1 2001-09-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * mips.h (INITIAL_ELIMINATION_OFFSET): Add missing `else abort'.
5 2001-09-01 Neil Booth <neil@daikokuya.demon.co.uk>
7 * cppinit.c (cpp_start_read): Free the imacros list as we
8 traverse it. Don't free the chains before returning.
9 (_cpp_push_next_buffer): Only try pushing buffers if we've
10 completed -imacros handling.
12 2001-08-31 Eric Christopher <echristo@redhat.com>
14 * gcc.c (handle_braces): Add explaination for abort.
16 2001-08-30 Roman Zippel <zippel@linux-m68k.org>
18 * expmed.c (store_bit_field): Update to patch from 2001-08-27:
19 move adjustment of bitpos instead.
21 2001-08-31 Zack Weinberg <zack@codesourcery.com>
23 * function.c: Remove all_functions. Make outer_function_chain
25 (init_function_start): Don't add new function structure to
27 (find_function_data, push_function_context_to,
28 pop_function_context_from, put_var_into_stack,
29 trampoline_address): Update for changed structure element names.
30 (push_function_context_to): Disentangle.
31 (free_after_compilation): Also free F.
32 (expand_dummy_function_end): Don't free cfun here.
33 (put_var_into_stack): Comment why we can't use find_function_data here.
34 (fix_lexical_addr, trampoline_address, ): Use find_function_data.
35 (mark_function_chain): Split into maybe_mark_struct_function and
36 ggc_mark_struct_function. Export the latter.
37 (init_function_once): Mark from cfun and outer_function_chain;
40 * function.h (struct function): Kill next_global. Rename next
41 to outer. All users updated to match.
42 (all_functions, outer_function_chain): Don't declare.
44 * ggc-common.c (ggc_mark_trees): Mark DECL_SAVED_INSNS.
45 * integrate.c (output_inline_function): Clear DECL_SAVED_INSNS,
46 don't touch f->inlinable, after calling rest_of_compilation.
48 * tree.h: Forward-declare struct function. Prototype
49 ggc_mark_struct_function.
51 2001-08-31 Kazu Hirata <kazu@hxi.com>
53 * config/h8300/h8300.md (*andorhi3): Fix typos.
55 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
57 * calls.c (emit_library_call_value): Don't use a fixed
58 argument after VA_CLOSE, i.e. out of scope in traditional C.
60 * emit-rtl.c (gen_rtvec): Likewise.
62 2001-08-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
64 * Makefile.in (c-pragma.o): Depend on output.h.
65 (reorg.o): Depend on except.h.
67 * c-pragma.c: Include output.h.
69 * reorg.c: Include except.h.
71 * unwind-dw2.c: Call __builtin_alloca, not alloca.
73 2001-08-31 Richard Henderson <rth@redhat.com>
75 * sched-deps.c (add_dependence): Don't elide dependancy if the
76 conditional used by insn is modified in elem.
78 2001-08-31 Nick Clifton <nickc@cambridge.redhat.com>
80 * config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Define.
82 2001-08-31 Diego Novillo <dnovillo@redhat.com>
84 * c-decl.c (c_decode_option): Skip '-f' prefix before calling
87 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
89 * config/stormy16/stormy16.c (stormy16_asm_out_destructor): New
91 (stormy16_asm_out_constructor): New function.
92 (TARGET_ASM_CONSTRUCTOR): Define.
93 (TARGET_ASM_DESTRUCTOR): Define.
95 2001-08-31 Andreas Jaeger <aj@suse.de>
97 * gcse.c (add_label_notes): REG_LABEL is an INSN_LIST.
98 * loop.c (add_label_notes): Likewise.
99 * reload.c (find_reloads): Likewise.
100 * config/sh/sh.c (machine_dependent_reorg): Likewise.
102 2001-08-31 Jason Merrill <jason_merrill@redhat.com>
104 * unwind-pe.h (read_uleb128, read_sleb128): Move actual reading
105 code here. Take _Unwind_{W,Sw}ord*.
106 (read_encoded_value_with_base): Use them.
107 * unwind-dw2.c (_Unwind_FrameState): Make cfa_offset and cfa_reg
109 (extract_cie_info): Simplify read_?leb128 handling.
110 (execute_stack_op, execute_cfa_program): Likewise.
111 * unwind-dw2-fde.c (get_cie_encoding): Likewise.
113 2001-08-31 Geoffrey Keating <geoffk@redhat.com>
115 * config/stormy16/stormy16.c (stormy16_expand_epilogue): Use
116 the frame pointer to pop the stack if convenient.
118 * config/stormy16/stormy16.c (stormy16_initialize_trampoline):
119 Don't use post-increment before combine.
120 * config/stormy16/stormy16.h (STATIC_CHAIN_REGNUM): Don't use
121 a call-saved register.
123 2001-08-31 Andreas Jaeger <aj@suse.de>
125 * jump.c (mark_jump_label): Revert patch from 2001-08-28, the
128 2001-08-30 Geoffrey Keating <geoffk@redhat.com>
130 * config/stormy16/stormy16.md (udivmodhi4): Express using UDIV/UMOD,
131 not DIV/MOD, of course.
133 2001-08-30 Vladimir Makarov <vmakarov@redhat.com>
135 * rtl.def: Undo my patch commited 2001-08-27.
137 * genattrtab.c: Ditto.
141 * sched-int.h: Ditto.
143 * target-def.h: Ditto.
147 * haifa-sched.c: Ditto.
149 * sched-rgn.c: Ditto.
151 * sched-vis.c: Ditto.
153 * Makefile.in: Ditto.
155 * doc/md.texi: Ditto.
157 * doc/tm.texi: Ditto.
159 * doc/contrib.texi: Ditto.
161 * doc/gcc.texi: Ditto.
163 * genattrtab.h: Remove it.
165 * genautomata.c: Remove it.
167 * genattr.c: Undo my patch and Richard Henderson's patch commited
170 Thu Aug 30 19:22:15 2001 J"orn Rennecke <amylaar@redhat.com>
172 * config.gcc (h8300-*-elf*): New case.
173 * h8300.h (CPP_SPEC): Add subtarget_cpp_spec.
174 (SUBTARGET_CPP_SPEC): Define.
175 (EXTRA_SPECS): Define.
176 (SUBTARGET_EXTRA_SPECS): Define.
177 * config/h8300/crti.asm, config/h8300/crtn.asm: New files.
178 * config/h8300/elf.h, config/h8300/t-elf: Likewise.
180 Thu Aug 30 18:50:37 2001 J"orn Rennecke <amylaar@redhat.com>
182 * t-h8300 (LIB1ASMFUNCS): Add _fixunssfdi and _fixunssfsi_asm.
183 (LIB2FUNCS_EXTRA): Define.
184 config/h8300/lib1funcs.asm: New part: L_fixunssfsi_asm .
185 config/h8300/fixunssfsi.c: New file.
187 2001-08-30 Kazu Hirata <kazu@hxi.com>
189 * config/h8300/h8300.md (zero_extendqihi2): Changes to
190 define_expand to accomodate target-specific attributes.
191 (anonymous zero_extendqihi2 patterns): New.
193 Thu Aug 30 18:10:56 2001 J"orn Rennecke <amylaar@redhat.com>
195 * h8300.md (*andorhi3): New pattern.
197 Thu Aug 30 16:00:31 2001 J"orn Rennecke <amylaar@redhat.com>
199 * h8300.c (dosize): Fix test for "sub".
201 Thu Aug 30 10:21:43 2001 J"orn Rennecke <amylaar@redhat.com>
203 * c-typeck.c (pointer_diff): Try to eliminate common term before
206 2001-08-30 Nick Clifton <nickc@cambridge.redhat.com>
208 * config/arm/arm.c (arm_compute_initial_elimination_offset):
209 Account for the saves of the FP registers.
211 * config/arm/unknown-elf.h (TEXT_SECTION): Delete.
212 (TEXT_SECTION_ASM_OP): Define.
213 (INIT_SECTION_ASM_OP): Define.
214 (FINI_SECTION_ASM_OP): Define.
215 (SUBTARGET_EXTRA_SECTIONS): Remove trailing comma.
216 (RDATA_SECTION_FUNCITON): Provide prototype.
218 2001-08-29 Geoffrey Keating <geoffk@redhat.com>
220 * reload1.c (move2add_note_store): Correct typo checking for
223 2001-08-29 Andrew MacLeod <amacleod@redhat.com>
225 * gcse.c (compute_hash_table): The SRC part of an insn with a RETVAL
226 note should not be considered outside the libcall block.
228 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
230 * genattrtab.c (attr_printf): Use VA_OPEN/VA_FIXEDARG/VA_CLOSE.
232 2001-08-29 Kazu Hirata <kazu@hxi.com>
234 * config/h8300/h8300.md (movsi_h8300hs): Make it 64-bit safe.
236 2001-08-29 Kazu Hirata <kazu@hxi.com>
238 * config/h8300/h8300-protos.h: Add a prototype for
240 * config/h8300/h8300.c (emit_logical_op): New.
241 * config/h8300/h8300.md (andhi3): Use emit_logical_op.
248 2001-08-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
250 * pa.c (move_operand): Cast GET_MODE_SIZE results to HOST_WIDE_INT for
251 comparison with rtx INTVAL.
252 (pa_output_function_prologue): Don't mix signed and unsigned in `?'
254 * pa.h (FUNCTION_ARG_SIZE): Likewise.
256 2001-08-29 Kazu Hirata <kazu@hxi.com>
258 * config/h8300/lib1funcs.asm: Update the copyright. Fix
261 2001-08-29 Kazu Hirata <kazu@hxi.com>
263 * config/h8300/h8300.md (anonymous movhi pattern): Don't move
264 (reg n) to (mem (pre_dec (reg n))
265 (anonymous movsi pattern): Likewise.
267 2001-08-29 Kazu Hirata <kazu@hxi.com>
269 * config/h8300/h8300.h (RETURN_ADDR_RTX): New.
271 2001-08-29 Kazu Hirata <kazu@hxi.com>
273 * config/h8300/h8300.md (movsi_h8300hs): Optimize loading of
274 several special constants.
276 2001-08-29 Kazu Hirata <kazu@hxi.com>
278 * config/h8300/lib1funcs.asm: Fix comment typos.
280 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
282 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
283 Fix format specifier warnings.
285 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
286 inet_makeaddr, semctl): Prototype.
288 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
289 (save_restore_insns): Use base_offset, not gp_offset.
291 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
292 (ASM_OUTPUT_BYTE): Fix format specifier warning.
294 2001-08-29 Richard Henderson <rth@redhat.com>
296 * bb-reorder.c (function_tail_eff_head): New.
297 (record_effective_endpoints): Set it.
298 (fixup_reorder_chain): Use it.
300 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
302 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
304 2001-08-28 Dale Johannesen <dalej@apple.com>
306 * config/darwin.c (machopic_function_base_name): Add const
307 qualifier to a string.
308 (darwin_encode_section_info): Ditto.
310 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
312 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
315 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
317 * df.h (struct df): Add rts_order variable.
319 * df.c (df_visit_next_rts): New function.
320 (df_visit_next): Renamed to df_visit_next_rc
321 (df_analyse_1): Allocate/compute/free rts_order as well.
322 (df_rd_global_compute): Use df_visit_next_rc instead of
324 (df_ru_global_compute): Use df_visit_next_rts instead of
327 * flow.c (flow_reverse_top_sort_order_compute): New function.
329 * basic-block.h: Add prototype.
331 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
333 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
334 blocks, the BB_REACHABLE is now set, rather than aux being
335 non-NULL. Update the test to reflect this.
337 2001-08-28 Eric Christopher <echristo@redhat.com>
339 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
340 config/mips/crti.asm: Ditto.
342 2001-08-28 Eric Christopher <echristo@redhat.com>
343 Richard Henderson <rth@redhat.com>
345 * c-pragma.h (add_weak): Move prototype from here...
346 * output.h (add_weak): ... to here.
347 * varasm.c (add_weak): Fix typo.
348 * config/mips/crti.asm: New file.
349 * config/mips/crtn.asm: Ditto.
350 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
351 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
352 (INVOKE__main): Ditto.
353 (INIT_SECTION_ASM_OP): New.
354 (FINI_SECTION_ASM_OP): Ditto.
355 (STARTFILE_SPEC): Add crti.
356 (ENDFILE_SPEC): Add crtn.
357 * config/mips/elf64.h: Same.
358 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
360 * config/mips/vxworks.h: Ditto.
361 * config/mips/t-elf: Support crti and crtn.
363 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
365 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
368 2001-08-28 Richard Henderson <rth@redhat.com>
370 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
371 (one_cmplbi2 splitter): Remove redundant test.
373 2001-08-28 Dale Johannesen <dalej@apple.com>
375 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
377 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
379 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
381 2001-08-28 Stan Shebs <shebs@apple.com>
383 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
384 (UNALIGNED_SHORT_ASM_OP): Define.
385 (UNALIGNED_INT_ASM_OP): Define.
387 2001-08-28 Will Cohen <wcohen@redhat.com>
389 * config/rs6000/rs6000.md (store_multiple): Correct RTL
390 generation for first set.
392 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
394 * flow.c (redirect_edge_succ_nodup): Return new edge.
395 (try_simplify_condjump): Use new edge.
396 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
398 * cse.c (cse_basic_block): Skip note instructions.
400 2001-08-27 Richard Henderson <rth@redhat.com>
402 * combine.c (combine_simplify_rtx): Don't reverse condition
403 if there is no reverse for the condition.
404 (simplify_comparison): Don't simplify subregs from INT to FP.
406 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
407 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
408 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
409 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
410 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
411 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
413 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
415 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
416 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
418 (adddi_dilshr32, adddi_dishl32): Only data register can be
419 source for mem destination.
421 * expmed.c (store_bit_field): Ignore adjustment to bitpos
422 and use bitnum to decide about register move.
424 2001-08-27 Richard Henderson <rth@redhat.com>
426 * genattr.c (main): Emit state_t even when not doing scheduling.
428 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
429 Richard Henderson <rth@redhat.com>
431 * gcse.c (reg_first_set, reg_last_set): Replace with ...
432 (reg_avail_info, current_bb): ... these.
433 (oprs_unchanged_p, record_last_reg_set_info): Use them.
434 (compute_hash_table): Likewise.
436 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
438 * flow.c (verify_flow_info): Use checksums to verify edges.
440 2001-08-27 Richard Henderson <rth@redhat.com>
442 * genautomata.c (expand_automata): Always create a description.
444 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
446 * optabs.c (expand_binop): Correctly handle the carry in multiword
447 add/subtract operations.
449 2001-08-27 Fred Fish <fnf@be.com>
451 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
454 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
456 * reload.c (find_reloads_toplev): Back out this change:
458 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
460 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
461 mem if the address is a mode_dependent_address_p.
463 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
465 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
466 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
467 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
470 * genattr.c (main): New variable num_insn_reservations. Increase
471 it if there is DEFINE_INSN_RESERVATION. Output automaton based
472 pipeline hazard recognizer interface.
474 * genattrtab.h: New file.
476 * genattrtab.c: Include genattrtab.h.
477 (attr_printf, check_attr_test, make_internal_attr,
478 make_numeric_value): Move protypes into genattrtab.h. Define them
480 (num_dfa_decls): New global variable.
481 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
482 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
483 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
484 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
486 * genautomata.c: New file.
488 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
490 * sched-int.h: (curr_state): Add the external definition for
491 automaton pipeline interface.
492 (haifa_insn_data): Add comments for members blockage and units.
494 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
495 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
496 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
497 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
498 TARGET_SCHED_DFA_POST_CYCLE_INSN,
499 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
500 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
502 (TARGET_SCHED): Use the new macros.
504 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
505 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
506 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
507 dfa_bubble): New members in gcc_target.sched.
509 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
510 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
511 (insn_queue): Redefine it as pointer to array.
512 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
514 (max_insn_queue_index_macro_value): New variable.
515 (curr_state, dfa_state_size, ready_try): New varaibles for
517 (ready_element, ready_remove, max_issue): New function prototypes
518 for automaton interface.
519 (choose_ready): New function prototype.
520 (insn_unit, blockage_range): Add comments.
521 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
522 FUNCTION_UNITS_SIZE == 0.
523 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
524 actual_hazard, potential_hazard): Add comments.
525 (insn_cost): Use cost -1 as undefined value. Remove
526 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
528 (ready_element, ready_remove): New functions for automaton
530 (schedule_insn): Add new code for automaton pipeline interface.
531 (queue_to_ready): Add new code for automaton pipeline interface.
532 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
533 (debug_ready_list): Print newline when the queue is empty.
534 (max_issue): New function for automaton pipeline interface.
535 (choose_ready): New function.
536 (schedule_block): Add new code for automaton pipeline interface.
537 Print ready list before scheduling each insn.
538 (sched_init): Add new code for automaton pipeline interface.
539 Initiate insn cost by -1.
540 (sched_finish): Free the current automaton state and finalize
541 automaton pipeline interface.
543 * sched-rgn.c: Include target.h.
544 (init_ready_list, new_ready, debug_dependencies): Add new code for
545 automaton pipeline interface.
547 * sched-vis.c: Include target.h.
548 (get_visual_tbl_length): Add code for automaton interface.
549 (target_units, print_block_visualization): Add comments.
551 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
552 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
553 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
554 (getruntime.o, genautomata.o): New entries.
555 (genattrtab.o): Add new dependency file genattrtab.h.
556 (genattrtab): Add new dependencies. Link it with `libm.a'.
557 (getruntime.o, hashtab.o): New entries for canadian cross.
559 * doc/md.texi: Description of automaton based model.
561 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
563 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
564 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
565 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
566 TARGET_SCHED_DFA_POST_CYCLE_INSN,
567 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
568 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
569 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
571 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
572 MAX_DFA_ISSUE_RATE): New macro descriptions.
574 * doc/contrib.texi: Add dfa based scheduler contribution.
576 * doc/gcc.texi: Add more information about genattrtab.
578 2001-08-27 Diego Novillo <dnovillo@redhat.com>
580 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
583 2001-08-27 Richard Henderson <rth@redhat.com>
585 * function.c (expand_function_end): Don't init arg_pointer_save_area.
586 (get_arg_pointer_save_area): New. Create an init it here.
587 (fix_lexical_addr): Use it.
588 * function.h: Declare it.
589 * builtins.c (expand_builtin_setjmp_receiver): Use it.
590 * stmt.c (expand_nl_goto_receiver): Use it.
592 2001-08-27 Richard Henderson <rth@redhat.com>
594 * final.c (final_scan_insn): Don't enter APP_ON mode for
597 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
598 alignment for assemble_integer for DW_EH_PE_aligned.
599 * except.c (output_function_exception_table): Likewise.
601 2001-08-26 Andreas Jaeger <aj@suse.de>
603 * c-tree.h: Add prototyp for c_sizeof_nowarn.
605 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
607 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
609 2001-08-27 Alan Modra <amodra@bigpond.net.au>
611 * config/rs6000/rs6000.c (mask_operand): Rewrite without
613 (mask64_operand): Likewise.
614 (rldic_operand): Delete.
615 (includes_lshift64_p): Delete.
616 (includes_rldic_lshift_p): New function.
617 (includes_rldicr_lshift_p): New function.
618 (print_operand): Don't call rldic_operand in case 'W'.
619 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
620 (includes_lshift64_p): Remove.
621 (includes_rldic_lshift_p): Declare.
622 (includes_rldicr_lshift_p): Declare.
623 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
624 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
625 Replace match_operand rldic_operand predicate with
626 const_int_operand. Replace includes_lshift64_p condition with
627 includes_rldic_lshift_p.
628 <ashldi3_internal 64 bit rldicr patterns>: New.
630 2001-08-27 Andreas Jaeger <aj@suse.de>
632 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
633 * errors.c: Likewise.
635 * dwarf2asm.c: Likewise.
636 * doprint.c (checkit): Likewise.
637 * diagnostic.c: Likewise.
638 * collect2.c: Likewise.
640 * c-semantics.c (build_stmt): Likewise.
641 * c-format.c (status_warning): Likewise.
642 * c-errors.c (pedwarn_c99): Likewise.
643 * builtins.c (validate_arglist): Likewise.
644 * config/pj/pj.c (pj_printf): Likewise.
645 * fix-header.c: Likewise.
647 * gcov.c (fnotice): Likewise.
648 * gensupport.c (message_with_line): Likewise.
649 * mips-tfile.c: Likewise.
650 * protoize.c (notice): Likewise.
651 * read-rtl.c (fatal_with_file_and_line): Likewise.
652 * rtl-error.c: Likewise.
653 * tradcpp.c: Likewise.
655 * cp/tree.c (build_min_nt): Likewise.
656 (build_min): Likewise.
657 * cp/lex.c: Likewise.
658 * cp/errfn.c: Likewise.
659 * cp/rtti.c (create_pseudo_type_info): Likewise.
661 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
663 * df.c (df_uses_record): Return after recording all uses
666 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
668 * df.c (df_insn_modify): Realloc the INSN table here, if
669 necessary, here, too.
671 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
673 * config/mips/mips.c (mips_function_value): Handle complex return
676 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
678 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
680 * reload.c (make_memloc): Copy result if it is still
681 reg_equiv_memory_loc[regno] on return.
682 (subst_reloads) [ENABLE_CHECKING]: Check that none of
683 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
684 reg_equiv_mem are modified by the substitutions.
686 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
688 * predict.c (expensive_function_p): New.
689 * rtl.h (expensive_function_p): Declare.
690 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
691 (use_fast_prologue_epilogue): New static variable.
692 (expand_prologue): Set it; emit short prologues if unset.
693 (expand_epilogue): Likewise.
695 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
697 * config.gcc: Add stormy16-*-elf case.
698 * config/stormy16/stormy-abi: New file.
699 * config/stormy16/stormy16-lib2.c: New file.
700 * config/stormy16/stormy16-protos.h: New file.
701 * config/stormy16/stormy16.c: New file.
702 * config/stormy16/stormy16.h: New file.
703 * config/stormy16/stormy16.md: New file.
704 * config/stormy16/t-stormy16: New file.
706 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
708 * i386.h (no-accumulate-outgoing-args): Use proper mask.
710 2001-08-24 David Edelsohn <edelsohn@gnu.org>
712 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
713 descriptor members are pointer size, not constant 4.
714 * config/rs6000/rs6000.md (define_splits): Remove more unused
717 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
719 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
721 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
723 * cp/rtti.c (VPARAMS): Fix parameter.
725 2001-08-24 Zack Weinberg <zackw@panix.com>
727 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
729 (mode_for_extraction): No need for #ifdefs. Add default-case abort
731 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
732 in if controlling use of insv.
733 (extract_bit_field): Likewise, for extv and extzv.
735 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
737 * i386.md (movcc peep2): Fix load of 0.
739 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
741 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
742 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
744 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
746 * c-pragma.h: Move weak_syms and weak_decls...
747 * varasm.c: ...here. Now static.
748 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
749 depend on HANDLE_PRAGMA_WEAK.
751 * c-common.c (c_alignof, c_alignof_expr): Move here...
752 * c-typeck.c: ...from here.
753 * c-tree.h, c-common.h: Adjust.
755 2001-08-23 Bernd Schmidt <bernds@redhat.com>
757 * config/ia64/ia64.c (rws_update): If !pred, set write_count
758 instead of incrementing it.
760 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
761 asm ready, don't try to move them all into the same array element.
763 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
765 * function.c (thread_prologue_and_epilogue_insns): Avoid
766 fallthru flag on edge to exit.
768 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
770 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
773 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
775 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
776 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
777 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
780 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
782 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
783 replace "GNU CC" with "GCC".
785 2001-08-23 Richard Henderson <rth@redhat.com>
787 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
788 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
789 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
790 Need GR between FR and not GR_AND_FR.
791 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
792 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
793 AR regs before GR regs.
794 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
795 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
796 (REGISTER_MOVE_COST): Update.
797 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
799 2001-08-23 Richard Henderson <rth@redhat.com>
801 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
804 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
806 * reload1.c (emit_reload_insns): Don't look for notes
807 on a NULL store_insn.
809 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
811 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
812 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
813 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
814 format specifier warnings.
815 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
817 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
819 * config/i386/i386-protos.h: Correct declaration of
820 i386_pe_asm_named_section.
822 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
824 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
826 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
828 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
830 * cpperror.c (print_location): Don't show _Pragma.
831 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
832 and file change callback generation here.
833 (stack_include_file): Update use of cpp_push_buffer.
834 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
835 (struct cpp_buffer): Remove type, pfile members.
836 * cppinit.c (cpp_handle_option): Use free_chain.
837 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
838 (skip_escaped_newlines, get_effective_char, lex_percent): Take
839 a cpp_reader rather than a cpp_buffer.
840 (skip_escaped_newlines, get_effective_char, skip_block_comment,
841 skip_line_comment, parse_string, lex_percent, lex_dot,
842 _cpp_lex_token): Update accordingly.
843 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
845 (cpp_push_buffer): Update prototype.
846 (run_directive): Update use of cpp_push_buffer.
847 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
848 handle_assertion): Update use of run_directive.
849 * cpplib.h (enum cpp_buffer_type): Remove.
850 (cpp_push_buffer): Update prototype.
851 * fix-header.c (read_scan_file): Update.
853 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
855 * gcc.c (struct prefix_list): Change prefix to const char *.
857 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
859 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
861 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
863 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
866 * jump.c (squeeze_notes): Take parms by reference. Handle END being
869 * ifcvt.c (dead_or_predicable): Adjust.
870 * loop.c (find_and_verify_loops): Adjust.
871 * stmt.c (expand_end_case): Adjust.
872 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
873 head and end insn pointers in the basic block, not just local copies.
874 (merge_blocks_move_predecessor_nojumps): Likewise.
876 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
878 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
879 bitmap.h, builtin-types.def, builtins.c, builtins.def,
880 c-aux-info.c, c-common.c, c-common.def, c-common.h,
881 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
882 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
883 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
884 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
885 conditions.h, config.gcc, configure.frag, configure.in,
886 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
887 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
888 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
889 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
890 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
891 emit-rtl.c, errors.c, errors.h, except.c, except.h,
892 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
893 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
894 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
895 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
896 gencheck.c, gencodes.c, genconfig.c, genemit.c,
897 genextract.c, genflags.c, gengenrtl.c, genmultilib,
898 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
899 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
900 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
901 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
902 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
903 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
904 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
905 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
906 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
907 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
908 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
909 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
910 params.h, predict.c, predict.def, predict.h, prefix.c,
911 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
912 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
913 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
914 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
915 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
916 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
917 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
918 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
919 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
920 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
921 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
922 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
923 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
924 xcoffout.h: replace "GNU CC" with "GCC".
926 2001-08-21 Richard Henderson <rth@redhat.com>
928 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
929 (final_scan_insn): Consider jump tables data even if we have no
930 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
932 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
933 (ASM_OUTPUT_CASE_END): Remove.
934 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
935 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
936 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
938 2001-08-21 Richard Henderson <rth@redhat.com>
940 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
941 at barrier insns. Emit stop bits before barriers.
943 * flow.c (flow_find_cross_jump): Don't consider unconditional
944 return insns for commoning.
946 * final.c (compute_alignments): Fix typo.
948 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
949 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
950 (store_bit_field): Use mode_for_extraction more places.
951 (extract_bit_field): Likewise.
953 2001-08-21 Zack Weinberg <zackw@panix.com>
955 * caller-save.c: Don't include insn-codes.h.
956 (reg_save_code, reg_restore_code): Make arrays of int.
957 All uses updated to match.
958 (insert_save, insert_restore): No need to initialize "code"
959 variable upon declaration.
960 * Makefile.in: update dependencies; fix typo in clean rule.
962 2001-08-21 Richard Henderson <rth@redhat.com>
964 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
965 (merge_if_block): Handle fallout from same.
967 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
969 * builtins.c (type_to_class): Fix typo in last change.
971 2001-08-21 Richard Henderson <rth@redhat.com>
973 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
974 ia64_asm_output_label.
976 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
977 copy of gp while the real gp register contains garbage.
979 2001-08-21 Zack Weinberg <zackw@panix.com>
981 * expmed.c (mode_for_extraction): New function.
982 (store_bit_field, extract_bit_field): Use it.
983 * expr.h: Prototype it and provide an enum for its first argument.
985 * combine.c, function.c, recog.c: Don't include insn-codes.h.
986 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
987 and digging through the insn_data tables.
988 * Makefile.in: Update dependencies.
990 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
992 * cppfiles.c (stack_include_file): line-map.c now handles include
994 (handle_missing_handler): Similarly.
995 (_cpp_execute_include): Similarly.
996 (_cpp_pop_file_buffer): Similarly.
997 * cpphash.h (struct cpp_reader): Remove system_include_depth,
998 buffer_stack_depth and include_depth.
999 * cpplib.c (do_include_common): line-map.c now handles include depth.
1000 (cpp_push_buffer): Similarly.
1001 (_cpp_pop_buffer): Similarly.
1002 * cppmacro.c (builtin_macro): Update.
1003 * line-map.c (init_line_maps): Set depth.
1004 (add_line_map): Increment "used" earlier. Update and use the
1006 (trace_include): Use the include depth.
1007 * line-map.h (struct line_maps): New member depth.
1009 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
1011 * cppfiles.c (stack_include_file): Don't handle -H here.
1012 * cppinit.c (cpp_start_read): Set include tracing after
1013 cpp_post_options and after stacking the main file.
1014 * line-map.c (trace_include): New.
1015 (init_line_maps, add_line_map): Update.
1016 * line-map.h (struct line_maps): New member trace_includes.
1018 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
1020 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
1021 * cppfiles.c (stack_include_file): Only stack a file if there
1022 is something to do. Return a boolean indicating whether a
1023 buffer was stacked or not.
1024 (_cpp_execute_include): Similarly.
1025 (_cpp_read_file): Similarly.
1026 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
1028 2001-08-21 Sam Steingold <sds@gnu.org>
1030 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
1031 (RECACHE): keep obufp_before_macroname up to date
1033 2001-08-21 Zack Weinberg <zackw@panix.com>
1035 * stmt.c: Don't include insn-codes.h.
1036 (expand_end_case): Machine specific logic moved to expr.c.
1037 No need to worry about __builtin_classify_type.
1038 (check_for_full_enumeration_handling, emit_case_nodes):
1041 * builtins.o (expand_builtin_classify_type): Split up so code
1042 can be shared with fold_builtin_classify_type.
1043 (type_to_class, fold_builtin_classify_type): New functions.
1044 (fold_builtins): Handle __builtin_classify_type.
1046 * expr.c (do_tablejump): Now static.
1047 (case_values_threshold, try_casesi, try_tablejump): New;
1048 code mostly from stmt.c (expand_end_case).
1049 (expr.h): Update prototypes.
1051 * Makefile.in (stmt.o): Update dependencies.
1053 2001-08-21 Will Cohen <wcohen@redhat.com>
1055 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
1056 declaration of variable i.
1057 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
1058 declaration of variable i.
1060 2001-08-21 Richard Henderson <rth@redhat.com>
1062 * crtstuff.c: Fix thinko last change. Move list tails to start
1063 of CRT_END section. Tidy ifdefs.
1064 (__EH_FRAME_BEGIN__): Always static for ELF.
1065 (__do_global_ctors_1): Rename from __frame_dummy.
1066 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
1067 name change; don't hide __EH_FRAME_BEGIN__.
1069 2001-08-21 Richard Henderson <rth@redhat.com>
1071 * gdbinit.in: Move break on exit after break on fancy_abort.
1073 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
1076 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
1078 * cpphash.h (_cpp_push_next_buffer): New.
1079 * cppinit.c (do_includes): Remove.
1080 (push_include, free_chain, _cpp_push_next_buffer): New.
1081 (cpp_start_read): Use them to rework command line option handling.
1082 (cpp_handle_option): Combine handling of -include and -imacros.
1083 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
1084 appropriate. Always insert missing \n at EOF.
1085 * cpplib.c (start_directive): Get the directive position right.
1086 * cppmain.c (cb_file_change): Always print the first line, unless
1089 2001-08-20 Andreas Jaeger <aj@suse.de>
1091 * profile.c (compute_branch_probabilities): Remove extra new-line
1093 * flow.c (verify_flow_info): Likewise.
1095 2001-08-20 Diego Novillo <dnovillo@redhat.com>
1097 * basic-block.h (basic_block): Add new field 'flags'.
1098 (BB_REACHABLE): Define.
1099 (expunge_block): Declare.
1100 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
1101 (EXIT_BLOCK_PTR): Ditto.
1102 (expunge_block): Remove static declaration.
1103 (cleanup_cfg): Clear bb->aux on every basic block.
1104 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
1105 computing reachability.
1106 (delete_unreachable_blocks): Delete block b if b->flags has
1109 2001-08-20 Diego Novillo <dnovillo@redhat.com>
1111 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
1113 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1115 * sparc.c (sparc_variable_issue): Fix typo in last change.
1117 2001-08-20 Richard Henderson <rth@redhat.com>
1119 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
1121 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
1123 * pa.h (RETURN_IN_MEMORY): Improve comment.
1125 2001-08-20 Janis Johnson <janis187@us.ibm.com>
1127 * doc/invoke.texi (Profiling options): Clarify the interactions
1128 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
1130 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
1132 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
1135 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1137 * gcc.c (make_relative_prefix): Allocate a sufficiently large
1140 2001-08-20 Richard Henderson <rth@redhat.com>
1142 * final.c (end_final): Fix typo last change.
1144 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
1146 * cppinit.c (init_standard_includes): The returned buffer
1147 is already malloc-ed.
1148 * gcc.c (add_prefix): Similarly.
1149 * prefix.c (translate_name): Update to support clear buffer
1151 (update_path): Similarly. Be sure to free any newly allocated
1152 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
1154 * prefix.h (update_path): Update prototype and document.
1155 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
1156 up and update to new buffer ownership rules.
1157 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
1159 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1161 * final.c (compute_alignments): New function.
1162 (init_insn_lengths): Do not care label_align.
1163 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
1164 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
1165 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
1166 (shorted_branches): Realloc label_align array; do
1167 not call init_insn_lengths; Do not care about loop alignments.
1168 * output.h (compute_alignments): Declare.
1169 * toplev.c (rest_of_compilation): Call compute_alignments.
1170 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
1172 * predict.c (block_info_def): Add npredecesors, remove nvisited;
1173 change visited to tovisit.
1174 (propagate_freq): Use faster traversing algorithm.
1175 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
1176 to tovisit; reverse meaning.
1178 * predict.c (struct block_info_def): Remove nvisited.
1179 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
1180 (estimate_bb_frequencies): Call mark_dfs_back_edges.
1182 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
1184 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
1185 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
1186 (TARGET_FUSED_MADD): New.
1187 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
1188 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
1189 the multiply-add instructions.
1191 2001-08-19 Richard Henderson <rth@redhat.com>
1193 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
1194 is aligned to pointer size.
1196 2001-08-19 Richard Henderson <rth@redhat.com>
1198 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
1199 display markers during final schedule.
1201 2001-08-19 Richard Henderson <rth@redhat.com>
1203 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
1205 2001-08-19 Richard Henderson <rth@redhat.com>
1207 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
1209 (ASM_NAME_TO_STRING): Remove.
1210 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
1211 in the same string. Remove support for expressions.
1213 2001-08-19 Richard Henderson <rth@redhat.com>
1215 * config/i386/i386.md (tablejump): Make an expander; handle
1216 pic relative addressing here.
1217 (tablejump_1): Rename from tablejump_pic.
1220 2001-08-19 Richard Henderson <rth@redhat.com>
1222 * regclass.c (fix_register): Fix typo.
1224 2001-08-18 Richard Henderson <rth@redhat.com>
1226 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
1227 (struct _Unwind_Context): Expand br_loc to hold it.
1228 (uw_frame_state_for): Handle leaf functions better.
1229 (uw_update_reg_address): Update for br_loc change.
1231 2001-08-18 Richard Henderson <rth@redhat.com>
1233 * crtstuff.c: Move list heads before code that uses them.
1234 (__JCR_LIST__): Remove initial null.
1235 (frame_dummy, __frame_dummy): Do java registration here ...
1236 (__do_global_ctors_aux): ... not here.
1238 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
1239 (__do_global_dtors_aux): Update to match.
1240 (__JCR_LIST__, __do_jv_register_classes): New.
1242 * config/ia64/crtend.asm (__JCR_END__): New.
1243 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
1244 instead of an indirect LTOFF22 reloc.
1246 2001-08-18 Richard Henderson <rth@redhat.com>
1248 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
1249 * regclass.c (init_reg_sets_1): Fix typo.
1250 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
1251 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
1252 (ia64_compute_frame_size): Make ar.unat live when in use.
1253 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
1254 for ar.pfs; remove ar.unat handling.
1255 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
1257 (PREDICATE_CODES): Add ar_pfs_reg_operand.
1258 * config/ia64/ia64-protos.h: Update decls.
1259 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
1260 (sibcall_pic): Likewise.
1262 2001-08-18 Richard Henderson <rth@redhat.com>
1264 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
1265 pred_rel_mutex when searching for insn_group_barrier.
1266 * config/ia64/ia64.md (cycle_display): Combine the expander
1269 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
1270 bit before asm as needed.
1272 2001-08-18 Richard Henderson <rth@redhat.com>
1274 * timevar.def (TV_MACH_DEP): New.
1275 * toplev.c (rest_of_compilation): Use it.
1276 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
1278 2001-08-18 Zack Weinberg <zackw@panix.com>
1280 * unwind-dw2.c (execute_stack_op): Add default aborts to
1281 the inner switches to prevent warnings.
1283 2001-08-18 Richard Henderson <rth@redhat.com>
1285 * timevar.h (struct timevar_time_def): Change element type to float.
1286 (ticks_to_msec, clocks_to_msec): Likewise.
1287 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
1288 (get_time): Likewise.
1289 (timevar_print): Adjust zero check and printing to match.
1291 2001-08-18 Zack Weinberg <zackw@panix.com>
1293 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
1294 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
1295 Eliminate overfull or underfull hboxes.
1297 2001-08-18 Zack Weinberg <zackw@panix.com>
1299 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
1301 2001-08-18 Zack Weinberg <zackw@panix.com>
1303 * haifa-sched.c: Convert to target hooks. Macros replaced
1304 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
1305 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
1306 MD_SCHED_FINISH, and HAVE_cycle_display.
1307 * target-def.h (TARGET_SCHED_ADJUST_COST,
1308 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
1309 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
1310 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
1311 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
1312 New hook #defines to be overridden.
1313 (TARGET_SCHED): Bring them all together.
1314 (TARGET_INITIALIZER): Update.
1315 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
1316 instead of 'struct rtx_def *' throughout.
1317 (struct sched): New set of hooks for the scheduler.
1318 * Makefile.in (haifa-sched.o): Depend on target.h.
1319 * doc/tm.texi: Document the new scheduler hooks, together in
1320 their own section, instead of scattered around.
1321 Fix a bunch of underfull/overfull hboxes.
1323 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
1324 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
1325 sparc.h: Don't define any of the old scheduler macros.
1327 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
1328 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
1329 sparc.c: Create hook functions from code extracted from
1330 corresponding target header, or make existing hooks static, as
1331 appropriate. Set the appropriate entries in targetm.
1333 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
1334 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
1335 rs6000-protos.h, s390-protos.h, sparc-protos.h:
1336 Remove prototypes for functions which are now static.
1338 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
1339 related gunk; the Haifa scheduler is now the only choice.
1341 2001-08-18 Zack Weinberg <zackw@panix.com>
1343 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
1344 * genopinit.c: Put floating point divide insns in sdiv_optab.
1345 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
1346 * config/gofast.h, config/c4x/c4x.h,
1347 config/ia64/hpux_longdouble.h, config/mips/mips.h,
1348 config/pa/long_double.h, config/rs6000/sysv4.h,
1349 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
1350 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
1351 (init_optabs): Use init_optabv for overflow-trapping optabs.
1352 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
1353 cmp_optab RTX codes so have_insn_for can find them.
1355 * optabs.c (expand_simple_binop, expand_simple_unop,
1356 have_insn_for, gen_sub3_insn): New interfaces.
1357 * expr.h: Prototype new functions.
1358 (enum optab_methods): Move here from optabs.h.
1360 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
1361 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
1362 Use new functions instead of working directly with optabs.
1363 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
1364 unroll.c: Don't include optabs.h.
1365 * caller-save.c, combine.c, function.c, stmt.c: Just include
1366 insn-codes.h, not optabs.h.
1367 * Makefile.in: Update dependencies.
1369 * combine.c (make_compound_operation, simplify_comparison):
1370 Fix typos testing for this or that instruction.
1372 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1374 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
1375 generating libgcc.a.
1377 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1379 * except.c (TYPE_HASH): Delete.
1381 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
1384 * tree.c (TYPE_HASH): Delete.
1386 * tree.h (TYPE_HASH): Define.
1388 2001-08-18 Graham Stott <grahams@redhat.com>
1390 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
1392 (adddi3_internal_2+2): Likewise.
1393 (eh_set_lr_di+1): Likewise.
1395 2001-08-17 Richard Henderson <rth@redhat.com>
1397 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1398 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
1399 * dwarf2asm.c: ... here.
1400 * dwarfout.c: Remove them.
1402 * varasm.c (assemble_integer): Add align parameter.
1403 (assemble_real, output_constant, output_constructor): Likewise.
1404 * output.h: Update decls.
1405 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
1406 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
1407 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
1408 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
1409 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
1412 * final.c (end_final): Abort profile block generation if we
1413 havn't layed it out properly.
1414 * output.h (assemble_eh_integer): Remove stale decl.
1415 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
1417 (assemble_integer): Handle unaligned data.
1418 (assemble_real): Abort on unaligned data.
1419 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
1421 (default_dtor_section_asm_out_destructor): Use assemble_align.
1422 (default_named_section_asm_out_constructor): Likewise.
1423 (default_ctor_section_asm_out_constructor): Likewise.
1424 * config/darwin.c (machopic_asm_out_constructor): Likewise.
1425 (machopic_asm_out_destructor): Likewise.
1426 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
1427 (nextstep_asm_out_destructor): Likewise.
1428 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
1429 (vms_asm_out_destructor): Likewise.
1431 2001-08-17 Richard Henderson <rth@redhat.com>
1433 * config/mips/iris6.h (TARGET_IRIX6): New.
1434 (current_section_name, current_section_flags): New.
1435 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
1436 (MAX_OFILE_ALIGNMENT): New.
1437 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
1438 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
1439 (copy_file_data): Split out from
1440 (mips_asm_file_end): ... here.
1441 (mips_asm_file_start): Remove extra .section directive. Use
1442 tmpfile instead of mips_make_temp_file.
1443 (mips_unique_section): Use const char * as needed for warnings.
1444 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
1445 re-add align parameter.
1446 (iris6_asm_named_section): New.
1447 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
1448 (iris6_asm_output_align, iris6_section_align_1): New.
1449 (iris6_asm_file_start, iris6_asm_file_end): New.
1450 * config/mips/mips-protos.h: Update decls.
1452 2001-08-17 Janis Johnson <janis187@us.ibm.com>
1454 * doc/install.texi (Install GCC): Add links to build status pages.
1456 (Final install): Ditto; request updates for specific info
1458 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
1460 * cpperror.c (print_location): Don't take a file name; use the
1462 (_cpp_begin_message): Similarly.
1463 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1464 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
1465 (cpp_pedwarn_with_file_and_line): Remove.
1466 * cppfiles.c (stack_include_file): Update; set filename to stdin
1467 here when appropriate.
1468 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
1469 (_cpp_begin_message): Don't take a file name.
1470 * cppinit.c: Add comment.
1471 * cpplex.c: Fix end-of-directive indicator.
1472 * cpplib.c: Don't include intl.h.
1473 (run_directive, do_diagnostic): Update.
1474 (do_line): Update to not use nominal_fname.
1475 (cpp_push_buffer): Don't take a filename.
1476 * cpplib.h (struct ht): Remove.
1477 (cpp_push_buffer): Don't take a filename.
1478 (cpp_pedwarn_with_file_and_line): Remove.
1479 * cppmacro.c (struct cpp_macro): Remove file.
1480 (builtin_macro): Update.
1481 (_cpp_create_definition): Update.
1482 * cppmain.c: Correct comment.
1483 * fix-header.c (read_scan_file): Update.
1485 2001-08-17 Kazu Hirata <kazu@hxi.com>
1487 * sbitmap.c: Fix comment formatting.
1488 * sched-deps.c: Likewise.
1489 * sibcall.c: Likewise.
1490 * simplify-rtx.c: Likewise.
1492 * ssa-ccp.c: Likewise.
1493 * stor-layout.c: Likewise.
1494 * timevar.c: Likewise.
1495 * toplev.c: Likewise.
1496 * unwind-dw2.c: Likewise.
1497 * unwind-dw2-fde.c: Likewise.
1498 * varasm.c: Likewise.
1500 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1502 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
1503 or larger than an integer in memory.
1505 2001-08-17 Zack Weinberg <zackw@panix.com>
1507 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
1508 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
1509 * rtl.h: Don't forward-declare union tree_node here. Don't
1510 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
1511 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
1512 and tree respectively.
1513 * tree.h: Don't forward-declare struct rtx_def here. Don't
1514 typedef tree here. Change all uses of struct rtx_def *,
1515 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
1516 and tree respectively.
1518 2001-08-17 Richard Henderson <rth@redhat.com>
1520 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
1521 config/mips/openbsd.h: Fix typos last change.
1523 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1525 * doc/invoke.texi (Optimize Options): The default for
1526 -finline-limit is 600.
1528 2001-08-17 Richard Henderson <rth@redhat.com>
1530 * varasm.c (text_section): Allow TEXT_SECTION to override the
1531 printing of TEXT_SECTION_ASM_OP.
1532 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
1533 (DATA_SECTION, BSS_SECTION): Remove.
1534 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
1535 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
1536 Rename from s/_NAME//.
1537 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
1538 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
1539 (TEXT_SECTION): ... here. New.
1540 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
1541 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
1542 * config/mips/openbsd.h: Likewise.
1543 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
1544 (mips_asm_file_end): Likewise test.
1545 (mips_output_function_epilogue): Likewise. Switch back to data
1546 section after emitting the function.
1548 * doc/tm.texi (Sections): Document TEXT_SECTION.
1550 2001-08-17 Richard Henderson <rth@redhat.com>
1552 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
1553 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
1555 2001-08-17 Richard Henderson <rth@redhat.com>
1557 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
1558 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
1559 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
1560 Add aligned attribute.
1562 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
1564 * config/sh/sh.md: Add modes to unspecs in first insn to match
1565 those in the second.
1567 * Makefile.in: Fix collect2 copy for Cygwin.
1569 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1571 Install the proper patch.
1572 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
1573 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
1574 (expand_function_start): Likewise.
1575 * stmt.c (expand_decl): Likewise.
1576 * varasm.c (make_decl_rtx): Likewise.
1578 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1580 * final.c: Undo my previous accidental checkin.
1581 * output.h: Likewise.
1582 * tm.texi: Likewise.
1584 2001-08-16 Richard Henderson <rth@redhat.com>
1586 * varasm.c (named_section_flags): Remove align parameter.
1587 * varasm.c, dwarf2out.c: Update all callers.
1588 * output.h: Update prototypes.
1590 * target.h (target.asm_out.named_section): Remove align parameter.
1591 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
1592 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
1593 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
1594 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
1595 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
1597 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
1598 (get_named_section_flags, set_named_section_flags): New.
1599 (named_section_flags): Use them.
1600 (named_section): Do decl vs section flags check here...
1601 (default_section_type_flags): ... not here.
1602 (init_varasm_once): Create in_named_htab.
1603 (resolve_unique_section): Mark reloc unused.
1605 2001-08-16 Richard Henderson <rth@redhat.com>
1607 * varasm.c (force_const_mem): Keep pool alignment in bits.
1608 (output_constant_pool): Use assemble_align.
1610 2001-08-16 Zack Weinberg <zackw@panix.com>
1612 * doc/tm.texi: Remove extra @table command.
1614 2001-08-16 Zack Weinberg <zackw@panix.com>
1616 * final.c (shorten_branches): Clear the end of the label_align
1617 array only if we made it larger. Break up messy expressions
1620 * diagnostic.c (internal_error): Check for error recursion
1621 before doing ICE suppression.
1623 * timevar.c: Timing variables now count in milliseconds.
1624 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
1625 (get_time): Not here.
1626 (timevar_print): Don't print any timer whose user, cpu, and
1627 wall times are all zero as displayed.
1628 * timevar.h: Update comment aboout units. Make timevar
1631 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1633 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
1634 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
1635 (expand_function_start): Likewise.
1636 * stmt.c (expand_decl): Likewise.
1637 * varasm.c (make_decl_rtx): Likewise.
1639 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
1641 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
1642 (finalize_record_size): Don't set TYPE_USER_ALIGN.
1644 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1646 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
1649 2001-08-16 Andreas Jaeger <aj@suse.de>
1651 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
1654 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
1656 * rtl.h (only_sets_cc0_p): New prototype.
1657 * jump.c (sets_cc0_p): Handle INSN.
1658 (only_sets_cc0_p): New function.
1659 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
1660 (tidy_fallthru_edge): Likewise.
1661 * integrate.c (copy_insn_list): Likewise.
1662 * unroll.c (unroll_loop): Likewise.
1663 (copy_loop_body): Likewise.
1665 2001-08-15 Jason Eckhardt <jle@redhat.com>
1667 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
1669 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1671 * predict.c (struct block_info_def): Remove nvisited.
1672 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
1673 (estimate_bb_frequencies): Call mark_dfs_back_edges.
1675 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
1676 (ix86_adjust_cost): Teach scheduler that latency to load operand can
1679 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1681 * predict.def: Update hitrates.
1683 2001-08-15 Richard Henderson <rth@redhat.com>
1685 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
1687 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
1689 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
1690 note from its associated jump.
1692 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
1694 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
1695 also on 64-bit s390x targets.
1697 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
1699 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
1701 (arm_expand_prologue): Handled nested functions which take a
1702 variable argument list.
1703 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
1704 macro with an invocation of
1705 arm_compute_initial_elimination_offset.
1706 * config/arm/arm-protos.h: Prototype
1707 arm_compute_initial_elimination_offset.
1709 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1711 * doc/install.texi (Specific, avr): Fix markup.
1712 (Specific, c4x): Ditto.
1714 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1716 * predict.c (dump_prediction): Change `bool' parameter to `int'.
1718 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
1720 * Makefile.in (OBJS): Add rtl-error.o
1721 (rtl-error.o): New rule.
1722 (diagnostic.o): Adjust dependency.
1723 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
1724 error_for_asm, _fatal_insn, _fatal_insn_not_found,
1725 warning_for_asm): Move to...
1726 rtl-error.c: ...here. New file.
1728 2001-08-14 Richard Henderson <rth@redhat.com>
1730 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
1731 if USING_SJLJ_EXCEPTIONS.
1733 2001-08-14 Steve Ellcey <sje@cup.hp.com>
1735 * tlink.c (scan_linker_output): Check string for unsatisfied in
1736 addition to undefined and unresolved.
1738 2001-08-14 Graham Stott <grahams@redhat.com>
1740 * libgcc2.c (*): Replace EH_FRAME_SECTION with
1741 EH_FRAME_SECTION_NAME.
1743 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1745 * genattrtab.c (simplify_test_exp_in_temp): New function.
1746 (simplify_test_exp): Avoid explicit use of temporary obstack.
1747 (simplify_cond, insert_right_side, evaluate_eq_attr,
1748 simplify_and_tree, simplify_or_tree, eliminate_known_true):
1749 Use simplify_test_exp_in_temp.
1750 (optimize_attrs): Iterate until expression stabilizes.
1752 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
1754 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
1755 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
1757 2001-08-13 Richard Henderson <rth@redhat.com>
1759 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
1760 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
1761 * config/arm/conix-elf.h: Likewise.
1763 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
1765 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
1767 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1769 * gcse.c (hash_scan_set): Expressions that are set as part of
1770 jump instructions are not available.
1772 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
1774 * config/s390/s390.c (print_operand, s390_function_prologue,
1775 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
1777 2001-08-13 Richard Henderson <rth@redhat.com>
1779 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
1780 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
1781 * doc/tm.texi (Exception Region Output): Document it.
1783 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
1785 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
1786 DWARF2 instead of stabs by default.
1788 2001-08-13 David Edelsohn <edelsohn@gnu.org>
1790 * config/rs6000/rs6000.c: Include optabs.h.
1792 2001-08-13 David Edelsohn <edelsohn@gnu.org>
1794 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
1795 save/restore routines.
1796 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
1798 2001-08-13 Andreas Jaeger <aj@suse.de>
1800 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
1801 the english is correct.
1803 2001-08-13 Zack Weinberg <zackw@panix.com>
1805 * expr.h: Split out optab- and libfunc-related code to...
1806 * optabs.h, libfuncs.h: ... these new headers.
1808 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
1810 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
1812 * mkconfig.sh: Don't include insn-codes.h from config.h.
1814 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
1815 enum insn_code is available. Move reload_in_optab and
1816 reload_out_optab array declarations to optabs.h.
1817 * regmove.c (gen_add3_insn): Move to optabs.c, export from
1818 there, prototype in expr.h.
1819 * gencodes.c: Cleanup: zap global variables, don't use
1820 printf where puts will do, don't bother defining MAX_INSN_CODE
1821 which nothing uses, let CODE_FOR_nothing get its value implicitly.
1823 * genemit.c, genopinit.c: Include optabs.h in generated file.
1824 * genoutput.c: Include insn-codes.h in generated file.
1825 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
1826 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
1827 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
1828 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
1829 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
1830 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
1832 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
1833 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
1834 config/m88k/m88k.c, config/sparc/sparc.c:
1836 * reload.c: Include expr.h and optabs.h before reload.h.
1837 * config/alpha/alpha.c: Include tree.h before reload.h.
1838 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
1839 and reload.h in that order.
1840 * config/sparc/sparc.c: Include debug.h.
1841 * recog.c: Include insn-codes.h.
1843 2001-08-13 Andreas Jaeger <aj@suse.de>
1845 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
1848 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1850 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
1851 * gcc.c (init_spec): Fix typo in comment.
1852 * varasm.c (data_section): Fix typo in comment.
1854 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1856 * predict.c (dump_prediction): New argument "USED".
1857 (combine_predictions_for_insn): Determine the used heuristics,
1858 output the case no heuristic applied.
1859 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
1861 2001-08-13 Andreas Jaeger <aj@suse.de>
1863 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
1866 2001-08-13 Kazu Hirata <kazu@hxi.com>
1868 * jump.c: Fix formatting.
1870 2001-08-13 Kazu Hirata <kazu@hxi.com>
1872 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
1875 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
1877 * loop.c (check_dbra_loop): Use condjump_label to compute
1880 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
1881 to better document the files they're in.
1883 2001-08-12 Zack Weinberg <zackw@panix.com>
1885 * recog.h (struct insn_operand_data): Shrink 'mode' field
1888 2001-08-12 Kazu Hirata <kazu@hxi.com>
1890 * gcc.c: Fix comment formatting.
1891 * gccspec.c: Likewise.
1894 * genemit.c: Likewise.
1895 * gengenrtl.c: Likewise.
1896 * genrecog.c: Likewise.
1897 * gensupport.c: Likewise.
1898 * ggc-page.c: Likewise.
1899 * global.c: Likewise.
1900 * graph.c: Likewise.
1901 * ifcvt.c: Likewise.
1902 * integrate.c: Likewise.
1904 * libgcc2.c: Likewise.
1906 * mbchar.c: Likewise.
1907 * optabs.c: Likewise.
1908 * predict.c: Likewise.
1909 * prefix.c: Likewise.
1910 * profile.c: Likewise.
1911 * protoize.c: Likewise.
1913 * recog.c: Likewise.
1914 * regclass.c: Likewise.
1915 * regmove.c: Likewise.
1916 * reg-stack.c: Likewise.
1917 * reload1.c: Likewise.
1918 * resource.c: Likewise.
1919 * rtlanal.c: Likewise.
1922 2001-08-12 Kazu Hirata <kazu@hxi.com>
1924 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
1925 a tree representing a constant is passed to the macro.
1927 2001-08-12 Richard Henderson <rth@redhat.com>
1929 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
1930 (rs6000_elf_asm_out_destructor): New.
1931 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
1932 (DTORS_SECTION_ASM_OP): Remove.
1933 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1934 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
1936 2001-08-12 David Edelsohn <edelsohn@gnu.org>
1939 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1940 * gcc.c (set_collect_gcc_options): New function, split out from
1942 Ignore elided switches.
1943 (do_spec_1): Invoke before executing command.
1944 (set_input): Export.
1945 Move declaration ...
1946 * gcc.h (set_input): ... here.
1947 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
1950 2001-08-12 Richard Henderson <rth@redhat.com>
1952 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
1953 thinko wrt TARGET_RELOCATABLE.
1955 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
1957 * fix-header.c (cb_file_change): Update prototype.
1959 2001-08-11 Zack Weinberg <zackw@panix.com>
1961 * toplev.c (set_float_handler): Make static.
1962 * toplev.h: Don't prototype set_float_handler.
1964 * simplify-rtx.c: Don't include setjmp.h.
1965 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
1967 (simplify_unary_operation, simplify_binary_operation): Use them,
1968 via do_float_handler.
1970 * fold-const.c: Don't include setjmp.h.
1971 (exact_real_inverse_1): New function.
1972 (exact_real_inverse): Use it, via do_float_handler.
1974 * varasm.c: Don't include setjmp.h.
1975 (assemble_real_1): New function.
1976 (assemble_real): Use it, via do_float_handler.
1977 Call internal_error if we get a trap here.
1979 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
1980 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
1982 2001-08-11 Zack Weinberg <zackw@panix.com>
1984 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
1985 STACK_BOUNDARY if not already defined.
1987 * calls.c, function.c, reload1.c, explow.c: Don't default
1988 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
1989 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
1991 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
1994 * doc/tm.texi: Document that STACK_BOUNDARY is required;
1995 clarify difference between it and PREFERRED_STACK_BOUNDARY.
1997 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
1999 * cppmacro.c (enter_macro_context): Push macro expansions even
2002 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2004 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
2005 (rs6000_elf_section_type_flags): Actually return a value.
2007 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
2009 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
2010 Clean up code: add missing comments and prototypes, fix warnings,
2011 remove obsolete code, fix spacing to conform to coding style.
2013 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
2015 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
2016 and TARGET_ASM_CLOSE_PAREN.
2017 (regclass_map): CC register belongs to class NO_REGS.
2018 (legitimize_pic_address): Don't generate unnecessary moves
2019 (to avoid confusing loop optimization).
2020 (check_and_change_labels): Replace jump_long by indirect_jump.
2021 (s390_final_chunkify): Don't start a new literal pool on section
2022 switch in 64-bit code.
2023 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
2025 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
2026 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
2027 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
2029 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
2030 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
2031 (CONST_COSTS): Fixed incorrect costs.
2033 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
2034 Use emit_jump instead of emit_jump_insn (gen_jump).
2035 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
2036 (to avoid confusing flow analysis).
2037 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
2038 (casesi, casesi_jump): New.
2039 (jump_long): Removed. Functionality merged into indirect_jump.
2040 (indirect_jump): Accept address_operand, not just register_operand.
2041 (cjump_long, icjump_long): Use same logic as indirect_jump.
2042 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
2043 Fixed broken setjmp/longjmp handling.
2044 (do_builtin_setjmp_setup): Removed.
2046 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
2047 broken GNU as versions that don't accept .quad with large
2048 negative values. Use hexadecimal output instead.
2049 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
2050 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
2051 FUNCTION_EPILOGUE): Removed. Now in targetm.
2053 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
2055 * config/s390/fixdfdi.h: Add missing copyright statement.
2056 Fix type conflicts on 64-bit. Add missing SFmode routines.
2058 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
2061 2001-08-11 Richard Henderson <rth@redhat.com>
2063 * rtl.h (REG_EH_RETHROW): Remove.
2064 * rtl.c (reg_note_name): Update.
2065 * combine.c (distribute_notes): Don't check for it.
2067 2001-08-11 Richard Henderson <rth@redhat.com>
2069 * combine.c (distribute_notes): Place REG_SETJMP.
2071 2001-08-11 Richard Henderson <rth@redhat.com>
2073 * doc/extend.texi (Arrays and pointers implementation): Discourage
2074 relying on sign-extension of pointers.
2076 2001-08-11 H.J. Lu <hjl@gnu.org>
2078 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
2080 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
2081 RDATA_SECTION_ASM_OP.
2083 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2085 * doc/install.texi (Specific, c4x): Fix cross-reference to the
2086 main manual to work both for info and HTML versions.
2088 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
2089 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2091 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
2092 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
2093 (struct cpp_pool): New member first.
2094 * cppinit.c (append_include_chain): Plug memory leaks.
2095 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
2096 Allocate pragma structures from the (aligned) macro pool to
2097 avoid leaking memory.
2098 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
2099 so we don't leak memory.
2100 * hashtable.c (ht_destroy): New.
2101 * hashtable.h (ht_destroy): New.
2103 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
2104 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2106 * c-lex.c (map): Make const.
2107 (cb_file_change): Update for callback passing a line map.
2108 Don't assume we have a previous map. Remove sanity check
2109 about popping too many files.
2110 * cpperror.c (print_location): Make map const.
2111 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
2112 (cpp_make_system_header): Similarly.
2113 (search_from): Similarly.
2114 (_cpp_execute_include): Don't remember where we came from.
2115 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
2116 (struct cpp_reader): Make map const.
2117 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
2118 * cpplib.c (do_line): Update; line maps now hold sysp.
2119 (cpp_push_buffer): Similarly.
2120 (_cpp_do_file_change): Similarly; callback with map instead.
2121 (cpp_get_line_maps): Constify return value.
2122 (_cpp_pop_buffer): Update.
2123 * cpplib.h (struct cpp_file_change): Remove.
2124 (struct cpp_callbacks): Update.
2125 (cpp_get_line_maps): Constify return value.
2126 * cppmacro.c (_cpp_create_definition): Update.
2127 * cppmain.c (struct printer): Constify map.
2128 (maybe_print_line): Similarly.
2129 (print_line): Similarly. Deduce flags 1 and 2 here.
2130 (cb_file_change): Update.
2131 * line-map.c (free_line_maps): Warn regardless.
2132 (add_line_map): Return pointer to const. When passed NULL to_file
2133 with LC_LEAVE, use the obvious values for the return point so the
2134 caller doesn't have to figure them out.
2135 (lookup_line): Return pointer to const.
2136 (print_containing_files): Take pointer to const.
2137 * line-map.h (struct line_map): New members reason, sysp.
2138 (add_line_map): Return pointer to const.
2139 (lookup_line): Similarly.
2140 (print_containing_files): Take pointer to const.
2142 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
2143 Richard Henderson <rth@redhat.com>
2145 * regmove.c (regmove_optimize): Avoid setting a register twice in
2148 2001-08-10 Richard Henderson <rth@redhat.com>
2150 * doc/extend.texi (Arrays and pointers implementation): Document
2151 behavior of pointer/integer conversion.
2153 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
2155 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
2157 2001-08-10 Richard Henderson <rth@redhat.com>
2159 * doc/extend.texi (C Implementation): New chapter.
2160 * doc/gcc.texi (Top): Link it in.
2162 2001-08-10 Andrew Cagney <ac131313@redhat.com>
2164 * doc/install.texi (Specific): Fix CVS merge botch.
2166 2001-08-10 Richard Henderson <rth@redhat.com>
2168 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
2169 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
2171 2001-08-10 Zack Weinberg <zackw@stanford.edu>
2173 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
2174 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
2175 this macro is now required.
2177 * cselib.c (cselib_process_insn), flow.c (propagate_block),
2178 loop.c (find_and_verify_loops), reload.c (reload): Check
2179 for rtx code of CALL_INSN, not CALL, when deciding if we
2180 need to check for REG_SETJMP note.
2182 * gcse.c (compute_hash_table, compute_store_table): Update
2183 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
2186 * config/avr/avr.c: Fix typo.
2187 * config/convex/convex.c (expand_movstr): Use adjust_address.
2188 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
2190 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
2191 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
2193 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
2194 Do define STACK_BOUNDARY.
2195 * config/i370/i370.c: Include expr.h.
2196 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
2197 config/pa/som.h, config/v850/v850.h: Take in_ctors and
2198 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
2199 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
2200 * config/m88k/m88k.c: Include c-tree.h after expr.h.
2201 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
2202 * config/romp/romp.c: Include expr.h after tree.h.
2204 (output_fpop): Use xmalloc, not oballoc.
2205 * config/we32k/we32k.c: Include expr.h.
2207 2001-08-10 Kazu Hirata <kazu@hxi.com>
2209 * config/h8300/h8300.h: Fix formatting.
2211 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
2213 * c-common.h (RETURN_NULLIFIED_P): Lose.
2214 * c-semantics.c (genrtl_return_stmt): Don't check it.
2216 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
2218 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
2219 (mips_annotate_frame_insn): New function.
2220 (mips_emit_frame_related_store): New function.
2221 (save_restore_insns): Don't mark instructions that set up the base
2222 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
2223 the store instructions instead.
2224 (mips_expand_prologue): If the stack size is moved into a temporary
2225 register, do not mark that move as frame-related. Add a
2226 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
2228 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
2230 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
2231 stack slot as unchanging if current_function_calls_eh_return.
2233 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
2235 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
2236 access the second half of the TFmode scratch operand.
2238 2001-08-10 Anthony Green <green@redhat.com>
2240 * java/class.c (emit_register_classes): Conditionalize code on
2243 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2245 * doc/install.texi (Specific, avr): Fix cross-reference to the
2246 main manual to work both for info and HTML versions.
2248 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
2250 * stmt.c (expand_null_return_1): Remove code to generate simple returns
2251 and "use_goto" argument.
2252 (expand_null_return, expand_value_return): Update all callers.
2253 * function.c (expand_function_end): Remove code to generate simple
2255 * config/vax/vax.md (epilogue): New expander for function return.
2256 * doc/md.texi (epilogue): Remove "if defined".
2258 2001-08-09 Zack Weinberg <zackw@stanford.edu>
2260 * Makefile.in: Partially revert my previous change:
2261 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
2262 of the hashtab.o and safe-ctype.o rules.
2264 2001-08-09 Richard Henderson <rth@redhat.com>
2266 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
2267 (USE_COLLECT2): Remove duplicate definition.
2268 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
2269 (use_collect2): Remove dead code.
2270 * configure.in (use_collect2): Remove will_use_collect2 and
2271 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
2272 * configure: Rebuild.
2274 * target.h (targetm.asm_out.constructor): New.
2275 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
2276 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
2277 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
2278 * varasm.c (in_ctors, in_dtors): New.
2279 (assemble_constructor, assemble_destructor): Remove.
2280 (default_stabs_asm_out_destructor): New.
2281 (default_named_section_asm_out_destructor): New.
2282 (dtors_section, default_dtor_section_asm_out_destructor): New.
2283 (default_stabs_asm_out_constructor): New.
2284 (default_named_section_asm_out_constructor): New.
2285 (ctors_section, default_ctor_section_asm_out_constructor): New.
2286 * output.h: Update declarations.
2287 * c-decl.c (c_expand_body): Use target hooks instead of
2288 assemble_constructor and assemble_destructor.
2289 * profile.c (output_func_start_profiler): Likewise.
2290 * objc/objc-act.c (finish_objc): Likewise.
2291 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
2292 for the constructor.
2293 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
2295 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
2296 (DTORS_SECTION_ASM_OP): Likewise.
2297 (__CTOR_LIST__): Use attribute section when possible.
2298 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
2300 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
2301 ASM_OUTPUT_CONSTRUCTOR.
2303 * config/darwin.c (machopic_asm_out_constructor): New.
2304 (machopic_asm_out_destructor): New.
2305 * config/darwin-protos.h: Update declarations.
2306 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2307 (ASM_OUTPUT_DESTRUCTOR): Remove.
2308 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2309 * config/nextstep.c (nextstep_asm_out_constructor): New.
2310 (nextstep_asm_out_destructor): New.
2311 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2312 (ASM_OUTPUT_DESTRUCTOR): Remove.
2313 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2314 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
2315 ASM_OUTPUT_*STRUCTOR.
2316 * config/i386/aix386ng.h: Likewise.
2318 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
2319 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
2320 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2321 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2322 * config/lynx.h: Likewise.
2323 * config/netware.h: Likewise.
2324 * config/psos.h: Likewise.
2325 * config/alpha/alpha-interix.h: Likewise.
2326 * config/alpha/elf.h: Likewise.
2327 * config/arc/arc.h: Likewise.
2328 * config/arm/aof.h: Likewise.
2329 * config/arm/coff.h: Likewise.
2330 * config/arm/elf.h: Likewise.
2331 * config/c4x/c4x.h: Likewise.
2332 * config/h8300/h8300.h: Likewise.
2333 * config/i386/cygwin.h: Likewise.
2334 * config/i386/djgpp.h: Likewise.
2335 * config/i386/i386-coff.h: Likewise.
2336 * config/i386/i386-interix.h: Likewise.
2337 * config/i386/sco5.h: Likewise.
2338 * config/i386/vsta.h: Likewise.
2339 * config/i386/win32.h: Likewise.
2340 * config/i960/i960-coff.h: Likewise.
2341 * config/ia64/sysv4.h: Likewise.
2342 * config/m68hc11/m68hc11.h: Likewise.
2343 * config/m68k/coff.h: Likewise.
2344 * config/m68k/mot3300.h: Likewise.
2345 * config/m88k/m88k.h: Likewise.
2346 * config/mcore/mcore-pe.h: Likewise.
2347 * config/mcore/mcore.h: Likewise.
2348 * config/mips/elf.h: Likewise.
2349 * config/mips/elf64.h: Likewise.
2350 * config/mips/iris6.h: Likewise.
2351 * config/pa/pa64-hpux.h: Likewise.
2352 * config/rs6000/sysv4.h: Likewise.
2353 * config/sh/sh.h: Likewise.
2354 * config/sparc/litecoff.h: Likewise.
2356 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
2357 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2358 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2359 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2360 (ASM_OUTPUT_DESTRUCTOR): Remove.
2361 * config/a29k/a29k.c: Move include of tree.h.
2362 * config/a29k/udi.h: Delete file.
2363 * config/alpha/alpha.c (vms_asm_out_constructor): New.
2364 (vms_asm_out_destructor): New.
2365 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
2366 (EXTRA_SECTION_FUNCTIONS): Likewise.
2367 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2368 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2369 * config/c4x/c4x.c: Move include of tree.h.
2370 * config/clipper/clipper.c (clix_asm_out_constructor): New.
2371 (clix_asm_out_destructor): New.
2372 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2373 (ASM_OUTPUT_DESTRUCTOR): Remove.
2374 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2375 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2376 (TARGET_ASM_CONSTRUCTOR): New.
2377 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
2378 (sco_asm_out_constructor): New.
2379 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
2380 * config/i386/svr3gas.h: Remove stack grows up code.
2381 Remove code duplicated from i386/sysv3.h.
2382 (TARGET_ASM_CONSTRUCTOR): New.
2383 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2384 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
2385 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2386 (TARGET_ASM_CONSTRUCTOR): New.
2387 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
2388 (m68hc11_asm_out_destructor): New.
2389 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
2390 (TARGET_ASM_DESTRUCTOR): New.
2391 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
2392 * config/m68k/dpx2.h: Properly undef all the bits inherited from
2393 config/svr3.h pertaining to section manipulation.
2394 * config/m68k/dpx2g.h: Remove #if 0 code.
2395 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
2396 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
2397 (ASM_OUTPUT_CONSTRUCTOR): Remove.
2398 (TARGET_ASM_CONSTRUCTOR): New.
2399 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
2400 (m88k_svr3_asm_out_constructor): New.
2401 (m88k_svr3_asm_out_destructor): New.
2402 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2403 (ASM_OUTPUT_DESTRUCTOR): Remove.
2404 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2405 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
2406 * config/rs6000/aix.h: Likewise.
2407 * config/mips/rtems64.h: Don't undef removed constructor related bits.
2408 * config/mips/vxworks.h: Likewise.
2409 * config/rs6000/lynx.h: Likewise.
2410 * config/sh/elf.h: Likewise.
2411 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
2412 (DTORS_SECTION_ASM_OP): New.
2413 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2414 (ASM_OUTPUT_DESTRUCTOR): Remove.
2415 * config/sparc/sol2-sld-64.h: Likewise.
2416 * config/vax/vax.c (vms_asm_out_constructor): New.
2417 (vms_asm_out_destructor): New.
2418 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2419 (ASM_OUTPUT_DESTRUCTOR): Remove.
2420 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2422 * doc/tm.texi (@node Initialization): Update.
2424 2001-08-09 Richard Henderson <rth@redhat.com>
2426 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
2427 (__do_global_dtors_aux): Use gp-relative static data to avoid
2428 one dynamic relocation.
2429 (__do_frame_setup): Register Java classes.
2430 * config/alpha/crtend.asm (__JCR_END__): New.
2432 2001-08-09 Zack Weinberg <zackw@stanford.edu>
2434 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
2435 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
2436 (GEN, STAGESTUFF): Add new files.
2437 (insn-constants.h, s-constants, tm-preds.h, s-preds,
2438 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
2439 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
2440 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
2441 as well as insn-codes.h and insn-flags.h in config.h; and no
2442 extra headers in tconfig.h and hconfig.h.
2444 * gencodes.c: Eliminate code to generate predicate declarations
2445 or #defines for md-file constants.
2446 * genconstants.c, genpreds.c: New files.
2448 * i386.md: Re-order guard expressions such that TARGET_64BIT
2449 comes first, when this permits better optimization. Add
2450 TARGET_64BIT to more x86-64 patterns. Add comment explaining
2451 why this is desirable.
2453 2001-08-09 Jakub Jelinek <jakub@redhat.com>
2455 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
2456 (find_fde_for_dso): Remove.
2457 (_Unwind_IteratePhdrCallback): New.
2458 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
2459 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
2461 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2463 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
2464 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
2466 2001-08-09 Graham Stott <grahams@redhat.com>
2468 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
2469 (vis_no_unit): Use it.
2470 (visualize_no_unit): Add the insn only if room exists.
2472 2001-08-09 Graham Stott <grahams@redhat.com>
2474 * predict.c (estimate_probability): Replace magic numbers with
2475 appropriate enumeration.
2477 2001-08-09 Graham Stott <grahams@redhat.com>
2479 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
2481 (EXTRACT_FLAGS): Likewise.
2483 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
2485 * config/mips/mips.c (mips_legitimate_address_p): Check for
2486 CONST_INT in last patch.
2488 2001-08-08 Anthony Green <green@redhat.com>
2490 * java/class.c (emit_register_classes): Use assemble_jcr if
2491 possible. Keep the original mechanism as a fallback.
2492 * defaults.h (JCR_SECTION_NAME): Define if we have named section
2493 and weak symbol support.
2494 * crtstuff.c (__JCR_LIST__): Define.
2495 (__JCR_END__): Define.
2496 (_Jv_RegiserClasses): Define weak symbol if possible.
2497 (__do_global_ctors_aux): Register classes for ELF targets with
2498 weak symbol support.
2500 2001-08-08 Kazu Hirata <kazu@hxi.com>
2502 * dbxout.c: Fix comment formatting.
2503 * dependence.c: Likewise.
2505 * diagnostic.c: Likewise.
2506 * dominance.c: Likewise.
2507 * doprint.c: Likewise.
2508 * dwarf2out.c: Likewise.
2509 * dwarfout.c: Likewise.
2510 * emit-rtl.c: Likewise.
2511 * except.c: Likewise.
2512 * explow.c: Likewise.
2513 * expmed.c: Likewise.
2516 * fold-const.c: Likewise.
2517 * function.c: Likewise.
2519 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2521 * global.c (retry_global_alloc): Avoid shadowing allocno.
2523 2001-08-08 Mark Mitchell <mark@codesourcery.com>
2525 * except.c (remove_fixup_regions): Fix typo.
2527 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
2529 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
2530 unsigned HOST_WIDE_INT to avoid warning.
2531 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
2532 * flow.c (set_block_for_new_insns): Likewise.
2534 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
2536 * sibcall.c (return_value_pseudo): New static variable.
2537 (skip_copy_to_return_value): Handle return_value_pseudo.
2538 (call_ends_block_p): Ensure that return_value_pseudo is set.
2539 (optimize_sibling_and_tail_recursive_call): Discover the
2540 load of pseudo return value in alternate exit block.
2542 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2544 * calls.c (ECF_ALWAYS_RETURN): New constant.
2545 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
2546 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
2547 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
2548 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
2549 * rtl.c (reg_note_name): New name.
2550 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
2552 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
2554 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
2556 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
2558 * alias.c (get_alias_set): Return a previously calculated
2559 alias set for a VAR_DECL.
2560 * function.c (gen_mem_addressof): Calculate the alias set before
2563 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
2565 * predict.def: Set hitrates according our experimental run.
2567 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2569 * i386.h (HARD_REGNO_RENAME_OK): New macro.
2571 2001-08-08 H.J. Lu <hjl@gnu.org>
2573 * config/mips/mips.c (mips_unique_section): New. Copied from
2576 * config/mips/mips-protos.h (mips_unique_section): New
2579 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
2581 * config/mips/little.h: New. Generic little endian mips
2582 targets. Only mips*-*-linux* is converted to use it so far.
2584 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
2585 (WCHAR_TYPE): Defined
2586 (WCHAR_TYPE_SIZE): Likewise.
2587 (INIT_SUBTARGET_OPTABS): Likewise.
2588 (BSS_SECTION_ASM_OP): Likewise.
2589 (SBSS_SECTION_ASM_OP): Likewise.
2590 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
2591 (ASM_DECLARE_OBJECT_NAME): Likewise.
2592 (UNIQUE_SECTION): Likewise.
2593 (EXTRA_SECTIONS): Likewise.
2594 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2595 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2596 (ASM_OUTPUT_DEF): Likewise.
2597 (HANDLE_SYSV_PRAGMA): Removed.
2598 (NO_IMPLICIT_EXTERN_C): Likewise.
2599 (TARGET_MEM_FUNCTIONS): Likewise.
2600 (STARTFILE_SPEC): Likewise.
2601 (ENDFILE_SPEC): Likewise.
2602 (LIB_SPEC): Likewise.
2603 (INVOKE__main): Likewise.
2604 (CTOR_LIST_BEGIN): Likewise.
2605 (CTOR_LIST_END): Likewise.
2606 (DTOR_LIST_BEGIN): Likewise.
2607 (DTOR_LIST_END): Likewise.
2608 (SET_ASM_OP): Likewise.
2609 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2610 (ASM_OUTPUT_DEF): Likewise.
2611 (ASM_OUTPUT_IDENT): Likewise.
2613 * config/mips/mips.h (ASM_SPEC): Undefine before define.
2614 (CPLUSPLUS_CPP_SPEC): Likewise.
2615 (ASM_APP_ON) Redefine only if not defined.
2616 (ASM_APP_OFF): Likewise.
2617 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2618 (ASM_OUTPUT_IDENT): Likewise.
2620 * config.gcc: Update tm_file for Linux/mips.
2622 2001-08-08 Bernd Schmidt <bernds@redhat.com>
2624 * cselib.c (cselib_record_sets): If insn is predicated, turn
2625 sources into IF_THEN_ELSEs.
2627 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
2628 Turn into define_insn_and_split.
2630 * sched-deps.c: Include "cselib.h".
2631 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
2632 Use cselib to turn memory addresses into VALUEs.
2633 (sched_analyze): Call cselib_init/cselib_finish if necessary.
2634 * sched-int.h (struct sched_info): New member USE_CSELIB.
2635 * sched-ebb.c (ebb_sched_info): Initialize it.
2636 * sched-rgn.c (rgn_sched_info): Likewise.
2637 * Makefile.in (sched-deps.o): Update dependencies.
2639 * cselib.h (cselib_subst_to_values): Declare.
2640 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
2641 that have no value and autoincs to be handled by generating a new
2644 2001-08-08 Graham Stott <grahams@redhat.com>
2646 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
2647 within fixed length SEQUENCE.
2649 2001-08-08 Graham Stott <grahams@redhat.com>
2651 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
2652 (diagnostic_prefixing_rule): Likewise.
2653 (diagnostic_line_cutoff): Likewise.
2654 (diagnostic_kind_count): Likewise.
2656 2001-08-08 Graham Stott <grahams@redhat.com>
2658 * alias.c (find_base_decl): Delete redundent assignment.
2660 2001-08-08 Graham Stott <grahams@redhat.com>
2662 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
2663 (abs): Uppercase and paranthesize macro parameter.
2664 (MEM_DEPENDENCY): Add whitespace.
2666 2001-08-08 Graham Stott <grahams@redhat.com>
2668 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
2669 failure check for CONST_INT
2671 2001-08-08 Graham Stott <grahams@redhat.com>
2673 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
2674 (libcall_dead_p): Likewise.
2676 (mark_used_regs): Constify fmt.
2677 (find_use_as_address): Likewise.
2679 2001-08-08 Graham Stott <grahams@redhat.com>
2681 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
2684 2001-08-08 Graham Stott <grahams@redhat.com>
2686 * combine.c (combine_simplify_rtx): Update comment and
2687 remove erroneous test.
2689 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
2691 * cppinit.c (cpp_finish): Pop the final buffer without comment.
2692 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
2693 take care to avoid multiple no-newline at EOF warnings in that
2696 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
2698 * calls.c (expand_call): Do not emit INSN_SETJMP note.
2699 (emit_library_call_value_1): Likewise.
2700 (emit_call_1): Emit REG_SETJMP note.
2701 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
2703 * cselib.c (cselib_process_insn): Likewise.
2704 * flow.c (propagate_block): Likewise.
2705 * loop.c (find_and_verify_loops): Likewise.
2706 * reload.c (find_equiv_regs): Likewise.
2707 * reload1.c (reload): Likewise.
2708 * resource.c (mark_referenced_resources,
2709 mark_set_resources): Likewise.
2710 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
2711 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
2712 * haifa-sched.c (unlink_other_notes): Likewise.
2713 (reemit_notes): Likewise.
2714 * sched-ebb.c (sched_ebb): Likewise.
2715 * sched-rgc.c (sched_region): Likewise.
2716 * rtl.c (note_insn_name): Likewise.
2717 (reg_note_name): Add REG_SETJMP
2718 * rtl.h (reg_note): Add REG_SETJMP.
2719 (insn_note): Remove NOTE_INSN_SETJMP.
2721 * profile.c (branch_prob): Add fake edges for setjmp.
2723 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
2725 * config.gcc: Quote target_cpu_default2 correctly for
2726 powerpc*-*-* targets.
2728 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
2730 * cpplib.h, line-map.h: Update comments.
2731 * cppmain.c (printer_init): Move inline.
2732 (maybe_print_line, print_line): Take a map pointer.
2733 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
2734 (cb_file_change): Don't use prior value of print.map.
2736 2001-08-07 David Edelsohn <edelsohn@gnu.org>
2738 * doc/install.texi: Document fine-grained multilib configuration.
2740 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2742 * rtlanal.c (find_first_parameter_load): Call note_stores
2743 only on the instructions.
2745 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2747 * alias.c (nonlocal_mentioned_p):
2748 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
2749 * calls.c (emit_call_1): Likewise.
2750 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
2751 * cselib.c (cselib_process_insn): Likewise.
2752 * df.c (df_insns_modify): Likewise.
2753 * flow.c (need_fake_edge_p): Likewise.
2754 (propagate_one_insn): Likewise.
2755 * haifa-sched.c (reemit_notes): Likewise.
2756 * integrate.c (copy_insn_list): Likewise.
2757 * jump.c (delete_prior_computation): Likewise.
2758 * local-alloc.c (validate_equiv_mem): Likewise.
2759 * loop.c (scan_loop): Likewise.
2760 * predict.c (estimate_probability): Likewise.
2761 * reload.c (reload): Likewise.
2762 * sched-deps (sched_analyze): Likewise.
2763 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
2764 * gcse.c (compute_hash_table): Likewise.
2765 (mark_call): Likewise.
2766 (store_killed_in_insn): Likewise.
2768 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
2770 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
2772 2001-08-06 Richard Henderson <rth@redhat.com>
2774 * varasm.c (assemble_gc_entry): Remove.
2775 * output.h: Likewise.
2777 2001-08-06 Richard Henderson <rth@redhat.com>
2779 * varasm.c (assemble_constructor): Take a symbol_ref and a
2780 priority instead of a bare string. Move priority handling
2781 here from cp/decl2.c.
2782 * output.h: Update decls.
2784 * c-decl.c (c_expand_body): Update calls to assemble_constructor
2785 and assemble_destructor.
2786 * profile.c (output_func_start_profiler): Likewise.
2787 * objc/objc-act.c (finish_objc): Likewise.
2788 (build_module_descriptor): Return the symbol not the symbol name.
2790 2001-08-06 David Edelsohn <edelsohn@gnu.org>
2792 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
2793 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
2794 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
2795 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
2796 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
2797 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
2799 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
2801 * cpperror.c (print_containing_files): Moved to line-map.c.
2802 (print_location): line-map.c handles re-listing or otherwise.
2803 * cpphash.h (struct lexer_state): Remove next_bol.
2804 (struct cpp_buffer): Remove include_stack_listed.
2805 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
2806 Remove faked buffer handling.
2807 (_cpp_do_file_change): Tweak.
2808 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
2809 * cppmain.c (struct printer): Remove filename.
2810 (print_line, cb_file_change): Update accordingly.
2811 * line-map.c: Include intl.h.
2812 (init_line_maps): Initialize last_listed.
2813 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
2814 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
2815 (print_containing_files): New.
2816 * line-map.h (struct line_maps): New member last_listed.
2817 (print_containing_files, INCLUDED_FROM): New.
2818 * Makefile.in: Update.
2819 * po/POTFILES.in: Add line-map.c.
2821 2001-08-06 Richard Henderson <rth@redhat.com>
2823 * except.c (convert_from_eh_region_ranges_1): Never mark
2824 USE or CLOBBER insns as throwing.
2826 * expr.c (store_constructor): Don't clobber memory targets.
2828 2001-08-06 Andreas Jaeger <aj@suse.de>
2830 * profile.c (branch_prob): Remove unused variable insn.
2832 * Makefile.in (local-alloc.o): Add dependency on except.h.
2834 * local-alloc.c: Include except.h for can_throw_internal prototype.
2836 2001-08-06 Richard Henderson <rth@redhat.com>
2838 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2839 * function.c (expand_main_function): Implement it.
2840 * doc/tm.texi: Document it.
2842 2001-08-06 Stan Shebs <shebs@apple.com>
2844 * doc/install.texi: Document powerpc-*-darwin* details.
2846 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
2848 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
2849 (ASM_CPU_SPEC): Move back to rs6000.h
2850 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
2852 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
2854 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
2857 * config/rs6000/linux64.h: Ditto.
2859 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
2860 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
2863 Remove accidently readded definitions of FUNCTION_PROLOGUE,
2864 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
2866 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
2869 2001-08-05 Richard Henderson <rth@redhat.com>
2871 * local-alloc.c (update_equiv_regs): Do not move insns that
2874 2001-08-05 Jan Hubicka <jh@suse.cz>
2876 * Makefile.in (reload1.o): Add dedendancy on except.h
2877 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
2879 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
2880 indicating wehther edges has been cleaned up.
2881 * reload1.c: Inlucde except.h
2882 (fixup_abnormal_edges): Accept deleted insns.
2883 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
2886 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
2888 * cpplib.c (do_line): Correct line number after pop_buffer.
2890 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
2892 PR preprocessor/3824
2893 * line-map.c: Update comments.
2894 * line-map.h: Update comments.
2895 * tradcif.y: Don't consider large numbers unsigned.
2897 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
2899 PR preprocessor/3081
2900 * c-lex.c (map): New.
2901 (cb_file_change): Update map and use it.
2902 (cb_def_pragma, cb_define, cb_undef): Use map and line.
2903 (c_lex): Update to use map.
2904 * cpperror.c (print_location): Move to using logical line numbers.
2905 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
2906 (cpp_make_system_header): Similarly.
2907 (_cpp_execute_include): Stop line numbering hacks. Store the
2908 line we will return to.
2909 * cpphash.h (CPP_BUF_LINE): Remove.
2910 (struct cpp_buffer): Remove lineno and pseudo_newlines.
2911 Add map and return_to_line.
2912 (_cpp_do_file_change): Update.
2913 * cppinit.c (cpp_start_read): Update line kludge.
2914 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
2915 (trigraph_ok): Use logical line numbers for diagnostics.
2916 (skip_block_comment): Likewise.
2917 (skip_whitespace): Likewise.
2918 (skip_line_comment): Use pfile->line instead.
2919 (_cpp_lex_token): Update to use logical line numbering exclusively.
2920 Handle BOL locally. Accept new lines in directives, but keep
2921 pfile->line decremented. Diagnostics use logical lines. Update
2923 * cpplib.c (SEEN_EOL): New.
2924 (skip_rest_of_line, check_eol): Use it.
2925 (end_directive): Increase line number when accepting the newline
2926 at the end of a directive.
2927 (run_directive): Simplify.
2928 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
2929 (_cpp_do_file_change): Update to take buffer line number as an
2930 argument, and store the current map in the cpp_reader. Remove
2931 line number kludges.
2932 (_cpp_do__Pragma): Restore output position after a _Pragma.
2933 (cpp_push_buffer): Don't set output line or lineno.
2934 (_cpp_pop_buffer): Transfer more info from a faked buffer.
2935 Remove line kludge. Set output_line.
2936 * cppmacro.c (builtin_macro): Update handling of __LINE__.
2937 (parse_arg): Use logical lines.
2938 (save_lookahead_token): Save EOFs too now.
2939 * cppmain.c (struct printer): Fix comments.
2940 (printer_init): Simplify, let caller do errors.
2941 (scan_translation_unit, check_multiline_token, dump_macro): Update.
2942 (maybe_print_line): Simplify.
2943 (print_line): Don't print a linemarker if -P.
2944 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
2945 (cb_file_change): Simplify.
2946 * line-map.h (LAST_SOURCE_LINE): Fix.
2947 (CURRENT_LINE_MAP): New.
2949 2001-08-05 Bernd Schmidt <bernds@redhat.com>
2951 * doloop.c (doloop_modify_runtime): Properly compute number of
2952 iterations if loop was unrolled.
2954 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
2955 if their CSELIB_VAL_PTRs are.
2957 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
2958 (setup_spill_pointers): Initialize it.
2959 (spill_restore_mem): Set it.
2960 (do_spill, do_restore): Use it to add REG_INC note.
2961 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
2963 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
2964 asms if other insns are available.
2966 * config/ia64/ia64.c (condop_operator): New predicate.
2967 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
2968 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
2971 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
2972 temporary register than directly using a MEM.
2974 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
2976 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
2977 parameter in last change.
2979 2001-08-04 Zack Weinberg <zackw@panix.com>
2981 * sparc.md: Don't use #if inside C test expression.
2983 2001-08-04 Richard Henderson <rth@redhat.com>
2985 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
2987 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
2989 * cpphash.h (struct cpp_reader): New member directive_line.
2990 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
2991 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
2992 do_pragma): Pass line to callbacks.
2993 (start_directive): Record line of directive.
2994 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
2995 cb_include): Similarly.
2996 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
2999 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
3001 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
3004 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3006 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
3008 * reload1.c (fixup_abnormal_edges): New static function.
3011 * flow.c (need_fake_edge_p): New function.
3012 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
3013 avoid call insn to be very last insn in the insn stream.
3015 * profile.c (branch_prob): Call flow_call_edges_add instead of
3016 doing that by hand; cleanup cfg to re-merge basic blocks once
3019 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3021 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
3022 are also on line-map.h.
3023 * cppfiles.c (stack_include_file): Update.
3024 * cpphash.h (struct cpp_buffer): New member return_at_eof.
3025 (_cpp_pop_buffer): New.
3026 * cppinit.c (cpp_destroy, cpp_finish): Update.
3027 (do_includes): Mark each buffer to return at EOF.
3028 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
3029 return as requested.
3030 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
3031 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
3032 * cpplib.h (cpp_pop_buffer): Remove.
3033 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
3034 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
3036 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
3038 (do_preprocessing): Update.
3039 * fix-header.c (read_scan_file): Update. No need to pop buffers.
3040 * c-parse.in (_yylex): Similarly.
3041 * scan-decls.c (scan_decls): Similarly.
3042 * line-map.h: Update comments.
3044 * objc/Make-lang.in (objc-act.o): Update dependencies.
3046 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3048 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
3049 and soft register for operand 0.
3050 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
3052 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3054 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
3055 register for operand 0.
3056 ("bitcmpqi_z_used"): Allow memory for operand 0.
3057 (split "bitcmpqi"): New split to handle address reg as operand 1.
3059 2001-08-04 Andreas Jaeger <aj@suse.de>
3061 * gcse.c: Revert Daniel's last patch.
3063 2001-08-03 Zack Weinberg <zackw@stanford.edu>
3065 * sparc-protos.h: Add prototypes for fp_zero_operand and
3067 * sh-protos.h: Add prototype for fpul_operand.
3069 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
3071 * doc/extend.texi (Other Builtins): Fix typo in last change.
3073 2001-08-03 Richard Henderson <rth@redhat.com>
3075 * target.h (gcc_target): Add asm_out.named_section,
3076 section_type_flags, have_named_sections.
3077 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
3078 (TARGET_HAVE_NAMED_SECTIONS): New.
3079 (TARGET_SECTION_TYPE_FLAGS): New.
3081 * Makefile.in (toplev.o): Depend on TARGET_H.
3082 (varasm.o, dbxout.o): Likewise.
3083 * c-common.c (decl_attributes): Check targetm.have_named_sections
3084 instead of ifdef ASM_OUTPUT_SECTION_NAME.
3085 * dbxout.c (dbxout_function_decl): Likewise.
3086 (dbxout_function_end): Likewise.
3087 * toplev.c (compile_file): Likewise.
3088 * varasm.c (exception_section): Likewise.
3089 * cp/decl2.c (finish_objects): Likewise.
3091 * defaults.h (EH_FRAME_SECTION): Remove.
3092 (EH_FRAME_SECTION_ASM_OP): Remove.
3093 (EH_FRAME_SECTION_NAME): New.
3094 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
3095 (UNIQUE_SECTION_P): Remove.
3096 * dwarf2out.c (SECTION_FORMAT): Remove.
3097 (ASM_OUTPUT_SECTION): Remove.
3098 (output_call_frame_info): Use named_section_flags.
3099 (output_comp_unit, dwarf2out_start_source_file): Likewise.
3100 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
3101 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
3102 * varasm.c (in_eh_frame, eh_frame_section): Remove.
3103 (named_section_flags): New.
3104 (named_section): Use it and targetm.section_type_flags.
3105 (resolve_unique_section): New.
3106 (assemble_start_function): Use it.
3107 (asm_emit_uninitialised, assemble_variable): Likewise.
3108 (default_section_type_flags): New.
3109 (default_no_named_section, default_elf_asm_named_section): New.
3110 (default_coff_asm_named_section, default_pe_asm_named_section): New.
3111 * output.h: Update varasm.c decls.
3112 (SECTION_*): New flags.
3114 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
3115 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
3117 * config/elfos.h (UNIQUE_SECTION_P): Remove.
3118 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
3119 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
3120 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
3121 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
3122 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
3123 * config/mips/elf.h, config/mips/elf64.h: Likewise.
3124 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
3125 * config/pa/pa64-hpux.h,
3127 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
3128 (TARGET_ASM_NAMED_SECTION): New.
3129 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
3130 * config/alpha/vms.h, config/arm/coff.h: Likewise.
3131 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
3132 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
3133 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
3134 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
3135 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
3136 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
3137 * config/i386/sco5.h, config/i386/win32.h: Likewise.
3138 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
3139 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
3140 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
3141 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
3142 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
3143 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
3144 * config/sparc/sysv4.h: Likewise.
3146 * config/nextstep.h: Error until named sections implemented.
3148 * config/a29k/a29k.c (a29k_asm_named_section): New.
3149 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
3150 (vms_section_type_flags, vms_asm_named_section): New.
3151 * config/arm/arm.c (arm_elf_asm_named_section): New.
3152 * config/avr/avr.c (asm_output_section_name): Remove.
3153 * config/avr/avr-protos.h: Update.
3154 * config/c4x/c4x.c (c4x_asm_named_section): New.
3155 * config/h8300/h8300.c (h8300_asm_named_section): New.
3156 * config/i386/i386.c (sco_asm_named_section): New.
3157 * config/i386/winnt.c (SECTION_PE_SHARED): New.
3158 (i386_pe_section_type_flags): New.
3159 (i386_pe_asm_named_section): New.
3160 * config/i386/i386-protos.h: Update.
3161 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
3162 * config/mcore/mcore.c (mcore_asm_named_section): New.
3163 * config/mips/mips.c (iris6_asm_named_section): New.
3164 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
3165 instead of UNIQUE_SECTION_P.
3166 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
3167 (xcoff_asm_named_section): New.
3168 * config/sh/sh.c (sh_asm_named_section): New.
3169 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
3171 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
3172 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
3173 (EH_FRAME_SECTION_NAME): New.
3174 (EXCEPTION_SECTION): New.
3175 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
3176 (DEBUG_*_SECTION): Remove.
3177 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
3178 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
3179 (EH_FRAME_SECTION_ASM_OP): Remove.
3181 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
3182 (ASM_OUTPUT_SECTION_NAME): Remove.
3183 (TARGET_ASM_NAMED_SECTION): New.
3184 (TARGET_HAVE_NAMED_SECTIONS): New.
3185 (TARGET_SECTION_TYPE_FLAGS): New.
3186 (EH_FRAME_SECTION_ASM_OP): Remove.
3187 (EH_FRAME_SECTION_NAME): New.
3189 2001-08-03 Zack Weinberg <zackw@stanford.edu>
3191 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
3192 for complex expressions when cfun == 0.
3193 * doc/extend.texi: Document that __builtin_constant_p can be
3194 used in data initializers as well as functions.
3196 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
3198 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
3199 variable I locally, instead of expecting a declaration in the
3202 2001-08-03 Richard Henderson <rth@redhat.com>
3204 * except.c (collect_one_action_chain): Add an explicit cleanup
3205 action if regions surrounding a catch were encoded entirely
3206 within the call-site entry.
3208 2001-08-03 Richard Henderson <rth@redhat.com>
3210 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
3211 don't take REGNO of a non-register.
3213 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3215 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
3216 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
3217 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
3218 (__gthread_mutex_init_function): New function for mutex initialization.
3220 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
3222 * Makefile.in: Revert screwed up commit.
3224 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3226 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
3227 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
3228 merged by linker script to get a final _exit().
3229 (__do_global_dtors): New for destructor handling in specific exit
3231 (__do_global_ctors): New for constructors in specific install section.
3232 (__map_data_section): Map data sections before running constructors.
3233 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
3234 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
3235 (DTORS_SECTION_ASM_OP): Likewise.
3236 (CTORS_SECTION_FUNCTION): Define to force a reference to
3238 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
3240 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
3242 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
3244 * Makefile.in: Add df.h to gcse.c dependencies.
3246 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3248 * varasm.c (output_constant_def_contents): Use for the length of a
3249 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
3250 depending on which is larger.
3252 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
3254 * gcse.c: Include df.h for use as a dataflow analyzer.
3256 Declaration of reg_set_info: gone.
3257 New df_analyzer variable used by store motion.
3258 (reg_set_info): Deleted.
3259 (mark_mem_regs): New function, analyze regs used by a mem.
3260 (store_ops_ok): Use dataflow analyzer results to determine if
3261 necessary regs are changed in the block.
3262 (find_moveable_store): Remove check for symbol ref, we can handle
3263 much more complex expressions now.
3264 (compute_store_table): Remove most of the code, it's unnecessary
3265 now that the dataflow analyzer records the info for us.
3266 (store_killed_after): Add parameter to say whether to do the
3267 store_ops_okay test, used to speed up testing when we already know
3268 the answer, and just want to know if the store itself was killed.
3269 (build_store_vector): Largely rewritten to calculate the various
3270 vectors properly, and somewhat optimized.
3271 (store_motion): Init the df_analyzer, get REG_DEF chains.
3272 Also handle trapping expressions (since mems almost always trap)
3273 (simple_mem): Redefine what a simple mem is.
3275 2001-08-03 DJ Delorie <dj@redhat.com>
3277 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
3278 set from a constant part of the condition.
3280 2001-08-01 Andrew Cagney <ac131313@redhat.com>
3282 * mkdeps.c (deps_add_default_target): Make local variable
3283 ``start'' a const char pointer.
3284 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
3286 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3288 * doc/install.texi (Configuration): Fix markup.
3289 (Specific, i?86-*-udk): Likewise.
3290 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
3292 Document --enable-threads and --enable-libgcj status.
3293 (Specific, mips-sgi-irix*): Canonicalize triples.
3294 (Specific, mips-sgi-irix5): Warn about problems with this config.
3295 Mention required GNU as patch.
3296 Native assembler problems are fixed.
3297 (Specific, mips-sgi-irix6): Update O32 ABI support status.
3298 Document --enable-threads and --enable-libgcj status.
3300 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
3302 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
3305 2001-08-03 Richard Henderson <rth@redhat.com>
3307 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
3310 2001-08-03 Richard Henderson <rth@redhat.com>
3312 * rtlanal.c (find_first_parameter_load): Stop if we
3313 reach a CODE_LABEL at BOUNDARY.
3315 2001-08-03 Richard Henderson <rth@redhat.com>
3317 * config/alpha/alpha.md (force_movdi): New insn.
3318 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
3319 Tweek FRP marking of VMS prologue insns.
3320 * config/alpha/vms.h (EPILOGUE_USES): New.
3322 2001-08-02 Richard Henderson <rth@redhat.com>
3324 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
3326 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
3328 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
3329 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
3330 config/convex/convex.h, config/d30v/d30v.c,
3331 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
3332 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
3333 config/mips/mips.h, config/mn10200/mn10200.h,
3334 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
3335 config/v850/v850.h, config/vax/openbsd.h,
3336 config/vax/openbsd1.h, config/vax/ultrix.h,
3337 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
3338 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
3339 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
3340 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
3341 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
3342 in comments and documentation.
3344 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3348 * Makefile.in (line-map.o): New.
3349 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
3350 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
3351 * cpperror.c (print_containing_files): Similarly.
3352 (print_location): Update. Don't output a space before _Pragma.
3353 * cppfiles.c (stack_include_file): Set to line 1 immediately.
3354 (stack_include_filee, cpp_make_system_header): Update.
3355 (_cpp_execute_include): Get logical line number right for calling
3356 as-yet-unterminated #include.
3357 * cpphash.h (struct cpp_reader): Add line_maps.
3358 (_cpp_do_file_change): Update.
3359 * cppinit.c (cpp_create_reader): Initialize line maps.
3360 (cpp_destroy): Destroy line maps.
3361 (cpp_start_read): Get logical line number right.
3362 * cpplex.c (parse_string): Only warn once for multi-line strings.
3363 Use boolean variable for null warning.
3364 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
3366 (do_include_common): End the directive early.
3367 (do_line): Don't warn about out-of-range lines in preprocessed
3368 source. Update. Remove unused variables.
3369 (_cpp_do_file_change): Update for new line mapping.
3370 (pragma_cb): New typedef.
3371 (cpp_register_pragma): Stop looking ahead before calling the
3373 (do_pragma_system_header): End directive early.
3374 (cpp_get_line_maps): New.
3375 (cpp_pop_buffer): Fudge logical line. Update.
3376 * cpplib.h: Include line-map.h
3377 (enum cpp_fc_reason): Remove.
3378 (struct cpp_file_change): Update.
3379 (cpp_get_line_maps): New.
3380 * cppmain.c (struct_printer): New member map.
3381 (cb_file_change): Update for new mappings.
3382 * fix-header.c (cb_file_change): Similarly.
3384 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
3386 * Makefile.in (libgcc.mk): Define mkinstalldirs.
3387 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
3389 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
3391 * config/vax/vax.c: include expr.h.
3393 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
3395 * Makefile.in ($(srcdir)/configure): Only rebuild in
3397 ($(srcdir)/config.in): Only define in maintainer mode.
3398 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
3400 2001-08-02 David Edelsohn <edelsohn@gnu.org>
3402 * doc/install.texi (Install GCC: Binaries): Update Bull info.
3404 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3406 * gcc.c (set_collect_gcc_options): New function, split out from
3408 Ignore elided switches.
3409 (do_spec_1): Invoke before executing command.
3410 (set_input): Export.
3411 Move declaration ...
3412 * gcc.h (set_input): ... here.
3413 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3416 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
3419 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
3421 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
3423 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
3425 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
3426 for the unnamed instructions it expands to.
3428 2001-08-02 Richard Henderson <rth@redhat.com>
3430 * regclass.c (call_really_used_regs): Conditionally define.
3431 (init_reg_sets_1): Don't use it if not defined.
3432 (fix_register): Similarly, don't set it.
3434 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3436 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
3437 Correct comment that had been missed in the previous change.
3439 2001-08-01 Stan Shebs <shebs@apple.com>
3441 * config/darwin.c (machopic_stub_name): Try matching by name.
3442 (update_stubs): New function.
3443 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
3446 2001-08-01 Richard Henderson <rth@redhat.com>
3448 * except.c (output_function_exception_table): Use assemble_align.
3449 * varasm.c (assemble_eh_label): Remove.
3450 (assemble_eh_align, assemble_eh_integer): Remove.
3452 2001-08-01 Robert Lipe <robertl@caldera.com>
3454 * dwarfout.c: Remove reference to README.DWARF.
3456 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
3458 * regclass.c (call_really_used_regs): New array for registers which
3459 are actually used by a call.
3460 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
3462 (fix_register): Set call_really_used too.
3463 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
3464 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
3466 2001-08-01 Richard Henderson <rth@redhat.com>
3468 * read-rtl.c (read_name): Consider \r whitespace.
3470 2001-07-11 Andrew Cagney <ac131313@redhat.com>
3472 * config.gcc: Recognize powerpc-*-netbsd*.
3474 * doc/install.texi (Host/target specific installation notes for
3475 GCC): Mention powerpc-*-netbsd*.
3477 * config/rs6000/netbsd.h: New file.
3478 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
3479 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
3480 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
3481 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
3482 (TARGET_VERSION): Redefine.
3484 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
3485 mcall-netbsd as a match for mcall-sysv.
3486 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
3487 (ncrti.S, ncrtn.S): New targets.
3488 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
3490 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
3491 "netbsd' as a V4 ABI.
3492 (ASM_SPEC): Check for -mcall-netbsd.
3493 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
3494 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
3495 (LIB_SPEC, ENDFILE_SPEC): Ditto.
3496 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
3497 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
3498 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
3499 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
3501 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
3502 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
3504 2001-08-01 Mark Kettenis <kettenis@gnu.org>
3506 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
3507 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
3508 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
3509 including "unwind-pe.h".
3511 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
3513 * rs6000.md (define_splits): Kill unused constraints.
3515 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
3516 Jan Hubicka <jh@suse.cz>
3518 * function.c (thread_prologue_and_epilogue_insns): Kill code
3519 dealing with non-existent CFG.
3521 2001-08-01 Kazu Hirata <kazu@hxi.com>
3523 * alias.c: Fix comment formatting.
3524 * bitmap.c: Likewise.
3525 * builtins.c: Likewise.
3526 * calls.c: Likewise.
3527 * c-common.c: Likewise.
3528 * c-decl.c: Likewise.
3529 * c-dump.c: Likewise.
3530 * c-lex.c: Likewise.
3531 * collect2.c: Likewise.
3532 * combine.c: Likewise.
3533 * conflict.c: Likewise.
3534 * cppfiles.c: Likewise.
3535 * cppinit.c: Likewise.
3536 * cpplex.c: Likewise.
3537 * cpplib.c: Likewise.
3538 * cppmacro.c: Likewise.
3539 * cppspec.c: Likewise.
3540 * c-pragma.c: Likewise.
3541 * crtstuff.c: Likewise.
3543 * cselib.c: Likewise.
3544 * c-semantics.c: Likewise.
3545 * c-typeck.c: Likewise.
3547 2001-08-01 H.J. Lu <hjl@gnu.org>
3549 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
3551 2001-08-01 H.J. Lu <hjl@gnu.org>
3553 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
3555 2001-08-01 Ziemowit Laski <zlaski@apple.com>
3557 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
3558 contextualizing Objective-C class name lookup by the lexer.
3559 (typespec_reserved_nonattr): Disable ObjC class name lookup after
3561 (protocoldef): Add support for forward @protocol declarations.
3562 (yylexname): Suppress ObjC class name lookup in certain contexts;
3563 re-enable after lookup is complete.
3564 (_yylex): Re-enable ObjC class name lookup when certain
3565 punctuation marks are seen.
3567 * objc/objc-act.c (check_protocol_recursively): New function used
3568 for finding circular dependencies in protocols.
3569 (objc_declare_protocols): New function for handling forward
3570 @protocol declarations.
3571 (receiver_is_class_object): Detect the case when 'self' is used
3572 inside of a class method.
3573 (build_message_expr): Issue a warning if class method is desired
3574 but instance method is found instead.
3575 (conforms_to_protocol): Streamline.
3576 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
3577 protocol Foo, even if 'Bar foo' does not.
3578 (check_protocols): Streamline.
3579 (start_protocol): Add checks for circular and duplicate protocol
3581 (encode_aggregate_within): For typedefs of structs, encode the
3583 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
3584 (objc_declare_protocols): New prototype.
3586 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3588 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
3589 * cpplex.c (handle_newline): Update prototype. Maintain logical
3591 (skip_escaped_newlines, skip_block_comment, parse_string):
3593 (_cpp_lex_token): Update, and store token position within the token.
3594 * cpplib.h (struct cpp_token): Add line and column entries.
3595 * cppmacro.c (replace_args): Position stringified tokens correctly.
3597 2001-08-01 Andreas Jaeger <aj@suse.de>
3599 * basic-block.h: Add prototype for last_loop_beg_note.
3601 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
3603 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
3604 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
3606 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
3607 while handling WITH_CLEANUP_EXPR node. Use second operand calling
3608 expand_decl_cleanup.
3609 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
3611 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
3612 operand while calling simple_cst_equal.
3613 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
3614 operand is the cleanup expression, the third is the RTL_EXPR.
3615 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
3617 2001-07-31 Jeff Sturm <jsturm@one-point.com>
3619 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
3621 2001-07-31 matthew green <mrg@eterna.com.au>
3623 * config.gcc (i386-*-netbsdelf): New description.
3624 * config/i386/netbsd-elf.h: New file.
3626 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
3628 * loop.c (check_dbra_loop): Use single_set to compute
3631 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
3633 PowerPC reorg and support for powerpc64-*-linux*.
3635 Also fixes emitting of constants on 32 bit and 64 bit
3638 * config.gcc: powerpc64-*-linux* is a new target.
3639 Things that needed aix.h now also include xcoff.h
3641 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
3643 Move AIX specific stuff into aix.h.
3644 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
3645 with more than just XCOFF now.
3646 (SET_ASM_OP): Remove, now defined where needed.
3647 (FUNCTION_PROLOGUE): New macro definition.
3648 (FUNCTION_EPILOGUE): New macro definition.
3649 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
3651 * config/rs6000/xcoff.h: New file.
3653 * config/rs6000/linux64.h: New file.
3655 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
3657 2001-07-31 Alan Modra <amodra@bigpond.net.au>
3659 * rs6000.c (print_operand_address): Handle ELF syntax.
3660 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
3661 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
3662 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
3664 2001-07-31 David Edelsohn <edelsohn@gnu.org>
3666 * rs6000.c (rs6000_override_options): Only disable
3667 flag_function_sections for XCOFF.
3668 (exact_log2_cint_operand): New predicate.
3669 (reg_or_{add,sub}_cint64_operand): New predicates.
3670 (add_operand): Compare CONST_INT with fewer function calls.
3671 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
3672 (print_operand, case 'p'): Ensure positive operand.
3673 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
3674 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
3675 (PREDICATE_CODES): Add new predicates.
3676 * rs6000.md (addsi3): Split 32-bit constants more correctly.
3677 (divsi3, modsi3): Ensure positive power-of-2.
3678 (adddi3): Use new predicate. Split 32-bit constants more
3679 correctly. Re-arrange splitter to handle any constant.
3680 (subdi3): Use new predicate.
3681 (divdi3, moddi3): Ensure positive power-of-2.
3682 (movdi): Use rs6000_emit_set_const.
3683 (load_toc_v4_pic_di): Delete.
3685 2001-07-31 Graham Stott <grahams@redhat.com>
3687 * function.c (pad_below): Revert 2001-07-26 patch.
3689 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3691 * reg-stack (convert_regs_1): Fix best edge condition.
3693 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3695 * jump.c (duplicate_loop_exit_test): Better test for jumps
3696 entering the loop; create loop pre_header.
3698 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
3700 * doc/install.texi: Add s390 and s390x as new targets.
3701 * doc/invoke.texi: Add documantation of S/390 and zSeries
3703 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
3705 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
3707 * config/m68k/m68k.md: Replace all general_operand with
3708 nonimmediate_operand for all destinations.
3709 * config/m68k/m68k.c (not_sp_operand): Likewise.
3711 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
3713 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
3715 2001-07-30 Richard Henderson <rth@redhat.com>
3717 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
3718 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
3720 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
3722 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
3723 Add missing doc strings
3724 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
3725 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
3727 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
3729 * i386.c (ix86_output_main_function_alignment_hack): New function.
3730 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
3732 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
3733 edges by EDGE_DFS_BACK flag.
3734 (dump_edge_info): Add dfs_back flag.
3735 * basic-block.h (EDGE_DFS_BACK): New constant.
3736 (mark_dfs_back_edges): Declare.
3737 * alias.c (loop_p): Remove.
3738 (mark_constant_function): Use mark_dfs_back_edges.
3740 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
3741 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
3742 (compensate_edge): Break out from ...
3743 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
3744 (convert_regs_2): Set block_done once block is really done;
3745 Do updating of the predecesors counts.
3747 * toplev.c (rest_of_compilation): Recompute block_for_insn
3748 before post-reload cfg_cleanup.
3749 * function.c (thread_prologue_epilogue_insns):
3750 Call set_block_for_new_insns when emitting prologue directly.
3752 2001-07-30 Andreas Jaeger <aj@suse.de>
3754 * jump.c: Add prototype for mark_modified_reg.
3756 * cse.c (set_live_p): Add unused attribute.
3758 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
3760 (scan_for_source_files): Use long for count to avoid overflow.
3761 (output_data): Likewise.
3762 (output_data): Don't use string concatatenation to silence gcc
3765 * predict.c: Fix typos and grammar.
3767 * gcse.c (insert_insn_end_bb): Remove unused variables.
3769 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
3771 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
3772 (attempt_auto_inc): LIkewise.
3773 (mark_used_reg): Likewise.
3774 (try_pre_increment_1): Likewise.
3775 * regclass.c (regclass): Likewise.
3776 * global.c (allocno_compare): Update comment; change scaling factor.
3777 * local-alloc.c (QTY_CMP_PRI): Likewise.
3778 * regs.h (REG_FREQ_FROM_BB): New.
3779 (REG_FREQ_MAX): Likewise.
3781 2001-07-30 H.J. Lu <hjl@gnu.org>
3783 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
3786 2001-07-30 H.J. Lu (hjl@gnu.org)
3788 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
3789 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
3790 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
3792 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
3794 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
3795 as -mthumb-interwork when -mcpu=arm7 is specified.
3797 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3799 * predict.def (noreturn, loop branch, loop exit): Mark as first
3802 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
3804 * combine.c (try_combine): Avoid barrier after noop jumps.
3806 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3808 * cpphash.h (struct cpp_reader): Remove import_warning.
3809 * cpplib.c (skip_rest_of_line): Don't bother turning off
3811 (parse_include): Move include handling to...
3812 (do_include_common): ... here. Move import warning from...
3813 (do_import): ... here.
3814 (do_pragma_poison): Don't do a callback for poison identifiers.
3815 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
3816 * cppmain.c (setup_callbacks): Similarly.
3818 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3820 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
3821 handle multiple sets.
3822 * except.c (sjlj_mark_call_sites): .... here.
3823 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
3825 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3827 Suggested by Richard Henderson and Richard Kenner:
3828 * combine.c (recog_for_combine): Use the fake recog
3829 only if instruction does not match.
3830 * rtl.h (NOOP_MOVE_INSN_CODE): New.
3831 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
3833 * combine.c (try_combine): Discover noop jump as direct jump.
3835 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
3837 * df.c (df_rd_global_compute): Add successors to worklist, not
3839 (df_ru_global_compute): Ditto.
3841 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
3843 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
3844 increment REG_N_SETS.
3846 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
3848 * sbitmap.h: New prototype for sbitmap_a_xor_b.
3850 * sbitmap.c (sbitmap_a_xor_b): New function.
3851 ifdef the basic block stuff on IN_GCC.
3853 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3855 * cppexp.c (parse_defined): Always record the macro name.
3856 (lex): Don't worry about identifiers, or special-case
3858 (_cpp_parse_expr): Figure out at the end of the routine
3859 whether we saw a valid !defined() expression.
3860 * cppfiles.c (stack_include_file): Update for mi_valid.
3861 (_cpp_pop_file_buffer): Similarly.
3862 * cpplex.c (_cpp_lex_token): Similarly.
3863 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
3864 mi_if_not_defined, mi_lexed): Remove.
3866 * cpplib.c (do_if): Simplify.
3867 (do_endif, push_conditional, _cpp_handle_directive): Update
3868 for renaming of mi_state to mi_valid.
3870 * cpp.texi: Add index entries for digraphs, and add comment
3871 that C++ refers to them as alternative tokens.
3873 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
3875 * basic-block.h (CLEANUP_PRE_LOOP): New.
3876 * except.c (finish_eh_generation): Update call of cleanup_cfg.
3877 * sibcall.c (optimize_sibling_calls): Likewise.
3878 * toplev.c (rest_of_compilation): Likewise.
3879 * flow.c (try_forward_edges): Take argument MODE;
3880 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
3881 (try_optimize_cfg): Update call of try_forward_edges.
3883 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
3884 Jan Hubicka <jh@suse.cz>
3886 * (validate_replace_rtx_1): Fix simplification of MINUS.
3888 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
3890 PR preprocessor/3669
3891 * cppinit.c (init_dependency_output): Turn off dump requests
3892 if sending dependencies to stdout.
3894 2001-07-28 Richard Henderson <rth@redhat.com>
3896 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
3899 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
3901 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
3903 2001-07-28 Kazu Hirata <kazu@hxi.com>
3905 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
3906 is VAR_DECL first to prevent an ICE.
3908 2001-07-28 Richard Henderson <rth@redhat.com>
3910 * varasm.c (immed_real_const_1): Don't elide special cases for
3912 (clear_const_double_mem): Clear const_tiny_rtx too.
3914 2001-07-28 Richard Henderson <rth@redhat.com>
3916 * dwarf2out.c (dw_val_class_offset): New.
3917 (struct dw_ranges_struct, dw_ranges_ref): New.
3918 (ranges_table, ranges_table_allocated): New.
3919 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
3920 (add_AT_offset, add_ranges, output_ranges): New.
3921 (print_die, output_die): Handle dw_val_class_offset.
3922 (attr_checksum, size_of_die, value_format): Likewise.
3923 (gen_lexical_block_die): Handle non-contiguous blocks.
3924 (gen_block_die): Likewise.
3925 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
3926 if needed. Dump the ranges table.
3927 * final.c (final_start_function): Remove unnecessary notes and
3928 rebuild the block tree before numbering the blocks.
3929 * function.c (reorder_blocks_0): Walk the existing block tree
3930 to unmark all blocks.
3931 (reorder_blocks_1): Create block fragments when duplicate block
3933 (reorder_fix_fragments): New.
3934 (reorder_blocks): Call it.
3935 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
3937 2001-07-28 Richard Henderson <rth@redhat.com>
3939 * emit-rtl.c (adjust_address): Make a copy of the memory address.
3941 2001-07-28 Richard Henderson <rth@redhat.com>
3943 * flow.c (add_to_mem_set_list): New function.
3944 (init_propagate_block_info): Use it.
3945 (mark_set_1): Likewise.
3946 (insn_dead_p): Canonicalize memory address for dead store
3947 comparison. Allow wider mode stores to kill narrower mode stores.
3948 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
3949 (invalidate_mems_from_set): Don't handle MEMs.
3951 2001-07-28 Kazu Hirata <kazu@hxi.com>
3953 * config/h8300/h8300.h: Fix formatting.
3955 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3957 * basic-block.h (EDGE_FREQUENCY): New macro.
3958 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
3960 * flow.c (find_sub_basic_blocks): Likewise.
3961 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
3962 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
3964 * predict.c (DEF_PREDICTOR): New argument FLAGS.
3965 (HITRATE): New macro.
3966 (PRED_FLAG_FIRST_MATCH): New constant.
3967 (predictor_info): New field flgags.
3968 (combine_predictions_for_insn): Use DS theory to combine
3969 probabilities; set the edge probabilities when finished.
3970 (estimate_probability): Avoid duplicated matches
3971 of LOOP_BRANCH heuristics for nested loops; update comment.
3972 * predict.def: Add flags for each prediction, set probabilities
3973 according to B&L paper.
3974 * predict.h (DEF_PREDICTOR): New argument FLAGS.
3976 * profile.c (compute_branch_probabilities): Cleanup way the edge
3977 probabilities are computed and REG_BR_PROB notes are dropped; if
3978 values does not match, emit error.
3979 (init_branch_prob): Do error instead of warning when profile driven
3980 feedback is missing or corrupt.
3982 2001-07-27 DJ Delorie <dj@redhat.com>
3984 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
3985 against a constant, try to adjust the compare to have the desired
3986 constant in it so that min/max optimizations happen more often.
3988 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3990 * flow.c (last_loop_beg_note): New function.
3991 (redirect_edge_and_branch): Use it.
3992 (split_edge): Likewise.
3994 * alias.c (loop_p): Avoid uninitialized memory access.
3996 * flow.c (try_forward_edges): Avoid accessing freed memory.
3998 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
4001 2001-07-26 Andrew Haley <aph@redhat.com>
4002 Joern Rennecke <amylaar@redhat.com>
4004 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
4005 (SUBTARGET_CPP_ENDIAN_SPEC): New.
4006 (SUBTARGET_CPP_SPEC): New.
4008 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
4009 (SUBTARGET_CPP_PTR_SPEC): New.
4010 (CPP_DEFAULT_CPU_SPEC): New.
4011 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
4012 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
4013 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
4014 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
4015 (SUBTARGET_CPP_SPEC): Define as an empty string.
4017 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4019 * doc/install.texi (Configuration): Properly link the host
4020 specific instructions also when generating HTML.
4022 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
4024 * flow.c (redirect_edge_and_branch_force): Test
4025 target->global_live_at_start.
4027 2001-07-26 Richard Henderson <rth@redhat.com>
4029 * simplify-rtx.c (avoid_constant_pool_reference): Export.
4030 * rtl.h (avoid_constant_pool_reference): Declare it.
4031 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
4032 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
4034 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
4036 * rtl.h (cleanup_barriers): Declare.
4037 * jump.c (cleanup_barriers): New function.
4038 * toplev.c (rest_of_compilation): Call cleanup_barriers
4039 before loop optimizer and after bb_reorder.
4041 * flow.c (back_edge_of_syntactic_loop_p): New.
4042 (split_edge): Use it.
4044 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4046 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
4048 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
4050 * cse.c (cse_process_notes): Replace any registers if the address
4053 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
4055 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
4056 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
4057 (propagate_block): Update prototype.
4058 * flow.c (update_life_info): Simplify the CFG and
4059 recalculate the global regs which are alive when
4060 removing dead code during a global update.
4061 (propagate_block): Return non-zero if an INSN is
4064 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4066 * Makefile.in (LIBICONV): Define.
4068 2001-07-26 Catherine Moore <clm@redhat.com>
4070 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
4071 of conditional to avoid tree checking errors.
4073 2001-07-26 Kazu Hirata <kazu@hxi.com>
4075 * regmove.c (regmove_optimize): Don't replace a reg with
4076 another reg of a different mode.
4078 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
4080 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
4081 limit length of dependancy flush list.
4082 * params.h (MAX_PENDING_LIST_LENGTH): Define.
4083 * sched-int.h (struct deps): Add pending_flush_length field.
4084 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
4085 has 1 element in it.
4086 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
4087 (sched_analyze): After a jump, if the pending memory flush list is too
4088 large, flush the pending lists.
4089 (init_deps): Initialize pending_flush_length to 0.
4090 * doc/invoke.texi (max_pending_list_length): Document parameter.
4092 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
4094 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
4095 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
4096 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
4098 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4100 * cpphash.h (struct_lexer_state): Delete was_skipping.
4101 Move skipping here from struct cpp_reader.
4102 * cpplex.c (parse_identifier): Update.
4103 (_cpp_lex_token): Don't skip tokens in a directive.
4104 * cpplib.c (struct if_stack): Update.
4105 (start_directive, end_directive): Don't change skipping state.
4106 (_cpp_handle_directive): Update.
4107 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
4108 (do_else, do_endif): Update; only check for excess tokens if not
4109 in a skipped conditional block.
4110 (push_conditional): Update for new struct if_stack.
4112 2001-07-26 Graham Stott <grahams@redhat.com>
4114 * function.c (locate_and_pad_parm): Also pad initial offset
4115 so that the total argument size also includes the padding.
4117 2001-07-26 Graham Stott <grahams@redhat.com>
4119 * gensupport.c (alter_output_for_insn): Correct enable checking failure
4120 change XSTR to XTMPL.
4122 (process_one_cond_exec): Likewise
4124 2001-07-25 Richard Henderson <rth@redhat.com>
4126 * varasm.c (assemble_variable): Create DECL_RTL before setting
4129 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
4131 * predict.c (estimate_probability): Avoid duplicated predictions.
4133 * loop.c (find_and_verify_loops): Grok multiple barriers.
4135 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4137 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
4139 * dbxout.c: Consistently use putc instead of fputc.
4140 (print_wide_int): New function; call instead of direct fprintf.
4141 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
4142 (dbxout_type_fields, dbxout_type_method_1): Likewise.
4143 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
4144 (print_int_cst_octal): Likewise.
4145 (print_octal): Show we wrote characters.
4146 (dbxout_type): Set have_used_extensions in more places.
4148 2001-07-25 Catherine Moore <clm@redhat.com>
4150 * config/v850/v850.c (v850_va_arg): Use addr
4151 instead of valist to build incr.
4153 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
4155 * flow.c (delete_dead_jumptables): New function.
4156 (life_analyzis): Call it.
4157 * bb-reorder.c (skip_insns_after_block): Handle contradictory
4160 2001-07-25 Richard Henderson <rth@redhat.com>
4162 * except.c (reachable_handlers): Handle a region being removed
4163 out from under a RESX.
4165 2001-07-25 Richard Henderson <rth@redhat.com>
4167 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
4168 swap GE/GT if it is an fp comparison.
4170 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
4172 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
4175 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
4177 * ssa.c (rename_insn_1): Do not wrap an assignment to a
4178 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
4181 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
4183 (visit_expression): When attempting to simplify an expression,
4184 retrieve any modes for arguments before they are simplified
4187 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
4188 Janis Johnson <janis@us.ibm.com>
4190 * stmt.c (expand_goto): A nonlocal goto can be a call too.
4191 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
4192 pointer parameters to match documented usage of nonlocal_goto.
4193 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
4194 parameters to their correct order.
4195 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
4196 parameters to their correct order.
4198 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
4200 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
4202 2001-07-25 Jan Hubicka <jh@suse.cz>
4203 Richard Henderson <rth@redhat.com>
4205 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
4207 (make_edges): New argument update_p; populate the edge cache if set.
4208 (find_basic_blocks): Update make_edges invocation.
4210 2001-07-24 Joel Sherrill <joel@OARcorp.com>
4212 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
4214 2001-07-24 Joel Sherrill <joel@OARcorp.com>
4216 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
4217 -Acpu and -Amachine.h.
4218 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
4219 Corrected header to say ELF not a.out.
4220 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
4221 when given -msoft-float.
4223 2001-07-24 Joel Sherrill <joel@OARcorp.com>
4225 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
4226 extra multilib parts like arm-elf.
4227 (i960-*-coff*, i960-*-rtems): Should not use collect2.
4228 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
4229 crtfini.o as extra multilib parts.
4231 2001-07-24 Joel Sherrill <joel@OARcorp.com>
4233 * configure.in: Add rtems as a supported thread model.
4234 * gthr-rtems.h: Add missing entry point __gthread_active_p.
4235 * configure: Rebuilt.
4237 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
4239 * stor-layout.c (get_mode_alignment): make it work when
4240 BITS_PER_UNIT is not a power of two.
4241 * builtins.c (get_pointer_alignment): Likewise.
4243 2001-07-24 Richard Henderson <rth@redhat.com>
4245 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
4246 the retrieved constant into the expected mode.
4248 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
4250 * flow.c (try_simplify_condjump): Avoid duplicated edges.
4251 (verify_flow_info): Check for duplicated edges; clarify
4254 * flow.c (block_label): Update basic_block_for_insn.
4255 (commit_edge_insertions): Call compute_bb_for_insn.
4257 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
4260 * flow.c (redirect_edge_and_branch,
4261 try_optimize_cfg): Use redirect_edge_succ_nodup
4262 (redirect_edge_succ_nodup): New.
4263 * basic_block.h (redirect_edge_succ_nodup): Declare.
4265 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
4268 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
4270 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
4271 (try_crossjump_to_edge): Update commetns.
4272 (try_crossjump_bb): Likewise.
4274 2001-07-24 Richard Henderson <rth@redhat.com>
4276 * combine.c (distribute_notes): Move set of need_refresh
4277 for noop_move_p down to catch all cases.
4279 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
4281 * recog.c (split_all_insns_noflow): New.
4282 * rtl.h (split_all_insns_noflow): Declare.
4283 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
4284 * m68hc11.c (m68hc11_reorg): Likewise.
4285 * sh.c (machine_dependent_reorg): Likewise.
4286 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
4289 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
4291 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
4292 (ashlsi3_n splitter): Likewise.
4293 (lshrsi3_n splitter): Likewise.
4295 (GOTaddr2picreg): Make const SImode.
4296 (sym_label2reg): Likewise.
4297 (symGOT2reg): Likewise.
4298 (symGOTOFF2reg) Likewise.
4300 (casesi_worker_0): Make unspec SImode.
4302 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
4304 * config/sh/sh.c (barrier_align): Check that an operand really is
4305 an insn before extracting its INSN_CODE.
4307 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
4309 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
4312 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
4313 for SImode to prevent overflow.
4315 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4317 * config/mips/irix6-libc-compat.c: New file.
4318 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
4319 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
4322 2001-07-24 lars brinkhoff <lars@nocrew.org>
4324 * rtl.texi (REG_POINTER): Document.
4325 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
4326 QFmode, HFmode, TQFmode, QCmode, and HCmode.
4328 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
4330 * flow.c (delete_noop_moves): Do not confuse libcall regions.
4332 2001-07-23 Richard Henderson <rth@redhat.com>
4334 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
4336 2001-07-23 Kazu Hirata <kazu@hxi.com>
4338 * config/h8300/h8300-protos.h: Add a prototype for
4339 general_operand_dst_push.
4340 * config/h8300/h8300.c (general_operand_dst_push): New.
4341 * config/h8300/h8300.h (OK_FOR_T): New.
4342 (EXTRA_CONSTRAINT): Use it.
4343 * config/h8300/h8300.md (movqi_push): Remove and integrate into
4344 the existing movqi pattern.
4345 (movhi_push): Likewise.
4347 * reload.c: Fix comment typos.
4349 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
4351 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
4353 2001-07-23 H.J. Lu (hjl@gnu.org)
4355 * doc/extend.texi: Update __builtin_return_address and
4356 __builtin_frame_address.
4358 2001-07-23 Richard Henderson <rth@redhat.com>
4360 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
4362 * config/i386/i386.md: New setcc+movzbl peephole2.
4364 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4366 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
4367 * objc/objc-act.c: Include debug.h.
4368 (synth_module_prologue): Save and restore debug hooks too.
4370 2001-07-23 lars brinkhoff <lars@nocrew.org>
4372 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
4373 and C4X_FLOAT_FORMAT.
4374 (BOOL_TYPE_SIZE): Document.
4376 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
4378 * unroll.c (loop_iterations): Fix miscalculation of initial
4381 2001-07-13 Andrew Haley <aph@redhat.com>
4383 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
4384 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
4385 * config/sh/sh.c (sh_can_redirect_branch): New function.
4386 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
4387 * reorg.c (steal_delay_list_from_target): Use
4388 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
4390 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4392 * flow.c (try_simplify_condjump): Unlink insn chain on
4393 fallthru edge; use can_fallthru.
4395 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4397 * basic-block.h (find_sub_basic_block): Declare.
4398 * flow.c (make_edges): New arguments MIN and MAX;
4399 (find_sub_basic_blocks): Revamp to use make_edges
4400 and purge_dead_edges.
4401 (find_basic_blocks): Update call of find_sub_basic_block.
4403 * recog.c (split_all_insns): Always expect CFG to be consistent;
4404 call find_sub_basic_blocks in case something has changed.
4405 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
4408 * basic-block.h (delete_noop_moves): Declare.
4409 * combine.c (combine_instructions): Call it.
4410 (recog_for_combine): Tolerate noop moves
4411 (distribute_notes): Force refresh when register dies at noop move.
4412 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
4414 (life_analysis): Update delete_noop_moves call.
4415 (set_noop_p): Move too ...
4416 * rtlanal.c (noop_move_p): ... here.
4417 * rtl.h (noop_move_p): Declare.
4419 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
4420 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
4422 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
4423 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
4425 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
4427 * reload.c (push_reload): Fix typo in comment.
4428 (find_reloads_address): Ditto.
4429 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
4431 2001-07-22 Richard Henderson <rth@redhat.com>
4433 * flow.c: Grammar check and clarify a lot of comments.
4434 (try_simplify_condjump): Rename variables to be clearer.
4435 (try_forward_edges): Skip complex and fallthru edges.
4436 Rearrange tests to avoid duplicate checks.
4437 (flow_find_cross_jump): Likewise.
4438 (outgoing_edges_match): Allow match if neither branch has
4439 probability data. Loosen probability match to 5%.
4440 (try_crossjump_to_edge): Hoist repeated indirection into
4442 (try_crossjump_bb): Don't check complex edges. Eliminate
4443 redundant crossjump tests.
4444 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
4445 checks before more expensive checks.
4447 2001-07-22 Richard Henderson <rth@redhat.com>
4449 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
4450 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
4453 2001-07-22 Richard Henderson <rth@redhat.com>
4455 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
4456 (const_sint32_operand): Likewise.
4457 * m68k.md (anon mulsi pattern): Use const_int_operand not
4458 const_sint32_operand.
4459 (umulsi3_highpart): Zero extend a constant input.
4460 (smulsi3_highpart): Don't bother checking SImode constant.
4461 (const_umulsi3_highpart): Give op3 DImode.
4462 (const_smulsi3_highpart): Likewise.
4464 2001-07-22 Richard Henderson <rth@redhat.com>
4466 * flow.c (split_block): Make sure bb_note is included in the
4467 new block when splitting before a label.
4469 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4471 * basic-block.h (redirect_edge_and_branch_force,
4472 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
4473 * flow.c (redirect_edge_and_branch_force,
4474 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
4475 (redirect_edge_and_branch_force): Fix copying of lifeness information.
4476 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
4477 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
4478 instead of label; update CFG after transformation.
4479 (find_if_case_1): Update call, use redirect_edge_and_branch_force
4480 for finishing the transformation; handle even case where ELSE
4481 does not follow THEN.
4482 (find_if_case_2): Update call of dead_or_predictable; simplify
4485 * emit-rtl.c (split_branch_probability): New global variable.
4486 (try_split): Take care to set split_branch_probability and
4487 create REG_BR_PROB note for new jump insns.
4488 * md.texi (define_split): Document new feature.
4490 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
4492 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
4494 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
4495 (asm_out_file): Remove redundant declaration.
4496 (assemble_asm): Remove old #if 0 block.
4497 (assemble_variable): Remove end of function; debug output is
4498 now handled with global_decl. Remove old #if 0 block. Update.
4499 Remove saved_in_section and associated no-op code.
4500 * Makefile.in (varasm.o): Correct dependencies.
4502 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
4504 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
4505 the definition in defaults.h.
4507 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
4509 * jump.c: Update comments.
4510 (delete_barrier_successors, delete_unreferenced_labels,
4511 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
4512 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
4513 jump_optimize, jump_optimize_minimal): Kill.
4514 (rebuild_jump_labels): Move code from jump_optimize_1.
4515 (purge_line_number_notes): Likewise.
4516 (copy_loop_headers): Likewise.
4517 * reg-stack.c: Update comment.
4519 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
4520 JUMP_AFTER_REGSCAN): Kill.
4521 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
4522 purge_line_number_notes and copy_loop_headers.
4524 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
4525 Richard Henderson <rth@redhat.com>
4527 * dbxout.c (dbxout_global_decl): New.
4528 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
4529 * sdbout.c (sdbout_finish): New.
4530 (sdbout_debug_hooks): Use it, add comments.
4531 (sdbout_global_decl): Defer initialised public vars to
4533 * varasm.c (assemble_variable): Don't output debug information
4534 for file-scope variables.
4536 2001-07-22 Richard Henderson <rth@redhat.com>
4538 * config/alpha/alpha.c (get_trap_mode_suffix): New.
4539 (get_round_mode_suffix): New.
4540 (print_operand): Use them for [/]. Remove support for [&'`()+].
4541 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
4542 * config/alpha/alpha.md (attr round_suffix): New.
4543 (attr trap_suffix): New.
4544 (all insns): Set them appropriately. Use %/ instead of the
4547 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4549 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
4551 2001-07-22 Richard Henderson <rth@redhat.com>
4553 * regrename.c (regrename_optimize): Compute nregs for each
4554 potential target register.
4556 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
4557 Richard Henderson <rth@redhat.com>
4559 * dbxout.c (dbxout_global_decl): New.
4560 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
4561 * sdbout.c (sdbout_finish): New.
4562 (sdbout_debug_hooks): Use it, add comments.
4563 (sdbout_global_decl): Defer initialised public vars to
4565 * varasm.c (assemble_variable): Don't output debug information
4566 for file-scope variables.
4568 2001-07-21 H.J. Lu (hjl@gnu.org)
4570 * config/mips/mips.c (mips_cpu): Moved into ...
4571 (override_options): Here.
4573 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
4575 (mips_cpu): Removed.
4577 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4579 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
4580 ("iorqi3"): Likewise.
4581 ("xorqi3"): Likewise.
4582 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
4583 ("*subhi3_sp): Likewise.
4584 ("*subhi3"): Likewise.
4585 ("extendhisi2"): Accept D, X and Y as source operand to avoid
4588 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
4590 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
4591 * config/freebsd.h: Likewise.
4592 * config/linux.h: Likewise.
4593 * config/openbsd.h: Likewise.
4594 * config/alpha/linux-elf.h: Likewise.
4595 * config/arm/linux-elf.h: Likewise.
4596 * config/d30v/d30v.h: Likewise.
4597 * config/fr30/fr30.h: Likewise.
4598 * config/ia64/aix.h: Likewise.
4599 * config/ia64/ia64.h: Likewise.
4600 * config/mips/linux.h: Likewise.
4601 * config/pj/pj.h: Likewise.
4602 * config/rs6000/linux.h: Likewise.
4603 * config/sparc/linux.h: Likewise.
4604 * config/sparc/linux64.h: Likewise.
4606 2001-07-20 Bruce Korb <bkorb@gnu.org>
4608 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
4609 because getc() and char* may disagree on signedness.
4611 2001-07-20 Richard Henderson <rth@redhat.com>
4613 * doc/rtl.texi (REG_DEAD): Update for current semantics.
4615 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
4616 insns to delete in the presence of cc0 in a jump insn.
4618 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
4619 Jan Hubicka <jh@suse.cz>
4621 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
4622 of doing the change by hand.
4624 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
4626 * rtlanal.c (set_noop_p): Return true for noop jumps.
4628 * expr.c (emit_single_push_insn): Add call to push expander.
4629 * expr.h (optab_index): Add OTI_push
4630 (push_optab): New constant.
4631 * genopinit.c (optabs): Add push_optab.
4632 * optabs.c (init_optab): Init push optab.
4633 * md.texi (push??1): Document
4635 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4637 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
4638 expand to emit the pattern; put a REG_INC note for push/pop
4640 ("movdf", "movdf_internal"): Likewise.
4641 ("movsi", "movsi_internal"): Likewise.
4642 ("movsf", "movsf_internal"): Likewise.
4643 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
4645 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4647 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
4650 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
4652 * params.def: Change default max inline insns to 100.
4654 2001-07-20 Diego Novillo <dnovillo@redhat.com>
4656 * combine.c (combine_simplify_rtx): Generate a new shift operation
4657 when simplifying the first operand of a (neg (ashift)) expression.
4659 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4661 * regclass.c (N_REG_INTS): Use only 32 bits per element.
4663 2001-07-20 Kelley Cook <kelley.cook@home.com>
4665 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
4666 information. Move rest into ...
4667 (*-*-solaris): ... here. Eliminate redundant information and
4668 reword necessary packages section. Delete 4.x assembler bug info.
4669 (sparc-sun-*): Merge into ...
4670 (sparc-sun-sunos*): here.
4672 2001-07-20 Catherine Moore <clm@redhat.com>
4674 * config/v850/v850.md (casesi): Generate LABEL_REF
4677 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
4679 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
4680 * i386.c (ix86_zero_extend_to_Pmode): Make global.
4681 * i386.md (strclrsi expander): Use it.
4683 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4685 * integrate.c (copy_insn_list): handle
4686 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
4687 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
4688 identically as to CODE_LABEL.
4690 * fold-const (fold): Convert A/B/C to A/(B*C) and
4693 * except.c (connect_post_landing_pads): Delete the RESX insns.
4695 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
4697 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
4699 * config/mips/mips.md (nmadd/nmsub): Use macro.
4701 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
4703 * cppinit.c (remove_dup_dir): Make static.
4704 (remove_dup_dirs): Make static. Only warn about preempting a
4705 system directory with a non-system directory.
4707 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
4709 * ifcvt.c (noce_try_store_flag_constants): Correct order
4710 of parameters to trunc_int_for_mode.
4712 2001-07-19 Mark Mitchell <mark@codesourcery.com>
4714 * reorg.c (fill_simple_delay_slots): If an instruction might throw
4715 an exception that will be caught within this function, do not fill
4716 its delay slot with any subsequent instruction.
4718 2001-07-19 Steve Ellcey <sje@cup.hp.com>
4720 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
4721 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
4722 pointer extension instruction.
4723 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
4724 * simplify-rtx.c (simplify_unary_operation) Likewise.
4725 * explow.c (convert_memory_address) Check value of
4726 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
4728 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
4729 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
4730 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
4731 Add Multilib Support.
4732 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
4733 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
4734 Add Multilib Support.
4735 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
4737 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
4738 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
4739 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
4741 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
4743 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
4744 old and new operands in `<', `3' and `b'.
4746 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
4748 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
4749 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
4750 (toplev.o): Don't depend on xcoffout.h.
4751 * c-decl.c: Include debug.h
4752 (duplicate_decls): Use debug hook.
4753 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
4754 (dbx_debug_hooks, xcoff_debug_hooks): Update.
4755 (dbxout_types): Remove.
4756 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
4757 * debug.c (do_nothing_debug_hooks): Update.
4758 (debug_true_tree, debug_nothing_rtx): New.
4759 * debug.h (struct rtx_def): New.
4760 (struct gcc_debug_hooks): New hooks ignore_block,
4761 outlining_inline_function and label.
4762 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
4763 dwarf2out_frame_finish): New.
4764 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
4765 Make static, update prototype.
4766 (dwarf2_debug_hooks): Update.
4767 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
4768 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
4769 * dwarfout.c (dwarf_debug_hooks): Update.
4770 * emit-rtl.c: Include debug.h.
4771 (remove_unnecessary_notes): Use debug hook.
4772 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
4773 (final_scan_insn): Use debug hook.
4774 * integrate.c (output_inline_function): Use debug hook.
4775 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
4776 (sdb_debug_hooks): Update.
4777 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
4778 * toplev.c: Don't include xcoffout.h.
4779 (note_outlining_of_inline_function, debug_ignore_block): Remove.
4780 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
4782 * tree.h (dwarf2out_do_frame): Remove.
4784 2001-07-19 Catherine Moore <clm@cygnus.com>
4786 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
4788 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
4790 * reload1.c (eliminate_regs_in_insn): When updating a set
4791 to the frame pointer to the hardware frame pointer, perform
4792 the update always not just when REPLACE is set.
4794 * reload1.c (choose_reload_regs): Don't inherit a reload
4795 that crosses multiple registers if registers past the first
4796 don't fit in the desired class.
4798 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
4799 when negating constants.
4801 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
4803 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
4804 * doc/tree.texi: Ditto.
4806 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
4807 Jakub Jelinek <jakub@redhat.com>
4809 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
4810 (extract_cie_info): Handle "eh" augmentation properly,
4812 (struct frame_state, __frame_state_for): New.
4814 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4816 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
4817 HANDLE_SYSV_PRAGMA): Define.
4818 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
4820 (copy_object): Caller changed.
4822 2001-07-19 Andreas Schwab <schwab@suse.de>
4824 * configure.in (assembler dwarf2 debug_line support): Define nop
4826 * configure: Regenerated.
4828 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
4830 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
4832 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
4833 to conditionally compiled block.
4834 (dbx_debug_hooks, xcoff_debug_hooks): Update.
4835 * dbxout.h (dbxout_function): Remove.
4836 * debug.c (do_nothing_debug_hooks): Update.
4837 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
4838 global_decl, deferred_inline_function.
4839 * dwarf2out.c (dwarf2_debug_hooks): Update.
4840 (dwarf2out_global_decl): New.
4841 * dwarfout.c: Don't include dwarfout.h.
4842 (dwarfout_global_decl, dwarfout_function_decl,
4843 dwarfout_deferred_inline_function): New.
4844 (dwarf_debug_hooks): Update.
4845 * dwarfout.h: Remove.
4846 * final.c: Don't include dwarfout.h.
4847 * sdbout.c (sdbout_global_decl): New.
4848 (sdbout_debug_hooks): Update.
4849 * toplev.c: Don't include dwarfout.h.
4850 (check_global_declarations, rest_of_compilation): Use new debug hooks.
4851 (note_deferral_of_defined_inline_function): Remove.
4852 * toplev.h (note_deferral_of_defined_inline_function): Remove.
4853 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
4854 * ch/lex.c: Don't include dwarfout.h.
4855 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
4856 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
4857 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
4858 * cp/optimize.c: Include debug.h.
4859 (maybe_clone_body): Use debug hook.
4860 * cp/semantics.c: Include debug.h.
4861 (expand_body): Use debug hook.
4862 * po/POTFILES.in: Remove dwarfout.h.
4864 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
4866 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
4867 * c-parse.in (yyerror, _yylex): Similarly.
4868 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
4869 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
4871 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
4872 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
4874 2001-07-18 Jeff Sturm <jsturm@one-point.com>
4876 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
4877 in-class declaration at -g1. Fixes c++/2814.
4879 2001-07-18 Richard Henderson <rth@redhat.com>
4881 * doc/md.texi (reload_in/out): Document restrictions in predicates
4882 and constraints for these patterns. Document empty string matching
4885 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4887 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
4889 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4891 * cse.c: Undo my previous patch.
4893 2001-07-18 Tom Tromey <tromey@redhat.com>
4896 * configure: Rebuilt.
4897 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
4899 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
4901 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
4902 Jan Hubicka <jh@suse.cz>
4904 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
4905 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
4906 * jump.c (mark_jump_label): Do not forward branches.
4908 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
4910 * cse.c (delete_trivially_dead_insns): Delete the libcall block
4911 when return value is unused.
4913 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4915 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
4917 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
4919 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
4920 on error. We can't blindly return the result of
4921 pthread_mutex_trylock because it returns a positive number on
4922 error, while we must return -1 on error.
4923 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
4925 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
4927 2001-07-18 Andreas Jaeger <aj@suse.de>
4929 * integrate.c (output_inline_function): Correct type of debug_hooks.
4931 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
4933 * combine.c (combine_simplify_rtx): DIV can be treated
4934 associatively for floats if unsafe math optimisations are enabled.
4936 2001-07-17 Richard Henderson <rth@redhat.com>
4938 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
4940 2001-07-17 Richard Henderson <rth@redhat.com>
4942 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
4943 don't force the function address into a register.
4944 (expand_call, emit_library_call_value_1): Update callers.
4945 * builtins.c (expand_builtin_apply): Likewise.
4946 * expr.h (prepare_call_address): Update decl.
4948 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
4950 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
4952 * config/i386/chorus.h: Move up.
4953 * config/sparc/chorus.h: Likewise.
4954 * config/rs6000/chorus.h: Likewise.
4955 * config/chorus.h: Moved here.
4957 2001-07-17 Andreas Schwab <schwab@suse.de>
4959 * configure.in (assembler eh_frame optimization): Handle big
4961 * configure: Regenerated.
4963 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
4965 * expr.c (epxand_expr): Convert divisions into multiplications by
4966 reciprocals if -ffast-math.
4968 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
4970 * dbxout.c (dbxout_really_begin_function): Rename to
4971 dbxout_begin_function.
4972 (dbx_debug_hooks, xcoff_debug_hooks): Update.
4973 (dbxout_begin_function): Remove.
4974 (dbxout_function): Update.
4975 (dbxout_source_line): Update prototype.
4976 * dbxout.h (dbxout_begin_function): Remove.
4977 * debug.c (do_nothing_debug_hooks): Update.
4978 (debug_nothing_tree): Update.
4979 (debug_nothing_charstar_rtx): Remove.
4980 * debug.h (union tree_node): Declare.
4981 (struct rtx_def): Remove.
4982 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
4983 begin_function. Change source_line prototype.
4984 (debug_nothing_tree): New.
4985 (debug_nothing_charstar_rtx): Delete.
4986 (dwarf2out_begin_prologue): Moved from ...
4988 * dwarf2out.c (dwarf2_debug_hooks): Update.
4989 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
4990 debug info, call dwarf2out_source_line.
4991 (dwarf2out_souce_line): Update prototype.
4992 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
4993 Change prototype, make static.
4994 (dwarfout_source_line): Update prototype.
4995 (dwarf_debug_hooks): Update.
4996 * dwarfout.h (dwarfout_begin_function): Remove.
4997 * final.c (final_start_function, final_scan_insn): Use appropriate
4998 debug hooks, update to use notice_source_line.
4999 (output_source_line): Rename notice_source_line. Don't call the
5000 source_line debug hook.
5001 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
5002 make static, update prototype.
5003 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
5005 (sdbout_end_prologue): New.
5006 (sdbout_source_line): Update prototype.
5007 (sdbout_debug_hooks): Update.
5008 (sdbout_symbol): Remove unused var.
5009 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
5011 * varasm.c: Include debug.h.
5012 (assemble_start_function): Use begin_function debug_hook.
5013 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
5014 update with prototype.
5015 (xcoffout_source_line): Update prototype.
5016 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
5018 (xcoffout_source_line): Update prototype.
5020 2001-07-17 Richard Henderson <rth@redhat.com>
5022 * c-typeck.c (build_binary_op): Do not shorten unsigned
5023 right shift after sign extension.
5025 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
5027 * combine.c (combine_simplify_rtx): Attempt to simplify
5028 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
5030 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
5031 (simplify_binary_operation, simplify_unary_operation,
5032 simplify_relational_operation): Use it.
5034 * combine.c (combine_simplify_rtx): Don't do associative law
5035 on divisions; allow associative law on floats.
5037 2001-07-17 H.J. Lu <hjl@gnu.org>
5038 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5040 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
5041 ASM_OUTPUT_WEAK_ALIAS are defined.
5042 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
5043 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
5045 * config/mips/iris5.h: ... here.
5046 (HANDLE_SYSV_PRAGMA): Defined as 1.
5047 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
5048 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
5051 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
5053 * c-parse.in (all_prefix_attributes): New variable.
5054 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
5055 (maybe_resetattrs): New production.
5056 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
5057 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
5058 notype_initdcl, nested_function, notype_nested_function,
5059 component_decl, components, components_notype,
5060 component_declarator, component_notype_declarator,
5061 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
5062 ivars, mydecl, myparm): Update. Avoid prefix attributes just
5063 after a comma being applied to more than one declarator.
5064 * doc/extend.texi (Attribute Syntax): Update. Remove
5065 documentation of bugs that are no longer present.
5067 2001-07-13 Eric Christopher <echristo@redhat.com>
5069 * config/mips/mips.h: Change TUNE_MIPS* options to use
5071 (EXTRA_SPECS): Add cc1_cpu_spec.
5072 * config/mips/mips.md (muldf3): Fix typo.
5074 2001-07-16 Richard Henderson <rth@redhat.com>
5076 * config/m68k/m68k.c: Include expr.h and reload.h.
5077 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
5078 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
5080 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
5081 Richard Henderson <rth@redhat.com>
5083 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
5084 (insn_live_p): Fix fall off end of function.
5085 (dead_libcall_p): Remove COUNTS argument; update callers.
5086 (delete_trivially_dead_insns): Remove unused variables.
5088 2001-07-17 Andreas Jaeger <aj@suse.de>
5090 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
5093 * lcm.c (optimize_mode_switching): Avoid warning for unused
5094 variable if !NORMAL_MODE.
5096 * flow.c (try_crossjump_to_edge): Remove unused variable.
5098 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
5100 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
5101 atexit declaration in stdlib.h.
5103 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
5105 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
5107 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5109 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
5110 * except.c (finish_eh_generation): Update call of cleanup_cfg;
5111 do rebuild_jump_labels instead of jump_optimize
5112 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
5113 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
5114 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
5116 * flow.c: Include timevar.h
5117 (find_basic_block): Push/pop timevar;
5118 (cleanup_cfg): Likewise.
5119 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
5120 * Makefile: Add dependencies on timevar.h
5122 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
5123 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
5125 * rtl.h (delete_trivially_dead_insns): Add new parameter.
5126 * toplev.c (rest_of_compilation): Update calls.
5127 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
5128 (delete_trivially_dead_insns): ... here; accept new argument
5129 preserve_basic_blocks; preserve basic blocks if set.
5131 * reg-stack.c (stack_regs_mentioned): Return 0 if
5132 stack_regs_mentioned_data is not initialized.
5133 (reg_to_stack): Make stack_regs_mentioned survive after the
5134 reg-stack is completted; do not call cleanup_cfg.
5135 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
5136 make cleanup_cfg after bb-reorder to output to debug file.
5138 2001-07-16 Richard Henderson <rth@redhat.com>
5140 * regclass.c (init_reg_sets): Use only 32 bits per initializer
5141 from int_reg_class_contents.
5143 2001-07-16 Richard Henderson <rth@redhat.com>
5145 * hard-reg-set.h (regs_invalidated_by_call): Declare.
5146 * regclass.c (regs_invalidated_by_call): Move from cse.c.
5147 (init_reg_sets_1): Move initialization from cse_main.
5148 * cse.c (regs_invalidated_by_call): Move to regclass.c.
5149 (cse_main): Move its initialization also.
5150 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
5151 * flow.c (propagate_one_insn): Likewise.
5152 * gcse.c (compute_hash_table): Likewise.
5153 (compute_kill_rd, compute_store_table): Likewise.
5154 * sched-deps.c (sched_analyze_1): Likewise.
5156 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
5158 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
5161 2001-07-16 Steve Ellcey <sje@cup.hp.com>
5163 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
5164 in if statement so we don't access undefined memory.
5166 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
5168 * gcse.c: Update comment at top.
5169 Update comment on mem handling.
5170 mem_last_set, mem_first_set, mem_set_in_block: gone.
5171 Declaration of reg_set_info: gone.
5172 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
5173 pointless with load_killed_in_block_p (they are *more*
5174 conservative then it, not less, and less accurate).
5175 (oprs_not_set_p): Ditto.
5176 (alloc_gcse_mem): Don't allocate mem_set_in_block
5177 (free_gcse_mem): Don't free it, either.
5178 (record_last_mem_set_info): Update comment in front, remove
5179 mem_*set_* stuff. Note the reason we don't handle stores directly
5181 (compute_hash_table): Update comments to reflect reality. Remove
5182 mem_*set_* references.
5183 (reset_opr_set_tables): Remove mem_*set_* references.
5185 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
5186 (mark_clobber): Ditto (on both parts, we double set here too).
5187 (expr_killed_p): Remove mem_set_in_block test.
5188 (compute_transp): Remove mem_set_in_block test.
5190 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
5191 of edge, and removal of phi alternative to dump file.
5192 (ssa_ccp_substitute_constants): Add note about register now being
5193 constant, and which uses were replaced in what insns to dump file.
5195 2001-07-16 Andreas Jaeger <aj@suse.de>
5197 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
5198 variables of type HOST_WIDEST_INT.
5200 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
5201 (__bb_exit_func): Correct type of count_max to avoid overflow.
5202 (num_digits): Handle long long argument.
5204 * combine.c (gen_lowpart_for_combine): Remove unused variable.
5206 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
5208 * output.h (sdb_begin_function_line): Restore as an extern
5210 * sdbout.c (sdb_begin_function_line): Make extern.
5212 2001-07-15 Richard Henderson <rth@redhat.com>
5214 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
5215 * genrecog.c (maybe_both_true_mode): New.
5216 (maybe_both_true_2): Use it.
5217 (write_switch): Don't put Pmode in a switch.
5218 * rtl.c (mode arrays): Don't explicitly size them.
5220 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
5222 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
5223 handling; move unconditional splitting before mode switching.
5225 * i386.md (type): Add fistp type.
5226 (i387, length_attr, scheduling definitions): Handle this type.
5227 (fix_trunc?f?i2): Revamp to use mode switching.
5228 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
5229 * i386.h (fp_cw_mode): New enum
5230 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
5231 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
5233 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5235 * Makefile.in (integrate.o): Add debug.h.
5236 * integrate.c (debug.h): Add.
5237 (output_inline_function): Save, reset, and restore debug_hooks.
5239 2001-07-15 Richard Henderson <rth@redhat.com>
5241 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
5242 instead of COMPARE for the EQUIV expression.
5244 2001-07-15 Richard Henderson <rth@redhat.com>
5246 * flow.c (redirect_edge_and_branch_force): Initialize
5247 global_live_at_start and global_live_at_end.
5248 (allocate_bb_life_data): Export.
5249 * basic-block.h (allocate_bb_life_data): Declare.
5250 * toplev.c (rest_of_compilation): Call it.
5252 2001-07-15 Richard Henderson <rth@redhat.com>
5254 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
5255 (alpha_tablejump_best_label): New.
5256 * config/alpha/alpha-protos.h: Declare them.
5257 * config/alpha/alpha.md: Use braced strings for code blocks.
5258 (tablejump_osf): Break out add with r29.
5259 (tablejump_osf_internal): Remove.
5260 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
5261 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
5263 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5265 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
5268 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
5270 * i386-protos.h (ix86_split_fp_branch): Update prototype.
5271 (ix86_fp_jump_nontrivial_p): New.
5272 * i386.md (fp_jcc_?): Update call of split_fp_branch;
5273 use ix86_fp_jump_nontrivial_p.
5274 * i386.c (ix86_fp_jump_nontrivial_p): New.
5275 (ix86_split_fp_branch): Accept code instead of rtx.
5276 (ix86_expand_compare): Expand comparison early in case
5277 doing so is resonably cheap.
5279 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
5281 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
5283 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
5284 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
5286 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
5288 * dbxout.c (dbxout_source_line): Make static, update prototype.
5289 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
5290 (dbxout_init, dbxout_finish, dbxout_source_line,
5291 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
5292 * dbxout.h (dbxout_source_line): Delete.
5293 * debug.c (debug_nothing_file, debug_nothing_file_int,
5294 debug_nothing_file_charstar_rtx): New.
5295 (do_nothing_debug_hooks): Update.
5296 (debug_nothing_void, debug_nothing_charstar_rtx,
5297 dwarf2out_end_epilogue): New.
5298 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
5299 * debug.h (struct rtx_def): Declare.
5300 (gcc_debug_hooks): New hooks source_line, end_epilogue
5302 (debug_nothing_void, debug_nothing_charstar_rtx,
5303 dwarf2out_end_epilogue): New.
5304 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
5305 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
5306 (dwarf2_debug_hooks): Update.
5307 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
5308 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
5309 * dwarf2out.h (dwarf2out_source_line): Remove.
5310 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
5311 Make static, update prototype.
5312 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
5313 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
5314 (dwarf_debug_hooks): Update.
5315 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
5316 dwarfout_end_function): Remove.
5317 * final.c (profile_function): Use debug hooks for ending functions
5319 (output_source_line, final_end_function): Update prototype,
5321 (final_start_function, final_scan_insn): Update.
5322 * output.h (sdb_begin_function_line): Remove.
5323 (final_end_function): Update prototype.
5324 * sdbout.c (sdb_begin_function_line): Make static.
5325 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
5326 (sdbout_source_line): New.
5327 (sdbout_end_epilogue, sdbout_end_function): Make static, update
5329 (sdb_debug_hooks): Update.
5330 (sdbout_init, sdbout_source_line,
5331 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
5332 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
5333 * toplev.c (compile_file, rest_of_compilation): Update.
5334 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
5335 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
5336 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
5337 Update for prototype changes.
5338 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
5339 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
5341 2001-07-15 Richard Henderson <rth@redhat.com>
5343 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
5344 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
5345 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
5346 * config/alpha/alpha.c: Likewise.
5347 * config/alpha/alpha.md: Likewise.
5348 * config/alpha/alpha32.h: Likewise.
5349 * config/alpha/vms.h: Likewise.
5352 2001-07-14 Richard Henderson <rth@redhat.com>
5354 * config/alpha/alpha.md: Use define_constants for unspec values.
5355 Substitute throughout.
5357 2001-07-14 Tim Josling <tej@melbpc.org.au>
5359 * tree.def (EXPON_EXPR) remove. Never supported anyway.
5361 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
5363 * pa.md: Remove unused constraints from define_split's.
5365 2001-04-14 Richard Henderson <rth@redhat.com>
5367 * ifcvt.c (find_cond_trap): Test for exit block.
5369 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
5371 Re-install recently reverted patch.
5372 * emit-rtl.c (try_split): Update mark_jump_label call.
5373 * flow.c (find_sub_basic_blocks): Likewise.
5374 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
5376 (mark_all_labels): Kill second parameter.
5377 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
5378 (rebuild_jump_labels, jump_optimize_minimal): Update call
5380 (jump_optimize_1): Kill crossjumping code.
5381 (mark_jump_label): Kill cross_jump parameter.
5382 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
5383 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
5384 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
5386 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
5388 (dump_file_info): Likewise.
5389 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
5390 reorganize passes to do reg-stack first, bb-reorder second.
5391 * invoke.texi (-d letters doc): Remove the jump2 pass.
5393 2001-07-14 Richard Henderson <rth@redhat.com>
5395 * ifcvt.c (find_cond_trap): New.
5396 (find_if_header): Call it.
5397 (merge_if_block): Relax existing jump sanity check.
5398 * jump.c (jump_optimize_1): Remove conditional trap handling.
5400 2001-07-14 Alan Modra <amodra@bigpond.net.au>
5402 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
5404 (insn_refs_are_delayed): Correct comment.
5405 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
5406 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
5407 instead of r31. Make associated insn !TARGET_64BIT, and
5408 provide an additional 64-bit insn that clobbers r2.
5410 (udivsi3): Likewise.
5412 (umodsi3): Likewise.
5414 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
5416 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
5418 * flow.c (redirect_edge_and_branch_force, split_edge,
5419 try_crossjump_to_edge): Use set_block_for_new_insns.
5420 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
5422 2001-07-13 H.J. Lu (hjl@gnu.org)
5424 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
5427 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
5429 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
5431 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
5433 * c-common.c (decl_attributes): Take a pointer to the node to
5434 which attributes are to be attached, and a flags argument.
5435 * c-common.h (enum attribute_flags): New.
5436 (decl_attributes): Update prototype.
5437 * c-decl.c (start_decl, push_parm_decl, finish_struct,
5438 finish_enum, start_function): Update calls to decl_attributes.
5439 * c-parse.in (component_declarator, component_notype_declarator,
5440 label): Update calls to decl_attributes.
5442 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
5444 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
5445 * config/avr/avr.c (legitimate_address_p): Return value changed
5446 from letter to register classes. For better debugging.
5448 2001-07-13 Kazu Hirata <kazu@hxi.com>
5450 * jump.c (reversed_comparison_code_parts): Fix comment typos.
5452 2001-07-13 H.J. Lu (hjl@gnu.org)
5454 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
5456 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
5458 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
5459 correctly for shared configurations.
5460 * config/t-libgcc-pic: New.
5461 * config/{i386,m68k,sparc}/t-openbsd: New.
5462 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
5463 Support -shared. Support debugging libraries with -g.
5464 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
5465 frame information does not emit pointer diffs.
5466 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
5469 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
5471 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
5473 2001-07-13 David Edelsohn <edelsohn@gnu.org>
5475 * combine.c (try_combine): Ensure const_int pow2 is positive.
5477 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
5479 * config.gcc: Add configuration for s/390.
5480 * config/s390/s390.c: New. Subroutines for code generation.
5481 * config/s390/s390.h: New. Definitions for s/390.
5482 * config/s390/s390-protos.h: New. Prototypes.
5483 * config/s390/linux.h: New. Definitions for linux for s/390.
5484 * config/s390/linux64.h: New. Definitions for linux for zSeries.
5485 * config/s390/t-linux: New. Makefile fragment.
5486 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
5487 * config/s390/fixdfdi.h: New. Fix L_fix*di.
5489 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5491 * emit-rtl.c (try_split): Update mark_jump_label call.
5492 * flow.c (find_sub_basic_blocks): Likewise.
5493 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
5495 (mark_all_labels): Kill second parameter.
5496 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
5497 (rebuild_jump_labels, jump_optimize_minimal): Update call
5499 (jump_optimize_1): Kill crossjumping code.
5500 (mark_jump_label): Kill cross_jump parameter.
5501 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
5502 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
5503 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
5505 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
5507 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
5508 reorganize passes to do reg-stack first, bb-reorder second.
5509 * invoke.texi (-d letters doc): Remove the jump2 pass.
5511 2001-07-12 Steve Ellcey <sje@cup.hp.com>
5513 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
5515 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5517 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
5519 (verify_flow_info): Make diagnostics prettier.
5521 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
5523 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
5525 * flow.c (outgoing_edges_match): Return early if condition reversal
5528 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
5530 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
5531 (mips_move_2words): When splitting a move into two instructions,
5532 prefix the second address operand with '%D'.
5534 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
5536 * Makefile.in (final.o): Depend on debug.h.
5537 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
5538 (dbx_debug_hooks): Add new hooks.
5539 (xcoff_debug_hooks): New.
5540 * debug.c (debug_nothing_file_int_int): New.
5541 (do_nothing_debug_hooks): Update.
5542 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
5543 (debug_nothing_file_int_int): New.
5544 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
5545 static, update prototype.
5546 (dwarf2_debug_hooks): Update.
5547 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
5548 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
5549 static, update prototype.
5550 (dwarf_debug_hooks): Update.
5551 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
5552 * final.c: Include debug.h.
5553 (final_scan_insn): Use debug hooks when beginning and ending blocks.
5554 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
5555 static, update prototype.
5556 (sdb_debug_hooks): Update.
5557 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
5558 * toplev.c: Distinguish between xcoff and dbx.
5560 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
5561 Call all debug hooks, not just dwarf ones.
5563 2001-07-11 Timothy Wall <twall@redhat.com>
5565 * config.gcc: Add configuration for AIX5/IA64.
5566 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
5567 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
5568 support prefix/suffix code.
5569 * config/ia64/t-aix: New. Makefile fragment.
5570 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
5572 2001-07-11 Kazu Hirata <kazu@hxi.com>
5574 * recog.c (validate_change): Fix a comment typo.
5576 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
5578 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
5579 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
5581 * dbxout.c (dbx_debug_hooks): Add new hooks.
5582 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
5584 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
5586 * dbxout.h (dbxout_start_new_source_file,
5587 dbxout_resume_previous_source_file): Delete.
5588 * debug.c (do_nothing_debug_hooks): Add new hooks.
5589 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
5590 (debug_nothing_int_charstar, debug_nothing_int): New.
5591 * debug.h (gcc_debug_hooks): New hooks define, undef,
5592 start_source_file and end_source_file.
5593 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
5594 (debug_nothing_int_charstar, debug_nothing_int): New.
5595 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
5596 the conditionally compiled section.
5597 (dwarf2out_start_source_file, dwarf2out_end_source_file,
5598 dwarf2out_define, dwarf2out_undef): Make static.
5599 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
5600 dwarf2out_define, dwarf2out_undef): Remove.
5601 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
5602 (dwarfout_start_source_file, dwarfout_end_source_file,
5603 dwarfout_define, dwarfout_undef): Make static.
5604 (dwarfout_start_source_file_check,
5605 dwarfout_end_source_file_check): New.
5606 (dwarfout_define, dwarfout_finish): Update.
5607 * dwarfout.h (dwarfout_start_new_source_file,
5608 dwarfout_resume_previous_source_file, dwarfout_define,
5609 dwarfout_undef): Remove.
5610 * sdbout.c (sdb_debug_hooks): Add new hooks.
5611 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
5613 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
5614 make static, take an arg.
5615 * sdbout.h (sdbout_start_new_source_file,
5616 sdbout_resume_previous_source_file): Delete.
5617 * toplev.c (debug_start_source_file, debug_end_source_file,
5618 debug_define, debug_undef): Delete.
5619 * toplev.h (debug_start_source_file, debug_end_source_file,
5620 debug_define, debug_undef): Delete.
5622 * java/jcf-parse.c: Include debug.h.
5623 (parse_class_file): Update to use debug hooks directly.
5624 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
5626 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5628 * alias.c (set_mem_alias_set): New function.
5629 * rtl.h (set_mem_alias_set): Declare it.
5630 * builtins.c (expand_builtin_return_addr): Call it instead of
5631 using MEM_ALIAS_SET accessor.
5632 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
5633 (get_memory_rtx, expand_builtin_va_arg): Likewise.
5634 (expand_builtin_va_copy):Likewise.
5635 * caller-save.c (setup_save_areas): Likewise.
5636 * calls.c (compute_argument_addresses): Likewise.
5637 * explow.c (set_mem_attributes): Likewise.
5638 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
5639 (expand_assignment, store_constructor_field, store_field): Likewise.
5640 (expand_expr_unaligned): Likewise.
5641 * function.c (assign_stack_temp_for_type): Likewise.
5642 (put_reg_into_stack, gen_mem_addressof): Likewise.
5643 * ifcvt.c (noce_try_cmove_arith): Likewise.
5644 * reload1.c (reload, alter_reg): Likewise.
5645 * config/alpha/alpha.c (get_aligned_mem): Likewise.
5646 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
5647 (alpha_expand_unaligned_store): Likewise
5648 (alpha_expand_unaligned_load_words): Likewise.
5649 (alpha_expand_unaligned_store_words): Likewise.
5650 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
5651 (alpha_expand_epilogue): Likewise.
5652 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
5653 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
5654 * config/i386/i386.c (legitimize_pic_address): Likewise.
5655 * config/i960/i960.c (setup_incoming_varargs): Likewise.
5656 * config/ia64/ia64.c (spill_restore_mem): Likewise.
5657 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
5658 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
5659 * config/mips/mips.c (mips_va_arg): Likewise.
5660 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
5661 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
5662 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
5663 (setup_incoming_varargs, rs6000_va_arg): Likewise.
5664 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
5665 (rs6000_emit_epilogue): Likewise.
5666 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
5667 * config/sparc/sparc.c (sparc_va_arg): Likewise.
5668 * config/v850/v850.c (v850_va_arg): Likewise.
5670 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
5672 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
5673 when fallthru edge is present.
5674 (mege_blocks): Handle case where creation of jump insn
5677 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
5678 CLEANUP_POST_REGSTACK): New constants.
5679 * except.c (finish_eh_generation): Update call of cleanup_cfg,
5680 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
5681 * output.h (cleanup_cfg): Update prototype.
5682 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
5683 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
5684 cleanup_cfg call; kill missleading comment.
5685 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
5686 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
5687 parameter; control optimizations performed using it.
5688 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
5689 try_crossjump_bb): New functions.
5691 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
5693 * pa.c (pa_output_function_prologue): Delete prototype. Make function
5695 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
5696 pa_output_function_prologue.
5697 * pa-protos.h (pa_output_function_prologue): New prototype.
5699 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
5701 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
5702 and low to get correct sign extension in low+high test.
5704 2001-07-11 Janis Johnson <janis@us.ibm.com>
5706 * gcov.c (arcdata): Use gcov_type to fix branch percentage
5707 for large hit count.
5709 * profile.c (branch_prob): Fix .bbg info for computed gotos
5712 2001-07-11 Mark Mitchell <mark@codesourcery.com>
5714 * stmt.c (parse_output_constraint): New function, split out
5716 (expand_asm_operands): ... here. Use parse_output_constraint.
5717 * tree.h (parse_output_constraint): Declare it.
5719 2001-07-11 Richard Henderson <rth@redhat.com>
5721 * bitmap.c: Comment some functions; fiddle whitespace.
5722 (bitmap_free): Don't export.
5723 (bitmap_element_allocate): Use memset.
5724 * bitmap.h (bitmap_free): Don't declare.
5726 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
5728 * gcse.c, lcm.c, sched-deps.c:
5729 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
5731 * flow.c (flow_loops_find): Free dom if we found no loops, since
5732 we aren't going to save it.
5734 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
5737 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
5739 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
5741 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5743 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
5744 #ifndef DWARF2_DEBUGGING_INFO.
5746 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
5748 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
5750 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
5752 * config/mips/mips.c (gen_int_relational): Tell the caller not to
5753 reverse a branch if a NE comparison is implemented with GTU.
5755 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
5756 H.J. Lu <hjl@gnu.org>
5758 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
5760 (call_internal2): Likewise.
5761 (call_value_internal1): Likewise.
5762 (call_value_internal2): Likewise.
5763 (call_value_multiple_internal1): Likewise.
5764 (call_value_multiple_internal2): Likewise.
5766 2001-07-10 Kazu Hirata <kazu@hxi.com>
5768 * calls.c (emit_library_call_value_1): Fix a comment typo.
5769 * dwarf2out.c (mem_loc_descriptor): Likewise.
5770 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
5772 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
5774 * simplify-rtx.c (simplify_subreg): Fix typo in comment
5776 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5778 * recog.c (offsettable_address_p): Handle LO_SUM case.
5779 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
5780 instead of plus_constant.
5782 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5784 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
5785 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
5787 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5789 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
5790 adjust_address_nv instead of plus_constant.
5792 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
5794 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
5795 dwarf2out.o): Depend on debug.h, wrap long lines.
5796 * dbxout.c: Include debug.h.
5797 (dbx_debug_hooks): New.
5798 (dbxout_init): Make static, take just 2 args.
5799 (dbxout_finish): Make static.
5800 * dbxout.h (dbxout_init, dbxout_finish): Delete.
5801 * debug.c: New file.
5802 * debug.h: New file.
5803 * dwarf2out.c: Include debug.h.
5804 (dwarf2_debug_hooks): New.
5805 (dwarf2out_init): Make static.
5806 (dwarf2out_finish): Make static, take 2 args.
5807 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
5808 * dwarfout.c: Include debug.h.
5809 (dwarf_debug_hooks): New.
5810 (dwarfout_init): Make static.
5811 (dwarfout_finish): Make static, take 2 args.
5812 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
5813 * sdbout.c: Include debug.h.
5814 (sdb_debug_hooks): New.
5815 (sdbout_init): Make static, take 2 args.
5816 * sdbout.h (sdbout_init): Delete.
5817 * toplev.c: Include debug.h.
5819 (compile_file): Set deubg_hooks based on command line options.
5820 Use the hooks unconditionally rather than conditional compilation.
5822 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
5824 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
5825 first_insn_after_basic_block_note instead.
5827 * df.c (df_bb_refs_unlink): #if 0 out for now.
5829 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
5831 * ssa.h: Add prototype for ssa_const_prop
5832 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
5833 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
5834 (ssa_fast_dce): Remove unused variable
5836 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5838 * diagnostic.c (finish_diagnostic): Rename to
5839 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
5842 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
5844 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
5847 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
5848 (dump_file): Only pad the demangled name with spaces if the
5849 mangled name was padded with spaces.
5851 2001-07-10 Bernd Schmidt <bernds@redhat.com>
5853 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
5856 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5858 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
5859 extraction if no direct load if either EXPAND_CONST_ADDRESS or
5862 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
5863 whether can put offset inside LO_SUM to check mode alignment, not size.
5865 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5867 * doc/tm.texi (Misc): Fix thinko.
5869 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
5871 * regmove.c (replace_in_call_usage): Fix warnings.
5872 * sched-deps.c (add_dependence): Fix warnings.
5873 * simplify-rtx.c (simplify_subreg): Likewise.
5874 Return NULL_RTX instead of NULL.
5876 * reg-stack.c (emit_swap_insn): Eliminate warnings.
5877 (subst_asm_stack_regs): Likewise.
5879 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
5882 * dwarf2out.c (output_call_frame_info): Declare i as int.
5883 (build_abbrev_table): Declare n_alloc as int.
5884 (dwarf2out_finish): Initialize die.
5885 * except.c: Declare sjlj_funcdef_number as unsigned.
5886 (connect_post_landing_pads): Declare j as unsigned.
5887 (convert_to_eh_region_ranges): Initialize call_site.
5888 (output_function_exception_table): Initialize tt_format_size.
5889 * expr.c (move_by_pieces_1): Initialize to1.
5890 (store_constructor): Initialize minelt and maxelt.
5891 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
5892 * function.c (instantiate_decls): Avoid signed/unsigned warning.
5894 * c-decl.c (combine_parm_decls): Unused, remove.
5895 * c-tree.h: Remove prototype for combine_parm_decls.
5897 * reload.c (push_reload): Fix warning.
5898 (regno_clobbered_p): Likewise.
5899 * reload1.c (replace_pseudos_in_call_usage): Likewise.
5900 (reload_combine): Likewise.
5902 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
5903 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
5905 * bitmap.c (bitmap_operation): Change user.
5906 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
5908 2001-07-10 Eric Christopher <echristo@redhat.com>
5910 * config/mips/mips.c (override_options): Fix typo.
5912 2001-07-09 Stan Shebs <shebs@apple.com>
5914 * target.h (struct gcc_target): New fields init_builtins and
5916 * target-def.h (TARGET_INIT_BUILTINS): New macro.
5917 (TARGET_EXPAND_BUILTIN): New macro.
5918 (TARGET_INITIALIZER): Add them.
5919 * builtins.c: Include target.h.
5920 (expand_builtin): Use targetm.expand_builtin.
5921 (default_init_builtins): New function.
5922 (default_expand_builtin): New function.
5923 * expr.h (default_init_builtins): Declare.
5924 (default_expand_builtin): Declare.
5925 * c-common.c (c_common_nodes_and_builtins): Use
5926 targetm.init_builtins.
5927 * defaults.h (MD_INIT_BUILTINS): Remove.
5928 * Makefile.in (builtins.o): Depend on target.h.
5930 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
5931 (TARGET_EXPAND_BUILTIN): Define.
5932 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
5933 (MD_EXPAND_BUILTIN): Remove.
5935 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
5936 (TARGET_EXPAND_BUILTIN): Define.
5937 (c4x_init_builtins): Make endlink arg a local.
5938 (c4x_print_operand): Fix typos in adjust_address usages.
5939 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
5940 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
5941 (MD_EXPAND_BUILTIN): Remove.
5943 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
5944 (TARGET_EXPAND_BUILTIN): Define.
5945 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
5946 (ix86_init_builtins): Call new function only if TARGET_MMX.
5947 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
5948 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
5949 (MD_EXPAND_BUILTIN): Remove.
5951 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
5952 (TARGET_EXPAND_BUILTIN): Define.
5953 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
5954 (MD_EXPAND_BUILTIN): Remove.
5956 * doc/tm.texi: Document these changes.
5958 2001-07-09 Diego Novillo <dnovillo@redhat.com>
5960 * basic-block.h (tree_node): Forward declare if needed.
5961 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
5962 (BLOCK_HEAD_TREE): Define.
5963 (BLOCK_END_TREE): Define.
5964 (struct loops): Rename field 'tree' to 'tree_root'.
5965 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
5967 (flow_loops_tree_build): Rename reference to field 'tree' to
5969 (flow_loops_level_compute): Ditto.
5970 * predict.c (estimate_bb_frequencies): Ditto.
5971 * tree.h (struct tree_common): Add field 'aux'.
5973 2001-07-09 Stan Shebs <shebs@apple.com>
5975 * config/darwin.c (darwin_encode_section_info): Don't mark any
5976 DECL_EXTERNAL node as defined.
5978 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
5980 * pa.c (pa_init_machine_status, pa_mark_machine_status,
5981 pa_free_machine_status, hppa_init_pic_save): Delete.
5982 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
5983 (hppa_profile_hook): Use hppa_pic_save_rtx.
5984 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
5985 hppa_init_pic_save): Delete.
5986 (hppa_pic_save_rtx): Declare.
5987 * pa.md (call, call_value, sibcall, sibcall_value,
5988 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
5990 2001-07-09 Kazu Hirata <kazu@hxi.com>
5992 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
5993 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
5995 2001-07-09 Andreas Jaeger <aj@suse.de>
5997 * output.h: Add declaration of final_forward_branch_p.
5999 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
6001 * varray.c: Include errors.h for internal_error and trim_filename
6004 * Makefile.in (varray.o): Add errors.h.
6006 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
6008 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
6009 * optabs.c (have_add2_insn): Check whether the add insn chosen
6010 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
6011 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
6013 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
6015 * Makefile.in (OBJS): Add ssa-ccp.o
6016 (ssa-ccp.o): Add dependencies.
6017 * toplev.c (DFI_ssa_ccp): New dump file enum.
6018 (dump_file): Add entry for dumping after SSA CCP.
6019 (flag_ssa_ccp): New flag variable.
6020 (f_options): Add -fssa-ccp.
6021 (rest_of_compilation): Run SSA CCP if requested.
6022 * timevar.def (TV_SSA_CCP): New timevar.
6023 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
6024 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
6025 Fix minor typo in SSA DCE documentation.
6026 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
6027 Add documentation for new dump option. Renumber dump files
6030 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6032 * emit-rtl.c (gen_highpart_mode): New.
6033 * rtl.h (gen_highpart_mode): Declare.
6034 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
6035 operand can be VOIDmode constant.
6037 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
6039 * flow.c (redirect_edge_and_branch_force): New.
6040 (can_fallthru): Ensure that basic blocks are succeeding.
6041 (try_optimize_cfg): Do not delete basic block if it is the last one.
6043 * flow.c (try_redirect_by_replacing_jump): Do not remove
6044 jumps with side effects, unlink chain on fallthru edge;
6045 set block for new jump instruction; avoid basic block to
6046 over by line number note.
6048 * flow.c (try_simplify_condjump): Verify that the condjump
6049 is not always falling trought.
6052 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
6054 * flow.c (forwarder_block_p): Fix for fallthru blocks.
6055 (try_redirect_by_replacing_jump): Update properly the count
6056 and frequency information.
6058 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6060 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
6061 address that is a LO_SUM specially.
6062 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
6064 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
6066 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
6067 (operand_subword): Use them.
6068 (change_address_1): Renamed from change_address; new arg VALIDATE.
6069 * expr.h: Reflect above changes; change_address now macro.
6070 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
6072 * cselib.c (add_mem_for_addr): Likewise.
6073 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
6074 * regmove.c (try_apply_stack_adjustment): Likewise.
6075 * reload.c (push_reload, make_memloc): Likewise.
6076 * reload1.c (eliminate_regs): Likewise.
6077 * simplify-rtx.c (simplify_replace_rtx): Likewise.
6078 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
6080 * combine.c (make_extraction, simplify_shift_const): Likewise.
6081 (gen_lowpart_for_combine): Likewise.
6082 * cse.c (gen_lowpart_if_possible): Likewise.
6083 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
6084 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
6085 * optabs.c (gen_move_insn): Likewise.
6086 * reload1.c (alter_reg): Likewise.
6087 * simplify-rtx.c (simplify_subreg): Likewise.
6088 * stmt.c (expand_anon_union_decl): Likewise.
6089 * recog.c (validate_replace_rtx_1): Likewise.
6091 * Makefile.in (recog.o): Add $(EXPR_H).
6092 * explow.c (stabilize): Call replace_equiv_address.
6093 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
6094 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
6096 2001-07-03 Andrew Haley <aph@redhat.com>
6098 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
6099 the mode of the memory location.
6101 2001-07-09 Bo Thorsen <bo@suse.co.uk>
6103 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
6105 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
6107 * final.c (output_addr_const): Use target opening and
6108 closing parentheses.
6109 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
6110 defaults, add to TARGET_ASM_OUT.
6111 * target.h (struct gcc_target): Add open_paren and close_paren.
6112 * doc/md.texi: Update.
6113 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
6114 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
6115 TARGET_ASM_CLOSE_PAREN.
6116 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
6118 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
6120 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
6121 * config/a29k/a29k.h: Similarly.
6122 * config/alpha/alpha.h: Similarly.
6123 * config/arc/arc.h: Similarly.
6124 * config/arm/aof.h: Similarly.
6125 * config/arm/aout.h: Similarly.
6126 * config/avr/avr.h: Similarly.
6127 * config/c4x/c4x.h: Similarly.
6128 * config/clipper/clipper.h: Similarly.
6129 * config/convex/convex.h: Similarly.
6130 * config/d30v/d30v.h: Similarly.
6131 * config/dsp16xx/dsp16xx.h: Similarly.
6132 * config/elxsi/elxsi.h: Similarly.
6133 * config/fr30/fr30.h: Similarly.
6134 * config/h8300/h8300.h: Similarly.
6135 * config/i370/i370.h: Similarly.
6136 * config/i386/i386.h: Similarly.
6137 * config/i860/i860.h: Similarly.
6138 * config/i960/i960.h: Similarly.
6139 * config/ia64/ia64.h: Similarly.
6140 * config/m32r/m32r.h: Similarly.
6141 * config/m68hc11/m68hc11.h: Similarly.
6142 * config/m68k/m68k.h: Similarly.
6143 * config/m88k/m88k.h: Similarly.
6144 * config/mcore/mcore.h: Similarly.
6145 * config/mips/mips.h: Similarly.
6146 * config/mn10200/mn10200.h: Similarly.
6147 * config/mn10300/mn10300.h: Similarly.
6148 * config/ns32k/ns32k.h: Similarly.
6149 * config/pa/pa.h: Similarly.
6150 * config/pdp11/pdp11.h: Similarly.
6151 * config/pj/pj.h: Similarly.
6152 * config/romp/romp.h: Similarly.
6153 * config/rs6000/rs6000.h: Similarly.
6154 * config/sh/sh.h: Similarly.
6155 * config/sparc/sparc.h: Similarly.
6156 * config/v850/v850.h: Similarly.
6157 * config/vax/vax.h: Similarly.
6158 * config/we32k/we32k.h: Similarly.
6160 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
6162 * doc/c-tree.texi: Document representation of attributes.
6164 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
6166 * doc/tm.texi: Update some places for the rename of target to
6169 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
6171 * target.h (struct gcc_target): Add insert_attributes.
6172 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
6173 (TARGET_INITIALIZER): Update.
6174 * tree.c, tree.h (default_insert_attributes): New function.
6175 Update comments on other default functions to refer to targetm,
6177 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
6178 TARGET_INSERT_ATTRIBUTES.
6179 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
6180 * c-common.c (decl_attributes): Use targetm.insert_attributes.
6181 Don't use PRAGMA_INSERT_ATTRIBUTES.
6182 * Makefile.in (c-common.o): Depend on $(TARGET_H).
6183 * c-decl.c (start_decl, start_function): Don't call
6184 SET_DEFAULT_DECL_ATTRIBUTES.
6185 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
6186 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
6188 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
6189 (c4x_check_attribute): Avoid modifying attribute list itself.
6190 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
6192 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
6193 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
6195 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
6196 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
6198 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
6199 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
6201 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
6202 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
6203 Adjust parameters. Make static.
6205 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
6207 * c-common.c (decl_attributes): Only take a single attributes
6209 * c-common.h (decl_attributes): Update prototype.
6210 * c-decl.c (start_decl, start_function): Only take a single
6211 attributes parameter. Update calls to decl_attributes.
6212 (finish_struct, finish_enum): Update calls to decl_attributes.
6213 (push_parm_decl): Expect unified list of attributes. Update call
6215 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
6216 notype_nested_function, component_declarator,
6217 component_notype_declarator, label): Update calls to
6219 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
6220 lists that are passed to push_parm_decl.
6221 * c-tree.h (start_function, start_decl): Update prototypes.
6222 * config/sh/sh-protos.h, config/sh/sh.c
6223 (sh_pragma_insert_attributes): Only take a single attributes
6225 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
6226 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
6227 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
6228 build_module_descriptor, generate_static_references,
6229 generate_strings, build_selector_translation_table,
6230 generate_descriptor_table, generate_protocols,
6231 generate_ivars_list, generate_dispatch_table,
6232 generate_protocol_list, generate_category,
6233 generate_shared_structures, really_start_method, add_objc_decls,
6234 generate_classref_translation_entry): Update calls to start_decl
6236 (build_tmp_function_decl, start_method_def): Unify attribute lists
6237 that are passed to push_parm_decl.
6239 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
6241 * final.c (no_asm_to_stream): New.
6242 (final_scan_insn): Use target structures for prologue ends
6243 and epilogue starts.
6244 * output.h (no_asm_to_stream): New.
6245 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
6246 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
6247 (TARGET_ASM_OUT): Update.
6248 * target.h (struct gcc_target): New members function_end_prologue
6249 and function_begin_epilogue.
6250 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
6251 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
6252 * config/alpha/alpha.c (output_end_prologue): Rename to
6253 alpha_output_function_end_prologue. Use in target struct
6255 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
6256 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
6257 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
6258 ia64_output_function_end_prologue. Use in target struct
6260 (ia64_function_prologue, ia64_funciton_epilogue): Rename
6261 mistyped prototypes.
6262 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
6263 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
6265 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
6266 an use in target struct, make static.
6267 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
6270 2001-07-08 Richard Henderson <rth@redhat.com>
6272 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
6274 2001-07-08 Richard Henderson <rth@redhat.com>
6276 * config/i386/i386.md: Remove constraints strings from define_split
6277 and define_peephole2 patterns.
6278 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
6279 (eh_return): Use them.
6281 2001-07-08 Richard Henderson <rth@redhat.com>
6283 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
6284 Document MD_FALLBACK_FRAME_STATE_FOR.
6286 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6288 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
6289 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
6291 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
6293 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
6295 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
6296 of the label inside NAME as opposed to just the end of NAME.
6298 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
6300 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
6301 * config/alpha/alpha.c (alpha_init_machine_status,
6302 alpha_mark_machine_status, alpha_free_machine_status): Delete.
6303 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
6304 (vms_valid_decl_attribute_p): Make static, conditionally compile.
6305 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
6307 2001-07-06 Stan Shebs <shebs@apple.com>
6309 * target.h (targetm): Rename global from "target", so as not to
6310 conflict with local variables.
6312 * c-typeck.c: Ditto.
6316 * cp/decl2.c: Ditto.
6317 * cp/typeck.c: Ditto.
6318 * 1750a/1750a.c: Ditto.
6319 * a29k/a29k.c: Ditto.
6323 * clipper/clipper.c: Ditto.
6324 * convex/convex.c: Ditto.
6325 * d30v/d30v.c: Ditto.
6326 * dsp16xx/dsp16xx.c: Ditto.
6327 * elxsi/elxsi.c: Ditto.
6328 * fr30/fr30.c: Ditto.
6329 * h8300/h8300.c: Ditto.
6330 * i370/i370.c: Ditto.
6331 * i386/i386.c: Ditto.
6332 * i860/i860.c: Ditto.
6333 * i960/i960.c: Ditto.
6334 * ia64/ia64.c: Ditto.
6335 * m32r/m32r.c: Ditto.
6336 * m68hc11/m68hc11.c: Ditto.
6337 * m68k/m68k.c: Ditto.
6338 * m88k/m88k.c: Ditto.
6339 * mips/mips.c: Ditto.
6340 * ns32k/ns32k.c: Ditto.
6342 * pdp11/pdp11.c: Ditto.
6343 * romp/romp.c: Ditto.
6344 * rs6000/rs6000.c: Ditto.
6346 * sparc/sparc.c: Ditto.
6348 * we32k/we32k.c: Ditto.
6349 * doc/tm.texi: Update the manual to match.
6351 2001-07-06 Richard Henderson <rth@redhat.com>
6353 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
6354 DWARF2_UNWIND_INFO not just whether it is defined.
6356 2001-07-06 Diego Novillo <dnovillo@redhat.com>
6358 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
6359 call to simplify_binary_operation returns a new pattern.
6361 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6363 * glimits.h (__SHRT_MAX__): New.
6364 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
6365 (SHRT_MAX): Define in terms of __SHRT_MAX__.
6367 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
6369 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
6372 2001-07-06 Richard Henderson <rth@redhat.com>
6374 * bitmap.c (bitmap_release_memory): Move adjacent to the
6375 allocation functions.
6376 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
6377 the implementation. Binary search for the set bit.
6378 (bitmap_union_of_diff): Allocate the temporary on the stack
6379 instead of using xmalloc.
6381 2001-07-06 Richard Henderson <rth@redhat.com>
6383 * genrecog.c (validate_pattern): Warn for constraints in
6384 define_{expand,split,peephole2}. Remove strict_low_part
6385 before looking up match_dup.
6387 2001-07-06 DJ Delorie <dj@redhat.com>
6389 * doc/gcc.texi (Makefile): Rename to be a more general purpose
6390 chapter about various build hints and history. Add section
6391 talking about the various types of native and cross builds.
6393 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
6395 * Makefile.in (final.o): Depend on target.h.
6396 * final.c: Include target.h.
6397 (default_function_pro_epilogue): New.
6398 (final_start_function): Use target structure for function prologues.
6399 (final_end_function): Use target structure for function epilogues.
6400 * fold-const.c (real_hex_to_f): Constify s and p.
6401 * output.h (default_function_pro_epilogue): New.
6402 * real.h (real_hex_to_f): Update prototype.
6403 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
6404 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
6405 (TARGET_INITIALIZER): Update.
6406 * target.h (gcc_target): Add struct asm_out.
6407 * doc/tm.texi: Update.
6410 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
6411 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
6412 in cpu/cpu.c, or rename old functions consistently. Take
6413 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
6414 redundant macros and prototypes. Make new functions static.
6416 * 1750a/1750a.c: Similarly.
6417 * 1750a/1750a.h: Similarly.
6418 * a29k/a29k-protos.h: Similarly.
6419 * a29k/a29k.c: Similarly.
6420 * a29k/a29k.h: Similarly.
6421 * arc/arc-protos.h: Similarly.
6422 * arc/arc.c: Similarly.
6423 * arc/arc.h: Similarly.
6424 * arm/arm-protos.h: Similarly.
6425 * arm/arm.c: Similarly.
6426 * arm/arm.h: Similarly.
6427 * avr/avr-protos.h: Similarly.
6428 * avr/avr.c: Similarly.
6429 * avr/avr.h: Similarly.
6430 * clipper/clipper-protos.h: Similarly.
6431 * clipper/clipper.c: Similarly.
6432 * clipper/clipper.h: Similarly.
6433 * convex/convex.c: Similarly.
6434 * convex/convex.h: Similarly.
6435 * d30v/d30v-protos.h: Similarly.
6436 * d30v/d30v.c: Similarly.
6437 * d30v/d30v.h: Similarly.
6438 * d30v/d30v.md: Similarly.
6439 * dsp16xx/dsp16xx-protos.h: Similarly.
6440 * dsp16xx/dsp16xx.c: Similarly.
6441 * dsp16xx/dsp16xx.h: Similarly.
6442 * elxsi/elxsi.c: Similarly.
6443 * elxsi/elxsi.h: Similarly.
6444 * fr30/fr30.c: Similarly.
6445 * fr30/fr30.md: Similarly.
6446 * h8300/h8300-protos.h: Similarly.
6447 * h8300/h8300.c: Similarly.
6448 * h8300/h8300.h: Similarly.
6449 * i370/i370-protos.h: Similarly.
6450 * i370/i370.c: Similarly.
6451 * i370/i370.h: Similarly.
6452 * i386/i386.c: Similarly.
6453 * i386/osf1elf.h: Similarly.
6454 * i386/osfrose.h: Similarly.
6455 * i860/i860-protos.h: Similarly.
6456 * i860/i860.c: Similarly.
6457 * i860/i860.h: Similarly.
6458 * i960/i960-protos.h: Similarly.
6459 * i960/i960.c: Similarly.
6460 * i960/i960.h: Similarly.
6461 * ia64/ia64-protos.h: Similarly.
6462 * ia64/ia64.c: Similarly.
6463 * ia64/ia64.h: Similarly.
6464 * m32r/m32r-protos.h: Similarly.
6465 * m32r/m32r.c: Similarly.
6466 * m32r/m32r.h: Similarly.
6467 * m68hc11/m68hc11-protos.h: Similarly.
6468 * m68hc11/m68hc11.c: Similarly.
6469 * m68hc11/m68hc11.h: Similarly.
6470 * m68k/crds.h: Similarly.
6471 * m68k/dpx2.h: Similarly.
6472 * m68k/m68k-protos.h: Similarly.
6473 * m68k/m68k.c: Similarly.
6474 * m68k/m68k.h: Similarly.
6475 * m68k/news.h: Similarly.
6476 * m88k/m88k-protos.h: Similarly.
6477 * m88k/m88k.c: Similarly.
6478 * m88k/m88k.h: Similarly.
6479 * mips/mips-protos.h: Similarly.
6480 * mips/mips.c: Similarly.
6481 * mips/mips.h: Similarly.
6482 * ns32k/merlin.h: Similarly.
6483 * ns32k/ns32k.c: Similarly.
6484 * ns32k/ns32k.h: Similarly.
6485 * ns32k/tek6000.h: Similarly.
6486 * pa/pa-protos.h: Similarly.
6487 * pa/pa.c: Similarly.
6488 * pa/pa.h: Similarly.
6489 * pdp11/2bsd.h: Similarly.
6490 * pdp11/pdp11-protos.h: Similarly.
6491 * pdp11/pdp11.c: Similarly.
6492 * pdp11/pdp11.h: Similarly.
6493 * romp/romp-protos.h: Similarly.
6494 * romp/romp.c: Similarly.
6495 * romp/romp.h: Similarly.
6496 * rs6000/rs6000-protos.h: Similarly.
6497 * rs6000/rs6000.c: Similarly.
6498 * rs6000/rs6000.h: Similarly.
6499 * rs6000/sysv4.h: Similarly.
6500 * sh/sh-protos.h: Similarly.
6501 * sh/sh.c: Similarly.
6502 * sh/sh.h: Similarly.
6503 * sparc/sparc-protos.h: Similarly.
6504 * sparc/sparc.c: Similarly.
6505 * sparc/sparc.h: Similarly.
6506 * vax/vax.c: Similarly.
6507 * vax/vax.h: Similarly.
6508 * vax/vms.h: Similarly.
6509 * we32k/we32k.c: Similarly.
6510 * we32k/we32k.h: Similarly.
6512 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
6514 * basic-block.h (first_insn_after_basic_block_note): Declare.
6515 * flow.c (first_insn_after_basic_block_note): Define. Moved
6517 * ssa.c (first_insn_after_basic_block_note): Remove.
6518 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
6520 (ssa_eliminate_dead_code): Properly update the CFG and PHI
6521 nodes when we find a dead conditional branch. Insert BARRIERs
6522 after any blocks with no successors, but which do not have
6525 2001-07-06 Zack Weinberg <zackw@stanford.edu>
6527 * varray.c (varray_check_failed): Use internal_error.
6529 2001-07-05 Andrew Haley <aph@redhat.com>
6531 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
6532 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
6533 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
6535 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
6537 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
6538 reference if the target constant is also a SYMBOL_REF.
6540 2001-07-05 Eric Christopher <echristo@redhat.com>
6542 * config/mips/mips.h (MASK_MIPS3900): Remove.
6543 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
6544 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
6545 (TARGET_MIPS3900): Change to use mips_arch.
6546 (TARGET_MIPS4000): New.
6547 (TARGET_MIPS4100): New.
6548 (TARGET_MIPS4300): New.
6549 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
6550 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
6552 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
6553 (ISA_HAS_BRANCHLIKELY): To here.
6554 (CC1_CPU_SPEC): New.
6555 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
6556 (mips_arch_string): Declare.
6557 (mips_arch): Declare.
6558 (TARGET_OPTIONS): Add -march and -mtune.
6560 * config/mips/mips.c (mips_arch_string): New.
6562 (override_options): Handle -march for codegen and -mtune
6563 for scheduling. Use mips_arch. Move tx39 target default here.
6564 (mips_parse_cpu): Move error message to override_options.
6566 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
6568 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
6570 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
6571 (MIPS Options): Ditto. Change mcpu entry to historical text.
6573 2001-07-05 H.J. Lu (hjl@gnu.org)
6575 * config/mips/mips.c (mips_parse_cpu): New function to parse
6578 2001-07-05 Jim Wilson <wilson@redhat.com>
6580 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
6581 * config/ia64/t-ia64: Likewise.
6582 (LIB1ASMFUNCS): Update comment.
6584 2001-07-05 David Edelsohn <edelsohn@gnu.org>
6586 * doc/install.texi (Install GCC: Binaries): Fix typo.
6588 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6590 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
6591 reference using the stack pointer, adjust it since we push Y
6593 ("*ashrsi3"): Likewise.
6594 ("*lshrsi3"): Likewise.
6596 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6598 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
6599 when -fomit-frame-pointer is used.
6601 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
6603 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
6604 (try_redirect_by_replacing_jump): Reverse updating properly the
6605 count and frequency information. Reverse removing cc0 setter.
6606 (forwarder_block_p): Reverse fixing for fallthru blocks.
6608 2001-07-05 DJ Delorie <dj@redhat.com>
6610 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
6611 (translate_options): If the above is defined, use it to map
6612 given options to new options.
6613 * doc/tm.texi: Document it.
6615 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
6616 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6618 * doc/invoke.texi (Optimize Options): Document that -fgcse may
6619 cause programs using computed gotos to run more slowly.
6621 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6623 * doc/install.texi (Specific): Markup, spelling and typo fixes.
6625 Consistently require binutils 2.11.2, not prereleases.
6626 (Specific, decstation-*): Canonicalize as mips-dec-*.
6627 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
6629 (Specific, m68k-altos): Removed reference to README.altos, deleted.
6630 (Specific, mips-*): Reword MIPS C compiler requirements.
6631 (Specific, powerpc*-*-*): New, mention --with-cpu once.
6632 (Specific, sunv5): Removed, obsolete.
6634 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
6636 * dwarf2out.c (output_loc_list): Use an all ones mask for
6637 .text asm output and don't rely on long long
6638 literals. Reformat some long lines.
6640 2001-07-05 Andreas Jaeger <aj@suse.de>
6642 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
6645 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
6647 * dwarf2out.c (dwarf2out_define): Update comment.
6648 (dwarf2out_undef): Ditto.
6649 (dwarf2out_start_source_file): Ditto.
6650 (dwarf2out_end_source_file): Ditto.
6651 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
6652 since we never call the start/end debug hook for the primary file.
6654 2001-07-04 Kazu Hirata <kazu@hxi.com>
6656 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
6659 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
6661 * cppinit.c (remove_dup_dirs): Inform if a system include
6662 directory is being reordered.
6663 * doc/invoke.texi (Directory Options): GCC warns if you hide a
6665 * doc/cpp.texi (Search Paths): Likewise.
6666 * doc/gcc.texi (Interoperation): Remove information about
6669 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
6671 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
6672 (VARRAY_TOP_CHAR_PTR): Likewise.
6674 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6676 * gcc.c (process_command): Don't assign elements of a const char*.
6678 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6680 * emit-rtl.c (change_address): Don't abort if invalid address while
6681 reload is in progress.
6683 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
6685 * c-lex.c (cb_file_change): Pass line number to
6686 debug_start_source_file.
6687 (cb_undefine): Pass correct line number to debug_undef.
6689 * toplev.c (debug_start_source_file): Add line number to
6690 parameters. Pass it along to dwarf2out_start_source_file.
6691 (decode_g_option): Stop resetting debug level back to normal when
6692 we change debug formats, unless the current level is
6693 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
6696 * toplev.h (debug_start_source_file): Add line number to
6699 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
6702 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
6704 Output debug_macinfo data for starting file if requested.
6705 (dwarf2out_end_source_file): Output debug_macinfo data for ending
6707 (dwarf2out_define): Output debug_macinfo data for defining a macro
6709 (dwarf2out_undef): Output debug_macinfo data for undefining a
6711 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
6712 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
6713 (macinfo_section_label): New. DWARF2 macro info section label.
6714 (dwarf2out_init): If we want macro info, output the start label
6716 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
6717 attribute to the compilation unit die pointing to the macro info.
6719 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
6721 * dwarf2out.c (new_loc_list): Move to inside #ifdef
6722 DWARF2_DEBUGGING_INFO.
6723 (add_loc_descr_to_loc_list): Ditto.
6724 (output_loc_list): Ditto.
6725 Also, fix thinko in curr not being initialized.
6726 (gen_internal_sym): Ditto.
6728 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6730 * emit-rtl.c (replace_equiv_address): New function.
6731 * expr.h (replace_equiv_address): New declaration.
6732 * explow.c (validize_mem): Call it instead of change_address and
6733 also call if -fforce-addr and address is constant.
6734 * expr.c: Replace more calls to change_address with adjust_address
6735 and/or replace_equiv_address or to validize_mem.
6736 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
6737 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
6738 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
6739 * config/i370/i370.md, config/i860/i860.md: Likewise.
6740 * config/i960/i960.md, config/mips/mips.c: Likewise.
6741 * config/mips/mips.md, config/pa/pa.md: Likewise.
6742 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
6743 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
6745 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6747 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
6749 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
6752 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
6754 * doc/include: New directory.
6755 * doc/fdl.texi: Move to doc/include/fdl.texi.
6756 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
6757 * doc/include/funding.texi, doc/include/gpl.texi: New files.
6758 * doc/gcc.texi: Use funding.texi and gpl.texi.
6759 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
6760 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
6761 Update dependencies and use -I $(docdir)/include.
6763 2001-07-04 Anthony Green <green@redhat.com>
6765 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
6767 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6769 * doc/install.texi (sparc64-*-*): Remove garbage.
6771 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
6773 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
6774 Fix typo in last change to use adjust_address.
6776 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6778 * doc/install.texi (Specific): Update information for *-*-solaris*.
6780 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6782 * explow.c (plus_constant_wide): Reinitialize Y for restart.
6784 2001-07-03 Stan Shebs <shebs@apple.com>
6786 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
6787 case for flag_no_mach_text_sections.
6788 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
6789 * config/darwin.c (flag_no_mach_text_sections): Remove.
6790 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
6792 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6794 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
6795 and avoid checking for constant as first operand.
6796 * recog.c (find_constant_term_loc): No longer static.
6797 (adj_offettable_operand): Delete.
6798 * rtl.h (adj_offsettable_operand): Delete declaration.
6799 (find_constant_term): Add declaration.
6800 * caller-save.c: Replace calls to adj_offsettable_operand with calls
6802 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
6803 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
6804 * config/i386/i386.c, config/i386/i386.md: Likewise.
6805 * config/i860/i860.c, config/i960/i960.c: Likewise.
6806 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
6807 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
6808 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
6809 * config/mips/mips.c, config/mips/mips.md: Likewise.
6810 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
6811 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
6812 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
6813 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
6814 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
6815 * config/ns32k/ns32k.md: Likewise.
6817 2001-07-03 Zack Weinberg <zackw@stanford.edu>
6819 * rtl.c (copy_rtx): Handle 'T' format letter.
6820 * gensupport.c (collect_insn_data): Likewise.
6821 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
6823 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
6825 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
6826 -B option. Use 'dir' not 'foo' as example directory name.
6828 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6830 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
6831 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
6833 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
6835 * doc/cppinternals.texi: Improve formatting and logical markup.
6837 2001-07-03 Andreas Jaeger <aj@suse.de>
6839 * Makefile.in (insn-recog.o): Add dependency on reload.h.
6841 * genrecog.c (write_header): Include reload.h for prototypes in
6844 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
6847 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
6848 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
6849 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
6850 i386_pe_valid_type_attribute_p): Add.
6851 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
6852 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
6854 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6856 * explow.c (plus_constant_wide, case LO_SUM): New case.
6857 (plus_constant_for_output_wide): Delete.
6858 * rtl.h (plus_constant_for_output): Delete.
6859 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
6860 instead of plus_constant_for_output.
6861 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
6862 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
6863 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
6864 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
6865 * config/sparc/sparc.md: Likewise.
6866 Convert some change_address calls to adjust_address.
6868 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
6870 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
6871 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
6872 documentation of -std and -Wwrite-strings.
6874 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
6876 * cse.c (canon_hash): Don't register registers in very small
6877 register classes, as extending their lifetime might cause
6880 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6882 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
6884 * flow.c (forwarder_block_p): Fix for fallthru blocks.
6885 (try_redirect_by_replacing_jump): Update properly the count
6886 and frequency information.
6888 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
6890 * toplev.c (dump_file_index): Move SSA dumps just after first
6892 (dump_file): Corresponding changes.
6893 (rest_of_compilation): Move SSA path to just after the first
6895 * doc/gcc.texi (Passes): Update due to movement of SSA path.
6896 * doc/invoke.texi: Update dump file #s as they were completely
6897 out of date with reality.
6899 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
6901 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
6903 * expr.c (emit_move_insn_1): Deal with non-default
6906 * expr.c (emit_single_push_insn): Fix warning.
6908 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6910 * expr.c (emit_move_insn_1): Avoid modifying
6911 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
6913 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6915 * emit-rtl.c (adjust_address): New function.
6916 * expr.h (adjust_address): Add declaration.
6917 * builtins.c: Replace some calls to change_address with calls to it
6919 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
6920 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
6921 * config/arm/arm.c, config/convex/convex.c: Likewise.
6922 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
6923 * config/i386/i386.c, config/i386/i386.md: Likewise.
6924 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
6925 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
6926 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
6927 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
6928 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
6930 2001-07-02 Jim Wilson <wilson@redhat.com>
6932 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
6934 2001-07-02 Steve Ellcey <sje@cup.hp.com>
6936 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
6937 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
6939 2001-07-02 Zack Weinberg <zackw@stanford.edu>
6941 * cppinit.c (lang_defaults): New table.
6942 (set_lang): Just read from lang_defaults into the live options
6945 2001-07-02 Zack Weinberg <zackw@stanford.edu>
6947 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
6948 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
6949 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
6951 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6953 * doc/install.texi: Various spelling and markup fixes.
6954 (Installing GCC): Component specific installation instructions are
6957 Warn about removing old install dir in the presence of shared libs.
6958 (Configuration): Invoke with options target to match configure
6960 Consistently refer to gas, gld pathnames.
6961 Invert --enable-multilib documentation.
6962 Remove references to old compiler versions.
6964 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6966 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
6968 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6970 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
6972 (Specific, mips*-sgi-irix5): Note IDO download.
6973 Reworded MIPS C hints.
6974 Use GNU as instead of GAS.
6976 Removed SGI Freeware reference, IRIX 6 only.
6977 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
6978 Note N64 library requirement/workaround.
6980 Complete list of structure passing bug victims.
6982 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6984 * doc/install.texi: Remove CVS Id.
6986 2001-07-02 Andreas Jaeger <aj@suse.de>
6988 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
6989 (find_inherently_necessary): Remove unused variable.
6991 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
6993 * c-common.h (TDI_inlined): New ast dump phase.
6994 (dump_flag_name): New function.
6995 * c-dump.c (dump_files): Add inlined phase.
6996 (dump_flag_name): Define.
6997 * doc/invoke.texi (-fdump-ast-inlined): Document.
6999 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7001 * stor-layout.c (layout_decl): Revert change to handling of alignment
7004 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7006 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
7009 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
7011 * doc/tm.texi (FUNCTION_ARG): Document that the last call
7014 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
7016 * tlink.c (recompile_files): Remove COMPILER_PATH and
7017 LIBRARY_PATH from the environment.
7019 2001-07-01 Zack Weinberg <zackw@stanford.edu>
7021 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
7022 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
7024 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
7026 * c-parse.in (OBJC_STRING): Kill.
7027 (objc_string): Decompose to [objc_string] '@' STRING.
7028 (reswords): Take the leading '@' off all the Objective C keywords.
7029 (objc_rid_sans_at): Kill.
7030 (init_reswords): Don't initialize it.
7031 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
7032 (_yylex): Kill reconsider label. Look ahead one token after
7033 an '@'; if we get an identifier, check whether it's an
7034 Objective C @-keyword. If so, return the keyword. Otherwise,
7035 put back the token and return the '@' as a terminal.
7037 * cpplib.c (lex_macro_node): Remove unnecessary check for
7038 leading '@' on identifier. Clarify control flow and commentary.
7040 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7042 * cse.c (new_label_ref): Variable deleted.
7043 (insert): Remove set of new_label_ref.
7044 (check_for_label_ref): New function.
7045 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
7047 See ChangeLog.5 for earlier changes.