1 2001-09-04 David S. Miller <davem@redhat.com>
3 * config/sparc/sparc.md (define_splits): Kill constraints.
5 Cleanup redundant and unused insn attributes.
6 * config/sparc/sparc.md (define_attr "insn"): Kill address, unary,
7 binary, and move. Mark ialu as default.
8 (commented out define_function_unit "alu"): Kill.
9 (define_attr "use_clobbered"): Kill.
10 (whole file): Kill address insn type references. Replace
11 all unary/binary/move references with ialu.
12 * config/sparc/sparc.c (whole file): Kill TYPE_ADDRESS
13 references. Replace TYPE_{UNARY,BINARY,MOVE} references with
16 2001-09-03 Jakub Jelinek <jakub@redhat.com>
18 * loop.c (express_from_1): Fix CONSTANT_P(a) case.
20 2001-09-03 Richard Henderson <rth@redhat.com>
22 * function.h (struct function): Add arg_pointer_save_area_init.
23 * function.c (expand_function_end): Init arg_pointer_save_area.
24 (get_arg_pointer_save_area): Do not init arg_pointer_save_area
25 when called from a nested function.
27 2001-09-02 Angela Marie Thomas <angela@cygnus.com>
29 * fixinc/Makefile.in: Regenerate fixincl.x only if maintainer-mode
32 Sun Sep 2 18:37:54 CEST 2001 Jan Hubicka <jh@suse.cz>
34 * reload1.c (fixup_abnormal_edges): Allow NOTEs in the sequence.
36 2001-09-01 Geoffrey Keating <geoffk@redhat.com>
38 * expr.c (push_block): Make sane use of STACK_GROWS_DOWNWARD.
39 (emit_push_insn): Use specified padding direction when
40 STACK_PUSH_CODE is POST_INC.
42 * config/stormy16/stormy16.h (DWARF2_UNWIND_INFO): Define to 0.
44 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
46 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
48 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
50 * cppinit.c (cpp_start_read): Free the imacros list as we
51 traverse it. Don't free the chains before returning.
52 (_cpp_push_next_buffer): Only try pushing buffers if we've
53 completed -imacros handling.
55 2001-08-31 Eric Christopher <echristo@redhat.com>
57 * gcc.c (handle_braces): Add explaination for abort.
59 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
61 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
62 move adjustment of bitpos instead.
64 2001-08-31 Zack Weinberg <zack@codesourcery.com>
66 * function.c: Remove all_functions. Make outer_function_chain
68 (init_function_start): Don't add new function structure to
70 (find_function_data, push_function_context_to,
71 pop_function_context_from, put_var_into_stack,
72 trampoline_address): Update for changed structure element names.
73 (push_function_context_to): Disentangle.
74 (free_after_compilation): Also free F.
75 (expand_dummy_function_end): Don't free cfun here.
76 (put_var_into_stack): Comment why we can't use find_function_data here.
77 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
78 (mark_function_chain): Split into maybe_mark_struct_function and
79 ggc_mark_struct_function. Export the latter.
80 (init_function_once): Mark from cfun and outer_function_chain;
83 * function.h (struct function): Kill next_global. Rename next
84 to outer. All users updated to match.
85 (all_functions, outer_function_chain): Don't declare.
87 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
88 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
89 don't touch f->inlinable, after calling rest_of_compilation.
91 * tree.h: Forward-declare struct function. Prototype
92 ggc_mark_struct_function.
94 2001-08-31 Kazu Hirata <kazu@hxi.com>
96 * config/h8300/h8300.md (*andorhi3): Fix typos.
98 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
100 * calls.c (emit_library_call_value): Don't use a fixed
101 argument after VA_CLOSE, i.e. out of scope in traditional C.
103 * emit-rtl.c (gen_rtvec): Likewise.
105 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
107 * Makefile.in (c-pragma.o): Depend on output.h.
108 (reorg.o): Depend on except.h.
110 * c-pragma.c: Include output.h.
112 * reorg.c: Include except.h.
114 * unwind-dw2.c: Call __builtin_alloca, not alloca.
116 2001-08-31 Richard Henderson <rth@redhat.com>
118 * sched-deps.c (add_dependence): Don't elide dependancy if the
119 conditional used by insn is modified in elem.
121 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
123 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
125 2001-08-31 Diego Novillo <dnovillo@redhat.com>
127 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
130 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
132 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
134 (stormy16_asm_out_constructor): New function.
135 (TARGET_ASM_CONSTRUCTOR): Define.
136 (TARGET_ASM_DESTRUCTOR): Define.
138 2001-08-31 Andreas Jaeger <aj@suse.de>
140 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
141 * loop.c (add_label_notes): Likewise.
142 * reload.c (find_reloads): Likewise.
143 * config/sh/sh.c (machine_dependent_reorg): Likewise.
145 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
147 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
148 code here. Take _Unwind_{W,Sw}ord*.
149 (read_encoded_value_with_base): Use them.
150 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
152 (extract_cie_info): Simplify read_?leb128 handling.
153 (execute_stack_op, execute_cfa_program): Likewise.
154 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
156 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
158 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
159 the frame pointer to pop the stack if convenient.
161 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
162 Don't use post-increment before combine.
163 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
164 a call-saved register.
166 2001-08-31 Andreas Jaeger <aj@suse.de>
168 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
171 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
173 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
174 not DIV/MOD, of course.
176 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
178 * rtl.def: Undo my patch commited 2001-08-27.
180 * genattrtab.c: Ditto.
184 * sched-int.h: Ditto.
186 * target-def.h: Ditto.
190 * haifa-sched.c: Ditto.
192 * sched-rgn.c: Ditto.
194 * sched-vis.c: Ditto.
196 * Makefile.in: Ditto.
198 * doc/md.texi: Ditto.
200 * doc/tm.texi: Ditto.
202 * doc/contrib.texi: Ditto.
204 * doc/gcc.texi: Ditto.
206 * genattrtab.h: Remove it.
208 * genautomata.c: Remove it.
210 * genattr.c: Undo my patch and Richard Henderson's patch commited
213 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
215 * config.gcc (h8300-*-elf*): New case.
216 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
217 (SUBTARGET_CPP_SPEC): Define.
218 (EXTRA_SPECS): Define.
219 (SUBTARGET_EXTRA_SPECS): Define.
220 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
221 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
223 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
225 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
226 (LIB2FUNCS_EXTRA): Define.
227 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
228 config/h8300/fixunssfsi.c: New file.
230 2001-08-30 Kazu Hirata <kazu@hxi.com>
232 * config/h8300/h8300.md (zero_extendqihi2): Changes to
233 define_expand to accomodate target-specific attributes.
234 (anonymous zero_extendqihi2 patterns): New.
236 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
238 * h8300.md (*andorhi3): New pattern.
240 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
242 * h8300.c (dosize): Fix test for "sub".
244 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
246 * c-typeck.c (pointer_diff): Try to eliminate common term before
249 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
251 * config/arm/arm.c (arm_compute_initial_elimination_offset):
252 Account for the saves of the FP registers.
254 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
255 (TEXT_SECTION_ASM_OP): Define.
256 (INIT_SECTION_ASM_OP): Define.
257 (FINI_SECTION_ASM_OP): Define.
258 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
259 (RDATA_SECTION_FUNCITON): Provide prototype.
261 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
263 * reload1.c (move2add_note_store): Correct typo checking for
266 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
268 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
269 note should not be considered outside the libcall block.
271 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
273 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
275 2001-08-29 Kazu Hirata <kazu@hxi.com>
277 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
279 2001-08-29 Kazu Hirata <kazu@hxi.com>
281 * config/h8300/h8300-protos.h: Add a prototype for
283 * config/h8300/h8300.c (emit_logical_op): New.
284 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
291 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
293 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
294 comparison with rtx INTVAL.
295 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
297 * pa.h (FUNCTION_ARG_SIZE): Likewise.
299 2001-08-29 Kazu Hirata <kazu@hxi.com>
301 * config/h8300/lib1funcs.asm: Update the copyright. Fix
304 2001-08-29 Kazu Hirata <kazu@hxi.com>
306 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
307 (reg n) to (mem (pre_dec (reg n))
308 (anonymous movsi pattern): Likewise.
310 2001-08-29 Kazu Hirata <kazu@hxi.com>
312 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
314 2001-08-29 Kazu Hirata <kazu@hxi.com>
316 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
317 several special constants.
319 2001-08-29 Kazu Hirata <kazu@hxi.com>
321 * config/h8300/lib1funcs.asm: Fix comment typos.
323 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
325 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
326 Fix format specifier warnings.
328 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
329 inet_makeaddr, semctl): Prototype.
331 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
332 (save_restore_insns): Use base_offset, not gp_offset.
334 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
335 (ASM_OUTPUT_BYTE): Fix format specifier warning.
337 2001-08-29 Richard Henderson <rth@redhat.com>
339 * bb-reorder.c (function_tail_eff_head): New.
340 (record_effective_endpoints): Set it.
341 (fixup_reorder_chain): Use it.
343 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
345 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
347 2001-08-28 Dale Johannesen <dalej@apple.com>
349 * config/darwin.c (machopic_function_base_name): Add const
350 qualifier to a string.
351 (darwin_encode_section_info): Ditto.
353 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
355 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
358 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
360 * df.h (struct df): Add rts_order variable.
362 * df.c (df_visit_next_rts): New function.
363 (df_visit_next): Renamed to df_visit_next_rc
364 (df_analyse_1): Allocate/compute/free rts_order as well.
365 (df_rd_global_compute): Use df_visit_next_rc instead of
367 (df_ru_global_compute): Use df_visit_next_rts instead of
370 * flow.c (flow_reverse_top_sort_order_compute): New function.
372 * basic-block.h: Add prototype.
374 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
376 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
377 blocks, the BB_REACHABLE is now set, rather than aux being
378 non-NULL. Update the test to reflect this.
380 2001-08-28 Eric Christopher <echristo@redhat.com>
382 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
383 config/mips/crti.asm: Ditto.
385 2001-08-28 Eric Christopher <echristo@redhat.com>
386 Richard Henderson <rth@redhat.com>
388 * c-pragma.h (add_weak): Move prototype from here...
389 * output.h (add_weak): ... to here.
390 * varasm.c (add_weak): Fix typo.
391 * config/mips/crti.asm: New file.
392 * config/mips/crtn.asm: Ditto.
393 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
394 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
395 (INVOKE__main): Ditto.
396 (INIT_SECTION_ASM_OP): New.
397 (FINI_SECTION_ASM_OP): Ditto.
398 (STARTFILE_SPEC): Add crti.
399 (ENDFILE_SPEC): Add crtn.
400 * config/mips/elf64.h: Same.
401 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
403 * config/mips/vxworks.h: Ditto.
404 * config/mips/t-elf: Support crti and crtn.
406 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
408 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
411 2001-08-28 Richard Henderson <rth@redhat.com>
413 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
414 (one_cmplbi2 splitter): Remove redundant test.
416 2001-08-28 Dale Johannesen <dalej@apple.com>
418 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
420 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
422 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
424 2001-08-28 Stan Shebs <shebs@apple.com>
426 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
427 (UNALIGNED_SHORT_ASM_OP): Define.
428 (UNALIGNED_INT_ASM_OP): Define.
430 2001-08-28 Will Cohen <wcohen@redhat.com>
432 * config/rs6000/rs6000.md (store_multiple): Correct RTL
433 generation for first set.
435 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
437 * flow.c (redirect_edge_succ_nodup): Return new edge.
438 (try_simplify_condjump): Use new edge.
439 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
441 * cse.c (cse_basic_block): Skip note instructions.
443 2001-08-27 Richard Henderson <rth@redhat.com>
445 * combine.c (combine_simplify_rtx): Don't reverse condition
446 if there is no reverse for the condition.
447 (simplify_comparison): Don't simplify subregs from INT to FP.
449 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
450 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
451 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
452 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
453 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
454 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
456 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
458 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
459 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
461 (adddi_dilshr32, adddi_dishl32): Only data register can be
462 source for mem destination.
464 * expmed.c (store_bit_field): Ignore adjustment to bitpos
465 and use bitnum to decide about register move.
467 2001-08-27 Richard Henderson <rth@redhat.com>
469 * genattr.c (main): Emit state_t even when not doing scheduling.
471 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
472 Richard Henderson <rth@redhat.com>
474 * gcse.c (reg_first_set, reg_last_set): Replace with ...
475 (reg_avail_info, current_bb): ... these.
476 (oprs_unchanged_p, record_last_reg_set_info): Use them.
477 (compute_hash_table): Likewise.
479 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
481 * flow.c (verify_flow_info): Use checksums to verify edges.
483 2001-08-27 Richard Henderson <rth@redhat.com>
485 * genautomata.c (expand_automata): Always create a description.
487 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
489 * optabs.c (expand_binop): Correctly handle the carry in multiword
490 add/subtract operations.
492 2001-08-27 Fred Fish <fnf@be.com>
494 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
497 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
499 * reload.c (find_reloads_toplev): Back out this change:
501 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
503 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
504 mem if the address is a mode_dependent_address_p.
506 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
508 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
509 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
510 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
513 * genattr.c (main): New variable num_insn_reservations. Increase
514 it if there is DEFINE_INSN_RESERVATION. Output automaton based
515 pipeline hazard recognizer interface.
517 * genattrtab.h: New file.
519 * genattrtab.c: Include genattrtab.h.
520 (attr_printf, check_attr_test, make_internal_attr,
521 make_numeric_value): Move protypes into genattrtab.h. Define them
523 (num_dfa_decls): New global variable.
524 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
525 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
526 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
527 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
529 * genautomata.c: New file.
531 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
533 * sched-int.h: (curr_state): Add the external definition for
534 automaton pipeline interface.
535 (haifa_insn_data): Add comments for members blockage and units.
537 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
538 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
539 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
540 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
541 TARGET_SCHED_DFA_POST_CYCLE_INSN,
542 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
543 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
545 (TARGET_SCHED): Use the new macros.
547 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
548 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
549 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
550 dfa_bubble): New members in gcc_target.sched.
552 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
553 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
554 (insn_queue): Redefine it as pointer to array.
555 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
557 (max_insn_queue_index_macro_value): New variable.
558 (curr_state, dfa_state_size, ready_try): New varaibles for
560 (ready_element, ready_remove, max_issue): New function prototypes
561 for automaton interface.
562 (choose_ready): New function prototype.
563 (insn_unit, blockage_range): Add comments.
564 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
565 FUNCTION_UNITS_SIZE == 0.
566 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
567 actual_hazard, potential_hazard): Add comments.
568 (insn_cost): Use cost -1 as undefined value. Remove
569 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
571 (ready_element, ready_remove): New functions for automaton
573 (schedule_insn): Add new code for automaton pipeline interface.
574 (queue_to_ready): Add new code for automaton pipeline interface.
575 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
576 (debug_ready_list): Print newline when the queue is empty.
577 (max_issue): New function for automaton pipeline interface.
578 (choose_ready): New function.
579 (schedule_block): Add new code for automaton pipeline interface.
580 Print ready list before scheduling each insn.
581 (sched_init): Add new code for automaton pipeline interface.
582 Initiate insn cost by -1.
583 (sched_finish): Free the current automaton state and finalize
584 automaton pipeline interface.
586 * sched-rgn.c: Include target.h.
587 (init_ready_list, new_ready, debug_dependencies): Add new code for
588 automaton pipeline interface.
590 * sched-vis.c: Include target.h.
591 (get_visual_tbl_length): Add code for automaton interface.
592 (target_units, print_block_visualization): Add comments.
594 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
595 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
596 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
597 (getruntime.o, genautomata.o): New entries.
598 (genattrtab.o): Add new dependency file genattrtab.h.
599 (genattrtab): Add new dependencies. Link it with `libm.a'.
600 (getruntime.o, hashtab.o): New entries for canadian cross.
602 * doc/md.texi: Description of automaton based model.
604 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
606 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
607 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
608 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
609 TARGET_SCHED_DFA_POST_CYCLE_INSN,
610 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
611 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
612 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
614 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
615 MAX_DFA_ISSUE_RATE): New macro descriptions.
617 * doc/contrib.texi: Add dfa based scheduler contribution.
619 * doc/gcc.texi: Add more information about genattrtab.
621 2001-08-27 Diego Novillo <dnovillo@redhat.com>
623 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
626 2001-08-27 Richard Henderson <rth@redhat.com>
628 * function.c (expand_function_end): Don't init arg_pointer_save_area.
629 (get_arg_pointer_save_area): New. Create an init it here.
630 (fix_lexical_addr): Use it.
631 * function.h: Declare it.
632 * builtins.c (expand_builtin_setjmp_receiver): Use it.
633 * stmt.c (expand_nl_goto_receiver): Use it.
635 2001-08-27 Richard Henderson <rth@redhat.com>
637 * final.c (final_scan_insn): Don't enter APP_ON mode for
640 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
641 alignment for assemble_integer for DW_EH_PE_aligned.
642 * except.c (output_function_exception_table): Likewise.
644 2001-08-26 Andreas Jaeger <aj@suse.de>
646 * c-tree.h: Add prototyp for c_sizeof_nowarn.
648 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
650 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
652 2001-08-27 Alan Modra <amodra@bigpond.net.au>
654 * config/rs6000/rs6000.c (mask_operand): Rewrite without
656 (mask64_operand): Likewise.
657 (rldic_operand): Delete.
658 (includes_lshift64_p): Delete.
659 (includes_rldic_lshift_p): New function.
660 (includes_rldicr_lshift_p): New function.
661 (print_operand): Don't call rldic_operand in case 'W'.
662 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
663 (includes_lshift64_p): Remove.
664 (includes_rldic_lshift_p): Declare.
665 (includes_rldicr_lshift_p): Declare.
666 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
667 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
668 Replace match_operand rldic_operand predicate with
669 const_int_operand. Replace includes_lshift64_p condition with
670 includes_rldic_lshift_p.
671 <ashldi3_internal 64 bit rldicr patterns>: New.
673 2001-08-27 Andreas Jaeger <aj@suse.de>
675 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
676 * errors.c: Likewise.
678 * dwarf2asm.c: Likewise.
679 * doprint.c (checkit): Likewise.
680 * diagnostic.c: Likewise.
681 * collect2.c: Likewise.
683 * c-semantics.c (build_stmt): Likewise.
684 * c-format.c (status_warning): Likewise.
685 * c-errors.c (pedwarn_c99): Likewise.
686 * builtins.c (validate_arglist): Likewise.
687 * config/pj/pj.c (pj_printf): Likewise.
688 * fix-header.c: Likewise.
690 * gcov.c (fnotice): Likewise.
691 * gensupport.c (message_with_line): Likewise.
692 * mips-tfile.c: Likewise.
693 * protoize.c (notice): Likewise.
694 * read-rtl.c (fatal_with_file_and_line): Likewise.
695 * rtl-error.c: Likewise.
696 * tradcpp.c: Likewise.
698 * cp/tree.c (build_min_nt): Likewise.
699 (build_min): Likewise.
700 * cp/lex.c: Likewise.
701 * cp/errfn.c: Likewise.
702 * cp/rtti.c (create_pseudo_type_info): Likewise.
704 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
706 * df.c (df_uses_record): Return after recording all uses
709 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
711 * df.c (df_insn_modify): Realloc the INSN table here, if
712 necessary, here, too.
714 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
716 * config/mips/mips.c (mips_function_value): Handle complex return
719 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
721 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
723 * reload.c (make_memloc): Copy result if it is still
724 reg_equiv_memory_loc[regno] on return.
725 (subst_reloads) [ENABLE_CHECKING]: Check that none of
726 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
727 reg_equiv_mem are modified by the substitutions.
729 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
731 * predict.c (expensive_function_p): New.
732 * rtl.h (expensive_function_p): Declare.
733 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
734 (use_fast_prologue_epilogue): New static variable.
735 (expand_prologue): Set it; emit short prologues if unset.
736 (expand_epilogue): Likewise.
738 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
740 * config.gcc: Add stormy16-*-elf case.
741 * config/stormy16/stormy-abi: New file.
742 * config/stormy16/stormy16-lib2.c: New file.
743 * config/stormy16/stormy16-protos.h: New file.
744 * config/stormy16/stormy16.c: New file.
745 * config/stormy16/stormy16.h: New file.
746 * config/stormy16/stormy16.md: New file.
747 * config/stormy16/t-stormy16: New file.
749 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
751 * i386.h (no-accumulate-outgoing-args): Use proper mask.
753 2001-08-24 David Edelsohn <edelsohn@gnu.org>
755 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
756 descriptor members are pointer size, not constant 4.
757 * config/rs6000/rs6000.md (define_splits): Remove more unused
760 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
762 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
764 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
766 * cp/rtti.c (VPARAMS): Fix parameter.
768 2001-08-24 Zack Weinberg <zackw@panix.com>
770 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
772 (mode_for_extraction): No need for #ifdefs. Add default-case abort
774 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
775 in if controlling use of insv.
776 (extract_bit_field): Likewise, for extv and extzv.
778 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
780 * i386.md (movcc peep2): Fix load of 0.
782 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
784 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
785 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
787 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
789 * c-pragma.h: Move weak_syms and weak_decls...
790 * varasm.c: ...here. Now static.
791 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
792 depend on HANDLE_PRAGMA_WEAK.
794 * c-common.c (c_alignof, c_alignof_expr): Move here...
795 * c-typeck.c: ...from here.
796 * c-tree.h, c-common.h: Adjust.
798 2001-08-23 Bernd Schmidt <bernds@redhat.com>
800 * config/ia64/ia64.c (rws_update): If !pred, set write_count
801 instead of incrementing it.
803 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
804 asm ready, don't try to move them all into the same array element.
806 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
808 * function.c (thread_prologue_and_epilogue_insns): Avoid
809 fallthru flag on edge to exit.
811 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
813 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
816 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
818 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
819 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
820 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
823 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
825 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
826 replace "GNU CC" with "GCC".
828 2001-08-23 Richard Henderson <rth@redhat.com>
830 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
831 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
832 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
833 Need GR between FR and not GR_AND_FR.
834 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
835 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
836 AR regs before GR regs.
837 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
838 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
839 (REGISTER_MOVE_COST): Update.
840 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
842 2001-08-23 Richard Henderson <rth@redhat.com>
844 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
847 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
849 * reload1.c (emit_reload_insns): Don't look for notes
850 on a NULL store_insn.
852 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
854 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
855 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
856 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
857 format specifier warnings.
858 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
860 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
862 * config/i386/i386-protos.h: Correct declaration of
863 i386_pe_asm_named_section.
865 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
867 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
869 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
871 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
873 * cpperror.c (print_location): Don't show _Pragma.
874 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
875 and file change callback generation here.
876 (stack_include_file): Update use of cpp_push_buffer.
877 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
878 (struct cpp_buffer): Remove type, pfile members.
879 * cppinit.c (cpp_handle_option): Use free_chain.
880 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
881 (skip_escaped_newlines, get_effective_char, lex_percent): Take
882 a cpp_reader rather than a cpp_buffer.
883 (skip_escaped_newlines, get_effective_char, skip_block_comment,
884 skip_line_comment, parse_string, lex_percent, lex_dot,
885 _cpp_lex_token): Update accordingly.
886 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
888 (cpp_push_buffer): Update prototype.
889 (run_directive): Update use of cpp_push_buffer.
890 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
891 handle_assertion): Update use of run_directive.
892 * cpplib.h (enum cpp_buffer_type): Remove.
893 (cpp_push_buffer): Update prototype.
894 * fix-header.c (read_scan_file): Update.
896 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
898 * gcc.c (struct prefix_list): Change prefix to const char *.
900 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
902 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
904 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
906 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
909 * jump.c (squeeze_notes): Take parms by reference. Handle END being
912 * ifcvt.c (dead_or_predicable): Adjust.
913 * loop.c (find_and_verify_loops): Adjust.
914 * stmt.c (expand_end_case): Adjust.
915 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
916 head and end insn pointers in the basic block, not just local copies.
917 (merge_blocks_move_predecessor_nojumps): Likewise.
919 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
921 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
922 bitmap.h, builtin-types.def, builtins.c, builtins.def,
923 c-aux-info.c, c-common.c, c-common.def, c-common.h,
924 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
925 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
926 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
927 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
928 conditions.h, config.gcc, configure.frag, configure.in,
929 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
930 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
931 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
932 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
933 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
934 emit-rtl.c, errors.c, errors.h, except.c, except.h,
935 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
936 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
937 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
938 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
939 gencheck.c, gencodes.c, genconfig.c, genemit.c,
940 genextract.c, genflags.c, gengenrtl.c, genmultilib,
941 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
942 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
943 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
944 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
945 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
946 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
947 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
948 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
949 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
950 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
951 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
952 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
953 params.h, predict.c, predict.def, predict.h, prefix.c,
954 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
955 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
956 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
957 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
958 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
959 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
960 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
961 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
962 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
963 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
964 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
965 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
966 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
967 xcoffout.h: replace "GNU CC" with "GCC".
969 2001-08-21 Richard Henderson <rth@redhat.com>
971 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
972 (final_scan_insn): Consider jump tables data even if we have no
973 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
975 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
976 (ASM_OUTPUT_CASE_END): Remove.
977 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
978 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
979 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
981 2001-08-21 Richard Henderson <rth@redhat.com>
983 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
984 at barrier insns. Emit stop bits before barriers.
986 * flow.c (flow_find_cross_jump): Don't consider unconditional
987 return insns for commoning.
989 * final.c (compute_alignments): Fix typo.
991 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
992 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
993 (store_bit_field): Use mode_for_extraction more places.
994 (extract_bit_field): Likewise.
996 2001-08-21 Zack Weinberg <zackw@panix.com>
998 * caller-save.c: Don't include insn-codes.h.
999 (reg_save_code, reg_restore_code): Make arrays of int.
1000 All uses updated to match.
1001 (insert_save, insert_restore): No need to initialize "code"
1002 variable upon declaration.
1003 * Makefile.in: update dependencies; fix typo in clean rule.
1005 2001-08-21 Richard Henderson <rth@redhat.com>
1007 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
1008 (merge_if_block): Handle fallout from same.
1010 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1012 * builtins.c (type_to_class): Fix typo in last change.
1014 2001-08-21 Richard Henderson <rth@redhat.com>
1016 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
1017 ia64_asm_output_label.
1019 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
1020 copy of gp while the real gp register contains garbage.
1022 2001-08-21 Zack Weinberg <zackw@panix.com>
1024 * expmed.c (mode_for_extraction): New function.
1025 (store_bit_field, extract_bit_field): Use it.
1026 * expr.h: Prototype it and provide an enum for its first argument.
1028 * combine.c, function.c, recog.c: Don't include insn-codes.h.
1029 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
1030 and digging through the insn_data tables.
1031 * Makefile.in: Update dependencies.
1033 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
1035 * cppfiles.c (stack_include_file): line-map.c now handles include
1037 (handle_missing_handler): Similarly.
1038 (_cpp_execute_include): Similarly.
1039 (_cpp_pop_file_buffer): Similarly.
1040 * cpphash.h (struct cpp_reader): Remove system_include_depth,
1041 buffer_stack_depth and include_depth.
1042 * cpplib.c (do_include_common): line-map.c now handles include depth.
1043 (cpp_push_buffer): Similarly.
1044 (_cpp_pop_buffer): Similarly.
1045 * cppmacro.c (builtin_macro): Update.
1046 * line-map.c (init_line_maps): Set depth.
1047 (add_line_map): Increment "used" earlier. Update and use the
1049 (trace_include): Use the include depth.
1050 * line-map.h (struct line_maps): New member depth.
1052 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
1054 * cppfiles.c (stack_include_file): Don't handle -H here.
1055 * cppinit.c (cpp_start_read): Set include tracing after
1056 cpp_post_options and after stacking the main file.
1057 * line-map.c (trace_include): New.
1058 (init_line_maps, add_line_map): Update.
1059 * line-map.h (struct line_maps): New member trace_includes.
1061 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
1063 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
1064 * cppfiles.c (stack_include_file): Only stack a file if there
1065 is something to do. Return a boolean indicating whether a
1066 buffer was stacked or not.
1067 (_cpp_execute_include): Similarly.
1068 (_cpp_read_file): Similarly.
1069 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
1071 2001-08-21 Sam Steingold <sds@gnu.org>
1073 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
1074 (RECACHE): keep obufp_before_macroname up to date
1076 2001-08-21 Zack Weinberg <zackw@panix.com>
1078 * stmt.c: Don't include insn-codes.h.
1079 (expand_end_case): Machine specific logic moved to expr.c.
1080 No need to worry about __builtin_classify_type.
1081 (check_for_full_enumeration_handling, emit_case_nodes):
1084 * builtins.o (expand_builtin_classify_type): Split up so code
1085 can be shared with fold_builtin_classify_type.
1086 (type_to_class, fold_builtin_classify_type): New functions.
1087 (fold_builtins): Handle __builtin_classify_type.
1089 * expr.c (do_tablejump): Now static.
1090 (case_values_threshold, try_casesi, try_tablejump): New;
1091 code mostly from stmt.c (expand_end_case).
1092 (expr.h): Update prototypes.
1094 * Makefile.in (stmt.o): Update dependencies.
1096 2001-08-21 Will Cohen <wcohen@redhat.com>
1098 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
1099 declaration of variable i.
1100 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
1101 declaration of variable i.
1103 2001-08-21 Richard Henderson <rth@redhat.com>
1105 * crtstuff.c: Fix thinko last change. Move list tails to start
1106 of CRT_END section. Tidy ifdefs.
1107 (__EH_FRAME_BEGIN__): Always static for ELF.
1108 (__do_global_ctors_1): Rename from __frame_dummy.
1109 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
1110 name change; don't hide __EH_FRAME_BEGIN__.
1112 2001-08-21 Richard Henderson <rth@redhat.com>
1114 * gdbinit.in: Move break on exit after break on fancy_abort.
1116 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
1119 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
1121 * cpphash.h (_cpp_push_next_buffer): New.
1122 * cppinit.c (do_includes): Remove.
1123 (push_include, free_chain, _cpp_push_next_buffer): New.
1124 (cpp_start_read): Use them to rework command line option handling.
1125 (cpp_handle_option): Combine handling of -include and -imacros.
1126 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
1127 appropriate. Always insert missing \n at EOF.
1128 * cpplib.c (start_directive): Get the directive position right.
1129 * cppmain.c (cb_file_change): Always print the first line, unless
1132 2001-08-20 Andreas Jaeger <aj@suse.de>
1134 * profile.c (compute_branch_probabilities): Remove extra new-line
1136 * flow.c (verify_flow_info): Likewise.
1138 2001-08-20 Diego Novillo <dnovillo@redhat.com>
1140 * basic-block.h (basic_block): Add new field 'flags'.
1141 (BB_REACHABLE): Define.
1142 (expunge_block): Declare.
1143 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
1144 (EXIT_BLOCK_PTR): Ditto.
1145 (expunge_block): Remove static declaration.
1146 (cleanup_cfg): Clear bb->aux on every basic block.
1147 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
1148 computing reachability.
1149 (delete_unreachable_blocks): Delete block b if b->flags has
1152 2001-08-20 Diego Novillo <dnovillo@redhat.com>
1154 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
1156 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1158 * sparc.c (sparc_variable_issue): Fix typo in last change.
1160 2001-08-20 Richard Henderson <rth@redhat.com>
1162 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
1164 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
1166 * pa.h (RETURN_IN_MEMORY): Improve comment.
1168 2001-08-20 Janis Johnson <janis187@us.ibm.com>
1170 * doc/invoke.texi (Profiling options): Clarify the interactions
1171 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
1173 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
1175 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
1178 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1180 * gcc.c (make_relative_prefix): Allocate a sufficiently large
1183 2001-08-20 Richard Henderson <rth@redhat.com>
1185 * final.c (end_final): Fix typo last change.
1187 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
1189 * cppinit.c (init_standard_includes): The returned buffer
1190 is already malloc-ed.
1191 * gcc.c (add_prefix): Similarly.
1192 * prefix.c (translate_name): Update to support clear buffer
1194 (update_path): Similarly. Be sure to free any newly allocated
1195 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
1197 * prefix.h (update_path): Update prototype and document.
1198 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
1199 up and update to new buffer ownership rules.
1200 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
1202 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1204 * final.c (compute_alignments): New function.
1205 (init_insn_lengths): Do not care label_align.
1206 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
1207 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
1208 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
1209 (shorted_branches): Realloc label_align array; do
1210 not call init_insn_lengths; Do not care about loop alignments.
1211 * output.h (compute_alignments): Declare.
1212 * toplev.c (rest_of_compilation): Call compute_alignments.
1213 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
1215 * predict.c (block_info_def): Add npredecesors, remove nvisited;
1216 change visited to tovisit.
1217 (propagate_freq): Use faster traversing algorithm.
1218 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
1219 to tovisit; reverse meaning.
1221 * predict.c (struct block_info_def): Remove nvisited.
1222 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
1223 (estimate_bb_frequencies): Call mark_dfs_back_edges.
1225 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
1227 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
1228 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
1229 (TARGET_FUSED_MADD): New.
1230 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
1231 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
1232 the multiply-add instructions.
1234 2001-08-19 Richard Henderson <rth@redhat.com>
1236 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
1237 is aligned to pointer size.
1239 2001-08-19 Richard Henderson <rth@redhat.com>
1241 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
1242 display markers during final schedule.
1244 2001-08-19 Richard Henderson <rth@redhat.com>
1246 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
1248 2001-08-19 Richard Henderson <rth@redhat.com>
1250 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
1252 (ASM_NAME_TO_STRING): Remove.
1253 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
1254 in the same string. Remove support for expressions.
1256 2001-08-19 Richard Henderson <rth@redhat.com>
1258 * config/i386/i386.md (tablejump): Make an expander; handle
1259 pic relative addressing here.
1260 (tablejump_1): Rename from tablejump_pic.
1263 2001-08-19 Richard Henderson <rth@redhat.com>
1265 * regclass.c (fix_register): Fix typo.
1267 2001-08-18 Richard Henderson <rth@redhat.com>
1269 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
1270 (struct _Unwind_Context): Expand br_loc to hold it.
1271 (uw_frame_state_for): Handle leaf functions better.
1272 (uw_update_reg_address): Update for br_loc change.
1274 2001-08-18 Richard Henderson <rth@redhat.com>
1276 * crtstuff.c: Move list heads before code that uses them.
1277 (__JCR_LIST__): Remove initial null.
1278 (frame_dummy, __frame_dummy): Do java registration here ...
1279 (__do_global_ctors_aux): ... not here.
1281 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
1282 (__do_global_dtors_aux): Update to match.
1283 (__JCR_LIST__, __do_jv_register_classes): New.
1285 * config/ia64/crtend.asm (__JCR_END__): New.
1286 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
1287 instead of an indirect LTOFF22 reloc.
1289 2001-08-18 Richard Henderson <rth@redhat.com>
1291 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
1292 * regclass.c (init_reg_sets_1): Fix typo.
1293 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
1294 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
1295 (ia64_compute_frame_size): Make ar.unat live when in use.
1296 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
1297 for ar.pfs; remove ar.unat handling.
1298 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
1300 (PREDICATE_CODES): Add ar_pfs_reg_operand.
1301 * config/ia64/ia64-protos.h: Update decls.
1302 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
1303 (sibcall_pic): Likewise.
1305 2001-08-18 Richard Henderson <rth@redhat.com>
1307 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
1308 pred_rel_mutex when searching for insn_group_barrier.
1309 * config/ia64/ia64.md (cycle_display): Combine the expander
1312 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
1313 bit before asm as needed.
1315 2001-08-18 Richard Henderson <rth@redhat.com>
1317 * timevar.def (TV_MACH_DEP): New.
1318 * toplev.c (rest_of_compilation): Use it.
1319 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
1321 2001-08-18 Zack Weinberg <zackw@panix.com>
1323 * unwind-dw2.c (execute_stack_op): Add default aborts to
1324 the inner switches to prevent warnings.
1326 2001-08-18 Richard Henderson <rth@redhat.com>
1328 * timevar.h (struct timevar_time_def): Change element type to float.
1329 (ticks_to_msec, clocks_to_msec): Likewise.
1330 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
1331 (get_time): Likewise.
1332 (timevar_print): Adjust zero check and printing to match.
1334 2001-08-18 Zack Weinberg <zackw@panix.com>
1336 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
1337 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
1338 Eliminate overfull or underfull hboxes.
1340 2001-08-18 Zack Weinberg <zackw@panix.com>
1342 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
1344 2001-08-18 Zack Weinberg <zackw@panix.com>
1346 * haifa-sched.c: Convert to target hooks. Macros replaced
1347 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
1348 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
1349 MD_SCHED_FINISH, and HAVE_cycle_display.
1350 * target-def.h (TARGET_SCHED_ADJUST_COST,
1351 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
1352 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
1353 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
1354 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
1355 New hook #defines to be overridden.
1356 (TARGET_SCHED): Bring them all together.
1357 (TARGET_INITIALIZER): Update.
1358 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
1359 instead of 'struct rtx_def *' throughout.
1360 (struct sched): New set of hooks for the scheduler.
1361 * Makefile.in (haifa-sched.o): Depend on target.h.
1362 * doc/tm.texi: Document the new scheduler hooks, together in
1363 their own section, instead of scattered around.
1364 Fix a bunch of underfull/overfull hboxes.
1366 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
1367 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
1368 sparc.h: Don't define any of the old scheduler macros.
1370 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
1371 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
1372 sparc.c: Create hook functions from code extracted from
1373 corresponding target header, or make existing hooks static, as
1374 appropriate. Set the appropriate entries in targetm.
1376 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
1377 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
1378 rs6000-protos.h, s390-protos.h, sparc-protos.h:
1379 Remove prototypes for functions which are now static.
1381 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
1382 related gunk; the Haifa scheduler is now the only choice.
1384 2001-08-18 Zack Weinberg <zackw@panix.com>
1386 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
1387 * genopinit.c: Put floating point divide insns in sdiv_optab.
1388 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
1389 * config/gofast.h, config/c4x/c4x.h,
1390 config/ia64/hpux_longdouble.h, config/mips/mips.h,
1391 config/pa/long_double.h, config/rs6000/sysv4.h,
1392 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
1393 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
1394 (init_optabs): Use init_optabv for overflow-trapping optabs.
1395 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
1396 cmp_optab RTX codes so have_insn_for can find them.
1398 * optabs.c (expand_simple_binop, expand_simple_unop,
1399 have_insn_for, gen_sub3_insn): New interfaces.
1400 * expr.h: Prototype new functions.
1401 (enum optab_methods): Move here from optabs.h.
1403 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
1404 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
1405 Use new functions instead of working directly with optabs.
1406 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
1407 unroll.c: Don't include optabs.h.
1408 * caller-save.c, combine.c, function.c, stmt.c: Just include
1409 insn-codes.h, not optabs.h.
1410 * Makefile.in: Update dependencies.
1412 * combine.c (make_compound_operation, simplify_comparison):
1413 Fix typos testing for this or that instruction.
1415 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1417 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
1418 generating libgcc.a.
1420 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1422 * except.c (TYPE_HASH): Delete.
1424 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
1427 * tree.c (TYPE_HASH): Delete.
1429 * tree.h (TYPE_HASH): Define.
1431 2001-08-18 Graham Stott <grahams@redhat.com>
1433 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
1435 (adddi3_internal_2+2): Likewise.
1436 (eh_set_lr_di+1): Likewise.
1438 2001-08-17 Richard Henderson <rth@redhat.com>
1440 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1441 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
1442 * dwarf2asm.c: ... here.
1443 * dwarfout.c: Remove them.
1445 * varasm.c (assemble_integer): Add align parameter.
1446 (assemble_real, output_constant, output_constructor): Likewise.
1447 * output.h: Update decls.
1448 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
1449 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
1450 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
1451 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
1452 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
1455 * final.c (end_final): Abort profile block generation if we
1456 havn't layed it out properly.
1457 * output.h (assemble_eh_integer): Remove stale decl.
1458 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
1460 (assemble_integer): Handle unaligned data.
1461 (assemble_real): Abort on unaligned data.
1462 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
1464 (default_dtor_section_asm_out_destructor): Use assemble_align.
1465 (default_named_section_asm_out_constructor): Likewise.
1466 (default_ctor_section_asm_out_constructor): Likewise.
1467 * config/darwin.c (machopic_asm_out_constructor): Likewise.
1468 (machopic_asm_out_destructor): Likewise.
1469 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
1470 (nextstep_asm_out_destructor): Likewise.
1471 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
1472 (vms_asm_out_destructor): Likewise.
1474 2001-08-17 Richard Henderson <rth@redhat.com>
1476 * config/mips/iris6.h (TARGET_IRIX6): New.
1477 (current_section_name, current_section_flags): New.
1478 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
1479 (MAX_OFILE_ALIGNMENT): New.
1480 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
1481 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
1482 (copy_file_data): Split out from
1483 (mips_asm_file_end): ... here.
1484 (mips_asm_file_start): Remove extra .section directive. Use
1485 tmpfile instead of mips_make_temp_file.
1486 (mips_unique_section): Use const char * as needed for warnings.
1487 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
1488 re-add align parameter.
1489 (iris6_asm_named_section): New.
1490 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
1491 (iris6_asm_output_align, iris6_section_align_1): New.
1492 (iris6_asm_file_start, iris6_asm_file_end): New.
1493 * config/mips/mips-protos.h: Update decls.
1495 2001-08-17 Janis Johnson <janis187@us.ibm.com>
1497 * doc/install.texi (Install GCC): Add links to build status pages.
1499 (Final install): Ditto; request updates for specific info
1501 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
1503 * cpperror.c (print_location): Don't take a file name; use the
1505 (_cpp_begin_message): Similarly.
1506 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1507 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
1508 (cpp_pedwarn_with_file_and_line): Remove.
1509 * cppfiles.c (stack_include_file): Update; set filename to stdin
1510 here when appropriate.
1511 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
1512 (_cpp_begin_message): Don't take a file name.
1513 * cppinit.c: Add comment.
1514 * cpplex.c: Fix end-of-directive indicator.
1515 * cpplib.c: Don't include intl.h.
1516 (run_directive, do_diagnostic): Update.
1517 (do_line): Update to not use nominal_fname.
1518 (cpp_push_buffer): Don't take a filename.
1519 * cpplib.h (struct ht): Remove.
1520 (cpp_push_buffer): Don't take a filename.
1521 (cpp_pedwarn_with_file_and_line): Remove.
1522 * cppmacro.c (struct cpp_macro): Remove file.
1523 (builtin_macro): Update.
1524 (_cpp_create_definition): Update.
1525 * cppmain.c: Correct comment.
1526 * fix-header.c (read_scan_file): Update.
1528 2001-08-17 Kazu Hirata <kazu@hxi.com>
1530 * sbitmap.c: Fix comment formatting.
1531 * sched-deps.c: Likewise.
1532 * sibcall.c: Likewise.
1533 * simplify-rtx.c: Likewise.
1535 * ssa-ccp.c: Likewise.
1536 * stor-layout.c: Likewise.
1537 * timevar.c: Likewise.
1538 * toplev.c: Likewise.
1539 * unwind-dw2.c: Likewise.
1540 * unwind-dw2-fde.c: Likewise.
1541 * varasm.c: Likewise.
1543 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1545 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
1546 or larger than an integer in memory.
1548 2001-08-17 Zack Weinberg <zackw@panix.com>
1550 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
1551 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
1552 * rtl.h: Don't forward-declare union tree_node here. Don't
1553 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
1554 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
1555 and tree respectively.
1556 * tree.h: Don't forward-declare struct rtx_def here. Don't
1557 typedef tree here. Change all uses of struct rtx_def *,
1558 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
1559 and tree respectively.
1561 2001-08-17 Richard Henderson <rth@redhat.com>
1563 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
1564 config/mips/openbsd.h: Fix typos last change.
1566 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1568 * doc/invoke.texi (Optimize Options): The default for
1569 -finline-limit is 600.
1571 2001-08-17 Richard Henderson <rth@redhat.com>
1573 * varasm.c (text_section): Allow TEXT_SECTION to override the
1574 printing of TEXT_SECTION_ASM_OP.
1575 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
1576 (DATA_SECTION, BSS_SECTION): Remove.
1577 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
1578 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
1579 Rename from s/_NAME//.
1580 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
1581 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
1582 (TEXT_SECTION): ... here. New.
1583 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
1584 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
1585 * config/mips/openbsd.h: Likewise.
1586 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
1587 (mips_asm_file_end): Likewise test.
1588 (mips_output_function_epilogue): Likewise. Switch back to data
1589 section after emitting the function.
1591 * doc/tm.texi (Sections): Document TEXT_SECTION.
1593 2001-08-17 Richard Henderson <rth@redhat.com>
1595 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
1596 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
1598 2001-08-17 Richard Henderson <rth@redhat.com>
1600 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
1601 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
1602 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
1603 Add aligned attribute.
1605 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
1607 * config/sh/sh.md: Add modes to unspecs in first insn to match
1608 those in the second.
1610 * Makefile.in: Fix collect2 copy for Cygwin.
1612 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1614 Install the proper patch.
1615 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
1616 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
1617 (expand_function_start): Likewise.
1618 * stmt.c (expand_decl): Likewise.
1619 * varasm.c (make_decl_rtx): Likewise.
1621 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1623 * final.c: Undo my previous accidental checkin.
1624 * output.h: Likewise.
1625 * tm.texi: Likewise.
1627 2001-08-16 Richard Henderson <rth@redhat.com>
1629 * varasm.c (named_section_flags): Remove align parameter.
1630 * varasm.c, dwarf2out.c: Update all callers.
1631 * output.h: Update prototypes.
1633 * target.h (target.asm_out.named_section): Remove align parameter.
1634 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
1635 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
1636 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
1637 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
1638 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
1640 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
1641 (get_named_section_flags, set_named_section_flags): New.
1642 (named_section_flags): Use them.
1643 (named_section): Do decl vs section flags check here...
1644 (default_section_type_flags): ... not here.
1645 (init_varasm_once): Create in_named_htab.
1646 (resolve_unique_section): Mark reloc unused.
1648 2001-08-16 Richard Henderson <rth@redhat.com>
1650 * varasm.c (force_const_mem): Keep pool alignment in bits.
1651 (output_constant_pool): Use assemble_align.
1653 2001-08-16 Zack Weinberg <zackw@panix.com>
1655 * doc/tm.texi: Remove extra @table command.
1657 2001-08-16 Zack Weinberg <zackw@panix.com>
1659 * final.c (shorten_branches): Clear the end of the label_align
1660 array only if we made it larger. Break up messy expressions
1663 * diagnostic.c (internal_error): Check for error recursion
1664 before doing ICE suppression.
1666 * timevar.c: Timing variables now count in milliseconds.
1667 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
1668 (get_time): Not here.
1669 (timevar_print): Don't print any timer whose user, cpu, and
1670 wall times are all zero as displayed.
1671 * timevar.h: Update comment aboout units. Make timevar
1674 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1676 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
1677 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
1678 (expand_function_start): Likewise.
1679 * stmt.c (expand_decl): Likewise.
1680 * varasm.c (make_decl_rtx): Likewise.
1682 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
1684 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
1685 (finalize_record_size): Don't set TYPE_USER_ALIGN.
1687 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1689 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
1692 2001-08-16 Andreas Jaeger <aj@suse.de>
1694 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
1697 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
1699 * rtl.h (only_sets_cc0_p): New prototype.
1700 * jump.c (sets_cc0_p): Handle INSN.
1701 (only_sets_cc0_p): New function.
1702 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
1703 (tidy_fallthru_edge): Likewise.
1704 * integrate.c (copy_insn_list): Likewise.
1705 * unroll.c (unroll_loop): Likewise.
1706 (copy_loop_body): Likewise.
1708 2001-08-15 Jason Eckhardt <jle@redhat.com>
1710 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
1712 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1714 * predict.c (struct block_info_def): Remove nvisited.
1715 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
1716 (estimate_bb_frequencies): Call mark_dfs_back_edges.
1718 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
1719 (ix86_adjust_cost): Teach scheduler that latency to load operand can
1722 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1724 * predict.def: Update hitrates.
1726 2001-08-15 Richard Henderson <rth@redhat.com>
1728 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
1730 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
1732 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
1733 note from its associated jump.
1735 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
1737 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
1738 also on 64-bit s390x targets.
1740 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
1742 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
1744 (arm_expand_prologue): Handled nested functions which take a
1745 variable argument list.
1746 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
1747 macro with an invocation of
1748 arm_compute_initial_elimination_offset.
1749 * config/arm/arm-protos.h: Prototype
1750 arm_compute_initial_elimination_offset.
1752 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1754 * doc/install.texi (Specific, avr): Fix markup.
1755 (Specific, c4x): Ditto.
1757 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1759 * predict.c (dump_prediction): Change `bool' parameter to `int'.
1761 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
1763 * Makefile.in (OBJS): Add rtl-error.o
1764 (rtl-error.o): New rule.
1765 (diagnostic.o): Adjust dependency.
1766 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
1767 error_for_asm, _fatal_insn, _fatal_insn_not_found,
1768 warning_for_asm): Move to...
1769 rtl-error.c: ...here. New file.
1771 2001-08-14 Richard Henderson <rth@redhat.com>
1773 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
1774 if USING_SJLJ_EXCEPTIONS.
1776 2001-08-14 Steve Ellcey <sje@cup.hp.com>
1778 * tlink.c (scan_linker_output): Check string for unsatisfied in
1779 addition to undefined and unresolved.
1781 2001-08-14 Graham Stott <grahams@redhat.com>
1783 * libgcc2.c (*): Replace EH_FRAME_SECTION with
1784 EH_FRAME_SECTION_NAME.
1786 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1788 * genattrtab.c (simplify_test_exp_in_temp): New function.
1789 (simplify_test_exp): Avoid explicit use of temporary obstack.
1790 (simplify_cond, insert_right_side, evaluate_eq_attr,
1791 simplify_and_tree, simplify_or_tree, eliminate_known_true):
1792 Use simplify_test_exp_in_temp.
1793 (optimize_attrs): Iterate until expression stabilizes.
1795 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
1797 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
1798 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
1800 2001-08-13 Richard Henderson <rth@redhat.com>
1802 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
1803 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
1804 * config/arm/conix-elf.h: Likewise.
1806 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
1808 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
1810 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1812 * gcse.c (hash_scan_set): Expressions that are set as part of
1813 jump instructions are not available.
1815 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
1817 * config/s390/s390.c (print_operand, s390_function_prologue,
1818 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
1820 2001-08-13 Richard Henderson <rth@redhat.com>
1822 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
1823 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
1824 * doc/tm.texi (Exception Region Output): Document it.
1826 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
1828 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
1829 DWARF2 instead of stabs by default.
1831 2001-08-13 David Edelsohn <edelsohn@gnu.org>
1833 * config/rs6000/rs6000.c: Include optabs.h.
1835 2001-08-13 David Edelsohn <edelsohn@gnu.org>
1837 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
1838 save/restore routines.
1839 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
1841 2001-08-13 Andreas Jaeger <aj@suse.de>
1843 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
1844 the english is correct.
1846 2001-08-13 Zack Weinberg <zackw@panix.com>
1848 * expr.h: Split out optab- and libfunc-related code to...
1849 * optabs.h, libfuncs.h: ... these new headers.
1851 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
1853 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
1855 * mkconfig.sh: Don't include insn-codes.h from config.h.
1857 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
1858 enum insn_code is available. Move reload_in_optab and
1859 reload_out_optab array declarations to optabs.h.
1860 * regmove.c (gen_add3_insn): Move to optabs.c, export from
1861 there, prototype in expr.h.
1862 * gencodes.c: Cleanup: zap global variables, don't use
1863 printf where puts will do, don't bother defining MAX_INSN_CODE
1864 which nothing uses, let CODE_FOR_nothing get its value implicitly.
1866 * genemit.c, genopinit.c: Include optabs.h in generated file.
1867 * genoutput.c: Include insn-codes.h in generated file.
1868 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
1869 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
1870 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
1871 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
1872 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
1873 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
1875 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
1876 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
1877 config/m88k/m88k.c, config/sparc/sparc.c:
1879 * reload.c: Include expr.h and optabs.h before reload.h.
1880 * config/alpha/alpha.c: Include tree.h before reload.h.
1881 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
1882 and reload.h in that order.
1883 * config/sparc/sparc.c: Include debug.h.
1884 * recog.c: Include insn-codes.h.
1886 2001-08-13 Andreas Jaeger <aj@suse.de>
1888 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
1891 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1893 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
1894 * gcc.c (init_spec): Fix typo in comment.
1895 * varasm.c (data_section): Fix typo in comment.
1897 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1899 * predict.c (dump_prediction): New argument "USED".
1900 (combine_predictions_for_insn): Determine the used heuristics,
1901 output the case no heuristic applied.
1902 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
1904 2001-08-13 Andreas Jaeger <aj@suse.de>
1906 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
1909 2001-08-13 Kazu Hirata <kazu@hxi.com>
1911 * jump.c: Fix formatting.
1913 2001-08-13 Kazu Hirata <kazu@hxi.com>
1915 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
1918 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
1920 * loop.c (check_dbra_loop): Use condjump_label to compute
1923 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
1924 to better document the files they're in.
1926 2001-08-12 Zack Weinberg <zackw@panix.com>
1928 * recog.h (struct insn_operand_data): Shrink 'mode' field
1931 2001-08-12 Kazu Hirata <kazu@hxi.com>
1933 * gcc.c: Fix comment formatting.
1934 * gccspec.c: Likewise.
1937 * genemit.c: Likewise.
1938 * gengenrtl.c: Likewise.
1939 * genrecog.c: Likewise.
1940 * gensupport.c: Likewise.
1941 * ggc-page.c: Likewise.
1942 * global.c: Likewise.
1943 * graph.c: Likewise.
1944 * ifcvt.c: Likewise.
1945 * integrate.c: Likewise.
1947 * libgcc2.c: Likewise.
1949 * mbchar.c: Likewise.
1950 * optabs.c: Likewise.
1951 * predict.c: Likewise.
1952 * prefix.c: Likewise.
1953 * profile.c: Likewise.
1954 * protoize.c: Likewise.
1956 * recog.c: Likewise.
1957 * regclass.c: Likewise.
1958 * regmove.c: Likewise.
1959 * reg-stack.c: Likewise.
1960 * reload1.c: Likewise.
1961 * resource.c: Likewise.
1962 * rtlanal.c: Likewise.
1965 2001-08-12 Kazu Hirata <kazu@hxi.com>
1967 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
1968 a tree representing a constant is passed to the macro.
1970 2001-08-12 Richard Henderson <rth@redhat.com>
1972 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
1973 (rs6000_elf_asm_out_destructor): New.
1974 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
1975 (DTORS_SECTION_ASM_OP): Remove.
1976 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1977 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
1979 2001-08-12 David Edelsohn <edelsohn@gnu.org>
1982 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1983 * gcc.c (set_collect_gcc_options): New function, split out from
1985 Ignore elided switches.
1986 (do_spec_1): Invoke before executing command.
1987 (set_input): Export.
1988 Move declaration ...
1989 * gcc.h (set_input): ... here.
1990 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
1993 2001-08-12 Richard Henderson <rth@redhat.com>
1995 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
1996 thinko wrt TARGET_RELOCATABLE.
1998 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
2000 * fix-header.c (cb_file_change): Update prototype.
2002 2001-08-11 Zack Weinberg <zackw@panix.com>
2004 * toplev.c (set_float_handler): Make static.
2005 * toplev.h: Don't prototype set_float_handler.
2007 * simplify-rtx.c: Don't include setjmp.h.
2008 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
2010 (simplify_unary_operation, simplify_binary_operation): Use them,
2011 via do_float_handler.
2013 * fold-const.c: Don't include setjmp.h.
2014 (exact_real_inverse_1): New function.
2015 (exact_real_inverse): Use it, via do_float_handler.
2017 * varasm.c: Don't include setjmp.h.
2018 (assemble_real_1): New function.
2019 (assemble_real): Use it, via do_float_handler.
2020 Call internal_error if we get a trap here.
2022 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
2023 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
2025 2001-08-11 Zack Weinberg <zackw@panix.com>
2027 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
2028 STACK_BOUNDARY if not already defined.
2030 * calls.c, function.c, reload1.c, explow.c: Don't default
2031 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
2032 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
2034 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
2037 * doc/tm.texi: Document that STACK_BOUNDARY is required;
2038 clarify difference between it and PREFERRED_STACK_BOUNDARY.
2040 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
2042 * cppmacro.c (enter_macro_context): Push macro expansions even
2045 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2047 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
2048 (rs6000_elf_section_type_flags): Actually return a value.
2050 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
2052 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
2053 Clean up code: add missing comments and prototypes, fix warnings,
2054 remove obsolete code, fix spacing to conform to coding style.
2056 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
2058 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
2059 and TARGET_ASM_CLOSE_PAREN.
2060 (regclass_map): CC register belongs to class NO_REGS.
2061 (legitimize_pic_address): Don't generate unnecessary moves
2062 (to avoid confusing loop optimization).
2063 (check_and_change_labels): Replace jump_long by indirect_jump.
2064 (s390_final_chunkify): Don't start a new literal pool on section
2065 switch in 64-bit code.
2066 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
2068 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
2069 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
2070 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
2072 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
2073 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
2074 (CONST_COSTS): Fixed incorrect costs.
2076 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
2077 Use emit_jump instead of emit_jump_insn (gen_jump).
2078 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
2079 (to avoid confusing flow analysis).
2080 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
2081 (casesi, casesi_jump): New.
2082 (jump_long): Removed. Functionality merged into indirect_jump.
2083 (indirect_jump): Accept address_operand, not just register_operand.
2084 (cjump_long, icjump_long): Use same logic as indirect_jump.
2085 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
2086 Fixed broken setjmp/longjmp handling.
2087 (do_builtin_setjmp_setup): Removed.
2089 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
2090 broken GNU as versions that don't accept .quad with large
2091 negative values. Use hexadecimal output instead.
2092 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
2093 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
2094 FUNCTION_EPILOGUE): Removed. Now in targetm.
2096 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
2098 * config/s390/fixdfdi.h: Add missing copyright statement.
2099 Fix type conflicts on 64-bit. Add missing SFmode routines.
2101 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
2104 2001-08-11 Richard Henderson <rth@redhat.com>
2106 * rtl.h (REG_EH_RETHROW): Remove.
2107 * rtl.c (reg_note_name): Update.
2108 * combine.c (distribute_notes): Don't check for it.
2110 2001-08-11 Richard Henderson <rth@redhat.com>
2112 * combine.c (distribute_notes): Place REG_SETJMP.
2114 2001-08-11 Richard Henderson <rth@redhat.com>
2116 * doc/extend.texi (Arrays and pointers implementation): Discourage
2117 relying on sign-extension of pointers.
2119 2001-08-11 H.J. Lu <hjl@gnu.org>
2121 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
2123 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
2124 RDATA_SECTION_ASM_OP.
2126 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2128 * doc/install.texi (Specific, c4x): Fix cross-reference to the
2129 main manual to work both for info and HTML versions.
2131 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
2132 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2134 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
2135 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
2136 (struct cpp_pool): New member first.
2137 * cppinit.c (append_include_chain): Plug memory leaks.
2138 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
2139 Allocate pragma structures from the (aligned) macro pool to
2140 avoid leaking memory.
2141 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
2142 so we don't leak memory.
2143 * hashtable.c (ht_destroy): New.
2144 * hashtable.h (ht_destroy): New.
2146 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
2147 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2149 * c-lex.c (map): Make const.
2150 (cb_file_change): Update for callback passing a line map.
2151 Don't assume we have a previous map. Remove sanity check
2152 about popping too many files.
2153 * cpperror.c (print_location): Make map const.
2154 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
2155 (cpp_make_system_header): Similarly.
2156 (search_from): Similarly.
2157 (_cpp_execute_include): Don't remember where we came from.
2158 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
2159 (struct cpp_reader): Make map const.
2160 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
2161 * cpplib.c (do_line): Update; line maps now hold sysp.
2162 (cpp_push_buffer): Similarly.
2163 (_cpp_do_file_change): Similarly; callback with map instead.
2164 (cpp_get_line_maps): Constify return value.
2165 (_cpp_pop_buffer): Update.
2166 * cpplib.h (struct cpp_file_change): Remove.
2167 (struct cpp_callbacks): Update.
2168 (cpp_get_line_maps): Constify return value.
2169 * cppmacro.c (_cpp_create_definition): Update.
2170 * cppmain.c (struct printer): Constify map.
2171 (maybe_print_line): Similarly.
2172 (print_line): Similarly. Deduce flags 1 and 2 here.
2173 (cb_file_change): Update.
2174 * line-map.c (free_line_maps): Warn regardless.
2175 (add_line_map): Return pointer to const. When passed NULL to_file
2176 with LC_LEAVE, use the obvious values for the return point so the
2177 caller doesn't have to figure them out.
2178 (lookup_line): Return pointer to const.
2179 (print_containing_files): Take pointer to const.
2180 * line-map.h (struct line_map): New members reason, sysp.
2181 (add_line_map): Return pointer to const.
2182 (lookup_line): Similarly.
2183 (print_containing_files): Take pointer to const.
2185 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
2186 Richard Henderson <rth@redhat.com>
2188 * regmove.c (regmove_optimize): Avoid setting a register twice in
2191 2001-08-10 Richard Henderson <rth@redhat.com>
2193 * doc/extend.texi (Arrays and pointers implementation): Document
2194 behavior of pointer/integer conversion.
2196 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
2198 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
2200 2001-08-10 Richard Henderson <rth@redhat.com>
2202 * doc/extend.texi (C Implementation): New chapter.
2203 * doc/gcc.texi (Top): Link it in.
2205 2001-08-10 Andrew Cagney <ac131313@redhat.com>
2207 * doc/install.texi (Specific): Fix CVS merge botch.
2209 2001-08-10 Richard Henderson <rth@redhat.com>
2211 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
2212 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
2214 2001-08-10 Zack Weinberg <zackw@stanford.edu>
2216 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
2217 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
2218 this macro is now required.
2220 * cselib.c (cselib_process_insn), flow.c (propagate_block),
2221 loop.c (find_and_verify_loops), reload.c (reload): Check
2222 for rtx code of CALL_INSN, not CALL, when deciding if we
2223 need to check for REG_SETJMP note.
2225 * gcse.c (compute_hash_table, compute_store_table): Update
2226 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
2229 * config/avr/avr.c: Fix typo.
2230 * config/convex/convex.c (expand_movstr): Use adjust_address.
2231 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
2233 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
2234 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
2236 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
2237 Do define STACK_BOUNDARY.
2238 * config/i370/i370.c: Include expr.h.
2239 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
2240 config/pa/som.h, config/v850/v850.h: Take in_ctors and
2241 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
2242 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
2243 * config/m88k/m88k.c: Include c-tree.h after expr.h.
2244 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
2245 * config/romp/romp.c: Include expr.h after tree.h.
2247 (output_fpop): Use xmalloc, not oballoc.
2248 * config/we32k/we32k.c: Include expr.h.
2250 2001-08-10 Kazu Hirata <kazu@hxi.com>
2252 * config/h8300/h8300.h: Fix formatting.
2254 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
2256 * c-common.h (RETURN_NULLIFIED_P): Lose.
2257 * c-semantics.c (genrtl_return_stmt): Don't check it.
2259 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
2261 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
2262 (mips_annotate_frame_insn): New function.
2263 (mips_emit_frame_related_store): New function.
2264 (save_restore_insns): Don't mark instructions that set up the base
2265 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
2266 the store instructions instead.
2267 (mips_expand_prologue): If the stack size is moved into a temporary
2268 register, do not mark that move as frame-related. Add a
2269 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
2271 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
2273 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
2274 stack slot as unchanging if current_function_calls_eh_return.
2276 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
2278 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
2279 access the second half of the TFmode scratch operand.
2281 2001-08-10 Anthony Green <green@redhat.com>
2283 * java/class.c (emit_register_classes): Conditionalize code on
2286 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2288 * doc/install.texi (Specific, avr): Fix cross-reference to the
2289 main manual to work both for info and HTML versions.
2291 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
2293 * stmt.c (expand_null_return_1): Remove code to generate simple returns
2294 and "use_goto" argument.
2295 (expand_null_return, expand_value_return): Update all callers.
2296 * function.c (expand_function_end): Remove code to generate simple
2298 * config/vax/vax.md (epilogue): New expander for function return.
2299 * doc/md.texi (epilogue): Remove "if defined".
2301 2001-08-09 Zack Weinberg <zackw@stanford.edu>
2303 * Makefile.in: Partially revert my previous change:
2304 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
2305 of the hashtab.o and safe-ctype.o rules.
2307 2001-08-09 Richard Henderson <rth@redhat.com>
2309 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
2310 (USE_COLLECT2): Remove duplicate definition.
2311 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
2312 (use_collect2): Remove dead code.
2313 * configure.in (use_collect2): Remove will_use_collect2 and
2314 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
2315 * configure: Rebuild.
2317 * target.h (targetm.asm_out.constructor): New.
2318 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
2319 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
2320 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
2321 * varasm.c (in_ctors, in_dtors): New.
2322 (assemble_constructor, assemble_destructor): Remove.
2323 (default_stabs_asm_out_destructor): New.
2324 (default_named_section_asm_out_destructor): New.
2325 (dtors_section, default_dtor_section_asm_out_destructor): New.
2326 (default_stabs_asm_out_constructor): New.
2327 (default_named_section_asm_out_constructor): New.
2328 (ctors_section, default_ctor_section_asm_out_constructor): New.
2329 * output.h: Update declarations.
2330 * c-decl.c (c_expand_body): Use target hooks instead of
2331 assemble_constructor and assemble_destructor.
2332 * profile.c (output_func_start_profiler): Likewise.
2333 * objc/objc-act.c (finish_objc): Likewise.
2334 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
2335 for the constructor.
2336 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
2338 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
2339 (DTORS_SECTION_ASM_OP): Likewise.
2340 (__CTOR_LIST__): Use attribute section when possible.
2341 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
2343 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
2344 ASM_OUTPUT_CONSTRUCTOR.
2346 * config/darwin.c (machopic_asm_out_constructor): New.
2347 (machopic_asm_out_destructor): New.
2348 * config/darwin-protos.h: Update declarations.
2349 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2350 (ASM_OUTPUT_DESTRUCTOR): Remove.
2351 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2352 * config/nextstep.c (nextstep_asm_out_constructor): New.
2353 (nextstep_asm_out_destructor): New.
2354 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2355 (ASM_OUTPUT_DESTRUCTOR): Remove.
2356 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2357 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
2358 ASM_OUTPUT_*STRUCTOR.
2359 * config/i386/aix386ng.h: Likewise.
2361 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
2362 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
2363 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2364 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2365 * config/lynx.h: Likewise.
2366 * config/netware.h: Likewise.
2367 * config/psos.h: Likewise.
2368 * config/alpha/alpha-interix.h: Likewise.
2369 * config/alpha/elf.h: Likewise.
2370 * config/arc/arc.h: Likewise.
2371 * config/arm/aof.h: Likewise.
2372 * config/arm/coff.h: Likewise.
2373 * config/arm/elf.h: Likewise.
2374 * config/c4x/c4x.h: Likewise.
2375 * config/h8300/h8300.h: Likewise.
2376 * config/i386/cygwin.h: Likewise.
2377 * config/i386/djgpp.h: Likewise.
2378 * config/i386/i386-coff.h: Likewise.
2379 * config/i386/i386-interix.h: Likewise.
2380 * config/i386/sco5.h: Likewise.
2381 * config/i386/vsta.h: Likewise.
2382 * config/i386/win32.h: Likewise.
2383 * config/i960/i960-coff.h: Likewise.
2384 * config/ia64/sysv4.h: Likewise.
2385 * config/m68hc11/m68hc11.h: Likewise.
2386 * config/m68k/coff.h: Likewise.
2387 * config/m68k/mot3300.h: Likewise.
2388 * config/m88k/m88k.h: Likewise.
2389 * config/mcore/mcore-pe.h: Likewise.
2390 * config/mcore/mcore.h: Likewise.
2391 * config/mips/elf.h: Likewise.
2392 * config/mips/elf64.h: Likewise.
2393 * config/mips/iris6.h: Likewise.
2394 * config/pa/pa64-hpux.h: Likewise.
2395 * config/rs6000/sysv4.h: Likewise.
2396 * config/sh/sh.h: Likewise.
2397 * config/sparc/litecoff.h: Likewise.
2399 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
2400 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2401 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2402 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2403 (ASM_OUTPUT_DESTRUCTOR): Remove.
2404 * config/a29k/a29k.c: Move include of tree.h.
2405 * config/a29k/udi.h: Delete file.
2406 * config/alpha/alpha.c (vms_asm_out_constructor): New.
2407 (vms_asm_out_destructor): New.
2408 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
2409 (EXTRA_SECTION_FUNCTIONS): Likewise.
2410 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2411 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2412 * config/c4x/c4x.c: Move include of tree.h.
2413 * config/clipper/clipper.c (clix_asm_out_constructor): New.
2414 (clix_asm_out_destructor): New.
2415 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2416 (ASM_OUTPUT_DESTRUCTOR): Remove.
2417 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2418 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2419 (TARGET_ASM_CONSTRUCTOR): New.
2420 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
2421 (sco_asm_out_constructor): New.
2422 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
2423 * config/i386/svr3gas.h: Remove stack grows up code.
2424 Remove code duplicated from i386/sysv3.h.
2425 (TARGET_ASM_CONSTRUCTOR): New.
2426 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2427 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
2428 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2429 (TARGET_ASM_CONSTRUCTOR): New.
2430 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
2431 (m68hc11_asm_out_destructor): New.
2432 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
2433 (TARGET_ASM_DESTRUCTOR): New.
2434 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
2435 * config/m68k/dpx2.h: Properly undef all the bits inherited from
2436 config/svr3.h pertaining to section manipulation.
2437 * config/m68k/dpx2g.h: Remove #if 0 code.
2438 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
2439 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
2440 (ASM_OUTPUT_CONSTRUCTOR): Remove.
2441 (TARGET_ASM_CONSTRUCTOR): New.
2442 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
2443 (m88k_svr3_asm_out_constructor): New.
2444 (m88k_svr3_asm_out_destructor): New.
2445 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2446 (ASM_OUTPUT_DESTRUCTOR): Remove.
2447 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2448 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
2449 * config/rs6000/aix.h: Likewise.
2450 * config/mips/rtems64.h: Don't undef removed constructor related bits.
2451 * config/mips/vxworks.h: Likewise.
2452 * config/rs6000/lynx.h: Likewise.
2453 * config/sh/elf.h: Likewise.
2454 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
2455 (DTORS_SECTION_ASM_OP): New.
2456 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2457 (ASM_OUTPUT_DESTRUCTOR): Remove.
2458 * config/sparc/sol2-sld-64.h: Likewise.
2459 * config/vax/vax.c (vms_asm_out_constructor): New.
2460 (vms_asm_out_destructor): New.
2461 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2462 (ASM_OUTPUT_DESTRUCTOR): Remove.
2463 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2465 * doc/tm.texi (@node Initialization): Update.
2467 2001-08-09 Richard Henderson <rth@redhat.com>
2469 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
2470 (__do_global_dtors_aux): Use gp-relative static data to avoid
2471 one dynamic relocation.
2472 (__do_frame_setup): Register Java classes.
2473 * config/alpha/crtend.asm (__JCR_END__): New.
2475 2001-08-09 Zack Weinberg <zackw@stanford.edu>
2477 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
2478 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
2479 (GEN, STAGESTUFF): Add new files.
2480 (insn-constants.h, s-constants, tm-preds.h, s-preds,
2481 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
2482 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
2483 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
2484 as well as insn-codes.h and insn-flags.h in config.h; and no
2485 extra headers in tconfig.h and hconfig.h.
2487 * gencodes.c: Eliminate code to generate predicate declarations
2488 or #defines for md-file constants.
2489 * genconstants.c, genpreds.c: New files.
2491 * i386.md: Re-order guard expressions such that TARGET_64BIT
2492 comes first, when this permits better optimization. Add
2493 TARGET_64BIT to more x86-64 patterns. Add comment explaining
2494 why this is desirable.
2496 2001-08-09 Jakub Jelinek <jakub@redhat.com>
2498 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
2499 (find_fde_for_dso): Remove.
2500 (_Unwind_IteratePhdrCallback): New.
2501 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
2502 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
2504 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2506 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
2507 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
2509 2001-08-09 Graham Stott <grahams@redhat.com>
2511 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
2512 (vis_no_unit): Use it.
2513 (visualize_no_unit): Add the insn only if room exists.
2515 2001-08-09 Graham Stott <grahams@redhat.com>
2517 * predict.c (estimate_probability): Replace magic numbers with
2518 appropriate enumeration.
2520 2001-08-09 Graham Stott <grahams@redhat.com>
2522 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
2524 (EXTRACT_FLAGS): Likewise.
2526 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
2528 * config/mips/mips.c (mips_legitimate_address_p): Check for
2529 CONST_INT in last patch.
2531 2001-08-08 Anthony Green <green@redhat.com>
2533 * java/class.c (emit_register_classes): Use assemble_jcr if
2534 possible. Keep the original mechanism as a fallback.
2535 * defaults.h (JCR_SECTION_NAME): Define if we have named section
2536 and weak symbol support.
2537 * crtstuff.c (__JCR_LIST__): Define.
2538 (__JCR_END__): Define.
2539 (_Jv_RegiserClasses): Define weak symbol if possible.
2540 (__do_global_ctors_aux): Register classes for ELF targets with
2541 weak symbol support.
2543 2001-08-08 Kazu Hirata <kazu@hxi.com>
2545 * dbxout.c: Fix comment formatting.
2546 * dependence.c: Likewise.
2548 * diagnostic.c: Likewise.
2549 * dominance.c: Likewise.
2550 * doprint.c: Likewise.
2551 * dwarf2out.c: Likewise.
2552 * dwarfout.c: Likewise.
2553 * emit-rtl.c: Likewise.
2554 * except.c: Likewise.
2555 * explow.c: Likewise.
2556 * expmed.c: Likewise.
2559 * fold-const.c: Likewise.
2560 * function.c: Likewise.
2562 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2564 * global.c (retry_global_alloc): Avoid shadowing allocno.
2566 2001-08-08 Mark Mitchell <mark@codesourcery.com>
2568 * except.c (remove_fixup_regions): Fix typo.
2570 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
2572 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
2573 unsigned HOST_WIDE_INT to avoid warning.
2574 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
2575 * flow.c (set_block_for_new_insns): Likewise.
2577 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
2579 * sibcall.c (return_value_pseudo): New static variable.
2580 (skip_copy_to_return_value): Handle return_value_pseudo.
2581 (call_ends_block_p): Ensure that return_value_pseudo is set.
2582 (optimize_sibling_and_tail_recursive_call): Discover the
2583 load of pseudo return value in alternate exit block.
2585 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2587 * calls.c (ECF_ALWAYS_RETURN): New constant.
2588 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
2589 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
2590 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
2591 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
2592 * rtl.c (reg_note_name): New name.
2593 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
2595 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
2597 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
2599 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
2601 * alias.c (get_alias_set): Return a previously calculated
2602 alias set for a VAR_DECL.
2603 * function.c (gen_mem_addressof): Calculate the alias set before
2606 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
2608 * predict.def: Set hitrates according our experimental run.
2610 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2612 * i386.h (HARD_REGNO_RENAME_OK): New macro.
2614 2001-08-08 H.J. Lu <hjl@gnu.org>
2616 * config/mips/mips.c (mips_unique_section): New. Copied from
2619 * config/mips/mips-protos.h (mips_unique_section): New
2622 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
2624 * config/mips/little.h: New. Generic little endian mips
2625 targets. Only mips*-*-linux* is converted to use it so far.
2627 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
2628 (WCHAR_TYPE): Defined
2629 (WCHAR_TYPE_SIZE): Likewise.
2630 (INIT_SUBTARGET_OPTABS): Likewise.
2631 (BSS_SECTION_ASM_OP): Likewise.
2632 (SBSS_SECTION_ASM_OP): Likewise.
2633 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
2634 (ASM_DECLARE_OBJECT_NAME): Likewise.
2635 (UNIQUE_SECTION): Likewise.
2636 (EXTRA_SECTIONS): Likewise.
2637 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2638 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2639 (ASM_OUTPUT_DEF): Likewise.
2640 (HANDLE_SYSV_PRAGMA): Removed.
2641 (NO_IMPLICIT_EXTERN_C): Likewise.
2642 (TARGET_MEM_FUNCTIONS): Likewise.
2643 (STARTFILE_SPEC): Likewise.
2644 (ENDFILE_SPEC): Likewise.
2645 (LIB_SPEC): Likewise.
2646 (INVOKE__main): Likewise.
2647 (CTOR_LIST_BEGIN): Likewise.
2648 (CTOR_LIST_END): Likewise.
2649 (DTOR_LIST_BEGIN): Likewise.
2650 (DTOR_LIST_END): Likewise.
2651 (SET_ASM_OP): Likewise.
2652 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2653 (ASM_OUTPUT_DEF): Likewise.
2654 (ASM_OUTPUT_IDENT): Likewise.
2656 * config/mips/mips.h (ASM_SPEC): Undefine before define.
2657 (CPLUSPLUS_CPP_SPEC): Likewise.
2658 (ASM_APP_ON) Redefine only if not defined.
2659 (ASM_APP_OFF): Likewise.
2660 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2661 (ASM_OUTPUT_IDENT): Likewise.
2663 * config.gcc: Update tm_file for Linux/mips.
2665 2001-08-08 Bernd Schmidt <bernds@redhat.com>
2667 * cselib.c (cselib_record_sets): If insn is predicated, turn
2668 sources into IF_THEN_ELSEs.
2670 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
2671 Turn into define_insn_and_split.
2673 * sched-deps.c: Include "cselib.h".
2674 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
2675 Use cselib to turn memory addresses into VALUEs.
2676 (sched_analyze): Call cselib_init/cselib_finish if necessary.
2677 * sched-int.h (struct sched_info): New member USE_CSELIB.
2678 * sched-ebb.c (ebb_sched_info): Initialize it.
2679 * sched-rgn.c (rgn_sched_info): Likewise.
2680 * Makefile.in (sched-deps.o): Update dependencies.
2682 * cselib.h (cselib_subst_to_values): Declare.
2683 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
2684 that have no value and autoincs to be handled by generating a new
2687 2001-08-08 Graham Stott <grahams@redhat.com>
2689 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
2690 within fixed length SEQUENCE.
2692 2001-08-08 Graham Stott <grahams@redhat.com>
2694 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
2695 (diagnostic_prefixing_rule): Likewise.
2696 (diagnostic_line_cutoff): Likewise.
2697 (diagnostic_kind_count): Likewise.
2699 2001-08-08 Graham Stott <grahams@redhat.com>
2701 * alias.c (find_base_decl): Delete redundent assignment.
2703 2001-08-08 Graham Stott <grahams@redhat.com>
2705 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
2706 (abs): Uppercase and paranthesize macro parameter.
2707 (MEM_DEPENDENCY): Add whitespace.
2709 2001-08-08 Graham Stott <grahams@redhat.com>
2711 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
2712 failure check for CONST_INT
2714 2001-08-08 Graham Stott <grahams@redhat.com>
2716 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
2717 (libcall_dead_p): Likewise.
2719 (mark_used_regs): Constify fmt.
2720 (find_use_as_address): Likewise.
2722 2001-08-08 Graham Stott <grahams@redhat.com>
2724 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
2727 2001-08-08 Graham Stott <grahams@redhat.com>
2729 * combine.c (combine_simplify_rtx): Update comment and
2730 remove erroneous test.
2732 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
2734 * cppinit.c (cpp_finish): Pop the final buffer without comment.
2735 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
2736 take care to avoid multiple no-newline at EOF warnings in that
2739 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
2741 * calls.c (expand_call): Do not emit INSN_SETJMP note.
2742 (emit_library_call_value_1): Likewise.
2743 (emit_call_1): Emit REG_SETJMP note.
2744 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
2746 * cselib.c (cselib_process_insn): Likewise.
2747 * flow.c (propagate_block): Likewise.
2748 * loop.c (find_and_verify_loops): Likewise.
2749 * reload.c (find_equiv_regs): Likewise.
2750 * reload1.c (reload): Likewise.
2751 * resource.c (mark_referenced_resources,
2752 mark_set_resources): Likewise.
2753 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
2754 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
2755 * haifa-sched.c (unlink_other_notes): Likewise.
2756 (reemit_notes): Likewise.
2757 * sched-ebb.c (sched_ebb): Likewise.
2758 * sched-rgc.c (sched_region): Likewise.
2759 * rtl.c (note_insn_name): Likewise.
2760 (reg_note_name): Add REG_SETJMP
2761 * rtl.h (reg_note): Add REG_SETJMP.
2762 (insn_note): Remove NOTE_INSN_SETJMP.
2764 * profile.c (branch_prob): Add fake edges for setjmp.
2766 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
2768 * config.gcc: Quote target_cpu_default2 correctly for
2769 powerpc*-*-* targets.
2771 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
2773 * cpplib.h, line-map.h: Update comments.
2774 * cppmain.c (printer_init): Move inline.
2775 (maybe_print_line, print_line): Take a map pointer.
2776 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
2777 (cb_file_change): Don't use prior value of print.map.
2779 2001-08-07 David Edelsohn <edelsohn@gnu.org>
2781 * doc/install.texi: Document fine-grained multilib configuration.
2783 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2785 * rtlanal.c (find_first_parameter_load): Call note_stores
2786 only on the instructions.
2788 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2790 * alias.c (nonlocal_mentioned_p):
2791 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
2792 * calls.c (emit_call_1): Likewise.
2793 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
2794 * cselib.c (cselib_process_insn): Likewise.
2795 * df.c (df_insns_modify): Likewise.
2796 * flow.c (need_fake_edge_p): Likewise.
2797 (propagate_one_insn): Likewise.
2798 * haifa-sched.c (reemit_notes): Likewise.
2799 * integrate.c (copy_insn_list): Likewise.
2800 * jump.c (delete_prior_computation): Likewise.
2801 * local-alloc.c (validate_equiv_mem): Likewise.
2802 * loop.c (scan_loop): Likewise.
2803 * predict.c (estimate_probability): Likewise.
2804 * reload.c (reload): Likewise.
2805 * sched-deps (sched_analyze): Likewise.
2806 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
2807 * gcse.c (compute_hash_table): Likewise.
2808 (mark_call): Likewise.
2809 (store_killed_in_insn): Likewise.
2811 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
2813 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
2815 2001-08-06 Richard Henderson <rth@redhat.com>
2817 * varasm.c (assemble_gc_entry): Remove.
2818 * output.h: Likewise.
2820 2001-08-06 Richard Henderson <rth@redhat.com>
2822 * varasm.c (assemble_constructor): Take a symbol_ref and a
2823 priority instead of a bare string. Move priority handling
2824 here from cp/decl2.c.
2825 * output.h: Update decls.
2827 * c-decl.c (c_expand_body): Update calls to assemble_constructor
2828 and assemble_destructor.
2829 * profile.c (output_func_start_profiler): Likewise.
2830 * objc/objc-act.c (finish_objc): Likewise.
2831 (build_module_descriptor): Return the symbol not the symbol name.
2833 2001-08-06 David Edelsohn <edelsohn@gnu.org>
2835 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
2836 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
2837 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
2838 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
2839 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
2840 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
2842 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
2844 * cpperror.c (print_containing_files): Moved to line-map.c.
2845 (print_location): line-map.c handles re-listing or otherwise.
2846 * cpphash.h (struct lexer_state): Remove next_bol.
2847 (struct cpp_buffer): Remove include_stack_listed.
2848 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
2849 Remove faked buffer handling.
2850 (_cpp_do_file_change): Tweak.
2851 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
2852 * cppmain.c (struct printer): Remove filename.
2853 (print_line, cb_file_change): Update accordingly.
2854 * line-map.c: Include intl.h.
2855 (init_line_maps): Initialize last_listed.
2856 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
2857 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
2858 (print_containing_files): New.
2859 * line-map.h (struct line_maps): New member last_listed.
2860 (print_containing_files, INCLUDED_FROM): New.
2861 * Makefile.in: Update.
2862 * po/POTFILES.in: Add line-map.c.
2864 2001-08-06 Richard Henderson <rth@redhat.com>
2866 * except.c (convert_from_eh_region_ranges_1): Never mark
2867 USE or CLOBBER insns as throwing.
2869 * expr.c (store_constructor): Don't clobber memory targets.
2871 2001-08-06 Andreas Jaeger <aj@suse.de>
2873 * profile.c (branch_prob): Remove unused variable insn.
2875 * Makefile.in (local-alloc.o): Add dependency on except.h.
2877 * local-alloc.c: Include except.h for can_throw_internal prototype.
2879 2001-08-06 Richard Henderson <rth@redhat.com>
2881 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2882 * function.c (expand_main_function): Implement it.
2883 * doc/tm.texi: Document it.
2885 2001-08-06 Stan Shebs <shebs@apple.com>
2887 * doc/install.texi: Document powerpc-*-darwin* details.
2889 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
2891 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
2892 (ASM_CPU_SPEC): Move back to rs6000.h
2893 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
2895 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
2897 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
2900 * config/rs6000/linux64.h: Ditto.
2902 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
2903 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
2906 Remove accidently readded definitions of FUNCTION_PROLOGUE,
2907 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
2909 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
2912 2001-08-05 Richard Henderson <rth@redhat.com>
2914 * local-alloc.c (update_equiv_regs): Do not move insns that
2917 2001-08-05 Jan Hubicka <jh@suse.cz>
2919 * Makefile.in (reload1.o): Add dedendancy on except.h
2920 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
2922 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
2923 indicating wehther edges has been cleaned up.
2924 * reload1.c: Inlucde except.h
2925 (fixup_abnormal_edges): Accept deleted insns.
2926 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
2929 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
2931 * cpplib.c (do_line): Correct line number after pop_buffer.
2933 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
2935 PR preprocessor/3824
2936 * line-map.c: Update comments.
2937 * line-map.h: Update comments.
2938 * tradcif.y: Don't consider large numbers unsigned.
2940 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
2942 PR preprocessor/3081
2943 * c-lex.c (map): New.
2944 (cb_file_change): Update map and use it.
2945 (cb_def_pragma, cb_define, cb_undef): Use map and line.
2946 (c_lex): Update to use map.
2947 * cpperror.c (print_location): Move to using logical line numbers.
2948 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
2949 (cpp_make_system_header): Similarly.
2950 (_cpp_execute_include): Stop line numbering hacks. Store the
2951 line we will return to.
2952 * cpphash.h (CPP_BUF_LINE): Remove.
2953 (struct cpp_buffer): Remove lineno and pseudo_newlines.
2954 Add map and return_to_line.
2955 (_cpp_do_file_change): Update.
2956 * cppinit.c (cpp_start_read): Update line kludge.
2957 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
2958 (trigraph_ok): Use logical line numbers for diagnostics.
2959 (skip_block_comment): Likewise.
2960 (skip_whitespace): Likewise.
2961 (skip_line_comment): Use pfile->line instead.
2962 (_cpp_lex_token): Update to use logical line numbering exclusively.
2963 Handle BOL locally. Accept new lines in directives, but keep
2964 pfile->line decremented. Diagnostics use logical lines. Update
2966 * cpplib.c (SEEN_EOL): New.
2967 (skip_rest_of_line, check_eol): Use it.
2968 (end_directive): Increase line number when accepting the newline
2969 at the end of a directive.
2970 (run_directive): Simplify.
2971 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
2972 (_cpp_do_file_change): Update to take buffer line number as an
2973 argument, and store the current map in the cpp_reader. Remove
2974 line number kludges.
2975 (_cpp_do__Pragma): Restore output position after a _Pragma.
2976 (cpp_push_buffer): Don't set output line or lineno.
2977 (_cpp_pop_buffer): Transfer more info from a faked buffer.
2978 Remove line kludge. Set output_line.
2979 * cppmacro.c (builtin_macro): Update handling of __LINE__.
2980 (parse_arg): Use logical lines.
2981 (save_lookahead_token): Save EOFs too now.
2982 * cppmain.c (struct printer): Fix comments.
2983 (printer_init): Simplify, let caller do errors.
2984 (scan_translation_unit, check_multiline_token, dump_macro): Update.
2985 (maybe_print_line): Simplify.
2986 (print_line): Don't print a linemarker if -P.
2987 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
2988 (cb_file_change): Simplify.
2989 * line-map.h (LAST_SOURCE_LINE): Fix.
2990 (CURRENT_LINE_MAP): New.
2992 2001-08-05 Bernd Schmidt <bernds@redhat.com>
2994 * doloop.c (doloop_modify_runtime): Properly compute number of
2995 iterations if loop was unrolled.
2997 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
2998 if their CSELIB_VAL_PTRs are.
3000 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
3001 (setup_spill_pointers): Initialize it.
3002 (spill_restore_mem): Set it.
3003 (do_spill, do_restore): Use it to add REG_INC note.
3004 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
3006 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
3007 asms if other insns are available.
3009 * config/ia64/ia64.c (condop_operator): New predicate.
3010 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
3011 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
3014 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
3015 temporary register than directly using a MEM.
3017 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
3019 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
3020 parameter in last change.
3022 2001-08-04 Zack Weinberg <zackw@panix.com>
3024 * sparc.md: Don't use #if inside C test expression.
3026 2001-08-04 Richard Henderson <rth@redhat.com>
3028 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
3030 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
3032 * cpphash.h (struct cpp_reader): New member directive_line.
3033 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
3034 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
3035 do_pragma): Pass line to callbacks.
3036 (start_directive): Record line of directive.
3037 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
3038 cb_include): Similarly.
3039 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
3042 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
3044 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
3047 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3049 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
3051 * reload1.c (fixup_abnormal_edges): New static function.
3054 * flow.c (need_fake_edge_p): New function.
3055 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
3056 avoid call insn to be very last insn in the insn stream.
3058 * profile.c (branch_prob): Call flow_call_edges_add instead of
3059 doing that by hand; cleanup cfg to re-merge basic blocks once
3062 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3064 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
3065 are also on line-map.h.
3066 * cppfiles.c (stack_include_file): Update.
3067 * cpphash.h (struct cpp_buffer): New member return_at_eof.
3068 (_cpp_pop_buffer): New.
3069 * cppinit.c (cpp_destroy, cpp_finish): Update.
3070 (do_includes): Mark each buffer to return at EOF.
3071 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
3072 return as requested.
3073 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
3074 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
3075 * cpplib.h (cpp_pop_buffer): Remove.
3076 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
3077 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
3079 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
3081 (do_preprocessing): Update.
3082 * fix-header.c (read_scan_file): Update. No need to pop buffers.
3083 * c-parse.in (_yylex): Similarly.
3084 * scan-decls.c (scan_decls): Similarly.
3085 * line-map.h: Update comments.
3087 * objc/Make-lang.in (objc-act.o): Update dependencies.
3089 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3091 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
3092 and soft register for operand 0.
3093 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
3095 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3097 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
3098 register for operand 0.
3099 ("bitcmpqi_z_used"): Allow memory for operand 0.
3100 (split "bitcmpqi"): New split to handle address reg as operand 1.
3102 2001-08-04 Andreas Jaeger <aj@suse.de>
3104 * gcse.c: Revert Daniel's last patch.
3106 2001-08-03 Zack Weinberg <zackw@stanford.edu>
3108 * sparc-protos.h: Add prototypes for fp_zero_operand and
3110 * sh-protos.h: Add prototype for fpul_operand.
3112 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
3114 * doc/extend.texi (Other Builtins): Fix typo in last change.
3116 2001-08-03 Richard Henderson <rth@redhat.com>
3118 * target.h (gcc_target): Add asm_out.named_section,
3119 section_type_flags, have_named_sections.
3120 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
3121 (TARGET_HAVE_NAMED_SECTIONS): New.
3122 (TARGET_SECTION_TYPE_FLAGS): New.
3124 * Makefile.in (toplev.o): Depend on TARGET_H.
3125 (varasm.o, dbxout.o): Likewise.
3126 * c-common.c (decl_attributes): Check targetm.have_named_sections
3127 instead of ifdef ASM_OUTPUT_SECTION_NAME.
3128 * dbxout.c (dbxout_function_decl): Likewise.
3129 (dbxout_function_end): Likewise.
3130 * toplev.c (compile_file): Likewise.
3131 * varasm.c (exception_section): Likewise.
3132 * cp/decl2.c (finish_objects): Likewise.
3134 * defaults.h (EH_FRAME_SECTION): Remove.
3135 (EH_FRAME_SECTION_ASM_OP): Remove.
3136 (EH_FRAME_SECTION_NAME): New.
3137 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
3138 (UNIQUE_SECTION_P): Remove.
3139 * dwarf2out.c (SECTION_FORMAT): Remove.
3140 (ASM_OUTPUT_SECTION): Remove.
3141 (output_call_frame_info): Use named_section_flags.
3142 (output_comp_unit, dwarf2out_start_source_file): Likewise.
3143 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
3144 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
3145 * varasm.c (in_eh_frame, eh_frame_section): Remove.
3146 (named_section_flags): New.
3147 (named_section): Use it and targetm.section_type_flags.
3148 (resolve_unique_section): New.
3149 (assemble_start_function): Use it.
3150 (asm_emit_uninitialised, assemble_variable): Likewise.
3151 (default_section_type_flags): New.
3152 (default_no_named_section, default_elf_asm_named_section): New.
3153 (default_coff_asm_named_section, default_pe_asm_named_section): New.
3154 * output.h: Update varasm.c decls.
3155 (SECTION_*): New flags.
3157 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
3158 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
3160 * config/elfos.h (UNIQUE_SECTION_P): Remove.
3161 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
3162 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
3163 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
3164 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
3165 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
3166 * config/mips/elf.h, config/mips/elf64.h: Likewise.
3167 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
3168 * config/pa/pa64-hpux.h,
3170 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
3171 (TARGET_ASM_NAMED_SECTION): New.
3172 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
3173 * config/alpha/vms.h, config/arm/coff.h: Likewise.
3174 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
3175 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
3176 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
3177 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
3178 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
3179 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
3180 * config/i386/sco5.h, config/i386/win32.h: Likewise.
3181 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
3182 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
3183 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
3184 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
3185 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
3186 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
3187 * config/sparc/sysv4.h: Likewise.
3189 * config/nextstep.h: Error until named sections implemented.
3191 * config/a29k/a29k.c (a29k_asm_named_section): New.
3192 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
3193 (vms_section_type_flags, vms_asm_named_section): New.
3194 * config/arm/arm.c (arm_elf_asm_named_section): New.
3195 * config/avr/avr.c (asm_output_section_name): Remove.
3196 * config/avr/avr-protos.h: Update.
3197 * config/c4x/c4x.c (c4x_asm_named_section): New.
3198 * config/h8300/h8300.c (h8300_asm_named_section): New.
3199 * config/i386/i386.c (sco_asm_named_section): New.
3200 * config/i386/winnt.c (SECTION_PE_SHARED): New.
3201 (i386_pe_section_type_flags): New.
3202 (i386_pe_asm_named_section): New.
3203 * config/i386/i386-protos.h: Update.
3204 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
3205 * config/mcore/mcore.c (mcore_asm_named_section): New.
3206 * config/mips/mips.c (iris6_asm_named_section): New.
3207 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
3208 instead of UNIQUE_SECTION_P.
3209 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
3210 (xcoff_asm_named_section): New.
3211 * config/sh/sh.c (sh_asm_named_section): New.
3212 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
3214 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
3215 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
3216 (EH_FRAME_SECTION_NAME): New.
3217 (EXCEPTION_SECTION): New.
3218 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
3219 (DEBUG_*_SECTION): Remove.
3220 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
3221 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
3222 (EH_FRAME_SECTION_ASM_OP): Remove.
3224 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
3225 (ASM_OUTPUT_SECTION_NAME): Remove.
3226 (TARGET_ASM_NAMED_SECTION): New.
3227 (TARGET_HAVE_NAMED_SECTIONS): New.
3228 (TARGET_SECTION_TYPE_FLAGS): New.
3229 (EH_FRAME_SECTION_ASM_OP): Remove.
3230 (EH_FRAME_SECTION_NAME): New.
3232 2001-08-03 Zack Weinberg <zackw@stanford.edu>
3234 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
3235 for complex expressions when cfun == 0.
3236 * doc/extend.texi: Document that __builtin_constant_p can be
3237 used in data initializers as well as functions.
3239 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
3241 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
3242 variable I locally, instead of expecting a declaration in the
3245 2001-08-03 Richard Henderson <rth@redhat.com>
3247 * except.c (collect_one_action_chain): Add an explicit cleanup
3248 action if regions surrounding a catch were encoded entirely
3249 within the call-site entry.
3251 2001-08-03 Richard Henderson <rth@redhat.com>
3253 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
3254 don't take REGNO of a non-register.
3256 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3258 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
3259 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
3260 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
3261 (__gthread_mutex_init_function): New function for mutex initialization.
3263 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
3265 * Makefile.in: Revert screwed up commit.
3267 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3269 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
3270 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
3271 merged by linker script to get a final _exit().
3272 (__do_global_dtors): New for destructor handling in specific exit
3274 (__do_global_ctors): New for constructors in specific install section.
3275 (__map_data_section): Map data sections before running constructors.
3276 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
3277 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
3278 (DTORS_SECTION_ASM_OP): Likewise.
3279 (CTORS_SECTION_FUNCTION): Define to force a reference to
3281 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
3283 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
3285 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
3287 * Makefile.in: Add df.h to gcse.c dependencies.
3289 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3291 * varasm.c (output_constant_def_contents): Use for the length of a
3292 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
3293 depending on which is larger.
3295 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
3297 * gcse.c: Include df.h for use as a dataflow analyzer.
3299 Declaration of reg_set_info: gone.
3300 New df_analyzer variable used by store motion.
3301 (reg_set_info): Deleted.
3302 (mark_mem_regs): New function, analyze regs used by a mem.
3303 (store_ops_ok): Use dataflow analyzer results to determine if
3304 necessary regs are changed in the block.
3305 (find_moveable_store): Remove check for symbol ref, we can handle
3306 much more complex expressions now.
3307 (compute_store_table): Remove most of the code, it's unnecessary
3308 now that the dataflow analyzer records the info for us.
3309 (store_killed_after): Add parameter to say whether to do the
3310 store_ops_okay test, used to speed up testing when we already know
3311 the answer, and just want to know if the store itself was killed.
3312 (build_store_vector): Largely rewritten to calculate the various
3313 vectors properly, and somewhat optimized.
3314 (store_motion): Init the df_analyzer, get REG_DEF chains.
3315 Also handle trapping expressions (since mems almost always trap)
3316 (simple_mem): Redefine what a simple mem is.
3318 2001-08-03 DJ Delorie <dj@redhat.com>
3320 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
3321 set from a constant part of the condition.
3323 2001-08-01 Andrew Cagney <ac131313@redhat.com>
3325 * mkdeps.c (deps_add_default_target): Make local variable
3326 ``start'' a const char pointer.
3327 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
3329 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3331 * doc/install.texi (Configuration): Fix markup.
3332 (Specific, i?86-*-udk): Likewise.
3333 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
3335 Document --enable-threads and --enable-libgcj status.
3336 (Specific, mips-sgi-irix*): Canonicalize triples.
3337 (Specific, mips-sgi-irix5): Warn about problems with this config.
3338 Mention required GNU as patch.
3339 Native assembler problems are fixed.
3340 (Specific, mips-sgi-irix6): Update O32 ABI support status.
3341 Document --enable-threads and --enable-libgcj status.
3343 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
3345 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
3348 2001-08-03 Richard Henderson <rth@redhat.com>
3350 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
3353 2001-08-03 Richard Henderson <rth@redhat.com>
3355 * rtlanal.c (find_first_parameter_load): Stop if we
3356 reach a CODE_LABEL at BOUNDARY.
3358 2001-08-03 Richard Henderson <rth@redhat.com>
3360 * config/alpha/alpha.md (force_movdi): New insn.
3361 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
3362 Tweek FRP marking of VMS prologue insns.
3363 * config/alpha/vms.h (EPILOGUE_USES): New.
3365 2001-08-02 Richard Henderson <rth@redhat.com>
3367 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
3369 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
3371 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
3372 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
3373 config/convex/convex.h, config/d30v/d30v.c,
3374 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
3375 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
3376 config/mips/mips.h, config/mn10200/mn10200.h,
3377 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
3378 config/v850/v850.h, config/vax/openbsd.h,
3379 config/vax/openbsd1.h, config/vax/ultrix.h,
3380 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
3381 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
3382 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
3383 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
3384 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
3385 in comments and documentation.
3387 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3391 * Makefile.in (line-map.o): New.
3392 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
3393 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
3394 * cpperror.c (print_containing_files): Similarly.
3395 (print_location): Update. Don't output a space before _Pragma.
3396 * cppfiles.c (stack_include_file): Set to line 1 immediately.
3397 (stack_include_filee, cpp_make_system_header): Update.
3398 (_cpp_execute_include): Get logical line number right for calling
3399 as-yet-unterminated #include.
3400 * cpphash.h (struct cpp_reader): Add line_maps.
3401 (_cpp_do_file_change): Update.
3402 * cppinit.c (cpp_create_reader): Initialize line maps.
3403 (cpp_destroy): Destroy line maps.
3404 (cpp_start_read): Get logical line number right.
3405 * cpplex.c (parse_string): Only warn once for multi-line strings.
3406 Use boolean variable for null warning.
3407 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
3409 (do_include_common): End the directive early.
3410 (do_line): Don't warn about out-of-range lines in preprocessed
3411 source. Update. Remove unused variables.
3412 (_cpp_do_file_change): Update for new line mapping.
3413 (pragma_cb): New typedef.
3414 (cpp_register_pragma): Stop looking ahead before calling the
3416 (do_pragma_system_header): End directive early.
3417 (cpp_get_line_maps): New.
3418 (cpp_pop_buffer): Fudge logical line. Update.
3419 * cpplib.h: Include line-map.h
3420 (enum cpp_fc_reason): Remove.
3421 (struct cpp_file_change): Update.
3422 (cpp_get_line_maps): New.
3423 * cppmain.c (struct_printer): New member map.
3424 (cb_file_change): Update for new mappings.
3425 * fix-header.c (cb_file_change): Similarly.
3427 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
3429 * Makefile.in (libgcc.mk): Define mkinstalldirs.
3430 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
3432 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
3434 * config/vax/vax.c: include expr.h.
3436 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
3438 * Makefile.in ($(srcdir)/configure): Only rebuild in
3440 ($(srcdir)/config.in): Only define in maintainer mode.
3441 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
3443 2001-08-02 David Edelsohn <edelsohn@gnu.org>
3445 * doc/install.texi (Install GCC: Binaries): Update Bull info.
3447 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3449 * gcc.c (set_collect_gcc_options): New function, split out from
3451 Ignore elided switches.
3452 (do_spec_1): Invoke before executing command.
3453 (set_input): Export.
3454 Move declaration ...
3455 * gcc.h (set_input): ... here.
3456 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3459 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
3462 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
3464 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
3466 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
3468 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
3469 for the unnamed instructions it expands to.
3471 2001-08-02 Richard Henderson <rth@redhat.com>
3473 * regclass.c (call_really_used_regs): Conditionally define.
3474 (init_reg_sets_1): Don't use it if not defined.
3475 (fix_register): Similarly, don't set it.
3477 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3479 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
3480 Correct comment that had been missed in the previous change.
3482 2001-08-01 Stan Shebs <shebs@apple.com>
3484 * config/darwin.c (machopic_stub_name): Try matching by name.
3485 (update_stubs): New function.
3486 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
3489 2001-08-01 Richard Henderson <rth@redhat.com>
3491 * except.c (output_function_exception_table): Use assemble_align.
3492 * varasm.c (assemble_eh_label): Remove.
3493 (assemble_eh_align, assemble_eh_integer): Remove.
3495 2001-08-01 Robert Lipe <robertl@caldera.com>
3497 * dwarfout.c: Remove reference to README.DWARF.
3499 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
3501 * regclass.c (call_really_used_regs): New array for registers which
3502 are actually used by a call.
3503 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
3505 (fix_register): Set call_really_used too.
3506 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
3507 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
3509 2001-08-01 Richard Henderson <rth@redhat.com>
3511 * read-rtl.c (read_name): Consider \r whitespace.
3513 2001-07-11 Andrew Cagney <ac131313@redhat.com>
3515 * config.gcc: Recognize powerpc-*-netbsd*.
3517 * doc/install.texi (Host/target specific installation notes for
3518 GCC): Mention powerpc-*-netbsd*.
3520 * config/rs6000/netbsd.h: New file.
3521 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
3522 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
3523 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
3524 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
3525 (TARGET_VERSION): Redefine.
3527 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
3528 mcall-netbsd as a match for mcall-sysv.
3529 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
3530 (ncrti.S, ncrtn.S): New targets.
3531 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
3533 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
3534 "netbsd' as a V4 ABI.
3535 (ASM_SPEC): Check for -mcall-netbsd.
3536 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
3537 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
3538 (LIB_SPEC, ENDFILE_SPEC): Ditto.
3539 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
3540 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
3541 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
3542 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
3544 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
3545 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
3547 2001-08-01 Mark Kettenis <kettenis@gnu.org>
3549 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
3550 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
3551 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
3552 including "unwind-pe.h".
3554 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
3556 * rs6000.md (define_splits): Kill unused constraints.
3558 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
3559 Jan Hubicka <jh@suse.cz>
3561 * function.c (thread_prologue_and_epilogue_insns): Kill code
3562 dealing with non-existent CFG.
3564 2001-08-01 Kazu Hirata <kazu@hxi.com>
3566 * alias.c: Fix comment formatting.
3567 * bitmap.c: Likewise.
3568 * builtins.c: Likewise.
3569 * calls.c: Likewise.
3570 * c-common.c: Likewise.
3571 * c-decl.c: Likewise.
3572 * c-dump.c: Likewise.
3573 * c-lex.c: Likewise.
3574 * collect2.c: Likewise.
3575 * combine.c: Likewise.
3576 * conflict.c: Likewise.
3577 * cppfiles.c: Likewise.
3578 * cppinit.c: Likewise.
3579 * cpplex.c: Likewise.
3580 * cpplib.c: Likewise.
3581 * cppmacro.c: Likewise.
3582 * cppspec.c: Likewise.
3583 * c-pragma.c: Likewise.
3584 * crtstuff.c: Likewise.
3586 * cselib.c: Likewise.
3587 * c-semantics.c: Likewise.
3588 * c-typeck.c: Likewise.
3590 2001-08-01 H.J. Lu <hjl@gnu.org>
3592 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
3594 2001-08-01 H.J. Lu <hjl@gnu.org>
3596 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
3598 2001-08-01 Ziemowit Laski <zlaski@apple.com>
3600 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
3601 contextualizing Objective-C class name lookup by the lexer.
3602 (typespec_reserved_nonattr): Disable ObjC class name lookup after
3604 (protocoldef): Add support for forward @protocol declarations.
3605 (yylexname): Suppress ObjC class name lookup in certain contexts;
3606 re-enable after lookup is complete.
3607 (_yylex): Re-enable ObjC class name lookup when certain
3608 punctuation marks are seen.
3610 * objc/objc-act.c (check_protocol_recursively): New function used
3611 for finding circular dependencies in protocols.
3612 (objc_declare_protocols): New function for handling forward
3613 @protocol declarations.
3614 (receiver_is_class_object): Detect the case when 'self' is used
3615 inside of a class method.
3616 (build_message_expr): Issue a warning if class method is desired
3617 but instance method is found instead.
3618 (conforms_to_protocol): Streamline.
3619 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
3620 protocol Foo, even if 'Bar foo' does not.
3621 (check_protocols): Streamline.
3622 (start_protocol): Add checks for circular and duplicate protocol
3624 (encode_aggregate_within): For typedefs of structs, encode the
3626 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
3627 (objc_declare_protocols): New prototype.
3629 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3631 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
3632 * cpplex.c (handle_newline): Update prototype. Maintain logical
3634 (skip_escaped_newlines, skip_block_comment, parse_string):
3636 (_cpp_lex_token): Update, and store token position within the token.
3637 * cpplib.h (struct cpp_token): Add line and column entries.
3638 * cppmacro.c (replace_args): Position stringified tokens correctly.
3640 2001-08-01 Andreas Jaeger <aj@suse.de>
3642 * basic-block.h: Add prototype for last_loop_beg_note.
3644 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
3646 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
3647 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
3649 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
3650 while handling WITH_CLEANUP_EXPR node. Use second operand calling
3651 expand_decl_cleanup.
3652 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
3654 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
3655 operand while calling simple_cst_equal.
3656 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
3657 operand is the cleanup expression, the third is the RTL_EXPR.
3658 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
3660 2001-07-31 Jeff Sturm <jsturm@one-point.com>
3662 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
3664 2001-07-31 matthew green <mrg@eterna.com.au>
3666 * config.gcc (i386-*-netbsdelf): New description.
3667 * config/i386/netbsd-elf.h: New file.
3669 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
3671 * loop.c (check_dbra_loop): Use single_set to compute
3674 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
3676 PowerPC reorg and support for powerpc64-*-linux*.
3678 Also fixes emitting of constants on 32 bit and 64 bit
3681 * config.gcc: powerpc64-*-linux* is a new target.
3682 Things that needed aix.h now also include xcoff.h
3684 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
3686 Move AIX specific stuff into aix.h.
3687 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
3688 with more than just XCOFF now.
3689 (SET_ASM_OP): Remove, now defined where needed.
3690 (FUNCTION_PROLOGUE): New macro definition.
3691 (FUNCTION_EPILOGUE): New macro definition.
3692 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
3694 * config/rs6000/xcoff.h: New file.
3696 * config/rs6000/linux64.h: New file.
3698 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
3700 2001-07-31 Alan Modra <amodra@bigpond.net.au>
3702 * rs6000.c (print_operand_address): Handle ELF syntax.
3703 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
3704 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
3705 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
3707 2001-07-31 David Edelsohn <edelsohn@gnu.org>
3709 * rs6000.c (rs6000_override_options): Only disable
3710 flag_function_sections for XCOFF.
3711 (exact_log2_cint_operand): New predicate.
3712 (reg_or_{add,sub}_cint64_operand): New predicates.
3713 (add_operand): Compare CONST_INT with fewer function calls.
3714 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
3715 (print_operand, case 'p'): Ensure positive operand.
3716 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
3717 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
3718 (PREDICATE_CODES): Add new predicates.
3719 * rs6000.md (addsi3): Split 32-bit constants more correctly.
3720 (divsi3, modsi3): Ensure positive power-of-2.
3721 (adddi3): Use new predicate. Split 32-bit constants more
3722 correctly. Re-arrange splitter to handle any constant.
3723 (subdi3): Use new predicate.
3724 (divdi3, moddi3): Ensure positive power-of-2.
3725 (movdi): Use rs6000_emit_set_const.
3726 (load_toc_v4_pic_di): Delete.
3728 2001-07-31 Graham Stott <grahams@redhat.com>
3730 * function.c (pad_below): Revert 2001-07-26 patch.
3732 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3734 * reg-stack (convert_regs_1): Fix best edge condition.
3736 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3738 * jump.c (duplicate_loop_exit_test): Better test for jumps
3739 entering the loop; create loop pre_header.
3741 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
3743 * doc/install.texi: Add s390 and s390x as new targets.
3744 * doc/invoke.texi: Add documantation of S/390 and zSeries
3746 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
3748 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
3750 * config/m68k/m68k.md: Replace all general_operand with
3751 nonimmediate_operand for all destinations.
3752 * config/m68k/m68k.c (not_sp_operand): Likewise.
3754 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
3756 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
3758 2001-07-30 Richard Henderson <rth@redhat.com>
3760 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
3761 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
3763 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
3765 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
3766 Add missing doc strings
3767 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
3768 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
3770 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
3772 * i386.c (ix86_output_main_function_alignment_hack): New function.
3773 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
3775 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
3776 edges by EDGE_DFS_BACK flag.
3777 (dump_edge_info): Add dfs_back flag.
3778 * basic-block.h (EDGE_DFS_BACK): New constant.
3779 (mark_dfs_back_edges): Declare.
3780 * alias.c (loop_p): Remove.
3781 (mark_constant_function): Use mark_dfs_back_edges.
3783 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
3784 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
3785 (compensate_edge): Break out from ...
3786 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
3787 (convert_regs_2): Set block_done once block is really done;
3788 Do updating of the predecesors counts.
3790 * toplev.c (rest_of_compilation): Recompute block_for_insn
3791 before post-reload cfg_cleanup.
3792 * function.c (thread_prologue_epilogue_insns):
3793 Call set_block_for_new_insns when emitting prologue directly.
3795 2001-07-30 Andreas Jaeger <aj@suse.de>
3797 * jump.c: Add prototype for mark_modified_reg.
3799 * cse.c (set_live_p): Add unused attribute.
3801 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
3803 (scan_for_source_files): Use long for count to avoid overflow.
3804 (output_data): Likewise.
3805 (output_data): Don't use string concatatenation to silence gcc
3808 * predict.c: Fix typos and grammar.
3810 * gcse.c (insert_insn_end_bb): Remove unused variables.
3812 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
3814 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
3815 (attempt_auto_inc): LIkewise.
3816 (mark_used_reg): Likewise.
3817 (try_pre_increment_1): Likewise.
3818 * regclass.c (regclass): Likewise.
3819 * global.c (allocno_compare): Update comment; change scaling factor.
3820 * local-alloc.c (QTY_CMP_PRI): Likewise.
3821 * regs.h (REG_FREQ_FROM_BB): New.
3822 (REG_FREQ_MAX): Likewise.
3824 2001-07-30 H.J. Lu <hjl@gnu.org>
3826 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
3829 2001-07-30 H.J. Lu (hjl@gnu.org)
3831 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
3832 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
3833 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
3835 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
3837 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
3838 as -mthumb-interwork when -mcpu=arm7 is specified.
3840 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3842 * predict.def (noreturn, loop branch, loop exit): Mark as first
3845 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
3847 * combine.c (try_combine): Avoid barrier after noop jumps.
3849 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3851 * cpphash.h (struct cpp_reader): Remove import_warning.
3852 * cpplib.c (skip_rest_of_line): Don't bother turning off
3854 (parse_include): Move include handling to...
3855 (do_include_common): ... here. Move import warning from...
3856 (do_import): ... here.
3857 (do_pragma_poison): Don't do a callback for poison identifiers.
3858 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
3859 * cppmain.c (setup_callbacks): Similarly.
3861 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3863 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
3864 handle multiple sets.
3865 * except.c (sjlj_mark_call_sites): .... here.
3866 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
3868 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3870 Suggested by Richard Henderson and Richard Kenner:
3871 * combine.c (recog_for_combine): Use the fake recog
3872 only if instruction does not match.
3873 * rtl.h (NOOP_MOVE_INSN_CODE): New.
3874 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
3876 * combine.c (try_combine): Discover noop jump as direct jump.
3878 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
3880 * df.c (df_rd_global_compute): Add successors to worklist, not
3882 (df_ru_global_compute): Ditto.
3884 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
3886 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
3887 increment REG_N_SETS.
3889 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
3891 * sbitmap.h: New prototype for sbitmap_a_xor_b.
3893 * sbitmap.c (sbitmap_a_xor_b): New function.
3894 ifdef the basic block stuff on IN_GCC.
3896 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3898 * cppexp.c (parse_defined): Always record the macro name.
3899 (lex): Don't worry about identifiers, or special-case
3901 (_cpp_parse_expr): Figure out at the end of the routine
3902 whether we saw a valid !defined() expression.
3903 * cppfiles.c (stack_include_file): Update for mi_valid.
3904 (_cpp_pop_file_buffer): Similarly.
3905 * cpplex.c (_cpp_lex_token): Similarly.
3906 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
3907 mi_if_not_defined, mi_lexed): Remove.
3909 * cpplib.c (do_if): Simplify.
3910 (do_endif, push_conditional, _cpp_handle_directive): Update
3911 for renaming of mi_state to mi_valid.
3913 * cpp.texi: Add index entries for digraphs, and add comment
3914 that C++ refers to them as alternative tokens.
3916 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
3918 * basic-block.h (CLEANUP_PRE_LOOP): New.
3919 * except.c (finish_eh_generation): Update call of cleanup_cfg.
3920 * sibcall.c (optimize_sibling_calls): Likewise.
3921 * toplev.c (rest_of_compilation): Likewise.
3922 * flow.c (try_forward_edges): Take argument MODE;
3923 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
3924 (try_optimize_cfg): Update call of try_forward_edges.
3926 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
3927 Jan Hubicka <jh@suse.cz>
3929 * (validate_replace_rtx_1): Fix simplification of MINUS.
3931 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
3933 PR preprocessor/3669
3934 * cppinit.c (init_dependency_output): Turn off dump requests
3935 if sending dependencies to stdout.
3937 2001-07-28 Richard Henderson <rth@redhat.com>
3939 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
3942 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
3944 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
3946 2001-07-28 Kazu Hirata <kazu@hxi.com>
3948 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
3949 is VAR_DECL first to prevent an ICE.
3951 2001-07-28 Richard Henderson <rth@redhat.com>
3953 * varasm.c (immed_real_const_1): Don't elide special cases for
3955 (clear_const_double_mem): Clear const_tiny_rtx too.
3957 2001-07-28 Richard Henderson <rth@redhat.com>
3959 * dwarf2out.c (dw_val_class_offset): New.
3960 (struct dw_ranges_struct, dw_ranges_ref): New.
3961 (ranges_table, ranges_table_allocated): New.
3962 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
3963 (add_AT_offset, add_ranges, output_ranges): New.
3964 (print_die, output_die): Handle dw_val_class_offset.
3965 (attr_checksum, size_of_die, value_format): Likewise.
3966 (gen_lexical_block_die): Handle non-contiguous blocks.
3967 (gen_block_die): Likewise.
3968 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
3969 if needed. Dump the ranges table.
3970 * final.c (final_start_function): Remove unnecessary notes and
3971 rebuild the block tree before numbering the blocks.
3972 * function.c (reorder_blocks_0): Walk the existing block tree
3973 to unmark all blocks.
3974 (reorder_blocks_1): Create block fragments when duplicate block
3976 (reorder_fix_fragments): New.
3977 (reorder_blocks): Call it.
3978 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
3980 2001-07-28 Richard Henderson <rth@redhat.com>
3982 * emit-rtl.c (adjust_address): Make a copy of the memory address.
3984 2001-07-28 Richard Henderson <rth@redhat.com>
3986 * flow.c (add_to_mem_set_list): New function.
3987 (init_propagate_block_info): Use it.
3988 (mark_set_1): Likewise.
3989 (insn_dead_p): Canonicalize memory address for dead store
3990 comparison. Allow wider mode stores to kill narrower mode stores.
3991 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
3992 (invalidate_mems_from_set): Don't handle MEMs.
3994 2001-07-28 Kazu Hirata <kazu@hxi.com>
3996 * config/h8300/h8300.h: Fix formatting.
3998 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
4000 * basic-block.h (EDGE_FREQUENCY): New macro.
4001 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
4003 * flow.c (find_sub_basic_blocks): Likewise.
4004 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
4005 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
4007 * predict.c (DEF_PREDICTOR): New argument FLAGS.
4008 (HITRATE): New macro.
4009 (PRED_FLAG_FIRST_MATCH): New constant.
4010 (predictor_info): New field flgags.
4011 (combine_predictions_for_insn): Use DS theory to combine
4012 probabilities; set the edge probabilities when finished.
4013 (estimate_probability): Avoid duplicated matches
4014 of LOOP_BRANCH heuristics for nested loops; update comment.
4015 * predict.def: Add flags for each prediction, set probabilities
4016 according to B&L paper.
4017 * predict.h (DEF_PREDICTOR): New argument FLAGS.
4019 * profile.c (compute_branch_probabilities): Cleanup way the edge
4020 probabilities are computed and REG_BR_PROB notes are dropped; if
4021 values does not match, emit error.
4022 (init_branch_prob): Do error instead of warning when profile driven
4023 feedback is missing or corrupt.
4025 2001-07-27 DJ Delorie <dj@redhat.com>
4027 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
4028 against a constant, try to adjust the compare to have the desired
4029 constant in it so that min/max optimizations happen more often.
4031 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4033 * flow.c (last_loop_beg_note): New function.
4034 (redirect_edge_and_branch): Use it.
4035 (split_edge): Likewise.
4037 * alias.c (loop_p): Avoid uninitialized memory access.
4039 * flow.c (try_forward_edges): Avoid accessing freed memory.
4041 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
4044 2001-07-26 Andrew Haley <aph@redhat.com>
4045 Joern Rennecke <amylaar@redhat.com>
4047 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
4048 (SUBTARGET_CPP_ENDIAN_SPEC): New.
4049 (SUBTARGET_CPP_SPEC): New.
4051 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
4052 (SUBTARGET_CPP_PTR_SPEC): New.
4053 (CPP_DEFAULT_CPU_SPEC): New.
4054 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
4055 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
4056 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
4057 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
4058 (SUBTARGET_CPP_SPEC): Define as an empty string.
4060 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4062 * doc/install.texi (Configuration): Properly link the host
4063 specific instructions also when generating HTML.
4065 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
4067 * flow.c (redirect_edge_and_branch_force): Test
4068 target->global_live_at_start.
4070 2001-07-26 Richard Henderson <rth@redhat.com>
4072 * simplify-rtx.c (avoid_constant_pool_reference): Export.
4073 * rtl.h (avoid_constant_pool_reference): Declare it.
4074 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
4075 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
4077 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
4079 * rtl.h (cleanup_barriers): Declare.
4080 * jump.c (cleanup_barriers): New function.
4081 * toplev.c (rest_of_compilation): Call cleanup_barriers
4082 before loop optimizer and after bb_reorder.
4084 * flow.c (back_edge_of_syntactic_loop_p): New.
4085 (split_edge): Use it.
4087 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4089 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
4091 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
4093 * cse.c (cse_process_notes): Replace any registers if the address
4096 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
4098 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
4099 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
4100 (propagate_block): Update prototype.
4101 * flow.c (update_life_info): Simplify the CFG and
4102 recalculate the global regs which are alive when
4103 removing dead code during a global update.
4104 (propagate_block): Return non-zero if an INSN is
4107 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4109 * Makefile.in (LIBICONV): Define.
4111 2001-07-26 Catherine Moore <clm@redhat.com>
4113 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
4114 of conditional to avoid tree checking errors.
4116 2001-07-26 Kazu Hirata <kazu@hxi.com>
4118 * regmove.c (regmove_optimize): Don't replace a reg with
4119 another reg of a different mode.
4121 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
4123 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
4124 limit length of dependancy flush list.
4125 * params.h (MAX_PENDING_LIST_LENGTH): Define.
4126 * sched-int.h (struct deps): Add pending_flush_length field.
4127 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
4128 has 1 element in it.
4129 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
4130 (sched_analyze): After a jump, if the pending memory flush list is too
4131 large, flush the pending lists.
4132 (init_deps): Initialize pending_flush_length to 0.
4133 * doc/invoke.texi (max_pending_list_length): Document parameter.
4135 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
4137 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
4138 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
4139 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
4141 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4143 * cpphash.h (struct_lexer_state): Delete was_skipping.
4144 Move skipping here from struct cpp_reader.
4145 * cpplex.c (parse_identifier): Update.
4146 (_cpp_lex_token): Don't skip tokens in a directive.
4147 * cpplib.c (struct if_stack): Update.
4148 (start_directive, end_directive): Don't change skipping state.
4149 (_cpp_handle_directive): Update.
4150 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
4151 (do_else, do_endif): Update; only check for excess tokens if not
4152 in a skipped conditional block.
4153 (push_conditional): Update for new struct if_stack.
4155 2001-07-26 Graham Stott <grahams@redhat.com>
4157 * function.c (locate_and_pad_parm): Also pad initial offset
4158 so that the total argument size also includes the padding.
4160 2001-07-26 Graham Stott <grahams@redhat.com>
4162 * gensupport.c (alter_output_for_insn): Correct enable checking failure
4163 change XSTR to XTMPL.
4165 (process_one_cond_exec): Likewise
4167 2001-07-25 Richard Henderson <rth@redhat.com>
4169 * varasm.c (assemble_variable): Create DECL_RTL before setting
4172 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
4174 * predict.c (estimate_probability): Avoid duplicated predictions.
4176 * loop.c (find_and_verify_loops): Grok multiple barriers.
4178 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4180 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
4182 * dbxout.c: Consistently use putc instead of fputc.
4183 (print_wide_int): New function; call instead of direct fprintf.
4184 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
4185 (dbxout_type_fields, dbxout_type_method_1): Likewise.
4186 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
4187 (print_int_cst_octal): Likewise.
4188 (print_octal): Show we wrote characters.
4189 (dbxout_type): Set have_used_extensions in more places.
4191 2001-07-25 Catherine Moore <clm@redhat.com>
4193 * config/v850/v850.c (v850_va_arg): Use addr
4194 instead of valist to build incr.
4196 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
4198 * flow.c (delete_dead_jumptables): New function.
4199 (life_analyzis): Call it.
4200 * bb-reorder.c (skip_insns_after_block): Handle contradictory
4203 2001-07-25 Richard Henderson <rth@redhat.com>
4205 * except.c (reachable_handlers): Handle a region being removed
4206 out from under a RESX.
4208 2001-07-25 Richard Henderson <rth@redhat.com>
4210 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
4211 swap GE/GT if it is an fp comparison.
4213 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
4215 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
4218 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
4220 * ssa.c (rename_insn_1): Do not wrap an assignment to a
4221 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
4224 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
4226 (visit_expression): When attempting to simplify an expression,
4227 retrieve any modes for arguments before they are simplified
4230 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
4231 Janis Johnson <janis@us.ibm.com>
4233 * stmt.c (expand_goto): A nonlocal goto can be a call too.
4234 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
4235 pointer parameters to match documented usage of nonlocal_goto.
4236 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
4237 parameters to their correct order.
4238 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
4239 parameters to their correct order.
4241 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
4243 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
4245 2001-07-25 Jan Hubicka <jh@suse.cz>
4246 Richard Henderson <rth@redhat.com>
4248 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
4250 (make_edges): New argument update_p; populate the edge cache if set.
4251 (find_basic_blocks): Update make_edges invocation.
4253 2001-07-24 Joel Sherrill <joel@OARcorp.com>
4255 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
4257 2001-07-24 Joel Sherrill <joel@OARcorp.com>
4259 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
4260 -Acpu and -Amachine.h.
4261 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
4262 Corrected header to say ELF not a.out.
4263 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
4264 when given -msoft-float.
4266 2001-07-24 Joel Sherrill <joel@OARcorp.com>
4268 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
4269 extra multilib parts like arm-elf.
4270 (i960-*-coff*, i960-*-rtems): Should not use collect2.
4271 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
4272 crtfini.o as extra multilib parts.
4274 2001-07-24 Joel Sherrill <joel@OARcorp.com>
4276 * configure.in: Add rtems as a supported thread model.
4277 * gthr-rtems.h: Add missing entry point __gthread_active_p.
4278 * configure: Rebuilt.
4280 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
4282 * stor-layout.c (get_mode_alignment): make it work when
4283 BITS_PER_UNIT is not a power of two.
4284 * builtins.c (get_pointer_alignment): Likewise.
4286 2001-07-24 Richard Henderson <rth@redhat.com>
4288 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
4289 the retrieved constant into the expected mode.
4291 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4293 * flow.c (try_simplify_condjump): Avoid duplicated edges.
4294 (verify_flow_info): Check for duplicated edges; clarify
4297 * flow.c (block_label): Update basic_block_for_insn.
4298 (commit_edge_insertions): Call compute_bb_for_insn.
4300 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
4303 * flow.c (redirect_edge_and_branch,
4304 try_optimize_cfg): Use redirect_edge_succ_nodup
4305 (redirect_edge_succ_nodup): New.
4306 * basic_block.h (redirect_edge_succ_nodup): Declare.
4308 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
4311 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
4313 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
4314 (try_crossjump_to_edge): Update commetns.
4315 (try_crossjump_bb): Likewise.
4317 2001-07-24 Richard Henderson <rth@redhat.com>
4319 * combine.c (distribute_notes): Move set of need_refresh
4320 for noop_move_p down to catch all cases.
4322 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
4324 * recog.c (split_all_insns_noflow): New.
4325 * rtl.h (split_all_insns_noflow): Declare.
4326 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
4327 * m68hc11.c (m68hc11_reorg): Likewise.
4328 * sh.c (machine_dependent_reorg): Likewise.
4329 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
4332 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
4334 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
4335 (ashlsi3_n splitter): Likewise.
4336 (lshrsi3_n splitter): Likewise.
4338 (GOTaddr2picreg): Make const SImode.
4339 (sym_label2reg): Likewise.
4340 (symGOT2reg): Likewise.
4341 (symGOTOFF2reg) Likewise.
4343 (casesi_worker_0): Make unspec SImode.
4345 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
4347 * config/sh/sh.c (barrier_align): Check that an operand really is
4348 an insn before extracting its INSN_CODE.
4350 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
4352 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
4355 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
4356 for SImode to prevent overflow.
4358 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4360 * config/mips/irix6-libc-compat.c: New file.
4361 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
4362 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
4365 2001-07-24 lars brinkhoff <lars@nocrew.org>
4367 * rtl.texi (REG_POINTER): Document.
4368 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
4369 QFmode, HFmode, TQFmode, QCmode, and HCmode.
4371 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
4373 * flow.c (delete_noop_moves): Do not confuse libcall regions.
4375 2001-07-23 Richard Henderson <rth@redhat.com>
4377 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
4379 2001-07-23 Kazu Hirata <kazu@hxi.com>
4381 * config/h8300/h8300-protos.h: Add a prototype for
4382 general_operand_dst_push.
4383 * config/h8300/h8300.c (general_operand_dst_push): New.
4384 * config/h8300/h8300.h (OK_FOR_T): New.
4385 (EXTRA_CONSTRAINT): Use it.
4386 * config/h8300/h8300.md (movqi_push): Remove and integrate into
4387 the existing movqi pattern.
4388 (movhi_push): Likewise.
4390 * reload.c: Fix comment typos.
4392 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
4394 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
4396 2001-07-23 H.J. Lu (hjl@gnu.org)
4398 * doc/extend.texi: Update __builtin_return_address and
4399 __builtin_frame_address.
4401 2001-07-23 Richard Henderson <rth@redhat.com>
4403 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
4405 * config/i386/i386.md: New setcc+movzbl peephole2.
4407 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4409 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
4410 * objc/objc-act.c: Include debug.h.
4411 (synth_module_prologue): Save and restore debug hooks too.
4413 2001-07-23 lars brinkhoff <lars@nocrew.org>
4415 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
4416 and C4X_FLOAT_FORMAT.
4417 (BOOL_TYPE_SIZE): Document.
4419 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
4421 * unroll.c (loop_iterations): Fix miscalculation of initial
4424 2001-07-13 Andrew Haley <aph@redhat.com>
4426 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
4427 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
4428 * config/sh/sh.c (sh_can_redirect_branch): New function.
4429 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
4430 * reorg.c (steal_delay_list_from_target): Use
4431 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
4433 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4435 * flow.c (try_simplify_condjump): Unlink insn chain on
4436 fallthru edge; use can_fallthru.
4438 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4440 * basic-block.h (find_sub_basic_block): Declare.
4441 * flow.c (make_edges): New arguments MIN and MAX;
4442 (find_sub_basic_blocks): Revamp to use make_edges
4443 and purge_dead_edges.
4444 (find_basic_blocks): Update call of find_sub_basic_block.
4446 * recog.c (split_all_insns): Always expect CFG to be consistent;
4447 call find_sub_basic_blocks in case something has changed.
4448 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
4451 * basic-block.h (delete_noop_moves): Declare.
4452 * combine.c (combine_instructions): Call it.
4453 (recog_for_combine): Tolerate noop moves
4454 (distribute_notes): Force refresh when register dies at noop move.
4455 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
4457 (life_analysis): Update delete_noop_moves call.
4458 (set_noop_p): Move too ...
4459 * rtlanal.c (noop_move_p): ... here.
4460 * rtl.h (noop_move_p): Declare.
4462 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
4463 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
4465 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
4466 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
4468 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
4470 * reload.c (push_reload): Fix typo in comment.
4471 (find_reloads_address): Ditto.
4472 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
4474 2001-07-22 Richard Henderson <rth@redhat.com>
4476 * flow.c: Grammar check and clarify a lot of comments.
4477 (try_simplify_condjump): Rename variables to be clearer.
4478 (try_forward_edges): Skip complex and fallthru edges.
4479 Rearrange tests to avoid duplicate checks.
4480 (flow_find_cross_jump): Likewise.
4481 (outgoing_edges_match): Allow match if neither branch has
4482 probability data. Loosen probability match to 5%.
4483 (try_crossjump_to_edge): Hoist repeated indirection into
4485 (try_crossjump_bb): Don't check complex edges. Eliminate
4486 redundant crossjump tests.
4487 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
4488 checks before more expensive checks.
4490 2001-07-22 Richard Henderson <rth@redhat.com>
4492 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
4493 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
4496 2001-07-22 Richard Henderson <rth@redhat.com>
4498 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
4499 (const_sint32_operand): Likewise.
4500 * m68k.md (anon mulsi pattern): Use const_int_operand not
4501 const_sint32_operand.
4502 (umulsi3_highpart): Zero extend a constant input.
4503 (smulsi3_highpart): Don't bother checking SImode constant.
4504 (const_umulsi3_highpart): Give op3 DImode.
4505 (const_smulsi3_highpart): Likewise.
4507 2001-07-22 Richard Henderson <rth@redhat.com>
4509 * flow.c (split_block): Make sure bb_note is included in the
4510 new block when splitting before a label.
4512 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4514 * basic-block.h (redirect_edge_and_branch_force,
4515 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
4516 * flow.c (redirect_edge_and_branch_force,
4517 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
4518 (redirect_edge_and_branch_force): Fix copying of lifeness information.
4519 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
4520 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
4521 instead of label; update CFG after transformation.
4522 (find_if_case_1): Update call, use redirect_edge_and_branch_force
4523 for finishing the transformation; handle even case where ELSE
4524 does not follow THEN.
4525 (find_if_case_2): Update call of dead_or_predictable; simplify
4528 * emit-rtl.c (split_branch_probability): New global variable.
4529 (try_split): Take care to set split_branch_probability and
4530 create REG_BR_PROB note for new jump insns.
4531 * md.texi (define_split): Document new feature.
4533 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
4535 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
4537 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
4538 (asm_out_file): Remove redundant declaration.
4539 (assemble_asm): Remove old #if 0 block.
4540 (assemble_variable): Remove end of function; debug output is
4541 now handled with global_decl. Remove old #if 0 block. Update.
4542 Remove saved_in_section and associated no-op code.
4543 * Makefile.in (varasm.o): Correct dependencies.
4545 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
4547 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
4548 the definition in defaults.h.
4550 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
4552 * jump.c: Update comments.
4553 (delete_barrier_successors, delete_unreferenced_labels,
4554 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
4555 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
4556 jump_optimize, jump_optimize_minimal): Kill.
4557 (rebuild_jump_labels): Move code from jump_optimize_1.
4558 (purge_line_number_notes): Likewise.
4559 (copy_loop_headers): Likewise.
4560 * reg-stack.c: Update comment.
4562 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
4563 JUMP_AFTER_REGSCAN): Kill.
4564 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
4565 purge_line_number_notes and copy_loop_headers.
4567 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
4568 Richard Henderson <rth@redhat.com>
4570 * dbxout.c (dbxout_global_decl): New.
4571 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
4572 * sdbout.c (sdbout_finish): New.
4573 (sdbout_debug_hooks): Use it, add comments.
4574 (sdbout_global_decl): Defer initialised public vars to
4576 * varasm.c (assemble_variable): Don't output debug information
4577 for file-scope variables.
4579 2001-07-22 Richard Henderson <rth@redhat.com>
4581 * config/alpha/alpha.c (get_trap_mode_suffix): New.
4582 (get_round_mode_suffix): New.
4583 (print_operand): Use them for [/]. Remove support for [&'`()+].
4584 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
4585 * config/alpha/alpha.md (attr round_suffix): New.
4586 (attr trap_suffix): New.
4587 (all insns): Set them appropriately. Use %/ instead of the
4590 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4592 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
4594 2001-07-22 Richard Henderson <rth@redhat.com>
4596 * regrename.c (regrename_optimize): Compute nregs for each
4597 potential target register.
4599 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
4600 Richard Henderson <rth@redhat.com>
4602 * dbxout.c (dbxout_global_decl): New.
4603 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
4604 * sdbout.c (sdbout_finish): New.
4605 (sdbout_debug_hooks): Use it, add comments.
4606 (sdbout_global_decl): Defer initialised public vars to
4608 * varasm.c (assemble_variable): Don't output debug information
4609 for file-scope variables.
4611 2001-07-21 H.J. Lu (hjl@gnu.org)
4613 * config/mips/mips.c (mips_cpu): Moved into ...
4614 (override_options): Here.
4616 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
4618 (mips_cpu): Removed.
4620 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4622 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
4623 ("iorqi3"): Likewise.
4624 ("xorqi3"): Likewise.
4625 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
4626 ("*subhi3_sp): Likewise.
4627 ("*subhi3"): Likewise.
4628 ("extendhisi2"): Accept D, X and Y as source operand to avoid
4631 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
4633 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
4634 * config/freebsd.h: Likewise.
4635 * config/linux.h: Likewise.
4636 * config/openbsd.h: Likewise.
4637 * config/alpha/linux-elf.h: Likewise.
4638 * config/arm/linux-elf.h: Likewise.
4639 * config/d30v/d30v.h: Likewise.
4640 * config/fr30/fr30.h: Likewise.
4641 * config/ia64/aix.h: Likewise.
4642 * config/ia64/ia64.h: Likewise.
4643 * config/mips/linux.h: Likewise.
4644 * config/pj/pj.h: Likewise.
4645 * config/rs6000/linux.h: Likewise.
4646 * config/sparc/linux.h: Likewise.
4647 * config/sparc/linux64.h: Likewise.
4649 2001-07-20 Bruce Korb <bkorb@gnu.org>
4651 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
4652 because getc() and char* may disagree on signedness.
4654 2001-07-20 Richard Henderson <rth@redhat.com>
4656 * doc/rtl.texi (REG_DEAD): Update for current semantics.
4658 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
4659 insns to delete in the presence of cc0 in a jump insn.
4661 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
4662 Jan Hubicka <jh@suse.cz>
4664 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
4665 of doing the change by hand.
4667 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
4669 * rtlanal.c (set_noop_p): Return true for noop jumps.
4671 * expr.c (emit_single_push_insn): Add call to push expander.
4672 * expr.h (optab_index): Add OTI_push
4673 (push_optab): New constant.
4674 * genopinit.c (optabs): Add push_optab.
4675 * optabs.c (init_optab): Init push optab.
4676 * md.texi (push??1): Document
4678 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4680 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
4681 expand to emit the pattern; put a REG_INC note for push/pop
4683 ("movdf", "movdf_internal"): Likewise.
4684 ("movsi", "movsi_internal"): Likewise.
4685 ("movsf", "movsf_internal"): Likewise.
4686 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
4688 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4690 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
4693 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
4695 * params.def: Change default max inline insns to 100.
4697 2001-07-20 Diego Novillo <dnovillo@redhat.com>
4699 * combine.c (combine_simplify_rtx): Generate a new shift operation
4700 when simplifying the first operand of a (neg (ashift)) expression.
4702 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4704 * regclass.c (N_REG_INTS): Use only 32 bits per element.
4706 2001-07-20 Kelley Cook <kelley.cook@home.com>
4708 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
4709 information. Move rest into ...
4710 (*-*-solaris): ... here. Eliminate redundant information and
4711 reword necessary packages section. Delete 4.x assembler bug info.
4712 (sparc-sun-*): Merge into ...
4713 (sparc-sun-sunos*): here.
4715 2001-07-20 Catherine Moore <clm@redhat.com>
4717 * config/v850/v850.md (casesi): Generate LABEL_REF
4720 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
4722 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
4723 * i386.c (ix86_zero_extend_to_Pmode): Make global.
4724 * i386.md (strclrsi expander): Use it.
4726 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4728 * integrate.c (copy_insn_list): handle
4729 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
4730 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
4731 identically as to CODE_LABEL.
4733 * fold-const (fold): Convert A/B/C to A/(B*C) and
4736 * except.c (connect_post_landing_pads): Delete the RESX insns.
4738 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
4740 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
4742 * config/mips/mips.md (nmadd/nmsub): Use macro.
4744 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
4746 * cppinit.c (remove_dup_dir): Make static.
4747 (remove_dup_dirs): Make static. Only warn about preempting a
4748 system directory with a non-system directory.
4750 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
4752 * ifcvt.c (noce_try_store_flag_constants): Correct order
4753 of parameters to trunc_int_for_mode.
4755 2001-07-19 Mark Mitchell <mark@codesourcery.com>
4757 * reorg.c (fill_simple_delay_slots): If an instruction might throw
4758 an exception that will be caught within this function, do not fill
4759 its delay slot with any subsequent instruction.
4761 2001-07-19 Steve Ellcey <sje@cup.hp.com>
4763 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
4764 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
4765 pointer extension instruction.
4766 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
4767 * simplify-rtx.c (simplify_unary_operation) Likewise.
4768 * explow.c (convert_memory_address) Check value of
4769 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
4771 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
4772 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
4773 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
4774 Add Multilib Support.
4775 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
4776 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
4777 Add Multilib Support.
4778 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
4780 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
4781 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
4782 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
4784 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
4786 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
4787 old and new operands in `<', `3' and `b'.
4789 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
4791 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
4792 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
4793 (toplev.o): Don't depend on xcoffout.h.
4794 * c-decl.c: Include debug.h
4795 (duplicate_decls): Use debug hook.
4796 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
4797 (dbx_debug_hooks, xcoff_debug_hooks): Update.
4798 (dbxout_types): Remove.
4799 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
4800 * debug.c (do_nothing_debug_hooks): Update.
4801 (debug_true_tree, debug_nothing_rtx): New.
4802 * debug.h (struct rtx_def): New.
4803 (struct gcc_debug_hooks): New hooks ignore_block,
4804 outlining_inline_function and label.
4805 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
4806 dwarf2out_frame_finish): New.
4807 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
4808 Make static, update prototype.
4809 (dwarf2_debug_hooks): Update.
4810 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
4811 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
4812 * dwarfout.c (dwarf_debug_hooks): Update.
4813 * emit-rtl.c: Include debug.h.
4814 (remove_unnecessary_notes): Use debug hook.
4815 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
4816 (final_scan_insn): Use debug hook.
4817 * integrate.c (output_inline_function): Use debug hook.
4818 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
4819 (sdb_debug_hooks): Update.
4820 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
4821 * toplev.c: Don't include xcoffout.h.
4822 (note_outlining_of_inline_function, debug_ignore_block): Remove.
4823 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
4825 * tree.h (dwarf2out_do_frame): Remove.
4827 2001-07-19 Catherine Moore <clm@cygnus.com>
4829 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
4831 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
4833 * reload1.c (eliminate_regs_in_insn): When updating a set
4834 to the frame pointer to the hardware frame pointer, perform
4835 the update always not just when REPLACE is set.
4837 * reload1.c (choose_reload_regs): Don't inherit a reload
4838 that crosses multiple registers if registers past the first
4839 don't fit in the desired class.
4841 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
4842 when negating constants.
4844 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
4846 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
4847 * doc/tree.texi: Ditto.
4849 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
4850 Jakub Jelinek <jakub@redhat.com>
4852 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
4853 (extract_cie_info): Handle "eh" augmentation properly,
4855 (struct frame_state, __frame_state_for): New.
4857 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4859 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
4860 HANDLE_SYSV_PRAGMA): Define.
4861 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
4863 (copy_object): Caller changed.
4865 2001-07-19 Andreas Schwab <schwab@suse.de>
4867 * configure.in (assembler dwarf2 debug_line support): Define nop
4869 * configure: Regenerated.
4871 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
4873 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
4875 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
4876 to conditionally compiled block.
4877 (dbx_debug_hooks, xcoff_debug_hooks): Update.
4878 * dbxout.h (dbxout_function): Remove.
4879 * debug.c (do_nothing_debug_hooks): Update.
4880 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
4881 global_decl, deferred_inline_function.
4882 * dwarf2out.c (dwarf2_debug_hooks): Update.
4883 (dwarf2out_global_decl): New.
4884 * dwarfout.c: Don't include dwarfout.h.
4885 (dwarfout_global_decl, dwarfout_function_decl,
4886 dwarfout_deferred_inline_function): New.
4887 (dwarf_debug_hooks): Update.
4888 * dwarfout.h: Remove.
4889 * final.c: Don't include dwarfout.h.
4890 * sdbout.c (sdbout_global_decl): New.
4891 (sdbout_debug_hooks): Update.
4892 * toplev.c: Don't include dwarfout.h.
4893 (check_global_declarations, rest_of_compilation): Use new debug hooks.
4894 (note_deferral_of_defined_inline_function): Remove.
4895 * toplev.h (note_deferral_of_defined_inline_function): Remove.
4896 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
4897 * ch/lex.c: Don't include dwarfout.h.
4898 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
4899 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
4900 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
4901 * cp/optimize.c: Include debug.h.
4902 (maybe_clone_body): Use debug hook.
4903 * cp/semantics.c: Include debug.h.
4904 (expand_body): Use debug hook.
4905 * po/POTFILES.in: Remove dwarfout.h.
4907 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
4909 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
4910 * c-parse.in (yyerror, _yylex): Similarly.
4911 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
4912 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
4914 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
4915 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
4917 2001-07-18 Jeff Sturm <jsturm@one-point.com>
4919 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
4920 in-class declaration at -g1. Fixes c++/2814.
4922 2001-07-18 Richard Henderson <rth@redhat.com>
4924 * doc/md.texi (reload_in/out): Document restrictions in predicates
4925 and constraints for these patterns. Document empty string matching
4928 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4930 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
4932 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4934 * cse.c: Undo my previous patch.
4936 2001-07-18 Tom Tromey <tromey@redhat.com>
4939 * configure: Rebuilt.
4940 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
4942 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
4944 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
4945 Jan Hubicka <jh@suse.cz>
4947 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
4948 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
4949 * jump.c (mark_jump_label): Do not forward branches.
4951 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
4953 * cse.c (delete_trivially_dead_insns): Delete the libcall block
4954 when return value is unused.
4956 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4958 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
4960 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
4962 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
4963 on error. We can't blindly return the result of
4964 pthread_mutex_trylock because it returns a positive number on
4965 error, while we must return -1 on error.
4966 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
4968 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
4970 2001-07-18 Andreas Jaeger <aj@suse.de>
4972 * integrate.c (output_inline_function): Correct type of debug_hooks.
4974 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
4976 * combine.c (combine_simplify_rtx): DIV can be treated
4977 associatively for floats if unsafe math optimisations are enabled.
4979 2001-07-17 Richard Henderson <rth@redhat.com>
4981 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
4983 2001-07-17 Richard Henderson <rth@redhat.com>
4985 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
4986 don't force the function address into a register.
4987 (expand_call, emit_library_call_value_1): Update callers.
4988 * builtins.c (expand_builtin_apply): Likewise.
4989 * expr.h (prepare_call_address): Update decl.
4991 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
4993 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
4995 * config/i386/chorus.h: Move up.
4996 * config/sparc/chorus.h: Likewise.
4997 * config/rs6000/chorus.h: Likewise.
4998 * config/chorus.h: Moved here.
5000 2001-07-17 Andreas Schwab <schwab@suse.de>
5002 * configure.in (assembler eh_frame optimization): Handle big
5004 * configure: Regenerated.
5006 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
5008 * expr.c (epxand_expr): Convert divisions into multiplications by
5009 reciprocals if -ffast-math.
5011 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
5013 * dbxout.c (dbxout_really_begin_function): Rename to
5014 dbxout_begin_function.
5015 (dbx_debug_hooks, xcoff_debug_hooks): Update.
5016 (dbxout_begin_function): Remove.
5017 (dbxout_function): Update.
5018 (dbxout_source_line): Update prototype.
5019 * dbxout.h (dbxout_begin_function): Remove.
5020 * debug.c (do_nothing_debug_hooks): Update.
5021 (debug_nothing_tree): Update.
5022 (debug_nothing_charstar_rtx): Remove.
5023 * debug.h (union tree_node): Declare.
5024 (struct rtx_def): Remove.
5025 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
5026 begin_function. Change source_line prototype.
5027 (debug_nothing_tree): New.
5028 (debug_nothing_charstar_rtx): Delete.
5029 (dwarf2out_begin_prologue): Moved from ...
5031 * dwarf2out.c (dwarf2_debug_hooks): Update.
5032 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
5033 debug info, call dwarf2out_source_line.
5034 (dwarf2out_souce_line): Update prototype.
5035 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
5036 Change prototype, make static.
5037 (dwarfout_source_line): Update prototype.
5038 (dwarf_debug_hooks): Update.
5039 * dwarfout.h (dwarfout_begin_function): Remove.
5040 * final.c (final_start_function, final_scan_insn): Use appropriate
5041 debug hooks, update to use notice_source_line.
5042 (output_source_line): Rename notice_source_line. Don't call the
5043 source_line debug hook.
5044 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
5045 make static, update prototype.
5046 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
5048 (sdbout_end_prologue): New.
5049 (sdbout_source_line): Update prototype.
5050 (sdbout_debug_hooks): Update.
5051 (sdbout_symbol): Remove unused var.
5052 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
5054 * varasm.c: Include debug.h.
5055 (assemble_start_function): Use begin_function debug_hook.
5056 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
5057 update with prototype.
5058 (xcoffout_source_line): Update prototype.
5059 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
5061 (xcoffout_source_line): Update prototype.
5063 2001-07-17 Richard Henderson <rth@redhat.com>
5065 * c-typeck.c (build_binary_op): Do not shorten unsigned
5066 right shift after sign extension.
5068 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
5070 * combine.c (combine_simplify_rtx): Attempt to simplify
5071 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
5073 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
5074 (simplify_binary_operation, simplify_unary_operation,
5075 simplify_relational_operation): Use it.
5077 * combine.c (combine_simplify_rtx): Don't do associative law
5078 on divisions; allow associative law on floats.
5080 2001-07-17 H.J. Lu <hjl@gnu.org>
5081 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5083 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
5084 ASM_OUTPUT_WEAK_ALIAS are defined.
5085 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
5086 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
5088 * config/mips/iris5.h: ... here.
5089 (HANDLE_SYSV_PRAGMA): Defined as 1.
5090 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
5091 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
5094 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
5096 * c-parse.in (all_prefix_attributes): New variable.
5097 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
5098 (maybe_resetattrs): New production.
5099 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
5100 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
5101 notype_initdcl, nested_function, notype_nested_function,
5102 component_decl, components, components_notype,
5103 component_declarator, component_notype_declarator,
5104 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
5105 ivars, mydecl, myparm): Update. Avoid prefix attributes just
5106 after a comma being applied to more than one declarator.
5107 * doc/extend.texi (Attribute Syntax): Update. Remove
5108 documentation of bugs that are no longer present.
5110 2001-07-13 Eric Christopher <echristo@redhat.com>
5112 * config/mips/mips.h: Change TUNE_MIPS* options to use
5114 (EXTRA_SPECS): Add cc1_cpu_spec.
5115 * config/mips/mips.md (muldf3): Fix typo.
5117 2001-07-16 Richard Henderson <rth@redhat.com>
5119 * config/m68k/m68k.c: Include expr.h and reload.h.
5120 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
5121 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
5123 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
5124 Richard Henderson <rth@redhat.com>
5126 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
5127 (insn_live_p): Fix fall off end of function.
5128 (dead_libcall_p): Remove COUNTS argument; update callers.
5129 (delete_trivially_dead_insns): Remove unused variables.
5131 2001-07-17 Andreas Jaeger <aj@suse.de>
5133 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
5136 * lcm.c (optimize_mode_switching): Avoid warning for unused
5137 variable if !NORMAL_MODE.
5139 * flow.c (try_crossjump_to_edge): Remove unused variable.
5141 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
5143 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
5144 atexit declaration in stdlib.h.
5146 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
5148 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
5150 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5152 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
5153 * except.c (finish_eh_generation): Update call of cleanup_cfg;
5154 do rebuild_jump_labels instead of jump_optimize
5155 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
5156 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
5157 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
5159 * flow.c: Include timevar.h
5160 (find_basic_block): Push/pop timevar;
5161 (cleanup_cfg): Likewise.
5162 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
5163 * Makefile: Add dependencies on timevar.h
5165 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
5166 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
5168 * rtl.h (delete_trivially_dead_insns): Add new parameter.
5169 * toplev.c (rest_of_compilation): Update calls.
5170 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
5171 (delete_trivially_dead_insns): ... here; accept new argument
5172 preserve_basic_blocks; preserve basic blocks if set.
5174 * reg-stack.c (stack_regs_mentioned): Return 0 if
5175 stack_regs_mentioned_data is not initialized.
5176 (reg_to_stack): Make stack_regs_mentioned survive after the
5177 reg-stack is completted; do not call cleanup_cfg.
5178 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
5179 make cleanup_cfg after bb-reorder to output to debug file.
5181 2001-07-16 Richard Henderson <rth@redhat.com>
5183 * regclass.c (init_reg_sets): Use only 32 bits per initializer
5184 from int_reg_class_contents.
5186 2001-07-16 Richard Henderson <rth@redhat.com>
5188 * hard-reg-set.h (regs_invalidated_by_call): Declare.
5189 * regclass.c (regs_invalidated_by_call): Move from cse.c.
5190 (init_reg_sets_1): Move initialization from cse_main.
5191 * cse.c (regs_invalidated_by_call): Move to regclass.c.
5192 (cse_main): Move its initialization also.
5193 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
5194 * flow.c (propagate_one_insn): Likewise.
5195 * gcse.c (compute_hash_table): Likewise.
5196 (compute_kill_rd, compute_store_table): Likewise.
5197 * sched-deps.c (sched_analyze_1): Likewise.
5199 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
5201 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
5204 2001-07-16 Steve Ellcey <sje@cup.hp.com>
5206 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
5207 in if statement so we don't access undefined memory.
5209 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
5211 * gcse.c: Update comment at top.
5212 Update comment on mem handling.
5213 mem_last_set, mem_first_set, mem_set_in_block: gone.
5214 Declaration of reg_set_info: gone.
5215 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
5216 pointless with load_killed_in_block_p (they are *more*
5217 conservative then it, not less, and less accurate).
5218 (oprs_not_set_p): Ditto.
5219 (alloc_gcse_mem): Don't allocate mem_set_in_block
5220 (free_gcse_mem): Don't free it, either.
5221 (record_last_mem_set_info): Update comment in front, remove
5222 mem_*set_* stuff. Note the reason we don't handle stores directly
5224 (compute_hash_table): Update comments to reflect reality. Remove
5225 mem_*set_* references.
5226 (reset_opr_set_tables): Remove mem_*set_* references.
5228 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
5229 (mark_clobber): Ditto (on both parts, we double set here too).
5230 (expr_killed_p): Remove mem_set_in_block test.
5231 (compute_transp): Remove mem_set_in_block test.
5233 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
5234 of edge, and removal of phi alternative to dump file.
5235 (ssa_ccp_substitute_constants): Add note about register now being
5236 constant, and which uses were replaced in what insns to dump file.
5238 2001-07-16 Andreas Jaeger <aj@suse.de>
5240 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
5241 variables of type HOST_WIDEST_INT.
5243 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
5244 (__bb_exit_func): Correct type of count_max to avoid overflow.
5245 (num_digits): Handle long long argument.
5247 * combine.c (gen_lowpart_for_combine): Remove unused variable.
5249 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5251 * output.h (sdb_begin_function_line): Restore as an extern
5253 * sdbout.c (sdb_begin_function_line): Make extern.
5255 2001-07-15 Richard Henderson <rth@redhat.com>
5257 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
5258 * genrecog.c (maybe_both_true_mode): New.
5259 (maybe_both_true_2): Use it.
5260 (write_switch): Don't put Pmode in a switch.
5261 * rtl.c (mode arrays): Don't explicitly size them.
5263 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5265 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
5266 handling; move unconditional splitting before mode switching.
5268 * i386.md (type): Add fistp type.
5269 (i387, length_attr, scheduling definitions): Handle this type.
5270 (fix_trunc?f?i2): Revamp to use mode switching.
5271 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
5272 * i386.h (fp_cw_mode): New enum
5273 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
5274 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
5276 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5278 * Makefile.in (integrate.o): Add debug.h.
5279 * integrate.c (debug.h): Add.
5280 (output_inline_function): Save, reset, and restore debug_hooks.
5282 2001-07-15 Richard Henderson <rth@redhat.com>
5284 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
5285 instead of COMPARE for the EQUIV expression.
5287 2001-07-15 Richard Henderson <rth@redhat.com>
5289 * flow.c (redirect_edge_and_branch_force): Initialize
5290 global_live_at_start and global_live_at_end.
5291 (allocate_bb_life_data): Export.
5292 * basic-block.h (allocate_bb_life_data): Declare.
5293 * toplev.c (rest_of_compilation): Call it.
5295 2001-07-15 Richard Henderson <rth@redhat.com>
5297 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
5298 (alpha_tablejump_best_label): New.
5299 * config/alpha/alpha-protos.h: Declare them.
5300 * config/alpha/alpha.md: Use braced strings for code blocks.
5301 (tablejump_osf): Break out add with r29.
5302 (tablejump_osf_internal): Remove.
5303 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
5304 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
5306 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5308 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
5311 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
5313 * i386-protos.h (ix86_split_fp_branch): Update prototype.
5314 (ix86_fp_jump_nontrivial_p): New.
5315 * i386.md (fp_jcc_?): Update call of split_fp_branch;
5316 use ix86_fp_jump_nontrivial_p.
5317 * i386.c (ix86_fp_jump_nontrivial_p): New.
5318 (ix86_split_fp_branch): Accept code instead of rtx.
5319 (ix86_expand_compare): Expand comparison early in case
5320 doing so is resonably cheap.
5322 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
5324 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
5326 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
5327 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
5329 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
5331 * dbxout.c (dbxout_source_line): Make static, update prototype.
5332 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
5333 (dbxout_init, dbxout_finish, dbxout_source_line,
5334 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
5335 * dbxout.h (dbxout_source_line): Delete.
5336 * debug.c (debug_nothing_file, debug_nothing_file_int,
5337 debug_nothing_file_charstar_rtx): New.
5338 (do_nothing_debug_hooks): Update.
5339 (debug_nothing_void, debug_nothing_charstar_rtx,
5340 dwarf2out_end_epilogue): New.
5341 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
5342 * debug.h (struct rtx_def): Declare.
5343 (gcc_debug_hooks): New hooks source_line, end_epilogue
5345 (debug_nothing_void, debug_nothing_charstar_rtx,
5346 dwarf2out_end_epilogue): New.
5347 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
5348 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
5349 (dwarf2_debug_hooks): Update.
5350 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
5351 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
5352 * dwarf2out.h (dwarf2out_source_line): Remove.
5353 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
5354 Make static, update prototype.
5355 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
5356 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
5357 (dwarf_debug_hooks): Update.
5358 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
5359 dwarfout_end_function): Remove.
5360 * final.c (profile_function): Use debug hooks for ending functions
5362 (output_source_line, final_end_function): Update prototype,
5364 (final_start_function, final_scan_insn): Update.
5365 * output.h (sdb_begin_function_line): Remove.
5366 (final_end_function): Update prototype.
5367 * sdbout.c (sdb_begin_function_line): Make static.
5368 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
5369 (sdbout_source_line): New.
5370 (sdbout_end_epilogue, sdbout_end_function): Make static, update
5372 (sdb_debug_hooks): Update.
5373 (sdbout_init, sdbout_source_line,
5374 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
5375 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
5376 * toplev.c (compile_file, rest_of_compilation): Update.
5377 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
5378 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
5379 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
5380 Update for prototype changes.
5381 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
5382 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
5384 2001-07-15 Richard Henderson <rth@redhat.com>
5386 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
5387 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
5388 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
5389 * config/alpha/alpha.c: Likewise.
5390 * config/alpha/alpha.md: Likewise.
5391 * config/alpha/alpha32.h: Likewise.
5392 * config/alpha/vms.h: Likewise.
5395 2001-07-14 Richard Henderson <rth@redhat.com>
5397 * config/alpha/alpha.md: Use define_constants for unspec values.
5398 Substitute throughout.
5400 2001-07-14 Tim Josling <tej@melbpc.org.au>
5402 * tree.def (EXPON_EXPR) remove. Never supported anyway.
5404 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
5406 * pa.md: Remove unused constraints from define_split's.
5408 2001-04-14 Richard Henderson <rth@redhat.com>
5410 * ifcvt.c (find_cond_trap): Test for exit block.
5412 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
5414 Re-install recently reverted patch.
5415 * emit-rtl.c (try_split): Update mark_jump_label call.
5416 * flow.c (find_sub_basic_blocks): Likewise.
5417 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
5419 (mark_all_labels): Kill second parameter.
5420 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
5421 (rebuild_jump_labels, jump_optimize_minimal): Update call
5423 (jump_optimize_1): Kill crossjumping code.
5424 (mark_jump_label): Kill cross_jump parameter.
5425 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
5426 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
5427 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
5429 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
5431 (dump_file_info): Likewise.
5432 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
5433 reorganize passes to do reg-stack first, bb-reorder second.
5434 * invoke.texi (-d letters doc): Remove the jump2 pass.
5436 2001-07-14 Richard Henderson <rth@redhat.com>
5438 * ifcvt.c (find_cond_trap): New.
5439 (find_if_header): Call it.
5440 (merge_if_block): Relax existing jump sanity check.
5441 * jump.c (jump_optimize_1): Remove conditional trap handling.
5443 2001-07-14 Alan Modra <amodra@bigpond.net.au>
5445 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
5447 (insn_refs_are_delayed): Correct comment.
5448 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
5449 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
5450 instead of r31. Make associated insn !TARGET_64BIT, and
5451 provide an additional 64-bit insn that clobbers r2.
5453 (udivsi3): Likewise.
5455 (umodsi3): Likewise.
5457 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
5459 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
5461 * flow.c (redirect_edge_and_branch_force, split_edge,
5462 try_crossjump_to_edge): Use set_block_for_new_insns.
5463 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
5465 2001-07-13 H.J. Lu (hjl@gnu.org)
5467 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
5470 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
5472 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
5474 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
5476 * c-common.c (decl_attributes): Take a pointer to the node to
5477 which attributes are to be attached, and a flags argument.
5478 * c-common.h (enum attribute_flags): New.
5479 (decl_attributes): Update prototype.
5480 * c-decl.c (start_decl, push_parm_decl, finish_struct,
5481 finish_enum, start_function): Update calls to decl_attributes.
5482 * c-parse.in (component_declarator, component_notype_declarator,
5483 label): Update calls to decl_attributes.
5485 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
5487 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
5488 * config/avr/avr.c (legitimate_address_p): Return value changed
5489 from letter to register classes. For better debugging.
5491 2001-07-13 Kazu Hirata <kazu@hxi.com>
5493 * jump.c (reversed_comparison_code_parts): Fix comment typos.
5495 2001-07-13 H.J. Lu (hjl@gnu.org)
5497 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
5499 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
5501 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
5502 correctly for shared configurations.
5503 * config/t-libgcc-pic: New.
5504 * config/{i386,m68k,sparc}/t-openbsd: New.
5505 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
5506 Support -shared. Support debugging libraries with -g.
5507 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
5508 frame information does not emit pointer diffs.
5509 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
5512 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
5514 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
5516 2001-07-13 David Edelsohn <edelsohn@gnu.org>
5518 * combine.c (try_combine): Ensure const_int pow2 is positive.
5520 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
5522 * config.gcc: Add configuration for s/390.
5523 * config/s390/s390.c: New. Subroutines for code generation.
5524 * config/s390/s390.h: New. Definitions for s/390.
5525 * config/s390/s390-protos.h: New. Prototypes.
5526 * config/s390/linux.h: New. Definitions for linux for s/390.
5527 * config/s390/linux64.h: New. Definitions for linux for zSeries.
5528 * config/s390/t-linux: New. Makefile fragment.
5529 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
5530 * config/s390/fixdfdi.h: New. Fix L_fix*di.
5532 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5534 * emit-rtl.c (try_split): Update mark_jump_label call.
5535 * flow.c (find_sub_basic_blocks): Likewise.
5536 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
5538 (mark_all_labels): Kill second parameter.
5539 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
5540 (rebuild_jump_labels, jump_optimize_minimal): Update call
5542 (jump_optimize_1): Kill crossjumping code.
5543 (mark_jump_label): Kill cross_jump parameter.
5544 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
5545 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
5546 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
5548 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
5550 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
5551 reorganize passes to do reg-stack first, bb-reorder second.
5552 * invoke.texi (-d letters doc): Remove the jump2 pass.
5554 2001-07-12 Steve Ellcey <sje@cup.hp.com>
5556 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
5558 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5560 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
5562 (verify_flow_info): Make diagnostics prettier.
5564 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
5566 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
5568 * flow.c (outgoing_edges_match): Return early if condition reversal
5571 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
5573 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
5574 (mips_move_2words): When splitting a move into two instructions,
5575 prefix the second address operand with '%D'.
5577 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
5579 * Makefile.in (final.o): Depend on debug.h.
5580 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
5581 (dbx_debug_hooks): Add new hooks.
5582 (xcoff_debug_hooks): New.
5583 * debug.c (debug_nothing_file_int_int): New.
5584 (do_nothing_debug_hooks): Update.
5585 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
5586 (debug_nothing_file_int_int): New.
5587 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
5588 static, update prototype.
5589 (dwarf2_debug_hooks): Update.
5590 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
5591 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
5592 static, update prototype.
5593 (dwarf_debug_hooks): Update.
5594 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
5595 * final.c: Include debug.h.
5596 (final_scan_insn): Use debug hooks when beginning and ending blocks.
5597 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
5598 static, update prototype.
5599 (sdb_debug_hooks): Update.
5600 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
5601 * toplev.c: Distinguish between xcoff and dbx.
5603 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
5604 Call all debug hooks, not just dwarf ones.
5606 2001-07-11 Timothy Wall <twall@redhat.com>
5608 * config.gcc: Add configuration for AIX5/IA64.
5609 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
5610 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
5611 support prefix/suffix code.
5612 * config/ia64/t-aix: New. Makefile fragment.
5613 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
5615 2001-07-11 Kazu Hirata <kazu@hxi.com>
5617 * recog.c (validate_change): Fix a comment typo.
5619 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
5621 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
5622 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
5624 * dbxout.c (dbx_debug_hooks): Add new hooks.
5625 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
5627 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
5629 * dbxout.h (dbxout_start_new_source_file,
5630 dbxout_resume_previous_source_file): Delete.
5631 * debug.c (do_nothing_debug_hooks): Add new hooks.
5632 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
5633 (debug_nothing_int_charstar, debug_nothing_int): New.
5634 * debug.h (gcc_debug_hooks): New hooks define, undef,
5635 start_source_file and end_source_file.
5636 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
5637 (debug_nothing_int_charstar, debug_nothing_int): New.
5638 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
5639 the conditionally compiled section.
5640 (dwarf2out_start_source_file, dwarf2out_end_source_file,
5641 dwarf2out_define, dwarf2out_undef): Make static.
5642 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
5643 dwarf2out_define, dwarf2out_undef): Remove.
5644 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
5645 (dwarfout_start_source_file, dwarfout_end_source_file,
5646 dwarfout_define, dwarfout_undef): Make static.
5647 (dwarfout_start_source_file_check,
5648 dwarfout_end_source_file_check): New.
5649 (dwarfout_define, dwarfout_finish): Update.
5650 * dwarfout.h (dwarfout_start_new_source_file,
5651 dwarfout_resume_previous_source_file, dwarfout_define,
5652 dwarfout_undef): Remove.
5653 * sdbout.c (sdb_debug_hooks): Add new hooks.
5654 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
5656 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
5657 make static, take an arg.
5658 * sdbout.h (sdbout_start_new_source_file,
5659 sdbout_resume_previous_source_file): Delete.
5660 * toplev.c (debug_start_source_file, debug_end_source_file,
5661 debug_define, debug_undef): Delete.
5662 * toplev.h (debug_start_source_file, debug_end_source_file,
5663 debug_define, debug_undef): Delete.
5665 * java/jcf-parse.c: Include debug.h.
5666 (parse_class_file): Update to use debug hooks directly.
5667 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
5669 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5671 * alias.c (set_mem_alias_set): New function.
5672 * rtl.h (set_mem_alias_set): Declare it.
5673 * builtins.c (expand_builtin_return_addr): Call it instead of
5674 using MEM_ALIAS_SET accessor.
5675 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
5676 (get_memory_rtx, expand_builtin_va_arg): Likewise.
5677 (expand_builtin_va_copy):Likewise.
5678 * caller-save.c (setup_save_areas): Likewise.
5679 * calls.c (compute_argument_addresses): Likewise.
5680 * explow.c (set_mem_attributes): Likewise.
5681 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
5682 (expand_assignment, store_constructor_field, store_field): Likewise.
5683 (expand_expr_unaligned): Likewise.
5684 * function.c (assign_stack_temp_for_type): Likewise.
5685 (put_reg_into_stack, gen_mem_addressof): Likewise.
5686 * ifcvt.c (noce_try_cmove_arith): Likewise.
5687 * reload1.c (reload, alter_reg): Likewise.
5688 * config/alpha/alpha.c (get_aligned_mem): Likewise.
5689 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
5690 (alpha_expand_unaligned_store): Likewise
5691 (alpha_expand_unaligned_load_words): Likewise.
5692 (alpha_expand_unaligned_store_words): Likewise.
5693 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
5694 (alpha_expand_epilogue): Likewise.
5695 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
5696 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
5697 * config/i386/i386.c (legitimize_pic_address): Likewise.
5698 * config/i960/i960.c (setup_incoming_varargs): Likewise.
5699 * config/ia64/ia64.c (spill_restore_mem): Likewise.
5700 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
5701 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
5702 * config/mips/mips.c (mips_va_arg): Likewise.
5703 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
5704 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
5705 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
5706 (setup_incoming_varargs, rs6000_va_arg): Likewise.
5707 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
5708 (rs6000_emit_epilogue): Likewise.
5709 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
5710 * config/sparc/sparc.c (sparc_va_arg): Likewise.
5711 * config/v850/v850.c (v850_va_arg): Likewise.
5713 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
5715 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
5716 when fallthru edge is present.
5717 (mege_blocks): Handle case where creation of jump insn
5720 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
5721 CLEANUP_POST_REGSTACK): New constants.
5722 * except.c (finish_eh_generation): Update call of cleanup_cfg,
5723 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
5724 * output.h (cleanup_cfg): Update prototype.
5725 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
5726 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
5727 cleanup_cfg call; kill missleading comment.
5728 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
5729 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
5730 parameter; control optimizations performed using it.
5731 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
5732 try_crossjump_bb): New functions.
5734 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
5736 * pa.c (pa_output_function_prologue): Delete prototype. Make function
5738 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
5739 pa_output_function_prologue.
5740 * pa-protos.h (pa_output_function_prologue): New prototype.
5742 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
5744 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
5745 and low to get correct sign extension in low+high test.
5747 2001-07-11 Janis Johnson <janis@us.ibm.com>
5749 * gcov.c (arcdata): Use gcov_type to fix branch percentage
5750 for large hit count.
5752 * profile.c (branch_prob): Fix .bbg info for computed gotos
5755 2001-07-11 Mark Mitchell <mark@codesourcery.com>
5757 * stmt.c (parse_output_constraint): New function, split out
5759 (expand_asm_operands): ... here. Use parse_output_constraint.
5760 * tree.h (parse_output_constraint): Declare it.
5762 2001-07-11 Richard Henderson <rth@redhat.com>
5764 * bitmap.c: Comment some functions; fiddle whitespace.
5765 (bitmap_free): Don't export.
5766 (bitmap_element_allocate): Use memset.
5767 * bitmap.h (bitmap_free): Don't declare.
5769 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
5771 * gcse.c, lcm.c, sched-deps.c:
5772 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
5774 * flow.c (flow_loops_find): Free dom if we found no loops, since
5775 we aren't going to save it.
5777 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
5780 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
5782 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
5784 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5786 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
5787 #ifndef DWARF2_DEBUGGING_INFO.
5789 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
5791 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
5793 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
5795 * config/mips/mips.c (gen_int_relational): Tell the caller not to
5796 reverse a branch if a NE comparison is implemented with GTU.
5798 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
5799 H.J. Lu <hjl@gnu.org>
5801 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
5803 (call_internal2): Likewise.
5804 (call_value_internal1): Likewise.
5805 (call_value_internal2): Likewise.
5806 (call_value_multiple_internal1): Likewise.
5807 (call_value_multiple_internal2): Likewise.
5809 2001-07-10 Kazu Hirata <kazu@hxi.com>
5811 * calls.c (emit_library_call_value_1): Fix a comment typo.
5812 * dwarf2out.c (mem_loc_descriptor): Likewise.
5813 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
5815 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
5817 * simplify-rtx.c (simplify_subreg): Fix typo in comment
5819 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5821 * recog.c (offsettable_address_p): Handle LO_SUM case.
5822 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
5823 instead of plus_constant.
5825 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5827 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
5828 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
5830 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5832 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
5833 adjust_address_nv instead of plus_constant.
5835 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
5837 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
5838 dwarf2out.o): Depend on debug.h, wrap long lines.
5839 * dbxout.c: Include debug.h.
5840 (dbx_debug_hooks): New.
5841 (dbxout_init): Make static, take just 2 args.
5842 (dbxout_finish): Make static.
5843 * dbxout.h (dbxout_init, dbxout_finish): Delete.
5844 * debug.c: New file.
5845 * debug.h: New file.
5846 * dwarf2out.c: Include debug.h.
5847 (dwarf2_debug_hooks): New.
5848 (dwarf2out_init): Make static.
5849 (dwarf2out_finish): Make static, take 2 args.
5850 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
5851 * dwarfout.c: Include debug.h.
5852 (dwarf_debug_hooks): New.
5853 (dwarfout_init): Make static.
5854 (dwarfout_finish): Make static, take 2 args.
5855 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
5856 * sdbout.c: Include debug.h.
5857 (sdb_debug_hooks): New.
5858 (sdbout_init): Make static, take 2 args.
5859 * sdbout.h (sdbout_init): Delete.
5860 * toplev.c: Include debug.h.
5862 (compile_file): Set deubg_hooks based on command line options.
5863 Use the hooks unconditionally rather than conditional compilation.
5865 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
5867 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
5868 first_insn_after_basic_block_note instead.
5870 * df.c (df_bb_refs_unlink): #if 0 out for now.
5872 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
5874 * ssa.h: Add prototype for ssa_const_prop
5875 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
5876 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
5877 (ssa_fast_dce): Remove unused variable
5879 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5881 * diagnostic.c (finish_diagnostic): Rename to
5882 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
5885 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
5887 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
5890 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
5891 (dump_file): Only pad the demangled name with spaces if the
5892 mangled name was padded with spaces.
5894 2001-07-10 Bernd Schmidt <bernds@redhat.com>
5896 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
5899 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5901 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
5902 extraction if no direct load if either EXPAND_CONST_ADDRESS or
5905 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
5906 whether can put offset inside LO_SUM to check mode alignment, not size.
5908 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5910 * doc/tm.texi (Misc): Fix thinko.
5912 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
5914 * regmove.c (replace_in_call_usage): Fix warnings.
5915 * sched-deps.c (add_dependence): Fix warnings.
5916 * simplify-rtx.c (simplify_subreg): Likewise.
5917 Return NULL_RTX instead of NULL.
5919 * reg-stack.c (emit_swap_insn): Eliminate warnings.
5920 (subst_asm_stack_regs): Likewise.
5922 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
5925 * dwarf2out.c (output_call_frame_info): Declare i as int.
5926 (build_abbrev_table): Declare n_alloc as int.
5927 (dwarf2out_finish): Initialize die.
5928 * except.c: Declare sjlj_funcdef_number as unsigned.
5929 (connect_post_landing_pads): Declare j as unsigned.
5930 (convert_to_eh_region_ranges): Initialize call_site.
5931 (output_function_exception_table): Initialize tt_format_size.
5932 * expr.c (move_by_pieces_1): Initialize to1.
5933 (store_constructor): Initialize minelt and maxelt.
5934 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
5935 * function.c (instantiate_decls): Avoid signed/unsigned warning.
5937 * c-decl.c (combine_parm_decls): Unused, remove.
5938 * c-tree.h: Remove prototype for combine_parm_decls.
5940 * reload.c (push_reload): Fix warning.
5941 (regno_clobbered_p): Likewise.
5942 * reload1.c (replace_pseudos_in_call_usage): Likewise.
5943 (reload_combine): Likewise.
5945 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
5946 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
5948 * bitmap.c (bitmap_operation): Change user.
5949 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
5951 2001-07-10 Eric Christopher <echristo@redhat.com>
5953 * config/mips/mips.c (override_options): Fix typo.
5955 2001-07-09 Stan Shebs <shebs@apple.com>
5957 * target.h (struct gcc_target): New fields init_builtins and
5959 * target-def.h (TARGET_INIT_BUILTINS): New macro.
5960 (TARGET_EXPAND_BUILTIN): New macro.
5961 (TARGET_INITIALIZER): Add them.
5962 * builtins.c: Include target.h.
5963 (expand_builtin): Use targetm.expand_builtin.
5964 (default_init_builtins): New function.
5965 (default_expand_builtin): New function.
5966 * expr.h (default_init_builtins): Declare.
5967 (default_expand_builtin): Declare.
5968 * c-common.c (c_common_nodes_and_builtins): Use
5969 targetm.init_builtins.
5970 * defaults.h (MD_INIT_BUILTINS): Remove.
5971 * Makefile.in (builtins.o): Depend on target.h.
5973 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
5974 (TARGET_EXPAND_BUILTIN): Define.
5975 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
5976 (MD_EXPAND_BUILTIN): Remove.
5978 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
5979 (TARGET_EXPAND_BUILTIN): Define.
5980 (c4x_init_builtins): Make endlink arg a local.
5981 (c4x_print_operand): Fix typos in adjust_address usages.
5982 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
5983 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
5984 (MD_EXPAND_BUILTIN): Remove.
5986 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
5987 (TARGET_EXPAND_BUILTIN): Define.
5988 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
5989 (ix86_init_builtins): Call new function only if TARGET_MMX.
5990 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
5991 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
5992 (MD_EXPAND_BUILTIN): Remove.
5994 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
5995 (TARGET_EXPAND_BUILTIN): Define.
5996 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
5997 (MD_EXPAND_BUILTIN): Remove.
5999 * doc/tm.texi: Document these changes.
6001 2001-07-09 Diego Novillo <dnovillo@redhat.com>
6003 * basic-block.h (tree_node): Forward declare if needed.
6004 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
6005 (BLOCK_HEAD_TREE): Define.
6006 (BLOCK_END_TREE): Define.
6007 (struct loops): Rename field 'tree' to 'tree_root'.
6008 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
6010 (flow_loops_tree_build): Rename reference to field 'tree' to
6012 (flow_loops_level_compute): Ditto.
6013 * predict.c (estimate_bb_frequencies): Ditto.
6014 * tree.h (struct tree_common): Add field 'aux'.
6016 2001-07-09 Stan Shebs <shebs@apple.com>
6018 * config/darwin.c (darwin_encode_section_info): Don't mark any
6019 DECL_EXTERNAL node as defined.
6021 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
6023 * pa.c (pa_init_machine_status, pa_mark_machine_status,
6024 pa_free_machine_status, hppa_init_pic_save): Delete.
6025 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
6026 (hppa_profile_hook): Use hppa_pic_save_rtx.
6027 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
6028 hppa_init_pic_save): Delete.
6029 (hppa_pic_save_rtx): Declare.
6030 * pa.md (call, call_value, sibcall, sibcall_value,
6031 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
6033 2001-07-09 Kazu Hirata <kazu@hxi.com>
6035 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
6036 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
6038 2001-07-09 Andreas Jaeger <aj@suse.de>
6040 * output.h: Add declaration of final_forward_branch_p.
6042 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
6044 * varray.c: Include errors.h for internal_error and trim_filename
6047 * Makefile.in (varray.o): Add errors.h.
6049 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
6051 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
6052 * optabs.c (have_add2_insn): Check whether the add insn chosen
6053 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
6054 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
6056 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
6058 * Makefile.in (OBJS): Add ssa-ccp.o
6059 (ssa-ccp.o): Add dependencies.
6060 * toplev.c (DFI_ssa_ccp): New dump file enum.
6061 (dump_file): Add entry for dumping after SSA CCP.
6062 (flag_ssa_ccp): New flag variable.
6063 (f_options): Add -fssa-ccp.
6064 (rest_of_compilation): Run SSA CCP if requested.
6065 * timevar.def (TV_SSA_CCP): New timevar.
6066 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
6067 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
6068 Fix minor typo in SSA DCE documentation.
6069 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
6070 Add documentation for new dump option. Renumber dump files
6073 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6075 * emit-rtl.c (gen_highpart_mode): New.
6076 * rtl.h (gen_highpart_mode): Declare.
6077 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
6078 operand can be VOIDmode constant.
6080 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
6082 * flow.c (redirect_edge_and_branch_force): New.
6083 (can_fallthru): Ensure that basic blocks are succeeding.
6084 (try_optimize_cfg): Do not delete basic block if it is the last one.
6086 * flow.c (try_redirect_by_replacing_jump): Do not remove
6087 jumps with side effects, unlink chain on fallthru edge;
6088 set block for new jump instruction; avoid basic block to
6089 over by line number note.
6091 * flow.c (try_simplify_condjump): Verify that the condjump
6092 is not always falling trought.
6095 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
6097 * flow.c (forwarder_block_p): Fix for fallthru blocks.
6098 (try_redirect_by_replacing_jump): Update properly the count
6099 and frequency information.
6101 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6103 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
6104 address that is a LO_SUM specially.
6105 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
6107 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
6109 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
6110 (operand_subword): Use them.
6111 (change_address_1): Renamed from change_address; new arg VALIDATE.
6112 * expr.h: Reflect above changes; change_address now macro.
6113 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
6115 * cselib.c (add_mem_for_addr): Likewise.
6116 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
6117 * regmove.c (try_apply_stack_adjustment): Likewise.
6118 * reload.c (push_reload, make_memloc): Likewise.
6119 * reload1.c (eliminate_regs): Likewise.
6120 * simplify-rtx.c (simplify_replace_rtx): Likewise.
6121 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
6123 * combine.c (make_extraction, simplify_shift_const): Likewise.
6124 (gen_lowpart_for_combine): Likewise.
6125 * cse.c (gen_lowpart_if_possible): Likewise.
6126 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
6127 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
6128 * optabs.c (gen_move_insn): Likewise.
6129 * reload1.c (alter_reg): Likewise.
6130 * simplify-rtx.c (simplify_subreg): Likewise.
6131 * stmt.c (expand_anon_union_decl): Likewise.
6132 * recog.c (validate_replace_rtx_1): Likewise.
6134 * Makefile.in (recog.o): Add $(EXPR_H).
6135 * explow.c (stabilize): Call replace_equiv_address.
6136 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
6137 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
6139 2001-07-03 Andrew Haley <aph@redhat.com>
6141 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
6142 the mode of the memory location.
6144 2001-07-09 Bo Thorsen <bo@suse.co.uk>
6146 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
6148 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
6150 * final.c (output_addr_const): Use target opening and
6151 closing parentheses.
6152 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
6153 defaults, add to TARGET_ASM_OUT.
6154 * target.h (struct gcc_target): Add open_paren and close_paren.
6155 * doc/md.texi: Update.
6156 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
6157 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
6158 TARGET_ASM_CLOSE_PAREN.
6159 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
6161 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
6163 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
6164 * config/a29k/a29k.h: Similarly.
6165 * config/alpha/alpha.h: Similarly.
6166 * config/arc/arc.h: Similarly.
6167 * config/arm/aof.h: Similarly.
6168 * config/arm/aout.h: Similarly.
6169 * config/avr/avr.h: Similarly.
6170 * config/c4x/c4x.h: Similarly.
6171 * config/clipper/clipper.h: Similarly.
6172 * config/convex/convex.h: Similarly.
6173 * config/d30v/d30v.h: Similarly.
6174 * config/dsp16xx/dsp16xx.h: Similarly.
6175 * config/elxsi/elxsi.h: Similarly.
6176 * config/fr30/fr30.h: Similarly.
6177 * config/h8300/h8300.h: Similarly.
6178 * config/i370/i370.h: Similarly.
6179 * config/i386/i386.h: Similarly.
6180 * config/i860/i860.h: Similarly.
6181 * config/i960/i960.h: Similarly.
6182 * config/ia64/ia64.h: Similarly.
6183 * config/m32r/m32r.h: Similarly.
6184 * config/m68hc11/m68hc11.h: Similarly.
6185 * config/m68k/m68k.h: Similarly.
6186 * config/m88k/m88k.h: Similarly.
6187 * config/mcore/mcore.h: Similarly.
6188 * config/mips/mips.h: Similarly.
6189 * config/mn10200/mn10200.h: Similarly.
6190 * config/mn10300/mn10300.h: Similarly.
6191 * config/ns32k/ns32k.h: Similarly.
6192 * config/pa/pa.h: Similarly.
6193 * config/pdp11/pdp11.h: Similarly.
6194 * config/pj/pj.h: Similarly.
6195 * config/romp/romp.h: Similarly.
6196 * config/rs6000/rs6000.h: Similarly.
6197 * config/sh/sh.h: Similarly.
6198 * config/sparc/sparc.h: Similarly.
6199 * config/v850/v850.h: Similarly.
6200 * config/vax/vax.h: Similarly.
6201 * config/we32k/we32k.h: Similarly.
6203 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
6205 * doc/c-tree.texi: Document representation of attributes.
6207 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
6209 * doc/tm.texi: Update some places for the rename of target to
6212 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
6214 * target.h (struct gcc_target): Add insert_attributes.
6215 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
6216 (TARGET_INITIALIZER): Update.
6217 * tree.c, tree.h (default_insert_attributes): New function.
6218 Update comments on other default functions to refer to targetm,
6220 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
6221 TARGET_INSERT_ATTRIBUTES.
6222 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
6223 * c-common.c (decl_attributes): Use targetm.insert_attributes.
6224 Don't use PRAGMA_INSERT_ATTRIBUTES.
6225 * Makefile.in (c-common.o): Depend on $(TARGET_H).
6226 * c-decl.c (start_decl, start_function): Don't call
6227 SET_DEFAULT_DECL_ATTRIBUTES.
6228 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
6229 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
6231 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
6232 (c4x_check_attribute): Avoid modifying attribute list itself.
6233 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
6235 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
6236 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
6238 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
6239 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
6241 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
6242 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
6244 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
6245 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
6246 Adjust parameters. Make static.
6248 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
6250 * c-common.c (decl_attributes): Only take a single attributes
6252 * c-common.h (decl_attributes): Update prototype.
6253 * c-decl.c (start_decl, start_function): Only take a single
6254 attributes parameter. Update calls to decl_attributes.
6255 (finish_struct, finish_enum): Update calls to decl_attributes.
6256 (push_parm_decl): Expect unified list of attributes. Update call
6258 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
6259 notype_nested_function, component_declarator,
6260 component_notype_declarator, label): Update calls to
6262 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
6263 lists that are passed to push_parm_decl.
6264 * c-tree.h (start_function, start_decl): Update prototypes.
6265 * config/sh/sh-protos.h, config/sh/sh.c
6266 (sh_pragma_insert_attributes): Only take a single attributes
6268 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
6269 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
6270 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
6271 build_module_descriptor, generate_static_references,
6272 generate_strings, build_selector_translation_table,
6273 generate_descriptor_table, generate_protocols,
6274 generate_ivars_list, generate_dispatch_table,
6275 generate_protocol_list, generate_category,
6276 generate_shared_structures, really_start_method, add_objc_decls,
6277 generate_classref_translation_entry): Update calls to start_decl
6279 (build_tmp_function_decl, start_method_def): Unify attribute lists
6280 that are passed to push_parm_decl.
6282 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
6284 * final.c (no_asm_to_stream): New.
6285 (final_scan_insn): Use target structures for prologue ends
6286 and epilogue starts.
6287 * output.h (no_asm_to_stream): New.
6288 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
6289 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
6290 (TARGET_ASM_OUT): Update.
6291 * target.h (struct gcc_target): New members function_end_prologue
6292 and function_begin_epilogue.
6293 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
6294 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
6295 * config/alpha/alpha.c (output_end_prologue): Rename to
6296 alpha_output_function_end_prologue. Use in target struct
6298 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
6299 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
6300 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
6301 ia64_output_function_end_prologue. Use in target struct
6303 (ia64_function_prologue, ia64_funciton_epilogue): Rename
6304 mistyped prototypes.
6305 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
6306 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
6308 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
6309 an use in target struct, make static.
6310 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
6313 2001-07-08 Richard Henderson <rth@redhat.com>
6315 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
6317 2001-07-08 Richard Henderson <rth@redhat.com>
6319 * config/i386/i386.md: Remove constraints strings from define_split
6320 and define_peephole2 patterns.
6321 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
6322 (eh_return): Use them.
6324 2001-07-08 Richard Henderson <rth@redhat.com>
6326 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
6327 Document MD_FALLBACK_FRAME_STATE_FOR.
6329 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6331 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
6332 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
6334 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
6336 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
6338 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
6339 of the label inside NAME as opposed to just the end of NAME.
6341 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
6343 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
6344 * config/alpha/alpha.c (alpha_init_machine_status,
6345 alpha_mark_machine_status, alpha_free_machine_status): Delete.
6346 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
6347 (vms_valid_decl_attribute_p): Make static, conditionally compile.
6348 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
6350 2001-07-06 Stan Shebs <shebs@apple.com>
6352 * target.h (targetm): Rename global from "target", so as not to
6353 conflict with local variables.
6355 * c-typeck.c: Ditto.
6359 * cp/decl2.c: Ditto.
6360 * cp/typeck.c: Ditto.
6361 * 1750a/1750a.c: Ditto.
6362 * a29k/a29k.c: Ditto.
6366 * clipper/clipper.c: Ditto.
6367 * convex/convex.c: Ditto.
6368 * d30v/d30v.c: Ditto.
6369 * dsp16xx/dsp16xx.c: Ditto.
6370 * elxsi/elxsi.c: Ditto.
6371 * fr30/fr30.c: Ditto.
6372 * h8300/h8300.c: Ditto.
6373 * i370/i370.c: Ditto.
6374 * i386/i386.c: Ditto.
6375 * i860/i860.c: Ditto.
6376 * i960/i960.c: Ditto.
6377 * ia64/ia64.c: Ditto.
6378 * m32r/m32r.c: Ditto.
6379 * m68hc11/m68hc11.c: Ditto.
6380 * m68k/m68k.c: Ditto.
6381 * m88k/m88k.c: Ditto.
6382 * mips/mips.c: Ditto.
6383 * ns32k/ns32k.c: Ditto.
6385 * pdp11/pdp11.c: Ditto.
6386 * romp/romp.c: Ditto.
6387 * rs6000/rs6000.c: Ditto.
6389 * sparc/sparc.c: Ditto.
6391 * we32k/we32k.c: Ditto.
6392 * doc/tm.texi: Update the manual to match.
6394 2001-07-06 Richard Henderson <rth@redhat.com>
6396 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
6397 DWARF2_UNWIND_INFO not just whether it is defined.
6399 2001-07-06 Diego Novillo <dnovillo@redhat.com>
6401 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
6402 call to simplify_binary_operation returns a new pattern.
6404 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6406 * glimits.h (__SHRT_MAX__): New.
6407 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
6408 (SHRT_MAX): Define in terms of __SHRT_MAX__.
6410 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
6412 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
6415 2001-07-06 Richard Henderson <rth@redhat.com>
6417 * bitmap.c (bitmap_release_memory): Move adjacent to the
6418 allocation functions.
6419 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
6420 the implementation. Binary search for the set bit.
6421 (bitmap_union_of_diff): Allocate the temporary on the stack
6422 instead of using xmalloc.
6424 2001-07-06 Richard Henderson <rth@redhat.com>
6426 * genrecog.c (validate_pattern): Warn for constraints in
6427 define_{expand,split,peephole2}. Remove strict_low_part
6428 before looking up match_dup.
6430 2001-07-06 DJ Delorie <dj@redhat.com>
6432 * doc/gcc.texi (Makefile): Rename to be a more general purpose
6433 chapter about various build hints and history. Add section
6434 talking about the various types of native and cross builds.
6436 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
6438 * Makefile.in (final.o): Depend on target.h.
6439 * final.c: Include target.h.
6440 (default_function_pro_epilogue): New.
6441 (final_start_function): Use target structure for function prologues.
6442 (final_end_function): Use target structure for function epilogues.
6443 * fold-const.c (real_hex_to_f): Constify s and p.
6444 * output.h (default_function_pro_epilogue): New.
6445 * real.h (real_hex_to_f): Update prototype.
6446 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
6447 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
6448 (TARGET_INITIALIZER): Update.
6449 * target.h (gcc_target): Add struct asm_out.
6450 * doc/tm.texi: Update.
6453 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
6454 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
6455 in cpu/cpu.c, or rename old functions consistently. Take
6456 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
6457 redundant macros and prototypes. Make new functions static.
6459 * 1750a/1750a.c: Similarly.
6460 * 1750a/1750a.h: Similarly.
6461 * a29k/a29k-protos.h: Similarly.
6462 * a29k/a29k.c: Similarly.
6463 * a29k/a29k.h: Similarly.
6464 * arc/arc-protos.h: Similarly.
6465 * arc/arc.c: Similarly.
6466 * arc/arc.h: Similarly.
6467 * arm/arm-protos.h: Similarly.
6468 * arm/arm.c: Similarly.
6469 * arm/arm.h: Similarly.
6470 * avr/avr-protos.h: Similarly.
6471 * avr/avr.c: Similarly.
6472 * avr/avr.h: Similarly.
6473 * clipper/clipper-protos.h: Similarly.
6474 * clipper/clipper.c: Similarly.
6475 * clipper/clipper.h: Similarly.
6476 * convex/convex.c: Similarly.
6477 * convex/convex.h: Similarly.
6478 * d30v/d30v-protos.h: Similarly.
6479 * d30v/d30v.c: Similarly.
6480 * d30v/d30v.h: Similarly.
6481 * d30v/d30v.md: Similarly.
6482 * dsp16xx/dsp16xx-protos.h: Similarly.
6483 * dsp16xx/dsp16xx.c: Similarly.
6484 * dsp16xx/dsp16xx.h: Similarly.
6485 * elxsi/elxsi.c: Similarly.
6486 * elxsi/elxsi.h: Similarly.
6487 * fr30/fr30.c: Similarly.
6488 * fr30/fr30.md: Similarly.
6489 * h8300/h8300-protos.h: Similarly.
6490 * h8300/h8300.c: Similarly.
6491 * h8300/h8300.h: Similarly.
6492 * i370/i370-protos.h: Similarly.
6493 * i370/i370.c: Similarly.
6494 * i370/i370.h: Similarly.
6495 * i386/i386.c: Similarly.
6496 * i386/osf1elf.h: Similarly.
6497 * i386/osfrose.h: Similarly.
6498 * i860/i860-protos.h: Similarly.
6499 * i860/i860.c: Similarly.
6500 * i860/i860.h: Similarly.
6501 * i960/i960-protos.h: Similarly.
6502 * i960/i960.c: Similarly.
6503 * i960/i960.h: Similarly.
6504 * ia64/ia64-protos.h: Similarly.
6505 * ia64/ia64.c: Similarly.
6506 * ia64/ia64.h: Similarly.
6507 * m32r/m32r-protos.h: Similarly.
6508 * m32r/m32r.c: Similarly.
6509 * m32r/m32r.h: Similarly.
6510 * m68hc11/m68hc11-protos.h: Similarly.
6511 * m68hc11/m68hc11.c: Similarly.
6512 * m68hc11/m68hc11.h: Similarly.
6513 * m68k/crds.h: Similarly.
6514 * m68k/dpx2.h: Similarly.
6515 * m68k/m68k-protos.h: Similarly.
6516 * m68k/m68k.c: Similarly.
6517 * m68k/m68k.h: Similarly.
6518 * m68k/news.h: Similarly.
6519 * m88k/m88k-protos.h: Similarly.
6520 * m88k/m88k.c: Similarly.
6521 * m88k/m88k.h: Similarly.
6522 * mips/mips-protos.h: Similarly.
6523 * mips/mips.c: Similarly.
6524 * mips/mips.h: Similarly.
6525 * ns32k/merlin.h: Similarly.
6526 * ns32k/ns32k.c: Similarly.
6527 * ns32k/ns32k.h: Similarly.
6528 * ns32k/tek6000.h: Similarly.
6529 * pa/pa-protos.h: Similarly.
6530 * pa/pa.c: Similarly.
6531 * pa/pa.h: Similarly.
6532 * pdp11/2bsd.h: Similarly.
6533 * pdp11/pdp11-protos.h: Similarly.
6534 * pdp11/pdp11.c: Similarly.
6535 * pdp11/pdp11.h: Similarly.
6536 * romp/romp-protos.h: Similarly.
6537 * romp/romp.c: Similarly.
6538 * romp/romp.h: Similarly.
6539 * rs6000/rs6000-protos.h: Similarly.
6540 * rs6000/rs6000.c: Similarly.
6541 * rs6000/rs6000.h: Similarly.
6542 * rs6000/sysv4.h: Similarly.
6543 * sh/sh-protos.h: Similarly.
6544 * sh/sh.c: Similarly.
6545 * sh/sh.h: Similarly.
6546 * sparc/sparc-protos.h: Similarly.
6547 * sparc/sparc.c: Similarly.
6548 * sparc/sparc.h: Similarly.
6549 * vax/vax.c: Similarly.
6550 * vax/vax.h: Similarly.
6551 * vax/vms.h: Similarly.
6552 * we32k/we32k.c: Similarly.
6553 * we32k/we32k.h: Similarly.
6555 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
6557 * basic-block.h (first_insn_after_basic_block_note): Declare.
6558 * flow.c (first_insn_after_basic_block_note): Define. Moved
6560 * ssa.c (first_insn_after_basic_block_note): Remove.
6561 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
6563 (ssa_eliminate_dead_code): Properly update the CFG and PHI
6564 nodes when we find a dead conditional branch. Insert BARRIERs
6565 after any blocks with no successors, but which do not have
6568 2001-07-06 Zack Weinberg <zackw@stanford.edu>
6570 * varray.c (varray_check_failed): Use internal_error.
6572 2001-07-05 Andrew Haley <aph@redhat.com>
6574 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
6575 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
6576 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
6578 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
6580 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
6581 reference if the target constant is also a SYMBOL_REF.
6583 2001-07-05 Eric Christopher <echristo@redhat.com>
6585 * config/mips/mips.h (MASK_MIPS3900): Remove.
6586 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
6587 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
6588 (TARGET_MIPS3900): Change to use mips_arch.
6589 (TARGET_MIPS4000): New.
6590 (TARGET_MIPS4100): New.
6591 (TARGET_MIPS4300): New.
6592 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
6593 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
6595 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
6596 (ISA_HAS_BRANCHLIKELY): To here.
6597 (CC1_CPU_SPEC): New.
6598 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
6599 (mips_arch_string): Declare.
6600 (mips_arch): Declare.
6601 (TARGET_OPTIONS): Add -march and -mtune.
6603 * config/mips/mips.c (mips_arch_string): New.
6605 (override_options): Handle -march for codegen and -mtune
6606 for scheduling. Use mips_arch. Move tx39 target default here.
6607 (mips_parse_cpu): Move error message to override_options.
6609 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
6611 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
6613 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
6614 (MIPS Options): Ditto. Change mcpu entry to historical text.
6616 2001-07-05 H.J. Lu (hjl@gnu.org)
6618 * config/mips/mips.c (mips_parse_cpu): New function to parse
6621 2001-07-05 Jim Wilson <wilson@redhat.com>
6623 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
6624 * config/ia64/t-ia64: Likewise.
6625 (LIB1ASMFUNCS): Update comment.
6627 2001-07-05 David Edelsohn <edelsohn@gnu.org>
6629 * doc/install.texi (Install GCC: Binaries): Fix typo.
6631 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6633 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
6634 reference using the stack pointer, adjust it since we push Y
6636 ("*ashrsi3"): Likewise.
6637 ("*lshrsi3"): Likewise.
6639 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6641 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
6642 when -fomit-frame-pointer is used.
6644 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
6646 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
6647 (try_redirect_by_replacing_jump): Reverse updating properly the
6648 count and frequency information. Reverse removing cc0 setter.
6649 (forwarder_block_p): Reverse fixing for fallthru blocks.
6651 2001-07-05 DJ Delorie <dj@redhat.com>
6653 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
6654 (translate_options): If the above is defined, use it to map
6655 given options to new options.
6656 * doc/tm.texi: Document it.
6658 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
6659 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6661 * doc/invoke.texi (Optimize Options): Document that -fgcse may
6662 cause programs using computed gotos to run more slowly.
6664 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6666 * doc/install.texi (Specific): Markup, spelling and typo fixes.
6668 Consistently require binutils 2.11.2, not prereleases.
6669 (Specific, decstation-*): Canonicalize as mips-dec-*.
6670 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
6672 (Specific, m68k-altos): Removed reference to README.altos, deleted.
6673 (Specific, mips-*): Reword MIPS C compiler requirements.
6674 (Specific, powerpc*-*-*): New, mention --with-cpu once.
6675 (Specific, sunv5): Removed, obsolete.
6677 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
6679 * dwarf2out.c (output_loc_list): Use an all ones mask for
6680 .text asm output and don't rely on long long
6681 literals. Reformat some long lines.
6683 2001-07-05 Andreas Jaeger <aj@suse.de>
6685 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
6688 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
6690 * dwarf2out.c (dwarf2out_define): Update comment.
6691 (dwarf2out_undef): Ditto.
6692 (dwarf2out_start_source_file): Ditto.
6693 (dwarf2out_end_source_file): Ditto.
6694 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
6695 since we never call the start/end debug hook for the primary file.
6697 2001-07-04 Kazu Hirata <kazu@hxi.com>
6699 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
6702 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
6704 * cppinit.c (remove_dup_dirs): Inform if a system include
6705 directory is being reordered.
6706 * doc/invoke.texi (Directory Options): GCC warns if you hide a
6708 * doc/cpp.texi (Search Paths): Likewise.
6709 * doc/gcc.texi (Interoperation): Remove information about
6712 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
6714 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
6715 (VARRAY_TOP_CHAR_PTR): Likewise.
6717 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6719 * gcc.c (process_command): Don't assign elements of a const char*.
6721 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6723 * emit-rtl.c (change_address): Don't abort if invalid address while
6724 reload is in progress.
6726 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
6728 * c-lex.c (cb_file_change): Pass line number to
6729 debug_start_source_file.
6730 (cb_undefine): Pass correct line number to debug_undef.
6732 * toplev.c (debug_start_source_file): Add line number to
6733 parameters. Pass it along to dwarf2out_start_source_file.
6734 (decode_g_option): Stop resetting debug level back to normal when
6735 we change debug formats, unless the current level is
6736 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
6739 * toplev.h (debug_start_source_file): Add line number to
6742 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
6745 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
6747 Output debug_macinfo data for starting file if requested.
6748 (dwarf2out_end_source_file): Output debug_macinfo data for ending
6750 (dwarf2out_define): Output debug_macinfo data for defining a macro
6752 (dwarf2out_undef): Output debug_macinfo data for undefining a
6754 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
6755 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
6756 (macinfo_section_label): New. DWARF2 macro info section label.
6757 (dwarf2out_init): If we want macro info, output the start label
6759 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
6760 attribute to the compilation unit die pointing to the macro info.
6762 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
6764 * dwarf2out.c (new_loc_list): Move to inside #ifdef
6765 DWARF2_DEBUGGING_INFO.
6766 (add_loc_descr_to_loc_list): Ditto.
6767 (output_loc_list): Ditto.
6768 Also, fix thinko in curr not being initialized.
6769 (gen_internal_sym): Ditto.
6771 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6773 * emit-rtl.c (replace_equiv_address): New function.
6774 * expr.h (replace_equiv_address): New declaration.
6775 * explow.c (validize_mem): Call it instead of change_address and
6776 also call if -fforce-addr and address is constant.
6777 * expr.c: Replace more calls to change_address with adjust_address
6778 and/or replace_equiv_address or to validize_mem.
6779 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
6780 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
6781 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
6782 * config/i370/i370.md, config/i860/i860.md: Likewise.
6783 * config/i960/i960.md, config/mips/mips.c: Likewise.
6784 * config/mips/mips.md, config/pa/pa.md: Likewise.
6785 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
6786 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
6788 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6790 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
6792 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
6795 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
6797 * doc/include: New directory.
6798 * doc/fdl.texi: Move to doc/include/fdl.texi.
6799 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
6800 * doc/include/funding.texi, doc/include/gpl.texi: New files.
6801 * doc/gcc.texi: Use funding.texi and gpl.texi.
6802 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
6803 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
6804 Update dependencies and use -I $(docdir)/include.
6806 2001-07-04 Anthony Green <green@redhat.com>
6808 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
6810 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6812 * doc/install.texi (sparc64-*-*): Remove garbage.
6814 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
6816 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
6817 Fix typo in last change to use adjust_address.
6819 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6821 * doc/install.texi (Specific): Update information for *-*-solaris*.
6823 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6825 * explow.c (plus_constant_wide): Reinitialize Y for restart.
6827 2001-07-03 Stan Shebs <shebs@apple.com>
6829 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
6830 case for flag_no_mach_text_sections.
6831 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
6832 * config/darwin.c (flag_no_mach_text_sections): Remove.
6833 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
6835 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6837 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
6838 and avoid checking for constant as first operand.
6839 * recog.c (find_constant_term_loc): No longer static.
6840 (adj_offettable_operand): Delete.
6841 * rtl.h (adj_offsettable_operand): Delete declaration.
6842 (find_constant_term): Add declaration.
6843 * caller-save.c: Replace calls to adj_offsettable_operand with calls
6845 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
6846 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
6847 * config/i386/i386.c, config/i386/i386.md: Likewise.
6848 * config/i860/i860.c, config/i960/i960.c: Likewise.
6849 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
6850 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
6851 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
6852 * config/mips/mips.c, config/mips/mips.md: Likewise.
6853 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
6854 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
6855 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
6856 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
6857 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
6858 * config/ns32k/ns32k.md: Likewise.
6860 2001-07-03 Zack Weinberg <zackw@stanford.edu>
6862 * rtl.c (copy_rtx): Handle 'T' format letter.
6863 * gensupport.c (collect_insn_data): Likewise.
6864 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
6866 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
6868 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
6869 -B option. Use 'dir' not 'foo' as example directory name.
6871 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6873 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
6874 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
6876 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
6878 * doc/cppinternals.texi: Improve formatting and logical markup.
6880 2001-07-03 Andreas Jaeger <aj@suse.de>
6882 * Makefile.in (insn-recog.o): Add dependency on reload.h.
6884 * genrecog.c (write_header): Include reload.h for prototypes in
6887 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
6890 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
6891 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
6892 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
6893 i386_pe_valid_type_attribute_p): Add.
6894 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
6895 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
6897 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6899 * explow.c (plus_constant_wide, case LO_SUM): New case.
6900 (plus_constant_for_output_wide): Delete.
6901 * rtl.h (plus_constant_for_output): Delete.
6902 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
6903 instead of plus_constant_for_output.
6904 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
6905 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
6906 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
6907 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
6908 * config/sparc/sparc.md: Likewise.
6909 Convert some change_address calls to adjust_address.
6911 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
6913 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
6914 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
6915 documentation of -std and -Wwrite-strings.
6917 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
6919 * cse.c (canon_hash): Don't register registers in very small
6920 register classes, as extending their lifetime might cause
6923 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6925 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
6927 * flow.c (forwarder_block_p): Fix for fallthru blocks.
6928 (try_redirect_by_replacing_jump): Update properly the count
6929 and frequency information.
6931 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
6933 * toplev.c (dump_file_index): Move SSA dumps just after first
6935 (dump_file): Corresponding changes.
6936 (rest_of_compilation): Move SSA path to just after the first
6938 * doc/gcc.texi (Passes): Update due to movement of SSA path.
6939 * doc/invoke.texi: Update dump file #s as they were completely
6940 out of date with reality.
6942 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
6944 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
6946 * expr.c (emit_move_insn_1): Deal with non-default
6949 * expr.c (emit_single_push_insn): Fix warning.
6951 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6953 * expr.c (emit_move_insn_1): Avoid modifying
6954 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
6956 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6958 * emit-rtl.c (adjust_address): New function.
6959 * expr.h (adjust_address): Add declaration.
6960 * builtins.c: Replace some calls to change_address with calls to it
6962 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
6963 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
6964 * config/arm/arm.c, config/convex/convex.c: Likewise.
6965 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
6966 * config/i386/i386.c, config/i386/i386.md: Likewise.
6967 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
6968 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
6969 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
6970 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
6971 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
6973 2001-07-02 Jim Wilson <wilson@redhat.com>
6975 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
6977 2001-07-02 Steve Ellcey <sje@cup.hp.com>
6979 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
6980 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
6982 2001-07-02 Zack Weinberg <zackw@stanford.edu>
6984 * cppinit.c (lang_defaults): New table.
6985 (set_lang): Just read from lang_defaults into the live options
6988 2001-07-02 Zack Weinberg <zackw@stanford.edu>
6990 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
6991 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
6992 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
6994 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6996 * doc/install.texi: Various spelling and markup fixes.
6997 (Installing GCC): Component specific installation instructions are
7000 Warn about removing old install dir in the presence of shared libs.
7001 (Configuration): Invoke with options target to match configure
7003 Consistently refer to gas, gld pathnames.
7004 Invert --enable-multilib documentation.
7005 Remove references to old compiler versions.
7007 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7009 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
7011 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7013 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
7015 (Specific, mips*-sgi-irix5): Note IDO download.
7016 Reworded MIPS C hints.
7017 Use GNU as instead of GAS.
7019 Removed SGI Freeware reference, IRIX 6 only.
7020 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
7021 Note N64 library requirement/workaround.
7023 Complete list of structure passing bug victims.
7025 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7027 * doc/install.texi: Remove CVS Id.
7029 2001-07-02 Andreas Jaeger <aj@suse.de>
7031 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
7032 (find_inherently_necessary): Remove unused variable.
7034 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
7036 * c-common.h (TDI_inlined): New ast dump phase.
7037 (dump_flag_name): New function.
7038 * c-dump.c (dump_files): Add inlined phase.
7039 (dump_flag_name): Define.
7040 * doc/invoke.texi (-fdump-ast-inlined): Document.
7042 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7044 * stor-layout.c (layout_decl): Revert change to handling of alignment
7047 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7049 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
7052 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
7054 * doc/tm.texi (FUNCTION_ARG): Document that the last call
7057 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
7059 * tlink.c (recompile_files): Remove COMPILER_PATH and
7060 LIBRARY_PATH from the environment.
7062 2001-07-01 Zack Weinberg <zackw@stanford.edu>
7064 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
7065 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
7067 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
7069 * c-parse.in (OBJC_STRING): Kill.
7070 (objc_string): Decompose to [objc_string] '@' STRING.
7071 (reswords): Take the leading '@' off all the Objective C keywords.
7072 (objc_rid_sans_at): Kill.
7073 (init_reswords): Don't initialize it.
7074 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
7075 (_yylex): Kill reconsider label. Look ahead one token after
7076 an '@'; if we get an identifier, check whether it's an
7077 Objective C @-keyword. If so, return the keyword. Otherwise,
7078 put back the token and return the '@' as a terminal.
7080 * cpplib.c (lex_macro_node): Remove unnecessary check for
7081 leading '@' on identifier. Clarify control flow and commentary.
7083 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7085 * cse.c (new_label_ref): Variable deleted.
7086 (insert): Remove set of new_label_ref.
7087 (check_for_label_ref): New function.
7088 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
7090 See ChangeLog.5 for earlier changes.