1 2001-08-31 Andreas Jaeger <aj@suse.de>
3 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
6 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
8 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
9 not DIV/MOD, of course.
11 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
13 * rtl.def: Undo my patch commited 2001-08-27.
15 * genattrtab.c: Ditto.
21 * target-def.h: Ditto.
25 * haifa-sched.c: Ditto.
37 * doc/contrib.texi: Ditto.
39 * doc/gcc.texi: Ditto.
41 * genattrtab.h: Remove it.
43 * genautomata.c: Remove it.
45 * genattr.c: Undo my patch and Richard Henderson's patch commited
48 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
50 * config.gcc (h8300-*-elf*): New case.
51 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
52 (SUBTARGET_CPP_SPEC): Define.
53 (EXTRA_SPECS): Define.
54 (SUBTARGET_EXTRA_SPECS): Define.
55 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
56 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
58 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
60 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
61 (LIB2FUNCS_EXTRA): Define.
62 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
63 config/h8300/fixunssfsi.c: New file.
65 2001-08-30 Kazu Hirata <kazu@hxi.com>
67 * config/h8300/h8300.md (zero_extendqihi2): Changes to
68 define_expand to accomodate target-specific attributes.
69 (anonymous zero_extendqihi2 patterns): New.
71 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
73 * h8300.md (*andorhi3): New pattern.
75 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
77 * h8300.c (dosize): Fix test for "sub".
79 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
81 * c-typeck.c (pointer_diff): Try to eliminate common term before
84 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
86 * reload1.c (move2add_note_store): Correct typo checking for
89 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
91 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
92 note should not be considered outside the libcall block.
94 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
96 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
98 2001-08-29 Kazu Hirata <kazu@hxi.com>
100 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
102 2001-08-29 Kazu Hirata <kazu@hxi.com>
104 * config/h8300/h8300-protos.h: Add a prototype for
106 * config/h8300/h8300.c (emit_logical_op): New.
107 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
114 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
116 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
117 comparison with rtx INTVAL.
118 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
120 * pa.h (FUNCTION_ARG_SIZE): Likewise.
122 2001-08-29 Kazu Hirata <kazu@hxi.com>
124 * config/h8300/lib1funcs.asm: Update the copyright. Fix
127 2001-08-29 Kazu Hirata <kazu@hxi.com>
129 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
130 (reg n) to (mem (pre_dec (reg n))
131 (anonymous movsi pattern): Likewise.
133 2001-08-29 Kazu Hirata <kazu@hxi.com>
135 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
137 2001-08-29 Kazu Hirata <kazu@hxi.com>
139 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
140 several special constants.
142 2001-08-29 Kazu Hirata <kazu@hxi.com>
144 * config/h8300/lib1funcs.asm: Fix comment typos.
146 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
148 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
149 Fix format specifier warnings.
151 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
152 inet_makeaddr, semctl): Prototype.
154 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
155 (save_restore_insns): Use base_offset, not gp_offset.
157 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
158 (ASM_OUTPUT_BYTE): Fix format specifier warning.
160 2001-08-29 Richard Henderson <rth@redhat.com>
162 * bb-reorder.c (function_tail_eff_head): New.
163 (record_effective_endpoints): Set it.
164 (fixup_reorder_chain): Use it.
166 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
168 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
170 2001-08-28 Dale Johannesen <dalej@apple.com>
172 * config/darwin.c (machopic_function_base_name): Add const
173 qualifier to a string.
174 (darwin_encode_section_info): Ditto.
176 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
178 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
181 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
183 * df.h (struct df): Add rts_order variable.
185 * df.c (df_visit_next_rts): New function.
186 (df_visit_next): Renamed to df_visit_next_rc
187 (df_analyse_1): Allocate/compute/free rts_order as well.
188 (df_rd_global_compute): Use df_visit_next_rc instead of
190 (df_ru_global_compute): Use df_visit_next_rts instead of
193 * flow.c (flow_reverse_top_sort_order_compute): New function.
195 * basic-block.h: Add prototype.
197 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
199 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
200 blocks, the BB_REACHABLE is now set, rather than aux being
201 non-NULL. Update the test to reflect this.
203 2001-08-28 Eric Christopher <echristo@redhat.com>
205 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
206 config/mips/crti.asm: Ditto.
208 2001-08-28 Eric Christopher <echristo@redhat.com>
209 Richard Henderson <rth@redhat.com>
211 * c-pragma.h (add_weak): Move prototype from here...
212 * output.h (add_weak): ... to here.
213 * varasm.c (add_weak): Fix typo.
214 * config/mips/crti.asm: New file.
215 * config/mips/crtn.asm: Ditto.
216 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
217 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
218 (INVOKE__main): Ditto.
219 (INIT_SECTION_ASM_OP): New.
220 (FINI_SECTION_ASM_OP): Ditto.
221 (STARTFILE_SPEC): Add crti.
222 (ENDFILE_SPEC): Add crtn.
223 * config/mips/elf64.h: Same.
224 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
226 * config/mips/vxworks.h: Ditto.
227 * config/mips/t-elf: Support crti and crtn.
229 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
231 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
234 2001-08-28 Richard Henderson <rth@redhat.com>
236 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
237 (one_cmplbi2 splitter): Remove redundant test.
239 2001-08-28 Dale Johannesen <dalej@apple.com>
241 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
243 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
245 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
247 2001-08-28 Stan Shebs <shebs@apple.com>
249 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
250 (UNALIGNED_SHORT_ASM_OP): Define.
251 (UNALIGNED_INT_ASM_OP): Define.
253 2001-08-28 Will Cohen <wcohen@redhat.com>
255 * config/rs6000/rs6000.md (store_multiple): Correct RTL
256 generation for first set.
258 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
260 * flow.c (redirect_edge_succ_nodup): Return new edge.
261 (try_simplify_condjump): Use new edge.
262 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
264 * cse.c (cse_basic_block): Skip note instructions.
266 2001-08-27 Richard Henderson <rth@redhat.com>
268 * combine.c (combine_simplify_rtx): Don't reverse condition
269 if there is no reverse for the condition.
270 (simplify_comparison): Don't simplify subregs from INT to FP.
272 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
273 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
274 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
275 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
276 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
277 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
279 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
281 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
282 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
284 (adddi_dilshr32, adddi_dishl32): Only data register can be
285 source for mem destination.
287 * expmed.c (store_bit_field): Ignore adjustment to bitpos
288 and use bitnum to decide about register move.
290 2001-08-27 Richard Henderson <rth@redhat.com>
292 * genattr.c (main): Emit state_t even when not doing scheduling.
294 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
295 Richard Henderson <rth@redhat.com>
297 * gcse.c (reg_first_set, reg_last_set): Replace with ...
298 (reg_avail_info, current_bb): ... these.
299 (oprs_unchanged_p, record_last_reg_set_info): Use them.
300 (compute_hash_table): Likewise.
302 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
304 * flow.c (verify_flow_info): Use checksums to verify edges.
306 2001-08-27 Richard Henderson <rth@redhat.com>
308 * genautomata.c (expand_automata): Always create a description.
310 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
312 * optabs.c (expand_binop): Correctly handle the carry in multiword
313 add/subtract operations.
315 2001-08-27 Fred Fish <fnf@be.com>
317 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
320 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
322 * reload.c (find_reloads_toplev): Back out this change:
324 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
326 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
327 mem if the address is a mode_dependent_address_p.
329 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
331 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
332 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
333 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
336 * genattr.c (main): New variable num_insn_reservations. Increase
337 it if there is DEFINE_INSN_RESERVATION. Output automaton based
338 pipeline hazard recognizer interface.
340 * genattrtab.h: New file.
342 * genattrtab.c: Include genattrtab.h.
343 (attr_printf, check_attr_test, make_internal_attr,
344 make_numeric_value): Move protypes into genattrtab.h. Define them
346 (num_dfa_decls): New global variable.
347 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
348 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
349 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
350 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
352 * genautomata.c: New file.
354 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
356 * sched-int.h: (curr_state): Add the external definition for
357 automaton pipeline interface.
358 (haifa_insn_data): Add comments for members blockage and units.
360 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
361 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
362 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
363 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
364 TARGET_SCHED_DFA_POST_CYCLE_INSN,
365 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
366 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
368 (TARGET_SCHED): Use the new macros.
370 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
371 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
372 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
373 dfa_bubble): New members in gcc_target.sched.
375 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
376 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
377 (insn_queue): Redefine it as pointer to array.
378 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
380 (max_insn_queue_index_macro_value): New variable.
381 (curr_state, dfa_state_size, ready_try): New varaibles for
383 (ready_element, ready_remove, max_issue): New function prototypes
384 for automaton interface.
385 (choose_ready): New function prototype.
386 (insn_unit, blockage_range): Add comments.
387 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
388 FUNCTION_UNITS_SIZE == 0.
389 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
390 actual_hazard, potential_hazard): Add comments.
391 (insn_cost): Use cost -1 as undefined value. Remove
392 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
394 (ready_element, ready_remove): New functions for automaton
396 (schedule_insn): Add new code for automaton pipeline interface.
397 (queue_to_ready): Add new code for automaton pipeline interface.
398 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
399 (debug_ready_list): Print newline when the queue is empty.
400 (max_issue): New function for automaton pipeline interface.
401 (choose_ready): New function.
402 (schedule_block): Add new code for automaton pipeline interface.
403 Print ready list before scheduling each insn.
404 (sched_init): Add new code for automaton pipeline interface.
405 Initiate insn cost by -1.
406 (sched_finish): Free the current automaton state and finalize
407 automaton pipeline interface.
409 * sched-rgn.c: Include target.h.
410 (init_ready_list, new_ready, debug_dependencies): Add new code for
411 automaton pipeline interface.
413 * sched-vis.c: Include target.h.
414 (get_visual_tbl_length): Add code for automaton interface.
415 (target_units, print_block_visualization): Add comments.
417 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
418 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
419 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
420 (getruntime.o, genautomata.o): New entries.
421 (genattrtab.o): Add new dependency file genattrtab.h.
422 (genattrtab): Add new dependencies. Link it with `libm.a'.
423 (getruntime.o, hashtab.o): New entries for canadian cross.
425 * doc/md.texi: Description of automaton based model.
427 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
429 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
430 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
431 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
432 TARGET_SCHED_DFA_POST_CYCLE_INSN,
433 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
434 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
435 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
437 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
438 MAX_DFA_ISSUE_RATE): New macro descriptions.
440 * doc/contrib.texi: Add dfa based scheduler contribution.
442 * doc/gcc.texi: Add more information about genattrtab.
444 2001-08-27 Diego Novillo <dnovillo@redhat.com>
446 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
449 2001-08-27 Richard Henderson <rth@redhat.com>
451 * function.c (expand_function_end): Don't init arg_pointer_save_area.
452 (get_arg_pointer_save_area): New. Create an init it here.
453 (fix_lexical_addr): Use it.
454 * function.h: Declare it.
455 * builtins.c (expand_builtin_setjmp_receiver): Use it.
456 * stmt.c (expand_nl_goto_receiver): Use it.
458 2001-08-27 Richard Henderson <rth@redhat.com>
460 * final.c (final_scan_insn): Don't enter APP_ON mode for
463 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
464 alignment for assemble_integer for DW_EH_PE_aligned.
465 * except.c (output_function_exception_table): Likewise.
467 2001-08-26 Andreas Jaeger <aj@suse.de>
469 * c-tree.h: Add prototyp for c_sizeof_nowarn.
471 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
473 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
475 2001-08-27 Alan Modra <amodra@bigpond.net.au>
477 * config/rs6000/rs6000.c (mask_operand): Rewrite without
479 (mask64_operand): Likewise.
480 (rldic_operand): Delete.
481 (includes_lshift64_p): Delete.
482 (includes_rldic_lshift_p): New function.
483 (includes_rldicr_lshift_p): New function.
484 (print_operand): Don't call rldic_operand in case 'W'.
485 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
486 (includes_lshift64_p): Remove.
487 (includes_rldic_lshift_p): Declare.
488 (includes_rldicr_lshift_p): Declare.
489 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
490 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
491 Replace match_operand rldic_operand predicate with
492 const_int_operand. Replace includes_lshift64_p condition with
493 includes_rldic_lshift_p.
494 <ashldi3_internal 64 bit rldicr patterns>: New.
496 2001-08-27 Andreas Jaeger <aj@suse.de>
498 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
499 * errors.c: Likewise.
501 * dwarf2asm.c: Likewise.
502 * doprint.c (checkit): Likewise.
503 * diagnostic.c: Likewise.
504 * collect2.c: Likewise.
506 * c-semantics.c (build_stmt): Likewise.
507 * c-format.c (status_warning): Likewise.
508 * c-errors.c (pedwarn_c99): Likewise.
509 * builtins.c (validate_arglist): Likewise.
510 * config/pj/pj.c (pj_printf): Likewise.
511 * fix-header.c: Likewise.
513 * gcov.c (fnotice): Likewise.
514 * gensupport.c (message_with_line): Likewise.
515 * mips-tfile.c: Likewise.
516 * protoize.c (notice): Likewise.
517 * read-rtl.c (fatal_with_file_and_line): Likewise.
518 * rtl-error.c: Likewise.
519 * tradcpp.c: Likewise.
521 * cp/tree.c (build_min_nt): Likewise.
522 (build_min): Likewise.
523 * cp/lex.c: Likewise.
524 * cp/errfn.c: Likewise.
525 * cp/rtti.c (create_pseudo_type_info): Likewise.
527 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
529 * df.c (df_uses_record): Return after recording all uses
532 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
534 * df.c (df_insn_modify): Realloc the INSN table here, if
535 necessary, here, too.
537 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
539 * config/mips/mips.c (mips_function_value): Handle complex return
542 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
544 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
546 * reload.c (make_memloc): Copy result if it is still
547 reg_equiv_memory_loc[regno] on return.
548 (subst_reloads) [ENABLE_CHECKING]: Check that none of
549 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
550 reg_equiv_mem are modified by the substitutions.
552 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
554 * predict.c (expensive_function_p): New.
555 * rtl.h (expensive_function_p): Declare.
556 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
557 (use_fast_prologue_epilogue): New static variable.
558 (expand_prologue): Set it; emit short prologues if unset.
559 (expand_epilogue): Likewise.
561 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
563 * config.gcc: Add stormy16-*-elf case.
564 * config/stormy16/stormy-abi: New file.
565 * config/stormy16/stormy16-lib2.c: New file.
566 * config/stormy16/stormy16-protos.h: New file.
567 * config/stormy16/stormy16.c: New file.
568 * config/stormy16/stormy16.h: New file.
569 * config/stormy16/stormy16.md: New file.
570 * config/stormy16/t-stormy16: New file.
572 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
574 * i386.h (no-accumulate-outgoing-args): Use proper mask.
576 2001-08-24 David Edelsohn <edelsohn@gnu.org>
578 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
579 descriptor members are pointer size, not constant 4.
580 * config/rs6000/rs6000.md (define_splits): Remove more unused
583 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
585 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
587 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
589 * cp/rtti.c (VPARAMS): Fix parameter.
591 2001-08-24 Zack Weinberg <zackw@panix.com>
593 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
595 (mode_for_extraction): No need for #ifdefs. Add default-case abort
597 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
598 in if controlling use of insv.
599 (extract_bit_field): Likewise, for extv and extzv.
601 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
603 * i386.md (movcc peep2): Fix load of 0.
605 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
607 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
608 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
610 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
612 * c-pragma.h: Move weak_syms and weak_decls...
613 * varasm.c: ...here. Now static.
614 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
615 depend on HANDLE_PRAGMA_WEAK.
617 * c-common.c (c_alignof, c_alignof_expr): Move here...
618 * c-typeck.c: ...from here.
619 * c-tree.h, c-common.h: Adjust.
621 2001-08-23 Bernd Schmidt <bernds@redhat.com>
623 * config/ia64/ia64.c (rws_update): If !pred, set write_count
624 instead of incrementing it.
626 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
627 asm ready, don't try to move them all into the same array element.
629 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
631 * function.c (thread_prologue_and_epilogue_insns): Avoid
632 fallthru flag on edge to exit.
634 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
636 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
639 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
641 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
642 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
643 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
646 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
648 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
649 replace "GNU CC" with "GCC".
651 2001-08-23 Richard Henderson <rth@redhat.com>
653 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
654 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
655 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
656 Need GR between FR and not GR_AND_FR.
657 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
658 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
659 AR regs before GR regs.
660 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
661 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
662 (REGISTER_MOVE_COST): Update.
663 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
665 2001-08-23 Richard Henderson <rth@redhat.com>
667 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
670 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
672 * reload1.c (emit_reload_insns): Don't look for notes
673 on a NULL store_insn.
675 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
677 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
678 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
679 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
680 format specifier warnings.
681 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
683 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
685 * config/i386/i386-protos.h: Correct declaration of
686 i386_pe_asm_named_section.
688 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
690 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
692 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
694 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
696 * cpperror.c (print_location): Don't show _Pragma.
697 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
698 and file change callback generation here.
699 (stack_include_file): Update use of cpp_push_buffer.
700 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
701 (struct cpp_buffer): Remove type, pfile members.
702 * cppinit.c (cpp_handle_option): Use free_chain.
703 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
704 (skip_escaped_newlines, get_effective_char, lex_percent): Take
705 a cpp_reader rather than a cpp_buffer.
706 (skip_escaped_newlines, get_effective_char, skip_block_comment,
707 skip_line_comment, parse_string, lex_percent, lex_dot,
708 _cpp_lex_token): Update accordingly.
709 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
711 (cpp_push_buffer): Update prototype.
712 (run_directive): Update use of cpp_push_buffer.
713 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
714 handle_assertion): Update use of run_directive.
715 * cpplib.h (enum cpp_buffer_type): Remove.
716 (cpp_push_buffer): Update prototype.
717 * fix-header.c (read_scan_file): Update.
719 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
721 * gcc.c (struct prefix_list): Change prefix to const char *.
723 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
725 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
727 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
729 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
732 * jump.c (squeeze_notes): Take parms by reference. Handle END being
735 * ifcvt.c (dead_or_predicable): Adjust.
736 * loop.c (find_and_verify_loops): Adjust.
737 * stmt.c (expand_end_case): Adjust.
738 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
739 head and end insn pointers in the basic block, not just local copies.
740 (merge_blocks_move_predecessor_nojumps): Likewise.
742 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
744 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
745 bitmap.h, builtin-types.def, builtins.c, builtins.def,
746 c-aux-info.c, c-common.c, c-common.def, c-common.h,
747 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
748 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
749 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
750 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
751 conditions.h, config.gcc, configure.frag, configure.in,
752 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
753 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
754 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
755 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
756 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
757 emit-rtl.c, errors.c, errors.h, except.c, except.h,
758 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
759 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
760 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
761 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
762 gencheck.c, gencodes.c, genconfig.c, genemit.c,
763 genextract.c, genflags.c, gengenrtl.c, genmultilib,
764 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
765 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
766 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
767 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
768 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
769 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
770 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
771 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
772 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
773 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
774 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
775 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
776 params.h, predict.c, predict.def, predict.h, prefix.c,
777 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
778 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
779 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
780 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
781 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
782 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
783 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
784 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
785 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
786 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
787 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
788 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
789 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
790 xcoffout.h: replace "GNU CC" with "GCC".
792 2001-08-21 Richard Henderson <rth@redhat.com>
794 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
795 (final_scan_insn): Consider jump tables data even if we have no
796 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
798 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
799 (ASM_OUTPUT_CASE_END): Remove.
800 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
801 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
802 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
804 2001-08-21 Richard Henderson <rth@redhat.com>
806 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
807 at barrier insns. Emit stop bits before barriers.
809 * flow.c (flow_find_cross_jump): Don't consider unconditional
810 return insns for commoning.
812 * final.c (compute_alignments): Fix typo.
814 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
815 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
816 (store_bit_field): Use mode_for_extraction more places.
817 (extract_bit_field): Likewise.
819 2001-08-21 Zack Weinberg <zackw@panix.com>
821 * caller-save.c: Don't include insn-codes.h.
822 (reg_save_code, reg_restore_code): Make arrays of int.
823 All uses updated to match.
824 (insert_save, insert_restore): No need to initialize "code"
825 variable upon declaration.
826 * Makefile.in: update dependencies; fix typo in clean rule.
828 2001-08-21 Richard Henderson <rth@redhat.com>
830 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
831 (merge_if_block): Handle fallout from same.
833 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
835 * builtins.c (type_to_class): Fix typo in last change.
837 2001-08-21 Richard Henderson <rth@redhat.com>
839 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
840 ia64_asm_output_label.
842 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
843 copy of gp while the real gp register contains garbage.
845 2001-08-21 Zack Weinberg <zackw@panix.com>
847 * expmed.c (mode_for_extraction): New function.
848 (store_bit_field, extract_bit_field): Use it.
849 * expr.h: Prototype it and provide an enum for its first argument.
851 * combine.c, function.c, recog.c: Don't include insn-codes.h.
852 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
853 and digging through the insn_data tables.
854 * Makefile.in: Update dependencies.
856 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
858 * cppfiles.c (stack_include_file): line-map.c now handles include
860 (handle_missing_handler): Similarly.
861 (_cpp_execute_include): Similarly.
862 (_cpp_pop_file_buffer): Similarly.
863 * cpphash.h (struct cpp_reader): Remove system_include_depth,
864 buffer_stack_depth and include_depth.
865 * cpplib.c (do_include_common): line-map.c now handles include depth.
866 (cpp_push_buffer): Similarly.
867 (_cpp_pop_buffer): Similarly.
868 * cppmacro.c (builtin_macro): Update.
869 * line-map.c (init_line_maps): Set depth.
870 (add_line_map): Increment "used" earlier. Update and use the
872 (trace_include): Use the include depth.
873 * line-map.h (struct line_maps): New member depth.
875 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
877 * cppfiles.c (stack_include_file): Don't handle -H here.
878 * cppinit.c (cpp_start_read): Set include tracing after
879 cpp_post_options and after stacking the main file.
880 * line-map.c (trace_include): New.
881 (init_line_maps, add_line_map): Update.
882 * line-map.h (struct line_maps): New member trace_includes.
884 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
886 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
887 * cppfiles.c (stack_include_file): Only stack a file if there
888 is something to do. Return a boolean indicating whether a
889 buffer was stacked or not.
890 (_cpp_execute_include): Similarly.
891 (_cpp_read_file): Similarly.
892 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
894 2001-08-21 Sam Steingold <sds@gnu.org>
896 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
897 (RECACHE): keep obufp_before_macroname up to date
899 2001-08-21 Zack Weinberg <zackw@panix.com>
901 * stmt.c: Don't include insn-codes.h.
902 (expand_end_case): Machine specific logic moved to expr.c.
903 No need to worry about __builtin_classify_type.
904 (check_for_full_enumeration_handling, emit_case_nodes):
907 * builtins.o (expand_builtin_classify_type): Split up so code
908 can be shared with fold_builtin_classify_type.
909 (type_to_class, fold_builtin_classify_type): New functions.
910 (fold_builtins): Handle __builtin_classify_type.
912 * expr.c (do_tablejump): Now static.
913 (case_values_threshold, try_casesi, try_tablejump): New;
914 code mostly from stmt.c (expand_end_case).
915 (expr.h): Update prototypes.
917 * Makefile.in (stmt.o): Update dependencies.
919 2001-08-21 Will Cohen <wcohen@redhat.com>
921 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
922 declaration of variable i.
923 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
924 declaration of variable i.
926 2001-08-21 Richard Henderson <rth@redhat.com>
928 * crtstuff.c: Fix thinko last change. Move list tails to start
929 of CRT_END section. Tidy ifdefs.
930 (__EH_FRAME_BEGIN__): Always static for ELF.
931 (__do_global_ctors_1): Rename from __frame_dummy.
932 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
933 name change; don't hide __EH_FRAME_BEGIN__.
935 2001-08-21 Richard Henderson <rth@redhat.com>
937 * gdbinit.in: Move break on exit after break on fancy_abort.
939 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
942 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
944 * cpphash.h (_cpp_push_next_buffer): New.
945 * cppinit.c (do_includes): Remove.
946 (push_include, free_chain, _cpp_push_next_buffer): New.
947 (cpp_start_read): Use them to rework command line option handling.
948 (cpp_handle_option): Combine handling of -include and -imacros.
949 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
950 appropriate. Always insert missing \n at EOF.
951 * cpplib.c (start_directive): Get the directive position right.
952 * cppmain.c (cb_file_change): Always print the first line, unless
955 2001-08-20 Andreas Jaeger <aj@suse.de>
957 * profile.c (compute_branch_probabilities): Remove extra new-line
959 * flow.c (verify_flow_info): Likewise.
961 2001-08-20 Diego Novillo <dnovillo@redhat.com>
963 * basic-block.h (basic_block): Add new field 'flags'.
964 (BB_REACHABLE): Define.
965 (expunge_block): Declare.
966 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
967 (EXIT_BLOCK_PTR): Ditto.
968 (expunge_block): Remove static declaration.
969 (cleanup_cfg): Clear bb->aux on every basic block.
970 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
971 computing reachability.
972 (delete_unreachable_blocks): Delete block b if b->flags has
975 2001-08-20 Diego Novillo <dnovillo@redhat.com>
977 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
979 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
981 * sparc.c (sparc_variable_issue): Fix typo in last change.
983 2001-08-20 Richard Henderson <rth@redhat.com>
985 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
987 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
989 * pa.h (RETURN_IN_MEMORY): Improve comment.
991 2001-08-20 Janis Johnson <janis187@us.ibm.com>
993 * doc/invoke.texi (Profiling options): Clarify the interactions
994 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
996 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
998 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
1001 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1003 * gcc.c (make_relative_prefix): Allocate a sufficiently large
1006 2001-08-20 Richard Henderson <rth@redhat.com>
1008 * final.c (end_final): Fix typo last change.
1010 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
1012 * cppinit.c (init_standard_includes): The returned buffer
1013 is already malloc-ed.
1014 * gcc.c (add_prefix): Similarly.
1015 * prefix.c (translate_name): Update to support clear buffer
1017 (update_path): Similarly. Be sure to free any newly allocated
1018 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
1020 * prefix.h (update_path): Update prototype and document.
1021 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
1022 up and update to new buffer ownership rules.
1023 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
1025 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1027 * final.c (compute_alignments): New function.
1028 (init_insn_lengths): Do not care label_align.
1029 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
1030 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
1031 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
1032 (shorted_branches): Realloc label_align array; do
1033 not call init_insn_lengths; Do not care about loop alignments.
1034 * output.h (compute_alignments): Declare.
1035 * toplev.c (rest_of_compilation): Call compute_alignments.
1036 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
1038 * predict.c (block_info_def): Add npredecesors, remove nvisited;
1039 change visited to tovisit.
1040 (propagate_freq): Use faster traversing algorithm.
1041 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
1042 to tovisit; reverse meaning.
1044 * predict.c (struct block_info_def): Remove nvisited.
1045 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
1046 (estimate_bb_frequencies): Call mark_dfs_back_edges.
1048 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
1050 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
1051 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
1052 (TARGET_FUSED_MADD): New.
1053 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
1054 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
1055 the multiply-add instructions.
1057 2001-08-19 Richard Henderson <rth@redhat.com>
1059 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
1060 is aligned to pointer size.
1062 2001-08-19 Richard Henderson <rth@redhat.com>
1064 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
1065 display markers during final schedule.
1067 2001-08-19 Richard Henderson <rth@redhat.com>
1069 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
1071 2001-08-19 Richard Henderson <rth@redhat.com>
1073 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
1075 (ASM_NAME_TO_STRING): Remove.
1076 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
1077 in the same string. Remove support for expressions.
1079 2001-08-19 Richard Henderson <rth@redhat.com>
1081 * config/i386/i386.md (tablejump): Make an expander; handle
1082 pic relative addressing here.
1083 (tablejump_1): Rename from tablejump_pic.
1086 2001-08-19 Richard Henderson <rth@redhat.com>
1088 * regclass.c (fix_register): Fix typo.
1090 2001-08-18 Richard Henderson <rth@redhat.com>
1092 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
1093 (struct _Unwind_Context): Expand br_loc to hold it.
1094 (uw_frame_state_for): Handle leaf functions better.
1095 (uw_update_reg_address): Update for br_loc change.
1097 2001-08-18 Richard Henderson <rth@redhat.com>
1099 * crtstuff.c: Move list heads before code that uses them.
1100 (__JCR_LIST__): Remove initial null.
1101 (frame_dummy, __frame_dummy): Do java registration here ...
1102 (__do_global_ctors_aux): ... not here.
1104 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
1105 (__do_global_dtors_aux): Update to match.
1106 (__JCR_LIST__, __do_jv_register_classes): New.
1108 * config/ia64/crtend.asm (__JCR_END__): New.
1109 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
1110 instead of an indirect LTOFF22 reloc.
1112 2001-08-18 Richard Henderson <rth@redhat.com>
1114 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
1115 * regclass.c (init_reg_sets_1): Fix typo.
1116 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
1117 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
1118 (ia64_compute_frame_size): Make ar.unat live when in use.
1119 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
1120 for ar.pfs; remove ar.unat handling.
1121 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
1123 (PREDICATE_CODES): Add ar_pfs_reg_operand.
1124 * config/ia64/ia64-protos.h: Update decls.
1125 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
1126 (sibcall_pic): Likewise.
1128 2001-08-18 Richard Henderson <rth@redhat.com>
1130 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
1131 pred_rel_mutex when searching for insn_group_barrier.
1132 * config/ia64/ia64.md (cycle_display): Combine the expander
1135 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
1136 bit before asm as needed.
1138 2001-08-18 Richard Henderson <rth@redhat.com>
1140 * timevar.def (TV_MACH_DEP): New.
1141 * toplev.c (rest_of_compilation): Use it.
1142 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
1144 2001-08-18 Zack Weinberg <zackw@panix.com>
1146 * unwind-dw2.c (execute_stack_op): Add default aborts to
1147 the inner switches to prevent warnings.
1149 2001-08-18 Richard Henderson <rth@redhat.com>
1151 * timevar.h (struct timevar_time_def): Change element type to float.
1152 (ticks_to_msec, clocks_to_msec): Likewise.
1153 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
1154 (get_time): Likewise.
1155 (timevar_print): Adjust zero check and printing to match.
1157 2001-08-18 Zack Weinberg <zackw@panix.com>
1159 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
1160 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
1161 Eliminate overfull or underfull hboxes.
1163 2001-08-18 Zack Weinberg <zackw@panix.com>
1165 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
1167 2001-08-18 Zack Weinberg <zackw@panix.com>
1169 * haifa-sched.c: Convert to target hooks. Macros replaced
1170 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
1171 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
1172 MD_SCHED_FINISH, and HAVE_cycle_display.
1173 * target-def.h (TARGET_SCHED_ADJUST_COST,
1174 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
1175 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
1176 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
1177 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
1178 New hook #defines to be overridden.
1179 (TARGET_SCHED): Bring them all together.
1180 (TARGET_INITIALIZER): Update.
1181 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
1182 instead of 'struct rtx_def *' throughout.
1183 (struct sched): New set of hooks for the scheduler.
1184 * Makefile.in (haifa-sched.o): Depend on target.h.
1185 * doc/tm.texi: Document the new scheduler hooks, together in
1186 their own section, instead of scattered around.
1187 Fix a bunch of underfull/overfull hboxes.
1189 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
1190 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
1191 sparc.h: Don't define any of the old scheduler macros.
1193 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
1194 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
1195 sparc.c: Create hook functions from code extracted from
1196 corresponding target header, or make existing hooks static, as
1197 appropriate. Set the appropriate entries in targetm.
1199 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
1200 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
1201 rs6000-protos.h, s390-protos.h, sparc-protos.h:
1202 Remove prototypes for functions which are now static.
1204 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
1205 related gunk; the Haifa scheduler is now the only choice.
1207 2001-08-18 Zack Weinberg <zackw@panix.com>
1209 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
1210 * genopinit.c: Put floating point divide insns in sdiv_optab.
1211 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
1212 * config/gofast.h, config/c4x/c4x.h,
1213 config/ia64/hpux_longdouble.h, config/mips/mips.h,
1214 config/pa/long_double.h, config/rs6000/sysv4.h,
1215 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
1216 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
1217 (init_optabs): Use init_optabv for overflow-trapping optabs.
1218 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
1219 cmp_optab RTX codes so have_insn_for can find them.
1221 * optabs.c (expand_simple_binop, expand_simple_unop,
1222 have_insn_for, gen_sub3_insn): New interfaces.
1223 * expr.h: Prototype new functions.
1224 (enum optab_methods): Move here from optabs.h.
1226 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
1227 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
1228 Use new functions instead of working directly with optabs.
1229 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
1230 unroll.c: Don't include optabs.h.
1231 * caller-save.c, combine.c, function.c, stmt.c: Just include
1232 insn-codes.h, not optabs.h.
1233 * Makefile.in: Update dependencies.
1235 * combine.c (make_compound_operation, simplify_comparison):
1236 Fix typos testing for this or that instruction.
1238 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1240 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
1241 generating libgcc.a.
1243 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1245 * except.c (TYPE_HASH): Delete.
1247 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
1250 * tree.c (TYPE_HASH): Delete.
1252 * tree.h (TYPE_HASH): Define.
1254 2001-08-18 Graham Stott <grahams@redhat.com>
1256 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
1258 (adddi3_internal_2+2): Likewise.
1259 (eh_set_lr_di+1): Likewise.
1261 2001-08-17 Richard Henderson <rth@redhat.com>
1263 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1264 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
1265 * dwarf2asm.c: ... here.
1266 * dwarfout.c: Remove them.
1268 * varasm.c (assemble_integer): Add align parameter.
1269 (assemble_real, output_constant, output_constructor): Likewise.
1270 * output.h: Update decls.
1271 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
1272 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
1273 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
1274 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
1275 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
1278 * final.c (end_final): Abort profile block generation if we
1279 havn't layed it out properly.
1280 * output.h (assemble_eh_integer): Remove stale decl.
1281 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
1283 (assemble_integer): Handle unaligned data.
1284 (assemble_real): Abort on unaligned data.
1285 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
1287 (default_dtor_section_asm_out_destructor): Use assemble_align.
1288 (default_named_section_asm_out_constructor): Likewise.
1289 (default_ctor_section_asm_out_constructor): Likewise.
1290 * config/darwin.c (machopic_asm_out_constructor): Likewise.
1291 (machopic_asm_out_destructor): Likewise.
1292 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
1293 (nextstep_asm_out_destructor): Likewise.
1294 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
1295 (vms_asm_out_destructor): Likewise.
1297 2001-08-17 Richard Henderson <rth@redhat.com>
1299 * config/mips/iris6.h (TARGET_IRIX6): New.
1300 (current_section_name, current_section_flags): New.
1301 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
1302 (MAX_OFILE_ALIGNMENT): New.
1303 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
1304 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
1305 (copy_file_data): Split out from
1306 (mips_asm_file_end): ... here.
1307 (mips_asm_file_start): Remove extra .section directive. Use
1308 tmpfile instead of mips_make_temp_file.
1309 (mips_unique_section): Use const char * as needed for warnings.
1310 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
1311 re-add align parameter.
1312 (iris6_asm_named_section): New.
1313 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
1314 (iris6_asm_output_align, iris6_section_align_1): New.
1315 (iris6_asm_file_start, iris6_asm_file_end): New.
1316 * config/mips/mips-protos.h: Update decls.
1318 2001-08-17 Janis Johnson <janis187@us.ibm.com>
1320 * doc/install.texi (Install GCC): Add links to build status pages.
1322 (Final install): Ditto; request updates for specific info
1324 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
1326 * cpperror.c (print_location): Don't take a file name; use the
1328 (_cpp_begin_message): Similarly.
1329 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1330 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
1331 (cpp_pedwarn_with_file_and_line): Remove.
1332 * cppfiles.c (stack_include_file): Update; set filename to stdin
1333 here when appropriate.
1334 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
1335 (_cpp_begin_message): Don't take a file name.
1336 * cppinit.c: Add comment.
1337 * cpplex.c: Fix end-of-directive indicator.
1338 * cpplib.c: Don't include intl.h.
1339 (run_directive, do_diagnostic): Update.
1340 (do_line): Update to not use nominal_fname.
1341 (cpp_push_buffer): Don't take a filename.
1342 * cpplib.h (struct ht): Remove.
1343 (cpp_push_buffer): Don't take a filename.
1344 (cpp_pedwarn_with_file_and_line): Remove.
1345 * cppmacro.c (struct cpp_macro): Remove file.
1346 (builtin_macro): Update.
1347 (_cpp_create_definition): Update.
1348 * cppmain.c: Correct comment.
1349 * fix-header.c (read_scan_file): Update.
1351 2001-08-17 Kazu Hirata <kazu@hxi.com>
1353 * sbitmap.c: Fix comment formatting.
1354 * sched-deps.c: Likewise.
1355 * sibcall.c: Likewise.
1356 * simplify-rtx.c: Likewise.
1358 * ssa-ccp.c: Likewise.
1359 * stor-layout.c: Likewise.
1360 * timevar.c: Likewise.
1361 * toplev.c: Likewise.
1362 * unwind-dw2.c: Likewise.
1363 * unwind-dw2-fde.c: Likewise.
1364 * varasm.c: Likewise.
1366 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1368 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
1369 or larger than an integer in memory.
1371 2001-08-17 Zack Weinberg <zackw@panix.com>
1373 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
1374 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
1375 * rtl.h: Don't forward-declare union tree_node here. Don't
1376 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
1377 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
1378 and tree respectively.
1379 * tree.h: Don't forward-declare struct rtx_def here. Don't
1380 typedef tree here. Change all uses of struct rtx_def *,
1381 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
1382 and tree respectively.
1384 2001-08-17 Richard Henderson <rth@redhat.com>
1386 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
1387 config/mips/openbsd.h: Fix typos last change.
1389 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1391 * doc/invoke.texi (Optimize Options): The default for
1392 -finline-limit is 600.
1394 2001-08-17 Richard Henderson <rth@redhat.com>
1396 * varasm.c (text_section): Allow TEXT_SECTION to override the
1397 printing of TEXT_SECTION_ASM_OP.
1398 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
1399 (DATA_SECTION, BSS_SECTION): Remove.
1400 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
1401 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
1402 Rename from s/_NAME//.
1403 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
1404 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
1405 (TEXT_SECTION): ... here. New.
1406 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
1407 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
1408 * config/mips/openbsd.h: Likewise.
1409 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
1410 (mips_asm_file_end): Likewise test.
1411 (mips_output_function_epilogue): Likewise. Switch back to data
1412 section after emitting the function.
1414 * doc/tm.texi (Sections): Document TEXT_SECTION.
1416 2001-08-17 Richard Henderson <rth@redhat.com>
1418 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
1419 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
1421 2001-08-17 Richard Henderson <rth@redhat.com>
1423 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
1424 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
1425 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
1426 Add aligned attribute.
1428 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
1430 * config/sh/sh.md: Add modes to unspecs in first insn to match
1431 those in the second.
1433 * Makefile.in: Fix collect2 copy for Cygwin.
1435 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1437 Install the proper patch.
1438 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
1439 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
1440 (expand_function_start): Likewise.
1441 * stmt.c (expand_decl): Likewise.
1442 * varasm.c (make_decl_rtx): Likewise.
1444 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1446 * final.c: Undo my previous accidental checkin.
1447 * output.h: Likewise.
1448 * tm.texi: Likewise.
1450 2001-08-16 Richard Henderson <rth@redhat.com>
1452 * varasm.c (named_section_flags): Remove align parameter.
1453 * varasm.c, dwarf2out.c: Update all callers.
1454 * output.h: Update prototypes.
1456 * target.h (target.asm_out.named_section): Remove align parameter.
1457 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
1458 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
1459 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
1460 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
1461 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
1463 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
1464 (get_named_section_flags, set_named_section_flags): New.
1465 (named_section_flags): Use them.
1466 (named_section): Do decl vs section flags check here...
1467 (default_section_type_flags): ... not here.
1468 (init_varasm_once): Create in_named_htab.
1469 (resolve_unique_section): Mark reloc unused.
1471 2001-08-16 Richard Henderson <rth@redhat.com>
1473 * varasm.c (force_const_mem): Keep pool alignment in bits.
1474 (output_constant_pool): Use assemble_align.
1476 2001-08-16 Zack Weinberg <zackw@panix.com>
1478 * doc/tm.texi: Remove extra @table command.
1480 2001-08-16 Zack Weinberg <zackw@panix.com>
1482 * final.c (shorten_branches): Clear the end of the label_align
1483 array only if we made it larger. Break up messy expressions
1486 * diagnostic.c (internal_error): Check for error recursion
1487 before doing ICE suppression.
1489 * timevar.c: Timing variables now count in milliseconds.
1490 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
1491 (get_time): Not here.
1492 (timevar_print): Don't print any timer whose user, cpu, and
1493 wall times are all zero as displayed.
1494 * timevar.h: Update comment aboout units. Make timevar
1497 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1499 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
1500 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
1501 (expand_function_start): Likewise.
1502 * stmt.c (expand_decl): Likewise.
1503 * varasm.c (make_decl_rtx): Likewise.
1505 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
1507 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
1508 (finalize_record_size): Don't set TYPE_USER_ALIGN.
1510 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1512 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
1515 2001-08-16 Andreas Jaeger <aj@suse.de>
1517 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
1520 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
1522 * rtl.h (only_sets_cc0_p): New prototype.
1523 * jump.c (sets_cc0_p): Handle INSN.
1524 (only_sets_cc0_p): New function.
1525 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
1526 (tidy_fallthru_edge): Likewise.
1527 * integrate.c (copy_insn_list): Likewise.
1528 * unroll.c (unroll_loop): Likewise.
1529 (copy_loop_body): Likewise.
1531 2001-08-15 Jason Eckhardt <jle@redhat.com>
1533 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
1535 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1537 * predict.c (struct block_info_def): Remove nvisited.
1538 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
1539 (estimate_bb_frequencies): Call mark_dfs_back_edges.
1541 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
1542 (ix86_adjust_cost): Teach scheduler that latency to load operand can
1545 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1547 * predict.def: Update hitrates.
1549 2001-08-15 Richard Henderson <rth@redhat.com>
1551 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
1553 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
1555 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
1556 note from its associated jump.
1558 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
1560 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
1561 also on 64-bit s390x targets.
1563 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
1565 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
1567 (arm_expand_prologue): Handled nested functions which take a
1568 variable argument list.
1569 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
1570 macro with an invocation of
1571 arm_compute_initial_elimination_offset.
1572 * config/arm/arm-protos.h: Prototype
1573 arm_compute_initial_elimination_offset.
1575 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1577 * doc/install.texi (Specific, avr): Fix markup.
1578 (Specific, c4x): Ditto.
1580 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1582 * predict.c (dump_prediction): Change `bool' parameter to `int'.
1584 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
1586 * Makefile.in (OBJS): Add rtl-error.o
1587 (rtl-error.o): New rule.
1588 (diagnostic.o): Adjust dependency.
1589 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
1590 error_for_asm, _fatal_insn, _fatal_insn_not_found,
1591 warning_for_asm): Move to...
1592 rtl-error.c: ...here. New file.
1594 2001-08-14 Richard Henderson <rth@redhat.com>
1596 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
1597 if USING_SJLJ_EXCEPTIONS.
1599 2001-08-14 Steve Ellcey <sje@cup.hp.com>
1601 * tlink.c (scan_linker_output): Check string for unsatisfied in
1602 addition to undefined and unresolved.
1604 2001-08-14 Graham Stott <grahams@redhat.com>
1606 * libgcc2.c (*): Replace EH_FRAME_SECTION with
1607 EH_FRAME_SECTION_NAME.
1609 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1611 * genattrtab.c (simplify_test_exp_in_temp): New function.
1612 (simplify_test_exp): Avoid explicit use of temporary obstack.
1613 (simplify_cond, insert_right_side, evaluate_eq_attr,
1614 simplify_and_tree, simplify_or_tree, eliminate_known_true):
1615 Use simplify_test_exp_in_temp.
1616 (optimize_attrs): Iterate until expression stabilizes.
1618 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
1620 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
1621 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
1623 2001-08-13 Richard Henderson <rth@redhat.com>
1625 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
1626 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
1627 * config/arm/conix-elf.h: Likewise.
1629 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
1631 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
1633 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1635 * gcse.c (hash_scan_set): Expressions that are set as part of
1636 jump instructions are not available.
1638 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
1640 * config/s390/s390.c (print_operand, s390_function_prologue,
1641 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
1643 2001-08-13 Richard Henderson <rth@redhat.com>
1645 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
1646 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
1647 * doc/tm.texi (Exception Region Output): Document it.
1649 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
1651 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
1652 DWARF2 instead of stabs by default.
1654 2001-08-13 David Edelsohn <edelsohn@gnu.org>
1656 * config/rs6000/rs6000.c: Include optabs.h.
1658 2001-08-13 David Edelsohn <edelsohn@gnu.org>
1660 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
1661 save/restore routines.
1662 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
1664 2001-08-13 Andreas Jaeger <aj@suse.de>
1666 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
1667 the english is correct.
1669 2001-08-13 Zack Weinberg <zackw@panix.com>
1671 * expr.h: Split out optab- and libfunc-related code to...
1672 * optabs.h, libfuncs.h: ... these new headers.
1674 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
1676 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
1678 * mkconfig.sh: Don't include insn-codes.h from config.h.
1680 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
1681 enum insn_code is available. Move reload_in_optab and
1682 reload_out_optab array declarations to optabs.h.
1683 * regmove.c (gen_add3_insn): Move to optabs.c, export from
1684 there, prototype in expr.h.
1685 * gencodes.c: Cleanup: zap global variables, don't use
1686 printf where puts will do, don't bother defining MAX_INSN_CODE
1687 which nothing uses, let CODE_FOR_nothing get its value implicitly.
1689 * genemit.c, genopinit.c: Include optabs.h in generated file.
1690 * genoutput.c: Include insn-codes.h in generated file.
1691 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
1692 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
1693 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
1694 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
1695 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
1696 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
1698 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
1699 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
1700 config/m88k/m88k.c, config/sparc/sparc.c:
1702 * reload.c: Include expr.h and optabs.h before reload.h.
1703 * config/alpha/alpha.c: Include tree.h before reload.h.
1704 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
1705 and reload.h in that order.
1706 * config/sparc/sparc.c: Include debug.h.
1707 * recog.c: Include insn-codes.h.
1709 2001-08-13 Andreas Jaeger <aj@suse.de>
1711 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
1714 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1716 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
1717 * gcc.c (init_spec): Fix typo in comment.
1718 * varasm.c (data_section): Fix typo in comment.
1720 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1722 * predict.c (dump_prediction): New argument "USED".
1723 (combine_predictions_for_insn): Determine the used heuristics,
1724 output the case no heuristic applied.
1725 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
1727 2001-08-13 Andreas Jaeger <aj@suse.de>
1729 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
1732 2001-08-13 Kazu Hirata <kazu@hxi.com>
1734 * jump.c: Fix formatting.
1736 2001-08-13 Kazu Hirata <kazu@hxi.com>
1738 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
1741 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
1743 * loop.c (check_dbra_loop): Use condjump_label to compute
1746 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
1747 to better document the files they're in.
1749 2001-08-12 Zack Weinberg <zackw@panix.com>
1751 * recog.h (struct insn_operand_data): Shrink 'mode' field
1754 2001-08-12 Kazu Hirata <kazu@hxi.com>
1756 * gcc.c: Fix comment formatting.
1757 * gccspec.c: Likewise.
1760 * genemit.c: Likewise.
1761 * gengenrtl.c: Likewise.
1762 * genrecog.c: Likewise.
1763 * gensupport.c: Likewise.
1764 * ggc-page.c: Likewise.
1765 * global.c: Likewise.
1766 * graph.c: Likewise.
1767 * ifcvt.c: Likewise.
1768 * integrate.c: Likewise.
1770 * libgcc2.c: Likewise.
1772 * mbchar.c: Likewise.
1773 * optabs.c: Likewise.
1774 * predict.c: Likewise.
1775 * prefix.c: Likewise.
1776 * profile.c: Likewise.
1777 * protoize.c: Likewise.
1779 * recog.c: Likewise.
1780 * regclass.c: Likewise.
1781 * regmove.c: Likewise.
1782 * reg-stack.c: Likewise.
1783 * reload1.c: Likewise.
1784 * resource.c: Likewise.
1785 * rtlanal.c: Likewise.
1788 2001-08-12 Kazu Hirata <kazu@hxi.com>
1790 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
1791 a tree representing a constant is passed to the macro.
1793 2001-08-12 Richard Henderson <rth@redhat.com>
1795 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
1796 (rs6000_elf_asm_out_destructor): New.
1797 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
1798 (DTORS_SECTION_ASM_OP): Remove.
1799 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1800 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
1802 2001-08-12 David Edelsohn <edelsohn@gnu.org>
1805 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1806 * gcc.c (set_collect_gcc_options): New function, split out from
1808 Ignore elided switches.
1809 (do_spec_1): Invoke before executing command.
1810 (set_input): Export.
1811 Move declaration ...
1812 * gcc.h (set_input): ... here.
1813 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
1816 2001-08-12 Richard Henderson <rth@redhat.com>
1818 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
1819 thinko wrt TARGET_RELOCATABLE.
1821 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
1823 * fix-header.c (cb_file_change): Update prototype.
1825 2001-08-11 Zack Weinberg <zackw@panix.com>
1827 * toplev.c (set_float_handler): Make static.
1828 * toplev.h: Don't prototype set_float_handler.
1830 * simplify-rtx.c: Don't include setjmp.h.
1831 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
1833 (simplify_unary_operation, simplify_binary_operation): Use them,
1834 via do_float_handler.
1836 * fold-const.c: Don't include setjmp.h.
1837 (exact_real_inverse_1): New function.
1838 (exact_real_inverse): Use it, via do_float_handler.
1840 * varasm.c: Don't include setjmp.h.
1841 (assemble_real_1): New function.
1842 (assemble_real): Use it, via do_float_handler.
1843 Call internal_error if we get a trap here.
1845 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
1846 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
1848 2001-08-11 Zack Weinberg <zackw@panix.com>
1850 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
1851 STACK_BOUNDARY if not already defined.
1853 * calls.c, function.c, reload1.c, explow.c: Don't default
1854 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
1855 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
1857 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
1860 * doc/tm.texi: Document that STACK_BOUNDARY is required;
1861 clarify difference between it and PREFERRED_STACK_BOUNDARY.
1863 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
1865 * cppmacro.c (enter_macro_context): Push macro expansions even
1868 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1870 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
1871 (rs6000_elf_section_type_flags): Actually return a value.
1873 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
1875 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
1876 Clean up code: add missing comments and prototypes, fix warnings,
1877 remove obsolete code, fix spacing to conform to coding style.
1879 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
1881 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
1882 and TARGET_ASM_CLOSE_PAREN.
1883 (regclass_map): CC register belongs to class NO_REGS.
1884 (legitimize_pic_address): Don't generate unnecessary moves
1885 (to avoid confusing loop optimization).
1886 (check_and_change_labels): Replace jump_long by indirect_jump.
1887 (s390_final_chunkify): Don't start a new literal pool on section
1888 switch in 64-bit code.
1889 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
1891 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
1892 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
1893 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
1895 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
1896 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
1897 (CONST_COSTS): Fixed incorrect costs.
1899 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
1900 Use emit_jump instead of emit_jump_insn (gen_jump).
1901 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
1902 (to avoid confusing flow analysis).
1903 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
1904 (casesi, casesi_jump): New.
1905 (jump_long): Removed. Functionality merged into indirect_jump.
1906 (indirect_jump): Accept address_operand, not just register_operand.
1907 (cjump_long, icjump_long): Use same logic as indirect_jump.
1908 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
1909 Fixed broken setjmp/longjmp handling.
1910 (do_builtin_setjmp_setup): Removed.
1912 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
1913 broken GNU as versions that don't accept .quad with large
1914 negative values. Use hexadecimal output instead.
1915 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
1916 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
1917 FUNCTION_EPILOGUE): Removed. Now in targetm.
1919 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
1921 * config/s390/fixdfdi.h: Add missing copyright statement.
1922 Fix type conflicts on 64-bit. Add missing SFmode routines.
1924 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
1927 2001-08-11 Richard Henderson <rth@redhat.com>
1929 * rtl.h (REG_EH_RETHROW): Remove.
1930 * rtl.c (reg_note_name): Update.
1931 * combine.c (distribute_notes): Don't check for it.
1933 2001-08-11 Richard Henderson <rth@redhat.com>
1935 * combine.c (distribute_notes): Place REG_SETJMP.
1937 2001-08-11 Richard Henderson <rth@redhat.com>
1939 * doc/extend.texi (Arrays and pointers implementation): Discourage
1940 relying on sign-extension of pointers.
1942 2001-08-11 H.J. Lu <hjl@gnu.org>
1944 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
1946 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
1947 RDATA_SECTION_ASM_OP.
1949 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1951 * doc/install.texi (Specific, c4x): Fix cross-reference to the
1952 main manual to work both for info and HTML versions.
1954 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
1955 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1957 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
1958 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
1959 (struct cpp_pool): New member first.
1960 * cppinit.c (append_include_chain): Plug memory leaks.
1961 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
1962 Allocate pragma structures from the (aligned) macro pool to
1963 avoid leaking memory.
1964 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
1965 so we don't leak memory.
1966 * hashtable.c (ht_destroy): New.
1967 * hashtable.h (ht_destroy): New.
1969 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
1970 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1972 * c-lex.c (map): Make const.
1973 (cb_file_change): Update for callback passing a line map.
1974 Don't assume we have a previous map. Remove sanity check
1975 about popping too many files.
1976 * cpperror.c (print_location): Make map const.
1977 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
1978 (cpp_make_system_header): Similarly.
1979 (search_from): Similarly.
1980 (_cpp_execute_include): Don't remember where we came from.
1981 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
1982 (struct cpp_reader): Make map const.
1983 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
1984 * cpplib.c (do_line): Update; line maps now hold sysp.
1985 (cpp_push_buffer): Similarly.
1986 (_cpp_do_file_change): Similarly; callback with map instead.
1987 (cpp_get_line_maps): Constify return value.
1988 (_cpp_pop_buffer): Update.
1989 * cpplib.h (struct cpp_file_change): Remove.
1990 (struct cpp_callbacks): Update.
1991 (cpp_get_line_maps): Constify return value.
1992 * cppmacro.c (_cpp_create_definition): Update.
1993 * cppmain.c (struct printer): Constify map.
1994 (maybe_print_line): Similarly.
1995 (print_line): Similarly. Deduce flags 1 and 2 here.
1996 (cb_file_change): Update.
1997 * line-map.c (free_line_maps): Warn regardless.
1998 (add_line_map): Return pointer to const. When passed NULL to_file
1999 with LC_LEAVE, use the obvious values for the return point so the
2000 caller doesn't have to figure them out.
2001 (lookup_line): Return pointer to const.
2002 (print_containing_files): Take pointer to const.
2003 * line-map.h (struct line_map): New members reason, sysp.
2004 (add_line_map): Return pointer to const.
2005 (lookup_line): Similarly.
2006 (print_containing_files): Take pointer to const.
2008 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
2009 Richard Henderson <rth@redhat.com>
2011 * regmove.c (regmove_optimize): Avoid setting a register twice in
2014 2001-08-10 Richard Henderson <rth@redhat.com>
2016 * doc/extend.texi (Arrays and pointers implementation): Document
2017 behavior of pointer/integer conversion.
2019 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
2021 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
2023 2001-08-10 Richard Henderson <rth@redhat.com>
2025 * doc/extend.texi (C Implementation): New chapter.
2026 * doc/gcc.texi (Top): Link it in.
2028 2001-08-10 Andrew Cagney <ac131313@redhat.com>
2030 * doc/install.texi (Specific): Fix CVS merge botch.
2032 2001-08-10 Richard Henderson <rth@redhat.com>
2034 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
2035 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
2037 2001-08-10 Zack Weinberg <zackw@stanford.edu>
2039 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
2040 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
2041 this macro is now required.
2043 * cselib.c (cselib_process_insn), flow.c (propagate_block),
2044 loop.c (find_and_verify_loops), reload.c (reload): Check
2045 for rtx code of CALL_INSN, not CALL, when deciding if we
2046 need to check for REG_SETJMP note.
2048 * gcse.c (compute_hash_table, compute_store_table): Update
2049 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
2052 * config/avr/avr.c: Fix typo.
2053 * config/convex/convex.c (expand_movstr): Use adjust_address.
2054 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
2056 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
2057 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
2059 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
2060 Do define STACK_BOUNDARY.
2061 * config/i370/i370.c: Include expr.h.
2062 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
2063 config/pa/som.h, config/v850/v850.h: Take in_ctors and
2064 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
2065 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
2066 * config/m88k/m88k.c: Include c-tree.h after expr.h.
2067 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
2068 * config/romp/romp.c: Include expr.h after tree.h.
2070 (output_fpop): Use xmalloc, not oballoc.
2071 * config/we32k/we32k.c: Include expr.h.
2073 2001-08-10 Kazu Hirata <kazu@hxi.com>
2075 * config/h8300/h8300.h: Fix formatting.
2077 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
2079 * c-common.h (RETURN_NULLIFIED_P): Lose.
2080 * c-semantics.c (genrtl_return_stmt): Don't check it.
2082 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
2084 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
2085 (mips_annotate_frame_insn): New function.
2086 (mips_emit_frame_related_store): New function.
2087 (save_restore_insns): Don't mark instructions that set up the base
2088 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
2089 the store instructions instead.
2090 (mips_expand_prologue): If the stack size is moved into a temporary
2091 register, do not mark that move as frame-related. Add a
2092 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
2094 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
2096 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
2097 stack slot as unchanging if current_function_calls_eh_return.
2099 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
2101 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
2102 access the second half of the TFmode scratch operand.
2104 2001-08-10 Anthony Green <green@redhat.com>
2106 * java/class.c (emit_register_classes): Conditionalize code on
2109 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2111 * doc/install.texi (Specific, avr): Fix cross-reference to the
2112 main manual to work both for info and HTML versions.
2114 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
2116 * stmt.c (expand_null_return_1): Remove code to generate simple returns
2117 and "use_goto" argument.
2118 (expand_null_return, expand_value_return): Update all callers.
2119 * function.c (expand_function_end): Remove code to generate simple
2121 * config/vax/vax.md (epilogue): New expander for function return.
2122 * doc/md.texi (epilogue): Remove "if defined".
2124 2001-08-09 Zack Weinberg <zackw@stanford.edu>
2126 * Makefile.in: Partially revert my previous change:
2127 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
2128 of the hashtab.o and safe-ctype.o rules.
2130 2001-08-09 Richard Henderson <rth@redhat.com>
2132 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
2133 (USE_COLLECT2): Remove duplicate definition.
2134 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
2135 (use_collect2): Remove dead code.
2136 * configure.in (use_collect2): Remove will_use_collect2 and
2137 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
2138 * configure: Rebuild.
2140 * target.h (targetm.asm_out.constructor): New.
2141 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
2142 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
2143 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
2144 * varasm.c (in_ctors, in_dtors): New.
2145 (assemble_constructor, assemble_destructor): Remove.
2146 (default_stabs_asm_out_destructor): New.
2147 (default_named_section_asm_out_destructor): New.
2148 (dtors_section, default_dtor_section_asm_out_destructor): New.
2149 (default_stabs_asm_out_constructor): New.
2150 (default_named_section_asm_out_constructor): New.
2151 (ctors_section, default_ctor_section_asm_out_constructor): New.
2152 * output.h: Update declarations.
2153 * c-decl.c (c_expand_body): Use target hooks instead of
2154 assemble_constructor and assemble_destructor.
2155 * profile.c (output_func_start_profiler): Likewise.
2156 * objc/objc-act.c (finish_objc): Likewise.
2157 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
2158 for the constructor.
2159 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
2161 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
2162 (DTORS_SECTION_ASM_OP): Likewise.
2163 (__CTOR_LIST__): Use attribute section when possible.
2164 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
2166 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
2167 ASM_OUTPUT_CONSTRUCTOR.
2169 * config/darwin.c (machopic_asm_out_constructor): New.
2170 (machopic_asm_out_destructor): New.
2171 * config/darwin-protos.h: Update declarations.
2172 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2173 (ASM_OUTPUT_DESTRUCTOR): Remove.
2174 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2175 * config/nextstep.c (nextstep_asm_out_constructor): New.
2176 (nextstep_asm_out_destructor): New.
2177 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2178 (ASM_OUTPUT_DESTRUCTOR): Remove.
2179 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2180 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
2181 ASM_OUTPUT_*STRUCTOR.
2182 * config/i386/aix386ng.h: Likewise.
2184 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
2185 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
2186 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2187 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2188 * config/lynx.h: Likewise.
2189 * config/netware.h: Likewise.
2190 * config/psos.h: Likewise.
2191 * config/alpha/alpha-interix.h: Likewise.
2192 * config/alpha/elf.h: Likewise.
2193 * config/arc/arc.h: Likewise.
2194 * config/arm/aof.h: Likewise.
2195 * config/arm/coff.h: Likewise.
2196 * config/arm/elf.h: Likewise.
2197 * config/c4x/c4x.h: Likewise.
2198 * config/h8300/h8300.h: Likewise.
2199 * config/i386/cygwin.h: Likewise.
2200 * config/i386/djgpp.h: Likewise.
2201 * config/i386/i386-coff.h: Likewise.
2202 * config/i386/i386-interix.h: Likewise.
2203 * config/i386/sco5.h: Likewise.
2204 * config/i386/vsta.h: Likewise.
2205 * config/i386/win32.h: Likewise.
2206 * config/i960/i960-coff.h: Likewise.
2207 * config/ia64/sysv4.h: Likewise.
2208 * config/m68hc11/m68hc11.h: Likewise.
2209 * config/m68k/coff.h: Likewise.
2210 * config/m68k/mot3300.h: Likewise.
2211 * config/m88k/m88k.h: Likewise.
2212 * config/mcore/mcore-pe.h: Likewise.
2213 * config/mcore/mcore.h: Likewise.
2214 * config/mips/elf.h: Likewise.
2215 * config/mips/elf64.h: Likewise.
2216 * config/mips/iris6.h: Likewise.
2217 * config/pa/pa64-hpux.h: Likewise.
2218 * config/rs6000/sysv4.h: Likewise.
2219 * config/sh/sh.h: Likewise.
2220 * config/sparc/litecoff.h: Likewise.
2222 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
2223 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2224 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2225 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2226 (ASM_OUTPUT_DESTRUCTOR): Remove.
2227 * config/a29k/a29k.c: Move include of tree.h.
2228 * config/a29k/udi.h: Delete file.
2229 * config/alpha/alpha.c (vms_asm_out_constructor): New.
2230 (vms_asm_out_destructor): New.
2231 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
2232 (EXTRA_SECTION_FUNCTIONS): Likewise.
2233 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2234 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2235 * config/c4x/c4x.c: Move include of tree.h.
2236 * config/clipper/clipper.c (clix_asm_out_constructor): New.
2237 (clix_asm_out_destructor): New.
2238 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2239 (ASM_OUTPUT_DESTRUCTOR): Remove.
2240 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2241 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2242 (TARGET_ASM_CONSTRUCTOR): New.
2243 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
2244 (sco_asm_out_constructor): New.
2245 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
2246 * config/i386/svr3gas.h: Remove stack grows up code.
2247 Remove code duplicated from i386/sysv3.h.
2248 (TARGET_ASM_CONSTRUCTOR): New.
2249 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2250 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
2251 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2252 (TARGET_ASM_CONSTRUCTOR): New.
2253 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
2254 (m68hc11_asm_out_destructor): New.
2255 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
2256 (TARGET_ASM_DESTRUCTOR): New.
2257 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
2258 * config/m68k/dpx2.h: Properly undef all the bits inherited from
2259 config/svr3.h pertaining to section manipulation.
2260 * config/m68k/dpx2g.h: Remove #if 0 code.
2261 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
2262 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
2263 (ASM_OUTPUT_CONSTRUCTOR): Remove.
2264 (TARGET_ASM_CONSTRUCTOR): New.
2265 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
2266 (m88k_svr3_asm_out_constructor): New.
2267 (m88k_svr3_asm_out_destructor): New.
2268 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2269 (ASM_OUTPUT_DESTRUCTOR): Remove.
2270 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2271 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
2272 * config/rs6000/aix.h: Likewise.
2273 * config/mips/rtems64.h: Don't undef removed constructor related bits.
2274 * config/mips/vxworks.h: Likewise.
2275 * config/rs6000/lynx.h: Likewise.
2276 * config/sh/elf.h: Likewise.
2277 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
2278 (DTORS_SECTION_ASM_OP): New.
2279 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2280 (ASM_OUTPUT_DESTRUCTOR): Remove.
2281 * config/sparc/sol2-sld-64.h: Likewise.
2282 * config/vax/vax.c (vms_asm_out_constructor): New.
2283 (vms_asm_out_destructor): New.
2284 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2285 (ASM_OUTPUT_DESTRUCTOR): Remove.
2286 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2288 * doc/tm.texi (@node Initialization): Update.
2290 2001-08-09 Richard Henderson <rth@redhat.com>
2292 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
2293 (__do_global_dtors_aux): Use gp-relative static data to avoid
2294 one dynamic relocation.
2295 (__do_frame_setup): Register Java classes.
2296 * config/alpha/crtend.asm (__JCR_END__): New.
2298 2001-08-09 Zack Weinberg <zackw@stanford.edu>
2300 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
2301 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
2302 (GEN, STAGESTUFF): Add new files.
2303 (insn-constants.h, s-constants, tm-preds.h, s-preds,
2304 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
2305 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
2306 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
2307 as well as insn-codes.h and insn-flags.h in config.h; and no
2308 extra headers in tconfig.h and hconfig.h.
2310 * gencodes.c: Eliminate code to generate predicate declarations
2311 or #defines for md-file constants.
2312 * genconstants.c, genpreds.c: New files.
2314 * i386.md: Re-order guard expressions such that TARGET_64BIT
2315 comes first, when this permits better optimization. Add
2316 TARGET_64BIT to more x86-64 patterns. Add comment explaining
2317 why this is desirable.
2319 2001-08-09 Jakub Jelinek <jakub@redhat.com>
2321 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
2322 (find_fde_for_dso): Remove.
2323 (_Unwind_IteratePhdrCallback): New.
2324 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
2325 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
2327 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2329 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
2330 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
2332 2001-08-09 Graham Stott <grahams@redhat.com>
2334 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
2335 (vis_no_unit): Use it.
2336 (visualize_no_unit): Add the insn only if room exists.
2338 2001-08-09 Graham Stott <grahams@redhat.com>
2340 * predict.c (estimate_probability): Replace magic numbers with
2341 appropriate enumeration.
2343 2001-08-09 Graham Stott <grahams@redhat.com>
2345 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
2347 (EXTRACT_FLAGS): Likewise.
2349 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
2351 * config/mips/mips.c (mips_legitimate_address_p): Check for
2352 CONST_INT in last patch.
2354 2001-08-08 Anthony Green <green@redhat.com>
2356 * java/class.c (emit_register_classes): Use assemble_jcr if
2357 possible. Keep the original mechanism as a fallback.
2358 * defaults.h (JCR_SECTION_NAME): Define if we have named section
2359 and weak symbol support.
2360 * crtstuff.c (__JCR_LIST__): Define.
2361 (__JCR_END__): Define.
2362 (_Jv_RegiserClasses): Define weak symbol if possible.
2363 (__do_global_ctors_aux): Register classes for ELF targets with
2364 weak symbol support.
2366 2001-08-08 Kazu Hirata <kazu@hxi.com>
2368 * dbxout.c: Fix comment formatting.
2369 * dependence.c: Likewise.
2371 * diagnostic.c: Likewise.
2372 * dominance.c: Likewise.
2373 * doprint.c: Likewise.
2374 * dwarf2out.c: Likewise.
2375 * dwarfout.c: Likewise.
2376 * emit-rtl.c: Likewise.
2377 * except.c: Likewise.
2378 * explow.c: Likewise.
2379 * expmed.c: Likewise.
2382 * fold-const.c: Likewise.
2383 * function.c: Likewise.
2385 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2387 * global.c (retry_global_alloc): Avoid shadowing allocno.
2389 2001-08-08 Mark Mitchell <mark@codesourcery.com>
2391 * except.c (remove_fixup_regions): Fix typo.
2393 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
2395 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
2396 unsigned HOST_WIDE_INT to avoid warning.
2397 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
2398 * flow.c (set_block_for_new_insns): Likewise.
2400 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
2402 * sibcall.c (return_value_pseudo): New static variable.
2403 (skip_copy_to_return_value): Handle return_value_pseudo.
2404 (call_ends_block_p): Ensure that return_value_pseudo is set.
2405 (optimize_sibling_and_tail_recursive_call): Discover the
2406 load of pseudo return value in alternate exit block.
2408 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2410 * calls.c (ECF_ALWAYS_RETURN): New constant.
2411 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
2412 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
2413 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
2414 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
2415 * rtl.c (reg_note_name): New name.
2416 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
2418 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
2420 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
2422 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
2424 * alias.c (get_alias_set): Return a previously calculated
2425 alias set for a VAR_DECL.
2426 * function.c (gen_mem_addressof): Calculate the alias set before
2429 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
2431 * predict.def: Set hitrates according our experimental run.
2433 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2435 * i386.h (HARD_REGNO_RENAME_OK): New macro.
2437 2001-08-08 H.J. Lu <hjl@gnu.org>
2439 * config/mips/mips.c (mips_unique_section): New. Copied from
2442 * config/mips/mips-protos.h (mips_unique_section): New
2445 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
2447 * config/mips/little.h: New. Generic little endian mips
2448 targets. Only mips*-*-linux* is converted to use it so far.
2450 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
2451 (WCHAR_TYPE): Defined
2452 (WCHAR_TYPE_SIZE): Likewise.
2453 (INIT_SUBTARGET_OPTABS): Likewise.
2454 (BSS_SECTION_ASM_OP): Likewise.
2455 (SBSS_SECTION_ASM_OP): Likewise.
2456 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
2457 (ASM_DECLARE_OBJECT_NAME): Likewise.
2458 (UNIQUE_SECTION): Likewise.
2459 (EXTRA_SECTIONS): Likewise.
2460 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2461 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2462 (ASM_OUTPUT_DEF): Likewise.
2463 (HANDLE_SYSV_PRAGMA): Removed.
2464 (NO_IMPLICIT_EXTERN_C): Likewise.
2465 (TARGET_MEM_FUNCTIONS): Likewise.
2466 (STARTFILE_SPEC): Likewise.
2467 (ENDFILE_SPEC): Likewise.
2468 (LIB_SPEC): Likewise.
2469 (INVOKE__main): Likewise.
2470 (CTOR_LIST_BEGIN): Likewise.
2471 (CTOR_LIST_END): Likewise.
2472 (DTOR_LIST_BEGIN): Likewise.
2473 (DTOR_LIST_END): Likewise.
2474 (SET_ASM_OP): Likewise.
2475 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2476 (ASM_OUTPUT_DEF): Likewise.
2477 (ASM_OUTPUT_IDENT): Likewise.
2479 * config/mips/mips.h (ASM_SPEC): Undefine before define.
2480 (CPLUSPLUS_CPP_SPEC): Likewise.
2481 (ASM_APP_ON) Redefine only if not defined.
2482 (ASM_APP_OFF): Likewise.
2483 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2484 (ASM_OUTPUT_IDENT): Likewise.
2486 * config.gcc: Update tm_file for Linux/mips.
2488 2001-08-08 Bernd Schmidt <bernds@redhat.com>
2490 * cselib.c (cselib_record_sets): If insn is predicated, turn
2491 sources into IF_THEN_ELSEs.
2493 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
2494 Turn into define_insn_and_split.
2496 * sched-deps.c: Include "cselib.h".
2497 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
2498 Use cselib to turn memory addresses into VALUEs.
2499 (sched_analyze): Call cselib_init/cselib_finish if necessary.
2500 * sched-int.h (struct sched_info): New member USE_CSELIB.
2501 * sched-ebb.c (ebb_sched_info): Initialize it.
2502 * sched-rgn.c (rgn_sched_info): Likewise.
2503 * Makefile.in (sched-deps.o): Update dependencies.
2505 * cselib.h (cselib_subst_to_values): Declare.
2506 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
2507 that have no value and autoincs to be handled by generating a new
2510 2001-08-08 Graham Stott <grahams@redhat.com>
2512 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
2513 within fixed length SEQUENCE.
2515 2001-08-08 Graham Stott <grahams@redhat.com>
2517 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
2518 (diagnostic_prefixing_rule): Likewise.
2519 (diagnostic_line_cutoff): Likewise.
2520 (diagnostic_kind_count): Likewise.
2522 2001-08-08 Graham Stott <grahams@redhat.com>
2524 * alias.c (find_base_decl): Delete redundent assignment.
2526 2001-08-08 Graham Stott <grahams@redhat.com>
2528 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
2529 (abs): Uppercase and paranthesize macro parameter.
2530 (MEM_DEPENDENCY): Add whitespace.
2532 2001-08-08 Graham Stott <grahams@redhat.com>
2534 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
2535 failure check for CONST_INT
2537 2001-08-08 Graham Stott <grahams@redhat.com>
2539 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
2540 (libcall_dead_p): Likewise.
2542 (mark_used_regs): Constify fmt.
2543 (find_use_as_address): Likewise.
2545 2001-08-08 Graham Stott <grahams@redhat.com>
2547 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
2550 2001-08-08 Graham Stott <grahams@redhat.com>
2552 * combine.c (combine_simplify_rtx): Update comment and
2553 remove erroneous test.
2555 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
2557 * cppinit.c (cpp_finish): Pop the final buffer without comment.
2558 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
2559 take care to avoid multiple no-newline at EOF warnings in that
2562 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
2564 * calls.c (expand_call): Do not emit INSN_SETJMP note.
2565 (emit_library_call_value_1): Likewise.
2566 (emit_call_1): Emit REG_SETJMP note.
2567 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
2569 * cselib.c (cselib_process_insn): Likewise.
2570 * flow.c (propagate_block): Likewise.
2571 * loop.c (find_and_verify_loops): Likewise.
2572 * reload.c (find_equiv_regs): Likewise.
2573 * reload1.c (reload): Likewise.
2574 * resource.c (mark_referenced_resources,
2575 mark_set_resources): Likewise.
2576 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
2577 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
2578 * haifa-sched.c (unlink_other_notes): Likewise.
2579 (reemit_notes): Likewise.
2580 * sched-ebb.c (sched_ebb): Likewise.
2581 * sched-rgc.c (sched_region): Likewise.
2582 * rtl.c (note_insn_name): Likewise.
2583 (reg_note_name): Add REG_SETJMP
2584 * rtl.h (reg_note): Add REG_SETJMP.
2585 (insn_note): Remove NOTE_INSN_SETJMP.
2587 * profile.c (branch_prob): Add fake edges for setjmp.
2589 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
2591 * config.gcc: Quote target_cpu_default2 correctly for
2592 powerpc*-*-* targets.
2594 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
2596 * cpplib.h, line-map.h: Update comments.
2597 * cppmain.c (printer_init): Move inline.
2598 (maybe_print_line, print_line): Take a map pointer.
2599 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
2600 (cb_file_change): Don't use prior value of print.map.
2602 2001-08-07 David Edelsohn <edelsohn@gnu.org>
2604 * doc/install.texi: Document fine-grained multilib configuration.
2606 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2608 * rtlanal.c (find_first_parameter_load): Call note_stores
2609 only on the instructions.
2611 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2613 * alias.c (nonlocal_mentioned_p):
2614 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
2615 * calls.c (emit_call_1): Likewise.
2616 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
2617 * cselib.c (cselib_process_insn): Likewise.
2618 * df.c (df_insns_modify): Likewise.
2619 * flow.c (need_fake_edge_p): Likewise.
2620 (propagate_one_insn): Likewise.
2621 * haifa-sched.c (reemit_notes): Likewise.
2622 * integrate.c (copy_insn_list): Likewise.
2623 * jump.c (delete_prior_computation): Likewise.
2624 * local-alloc.c (validate_equiv_mem): Likewise.
2625 * loop.c (scan_loop): Likewise.
2626 * predict.c (estimate_probability): Likewise.
2627 * reload.c (reload): Likewise.
2628 * sched-deps (sched_analyze): Likewise.
2629 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
2630 * gcse.c (compute_hash_table): Likewise.
2631 (mark_call): Likewise.
2632 (store_killed_in_insn): Likewise.
2634 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
2636 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
2638 2001-08-06 Richard Henderson <rth@redhat.com>
2640 * varasm.c (assemble_gc_entry): Remove.
2641 * output.h: Likewise.
2643 2001-08-06 Richard Henderson <rth@redhat.com>
2645 * varasm.c (assemble_constructor): Take a symbol_ref and a
2646 priority instead of a bare string. Move priority handling
2647 here from cp/decl2.c.
2648 * output.h: Update decls.
2650 * c-decl.c (c_expand_body): Update calls to assemble_constructor
2651 and assemble_destructor.
2652 * profile.c (output_func_start_profiler): Likewise.
2653 * objc/objc-act.c (finish_objc): Likewise.
2654 (build_module_descriptor): Return the symbol not the symbol name.
2656 2001-08-06 David Edelsohn <edelsohn@gnu.org>
2658 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
2659 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
2660 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
2661 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
2662 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
2663 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
2665 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
2667 * cpperror.c (print_containing_files): Moved to line-map.c.
2668 (print_location): line-map.c handles re-listing or otherwise.
2669 * cpphash.h (struct lexer_state): Remove next_bol.
2670 (struct cpp_buffer): Remove include_stack_listed.
2671 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
2672 Remove faked buffer handling.
2673 (_cpp_do_file_change): Tweak.
2674 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
2675 * cppmain.c (struct printer): Remove filename.
2676 (print_line, cb_file_change): Update accordingly.
2677 * line-map.c: Include intl.h.
2678 (init_line_maps): Initialize last_listed.
2679 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
2680 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
2681 (print_containing_files): New.
2682 * line-map.h (struct line_maps): New member last_listed.
2683 (print_containing_files, INCLUDED_FROM): New.
2684 * Makefile.in: Update.
2685 * po/POTFILES.in: Add line-map.c.
2687 2001-08-06 Richard Henderson <rth@redhat.com>
2689 * except.c (convert_from_eh_region_ranges_1): Never mark
2690 USE or CLOBBER insns as throwing.
2692 * expr.c (store_constructor): Don't clobber memory targets.
2694 2001-08-06 Andreas Jaeger <aj@suse.de>
2696 * profile.c (branch_prob): Remove unused variable insn.
2698 * Makefile.in (local-alloc.o): Add dependency on except.h.
2700 * local-alloc.c: Include except.h for can_throw_internal prototype.
2702 2001-08-06 Richard Henderson <rth@redhat.com>
2704 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2705 * function.c (expand_main_function): Implement it.
2706 * doc/tm.texi: Document it.
2708 2001-08-06 Stan Shebs <shebs@apple.com>
2710 * doc/install.texi: Document powerpc-*-darwin* details.
2712 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
2714 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
2715 (ASM_CPU_SPEC): Move back to rs6000.h
2716 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
2718 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
2720 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
2723 * config/rs6000/linux64.h: Ditto.
2725 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
2726 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
2729 Remove accidently readded definitions of FUNCTION_PROLOGUE,
2730 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
2732 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
2735 2001-08-05 Richard Henderson <rth@redhat.com>
2737 * local-alloc.c (update_equiv_regs): Do not move insns that
2740 2001-08-05 Jan Hubicka <jh@suse.cz>
2742 * Makefile.in (reload1.o): Add dedendancy on except.h
2743 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
2745 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
2746 indicating wehther edges has been cleaned up.
2747 * reload1.c: Inlucde except.h
2748 (fixup_abnormal_edges): Accept deleted insns.
2749 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
2752 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
2754 * cpplib.c (do_line): Correct line number after pop_buffer.
2756 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
2758 PR preprocessor/3824
2759 * line-map.c: Update comments.
2760 * line-map.h: Update comments.
2761 * tradcif.y: Don't consider large numbers unsigned.
2763 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
2765 PR preprocessor/3081
2766 * c-lex.c (map): New.
2767 (cb_file_change): Update map and use it.
2768 (cb_def_pragma, cb_define, cb_undef): Use map and line.
2769 (c_lex): Update to use map.
2770 * cpperror.c (print_location): Move to using logical line numbers.
2771 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
2772 (cpp_make_system_header): Similarly.
2773 (_cpp_execute_include): Stop line numbering hacks. Store the
2774 line we will return to.
2775 * cpphash.h (CPP_BUF_LINE): Remove.
2776 (struct cpp_buffer): Remove lineno and pseudo_newlines.
2777 Add map and return_to_line.
2778 (_cpp_do_file_change): Update.
2779 * cppinit.c (cpp_start_read): Update line kludge.
2780 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
2781 (trigraph_ok): Use logical line numbers for diagnostics.
2782 (skip_block_comment): Likewise.
2783 (skip_whitespace): Likewise.
2784 (skip_line_comment): Use pfile->line instead.
2785 (_cpp_lex_token): Update to use logical line numbering exclusively.
2786 Handle BOL locally. Accept new lines in directives, but keep
2787 pfile->line decremented. Diagnostics use logical lines. Update
2789 * cpplib.c (SEEN_EOL): New.
2790 (skip_rest_of_line, check_eol): Use it.
2791 (end_directive): Increase line number when accepting the newline
2792 at the end of a directive.
2793 (run_directive): Simplify.
2794 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
2795 (_cpp_do_file_change): Update to take buffer line number as an
2796 argument, and store the current map in the cpp_reader. Remove
2797 line number kludges.
2798 (_cpp_do__Pragma): Restore output position after a _Pragma.
2799 (cpp_push_buffer): Don't set output line or lineno.
2800 (_cpp_pop_buffer): Transfer more info from a faked buffer.
2801 Remove line kludge. Set output_line.
2802 * cppmacro.c (builtin_macro): Update handling of __LINE__.
2803 (parse_arg): Use logical lines.
2804 (save_lookahead_token): Save EOFs too now.
2805 * cppmain.c (struct printer): Fix comments.
2806 (printer_init): Simplify, let caller do errors.
2807 (scan_translation_unit, check_multiline_token, dump_macro): Update.
2808 (maybe_print_line): Simplify.
2809 (print_line): Don't print a linemarker if -P.
2810 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
2811 (cb_file_change): Simplify.
2812 * line-map.h (LAST_SOURCE_LINE): Fix.
2813 (CURRENT_LINE_MAP): New.
2815 2001-08-05 Bernd Schmidt <bernds@redhat.com>
2817 * doloop.c (doloop_modify_runtime): Properly compute number of
2818 iterations if loop was unrolled.
2820 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
2821 if their CSELIB_VAL_PTRs are.
2823 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
2824 (setup_spill_pointers): Initialize it.
2825 (spill_restore_mem): Set it.
2826 (do_spill, do_restore): Use it to add REG_INC note.
2827 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
2829 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
2830 asms if other insns are available.
2832 * config/ia64/ia64.c (condop_operator): New predicate.
2833 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
2834 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
2837 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
2838 temporary register than directly using a MEM.
2840 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
2842 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
2843 parameter in last change.
2845 2001-08-04 Zack Weinberg <zackw@panix.com>
2847 * sparc.md: Don't use #if inside C test expression.
2849 2001-08-04 Richard Henderson <rth@redhat.com>
2851 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
2853 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
2855 * cpphash.h (struct cpp_reader): New member directive_line.
2856 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
2857 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
2858 do_pragma): Pass line to callbacks.
2859 (start_directive): Record line of directive.
2860 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
2861 cb_include): Similarly.
2862 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
2865 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
2867 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
2870 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2872 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
2874 * reload1.c (fixup_abnormal_edges): New static function.
2877 * flow.c (need_fake_edge_p): New function.
2878 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
2879 avoid call insn to be very last insn in the insn stream.
2881 * profile.c (branch_prob): Call flow_call_edges_add instead of
2882 doing that by hand; cleanup cfg to re-merge basic blocks once
2885 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2887 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
2888 are also on line-map.h.
2889 * cppfiles.c (stack_include_file): Update.
2890 * cpphash.h (struct cpp_buffer): New member return_at_eof.
2891 (_cpp_pop_buffer): New.
2892 * cppinit.c (cpp_destroy, cpp_finish): Update.
2893 (do_includes): Mark each buffer to return at EOF.
2894 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
2895 return as requested.
2896 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
2897 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
2898 * cpplib.h (cpp_pop_buffer): Remove.
2899 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
2900 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
2902 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
2904 (do_preprocessing): Update.
2905 * fix-header.c (read_scan_file): Update. No need to pop buffers.
2906 * c-parse.in (_yylex): Similarly.
2907 * scan-decls.c (scan_decls): Similarly.
2908 * line-map.h: Update comments.
2910 * objc/Make-lang.in (objc-act.o): Update dependencies.
2912 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2914 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
2915 and soft register for operand 0.
2916 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
2918 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2920 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
2921 register for operand 0.
2922 ("bitcmpqi_z_used"): Allow memory for operand 0.
2923 (split "bitcmpqi"): New split to handle address reg as operand 1.
2925 2001-08-04 Andreas Jaeger <aj@suse.de>
2927 * gcse.c: Revert Daniel's last patch.
2929 2001-08-03 Zack Weinberg <zackw@stanford.edu>
2931 * sparc-protos.h: Add prototypes for fp_zero_operand and
2933 * sh-protos.h: Add prototype for fpul_operand.
2935 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
2937 * doc/extend.texi (Other Builtins): Fix typo in last change.
2939 2001-08-03 Richard Henderson <rth@redhat.com>
2941 * target.h (gcc_target): Add asm_out.named_section,
2942 section_type_flags, have_named_sections.
2943 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
2944 (TARGET_HAVE_NAMED_SECTIONS): New.
2945 (TARGET_SECTION_TYPE_FLAGS): New.
2947 * Makefile.in (toplev.o): Depend on TARGET_H.
2948 (varasm.o, dbxout.o): Likewise.
2949 * c-common.c (decl_attributes): Check targetm.have_named_sections
2950 instead of ifdef ASM_OUTPUT_SECTION_NAME.
2951 * dbxout.c (dbxout_function_decl): Likewise.
2952 (dbxout_function_end): Likewise.
2953 * toplev.c (compile_file): Likewise.
2954 * varasm.c (exception_section): Likewise.
2955 * cp/decl2.c (finish_objects): Likewise.
2957 * defaults.h (EH_FRAME_SECTION): Remove.
2958 (EH_FRAME_SECTION_ASM_OP): Remove.
2959 (EH_FRAME_SECTION_NAME): New.
2960 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
2961 (UNIQUE_SECTION_P): Remove.
2962 * dwarf2out.c (SECTION_FORMAT): Remove.
2963 (ASM_OUTPUT_SECTION): Remove.
2964 (output_call_frame_info): Use named_section_flags.
2965 (output_comp_unit, dwarf2out_start_source_file): Likewise.
2966 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
2967 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
2968 * varasm.c (in_eh_frame, eh_frame_section): Remove.
2969 (named_section_flags): New.
2970 (named_section): Use it and targetm.section_type_flags.
2971 (resolve_unique_section): New.
2972 (assemble_start_function): Use it.
2973 (asm_emit_uninitialised, assemble_variable): Likewise.
2974 (default_section_type_flags): New.
2975 (default_no_named_section, default_elf_asm_named_section): New.
2976 (default_coff_asm_named_section, default_pe_asm_named_section): New.
2977 * output.h: Update varasm.c decls.
2978 (SECTION_*): New flags.
2980 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
2981 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
2983 * config/elfos.h (UNIQUE_SECTION_P): Remove.
2984 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
2985 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
2986 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
2987 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
2988 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
2989 * config/mips/elf.h, config/mips/elf64.h: Likewise.
2990 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
2991 * config/pa/pa64-hpux.h,
2993 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
2994 (TARGET_ASM_NAMED_SECTION): New.
2995 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
2996 * config/alpha/vms.h, config/arm/coff.h: Likewise.
2997 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
2998 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
2999 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
3000 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
3001 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
3002 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
3003 * config/i386/sco5.h, config/i386/win32.h: Likewise.
3004 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
3005 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
3006 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
3007 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
3008 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
3009 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
3010 * config/sparc/sysv4.h: Likewise.
3012 * config/nextstep.h: Error until named sections implemented.
3014 * config/a29k/a29k.c (a29k_asm_named_section): New.
3015 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
3016 (vms_section_type_flags, vms_asm_named_section): New.
3017 * config/arm/arm.c (arm_elf_asm_named_section): New.
3018 * config/avr/avr.c (asm_output_section_name): Remove.
3019 * config/avr/avr-protos.h: Update.
3020 * config/c4x/c4x.c (c4x_asm_named_section): New.
3021 * config/h8300/h8300.c (h8300_asm_named_section): New.
3022 * config/i386/i386.c (sco_asm_named_section): New.
3023 * config/i386/winnt.c (SECTION_PE_SHARED): New.
3024 (i386_pe_section_type_flags): New.
3025 (i386_pe_asm_named_section): New.
3026 * config/i386/i386-protos.h: Update.
3027 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
3028 * config/mcore/mcore.c (mcore_asm_named_section): New.
3029 * config/mips/mips.c (iris6_asm_named_section): New.
3030 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
3031 instead of UNIQUE_SECTION_P.
3032 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
3033 (xcoff_asm_named_section): New.
3034 * config/sh/sh.c (sh_asm_named_section): New.
3035 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
3037 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
3038 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
3039 (EH_FRAME_SECTION_NAME): New.
3040 (EXCEPTION_SECTION): New.
3041 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
3042 (DEBUG_*_SECTION): Remove.
3043 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
3044 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
3045 (EH_FRAME_SECTION_ASM_OP): Remove.
3047 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
3048 (ASM_OUTPUT_SECTION_NAME): Remove.
3049 (TARGET_ASM_NAMED_SECTION): New.
3050 (TARGET_HAVE_NAMED_SECTIONS): New.
3051 (TARGET_SECTION_TYPE_FLAGS): New.
3052 (EH_FRAME_SECTION_ASM_OP): Remove.
3053 (EH_FRAME_SECTION_NAME): New.
3055 2001-08-03 Zack Weinberg <zackw@stanford.edu>
3057 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
3058 for complex expressions when cfun == 0.
3059 * doc/extend.texi: Document that __builtin_constant_p can be
3060 used in data initializers as well as functions.
3062 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
3064 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
3065 variable I locally, instead of expecting a declaration in the
3068 2001-08-03 Richard Henderson <rth@redhat.com>
3070 * except.c (collect_one_action_chain): Add an explicit cleanup
3071 action if regions surrounding a catch were encoded entirely
3072 within the call-site entry.
3074 2001-08-03 Richard Henderson <rth@redhat.com>
3076 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
3077 don't take REGNO of a non-register.
3079 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3081 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
3082 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
3083 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
3084 (__gthread_mutex_init_function): New function for mutex initialization.
3086 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
3088 * Makefile.in: Revert screwed up commit.
3090 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3092 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
3093 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
3094 merged by linker script to get a final _exit().
3095 (__do_global_dtors): New for destructor handling in specific exit
3097 (__do_global_ctors): New for constructors in specific install section.
3098 (__map_data_section): Map data sections before running constructors.
3099 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
3100 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
3101 (DTORS_SECTION_ASM_OP): Likewise.
3102 (CTORS_SECTION_FUNCTION): Define to force a reference to
3104 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
3106 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
3108 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
3110 * Makefile.in: Add df.h to gcse.c dependencies.
3112 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3114 * varasm.c (output_constant_def_contents): Use for the length of a
3115 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
3116 depending on which is larger.
3118 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
3120 * gcse.c: Include df.h for use as a dataflow analyzer.
3122 Declaration of reg_set_info: gone.
3123 New df_analyzer variable used by store motion.
3124 (reg_set_info): Deleted.
3125 (mark_mem_regs): New function, analyze regs used by a mem.
3126 (store_ops_ok): Use dataflow analyzer results to determine if
3127 necessary regs are changed in the block.
3128 (find_moveable_store): Remove check for symbol ref, we can handle
3129 much more complex expressions now.
3130 (compute_store_table): Remove most of the code, it's unnecessary
3131 now that the dataflow analyzer records the info for us.
3132 (store_killed_after): Add parameter to say whether to do the
3133 store_ops_okay test, used to speed up testing when we already know
3134 the answer, and just want to know if the store itself was killed.
3135 (build_store_vector): Largely rewritten to calculate the various
3136 vectors properly, and somewhat optimized.
3137 (store_motion): Init the df_analyzer, get REG_DEF chains.
3138 Also handle trapping expressions (since mems almost always trap)
3139 (simple_mem): Redefine what a simple mem is.
3141 2001-08-03 DJ Delorie <dj@redhat.com>
3143 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
3144 set from a constant part of the condition.
3146 2001-08-01 Andrew Cagney <ac131313@redhat.com>
3148 * mkdeps.c (deps_add_default_target): Make local variable
3149 ``start'' a const char pointer.
3150 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
3152 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3154 * doc/install.texi (Configuration): Fix markup.
3155 (Specific, i?86-*-udk): Likewise.
3156 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
3158 Document --enable-threads and --enable-libgcj status.
3159 (Specific, mips-sgi-irix*): Canonicalize triples.
3160 (Specific, mips-sgi-irix5): Warn about problems with this config.
3161 Mention required GNU as patch.
3162 Native assembler problems are fixed.
3163 (Specific, mips-sgi-irix6): Update O32 ABI support status.
3164 Document --enable-threads and --enable-libgcj status.
3166 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
3168 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
3171 2001-08-03 Richard Henderson <rth@redhat.com>
3173 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
3176 2001-08-03 Richard Henderson <rth@redhat.com>
3178 * rtlanal.c (find_first_parameter_load): Stop if we
3179 reach a CODE_LABEL at BOUNDARY.
3181 2001-08-03 Richard Henderson <rth@redhat.com>
3183 * config/alpha/alpha.md (force_movdi): New insn.
3184 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
3185 Tweek FRP marking of VMS prologue insns.
3186 * config/alpha/vms.h (EPILOGUE_USES): New.
3188 2001-08-02 Richard Henderson <rth@redhat.com>
3190 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
3192 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
3194 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
3195 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
3196 config/convex/convex.h, config/d30v/d30v.c,
3197 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
3198 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
3199 config/mips/mips.h, config/mn10200/mn10200.h,
3200 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
3201 config/v850/v850.h, config/vax/openbsd.h,
3202 config/vax/openbsd1.h, config/vax/ultrix.h,
3203 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
3204 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
3205 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
3206 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
3207 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
3208 in comments and documentation.
3210 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3214 * Makefile.in (line-map.o): New.
3215 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
3216 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
3217 * cpperror.c (print_containing_files): Similarly.
3218 (print_location): Update. Don't output a space before _Pragma.
3219 * cppfiles.c (stack_include_file): Set to line 1 immediately.
3220 (stack_include_filee, cpp_make_system_header): Update.
3221 (_cpp_execute_include): Get logical line number right for calling
3222 as-yet-unterminated #include.
3223 * cpphash.h (struct cpp_reader): Add line_maps.
3224 (_cpp_do_file_change): Update.
3225 * cppinit.c (cpp_create_reader): Initialize line maps.
3226 (cpp_destroy): Destroy line maps.
3227 (cpp_start_read): Get logical line number right.
3228 * cpplex.c (parse_string): Only warn once for multi-line strings.
3229 Use boolean variable for null warning.
3230 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
3232 (do_include_common): End the directive early.
3233 (do_line): Don't warn about out-of-range lines in preprocessed
3234 source. Update. Remove unused variables.
3235 (_cpp_do_file_change): Update for new line mapping.
3236 (pragma_cb): New typedef.
3237 (cpp_register_pragma): Stop looking ahead before calling the
3239 (do_pragma_system_header): End directive early.
3240 (cpp_get_line_maps): New.
3241 (cpp_pop_buffer): Fudge logical line. Update.
3242 * cpplib.h: Include line-map.h
3243 (enum cpp_fc_reason): Remove.
3244 (struct cpp_file_change): Update.
3245 (cpp_get_line_maps): New.
3246 * cppmain.c (struct_printer): New member map.
3247 (cb_file_change): Update for new mappings.
3248 * fix-header.c (cb_file_change): Similarly.
3250 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
3252 * Makefile.in (libgcc.mk): Define mkinstalldirs.
3253 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
3255 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
3257 * config/vax/vax.c: include expr.h.
3259 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
3261 * Makefile.in ($(srcdir)/configure): Only rebuild in
3263 ($(srcdir)/config.in): Only define in maintainer mode.
3264 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
3266 2001-08-02 David Edelsohn <edelsohn@gnu.org>
3268 * doc/install.texi (Install GCC: Binaries): Update Bull info.
3270 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3272 * gcc.c (set_collect_gcc_options): New function, split out from
3274 Ignore elided switches.
3275 (do_spec_1): Invoke before executing command.
3276 (set_input): Export.
3277 Move declaration ...
3278 * gcc.h (set_input): ... here.
3279 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3282 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
3285 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
3287 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
3289 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
3291 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
3292 for the unnamed instructions it expands to.
3294 2001-08-02 Richard Henderson <rth@redhat.com>
3296 * regclass.c (call_really_used_regs): Conditionally define.
3297 (init_reg_sets_1): Don't use it if not defined.
3298 (fix_register): Similarly, don't set it.
3300 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3302 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
3303 Correct comment that had been missed in the previous change.
3305 2001-08-01 Stan Shebs <shebs@apple.com>
3307 * config/darwin.c (machopic_stub_name): Try matching by name.
3308 (update_stubs): New function.
3309 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
3312 2001-08-01 Richard Henderson <rth@redhat.com>
3314 * except.c (output_function_exception_table): Use assemble_align.
3315 * varasm.c (assemble_eh_label): Remove.
3316 (assemble_eh_align, assemble_eh_integer): Remove.
3318 2001-08-01 Robert Lipe <robertl@caldera.com>
3320 * dwarfout.c: Remove reference to README.DWARF.
3322 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
3324 * regclass.c (call_really_used_regs): New array for registers which
3325 are actually used by a call.
3326 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
3328 (fix_register): Set call_really_used too.
3329 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
3330 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
3332 2001-08-01 Richard Henderson <rth@redhat.com>
3334 * read-rtl.c (read_name): Consider \r whitespace.
3336 2001-07-11 Andrew Cagney <ac131313@redhat.com>
3338 * config.gcc: Recognize powerpc-*-netbsd*.
3340 * doc/install.texi (Host/target specific installation notes for
3341 GCC): Mention powerpc-*-netbsd*.
3343 * config/rs6000/netbsd.h: New file.
3344 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
3345 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
3346 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
3347 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
3348 (TARGET_VERSION): Redefine.
3350 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
3351 mcall-netbsd as a match for mcall-sysv.
3352 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
3353 (ncrti.S, ncrtn.S): New targets.
3354 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
3356 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
3357 "netbsd' as a V4 ABI.
3358 (ASM_SPEC): Check for -mcall-netbsd.
3359 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
3360 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
3361 (LIB_SPEC, ENDFILE_SPEC): Ditto.
3362 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
3363 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
3364 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
3365 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
3367 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
3368 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
3370 2001-08-01 Mark Kettenis <kettenis@gnu.org>
3372 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
3373 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
3374 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
3375 including "unwind-pe.h".
3377 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
3379 * rs6000.md (define_splits): Kill unused constraints.
3381 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
3382 Jan Hubicka <jh@suse.cz>
3384 * function.c (thread_prologue_and_epilogue_insns): Kill code
3385 dealing with non-existent CFG.
3387 2001-08-01 Kazu Hirata <kazu@hxi.com>
3389 * alias.c: Fix comment formatting.
3390 * bitmap.c: Likewise.
3391 * builtins.c: Likewise.
3392 * calls.c: Likewise.
3393 * c-common.c: Likewise.
3394 * c-decl.c: Likewise.
3395 * c-dump.c: Likewise.
3396 * c-lex.c: Likewise.
3397 * collect2.c: Likewise.
3398 * combine.c: Likewise.
3399 * conflict.c: Likewise.
3400 * cppfiles.c: Likewise.
3401 * cppinit.c: Likewise.
3402 * cpplex.c: Likewise.
3403 * cpplib.c: Likewise.
3404 * cppmacro.c: Likewise.
3405 * cppspec.c: Likewise.
3406 * c-pragma.c: Likewise.
3407 * crtstuff.c: Likewise.
3409 * cselib.c: Likewise.
3410 * c-semantics.c: Likewise.
3411 * c-typeck.c: Likewise.
3413 2001-08-01 H.J. Lu <hjl@gnu.org>
3415 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
3417 2001-08-01 H.J. Lu <hjl@gnu.org>
3419 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
3421 2001-08-01 Ziemowit Laski <zlaski@apple.com>
3423 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
3424 contextualizing Objective-C class name lookup by the lexer.
3425 (typespec_reserved_nonattr): Disable ObjC class name lookup after
3427 (protocoldef): Add support for forward @protocol declarations.
3428 (yylexname): Suppress ObjC class name lookup in certain contexts;
3429 re-enable after lookup is complete.
3430 (_yylex): Re-enable ObjC class name lookup when certain
3431 punctuation marks are seen.
3433 * objc/objc-act.c (check_protocol_recursively): New function used
3434 for finding circular dependencies in protocols.
3435 (objc_declare_protocols): New function for handling forward
3436 @protocol declarations.
3437 (receiver_is_class_object): Detect the case when 'self' is used
3438 inside of a class method.
3439 (build_message_expr): Issue a warning if class method is desired
3440 but instance method is found instead.
3441 (conforms_to_protocol): Streamline.
3442 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
3443 protocol Foo, even if 'Bar foo' does not.
3444 (check_protocols): Streamline.
3445 (start_protocol): Add checks for circular and duplicate protocol
3447 (encode_aggregate_within): For typedefs of structs, encode the
3449 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
3450 (objc_declare_protocols): New prototype.
3452 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3454 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
3455 * cpplex.c (handle_newline): Update prototype. Maintain logical
3457 (skip_escaped_newlines, skip_block_comment, parse_string):
3459 (_cpp_lex_token): Update, and store token position within the token.
3460 * cpplib.h (struct cpp_token): Add line and column entries.
3461 * cppmacro.c (replace_args): Position stringified tokens correctly.
3463 2001-08-01 Andreas Jaeger <aj@suse.de>
3465 * basic-block.h: Add prototype for last_loop_beg_note.
3467 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
3469 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
3470 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
3472 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
3473 while handling WITH_CLEANUP_EXPR node. Use second operand calling
3474 expand_decl_cleanup.
3475 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
3477 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
3478 operand while calling simple_cst_equal.
3479 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
3480 operand is the cleanup expression, the third is the RTL_EXPR.
3481 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
3483 2001-07-31 Jeff Sturm <jsturm@one-point.com>
3485 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
3487 2001-07-31 matthew green <mrg@eterna.com.au>
3489 * config.gcc (i386-*-netbsdelf): New description.
3490 * config/i386/netbsd-elf.h: New file.
3492 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
3494 * loop.c (check_dbra_loop): Use single_set to compute
3497 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
3499 PowerPC reorg and support for powerpc64-*-linux*.
3501 Also fixes emitting of constants on 32 bit and 64 bit
3504 * config.gcc: powerpc64-*-linux* is a new target.
3505 Things that needed aix.h now also include xcoff.h
3507 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
3509 Move AIX specific stuff into aix.h.
3510 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
3511 with more than just XCOFF now.
3512 (SET_ASM_OP): Remove, now defined where needed.
3513 (FUNCTION_PROLOGUE): New macro definition.
3514 (FUNCTION_EPILOGUE): New macro definition.
3515 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
3517 * config/rs6000/xcoff.h: New file.
3519 * config/rs6000/linux64.h: New file.
3521 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
3523 2001-07-31 Alan Modra <amodra@bigpond.net.au>
3525 * rs6000.c (print_operand_address): Handle ELF syntax.
3526 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
3527 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
3528 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
3530 2001-07-31 David Edelsohn <edelsohn@gnu.org>
3532 * rs6000.c (rs6000_override_options): Only disable
3533 flag_function_sections for XCOFF.
3534 (exact_log2_cint_operand): New predicate.
3535 (reg_or_{add,sub}_cint64_operand): New predicates.
3536 (add_operand): Compare CONST_INT with fewer function calls.
3537 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
3538 (print_operand, case 'p'): Ensure positive operand.
3539 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
3540 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
3541 (PREDICATE_CODES): Add new predicates.
3542 * rs6000.md (addsi3): Split 32-bit constants more correctly.
3543 (divsi3, modsi3): Ensure positive power-of-2.
3544 (adddi3): Use new predicate. Split 32-bit constants more
3545 correctly. Re-arrange splitter to handle any constant.
3546 (subdi3): Use new predicate.
3547 (divdi3, moddi3): Ensure positive power-of-2.
3548 (movdi): Use rs6000_emit_set_const.
3549 (load_toc_v4_pic_di): Delete.
3551 2001-07-31 Graham Stott <grahams@redhat.com>
3553 * function.c (pad_below): Revert 2001-07-26 patch.
3555 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3557 * reg-stack (convert_regs_1): Fix best edge condition.
3559 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3561 * jump.c (duplicate_loop_exit_test): Better test for jumps
3562 entering the loop; create loop pre_header.
3564 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
3566 * doc/install.texi: Add s390 and s390x as new targets.
3567 * doc/invoke.texi: Add documantation of S/390 and zSeries
3569 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
3571 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
3573 * config/m68k/m68k.md: Replace all general_operand with
3574 nonimmediate_operand for all destinations.
3575 * config/m68k/m68k.c (not_sp_operand): Likewise.
3577 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
3579 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
3581 2001-07-30 Richard Henderson <rth@redhat.com>
3583 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
3584 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
3586 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
3588 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
3589 Add missing doc strings
3590 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
3591 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
3593 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
3595 * i386.c (ix86_output_main_function_alignment_hack): New function.
3596 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
3598 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
3599 edges by EDGE_DFS_BACK flag.
3600 (dump_edge_info): Add dfs_back flag.
3601 * basic-block.h (EDGE_DFS_BACK): New constant.
3602 (mark_dfs_back_edges): Declare.
3603 * alias.c (loop_p): Remove.
3604 (mark_constant_function): Use mark_dfs_back_edges.
3606 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
3607 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
3608 (compensate_edge): Break out from ...
3609 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
3610 (convert_regs_2): Set block_done once block is really done;
3611 Do updating of the predecesors counts.
3613 * toplev.c (rest_of_compilation): Recompute block_for_insn
3614 before post-reload cfg_cleanup.
3615 * function.c (thread_prologue_epilogue_insns):
3616 Call set_block_for_new_insns when emitting prologue directly.
3618 2001-07-30 Andreas Jaeger <aj@suse.de>
3620 * jump.c: Add prototype for mark_modified_reg.
3622 * cse.c (set_live_p): Add unused attribute.
3624 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
3626 (scan_for_source_files): Use long for count to avoid overflow.
3627 (output_data): Likewise.
3628 (output_data): Don't use string concatatenation to silence gcc
3631 * predict.c: Fix typos and grammar.
3633 * gcse.c (insert_insn_end_bb): Remove unused variables.
3635 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
3637 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
3638 (attempt_auto_inc): LIkewise.
3639 (mark_used_reg): Likewise.
3640 (try_pre_increment_1): Likewise.
3641 * regclass.c (regclass): Likewise.
3642 * global.c (allocno_compare): Update comment; change scaling factor.
3643 * local-alloc.c (QTY_CMP_PRI): Likewise.
3644 * regs.h (REG_FREQ_FROM_BB): New.
3645 (REG_FREQ_MAX): Likewise.
3647 2001-07-30 H.J. Lu <hjl@gnu.org>
3649 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
3652 2001-07-30 H.J. Lu (hjl@gnu.org)
3654 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
3655 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
3656 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
3658 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
3660 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
3661 as -mthumb-interwork when -mcpu=arm7 is specified.
3663 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3665 * predict.def (noreturn, loop branch, loop exit): Mark as first
3668 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
3670 * combine.c (try_combine): Avoid barrier after noop jumps.
3672 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3674 * cpphash.h (struct cpp_reader): Remove import_warning.
3675 * cpplib.c (skip_rest_of_line): Don't bother turning off
3677 (parse_include): Move include handling to...
3678 (do_include_common): ... here. Move import warning from...
3679 (do_import): ... here.
3680 (do_pragma_poison): Don't do a callback for poison identifiers.
3681 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
3682 * cppmain.c (setup_callbacks): Similarly.
3684 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3686 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
3687 handle multiple sets.
3688 * except.c (sjlj_mark_call_sites): .... here.
3689 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
3691 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3693 Suggested by Richard Henderson and Richard Kenner:
3694 * combine.c (recog_for_combine): Use the fake recog
3695 only if instruction does not match.
3696 * rtl.h (NOOP_MOVE_INSN_CODE): New.
3697 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
3699 * combine.c (try_combine): Discover noop jump as direct jump.
3701 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
3703 * df.c (df_rd_global_compute): Add successors to worklist, not
3705 (df_ru_global_compute): Ditto.
3707 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
3709 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
3710 increment REG_N_SETS.
3712 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
3714 * sbitmap.h: New prototype for sbitmap_a_xor_b.
3716 * sbitmap.c (sbitmap_a_xor_b): New function.
3717 ifdef the basic block stuff on IN_GCC.
3719 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3721 * cppexp.c (parse_defined): Always record the macro name.
3722 (lex): Don't worry about identifiers, or special-case
3724 (_cpp_parse_expr): Figure out at the end of the routine
3725 whether we saw a valid !defined() expression.
3726 * cppfiles.c (stack_include_file): Update for mi_valid.
3727 (_cpp_pop_file_buffer): Similarly.
3728 * cpplex.c (_cpp_lex_token): Similarly.
3729 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
3730 mi_if_not_defined, mi_lexed): Remove.
3732 * cpplib.c (do_if): Simplify.
3733 (do_endif, push_conditional, _cpp_handle_directive): Update
3734 for renaming of mi_state to mi_valid.
3736 * cpp.texi: Add index entries for digraphs, and add comment
3737 that C++ refers to them as alternative tokens.
3739 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
3741 * basic-block.h (CLEANUP_PRE_LOOP): New.
3742 * except.c (finish_eh_generation): Update call of cleanup_cfg.
3743 * sibcall.c (optimize_sibling_calls): Likewise.
3744 * toplev.c (rest_of_compilation): Likewise.
3745 * flow.c (try_forward_edges): Take argument MODE;
3746 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
3747 (try_optimize_cfg): Update call of try_forward_edges.
3749 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
3750 Jan Hubicka <jh@suse.cz>
3752 * (validate_replace_rtx_1): Fix simplification of MINUS.
3754 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
3756 PR preprocessor/3669
3757 * cppinit.c (init_dependency_output): Turn off dump requests
3758 if sending dependencies to stdout.
3760 2001-07-28 Richard Henderson <rth@redhat.com>
3762 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
3765 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
3767 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
3769 2001-07-28 Kazu Hirata <kazu@hxi.com>
3771 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
3772 is VAR_DECL first to prevent an ICE.
3774 2001-07-28 Richard Henderson <rth@redhat.com>
3776 * varasm.c (immed_real_const_1): Don't elide special cases for
3778 (clear_const_double_mem): Clear const_tiny_rtx too.
3780 2001-07-28 Richard Henderson <rth@redhat.com>
3782 * dwarf2out.c (dw_val_class_offset): New.
3783 (struct dw_ranges_struct, dw_ranges_ref): New.
3784 (ranges_table, ranges_table_allocated): New.
3785 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
3786 (add_AT_offset, add_ranges, output_ranges): New.
3787 (print_die, output_die): Handle dw_val_class_offset.
3788 (attr_checksum, size_of_die, value_format): Likewise.
3789 (gen_lexical_block_die): Handle non-contiguous blocks.
3790 (gen_block_die): Likewise.
3791 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
3792 if needed. Dump the ranges table.
3793 * final.c (final_start_function): Remove unnecessary notes and
3794 rebuild the block tree before numbering the blocks.
3795 * function.c (reorder_blocks_0): Walk the existing block tree
3796 to unmark all blocks.
3797 (reorder_blocks_1): Create block fragments when duplicate block
3799 (reorder_fix_fragments): New.
3800 (reorder_blocks): Call it.
3801 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
3803 2001-07-28 Richard Henderson <rth@redhat.com>
3805 * emit-rtl.c (adjust_address): Make a copy of the memory address.
3807 2001-07-28 Richard Henderson <rth@redhat.com>
3809 * flow.c (add_to_mem_set_list): New function.
3810 (init_propagate_block_info): Use it.
3811 (mark_set_1): Likewise.
3812 (insn_dead_p): Canonicalize memory address for dead store
3813 comparison. Allow wider mode stores to kill narrower mode stores.
3814 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
3815 (invalidate_mems_from_set): Don't handle MEMs.
3817 2001-07-28 Kazu Hirata <kazu@hxi.com>
3819 * config/h8300/h8300.h: Fix formatting.
3821 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3823 * basic-block.h (EDGE_FREQUENCY): New macro.
3824 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
3826 * flow.c (find_sub_basic_blocks): Likewise.
3827 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
3828 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
3830 * predict.c (DEF_PREDICTOR): New argument FLAGS.
3831 (HITRATE): New macro.
3832 (PRED_FLAG_FIRST_MATCH): New constant.
3833 (predictor_info): New field flgags.
3834 (combine_predictions_for_insn): Use DS theory to combine
3835 probabilities; set the edge probabilities when finished.
3836 (estimate_probability): Avoid duplicated matches
3837 of LOOP_BRANCH heuristics for nested loops; update comment.
3838 * predict.def: Add flags for each prediction, set probabilities
3839 according to B&L paper.
3840 * predict.h (DEF_PREDICTOR): New argument FLAGS.
3842 * profile.c (compute_branch_probabilities): Cleanup way the edge
3843 probabilities are computed and REG_BR_PROB notes are dropped; if
3844 values does not match, emit error.
3845 (init_branch_prob): Do error instead of warning when profile driven
3846 feedback is missing or corrupt.
3848 2001-07-27 DJ Delorie <dj@redhat.com>
3850 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
3851 against a constant, try to adjust the compare to have the desired
3852 constant in it so that min/max optimizations happen more often.
3854 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3856 * flow.c (last_loop_beg_note): New function.
3857 (redirect_edge_and_branch): Use it.
3858 (split_edge): Likewise.
3860 * alias.c (loop_p): Avoid uninitialized memory access.
3862 * flow.c (try_forward_edges): Avoid accessing freed memory.
3864 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
3867 2001-07-26 Andrew Haley <aph@redhat.com>
3868 Joern Rennecke <amylaar@redhat.com>
3870 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
3871 (SUBTARGET_CPP_ENDIAN_SPEC): New.
3872 (SUBTARGET_CPP_SPEC): New.
3874 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
3875 (SUBTARGET_CPP_PTR_SPEC): New.
3876 (CPP_DEFAULT_CPU_SPEC): New.
3877 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
3878 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
3879 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
3880 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
3881 (SUBTARGET_CPP_SPEC): Define as an empty string.
3883 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3885 * doc/install.texi (Configuration): Properly link the host
3886 specific instructions also when generating HTML.
3888 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
3890 * flow.c (redirect_edge_and_branch_force): Test
3891 target->global_live_at_start.
3893 2001-07-26 Richard Henderson <rth@redhat.com>
3895 * simplify-rtx.c (avoid_constant_pool_reference): Export.
3896 * rtl.h (avoid_constant_pool_reference): Declare it.
3897 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
3898 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
3900 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3902 * rtl.h (cleanup_barriers): Declare.
3903 * jump.c (cleanup_barriers): New function.
3904 * toplev.c (rest_of_compilation): Call cleanup_barriers
3905 before loop optimizer and after bb_reorder.
3907 * flow.c (back_edge_of_syntactic_loop_p): New.
3908 (split_edge): Use it.
3910 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3912 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
3914 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
3916 * cse.c (cse_process_notes): Replace any registers if the address
3919 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
3921 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
3922 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
3923 (propagate_block): Update prototype.
3924 * flow.c (update_life_info): Simplify the CFG and
3925 recalculate the global regs which are alive when
3926 removing dead code during a global update.
3927 (propagate_block): Return non-zero if an INSN is
3930 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3932 * Makefile.in (LIBICONV): Define.
3934 2001-07-26 Catherine Moore <clm@redhat.com>
3936 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
3937 of conditional to avoid tree checking errors.
3939 2001-07-26 Kazu Hirata <kazu@hxi.com>
3941 * regmove.c (regmove_optimize): Don't replace a reg with
3942 another reg of a different mode.
3944 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
3946 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
3947 limit length of dependancy flush list.
3948 * params.h (MAX_PENDING_LIST_LENGTH): Define.
3949 * sched-int.h (struct deps): Add pending_flush_length field.
3950 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
3951 has 1 element in it.
3952 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
3953 (sched_analyze): After a jump, if the pending memory flush list is too
3954 large, flush the pending lists.
3955 (init_deps): Initialize pending_flush_length to 0.
3956 * doc/invoke.texi (max_pending_list_length): Document parameter.
3958 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
3960 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
3961 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
3962 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
3964 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3966 * cpphash.h (struct_lexer_state): Delete was_skipping.
3967 Move skipping here from struct cpp_reader.
3968 * cpplex.c (parse_identifier): Update.
3969 (_cpp_lex_token): Don't skip tokens in a directive.
3970 * cpplib.c (struct if_stack): Update.
3971 (start_directive, end_directive): Don't change skipping state.
3972 (_cpp_handle_directive): Update.
3973 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
3974 (do_else, do_endif): Update; only check for excess tokens if not
3975 in a skipped conditional block.
3976 (push_conditional): Update for new struct if_stack.
3978 2001-07-26 Graham Stott <grahams@redhat.com>
3980 * function.c (locate_and_pad_parm): Also pad initial offset
3981 so that the total argument size also includes the padding.
3983 2001-07-26 Graham Stott <grahams@redhat.com>
3985 * gensupport.c (alter_output_for_insn): Correct enable checking failure
3986 change XSTR to XTMPL.
3988 (process_one_cond_exec): Likewise
3990 2001-07-25 Richard Henderson <rth@redhat.com>
3992 * varasm.c (assemble_variable): Create DECL_RTL before setting
3995 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
3997 * predict.c (estimate_probability): Avoid duplicated predictions.
3999 * loop.c (find_and_verify_loops): Grok multiple barriers.
4001 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4003 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
4005 * dbxout.c: Consistently use putc instead of fputc.
4006 (print_wide_int): New function; call instead of direct fprintf.
4007 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
4008 (dbxout_type_fields, dbxout_type_method_1): Likewise.
4009 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
4010 (print_int_cst_octal): Likewise.
4011 (print_octal): Show we wrote characters.
4012 (dbxout_type): Set have_used_extensions in more places.
4014 2001-07-25 Catherine Moore <clm@redhat.com>
4016 * config/v850/v850.c (v850_va_arg): Use addr
4017 instead of valist to build incr.
4019 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
4021 * flow.c (delete_dead_jumptables): New function.
4022 (life_analyzis): Call it.
4023 * bb-reorder.c (skip_insns_after_block): Handle contradictory
4026 2001-07-25 Richard Henderson <rth@redhat.com>
4028 * except.c (reachable_handlers): Handle a region being removed
4029 out from under a RESX.
4031 2001-07-25 Richard Henderson <rth@redhat.com>
4033 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
4034 swap GE/GT if it is an fp comparison.
4036 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
4038 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
4041 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
4043 * ssa.c (rename_insn_1): Do not wrap an assignment to a
4044 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
4047 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
4049 (visit_expression): When attempting to simplify an expression,
4050 retrieve any modes for arguments before they are simplified
4053 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
4054 Janis Johnson <janis@us.ibm.com>
4056 * stmt.c (expand_goto): A nonlocal goto can be a call too.
4057 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
4058 pointer parameters to match documented usage of nonlocal_goto.
4059 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
4060 parameters to their correct order.
4061 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
4062 parameters to their correct order.
4064 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
4066 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
4068 2001-07-25 Jan Hubicka <jh@suse.cz>
4069 Richard Henderson <rth@redhat.com>
4071 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
4073 (make_edges): New argument update_p; populate the edge cache if set.
4074 (find_basic_blocks): Update make_edges invocation.
4076 2001-07-24 Joel Sherrill <joel@OARcorp.com>
4078 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
4080 2001-07-24 Joel Sherrill <joel@OARcorp.com>
4082 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
4083 -Acpu and -Amachine.h.
4084 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
4085 Corrected header to say ELF not a.out.
4086 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
4087 when given -msoft-float.
4089 2001-07-24 Joel Sherrill <joel@OARcorp.com>
4091 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
4092 extra multilib parts like arm-elf.
4093 (i960-*-coff*, i960-*-rtems): Should not use collect2.
4094 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
4095 crtfini.o as extra multilib parts.
4097 2001-07-24 Joel Sherrill <joel@OARcorp.com>
4099 * configure.in: Add rtems as a supported thread model.
4100 * gthr-rtems.h: Add missing entry point __gthread_active_p.
4101 * configure: Rebuilt.
4103 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
4105 * stor-layout.c (get_mode_alignment): make it work when
4106 BITS_PER_UNIT is not a power of two.
4107 * builtins.c (get_pointer_alignment): Likewise.
4109 2001-07-24 Richard Henderson <rth@redhat.com>
4111 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
4112 the retrieved constant into the expected mode.
4114 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4116 * flow.c (try_simplify_condjump): Avoid duplicated edges.
4117 (verify_flow_info): Check for duplicated edges; clarify
4120 * flow.c (block_label): Update basic_block_for_insn.
4121 (commit_edge_insertions): Call compute_bb_for_insn.
4123 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
4126 * flow.c (redirect_edge_and_branch,
4127 try_optimize_cfg): Use redirect_edge_succ_nodup
4128 (redirect_edge_succ_nodup): New.
4129 * basic_block.h (redirect_edge_succ_nodup): Declare.
4131 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
4134 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
4136 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
4137 (try_crossjump_to_edge): Update commetns.
4138 (try_crossjump_bb): Likewise.
4140 2001-07-24 Richard Henderson <rth@redhat.com>
4142 * combine.c (distribute_notes): Move set of need_refresh
4143 for noop_move_p down to catch all cases.
4145 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
4147 * recog.c (split_all_insns_noflow): New.
4148 * rtl.h (split_all_insns_noflow): Declare.
4149 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
4150 * m68hc11.c (m68hc11_reorg): Likewise.
4151 * sh.c (machine_dependent_reorg): Likewise.
4152 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
4155 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
4157 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
4158 (ashlsi3_n splitter): Likewise.
4159 (lshrsi3_n splitter): Likewise.
4161 (GOTaddr2picreg): Make const SImode.
4162 (sym_label2reg): Likewise.
4163 (symGOT2reg): Likewise.
4164 (symGOTOFF2reg) Likewise.
4166 (casesi_worker_0): Make unspec SImode.
4168 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
4170 * config/sh/sh.c (barrier_align): Check that an operand really is
4171 an insn before extracting its INSN_CODE.
4173 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
4175 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
4178 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
4179 for SImode to prevent overflow.
4181 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4183 * config/mips/irix6-libc-compat.c: New file.
4184 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
4185 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
4188 2001-07-24 lars brinkhoff <lars@nocrew.org>
4190 * rtl.texi (REG_POINTER): Document.
4191 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
4192 QFmode, HFmode, TQFmode, QCmode, and HCmode.
4194 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
4196 * flow.c (delete_noop_moves): Do not confuse libcall regions.
4198 2001-07-23 Richard Henderson <rth@redhat.com>
4200 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
4202 2001-07-23 Kazu Hirata <kazu@hxi.com>
4204 * config/h8300/h8300-protos.h: Add a prototype for
4205 general_operand_dst_push.
4206 * config/h8300/h8300.c (general_operand_dst_push): New.
4207 * config/h8300/h8300.h (OK_FOR_T): New.
4208 (EXTRA_CONSTRAINT): Use it.
4209 * config/h8300/h8300.md (movqi_push): Remove and integrate into
4210 the existing movqi pattern.
4211 (movhi_push): Likewise.
4213 * reload.c: Fix comment typos.
4215 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
4217 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
4219 2001-07-23 H.J. Lu (hjl@gnu.org)
4221 * doc/extend.texi: Update __builtin_return_address and
4222 __builtin_frame_address.
4224 2001-07-23 Richard Henderson <rth@redhat.com>
4226 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
4228 * config/i386/i386.md: New setcc+movzbl peephole2.
4230 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4232 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
4233 * objc/objc-act.c: Include debug.h.
4234 (synth_module_prologue): Save and restore debug hooks too.
4236 2001-07-23 lars brinkhoff <lars@nocrew.org>
4238 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
4239 and C4X_FLOAT_FORMAT.
4240 (BOOL_TYPE_SIZE): Document.
4242 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
4244 * unroll.c (loop_iterations): Fix miscalculation of initial
4247 2001-07-13 Andrew Haley <aph@redhat.com>
4249 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
4250 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
4251 * config/sh/sh.c (sh_can_redirect_branch): New function.
4252 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
4253 * reorg.c (steal_delay_list_from_target): Use
4254 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
4256 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4258 * flow.c (try_simplify_condjump): Unlink insn chain on
4259 fallthru edge; use can_fallthru.
4261 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4263 * basic-block.h (find_sub_basic_block): Declare.
4264 * flow.c (make_edges): New arguments MIN and MAX;
4265 (find_sub_basic_blocks): Revamp to use make_edges
4266 and purge_dead_edges.
4267 (find_basic_blocks): Update call of find_sub_basic_block.
4269 * recog.c (split_all_insns): Always expect CFG to be consistent;
4270 call find_sub_basic_blocks in case something has changed.
4271 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
4274 * basic-block.h (delete_noop_moves): Declare.
4275 * combine.c (combine_instructions): Call it.
4276 (recog_for_combine): Tolerate noop moves
4277 (distribute_notes): Force refresh when register dies at noop move.
4278 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
4280 (life_analysis): Update delete_noop_moves call.
4281 (set_noop_p): Move too ...
4282 * rtlanal.c (noop_move_p): ... here.
4283 * rtl.h (noop_move_p): Declare.
4285 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
4286 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
4288 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
4289 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
4291 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
4293 * reload.c (push_reload): Fix typo in comment.
4294 (find_reloads_address): Ditto.
4295 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
4297 2001-07-22 Richard Henderson <rth@redhat.com>
4299 * flow.c: Grammar check and clarify a lot of comments.
4300 (try_simplify_condjump): Rename variables to be clearer.
4301 (try_forward_edges): Skip complex and fallthru edges.
4302 Rearrange tests to avoid duplicate checks.
4303 (flow_find_cross_jump): Likewise.
4304 (outgoing_edges_match): Allow match if neither branch has
4305 probability data. Loosen probability match to 5%.
4306 (try_crossjump_to_edge): Hoist repeated indirection into
4308 (try_crossjump_bb): Don't check complex edges. Eliminate
4309 redundant crossjump tests.
4310 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
4311 checks before more expensive checks.
4313 2001-07-22 Richard Henderson <rth@redhat.com>
4315 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
4316 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
4319 2001-07-22 Richard Henderson <rth@redhat.com>
4321 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
4322 (const_sint32_operand): Likewise.
4323 * m68k.md (anon mulsi pattern): Use const_int_operand not
4324 const_sint32_operand.
4325 (umulsi3_highpart): Zero extend a constant input.
4326 (smulsi3_highpart): Don't bother checking SImode constant.
4327 (const_umulsi3_highpart): Give op3 DImode.
4328 (const_smulsi3_highpart): Likewise.
4330 2001-07-22 Richard Henderson <rth@redhat.com>
4332 * flow.c (split_block): Make sure bb_note is included in the
4333 new block when splitting before a label.
4335 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4337 * basic-block.h (redirect_edge_and_branch_force,
4338 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
4339 * flow.c (redirect_edge_and_branch_force,
4340 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
4341 (redirect_edge_and_branch_force): Fix copying of lifeness information.
4342 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
4343 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
4344 instead of label; update CFG after transformation.
4345 (find_if_case_1): Update call, use redirect_edge_and_branch_force
4346 for finishing the transformation; handle even case where ELSE
4347 does not follow THEN.
4348 (find_if_case_2): Update call of dead_or_predictable; simplify
4351 * emit-rtl.c (split_branch_probability): New global variable.
4352 (try_split): Take care to set split_branch_probability and
4353 create REG_BR_PROB note for new jump insns.
4354 * md.texi (define_split): Document new feature.
4356 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
4358 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
4360 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
4361 (asm_out_file): Remove redundant declaration.
4362 (assemble_asm): Remove old #if 0 block.
4363 (assemble_variable): Remove end of function; debug output is
4364 now handled with global_decl. Remove old #if 0 block. Update.
4365 Remove saved_in_section and associated no-op code.
4366 * Makefile.in (varasm.o): Correct dependencies.
4368 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
4370 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
4371 the definition in defaults.h.
4373 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
4375 * jump.c: Update comments.
4376 (delete_barrier_successors, delete_unreferenced_labels,
4377 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
4378 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
4379 jump_optimize, jump_optimize_minimal): Kill.
4380 (rebuild_jump_labels): Move code from jump_optimize_1.
4381 (purge_line_number_notes): Likewise.
4382 (copy_loop_headers): Likewise.
4383 * reg-stack.c: Update comment.
4385 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
4386 JUMP_AFTER_REGSCAN): Kill.
4387 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
4388 purge_line_number_notes and copy_loop_headers.
4390 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
4391 Richard Henderson <rth@redhat.com>
4393 * dbxout.c (dbxout_global_decl): New.
4394 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
4395 * sdbout.c (sdbout_finish): New.
4396 (sdbout_debug_hooks): Use it, add comments.
4397 (sdbout_global_decl): Defer initialised public vars to
4399 * varasm.c (assemble_variable): Don't output debug information
4400 for file-scope variables.
4402 2001-07-22 Richard Henderson <rth@redhat.com>
4404 * config/alpha/alpha.c (get_trap_mode_suffix): New.
4405 (get_round_mode_suffix): New.
4406 (print_operand): Use them for [/]. Remove support for [&'`()+].
4407 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
4408 * config/alpha/alpha.md (attr round_suffix): New.
4409 (attr trap_suffix): New.
4410 (all insns): Set them appropriately. Use %/ instead of the
4413 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4415 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
4417 2001-07-22 Richard Henderson <rth@redhat.com>
4419 * regrename.c (regrename_optimize): Compute nregs for each
4420 potential target register.
4422 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
4423 Richard Henderson <rth@redhat.com>
4425 * dbxout.c (dbxout_global_decl): New.
4426 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
4427 * sdbout.c (sdbout_finish): New.
4428 (sdbout_debug_hooks): Use it, add comments.
4429 (sdbout_global_decl): Defer initialised public vars to
4431 * varasm.c (assemble_variable): Don't output debug information
4432 for file-scope variables.
4434 2001-07-21 H.J. Lu (hjl@gnu.org)
4436 * config/mips/mips.c (mips_cpu): Moved into ...
4437 (override_options): Here.
4439 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
4441 (mips_cpu): Removed.
4443 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4445 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
4446 ("iorqi3"): Likewise.
4447 ("xorqi3"): Likewise.
4448 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
4449 ("*subhi3_sp): Likewise.
4450 ("*subhi3"): Likewise.
4451 ("extendhisi2"): Accept D, X and Y as source operand to avoid
4454 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
4456 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
4457 * config/freebsd.h: Likewise.
4458 * config/linux.h: Likewise.
4459 * config/openbsd.h: Likewise.
4460 * config/alpha/linux-elf.h: Likewise.
4461 * config/arm/linux-elf.h: Likewise.
4462 * config/d30v/d30v.h: Likewise.
4463 * config/fr30/fr30.h: Likewise.
4464 * config/ia64/aix.h: Likewise.
4465 * config/ia64/ia64.h: Likewise.
4466 * config/mips/linux.h: Likewise.
4467 * config/pj/pj.h: Likewise.
4468 * config/rs6000/linux.h: Likewise.
4469 * config/sparc/linux.h: Likewise.
4470 * config/sparc/linux64.h: Likewise.
4472 2001-07-20 Bruce Korb <bkorb@gnu.org>
4474 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
4475 because getc() and char* may disagree on signedness.
4477 2001-07-20 Richard Henderson <rth@redhat.com>
4479 * doc/rtl.texi (REG_DEAD): Update for current semantics.
4481 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
4482 insns to delete in the presence of cc0 in a jump insn.
4484 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
4485 Jan Hubicka <jh@suse.cz>
4487 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
4488 of doing the change by hand.
4490 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
4492 * rtlanal.c (set_noop_p): Return true for noop jumps.
4494 * expr.c (emit_single_push_insn): Add call to push expander.
4495 * expr.h (optab_index): Add OTI_push
4496 (push_optab): New constant.
4497 * genopinit.c (optabs): Add push_optab.
4498 * optabs.c (init_optab): Init push optab.
4499 * md.texi (push??1): Document
4501 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4503 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
4504 expand to emit the pattern; put a REG_INC note for push/pop
4506 ("movdf", "movdf_internal"): Likewise.
4507 ("movsi", "movsi_internal"): Likewise.
4508 ("movsf", "movsf_internal"): Likewise.
4509 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
4511 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4513 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
4516 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
4518 * params.def: Change default max inline insns to 100.
4520 2001-07-20 Diego Novillo <dnovillo@redhat.com>
4522 * combine.c (combine_simplify_rtx): Generate a new shift operation
4523 when simplifying the first operand of a (neg (ashift)) expression.
4525 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4527 * regclass.c (N_REG_INTS): Use only 32 bits per element.
4529 2001-07-20 Kelley Cook <kelley.cook@home.com>
4531 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
4532 information. Move rest into ...
4533 (*-*-solaris): ... here. Eliminate redundant information and
4534 reword necessary packages section. Delete 4.x assembler bug info.
4535 (sparc-sun-*): Merge into ...
4536 (sparc-sun-sunos*): here.
4538 2001-07-20 Catherine Moore <clm@redhat.com>
4540 * config/v850/v850.md (casesi): Generate LABEL_REF
4543 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
4545 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
4546 * i386.c (ix86_zero_extend_to_Pmode): Make global.
4547 * i386.md (strclrsi expander): Use it.
4549 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4551 * integrate.c (copy_insn_list): handle
4552 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
4553 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
4554 identically as to CODE_LABEL.
4556 * fold-const (fold): Convert A/B/C to A/(B*C) and
4559 * except.c (connect_post_landing_pads): Delete the RESX insns.
4561 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
4563 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
4565 * config/mips/mips.md (nmadd/nmsub): Use macro.
4567 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
4569 * cppinit.c (remove_dup_dir): Make static.
4570 (remove_dup_dirs): Make static. Only warn about preempting a
4571 system directory with a non-system directory.
4573 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
4575 * ifcvt.c (noce_try_store_flag_constants): Correct order
4576 of parameters to trunc_int_for_mode.
4578 2001-07-19 Mark Mitchell <mark@codesourcery.com>
4580 * reorg.c (fill_simple_delay_slots): If an instruction might throw
4581 an exception that will be caught within this function, do not fill
4582 its delay slot with any subsequent instruction.
4584 2001-07-19 Steve Ellcey <sje@cup.hp.com>
4586 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
4587 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
4588 pointer extension instruction.
4589 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
4590 * simplify-rtx.c (simplify_unary_operation) Likewise.
4591 * explow.c (convert_memory_address) Check value of
4592 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
4594 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
4595 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
4596 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
4597 Add Multilib Support.
4598 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
4599 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
4600 Add Multilib Support.
4601 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
4603 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
4604 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
4605 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
4607 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
4609 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
4610 old and new operands in `<', `3' and `b'.
4612 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
4614 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
4615 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
4616 (toplev.o): Don't depend on xcoffout.h.
4617 * c-decl.c: Include debug.h
4618 (duplicate_decls): Use debug hook.
4619 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
4620 (dbx_debug_hooks, xcoff_debug_hooks): Update.
4621 (dbxout_types): Remove.
4622 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
4623 * debug.c (do_nothing_debug_hooks): Update.
4624 (debug_true_tree, debug_nothing_rtx): New.
4625 * debug.h (struct rtx_def): New.
4626 (struct gcc_debug_hooks): New hooks ignore_block,
4627 outlining_inline_function and label.
4628 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
4629 dwarf2out_frame_finish): New.
4630 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
4631 Make static, update prototype.
4632 (dwarf2_debug_hooks): Update.
4633 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
4634 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
4635 * dwarfout.c (dwarf_debug_hooks): Update.
4636 * emit-rtl.c: Include debug.h.
4637 (remove_unnecessary_notes): Use debug hook.
4638 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
4639 (final_scan_insn): Use debug hook.
4640 * integrate.c (output_inline_function): Use debug hook.
4641 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
4642 (sdb_debug_hooks): Update.
4643 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
4644 * toplev.c: Don't include xcoffout.h.
4645 (note_outlining_of_inline_function, debug_ignore_block): Remove.
4646 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
4648 * tree.h (dwarf2out_do_frame): Remove.
4650 2001-07-19 Catherine Moore <clm@cygnus.com>
4652 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
4654 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
4656 * reload1.c (eliminate_regs_in_insn): When updating a set
4657 to the frame pointer to the hardware frame pointer, perform
4658 the update always not just when REPLACE is set.
4660 * reload1.c (choose_reload_regs): Don't inherit a reload
4661 that crosses multiple registers if registers past the first
4662 don't fit in the desired class.
4664 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
4665 when negating constants.
4667 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
4669 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
4670 * doc/tree.texi: Ditto.
4672 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
4673 Jakub Jelinek <jakub@redhat.com>
4675 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
4676 (extract_cie_info): Handle "eh" augmentation properly,
4678 (struct frame_state, __frame_state_for): New.
4680 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4682 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
4683 HANDLE_SYSV_PRAGMA): Define.
4684 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
4686 (copy_object): Caller changed.
4688 2001-07-19 Andreas Schwab <schwab@suse.de>
4690 * configure.in (assembler dwarf2 debug_line support): Define nop
4692 * configure: Regenerated.
4694 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
4696 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
4698 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
4699 to conditionally compiled block.
4700 (dbx_debug_hooks, xcoff_debug_hooks): Update.
4701 * dbxout.h (dbxout_function): Remove.
4702 * debug.c (do_nothing_debug_hooks): Update.
4703 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
4704 global_decl, deferred_inline_function.
4705 * dwarf2out.c (dwarf2_debug_hooks): Update.
4706 (dwarf2out_global_decl): New.
4707 * dwarfout.c: Don't include dwarfout.h.
4708 (dwarfout_global_decl, dwarfout_function_decl,
4709 dwarfout_deferred_inline_function): New.
4710 (dwarf_debug_hooks): Update.
4711 * dwarfout.h: Remove.
4712 * final.c: Don't include dwarfout.h.
4713 * sdbout.c (sdbout_global_decl): New.
4714 (sdbout_debug_hooks): Update.
4715 * toplev.c: Don't include dwarfout.h.
4716 (check_global_declarations, rest_of_compilation): Use new debug hooks.
4717 (note_deferral_of_defined_inline_function): Remove.
4718 * toplev.h (note_deferral_of_defined_inline_function): Remove.
4719 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
4720 * ch/lex.c: Don't include dwarfout.h.
4721 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
4722 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
4723 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
4724 * cp/optimize.c: Include debug.h.
4725 (maybe_clone_body): Use debug hook.
4726 * cp/semantics.c: Include debug.h.
4727 (expand_body): Use debug hook.
4728 * po/POTFILES.in: Remove dwarfout.h.
4730 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
4732 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
4733 * c-parse.in (yyerror, _yylex): Similarly.
4734 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
4735 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
4737 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
4738 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
4740 2001-07-18 Jeff Sturm <jsturm@one-point.com>
4742 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
4743 in-class declaration at -g1. Fixes c++/2814.
4745 2001-07-18 Richard Henderson <rth@redhat.com>
4747 * doc/md.texi (reload_in/out): Document restrictions in predicates
4748 and constraints for these patterns. Document empty string matching
4751 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4753 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
4755 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4757 * cse.c: Undo my previous patch.
4759 2001-07-18 Tom Tromey <tromey@redhat.com>
4762 * configure: Rebuilt.
4763 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
4765 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
4767 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
4768 Jan Hubicka <jh@suse.cz>
4770 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
4771 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
4772 * jump.c (mark_jump_label): Do not forward branches.
4774 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
4776 * cse.c (delete_trivially_dead_insns): Delete the libcall block
4777 when return value is unused.
4779 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4781 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
4783 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
4785 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
4786 on error. We can't blindly return the result of
4787 pthread_mutex_trylock because it returns a positive number on
4788 error, while we must return -1 on error.
4789 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
4791 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
4793 2001-07-18 Andreas Jaeger <aj@suse.de>
4795 * integrate.c (output_inline_function): Correct type of debug_hooks.
4797 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
4799 * combine.c (combine_simplify_rtx): DIV can be treated
4800 associatively for floats if unsafe math optimisations are enabled.
4802 2001-07-17 Richard Henderson <rth@redhat.com>
4804 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
4806 2001-07-17 Richard Henderson <rth@redhat.com>
4808 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
4809 don't force the function address into a register.
4810 (expand_call, emit_library_call_value_1): Update callers.
4811 * builtins.c (expand_builtin_apply): Likewise.
4812 * expr.h (prepare_call_address): Update decl.
4814 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
4816 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
4818 * config/i386/chorus.h: Move up.
4819 * config/sparc/chorus.h: Likewise.
4820 * config/rs6000/chorus.h: Likewise.
4821 * config/chorus.h: Moved here.
4823 2001-07-17 Andreas Schwab <schwab@suse.de>
4825 * configure.in (assembler eh_frame optimization): Handle big
4827 * configure: Regenerated.
4829 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
4831 * expr.c (epxand_expr): Convert divisions into multiplications by
4832 reciprocals if -ffast-math.
4834 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
4836 * dbxout.c (dbxout_really_begin_function): Rename to
4837 dbxout_begin_function.
4838 (dbx_debug_hooks, xcoff_debug_hooks): Update.
4839 (dbxout_begin_function): Remove.
4840 (dbxout_function): Update.
4841 (dbxout_source_line): Update prototype.
4842 * dbxout.h (dbxout_begin_function): Remove.
4843 * debug.c (do_nothing_debug_hooks): Update.
4844 (debug_nothing_tree): Update.
4845 (debug_nothing_charstar_rtx): Remove.
4846 * debug.h (union tree_node): Declare.
4847 (struct rtx_def): Remove.
4848 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
4849 begin_function. Change source_line prototype.
4850 (debug_nothing_tree): New.
4851 (debug_nothing_charstar_rtx): Delete.
4852 (dwarf2out_begin_prologue): Moved from ...
4854 * dwarf2out.c (dwarf2_debug_hooks): Update.
4855 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
4856 debug info, call dwarf2out_source_line.
4857 (dwarf2out_souce_line): Update prototype.
4858 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
4859 Change prototype, make static.
4860 (dwarfout_source_line): Update prototype.
4861 (dwarf_debug_hooks): Update.
4862 * dwarfout.h (dwarfout_begin_function): Remove.
4863 * final.c (final_start_function, final_scan_insn): Use appropriate
4864 debug hooks, update to use notice_source_line.
4865 (output_source_line): Rename notice_source_line. Don't call the
4866 source_line debug hook.
4867 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
4868 make static, update prototype.
4869 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
4871 (sdbout_end_prologue): New.
4872 (sdbout_source_line): Update prototype.
4873 (sdbout_debug_hooks): Update.
4874 (sdbout_symbol): Remove unused var.
4875 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
4877 * varasm.c: Include debug.h.
4878 (assemble_start_function): Use begin_function debug_hook.
4879 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
4880 update with prototype.
4881 (xcoffout_source_line): Update prototype.
4882 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
4884 (xcoffout_source_line): Update prototype.
4886 2001-07-17 Richard Henderson <rth@redhat.com>
4888 * c-typeck.c (build_binary_op): Do not shorten unsigned
4889 right shift after sign extension.
4891 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
4893 * combine.c (combine_simplify_rtx): Attempt to simplify
4894 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
4896 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
4897 (simplify_binary_operation, simplify_unary_operation,
4898 simplify_relational_operation): Use it.
4900 * combine.c (combine_simplify_rtx): Don't do associative law
4901 on divisions; allow associative law on floats.
4903 2001-07-17 H.J. Lu <hjl@gnu.org>
4904 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4906 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
4907 ASM_OUTPUT_WEAK_ALIAS are defined.
4908 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
4909 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
4911 * config/mips/iris5.h: ... here.
4912 (HANDLE_SYSV_PRAGMA): Defined as 1.
4913 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
4914 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
4917 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
4919 * c-parse.in (all_prefix_attributes): New variable.
4920 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
4921 (maybe_resetattrs): New production.
4922 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
4923 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
4924 notype_initdcl, nested_function, notype_nested_function,
4925 component_decl, components, components_notype,
4926 component_declarator, component_notype_declarator,
4927 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
4928 ivars, mydecl, myparm): Update. Avoid prefix attributes just
4929 after a comma being applied to more than one declarator.
4930 * doc/extend.texi (Attribute Syntax): Update. Remove
4931 documentation of bugs that are no longer present.
4933 2001-07-13 Eric Christopher <echristo@redhat.com>
4935 * config/mips/mips.h: Change TUNE_MIPS* options to use
4937 (EXTRA_SPECS): Add cc1_cpu_spec.
4938 * config/mips/mips.md (muldf3): Fix typo.
4940 2001-07-16 Richard Henderson <rth@redhat.com>
4942 * config/m68k/m68k.c: Include expr.h and reload.h.
4943 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
4944 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
4946 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
4947 Richard Henderson <rth@redhat.com>
4949 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
4950 (insn_live_p): Fix fall off end of function.
4951 (dead_libcall_p): Remove COUNTS argument; update callers.
4952 (delete_trivially_dead_insns): Remove unused variables.
4954 2001-07-17 Andreas Jaeger <aj@suse.de>
4956 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
4959 * lcm.c (optimize_mode_switching): Avoid warning for unused
4960 variable if !NORMAL_MODE.
4962 * flow.c (try_crossjump_to_edge): Remove unused variable.
4964 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
4966 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
4967 atexit declaration in stdlib.h.
4969 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
4971 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
4973 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4975 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
4976 * except.c (finish_eh_generation): Update call of cleanup_cfg;
4977 do rebuild_jump_labels instead of jump_optimize
4978 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
4979 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
4980 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
4982 * flow.c: Include timevar.h
4983 (find_basic_block): Push/pop timevar;
4984 (cleanup_cfg): Likewise.
4985 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
4986 * Makefile: Add dependencies on timevar.h
4988 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
4989 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
4991 * rtl.h (delete_trivially_dead_insns): Add new parameter.
4992 * toplev.c (rest_of_compilation): Update calls.
4993 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
4994 (delete_trivially_dead_insns): ... here; accept new argument
4995 preserve_basic_blocks; preserve basic blocks if set.
4997 * reg-stack.c (stack_regs_mentioned): Return 0 if
4998 stack_regs_mentioned_data is not initialized.
4999 (reg_to_stack): Make stack_regs_mentioned survive after the
5000 reg-stack is completted; do not call cleanup_cfg.
5001 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
5002 make cleanup_cfg after bb-reorder to output to debug file.
5004 2001-07-16 Richard Henderson <rth@redhat.com>
5006 * regclass.c (init_reg_sets): Use only 32 bits per initializer
5007 from int_reg_class_contents.
5009 2001-07-16 Richard Henderson <rth@redhat.com>
5011 * hard-reg-set.h (regs_invalidated_by_call): Declare.
5012 * regclass.c (regs_invalidated_by_call): Move from cse.c.
5013 (init_reg_sets_1): Move initialization from cse_main.
5014 * cse.c (regs_invalidated_by_call): Move to regclass.c.
5015 (cse_main): Move its initialization also.
5016 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
5017 * flow.c (propagate_one_insn): Likewise.
5018 * gcse.c (compute_hash_table): Likewise.
5019 (compute_kill_rd, compute_store_table): Likewise.
5020 * sched-deps.c (sched_analyze_1): Likewise.
5022 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
5024 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
5027 2001-07-16 Steve Ellcey <sje@cup.hp.com>
5029 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
5030 in if statement so we don't access undefined memory.
5032 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
5034 * gcse.c: Update comment at top.
5035 Update comment on mem handling.
5036 mem_last_set, mem_first_set, mem_set_in_block: gone.
5037 Declaration of reg_set_info: gone.
5038 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
5039 pointless with load_killed_in_block_p (they are *more*
5040 conservative then it, not less, and less accurate).
5041 (oprs_not_set_p): Ditto.
5042 (alloc_gcse_mem): Don't allocate mem_set_in_block
5043 (free_gcse_mem): Don't free it, either.
5044 (record_last_mem_set_info): Update comment in front, remove
5045 mem_*set_* stuff. Note the reason we don't handle stores directly
5047 (compute_hash_table): Update comments to reflect reality. Remove
5048 mem_*set_* references.
5049 (reset_opr_set_tables): Remove mem_*set_* references.
5051 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
5052 (mark_clobber): Ditto (on both parts, we double set here too).
5053 (expr_killed_p): Remove mem_set_in_block test.
5054 (compute_transp): Remove mem_set_in_block test.
5056 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
5057 of edge, and removal of phi alternative to dump file.
5058 (ssa_ccp_substitute_constants): Add note about register now being
5059 constant, and which uses were replaced in what insns to dump file.
5061 2001-07-16 Andreas Jaeger <aj@suse.de>
5063 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
5064 variables of type HOST_WIDEST_INT.
5066 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
5067 (__bb_exit_func): Correct type of count_max to avoid overflow.
5068 (num_digits): Handle long long argument.
5070 * combine.c (gen_lowpart_for_combine): Remove unused variable.
5072 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5074 * output.h (sdb_begin_function_line): Restore as an extern
5076 * sdbout.c (sdb_begin_function_line): Make extern.
5078 2001-07-15 Richard Henderson <rth@redhat.com>
5080 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
5081 * genrecog.c (maybe_both_true_mode): New.
5082 (maybe_both_true_2): Use it.
5083 (write_switch): Don't put Pmode in a switch.
5084 * rtl.c (mode arrays): Don't explicitly size them.
5086 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5088 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
5089 handling; move unconditional splitting before mode switching.
5091 * i386.md (type): Add fistp type.
5092 (i387, length_attr, scheduling definitions): Handle this type.
5093 (fix_trunc?f?i2): Revamp to use mode switching.
5094 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
5095 * i386.h (fp_cw_mode): New enum
5096 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
5097 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
5099 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5101 * Makefile.in (integrate.o): Add debug.h.
5102 * integrate.c (debug.h): Add.
5103 (output_inline_function): Save, reset, and restore debug_hooks.
5105 2001-07-15 Richard Henderson <rth@redhat.com>
5107 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
5108 instead of COMPARE for the EQUIV expression.
5110 2001-07-15 Richard Henderson <rth@redhat.com>
5112 * flow.c (redirect_edge_and_branch_force): Initialize
5113 global_live_at_start and global_live_at_end.
5114 (allocate_bb_life_data): Export.
5115 * basic-block.h (allocate_bb_life_data): Declare.
5116 * toplev.c (rest_of_compilation): Call it.
5118 2001-07-15 Richard Henderson <rth@redhat.com>
5120 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
5121 (alpha_tablejump_best_label): New.
5122 * config/alpha/alpha-protos.h: Declare them.
5123 * config/alpha/alpha.md: Use braced strings for code blocks.
5124 (tablejump_osf): Break out add with r29.
5125 (tablejump_osf_internal): Remove.
5126 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
5127 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
5129 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5131 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
5134 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
5136 * i386-protos.h (ix86_split_fp_branch): Update prototype.
5137 (ix86_fp_jump_nontrivial_p): New.
5138 * i386.md (fp_jcc_?): Update call of split_fp_branch;
5139 use ix86_fp_jump_nontrivial_p.
5140 * i386.c (ix86_fp_jump_nontrivial_p): New.
5141 (ix86_split_fp_branch): Accept code instead of rtx.
5142 (ix86_expand_compare): Expand comparison early in case
5143 doing so is resonably cheap.
5145 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
5147 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
5149 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
5150 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
5152 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
5154 * dbxout.c (dbxout_source_line): Make static, update prototype.
5155 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
5156 (dbxout_init, dbxout_finish, dbxout_source_line,
5157 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
5158 * dbxout.h (dbxout_source_line): Delete.
5159 * debug.c (debug_nothing_file, debug_nothing_file_int,
5160 debug_nothing_file_charstar_rtx): New.
5161 (do_nothing_debug_hooks): Update.
5162 (debug_nothing_void, debug_nothing_charstar_rtx,
5163 dwarf2out_end_epilogue): New.
5164 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
5165 * debug.h (struct rtx_def): Declare.
5166 (gcc_debug_hooks): New hooks source_line, end_epilogue
5168 (debug_nothing_void, debug_nothing_charstar_rtx,
5169 dwarf2out_end_epilogue): New.
5170 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
5171 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
5172 (dwarf2_debug_hooks): Update.
5173 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
5174 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
5175 * dwarf2out.h (dwarf2out_source_line): Remove.
5176 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
5177 Make static, update prototype.
5178 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
5179 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
5180 (dwarf_debug_hooks): Update.
5181 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
5182 dwarfout_end_function): Remove.
5183 * final.c (profile_function): Use debug hooks for ending functions
5185 (output_source_line, final_end_function): Update prototype,
5187 (final_start_function, final_scan_insn): Update.
5188 * output.h (sdb_begin_function_line): Remove.
5189 (final_end_function): Update prototype.
5190 * sdbout.c (sdb_begin_function_line): Make static.
5191 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
5192 (sdbout_source_line): New.
5193 (sdbout_end_epilogue, sdbout_end_function): Make static, update
5195 (sdb_debug_hooks): Update.
5196 (sdbout_init, sdbout_source_line,
5197 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
5198 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
5199 * toplev.c (compile_file, rest_of_compilation): Update.
5200 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
5201 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
5202 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
5203 Update for prototype changes.
5204 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
5205 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
5207 2001-07-15 Richard Henderson <rth@redhat.com>
5209 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
5210 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
5211 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
5212 * config/alpha/alpha.c: Likewise.
5213 * config/alpha/alpha.md: Likewise.
5214 * config/alpha/alpha32.h: Likewise.
5215 * config/alpha/vms.h: Likewise.
5218 2001-07-14 Richard Henderson <rth@redhat.com>
5220 * config/alpha/alpha.md: Use define_constants for unspec values.
5221 Substitute throughout.
5223 2001-07-14 Tim Josling <tej@melbpc.org.au>
5225 * tree.def (EXPON_EXPR) remove. Never supported anyway.
5227 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
5229 * pa.md: Remove unused constraints from define_split's.
5231 2001-04-14 Richard Henderson <rth@redhat.com>
5233 * ifcvt.c (find_cond_trap): Test for exit block.
5235 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
5237 Re-install recently reverted patch.
5238 * emit-rtl.c (try_split): Update mark_jump_label call.
5239 * flow.c (find_sub_basic_blocks): Likewise.
5240 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
5242 (mark_all_labels): Kill second parameter.
5243 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
5244 (rebuild_jump_labels, jump_optimize_minimal): Update call
5246 (jump_optimize_1): Kill crossjumping code.
5247 (mark_jump_label): Kill cross_jump parameter.
5248 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
5249 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
5250 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
5252 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
5254 (dump_file_info): Likewise.
5255 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
5256 reorganize passes to do reg-stack first, bb-reorder second.
5257 * invoke.texi (-d letters doc): Remove the jump2 pass.
5259 2001-07-14 Richard Henderson <rth@redhat.com>
5261 * ifcvt.c (find_cond_trap): New.
5262 (find_if_header): Call it.
5263 (merge_if_block): Relax existing jump sanity check.
5264 * jump.c (jump_optimize_1): Remove conditional trap handling.
5266 2001-07-14 Alan Modra <amodra@bigpond.net.au>
5268 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
5270 (insn_refs_are_delayed): Correct comment.
5271 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
5272 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
5273 instead of r31. Make associated insn !TARGET_64BIT, and
5274 provide an additional 64-bit insn that clobbers r2.
5276 (udivsi3): Likewise.
5278 (umodsi3): Likewise.
5280 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
5282 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
5284 * flow.c (redirect_edge_and_branch_force, split_edge,
5285 try_crossjump_to_edge): Use set_block_for_new_insns.
5286 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
5288 2001-07-13 H.J. Lu (hjl@gnu.org)
5290 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
5293 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
5295 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
5297 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
5299 * c-common.c (decl_attributes): Take a pointer to the node to
5300 which attributes are to be attached, and a flags argument.
5301 * c-common.h (enum attribute_flags): New.
5302 (decl_attributes): Update prototype.
5303 * c-decl.c (start_decl, push_parm_decl, finish_struct,
5304 finish_enum, start_function): Update calls to decl_attributes.
5305 * c-parse.in (component_declarator, component_notype_declarator,
5306 label): Update calls to decl_attributes.
5308 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
5310 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
5311 * config/avr/avr.c (legitimate_address_p): Return value changed
5312 from letter to register classes. For better debugging.
5314 2001-07-13 Kazu Hirata <kazu@hxi.com>
5316 * jump.c (reversed_comparison_code_parts): Fix comment typos.
5318 2001-07-13 H.J. Lu (hjl@gnu.org)
5320 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
5322 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
5324 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
5325 correctly for shared configurations.
5326 * config/t-libgcc-pic: New.
5327 * config/{i386,m68k,sparc}/t-openbsd: New.
5328 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
5329 Support -shared. Support debugging libraries with -g.
5330 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
5331 frame information does not emit pointer diffs.
5332 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
5335 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
5337 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
5339 2001-07-13 David Edelsohn <edelsohn@gnu.org>
5341 * combine.c (try_combine): Ensure const_int pow2 is positive.
5343 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
5345 * config.gcc: Add configuration for s/390.
5346 * config/s390/s390.c: New. Subroutines for code generation.
5347 * config/s390/s390.h: New. Definitions for s/390.
5348 * config/s390/s390-protos.h: New. Prototypes.
5349 * config/s390/linux.h: New. Definitions for linux for s/390.
5350 * config/s390/linux64.h: New. Definitions for linux for zSeries.
5351 * config/s390/t-linux: New. Makefile fragment.
5352 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
5353 * config/s390/fixdfdi.h: New. Fix L_fix*di.
5355 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5357 * emit-rtl.c (try_split): Update mark_jump_label call.
5358 * flow.c (find_sub_basic_blocks): Likewise.
5359 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
5361 (mark_all_labels): Kill second parameter.
5362 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
5363 (rebuild_jump_labels, jump_optimize_minimal): Update call
5365 (jump_optimize_1): Kill crossjumping code.
5366 (mark_jump_label): Kill cross_jump parameter.
5367 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
5368 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
5369 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
5371 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
5373 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
5374 reorganize passes to do reg-stack first, bb-reorder second.
5375 * invoke.texi (-d letters doc): Remove the jump2 pass.
5377 2001-07-12 Steve Ellcey <sje@cup.hp.com>
5379 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
5381 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5383 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
5385 (verify_flow_info): Make diagnostics prettier.
5387 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
5389 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
5391 * flow.c (outgoing_edges_match): Return early if condition reversal
5394 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
5396 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
5397 (mips_move_2words): When splitting a move into two instructions,
5398 prefix the second address operand with '%D'.
5400 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
5402 * Makefile.in (final.o): Depend on debug.h.
5403 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
5404 (dbx_debug_hooks): Add new hooks.
5405 (xcoff_debug_hooks): New.
5406 * debug.c (debug_nothing_file_int_int): New.
5407 (do_nothing_debug_hooks): Update.
5408 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
5409 (debug_nothing_file_int_int): New.
5410 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
5411 static, update prototype.
5412 (dwarf2_debug_hooks): Update.
5413 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
5414 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
5415 static, update prototype.
5416 (dwarf_debug_hooks): Update.
5417 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
5418 * final.c: Include debug.h.
5419 (final_scan_insn): Use debug hooks when beginning and ending blocks.
5420 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
5421 static, update prototype.
5422 (sdb_debug_hooks): Update.
5423 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
5424 * toplev.c: Distinguish between xcoff and dbx.
5426 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
5427 Call all debug hooks, not just dwarf ones.
5429 2001-07-11 Timothy Wall <twall@redhat.com>
5431 * config.gcc: Add configuration for AIX5/IA64.
5432 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
5433 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
5434 support prefix/suffix code.
5435 * config/ia64/t-aix: New. Makefile fragment.
5436 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
5438 2001-07-11 Kazu Hirata <kazu@hxi.com>
5440 * recog.c (validate_change): Fix a comment typo.
5442 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
5444 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
5445 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
5447 * dbxout.c (dbx_debug_hooks): Add new hooks.
5448 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
5450 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
5452 * dbxout.h (dbxout_start_new_source_file,
5453 dbxout_resume_previous_source_file): Delete.
5454 * debug.c (do_nothing_debug_hooks): Add new hooks.
5455 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
5456 (debug_nothing_int_charstar, debug_nothing_int): New.
5457 * debug.h (gcc_debug_hooks): New hooks define, undef,
5458 start_source_file and end_source_file.
5459 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
5460 (debug_nothing_int_charstar, debug_nothing_int): New.
5461 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
5462 the conditionally compiled section.
5463 (dwarf2out_start_source_file, dwarf2out_end_source_file,
5464 dwarf2out_define, dwarf2out_undef): Make static.
5465 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
5466 dwarf2out_define, dwarf2out_undef): Remove.
5467 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
5468 (dwarfout_start_source_file, dwarfout_end_source_file,
5469 dwarfout_define, dwarfout_undef): Make static.
5470 (dwarfout_start_source_file_check,
5471 dwarfout_end_source_file_check): New.
5472 (dwarfout_define, dwarfout_finish): Update.
5473 * dwarfout.h (dwarfout_start_new_source_file,
5474 dwarfout_resume_previous_source_file, dwarfout_define,
5475 dwarfout_undef): Remove.
5476 * sdbout.c (sdb_debug_hooks): Add new hooks.
5477 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
5479 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
5480 make static, take an arg.
5481 * sdbout.h (sdbout_start_new_source_file,
5482 sdbout_resume_previous_source_file): Delete.
5483 * toplev.c (debug_start_source_file, debug_end_source_file,
5484 debug_define, debug_undef): Delete.
5485 * toplev.h (debug_start_source_file, debug_end_source_file,
5486 debug_define, debug_undef): Delete.
5488 * java/jcf-parse.c: Include debug.h.
5489 (parse_class_file): Update to use debug hooks directly.
5490 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
5492 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5494 * alias.c (set_mem_alias_set): New function.
5495 * rtl.h (set_mem_alias_set): Declare it.
5496 * builtins.c (expand_builtin_return_addr): Call it instead of
5497 using MEM_ALIAS_SET accessor.
5498 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
5499 (get_memory_rtx, expand_builtin_va_arg): Likewise.
5500 (expand_builtin_va_copy):Likewise.
5501 * caller-save.c (setup_save_areas): Likewise.
5502 * calls.c (compute_argument_addresses): Likewise.
5503 * explow.c (set_mem_attributes): Likewise.
5504 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
5505 (expand_assignment, store_constructor_field, store_field): Likewise.
5506 (expand_expr_unaligned): Likewise.
5507 * function.c (assign_stack_temp_for_type): Likewise.
5508 (put_reg_into_stack, gen_mem_addressof): Likewise.
5509 * ifcvt.c (noce_try_cmove_arith): Likewise.
5510 * reload1.c (reload, alter_reg): Likewise.
5511 * config/alpha/alpha.c (get_aligned_mem): Likewise.
5512 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
5513 (alpha_expand_unaligned_store): Likewise
5514 (alpha_expand_unaligned_load_words): Likewise.
5515 (alpha_expand_unaligned_store_words): Likewise.
5516 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
5517 (alpha_expand_epilogue): Likewise.
5518 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
5519 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
5520 * config/i386/i386.c (legitimize_pic_address): Likewise.
5521 * config/i960/i960.c (setup_incoming_varargs): Likewise.
5522 * config/ia64/ia64.c (spill_restore_mem): Likewise.
5523 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
5524 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
5525 * config/mips/mips.c (mips_va_arg): Likewise.
5526 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
5527 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
5528 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
5529 (setup_incoming_varargs, rs6000_va_arg): Likewise.
5530 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
5531 (rs6000_emit_epilogue): Likewise.
5532 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
5533 * config/sparc/sparc.c (sparc_va_arg): Likewise.
5534 * config/v850/v850.c (v850_va_arg): Likewise.
5536 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
5538 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
5539 when fallthru edge is present.
5540 (mege_blocks): Handle case where creation of jump insn
5543 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
5544 CLEANUP_POST_REGSTACK): New constants.
5545 * except.c (finish_eh_generation): Update call of cleanup_cfg,
5546 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
5547 * output.h (cleanup_cfg): Update prototype.
5548 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
5549 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
5550 cleanup_cfg call; kill missleading comment.
5551 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
5552 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
5553 parameter; control optimizations performed using it.
5554 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
5555 try_crossjump_bb): New functions.
5557 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
5559 * pa.c (pa_output_function_prologue): Delete prototype. Make function
5561 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
5562 pa_output_function_prologue.
5563 * pa-protos.h (pa_output_function_prologue): New prototype.
5565 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
5567 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
5568 and low to get correct sign extension in low+high test.
5570 2001-07-11 Janis Johnson <janis@us.ibm.com>
5572 * gcov.c (arcdata): Use gcov_type to fix branch percentage
5573 for large hit count.
5575 * profile.c (branch_prob): Fix .bbg info for computed gotos
5578 2001-07-11 Mark Mitchell <mark@codesourcery.com>
5580 * stmt.c (parse_output_constraint): New function, split out
5582 (expand_asm_operands): ... here. Use parse_output_constraint.
5583 * tree.h (parse_output_constraint): Declare it.
5585 2001-07-11 Richard Henderson <rth@redhat.com>
5587 * bitmap.c: Comment some functions; fiddle whitespace.
5588 (bitmap_free): Don't export.
5589 (bitmap_element_allocate): Use memset.
5590 * bitmap.h (bitmap_free): Don't declare.
5592 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
5594 * gcse.c, lcm.c, sched-deps.c:
5595 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
5597 * flow.c (flow_loops_find): Free dom if we found no loops, since
5598 we aren't going to save it.
5600 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
5603 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
5605 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
5607 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5609 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
5610 #ifndef DWARF2_DEBUGGING_INFO.
5612 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
5614 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
5616 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
5618 * config/mips/mips.c (gen_int_relational): Tell the caller not to
5619 reverse a branch if a NE comparison is implemented with GTU.
5621 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
5622 H.J. Lu <hjl@gnu.org>
5624 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
5626 (call_internal2): Likewise.
5627 (call_value_internal1): Likewise.
5628 (call_value_internal2): Likewise.
5629 (call_value_multiple_internal1): Likewise.
5630 (call_value_multiple_internal2): Likewise.
5632 2001-07-10 Kazu Hirata <kazu@hxi.com>
5634 * calls.c (emit_library_call_value_1): Fix a comment typo.
5635 * dwarf2out.c (mem_loc_descriptor): Likewise.
5636 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
5638 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
5640 * simplify-rtx.c (simplify_subreg): Fix typo in comment
5642 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5644 * recog.c (offsettable_address_p): Handle LO_SUM case.
5645 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
5646 instead of plus_constant.
5648 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5650 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
5651 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
5653 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5655 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
5656 adjust_address_nv instead of plus_constant.
5658 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
5660 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
5661 dwarf2out.o): Depend on debug.h, wrap long lines.
5662 * dbxout.c: Include debug.h.
5663 (dbx_debug_hooks): New.
5664 (dbxout_init): Make static, take just 2 args.
5665 (dbxout_finish): Make static.
5666 * dbxout.h (dbxout_init, dbxout_finish): Delete.
5667 * debug.c: New file.
5668 * debug.h: New file.
5669 * dwarf2out.c: Include debug.h.
5670 (dwarf2_debug_hooks): New.
5671 (dwarf2out_init): Make static.
5672 (dwarf2out_finish): Make static, take 2 args.
5673 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
5674 * dwarfout.c: Include debug.h.
5675 (dwarf_debug_hooks): New.
5676 (dwarfout_init): Make static.
5677 (dwarfout_finish): Make static, take 2 args.
5678 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
5679 * sdbout.c: Include debug.h.
5680 (sdb_debug_hooks): New.
5681 (sdbout_init): Make static, take 2 args.
5682 * sdbout.h (sdbout_init): Delete.
5683 * toplev.c: Include debug.h.
5685 (compile_file): Set deubg_hooks based on command line options.
5686 Use the hooks unconditionally rather than conditional compilation.
5688 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
5690 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
5691 first_insn_after_basic_block_note instead.
5693 * df.c (df_bb_refs_unlink): #if 0 out for now.
5695 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
5697 * ssa.h: Add prototype for ssa_const_prop
5698 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
5699 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
5700 (ssa_fast_dce): Remove unused variable
5702 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5704 * diagnostic.c (finish_diagnostic): Rename to
5705 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
5708 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
5710 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
5713 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
5714 (dump_file): Only pad the demangled name with spaces if the
5715 mangled name was padded with spaces.
5717 2001-07-10 Bernd Schmidt <bernds@redhat.com>
5719 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
5722 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5724 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
5725 extraction if no direct load if either EXPAND_CONST_ADDRESS or
5728 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
5729 whether can put offset inside LO_SUM to check mode alignment, not size.
5731 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5733 * doc/tm.texi (Misc): Fix thinko.
5735 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
5737 * regmove.c (replace_in_call_usage): Fix warnings.
5738 * sched-deps.c (add_dependence): Fix warnings.
5739 * simplify-rtx.c (simplify_subreg): Likewise.
5740 Return NULL_RTX instead of NULL.
5742 * reg-stack.c (emit_swap_insn): Eliminate warnings.
5743 (subst_asm_stack_regs): Likewise.
5745 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
5748 * dwarf2out.c (output_call_frame_info): Declare i as int.
5749 (build_abbrev_table): Declare n_alloc as int.
5750 (dwarf2out_finish): Initialize die.
5751 * except.c: Declare sjlj_funcdef_number as unsigned.
5752 (connect_post_landing_pads): Declare j as unsigned.
5753 (convert_to_eh_region_ranges): Initialize call_site.
5754 (output_function_exception_table): Initialize tt_format_size.
5755 * expr.c (move_by_pieces_1): Initialize to1.
5756 (store_constructor): Initialize minelt and maxelt.
5757 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
5758 * function.c (instantiate_decls): Avoid signed/unsigned warning.
5760 * c-decl.c (combine_parm_decls): Unused, remove.
5761 * c-tree.h: Remove prototype for combine_parm_decls.
5763 * reload.c (push_reload): Fix warning.
5764 (regno_clobbered_p): Likewise.
5765 * reload1.c (replace_pseudos_in_call_usage): Likewise.
5766 (reload_combine): Likewise.
5768 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
5769 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
5771 * bitmap.c (bitmap_operation): Change user.
5772 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
5774 2001-07-10 Eric Christopher <echristo@redhat.com>
5776 * config/mips/mips.c (override_options): Fix typo.
5778 2001-07-09 Stan Shebs <shebs@apple.com>
5780 * target.h (struct gcc_target): New fields init_builtins and
5782 * target-def.h (TARGET_INIT_BUILTINS): New macro.
5783 (TARGET_EXPAND_BUILTIN): New macro.
5784 (TARGET_INITIALIZER): Add them.
5785 * builtins.c: Include target.h.
5786 (expand_builtin): Use targetm.expand_builtin.
5787 (default_init_builtins): New function.
5788 (default_expand_builtin): New function.
5789 * expr.h (default_init_builtins): Declare.
5790 (default_expand_builtin): Declare.
5791 * c-common.c (c_common_nodes_and_builtins): Use
5792 targetm.init_builtins.
5793 * defaults.h (MD_INIT_BUILTINS): Remove.
5794 * Makefile.in (builtins.o): Depend on target.h.
5796 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
5797 (TARGET_EXPAND_BUILTIN): Define.
5798 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
5799 (MD_EXPAND_BUILTIN): Remove.
5801 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
5802 (TARGET_EXPAND_BUILTIN): Define.
5803 (c4x_init_builtins): Make endlink arg a local.
5804 (c4x_print_operand): Fix typos in adjust_address usages.
5805 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
5806 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
5807 (MD_EXPAND_BUILTIN): Remove.
5809 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
5810 (TARGET_EXPAND_BUILTIN): Define.
5811 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
5812 (ix86_init_builtins): Call new function only if TARGET_MMX.
5813 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
5814 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
5815 (MD_EXPAND_BUILTIN): Remove.
5817 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
5818 (TARGET_EXPAND_BUILTIN): Define.
5819 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
5820 (MD_EXPAND_BUILTIN): Remove.
5822 * doc/tm.texi: Document these changes.
5824 2001-07-09 Diego Novillo <dnovillo@redhat.com>
5826 * basic-block.h (tree_node): Forward declare if needed.
5827 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
5828 (BLOCK_HEAD_TREE): Define.
5829 (BLOCK_END_TREE): Define.
5830 (struct loops): Rename field 'tree' to 'tree_root'.
5831 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
5833 (flow_loops_tree_build): Rename reference to field 'tree' to
5835 (flow_loops_level_compute): Ditto.
5836 * predict.c (estimate_bb_frequencies): Ditto.
5837 * tree.h (struct tree_common): Add field 'aux'.
5839 2001-07-09 Stan Shebs <shebs@apple.com>
5841 * config/darwin.c (darwin_encode_section_info): Don't mark any
5842 DECL_EXTERNAL node as defined.
5844 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
5846 * pa.c (pa_init_machine_status, pa_mark_machine_status,
5847 pa_free_machine_status, hppa_init_pic_save): Delete.
5848 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
5849 (hppa_profile_hook): Use hppa_pic_save_rtx.
5850 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
5851 hppa_init_pic_save): Delete.
5852 (hppa_pic_save_rtx): Declare.
5853 * pa.md (call, call_value, sibcall, sibcall_value,
5854 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
5856 2001-07-09 Kazu Hirata <kazu@hxi.com>
5858 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
5859 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
5861 2001-07-09 Andreas Jaeger <aj@suse.de>
5863 * output.h: Add declaration of final_forward_branch_p.
5865 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
5867 * varray.c: Include errors.h for internal_error and trim_filename
5870 * Makefile.in (varray.o): Add errors.h.
5872 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
5874 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
5875 * optabs.c (have_add2_insn): Check whether the add insn chosen
5876 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
5877 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
5879 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
5881 * Makefile.in (OBJS): Add ssa-ccp.o
5882 (ssa-ccp.o): Add dependencies.
5883 * toplev.c (DFI_ssa_ccp): New dump file enum.
5884 (dump_file): Add entry for dumping after SSA CCP.
5885 (flag_ssa_ccp): New flag variable.
5886 (f_options): Add -fssa-ccp.
5887 (rest_of_compilation): Run SSA CCP if requested.
5888 * timevar.def (TV_SSA_CCP): New timevar.
5889 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
5890 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
5891 Fix minor typo in SSA DCE documentation.
5892 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
5893 Add documentation for new dump option. Renumber dump files
5896 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5898 * emit-rtl.c (gen_highpart_mode): New.
5899 * rtl.h (gen_highpart_mode): Declare.
5900 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
5901 operand can be VOIDmode constant.
5903 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
5905 * flow.c (redirect_edge_and_branch_force): New.
5906 (can_fallthru): Ensure that basic blocks are succeeding.
5907 (try_optimize_cfg): Do not delete basic block if it is the last one.
5909 * flow.c (try_redirect_by_replacing_jump): Do not remove
5910 jumps with side effects, unlink chain on fallthru edge;
5911 set block for new jump instruction; avoid basic block to
5912 over by line number note.
5914 * flow.c (try_simplify_condjump): Verify that the condjump
5915 is not always falling trought.
5918 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
5920 * flow.c (forwarder_block_p): Fix for fallthru blocks.
5921 (try_redirect_by_replacing_jump): Update properly the count
5922 and frequency information.
5924 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5926 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
5927 address that is a LO_SUM specially.
5928 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
5930 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
5932 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
5933 (operand_subword): Use them.
5934 (change_address_1): Renamed from change_address; new arg VALIDATE.
5935 * expr.h: Reflect above changes; change_address now macro.
5936 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
5938 * cselib.c (add_mem_for_addr): Likewise.
5939 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
5940 * regmove.c (try_apply_stack_adjustment): Likewise.
5941 * reload.c (push_reload, make_memloc): Likewise.
5942 * reload1.c (eliminate_regs): Likewise.
5943 * simplify-rtx.c (simplify_replace_rtx): Likewise.
5944 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
5946 * combine.c (make_extraction, simplify_shift_const): Likewise.
5947 (gen_lowpart_for_combine): Likewise.
5948 * cse.c (gen_lowpart_if_possible): Likewise.
5949 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
5950 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
5951 * optabs.c (gen_move_insn): Likewise.
5952 * reload1.c (alter_reg): Likewise.
5953 * simplify-rtx.c (simplify_subreg): Likewise.
5954 * stmt.c (expand_anon_union_decl): Likewise.
5955 * recog.c (validate_replace_rtx_1): Likewise.
5957 * Makefile.in (recog.o): Add $(EXPR_H).
5958 * explow.c (stabilize): Call replace_equiv_address.
5959 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
5960 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
5962 2001-07-03 Andrew Haley <aph@redhat.com>
5964 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
5965 the mode of the memory location.
5967 2001-07-09 Bo Thorsen <bo@suse.co.uk>
5969 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
5971 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
5973 * final.c (output_addr_const): Use target opening and
5974 closing parentheses.
5975 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
5976 defaults, add to TARGET_ASM_OUT.
5977 * target.h (struct gcc_target): Add open_paren and close_paren.
5978 * doc/md.texi: Update.
5979 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
5980 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
5981 TARGET_ASM_CLOSE_PAREN.
5982 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
5984 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
5986 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
5987 * config/a29k/a29k.h: Similarly.
5988 * config/alpha/alpha.h: Similarly.
5989 * config/arc/arc.h: Similarly.
5990 * config/arm/aof.h: Similarly.
5991 * config/arm/aout.h: Similarly.
5992 * config/avr/avr.h: Similarly.
5993 * config/c4x/c4x.h: Similarly.
5994 * config/clipper/clipper.h: Similarly.
5995 * config/convex/convex.h: Similarly.
5996 * config/d30v/d30v.h: Similarly.
5997 * config/dsp16xx/dsp16xx.h: Similarly.
5998 * config/elxsi/elxsi.h: Similarly.
5999 * config/fr30/fr30.h: Similarly.
6000 * config/h8300/h8300.h: Similarly.
6001 * config/i370/i370.h: Similarly.
6002 * config/i386/i386.h: Similarly.
6003 * config/i860/i860.h: Similarly.
6004 * config/i960/i960.h: Similarly.
6005 * config/ia64/ia64.h: Similarly.
6006 * config/m32r/m32r.h: Similarly.
6007 * config/m68hc11/m68hc11.h: Similarly.
6008 * config/m68k/m68k.h: Similarly.
6009 * config/m88k/m88k.h: Similarly.
6010 * config/mcore/mcore.h: Similarly.
6011 * config/mips/mips.h: Similarly.
6012 * config/mn10200/mn10200.h: Similarly.
6013 * config/mn10300/mn10300.h: Similarly.
6014 * config/ns32k/ns32k.h: Similarly.
6015 * config/pa/pa.h: Similarly.
6016 * config/pdp11/pdp11.h: Similarly.
6017 * config/pj/pj.h: Similarly.
6018 * config/romp/romp.h: Similarly.
6019 * config/rs6000/rs6000.h: Similarly.
6020 * config/sh/sh.h: Similarly.
6021 * config/sparc/sparc.h: Similarly.
6022 * config/v850/v850.h: Similarly.
6023 * config/vax/vax.h: Similarly.
6024 * config/we32k/we32k.h: Similarly.
6026 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
6028 * doc/c-tree.texi: Document representation of attributes.
6030 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
6032 * doc/tm.texi: Update some places for the rename of target to
6035 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
6037 * target.h (struct gcc_target): Add insert_attributes.
6038 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
6039 (TARGET_INITIALIZER): Update.
6040 * tree.c, tree.h (default_insert_attributes): New function.
6041 Update comments on other default functions to refer to targetm,
6043 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
6044 TARGET_INSERT_ATTRIBUTES.
6045 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
6046 * c-common.c (decl_attributes): Use targetm.insert_attributes.
6047 Don't use PRAGMA_INSERT_ATTRIBUTES.
6048 * Makefile.in (c-common.o): Depend on $(TARGET_H).
6049 * c-decl.c (start_decl, start_function): Don't call
6050 SET_DEFAULT_DECL_ATTRIBUTES.
6051 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
6052 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
6054 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
6055 (c4x_check_attribute): Avoid modifying attribute list itself.
6056 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
6058 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
6059 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
6061 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
6062 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
6064 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
6065 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
6067 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
6068 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
6069 Adjust parameters. Make static.
6071 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
6073 * c-common.c (decl_attributes): Only take a single attributes
6075 * c-common.h (decl_attributes): Update prototype.
6076 * c-decl.c (start_decl, start_function): Only take a single
6077 attributes parameter. Update calls to decl_attributes.
6078 (finish_struct, finish_enum): Update calls to decl_attributes.
6079 (push_parm_decl): Expect unified list of attributes. Update call
6081 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
6082 notype_nested_function, component_declarator,
6083 component_notype_declarator, label): Update calls to
6085 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
6086 lists that are passed to push_parm_decl.
6087 * c-tree.h (start_function, start_decl): Update prototypes.
6088 * config/sh/sh-protos.h, config/sh/sh.c
6089 (sh_pragma_insert_attributes): Only take a single attributes
6091 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
6092 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
6093 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
6094 build_module_descriptor, generate_static_references,
6095 generate_strings, build_selector_translation_table,
6096 generate_descriptor_table, generate_protocols,
6097 generate_ivars_list, generate_dispatch_table,
6098 generate_protocol_list, generate_category,
6099 generate_shared_structures, really_start_method, add_objc_decls,
6100 generate_classref_translation_entry): Update calls to start_decl
6102 (build_tmp_function_decl, start_method_def): Unify attribute lists
6103 that are passed to push_parm_decl.
6105 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
6107 * final.c (no_asm_to_stream): New.
6108 (final_scan_insn): Use target structures for prologue ends
6109 and epilogue starts.
6110 * output.h (no_asm_to_stream): New.
6111 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
6112 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
6113 (TARGET_ASM_OUT): Update.
6114 * target.h (struct gcc_target): New members function_end_prologue
6115 and function_begin_epilogue.
6116 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
6117 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
6118 * config/alpha/alpha.c (output_end_prologue): Rename to
6119 alpha_output_function_end_prologue. Use in target struct
6121 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
6122 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
6123 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
6124 ia64_output_function_end_prologue. Use in target struct
6126 (ia64_function_prologue, ia64_funciton_epilogue): Rename
6127 mistyped prototypes.
6128 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
6129 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
6131 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
6132 an use in target struct, make static.
6133 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
6136 2001-07-08 Richard Henderson <rth@redhat.com>
6138 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
6140 2001-07-08 Richard Henderson <rth@redhat.com>
6142 * config/i386/i386.md: Remove constraints strings from define_split
6143 and define_peephole2 patterns.
6144 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
6145 (eh_return): Use them.
6147 2001-07-08 Richard Henderson <rth@redhat.com>
6149 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
6150 Document MD_FALLBACK_FRAME_STATE_FOR.
6152 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6154 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
6155 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
6157 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
6159 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
6161 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
6162 of the label inside NAME as opposed to just the end of NAME.
6164 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
6166 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
6167 * config/alpha/alpha.c (alpha_init_machine_status,
6168 alpha_mark_machine_status, alpha_free_machine_status): Delete.
6169 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
6170 (vms_valid_decl_attribute_p): Make static, conditionally compile.
6171 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
6173 2001-07-06 Stan Shebs <shebs@apple.com>
6175 * target.h (targetm): Rename global from "target", so as not to
6176 conflict with local variables.
6178 * c-typeck.c: Ditto.
6182 * cp/decl2.c: Ditto.
6183 * cp/typeck.c: Ditto.
6184 * 1750a/1750a.c: Ditto.
6185 * a29k/a29k.c: Ditto.
6189 * clipper/clipper.c: Ditto.
6190 * convex/convex.c: Ditto.
6191 * d30v/d30v.c: Ditto.
6192 * dsp16xx/dsp16xx.c: Ditto.
6193 * elxsi/elxsi.c: Ditto.
6194 * fr30/fr30.c: Ditto.
6195 * h8300/h8300.c: Ditto.
6196 * i370/i370.c: Ditto.
6197 * i386/i386.c: Ditto.
6198 * i860/i860.c: Ditto.
6199 * i960/i960.c: Ditto.
6200 * ia64/ia64.c: Ditto.
6201 * m32r/m32r.c: Ditto.
6202 * m68hc11/m68hc11.c: Ditto.
6203 * m68k/m68k.c: Ditto.
6204 * m88k/m88k.c: Ditto.
6205 * mips/mips.c: Ditto.
6206 * ns32k/ns32k.c: Ditto.
6208 * pdp11/pdp11.c: Ditto.
6209 * romp/romp.c: Ditto.
6210 * rs6000/rs6000.c: Ditto.
6212 * sparc/sparc.c: Ditto.
6214 * we32k/we32k.c: Ditto.
6215 * doc/tm.texi: Update the manual to match.
6217 2001-07-06 Richard Henderson <rth@redhat.com>
6219 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
6220 DWARF2_UNWIND_INFO not just whether it is defined.
6222 2001-07-06 Diego Novillo <dnovillo@redhat.com>
6224 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
6225 call to simplify_binary_operation returns a new pattern.
6227 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6229 * glimits.h (__SHRT_MAX__): New.
6230 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
6231 (SHRT_MAX): Define in terms of __SHRT_MAX__.
6233 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
6235 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
6238 2001-07-06 Richard Henderson <rth@redhat.com>
6240 * bitmap.c (bitmap_release_memory): Move adjacent to the
6241 allocation functions.
6242 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
6243 the implementation. Binary search for the set bit.
6244 (bitmap_union_of_diff): Allocate the temporary on the stack
6245 instead of using xmalloc.
6247 2001-07-06 Richard Henderson <rth@redhat.com>
6249 * genrecog.c (validate_pattern): Warn for constraints in
6250 define_{expand,split,peephole2}. Remove strict_low_part
6251 before looking up match_dup.
6253 2001-07-06 DJ Delorie <dj@redhat.com>
6255 * doc/gcc.texi (Makefile): Rename to be a more general purpose
6256 chapter about various build hints and history. Add section
6257 talking about the various types of native and cross builds.
6259 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
6261 * Makefile.in (final.o): Depend on target.h.
6262 * final.c: Include target.h.
6263 (default_function_pro_epilogue): New.
6264 (final_start_function): Use target structure for function prologues.
6265 (final_end_function): Use target structure for function epilogues.
6266 * fold-const.c (real_hex_to_f): Constify s and p.
6267 * output.h (default_function_pro_epilogue): New.
6268 * real.h (real_hex_to_f): Update prototype.
6269 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
6270 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
6271 (TARGET_INITIALIZER): Update.
6272 * target.h (gcc_target): Add struct asm_out.
6273 * doc/tm.texi: Update.
6276 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
6277 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
6278 in cpu/cpu.c, or rename old functions consistently. Take
6279 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
6280 redundant macros and prototypes. Make new functions static.
6282 * 1750a/1750a.c: Similarly.
6283 * 1750a/1750a.h: Similarly.
6284 * a29k/a29k-protos.h: Similarly.
6285 * a29k/a29k.c: Similarly.
6286 * a29k/a29k.h: Similarly.
6287 * arc/arc-protos.h: Similarly.
6288 * arc/arc.c: Similarly.
6289 * arc/arc.h: Similarly.
6290 * arm/arm-protos.h: Similarly.
6291 * arm/arm.c: Similarly.
6292 * arm/arm.h: Similarly.
6293 * avr/avr-protos.h: Similarly.
6294 * avr/avr.c: Similarly.
6295 * avr/avr.h: Similarly.
6296 * clipper/clipper-protos.h: Similarly.
6297 * clipper/clipper.c: Similarly.
6298 * clipper/clipper.h: Similarly.
6299 * convex/convex.c: Similarly.
6300 * convex/convex.h: Similarly.
6301 * d30v/d30v-protos.h: Similarly.
6302 * d30v/d30v.c: Similarly.
6303 * d30v/d30v.h: Similarly.
6304 * d30v/d30v.md: Similarly.
6305 * dsp16xx/dsp16xx-protos.h: Similarly.
6306 * dsp16xx/dsp16xx.c: Similarly.
6307 * dsp16xx/dsp16xx.h: Similarly.
6308 * elxsi/elxsi.c: Similarly.
6309 * elxsi/elxsi.h: Similarly.
6310 * fr30/fr30.c: Similarly.
6311 * fr30/fr30.md: Similarly.
6312 * h8300/h8300-protos.h: Similarly.
6313 * h8300/h8300.c: Similarly.
6314 * h8300/h8300.h: Similarly.
6315 * i370/i370-protos.h: Similarly.
6316 * i370/i370.c: Similarly.
6317 * i370/i370.h: Similarly.
6318 * i386/i386.c: Similarly.
6319 * i386/osf1elf.h: Similarly.
6320 * i386/osfrose.h: Similarly.
6321 * i860/i860-protos.h: Similarly.
6322 * i860/i860.c: Similarly.
6323 * i860/i860.h: Similarly.
6324 * i960/i960-protos.h: Similarly.
6325 * i960/i960.c: Similarly.
6326 * i960/i960.h: Similarly.
6327 * ia64/ia64-protos.h: Similarly.
6328 * ia64/ia64.c: Similarly.
6329 * ia64/ia64.h: Similarly.
6330 * m32r/m32r-protos.h: Similarly.
6331 * m32r/m32r.c: Similarly.
6332 * m32r/m32r.h: Similarly.
6333 * m68hc11/m68hc11-protos.h: Similarly.
6334 * m68hc11/m68hc11.c: Similarly.
6335 * m68hc11/m68hc11.h: Similarly.
6336 * m68k/crds.h: Similarly.
6337 * m68k/dpx2.h: Similarly.
6338 * m68k/m68k-protos.h: Similarly.
6339 * m68k/m68k.c: Similarly.
6340 * m68k/m68k.h: Similarly.
6341 * m68k/news.h: Similarly.
6342 * m88k/m88k-protos.h: Similarly.
6343 * m88k/m88k.c: Similarly.
6344 * m88k/m88k.h: Similarly.
6345 * mips/mips-protos.h: Similarly.
6346 * mips/mips.c: Similarly.
6347 * mips/mips.h: Similarly.
6348 * ns32k/merlin.h: Similarly.
6349 * ns32k/ns32k.c: Similarly.
6350 * ns32k/ns32k.h: Similarly.
6351 * ns32k/tek6000.h: Similarly.
6352 * pa/pa-protos.h: Similarly.
6353 * pa/pa.c: Similarly.
6354 * pa/pa.h: Similarly.
6355 * pdp11/2bsd.h: Similarly.
6356 * pdp11/pdp11-protos.h: Similarly.
6357 * pdp11/pdp11.c: Similarly.
6358 * pdp11/pdp11.h: Similarly.
6359 * romp/romp-protos.h: Similarly.
6360 * romp/romp.c: Similarly.
6361 * romp/romp.h: Similarly.
6362 * rs6000/rs6000-protos.h: Similarly.
6363 * rs6000/rs6000.c: Similarly.
6364 * rs6000/rs6000.h: Similarly.
6365 * rs6000/sysv4.h: Similarly.
6366 * sh/sh-protos.h: Similarly.
6367 * sh/sh.c: Similarly.
6368 * sh/sh.h: Similarly.
6369 * sparc/sparc-protos.h: Similarly.
6370 * sparc/sparc.c: Similarly.
6371 * sparc/sparc.h: Similarly.
6372 * vax/vax.c: Similarly.
6373 * vax/vax.h: Similarly.
6374 * vax/vms.h: Similarly.
6375 * we32k/we32k.c: Similarly.
6376 * we32k/we32k.h: Similarly.
6378 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
6380 * basic-block.h (first_insn_after_basic_block_note): Declare.
6381 * flow.c (first_insn_after_basic_block_note): Define. Moved
6383 * ssa.c (first_insn_after_basic_block_note): Remove.
6384 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
6386 (ssa_eliminate_dead_code): Properly update the CFG and PHI
6387 nodes when we find a dead conditional branch. Insert BARRIERs
6388 after any blocks with no successors, but which do not have
6391 2001-07-06 Zack Weinberg <zackw@stanford.edu>
6393 * varray.c (varray_check_failed): Use internal_error.
6395 2001-07-05 Andrew Haley <aph@redhat.com>
6397 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
6398 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
6399 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
6401 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
6403 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
6404 reference if the target constant is also a SYMBOL_REF.
6406 2001-07-05 Eric Christopher <echristo@redhat.com>
6408 * config/mips/mips.h (MASK_MIPS3900): Remove.
6409 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
6410 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
6411 (TARGET_MIPS3900): Change to use mips_arch.
6412 (TARGET_MIPS4000): New.
6413 (TARGET_MIPS4100): New.
6414 (TARGET_MIPS4300): New.
6415 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
6416 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
6418 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
6419 (ISA_HAS_BRANCHLIKELY): To here.
6420 (CC1_CPU_SPEC): New.
6421 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
6422 (mips_arch_string): Declare.
6423 (mips_arch): Declare.
6424 (TARGET_OPTIONS): Add -march and -mtune.
6426 * config/mips/mips.c (mips_arch_string): New.
6428 (override_options): Handle -march for codegen and -mtune
6429 for scheduling. Use mips_arch. Move tx39 target default here.
6430 (mips_parse_cpu): Move error message to override_options.
6432 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
6434 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
6436 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
6437 (MIPS Options): Ditto. Change mcpu entry to historical text.
6439 2001-07-05 H.J. Lu (hjl@gnu.org)
6441 * config/mips/mips.c (mips_parse_cpu): New function to parse
6444 2001-07-05 Jim Wilson <wilson@redhat.com>
6446 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
6447 * config/ia64/t-ia64: Likewise.
6448 (LIB1ASMFUNCS): Update comment.
6450 2001-07-05 David Edelsohn <edelsohn@gnu.org>
6452 * doc/install.texi (Install GCC: Binaries): Fix typo.
6454 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6456 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
6457 reference using the stack pointer, adjust it since we push Y
6459 ("*ashrsi3"): Likewise.
6460 ("*lshrsi3"): Likewise.
6462 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6464 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
6465 when -fomit-frame-pointer is used.
6467 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
6469 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
6470 (try_redirect_by_replacing_jump): Reverse updating properly the
6471 count and frequency information. Reverse removing cc0 setter.
6472 (forwarder_block_p): Reverse fixing for fallthru blocks.
6474 2001-07-05 DJ Delorie <dj@redhat.com>
6476 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
6477 (translate_options): If the above is defined, use it to map
6478 given options to new options.
6479 * doc/tm.texi: Document it.
6481 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
6482 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6484 * doc/invoke.texi (Optimize Options): Document that -fgcse may
6485 cause programs using computed gotos to run more slowly.
6487 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6489 * doc/install.texi (Specific): Markup, spelling and typo fixes.
6491 Consistently require binutils 2.11.2, not prereleases.
6492 (Specific, decstation-*): Canonicalize as mips-dec-*.
6493 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
6495 (Specific, m68k-altos): Removed reference to README.altos, deleted.
6496 (Specific, mips-*): Reword MIPS C compiler requirements.
6497 (Specific, powerpc*-*-*): New, mention --with-cpu once.
6498 (Specific, sunv5): Removed, obsolete.
6500 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
6502 * dwarf2out.c (output_loc_list): Use an all ones mask for
6503 .text asm output and don't rely on long long
6504 literals. Reformat some long lines.
6506 2001-07-05 Andreas Jaeger <aj@suse.de>
6508 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
6511 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
6513 * dwarf2out.c (dwarf2out_define): Update comment.
6514 (dwarf2out_undef): Ditto.
6515 (dwarf2out_start_source_file): Ditto.
6516 (dwarf2out_end_source_file): Ditto.
6517 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
6518 since we never call the start/end debug hook for the primary file.
6520 2001-07-04 Kazu Hirata <kazu@hxi.com>
6522 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
6525 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
6527 * cppinit.c (remove_dup_dirs): Inform if a system include
6528 directory is being reordered.
6529 * doc/invoke.texi (Directory Options): GCC warns if you hide a
6531 * doc/cpp.texi (Search Paths): Likewise.
6532 * doc/gcc.texi (Interoperation): Remove information about
6535 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
6537 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
6538 (VARRAY_TOP_CHAR_PTR): Likewise.
6540 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6542 * gcc.c (process_command): Don't assign elements of a const char*.
6544 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6546 * emit-rtl.c (change_address): Don't abort if invalid address while
6547 reload is in progress.
6549 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
6551 * c-lex.c (cb_file_change): Pass line number to
6552 debug_start_source_file.
6553 (cb_undefine): Pass correct line number to debug_undef.
6555 * toplev.c (debug_start_source_file): Add line number to
6556 parameters. Pass it along to dwarf2out_start_source_file.
6557 (decode_g_option): Stop resetting debug level back to normal when
6558 we change debug formats, unless the current level is
6559 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
6562 * toplev.h (debug_start_source_file): Add line number to
6565 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
6568 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
6570 Output debug_macinfo data for starting file if requested.
6571 (dwarf2out_end_source_file): Output debug_macinfo data for ending
6573 (dwarf2out_define): Output debug_macinfo data for defining a macro
6575 (dwarf2out_undef): Output debug_macinfo data for undefining a
6577 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
6578 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
6579 (macinfo_section_label): New. DWARF2 macro info section label.
6580 (dwarf2out_init): If we want macro info, output the start label
6582 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
6583 attribute to the compilation unit die pointing to the macro info.
6585 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
6587 * dwarf2out.c (new_loc_list): Move to inside #ifdef
6588 DWARF2_DEBUGGING_INFO.
6589 (add_loc_descr_to_loc_list): Ditto.
6590 (output_loc_list): Ditto.
6591 Also, fix thinko in curr not being initialized.
6592 (gen_internal_sym): Ditto.
6594 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6596 * emit-rtl.c (replace_equiv_address): New function.
6597 * expr.h (replace_equiv_address): New declaration.
6598 * explow.c (validize_mem): Call it instead of change_address and
6599 also call if -fforce-addr and address is constant.
6600 * expr.c: Replace more calls to change_address with adjust_address
6601 and/or replace_equiv_address or to validize_mem.
6602 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
6603 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
6604 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
6605 * config/i370/i370.md, config/i860/i860.md: Likewise.
6606 * config/i960/i960.md, config/mips/mips.c: Likewise.
6607 * config/mips/mips.md, config/pa/pa.md: Likewise.
6608 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
6609 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
6611 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6613 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
6615 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
6618 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
6620 * doc/include: New directory.
6621 * doc/fdl.texi: Move to doc/include/fdl.texi.
6622 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
6623 * doc/include/funding.texi, doc/include/gpl.texi: New files.
6624 * doc/gcc.texi: Use funding.texi and gpl.texi.
6625 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
6626 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
6627 Update dependencies and use -I $(docdir)/include.
6629 2001-07-04 Anthony Green <green@redhat.com>
6631 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
6633 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6635 * doc/install.texi (sparc64-*-*): Remove garbage.
6637 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
6639 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
6640 Fix typo in last change to use adjust_address.
6642 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6644 * doc/install.texi (Specific): Update information for *-*-solaris*.
6646 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6648 * explow.c (plus_constant_wide): Reinitialize Y for restart.
6650 2001-07-03 Stan Shebs <shebs@apple.com>
6652 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
6653 case for flag_no_mach_text_sections.
6654 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
6655 * config/darwin.c (flag_no_mach_text_sections): Remove.
6656 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
6658 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6660 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
6661 and avoid checking for constant as first operand.
6662 * recog.c (find_constant_term_loc): No longer static.
6663 (adj_offettable_operand): Delete.
6664 * rtl.h (adj_offsettable_operand): Delete declaration.
6665 (find_constant_term): Add declaration.
6666 * caller-save.c: Replace calls to adj_offsettable_operand with calls
6668 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
6669 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
6670 * config/i386/i386.c, config/i386/i386.md: Likewise.
6671 * config/i860/i860.c, config/i960/i960.c: Likewise.
6672 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
6673 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
6674 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
6675 * config/mips/mips.c, config/mips/mips.md: Likewise.
6676 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
6677 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
6678 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
6679 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
6680 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
6681 * config/ns32k/ns32k.md: Likewise.
6683 2001-07-03 Zack Weinberg <zackw@stanford.edu>
6685 * rtl.c (copy_rtx): Handle 'T' format letter.
6686 * gensupport.c (collect_insn_data): Likewise.
6687 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
6689 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
6691 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
6692 -B option. Use 'dir' not 'foo' as example directory name.
6694 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6696 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
6697 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
6699 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
6701 * doc/cppinternals.texi: Improve formatting and logical markup.
6703 2001-07-03 Andreas Jaeger <aj@suse.de>
6705 * Makefile.in (insn-recog.o): Add dependency on reload.h.
6707 * genrecog.c (write_header): Include reload.h for prototypes in
6710 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
6713 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
6714 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
6715 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
6716 i386_pe_valid_type_attribute_p): Add.
6717 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
6718 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
6720 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6722 * explow.c (plus_constant_wide, case LO_SUM): New case.
6723 (plus_constant_for_output_wide): Delete.
6724 * rtl.h (plus_constant_for_output): Delete.
6725 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
6726 instead of plus_constant_for_output.
6727 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
6728 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
6729 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
6730 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
6731 * config/sparc/sparc.md: Likewise.
6732 Convert some change_address calls to adjust_address.
6734 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
6736 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
6737 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
6738 documentation of -std and -Wwrite-strings.
6740 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
6742 * cse.c (canon_hash): Don't register registers in very small
6743 register classes, as extending their lifetime might cause
6746 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6748 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
6750 * flow.c (forwarder_block_p): Fix for fallthru blocks.
6751 (try_redirect_by_replacing_jump): Update properly the count
6752 and frequency information.
6754 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
6756 * toplev.c (dump_file_index): Move SSA dumps just after first
6758 (dump_file): Corresponding changes.
6759 (rest_of_compilation): Move SSA path to just after the first
6761 * doc/gcc.texi (Passes): Update due to movement of SSA path.
6762 * doc/invoke.texi: Update dump file #s as they were completely
6763 out of date with reality.
6765 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
6767 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
6769 * expr.c (emit_move_insn_1): Deal with non-default
6772 * expr.c (emit_single_push_insn): Fix warning.
6774 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6776 * expr.c (emit_move_insn_1): Avoid modifying
6777 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
6779 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6781 * emit-rtl.c (adjust_address): New function.
6782 * expr.h (adjust_address): Add declaration.
6783 * builtins.c: Replace some calls to change_address with calls to it
6785 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
6786 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
6787 * config/arm/arm.c, config/convex/convex.c: Likewise.
6788 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
6789 * config/i386/i386.c, config/i386/i386.md: Likewise.
6790 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
6791 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
6792 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
6793 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
6794 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
6796 2001-07-02 Jim Wilson <wilson@redhat.com>
6798 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
6800 2001-07-02 Steve Ellcey <sje@cup.hp.com>
6802 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
6803 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
6805 2001-07-02 Zack Weinberg <zackw@stanford.edu>
6807 * cppinit.c (lang_defaults): New table.
6808 (set_lang): Just read from lang_defaults into the live options
6811 2001-07-02 Zack Weinberg <zackw@stanford.edu>
6813 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
6814 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
6815 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
6817 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6819 * doc/install.texi: Various spelling and markup fixes.
6820 (Installing GCC): Component specific installation instructions are
6823 Warn about removing old install dir in the presence of shared libs.
6824 (Configuration): Invoke with options target to match configure
6826 Consistently refer to gas, gld pathnames.
6827 Invert --enable-multilib documentation.
6828 Remove references to old compiler versions.
6830 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6832 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
6834 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6836 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
6838 (Specific, mips*-sgi-irix5): Note IDO download.
6839 Reworded MIPS C hints.
6840 Use GNU as instead of GAS.
6842 Removed SGI Freeware reference, IRIX 6 only.
6843 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
6844 Note N64 library requirement/workaround.
6846 Complete list of structure passing bug victims.
6848 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6850 * doc/install.texi: Remove CVS Id.
6852 2001-07-02 Andreas Jaeger <aj@suse.de>
6854 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
6855 (find_inherently_necessary): Remove unused variable.
6857 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
6859 * c-common.h (TDI_inlined): New ast dump phase.
6860 (dump_flag_name): New function.
6861 * c-dump.c (dump_files): Add inlined phase.
6862 (dump_flag_name): Define.
6863 * doc/invoke.texi (-fdump-ast-inlined): Document.
6865 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6867 * stor-layout.c (layout_decl): Revert change to handling of alignment
6870 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6872 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
6875 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
6877 * doc/tm.texi (FUNCTION_ARG): Document that the last call
6880 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
6882 * tlink.c (recompile_files): Remove COMPILER_PATH and
6883 LIBRARY_PATH from the environment.
6885 2001-07-01 Zack Weinberg <zackw@stanford.edu>
6887 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
6888 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
6890 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
6892 * c-parse.in (OBJC_STRING): Kill.
6893 (objc_string): Decompose to [objc_string] '@' STRING.
6894 (reswords): Take the leading '@' off all the Objective C keywords.
6895 (objc_rid_sans_at): Kill.
6896 (init_reswords): Don't initialize it.
6897 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
6898 (_yylex): Kill reconsider label. Look ahead one token after
6899 an '@'; if we get an identifier, check whether it's an
6900 Objective C @-keyword. If so, return the keyword. Otherwise,
6901 put back the token and return the '@' as a terminal.
6903 * cpplib.c (lex_macro_node): Remove unnecessary check for
6904 leading '@' on identifier. Clarify control flow and commentary.
6906 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6908 * cse.c (new_label_ref): Variable deleted.
6909 (insert): Remove set of new_label_ref.
6910 (check_for_label_ref): New function.
6911 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
6913 See ChangeLog.5 for earlier changes.