... these new headers.
3195 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
3197 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
3199 * mkconfig.sh: Don't include insn-codes.h from config.h.
3201 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
3202 enum insn_code is available. Move reload_in_optab and
3203 reload_out_optab array declarations to optabs.h.
3204 * regmove.c (gen_add3_insn): Move to optabs.c, export from
3205 there, prototype in expr.h.
3206 * gencodes.c: Cleanup: zap global variables, don't use
3207 printf where puts will do, don't bother defining MAX_INSN_CODE
3208 which nothing uses, let CODE_FOR_nothing get its value implicitly.
3210 * genemit.c, genopinit.c: Include optabs.h in generated file.
3211 * genoutput.c: Include insn-codes.h in generated file.
3212 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
3213 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
3214 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
3215 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
3216 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
3217 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
3219 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
3220 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
3221 config/m88k/m88k.c, config/sparc/sparc.c:
3223 * reload.c: Include expr.h and optabs.h before reload.h.
3224 * config/alpha/alpha.c: Include tree.h before reload.h.
3225 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
3226 and reload.h in that order.
3227 * config/sparc/sparc.c: Include debug.h.
3228 * recog.c: Include insn-codes.h.
3230 2001-08-13 Andreas Jaeger <aj@suse.de>
3232 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
3235 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3237 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
3238 * gcc.c (init_spec): Fix typo in comment.
3239 * varasm.c (data_section): Fix typo in comment.
3241 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3243 * predict.c (dump_prediction): New argument "USED".
3244 (combine_predictions_for_insn): Determine the used heuristics,
3245 output the case no heuristic applied.
3246 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
3248 2001-08-13 Andreas Jaeger <aj@suse.de>
3250 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
3253 2001-08-13 Kazu Hirata <kazu@hxi.com>
3255 * jump.c: Fix formatting.
3257 2001-08-13 Kazu Hirata <kazu@hxi.com>
3259 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
3262 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
3264 * loop.c (check_dbra_loop): Use condjump_label to compute
3267 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
3268 to better document the files they're in.
3270 2001-08-12 Zack Weinberg <zackw@panix.com>
3272 * recog.h (struct insn_operand_data): Shrink 'mode' field
3275 2001-08-12 Kazu Hirata <kazu@hxi.com>
3277 * gcc.c: Fix comment formatting.
3278 * gccspec.c: Likewise.
3281 * genemit.c: Likewise.
3282 * gengenrtl.c: Likewise.
3283 * genrecog.c: Likewise.
3284 * gensupport.c: Likewise.
3285 * ggc-page.c: Likewise.
3286 * global.c: Likewise.
3287 * graph.c: Likewise.
3288 * ifcvt.c: Likewise.
3289 * integrate.c: Likewise.
3291 * libgcc2.c: Likewise.
3293 * mbchar.c: Likewise.
3294 * optabs.c: Likewise.
3295 * predict.c: Likewise.
3296 * prefix.c: Likewise.
3297 * profile.c: Likewise.
3298 * protoize.c: Likewise.
3300 * recog.c: Likewise.
3301 * regclass.c: Likewise.
3302 * regmove.c: Likewise.
3303 * reg-stack.c: Likewise.
3304 * reload1.c: Likewise.
3305 * resource.c: Likewise.
3306 * rtlanal.c: Likewise.
3309 2001-08-12 Kazu Hirata <kazu@hxi.com>
3311 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
3312 a tree representing a constant is passed to the macro.
3314 2001-08-12 Richard Henderson <rth@redhat.com>
3316 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
3317 (rs6000_elf_asm_out_destructor): New.
3318 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
3319 (DTORS_SECTION_ASM_OP): Remove.
3320 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3321 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
3323 2001-08-12 David Edelsohn <edelsohn@gnu.org>
3326 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3327 * gcc.c (set_collect_gcc_options): New function, split out from
3329 Ignore elided switches.
3330 (do_spec_1): Invoke before executing command.
3331 (set_input): Export.
3332 Move declaration ...
3333 * gcc.h (set_input): ... here.
3334 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3337 2001-08-12 Richard Henderson <rth@redhat.com>
3339 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
3340 thinko wrt TARGET_RELOCATABLE.
3342 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
3344 * fix-header.c (cb_file_change): Update prototype.
3346 2001-08-11 Zack Weinberg <zackw@panix.com>
3348 * toplev.c (set_float_handler): Make static.
3349 * toplev.h: Don't prototype set_float_handler.
3351 * simplify-rtx.c: Don't include setjmp.h.
3352 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
3354 (simplify_unary_operation, simplify_binary_operation): Use them,
3355 via do_float_handler.
3357 * fold-const.c: Don't include setjmp.h.
3358 (exact_real_inverse_1): New function.
3359 (exact_real_inverse): Use it, via do_float_handler.
3361 * varasm.c: Don't include setjmp.h.
3362 (assemble_real_1): New function.
3363 (assemble_real): Use it, via do_float_handler.
3364 Call internal_error if we get a trap here.
3366 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
3367 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
3369 2001-08-11 Zack Weinberg <zackw@panix.com>
3371 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
3372 STACK_BOUNDARY if not already defined.
3374 * calls.c, function.c, reload1.c, explow.c: Don't default
3375 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
3376 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
3378 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
3381 * doc/tm.texi: Document that STACK_BOUNDARY is required;
3382 clarify difference between it and PREFERRED_STACK_BOUNDARY.
3384 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3386 * cppmacro.c (enter_macro_context): Push macro expansions even
3389 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3391 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
3392 (rs6000_elf_section_type_flags): Actually return a value.
3394 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3396 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
3397 Clean up code: add missing comments and prototypes, fix warnings,
3398 remove obsolete code, fix spacing to conform to coding style.
3400 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3402 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
3403 and TARGET_ASM_CLOSE_PAREN.
3404 (regclass_map): CC register belongs to class NO_REGS.
3405 (legitimize_pic_address): Don't generate unnecessary moves
3406 (to avoid confusing loop optimization).
3407 (check_and_change_labels): Replace jump_long by indirect_jump.
3408 (s390_final_chunkify): Don't start a new literal pool on section
3409 switch in 64-bit code.
3410 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
3412 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
3413 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
3414 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
3416 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
3417 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
3418 (CONST_COSTS): Fixed incorrect costs.
3420 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
3421 Use emit_jump instead of emit_jump_insn (gen_jump).
3422 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
3423 (to avoid confusing flow analysis).
3424 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
3425 (casesi, casesi_jump): New.
3426 (jump_long): Removed. Functionality merged into indirect_jump.
3427 (indirect_jump): Accept address_operand, not just register_operand.
3428 (cjump_long, icjump_long): Use same logic as indirect_jump.
3429 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
3430 Fixed broken setjmp/longjmp handling.
3431 (do_builtin_setjmp_setup): Removed.
3433 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
3434 broken GNU as versions that don't accept .quad with large
3435 negative values. Use hexadecimal output instead.
3436 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
3437 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
3438 FUNCTION_EPILOGUE): Removed. Now in targetm.
3440 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
3442 * config/s390/fixdfdi.h: Add missing copyright statement.
3443 Fix type conflicts on 64-bit. Add missing SFmode routines.
3445 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
3448 2001-08-11 Richard Henderson <rth@redhat.com>
3450 * rtl.h (REG_EH_RETHROW): Remove.
3451 * rtl.c (reg_note_name): Update.
3452 * combine.c (distribute_notes): Don't check for it.
3454 2001-08-11 Richard Henderson <rth@redhat.com>
3456 * combine.c (distribute_notes): Place REG_SETJMP.
3458 2001-08-11 Richard Henderson <rth@redhat.com>
3460 * doc/extend.texi (Arrays and pointers implementation): Discourage
3461 relying on sign-extension of pointers.
3463 2001-08-11 H.J. Lu <hjl@gnu.org>
3465 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
3467 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
3468 RDATA_SECTION_ASM_OP.
3470 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3472 * doc/install.texi (Specific, c4x): Fix cross-reference to the
3473 main manual to work both for info and HTML versions.
3475 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3476 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3478 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
3479 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
3480 (struct cpp_pool): New member first.
3481 * cppinit.c (append_include_chain): Plug memory leaks.
3482 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
3483 Allocate pragma structures from the (aligned) macro pool to
3484 avoid leaking memory.
3485 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
3486 so we don't leak memory.
3487 * hashtable.c (ht_destroy): New.
3488 * hashtable.h (ht_destroy): New.
3490 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3491 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3493 * c-lex.c (map): Make const.
3494 (cb_file_change): Update for callback passing a line map.
3495 Don't assume we have a previous map. Remove sanity check
3496 about popping too many files.
3497 * cpperror.c (print_location): Make map const.
3498 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
3499 (cpp_make_system_header): Similarly.
3500 (search_from): Similarly.
3501 (_cpp_execute_include): Don't remember where we came from.
3502 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
3503 (struct cpp_reader): Make map const.
3504 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
3505 * cpplib.c (do_line): Update; line maps now hold sysp.
3506 (cpp_push_buffer): Similarly.
3507 (_cpp_do_file_change): Similarly; callback with map instead.
3508 (cpp_get_line_maps): Constify return value.
3509 (_cpp_pop_buffer): Update.
3510 * cpplib.h (struct cpp_file_change): Remove.
3511 (struct cpp_callbacks): Update.
3512 (cpp_get_line_maps): Constify return value.
3513 * cppmacro.c (_cpp_create_definition): Update.
3514 * cppmain.c (struct printer): Constify map.
3515 (maybe_print_line): Similarly.
3516 (print_line): Similarly. Deduce flags 1 and 2 here.
3517 (cb_file_change): Update.
3518 * line-map.c (free_line_maps): Warn regardless.
3519 (add_line_map): Return pointer to const. When passed NULL to_file
3520 with LC_LEAVE, use the obvious values for the return point so the
3521 caller doesn't have to figure them out.
3522 (lookup_line): Return pointer to const.
3523 (print_containing_files): Take pointer to const.
3524 * line-map.h (struct line_map): New members reason, sysp.
3525 (add_line_map): Return pointer to const.
3526 (lookup_line): Similarly.
3527 (print_containing_files): Take pointer to const.
3529 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
3530 Richard Henderson <rth@redhat.com>
3532 * regmove.c (regmove_optimize): Avoid setting a register twice in
3535 2001-08-10 Richard Henderson <rth@redhat.com>
3537 * doc/extend.texi (Arrays and pointers implementation): Document
3538 behavior of pointer/integer conversion.
3540 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
3542 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
3544 2001-08-10 Richard Henderson <rth@redhat.com>
3546 * doc/extend.texi (C Implementation): New chapter.
3547 * doc/gcc.texi (Top): Link it in.
3549 2001-08-10 Andrew Cagney <ac131313@redhat.com>
3551 * doc/install.texi (Specific): Fix CVS merge botch.
3553 2001-08-10 Richard Henderson <rth@redhat.com>
3555 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
3556 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
3558 2001-08-10 Zack Weinberg <zackw@stanford.edu>
3560 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
3561 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
3562 this macro is now required.
3564 * cselib.c (cselib_process_insn), flow.c (propagate_block),
3565 loop.c (find_and_verify_loops), reload.c (reload): Check
3566 for rtx code of CALL_INSN, not CALL, when deciding if we
3567 need to check for REG_SETJMP note.
3569 * gcse.c (compute_hash_table, compute_store_table): Update
3570 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
3573 * config/avr/avr.c: Fix typo.
3574 * config/convex/convex.c (expand_movstr): Use adjust_address.
3575 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
3577 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
3578 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
3580 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
3581 Do define STACK_BOUNDARY.
3582 * config/i370/i370.c: Include expr.h.
3583 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
3584 config/pa/som.h, config/v850/v850.h: Take in_ctors and
3585 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
3586 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
3587 * config/m88k/m88k.c: Include c-tree.h after expr.h.
3588 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
3589 * config/romp/romp.c: Include expr.h after tree.h.
3591 (output_fpop): Use xmalloc, not oballoc.
3592 * config/we32k/we32k.c: Include expr.h.
3594 2001-08-10 Kazu Hirata <kazu@hxi.com>
3596 * config/h8300/h8300.h: Fix formatting.
3598 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
3600 * c-common.h (RETURN_NULLIFIED_P): Lose.
3601 * c-semantics.c (genrtl_return_stmt): Don't check it.
3603 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3605 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
3606 (mips_annotate_frame_insn): New function.
3607 (mips_emit_frame_related_store): New function.
3608 (save_restore_insns): Don't mark instructions that set up the base
3609 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
3610 the store instructions instead.
3611 (mips_expand_prologue): If the stack size is moved into a temporary
3612 register, do not mark that move as frame-related. Add a
3613 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
3615 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3617 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
3618 stack slot as unchanging if current_function_calls_eh_return.
3620 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3622 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
3623 access the second half of the TFmode scratch operand.
3625 2001-08-10 Anthony Green <green@redhat.com>
3627 * java/class.c (emit_register_classes): Conditionalize code on
3630 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3632 * doc/install.texi (Specific, avr): Fix cross-reference to the
3633 main manual to work both for info and HTML versions.
3635 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3637 * stmt.c (expand_null_return_1): Remove code to generate simple returns
3638 and "use_goto" argument.
3639 (expand_null_return, expand_value_return): Update all callers.
3640 * function.c (expand_function_end): Remove code to generate simple
3642 * config/vax/vax.md (epilogue): New expander for function return.
3643 * doc/md.texi (epilogue): Remove "if defined".
3645 2001-08-09 Zack Weinberg <zackw@stanford.edu>
3647 * Makefile.in: Partially revert my previous change:
3648 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
3649 of the hashtab.o and safe-ctype.o rules.
3651 2001-08-09 Richard Henderson <rth@redhat.com>
3653 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
3654 (USE_COLLECT2): Remove duplicate definition.
3655 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
3656 (use_collect2): Remove dead code.
3657 * configure.in (use_collect2): Remove will_use_collect2 and
3658 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
3659 * configure: Rebuild.
3661 * target.h (targetm.asm_out.constructor): New.
3662 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
3663 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
3664 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
3665 * varasm.c (in_ctors, in_dtors): New.
3666 (assemble_constructor, assemble_destructor): Remove.
3667 (default_stabs_asm_out_destructor): New.
3668 (default_named_section_asm_out_destructor): New.
3669 (dtors_section, default_dtor_section_asm_out_destructor): New.
3670 (default_stabs_asm_out_constructor): New.
3671 (default_named_section_asm_out_constructor): New.
3672 (ctors_section, default_ctor_section_asm_out_constructor): New.
3673 * output.h: Update declarations.
3674 * c-decl.c (c_expand_body): Use target hooks instead of
3675 assemble_constructor and assemble_destructor.
3676 * profile.c (output_func_start_profiler): Likewise.
3677 * objc/objc-act.c (finish_objc): Likewise.
3678 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
3679 for the constructor.
3680 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
3682 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
3683 (DTORS_SECTION_ASM_OP): Likewise.
3684 (__CTOR_LIST__): Use attribute section when possible.
3685 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
3687 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
3688 ASM_OUTPUT_CONSTRUCTOR.
3690 * config/darwin.c (machopic_asm_out_constructor): New.
3691 (machopic_asm_out_destructor): New.
3692 * config/darwin-protos.h: Update declarations.
3693 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3694 (ASM_OUTPUT_DESTRUCTOR): Remove.
3695 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3696 * config/nextstep.c (nextstep_asm_out_constructor): New.
3697 (nextstep_asm_out_destructor): New.
3698 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3699 (ASM_OUTPUT_DESTRUCTOR): Remove.
3700 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3701 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
3702 ASM_OUTPUT_*STRUCTOR.
3703 * config/i386/aix386ng.h: Likewise.
3705 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
3706 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
3707 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
3708 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3709 * config/lynx.h: Likewise.
3710 * config/netware.h: Likewise.
3711 * config/psos.h: Likewise.
3712 * config/alpha/alpha-interix.h: Likewise.
3713 * config/alpha/elf.h: Likewise.
3714 * config/arc/arc.h: Likewise.
3715 * config/arm/aof.h: Likewise.
3716 * config/arm/coff.h: Likewise.
3717 * config/arm/elf.h: Likewise.
3718 * config/c4x/c4x.h: Likewise.
3719 * config/h8300/h8300.h: Likewise.
3720 * config/i386/cygwin.h: Likewise.
3721 * config/i386/djgpp.h: Likewise.
3722 * config/i386/i386-coff.h: Likewise.
3723 * config/i386/i386-interix.h: Likewise.
3724 * config/i386/sco5.h: Likewise.
3725 * config/i386/vsta.h: Likewise.
3726 * config/i386/win32.h: Likewise.
3727 * config/i960/i960-coff.h: Likewise.
3728 * config/ia64/sysv4.h: Likewise.
3729 * config/m68hc11/m68hc11.h: Likewise.
3730 * config/m68k/coff.h: Likewise.
3731 * config/m68k/mot3300.h: Likewise.
3732 * config/m88k/m88k.h: Likewise.
3733 * config/mcore/mcore-pe.h: Likewise.
3734 * config/mcore/mcore.h: Likewise.
3735 * config/mips/elf.h: Likewise.
3736 * config/mips/elf64.h: Likewise.
3737 * config/mips/iris6.h: Likewise.
3738 * config/pa/pa64-hpux.h: Likewise.
3739 * config/rs6000/sysv4.h: Likewise.
3740 * config/sh/sh.h: Likewise.
3741 * config/sparc/litecoff.h: Likewise.
3743 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
3744 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
3745 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3746 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3747 (ASM_OUTPUT_DESTRUCTOR): Remove.
3748 * config/a29k/a29k.c: Move include of tree.h.
3749 * config/a29k/udi.h: Delete file.
3750 * config/alpha/alpha.c (vms_asm_out_constructor): New.
3751 (vms_asm_out_destructor): New.
3752 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
3753 (EXTRA_SECTION_FUNCTIONS): Likewise.
3754 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3755 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3756 * config/c4x/c4x.c: Move include of tree.h.
3757 * config/clipper/clipper.c (clix_asm_out_constructor): New.
3758 (clix_asm_out_destructor): New.
3759 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3760 (ASM_OUTPUT_DESTRUCTOR): Remove.
3761 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3762 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3763 (TARGET_ASM_CONSTRUCTOR): New.
3764 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
3765 (sco_asm_out_constructor): New.
3766 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
3767 * config/i386/svr3gas.h: Remove stack grows up code.
3768 Remove code duplicated from i386/sysv3.h.
3769 (TARGET_ASM_CONSTRUCTOR): New.
3770 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3771 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
3772 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3773 (TARGET_ASM_CONSTRUCTOR): New.
3774 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
3775 (m68hc11_asm_out_destructor): New.
3776 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
3777 (TARGET_ASM_DESTRUCTOR): New.
3778 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
3779 * config/m68k/dpx2.h: Properly undef all the bits inherited from
3780 config/svr3.h pertaining to section manipulation.
3781 * config/m68k/dpx2g.h: Remove #if 0 code.
3782 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
3783 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
3784 (ASM_OUTPUT_CONSTRUCTOR): Remove.
3785 (TARGET_ASM_CONSTRUCTOR): New.
3786 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
3787 (m88k_svr3_asm_out_constructor): New.
3788 (m88k_svr3_asm_out_destructor): New.
3789 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3790 (ASM_OUTPUT_DESTRUCTOR): Remove.
3791 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3792 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
3793 * config/rs6000/aix.h: Likewise.
3794 * config/mips/rtems64.h: Don't undef removed constructor related bits.
3795 * config/mips/vxworks.h: Likewise.
3796 * config/rs6000/lynx.h: Likewise.
3797 * config/sh/elf.h: Likewise.
3798 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
3799 (DTORS_SECTION_ASM_OP): New.
3800 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3801 (ASM_OUTPUT_DESTRUCTOR): Remove.
3802 * config/sparc/sol2-sld-64.h: Likewise.
3803 * config/vax/vax.c (vms_asm_out_constructor): New.
3804 (vms_asm_out_destructor): New.
3805 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3806 (ASM_OUTPUT_DESTRUCTOR): Remove.
3807 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3809 * doc/tm.texi (@node Initialization): Update.
3811 2001-08-09 Richard Henderson <rth@redhat.com>
3813 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
3814 (__do_global_dtors_aux): Use gp-relative static data to avoid
3815 one dynamic relocation.
3816 (__do_frame_setup): Register Java classes.
3817 * config/alpha/crtend.asm (__JCR_END__): New.
3819 2001-08-09 Zack Weinberg <zackw@stanford.edu>
3821 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
3822 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
3823 (GEN, STAGESTUFF): Add new files.
3824 (insn-constants.h, s-constants, tm-preds.h, s-preds,
3825 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
3826 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
3827 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
3828 as well as insn-codes.h and insn-flags.h in config.h; and no
3829 extra headers in tconfig.h and hconfig.h.
3831 * gencodes.c: Eliminate code to generate predicate declarations
3832 or #defines for md-file constants.
3833 * genconstants.c, genpreds.c: New files.
3835 * i386.md: Re-order guard expressions such that TARGET_64BIT
3836 comes first, when this permits better optimization. Add
3837 TARGET_64BIT to more x86-64 patterns. Add comment explaining
3838 why this is desirable.
3840 2001-08-09 Jakub Jelinek <jakub@redhat.com>
3842 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
3843 (find_fde_for_dso): Remove.
3844 (_Unwind_IteratePhdrCallback): New.
3845 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
3846 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
3848 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3850 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
3851 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
3853 2001-08-09 Graham Stott <grahams@redhat.com>
3855 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
3856 (vis_no_unit): Use it.
3857 (visualize_no_unit): Add the insn only if room exists.
3859 2001-08-09 Graham Stott <grahams@redhat.com>
3861 * predict.c (estimate_probability): Replace magic numbers with
3862 appropriate enumeration.
3864 2001-08-09 Graham Stott <grahams@redhat.com>
3866 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
3868 (EXTRACT_FLAGS): Likewise.
3870 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
3872 * config/mips/mips.c (mips_legitimate_address_p): Check for
3873 CONST_INT in last patch.
3875 2001-08-08 Anthony Green <green@redhat.com>
3877 * java/class.c (emit_register_classes): Use assemble_jcr if
3878 possible. Keep the original mechanism as a fallback.
3879 * defaults.h (JCR_SECTION_NAME): Define if we have named section
3880 and weak symbol support.
3881 * crtstuff.c (__JCR_LIST__): Define.
3882 (__JCR_END__): Define.
3883 (_Jv_RegiserClasses): Define weak symbol if possible.
3884 (__do_global_ctors_aux): Register classes for ELF targets with
3885 weak symbol support.
3887 2001-08-08 Kazu Hirata <kazu@hxi.com>
3889 * dbxout.c: Fix comment formatting.
3890 * dependence.c: Likewise.
3892 * diagnostic.c: Likewise.
3893 * dominance.c: Likewise.
3894 * doprint.c: Likewise.
3895 * dwarf2out.c: Likewise.
3896 * dwarfout.c: Likewise.
3897 * emit-rtl.c: Likewise.
3898 * except.c: Likewise.
3899 * explow.c: Likewise.
3900 * expmed.c: Likewise.
3903 * fold-const.c: Likewise.
3904 * function.c: Likewise.
3906 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3908 * global.c (retry_global_alloc): Avoid shadowing allocno.
3910 2001-08-08 Mark Mitchell <mark@codesourcery.com>
3912 * except.c (remove_fixup_regions): Fix typo.
3914 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
3916 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
3917 unsigned HOST_WIDE_INT to avoid warning.
3918 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
3919 * flow.c (set_block_for_new_insns): Likewise.
3921 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
3923 * sibcall.c (return_value_pseudo): New static variable.
3924 (skip_copy_to_return_value): Handle return_value_pseudo.
3925 (call_ends_block_p): Ensure that return_value_pseudo is set.
3926 (optimize_sibling_and_tail_recursive_call): Discover the
3927 load of pseudo return value in alternate exit block.
3929 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3931 * calls.c (ECF_ALWAYS_RETURN): New constant.
3932 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
3933 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
3934 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
3935 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
3936 * rtl.c (reg_note_name): New name.
3937 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
3939 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
3941 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
3943 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
3945 * alias.c (get_alias_set): Return a previously calculated
3946 alias set for a VAR_DECL.
3947 * function.c (gen_mem_addressof): Calculate the alias set before
3950 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
3952 * predict.def: Set hitrates according our experimental run.
3954 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
3956 * i386.h (HARD_REGNO_RENAME_OK): New macro.
3958 2001-08-08 H.J. Lu <hjl@gnu.org>
3960 * config/mips/mips.c (mips_unique_section): New. Copied from
3963 * config/mips/mips-protos.h (mips_unique_section): New
3966 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
3968 * config/mips/little.h: New. Generic little endian mips
3969 targets. Only mips*-*-linux* is converted to use it so far.
3971 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
3972 (WCHAR_TYPE): Defined
3973 (WCHAR_TYPE_SIZE): Likewise.
3974 (INIT_SUBTARGET_OPTABS): Likewise.
3975 (BSS_SECTION_ASM_OP): Likewise.
3976 (SBSS_SECTION_ASM_OP): Likewise.
3977 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
3978 (ASM_DECLARE_OBJECT_NAME): Likewise.
3979 (UNIQUE_SECTION): Likewise.
3980 (EXTRA_SECTIONS): Likewise.
3981 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3982 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3983 (ASM_OUTPUT_DEF): Likewise.
3984 (HANDLE_SYSV_PRAGMA): Removed.
3985 (NO_IMPLICIT_EXTERN_C): Likewise.
3986 (TARGET_MEM_FUNCTIONS): Likewise.
3987 (STARTFILE_SPEC): Likewise.
3988 (ENDFILE_SPEC): Likewise.
3989 (LIB_SPEC): Likewise.
3990 (INVOKE__main): Likewise.
3991 (CTOR_LIST_BEGIN): Likewise.
3992 (CTOR_LIST_END): Likewise.
3993 (DTOR_LIST_BEGIN): Likewise.
3994 (DTOR_LIST_END): Likewise.
3995 (SET_ASM_OP): Likewise.
3996 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3997 (ASM_OUTPUT_DEF): Likewise.
3998 (ASM_OUTPUT_IDENT): Likewise.
4000 * config/mips/mips.h (ASM_SPEC): Undefine before define.
4001 (CPLUSPLUS_CPP_SPEC): Likewise.
4002 (ASM_APP_ON) Redefine only if not defined.
4003 (ASM_APP_OFF): Likewise.
4004 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4005 (ASM_OUTPUT_IDENT): Likewise.
4007 * config.gcc: Update tm_file for Linux/mips.
4009 2001-08-08 Bernd Schmidt <bernds@redhat.com>
4011 * cselib.c (cselib_record_sets): If insn is predicated, turn
4012 sources into IF_THEN_ELSEs.
4014 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
4015 Turn into define_insn_and_split.
4017 * sched-deps.c: Include "cselib.h".
4018 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
4019 Use cselib to turn memory addresses into VALUEs.
4020 (sched_analyze): Call cselib_init/cselib_finish if necessary.
4021 * sched-int.h (struct sched_info): New member USE_CSELIB.
4022 * sched-ebb.c (ebb_sched_info): Initialize it.
4023 * sched-rgn.c (rgn_sched_info): Likewise.
4024 * Makefile.in (sched-deps.o): Update dependencies.
4026 * cselib.h (cselib_subst_to_values): Declare.
4027 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
4028 that have no value and autoincs to be handled by generating a new
4031 2001-08-08 Graham Stott <grahams@redhat.com>
4033 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
4034 within fixed length SEQUENCE.
4036 2001-08-08 Graham Stott <grahams@redhat.com>
4038 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
4039 (diagnostic_prefixing_rule): Likewise.
4040 (diagnostic_line_cutoff): Likewise.
4041 (diagnostic_kind_count): Likewise.
4043 2001-08-08 Graham Stott <grahams@redhat.com>
4045 * alias.c (find_base_decl): Delete redundent assignment.
4047 2001-08-08 Graham Stott <grahams@redhat.com>
4049 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
4050 (abs): Uppercase and paranthesize macro parameter.
4051 (MEM_DEPENDENCY): Add whitespace.
4053 2001-08-08 Graham Stott <grahams@redhat.com>
4055 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
4056 failure check for CONST_INT
4058 2001-08-08 Graham Stott <grahams@redhat.com>
4060 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
4061 (libcall_dead_p): Likewise.
4063 (mark_used_regs): Constify fmt.
4064 (find_use_as_address): Likewise.
4066 2001-08-08 Graham Stott <grahams@redhat.com>
4068 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
4071 2001-08-08 Graham Stott <grahams@redhat.com>
4073 * combine.c (combine_simplify_rtx): Update comment and
4074 remove erroneous test.
4076 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4078 * cppinit.c (cpp_finish): Pop the final buffer without comment.
4079 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
4080 take care to avoid multiple no-newline at EOF warnings in that
4083 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
4085 * calls.c (expand_call): Do not emit INSN_SETJMP note.
4086 (emit_library_call_value_1): Likewise.
4087 (emit_call_1): Emit REG_SETJMP note.
4088 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
4090 * cselib.c (cselib_process_insn): Likewise.
4091 * flow.c (propagate_block): Likewise.
4092 * loop.c (find_and_verify_loops): Likewise.
4093 * reload.c (find_equiv_regs): Likewise.
4094 * reload1.c (reload): Likewise.
4095 * resource.c (mark_referenced_resources,
4096 mark_set_resources): Likewise.
4097 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
4098 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
4099 * haifa-sched.c (unlink_other_notes): Likewise.
4100 (reemit_notes): Likewise.
4101 * sched-ebb.c (sched_ebb): Likewise.
4102 * sched-rgc.c (sched_region): Likewise.
4103 * rtl.c (note_insn_name): Likewise.
4104 (reg_note_name): Add REG_SETJMP
4105 * rtl.h (reg_note): Add REG_SETJMP.
4106 (insn_note): Remove NOTE_INSN_SETJMP.
4108 * profile.c (branch_prob): Add fake edges for setjmp.
4110 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
4112 * config.gcc: Quote target_cpu_default2 correctly for
4113 powerpc*-*-* targets.
4115 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4117 * cpplib.h, line-map.h: Update comments.
4118 * cppmain.c (printer_init): Move inline.
4119 (maybe_print_line, print_line): Take a map pointer.
4120 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
4121 (cb_file_change): Don't use prior value of print.map.
4123 2001-08-07 David Edelsohn <edelsohn@gnu.org>
4125 * doc/install.texi: Document fine-grained multilib configuration.
4127 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
4129 * rtlanal.c (find_first_parameter_load): Call note_stores
4130 only on the instructions.
4132 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4134 * alias.c (nonlocal_mentioned_p):
4135 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
4136 * calls.c (emit_call_1): Likewise.
4137 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
4138 * cselib.c (cselib_process_insn): Likewise.
4139 * df.c (df_insns_modify): Likewise.
4140 * flow.c (need_fake_edge_p): Likewise.
4141 (propagate_one_insn): Likewise.
4142 * haifa-sched.c (reemit_notes): Likewise.
4143 * integrate.c (copy_insn_list): Likewise.
4144 * jump.c (delete_prior_computation): Likewise.
4145 * local-alloc.c (validate_equiv_mem): Likewise.
4146 * loop.c (scan_loop): Likewise.
4147 * predict.c (estimate_probability): Likewise.
4148 * reload.c (reload): Likewise.
4149 * sched-deps (sched_analyze): Likewise.
4150 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
4151 * gcse.c (compute_hash_table): Likewise.
4152 (mark_call): Likewise.
4153 (store_killed_in_insn): Likewise.
4155 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
4157 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
4159 2001-08-06 Richard Henderson <rth@redhat.com>
4161 * varasm.c (assemble_gc_entry): Remove.
4162 * output.h: Likewise.
4164 2001-08-06 Richard Henderson <rth@redhat.com>
4166 * varasm.c (assemble_constructor): Take a symbol_ref and a
4167 priority instead of a bare string. Move priority handling
4168 here from cp/decl2.c.
4169 * output.h: Update decls.
4171 * c-decl.c (c_expand_body): Update calls to assemble_constructor
4172 and assemble_destructor.
4173 * profile.c (output_func_start_profiler): Likewise.
4174 * objc/objc-act.c (finish_objc): Likewise.
4175 (build_module_descriptor): Return the symbol not the symbol name.
4177 2001-08-06 David Edelsohn <edelsohn@gnu.org>
4179 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
4180 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
4181 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
4182 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
4183 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
4184 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
4186 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4188 * cpperror.c (print_containing_files): Moved to line-map.c.
4189 (print_location): line-map.c handles re-listing or otherwise.
4190 * cpphash.h (struct lexer_state): Remove next_bol.
4191 (struct cpp_buffer): Remove include_stack_listed.
4192 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
4193 Remove faked buffer handling.
4194 (_cpp_do_file_change): Tweak.
4195 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
4196 * cppmain.c (struct printer): Remove filename.
4197 (print_line, cb_file_change): Update accordingly.
4198 * line-map.c: Include intl.h.
4199 (init_line_maps): Initialize last_listed.
4200 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
4201 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
4202 (print_containing_files): New.
4203 * line-map.h (struct line_maps): New member last_listed.
4204 (print_containing_files, INCLUDED_FROM): New.
4205 * Makefile.in: Update.
4206 * po/POTFILES.in: Add line-map.c.
4208 2001-08-06 Richard Henderson <rth@redhat.com>
4210 * except.c (convert_from_eh_region_ranges_1): Never mark
4211 USE or CLOBBER insns as throwing.
4213 * expr.c (store_constructor): Don't clobber memory targets.
4215 2001-08-06 Andreas Jaeger <aj@suse.de>
4217 * profile.c (branch_prob): Remove unused variable insn.
4219 * Makefile.in (local-alloc.o): Add dependency on except.h.
4221 * local-alloc.c: Include except.h for can_throw_internal prototype.
4223 2001-08-06 Richard Henderson <rth@redhat.com>
4225 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4226 * function.c (expand_main_function): Implement it.
4227 * doc/tm.texi: Document it.
4229 2001-08-06 Stan Shebs <shebs@apple.com>
4231 * doc/install.texi: Document powerpc-*-darwin* details.
4233 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
4235 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
4236 (ASM_CPU_SPEC): Move back to rs6000.h
4237 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
4239 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
4241 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
4244 * config/rs6000/linux64.h: Ditto.
4246 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4247 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
4250 Remove accidently readded definitions of FUNCTION_PROLOGUE,
4251 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
4253 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4256 2001-08-05 Richard Henderson <rth@redhat.com>
4258 * local-alloc.c (update_equiv_regs): Do not move insns that
4261 2001-08-05 Jan Hubicka <jh@suse.cz>
4263 * Makefile.in (reload1.o): Add dedendancy on except.h
4264 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
4266 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
4267 indicating wehther edges has been cleaned up.
4268 * reload1.c: Inlucde except.h
4269 (fixup_abnormal_edges): Accept deleted insns.
4270 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
4273 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4275 * cpplib.c (do_line): Correct line number after pop_buffer.
4277 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4279 PR preprocessor/3824
4280 * line-map.c: Update comments.
4281 * line-map.h: Update comments.
4282 * tradcif.y: Don't consider large numbers unsigned.
4284 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4286 PR preprocessor/3081
4287 * c-lex.c (map): New.
4288 (cb_file_change): Update map and use it.
4289 (cb_def_pragma, cb_define, cb_undef): Use map and line.
4290 (c_lex): Update to use map.
4291 * cpperror.c (print_location): Move to using logical line numbers.
4292 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
4293 (cpp_make_system_header): Similarly.
4294 (_cpp_execute_include): Stop line numbering hacks. Store the
4295 line we will return to.
4296 * cpphash.h (CPP_BUF_LINE): Remove.
4297 (struct cpp_buffer): Remove lineno and pseudo_newlines.
4298 Add map and return_to_line.
4299 (_cpp_do_file_change): Update.
4300 * cppinit.c (cpp_start_read): Update line kludge.
4301 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
4302 (trigraph_ok): Use logical line numbers for diagnostics.
4303 (skip_block_comment): Likewise.
4304 (skip_whitespace): Likewise.
4305 (skip_line_comment): Use pfile->line instead.
4306 (_cpp_lex_token): Update to use logical line numbering exclusively.
4307 Handle BOL locally. Accept new lines in directives, but keep
4308 pfile->line decremented. Diagnostics use logical lines. Update
4310 * cpplib.c (SEEN_EOL): New.
4311 (skip_rest_of_line, check_eol): Use it.
4312 (end_directive): Increase line number when accepting the newline
4313 at the end of a directive.
4314 (run_directive): Simplify.
4315 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
4316 (_cpp_do_file_change): Update to take buffer line number as an
4317 argument, and store the current map in the cpp_reader. Remove
4318 line number kludges.
4319 (_cpp_do__Pragma): Restore output position after a _Pragma.
4320 (cpp_push_buffer): Don't set output line or lineno.
4321 (_cpp_pop_buffer): Transfer more info from a faked buffer.
4322 Remove line kludge. Set output_line.
4323 * cppmacro.c (builtin_macro): Update handling of __LINE__.
4324 (parse_arg): Use logical lines.
4325 (save_lookahead_token): Save EOFs too now.
4326 * cppmain.c (struct printer): Fix comments.
4327 (printer_init): Simplify, let caller do errors.
4328 (scan_translation_unit, check_multiline_token, dump_macro): Update.
4329 (maybe_print_line): Simplify.
4330 (print_line): Don't print a linemarker if -P.
4331 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
4332 (cb_file_change): Simplify.
4333 * line-map.h (LAST_SOURCE_LINE): Fix.
4334 (CURRENT_LINE_MAP): New.
4336 2001-08-05 Bernd Schmidt <bernds@redhat.com>
4338 * doloop.c (doloop_modify_runtime): Properly compute number of
4339 iterations if loop was unrolled.
4341 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
4342 if their CSELIB_VAL_PTRs are.
4344 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
4345 (setup_spill_pointers): Initialize it.
4346 (spill_restore_mem): Set it.
4347 (do_spill, do_restore): Use it to add REG_INC note.
4348 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
4350 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
4351 asms if other insns are available.
4353 * config/ia64/ia64.c (condop_operator): New predicate.
4354 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
4355 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
4358 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
4359 temporary register than directly using a MEM.
4361 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4363 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
4364 parameter in last change.
4366 2001-08-04 Zack Weinberg <zackw@panix.com>
4368 * sparc.md: Don't use #if inside C test expression.
4370 2001-08-04 Richard Henderson <rth@redhat.com>
4372 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
4374 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
4376 * cpphash.h (struct cpp_reader): New member directive_line.
4377 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
4378 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
4379 do_pragma): Pass line to callbacks.
4380 (start_directive): Record line of directive.
4381 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
4382 cb_include): Similarly.
4383 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
4386 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4388 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
4391 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4393 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
4395 * reload1.c (fixup_abnormal_edges): New static function.
4398 * flow.c (need_fake_edge_p): New function.
4399 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
4400 avoid call insn to be very last insn in the insn stream.
4402 * profile.c (branch_prob): Call flow_call_edges_add instead of
4403 doing that by hand; cleanup cfg to re-merge basic blocks once
4406 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4408 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
4409 are also on line-map.h.
4410 * cppfiles.c (stack_include_file): Update.
4411 * cpphash.h (struct cpp_buffer): New member return_at_eof.
4412 (_cpp_pop_buffer): New.
4413 * cppinit.c (cpp_destroy, cpp_finish): Update.
4414 (do_includes): Mark each buffer to return at EOF.
4415 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
4416 return as requested.
4417 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
4418 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
4419 * cpplib.h (cpp_pop_buffer): Remove.
4420 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
4421 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
4423 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
4425 (do_preprocessing): Update.
4426 * fix-header.c (read_scan_file): Update. No need to pop buffers.
4427 * c-parse.in (_yylex): Similarly.
4428 * scan-decls.c (scan_decls): Similarly.
4429 * line-map.h: Update comments.
4431 * objc/Make-lang.in (objc-act.o): Update dependencies.
4433 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4435 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
4436 and soft register for operand 0.
4437 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
4439 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4441 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
4442 register for operand 0.
4443 ("bitcmpqi_z_used"): Allow memory for operand 0.
4444 (split "bitcmpqi"): New split to handle address reg as operand 1.
4446 2001-08-04 Andreas Jaeger <aj@suse.de>
4448 * gcse.c: Revert Daniel's last patch.
4450 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4452 * sparc-protos.h: Add prototypes for fp_zero_operand and
4454 * sh-protos.h: Add prototype for fpul_operand.
4456 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4458 * doc/extend.texi (Other Builtins): Fix typo in last change.
4460 2001-08-03 Richard Henderson <rth@redhat.com>
4462 * target.h (gcc_target): Add asm_out.named_section,
4463 section_type_flags, have_named_sections.
4464 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
4465 (TARGET_HAVE_NAMED_SECTIONS): New.
4466 (TARGET_SECTION_TYPE_FLAGS): New.
4468 * Makefile.in (toplev.o): Depend on TARGET_H.
4469 (varasm.o, dbxout.o): Likewise.
4470 * c-common.c (decl_attributes): Check targetm.have_named_sections
4471 instead of ifdef ASM_OUTPUT_SECTION_NAME.
4472 * dbxout.c (dbxout_function_decl): Likewise.
4473 (dbxout_function_end): Likewise.
4474 * toplev.c (compile_file): Likewise.
4475 * varasm.c (exception_section): Likewise.
4476 * cp/decl2.c (finish_objects): Likewise.
4478 * defaults.h (EH_FRAME_SECTION): Remove.
4479 (EH_FRAME_SECTION_ASM_OP): Remove.
4480 (EH_FRAME_SECTION_NAME): New.
4481 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
4482 (UNIQUE_SECTION_P): Remove.
4483 * dwarf2out.c (SECTION_FORMAT): Remove.
4484 (ASM_OUTPUT_SECTION): Remove.
4485 (output_call_frame_info): Use named_section_flags.
4486 (output_comp_unit, dwarf2out_start_source_file): Likewise.
4487 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
4488 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
4489 * varasm.c (in_eh_frame, eh_frame_section): Remove.
4490 (named_section_flags): New.
4491 (named_section): Use it and targetm.section_type_flags.
4492 (resolve_unique_section): New.
4493 (assemble_start_function): Use it.
4494 (asm_emit_uninitialised, assemble_variable): Likewise.
4495 (default_section_type_flags): New.
4496 (default_no_named_section, default_elf_asm_named_section): New.
4497 (default_coff_asm_named_section, default_pe_asm_named_section): New.
4498 * output.h: Update varasm.c decls.
4499 (SECTION_*): New flags.
4501 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
4502 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
4504 * config/elfos.h (UNIQUE_SECTION_P): Remove.
4505 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
4506 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
4507 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4508 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
4509 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
4510 * config/mips/elf.h, config/mips/elf64.h: Likewise.
4511 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
4512 * config/pa/pa64-hpux.h,
4514 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
4515 (TARGET_ASM_NAMED_SECTION): New.
4516 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
4517 * config/alpha/vms.h, config/arm/coff.h: Likewise.
4518 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
4519 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
4520 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
4521 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
4522 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4523 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
4524 * config/i386/sco5.h, config/i386/win32.h: Likewise.
4525 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
4526 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
4527 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
4528 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
4529 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
4530 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
4531 * config/sparc/sysv4.h: Likewise.
4533 * config/nextstep.h: Error until named sections implemented.
4535 * config/a29k/a29k.c (a29k_asm_named_section): New.
4536 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
4537 (vms_section_type_flags, vms_asm_named_section): New.
4538 * config/arm/arm.c (arm_elf_asm_named_section): New.
4539 * config/avr/avr.c (asm_output_section_name): Remove.
4540 * config/avr/avr-protos.h: Update.
4541 * config/c4x/c4x.c (c4x_asm_named_section): New.
4542 * config/h8300/h8300.c (h8300_asm_named_section): New.
4543 * config/i386/i386.c (sco_asm_named_section): New.
4544 * config/i386/winnt.c (SECTION_PE_SHARED): New.
4545 (i386_pe_section_type_flags): New.
4546 (i386_pe_asm_named_section): New.
4547 * config/i386/i386-protos.h: Update.
4548 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
4549 * config/mcore/mcore.c (mcore_asm_named_section): New.
4550 * config/mips/mips.c (iris6_asm_named_section): New.
4551 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
4552 instead of UNIQUE_SECTION_P.
4553 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
4554 (xcoff_asm_named_section): New.
4555 * config/sh/sh.c (sh_asm_named_section): New.
4556 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
4558 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
4559 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
4560 (EH_FRAME_SECTION_NAME): New.
4561 (EXCEPTION_SECTION): New.
4562 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
4563 (DEBUG_*_SECTION): Remove.
4564 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
4565 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
4566 (EH_FRAME_SECTION_ASM_OP): Remove.
4568 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
4569 (ASM_OUTPUT_SECTION_NAME): Remove.
4570 (TARGET_ASM_NAMED_SECTION): New.
4571 (TARGET_HAVE_NAMED_SECTIONS): New.
4572 (TARGET_SECTION_TYPE_FLAGS): New.
4573 (EH_FRAME_SECTION_ASM_OP): Remove.
4574 (EH_FRAME_SECTION_NAME): New.
4576 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4578 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
4579 for complex expressions when cfun == 0.
4580 * doc/extend.texi: Document that __builtin_constant_p can be
4581 used in data initializers as well as functions.
4583 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
4585 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
4586 variable I locally, instead of expecting a declaration in the
4589 2001-08-03 Richard Henderson <rth@redhat.com>
4591 * except.c (collect_one_action_chain): Add an explicit cleanup
4592 action if regions surrounding a catch were encoded entirely
4593 within the call-site entry.
4595 2001-08-03 Richard Henderson <rth@redhat.com>
4597 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
4598 don't take REGNO of a non-register.
4600 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4602 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
4603 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
4604 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
4605 (__gthread_mutex_init_function): New function for mutex initialization.
4607 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4609 * Makefile.in: Revert screwed up commit.
4611 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4613 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
4614 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
4615 merged by linker script to get a final _exit().
4616 (__do_global_dtors): New for destructor handling in specific exit
4618 (__do_global_ctors): New for constructors in specific install section.
4619 (__map_data_section): Map data sections before running constructors.
4620 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
4621 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
4622 (DTORS_SECTION_ASM_OP): Likewise.
4623 (CTORS_SECTION_FUNCTION): Define to force a reference to
4625 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
4627 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4629 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
4631 * Makefile.in: Add df.h to gcse.c dependencies.
4633 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4635 * varasm.c (output_constant_def_contents): Use for the length of a
4636 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
4637 depending on which is larger.
4639 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4641 * gcse.c: Include df.h for use as a dataflow analyzer.
4643 Declaration of reg_set_info: gone.
4644 New df_analyzer variable used by store motion.
4645 (reg_set_info): Deleted.
4646 (mark_mem_regs): New function, analyze regs used by a mem.
4647 (store_ops_ok): Use dataflow analyzer results to determine if
4648 necessary regs are changed in the block.
4649 (find_moveable_store): Remove check for symbol ref, we can handle
4650 much more complex expressions now.
4651 (compute_store_table): Remove most of the code, it's unnecessary
4652 now that the dataflow analyzer records the info for us.
4653 (store_killed_after): Add parameter to say whether to do the
4654 store_ops_okay test, used to speed up testing when we already know
4655 the answer, and just want to know if the store itself was killed.
4656 (build_store_vector): Largely rewritten to calculate the various
4657 vectors properly, and somewhat optimized.
4658 (store_motion): Init the df_analyzer, get REG_DEF chains.
4659 Also handle trapping expressions (since mems almost always trap)
4660 (simple_mem): Redefine what a simple mem is.
4662 2001-08-03 DJ Delorie <dj@redhat.com>
4664 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
4665 set from a constant part of the condition.
4667 2001-08-01 Andrew Cagney <ac131313@redhat.com>
4669 * mkdeps.c (deps_add_default_target): Make local variable
4670 ``start'' a const char pointer.
4671 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
4673 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4675 * doc/install.texi (Configuration): Fix markup.
4676 (Specific, i?86-*-udk): Likewise.
4677 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
4679 Document --enable-threads and --enable-libgcj status.
4680 (Specific, mips-sgi-irix*): Canonicalize triples.
4681 (Specific, mips-sgi-irix5): Warn about problems with this config.
4682 Mention required GNU as patch.
4683 Native assembler problems are fixed.
4684 (Specific, mips-sgi-irix6): Update O32 ABI support status.
4685 Document --enable-threads and --enable-libgcj status.
4687 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4689 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
4692 2001-08-03 Richard Henderson <rth@redhat.com>
4694 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
4697 2001-08-03 Richard Henderson <rth@redhat.com>
4699 * rtlanal.c (find_first_parameter_load): Stop if we
4700 reach a CODE_LABEL at BOUNDARY.
4702 2001-08-03 Richard Henderson <rth@redhat.com>
4704 * config/alpha/alpha.md (force_movdi): New insn.
4705 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
4706 Tweek FRP marking of VMS prologue insns.
4707 * config/alpha/vms.h (EPILOGUE_USES): New.
4709 2001-08-02 Richard Henderson <rth@redhat.com>
4711 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
4713 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
4715 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
4716 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
4717 config/convex/convex.h, config/d30v/d30v.c,
4718 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
4719 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
4720 config/mips/mips.h, config/mn10200/mn10200.h,
4721 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
4722 config/v850/v850.h, config/vax/openbsd.h,
4723 config/vax/openbsd1.h, config/vax/ultrix.h,
4724 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
4725 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
4726 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
4727 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
4728 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
4729 in comments and documentation.
4731 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4735 * Makefile.in (line-map.o): New.
4736 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
4737 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
4738 * cpperror.c (print_containing_files): Similarly.
4739 (print_location): Update. Don't output a space before _Pragma.
4740 * cppfiles.c (stack_include_file): Set to line 1 immediately.
4741 (stack_include_filee, cpp_make_system_header): Update.
4742 (_cpp_execute_include): Get logical line number right for calling
4743 as-yet-unterminated #include.
4744 * cpphash.h (struct cpp_reader): Add line_maps.
4745 (_cpp_do_file_change): Update.
4746 * cppinit.c (cpp_create_reader): Initialize line maps.
4747 (cpp_destroy): Destroy line maps.
4748 (cpp_start_read): Get logical line number right.
4749 * cpplex.c (parse_string): Only warn once for multi-line strings.
4750 Use boolean variable for null warning.
4751 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
4753 (do_include_common): End the directive early.
4754 (do_line): Don't warn about out-of-range lines in preprocessed
4755 source. Update. Remove unused variables.
4756 (_cpp_do_file_change): Update for new line mapping.
4757 (pragma_cb): New typedef.
4758 (cpp_register_pragma): Stop looking ahead before calling the
4760 (do_pragma_system_header): End directive early.
4761 (cpp_get_line_maps): New.
4762 (cpp_pop_buffer): Fudge logical line. Update.
4763 * cpplib.h: Include line-map.h
4764 (enum cpp_fc_reason): Remove.
4765 (struct cpp_file_change): Update.
4766 (cpp_get_line_maps): New.
4767 * cppmain.c (struct_printer): New member map.
4768 (cb_file_change): Update for new mappings.
4769 * fix-header.c (cb_file_change): Similarly.
4771 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4773 * Makefile.in (libgcc.mk): Define mkinstalldirs.
4774 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
4776 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
4778 * config/vax/vax.c: include expr.h.
4780 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4782 * Makefile.in ($(srcdir)/configure): Only rebuild in
4784 ($(srcdir)/config.in): Only define in maintainer mode.
4785 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
4787 2001-08-02 David Edelsohn <edelsohn@gnu.org>
4789 * doc/install.texi (Install GCC: Binaries): Update Bull info.
4791 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4793 * gcc.c (set_collect_gcc_options): New function, split out from
4795 Ignore elided switches.
4796 (do_spec_1): Invoke before executing command.
4797 (set_input): Export.
4798 Move declaration ...
4799 * gcc.h (set_input): ... here.
4800 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
4803 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
4806 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
4808 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
4810 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
4812 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
4813 for the unnamed instructions it expands to.
4815 2001-08-02 Richard Henderson <rth@redhat.com>
4817 * regclass.c (call_really_used_regs): Conditionally define.
4818 (init_reg_sets_1): Don't use it if not defined.
4819 (fix_register): Similarly, don't set it.
4821 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4823 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
4824 Correct comment that had been missed in the previous change.
4826 2001-08-01 Stan Shebs <shebs@apple.com>
4828 * config/darwin.c (machopic_stub_name): Try matching by name.
4829 (update_stubs): New function.
4830 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
4833 2001-08-01 Richard Henderson <rth@redhat.com>
4835 * except.c (output_function_exception_table): Use assemble_align.
4836 * varasm.c (assemble_eh_label): Remove.
4837 (assemble_eh_align, assemble_eh_integer): Remove.
4839 2001-08-01 Robert Lipe <robertl@caldera.com>
4841 * dwarfout.c: Remove reference to README.DWARF.
4843 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
4845 * regclass.c (call_really_used_regs): New array for registers which
4846 are actually used by a call.
4847 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
4849 (fix_register): Set call_really_used too.
4850 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
4851 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
4853 2001-08-01 Richard Henderson <rth@redhat.com>
4855 * read-rtl.c (read_name): Consider \r whitespace.
4857 2001-07-11 Andrew Cagney <ac131313@redhat.com>
4859 * config.gcc: Recognize powerpc-*-netbsd*.
4861 * doc/install.texi (Host/target specific installation notes for
4862 GCC): Mention powerpc-*-netbsd*.
4864 * config/rs6000/netbsd.h: New file.
4865 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
4866 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
4867 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
4868 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
4869 (TARGET_VERSION): Redefine.
4871 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
4872 mcall-netbsd as a match for mcall-sysv.
4873 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
4874 (ncrti.S, ncrtn.S): New targets.
4875 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
4877 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
4878 "netbsd' as a V4 ABI.
4879 (ASM_SPEC): Check for -mcall-netbsd.
4880 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
4881 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
4882 (LIB_SPEC, ENDFILE_SPEC): Ditto.
4883 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
4884 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
4885 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
4886 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
4888 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
4889 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
4891 2001-08-01 Mark Kettenis <kettenis@gnu.org>
4893 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
4894 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
4895 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
4896 including "unwind-pe.h".
4898 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
4900 * rs6000.md (define_splits): Kill unused constraints.
4902 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
4903 Jan Hubicka <jh@suse.cz>
4905 * function.c (thread_prologue_and_epilogue_insns): Kill code
4906 dealing with non-existent CFG.
4908 2001-08-01 Kazu Hirata <kazu@hxi.com>
4910 * alias.c: Fix comment formatting.
4911 * bitmap.c: Likewise.
4912 * builtins.c: Likewise.
4913 * calls.c: Likewise.
4914 * c-common.c: Likewise.
4915 * c-decl.c: Likewise.
4916 * c-dump.c: Likewise.
4917 * c-lex.c: Likewise.
4918 * collect2.c: Likewise.
4919 * combine.c: Likewise.
4920 * conflict.c: Likewise.
4921 * cppfiles.c: Likewise.
4922 * cppinit.c: Likewise.
4923 * cpplex.c: Likewise.
4924 * cpplib.c: Likewise.
4925 * cppmacro.c: Likewise.
4926 * cppspec.c: Likewise.
4927 * c-pragma.c: Likewise.
4928 * crtstuff.c: Likewise.
4930 * cselib.c: Likewise.
4931 * c-semantics.c: Likewise.
4932 * c-typeck.c: Likewise.
4934 2001-08-01 H.J. Lu <hjl@gnu.org>
4936 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
4938 2001-08-01 H.J. Lu <hjl@gnu.org>
4940 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
4942 2001-08-01 Ziemowit Laski <zlaski@apple.com>
4944 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
4945 contextualizing Objective-C class name lookup by the lexer.
4946 (typespec_reserved_nonattr): Disable ObjC class name lookup after
4948 (protocoldef): Add support for forward @protocol declarations.
4949 (yylexname): Suppress ObjC class name lookup in certain contexts;
4950 re-enable after lookup is complete.
4951 (_yylex): Re-enable ObjC class name lookup when certain
4952 punctuation marks are seen.
4954 * objc/objc-act.c (check_protocol_recursively): New function used
4955 for finding circular dependencies in protocols.
4956 (objc_declare_protocols): New function for handling forward
4957 @protocol declarations.
4958 (receiver_is_class_object): Detect the case when 'self' is used
4959 inside of a class method.
4960 (build_message_expr): Issue a warning if class method is desired
4961 but instance method is found instead.
4962 (conforms_to_protocol): Streamline.
4963 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
4964 protocol Foo, even if 'Bar foo' does not.
4965 (check_protocols): Streamline.
4966 (start_protocol): Add checks for circular and duplicate protocol
4968 (encode_aggregate_within): For typedefs of structs, encode the
4970 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
4971 (objc_declare_protocols): New prototype.
4973 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4975 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
4976 * cpplex.c (handle_newline): Update prototype. Maintain logical
4978 (skip_escaped_newlines, skip_block_comment, parse_string):
4980 (_cpp_lex_token): Update, and store token position within the token.
4981 * cpplib.h (struct cpp_token): Add line and column entries.
4982 * cppmacro.c (replace_args): Position stringified tokens correctly.
4984 2001-08-01 Andreas Jaeger <aj@suse.de>
4986 * basic-block.h: Add prototype for last_loop_beg_note.
4988 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
4990 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
4991 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
4993 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
4994 while handling WITH_CLEANUP_EXPR node. Use second operand calling
4995 expand_decl_cleanup.
4996 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
4998 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
4999 operand while calling simple_cst_equal.
5000 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
5001 operand is the cleanup expression, the third is the RTL_EXPR.
5002 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
5004 2001-07-31 Jeff Sturm <jsturm@one-point.com>
5006 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
5008 2001-07-31 matthew green <mrg@eterna.com.au>
5010 * config.gcc (i386-*-netbsdelf): New description.
5011 * config/i386/netbsd-elf.h: New file.
5013 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
5015 * loop.c (check_dbra_loop): Use single_set to compute
5018 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
5020 PowerPC reorg and support for powerpc64-*-linux*.
5022 Also fixes emitting of constants on 32 bit and 64 bit
5025 * config.gcc: powerpc64-*-linux* is a new target.
5026 Things that needed aix.h now also include xcoff.h
5028 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
5030 Move AIX specific stuff into aix.h.
5031 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
5032 with more than just XCOFF now.
5033 (SET_ASM_OP): Remove, now defined where needed.
5034 (FUNCTION_PROLOGUE): New macro definition.
5035 (FUNCTION_EPILOGUE): New macro definition.
5036 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
5038 * config/rs6000/xcoff.h: New file.
5040 * config/rs6000/linux64.h: New file.
5042 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
5044 2001-07-31 Alan Modra <amodra@bigpond.net.au>
5046 * rs6000.c (print_operand_address): Handle ELF syntax.
5047 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
5048 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
5049 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
5051 2001-07-31 David Edelsohn <edelsohn@gnu.org>
5053 * rs6000.c (rs6000_override_options): Only disable
5054 flag_function_sections for XCOFF.
5055 (exact_log2_cint_operand): New predicate.
5056 (reg_or_{add,sub}_cint64_operand): New predicates.
5057 (add_operand): Compare CONST_INT with fewer function calls.
5058 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
5059 (print_operand, case 'p'): Ensure positive operand.
5060 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
5061 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
5062 (PREDICATE_CODES): Add new predicates.
5063 * rs6000.md (addsi3): Split 32-bit constants more correctly.
5064 (divsi3, modsi3): Ensure positive power-of-2.
5065 (adddi3): Use new predicate. Split 32-bit constants more
5066 correctly. Re-arrange splitter to handle any constant.
5067 (subdi3): Use new predicate.
5068 (divdi3, moddi3): Ensure positive power-of-2.
5069 (movdi): Use rs6000_emit_set_const.
5070 (load_toc_v4_pic_di): Delete.
5072 2001-07-31 Graham Stott <grahams@redhat.com>
5074 * function.c (pad_below): Revert 2001-07-26 patch.
5076 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5078 * reg-stack (convert_regs_1): Fix best edge condition.
5080 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5082 * jump.c (duplicate_loop_exit_test): Better test for jumps
5083 entering the loop; create loop pre_header.
5085 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
5087 * doc/install.texi: Add s390 and s390x as new targets.
5088 * doc/invoke.texi: Add documantation of S/390 and zSeries
5090 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
5092 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5094 * config/m68k/m68k.md: Replace all general_operand with
5095 nonimmediate_operand for all destinations.
5096 * config/m68k/m68k.c (not_sp_operand): Likewise.
5098 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
5100 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
5102 2001-07-30 Richard Henderson <rth@redhat.com>
5104 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
5105 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
5107 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5109 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
5110 Add missing doc strings
5111 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
5112 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
5114 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5116 * i386.c (ix86_output_main_function_alignment_hack): New function.
5117 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
5119 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
5120 edges by EDGE_DFS_BACK flag.
5121 (dump_edge_info): Add dfs_back flag.
5122 * basic-block.h (EDGE_DFS_BACK): New constant.
5123 (mark_dfs_back_edges): Declare.
5124 * alias.c (loop_p): Remove.
5125 (mark_constant_function): Use mark_dfs_back_edges.
5127 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
5128 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
5129 (compensate_edge): Break out from ...
5130 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
5131 (convert_regs_2): Set block_done once block is really done;
5132 Do updating of the predecesors counts.
5134 * toplev.c (rest_of_compilation): Recompute block_for_insn
5135 before post-reload cfg_cleanup.
5136 * function.c (thread_prologue_epilogue_insns):
5137 Call set_block_for_new_insns when emitting prologue directly.
5139 2001-07-30 Andreas Jaeger <aj@suse.de>
5141 * jump.c: Add prototype for mark_modified_reg.
5143 * cse.c (set_live_p): Add unused attribute.
5145 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
5147 (scan_for_source_files): Use long for count to avoid overflow.
5148 (output_data): Likewise.
5149 (output_data): Don't use string concatatenation to silence gcc
5152 * predict.c: Fix typos and grammar.
5154 * gcse.c (insert_insn_end_bb): Remove unused variables.
5156 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
5158 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
5159 (attempt_auto_inc): LIkewise.
5160 (mark_used_reg): Likewise.
5161 (try_pre_increment_1): Likewise.
5162 * regclass.c (regclass): Likewise.
5163 * global.c (allocno_compare): Update comment; change scaling factor.
5164 * local-alloc.c (QTY_CMP_PRI): Likewise.
5165 * regs.h (REG_FREQ_FROM_BB): New.
5166 (REG_FREQ_MAX): Likewise.
5168 2001-07-30 H.J. Lu <hjl@gnu.org>
5170 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
5173 2001-07-30 H.J. Lu (hjl@gnu.org)
5175 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
5176 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5177 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
5179 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
5181 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
5182 as -mthumb-interwork when -mcpu=arm7 is specified.
5184 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5186 * predict.def (noreturn, loop branch, loop exit): Mark as first
5189 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
5191 * combine.c (try_combine): Avoid barrier after noop jumps.
5193 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5195 * cpphash.h (struct cpp_reader): Remove import_warning.
5196 * cpplib.c (skip_rest_of_line): Don't bother turning off
5198 (parse_include): Move include handling to...
5199 (do_include_common): ... here. Move import warning from...
5200 (do_import): ... here.
5201 (do_pragma_poison): Don't do a callback for poison identifiers.
5202 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
5203 * cppmain.c (setup_callbacks): Similarly.
5205 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
5207 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
5208 handle multiple sets.
5209 * except.c (sjlj_mark_call_sites): .... here.
5210 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
5212 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
5214 Suggested by Richard Henderson and Richard Kenner:
5215 * combine.c (recog_for_combine): Use the fake recog
5216 only if instruction does not match.
5217 * rtl.h (NOOP_MOVE_INSN_CODE): New.
5218 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
5220 * combine.c (try_combine): Discover noop jump as direct jump.
5222 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
5224 * df.c (df_rd_global_compute): Add successors to worklist, not
5226 (df_ru_global_compute): Ditto.
5228 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
5230 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
5231 increment REG_N_SETS.
5233 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
5235 * sbitmap.h: New prototype for sbitmap_a_xor_b.
5237 * sbitmap.c (sbitmap_a_xor_b): New function.
5238 ifdef the basic block stuff on IN_GCC.
5240 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5242 * cppexp.c (parse_defined): Always record the macro name.
5243 (lex): Don't worry about identifiers, or special-case
5245 (_cpp_parse_expr): Figure out at the end of the routine
5246 whether we saw a valid !defined() expression.
5247 * cppfiles.c (stack_include_file): Update for mi_valid.
5248 (_cpp_pop_file_buffer): Similarly.
5249 * cpplex.c (_cpp_lex_token): Similarly.
5250 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
5251 mi_if_not_defined, mi_lexed): Remove.
5253 * cpplib.c (do_if): Simplify.
5254 (do_endif, push_conditional, _cpp_handle_directive): Update
5255 for renaming of mi_state to mi_valid.
5257 * cpp.texi: Add index entries for digraphs, and add comment
5258 that C++ refers to them as alternative tokens.
5260 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5262 * basic-block.h (CLEANUP_PRE_LOOP): New.
5263 * except.c (finish_eh_generation): Update call of cleanup_cfg.
5264 * sibcall.c (optimize_sibling_calls): Likewise.
5265 * toplev.c (rest_of_compilation): Likewise.
5266 * flow.c (try_forward_edges): Take argument MODE;
5267 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
5268 (try_optimize_cfg): Update call of try_forward_edges.
5270 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5271 Jan Hubicka <jh@suse.cz>
5273 * (validate_replace_rtx_1): Fix simplification of MINUS.
5275 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
5277 PR preprocessor/3669
5278 * cppinit.c (init_dependency_output): Turn off dump requests
5279 if sending dependencies to stdout.
5281 2001-07-28 Richard Henderson <rth@redhat.com>
5283 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
5286 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
5288 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
5290 2001-07-28 Kazu Hirata <kazu@hxi.com>
5292 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
5293 is VAR_DECL first to prevent an ICE.
5295 2001-07-28 Richard Henderson <rth@redhat.com>
5297 * varasm.c (immed_real_const_1): Don't elide special cases for
5299 (clear_const_double_mem): Clear const_tiny_rtx too.
5301 2001-07-28 Richard Henderson <rth@redhat.com>
5303 * dwarf2out.c (dw_val_class_offset): New.
5304 (struct dw_ranges_struct, dw_ranges_ref): New.
5305 (ranges_table, ranges_table_allocated): New.
5306 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
5307 (add_AT_offset, add_ranges, output_ranges): New.
5308 (print_die, output_die): Handle dw_val_class_offset.
5309 (attr_checksum, size_of_die, value_format): Likewise.
5310 (gen_lexical_block_die): Handle non-contiguous blocks.
5311 (gen_block_die): Likewise.
5312 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
5313 if needed. Dump the ranges table.
5314 * final.c (final_start_function): Remove unnecessary notes and
5315 rebuild the block tree before numbering the blocks.
5316 * function.c (reorder_blocks_0): Walk the existing block tree
5317 to unmark all blocks.
5318 (reorder_blocks_1): Create block fragments when duplicate block
5320 (reorder_fix_fragments): New.
5321 (reorder_blocks): Call it.
5322 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
5324 2001-07-28 Richard Henderson <rth@redhat.com>
5326 * emit-rtl.c (adjust_address): Make a copy of the memory address.
5328 2001-07-28 Richard Henderson <rth@redhat.com>
5330 * flow.c (add_to_mem_set_list): New function.
5331 (init_propagate_block_info): Use it.
5332 (mark_set_1): Likewise.
5333 (insn_dead_p): Canonicalize memory address for dead store
5334 comparison. Allow wider mode stores to kill narrower mode stores.
5335 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
5336 (invalidate_mems_from_set): Don't handle MEMs.
5338 2001-07-28 Kazu Hirata <kazu@hxi.com>
5340 * config/h8300/h8300.h: Fix formatting.
5342 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5344 * basic-block.h (EDGE_FREQUENCY): New macro.
5345 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
5347 * flow.c (find_sub_basic_blocks): Likewise.
5348 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
5349 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
5351 * predict.c (DEF_PREDICTOR): New argument FLAGS.
5352 (HITRATE): New macro.
5353 (PRED_FLAG_FIRST_MATCH): New constant.
5354 (predictor_info): New field flgags.
5355 (combine_predictions_for_insn): Use DS theory to combine
5356 probabilities; set the edge probabilities when finished.
5357 (estimate_probability): Avoid duplicated matches
5358 of LOOP_BRANCH heuristics for nested loops; update comment.
5359 * predict.def: Add flags for each prediction, set probabilities
5360 according to B&L paper.
5361 * predict.h (DEF_PREDICTOR): New argument FLAGS.
5363 * profile.c (compute_branch_probabilities): Cleanup way the edge
5364 probabilities are computed and REG_BR_PROB notes are dropped; if
5365 values does not match, emit error.
5366 (init_branch_prob): Do error instead of warning when profile driven
5367 feedback is missing or corrupt.
5369 2001-07-27 DJ Delorie <dj@redhat.com>
5371 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
5372 against a constant, try to adjust the compare to have the desired
5373 constant in it so that min/max optimizations happen more often.
5375 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5377 * flow.c (last_loop_beg_note): New function.
5378 (redirect_edge_and_branch): Use it.
5379 (split_edge): Likewise.
5381 * alias.c (loop_p): Avoid uninitialized memory access.
5383 * flow.c (try_forward_edges): Avoid accessing freed memory.
5385 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
5388 2001-07-26 Andrew Haley <aph@redhat.com>
5389 Joern Rennecke <amylaar@redhat.com>
5391 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
5392 (SUBTARGET_CPP_ENDIAN_SPEC): New.
5393 (SUBTARGET_CPP_SPEC): New.
5395 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
5396 (SUBTARGET_CPP_PTR_SPEC): New.
5397 (CPP_DEFAULT_CPU_SPEC): New.
5398 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
5399 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5400 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
5401 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5402 (SUBTARGET_CPP_SPEC): Define as an empty string.
5404 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5406 * doc/install.texi (Configuration): Properly link the host
5407 specific instructions also when generating HTML.
5409 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
5411 * flow.c (redirect_edge_and_branch_force): Test
5412 target->global_live_at_start.
5414 2001-07-26 Richard Henderson <rth@redhat.com>
5416 * simplify-rtx.c (avoid_constant_pool_reference): Export.
5417 * rtl.h (avoid_constant_pool_reference): Declare it.
5418 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
5419 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
5421 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5423 * rtl.h (cleanup_barriers): Declare.
5424 * jump.c (cleanup_barriers): New function.
5425 * toplev.c (rest_of_compilation): Call cleanup_barriers
5426 before loop optimizer and after bb_reorder.
5428 * flow.c (back_edge_of_syntactic_loop_p): New.
5429 (split_edge): Use it.
5431 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5433 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
5435 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
5437 * cse.c (cse_process_notes): Replace any registers if the address
5440 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
5442 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
5443 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
5444 (propagate_block): Update prototype.
5445 * flow.c (update_life_info): Simplify the CFG and
5446 recalculate the global regs which are alive when
5447 removing dead code during a global update.
5448 (propagate_block): Return non-zero if an INSN is
5451 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5453 * Makefile.in (LIBICONV): Define.
5455 2001-07-26 Catherine Moore <clm@redhat.com>
5457 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
5458 of conditional to avoid tree checking errors.
5460 2001-07-26 Kazu Hirata <kazu@hxi.com>
5462 * regmove.c (regmove_optimize): Don't replace a reg with
5463 another reg of a different mode.
5465 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
5467 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
5468 limit length of dependancy flush list.
5469 * params.h (MAX_PENDING_LIST_LENGTH): Define.
5470 * sched-int.h (struct deps): Add pending_flush_length field.
5471 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
5472 has 1 element in it.
5473 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
5474 (sched_analyze): After a jump, if the pending memory flush list is too
5475 large, flush the pending lists.
5476 (init_deps): Initialize pending_flush_length to 0.
5477 * doc/invoke.texi (max_pending_list_length): Document parameter.
5479 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
5481 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
5482 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
5483 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
5485 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5487 * cpphash.h (struct_lexer_state): Delete was_skipping.
5488 Move skipping here from struct cpp_reader.
5489 * cpplex.c (parse_identifier): Update.
5490 (_cpp_lex_token): Don't skip tokens in a directive.
5491 * cpplib.c (struct if_stack): Update.
5492 (start_directive, end_directive): Don't change skipping state.
5493 (_cpp_handle_directive): Update.
5494 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
5495 (do_else, do_endif): Update; only check for excess tokens if not
5496 in a skipped conditional block.
5497 (push_conditional): Update for new struct if_stack.
5499 2001-07-26 Graham Stott <grahams@redhat.com>
5501 * function.c (locate_and_pad_parm): Also pad initial offset
5502 so that the total argument size also includes the padding.
5504 2001-07-26 Graham Stott <grahams@redhat.com>
5506 * gensupport.c (alter_output_for_insn): Correct enable checking failure
5507 change XSTR to XTMPL.
5509 (process_one_cond_exec): Likewise
5511 2001-07-25 Richard Henderson <rth@redhat.com>
5513 * varasm.c (assemble_variable): Create DECL_RTL before setting
5516 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
5518 * predict.c (estimate_probability): Avoid duplicated predictions.
5520 * loop.c (find_and_verify_loops): Grok multiple barriers.
5522 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5524 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
5526 * dbxout.c: Consistently use putc instead of fputc.
5527 (print_wide_int): New function; call instead of direct fprintf.
5528 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
5529 (dbxout_type_fields, dbxout_type_method_1): Likewise.
5530 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
5531 (print_int_cst_octal): Likewise.
5532 (print_octal): Show we wrote characters.
5533 (dbxout_type): Set have_used_extensions in more places.
5535 2001-07-25 Catherine Moore <clm@redhat.com>
5537 * config/v850/v850.c (v850_va_arg): Use addr
5538 instead of valist to build incr.
5540 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
5542 * flow.c (delete_dead_jumptables): New function.
5543 (life_analyzis): Call it.
5544 * bb-reorder.c (skip_insns_after_block): Handle contradictory
5547 2001-07-25 Richard Henderson <rth@redhat.com>
5549 * except.c (reachable_handlers): Handle a region being removed
5550 out from under a RESX.
5552 2001-07-25 Richard Henderson <rth@redhat.com>
5554 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
5555 swap GE/GT if it is an fp comparison.
5557 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
5559 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
5562 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
5564 * ssa.c (rename_insn_1): Do not wrap an assignment to a
5565 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
5568 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
5570 (visit_expression): When attempting to simplify an expression,
5571 retrieve any modes for arguments before they are simplified
5574 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
5575 Janis Johnson <janis@us.ibm.com>
5577 * stmt.c (expand_goto): A nonlocal goto can be a call too.
5578 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
5579 pointer parameters to match documented usage of nonlocal_goto.
5580 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
5581 parameters to their correct order.
5582 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
5583 parameters to their correct order.
5585 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
5587 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
5589 2001-07-25 Jan Hubicka <jh@suse.cz>
5590 Richard Henderson <rth@redhat.com>
5592 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
5594 (make_edges): New argument update_p; populate the edge cache if set.
5595 (find_basic_blocks): Update make_edges invocation.
5597 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5599 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
5601 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5603 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
5604 -Acpu and -Amachine.h.
5605 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
5606 Corrected header to say ELF not a.out.
5607 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
5608 when given -msoft-float.
5610 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5612 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
5613 extra multilib parts like arm-elf.
5614 (i960-*-coff*, i960-*-rtems): Should not use collect2.
5615 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
5616 crtfini.o as extra multilib parts.
5618 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5620 * configure.in: Add rtems as a supported thread model.
5621 * gthr-rtems.h: Add missing entry point __gthread_active_p.
5622 * configure: Rebuilt.
5624 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
5626 * stor-layout.c (get_mode_alignment): make it work when
5627 BITS_PER_UNIT is not a power of two.
5628 * builtins.c (get_pointer_alignment): Likewise.
5630 2001-07-24 Richard Henderson <rth@redhat.com>
5632 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
5633 the retrieved constant into the expected mode.
5635 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5637 * flow.c (try_simplify_condjump): Avoid duplicated edges.
5638 (verify_flow_info): Check for duplicated edges; clarify
5641 * flow.c (block_label): Update basic_block_for_insn.
5642 (commit_edge_insertions): Call compute_bb_for_insn.
5644 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
5647 * flow.c (redirect_edge_and_branch,
5648 try_optimize_cfg): Use redirect_edge_succ_nodup
5649 (redirect_edge_succ_nodup): New.
5650 * basic_block.h (redirect_edge_succ_nodup): Declare.
5652 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
5655 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
5657 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
5658 (try_crossjump_to_edge): Update commetns.
5659 (try_crossjump_bb): Likewise.
5661 2001-07-24 Richard Henderson <rth@redhat.com>
5663 * combine.c (distribute_notes): Move set of need_refresh
5664 for noop_move_p down to catch all cases.
5666 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
5668 * recog.c (split_all_insns_noflow): New.
5669 * rtl.h (split_all_insns_noflow): Declare.
5670 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
5671 * m68hc11.c (m68hc11_reorg): Likewise.
5672 * sh.c (machine_dependent_reorg): Likewise.
5673 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
5676 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
5678 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
5679 (ashlsi3_n splitter): Likewise.
5680 (lshrsi3_n splitter): Likewise.
5682 (GOTaddr2picreg): Make const SImode.
5683 (sym_label2reg): Likewise.
5684 (symGOT2reg): Likewise.
5685 (symGOTOFF2reg) Likewise.
5687 (casesi_worker_0): Make unspec SImode.
5689 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
5691 * config/sh/sh.c (barrier_align): Check that an operand really is
5692 an insn before extracting its INSN_CODE.
5694 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
5696 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
5699 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
5700 for SImode to prevent overflow.
5702 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5704 * config/mips/irix6-libc-compat.c: New file.
5705 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
5706 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
5709 2001-07-24 lars brinkhoff <lars@nocrew.org>
5711 * rtl.texi (REG_POINTER): Document.
5712 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
5713 QFmode, HFmode, TQFmode, QCmode, and HCmode.
5715 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5717 * flow.c (delete_noop_moves): Do not confuse libcall regions.
5719 2001-07-23 Richard Henderson <rth@redhat.com>
5721 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
5723 2001-07-23 Kazu Hirata <kazu@hxi.com>
5725 * config/h8300/h8300-protos.h: Add a prototype for
5726 general_operand_dst_push.
5727 * config/h8300/h8300.c (general_operand_dst_push): New.
5728 * config/h8300/h8300.h (OK_FOR_T): New.
5729 (EXTRA_CONSTRAINT): Use it.
5730 * config/h8300/h8300.md (movqi_push): Remove and integrate into
5731 the existing movqi pattern.
5732 (movhi_push): Likewise.
5734 * reload.c: Fix comment typos.
5736 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
5738 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
5740 2001-07-23 H.J. Lu (hjl@gnu.org)
5742 * doc/extend.texi: Update __builtin_return_address and
5743 __builtin_frame_address.
5745 2001-07-23 Richard Henderson <rth@redhat.com>
5747 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
5749 * config/i386/i386.md: New setcc+movzbl peephole2.
5751 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5753 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
5754 * objc/objc-act.c: Include debug.h.
5755 (synth_module_prologue): Save and restore debug hooks too.
5757 2001-07-23 lars brinkhoff <lars@nocrew.org>
5759 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
5760 and C4X_FLOAT_FORMAT.
5761 (BOOL_TYPE_SIZE): Document.
5763 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
5765 * unroll.c (loop_iterations): Fix miscalculation of initial
5768 2001-07-13 Andrew Haley <aph@redhat.com>
5770 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
5771 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
5772 * config/sh/sh.c (sh_can_redirect_branch): New function.
5773 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
5774 * reorg.c (steal_delay_list_from_target): Use
5775 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
5777 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5779 * flow.c (try_simplify_condjump): Unlink insn chain on
5780 fallthru edge; use can_fallthru.
5782 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
5784 * basic-block.h (find_sub_basic_block): Declare.
5785 * flow.c (make_edges): New arguments MIN and MAX;
5786 (find_sub_basic_blocks): Revamp to use make_edges
5787 and purge_dead_edges.
5788 (find_basic_blocks): Update call of find_sub_basic_block.
5790 * recog.c (split_all_insns): Always expect CFG to be consistent;
5791 call find_sub_basic_blocks in case something has changed.
5792 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
5795 * basic-block.h (delete_noop_moves): Declare.
5796 * combine.c (combine_instructions): Call it.
5797 (recog_for_combine): Tolerate noop moves
5798 (distribute_notes): Force refresh when register dies at noop move.
5799 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
5801 (life_analysis): Update delete_noop_moves call.
5802 (set_noop_p): Move too ...
5803 * rtlanal.c (noop_move_p): ... here.
5804 * rtl.h (noop_move_p): Declare.
5806 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
5807 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
5809 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
5810 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
5812 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
5814 * reload.c (push_reload): Fix typo in comment.
5815 (find_reloads_address): Ditto.
5816 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
5818 2001-07-22 Richard Henderson <rth@redhat.com>
5820 * flow.c: Grammar check and clarify a lot of comments.
5821 (try_simplify_condjump): Rename variables to be clearer.
5822 (try_forward_edges): Skip complex and fallthru edges.
5823 Rearrange tests to avoid duplicate checks.
5824 (flow_find_cross_jump): Likewise.
5825 (outgoing_edges_match): Allow match if neither branch has
5826 probability data. Loosen probability match to 5%.
5827 (try_crossjump_to_edge): Hoist repeated indirection into
5829 (try_crossjump_bb): Don't check complex edges. Eliminate
5830 redundant crossjump tests.
5831 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
5832 checks before more expensive checks.
5834 2001-07-22 Richard Henderson <rth@redhat.com>
5836 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
5837 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
5840 2001-07-22 Richard Henderson <rth@redhat.com>
5842 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
5843 (const_sint32_operand): Likewise.
5844 * m68k.md (anon mulsi pattern): Use const_int_operand not
5845 const_sint32_operand.
5846 (umulsi3_highpart): Zero extend a constant input.
5847 (smulsi3_highpart): Don't bother checking SImode constant.
5848 (const_umulsi3_highpart): Give op3 DImode.
5849 (const_smulsi3_highpart): Likewise.
5851 2001-07-22 Richard Henderson <rth@redhat.com>
5853 * flow.c (split_block): Make sure bb_note is included in the
5854 new block when splitting before a label.
5856 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5858 * basic-block.h (redirect_edge_and_branch_force,
5859 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
5860 * flow.c (redirect_edge_and_branch_force,
5861 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
5862 (redirect_edge_and_branch_force): Fix copying of lifeness information.
5863 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
5864 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
5865 instead of label; update CFG after transformation.
5866 (find_if_case_1): Update call, use redirect_edge_and_branch_force
5867 for finishing the transformation; handle even case where ELSE
5868 does not follow THEN.
5869 (find_if_case_2): Update call of dead_or_predictable; simplify
5872 * emit-rtl.c (split_branch_probability): New global variable.
5873 (try_split): Take care to set split_branch_probability and
5874 create REG_BR_PROB note for new jump insns.
5875 * md.texi (define_split): Document new feature.
5877 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
5879 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
5881 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
5882 (asm_out_file): Remove redundant declaration.
5883 (assemble_asm): Remove old #if 0 block.
5884 (assemble_variable): Remove end of function; debug output is
5885 now handled with global_decl. Remove old #if 0 block. Update.
5886 Remove saved_in_section and associated no-op code.
5887 * Makefile.in (varasm.o): Correct dependencies.
5889 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
5891 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5892 the definition in defaults.h.
5894 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
5896 * jump.c: Update comments.
5897 (delete_barrier_successors, delete_unreferenced_labels,
5898 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
5899 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
5900 jump_optimize, jump_optimize_minimal): Kill.
5901 (rebuild_jump_labels): Move code from jump_optimize_1.
5902 (purge_line_number_notes): Likewise.
5903 (copy_loop_headers): Likewise.
5904 * reg-stack.c: Update comment.
5906 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
5907 JUMP_AFTER_REGSCAN): Kill.
5908 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
5909 purge_line_number_notes and copy_loop_headers.
5911 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
5912 Richard Henderson <rth@redhat.com>
5914 * dbxout.c (dbxout_global_decl): New.
5915 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
5916 * sdbout.c (sdbout_finish): New.
5917 (sdbout_debug_hooks): Use it, add comments.
5918 (sdbout_global_decl): Defer initialised public vars to
5920 * varasm.c (assemble_variable): Don't output debug information
5921 for file-scope variables.
5923 2001-07-22 Richard Henderson <rth@redhat.com>
5925 * config/alpha/alpha.c (get_trap_mode_suffix): New.
5926 (get_round_mode_suffix): New.
5927 (print_operand): Use them for [/]. Remove support for [&'`()+].
5928 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
5929 * config/alpha/alpha.md (attr round_suffix): New.
5930 (attr trap_suffix): New.
5931 (all insns): Set them appropriately. Use %/ instead of the
5934 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5936 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
5938 2001-07-22 Richard Henderson <rth@redhat.com>
5940 * regrename.c (regrename_optimize): Compute nregs for each
5941 potential target register.
5943 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
5944 Richard Henderson <rth@redhat.com>
5946 * dbxout.c (dbxout_global_decl): New.
5947 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
5948 * sdbout.c (sdbout_finish): New.
5949 (sdbout_debug_hooks): Use it, add comments.
5950 (sdbout_global_decl): Defer initialised public vars to
5952 * varasm.c (assemble_variable): Don't output debug information
5953 for file-scope variables.
5955 2001-07-21 H.J. Lu (hjl@gnu.org)
5957 * config/mips/mips.c (mips_cpu): Moved into ...
5958 (override_options): Here.
5960 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
5962 (mips_cpu): Removed.
5964 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5966 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
5967 ("iorqi3"): Likewise.
5968 ("xorqi3"): Likewise.
5969 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
5970 ("*subhi3_sp): Likewise.
5971 ("*subhi3"): Likewise.
5972 ("extendhisi2"): Accept D, X and Y as source operand to avoid
5975 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
5977 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
5978 * config/freebsd.h: Likewise.
5979 * config/linux.h: Likewise.
5980 * config/openbsd.h: Likewise.
5981 * config/alpha/linux-elf.h: Likewise.
5982 * config/arm/linux-elf.h: Likewise.
5983 * config/d30v/d30v.h: Likewise.
5984 * config/fr30/fr30.h: Likewise.
5985 * config/ia64/aix.h: Likewise.
5986 * config/ia64/ia64.h: Likewise.
5987 * config/mips/linux.h: Likewise.
5988 * config/pj/pj.h: Likewise.
5989 * config/rs6000/linux.h: Likewise.
5990 * config/sparc/linux.h: Likewise.
5991 * config/sparc/linux64.h: Likewise.
5993 2001-07-20 Bruce Korb <bkorb@gnu.org>
5995 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
5996 because getc() and char* may disagree on signedness.
5998 2001-07-20 Richard Henderson <rth@redhat.com>
6000 * doc/rtl.texi (REG_DEAD): Update for current semantics.
6002 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
6003 insns to delete in the presence of cc0 in a jump insn.
6005 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6006 Jan Hubicka <jh@suse.cz>
6008 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
6009 of doing the change by hand.
6011 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6013 * rtlanal.c (set_noop_p): Return true for noop jumps.
6015 * expr.c (emit_single_push_insn): Add call to push expander.
6016 * expr.h (optab_index): Add OTI_push
6017 (push_optab): New constant.
6018 * genopinit.c (optabs): Add push_optab.
6019 * optabs.c (init_optab): Init push optab.
6020 * md.texi (push??1): Document
6022 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6024 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
6025 expand to emit the pattern; put a REG_INC note for push/pop
6027 ("movdf", "movdf_internal"): Likewise.
6028 ("movsi", "movsi_internal"): Likewise.
6029 ("movsf", "movsf_internal"): Likewise.
6030 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
6032 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6034 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
6037 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
6039 * params.def: Change default max inline insns to 100.
6041 2001-07-20 Diego Novillo <dnovillo@redhat.com>
6043 * combine.c (combine_simplify_rtx): Generate a new shift operation
6044 when simplifying the first operand of a (neg (ashift)) expression.
6046 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6048 * regclass.c (N_REG_INTS): Use only 32 bits per element.
6050 2001-07-20 Kelley Cook <kelley.cook@home.com>
6052 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
6053 information. Move rest into ...
6054 (*-*-solaris): ... here. Eliminate redundant information and
6055 reword necessary packages section. Delete 4.x assembler bug info.
6056 (sparc-sun-*): Merge into ...
6057 (sparc-sun-sunos*): here.
6059 2001-07-20 Catherine Moore <clm@redhat.com>
6061 * config/v850/v850.md (casesi): Generate LABEL_REF
6064 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
6066 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
6067 * i386.c (ix86_zero_extend_to_Pmode): Make global.
6068 * i386.md (strclrsi expander): Use it.
6070 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6072 * integrate.c (copy_insn_list): handle
6073 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
6074 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
6075 identically as to CODE_LABEL.
6077 * fold-const (fold): Convert A/B/C to A/(B*C) and
6080 * except.c (connect_post_landing_pads): Delete the RESX insns.
6082 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
6084 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
6086 * config/mips/mips.md (nmadd/nmsub): Use macro.
6088 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
6090 * cppinit.c (remove_dup_dir): Make static.
6091 (remove_dup_dirs): Make static. Only warn about preempting a
6092 system directory with a non-system directory.
6094 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6096 * ifcvt.c (noce_try_store_flag_constants): Correct order
6097 of parameters to trunc_int_for_mode.
6099 2001-07-19 Mark Mitchell <mark@codesourcery.com>
6101 * reorg.c (fill_simple_delay_slots): If an instruction might throw
6102 an exception that will be caught within this function, do not fill
6103 its delay slot with any subsequent instruction.
6105 2001-07-19 Steve Ellcey <sje@cup.hp.com>
6107 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
6108 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
6109 pointer extension instruction.
6110 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
6111 * simplify-rtx.c (simplify_unary_operation) Likewise.
6112 * explow.c (convert_memory_address) Check value of
6113 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
6115 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
6116 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
6117 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
6118 Add Multilib Support.
6119 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
6120 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
6121 Add Multilib Support.
6122 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
6124 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
6125 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
6126 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
6128 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
6130 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
6131 old and new operands in `<', `3' and `b'.
6133 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6135 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
6136 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
6137 (toplev.o): Don't depend on xcoffout.h.
6138 * c-decl.c: Include debug.h
6139 (duplicate_decls): Use debug hook.
6140 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
6141 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6142 (dbxout_types): Remove.
6143 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
6144 * debug.c (do_nothing_debug_hooks): Update.
6145 (debug_true_tree, debug_nothing_rtx): New.
6146 * debug.h (struct rtx_def): New.
6147 (struct gcc_debug_hooks): New hooks ignore_block,
6148 outlining_inline_function and label.
6149 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
6150 dwarf2out_frame_finish): New.
6151 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
6152 Make static, update prototype.
6153 (dwarf2_debug_hooks): Update.
6154 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
6155 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
6156 * dwarfout.c (dwarf_debug_hooks): Update.
6157 * emit-rtl.c: Include debug.h.
6158 (remove_unnecessary_notes): Use debug hook.
6159 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
6160 (final_scan_insn): Use debug hook.
6161 * integrate.c (output_inline_function): Use debug hook.
6162 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
6163 (sdb_debug_hooks): Update.
6164 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
6165 * toplev.c: Don't include xcoffout.h.
6166 (note_outlining_of_inline_function, debug_ignore_block): Remove.
6167 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
6169 * tree.h (dwarf2out_do_frame): Remove.
6171 2001-07-19 Catherine Moore <clm@cygnus.com>
6173 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
6175 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6177 * reload1.c (eliminate_regs_in_insn): When updating a set
6178 to the frame pointer to the hardware frame pointer, perform
6179 the update always not just when REPLACE is set.
6181 * reload1.c (choose_reload_regs): Don't inherit a reload
6182 that crosses multiple registers if registers past the first
6183 don't fit in the desired class.
6185 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
6186 when negating constants.
6188 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
6190 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
6191 * doc/tree.texi: Ditto.
6193 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
6194 Jakub Jelinek <jakub@redhat.com>
6196 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
6197 (extract_cie_info): Handle "eh" augmentation properly,
6199 (struct frame_state, __frame_state_for): New.
6201 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6203 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
6204 HANDLE_SYSV_PRAGMA): Define.
6205 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
6207 (copy_object): Caller changed.
6209 2001-07-19 Andreas Schwab <schwab@suse.de>
6211 * configure.in (assembler dwarf2 debug_line support): Define nop
6213 * configure: Regenerated.
6215 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6217 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
6219 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
6220 to conditionally compiled block.
6221 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6222 * dbxout.h (dbxout_function): Remove.
6223 * debug.c (do_nothing_debug_hooks): Update.
6224 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
6225 global_decl, deferred_inline_function.
6226 * dwarf2out.c (dwarf2_debug_hooks): Update.
6227 (dwarf2out_global_decl): New.
6228 * dwarfout.c: Don't include dwarfout.h.
6229 (dwarfout_global_decl, dwarfout_function_decl,
6230 dwarfout_deferred_inline_function): New.
6231 (dwarf_debug_hooks): Update.
6232 * dwarfout.h: Remove.
6233 * final.c: Don't include dwarfout.h.
6234 * sdbout.c (sdbout_global_decl): New.
6235 (sdbout_debug_hooks): Update.
6236 * toplev.c: Don't include dwarfout.h.
6237 (check_global_declarations, rest_of_compilation): Use new debug hooks.
6238 (note_deferral_of_defined_inline_function): Remove.
6239 * toplev.h (note_deferral_of_defined_inline_function): Remove.
6240 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
6241 * ch/lex.c: Don't include dwarfout.h.
6242 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
6243 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
6244 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
6245 * cp/optimize.c: Include debug.h.
6246 (maybe_clone_body): Use debug hook.
6247 * cp/semantics.c: Include debug.h.
6248 (expand_body): Use debug hook.
6249 * po/POTFILES.in: Remove dwarfout.h.
6251 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6253 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
6254 * c-parse.in (yyerror, _yylex): Similarly.
6255 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
6256 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
6258 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
6259 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
6261 2001-07-18 Jeff Sturm <jsturm@one-point.com>
6263 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
6264 in-class declaration at -g1. Fixes c++/2814.
6266 2001-07-18 Richard Henderson <rth@redhat.com>
6268 * doc/md.texi (reload_in/out): Document restrictions in predicates
6269 and constraints for these patterns. Document empty string matching
6272 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6274 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
6276 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6278 * cse.c: Undo my previous patch.
6280 2001-07-18 Tom Tromey <tromey@redhat.com>
6283 * configure: Rebuilt.
6284 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
6286 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
6288 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
6289 Jan Hubicka <jh@suse.cz>
6291 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
6292 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
6293 * jump.c (mark_jump_label): Do not forward branches.
6295 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
6297 * cse.c (delete_trivially_dead_insns): Delete the libcall block
6298 when return value is unused.
6300 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6302 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
6304 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
6306 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
6307 on error. We can't blindly return the result of
6308 pthread_mutex_trylock because it returns a positive number on
6309 error, while we must return -1 on error.
6310 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
6312 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
6314 2001-07-18 Andreas Jaeger <aj@suse.de>
6316 * integrate.c (output_inline_function): Correct type of debug_hooks.
6318 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
6320 * combine.c (combine_simplify_rtx): DIV can be treated
6321 associatively for floats if unsafe math optimisations are enabled.
6323 2001-07-17 Richard Henderson <rth@redhat.com>
6325 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
6327 2001-07-17 Richard Henderson <rth@redhat.com>
6329 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
6330 don't force the function address into a register.
6331 (expand_call, emit_library_call_value_1): Update callers.
6332 * builtins.c (expand_builtin_apply): Likewise.
6333 * expr.h (prepare_call_address): Update decl.
6335 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
6337 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
6339 * config/i386/chorus.h: Move up.
6340 * config/sparc/chorus.h: Likewise.
6341 * config/rs6000/chorus.h: Likewise.
6342 * config/chorus.h: Moved here.
6344 2001-07-17 Andreas Schwab <schwab@suse.de>
6346 * configure.in (assembler eh_frame optimization): Handle big
6348 * configure: Regenerated.
6350 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
6352 * expr.c (epxand_expr): Convert divisions into multiplications by
6353 reciprocals if -ffast-math.
6355 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
6357 * dbxout.c (dbxout_really_begin_function): Rename to
6358 dbxout_begin_function.
6359 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6360 (dbxout_begin_function): Remove.
6361 (dbxout_function): Update.
6362 (dbxout_source_line): Update prototype.
6363 * dbxout.h (dbxout_begin_function): Remove.
6364 * debug.c (do_nothing_debug_hooks): Update.
6365 (debug_nothing_tree): Update.
6366 (debug_nothing_charstar_rtx): Remove.
6367 * debug.h (union tree_node): Declare.
6368 (struct rtx_def): Remove.
6369 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
6370 begin_function. Change source_line prototype.
6371 (debug_nothing_tree): New.
6372 (debug_nothing_charstar_rtx): Delete.
6373 (dwarf2out_begin_prologue): Moved from ...
6375 * dwarf2out.c (dwarf2_debug_hooks): Update.
6376 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
6377 debug info, call dwarf2out_source_line.
6378 (dwarf2out_souce_line): Update prototype.
6379 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
6380 Change prototype, make static.
6381 (dwarfout_source_line): Update prototype.
6382 (dwarf_debug_hooks): Update.
6383 * dwarfout.h (dwarfout_begin_function): Remove.
6384 * final.c (final_start_function, final_scan_insn): Use appropriate
6385 debug hooks, update to use notice_source_line.
6386 (output_source_line): Rename notice_source_line. Don't call the
6387 source_line debug hook.
6388 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
6389 make static, update prototype.
6390 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
6392 (sdbout_end_prologue): New.
6393 (sdbout_source_line): Update prototype.
6394 (sdbout_debug_hooks): Update.
6395 (sdbout_symbol): Remove unused var.
6396 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
6398 * varasm.c: Include debug.h.
6399 (assemble_start_function): Use begin_function debug_hook.
6400 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6401 update with prototype.
6402 (xcoffout_source_line): Update prototype.
6403 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6405 (xcoffout_source_line): Update prototype.
6407 2001-07-17 Richard Henderson <rth@redhat.com>
6409 * c-typeck.c (build_binary_op): Do not shorten unsigned
6410 right shift after sign extension.
6412 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
6414 * combine.c (combine_simplify_rtx): Attempt to simplify
6415 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
6417 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
6418 (simplify_binary_operation, simplify_unary_operation,
6419 simplify_relational_operation): Use it.
6421 * combine.c (combine_simplify_rtx): Don't do associative law
6422 on divisions; allow associative law on floats.
6424 2001-07-17 H.J. Lu <hjl@gnu.org>
6425 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6427 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
6428 ASM_OUTPUT_WEAK_ALIAS are defined.
6429 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
6430 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
6432 * config/mips/iris5.h: ... here.
6433 (HANDLE_SYSV_PRAGMA): Defined as 1.
6434 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
6435 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
6438 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
6440 * c-parse.in (all_prefix_attributes): New variable.
6441 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
6442 (maybe_resetattrs): New production.
6443 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
6444 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
6445 notype_initdcl, nested_function, notype_nested_function,
6446 component_decl, components, components_notype,
6447 component_declarator, component_notype_declarator,
6448 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
6449 ivars, mydecl, myparm): Update. Avoid prefix attributes just
6450 after a comma being applied to more than one declarator.
6451 * doc/extend.texi (Attribute Syntax): Update. Remove
6452 documentation of bugs that are no longer present.
6454 2001-07-13 Eric Christopher <echristo@redhat.com>
6456 * config/mips/mips.h: Change TUNE_MIPS* options to use
6458 (EXTRA_SPECS): Add cc1_cpu_spec.
6459 * config/mips/mips.md (muldf3): Fix typo.
6461 2001-07-16 Richard Henderson <rth@redhat.com>
6463 * config/m68k/m68k.c: Include expr.h and reload.h.
6464 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
6465 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
6467 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6468 Richard Henderson <rth@redhat.com>
6470 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
6471 (insn_live_p): Fix fall off end of function.
6472 (dead_libcall_p): Remove COUNTS argument; update callers.
6473 (delete_trivially_dead_insns): Remove unused variables.
6475 2001-07-17 Andreas Jaeger <aj@suse.de>
6477 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
6480 * lcm.c (optimize_mode_switching): Avoid warning for unused
6481 variable if !NORMAL_MODE.
6483 * flow.c (try_crossjump_to_edge): Remove unused variable.
6485 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
6487 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
6488 atexit declaration in stdlib.h.
6490 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
6492 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
6494 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6496 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
6497 * except.c (finish_eh_generation): Update call of cleanup_cfg;
6498 do rebuild_jump_labels instead of jump_optimize
6499 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
6500 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
6501 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
6503 * flow.c: Include timevar.h
6504 (find_basic_block): Push/pop timevar;
6505 (cleanup_cfg): Likewise.
6506 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
6507 * Makefile: Add dependencies on timevar.h
6509 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
6510 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
6512 * rtl.h (delete_trivially_dead_insns): Add new parameter.
6513 * toplev.c (rest_of_compilation): Update calls.
6514 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
6515 (delete_trivially_dead_insns): ... here; accept new argument
6516 preserve_basic_blocks; preserve basic blocks if set.
6518 * reg-stack.c (stack_regs_mentioned): Return 0 if
6519 stack_regs_mentioned_data is not initialized.
6520 (reg_to_stack): Make stack_regs_mentioned survive after the
6521 reg-stack is completted; do not call cleanup_cfg.
6522 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
6523 make cleanup_cfg after bb-reorder to output to debug file.
6525 2001-07-16 Richard Henderson <rth@redhat.com>
6527 * regclass.c (init_reg_sets): Use only 32 bits per initializer
6528 from int_reg_class_contents.
6530 2001-07-16 Richard Henderson <rth@redhat.com>
6532 * hard-reg-set.h (regs_invalidated_by_call): Declare.
6533 * regclass.c (regs_invalidated_by_call): Move from cse.c.
6534 (init_reg_sets_1): Move initialization from cse_main.
6535 * cse.c (regs_invalidated_by_call): Move to regclass.c.
6536 (cse_main): Move its initialization also.
6537 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
6538 * flow.c (propagate_one_insn): Likewise.
6539 * gcse.c (compute_hash_table): Likewise.
6540 (compute_kill_rd, compute_store_table): Likewise.
6541 * sched-deps.c (sched_analyze_1): Likewise.
6543 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
6545 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
6548 2001-07-16 Steve Ellcey <sje@cup.hp.com>
6550 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
6551 in if statement so we don't access undefined memory.
6553 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6555 * gcse.c: Update comment at top.
6556 Update comment on mem handling.
6557 mem_last_set, mem_first_set, mem_set_in_block: gone.
6558 Declaration of reg_set_info: gone.
6559 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
6560 pointless with load_killed_in_block_p (they are *more*
6561 conservative then it, not less, and less accurate).
6562 (oprs_not_set_p): Ditto.
6563 (alloc_gcse_mem): Don't allocate mem_set_in_block
6564 (free_gcse_mem): Don't free it, either.
6565 (record_last_mem_set_info): Update comment in front, remove
6566 mem_*set_* stuff. Note the reason we don't handle stores directly
6568 (compute_hash_table): Update comments to reflect reality. Remove
6569 mem_*set_* references.
6570 (reset_opr_set_tables): Remove mem_*set_* references.
6572 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
6573 (mark_clobber): Ditto (on both parts, we double set here too).
6574 (expr_killed_p): Remove mem_set_in_block test.
6575 (compute_transp): Remove mem_set_in_block test.
6577 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
6578 of edge, and removal of phi alternative to dump file.
6579 (ssa_ccp_substitute_constants): Add note about register now being
6580 constant, and which uses were replaced in what insns to dump file.
6582 2001-07-16 Andreas Jaeger <aj@suse.de>
6584 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
6585 variables of type HOST_WIDEST_INT.
6587 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
6588 (__bb_exit_func): Correct type of count_max to avoid overflow.
6589 (num_digits): Handle long long argument.
6591 * combine.c (gen_lowpart_for_combine): Remove unused variable.
6593 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6595 * output.h (sdb_begin_function_line): Restore as an extern
6597 * sdbout.c (sdb_begin_function_line): Make extern.
6599 2001-07-15 Richard Henderson <rth@redhat.com>
6601 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
6602 * genrecog.c (maybe_both_true_mode): New.
6603 (maybe_both_true_2): Use it.
6604 (write_switch): Don't put Pmode in a switch.
6605 * rtl.c (mode arrays): Don't explicitly size them.
6607 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6609 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
6610 handling; move unconditional splitting before mode switching.
6612 * i386.md (type): Add fistp type.
6613 (i387, length_attr, scheduling definitions): Handle this type.
6614 (fix_trunc?f?i2): Revamp to use mode switching.
6615 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
6616 * i386.h (fp_cw_mode): New enum
6617 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
6618 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
6620 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6622 * Makefile.in (integrate.o): Add debug.h.
6623 * integrate.c (debug.h): Add.
6624 (output_inline_function): Save, reset, and restore debug_hooks.
6626 2001-07-15 Richard Henderson <rth@redhat.com>
6628 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
6629 instead of COMPARE for the EQUIV expression.
6631 2001-07-15 Richard Henderson <rth@redhat.com>
6633 * flow.c (redirect_edge_and_branch_force): Initialize
6634 global_live_at_start and global_live_at_end.
6635 (allocate_bb_life_data): Export.
6636 * basic-block.h (allocate_bb_life_data): Declare.
6637 * toplev.c (rest_of_compilation): Call it.
6639 2001-07-15 Richard Henderson <rth@redhat.com>
6641 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
6642 (alpha_tablejump_best_label): New.
6643 * config/alpha/alpha-protos.h: Declare them.
6644 * config/alpha/alpha.md: Use braced strings for code blocks.
6645 (tablejump_osf): Break out add with r29.
6646 (tablejump_osf_internal): Remove.
6647 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
6648 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
6650 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
6652 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
6655 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
6657 * i386-protos.h (ix86_split_fp_branch): Update prototype.
6658 (ix86_fp_jump_nontrivial_p): New.
6659 * i386.md (fp_jcc_?): Update call of split_fp_branch;
6660 use ix86_fp_jump_nontrivial_p.
6661 * i386.c (ix86_fp_jump_nontrivial_p): New.
6662 (ix86_split_fp_branch): Accept code instead of rtx.
6663 (ix86_expand_compare): Expand comparison early in case
6664 doing so is resonably cheap.
6666 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
6668 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
6670 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
6671 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
6673 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
6675 * dbxout.c (dbxout_source_line): Make static, update prototype.
6676 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
6677 (dbxout_init, dbxout_finish, dbxout_source_line,
6678 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
6679 * dbxout.h (dbxout_source_line): Delete.
6680 * debug.c (debug_nothing_file, debug_nothing_file_int,
6681 debug_nothing_file_charstar_rtx): New.
6682 (do_nothing_debug_hooks): Update.
6683 (debug_nothing_void, debug_nothing_charstar_rtx,
6684 dwarf2out_end_epilogue): New.
6685 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
6686 * debug.h (struct rtx_def): Declare.
6687 (gcc_debug_hooks): New hooks source_line, end_epilogue
6689 (debug_nothing_void, debug_nothing_charstar_rtx,
6690 dwarf2out_end_epilogue): New.
6691 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
6692 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
6693 (dwarf2_debug_hooks): Update.
6694 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
6695 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
6696 * dwarf2out.h (dwarf2out_source_line): Remove.
6697 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
6698 Make static, update prototype.
6699 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
6700 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
6701 (dwarf_debug_hooks): Update.
6702 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
6703 dwarfout_end_function): Remove.
6704 * final.c (profile_function): Use debug hooks for ending functions
6706 (output_source_line, final_end_function): Update prototype,
6708 (final_start_function, final_scan_insn): Update.
6709 * output.h (sdb_begin_function_line): Remove.
6710 (final_end_function): Update prototype.
6711 * sdbout.c (sdb_begin_function_line): Make static.
6712 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
6713 (sdbout_source_line): New.
6714 (sdbout_end_epilogue, sdbout_end_function): Make static, update
6716 (sdb_debug_hooks): Update.
6717 (sdbout_init, sdbout_source_line,
6718 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
6719 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
6720 * toplev.c (compile_file, rest_of_compilation): Update.
6721 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
6722 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
6723 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
6724 Update for prototype changes.
6725 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
6726 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
6728 2001-07-15 Richard Henderson <rth@redhat.com>
6730 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
6731 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
6732 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
6733 * config/alpha/alpha.c: Likewise.
6734 * config/alpha/alpha.md: Likewise.
6735 * config/alpha/alpha32.h: Likewise.
6736 * config/alpha/vms.h: Likewise.
6739 2001-07-14 Richard Henderson <rth@redhat.com>
6741 * config/alpha/alpha.md: Use define_constants for unspec values.
6742 Substitute throughout.
6744 2001-07-14 Tim Josling <tej@melbpc.org.au>
6746 * tree.def (EXPON_EXPR) remove. Never supported anyway.
6748 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
6750 * pa.md: Remove unused constraints from define_split's.
6752 2001-04-14 Richard Henderson <rth@redhat.com>
6754 * ifcvt.c (find_cond_trap): Test for exit block.
6756 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
6758 Re-install recently reverted patch.
6759 * emit-rtl.c (try_split): Update mark_jump_label call.
6760 * flow.c (find_sub_basic_blocks): Likewise.
6761 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
6763 (mark_all_labels): Kill second parameter.
6764 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
6765 (rebuild_jump_labels, jump_optimize_minimal): Update call
6767 (jump_optimize_1): Kill crossjumping code.
6768 (mark_jump_label): Kill cross_jump parameter.
6769 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
6770 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
6771 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
6773 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
6775 (dump_file_info): Likewise.
6776 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
6777 reorganize passes to do reg-stack first, bb-reorder second.
6778 * invoke.texi (-d letters doc): Remove the jump2 pass.
6780 2001-07-14 Richard Henderson <rth@redhat.com>
6782 * ifcvt.c (find_cond_trap): New.
6783 (find_if_header): Call it.
6784 (merge_if_block): Relax existing jump sanity check.
6785 * jump.c (jump_optimize_1): Remove conditional trap handling.
6787 2001-07-14 Alan Modra <amodra@bigpond.net.au>
6789 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
6791 (insn_refs_are_delayed): Correct comment.
6792 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
6793 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
6794 instead of r31. Make associated insn !TARGET_64BIT, and
6795 provide an additional 64-bit insn that clobbers r2.
6797 (udivsi3): Likewise.
6799 (umodsi3): Likewise.
6801 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
6803 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
6805 * flow.c (redirect_edge_and_branch_force, split_edge,
6806 try_crossjump_to_edge): Use set_block_for_new_insns.
6807 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
6809 2001-07-13 H.J. Lu (hjl@gnu.org)
6811 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
6814 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
6816 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
6818 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
6820 * c-common.c (decl_attributes): Take a pointer to the node to
6821 which attributes are to be attached, and a flags argument.
6822 * c-common.h (enum attribute_flags): New.
6823 (decl_attributes): Update prototype.
6824 * c-decl.c (start_decl, push_parm_decl, finish_struct,
6825 finish_enum, start_function): Update calls to decl_attributes.
6826 * c-parse.in (component_declarator, component_notype_declarator,
6827 label): Update calls to decl_attributes.
6829 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
6831 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
6832 * config/avr/avr.c (legitimate_address_p): Return value changed
6833 from letter to register classes. For better debugging.
6835 2001-07-13 Kazu Hirata <kazu@hxi.com>
6837 * jump.c (reversed_comparison_code_parts): Fix comment typos.
6839 2001-07-13 H.J. Lu (hjl@gnu.org)
6841 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
6843 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
6845 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
6846 correctly for shared configurations.
6847 * config/t-libgcc-pic: New.
6848 * config/{i386,m68k,sparc}/t-openbsd: New.
6849 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
6850 Support -shared. Support debugging libraries with -g.
6851 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
6852 frame information does not emit pointer diffs.
6853 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
6856 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
6858 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
6860 2001-07-13 David Edelsohn <edelsohn@gnu.org>
6862 * combine.c (try_combine): Ensure const_int pow2 is positive.
6864 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
6866 * config.gcc: Add configuration for s/390.
6867 * config/s390/s390.c: New. Subroutines for code generation.
6868 * config/s390/s390.h: New. Definitions for s/390.
6869 * config/s390/s390-protos.h: New. Prototypes.
6870 * config/s390/linux.h: New. Definitions for linux for s/390.
6871 * config/s390/linux64.h: New. Definitions for linux for zSeries.
6872 * config/s390/t-linux: New. Makefile fragment.
6873 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
6874 * config/s390/fixdfdi.h: New. Fix L_fix*di.
6876 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
6878 * emit-rtl.c (try_split): Update mark_jump_label call.
6879 * flow.c (find_sub_basic_blocks): Likewise.
6880 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
6882 (mark_all_labels): Kill second parameter.
6883 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
6884 (rebuild_jump_labels, jump_optimize_minimal): Update call
6886 (jump_optimize_1): Kill crossjumping code.
6887 (mark_jump_label): Kill cross_jump parameter.
6888 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
6889 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
6890 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
6892 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
6894 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
6895 reorganize passes to do reg-stack first, bb-reorder second.
6896 * invoke.texi (-d letters doc): Remove the jump2 pass.
6898 2001-07-12 Steve Ellcey <sje@cup.hp.com>
6900 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
6902 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6904 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
6906 (verify_flow_info): Make diagnostics prettier.
6908 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
6910 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
6912 * flow.c (outgoing_edges_match): Return early if condition reversal
6915 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
6917 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
6918 (mips_move_2words): When splitting a move into two instructions,
6919 prefix the second address operand with '%D'.
6921 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
6923 * Makefile.in (final.o): Depend on debug.h.
6924 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
6925 (dbx_debug_hooks): Add new hooks.
6926 (xcoff_debug_hooks): New.
6927 * debug.c (debug_nothing_file_int_int): New.
6928 (do_nothing_debug_hooks): Update.
6929 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
6930 (debug_nothing_file_int_int): New.
6931 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
6932 static, update prototype.
6933 (dwarf2_debug_hooks): Update.
6934 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
6935 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
6936 static, update prototype.
6937 (dwarf_debug_hooks): Update.
6938 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
6939 * final.c: Include debug.h.
6940 (final_scan_insn): Use debug hooks when beginning and ending blocks.
6941 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
6942 static, update prototype.
6943 (sdb_debug_hooks): Update.
6944 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
6945 * toplev.c: Distinguish between xcoff and dbx.
6947 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
6948 Call all debug hooks, not just dwarf ones.
6950 2001-07-11 Timothy Wall <twall@redhat.com>
6952 * config.gcc: Add configuration for AIX5/IA64.
6953 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
6954 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
6955 support prefix/suffix code.
6956 * config/ia64/t-aix: New. Makefile fragment.
6957 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
6959 2001-07-11 Kazu Hirata <kazu@hxi.com>
6961 * recog.c (validate_change): Fix a comment typo.
6963 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
6965 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
6966 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
6968 * dbxout.c (dbx_debug_hooks): Add new hooks.
6969 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
6971 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
6973 * dbxout.h (dbxout_start_new_source_file,
6974 dbxout_resume_previous_source_file): Delete.
6975 * debug.c (do_nothing_debug_hooks): Add new hooks.
6976 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
6977 (debug_nothing_int_charstar, debug_nothing_int): New.
6978 * debug.h (gcc_debug_hooks): New hooks define, undef,
6979 start_source_file and end_source_file.
6980 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
6981 (debug_nothing_int_charstar, debug_nothing_int): New.
6982 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
6983 the conditionally compiled section.
6984 (dwarf2out_start_source_file, dwarf2out_end_source_file,
6985 dwarf2out_define, dwarf2out_undef): Make static.
6986 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
6987 dwarf2out_define, dwarf2out_undef): Remove.
6988 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
6989 (dwarfout_start_source_file, dwarfout_end_source_file,
6990 dwarfout_define, dwarfout_undef): Make static.
6991 (dwarfout_start_source_file_check,
6992 dwarfout_end_source_file_check): New.
6993 (dwarfout_define, dwarfout_finish): Update.
6994 * dwarfout.h (dwarfout_start_new_source_file,
6995 dwarfout_resume_previous_source_file, dwarfout_define,
6996 dwarfout_undef): Remove.
6997 * sdbout.c (sdb_debug_hooks): Add new hooks.
6998 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
7000 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
7001 make static, take an arg.
7002 * sdbout.h (sdbout_start_new_source_file,
7003 sdbout_resume_previous_source_file): Delete.
7004 * toplev.c (debug_start_source_file, debug_end_source_file,
7005 debug_define, debug_undef): Delete.
7006 * toplev.h (debug_start_source_file, debug_end_source_file,
7007 debug_define, debug_undef): Delete.
7009 * java/jcf-parse.c: Include debug.h.
7010 (parse_class_file): Update to use debug hooks directly.
7011 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
7013 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7015 * alias.c (set_mem_alias_set): New function.
7016 * rtl.h (set_mem_alias_set): Declare it.
7017 * builtins.c (expand_builtin_return_addr): Call it instead of
7018 using MEM_ALIAS_SET accessor.
7019 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
7020 (get_memory_rtx, expand_builtin_va_arg): Likewise.
7021 (expand_builtin_va_copy):Likewise.
7022 * caller-save.c (setup_save_areas): Likewise.
7023 * calls.c (compute_argument_addresses): Likewise.
7024 * explow.c (set_mem_attributes): Likewise.
7025 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
7026 (expand_assignment, store_constructor_field, store_field): Likewise.
7027 (expand_expr_unaligned): Likewise.
7028 * function.c (assign_stack_temp_for_type): Likewise.
7029 (put_reg_into_stack, gen_mem_addressof): Likewise.
7030 * ifcvt.c (noce_try_cmove_arith): Likewise.
7031 * reload1.c (reload, alter_reg): Likewise.
7032 * config/alpha/alpha.c (get_aligned_mem): Likewise.
7033 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
7034 (alpha_expand_unaligned_store): Likewise
7035 (alpha_expand_unaligned_load_words): Likewise.
7036 (alpha_expand_unaligned_store_words): Likewise.
7037 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
7038 (alpha_expand_epilogue): Likewise.
7039 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
7040 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
7041 * config/i386/i386.c (legitimize_pic_address): Likewise.
7042 * config/i960/i960.c (setup_incoming_varargs): Likewise.
7043 * config/ia64/ia64.c (spill_restore_mem): Likewise.
7044 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
7045 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
7046 * config/mips/mips.c (mips_va_arg): Likewise.
7047 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
7048 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
7049 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
7050 (setup_incoming_varargs, rs6000_va_arg): Likewise.
7051 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
7052 (rs6000_emit_epilogue): Likewise.
7053 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
7054 * config/sparc/sparc.c (sparc_va_arg): Likewise.
7055 * config/v850/v850.c (v850_va_arg): Likewise.
7057 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
7059 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
7060 when fallthru edge is present.
7061 (mege_blocks): Handle case where creation of jump insn
7064 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
7065 CLEANUP_POST_REGSTACK): New constants.
7066 * except.c (finish_eh_generation): Update call of cleanup_cfg,
7067 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
7068 * output.h (cleanup_cfg): Update prototype.
7069 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
7070 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
7071 cleanup_cfg call; kill missleading comment.
7072 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
7073 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
7074 parameter; control optimizations performed using it.
7075 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
7076 try_crossjump_bb): New functions.
7078 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7080 * pa.c (pa_output_function_prologue): Delete prototype. Make function
7082 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
7083 pa_output_function_prologue.
7084 * pa-protos.h (pa_output_function_prologue): New prototype.
7086 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7088 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
7089 and low to get correct sign extension in low+high test.
7091 2001-07-11 Janis Johnson <janis@us.ibm.com>
7093 * gcov.c (arcdata): Use gcov_type to fix branch percentage
7094 for large hit count.
7096 * profile.c (branch_prob): Fix .bbg info for computed gotos
7099 2001-07-11 Mark Mitchell <mark@codesourcery.com>
7101 * stmt.c (parse_output_constraint): New function, split out
7103 (expand_asm_operands): ... here. Use parse_output_constraint.
7104 * tree.h (parse_output_constraint): Declare it.
7106 2001-07-11 Richard Henderson <rth@redhat.com>
7108 * bitmap.c: Comment some functions; fiddle whitespace.
7109 (bitmap_free): Don't export.
7110 (bitmap_element_allocate): Use memset.
7111 * bitmap.h (bitmap_free): Don't declare.
7113 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
7115 * gcse.c, lcm.c, sched-deps.c:
7116 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
7118 * flow.c (flow_loops_find): Free dom if we found no loops, since
7119 we aren't going to save it.
7121 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
7124 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
7126 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
7128 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7130 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
7131 #ifndef DWARF2_DEBUGGING_INFO.
7133 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7135 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
7137 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7139 * config/mips/mips.c (gen_int_relational): Tell the caller not to
7140 reverse a branch if a NE comparison is implemented with GTU.
7142 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7143 H.J. Lu <hjl@gnu.org>
7145 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
7147 (call_internal2): Likewise.
7148 (call_value_internal1): Likewise.
7149 (call_value_internal2): Likewise.
7150 (call_value_multiple_internal1): Likewise.
7151 (call_value_multiple_internal2): Likewise.
7153 2001-07-10 Kazu Hirata <kazu@hxi.com>
7155 * calls.c (emit_library_call_value_1): Fix a comment typo.
7156 * dwarf2out.c (mem_loc_descriptor): Likewise.
7157 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
7159 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
7161 * simplify-rtx.c (simplify_subreg): Fix typo in comment
7163 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7165 * recog.c (offsettable_address_p): Handle LO_SUM case.
7166 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
7167 instead of plus_constant.
7169 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7171 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
7172 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
7174 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7176 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
7177 adjust_address_nv instead of plus_constant.
7179 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
7181 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
7182 dwarf2out.o): Depend on debug.h, wrap long lines.
7183 * dbxout.c: Include debug.h.
7184 (dbx_debug_hooks): New.
7185 (dbxout_init): Make static, take just 2 args.
7186 (dbxout_finish): Make static.
7187 * dbxout.h (dbxout_init, dbxout_finish): Delete.
7188 * debug.c: New file.
7189 * debug.h: New file.
7190 * dwarf2out.c: Include debug.h.
7191 (dwarf2_debug_hooks): New.
7192 (dwarf2out_init): Make static.
7193 (dwarf2out_finish): Make static, take 2 args.
7194 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
7195 * dwarfout.c: Include debug.h.
7196 (dwarf_debug_hooks): New.
7197 (dwarfout_init): Make static.
7198 (dwarfout_finish): Make static, take 2 args.
7199 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
7200 * sdbout.c: Include debug.h.
7201 (sdb_debug_hooks): New.
7202 (sdbout_init): Make static, take 2 args.
7203 * sdbout.h (sdbout_init): Delete.
7204 * toplev.c: Include debug.h.
7206 (compile_file): Set deubg_hooks based on command line options.
7207 Use the hooks unconditionally rather than conditional compilation.
7209 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
7211 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
7212 first_insn_after_basic_block_note instead.
7214 * df.c (df_bb_refs_unlink): #if 0 out for now.
7216 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
7218 * ssa.h: Add prototype for ssa_const_prop
7219 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
7220 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
7221 (ssa_fast_dce): Remove unused variable
7223 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7225 * diagnostic.c (finish_diagnostic): Rename to
7226 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
7229 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
7231 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
7234 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
7235 (dump_file): Only pad the demangled name with spaces if the
7236 mangled name was padded with spaces.
7238 2001-07-10 Bernd Schmidt <bernds@redhat.com>
7240 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
7243 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7245 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
7246 extraction if no direct load if either EXPAND_CONST_ADDRESS or
7249 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
7250 whether can put offset inside LO_SUM to check mode alignment, not size.
7252 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7254 * doc/tm.texi (Misc): Fix thinko.
7256 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
7258 * regmove.c (replace_in_call_usage): Fix warnings.
7259 * sched-deps.c (add_dependence): Fix warnings.
7260 * simplify-rtx.c (simplify_subreg): Likewise.
7261 Return NULL_RTX instead of NULL.
7263 * reg-stack.c (emit_swap_insn): Eliminate warnings.
7264 (subst_asm_stack_regs): Likewise.
7266 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
7269 * dwarf2out.c (output_call_frame_info): Declare i as int.
7270 (build_abbrev_table): Declare n_alloc as int.
7271 (dwarf2out_finish): Initialize die.
7272 * except.c: Declare sjlj_funcdef_number as unsigned.
7273 (connect_post_landing_pads): Declare j as unsigned.
7274 (convert_to_eh_region_ranges): Initialize call_site.
7275 (output_function_exception_table): Initialize tt_format_size.
7276 * expr.c (move_by_pieces_1): Initialize to1.
7277 (store_constructor): Initialize minelt and maxelt.
7278 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
7279 * function.c (instantiate_decls): Avoid signed/unsigned warning.
7281 * c-decl.c (combine_parm_decls): Unused, remove.
7282 * c-tree.h: Remove prototype for combine_parm_decls.
7284 * reload.c (push_reload): Fix warning.
7285 (regno_clobbered_p): Likewise.
7286 * reload1.c (replace_pseudos_in_call_usage): Likewise.
7287 (reload_combine): Likewise.
7289 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
7290 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
7292 * bitmap.c (bitmap_operation): Change user.
7293 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
7295 2001-07-10 Eric Christopher <echristo@redhat.com>
7297 * config/mips/mips.c (override_options): Fix typo.
7299 2001-07-09 Stan Shebs <shebs@apple.com>
7301 * target.h (struct gcc_target): New fields init_builtins and
7303 * target-def.h (TARGET_INIT_BUILTINS): New macro.
7304 (TARGET_EXPAND_BUILTIN): New macro.
7305 (TARGET_INITIALIZER): Add them.
7306 * builtins.c: Include target.h.
7307 (expand_builtin): Use targetm.expand_builtin.
7308 (default_init_builtins): New function.
7309 (default_expand_builtin): New function.
7310 * expr.h (default_init_builtins): Declare.
7311 (default_expand_builtin): Declare.
7312 * c-common.c (c_common_nodes_and_builtins): Use
7313 targetm.init_builtins.
7314 * defaults.h (MD_INIT_BUILTINS): Remove.
7315 * Makefile.in (builtins.o): Depend on target.h.
7317 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
7318 (TARGET_EXPAND_BUILTIN): Define.
7319 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
7320 (MD_EXPAND_BUILTIN): Remove.
7322 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
7323 (TARGET_EXPAND_BUILTIN): Define.
7324 (c4x_init_builtins): Make endlink arg a local.
7325 (c4x_print_operand): Fix typos in adjust_address usages.
7326 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
7327 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
7328 (MD_EXPAND_BUILTIN): Remove.
7330 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
7331 (TARGET_EXPAND_BUILTIN): Define.
7332 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
7333 (ix86_init_builtins): Call new function only if TARGET_MMX.
7334 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
7335 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
7336 (MD_EXPAND_BUILTIN): Remove.
7338 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
7339 (TARGET_EXPAND_BUILTIN): Define.
7340 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
7341 (MD_EXPAND_BUILTIN): Remove.
7343 * doc/tm.texi: Document these changes.
7345 2001-07-09 Diego Novillo <dnovillo@redhat.com>
7347 * basic-block.h (tree_node): Forward declare if needed.
7348 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
7349 (BLOCK_HEAD_TREE): Define.
7350 (BLOCK_END_TREE): Define.
7351 (struct loops): Rename field 'tree' to 'tree_root'.
7352 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
7354 (flow_loops_tree_build): Rename reference to field 'tree' to
7356 (flow_loops_level_compute): Ditto.
7357 * predict.c (estimate_bb_frequencies): Ditto.
7358 * tree.h (struct tree_common): Add field 'aux'.
7360 2001-07-09 Stan Shebs <shebs@apple.com>
7362 * config/darwin.c (darwin_encode_section_info): Don't mark any
7363 DECL_EXTERNAL node as defined.
7365 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
7367 * pa.c (pa_init_machine_status, pa_mark_machine_status,
7368 pa_free_machine_status, hppa_init_pic_save): Delete.
7369 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
7370 (hppa_profile_hook): Use hppa_pic_save_rtx.
7371 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
7372 hppa_init_pic_save): Delete.
7373 (hppa_pic_save_rtx): Declare.
7374 * pa.md (call, call_value, sibcall, sibcall_value,
7375 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
7377 2001-07-09 Kazu Hirata <kazu@hxi.com>
7379 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
7380 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
7382 2001-07-09 Andreas Jaeger <aj@suse.de>
7384 * output.h: Add declaration of final_forward_branch_p.
7386 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
7388 * varray.c: Include errors.h for internal_error and trim_filename
7391 * Makefile.in (varray.o): Add errors.h.
7393 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
7395 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
7396 * optabs.c (have_add2_insn): Check whether the add insn chosen
7397 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
7398 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
7400 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
7402 * Makefile.in (OBJS): Add ssa-ccp.o
7403 (ssa-ccp.o): Add dependencies.
7404 * toplev.c (DFI_ssa_ccp): New dump file enum.
7405 (dump_file): Add entry for dumping after SSA CCP.
7406 (flag_ssa_ccp): New flag variable.
7407 (f_options): Add -fssa-ccp.
7408 (rest_of_compilation): Run SSA CCP if requested.
7409 * timevar.def (TV_SSA_CCP): New timevar.
7410 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
7411 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
7412 Fix minor typo in SSA DCE documentation.
7413 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
7414 Add documentation for new dump option. Renumber dump files
7417 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7419 * emit-rtl.c (gen_highpart_mode): New.
7420 * rtl.h (gen_highpart_mode): Declare.
7421 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
7422 operand can be VOIDmode constant.
7424 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
7426 * flow.c (redirect_edge_and_branch_force): New.
7427 (can_fallthru): Ensure that basic blocks are succeeding.
7428 (try_optimize_cfg): Do not delete basic block if it is the last one.
7430 * flow.c (try_redirect_by_replacing_jump): Do not remove
7431 jumps with side effects, unlink chain on fallthru edge;
7432 set block for new jump instruction; avoid basic block to
7433 over by line number note.
7435 * flow.c (try_simplify_condjump): Verify that the condjump
7436 is not always falling trought.
7439 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
7441 * flow.c (forwarder_block_p): Fix for fallthru blocks.
7442 (try_redirect_by_replacing_jump): Update properly the count
7443 and frequency information.
7445 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7447 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
7448 address that is a LO_SUM specially.
7449 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
7451 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
7453 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
7454 (operand_subword): Use them.
7455 (change_address_1): Renamed from change_address; new arg VALIDATE.
7456 * expr.h: Reflect above changes; change_address now macro.
7457 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
7459 * cselib.c (add_mem_for_addr): Likewise.
7460 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
7461 * regmove.c (try_apply_stack_adjustment): Likewise.
7462 * reload.c (push_reload, make_memloc): Likewise.
7463 * reload1.c (eliminate_regs): Likewise.
7464 * simplify-rtx.c (simplify_replace_rtx): Likewise.
7465 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
7467 * combine.c (make_extraction, simplify_shift_const): Likewise.
7468 (gen_lowpart_for_combine): Likewise.
7469 * cse.c (gen_lowpart_if_possible): Likewise.
7470 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
7471 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
7472 * optabs.c (gen_move_insn): Likewise.
7473 * reload1.c (alter_reg): Likewise.
7474 * simplify-rtx.c (simplify_subreg): Likewise.
7475 * stmt.c (expand_anon_union_decl): Likewise.
7476 * recog.c (validate_replace_rtx_1): Likewise.
7478 * Makefile.in (recog.o): Add $(EXPR_H).
7479 * explow.c (stabilize): Call replace_equiv_address.
7480 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
7481 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
7483 2001-07-03 Andrew Haley <aph@redhat.com>
7485 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
7486 the mode of the memory location.
7488 2001-07-09 Bo Thorsen <bo@suse.co.uk>
7490 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
7492 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
7494 * final.c (output_addr_const): Use target opening and
7495 closing parentheses.
7496 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
7497 defaults, add to TARGET_ASM_OUT.
7498 * target.h (struct gcc_target): Add open_paren and close_paren.
7499 * doc/md.texi: Update.
7500 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
7501 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
7502 TARGET_ASM_CLOSE_PAREN.
7503 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7505 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7507 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
7508 * config/a29k/a29k.h: Similarly.
7509 * config/alpha/alpha.h: Similarly.
7510 * config/arc/arc.h: Similarly.
7511 * config/arm/aof.h: Similarly.
7512 * config/arm/aout.h: Similarly.
7513 * config/avr/avr.h: Similarly.
7514 * config/c4x/c4x.h: Similarly.
7515 * config/clipper/clipper.h: Similarly.
7516 * config/convex/convex.h: Similarly.
7517 * config/d30v/d30v.h: Similarly.
7518 * config/dsp16xx/dsp16xx.h: Similarly.
7519 * config/elxsi/elxsi.h: Similarly.
7520 * config/fr30/fr30.h: Similarly.
7521 * config/h8300/h8300.h: Similarly.
7522 * config/i370/i370.h: Similarly.
7523 * config/i386/i386.h: Similarly.
7524 * config/i860/i860.h: Similarly.
7525 * config/i960/i960.h: Similarly.
7526 * config/ia64/ia64.h: Similarly.
7527 * config/m32r/m32r.h: Similarly.
7528 * config/m68hc11/m68hc11.h: Similarly.
7529 * config/m68k/m68k.h: Similarly.
7530 * config/m88k/m88k.h: Similarly.
7531 * config/mcore/mcore.h: Similarly.
7532 * config/mips/mips.h: Similarly.
7533 * config/mn10200/mn10200.h: Similarly.
7534 * config/mn10300/mn10300.h: Similarly.
7535 * config/ns32k/ns32k.h: Similarly.
7536 * config/pa/pa.h: Similarly.
7537 * config/pdp11/pdp11.h: Similarly.
7538 * config/pj/pj.h: Similarly.
7539 * config/romp/romp.h: Similarly.
7540 * config/rs6000/rs6000.h: Similarly.
7541 * config/sh/sh.h: Similarly.
7542 * config/sparc/sparc.h: Similarly.
7543 * config/v850/v850.h: Similarly.
7544 * config/vax/vax.h: Similarly.
7545 * config/we32k/we32k.h: Similarly.
7547 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
7549 * doc/c-tree.texi: Document representation of attributes.
7551 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7553 * doc/tm.texi: Update some places for the rename of target to
7556 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7558 * target.h (struct gcc_target): Add insert_attributes.
7559 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
7560 (TARGET_INITIALIZER): Update.
7561 * tree.c, tree.h (default_insert_attributes): New function.
7562 Update comments on other default functions to refer to targetm,
7564 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
7565 TARGET_INSERT_ATTRIBUTES.
7566 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
7567 * c-common.c (decl_attributes): Use targetm.insert_attributes.
7568 Don't use PRAGMA_INSERT_ATTRIBUTES.
7569 * Makefile.in (c-common.o): Depend on $(TARGET_H).
7570 * c-decl.c (start_decl, start_function): Don't call
7571 SET_DEFAULT_DECL_ATTRIBUTES.
7572 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
7573 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
7575 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
7576 (c4x_check_attribute): Avoid modifying attribute list itself.
7577 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
7579 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
7580 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
7582 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
7583 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
7585 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
7586 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
7588 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
7589 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
7590 Adjust parameters. Make static.
7592 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7594 * c-common.c (decl_attributes): Only take a single attributes
7596 * c-common.h (decl_attributes): Update prototype.
7597 * c-decl.c (start_decl, start_function): Only take a single
7598 attributes parameter. Update calls to decl_attributes.
7599 (finish_struct, finish_enum): Update calls to decl_attributes.
7600 (push_parm_decl): Expect unified list of attributes. Update call
7602 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
7603 notype_nested_function, component_declarator,
7604 component_notype_declarator, label): Update calls to
7606 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
7607 lists that are passed to push_parm_decl.
7608 * c-tree.h (start_function, start_decl): Update prototypes.
7609 * config/sh/sh-protos.h, config/sh/sh.c
7610 (sh_pragma_insert_attributes): Only take a single attributes
7612 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
7613 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
7614 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
7615 build_module_descriptor, generate_static_references,
7616 generate_strings, build_selector_translation_table,
7617 generate_descriptor_table, generate_protocols,
7618 generate_ivars_list, generate_dispatch_table,
7619 generate_protocol_list, generate_category,
7620 generate_shared_structures, really_start_method, add_objc_decls,
7621 generate_classref_translation_entry): Update calls to start_decl
7623 (build_tmp_function_decl, start_method_def): Unify attribute lists
7624 that are passed to push_parm_decl.
7626 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
7628 * final.c (no_asm_to_stream): New.
7629 (final_scan_insn): Use target structures for prologue ends
7630 and epilogue starts.
7631 * output.h (no_asm_to_stream): New.
7632 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
7633 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
7634 (TARGET_ASM_OUT): Update.
7635 * target.h (struct gcc_target): New members function_end_prologue
7636 and function_begin_epilogue.
7637 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
7638 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
7639 * config/alpha/alpha.c (output_end_prologue): Rename to
7640 alpha_output_function_end_prologue. Use in target struct
7642 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
7643 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
7644 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
7645 ia64_output_function_end_prologue. Use in target struct
7647 (ia64_function_prologue, ia64_funciton_epilogue): Rename
7648 mistyped prototypes.
7649 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
7650 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
7652 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
7653 an use in target struct, make static.
7654 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
7657 2001-07-08 Richard Henderson <rth@redhat.com>
7659 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
7661 2001-07-08 Richard Henderson <rth@redhat.com>
7663 * config/i386/i386.md: Remove constraints strings from define_split
7664 and define_peephole2 patterns.
7665 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
7666 (eh_return): Use them.
7668 2001-07-08 Richard Henderson <rth@redhat.com>
7670 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
7671 Document MD_FALLBACK_FRAME_STATE_FOR.
7673 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7675 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
7676 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
7678 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
7680 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
7682 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
7683 of the label inside NAME as opposed to just the end of NAME.
7685 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
7687 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
7688 * config/alpha/alpha.c (alpha_init_machine_status,
7689 alpha_mark_machine_status, alpha_free_machine_status): Delete.
7690 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
7691 (vms_valid_decl_attribute_p): Make static, conditionally compile.
7692 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
7694 2001-07-06 Stan Shebs <shebs@apple.com>
7696 * target.h (targetm): Rename global from "target", so as not to
7697 conflict with local variables.
7699 * c-typeck.c: Ditto.
7703 * cp/decl2.c: Ditto.
7704 * cp/typeck.c: Ditto.
7705 * 1750a/1750a.c: Ditto.
7706 * a29k/a29k.c: Ditto.
7710 * clipper/clipper.c: Ditto.
7711 * convex/convex.c: Ditto.
7712 * d30v/d30v.c: Ditto.
7713 * dsp16xx/dsp16xx.c: Ditto.
7714 * elxsi/elxsi.c: Ditto.
7715 * fr30/fr30.c: Ditto.
7716 * h8300/h8300.c: Ditto.
7717 * i370/i370.c: Ditto.
7718 * i386/i386.c: Ditto.
7719 * i860/i860.c: Ditto.
7720 * i960/i960.c: Ditto.
7721 * ia64/ia64.c: Ditto.
7722 * m32r/m32r.c: Ditto.
7723 * m68hc11/m68hc11.c: Ditto.
7724 * m68k/m68k.c: Ditto.
7725 * m88k/m88k.c: Ditto.
7726 * mips/mips.c: Ditto.
7727 * ns32k/ns32k.c: Ditto.
7729 * pdp11/pdp11.c: Ditto.
7730 * romp/romp.c: Ditto.
7731 * rs6000/rs6000.c: Ditto.
7733 * sparc/sparc.c: Ditto.
7735 * we32k/we32k.c: Ditto.
7736 * doc/tm.texi: Update the manual to match.
7738 2001-07-06 Richard Henderson <rth@redhat.com>
7740 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
7741 DWARF2_UNWIND_INFO not just whether it is defined.
7743 2001-07-06 Diego Novillo <dnovillo@redhat.com>
7745 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
7746 call to simplify_binary_operation returns a new pattern.
7748 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
7750 * glimits.h (__SHRT_MAX__): New.
7751 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
7752 (SHRT_MAX): Define in terms of __SHRT_MAX__.
7754 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
7756 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
7759 2001-07-06 Richard Henderson <rth@redhat.com>
7761 * bitmap.c (bitmap_release_memory): Move adjacent to the
7762 allocation functions.
7763 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
7764 the implementation. Binary search for the set bit.
7765 (bitmap_union_of_diff): Allocate the temporary on the stack
7766 instead of using xmalloc.
7768 2001-07-06 Richard Henderson <rth@redhat.com>
7770 * genrecog.c (validate_pattern): Warn for constraints in
7771 define_{expand,split,peephole2}. Remove strict_low_part
7772 before looking up match_dup.
7774 2001-07-06 DJ Delorie <dj@redhat.com>
7776 * doc/gcc.texi (Makefile): Rename to be a more general purpose
7777 chapter about various build hints and history. Add section
7778 talking about the various types of native and cross builds.
7780 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
7782 * Makefile.in (final.o): Depend on target.h.
7783 * final.c: Include target.h.
7784 (default_function_pro_epilogue): New.
7785 (final_start_function): Use target structure for function prologues.
7786 (final_end_function): Use target structure for function epilogues.
7787 * fold-const.c (real_hex_to_f): Constify s and p.
7788 * output.h (default_function_pro_epilogue): New.
7789 * real.h (real_hex_to_f): Update prototype.
7790 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
7791 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
7792 (TARGET_INITIALIZER): Update.
7793 * target.h (gcc_target): Add struct asm_out.
7794 * doc/tm.texi: Update.
7797 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
7798 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
7799 in cpu/cpu.c, or rename old functions consistently. Take
7800 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
7801 redundant macros and prototypes. Make new functions static.
7803 * 1750a/1750a.c: Similarly.
7804 * 1750a/1750a.h: Similarly.
7805 * a29k/a29k-protos.h: Similarly.
7806 * a29k/a29k.c: Similarly.
7807 * a29k/a29k.h: Similarly.
7808 * arc/arc-protos.h: Similarly.
7809 * arc/arc.c: Similarly.
7810 * arc/arc.h: Similarly.
7811 * arm/arm-protos.h: Similarly.
7812 * arm/arm.c: Similarly.
7813 * arm/arm.h: Similarly.
7814 * avr/avr-protos.h: Similarly.
7815 * avr/avr.c: Similarly.
7816 * avr/avr.h: Similarly.
7817 * clipper/clipper-protos.h: Similarly.
7818 * clipper/clipper.c: Similarly.
7819 * clipper/clipper.h: Similarly.
7820 * convex/convex.c: Similarly.
7821 * convex/convex.h: Similarly.
7822 * d30v/d30v-protos.h: Similarly.
7823 * d30v/d30v.c: Similarly.
7824 * d30v/d30v.h: Similarly.
7825 * d30v/d30v.md: Similarly.
7826 * dsp16xx/dsp16xx-protos.h: Similarly.
7827 * dsp16xx/dsp16xx.c: Similarly.
7828 * dsp16xx/dsp16xx.h: Similarly.
7829 * elxsi/elxsi.c: Similarly.
7830 * elxsi/elxsi.h: Similarly.
7831 * fr30/fr30.c: Similarly.
7832 * fr30/fr30.md: Similarly.
7833 * h8300/h8300-protos.h: Similarly.
7834 * h8300/h8300.c: Similarly.
7835 * h8300/h8300.h: Similarly.
7836 * i370/i370-protos.h: Similarly.
7837 * i370/i370.c: Similarly.
7838 * i370/i370.h: Similarly.
7839 * i386/i386.c: Similarly.
7840 * i386/osf1elf.h: Similarly.
7841 * i386/osfrose.h: Similarly.
7842 * i860/i860-protos.h: Similarly.
7843 * i860/i860.c: Similarly.
7844 * i860/i860.h: Similarly.
7845 * i960/i960-protos.h: Similarly.
7846 * i960/i960.c: Similarly.
7847 * i960/i960.h: Similarly.
7848 * ia64/ia64-protos.h: Similarly.
7849 * ia64/ia64.c: Similarly.
7850 * ia64/ia64.h: Similarly.
7851 * m32r/m32r-protos.h: Similarly.
7852 * m32r/m32r.c: Similarly.
7853 * m32r/m32r.h: Similarly.
7854 * m68hc11/m68hc11-protos.h: Similarly.
7855 * m68hc11/m68hc11.c: Similarly.
7856 * m68hc11/m68hc11.h: Similarly.
7857 * m68k/crds.h: Similarly.
7858 * m68k/dpx2.h: Similarly.
7859 * m68k/m68k-protos.h: Similarly.
7860 * m68k/m68k.c: Similarly.
7861 * m68k/m68k.h: Similarly.
7862 * m68k/news.h: Similarly.
7863 * m88k/m88k-protos.h: Similarly.
7864 * m88k/m88k.c: Similarly.
7865 * m88k/m88k.h: Similarly.
7866 * mips/mips-protos.h: Similarly.
7867 * mips/mips.c: Similarly.
7868 * mips/mips.h: Similarly.
7869 * ns32k/merlin.h: Similarly.
7870 * ns32k/ns32k.c: Similarly.
7871 * ns32k/ns32k.h: Similarly.
7872 * ns32k/tek6000.h: Similarly.
7873 * pa/pa-protos.h: Similarly.
7874 * pa/pa.c: Similarly.
7875 * pa/pa.h: Similarly.
7876 * pdp11/2bsd.h: Similarly.
7877 * pdp11/pdp11-protos.h: Similarly.
7878 * pdp11/pdp11.c: Similarly.
7879 * pdp11/pdp11.h: Similarly.
7880 * romp/romp-protos.h: Similarly.
7881 * romp/romp.c: Similarly.
7882 * romp/romp.h: Similarly.
7883 * rs6000/rs6000-protos.h: Similarly.
7884 * rs6000/rs6000.c: Similarly.
7885 * rs6000/rs6000.h: Similarly.
7886 * rs6000/sysv4.h: Similarly.
7887 * sh/sh-protos.h: Similarly.
7888 * sh/sh.c: Similarly.
7889 * sh/sh.h: Similarly.
7890 * sparc/sparc-protos.h: Similarly.
7891 * sparc/sparc.c: Similarly.
7892 * sparc/sparc.h: Similarly.
7893 * vax/vax.c: Similarly.
7894 * vax/vax.h: Similarly.
7895 * vax/vms.h: Similarly.
7896 * we32k/we32k.c: Similarly.
7897 * we32k/we32k.h: Similarly.
7899 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
7901 * basic-block.h (first_insn_after_basic_block_note): Declare.
7902 * flow.c (first_insn_after_basic_block_note): Define. Moved
7904 * ssa.c (first_insn_after_basic_block_note): Remove.
7905 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
7907 (ssa_eliminate_dead_code): Properly update the CFG and PHI
7908 nodes when we find a dead conditional branch. Insert BARRIERs
7909 after any blocks with no successors, but which do not have
7912 2001-07-06 Zack Weinberg <zackw@stanford.edu>
7914 * varray.c (varray_check_failed): Use internal_error.
7916 2001-07-05 Andrew Haley <aph@redhat.com>
7918 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
7919 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
7920 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
7922 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
7924 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
7925 reference if the target constant is also a SYMBOL_REF.
7927 2001-07-05 Eric Christopher <echristo@redhat.com>
7929 * config/mips/mips.h (MASK_MIPS3900): Remove.
7930 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
7931 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
7932 (TARGET_MIPS3900): Change to use mips_arch.
7933 (TARGET_MIPS4000): New.
7934 (TARGET_MIPS4100): New.
7935 (TARGET_MIPS4300): New.
7936 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
7937 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
7939 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
7940 (ISA_HAS_BRANCHLIKELY): To here.
7941 (CC1_CPU_SPEC): New.
7942 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
7943 (mips_arch_string): Declare.
7944 (mips_arch): Declare.
7945 (TARGET_OPTIONS): Add -march and -mtune.
7947 * config/mips/mips.c (mips_arch_string): New.
7949 (override_options): Handle -march for codegen and -mtune
7950 for scheduling. Use mips_arch. Move tx39 target default here.
7951 (mips_parse_cpu): Move error message to override_options.
7953 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
7955 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
7957 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
7958 (MIPS Options): Ditto. Change mcpu entry to historical text.
7960 2001-07-05 H.J. Lu (hjl@gnu.org)
7962 * config/mips/mips.c (mips_parse_cpu): New function to parse
7965 2001-07-05 Jim Wilson <wilson@redhat.com>
7967 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
7968 * config/ia64/t-ia64: Likewise.
7969 (LIB1ASMFUNCS): Update comment.
7971 2001-07-05 David Edelsohn <edelsohn@gnu.org>
7973 * doc/install.texi (Install GCC: Binaries): Fix typo.
7975 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7977 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
7978 reference using the stack pointer, adjust it since we push Y
7980 ("*ashrsi3"): Likewise.
7981 ("*lshrsi3"): Likewise.
7983 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7985 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
7986 when -fomit-frame-pointer is used.
7988 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
7990 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
7991 (try_redirect_by_replacing_jump): Reverse updating properly the
7992 count and frequency information. Reverse removing cc0 setter.
7993 (forwarder_block_p): Reverse fixing for fallthru blocks.
7995 2001-07-05 DJ Delorie <dj@redhat.com>
7997 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
7998 (translate_options): If the above is defined, use it to map
7999 given options to new options.
8000 * doc/tm.texi: Document it.
8002 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
8003 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8005 * doc/invoke.texi (Optimize Options): Document that -fgcse may
8006 cause programs using computed gotos to run more slowly.
8008 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8010 * doc/install.texi (Specific): Markup, spelling and typo fixes.
8012 Consistently require binutils 2.11.2, not prereleases.
8013 (Specific, decstation-*): Canonicalize as mips-dec-*.
8014 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
8016 (Specific, m68k-altos): Removed reference to README.altos, deleted.
8017 (Specific, mips-*): Reword MIPS C compiler requirements.
8018 (Specific, powerpc*-*-*): New, mention --with-cpu once.
8019 (Specific, sunv5): Removed, obsolete.
8021 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
8023 * dwarf2out.c (output_loc_list): Use an all ones mask for
8024 .text asm output and don't rely on long long
8025 literals. Reformat some long lines.
8027 2001-07-05 Andreas Jaeger <aj@suse.de>
8029 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
8032 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8034 * dwarf2out.c (dwarf2out_define): Update comment.
8035 (dwarf2out_undef): Ditto.
8036 (dwarf2out_start_source_file): Ditto.
8037 (dwarf2out_end_source_file): Ditto.
8038 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
8039 since we never call the start/end debug hook for the primary file.
8041 2001-07-04 Kazu Hirata <kazu@hxi.com>
8043 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
8046 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8048 * cppinit.c (remove_dup_dirs): Inform if a system include
8049 directory is being reordered.
8050 * doc/invoke.texi (Directory Options): GCC warns if you hide a
8052 * doc/cpp.texi (Search Paths): Likewise.
8053 * doc/gcc.texi (Interoperation): Remove information about
8056 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8058 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
8059 (VARRAY_TOP_CHAR_PTR): Likewise.
8061 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8063 * gcc.c (process_command): Don't assign elements of a const char*.
8065 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8067 * emit-rtl.c (change_address): Don't abort if invalid address while
8068 reload is in progress.
8070 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8072 * c-lex.c (cb_file_change): Pass line number to
8073 debug_start_source_file.
8074 (cb_undefine): Pass correct line number to debug_undef.
8076 * toplev.c (debug_start_source_file): Add line number to
8077 parameters. Pass it along to dwarf2out_start_source_file.
8078 (decode_g_option): Stop resetting debug level back to normal when
8079 we change debug formats, unless the current level is
8080 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
8083 * toplev.h (debug_start_source_file): Add line number to
8086 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
8089 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
8091 Output debug_macinfo data for starting file if requested.
8092 (dwarf2out_end_source_file): Output debug_macinfo data for ending
8094 (dwarf2out_define): Output debug_macinfo data for defining a macro
8096 (dwarf2out_undef): Output debug_macinfo data for undefining a
8098 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
8099 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
8100 (macinfo_section_label): New. DWARF2 macro info section label.
8101 (dwarf2out_init): If we want macro info, output the start label
8103 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
8104 attribute to the compilation unit die pointing to the macro info.
8106 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8108 * dwarf2out.c (new_loc_list): Move to inside #ifdef
8109 DWARF2_DEBUGGING_INFO.
8110 (add_loc_descr_to_loc_list): Ditto.
8111 (output_loc_list): Ditto.
8112 Also, fix thinko in curr not being initialized.
8113 (gen_internal_sym): Ditto.
8115 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8117 * emit-rtl.c (replace_equiv_address): New function.
8118 * expr.h (replace_equiv_address): New declaration.
8119 * explow.c (validize_mem): Call it instead of change_address and
8120 also call if -fforce-addr and address is constant.
8121 * expr.c: Replace more calls to change_address with adjust_address
8122 and/or replace_equiv_address or to validize_mem.
8123 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
8124 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
8125 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8126 * config/i370/i370.md, config/i860/i860.md: Likewise.
8127 * config/i960/i960.md, config/mips/mips.c: Likewise.
8128 * config/mips/mips.md, config/pa/pa.md: Likewise.
8129 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
8130 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
8132 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8134 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
8136 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
8139 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
8141 * doc/include: New directory.
8142 * doc/fdl.texi: Move to doc/include/fdl.texi.
8143 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
8144 * doc/include/funding.texi, doc/include/gpl.texi: New files.
8145 * doc/gcc.texi: Use funding.texi and gpl.texi.
8146 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
8147 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
8148 Update dependencies and use -I $(docdir)/include.
8150 2001-07-04 Anthony Green <green@redhat.com>
8152 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
8154 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8156 * doc/install.texi (sparc64-*-*): Remove garbage.
8158 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
8160 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
8161 Fix typo in last change to use adjust_address.
8163 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8165 * doc/install.texi (Specific): Update information for *-*-solaris*.
8167 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8169 * explow.c (plus_constant_wide): Reinitialize Y for restart.
8171 2001-07-03 Stan Shebs <shebs@apple.com>
8173 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
8174 case for flag_no_mach_text_sections.
8175 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
8176 * config/darwin.c (flag_no_mach_text_sections): Remove.
8177 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
8179 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8181 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
8182 and avoid checking for constant as first operand.
8183 * recog.c (find_constant_term_loc): No longer static.
8184 (adj_offettable_operand): Delete.
8185 * rtl.h (adj_offsettable_operand): Delete declaration.
8186 (find_constant_term): Add declaration.
8187 * caller-save.c: Replace calls to adj_offsettable_operand with calls
8189 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
8190 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
8191 * config/i386/i386.c, config/i386/i386.md: Likewise.
8192 * config/i860/i860.c, config/i960/i960.c: Likewise.
8193 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
8194 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
8195 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
8196 * config/mips/mips.c, config/mips/mips.md: Likewise.
8197 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
8198 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
8199 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
8200 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
8201 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
8202 * config/ns32k/ns32k.md: Likewise.
8204 2001-07-03 Zack Weinberg <zackw@stanford.edu>
8206 * rtl.c (copy_rtx): Handle 'T' format letter.
8207 * gensupport.c (collect_insn_data): Likewise.
8208 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
8210 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
8212 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
8213 -B option. Use 'dir' not 'foo' as example directory name.
8215 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8217 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8218 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
8220 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8222 * doc/cppinternals.texi: Improve formatting and logical markup.
8224 2001-07-03 Andreas Jaeger <aj@suse.de>
8226 * Makefile.in (insn-recog.o): Add dependency on reload.h.
8228 * genrecog.c (write_header): Include reload.h for prototypes in
8231 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
8234 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
8235 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8236 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
8237 i386_pe_valid_type_attribute_p): Add.
8238 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
8239 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
8241 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8243 * explow.c (plus_constant_wide, case LO_SUM): New case.
8244 (plus_constant_for_output_wide): Delete.
8245 * rtl.h (plus_constant_for_output): Delete.
8246 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
8247 instead of plus_constant_for_output.
8248 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
8249 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
8250 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
8251 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
8252 * config/sparc/sparc.md: Likewise.
8253 Convert some change_address calls to adjust_address.
8255 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8257 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
8258 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
8259 documentation of -std and -Wwrite-strings.
8261 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8263 * cse.c (canon_hash): Don't register registers in very small
8264 register classes, as extending their lifetime might cause
8267 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8269 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8271 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8272 (try_redirect_by_replacing_jump): Update properly the count
8273 and frequency information.
8275 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
8277 * toplev.c (dump_file_index): Move SSA dumps just after first
8279 (dump_file): Corresponding changes.
8280 (rest_of_compilation): Move SSA path to just after the first
8282 * doc/gcc.texi (Passes): Update due to movement of SSA path.
8283 * doc/invoke.texi: Update dump file #s as they were completely
8284 out of date with reality.
8286 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8288 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
8290 * expr.c (emit_move_insn_1): Deal with non-default
8293 * expr.c (emit_single_push_insn): Fix warning.
8295 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8297 * expr.c (emit_move_insn_1): Avoid modifying
8298 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
8300 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8302 * emit-rtl.c (adjust_address): New function.
8303 * expr.h (adjust_address): Add declaration.
8304 * builtins.c: Replace some calls to change_address with calls to it
8306 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
8307 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
8308 * config/arm/arm.c, config/convex/convex.c: Likewise.
8309 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8310 * config/i386/i386.c, config/i386/i386.md: Likewise.
8311 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
8312 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
8313 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
8314 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
8315 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
8317 2001-07-02 Jim Wilson <wilson@redhat.com>
8319 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
8321 2001-07-02 Steve Ellcey <sje@cup.hp.com>
8323 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
8324 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
8326 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8328 * cppinit.c (lang_defaults): New table.
8329 (set_lang): Just read from lang_defaults into the live options
8332 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8334 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
8335 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
8336 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
8338 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8340 * doc/install.texi: Various spelling and markup fixes.
8341 (Installing GCC): Component specific installation instructions are
8344 Warn about removing old install dir in the presence of shared libs.
8345 (Configuration): Invoke with options target to match configure
8347 Consistently refer to gas, gld pathnames.
8348 Invert --enable-multilib documentation.
8349 Remove references to old compiler versions.
8351 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8353 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
8355 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8357 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
8359 (Specific, mips*-sgi-irix5): Note IDO download.
8360 Reworded MIPS C hints.
8361 Use GNU as instead of GAS.
8363 Removed SGI Freeware reference, IRIX 6 only.
8364 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
8365 Note N64 library requirement/workaround.
8367 Complete list of structure passing bug victims.
8369 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8371 * doc/install.texi: Remove CVS Id.
8373 2001-07-02 Andreas Jaeger <aj@suse.de>
8375 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
8376 (find_inherently_necessary): Remove unused variable.
8378 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
8380 * c-common.h (TDI_inlined): New ast dump phase.
8381 (dump_flag_name): New function.
8382 * c-dump.c (dump_files): Add inlined phase.
8383 (dump_flag_name): Define.
8384 * doc/invoke.texi (-fdump-ast-inlined): Document.
8386 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8388 * stor-layout.c (layout_decl): Revert change to handling of alignment
8391 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8393 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
8396 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
8398 * doc/tm.texi (FUNCTION_ARG): Document that the last call
8401 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
8403 * tlink.c (recompile_files): Remove COMPILER_PATH and
8404 LIBRARY_PATH from the environment.
8406 2001-07-01 Zack Weinberg <zackw@stanford.edu>
8408 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
8409 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
8411 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
8413 * c-parse.in (OBJC_STRING): Kill.
8414 (objc_string): Decompose to [objc_string] '@' STRING.
8415 (reswords): Take the leading '@' off all the Objective C keywords.
8416 (objc_rid_sans_at): Kill.
8417 (init_reswords): Don't initialize it.
8418 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
8419 (_yylex): Kill reconsider label. Look ahead one token after
8420 an '@'; if we get an identifier, check whether it's an
8421 Objective C @-keyword. If so, return the keyword. Otherwise,
8422 put back the token and return the '@' as a terminal.
8424 * cpplib.c (lex_macro_node): Remove unnecessary check for
8425 leading '@' on identifier. Clarify control flow and commentary.
8427 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8429 * cse.c (new_label_ref): Variable deleted.
8430 (insert): Remove set of new_label_ref.
8431 (check_for_label_ref): New function.
8432 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
8434 See ChangeLog.5 for earlier changes.