1 Fri Sep 21 01:49:41 2001 J"orn Rennecke <amylaar@redhat.com>
3 * sh-protos.h (sh_pr_n_sets): Declare.
4 * sh.c (calc_live_regs): If the initial value for PR has been copied,
5 look at the copy to determine if PR needs to be saved.
6 sh_pr_n_sets: New function.
7 * sh.h (RETURN_ADDR_RTX): Use get_hard_reg_initial_val.
8 (ALLOCATE_INITIAL_VALUE): Define.
10 * sh.c (initial_elimination_offset):
11 Fix RETURN_ADDRESS_POINTER_REGNUM case.
13 Fri Sep 21 01:13:56 2001 J"orn Rennecke <amylaar@redhat.com>
15 * integrate.c (allocate_initial_values): New function.
16 * integrate.h (allocate_initial_values): Declare.
17 * local-alloc.c (local_alloc): Move call to allocate_reg_info from
19 * reload1.c (reload): And initialization of reg_equiv_memory_loc
21 * toplev.c (rest_of_compilation): To here.
22 Call allocate_initial_values.
23 * tm.texi: add description for ALLOCATE_INITIAL_VALUE.
25 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
27 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
29 2001-09-20 DJ Delorie <dj@redhat.com>
31 * c-typeck.c (really_start_incremental_init): Discriminate
32 between zero-length arrays and flexible arrays.
33 (push_init_level): Detect zero-length arrays and handle them
34 like fixed-sized arrays.
35 * expr.c (store_constructor): Handle zero-length arrays and
36 flexible arrays correctly.
37 * doc/extend.texi: Update zero-length array notes.
39 2001-09-20 Jim Wilson <wilson@redhat.com>
41 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
42 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
43 for issue port conflicts.
44 (cycle_end_fill_slots): TYPE_L instructions take two slots.
46 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
48 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
51 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
53 * fold-const.c (hashtab.h): Include.
54 (int_const_binop): Remove FORSIZE arg and compute from type; all
56 Call size_int_type_wide for all single-word constants.
57 (size_htab_hash, size_htab_eq): New functions.
58 (size_int_type_wide): Rework to use hash table.
59 * ggc-common.c (hashtab.h): Include.
60 (struct d_htab_root): New struct.
61 (d_htab_roots): New variable.
62 (ggc_add_deletable_htab, ggc_htab_delete): New functions
63 (ggc_mark_roots): Handle deletable htabs.
64 * ggc-page.c (ggc_marked_p): New function.
65 * ggc-simple.c (ggc_marked_p): Likewise.
66 * ggc.h: Reformatting throughout.
67 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
68 * tree.c (init_obstacks): Make type_hash_table a deletable root.
69 (type_hash_add): Allocate struct type_hash from GC memory.
70 (mark_hash_entry, mark_type_hash): Deleted.
71 (type_hash_marked_p, type_hash_mark): New functions.
72 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
74 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
76 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
79 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
81 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
82 array-too-large test for signed sizetype.
84 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
86 * i386.md (indirect_jump): Allow Pmode operand.
87 (tablejump): LIkewise; perform expansion to 64bit mode.
88 * i386.c (symbolic_operand): Allow 64bit PIC references.
89 (pic_symbolic_operand): Likewise.
90 (ix86_find_base_term): Strip the 64bit PIC references.
91 (legitimate_pic_address_disp_p): Handle 64bit PIC.
92 (legitimize_pic_address): Likewise.
93 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
94 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
96 2001-09-19 Alan Modra <amodra@bigpond.net.au>
97 David Edelsohn <edelsohn@gnu.org>
100 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
101 already sign-extended.
103 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
104 * config/rs6000/rs6000.c (logical_operand): Always compare op as
106 (rs6000_emit_set_long_const): Avoid unnecessary shift.
107 (output_profile_hook): Declare label_name const.
108 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
109 to match constraints.
111 2001-09-19 Stan Shebs <shebs@apple.com>
113 * alias.c: Fix typos in comments.
114 * sched-rgn.c (init_ready_list): Ditto.
115 * unwind-dw2.c (uw_frame_state_for): Ditto.
116 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
117 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
118 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
120 2001-09-19 Richard Henderson <rth@redhat.com>
122 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
124 * Makefile.in (cfg.o): Depend on TM_P_H.
126 2001-09-19 Richard Henderson <rth@redhat.com>
128 * config/alpha/alpha.c (local_symbol_p): Split out from ...
129 (local_symbolic_operand): ... here.
130 (small_symbolic_operand): Check mode.
131 (global_symbolic_operand): New.
132 (input_operand): Reject symbolics if explicit relocs.
133 (call_operand): Tidy.
134 (alpha_legitimize_address): Use movdi_er_high_g.
135 (alpha_expand_mov): Likewise.
136 * config/alpha/alpha-protos.h: Update.
137 * config/alpha/alpha.h (PREDICATE_CODES): Update.
138 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
139 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
140 (UNSPECV_LDGP2): Remove.
141 (all call patterns): Use 's' not 'i' for symbolic constraint.
142 (call_osf call_value_osf): Use call_operand.
143 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
144 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
145 (prologue_ldgp_1_er): Remove.
146 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
147 (builtin_setjmp_receiver_er patterns): Use them.
148 (exception_receiver_er): Likewise.
150 2001-09-19 Richard Henderson <rth@redhat.com>
152 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
154 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
155 and NON_LOCAL_GOTO notes.
156 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
157 copy over CALL_INSN_FUNCTION_USAGE.
159 2001-09-18 Catherine Moore <clm@redhat.com>
161 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
164 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
166 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
167 new-style tm_file specification. Specify correct tm_p_file,
168 md_file, and out_file for s390x.
170 * config/s390/linux.h, linux64.h: Don't include other target
171 macro header files. Now handled via tm_file.
173 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
174 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
175 are defined before use.
177 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
179 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
180 code generation only for Gnu assembler.
182 2001-09-18 Catherine Moore <clm@redhat.com>
184 * config/stormy16 (LIB_SPEC): Remove -lnosys.
186 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
188 * config/mips/mips.c (mips_frame_set): New.
189 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
190 a parallel frame-related expression with a set for each register.
192 2001-09-18 Philip Blundell <philb@gnu.org>
194 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
197 2001-09-17 Dale Johannesen <dalej@apple.com>
199 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
200 * config/rs6000/aix.h (FIXED_R2): Define.
201 * config/rs6000/darwin.h (FIXED_R2): Define.
202 * config/rs6000/sysv4.h (FIXED_R2): Define.
204 2001-09-17 Jeff Sturm <jsturm@one-point.com>
206 * except.c (dw2_build_landing_pads): New local
207 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
208 barrier after clobbers. Fixes c++/4012.
210 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
212 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
214 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
216 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
217 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
219 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
221 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
224 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
226 * cpphash.h (_cpp_lex_direct): New.
227 * cpplex.c (_cpp_lex_token): Update.
228 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
229 and increment that pointer.
230 * cppmacro.c (alloc_expansion_token): New.
231 (lex_expansion_token): Lex macro expansion directly into
234 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
236 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
238 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
240 * basic-block.h (free_bb_for_insn): Declare.
241 * bb-reorder.c (label_for_bb): Use block_label.
242 (emit_jump_to_block_after): Remove.
243 (insert_intra_1): Do not update block_for_insn.
244 (insert_inter_bb_scope_notes): Likewise; update bb->end
245 * cfg.c (free_bb_for_insn): New.
246 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
247 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
248 (commit_one_edge_insertion): Likewise.
249 (commit_one_edge_insertion): Do not update BB boundary.
250 (commit_edge_insertions): Do not call compute_bb_for_insn.
251 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
252 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
253 (merge_blocks_move_successor_nojumps): Likewise.
254 (try_crossjump_to_edge): Do not update block_for_insn.
255 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
256 * df.c (df_pattern_emit_later): Do not update BB boundary.
257 (df_jump_pattern_emit_after): Likewise.
258 (df_insn_move_before): Use emit_insn_before.
259 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
261 (add_insn_after, add_insn_before, emit_insns_after): Update BB
262 boundaries and basic_block_for_insn.
263 (reorder_insns_nobb): Rename from reorder_insns.
264 (reorder_insns): New.
265 (emit_block_insn_before, emit_block_insn_after): Kill.
266 * flow.c (check_function_return_warnings): Do not call
267 compute_bb_for_insn; Do not free basic_block_for_insn.
268 (attempt_auto_inc): Do not update basic_block_for_insn.
269 * function.c (emit_return_into_block): Likewise;
270 do not update BB boundaries.
271 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
272 (insert_insn_end_bb): Use emit_insn_before; Likewise.
273 (pre_insert_copy_insn): Likewise.
274 (update_ld_motion_notes): Likewise.
275 (insert_insn_start_bb): Likewise.
276 (replace_store_insn): Likewise.
277 * ifcvt.c (noce_process_if_block): Likewise.
278 (if_convert): Do not call compute_bb_for_insn.
279 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
280 Use emit_insn_before and emit_insn_after.
281 * recog.c (split_all_insns): Do not update BB boundaries;
282 Do not call compute_bb_for_insn.
283 (peephole2_optimize): Do not update BB boundaries.
284 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
286 (emit_swap_insn): Likewise.
287 (convert_regs_1): Likewise.
288 * reload1.c (reload): Call compute_bb_for_insn.
289 * rtl.h (reorder_insns_nobb): Declare.
290 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
291 * toplev.c (rest_of_compilation): Call free_bb_for_insn
292 at places CFG is invalidated; do not call compute_bb_for_insn.
294 * cfg.c (expunge_block): Invalidate BB structure.
296 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
299 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
301 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
303 * cpphash.h (_cpp_lex_token): Update prototype.
304 * cpplex.c (_cpp_lex_token): New prototype.
305 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
306 lex_macro_node, read_flag, do_pragma_poison): Update.
307 * cppmacro.c (cpp_get_token, parse_params,
308 lex_expansion_token): Update.
310 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
312 * cppmain.c (scan_translation_unit): Don't worry about
313 putting a space after hashes.
314 * cpplib.c (directive_diagnostics): New.
315 (_cpp_handle_directive): Update to use directive_diagnostics.
316 (run_directive): Don't toggle prevent_expansion.
317 (do_line): Backup in case of the line extension.
318 * cpplib.h (cpp_lexer_pos): Remove.
319 * cppmacro.c (_cpp_create_definition): Precede a leading #
322 2001-09-15 Richard Henderson <rth@redhat.com>
324 * c-typeck.c (comptypes): Handle zero-length arrays properly.
326 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
328 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
330 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
333 * tradcpp.c (handle_directive): Skip non-vertical space.
335 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
337 * cppmain.c (setup_callbacks): Set line callback only
338 if outputting preprocessed source.
340 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
342 * collect2.c (main): Const-ification.
343 * gcc.c (translate_options, process_command): Use xstrdup in
344 lieu of xmalloc/strcpy.
345 (main): Use concat in lieu of xmalloc/strcpy/strcat.
347 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
349 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
352 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
354 * scan-decls.c (scan_decls): Fix typo.
356 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
358 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
359 Split mlstring_pos into mls_line and mls_col.
360 * cppinit.c (cpp_create_reader): Initialize line to 1.
361 (cpp_destroy): Free tokenruns.
362 (push_include): Don't update lexer_pos.
363 * cpplex.c (unterminated, parse_string): Update.
364 (lex_token): Don't update lexer_pos, update.
365 * cpplib.c (if_stack): Save line instead of line + col.
366 (start_directive, _cpp_do__Pragma, do_else, do_elif,
367 push_conditional, _cpp_pop_buffer): Update.
368 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
369 (_cpp_create_definition): Update.
371 2001-09-15 Eric Christopher <echristo@redhat.com>
373 * config/mips/abi64.h: Add support for MEABI.
375 2001-09-15 Eric Christopher <echristo@redhat.com>
377 * config/mips/mips.md: Add unspec #2.
379 (reload_outdi): Ditto.
380 (reload_outsi): Ditto.
383 2001-09-15 Eric Christopher <echristo@redhat.com>
384 Jason Eckhardt <jle@redhat.com>
386 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
387 * config/mips/isa32-linux.h: New file.
388 * config/mips/isa3264.h: Ditto.
389 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
390 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
391 (output_block_mode): Support MEABI.
392 (function_arg): Ditto. Fix floating point arg passing.
393 (mips_va_start): Ditto.
394 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
396 (mips_asm_file_start): Add new section to pass abi to gdb.
397 (function_arg_pass_by_reference): Support MEABI.
398 (mips_parse_cpu): Support mips32 and mips64 processors.
399 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
400 TARGET_MIPS5KC. Support isa32 and isa64.
401 (processor_type): Add r4kc, r5kc, r20kc.
402 (GENERATE_MULT3_SI): New.
403 (GENERATE_MULT3_DI): Ditto.
404 (GENERATE_MULT3): Remove.
405 (ISA_HAS_64BIT_REGS): Add isa == 64.
406 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
407 (ISA_HAS_MADD_MSUB): New.
408 (ISA_HAS_CLZ_CLO): Ditto.
409 (ISA_HAS_DCLZ_DCLO): Ditto.
410 (ABI_GAS_ASM_SPEC): New.
411 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
414 (SUBTARGET_CC1_SPEC): Ditto.
415 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
416 (PAD_VARARGS_DOWN): Support MEABI.
417 (HARD_REGNO_NREGS): Move to mips.c.
418 (ASM_OUTPUT_IDENT): Add #undef.
419 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
420 (mulsi3): Use GENERATE_MULT3_SI.
421 (mulsi3_mult3): Ditto. Support mips32, mips64.
422 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
423 (mul_sub_si): New pattern.
424 (unnamed splitters): New.
425 (muldi3): Use GENERATE_MULT3_DI.
426 (muldi3_internal2): Ditto.
427 (movdicc): Support mips32.
428 * config/mips/t-isa3264: New file.
430 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
432 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
433 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
434 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
436 * reorg.c (fill_slots_from_thread): After call to
437 steal_delay_list_from_target, update own_thread as new_thread may
440 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
442 * cpperror.c (print_location): Take line and column, for
443 default positioning use the previously lexed token.
444 (_cpp_begin_message): Take line and column.
445 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
446 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
447 * cpphash.h (_cpp_begin_message): Update prototype.
448 * cppinit.c (push_include): Don't set output line.
449 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
450 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
451 (do_pragma): Kludge for front ends. Don't expand macros at all.
452 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
453 (struct cpp_token): Remove output_line.
454 (struct cpp_callbacks): New member line_change.
455 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
456 cpp_get_token): Preserve BOL flag.
457 (cpp_get_line): Remove.
458 (_cpp_backup_tokens): Remove useless abort().
459 * cppmain.c (cb_line_change): New.
460 (scan_translation_unit): Don't worry about starting new lines here.
461 * scan-decls.c (scan_decls): Update.
462 * c-lex.c (c_lex, init_c_lex): Update.
463 (cb_line_change, src_lineno): New.
465 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
467 * tree.c (append_random_chars): Generate the random
468 characters in a reproducable fashion.
470 2001-09-14 Richard Henderson <rth@redhat.com>
472 * config/i386/i386.c (internal_label_prefix): New.
473 (internal_label_prefix_len): New.
474 (override_options): Set them.
475 (local_symbolic_operand): New.
476 (legitimate_pic_address_disp_p): Use it.
477 (legitimize_pic_address): Likewise.
479 2001-09-14 Marc Espie <espie@openbsd.org>
481 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
484 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
486 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
487 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
489 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
491 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
492 invocation of SUBREG_REGNO_OFFSET.
494 * haifa-sched.c: Fix typo in FSF copyright statement.
495 * sched-deps.c: Fix typo in FSF copyright statement.
496 * sched-ebb.c: Fix typo in FSF copyright statement.
497 * sched-rgn.c: Fix typo in FSF copyright statement.
498 * sched-vis.c: Fix typo in FSF copyright statement.
500 * config.gcc: Move inclusion of arm elf specific header files
501 from the files themselves into the tm_file variable. Make
502 sure that elfos.h is included before target specific elf
504 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
506 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
507 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
508 ASM_OUTPUT_CASE_LABEL): Protect definition.
509 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
511 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
512 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
513 Remove duplicate definition.
514 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
515 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
516 (RDATA_SECTION_FUNCTION): Remove redundant definition.
517 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
518 Remove inclusion of arm/elf.h.
519 * config/arm/unknown-elf.h: as for conix-elf.h.
520 (STARTFILE_SPEC): Include crti.o and crtn.o.
521 * config/arm/linux-elf.h: as for conix-elf.h.
522 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
523 * config/arm/strongarm-elf.h: Remove inclusion of
525 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
526 * config/arm/unknown-elf-oabi.h: Remove inclusion of
527 unknown-elf.h and elf.h.
528 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
529 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
530 ASM_WEAKEN_LABEL): Remove redundant definition.
531 * config/arm/elf.h: Test for inclusion of elfos.h
532 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
533 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
534 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
535 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
536 redundant definition.
537 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
538 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
539 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
540 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
541 Add rules to build crti.o and crtn.o
542 * crti.asm: New file.
543 * crtn.asm: New file.
545 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
547 * c-parse.in (_yylex): Use _cpp_backup_tokens.
548 * cpphash.h (struct tokenrun): Add prev.
549 (struct lexer_state): Remove bol.
550 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
551 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
553 * cppinit.c (cpp_create_reader): Don't set bol.
554 (cpp_destroy): Don't free lookaheads.
555 * cpplex.c (lex_directive): Remove.
556 (next_tokenrun): Update.
557 (_cpp_lex_token): Clean up logic.
558 (lex_token): Update to return a pointer to lexed token, since it
559 can move to the start of the buffer. Simpify newline handling.
560 * cpplib.c (SEEN_EOL): Update.
561 (skip_rest_of_line): Remove lookahead stuff.
562 (end_directive): Line numbers are already incremented. Revert
563 to start of lexed token buffer if we can.
564 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
565 parse_answer): Use _cpp_backup_tokens.
566 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
567 instead. Don't check for EOL.
568 (do_include_common, do_line, do_pragma_system_header): Use
570 * cpplib.h (BOL, _cpp_backup_tokens): New.
571 * cppmacro.c (save_lookahead_token, take_lookahead_token,
572 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
573 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
574 (builtin_macro): Don't use cpp_get_line.
575 (cpp_get_line): Short term kludge.
576 (parse_arg): Handle directives in arguments here. Back up when
577 appropriate. Store EOF at end of argument list.
578 (funlike_invocation_p): Use _cpp_backup_tokens.
579 (push_arg_context): Account for EOF at end of list.
580 (cpp_get_token): Remove lookahead stuff. Update.
582 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
584 * c-parse.in (yyerror): Const-ification and/or static-ization.
585 * c-typeck.c (push_member_name): Likewise.
586 * collect2.c (main): Likewise.
587 * dbxout.c (dbxout_parms): Likewise.
588 * diagnostic.c (format_with_decl): Likewise.
589 * dwarf2out.c (output_ranges): Likewise.
590 * dwarfout.c (fundamental_type_code): Likewise.
591 * except.c (dw2_output_call_site_table): Likewise.
592 * gcc.c (do_spec_1): Likewise.
593 * genopinit.c (optabs): Likewise.
594 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
595 gen_declaration_1, handle_impent): Likewise.
596 * protoize.c (default_include, in_system_include_dir, abspath):
598 * sched-vis.c (visualize_stall_cycles): Likewise.
599 * sdbout.c (plain_type_1, sdbout_end_function,
600 sdbout_end_epilogue): Likewise.
601 * varasm.c (decode_reg_name): Likewise.
603 * 1750a.c (mod_regno_adjust): Likewise.
604 * alpha.c (alpha_write_one_linkage,
605 unicosmk_output_default_externs): Likewise.
606 * arm.c (arm_condition_codes): Likewise.
607 * arm.h (arm_condition_codes): Likewise.
608 * avr.c (output_movsisf, encode_section_info): Likewise.
609 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
611 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
612 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
613 * m88k.c (output_function_profiler): Likewise.
614 * mips.c (mips_output_conditional_branch): Likewise.
615 * ns32k.c (ns32k_out_reg_names): Likewise.
616 * ns32k.h (ns32k_out_reg_names): Likewise.
617 * pj.c (pj_output_rval): Likewise.
618 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
619 * sparc.c (sparc_flat_function_prologue,
620 sparc_flat_function_epilogue): Likewise.
622 2001-09-13 Markus Werle <numerical.simulation@web.de>
623 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
625 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
626 Aachen University of Technology".
628 2001-09-13 Andreas Schwab <schwab@suse.de>
630 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
633 2001-09-13 Richard Henderson <rth@redhat.com>
635 * config/alpha/alpha.c (small_symbolic_operand): New.
636 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
637 (some_operand, input_operand): Don't handle HIGH.
638 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
639 (alpha_expand_mov): Likewise.
640 (print_operand) [H]: Just print HIGH symbol.
641 (print_operand_address): Handle small data.
642 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
643 (TARGET_SWITCHES): Add -msmall-data/large-data.
644 (PIC_OFFSET_TABLE_REGNUM): New.
645 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
646 (PREDICATE_COES): Update.
647 * config/alpha/alpha.md (adddi_er_high): New.
648 (adddi_er_low): Handle small data.
649 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
650 prefer .sdata to .rodata.
651 (SELECT_RTX_SECTION): Likewise.
653 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
655 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
656 defining __size_t and leaving size_t undefined.
658 2001-09-12 Diego Novillo <dnovillo@redhat.com>
660 * basic-block.h (expunge_block): Declare.
661 * cfg.c (expunge_block): Remove static declaration.
663 2001-09-12 Richard Henderson <rth@redhat.com>
665 * integrate.c (copy_insn_list): Copy label name from
666 NOTE_INSN_DELETED_LABEL.
668 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
670 * c-common.c (c_tree_code_name): Const-ification.
671 * c-decl.c (c_decode_option): Likewise.
672 * c-typeck.c (warn_for_assignment): Likewise.
673 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
675 * cppinit.c (output_deps): Likewise.
676 * dependence.c (dependence_string, direction_string): Likewise.
677 * dwarf2out.c (output_ranges): Likewise.
678 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
679 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
680 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
681 standard_startfile_prefix, standard_startfile_prefix_1,
682 standard_startfile_prefix_2, tooldir_base_prefix,
683 standard_bindir_prefix, find_a_file): Likewise.
684 * genattrtab.c (make_length_attrs): Likewise.
685 * gencheck.c (tree_codes): Likewise.
686 * genemit.c (gen_split): Likewise.
687 * genrecog.c (special_mode_pred_table): Likewise.
688 * graph.c (graph_ext): Likewise.
689 * protoize (default_include): Likewise.
690 * reload.c (reload_when_needed_name): Likewise.
691 * sched-vis.c (visualize_stall_cycles): Likewise.
692 * tlink.c (recompile_files): Likewise.
693 * toplev.c (decode_g_option): Likewise.
694 * tradcpp.c (output_deps): Likewise.
695 * varasm.c (decode_reg_name): Likewise.
697 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
700 * avr.c (avr_regnames, encode_section_info): Likewise.
701 * c4x.c (float_reg_names): Likewise.
702 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
703 * elfos.h (const_section): Likewise.
704 * i386.c (ix86_comp_type_attributes): Likewise.
705 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
706 * ia64/aix.h (UNIQUE_SECTION): Likewise.
707 * ia64.c (type_names): Likewise.
708 * m68hc11.c (reg_class_names): Likewise.
709 * m88k.c (m_options): Likewise.
710 * mips.c (mips_output_conditional_branch, mips_unique_section):
712 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
713 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
714 ultra_code_names): Likewise.
715 * sparc.h (OVERRIDE_OPTIONS): Likewise.
717 2001-09-12 Jakub Jelinek <jakub@redhat.com>
719 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
720 Use --fatal-warnings option for gas.
721 * configure: Rebuilt.
723 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
725 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
727 2001-09-11 Jim Wilson <wilson@redhat.com>
729 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
731 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
733 * builtins.c (c_strlen): Treat an offset too large for a
734 HOST_WIDE_INT as out of range.
736 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
738 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
739 (EDGE_CRITICAL_P): New predicate.
740 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
742 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
743 (dump_edge_info): Remove "crit".
744 * cfganal.c (mark_critical_edges): Kill.
745 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
746 * cfgcleanup.c (cleanup_cfg): Likewise.
747 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
748 (find_spanning_tree): Likewise.
749 * reg-stack.c (convert_regs_1): Likewise.
750 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
752 * basic-block.h (create_basic_block_structure): New.
753 (create_basic_block): Update prototype.
754 (force_nonfallthru): New.
755 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
756 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
757 handle updating of block_for_insn, creating of empty BBs and BBs at
758 the end of INSN chain.
759 (create_basic_block): New function.
760 (split_block): Use create_basic_block.
761 (force_nonfallthru_and_redirect): Break out from ...; cleanup
762 (redirect_edge_and_branch_force): ... here.
763 (force_nonfallthru): New.
764 (split_edge): Rewrite to use force_nonfallthru and create_block.
765 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
766 (find_basic_blocks): Free basic_block_for_insn.
767 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
769 * cfg.c: Fix formating.
770 * cfgcleanup.c: Fix formating.
771 (merge_blocks, tail_recursion_label_p): Return bool.
772 (merge_blocks_move_predecessor_nojumps,
773 merge_blocks_move_successor_nojumps): Return void.
775 2001-09-11 Jakub Jelinek <jakub@redhat.com>
777 * configure.in: Check whether assembler supports section merging.
778 * config.in: Rebuilt.
779 * configure: Rebuilt.
780 * varasm.c (variable_section, output_constant_pool): Pass alignment
781 to SELECT_SECTION and SELECT_RTX_SECTION.
782 (mergeable_string_section): New.
783 (mergeable_constant_section): New.
784 (default_elf_asm_named_section): Output SECTION_MERGE and
785 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
786 * output.h (mergeable_string_section): New.
787 (mergeable_constant_section): New.
788 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
789 * toplev.c (flag_merge_constants): New.
790 (f_options): Add -fmerge-constants and -fmerge-all-constants
792 (toplev_main): Default to -fno-merge-constants if not optimizing.
793 * flags.h (flag_merge_constants): Add extern.
794 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
795 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
797 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
798 Define if assembler has working .subsection -1 support.
799 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
800 Put constant into special SHF_MERGE sections if the linker should
801 attempt to merge duplicates.
802 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
804 Put constant into special SHF_MERGE sections if the linker should
805 attempt to merge duplicates.
806 * config/alpha/elf.h: Likewise.
807 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
808 has working .subsection -1 support.
809 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
811 * config/svr3.h: Likewise.
812 * config/darwin.h: Likewise.
813 * config/arm/aof.h: Likewise.
814 * config/arm/linux-elf.h: Likewise.
815 * config/avr/avr.h: Likewise.
816 * config/c4x/c4x.h: Likewise.
817 * config/d30v/d30v.h: Likewise.
818 * config/i386/dgux.h: Likewise.
819 * config/i386/osfrose.h: Likewise.
820 * config/i386/sco5.h: Likewise.
821 * config/i386/svr3gas.h: Likewise.
822 * config/ia64/aix.h: Likewise.
823 * config/m32r/m32r.h: Likewise.
824 * config/m68k/m68k.h: Likewise.
825 * config/m88k/dgux.h: Likewise.
826 * config/m88k/m88k.h: Likewise.
827 * config/mcore/mcore-pe.h: Likewise.
828 * config/mips/mips.h: Likewise.
829 * config/pa/pa.h: Likewise.
830 * config/pa/pa-linux.h: Likewise.
831 * config/romp/romp.h: Likewise.
832 * config/rs6000/sysv4.h: Likewise.
833 * config/rs6000/xcoff.h: Likewise.
834 * config/s390/linux.h: Likewise.
835 * config/sparc/sparc.h: Likewise.
836 * config/sparc/sysv4.h: Likewise.
837 * config/stormy16/stormy16.h: Likewise.
838 * config/v850/v850.h: Likewise.
839 * config/vax/vms.h: Likewise.
840 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
841 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
842 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
843 default_elf_asm_named_section for SHF_MERGE sections.
845 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
847 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
850 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
852 * c-common.c (split_specs_attrs): Allow for empty attributes with
853 empty TREE_PURPOSE. Fixes PR c/4294.
855 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
857 * basic-block.h (cached_make_edge, make_single_succ): New.
858 (make_edge): Remove first parameter.
859 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
860 * cfg.c (cached_make_edge): Rename from make_edge; return newly
861 created edge; use obstack allocation.
862 (make_edge, make_single_succ_edge): New.
863 (first_removed_edge): New static variable.
864 (init_flow): Initialize first_removed_edge and n_edges.
865 (clear_edges): Use remove_edge.
866 (flow_delete_block): Likewise.
867 (remove_edge): Add removed edges to the removed edges list.
868 (split_block, redirect_edge_and_branch_force, split_edge):
870 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
871 (add_noreturn_fake_exit_edges): Likewise.
872 (connect_infinite_loops_to_exit): Liekwise.
873 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
874 Use cached_make_edge.
875 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
876 * profile.c (branch_prob): Update make_edge call.
877 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
879 2001-09-11 Richard Henderson <rth@redhat.com>
881 * config/alpha/alpha.c: Tidy formatting.
882 (local_symbolic_operand): Verify mode.
883 (alpha_sa_mask): Ignore unicos for eh_return.
884 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
885 * config/alpha/alpha.md (umk divsi patterns): Remove.
886 (extendsfdf2): Remove unicos check.
887 (tablejump): Merge vms and unicos code; always use direct set
890 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
892 * config.gcc (alpha*-*-unicosmk*): New target.
894 * config/alpha/alpha-protos.h (symbolic_operand,
895 unicosmk_add_call_info_word, unicosmk_add_extern,
896 unicosmk_defer_case_vector, unicosmk_unique_section,
897 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
898 unicosmk_asm_file_start, unicosmk_asm_file_end,
899 unicosmk_output_common): Declare.
901 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
902 direct_return, function_arg, alpha_va_start, alpha_va_arg,
903 alpha_does_function_need_gp, alpha_end_function): Support Cray
905 (alpha_init_machine_status, alpha_mark_machine_status,
906 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
907 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
908 unicosmk_asm_named_section, unicosmk_insert_attributes,
909 unicosmk_section_type_flags, symbolic_operand,
910 unicosmk_output_module_name, unicosmk_output_default_externs,
911 unicosmk_output_dex, unicosmk_output_externs,
912 unicosmk_output_addr_vec, unicosmk_ssib_name,
913 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
914 unicosmk_asm_file_end, unicosmk_output_common,
915 unicosmk_section_type_flags, unicosmk_unique_section,
916 unicosmk_add_call_info_word, unicosmk_text_section,
917 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
918 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
919 unicosmk_dex_count, unicosmk_special_name): New.
920 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
922 (get_aligned_mem, alpha_expand_unaligned_load,
923 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
924 alpha_expand_unaligned_store_words): Support big-endian mode.
925 (print_operand): Likewise. New format specifier 't'. Use
926 TARGET_AS_SLASH_BEFORE_SUFFIX.
927 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
928 (alpha_pv_save_size): Update with above change.
929 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
930 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
933 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
934 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
935 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
936 (EXTRA_CONSTRAINT): New constraint 'U'.
937 (PREDICATE_CODES): Add symbolic_operand.
939 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
940 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
941 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
942 (integer division and modulus patterns): Split in default and
944 (*divmodsi_internal, *divmoddi_internal): Disable for
946 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
947 little-endian and big-endian versions.
948 (ext, ins, msk): Likewise.
949 (extv, extzv, insv): Support big-endian mode.
950 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
951 (call_umk, call_value_umk, *call_umk, tablejump_umk,
952 *tablejump_umk_internal, *call_value_umk): New.
953 (*movdi_nofix): Add pattern for loading an address into a register on
955 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
956 (umk_mismatch_args, arg_home_umk): New.
957 (various insns): Don't use mov, fmov, nop, fnop and unop.
958 (realign): Support TARGET_ABI_UNICOSMK.
960 * config/alpha/unicosmk.h: New file.
961 * config/alpha/t-unicosmk: New file.
963 * fixinc/inclhack.def (unicosmk_restrict): New.
964 * fixinc/fixincl.x: Regenerate.
966 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
967 (wchar_t): Check for and define __WCHAR_T__.
969 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
971 * combine.c (simplify_shift_const): Treat shifts by the mode
974 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
976 * cpphash.h (struct tokenrun): New.
977 (struct cpp_context): New member bol.
978 (struct cpp_reader): New members.
979 (_cpp_init_tokenrun): New.
980 * cppinit.c (cpp_create_reader): Set up the token runs.
981 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
982 (lex_token): New internalised version of _cpp_lex_token. Don't
983 handle directives or the multiple include opimisation here any
984 more. Simply lex a token.
985 * cpplib.c (run_directive): Clear bol.
986 (_cpp_pop_buffer): Set bol.
987 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
990 2001-09-11 Michael Meissner <meissner@redhat.com>
992 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
993 give an error if the user uses -mfp32.
994 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
996 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
997 floating point register size.
998 (EXTRA_SPECS): Add CPP_FPR_SPEC.
1000 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
1001 HOST_WIDE_INT_PRINT_DEC to properly print the result of
1003 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1004 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
1006 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
1008 * dbxout.c (dbxout_parms): Fix typo in comment.
1009 * unroll.c (loop_find_equiv_value): Ditto.
1010 * toplev.c (rest_of_compilation): Ditto.
1011 * loop.c (scan_loop): Ditto.
1012 * dwarf2out.c (struct dw_fde_struct): Ditto.
1014 2001-09-10 Zack Weinberg <zackw@panix.com>
1016 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
1017 copying identifier when we're just going to throw it away.
1018 (parse_identifier_slow): New routine to handle abnormal cases.
1019 (_cpp_lex_token): Update call site.
1021 * hashtable.c (ht_lookup): Don't assume that the string we've
1022 been given is NUL-terminated.
1023 * system.h: #define __builtin_expect(a, b) to (a) if not
1026 2001-09-10 Michael Meissner <meissner@redhat.com>
1028 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
1031 2001-09-10 David Edelsohn <edelsohn@gnu.org>
1033 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
1035 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1037 * builtins.c (c_getstr): Correct thinko in last change and further
1040 2001-09-10 Tim Freeman <tim@fungibole.com>
1042 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
1043 into varray's and register them as roots with the garbage
1044 collector so they are not collected too soon.
1046 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
1048 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
1050 * basic-block.h (flow_obstack, label_value_list,
1051 tail_recursion_label_list): Declare
1052 (tidy_fallthru_edges): Declare.
1053 (expunge_block, last_loop_beg_note): Delete.
1054 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
1056 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
1057 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
1058 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
1059 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
1060 expunge_block, flow_delete_block, compute_bb_for_insn,
1061 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
1062 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
1063 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
1064 try_redirect_by_replacing_jump, last_loop_beg_note,
1065 redirect_edge_and_branch, redirect_edge_and_branch_force,
1066 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
1067 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
1068 commit_edge_insertions, dump_flow_info, debug_flow_info,
1069 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
1070 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
1071 Move here from flow.c
1072 * cfganal.c: New file.
1073 (forwarder_block_p, can_fallthru, mark_critical_edges,
1074 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
1075 find_unreachable_blocks, create_edge_list, free_edge_list,
1076 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
1077 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
1078 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
1079 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
1080 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
1081 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
1082 Move here from flow.c
1083 * cfgbuild.c: New file
1084 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
1085 make_edges, find_basic_blocks_1, find_basic_blocks,
1086 find_sub_basic_blocks): Move here from flow.c
1087 * cfgcleanup.c: New file.
1088 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
1089 merge_blocks_move_predecessor_nojumps,
1090 merge_blocks_move_successor_nojumps, merge_blocks,
1091 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1092 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
1093 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
1095 * cfgloop.c: New file
1096 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
1097 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
1098 flow_loop_exit_edges_find, flow_loop_nodes_find,
1099 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1100 flow_loop_tree_node_add, flow_loops_tree_build,
1101 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
1102 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
1103 Move here from flow.c
1104 * flow.c: Remove everything moved elsewhere
1105 * output.h (cleanup_cfg): Return bool.
1107 * bb-reorder.c (reorder_block_def): Remove 'index'.
1108 (insert_intra_1): Add argument BB, set block for new note.
1109 (make_reorder_chain): Do not depdent on BB indexes.
1110 (make_reorder_chain_1): Do not use BB indexes.
1111 (label_for_bb): Likewise; set BB for new insn.
1112 (emit_jump_to_block_after): Likewise.
1113 (fixup_reoder_chain): Sanity check that all basic blocks
1114 are chained; verify newly created insn chain; remove
1115 undocnitional jump simplifying; Do not use BB indexes;
1116 properly initialize count and frequency information;
1117 dump reordered sequence.
1118 (insert_intra_bb_scope_notes): update call of insert_intra_1.
1119 (insert_inter_bb_scope_notes): Set block for new insn.
1120 (reorder_basic_blocks): Dump flow info before reoredering.
1122 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1124 * alias.c (clear_reg_alias_info): Use K&R format definition.
1125 Avoid unsigned warning.
1126 * builtins.c: Use "unsigned int", not "unsigned".
1127 (target_char_cast): Use host_integerp and tree_low_cst.
1128 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
1129 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
1130 (c_getstr): Likewise.
1131 (std_expand_builtin_va_arg): Use int_size_in_bytes.
1132 (builtin_memcpy_read_str): Avoid unsigned warning.
1133 (expand_builtin_memcpy): Alignments are unsigned.
1134 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
1135 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
1136 * predict.c (expensive_function_p): LIMIT now unsigned.
1137 * resource.c (mark_target_live_regs): Make some vars unsigned.
1138 * sdbout.c: Use "unsigned int", not "unsigned".
1139 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
1140 (sdbout_source_line): Likewise.
1141 (sdbout_record_type_name): Remove "const" for NAME declaration.
1142 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
1144 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
1146 * calls.c (store_one_arg): Expand comment.
1148 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1150 * calls.c (store_one_arg): Make sure that the entire argument is
1151 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
1153 2001-09-09 Richard Henderson <rth@redhat.com>
1155 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
1157 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1159 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
1161 2001-09-09 Richard Henderson <rth@redhat.com>
1163 * config/alpha/alpha.c (alpha_next_sequence_number): New.
1164 (alpha_this_literal_sequence_number): New.
1165 (alpha_this_gpdisp_sequence_number): New.
1166 (some_operand, input_operand): Add HIGH.
1167 (local_symbolic_operand): New.
1168 (alpha_encode_section_info): New.
1169 (alpha_legitimate_address_p): Allow LO_SUM.
1170 (alpha_legitimize_address): Generate HIGH+LO_SUM.
1171 (alpha_expand_mov): Likewise.
1172 (secondary_reload_class): Check memory_operand not general_operand
1174 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
1175 (alpha_expand_unaligned_store): Likewise.
1176 (alpha_expand_unaligned_load_words): Likewise.
1177 (alpha_expand_unaligned_store_words): Likewise.
1178 (alpha_expand_block_clear): Likewise.
1179 (print_operand): Handle %#, %*, %H.
1180 (print_operand_address): Handle LO_SUM.
1182 (alpha_does_function_need_gp): Use it.
1183 (alpha_expand_block_move): Fix signed compare warnings.
1184 (alpha_sa_mask, alpha_align_insns): Likewise.
1185 * config/alpha/alpha-protos.h: Update.
1186 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
1187 (MASK_EXPLICIT_RELOCS): New.
1188 (TARGET_SWITCHES): Add -mexplicit-relocs.
1189 (EXTRA_CONSTRAINT): Add 'T'.
1190 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
1191 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
1192 (ENCODE_SECTION_INFO): Out line.
1193 (REDO_SECTION_INFO_P): New.
1194 (STRIP_NAME_ENCODING): New.
1195 (ASM_OUTPUT_LABELREF): New.
1196 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
1197 (PREDICATE_CODES): Update.
1198 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
1199 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
1200 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
1201 builtin_setjmp_receiver_er, exception_receiver_1_er,
1202 call_value_osf_1_er): New patterns.
1203 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
1204 (movqi, movhi, movsi): Add explicit $31 base register to lda.
1205 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
1206 (FINAL_PRESCAN_INSN): New.
1208 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
1210 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
1212 2001-09-08 Andreas Jaeger <aj@suse.de>
1214 * i386.h (TARGET_SWITCHES): Fix description.
1216 2001-09-07 David Edelsohn <edelsohn@gnu.org>
1218 * rs6000.c (num_insns_constant): Compute number of instructions
1221 * doc/install.texi: Explain AIX exception handling work-around.
1222 Update URL for AIX fixes.
1224 2001-09-07 Jim Wilson <wilson@redhat.com>
1226 * alias.c (clear_reg_alias_info): New.
1227 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
1228 * rtl.h (clear_reg_alias_info): Declare.
1230 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1232 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
1234 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
1235 (m16m,edivm,emulm): Change declaration to match definition.
1237 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1239 * reload.c (push_reload): Check for subreg_lowpart_p instead of
1240 SUBREG_BYTE being 0 when determining if the inner part of a subreg
1243 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1245 * c-common.c (signed_or_unsigned_type): Handle machine mode types
1246 which have no corresponding C type.
1247 * fold_const.c (target_isinf,target_isnan,target_negative): Update
1248 the representation of 64-bit doubles to work with 64-bit ints.
1250 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
1252 * config/mips/mips.c (override_options): Do not override ISA when ABI
1253 specified if MIPS_CPU_STRING_DEFAULT was specified.
1255 2001-09-07 Richard Henderson <rth@redhat.com>
1257 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
1258 (express_from_1): Wrap lines.
1259 * rtlanal.c (commutative_operand_precedence): Rename from
1260 operand_preference; export.
1261 * rtl.h: Declare it.
1262 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
1263 (simplify_binary_operation): Invoke simplify_plus_minus on
1264 (CONST (PLUS ...)) as well.
1265 (struct simplify_plus_minus_op_data): New.
1266 (simplify_plus_minus_op_data_cmp): New.
1267 (simplify_plus_minus): Use them. Avoid infinite recursion with
1268 simplify_binary_operation wrt CONST.
1270 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
1272 * h8300-protos.h (general_operand_dst_push): Remove.
1273 * h8300.c (general_operand_dst_push): Likewise.
1274 * h8300.h (OK_FOR_T): Likewise.
1275 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
1276 * h8300.md (pushqi_h8300): New.
1277 (pushqi_h8300hs): Likewise.
1279 (pushhi_h8300): Likewise.
1280 (pushhi_h8300hs): Likewise.
1283 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1285 * genattrtab.c (attr_printf): First arg is unsigned.
1286 Clean up formatting of callers.
1288 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
1290 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
1293 2001-09-07 Andreas Jaeger <aj@suse.de>
1295 * i386.h (TARGET_SWITCHES): Fix descriptions.
1297 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1299 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
1301 2001-09-06 Ira Ruben <ira@apple.com>
1303 Remove OP_IDENTIFIER.
1304 * tree.def (OP_IDENTIFIER): Remove.
1305 * tree.c (tree_node_kind enum): Remove op_id_kind.
1306 (tree_node_kind_names): Remove "op_identifiers".
1307 (make_node): Remove OP_IDENTIFIER test.
1308 (build_op_identifier): Removed because it isn't being used.
1309 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
1310 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
1312 2001-09-06 Richard Henderson <rth@redhat.com>
1314 * simplify-rtx.c (simplify_binary_operation): Revert last change.
1316 2001-09-06 Richard Henderson <rth@redhat.com>
1318 * simplify-rtx.c (simplify_binary_operation): Simplify contents
1321 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1323 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
1324 number used for CR register.
1326 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1327 Joern Rennecke (amylaar@cygnus.com)
1329 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
1330 * h8300.c (initial_offset): Handle offset between RP and FP.
1331 (h8300_return_addr_rtx): New function.
1332 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
1334 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
1335 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
1336 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
1337 (CAN_ELIMINATE, REGISTER_NAMES):
1338 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
1340 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
1342 Remove TYPE_NONCOPIED_PARTS.
1343 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
1344 (struct tree_type): Remove noncopied_parts.
1345 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
1346 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
1347 (fixed_type_p): Remove.
1348 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
1349 (expand_expr, MODIFY_EXPR): Likewise.
1350 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
1351 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
1353 2001-09-06 Alan Modra <amodra@bigpond.net.au>
1355 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
1357 (mask64_operand): Likewise.
1358 (includes_rldic_lshift_p): Likewise.
1359 (includes_rldicr_lshift_p): Likewise.
1361 2001-09-05 Ziemowit Laski <zlaski@apple.com>
1363 * objc/objc-act.c (build_message_expr): If a class method cannot
1364 be found, do not issue a warning if a corresponding instance
1365 method exists in the root class.
1367 2001-09-05 Richard Henderson <rth@redhat.com>
1369 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
1371 2001-09-05 Zack Weinberg <zack@codesourcery.com>
1373 * function.c (ggc_mark_struct_function): Mark f->outer.
1374 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
1375 * integrate.c (output_inline_function): ... not here.
1377 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1379 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
1381 * i386.c (size_cost): New static variable.
1382 (override_function): Use size_cost when -Os is specified.
1384 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
1385 properly; Use current_function_calls_eh_return.
1386 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
1387 use leave to avoid depdendancy chain.
1389 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
1390 get BB loop_depth instead of computing it from LOOP notes.
1392 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
1394 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1396 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1397 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1398 UNALIGNED_DOUBLE_INT_ASM_OP): Define
1400 2001-09-05 Jeffrey A Law (law@cygnus.com)
1401 Jason Merrill (jason@redhat.com)
1403 * stor-layout.c (layout_type): Complain if an array's size can
1404 not be represented in a size_t.
1406 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
1408 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
1410 * gcc.c: (process_command) Add parentheses around assignment
1411 used as truth value.
1413 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1415 * config/mips/mips.c (save_restore_insns): Don't mark any register
1416 save slots as unchanging if current_function_calls_eh_return.
1418 2001-09-05 Richard Henderson <rth@redhat.com>
1420 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
1421 * config/alpha/alpha-protos.h: Declare it.
1422 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
1423 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
1424 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
1425 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
1426 (REG_OK_FOR_BASE_P): Select one of the above.
1428 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1430 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
1431 (crti.o): Prefix name of object file with $(T).
1434 2001-09-05 David S. Miller <davem@redhat.com>
1436 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
1437 * config/sparc/linux64.h: Likewise.
1439 2001-09-05 Andreas Jaeger <aj@suse.de>
1441 * doc/invoke.texi (i386 Options): -mwide-multiply is not
1442 available anymore, remove the documentation.
1443 (i386 Options): Fix typo, cleanup index entries.
1445 * prefix.c (concat): Remove, we can use the version from liberty.
1447 2001-09-05 Richard Henderson <rth@redhat.com>
1449 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
1450 New functions split out of md file expanders.
1451 * config/alpha/alpha-protos.h: Declare them.
1452 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
1454 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
1456 * cppmacro.c (funlike_invocation_p): No need to restore context.
1458 2001-09-04 Richard Henderson <rth@redhat.com>
1460 * reload.c (push_reload): Export.
1461 * reload.h (push_reload): Declare it.
1463 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
1464 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1465 * config/alpha/alpha.c (alpha_legitimize_address): New.
1466 (alpha_legitimize_reload_address): Likewise.
1467 * config/alpha/alpha-protos.h: Declare them.
1469 2001-09-04 Stan Shebs <shebs@apple.com>
1471 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
1472 * config/darwin.c (machopic_stub_name): Account for internally
1473 generated lib calls such as memcpy.
1475 2001-09-04 Richard Henderson <rth@redhat.com>
1477 * unwind.h (_UA_END_OF_STACK): New flag.
1478 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
1480 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1482 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
1484 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
1486 * config/mips/mips.c (save_restore_insns): Change base_offset to
1487 fp_offset in second call to mips_emit_frame_related_store.
1489 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
1491 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
1492 sometimes be represented as a NOTE of type
1493 NOTE_INSN_DELETED_LABEL.
1494 (Insns): Document NOTE_INSN_DELETED_LABEL.
1496 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
1498 * c-common.h (tree_dump_index): Add more comments.
1499 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
1500 (dump_option_value_info): New struct.
1501 (dump_options): New array.
1502 (dump_switch_p): Parse switch options symbolically.
1503 * doc/invoke.texi (-fdump-ast): Rename to ...
1504 (-fdump-tree): ... here. Document that options are symbolic, and
1505 not all are applicable.
1507 2001-09-04 David S. Miller <davem@redhat.com>
1509 * config/sparc/sparc.md (define_splits): Kill constraints.
1511 Cleanup redundant and unused insn attributes.
1512 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
1513 binary, and move. Mark ialu as default.
1514 (commented out define_function_unit "alu"): Kill.
1515 (define_attr "use_clobbered"): Kill.
1516 (whole file): Kill address insn type references. Replace
1517 all unary/binary/move references with ialu.
1518 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
1519 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
1522 Simplify length insn attribute and make more judicious use
1523 of insn attribute defaulting.
1524 * config/sparc/sparc.md (all insns with length > one): Mark as
1525 insn type multi if real instructions, else use default if
1526 it is a forced splitter.
1527 (all insns with length == one): Use default insn length.
1528 (all insns of type ialu): Use default insn type.
1530 Fix erroneous insn attribute settings.
1531 (addx): Set insn type to misc.
1532 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
1533 const_umulsidi3_sp64): Set insn type to imul.
1535 Track SFmode vs DFmode insns according to UltraSPARC
1537 * config/sparc/sparc.md ("fptype"): New attribute, default
1539 (all DFmode single insns): Mark as fptype "double".
1541 2001-09-03 Jakub Jelinek <jakub@redhat.com>
1543 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
1545 2001-09-03 Richard Henderson <rth@redhat.com>
1547 * function.h (struct function): Add arg_pointer_save_area_init.
1548 * function.c (expand_function_end): Init arg_pointer_save_area.
1549 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
1550 when called from a nested function.
1552 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
1554 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
1557 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1559 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
1561 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
1563 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
1564 (emit_push_insn): Use specified padding direction when
1565 STACK_PUSH_CODE is POST_INC.
1567 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
1569 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1571 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
1573 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
1575 * cppinit.c (cpp_start_read): Free the imacros list as we
1576 traverse it. Don't free the chains before returning.
1577 (_cpp_push_next_buffer): Only try pushing buffers if we've
1578 completed -imacros handling.
1580 2001-08-31 Eric Christopher <echristo@redhat.com>
1582 * gcc.c (handle_braces): Add explaination for abort.
1584 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
1586 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
1587 move adjustment of bitpos instead.
1589 2001-08-31 Zack Weinberg <zack@codesourcery.com>
1591 * function.c: Remove all_functions. Make outer_function_chain
1593 (init_function_start): Don't add new function structure to
1595 (find_function_data, push_function_context_to,
1596 pop_function_context_from, put_var_into_stack,
1597 trampoline_address): Update for changed structure element names.
1598 (push_function_context_to): Disentangle.
1599 (free_after_compilation): Also free F.
1600 (expand_dummy_function_end): Don't free cfun here.
1601 (put_var_into_stack): Comment why we can't use find_function_data here.
1602 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
1603 (mark_function_chain): Split into maybe_mark_struct_function and
1604 ggc_mark_struct_function. Export the latter.
1605 (init_function_once): Mark from cfun and outer_function_chain;
1608 * function.h (struct function): Kill next_global. Rename next
1609 to outer. All users updated to match.
1610 (all_functions, outer_function_chain): Don't declare.
1612 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
1613 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
1614 don't touch f->inlinable, after calling rest_of_compilation.
1616 * tree.h: Forward-declare struct function. Prototype
1617 ggc_mark_struct_function.
1619 2001-08-31 Kazu Hirata <kazu@hxi.com>
1621 * config/h8300/h8300.md (*andorhi3): Fix typos.
1623 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1625 * calls.c (emit_library_call_value): Don't use a fixed
1626 argument after VA_CLOSE, i.e. out of scope in traditional C.
1628 * emit-rtl.c (gen_rtvec): Likewise.
1630 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1632 * Makefile.in (c-pragma.o): Depend on output.h.
1633 (reorg.o): Depend on except.h.
1635 * c-pragma.c: Include output.h.
1637 * reorg.c: Include except.h.
1639 * unwind-dw2.c: Call __builtin_alloca, not alloca.
1641 2001-08-31 Richard Henderson <rth@redhat.com>
1643 * sched-deps.c (add_dependence): Don't elide dependancy if the
1644 conditional used by insn is modified in elem.
1646 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
1648 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
1650 2001-08-31 Diego Novillo <dnovillo@redhat.com>
1652 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
1655 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1657 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
1659 (stormy16_asm_out_constructor): New function.
1660 (TARGET_ASM_CONSTRUCTOR): Define.
1661 (TARGET_ASM_DESTRUCTOR): Define.
1663 2001-08-31 Andreas Jaeger <aj@suse.de>
1665 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
1666 * loop.c (add_label_notes): Likewise.
1667 * reload.c (find_reloads): Likewise.
1668 * config/sh/sh.c (machine_dependent_reorg): Likewise.
1670 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
1672 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
1673 code here. Take _Unwind_{W,Sw}ord*.
1674 (read_encoded_value_with_base): Use them.
1675 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
1677 (extract_cie_info): Simplify read_?leb128 handling.
1678 (execute_stack_op, execute_cfa_program): Likewise.
1679 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
1681 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1683 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
1684 the frame pointer to pop the stack if convenient.
1686 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
1687 Don't use post-increment before combine.
1688 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
1689 a call-saved register.
1691 2001-08-31 Andreas Jaeger <aj@suse.de>
1693 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
1696 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
1698 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
1699 not DIV/MOD, of course.
1701 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
1703 * rtl.def: Undo my patch commited 2001-08-27.
1705 * genattrtab.c: Ditto.
1709 * sched-int.h: Ditto.
1711 * target-def.h: Ditto.
1715 * haifa-sched.c: Ditto.
1717 * sched-rgn.c: Ditto.
1719 * sched-vis.c: Ditto.
1721 * Makefile.in: Ditto.
1723 * doc/md.texi: Ditto.
1725 * doc/tm.texi: Ditto.
1727 * doc/contrib.texi: Ditto.
1729 * doc/gcc.texi: Ditto.
1731 * genattrtab.h: Remove it.
1733 * genautomata.c: Remove it.
1735 * genattr.c: Undo my patch and Richard Henderson's patch commited
1738 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
1740 * config.gcc (h8300-*-elf*): New case.
1741 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
1742 (SUBTARGET_CPP_SPEC): Define.
1743 (EXTRA_SPECS): Define.
1744 (SUBTARGET_EXTRA_SPECS): Define.
1745 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
1746 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
1748 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
1750 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
1751 (LIB2FUNCS_EXTRA): Define.
1752 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
1753 config/h8300/fixunssfsi.c: New file.
1755 2001-08-30 Kazu Hirata <kazu@hxi.com>
1757 * config/h8300/h8300.md (zero_extendqihi2): Changes to
1758 define_expand to accomodate target-specific attributes.
1759 (anonymous zero_extendqihi2 patterns): New.
1761 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
1763 * h8300.md (*andorhi3): New pattern.
1765 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
1767 * h8300.c (dosize): Fix test for "sub".
1769 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
1771 * c-typeck.c (pointer_diff): Try to eliminate common term before
1774 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
1776 * config/arm/arm.c (arm_compute_initial_elimination_offset):
1777 Account for the saves of the FP registers.
1779 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
1780 (TEXT_SECTION_ASM_OP): Define.
1781 (INIT_SECTION_ASM_OP): Define.
1782 (FINI_SECTION_ASM_OP): Define.
1783 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
1784 (RDATA_SECTION_FUNCITON): Provide prototype.
1786 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
1788 * reload1.c (move2add_note_store): Correct typo checking for
1791 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
1793 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
1794 note should not be considered outside the libcall block.
1796 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1798 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
1800 2001-08-29 Kazu Hirata <kazu@hxi.com>
1802 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
1804 2001-08-29 Kazu Hirata <kazu@hxi.com>
1806 * config/h8300/h8300-protos.h: Add a prototype for
1808 * config/h8300/h8300.c (emit_logical_op): New.
1809 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
1816 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1818 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
1819 comparison with rtx INTVAL.
1820 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
1822 * pa.h (FUNCTION_ARG_SIZE): Likewise.
1824 2001-08-29 Kazu Hirata <kazu@hxi.com>
1826 * config/h8300/lib1funcs.asm: Update the copyright. Fix
1829 2001-08-29 Kazu Hirata <kazu@hxi.com>
1831 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
1832 (reg n) to (mem (pre_dec (reg n))
1833 (anonymous movsi pattern): Likewise.
1835 2001-08-29 Kazu Hirata <kazu@hxi.com>
1837 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
1839 2001-08-29 Kazu Hirata <kazu@hxi.com>
1841 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
1842 several special constants.
1844 2001-08-29 Kazu Hirata <kazu@hxi.com>
1846 * config/h8300/lib1funcs.asm: Fix comment typos.
1848 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1850 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
1851 Fix format specifier warnings.
1853 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
1854 inet_makeaddr, semctl): Prototype.
1856 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
1857 (save_restore_insns): Use base_offset, not gp_offset.
1859 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
1860 (ASM_OUTPUT_BYTE): Fix format specifier warning.
1862 2001-08-29 Richard Henderson <rth@redhat.com>
1864 * bb-reorder.c (function_tail_eff_head): New.
1865 (record_effective_endpoints): Set it.
1866 (fixup_reorder_chain): Use it.
1868 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1870 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
1872 2001-08-28 Dale Johannesen <dalej@apple.com>
1874 * config/darwin.c (machopic_function_base_name): Add const
1875 qualifier to a string.
1876 (darwin_encode_section_info): Ditto.
1878 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1880 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
1881 function definition.
1883 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
1885 * df.h (struct df): Add rts_order variable.
1887 * df.c (df_visit_next_rts): New function.
1888 (df_visit_next): Renamed to df_visit_next_rc
1889 (df_analyse_1): Allocate/compute/free rts_order as well.
1890 (df_rd_global_compute): Use df_visit_next_rc instead of
1892 (df_ru_global_compute): Use df_visit_next_rts instead of
1895 * flow.c (flow_reverse_top_sort_order_compute): New function.
1897 * basic-block.h: Add prototype.
1899 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
1901 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
1902 blocks, the BB_REACHABLE is now set, rather than aux being
1903 non-NULL. Update the test to reflect this.
1905 2001-08-28 Eric Christopher <echristo@redhat.com>
1907 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
1908 config/mips/crti.asm: Ditto.
1910 2001-08-28 Eric Christopher <echristo@redhat.com>
1911 Richard Henderson <rth@redhat.com>
1913 * c-pragma.h (add_weak): Move prototype from here...
1914 * output.h (add_weak): ... to here.
1915 * varasm.c (add_weak): Fix typo.
1916 * config/mips/crti.asm: New file.
1917 * config/mips/crtn.asm: Ditto.
1918 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
1919 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
1920 (INVOKE__main): Ditto.
1921 (INIT_SECTION_ASM_OP): New.
1922 (FINI_SECTION_ASM_OP): Ditto.
1923 (STARTFILE_SPEC): Add crti.
1924 (ENDFILE_SPEC): Add crtn.
1925 * config/mips/elf64.h: Same.
1926 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
1928 * config/mips/vxworks.h: Ditto.
1929 * config/mips/t-elf: Support crti and crtn.
1931 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
1933 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
1936 2001-08-28 Richard Henderson <rth@redhat.com>
1938 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
1939 (one_cmplbi2 splitter): Remove redundant test.
1941 2001-08-28 Dale Johannesen <dalej@apple.com>
1943 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
1945 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
1947 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
1949 2001-08-28 Stan Shebs <shebs@apple.com>
1951 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
1952 (UNALIGNED_SHORT_ASM_OP): Define.
1953 (UNALIGNED_INT_ASM_OP): Define.
1955 2001-08-28 Will Cohen <wcohen@redhat.com>
1957 * config/rs6000/rs6000.md (store_multiple): Correct RTL
1958 generation for first set.
1960 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1962 * flow.c (redirect_edge_succ_nodup): Return new edge.
1963 (try_simplify_condjump): Use new edge.
1964 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
1966 * cse.c (cse_basic_block): Skip note instructions.
1968 2001-08-27 Richard Henderson <rth@redhat.com>
1970 * combine.c (combine_simplify_rtx): Don't reverse condition
1971 if there is no reverse for the condition.
1972 (simplify_comparison): Don't simplify subregs from INT to FP.
1974 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
1975 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
1976 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
1977 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
1978 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
1979 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
1981 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1983 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
1984 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
1986 (adddi_dilshr32, adddi_dishl32): Only data register can be
1987 source for mem destination.
1989 * expmed.c (store_bit_field): Ignore adjustment to bitpos
1990 and use bitnum to decide about register move.
1992 2001-08-27 Richard Henderson <rth@redhat.com>
1994 * genattr.c (main): Emit state_t even when not doing scheduling.
1996 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1997 Richard Henderson <rth@redhat.com>
1999 * gcse.c (reg_first_set, reg_last_set): Replace with ...
2000 (reg_avail_info, current_bb): ... these.
2001 (oprs_unchanged_p, record_last_reg_set_info): Use them.
2002 (compute_hash_table): Likewise.
2004 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
2006 * flow.c (verify_flow_info): Use checksums to verify edges.
2008 2001-08-27 Richard Henderson <rth@redhat.com>
2010 * genautomata.c (expand_automata): Always create a description.
2012 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2014 * optabs.c (expand_binop): Correctly handle the carry in multiword
2015 add/subtract operations.
2017 2001-08-27 Fred Fish <fnf@be.com>
2019 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
2022 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2024 * reload.c (find_reloads_toplev): Back out this change:
2026 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2028 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2029 mem if the address is a mode_dependent_address_p.
2031 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2033 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
2034 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
2035 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
2038 * genattr.c (main): New variable num_insn_reservations. Increase
2039 it if there is DEFINE_INSN_RESERVATION. Output automaton based
2040 pipeline hazard recognizer interface.
2042 * genattrtab.h: New file.
2044 * genattrtab.c: Include genattrtab.h.
2045 (attr_printf, check_attr_test, make_internal_attr,
2046 make_numeric_value): Move protypes into genattrtab.h. Define them
2048 (num_dfa_decls): New global variable.
2049 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
2050 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
2051 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
2052 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
2054 * genautomata.c: New file.
2056 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
2058 * sched-int.h: (curr_state): Add the external definition for
2059 automaton pipeline interface.
2060 (haifa_insn_data): Add comments for members blockage and units.
2062 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2063 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2064 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2065 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2066 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2067 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2068 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
2070 (TARGET_SCHED): Use the new macros.
2072 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
2073 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
2074 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
2075 dfa_bubble): New members in gcc_target.sched.
2077 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
2078 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
2079 (insn_queue): Redefine it as pointer to array.
2080 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
2082 (max_insn_queue_index_macro_value): New variable.
2083 (curr_state, dfa_state_size, ready_try): New varaibles for
2084 automaton interface.
2085 (ready_element, ready_remove, max_issue): New function prototypes
2086 for automaton interface.
2087 (choose_ready): New function prototype.
2088 (insn_unit, blockage_range): Add comments.
2089 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
2090 FUNCTION_UNITS_SIZE == 0.
2091 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
2092 actual_hazard, potential_hazard): Add comments.
2093 (insn_cost): Use cost -1 as undefined value. Remove
2094 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
2096 (ready_element, ready_remove): New functions for automaton
2098 (schedule_insn): Add new code for automaton pipeline interface.
2099 (queue_to_ready): Add new code for automaton pipeline interface.
2100 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
2101 (debug_ready_list): Print newline when the queue is empty.
2102 (max_issue): New function for automaton pipeline interface.
2103 (choose_ready): New function.
2104 (schedule_block): Add new code for automaton pipeline interface.
2105 Print ready list before scheduling each insn.
2106 (sched_init): Add new code for automaton pipeline interface.
2107 Initiate insn cost by -1.
2108 (sched_finish): Free the current automaton state and finalize
2109 automaton pipeline interface.
2111 * sched-rgn.c: Include target.h.
2112 (init_ready_list, new_ready, debug_dependencies): Add new code for
2113 automaton pipeline interface.
2115 * sched-vis.c: Include target.h.
2116 (get_visual_tbl_length): Add code for automaton interface.
2117 (target_units, print_block_visualization): Add comments.
2119 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
2120 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
2121 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
2122 (getruntime.o, genautomata.o): New entries.
2123 (genattrtab.o): Add new dependency file genattrtab.h.
2124 (genattrtab): Add new dependencies. Link it with `libm.a'.
2125 (getruntime.o, hashtab.o): New entries for canadian cross.
2127 * doc/md.texi: Description of automaton based model.
2129 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
2131 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2132 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2133 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2134 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2135 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2136 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2137 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
2139 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
2140 MAX_DFA_ISSUE_RATE): New macro descriptions.
2142 * doc/contrib.texi: Add dfa based scheduler contribution.
2144 * doc/gcc.texi: Add more information about genattrtab.
2146 2001-08-27 Diego Novillo <dnovillo@redhat.com>
2148 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
2151 2001-08-27 Richard Henderson <rth@redhat.com>
2153 * function.c (expand_function_end): Don't init arg_pointer_save_area.
2154 (get_arg_pointer_save_area): New. Create an init it here.
2155 (fix_lexical_addr): Use it.
2156 * function.h: Declare it.
2157 * builtins.c (expand_builtin_setjmp_receiver): Use it.
2158 * stmt.c (expand_nl_goto_receiver): Use it.
2160 2001-08-27 Richard Henderson <rth@redhat.com>
2162 * final.c (final_scan_insn): Don't enter APP_ON mode for
2165 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
2166 alignment for assemble_integer for DW_EH_PE_aligned.
2167 * except.c (output_function_exception_table): Likewise.
2169 2001-08-26 Andreas Jaeger <aj@suse.de>
2171 * c-tree.h: Add prototyp for c_sizeof_nowarn.
2173 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
2175 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
2177 2001-08-27 Alan Modra <amodra@bigpond.net.au>
2179 * config/rs6000/rs6000.c (mask_operand): Rewrite without
2181 (mask64_operand): Likewise.
2182 (rldic_operand): Delete.
2183 (includes_lshift64_p): Delete.
2184 (includes_rldic_lshift_p): New function.
2185 (includes_rldicr_lshift_p): New function.
2186 (print_operand): Don't call rldic_operand in case 'W'.
2187 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
2188 (includes_lshift64_p): Remove.
2189 (includes_rldic_lshift_p): Declare.
2190 (includes_rldicr_lshift_p): Declare.
2191 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
2192 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
2193 Replace match_operand rldic_operand predicate with
2194 const_int_operand. Replace includes_lshift64_p condition with
2195 includes_rldic_lshift_p.
2196 <ashldi3_internal 64 bit rldicr patterns>: New.
2198 2001-08-27 Andreas Jaeger <aj@suse.de>
2200 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2201 * errors.c: Likewise.
2202 * final.c: Likewise.
2203 * dwarf2asm.c: Likewise.
2204 * doprint.c (checkit): Likewise.
2205 * diagnostic.c: Likewise.
2206 * collect2.c: Likewise.
2207 * calls.c: Likewise.
2208 * c-semantics.c (build_stmt): Likewise.
2209 * c-format.c (status_warning): Likewise.
2210 * c-errors.c (pedwarn_c99): Likewise.
2211 * builtins.c (validate_arglist): Likewise.
2212 * config/pj/pj.c (pj_printf): Likewise.
2213 * fix-header.c: Likewise.
2215 * gcov.c (fnotice): Likewise.
2216 * gensupport.c (message_with_line): Likewise.
2217 * mips-tfile.c: Likewise.
2218 * protoize.c (notice): Likewise.
2219 * read-rtl.c (fatal_with_file_and_line): Likewise.
2220 * rtl-error.c: Likewise.
2221 * tradcpp.c: Likewise.
2223 * cp/tree.c (build_min_nt): Likewise.
2224 (build_min): Likewise.
2225 * cp/lex.c: Likewise.
2226 * cp/errfn.c: Likewise.
2227 * cp/rtti.c (create_pseudo_type_info): Likewise.
2229 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
2231 * df.c (df_uses_record): Return after recording all uses
2234 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
2236 * df.c (df_insn_modify): Realloc the INSN table here, if
2237 necessary, here, too.
2239 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
2241 * config/mips/mips.c (mips_function_value): Handle complex return
2244 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
2246 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
2248 * reload.c (make_memloc): Copy result if it is still
2249 reg_equiv_memory_loc[regno] on return.
2250 (subst_reloads) [ENABLE_CHECKING]: Check that none of
2251 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
2252 reg_equiv_mem are modified by the substitutions.
2254 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2256 * predict.c (expensive_function_p): New.
2257 * rtl.h (expensive_function_p): Declare.
2258 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
2259 (use_fast_prologue_epilogue): New static variable.
2260 (expand_prologue): Set it; emit short prologues if unset.
2261 (expand_epilogue): Likewise.
2263 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2265 * config.gcc: Add stormy16-*-elf case.
2266 * config/stormy16/stormy-abi: New file.
2267 * config/stormy16/stormy16-lib2.c: New file.
2268 * config/stormy16/stormy16-protos.h: New file.
2269 * config/stormy16/stormy16.c: New file.
2270 * config/stormy16/stormy16.h: New file.
2271 * config/stormy16/stormy16.md: New file.
2272 * config/stormy16/t-stormy16: New file.
2274 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2276 * i386.h (no-accumulate-outgoing-args): Use proper mask.
2278 2001-08-24 David Edelsohn <edelsohn@gnu.org>
2280 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
2281 descriptor members are pointer size, not constant 4.
2282 * config/rs6000/rs6000.md (define_splits): Remove more unused
2285 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2287 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
2289 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
2291 * cp/rtti.c (VPARAMS): Fix parameter.
2293 2001-08-24 Zack Weinberg <zackw@panix.com>
2295 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
2297 (mode_for_extraction): No need for #ifdefs. Add default-case abort
2299 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
2300 in if controlling use of insv.
2301 (extract_bit_field): Likewise, for extv and extzv.
2303 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2305 * i386.md (movcc peep2): Fix load of 0.
2307 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2309 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
2310 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
2312 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
2314 * c-pragma.h: Move weak_syms and weak_decls...
2315 * varasm.c: ...here. Now static.
2316 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
2317 depend on HANDLE_PRAGMA_WEAK.
2319 * c-common.c (c_alignof, c_alignof_expr): Move here...
2320 * c-typeck.c: ...from here.
2321 * c-tree.h, c-common.h: Adjust.
2323 2001-08-23 Bernd Schmidt <bernds@redhat.com>
2325 * config/ia64/ia64.c (rws_update): If !pred, set write_count
2326 instead of incrementing it.
2328 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
2329 asm ready, don't try to move them all into the same array element.
2331 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2333 * function.c (thread_prologue_and_epilogue_insns): Avoid
2334 fallthru flag on edge to exit.
2336 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
2338 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
2341 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2343 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
2344 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
2345 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
2348 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2350 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
2351 replace "GNU CC" with "GCC".
2353 2001-08-23 Richard Henderson <rth@redhat.com>
2355 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
2356 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
2357 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
2358 Need GR between FR and not GR_AND_FR.
2359 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
2360 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
2361 AR regs before GR regs.
2362 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
2363 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
2364 (REGISTER_MOVE_COST): Update.
2365 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
2367 2001-08-23 Richard Henderson <rth@redhat.com>
2369 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
2372 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2374 * reload1.c (emit_reload_insns): Don't look for notes
2375 on a NULL store_insn.
2377 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2379 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
2380 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
2381 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
2382 format specifier warnings.
2383 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
2385 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
2387 * config/i386/i386-protos.h: Correct declaration of
2388 i386_pe_asm_named_section.
2390 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
2392 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
2394 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2396 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2398 * cpperror.c (print_location): Don't show _Pragma.
2399 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
2400 and file change callback generation here.
2401 (stack_include_file): Update use of cpp_push_buffer.
2402 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
2403 (struct cpp_buffer): Remove type, pfile members.
2404 * cppinit.c (cpp_handle_option): Use free_chain.
2405 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
2406 (skip_escaped_newlines, get_effective_char, lex_percent): Take
2407 a cpp_reader rather than a cpp_buffer.
2408 (skip_escaped_newlines, get_effective_char, skip_block_comment,
2409 skip_line_comment, parse_string, lex_percent, lex_dot,
2410 _cpp_lex_token): Update accordingly.
2411 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
2413 (cpp_push_buffer): Update prototype.
2414 (run_directive): Update use of cpp_push_buffer.
2415 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
2416 handle_assertion): Update use of run_directive.
2417 * cpplib.h (enum cpp_buffer_type): Remove.
2418 (cpp_push_buffer): Update prototype.
2419 * fix-header.c (read_scan_file): Update.
2421 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2423 * gcc.c (struct prefix_list): Change prefix to const char *.
2425 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2427 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
2429 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
2431 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
2434 * jump.c (squeeze_notes): Take parms by reference. Handle END being
2437 * ifcvt.c (dead_or_predicable): Adjust.
2438 * loop.c (find_and_verify_loops): Adjust.
2439 * stmt.c (expand_end_case): Adjust.
2440 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
2441 head and end insn pointers in the basic block, not just local copies.
2442 (merge_blocks_move_predecessor_nojumps): Likewise.
2444 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
2446 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
2447 bitmap.h, builtin-types.def, builtins.c, builtins.def,
2448 c-aux-info.c, c-common.c, c-common.def, c-common.h,
2449 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
2450 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
2451 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
2452 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
2453 conditions.h, config.gcc, configure.frag, configure.in,
2454 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
2455 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
2456 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
2457 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
2458 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
2459 emit-rtl.c, errors.c, errors.h, except.c, except.h,
2460 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
2461 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
2462 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
2463 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
2464 gencheck.c, gencodes.c, genconfig.c, genemit.c,
2465 genextract.c, genflags.c, gengenrtl.c, genmultilib,
2466 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
2467 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
2468 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
2469 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
2470 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
2471 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
2472 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
2473 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
2474 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
2475 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
2476 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
2477 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
2478 params.h, predict.c, predict.def, predict.h, prefix.c,
2479 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
2480 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
2481 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
2482 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
2483 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
2484 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
2485 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
2486 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
2487 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
2488 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
2489 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
2490 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
2491 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
2492 xcoffout.h: replace "GNU CC" with "GCC".
2494 2001-08-21 Richard Henderson <rth@redhat.com>
2496 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
2497 (final_scan_insn): Consider jump tables data even if we have no
2498 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
2500 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
2501 (ASM_OUTPUT_CASE_END): Remove.
2502 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
2503 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
2504 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
2506 2001-08-21 Richard Henderson <rth@redhat.com>
2508 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
2509 at barrier insns. Emit stop bits before barriers.
2511 * flow.c (flow_find_cross_jump): Don't consider unconditional
2512 return insns for commoning.
2514 * final.c (compute_alignments): Fix typo.
2516 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
2517 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
2518 (store_bit_field): Use mode_for_extraction more places.
2519 (extract_bit_field): Likewise.
2521 2001-08-21 Zack Weinberg <zackw@panix.com>
2523 * caller-save.c: Don't include insn-codes.h.
2524 (reg_save_code, reg_restore_code): Make arrays of int.
2525 All uses updated to match.
2526 (insert_save, insert_restore): No need to initialize "code"
2527 variable upon declaration.
2528 * Makefile.in: update dependencies; fix typo in clean rule.
2530 2001-08-21 Richard Henderson <rth@redhat.com>
2532 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
2533 (merge_if_block): Handle fallout from same.
2535 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2537 * builtins.c (type_to_class): Fix typo in last change.
2539 2001-08-21 Richard Henderson <rth@redhat.com>
2541 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
2542 ia64_asm_output_label.
2544 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
2545 copy of gp while the real gp register contains garbage.
2547 2001-08-21 Zack Weinberg <zackw@panix.com>
2549 * expmed.c (mode_for_extraction): New function.
2550 (store_bit_field, extract_bit_field): Use it.
2551 * expr.h: Prototype it and provide an enum for its first argument.
2553 * combine.c, function.c, recog.c: Don't include insn-codes.h.
2554 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
2555 and digging through the insn_data tables.
2556 * Makefile.in: Update dependencies.
2558 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2560 * cppfiles.c (stack_include_file): line-map.c now handles include
2562 (handle_missing_handler): Similarly.
2563 (_cpp_execute_include): Similarly.
2564 (_cpp_pop_file_buffer): Similarly.
2565 * cpphash.h (struct cpp_reader): Remove system_include_depth,
2566 buffer_stack_depth and include_depth.
2567 * cpplib.c (do_include_common): line-map.c now handles include depth.
2568 (cpp_push_buffer): Similarly.
2569 (_cpp_pop_buffer): Similarly.
2570 * cppmacro.c (builtin_macro): Update.
2571 * line-map.c (init_line_maps): Set depth.
2572 (add_line_map): Increment "used" earlier. Update and use the
2574 (trace_include): Use the include depth.
2575 * line-map.h (struct line_maps): New member depth.
2577 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2579 * cppfiles.c (stack_include_file): Don't handle -H here.
2580 * cppinit.c (cpp_start_read): Set include tracing after
2581 cpp_post_options and after stacking the main file.
2582 * line-map.c (trace_include): New.
2583 (init_line_maps, add_line_map): Update.
2584 * line-map.h (struct line_maps): New member trace_includes.
2586 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2588 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
2589 * cppfiles.c (stack_include_file): Only stack a file if there
2590 is something to do. Return a boolean indicating whether a
2591 buffer was stacked or not.
2592 (_cpp_execute_include): Similarly.
2593 (_cpp_read_file): Similarly.
2594 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
2596 2001-08-21 Sam Steingold <sds@gnu.org>
2598 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
2599 (RECACHE): keep obufp_before_macroname up to date
2601 2001-08-21 Zack Weinberg <zackw@panix.com>
2603 * stmt.c: Don't include insn-codes.h.
2604 (expand_end_case): Machine specific logic moved to expr.c.
2605 No need to worry about __builtin_classify_type.
2606 (check_for_full_enumeration_handling, emit_case_nodes):
2609 * builtins.o (expand_builtin_classify_type): Split up so code
2610 can be shared with fold_builtin_classify_type.
2611 (type_to_class, fold_builtin_classify_type): New functions.
2612 (fold_builtins): Handle __builtin_classify_type.
2614 * expr.c (do_tablejump): Now static.
2615 (case_values_threshold, try_casesi, try_tablejump): New;
2616 code mostly from stmt.c (expand_end_case).
2617 (expr.h): Update prototypes.
2619 * Makefile.in (stmt.o): Update dependencies.
2621 2001-08-21 Will Cohen <wcohen@redhat.com>
2623 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
2624 declaration of variable i.
2625 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
2626 declaration of variable i.
2628 2001-08-21 Richard Henderson <rth@redhat.com>
2630 * crtstuff.c: Fix thinko last change. Move list tails to start
2631 of CRT_END section. Tidy ifdefs.
2632 (__EH_FRAME_BEGIN__): Always static for ELF.
2633 (__do_global_ctors_1): Rename from __frame_dummy.
2634 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
2635 name change; don't hide __EH_FRAME_BEGIN__.
2637 2001-08-21 Richard Henderson <rth@redhat.com>
2639 * gdbinit.in: Move break on exit after break on fancy_abort.
2641 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
2644 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2646 * cpphash.h (_cpp_push_next_buffer): New.
2647 * cppinit.c (do_includes): Remove.
2648 (push_include, free_chain, _cpp_push_next_buffer): New.
2649 (cpp_start_read): Use them to rework command line option handling.
2650 (cpp_handle_option): Combine handling of -include and -imacros.
2651 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
2652 appropriate. Always insert missing \n at EOF.
2653 * cpplib.c (start_directive): Get the directive position right.
2654 * cppmain.c (cb_file_change): Always print the first line, unless
2657 2001-08-20 Andreas Jaeger <aj@suse.de>
2659 * profile.c (compute_branch_probabilities): Remove extra new-line
2661 * flow.c (verify_flow_info): Likewise.
2663 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2665 * basic-block.h (basic_block): Add new field 'flags'.
2666 (BB_REACHABLE): Define.
2667 (expunge_block): Declare.
2668 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
2669 (EXIT_BLOCK_PTR): Ditto.
2670 (expunge_block): Remove static declaration.
2671 (cleanup_cfg): Clear bb->aux on every basic block.
2672 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
2673 computing reachability.
2674 (delete_unreachable_blocks): Delete block b if b->flags has
2677 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2679 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
2681 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2683 * sparc.c (sparc_variable_issue): Fix typo in last change.
2685 2001-08-20 Richard Henderson <rth@redhat.com>
2687 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
2689 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
2691 * pa.h (RETURN_IN_MEMORY): Improve comment.
2693 2001-08-20 Janis Johnson <janis187@us.ibm.com>
2695 * doc/invoke.texi (Profiling options): Clarify the interactions
2696 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
2698 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
2700 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
2703 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2705 * gcc.c (make_relative_prefix): Allocate a sufficiently large
2708 2001-08-20 Richard Henderson <rth@redhat.com>
2710 * final.c (end_final): Fix typo last change.
2712 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
2714 * cppinit.c (init_standard_includes): The returned buffer
2715 is already malloc-ed.
2716 * gcc.c (add_prefix): Similarly.
2717 * prefix.c (translate_name): Update to support clear buffer
2719 (update_path): Similarly. Be sure to free any newly allocated
2720 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
2722 * prefix.h (update_path): Update prototype and document.
2723 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
2724 up and update to new buffer ownership rules.
2725 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
2727 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
2729 * final.c (compute_alignments): New function.
2730 (init_insn_lengths): Do not care label_align.
2731 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
2732 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
2733 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
2734 (shorted_branches): Realloc label_align array; do
2735 not call init_insn_lengths; Do not care about loop alignments.
2736 * output.h (compute_alignments): Declare.
2737 * toplev.c (rest_of_compilation): Call compute_alignments.
2738 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
2740 * predict.c (block_info_def): Add npredecesors, remove nvisited;
2741 change visited to tovisit.
2742 (propagate_freq): Use faster traversing algorithm.
2743 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
2744 to tovisit; reverse meaning.
2746 * predict.c (struct block_info_def): Remove nvisited.
2747 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
2748 (estimate_bb_frequencies): Call mark_dfs_back_edges.
2750 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
2752 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
2753 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
2754 (TARGET_FUSED_MADD): New.
2755 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
2756 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
2757 the multiply-add instructions.
2759 2001-08-19 Richard Henderson <rth@redhat.com>
2761 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
2762 is aligned to pointer size.
2764 2001-08-19 Richard Henderson <rth@redhat.com>
2766 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
2767 display markers during final schedule.
2769 2001-08-19 Richard Henderson <rth@redhat.com>
2771 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
2773 2001-08-19 Richard Henderson <rth@redhat.com>
2775 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
2777 (ASM_NAME_TO_STRING): Remove.
2778 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
2779 in the same string. Remove support for expressions.
2781 2001-08-19 Richard Henderson <rth@redhat.com>
2783 * config/i386/i386.md (tablejump): Make an expander; handle
2784 pic relative addressing here.
2785 (tablejump_1): Rename from tablejump_pic.
2788 2001-08-19 Richard Henderson <rth@redhat.com>
2790 * regclass.c (fix_register): Fix typo.
2792 2001-08-18 Richard Henderson <rth@redhat.com>
2794 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
2795 (struct _Unwind_Context): Expand br_loc to hold it.
2796 (uw_frame_state_for): Handle leaf functions better.
2797 (uw_update_reg_address): Update for br_loc change.
2799 2001-08-18 Richard Henderson <rth@redhat.com>
2801 * crtstuff.c: Move list heads before code that uses them.
2802 (__JCR_LIST__): Remove initial null.
2803 (frame_dummy, __frame_dummy): Do java registration here ...
2804 (__do_global_ctors_aux): ... not here.
2806 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
2807 (__do_global_dtors_aux): Update to match.
2808 (__JCR_LIST__, __do_jv_register_classes): New.
2810 * config/ia64/crtend.asm (__JCR_END__): New.
2811 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
2812 instead of an indirect LTOFF22 reloc.
2814 2001-08-18 Richard Henderson <rth@redhat.com>
2816 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
2817 * regclass.c (init_reg_sets_1): Fix typo.
2818 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
2819 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
2820 (ia64_compute_frame_size): Make ar.unat live when in use.
2821 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
2822 for ar.pfs; remove ar.unat handling.
2823 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
2825 (PREDICATE_CODES): Add ar_pfs_reg_operand.
2826 * config/ia64/ia64-protos.h: Update decls.
2827 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
2828 (sibcall_pic): Likewise.
2830 2001-08-18 Richard Henderson <rth@redhat.com>
2832 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
2833 pred_rel_mutex when searching for insn_group_barrier.
2834 * config/ia64/ia64.md (cycle_display): Combine the expander
2837 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
2838 bit before asm as needed.
2840 2001-08-18 Richard Henderson <rth@redhat.com>
2842 * timevar.def (TV_MACH_DEP): New.
2843 * toplev.c (rest_of_compilation): Use it.
2844 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
2846 2001-08-18 Zack Weinberg <zackw@panix.com>
2848 * unwind-dw2.c (execute_stack_op): Add default aborts to
2849 the inner switches to prevent warnings.
2851 2001-08-18 Richard Henderson <rth@redhat.com>
2853 * timevar.h (struct timevar_time_def): Change element type to float.
2854 (ticks_to_msec, clocks_to_msec): Likewise.
2855 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
2856 (get_time): Likewise.
2857 (timevar_print): Adjust zero check and printing to match.
2859 2001-08-18 Zack Weinberg <zackw@panix.com>
2861 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
2862 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
2863 Eliminate overfull or underfull hboxes.
2865 2001-08-18 Zack Weinberg <zackw@panix.com>
2867 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2869 2001-08-18 Zack Weinberg <zackw@panix.com>
2871 * haifa-sched.c: Convert to target hooks. Macros replaced
2872 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
2873 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
2874 MD_SCHED_FINISH, and HAVE_cycle_display.
2875 * target-def.h (TARGET_SCHED_ADJUST_COST,
2876 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
2877 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
2878 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
2879 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
2880 New hook #defines to be overridden.
2881 (TARGET_SCHED): Bring them all together.
2882 (TARGET_INITIALIZER): Update.
2883 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
2884 instead of 'struct rtx_def *' throughout.
2885 (struct sched): New set of hooks for the scheduler.
2886 * Makefile.in (haifa-sched.o): Depend on target.h.
2887 * doc/tm.texi: Document the new scheduler hooks, together in
2888 their own section, instead of scattered around.
2889 Fix a bunch of underfull/overfull hboxes.
2891 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
2892 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
2893 sparc.h: Don't define any of the old scheduler macros.
2895 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
2896 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
2897 sparc.c: Create hook functions from code extracted from
2898 corresponding target header, or make existing hooks static, as
2899 appropriate. Set the appropriate entries in targetm.
2901 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
2902 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
2903 rs6000-protos.h, s390-protos.h, sparc-protos.h:
2904 Remove prototypes for functions which are now static.
2906 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
2907 related gunk; the Haifa scheduler is now the only choice.
2909 2001-08-18 Zack Weinberg <zackw@panix.com>
2911 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
2912 * genopinit.c: Put floating point divide insns in sdiv_optab.
2913 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
2914 * config/gofast.h, config/c4x/c4x.h,
2915 config/ia64/hpux_longdouble.h, config/mips/mips.h,
2916 config/pa/long_double.h, config/rs6000/sysv4.h,
2917 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
2918 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
2919 (init_optabs): Use init_optabv for overflow-trapping optabs.
2920 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
2921 cmp_optab RTX codes so have_insn_for can find them.
2923 * optabs.c (expand_simple_binop, expand_simple_unop,
2924 have_insn_for, gen_sub3_insn): New interfaces.
2925 * expr.h: Prototype new functions.
2926 (enum optab_methods): Move here from optabs.h.
2928 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
2929 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
2930 Use new functions instead of working directly with optabs.
2931 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
2932 unroll.c: Don't include optabs.h.
2933 * caller-save.c, combine.c, function.c, stmt.c: Just include
2934 insn-codes.h, not optabs.h.
2935 * Makefile.in: Update dependencies.
2937 * combine.c (make_compound_operation, simplify_comparison):
2938 Fix typos testing for this or that instruction.
2940 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2942 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
2943 generating libgcc.a.
2945 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2947 * except.c (TYPE_HASH): Delete.
2949 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
2952 * tree.c (TYPE_HASH): Delete.
2954 * tree.h (TYPE_HASH): Define.
2956 2001-08-18 Graham Stott <grahams@redhat.com>
2958 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
2960 (adddi3_internal_2+2): Likewise.
2961 (eh_set_lr_di+1): Likewise.
2963 2001-08-17 Richard Henderson <rth@redhat.com>
2965 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2966 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
2967 * dwarf2asm.c: ... here.
2968 * dwarfout.c: Remove them.
2970 * varasm.c (assemble_integer): Add align parameter.
2971 (assemble_real, output_constant, output_constructor): Likewise.
2972 * output.h: Update decls.
2973 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
2974 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
2975 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
2976 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
2977 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
2980 * final.c (end_final): Abort profile block generation if we
2981 havn't layed it out properly.
2982 * output.h (assemble_eh_integer): Remove stale decl.
2983 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
2985 (assemble_integer): Handle unaligned data.
2986 (assemble_real): Abort on unaligned data.
2987 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
2989 (default_dtor_section_asm_out_destructor): Use assemble_align.
2990 (default_named_section_asm_out_constructor): Likewise.
2991 (default_ctor_section_asm_out_constructor): Likewise.
2992 * config/darwin.c (machopic_asm_out_constructor): Likewise.
2993 (machopic_asm_out_destructor): Likewise.
2994 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
2995 (nextstep_asm_out_destructor): Likewise.
2996 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
2997 (vms_asm_out_destructor): Likewise.
2999 2001-08-17 Richard Henderson <rth@redhat.com>
3001 * config/mips/iris6.h (TARGET_IRIX6): New.
3002 (current_section_name, current_section_flags): New.
3003 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
3004 (MAX_OFILE_ALIGNMENT): New.
3005 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
3006 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
3007 (copy_file_data): Split out from
3008 (mips_asm_file_end): ... here.
3009 (mips_asm_file_start): Remove extra .section directive. Use
3010 tmpfile instead of mips_make_temp_file.
3011 (mips_unique_section): Use const char * as needed for warnings.
3012 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
3013 re-add align parameter.
3014 (iris6_asm_named_section): New.
3015 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
3016 (iris6_asm_output_align, iris6_section_align_1): New.
3017 (iris6_asm_file_start, iris6_asm_file_end): New.
3018 * config/mips/mips-protos.h: Update decls.
3020 2001-08-17 Janis Johnson <janis187@us.ibm.com>
3022 * doc/install.texi (Install GCC): Add links to build status pages.
3024 (Final install): Ditto; request updates for specific info
3026 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
3028 * cpperror.c (print_location): Don't take a file name; use the
3030 (_cpp_begin_message): Similarly.
3031 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3032 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
3033 (cpp_pedwarn_with_file_and_line): Remove.
3034 * cppfiles.c (stack_include_file): Update; set filename to stdin
3035 here when appropriate.
3036 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
3037 (_cpp_begin_message): Don't take a file name.
3038 * cppinit.c: Add comment.
3039 * cpplex.c: Fix end-of-directive indicator.
3040 * cpplib.c: Don't include intl.h.
3041 (run_directive, do_diagnostic): Update.
3042 (do_line): Update to not use nominal_fname.
3043 (cpp_push_buffer): Don't take a filename.
3044 * cpplib.h (struct ht): Remove.
3045 (cpp_push_buffer): Don't take a filename.
3046 (cpp_pedwarn_with_file_and_line): Remove.
3047 * cppmacro.c (struct cpp_macro): Remove file.
3048 (builtin_macro): Update.
3049 (_cpp_create_definition): Update.
3050 * cppmain.c: Correct comment.
3051 * fix-header.c (read_scan_file): Update.
3053 2001-08-17 Kazu Hirata <kazu@hxi.com>
3055 * sbitmap.c: Fix comment formatting.
3056 * sched-deps.c: Likewise.
3057 * sibcall.c: Likewise.
3058 * simplify-rtx.c: Likewise.
3060 * ssa-ccp.c: Likewise.
3061 * stor-layout.c: Likewise.
3062 * timevar.c: Likewise.
3063 * toplev.c: Likewise.
3064 * unwind-dw2.c: Likewise.
3065 * unwind-dw2-fde.c: Likewise.
3066 * varasm.c: Likewise.
3068 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3070 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
3071 or larger than an integer in memory.
3073 2001-08-17 Zack Weinberg <zackw@panix.com>
3075 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
3076 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
3077 * rtl.h: Don't forward-declare union tree_node here. Don't
3078 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
3079 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3080 and tree respectively.
3081 * tree.h: Don't forward-declare struct rtx_def here. Don't
3082 typedef tree here. Change all uses of struct rtx_def *,
3083 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3084 and tree respectively.
3086 2001-08-17 Richard Henderson <rth@redhat.com>
3088 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
3089 config/mips/openbsd.h: Fix typos last change.
3091 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3093 * doc/invoke.texi (Optimize Options): The default for
3094 -finline-limit is 600.
3096 2001-08-17 Richard Henderson <rth@redhat.com>
3098 * varasm.c (text_section): Allow TEXT_SECTION to override the
3099 printing of TEXT_SECTION_ASM_OP.
3100 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
3101 (DATA_SECTION, BSS_SECTION): Remove.
3102 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
3103 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
3104 Rename from s/_NAME//.
3105 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
3106 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
3107 (TEXT_SECTION): ... here. New.
3108 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
3109 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
3110 * config/mips/openbsd.h: Likewise.
3111 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
3112 (mips_asm_file_end): Likewise test.
3113 (mips_output_function_epilogue): Likewise. Switch back to data
3114 section after emitting the function.
3116 * doc/tm.texi (Sections): Document TEXT_SECTION.
3118 2001-08-17 Richard Henderson <rth@redhat.com>
3120 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
3121 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
3123 2001-08-17 Richard Henderson <rth@redhat.com>
3125 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
3126 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
3127 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
3128 Add aligned attribute.
3130 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
3132 * config/sh/sh.md: Add modes to unspecs in first insn to match
3133 those in the second.
3135 * Makefile.in: Fix collect2 copy for Cygwin.
3137 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3139 Install the proper patch.
3140 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3141 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3142 (expand_function_start): Likewise.
3143 * stmt.c (expand_decl): Likewise.
3144 * varasm.c (make_decl_rtx): Likewise.
3146 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3148 * final.c: Undo my previous accidental checkin.
3149 * output.h: Likewise.
3150 * tm.texi: Likewise.
3152 2001-08-16 Richard Henderson <rth@redhat.com>
3154 * varasm.c (named_section_flags): Remove align parameter.
3155 * varasm.c, dwarf2out.c: Update all callers.
3156 * output.h: Update prototypes.
3158 * target.h (target.asm_out.named_section): Remove align parameter.
3159 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
3160 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
3161 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
3162 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
3163 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
3165 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
3166 (get_named_section_flags, set_named_section_flags): New.
3167 (named_section_flags): Use them.
3168 (named_section): Do decl vs section flags check here...
3169 (default_section_type_flags): ... not here.
3170 (init_varasm_once): Create in_named_htab.
3171 (resolve_unique_section): Mark reloc unused.
3173 2001-08-16 Richard Henderson <rth@redhat.com>
3175 * varasm.c (force_const_mem): Keep pool alignment in bits.
3176 (output_constant_pool): Use assemble_align.
3178 2001-08-16 Zack Weinberg <zackw@panix.com>
3180 * doc/tm.texi: Remove extra @table command.
3182 2001-08-16 Zack Weinberg <zackw@panix.com>
3184 * final.c (shorten_branches): Clear the end of the label_align
3185 array only if we made it larger. Break up messy expressions
3188 * diagnostic.c (internal_error): Check for error recursion
3189 before doing ICE suppression.
3191 * timevar.c: Timing variables now count in milliseconds.
3192 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
3193 (get_time): Not here.
3194 (timevar_print): Don't print any timer whose user, cpu, and
3195 wall times are all zero as displayed.
3196 * timevar.h: Update comment aboout units. Make timevar
3199 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3201 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3202 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3203 (expand_function_start): Likewise.
3204 * stmt.c (expand_decl): Likewise.
3205 * varasm.c (make_decl_rtx): Likewise.
3207 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
3209 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
3210 (finalize_record_size): Don't set TYPE_USER_ALIGN.
3212 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3214 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
3217 2001-08-16 Andreas Jaeger <aj@suse.de>
3219 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
3222 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
3224 * rtl.h (only_sets_cc0_p): New prototype.
3225 * jump.c (sets_cc0_p): Handle INSN.
3226 (only_sets_cc0_p): New function.
3227 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
3228 (tidy_fallthru_edge): Likewise.
3229 * integrate.c (copy_insn_list): Likewise.
3230 * unroll.c (unroll_loop): Likewise.
3231 (copy_loop_body): Likewise.
3233 2001-08-15 Jason Eckhardt <jle@redhat.com>
3235 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
3237 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3239 * predict.c (struct block_info_def): Remove nvisited.
3240 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3241 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3243 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
3244 (ix86_adjust_cost): Teach scheduler that latency to load operand can
3247 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3249 * predict.def: Update hitrates.
3251 2001-08-15 Richard Henderson <rth@redhat.com>
3253 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
3255 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
3257 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
3258 note from its associated jump.
3260 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3262 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
3263 also on 64-bit s390x targets.
3265 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
3267 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
3269 (arm_expand_prologue): Handled nested functions which take a
3270 variable argument list.
3271 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
3272 macro with an invocation of
3273 arm_compute_initial_elimination_offset.
3274 * config/arm/arm-protos.h: Prototype
3275 arm_compute_initial_elimination_offset.
3277 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3279 * doc/install.texi (Specific, avr): Fix markup.
3280 (Specific, c4x): Ditto.
3282 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3284 * predict.c (dump_prediction): Change `bool' parameter to `int'.
3286 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
3288 * Makefile.in (OBJS): Add rtl-error.o
3289 (rtl-error.o): New rule.
3290 (diagnostic.o): Adjust dependency.
3291 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
3292 error_for_asm, _fatal_insn, _fatal_insn_not_found,
3293 warning_for_asm): Move to...
3294 rtl-error.c: ...here. New file.
3296 2001-08-14 Richard Henderson <rth@redhat.com>
3298 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
3299 if USING_SJLJ_EXCEPTIONS.
3301 2001-08-14 Steve Ellcey <sje@cup.hp.com>
3303 * tlink.c (scan_linker_output): Check string for unsatisfied in
3304 addition to undefined and unresolved.
3306 2001-08-14 Graham Stott <grahams@redhat.com>
3308 * libgcc2.c (*): Replace EH_FRAME_SECTION with
3309 EH_FRAME_SECTION_NAME.
3311 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
3313 * genattrtab.c (simplify_test_exp_in_temp): New function.
3314 (simplify_test_exp): Avoid explicit use of temporary obstack.
3315 (simplify_cond, insert_right_side, evaluate_eq_attr,
3316 simplify_and_tree, simplify_or_tree, eliminate_known_true):
3317 Use simplify_test_exp_in_temp.
3318 (optimize_attrs): Iterate until expression stabilizes.
3320 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
3322 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
3323 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
3325 2001-08-13 Richard Henderson <rth@redhat.com>
3327 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
3328 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
3329 * config/arm/conix-elf.h: Likewise.
3331 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3333 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
3335 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
3337 * gcse.c (hash_scan_set): Expressions that are set as part of
3338 jump instructions are not available.
3340 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3342 * config/s390/s390.c (print_operand, s390_function_prologue,
3343 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
3345 2001-08-13 Richard Henderson <rth@redhat.com>
3347 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
3348 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
3349 * doc/tm.texi (Exception Region Output): Document it.
3351 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3353 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
3354 DWARF2 instead of stabs by default.
3356 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3358 * config/rs6000/rs6000.c: Include optabs.h.
3360 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3362 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
3363 save/restore routines.
3364 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
3366 2001-08-13 Andreas Jaeger <aj@suse.de>
3368 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
3369 the english is correct.
3371 2001-08-13 Zack Weinberg <zackw@panix.com>
3373 * expr.h: Split out optab- and libfunc-related code to...
3374 * optabs.h, libfuncs.h: ... these new headers.
3376 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
3378 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
3380 * mkconfig.sh: Don't include insn-codes.h from config.h.
3382 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
3383 enum insn_code is available. Move reload_in_optab and
3384 reload_out_optab array declarations to optabs.h.
3385 * regmove.c (gen_add3_insn): Move to optabs.c, export from
3386 there, prototype in expr.h.
3387 * gencodes.c: Cleanup: zap global variables, don't use
3388 printf where puts will do, don't bother defining MAX_INSN_CODE
3389 which nothing uses, let CODE_FOR_nothing get its value implicitly.
3391 * genemit.c, genopinit.c: Include optabs.h in generated file.
3392 * genoutput.c: Include insn-codes.h in generated file.
3393 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
3394 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
3395 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
3396 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
3397 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
3398 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
3400 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
3401 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
3402 config/m88k/m88k.c, config/sparc/sparc.c:
3404 * reload.c: Include expr.h and optabs.h before reload.h.
3405 * config/alpha/alpha.c: Include tree.h before reload.h.
3406 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
3407 and reload.h in that order.
3408 * config/sparc/sparc.c: Include debug.h.
3409 * recog.c: Include insn-codes.h.
3411 2001-08-13 Andreas Jaeger <aj@suse.de>
3413 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
3416 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3418 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
3419 * gcc.c (init_spec): Fix typo in comment.
3420 * varasm.c (data_section): Fix typo in comment.
3422 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3424 * predict.c (dump_prediction): New argument "USED".
3425 (combine_predictions_for_insn): Determine the used heuristics,
3426 output the case no heuristic applied.
3427 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
3429 2001-08-13 Andreas Jaeger <aj@suse.de>
3431 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
3434 2001-08-13 Kazu Hirata <kazu@hxi.com>
3436 * jump.c: Fix formatting.
3438 2001-08-13 Kazu Hirata <kazu@hxi.com>
3440 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
3443 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
3445 * loop.c (check_dbra_loop): Use condjump_label to compute
3448 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
3449 to better document the files they're in.
3451 2001-08-12 Zack Weinberg <zackw@panix.com>
3453 * recog.h (struct insn_operand_data): Shrink 'mode' field
3456 2001-08-12 Kazu Hirata <kazu@hxi.com>
3458 * gcc.c: Fix comment formatting.
3459 * gccspec.c: Likewise.
3462 * genemit.c: Likewise.
3463 * gengenrtl.c: Likewise.
3464 * genrecog.c: Likewise.
3465 * gensupport.c: Likewise.
3466 * ggc-page.c: Likewise.
3467 * global.c: Likewise.
3468 * graph.c: Likewise.
3469 * ifcvt.c: Likewise.
3470 * integrate.c: Likewise.
3472 * libgcc2.c: Likewise.
3474 * mbchar.c: Likewise.
3475 * optabs.c: Likewise.
3476 * predict.c: Likewise.
3477 * prefix.c: Likewise.
3478 * profile.c: Likewise.
3479 * protoize.c: Likewise.
3481 * recog.c: Likewise.
3482 * regclass.c: Likewise.
3483 * regmove.c: Likewise.
3484 * reg-stack.c: Likewise.
3485 * reload1.c: Likewise.
3486 * resource.c: Likewise.
3487 * rtlanal.c: Likewise.
3490 2001-08-12 Kazu Hirata <kazu@hxi.com>
3492 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
3493 a tree representing a constant is passed to the macro.
3495 2001-08-12 Richard Henderson <rth@redhat.com>
3497 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
3498 (rs6000_elf_asm_out_destructor): New.
3499 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
3500 (DTORS_SECTION_ASM_OP): Remove.
3501 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3502 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
3504 2001-08-12 David Edelsohn <edelsohn@gnu.org>
3507 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3508 * gcc.c (set_collect_gcc_options): New function, split out from
3510 Ignore elided switches.
3511 (do_spec_1): Invoke before executing command.
3512 (set_input): Export.
3513 Move declaration ...
3514 * gcc.h (set_input): ... here.
3515 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3518 2001-08-12 Richard Henderson <rth@redhat.com>
3520 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
3521 thinko wrt TARGET_RELOCATABLE.
3523 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
3525 * fix-header.c (cb_file_change): Update prototype.
3527 2001-08-11 Zack Weinberg <zackw@panix.com>
3529 * toplev.c (set_float_handler): Make static.
3530 * toplev.h: Don't prototype set_float_handler.
3532 * simplify-rtx.c: Don't include setjmp.h.
3533 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
3535 (simplify_unary_operation, simplify_binary_operation): Use them,
3536 via do_float_handler.
3538 * fold-const.c: Don't include setjmp.h.
3539 (exact_real_inverse_1): New function.
3540 (exact_real_inverse): Use it, via do_float_handler.
3542 * varasm.c: Don't include setjmp.h.
3543 (assemble_real_1): New function.
3544 (assemble_real): Use it, via do_float_handler.
3545 Call internal_error if we get a trap here.
3547 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
3548 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
3550 2001-08-11 Zack Weinberg <zackw@panix.com>
3552 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
3553 STACK_BOUNDARY if not already defined.
3555 * calls.c, function.c, reload1.c, explow.c: Don't default
3556 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
3557 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
3559 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
3562 * doc/tm.texi: Document that STACK_BOUNDARY is required;
3563 clarify difference between it and PREFERRED_STACK_BOUNDARY.
3565 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3567 * cppmacro.c (enter_macro_context): Push macro expansions even
3570 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3572 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
3573 (rs6000_elf_section_type_flags): Actually return a value.
3575 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3577 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
3578 Clean up code: add missing comments and prototypes, fix warnings,
3579 remove obsolete code, fix spacing to conform to coding style.
3581 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3583 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
3584 and TARGET_ASM_CLOSE_PAREN.
3585 (regclass_map): CC register belongs to class NO_REGS.
3586 (legitimize_pic_address): Don't generate unnecessary moves
3587 (to avoid confusing loop optimization).
3588 (check_and_change_labels): Replace jump_long by indirect_jump.
3589 (s390_final_chunkify): Don't start a new literal pool on section
3590 switch in 64-bit code.
3591 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
3593 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
3594 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
3595 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
3597 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
3598 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
3599 (CONST_COSTS): Fixed incorrect costs.
3601 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
3602 Use emit_jump instead of emit_jump_insn (gen_jump).
3603 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
3604 (to avoid confusing flow analysis).
3605 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
3606 (casesi, casesi_jump): New.
3607 (jump_long): Removed. Functionality merged into indirect_jump.
3608 (indirect_jump): Accept address_operand, not just register_operand.
3609 (cjump_long, icjump_long): Use same logic as indirect_jump.
3610 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
3611 Fixed broken setjmp/longjmp handling.
3612 (do_builtin_setjmp_setup): Removed.
3614 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
3615 broken GNU as versions that don't accept .quad with large
3616 negative values. Use hexadecimal output instead.
3617 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
3618 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
3619 FUNCTION_EPILOGUE): Removed. Now in targetm.
3621 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
3623 * config/s390/fixdfdi.h: Add missing copyright statement.
3624 Fix type conflicts on 64-bit. Add missing SFmode routines.
3626 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
3629 2001-08-11 Richard Henderson <rth@redhat.com>
3631 * rtl.h (REG_EH_RETHROW): Remove.
3632 * rtl.c (reg_note_name): Update.
3633 * combine.c (distribute_notes): Don't check for it.
3635 2001-08-11 Richard Henderson <rth@redhat.com>
3637 * combine.c (distribute_notes): Place REG_SETJMP.
3639 2001-08-11 Richard Henderson <rth@redhat.com>
3641 * doc/extend.texi (Arrays and pointers implementation): Discourage
3642 relying on sign-extension of pointers.
3644 2001-08-11 H.J. Lu <hjl@gnu.org>
3646 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
3648 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
3649 RDATA_SECTION_ASM_OP.
3651 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3653 * doc/install.texi (Specific, c4x): Fix cross-reference to the
3654 main manual to work both for info and HTML versions.
3656 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3657 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3659 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
3660 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
3661 (struct cpp_pool): New member first.
3662 * cppinit.c (append_include_chain): Plug memory leaks.
3663 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
3664 Allocate pragma structures from the (aligned) macro pool to
3665 avoid leaking memory.
3666 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
3667 so we don't leak memory.
3668 * hashtable.c (ht_destroy): New.
3669 * hashtable.h (ht_destroy): New.
3671 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3672 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3674 * c-lex.c (map): Make const.
3675 (cb_file_change): Update for callback passing a line map.
3676 Don't assume we have a previous map. Remove sanity check
3677 about popping too many files.
3678 * cpperror.c (print_location): Make map const.
3679 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
3680 (cpp_make_system_header): Similarly.
3681 (search_from): Similarly.
3682 (_cpp_execute_include): Don't remember where we came from.
3683 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
3684 (struct cpp_reader): Make map const.
3685 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
3686 * cpplib.c (do_line): Update; line maps now hold sysp.
3687 (cpp_push_buffer): Similarly.
3688 (_cpp_do_file_change): Similarly; callback with map instead.
3689 (cpp_get_line_maps): Constify return value.
3690 (_cpp_pop_buffer): Update.
3691 * cpplib.h (struct cpp_file_change): Remove.
3692 (struct cpp_callbacks): Update.
3693 (cpp_get_line_maps): Constify return value.
3694 * cppmacro.c (_cpp_create_definition): Update.
3695 * cppmain.c (struct printer): Constify map.
3696 (maybe_print_line): Similarly.
3697 (print_line): Similarly. Deduce flags 1 and 2 here.
3698 (cb_file_change): Update.
3699 * line-map.c (free_line_maps): Warn regardless.
3700 (add_line_map): Return pointer to const. When passed NULL to_file
3701 with LC_LEAVE, use the obvious values for the return point so the
3702 caller doesn't have to figure them out.
3703 (lookup_line): Return pointer to const.
3704 (print_containing_files): Take pointer to const.
3705 * line-map.h (struct line_map): New members reason, sysp.
3706 (add_line_map): Return pointer to const.
3707 (lookup_line): Similarly.
3708 (print_containing_files): Take pointer to const.
3710 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
3711 Richard Henderson <rth@redhat.com>
3713 * regmove.c (regmove_optimize): Avoid setting a register twice in
3716 2001-08-10 Richard Henderson <rth@redhat.com>
3718 * doc/extend.texi (Arrays and pointers implementation): Document
3719 behavior of pointer/integer conversion.
3721 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
3723 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
3725 2001-08-10 Richard Henderson <rth@redhat.com>
3727 * doc/extend.texi (C Implementation): New chapter.
3728 * doc/gcc.texi (Top): Link it in.
3730 2001-08-10 Andrew Cagney <ac131313@redhat.com>
3732 * doc/install.texi (Specific): Fix CVS merge botch.
3734 2001-08-10 Richard Henderson <rth@redhat.com>
3736 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
3737 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
3739 2001-08-10 Zack Weinberg <zackw@stanford.edu>
3741 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
3742 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
3743 this macro is now required.
3745 * cselib.c (cselib_process_insn), flow.c (propagate_block),
3746 loop.c (find_and_verify_loops), reload.c (reload): Check
3747 for rtx code of CALL_INSN, not CALL, when deciding if we
3748 need to check for REG_SETJMP note.
3750 * gcse.c (compute_hash_table, compute_store_table): Update
3751 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
3754 * config/avr/avr.c: Fix typo.
3755 * config/convex/convex.c (expand_movstr): Use adjust_address.
3756 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
3758 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
3759 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
3761 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
3762 Do define STACK_BOUNDARY.
3763 * config/i370/i370.c: Include expr.h.
3764 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
3765 config/pa/som.h, config/v850/v850.h: Take in_ctors and
3766 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
3767 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
3768 * config/m88k/m88k.c: Include c-tree.h after expr.h.
3769 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
3770 * config/romp/romp.c: Include expr.h after tree.h.
3772 (output_fpop): Use xmalloc, not oballoc.
3773 * config/we32k/we32k.c: Include expr.h.
3775 2001-08-10 Kazu Hirata <kazu@hxi.com>
3777 * config/h8300/h8300.h: Fix formatting.
3779 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
3781 * c-common.h (RETURN_NULLIFIED_P): Lose.
3782 * c-semantics.c (genrtl_return_stmt): Don't check it.
3784 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3786 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
3787 (mips_annotate_frame_insn): New function.
3788 (mips_emit_frame_related_store): New function.
3789 (save_restore_insns): Don't mark instructions that set up the base
3790 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
3791 the store instructions instead.
3792 (mips_expand_prologue): If the stack size is moved into a temporary
3793 register, do not mark that move as frame-related. Add a
3794 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
3796 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3798 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
3799 stack slot as unchanging if current_function_calls_eh_return.
3801 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3803 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
3804 access the second half of the TFmode scratch operand.
3806 2001-08-10 Anthony Green <green@redhat.com>
3808 * java/class.c (emit_register_classes): Conditionalize code on
3811 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3813 * doc/install.texi (Specific, avr): Fix cross-reference to the
3814 main manual to work both for info and HTML versions.
3816 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3818 * stmt.c (expand_null_return_1): Remove code to generate simple returns
3819 and "use_goto" argument.
3820 (expand_null_return, expand_value_return): Update all callers.
3821 * function.c (expand_function_end): Remove code to generate simple
3823 * config/vax/vax.md (epilogue): New expander for function return.
3824 * doc/md.texi (epilogue): Remove "if defined".
3826 2001-08-09 Zack Weinberg <zackw@stanford.edu>
3828 * Makefile.in: Partially revert my previous change:
3829 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
3830 of the hashtab.o and safe-ctype.o rules.
3832 2001-08-09 Richard Henderson <rth@redhat.com>
3834 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
3835 (USE_COLLECT2): Remove duplicate definition.
3836 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
3837 (use_collect2): Remove dead code.
3838 * configure.in (use_collect2): Remove will_use_collect2 and
3839 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
3840 * configure: Rebuild.
3842 * target.h (targetm.asm_out.constructor): New.
3843 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
3844 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
3845 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
3846 * varasm.c (in_ctors, in_dtors): New.
3847 (assemble_constructor, assemble_destructor): Remove.
3848 (default_stabs_asm_out_destructor): New.
3849 (default_named_section_asm_out_destructor): New.
3850 (dtors_section, default_dtor_section_asm_out_destructor): New.
3851 (default_stabs_asm_out_constructor): New.
3852 (default_named_section_asm_out_constructor): New.
3853 (ctors_section, default_ctor_section_asm_out_constructor): New.
3854 * output.h: Update declarations.
3855 * c-decl.c (c_expand_body): Use target hooks instead of
3856 assemble_constructor and assemble_destructor.
3857 * profile.c (output_func_start_profiler): Likewise.
3858 * objc/objc-act.c (finish_objc): Likewise.
3859 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
3860 for the constructor.
3861 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
3863 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
3864 (DTORS_SECTION_ASM_OP): Likewise.
3865 (__CTOR_LIST__): Use attribute section when possible.
3866 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
3868 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
3869 ASM_OUTPUT_CONSTRUCTOR.
3871 * config/darwin.c (machopic_asm_out_constructor): New.
3872 (machopic_asm_out_destructor): New.
3873 * config/darwin-protos.h: Update declarations.
3874 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3875 (ASM_OUTPUT_DESTRUCTOR): Remove.
3876 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3877 * config/nextstep.c (nextstep_asm_out_constructor): New.
3878 (nextstep_asm_out_destructor): New.
3879 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3880 (ASM_OUTPUT_DESTRUCTOR): Remove.
3881 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3882 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
3883 ASM_OUTPUT_*STRUCTOR.
3884 * config/i386/aix386ng.h: Likewise.
3886 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
3887 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
3888 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
3889 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3890 * config/lynx.h: Likewise.
3891 * config/netware.h: Likewise.
3892 * config/psos.h: Likewise.
3893 * config/alpha/alpha-interix.h: Likewise.
3894 * config/alpha/elf.h: Likewise.
3895 * config/arc/arc.h: Likewise.
3896 * config/arm/aof.h: Likewise.
3897 * config/arm/coff.h: Likewise.
3898 * config/arm/elf.h: Likewise.
3899 * config/c4x/c4x.h: Likewise.
3900 * config/h8300/h8300.h: Likewise.
3901 * config/i386/cygwin.h: Likewise.
3902 * config/i386/djgpp.h: Likewise.
3903 * config/i386/i386-coff.h: Likewise.
3904 * config/i386/i386-interix.h: Likewise.
3905 * config/i386/sco5.h: Likewise.
3906 * config/i386/vsta.h: Likewise.
3907 * config/i386/win32.h: Likewise.
3908 * config/i960/i960-coff.h: Likewise.
3909 * config/ia64/sysv4.h: Likewise.
3910 * config/m68hc11/m68hc11.h: Likewise.
3911 * config/m68k/coff.h: Likewise.
3912 * config/m68k/mot3300.h: Likewise.
3913 * config/m88k/m88k.h: Likewise.
3914 * config/mcore/mcore-pe.h: Likewise.
3915 * config/mcore/mcore.h: Likewise.
3916 * config/mips/elf.h: Likewise.
3917 * config/mips/elf64.h: Likewise.
3918 * config/mips/iris6.h: Likewise.
3919 * config/pa/pa64-hpux.h: Likewise.
3920 * config/rs6000/sysv4.h: Likewise.
3921 * config/sh/sh.h: Likewise.
3922 * config/sparc/litecoff.h: Likewise.
3924 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
3925 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
3926 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3927 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3928 (ASM_OUTPUT_DESTRUCTOR): Remove.
3929 * config/a29k/a29k.c: Move include of tree.h.
3930 * config/a29k/udi.h: Delete file.
3931 * config/alpha/alpha.c (vms_asm_out_constructor): New.
3932 (vms_asm_out_destructor): New.
3933 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
3934 (EXTRA_SECTION_FUNCTIONS): Likewise.
3935 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3936 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3937 * config/c4x/c4x.c: Move include of tree.h.
3938 * config/clipper/clipper.c (clix_asm_out_constructor): New.
3939 (clix_asm_out_destructor): New.
3940 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3941 (ASM_OUTPUT_DESTRUCTOR): Remove.
3942 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3943 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3944 (TARGET_ASM_CONSTRUCTOR): New.
3945 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
3946 (sco_asm_out_constructor): New.
3947 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
3948 * config/i386/svr3gas.h: Remove stack grows up code.
3949 Remove code duplicated from i386/sysv3.h.
3950 (TARGET_ASM_CONSTRUCTOR): New.
3951 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3952 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
3953 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3954 (TARGET_ASM_CONSTRUCTOR): New.
3955 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
3956 (m68hc11_asm_out_destructor): New.
3957 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
3958 (TARGET_ASM_DESTRUCTOR): New.
3959 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
3960 * config/m68k/dpx2.h: Properly undef all the bits inherited from
3961 config/svr3.h pertaining to section manipulation.
3962 * config/m68k/dpx2g.h: Remove #if 0 code.
3963 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
3964 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
3965 (ASM_OUTPUT_CONSTRUCTOR): Remove.
3966 (TARGET_ASM_CONSTRUCTOR): New.
3967 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
3968 (m88k_svr3_asm_out_constructor): New.
3969 (m88k_svr3_asm_out_destructor): New.
3970 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3971 (ASM_OUTPUT_DESTRUCTOR): Remove.
3972 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3973 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
3974 * config/rs6000/aix.h: Likewise.
3975 * config/mips/rtems64.h: Don't undef removed constructor related bits.
3976 * config/mips/vxworks.h: Likewise.
3977 * config/rs6000/lynx.h: Likewise.
3978 * config/sh/elf.h: Likewise.
3979 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
3980 (DTORS_SECTION_ASM_OP): New.
3981 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3982 (ASM_OUTPUT_DESTRUCTOR): Remove.
3983 * config/sparc/sol2-sld-64.h: Likewise.
3984 * config/vax/vax.c (vms_asm_out_constructor): New.
3985 (vms_asm_out_destructor): New.
3986 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3987 (ASM_OUTPUT_DESTRUCTOR): Remove.
3988 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3990 * doc/tm.texi (@node Initialization): Update.
3992 2001-08-09 Richard Henderson <rth@redhat.com>
3994 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
3995 (__do_global_dtors_aux): Use gp-relative static data to avoid
3996 one dynamic relocation.
3997 (__do_frame_setup): Register Java classes.
3998 * config/alpha/crtend.asm (__JCR_END__): New.
4000 2001-08-09 Zack Weinberg <zackw@stanford.edu>
4002 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
4003 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
4004 (GEN, STAGESTUFF): Add new files.
4005 (insn-constants.h, s-constants, tm-preds.h, s-preds,
4006 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
4007 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
4008 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
4009 as well as insn-codes.h and insn-flags.h in config.h; and no
4010 extra headers in tconfig.h and hconfig.h.
4012 * gencodes.c: Eliminate code to generate predicate declarations
4013 or #defines for md-file constants.
4014 * genconstants.c, genpreds.c: New files.
4016 * i386.md: Re-order guard expressions such that TARGET_64BIT
4017 comes first, when this permits better optimization. Add
4018 TARGET_64BIT to more x86-64 patterns. Add comment explaining
4019 why this is desirable.
4021 2001-08-09 Jakub Jelinek <jakub@redhat.com>
4023 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
4024 (find_fde_for_dso): Remove.
4025 (_Unwind_IteratePhdrCallback): New.
4026 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
4027 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
4029 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4031 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
4032 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
4034 2001-08-09 Graham Stott <grahams@redhat.com>
4036 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
4037 (vis_no_unit): Use it.
4038 (visualize_no_unit): Add the insn only if room exists.
4040 2001-08-09 Graham Stott <grahams@redhat.com>
4042 * predict.c (estimate_probability): Replace magic numbers with
4043 appropriate enumeration.
4045 2001-08-09 Graham Stott <grahams@redhat.com>
4047 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
4049 (EXTRACT_FLAGS): Likewise.
4051 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
4053 * config/mips/mips.c (mips_legitimate_address_p): Check for
4054 CONST_INT in last patch.
4056 2001-08-08 Anthony Green <green@redhat.com>
4058 * java/class.c (emit_register_classes): Use assemble_jcr if
4059 possible. Keep the original mechanism as a fallback.
4060 * defaults.h (JCR_SECTION_NAME): Define if we have named section
4061 and weak symbol support.
4062 * crtstuff.c (__JCR_LIST__): Define.
4063 (__JCR_END__): Define.
4064 (_Jv_RegiserClasses): Define weak symbol if possible.
4065 (__do_global_ctors_aux): Register classes for ELF targets with
4066 weak symbol support.
4068 2001-08-08 Kazu Hirata <kazu@hxi.com>
4070 * dbxout.c: Fix comment formatting.
4071 * dependence.c: Likewise.
4073 * diagnostic.c: Likewise.
4074 * dominance.c: Likewise.
4075 * doprint.c: Likewise.
4076 * dwarf2out.c: Likewise.
4077 * dwarfout.c: Likewise.
4078 * emit-rtl.c: Likewise.
4079 * except.c: Likewise.
4080 * explow.c: Likewise.
4081 * expmed.c: Likewise.
4084 * fold-const.c: Likewise.
4085 * function.c: Likewise.
4087 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4089 * global.c (retry_global_alloc): Avoid shadowing allocno.
4091 2001-08-08 Mark Mitchell <mark@codesourcery.com>
4093 * except.c (remove_fixup_regions): Fix typo.
4095 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
4097 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
4098 unsigned HOST_WIDE_INT to avoid warning.
4099 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
4100 * flow.c (set_block_for_new_insns): Likewise.
4102 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
4104 * sibcall.c (return_value_pseudo): New static variable.
4105 (skip_copy_to_return_value): Handle return_value_pseudo.
4106 (call_ends_block_p): Ensure that return_value_pseudo is set.
4107 (optimize_sibling_and_tail_recursive_call): Discover the
4108 load of pseudo return value in alternate exit block.
4110 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4112 * calls.c (ECF_ALWAYS_RETURN): New constant.
4113 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
4114 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
4115 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
4116 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
4117 * rtl.c (reg_note_name): New name.
4118 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
4120 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
4122 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
4124 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4126 * alias.c (get_alias_set): Return a previously calculated
4127 alias set for a VAR_DECL.
4128 * function.c (gen_mem_addressof): Calculate the alias set before
4131 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
4133 * predict.def: Set hitrates according our experimental run.
4135 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4137 * i386.h (HARD_REGNO_RENAME_OK): New macro.
4139 2001-08-08 H.J. Lu <hjl@gnu.org>
4141 * config/mips/mips.c (mips_unique_section): New. Copied from
4144 * config/mips/mips-protos.h (mips_unique_section): New
4147 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
4149 * config/mips/little.h: New. Generic little endian mips
4150 targets. Only mips*-*-linux* is converted to use it so far.
4152 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
4153 (WCHAR_TYPE): Defined
4154 (WCHAR_TYPE_SIZE): Likewise.
4155 (INIT_SUBTARGET_OPTABS): Likewise.
4156 (BSS_SECTION_ASM_OP): Likewise.
4157 (SBSS_SECTION_ASM_OP): Likewise.
4158 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
4159 (ASM_DECLARE_OBJECT_NAME): Likewise.
4160 (UNIQUE_SECTION): Likewise.
4161 (EXTRA_SECTIONS): Likewise.
4162 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4163 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4164 (ASM_OUTPUT_DEF): Likewise.
4165 (HANDLE_SYSV_PRAGMA): Removed.
4166 (NO_IMPLICIT_EXTERN_C): Likewise.
4167 (TARGET_MEM_FUNCTIONS): Likewise.
4168 (STARTFILE_SPEC): Likewise.
4169 (ENDFILE_SPEC): Likewise.
4170 (LIB_SPEC): Likewise.
4171 (INVOKE__main): Likewise.
4172 (CTOR_LIST_BEGIN): Likewise.
4173 (CTOR_LIST_END): Likewise.
4174 (DTOR_LIST_BEGIN): Likewise.
4175 (DTOR_LIST_END): Likewise.
4176 (SET_ASM_OP): Likewise.
4177 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4178 (ASM_OUTPUT_DEF): Likewise.
4179 (ASM_OUTPUT_IDENT): Likewise.
4181 * config/mips/mips.h (ASM_SPEC): Undefine before define.
4182 (CPLUSPLUS_CPP_SPEC): Likewise.
4183 (ASM_APP_ON) Redefine only if not defined.
4184 (ASM_APP_OFF): Likewise.
4185 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4186 (ASM_OUTPUT_IDENT): Likewise.
4188 * config.gcc: Update tm_file for Linux/mips.
4190 2001-08-08 Bernd Schmidt <bernds@redhat.com>
4192 * cselib.c (cselib_record_sets): If insn is predicated, turn
4193 sources into IF_THEN_ELSEs.
4195 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
4196 Turn into define_insn_and_split.
4198 * sched-deps.c: Include "cselib.h".
4199 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
4200 Use cselib to turn memory addresses into VALUEs.
4201 (sched_analyze): Call cselib_init/cselib_finish if necessary.
4202 * sched-int.h (struct sched_info): New member USE_CSELIB.
4203 * sched-ebb.c (ebb_sched_info): Initialize it.
4204 * sched-rgn.c (rgn_sched_info): Likewise.
4205 * Makefile.in (sched-deps.o): Update dependencies.
4207 * cselib.h (cselib_subst_to_values): Declare.
4208 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
4209 that have no value and autoincs to be handled by generating a new
4212 2001-08-08 Graham Stott <grahams@redhat.com>
4214 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
4215 within fixed length SEQUENCE.
4217 2001-08-08 Graham Stott <grahams@redhat.com>
4219 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
4220 (diagnostic_prefixing_rule): Likewise.
4221 (diagnostic_line_cutoff): Likewise.
4222 (diagnostic_kind_count): Likewise.
4224 2001-08-08 Graham Stott <grahams@redhat.com>
4226 * alias.c (find_base_decl): Delete redundent assignment.
4228 2001-08-08 Graham Stott <grahams@redhat.com>
4230 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
4231 (abs): Uppercase and paranthesize macro parameter.
4232 (MEM_DEPENDENCY): Add whitespace.
4234 2001-08-08 Graham Stott <grahams@redhat.com>
4236 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
4237 failure check for CONST_INT
4239 2001-08-08 Graham Stott <grahams@redhat.com>
4241 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
4242 (libcall_dead_p): Likewise.
4244 (mark_used_regs): Constify fmt.
4245 (find_use_as_address): Likewise.
4247 2001-08-08 Graham Stott <grahams@redhat.com>
4249 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
4252 2001-08-08 Graham Stott <grahams@redhat.com>
4254 * combine.c (combine_simplify_rtx): Update comment and
4255 remove erroneous test.
4257 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4259 * cppinit.c (cpp_finish): Pop the final buffer without comment.
4260 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
4261 take care to avoid multiple no-newline at EOF warnings in that
4264 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
4266 * calls.c (expand_call): Do not emit INSN_SETJMP note.
4267 (emit_library_call_value_1): Likewise.
4268 (emit_call_1): Emit REG_SETJMP note.
4269 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
4271 * cselib.c (cselib_process_insn): Likewise.
4272 * flow.c (propagate_block): Likewise.
4273 * loop.c (find_and_verify_loops): Likewise.
4274 * reload.c (find_equiv_regs): Likewise.
4275 * reload1.c (reload): Likewise.
4276 * resource.c (mark_referenced_resources,
4277 mark_set_resources): Likewise.
4278 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
4279 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
4280 * haifa-sched.c (unlink_other_notes): Likewise.
4281 (reemit_notes): Likewise.
4282 * sched-ebb.c (sched_ebb): Likewise.
4283 * sched-rgc.c (sched_region): Likewise.
4284 * rtl.c (note_insn_name): Likewise.
4285 (reg_note_name): Add REG_SETJMP
4286 * rtl.h (reg_note): Add REG_SETJMP.
4287 (insn_note): Remove NOTE_INSN_SETJMP.
4289 * profile.c (branch_prob): Add fake edges for setjmp.
4291 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
4293 * config.gcc: Quote target_cpu_default2 correctly for
4294 powerpc*-*-* targets.
4296 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4298 * cpplib.h, line-map.h: Update comments.
4299 * cppmain.c (printer_init): Move inline.
4300 (maybe_print_line, print_line): Take a map pointer.
4301 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
4302 (cb_file_change): Don't use prior value of print.map.
4304 2001-08-07 David Edelsohn <edelsohn@gnu.org>
4306 * doc/install.texi: Document fine-grained multilib configuration.
4308 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
4310 * rtlanal.c (find_first_parameter_load): Call note_stores
4311 only on the instructions.
4313 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4315 * alias.c (nonlocal_mentioned_p):
4316 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
4317 * calls.c (emit_call_1): Likewise.
4318 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
4319 * cselib.c (cselib_process_insn): Likewise.
4320 * df.c (df_insns_modify): Likewise.
4321 * flow.c (need_fake_edge_p): Likewise.
4322 (propagate_one_insn): Likewise.
4323 * haifa-sched.c (reemit_notes): Likewise.
4324 * integrate.c (copy_insn_list): Likewise.
4325 * jump.c (delete_prior_computation): Likewise.
4326 * local-alloc.c (validate_equiv_mem): Likewise.
4327 * loop.c (scan_loop): Likewise.
4328 * predict.c (estimate_probability): Likewise.
4329 * reload.c (reload): Likewise.
4330 * sched-deps (sched_analyze): Likewise.
4331 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
4332 * gcse.c (compute_hash_table): Likewise.
4333 (mark_call): Likewise.
4334 (store_killed_in_insn): Likewise.
4336 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
4338 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
4340 2001-08-06 Richard Henderson <rth@redhat.com>
4342 * varasm.c (assemble_gc_entry): Remove.
4343 * output.h: Likewise.
4345 2001-08-06 Richard Henderson <rth@redhat.com>
4347 * varasm.c (assemble_constructor): Take a symbol_ref and a
4348 priority instead of a bare string. Move priority handling
4349 here from cp/decl2.c.
4350 * output.h: Update decls.
4352 * c-decl.c (c_expand_body): Update calls to assemble_constructor
4353 and assemble_destructor.
4354 * profile.c (output_func_start_profiler): Likewise.
4355 * objc/objc-act.c (finish_objc): Likewise.
4356 (build_module_descriptor): Return the symbol not the symbol name.
4358 2001-08-06 David Edelsohn <edelsohn@gnu.org>
4360 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
4361 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
4362 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
4363 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
4364 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
4365 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
4367 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4369 * cpperror.c (print_containing_files): Moved to line-map.c.
4370 (print_location): line-map.c handles re-listing or otherwise.
4371 * cpphash.h (struct lexer_state): Remove next_bol.
4372 (struct cpp_buffer): Remove include_stack_listed.
4373 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
4374 Remove faked buffer handling.
4375 (_cpp_do_file_change): Tweak.
4376 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
4377 * cppmain.c (struct printer): Remove filename.
4378 (print_line, cb_file_change): Update accordingly.
4379 * line-map.c: Include intl.h.
4380 (init_line_maps): Initialize last_listed.
4381 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
4382 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
4383 (print_containing_files): New.
4384 * line-map.h (struct line_maps): New member last_listed.
4385 (print_containing_files, INCLUDED_FROM): New.
4386 * Makefile.in: Update.
4387 * po/POTFILES.in: Add line-map.c.
4389 2001-08-06 Richard Henderson <rth@redhat.com>
4391 * except.c (convert_from_eh_region_ranges_1): Never mark
4392 USE or CLOBBER insns as throwing.
4394 * expr.c (store_constructor): Don't clobber memory targets.
4396 2001-08-06 Andreas Jaeger <aj@suse.de>
4398 * profile.c (branch_prob): Remove unused variable insn.
4400 * Makefile.in (local-alloc.o): Add dependency on except.h.
4402 * local-alloc.c: Include except.h for can_throw_internal prototype.
4404 2001-08-06 Richard Henderson <rth@redhat.com>
4406 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4407 * function.c (expand_main_function): Implement it.
4408 * doc/tm.texi: Document it.
4410 2001-08-06 Stan Shebs <shebs@apple.com>
4412 * doc/install.texi: Document powerpc-*-darwin* details.
4414 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
4416 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
4417 (ASM_CPU_SPEC): Move back to rs6000.h
4418 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
4420 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
4422 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
4425 * config/rs6000/linux64.h: Ditto.
4427 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4428 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
4431 Remove accidently readded definitions of FUNCTION_PROLOGUE,
4432 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
4434 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4437 2001-08-05 Richard Henderson <rth@redhat.com>
4439 * local-alloc.c (update_equiv_regs): Do not move insns that
4442 2001-08-05 Jan Hubicka <jh@suse.cz>
4444 * Makefile.in (reload1.o): Add dedendancy on except.h
4445 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
4447 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
4448 indicating wehther edges has been cleaned up.
4449 * reload1.c: Inlucde except.h
4450 (fixup_abnormal_edges): Accept deleted insns.
4451 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
4454 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4456 * cpplib.c (do_line): Correct line number after pop_buffer.
4458 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4460 PR preprocessor/3824
4461 * line-map.c: Update comments.
4462 * line-map.h: Update comments.
4463 * tradcif.y: Don't consider large numbers unsigned.
4465 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4467 PR preprocessor/3081
4468 * c-lex.c (map): New.
4469 (cb_file_change): Update map and use it.
4470 (cb_def_pragma, cb_define, cb_undef): Use map and line.
4471 (c_lex): Update to use map.
4472 * cpperror.c (print_location): Move to using logical line numbers.
4473 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
4474 (cpp_make_system_header): Similarly.
4475 (_cpp_execute_include): Stop line numbering hacks. Store the
4476 line we will return to.
4477 * cpphash.h (CPP_BUF_LINE): Remove.
4478 (struct cpp_buffer): Remove lineno and pseudo_newlines.
4479 Add map and return_to_line.
4480 (_cpp_do_file_change): Update.
4481 * cppinit.c (cpp_start_read): Update line kludge.
4482 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
4483 (trigraph_ok): Use logical line numbers for diagnostics.
4484 (skip_block_comment): Likewise.
4485 (skip_whitespace): Likewise.
4486 (skip_line_comment): Use pfile->line instead.
4487 (_cpp_lex_token): Update to use logical line numbering exclusively.
4488 Handle BOL locally. Accept new lines in directives, but keep
4489 pfile->line decremented. Diagnostics use logical lines. Update
4491 * cpplib.c (SEEN_EOL): New.
4492 (skip_rest_of_line, check_eol): Use it.
4493 (end_directive): Increase line number when accepting the newline
4494 at the end of a directive.
4495 (run_directive): Simplify.
4496 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
4497 (_cpp_do_file_change): Update to take buffer line number as an
4498 argument, and store the current map in the cpp_reader. Remove
4499 line number kludges.
4500 (_cpp_do__Pragma): Restore output position after a _Pragma.
4501 (cpp_push_buffer): Don't set output line or lineno.
4502 (_cpp_pop_buffer): Transfer more info from a faked buffer.
4503 Remove line kludge. Set output_line.
4504 * cppmacro.c (builtin_macro): Update handling of __LINE__.
4505 (parse_arg): Use logical lines.
4506 (save_lookahead_token): Save EOFs too now.
4507 * cppmain.c (struct printer): Fix comments.
4508 (printer_init): Simplify, let caller do errors.
4509 (scan_translation_unit, check_multiline_token, dump_macro): Update.
4510 (maybe_print_line): Simplify.
4511 (print_line): Don't print a linemarker if -P.
4512 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
4513 (cb_file_change): Simplify.
4514 * line-map.h (LAST_SOURCE_LINE): Fix.
4515 (CURRENT_LINE_MAP): New.
4517 2001-08-05 Bernd Schmidt <bernds@redhat.com>
4519 * doloop.c (doloop_modify_runtime): Properly compute number of
4520 iterations if loop was unrolled.
4522 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
4523 if their CSELIB_VAL_PTRs are.
4525 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
4526 (setup_spill_pointers): Initialize it.
4527 (spill_restore_mem): Set it.
4528 (do_spill, do_restore): Use it to add REG_INC note.
4529 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
4531 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
4532 asms if other insns are available.
4534 * config/ia64/ia64.c (condop_operator): New predicate.
4535 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
4536 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
4539 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
4540 temporary register than directly using a MEM.
4542 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4544 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
4545 parameter in last change.
4547 2001-08-04 Zack Weinberg <zackw@panix.com>
4549 * sparc.md: Don't use #if inside C test expression.
4551 2001-08-04 Richard Henderson <rth@redhat.com>
4553 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
4555 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
4557 * cpphash.h (struct cpp_reader): New member directive_line.
4558 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
4559 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
4560 do_pragma): Pass line to callbacks.
4561 (start_directive): Record line of directive.
4562 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
4563 cb_include): Similarly.
4564 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
4567 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4569 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
4572 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4574 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
4576 * reload1.c (fixup_abnormal_edges): New static function.
4579 * flow.c (need_fake_edge_p): New function.
4580 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
4581 avoid call insn to be very last insn in the insn stream.
4583 * profile.c (branch_prob): Call flow_call_edges_add instead of
4584 doing that by hand; cleanup cfg to re-merge basic blocks once
4587 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4589 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
4590 are also on line-map.h.
4591 * cppfiles.c (stack_include_file): Update.
4592 * cpphash.h (struct cpp_buffer): New member return_at_eof.
4593 (_cpp_pop_buffer): New.
4594 * cppinit.c (cpp_destroy, cpp_finish): Update.
4595 (do_includes): Mark each buffer to return at EOF.
4596 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
4597 return as requested.
4598 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
4599 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
4600 * cpplib.h (cpp_pop_buffer): Remove.
4601 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
4602 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
4604 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
4606 (do_preprocessing): Update.
4607 * fix-header.c (read_scan_file): Update. No need to pop buffers.
4608 * c-parse.in (_yylex): Similarly.
4609 * scan-decls.c (scan_decls): Similarly.
4610 * line-map.h: Update comments.
4612 * objc/Make-lang.in (objc-act.o): Update dependencies.
4614 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4616 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
4617 and soft register for operand 0.
4618 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
4620 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4622 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
4623 register for operand 0.
4624 ("bitcmpqi_z_used"): Allow memory for operand 0.
4625 (split "bitcmpqi"): New split to handle address reg as operand 1.
4627 2001-08-04 Andreas Jaeger <aj@suse.de>
4629 * gcse.c: Revert Daniel's last patch.
4631 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4633 * sparc-protos.h: Add prototypes for fp_zero_operand and
4635 * sh-protos.h: Add prototype for fpul_operand.
4637 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4639 * doc/extend.texi (Other Builtins): Fix typo in last change.
4641 2001-08-03 Richard Henderson <rth@redhat.com>
4643 * target.h (gcc_target): Add asm_out.named_section,
4644 section_type_flags, have_named_sections.
4645 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
4646 (TARGET_HAVE_NAMED_SECTIONS): New.
4647 (TARGET_SECTION_TYPE_FLAGS): New.
4649 * Makefile.in (toplev.o): Depend on TARGET_H.
4650 (varasm.o, dbxout.o): Likewise.
4651 * c-common.c (decl_attributes): Check targetm.have_named_sections
4652 instead of ifdef ASM_OUTPUT_SECTION_NAME.
4653 * dbxout.c (dbxout_function_decl): Likewise.
4654 (dbxout_function_end): Likewise.
4655 * toplev.c (compile_file): Likewise.
4656 * varasm.c (exception_section): Likewise.
4657 * cp/decl2.c (finish_objects): Likewise.
4659 * defaults.h (EH_FRAME_SECTION): Remove.
4660 (EH_FRAME_SECTION_ASM_OP): Remove.
4661 (EH_FRAME_SECTION_NAME): New.
4662 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
4663 (UNIQUE_SECTION_P): Remove.
4664 * dwarf2out.c (SECTION_FORMAT): Remove.
4665 (ASM_OUTPUT_SECTION): Remove.
4666 (output_call_frame_info): Use named_section_flags.
4667 (output_comp_unit, dwarf2out_start_source_file): Likewise.
4668 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
4669 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
4670 * varasm.c (in_eh_frame, eh_frame_section): Remove.
4671 (named_section_flags): New.
4672 (named_section): Use it and targetm.section_type_flags.
4673 (resolve_unique_section): New.
4674 (assemble_start_function): Use it.
4675 (asm_emit_uninitialised, assemble_variable): Likewise.
4676 (default_section_type_flags): New.
4677 (default_no_named_section, default_elf_asm_named_section): New.
4678 (default_coff_asm_named_section, default_pe_asm_named_section): New.
4679 * output.h: Update varasm.c decls.
4680 (SECTION_*): New flags.
4682 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
4683 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
4685 * config/elfos.h (UNIQUE_SECTION_P): Remove.
4686 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
4687 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
4688 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4689 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
4690 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
4691 * config/mips/elf.h, config/mips/elf64.h: Likewise.
4692 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
4693 * config/pa/pa64-hpux.h,
4695 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
4696 (TARGET_ASM_NAMED_SECTION): New.
4697 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
4698 * config/alpha/vms.h, config/arm/coff.h: Likewise.
4699 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
4700 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
4701 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
4702 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
4703 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4704 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
4705 * config/i386/sco5.h, config/i386/win32.h: Likewise.
4706 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
4707 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
4708 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
4709 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
4710 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
4711 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
4712 * config/sparc/sysv4.h: Likewise.
4714 * config/nextstep.h: Error until named sections implemented.
4716 * config/a29k/a29k.c (a29k_asm_named_section): New.
4717 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
4718 (vms_section_type_flags, vms_asm_named_section): New.
4719 * config/arm/arm.c (arm_elf_asm_named_section): New.
4720 * config/avr/avr.c (asm_output_section_name): Remove.
4721 * config/avr/avr-protos.h: Update.
4722 * config/c4x/c4x.c (c4x_asm_named_section): New.
4723 * config/h8300/h8300.c (h8300_asm_named_section): New.
4724 * config/i386/i386.c (sco_asm_named_section): New.
4725 * config/i386/winnt.c (SECTION_PE_SHARED): New.
4726 (i386_pe_section_type_flags): New.
4727 (i386_pe_asm_named_section): New.
4728 * config/i386/i386-protos.h: Update.
4729 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
4730 * config/mcore/mcore.c (mcore_asm_named_section): New.
4731 * config/mips/mips.c (iris6_asm_named_section): New.
4732 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
4733 instead of UNIQUE_SECTION_P.
4734 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
4735 (xcoff_asm_named_section): New.
4736 * config/sh/sh.c (sh_asm_named_section): New.
4737 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
4739 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
4740 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
4741 (EH_FRAME_SECTION_NAME): New.
4742 (EXCEPTION_SECTION): New.
4743 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
4744 (DEBUG_*_SECTION): Remove.
4745 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
4746 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
4747 (EH_FRAME_SECTION_ASM_OP): Remove.
4749 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
4750 (ASM_OUTPUT_SECTION_NAME): Remove.
4751 (TARGET_ASM_NAMED_SECTION): New.
4752 (TARGET_HAVE_NAMED_SECTIONS): New.
4753 (TARGET_SECTION_TYPE_FLAGS): New.
4754 (EH_FRAME_SECTION_ASM_OP): Remove.
4755 (EH_FRAME_SECTION_NAME): New.
4757 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4759 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
4760 for complex expressions when cfun == 0.
4761 * doc/extend.texi: Document that __builtin_constant_p can be
4762 used in data initializers as well as functions.
4764 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
4766 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
4767 variable I locally, instead of expecting a declaration in the
4770 2001-08-03 Richard Henderson <rth@redhat.com>
4772 * except.c (collect_one_action_chain): Add an explicit cleanup
4773 action if regions surrounding a catch were encoded entirely
4774 within the call-site entry.
4776 2001-08-03 Richard Henderson <rth@redhat.com>
4778 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
4779 don't take REGNO of a non-register.
4781 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4783 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
4784 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
4785 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
4786 (__gthread_mutex_init_function): New function for mutex initialization.
4788 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4790 * Makefile.in: Revert screwed up commit.
4792 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4794 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
4795 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
4796 merged by linker script to get a final _exit().
4797 (__do_global_dtors): New for destructor handling in specific exit
4799 (__do_global_ctors): New for constructors in specific install section.
4800 (__map_data_section): Map data sections before running constructors.
4801 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
4802 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
4803 (DTORS_SECTION_ASM_OP): Likewise.
4804 (CTORS_SECTION_FUNCTION): Define to force a reference to
4806 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
4808 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4810 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
4812 * Makefile.in: Add df.h to gcse.c dependencies.
4814 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4816 * varasm.c (output_constant_def_contents): Use for the length of a
4817 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
4818 depending on which is larger.
4820 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4822 * gcse.c: Include df.h for use as a dataflow analyzer.
4824 Declaration of reg_set_info: gone.
4825 New df_analyzer variable used by store motion.
4826 (reg_set_info): Deleted.
4827 (mark_mem_regs): New function, analyze regs used by a mem.
4828 (store_ops_ok): Use dataflow analyzer results to determine if
4829 necessary regs are changed in the block.
4830 (find_moveable_store): Remove check for symbol ref, we can handle
4831 much more complex expressions now.
4832 (compute_store_table): Remove most of the code, it's unnecessary
4833 now that the dataflow analyzer records the info for us.
4834 (store_killed_after): Add parameter to say whether to do the
4835 store_ops_okay test, used to speed up testing when we already know
4836 the answer, and just want to know if the store itself was killed.
4837 (build_store_vector): Largely rewritten to calculate the various
4838 vectors properly, and somewhat optimized.
4839 (store_motion): Init the df_analyzer, get REG_DEF chains.
4840 Also handle trapping expressions (since mems almost always trap)
4841 (simple_mem): Redefine what a simple mem is.
4843 2001-08-03 DJ Delorie <dj@redhat.com>
4845 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
4846 set from a constant part of the condition.
4848 2001-08-01 Andrew Cagney <ac131313@redhat.com>
4850 * mkdeps.c (deps_add_default_target): Make local variable
4851 ``start'' a const char pointer.
4852 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
4854 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4856 * doc/install.texi (Configuration): Fix markup.
4857 (Specific, i?86-*-udk): Likewise.
4858 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
4860 Document --enable-threads and --enable-libgcj status.
4861 (Specific, mips-sgi-irix*): Canonicalize triples.
4862 (Specific, mips-sgi-irix5): Warn about problems with this config.
4863 Mention required GNU as patch.
4864 Native assembler problems are fixed.
4865 (Specific, mips-sgi-irix6): Update O32 ABI support status.
4866 Document --enable-threads and --enable-libgcj status.
4868 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4870 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
4873 2001-08-03 Richard Henderson <rth@redhat.com>
4875 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
4878 2001-08-03 Richard Henderson <rth@redhat.com>
4880 * rtlanal.c (find_first_parameter_load): Stop if we
4881 reach a CODE_LABEL at BOUNDARY.
4883 2001-08-03 Richard Henderson <rth@redhat.com>
4885 * config/alpha/alpha.md (force_movdi): New insn.
4886 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
4887 Tweek FRP marking of VMS prologue insns.
4888 * config/alpha/vms.h (EPILOGUE_USES): New.
4890 2001-08-02 Richard Henderson <rth@redhat.com>
4892 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
4894 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
4896 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
4897 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
4898 config/convex/convex.h, config/d30v/d30v.c,
4899 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
4900 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
4901 config/mips/mips.h, config/mn10200/mn10200.h,
4902 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
4903 config/v850/v850.h, config/vax/openbsd.h,
4904 config/vax/openbsd1.h, config/vax/ultrix.h,
4905 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
4906 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
4907 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
4908 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
4909 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
4910 in comments and documentation.
4912 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4916 * Makefile.in (line-map.o): New.
4917 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
4918 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
4919 * cpperror.c (print_containing_files): Similarly.
4920 (print_location): Update. Don't output a space before _Pragma.
4921 * cppfiles.c (stack_include_file): Set to line 1 immediately.
4922 (stack_include_filee, cpp_make_system_header): Update.
4923 (_cpp_execute_include): Get logical line number right for calling
4924 as-yet-unterminated #include.
4925 * cpphash.h (struct cpp_reader): Add line_maps.
4926 (_cpp_do_file_change): Update.
4927 * cppinit.c (cpp_create_reader): Initialize line maps.
4928 (cpp_destroy): Destroy line maps.
4929 (cpp_start_read): Get logical line number right.
4930 * cpplex.c (parse_string): Only warn once for multi-line strings.
4931 Use boolean variable for null warning.
4932 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
4934 (do_include_common): End the directive early.
4935 (do_line): Don't warn about out-of-range lines in preprocessed
4936 source. Update. Remove unused variables.
4937 (_cpp_do_file_change): Update for new line mapping.
4938 (pragma_cb): New typedef.
4939 (cpp_register_pragma): Stop looking ahead before calling the
4941 (do_pragma_system_header): End directive early.
4942 (cpp_get_line_maps): New.
4943 (cpp_pop_buffer): Fudge logical line. Update.
4944 * cpplib.h: Include line-map.h
4945 (enum cpp_fc_reason): Remove.
4946 (struct cpp_file_change): Update.
4947 (cpp_get_line_maps): New.
4948 * cppmain.c (struct_printer): New member map.
4949 (cb_file_change): Update for new mappings.
4950 * fix-header.c (cb_file_change): Similarly.
4952 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4954 * Makefile.in (libgcc.mk): Define mkinstalldirs.
4955 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
4957 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
4959 * config/vax/vax.c: include expr.h.
4961 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4963 * Makefile.in ($(srcdir)/configure): Only rebuild in
4965 ($(srcdir)/config.in): Only define in maintainer mode.
4966 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
4968 2001-08-02 David Edelsohn <edelsohn@gnu.org>
4970 * doc/install.texi (Install GCC: Binaries): Update Bull info.
4972 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4974 * gcc.c (set_collect_gcc_options): New function, split out from
4976 Ignore elided switches.
4977 (do_spec_1): Invoke before executing command.
4978 (set_input): Export.
4979 Move declaration ...
4980 * gcc.h (set_input): ... here.
4981 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
4984 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
4987 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
4989 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
4991 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
4993 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
4994 for the unnamed instructions it expands to.
4996 2001-08-02 Richard Henderson <rth@redhat.com>
4998 * regclass.c (call_really_used_regs): Conditionally define.
4999 (init_reg_sets_1): Don't use it if not defined.
5000 (fix_register): Similarly, don't set it.
5002 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5004 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
5005 Correct comment that had been missed in the previous change.
5007 2001-08-01 Stan Shebs <shebs@apple.com>
5009 * config/darwin.c (machopic_stub_name): Try matching by name.
5010 (update_stubs): New function.
5011 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
5014 2001-08-01 Richard Henderson <rth@redhat.com>
5016 * except.c (output_function_exception_table): Use assemble_align.
5017 * varasm.c (assemble_eh_label): Remove.
5018 (assemble_eh_align, assemble_eh_integer): Remove.
5020 2001-08-01 Robert Lipe <robertl@caldera.com>
5022 * dwarfout.c: Remove reference to README.DWARF.
5024 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
5026 * regclass.c (call_really_used_regs): New array for registers which
5027 are actually used by a call.
5028 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
5030 (fix_register): Set call_really_used too.
5031 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
5032 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
5034 2001-08-01 Richard Henderson <rth@redhat.com>
5036 * read-rtl.c (read_name): Consider \r whitespace.
5038 2001-07-11 Andrew Cagney <ac131313@redhat.com>
5040 * config.gcc: Recognize powerpc-*-netbsd*.
5042 * doc/install.texi (Host/target specific installation notes for
5043 GCC): Mention powerpc-*-netbsd*.
5045 * config/rs6000/netbsd.h: New file.
5046 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
5047 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
5048 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
5049 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
5050 (TARGET_VERSION): Redefine.
5052 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
5053 mcall-netbsd as a match for mcall-sysv.
5054 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
5055 (ncrti.S, ncrtn.S): New targets.
5056 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
5058 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
5059 "netbsd' as a V4 ABI.
5060 (ASM_SPEC): Check for -mcall-netbsd.
5061 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
5062 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
5063 (LIB_SPEC, ENDFILE_SPEC): Ditto.
5064 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
5065 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
5066 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
5067 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
5069 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
5070 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
5072 2001-08-01 Mark Kettenis <kettenis@gnu.org>
5074 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
5075 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
5076 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
5077 including "unwind-pe.h".
5079 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5081 * rs6000.md (define_splits): Kill unused constraints.
5083 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
5084 Jan Hubicka <jh@suse.cz>
5086 * function.c (thread_prologue_and_epilogue_insns): Kill code
5087 dealing with non-existent CFG.
5089 2001-08-01 Kazu Hirata <kazu@hxi.com>
5091 * alias.c: Fix comment formatting.
5092 * bitmap.c: Likewise.
5093 * builtins.c: Likewise.
5094 * calls.c: Likewise.
5095 * c-common.c: Likewise.
5096 * c-decl.c: Likewise.
5097 * c-dump.c: Likewise.
5098 * c-lex.c: Likewise.
5099 * collect2.c: Likewise.
5100 * combine.c: Likewise.
5101 * conflict.c: Likewise.
5102 * cppfiles.c: Likewise.
5103 * cppinit.c: Likewise.
5104 * cpplex.c: Likewise.
5105 * cpplib.c: Likewise.
5106 * cppmacro.c: Likewise.
5107 * cppspec.c: Likewise.
5108 * c-pragma.c: Likewise.
5109 * crtstuff.c: Likewise.
5111 * cselib.c: Likewise.
5112 * c-semantics.c: Likewise.
5113 * c-typeck.c: Likewise.
5115 2001-08-01 H.J. Lu <hjl@gnu.org>
5117 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
5119 2001-08-01 H.J. Lu <hjl@gnu.org>
5121 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
5123 2001-08-01 Ziemowit Laski <zlaski@apple.com>
5125 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
5126 contextualizing Objective-C class name lookup by the lexer.
5127 (typespec_reserved_nonattr): Disable ObjC class name lookup after
5129 (protocoldef): Add support for forward @protocol declarations.
5130 (yylexname): Suppress ObjC class name lookup in certain contexts;
5131 re-enable after lookup is complete.
5132 (_yylex): Re-enable ObjC class name lookup when certain
5133 punctuation marks are seen.
5135 * objc/objc-act.c (check_protocol_recursively): New function used
5136 for finding circular dependencies in protocols.
5137 (objc_declare_protocols): New function for handling forward
5138 @protocol declarations.
5139 (receiver_is_class_object): Detect the case when 'self' is used
5140 inside of a class method.
5141 (build_message_expr): Issue a warning if class method is desired
5142 but instance method is found instead.
5143 (conforms_to_protocol): Streamline.
5144 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
5145 protocol Foo, even if 'Bar foo' does not.
5146 (check_protocols): Streamline.
5147 (start_protocol): Add checks for circular and duplicate protocol
5149 (encode_aggregate_within): For typedefs of structs, encode the
5151 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
5152 (objc_declare_protocols): New prototype.
5154 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5156 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
5157 * cpplex.c (handle_newline): Update prototype. Maintain logical
5159 (skip_escaped_newlines, skip_block_comment, parse_string):
5161 (_cpp_lex_token): Update, and store token position within the token.
5162 * cpplib.h (struct cpp_token): Add line and column entries.
5163 * cppmacro.c (replace_args): Position stringified tokens correctly.
5165 2001-08-01 Andreas Jaeger <aj@suse.de>
5167 * basic-block.h: Add prototype for last_loop_beg_note.
5169 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
5171 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
5172 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
5174 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
5175 while handling WITH_CLEANUP_EXPR node. Use second operand calling
5176 expand_decl_cleanup.
5177 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
5179 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
5180 operand while calling simple_cst_equal.
5181 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
5182 operand is the cleanup expression, the third is the RTL_EXPR.
5183 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
5185 2001-07-31 Jeff Sturm <jsturm@one-point.com>
5187 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
5189 2001-07-31 matthew green <mrg@eterna.com.au>
5191 * config.gcc (i386-*-netbsdelf): New description.
5192 * config/i386/netbsd-elf.h: New file.
5194 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
5196 * loop.c (check_dbra_loop): Use single_set to compute
5199 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
5201 PowerPC reorg and support for powerpc64-*-linux*.
5203 Also fixes emitting of constants on 32 bit and 64 bit
5206 * config.gcc: powerpc64-*-linux* is a new target.
5207 Things that needed aix.h now also include xcoff.h
5209 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
5211 Move AIX specific stuff into aix.h.
5212 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
5213 with more than just XCOFF now.
5214 (SET_ASM_OP): Remove, now defined where needed.
5215 (FUNCTION_PROLOGUE): New macro definition.
5216 (FUNCTION_EPILOGUE): New macro definition.
5217 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
5219 * config/rs6000/xcoff.h: New file.
5221 * config/rs6000/linux64.h: New file.
5223 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
5225 2001-07-31 Alan Modra <amodra@bigpond.net.au>
5227 * rs6000.c (print_operand_address): Handle ELF syntax.
5228 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
5229 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
5230 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
5232 2001-07-31 David Edelsohn <edelsohn@gnu.org>
5234 * rs6000.c (rs6000_override_options): Only disable
5235 flag_function_sections for XCOFF.
5236 (exact_log2_cint_operand): New predicate.
5237 (reg_or_{add,sub}_cint64_operand): New predicates.
5238 (add_operand): Compare CONST_INT with fewer function calls.
5239 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
5240 (print_operand, case 'p'): Ensure positive operand.
5241 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
5242 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
5243 (PREDICATE_CODES): Add new predicates.
5244 * rs6000.md (addsi3): Split 32-bit constants more correctly.
5245 (divsi3, modsi3): Ensure positive power-of-2.
5246 (adddi3): Use new predicate. Split 32-bit constants more
5247 correctly. Re-arrange splitter to handle any constant.
5248 (subdi3): Use new predicate.
5249 (divdi3, moddi3): Ensure positive power-of-2.
5250 (movdi): Use rs6000_emit_set_const.
5251 (load_toc_v4_pic_di): Delete.
5253 2001-07-31 Graham Stott <grahams@redhat.com>
5255 * function.c (pad_below): Revert 2001-07-26 patch.
5257 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5259 * reg-stack (convert_regs_1): Fix best edge condition.
5261 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5263 * jump.c (duplicate_loop_exit_test): Better test for jumps
5264 entering the loop; create loop pre_header.
5266 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
5268 * doc/install.texi: Add s390 and s390x as new targets.
5269 * doc/invoke.texi: Add documantation of S/390 and zSeries
5271 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
5273 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5275 * config/m68k/m68k.md: Replace all general_operand with
5276 nonimmediate_operand for all destinations.
5277 * config/m68k/m68k.c (not_sp_operand): Likewise.
5279 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
5281 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
5283 2001-07-30 Richard Henderson <rth@redhat.com>
5285 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
5286 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
5288 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5290 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
5291 Add missing doc strings
5292 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
5293 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
5295 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5297 * i386.c (ix86_output_main_function_alignment_hack): New function.
5298 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
5300 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
5301 edges by EDGE_DFS_BACK flag.
5302 (dump_edge_info): Add dfs_back flag.
5303 * basic-block.h (EDGE_DFS_BACK): New constant.
5304 (mark_dfs_back_edges): Declare.
5305 * alias.c (loop_p): Remove.
5306 (mark_constant_function): Use mark_dfs_back_edges.
5308 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
5309 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
5310 (compensate_edge): Break out from ...
5311 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
5312 (convert_regs_2): Set block_done once block is really done;
5313 Do updating of the predecesors counts.
5315 * toplev.c (rest_of_compilation): Recompute block_for_insn
5316 before post-reload cfg_cleanup.
5317 * function.c (thread_prologue_epilogue_insns):
5318 Call set_block_for_new_insns when emitting prologue directly.
5320 2001-07-30 Andreas Jaeger <aj@suse.de>
5322 * jump.c: Add prototype for mark_modified_reg.
5324 * cse.c (set_live_p): Add unused attribute.
5326 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
5328 (scan_for_source_files): Use long for count to avoid overflow.
5329 (output_data): Likewise.
5330 (output_data): Don't use string concatatenation to silence gcc
5333 * predict.c: Fix typos and grammar.
5335 * gcse.c (insert_insn_end_bb): Remove unused variables.
5337 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
5339 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
5340 (attempt_auto_inc): LIkewise.
5341 (mark_used_reg): Likewise.
5342 (try_pre_increment_1): Likewise.
5343 * regclass.c (regclass): Likewise.
5344 * global.c (allocno_compare): Update comment; change scaling factor.
5345 * local-alloc.c (QTY_CMP_PRI): Likewise.
5346 * regs.h (REG_FREQ_FROM_BB): New.
5347 (REG_FREQ_MAX): Likewise.
5349 2001-07-30 H.J. Lu <hjl@gnu.org>
5351 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
5354 2001-07-30 H.J. Lu (hjl@gnu.org)
5356 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
5357 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5358 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
5360 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
5362 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
5363 as -mthumb-interwork when -mcpu=arm7 is specified.
5365 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5367 * predict.def (noreturn, loop branch, loop exit): Mark as first
5370 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
5372 * combine.c (try_combine): Avoid barrier after noop jumps.
5374 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5376 * cpphash.h (struct cpp_reader): Remove import_warning.
5377 * cpplib.c (skip_rest_of_line): Don't bother turning off
5379 (parse_include): Move include handling to...
5380 (do_include_common): ... here. Move import warning from...
5381 (do_import): ... here.
5382 (do_pragma_poison): Don't do a callback for poison identifiers.
5383 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
5384 * cppmain.c (setup_callbacks): Similarly.
5386 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
5388 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
5389 handle multiple sets.
5390 * except.c (sjlj_mark_call_sites): .... here.
5391 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
5393 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
5395 Suggested by Richard Henderson and Richard Kenner:
5396 * combine.c (recog_for_combine): Use the fake recog
5397 only if instruction does not match.
5398 * rtl.h (NOOP_MOVE_INSN_CODE): New.
5399 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
5401 * combine.c (try_combine): Discover noop jump as direct jump.
5403 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
5405 * df.c (df_rd_global_compute): Add successors to worklist, not
5407 (df_ru_global_compute): Ditto.
5409 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
5411 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
5412 increment REG_N_SETS.
5414 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
5416 * sbitmap.h: New prototype for sbitmap_a_xor_b.
5418 * sbitmap.c (sbitmap_a_xor_b): New function.
5419 ifdef the basic block stuff on IN_GCC.
5421 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5423 * cppexp.c (parse_defined): Always record the macro name.
5424 (lex): Don't worry about identifiers, or special-case
5426 (_cpp_parse_expr): Figure out at the end of the routine
5427 whether we saw a valid !defined() expression.
5428 * cppfiles.c (stack_include_file): Update for mi_valid.
5429 (_cpp_pop_file_buffer): Similarly.
5430 * cpplex.c (_cpp_lex_token): Similarly.
5431 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
5432 mi_if_not_defined, mi_lexed): Remove.
5434 * cpplib.c (do_if): Simplify.
5435 (do_endif, push_conditional, _cpp_handle_directive): Update
5436 for renaming of mi_state to mi_valid.
5438 * cpp.texi: Add index entries for digraphs, and add comment
5439 that C++ refers to them as alternative tokens.
5441 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5443 * basic-block.h (CLEANUP_PRE_LOOP): New.
5444 * except.c (finish_eh_generation): Update call of cleanup_cfg.
5445 * sibcall.c (optimize_sibling_calls): Likewise.
5446 * toplev.c (rest_of_compilation): Likewise.
5447 * flow.c (try_forward_edges): Take argument MODE;
5448 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
5449 (try_optimize_cfg): Update call of try_forward_edges.
5451 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5452 Jan Hubicka <jh@suse.cz>
5454 * (validate_replace_rtx_1): Fix simplification of MINUS.
5456 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
5458 PR preprocessor/3669
5459 * cppinit.c (init_dependency_output): Turn off dump requests
5460 if sending dependencies to stdout.
5462 2001-07-28 Richard Henderson <rth@redhat.com>
5464 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
5467 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
5469 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
5471 2001-07-28 Kazu Hirata <kazu@hxi.com>
5473 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
5474 is VAR_DECL first to prevent an ICE.
5476 2001-07-28 Richard Henderson <rth@redhat.com>
5478 * varasm.c (immed_real_const_1): Don't elide special cases for
5480 (clear_const_double_mem): Clear const_tiny_rtx too.
5482 2001-07-28 Richard Henderson <rth@redhat.com>
5484 * dwarf2out.c (dw_val_class_offset): New.
5485 (struct dw_ranges_struct, dw_ranges_ref): New.
5486 (ranges_table, ranges_table_allocated): New.
5487 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
5488 (add_AT_offset, add_ranges, output_ranges): New.
5489 (print_die, output_die): Handle dw_val_class_offset.
5490 (attr_checksum, size_of_die, value_format): Likewise.
5491 (gen_lexical_block_die): Handle non-contiguous blocks.
5492 (gen_block_die): Likewise.
5493 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
5494 if needed. Dump the ranges table.
5495 * final.c (final_start_function): Remove unnecessary notes and
5496 rebuild the block tree before numbering the blocks.
5497 * function.c (reorder_blocks_0): Walk the existing block tree
5498 to unmark all blocks.
5499 (reorder_blocks_1): Create block fragments when duplicate block
5501 (reorder_fix_fragments): New.
5502 (reorder_blocks): Call it.
5503 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
5505 2001-07-28 Richard Henderson <rth@redhat.com>
5507 * emit-rtl.c (adjust_address): Make a copy of the memory address.
5509 2001-07-28 Richard Henderson <rth@redhat.com>
5511 * flow.c (add_to_mem_set_list): New function.
5512 (init_propagate_block_info): Use it.
5513 (mark_set_1): Likewise.
5514 (insn_dead_p): Canonicalize memory address for dead store
5515 comparison. Allow wider mode stores to kill narrower mode stores.
5516 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
5517 (invalidate_mems_from_set): Don't handle MEMs.
5519 2001-07-28 Kazu Hirata <kazu@hxi.com>
5521 * config/h8300/h8300.h: Fix formatting.
5523 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5525 * basic-block.h (EDGE_FREQUENCY): New macro.
5526 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
5528 * flow.c (find_sub_basic_blocks): Likewise.
5529 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
5530 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
5532 * predict.c (DEF_PREDICTOR): New argument FLAGS.
5533 (HITRATE): New macro.
5534 (PRED_FLAG_FIRST_MATCH): New constant.
5535 (predictor_info): New field flgags.
5536 (combine_predictions_for_insn): Use DS theory to combine
5537 probabilities; set the edge probabilities when finished.
5538 (estimate_probability): Avoid duplicated matches
5539 of LOOP_BRANCH heuristics for nested loops; update comment.
5540 * predict.def: Add flags for each prediction, set probabilities
5541 according to B&L paper.
5542 * predict.h (DEF_PREDICTOR): New argument FLAGS.
5544 * profile.c (compute_branch_probabilities): Cleanup way the edge
5545 probabilities are computed and REG_BR_PROB notes are dropped; if
5546 values does not match, emit error.
5547 (init_branch_prob): Do error instead of warning when profile driven
5548 feedback is missing or corrupt.
5550 2001-07-27 DJ Delorie <dj@redhat.com>
5552 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
5553 against a constant, try to adjust the compare to have the desired
5554 constant in it so that min/max optimizations happen more often.
5556 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5558 * flow.c (last_loop_beg_note): New function.
5559 (redirect_edge_and_branch): Use it.
5560 (split_edge): Likewise.
5562 * alias.c (loop_p): Avoid uninitialized memory access.
5564 * flow.c (try_forward_edges): Avoid accessing freed memory.
5566 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
5569 2001-07-26 Andrew Haley <aph@redhat.com>
5570 Joern Rennecke <amylaar@redhat.com>
5572 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
5573 (SUBTARGET_CPP_ENDIAN_SPEC): New.
5574 (SUBTARGET_CPP_SPEC): New.
5576 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
5577 (SUBTARGET_CPP_PTR_SPEC): New.
5578 (CPP_DEFAULT_CPU_SPEC): New.
5579 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
5580 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5581 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
5582 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5583 (SUBTARGET_CPP_SPEC): Define as an empty string.
5585 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5587 * doc/install.texi (Configuration): Properly link the host
5588 specific instructions also when generating HTML.
5590 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
5592 * flow.c (redirect_edge_and_branch_force): Test
5593 target->global_live_at_start.
5595 2001-07-26 Richard Henderson <rth@redhat.com>
5597 * simplify-rtx.c (avoid_constant_pool_reference): Export.
5598 * rtl.h (avoid_constant_pool_reference): Declare it.
5599 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
5600 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
5602 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5604 * rtl.h (cleanup_barriers): Declare.
5605 * jump.c (cleanup_barriers): New function.
5606 * toplev.c (rest_of_compilation): Call cleanup_barriers
5607 before loop optimizer and after bb_reorder.
5609 * flow.c (back_edge_of_syntactic_loop_p): New.
5610 (split_edge): Use it.
5612 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5614 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
5616 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
5618 * cse.c (cse_process_notes): Replace any registers if the address
5621 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
5623 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
5624 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
5625 (propagate_block): Update prototype.
5626 * flow.c (update_life_info): Simplify the CFG and
5627 recalculate the global regs which are alive when
5628 removing dead code during a global update.
5629 (propagate_block): Return non-zero if an INSN is
5632 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5634 * Makefile.in (LIBICONV): Define.
5636 2001-07-26 Catherine Moore <clm@redhat.com>
5638 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
5639 of conditional to avoid tree checking errors.
5641 2001-07-26 Kazu Hirata <kazu@hxi.com>
5643 * regmove.c (regmove_optimize): Don't replace a reg with
5644 another reg of a different mode.
5646 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
5648 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
5649 limit length of dependancy flush list.
5650 * params.h (MAX_PENDING_LIST_LENGTH): Define.
5651 * sched-int.h (struct deps): Add pending_flush_length field.
5652 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
5653 has 1 element in it.
5654 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
5655 (sched_analyze): After a jump, if the pending memory flush list is too
5656 large, flush the pending lists.
5657 (init_deps): Initialize pending_flush_length to 0.
5658 * doc/invoke.texi (max_pending_list_length): Document parameter.
5660 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
5662 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
5663 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
5664 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
5666 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5668 * cpphash.h (struct_lexer_state): Delete was_skipping.
5669 Move skipping here from struct cpp_reader.
5670 * cpplex.c (parse_identifier): Update.
5671 (_cpp_lex_token): Don't skip tokens in a directive.
5672 * cpplib.c (struct if_stack): Update.
5673 (start_directive, end_directive): Don't change skipping state.
5674 (_cpp_handle_directive): Update.
5675 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
5676 (do_else, do_endif): Update; only check for excess tokens if not
5677 in a skipped conditional block.
5678 (push_conditional): Update for new struct if_stack.
5680 2001-07-26 Graham Stott <grahams@redhat.com>
5682 * function.c (locate_and_pad_parm): Also pad initial offset
5683 so that the total argument size also includes the padding.
5685 2001-07-26 Graham Stott <grahams@redhat.com>
5687 * gensupport.c (alter_output_for_insn): Correct enable checking failure
5688 change XSTR to XTMPL.
5690 (process_one_cond_exec): Likewise
5692 2001-07-25 Richard Henderson <rth@redhat.com>
5694 * varasm.c (assemble_variable): Create DECL_RTL before setting
5697 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
5699 * predict.c (estimate_probability): Avoid duplicated predictions.
5701 * loop.c (find_and_verify_loops): Grok multiple barriers.
5703 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5705 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
5707 * dbxout.c: Consistently use putc instead of fputc.
5708 (print_wide_int): New function; call instead of direct fprintf.
5709 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
5710 (dbxout_type_fields, dbxout_type_method_1): Likewise.
5711 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
5712 (print_int_cst_octal): Likewise.
5713 (print_octal): Show we wrote characters.
5714 (dbxout_type): Set have_used_extensions in more places.
5716 2001-07-25 Catherine Moore <clm@redhat.com>
5718 * config/v850/v850.c (v850_va_arg): Use addr
5719 instead of valist to build incr.
5721 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
5723 * flow.c (delete_dead_jumptables): New function.
5724 (life_analyzis): Call it.
5725 * bb-reorder.c (skip_insns_after_block): Handle contradictory
5728 2001-07-25 Richard Henderson <rth@redhat.com>
5730 * except.c (reachable_handlers): Handle a region being removed
5731 out from under a RESX.
5733 2001-07-25 Richard Henderson <rth@redhat.com>
5735 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
5736 swap GE/GT if it is an fp comparison.
5738 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
5740 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
5743 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
5745 * ssa.c (rename_insn_1): Do not wrap an assignment to a
5746 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
5749 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
5751 (visit_expression): When attempting to simplify an expression,
5752 retrieve any modes for arguments before they are simplified
5755 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
5756 Janis Johnson <janis@us.ibm.com>
5758 * stmt.c (expand_goto): A nonlocal goto can be a call too.
5759 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
5760 pointer parameters to match documented usage of nonlocal_goto.
5761 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
5762 parameters to their correct order.
5763 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
5764 parameters to their correct order.
5766 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
5768 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
5770 2001-07-25 Jan Hubicka <jh@suse.cz>
5771 Richard Henderson <rth@redhat.com>
5773 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
5775 (make_edges): New argument update_p; populate the edge cache if set.
5776 (find_basic_blocks): Update make_edges invocation.
5778 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5780 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
5782 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5784 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
5785 -Acpu and -Amachine.h.
5786 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
5787 Corrected header to say ELF not a.out.
5788 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
5789 when given -msoft-float.
5791 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5793 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
5794 extra multilib parts like arm-elf.
5795 (i960-*-coff*, i960-*-rtems): Should not use collect2.
5796 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
5797 crtfini.o as extra multilib parts.
5799 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5801 * configure.in: Add rtems as a supported thread model.
5802 * gthr-rtems.h: Add missing entry point __gthread_active_p.
5803 * configure: Rebuilt.
5805 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
5807 * stor-layout.c (get_mode_alignment): make it work when
5808 BITS_PER_UNIT is not a power of two.
5809 * builtins.c (get_pointer_alignment): Likewise.
5811 2001-07-24 Richard Henderson <rth@redhat.com>
5813 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
5814 the retrieved constant into the expected mode.
5816 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5818 * flow.c (try_simplify_condjump): Avoid duplicated edges.
5819 (verify_flow_info): Check for duplicated edges; clarify
5822 * flow.c (block_label): Update basic_block_for_insn.
5823 (commit_edge_insertions): Call compute_bb_for_insn.
5825 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
5828 * flow.c (redirect_edge_and_branch,
5829 try_optimize_cfg): Use redirect_edge_succ_nodup
5830 (redirect_edge_succ_nodup): New.
5831 * basic_block.h (redirect_edge_succ_nodup): Declare.
5833 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
5836 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
5838 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
5839 (try_crossjump_to_edge): Update commetns.
5840 (try_crossjump_bb): Likewise.
5842 2001-07-24 Richard Henderson <rth@redhat.com>
5844 * combine.c (distribute_notes): Move set of need_refresh
5845 for noop_move_p down to catch all cases.
5847 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
5849 * recog.c (split_all_insns_noflow): New.
5850 * rtl.h (split_all_insns_noflow): Declare.
5851 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
5852 * m68hc11.c (m68hc11_reorg): Likewise.
5853 * sh.c (machine_dependent_reorg): Likewise.
5854 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
5857 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
5859 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
5860 (ashlsi3_n splitter): Likewise.
5861 (lshrsi3_n splitter): Likewise.
5863 (GOTaddr2picreg): Make const SImode.
5864 (sym_label2reg): Likewise.
5865 (symGOT2reg): Likewise.
5866 (symGOTOFF2reg) Likewise.
5868 (casesi_worker_0): Make unspec SImode.
5870 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
5872 * config/sh/sh.c (barrier_align): Check that an operand really is
5873 an insn before extracting its INSN_CODE.
5875 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
5877 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
5880 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
5881 for SImode to prevent overflow.
5883 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5885 * config/mips/irix6-libc-compat.c: New file.
5886 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
5887 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
5890 2001-07-24 lars brinkhoff <lars@nocrew.org>
5892 * rtl.texi (REG_POINTER): Document.
5893 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
5894 QFmode, HFmode, TQFmode, QCmode, and HCmode.
5896 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5898 * flow.c (delete_noop_moves): Do not confuse libcall regions.
5900 2001-07-23 Richard Henderson <rth@redhat.com>
5902 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
5904 2001-07-23 Kazu Hirata <kazu@hxi.com>
5906 * config/h8300/h8300-protos.h: Add a prototype for
5907 general_operand_dst_push.
5908 * config/h8300/h8300.c (general_operand_dst_push): New.
5909 * config/h8300/h8300.h (OK_FOR_T): New.
5910 (EXTRA_CONSTRAINT): Use it.
5911 * config/h8300/h8300.md (movqi_push): Remove and integrate into
5912 the existing movqi pattern.
5913 (movhi_push): Likewise.
5915 * reload.c: Fix comment typos.
5917 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
5919 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
5921 2001-07-23 H.J. Lu (hjl@gnu.org)
5923 * doc/extend.texi: Update __builtin_return_address and
5924 __builtin_frame_address.
5926 2001-07-23 Richard Henderson <rth@redhat.com>
5928 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
5930 * config/i386/i386.md: New setcc+movzbl peephole2.
5932 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5934 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
5935 * objc/objc-act.c: Include debug.h.
5936 (synth_module_prologue): Save and restore debug hooks too.
5938 2001-07-23 lars brinkhoff <lars@nocrew.org>
5940 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
5941 and C4X_FLOAT_FORMAT.
5942 (BOOL_TYPE_SIZE): Document.
5944 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
5946 * unroll.c (loop_iterations): Fix miscalculation of initial
5949 2001-07-13 Andrew Haley <aph@redhat.com>
5951 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
5952 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
5953 * config/sh/sh.c (sh_can_redirect_branch): New function.
5954 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
5955 * reorg.c (steal_delay_list_from_target): Use
5956 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
5958 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5960 * flow.c (try_simplify_condjump): Unlink insn chain on
5961 fallthru edge; use can_fallthru.
5963 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
5965 * basic-block.h (find_sub_basic_block): Declare.
5966 * flow.c (make_edges): New arguments MIN and MAX;
5967 (find_sub_basic_blocks): Revamp to use make_edges
5968 and purge_dead_edges.
5969 (find_basic_blocks): Update call of find_sub_basic_block.
5971 * recog.c (split_all_insns): Always expect CFG to be consistent;
5972 call find_sub_basic_blocks in case something has changed.
5973 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
5976 * basic-block.h (delete_noop_moves): Declare.
5977 * combine.c (combine_instructions): Call it.
5978 (recog_for_combine): Tolerate noop moves
5979 (distribute_notes): Force refresh when register dies at noop move.
5980 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
5982 (life_analysis): Update delete_noop_moves call.
5983 (set_noop_p): Move too ...
5984 * rtlanal.c (noop_move_p): ... here.
5985 * rtl.h (noop_move_p): Declare.
5987 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
5988 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
5990 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
5991 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
5993 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
5995 * reload.c (push_reload): Fix typo in comment.
5996 (find_reloads_address): Ditto.
5997 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
5999 2001-07-22 Richard Henderson <rth@redhat.com>
6001 * flow.c: Grammar check and clarify a lot of comments.
6002 (try_simplify_condjump): Rename variables to be clearer.
6003 (try_forward_edges): Skip complex and fallthru edges.
6004 Rearrange tests to avoid duplicate checks.
6005 (flow_find_cross_jump): Likewise.
6006 (outgoing_edges_match): Allow match if neither branch has
6007 probability data. Loosen probability match to 5%.
6008 (try_crossjump_to_edge): Hoist repeated indirection into
6010 (try_crossjump_bb): Don't check complex edges. Eliminate
6011 redundant crossjump tests.
6012 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
6013 checks before more expensive checks.
6015 2001-07-22 Richard Henderson <rth@redhat.com>
6017 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
6018 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
6021 2001-07-22 Richard Henderson <rth@redhat.com>
6023 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
6024 (const_sint32_operand): Likewise.
6025 * m68k.md (anon mulsi pattern): Use const_int_operand not
6026 const_sint32_operand.
6027 (umulsi3_highpart): Zero extend a constant input.
6028 (smulsi3_highpart): Don't bother checking SImode constant.
6029 (const_umulsi3_highpart): Give op3 DImode.
6030 (const_smulsi3_highpart): Likewise.
6032 2001-07-22 Richard Henderson <rth@redhat.com>
6034 * flow.c (split_block): Make sure bb_note is included in the
6035 new block when splitting before a label.
6037 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6039 * basic-block.h (redirect_edge_and_branch_force,
6040 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
6041 * flow.c (redirect_edge_and_branch_force,
6042 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
6043 (redirect_edge_and_branch_force): Fix copying of lifeness information.
6044 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
6045 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
6046 instead of label; update CFG after transformation.
6047 (find_if_case_1): Update call, use redirect_edge_and_branch_force
6048 for finishing the transformation; handle even case where ELSE
6049 does not follow THEN.
6050 (find_if_case_2): Update call of dead_or_predictable; simplify
6053 * emit-rtl.c (split_branch_probability): New global variable.
6054 (try_split): Take care to set split_branch_probability and
6055 create REG_BR_PROB note for new jump insns.
6056 * md.texi (define_split): Document new feature.
6058 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
6060 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6062 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
6063 (asm_out_file): Remove redundant declaration.
6064 (assemble_asm): Remove old #if 0 block.
6065 (assemble_variable): Remove end of function; debug output is
6066 now handled with global_decl. Remove old #if 0 block. Update.
6067 Remove saved_in_section and associated no-op code.
6068 * Makefile.in (varasm.o): Correct dependencies.
6070 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
6072 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6073 the definition in defaults.h.
6075 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
6077 * jump.c: Update comments.
6078 (delete_barrier_successors, delete_unreferenced_labels,
6079 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
6080 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
6081 jump_optimize, jump_optimize_minimal): Kill.
6082 (rebuild_jump_labels): Move code from jump_optimize_1.
6083 (purge_line_number_notes): Likewise.
6084 (copy_loop_headers): Likewise.
6085 * reg-stack.c: Update comment.
6087 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
6088 JUMP_AFTER_REGSCAN): Kill.
6089 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
6090 purge_line_number_notes and copy_loop_headers.
6092 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6093 Richard Henderson <rth@redhat.com>
6095 * dbxout.c (dbxout_global_decl): New.
6096 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6097 * sdbout.c (sdbout_finish): New.
6098 (sdbout_debug_hooks): Use it, add comments.
6099 (sdbout_global_decl): Defer initialised public vars to
6101 * varasm.c (assemble_variable): Don't output debug information
6102 for file-scope variables.
6104 2001-07-22 Richard Henderson <rth@redhat.com>
6106 * config/alpha/alpha.c (get_trap_mode_suffix): New.
6107 (get_round_mode_suffix): New.
6108 (print_operand): Use them for [/]. Remove support for [&'`()+].
6109 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
6110 * config/alpha/alpha.md (attr round_suffix): New.
6111 (attr trap_suffix): New.
6112 (all insns): Set them appropriately. Use %/ instead of the
6115 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6117 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
6119 2001-07-22 Richard Henderson <rth@redhat.com>
6121 * regrename.c (regrename_optimize): Compute nregs for each
6122 potential target register.
6124 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
6125 Richard Henderson <rth@redhat.com>
6127 * dbxout.c (dbxout_global_decl): New.
6128 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6129 * sdbout.c (sdbout_finish): New.
6130 (sdbout_debug_hooks): Use it, add comments.
6131 (sdbout_global_decl): Defer initialised public vars to
6133 * varasm.c (assemble_variable): Don't output debug information
6134 for file-scope variables.
6136 2001-07-21 H.J. Lu (hjl@gnu.org)
6138 * config/mips/mips.c (mips_cpu): Moved into ...
6139 (override_options): Here.
6141 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
6143 (mips_cpu): Removed.
6145 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6147 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
6148 ("iorqi3"): Likewise.
6149 ("xorqi3"): Likewise.
6150 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
6151 ("*subhi3_sp): Likewise.
6152 ("*subhi3"): Likewise.
6153 ("extendhisi2"): Accept D, X and Y as source operand to avoid
6156 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
6158 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
6159 * config/freebsd.h: Likewise.
6160 * config/linux.h: Likewise.
6161 * config/openbsd.h: Likewise.
6162 * config/alpha/linux-elf.h: Likewise.
6163 * config/arm/linux-elf.h: Likewise.
6164 * config/d30v/d30v.h: Likewise.
6165 * config/fr30/fr30.h: Likewise.
6166 * config/ia64/aix.h: Likewise.
6167 * config/ia64/ia64.h: Likewise.
6168 * config/mips/linux.h: Likewise.
6169 * config/pj/pj.h: Likewise.
6170 * config/rs6000/linux.h: Likewise.
6171 * config/sparc/linux.h: Likewise.
6172 * config/sparc/linux64.h: Likewise.
6174 2001-07-20 Bruce Korb <bkorb@gnu.org>
6176 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
6177 because getc() and char* may disagree on signedness.
6179 2001-07-20 Richard Henderson <rth@redhat.com>
6181 * doc/rtl.texi (REG_DEAD): Update for current semantics.
6183 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
6184 insns to delete in the presence of cc0 in a jump insn.
6186 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6187 Jan Hubicka <jh@suse.cz>
6189 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
6190 of doing the change by hand.
6192 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6194 * rtlanal.c (set_noop_p): Return true for noop jumps.
6196 * expr.c (emit_single_push_insn): Add call to push expander.
6197 * expr.h (optab_index): Add OTI_push
6198 (push_optab): New constant.
6199 * genopinit.c (optabs): Add push_optab.
6200 * optabs.c (init_optab): Init push optab.
6201 * md.texi (push??1): Document
6203 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6205 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
6206 expand to emit the pattern; put a REG_INC note for push/pop
6208 ("movdf", "movdf_internal"): Likewise.
6209 ("movsi", "movsi_internal"): Likewise.
6210 ("movsf", "movsf_internal"): Likewise.
6211 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
6213 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6215 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
6218 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
6220 * params.def: Change default max inline insns to 100.
6222 2001-07-20 Diego Novillo <dnovillo@redhat.com>
6224 * combine.c (combine_simplify_rtx): Generate a new shift operation
6225 when simplifying the first operand of a (neg (ashift)) expression.
6227 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6229 * regclass.c (N_REG_INTS): Use only 32 bits per element.
6231 2001-07-20 Kelley Cook <kelley.cook@home.com>
6233 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
6234 information. Move rest into ...
6235 (*-*-solaris): ... here. Eliminate redundant information and
6236 reword necessary packages section. Delete 4.x assembler bug info.
6237 (sparc-sun-*): Merge into ...
6238 (sparc-sun-sunos*): here.
6240 2001-07-20 Catherine Moore <clm@redhat.com>
6242 * config/v850/v850.md (casesi): Generate LABEL_REF
6245 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
6247 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
6248 * i386.c (ix86_zero_extend_to_Pmode): Make global.
6249 * i386.md (strclrsi expander): Use it.
6251 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6253 * integrate.c (copy_insn_list): handle
6254 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
6255 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
6256 identically as to CODE_LABEL.
6258 * fold-const (fold): Convert A/B/C to A/(B*C) and
6261 * except.c (connect_post_landing_pads): Delete the RESX insns.
6263 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
6265 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
6267 * config/mips/mips.md (nmadd/nmsub): Use macro.
6269 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
6271 * cppinit.c (remove_dup_dir): Make static.
6272 (remove_dup_dirs): Make static. Only warn about preempting a
6273 system directory with a non-system directory.
6275 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6277 * ifcvt.c (noce_try_store_flag_constants): Correct order
6278 of parameters to trunc_int_for_mode.
6280 2001-07-19 Mark Mitchell <mark@codesourcery.com>
6282 * reorg.c (fill_simple_delay_slots): If an instruction might throw
6283 an exception that will be caught within this function, do not fill
6284 its delay slot with any subsequent instruction.
6286 2001-07-19 Steve Ellcey <sje@cup.hp.com>
6288 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
6289 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
6290 pointer extension instruction.
6291 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
6292 * simplify-rtx.c (simplify_unary_operation) Likewise.
6293 * explow.c (convert_memory_address) Check value of
6294 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
6296 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
6297 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
6298 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
6299 Add Multilib Support.
6300 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
6301 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
6302 Add Multilib Support.
6303 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
6305 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
6306 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
6307 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
6309 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
6311 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
6312 old and new operands in `<', `3' and `b'.
6314 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6316 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
6317 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
6318 (toplev.o): Don't depend on xcoffout.h.
6319 * c-decl.c: Include debug.h
6320 (duplicate_decls): Use debug hook.
6321 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
6322 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6323 (dbxout_types): Remove.
6324 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
6325 * debug.c (do_nothing_debug_hooks): Update.
6326 (debug_true_tree, debug_nothing_rtx): New.
6327 * debug.h (struct rtx_def): New.
6328 (struct gcc_debug_hooks): New hooks ignore_block,
6329 outlining_inline_function and label.
6330 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
6331 dwarf2out_frame_finish): New.
6332 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
6333 Make static, update prototype.
6334 (dwarf2_debug_hooks): Update.
6335 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
6336 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
6337 * dwarfout.c (dwarf_debug_hooks): Update.
6338 * emit-rtl.c: Include debug.h.
6339 (remove_unnecessary_notes): Use debug hook.
6340 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
6341 (final_scan_insn): Use debug hook.
6342 * integrate.c (output_inline_function): Use debug hook.
6343 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
6344 (sdb_debug_hooks): Update.
6345 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
6346 * toplev.c: Don't include xcoffout.h.
6347 (note_outlining_of_inline_function, debug_ignore_block): Remove.
6348 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
6350 * tree.h (dwarf2out_do_frame): Remove.
6352 2001-07-19 Catherine Moore <clm@cygnus.com>
6354 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
6356 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6358 * reload1.c (eliminate_regs_in_insn): When updating a set
6359 to the frame pointer to the hardware frame pointer, perform
6360 the update always not just when REPLACE is set.
6362 * reload1.c (choose_reload_regs): Don't inherit a reload
6363 that crosses multiple registers if registers past the first
6364 don't fit in the desired class.
6366 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
6367 when negating constants.
6369 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
6371 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
6372 * doc/tree.texi: Ditto.
6374 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
6375 Jakub Jelinek <jakub@redhat.com>
6377 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
6378 (extract_cie_info): Handle "eh" augmentation properly,
6380 (struct frame_state, __frame_state_for): New.
6382 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6384 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
6385 HANDLE_SYSV_PRAGMA): Define.
6386 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
6388 (copy_object): Caller changed.
6390 2001-07-19 Andreas Schwab <schwab@suse.de>
6392 * configure.in (assembler dwarf2 debug_line support): Define nop
6394 * configure: Regenerated.
6396 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6398 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
6400 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
6401 to conditionally compiled block.
6402 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6403 * dbxout.h (dbxout_function): Remove.
6404 * debug.c (do_nothing_debug_hooks): Update.
6405 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
6406 global_decl, deferred_inline_function.
6407 * dwarf2out.c (dwarf2_debug_hooks): Update.
6408 (dwarf2out_global_decl): New.
6409 * dwarfout.c: Don't include dwarfout.h.
6410 (dwarfout_global_decl, dwarfout_function_decl,
6411 dwarfout_deferred_inline_function): New.
6412 (dwarf_debug_hooks): Update.
6413 * dwarfout.h: Remove.
6414 * final.c: Don't include dwarfout.h.
6415 * sdbout.c (sdbout_global_decl): New.
6416 (sdbout_debug_hooks): Update.
6417 * toplev.c: Don't include dwarfout.h.
6418 (check_global_declarations, rest_of_compilation): Use new debug hooks.
6419 (note_deferral_of_defined_inline_function): Remove.
6420 * toplev.h (note_deferral_of_defined_inline_function): Remove.
6421 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
6422 * ch/lex.c: Don't include dwarfout.h.
6423 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
6424 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
6425 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
6426 * cp/optimize.c: Include debug.h.
6427 (maybe_clone_body): Use debug hook.
6428 * cp/semantics.c: Include debug.h.
6429 (expand_body): Use debug hook.
6430 * po/POTFILES.in: Remove dwarfout.h.
6432 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6434 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
6435 * c-parse.in (yyerror, _yylex): Similarly.
6436 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
6437 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
6439 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
6440 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
6442 2001-07-18 Jeff Sturm <jsturm@one-point.com>
6444 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
6445 in-class declaration at -g1. Fixes c++/2814.
6447 2001-07-18 Richard Henderson <rth@redhat.com>
6449 * doc/md.texi (reload_in/out): Document restrictions in predicates
6450 and constraints for these patterns. Document empty string matching
6453 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6455 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
6457 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6459 * cse.c: Undo my previous patch.
6461 2001-07-18 Tom Tromey <tromey@redhat.com>
6464 * configure: Rebuilt.
6465 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
6467 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
6469 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
6470 Jan Hubicka <jh@suse.cz>
6472 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
6473 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
6474 * jump.c (mark_jump_label): Do not forward branches.
6476 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
6478 * cse.c (delete_trivially_dead_insns): Delete the libcall block
6479 when return value is unused.
6481 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6483 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
6485 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
6487 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
6488 on error. We can't blindly return the result of
6489 pthread_mutex_trylock because it returns a positive number on
6490 error, while we must return -1 on error.
6491 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
6493 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
6495 2001-07-18 Andreas Jaeger <aj@suse.de>
6497 * integrate.c (output_inline_function): Correct type of debug_hooks.
6499 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
6501 * combine.c (combine_simplify_rtx): DIV can be treated
6502 associatively for floats if unsafe math optimisations are enabled.
6504 2001-07-17 Richard Henderson <rth@redhat.com>
6506 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
6508 2001-07-17 Richard Henderson <rth@redhat.com>
6510 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
6511 don't force the function address into a register.
6512 (expand_call, emit_library_call_value_1): Update callers.
6513 * builtins.c (expand_builtin_apply): Likewise.
6514 * expr.h (prepare_call_address): Update decl.
6516 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
6518 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
6520 * config/i386/chorus.h: Move up.
6521 * config/sparc/chorus.h: Likewise.
6522 * config/rs6000/chorus.h: Likewise.
6523 * config/chorus.h: Moved here.
6525 2001-07-17 Andreas Schwab <schwab@suse.de>
6527 * configure.in (assembler eh_frame optimization): Handle big
6529 * configure: Regenerated.
6531 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
6533 * expr.c (epxand_expr): Convert divisions into multiplications by
6534 reciprocals if -ffast-math.
6536 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
6538 * dbxout.c (dbxout_really_begin_function): Rename to
6539 dbxout_begin_function.
6540 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6541 (dbxout_begin_function): Remove.
6542 (dbxout_function): Update.
6543 (dbxout_source_line): Update prototype.
6544 * dbxout.h (dbxout_begin_function): Remove.
6545 * debug.c (do_nothing_debug_hooks): Update.
6546 (debug_nothing_tree): Update.
6547 (debug_nothing_charstar_rtx): Remove.
6548 * debug.h (union tree_node): Declare.
6549 (struct rtx_def): Remove.
6550 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
6551 begin_function. Change source_line prototype.
6552 (debug_nothing_tree): New.
6553 (debug_nothing_charstar_rtx): Delete.
6554 (dwarf2out_begin_prologue): Moved from ...
6556 * dwarf2out.c (dwarf2_debug_hooks): Update.
6557 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
6558 debug info, call dwarf2out_source_line.
6559 (dwarf2out_souce_line): Update prototype.
6560 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
6561 Change prototype, make static.
6562 (dwarfout_source_line): Update prototype.
6563 (dwarf_debug_hooks): Update.
6564 * dwarfout.h (dwarfout_begin_function): Remove.
6565 * final.c (final_start_function, final_scan_insn): Use appropriate
6566 debug hooks, update to use notice_source_line.
6567 (output_source_line): Rename notice_source_line. Don't call the
6568 source_line debug hook.
6569 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
6570 make static, update prototype.
6571 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
6573 (sdbout_end_prologue): New.
6574 (sdbout_source_line): Update prototype.
6575 (sdbout_debug_hooks): Update.
6576 (sdbout_symbol): Remove unused var.
6577 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
6579 * varasm.c: Include debug.h.
6580 (assemble_start_function): Use begin_function debug_hook.
6581 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6582 update with prototype.
6583 (xcoffout_source_line): Update prototype.
6584 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6586 (xcoffout_source_line): Update prototype.
6588 2001-07-17 Richard Henderson <rth@redhat.com>
6590 * c-typeck.c (build_binary_op): Do not shorten unsigned
6591 right shift after sign extension.
6593 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
6595 * combine.c (combine_simplify_rtx): Attempt to simplify
6596 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
6598 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
6599 (simplify_binary_operation, simplify_unary_operation,
6600 simplify_relational_operation): Use it.
6602 * combine.c (combine_simplify_rtx): Don't do associative law
6603 on divisions; allow associative law on floats.
6605 2001-07-17 H.J. Lu <hjl@gnu.org>
6606 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6608 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
6609 ASM_OUTPUT_WEAK_ALIAS are defined.
6610 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
6611 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
6613 * config/mips/iris5.h: ... here.
6614 (HANDLE_SYSV_PRAGMA): Defined as 1.
6615 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
6616 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
6619 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
6621 * c-parse.in (all_prefix_attributes): New variable.
6622 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
6623 (maybe_resetattrs): New production.
6624 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
6625 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
6626 notype_initdcl, nested_function, notype_nested_function,
6627 component_decl, components, components_notype,
6628 component_declarator, component_notype_declarator,
6629 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
6630 ivars, mydecl, myparm): Update. Avoid prefix attributes just
6631 after a comma being applied to more than one declarator.
6632 * doc/extend.texi (Attribute Syntax): Update. Remove
6633 documentation of bugs that are no longer present.
6635 2001-07-13 Eric Christopher <echristo@redhat.com>
6637 * config/mips/mips.h: Change TUNE_MIPS* options to use
6639 (EXTRA_SPECS): Add cc1_cpu_spec.
6640 * config/mips/mips.md (muldf3): Fix typo.
6642 2001-07-16 Richard Henderson <rth@redhat.com>
6644 * config/m68k/m68k.c: Include expr.h and reload.h.
6645 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
6646 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
6648 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6649 Richard Henderson <rth@redhat.com>
6651 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
6652 (insn_live_p): Fix fall off end of function.
6653 (dead_libcall_p): Remove COUNTS argument; update callers.
6654 (delete_trivially_dead_insns): Remove unused variables.
6656 2001-07-17 Andreas Jaeger <aj@suse.de>
6658 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
6661 * lcm.c (optimize_mode_switching): Avoid warning for unused
6662 variable if !NORMAL_MODE.
6664 * flow.c (try_crossjump_to_edge): Remove unused variable.
6666 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
6668 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
6669 atexit declaration in stdlib.h.
6671 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
6673 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
6675 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6677 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
6678 * except.c (finish_eh_generation): Update call of cleanup_cfg;
6679 do rebuild_jump_labels instead of jump_optimize
6680 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
6681 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
6682 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
6684 * flow.c: Include timevar.h
6685 (find_basic_block): Push/pop timevar;
6686 (cleanup_cfg): Likewise.
6687 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
6688 * Makefile: Add dependencies on timevar.h
6690 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
6691 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
6693 * rtl.h (delete_trivially_dead_insns): Add new parameter.
6694 * toplev.c (rest_of_compilation): Update calls.
6695 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
6696 (delete_trivially_dead_insns): ... here; accept new argument
6697 preserve_basic_blocks; preserve basic blocks if set.
6699 * reg-stack.c (stack_regs_mentioned): Return 0 if
6700 stack_regs_mentioned_data is not initialized.
6701 (reg_to_stack): Make stack_regs_mentioned survive after the
6702 reg-stack is completted; do not call cleanup_cfg.
6703 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
6704 make cleanup_cfg after bb-reorder to output to debug file.
6706 2001-07-16 Richard Henderson <rth@redhat.com>
6708 * regclass.c (init_reg_sets): Use only 32 bits per initializer
6709 from int_reg_class_contents.
6711 2001-07-16 Richard Henderson <rth@redhat.com>
6713 * hard-reg-set.h (regs_invalidated_by_call): Declare.
6714 * regclass.c (regs_invalidated_by_call): Move from cse.c.
6715 (init_reg_sets_1): Move initialization from cse_main.
6716 * cse.c (regs_invalidated_by_call): Move to regclass.c.
6717 (cse_main): Move its initialization also.
6718 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
6719 * flow.c (propagate_one_insn): Likewise.
6720 * gcse.c (compute_hash_table): Likewise.
6721 (compute_kill_rd, compute_store_table): Likewise.
6722 * sched-deps.c (sched_analyze_1): Likewise.
6724 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
6726 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
6729 2001-07-16 Steve Ellcey <sje@cup.hp.com>
6731 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
6732 in if statement so we don't access undefined memory.
6734 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6736 * gcse.c: Update comment at top.
6737 Update comment on mem handling.
6738 mem_last_set, mem_first_set, mem_set_in_block: gone.
6739 Declaration of reg_set_info: gone.
6740 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
6741 pointless with load_killed_in_block_p (they are *more*
6742 conservative then it, not less, and less accurate).
6743 (oprs_not_set_p): Ditto.
6744 (alloc_gcse_mem): Don't allocate mem_set_in_block
6745 (free_gcse_mem): Don't free it, either.
6746 (record_last_mem_set_info): Update comment in front, remove
6747 mem_*set_* stuff. Note the reason we don't handle stores directly
6749 (compute_hash_table): Update comments to reflect reality. Remove
6750 mem_*set_* references.
6751 (reset_opr_set_tables): Remove mem_*set_* references.
6753 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
6754 (mark_clobber): Ditto (on both parts, we double set here too).
6755 (expr_killed_p): Remove mem_set_in_block test.
6756 (compute_transp): Remove mem_set_in_block test.
6758 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
6759 of edge, and removal of phi alternative to dump file.
6760 (ssa_ccp_substitute_constants): Add note about register now being
6761 constant, and which uses were replaced in what insns to dump file.
6763 2001-07-16 Andreas Jaeger <aj@suse.de>
6765 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
6766 variables of type HOST_WIDEST_INT.
6768 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
6769 (__bb_exit_func): Correct type of count_max to avoid overflow.
6770 (num_digits): Handle long long argument.
6772 * combine.c (gen_lowpart_for_combine): Remove unused variable.
6774 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6776 * output.h (sdb_begin_function_line): Restore as an extern
6778 * sdbout.c (sdb_begin_function_line): Make extern.
6780 2001-07-15 Richard Henderson <rth@redhat.com>
6782 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
6783 * genrecog.c (maybe_both_true_mode): New.
6784 (maybe_both_true_2): Use it.
6785 (write_switch): Don't put Pmode in a switch.
6786 * rtl.c (mode arrays): Don't explicitly size them.
6788 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6790 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
6791 handling; move unconditional splitting before mode switching.
6793 * i386.md (type): Add fistp type.
6794 (i387, length_attr, scheduling definitions): Handle this type.
6795 (fix_trunc?f?i2): Revamp to use mode switching.
6796 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
6797 * i386.h (fp_cw_mode): New enum
6798 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
6799 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
6801 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6803 * Makefile.in (integrate.o): Add debug.h.
6804 * integrate.c (debug.h): Add.
6805 (output_inline_function): Save, reset, and restore debug_hooks.
6807 2001-07-15 Richard Henderson <rth@redhat.com>
6809 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
6810 instead of COMPARE for the EQUIV expression.
6812 2001-07-15 Richard Henderson <rth@redhat.com>
6814 * flow.c (redirect_edge_and_branch_force): Initialize
6815 global_live_at_start and global_live_at_end.
6816 (allocate_bb_life_data): Export.
6817 * basic-block.h (allocate_bb_life_data): Declare.
6818 * toplev.c (rest_of_compilation): Call it.
6820 2001-07-15 Richard Henderson <rth@redhat.com>
6822 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
6823 (alpha_tablejump_best_label): New.
6824 * config/alpha/alpha-protos.h: Declare them.
6825 * config/alpha/alpha.md: Use braced strings for code blocks.
6826 (tablejump_osf): Break out add with r29.
6827 (tablejump_osf_internal): Remove.
6828 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
6829 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
6831 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
6833 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
6836 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
6838 * i386-protos.h (ix86_split_fp_branch): Update prototype.
6839 (ix86_fp_jump_nontrivial_p): New.
6840 * i386.md (fp_jcc_?): Update call of split_fp_branch;
6841 use ix86_fp_jump_nontrivial_p.
6842 * i386.c (ix86_fp_jump_nontrivial_p): New.
6843 (ix86_split_fp_branch): Accept code instead of rtx.
6844 (ix86_expand_compare): Expand comparison early in case
6845 doing so is resonably cheap.
6847 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
6849 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
6851 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
6852 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
6854 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
6856 * dbxout.c (dbxout_source_line): Make static, update prototype.
6857 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
6858 (dbxout_init, dbxout_finish, dbxout_source_line,
6859 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
6860 * dbxout.h (dbxout_source_line): Delete.
6861 * debug.c (debug_nothing_file, debug_nothing_file_int,
6862 debug_nothing_file_charstar_rtx): New.
6863 (do_nothing_debug_hooks): Update.
6864 (debug_nothing_void, debug_nothing_charstar_rtx,
6865 dwarf2out_end_epilogue): New.
6866 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
6867 * debug.h (struct rtx_def): Declare.
6868 (gcc_debug_hooks): New hooks source_line, end_epilogue
6870 (debug_nothing_void, debug_nothing_charstar_rtx,
6871 dwarf2out_end_epilogue): New.
6872 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
6873 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
6874 (dwarf2_debug_hooks): Update.
6875 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
6876 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
6877 * dwarf2out.h (dwarf2out_source_line): Remove.
6878 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
6879 Make static, update prototype.
6880 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
6881 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
6882 (dwarf_debug_hooks): Update.
6883 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
6884 dwarfout_end_function): Remove.
6885 * final.c (profile_function): Use debug hooks for ending functions
6887 (output_source_line, final_end_function): Update prototype,
6889 (final_start_function, final_scan_insn): Update.
6890 * output.h (sdb_begin_function_line): Remove.
6891 (final_end_function): Update prototype.
6892 * sdbout.c (sdb_begin_function_line): Make static.
6893 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
6894 (sdbout_source_line): New.
6895 (sdbout_end_epilogue, sdbout_end_function): Make static, update
6897 (sdb_debug_hooks): Update.
6898 (sdbout_init, sdbout_source_line,
6899 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
6900 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
6901 * toplev.c (compile_file, rest_of_compilation): Update.
6902 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
6903 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
6904 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
6905 Update for prototype changes.
6906 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
6907 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
6909 2001-07-15 Richard Henderson <rth@redhat.com>
6911 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
6912 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
6913 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
6914 * config/alpha/alpha.c: Likewise.
6915 * config/alpha/alpha.md: Likewise.
6916 * config/alpha/alpha32.h: Likewise.
6917 * config/alpha/vms.h: Likewise.
6920 2001-07-14 Richard Henderson <rth@redhat.com>
6922 * config/alpha/alpha.md: Use define_constants for unspec values.
6923 Substitute throughout.
6925 2001-07-14 Tim Josling <tej@melbpc.org.au>
6927 * tree.def (EXPON_EXPR) remove. Never supported anyway.
6929 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
6931 * pa.md: Remove unused constraints from define_split's.
6933 2001-04-14 Richard Henderson <rth@redhat.com>
6935 * ifcvt.c (find_cond_trap): Test for exit block.
6937 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
6939 Re-install recently reverted patch.
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 (dump_file_info): Likewise.
6957 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
6958 reorganize passes to do reg-stack first, bb-reorder second.
6959 * invoke.texi (-d letters doc): Remove the jump2 pass.
6961 2001-07-14 Richard Henderson <rth@redhat.com>
6963 * ifcvt.c (find_cond_trap): New.
6964 (find_if_header): Call it.
6965 (merge_if_block): Relax existing jump sanity check.
6966 * jump.c (jump_optimize_1): Remove conditional trap handling.
6968 2001-07-14 Alan Modra <amodra@bigpond.net.au>
6970 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
6972 (insn_refs_are_delayed): Correct comment.
6973 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
6974 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
6975 instead of r31. Make associated insn !TARGET_64BIT, and
6976 provide an additional 64-bit insn that clobbers r2.
6978 (udivsi3): Likewise.
6980 (umodsi3): Likewise.
6982 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
6984 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
6986 * flow.c (redirect_edge_and_branch_force, split_edge,
6987 try_crossjump_to_edge): Use set_block_for_new_insns.
6988 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
6990 2001-07-13 H.J. Lu (hjl@gnu.org)
6992 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
6995 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
6997 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
6999 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
7001 * c-common.c (decl_attributes): Take a pointer to the node to
7002 which attributes are to be attached, and a flags argument.
7003 * c-common.h (enum attribute_flags): New.
7004 (decl_attributes): Update prototype.
7005 * c-decl.c (start_decl, push_parm_decl, finish_struct,
7006 finish_enum, start_function): Update calls to decl_attributes.
7007 * c-parse.in (component_declarator, component_notype_declarator,
7008 label): Update calls to decl_attributes.
7010 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
7012 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
7013 * config/avr/avr.c (legitimate_address_p): Return value changed
7014 from letter to register classes. For better debugging.
7016 2001-07-13 Kazu Hirata <kazu@hxi.com>
7018 * jump.c (reversed_comparison_code_parts): Fix comment typos.
7020 2001-07-13 H.J. Lu (hjl@gnu.org)
7022 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
7024 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
7026 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
7027 correctly for shared configurations.
7028 * config/t-libgcc-pic: New.
7029 * config/{i386,m68k,sparc}/t-openbsd: New.
7030 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
7031 Support -shared. Support debugging libraries with -g.
7032 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
7033 frame information does not emit pointer diffs.
7034 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
7037 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7039 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
7041 2001-07-13 David Edelsohn <edelsohn@gnu.org>
7043 * combine.c (try_combine): Ensure const_int pow2 is positive.
7045 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
7047 * config.gcc: Add configuration for s/390.
7048 * config/s390/s390.c: New. Subroutines for code generation.
7049 * config/s390/s390.h: New. Definitions for s/390.
7050 * config/s390/s390-protos.h: New. Prototypes.
7051 * config/s390/linux.h: New. Definitions for linux for s/390.
7052 * config/s390/linux64.h: New. Definitions for linux for zSeries.
7053 * config/s390/t-linux: New. Makefile fragment.
7054 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
7055 * config/s390/fixdfdi.h: New. Fix L_fix*di.
7057 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
7059 * emit-rtl.c (try_split): Update mark_jump_label call.
7060 * flow.c (find_sub_basic_blocks): Likewise.
7061 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7063 (mark_all_labels): Kill second parameter.
7064 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7065 (rebuild_jump_labels, jump_optimize_minimal): Update call
7067 (jump_optimize_1): Kill crossjumping code.
7068 (mark_jump_label): Kill cross_jump parameter.
7069 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7070 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7071 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7073 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7075 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7076 reorganize passes to do reg-stack first, bb-reorder second.
7077 * invoke.texi (-d letters doc): Remove the jump2 pass.
7079 2001-07-12 Steve Ellcey <sje@cup.hp.com>
7081 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
7083 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7085 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
7087 (verify_flow_info): Make diagnostics prettier.
7089 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
7091 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
7093 * flow.c (outgoing_edges_match): Return early if condition reversal
7096 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
7098 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
7099 (mips_move_2words): When splitting a move into two instructions,
7100 prefix the second address operand with '%D'.
7102 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
7104 * Makefile.in (final.o): Depend on debug.h.
7105 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
7106 (dbx_debug_hooks): Add new hooks.
7107 (xcoff_debug_hooks): New.
7108 * debug.c (debug_nothing_file_int_int): New.
7109 (do_nothing_debug_hooks): Update.
7110 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
7111 (debug_nothing_file_int_int): New.
7112 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
7113 static, update prototype.
7114 (dwarf2_debug_hooks): Update.
7115 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
7116 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
7117 static, update prototype.
7118 (dwarf_debug_hooks): Update.
7119 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
7120 * final.c: Include debug.h.
7121 (final_scan_insn): Use debug hooks when beginning and ending blocks.
7122 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
7123 static, update prototype.
7124 (sdb_debug_hooks): Update.
7125 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
7126 * toplev.c: Distinguish between xcoff and dbx.
7128 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
7129 Call all debug hooks, not just dwarf ones.
7131 2001-07-11 Timothy Wall <twall@redhat.com>
7133 * config.gcc: Add configuration for AIX5/IA64.
7134 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
7135 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
7136 support prefix/suffix code.
7137 * config/ia64/t-aix: New. Makefile fragment.
7138 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
7140 2001-07-11 Kazu Hirata <kazu@hxi.com>
7142 * recog.c (validate_change): Fix a comment typo.
7144 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
7146 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
7147 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
7149 * dbxout.c (dbx_debug_hooks): Add new hooks.
7150 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
7152 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
7154 * dbxout.h (dbxout_start_new_source_file,
7155 dbxout_resume_previous_source_file): Delete.
7156 * debug.c (do_nothing_debug_hooks): Add new hooks.
7157 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7158 (debug_nothing_int_charstar, debug_nothing_int): New.
7159 * debug.h (gcc_debug_hooks): New hooks define, undef,
7160 start_source_file and end_source_file.
7161 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7162 (debug_nothing_int_charstar, debug_nothing_int): New.
7163 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
7164 the conditionally compiled section.
7165 (dwarf2out_start_source_file, dwarf2out_end_source_file,
7166 dwarf2out_define, dwarf2out_undef): Make static.
7167 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
7168 dwarf2out_define, dwarf2out_undef): Remove.
7169 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
7170 (dwarfout_start_source_file, dwarfout_end_source_file,
7171 dwarfout_define, dwarfout_undef): Make static.
7172 (dwarfout_start_source_file_check,
7173 dwarfout_end_source_file_check): New.
7174 (dwarfout_define, dwarfout_finish): Update.
7175 * dwarfout.h (dwarfout_start_new_source_file,
7176 dwarfout_resume_previous_source_file, dwarfout_define,
7177 dwarfout_undef): Remove.
7178 * sdbout.c (sdb_debug_hooks): Add new hooks.
7179 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
7181 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
7182 make static, take an arg.
7183 * sdbout.h (sdbout_start_new_source_file,
7184 sdbout_resume_previous_source_file): Delete.
7185 * toplev.c (debug_start_source_file, debug_end_source_file,
7186 debug_define, debug_undef): Delete.
7187 * toplev.h (debug_start_source_file, debug_end_source_file,
7188 debug_define, debug_undef): Delete.
7190 * java/jcf-parse.c: Include debug.h.
7191 (parse_class_file): Update to use debug hooks directly.
7192 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
7194 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7196 * alias.c (set_mem_alias_set): New function.
7197 * rtl.h (set_mem_alias_set): Declare it.
7198 * builtins.c (expand_builtin_return_addr): Call it instead of
7199 using MEM_ALIAS_SET accessor.
7200 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
7201 (get_memory_rtx, expand_builtin_va_arg): Likewise.
7202 (expand_builtin_va_copy):Likewise.
7203 * caller-save.c (setup_save_areas): Likewise.
7204 * calls.c (compute_argument_addresses): Likewise.
7205 * explow.c (set_mem_attributes): Likewise.
7206 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
7207 (expand_assignment, store_constructor_field, store_field): Likewise.
7208 (expand_expr_unaligned): Likewise.
7209 * function.c (assign_stack_temp_for_type): Likewise.
7210 (put_reg_into_stack, gen_mem_addressof): Likewise.
7211 * ifcvt.c (noce_try_cmove_arith): Likewise.
7212 * reload1.c (reload, alter_reg): Likewise.
7213 * config/alpha/alpha.c (get_aligned_mem): Likewise.
7214 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
7215 (alpha_expand_unaligned_store): Likewise
7216 (alpha_expand_unaligned_load_words): Likewise.
7217 (alpha_expand_unaligned_store_words): Likewise.
7218 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
7219 (alpha_expand_epilogue): Likewise.
7220 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
7221 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
7222 * config/i386/i386.c (legitimize_pic_address): Likewise.
7223 * config/i960/i960.c (setup_incoming_varargs): Likewise.
7224 * config/ia64/ia64.c (spill_restore_mem): Likewise.
7225 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
7226 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
7227 * config/mips/mips.c (mips_va_arg): Likewise.
7228 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
7229 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
7230 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
7231 (setup_incoming_varargs, rs6000_va_arg): Likewise.
7232 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
7233 (rs6000_emit_epilogue): Likewise.
7234 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
7235 * config/sparc/sparc.c (sparc_va_arg): Likewise.
7236 * config/v850/v850.c (v850_va_arg): Likewise.
7238 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
7240 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
7241 when fallthru edge is present.
7242 (mege_blocks): Handle case where creation of jump insn
7245 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
7246 CLEANUP_POST_REGSTACK): New constants.
7247 * except.c (finish_eh_generation): Update call of cleanup_cfg,
7248 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
7249 * output.h (cleanup_cfg): Update prototype.
7250 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
7251 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
7252 cleanup_cfg call; kill missleading comment.
7253 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
7254 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
7255 parameter; control optimizations performed using it.
7256 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
7257 try_crossjump_bb): New functions.
7259 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7261 * pa.c (pa_output_function_prologue): Delete prototype. Make function
7263 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
7264 pa_output_function_prologue.
7265 * pa-protos.h (pa_output_function_prologue): New prototype.
7267 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7269 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
7270 and low to get correct sign extension in low+high test.
7272 2001-07-11 Janis Johnson <janis@us.ibm.com>
7274 * gcov.c (arcdata): Use gcov_type to fix branch percentage
7275 for large hit count.
7277 * profile.c (branch_prob): Fix .bbg info for computed gotos
7280 2001-07-11 Mark Mitchell <mark@codesourcery.com>
7282 * stmt.c (parse_output_constraint): New function, split out
7284 (expand_asm_operands): ... here. Use parse_output_constraint.
7285 * tree.h (parse_output_constraint): Declare it.
7287 2001-07-11 Richard Henderson <rth@redhat.com>
7289 * bitmap.c: Comment some functions; fiddle whitespace.
7290 (bitmap_free): Don't export.
7291 (bitmap_element_allocate): Use memset.
7292 * bitmap.h (bitmap_free): Don't declare.
7294 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
7296 * gcse.c, lcm.c, sched-deps.c:
7297 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
7299 * flow.c (flow_loops_find): Free dom if we found no loops, since
7300 we aren't going to save it.
7302 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
7305 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
7307 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
7309 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7311 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
7312 #ifndef DWARF2_DEBUGGING_INFO.
7314 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7316 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
7318 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7320 * config/mips/mips.c (gen_int_relational): Tell the caller not to
7321 reverse a branch if a NE comparison is implemented with GTU.
7323 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7324 H.J. Lu <hjl@gnu.org>
7326 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
7328 (call_internal2): Likewise.
7329 (call_value_internal1): Likewise.
7330 (call_value_internal2): Likewise.
7331 (call_value_multiple_internal1): Likewise.
7332 (call_value_multiple_internal2): Likewise.
7334 2001-07-10 Kazu Hirata <kazu@hxi.com>
7336 * calls.c (emit_library_call_value_1): Fix a comment typo.
7337 * dwarf2out.c (mem_loc_descriptor): Likewise.
7338 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
7340 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
7342 * simplify-rtx.c (simplify_subreg): Fix typo in comment
7344 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7346 * recog.c (offsettable_address_p): Handle LO_SUM case.
7347 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
7348 instead of plus_constant.
7350 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7352 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
7353 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
7355 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7357 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
7358 adjust_address_nv instead of plus_constant.
7360 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
7362 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
7363 dwarf2out.o): Depend on debug.h, wrap long lines.
7364 * dbxout.c: Include debug.h.
7365 (dbx_debug_hooks): New.
7366 (dbxout_init): Make static, take just 2 args.
7367 (dbxout_finish): Make static.
7368 * dbxout.h (dbxout_init, dbxout_finish): Delete.
7369 * debug.c: New file.
7370 * debug.h: New file.
7371 * dwarf2out.c: Include debug.h.
7372 (dwarf2_debug_hooks): New.
7373 (dwarf2out_init): Make static.
7374 (dwarf2out_finish): Make static, take 2 args.
7375 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
7376 * dwarfout.c: Include debug.h.
7377 (dwarf_debug_hooks): New.
7378 (dwarfout_init): Make static.
7379 (dwarfout_finish): Make static, take 2 args.
7380 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
7381 * sdbout.c: Include debug.h.
7382 (sdb_debug_hooks): New.
7383 (sdbout_init): Make static, take 2 args.
7384 * sdbout.h (sdbout_init): Delete.
7385 * toplev.c: Include debug.h.
7387 (compile_file): Set deubg_hooks based on command line options.
7388 Use the hooks unconditionally rather than conditional compilation.
7390 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
7392 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
7393 first_insn_after_basic_block_note instead.
7395 * df.c (df_bb_refs_unlink): #if 0 out for now.
7397 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
7399 * ssa.h: Add prototype for ssa_const_prop
7400 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
7401 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
7402 (ssa_fast_dce): Remove unused variable
7404 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7406 * diagnostic.c (finish_diagnostic): Rename to
7407 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
7410 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
7412 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
7415 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
7416 (dump_file): Only pad the demangled name with spaces if the
7417 mangled name was padded with spaces.
7419 2001-07-10 Bernd Schmidt <bernds@redhat.com>
7421 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
7424 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7426 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
7427 extraction if no direct load if either EXPAND_CONST_ADDRESS or
7430 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
7431 whether can put offset inside LO_SUM to check mode alignment, not size.
7433 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7435 * doc/tm.texi (Misc): Fix thinko.
7437 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
7439 * regmove.c (replace_in_call_usage): Fix warnings.
7440 * sched-deps.c (add_dependence): Fix warnings.
7441 * simplify-rtx.c (simplify_subreg): Likewise.
7442 Return NULL_RTX instead of NULL.
7444 * reg-stack.c (emit_swap_insn): Eliminate warnings.
7445 (subst_asm_stack_regs): Likewise.
7447 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
7450 * dwarf2out.c (output_call_frame_info): Declare i as int.
7451 (build_abbrev_table): Declare n_alloc as int.
7452 (dwarf2out_finish): Initialize die.
7453 * except.c: Declare sjlj_funcdef_number as unsigned.
7454 (connect_post_landing_pads): Declare j as unsigned.
7455 (convert_to_eh_region_ranges): Initialize call_site.
7456 (output_function_exception_table): Initialize tt_format_size.
7457 * expr.c (move_by_pieces_1): Initialize to1.
7458 (store_constructor): Initialize minelt and maxelt.
7459 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
7460 * function.c (instantiate_decls): Avoid signed/unsigned warning.
7462 * c-decl.c (combine_parm_decls): Unused, remove.
7463 * c-tree.h: Remove prototype for combine_parm_decls.
7465 * reload.c (push_reload): Fix warning.
7466 (regno_clobbered_p): Likewise.
7467 * reload1.c (replace_pseudos_in_call_usage): Likewise.
7468 (reload_combine): Likewise.
7470 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
7471 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
7473 * bitmap.c (bitmap_operation): Change user.
7474 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
7476 2001-07-10 Eric Christopher <echristo@redhat.com>
7478 * config/mips/mips.c (override_options): Fix typo.
7480 2001-07-09 Stan Shebs <shebs@apple.com>
7482 * target.h (struct gcc_target): New fields init_builtins and
7484 * target-def.h (TARGET_INIT_BUILTINS): New macro.
7485 (TARGET_EXPAND_BUILTIN): New macro.
7486 (TARGET_INITIALIZER): Add them.
7487 * builtins.c: Include target.h.
7488 (expand_builtin): Use targetm.expand_builtin.
7489 (default_init_builtins): New function.
7490 (default_expand_builtin): New function.
7491 * expr.h (default_init_builtins): Declare.
7492 (default_expand_builtin): Declare.
7493 * c-common.c (c_common_nodes_and_builtins): Use
7494 targetm.init_builtins.
7495 * defaults.h (MD_INIT_BUILTINS): Remove.
7496 * Makefile.in (builtins.o): Depend on target.h.
7498 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
7499 (TARGET_EXPAND_BUILTIN): Define.
7500 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
7501 (MD_EXPAND_BUILTIN): Remove.
7503 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
7504 (TARGET_EXPAND_BUILTIN): Define.
7505 (c4x_init_builtins): Make endlink arg a local.
7506 (c4x_print_operand): Fix typos in adjust_address usages.
7507 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
7508 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
7509 (MD_EXPAND_BUILTIN): Remove.
7511 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
7512 (TARGET_EXPAND_BUILTIN): Define.
7513 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
7514 (ix86_init_builtins): Call new function only if TARGET_MMX.
7515 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
7516 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
7517 (MD_EXPAND_BUILTIN): Remove.
7519 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
7520 (TARGET_EXPAND_BUILTIN): Define.
7521 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
7522 (MD_EXPAND_BUILTIN): Remove.
7524 * doc/tm.texi: Document these changes.
7526 2001-07-09 Diego Novillo <dnovillo@redhat.com>
7528 * basic-block.h (tree_node): Forward declare if needed.
7529 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
7530 (BLOCK_HEAD_TREE): Define.
7531 (BLOCK_END_TREE): Define.
7532 (struct loops): Rename field 'tree' to 'tree_root'.
7533 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
7535 (flow_loops_tree_build): Rename reference to field 'tree' to
7537 (flow_loops_level_compute): Ditto.
7538 * predict.c (estimate_bb_frequencies): Ditto.
7539 * tree.h (struct tree_common): Add field 'aux'.
7541 2001-07-09 Stan Shebs <shebs@apple.com>
7543 * config/darwin.c (darwin_encode_section_info): Don't mark any
7544 DECL_EXTERNAL node as defined.
7546 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
7548 * pa.c (pa_init_machine_status, pa_mark_machine_status,
7549 pa_free_machine_status, hppa_init_pic_save): Delete.
7550 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
7551 (hppa_profile_hook): Use hppa_pic_save_rtx.
7552 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
7553 hppa_init_pic_save): Delete.
7554 (hppa_pic_save_rtx): Declare.
7555 * pa.md (call, call_value, sibcall, sibcall_value,
7556 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
7558 2001-07-09 Kazu Hirata <kazu@hxi.com>
7560 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
7561 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
7563 2001-07-09 Andreas Jaeger <aj@suse.de>
7565 * output.h: Add declaration of final_forward_branch_p.
7567 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
7569 * varray.c: Include errors.h for internal_error and trim_filename
7572 * Makefile.in (varray.o): Add errors.h.
7574 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
7576 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
7577 * optabs.c (have_add2_insn): Check whether the add insn chosen
7578 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
7579 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
7581 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
7583 * Makefile.in (OBJS): Add ssa-ccp.o
7584 (ssa-ccp.o): Add dependencies.
7585 * toplev.c (DFI_ssa_ccp): New dump file enum.
7586 (dump_file): Add entry for dumping after SSA CCP.
7587 (flag_ssa_ccp): New flag variable.
7588 (f_options): Add -fssa-ccp.
7589 (rest_of_compilation): Run SSA CCP if requested.
7590 * timevar.def (TV_SSA_CCP): New timevar.
7591 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
7592 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
7593 Fix minor typo in SSA DCE documentation.
7594 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
7595 Add documentation for new dump option. Renumber dump files
7598 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7600 * emit-rtl.c (gen_highpart_mode): New.
7601 * rtl.h (gen_highpart_mode): Declare.
7602 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
7603 operand can be VOIDmode constant.
7605 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
7607 * flow.c (redirect_edge_and_branch_force): New.
7608 (can_fallthru): Ensure that basic blocks are succeeding.
7609 (try_optimize_cfg): Do not delete basic block if it is the last one.
7611 * flow.c (try_redirect_by_replacing_jump): Do not remove
7612 jumps with side effects, unlink chain on fallthru edge;
7613 set block for new jump instruction; avoid basic block to
7614 over by line number note.
7616 * flow.c (try_simplify_condjump): Verify that the condjump
7617 is not always falling trought.
7620 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
7622 * flow.c (forwarder_block_p): Fix for fallthru blocks.
7623 (try_redirect_by_replacing_jump): Update properly the count
7624 and frequency information.
7626 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7628 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
7629 address that is a LO_SUM specially.
7630 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
7632 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
7634 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
7635 (operand_subword): Use them.
7636 (change_address_1): Renamed from change_address; new arg VALIDATE.
7637 * expr.h: Reflect above changes; change_address now macro.
7638 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
7640 * cselib.c (add_mem_for_addr): Likewise.
7641 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
7642 * regmove.c (try_apply_stack_adjustment): Likewise.
7643 * reload.c (push_reload, make_memloc): Likewise.
7644 * reload1.c (eliminate_regs): Likewise.
7645 * simplify-rtx.c (simplify_replace_rtx): Likewise.
7646 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
7648 * combine.c (make_extraction, simplify_shift_const): Likewise.
7649 (gen_lowpart_for_combine): Likewise.
7650 * cse.c (gen_lowpart_if_possible): Likewise.
7651 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
7652 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
7653 * optabs.c (gen_move_insn): Likewise.
7654 * reload1.c (alter_reg): Likewise.
7655 * simplify-rtx.c (simplify_subreg): Likewise.
7656 * stmt.c (expand_anon_union_decl): Likewise.
7657 * recog.c (validate_replace_rtx_1): Likewise.
7659 * Makefile.in (recog.o): Add $(EXPR_H).
7660 * explow.c (stabilize): Call replace_equiv_address.
7661 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
7662 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
7664 2001-07-03 Andrew Haley <aph@redhat.com>
7666 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
7667 the mode of the memory location.
7669 2001-07-09 Bo Thorsen <bo@suse.co.uk>
7671 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
7673 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
7675 * final.c (output_addr_const): Use target opening and
7676 closing parentheses.
7677 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
7678 defaults, add to TARGET_ASM_OUT.
7679 * target.h (struct gcc_target): Add open_paren and close_paren.
7680 * doc/md.texi: Update.
7681 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
7682 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
7683 TARGET_ASM_CLOSE_PAREN.
7684 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7686 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7688 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
7689 * config/a29k/a29k.h: Similarly.
7690 * config/alpha/alpha.h: Similarly.
7691 * config/arc/arc.h: Similarly.
7692 * config/arm/aof.h: Similarly.
7693 * config/arm/aout.h: Similarly.
7694 * config/avr/avr.h: Similarly.
7695 * config/c4x/c4x.h: Similarly.
7696 * config/clipper/clipper.h: Similarly.
7697 * config/convex/convex.h: Similarly.
7698 * config/d30v/d30v.h: Similarly.
7699 * config/dsp16xx/dsp16xx.h: Similarly.
7700 * config/elxsi/elxsi.h: Similarly.
7701 * config/fr30/fr30.h: Similarly.
7702 * config/h8300/h8300.h: Similarly.
7703 * config/i370/i370.h: Similarly.
7704 * config/i386/i386.h: Similarly.
7705 * config/i860/i860.h: Similarly.
7706 * config/i960/i960.h: Similarly.
7707 * config/ia64/ia64.h: Similarly.
7708 * config/m32r/m32r.h: Similarly.
7709 * config/m68hc11/m68hc11.h: Similarly.
7710 * config/m68k/m68k.h: Similarly.
7711 * config/m88k/m88k.h: Similarly.
7712 * config/mcore/mcore.h: Similarly.
7713 * config/mips/mips.h: Similarly.
7714 * config/mn10200/mn10200.h: Similarly.
7715 * config/mn10300/mn10300.h: Similarly.
7716 * config/ns32k/ns32k.h: Similarly.
7717 * config/pa/pa.h: Similarly.
7718 * config/pdp11/pdp11.h: Similarly.
7719 * config/pj/pj.h: Similarly.
7720 * config/romp/romp.h: Similarly.
7721 * config/rs6000/rs6000.h: Similarly.
7722 * config/sh/sh.h: Similarly.
7723 * config/sparc/sparc.h: Similarly.
7724 * config/v850/v850.h: Similarly.
7725 * config/vax/vax.h: Similarly.
7726 * config/we32k/we32k.h: Similarly.
7728 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
7730 * doc/c-tree.texi: Document representation of attributes.
7732 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7734 * doc/tm.texi: Update some places for the rename of target to
7737 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7739 * target.h (struct gcc_target): Add insert_attributes.
7740 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
7741 (TARGET_INITIALIZER): Update.
7742 * tree.c, tree.h (default_insert_attributes): New function.
7743 Update comments on other default functions to refer to targetm,
7745 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
7746 TARGET_INSERT_ATTRIBUTES.
7747 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
7748 * c-common.c (decl_attributes): Use targetm.insert_attributes.
7749 Don't use PRAGMA_INSERT_ATTRIBUTES.
7750 * Makefile.in (c-common.o): Depend on $(TARGET_H).
7751 * c-decl.c (start_decl, start_function): Don't call
7752 SET_DEFAULT_DECL_ATTRIBUTES.
7753 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
7754 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
7756 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
7757 (c4x_check_attribute): Avoid modifying attribute list itself.
7758 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
7760 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
7761 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
7763 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
7764 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
7766 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
7767 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
7769 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
7770 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
7771 Adjust parameters. Make static.
7773 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7775 * c-common.c (decl_attributes): Only take a single attributes
7777 * c-common.h (decl_attributes): Update prototype.
7778 * c-decl.c (start_decl, start_function): Only take a single
7779 attributes parameter. Update calls to decl_attributes.
7780 (finish_struct, finish_enum): Update calls to decl_attributes.
7781 (push_parm_decl): Expect unified list of attributes. Update call
7783 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
7784 notype_nested_function, component_declarator,
7785 component_notype_declarator, label): Update calls to
7787 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
7788 lists that are passed to push_parm_decl.
7789 * c-tree.h (start_function, start_decl): Update prototypes.
7790 * config/sh/sh-protos.h, config/sh/sh.c
7791 (sh_pragma_insert_attributes): Only take a single attributes
7793 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
7794 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
7795 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
7796 build_module_descriptor, generate_static_references,
7797 generate_strings, build_selector_translation_table,
7798 generate_descriptor_table, generate_protocols,
7799 generate_ivars_list, generate_dispatch_table,
7800 generate_protocol_list, generate_category,
7801 generate_shared_structures, really_start_method, add_objc_decls,
7802 generate_classref_translation_entry): Update calls to start_decl
7804 (build_tmp_function_decl, start_method_def): Unify attribute lists
7805 that are passed to push_parm_decl.
7807 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
7809 * final.c (no_asm_to_stream): New.
7810 (final_scan_insn): Use target structures for prologue ends
7811 and epilogue starts.
7812 * output.h (no_asm_to_stream): New.
7813 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
7814 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
7815 (TARGET_ASM_OUT): Update.
7816 * target.h (struct gcc_target): New members function_end_prologue
7817 and function_begin_epilogue.
7818 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
7819 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
7820 * config/alpha/alpha.c (output_end_prologue): Rename to
7821 alpha_output_function_end_prologue. Use in target struct
7823 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
7824 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
7825 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
7826 ia64_output_function_end_prologue. Use in target struct
7828 (ia64_function_prologue, ia64_funciton_epilogue): Rename
7829 mistyped prototypes.
7830 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
7831 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
7833 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
7834 an use in target struct, make static.
7835 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
7838 2001-07-08 Richard Henderson <rth@redhat.com>
7840 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
7842 2001-07-08 Richard Henderson <rth@redhat.com>
7844 * config/i386/i386.md: Remove constraints strings from define_split
7845 and define_peephole2 patterns.
7846 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
7847 (eh_return): Use them.
7849 2001-07-08 Richard Henderson <rth@redhat.com>
7851 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
7852 Document MD_FALLBACK_FRAME_STATE_FOR.
7854 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7856 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
7857 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
7859 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
7861 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
7863 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
7864 of the label inside NAME as opposed to just the end of NAME.
7866 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
7868 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
7869 * config/alpha/alpha.c (alpha_init_machine_status,
7870 alpha_mark_machine_status, alpha_free_machine_status): Delete.
7871 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
7872 (vms_valid_decl_attribute_p): Make static, conditionally compile.
7873 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
7875 2001-07-06 Stan Shebs <shebs@apple.com>
7877 * target.h (targetm): Rename global from "target", so as not to
7878 conflict with local variables.
7880 * c-typeck.c: Ditto.
7884 * cp/decl2.c: Ditto.
7885 * cp/typeck.c: Ditto.
7886 * 1750a/1750a.c: Ditto.
7887 * a29k/a29k.c: Ditto.
7891 * clipper/clipper.c: Ditto.
7892 * convex/convex.c: Ditto.
7893 * d30v/d30v.c: Ditto.
7894 * dsp16xx/dsp16xx.c: Ditto.
7895 * elxsi/elxsi.c: Ditto.
7896 * fr30/fr30.c: Ditto.
7897 * h8300/h8300.c: Ditto.
7898 * i370/i370.c: Ditto.
7899 * i386/i386.c: Ditto.
7900 * i860/i860.c: Ditto.
7901 * i960/i960.c: Ditto.
7902 * ia64/ia64.c: Ditto.
7903 * m32r/m32r.c: Ditto.
7904 * m68hc11/m68hc11.c: Ditto.
7905 * m68k/m68k.c: Ditto.
7906 * m88k/m88k.c: Ditto.
7907 * mips/mips.c: Ditto.
7908 * ns32k/ns32k.c: Ditto.
7910 * pdp11/pdp11.c: Ditto.
7911 * romp/romp.c: Ditto.
7912 * rs6000/rs6000.c: Ditto.
7914 * sparc/sparc.c: Ditto.
7916 * we32k/we32k.c: Ditto.
7917 * doc/tm.texi: Update the manual to match.
7919 2001-07-06 Richard Henderson <rth@redhat.com>
7921 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
7922 DWARF2_UNWIND_INFO not just whether it is defined.
7924 2001-07-06 Diego Novillo <dnovillo@redhat.com>
7926 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
7927 call to simplify_binary_operation returns a new pattern.
7929 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
7931 * glimits.h (__SHRT_MAX__): New.
7932 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
7933 (SHRT_MAX): Define in terms of __SHRT_MAX__.
7935 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
7937 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
7940 2001-07-06 Richard Henderson <rth@redhat.com>
7942 * bitmap.c (bitmap_release_memory): Move adjacent to the
7943 allocation functions.
7944 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
7945 the implementation. Binary search for the set bit.
7946 (bitmap_union_of_diff): Allocate the temporary on the stack
7947 instead of using xmalloc.
7949 2001-07-06 Richard Henderson <rth@redhat.com>
7951 * genrecog.c (validate_pattern): Warn for constraints in
7952 define_{expand,split,peephole2}. Remove strict_low_part
7953 before looking up match_dup.
7955 2001-07-06 DJ Delorie <dj@redhat.com>
7957 * doc/gcc.texi (Makefile): Rename to be a more general purpose
7958 chapter about various build hints and history. Add section
7959 talking about the various types of native and cross builds.
7961 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
7963 * Makefile.in (final.o): Depend on target.h.
7964 * final.c: Include target.h.
7965 (default_function_pro_epilogue): New.
7966 (final_start_function): Use target structure for function prologues.
7967 (final_end_function): Use target structure for function epilogues.
7968 * fold-const.c (real_hex_to_f): Constify s and p.
7969 * output.h (default_function_pro_epilogue): New.
7970 * real.h (real_hex_to_f): Update prototype.
7971 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
7972 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
7973 (TARGET_INITIALIZER): Update.
7974 * target.h (gcc_target): Add struct asm_out.
7975 * doc/tm.texi: Update.
7978 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
7979 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
7980 in cpu/cpu.c, or rename old functions consistently. Take
7981 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
7982 redundant macros and prototypes. Make new functions static.
7984 * 1750a/1750a.c: Similarly.
7985 * 1750a/1750a.h: Similarly.
7986 * a29k/a29k-protos.h: Similarly.
7987 * a29k/a29k.c: Similarly.
7988 * a29k/a29k.h: Similarly.
7989 * arc/arc-protos.h: Similarly.
7990 * arc/arc.c: Similarly.
7991 * arc/arc.h: Similarly.
7992 * arm/arm-protos.h: Similarly.
7993 * arm/arm.c: Similarly.
7994 * arm/arm.h: Similarly.
7995 * avr/avr-protos.h: Similarly.
7996 * avr/avr.c: Similarly.
7997 * avr/avr.h: Similarly.
7998 * clipper/clipper-protos.h: Similarly.
7999 * clipper/clipper.c: Similarly.
8000 * clipper/clipper.h: Similarly.
8001 * convex/convex.c: Similarly.
8002 * convex/convex.h: Similarly.
8003 * d30v/d30v-protos.h: Similarly.
8004 * d30v/d30v.c: Similarly.
8005 * d30v/d30v.h: Similarly.
8006 * d30v/d30v.md: Similarly.
8007 * dsp16xx/dsp16xx-protos.h: Similarly.
8008 * dsp16xx/dsp16xx.c: Similarly.
8009 * dsp16xx/dsp16xx.h: Similarly.
8010 * elxsi/elxsi.c: Similarly.
8011 * elxsi/elxsi.h: Similarly.
8012 * fr30/fr30.c: Similarly.
8013 * fr30/fr30.md: Similarly.
8014 * h8300/h8300-protos.h: Similarly.
8015 * h8300/h8300.c: Similarly.
8016 * h8300/h8300.h: Similarly.
8017 * i370/i370-protos.h: Similarly.
8018 * i370/i370.c: Similarly.
8019 * i370/i370.h: Similarly.
8020 * i386/i386.c: Similarly.
8021 * i386/osf1elf.h: Similarly.
8022 * i386/osfrose.h: Similarly.
8023 * i860/i860-protos.h: Similarly.
8024 * i860/i860.c: Similarly.
8025 * i860/i860.h: Similarly.
8026 * i960/i960-protos.h: Similarly.
8027 * i960/i960.c: Similarly.
8028 * i960/i960.h: Similarly.
8029 * ia64/ia64-protos.h: Similarly.
8030 * ia64/ia64.c: Similarly.
8031 * ia64/ia64.h: Similarly.
8032 * m32r/m32r-protos.h: Similarly.
8033 * m32r/m32r.c: Similarly.
8034 * m32r/m32r.h: Similarly.
8035 * m68hc11/m68hc11-protos.h: Similarly.
8036 * m68hc11/m68hc11.c: Similarly.
8037 * m68hc11/m68hc11.h: Similarly.
8038 * m68k/crds.h: Similarly.
8039 * m68k/dpx2.h: Similarly.
8040 * m68k/m68k-protos.h: Similarly.
8041 * m68k/m68k.c: Similarly.
8042 * m68k/m68k.h: Similarly.
8043 * m68k/news.h: Similarly.
8044 * m88k/m88k-protos.h: Similarly.
8045 * m88k/m88k.c: Similarly.
8046 * m88k/m88k.h: Similarly.
8047 * mips/mips-protos.h: Similarly.
8048 * mips/mips.c: Similarly.
8049 * mips/mips.h: Similarly.
8050 * ns32k/merlin.h: Similarly.
8051 * ns32k/ns32k.c: Similarly.
8052 * ns32k/ns32k.h: Similarly.
8053 * ns32k/tek6000.h: Similarly.
8054 * pa/pa-protos.h: Similarly.
8055 * pa/pa.c: Similarly.
8056 * pa/pa.h: Similarly.
8057 * pdp11/2bsd.h: Similarly.
8058 * pdp11/pdp11-protos.h: Similarly.
8059 * pdp11/pdp11.c: Similarly.
8060 * pdp11/pdp11.h: Similarly.
8061 * romp/romp-protos.h: Similarly.
8062 * romp/romp.c: Similarly.
8063 * romp/romp.h: Similarly.
8064 * rs6000/rs6000-protos.h: Similarly.
8065 * rs6000/rs6000.c: Similarly.
8066 * rs6000/rs6000.h: Similarly.
8067 * rs6000/sysv4.h: Similarly.
8068 * sh/sh-protos.h: Similarly.
8069 * sh/sh.c: Similarly.
8070 * sh/sh.h: Similarly.
8071 * sparc/sparc-protos.h: Similarly.
8072 * sparc/sparc.c: Similarly.
8073 * sparc/sparc.h: Similarly.
8074 * vax/vax.c: Similarly.
8075 * vax/vax.h: Similarly.
8076 * vax/vms.h: Similarly.
8077 * we32k/we32k.c: Similarly.
8078 * we32k/we32k.h: Similarly.
8080 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
8082 * basic-block.h (first_insn_after_basic_block_note): Declare.
8083 * flow.c (first_insn_after_basic_block_note): Define. Moved
8085 * ssa.c (first_insn_after_basic_block_note): Remove.
8086 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
8088 (ssa_eliminate_dead_code): Properly update the CFG and PHI
8089 nodes when we find a dead conditional branch. Insert BARRIERs
8090 after any blocks with no successors, but which do not have
8093 2001-07-06 Zack Weinberg <zackw@stanford.edu>
8095 * varray.c (varray_check_failed): Use internal_error.
8097 2001-07-05 Andrew Haley <aph@redhat.com>
8099 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
8100 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
8101 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
8103 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
8105 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
8106 reference if the target constant is also a SYMBOL_REF.
8108 2001-07-05 Eric Christopher <echristo@redhat.com>
8110 * config/mips/mips.h (MASK_MIPS3900): Remove.
8111 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
8112 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
8113 (TARGET_MIPS3900): Change to use mips_arch.
8114 (TARGET_MIPS4000): New.
8115 (TARGET_MIPS4100): New.
8116 (TARGET_MIPS4300): New.
8117 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
8118 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
8120 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
8121 (ISA_HAS_BRANCHLIKELY): To here.
8122 (CC1_CPU_SPEC): New.
8123 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
8124 (mips_arch_string): Declare.
8125 (mips_arch): Declare.
8126 (TARGET_OPTIONS): Add -march and -mtune.
8128 * config/mips/mips.c (mips_arch_string): New.
8130 (override_options): Handle -march for codegen and -mtune
8131 for scheduling. Use mips_arch. Move tx39 target default here.
8132 (mips_parse_cpu): Move error message to override_options.
8134 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
8136 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
8138 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
8139 (MIPS Options): Ditto. Change mcpu entry to historical text.
8141 2001-07-05 H.J. Lu (hjl@gnu.org)
8143 * config/mips/mips.c (mips_parse_cpu): New function to parse
8146 2001-07-05 Jim Wilson <wilson@redhat.com>
8148 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
8149 * config/ia64/t-ia64: Likewise.
8150 (LIB1ASMFUNCS): Update comment.
8152 2001-07-05 David Edelsohn <edelsohn@gnu.org>
8154 * doc/install.texi (Install GCC: Binaries): Fix typo.
8156 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8158 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
8159 reference using the stack pointer, adjust it since we push Y
8161 ("*ashrsi3"): Likewise.
8162 ("*lshrsi3"): Likewise.
8164 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8166 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
8167 when -fomit-frame-pointer is used.
8169 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
8171 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
8172 (try_redirect_by_replacing_jump): Reverse updating properly the
8173 count and frequency information. Reverse removing cc0 setter.
8174 (forwarder_block_p): Reverse fixing for fallthru blocks.
8176 2001-07-05 DJ Delorie <dj@redhat.com>
8178 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
8179 (translate_options): If the above is defined, use it to map
8180 given options to new options.
8181 * doc/tm.texi: Document it.
8183 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
8184 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8186 * doc/invoke.texi (Optimize Options): Document that -fgcse may
8187 cause programs using computed gotos to run more slowly.
8189 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8191 * doc/install.texi (Specific): Markup, spelling and typo fixes.
8193 Consistently require binutils 2.11.2, not prereleases.
8194 (Specific, decstation-*): Canonicalize as mips-dec-*.
8195 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
8197 (Specific, m68k-altos): Removed reference to README.altos, deleted.
8198 (Specific, mips-*): Reword MIPS C compiler requirements.
8199 (Specific, powerpc*-*-*): New, mention --with-cpu once.
8200 (Specific, sunv5): Removed, obsolete.
8202 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
8204 * dwarf2out.c (output_loc_list): Use an all ones mask for
8205 .text asm output and don't rely on long long
8206 literals. Reformat some long lines.
8208 2001-07-05 Andreas Jaeger <aj@suse.de>
8210 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
8213 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8215 * dwarf2out.c (dwarf2out_define): Update comment.
8216 (dwarf2out_undef): Ditto.
8217 (dwarf2out_start_source_file): Ditto.
8218 (dwarf2out_end_source_file): Ditto.
8219 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
8220 since we never call the start/end debug hook for the primary file.
8222 2001-07-04 Kazu Hirata <kazu@hxi.com>
8224 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
8227 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8229 * cppinit.c (remove_dup_dirs): Inform if a system include
8230 directory is being reordered.
8231 * doc/invoke.texi (Directory Options): GCC warns if you hide a
8233 * doc/cpp.texi (Search Paths): Likewise.
8234 * doc/gcc.texi (Interoperation): Remove information about
8237 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8239 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
8240 (VARRAY_TOP_CHAR_PTR): Likewise.
8242 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8244 * gcc.c (process_command): Don't assign elements of a const char*.
8246 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8248 * emit-rtl.c (change_address): Don't abort if invalid address while
8249 reload is in progress.
8251 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8253 * c-lex.c (cb_file_change): Pass line number to
8254 debug_start_source_file.
8255 (cb_undefine): Pass correct line number to debug_undef.
8257 * toplev.c (debug_start_source_file): Add line number to
8258 parameters. Pass it along to dwarf2out_start_source_file.
8259 (decode_g_option): Stop resetting debug level back to normal when
8260 we change debug formats, unless the current level is
8261 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
8264 * toplev.h (debug_start_source_file): Add line number to
8267 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
8270 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
8272 Output debug_macinfo data for starting file if requested.
8273 (dwarf2out_end_source_file): Output debug_macinfo data for ending
8275 (dwarf2out_define): Output debug_macinfo data for defining a macro
8277 (dwarf2out_undef): Output debug_macinfo data for undefining a
8279 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
8280 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
8281 (macinfo_section_label): New. DWARF2 macro info section label.
8282 (dwarf2out_init): If we want macro info, output the start label
8284 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
8285 attribute to the compilation unit die pointing to the macro info.
8287 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8289 * dwarf2out.c (new_loc_list): Move to inside #ifdef
8290 DWARF2_DEBUGGING_INFO.
8291 (add_loc_descr_to_loc_list): Ditto.
8292 (output_loc_list): Ditto.
8293 Also, fix thinko in curr not being initialized.
8294 (gen_internal_sym): Ditto.
8296 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8298 * emit-rtl.c (replace_equiv_address): New function.
8299 * expr.h (replace_equiv_address): New declaration.
8300 * explow.c (validize_mem): Call it instead of change_address and
8301 also call if -fforce-addr and address is constant.
8302 * expr.c: Replace more calls to change_address with adjust_address
8303 and/or replace_equiv_address or to validize_mem.
8304 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
8305 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
8306 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8307 * config/i370/i370.md, config/i860/i860.md: Likewise.
8308 * config/i960/i960.md, config/mips/mips.c: Likewise.
8309 * config/mips/mips.md, config/pa/pa.md: Likewise.
8310 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
8311 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
8313 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8315 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
8317 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
8320 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
8322 * doc/include: New directory.
8323 * doc/fdl.texi: Move to doc/include/fdl.texi.
8324 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
8325 * doc/include/funding.texi, doc/include/gpl.texi: New files.
8326 * doc/gcc.texi: Use funding.texi and gpl.texi.
8327 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
8328 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
8329 Update dependencies and use -I $(docdir)/include.
8331 2001-07-04 Anthony Green <green@redhat.com>
8333 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
8335 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8337 * doc/install.texi (sparc64-*-*): Remove garbage.
8339 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
8341 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
8342 Fix typo in last change to use adjust_address.
8344 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8346 * doc/install.texi (Specific): Update information for *-*-solaris*.
8348 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8350 * explow.c (plus_constant_wide): Reinitialize Y for restart.
8352 2001-07-03 Stan Shebs <shebs@apple.com>
8354 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
8355 case for flag_no_mach_text_sections.
8356 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
8357 * config/darwin.c (flag_no_mach_text_sections): Remove.
8358 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
8360 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8362 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
8363 and avoid checking for constant as first operand.
8364 * recog.c (find_constant_term_loc): No longer static.
8365 (adj_offettable_operand): Delete.
8366 * rtl.h (adj_offsettable_operand): Delete declaration.
8367 (find_constant_term): Add declaration.
8368 * caller-save.c: Replace calls to adj_offsettable_operand with calls
8370 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
8371 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
8372 * config/i386/i386.c, config/i386/i386.md: Likewise.
8373 * config/i860/i860.c, config/i960/i960.c: Likewise.
8374 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
8375 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
8376 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
8377 * config/mips/mips.c, config/mips/mips.md: Likewise.
8378 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
8379 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
8380 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
8381 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
8382 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
8383 * config/ns32k/ns32k.md: Likewise.
8385 2001-07-03 Zack Weinberg <zackw@stanford.edu>
8387 * rtl.c (copy_rtx): Handle 'T' format letter.
8388 * gensupport.c (collect_insn_data): Likewise.
8389 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
8391 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
8393 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
8394 -B option. Use 'dir' not 'foo' as example directory name.
8396 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8398 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8399 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
8401 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8403 * doc/cppinternals.texi: Improve formatting and logical markup.
8405 2001-07-03 Andreas Jaeger <aj@suse.de>
8407 * Makefile.in (insn-recog.o): Add dependency on reload.h.
8409 * genrecog.c (write_header): Include reload.h for prototypes in
8412 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
8415 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
8416 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8417 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
8418 i386_pe_valid_type_attribute_p): Add.
8419 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
8420 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
8422 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8424 * explow.c (plus_constant_wide, case LO_SUM): New case.
8425 (plus_constant_for_output_wide): Delete.
8426 * rtl.h (plus_constant_for_output): Delete.
8427 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
8428 instead of plus_constant_for_output.
8429 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
8430 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
8431 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
8432 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
8433 * config/sparc/sparc.md: Likewise.
8434 Convert some change_address calls to adjust_address.
8436 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8438 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
8439 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
8440 documentation of -std and -Wwrite-strings.
8442 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8444 * cse.c (canon_hash): Don't register registers in very small
8445 register classes, as extending their lifetime might cause
8448 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8450 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8452 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8453 (try_redirect_by_replacing_jump): Update properly the count
8454 and frequency information.
8456 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
8458 * toplev.c (dump_file_index): Move SSA dumps just after first
8460 (dump_file): Corresponding changes.
8461 (rest_of_compilation): Move SSA path to just after the first
8463 * doc/gcc.texi (Passes): Update due to movement of SSA path.
8464 * doc/invoke.texi: Update dump file #s as they were completely
8465 out of date with reality.
8467 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8469 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
8471 * expr.c (emit_move_insn_1): Deal with non-default
8474 * expr.c (emit_single_push_insn): Fix warning.
8476 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8478 * expr.c (emit_move_insn_1): Avoid modifying
8479 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
8481 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8483 * emit-rtl.c (adjust_address): New function.
8484 * expr.h (adjust_address): Add declaration.
8485 * builtins.c: Replace some calls to change_address with calls to it
8487 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
8488 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
8489 * config/arm/arm.c, config/convex/convex.c: Likewise.
8490 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8491 * config/i386/i386.c, config/i386/i386.md: Likewise.
8492 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
8493 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
8494 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
8495 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
8496 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
8498 2001-07-02 Jim Wilson <wilson@redhat.com>
8500 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
8502 2001-07-02 Steve Ellcey <sje@cup.hp.com>
8504 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
8505 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
8507 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8509 * cppinit.c (lang_defaults): New table.
8510 (set_lang): Just read from lang_defaults into the live options
8513 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8515 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
8516 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
8517 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
8519 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8521 * doc/install.texi: Various spelling and markup fixes.
8522 (Installing GCC): Component specific installation instructions are
8525 Warn about removing old install dir in the presence of shared libs.
8526 (Configuration): Invoke with options target to match configure
8528 Consistently refer to gas, gld pathnames.
8529 Invert --enable-multilib documentation.
8530 Remove references to old compiler versions.
8532 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8534 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
8536 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8538 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
8540 (Specific, mips*-sgi-irix5): Note IDO download.
8541 Reworded MIPS C hints.
8542 Use GNU as instead of GAS.
8544 Removed SGI Freeware reference, IRIX 6 only.
8545 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
8546 Note N64 library requirement/workaround.
8548 Complete list of structure passing bug victims.
8550 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8552 * doc/install.texi: Remove CVS Id.
8554 2001-07-02 Andreas Jaeger <aj@suse.de>
8556 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
8557 (find_inherently_necessary): Remove unused variable.
8559 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
8561 * c-common.h (TDI_inlined): New ast dump phase.
8562 (dump_flag_name): New function.
8563 * c-dump.c (dump_files): Add inlined phase.
8564 (dump_flag_name): Define.
8565 * doc/invoke.texi (-fdump-ast-inlined): Document.
8567 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8569 * stor-layout.c (layout_decl): Revert change to handling of alignment
8572 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8574 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
8577 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
8579 * doc/tm.texi (FUNCTION_ARG): Document that the last call
8582 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
8584 * tlink.c (recompile_files): Remove COMPILER_PATH and
8585 LIBRARY_PATH from the environment.
8587 2001-07-01 Zack Weinberg <zackw@stanford.edu>
8589 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
8590 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
8592 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
8594 * c-parse.in (OBJC_STRING): Kill.
8595 (objc_string): Decompose to [objc_string] '@' STRING.
8596 (reswords): Take the leading '@' off all the Objective C keywords.
8597 (objc_rid_sans_at): Kill.
8598 (init_reswords): Don't initialize it.
8599 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
8600 (_yylex): Kill reconsider label. Look ahead one token after
8601 an '@'; if we get an identifier, check whether it's an
8602 Objective C @-keyword. If so, return the keyword. Otherwise,
8603 put back the token and return the '@' as a terminal.
8605 * cpplib.c (lex_macro_node): Remove unnecessary check for
8606 leading '@' on identifier. Clarify control flow and commentary.
8608 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8610 * cse.c (new_label_ref): Variable deleted.
8611 (insert): Remove set of new_label_ref.
8612 (check_for_label_ref): New function.
8613 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
8615 See ChangeLog.5 for earlier changes.