1 2001-09-19 Richard Henderson <rth@redhat.com>
3 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
5 * Makefile.in (cfg.o): Depend on TM_P_H.
7 2001-09-19 Richard Henderson <rth@redhat.com>
9 * config/alpha/alpha.c (local_symbol_p): Split out from ...
10 (local_symbolic_operand): ... here.
11 (small_symbolic_operand): Check mode.
12 (global_symbolic_operand): New.
13 (input_operand): Reject symbolics if explicit relocs.
15 (alpha_legitimize_address): Use movdi_er_high_g.
16 (alpha_expand_mov): Likewise.
17 * config/alpha/alpha-protos.h: Update.
18 * config/alpha/alpha.h (PREDICATE_CODES): Update.
19 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
20 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
21 (UNSPECV_LDGP2): Remove.
22 (all call patterns): Use 's' not 'i' for symbolic constraint.
23 (call_osf call_value_osf): Use call_operand.
24 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
25 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
26 (prologue_ldgp_1_er): Remove.
27 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
28 (builtin_setjmp_receiver_er patterns): Use them.
29 (exception_receiver_er): Likewise.
31 2001-09-19 Richard Henderson <rth@redhat.com>
33 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
35 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
36 and NON_LOCAL_GOTO notes.
37 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
38 copy over CALL_INSN_FUNCTION_USAGE.
40 2001-09-18 Catherine Moore <clm@redhat.com>
42 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
45 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
47 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
48 new-style tm_file specification. Specify correct tm_p_file,
49 md_file, and out_file for s390x.
51 * config/s390/linux.h, linux64.h: Don't include other target
52 macro header files. Now handled via tm_file.
54 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
55 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
56 are defined before use.
58 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
60 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
61 code generation only for Gnu assembler.
63 2001-09-18 Catherine Moore <clm@redhat.com>
65 * config/stormy16 (LIB_SPEC): Remove -lnosys.
67 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
69 * config/mips/mips.c (mips_frame_set): New.
70 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
71 a parallel frame-related expression with a set for each register.
73 2001-09-18 Philip Blundell <philb@gnu.org>
75 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
78 2001-09-17 Dale Johannesen <dalej@apple.com>
80 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
81 * config/rs6000/aix.h (FIXED_R2): Define.
82 * config/rs6000/darwin.h (FIXED_R2): Define.
83 * config/rs6000/sysv4.h (FIXED_R2): Define.
85 2001-09-17 Jeff Sturm <jsturm@one-point.com>
87 * except.c (dw2_build_landing_pads): New local
88 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
89 barrier after clobbers. Fixes c++/4012.
91 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
93 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
95 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
97 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
98 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
100 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
102 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
105 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
107 * cpphash.h (_cpp_lex_direct): New.
108 * cpplex.c (_cpp_lex_token): Update.
109 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
110 and increment that pointer.
111 * cppmacro.c (alloc_expansion_token): New.
112 (lex_expansion_token): Lex macro expansion directly into
115 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
117 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
119 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
121 * basic-block.h (free_bb_for_insn): Declare.
122 * bb-reorder.c (label_for_bb): Use block_label.
123 (emit_jump_to_block_after): Remove.
124 (insert_intra_1): Do not update block_for_insn.
125 (insert_inter_bb_scope_notes): Likewise; update bb->end
126 * cfg.c (free_bb_for_insn): New.
127 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
128 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
129 (commit_one_edge_insertion): Likewise.
130 (commit_one_edge_insertion): Do not update BB boundary.
131 (commit_edge_insertions): Do not call compute_bb_for_insn.
132 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
133 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
134 (merge_blocks_move_successor_nojumps): Likewise.
135 (try_crossjump_to_edge): Do not update block_for_insn.
136 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
137 * df.c (df_pattern_emit_later): Do not update BB boundary.
138 (df_jump_pattern_emit_after): Likewise.
139 (df_insn_move_before): Use emit_insn_before.
140 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
142 (add_insn_after, add_insn_before, emit_insns_after): Update BB
143 boundaries and basic_block_for_insn.
144 (reorder_insns_nobb): Rename from reorder_insns.
145 (reorder_insns): New.
146 (emit_block_insn_before, emit_block_insn_after): Kill.
147 * flow.c (check_function_return_warnings): Do not call
148 compute_bb_for_insn; Do not free basic_block_for_insn.
149 (attempt_auto_inc): Do not update basic_block_for_insn.
150 * function.c (emit_return_into_block): Likewise;
151 do not update BB boundaries.
152 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
153 (insert_insn_end_bb): Use emit_insn_before; Likewise.
154 (pre_insert_copy_insn): Likewise.
155 (update_ld_motion_notes): Likewise.
156 (insert_insn_start_bb): Likewise.
157 (replace_store_insn): Likewise.
158 * ifcvt.c (noce_process_if_block): Likewise.
159 (if_convert): Do not call compute_bb_for_insn.
160 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
161 Use emit_insn_before and emit_insn_after.
162 * recog.c (split_all_insns): Do not update BB boundaries;
163 Do not call compute_bb_for_insn.
164 (peephole2_optimize): Do not update BB boundaries.
165 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
167 (emit_swap_insn): Likewise.
168 (convert_regs_1): Likewise.
169 * reload1.c (reload): Call compute_bb_for_insn.
170 * rtl.h (reorder_insns_nobb): Declare.
171 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
172 * toplev.c (rest_of_compilation): Call free_bb_for_insn
173 at places CFG is invalidated; do not call compute_bb_for_insn.
175 * cfg.c (expunge_block): Invalidate BB structure.
177 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
180 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
182 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
184 * cpphash.h (_cpp_lex_token): Update prototype.
185 * cpplex.c (_cpp_lex_token): New prototype.
186 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
187 lex_macro_node, read_flag, do_pragma_poison): Update.
188 * cppmacro.c (cpp_get_token, parse_params,
189 lex_expansion_token): Update.
191 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
193 * cppmain.c (scan_translation_unit): Don't worry about
194 putting a space after hashes.
195 * cpplib.c (directive_diagnostics): New.
196 (_cpp_handle_directive): Update to use directive_diagnostics.
197 (run_directive): Don't toggle prevent_expansion.
198 (do_line): Backup in case of the line extension.
199 * cpplib.h (cpp_lexer_pos): Remove.
200 * cppmacro.c (_cpp_create_definition): Precede a leading #
203 2001-09-15 Richard Henderson <rth@redhat.com>
205 * c-typeck.c (comptypes): Handle zero-length arrays properly.
207 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
209 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
211 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
214 * tradcpp.c (handle_directive): Skip non-vertical space.
216 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
218 * cppmain.c (setup_callbacks): Set line callback only
219 if outputting preprocessed source.
221 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
223 * collect2.c (main): Const-ification.
224 * gcc.c (translate_options, process_command): Use xstrdup in
225 lieu of xmalloc/strcpy.
226 (main): Use concat in lieu of xmalloc/strcpy/strcat.
228 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
230 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
233 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
235 * scan-decls.c (scan_decls): Fix typo.
237 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
239 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
240 Split mlstring_pos into mls_line and mls_col.
241 * cppinit.c (cpp_create_reader): Initialize line to 1.
242 (cpp_destroy): Free tokenruns.
243 (push_include): Don't update lexer_pos.
244 * cpplex.c (unterminated, parse_string): Update.
245 (lex_token): Don't update lexer_pos, update.
246 * cpplib.c (if_stack): Save line instead of line + col.
247 (start_directive, _cpp_do__Pragma, do_else, do_elif,
248 push_conditional, _cpp_pop_buffer): Update.
249 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
250 (_cpp_create_definition): Update.
252 2001-09-15 Eric Christopher <echristo@redhat.com>
254 * config/mips/abi64.h: Add support for MEABI.
256 2001-09-15 Eric Christopher <echristo@redhat.com>
258 * config/mips/mips.md: Add unspec #2.
260 (reload_outdi): Ditto.
261 (reload_outsi): Ditto.
264 2001-09-15 Eric Christopher <echristo@redhat.com>
265 Jason Eckhardt <jle@redhat.com>
267 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
268 * config/mips/isa32-linux.h: New file.
269 * config/mips/isa3264.h: Ditto.
270 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
271 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
272 (output_block_mode): Support MEABI.
273 (function_arg): Ditto. Fix floating point arg passing.
274 (mips_va_start): Ditto.
275 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
277 (mips_asm_file_start): Add new section to pass abi to gdb.
278 (function_arg_pass_by_reference): Support MEABI.
279 (mips_parse_cpu): Support mips32 and mips64 processors.
280 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
281 TARGET_MIPS5KC. Support isa32 and isa64.
282 (processor_type): Add r4kc, r5kc, r20kc.
283 (GENERATE_MULT3_SI): New.
284 (GENERATE_MULT3_DI): Ditto.
285 (GENERATE_MULT3): Remove.
286 (ISA_HAS_64BIT_REGS): Add isa == 64.
287 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
288 (ISA_HAS_MADD_MSUB): New.
289 (ISA_HAS_CLZ_CLO): Ditto.
290 (ISA_HAS_DCLZ_DCLO): Ditto.
291 (ABI_GAS_ASM_SPEC): New.
292 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
295 (SUBTARGET_CC1_SPEC): Ditto.
296 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
297 (PAD_VARARGS_DOWN): Support MEABI.
298 (HARD_REGNO_NREGS): Move to mips.c.
299 (ASM_OUTPUT_IDENT): Add #undef.
300 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
301 (mulsi3): Use GENERATE_MULT3_SI.
302 (mulsi3_mult3): Ditto. Support mips32, mips64.
303 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
304 (mul_sub_si): New pattern.
305 (unnamed splitters): New.
306 (muldi3): Use GENERATE_MULT3_DI.
307 (muldi3_internal2): Ditto.
308 (movdicc): Support mips32.
309 * config/mips/t-isa3264: New file.
311 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
313 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
314 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
315 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
317 * reorg.c (fill_slots_from_thread): After call to
318 steal_delay_list_from_target, update own_thread as new_thread may
321 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
323 * cpperror.c (print_location): Take line and column, for
324 default positioning use the previously lexed token.
325 (_cpp_begin_message): Take line and column.
326 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
327 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
328 * cpphash.h (_cpp_begin_message): Update prototype.
329 * cppinit.c (push_include): Don't set output line.
330 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
331 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
332 (do_pragma): Kludge for front ends. Don't expand macros at all.
333 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
334 (struct cpp_token): Remove output_line.
335 (struct cpp_callbacks): New member line_change.
336 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
337 cpp_get_token): Preserve BOL flag.
338 (cpp_get_line): Remove.
339 (_cpp_backup_tokens): Remove useless abort().
340 * cppmain.c (cb_line_change): New.
341 (scan_translation_unit): Don't worry about starting new lines here.
342 * scan-decls.c (scan_decls): Update.
343 * c-lex.c (c_lex, init_c_lex): Update.
344 (cb_line_change, src_lineno): New.
346 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
348 * tree.c (append_random_chars): Generate the random
349 characters in a reproducable fashion.
351 2001-09-14 Richard Henderson <rth@redhat.com>
353 * config/i386/i386.c (internal_label_prefix): New.
354 (internal_label_prefix_len): New.
355 (override_options): Set them.
356 (local_symbolic_operand): New.
357 (legitimate_pic_address_disp_p): Use it.
358 (legitimize_pic_address): Likewise.
360 2001-09-14 Marc Espie <espie@openbsd.org>
362 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
365 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
367 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
368 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
370 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
372 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
373 invocation of SUBREG_REGNO_OFFSET.
375 * haifa-sched.c: Fix typo in FSF copyright statement.
376 * sched-deps.c: Fix typo in FSF copyright statement.
377 * sched-ebb.c: Fix typo in FSF copyright statement.
378 * sched-rgn.c: Fix typo in FSF copyright statement.
379 * sched-vis.c: Fix typo in FSF copyright statement.
381 * config.gcc: Move inclusion of arm elf specific header files
382 from the files themselves into the tm_file variable. Make
383 sure that elfos.h is included before target specific elf
385 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
387 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
388 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
389 ASM_OUTPUT_CASE_LABEL): Protect definition.
390 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
392 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
393 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
394 Remove duplicate definition.
395 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
396 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
397 (RDATA_SECTION_FUNCTION): Remove redundant definition.
398 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
399 Remove inclusion of arm/elf.h.
400 * config/arm/unknown-elf.h: as for conix-elf.h.
401 (STARTFILE_SPEC): Include crti.o and crtn.o.
402 * config/arm/linux-elf.h: as for conix-elf.h.
403 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
404 * config/arm/strongarm-elf.h: Remove inclusion of
406 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
407 * config/arm/unknown-elf-oabi.h: Remove inclusion of
408 unknown-elf.h and elf.h.
409 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
410 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
411 ASM_WEAKEN_LABEL): Remove redundant definition.
412 * config/arm/elf.h: Test for inclusion of elfos.h
413 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
414 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
415 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
416 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
417 redundant definition.
418 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
419 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
420 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
421 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
422 Add rules to build crti.o and crtn.o
423 * crti.asm: New file.
424 * crtn.asm: New file.
426 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
428 * c-parse.in (_yylex): Use _cpp_backup_tokens.
429 * cpphash.h (struct tokenrun): Add prev.
430 (struct lexer_state): Remove bol.
431 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
432 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
434 * cppinit.c (cpp_create_reader): Don't set bol.
435 (cpp_destroy): Don't free lookaheads.
436 * cpplex.c (lex_directive): Remove.
437 (next_tokenrun): Update.
438 (_cpp_lex_token): Clean up logic.
439 (lex_token): Update to return a pointer to lexed token, since it
440 can move to the start of the buffer. Simpify newline handling.
441 * cpplib.c (SEEN_EOL): Update.
442 (skip_rest_of_line): Remove lookahead stuff.
443 (end_directive): Line numbers are already incremented. Revert
444 to start of lexed token buffer if we can.
445 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
446 parse_answer): Use _cpp_backup_tokens.
447 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
448 instead. Don't check for EOL.
449 (do_include_common, do_line, do_pragma_system_header): Use
451 * cpplib.h (BOL, _cpp_backup_tokens): New.
452 * cppmacro.c (save_lookahead_token, take_lookahead_token,
453 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
454 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
455 (builtin_macro): Don't use cpp_get_line.
456 (cpp_get_line): Short term kludge.
457 (parse_arg): Handle directives in arguments here. Back up when
458 appropriate. Store EOF at end of argument list.
459 (funlike_invocation_p): Use _cpp_backup_tokens.
460 (push_arg_context): Account for EOF at end of list.
461 (cpp_get_token): Remove lookahead stuff. Update.
463 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
465 * c-parse.in (yyerror): Const-ification and/or static-ization.
466 * c-typeck.c (push_member_name): Likewise.
467 * collect2.c (main): Likewise.
468 * dbxout.c (dbxout_parms): Likewise.
469 * diagnostic.c (format_with_decl): Likewise.
470 * dwarf2out.c (output_ranges): Likewise.
471 * dwarfout.c (fundamental_type_code): Likewise.
472 * except.c (dw2_output_call_site_table): Likewise.
473 * gcc.c (do_spec_1): Likewise.
474 * genopinit.c (optabs): Likewise.
475 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
476 gen_declaration_1, handle_impent): Likewise.
477 * protoize.c (default_include, in_system_include_dir, abspath):
479 * sched-vis.c (visualize_stall_cycles): Likewise.
480 * sdbout.c (plain_type_1, sdbout_end_function,
481 sdbout_end_epilogue): Likewise.
482 * varasm.c (decode_reg_name): Likewise.
484 * 1750a.c (mod_regno_adjust): Likewise.
485 * alpha.c (alpha_write_one_linkage,
486 unicosmk_output_default_externs): Likewise.
487 * arm.c (arm_condition_codes): Likewise.
488 * arm.h (arm_condition_codes): Likewise.
489 * avr.c (output_movsisf, encode_section_info): Likewise.
490 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
492 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
493 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
494 * m88k.c (output_function_profiler): Likewise.
495 * mips.c (mips_output_conditional_branch): Likewise.
496 * ns32k.c (ns32k_out_reg_names): Likewise.
497 * ns32k.h (ns32k_out_reg_names): Likewise.
498 * pj.c (pj_output_rval): Likewise.
499 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
500 * sparc.c (sparc_flat_function_prologue,
501 sparc_flat_function_epilogue): Likewise.
503 2001-09-13 Markus Werle <numerical.simulation@web.de>
504 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
506 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
507 Aachen University of Technology".
509 2001-09-13 Andreas Schwab <schwab@suse.de>
511 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
514 2001-09-13 Richard Henderson <rth@redhat.com>
516 * config/alpha/alpha.c (small_symbolic_operand): New.
517 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
518 (some_operand, input_operand): Don't handle HIGH.
519 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
520 (alpha_expand_mov): Likewise.
521 (print_operand) [H]: Just print HIGH symbol.
522 (print_operand_address): Handle small data.
523 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
524 (TARGET_SWITCHES): Add -msmall-data/large-data.
525 (PIC_OFFSET_TABLE_REGNUM): New.
526 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
527 (PREDICATE_COES): Update.
528 * config/alpha/alpha.md (adddi_er_high): New.
529 (adddi_er_low): Handle small data.
530 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
531 prefer .sdata to .rodata.
532 (SELECT_RTX_SECTION): Likewise.
534 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
536 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
537 defining __size_t and leaving size_t undefined.
539 2001-09-12 Diego Novillo <dnovillo@redhat.com>
541 * basic-block.h (expunge_block): Declare.
542 * cfg.c (expunge_block): Remove static declaration.
544 2001-09-12 Richard Henderson <rth@redhat.com>
546 * integrate.c (copy_insn_list): Copy label name from
547 NOTE_INSN_DELETED_LABEL.
549 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
551 * c-common.c (c_tree_code_name): Const-ification.
552 * c-decl.c (c_decode_option): Likewise.
553 * c-typeck.c (warn_for_assignment): Likewise.
554 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
556 * cppinit.c (output_deps): Likewise.
557 * dependence.c (dependence_string, direction_string): Likewise.
558 * dwarf2out.c (output_ranges): Likewise.
559 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
560 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
561 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
562 standard_startfile_prefix, standard_startfile_prefix_1,
563 standard_startfile_prefix_2, tooldir_base_prefix,
564 standard_bindir_prefix, find_a_file): Likewise.
565 * genattrtab.c (make_length_attrs): Likewise.
566 * gencheck.c (tree_codes): Likewise.
567 * genemit.c (gen_split): Likewise.
568 * genrecog.c (special_mode_pred_table): Likewise.
569 * graph.c (graph_ext): Likewise.
570 * protoize (default_include): Likewise.
571 * reload.c (reload_when_needed_name): Likewise.
572 * sched-vis.c (visualize_stall_cycles): Likewise.
573 * tlink.c (recompile_files): Likewise.
574 * toplev.c (decode_g_option): Likewise.
575 * tradcpp.c (output_deps): Likewise.
576 * varasm.c (decode_reg_name): Likewise.
578 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
581 * avr.c (avr_regnames, encode_section_info): Likewise.
582 * c4x.c (float_reg_names): Likewise.
583 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
584 * elfos.h (const_section): Likewise.
585 * i386.c (ix86_comp_type_attributes): Likewise.
586 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
587 * ia64/aix.h (UNIQUE_SECTION): Likewise.
588 * ia64.c (type_names): Likewise.
589 * m68hc11.c (reg_class_names): Likewise.
590 * m88k.c (m_options): Likewise.
591 * mips.c (mips_output_conditional_branch, mips_unique_section):
593 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
594 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
595 ultra_code_names): Likewise.
596 * sparc.h (OVERRIDE_OPTIONS): Likewise.
598 2001-09-12 Jakub Jelinek <jakub@redhat.com>
600 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
601 Use --fatal-warnings option for gas.
602 * configure: Rebuilt.
604 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
606 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
608 2001-09-11 Jim Wilson <wilson@redhat.com>
610 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
612 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
614 * builtins.c (c_strlen): Treat an offset too large for a
615 HOST_WIDE_INT as out of range.
617 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
619 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
620 (EDGE_CRITICAL_P): New predicate.
621 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
623 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
624 (dump_edge_info): Remove "crit".
625 * cfganal.c (mark_critical_edges): Kill.
626 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
627 * cfgcleanup.c (cleanup_cfg): Likewise.
628 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
629 (find_spanning_tree): Likewise.
630 * reg-stack.c (convert_regs_1): Likewise.
631 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
633 * basic-block.h (create_basic_block_structure): New.
634 (create_basic_block): Update prototype.
635 (force_nonfallthru): New.
636 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
637 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
638 handle updating of block_for_insn, creating of empty BBs and BBs at
639 the end of INSN chain.
640 (create_basic_block): New function.
641 (split_block): Use create_basic_block.
642 (force_nonfallthru_and_redirect): Break out from ...; cleanup
643 (redirect_edge_and_branch_force): ... here.
644 (force_nonfallthru): New.
645 (split_edge): Rewrite to use force_nonfallthru and create_block.
646 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
647 (find_basic_blocks): Free basic_block_for_insn.
648 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
650 * cfg.c: Fix formating.
651 * cfgcleanup.c: Fix formating.
652 (merge_blocks, tail_recursion_label_p): Return bool.
653 (merge_blocks_move_predecessor_nojumps,
654 merge_blocks_move_successor_nojumps): Return void.
656 2001-09-11 Jakub Jelinek <jakub@redhat.com>
658 * configure.in: Check whether assembler supports section merging.
659 * config.in: Rebuilt.
660 * configure: Rebuilt.
661 * varasm.c (variable_section, output_constant_pool): Pass alignment
662 to SELECT_SECTION and SELECT_RTX_SECTION.
663 (mergeable_string_section): New.
664 (mergeable_constant_section): New.
665 (default_elf_asm_named_section): Output SECTION_MERGE and
666 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
667 * output.h (mergeable_string_section): New.
668 (mergeable_constant_section): New.
669 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
670 * toplev.c (flag_merge_constants): New.
671 (f_options): Add -fmerge-constants and -fmerge-all-constants
673 (toplev_main): Default to -fno-merge-constants if not optimizing.
674 * flags.h (flag_merge_constants): Add extern.
675 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
676 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
678 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
679 Define if assembler has working .subsection -1 support.
680 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
681 Put constant into special SHF_MERGE sections if the linker should
682 attempt to merge duplicates.
683 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
685 Put constant into special SHF_MERGE sections if the linker should
686 attempt to merge duplicates.
687 * config/alpha/elf.h: Likewise.
688 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
689 has working .subsection -1 support.
690 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
692 * config/svr3.h: Likewise.
693 * config/darwin.h: Likewise.
694 * config/arm/aof.h: Likewise.
695 * config/arm/linux-elf.h: Likewise.
696 * config/avr/avr.h: Likewise.
697 * config/c4x/c4x.h: Likewise.
698 * config/d30v/d30v.h: Likewise.
699 * config/i386/dgux.h: Likewise.
700 * config/i386/osfrose.h: Likewise.
701 * config/i386/sco5.h: Likewise.
702 * config/i386/svr3gas.h: Likewise.
703 * config/ia64/aix.h: Likewise.
704 * config/m32r/m32r.h: Likewise.
705 * config/m68k/m68k.h: Likewise.
706 * config/m88k/dgux.h: Likewise.
707 * config/m88k/m88k.h: Likewise.
708 * config/mcore/mcore-pe.h: Likewise.
709 * config/mips/mips.h: Likewise.
710 * config/pa/pa.h: Likewise.
711 * config/pa/pa-linux.h: Likewise.
712 * config/romp/romp.h: Likewise.
713 * config/rs6000/sysv4.h: Likewise.
714 * config/rs6000/xcoff.h: Likewise.
715 * config/s390/linux.h: Likewise.
716 * config/sparc/sparc.h: Likewise.
717 * config/sparc/sysv4.h: Likewise.
718 * config/stormy16/stormy16.h: Likewise.
719 * config/v850/v850.h: Likewise.
720 * config/vax/vms.h: Likewise.
721 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
722 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
723 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
724 default_elf_asm_named_section for SHF_MERGE sections.
726 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
728 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
731 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
733 * c-common.c (split_specs_attrs): Allow for empty attributes with
734 empty TREE_PURPOSE. Fixes PR c/4294.
736 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
738 * basic-block.h (cached_make_edge, make_single_succ): New.
739 (make_edge): Remove first parameter.
740 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
741 * cfg.c (cached_make_edge): Rename from make_edge; return newly
742 created edge; use obstack allocation.
743 (make_edge, make_single_succ_edge): New.
744 (first_removed_edge): New static variable.
745 (init_flow): Initialize first_removed_edge and n_edges.
746 (clear_edges): Use remove_edge.
747 (flow_delete_block): Likewise.
748 (remove_edge): Add removed edges to the removed edges list.
749 (split_block, redirect_edge_and_branch_force, split_edge):
751 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
752 (add_noreturn_fake_exit_edges): Likewise.
753 (connect_infinite_loops_to_exit): Liekwise.
754 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
755 Use cached_make_edge.
756 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
757 * profile.c (branch_prob): Update make_edge call.
758 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
760 2001-09-11 Richard Henderson <rth@redhat.com>
762 * config/alpha/alpha.c: Tidy formatting.
763 (local_symbolic_operand): Verify mode.
764 (alpha_sa_mask): Ignore unicos for eh_return.
765 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
766 * config/alpha/alpha.md (umk divsi patterns): Remove.
767 (extendsfdf2): Remove unicos check.
768 (tablejump): Merge vms and unicos code; always use direct set
771 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
773 * config.gcc (alpha*-*-unicosmk*): New target.
775 * config/alpha/alpha-protos.h (symbolic_operand,
776 unicosmk_add_call_info_word, unicosmk_add_extern,
777 unicosmk_defer_case_vector, unicosmk_unique_section,
778 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
779 unicosmk_asm_file_start, unicosmk_asm_file_end,
780 unicosmk_output_common): Declare.
782 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
783 direct_return, function_arg, alpha_va_start, alpha_va_arg,
784 alpha_does_function_need_gp, alpha_end_function): Support Cray
786 (alpha_init_machine_status, alpha_mark_machine_status,
787 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
788 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
789 unicosmk_asm_named_section, unicosmk_insert_attributes,
790 unicosmk_section_type_flags, symbolic_operand,
791 unicosmk_output_module_name, unicosmk_output_default_externs,
792 unicosmk_output_dex, unicosmk_output_externs,
793 unicosmk_output_addr_vec, unicosmk_ssib_name,
794 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
795 unicosmk_asm_file_end, unicosmk_output_common,
796 unicosmk_section_type_flags, unicosmk_unique_section,
797 unicosmk_add_call_info_word, unicosmk_text_section,
798 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
799 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
800 unicosmk_dex_count, unicosmk_special_name): New.
801 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
803 (get_aligned_mem, alpha_expand_unaligned_load,
804 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
805 alpha_expand_unaligned_store_words): Support big-endian mode.
806 (print_operand): Likewise. New format specifier 't'. Use
807 TARGET_AS_SLASH_BEFORE_SUFFIX.
808 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
809 (alpha_pv_save_size): Update with above change.
810 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
811 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
814 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
815 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
816 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
817 (EXTRA_CONSTRAINT): New constraint 'U'.
818 (PREDICATE_CODES): Add symbolic_operand.
820 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
821 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
822 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
823 (integer division and modulus patterns): Split in default and
825 (*divmodsi_internal, *divmoddi_internal): Disable for
827 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
828 little-endian and big-endian versions.
829 (ext, ins, msk): Likewise.
830 (extv, extzv, insv): Support big-endian mode.
831 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
832 (call_umk, call_value_umk, *call_umk, tablejump_umk,
833 *tablejump_umk_internal, *call_value_umk): New.
834 (*movdi_nofix): Add pattern for loading an address into a register on
836 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
837 (umk_mismatch_args, arg_home_umk): New.
838 (various insns): Don't use mov, fmov, nop, fnop and unop.
839 (realign): Support TARGET_ABI_UNICOSMK.
841 * config/alpha/unicosmk.h: New file.
842 * config/alpha/t-unicosmk: New file.
844 * fixinc/inclhack.def (unicosmk_restrict): New.
845 * fixinc/fixincl.x: Regenerate.
847 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
848 (wchar_t): Check for and define __WCHAR_T__.
850 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
852 * combine.c (simplify_shift_const): Treat shifts by the mode
855 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
857 * cpphash.h (struct tokenrun): New.
858 (struct cpp_context): New member bol.
859 (struct cpp_reader): New members.
860 (_cpp_init_tokenrun): New.
861 * cppinit.c (cpp_create_reader): Set up the token runs.
862 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
863 (lex_token): New internalised version of _cpp_lex_token. Don't
864 handle directives or the multiple include opimisation here any
865 more. Simply lex a token.
866 * cpplib.c (run_directive): Clear bol.
867 (_cpp_pop_buffer): Set bol.
868 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
871 2001-09-11 Michael Meissner <meissner@redhat.com>
873 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
874 give an error if the user uses -mfp32.
875 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
877 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
878 floating point register size.
879 (EXTRA_SPECS): Add CPP_FPR_SPEC.
881 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
882 HOST_WIDE_INT_PRINT_DEC to properly print the result of
884 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
885 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
887 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
889 * dbxout.c (dbxout_parms): Fix typo in comment.
890 * unroll.c (loop_find_equiv_value): Ditto.
891 * toplev.c (rest_of_compilation): Ditto.
892 * loop.c (scan_loop): Ditto.
893 * dwarf2out.c (struct dw_fde_struct): Ditto.
895 2001-09-10 Zack Weinberg <zackw@panix.com>
897 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
898 copying identifier when we're just going to throw it away.
899 (parse_identifier_slow): New routine to handle abnormal cases.
900 (_cpp_lex_token): Update call site.
902 * hashtable.c (ht_lookup): Don't assume that the string we've
903 been given is NUL-terminated.
904 * system.h: #define __builtin_expect(a, b) to (a) if not
907 2001-09-10 Michael Meissner <meissner@redhat.com>
909 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
912 2001-09-10 David Edelsohn <edelsohn@gnu.org>
914 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
916 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
918 * builtins.c (c_getstr): Correct thinko in last change and further
921 2001-09-10 Tim Freeman <tim@fungibole.com>
923 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
924 into varray's and register them as roots with the garbage
925 collector so they are not collected too soon.
927 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
929 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
931 * basic-block.h (flow_obstack, label_value_list,
932 tail_recursion_label_list): Declare
933 (tidy_fallthru_edges): Declare.
934 (expunge_block, last_loop_beg_note): Delete.
935 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
937 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
938 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
939 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
940 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
941 expunge_block, flow_delete_block, compute_bb_for_insn,
942 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
943 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
944 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
945 try_redirect_by_replacing_jump, last_loop_beg_note,
946 redirect_edge_and_branch, redirect_edge_and_branch_force,
947 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
948 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
949 commit_edge_insertions, dump_flow_info, debug_flow_info,
950 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
951 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
952 Move here from flow.c
953 * cfganal.c: New file.
954 (forwarder_block_p, can_fallthru, mark_critical_edges,
955 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
956 find_unreachable_blocks, create_edge_list, free_edge_list,
957 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
958 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
959 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
960 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
961 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
962 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
963 Move here from flow.c
964 * cfgbuild.c: New file
965 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
966 make_edges, find_basic_blocks_1, find_basic_blocks,
967 find_sub_basic_blocks): Move here from flow.c
968 * cfgcleanup.c: New file.
969 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
970 merge_blocks_move_predecessor_nojumps,
971 merge_blocks_move_successor_nojumps, merge_blocks,
972 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
973 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
974 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
976 * cfgloop.c: New file
977 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
978 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
979 flow_loop_exit_edges_find, flow_loop_nodes_find,
980 flow_loop_pre_header_scan, flow_loop_pre_header_find,
981 flow_loop_tree_node_add, flow_loops_tree_build,
982 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
983 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
984 Move here from flow.c
985 * flow.c: Remove everything moved elsewhere
986 * output.h (cleanup_cfg): Return bool.
988 * bb-reorder.c (reorder_block_def): Remove 'index'.
989 (insert_intra_1): Add argument BB, set block for new note.
990 (make_reorder_chain): Do not depdent on BB indexes.
991 (make_reorder_chain_1): Do not use BB indexes.
992 (label_for_bb): Likewise; set BB for new insn.
993 (emit_jump_to_block_after): Likewise.
994 (fixup_reoder_chain): Sanity check that all basic blocks
995 are chained; verify newly created insn chain; remove
996 undocnitional jump simplifying; Do not use BB indexes;
997 properly initialize count and frequency information;
998 dump reordered sequence.
999 (insert_intra_bb_scope_notes): update call of insert_intra_1.
1000 (insert_inter_bb_scope_notes): Set block for new insn.
1001 (reorder_basic_blocks): Dump flow info before reoredering.
1003 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1005 * alias.c (clear_reg_alias_info): Use K&R format definition.
1006 Avoid unsigned warning.
1007 * builtins.c: Use "unsigned int", not "unsigned".
1008 (target_char_cast): Use host_integerp and tree_low_cst.
1009 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
1010 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
1011 (c_getstr): Likewise.
1012 (std_expand_builtin_va_arg): Use int_size_in_bytes.
1013 (builtin_memcpy_read_str): Avoid unsigned warning.
1014 (expand_builtin_memcpy): Alignments are unsigned.
1015 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
1016 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
1017 * predict.c (expensive_function_p): LIMIT now unsigned.
1018 * resource.c (mark_target_live_regs): Make some vars unsigned.
1019 * sdbout.c: Use "unsigned int", not "unsigned".
1020 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
1021 (sdbout_source_line): Likewise.
1022 (sdbout_record_type_name): Remove "const" for NAME declaration.
1023 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
1025 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
1027 * calls.c (store_one_arg): Expand comment.
1029 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1031 * calls.c (store_one_arg): Make sure that the entire argument is
1032 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
1034 2001-09-09 Richard Henderson <rth@redhat.com>
1036 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
1038 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1040 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
1042 2001-09-09 Richard Henderson <rth@redhat.com>
1044 * config/alpha/alpha.c (alpha_next_sequence_number): New.
1045 (alpha_this_literal_sequence_number): New.
1046 (alpha_this_gpdisp_sequence_number): New.
1047 (some_operand, input_operand): Add HIGH.
1048 (local_symbolic_operand): New.
1049 (alpha_encode_section_info): New.
1050 (alpha_legitimate_address_p): Allow LO_SUM.
1051 (alpha_legitimize_address): Generate HIGH+LO_SUM.
1052 (alpha_expand_mov): Likewise.
1053 (secondary_reload_class): Check memory_operand not general_operand
1055 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
1056 (alpha_expand_unaligned_store): Likewise.
1057 (alpha_expand_unaligned_load_words): Likewise.
1058 (alpha_expand_unaligned_store_words): Likewise.
1059 (alpha_expand_block_clear): Likewise.
1060 (print_operand): Handle %#, %*, %H.
1061 (print_operand_address): Handle LO_SUM.
1063 (alpha_does_function_need_gp): Use it.
1064 (alpha_expand_block_move): Fix signed compare warnings.
1065 (alpha_sa_mask, alpha_align_insns): Likewise.
1066 * config/alpha/alpha-protos.h: Update.
1067 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
1068 (MASK_EXPLICIT_RELOCS): New.
1069 (TARGET_SWITCHES): Add -mexplicit-relocs.
1070 (EXTRA_CONSTRAINT): Add 'T'.
1071 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
1072 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
1073 (ENCODE_SECTION_INFO): Out line.
1074 (REDO_SECTION_INFO_P): New.
1075 (STRIP_NAME_ENCODING): New.
1076 (ASM_OUTPUT_LABELREF): New.
1077 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
1078 (PREDICATE_CODES): Update.
1079 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
1080 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
1081 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
1082 builtin_setjmp_receiver_er, exception_receiver_1_er,
1083 call_value_osf_1_er): New patterns.
1084 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
1085 (movqi, movhi, movsi): Add explicit $31 base register to lda.
1086 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
1087 (FINAL_PRESCAN_INSN): New.
1089 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
1091 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
1093 2001-09-08 Andreas Jaeger <aj@suse.de>
1095 * i386.h (TARGET_SWITCHES): Fix description.
1097 2001-09-07 David Edelsohn <edelsohn@gnu.org>
1099 * rs6000.c (num_insns_constant): Compute number of instructions
1102 * doc/install.texi: Explain AIX exception handling work-around.
1103 Update URL for AIX fixes.
1105 2001-09-07 Jim Wilson <wilson@redhat.com>
1107 * alias.c (clear_reg_alias_info): New.
1108 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
1109 * rtl.h (clear_reg_alias_info): Declare.
1111 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1113 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
1115 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
1116 (m16m,edivm,emulm): Change declaration to match definition.
1118 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1120 * reload.c (push_reload): Check for subreg_lowpart_p instead of
1121 SUBREG_BYTE being 0 when determining if the inner part of a subreg
1124 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1126 * c-common.c (signed_or_unsigned_type): Handle machine mode types
1127 which have no corresponding C type.
1128 * fold_const.c (target_isinf,target_isnan,target_negative): Update
1129 the representation of 64-bit doubles to work with 64-bit ints.
1131 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
1133 * config/mips/mips.c (override_options): Do not override ISA when ABI
1134 specified if MIPS_CPU_STRING_DEFAULT was specified.
1136 2001-09-07 Richard Henderson <rth@redhat.com>
1138 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
1139 (express_from_1): Wrap lines.
1140 * rtlanal.c (commutative_operand_precedence): Rename from
1141 operand_preference; export.
1142 * rtl.h: Declare it.
1143 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
1144 (simplify_binary_operation): Invoke simplify_plus_minus on
1145 (CONST (PLUS ...)) as well.
1146 (struct simplify_plus_minus_op_data): New.
1147 (simplify_plus_minus_op_data_cmp): New.
1148 (simplify_plus_minus): Use them. Avoid infinite recursion with
1149 simplify_binary_operation wrt CONST.
1151 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
1153 * h8300-protos.h (general_operand_dst_push): Remove.
1154 * h8300.c (general_operand_dst_push): Likewise.
1155 * h8300.h (OK_FOR_T): Likewise.
1156 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
1157 * h8300.md (pushqi_h8300): New.
1158 (pushqi_h8300hs): Likewise.
1160 (pushhi_h8300): Likewise.
1161 (pushhi_h8300hs): Likewise.
1164 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1166 * genattrtab.c (attr_printf): First arg is unsigned.
1167 Clean up formatting of callers.
1169 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
1171 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
1174 2001-09-07 Andreas Jaeger <aj@suse.de>
1176 * i386.h (TARGET_SWITCHES): Fix descriptions.
1178 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1180 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
1182 2001-09-06 Ira Ruben <ira@apple.com>
1184 Remove OP_IDENTIFIER.
1185 * tree.def (OP_IDENTIFIER): Remove.
1186 * tree.c (tree_node_kind enum): Remove op_id_kind.
1187 (tree_node_kind_names): Remove "op_identifiers".
1188 (make_node): Remove OP_IDENTIFIER test.
1189 (build_op_identifier): Removed because it isn't being used.
1190 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
1191 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
1193 2001-09-06 Richard Henderson <rth@redhat.com>
1195 * simplify-rtx.c (simplify_binary_operation): Revert last change.
1197 2001-09-06 Richard Henderson <rth@redhat.com>
1199 * simplify-rtx.c (simplify_binary_operation): Simplify contents
1202 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1204 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
1205 number used for CR register.
1207 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1208 Joern Rennecke (amylaar@cygnus.com)
1210 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
1211 * h8300.c (initial_offset): Handle offset between RP and FP.
1212 (h8300_return_addr_rtx): New function.
1213 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
1215 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
1216 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
1217 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
1218 (CAN_ELIMINATE, REGISTER_NAMES):
1219 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
1221 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
1223 Remove TYPE_NONCOPIED_PARTS.
1224 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
1225 (struct tree_type): Remove noncopied_parts.
1226 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
1227 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
1228 (fixed_type_p): Remove.
1229 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
1230 (expand_expr, MODIFY_EXPR): Likewise.
1231 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
1232 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
1234 2001-09-06 Alan Modra <amodra@bigpond.net.au>
1236 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
1238 (mask64_operand): Likewise.
1239 (includes_rldic_lshift_p): Likewise.
1240 (includes_rldicr_lshift_p): Likewise.
1242 2001-09-05 Ziemowit Laski <zlaski@apple.com>
1244 * objc/objc-act.c (build_message_expr): If a class method cannot
1245 be found, do not issue a warning if a corresponding instance
1246 method exists in the root class.
1248 2001-09-05 Richard Henderson <rth@redhat.com>
1250 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
1252 2001-09-05 Zack Weinberg <zack@codesourcery.com>
1254 * function.c (ggc_mark_struct_function): Mark f->outer.
1255 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
1256 * integrate.c (output_inline_function): ... not here.
1258 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1260 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
1262 * i386.c (size_cost): New static variable.
1263 (override_function): Use size_cost when -Os is specified.
1265 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
1266 properly; Use current_function_calls_eh_return.
1267 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
1268 use leave to avoid depdendancy chain.
1270 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
1271 get BB loop_depth instead of computing it from LOOP notes.
1273 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
1275 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1277 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1278 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1279 UNALIGNED_DOUBLE_INT_ASM_OP): Define
1281 2001-09-05 Jeffrey A Law (law@cygnus.com)
1282 Jason Merrill (jason@redhat.com)
1284 * stor-layout.c (layout_type): Complain if an array's size can
1285 not be represented in a size_t.
1287 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
1289 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
1291 * gcc.c: (process_command) Add parentheses around assignment
1292 used as truth value.
1294 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1296 * config/mips/mips.c (save_restore_insns): Don't mark any register
1297 save slots as unchanging if current_function_calls_eh_return.
1299 2001-09-05 Richard Henderson <rth@redhat.com>
1301 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
1302 * config/alpha/alpha-protos.h: Declare it.
1303 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
1304 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
1305 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
1306 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
1307 (REG_OK_FOR_BASE_P): Select one of the above.
1309 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1311 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
1312 (crti.o): Prefix name of object file with $(T).
1315 2001-09-05 David S. Miller <davem@redhat.com>
1317 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
1318 * config/sparc/linux64.h: Likewise.
1320 2001-09-05 Andreas Jaeger <aj@suse.de>
1322 * doc/invoke.texi (i386 Options): -mwide-multiply is not
1323 available anymore, remove the documentation.
1324 (i386 Options): Fix typo, cleanup index entries.
1326 * prefix.c (concat): Remove, we can use the version from liberty.
1328 2001-09-05 Richard Henderson <rth@redhat.com>
1330 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
1331 New functions split out of md file expanders.
1332 * config/alpha/alpha-protos.h: Declare them.
1333 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
1335 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
1337 * cppmacro.c (funlike_invocation_p): No need to restore context.
1339 2001-09-04 Richard Henderson <rth@redhat.com>
1341 * reload.c (push_reload): Export.
1342 * reload.h (push_reload): Declare it.
1344 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
1345 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1346 * config/alpha/alpha.c (alpha_legitimize_address): New.
1347 (alpha_legitimize_reload_address): Likewise.
1348 * config/alpha/alpha-protos.h: Declare them.
1350 2001-09-04 Stan Shebs <shebs@apple.com>
1352 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
1353 * config/darwin.c (machopic_stub_name): Account for internally
1354 generated lib calls such as memcpy.
1356 2001-09-04 Richard Henderson <rth@redhat.com>
1358 * unwind.h (_UA_END_OF_STACK): New flag.
1359 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
1361 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1363 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
1365 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
1367 * config/mips/mips.c (save_restore_insns): Change base_offset to
1368 fp_offset in second call to mips_emit_frame_related_store.
1370 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
1372 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
1373 sometimes be represented as a NOTE of type
1374 NOTE_INSN_DELETED_LABEL.
1375 (Insns): Document NOTE_INSN_DELETED_LABEL.
1377 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
1379 * c-common.h (tree_dump_index): Add more comments.
1380 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
1381 (dump_option_value_info): New struct.
1382 (dump_options): New array.
1383 (dump_switch_p): Parse switch options symbolically.
1384 * doc/invoke.texi (-fdump-ast): Rename to ...
1385 (-fdump-tree): ... here. Document that options are symbolic, and
1386 not all are applicable.
1388 2001-09-04 David S. Miller <davem@redhat.com>
1390 * config/sparc/sparc.md (define_splits): Kill constraints.
1392 Cleanup redundant and unused insn attributes.
1393 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
1394 binary, and move. Mark ialu as default.
1395 (commented out define_function_unit "alu"): Kill.
1396 (define_attr "use_clobbered"): Kill.
1397 (whole file): Kill address insn type references. Replace
1398 all unary/binary/move references with ialu.
1399 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
1400 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
1403 Simplify length insn attribute and make more judicious use
1404 of insn attribute defaulting.
1405 * config/sparc/sparc.md (all insns with length > one): Mark as
1406 insn type multi if real instructions, else use default if
1407 it is a forced splitter.
1408 (all insns with length == one): Use default insn length.
1409 (all insns of type ialu): Use default insn type.
1411 Fix erroneous insn attribute settings.
1412 (addx): Set insn type to misc.
1413 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
1414 const_umulsidi3_sp64): Set insn type to imul.
1416 Track SFmode vs DFmode insns according to UltraSPARC
1418 * config/sparc/sparc.md ("fptype"): New attribute, default
1420 (all DFmode single insns): Mark as fptype "double".
1422 2001-09-03 Jakub Jelinek <jakub@redhat.com>
1424 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
1426 2001-09-03 Richard Henderson <rth@redhat.com>
1428 * function.h (struct function): Add arg_pointer_save_area_init.
1429 * function.c (expand_function_end): Init arg_pointer_save_area.
1430 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
1431 when called from a nested function.
1433 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
1435 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
1438 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1440 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
1442 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
1444 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
1445 (emit_push_insn): Use specified padding direction when
1446 STACK_PUSH_CODE is POST_INC.
1448 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
1450 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1452 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
1454 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
1456 * cppinit.c (cpp_start_read): Free the imacros list as we
1457 traverse it. Don't free the chains before returning.
1458 (_cpp_push_next_buffer): Only try pushing buffers if we've
1459 completed -imacros handling.
1461 2001-08-31 Eric Christopher <echristo@redhat.com>
1463 * gcc.c (handle_braces): Add explaination for abort.
1465 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
1467 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
1468 move adjustment of bitpos instead.
1470 2001-08-31 Zack Weinberg <zack@codesourcery.com>
1472 * function.c: Remove all_functions. Make outer_function_chain
1474 (init_function_start): Don't add new function structure to
1476 (find_function_data, push_function_context_to,
1477 pop_function_context_from, put_var_into_stack,
1478 trampoline_address): Update for changed structure element names.
1479 (push_function_context_to): Disentangle.
1480 (free_after_compilation): Also free F.
1481 (expand_dummy_function_end): Don't free cfun here.
1482 (put_var_into_stack): Comment why we can't use find_function_data here.
1483 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
1484 (mark_function_chain): Split into maybe_mark_struct_function and
1485 ggc_mark_struct_function. Export the latter.
1486 (init_function_once): Mark from cfun and outer_function_chain;
1489 * function.h (struct function): Kill next_global. Rename next
1490 to outer. All users updated to match.
1491 (all_functions, outer_function_chain): Don't declare.
1493 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
1494 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
1495 don't touch f->inlinable, after calling rest_of_compilation.
1497 * tree.h: Forward-declare struct function. Prototype
1498 ggc_mark_struct_function.
1500 2001-08-31 Kazu Hirata <kazu@hxi.com>
1502 * config/h8300/h8300.md (*andorhi3): Fix typos.
1504 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1506 * calls.c (emit_library_call_value): Don't use a fixed
1507 argument after VA_CLOSE, i.e. out of scope in traditional C.
1509 * emit-rtl.c (gen_rtvec): Likewise.
1511 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1513 * Makefile.in (c-pragma.o): Depend on output.h.
1514 (reorg.o): Depend on except.h.
1516 * c-pragma.c: Include output.h.
1518 * reorg.c: Include except.h.
1520 * unwind-dw2.c: Call __builtin_alloca, not alloca.
1522 2001-08-31 Richard Henderson <rth@redhat.com>
1524 * sched-deps.c (add_dependence): Don't elide dependancy if the
1525 conditional used by insn is modified in elem.
1527 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
1529 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
1531 2001-08-31 Diego Novillo <dnovillo@redhat.com>
1533 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
1536 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1538 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
1540 (stormy16_asm_out_constructor): New function.
1541 (TARGET_ASM_CONSTRUCTOR): Define.
1542 (TARGET_ASM_DESTRUCTOR): Define.
1544 2001-08-31 Andreas Jaeger <aj@suse.de>
1546 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
1547 * loop.c (add_label_notes): Likewise.
1548 * reload.c (find_reloads): Likewise.
1549 * config/sh/sh.c (machine_dependent_reorg): Likewise.
1551 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
1553 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
1554 code here. Take _Unwind_{W,Sw}ord*.
1555 (read_encoded_value_with_base): Use them.
1556 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
1558 (extract_cie_info): Simplify read_?leb128 handling.
1559 (execute_stack_op, execute_cfa_program): Likewise.
1560 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
1562 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1564 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
1565 the frame pointer to pop the stack if convenient.
1567 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
1568 Don't use post-increment before combine.
1569 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
1570 a call-saved register.
1572 2001-08-31 Andreas Jaeger <aj@suse.de>
1574 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
1577 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
1579 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
1580 not DIV/MOD, of course.
1582 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
1584 * rtl.def: Undo my patch commited 2001-08-27.
1586 * genattrtab.c: Ditto.
1590 * sched-int.h: Ditto.
1592 * target-def.h: Ditto.
1596 * haifa-sched.c: Ditto.
1598 * sched-rgn.c: Ditto.
1600 * sched-vis.c: Ditto.
1602 * Makefile.in: Ditto.
1604 * doc/md.texi: Ditto.
1606 * doc/tm.texi: Ditto.
1608 * doc/contrib.texi: Ditto.
1610 * doc/gcc.texi: Ditto.
1612 * genattrtab.h: Remove it.
1614 * genautomata.c: Remove it.
1616 * genattr.c: Undo my patch and Richard Henderson's patch commited
1619 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
1621 * config.gcc (h8300-*-elf*): New case.
1622 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
1623 (SUBTARGET_CPP_SPEC): Define.
1624 (EXTRA_SPECS): Define.
1625 (SUBTARGET_EXTRA_SPECS): Define.
1626 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
1627 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
1629 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
1631 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
1632 (LIB2FUNCS_EXTRA): Define.
1633 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
1634 config/h8300/fixunssfsi.c: New file.
1636 2001-08-30 Kazu Hirata <kazu@hxi.com>
1638 * config/h8300/h8300.md (zero_extendqihi2): Changes to
1639 define_expand to accomodate target-specific attributes.
1640 (anonymous zero_extendqihi2 patterns): New.
1642 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
1644 * h8300.md (*andorhi3): New pattern.
1646 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
1648 * h8300.c (dosize): Fix test for "sub".
1650 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
1652 * c-typeck.c (pointer_diff): Try to eliminate common term before
1655 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
1657 * config/arm/arm.c (arm_compute_initial_elimination_offset):
1658 Account for the saves of the FP registers.
1660 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
1661 (TEXT_SECTION_ASM_OP): Define.
1662 (INIT_SECTION_ASM_OP): Define.
1663 (FINI_SECTION_ASM_OP): Define.
1664 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
1665 (RDATA_SECTION_FUNCITON): Provide prototype.
1667 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
1669 * reload1.c (move2add_note_store): Correct typo checking for
1672 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
1674 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
1675 note should not be considered outside the libcall block.
1677 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1679 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
1681 2001-08-29 Kazu Hirata <kazu@hxi.com>
1683 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
1685 2001-08-29 Kazu Hirata <kazu@hxi.com>
1687 * config/h8300/h8300-protos.h: Add a prototype for
1689 * config/h8300/h8300.c (emit_logical_op): New.
1690 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
1697 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1699 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
1700 comparison with rtx INTVAL.
1701 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
1703 * pa.h (FUNCTION_ARG_SIZE): Likewise.
1705 2001-08-29 Kazu Hirata <kazu@hxi.com>
1707 * config/h8300/lib1funcs.asm: Update the copyright. Fix
1710 2001-08-29 Kazu Hirata <kazu@hxi.com>
1712 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
1713 (reg n) to (mem (pre_dec (reg n))
1714 (anonymous movsi pattern): Likewise.
1716 2001-08-29 Kazu Hirata <kazu@hxi.com>
1718 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
1720 2001-08-29 Kazu Hirata <kazu@hxi.com>
1722 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
1723 several special constants.
1725 2001-08-29 Kazu Hirata <kazu@hxi.com>
1727 * config/h8300/lib1funcs.asm: Fix comment typos.
1729 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1731 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
1732 Fix format specifier warnings.
1734 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
1735 inet_makeaddr, semctl): Prototype.
1737 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
1738 (save_restore_insns): Use base_offset, not gp_offset.
1740 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
1741 (ASM_OUTPUT_BYTE): Fix format specifier warning.
1743 2001-08-29 Richard Henderson <rth@redhat.com>
1745 * bb-reorder.c (function_tail_eff_head): New.
1746 (record_effective_endpoints): Set it.
1747 (fixup_reorder_chain): Use it.
1749 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1751 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
1753 2001-08-28 Dale Johannesen <dalej@apple.com>
1755 * config/darwin.c (machopic_function_base_name): Add const
1756 qualifier to a string.
1757 (darwin_encode_section_info): Ditto.
1759 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1761 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
1762 function definition.
1764 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
1766 * df.h (struct df): Add rts_order variable.
1768 * df.c (df_visit_next_rts): New function.
1769 (df_visit_next): Renamed to df_visit_next_rc
1770 (df_analyse_1): Allocate/compute/free rts_order as well.
1771 (df_rd_global_compute): Use df_visit_next_rc instead of
1773 (df_ru_global_compute): Use df_visit_next_rts instead of
1776 * flow.c (flow_reverse_top_sort_order_compute): New function.
1778 * basic-block.h: Add prototype.
1780 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
1782 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
1783 blocks, the BB_REACHABLE is now set, rather than aux being
1784 non-NULL. Update the test to reflect this.
1786 2001-08-28 Eric Christopher <echristo@redhat.com>
1788 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
1789 config/mips/crti.asm: Ditto.
1791 2001-08-28 Eric Christopher <echristo@redhat.com>
1792 Richard Henderson <rth@redhat.com>
1794 * c-pragma.h (add_weak): Move prototype from here...
1795 * output.h (add_weak): ... to here.
1796 * varasm.c (add_weak): Fix typo.
1797 * config/mips/crti.asm: New file.
1798 * config/mips/crtn.asm: Ditto.
1799 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
1800 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
1801 (INVOKE__main): Ditto.
1802 (INIT_SECTION_ASM_OP): New.
1803 (FINI_SECTION_ASM_OP): Ditto.
1804 (STARTFILE_SPEC): Add crti.
1805 (ENDFILE_SPEC): Add crtn.
1806 * config/mips/elf64.h: Same.
1807 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
1809 * config/mips/vxworks.h: Ditto.
1810 * config/mips/t-elf: Support crti and crtn.
1812 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
1814 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
1817 2001-08-28 Richard Henderson <rth@redhat.com>
1819 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
1820 (one_cmplbi2 splitter): Remove redundant test.
1822 2001-08-28 Dale Johannesen <dalej@apple.com>
1824 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
1826 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
1828 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
1830 2001-08-28 Stan Shebs <shebs@apple.com>
1832 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
1833 (UNALIGNED_SHORT_ASM_OP): Define.
1834 (UNALIGNED_INT_ASM_OP): Define.
1836 2001-08-28 Will Cohen <wcohen@redhat.com>
1838 * config/rs6000/rs6000.md (store_multiple): Correct RTL
1839 generation for first set.
1841 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1843 * flow.c (redirect_edge_succ_nodup): Return new edge.
1844 (try_simplify_condjump): Use new edge.
1845 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
1847 * cse.c (cse_basic_block): Skip note instructions.
1849 2001-08-27 Richard Henderson <rth@redhat.com>
1851 * combine.c (combine_simplify_rtx): Don't reverse condition
1852 if there is no reverse for the condition.
1853 (simplify_comparison): Don't simplify subregs from INT to FP.
1855 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
1856 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
1857 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
1858 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
1859 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
1860 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
1862 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1864 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
1865 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
1867 (adddi_dilshr32, adddi_dishl32): Only data register can be
1868 source for mem destination.
1870 * expmed.c (store_bit_field): Ignore adjustment to bitpos
1871 and use bitnum to decide about register move.
1873 2001-08-27 Richard Henderson <rth@redhat.com>
1875 * genattr.c (main): Emit state_t even when not doing scheduling.
1877 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1878 Richard Henderson <rth@redhat.com>
1880 * gcse.c (reg_first_set, reg_last_set): Replace with ...
1881 (reg_avail_info, current_bb): ... these.
1882 (oprs_unchanged_p, record_last_reg_set_info): Use them.
1883 (compute_hash_table): Likewise.
1885 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1887 * flow.c (verify_flow_info): Use checksums to verify edges.
1889 2001-08-27 Richard Henderson <rth@redhat.com>
1891 * genautomata.c (expand_automata): Always create a description.
1893 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
1895 * optabs.c (expand_binop): Correctly handle the carry in multiword
1896 add/subtract operations.
1898 2001-08-27 Fred Fish <fnf@be.com>
1900 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
1903 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
1905 * reload.c (find_reloads_toplev): Back out this change:
1907 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
1909 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
1910 mem if the address is a mode_dependent_address_p.
1912 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
1914 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
1915 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
1916 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
1919 * genattr.c (main): New variable num_insn_reservations. Increase
1920 it if there is DEFINE_INSN_RESERVATION. Output automaton based
1921 pipeline hazard recognizer interface.
1923 * genattrtab.h: New file.
1925 * genattrtab.c: Include genattrtab.h.
1926 (attr_printf, check_attr_test, make_internal_attr,
1927 make_numeric_value): Move protypes into genattrtab.h. Define them
1929 (num_dfa_decls): New global variable.
1930 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
1931 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
1932 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
1933 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
1935 * genautomata.c: New file.
1937 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
1939 * sched-int.h: (curr_state): Add the external definition for
1940 automaton pipeline interface.
1941 (haifa_insn_data): Add comments for members blockage and units.
1943 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
1944 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
1945 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
1946 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
1947 TARGET_SCHED_DFA_POST_CYCLE_INSN,
1948 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
1949 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
1951 (TARGET_SCHED): Use the new macros.
1953 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
1954 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
1955 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
1956 dfa_bubble): New members in gcc_target.sched.
1958 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
1959 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
1960 (insn_queue): Redefine it as pointer to array.
1961 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
1963 (max_insn_queue_index_macro_value): New variable.
1964 (curr_state, dfa_state_size, ready_try): New varaibles for
1965 automaton interface.
1966 (ready_element, ready_remove, max_issue): New function prototypes
1967 for automaton interface.
1968 (choose_ready): New function prototype.
1969 (insn_unit, blockage_range): Add comments.
1970 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
1971 FUNCTION_UNITS_SIZE == 0.
1972 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
1973 actual_hazard, potential_hazard): Add comments.
1974 (insn_cost): Use cost -1 as undefined value. Remove
1975 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
1977 (ready_element, ready_remove): New functions for automaton
1979 (schedule_insn): Add new code for automaton pipeline interface.
1980 (queue_to_ready): Add new code for automaton pipeline interface.
1981 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
1982 (debug_ready_list): Print newline when the queue is empty.
1983 (max_issue): New function for automaton pipeline interface.
1984 (choose_ready): New function.
1985 (schedule_block): Add new code for automaton pipeline interface.
1986 Print ready list before scheduling each insn.
1987 (sched_init): Add new code for automaton pipeline interface.
1988 Initiate insn cost by -1.
1989 (sched_finish): Free the current automaton state and finalize
1990 automaton pipeline interface.
1992 * sched-rgn.c: Include target.h.
1993 (init_ready_list, new_ready, debug_dependencies): Add new code for
1994 automaton pipeline interface.
1996 * sched-vis.c: Include target.h.
1997 (get_visual_tbl_length): Add code for automaton interface.
1998 (target_units, print_block_visualization): Add comments.
2000 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
2001 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
2002 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
2003 (getruntime.o, genautomata.o): New entries.
2004 (genattrtab.o): Add new dependency file genattrtab.h.
2005 (genattrtab): Add new dependencies. Link it with `libm.a'.
2006 (getruntime.o, hashtab.o): New entries for canadian cross.
2008 * doc/md.texi: Description of automaton based model.
2010 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
2012 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2013 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2014 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2015 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2016 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2017 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2018 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
2020 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
2021 MAX_DFA_ISSUE_RATE): New macro descriptions.
2023 * doc/contrib.texi: Add dfa based scheduler contribution.
2025 * doc/gcc.texi: Add more information about genattrtab.
2027 2001-08-27 Diego Novillo <dnovillo@redhat.com>
2029 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
2032 2001-08-27 Richard Henderson <rth@redhat.com>
2034 * function.c (expand_function_end): Don't init arg_pointer_save_area.
2035 (get_arg_pointer_save_area): New. Create an init it here.
2036 (fix_lexical_addr): Use it.
2037 * function.h: Declare it.
2038 * builtins.c (expand_builtin_setjmp_receiver): Use it.
2039 * stmt.c (expand_nl_goto_receiver): Use it.
2041 2001-08-27 Richard Henderson <rth@redhat.com>
2043 * final.c (final_scan_insn): Don't enter APP_ON mode for
2046 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
2047 alignment for assemble_integer for DW_EH_PE_aligned.
2048 * except.c (output_function_exception_table): Likewise.
2050 2001-08-26 Andreas Jaeger <aj@suse.de>
2052 * c-tree.h: Add prototyp for c_sizeof_nowarn.
2054 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
2056 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
2058 2001-08-27 Alan Modra <amodra@bigpond.net.au>
2060 * config/rs6000/rs6000.c (mask_operand): Rewrite without
2062 (mask64_operand): Likewise.
2063 (rldic_operand): Delete.
2064 (includes_lshift64_p): Delete.
2065 (includes_rldic_lshift_p): New function.
2066 (includes_rldicr_lshift_p): New function.
2067 (print_operand): Don't call rldic_operand in case 'W'.
2068 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
2069 (includes_lshift64_p): Remove.
2070 (includes_rldic_lshift_p): Declare.
2071 (includes_rldicr_lshift_p): Declare.
2072 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
2073 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
2074 Replace match_operand rldic_operand predicate with
2075 const_int_operand. Replace includes_lshift64_p condition with
2076 includes_rldic_lshift_p.
2077 <ashldi3_internal 64 bit rldicr patterns>: New.
2079 2001-08-27 Andreas Jaeger <aj@suse.de>
2081 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2082 * errors.c: Likewise.
2083 * final.c: Likewise.
2084 * dwarf2asm.c: Likewise.
2085 * doprint.c (checkit): Likewise.
2086 * diagnostic.c: Likewise.
2087 * collect2.c: Likewise.
2088 * calls.c: Likewise.
2089 * c-semantics.c (build_stmt): Likewise.
2090 * c-format.c (status_warning): Likewise.
2091 * c-errors.c (pedwarn_c99): Likewise.
2092 * builtins.c (validate_arglist): Likewise.
2093 * config/pj/pj.c (pj_printf): Likewise.
2094 * fix-header.c: Likewise.
2096 * gcov.c (fnotice): Likewise.
2097 * gensupport.c (message_with_line): Likewise.
2098 * mips-tfile.c: Likewise.
2099 * protoize.c (notice): Likewise.
2100 * read-rtl.c (fatal_with_file_and_line): Likewise.
2101 * rtl-error.c: Likewise.
2102 * tradcpp.c: Likewise.
2104 * cp/tree.c (build_min_nt): Likewise.
2105 (build_min): Likewise.
2106 * cp/lex.c: Likewise.
2107 * cp/errfn.c: Likewise.
2108 * cp/rtti.c (create_pseudo_type_info): Likewise.
2110 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
2112 * df.c (df_uses_record): Return after recording all uses
2115 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
2117 * df.c (df_insn_modify): Realloc the INSN table here, if
2118 necessary, here, too.
2120 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
2122 * config/mips/mips.c (mips_function_value): Handle complex return
2125 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
2127 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
2129 * reload.c (make_memloc): Copy result if it is still
2130 reg_equiv_memory_loc[regno] on return.
2131 (subst_reloads) [ENABLE_CHECKING]: Check that none of
2132 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
2133 reg_equiv_mem are modified by the substitutions.
2135 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2137 * predict.c (expensive_function_p): New.
2138 * rtl.h (expensive_function_p): Declare.
2139 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
2140 (use_fast_prologue_epilogue): New static variable.
2141 (expand_prologue): Set it; emit short prologues if unset.
2142 (expand_epilogue): Likewise.
2144 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2146 * config.gcc: Add stormy16-*-elf case.
2147 * config/stormy16/stormy-abi: New file.
2148 * config/stormy16/stormy16-lib2.c: New file.
2149 * config/stormy16/stormy16-protos.h: New file.
2150 * config/stormy16/stormy16.c: New file.
2151 * config/stormy16/stormy16.h: New file.
2152 * config/stormy16/stormy16.md: New file.
2153 * config/stormy16/t-stormy16: New file.
2155 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2157 * i386.h (no-accumulate-outgoing-args): Use proper mask.
2159 2001-08-24 David Edelsohn <edelsohn@gnu.org>
2161 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
2162 descriptor members are pointer size, not constant 4.
2163 * config/rs6000/rs6000.md (define_splits): Remove more unused
2166 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2168 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
2170 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
2172 * cp/rtti.c (VPARAMS): Fix parameter.
2174 2001-08-24 Zack Weinberg <zackw@panix.com>
2176 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
2178 (mode_for_extraction): No need for #ifdefs. Add default-case abort
2180 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
2181 in if controlling use of insv.
2182 (extract_bit_field): Likewise, for extv and extzv.
2184 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2186 * i386.md (movcc peep2): Fix load of 0.
2188 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2190 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
2191 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
2193 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
2195 * c-pragma.h: Move weak_syms and weak_decls...
2196 * varasm.c: ...here. Now static.
2197 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
2198 depend on HANDLE_PRAGMA_WEAK.
2200 * c-common.c (c_alignof, c_alignof_expr): Move here...
2201 * c-typeck.c: ...from here.
2202 * c-tree.h, c-common.h: Adjust.
2204 2001-08-23 Bernd Schmidt <bernds@redhat.com>
2206 * config/ia64/ia64.c (rws_update): If !pred, set write_count
2207 instead of incrementing it.
2209 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
2210 asm ready, don't try to move them all into the same array element.
2212 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2214 * function.c (thread_prologue_and_epilogue_insns): Avoid
2215 fallthru flag on edge to exit.
2217 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
2219 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
2222 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2224 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
2225 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
2226 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
2229 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2231 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
2232 replace "GNU CC" with "GCC".
2234 2001-08-23 Richard Henderson <rth@redhat.com>
2236 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
2237 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
2238 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
2239 Need GR between FR and not GR_AND_FR.
2240 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
2241 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
2242 AR regs before GR regs.
2243 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
2244 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
2245 (REGISTER_MOVE_COST): Update.
2246 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
2248 2001-08-23 Richard Henderson <rth@redhat.com>
2250 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
2253 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2255 * reload1.c (emit_reload_insns): Don't look for notes
2256 on a NULL store_insn.
2258 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2260 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
2261 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
2262 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
2263 format specifier warnings.
2264 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
2266 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
2268 * config/i386/i386-protos.h: Correct declaration of
2269 i386_pe_asm_named_section.
2271 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
2273 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
2275 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2277 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2279 * cpperror.c (print_location): Don't show _Pragma.
2280 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
2281 and file change callback generation here.
2282 (stack_include_file): Update use of cpp_push_buffer.
2283 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
2284 (struct cpp_buffer): Remove type, pfile members.
2285 * cppinit.c (cpp_handle_option): Use free_chain.
2286 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
2287 (skip_escaped_newlines, get_effective_char, lex_percent): Take
2288 a cpp_reader rather than a cpp_buffer.
2289 (skip_escaped_newlines, get_effective_char, skip_block_comment,
2290 skip_line_comment, parse_string, lex_percent, lex_dot,
2291 _cpp_lex_token): Update accordingly.
2292 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
2294 (cpp_push_buffer): Update prototype.
2295 (run_directive): Update use of cpp_push_buffer.
2296 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
2297 handle_assertion): Update use of run_directive.
2298 * cpplib.h (enum cpp_buffer_type): Remove.
2299 (cpp_push_buffer): Update prototype.
2300 * fix-header.c (read_scan_file): Update.
2302 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2304 * gcc.c (struct prefix_list): Change prefix to const char *.
2306 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2308 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
2310 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
2312 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
2315 * jump.c (squeeze_notes): Take parms by reference. Handle END being
2318 * ifcvt.c (dead_or_predicable): Adjust.
2319 * loop.c (find_and_verify_loops): Adjust.
2320 * stmt.c (expand_end_case): Adjust.
2321 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
2322 head and end insn pointers in the basic block, not just local copies.
2323 (merge_blocks_move_predecessor_nojumps): Likewise.
2325 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
2327 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
2328 bitmap.h, builtin-types.def, builtins.c, builtins.def,
2329 c-aux-info.c, c-common.c, c-common.def, c-common.h,
2330 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
2331 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
2332 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
2333 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
2334 conditions.h, config.gcc, configure.frag, configure.in,
2335 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
2336 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
2337 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
2338 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
2339 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
2340 emit-rtl.c, errors.c, errors.h, except.c, except.h,
2341 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
2342 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
2343 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
2344 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
2345 gencheck.c, gencodes.c, genconfig.c, genemit.c,
2346 genextract.c, genflags.c, gengenrtl.c, genmultilib,
2347 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
2348 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
2349 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
2350 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
2351 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
2352 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
2353 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
2354 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
2355 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
2356 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
2357 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
2358 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
2359 params.h, predict.c, predict.def, predict.h, prefix.c,
2360 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
2361 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
2362 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
2363 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
2364 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
2365 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
2366 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
2367 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
2368 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
2369 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
2370 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
2371 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
2372 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
2373 xcoffout.h: replace "GNU CC" with "GCC".
2375 2001-08-21 Richard Henderson <rth@redhat.com>
2377 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
2378 (final_scan_insn): Consider jump tables data even if we have no
2379 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
2381 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
2382 (ASM_OUTPUT_CASE_END): Remove.
2383 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
2384 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
2385 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
2387 2001-08-21 Richard Henderson <rth@redhat.com>
2389 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
2390 at barrier insns. Emit stop bits before barriers.
2392 * flow.c (flow_find_cross_jump): Don't consider unconditional
2393 return insns for commoning.
2395 * final.c (compute_alignments): Fix typo.
2397 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
2398 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
2399 (store_bit_field): Use mode_for_extraction more places.
2400 (extract_bit_field): Likewise.
2402 2001-08-21 Zack Weinberg <zackw@panix.com>
2404 * caller-save.c: Don't include insn-codes.h.
2405 (reg_save_code, reg_restore_code): Make arrays of int.
2406 All uses updated to match.
2407 (insert_save, insert_restore): No need to initialize "code"
2408 variable upon declaration.
2409 * Makefile.in: update dependencies; fix typo in clean rule.
2411 2001-08-21 Richard Henderson <rth@redhat.com>
2413 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
2414 (merge_if_block): Handle fallout from same.
2416 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2418 * builtins.c (type_to_class): Fix typo in last change.
2420 2001-08-21 Richard Henderson <rth@redhat.com>
2422 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
2423 ia64_asm_output_label.
2425 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
2426 copy of gp while the real gp register contains garbage.
2428 2001-08-21 Zack Weinberg <zackw@panix.com>
2430 * expmed.c (mode_for_extraction): New function.
2431 (store_bit_field, extract_bit_field): Use it.
2432 * expr.h: Prototype it and provide an enum for its first argument.
2434 * combine.c, function.c, recog.c: Don't include insn-codes.h.
2435 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
2436 and digging through the insn_data tables.
2437 * Makefile.in: Update dependencies.
2439 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2441 * cppfiles.c (stack_include_file): line-map.c now handles include
2443 (handle_missing_handler): Similarly.
2444 (_cpp_execute_include): Similarly.
2445 (_cpp_pop_file_buffer): Similarly.
2446 * cpphash.h (struct cpp_reader): Remove system_include_depth,
2447 buffer_stack_depth and include_depth.
2448 * cpplib.c (do_include_common): line-map.c now handles include depth.
2449 (cpp_push_buffer): Similarly.
2450 (_cpp_pop_buffer): Similarly.
2451 * cppmacro.c (builtin_macro): Update.
2452 * line-map.c (init_line_maps): Set depth.
2453 (add_line_map): Increment "used" earlier. Update and use the
2455 (trace_include): Use the include depth.
2456 * line-map.h (struct line_maps): New member depth.
2458 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2460 * cppfiles.c (stack_include_file): Don't handle -H here.
2461 * cppinit.c (cpp_start_read): Set include tracing after
2462 cpp_post_options and after stacking the main file.
2463 * line-map.c (trace_include): New.
2464 (init_line_maps, add_line_map): Update.
2465 * line-map.h (struct line_maps): New member trace_includes.
2467 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2469 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
2470 * cppfiles.c (stack_include_file): Only stack a file if there
2471 is something to do. Return a boolean indicating whether a
2472 buffer was stacked or not.
2473 (_cpp_execute_include): Similarly.
2474 (_cpp_read_file): Similarly.
2475 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
2477 2001-08-21 Sam Steingold <sds@gnu.org>
2479 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
2480 (RECACHE): keep obufp_before_macroname up to date
2482 2001-08-21 Zack Weinberg <zackw@panix.com>
2484 * stmt.c: Don't include insn-codes.h.
2485 (expand_end_case): Machine specific logic moved to expr.c.
2486 No need to worry about __builtin_classify_type.
2487 (check_for_full_enumeration_handling, emit_case_nodes):
2490 * builtins.o (expand_builtin_classify_type): Split up so code
2491 can be shared with fold_builtin_classify_type.
2492 (type_to_class, fold_builtin_classify_type): New functions.
2493 (fold_builtins): Handle __builtin_classify_type.
2495 * expr.c (do_tablejump): Now static.
2496 (case_values_threshold, try_casesi, try_tablejump): New;
2497 code mostly from stmt.c (expand_end_case).
2498 (expr.h): Update prototypes.
2500 * Makefile.in (stmt.o): Update dependencies.
2502 2001-08-21 Will Cohen <wcohen@redhat.com>
2504 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
2505 declaration of variable i.
2506 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
2507 declaration of variable i.
2509 2001-08-21 Richard Henderson <rth@redhat.com>
2511 * crtstuff.c: Fix thinko last change. Move list tails to start
2512 of CRT_END section. Tidy ifdefs.
2513 (__EH_FRAME_BEGIN__): Always static for ELF.
2514 (__do_global_ctors_1): Rename from __frame_dummy.
2515 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
2516 name change; don't hide __EH_FRAME_BEGIN__.
2518 2001-08-21 Richard Henderson <rth@redhat.com>
2520 * gdbinit.in: Move break on exit after break on fancy_abort.
2522 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
2525 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2527 * cpphash.h (_cpp_push_next_buffer): New.
2528 * cppinit.c (do_includes): Remove.
2529 (push_include, free_chain, _cpp_push_next_buffer): New.
2530 (cpp_start_read): Use them to rework command line option handling.
2531 (cpp_handle_option): Combine handling of -include and -imacros.
2532 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
2533 appropriate. Always insert missing \n at EOF.
2534 * cpplib.c (start_directive): Get the directive position right.
2535 * cppmain.c (cb_file_change): Always print the first line, unless
2538 2001-08-20 Andreas Jaeger <aj@suse.de>
2540 * profile.c (compute_branch_probabilities): Remove extra new-line
2542 * flow.c (verify_flow_info): Likewise.
2544 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2546 * basic-block.h (basic_block): Add new field 'flags'.
2547 (BB_REACHABLE): Define.
2548 (expunge_block): Declare.
2549 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
2550 (EXIT_BLOCK_PTR): Ditto.
2551 (expunge_block): Remove static declaration.
2552 (cleanup_cfg): Clear bb->aux on every basic block.
2553 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
2554 computing reachability.
2555 (delete_unreachable_blocks): Delete block b if b->flags has
2558 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2560 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
2562 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2564 * sparc.c (sparc_variable_issue): Fix typo in last change.
2566 2001-08-20 Richard Henderson <rth@redhat.com>
2568 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
2570 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
2572 * pa.h (RETURN_IN_MEMORY): Improve comment.
2574 2001-08-20 Janis Johnson <janis187@us.ibm.com>
2576 * doc/invoke.texi (Profiling options): Clarify the interactions
2577 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
2579 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
2581 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
2584 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2586 * gcc.c (make_relative_prefix): Allocate a sufficiently large
2589 2001-08-20 Richard Henderson <rth@redhat.com>
2591 * final.c (end_final): Fix typo last change.
2593 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
2595 * cppinit.c (init_standard_includes): The returned buffer
2596 is already malloc-ed.
2597 * gcc.c (add_prefix): Similarly.
2598 * prefix.c (translate_name): Update to support clear buffer
2600 (update_path): Similarly. Be sure to free any newly allocated
2601 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
2603 * prefix.h (update_path): Update prototype and document.
2604 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
2605 up and update to new buffer ownership rules.
2606 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
2608 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
2610 * final.c (compute_alignments): New function.
2611 (init_insn_lengths): Do not care label_align.
2612 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
2613 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
2614 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
2615 (shorted_branches): Realloc label_align array; do
2616 not call init_insn_lengths; Do not care about loop alignments.
2617 * output.h (compute_alignments): Declare.
2618 * toplev.c (rest_of_compilation): Call compute_alignments.
2619 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
2621 * predict.c (block_info_def): Add npredecesors, remove nvisited;
2622 change visited to tovisit.
2623 (propagate_freq): Use faster traversing algorithm.
2624 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
2625 to tovisit; reverse meaning.
2627 * predict.c (struct block_info_def): Remove nvisited.
2628 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
2629 (estimate_bb_frequencies): Call mark_dfs_back_edges.
2631 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
2633 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
2634 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
2635 (TARGET_FUSED_MADD): New.
2636 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
2637 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
2638 the multiply-add instructions.
2640 2001-08-19 Richard Henderson <rth@redhat.com>
2642 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
2643 is aligned to pointer size.
2645 2001-08-19 Richard Henderson <rth@redhat.com>
2647 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
2648 display markers during final schedule.
2650 2001-08-19 Richard Henderson <rth@redhat.com>
2652 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
2654 2001-08-19 Richard Henderson <rth@redhat.com>
2656 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
2658 (ASM_NAME_TO_STRING): Remove.
2659 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
2660 in the same string. Remove support for expressions.
2662 2001-08-19 Richard Henderson <rth@redhat.com>
2664 * config/i386/i386.md (tablejump): Make an expander; handle
2665 pic relative addressing here.
2666 (tablejump_1): Rename from tablejump_pic.
2669 2001-08-19 Richard Henderson <rth@redhat.com>
2671 * regclass.c (fix_register): Fix typo.
2673 2001-08-18 Richard Henderson <rth@redhat.com>
2675 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
2676 (struct _Unwind_Context): Expand br_loc to hold it.
2677 (uw_frame_state_for): Handle leaf functions better.
2678 (uw_update_reg_address): Update for br_loc change.
2680 2001-08-18 Richard Henderson <rth@redhat.com>
2682 * crtstuff.c: Move list heads before code that uses them.
2683 (__JCR_LIST__): Remove initial null.
2684 (frame_dummy, __frame_dummy): Do java registration here ...
2685 (__do_global_ctors_aux): ... not here.
2687 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
2688 (__do_global_dtors_aux): Update to match.
2689 (__JCR_LIST__, __do_jv_register_classes): New.
2691 * config/ia64/crtend.asm (__JCR_END__): New.
2692 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
2693 instead of an indirect LTOFF22 reloc.
2695 2001-08-18 Richard Henderson <rth@redhat.com>
2697 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
2698 * regclass.c (init_reg_sets_1): Fix typo.
2699 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
2700 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
2701 (ia64_compute_frame_size): Make ar.unat live when in use.
2702 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
2703 for ar.pfs; remove ar.unat handling.
2704 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
2706 (PREDICATE_CODES): Add ar_pfs_reg_operand.
2707 * config/ia64/ia64-protos.h: Update decls.
2708 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
2709 (sibcall_pic): Likewise.
2711 2001-08-18 Richard Henderson <rth@redhat.com>
2713 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
2714 pred_rel_mutex when searching for insn_group_barrier.
2715 * config/ia64/ia64.md (cycle_display): Combine the expander
2718 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
2719 bit before asm as needed.
2721 2001-08-18 Richard Henderson <rth@redhat.com>
2723 * timevar.def (TV_MACH_DEP): New.
2724 * toplev.c (rest_of_compilation): Use it.
2725 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
2727 2001-08-18 Zack Weinberg <zackw@panix.com>
2729 * unwind-dw2.c (execute_stack_op): Add default aborts to
2730 the inner switches to prevent warnings.
2732 2001-08-18 Richard Henderson <rth@redhat.com>
2734 * timevar.h (struct timevar_time_def): Change element type to float.
2735 (ticks_to_msec, clocks_to_msec): Likewise.
2736 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
2737 (get_time): Likewise.
2738 (timevar_print): Adjust zero check and printing to match.
2740 2001-08-18 Zack Weinberg <zackw@panix.com>
2742 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
2743 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
2744 Eliminate overfull or underfull hboxes.
2746 2001-08-18 Zack Weinberg <zackw@panix.com>
2748 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2750 2001-08-18 Zack Weinberg <zackw@panix.com>
2752 * haifa-sched.c: Convert to target hooks. Macros replaced
2753 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
2754 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
2755 MD_SCHED_FINISH, and HAVE_cycle_display.
2756 * target-def.h (TARGET_SCHED_ADJUST_COST,
2757 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
2758 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
2759 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
2760 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
2761 New hook #defines to be overridden.
2762 (TARGET_SCHED): Bring them all together.
2763 (TARGET_INITIALIZER): Update.
2764 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
2765 instead of 'struct rtx_def *' throughout.
2766 (struct sched): New set of hooks for the scheduler.
2767 * Makefile.in (haifa-sched.o): Depend on target.h.
2768 * doc/tm.texi: Document the new scheduler hooks, together in
2769 their own section, instead of scattered around.
2770 Fix a bunch of underfull/overfull hboxes.
2772 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
2773 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
2774 sparc.h: Don't define any of the old scheduler macros.
2776 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
2777 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
2778 sparc.c: Create hook functions from code extracted from
2779 corresponding target header, or make existing hooks static, as
2780 appropriate. Set the appropriate entries in targetm.
2782 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
2783 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
2784 rs6000-protos.h, s390-protos.h, sparc-protos.h:
2785 Remove prototypes for functions which are now static.
2787 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
2788 related gunk; the Haifa scheduler is now the only choice.
2790 2001-08-18 Zack Weinberg <zackw@panix.com>
2792 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
2793 * genopinit.c: Put floating point divide insns in sdiv_optab.
2794 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
2795 * config/gofast.h, config/c4x/c4x.h,
2796 config/ia64/hpux_longdouble.h, config/mips/mips.h,
2797 config/pa/long_double.h, config/rs6000/sysv4.h,
2798 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
2799 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
2800 (init_optabs): Use init_optabv for overflow-trapping optabs.
2801 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
2802 cmp_optab RTX codes so have_insn_for can find them.
2804 * optabs.c (expand_simple_binop, expand_simple_unop,
2805 have_insn_for, gen_sub3_insn): New interfaces.
2806 * expr.h: Prototype new functions.
2807 (enum optab_methods): Move here from optabs.h.
2809 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
2810 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
2811 Use new functions instead of working directly with optabs.
2812 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
2813 unroll.c: Don't include optabs.h.
2814 * caller-save.c, combine.c, function.c, stmt.c: Just include
2815 insn-codes.h, not optabs.h.
2816 * Makefile.in: Update dependencies.
2818 * combine.c (make_compound_operation, simplify_comparison):
2819 Fix typos testing for this or that instruction.
2821 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2823 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
2824 generating libgcc.a.
2826 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2828 * except.c (TYPE_HASH): Delete.
2830 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
2833 * tree.c (TYPE_HASH): Delete.
2835 * tree.h (TYPE_HASH): Define.
2837 2001-08-18 Graham Stott <grahams@redhat.com>
2839 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
2841 (adddi3_internal_2+2): Likewise.
2842 (eh_set_lr_di+1): Likewise.
2844 2001-08-17 Richard Henderson <rth@redhat.com>
2846 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2847 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
2848 * dwarf2asm.c: ... here.
2849 * dwarfout.c: Remove them.
2851 * varasm.c (assemble_integer): Add align parameter.
2852 (assemble_real, output_constant, output_constructor): Likewise.
2853 * output.h: Update decls.
2854 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
2855 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
2856 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
2857 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
2858 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
2861 * final.c (end_final): Abort profile block generation if we
2862 havn't layed it out properly.
2863 * output.h (assemble_eh_integer): Remove stale decl.
2864 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
2866 (assemble_integer): Handle unaligned data.
2867 (assemble_real): Abort on unaligned data.
2868 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
2870 (default_dtor_section_asm_out_destructor): Use assemble_align.
2871 (default_named_section_asm_out_constructor): Likewise.
2872 (default_ctor_section_asm_out_constructor): Likewise.
2873 * config/darwin.c (machopic_asm_out_constructor): Likewise.
2874 (machopic_asm_out_destructor): Likewise.
2875 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
2876 (nextstep_asm_out_destructor): Likewise.
2877 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
2878 (vms_asm_out_destructor): Likewise.
2880 2001-08-17 Richard Henderson <rth@redhat.com>
2882 * config/mips/iris6.h (TARGET_IRIX6): New.
2883 (current_section_name, current_section_flags): New.
2884 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
2885 (MAX_OFILE_ALIGNMENT): New.
2886 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
2887 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
2888 (copy_file_data): Split out from
2889 (mips_asm_file_end): ... here.
2890 (mips_asm_file_start): Remove extra .section directive. Use
2891 tmpfile instead of mips_make_temp_file.
2892 (mips_unique_section): Use const char * as needed for warnings.
2893 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
2894 re-add align parameter.
2895 (iris6_asm_named_section): New.
2896 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
2897 (iris6_asm_output_align, iris6_section_align_1): New.
2898 (iris6_asm_file_start, iris6_asm_file_end): New.
2899 * config/mips/mips-protos.h: Update decls.
2901 2001-08-17 Janis Johnson <janis187@us.ibm.com>
2903 * doc/install.texi (Install GCC): Add links to build status pages.
2905 (Final install): Ditto; request updates for specific info
2907 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
2909 * cpperror.c (print_location): Don't take a file name; use the
2911 (_cpp_begin_message): Similarly.
2912 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
2913 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
2914 (cpp_pedwarn_with_file_and_line): Remove.
2915 * cppfiles.c (stack_include_file): Update; set filename to stdin
2916 here when appropriate.
2917 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
2918 (_cpp_begin_message): Don't take a file name.
2919 * cppinit.c: Add comment.
2920 * cpplex.c: Fix end-of-directive indicator.
2921 * cpplib.c: Don't include intl.h.
2922 (run_directive, do_diagnostic): Update.
2923 (do_line): Update to not use nominal_fname.
2924 (cpp_push_buffer): Don't take a filename.
2925 * cpplib.h (struct ht): Remove.
2926 (cpp_push_buffer): Don't take a filename.
2927 (cpp_pedwarn_with_file_and_line): Remove.
2928 * cppmacro.c (struct cpp_macro): Remove file.
2929 (builtin_macro): Update.
2930 (_cpp_create_definition): Update.
2931 * cppmain.c: Correct comment.
2932 * fix-header.c (read_scan_file): Update.
2934 2001-08-17 Kazu Hirata <kazu@hxi.com>
2936 * sbitmap.c: Fix comment formatting.
2937 * sched-deps.c: Likewise.
2938 * sibcall.c: Likewise.
2939 * simplify-rtx.c: Likewise.
2941 * ssa-ccp.c: Likewise.
2942 * stor-layout.c: Likewise.
2943 * timevar.c: Likewise.
2944 * toplev.c: Likewise.
2945 * unwind-dw2.c: Likewise.
2946 * unwind-dw2-fde.c: Likewise.
2947 * varasm.c: Likewise.
2949 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
2951 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
2952 or larger than an integer in memory.
2954 2001-08-17 Zack Weinberg <zackw@panix.com>
2956 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
2957 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
2958 * rtl.h: Don't forward-declare union tree_node here. Don't
2959 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
2960 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
2961 and tree respectively.
2962 * tree.h: Don't forward-declare struct rtx_def here. Don't
2963 typedef tree here. Change all uses of struct rtx_def *,
2964 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
2965 and tree respectively.
2967 2001-08-17 Richard Henderson <rth@redhat.com>
2969 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
2970 config/mips/openbsd.h: Fix typos last change.
2972 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2974 * doc/invoke.texi (Optimize Options): The default for
2975 -finline-limit is 600.
2977 2001-08-17 Richard Henderson <rth@redhat.com>
2979 * varasm.c (text_section): Allow TEXT_SECTION to override the
2980 printing of TEXT_SECTION_ASM_OP.
2981 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
2982 (DATA_SECTION, BSS_SECTION): Remove.
2983 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
2984 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
2985 Rename from s/_NAME//.
2986 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
2987 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
2988 (TEXT_SECTION): ... here. New.
2989 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
2990 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
2991 * config/mips/openbsd.h: Likewise.
2992 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
2993 (mips_asm_file_end): Likewise test.
2994 (mips_output_function_epilogue): Likewise. Switch back to data
2995 section after emitting the function.
2997 * doc/tm.texi (Sections): Document TEXT_SECTION.
2999 2001-08-17 Richard Henderson <rth@redhat.com>
3001 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
3002 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
3004 2001-08-17 Richard Henderson <rth@redhat.com>
3006 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
3007 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
3008 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
3009 Add aligned attribute.
3011 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
3013 * config/sh/sh.md: Add modes to unspecs in first insn to match
3014 those in the second.
3016 * Makefile.in: Fix collect2 copy for Cygwin.
3018 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3020 Install the proper patch.
3021 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3022 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3023 (expand_function_start): Likewise.
3024 * stmt.c (expand_decl): Likewise.
3025 * varasm.c (make_decl_rtx): Likewise.
3027 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3029 * final.c: Undo my previous accidental checkin.
3030 * output.h: Likewise.
3031 * tm.texi: Likewise.
3033 2001-08-16 Richard Henderson <rth@redhat.com>
3035 * varasm.c (named_section_flags): Remove align parameter.
3036 * varasm.c, dwarf2out.c: Update all callers.
3037 * output.h: Update prototypes.
3039 * target.h (target.asm_out.named_section): Remove align parameter.
3040 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
3041 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
3042 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
3043 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
3044 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
3046 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
3047 (get_named_section_flags, set_named_section_flags): New.
3048 (named_section_flags): Use them.
3049 (named_section): Do decl vs section flags check here...
3050 (default_section_type_flags): ... not here.
3051 (init_varasm_once): Create in_named_htab.
3052 (resolve_unique_section): Mark reloc unused.
3054 2001-08-16 Richard Henderson <rth@redhat.com>
3056 * varasm.c (force_const_mem): Keep pool alignment in bits.
3057 (output_constant_pool): Use assemble_align.
3059 2001-08-16 Zack Weinberg <zackw@panix.com>
3061 * doc/tm.texi: Remove extra @table command.
3063 2001-08-16 Zack Weinberg <zackw@panix.com>
3065 * final.c (shorten_branches): Clear the end of the label_align
3066 array only if we made it larger. Break up messy expressions
3069 * diagnostic.c (internal_error): Check for error recursion
3070 before doing ICE suppression.
3072 * timevar.c: Timing variables now count in milliseconds.
3073 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
3074 (get_time): Not here.
3075 (timevar_print): Don't print any timer whose user, cpu, and
3076 wall times are all zero as displayed.
3077 * timevar.h: Update comment aboout units. Make timevar
3080 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3082 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3083 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3084 (expand_function_start): Likewise.
3085 * stmt.c (expand_decl): Likewise.
3086 * varasm.c (make_decl_rtx): Likewise.
3088 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
3090 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
3091 (finalize_record_size): Don't set TYPE_USER_ALIGN.
3093 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3095 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
3098 2001-08-16 Andreas Jaeger <aj@suse.de>
3100 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
3103 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
3105 * rtl.h (only_sets_cc0_p): New prototype.
3106 * jump.c (sets_cc0_p): Handle INSN.
3107 (only_sets_cc0_p): New function.
3108 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
3109 (tidy_fallthru_edge): Likewise.
3110 * integrate.c (copy_insn_list): Likewise.
3111 * unroll.c (unroll_loop): Likewise.
3112 (copy_loop_body): Likewise.
3114 2001-08-15 Jason Eckhardt <jle@redhat.com>
3116 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
3118 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3120 * predict.c (struct block_info_def): Remove nvisited.
3121 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3122 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3124 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
3125 (ix86_adjust_cost): Teach scheduler that latency to load operand can
3128 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3130 * predict.def: Update hitrates.
3132 2001-08-15 Richard Henderson <rth@redhat.com>
3134 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
3136 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
3138 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
3139 note from its associated jump.
3141 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3143 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
3144 also on 64-bit s390x targets.
3146 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
3148 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
3150 (arm_expand_prologue): Handled nested functions which take a
3151 variable argument list.
3152 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
3153 macro with an invocation of
3154 arm_compute_initial_elimination_offset.
3155 * config/arm/arm-protos.h: Prototype
3156 arm_compute_initial_elimination_offset.
3158 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3160 * doc/install.texi (Specific, avr): Fix markup.
3161 (Specific, c4x): Ditto.
3163 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3165 * predict.c (dump_prediction): Change `bool' parameter to `int'.
3167 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
3169 * Makefile.in (OBJS): Add rtl-error.o
3170 (rtl-error.o): New rule.
3171 (diagnostic.o): Adjust dependency.
3172 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
3173 error_for_asm, _fatal_insn, _fatal_insn_not_found,
3174 warning_for_asm): Move to...
3175 rtl-error.c: ...here. New file.
3177 2001-08-14 Richard Henderson <rth@redhat.com>
3179 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
3180 if USING_SJLJ_EXCEPTIONS.
3182 2001-08-14 Steve Ellcey <sje@cup.hp.com>
3184 * tlink.c (scan_linker_output): Check string for unsatisfied in
3185 addition to undefined and unresolved.
3187 2001-08-14 Graham Stott <grahams@redhat.com>
3189 * libgcc2.c (*): Replace EH_FRAME_SECTION with
3190 EH_FRAME_SECTION_NAME.
3192 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
3194 * genattrtab.c (simplify_test_exp_in_temp): New function.
3195 (simplify_test_exp): Avoid explicit use of temporary obstack.
3196 (simplify_cond, insert_right_side, evaluate_eq_attr,
3197 simplify_and_tree, simplify_or_tree, eliminate_known_true):
3198 Use simplify_test_exp_in_temp.
3199 (optimize_attrs): Iterate until expression stabilizes.
3201 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
3203 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
3204 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
3206 2001-08-13 Richard Henderson <rth@redhat.com>
3208 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
3209 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
3210 * config/arm/conix-elf.h: Likewise.
3212 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3214 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
3216 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
3218 * gcse.c (hash_scan_set): Expressions that are set as part of
3219 jump instructions are not available.
3221 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3223 * config/s390/s390.c (print_operand, s390_function_prologue,
3224 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
3226 2001-08-13 Richard Henderson <rth@redhat.com>
3228 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
3229 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
3230 * doc/tm.texi (Exception Region Output): Document it.
3232 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3234 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
3235 DWARF2 instead of stabs by default.
3237 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3239 * config/rs6000/rs6000.c: Include optabs.h.
3241 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3243 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
3244 save/restore routines.
3245 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
3247 2001-08-13 Andreas Jaeger <aj@suse.de>
3249 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
3250 the english is correct.
3252 2001-08-13 Zack Weinberg <zackw@panix.com>
3254 * expr.h: Split out optab- and libfunc-related code to...
3255 * optabs.h, libfuncs.h: ... these new headers.
3257 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
3259 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
3261 * mkconfig.sh: Don't include insn-codes.h from config.h.
3263 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
3264 enum insn_code is available. Move reload_in_optab and
3265 reload_out_optab array declarations to optabs.h.
3266 * regmove.c (gen_add3_insn): Move to optabs.c, export from
3267 there, prototype in expr.h.
3268 * gencodes.c: Cleanup: zap global variables, don't use
3269 printf where puts will do, don't bother defining MAX_INSN_CODE
3270 which nothing uses, let CODE_FOR_nothing get its value implicitly.
3272 * genemit.c, genopinit.c: Include optabs.h in generated file.
3273 * genoutput.c: Include insn-codes.h in generated file.
3274 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
3275 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
3276 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
3277 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
3278 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
3279 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
3281 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
3282 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
3283 config/m88k/m88k.c, config/sparc/sparc.c:
3285 * reload.c: Include expr.h and optabs.h before reload.h.
3286 * config/alpha/alpha.c: Include tree.h before reload.h.
3287 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
3288 and reload.h in that order.
3289 * config/sparc/sparc.c: Include debug.h.
3290 * recog.c: Include insn-codes.h.
3292 2001-08-13 Andreas Jaeger <aj@suse.de>
3294 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
3297 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3299 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
3300 * gcc.c (init_spec): Fix typo in comment.
3301 * varasm.c (data_section): Fix typo in comment.
3303 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3305 * predict.c (dump_prediction): New argument "USED".
3306 (combine_predictions_for_insn): Determine the used heuristics,
3307 output the case no heuristic applied.
3308 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
3310 2001-08-13 Andreas Jaeger <aj@suse.de>
3312 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
3315 2001-08-13 Kazu Hirata <kazu@hxi.com>
3317 * jump.c: Fix formatting.
3319 2001-08-13 Kazu Hirata <kazu@hxi.com>
3321 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
3324 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
3326 * loop.c (check_dbra_loop): Use condjump_label to compute
3329 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
3330 to better document the files they're in.
3332 2001-08-12 Zack Weinberg <zackw@panix.com>
3334 * recog.h (struct insn_operand_data): Shrink 'mode' field
3337 2001-08-12 Kazu Hirata <kazu@hxi.com>
3339 * gcc.c: Fix comment formatting.
3340 * gccspec.c: Likewise.
3343 * genemit.c: Likewise.
3344 * gengenrtl.c: Likewise.
3345 * genrecog.c: Likewise.
3346 * gensupport.c: Likewise.
3347 * ggc-page.c: Likewise.
3348 * global.c: Likewise.
3349 * graph.c: Likewise.
3350 * ifcvt.c: Likewise.
3351 * integrate.c: Likewise.
3353 * libgcc2.c: Likewise.
3355 * mbchar.c: Likewise.
3356 * optabs.c: Likewise.
3357 * predict.c: Likewise.
3358 * prefix.c: Likewise.
3359 * profile.c: Likewise.
3360 * protoize.c: Likewise.
3362 * recog.c: Likewise.
3363 * regclass.c: Likewise.
3364 * regmove.c: Likewise.
3365 * reg-stack.c: Likewise.
3366 * reload1.c: Likewise.
3367 * resource.c: Likewise.
3368 * rtlanal.c: Likewise.
3371 2001-08-12 Kazu Hirata <kazu@hxi.com>
3373 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
3374 a tree representing a constant is passed to the macro.
3376 2001-08-12 Richard Henderson <rth@redhat.com>
3378 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
3379 (rs6000_elf_asm_out_destructor): New.
3380 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
3381 (DTORS_SECTION_ASM_OP): Remove.
3382 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3383 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
3385 2001-08-12 David Edelsohn <edelsohn@gnu.org>
3388 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3389 * gcc.c (set_collect_gcc_options): New function, split out from
3391 Ignore elided switches.
3392 (do_spec_1): Invoke before executing command.
3393 (set_input): Export.
3394 Move declaration ...
3395 * gcc.h (set_input): ... here.
3396 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3399 2001-08-12 Richard Henderson <rth@redhat.com>
3401 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
3402 thinko wrt TARGET_RELOCATABLE.
3404 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
3406 * fix-header.c (cb_file_change): Update prototype.
3408 2001-08-11 Zack Weinberg <zackw@panix.com>
3410 * toplev.c (set_float_handler): Make static.
3411 * toplev.h: Don't prototype set_float_handler.
3413 * simplify-rtx.c: Don't include setjmp.h.
3414 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
3416 (simplify_unary_operation, simplify_binary_operation): Use them,
3417 via do_float_handler.
3419 * fold-const.c: Don't include setjmp.h.
3420 (exact_real_inverse_1): New function.
3421 (exact_real_inverse): Use it, via do_float_handler.
3423 * varasm.c: Don't include setjmp.h.
3424 (assemble_real_1): New function.
3425 (assemble_real): Use it, via do_float_handler.
3426 Call internal_error if we get a trap here.
3428 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
3429 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
3431 2001-08-11 Zack Weinberg <zackw@panix.com>
3433 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
3434 STACK_BOUNDARY if not already defined.
3436 * calls.c, function.c, reload1.c, explow.c: Don't default
3437 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
3438 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
3440 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
3443 * doc/tm.texi: Document that STACK_BOUNDARY is required;
3444 clarify difference between it and PREFERRED_STACK_BOUNDARY.
3446 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3448 * cppmacro.c (enter_macro_context): Push macro expansions even
3451 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3453 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
3454 (rs6000_elf_section_type_flags): Actually return a value.
3456 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3458 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
3459 Clean up code: add missing comments and prototypes, fix warnings,
3460 remove obsolete code, fix spacing to conform to coding style.
3462 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3464 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
3465 and TARGET_ASM_CLOSE_PAREN.
3466 (regclass_map): CC register belongs to class NO_REGS.
3467 (legitimize_pic_address): Don't generate unnecessary moves
3468 (to avoid confusing loop optimization).
3469 (check_and_change_labels): Replace jump_long by indirect_jump.
3470 (s390_final_chunkify): Don't start a new literal pool on section
3471 switch in 64-bit code.
3472 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
3474 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
3475 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
3476 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
3478 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
3479 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
3480 (CONST_COSTS): Fixed incorrect costs.
3482 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
3483 Use emit_jump instead of emit_jump_insn (gen_jump).
3484 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
3485 (to avoid confusing flow analysis).
3486 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
3487 (casesi, casesi_jump): New.
3488 (jump_long): Removed. Functionality merged into indirect_jump.
3489 (indirect_jump): Accept address_operand, not just register_operand.
3490 (cjump_long, icjump_long): Use same logic as indirect_jump.
3491 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
3492 Fixed broken setjmp/longjmp handling.
3493 (do_builtin_setjmp_setup): Removed.
3495 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
3496 broken GNU as versions that don't accept .quad with large
3497 negative values. Use hexadecimal output instead.
3498 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
3499 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
3500 FUNCTION_EPILOGUE): Removed. Now in targetm.
3502 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
3504 * config/s390/fixdfdi.h: Add missing copyright statement.
3505 Fix type conflicts on 64-bit. Add missing SFmode routines.
3507 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
3510 2001-08-11 Richard Henderson <rth@redhat.com>
3512 * rtl.h (REG_EH_RETHROW): Remove.
3513 * rtl.c (reg_note_name): Update.
3514 * combine.c (distribute_notes): Don't check for it.
3516 2001-08-11 Richard Henderson <rth@redhat.com>
3518 * combine.c (distribute_notes): Place REG_SETJMP.
3520 2001-08-11 Richard Henderson <rth@redhat.com>
3522 * doc/extend.texi (Arrays and pointers implementation): Discourage
3523 relying on sign-extension of pointers.
3525 2001-08-11 H.J. Lu <hjl@gnu.org>
3527 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
3529 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
3530 RDATA_SECTION_ASM_OP.
3532 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3534 * doc/install.texi (Specific, c4x): Fix cross-reference to the
3535 main manual to work both for info and HTML versions.
3537 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3538 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3540 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
3541 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
3542 (struct cpp_pool): New member first.
3543 * cppinit.c (append_include_chain): Plug memory leaks.
3544 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
3545 Allocate pragma structures from the (aligned) macro pool to
3546 avoid leaking memory.
3547 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
3548 so we don't leak memory.
3549 * hashtable.c (ht_destroy): New.
3550 * hashtable.h (ht_destroy): New.
3552 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3553 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3555 * c-lex.c (map): Make const.
3556 (cb_file_change): Update for callback passing a line map.
3557 Don't assume we have a previous map. Remove sanity check
3558 about popping too many files.
3559 * cpperror.c (print_location): Make map const.
3560 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
3561 (cpp_make_system_header): Similarly.
3562 (search_from): Similarly.
3563 (_cpp_execute_include): Don't remember where we came from.
3564 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
3565 (struct cpp_reader): Make map const.
3566 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
3567 * cpplib.c (do_line): Update; line maps now hold sysp.
3568 (cpp_push_buffer): Similarly.
3569 (_cpp_do_file_change): Similarly; callback with map instead.
3570 (cpp_get_line_maps): Constify return value.
3571 (_cpp_pop_buffer): Update.
3572 * cpplib.h (struct cpp_file_change): Remove.
3573 (struct cpp_callbacks): Update.
3574 (cpp_get_line_maps): Constify return value.
3575 * cppmacro.c (_cpp_create_definition): Update.
3576 * cppmain.c (struct printer): Constify map.
3577 (maybe_print_line): Similarly.
3578 (print_line): Similarly. Deduce flags 1 and 2 here.
3579 (cb_file_change): Update.
3580 * line-map.c (free_line_maps): Warn regardless.
3581 (add_line_map): Return pointer to const. When passed NULL to_file
3582 with LC_LEAVE, use the obvious values for the return point so the
3583 caller doesn't have to figure them out.
3584 (lookup_line): Return pointer to const.
3585 (print_containing_files): Take pointer to const.
3586 * line-map.h (struct line_map): New members reason, sysp.
3587 (add_line_map): Return pointer to const.
3588 (lookup_line): Similarly.
3589 (print_containing_files): Take pointer to const.
3591 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
3592 Richard Henderson <rth@redhat.com>
3594 * regmove.c (regmove_optimize): Avoid setting a register twice in
3597 2001-08-10 Richard Henderson <rth@redhat.com>
3599 * doc/extend.texi (Arrays and pointers implementation): Document
3600 behavior of pointer/integer conversion.
3602 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
3604 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
3606 2001-08-10 Richard Henderson <rth@redhat.com>
3608 * doc/extend.texi (C Implementation): New chapter.
3609 * doc/gcc.texi (Top): Link it in.
3611 2001-08-10 Andrew Cagney <ac131313@redhat.com>
3613 * doc/install.texi (Specific): Fix CVS merge botch.
3615 2001-08-10 Richard Henderson <rth@redhat.com>
3617 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
3618 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
3620 2001-08-10 Zack Weinberg <zackw@stanford.edu>
3622 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
3623 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
3624 this macro is now required.
3626 * cselib.c (cselib_process_insn), flow.c (propagate_block),
3627 loop.c (find_and_verify_loops), reload.c (reload): Check
3628 for rtx code of CALL_INSN, not CALL, when deciding if we
3629 need to check for REG_SETJMP note.
3631 * gcse.c (compute_hash_table, compute_store_table): Update
3632 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
3635 * config/avr/avr.c: Fix typo.
3636 * config/convex/convex.c (expand_movstr): Use adjust_address.
3637 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
3639 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
3640 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
3642 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
3643 Do define STACK_BOUNDARY.
3644 * config/i370/i370.c: Include expr.h.
3645 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
3646 config/pa/som.h, config/v850/v850.h: Take in_ctors and
3647 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
3648 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
3649 * config/m88k/m88k.c: Include c-tree.h after expr.h.
3650 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
3651 * config/romp/romp.c: Include expr.h after tree.h.
3653 (output_fpop): Use xmalloc, not oballoc.
3654 * config/we32k/we32k.c: Include expr.h.
3656 2001-08-10 Kazu Hirata <kazu@hxi.com>
3658 * config/h8300/h8300.h: Fix formatting.
3660 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
3662 * c-common.h (RETURN_NULLIFIED_P): Lose.
3663 * c-semantics.c (genrtl_return_stmt): Don't check it.
3665 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3667 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
3668 (mips_annotate_frame_insn): New function.
3669 (mips_emit_frame_related_store): New function.
3670 (save_restore_insns): Don't mark instructions that set up the base
3671 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
3672 the store instructions instead.
3673 (mips_expand_prologue): If the stack size is moved into a temporary
3674 register, do not mark that move as frame-related. Add a
3675 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
3677 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3679 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
3680 stack slot as unchanging if current_function_calls_eh_return.
3682 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3684 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
3685 access the second half of the TFmode scratch operand.
3687 2001-08-10 Anthony Green <green@redhat.com>
3689 * java/class.c (emit_register_classes): Conditionalize code on
3692 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3694 * doc/install.texi (Specific, avr): Fix cross-reference to the
3695 main manual to work both for info and HTML versions.
3697 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3699 * stmt.c (expand_null_return_1): Remove code to generate simple returns
3700 and "use_goto" argument.
3701 (expand_null_return, expand_value_return): Update all callers.
3702 * function.c (expand_function_end): Remove code to generate simple
3704 * config/vax/vax.md (epilogue): New expander for function return.
3705 * doc/md.texi (epilogue): Remove "if defined".
3707 2001-08-09 Zack Weinberg <zackw@stanford.edu>
3709 * Makefile.in: Partially revert my previous change:
3710 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
3711 of the hashtab.o and safe-ctype.o rules.
3713 2001-08-09 Richard Henderson <rth@redhat.com>
3715 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
3716 (USE_COLLECT2): Remove duplicate definition.
3717 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
3718 (use_collect2): Remove dead code.
3719 * configure.in (use_collect2): Remove will_use_collect2 and
3720 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
3721 * configure: Rebuild.
3723 * target.h (targetm.asm_out.constructor): New.
3724 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
3725 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
3726 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
3727 * varasm.c (in_ctors, in_dtors): New.
3728 (assemble_constructor, assemble_destructor): Remove.
3729 (default_stabs_asm_out_destructor): New.
3730 (default_named_section_asm_out_destructor): New.
3731 (dtors_section, default_dtor_section_asm_out_destructor): New.
3732 (default_stabs_asm_out_constructor): New.
3733 (default_named_section_asm_out_constructor): New.
3734 (ctors_section, default_ctor_section_asm_out_constructor): New.
3735 * output.h: Update declarations.
3736 * c-decl.c (c_expand_body): Use target hooks instead of
3737 assemble_constructor and assemble_destructor.
3738 * profile.c (output_func_start_profiler): Likewise.
3739 * objc/objc-act.c (finish_objc): Likewise.
3740 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
3741 for the constructor.
3742 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
3744 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
3745 (DTORS_SECTION_ASM_OP): Likewise.
3746 (__CTOR_LIST__): Use attribute section when possible.
3747 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
3749 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
3750 ASM_OUTPUT_CONSTRUCTOR.
3752 * config/darwin.c (machopic_asm_out_constructor): New.
3753 (machopic_asm_out_destructor): New.
3754 * config/darwin-protos.h: Update declarations.
3755 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3756 (ASM_OUTPUT_DESTRUCTOR): Remove.
3757 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3758 * config/nextstep.c (nextstep_asm_out_constructor): New.
3759 (nextstep_asm_out_destructor): New.
3760 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3761 (ASM_OUTPUT_DESTRUCTOR): Remove.
3762 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3763 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
3764 ASM_OUTPUT_*STRUCTOR.
3765 * config/i386/aix386ng.h: Likewise.
3767 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
3768 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
3769 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
3770 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3771 * config/lynx.h: Likewise.
3772 * config/netware.h: Likewise.
3773 * config/psos.h: Likewise.
3774 * config/alpha/alpha-interix.h: Likewise.
3775 * config/alpha/elf.h: Likewise.
3776 * config/arc/arc.h: Likewise.
3777 * config/arm/aof.h: Likewise.
3778 * config/arm/coff.h: Likewise.
3779 * config/arm/elf.h: Likewise.
3780 * config/c4x/c4x.h: Likewise.
3781 * config/h8300/h8300.h: Likewise.
3782 * config/i386/cygwin.h: Likewise.
3783 * config/i386/djgpp.h: Likewise.
3784 * config/i386/i386-coff.h: Likewise.
3785 * config/i386/i386-interix.h: Likewise.
3786 * config/i386/sco5.h: Likewise.
3787 * config/i386/vsta.h: Likewise.
3788 * config/i386/win32.h: Likewise.
3789 * config/i960/i960-coff.h: Likewise.
3790 * config/ia64/sysv4.h: Likewise.
3791 * config/m68hc11/m68hc11.h: Likewise.
3792 * config/m68k/coff.h: Likewise.
3793 * config/m68k/mot3300.h: Likewise.
3794 * config/m88k/m88k.h: Likewise.
3795 * config/mcore/mcore-pe.h: Likewise.
3796 * config/mcore/mcore.h: Likewise.
3797 * config/mips/elf.h: Likewise.
3798 * config/mips/elf64.h: Likewise.
3799 * config/mips/iris6.h: Likewise.
3800 * config/pa/pa64-hpux.h: Likewise.
3801 * config/rs6000/sysv4.h: Likewise.
3802 * config/sh/sh.h: Likewise.
3803 * config/sparc/litecoff.h: Likewise.
3805 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
3806 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
3807 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3808 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3809 (ASM_OUTPUT_DESTRUCTOR): Remove.
3810 * config/a29k/a29k.c: Move include of tree.h.
3811 * config/a29k/udi.h: Delete file.
3812 * config/alpha/alpha.c (vms_asm_out_constructor): New.
3813 (vms_asm_out_destructor): New.
3814 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
3815 (EXTRA_SECTION_FUNCTIONS): Likewise.
3816 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3817 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3818 * config/c4x/c4x.c: Move include of tree.h.
3819 * config/clipper/clipper.c (clix_asm_out_constructor): New.
3820 (clix_asm_out_destructor): New.
3821 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3822 (ASM_OUTPUT_DESTRUCTOR): Remove.
3823 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3824 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3825 (TARGET_ASM_CONSTRUCTOR): New.
3826 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
3827 (sco_asm_out_constructor): New.
3828 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
3829 * config/i386/svr3gas.h: Remove stack grows up code.
3830 Remove code duplicated from i386/sysv3.h.
3831 (TARGET_ASM_CONSTRUCTOR): New.
3832 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3833 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
3834 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3835 (TARGET_ASM_CONSTRUCTOR): New.
3836 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
3837 (m68hc11_asm_out_destructor): New.
3838 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
3839 (TARGET_ASM_DESTRUCTOR): New.
3840 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
3841 * config/m68k/dpx2.h: Properly undef all the bits inherited from
3842 config/svr3.h pertaining to section manipulation.
3843 * config/m68k/dpx2g.h: Remove #if 0 code.
3844 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
3845 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
3846 (ASM_OUTPUT_CONSTRUCTOR): Remove.
3847 (TARGET_ASM_CONSTRUCTOR): New.
3848 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
3849 (m88k_svr3_asm_out_constructor): New.
3850 (m88k_svr3_asm_out_destructor): New.
3851 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3852 (ASM_OUTPUT_DESTRUCTOR): Remove.
3853 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3854 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
3855 * config/rs6000/aix.h: Likewise.
3856 * config/mips/rtems64.h: Don't undef removed constructor related bits.
3857 * config/mips/vxworks.h: Likewise.
3858 * config/rs6000/lynx.h: Likewise.
3859 * config/sh/elf.h: Likewise.
3860 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
3861 (DTORS_SECTION_ASM_OP): New.
3862 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3863 (ASM_OUTPUT_DESTRUCTOR): Remove.
3864 * config/sparc/sol2-sld-64.h: Likewise.
3865 * config/vax/vax.c (vms_asm_out_constructor): New.
3866 (vms_asm_out_destructor): New.
3867 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3868 (ASM_OUTPUT_DESTRUCTOR): Remove.
3869 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3871 * doc/tm.texi (@node Initialization): Update.
3873 2001-08-09 Richard Henderson <rth@redhat.com>
3875 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
3876 (__do_global_dtors_aux): Use gp-relative static data to avoid
3877 one dynamic relocation.
3878 (__do_frame_setup): Register Java classes.
3879 * config/alpha/crtend.asm (__JCR_END__): New.
3881 2001-08-09 Zack Weinberg <zackw@stanford.edu>
3883 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
3884 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
3885 (GEN, STAGESTUFF): Add new files.
3886 (insn-constants.h, s-constants, tm-preds.h, s-preds,
3887 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
3888 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
3889 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
3890 as well as insn-codes.h and insn-flags.h in config.h; and no
3891 extra headers in tconfig.h and hconfig.h.
3893 * gencodes.c: Eliminate code to generate predicate declarations
3894 or #defines for md-file constants.
3895 * genconstants.c, genpreds.c: New files.
3897 * i386.md: Re-order guard expressions such that TARGET_64BIT
3898 comes first, when this permits better optimization. Add
3899 TARGET_64BIT to more x86-64 patterns. Add comment explaining
3900 why this is desirable.
3902 2001-08-09 Jakub Jelinek <jakub@redhat.com>
3904 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
3905 (find_fde_for_dso): Remove.
3906 (_Unwind_IteratePhdrCallback): New.
3907 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
3908 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
3910 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3912 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
3913 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
3915 2001-08-09 Graham Stott <grahams@redhat.com>
3917 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
3918 (vis_no_unit): Use it.
3919 (visualize_no_unit): Add the insn only if room exists.
3921 2001-08-09 Graham Stott <grahams@redhat.com>
3923 * predict.c (estimate_probability): Replace magic numbers with
3924 appropriate enumeration.
3926 2001-08-09 Graham Stott <grahams@redhat.com>
3928 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
3930 (EXTRACT_FLAGS): Likewise.
3932 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
3934 * config/mips/mips.c (mips_legitimate_address_p): Check for
3935 CONST_INT in last patch.
3937 2001-08-08 Anthony Green <green@redhat.com>
3939 * java/class.c (emit_register_classes): Use assemble_jcr if
3940 possible. Keep the original mechanism as a fallback.
3941 * defaults.h (JCR_SECTION_NAME): Define if we have named section
3942 and weak symbol support.
3943 * crtstuff.c (__JCR_LIST__): Define.
3944 (__JCR_END__): Define.
3945 (_Jv_RegiserClasses): Define weak symbol if possible.
3946 (__do_global_ctors_aux): Register classes for ELF targets with
3947 weak symbol support.
3949 2001-08-08 Kazu Hirata <kazu@hxi.com>
3951 * dbxout.c: Fix comment formatting.
3952 * dependence.c: Likewise.
3954 * diagnostic.c: Likewise.
3955 * dominance.c: Likewise.
3956 * doprint.c: Likewise.
3957 * dwarf2out.c: Likewise.
3958 * dwarfout.c: Likewise.
3959 * emit-rtl.c: Likewise.
3960 * except.c: Likewise.
3961 * explow.c: Likewise.
3962 * expmed.c: Likewise.
3965 * fold-const.c: Likewise.
3966 * function.c: Likewise.
3968 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3970 * global.c (retry_global_alloc): Avoid shadowing allocno.
3972 2001-08-08 Mark Mitchell <mark@codesourcery.com>
3974 * except.c (remove_fixup_regions): Fix typo.
3976 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
3978 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
3979 unsigned HOST_WIDE_INT to avoid warning.
3980 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
3981 * flow.c (set_block_for_new_insns): Likewise.
3983 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
3985 * sibcall.c (return_value_pseudo): New static variable.
3986 (skip_copy_to_return_value): Handle return_value_pseudo.
3987 (call_ends_block_p): Ensure that return_value_pseudo is set.
3988 (optimize_sibling_and_tail_recursive_call): Discover the
3989 load of pseudo return value in alternate exit block.
3991 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3993 * calls.c (ECF_ALWAYS_RETURN): New constant.
3994 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
3995 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
3996 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
3997 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
3998 * rtl.c (reg_note_name): New name.
3999 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
4001 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
4003 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
4005 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4007 * alias.c (get_alias_set): Return a previously calculated
4008 alias set for a VAR_DECL.
4009 * function.c (gen_mem_addressof): Calculate the alias set before
4012 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
4014 * predict.def: Set hitrates according our experimental run.
4016 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4018 * i386.h (HARD_REGNO_RENAME_OK): New macro.
4020 2001-08-08 H.J. Lu <hjl@gnu.org>
4022 * config/mips/mips.c (mips_unique_section): New. Copied from
4025 * config/mips/mips-protos.h (mips_unique_section): New
4028 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
4030 * config/mips/little.h: New. Generic little endian mips
4031 targets. Only mips*-*-linux* is converted to use it so far.
4033 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
4034 (WCHAR_TYPE): Defined
4035 (WCHAR_TYPE_SIZE): Likewise.
4036 (INIT_SUBTARGET_OPTABS): Likewise.
4037 (BSS_SECTION_ASM_OP): Likewise.
4038 (SBSS_SECTION_ASM_OP): Likewise.
4039 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
4040 (ASM_DECLARE_OBJECT_NAME): Likewise.
4041 (UNIQUE_SECTION): Likewise.
4042 (EXTRA_SECTIONS): Likewise.
4043 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4044 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4045 (ASM_OUTPUT_DEF): Likewise.
4046 (HANDLE_SYSV_PRAGMA): Removed.
4047 (NO_IMPLICIT_EXTERN_C): Likewise.
4048 (TARGET_MEM_FUNCTIONS): Likewise.
4049 (STARTFILE_SPEC): Likewise.
4050 (ENDFILE_SPEC): Likewise.
4051 (LIB_SPEC): Likewise.
4052 (INVOKE__main): Likewise.
4053 (CTOR_LIST_BEGIN): Likewise.
4054 (CTOR_LIST_END): Likewise.
4055 (DTOR_LIST_BEGIN): Likewise.
4056 (DTOR_LIST_END): Likewise.
4057 (SET_ASM_OP): Likewise.
4058 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4059 (ASM_OUTPUT_DEF): Likewise.
4060 (ASM_OUTPUT_IDENT): Likewise.
4062 * config/mips/mips.h (ASM_SPEC): Undefine before define.
4063 (CPLUSPLUS_CPP_SPEC): Likewise.
4064 (ASM_APP_ON) Redefine only if not defined.
4065 (ASM_APP_OFF): Likewise.
4066 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4067 (ASM_OUTPUT_IDENT): Likewise.
4069 * config.gcc: Update tm_file for Linux/mips.
4071 2001-08-08 Bernd Schmidt <bernds@redhat.com>
4073 * cselib.c (cselib_record_sets): If insn is predicated, turn
4074 sources into IF_THEN_ELSEs.
4076 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
4077 Turn into define_insn_and_split.
4079 * sched-deps.c: Include "cselib.h".
4080 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
4081 Use cselib to turn memory addresses into VALUEs.
4082 (sched_analyze): Call cselib_init/cselib_finish if necessary.
4083 * sched-int.h (struct sched_info): New member USE_CSELIB.
4084 * sched-ebb.c (ebb_sched_info): Initialize it.
4085 * sched-rgn.c (rgn_sched_info): Likewise.
4086 * Makefile.in (sched-deps.o): Update dependencies.
4088 * cselib.h (cselib_subst_to_values): Declare.
4089 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
4090 that have no value and autoincs to be handled by generating a new
4093 2001-08-08 Graham Stott <grahams@redhat.com>
4095 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
4096 within fixed length SEQUENCE.
4098 2001-08-08 Graham Stott <grahams@redhat.com>
4100 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
4101 (diagnostic_prefixing_rule): Likewise.
4102 (diagnostic_line_cutoff): Likewise.
4103 (diagnostic_kind_count): Likewise.
4105 2001-08-08 Graham Stott <grahams@redhat.com>
4107 * alias.c (find_base_decl): Delete redundent assignment.
4109 2001-08-08 Graham Stott <grahams@redhat.com>
4111 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
4112 (abs): Uppercase and paranthesize macro parameter.
4113 (MEM_DEPENDENCY): Add whitespace.
4115 2001-08-08 Graham Stott <grahams@redhat.com>
4117 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
4118 failure check for CONST_INT
4120 2001-08-08 Graham Stott <grahams@redhat.com>
4122 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
4123 (libcall_dead_p): Likewise.
4125 (mark_used_regs): Constify fmt.
4126 (find_use_as_address): Likewise.
4128 2001-08-08 Graham Stott <grahams@redhat.com>
4130 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
4133 2001-08-08 Graham Stott <grahams@redhat.com>
4135 * combine.c (combine_simplify_rtx): Update comment and
4136 remove erroneous test.
4138 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4140 * cppinit.c (cpp_finish): Pop the final buffer without comment.
4141 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
4142 take care to avoid multiple no-newline at EOF warnings in that
4145 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
4147 * calls.c (expand_call): Do not emit INSN_SETJMP note.
4148 (emit_library_call_value_1): Likewise.
4149 (emit_call_1): Emit REG_SETJMP note.
4150 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
4152 * cselib.c (cselib_process_insn): Likewise.
4153 * flow.c (propagate_block): Likewise.
4154 * loop.c (find_and_verify_loops): Likewise.
4155 * reload.c (find_equiv_regs): Likewise.
4156 * reload1.c (reload): Likewise.
4157 * resource.c (mark_referenced_resources,
4158 mark_set_resources): Likewise.
4159 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
4160 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
4161 * haifa-sched.c (unlink_other_notes): Likewise.
4162 (reemit_notes): Likewise.
4163 * sched-ebb.c (sched_ebb): Likewise.
4164 * sched-rgc.c (sched_region): Likewise.
4165 * rtl.c (note_insn_name): Likewise.
4166 (reg_note_name): Add REG_SETJMP
4167 * rtl.h (reg_note): Add REG_SETJMP.
4168 (insn_note): Remove NOTE_INSN_SETJMP.
4170 * profile.c (branch_prob): Add fake edges for setjmp.
4172 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
4174 * config.gcc: Quote target_cpu_default2 correctly for
4175 powerpc*-*-* targets.
4177 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4179 * cpplib.h, line-map.h: Update comments.
4180 * cppmain.c (printer_init): Move inline.
4181 (maybe_print_line, print_line): Take a map pointer.
4182 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
4183 (cb_file_change): Don't use prior value of print.map.
4185 2001-08-07 David Edelsohn <edelsohn@gnu.org>
4187 * doc/install.texi: Document fine-grained multilib configuration.
4189 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
4191 * rtlanal.c (find_first_parameter_load): Call note_stores
4192 only on the instructions.
4194 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4196 * alias.c (nonlocal_mentioned_p):
4197 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
4198 * calls.c (emit_call_1): Likewise.
4199 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
4200 * cselib.c (cselib_process_insn): Likewise.
4201 * df.c (df_insns_modify): Likewise.
4202 * flow.c (need_fake_edge_p): Likewise.
4203 (propagate_one_insn): Likewise.
4204 * haifa-sched.c (reemit_notes): Likewise.
4205 * integrate.c (copy_insn_list): Likewise.
4206 * jump.c (delete_prior_computation): Likewise.
4207 * local-alloc.c (validate_equiv_mem): Likewise.
4208 * loop.c (scan_loop): Likewise.
4209 * predict.c (estimate_probability): Likewise.
4210 * reload.c (reload): Likewise.
4211 * sched-deps (sched_analyze): Likewise.
4212 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
4213 * gcse.c (compute_hash_table): Likewise.
4214 (mark_call): Likewise.
4215 (store_killed_in_insn): Likewise.
4217 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
4219 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
4221 2001-08-06 Richard Henderson <rth@redhat.com>
4223 * varasm.c (assemble_gc_entry): Remove.
4224 * output.h: Likewise.
4226 2001-08-06 Richard Henderson <rth@redhat.com>
4228 * varasm.c (assemble_constructor): Take a symbol_ref and a
4229 priority instead of a bare string. Move priority handling
4230 here from cp/decl2.c.
4231 * output.h: Update decls.
4233 * c-decl.c (c_expand_body): Update calls to assemble_constructor
4234 and assemble_destructor.
4235 * profile.c (output_func_start_profiler): Likewise.
4236 * objc/objc-act.c (finish_objc): Likewise.
4237 (build_module_descriptor): Return the symbol not the symbol name.
4239 2001-08-06 David Edelsohn <edelsohn@gnu.org>
4241 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
4242 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
4243 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
4244 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
4245 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
4246 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
4248 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4250 * cpperror.c (print_containing_files): Moved to line-map.c.
4251 (print_location): line-map.c handles re-listing or otherwise.
4252 * cpphash.h (struct lexer_state): Remove next_bol.
4253 (struct cpp_buffer): Remove include_stack_listed.
4254 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
4255 Remove faked buffer handling.
4256 (_cpp_do_file_change): Tweak.
4257 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
4258 * cppmain.c (struct printer): Remove filename.
4259 (print_line, cb_file_change): Update accordingly.
4260 * line-map.c: Include intl.h.
4261 (init_line_maps): Initialize last_listed.
4262 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
4263 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
4264 (print_containing_files): New.
4265 * line-map.h (struct line_maps): New member last_listed.
4266 (print_containing_files, INCLUDED_FROM): New.
4267 * Makefile.in: Update.
4268 * po/POTFILES.in: Add line-map.c.
4270 2001-08-06 Richard Henderson <rth@redhat.com>
4272 * except.c (convert_from_eh_region_ranges_1): Never mark
4273 USE or CLOBBER insns as throwing.
4275 * expr.c (store_constructor): Don't clobber memory targets.
4277 2001-08-06 Andreas Jaeger <aj@suse.de>
4279 * profile.c (branch_prob): Remove unused variable insn.
4281 * Makefile.in (local-alloc.o): Add dependency on except.h.
4283 * local-alloc.c: Include except.h for can_throw_internal prototype.
4285 2001-08-06 Richard Henderson <rth@redhat.com>
4287 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4288 * function.c (expand_main_function): Implement it.
4289 * doc/tm.texi: Document it.
4291 2001-08-06 Stan Shebs <shebs@apple.com>
4293 * doc/install.texi: Document powerpc-*-darwin* details.
4295 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
4297 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
4298 (ASM_CPU_SPEC): Move back to rs6000.h
4299 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
4301 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
4303 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
4306 * config/rs6000/linux64.h: Ditto.
4308 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4309 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
4312 Remove accidently readded definitions of FUNCTION_PROLOGUE,
4313 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
4315 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4318 2001-08-05 Richard Henderson <rth@redhat.com>
4320 * local-alloc.c (update_equiv_regs): Do not move insns that
4323 2001-08-05 Jan Hubicka <jh@suse.cz>
4325 * Makefile.in (reload1.o): Add dedendancy on except.h
4326 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
4328 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
4329 indicating wehther edges has been cleaned up.
4330 * reload1.c: Inlucde except.h
4331 (fixup_abnormal_edges): Accept deleted insns.
4332 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
4335 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4337 * cpplib.c (do_line): Correct line number after pop_buffer.
4339 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4341 PR preprocessor/3824
4342 * line-map.c: Update comments.
4343 * line-map.h: Update comments.
4344 * tradcif.y: Don't consider large numbers unsigned.
4346 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4348 PR preprocessor/3081
4349 * c-lex.c (map): New.
4350 (cb_file_change): Update map and use it.
4351 (cb_def_pragma, cb_define, cb_undef): Use map and line.
4352 (c_lex): Update to use map.
4353 * cpperror.c (print_location): Move to using logical line numbers.
4354 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
4355 (cpp_make_system_header): Similarly.
4356 (_cpp_execute_include): Stop line numbering hacks. Store the
4357 line we will return to.
4358 * cpphash.h (CPP_BUF_LINE): Remove.
4359 (struct cpp_buffer): Remove lineno and pseudo_newlines.
4360 Add map and return_to_line.
4361 (_cpp_do_file_change): Update.
4362 * cppinit.c (cpp_start_read): Update line kludge.
4363 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
4364 (trigraph_ok): Use logical line numbers for diagnostics.
4365 (skip_block_comment): Likewise.
4366 (skip_whitespace): Likewise.
4367 (skip_line_comment): Use pfile->line instead.
4368 (_cpp_lex_token): Update to use logical line numbering exclusively.
4369 Handle BOL locally. Accept new lines in directives, but keep
4370 pfile->line decremented. Diagnostics use logical lines. Update
4372 * cpplib.c (SEEN_EOL): New.
4373 (skip_rest_of_line, check_eol): Use it.
4374 (end_directive): Increase line number when accepting the newline
4375 at the end of a directive.
4376 (run_directive): Simplify.
4377 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
4378 (_cpp_do_file_change): Update to take buffer line number as an
4379 argument, and store the current map in the cpp_reader. Remove
4380 line number kludges.
4381 (_cpp_do__Pragma): Restore output position after a _Pragma.
4382 (cpp_push_buffer): Don't set output line or lineno.
4383 (_cpp_pop_buffer): Transfer more info from a faked buffer.
4384 Remove line kludge. Set output_line.
4385 * cppmacro.c (builtin_macro): Update handling of __LINE__.
4386 (parse_arg): Use logical lines.
4387 (save_lookahead_token): Save EOFs too now.
4388 * cppmain.c (struct printer): Fix comments.
4389 (printer_init): Simplify, let caller do errors.
4390 (scan_translation_unit, check_multiline_token, dump_macro): Update.
4391 (maybe_print_line): Simplify.
4392 (print_line): Don't print a linemarker if -P.
4393 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
4394 (cb_file_change): Simplify.
4395 * line-map.h (LAST_SOURCE_LINE): Fix.
4396 (CURRENT_LINE_MAP): New.
4398 2001-08-05 Bernd Schmidt <bernds@redhat.com>
4400 * doloop.c (doloop_modify_runtime): Properly compute number of
4401 iterations if loop was unrolled.
4403 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
4404 if their CSELIB_VAL_PTRs are.
4406 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
4407 (setup_spill_pointers): Initialize it.
4408 (spill_restore_mem): Set it.
4409 (do_spill, do_restore): Use it to add REG_INC note.
4410 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
4412 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
4413 asms if other insns are available.
4415 * config/ia64/ia64.c (condop_operator): New predicate.
4416 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
4417 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
4420 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
4421 temporary register than directly using a MEM.
4423 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4425 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
4426 parameter in last change.
4428 2001-08-04 Zack Weinberg <zackw@panix.com>
4430 * sparc.md: Don't use #if inside C test expression.
4432 2001-08-04 Richard Henderson <rth@redhat.com>
4434 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
4436 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
4438 * cpphash.h (struct cpp_reader): New member directive_line.
4439 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
4440 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
4441 do_pragma): Pass line to callbacks.
4442 (start_directive): Record line of directive.
4443 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
4444 cb_include): Similarly.
4445 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
4448 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4450 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
4453 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4455 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
4457 * reload1.c (fixup_abnormal_edges): New static function.
4460 * flow.c (need_fake_edge_p): New function.
4461 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
4462 avoid call insn to be very last insn in the insn stream.
4464 * profile.c (branch_prob): Call flow_call_edges_add instead of
4465 doing that by hand; cleanup cfg to re-merge basic blocks once
4468 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4470 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
4471 are also on line-map.h.
4472 * cppfiles.c (stack_include_file): Update.
4473 * cpphash.h (struct cpp_buffer): New member return_at_eof.
4474 (_cpp_pop_buffer): New.
4475 * cppinit.c (cpp_destroy, cpp_finish): Update.
4476 (do_includes): Mark each buffer to return at EOF.
4477 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
4478 return as requested.
4479 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
4480 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
4481 * cpplib.h (cpp_pop_buffer): Remove.
4482 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
4483 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
4485 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
4487 (do_preprocessing): Update.
4488 * fix-header.c (read_scan_file): Update. No need to pop buffers.
4489 * c-parse.in (_yylex): Similarly.
4490 * scan-decls.c (scan_decls): Similarly.
4491 * line-map.h: Update comments.
4493 * objc/Make-lang.in (objc-act.o): Update dependencies.
4495 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4497 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
4498 and soft register for operand 0.
4499 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
4501 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4503 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
4504 register for operand 0.
4505 ("bitcmpqi_z_used"): Allow memory for operand 0.
4506 (split "bitcmpqi"): New split to handle address reg as operand 1.
4508 2001-08-04 Andreas Jaeger <aj@suse.de>
4510 * gcse.c: Revert Daniel's last patch.
4512 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4514 * sparc-protos.h: Add prototypes for fp_zero_operand and
4516 * sh-protos.h: Add prototype for fpul_operand.
4518 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4520 * doc/extend.texi (Other Builtins): Fix typo in last change.
4522 2001-08-03 Richard Henderson <rth@redhat.com>
4524 * target.h (gcc_target): Add asm_out.named_section,
4525 section_type_flags, have_named_sections.
4526 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
4527 (TARGET_HAVE_NAMED_SECTIONS): New.
4528 (TARGET_SECTION_TYPE_FLAGS): New.
4530 * Makefile.in (toplev.o): Depend on TARGET_H.
4531 (varasm.o, dbxout.o): Likewise.
4532 * c-common.c (decl_attributes): Check targetm.have_named_sections
4533 instead of ifdef ASM_OUTPUT_SECTION_NAME.
4534 * dbxout.c (dbxout_function_decl): Likewise.
4535 (dbxout_function_end): Likewise.
4536 * toplev.c (compile_file): Likewise.
4537 * varasm.c (exception_section): Likewise.
4538 * cp/decl2.c (finish_objects): Likewise.
4540 * defaults.h (EH_FRAME_SECTION): Remove.
4541 (EH_FRAME_SECTION_ASM_OP): Remove.
4542 (EH_FRAME_SECTION_NAME): New.
4543 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
4544 (UNIQUE_SECTION_P): Remove.
4545 * dwarf2out.c (SECTION_FORMAT): Remove.
4546 (ASM_OUTPUT_SECTION): Remove.
4547 (output_call_frame_info): Use named_section_flags.
4548 (output_comp_unit, dwarf2out_start_source_file): Likewise.
4549 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
4550 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
4551 * varasm.c (in_eh_frame, eh_frame_section): Remove.
4552 (named_section_flags): New.
4553 (named_section): Use it and targetm.section_type_flags.
4554 (resolve_unique_section): New.
4555 (assemble_start_function): Use it.
4556 (asm_emit_uninitialised, assemble_variable): Likewise.
4557 (default_section_type_flags): New.
4558 (default_no_named_section, default_elf_asm_named_section): New.
4559 (default_coff_asm_named_section, default_pe_asm_named_section): New.
4560 * output.h: Update varasm.c decls.
4561 (SECTION_*): New flags.
4563 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
4564 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
4566 * config/elfos.h (UNIQUE_SECTION_P): Remove.
4567 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
4568 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
4569 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4570 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
4571 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
4572 * config/mips/elf.h, config/mips/elf64.h: Likewise.
4573 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
4574 * config/pa/pa64-hpux.h,
4576 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
4577 (TARGET_ASM_NAMED_SECTION): New.
4578 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
4579 * config/alpha/vms.h, config/arm/coff.h: Likewise.
4580 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
4581 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
4582 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
4583 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
4584 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4585 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
4586 * config/i386/sco5.h, config/i386/win32.h: Likewise.
4587 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
4588 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
4589 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
4590 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
4591 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
4592 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
4593 * config/sparc/sysv4.h: Likewise.
4595 * config/nextstep.h: Error until named sections implemented.
4597 * config/a29k/a29k.c (a29k_asm_named_section): New.
4598 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
4599 (vms_section_type_flags, vms_asm_named_section): New.
4600 * config/arm/arm.c (arm_elf_asm_named_section): New.
4601 * config/avr/avr.c (asm_output_section_name): Remove.
4602 * config/avr/avr-protos.h: Update.
4603 * config/c4x/c4x.c (c4x_asm_named_section): New.
4604 * config/h8300/h8300.c (h8300_asm_named_section): New.
4605 * config/i386/i386.c (sco_asm_named_section): New.
4606 * config/i386/winnt.c (SECTION_PE_SHARED): New.
4607 (i386_pe_section_type_flags): New.
4608 (i386_pe_asm_named_section): New.
4609 * config/i386/i386-protos.h: Update.
4610 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
4611 * config/mcore/mcore.c (mcore_asm_named_section): New.
4612 * config/mips/mips.c (iris6_asm_named_section): New.
4613 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
4614 instead of UNIQUE_SECTION_P.
4615 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
4616 (xcoff_asm_named_section): New.
4617 * config/sh/sh.c (sh_asm_named_section): New.
4618 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
4620 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
4621 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
4622 (EH_FRAME_SECTION_NAME): New.
4623 (EXCEPTION_SECTION): New.
4624 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
4625 (DEBUG_*_SECTION): Remove.
4626 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
4627 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
4628 (EH_FRAME_SECTION_ASM_OP): Remove.
4630 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
4631 (ASM_OUTPUT_SECTION_NAME): Remove.
4632 (TARGET_ASM_NAMED_SECTION): New.
4633 (TARGET_HAVE_NAMED_SECTIONS): New.
4634 (TARGET_SECTION_TYPE_FLAGS): New.
4635 (EH_FRAME_SECTION_ASM_OP): Remove.
4636 (EH_FRAME_SECTION_NAME): New.
4638 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4640 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
4641 for complex expressions when cfun == 0.
4642 * doc/extend.texi: Document that __builtin_constant_p can be
4643 used in data initializers as well as functions.
4645 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
4647 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
4648 variable I locally, instead of expecting a declaration in the
4651 2001-08-03 Richard Henderson <rth@redhat.com>
4653 * except.c (collect_one_action_chain): Add an explicit cleanup
4654 action if regions surrounding a catch were encoded entirely
4655 within the call-site entry.
4657 2001-08-03 Richard Henderson <rth@redhat.com>
4659 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
4660 don't take REGNO of a non-register.
4662 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4664 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
4665 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
4666 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
4667 (__gthread_mutex_init_function): New function for mutex initialization.
4669 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4671 * Makefile.in: Revert screwed up commit.
4673 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4675 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
4676 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
4677 merged by linker script to get a final _exit().
4678 (__do_global_dtors): New for destructor handling in specific exit
4680 (__do_global_ctors): New for constructors in specific install section.
4681 (__map_data_section): Map data sections before running constructors.
4682 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
4683 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
4684 (DTORS_SECTION_ASM_OP): Likewise.
4685 (CTORS_SECTION_FUNCTION): Define to force a reference to
4687 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
4689 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4691 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
4693 * Makefile.in: Add df.h to gcse.c dependencies.
4695 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4697 * varasm.c (output_constant_def_contents): Use for the length of a
4698 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
4699 depending on which is larger.
4701 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4703 * gcse.c: Include df.h for use as a dataflow analyzer.
4705 Declaration of reg_set_info: gone.
4706 New df_analyzer variable used by store motion.
4707 (reg_set_info): Deleted.
4708 (mark_mem_regs): New function, analyze regs used by a mem.
4709 (store_ops_ok): Use dataflow analyzer results to determine if
4710 necessary regs are changed in the block.
4711 (find_moveable_store): Remove check for symbol ref, we can handle
4712 much more complex expressions now.
4713 (compute_store_table): Remove most of the code, it's unnecessary
4714 now that the dataflow analyzer records the info for us.
4715 (store_killed_after): Add parameter to say whether to do the
4716 store_ops_okay test, used to speed up testing when we already know
4717 the answer, and just want to know if the store itself was killed.
4718 (build_store_vector): Largely rewritten to calculate the various
4719 vectors properly, and somewhat optimized.
4720 (store_motion): Init the df_analyzer, get REG_DEF chains.
4721 Also handle trapping expressions (since mems almost always trap)
4722 (simple_mem): Redefine what a simple mem is.
4724 2001-08-03 DJ Delorie <dj@redhat.com>
4726 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
4727 set from a constant part of the condition.
4729 2001-08-01 Andrew Cagney <ac131313@redhat.com>
4731 * mkdeps.c (deps_add_default_target): Make local variable
4732 ``start'' a const char pointer.
4733 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
4735 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4737 * doc/install.texi (Configuration): Fix markup.
4738 (Specific, i?86-*-udk): Likewise.
4739 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
4741 Document --enable-threads and --enable-libgcj status.
4742 (Specific, mips-sgi-irix*): Canonicalize triples.
4743 (Specific, mips-sgi-irix5): Warn about problems with this config.
4744 Mention required GNU as patch.
4745 Native assembler problems are fixed.
4746 (Specific, mips-sgi-irix6): Update O32 ABI support status.
4747 Document --enable-threads and --enable-libgcj status.
4749 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4751 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
4754 2001-08-03 Richard Henderson <rth@redhat.com>
4756 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
4759 2001-08-03 Richard Henderson <rth@redhat.com>
4761 * rtlanal.c (find_first_parameter_load): Stop if we
4762 reach a CODE_LABEL at BOUNDARY.
4764 2001-08-03 Richard Henderson <rth@redhat.com>
4766 * config/alpha/alpha.md (force_movdi): New insn.
4767 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
4768 Tweek FRP marking of VMS prologue insns.
4769 * config/alpha/vms.h (EPILOGUE_USES): New.
4771 2001-08-02 Richard Henderson <rth@redhat.com>
4773 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
4775 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
4777 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
4778 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
4779 config/convex/convex.h, config/d30v/d30v.c,
4780 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
4781 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
4782 config/mips/mips.h, config/mn10200/mn10200.h,
4783 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
4784 config/v850/v850.h, config/vax/openbsd.h,
4785 config/vax/openbsd1.h, config/vax/ultrix.h,
4786 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
4787 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
4788 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
4789 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
4790 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
4791 in comments and documentation.
4793 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4797 * Makefile.in (line-map.o): New.
4798 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
4799 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
4800 * cpperror.c (print_containing_files): Similarly.
4801 (print_location): Update. Don't output a space before _Pragma.
4802 * cppfiles.c (stack_include_file): Set to line 1 immediately.
4803 (stack_include_filee, cpp_make_system_header): Update.
4804 (_cpp_execute_include): Get logical line number right for calling
4805 as-yet-unterminated #include.
4806 * cpphash.h (struct cpp_reader): Add line_maps.
4807 (_cpp_do_file_change): Update.
4808 * cppinit.c (cpp_create_reader): Initialize line maps.
4809 (cpp_destroy): Destroy line maps.
4810 (cpp_start_read): Get logical line number right.
4811 * cpplex.c (parse_string): Only warn once for multi-line strings.
4812 Use boolean variable for null warning.
4813 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
4815 (do_include_common): End the directive early.
4816 (do_line): Don't warn about out-of-range lines in preprocessed
4817 source. Update. Remove unused variables.
4818 (_cpp_do_file_change): Update for new line mapping.
4819 (pragma_cb): New typedef.
4820 (cpp_register_pragma): Stop looking ahead before calling the
4822 (do_pragma_system_header): End directive early.
4823 (cpp_get_line_maps): New.
4824 (cpp_pop_buffer): Fudge logical line. Update.
4825 * cpplib.h: Include line-map.h
4826 (enum cpp_fc_reason): Remove.
4827 (struct cpp_file_change): Update.
4828 (cpp_get_line_maps): New.
4829 * cppmain.c (struct_printer): New member map.
4830 (cb_file_change): Update for new mappings.
4831 * fix-header.c (cb_file_change): Similarly.
4833 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4835 * Makefile.in (libgcc.mk): Define mkinstalldirs.
4836 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
4838 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
4840 * config/vax/vax.c: include expr.h.
4842 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4844 * Makefile.in ($(srcdir)/configure): Only rebuild in
4846 ($(srcdir)/config.in): Only define in maintainer mode.
4847 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
4849 2001-08-02 David Edelsohn <edelsohn@gnu.org>
4851 * doc/install.texi (Install GCC: Binaries): Update Bull info.
4853 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4855 * gcc.c (set_collect_gcc_options): New function, split out from
4857 Ignore elided switches.
4858 (do_spec_1): Invoke before executing command.
4859 (set_input): Export.
4860 Move declaration ...
4861 * gcc.h (set_input): ... here.
4862 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
4865 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
4868 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
4870 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
4872 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
4874 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
4875 for the unnamed instructions it expands to.
4877 2001-08-02 Richard Henderson <rth@redhat.com>
4879 * regclass.c (call_really_used_regs): Conditionally define.
4880 (init_reg_sets_1): Don't use it if not defined.
4881 (fix_register): Similarly, don't set it.
4883 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4885 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
4886 Correct comment that had been missed in the previous change.
4888 2001-08-01 Stan Shebs <shebs@apple.com>
4890 * config/darwin.c (machopic_stub_name): Try matching by name.
4891 (update_stubs): New function.
4892 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
4895 2001-08-01 Richard Henderson <rth@redhat.com>
4897 * except.c (output_function_exception_table): Use assemble_align.
4898 * varasm.c (assemble_eh_label): Remove.
4899 (assemble_eh_align, assemble_eh_integer): Remove.
4901 2001-08-01 Robert Lipe <robertl@caldera.com>
4903 * dwarfout.c: Remove reference to README.DWARF.
4905 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
4907 * regclass.c (call_really_used_regs): New array for registers which
4908 are actually used by a call.
4909 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
4911 (fix_register): Set call_really_used too.
4912 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
4913 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
4915 2001-08-01 Richard Henderson <rth@redhat.com>
4917 * read-rtl.c (read_name): Consider \r whitespace.
4919 2001-07-11 Andrew Cagney <ac131313@redhat.com>
4921 * config.gcc: Recognize powerpc-*-netbsd*.
4923 * doc/install.texi (Host/target specific installation notes for
4924 GCC): Mention powerpc-*-netbsd*.
4926 * config/rs6000/netbsd.h: New file.
4927 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
4928 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
4929 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
4930 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
4931 (TARGET_VERSION): Redefine.
4933 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
4934 mcall-netbsd as a match for mcall-sysv.
4935 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
4936 (ncrti.S, ncrtn.S): New targets.
4937 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
4939 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
4940 "netbsd' as a V4 ABI.
4941 (ASM_SPEC): Check for -mcall-netbsd.
4942 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
4943 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
4944 (LIB_SPEC, ENDFILE_SPEC): Ditto.
4945 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
4946 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
4947 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
4948 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
4950 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
4951 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
4953 2001-08-01 Mark Kettenis <kettenis@gnu.org>
4955 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
4956 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
4957 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
4958 including "unwind-pe.h".
4960 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
4962 * rs6000.md (define_splits): Kill unused constraints.
4964 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
4965 Jan Hubicka <jh@suse.cz>
4967 * function.c (thread_prologue_and_epilogue_insns): Kill code
4968 dealing with non-existent CFG.
4970 2001-08-01 Kazu Hirata <kazu@hxi.com>
4972 * alias.c: Fix comment formatting.
4973 * bitmap.c: Likewise.
4974 * builtins.c: Likewise.
4975 * calls.c: Likewise.
4976 * c-common.c: Likewise.
4977 * c-decl.c: Likewise.
4978 * c-dump.c: Likewise.
4979 * c-lex.c: Likewise.
4980 * collect2.c: Likewise.
4981 * combine.c: Likewise.
4982 * conflict.c: Likewise.
4983 * cppfiles.c: Likewise.
4984 * cppinit.c: Likewise.
4985 * cpplex.c: Likewise.
4986 * cpplib.c: Likewise.
4987 * cppmacro.c: Likewise.
4988 * cppspec.c: Likewise.
4989 * c-pragma.c: Likewise.
4990 * crtstuff.c: Likewise.
4992 * cselib.c: Likewise.
4993 * c-semantics.c: Likewise.
4994 * c-typeck.c: Likewise.
4996 2001-08-01 H.J. Lu <hjl@gnu.org>
4998 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
5000 2001-08-01 H.J. Lu <hjl@gnu.org>
5002 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
5004 2001-08-01 Ziemowit Laski <zlaski@apple.com>
5006 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
5007 contextualizing Objective-C class name lookup by the lexer.
5008 (typespec_reserved_nonattr): Disable ObjC class name lookup after
5010 (protocoldef): Add support for forward @protocol declarations.
5011 (yylexname): Suppress ObjC class name lookup in certain contexts;
5012 re-enable after lookup is complete.
5013 (_yylex): Re-enable ObjC class name lookup when certain
5014 punctuation marks are seen.
5016 * objc/objc-act.c (check_protocol_recursively): New function used
5017 for finding circular dependencies in protocols.
5018 (objc_declare_protocols): New function for handling forward
5019 @protocol declarations.
5020 (receiver_is_class_object): Detect the case when 'self' is used
5021 inside of a class method.
5022 (build_message_expr): Issue a warning if class method is desired
5023 but instance method is found instead.
5024 (conforms_to_protocol): Streamline.
5025 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
5026 protocol Foo, even if 'Bar foo' does not.
5027 (check_protocols): Streamline.
5028 (start_protocol): Add checks for circular and duplicate protocol
5030 (encode_aggregate_within): For typedefs of structs, encode the
5032 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
5033 (objc_declare_protocols): New prototype.
5035 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5037 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
5038 * cpplex.c (handle_newline): Update prototype. Maintain logical
5040 (skip_escaped_newlines, skip_block_comment, parse_string):
5042 (_cpp_lex_token): Update, and store token position within the token.
5043 * cpplib.h (struct cpp_token): Add line and column entries.
5044 * cppmacro.c (replace_args): Position stringified tokens correctly.
5046 2001-08-01 Andreas Jaeger <aj@suse.de>
5048 * basic-block.h: Add prototype for last_loop_beg_note.
5050 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
5052 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
5053 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
5055 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
5056 while handling WITH_CLEANUP_EXPR node. Use second operand calling
5057 expand_decl_cleanup.
5058 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
5060 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
5061 operand while calling simple_cst_equal.
5062 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
5063 operand is the cleanup expression, the third is the RTL_EXPR.
5064 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
5066 2001-07-31 Jeff Sturm <jsturm@one-point.com>
5068 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
5070 2001-07-31 matthew green <mrg@eterna.com.au>
5072 * config.gcc (i386-*-netbsdelf): New description.
5073 * config/i386/netbsd-elf.h: New file.
5075 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
5077 * loop.c (check_dbra_loop): Use single_set to compute
5080 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
5082 PowerPC reorg and support for powerpc64-*-linux*.
5084 Also fixes emitting of constants on 32 bit and 64 bit
5087 * config.gcc: powerpc64-*-linux* is a new target.
5088 Things that needed aix.h now also include xcoff.h
5090 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
5092 Move AIX specific stuff into aix.h.
5093 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
5094 with more than just XCOFF now.
5095 (SET_ASM_OP): Remove, now defined where needed.
5096 (FUNCTION_PROLOGUE): New macro definition.
5097 (FUNCTION_EPILOGUE): New macro definition.
5098 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
5100 * config/rs6000/xcoff.h: New file.
5102 * config/rs6000/linux64.h: New file.
5104 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
5106 2001-07-31 Alan Modra <amodra@bigpond.net.au>
5108 * rs6000.c (print_operand_address): Handle ELF syntax.
5109 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
5110 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
5111 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
5113 2001-07-31 David Edelsohn <edelsohn@gnu.org>
5115 * rs6000.c (rs6000_override_options): Only disable
5116 flag_function_sections for XCOFF.
5117 (exact_log2_cint_operand): New predicate.
5118 (reg_or_{add,sub}_cint64_operand): New predicates.
5119 (add_operand): Compare CONST_INT with fewer function calls.
5120 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
5121 (print_operand, case 'p'): Ensure positive operand.
5122 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
5123 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
5124 (PREDICATE_CODES): Add new predicates.
5125 * rs6000.md (addsi3): Split 32-bit constants more correctly.
5126 (divsi3, modsi3): Ensure positive power-of-2.
5127 (adddi3): Use new predicate. Split 32-bit constants more
5128 correctly. Re-arrange splitter to handle any constant.
5129 (subdi3): Use new predicate.
5130 (divdi3, moddi3): Ensure positive power-of-2.
5131 (movdi): Use rs6000_emit_set_const.
5132 (load_toc_v4_pic_di): Delete.
5134 2001-07-31 Graham Stott <grahams@redhat.com>
5136 * function.c (pad_below): Revert 2001-07-26 patch.
5138 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5140 * reg-stack (convert_regs_1): Fix best edge condition.
5142 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5144 * jump.c (duplicate_loop_exit_test): Better test for jumps
5145 entering the loop; create loop pre_header.
5147 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
5149 * doc/install.texi: Add s390 and s390x as new targets.
5150 * doc/invoke.texi: Add documantation of S/390 and zSeries
5152 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
5154 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5156 * config/m68k/m68k.md: Replace all general_operand with
5157 nonimmediate_operand for all destinations.
5158 * config/m68k/m68k.c (not_sp_operand): Likewise.
5160 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
5162 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
5164 2001-07-30 Richard Henderson <rth@redhat.com>
5166 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
5167 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
5169 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5171 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
5172 Add missing doc strings
5173 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
5174 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
5176 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5178 * i386.c (ix86_output_main_function_alignment_hack): New function.
5179 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
5181 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
5182 edges by EDGE_DFS_BACK flag.
5183 (dump_edge_info): Add dfs_back flag.
5184 * basic-block.h (EDGE_DFS_BACK): New constant.
5185 (mark_dfs_back_edges): Declare.
5186 * alias.c (loop_p): Remove.
5187 (mark_constant_function): Use mark_dfs_back_edges.
5189 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
5190 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
5191 (compensate_edge): Break out from ...
5192 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
5193 (convert_regs_2): Set block_done once block is really done;
5194 Do updating of the predecesors counts.
5196 * toplev.c (rest_of_compilation): Recompute block_for_insn
5197 before post-reload cfg_cleanup.
5198 * function.c (thread_prologue_epilogue_insns):
5199 Call set_block_for_new_insns when emitting prologue directly.
5201 2001-07-30 Andreas Jaeger <aj@suse.de>
5203 * jump.c: Add prototype for mark_modified_reg.
5205 * cse.c (set_live_p): Add unused attribute.
5207 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
5209 (scan_for_source_files): Use long for count to avoid overflow.
5210 (output_data): Likewise.
5211 (output_data): Don't use string concatatenation to silence gcc
5214 * predict.c: Fix typos and grammar.
5216 * gcse.c (insert_insn_end_bb): Remove unused variables.
5218 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
5220 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
5221 (attempt_auto_inc): LIkewise.
5222 (mark_used_reg): Likewise.
5223 (try_pre_increment_1): Likewise.
5224 * regclass.c (regclass): Likewise.
5225 * global.c (allocno_compare): Update comment; change scaling factor.
5226 * local-alloc.c (QTY_CMP_PRI): Likewise.
5227 * regs.h (REG_FREQ_FROM_BB): New.
5228 (REG_FREQ_MAX): Likewise.
5230 2001-07-30 H.J. Lu <hjl@gnu.org>
5232 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
5235 2001-07-30 H.J. Lu (hjl@gnu.org)
5237 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
5238 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5239 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
5241 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
5243 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
5244 as -mthumb-interwork when -mcpu=arm7 is specified.
5246 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5248 * predict.def (noreturn, loop branch, loop exit): Mark as first
5251 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
5253 * combine.c (try_combine): Avoid barrier after noop jumps.
5255 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5257 * cpphash.h (struct cpp_reader): Remove import_warning.
5258 * cpplib.c (skip_rest_of_line): Don't bother turning off
5260 (parse_include): Move include handling to...
5261 (do_include_common): ... here. Move import warning from...
5262 (do_import): ... here.
5263 (do_pragma_poison): Don't do a callback for poison identifiers.
5264 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
5265 * cppmain.c (setup_callbacks): Similarly.
5267 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
5269 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
5270 handle multiple sets.
5271 * except.c (sjlj_mark_call_sites): .... here.
5272 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
5274 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
5276 Suggested by Richard Henderson and Richard Kenner:
5277 * combine.c (recog_for_combine): Use the fake recog
5278 only if instruction does not match.
5279 * rtl.h (NOOP_MOVE_INSN_CODE): New.
5280 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
5282 * combine.c (try_combine): Discover noop jump as direct jump.
5284 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
5286 * df.c (df_rd_global_compute): Add successors to worklist, not
5288 (df_ru_global_compute): Ditto.
5290 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
5292 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
5293 increment REG_N_SETS.
5295 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
5297 * sbitmap.h: New prototype for sbitmap_a_xor_b.
5299 * sbitmap.c (sbitmap_a_xor_b): New function.
5300 ifdef the basic block stuff on IN_GCC.
5302 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5304 * cppexp.c (parse_defined): Always record the macro name.
5305 (lex): Don't worry about identifiers, or special-case
5307 (_cpp_parse_expr): Figure out at the end of the routine
5308 whether we saw a valid !defined() expression.
5309 * cppfiles.c (stack_include_file): Update for mi_valid.
5310 (_cpp_pop_file_buffer): Similarly.
5311 * cpplex.c (_cpp_lex_token): Similarly.
5312 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
5313 mi_if_not_defined, mi_lexed): Remove.
5315 * cpplib.c (do_if): Simplify.
5316 (do_endif, push_conditional, _cpp_handle_directive): Update
5317 for renaming of mi_state to mi_valid.
5319 * cpp.texi: Add index entries for digraphs, and add comment
5320 that C++ refers to them as alternative tokens.
5322 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5324 * basic-block.h (CLEANUP_PRE_LOOP): New.
5325 * except.c (finish_eh_generation): Update call of cleanup_cfg.
5326 * sibcall.c (optimize_sibling_calls): Likewise.
5327 * toplev.c (rest_of_compilation): Likewise.
5328 * flow.c (try_forward_edges): Take argument MODE;
5329 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
5330 (try_optimize_cfg): Update call of try_forward_edges.
5332 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5333 Jan Hubicka <jh@suse.cz>
5335 * (validate_replace_rtx_1): Fix simplification of MINUS.
5337 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
5339 PR preprocessor/3669
5340 * cppinit.c (init_dependency_output): Turn off dump requests
5341 if sending dependencies to stdout.
5343 2001-07-28 Richard Henderson <rth@redhat.com>
5345 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
5348 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
5350 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
5352 2001-07-28 Kazu Hirata <kazu@hxi.com>
5354 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
5355 is VAR_DECL first to prevent an ICE.
5357 2001-07-28 Richard Henderson <rth@redhat.com>
5359 * varasm.c (immed_real_const_1): Don't elide special cases for
5361 (clear_const_double_mem): Clear const_tiny_rtx too.
5363 2001-07-28 Richard Henderson <rth@redhat.com>
5365 * dwarf2out.c (dw_val_class_offset): New.
5366 (struct dw_ranges_struct, dw_ranges_ref): New.
5367 (ranges_table, ranges_table_allocated): New.
5368 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
5369 (add_AT_offset, add_ranges, output_ranges): New.
5370 (print_die, output_die): Handle dw_val_class_offset.
5371 (attr_checksum, size_of_die, value_format): Likewise.
5372 (gen_lexical_block_die): Handle non-contiguous blocks.
5373 (gen_block_die): Likewise.
5374 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
5375 if needed. Dump the ranges table.
5376 * final.c (final_start_function): Remove unnecessary notes and
5377 rebuild the block tree before numbering the blocks.
5378 * function.c (reorder_blocks_0): Walk the existing block tree
5379 to unmark all blocks.
5380 (reorder_blocks_1): Create block fragments when duplicate block
5382 (reorder_fix_fragments): New.
5383 (reorder_blocks): Call it.
5384 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
5386 2001-07-28 Richard Henderson <rth@redhat.com>
5388 * emit-rtl.c (adjust_address): Make a copy of the memory address.
5390 2001-07-28 Richard Henderson <rth@redhat.com>
5392 * flow.c (add_to_mem_set_list): New function.
5393 (init_propagate_block_info): Use it.
5394 (mark_set_1): Likewise.
5395 (insn_dead_p): Canonicalize memory address for dead store
5396 comparison. Allow wider mode stores to kill narrower mode stores.
5397 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
5398 (invalidate_mems_from_set): Don't handle MEMs.
5400 2001-07-28 Kazu Hirata <kazu@hxi.com>
5402 * config/h8300/h8300.h: Fix formatting.
5404 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5406 * basic-block.h (EDGE_FREQUENCY): New macro.
5407 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
5409 * flow.c (find_sub_basic_blocks): Likewise.
5410 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
5411 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
5413 * predict.c (DEF_PREDICTOR): New argument FLAGS.
5414 (HITRATE): New macro.
5415 (PRED_FLAG_FIRST_MATCH): New constant.
5416 (predictor_info): New field flgags.
5417 (combine_predictions_for_insn): Use DS theory to combine
5418 probabilities; set the edge probabilities when finished.
5419 (estimate_probability): Avoid duplicated matches
5420 of LOOP_BRANCH heuristics for nested loops; update comment.
5421 * predict.def: Add flags for each prediction, set probabilities
5422 according to B&L paper.
5423 * predict.h (DEF_PREDICTOR): New argument FLAGS.
5425 * profile.c (compute_branch_probabilities): Cleanup way the edge
5426 probabilities are computed and REG_BR_PROB notes are dropped; if
5427 values does not match, emit error.
5428 (init_branch_prob): Do error instead of warning when profile driven
5429 feedback is missing or corrupt.
5431 2001-07-27 DJ Delorie <dj@redhat.com>
5433 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
5434 against a constant, try to adjust the compare to have the desired
5435 constant in it so that min/max optimizations happen more often.
5437 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5439 * flow.c (last_loop_beg_note): New function.
5440 (redirect_edge_and_branch): Use it.
5441 (split_edge): Likewise.
5443 * alias.c (loop_p): Avoid uninitialized memory access.
5445 * flow.c (try_forward_edges): Avoid accessing freed memory.
5447 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
5450 2001-07-26 Andrew Haley <aph@redhat.com>
5451 Joern Rennecke <amylaar@redhat.com>
5453 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
5454 (SUBTARGET_CPP_ENDIAN_SPEC): New.
5455 (SUBTARGET_CPP_SPEC): New.
5457 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
5458 (SUBTARGET_CPP_PTR_SPEC): New.
5459 (CPP_DEFAULT_CPU_SPEC): New.
5460 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
5461 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5462 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
5463 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5464 (SUBTARGET_CPP_SPEC): Define as an empty string.
5466 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5468 * doc/install.texi (Configuration): Properly link the host
5469 specific instructions also when generating HTML.
5471 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
5473 * flow.c (redirect_edge_and_branch_force): Test
5474 target->global_live_at_start.
5476 2001-07-26 Richard Henderson <rth@redhat.com>
5478 * simplify-rtx.c (avoid_constant_pool_reference): Export.
5479 * rtl.h (avoid_constant_pool_reference): Declare it.
5480 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
5481 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
5483 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5485 * rtl.h (cleanup_barriers): Declare.
5486 * jump.c (cleanup_barriers): New function.
5487 * toplev.c (rest_of_compilation): Call cleanup_barriers
5488 before loop optimizer and after bb_reorder.
5490 * flow.c (back_edge_of_syntactic_loop_p): New.
5491 (split_edge): Use it.
5493 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5495 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
5497 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
5499 * cse.c (cse_process_notes): Replace any registers if the address
5502 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
5504 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
5505 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
5506 (propagate_block): Update prototype.
5507 * flow.c (update_life_info): Simplify the CFG and
5508 recalculate the global regs which are alive when
5509 removing dead code during a global update.
5510 (propagate_block): Return non-zero if an INSN is
5513 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5515 * Makefile.in (LIBICONV): Define.
5517 2001-07-26 Catherine Moore <clm@redhat.com>
5519 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
5520 of conditional to avoid tree checking errors.
5522 2001-07-26 Kazu Hirata <kazu@hxi.com>
5524 * regmove.c (regmove_optimize): Don't replace a reg with
5525 another reg of a different mode.
5527 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
5529 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
5530 limit length of dependancy flush list.
5531 * params.h (MAX_PENDING_LIST_LENGTH): Define.
5532 * sched-int.h (struct deps): Add pending_flush_length field.
5533 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
5534 has 1 element in it.
5535 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
5536 (sched_analyze): After a jump, if the pending memory flush list is too
5537 large, flush the pending lists.
5538 (init_deps): Initialize pending_flush_length to 0.
5539 * doc/invoke.texi (max_pending_list_length): Document parameter.
5541 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
5543 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
5544 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
5545 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
5547 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5549 * cpphash.h (struct_lexer_state): Delete was_skipping.
5550 Move skipping here from struct cpp_reader.
5551 * cpplex.c (parse_identifier): Update.
5552 (_cpp_lex_token): Don't skip tokens in a directive.
5553 * cpplib.c (struct if_stack): Update.
5554 (start_directive, end_directive): Don't change skipping state.
5555 (_cpp_handle_directive): Update.
5556 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
5557 (do_else, do_endif): Update; only check for excess tokens if not
5558 in a skipped conditional block.
5559 (push_conditional): Update for new struct if_stack.
5561 2001-07-26 Graham Stott <grahams@redhat.com>
5563 * function.c (locate_and_pad_parm): Also pad initial offset
5564 so that the total argument size also includes the padding.
5566 2001-07-26 Graham Stott <grahams@redhat.com>
5568 * gensupport.c (alter_output_for_insn): Correct enable checking failure
5569 change XSTR to XTMPL.
5571 (process_one_cond_exec): Likewise
5573 2001-07-25 Richard Henderson <rth@redhat.com>
5575 * varasm.c (assemble_variable): Create DECL_RTL before setting
5578 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
5580 * predict.c (estimate_probability): Avoid duplicated predictions.
5582 * loop.c (find_and_verify_loops): Grok multiple barriers.
5584 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5586 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
5588 * dbxout.c: Consistently use putc instead of fputc.
5589 (print_wide_int): New function; call instead of direct fprintf.
5590 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
5591 (dbxout_type_fields, dbxout_type_method_1): Likewise.
5592 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
5593 (print_int_cst_octal): Likewise.
5594 (print_octal): Show we wrote characters.
5595 (dbxout_type): Set have_used_extensions in more places.
5597 2001-07-25 Catherine Moore <clm@redhat.com>
5599 * config/v850/v850.c (v850_va_arg): Use addr
5600 instead of valist to build incr.
5602 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
5604 * flow.c (delete_dead_jumptables): New function.
5605 (life_analyzis): Call it.
5606 * bb-reorder.c (skip_insns_after_block): Handle contradictory
5609 2001-07-25 Richard Henderson <rth@redhat.com>
5611 * except.c (reachable_handlers): Handle a region being removed
5612 out from under a RESX.
5614 2001-07-25 Richard Henderson <rth@redhat.com>
5616 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
5617 swap GE/GT if it is an fp comparison.
5619 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
5621 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
5624 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
5626 * ssa.c (rename_insn_1): Do not wrap an assignment to a
5627 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
5630 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
5632 (visit_expression): When attempting to simplify an expression,
5633 retrieve any modes for arguments before they are simplified
5636 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
5637 Janis Johnson <janis@us.ibm.com>
5639 * stmt.c (expand_goto): A nonlocal goto can be a call too.
5640 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
5641 pointer parameters to match documented usage of nonlocal_goto.
5642 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
5643 parameters to their correct order.
5644 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
5645 parameters to their correct order.
5647 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
5649 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
5651 2001-07-25 Jan Hubicka <jh@suse.cz>
5652 Richard Henderson <rth@redhat.com>
5654 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
5656 (make_edges): New argument update_p; populate the edge cache if set.
5657 (find_basic_blocks): Update make_edges invocation.
5659 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5661 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
5663 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5665 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
5666 -Acpu and -Amachine.h.
5667 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
5668 Corrected header to say ELF not a.out.
5669 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
5670 when given -msoft-float.
5672 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5674 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
5675 extra multilib parts like arm-elf.
5676 (i960-*-coff*, i960-*-rtems): Should not use collect2.
5677 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
5678 crtfini.o as extra multilib parts.
5680 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5682 * configure.in: Add rtems as a supported thread model.
5683 * gthr-rtems.h: Add missing entry point __gthread_active_p.
5684 * configure: Rebuilt.
5686 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
5688 * stor-layout.c (get_mode_alignment): make it work when
5689 BITS_PER_UNIT is not a power of two.
5690 * builtins.c (get_pointer_alignment): Likewise.
5692 2001-07-24 Richard Henderson <rth@redhat.com>
5694 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
5695 the retrieved constant into the expected mode.
5697 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5699 * flow.c (try_simplify_condjump): Avoid duplicated edges.
5700 (verify_flow_info): Check for duplicated edges; clarify
5703 * flow.c (block_label): Update basic_block_for_insn.
5704 (commit_edge_insertions): Call compute_bb_for_insn.
5706 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
5709 * flow.c (redirect_edge_and_branch,
5710 try_optimize_cfg): Use redirect_edge_succ_nodup
5711 (redirect_edge_succ_nodup): New.
5712 * basic_block.h (redirect_edge_succ_nodup): Declare.
5714 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
5717 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
5719 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
5720 (try_crossjump_to_edge): Update commetns.
5721 (try_crossjump_bb): Likewise.
5723 2001-07-24 Richard Henderson <rth@redhat.com>
5725 * combine.c (distribute_notes): Move set of need_refresh
5726 for noop_move_p down to catch all cases.
5728 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
5730 * recog.c (split_all_insns_noflow): New.
5731 * rtl.h (split_all_insns_noflow): Declare.
5732 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
5733 * m68hc11.c (m68hc11_reorg): Likewise.
5734 * sh.c (machine_dependent_reorg): Likewise.
5735 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
5738 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
5740 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
5741 (ashlsi3_n splitter): Likewise.
5742 (lshrsi3_n splitter): Likewise.
5744 (GOTaddr2picreg): Make const SImode.
5745 (sym_label2reg): Likewise.
5746 (symGOT2reg): Likewise.
5747 (symGOTOFF2reg) Likewise.
5749 (casesi_worker_0): Make unspec SImode.
5751 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
5753 * config/sh/sh.c (barrier_align): Check that an operand really is
5754 an insn before extracting its INSN_CODE.
5756 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
5758 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
5761 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
5762 for SImode to prevent overflow.
5764 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5766 * config/mips/irix6-libc-compat.c: New file.
5767 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
5768 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
5771 2001-07-24 lars brinkhoff <lars@nocrew.org>
5773 * rtl.texi (REG_POINTER): Document.
5774 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
5775 QFmode, HFmode, TQFmode, QCmode, and HCmode.
5777 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5779 * flow.c (delete_noop_moves): Do not confuse libcall regions.
5781 2001-07-23 Richard Henderson <rth@redhat.com>
5783 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
5785 2001-07-23 Kazu Hirata <kazu@hxi.com>
5787 * config/h8300/h8300-protos.h: Add a prototype for
5788 general_operand_dst_push.
5789 * config/h8300/h8300.c (general_operand_dst_push): New.
5790 * config/h8300/h8300.h (OK_FOR_T): New.
5791 (EXTRA_CONSTRAINT): Use it.
5792 * config/h8300/h8300.md (movqi_push): Remove and integrate into
5793 the existing movqi pattern.
5794 (movhi_push): Likewise.
5796 * reload.c: Fix comment typos.
5798 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
5800 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
5802 2001-07-23 H.J. Lu (hjl@gnu.org)
5804 * doc/extend.texi: Update __builtin_return_address and
5805 __builtin_frame_address.
5807 2001-07-23 Richard Henderson <rth@redhat.com>
5809 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
5811 * config/i386/i386.md: New setcc+movzbl peephole2.
5813 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5815 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
5816 * objc/objc-act.c: Include debug.h.
5817 (synth_module_prologue): Save and restore debug hooks too.
5819 2001-07-23 lars brinkhoff <lars@nocrew.org>
5821 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
5822 and C4X_FLOAT_FORMAT.
5823 (BOOL_TYPE_SIZE): Document.
5825 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
5827 * unroll.c (loop_iterations): Fix miscalculation of initial
5830 2001-07-13 Andrew Haley <aph@redhat.com>
5832 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
5833 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
5834 * config/sh/sh.c (sh_can_redirect_branch): New function.
5835 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
5836 * reorg.c (steal_delay_list_from_target): Use
5837 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
5839 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5841 * flow.c (try_simplify_condjump): Unlink insn chain on
5842 fallthru edge; use can_fallthru.
5844 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
5846 * basic-block.h (find_sub_basic_block): Declare.
5847 * flow.c (make_edges): New arguments MIN and MAX;
5848 (find_sub_basic_blocks): Revamp to use make_edges
5849 and purge_dead_edges.
5850 (find_basic_blocks): Update call of find_sub_basic_block.
5852 * recog.c (split_all_insns): Always expect CFG to be consistent;
5853 call find_sub_basic_blocks in case something has changed.
5854 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
5857 * basic-block.h (delete_noop_moves): Declare.
5858 * combine.c (combine_instructions): Call it.
5859 (recog_for_combine): Tolerate noop moves
5860 (distribute_notes): Force refresh when register dies at noop move.
5861 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
5863 (life_analysis): Update delete_noop_moves call.
5864 (set_noop_p): Move too ...
5865 * rtlanal.c (noop_move_p): ... here.
5866 * rtl.h (noop_move_p): Declare.
5868 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
5869 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
5871 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
5872 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
5874 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
5876 * reload.c (push_reload): Fix typo in comment.
5877 (find_reloads_address): Ditto.
5878 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
5880 2001-07-22 Richard Henderson <rth@redhat.com>
5882 * flow.c: Grammar check and clarify a lot of comments.
5883 (try_simplify_condjump): Rename variables to be clearer.
5884 (try_forward_edges): Skip complex and fallthru edges.
5885 Rearrange tests to avoid duplicate checks.
5886 (flow_find_cross_jump): Likewise.
5887 (outgoing_edges_match): Allow match if neither branch has
5888 probability data. Loosen probability match to 5%.
5889 (try_crossjump_to_edge): Hoist repeated indirection into
5891 (try_crossjump_bb): Don't check complex edges. Eliminate
5892 redundant crossjump tests.
5893 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
5894 checks before more expensive checks.
5896 2001-07-22 Richard Henderson <rth@redhat.com>
5898 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
5899 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
5902 2001-07-22 Richard Henderson <rth@redhat.com>
5904 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
5905 (const_sint32_operand): Likewise.
5906 * m68k.md (anon mulsi pattern): Use const_int_operand not
5907 const_sint32_operand.
5908 (umulsi3_highpart): Zero extend a constant input.
5909 (smulsi3_highpart): Don't bother checking SImode constant.
5910 (const_umulsi3_highpart): Give op3 DImode.
5911 (const_smulsi3_highpart): Likewise.
5913 2001-07-22 Richard Henderson <rth@redhat.com>
5915 * flow.c (split_block): Make sure bb_note is included in the
5916 new block when splitting before a label.
5918 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5920 * basic-block.h (redirect_edge_and_branch_force,
5921 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
5922 * flow.c (redirect_edge_and_branch_force,
5923 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
5924 (redirect_edge_and_branch_force): Fix copying of lifeness information.
5925 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
5926 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
5927 instead of label; update CFG after transformation.
5928 (find_if_case_1): Update call, use redirect_edge_and_branch_force
5929 for finishing the transformation; handle even case where ELSE
5930 does not follow THEN.
5931 (find_if_case_2): Update call of dead_or_predictable; simplify
5934 * emit-rtl.c (split_branch_probability): New global variable.
5935 (try_split): Take care to set split_branch_probability and
5936 create REG_BR_PROB note for new jump insns.
5937 * md.texi (define_split): Document new feature.
5939 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
5941 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
5943 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
5944 (asm_out_file): Remove redundant declaration.
5945 (assemble_asm): Remove old #if 0 block.
5946 (assemble_variable): Remove end of function; debug output is
5947 now handled with global_decl. Remove old #if 0 block. Update.
5948 Remove saved_in_section and associated no-op code.
5949 * Makefile.in (varasm.o): Correct dependencies.
5951 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
5953 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5954 the definition in defaults.h.
5956 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
5958 * jump.c: Update comments.
5959 (delete_barrier_successors, delete_unreferenced_labels,
5960 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
5961 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
5962 jump_optimize, jump_optimize_minimal): Kill.
5963 (rebuild_jump_labels): Move code from jump_optimize_1.
5964 (purge_line_number_notes): Likewise.
5965 (copy_loop_headers): Likewise.
5966 * reg-stack.c: Update comment.
5968 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
5969 JUMP_AFTER_REGSCAN): Kill.
5970 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
5971 purge_line_number_notes and copy_loop_headers.
5973 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
5974 Richard Henderson <rth@redhat.com>
5976 * dbxout.c (dbxout_global_decl): New.
5977 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
5978 * sdbout.c (sdbout_finish): New.
5979 (sdbout_debug_hooks): Use it, add comments.
5980 (sdbout_global_decl): Defer initialised public vars to
5982 * varasm.c (assemble_variable): Don't output debug information
5983 for file-scope variables.
5985 2001-07-22 Richard Henderson <rth@redhat.com>
5987 * config/alpha/alpha.c (get_trap_mode_suffix): New.
5988 (get_round_mode_suffix): New.
5989 (print_operand): Use them for [/]. Remove support for [&'`()+].
5990 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
5991 * config/alpha/alpha.md (attr round_suffix): New.
5992 (attr trap_suffix): New.
5993 (all insns): Set them appropriately. Use %/ instead of the
5996 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5998 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
6000 2001-07-22 Richard Henderson <rth@redhat.com>
6002 * regrename.c (regrename_optimize): Compute nregs for each
6003 potential target register.
6005 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
6006 Richard Henderson <rth@redhat.com>
6008 * dbxout.c (dbxout_global_decl): New.
6009 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6010 * sdbout.c (sdbout_finish): New.
6011 (sdbout_debug_hooks): Use it, add comments.
6012 (sdbout_global_decl): Defer initialised public vars to
6014 * varasm.c (assemble_variable): Don't output debug information
6015 for file-scope variables.
6017 2001-07-21 H.J. Lu (hjl@gnu.org)
6019 * config/mips/mips.c (mips_cpu): Moved into ...
6020 (override_options): Here.
6022 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
6024 (mips_cpu): Removed.
6026 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6028 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
6029 ("iorqi3"): Likewise.
6030 ("xorqi3"): Likewise.
6031 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
6032 ("*subhi3_sp): Likewise.
6033 ("*subhi3"): Likewise.
6034 ("extendhisi2"): Accept D, X and Y as source operand to avoid
6037 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
6039 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
6040 * config/freebsd.h: Likewise.
6041 * config/linux.h: Likewise.
6042 * config/openbsd.h: Likewise.
6043 * config/alpha/linux-elf.h: Likewise.
6044 * config/arm/linux-elf.h: Likewise.
6045 * config/d30v/d30v.h: Likewise.
6046 * config/fr30/fr30.h: Likewise.
6047 * config/ia64/aix.h: Likewise.
6048 * config/ia64/ia64.h: Likewise.
6049 * config/mips/linux.h: Likewise.
6050 * config/pj/pj.h: Likewise.
6051 * config/rs6000/linux.h: Likewise.
6052 * config/sparc/linux.h: Likewise.
6053 * config/sparc/linux64.h: Likewise.
6055 2001-07-20 Bruce Korb <bkorb@gnu.org>
6057 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
6058 because getc() and char* may disagree on signedness.
6060 2001-07-20 Richard Henderson <rth@redhat.com>
6062 * doc/rtl.texi (REG_DEAD): Update for current semantics.
6064 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
6065 insns to delete in the presence of cc0 in a jump insn.
6067 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6068 Jan Hubicka <jh@suse.cz>
6070 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
6071 of doing the change by hand.
6073 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6075 * rtlanal.c (set_noop_p): Return true for noop jumps.
6077 * expr.c (emit_single_push_insn): Add call to push expander.
6078 * expr.h (optab_index): Add OTI_push
6079 (push_optab): New constant.
6080 * genopinit.c (optabs): Add push_optab.
6081 * optabs.c (init_optab): Init push optab.
6082 * md.texi (push??1): Document
6084 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6086 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
6087 expand to emit the pattern; put a REG_INC note for push/pop
6089 ("movdf", "movdf_internal"): Likewise.
6090 ("movsi", "movsi_internal"): Likewise.
6091 ("movsf", "movsf_internal"): Likewise.
6092 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
6094 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6096 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
6099 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
6101 * params.def: Change default max inline insns to 100.
6103 2001-07-20 Diego Novillo <dnovillo@redhat.com>
6105 * combine.c (combine_simplify_rtx): Generate a new shift operation
6106 when simplifying the first operand of a (neg (ashift)) expression.
6108 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6110 * regclass.c (N_REG_INTS): Use only 32 bits per element.
6112 2001-07-20 Kelley Cook <kelley.cook@home.com>
6114 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
6115 information. Move rest into ...
6116 (*-*-solaris): ... here. Eliminate redundant information and
6117 reword necessary packages section. Delete 4.x assembler bug info.
6118 (sparc-sun-*): Merge into ...
6119 (sparc-sun-sunos*): here.
6121 2001-07-20 Catherine Moore <clm@redhat.com>
6123 * config/v850/v850.md (casesi): Generate LABEL_REF
6126 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
6128 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
6129 * i386.c (ix86_zero_extend_to_Pmode): Make global.
6130 * i386.md (strclrsi expander): Use it.
6132 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6134 * integrate.c (copy_insn_list): handle
6135 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
6136 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
6137 identically as to CODE_LABEL.
6139 * fold-const (fold): Convert A/B/C to A/(B*C) and
6142 * except.c (connect_post_landing_pads): Delete the RESX insns.
6144 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
6146 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
6148 * config/mips/mips.md (nmadd/nmsub): Use macro.
6150 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
6152 * cppinit.c (remove_dup_dir): Make static.
6153 (remove_dup_dirs): Make static. Only warn about preempting a
6154 system directory with a non-system directory.
6156 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6158 * ifcvt.c (noce_try_store_flag_constants): Correct order
6159 of parameters to trunc_int_for_mode.
6161 2001-07-19 Mark Mitchell <mark@codesourcery.com>
6163 * reorg.c (fill_simple_delay_slots): If an instruction might throw
6164 an exception that will be caught within this function, do not fill
6165 its delay slot with any subsequent instruction.
6167 2001-07-19 Steve Ellcey <sje@cup.hp.com>
6169 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
6170 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
6171 pointer extension instruction.
6172 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
6173 * simplify-rtx.c (simplify_unary_operation) Likewise.
6174 * explow.c (convert_memory_address) Check value of
6175 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
6177 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
6178 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
6179 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
6180 Add Multilib Support.
6181 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
6182 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
6183 Add Multilib Support.
6184 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
6186 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
6187 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
6188 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
6190 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
6192 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
6193 old and new operands in `<', `3' and `b'.
6195 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6197 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
6198 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
6199 (toplev.o): Don't depend on xcoffout.h.
6200 * c-decl.c: Include debug.h
6201 (duplicate_decls): Use debug hook.
6202 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
6203 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6204 (dbxout_types): Remove.
6205 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
6206 * debug.c (do_nothing_debug_hooks): Update.
6207 (debug_true_tree, debug_nothing_rtx): New.
6208 * debug.h (struct rtx_def): New.
6209 (struct gcc_debug_hooks): New hooks ignore_block,
6210 outlining_inline_function and label.
6211 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
6212 dwarf2out_frame_finish): New.
6213 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
6214 Make static, update prototype.
6215 (dwarf2_debug_hooks): Update.
6216 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
6217 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
6218 * dwarfout.c (dwarf_debug_hooks): Update.
6219 * emit-rtl.c: Include debug.h.
6220 (remove_unnecessary_notes): Use debug hook.
6221 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
6222 (final_scan_insn): Use debug hook.
6223 * integrate.c (output_inline_function): Use debug hook.
6224 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
6225 (sdb_debug_hooks): Update.
6226 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
6227 * toplev.c: Don't include xcoffout.h.
6228 (note_outlining_of_inline_function, debug_ignore_block): Remove.
6229 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
6231 * tree.h (dwarf2out_do_frame): Remove.
6233 2001-07-19 Catherine Moore <clm@cygnus.com>
6235 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
6237 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6239 * reload1.c (eliminate_regs_in_insn): When updating a set
6240 to the frame pointer to the hardware frame pointer, perform
6241 the update always not just when REPLACE is set.
6243 * reload1.c (choose_reload_regs): Don't inherit a reload
6244 that crosses multiple registers if registers past the first
6245 don't fit in the desired class.
6247 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
6248 when negating constants.
6250 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
6252 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
6253 * doc/tree.texi: Ditto.
6255 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
6256 Jakub Jelinek <jakub@redhat.com>
6258 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
6259 (extract_cie_info): Handle "eh" augmentation properly,
6261 (struct frame_state, __frame_state_for): New.
6263 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6265 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
6266 HANDLE_SYSV_PRAGMA): Define.
6267 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
6269 (copy_object): Caller changed.
6271 2001-07-19 Andreas Schwab <schwab@suse.de>
6273 * configure.in (assembler dwarf2 debug_line support): Define nop
6275 * configure: Regenerated.
6277 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6279 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
6281 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
6282 to conditionally compiled block.
6283 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6284 * dbxout.h (dbxout_function): Remove.
6285 * debug.c (do_nothing_debug_hooks): Update.
6286 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
6287 global_decl, deferred_inline_function.
6288 * dwarf2out.c (dwarf2_debug_hooks): Update.
6289 (dwarf2out_global_decl): New.
6290 * dwarfout.c: Don't include dwarfout.h.
6291 (dwarfout_global_decl, dwarfout_function_decl,
6292 dwarfout_deferred_inline_function): New.
6293 (dwarf_debug_hooks): Update.
6294 * dwarfout.h: Remove.
6295 * final.c: Don't include dwarfout.h.
6296 * sdbout.c (sdbout_global_decl): New.
6297 (sdbout_debug_hooks): Update.
6298 * toplev.c: Don't include dwarfout.h.
6299 (check_global_declarations, rest_of_compilation): Use new debug hooks.
6300 (note_deferral_of_defined_inline_function): Remove.
6301 * toplev.h (note_deferral_of_defined_inline_function): Remove.
6302 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
6303 * ch/lex.c: Don't include dwarfout.h.
6304 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
6305 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
6306 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
6307 * cp/optimize.c: Include debug.h.
6308 (maybe_clone_body): Use debug hook.
6309 * cp/semantics.c: Include debug.h.
6310 (expand_body): Use debug hook.
6311 * po/POTFILES.in: Remove dwarfout.h.
6313 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6315 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
6316 * c-parse.in (yyerror, _yylex): Similarly.
6317 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
6318 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
6320 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
6321 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
6323 2001-07-18 Jeff Sturm <jsturm@one-point.com>
6325 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
6326 in-class declaration at -g1. Fixes c++/2814.
6328 2001-07-18 Richard Henderson <rth@redhat.com>
6330 * doc/md.texi (reload_in/out): Document restrictions in predicates
6331 and constraints for these patterns. Document empty string matching
6334 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6336 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
6338 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6340 * cse.c: Undo my previous patch.
6342 2001-07-18 Tom Tromey <tromey@redhat.com>
6345 * configure: Rebuilt.
6346 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
6348 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
6350 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
6351 Jan Hubicka <jh@suse.cz>
6353 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
6354 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
6355 * jump.c (mark_jump_label): Do not forward branches.
6357 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
6359 * cse.c (delete_trivially_dead_insns): Delete the libcall block
6360 when return value is unused.
6362 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6364 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
6366 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
6368 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
6369 on error. We can't blindly return the result of
6370 pthread_mutex_trylock because it returns a positive number on
6371 error, while we must return -1 on error.
6372 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
6374 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
6376 2001-07-18 Andreas Jaeger <aj@suse.de>
6378 * integrate.c (output_inline_function): Correct type of debug_hooks.
6380 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
6382 * combine.c (combine_simplify_rtx): DIV can be treated
6383 associatively for floats if unsafe math optimisations are enabled.
6385 2001-07-17 Richard Henderson <rth@redhat.com>
6387 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
6389 2001-07-17 Richard Henderson <rth@redhat.com>
6391 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
6392 don't force the function address into a register.
6393 (expand_call, emit_library_call_value_1): Update callers.
6394 * builtins.c (expand_builtin_apply): Likewise.
6395 * expr.h (prepare_call_address): Update decl.
6397 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
6399 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
6401 * config/i386/chorus.h: Move up.
6402 * config/sparc/chorus.h: Likewise.
6403 * config/rs6000/chorus.h: Likewise.
6404 * config/chorus.h: Moved here.
6406 2001-07-17 Andreas Schwab <schwab@suse.de>
6408 * configure.in (assembler eh_frame optimization): Handle big
6410 * configure: Regenerated.
6412 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
6414 * expr.c (epxand_expr): Convert divisions into multiplications by
6415 reciprocals if -ffast-math.
6417 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
6419 * dbxout.c (dbxout_really_begin_function): Rename to
6420 dbxout_begin_function.
6421 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6422 (dbxout_begin_function): Remove.
6423 (dbxout_function): Update.
6424 (dbxout_source_line): Update prototype.
6425 * dbxout.h (dbxout_begin_function): Remove.
6426 * debug.c (do_nothing_debug_hooks): Update.
6427 (debug_nothing_tree): Update.
6428 (debug_nothing_charstar_rtx): Remove.
6429 * debug.h (union tree_node): Declare.
6430 (struct rtx_def): Remove.
6431 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
6432 begin_function. Change source_line prototype.
6433 (debug_nothing_tree): New.
6434 (debug_nothing_charstar_rtx): Delete.
6435 (dwarf2out_begin_prologue): Moved from ...
6437 * dwarf2out.c (dwarf2_debug_hooks): Update.
6438 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
6439 debug info, call dwarf2out_source_line.
6440 (dwarf2out_souce_line): Update prototype.
6441 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
6442 Change prototype, make static.
6443 (dwarfout_source_line): Update prototype.
6444 (dwarf_debug_hooks): Update.
6445 * dwarfout.h (dwarfout_begin_function): Remove.
6446 * final.c (final_start_function, final_scan_insn): Use appropriate
6447 debug hooks, update to use notice_source_line.
6448 (output_source_line): Rename notice_source_line. Don't call the
6449 source_line debug hook.
6450 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
6451 make static, update prototype.
6452 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
6454 (sdbout_end_prologue): New.
6455 (sdbout_source_line): Update prototype.
6456 (sdbout_debug_hooks): Update.
6457 (sdbout_symbol): Remove unused var.
6458 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
6460 * varasm.c: Include debug.h.
6461 (assemble_start_function): Use begin_function debug_hook.
6462 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6463 update with prototype.
6464 (xcoffout_source_line): Update prototype.
6465 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6467 (xcoffout_source_line): Update prototype.
6469 2001-07-17 Richard Henderson <rth@redhat.com>
6471 * c-typeck.c (build_binary_op): Do not shorten unsigned
6472 right shift after sign extension.
6474 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
6476 * combine.c (combine_simplify_rtx): Attempt to simplify
6477 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
6479 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
6480 (simplify_binary_operation, simplify_unary_operation,
6481 simplify_relational_operation): Use it.
6483 * combine.c (combine_simplify_rtx): Don't do associative law
6484 on divisions; allow associative law on floats.
6486 2001-07-17 H.J. Lu <hjl@gnu.org>
6487 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6489 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
6490 ASM_OUTPUT_WEAK_ALIAS are defined.
6491 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
6492 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
6494 * config/mips/iris5.h: ... here.
6495 (HANDLE_SYSV_PRAGMA): Defined as 1.
6496 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
6497 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
6500 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
6502 * c-parse.in (all_prefix_attributes): New variable.
6503 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
6504 (maybe_resetattrs): New production.
6505 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
6506 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
6507 notype_initdcl, nested_function, notype_nested_function,
6508 component_decl, components, components_notype,
6509 component_declarator, component_notype_declarator,
6510 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
6511 ivars, mydecl, myparm): Update. Avoid prefix attributes just
6512 after a comma being applied to more than one declarator.
6513 * doc/extend.texi (Attribute Syntax): Update. Remove
6514 documentation of bugs that are no longer present.
6516 2001-07-13 Eric Christopher <echristo@redhat.com>
6518 * config/mips/mips.h: Change TUNE_MIPS* options to use
6520 (EXTRA_SPECS): Add cc1_cpu_spec.
6521 * config/mips/mips.md (muldf3): Fix typo.
6523 2001-07-16 Richard Henderson <rth@redhat.com>
6525 * config/m68k/m68k.c: Include expr.h and reload.h.
6526 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
6527 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
6529 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6530 Richard Henderson <rth@redhat.com>
6532 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
6533 (insn_live_p): Fix fall off end of function.
6534 (dead_libcall_p): Remove COUNTS argument; update callers.
6535 (delete_trivially_dead_insns): Remove unused variables.
6537 2001-07-17 Andreas Jaeger <aj@suse.de>
6539 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
6542 * lcm.c (optimize_mode_switching): Avoid warning for unused
6543 variable if !NORMAL_MODE.
6545 * flow.c (try_crossjump_to_edge): Remove unused variable.
6547 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
6549 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
6550 atexit declaration in stdlib.h.
6552 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
6554 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
6556 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6558 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
6559 * except.c (finish_eh_generation): Update call of cleanup_cfg;
6560 do rebuild_jump_labels instead of jump_optimize
6561 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
6562 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
6563 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
6565 * flow.c: Include timevar.h
6566 (find_basic_block): Push/pop timevar;
6567 (cleanup_cfg): Likewise.
6568 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
6569 * Makefile: Add dependencies on timevar.h
6571 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
6572 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
6574 * rtl.h (delete_trivially_dead_insns): Add new parameter.
6575 * toplev.c (rest_of_compilation): Update calls.
6576 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
6577 (delete_trivially_dead_insns): ... here; accept new argument
6578 preserve_basic_blocks; preserve basic blocks if set.
6580 * reg-stack.c (stack_regs_mentioned): Return 0 if
6581 stack_regs_mentioned_data is not initialized.
6582 (reg_to_stack): Make stack_regs_mentioned survive after the
6583 reg-stack is completted; do not call cleanup_cfg.
6584 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
6585 make cleanup_cfg after bb-reorder to output to debug file.
6587 2001-07-16 Richard Henderson <rth@redhat.com>
6589 * regclass.c (init_reg_sets): Use only 32 bits per initializer
6590 from int_reg_class_contents.
6592 2001-07-16 Richard Henderson <rth@redhat.com>
6594 * hard-reg-set.h (regs_invalidated_by_call): Declare.
6595 * regclass.c (regs_invalidated_by_call): Move from cse.c.
6596 (init_reg_sets_1): Move initialization from cse_main.
6597 * cse.c (regs_invalidated_by_call): Move to regclass.c.
6598 (cse_main): Move its initialization also.
6599 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
6600 * flow.c (propagate_one_insn): Likewise.
6601 * gcse.c (compute_hash_table): Likewise.
6602 (compute_kill_rd, compute_store_table): Likewise.
6603 * sched-deps.c (sched_analyze_1): Likewise.
6605 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
6607 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
6610 2001-07-16 Steve Ellcey <sje@cup.hp.com>
6612 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
6613 in if statement so we don't access undefined memory.
6615 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6617 * gcse.c: Update comment at top.
6618 Update comment on mem handling.
6619 mem_last_set, mem_first_set, mem_set_in_block: gone.
6620 Declaration of reg_set_info: gone.
6621 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
6622 pointless with load_killed_in_block_p (they are *more*
6623 conservative then it, not less, and less accurate).
6624 (oprs_not_set_p): Ditto.
6625 (alloc_gcse_mem): Don't allocate mem_set_in_block
6626 (free_gcse_mem): Don't free it, either.
6627 (record_last_mem_set_info): Update comment in front, remove
6628 mem_*set_* stuff. Note the reason we don't handle stores directly
6630 (compute_hash_table): Update comments to reflect reality. Remove
6631 mem_*set_* references.
6632 (reset_opr_set_tables): Remove mem_*set_* references.
6634 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
6635 (mark_clobber): Ditto (on both parts, we double set here too).
6636 (expr_killed_p): Remove mem_set_in_block test.
6637 (compute_transp): Remove mem_set_in_block test.
6639 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
6640 of edge, and removal of phi alternative to dump file.
6641 (ssa_ccp_substitute_constants): Add note about register now being
6642 constant, and which uses were replaced in what insns to dump file.
6644 2001-07-16 Andreas Jaeger <aj@suse.de>
6646 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
6647 variables of type HOST_WIDEST_INT.
6649 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
6650 (__bb_exit_func): Correct type of count_max to avoid overflow.
6651 (num_digits): Handle long long argument.
6653 * combine.c (gen_lowpart_for_combine): Remove unused variable.
6655 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6657 * output.h (sdb_begin_function_line): Restore as an extern
6659 * sdbout.c (sdb_begin_function_line): Make extern.
6661 2001-07-15 Richard Henderson <rth@redhat.com>
6663 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
6664 * genrecog.c (maybe_both_true_mode): New.
6665 (maybe_both_true_2): Use it.
6666 (write_switch): Don't put Pmode in a switch.
6667 * rtl.c (mode arrays): Don't explicitly size them.
6669 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6671 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
6672 handling; move unconditional splitting before mode switching.
6674 * i386.md (type): Add fistp type.
6675 (i387, length_attr, scheduling definitions): Handle this type.
6676 (fix_trunc?f?i2): Revamp to use mode switching.
6677 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
6678 * i386.h (fp_cw_mode): New enum
6679 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
6680 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
6682 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6684 * Makefile.in (integrate.o): Add debug.h.
6685 * integrate.c (debug.h): Add.
6686 (output_inline_function): Save, reset, and restore debug_hooks.
6688 2001-07-15 Richard Henderson <rth@redhat.com>
6690 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
6691 instead of COMPARE for the EQUIV expression.
6693 2001-07-15 Richard Henderson <rth@redhat.com>
6695 * flow.c (redirect_edge_and_branch_force): Initialize
6696 global_live_at_start and global_live_at_end.
6697 (allocate_bb_life_data): Export.
6698 * basic-block.h (allocate_bb_life_data): Declare.
6699 * toplev.c (rest_of_compilation): Call it.
6701 2001-07-15 Richard Henderson <rth@redhat.com>
6703 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
6704 (alpha_tablejump_best_label): New.
6705 * config/alpha/alpha-protos.h: Declare them.
6706 * config/alpha/alpha.md: Use braced strings for code blocks.
6707 (tablejump_osf): Break out add with r29.
6708 (tablejump_osf_internal): Remove.
6709 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
6710 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
6712 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
6714 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
6717 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
6719 * i386-protos.h (ix86_split_fp_branch): Update prototype.
6720 (ix86_fp_jump_nontrivial_p): New.
6721 * i386.md (fp_jcc_?): Update call of split_fp_branch;
6722 use ix86_fp_jump_nontrivial_p.
6723 * i386.c (ix86_fp_jump_nontrivial_p): New.
6724 (ix86_split_fp_branch): Accept code instead of rtx.
6725 (ix86_expand_compare): Expand comparison early in case
6726 doing so is resonably cheap.
6728 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
6730 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
6732 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
6733 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
6735 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
6737 * dbxout.c (dbxout_source_line): Make static, update prototype.
6738 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
6739 (dbxout_init, dbxout_finish, dbxout_source_line,
6740 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
6741 * dbxout.h (dbxout_source_line): Delete.
6742 * debug.c (debug_nothing_file, debug_nothing_file_int,
6743 debug_nothing_file_charstar_rtx): New.
6744 (do_nothing_debug_hooks): Update.
6745 (debug_nothing_void, debug_nothing_charstar_rtx,
6746 dwarf2out_end_epilogue): New.
6747 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
6748 * debug.h (struct rtx_def): Declare.
6749 (gcc_debug_hooks): New hooks source_line, end_epilogue
6751 (debug_nothing_void, debug_nothing_charstar_rtx,
6752 dwarf2out_end_epilogue): New.
6753 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
6754 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
6755 (dwarf2_debug_hooks): Update.
6756 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
6757 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
6758 * dwarf2out.h (dwarf2out_source_line): Remove.
6759 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
6760 Make static, update prototype.
6761 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
6762 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
6763 (dwarf_debug_hooks): Update.
6764 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
6765 dwarfout_end_function): Remove.
6766 * final.c (profile_function): Use debug hooks for ending functions
6768 (output_source_line, final_end_function): Update prototype,
6770 (final_start_function, final_scan_insn): Update.
6771 * output.h (sdb_begin_function_line): Remove.
6772 (final_end_function): Update prototype.
6773 * sdbout.c (sdb_begin_function_line): Make static.
6774 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
6775 (sdbout_source_line): New.
6776 (sdbout_end_epilogue, sdbout_end_function): Make static, update
6778 (sdb_debug_hooks): Update.
6779 (sdbout_init, sdbout_source_line,
6780 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
6781 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
6782 * toplev.c (compile_file, rest_of_compilation): Update.
6783 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
6784 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
6785 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
6786 Update for prototype changes.
6787 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
6788 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
6790 2001-07-15 Richard Henderson <rth@redhat.com>
6792 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
6793 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
6794 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
6795 * config/alpha/alpha.c: Likewise.
6796 * config/alpha/alpha.md: Likewise.
6797 * config/alpha/alpha32.h: Likewise.
6798 * config/alpha/vms.h: Likewise.
6801 2001-07-14 Richard Henderson <rth@redhat.com>
6803 * config/alpha/alpha.md: Use define_constants for unspec values.
6804 Substitute throughout.
6806 2001-07-14 Tim Josling <tej@melbpc.org.au>
6808 * tree.def (EXPON_EXPR) remove. Never supported anyway.
6810 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
6812 * pa.md: Remove unused constraints from define_split's.
6814 2001-04-14 Richard Henderson <rth@redhat.com>
6816 * ifcvt.c (find_cond_trap): Test for exit block.
6818 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
6820 Re-install recently reverted patch.
6821 * emit-rtl.c (try_split): Update mark_jump_label call.
6822 * flow.c (find_sub_basic_blocks): Likewise.
6823 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
6825 (mark_all_labels): Kill second parameter.
6826 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
6827 (rebuild_jump_labels, jump_optimize_minimal): Update call
6829 (jump_optimize_1): Kill crossjumping code.
6830 (mark_jump_label): Kill cross_jump parameter.
6831 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
6832 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
6833 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
6835 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
6837 (dump_file_info): Likewise.
6838 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
6839 reorganize passes to do reg-stack first, bb-reorder second.
6840 * invoke.texi (-d letters doc): Remove the jump2 pass.
6842 2001-07-14 Richard Henderson <rth@redhat.com>
6844 * ifcvt.c (find_cond_trap): New.
6845 (find_if_header): Call it.
6846 (merge_if_block): Relax existing jump sanity check.
6847 * jump.c (jump_optimize_1): Remove conditional trap handling.
6849 2001-07-14 Alan Modra <amodra@bigpond.net.au>
6851 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
6853 (insn_refs_are_delayed): Correct comment.
6854 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
6855 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
6856 instead of r31. Make associated insn !TARGET_64BIT, and
6857 provide an additional 64-bit insn that clobbers r2.
6859 (udivsi3): Likewise.
6861 (umodsi3): Likewise.
6863 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
6865 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
6867 * flow.c (redirect_edge_and_branch_force, split_edge,
6868 try_crossjump_to_edge): Use set_block_for_new_insns.
6869 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
6871 2001-07-13 H.J. Lu (hjl@gnu.org)
6873 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
6876 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
6878 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
6880 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
6882 * c-common.c (decl_attributes): Take a pointer to the node to
6883 which attributes are to be attached, and a flags argument.
6884 * c-common.h (enum attribute_flags): New.
6885 (decl_attributes): Update prototype.
6886 * c-decl.c (start_decl, push_parm_decl, finish_struct,
6887 finish_enum, start_function): Update calls to decl_attributes.
6888 * c-parse.in (component_declarator, component_notype_declarator,
6889 label): Update calls to decl_attributes.
6891 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
6893 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
6894 * config/avr/avr.c (legitimate_address_p): Return value changed
6895 from letter to register classes. For better debugging.
6897 2001-07-13 Kazu Hirata <kazu@hxi.com>
6899 * jump.c (reversed_comparison_code_parts): Fix comment typos.
6901 2001-07-13 H.J. Lu (hjl@gnu.org)
6903 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
6905 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
6907 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
6908 correctly for shared configurations.
6909 * config/t-libgcc-pic: New.
6910 * config/{i386,m68k,sparc}/t-openbsd: New.
6911 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
6912 Support -shared. Support debugging libraries with -g.
6913 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
6914 frame information does not emit pointer diffs.
6915 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
6918 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
6920 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
6922 2001-07-13 David Edelsohn <edelsohn@gnu.org>
6924 * combine.c (try_combine): Ensure const_int pow2 is positive.
6926 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
6928 * config.gcc: Add configuration for s/390.
6929 * config/s390/s390.c: New. Subroutines for code generation.
6930 * config/s390/s390.h: New. Definitions for s/390.
6931 * config/s390/s390-protos.h: New. Prototypes.
6932 * config/s390/linux.h: New. Definitions for linux for s/390.
6933 * config/s390/linux64.h: New. Definitions for linux for zSeries.
6934 * config/s390/t-linux: New. Makefile fragment.
6935 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
6936 * config/s390/fixdfdi.h: New. Fix L_fix*di.
6938 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
6940 * emit-rtl.c (try_split): Update mark_jump_label call.
6941 * flow.c (find_sub_basic_blocks): Likewise.
6942 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
6944 (mark_all_labels): Kill second parameter.
6945 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
6946 (rebuild_jump_labels, jump_optimize_minimal): Update call
6948 (jump_optimize_1): Kill crossjumping code.
6949 (mark_jump_label): Kill cross_jump parameter.
6950 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
6951 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
6952 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
6954 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
6956 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
6957 reorganize passes to do reg-stack first, bb-reorder second.
6958 * invoke.texi (-d letters doc): Remove the jump2 pass.
6960 2001-07-12 Steve Ellcey <sje@cup.hp.com>
6962 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
6964 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6966 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
6968 (verify_flow_info): Make diagnostics prettier.
6970 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
6972 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
6974 * flow.c (outgoing_edges_match): Return early if condition reversal
6977 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
6979 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
6980 (mips_move_2words): When splitting a move into two instructions,
6981 prefix the second address operand with '%D'.
6983 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
6985 * Makefile.in (final.o): Depend on debug.h.
6986 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
6987 (dbx_debug_hooks): Add new hooks.
6988 (xcoff_debug_hooks): New.
6989 * debug.c (debug_nothing_file_int_int): New.
6990 (do_nothing_debug_hooks): Update.
6991 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
6992 (debug_nothing_file_int_int): New.
6993 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
6994 static, update prototype.
6995 (dwarf2_debug_hooks): Update.
6996 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
6997 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
6998 static, update prototype.
6999 (dwarf_debug_hooks): Update.
7000 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
7001 * final.c: Include debug.h.
7002 (final_scan_insn): Use debug hooks when beginning and ending blocks.
7003 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
7004 static, update prototype.
7005 (sdb_debug_hooks): Update.
7006 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
7007 * toplev.c: Distinguish between xcoff and dbx.
7009 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
7010 Call all debug hooks, not just dwarf ones.
7012 2001-07-11 Timothy Wall <twall@redhat.com>
7014 * config.gcc: Add configuration for AIX5/IA64.
7015 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
7016 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
7017 support prefix/suffix code.
7018 * config/ia64/t-aix: New. Makefile fragment.
7019 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
7021 2001-07-11 Kazu Hirata <kazu@hxi.com>
7023 * recog.c (validate_change): Fix a comment typo.
7025 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
7027 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
7028 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
7030 * dbxout.c (dbx_debug_hooks): Add new hooks.
7031 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
7033 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
7035 * dbxout.h (dbxout_start_new_source_file,
7036 dbxout_resume_previous_source_file): Delete.
7037 * debug.c (do_nothing_debug_hooks): Add new hooks.
7038 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7039 (debug_nothing_int_charstar, debug_nothing_int): New.
7040 * debug.h (gcc_debug_hooks): New hooks define, undef,
7041 start_source_file and end_source_file.
7042 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7043 (debug_nothing_int_charstar, debug_nothing_int): New.
7044 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
7045 the conditionally compiled section.
7046 (dwarf2out_start_source_file, dwarf2out_end_source_file,
7047 dwarf2out_define, dwarf2out_undef): Make static.
7048 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
7049 dwarf2out_define, dwarf2out_undef): Remove.
7050 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
7051 (dwarfout_start_source_file, dwarfout_end_source_file,
7052 dwarfout_define, dwarfout_undef): Make static.
7053 (dwarfout_start_source_file_check,
7054 dwarfout_end_source_file_check): New.
7055 (dwarfout_define, dwarfout_finish): Update.
7056 * dwarfout.h (dwarfout_start_new_source_file,
7057 dwarfout_resume_previous_source_file, dwarfout_define,
7058 dwarfout_undef): Remove.
7059 * sdbout.c (sdb_debug_hooks): Add new hooks.
7060 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
7062 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
7063 make static, take an arg.
7064 * sdbout.h (sdbout_start_new_source_file,
7065 sdbout_resume_previous_source_file): Delete.
7066 * toplev.c (debug_start_source_file, debug_end_source_file,
7067 debug_define, debug_undef): Delete.
7068 * toplev.h (debug_start_source_file, debug_end_source_file,
7069 debug_define, debug_undef): Delete.
7071 * java/jcf-parse.c: Include debug.h.
7072 (parse_class_file): Update to use debug hooks directly.
7073 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
7075 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7077 * alias.c (set_mem_alias_set): New function.
7078 * rtl.h (set_mem_alias_set): Declare it.
7079 * builtins.c (expand_builtin_return_addr): Call it instead of
7080 using MEM_ALIAS_SET accessor.
7081 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
7082 (get_memory_rtx, expand_builtin_va_arg): Likewise.
7083 (expand_builtin_va_copy):Likewise.
7084 * caller-save.c (setup_save_areas): Likewise.
7085 * calls.c (compute_argument_addresses): Likewise.
7086 * explow.c (set_mem_attributes): Likewise.
7087 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
7088 (expand_assignment, store_constructor_field, store_field): Likewise.
7089 (expand_expr_unaligned): Likewise.
7090 * function.c (assign_stack_temp_for_type): Likewise.
7091 (put_reg_into_stack, gen_mem_addressof): Likewise.
7092 * ifcvt.c (noce_try_cmove_arith): Likewise.
7093 * reload1.c (reload, alter_reg): Likewise.
7094 * config/alpha/alpha.c (get_aligned_mem): Likewise.
7095 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
7096 (alpha_expand_unaligned_store): Likewise
7097 (alpha_expand_unaligned_load_words): Likewise.
7098 (alpha_expand_unaligned_store_words): Likewise.
7099 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
7100 (alpha_expand_epilogue): Likewise.
7101 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
7102 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
7103 * config/i386/i386.c (legitimize_pic_address): Likewise.
7104 * config/i960/i960.c (setup_incoming_varargs): Likewise.
7105 * config/ia64/ia64.c (spill_restore_mem): Likewise.
7106 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
7107 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
7108 * config/mips/mips.c (mips_va_arg): Likewise.
7109 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
7110 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
7111 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
7112 (setup_incoming_varargs, rs6000_va_arg): Likewise.
7113 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
7114 (rs6000_emit_epilogue): Likewise.
7115 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
7116 * config/sparc/sparc.c (sparc_va_arg): Likewise.
7117 * config/v850/v850.c (v850_va_arg): Likewise.
7119 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
7121 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
7122 when fallthru edge is present.
7123 (mege_blocks): Handle case where creation of jump insn
7126 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
7127 CLEANUP_POST_REGSTACK): New constants.
7128 * except.c (finish_eh_generation): Update call of cleanup_cfg,
7129 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
7130 * output.h (cleanup_cfg): Update prototype.
7131 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
7132 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
7133 cleanup_cfg call; kill missleading comment.
7134 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
7135 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
7136 parameter; control optimizations performed using it.
7137 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
7138 try_crossjump_bb): New functions.
7140 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7142 * pa.c (pa_output_function_prologue): Delete prototype. Make function
7144 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
7145 pa_output_function_prologue.
7146 * pa-protos.h (pa_output_function_prologue): New prototype.
7148 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7150 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
7151 and low to get correct sign extension in low+high test.
7153 2001-07-11 Janis Johnson <janis@us.ibm.com>
7155 * gcov.c (arcdata): Use gcov_type to fix branch percentage
7156 for large hit count.
7158 * profile.c (branch_prob): Fix .bbg info for computed gotos
7161 2001-07-11 Mark Mitchell <mark@codesourcery.com>
7163 * stmt.c (parse_output_constraint): New function, split out
7165 (expand_asm_operands): ... here. Use parse_output_constraint.
7166 * tree.h (parse_output_constraint): Declare it.
7168 2001-07-11 Richard Henderson <rth@redhat.com>
7170 * bitmap.c: Comment some functions; fiddle whitespace.
7171 (bitmap_free): Don't export.
7172 (bitmap_element_allocate): Use memset.
7173 * bitmap.h (bitmap_free): Don't declare.
7175 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
7177 * gcse.c, lcm.c, sched-deps.c:
7178 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
7180 * flow.c (flow_loops_find): Free dom if we found no loops, since
7181 we aren't going to save it.
7183 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
7186 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
7188 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
7190 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7192 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
7193 #ifndef DWARF2_DEBUGGING_INFO.
7195 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7197 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
7199 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7201 * config/mips/mips.c (gen_int_relational): Tell the caller not to
7202 reverse a branch if a NE comparison is implemented with GTU.
7204 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7205 H.J. Lu <hjl@gnu.org>
7207 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
7209 (call_internal2): Likewise.
7210 (call_value_internal1): Likewise.
7211 (call_value_internal2): Likewise.
7212 (call_value_multiple_internal1): Likewise.
7213 (call_value_multiple_internal2): Likewise.
7215 2001-07-10 Kazu Hirata <kazu@hxi.com>
7217 * calls.c (emit_library_call_value_1): Fix a comment typo.
7218 * dwarf2out.c (mem_loc_descriptor): Likewise.
7219 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
7221 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
7223 * simplify-rtx.c (simplify_subreg): Fix typo in comment
7225 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7227 * recog.c (offsettable_address_p): Handle LO_SUM case.
7228 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
7229 instead of plus_constant.
7231 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7233 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
7234 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
7236 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7238 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
7239 adjust_address_nv instead of plus_constant.
7241 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
7243 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
7244 dwarf2out.o): Depend on debug.h, wrap long lines.
7245 * dbxout.c: Include debug.h.
7246 (dbx_debug_hooks): New.
7247 (dbxout_init): Make static, take just 2 args.
7248 (dbxout_finish): Make static.
7249 * dbxout.h (dbxout_init, dbxout_finish): Delete.
7250 * debug.c: New file.
7251 * debug.h: New file.
7252 * dwarf2out.c: Include debug.h.
7253 (dwarf2_debug_hooks): New.
7254 (dwarf2out_init): Make static.
7255 (dwarf2out_finish): Make static, take 2 args.
7256 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
7257 * dwarfout.c: Include debug.h.
7258 (dwarf_debug_hooks): New.
7259 (dwarfout_init): Make static.
7260 (dwarfout_finish): Make static, take 2 args.
7261 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
7262 * sdbout.c: Include debug.h.
7263 (sdb_debug_hooks): New.
7264 (sdbout_init): Make static, take 2 args.
7265 * sdbout.h (sdbout_init): Delete.
7266 * toplev.c: Include debug.h.
7268 (compile_file): Set deubg_hooks based on command line options.
7269 Use the hooks unconditionally rather than conditional compilation.
7271 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
7273 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
7274 first_insn_after_basic_block_note instead.
7276 * df.c (df_bb_refs_unlink): #if 0 out for now.
7278 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
7280 * ssa.h: Add prototype for ssa_const_prop
7281 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
7282 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
7283 (ssa_fast_dce): Remove unused variable
7285 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7287 * diagnostic.c (finish_diagnostic): Rename to
7288 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
7291 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
7293 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
7296 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
7297 (dump_file): Only pad the demangled name with spaces if the
7298 mangled name was padded with spaces.
7300 2001-07-10 Bernd Schmidt <bernds@redhat.com>
7302 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
7305 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7307 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
7308 extraction if no direct load if either EXPAND_CONST_ADDRESS or
7311 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
7312 whether can put offset inside LO_SUM to check mode alignment, not size.
7314 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7316 * doc/tm.texi (Misc): Fix thinko.
7318 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
7320 * regmove.c (replace_in_call_usage): Fix warnings.
7321 * sched-deps.c (add_dependence): Fix warnings.
7322 * simplify-rtx.c (simplify_subreg): Likewise.
7323 Return NULL_RTX instead of NULL.
7325 * reg-stack.c (emit_swap_insn): Eliminate warnings.
7326 (subst_asm_stack_regs): Likewise.
7328 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
7331 * dwarf2out.c (output_call_frame_info): Declare i as int.
7332 (build_abbrev_table): Declare n_alloc as int.
7333 (dwarf2out_finish): Initialize die.
7334 * except.c: Declare sjlj_funcdef_number as unsigned.
7335 (connect_post_landing_pads): Declare j as unsigned.
7336 (convert_to_eh_region_ranges): Initialize call_site.
7337 (output_function_exception_table): Initialize tt_format_size.
7338 * expr.c (move_by_pieces_1): Initialize to1.
7339 (store_constructor): Initialize minelt and maxelt.
7340 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
7341 * function.c (instantiate_decls): Avoid signed/unsigned warning.
7343 * c-decl.c (combine_parm_decls): Unused, remove.
7344 * c-tree.h: Remove prototype for combine_parm_decls.
7346 * reload.c (push_reload): Fix warning.
7347 (regno_clobbered_p): Likewise.
7348 * reload1.c (replace_pseudos_in_call_usage): Likewise.
7349 (reload_combine): Likewise.
7351 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
7352 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
7354 * bitmap.c (bitmap_operation): Change user.
7355 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
7357 2001-07-10 Eric Christopher <echristo@redhat.com>
7359 * config/mips/mips.c (override_options): Fix typo.
7361 2001-07-09 Stan Shebs <shebs@apple.com>
7363 * target.h (struct gcc_target): New fields init_builtins and
7365 * target-def.h (TARGET_INIT_BUILTINS): New macro.
7366 (TARGET_EXPAND_BUILTIN): New macro.
7367 (TARGET_INITIALIZER): Add them.
7368 * builtins.c: Include target.h.
7369 (expand_builtin): Use targetm.expand_builtin.
7370 (default_init_builtins): New function.
7371 (default_expand_builtin): New function.
7372 * expr.h (default_init_builtins): Declare.
7373 (default_expand_builtin): Declare.
7374 * c-common.c (c_common_nodes_and_builtins): Use
7375 targetm.init_builtins.
7376 * defaults.h (MD_INIT_BUILTINS): Remove.
7377 * Makefile.in (builtins.o): Depend on target.h.
7379 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
7380 (TARGET_EXPAND_BUILTIN): Define.
7381 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
7382 (MD_EXPAND_BUILTIN): Remove.
7384 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
7385 (TARGET_EXPAND_BUILTIN): Define.
7386 (c4x_init_builtins): Make endlink arg a local.
7387 (c4x_print_operand): Fix typos in adjust_address usages.
7388 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
7389 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
7390 (MD_EXPAND_BUILTIN): Remove.
7392 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
7393 (TARGET_EXPAND_BUILTIN): Define.
7394 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
7395 (ix86_init_builtins): Call new function only if TARGET_MMX.
7396 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
7397 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
7398 (MD_EXPAND_BUILTIN): Remove.
7400 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
7401 (TARGET_EXPAND_BUILTIN): Define.
7402 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
7403 (MD_EXPAND_BUILTIN): Remove.
7405 * doc/tm.texi: Document these changes.
7407 2001-07-09 Diego Novillo <dnovillo@redhat.com>
7409 * basic-block.h (tree_node): Forward declare if needed.
7410 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
7411 (BLOCK_HEAD_TREE): Define.
7412 (BLOCK_END_TREE): Define.
7413 (struct loops): Rename field 'tree' to 'tree_root'.
7414 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
7416 (flow_loops_tree_build): Rename reference to field 'tree' to
7418 (flow_loops_level_compute): Ditto.
7419 * predict.c (estimate_bb_frequencies): Ditto.
7420 * tree.h (struct tree_common): Add field 'aux'.
7422 2001-07-09 Stan Shebs <shebs@apple.com>
7424 * config/darwin.c (darwin_encode_section_info): Don't mark any
7425 DECL_EXTERNAL node as defined.
7427 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
7429 * pa.c (pa_init_machine_status, pa_mark_machine_status,
7430 pa_free_machine_status, hppa_init_pic_save): Delete.
7431 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
7432 (hppa_profile_hook): Use hppa_pic_save_rtx.
7433 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
7434 hppa_init_pic_save): Delete.
7435 (hppa_pic_save_rtx): Declare.
7436 * pa.md (call, call_value, sibcall, sibcall_value,
7437 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
7439 2001-07-09 Kazu Hirata <kazu@hxi.com>
7441 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
7442 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
7444 2001-07-09 Andreas Jaeger <aj@suse.de>
7446 * output.h: Add declaration of final_forward_branch_p.
7448 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
7450 * varray.c: Include errors.h for internal_error and trim_filename
7453 * Makefile.in (varray.o): Add errors.h.
7455 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
7457 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
7458 * optabs.c (have_add2_insn): Check whether the add insn chosen
7459 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
7460 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
7462 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
7464 * Makefile.in (OBJS): Add ssa-ccp.o
7465 (ssa-ccp.o): Add dependencies.
7466 * toplev.c (DFI_ssa_ccp): New dump file enum.
7467 (dump_file): Add entry for dumping after SSA CCP.
7468 (flag_ssa_ccp): New flag variable.
7469 (f_options): Add -fssa-ccp.
7470 (rest_of_compilation): Run SSA CCP if requested.
7471 * timevar.def (TV_SSA_CCP): New timevar.
7472 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
7473 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
7474 Fix minor typo in SSA DCE documentation.
7475 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
7476 Add documentation for new dump option. Renumber dump files
7479 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7481 * emit-rtl.c (gen_highpart_mode): New.
7482 * rtl.h (gen_highpart_mode): Declare.
7483 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
7484 operand can be VOIDmode constant.
7486 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
7488 * flow.c (redirect_edge_and_branch_force): New.
7489 (can_fallthru): Ensure that basic blocks are succeeding.
7490 (try_optimize_cfg): Do not delete basic block if it is the last one.
7492 * flow.c (try_redirect_by_replacing_jump): Do not remove
7493 jumps with side effects, unlink chain on fallthru edge;
7494 set block for new jump instruction; avoid basic block to
7495 over by line number note.
7497 * flow.c (try_simplify_condjump): Verify that the condjump
7498 is not always falling trought.
7501 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
7503 * flow.c (forwarder_block_p): Fix for fallthru blocks.
7504 (try_redirect_by_replacing_jump): Update properly the count
7505 and frequency information.
7507 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7509 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
7510 address that is a LO_SUM specially.
7511 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
7513 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
7515 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
7516 (operand_subword): Use them.
7517 (change_address_1): Renamed from change_address; new arg VALIDATE.
7518 * expr.h: Reflect above changes; change_address now macro.
7519 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
7521 * cselib.c (add_mem_for_addr): Likewise.
7522 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
7523 * regmove.c (try_apply_stack_adjustment): Likewise.
7524 * reload.c (push_reload, make_memloc): Likewise.
7525 * reload1.c (eliminate_regs): Likewise.
7526 * simplify-rtx.c (simplify_replace_rtx): Likewise.
7527 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
7529 * combine.c (make_extraction, simplify_shift_const): Likewise.
7530 (gen_lowpart_for_combine): Likewise.
7531 * cse.c (gen_lowpart_if_possible): Likewise.
7532 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
7533 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
7534 * optabs.c (gen_move_insn): Likewise.
7535 * reload1.c (alter_reg): Likewise.
7536 * simplify-rtx.c (simplify_subreg): Likewise.
7537 * stmt.c (expand_anon_union_decl): Likewise.
7538 * recog.c (validate_replace_rtx_1): Likewise.
7540 * Makefile.in (recog.o): Add $(EXPR_H).
7541 * explow.c (stabilize): Call replace_equiv_address.
7542 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
7543 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
7545 2001-07-03 Andrew Haley <aph@redhat.com>
7547 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
7548 the mode of the memory location.
7550 2001-07-09 Bo Thorsen <bo@suse.co.uk>
7552 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
7554 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
7556 * final.c (output_addr_const): Use target opening and
7557 closing parentheses.
7558 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
7559 defaults, add to TARGET_ASM_OUT.
7560 * target.h (struct gcc_target): Add open_paren and close_paren.
7561 * doc/md.texi: Update.
7562 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
7563 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
7564 TARGET_ASM_CLOSE_PAREN.
7565 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7567 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7569 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
7570 * config/a29k/a29k.h: Similarly.
7571 * config/alpha/alpha.h: Similarly.
7572 * config/arc/arc.h: Similarly.
7573 * config/arm/aof.h: Similarly.
7574 * config/arm/aout.h: Similarly.
7575 * config/avr/avr.h: Similarly.
7576 * config/c4x/c4x.h: Similarly.
7577 * config/clipper/clipper.h: Similarly.
7578 * config/convex/convex.h: Similarly.
7579 * config/d30v/d30v.h: Similarly.
7580 * config/dsp16xx/dsp16xx.h: Similarly.
7581 * config/elxsi/elxsi.h: Similarly.
7582 * config/fr30/fr30.h: Similarly.
7583 * config/h8300/h8300.h: Similarly.
7584 * config/i370/i370.h: Similarly.
7585 * config/i386/i386.h: Similarly.
7586 * config/i860/i860.h: Similarly.
7587 * config/i960/i960.h: Similarly.
7588 * config/ia64/ia64.h: Similarly.
7589 * config/m32r/m32r.h: Similarly.
7590 * config/m68hc11/m68hc11.h: Similarly.
7591 * config/m68k/m68k.h: Similarly.
7592 * config/m88k/m88k.h: Similarly.
7593 * config/mcore/mcore.h: Similarly.
7594 * config/mips/mips.h: Similarly.
7595 * config/mn10200/mn10200.h: Similarly.
7596 * config/mn10300/mn10300.h: Similarly.
7597 * config/ns32k/ns32k.h: Similarly.
7598 * config/pa/pa.h: Similarly.
7599 * config/pdp11/pdp11.h: Similarly.
7600 * config/pj/pj.h: Similarly.
7601 * config/romp/romp.h: Similarly.
7602 * config/rs6000/rs6000.h: Similarly.
7603 * config/sh/sh.h: Similarly.
7604 * config/sparc/sparc.h: Similarly.
7605 * config/v850/v850.h: Similarly.
7606 * config/vax/vax.h: Similarly.
7607 * config/we32k/we32k.h: Similarly.
7609 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
7611 * doc/c-tree.texi: Document representation of attributes.
7613 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7615 * doc/tm.texi: Update some places for the rename of target to
7618 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7620 * target.h (struct gcc_target): Add insert_attributes.
7621 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
7622 (TARGET_INITIALIZER): Update.
7623 * tree.c, tree.h (default_insert_attributes): New function.
7624 Update comments on other default functions to refer to targetm,
7626 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
7627 TARGET_INSERT_ATTRIBUTES.
7628 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
7629 * c-common.c (decl_attributes): Use targetm.insert_attributes.
7630 Don't use PRAGMA_INSERT_ATTRIBUTES.
7631 * Makefile.in (c-common.o): Depend on $(TARGET_H).
7632 * c-decl.c (start_decl, start_function): Don't call
7633 SET_DEFAULT_DECL_ATTRIBUTES.
7634 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
7635 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
7637 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
7638 (c4x_check_attribute): Avoid modifying attribute list itself.
7639 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
7641 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
7642 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
7644 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
7645 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
7647 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
7648 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
7650 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
7651 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
7652 Adjust parameters. Make static.
7654 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7656 * c-common.c (decl_attributes): Only take a single attributes
7658 * c-common.h (decl_attributes): Update prototype.
7659 * c-decl.c (start_decl, start_function): Only take a single
7660 attributes parameter. Update calls to decl_attributes.
7661 (finish_struct, finish_enum): Update calls to decl_attributes.
7662 (push_parm_decl): Expect unified list of attributes. Update call
7664 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
7665 notype_nested_function, component_declarator,
7666 component_notype_declarator, label): Update calls to
7668 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
7669 lists that are passed to push_parm_decl.
7670 * c-tree.h (start_function, start_decl): Update prototypes.
7671 * config/sh/sh-protos.h, config/sh/sh.c
7672 (sh_pragma_insert_attributes): Only take a single attributes
7674 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
7675 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
7676 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
7677 build_module_descriptor, generate_static_references,
7678 generate_strings, build_selector_translation_table,
7679 generate_descriptor_table, generate_protocols,
7680 generate_ivars_list, generate_dispatch_table,
7681 generate_protocol_list, generate_category,
7682 generate_shared_structures, really_start_method, add_objc_decls,
7683 generate_classref_translation_entry): Update calls to start_decl
7685 (build_tmp_function_decl, start_method_def): Unify attribute lists
7686 that are passed to push_parm_decl.
7688 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
7690 * final.c (no_asm_to_stream): New.
7691 (final_scan_insn): Use target structures for prologue ends
7692 and epilogue starts.
7693 * output.h (no_asm_to_stream): New.
7694 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
7695 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
7696 (TARGET_ASM_OUT): Update.
7697 * target.h (struct gcc_target): New members function_end_prologue
7698 and function_begin_epilogue.
7699 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
7700 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
7701 * config/alpha/alpha.c (output_end_prologue): Rename to
7702 alpha_output_function_end_prologue. Use in target struct
7704 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
7705 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
7706 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
7707 ia64_output_function_end_prologue. Use in target struct
7709 (ia64_function_prologue, ia64_funciton_epilogue): Rename
7710 mistyped prototypes.
7711 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
7712 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
7714 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
7715 an use in target struct, make static.
7716 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
7719 2001-07-08 Richard Henderson <rth@redhat.com>
7721 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
7723 2001-07-08 Richard Henderson <rth@redhat.com>
7725 * config/i386/i386.md: Remove constraints strings from define_split
7726 and define_peephole2 patterns.
7727 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
7728 (eh_return): Use them.
7730 2001-07-08 Richard Henderson <rth@redhat.com>
7732 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
7733 Document MD_FALLBACK_FRAME_STATE_FOR.
7735 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7737 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
7738 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
7740 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
7742 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
7744 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
7745 of the label inside NAME as opposed to just the end of NAME.
7747 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
7749 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
7750 * config/alpha/alpha.c (alpha_init_machine_status,
7751 alpha_mark_machine_status, alpha_free_machine_status): Delete.
7752 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
7753 (vms_valid_decl_attribute_p): Make static, conditionally compile.
7754 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
7756 2001-07-06 Stan Shebs <shebs@apple.com>
7758 * target.h (targetm): Rename global from "target", so as not to
7759 conflict with local variables.
7761 * c-typeck.c: Ditto.
7765 * cp/decl2.c: Ditto.
7766 * cp/typeck.c: Ditto.
7767 * 1750a/1750a.c: Ditto.
7768 * a29k/a29k.c: Ditto.
7772 * clipper/clipper.c: Ditto.
7773 * convex/convex.c: Ditto.
7774 * d30v/d30v.c: Ditto.
7775 * dsp16xx/dsp16xx.c: Ditto.
7776 * elxsi/elxsi.c: Ditto.
7777 * fr30/fr30.c: Ditto.
7778 * h8300/h8300.c: Ditto.
7779 * i370/i370.c: Ditto.
7780 * i386/i386.c: Ditto.
7781 * i860/i860.c: Ditto.
7782 * i960/i960.c: Ditto.
7783 * ia64/ia64.c: Ditto.
7784 * m32r/m32r.c: Ditto.
7785 * m68hc11/m68hc11.c: Ditto.
7786 * m68k/m68k.c: Ditto.
7787 * m88k/m88k.c: Ditto.
7788 * mips/mips.c: Ditto.
7789 * ns32k/ns32k.c: Ditto.
7791 * pdp11/pdp11.c: Ditto.
7792 * romp/romp.c: Ditto.
7793 * rs6000/rs6000.c: Ditto.
7795 * sparc/sparc.c: Ditto.
7797 * we32k/we32k.c: Ditto.
7798 * doc/tm.texi: Update the manual to match.
7800 2001-07-06 Richard Henderson <rth@redhat.com>
7802 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
7803 DWARF2_UNWIND_INFO not just whether it is defined.
7805 2001-07-06 Diego Novillo <dnovillo@redhat.com>
7807 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
7808 call to simplify_binary_operation returns a new pattern.
7810 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
7812 * glimits.h (__SHRT_MAX__): New.
7813 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
7814 (SHRT_MAX): Define in terms of __SHRT_MAX__.
7816 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
7818 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
7821 2001-07-06 Richard Henderson <rth@redhat.com>
7823 * bitmap.c (bitmap_release_memory): Move adjacent to the
7824 allocation functions.
7825 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
7826 the implementation. Binary search for the set bit.
7827 (bitmap_union_of_diff): Allocate the temporary on the stack
7828 instead of using xmalloc.
7830 2001-07-06 Richard Henderson <rth@redhat.com>
7832 * genrecog.c (validate_pattern): Warn for constraints in
7833 define_{expand,split,peephole2}. Remove strict_low_part
7834 before looking up match_dup.
7836 2001-07-06 DJ Delorie <dj@redhat.com>
7838 * doc/gcc.texi (Makefile): Rename to be a more general purpose
7839 chapter about various build hints and history. Add section
7840 talking about the various types of native and cross builds.
7842 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
7844 * Makefile.in (final.o): Depend on target.h.
7845 * final.c: Include target.h.
7846 (default_function_pro_epilogue): New.
7847 (final_start_function): Use target structure for function prologues.
7848 (final_end_function): Use target structure for function epilogues.
7849 * fold-const.c (real_hex_to_f): Constify s and p.
7850 * output.h (default_function_pro_epilogue): New.
7851 * real.h (real_hex_to_f): Update prototype.
7852 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
7853 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
7854 (TARGET_INITIALIZER): Update.
7855 * target.h (gcc_target): Add struct asm_out.
7856 * doc/tm.texi: Update.
7859 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
7860 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
7861 in cpu/cpu.c, or rename old functions consistently. Take
7862 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
7863 redundant macros and prototypes. Make new functions static.
7865 * 1750a/1750a.c: Similarly.
7866 * 1750a/1750a.h: Similarly.
7867 * a29k/a29k-protos.h: Similarly.
7868 * a29k/a29k.c: Similarly.
7869 * a29k/a29k.h: Similarly.
7870 * arc/arc-protos.h: Similarly.
7871 * arc/arc.c: Similarly.
7872 * arc/arc.h: Similarly.
7873 * arm/arm-protos.h: Similarly.
7874 * arm/arm.c: Similarly.
7875 * arm/arm.h: Similarly.
7876 * avr/avr-protos.h: Similarly.
7877 * avr/avr.c: Similarly.
7878 * avr/avr.h: Similarly.
7879 * clipper/clipper-protos.h: Similarly.
7880 * clipper/clipper.c: Similarly.
7881 * clipper/clipper.h: Similarly.
7882 * convex/convex.c: Similarly.
7883 * convex/convex.h: Similarly.
7884 * d30v/d30v-protos.h: Similarly.
7885 * d30v/d30v.c: Similarly.
7886 * d30v/d30v.h: Similarly.
7887 * d30v/d30v.md: Similarly.
7888 * dsp16xx/dsp16xx-protos.h: Similarly.
7889 * dsp16xx/dsp16xx.c: Similarly.
7890 * dsp16xx/dsp16xx.h: Similarly.
7891 * elxsi/elxsi.c: Similarly.
7892 * elxsi/elxsi.h: Similarly.
7893 * fr30/fr30.c: Similarly.
7894 * fr30/fr30.md: Similarly.
7895 * h8300/h8300-protos.h: Similarly.
7896 * h8300/h8300.c: Similarly.
7897 * h8300/h8300.h: Similarly.
7898 * i370/i370-protos.h: Similarly.
7899 * i370/i370.c: Similarly.
7900 * i370/i370.h: Similarly.
7901 * i386/i386.c: Similarly.
7902 * i386/osf1elf.h: Similarly.
7903 * i386/osfrose.h: Similarly.
7904 * i860/i860-protos.h: Similarly.
7905 * i860/i860.c: Similarly.
7906 * i860/i860.h: Similarly.
7907 * i960/i960-protos.h: Similarly.
7908 * i960/i960.c: Similarly.
7909 * i960/i960.h: Similarly.
7910 * ia64/ia64-protos.h: Similarly.
7911 * ia64/ia64.c: Similarly.
7912 * ia64/ia64.h: Similarly.
7913 * m32r/m32r-protos.h: Similarly.
7914 * m32r/m32r.c: Similarly.
7915 * m32r/m32r.h: Similarly.
7916 * m68hc11/m68hc11-protos.h: Similarly.
7917 * m68hc11/m68hc11.c: Similarly.
7918 * m68hc11/m68hc11.h: Similarly.
7919 * m68k/crds.h: Similarly.
7920 * m68k/dpx2.h: Similarly.
7921 * m68k/m68k-protos.h: Similarly.
7922 * m68k/m68k.c: Similarly.
7923 * m68k/m68k.h: Similarly.
7924 * m68k/news.h: Similarly.
7925 * m88k/m88k-protos.h: Similarly.
7926 * m88k/m88k.c: Similarly.
7927 * m88k/m88k.h: Similarly.
7928 * mips/mips-protos.h: Similarly.
7929 * mips/mips.c: Similarly.
7930 * mips/mips.h: Similarly.
7931 * ns32k/merlin.h: Similarly.
7932 * ns32k/ns32k.c: Similarly.
7933 * ns32k/ns32k.h: Similarly.
7934 * ns32k/tek6000.h: Similarly.
7935 * pa/pa-protos.h: Similarly.
7936 * pa/pa.c: Similarly.
7937 * pa/pa.h: Similarly.
7938 * pdp11/2bsd.h: Similarly.
7939 * pdp11/pdp11-protos.h: Similarly.
7940 * pdp11/pdp11.c: Similarly.
7941 * pdp11/pdp11.h: Similarly.
7942 * romp/romp-protos.h: Similarly.
7943 * romp/romp.c: Similarly.
7944 * romp/romp.h: Similarly.
7945 * rs6000/rs6000-protos.h: Similarly.
7946 * rs6000/rs6000.c: Similarly.
7947 * rs6000/rs6000.h: Similarly.
7948 * rs6000/sysv4.h: Similarly.
7949 * sh/sh-protos.h: Similarly.
7950 * sh/sh.c: Similarly.
7951 * sh/sh.h: Similarly.
7952 * sparc/sparc-protos.h: Similarly.
7953 * sparc/sparc.c: Similarly.
7954 * sparc/sparc.h: Similarly.
7955 * vax/vax.c: Similarly.
7956 * vax/vax.h: Similarly.
7957 * vax/vms.h: Similarly.
7958 * we32k/we32k.c: Similarly.
7959 * we32k/we32k.h: Similarly.
7961 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
7963 * basic-block.h (first_insn_after_basic_block_note): Declare.
7964 * flow.c (first_insn_after_basic_block_note): Define. Moved
7966 * ssa.c (first_insn_after_basic_block_note): Remove.
7967 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
7969 (ssa_eliminate_dead_code): Properly update the CFG and PHI
7970 nodes when we find a dead conditional branch. Insert BARRIERs
7971 after any blocks with no successors, but which do not have
7974 2001-07-06 Zack Weinberg <zackw@stanford.edu>
7976 * varray.c (varray_check_failed): Use internal_error.
7978 2001-07-05 Andrew Haley <aph@redhat.com>
7980 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
7981 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
7982 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
7984 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
7986 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
7987 reference if the target constant is also a SYMBOL_REF.
7989 2001-07-05 Eric Christopher <echristo@redhat.com>
7991 * config/mips/mips.h (MASK_MIPS3900): Remove.
7992 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
7993 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
7994 (TARGET_MIPS3900): Change to use mips_arch.
7995 (TARGET_MIPS4000): New.
7996 (TARGET_MIPS4100): New.
7997 (TARGET_MIPS4300): New.
7998 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
7999 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
8001 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
8002 (ISA_HAS_BRANCHLIKELY): To here.
8003 (CC1_CPU_SPEC): New.
8004 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
8005 (mips_arch_string): Declare.
8006 (mips_arch): Declare.
8007 (TARGET_OPTIONS): Add -march and -mtune.
8009 * config/mips/mips.c (mips_arch_string): New.
8011 (override_options): Handle -march for codegen and -mtune
8012 for scheduling. Use mips_arch. Move tx39 target default here.
8013 (mips_parse_cpu): Move error message to override_options.
8015 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
8017 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
8019 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
8020 (MIPS Options): Ditto. Change mcpu entry to historical text.
8022 2001-07-05 H.J. Lu (hjl@gnu.org)
8024 * config/mips/mips.c (mips_parse_cpu): New function to parse
8027 2001-07-05 Jim Wilson <wilson@redhat.com>
8029 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
8030 * config/ia64/t-ia64: Likewise.
8031 (LIB1ASMFUNCS): Update comment.
8033 2001-07-05 David Edelsohn <edelsohn@gnu.org>
8035 * doc/install.texi (Install GCC: Binaries): Fix typo.
8037 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8039 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
8040 reference using the stack pointer, adjust it since we push Y
8042 ("*ashrsi3"): Likewise.
8043 ("*lshrsi3"): Likewise.
8045 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8047 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
8048 when -fomit-frame-pointer is used.
8050 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
8052 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
8053 (try_redirect_by_replacing_jump): Reverse updating properly the
8054 count and frequency information. Reverse removing cc0 setter.
8055 (forwarder_block_p): Reverse fixing for fallthru blocks.
8057 2001-07-05 DJ Delorie <dj@redhat.com>
8059 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
8060 (translate_options): If the above is defined, use it to map
8061 given options to new options.
8062 * doc/tm.texi: Document it.
8064 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
8065 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8067 * doc/invoke.texi (Optimize Options): Document that -fgcse may
8068 cause programs using computed gotos to run more slowly.
8070 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8072 * doc/install.texi (Specific): Markup, spelling and typo fixes.
8074 Consistently require binutils 2.11.2, not prereleases.
8075 (Specific, decstation-*): Canonicalize as mips-dec-*.
8076 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
8078 (Specific, m68k-altos): Removed reference to README.altos, deleted.
8079 (Specific, mips-*): Reword MIPS C compiler requirements.
8080 (Specific, powerpc*-*-*): New, mention --with-cpu once.
8081 (Specific, sunv5): Removed, obsolete.
8083 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
8085 * dwarf2out.c (output_loc_list): Use an all ones mask for
8086 .text asm output and don't rely on long long
8087 literals. Reformat some long lines.
8089 2001-07-05 Andreas Jaeger <aj@suse.de>
8091 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
8094 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8096 * dwarf2out.c (dwarf2out_define): Update comment.
8097 (dwarf2out_undef): Ditto.
8098 (dwarf2out_start_source_file): Ditto.
8099 (dwarf2out_end_source_file): Ditto.
8100 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
8101 since we never call the start/end debug hook for the primary file.
8103 2001-07-04 Kazu Hirata <kazu@hxi.com>
8105 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
8108 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8110 * cppinit.c (remove_dup_dirs): Inform if a system include
8111 directory is being reordered.
8112 * doc/invoke.texi (Directory Options): GCC warns if you hide a
8114 * doc/cpp.texi (Search Paths): Likewise.
8115 * doc/gcc.texi (Interoperation): Remove information about
8118 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8120 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
8121 (VARRAY_TOP_CHAR_PTR): Likewise.
8123 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8125 * gcc.c (process_command): Don't assign elements of a const char*.
8127 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8129 * emit-rtl.c (change_address): Don't abort if invalid address while
8130 reload is in progress.
8132 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8134 * c-lex.c (cb_file_change): Pass line number to
8135 debug_start_source_file.
8136 (cb_undefine): Pass correct line number to debug_undef.
8138 * toplev.c (debug_start_source_file): Add line number to
8139 parameters. Pass it along to dwarf2out_start_source_file.
8140 (decode_g_option): Stop resetting debug level back to normal when
8141 we change debug formats, unless the current level is
8142 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
8145 * toplev.h (debug_start_source_file): Add line number to
8148 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
8151 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
8153 Output debug_macinfo data for starting file if requested.
8154 (dwarf2out_end_source_file): Output debug_macinfo data for ending
8156 (dwarf2out_define): Output debug_macinfo data for defining a macro
8158 (dwarf2out_undef): Output debug_macinfo data for undefining a
8160 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
8161 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
8162 (macinfo_section_label): New. DWARF2 macro info section label.
8163 (dwarf2out_init): If we want macro info, output the start label
8165 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
8166 attribute to the compilation unit die pointing to the macro info.
8168 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8170 * dwarf2out.c (new_loc_list): Move to inside #ifdef
8171 DWARF2_DEBUGGING_INFO.
8172 (add_loc_descr_to_loc_list): Ditto.
8173 (output_loc_list): Ditto.
8174 Also, fix thinko in curr not being initialized.
8175 (gen_internal_sym): Ditto.
8177 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8179 * emit-rtl.c (replace_equiv_address): New function.
8180 * expr.h (replace_equiv_address): New declaration.
8181 * explow.c (validize_mem): Call it instead of change_address and
8182 also call if -fforce-addr and address is constant.
8183 * expr.c: Replace more calls to change_address with adjust_address
8184 and/or replace_equiv_address or to validize_mem.
8185 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
8186 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
8187 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8188 * config/i370/i370.md, config/i860/i860.md: Likewise.
8189 * config/i960/i960.md, config/mips/mips.c: Likewise.
8190 * config/mips/mips.md, config/pa/pa.md: Likewise.
8191 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
8192 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
8194 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8196 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
8198 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
8201 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
8203 * doc/include: New directory.
8204 * doc/fdl.texi: Move to doc/include/fdl.texi.
8205 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
8206 * doc/include/funding.texi, doc/include/gpl.texi: New files.
8207 * doc/gcc.texi: Use funding.texi and gpl.texi.
8208 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
8209 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
8210 Update dependencies and use -I $(docdir)/include.
8212 2001-07-04 Anthony Green <green@redhat.com>
8214 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
8216 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8218 * doc/install.texi (sparc64-*-*): Remove garbage.
8220 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
8222 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
8223 Fix typo in last change to use adjust_address.
8225 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8227 * doc/install.texi (Specific): Update information for *-*-solaris*.
8229 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8231 * explow.c (plus_constant_wide): Reinitialize Y for restart.
8233 2001-07-03 Stan Shebs <shebs@apple.com>
8235 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
8236 case for flag_no_mach_text_sections.
8237 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
8238 * config/darwin.c (flag_no_mach_text_sections): Remove.
8239 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
8241 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8243 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
8244 and avoid checking for constant as first operand.
8245 * recog.c (find_constant_term_loc): No longer static.
8246 (adj_offettable_operand): Delete.
8247 * rtl.h (adj_offsettable_operand): Delete declaration.
8248 (find_constant_term): Add declaration.
8249 * caller-save.c: Replace calls to adj_offsettable_operand with calls
8251 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
8252 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
8253 * config/i386/i386.c, config/i386/i386.md: Likewise.
8254 * config/i860/i860.c, config/i960/i960.c: Likewise.
8255 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
8256 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
8257 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
8258 * config/mips/mips.c, config/mips/mips.md: Likewise.
8259 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
8260 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
8261 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
8262 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
8263 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
8264 * config/ns32k/ns32k.md: Likewise.
8266 2001-07-03 Zack Weinberg <zackw@stanford.edu>
8268 * rtl.c (copy_rtx): Handle 'T' format letter.
8269 * gensupport.c (collect_insn_data): Likewise.
8270 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
8272 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
8274 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
8275 -B option. Use 'dir' not 'foo' as example directory name.
8277 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8279 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8280 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
8282 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8284 * doc/cppinternals.texi: Improve formatting and logical markup.
8286 2001-07-03 Andreas Jaeger <aj@suse.de>
8288 * Makefile.in (insn-recog.o): Add dependency on reload.h.
8290 * genrecog.c (write_header): Include reload.h for prototypes in
8293 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
8296 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
8297 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8298 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
8299 i386_pe_valid_type_attribute_p): Add.
8300 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
8301 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
8303 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8305 * explow.c (plus_constant_wide, case LO_SUM): New case.
8306 (plus_constant_for_output_wide): Delete.
8307 * rtl.h (plus_constant_for_output): Delete.
8308 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
8309 instead of plus_constant_for_output.
8310 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
8311 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
8312 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
8313 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
8314 * config/sparc/sparc.md: Likewise.
8315 Convert some change_address calls to adjust_address.
8317 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8319 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
8320 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
8321 documentation of -std and -Wwrite-strings.
8323 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8325 * cse.c (canon_hash): Don't register registers in very small
8326 register classes, as extending their lifetime might cause
8329 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8331 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8333 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8334 (try_redirect_by_replacing_jump): Update properly the count
8335 and frequency information.
8337 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
8339 * toplev.c (dump_file_index): Move SSA dumps just after first
8341 (dump_file): Corresponding changes.
8342 (rest_of_compilation): Move SSA path to just after the first
8344 * doc/gcc.texi (Passes): Update due to movement of SSA path.
8345 * doc/invoke.texi: Update dump file #s as they were completely
8346 out of date with reality.
8348 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8350 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
8352 * expr.c (emit_move_insn_1): Deal with non-default
8355 * expr.c (emit_single_push_insn): Fix warning.
8357 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8359 * expr.c (emit_move_insn_1): Avoid modifying
8360 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
8362 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8364 * emit-rtl.c (adjust_address): New function.
8365 * expr.h (adjust_address): Add declaration.
8366 * builtins.c: Replace some calls to change_address with calls to it
8368 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
8369 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
8370 * config/arm/arm.c, config/convex/convex.c: Likewise.
8371 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8372 * config/i386/i386.c, config/i386/i386.md: Likewise.
8373 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
8374 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
8375 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
8376 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
8377 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
8379 2001-07-02 Jim Wilson <wilson@redhat.com>
8381 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
8383 2001-07-02 Steve Ellcey <sje@cup.hp.com>
8385 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
8386 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
8388 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8390 * cppinit.c (lang_defaults): New table.
8391 (set_lang): Just read from lang_defaults into the live options
8394 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8396 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
8397 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
8398 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
8400 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8402 * doc/install.texi: Various spelling and markup fixes.
8403 (Installing GCC): Component specific installation instructions are
8406 Warn about removing old install dir in the presence of shared libs.
8407 (Configuration): Invoke with options target to match configure
8409 Consistently refer to gas, gld pathnames.
8410 Invert --enable-multilib documentation.
8411 Remove references to old compiler versions.
8413 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8415 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
8417 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8419 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
8421 (Specific, mips*-sgi-irix5): Note IDO download.
8422 Reworded MIPS C hints.
8423 Use GNU as instead of GAS.
8425 Removed SGI Freeware reference, IRIX 6 only.
8426 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
8427 Note N64 library requirement/workaround.
8429 Complete list of structure passing bug victims.
8431 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8433 * doc/install.texi: Remove CVS Id.
8435 2001-07-02 Andreas Jaeger <aj@suse.de>
8437 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
8438 (find_inherently_necessary): Remove unused variable.
8440 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
8442 * c-common.h (TDI_inlined): New ast dump phase.
8443 (dump_flag_name): New function.
8444 * c-dump.c (dump_files): Add inlined phase.
8445 (dump_flag_name): Define.
8446 * doc/invoke.texi (-fdump-ast-inlined): Document.
8448 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8450 * stor-layout.c (layout_decl): Revert change to handling of alignment
8453 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8455 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
8458 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
8460 * doc/tm.texi (FUNCTION_ARG): Document that the last call
8463 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
8465 * tlink.c (recompile_files): Remove COMPILER_PATH and
8466 LIBRARY_PATH from the environment.
8468 2001-07-01 Zack Weinberg <zackw@stanford.edu>
8470 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
8471 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
8473 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
8475 * c-parse.in (OBJC_STRING): Kill.
8476 (objc_string): Decompose to [objc_string] '@' STRING.
8477 (reswords): Take the leading '@' off all the Objective C keywords.
8478 (objc_rid_sans_at): Kill.
8479 (init_reswords): Don't initialize it.
8480 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
8481 (_yylex): Kill reconsider label. Look ahead one token after
8482 an '@'; if we get an identifier, check whether it's an
8483 Objective C @-keyword. If so, return the keyword. Otherwise,
8484 put back the token and return the '@' as a terminal.
8486 * cpplib.c (lex_macro_node): Remove unnecessary check for
8487 leading '@' on identifier. Clarify control flow and commentary.
8489 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8491 * cse.c (new_label_ref): Variable deleted.
8492 (insert): Remove set of new_label_ref.
8493 (check_for_label_ref): New function.
8494 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
8496 See ChangeLog.5 for earlier changes.