1 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * ggc-page.c (ggc_marked_p): Properly convert return to boolean.
5 2001-09-20 DJ Delorie <dj@redhat.com>
7 * c-typeck.c (really_start_incremental_init): Discriminate
8 between zero-length arrays and flexible arrays.
9 (push_init_level): Detect zero-length arrays and handle them
10 like fixed-sized arrays.
11 * expr.c (store_constructor): Handle zero-length arrays and
12 flexible arrays correctly.
13 * doc/extend.texi: Update zero-length array notes.
15 2001-09-20 Jim Wilson <wilson@redhat.com>
17 * config/ia64/ia64.c (itanium_split_issue): Allow max 2 FP per cycle.
18 (insn_matches_slot): Handle TYPE_L and TYPE_X slots when checking
19 for issue port conflicts.
20 (cycle_end_fill_slots): TYPE_L instructions take two slots.
22 2001-09-20 Andrew MacLeod <amacleod@redhat.com>
24 * testsuite/gcc.c-torture/execute/990208-1.x: New. XFAIL at -O3
27 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
29 * fold-const.c (hashtab.h): Include.
30 (int_const_binop): Remove FORSIZE arg and compute from type; all
32 Call size_int_type_wide for all single-word constants.
33 (size_htab_hash, size_htab_eq): New functions.
34 (size_int_type_wide): Rework to use hash table.
35 * ggc-common.c (hashtab.h): Include.
36 (struct d_htab_root): New struct.
37 (d_htab_roots): New variable.
38 (ggc_add_deletable_htab, ggc_htab_delete): New functions
39 (ggc_mark_roots): Handle deletable htabs.
40 * ggc-page.c (ggc_marked_p): New function.
41 * ggc-simple.c (ggc_marked_p): Likewise.
42 * ggc.h: Reformatting throughout.
43 (ggc_marked_p, ggc_add_deletable_htab): New declarations.
44 * tree.c (init_obstacks): Make type_hash_table a deletable root.
45 (type_hash_add): Allocate struct type_hash from GC memory.
46 (mark_hash_entry, mark_type_hash): Deleted.
47 (type_hash_marked_p, type_hash_mark): New functions.
48 * Makefile.in (ggc-common.o, fold-const.o): Include hashtab.h.
50 Thu Sep 20 12:49:34 2001 J"orn Rennecke <amylaar@redhat.com>
52 * sh.c (shiftcosts): Don't use shiftcosts array for modes wider
55 Thu Sep 20 09:00:27 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
57 * stor-layout.c (layout_type, case ARRAY_TYPE): Kludge to disable
58 array-too-large test for signed sizetype.
60 Thu Sep 20 12:19:36 CEST 2001 Jan Hubicka <jh@suse.cz>
62 * i386.md (indirect_jump): Allow Pmode operand.
63 (tablejump): LIkewise; perform expansion to 64bit mode.
64 * i386.c (symbolic_operand): Allow 64bit PIC references.
65 (pic_symbolic_operand): Likewise.
66 (ix86_find_base_term): Strip the 64bit PIC references.
67 (legitimate_pic_address_disp_p): Handle 64bit PIC.
68 (legitimize_pic_address): Likewise.
69 (i386_simplify_dwarf_addr): Strip down the 64bit PIC references.
70 * i386.h (CASE_VECTOR_MODE): Set to SImode for 64bit PIC compilation.
72 2001-09-19 Alan Modra <amodra@bigpond.net.au>
73 David Edelsohn <edelsohn@gnu.org>
76 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
77 already sign-extended.
79 * config/rs6000/aix.h (INIT_TARGET_OPTABS): Define TFmode handlers.
80 * config/rs6000/rs6000.c (logical_operand): Always compare op as
82 (rs6000_emit_set_long_const): Avoid unnecessary shift.
83 (output_profile_hook): Declare label_name const.
84 * config/rs6000/rs6000.md (boolcsi3, boolcdi3): Change predicates
87 2001-09-19 Stan Shebs <shebs@apple.com>
89 * alias.c: Fix typos in comments.
90 * sched-rgn.c (init_ready_list): Ditto.
91 * unwind-dw2.c (uw_frame_state_for): Ditto.
92 * unwind-dw2-fde.c (_Unwind_Find_FDE): Ditto.
93 * unwind.inc (_Unwind_RaiseException_Phase2): Ditto.
94 * config/rs6000/rs6000.c (rs6000_adjust_priority): Ditto.
96 2001-09-19 Richard Henderson <rth@redhat.com>
98 * cfg.c (force_nonfallthru_and_redirect): Handle redirecting
100 * Makefile.in (cfg.o): Depend on TM_P_H.
102 2001-09-19 Richard Henderson <rth@redhat.com>
104 * config/alpha/alpha.c (local_symbol_p): Split out from ...
105 (local_symbolic_operand): ... here.
106 (small_symbolic_operand): Check mode.
107 (global_symbolic_operand): New.
108 (input_operand): Reject symbolics if explicit relocs.
109 (call_operand): Tidy.
110 (alpha_legitimize_address): Use movdi_er_high_g.
111 (alpha_expand_mov): Likewise.
112 * config/alpha/alpha-protos.h: Update.
113 * config/alpha/alpha.h (PREDICATE_CODES): Update.
114 * config/alpha/alpha.md (UNSPEC_LITERAL, UNSPEC_LITUSE): New.
115 (UNSPEC_LDGP2, UNSPECV_PLDGP2): New.
116 (UNSPECV_LDGP2): Remove.
117 (all call patterns): Use 's' not 'i' for symbolic constraint.
118 (call_osf call_value_osf): Use call_operand.
119 (all osf call patterns): Use $gp. New peepholes for explicit relocs.
120 (movdi_er_nofix, movdi_er_fix): Remove symbolic alternative.
121 (prologue_ldgp_1_er): Remove.
122 (ldgp_er_1, ldgp_er_2, prologue_ldgp_er_2): New.
123 (builtin_setjmp_receiver_er patterns): Use them.
124 (exception_receiver_er): Likewise.
126 2001-09-19 Richard Henderson <rth@redhat.com>
128 * cfgbuild.c (find_sub_basic_blocks): Handle insns that can throw.
130 * emit-rtl.c (try_split): Copy NORETURN, SETJMP, ALWAYS_RETURN
131 and NON_LOCAL_GOTO notes.
132 * recog.c (peephole2_optimize): Likewise. Handle EH_REGION;
133 copy over CALL_INSN_FUNCTION_USAGE.
135 2001-09-18 Catherine Moore <clm@redhat.com>
137 * config/stormy16/stormy16.h (DEFAULT_PCC_STRUCT_RETURN):
140 2001-09-18 Ulrich Weigand <uweigand@de.ibm.com>:
142 * config.gcc (s390-*-linux-*, s390x-*-linux*): Switch to
143 new-style tm_file specification. Specify correct tm_p_file,
144 md_file, and out_file for s390x.
146 * config/s390/linux.h, linux64.h: Don't include other target
147 macro header files. Now handled via tm_file.
149 * config/s390/linux.h, s390.h: (IEEE_FLOAT, TARGET_IEEE_FLOAT,
150 TARGET_IBM_FLOAT): Move from linux.h to s390.h to ensure they
151 are defined before use.
153 Tue Sep 18 09:51:11 2001 Eric Christopher <ecechristo@redhat.com>
155 * config/mips/mips.c (mips_asm_file_start): Conditionalize Elf
156 code generation only for Gnu assembler.
158 2001-09-18 Catherine Moore <clm@redhat.com>
160 * config/stormy16 (LIB_SPEC): Remove -lnosys.
162 2001-09-18 Richard Sandiford <rsandifo@redhat.com>
164 * config/mips/mips.c (mips_frame_set): New.
165 (mips_emit_frame_related_store): When storing two 32-bit FPRs, use
166 a parallel frame-related expression with a set for each register.
168 2001-09-18 Philip Blundell <philb@gnu.org>
170 * config/arm/lib1funcs.asm (L_dvmd_lnx): Don't rely on kernel
173 2001-09-17 Dale Johannesen <dalej@apple.com>
175 * config/rs6000/rs6000.h (FIXED_REGISTERS): Use FIXED_R2.
176 * config/rs6000/aix.h (FIXED_R2): Define.
177 * config/rs6000/darwin.h (FIXED_R2): Define.
178 * config/rs6000/sysv4.h (FIXED_R2): Define.
180 2001-09-17 Jeff Sturm <jsturm@one-point.com>
182 * except.c (dw2_build_landing_pads): New local
183 clobbers_hard_regs. Emit an ASM_INPUT as a scheduling
184 barrier after clobbers. Fixes c++/4012.
186 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
188 * gcc.c (find_file): Use ACONCAT in lieu of alloca/strcpy/strcat.
190 2001-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
192 * dostage2, dostage3, listing, make-l2.com, makefile.vms,
193 patch-apollo-includes, vmsconfig.com: Remove obsolete files.
195 2001-09-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
197 * c-aux-info.c (affix_data_type): Use ASTRDUP in lieu of
200 2001-09-17 Neil Booth <neil@daikokuya.demon.co.uk>
202 * cpphash.h (_cpp_lex_direct): New.
203 * cpplex.c (_cpp_lex_token): Update.
204 (lex_token): Rename _cpp_lex_direct; lex into pfile->cur_token,
205 and increment that pointer.
206 * cppmacro.c (alloc_expansion_token): New.
207 (lex_expansion_token): Lex macro expansion directly into
210 2001-09-16 Brad Lucier <lucier@math.purdue.edu>
212 * Makefile.in: Make rtl-error.o depend on $(CONFIG_H).
214 Sun Sep 16 21:59:46 CEST 2001 Jan hubicka <jh@suse.cz>
216 * basic-block.h (free_bb_for_insn): Declare.
217 * bb-reorder.c (label_for_bb): Use block_label.
218 (emit_jump_to_block_after): Remove.
219 (insert_intra_1): Do not update block_for_insn.
220 (insert_inter_bb_scope_notes): Likewise; update bb->end
221 * cfg.c (free_bb_for_insn): New.
222 (try_rediret_by_replacing_jump): Avoid set_block_for_new_insns call.
223 (force_nonfallthru_and_redirect): Likewise; do not update BB boundaries.
224 (commit_one_edge_insertion): Likewise.
225 (commit_one_edge_insertion): Do not update BB boundary.
226 (commit_edge_insertions): Do not call compute_bb_for_insn.
227 * cfgbuild.c (find_basic_blocks): Do not free basic_block_for_insn.
228 * cfgcleanup.c (merge_blocks_move_predecessor): Use reorder_insns_nobb.
229 (merge_blocks_move_successor_nojumps): Likewise.
230 (try_crossjump_to_edge): Do not update block_for_insn.
231 * combine.c (combine_instructions): Remove compute_bb_for_insn call.
232 * df.c (df_pattern_emit_later): Do not update BB boundary.
233 (df_jump_pattern_emit_after): Likewise.
234 (df_insn_move_before): Use emit_insn_before.
235 * emit-rtl.c (try_split): Emit after trial to get bb boundary updated
237 (add_insn_after, add_insn_before, emit_insns_after): Update BB
238 boundaries and basic_block_for_insn.
239 (reorder_insns_nobb): Rename from reorder_insns.
240 (reorder_insns): New.
241 (emit_block_insn_before, emit_block_insn_after): Kill.
242 * flow.c (check_function_return_warnings): Do not call
243 compute_bb_for_insn; Do not free basic_block_for_insn.
244 (attempt_auto_inc): Do not update basic_block_for_insn.
245 * function.c (emit_return_into_block): Likewise;
246 do not update BB boundaries.
247 * gcse.c (handle_avail_expr): Do not update basic_block_for_insn.
248 (insert_insn_end_bb): Use emit_insn_before; Likewise.
249 (pre_insert_copy_insn): Likewise.
250 (update_ld_motion_notes): Likewise.
251 (insert_insn_start_bb): Likewise.
252 (replace_store_insn): Likewise.
253 * ifcvt.c (noce_process_if_block): Likewise.
254 (if_convert): Do not call compute_bb_for_insn.
255 * lcm.c (optimize_mode_switching): Do not update BB boundaries.
256 Use emit_insn_before and emit_insn_after.
257 * recog.c (split_all_insns): Do not update BB boundaries;
258 Do not call compute_bb_for_insn.
259 (peephole2_optimize): Do not update BB boundaries.
260 * reg-stack.c (emit_pop_insn): Use emit_insn_after and
262 (emit_swap_insn): Likewise.
263 (convert_regs_1): Likewise.
264 * reload1.c (reload): Call compute_bb_for_insn.
265 * rtl.h (reorder_insns_nobb): Declare.
266 * ssa.c (rename_equivalent_regs): Use emit_insn_before.
267 * toplev.c (rest_of_compilation): Call free_bb_for_insn
268 at places CFG is invalidated; do not call compute_bb_for_insn.
270 * cfg.c (expunge_block): Invalidate BB structure.
272 * (merge_blocks_nomove): Update properly BLOCK_FOR_INSN
275 * cfg.c (verify_flow_info): Verify the basic_block_for_insn array.
277 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
279 * cpphash.h (_cpp_lex_token): Update prototype.
280 * cpplex.c (_cpp_lex_token): New prototype.
281 * cpplib.c (skip_rest_of_line, check_eol, _cpp_handle_directive,
282 lex_macro_node, read_flag, do_pragma_poison): Update.
283 * cppmacro.c (cpp_get_token, parse_params,
284 lex_expansion_token): Update.
286 2001-09-16 Neil Booth <neil@daikokuya.demon.co.uk>
288 * cppmain.c (scan_translation_unit): Don't worry about
289 putting a space after hashes.
290 * cpplib.c (directive_diagnostics): New.
291 (_cpp_handle_directive): Update to use directive_diagnostics.
292 (run_directive): Don't toggle prevent_expansion.
293 (do_line): Backup in case of the line extension.
294 * cpplib.h (cpp_lexer_pos): Remove.
295 * cppmacro.c (_cpp_create_definition): Precede a leading #
298 2001-09-15 Richard Henderson <rth@redhat.com>
300 * c-typeck.c (comptypes): Handle zero-length arrays properly.
302 2001-09-15 Roman Lechtchinsky <rl@cs.tu-berlin.de>
304 * c-common.c (c_promoting_integer_type_p): Handle ?Imode types.
306 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
309 * tradcpp.c (handle_directive): Skip non-vertical space.
311 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
313 * cppmain.c (setup_callbacks): Set line callback only
314 if outputting preprocessed source.
316 2001-09-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
318 * collect2.c (main): Const-ification.
319 * gcc.c (translate_options, process_command): Use xstrdup in
320 lieu of xmalloc/strcpy.
321 (main): Use concat in lieu of xmalloc/strcpy/strcat.
323 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
325 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Fix
328 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
330 * scan-decls.c (scan_decls): Fix typo.
332 2001-09-15 Neil Booth <neil@daikokuya.demon.co.uk>
334 * cpphash.h (struct cpp_reader): Remove lexer_pos, directive_pos.
335 Split mlstring_pos into mls_line and mls_col.
336 * cppinit.c (cpp_create_reader): Initialize line to 1.
337 (cpp_destroy): Free tokenruns.
338 (push_include): Don't update lexer_pos.
339 * cpplex.c (unterminated, parse_string): Update.
340 (lex_token): Don't update lexer_pos, update.
341 * cpplib.c (if_stack): Save line instead of line + col.
342 (start_directive, _cpp_do__Pragma, do_else, do_elif,
343 push_conditional, _cpp_pop_buffer): Update.
344 * cppmacro.c (funlike_invocation_p): Don't save lexer_pos.
345 (_cpp_create_definition): Update.
347 2001-09-15 Eric Christopher <echristo@redhat.com>
349 * config/mips/abi64.h: Add support for MEABI.
351 2001-09-15 Eric Christopher <echristo@redhat.com>
353 * config/mips/mips.md: Add unspec #2.
355 (reload_outdi): Ditto.
356 (reload_outsi): Ditto.
359 2001-09-15 Eric Christopher <echristo@redhat.com>
360 Jason Eckhardt <jle@redhat.com>
362 * config.gcc: Add mipsisa32 target and mipsisa32-linux target.
363 * config/mips/isa32-linux.h: New file.
364 * config/mips/isa3264.h: Ditto.
365 * config/mips/mips-protos.h: Add mips_hard_regno_nregs.
366 * config/mips/mips.c (mips_hard_regno_nregs): Move here from mips.h.
367 (output_block_mode): Support MEABI.
368 (function_arg): Ditto. Fix floating point arg passing.
369 (mips_va_start): Ditto.
370 (override_options): Add isas 32 and 64, meabi, mips32 and mips64
372 (mips_asm_file_start): Add new section to pass abi to gdb.
373 (function_arg_pass_by_reference): Support MEABI.
374 (mips_parse_cpu): Support mips32 and mips64 processors.
375 * config/mips/mips.h: Support ABI_MEABI, TARGET_MIPS4KC,
376 TARGET_MIPS5KC. Support isa32 and isa64.
377 (processor_type): Add r4kc, r5kc, r20kc.
378 (GENERATE_MULT3_SI): New.
379 (GENERATE_MULT3_DI): Ditto.
380 (GENERATE_MULT3): Remove.
381 (ISA_HAS_64BIT_REGS): Add isa == 64.
382 (ISA_HAS_8CC): Add mips_isa = 32 and 64.
383 (ISA_HAS_MADD_MSUB): New.
384 (ISA_HAS_CLZ_CLO): Ditto.
385 (ISA_HAS_DCLZ_DCLO): Ditto.
386 (ABI_GAS_ASM_SPEC): New.
387 (GAS_ASM_SPEC): Use. Add support for mips32, mips64.
390 (SUBTARGET_CC1_SPEC): Ditto.
391 (SUBTARGET_CPP_SIZE_SPEC): Ditto.
392 (PAD_VARARGS_DOWN): Support MEABI.
393 (HARD_REGNO_NREGS): Move to mips.c.
394 (ASM_OUTPUT_IDENT): Add #undef.
395 * config/mips/mips.md: Add r4kc, r5kc, r20kc.
396 (mulsi3): Use GENERATE_MULT3_SI.
397 (mulsi3_mult3): Ditto. Support mips32, mips64.
398 (mul_acc_si): Use ISA_HAS_MADD_MSUB.
399 (mul_sub_si): New pattern.
400 (unnamed splitters): New.
401 (muldi3): Use GENERATE_MULT3_DI.
402 (muldi3_internal2): Ditto.
403 (movdicc): Support mips32.
404 * config/mips/t-isa3264: New file.
406 2001-09-15 Hans-Peter Nilsson <hp@axis.com>
408 * rtl.h (FIND_REG_INC_NOTE) [HAVE_PRE_INCREMENT
409 || HAVE_PRE_DECREMENT || HAVE_POST_INCREMENT
410 || HAVE_POST_DECREMENT]: Call find_regno_note for REGs.
412 * reorg.c (fill_slots_from_thread): After call to
413 steal_delay_list_from_target, update own_thread as new_thread may
416 2001-09-14 Neil Booth <neil@daikokuya.demon.co.uk>
418 * cpperror.c (print_location): Take line and column, for
419 default positioning use the previously lexed token.
420 (_cpp_begin_message): Take line and column.
421 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
422 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
423 * cpphash.h (_cpp_begin_message): Update prototype.
424 * cppinit.c (push_include): Don't set output line.
425 * cpplex.c (_cpp_lex_token): Callback for start of new output lines.
426 * cpplib.c (do_diagnostic, _cpp_pop_buffer): Update.
427 (do_pragma): Kludge for front ends. Don't expand macros at all.
428 * cpplib.h (cpp_lookahead, cpp_token_with_pos, cpp_get_line): Remove.
429 (struct cpp_token): Remove output_line.
430 (struct cpp_callbacks): New member line_change.
431 * cppmacro.c (builtin_macro, paste_all_tokens, replace_args,
432 cpp_get_token): Preserve BOL flag.
433 (cpp_get_line): Remove.
434 (_cpp_backup_tokens): Remove useless abort().
435 * cppmain.c (cb_line_change): New.
436 (scan_translation_unit): Don't worry about starting new lines here.
437 * scan-decls.c (scan_decls): Update.
438 * c-lex.c (c_lex, init_c_lex): Update.
439 (cb_line_change, src_lineno): New.
441 Fri Sep 14 13:54:50 EDT 2001 John Wehle (john@feith.com)
443 * tree.c (append_random_chars): Generate the random
444 characters in a reproducable fashion.
446 2001-09-14 Richard Henderson <rth@redhat.com>
448 * config/i386/i386.c (internal_label_prefix): New.
449 (internal_label_prefix_len): New.
450 (override_options): Set them.
451 (local_symbolic_operand): New.
452 (legitimate_pic_address_disp_p): Use it.
453 (legitimize_pic_address): Likewise.
455 2001-09-14 Marc Espie <espie@openbsd.org>
457 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Generate reference to GOT
460 2001-09-14 Roman Lechtchinsky <rl@cs.tu-berlin.de>
462 * config/alpha/alpha.md (unaligned_extendhidi_be): Fix.
463 * config/alpha/unicosmk.h (INIT_TARGET_OPTABS): New.
465 2001-09-14 Nick Clifton <nickc@cambridge.redhat.com>
467 * rtlanal.c (subreg_regno_offset): Add semicolon to end of
468 invocation of SUBREG_REGNO_OFFSET.
470 * haifa-sched.c: Fix typo in FSF copyright statement.
471 * sched-deps.c: Fix typo in FSF copyright statement.
472 * sched-ebb.c: Fix typo in FSF copyright statement.
473 * sched-rgn.c: Fix typo in FSF copyright statement.
474 * sched-vis.c: Fix typo in FSF copyright statement.
476 * config.gcc: Move inclusion of arm elf specific header files
477 from the files themselves into the tm_file variable. Make
478 sure that elfos.h is included before target specific elf
480 * config/arm/aout.h (NO_DOLLAR_IN_LABEL): Only define if not
482 (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Protect definition.
483 * config/arm.arm.h (TARGET_MEM_FUNCTIONS,
484 ASM_OUTPUT_CASE_LABEL): Protect definition.
485 (CC1_SPEC, FP_DEFAULT, ARM_FUNCTION_PROFILE): Only define if
487 * config/arm/conix-elf.h: (USER_LABEL_PREFIX,
488 LOCAL_LABEL_PREFIX, MAKE_DECL_ONE_ONLY, UNIQUE_SECTION):
489 Remove duplicate definition.
490 (READONLY_DATA_SECTION, SUBTARGET_EXTRA_SECTION,
491 (SUBTARGET_EXTRA_SECTION_FUNCTION, RDATA_SECTION_ASM_OP,
492 (RDATA_SECTION_FUNCTION): Remove redundant definition.
493 (STARTFILE_SPEC, ENDFILE_SPEC): Protect definition.
494 Remove inclusion of arm/elf.h.
495 * config/arm/unknown-elf.h: as for conix-elf.h.
496 (STARTFILE_SPEC): Include crti.o and crtn.o.
497 * config/arm/linux-elf.h: as for conix-elf.h.
498 * config/arm/ecos-elf.h: Remove inclusion of unknown-elf.h.
499 * config/arm/strongarm-elf.h: Remove inclusion of
501 * config/arm/xscale-elf.h: Remove inclusion of unknown-elf.h.
502 * config/arm/unknown-elf-oabi.h: Remove inclusion of
503 unknown-elf.h and elf.h.
504 * config/arm/uclinux-elf.h: Remove inclusion of linux-elf.h.
505 * config/arm/linux-gas.h (DBX_DEBUGGING_INFO,
506 ASM_WEAKEN_LABEL): Remove redundant definition.
507 * config/arm/elf.h: Test for inclusion of elfos.h
508 (USER_LABEL_PREFIX, ASM_DECLARE_RESULT, ASM_DECLARE_RESULT,
509 ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT_NAME,
510 SUBTARGET_EXTRA_SECTION, SUBTARGET_EXTRA_SECTION_FUNCTION,
511 EXTRA_SECTIONS, INT_ASM_OP, ASM_WEAKEN_LABEL): Remove
512 redundant definition.
513 (TYPE_OPERAND_FMT, ASM_DECLARE_FUNCTION_NAME,
514 ASM_DECLARE_FUNCTION_SIZE, ASM_OUTPUT_INTERNAL_LABEL,
515 ASM_OUTPUT_ALIGNED_COMMON): Protect definition.
516 * t-arm-elf (EXTRA_MULTILIB_PARTS): Add crti.o and crtn.o.
517 Add rules to build crti.o and crtn.o
518 * crti.asm: New file.
519 * crtn.asm: New file.
521 2001-09-13 Neil Booth <neil@daikokuya.demon.co.uk>
523 * c-parse.in (_yylex): Use _cpp_backup_tokens.
524 * cpphash.h (struct tokenrun): Add prev.
525 (struct lexer_state): Remove bol.
526 (struct cpp_reader): Remove old lookahead stuff, add lookaheads.
527 (_cpp_free_lookaheads, _cpp_release_lookahead, _cpp_push_token)
529 * cppinit.c (cpp_create_reader): Don't set bol.
530 (cpp_destroy): Don't free lookaheads.
531 * cpplex.c (lex_directive): Remove.
532 (next_tokenrun): Update.
533 (_cpp_lex_token): Clean up logic.
534 (lex_token): Update to return a pointer to lexed token, since it
535 can move to the start of the buffer. Simpify newline handling.
536 * cpplib.c (SEEN_EOL): Update.
537 (skip_rest_of_line): Remove lookahead stuff.
538 (end_directive): Line numbers are already incremented. Revert
539 to start of lexed token buffer if we can.
540 (_cpp_handle_directive, do_pragma, do_pragma_dependency,
541 parse_answer): Use _cpp_backup_tokens.
542 (run_directive, cpp_pop_buffer): Don't set bol, set saved_flags
543 instead. Don't check for EOL.
544 (do_include_common, do_line, do_pragma_system_header): Use
546 * cpplib.h (BOL, _cpp_backup_tokens): New.
547 * cppmacro.c (save_lookahead_token, take_lookahead_token,
548 alloc_lookahead, free_lookahead, _cpp_free_lookaheads,
549 cpp_start_lookahead, cpp_stop_lookahead, _cpp_push_token): Remove.
550 (builtin_macro): Don't use cpp_get_line.
551 (cpp_get_line): Short term kludge.
552 (parse_arg): Handle directives in arguments here. Back up when
553 appropriate. Store EOF at end of argument list.
554 (funlike_invocation_p): Use _cpp_backup_tokens.
555 (push_arg_context): Account for EOF at end of list.
556 (cpp_get_token): Remove lookahead stuff. Update.
558 2001-09-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
560 * c-parse.in (yyerror): Const-ification and/or static-ization.
561 * c-typeck.c (push_member_name): Likewise.
562 * collect2.c (main): Likewise.
563 * dbxout.c (dbxout_parms): Likewise.
564 * diagnostic.c (format_with_decl): Likewise.
565 * dwarf2out.c (output_ranges): Likewise.
566 * dwarfout.c (fundamental_type_code): Likewise.
567 * except.c (dw2_output_call_site_table): Likewise.
568 * gcc.c (do_spec_1): Likewise.
569 * genopinit.c (optabs): Likewise.
570 * objc/objc-act.c (synth_id_with_class_suffix, start_class,
571 gen_declaration_1, handle_impent): Likewise.
572 * protoize.c (default_include, in_system_include_dir, abspath):
574 * sched-vis.c (visualize_stall_cycles): Likewise.
575 * sdbout.c (plain_type_1, sdbout_end_function,
576 sdbout_end_epilogue): Likewise.
577 * varasm.c (decode_reg_name): Likewise.
579 * 1750a.c (mod_regno_adjust): Likewise.
580 * alpha.c (alpha_write_one_linkage,
581 unicosmk_output_default_externs): Likewise.
582 * arm.c (arm_condition_codes): Likewise.
583 * arm.h (arm_condition_codes): Likewise.
584 * avr.c (output_movsisf, encode_section_info): Likewise.
585 * darwin.h (GEN_BINDER_NAME_FOR_STUB, GEN_SYMBOL_NAME_FOR_SYMBOL):
587 * i386.c (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
588 * i386.h (hi_reg_name, qi_reg_name, qi_high_reg_name): Likewise.
589 * m88k.c (output_function_profiler): Likewise.
590 * mips.c (mips_output_conditional_branch): Likewise.
591 * ns32k.c (ns32k_out_reg_names): Likewise.
592 * ns32k.h (ns32k_out_reg_names): Likewise.
593 * pj.c (pj_output_rval): Likewise.
594 * rs6000.c (GEN_LOCAL_LABEL_FOR_SYMBOL): Likewise.
595 * sparc.c (sparc_flat_function_prologue,
596 sparc_flat_function_epilogue): Likewise.
598 2001-09-13 Markus Werle <numerical.simulation@web.de>
599 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
601 * doc/install.texi (Binaries): Add "Binaries for HP-UX 11.00 at
602 Aachen University of Technology".
604 2001-09-13 Andreas Schwab <schwab@suse.de>
606 * config/float-m68k.h: Define DECIMAL_DIG and FLT_EVAL_METHOD for
609 2001-09-13 Richard Henderson <rth@redhat.com>
611 * config/alpha/alpha.c (small_symbolic_operand): New.
612 (override_options): Set MASK_SMALL_DATA based on pic/PIC.
613 (some_operand, input_operand): Don't handle HIGH.
614 (alpha_legitimize_address): Use it. Emit HIGH with PLUS gp.
615 (alpha_expand_mov): Likewise.
616 (print_operand) [H]: Just print HIGH symbol.
617 (print_operand_address): Handle small data.
618 * config/alpha/alpha.h (MASK_SMALL_DATA, TARGET_SMALL_DATA): New.
619 (TARGET_SWITCHES): Add -msmall-data/large-data.
620 (PIC_OFFSET_TABLE_REGNUM): New.
621 (PREFERRED_RELOAD_CLASS): Don't handle HIGH.
622 (PREDICATE_COES): Update.
623 * config/alpha/alpha.md (adddi_er_high): New.
624 (adddi_er_low): Handle small data.
625 * config/alpha/elf.h (DO_SELECT_SECTION): If SMALL_DATA,
626 prefer .sdata to .rodata.
627 (SELECT_RTX_SECTION): Likewise.
629 2001-09-12 Josh Martin <josh.martin@abq.sc.philips.com>
631 * fixinc/inclhack.def(hpux11_size_t): Keep HP-UX headers from
632 defining __size_t and leaving size_t undefined.
634 2001-09-12 Diego Novillo <dnovillo@redhat.com>
636 * basic-block.h (expunge_block): Declare.
637 * cfg.c (expunge_block): Remove static declaration.
639 2001-09-12 Richard Henderson <rth@redhat.com>
641 * integrate.c (copy_insn_list): Copy label name from
642 NOTE_INSN_DELETED_LABEL.
644 2001-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
646 * c-common.c (c_tree_code_name): Const-ification.
647 * c-decl.c (c_decode_option): Likewise.
648 * c-typeck.c (warn_for_assignment): Likewise.
649 * collect2.c (libexts, is_ctor_dtor, main, ignore_library):
651 * cppinit.c (output_deps): Likewise.
652 * dependence.c (dependence_string, direction_string): Likewise.
653 * dwarf2out.c (output_ranges): Likewise.
654 * fixinc/fixfixes.c (emit_gnu_type): Likewise.
655 * fixinc/gnu-regex.c (re_error_msgid): Likewise.
656 * gcc.c (standard_exec_prefix, standard_exec_prefix_1,
657 standard_startfile_prefix, standard_startfile_prefix_1,
658 standard_startfile_prefix_2, tooldir_base_prefix,
659 standard_bindir_prefix, find_a_file): Likewise.
660 * genattrtab.c (make_length_attrs): Likewise.
661 * gencheck.c (tree_codes): Likewise.
662 * genemit.c (gen_split): Likewise.
663 * genrecog.c (special_mode_pred_table): Likewise.
664 * graph.c (graph_ext): Likewise.
665 * protoize (default_include): Likewise.
666 * reload.c (reload_when_needed_name): Likewise.
667 * sched-vis.c (visualize_stall_cycles): Likewise.
668 * tlink.c (recompile_files): Likewise.
669 * toplev.c (decode_g_option): Likewise.
670 * tradcpp.c (output_deps): Likewise.
671 * varasm.c (decode_reg_name): Likewise.
673 * arm.c (arm_condition_codes, strings_fpa, thumb_condition_code):
676 * avr.c (avr_regnames, encode_section_info): Likewise.
677 * c4x.c (float_reg_names): Likewise.
678 * darwin.h (ASM_GLOBALIZE_LABEL): Likewise.
679 * elfos.h (const_section): Likewise.
680 * i386.c (ix86_comp_type_attributes): Likewise.
681 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
682 * ia64/aix.h (UNIQUE_SECTION): Likewise.
683 * ia64.c (type_names): Likewise.
684 * m68hc11.c (reg_class_names): Likewise.
685 * m88k.c (m_options): Likewise.
686 * mips.c (mips_output_conditional_branch, mips_unique_section):
688 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
689 * sparc.c (sparc_flat_function_prologue, sparc_flat_function_epilogue,
690 ultra_code_names): Likewise.
691 * sparc.h (OVERRIDE_OPTIONS): Likewise.
693 2001-09-12 Jakub Jelinek <jakub@redhat.com>
695 * configure.in (gcc_cv_as_shf_merge): Fix a typo.
696 Use --fatal-warnings option for gas.
697 * configure: Rebuilt.
699 2001-09-12 Roman Lechtchinsky <rl@cs.tu-berlin.de>
701 * doc/install.texi (Specific, alphaev5-cray-unicosmk*): Document.
703 2001-09-11 Jim Wilson <wilson@redhat.com>
705 * alias.c (clear_reg_alias_info): Only handle pseudo registers.
707 2001-10-11 Matt Kraai <kraai@alumni.carnegiemellon.edu>
709 * builtins.c (c_strlen): Treat an offset too large for a
710 HOST_WIDE_INT as out of range.
712 Tue Sep 11 18:57:47 CEST 2001 Jan Hubicka <jh@suse.cz>
714 * basic-block.h (EDGE_CRITICAL): Remove; renumber other flags.
715 (EDGE_CRITICAL_P): New predicate.
716 * cfg.c (force_nonfallthru_and_redirect, split_edge): Kill EDGE_CRITICAL
718 (insert_insn_on_edge): Use EDGE_CRITICAL_P.
719 (dump_edge_info): Remove "crit".
720 * cfganal.c (mark_critical_edges): Kill.
721 * cfgbuild.c (find_basic_blocks): Remove mark_critical_edges call.
722 * cfgcleanup.c (cleanup_cfg): Likewise.
723 * profile.c (instrument_edges): Use EDGE_CRITICAL_P.
724 (find_spanning_tree): Likewise.
725 * reg-stack.c (convert_regs_1): Likewise.
726 * ssa.c (mark_regs_equivalent_over_bad_edges): Likewise.
728 * basic-block.h (create_basic_block_structure): New.
729 (create_basic_block): Update prototype.
730 (force_nonfallthru): New.
731 * bb-reorder.c (fixup_reorder_chain): Fixup use force_nonfallthru.
732 * cfg.c (create_basic_block_structure): Rename from create_basic_block;
733 handle updating of block_for_insn, creating of empty BBs and BBs at
734 the end of INSN chain.
735 (create_basic_block): New function.
736 (split_block): Use create_basic_block.
737 (force_nonfallthru_and_redirect): Break out from ...; cleanup
738 (redirect_edge_and_branch_force): ... here.
739 (force_nonfallthru): New.
740 (split_edge): Rewrite to use force_nonfallthru and create_block.
741 * cfgbuild.c (find_basic_blocks_1): Use create_basic_block_structure.
742 (find_basic_blocks): Free basic_block_for_insn.
743 * cfgcleanup.c (merge_blocks): Use force_nonfallthru.
745 * cfg.c: Fix formating.
746 * cfgcleanup.c: Fix formating.
747 (merge_blocks, tail_recursion_label_p): Return bool.
748 (merge_blocks_move_predecessor_nojumps,
749 merge_blocks_move_successor_nojumps): Return void.
751 2001-09-11 Jakub Jelinek <jakub@redhat.com>
753 * configure.in: Check whether assembler supports section merging.
754 * config.in: Rebuilt.
755 * configure: Rebuilt.
756 * varasm.c (variable_section, output_constant_pool): Pass alignment
757 to SELECT_SECTION and SELECT_RTX_SECTION.
758 (mergeable_string_section): New.
759 (mergeable_constant_section): New.
760 (default_elf_asm_named_section): Output SECTION_MERGE and
761 SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
762 * output.h (mergeable_string_section): New.
763 (mergeable_constant_section): New.
764 (SECTION_MERGE, SECTION_STRINGS, SECTION_ENTSIZE): Define.
765 * toplev.c (flag_merge_constants): New.
766 (f_options): Add -fmerge-constants and -fmerge-all-constants
768 (toplev_main): Default to -fno-merge-constants if not optimizing.
769 * flags.h (flag_merge_constants): Add extern.
770 * invoke.texi (-fmerge-constants, -fmerge-all-constants): Document.
771 * tm.texi (SELECT_SECTION, SELECT_RTX_SECTION): Document added third
773 * config/elfos.h (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START):
774 Define if assembler has working .subsection -1 support.
775 (SELECT_RTX_SECTION, SELECT_SECTION): Add third macro argument.
776 Put constant into special SHF_MERGE sections if the linker should
777 attempt to merge duplicates.
778 * config/ia64/sysv4.h (SELECT_RTX_SECTION, SELECT_SECTION): Add third
780 Put constant into special SHF_MERGE sections if the linker should
781 attempt to merge duplicates.
782 * config/alpha/elf.h: Likewise.
783 (ASM_SECTION_START_OP, ASM_OUTPUT_SECTION_START): Define if assembler
784 has working .subsection -1 support.
785 * config/nextstep.h: Add third argument to SELECT_RTX_SECTION and
787 * config/svr3.h: Likewise.
788 * config/darwin.h: Likewise.
789 * config/arm/aof.h: Likewise.
790 * config/arm/linux-elf.h: Likewise.
791 * config/avr/avr.h: Likewise.
792 * config/c4x/c4x.h: Likewise.
793 * config/d30v/d30v.h: Likewise.
794 * config/i386/dgux.h: Likewise.
795 * config/i386/osfrose.h: Likewise.
796 * config/i386/sco5.h: Likewise.
797 * config/i386/svr3gas.h: Likewise.
798 * config/ia64/aix.h: Likewise.
799 * config/m32r/m32r.h: Likewise.
800 * config/m68k/m68k.h: Likewise.
801 * config/m88k/dgux.h: Likewise.
802 * config/m88k/m88k.h: Likewise.
803 * config/mcore/mcore-pe.h: Likewise.
804 * config/mips/mips.h: Likewise.
805 * config/pa/pa.h: Likewise.
806 * config/pa/pa-linux.h: Likewise.
807 * config/romp/romp.h: Likewise.
808 * config/rs6000/sysv4.h: Likewise.
809 * config/rs6000/xcoff.h: Likewise.
810 * config/s390/linux.h: Likewise.
811 * config/sparc/sparc.h: Likewise.
812 * config/sparc/sysv4.h: Likewise.
813 * config/stormy16/stormy16.h: Likewise.
814 * config/v850/v850.h: Likewise.
815 * config/vax/vms.h: Likewise.
816 * config/arm/arm.c (arm_elf_asm_named_section): Output SECTION_MERGE
817 and SECTION_STRINGS flags plus SECTION_ENTSIZE entity size.
818 * config/sparc/sparc.c (sparc_elf_asm_named_section): Use
819 default_elf_asm_named_section for SHF_MERGE sections.
821 Tue Sep 11 17:55:54 CEST 2001 Jan Hubicka <jh@suse.cz>
823 * bb-reorder.c (fixup_reorder_chain): Fallthru edge to exit block
826 2001-09-11 Joseph S. Myers <jsm28@cam.ac.uk>
828 * c-common.c (split_specs_attrs): Allow for empty attributes with
829 empty TREE_PURPOSE. Fixes PR c/4294.
831 Tue Sep 11 11:37:52 CEST 2001 Jan Hubicka <jh@suse.cz>
833 * basic-block.h (cached_make_edge, make_single_succ): New.
834 (make_edge): Remove first parameter.
835 * bb-reroder.c (fixup_reorder_chain): Use make_single_succ_edge.
836 * cfg.c (cached_make_edge): Rename from make_edge; return newly
837 created edge; use obstack allocation.
838 (make_edge, make_single_succ_edge): New.
839 (first_removed_edge): New static variable.
840 (init_flow): Initialize first_removed_edge and n_edges.
841 (clear_edges): Use remove_edge.
842 (flow_delete_block): Likewise.
843 (remove_edge): Add removed edges to the removed edges list.
844 (split_block, redirect_edge_and_branch_force, split_edge):
846 * cfganal.c (flow_call_edges_add): Updaet make_edge call.
847 (add_noreturn_fake_exit_edges): Likewise.
848 (connect_infinite_loops_to_exit): Liekwise.
849 * cfgbuild.c (make_label_edge, make_edges, find_sub_basic_blocks):
850 Use cached_make_edge.
851 * cfgcleanup.c (try_crossjump_to_edge): Use make_single_succ_edge.
852 * profile.c (branch_prob): Update make_edge call.
853 * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
855 2001-09-11 Richard Henderson <rth@redhat.com>
857 * config/alpha/alpha.c: Tidy formatting.
858 (local_symbolic_operand): Verify mode.
859 (alpha_sa_mask): Ignore unicos for eh_return.
860 (alpha_expand_epilogue): Handle sp_adj2 zero, not NULL.
861 * config/alpha/alpha.md (umk divsi patterns): Remove.
862 (extendsfdf2): Remove unicos check.
863 (tablejump): Merge vms and unicos code; always use direct set
866 2001-09-11 Roman Lechtchinsky <rl@cs.tu-berlin.de>
868 * config.gcc (alpha*-*-unicosmk*): New target.
870 * config/alpha/alpha-protos.h (symbolic_operand,
871 unicosmk_add_call_info_word, unicosmk_add_extern,
872 unicosmk_defer_case_vector, unicosmk_unique_section,
873 unicosmk_output_align, unicosmk_text_section, unicosmk_data_section,
874 unicosmk_asm_file_start, unicosmk_asm_file_end,
875 unicosmk_output_common): Declare.
877 * config/alpha/alpha.c (NUM_ARGS, override_options, call_operand,
878 direct_return, function_arg, alpha_va_start, alpha_va_arg,
879 alpha_does_function_need_gp, alpha_end_function): Support Cray
881 (alpha_init_machine_status, alpha_mark_machine_status,
882 alpha_free_machine_status, unicosmk_output_deferred_case_vectors,
883 unicosmk_gen_dsib, unicosmk_output_ssib, unicosmk_need_dex,
884 unicosmk_asm_named_section, unicosmk_insert_attributes,
885 unicosmk_section_type_flags, symbolic_operand,
886 unicosmk_output_module_name, unicosmk_output_default_externs,
887 unicosmk_output_dex, unicosmk_output_externs,
888 unicosmk_output_addr_vec, unicosmk_ssib_name,
889 unicosmk_initial_elimination_offset, unicosmk_asm_file_start,
890 unicosmk_asm_file_end, unicosmk_output_common,
891 unicosmk_section_type_flags, unicosmk_unique_section,
892 unicosmk_add_call_info_word, unicosmk_text_section,
893 unicosmk_data_section, unicosmk_extern_list, unicosmk_extern_head,
894 unicosmk_add_extern, unicosmk_dex, unicosmk_dex_list,
895 unicosmk_dex_count, unicosmk_special_name): New.
896 (TARGET_INSERT_ATTRIBUTES, TARGET_SECTION_TYPE_FLAGS): Define for
898 (get_aligned_mem, alpha_expand_unaligned_load,
899 alpha_expand_unaligned_store, alpha_expand_unaligned_load_words,
900 alpha_expand_unaligned_store_words): Support big-endian mode.
901 (print_operand): Likewise. New format specifier 't'. Use
902 TARGET_AS_SLASH_BEFORE_SUFFIX.
903 (alpha_is_stack_procedure): Rename from vms_is_stack_procedure.
904 (alpha_pv_save_size): Update with above change.
905 (alpha_sa_mask, alpha_sa_size, alpha_expand_prologue,
906 alpha_start_function, alpha_expand_epilogue): Likewise. Support Cray
909 * config/alpha/alpha.h (TARGET_ABI_UNICOSMK): New.
910 (TARGET_ABI_OSF): Exclude TARGET_ABI_UNICOSMK.
911 (TARGET_AS_SLASH_BEFORE_SUFFIX): New.
912 (EXTRA_CONSTRAINT): New constraint 'U'.
913 (PREDICATE_CODES): Add symbolic_operand.
915 * config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM,
916 UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): New constants.
917 (mulsi3, *mulsi_se, mulvsi3): Disable for TARGET_ABI_UNICOSMK.
918 (integer division and modulus patterns): Split in default and
920 (*divmodsi_internal, *divmoddi_internal): Disable for
922 (unaligned_extend?idi, unaligned_load?i, unaligned_store?i): Split in
923 little-endian and big-endian versions.
924 (ext, ins, msk): Likewise.
925 (extv, extzv, insv): Support big-endian mode.
926 (call, call_value, tablejump): Support TARGET_ABI_UNICOSMK.
927 (call_umk, call_value_umk, *call_umk, tablejump_umk,
928 *tablejump_umk_internal, *call_value_umk): New.
929 (*movdi_nofix): Add pattern for loading an address into a register on
931 (umk_laum, umk_lal, umk_lalm, *umk_load_ciw): New.
932 (umk_mismatch_args, arg_home_umk): New.
933 (various insns): Don't use mov, fmov, nop, fnop and unop.
934 (realign): Support TARGET_ABI_UNICOSMK.
936 * config/alpha/unicosmk.h: New file.
937 * config/alpha/t-unicosmk: New file.
939 * fixinc/inclhack.def (unicosmk_restrict): New.
940 * fixinc/fixincl.x: Regenerate.
942 * ginclude/stddef.h (size_t): Check for and define __SIZE_T__.
943 (wchar_t): Check for and define __WCHAR_T__.
945 2001-09-11 Richard Sandiford <rsandifo@redhat.com>
947 * combine.c (simplify_shift_const): Treat shifts by the mode
950 2001-09-11 Neil Booth <neil@daikokuya.demon.co.uk>
952 * cpphash.h (struct tokenrun): New.
953 (struct cpp_context): New member bol.
954 (struct cpp_reader): New members.
955 (_cpp_init_tokenrun): New.
956 * cppinit.c (cpp_create_reader): Set up the token runs.
957 * cpplex.c (lex_directive, lex_token, next_tokenrun): New.
958 (lex_token): New internalised version of _cpp_lex_token. Don't
959 handle directives or the multiple include opimisation here any
960 more. Simply lex a token.
961 * cpplib.c (run_directive): Clear bol.
962 (_cpp_pop_buffer): Set bol.
963 * cppmacro.c (funlike_invocation_p): Keep tokens whilst parsing
966 2001-09-11 Michael Meissner <meissner@redhat.com>
968 * config/mips/mips.h (CC1_SPEC): If -mgp32 default to -mfp32, and
969 give an error if the user uses -mfp32.
970 (CPP_FPR_SPEC): Define __mips_fpr to be 32 or 64 depending on the
972 (CPP_SPEC): Define __mips_fpr to be 32 or 64, depending on the
973 floating point register size.
974 (EXTRA_SPECS): Add CPP_FPR_SPEC.
976 * config/mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Use
977 HOST_WIDE_INT_PRINT_DEC to properly print the result of
979 * config/mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
980 * config/mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Ditto.
982 2001-09-11 Hans-Peter Nilsson <hp@axis.com>
984 * dbxout.c (dbxout_parms): Fix typo in comment.
985 * unroll.c (loop_find_equiv_value): Ditto.
986 * toplev.c (rest_of_compilation): Ditto.
987 * loop.c (scan_loop): Ditto.
988 * dwarf2out.c (struct dw_fde_struct): Ditto.
990 2001-09-10 Zack Weinberg <zackw@panix.com>
992 * cpplex.c (parse_identifier): Fast-path optimize. Avoid
993 copying identifier when we're just going to throw it away.
994 (parse_identifier_slow): New routine to handle abnormal cases.
995 (_cpp_lex_token): Update call site.
997 * hashtable.c (ht_lookup): Don't assume that the string we've
998 been given is NUL-terminated.
999 * system.h: #define __builtin_expect(a, b) to (a) if not
1002 2001-09-10 Michael Meissner <meissner@redhat.com>
1004 * config.gcc (sparc64-*-solaris2): Add alias to be compatible with
1007 2001-09-10 David Edelsohn <edelsohn@gnu.org>
1009 * config/rs6000/t-aix43 (SHLIB_INSTALL): Use mode 751 (a+x,r-o).
1011 Mon Sep 10 16:26:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1013 * builtins.c (c_getstr): Correct thinko in last change and further
1016 2001-09-10 Tim Freeman <tim@fungibole.com>
1018 * dwarf2out.c (incomplete_types, decl_scope_table): Make them
1019 into varray's and register them as roots with the garbage
1020 collector so they are not collected too soon.
1022 Mon Sep 10 14:21:26 CEST 2001 Jan Hubicka <jh@suse.cz>
1024 * Makefile.in (cfg.o, cfganal.o, cfgloop.o, cfgbuild.o, cfgcleanup.o):
1026 * basic-block.h (flow_obstack, label_value_list,
1027 tail_recursion_label_list): Declare
1028 (tidy_fallthru_edges): Declare.
1029 (expunge_block, last_loop_beg_note): Delete.
1030 (can_fallthru, flow_nodes_print, flow_edge_list_print): Declare.
1032 (basic_block_for_insn, label_value_list): Move from flow.c; make global.
1033 (n_basic_blocks, n_edges, basic_block_info, entry_exit_blocks,
1034 init_flow, clear_edges, can_delete_note_p, can_delete_label_p,
1035 flow_delete_insn, flow_delete_insn_chain, create_basic_block,
1036 expunge_block, flow_delete_block, compute_bb_for_insn,
1037 update_bb_for_insn, set_block_for_insn, set_block_for_new_insns,
1038 make_edge, remove_edge, redirect_edge_succ, redirect_edge_succ_nodup,
1039 redirect_edge_pred, split_block, marge_blocks_nomove, block_label,
1040 try_redirect_by_replacing_jump, last_loop_beg_note,
1041 redirect_edge_and_branch, redirect_edge_and_branch_force,
1042 tidy_fallthru_edge, tidy_fallthru_edges, back_edge_of_syntactic_loop_p,
1043 split_edge, insert_insn_on_edge, commit_one_edge_insertion,
1044 commit_edge_insertions, dump_flow_info, debug_flow_info,
1045 dump_edge_info, dump_bb, debug_bb, debug_bb_n, print_rtl_with_bb,
1046 verify_flow_info, purge_dead_edges, purge_all_dead_edges):
1047 Move here from flow.c
1048 * cfganal.c: New file.
1049 (forwarder_block_p, can_fallthru, mark_critical_edges,
1050 mark_dfs_back_edges, need_fake_edge_p, flow_call_edges_add,
1051 find_unreachable_blocks, create_edge_list, free_edge_list,
1052 print_edge_list, verify_edge_list, find_edge_index, flow_nodes_print,
1053 flow_edge_list_print, remove_fake_successors, remove_fake_edges,
1054 add_noreturn_fake_exit_edges, connect_infinite_loops_to_exit,
1055 flow_reverse_top_sort_order_compute, flow_depth_first_order_compute,
1056 flow_dfs_compute_reverse_init, flow_dfs-compute_reverse_add_bb,
1057 flow_dfs-compute_reverse_execute, flow_dfs_compute_reverse_finish);
1058 Move here from flow.c
1059 * cfgbuild.c: New file
1060 (count_basic_blocks, find_label_refs, make_label_edge, make_eh_edge,
1061 make_edges, find_basic_blocks_1, find_basic_blocks,
1062 find_sub_basic_blocks): Move here from flow.c
1063 * cfgcleanup.c: New file.
1064 (try_simplify_condjump, try_forward_edges, tail_recursion_label_p,
1065 merge_blocks_move_predecessor_nojumps,
1066 merge_blocks_move_successor_nojumps, merge_blocks,
1067 flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
1068 try_crossjump_bb, try_optimize_cfg): Move here from flow.c
1069 (delete_unreachable_blocks, cleanup_cfg): Likewise; return true
1071 * cfgloop.c: New file
1072 (flow_loops_cfg_dump, flow_loop_nested_p, flow_loop_dump,
1073 flow_loops_dump, flow_loops_free, flow_loop_entry_edges_find,
1074 flow_loop_exit_edges_find, flow_loop_nodes_find,
1075 flow_loop_pre_header_scan, flow_loop_pre_header_find,
1076 flow_loop_tree_node_add, flow_loops_tree_build,
1077 flow_loop_level_compute, flow_loops_level_compute, flow_loop_scan,
1078 flow_loops_find, flow_loops_update, flow_loop_outside_edge_p):
1079 Move here from flow.c
1080 * flow.c: Remove everything moved elsewhere
1081 * output.h (cleanup_cfg): Return bool.
1083 * bb-reorder.c (reorder_block_def): Remove 'index'.
1084 (insert_intra_1): Add argument BB, set block for new note.
1085 (make_reorder_chain): Do not depdent on BB indexes.
1086 (make_reorder_chain_1): Do not use BB indexes.
1087 (label_for_bb): Likewise; set BB for new insn.
1088 (emit_jump_to_block_after): Likewise.
1089 (fixup_reoder_chain): Sanity check that all basic blocks
1090 are chained; verify newly created insn chain; remove
1091 undocnitional jump simplifying; Do not use BB indexes;
1092 properly initialize count and frequency information;
1093 dump reordered sequence.
1094 (insert_intra_bb_scope_notes): update call of insert_intra_1.
1095 (insert_inter_bb_scope_notes): Set block for new insn.
1096 (reorder_basic_blocks): Dump flow info before reoredering.
1098 Mon Sep 10 06:47:35 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1100 * alias.c (clear_reg_alias_info): Use K&R format definition.
1101 Avoid unsigned warning.
1102 * builtins.c: Use "unsigned int", not "unsigned".
1103 (target_char_cast): Use host_integerp and tree_low_cst.
1104 (expand_builtin_args_info, expand_builtin_frame_address): Likewise.
1105 (c_strlen): Likewise; OFFSET now HOST_WIDE_INT.
1106 (c_getstr): Likewise.
1107 (std_expand_builtin_va_arg): Use int_size_in_bytes.
1108 (builtin_memcpy_read_str): Avoid unsigned warning.
1109 (expand_builtin_memcpy): Alignments are unsigned.
1110 (expand_builtin_strncpy, expand_builtin_memset): Likewise.
1111 (expand_builtin_expect_jump): Use integer_zerop and integer_onep.
1112 * predict.c (expensive_function_p): LIMIT now unsigned.
1113 * resource.c (mark_target_live_regs): Make some vars unsigned.
1114 * sdbout.c: Use "unsigned int", not "unsigned".
1115 (MAKE_LINE_SAFE): Add cast to avoid unsigned warning.
1116 (sdbout_source_line): Likewise.
1117 (sdbout_record_type_name): Remove "const" for NAME declaration.
1118 * config/alpha/alpha.c (alpha_expand_block_move): Whitespace fixes.
1120 2001-09-10 Richard Sandiford <rsandifo@redhat.com>
1122 * calls.c (store_one_arg): Expand comment.
1124 2001-09-10 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1126 * calls.c (store_one_arg): Make sure that the entire argument is
1127 pushed if STACK_PARMS_IN_REG_PARM_AREA is defined.
1129 2001-09-09 Richard Henderson <rth@redhat.com>
1131 * emit-rtl.c (adjust_address): Fix mode for LO_SUM.
1133 Sun Sep 9 10:43:17 CEST 2001 Jan Hubicka <jh@suse.cz>
1135 * loop.c (combine_givs): Fix computing of benefit once giv is combined.
1137 2001-09-09 Richard Henderson <rth@redhat.com>
1139 * config/alpha/alpha.c (alpha_next_sequence_number): New.
1140 (alpha_this_literal_sequence_number): New.
1141 (alpha_this_gpdisp_sequence_number): New.
1142 (some_operand, input_operand): Add HIGH.
1143 (local_symbolic_operand): New.
1144 (alpha_encode_section_info): New.
1145 (alpha_legitimate_address_p): Allow LO_SUM.
1146 (alpha_legitimize_address): Generate HIGH+LO_SUM.
1147 (alpha_expand_mov): Likewise.
1148 (secondary_reload_class): Check memory_operand not general_operand
1150 (alpha_expand_unaligned_load): Force LO_SUM addresses into a register.
1151 (alpha_expand_unaligned_store): Likewise.
1152 (alpha_expand_unaligned_load_words): Likewise.
1153 (alpha_expand_unaligned_store_words): Likewise.
1154 (alpha_expand_block_clear): Likewise.
1155 (print_operand): Handle %#, %*, %H.
1156 (print_operand_address): Handle LO_SUM.
1158 (alpha_does_function_need_gp): Use it.
1159 (alpha_expand_block_move): Fix signed compare warnings.
1160 (alpha_sa_mask, alpha_align_insns): Likewise.
1161 * config/alpha/alpha-protos.h: Update.
1162 * config/alpha/alpha.h (TARGET_EXPLICIT_RELOCS): New.
1163 (MASK_EXPLICIT_RELOCS): New.
1164 (TARGET_SWITCHES): Add -mexplicit-relocs.
1165 (EXTRA_CONSTRAINT): Add 'T'.
1166 (PREFERRED_RELOAD_CLASS): HIGH goes in GENERAL_REGS.
1167 (ASM_APP_ON, ASM_APP_OFF): Turn on and off asm macro expansion.
1168 (ENCODE_SECTION_INFO): Out line.
1169 (REDO_SECTION_INFO_P): New.
1170 (STRIP_NAME_ENCODING): New.
1171 (ASM_OUTPUT_LABELREF): New.
1172 (PRINT_OPERAND_PUNCT_VALID_P): Add #, *.
1173 (PREDICATE_CODES): Update.
1174 * config/alpha/alpha.md (divmodsi_internal_er, divmoddi_internal_er,
1175 call_osf_1_er_noreturn, call_osf_1_er, movdi_er_low, movdi_er_nofix,
1176 movdi_er_fix, prologue_ldgp_1_er, builtin_setjmp_receiver_sub_label_er,
1177 builtin_setjmp_receiver_er, exception_receiver_1_er,
1178 call_value_osf_1_er): New patterns.
1179 (sibcall_osf_1, sibcall_value_osf_1): Remove register alternative.
1180 (movqi, movhi, movsi): Add explicit $31 base register to lda.
1181 * config/alpha/elf.h (ASM_FILE_START): Set nomacro if explicit relocs.
1182 (FINAL_PRESCAN_INSN): New.
1184 Sat Sep 8 22:00:55 CEST 2001 Jan Hubicka <jh@suse.cz>
1186 * reg-stack.c (subst_stack_regs_pat): Fix fcmov reversal code.
1188 2001-09-08 Andreas Jaeger <aj@suse.de>
1190 * i386.h (TARGET_SWITCHES): Fix description.
1192 2001-09-07 David Edelsohn <edelsohn@gnu.org>
1194 * rs6000.c (num_insns_constant): Compute number of instructions
1197 * doc/install.texi: Explain AIX exception handling work-around.
1198 Update URL for AIX fixes.
1200 2001-09-07 Jim Wilson <wilson@redhat.com>
1202 * alias.c (clear_reg_alias_info): New.
1203 * flow.c (attempt_auto_inc): Call clear_reg_alias_info.
1204 * rtl.h (clear_reg_alias_info): Declare.
1206 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1208 * real.c (EMUSHORT,EMUSHORT_SIZE): Use HImode if no 16-bit type is
1210 (UEMUSHORT): New. Use instead of unsigned EMUSHORT.
1211 (m16m,edivm,emulm): Change declaration to match definition.
1213 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1215 * reload.c (push_reload): Check for subreg_lowpart_p instead of
1216 SUBREG_BYTE being 0 when determining if the inner part of a subreg
1219 2001-09-07 Roman Lechtchinsky <rl@cs.tu-berlin.de>
1221 * c-common.c (signed_or_unsigned_type): Handle machine mode types
1222 which have no corresponding C type.
1223 * fold_const.c (target_isinf,target_isnan,target_negative): Update
1224 the representation of 64-bit doubles to work with 64-bit ints.
1226 2001-09-07 Aldy Hernandez <aldyh@redhat.com>
1228 * config/mips/mips.c (override_options): Do not override ISA when ABI
1229 specified if MIPS_CPU_STRING_DEFAULT was specified.
1231 2001-09-07 Richard Henderson <rth@redhat.com>
1233 * loop.c (record_giv): Avoid simplifying MULT to ASHIFT.
1234 (express_from_1): Wrap lines.
1235 * rtlanal.c (commutative_operand_precedence): Rename from
1236 operand_preference; export.
1237 * rtl.h: Declare it.
1238 * simplify-rtx.c (simplify_gen_binary): Tidy +/- const_int handling.
1239 (simplify_binary_operation): Invoke simplify_plus_minus on
1240 (CONST (PLUS ...)) as well.
1241 (struct simplify_plus_minus_op_data): New.
1242 (simplify_plus_minus_op_data_cmp): New.
1243 (simplify_plus_minus): Use them. Avoid infinite recursion with
1244 simplify_binary_operation wrt CONST.
1246 Fri Sep 7 11:52:30 2001 Kazu Hirata <kazu@hxi.com>
1248 * h8300-protos.h (general_operand_dst_push): Remove.
1249 * h8300.c (general_operand_dst_push): Likewise.
1250 * h8300.h (OK_FOR_T): Likewise.
1251 (EXTRA_CONSTRAINTS): Do not use OK_FOR_T.
1252 * h8300.md (pushqi_h8300): New.
1253 (pushqi_h8300hs): Likewise.
1255 (pushhi_h8300): Likewise.
1256 (pushhi_h8300hs): Likewise.
1259 Fri Sep 7 12:56:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1261 * genattrtab.c (attr_printf): First arg is unsigned.
1262 Clean up formatting of callers.
1264 2001-09-06 Aldy Hernandez <aldyh@redhat.com>
1266 * config/mips/mips.c (override_options): Allow abi32 with 64 bit
1269 2001-09-07 Andreas Jaeger <aj@suse.de>
1271 * i386.h (TARGET_SWITCHES): Fix descriptions.
1273 2001-09-07 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1275 * stor-layout.c (compute_record_mode): Check DECL_SIZE is set.
1277 2001-09-06 Ira Ruben <ira@apple.com>
1279 Remove OP_IDENTIFIER.
1280 * tree.def (OP_IDENTIFIER): Remove.
1281 * tree.c (tree_node_kind enum): Remove op_id_kind.
1282 (tree_node_kind_names): Remove "op_identifiers".
1283 (make_node): Remove OP_IDENTIFIER test.
1284 (build_op_identifier): Removed because it isn't being used.
1285 * print-tree.c (print_node): Remove OP_IDENTIFIER case.
1286 * cp/pt.c (tsubst): Remove OP_IDENTIFIER case.
1288 2001-09-06 Richard Henderson <rth@redhat.com>
1290 * simplify-rtx.c (simplify_binary_operation): Revert last change.
1292 2001-09-06 Richard Henderson <rth@redhat.com>
1294 * simplify-rtx.c (simplify_binary_operation): Simplify contents
1297 2001-09-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1299 * config/rs6000/rs6000.c (rs6000_emit_prologue): Fix DWARF2 register
1300 number used for CR register.
1302 Thu Sep 6 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1303 Joern Rennecke (amylaar@cygnus.com)
1305 * h8300-protos.h (h8300_return_addr_rtx): New prototype.
1306 * h8300.c (initial_offset): Handle offset between RP and FP.
1307 (h8300_return_addr_rtx): New function.
1308 * h8300.h (FIRST_PSEUDO_REGISTER): Bump now that we have a
1310 (FIXED_REGISTERS, CALL_USED_REGISTERS): Corresponding changes.
1311 (REG_ALLOC_ORDER, RETURN_ADDRESS_POINTER_REGNUM): Likewise.
1312 (REG_CLASS_CONTENTS, ELIMINABLE_REGS): Likewise.
1313 (CAN_ELIMINATE, REGISTER_NAMES):
1314 (RETURN_ADDR_RTX): Call h8300_return_addr_rtx.
1316 2001-09-06 Nathan Sidwell <nathan@codesourcery.com>
1318 Remove TYPE_NONCOPIED_PARTS.
1319 * tree.h (TYPE_NONCOPIED_PARTS): Remove.
1320 (struct tree_type): Remove noncopied_parts.
1321 * c-tree.h (TYPE_ACTUAL_ARG_TYPES): Map onto TYPE_BINFO.
1322 * expr.c (save_noncopied_parts, init_noncopied_parts): Remove.
1323 (fixed_type_p): Remove.
1324 (expand_expr, INIT_EXPR): Don't deal with noncopied parts.
1325 (expand_expr, MODIFY_EXPR): Likewise.
1326 * ggc-common.c (ggc_mark_trees): Remove TYPE_NONCOPIED_PARTS.
1327 * doc/c-tree.texi: Remove TYPE_NONCOPIED_PARTS FIXME.
1329 2001-09-06 Alan Modra <amodra@bigpond.net.au>
1331 * config/rs6000/rs6000.c (mask_operand): Use signed vars to avoid
1333 (mask64_operand): Likewise.
1334 (includes_rldic_lshift_p): Likewise.
1335 (includes_rldicr_lshift_p): Likewise.
1337 2001-09-05 Ziemowit Laski <zlaski@apple.com>
1339 * objc/objc-act.c (build_message_expr): If a class method cannot
1340 be found, do not issue a warning if a corresponding instance
1341 method exists in the root class.
1343 2001-09-05 Richard Henderson <rth@redhat.com>
1345 * config/alpha/alpha.c (alpha_expand_mov): Initialize temp.
1347 2001-09-05 Zack Weinberg <zack@codesourcery.com>
1349 * function.c (ggc_mark_struct_function): Mark f->outer.
1350 * toplev.c (rest_of_compilation): Clear DECL_SAVED_INSNS here...
1351 * integrate.c (output_inline_function): ... not here.
1353 Wed Sep 5 17:28:49 CEST 2001 Jan Hubicka <jh@suse.cz>
1355 * profile.c (branch_prob): Call add_noreturn_fake_exit_edges.
1357 * i386.c (size_cost): New static variable.
1358 (override_function): Use size_cost when -Os is specified.
1360 * i386.c (ix86_expand_prologue): Set use_fast_prologue_epilogue
1361 properly; Use current_function_calls_eh_return.
1362 (ix86_expand_epilogue): Avoid dummy optimize_size tests;
1363 use leave to avoid depdendancy chain.
1365 * local-alloc.c (update_equiv_regs): Use CFG to iterate over INSN stream;
1366 get BB loop_depth instead of computing it from LOOP notes.
1368 * reg-stack.c (subst_stack_reg_pat): Handle reversal of conditional moves.
1370 2001-09-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1372 * som.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1373 * pa.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1374 UNALIGNED_DOUBLE_INT_ASM_OP): Define
1376 2001-09-05 Jeffrey A Law (law@cygnus.com)
1377 Jason Merrill (jason@redhat.com)
1379 * stor-layout.c (layout_type): Complain if an array's size can
1380 not be represented in a size_t.
1382 * config/h8300/elf.h (ENDFILE_SPEC, STARTFILE_SPEC): Define.
1384 2001-09-05 David Billinghurst <David.Billinghurst@riotinto.com>
1386 * gcc.c: (process_command) Add parentheses around assignment
1387 used as truth value.
1389 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1391 * config/mips/mips.c (save_restore_insns): Don't mark any register
1392 save slots as unchanging if current_function_calls_eh_return.
1394 2001-09-05 Richard Henderson <rth@redhat.com>
1396 * config/alpha/alpha.c (alpha_legitimate_address_p): New.
1397 * config/alpha/alpha-protos.h: Declare it.
1398 * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Move to c file.
1399 (NONSTRICT_REG_OK_FOR_BASE_P): Rename from non-strict macro.
1400 (NONSTRICT_REG_OK_FP_BASE_P): Likewise.
1401 (STRICT_REG_OK_FOR_BASE_P): Rename from strict macro.
1402 (REG_OK_FOR_BASE_P): Select one of the above.
1404 2001-09-05 Richard Sandiford <rsandifo@redhat.com>
1406 * config/mips/t-elf (EXTRA_PARTS): Use EXTRA_MULTILIB_PARTS instead.
1407 (crti.o): Prefix name of object file with $(T).
1410 2001-09-05 David S. Miller <davem@redhat.com>
1412 * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
1413 * config/sparc/linux64.h: Likewise.
1415 2001-09-05 Andreas Jaeger <aj@suse.de>
1417 * doc/invoke.texi (i386 Options): -mwide-multiply is not
1418 available anymore, remove the documentation.
1419 (i386 Options): Fix typo, cleanup index entries.
1421 * prefix.c (concat): Remove, we can use the version from liberty.
1423 2001-09-05 Richard Henderson <rth@redhat.com>
1425 * config/alpha/alpha.c (alpha_expand_mov, alpha_expand_mov_nobwx):
1426 New functions split out of md file expanders.
1427 * config/alpha/alpha-protos.h: Declare them.
1428 * config/alpha/alpha.md (movqi, movhi, movsi, movdi): Use them.
1430 2001-09-05 Neil Booth <neil@daikokuya.demon.co.uk>
1432 * cppmacro.c (funlike_invocation_p): No need to restore context.
1434 2001-09-04 Richard Henderson <rth@redhat.com>
1436 * reload.c (push_reload): Export.
1437 * reload.h (push_reload): Declare it.
1439 * config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Move out o' line.
1440 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1441 * config/alpha/alpha.c (alpha_legitimize_address): New.
1442 (alpha_legitimize_reload_address): Likewise.
1443 * config/alpha/alpha-protos.h: Declare them.
1445 2001-09-04 Stan Shebs <shebs@apple.com>
1447 * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Define.
1448 * config/darwin.c (machopic_stub_name): Account for internally
1449 generated lib calls such as memcpy.
1451 2001-09-04 Richard Henderson <rth@redhat.com>
1453 * unwind.h (_UA_END_OF_STACK): New flag.
1454 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Set it.
1456 Tue Sep 4 11:16:35 2001 Jeffrey A Law (law@cygnus.com)
1458 * h8300/elf.h (LINK_SPEC): Redefine appropriately for the H8.
1460 2001-09-04 Richard Sandiford <rsandifo@redhat.com>
1462 * config/mips/mips.c (save_restore_insns): Change base_offset to
1463 fp_offset in second call to mips_emit_frame_related_store.
1465 2001-09-04 Hans-Peter Nilsson <hp@axis.com>
1467 * doc/rtl.texi: Mention that besides as a CODE_LABEL, a label can
1468 sometimes be represented as a NOTE of type
1469 NOTE_INSN_DELETED_LABEL.
1470 (Insns): Document NOTE_INSN_DELETED_LABEL.
1472 2001-09-04 Nathan Sidwell <nathan@codesourcery.com>
1474 * c-common.h (tree_dump_index): Add more comments.
1475 * c-dump.c (dump_files): Name flags `tree' rather than `ast'.
1476 (dump_option_value_info): New struct.
1477 (dump_options): New array.
1478 (dump_switch_p): Parse switch options symbolically.
1479 * doc/invoke.texi (-fdump-ast): Rename to ...
1480 (-fdump-tree): ... here. Document that options are symbolic, and
1481 not all are applicable.
1483 2001-09-04 David S. Miller <davem@redhat.com>
1485 * config/sparc/sparc.md (define_splits): Kill constraints.
1487 Cleanup redundant and unused insn attributes.
1488 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
1489 binary, and move. Mark ialu as default.
1490 (commented out define_function_unit "alu"): Kill.
1491 (define_attr "use_clobbered"): Kill.
1492 (whole file): Kill address insn type references. Replace
1493 all unary/binary/move references with ialu.
1494 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
1495 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
1498 Simplify length insn attribute and make more judicious use
1499 of insn attribute defaulting.
1500 * config/sparc/sparc.md (all insns with length > one): Mark as
1501 insn type multi if real instructions, else use default if
1502 it is a forced splitter.
1503 (all insns with length == one): Use default insn length.
1504 (all insns of type ialu): Use default insn type.
1506 Fix erroneous insn attribute settings.
1507 (addx): Set insn type to misc.
1508 (mulsidi3_sp64, const_mulsidi3_sp64, umulsidi3_sp64,
1509 const_umulsidi3_sp64): Set insn type to imul.
1511 Track SFmode vs DFmode insns according to UltraSPARC
1513 * config/sparc/sparc.md ("fptype"): New attribute, default
1515 (all DFmode single insns): Mark as fptype "double".
1517 2001-09-03 Jakub Jelinek <jakub@redhat.com>
1519 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
1521 2001-09-03 Richard Henderson <rth@redhat.com>
1523 * function.h (struct function): Add arg_pointer_save_area_init.
1524 * function.c (expand_function_end): Init arg_pointer_save_area.
1525 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
1526 when called from a nested function.
1528 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
1530 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
1533 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1535 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
1537 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
1539 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
1540 (emit_push_insn): Use specified padding direction when
1541 STACK_PUSH_CODE is POST_INC.
1543 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
1545 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1547 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
1549 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
1551 * cppinit.c (cpp_start_read): Free the imacros list as we
1552 traverse it. Don't free the chains before returning.
1553 (_cpp_push_next_buffer): Only try pushing buffers if we've
1554 completed -imacros handling.
1556 2001-08-31 Eric Christopher <echristo@redhat.com>
1558 * gcc.c (handle_braces): Add explaination for abort.
1560 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
1562 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
1563 move adjustment of bitpos instead.
1565 2001-08-31 Zack Weinberg <zack@codesourcery.com>
1567 * function.c: Remove all_functions. Make outer_function_chain
1569 (init_function_start): Don't add new function structure to
1571 (find_function_data, push_function_context_to,
1572 pop_function_context_from, put_var_into_stack,
1573 trampoline_address): Update for changed structure element names.
1574 (push_function_context_to): Disentangle.
1575 (free_after_compilation): Also free F.
1576 (expand_dummy_function_end): Don't free cfun here.
1577 (put_var_into_stack): Comment why we can't use find_function_data here.
1578 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
1579 (mark_function_chain): Split into maybe_mark_struct_function and
1580 ggc_mark_struct_function. Export the latter.
1581 (init_function_once): Mark from cfun and outer_function_chain;
1584 * function.h (struct function): Kill next_global. Rename next
1585 to outer. All users updated to match.
1586 (all_functions, outer_function_chain): Don't declare.
1588 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
1589 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
1590 don't touch f->inlinable, after calling rest_of_compilation.
1592 * tree.h: Forward-declare struct function. Prototype
1593 ggc_mark_struct_function.
1595 2001-08-31 Kazu Hirata <kazu@hxi.com>
1597 * config/h8300/h8300.md (*andorhi3): Fix typos.
1599 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1601 * calls.c (emit_library_call_value): Don't use a fixed
1602 argument after VA_CLOSE, i.e. out of scope in traditional C.
1604 * emit-rtl.c (gen_rtvec): Likewise.
1606 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1608 * Makefile.in (c-pragma.o): Depend on output.h.
1609 (reorg.o): Depend on except.h.
1611 * c-pragma.c: Include output.h.
1613 * reorg.c: Include except.h.
1615 * unwind-dw2.c: Call __builtin_alloca, not alloca.
1617 2001-08-31 Richard Henderson <rth@redhat.com>
1619 * sched-deps.c (add_dependence): Don't elide dependancy if the
1620 conditional used by insn is modified in elem.
1622 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
1624 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
1626 2001-08-31 Diego Novillo <dnovillo@redhat.com>
1628 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
1631 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1633 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
1635 (stormy16_asm_out_constructor): New function.
1636 (TARGET_ASM_CONSTRUCTOR): Define.
1637 (TARGET_ASM_DESTRUCTOR): Define.
1639 2001-08-31 Andreas Jaeger <aj@suse.de>
1641 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
1642 * loop.c (add_label_notes): Likewise.
1643 * reload.c (find_reloads): Likewise.
1644 * config/sh/sh.c (machine_dependent_reorg): Likewise.
1646 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
1648 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
1649 code here. Take _Unwind_{W,Sw}ord*.
1650 (read_encoded_value_with_base): Use them.
1651 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
1653 (extract_cie_info): Simplify read_?leb128 handling.
1654 (execute_stack_op, execute_cfa_program): Likewise.
1655 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
1657 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
1659 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
1660 the frame pointer to pop the stack if convenient.
1662 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
1663 Don't use post-increment before combine.
1664 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
1665 a call-saved register.
1667 2001-08-31 Andreas Jaeger <aj@suse.de>
1669 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
1672 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
1674 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
1675 not DIV/MOD, of course.
1677 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
1679 * rtl.def: Undo my patch commited 2001-08-27.
1681 * genattrtab.c: Ditto.
1685 * sched-int.h: Ditto.
1687 * target-def.h: Ditto.
1691 * haifa-sched.c: Ditto.
1693 * sched-rgn.c: Ditto.
1695 * sched-vis.c: Ditto.
1697 * Makefile.in: Ditto.
1699 * doc/md.texi: Ditto.
1701 * doc/tm.texi: Ditto.
1703 * doc/contrib.texi: Ditto.
1705 * doc/gcc.texi: Ditto.
1707 * genattrtab.h: Remove it.
1709 * genautomata.c: Remove it.
1711 * genattr.c: Undo my patch and Richard Henderson's patch commited
1714 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
1716 * config.gcc (h8300-*-elf*): New case.
1717 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
1718 (SUBTARGET_CPP_SPEC): Define.
1719 (EXTRA_SPECS): Define.
1720 (SUBTARGET_EXTRA_SPECS): Define.
1721 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
1722 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
1724 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
1726 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
1727 (LIB2FUNCS_EXTRA): Define.
1728 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
1729 config/h8300/fixunssfsi.c: New file.
1731 2001-08-30 Kazu Hirata <kazu@hxi.com>
1733 * config/h8300/h8300.md (zero_extendqihi2): Changes to
1734 define_expand to accomodate target-specific attributes.
1735 (anonymous zero_extendqihi2 patterns): New.
1737 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
1739 * h8300.md (*andorhi3): New pattern.
1741 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
1743 * h8300.c (dosize): Fix test for "sub".
1745 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
1747 * c-typeck.c (pointer_diff): Try to eliminate common term before
1750 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
1752 * config/arm/arm.c (arm_compute_initial_elimination_offset):
1753 Account for the saves of the FP registers.
1755 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
1756 (TEXT_SECTION_ASM_OP): Define.
1757 (INIT_SECTION_ASM_OP): Define.
1758 (FINI_SECTION_ASM_OP): Define.
1759 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
1760 (RDATA_SECTION_FUNCITON): Provide prototype.
1762 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
1764 * reload1.c (move2add_note_store): Correct typo checking for
1767 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
1769 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
1770 note should not be considered outside the libcall block.
1772 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1774 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
1776 2001-08-29 Kazu Hirata <kazu@hxi.com>
1778 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
1780 2001-08-29 Kazu Hirata <kazu@hxi.com>
1782 * config/h8300/h8300-protos.h: Add a prototype for
1784 * config/h8300/h8300.c (emit_logical_op): New.
1785 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
1792 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1794 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
1795 comparison with rtx INTVAL.
1796 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
1798 * pa.h (FUNCTION_ARG_SIZE): Likewise.
1800 2001-08-29 Kazu Hirata <kazu@hxi.com>
1802 * config/h8300/lib1funcs.asm: Update the copyright. Fix
1805 2001-08-29 Kazu Hirata <kazu@hxi.com>
1807 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
1808 (reg n) to (mem (pre_dec (reg n))
1809 (anonymous movsi pattern): Likewise.
1811 2001-08-29 Kazu Hirata <kazu@hxi.com>
1813 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
1815 2001-08-29 Kazu Hirata <kazu@hxi.com>
1817 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
1818 several special constants.
1820 2001-08-29 Kazu Hirata <kazu@hxi.com>
1822 * config/h8300/lib1funcs.asm: Fix comment typos.
1824 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1826 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
1827 Fix format specifier warnings.
1829 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
1830 inet_makeaddr, semctl): Prototype.
1832 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
1833 (save_restore_insns): Use base_offset, not gp_offset.
1835 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
1836 (ASM_OUTPUT_BYTE): Fix format specifier warning.
1838 2001-08-29 Richard Henderson <rth@redhat.com>
1840 * bb-reorder.c (function_tail_eff_head): New.
1841 (record_effective_endpoints): Set it.
1842 (fixup_reorder_chain): Use it.
1844 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1846 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
1848 2001-08-28 Dale Johannesen <dalej@apple.com>
1850 * config/darwin.c (machopic_function_base_name): Add const
1851 qualifier to a string.
1852 (darwin_encode_section_info): Ditto.
1854 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1856 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
1857 function definition.
1859 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
1861 * df.h (struct df): Add rts_order variable.
1863 * df.c (df_visit_next_rts): New function.
1864 (df_visit_next): Renamed to df_visit_next_rc
1865 (df_analyse_1): Allocate/compute/free rts_order as well.
1866 (df_rd_global_compute): Use df_visit_next_rc instead of
1868 (df_ru_global_compute): Use df_visit_next_rts instead of
1871 * flow.c (flow_reverse_top_sort_order_compute): New function.
1873 * basic-block.h: Add prototype.
1875 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
1877 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
1878 blocks, the BB_REACHABLE is now set, rather than aux being
1879 non-NULL. Update the test to reflect this.
1881 2001-08-28 Eric Christopher <echristo@redhat.com>
1883 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
1884 config/mips/crti.asm: Ditto.
1886 2001-08-28 Eric Christopher <echristo@redhat.com>
1887 Richard Henderson <rth@redhat.com>
1889 * c-pragma.h (add_weak): Move prototype from here...
1890 * output.h (add_weak): ... to here.
1891 * varasm.c (add_weak): Fix typo.
1892 * config/mips/crti.asm: New file.
1893 * config/mips/crtn.asm: Ditto.
1894 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
1895 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
1896 (INVOKE__main): Ditto.
1897 (INIT_SECTION_ASM_OP): New.
1898 (FINI_SECTION_ASM_OP): Ditto.
1899 (STARTFILE_SPEC): Add crti.
1900 (ENDFILE_SPEC): Add crtn.
1901 * config/mips/elf64.h: Same.
1902 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
1904 * config/mips/vxworks.h: Ditto.
1905 * config/mips/t-elf: Support crti and crtn.
1907 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
1909 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
1912 2001-08-28 Richard Henderson <rth@redhat.com>
1914 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
1915 (one_cmplbi2 splitter): Remove redundant test.
1917 2001-08-28 Dale Johannesen <dalej@apple.com>
1919 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
1921 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
1923 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
1925 2001-08-28 Stan Shebs <shebs@apple.com>
1927 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
1928 (UNALIGNED_SHORT_ASM_OP): Define.
1929 (UNALIGNED_INT_ASM_OP): Define.
1931 2001-08-28 Will Cohen <wcohen@redhat.com>
1933 * config/rs6000/rs6000.md (store_multiple): Correct RTL
1934 generation for first set.
1936 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1938 * flow.c (redirect_edge_succ_nodup): Return new edge.
1939 (try_simplify_condjump): Use new edge.
1940 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
1942 * cse.c (cse_basic_block): Skip note instructions.
1944 2001-08-27 Richard Henderson <rth@redhat.com>
1946 * combine.c (combine_simplify_rtx): Don't reverse condition
1947 if there is no reverse for the condition.
1948 (simplify_comparison): Don't simplify subregs from INT to FP.
1950 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
1951 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
1952 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
1953 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
1954 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
1955 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
1957 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1959 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
1960 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
1962 (adddi_dilshr32, adddi_dishl32): Only data register can be
1963 source for mem destination.
1965 * expmed.c (store_bit_field): Ignore adjustment to bitpos
1966 and use bitnum to decide about register move.
1968 2001-08-27 Richard Henderson <rth@redhat.com>
1970 * genattr.c (main): Emit state_t even when not doing scheduling.
1972 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1973 Richard Henderson <rth@redhat.com>
1975 * gcse.c (reg_first_set, reg_last_set): Replace with ...
1976 (reg_avail_info, current_bb): ... these.
1977 (oprs_unchanged_p, record_last_reg_set_info): Use them.
1978 (compute_hash_table): Likewise.
1980 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
1982 * flow.c (verify_flow_info): Use checksums to verify edges.
1984 2001-08-27 Richard Henderson <rth@redhat.com>
1986 * genautomata.c (expand_automata): Always create a description.
1988 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
1990 * optabs.c (expand_binop): Correctly handle the carry in multiword
1991 add/subtract operations.
1993 2001-08-27 Fred Fish <fnf@be.com>
1995 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
1998 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
2000 * reload.c (find_reloads_toplev): Back out this change:
2002 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2004 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2005 mem if the address is a mode_dependent_address_p.
2007 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
2009 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
2010 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
2011 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
2014 * genattr.c (main): New variable num_insn_reservations. Increase
2015 it if there is DEFINE_INSN_RESERVATION. Output automaton based
2016 pipeline hazard recognizer interface.
2018 * genattrtab.h: New file.
2020 * genattrtab.c: Include genattrtab.h.
2021 (attr_printf, check_attr_test, make_internal_attr,
2022 make_numeric_value): Move protypes into genattrtab.h. Define them
2024 (num_dfa_decls): New global variable.
2025 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
2026 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
2027 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
2028 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
2030 * genautomata.c: New file.
2032 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
2034 * sched-int.h: (curr_state): Add the external definition for
2035 automaton pipeline interface.
2036 (haifa_insn_data): Add comments for members blockage and units.
2038 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2039 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2040 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2041 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2042 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2043 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2044 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
2046 (TARGET_SCHED): Use the new macros.
2048 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
2049 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
2050 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
2051 dfa_bubble): New members in gcc_target.sched.
2053 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
2054 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
2055 (insn_queue): Redefine it as pointer to array.
2056 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
2058 (max_insn_queue_index_macro_value): New variable.
2059 (curr_state, dfa_state_size, ready_try): New varaibles for
2060 automaton interface.
2061 (ready_element, ready_remove, max_issue): New function prototypes
2062 for automaton interface.
2063 (choose_ready): New function prototype.
2064 (insn_unit, blockage_range): Add comments.
2065 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
2066 FUNCTION_UNITS_SIZE == 0.
2067 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
2068 actual_hazard, potential_hazard): Add comments.
2069 (insn_cost): Use cost -1 as undefined value. Remove
2070 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
2072 (ready_element, ready_remove): New functions for automaton
2074 (schedule_insn): Add new code for automaton pipeline interface.
2075 (queue_to_ready): Add new code for automaton pipeline interface.
2076 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
2077 (debug_ready_list): Print newline when the queue is empty.
2078 (max_issue): New function for automaton pipeline interface.
2079 (choose_ready): New function.
2080 (schedule_block): Add new code for automaton pipeline interface.
2081 Print ready list before scheduling each insn.
2082 (sched_init): Add new code for automaton pipeline interface.
2083 Initiate insn cost by -1.
2084 (sched_finish): Free the current automaton state and finalize
2085 automaton pipeline interface.
2087 * sched-rgn.c: Include target.h.
2088 (init_ready_list, new_ready, debug_dependencies): Add new code for
2089 automaton pipeline interface.
2091 * sched-vis.c: Include target.h.
2092 (get_visual_tbl_length): Add code for automaton interface.
2093 (target_units, print_block_visualization): Add comments.
2095 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
2096 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
2097 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
2098 (getruntime.o, genautomata.o): New entries.
2099 (genattrtab.o): Add new dependency file genattrtab.h.
2100 (genattrtab): Add new dependencies. Link it with `libm.a'.
2101 (getruntime.o, hashtab.o): New entries for canadian cross.
2103 * doc/md.texi: Description of automaton based model.
2105 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
2107 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
2108 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
2109 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
2110 TARGET_SCHED_DFA_POST_CYCLE_INSN,
2111 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
2112 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
2113 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
2115 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
2116 MAX_DFA_ISSUE_RATE): New macro descriptions.
2118 * doc/contrib.texi: Add dfa based scheduler contribution.
2120 * doc/gcc.texi: Add more information about genattrtab.
2122 2001-08-27 Diego Novillo <dnovillo@redhat.com>
2124 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
2127 2001-08-27 Richard Henderson <rth@redhat.com>
2129 * function.c (expand_function_end): Don't init arg_pointer_save_area.
2130 (get_arg_pointer_save_area): New. Create an init it here.
2131 (fix_lexical_addr): Use it.
2132 * function.h: Declare it.
2133 * builtins.c (expand_builtin_setjmp_receiver): Use it.
2134 * stmt.c (expand_nl_goto_receiver): Use it.
2136 2001-08-27 Richard Henderson <rth@redhat.com>
2138 * final.c (final_scan_insn): Don't enter APP_ON mode for
2141 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
2142 alignment for assemble_integer for DW_EH_PE_aligned.
2143 * except.c (output_function_exception_table): Likewise.
2145 2001-08-26 Andreas Jaeger <aj@suse.de>
2147 * c-tree.h: Add prototyp for c_sizeof_nowarn.
2149 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
2151 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
2153 2001-08-27 Alan Modra <amodra@bigpond.net.au>
2155 * config/rs6000/rs6000.c (mask_operand): Rewrite without
2157 (mask64_operand): Likewise.
2158 (rldic_operand): Delete.
2159 (includes_lshift64_p): Delete.
2160 (includes_rldic_lshift_p): New function.
2161 (includes_rldicr_lshift_p): New function.
2162 (print_operand): Don't call rldic_operand in case 'W'.
2163 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
2164 (includes_lshift64_p): Remove.
2165 (includes_rldic_lshift_p): Declare.
2166 (includes_rldicr_lshift_p): Declare.
2167 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
2168 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
2169 Replace match_operand rldic_operand predicate with
2170 const_int_operand. Replace includes_lshift64_p condition with
2171 includes_rldic_lshift_p.
2172 <ashldi3_internal 64 bit rldicr patterns>: New.
2174 2001-08-27 Andreas Jaeger <aj@suse.de>
2176 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2177 * errors.c: Likewise.
2178 * final.c: Likewise.
2179 * dwarf2asm.c: Likewise.
2180 * doprint.c (checkit): Likewise.
2181 * diagnostic.c: Likewise.
2182 * collect2.c: Likewise.
2183 * calls.c: Likewise.
2184 * c-semantics.c (build_stmt): Likewise.
2185 * c-format.c (status_warning): Likewise.
2186 * c-errors.c (pedwarn_c99): Likewise.
2187 * builtins.c (validate_arglist): Likewise.
2188 * config/pj/pj.c (pj_printf): Likewise.
2189 * fix-header.c: Likewise.
2191 * gcov.c (fnotice): Likewise.
2192 * gensupport.c (message_with_line): Likewise.
2193 * mips-tfile.c: Likewise.
2194 * protoize.c (notice): Likewise.
2195 * read-rtl.c (fatal_with_file_and_line): Likewise.
2196 * rtl-error.c: Likewise.
2197 * tradcpp.c: Likewise.
2199 * cp/tree.c (build_min_nt): Likewise.
2200 (build_min): Likewise.
2201 * cp/lex.c: Likewise.
2202 * cp/errfn.c: Likewise.
2203 * cp/rtti.c (create_pseudo_type_info): Likewise.
2205 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
2207 * df.c (df_uses_record): Return after recording all uses
2210 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
2212 * df.c (df_insn_modify): Realloc the INSN table here, if
2213 necessary, here, too.
2215 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
2217 * config/mips/mips.c (mips_function_value): Handle complex return
2220 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
2222 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
2224 * reload.c (make_memloc): Copy result if it is still
2225 reg_equiv_memory_loc[regno] on return.
2226 (subst_reloads) [ENABLE_CHECKING]: Check that none of
2227 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
2228 reg_equiv_mem are modified by the substitutions.
2230 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
2232 * predict.c (expensive_function_p): New.
2233 * rtl.h (expensive_function_p): Declare.
2234 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
2235 (use_fast_prologue_epilogue): New static variable.
2236 (expand_prologue): Set it; emit short prologues if unset.
2237 (expand_epilogue): Likewise.
2239 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2241 * config.gcc: Add stormy16-*-elf case.
2242 * config/stormy16/stormy-abi: New file.
2243 * config/stormy16/stormy16-lib2.c: New file.
2244 * config/stormy16/stormy16-protos.h: New file.
2245 * config/stormy16/stormy16.c: New file.
2246 * config/stormy16/stormy16.h: New file.
2247 * config/stormy16/stormy16.md: New file.
2248 * config/stormy16/t-stormy16: New file.
2250 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
2252 * i386.h (no-accumulate-outgoing-args): Use proper mask.
2254 2001-08-24 David Edelsohn <edelsohn@gnu.org>
2256 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
2257 descriptor members are pointer size, not constant 4.
2258 * config/rs6000/rs6000.md (define_splits): Remove more unused
2261 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2263 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
2265 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
2267 * cp/rtti.c (VPARAMS): Fix parameter.
2269 2001-08-24 Zack Weinberg <zackw@panix.com>
2271 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
2273 (mode_for_extraction): No need for #ifdefs. Add default-case abort
2275 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
2276 in if controlling use of insv.
2277 (extract_bit_field): Likewise, for extv and extzv.
2279 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2281 * i386.md (movcc peep2): Fix load of 0.
2283 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2285 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
2286 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
2288 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
2290 * c-pragma.h: Move weak_syms and weak_decls...
2291 * varasm.c: ...here. Now static.
2292 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
2293 depend on HANDLE_PRAGMA_WEAK.
2295 * c-common.c (c_alignof, c_alignof_expr): Move here...
2296 * c-typeck.c: ...from here.
2297 * c-tree.h, c-common.h: Adjust.
2299 2001-08-23 Bernd Schmidt <bernds@redhat.com>
2301 * config/ia64/ia64.c (rws_update): If !pred, set write_count
2302 instead of incrementing it.
2304 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
2305 asm ready, don't try to move them all into the same array element.
2307 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2309 * function.c (thread_prologue_and_epilogue_insns): Avoid
2310 fallthru flag on edge to exit.
2312 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
2314 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
2317 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2319 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
2320 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
2321 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
2324 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
2326 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
2327 replace "GNU CC" with "GCC".
2329 2001-08-23 Richard Henderson <rth@redhat.com>
2331 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
2332 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
2333 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
2334 Need GR between FR and not GR_AND_FR.
2335 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
2336 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
2337 AR regs before GR regs.
2338 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
2339 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
2340 (REGISTER_MOVE_COST): Update.
2341 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
2343 2001-08-23 Richard Henderson <rth@redhat.com>
2345 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
2348 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
2350 * reload1.c (emit_reload_insns): Don't look for notes
2351 on a NULL store_insn.
2353 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2355 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
2356 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
2357 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
2358 format specifier warnings.
2359 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
2361 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
2363 * config/i386/i386-protos.h: Correct declaration of
2364 i386_pe_asm_named_section.
2366 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
2368 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
2370 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2372 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2374 * cpperror.c (print_location): Don't show _Pragma.
2375 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
2376 and file change callback generation here.
2377 (stack_include_file): Update use of cpp_push_buffer.
2378 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
2379 (struct cpp_buffer): Remove type, pfile members.
2380 * cppinit.c (cpp_handle_option): Use free_chain.
2381 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
2382 (skip_escaped_newlines, get_effective_char, lex_percent): Take
2383 a cpp_reader rather than a cpp_buffer.
2384 (skip_escaped_newlines, get_effective_char, skip_block_comment,
2385 skip_line_comment, parse_string, lex_percent, lex_dot,
2386 _cpp_lex_token): Update accordingly.
2387 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
2389 (cpp_push_buffer): Update prototype.
2390 (run_directive): Update use of cpp_push_buffer.
2391 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
2392 handle_assertion): Update use of run_directive.
2393 * cpplib.h (enum cpp_buffer_type): Remove.
2394 (cpp_push_buffer): Update prototype.
2395 * fix-header.c (read_scan_file): Update.
2397 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2399 * gcc.c (struct prefix_list): Change prefix to const char *.
2401 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2403 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
2405 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
2407 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
2410 * jump.c (squeeze_notes): Take parms by reference. Handle END being
2413 * ifcvt.c (dead_or_predicable): Adjust.
2414 * loop.c (find_and_verify_loops): Adjust.
2415 * stmt.c (expand_end_case): Adjust.
2416 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
2417 head and end insn pointers in the basic block, not just local copies.
2418 (merge_blocks_move_predecessor_nojumps): Likewise.
2420 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
2422 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
2423 bitmap.h, builtin-types.def, builtins.c, builtins.def,
2424 c-aux-info.c, c-common.c, c-common.def, c-common.h,
2425 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
2426 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
2427 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
2428 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
2429 conditions.h, config.gcc, configure.frag, configure.in,
2430 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
2431 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
2432 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
2433 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
2434 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
2435 emit-rtl.c, errors.c, errors.h, except.c, except.h,
2436 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
2437 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
2438 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
2439 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
2440 gencheck.c, gencodes.c, genconfig.c, genemit.c,
2441 genextract.c, genflags.c, gengenrtl.c, genmultilib,
2442 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
2443 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
2444 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
2445 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
2446 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
2447 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
2448 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
2449 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
2450 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
2451 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
2452 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
2453 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
2454 params.h, predict.c, predict.def, predict.h, prefix.c,
2455 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
2456 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
2457 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
2458 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
2459 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
2460 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
2461 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
2462 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
2463 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
2464 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
2465 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
2466 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
2467 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
2468 xcoffout.h: replace "GNU CC" with "GCC".
2470 2001-08-21 Richard Henderson <rth@redhat.com>
2472 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
2473 (final_scan_insn): Consider jump tables data even if we have no
2474 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
2476 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
2477 (ASM_OUTPUT_CASE_END): Remove.
2478 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
2479 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
2480 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
2482 2001-08-21 Richard Henderson <rth@redhat.com>
2484 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
2485 at barrier insns. Emit stop bits before barriers.
2487 * flow.c (flow_find_cross_jump): Don't consider unconditional
2488 return insns for commoning.
2490 * final.c (compute_alignments): Fix typo.
2492 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
2493 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
2494 (store_bit_field): Use mode_for_extraction more places.
2495 (extract_bit_field): Likewise.
2497 2001-08-21 Zack Weinberg <zackw@panix.com>
2499 * caller-save.c: Don't include insn-codes.h.
2500 (reg_save_code, reg_restore_code): Make arrays of int.
2501 All uses updated to match.
2502 (insert_save, insert_restore): No need to initialize "code"
2503 variable upon declaration.
2504 * Makefile.in: update dependencies; fix typo in clean rule.
2506 2001-08-21 Richard Henderson <rth@redhat.com>
2508 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
2509 (merge_if_block): Handle fallout from same.
2511 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2513 * builtins.c (type_to_class): Fix typo in last change.
2515 2001-08-21 Richard Henderson <rth@redhat.com>
2517 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
2518 ia64_asm_output_label.
2520 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
2521 copy of gp while the real gp register contains garbage.
2523 2001-08-21 Zack Weinberg <zackw@panix.com>
2525 * expmed.c (mode_for_extraction): New function.
2526 (store_bit_field, extract_bit_field): Use it.
2527 * expr.h: Prototype it and provide an enum for its first argument.
2529 * combine.c, function.c, recog.c: Don't include insn-codes.h.
2530 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
2531 and digging through the insn_data tables.
2532 * Makefile.in: Update dependencies.
2534 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
2536 * cppfiles.c (stack_include_file): line-map.c now handles include
2538 (handle_missing_handler): Similarly.
2539 (_cpp_execute_include): Similarly.
2540 (_cpp_pop_file_buffer): Similarly.
2541 * cpphash.h (struct cpp_reader): Remove system_include_depth,
2542 buffer_stack_depth and include_depth.
2543 * cpplib.c (do_include_common): line-map.c now handles include depth.
2544 (cpp_push_buffer): Similarly.
2545 (_cpp_pop_buffer): Similarly.
2546 * cppmacro.c (builtin_macro): Update.
2547 * line-map.c (init_line_maps): Set depth.
2548 (add_line_map): Increment "used" earlier. Update and use the
2550 (trace_include): Use the include depth.
2551 * line-map.h (struct line_maps): New member depth.
2553 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2555 * cppfiles.c (stack_include_file): Don't handle -H here.
2556 * cppinit.c (cpp_start_read): Set include tracing after
2557 cpp_post_options and after stacking the main file.
2558 * line-map.c (trace_include): New.
2559 (init_line_maps, add_line_map): Update.
2560 * line-map.h (struct line_maps): New member trace_includes.
2562 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2564 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
2565 * cppfiles.c (stack_include_file): Only stack a file if there
2566 is something to do. Return a boolean indicating whether a
2567 buffer was stacked or not.
2568 (_cpp_execute_include): Similarly.
2569 (_cpp_read_file): Similarly.
2570 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
2572 2001-08-21 Sam Steingold <sds@gnu.org>
2574 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
2575 (RECACHE): keep obufp_before_macroname up to date
2577 2001-08-21 Zack Weinberg <zackw@panix.com>
2579 * stmt.c: Don't include insn-codes.h.
2580 (expand_end_case): Machine specific logic moved to expr.c.
2581 No need to worry about __builtin_classify_type.
2582 (check_for_full_enumeration_handling, emit_case_nodes):
2585 * builtins.o (expand_builtin_classify_type): Split up so code
2586 can be shared with fold_builtin_classify_type.
2587 (type_to_class, fold_builtin_classify_type): New functions.
2588 (fold_builtins): Handle __builtin_classify_type.
2590 * expr.c (do_tablejump): Now static.
2591 (case_values_threshold, try_casesi, try_tablejump): New;
2592 code mostly from stmt.c (expand_end_case).
2593 (expr.h): Update prototypes.
2595 * Makefile.in (stmt.o): Update dependencies.
2597 2001-08-21 Will Cohen <wcohen@redhat.com>
2599 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
2600 declaration of variable i.
2601 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
2602 declaration of variable i.
2604 2001-08-21 Richard Henderson <rth@redhat.com>
2606 * crtstuff.c: Fix thinko last change. Move list tails to start
2607 of CRT_END section. Tidy ifdefs.
2608 (__EH_FRAME_BEGIN__): Always static for ELF.
2609 (__do_global_ctors_1): Rename from __frame_dummy.
2610 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
2611 name change; don't hide __EH_FRAME_BEGIN__.
2613 2001-08-21 Richard Henderson <rth@redhat.com>
2615 * gdbinit.in: Move break on exit after break on fancy_abort.
2617 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
2620 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
2622 * cpphash.h (_cpp_push_next_buffer): New.
2623 * cppinit.c (do_includes): Remove.
2624 (push_include, free_chain, _cpp_push_next_buffer): New.
2625 (cpp_start_read): Use them to rework command line option handling.
2626 (cpp_handle_option): Combine handling of -include and -imacros.
2627 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
2628 appropriate. Always insert missing \n at EOF.
2629 * cpplib.c (start_directive): Get the directive position right.
2630 * cppmain.c (cb_file_change): Always print the first line, unless
2633 2001-08-20 Andreas Jaeger <aj@suse.de>
2635 * profile.c (compute_branch_probabilities): Remove extra new-line
2637 * flow.c (verify_flow_info): Likewise.
2639 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2641 * basic-block.h (basic_block): Add new field 'flags'.
2642 (BB_REACHABLE): Define.
2643 (expunge_block): Declare.
2644 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
2645 (EXIT_BLOCK_PTR): Ditto.
2646 (expunge_block): Remove static declaration.
2647 (cleanup_cfg): Clear bb->aux on every basic block.
2648 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
2649 computing reachability.
2650 (delete_unreachable_blocks): Delete block b if b->flags has
2653 2001-08-20 Diego Novillo <dnovillo@redhat.com>
2655 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
2657 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2659 * sparc.c (sparc_variable_issue): Fix typo in last change.
2661 2001-08-20 Richard Henderson <rth@redhat.com>
2663 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
2665 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
2667 * pa.h (RETURN_IN_MEMORY): Improve comment.
2669 2001-08-20 Janis Johnson <janis187@us.ibm.com>
2671 * doc/invoke.texi (Profiling options): Clarify the interactions
2672 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
2674 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
2676 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
2679 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2681 * gcc.c (make_relative_prefix): Allocate a sufficiently large
2684 2001-08-20 Richard Henderson <rth@redhat.com>
2686 * final.c (end_final): Fix typo last change.
2688 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
2690 * cppinit.c (init_standard_includes): The returned buffer
2691 is already malloc-ed.
2692 * gcc.c (add_prefix): Similarly.
2693 * prefix.c (translate_name): Update to support clear buffer
2695 (update_path): Similarly. Be sure to free any newly allocated
2696 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
2698 * prefix.h (update_path): Update prototype and document.
2699 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
2700 up and update to new buffer ownership rules.
2701 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
2703 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
2705 * final.c (compute_alignments): New function.
2706 (init_insn_lengths): Do not care label_align.
2707 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
2708 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
2709 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
2710 (shorted_branches): Realloc label_align array; do
2711 not call init_insn_lengths; Do not care about loop alignments.
2712 * output.h (compute_alignments): Declare.
2713 * toplev.c (rest_of_compilation): Call compute_alignments.
2714 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
2716 * predict.c (block_info_def): Add npredecesors, remove nvisited;
2717 change visited to tovisit.
2718 (propagate_freq): Use faster traversing algorithm.
2719 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
2720 to tovisit; reverse meaning.
2722 * predict.c (struct block_info_def): Remove nvisited.
2723 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
2724 (estimate_bb_frequencies): Call mark_dfs_back_edges.
2726 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
2728 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
2729 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
2730 (TARGET_FUSED_MADD): New.
2731 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
2732 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
2733 the multiply-add instructions.
2735 2001-08-19 Richard Henderson <rth@redhat.com>
2737 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
2738 is aligned to pointer size.
2740 2001-08-19 Richard Henderson <rth@redhat.com>
2742 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
2743 display markers during final schedule.
2745 2001-08-19 Richard Henderson <rth@redhat.com>
2747 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
2749 2001-08-19 Richard Henderson <rth@redhat.com>
2751 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
2753 (ASM_NAME_TO_STRING): Remove.
2754 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
2755 in the same string. Remove support for expressions.
2757 2001-08-19 Richard Henderson <rth@redhat.com>
2759 * config/i386/i386.md (tablejump): Make an expander; handle
2760 pic relative addressing here.
2761 (tablejump_1): Rename from tablejump_pic.
2764 2001-08-19 Richard Henderson <rth@redhat.com>
2766 * regclass.c (fix_register): Fix typo.
2768 2001-08-18 Richard Henderson <rth@redhat.com>
2770 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
2771 (struct _Unwind_Context): Expand br_loc to hold it.
2772 (uw_frame_state_for): Handle leaf functions better.
2773 (uw_update_reg_address): Update for br_loc change.
2775 2001-08-18 Richard Henderson <rth@redhat.com>
2777 * crtstuff.c: Move list heads before code that uses them.
2778 (__JCR_LIST__): Remove initial null.
2779 (frame_dummy, __frame_dummy): Do java registration here ...
2780 (__do_global_ctors_aux): ... not here.
2782 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
2783 (__do_global_dtors_aux): Update to match.
2784 (__JCR_LIST__, __do_jv_register_classes): New.
2786 * config/ia64/crtend.asm (__JCR_END__): New.
2787 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
2788 instead of an indirect LTOFF22 reloc.
2790 2001-08-18 Richard Henderson <rth@redhat.com>
2792 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
2793 * regclass.c (init_reg_sets_1): Fix typo.
2794 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
2795 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
2796 (ia64_compute_frame_size): Make ar.unat live when in use.
2797 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
2798 for ar.pfs; remove ar.unat handling.
2799 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
2801 (PREDICATE_CODES): Add ar_pfs_reg_operand.
2802 * config/ia64/ia64-protos.h: Update decls.
2803 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
2804 (sibcall_pic): Likewise.
2806 2001-08-18 Richard Henderson <rth@redhat.com>
2808 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
2809 pred_rel_mutex when searching for insn_group_barrier.
2810 * config/ia64/ia64.md (cycle_display): Combine the expander
2813 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
2814 bit before asm as needed.
2816 2001-08-18 Richard Henderson <rth@redhat.com>
2818 * timevar.def (TV_MACH_DEP): New.
2819 * toplev.c (rest_of_compilation): Use it.
2820 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
2822 2001-08-18 Zack Weinberg <zackw@panix.com>
2824 * unwind-dw2.c (execute_stack_op): Add default aborts to
2825 the inner switches to prevent warnings.
2827 2001-08-18 Richard Henderson <rth@redhat.com>
2829 * timevar.h (struct timevar_time_def): Change element type to float.
2830 (ticks_to_msec, clocks_to_msec): Likewise.
2831 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
2832 (get_time): Likewise.
2833 (timevar_print): Adjust zero check and printing to match.
2835 2001-08-18 Zack Weinberg <zackw@panix.com>
2837 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
2838 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
2839 Eliminate overfull or underfull hboxes.
2841 2001-08-18 Zack Weinberg <zackw@panix.com>
2843 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
2845 2001-08-18 Zack Weinberg <zackw@panix.com>
2847 * haifa-sched.c: Convert to target hooks. Macros replaced
2848 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
2849 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
2850 MD_SCHED_FINISH, and HAVE_cycle_display.
2851 * target-def.h (TARGET_SCHED_ADJUST_COST,
2852 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
2853 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
2854 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
2855 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
2856 New hook #defines to be overridden.
2857 (TARGET_SCHED): Bring them all together.
2858 (TARGET_INITIALIZER): Update.
2859 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
2860 instead of 'struct rtx_def *' throughout.
2861 (struct sched): New set of hooks for the scheduler.
2862 * Makefile.in (haifa-sched.o): Depend on target.h.
2863 * doc/tm.texi: Document the new scheduler hooks, together in
2864 their own section, instead of scattered around.
2865 Fix a bunch of underfull/overfull hboxes.
2867 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
2868 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
2869 sparc.h: Don't define any of the old scheduler macros.
2871 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
2872 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
2873 sparc.c: Create hook functions from code extracted from
2874 corresponding target header, or make existing hooks static, as
2875 appropriate. Set the appropriate entries in targetm.
2877 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
2878 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
2879 rs6000-protos.h, s390-protos.h, sparc-protos.h:
2880 Remove prototypes for functions which are now static.
2882 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
2883 related gunk; the Haifa scheduler is now the only choice.
2885 2001-08-18 Zack Weinberg <zackw@panix.com>
2887 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
2888 * genopinit.c: Put floating point divide insns in sdiv_optab.
2889 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
2890 * config/gofast.h, config/c4x/c4x.h,
2891 config/ia64/hpux_longdouble.h, config/mips/mips.h,
2892 config/pa/long_double.h, config/rs6000/sysv4.h,
2893 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
2894 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
2895 (init_optabs): Use init_optabv for overflow-trapping optabs.
2896 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
2897 cmp_optab RTX codes so have_insn_for can find them.
2899 * optabs.c (expand_simple_binop, expand_simple_unop,
2900 have_insn_for, gen_sub3_insn): New interfaces.
2901 * expr.h: Prototype new functions.
2902 (enum optab_methods): Move here from optabs.h.
2904 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
2905 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
2906 Use new functions instead of working directly with optabs.
2907 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
2908 unroll.c: Don't include optabs.h.
2909 * caller-save.c, combine.c, function.c, stmt.c: Just include
2910 insn-codes.h, not optabs.h.
2911 * Makefile.in: Update dependencies.
2913 * combine.c (make_compound_operation, simplify_comparison):
2914 Fix typos testing for this or that instruction.
2916 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2918 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
2919 generating libgcc.a.
2921 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2923 * except.c (TYPE_HASH): Delete.
2925 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
2928 * tree.c (TYPE_HASH): Delete.
2930 * tree.h (TYPE_HASH): Define.
2932 2001-08-18 Graham Stott <grahams@redhat.com>
2934 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
2936 (adddi3_internal_2+2): Likewise.
2937 (eh_set_lr_di+1): Likewise.
2939 2001-08-17 Richard Henderson <rth@redhat.com>
2941 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2942 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
2943 * dwarf2asm.c: ... here.
2944 * dwarfout.c: Remove them.
2946 * varasm.c (assemble_integer): Add align parameter.
2947 (assemble_real, output_constant, output_constructor): Likewise.
2948 * output.h: Update decls.
2949 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
2950 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
2951 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
2952 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
2953 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
2956 * final.c (end_final): Abort profile block generation if we
2957 havn't layed it out properly.
2958 * output.h (assemble_eh_integer): Remove stale decl.
2959 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
2961 (assemble_integer): Handle unaligned data.
2962 (assemble_real): Abort on unaligned data.
2963 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
2965 (default_dtor_section_asm_out_destructor): Use assemble_align.
2966 (default_named_section_asm_out_constructor): Likewise.
2967 (default_ctor_section_asm_out_constructor): Likewise.
2968 * config/darwin.c (machopic_asm_out_constructor): Likewise.
2969 (machopic_asm_out_destructor): Likewise.
2970 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
2971 (nextstep_asm_out_destructor): Likewise.
2972 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
2973 (vms_asm_out_destructor): Likewise.
2975 2001-08-17 Richard Henderson <rth@redhat.com>
2977 * config/mips/iris6.h (TARGET_IRIX6): New.
2978 (current_section_name, current_section_flags): New.
2979 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
2980 (MAX_OFILE_ALIGNMENT): New.
2981 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
2982 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
2983 (copy_file_data): Split out from
2984 (mips_asm_file_end): ... here.
2985 (mips_asm_file_start): Remove extra .section directive. Use
2986 tmpfile instead of mips_make_temp_file.
2987 (mips_unique_section): Use const char * as needed for warnings.
2988 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
2989 re-add align parameter.
2990 (iris6_asm_named_section): New.
2991 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
2992 (iris6_asm_output_align, iris6_section_align_1): New.
2993 (iris6_asm_file_start, iris6_asm_file_end): New.
2994 * config/mips/mips-protos.h: Update decls.
2996 2001-08-17 Janis Johnson <janis187@us.ibm.com>
2998 * doc/install.texi (Install GCC): Add links to build status pages.
3000 (Final install): Ditto; request updates for specific info
3002 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
3004 * cpperror.c (print_location): Don't take a file name; use the
3006 (_cpp_begin_message): Similarly.
3007 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
3008 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
3009 (cpp_pedwarn_with_file_and_line): Remove.
3010 * cppfiles.c (stack_include_file): Update; set filename to stdin
3011 here when appropriate.
3012 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
3013 (_cpp_begin_message): Don't take a file name.
3014 * cppinit.c: Add comment.
3015 * cpplex.c: Fix end-of-directive indicator.
3016 * cpplib.c: Don't include intl.h.
3017 (run_directive, do_diagnostic): Update.
3018 (do_line): Update to not use nominal_fname.
3019 (cpp_push_buffer): Don't take a filename.
3020 * cpplib.h (struct ht): Remove.
3021 (cpp_push_buffer): Don't take a filename.
3022 (cpp_pedwarn_with_file_and_line): Remove.
3023 * cppmacro.c (struct cpp_macro): Remove file.
3024 (builtin_macro): Update.
3025 (_cpp_create_definition): Update.
3026 * cppmain.c: Correct comment.
3027 * fix-header.c (read_scan_file): Update.
3029 2001-08-17 Kazu Hirata <kazu@hxi.com>
3031 * sbitmap.c: Fix comment formatting.
3032 * sched-deps.c: Likewise.
3033 * sibcall.c: Likewise.
3034 * simplify-rtx.c: Likewise.
3036 * ssa-ccp.c: Likewise.
3037 * stor-layout.c: Likewise.
3038 * timevar.c: Likewise.
3039 * toplev.c: Likewise.
3040 * unwind-dw2.c: Likewise.
3041 * unwind-dw2-fde.c: Likewise.
3042 * varasm.c: Likewise.
3044 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3046 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
3047 or larger than an integer in memory.
3049 2001-08-17 Zack Weinberg <zackw@panix.com>
3051 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
3052 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
3053 * rtl.h: Don't forward-declare union tree_node here. Don't
3054 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
3055 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3056 and tree respectively.
3057 * tree.h: Don't forward-declare struct rtx_def here. Don't
3058 typedef tree here. Change all uses of struct rtx_def *,
3059 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
3060 and tree respectively.
3062 2001-08-17 Richard Henderson <rth@redhat.com>
3064 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
3065 config/mips/openbsd.h: Fix typos last change.
3067 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3069 * doc/invoke.texi (Optimize Options): The default for
3070 -finline-limit is 600.
3072 2001-08-17 Richard Henderson <rth@redhat.com>
3074 * varasm.c (text_section): Allow TEXT_SECTION to override the
3075 printing of TEXT_SECTION_ASM_OP.
3076 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
3077 (DATA_SECTION, BSS_SECTION): Remove.
3078 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
3079 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
3080 Rename from s/_NAME//.
3081 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
3082 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
3083 (TEXT_SECTION): ... here. New.
3084 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
3085 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
3086 * config/mips/openbsd.h: Likewise.
3087 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
3088 (mips_asm_file_end): Likewise test.
3089 (mips_output_function_epilogue): Likewise. Switch back to data
3090 section after emitting the function.
3092 * doc/tm.texi (Sections): Document TEXT_SECTION.
3094 2001-08-17 Richard Henderson <rth@redhat.com>
3096 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
3097 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
3099 2001-08-17 Richard Henderson <rth@redhat.com>
3101 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
3102 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
3103 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
3104 Add aligned attribute.
3106 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
3108 * config/sh/sh.md: Add modes to unspecs in first insn to match
3109 those in the second.
3111 * Makefile.in: Fix collect2 copy for Cygwin.
3113 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
3115 Install the proper patch.
3116 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3117 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3118 (expand_function_start): Likewise.
3119 * stmt.c (expand_decl): Likewise.
3120 * varasm.c (make_decl_rtx): Likewise.
3122 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3124 * final.c: Undo my previous accidental checkin.
3125 * output.h: Likewise.
3126 * tm.texi: Likewise.
3128 2001-08-16 Richard Henderson <rth@redhat.com>
3130 * varasm.c (named_section_flags): Remove align parameter.
3131 * varasm.c, dwarf2out.c: Update all callers.
3132 * output.h: Update prototypes.
3134 * target.h (target.asm_out.named_section): Remove align parameter.
3135 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
3136 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
3137 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
3138 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
3139 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
3141 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
3142 (get_named_section_flags, set_named_section_flags): New.
3143 (named_section_flags): Use them.
3144 (named_section): Do decl vs section flags check here...
3145 (default_section_type_flags): ... not here.
3146 (init_varasm_once): Create in_named_htab.
3147 (resolve_unique_section): Mark reloc unused.
3149 2001-08-16 Richard Henderson <rth@redhat.com>
3151 * varasm.c (force_const_mem): Keep pool alignment in bits.
3152 (output_constant_pool): Use assemble_align.
3154 2001-08-16 Zack Weinberg <zackw@panix.com>
3156 * doc/tm.texi: Remove extra @table command.
3158 2001-08-16 Zack Weinberg <zackw@panix.com>
3160 * final.c (shorten_branches): Clear the end of the label_align
3161 array only if we made it larger. Break up messy expressions
3164 * diagnostic.c (internal_error): Check for error recursion
3165 before doing ICE suppression.
3167 * timevar.c: Timing variables now count in milliseconds.
3168 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
3169 (get_time): Not here.
3170 (timevar_print): Don't print any timer whose user, cpu, and
3171 wall times are all zero as displayed.
3172 * timevar.h: Update comment aboout units. Make timevar
3175 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3177 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
3178 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
3179 (expand_function_start): Likewise.
3180 * stmt.c (expand_decl): Likewise.
3181 * varasm.c (make_decl_rtx): Likewise.
3183 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
3185 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
3186 (finalize_record_size): Don't set TYPE_USER_ALIGN.
3188 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3190 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
3193 2001-08-16 Andreas Jaeger <aj@suse.de>
3195 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
3198 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
3200 * rtl.h (only_sets_cc0_p): New prototype.
3201 * jump.c (sets_cc0_p): Handle INSN.
3202 (only_sets_cc0_p): New function.
3203 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
3204 (tidy_fallthru_edge): Likewise.
3205 * integrate.c (copy_insn_list): Likewise.
3206 * unroll.c (unroll_loop): Likewise.
3207 (copy_loop_body): Likewise.
3209 2001-08-15 Jason Eckhardt <jle@redhat.com>
3211 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
3213 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3215 * predict.c (struct block_info_def): Remove nvisited.
3216 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
3217 (estimate_bb_frequencies): Call mark_dfs_back_edges.
3219 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
3220 (ix86_adjust_cost): Teach scheduler that latency to load operand can
3223 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3225 * predict.def: Update hitrates.
3227 2001-08-15 Richard Henderson <rth@redhat.com>
3229 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
3231 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
3233 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
3234 note from its associated jump.
3236 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3238 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
3239 also on 64-bit s390x targets.
3241 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
3243 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
3245 (arm_expand_prologue): Handled nested functions which take a
3246 variable argument list.
3247 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
3248 macro with an invocation of
3249 arm_compute_initial_elimination_offset.
3250 * config/arm/arm-protos.h: Prototype
3251 arm_compute_initial_elimination_offset.
3253 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3255 * doc/install.texi (Specific, avr): Fix markup.
3256 (Specific, c4x): Ditto.
3258 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3260 * predict.c (dump_prediction): Change `bool' parameter to `int'.
3262 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
3264 * Makefile.in (OBJS): Add rtl-error.o
3265 (rtl-error.o): New rule.
3266 (diagnostic.o): Adjust dependency.
3267 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
3268 error_for_asm, _fatal_insn, _fatal_insn_not_found,
3269 warning_for_asm): Move to...
3270 rtl-error.c: ...here. New file.
3272 2001-08-14 Richard Henderson <rth@redhat.com>
3274 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
3275 if USING_SJLJ_EXCEPTIONS.
3277 2001-08-14 Steve Ellcey <sje@cup.hp.com>
3279 * tlink.c (scan_linker_output): Check string for unsatisfied in
3280 addition to undefined and unresolved.
3282 2001-08-14 Graham Stott <grahams@redhat.com>
3284 * libgcc2.c (*): Replace EH_FRAME_SECTION with
3285 EH_FRAME_SECTION_NAME.
3287 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
3289 * genattrtab.c (simplify_test_exp_in_temp): New function.
3290 (simplify_test_exp): Avoid explicit use of temporary obstack.
3291 (simplify_cond, insert_right_side, evaluate_eq_attr,
3292 simplify_and_tree, simplify_or_tree, eliminate_known_true):
3293 Use simplify_test_exp_in_temp.
3294 (optimize_attrs): Iterate until expression stabilizes.
3296 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
3298 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
3299 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
3301 2001-08-13 Richard Henderson <rth@redhat.com>
3303 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
3304 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
3305 * config/arm/conix-elf.h: Likewise.
3307 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3309 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
3311 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
3313 * gcse.c (hash_scan_set): Expressions that are set as part of
3314 jump instructions are not available.
3316 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3318 * config/s390/s390.c (print_operand, s390_function_prologue,
3319 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
3321 2001-08-13 Richard Henderson <rth@redhat.com>
3323 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
3324 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
3325 * doc/tm.texi (Exception Region Output): Document it.
3327 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
3329 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
3330 DWARF2 instead of stabs by default.
3332 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3334 * config/rs6000/rs6000.c: Include optabs.h.
3336 2001-08-13 David Edelsohn <edelsohn@gnu.org>
3338 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
3339 save/restore routines.
3340 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
3342 2001-08-13 Andreas Jaeger <aj@suse.de>
3344 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
3345 the english is correct.
3347 2001-08-13 Zack Weinberg <zackw@panix.com>
3349 * expr.h: Split out optab- and libfunc-related code to...
3350 * optabs.h, libfuncs.h: ... these new headers.
3352 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
3354 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
3356 * mkconfig.sh: Don't include insn-codes.h from config.h.
3358 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
3359 enum insn_code is available. Move reload_in_optab and
3360 reload_out_optab array declarations to optabs.h.
3361 * regmove.c (gen_add3_insn): Move to optabs.c, export from
3362 there, prototype in expr.h.
3363 * gencodes.c: Cleanup: zap global variables, don't use
3364 printf where puts will do, don't bother defining MAX_INSN_CODE
3365 which nothing uses, let CODE_FOR_nothing get its value implicitly.
3367 * genemit.c, genopinit.c: Include optabs.h in generated file.
3368 * genoutput.c: Include insn-codes.h in generated file.
3369 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
3370 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
3371 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
3372 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
3373 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
3374 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
3376 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
3377 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
3378 config/m88k/m88k.c, config/sparc/sparc.c:
3380 * reload.c: Include expr.h and optabs.h before reload.h.
3381 * config/alpha/alpha.c: Include tree.h before reload.h.
3382 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
3383 and reload.h in that order.
3384 * config/sparc/sparc.c: Include debug.h.
3385 * recog.c: Include insn-codes.h.
3387 2001-08-13 Andreas Jaeger <aj@suse.de>
3389 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
3392 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3394 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
3395 * gcc.c (init_spec): Fix typo in comment.
3396 * varasm.c (data_section): Fix typo in comment.
3398 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3400 * predict.c (dump_prediction): New argument "USED".
3401 (combine_predictions_for_insn): Determine the used heuristics,
3402 output the case no heuristic applied.
3403 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
3405 2001-08-13 Andreas Jaeger <aj@suse.de>
3407 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
3410 2001-08-13 Kazu Hirata <kazu@hxi.com>
3412 * jump.c: Fix formatting.
3414 2001-08-13 Kazu Hirata <kazu@hxi.com>
3416 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
3419 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
3421 * loop.c (check_dbra_loop): Use condjump_label to compute
3424 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
3425 to better document the files they're in.
3427 2001-08-12 Zack Weinberg <zackw@panix.com>
3429 * recog.h (struct insn_operand_data): Shrink 'mode' field
3432 2001-08-12 Kazu Hirata <kazu@hxi.com>
3434 * gcc.c: Fix comment formatting.
3435 * gccspec.c: Likewise.
3438 * genemit.c: Likewise.
3439 * gengenrtl.c: Likewise.
3440 * genrecog.c: Likewise.
3441 * gensupport.c: Likewise.
3442 * ggc-page.c: Likewise.
3443 * global.c: Likewise.
3444 * graph.c: Likewise.
3445 * ifcvt.c: Likewise.
3446 * integrate.c: Likewise.
3448 * libgcc2.c: Likewise.
3450 * mbchar.c: Likewise.
3451 * optabs.c: Likewise.
3452 * predict.c: Likewise.
3453 * prefix.c: Likewise.
3454 * profile.c: Likewise.
3455 * protoize.c: Likewise.
3457 * recog.c: Likewise.
3458 * regclass.c: Likewise.
3459 * regmove.c: Likewise.
3460 * reg-stack.c: Likewise.
3461 * reload1.c: Likewise.
3462 * resource.c: Likewise.
3463 * rtlanal.c: Likewise.
3466 2001-08-12 Kazu Hirata <kazu@hxi.com>
3468 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
3469 a tree representing a constant is passed to the macro.
3471 2001-08-12 Richard Henderson <rth@redhat.com>
3473 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
3474 (rs6000_elf_asm_out_destructor): New.
3475 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
3476 (DTORS_SECTION_ASM_OP): Remove.
3477 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3478 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
3480 2001-08-12 David Edelsohn <edelsohn@gnu.org>
3483 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3484 * gcc.c (set_collect_gcc_options): New function, split out from
3486 Ignore elided switches.
3487 (do_spec_1): Invoke before executing command.
3488 (set_input): Export.
3489 Move declaration ...
3490 * gcc.h (set_input): ... here.
3491 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3494 2001-08-12 Richard Henderson <rth@redhat.com>
3496 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
3497 thinko wrt TARGET_RELOCATABLE.
3499 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
3501 * fix-header.c (cb_file_change): Update prototype.
3503 2001-08-11 Zack Weinberg <zackw@panix.com>
3505 * toplev.c (set_float_handler): Make static.
3506 * toplev.h: Don't prototype set_float_handler.
3508 * simplify-rtx.c: Don't include setjmp.h.
3509 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
3511 (simplify_unary_operation, simplify_binary_operation): Use them,
3512 via do_float_handler.
3514 * fold-const.c: Don't include setjmp.h.
3515 (exact_real_inverse_1): New function.
3516 (exact_real_inverse): Use it, via do_float_handler.
3518 * varasm.c: Don't include setjmp.h.
3519 (assemble_real_1): New function.
3520 (assemble_real): Use it, via do_float_handler.
3521 Call internal_error if we get a trap here.
3523 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
3524 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
3526 2001-08-11 Zack Weinberg <zackw@panix.com>
3528 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
3529 STACK_BOUNDARY if not already defined.
3531 * calls.c, function.c, reload1.c, explow.c: Don't default
3532 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
3533 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
3535 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
3538 * doc/tm.texi: Document that STACK_BOUNDARY is required;
3539 clarify difference between it and PREFERRED_STACK_BOUNDARY.
3541 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3543 * cppmacro.c (enter_macro_context): Push macro expansions even
3546 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3548 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
3549 (rs6000_elf_section_type_flags): Actually return a value.
3551 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3553 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
3554 Clean up code: add missing comments and prototypes, fix warnings,
3555 remove obsolete code, fix spacing to conform to coding style.
3557 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
3559 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
3560 and TARGET_ASM_CLOSE_PAREN.
3561 (regclass_map): CC register belongs to class NO_REGS.
3562 (legitimize_pic_address): Don't generate unnecessary moves
3563 (to avoid confusing loop optimization).
3564 (check_and_change_labels): Replace jump_long by indirect_jump.
3565 (s390_final_chunkify): Don't start a new literal pool on section
3566 switch in 64-bit code.
3567 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
3569 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
3570 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
3571 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
3573 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
3574 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
3575 (CONST_COSTS): Fixed incorrect costs.
3577 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
3578 Use emit_jump instead of emit_jump_insn (gen_jump).
3579 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
3580 (to avoid confusing flow analysis).
3581 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
3582 (casesi, casesi_jump): New.
3583 (jump_long): Removed. Functionality merged into indirect_jump.
3584 (indirect_jump): Accept address_operand, not just register_operand.
3585 (cjump_long, icjump_long): Use same logic as indirect_jump.
3586 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
3587 Fixed broken setjmp/longjmp handling.
3588 (do_builtin_setjmp_setup): Removed.
3590 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
3591 broken GNU as versions that don't accept .quad with large
3592 negative values. Use hexadecimal output instead.
3593 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
3594 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
3595 FUNCTION_EPILOGUE): Removed. Now in targetm.
3597 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
3599 * config/s390/fixdfdi.h: Add missing copyright statement.
3600 Fix type conflicts on 64-bit. Add missing SFmode routines.
3602 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
3605 2001-08-11 Richard Henderson <rth@redhat.com>
3607 * rtl.h (REG_EH_RETHROW): Remove.
3608 * rtl.c (reg_note_name): Update.
3609 * combine.c (distribute_notes): Don't check for it.
3611 2001-08-11 Richard Henderson <rth@redhat.com>
3613 * combine.c (distribute_notes): Place REG_SETJMP.
3615 2001-08-11 Richard Henderson <rth@redhat.com>
3617 * doc/extend.texi (Arrays and pointers implementation): Discourage
3618 relying on sign-extension of pointers.
3620 2001-08-11 H.J. Lu <hjl@gnu.org>
3622 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
3624 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
3625 RDATA_SECTION_ASM_OP.
3627 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3629 * doc/install.texi (Specific, c4x): Fix cross-reference to the
3630 main manual to work both for info and HTML versions.
3632 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3633 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3635 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
3636 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
3637 (struct cpp_pool): New member first.
3638 * cppinit.c (append_include_chain): Plug memory leaks.
3639 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
3640 Allocate pragma structures from the (aligned) macro pool to
3641 avoid leaking memory.
3642 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
3643 so we don't leak memory.
3644 * hashtable.c (ht_destroy): New.
3645 * hashtable.h (ht_destroy): New.
3647 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
3648 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3650 * c-lex.c (map): Make const.
3651 (cb_file_change): Update for callback passing a line map.
3652 Don't assume we have a previous map. Remove sanity check
3653 about popping too many files.
3654 * cpperror.c (print_location): Make map const.
3655 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
3656 (cpp_make_system_header): Similarly.
3657 (search_from): Similarly.
3658 (_cpp_execute_include): Don't remember where we came from.
3659 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
3660 (struct cpp_reader): Make map const.
3661 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
3662 * cpplib.c (do_line): Update; line maps now hold sysp.
3663 (cpp_push_buffer): Similarly.
3664 (_cpp_do_file_change): Similarly; callback with map instead.
3665 (cpp_get_line_maps): Constify return value.
3666 (_cpp_pop_buffer): Update.
3667 * cpplib.h (struct cpp_file_change): Remove.
3668 (struct cpp_callbacks): Update.
3669 (cpp_get_line_maps): Constify return value.
3670 * cppmacro.c (_cpp_create_definition): Update.
3671 * cppmain.c (struct printer): Constify map.
3672 (maybe_print_line): Similarly.
3673 (print_line): Similarly. Deduce flags 1 and 2 here.
3674 (cb_file_change): Update.
3675 * line-map.c (free_line_maps): Warn regardless.
3676 (add_line_map): Return pointer to const. When passed NULL to_file
3677 with LC_LEAVE, use the obvious values for the return point so the
3678 caller doesn't have to figure them out.
3679 (lookup_line): Return pointer to const.
3680 (print_containing_files): Take pointer to const.
3681 * line-map.h (struct line_map): New members reason, sysp.
3682 (add_line_map): Return pointer to const.
3683 (lookup_line): Similarly.
3684 (print_containing_files): Take pointer to const.
3686 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
3687 Richard Henderson <rth@redhat.com>
3689 * regmove.c (regmove_optimize): Avoid setting a register twice in
3692 2001-08-10 Richard Henderson <rth@redhat.com>
3694 * doc/extend.texi (Arrays and pointers implementation): Document
3695 behavior of pointer/integer conversion.
3697 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
3699 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
3701 2001-08-10 Richard Henderson <rth@redhat.com>
3703 * doc/extend.texi (C Implementation): New chapter.
3704 * doc/gcc.texi (Top): Link it in.
3706 2001-08-10 Andrew Cagney <ac131313@redhat.com>
3708 * doc/install.texi (Specific): Fix CVS merge botch.
3710 2001-08-10 Richard Henderson <rth@redhat.com>
3712 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
3713 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
3715 2001-08-10 Zack Weinberg <zackw@stanford.edu>
3717 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
3718 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
3719 this macro is now required.
3721 * cselib.c (cselib_process_insn), flow.c (propagate_block),
3722 loop.c (find_and_verify_loops), reload.c (reload): Check
3723 for rtx code of CALL_INSN, not CALL, when deciding if we
3724 need to check for REG_SETJMP note.
3726 * gcse.c (compute_hash_table, compute_store_table): Update
3727 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
3730 * config/avr/avr.c: Fix typo.
3731 * config/convex/convex.c (expand_movstr): Use adjust_address.
3732 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
3734 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
3735 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
3737 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
3738 Do define STACK_BOUNDARY.
3739 * config/i370/i370.c: Include expr.h.
3740 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
3741 config/pa/som.h, config/v850/v850.h: Take in_ctors and
3742 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
3743 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
3744 * config/m88k/m88k.c: Include c-tree.h after expr.h.
3745 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
3746 * config/romp/romp.c: Include expr.h after tree.h.
3748 (output_fpop): Use xmalloc, not oballoc.
3749 * config/we32k/we32k.c: Include expr.h.
3751 2001-08-10 Kazu Hirata <kazu@hxi.com>
3753 * config/h8300/h8300.h: Fix formatting.
3755 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
3757 * c-common.h (RETURN_NULLIFIED_P): Lose.
3758 * c-semantics.c (genrtl_return_stmt): Don't check it.
3760 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3762 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
3763 (mips_annotate_frame_insn): New function.
3764 (mips_emit_frame_related_store): New function.
3765 (save_restore_insns): Don't mark instructions that set up the base
3766 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
3767 the store instructions instead.
3768 (mips_expand_prologue): If the stack size is moved into a temporary
3769 register, do not mark that move as frame-related. Add a
3770 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
3772 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3774 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
3775 stack slot as unchanging if current_function_calls_eh_return.
3777 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
3779 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
3780 access the second half of the TFmode scratch operand.
3782 2001-08-10 Anthony Green <green@redhat.com>
3784 * java/class.c (emit_register_classes): Conditionalize code on
3787 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3789 * doc/install.texi (Specific, avr): Fix cross-reference to the
3790 main manual to work both for info and HTML versions.
3792 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
3794 * stmt.c (expand_null_return_1): Remove code to generate simple returns
3795 and "use_goto" argument.
3796 (expand_null_return, expand_value_return): Update all callers.
3797 * function.c (expand_function_end): Remove code to generate simple
3799 * config/vax/vax.md (epilogue): New expander for function return.
3800 * doc/md.texi (epilogue): Remove "if defined".
3802 2001-08-09 Zack Weinberg <zackw@stanford.edu>
3804 * Makefile.in: Partially revert my previous change:
3805 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
3806 of the hashtab.o and safe-ctype.o rules.
3808 2001-08-09 Richard Henderson <rth@redhat.com>
3810 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
3811 (USE_COLLECT2): Remove duplicate definition.
3812 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
3813 (use_collect2): Remove dead code.
3814 * configure.in (use_collect2): Remove will_use_collect2 and
3815 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
3816 * configure: Rebuild.
3818 * target.h (targetm.asm_out.constructor): New.
3819 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
3820 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
3821 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
3822 * varasm.c (in_ctors, in_dtors): New.
3823 (assemble_constructor, assemble_destructor): Remove.
3824 (default_stabs_asm_out_destructor): New.
3825 (default_named_section_asm_out_destructor): New.
3826 (dtors_section, default_dtor_section_asm_out_destructor): New.
3827 (default_stabs_asm_out_constructor): New.
3828 (default_named_section_asm_out_constructor): New.
3829 (ctors_section, default_ctor_section_asm_out_constructor): New.
3830 * output.h: Update declarations.
3831 * c-decl.c (c_expand_body): Use target hooks instead of
3832 assemble_constructor and assemble_destructor.
3833 * profile.c (output_func_start_profiler): Likewise.
3834 * objc/objc-act.c (finish_objc): Likewise.
3835 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
3836 for the constructor.
3837 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
3839 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
3840 (DTORS_SECTION_ASM_OP): Likewise.
3841 (__CTOR_LIST__): Use attribute section when possible.
3842 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
3844 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
3845 ASM_OUTPUT_CONSTRUCTOR.
3847 * config/darwin.c (machopic_asm_out_constructor): New.
3848 (machopic_asm_out_destructor): New.
3849 * config/darwin-protos.h: Update declarations.
3850 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3851 (ASM_OUTPUT_DESTRUCTOR): Remove.
3852 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3853 * config/nextstep.c (nextstep_asm_out_constructor): New.
3854 (nextstep_asm_out_destructor): New.
3855 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3856 (ASM_OUTPUT_DESTRUCTOR): Remove.
3857 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3858 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
3859 ASM_OUTPUT_*STRUCTOR.
3860 * config/i386/aix386ng.h: Likewise.
3862 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
3863 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
3864 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
3865 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3866 * config/lynx.h: Likewise.
3867 * config/netware.h: Likewise.
3868 * config/psos.h: Likewise.
3869 * config/alpha/alpha-interix.h: Likewise.
3870 * config/alpha/elf.h: Likewise.
3871 * config/arc/arc.h: Likewise.
3872 * config/arm/aof.h: Likewise.
3873 * config/arm/coff.h: Likewise.
3874 * config/arm/elf.h: Likewise.
3875 * config/c4x/c4x.h: Likewise.
3876 * config/h8300/h8300.h: Likewise.
3877 * config/i386/cygwin.h: Likewise.
3878 * config/i386/djgpp.h: Likewise.
3879 * config/i386/i386-coff.h: Likewise.
3880 * config/i386/i386-interix.h: Likewise.
3881 * config/i386/sco5.h: Likewise.
3882 * config/i386/vsta.h: Likewise.
3883 * config/i386/win32.h: Likewise.
3884 * config/i960/i960-coff.h: Likewise.
3885 * config/ia64/sysv4.h: Likewise.
3886 * config/m68hc11/m68hc11.h: Likewise.
3887 * config/m68k/coff.h: Likewise.
3888 * config/m68k/mot3300.h: Likewise.
3889 * config/m88k/m88k.h: Likewise.
3890 * config/mcore/mcore-pe.h: Likewise.
3891 * config/mcore/mcore.h: Likewise.
3892 * config/mips/elf.h: Likewise.
3893 * config/mips/elf64.h: Likewise.
3894 * config/mips/iris6.h: Likewise.
3895 * config/pa/pa64-hpux.h: Likewise.
3896 * config/rs6000/sysv4.h: Likewise.
3897 * config/sh/sh.h: Likewise.
3898 * config/sparc/litecoff.h: Likewise.
3900 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
3901 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
3902 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3903 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3904 (ASM_OUTPUT_DESTRUCTOR): Remove.
3905 * config/a29k/a29k.c: Move include of tree.h.
3906 * config/a29k/udi.h: Delete file.
3907 * config/alpha/alpha.c (vms_asm_out_constructor): New.
3908 (vms_asm_out_destructor): New.
3909 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
3910 (EXTRA_SECTION_FUNCTIONS): Likewise.
3911 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3912 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3913 * config/c4x/c4x.c: Move include of tree.h.
3914 * config/clipper/clipper.c (clix_asm_out_constructor): New.
3915 (clix_asm_out_destructor): New.
3916 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3917 (ASM_OUTPUT_DESTRUCTOR): Remove.
3918 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3919 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3920 (TARGET_ASM_CONSTRUCTOR): New.
3921 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
3922 (sco_asm_out_constructor): New.
3923 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
3924 * config/i386/svr3gas.h: Remove stack grows up code.
3925 Remove code duplicated from i386/sysv3.h.
3926 (TARGET_ASM_CONSTRUCTOR): New.
3927 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
3928 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
3929 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3930 (TARGET_ASM_CONSTRUCTOR): New.
3931 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
3932 (m68hc11_asm_out_destructor): New.
3933 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
3934 (TARGET_ASM_DESTRUCTOR): New.
3935 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
3936 * config/m68k/dpx2.h: Properly undef all the bits inherited from
3937 config/svr3.h pertaining to section manipulation.
3938 * config/m68k/dpx2g.h: Remove #if 0 code.
3939 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
3940 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
3941 (ASM_OUTPUT_CONSTRUCTOR): Remove.
3942 (TARGET_ASM_CONSTRUCTOR): New.
3943 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
3944 (m88k_svr3_asm_out_constructor): New.
3945 (m88k_svr3_asm_out_destructor): New.
3946 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3947 (ASM_OUTPUT_DESTRUCTOR): Remove.
3948 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3949 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
3950 * config/rs6000/aix.h: Likewise.
3951 * config/mips/rtems64.h: Don't undef removed constructor related bits.
3952 * config/mips/vxworks.h: Likewise.
3953 * config/rs6000/lynx.h: Likewise.
3954 * config/sh/elf.h: Likewise.
3955 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
3956 (DTORS_SECTION_ASM_OP): New.
3957 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3958 (ASM_OUTPUT_DESTRUCTOR): Remove.
3959 * config/sparc/sol2-sld-64.h: Likewise.
3960 * config/vax/vax.c (vms_asm_out_constructor): New.
3961 (vms_asm_out_destructor): New.
3962 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
3963 (ASM_OUTPUT_DESTRUCTOR): Remove.
3964 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
3966 * doc/tm.texi (@node Initialization): Update.
3968 2001-08-09 Richard Henderson <rth@redhat.com>
3970 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
3971 (__do_global_dtors_aux): Use gp-relative static data to avoid
3972 one dynamic relocation.
3973 (__do_frame_setup): Register Java classes.
3974 * config/alpha/crtend.asm (__JCR_END__): New.
3976 2001-08-09 Zack Weinberg <zackw@stanford.edu>
3978 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
3979 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
3980 (GEN, STAGESTUFF): Add new files.
3981 (insn-constants.h, s-constants, tm-preds.h, s-preds,
3982 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
3983 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
3984 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
3985 as well as insn-codes.h and insn-flags.h in config.h; and no
3986 extra headers in tconfig.h and hconfig.h.
3988 * gencodes.c: Eliminate code to generate predicate declarations
3989 or #defines for md-file constants.
3990 * genconstants.c, genpreds.c: New files.
3992 * i386.md: Re-order guard expressions such that TARGET_64BIT
3993 comes first, when this permits better optimization. Add
3994 TARGET_64BIT to more x86-64 patterns. Add comment explaining
3995 why this is desirable.
3997 2001-08-09 Jakub Jelinek <jakub@redhat.com>
3999 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
4000 (find_fde_for_dso): Remove.
4001 (_Unwind_IteratePhdrCallback): New.
4002 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
4003 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
4005 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4007 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
4008 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
4010 2001-08-09 Graham Stott <grahams@redhat.com>
4012 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
4013 (vis_no_unit): Use it.
4014 (visualize_no_unit): Add the insn only if room exists.
4016 2001-08-09 Graham Stott <grahams@redhat.com>
4018 * predict.c (estimate_probability): Replace magic numbers with
4019 appropriate enumeration.
4021 2001-08-09 Graham Stott <grahams@redhat.com>
4023 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
4025 (EXTRACT_FLAGS): Likewise.
4027 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
4029 * config/mips/mips.c (mips_legitimate_address_p): Check for
4030 CONST_INT in last patch.
4032 2001-08-08 Anthony Green <green@redhat.com>
4034 * java/class.c (emit_register_classes): Use assemble_jcr if
4035 possible. Keep the original mechanism as a fallback.
4036 * defaults.h (JCR_SECTION_NAME): Define if we have named section
4037 and weak symbol support.
4038 * crtstuff.c (__JCR_LIST__): Define.
4039 (__JCR_END__): Define.
4040 (_Jv_RegiserClasses): Define weak symbol if possible.
4041 (__do_global_ctors_aux): Register classes for ELF targets with
4042 weak symbol support.
4044 2001-08-08 Kazu Hirata <kazu@hxi.com>
4046 * dbxout.c: Fix comment formatting.
4047 * dependence.c: Likewise.
4049 * diagnostic.c: Likewise.
4050 * dominance.c: Likewise.
4051 * doprint.c: Likewise.
4052 * dwarf2out.c: Likewise.
4053 * dwarfout.c: Likewise.
4054 * emit-rtl.c: Likewise.
4055 * except.c: Likewise.
4056 * explow.c: Likewise.
4057 * expmed.c: Likewise.
4060 * fold-const.c: Likewise.
4061 * function.c: Likewise.
4063 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4065 * global.c (retry_global_alloc): Avoid shadowing allocno.
4067 2001-08-08 Mark Mitchell <mark@codesourcery.com>
4069 * except.c (remove_fixup_regions): Fix typo.
4071 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
4073 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
4074 unsigned HOST_WIDE_INT to avoid warning.
4075 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
4076 * flow.c (set_block_for_new_insns): Likewise.
4078 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
4080 * sibcall.c (return_value_pseudo): New static variable.
4081 (skip_copy_to_return_value): Handle return_value_pseudo.
4082 (call_ends_block_p): Ensure that return_value_pseudo is set.
4083 (optimize_sibling_and_tail_recursive_call): Discover the
4084 load of pseudo return value in alternate exit block.
4086 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4088 * calls.c (ECF_ALWAYS_RETURN): New constant.
4089 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
4090 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
4091 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
4092 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
4093 * rtl.c (reg_note_name): New name.
4094 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
4096 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
4098 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
4100 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
4102 * alias.c (get_alias_set): Return a previously calculated
4103 alias set for a VAR_DECL.
4104 * function.c (gen_mem_addressof): Calculate the alias set before
4107 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
4109 * predict.def: Set hitrates according our experimental run.
4111 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4113 * i386.h (HARD_REGNO_RENAME_OK): New macro.
4115 2001-08-08 H.J. Lu <hjl@gnu.org>
4117 * config/mips/mips.c (mips_unique_section): New. Copied from
4120 * config/mips/mips-protos.h (mips_unique_section): New
4123 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
4125 * config/mips/little.h: New. Generic little endian mips
4126 targets. Only mips*-*-linux* is converted to use it so far.
4128 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
4129 (WCHAR_TYPE): Defined
4130 (WCHAR_TYPE_SIZE): Likewise.
4131 (INIT_SUBTARGET_OPTABS): Likewise.
4132 (BSS_SECTION_ASM_OP): Likewise.
4133 (SBSS_SECTION_ASM_OP): Likewise.
4134 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
4135 (ASM_DECLARE_OBJECT_NAME): Likewise.
4136 (UNIQUE_SECTION): Likewise.
4137 (EXTRA_SECTIONS): Likewise.
4138 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4139 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4140 (ASM_OUTPUT_DEF): Likewise.
4141 (HANDLE_SYSV_PRAGMA): Removed.
4142 (NO_IMPLICIT_EXTERN_C): Likewise.
4143 (TARGET_MEM_FUNCTIONS): Likewise.
4144 (STARTFILE_SPEC): Likewise.
4145 (ENDFILE_SPEC): Likewise.
4146 (LIB_SPEC): Likewise.
4147 (INVOKE__main): Likewise.
4148 (CTOR_LIST_BEGIN): Likewise.
4149 (CTOR_LIST_END): Likewise.
4150 (DTOR_LIST_BEGIN): Likewise.
4151 (DTOR_LIST_END): Likewise.
4152 (SET_ASM_OP): Likewise.
4153 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4154 (ASM_OUTPUT_DEF): Likewise.
4155 (ASM_OUTPUT_IDENT): Likewise.
4157 * config/mips/mips.h (ASM_SPEC): Undefine before define.
4158 (CPLUSPLUS_CPP_SPEC): Likewise.
4159 (ASM_APP_ON) Redefine only if not defined.
4160 (ASM_APP_OFF): Likewise.
4161 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4162 (ASM_OUTPUT_IDENT): Likewise.
4164 * config.gcc: Update tm_file for Linux/mips.
4166 2001-08-08 Bernd Schmidt <bernds@redhat.com>
4168 * cselib.c (cselib_record_sets): If insn is predicated, turn
4169 sources into IF_THEN_ELSEs.
4171 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
4172 Turn into define_insn_and_split.
4174 * sched-deps.c: Include "cselib.h".
4175 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
4176 Use cselib to turn memory addresses into VALUEs.
4177 (sched_analyze): Call cselib_init/cselib_finish if necessary.
4178 * sched-int.h (struct sched_info): New member USE_CSELIB.
4179 * sched-ebb.c (ebb_sched_info): Initialize it.
4180 * sched-rgn.c (rgn_sched_info): Likewise.
4181 * Makefile.in (sched-deps.o): Update dependencies.
4183 * cselib.h (cselib_subst_to_values): Declare.
4184 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
4185 that have no value and autoincs to be handled by generating a new
4188 2001-08-08 Graham Stott <grahams@redhat.com>
4190 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
4191 within fixed length SEQUENCE.
4193 2001-08-08 Graham Stott <grahams@redhat.com>
4195 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
4196 (diagnostic_prefixing_rule): Likewise.
4197 (diagnostic_line_cutoff): Likewise.
4198 (diagnostic_kind_count): Likewise.
4200 2001-08-08 Graham Stott <grahams@redhat.com>
4202 * alias.c (find_base_decl): Delete redundent assignment.
4204 2001-08-08 Graham Stott <grahams@redhat.com>
4206 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
4207 (abs): Uppercase and paranthesize macro parameter.
4208 (MEM_DEPENDENCY): Add whitespace.
4210 2001-08-08 Graham Stott <grahams@redhat.com>
4212 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
4213 failure check for CONST_INT
4215 2001-08-08 Graham Stott <grahams@redhat.com>
4217 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
4218 (libcall_dead_p): Likewise.
4220 (mark_used_regs): Constify fmt.
4221 (find_use_as_address): Likewise.
4223 2001-08-08 Graham Stott <grahams@redhat.com>
4225 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
4228 2001-08-08 Graham Stott <grahams@redhat.com>
4230 * combine.c (combine_simplify_rtx): Update comment and
4231 remove erroneous test.
4233 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4235 * cppinit.c (cpp_finish): Pop the final buffer without comment.
4236 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
4237 take care to avoid multiple no-newline at EOF warnings in that
4240 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
4242 * calls.c (expand_call): Do not emit INSN_SETJMP note.
4243 (emit_library_call_value_1): Likewise.
4244 (emit_call_1): Emit REG_SETJMP note.
4245 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
4247 * cselib.c (cselib_process_insn): Likewise.
4248 * flow.c (propagate_block): Likewise.
4249 * loop.c (find_and_verify_loops): Likewise.
4250 * reload.c (find_equiv_regs): Likewise.
4251 * reload1.c (reload): Likewise.
4252 * resource.c (mark_referenced_resources,
4253 mark_set_resources): Likewise.
4254 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
4255 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
4256 * haifa-sched.c (unlink_other_notes): Likewise.
4257 (reemit_notes): Likewise.
4258 * sched-ebb.c (sched_ebb): Likewise.
4259 * sched-rgc.c (sched_region): Likewise.
4260 * rtl.c (note_insn_name): Likewise.
4261 (reg_note_name): Add REG_SETJMP
4262 * rtl.h (reg_note): Add REG_SETJMP.
4263 (insn_note): Remove NOTE_INSN_SETJMP.
4265 * profile.c (branch_prob): Add fake edges for setjmp.
4267 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
4269 * config.gcc: Quote target_cpu_default2 correctly for
4270 powerpc*-*-* targets.
4272 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
4274 * cpplib.h, line-map.h: Update comments.
4275 * cppmain.c (printer_init): Move inline.
4276 (maybe_print_line, print_line): Take a map pointer.
4277 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
4278 (cb_file_change): Don't use prior value of print.map.
4280 2001-08-07 David Edelsohn <edelsohn@gnu.org>
4282 * doc/install.texi: Document fine-grained multilib configuration.
4284 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
4286 * rtlanal.c (find_first_parameter_load): Call note_stores
4287 only on the instructions.
4289 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4291 * alias.c (nonlocal_mentioned_p):
4292 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
4293 * calls.c (emit_call_1): Likewise.
4294 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
4295 * cselib.c (cselib_process_insn): Likewise.
4296 * df.c (df_insns_modify): Likewise.
4297 * flow.c (need_fake_edge_p): Likewise.
4298 (propagate_one_insn): Likewise.
4299 * haifa-sched.c (reemit_notes): Likewise.
4300 * integrate.c (copy_insn_list): Likewise.
4301 * jump.c (delete_prior_computation): Likewise.
4302 * local-alloc.c (validate_equiv_mem): Likewise.
4303 * loop.c (scan_loop): Likewise.
4304 * predict.c (estimate_probability): Likewise.
4305 * reload.c (reload): Likewise.
4306 * sched-deps (sched_analyze): Likewise.
4307 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
4308 * gcse.c (compute_hash_table): Likewise.
4309 (mark_call): Likewise.
4310 (store_killed_in_insn): Likewise.
4312 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
4314 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
4316 2001-08-06 Richard Henderson <rth@redhat.com>
4318 * varasm.c (assemble_gc_entry): Remove.
4319 * output.h: Likewise.
4321 2001-08-06 Richard Henderson <rth@redhat.com>
4323 * varasm.c (assemble_constructor): Take a symbol_ref and a
4324 priority instead of a bare string. Move priority handling
4325 here from cp/decl2.c.
4326 * output.h: Update decls.
4328 * c-decl.c (c_expand_body): Update calls to assemble_constructor
4329 and assemble_destructor.
4330 * profile.c (output_func_start_profiler): Likewise.
4331 * objc/objc-act.c (finish_objc): Likewise.
4332 (build_module_descriptor): Return the symbol not the symbol name.
4334 2001-08-06 David Edelsohn <edelsohn@gnu.org>
4336 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
4337 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
4338 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
4339 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
4340 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
4341 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
4343 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4345 * cpperror.c (print_containing_files): Moved to line-map.c.
4346 (print_location): line-map.c handles re-listing or otherwise.
4347 * cpphash.h (struct lexer_state): Remove next_bol.
4348 (struct cpp_buffer): Remove include_stack_listed.
4349 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
4350 Remove faked buffer handling.
4351 (_cpp_do_file_change): Tweak.
4352 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
4353 * cppmain.c (struct printer): Remove filename.
4354 (print_line, cb_file_change): Update accordingly.
4355 * line-map.c: Include intl.h.
4356 (init_line_maps): Initialize last_listed.
4357 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
4358 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
4359 (print_containing_files): New.
4360 * line-map.h (struct line_maps): New member last_listed.
4361 (print_containing_files, INCLUDED_FROM): New.
4362 * Makefile.in: Update.
4363 * po/POTFILES.in: Add line-map.c.
4365 2001-08-06 Richard Henderson <rth@redhat.com>
4367 * except.c (convert_from_eh_region_ranges_1): Never mark
4368 USE or CLOBBER insns as throwing.
4370 * expr.c (store_constructor): Don't clobber memory targets.
4372 2001-08-06 Andreas Jaeger <aj@suse.de>
4374 * profile.c (branch_prob): Remove unused variable insn.
4376 * Makefile.in (local-alloc.o): Add dependency on except.h.
4378 * local-alloc.c: Include except.h for can_throw_internal prototype.
4380 2001-08-06 Richard Henderson <rth@redhat.com>
4382 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
4383 * function.c (expand_main_function): Implement it.
4384 * doc/tm.texi: Document it.
4386 2001-08-06 Stan Shebs <shebs@apple.com>
4388 * doc/install.texi: Document powerpc-*-darwin* details.
4390 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
4392 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
4393 (ASM_CPU_SPEC): Move back to rs6000.h
4394 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
4396 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
4398 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
4401 * config/rs6000/linux64.h: Ditto.
4403 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4404 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
4407 Remove accidently readded definitions of FUNCTION_PROLOGUE,
4408 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
4410 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
4413 2001-08-05 Richard Henderson <rth@redhat.com>
4415 * local-alloc.c (update_equiv_regs): Do not move insns that
4418 2001-08-05 Jan Hubicka <jh@suse.cz>
4420 * Makefile.in (reload1.o): Add dedendancy on except.h
4421 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
4423 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
4424 indicating wehther edges has been cleaned up.
4425 * reload1.c: Inlucde except.h
4426 (fixup_abnormal_edges): Accept deleted insns.
4427 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
4430 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
4432 * cpplib.c (do_line): Correct line number after pop_buffer.
4434 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4436 PR preprocessor/3824
4437 * line-map.c: Update comments.
4438 * line-map.h: Update comments.
4439 * tradcif.y: Don't consider large numbers unsigned.
4441 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
4443 PR preprocessor/3081
4444 * c-lex.c (map): New.
4445 (cb_file_change): Update map and use it.
4446 (cb_def_pragma, cb_define, cb_undef): Use map and line.
4447 (c_lex): Update to use map.
4448 * cpperror.c (print_location): Move to using logical line numbers.
4449 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
4450 (cpp_make_system_header): Similarly.
4451 (_cpp_execute_include): Stop line numbering hacks. Store the
4452 line we will return to.
4453 * cpphash.h (CPP_BUF_LINE): Remove.
4454 (struct cpp_buffer): Remove lineno and pseudo_newlines.
4455 Add map and return_to_line.
4456 (_cpp_do_file_change): Update.
4457 * cppinit.c (cpp_start_read): Update line kludge.
4458 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
4459 (trigraph_ok): Use logical line numbers for diagnostics.
4460 (skip_block_comment): Likewise.
4461 (skip_whitespace): Likewise.
4462 (skip_line_comment): Use pfile->line instead.
4463 (_cpp_lex_token): Update to use logical line numbering exclusively.
4464 Handle BOL locally. Accept new lines in directives, but keep
4465 pfile->line decremented. Diagnostics use logical lines. Update
4467 * cpplib.c (SEEN_EOL): New.
4468 (skip_rest_of_line, check_eol): Use it.
4469 (end_directive): Increase line number when accepting the newline
4470 at the end of a directive.
4471 (run_directive): Simplify.
4472 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
4473 (_cpp_do_file_change): Update to take buffer line number as an
4474 argument, and store the current map in the cpp_reader. Remove
4475 line number kludges.
4476 (_cpp_do__Pragma): Restore output position after a _Pragma.
4477 (cpp_push_buffer): Don't set output line or lineno.
4478 (_cpp_pop_buffer): Transfer more info from a faked buffer.
4479 Remove line kludge. Set output_line.
4480 * cppmacro.c (builtin_macro): Update handling of __LINE__.
4481 (parse_arg): Use logical lines.
4482 (save_lookahead_token): Save EOFs too now.
4483 * cppmain.c (struct printer): Fix comments.
4484 (printer_init): Simplify, let caller do errors.
4485 (scan_translation_unit, check_multiline_token, dump_macro): Update.
4486 (maybe_print_line): Simplify.
4487 (print_line): Don't print a linemarker if -P.
4488 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
4489 (cb_file_change): Simplify.
4490 * line-map.h (LAST_SOURCE_LINE): Fix.
4491 (CURRENT_LINE_MAP): New.
4493 2001-08-05 Bernd Schmidt <bernds@redhat.com>
4495 * doloop.c (doloop_modify_runtime): Properly compute number of
4496 iterations if loop was unrolled.
4498 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
4499 if their CSELIB_VAL_PTRs are.
4501 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
4502 (setup_spill_pointers): Initialize it.
4503 (spill_restore_mem): Set it.
4504 (do_spill, do_restore): Use it to add REG_INC note.
4505 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
4507 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
4508 asms if other insns are available.
4510 * config/ia64/ia64.c (condop_operator): New predicate.
4511 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
4512 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
4515 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
4516 temporary register than directly using a MEM.
4518 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4520 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
4521 parameter in last change.
4523 2001-08-04 Zack Weinberg <zackw@panix.com>
4525 * sparc.md: Don't use #if inside C test expression.
4527 2001-08-04 Richard Henderson <rth@redhat.com>
4529 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
4531 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
4533 * cpphash.h (struct cpp_reader): New member directive_line.
4534 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
4535 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
4536 do_pragma): Pass line to callbacks.
4537 (start_directive): Record line of directive.
4538 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
4539 cb_include): Similarly.
4540 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
4543 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4545 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
4548 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4550 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
4552 * reload1.c (fixup_abnormal_edges): New static function.
4555 * flow.c (need_fake_edge_p): New function.
4556 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
4557 avoid call insn to be very last insn in the insn stream.
4559 * profile.c (branch_prob): Call flow_call_edges_add instead of
4560 doing that by hand; cleanup cfg to re-merge basic blocks once
4563 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4565 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
4566 are also on line-map.h.
4567 * cppfiles.c (stack_include_file): Update.
4568 * cpphash.h (struct cpp_buffer): New member return_at_eof.
4569 (_cpp_pop_buffer): New.
4570 * cppinit.c (cpp_destroy, cpp_finish): Update.
4571 (do_includes): Mark each buffer to return at EOF.
4572 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
4573 return as requested.
4574 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
4575 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
4576 * cpplib.h (cpp_pop_buffer): Remove.
4577 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
4578 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
4580 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
4582 (do_preprocessing): Update.
4583 * fix-header.c (read_scan_file): Update. No need to pop buffers.
4584 * c-parse.in (_yylex): Similarly.
4585 * scan-decls.c (scan_decls): Similarly.
4586 * line-map.h: Update comments.
4588 * objc/Make-lang.in (objc-act.o): Update dependencies.
4590 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4592 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
4593 and soft register for operand 0.
4594 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
4596 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4598 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
4599 register for operand 0.
4600 ("bitcmpqi_z_used"): Allow memory for operand 0.
4601 (split "bitcmpqi"): New split to handle address reg as operand 1.
4603 2001-08-04 Andreas Jaeger <aj@suse.de>
4605 * gcse.c: Revert Daniel's last patch.
4607 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4609 * sparc-protos.h: Add prototypes for fp_zero_operand and
4611 * sh-protos.h: Add prototype for fpul_operand.
4613 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
4615 * doc/extend.texi (Other Builtins): Fix typo in last change.
4617 2001-08-03 Richard Henderson <rth@redhat.com>
4619 * target.h (gcc_target): Add asm_out.named_section,
4620 section_type_flags, have_named_sections.
4621 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
4622 (TARGET_HAVE_NAMED_SECTIONS): New.
4623 (TARGET_SECTION_TYPE_FLAGS): New.
4625 * Makefile.in (toplev.o): Depend on TARGET_H.
4626 (varasm.o, dbxout.o): Likewise.
4627 * c-common.c (decl_attributes): Check targetm.have_named_sections
4628 instead of ifdef ASM_OUTPUT_SECTION_NAME.
4629 * dbxout.c (dbxout_function_decl): Likewise.
4630 (dbxout_function_end): Likewise.
4631 * toplev.c (compile_file): Likewise.
4632 * varasm.c (exception_section): Likewise.
4633 * cp/decl2.c (finish_objects): Likewise.
4635 * defaults.h (EH_FRAME_SECTION): Remove.
4636 (EH_FRAME_SECTION_ASM_OP): Remove.
4637 (EH_FRAME_SECTION_NAME): New.
4638 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
4639 (UNIQUE_SECTION_P): Remove.
4640 * dwarf2out.c (SECTION_FORMAT): Remove.
4641 (ASM_OUTPUT_SECTION): Remove.
4642 (output_call_frame_info): Use named_section_flags.
4643 (output_comp_unit, dwarf2out_start_source_file): Likewise.
4644 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
4645 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
4646 * varasm.c (in_eh_frame, eh_frame_section): Remove.
4647 (named_section_flags): New.
4648 (named_section): Use it and targetm.section_type_flags.
4649 (resolve_unique_section): New.
4650 (assemble_start_function): Use it.
4651 (asm_emit_uninitialised, assemble_variable): Likewise.
4652 (default_section_type_flags): New.
4653 (default_no_named_section, default_elf_asm_named_section): New.
4654 (default_coff_asm_named_section, default_pe_asm_named_section): New.
4655 * output.h: Update varasm.c decls.
4656 (SECTION_*): New flags.
4658 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
4659 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
4661 * config/elfos.h (UNIQUE_SECTION_P): Remove.
4662 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
4663 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
4664 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4665 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
4666 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
4667 * config/mips/elf.h, config/mips/elf64.h: Likewise.
4668 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
4669 * config/pa/pa64-hpux.h,
4671 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
4672 (TARGET_ASM_NAMED_SECTION): New.
4673 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
4674 * config/alpha/vms.h, config/arm/coff.h: Likewise.
4675 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
4676 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
4677 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
4678 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
4679 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
4680 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
4681 * config/i386/sco5.h, config/i386/win32.h: Likewise.
4682 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
4683 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
4684 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
4685 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
4686 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
4687 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
4688 * config/sparc/sysv4.h: Likewise.
4690 * config/nextstep.h: Error until named sections implemented.
4692 * config/a29k/a29k.c (a29k_asm_named_section): New.
4693 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
4694 (vms_section_type_flags, vms_asm_named_section): New.
4695 * config/arm/arm.c (arm_elf_asm_named_section): New.
4696 * config/avr/avr.c (asm_output_section_name): Remove.
4697 * config/avr/avr-protos.h: Update.
4698 * config/c4x/c4x.c (c4x_asm_named_section): New.
4699 * config/h8300/h8300.c (h8300_asm_named_section): New.
4700 * config/i386/i386.c (sco_asm_named_section): New.
4701 * config/i386/winnt.c (SECTION_PE_SHARED): New.
4702 (i386_pe_section_type_flags): New.
4703 (i386_pe_asm_named_section): New.
4704 * config/i386/i386-protos.h: Update.
4705 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
4706 * config/mcore/mcore.c (mcore_asm_named_section): New.
4707 * config/mips/mips.c (iris6_asm_named_section): New.
4708 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
4709 instead of UNIQUE_SECTION_P.
4710 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
4711 (xcoff_asm_named_section): New.
4712 * config/sh/sh.c (sh_asm_named_section): New.
4713 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
4715 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
4716 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
4717 (EH_FRAME_SECTION_NAME): New.
4718 (EXCEPTION_SECTION): New.
4719 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
4720 (DEBUG_*_SECTION): Remove.
4721 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
4722 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
4723 (EH_FRAME_SECTION_ASM_OP): Remove.
4725 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
4726 (ASM_OUTPUT_SECTION_NAME): Remove.
4727 (TARGET_ASM_NAMED_SECTION): New.
4728 (TARGET_HAVE_NAMED_SECTIONS): New.
4729 (TARGET_SECTION_TYPE_FLAGS): New.
4730 (EH_FRAME_SECTION_ASM_OP): Remove.
4731 (EH_FRAME_SECTION_NAME): New.
4733 2001-08-03 Zack Weinberg <zackw@stanford.edu>
4735 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
4736 for complex expressions when cfun == 0.
4737 * doc/extend.texi: Document that __builtin_constant_p can be
4738 used in data initializers as well as functions.
4740 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
4742 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
4743 variable I locally, instead of expecting a declaration in the
4746 2001-08-03 Richard Henderson <rth@redhat.com>
4748 * except.c (collect_one_action_chain): Add an explicit cleanup
4749 action if regions surrounding a catch were encoded entirely
4750 within the call-site entry.
4752 2001-08-03 Richard Henderson <rth@redhat.com>
4754 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
4755 don't take REGNO of a non-register.
4757 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4759 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
4760 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
4761 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
4762 (__gthread_mutex_init_function): New function for mutex initialization.
4764 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4766 * Makefile.in: Revert screwed up commit.
4768 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4770 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
4771 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
4772 merged by linker script to get a final _exit().
4773 (__do_global_dtors): New for destructor handling in specific exit
4775 (__do_global_ctors): New for constructors in specific install section.
4776 (__map_data_section): Map data sections before running constructors.
4777 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
4778 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
4779 (DTORS_SECTION_ASM_OP): Likewise.
4780 (CTORS_SECTION_FUNCTION): Define to force a reference to
4782 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
4784 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4786 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
4788 * Makefile.in: Add df.h to gcse.c dependencies.
4790 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4792 * varasm.c (output_constant_def_contents): Use for the length of a
4793 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
4794 depending on which is larger.
4796 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
4798 * gcse.c: Include df.h for use as a dataflow analyzer.
4800 Declaration of reg_set_info: gone.
4801 New df_analyzer variable used by store motion.
4802 (reg_set_info): Deleted.
4803 (mark_mem_regs): New function, analyze regs used by a mem.
4804 (store_ops_ok): Use dataflow analyzer results to determine if
4805 necessary regs are changed in the block.
4806 (find_moveable_store): Remove check for symbol ref, we can handle
4807 much more complex expressions now.
4808 (compute_store_table): Remove most of the code, it's unnecessary
4809 now that the dataflow analyzer records the info for us.
4810 (store_killed_after): Add parameter to say whether to do the
4811 store_ops_okay test, used to speed up testing when we already know
4812 the answer, and just want to know if the store itself was killed.
4813 (build_store_vector): Largely rewritten to calculate the various
4814 vectors properly, and somewhat optimized.
4815 (store_motion): Init the df_analyzer, get REG_DEF chains.
4816 Also handle trapping expressions (since mems almost always trap)
4817 (simple_mem): Redefine what a simple mem is.
4819 2001-08-03 DJ Delorie <dj@redhat.com>
4821 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
4822 set from a constant part of the condition.
4824 2001-08-01 Andrew Cagney <ac131313@redhat.com>
4826 * mkdeps.c (deps_add_default_target): Make local variable
4827 ``start'' a const char pointer.
4828 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
4830 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4832 * doc/install.texi (Configuration): Fix markup.
4833 (Specific, i?86-*-udk): Likewise.
4834 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
4836 Document --enable-threads and --enable-libgcj status.
4837 (Specific, mips-sgi-irix*): Canonicalize triples.
4838 (Specific, mips-sgi-irix5): Warn about problems with this config.
4839 Mention required GNU as patch.
4840 Native assembler problems are fixed.
4841 (Specific, mips-sgi-irix6): Update O32 ABI support status.
4842 Document --enable-threads and --enable-libgcj status.
4844 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4846 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
4849 2001-08-03 Richard Henderson <rth@redhat.com>
4851 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
4854 2001-08-03 Richard Henderson <rth@redhat.com>
4856 * rtlanal.c (find_first_parameter_load): Stop if we
4857 reach a CODE_LABEL at BOUNDARY.
4859 2001-08-03 Richard Henderson <rth@redhat.com>
4861 * config/alpha/alpha.md (force_movdi): New insn.
4862 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
4863 Tweek FRP marking of VMS prologue insns.
4864 * config/alpha/vms.h (EPILOGUE_USES): New.
4866 2001-08-02 Richard Henderson <rth@redhat.com>
4868 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
4870 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
4872 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
4873 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
4874 config/convex/convex.h, config/d30v/d30v.c,
4875 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
4876 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
4877 config/mips/mips.h, config/mn10200/mn10200.h,
4878 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
4879 config/v850/v850.h, config/vax/openbsd.h,
4880 config/vax/openbsd1.h, config/vax/ultrix.h,
4881 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
4882 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
4883 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
4884 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
4885 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
4886 in comments and documentation.
4888 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4892 * Makefile.in (line-map.o): New.
4893 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
4894 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
4895 * cpperror.c (print_containing_files): Similarly.
4896 (print_location): Update. Don't output a space before _Pragma.
4897 * cppfiles.c (stack_include_file): Set to line 1 immediately.
4898 (stack_include_filee, cpp_make_system_header): Update.
4899 (_cpp_execute_include): Get logical line number right for calling
4900 as-yet-unterminated #include.
4901 * cpphash.h (struct cpp_reader): Add line_maps.
4902 (_cpp_do_file_change): Update.
4903 * cppinit.c (cpp_create_reader): Initialize line maps.
4904 (cpp_destroy): Destroy line maps.
4905 (cpp_start_read): Get logical line number right.
4906 * cpplex.c (parse_string): Only warn once for multi-line strings.
4907 Use boolean variable for null warning.
4908 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
4910 (do_include_common): End the directive early.
4911 (do_line): Don't warn about out-of-range lines in preprocessed
4912 source. Update. Remove unused variables.
4913 (_cpp_do_file_change): Update for new line mapping.
4914 (pragma_cb): New typedef.
4915 (cpp_register_pragma): Stop looking ahead before calling the
4917 (do_pragma_system_header): End directive early.
4918 (cpp_get_line_maps): New.
4919 (cpp_pop_buffer): Fudge logical line. Update.
4920 * cpplib.h: Include line-map.h
4921 (enum cpp_fc_reason): Remove.
4922 (struct cpp_file_change): Update.
4923 (cpp_get_line_maps): New.
4924 * cppmain.c (struct_printer): New member map.
4925 (cb_file_change): Update for new mappings.
4926 * fix-header.c (cb_file_change): Similarly.
4928 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4930 * Makefile.in (libgcc.mk): Define mkinstalldirs.
4931 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
4933 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
4935 * config/vax/vax.c: include expr.h.
4937 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
4939 * Makefile.in ($(srcdir)/configure): Only rebuild in
4941 ($(srcdir)/config.in): Only define in maintainer mode.
4942 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
4944 2001-08-02 David Edelsohn <edelsohn@gnu.org>
4946 * doc/install.texi (Install GCC: Binaries): Update Bull info.
4948 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4950 * gcc.c (set_collect_gcc_options): New function, split out from
4952 Ignore elided switches.
4953 (do_spec_1): Invoke before executing command.
4954 (set_input): Export.
4955 Move declaration ...
4956 * gcc.h (set_input): ... here.
4957 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
4960 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
4963 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
4965 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
4967 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
4969 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
4970 for the unnamed instructions it expands to.
4972 2001-08-02 Richard Henderson <rth@redhat.com>
4974 * regclass.c (call_really_used_regs): Conditionally define.
4975 (init_reg_sets_1): Don't use it if not defined.
4976 (fix_register): Similarly, don't set it.
4978 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4980 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
4981 Correct comment that had been missed in the previous change.
4983 2001-08-01 Stan Shebs <shebs@apple.com>
4985 * config/darwin.c (machopic_stub_name): Try matching by name.
4986 (update_stubs): New function.
4987 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
4990 2001-08-01 Richard Henderson <rth@redhat.com>
4992 * except.c (output_function_exception_table): Use assemble_align.
4993 * varasm.c (assemble_eh_label): Remove.
4994 (assemble_eh_align, assemble_eh_integer): Remove.
4996 2001-08-01 Robert Lipe <robertl@caldera.com>
4998 * dwarfout.c: Remove reference to README.DWARF.
5000 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
5002 * regclass.c (call_really_used_regs): New array for registers which
5003 are actually used by a call.
5004 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
5006 (fix_register): Set call_really_used too.
5007 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
5008 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
5010 2001-08-01 Richard Henderson <rth@redhat.com>
5012 * read-rtl.c (read_name): Consider \r whitespace.
5014 2001-07-11 Andrew Cagney <ac131313@redhat.com>
5016 * config.gcc: Recognize powerpc-*-netbsd*.
5018 * doc/install.texi (Host/target specific installation notes for
5019 GCC): Mention powerpc-*-netbsd*.
5021 * config/rs6000/netbsd.h: New file.
5022 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
5023 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
5024 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
5025 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
5026 (TARGET_VERSION): Redefine.
5028 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
5029 mcall-netbsd as a match for mcall-sysv.
5030 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
5031 (ncrti.S, ncrtn.S): New targets.
5032 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
5034 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
5035 "netbsd' as a V4 ABI.
5036 (ASM_SPEC): Check for -mcall-netbsd.
5037 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
5038 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
5039 (LIB_SPEC, ENDFILE_SPEC): Ditto.
5040 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
5041 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
5042 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
5043 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
5045 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
5046 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
5048 2001-08-01 Mark Kettenis <kettenis@gnu.org>
5050 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
5051 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
5052 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
5053 including "unwind-pe.h".
5055 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
5057 * rs6000.md (define_splits): Kill unused constraints.
5059 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
5060 Jan Hubicka <jh@suse.cz>
5062 * function.c (thread_prologue_and_epilogue_insns): Kill code
5063 dealing with non-existent CFG.
5065 2001-08-01 Kazu Hirata <kazu@hxi.com>
5067 * alias.c: Fix comment formatting.
5068 * bitmap.c: Likewise.
5069 * builtins.c: Likewise.
5070 * calls.c: Likewise.
5071 * c-common.c: Likewise.
5072 * c-decl.c: Likewise.
5073 * c-dump.c: Likewise.
5074 * c-lex.c: Likewise.
5075 * collect2.c: Likewise.
5076 * combine.c: Likewise.
5077 * conflict.c: Likewise.
5078 * cppfiles.c: Likewise.
5079 * cppinit.c: Likewise.
5080 * cpplex.c: Likewise.
5081 * cpplib.c: Likewise.
5082 * cppmacro.c: Likewise.
5083 * cppspec.c: Likewise.
5084 * c-pragma.c: Likewise.
5085 * crtstuff.c: Likewise.
5087 * cselib.c: Likewise.
5088 * c-semantics.c: Likewise.
5089 * c-typeck.c: Likewise.
5091 2001-08-01 H.J. Lu <hjl@gnu.org>
5093 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
5095 2001-08-01 H.J. Lu <hjl@gnu.org>
5097 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
5099 2001-08-01 Ziemowit Laski <zlaski@apple.com>
5101 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
5102 contextualizing Objective-C class name lookup by the lexer.
5103 (typespec_reserved_nonattr): Disable ObjC class name lookup after
5105 (protocoldef): Add support for forward @protocol declarations.
5106 (yylexname): Suppress ObjC class name lookup in certain contexts;
5107 re-enable after lookup is complete.
5108 (_yylex): Re-enable ObjC class name lookup when certain
5109 punctuation marks are seen.
5111 * objc/objc-act.c (check_protocol_recursively): New function used
5112 for finding circular dependencies in protocols.
5113 (objc_declare_protocols): New function for handling forward
5114 @protocol declarations.
5115 (receiver_is_class_object): Detect the case when 'self' is used
5116 inside of a class method.
5117 (build_message_expr): Issue a warning if class method is desired
5118 but instance method is found instead.
5119 (conforms_to_protocol): Streamline.
5120 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
5121 protocol Foo, even if 'Bar foo' does not.
5122 (check_protocols): Streamline.
5123 (start_protocol): Add checks for circular and duplicate protocol
5125 (encode_aggregate_within): For typedefs of structs, encode the
5127 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
5128 (objc_declare_protocols): New prototype.
5130 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5132 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
5133 * cpplex.c (handle_newline): Update prototype. Maintain logical
5135 (skip_escaped_newlines, skip_block_comment, parse_string):
5137 (_cpp_lex_token): Update, and store token position within the token.
5138 * cpplib.h (struct cpp_token): Add line and column entries.
5139 * cppmacro.c (replace_args): Position stringified tokens correctly.
5141 2001-08-01 Andreas Jaeger <aj@suse.de>
5143 * basic-block.h: Add prototype for last_loop_beg_note.
5145 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
5147 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
5148 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
5150 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
5151 while handling WITH_CLEANUP_EXPR node. Use second operand calling
5152 expand_decl_cleanup.
5153 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
5155 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
5156 operand while calling simple_cst_equal.
5157 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
5158 operand is the cleanup expression, the third is the RTL_EXPR.
5159 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
5161 2001-07-31 Jeff Sturm <jsturm@one-point.com>
5163 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
5165 2001-07-31 matthew green <mrg@eterna.com.au>
5167 * config.gcc (i386-*-netbsdelf): New description.
5168 * config/i386/netbsd-elf.h: New file.
5170 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
5172 * loop.c (check_dbra_loop): Use single_set to compute
5175 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
5177 PowerPC reorg and support for powerpc64-*-linux*.
5179 Also fixes emitting of constants on 32 bit and 64 bit
5182 * config.gcc: powerpc64-*-linux* is a new target.
5183 Things that needed aix.h now also include xcoff.h
5185 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
5187 Move AIX specific stuff into aix.h.
5188 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
5189 with more than just XCOFF now.
5190 (SET_ASM_OP): Remove, now defined where needed.
5191 (FUNCTION_PROLOGUE): New macro definition.
5192 (FUNCTION_EPILOGUE): New macro definition.
5193 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
5195 * config/rs6000/xcoff.h: New file.
5197 * config/rs6000/linux64.h: New file.
5199 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
5201 2001-07-31 Alan Modra <amodra@bigpond.net.au>
5203 * rs6000.c (print_operand_address): Handle ELF syntax.
5204 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
5205 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
5206 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
5208 2001-07-31 David Edelsohn <edelsohn@gnu.org>
5210 * rs6000.c (rs6000_override_options): Only disable
5211 flag_function_sections for XCOFF.
5212 (exact_log2_cint_operand): New predicate.
5213 (reg_or_{add,sub}_cint64_operand): New predicates.
5214 (add_operand): Compare CONST_INT with fewer function calls.
5215 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
5216 (print_operand, case 'p'): Ensure positive operand.
5217 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
5218 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
5219 (PREDICATE_CODES): Add new predicates.
5220 * rs6000.md (addsi3): Split 32-bit constants more correctly.
5221 (divsi3, modsi3): Ensure positive power-of-2.
5222 (adddi3): Use new predicate. Split 32-bit constants more
5223 correctly. Re-arrange splitter to handle any constant.
5224 (subdi3): Use new predicate.
5225 (divdi3, moddi3): Ensure positive power-of-2.
5226 (movdi): Use rs6000_emit_set_const.
5227 (load_toc_v4_pic_di): Delete.
5229 2001-07-31 Graham Stott <grahams@redhat.com>
5231 * function.c (pad_below): Revert 2001-07-26 patch.
5233 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5235 * reg-stack (convert_regs_1): Fix best edge condition.
5237 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5239 * jump.c (duplicate_loop_exit_test): Better test for jumps
5240 entering the loop; create loop pre_header.
5242 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
5244 * doc/install.texi: Add s390 and s390x as new targets.
5245 * doc/invoke.texi: Add documantation of S/390 and zSeries
5247 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
5249 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5251 * config/m68k/m68k.md: Replace all general_operand with
5252 nonimmediate_operand for all destinations.
5253 * config/m68k/m68k.c (not_sp_operand): Likewise.
5255 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
5257 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
5259 2001-07-30 Richard Henderson <rth@redhat.com>
5261 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
5262 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
5264 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
5266 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
5267 Add missing doc strings
5268 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
5269 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
5271 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
5273 * i386.c (ix86_output_main_function_alignment_hack): New function.
5274 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
5276 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
5277 edges by EDGE_DFS_BACK flag.
5278 (dump_edge_info): Add dfs_back flag.
5279 * basic-block.h (EDGE_DFS_BACK): New constant.
5280 (mark_dfs_back_edges): Declare.
5281 * alias.c (loop_p): Remove.
5282 (mark_constant_function): Use mark_dfs_back_edges.
5284 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
5285 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
5286 (compensate_edge): Break out from ...
5287 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
5288 (convert_regs_2): Set block_done once block is really done;
5289 Do updating of the predecesors counts.
5291 * toplev.c (rest_of_compilation): Recompute block_for_insn
5292 before post-reload cfg_cleanup.
5293 * function.c (thread_prologue_epilogue_insns):
5294 Call set_block_for_new_insns when emitting prologue directly.
5296 2001-07-30 Andreas Jaeger <aj@suse.de>
5298 * jump.c: Add prototype for mark_modified_reg.
5300 * cse.c (set_live_p): Add unused attribute.
5302 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
5304 (scan_for_source_files): Use long for count to avoid overflow.
5305 (output_data): Likewise.
5306 (output_data): Don't use string concatatenation to silence gcc
5309 * predict.c: Fix typos and grammar.
5311 * gcse.c (insert_insn_end_bb): Remove unused variables.
5313 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
5315 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
5316 (attempt_auto_inc): LIkewise.
5317 (mark_used_reg): Likewise.
5318 (try_pre_increment_1): Likewise.
5319 * regclass.c (regclass): Likewise.
5320 * global.c (allocno_compare): Update comment; change scaling factor.
5321 * local-alloc.c (QTY_CMP_PRI): Likewise.
5322 * regs.h (REG_FREQ_FROM_BB): New.
5323 (REG_FREQ_MAX): Likewise.
5325 2001-07-30 H.J. Lu <hjl@gnu.org>
5327 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
5330 2001-07-30 H.J. Lu (hjl@gnu.org)
5332 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
5333 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5334 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
5336 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
5338 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
5339 as -mthumb-interwork when -mcpu=arm7 is specified.
5341 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
5343 * predict.def (noreturn, loop branch, loop exit): Mark as first
5346 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
5348 * combine.c (try_combine): Avoid barrier after noop jumps.
5350 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5352 * cpphash.h (struct cpp_reader): Remove import_warning.
5353 * cpplib.c (skip_rest_of_line): Don't bother turning off
5355 (parse_include): Move include handling to...
5356 (do_include_common): ... here. Move import warning from...
5357 (do_import): ... here.
5358 (do_pragma_poison): Don't do a callback for poison identifiers.
5359 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
5360 * cppmain.c (setup_callbacks): Similarly.
5362 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
5364 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
5365 handle multiple sets.
5366 * except.c (sjlj_mark_call_sites): .... here.
5367 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
5369 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
5371 Suggested by Richard Henderson and Richard Kenner:
5372 * combine.c (recog_for_combine): Use the fake recog
5373 only if instruction does not match.
5374 * rtl.h (NOOP_MOVE_INSN_CODE): New.
5375 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
5377 * combine.c (try_combine): Discover noop jump as direct jump.
5379 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
5381 * df.c (df_rd_global_compute): Add successors to worklist, not
5383 (df_ru_global_compute): Ditto.
5385 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
5387 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
5388 increment REG_N_SETS.
5390 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
5392 * sbitmap.h: New prototype for sbitmap_a_xor_b.
5394 * sbitmap.c (sbitmap_a_xor_b): New function.
5395 ifdef the basic block stuff on IN_GCC.
5397 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5399 * cppexp.c (parse_defined): Always record the macro name.
5400 (lex): Don't worry about identifiers, or special-case
5402 (_cpp_parse_expr): Figure out at the end of the routine
5403 whether we saw a valid !defined() expression.
5404 * cppfiles.c (stack_include_file): Update for mi_valid.
5405 (_cpp_pop_file_buffer): Similarly.
5406 * cpplex.c (_cpp_lex_token): Similarly.
5407 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
5408 mi_if_not_defined, mi_lexed): Remove.
5410 * cpplib.c (do_if): Simplify.
5411 (do_endif, push_conditional, _cpp_handle_directive): Update
5412 for renaming of mi_state to mi_valid.
5414 * cpp.texi: Add index entries for digraphs, and add comment
5415 that C++ refers to them as alternative tokens.
5417 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5419 * basic-block.h (CLEANUP_PRE_LOOP): New.
5420 * except.c (finish_eh_generation): Update call of cleanup_cfg.
5421 * sibcall.c (optimize_sibling_calls): Likewise.
5422 * toplev.c (rest_of_compilation): Likewise.
5423 * flow.c (try_forward_edges): Take argument MODE;
5424 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
5425 (try_optimize_cfg): Update call of try_forward_edges.
5427 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
5428 Jan Hubicka <jh@suse.cz>
5430 * (validate_replace_rtx_1): Fix simplification of MINUS.
5432 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
5434 PR preprocessor/3669
5435 * cppinit.c (init_dependency_output): Turn off dump requests
5436 if sending dependencies to stdout.
5438 2001-07-28 Richard Henderson <rth@redhat.com>
5440 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
5443 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
5445 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
5447 2001-07-28 Kazu Hirata <kazu@hxi.com>
5449 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
5450 is VAR_DECL first to prevent an ICE.
5452 2001-07-28 Richard Henderson <rth@redhat.com>
5454 * varasm.c (immed_real_const_1): Don't elide special cases for
5456 (clear_const_double_mem): Clear const_tiny_rtx too.
5458 2001-07-28 Richard Henderson <rth@redhat.com>
5460 * dwarf2out.c (dw_val_class_offset): New.
5461 (struct dw_ranges_struct, dw_ranges_ref): New.
5462 (ranges_table, ranges_table_allocated): New.
5463 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
5464 (add_AT_offset, add_ranges, output_ranges): New.
5465 (print_die, output_die): Handle dw_val_class_offset.
5466 (attr_checksum, size_of_die, value_format): Likewise.
5467 (gen_lexical_block_die): Handle non-contiguous blocks.
5468 (gen_block_die): Likewise.
5469 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
5470 if needed. Dump the ranges table.
5471 * final.c (final_start_function): Remove unnecessary notes and
5472 rebuild the block tree before numbering the blocks.
5473 * function.c (reorder_blocks_0): Walk the existing block tree
5474 to unmark all blocks.
5475 (reorder_blocks_1): Create block fragments when duplicate block
5477 (reorder_fix_fragments): New.
5478 (reorder_blocks): Call it.
5479 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
5481 2001-07-28 Richard Henderson <rth@redhat.com>
5483 * emit-rtl.c (adjust_address): Make a copy of the memory address.
5485 2001-07-28 Richard Henderson <rth@redhat.com>
5487 * flow.c (add_to_mem_set_list): New function.
5488 (init_propagate_block_info): Use it.
5489 (mark_set_1): Likewise.
5490 (insn_dead_p): Canonicalize memory address for dead store
5491 comparison. Allow wider mode stores to kill narrower mode stores.
5492 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
5493 (invalidate_mems_from_set): Don't handle MEMs.
5495 2001-07-28 Kazu Hirata <kazu@hxi.com>
5497 * config/h8300/h8300.h: Fix formatting.
5499 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5501 * basic-block.h (EDGE_FREQUENCY): New macro.
5502 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
5504 * flow.c (find_sub_basic_blocks): Likewise.
5505 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
5506 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
5508 * predict.c (DEF_PREDICTOR): New argument FLAGS.
5509 (HITRATE): New macro.
5510 (PRED_FLAG_FIRST_MATCH): New constant.
5511 (predictor_info): New field flgags.
5512 (combine_predictions_for_insn): Use DS theory to combine
5513 probabilities; set the edge probabilities when finished.
5514 (estimate_probability): Avoid duplicated matches
5515 of LOOP_BRANCH heuristics for nested loops; update comment.
5516 * predict.def: Add flags for each prediction, set probabilities
5517 according to B&L paper.
5518 * predict.h (DEF_PREDICTOR): New argument FLAGS.
5520 * profile.c (compute_branch_probabilities): Cleanup way the edge
5521 probabilities are computed and REG_BR_PROB notes are dropped; if
5522 values does not match, emit error.
5523 (init_branch_prob): Do error instead of warning when profile driven
5524 feedback is missing or corrupt.
5526 2001-07-27 DJ Delorie <dj@redhat.com>
5528 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
5529 against a constant, try to adjust the compare to have the desired
5530 constant in it so that min/max optimizations happen more often.
5532 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5534 * flow.c (last_loop_beg_note): New function.
5535 (redirect_edge_and_branch): Use it.
5536 (split_edge): Likewise.
5538 * alias.c (loop_p): Avoid uninitialized memory access.
5540 * flow.c (try_forward_edges): Avoid accessing freed memory.
5542 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
5545 2001-07-26 Andrew Haley <aph@redhat.com>
5546 Joern Rennecke <amylaar@redhat.com>
5548 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
5549 (SUBTARGET_CPP_ENDIAN_SPEC): New.
5550 (SUBTARGET_CPP_SPEC): New.
5552 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
5553 (SUBTARGET_CPP_PTR_SPEC): New.
5554 (CPP_DEFAULT_CPU_SPEC): New.
5555 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
5556 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5557 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
5558 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
5559 (SUBTARGET_CPP_SPEC): Define as an empty string.
5561 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5563 * doc/install.texi (Configuration): Properly link the host
5564 specific instructions also when generating HTML.
5566 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
5568 * flow.c (redirect_edge_and_branch_force): Test
5569 target->global_live_at_start.
5571 2001-07-26 Richard Henderson <rth@redhat.com>
5573 * simplify-rtx.c (avoid_constant_pool_reference): Export.
5574 * rtl.h (avoid_constant_pool_reference): Declare it.
5575 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
5576 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
5578 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
5580 * rtl.h (cleanup_barriers): Declare.
5581 * jump.c (cleanup_barriers): New function.
5582 * toplev.c (rest_of_compilation): Call cleanup_barriers
5583 before loop optimizer and after bb_reorder.
5585 * flow.c (back_edge_of_syntactic_loop_p): New.
5586 (split_edge): Use it.
5588 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5590 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
5592 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
5594 * cse.c (cse_process_notes): Replace any registers if the address
5597 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
5599 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
5600 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
5601 (propagate_block): Update prototype.
5602 * flow.c (update_life_info): Simplify the CFG and
5603 recalculate the global regs which are alive when
5604 removing dead code during a global update.
5605 (propagate_block): Return non-zero if an INSN is
5608 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5610 * Makefile.in (LIBICONV): Define.
5612 2001-07-26 Catherine Moore <clm@redhat.com>
5614 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
5615 of conditional to avoid tree checking errors.
5617 2001-07-26 Kazu Hirata <kazu@hxi.com>
5619 * regmove.c (regmove_optimize): Don't replace a reg with
5620 another reg of a different mode.
5622 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
5624 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
5625 limit length of dependancy flush list.
5626 * params.h (MAX_PENDING_LIST_LENGTH): Define.
5627 * sched-int.h (struct deps): Add pending_flush_length field.
5628 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
5629 has 1 element in it.
5630 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
5631 (sched_analyze): After a jump, if the pending memory flush list is too
5632 large, flush the pending lists.
5633 (init_deps): Initialize pending_flush_length to 0.
5634 * doc/invoke.texi (max_pending_list_length): Document parameter.
5636 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
5638 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
5639 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
5640 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
5642 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5644 * cpphash.h (struct_lexer_state): Delete was_skipping.
5645 Move skipping here from struct cpp_reader.
5646 * cpplex.c (parse_identifier): Update.
5647 (_cpp_lex_token): Don't skip tokens in a directive.
5648 * cpplib.c (struct if_stack): Update.
5649 (start_directive, end_directive): Don't change skipping state.
5650 (_cpp_handle_directive): Update.
5651 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
5652 (do_else, do_endif): Update; only check for excess tokens if not
5653 in a skipped conditional block.
5654 (push_conditional): Update for new struct if_stack.
5656 2001-07-26 Graham Stott <grahams@redhat.com>
5658 * function.c (locate_and_pad_parm): Also pad initial offset
5659 so that the total argument size also includes the padding.
5661 2001-07-26 Graham Stott <grahams@redhat.com>
5663 * gensupport.c (alter_output_for_insn): Correct enable checking failure
5664 change XSTR to XTMPL.
5666 (process_one_cond_exec): Likewise
5668 2001-07-25 Richard Henderson <rth@redhat.com>
5670 * varasm.c (assemble_variable): Create DECL_RTL before setting
5673 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
5675 * predict.c (estimate_probability): Avoid duplicated predictions.
5677 * loop.c (find_and_verify_loops): Grok multiple barriers.
5679 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5681 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
5683 * dbxout.c: Consistently use putc instead of fputc.
5684 (print_wide_int): New function; call instead of direct fprintf.
5685 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
5686 (dbxout_type_fields, dbxout_type_method_1): Likewise.
5687 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
5688 (print_int_cst_octal): Likewise.
5689 (print_octal): Show we wrote characters.
5690 (dbxout_type): Set have_used_extensions in more places.
5692 2001-07-25 Catherine Moore <clm@redhat.com>
5694 * config/v850/v850.c (v850_va_arg): Use addr
5695 instead of valist to build incr.
5697 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
5699 * flow.c (delete_dead_jumptables): New function.
5700 (life_analyzis): Call it.
5701 * bb-reorder.c (skip_insns_after_block): Handle contradictory
5704 2001-07-25 Richard Henderson <rth@redhat.com>
5706 * except.c (reachable_handlers): Handle a region being removed
5707 out from under a RESX.
5709 2001-07-25 Richard Henderson <rth@redhat.com>
5711 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
5712 swap GE/GT if it is an fp comparison.
5714 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
5716 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
5719 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
5721 * ssa.c (rename_insn_1): Do not wrap an assignment to a
5722 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
5725 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
5727 (visit_expression): When attempting to simplify an expression,
5728 retrieve any modes for arguments before they are simplified
5731 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
5732 Janis Johnson <janis@us.ibm.com>
5734 * stmt.c (expand_goto): A nonlocal goto can be a call too.
5735 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
5736 pointer parameters to match documented usage of nonlocal_goto.
5737 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
5738 parameters to their correct order.
5739 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
5740 parameters to their correct order.
5742 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
5744 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
5746 2001-07-25 Jan Hubicka <jh@suse.cz>
5747 Richard Henderson <rth@redhat.com>
5749 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
5751 (make_edges): New argument update_p; populate the edge cache if set.
5752 (find_basic_blocks): Update make_edges invocation.
5754 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5756 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
5758 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5760 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
5761 -Acpu and -Amachine.h.
5762 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
5763 Corrected header to say ELF not a.out.
5764 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
5765 when given -msoft-float.
5767 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5769 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
5770 extra multilib parts like arm-elf.
5771 (i960-*-coff*, i960-*-rtems): Should not use collect2.
5772 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
5773 crtfini.o as extra multilib parts.
5775 2001-07-24 Joel Sherrill <joel@OARcorp.com>
5777 * configure.in: Add rtems as a supported thread model.
5778 * gthr-rtems.h: Add missing entry point __gthread_active_p.
5779 * configure: Rebuilt.
5781 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
5783 * stor-layout.c (get_mode_alignment): make it work when
5784 BITS_PER_UNIT is not a power of two.
5785 * builtins.c (get_pointer_alignment): Likewise.
5787 2001-07-24 Richard Henderson <rth@redhat.com>
5789 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
5790 the retrieved constant into the expected mode.
5792 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5794 * flow.c (try_simplify_condjump): Avoid duplicated edges.
5795 (verify_flow_info): Check for duplicated edges; clarify
5798 * flow.c (block_label): Update basic_block_for_insn.
5799 (commit_edge_insertions): Call compute_bb_for_insn.
5801 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
5804 * flow.c (redirect_edge_and_branch,
5805 try_optimize_cfg): Use redirect_edge_succ_nodup
5806 (redirect_edge_succ_nodup): New.
5807 * basic_block.h (redirect_edge_succ_nodup): Declare.
5809 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
5812 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
5814 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
5815 (try_crossjump_to_edge): Update commetns.
5816 (try_crossjump_bb): Likewise.
5818 2001-07-24 Richard Henderson <rth@redhat.com>
5820 * combine.c (distribute_notes): Move set of need_refresh
5821 for noop_move_p down to catch all cases.
5823 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
5825 * recog.c (split_all_insns_noflow): New.
5826 * rtl.h (split_all_insns_noflow): Declare.
5827 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
5828 * m68hc11.c (m68hc11_reorg): Likewise.
5829 * sh.c (machine_dependent_reorg): Likewise.
5830 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
5833 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
5835 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
5836 (ashlsi3_n splitter): Likewise.
5837 (lshrsi3_n splitter): Likewise.
5839 (GOTaddr2picreg): Make const SImode.
5840 (sym_label2reg): Likewise.
5841 (symGOT2reg): Likewise.
5842 (symGOTOFF2reg) Likewise.
5844 (casesi_worker_0): Make unspec SImode.
5846 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
5848 * config/sh/sh.c (barrier_align): Check that an operand really is
5849 an insn before extracting its INSN_CODE.
5851 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
5853 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
5856 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
5857 for SImode to prevent overflow.
5859 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5861 * config/mips/irix6-libc-compat.c: New file.
5862 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
5863 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
5866 2001-07-24 lars brinkhoff <lars@nocrew.org>
5868 * rtl.texi (REG_POINTER): Document.
5869 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
5870 QFmode, HFmode, TQFmode, QCmode, and HCmode.
5872 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
5874 * flow.c (delete_noop_moves): Do not confuse libcall regions.
5876 2001-07-23 Richard Henderson <rth@redhat.com>
5878 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
5880 2001-07-23 Kazu Hirata <kazu@hxi.com>
5882 * config/h8300/h8300-protos.h: Add a prototype for
5883 general_operand_dst_push.
5884 * config/h8300/h8300.c (general_operand_dst_push): New.
5885 * config/h8300/h8300.h (OK_FOR_T): New.
5886 (EXTRA_CONSTRAINT): Use it.
5887 * config/h8300/h8300.md (movqi_push): Remove and integrate into
5888 the existing movqi pattern.
5889 (movhi_push): Likewise.
5891 * reload.c: Fix comment typos.
5893 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
5895 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
5897 2001-07-23 H.J. Lu (hjl@gnu.org)
5899 * doc/extend.texi: Update __builtin_return_address and
5900 __builtin_frame_address.
5902 2001-07-23 Richard Henderson <rth@redhat.com>
5904 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
5906 * config/i386/i386.md: New setcc+movzbl peephole2.
5908 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5910 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
5911 * objc/objc-act.c: Include debug.h.
5912 (synth_module_prologue): Save and restore debug hooks too.
5914 2001-07-23 lars brinkhoff <lars@nocrew.org>
5916 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
5917 and C4X_FLOAT_FORMAT.
5918 (BOOL_TYPE_SIZE): Document.
5920 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
5922 * unroll.c (loop_iterations): Fix miscalculation of initial
5925 2001-07-13 Andrew Haley <aph@redhat.com>
5927 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
5928 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
5929 * config/sh/sh.c (sh_can_redirect_branch): New function.
5930 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
5931 * reorg.c (steal_delay_list_from_target): Use
5932 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
5934 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
5936 * flow.c (try_simplify_condjump): Unlink insn chain on
5937 fallthru edge; use can_fallthru.
5939 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
5941 * basic-block.h (find_sub_basic_block): Declare.
5942 * flow.c (make_edges): New arguments MIN and MAX;
5943 (find_sub_basic_blocks): Revamp to use make_edges
5944 and purge_dead_edges.
5945 (find_basic_blocks): Update call of find_sub_basic_block.
5947 * recog.c (split_all_insns): Always expect CFG to be consistent;
5948 call find_sub_basic_blocks in case something has changed.
5949 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
5952 * basic-block.h (delete_noop_moves): Declare.
5953 * combine.c (combine_instructions): Call it.
5954 (recog_for_combine): Tolerate noop moves
5955 (distribute_notes): Force refresh when register dies at noop move.
5956 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
5958 (life_analysis): Update delete_noop_moves call.
5959 (set_noop_p): Move too ...
5960 * rtlanal.c (noop_move_p): ... here.
5961 * rtl.h (noop_move_p): Declare.
5963 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
5964 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
5966 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
5967 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
5969 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
5971 * reload.c (push_reload): Fix typo in comment.
5972 (find_reloads_address): Ditto.
5973 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
5975 2001-07-22 Richard Henderson <rth@redhat.com>
5977 * flow.c: Grammar check and clarify a lot of comments.
5978 (try_simplify_condjump): Rename variables to be clearer.
5979 (try_forward_edges): Skip complex and fallthru edges.
5980 Rearrange tests to avoid duplicate checks.
5981 (flow_find_cross_jump): Likewise.
5982 (outgoing_edges_match): Allow match if neither branch has
5983 probability data. Loosen probability match to 5%.
5984 (try_crossjump_to_edge): Hoist repeated indirection into
5986 (try_crossjump_bb): Don't check complex edges. Eliminate
5987 redundant crossjump tests.
5988 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
5989 checks before more expensive checks.
5991 2001-07-22 Richard Henderson <rth@redhat.com>
5993 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
5994 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
5997 2001-07-22 Richard Henderson <rth@redhat.com>
5999 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
6000 (const_sint32_operand): Likewise.
6001 * m68k.md (anon mulsi pattern): Use const_int_operand not
6002 const_sint32_operand.
6003 (umulsi3_highpart): Zero extend a constant input.
6004 (smulsi3_highpart): Don't bother checking SImode constant.
6005 (const_umulsi3_highpart): Give op3 DImode.
6006 (const_smulsi3_highpart): Likewise.
6008 2001-07-22 Richard Henderson <rth@redhat.com>
6010 * flow.c (split_block): Make sure bb_note is included in the
6011 new block when splitting before a label.
6013 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
6015 * basic-block.h (redirect_edge_and_branch_force,
6016 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
6017 * flow.c (redirect_edge_and_branch_force,
6018 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
6019 (redirect_edge_and_branch_force): Fix copying of lifeness information.
6020 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
6021 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
6022 instead of label; update CFG after transformation.
6023 (find_if_case_1): Update call, use redirect_edge_and_branch_force
6024 for finishing the transformation; handle even case where ELSE
6025 does not follow THEN.
6026 (find_if_case_2): Update call of dead_or_predictable; simplify
6029 * emit-rtl.c (split_branch_probability): New global variable.
6030 (try_split): Take care to set split_branch_probability and
6031 create REG_BR_PROB note for new jump insns.
6032 * md.texi (define_split): Document new feature.
6034 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
6036 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6038 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
6039 (asm_out_file): Remove redundant declaration.
6040 (assemble_asm): Remove old #if 0 block.
6041 (assemble_variable): Remove end of function; debug output is
6042 now handled with global_decl. Remove old #if 0 block. Update.
6043 Remove saved_in_section and associated no-op code.
6044 * Makefile.in (varasm.o): Correct dependencies.
6046 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
6048 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
6049 the definition in defaults.h.
6051 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
6053 * jump.c: Update comments.
6054 (delete_barrier_successors, delete_unreferenced_labels,
6055 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
6056 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
6057 jump_optimize, jump_optimize_minimal): Kill.
6058 (rebuild_jump_labels): Move code from jump_optimize_1.
6059 (purge_line_number_notes): Likewise.
6060 (copy_loop_headers): Likewise.
6061 * reg-stack.c: Update comment.
6063 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
6064 JUMP_AFTER_REGSCAN): Kill.
6065 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
6066 purge_line_number_notes and copy_loop_headers.
6068 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
6069 Richard Henderson <rth@redhat.com>
6071 * dbxout.c (dbxout_global_decl): New.
6072 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6073 * sdbout.c (sdbout_finish): New.
6074 (sdbout_debug_hooks): Use it, add comments.
6075 (sdbout_global_decl): Defer initialised public vars to
6077 * varasm.c (assemble_variable): Don't output debug information
6078 for file-scope variables.
6080 2001-07-22 Richard Henderson <rth@redhat.com>
6082 * config/alpha/alpha.c (get_trap_mode_suffix): New.
6083 (get_round_mode_suffix): New.
6084 (print_operand): Use them for [/]. Remove support for [&'`()+].
6085 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
6086 * config/alpha/alpha.md (attr round_suffix): New.
6087 (attr trap_suffix): New.
6088 (all insns): Set them appropriately. Use %/ instead of the
6091 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6093 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
6095 2001-07-22 Richard Henderson <rth@redhat.com>
6097 * regrename.c (regrename_optimize): Compute nregs for each
6098 potential target register.
6100 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
6101 Richard Henderson <rth@redhat.com>
6103 * dbxout.c (dbxout_global_decl): New.
6104 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
6105 * sdbout.c (sdbout_finish): New.
6106 (sdbout_debug_hooks): Use it, add comments.
6107 (sdbout_global_decl): Defer initialised public vars to
6109 * varasm.c (assemble_variable): Don't output debug information
6110 for file-scope variables.
6112 2001-07-21 H.J. Lu (hjl@gnu.org)
6114 * config/mips/mips.c (mips_cpu): Moved into ...
6115 (override_options): Here.
6117 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
6119 (mips_cpu): Removed.
6121 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6123 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
6124 ("iorqi3"): Likewise.
6125 ("xorqi3"): Likewise.
6126 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
6127 ("*subhi3_sp): Likewise.
6128 ("*subhi3"): Likewise.
6129 ("extendhisi2"): Accept D, X and Y as source operand to avoid
6132 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
6134 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
6135 * config/freebsd.h: Likewise.
6136 * config/linux.h: Likewise.
6137 * config/openbsd.h: Likewise.
6138 * config/alpha/linux-elf.h: Likewise.
6139 * config/arm/linux-elf.h: Likewise.
6140 * config/d30v/d30v.h: Likewise.
6141 * config/fr30/fr30.h: Likewise.
6142 * config/ia64/aix.h: Likewise.
6143 * config/ia64/ia64.h: Likewise.
6144 * config/mips/linux.h: Likewise.
6145 * config/pj/pj.h: Likewise.
6146 * config/rs6000/linux.h: Likewise.
6147 * config/sparc/linux.h: Likewise.
6148 * config/sparc/linux64.h: Likewise.
6150 2001-07-20 Bruce Korb <bkorb@gnu.org>
6152 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
6153 because getc() and char* may disagree on signedness.
6155 2001-07-20 Richard Henderson <rth@redhat.com>
6157 * doc/rtl.texi (REG_DEAD): Update for current semantics.
6159 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
6160 insns to delete in the presence of cc0 in a jump insn.
6162 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
6163 Jan Hubicka <jh@suse.cz>
6165 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
6166 of doing the change by hand.
6168 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
6170 * rtlanal.c (set_noop_p): Return true for noop jumps.
6172 * expr.c (emit_single_push_insn): Add call to push expander.
6173 * expr.h (optab_index): Add OTI_push
6174 (push_optab): New constant.
6175 * genopinit.c (optabs): Add push_optab.
6176 * optabs.c (init_optab): Init push optab.
6177 * md.texi (push??1): Document
6179 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6181 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
6182 expand to emit the pattern; put a REG_INC note for push/pop
6184 ("movdf", "movdf_internal"): Likewise.
6185 ("movsi", "movsi_internal"): Likewise.
6186 ("movsf", "movsf_internal"): Likewise.
6187 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
6189 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6191 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
6194 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
6196 * params.def: Change default max inline insns to 100.
6198 2001-07-20 Diego Novillo <dnovillo@redhat.com>
6200 * combine.c (combine_simplify_rtx): Generate a new shift operation
6201 when simplifying the first operand of a (neg (ashift)) expression.
6203 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6205 * regclass.c (N_REG_INTS): Use only 32 bits per element.
6207 2001-07-20 Kelley Cook <kelley.cook@home.com>
6209 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
6210 information. Move rest into ...
6211 (*-*-solaris): ... here. Eliminate redundant information and
6212 reword necessary packages section. Delete 4.x assembler bug info.
6213 (sparc-sun-*): Merge into ...
6214 (sparc-sun-sunos*): here.
6216 2001-07-20 Catherine Moore <clm@redhat.com>
6218 * config/v850/v850.md (casesi): Generate LABEL_REF
6221 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
6223 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
6224 * i386.c (ix86_zero_extend_to_Pmode): Make global.
6225 * i386.md (strclrsi expander): Use it.
6227 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6229 * integrate.c (copy_insn_list): handle
6230 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
6231 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
6232 identically as to CODE_LABEL.
6234 * fold-const (fold): Convert A/B/C to A/(B*C) and
6237 * except.c (connect_post_landing_pads): Delete the RESX insns.
6239 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
6241 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
6243 * config/mips/mips.md (nmadd/nmsub): Use macro.
6245 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
6247 * cppinit.c (remove_dup_dir): Make static.
6248 (remove_dup_dirs): Make static. Only warn about preempting a
6249 system directory with a non-system directory.
6251 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6253 * ifcvt.c (noce_try_store_flag_constants): Correct order
6254 of parameters to trunc_int_for_mode.
6256 2001-07-19 Mark Mitchell <mark@codesourcery.com>
6258 * reorg.c (fill_simple_delay_slots): If an instruction might throw
6259 an exception that will be caught within this function, do not fill
6260 its delay slot with any subsequent instruction.
6262 2001-07-19 Steve Ellcey <sje@cup.hp.com>
6264 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
6265 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
6266 pointer extension instruction.
6267 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
6268 * simplify-rtx.c (simplify_unary_operation) Likewise.
6269 * explow.c (convert_memory_address) Check value of
6270 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
6272 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
6273 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
6274 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
6275 Add Multilib Support.
6276 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
6277 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
6278 Add Multilib Support.
6279 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
6281 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
6282 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
6283 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
6285 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
6287 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
6288 old and new operands in `<', `3' and `b'.
6290 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6292 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
6293 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
6294 (toplev.o): Don't depend on xcoffout.h.
6295 * c-decl.c: Include debug.h
6296 (duplicate_decls): Use debug hook.
6297 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
6298 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6299 (dbxout_types): Remove.
6300 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
6301 * debug.c (do_nothing_debug_hooks): Update.
6302 (debug_true_tree, debug_nothing_rtx): New.
6303 * debug.h (struct rtx_def): New.
6304 (struct gcc_debug_hooks): New hooks ignore_block,
6305 outlining_inline_function and label.
6306 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
6307 dwarf2out_frame_finish): New.
6308 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
6309 Make static, update prototype.
6310 (dwarf2_debug_hooks): Update.
6311 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
6312 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
6313 * dwarfout.c (dwarf_debug_hooks): Update.
6314 * emit-rtl.c: Include debug.h.
6315 (remove_unnecessary_notes): Use debug hook.
6316 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
6317 (final_scan_insn): Use debug hook.
6318 * integrate.c (output_inline_function): Use debug hook.
6319 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
6320 (sdb_debug_hooks): Update.
6321 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
6322 * toplev.c: Don't include xcoffout.h.
6323 (note_outlining_of_inline_function, debug_ignore_block): Remove.
6324 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
6326 * tree.h (dwarf2out_do_frame): Remove.
6328 2001-07-19 Catherine Moore <clm@cygnus.com>
6330 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
6332 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
6334 * reload1.c (eliminate_regs_in_insn): When updating a set
6335 to the frame pointer to the hardware frame pointer, perform
6336 the update always not just when REPLACE is set.
6338 * reload1.c (choose_reload_regs): Don't inherit a reload
6339 that crosses multiple registers if registers past the first
6340 don't fit in the desired class.
6342 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
6343 when negating constants.
6345 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
6347 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
6348 * doc/tree.texi: Ditto.
6350 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
6351 Jakub Jelinek <jakub@redhat.com>
6353 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
6354 (extract_cie_info): Handle "eh" augmentation properly,
6356 (struct frame_state, __frame_state_for): New.
6358 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6360 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
6361 HANDLE_SYSV_PRAGMA): Define.
6362 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
6364 (copy_object): Caller changed.
6366 2001-07-19 Andreas Schwab <schwab@suse.de>
6368 * configure.in (assembler dwarf2 debug_line support): Define nop
6370 * configure: Regenerated.
6372 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6374 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
6376 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
6377 to conditionally compiled block.
6378 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6379 * dbxout.h (dbxout_function): Remove.
6380 * debug.c (do_nothing_debug_hooks): Update.
6381 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
6382 global_decl, deferred_inline_function.
6383 * dwarf2out.c (dwarf2_debug_hooks): Update.
6384 (dwarf2out_global_decl): New.
6385 * dwarfout.c: Don't include dwarfout.h.
6386 (dwarfout_global_decl, dwarfout_function_decl,
6387 dwarfout_deferred_inline_function): New.
6388 (dwarf_debug_hooks): Update.
6389 * dwarfout.h: Remove.
6390 * final.c: Don't include dwarfout.h.
6391 * sdbout.c (sdbout_global_decl): New.
6392 (sdbout_debug_hooks): Update.
6393 * toplev.c: Don't include dwarfout.h.
6394 (check_global_declarations, rest_of_compilation): Use new debug hooks.
6395 (note_deferral_of_defined_inline_function): Remove.
6396 * toplev.h (note_deferral_of_defined_inline_function): Remove.
6397 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
6398 * ch/lex.c: Don't include dwarfout.h.
6399 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
6400 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
6401 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
6402 * cp/optimize.c: Include debug.h.
6403 (maybe_clone_body): Use debug hook.
6404 * cp/semantics.c: Include debug.h.
6405 (expand_body): Use debug hook.
6406 * po/POTFILES.in: Remove dwarfout.h.
6408 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
6410 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
6411 * c-parse.in (yyerror, _yylex): Similarly.
6412 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
6413 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
6415 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
6416 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
6418 2001-07-18 Jeff Sturm <jsturm@one-point.com>
6420 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
6421 in-class declaration at -g1. Fixes c++/2814.
6423 2001-07-18 Richard Henderson <rth@redhat.com>
6425 * doc/md.texi (reload_in/out): Document restrictions in predicates
6426 and constraints for these patterns. Document empty string matching
6429 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6431 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
6433 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6435 * cse.c: Undo my previous patch.
6437 2001-07-18 Tom Tromey <tromey@redhat.com>
6440 * configure: Rebuilt.
6441 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
6443 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
6445 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
6446 Jan Hubicka <jh@suse.cz>
6448 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
6449 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
6450 * jump.c (mark_jump_label): Do not forward branches.
6452 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
6454 * cse.c (delete_trivially_dead_insns): Delete the libcall block
6455 when return value is unused.
6457 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
6459 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
6461 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
6463 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
6464 on error. We can't blindly return the result of
6465 pthread_mutex_trylock because it returns a positive number on
6466 error, while we must return -1 on error.
6467 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
6469 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
6471 2001-07-18 Andreas Jaeger <aj@suse.de>
6473 * integrate.c (output_inline_function): Correct type of debug_hooks.
6475 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
6477 * combine.c (combine_simplify_rtx): DIV can be treated
6478 associatively for floats if unsafe math optimisations are enabled.
6480 2001-07-17 Richard Henderson <rth@redhat.com>
6482 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
6484 2001-07-17 Richard Henderson <rth@redhat.com>
6486 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
6487 don't force the function address into a register.
6488 (expand_call, emit_library_call_value_1): Update callers.
6489 * builtins.c (expand_builtin_apply): Likewise.
6490 * expr.h (prepare_call_address): Update decl.
6492 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
6494 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
6496 * config/i386/chorus.h: Move up.
6497 * config/sparc/chorus.h: Likewise.
6498 * config/rs6000/chorus.h: Likewise.
6499 * config/chorus.h: Moved here.
6501 2001-07-17 Andreas Schwab <schwab@suse.de>
6503 * configure.in (assembler eh_frame optimization): Handle big
6505 * configure: Regenerated.
6507 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
6509 * expr.c (epxand_expr): Convert divisions into multiplications by
6510 reciprocals if -ffast-math.
6512 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
6514 * dbxout.c (dbxout_really_begin_function): Rename to
6515 dbxout_begin_function.
6516 (dbx_debug_hooks, xcoff_debug_hooks): Update.
6517 (dbxout_begin_function): Remove.
6518 (dbxout_function): Update.
6519 (dbxout_source_line): Update prototype.
6520 * dbxout.h (dbxout_begin_function): Remove.
6521 * debug.c (do_nothing_debug_hooks): Update.
6522 (debug_nothing_tree): Update.
6523 (debug_nothing_charstar_rtx): Remove.
6524 * debug.h (union tree_node): Declare.
6525 (struct rtx_def): Remove.
6526 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
6527 begin_function. Change source_line prototype.
6528 (debug_nothing_tree): New.
6529 (debug_nothing_charstar_rtx): Delete.
6530 (dwarf2out_begin_prologue): Moved from ...
6532 * dwarf2out.c (dwarf2_debug_hooks): Update.
6533 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
6534 debug info, call dwarf2out_source_line.
6535 (dwarf2out_souce_line): Update prototype.
6536 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
6537 Change prototype, make static.
6538 (dwarfout_source_line): Update prototype.
6539 (dwarf_debug_hooks): Update.
6540 * dwarfout.h (dwarfout_begin_function): Remove.
6541 * final.c (final_start_function, final_scan_insn): Use appropriate
6542 debug hooks, update to use notice_source_line.
6543 (output_source_line): Rename notice_source_line. Don't call the
6544 source_line debug hook.
6545 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
6546 make static, update prototype.
6547 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
6549 (sdbout_end_prologue): New.
6550 (sdbout_source_line): Update prototype.
6551 (sdbout_debug_hooks): Update.
6552 (sdbout_symbol): Remove unused var.
6553 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
6555 * varasm.c: Include debug.h.
6556 (assemble_start_function): Use begin_function debug_hook.
6557 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6558 update with prototype.
6559 (xcoffout_source_line): Update prototype.
6560 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
6562 (xcoffout_source_line): Update prototype.
6564 2001-07-17 Richard Henderson <rth@redhat.com>
6566 * c-typeck.c (build_binary_op): Do not shorten unsigned
6567 right shift after sign extension.
6569 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
6571 * combine.c (combine_simplify_rtx): Attempt to simplify
6572 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
6574 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
6575 (simplify_binary_operation, simplify_unary_operation,
6576 simplify_relational_operation): Use it.
6578 * combine.c (combine_simplify_rtx): Don't do associative law
6579 on divisions; allow associative law on floats.
6581 2001-07-17 H.J. Lu <hjl@gnu.org>
6582 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6584 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
6585 ASM_OUTPUT_WEAK_ALIAS are defined.
6586 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
6587 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
6589 * config/mips/iris5.h: ... here.
6590 (HANDLE_SYSV_PRAGMA): Defined as 1.
6591 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
6592 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
6595 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
6597 * c-parse.in (all_prefix_attributes): New variable.
6598 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
6599 (maybe_resetattrs): New production.
6600 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
6601 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
6602 notype_initdcl, nested_function, notype_nested_function,
6603 component_decl, components, components_notype,
6604 component_declarator, component_notype_declarator,
6605 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
6606 ivars, mydecl, myparm): Update. Avoid prefix attributes just
6607 after a comma being applied to more than one declarator.
6608 * doc/extend.texi (Attribute Syntax): Update. Remove
6609 documentation of bugs that are no longer present.
6611 2001-07-13 Eric Christopher <echristo@redhat.com>
6613 * config/mips/mips.h: Change TUNE_MIPS* options to use
6615 (EXTRA_SPECS): Add cc1_cpu_spec.
6616 * config/mips/mips.md (muldf3): Fix typo.
6618 2001-07-16 Richard Henderson <rth@redhat.com>
6620 * config/m68k/m68k.c: Include expr.h and reload.h.
6621 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
6622 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
6624 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6625 Richard Henderson <rth@redhat.com>
6627 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
6628 (insn_live_p): Fix fall off end of function.
6629 (dead_libcall_p): Remove COUNTS argument; update callers.
6630 (delete_trivially_dead_insns): Remove unused variables.
6632 2001-07-17 Andreas Jaeger <aj@suse.de>
6634 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
6637 * lcm.c (optimize_mode_switching): Avoid warning for unused
6638 variable if !NORMAL_MODE.
6640 * flow.c (try_crossjump_to_edge): Remove unused variable.
6642 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
6644 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
6645 atexit declaration in stdlib.h.
6647 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
6649 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
6651 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6653 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
6654 * except.c (finish_eh_generation): Update call of cleanup_cfg;
6655 do rebuild_jump_labels instead of jump_optimize
6656 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
6657 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
6658 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
6660 * flow.c: Include timevar.h
6661 (find_basic_block): Push/pop timevar;
6662 (cleanup_cfg): Likewise.
6663 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
6664 * Makefile: Add dependencies on timevar.h
6666 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
6667 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
6669 * rtl.h (delete_trivially_dead_insns): Add new parameter.
6670 * toplev.c (rest_of_compilation): Update calls.
6671 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
6672 (delete_trivially_dead_insns): ... here; accept new argument
6673 preserve_basic_blocks; preserve basic blocks if set.
6675 * reg-stack.c (stack_regs_mentioned): Return 0 if
6676 stack_regs_mentioned_data is not initialized.
6677 (reg_to_stack): Make stack_regs_mentioned survive after the
6678 reg-stack is completted; do not call cleanup_cfg.
6679 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
6680 make cleanup_cfg after bb-reorder to output to debug file.
6682 2001-07-16 Richard Henderson <rth@redhat.com>
6684 * regclass.c (init_reg_sets): Use only 32 bits per initializer
6685 from int_reg_class_contents.
6687 2001-07-16 Richard Henderson <rth@redhat.com>
6689 * hard-reg-set.h (regs_invalidated_by_call): Declare.
6690 * regclass.c (regs_invalidated_by_call): Move from cse.c.
6691 (init_reg_sets_1): Move initialization from cse_main.
6692 * cse.c (regs_invalidated_by_call): Move to regclass.c.
6693 (cse_main): Move its initialization also.
6694 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
6695 * flow.c (propagate_one_insn): Likewise.
6696 * gcse.c (compute_hash_table): Likewise.
6697 (compute_kill_rd, compute_store_table): Likewise.
6698 * sched-deps.c (sched_analyze_1): Likewise.
6700 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
6702 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
6705 2001-07-16 Steve Ellcey <sje@cup.hp.com>
6707 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
6708 in if statement so we don't access undefined memory.
6710 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
6712 * gcse.c: Update comment at top.
6713 Update comment on mem handling.
6714 mem_last_set, mem_first_set, mem_set_in_block: gone.
6715 Declaration of reg_set_info: gone.
6716 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
6717 pointless with load_killed_in_block_p (they are *more*
6718 conservative then it, not less, and less accurate).
6719 (oprs_not_set_p): Ditto.
6720 (alloc_gcse_mem): Don't allocate mem_set_in_block
6721 (free_gcse_mem): Don't free it, either.
6722 (record_last_mem_set_info): Update comment in front, remove
6723 mem_*set_* stuff. Note the reason we don't handle stores directly
6725 (compute_hash_table): Update comments to reflect reality. Remove
6726 mem_*set_* references.
6727 (reset_opr_set_tables): Remove mem_*set_* references.
6729 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
6730 (mark_clobber): Ditto (on both parts, we double set here too).
6731 (expr_killed_p): Remove mem_set_in_block test.
6732 (compute_transp): Remove mem_set_in_block test.
6734 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
6735 of edge, and removal of phi alternative to dump file.
6736 (ssa_ccp_substitute_constants): Add note about register now being
6737 constant, and which uses were replaced in what insns to dump file.
6739 2001-07-16 Andreas Jaeger <aj@suse.de>
6741 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
6742 variables of type HOST_WIDEST_INT.
6744 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
6745 (__bb_exit_func): Correct type of count_max to avoid overflow.
6746 (num_digits): Handle long long argument.
6748 * combine.c (gen_lowpart_for_combine): Remove unused variable.
6750 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
6752 * output.h (sdb_begin_function_line): Restore as an extern
6754 * sdbout.c (sdb_begin_function_line): Make extern.
6756 2001-07-15 Richard Henderson <rth@redhat.com>
6758 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
6759 * genrecog.c (maybe_both_true_mode): New.
6760 (maybe_both_true_2): Use it.
6761 (write_switch): Don't put Pmode in a switch.
6762 * rtl.c (mode arrays): Don't explicitly size them.
6764 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
6766 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
6767 handling; move unconditional splitting before mode switching.
6769 * i386.md (type): Add fistp type.
6770 (i387, length_attr, scheduling definitions): Handle this type.
6771 (fix_trunc?f?i2): Revamp to use mode switching.
6772 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
6773 * i386.h (fp_cw_mode): New enum
6774 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
6775 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
6777 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6779 * Makefile.in (integrate.o): Add debug.h.
6780 * integrate.c (debug.h): Add.
6781 (output_inline_function): Save, reset, and restore debug_hooks.
6783 2001-07-15 Richard Henderson <rth@redhat.com>
6785 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
6786 instead of COMPARE for the EQUIV expression.
6788 2001-07-15 Richard Henderson <rth@redhat.com>
6790 * flow.c (redirect_edge_and_branch_force): Initialize
6791 global_live_at_start and global_live_at_end.
6792 (allocate_bb_life_data): Export.
6793 * basic-block.h (allocate_bb_life_data): Declare.
6794 * toplev.c (rest_of_compilation): Call it.
6796 2001-07-15 Richard Henderson <rth@redhat.com>
6798 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
6799 (alpha_tablejump_best_label): New.
6800 * config/alpha/alpha-protos.h: Declare them.
6801 * config/alpha/alpha.md: Use braced strings for code blocks.
6802 (tablejump_osf): Break out add with r29.
6803 (tablejump_osf_internal): Remove.
6804 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
6805 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
6807 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
6809 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
6812 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
6814 * i386-protos.h (ix86_split_fp_branch): Update prototype.
6815 (ix86_fp_jump_nontrivial_p): New.
6816 * i386.md (fp_jcc_?): Update call of split_fp_branch;
6817 use ix86_fp_jump_nontrivial_p.
6818 * i386.c (ix86_fp_jump_nontrivial_p): New.
6819 (ix86_split_fp_branch): Accept code instead of rtx.
6820 (ix86_expand_compare): Expand comparison early in case
6821 doing so is resonably cheap.
6823 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
6825 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
6827 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
6828 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
6830 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
6832 * dbxout.c (dbxout_source_line): Make static, update prototype.
6833 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
6834 (dbxout_init, dbxout_finish, dbxout_source_line,
6835 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
6836 * dbxout.h (dbxout_source_line): Delete.
6837 * debug.c (debug_nothing_file, debug_nothing_file_int,
6838 debug_nothing_file_charstar_rtx): New.
6839 (do_nothing_debug_hooks): Update.
6840 (debug_nothing_void, debug_nothing_charstar_rtx,
6841 dwarf2out_end_epilogue): New.
6842 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
6843 * debug.h (struct rtx_def): Declare.
6844 (gcc_debug_hooks): New hooks source_line, end_epilogue
6846 (debug_nothing_void, debug_nothing_charstar_rtx,
6847 dwarf2out_end_epilogue): New.
6848 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
6849 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
6850 (dwarf2_debug_hooks): Update.
6851 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
6852 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
6853 * dwarf2out.h (dwarf2out_source_line): Remove.
6854 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
6855 Make static, update prototype.
6856 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
6857 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
6858 (dwarf_debug_hooks): Update.
6859 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
6860 dwarfout_end_function): Remove.
6861 * final.c (profile_function): Use debug hooks for ending functions
6863 (output_source_line, final_end_function): Update prototype,
6865 (final_start_function, final_scan_insn): Update.
6866 * output.h (sdb_begin_function_line): Remove.
6867 (final_end_function): Update prototype.
6868 * sdbout.c (sdb_begin_function_line): Make static.
6869 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
6870 (sdbout_source_line): New.
6871 (sdbout_end_epilogue, sdbout_end_function): Make static, update
6873 (sdb_debug_hooks): Update.
6874 (sdbout_init, sdbout_source_line,
6875 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
6876 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
6877 * toplev.c (compile_file, rest_of_compilation): Update.
6878 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
6879 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
6880 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
6881 Update for prototype changes.
6882 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
6883 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
6885 2001-07-15 Richard Henderson <rth@redhat.com>
6887 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
6888 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
6889 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
6890 * config/alpha/alpha.c: Likewise.
6891 * config/alpha/alpha.md: Likewise.
6892 * config/alpha/alpha32.h: Likewise.
6893 * config/alpha/vms.h: Likewise.
6896 2001-07-14 Richard Henderson <rth@redhat.com>
6898 * config/alpha/alpha.md: Use define_constants for unspec values.
6899 Substitute throughout.
6901 2001-07-14 Tim Josling <tej@melbpc.org.au>
6903 * tree.def (EXPON_EXPR) remove. Never supported anyway.
6905 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
6907 * pa.md: Remove unused constraints from define_split's.
6909 2001-04-14 Richard Henderson <rth@redhat.com>
6911 * ifcvt.c (find_cond_trap): Test for exit block.
6913 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
6915 Re-install recently reverted patch.
6916 * emit-rtl.c (try_split): Update mark_jump_label call.
6917 * flow.c (find_sub_basic_blocks): Likewise.
6918 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
6920 (mark_all_labels): Kill second parameter.
6921 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
6922 (rebuild_jump_labels, jump_optimize_minimal): Update call
6924 (jump_optimize_1): Kill crossjumping code.
6925 (mark_jump_label): Kill cross_jump parameter.
6926 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
6927 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
6928 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
6930 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
6932 (dump_file_info): Likewise.
6933 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
6934 reorganize passes to do reg-stack first, bb-reorder second.
6935 * invoke.texi (-d letters doc): Remove the jump2 pass.
6937 2001-07-14 Richard Henderson <rth@redhat.com>
6939 * ifcvt.c (find_cond_trap): New.
6940 (find_if_header): Call it.
6941 (merge_if_block): Relax existing jump sanity check.
6942 * jump.c (jump_optimize_1): Remove conditional trap handling.
6944 2001-07-14 Alan Modra <amodra@bigpond.net.au>
6946 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
6948 (insn_refs_are_delayed): Correct comment.
6949 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
6950 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
6951 instead of r31. Make associated insn !TARGET_64BIT, and
6952 provide an additional 64-bit insn that clobbers r2.
6954 (udivsi3): Likewise.
6956 (umodsi3): Likewise.
6958 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
6960 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
6962 * flow.c (redirect_edge_and_branch_force, split_edge,
6963 try_crossjump_to_edge): Use set_block_for_new_insns.
6964 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
6966 2001-07-13 H.J. Lu (hjl@gnu.org)
6968 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
6971 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
6973 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
6975 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
6977 * c-common.c (decl_attributes): Take a pointer to the node to
6978 which attributes are to be attached, and a flags argument.
6979 * c-common.h (enum attribute_flags): New.
6980 (decl_attributes): Update prototype.
6981 * c-decl.c (start_decl, push_parm_decl, finish_struct,
6982 finish_enum, start_function): Update calls to decl_attributes.
6983 * c-parse.in (component_declarator, component_notype_declarator,
6984 label): Update calls to decl_attributes.
6986 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
6988 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
6989 * config/avr/avr.c (legitimate_address_p): Return value changed
6990 from letter to register classes. For better debugging.
6992 2001-07-13 Kazu Hirata <kazu@hxi.com>
6994 * jump.c (reversed_comparison_code_parts): Fix comment typos.
6996 2001-07-13 H.J. Lu (hjl@gnu.org)
6998 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
7000 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
7002 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
7003 correctly for shared configurations.
7004 * config/t-libgcc-pic: New.
7005 * config/{i386,m68k,sparc}/t-openbsd: New.
7006 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
7007 Support -shared. Support debugging libraries with -g.
7008 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
7009 frame information does not emit pointer diffs.
7010 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
7013 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
7015 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
7017 2001-07-13 David Edelsohn <edelsohn@gnu.org>
7019 * combine.c (try_combine): Ensure const_int pow2 is positive.
7021 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
7023 * config.gcc: Add configuration for s/390.
7024 * config/s390/s390.c: New. Subroutines for code generation.
7025 * config/s390/s390.h: New. Definitions for s/390.
7026 * config/s390/s390-protos.h: New. Prototypes.
7027 * config/s390/linux.h: New. Definitions for linux for s/390.
7028 * config/s390/linux64.h: New. Definitions for linux for zSeries.
7029 * config/s390/t-linux: New. Makefile fragment.
7030 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
7031 * config/s390/fixdfdi.h: New. Fix L_fix*di.
7033 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
7035 * emit-rtl.c (try_split): Update mark_jump_label call.
7036 * flow.c (find_sub_basic_blocks): Likewise.
7037 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
7039 (mark_all_labels): Kill second parameter.
7040 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
7041 (rebuild_jump_labels, jump_optimize_minimal): Update call
7043 (jump_optimize_1): Kill crossjumping code.
7044 (mark_jump_label): Kill cross_jump parameter.
7045 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
7046 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
7047 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
7049 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
7051 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
7052 reorganize passes to do reg-stack first, bb-reorder second.
7053 * invoke.texi (-d letters doc): Remove the jump2 pass.
7055 2001-07-12 Steve Ellcey <sje@cup.hp.com>
7057 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
7059 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
7061 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
7063 (verify_flow_info): Make diagnostics prettier.
7065 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
7067 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
7069 * flow.c (outgoing_edges_match): Return early if condition reversal
7072 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
7074 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
7075 (mips_move_2words): When splitting a move into two instructions,
7076 prefix the second address operand with '%D'.
7078 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
7080 * Makefile.in (final.o): Depend on debug.h.
7081 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
7082 (dbx_debug_hooks): Add new hooks.
7083 (xcoff_debug_hooks): New.
7084 * debug.c (debug_nothing_file_int_int): New.
7085 (do_nothing_debug_hooks): Update.
7086 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
7087 (debug_nothing_file_int_int): New.
7088 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
7089 static, update prototype.
7090 (dwarf2_debug_hooks): Update.
7091 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
7092 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
7093 static, update prototype.
7094 (dwarf_debug_hooks): Update.
7095 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
7096 * final.c: Include debug.h.
7097 (final_scan_insn): Use debug hooks when beginning and ending blocks.
7098 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
7099 static, update prototype.
7100 (sdb_debug_hooks): Update.
7101 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
7102 * toplev.c: Distinguish between xcoff and dbx.
7104 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
7105 Call all debug hooks, not just dwarf ones.
7107 2001-07-11 Timothy Wall <twall@redhat.com>
7109 * config.gcc: Add configuration for AIX5/IA64.
7110 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
7111 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
7112 support prefix/suffix code.
7113 * config/ia64/t-aix: New. Makefile fragment.
7114 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
7116 2001-07-11 Kazu Hirata <kazu@hxi.com>
7118 * recog.c (validate_change): Fix a comment typo.
7120 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
7122 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
7123 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
7125 * dbxout.c (dbx_debug_hooks): Add new hooks.
7126 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
7128 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
7130 * dbxout.h (dbxout_start_new_source_file,
7131 dbxout_resume_previous_source_file): Delete.
7132 * debug.c (do_nothing_debug_hooks): Add new hooks.
7133 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7134 (debug_nothing_int_charstar, debug_nothing_int): New.
7135 * debug.h (gcc_debug_hooks): New hooks define, undef,
7136 start_source_file and end_source_file.
7137 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
7138 (debug_nothing_int_charstar, debug_nothing_int): New.
7139 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
7140 the conditionally compiled section.
7141 (dwarf2out_start_source_file, dwarf2out_end_source_file,
7142 dwarf2out_define, dwarf2out_undef): Make static.
7143 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
7144 dwarf2out_define, dwarf2out_undef): Remove.
7145 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
7146 (dwarfout_start_source_file, dwarfout_end_source_file,
7147 dwarfout_define, dwarfout_undef): Make static.
7148 (dwarfout_start_source_file_check,
7149 dwarfout_end_source_file_check): New.
7150 (dwarfout_define, dwarfout_finish): Update.
7151 * dwarfout.h (dwarfout_start_new_source_file,
7152 dwarfout_resume_previous_source_file, dwarfout_define,
7153 dwarfout_undef): Remove.
7154 * sdbout.c (sdb_debug_hooks): Add new hooks.
7155 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
7157 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
7158 make static, take an arg.
7159 * sdbout.h (sdbout_start_new_source_file,
7160 sdbout_resume_previous_source_file): Delete.
7161 * toplev.c (debug_start_source_file, debug_end_source_file,
7162 debug_define, debug_undef): Delete.
7163 * toplev.h (debug_start_source_file, debug_end_source_file,
7164 debug_define, debug_undef): Delete.
7166 * java/jcf-parse.c: Include debug.h.
7167 (parse_class_file): Update to use debug hooks directly.
7168 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
7170 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7172 * alias.c (set_mem_alias_set): New function.
7173 * rtl.h (set_mem_alias_set): Declare it.
7174 * builtins.c (expand_builtin_return_addr): Call it instead of
7175 using MEM_ALIAS_SET accessor.
7176 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
7177 (get_memory_rtx, expand_builtin_va_arg): Likewise.
7178 (expand_builtin_va_copy):Likewise.
7179 * caller-save.c (setup_save_areas): Likewise.
7180 * calls.c (compute_argument_addresses): Likewise.
7181 * explow.c (set_mem_attributes): Likewise.
7182 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
7183 (expand_assignment, store_constructor_field, store_field): Likewise.
7184 (expand_expr_unaligned): Likewise.
7185 * function.c (assign_stack_temp_for_type): Likewise.
7186 (put_reg_into_stack, gen_mem_addressof): Likewise.
7187 * ifcvt.c (noce_try_cmove_arith): Likewise.
7188 * reload1.c (reload, alter_reg): Likewise.
7189 * config/alpha/alpha.c (get_aligned_mem): Likewise.
7190 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
7191 (alpha_expand_unaligned_store): Likewise
7192 (alpha_expand_unaligned_load_words): Likewise.
7193 (alpha_expand_unaligned_store_words): Likewise.
7194 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
7195 (alpha_expand_epilogue): Likewise.
7196 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
7197 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
7198 * config/i386/i386.c (legitimize_pic_address): Likewise.
7199 * config/i960/i960.c (setup_incoming_varargs): Likewise.
7200 * config/ia64/ia64.c (spill_restore_mem): Likewise.
7201 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
7202 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
7203 * config/mips/mips.c (mips_va_arg): Likewise.
7204 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
7205 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
7206 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
7207 (setup_incoming_varargs, rs6000_va_arg): Likewise.
7208 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
7209 (rs6000_emit_epilogue): Likewise.
7210 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
7211 * config/sparc/sparc.c (sparc_va_arg): Likewise.
7212 * config/v850/v850.c (v850_va_arg): Likewise.
7214 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
7216 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
7217 when fallthru edge is present.
7218 (mege_blocks): Handle case where creation of jump insn
7221 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
7222 CLEANUP_POST_REGSTACK): New constants.
7223 * except.c (finish_eh_generation): Update call of cleanup_cfg,
7224 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
7225 * output.h (cleanup_cfg): Update prototype.
7226 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
7227 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
7228 cleanup_cfg call; kill missleading comment.
7229 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
7230 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
7231 parameter; control optimizations performed using it.
7232 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
7233 try_crossjump_bb): New functions.
7235 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7237 * pa.c (pa_output_function_prologue): Delete prototype. Make function
7239 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
7240 pa_output_function_prologue.
7241 * pa-protos.h (pa_output_function_prologue): New prototype.
7243 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
7245 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
7246 and low to get correct sign extension in low+high test.
7248 2001-07-11 Janis Johnson <janis@us.ibm.com>
7250 * gcov.c (arcdata): Use gcov_type to fix branch percentage
7251 for large hit count.
7253 * profile.c (branch_prob): Fix .bbg info for computed gotos
7256 2001-07-11 Mark Mitchell <mark@codesourcery.com>
7258 * stmt.c (parse_output_constraint): New function, split out
7260 (expand_asm_operands): ... here. Use parse_output_constraint.
7261 * tree.h (parse_output_constraint): Declare it.
7263 2001-07-11 Richard Henderson <rth@redhat.com>
7265 * bitmap.c: Comment some functions; fiddle whitespace.
7266 (bitmap_free): Don't export.
7267 (bitmap_element_allocate): Use memset.
7268 * bitmap.h (bitmap_free): Don't declare.
7270 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
7272 * gcse.c, lcm.c, sched-deps.c:
7273 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
7275 * flow.c (flow_loops_find): Free dom if we found no loops, since
7276 we aren't going to save it.
7278 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
7281 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
7283 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
7285 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7287 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
7288 #ifndef DWARF2_DEBUGGING_INFO.
7290 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7292 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
7294 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7296 * config/mips/mips.c (gen_int_relational): Tell the caller not to
7297 reverse a branch if a NE comparison is implemented with GTU.
7299 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
7300 H.J. Lu <hjl@gnu.org>
7302 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
7304 (call_internal2): Likewise.
7305 (call_value_internal1): Likewise.
7306 (call_value_internal2): Likewise.
7307 (call_value_multiple_internal1): Likewise.
7308 (call_value_multiple_internal2): Likewise.
7310 2001-07-10 Kazu Hirata <kazu@hxi.com>
7312 * calls.c (emit_library_call_value_1): Fix a comment typo.
7313 * dwarf2out.c (mem_loc_descriptor): Likewise.
7314 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
7316 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
7318 * simplify-rtx.c (simplify_subreg): Fix typo in comment
7320 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7322 * recog.c (offsettable_address_p): Handle LO_SUM case.
7323 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
7324 instead of plus_constant.
7326 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7328 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
7329 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
7331 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7333 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
7334 adjust_address_nv instead of plus_constant.
7336 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
7338 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
7339 dwarf2out.o): Depend on debug.h, wrap long lines.
7340 * dbxout.c: Include debug.h.
7341 (dbx_debug_hooks): New.
7342 (dbxout_init): Make static, take just 2 args.
7343 (dbxout_finish): Make static.
7344 * dbxout.h (dbxout_init, dbxout_finish): Delete.
7345 * debug.c: New file.
7346 * debug.h: New file.
7347 * dwarf2out.c: Include debug.h.
7348 (dwarf2_debug_hooks): New.
7349 (dwarf2out_init): Make static.
7350 (dwarf2out_finish): Make static, take 2 args.
7351 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
7352 * dwarfout.c: Include debug.h.
7353 (dwarf_debug_hooks): New.
7354 (dwarfout_init): Make static.
7355 (dwarfout_finish): Make static, take 2 args.
7356 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
7357 * sdbout.c: Include debug.h.
7358 (sdb_debug_hooks): New.
7359 (sdbout_init): Make static, take 2 args.
7360 * sdbout.h (sdbout_init): Delete.
7361 * toplev.c: Include debug.h.
7363 (compile_file): Set deubg_hooks based on command line options.
7364 Use the hooks unconditionally rather than conditional compilation.
7366 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
7368 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
7369 first_insn_after_basic_block_note instead.
7371 * df.c (df_bb_refs_unlink): #if 0 out for now.
7373 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
7375 * ssa.h: Add prototype for ssa_const_prop
7376 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
7377 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
7378 (ssa_fast_dce): Remove unused variable
7380 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7382 * diagnostic.c (finish_diagnostic): Rename to
7383 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
7386 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
7388 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
7391 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
7392 (dump_file): Only pad the demangled name with spaces if the
7393 mangled name was padded with spaces.
7395 2001-07-10 Bernd Schmidt <bernds@redhat.com>
7397 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
7400 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7402 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
7403 extraction if no direct load if either EXPAND_CONST_ADDRESS or
7406 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
7407 whether can put offset inside LO_SUM to check mode alignment, not size.
7409 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7411 * doc/tm.texi (Misc): Fix thinko.
7413 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
7415 * regmove.c (replace_in_call_usage): Fix warnings.
7416 * sched-deps.c (add_dependence): Fix warnings.
7417 * simplify-rtx.c (simplify_subreg): Likewise.
7418 Return NULL_RTX instead of NULL.
7420 * reg-stack.c (emit_swap_insn): Eliminate warnings.
7421 (subst_asm_stack_regs): Likewise.
7423 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
7426 * dwarf2out.c (output_call_frame_info): Declare i as int.
7427 (build_abbrev_table): Declare n_alloc as int.
7428 (dwarf2out_finish): Initialize die.
7429 * except.c: Declare sjlj_funcdef_number as unsigned.
7430 (connect_post_landing_pads): Declare j as unsigned.
7431 (convert_to_eh_region_ranges): Initialize call_site.
7432 (output_function_exception_table): Initialize tt_format_size.
7433 * expr.c (move_by_pieces_1): Initialize to1.
7434 (store_constructor): Initialize minelt and maxelt.
7435 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
7436 * function.c (instantiate_decls): Avoid signed/unsigned warning.
7438 * c-decl.c (combine_parm_decls): Unused, remove.
7439 * c-tree.h: Remove prototype for combine_parm_decls.
7441 * reload.c (push_reload): Fix warning.
7442 (regno_clobbered_p): Likewise.
7443 * reload1.c (replace_pseudos_in_call_usage): Likewise.
7444 (reload_combine): Likewise.
7446 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
7447 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
7449 * bitmap.c (bitmap_operation): Change user.
7450 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
7452 2001-07-10 Eric Christopher <echristo@redhat.com>
7454 * config/mips/mips.c (override_options): Fix typo.
7456 2001-07-09 Stan Shebs <shebs@apple.com>
7458 * target.h (struct gcc_target): New fields init_builtins and
7460 * target-def.h (TARGET_INIT_BUILTINS): New macro.
7461 (TARGET_EXPAND_BUILTIN): New macro.
7462 (TARGET_INITIALIZER): Add them.
7463 * builtins.c: Include target.h.
7464 (expand_builtin): Use targetm.expand_builtin.
7465 (default_init_builtins): New function.
7466 (default_expand_builtin): New function.
7467 * expr.h (default_init_builtins): Declare.
7468 (default_expand_builtin): Declare.
7469 * c-common.c (c_common_nodes_and_builtins): Use
7470 targetm.init_builtins.
7471 * defaults.h (MD_INIT_BUILTINS): Remove.
7472 * Makefile.in (builtins.o): Depend on target.h.
7474 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
7475 (TARGET_EXPAND_BUILTIN): Define.
7476 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
7477 (MD_EXPAND_BUILTIN): Remove.
7479 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
7480 (TARGET_EXPAND_BUILTIN): Define.
7481 (c4x_init_builtins): Make endlink arg a local.
7482 (c4x_print_operand): Fix typos in adjust_address usages.
7483 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
7484 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
7485 (MD_EXPAND_BUILTIN): Remove.
7487 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
7488 (TARGET_EXPAND_BUILTIN): Define.
7489 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
7490 (ix86_init_builtins): Call new function only if TARGET_MMX.
7491 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
7492 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
7493 (MD_EXPAND_BUILTIN): Remove.
7495 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
7496 (TARGET_EXPAND_BUILTIN): Define.
7497 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
7498 (MD_EXPAND_BUILTIN): Remove.
7500 * doc/tm.texi: Document these changes.
7502 2001-07-09 Diego Novillo <dnovillo@redhat.com>
7504 * basic-block.h (tree_node): Forward declare if needed.
7505 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
7506 (BLOCK_HEAD_TREE): Define.
7507 (BLOCK_END_TREE): Define.
7508 (struct loops): Rename field 'tree' to 'tree_root'.
7509 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
7511 (flow_loops_tree_build): Rename reference to field 'tree' to
7513 (flow_loops_level_compute): Ditto.
7514 * predict.c (estimate_bb_frequencies): Ditto.
7515 * tree.h (struct tree_common): Add field 'aux'.
7517 2001-07-09 Stan Shebs <shebs@apple.com>
7519 * config/darwin.c (darwin_encode_section_info): Don't mark any
7520 DECL_EXTERNAL node as defined.
7522 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
7524 * pa.c (pa_init_machine_status, pa_mark_machine_status,
7525 pa_free_machine_status, hppa_init_pic_save): Delete.
7526 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
7527 (hppa_profile_hook): Use hppa_pic_save_rtx.
7528 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
7529 hppa_init_pic_save): Delete.
7530 (hppa_pic_save_rtx): Declare.
7531 * pa.md (call, call_value, sibcall, sibcall_value,
7532 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
7534 2001-07-09 Kazu Hirata <kazu@hxi.com>
7536 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
7537 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
7539 2001-07-09 Andreas Jaeger <aj@suse.de>
7541 * output.h: Add declaration of final_forward_branch_p.
7543 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
7545 * varray.c: Include errors.h for internal_error and trim_filename
7548 * Makefile.in (varray.o): Add errors.h.
7550 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
7552 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
7553 * optabs.c (have_add2_insn): Check whether the add insn chosen
7554 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
7555 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
7557 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
7559 * Makefile.in (OBJS): Add ssa-ccp.o
7560 (ssa-ccp.o): Add dependencies.
7561 * toplev.c (DFI_ssa_ccp): New dump file enum.
7562 (dump_file): Add entry for dumping after SSA CCP.
7563 (flag_ssa_ccp): New flag variable.
7564 (f_options): Add -fssa-ccp.
7565 (rest_of_compilation): Run SSA CCP if requested.
7566 * timevar.def (TV_SSA_CCP): New timevar.
7567 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
7568 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
7569 Fix minor typo in SSA DCE documentation.
7570 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
7571 Add documentation for new dump option. Renumber dump files
7574 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
7576 * emit-rtl.c (gen_highpart_mode): New.
7577 * rtl.h (gen_highpart_mode): Declare.
7578 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
7579 operand can be VOIDmode constant.
7581 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
7583 * flow.c (redirect_edge_and_branch_force): New.
7584 (can_fallthru): Ensure that basic blocks are succeeding.
7585 (try_optimize_cfg): Do not delete basic block if it is the last one.
7587 * flow.c (try_redirect_by_replacing_jump): Do not remove
7588 jumps with side effects, unlink chain on fallthru edge;
7589 set block for new jump instruction; avoid basic block to
7590 over by line number note.
7592 * flow.c (try_simplify_condjump): Verify that the condjump
7593 is not always falling trought.
7596 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
7598 * flow.c (forwarder_block_p): Fix for fallthru blocks.
7599 (try_redirect_by_replacing_jump): Update properly the count
7600 and frequency information.
7602 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7604 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
7605 address that is a LO_SUM specially.
7606 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
7608 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
7610 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
7611 (operand_subword): Use them.
7612 (change_address_1): Renamed from change_address; new arg VALIDATE.
7613 * expr.h: Reflect above changes; change_address now macro.
7614 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
7616 * cselib.c (add_mem_for_addr): Likewise.
7617 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
7618 * regmove.c (try_apply_stack_adjustment): Likewise.
7619 * reload.c (push_reload, make_memloc): Likewise.
7620 * reload1.c (eliminate_regs): Likewise.
7621 * simplify-rtx.c (simplify_replace_rtx): Likewise.
7622 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
7624 * combine.c (make_extraction, simplify_shift_const): Likewise.
7625 (gen_lowpart_for_combine): Likewise.
7626 * cse.c (gen_lowpart_if_possible): Likewise.
7627 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
7628 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
7629 * optabs.c (gen_move_insn): Likewise.
7630 * reload1.c (alter_reg): Likewise.
7631 * simplify-rtx.c (simplify_subreg): Likewise.
7632 * stmt.c (expand_anon_union_decl): Likewise.
7633 * recog.c (validate_replace_rtx_1): Likewise.
7635 * Makefile.in (recog.o): Add $(EXPR_H).
7636 * explow.c (stabilize): Call replace_equiv_address.
7637 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
7638 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
7640 2001-07-03 Andrew Haley <aph@redhat.com>
7642 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
7643 the mode of the memory location.
7645 2001-07-09 Bo Thorsen <bo@suse.co.uk>
7647 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
7649 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
7651 * final.c (output_addr_const): Use target opening and
7652 closing parentheses.
7653 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
7654 defaults, add to TARGET_ASM_OUT.
7655 * target.h (struct gcc_target): Add open_paren and close_paren.
7656 * doc/md.texi: Update.
7657 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
7658 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
7659 TARGET_ASM_CLOSE_PAREN.
7660 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7662 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
7664 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
7665 * config/a29k/a29k.h: Similarly.
7666 * config/alpha/alpha.h: Similarly.
7667 * config/arc/arc.h: Similarly.
7668 * config/arm/aof.h: Similarly.
7669 * config/arm/aout.h: Similarly.
7670 * config/avr/avr.h: Similarly.
7671 * config/c4x/c4x.h: Similarly.
7672 * config/clipper/clipper.h: Similarly.
7673 * config/convex/convex.h: Similarly.
7674 * config/d30v/d30v.h: Similarly.
7675 * config/dsp16xx/dsp16xx.h: Similarly.
7676 * config/elxsi/elxsi.h: Similarly.
7677 * config/fr30/fr30.h: Similarly.
7678 * config/h8300/h8300.h: Similarly.
7679 * config/i370/i370.h: Similarly.
7680 * config/i386/i386.h: Similarly.
7681 * config/i860/i860.h: Similarly.
7682 * config/i960/i960.h: Similarly.
7683 * config/ia64/ia64.h: Similarly.
7684 * config/m32r/m32r.h: Similarly.
7685 * config/m68hc11/m68hc11.h: Similarly.
7686 * config/m68k/m68k.h: Similarly.
7687 * config/m88k/m88k.h: Similarly.
7688 * config/mcore/mcore.h: Similarly.
7689 * config/mips/mips.h: Similarly.
7690 * config/mn10200/mn10200.h: Similarly.
7691 * config/mn10300/mn10300.h: Similarly.
7692 * config/ns32k/ns32k.h: Similarly.
7693 * config/pa/pa.h: Similarly.
7694 * config/pdp11/pdp11.h: Similarly.
7695 * config/pj/pj.h: Similarly.
7696 * config/romp/romp.h: Similarly.
7697 * config/rs6000/rs6000.h: Similarly.
7698 * config/sh/sh.h: Similarly.
7699 * config/sparc/sparc.h: Similarly.
7700 * config/v850/v850.h: Similarly.
7701 * config/vax/vax.h: Similarly.
7702 * config/we32k/we32k.h: Similarly.
7704 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
7706 * doc/c-tree.texi: Document representation of attributes.
7708 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7710 * doc/tm.texi: Update some places for the rename of target to
7713 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7715 * target.h (struct gcc_target): Add insert_attributes.
7716 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
7717 (TARGET_INITIALIZER): Update.
7718 * tree.c, tree.h (default_insert_attributes): New function.
7719 Update comments on other default functions to refer to targetm,
7721 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
7722 TARGET_INSERT_ATTRIBUTES.
7723 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
7724 * c-common.c (decl_attributes): Use targetm.insert_attributes.
7725 Don't use PRAGMA_INSERT_ATTRIBUTES.
7726 * Makefile.in (c-common.o): Depend on $(TARGET_H).
7727 * c-decl.c (start_decl, start_function): Don't call
7728 SET_DEFAULT_DECL_ATTRIBUTES.
7729 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
7730 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
7732 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
7733 (c4x_check_attribute): Avoid modifying attribute list itself.
7734 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
7736 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
7737 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
7739 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
7740 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
7742 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
7743 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
7745 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
7746 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
7747 Adjust parameters. Make static.
7749 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
7751 * c-common.c (decl_attributes): Only take a single attributes
7753 * c-common.h (decl_attributes): Update prototype.
7754 * c-decl.c (start_decl, start_function): Only take a single
7755 attributes parameter. Update calls to decl_attributes.
7756 (finish_struct, finish_enum): Update calls to decl_attributes.
7757 (push_parm_decl): Expect unified list of attributes. Update call
7759 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
7760 notype_nested_function, component_declarator,
7761 component_notype_declarator, label): Update calls to
7763 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
7764 lists that are passed to push_parm_decl.
7765 * c-tree.h (start_function, start_decl): Update prototypes.
7766 * config/sh/sh-protos.h, config/sh/sh.c
7767 (sh_pragma_insert_attributes): Only take a single attributes
7769 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
7770 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
7771 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
7772 build_module_descriptor, generate_static_references,
7773 generate_strings, build_selector_translation_table,
7774 generate_descriptor_table, generate_protocols,
7775 generate_ivars_list, generate_dispatch_table,
7776 generate_protocol_list, generate_category,
7777 generate_shared_structures, really_start_method, add_objc_decls,
7778 generate_classref_translation_entry): Update calls to start_decl
7780 (build_tmp_function_decl, start_method_def): Unify attribute lists
7781 that are passed to push_parm_decl.
7783 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
7785 * final.c (no_asm_to_stream): New.
7786 (final_scan_insn): Use target structures for prologue ends
7787 and epilogue starts.
7788 * output.h (no_asm_to_stream): New.
7789 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
7790 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
7791 (TARGET_ASM_OUT): Update.
7792 * target.h (struct gcc_target): New members function_end_prologue
7793 and function_begin_epilogue.
7794 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
7795 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
7796 * config/alpha/alpha.c (output_end_prologue): Rename to
7797 alpha_output_function_end_prologue. Use in target struct
7799 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
7800 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
7801 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
7802 ia64_output_function_end_prologue. Use in target struct
7804 (ia64_function_prologue, ia64_funciton_epilogue): Rename
7805 mistyped prototypes.
7806 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
7807 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
7809 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
7810 an use in target struct, make static.
7811 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
7814 2001-07-08 Richard Henderson <rth@redhat.com>
7816 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
7818 2001-07-08 Richard Henderson <rth@redhat.com>
7820 * config/i386/i386.md: Remove constraints strings from define_split
7821 and define_peephole2 patterns.
7822 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
7823 (eh_return): Use them.
7825 2001-07-08 Richard Henderson <rth@redhat.com>
7827 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
7828 Document MD_FALLBACK_FRAME_STATE_FOR.
7830 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7832 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
7833 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
7835 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
7837 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
7839 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
7840 of the label inside NAME as opposed to just the end of NAME.
7842 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
7844 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
7845 * config/alpha/alpha.c (alpha_init_machine_status,
7846 alpha_mark_machine_status, alpha_free_machine_status): Delete.
7847 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
7848 (vms_valid_decl_attribute_p): Make static, conditionally compile.
7849 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
7851 2001-07-06 Stan Shebs <shebs@apple.com>
7853 * target.h (targetm): Rename global from "target", so as not to
7854 conflict with local variables.
7856 * c-typeck.c: Ditto.
7860 * cp/decl2.c: Ditto.
7861 * cp/typeck.c: Ditto.
7862 * 1750a/1750a.c: Ditto.
7863 * a29k/a29k.c: Ditto.
7867 * clipper/clipper.c: Ditto.
7868 * convex/convex.c: Ditto.
7869 * d30v/d30v.c: Ditto.
7870 * dsp16xx/dsp16xx.c: Ditto.
7871 * elxsi/elxsi.c: Ditto.
7872 * fr30/fr30.c: Ditto.
7873 * h8300/h8300.c: Ditto.
7874 * i370/i370.c: Ditto.
7875 * i386/i386.c: Ditto.
7876 * i860/i860.c: Ditto.
7877 * i960/i960.c: Ditto.
7878 * ia64/ia64.c: Ditto.
7879 * m32r/m32r.c: Ditto.
7880 * m68hc11/m68hc11.c: Ditto.
7881 * m68k/m68k.c: Ditto.
7882 * m88k/m88k.c: Ditto.
7883 * mips/mips.c: Ditto.
7884 * ns32k/ns32k.c: Ditto.
7886 * pdp11/pdp11.c: Ditto.
7887 * romp/romp.c: Ditto.
7888 * rs6000/rs6000.c: Ditto.
7890 * sparc/sparc.c: Ditto.
7892 * we32k/we32k.c: Ditto.
7893 * doc/tm.texi: Update the manual to match.
7895 2001-07-06 Richard Henderson <rth@redhat.com>
7897 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
7898 DWARF2_UNWIND_INFO not just whether it is defined.
7900 2001-07-06 Diego Novillo <dnovillo@redhat.com>
7902 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
7903 call to simplify_binary_operation returns a new pattern.
7905 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
7907 * glimits.h (__SHRT_MAX__): New.
7908 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
7909 (SHRT_MAX): Define in terms of __SHRT_MAX__.
7911 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
7913 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
7916 2001-07-06 Richard Henderson <rth@redhat.com>
7918 * bitmap.c (bitmap_release_memory): Move adjacent to the
7919 allocation functions.
7920 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
7921 the implementation. Binary search for the set bit.
7922 (bitmap_union_of_diff): Allocate the temporary on the stack
7923 instead of using xmalloc.
7925 2001-07-06 Richard Henderson <rth@redhat.com>
7927 * genrecog.c (validate_pattern): Warn for constraints in
7928 define_{expand,split,peephole2}. Remove strict_low_part
7929 before looking up match_dup.
7931 2001-07-06 DJ Delorie <dj@redhat.com>
7933 * doc/gcc.texi (Makefile): Rename to be a more general purpose
7934 chapter about various build hints and history. Add section
7935 talking about the various types of native and cross builds.
7937 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
7939 * Makefile.in (final.o): Depend on target.h.
7940 * final.c: Include target.h.
7941 (default_function_pro_epilogue): New.
7942 (final_start_function): Use target structure for function prologues.
7943 (final_end_function): Use target structure for function epilogues.
7944 * fold-const.c (real_hex_to_f): Constify s and p.
7945 * output.h (default_function_pro_epilogue): New.
7946 * real.h (real_hex_to_f): Update prototype.
7947 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
7948 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
7949 (TARGET_INITIALIZER): Update.
7950 * target.h (gcc_target): Add struct asm_out.
7951 * doc/tm.texi: Update.
7954 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
7955 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
7956 in cpu/cpu.c, or rename old functions consistently. Take
7957 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
7958 redundant macros and prototypes. Make new functions static.
7960 * 1750a/1750a.c: Similarly.
7961 * 1750a/1750a.h: Similarly.
7962 * a29k/a29k-protos.h: Similarly.
7963 * a29k/a29k.c: Similarly.
7964 * a29k/a29k.h: Similarly.
7965 * arc/arc-protos.h: Similarly.
7966 * arc/arc.c: Similarly.
7967 * arc/arc.h: Similarly.
7968 * arm/arm-protos.h: Similarly.
7969 * arm/arm.c: Similarly.
7970 * arm/arm.h: Similarly.
7971 * avr/avr-protos.h: Similarly.
7972 * avr/avr.c: Similarly.
7973 * avr/avr.h: Similarly.
7974 * clipper/clipper-protos.h: Similarly.
7975 * clipper/clipper.c: Similarly.
7976 * clipper/clipper.h: Similarly.
7977 * convex/convex.c: Similarly.
7978 * convex/convex.h: Similarly.
7979 * d30v/d30v-protos.h: Similarly.
7980 * d30v/d30v.c: Similarly.
7981 * d30v/d30v.h: Similarly.
7982 * d30v/d30v.md: Similarly.
7983 * dsp16xx/dsp16xx-protos.h: Similarly.
7984 * dsp16xx/dsp16xx.c: Similarly.
7985 * dsp16xx/dsp16xx.h: Similarly.
7986 * elxsi/elxsi.c: Similarly.
7987 * elxsi/elxsi.h: Similarly.
7988 * fr30/fr30.c: Similarly.
7989 * fr30/fr30.md: Similarly.
7990 * h8300/h8300-protos.h: Similarly.
7991 * h8300/h8300.c: Similarly.
7992 * h8300/h8300.h: Similarly.
7993 * i370/i370-protos.h: Similarly.
7994 * i370/i370.c: Similarly.
7995 * i370/i370.h: Similarly.
7996 * i386/i386.c: Similarly.
7997 * i386/osf1elf.h: Similarly.
7998 * i386/osfrose.h: Similarly.
7999 * i860/i860-protos.h: Similarly.
8000 * i860/i860.c: Similarly.
8001 * i860/i860.h: Similarly.
8002 * i960/i960-protos.h: Similarly.
8003 * i960/i960.c: Similarly.
8004 * i960/i960.h: Similarly.
8005 * ia64/ia64-protos.h: Similarly.
8006 * ia64/ia64.c: Similarly.
8007 * ia64/ia64.h: Similarly.
8008 * m32r/m32r-protos.h: Similarly.
8009 * m32r/m32r.c: Similarly.
8010 * m32r/m32r.h: Similarly.
8011 * m68hc11/m68hc11-protos.h: Similarly.
8012 * m68hc11/m68hc11.c: Similarly.
8013 * m68hc11/m68hc11.h: Similarly.
8014 * m68k/crds.h: Similarly.
8015 * m68k/dpx2.h: Similarly.
8016 * m68k/m68k-protos.h: Similarly.
8017 * m68k/m68k.c: Similarly.
8018 * m68k/m68k.h: Similarly.
8019 * m68k/news.h: Similarly.
8020 * m88k/m88k-protos.h: Similarly.
8021 * m88k/m88k.c: Similarly.
8022 * m88k/m88k.h: Similarly.
8023 * mips/mips-protos.h: Similarly.
8024 * mips/mips.c: Similarly.
8025 * mips/mips.h: Similarly.
8026 * ns32k/merlin.h: Similarly.
8027 * ns32k/ns32k.c: Similarly.
8028 * ns32k/ns32k.h: Similarly.
8029 * ns32k/tek6000.h: Similarly.
8030 * pa/pa-protos.h: Similarly.
8031 * pa/pa.c: Similarly.
8032 * pa/pa.h: Similarly.
8033 * pdp11/2bsd.h: Similarly.
8034 * pdp11/pdp11-protos.h: Similarly.
8035 * pdp11/pdp11.c: Similarly.
8036 * pdp11/pdp11.h: Similarly.
8037 * romp/romp-protos.h: Similarly.
8038 * romp/romp.c: Similarly.
8039 * romp/romp.h: Similarly.
8040 * rs6000/rs6000-protos.h: Similarly.
8041 * rs6000/rs6000.c: Similarly.
8042 * rs6000/rs6000.h: Similarly.
8043 * rs6000/sysv4.h: Similarly.
8044 * sh/sh-protos.h: Similarly.
8045 * sh/sh.c: Similarly.
8046 * sh/sh.h: Similarly.
8047 * sparc/sparc-protos.h: Similarly.
8048 * sparc/sparc.c: Similarly.
8049 * sparc/sparc.h: Similarly.
8050 * vax/vax.c: Similarly.
8051 * vax/vax.h: Similarly.
8052 * vax/vms.h: Similarly.
8053 * we32k/we32k.c: Similarly.
8054 * we32k/we32k.h: Similarly.
8056 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
8058 * basic-block.h (first_insn_after_basic_block_note): Declare.
8059 * flow.c (first_insn_after_basic_block_note): Define. Moved
8061 * ssa.c (first_insn_after_basic_block_note): Remove.
8062 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
8064 (ssa_eliminate_dead_code): Properly update the CFG and PHI
8065 nodes when we find a dead conditional branch. Insert BARRIERs
8066 after any blocks with no successors, but which do not have
8069 2001-07-06 Zack Weinberg <zackw@stanford.edu>
8071 * varray.c (varray_check_failed): Use internal_error.
8073 2001-07-05 Andrew Haley <aph@redhat.com>
8075 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
8076 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
8077 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
8079 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
8081 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
8082 reference if the target constant is also a SYMBOL_REF.
8084 2001-07-05 Eric Christopher <echristo@redhat.com>
8086 * config/mips/mips.h (MASK_MIPS3900): Remove.
8087 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
8088 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
8089 (TARGET_MIPS3900): Change to use mips_arch.
8090 (TARGET_MIPS4000): New.
8091 (TARGET_MIPS4100): New.
8092 (TARGET_MIPS4300): New.
8093 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
8094 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
8096 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
8097 (ISA_HAS_BRANCHLIKELY): To here.
8098 (CC1_CPU_SPEC): New.
8099 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
8100 (mips_arch_string): Declare.
8101 (mips_arch): Declare.
8102 (TARGET_OPTIONS): Add -march and -mtune.
8104 * config/mips/mips.c (mips_arch_string): New.
8106 (override_options): Handle -march for codegen and -mtune
8107 for scheduling. Use mips_arch. Move tx39 target default here.
8108 (mips_parse_cpu): Move error message to override_options.
8110 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
8112 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
8114 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
8115 (MIPS Options): Ditto. Change mcpu entry to historical text.
8117 2001-07-05 H.J. Lu (hjl@gnu.org)
8119 * config/mips/mips.c (mips_parse_cpu): New function to parse
8122 2001-07-05 Jim Wilson <wilson@redhat.com>
8124 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
8125 * config/ia64/t-ia64: Likewise.
8126 (LIB1ASMFUNCS): Update comment.
8128 2001-07-05 David Edelsohn <edelsohn@gnu.org>
8130 * doc/install.texi (Install GCC: Binaries): Fix typo.
8132 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8134 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
8135 reference using the stack pointer, adjust it since we push Y
8137 ("*ashrsi3"): Likewise.
8138 ("*lshrsi3"): Likewise.
8140 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8142 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
8143 when -fomit-frame-pointer is used.
8145 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
8147 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
8148 (try_redirect_by_replacing_jump): Reverse updating properly the
8149 count and frequency information. Reverse removing cc0 setter.
8150 (forwarder_block_p): Reverse fixing for fallthru blocks.
8152 2001-07-05 DJ Delorie <dj@redhat.com>
8154 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
8155 (translate_options): If the above is defined, use it to map
8156 given options to new options.
8157 * doc/tm.texi: Document it.
8159 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
8160 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8162 * doc/invoke.texi (Optimize Options): Document that -fgcse may
8163 cause programs using computed gotos to run more slowly.
8165 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8167 * doc/install.texi (Specific): Markup, spelling and typo fixes.
8169 Consistently require binutils 2.11.2, not prereleases.
8170 (Specific, decstation-*): Canonicalize as mips-dec-*.
8171 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
8173 (Specific, m68k-altos): Removed reference to README.altos, deleted.
8174 (Specific, mips-*): Reword MIPS C compiler requirements.
8175 (Specific, powerpc*-*-*): New, mention --with-cpu once.
8176 (Specific, sunv5): Removed, obsolete.
8178 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
8180 * dwarf2out.c (output_loc_list): Use an all ones mask for
8181 .text asm output and don't rely on long long
8182 literals. Reformat some long lines.
8184 2001-07-05 Andreas Jaeger <aj@suse.de>
8186 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
8189 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8191 * dwarf2out.c (dwarf2out_define): Update comment.
8192 (dwarf2out_undef): Ditto.
8193 (dwarf2out_start_source_file): Ditto.
8194 (dwarf2out_end_source_file): Ditto.
8195 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
8196 since we never call the start/end debug hook for the primary file.
8198 2001-07-04 Kazu Hirata <kazu@hxi.com>
8200 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
8203 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8205 * cppinit.c (remove_dup_dirs): Inform if a system include
8206 directory is being reordered.
8207 * doc/invoke.texi (Directory Options): GCC warns if you hide a
8209 * doc/cpp.texi (Search Paths): Likewise.
8210 * doc/gcc.texi (Interoperation): Remove information about
8213 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
8215 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
8216 (VARRAY_TOP_CHAR_PTR): Likewise.
8218 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8220 * gcc.c (process_command): Don't assign elements of a const char*.
8222 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8224 * emit-rtl.c (change_address): Don't abort if invalid address while
8225 reload is in progress.
8227 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8229 * c-lex.c (cb_file_change): Pass line number to
8230 debug_start_source_file.
8231 (cb_undefine): Pass correct line number to debug_undef.
8233 * toplev.c (debug_start_source_file): Add line number to
8234 parameters. Pass it along to dwarf2out_start_source_file.
8235 (decode_g_option): Stop resetting debug level back to normal when
8236 we change debug formats, unless the current level is
8237 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
8240 * toplev.h (debug_start_source_file): Add line number to
8243 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
8246 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
8248 Output debug_macinfo data for starting file if requested.
8249 (dwarf2out_end_source_file): Output debug_macinfo data for ending
8251 (dwarf2out_define): Output debug_macinfo data for defining a macro
8253 (dwarf2out_undef): Output debug_macinfo data for undefining a
8255 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
8256 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
8257 (macinfo_section_label): New. DWARF2 macro info section label.
8258 (dwarf2out_init): If we want macro info, output the start label
8260 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
8261 attribute to the compilation unit die pointing to the macro info.
8263 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
8265 * dwarf2out.c (new_loc_list): Move to inside #ifdef
8266 DWARF2_DEBUGGING_INFO.
8267 (add_loc_descr_to_loc_list): Ditto.
8268 (output_loc_list): Ditto.
8269 Also, fix thinko in curr not being initialized.
8270 (gen_internal_sym): Ditto.
8272 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8274 * emit-rtl.c (replace_equiv_address): New function.
8275 * expr.h (replace_equiv_address): New declaration.
8276 * explow.c (validize_mem): Call it instead of change_address and
8277 also call if -fforce-addr and address is constant.
8278 * expr.c: Replace more calls to change_address with adjust_address
8279 and/or replace_equiv_address or to validize_mem.
8280 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
8281 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
8282 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8283 * config/i370/i370.md, config/i860/i860.md: Likewise.
8284 * config/i960/i960.md, config/mips/mips.c: Likewise.
8285 * config/mips/mips.md, config/pa/pa.md: Likewise.
8286 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
8287 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
8289 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8291 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
8293 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
8296 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
8298 * doc/include: New directory.
8299 * doc/fdl.texi: Move to doc/include/fdl.texi.
8300 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
8301 * doc/include/funding.texi, doc/include/gpl.texi: New files.
8302 * doc/gcc.texi: Use funding.texi and gpl.texi.
8303 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
8304 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
8305 Update dependencies and use -I $(docdir)/include.
8307 2001-07-04 Anthony Green <green@redhat.com>
8309 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
8311 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8313 * doc/install.texi (sparc64-*-*): Remove garbage.
8315 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
8317 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
8318 Fix typo in last change to use adjust_address.
8320 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8322 * doc/install.texi (Specific): Update information for *-*-solaris*.
8324 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8326 * explow.c (plus_constant_wide): Reinitialize Y for restart.
8328 2001-07-03 Stan Shebs <shebs@apple.com>
8330 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
8331 case for flag_no_mach_text_sections.
8332 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
8333 * config/darwin.c (flag_no_mach_text_sections): Remove.
8334 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
8336 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8338 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
8339 and avoid checking for constant as first operand.
8340 * recog.c (find_constant_term_loc): No longer static.
8341 (adj_offettable_operand): Delete.
8342 * rtl.h (adj_offsettable_operand): Delete declaration.
8343 (find_constant_term): Add declaration.
8344 * caller-save.c: Replace calls to adj_offsettable_operand with calls
8346 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
8347 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
8348 * config/i386/i386.c, config/i386/i386.md: Likewise.
8349 * config/i860/i860.c, config/i960/i960.c: Likewise.
8350 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
8351 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
8352 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
8353 * config/mips/mips.c, config/mips/mips.md: Likewise.
8354 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
8355 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
8356 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
8357 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
8358 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
8359 * config/ns32k/ns32k.md: Likewise.
8361 2001-07-03 Zack Weinberg <zackw@stanford.edu>
8363 * rtl.c (copy_rtx): Handle 'T' format letter.
8364 * gensupport.c (collect_insn_data): Likewise.
8365 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
8367 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
8369 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
8370 -B option. Use 'dir' not 'foo' as example directory name.
8372 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8374 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8375 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
8377 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8379 * doc/cppinternals.texi: Improve formatting and logical markup.
8381 2001-07-03 Andreas Jaeger <aj@suse.de>
8383 * Makefile.in (insn-recog.o): Add dependency on reload.h.
8385 * genrecog.c (write_header): Include reload.h for prototypes in
8388 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
8391 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
8392 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
8393 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
8394 i386_pe_valid_type_attribute_p): Add.
8395 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
8396 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
8398 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8400 * explow.c (plus_constant_wide, case LO_SUM): New case.
8401 (plus_constant_for_output_wide): Delete.
8402 * rtl.h (plus_constant_for_output): Delete.
8403 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
8404 instead of plus_constant_for_output.
8405 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
8406 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
8407 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
8408 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
8409 * config/sparc/sparc.md: Likewise.
8410 Convert some change_address calls to adjust_address.
8412 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
8414 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
8415 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
8416 documentation of -std and -Wwrite-strings.
8418 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8420 * cse.c (canon_hash): Don't register registers in very small
8421 register classes, as extending their lifetime might cause
8424 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
8426 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
8428 * flow.c (forwarder_block_p): Fix for fallthru blocks.
8429 (try_redirect_by_replacing_jump): Update properly the count
8430 and frequency information.
8432 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
8434 * toplev.c (dump_file_index): Move SSA dumps just after first
8436 (dump_file): Corresponding changes.
8437 (rest_of_compilation): Move SSA path to just after the first
8439 * doc/gcc.texi (Passes): Update due to movement of SSA path.
8440 * doc/invoke.texi: Update dump file #s as they were completely
8441 out of date with reality.
8443 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
8445 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
8447 * expr.c (emit_move_insn_1): Deal with non-default
8450 * expr.c (emit_single_push_insn): Fix warning.
8452 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
8454 * expr.c (emit_move_insn_1): Avoid modifying
8455 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
8457 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8459 * emit-rtl.c (adjust_address): New function.
8460 * expr.h (adjust_address): Add declaration.
8461 * builtins.c: Replace some calls to change_address with calls to it
8463 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
8464 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
8465 * config/arm/arm.c, config/convex/convex.c: Likewise.
8466 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
8467 * config/i386/i386.c, config/i386/i386.md: Likewise.
8468 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
8469 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
8470 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
8471 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
8472 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
8474 2001-07-02 Jim Wilson <wilson@redhat.com>
8476 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
8478 2001-07-02 Steve Ellcey <sje@cup.hp.com>
8480 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
8481 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
8483 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8485 * cppinit.c (lang_defaults): New table.
8486 (set_lang): Just read from lang_defaults into the live options
8489 2001-07-02 Zack Weinberg <zackw@stanford.edu>
8491 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
8492 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
8493 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
8495 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8497 * doc/install.texi: Various spelling and markup fixes.
8498 (Installing GCC): Component specific installation instructions are
8501 Warn about removing old install dir in the presence of shared libs.
8502 (Configuration): Invoke with options target to match configure
8504 Consistently refer to gas, gld pathnames.
8505 Invert --enable-multilib documentation.
8506 Remove references to old compiler versions.
8508 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8510 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
8512 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8514 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
8516 (Specific, mips*-sgi-irix5): Note IDO download.
8517 Reworded MIPS C hints.
8518 Use GNU as instead of GAS.
8520 Removed SGI Freeware reference, IRIX 6 only.
8521 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
8522 Note N64 library requirement/workaround.
8524 Complete list of structure passing bug victims.
8526 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8528 * doc/install.texi: Remove CVS Id.
8530 2001-07-02 Andreas Jaeger <aj@suse.de>
8532 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
8533 (find_inherently_necessary): Remove unused variable.
8535 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
8537 * c-common.h (TDI_inlined): New ast dump phase.
8538 (dump_flag_name): New function.
8539 * c-dump.c (dump_files): Add inlined phase.
8540 (dump_flag_name): Define.
8541 * doc/invoke.texi (-fdump-ast-inlined): Document.
8543 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8545 * stor-layout.c (layout_decl): Revert change to handling of alignment
8548 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8550 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
8553 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
8555 * doc/tm.texi (FUNCTION_ARG): Document that the last call
8558 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
8560 * tlink.c (recompile_files): Remove COMPILER_PATH and
8561 LIBRARY_PATH from the environment.
8563 2001-07-01 Zack Weinberg <zackw@stanford.edu>
8565 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
8566 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
8568 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
8570 * c-parse.in (OBJC_STRING): Kill.
8571 (objc_string): Decompose to [objc_string] '@' STRING.
8572 (reswords): Take the leading '@' off all the Objective C keywords.
8573 (objc_rid_sans_at): Kill.
8574 (init_reswords): Don't initialize it.
8575 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
8576 (_yylex): Kill reconsider label. Look ahead one token after
8577 an '@'; if we get an identifier, check whether it's an
8578 Objective C @-keyword. If so, return the keyword. Otherwise,
8579 put back the token and return the '@' as a terminal.
8581 * cpplib.c (lex_macro_node): Remove unnecessary check for
8582 leading '@' on identifier. Clarify control flow and commentary.
8584 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8586 * cse.c (new_label_ref): Variable deleted.
8587 (insert): Remove set of new_label_ref.
8588 (check_for_label_ref): New function.
8589 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
8591 See ChangeLog.5 for earlier changes.