1 2001-08-29 Kazu Hirata <kazu@hxi.com>
3 * h8300.md (anonymous movhi pattern): Don't move (reg n) to
5 (anonymous movsi pattern): Likewise.
7 2001-08-29 Kazu Hirata <kazu@hxi.com>
9 * h8300.h (RETURN_ADDR_RTX): New.
11 2001-08-29 Kazu Hirata <kazu@hxi.com>
13 * h8300.md (movsi_h8300hs): Optimize loading of several
16 2001-08-29 Kazu Hirata <kazu@hxi.com>
18 * config/h8300/lib1funcs.asm: Fix comment typos.
20 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
23 Fix format specifier warnings.
25 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
26 inet_makeaddr, semctl): Prototype.
28 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
29 (save_restore_insns): Use base_offset, not gp_offset.
31 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
32 (ASM_OUTPUT_BYTE): Fix format specifier warning.
34 2001-08-29 Richard Henderson <rth@redhat.com>
36 * bb-reorder.c (function_tail_eff_head): New.
37 (record_effective_endpoints): Set it.
38 (fixup_reorder_chain): Use it.
40 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
42 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
44 2001-08-28 Dale Johannesen <dalej@apple.com>
46 * config/darwin.c (machopic_function_base_name): Add const
47 qualifier to a string.
48 (darwin_encode_section_info): Ditto.
50 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
52 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
55 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
57 * df.h (struct df): Add rts_order variable.
59 * df.c (df_visit_next_rts): New function.
60 (df_visit_next): Renamed to df_visit_next_rc
61 (df_analyse_1): Allocate/compute/free rts_order as well.
62 (df_rd_global_compute): Use df_visit_next_rc instead of
64 (df_ru_global_compute): Use df_visit_next_rts instead of
67 * flow.c (flow_reverse_top_sort_order_compute): New function.
69 * basic-block.h: Add prototype.
71 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
73 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
74 blocks, the BB_REACHABLE is now set, rather than aux being
75 non-NULL. Update the test to reflect this.
77 2001-08-28 Eric Christopher <echristo@redhat.com>
79 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
80 config/mips/crti.asm: Ditto.
82 2001-08-28 Eric Christopher <echristo@redhat.com>
83 Richard Henderson <rth@redhat.com>
85 * c-pragma.h (add_weak): Move prototype from here...
86 * output.h (add_weak): ... to here.
87 * varasm.c (add_weak): Fix typo.
88 * config/mips/crti.asm: New file.
89 * config/mips/crtn.asm: Ditto.
90 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
91 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
92 (INVOKE__main): Ditto.
93 (INIT_SECTION_ASM_OP): New.
94 (FINI_SECTION_ASM_OP): Ditto.
95 (STARTFILE_SPEC): Add crti.
96 (ENDFILE_SPEC): Add crtn.
97 * config/mips/elf64.h: Same.
98 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
100 * config/mips/vxworks.h: Ditto.
101 * config/mips/t-elf: Support crti and crtn.
103 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
105 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
108 2001-08-28 Richard Henderson <rth@redhat.com>
110 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
111 (one_cmplbi2 splitter): Remove redundant test.
113 2001-08-28 Dale Johannesen <dalej@apple.com>
115 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
117 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
119 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
121 2001-08-28 Stan Shebs <shebs@apple.com>
123 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
124 (UNALIGNED_SHORT_ASM_OP): Define.
125 (UNALIGNED_INT_ASM_OP): Define.
127 2001-08-28 Will Cohen <wcohen@redhat.com>
129 * config/rs6000/rs6000.md (store_multiple): Correct RTL
130 generation for first set.
132 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
134 * flow.c (redirect_edge_succ_nodup): Return new edge.
135 (try_simplify_condjump): Use new edge.
136 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
138 * cse.c (cse_basic_block): Skip note instructions.
140 2001-08-27 Richard Henderson <rth@redhat.com>
142 * combine.c (combine_simplify_rtx): Don't reverse condition
143 if there is no reverse for the condition.
144 (simplify_comparison): Don't simplify subregs from INT to FP.
146 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
147 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
148 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
149 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
150 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
151 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
153 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
155 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
156 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
158 (adddi_dilshr32, adddi_dishl32): Only data register can be
159 source for mem destination.
161 * expmed.c (store_bit_field): Ignore adjustment to bitpos
162 and use bitnum to decide about register move.
164 2001-08-27 Richard Henderson <rth@redhat.com>
166 * genattr.c (main): Emit state_t even when not doing scheduling.
168 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
169 Richard Henderson <rth@redhat.com>
171 * gcse.c (reg_first_set, reg_last_set): Replace with ...
172 (reg_avail_info, current_bb): ... these.
173 (oprs_unchanged_p, record_last_reg_set_info): Use them.
174 (compute_hash_table): Likewise.
176 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
178 * flow.c (verify_flow_info): Use checksums to verify edges.
180 2001-08-27 Richard Henderson <rth@redhat.com>
182 * genautomata.c (expand_automata): Always create a description.
184 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
186 * optabs.c (expand_binop): Correctly handle the carry in multiword
187 add/subtract operations.
189 2001-08-27 Fred Fish <fnf@be.com>
191 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
194 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
196 * reload.c (find_reloads_toplev): Back out this change:
198 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
200 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
201 mem if the address is a mode_dependent_address_p.
203 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
205 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
206 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
207 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
210 * genattr.c (main): New variable num_insn_reservations. Increase
211 it if there is DEFINE_INSN_RESERVATION. Output automaton based
212 pipeline hazard recognizer interface.
214 * genattrtab.h: New file.
216 * genattrtab.c: Include genattrtab.h.
217 (attr_printf, check_attr_test, make_internal_attr,
218 make_numeric_value): Move protypes into genattrtab.h. Define them
220 (num_dfa_decls): New global variable.
221 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
222 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
223 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
224 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
226 * genautomata.c: New file.
228 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
230 * sched-int.h: (curr_state): Add the external definition for
231 automaton pipeline interface.
232 (haifa_insn_data): Add comments for members blockage and units.
234 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
235 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
236 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
237 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
238 TARGET_SCHED_DFA_POST_CYCLE_INSN,
239 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
240 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
242 (TARGET_SCHED): Use the new macros.
244 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
245 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
246 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
247 dfa_bubble): New members in gcc_target.sched.
249 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
250 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
251 (insn_queue): Redefine it as pointer to array.
252 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
254 (max_insn_queue_index_macro_value): New variable.
255 (curr_state, dfa_state_size, ready_try): New varaibles for
257 (ready_element, ready_remove, max_issue): New function prototypes
258 for automaton interface.
259 (choose_ready): New function prototype.
260 (insn_unit, blockage_range): Add comments.
261 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
262 FUNCTION_UNITS_SIZE == 0.
263 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
264 actual_hazard, potential_hazard): Add comments.
265 (insn_cost): Use cost -1 as undefined value. Remove
266 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
268 (ready_element, ready_remove): New functions for automaton
270 (schedule_insn): Add new code for automaton pipeline interface.
271 (queue_to_ready): Add new code for automaton pipeline interface.
272 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
273 (debug_ready_list): Print newline when the queue is empty.
274 (max_issue): New function for automaton pipeline interface.
275 (choose_ready): New function.
276 (schedule_block): Add new code for automaton pipeline interface.
277 Print ready list before scheduling each insn.
278 (sched_init): Add new code for automaton pipeline interface.
279 Initiate insn cost by -1.
280 (sched_finish): Free the current automaton state and finalize
281 automaton pipeline interface.
283 * sched-rgn.c: Include target.h.
284 (init_ready_list, new_ready, debug_dependencies): Add new code for
285 automaton pipeline interface.
287 * sched-vis.c: Include target.h.
288 (get_visual_tbl_length): Add code for automaton interface.
289 (target_units, print_block_visualization): Add comments.
291 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
292 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
293 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
294 (getruntime.o, genautomata.o): New entries.
295 (genattrtab.o): Add new dependency file genattrtab.h.
296 (genattrtab): Add new dependencies. Link it with `libm.a'.
297 (getruntime.o, hashtab.o): New entries for canadian cross.
299 * doc/md.texi: Description of automaton based model.
301 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
303 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
304 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
305 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
306 TARGET_SCHED_DFA_POST_CYCLE_INSN,
307 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
308 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
309 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
311 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
312 MAX_DFA_ISSUE_RATE): New macro descriptions.
314 * doc/contrib.texi: Add dfa based scheduler contribution.
316 * doc/gcc.texi: Add more information about genattrtab.
318 2001-08-27 Diego Novillo <dnovillo@redhat.com>
320 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
323 2001-08-27 Richard Henderson <rth@redhat.com>
325 * function.c (expand_function_end): Don't init arg_pointer_save_area.
326 (get_arg_pointer_save_area): New. Create an init it here.
327 (fix_lexical_addr): Use it.
328 * function.h: Declare it.
329 * builtins.c (expand_builtin_setjmp_receiver): Use it.
330 * stmt.c (expand_nl_goto_receiver): Use it.
332 2001-08-27 Richard Henderson <rth@redhat.com>
334 * final.c (final_scan_insn): Don't enter APP_ON mode for
337 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
338 alignment for assemble_integer for DW_EH_PE_aligned.
339 * except.c (output_function_exception_table): Likewise.
341 2001-08-26 Andreas Jaeger <aj@suse.de>
343 * c-tree.h: Add prototyp for c_sizeof_nowarn.
345 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
347 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
349 2001-08-27 Alan Modra <amodra@bigpond.net.au>
351 * config/rs6000/rs6000.c (mask_operand): Rewrite without
353 (mask64_operand): Likewise.
354 (rldic_operand): Delete.
355 (includes_lshift64_p): Delete.
356 (includes_rldic_lshift_p): New function.
357 (includes_rldicr_lshift_p): New function.
358 (print_operand): Don't call rldic_operand in case 'W'.
359 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
360 (includes_lshift64_p): Remove.
361 (includes_rldic_lshift_p): Declare.
362 (includes_rldicr_lshift_p): Declare.
363 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
364 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
365 Replace match_operand rldic_operand predicate with
366 const_int_operand. Replace includes_lshift64_p condition with
367 includes_rldic_lshift_p.
368 <ashldi3_internal 64 bit rldicr patterns>: New.
370 2001-08-27 Andreas Jaeger <aj@suse.de>
372 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
373 * errors.c: Likewise.
375 * dwarf2asm.c: Likewise.
376 * doprint.c (checkit): Likewise.
377 * diagnostic.c: Likewise.
378 * collect2.c: Likewise.
380 * c-semantics.c (build_stmt): Likewise.
381 * c-format.c (status_warning): Likewise.
382 * c-errors.c (pedwarn_c99): Likewise.
383 * builtins.c (validate_arglist): Likewise.
384 * config/pj/pj.c (pj_printf): Likewise.
385 * fix-header.c: Likewise.
387 * gcov.c (fnotice): Likewise.
388 * gensupport.c (message_with_line): Likewise.
389 * mips-tfile.c: Likewise.
390 * protoize.c (notice): Likewise.
391 * read-rtl.c (fatal_with_file_and_line): Likewise.
392 * rtl-error.c: Likewise.
393 * tradcpp.c: Likewise.
395 * cp/tree.c (build_min_nt): Likewise.
396 (build_min): Likewise.
397 * cp/lex.c: Likewise.
398 * cp/errfn.c: Likewise.
399 * cp/rtti.c (create_pseudo_type_info): Likewise.
401 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
403 * df.c (df_uses_record): Return after recording all uses
406 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
408 * df.c (df_insn_modify): Realloc the INSN table here, if
409 necessary, here, too.
411 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
413 * config/mips/mips.c (mips_function_value): Handle complex return
416 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
418 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
420 * reload.c (make_memloc): Copy result if it is still
421 reg_equiv_memory_loc[regno] on return.
422 (subst_reloads) [ENABLE_CHECKING]: Check that none of
423 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
424 reg_equiv_mem are modified by the substitutions.
426 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
428 * predict.c (expensive_function_p): New.
429 * rtl.h (expensive_function_p): Declare.
430 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
431 (use_fast_prologue_epilogue): New static variable.
432 (expand_prologue): Set it; emit short prologues if unset.
433 (expand_epilogue): Likewise.
435 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
437 * config.gcc: Add stormy16-*-elf case.
438 * config/stormy16/stormy-abi: New file.
439 * config/stormy16/stormy16-lib2.c: New file.
440 * config/stormy16/stormy16-protos.h: New file.
441 * config/stormy16/stormy16.c: New file.
442 * config/stormy16/stormy16.h: New file.
443 * config/stormy16/stormy16.md: New file.
444 * config/stormy16/t-stormy16: New file.
446 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
448 * i386.h (no-accumulate-outgoing-args): Use proper mask.
450 2001-08-24 David Edelsohn <edelsohn@gnu.org>
452 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
453 descriptor members are pointer size, not constant 4.
454 * config/rs6000/rs6000.md (define_splits): Remove more unused
457 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
459 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
461 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
463 * cp/rtti.c (VPARAMS): Fix parameter.
465 2001-08-24 Zack Weinberg <zackw@panix.com>
467 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
469 (mode_for_extraction): No need for #ifdefs. Add default-case abort
471 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
472 in if controlling use of insv.
473 (extract_bit_field): Likewise, for extv and extzv.
475 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
477 * i386.md (movcc peep2): Fix load of 0.
479 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
481 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
482 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
484 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
486 * c-pragma.h: Move weak_syms and weak_decls...
487 * varasm.c: ...here. Now static.
488 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
489 depend on HANDLE_PRAGMA_WEAK.
491 * c-common.c (c_alignof, c_alignof_expr): Move here...
492 * c-typeck.c: ...from here.
493 * c-tree.h, c-common.h: Adjust.
495 2001-08-23 Bernd Schmidt <bernds@redhat.com>
497 * config/ia64/ia64.c (rws_update): If !pred, set write_count
498 instead of incrementing it.
500 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
501 asm ready, don't try to move them all into the same array element.
503 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
505 * function.c (thread_prologue_and_epilogue_insns): Avoid
506 fallthru flag on edge to exit.
508 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
510 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
513 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
515 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
516 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
517 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
520 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
522 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
523 replace "GNU CC" with "GCC".
525 2001-08-23 Richard Henderson <rth@redhat.com>
527 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
528 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
529 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
530 Need GR between FR and not GR_AND_FR.
531 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
532 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
533 AR regs before GR regs.
534 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
535 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
536 (REGISTER_MOVE_COST): Update.
537 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
539 2001-08-23 Richard Henderson <rth@redhat.com>
541 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
544 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
546 * reload1.c (emit_reload_insns): Don't look for notes
547 on a NULL store_insn.
549 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
551 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
552 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
553 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
554 format specifier warnings.
555 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
557 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
559 * config/i386/i386-protos.h: Correct declaration of
560 i386_pe_asm_named_section.
562 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
564 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
566 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
568 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
570 * cpperror.c (print_location): Don't show _Pragma.
571 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
572 and file change callback generation here.
573 (stack_include_file): Update use of cpp_push_buffer.
574 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
575 (struct cpp_buffer): Remove type, pfile members.
576 * cppinit.c (cpp_handle_option): Use free_chain.
577 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
578 (skip_escaped_newlines, get_effective_char, lex_percent): Take
579 a cpp_reader rather than a cpp_buffer.
580 (skip_escaped_newlines, get_effective_char, skip_block_comment,
581 skip_line_comment, parse_string, lex_percent, lex_dot,
582 _cpp_lex_token): Update accordingly.
583 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
585 (cpp_push_buffer): Update prototype.
586 (run_directive): Update use of cpp_push_buffer.
587 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
588 handle_assertion): Update use of run_directive.
589 * cpplib.h (enum cpp_buffer_type): Remove.
590 (cpp_push_buffer): Update prototype.
591 * fix-header.c (read_scan_file): Update.
593 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
595 * gcc.c (struct prefix_list): Change prefix to const char *.
597 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
599 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
601 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
603 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
606 * jump.c (squeeze_notes): Take parms by reference. Handle END being
609 * ifcvt.c (dead_or_predicable): Adjust.
610 * loop.c (find_and_verify_loops): Adjust.
611 * stmt.c (expand_end_case): Adjust.
612 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
613 head and end insn pointers in the basic block, not just local copies.
614 (merge_blocks_move_predecessor_nojumps): Likewise.
616 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
618 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
619 bitmap.h, builtin-types.def, builtins.c, builtins.def,
620 c-aux-info.c, c-common.c, c-common.def, c-common.h,
621 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
622 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
623 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
624 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
625 conditions.h, config.gcc, configure.frag, configure.in,
626 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
627 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
628 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
629 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
630 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
631 emit-rtl.c, errors.c, errors.h, except.c, except.h,
632 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
633 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
634 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
635 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
636 gencheck.c, gencodes.c, genconfig.c, genemit.c,
637 genextract.c, genflags.c, gengenrtl.c, genmultilib,
638 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
639 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
640 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
641 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
642 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
643 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
644 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
645 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
646 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
647 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
648 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
649 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
650 params.h, predict.c, predict.def, predict.h, prefix.c,
651 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
652 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
653 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
654 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
655 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
656 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
657 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
658 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
659 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
660 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
661 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
662 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
663 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
664 xcoffout.h: replace "GNU CC" with "GCC".
666 2001-08-21 Richard Henderson <rth@redhat.com>
668 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
669 (final_scan_insn): Consider jump tables data even if we have no
670 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
672 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
673 (ASM_OUTPUT_CASE_END): Remove.
674 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
675 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
676 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
678 2001-08-21 Richard Henderson <rth@redhat.com>
680 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
681 at barrier insns. Emit stop bits before barriers.
683 * flow.c (flow_find_cross_jump): Don't consider unconditional
684 return insns for commoning.
686 * final.c (compute_alignments): Fix typo.
688 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
689 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
690 (store_bit_field): Use mode_for_extraction more places.
691 (extract_bit_field): Likewise.
693 2001-08-21 Zack Weinberg <zackw@panix.com>
695 * caller-save.c: Don't include insn-codes.h.
696 (reg_save_code, reg_restore_code): Make arrays of int.
697 All uses updated to match.
698 (insert_save, insert_restore): No need to initialize "code"
699 variable upon declaration.
700 * Makefile.in: update dependencies; fix typo in clean rule.
702 2001-08-21 Richard Henderson <rth@redhat.com>
704 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
705 (merge_if_block): Handle fallout from same.
707 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
709 * builtins.c (type_to_class): Fix typo in last change.
711 2001-08-21 Richard Henderson <rth@redhat.com>
713 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
714 ia64_asm_output_label.
716 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
717 copy of gp while the real gp register contains garbage.
719 2001-08-21 Zack Weinberg <zackw@panix.com>
721 * expmed.c (mode_for_extraction): New function.
722 (store_bit_field, extract_bit_field): Use it.
723 * expr.h: Prototype it and provide an enum for its first argument.
725 * combine.c, function.c, recog.c: Don't include insn-codes.h.
726 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
727 and digging through the insn_data tables.
728 * Makefile.in: Update dependencies.
730 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
732 * cppfiles.c (stack_include_file): line-map.c now handles include
734 (handle_missing_handler): Similarly.
735 (_cpp_execute_include): Similarly.
736 (_cpp_pop_file_buffer): Similarly.
737 * cpphash.h (struct cpp_reader): Remove system_include_depth,
738 buffer_stack_depth and include_depth.
739 * cpplib.c (do_include_common): line-map.c now handles include depth.
740 (cpp_push_buffer): Similarly.
741 (_cpp_pop_buffer): Similarly.
742 * cppmacro.c (builtin_macro): Update.
743 * line-map.c (init_line_maps): Set depth.
744 (add_line_map): Increment "used" earlier. Update and use the
746 (trace_include): Use the include depth.
747 * line-map.h (struct line_maps): New member depth.
749 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
751 * cppfiles.c (stack_include_file): Don't handle -H here.
752 * cppinit.c (cpp_start_read): Set include tracing after
753 cpp_post_options and after stacking the main file.
754 * line-map.c (trace_include): New.
755 (init_line_maps, add_line_map): Update.
756 * line-map.h (struct line_maps): New member trace_includes.
758 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
760 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
761 * cppfiles.c (stack_include_file): Only stack a file if there
762 is something to do. Return a boolean indicating whether a
763 buffer was stacked or not.
764 (_cpp_execute_include): Similarly.
765 (_cpp_read_file): Similarly.
766 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
768 2001-08-21 Sam Steingold <sds@gnu.org>
770 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
771 (RECACHE): keep obufp_before_macroname up to date
773 2001-08-21 Zack Weinberg <zackw@panix.com>
775 * stmt.c: Don't include insn-codes.h.
776 (expand_end_case): Machine specific logic moved to expr.c.
777 No need to worry about __builtin_classify_type.
778 (check_for_full_enumeration_handling, emit_case_nodes):
781 * builtins.o (expand_builtin_classify_type): Split up so code
782 can be shared with fold_builtin_classify_type.
783 (type_to_class, fold_builtin_classify_type): New functions.
784 (fold_builtins): Handle __builtin_classify_type.
786 * expr.c (do_tablejump): Now static.
787 (case_values_threshold, try_casesi, try_tablejump): New;
788 code mostly from stmt.c (expand_end_case).
789 (expr.h): Update prototypes.
791 * Makefile.in (stmt.o): Update dependencies.
793 2001-08-21 Will Cohen <wcohen@redhat.com>
795 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
796 declaration of variable i.
797 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
798 declaration of variable i.
800 2001-08-21 Richard Henderson <rth@redhat.com>
802 * crtstuff.c: Fix thinko last change. Move list tails to start
803 of CRT_END section. Tidy ifdefs.
804 (__EH_FRAME_BEGIN__): Always static for ELF.
805 (__do_global_ctors_1): Rename from __frame_dummy.
806 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
807 name change; don't hide __EH_FRAME_BEGIN__.
809 2001-08-21 Richard Henderson <rth@redhat.com>
811 * gdbinit.in: Move break on exit after break on fancy_abort.
813 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
816 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
818 * cpphash.h (_cpp_push_next_buffer): New.
819 * cppinit.c (do_includes): Remove.
820 (push_include, free_chain, _cpp_push_next_buffer): New.
821 (cpp_start_read): Use them to rework command line option handling.
822 (cpp_handle_option): Combine handling of -include and -imacros.
823 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
824 appropriate. Always insert missing \n at EOF.
825 * cpplib.c (start_directive): Get the directive position right.
826 * cppmain.c (cb_file_change): Always print the first line, unless
829 2001-08-20 Andreas Jaeger <aj@suse.de>
831 * profile.c (compute_branch_probabilities): Remove extra new-line
833 * flow.c (verify_flow_info): Likewise.
835 2001-08-20 Diego Novillo <dnovillo@redhat.com>
837 * basic-block.h (basic_block): Add new field 'flags'.
838 (BB_REACHABLE): Define.
839 (expunge_block): Declare.
840 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
841 (EXIT_BLOCK_PTR): Ditto.
842 (expunge_block): Remove static declaration.
843 (cleanup_cfg): Clear bb->aux on every basic block.
844 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
845 computing reachability.
846 (delete_unreachable_blocks): Delete block b if b->flags has
849 2001-08-20 Diego Novillo <dnovillo@redhat.com>
851 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
853 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
855 * sparc.c (sparc_variable_issue): Fix typo in last change.
857 2001-08-20 Richard Henderson <rth@redhat.com>
859 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
861 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
863 * pa.h (RETURN_IN_MEMORY): Improve comment.
865 2001-08-20 Janis Johnson <janis187@us.ibm.com>
867 * doc/invoke.texi (Profiling options): Clarify the interactions
868 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
870 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
872 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
875 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
877 * gcc.c (make_relative_prefix): Allocate a sufficiently large
880 2001-08-20 Richard Henderson <rth@redhat.com>
882 * final.c (end_final): Fix typo last change.
884 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
886 * cppinit.c (init_standard_includes): The returned buffer
887 is already malloc-ed.
888 * gcc.c (add_prefix): Similarly.
889 * prefix.c (translate_name): Update to support clear buffer
891 (update_path): Similarly. Be sure to free any newly allocated
892 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
894 * prefix.h (update_path): Update prototype and document.
895 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
896 up and update to new buffer ownership rules.
897 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
899 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
901 * final.c (compute_alignments): New function.
902 (init_insn_lengths): Do not care label_align.
903 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
904 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
905 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
906 (shorted_branches): Realloc label_align array; do
907 not call init_insn_lengths; Do not care about loop alignments.
908 * output.h (compute_alignments): Declare.
909 * toplev.c (rest_of_compilation): Call compute_alignments.
910 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
912 * predict.c (block_info_def): Add npredecesors, remove nvisited;
913 change visited to tovisit.
914 (propagate_freq): Use faster traversing algorithm.
915 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
916 to tovisit; reverse meaning.
918 * predict.c (struct block_info_def): Remove nvisited.
919 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
920 (estimate_bb_frequencies): Call mark_dfs_back_edges.
922 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
924 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
925 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
926 (TARGET_FUSED_MADD): New.
927 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
928 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
929 the multiply-add instructions.
931 2001-08-19 Richard Henderson <rth@redhat.com>
933 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
934 is aligned to pointer size.
936 2001-08-19 Richard Henderson <rth@redhat.com>
938 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
939 display markers during final schedule.
941 2001-08-19 Richard Henderson <rth@redhat.com>
943 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
945 2001-08-19 Richard Henderson <rth@redhat.com>
947 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
949 (ASM_NAME_TO_STRING): Remove.
950 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
951 in the same string. Remove support for expressions.
953 2001-08-19 Richard Henderson <rth@redhat.com>
955 * config/i386/i386.md (tablejump): Make an expander; handle
956 pic relative addressing here.
957 (tablejump_1): Rename from tablejump_pic.
960 2001-08-19 Richard Henderson <rth@redhat.com>
962 * regclass.c (fix_register): Fix typo.
964 2001-08-18 Richard Henderson <rth@redhat.com>
966 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
967 (struct _Unwind_Context): Expand br_loc to hold it.
968 (uw_frame_state_for): Handle leaf functions better.
969 (uw_update_reg_address): Update for br_loc change.
971 2001-08-18 Richard Henderson <rth@redhat.com>
973 * crtstuff.c: Move list heads before code that uses them.
974 (__JCR_LIST__): Remove initial null.
975 (frame_dummy, __frame_dummy): Do java registration here ...
976 (__do_global_ctors_aux): ... not here.
978 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
979 (__do_global_dtors_aux): Update to match.
980 (__JCR_LIST__, __do_jv_register_classes): New.
982 * config/ia64/crtend.asm (__JCR_END__): New.
983 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
984 instead of an indirect LTOFF22 reloc.
986 2001-08-18 Richard Henderson <rth@redhat.com>
988 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
989 * regclass.c (init_reg_sets_1): Fix typo.
990 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
991 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
992 (ia64_compute_frame_size): Make ar.unat live when in use.
993 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
994 for ar.pfs; remove ar.unat handling.
995 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
997 (PREDICATE_CODES): Add ar_pfs_reg_operand.
998 * config/ia64/ia64-protos.h: Update decls.
999 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
1000 (sibcall_pic): Likewise.
1002 2001-08-18 Richard Henderson <rth@redhat.com>
1004 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
1005 pred_rel_mutex when searching for insn_group_barrier.
1006 * config/ia64/ia64.md (cycle_display): Combine the expander
1009 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
1010 bit before asm as needed.
1012 2001-08-18 Richard Henderson <rth@redhat.com>
1014 * timevar.def (TV_MACH_DEP): New.
1015 * toplev.c (rest_of_compilation): Use it.
1016 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
1018 2001-08-18 Zack Weinberg <zackw@panix.com>
1020 * unwind-dw2.c (execute_stack_op): Add default aborts to
1021 the inner switches to prevent warnings.
1023 2001-08-18 Richard Henderson <rth@redhat.com>
1025 * timevar.h (struct timevar_time_def): Change element type to float.
1026 (ticks_to_msec, clocks_to_msec): Likewise.
1027 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
1028 (get_time): Likewise.
1029 (timevar_print): Adjust zero check and printing to match.
1031 2001-08-18 Zack Weinberg <zackw@panix.com>
1033 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
1034 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
1035 Eliminate overfull or underfull hboxes.
1037 2001-08-18 Zack Weinberg <zackw@panix.com>
1039 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
1041 2001-08-18 Zack Weinberg <zackw@panix.com>
1043 * haifa-sched.c: Convert to target hooks. Macros replaced
1044 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
1045 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
1046 MD_SCHED_FINISH, and HAVE_cycle_display.
1047 * target-def.h (TARGET_SCHED_ADJUST_COST,
1048 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
1049 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
1050 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
1051 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
1052 New hook #defines to be overridden.
1053 (TARGET_SCHED): Bring them all together.
1054 (TARGET_INITIALIZER): Update.
1055 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
1056 instead of 'struct rtx_def *' throughout.
1057 (struct sched): New set of hooks for the scheduler.
1058 * Makefile.in (haifa-sched.o): Depend on target.h.
1059 * doc/tm.texi: Document the new scheduler hooks, together in
1060 their own section, instead of scattered around.
1061 Fix a bunch of underfull/overfull hboxes.
1063 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
1064 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
1065 sparc.h: Don't define any of the old scheduler macros.
1067 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
1068 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
1069 sparc.c: Create hook functions from code extracted from
1070 corresponding target header, or make existing hooks static, as
1071 appropriate. Set the appropriate entries in targetm.
1073 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
1074 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
1075 rs6000-protos.h, s390-protos.h, sparc-protos.h:
1076 Remove prototypes for functions which are now static.
1078 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
1079 related gunk; the Haifa scheduler is now the only choice.
1081 2001-08-18 Zack Weinberg <zackw@panix.com>
1083 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
1084 * genopinit.c: Put floating point divide insns in sdiv_optab.
1085 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
1086 * config/gofast.h, config/c4x/c4x.h,
1087 config/ia64/hpux_longdouble.h, config/mips/mips.h,
1088 config/pa/long_double.h, config/rs6000/sysv4.h,
1089 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
1090 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
1091 (init_optabs): Use init_optabv for overflow-trapping optabs.
1092 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
1093 cmp_optab RTX codes so have_insn_for can find them.
1095 * optabs.c (expand_simple_binop, expand_simple_unop,
1096 have_insn_for, gen_sub3_insn): New interfaces.
1097 * expr.h: Prototype new functions.
1098 (enum optab_methods): Move here from optabs.h.
1100 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
1101 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
1102 Use new functions instead of working directly with optabs.
1103 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
1104 unroll.c: Don't include optabs.h.
1105 * caller-save.c, combine.c, function.c, stmt.c: Just include
1106 insn-codes.h, not optabs.h.
1107 * Makefile.in: Update dependencies.
1109 * combine.c (make_compound_operation, simplify_comparison):
1110 Fix typos testing for this or that instruction.
1112 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1114 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
1115 generating libgcc.a.
1117 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1119 * except.c (TYPE_HASH): Delete.
1121 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
1124 * tree.c (TYPE_HASH): Delete.
1126 * tree.h (TYPE_HASH): Define.
1128 2001-08-18 Graham Stott <grahams@redhat.com>
1130 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
1132 (adddi3_internal_2+2): Likewise.
1133 (eh_set_lr_di+1): Likewise.
1135 2001-08-17 Richard Henderson <rth@redhat.com>
1137 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1138 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
1139 * dwarf2asm.c: ... here.
1140 * dwarfout.c: Remove them.
1142 * varasm.c (assemble_integer): Add align parameter.
1143 (assemble_real, output_constant, output_constructor): Likewise.
1144 * output.h: Update decls.
1145 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
1146 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
1147 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
1148 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
1149 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
1152 * final.c (end_final): Abort profile block generation if we
1153 havn't layed it out properly.
1154 * output.h (assemble_eh_integer): Remove stale decl.
1155 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
1157 (assemble_integer): Handle unaligned data.
1158 (assemble_real): Abort on unaligned data.
1159 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
1161 (default_dtor_section_asm_out_destructor): Use assemble_align.
1162 (default_named_section_asm_out_constructor): Likewise.
1163 (default_ctor_section_asm_out_constructor): Likewise.
1164 * config/darwin.c (machopic_asm_out_constructor): Likewise.
1165 (machopic_asm_out_destructor): Likewise.
1166 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
1167 (nextstep_asm_out_destructor): Likewise.
1168 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
1169 (vms_asm_out_destructor): Likewise.
1171 2001-08-17 Richard Henderson <rth@redhat.com>
1173 * config/mips/iris6.h (TARGET_IRIX6): New.
1174 (current_section_name, current_section_flags): New.
1175 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
1176 (MAX_OFILE_ALIGNMENT): New.
1177 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
1178 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
1179 (copy_file_data): Split out from
1180 (mips_asm_file_end): ... here.
1181 (mips_asm_file_start): Remove extra .section directive. Use
1182 tmpfile instead of mips_make_temp_file.
1183 (mips_unique_section): Use const char * as needed for warnings.
1184 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
1185 re-add align parameter.
1186 (iris6_asm_named_section): New.
1187 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
1188 (iris6_asm_output_align, iris6_section_align_1): New.
1189 (iris6_asm_file_start, iris6_asm_file_end): New.
1190 * config/mips/mips-protos.h: Update decls.
1192 2001-08-17 Janis Johnson <janis187@us.ibm.com>
1194 * doc/install.texi (Install GCC): Add links to build status pages.
1196 (Final install): Ditto; request updates for specific info
1198 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
1200 * cpperror.c (print_location): Don't take a file name; use the
1202 (_cpp_begin_message): Similarly.
1203 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1204 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
1205 (cpp_pedwarn_with_file_and_line): Remove.
1206 * cppfiles.c (stack_include_file): Update; set filename to stdin
1207 here when appropriate.
1208 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
1209 (_cpp_begin_message): Don't take a file name.
1210 * cppinit.c: Add comment.
1211 * cpplex.c: Fix end-of-directive indicator.
1212 * cpplib.c: Don't include intl.h.
1213 (run_directive, do_diagnostic): Update.
1214 (do_line): Update to not use nominal_fname.
1215 (cpp_push_buffer): Don't take a filename.
1216 * cpplib.h (struct ht): Remove.
1217 (cpp_push_buffer): Don't take a filename.
1218 (cpp_pedwarn_with_file_and_line): Remove.
1219 * cppmacro.c (struct cpp_macro): Remove file.
1220 (builtin_macro): Update.
1221 (_cpp_create_definition): Update.
1222 * cppmain.c: Correct comment.
1223 * fix-header.c (read_scan_file): Update.
1225 2001-08-17 Kazu Hirata <kazu@hxi.com>
1227 * sbitmap.c: Fix comment formatting.
1228 * sched-deps.c: Likewise.
1229 * sibcall.c: Likewise.
1230 * simplify-rtx.c: Likewise.
1232 * ssa-ccp.c: Likewise.
1233 * stor-layout.c: Likewise.
1234 * timevar.c: Likewise.
1235 * toplev.c: Likewise.
1236 * unwind-dw2.c: Likewise.
1237 * unwind-dw2-fde.c: Likewise.
1238 * varasm.c: Likewise.
1240 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1242 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
1243 or larger than an integer in memory.
1245 2001-08-17 Zack Weinberg <zackw@panix.com>
1247 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
1248 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
1249 * rtl.h: Don't forward-declare union tree_node here. Don't
1250 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
1251 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
1252 and tree respectively.
1253 * tree.h: Don't forward-declare struct rtx_def here. Don't
1254 typedef tree here. Change all uses of struct rtx_def *,
1255 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
1256 and tree respectively.
1258 2001-08-17 Richard Henderson <rth@redhat.com>
1260 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
1261 config/mips/openbsd.h: Fix typos last change.
1263 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1265 * doc/invoke.texi (Optimize Options): The default for
1266 -finline-limit is 600.
1268 2001-08-17 Richard Henderson <rth@redhat.com>
1270 * varasm.c (text_section): Allow TEXT_SECTION to override the
1271 printing of TEXT_SECTION_ASM_OP.
1272 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
1273 (DATA_SECTION, BSS_SECTION): Remove.
1274 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
1275 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
1276 Rename from s/_NAME//.
1277 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
1278 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
1279 (TEXT_SECTION): ... here. New.
1280 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
1281 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
1282 * config/mips/openbsd.h: Likewise.
1283 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
1284 (mips_asm_file_end): Likewise test.
1285 (mips_output_function_epilogue): Likewise. Switch back to data
1286 section after emitting the function.
1288 * doc/tm.texi (Sections): Document TEXT_SECTION.
1290 2001-08-17 Richard Henderson <rth@redhat.com>
1292 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
1293 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
1295 2001-08-17 Richard Henderson <rth@redhat.com>
1297 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
1298 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
1299 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
1300 Add aligned attribute.
1302 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
1304 * config/sh/sh.md: Add modes to unspecs in first insn to match
1305 those in the second.
1307 * Makefile.in: Fix collect2 copy for Cygwin.
1309 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1311 Install the proper patch.
1312 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
1313 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
1314 (expand_function_start): Likewise.
1315 * stmt.c (expand_decl): Likewise.
1316 * varasm.c (make_decl_rtx): Likewise.
1318 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1320 * final.c: Undo my previous accidental checkin.
1321 * output.h: Likewise.
1322 * tm.texi: Likewise.
1324 2001-08-16 Richard Henderson <rth@redhat.com>
1326 * varasm.c (named_section_flags): Remove align parameter.
1327 * varasm.c, dwarf2out.c: Update all callers.
1328 * output.h: Update prototypes.
1330 * target.h (target.asm_out.named_section): Remove align parameter.
1331 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
1332 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
1333 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
1334 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
1335 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
1337 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
1338 (get_named_section_flags, set_named_section_flags): New.
1339 (named_section_flags): Use them.
1340 (named_section): Do decl vs section flags check here...
1341 (default_section_type_flags): ... not here.
1342 (init_varasm_once): Create in_named_htab.
1343 (resolve_unique_section): Mark reloc unused.
1345 2001-08-16 Richard Henderson <rth@redhat.com>
1347 * varasm.c (force_const_mem): Keep pool alignment in bits.
1348 (output_constant_pool): Use assemble_align.
1350 2001-08-16 Zack Weinberg <zackw@panix.com>
1352 * doc/tm.texi: Remove extra @table command.
1354 2001-08-16 Zack Weinberg <zackw@panix.com>
1356 * final.c (shorten_branches): Clear the end of the label_align
1357 array only if we made it larger. Break up messy expressions
1360 * diagnostic.c (internal_error): Check for error recursion
1361 before doing ICE suppression.
1363 * timevar.c: Timing variables now count in milliseconds.
1364 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
1365 (get_time): Not here.
1366 (timevar_print): Don't print any timer whose user, cpu, and
1367 wall times are all zero as displayed.
1368 * timevar.h: Update comment aboout units. Make timevar
1371 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1373 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
1374 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
1375 (expand_function_start): Likewise.
1376 * stmt.c (expand_decl): Likewise.
1377 * varasm.c (make_decl_rtx): Likewise.
1379 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
1381 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
1382 (finalize_record_size): Don't set TYPE_USER_ALIGN.
1384 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1386 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
1389 2001-08-16 Andreas Jaeger <aj@suse.de>
1391 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
1394 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
1396 * rtl.h (only_sets_cc0_p): New prototype.
1397 * jump.c (sets_cc0_p): Handle INSN.
1398 (only_sets_cc0_p): New function.
1399 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
1400 (tidy_fallthru_edge): Likewise.
1401 * integrate.c (copy_insn_list): Likewise.
1402 * unroll.c (unroll_loop): Likewise.
1403 (copy_loop_body): Likewise.
1405 2001-08-15 Jason Eckhardt <jle@redhat.com>
1407 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
1409 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1411 * predict.c (struct block_info_def): Remove nvisited.
1412 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
1413 (estimate_bb_frequencies): Call mark_dfs_back_edges.
1415 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
1416 (ix86_adjust_cost): Teach scheduler that latency to load operand can
1419 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1421 * predict.def: Update hitrates.
1423 2001-08-15 Richard Henderson <rth@redhat.com>
1425 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
1427 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
1429 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
1430 note from its associated jump.
1432 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
1434 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
1435 also on 64-bit s390x targets.
1437 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
1439 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
1441 (arm_expand_prologue): Handled nested functions which take a
1442 variable argument list.
1443 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
1444 macro with an invocation of
1445 arm_compute_initial_elimination_offset.
1446 * config/arm/arm-protos.h: Prototype
1447 arm_compute_initial_elimination_offset.
1449 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1451 * doc/install.texi (Specific, avr): Fix markup.
1452 (Specific, c4x): Ditto.
1454 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1456 * predict.c (dump_prediction): Change `bool' parameter to `int'.
1458 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
1460 * Makefile.in (OBJS): Add rtl-error.o
1461 (rtl-error.o): New rule.
1462 (diagnostic.o): Adjust dependency.
1463 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
1464 error_for_asm, _fatal_insn, _fatal_insn_not_found,
1465 warning_for_asm): Move to...
1466 rtl-error.c: ...here. New file.
1468 2001-08-14 Richard Henderson <rth@redhat.com>
1470 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
1471 if USING_SJLJ_EXCEPTIONS.
1473 2001-08-14 Steve Ellcey <sje@cup.hp.com>
1475 * tlink.c (scan_linker_output): Check string for unsatisfied in
1476 addition to undefined and unresolved.
1478 2001-08-14 Graham Stott <grahams@redhat.com>
1480 * libgcc2.c (*): Replace EH_FRAME_SECTION with
1481 EH_FRAME_SECTION_NAME.
1483 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1485 * genattrtab.c (simplify_test_exp_in_temp): New function.
1486 (simplify_test_exp): Avoid explicit use of temporary obstack.
1487 (simplify_cond, insert_right_side, evaluate_eq_attr,
1488 simplify_and_tree, simplify_or_tree, eliminate_known_true):
1489 Use simplify_test_exp_in_temp.
1490 (optimize_attrs): Iterate until expression stabilizes.
1492 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
1494 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
1495 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
1497 2001-08-13 Richard Henderson <rth@redhat.com>
1499 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
1500 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
1501 * config/arm/conix-elf.h: Likewise.
1503 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
1505 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
1507 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1509 * gcse.c (hash_scan_set): Expressions that are set as part of
1510 jump instructions are not available.
1512 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
1514 * config/s390/s390.c (print_operand, s390_function_prologue,
1515 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
1517 2001-08-13 Richard Henderson <rth@redhat.com>
1519 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
1520 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
1521 * doc/tm.texi (Exception Region Output): Document it.
1523 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
1525 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
1526 DWARF2 instead of stabs by default.
1528 2001-08-13 David Edelsohn <edelsohn@gnu.org>
1530 * config/rs6000/rs6000.c: Include optabs.h.
1532 2001-08-13 David Edelsohn <edelsohn@gnu.org>
1534 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
1535 save/restore routines.
1536 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
1538 2001-08-13 Andreas Jaeger <aj@suse.de>
1540 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
1541 the english is correct.
1543 2001-08-13 Zack Weinberg <zackw@panix.com>
1545 * expr.h: Split out optab- and libfunc-related code to...
1546 * optabs.h, libfuncs.h: ... these new headers.
1548 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
1550 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
1552 * mkconfig.sh: Don't include insn-codes.h from config.h.
1554 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
1555 enum insn_code is available. Move reload_in_optab and
1556 reload_out_optab array declarations to optabs.h.
1557 * regmove.c (gen_add3_insn): Move to optabs.c, export from
1558 there, prototype in expr.h.
1559 * gencodes.c: Cleanup: zap global variables, don't use
1560 printf where puts will do, don't bother defining MAX_INSN_CODE
1561 which nothing uses, let CODE_FOR_nothing get its value implicitly.
1563 * genemit.c, genopinit.c: Include optabs.h in generated file.
1564 * genoutput.c: Include insn-codes.h in generated file.
1565 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
1566 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
1567 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
1568 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
1569 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
1570 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
1572 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
1573 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
1574 config/m88k/m88k.c, config/sparc/sparc.c:
1576 * reload.c: Include expr.h and optabs.h before reload.h.
1577 * config/alpha/alpha.c: Include tree.h before reload.h.
1578 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
1579 and reload.h in that order.
1580 * config/sparc/sparc.c: Include debug.h.
1581 * recog.c: Include insn-codes.h.
1583 2001-08-13 Andreas Jaeger <aj@suse.de>
1585 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
1588 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1590 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
1591 * gcc.c (init_spec): Fix typo in comment.
1592 * varasm.c (data_section): Fix typo in comment.
1594 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1596 * predict.c (dump_prediction): New argument "USED".
1597 (combine_predictions_for_insn): Determine the used heuristics,
1598 output the case no heuristic applied.
1599 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
1601 2001-08-13 Andreas Jaeger <aj@suse.de>
1603 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
1606 2001-08-13 Kazu Hirata <kazu@hxi.com>
1608 * jump.c: Fix formatting.
1610 2001-08-13 Kazu Hirata <kazu@hxi.com>
1612 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
1615 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
1617 * loop.c (check_dbra_loop): Use condjump_label to compute
1620 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
1621 to better document the files they're in.
1623 2001-08-12 Zack Weinberg <zackw@panix.com>
1625 * recog.h (struct insn_operand_data): Shrink 'mode' field
1628 2001-08-12 Kazu Hirata <kazu@hxi.com>
1630 * gcc.c: Fix comment formatting.
1631 * gccspec.c: Likewise.
1634 * genemit.c: Likewise.
1635 * gengenrtl.c: Likewise.
1636 * genrecog.c: Likewise.
1637 * gensupport.c: Likewise.
1638 * ggc-page.c: Likewise.
1639 * global.c: Likewise.
1640 * graph.c: Likewise.
1641 * ifcvt.c: Likewise.
1642 * integrate.c: Likewise.
1644 * libgcc2.c: Likewise.
1646 * mbchar.c: Likewise.
1647 * optabs.c: Likewise.
1648 * predict.c: Likewise.
1649 * prefix.c: Likewise.
1650 * profile.c: Likewise.
1651 * protoize.c: Likewise.
1653 * recog.c: Likewise.
1654 * regclass.c: Likewise.
1655 * regmove.c: Likewise.
1656 * reg-stack.c: Likewise.
1657 * reload1.c: Likewise.
1658 * resource.c: Likewise.
1659 * rtlanal.c: Likewise.
1662 2001-08-12 Kazu Hirata <kazu@hxi.com>
1664 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
1665 a tree representing a constant is passed to the macro.
1667 2001-08-12 Richard Henderson <rth@redhat.com>
1669 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
1670 (rs6000_elf_asm_out_destructor): New.
1671 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
1672 (DTORS_SECTION_ASM_OP): Remove.
1673 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1674 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
1676 2001-08-12 David Edelsohn <edelsohn@gnu.org>
1679 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1680 * gcc.c (set_collect_gcc_options): New function, split out from
1682 Ignore elided switches.
1683 (do_spec_1): Invoke before executing command.
1684 (set_input): Export.
1685 Move declaration ...
1686 * gcc.h (set_input): ... here.
1687 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
1690 2001-08-12 Richard Henderson <rth@redhat.com>
1692 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
1693 thinko wrt TARGET_RELOCATABLE.
1695 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
1697 * fix-header.c (cb_file_change): Update prototype.
1699 2001-08-11 Zack Weinberg <zackw@panix.com>
1701 * toplev.c (set_float_handler): Make static.
1702 * toplev.h: Don't prototype set_float_handler.
1704 * simplify-rtx.c: Don't include setjmp.h.
1705 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
1707 (simplify_unary_operation, simplify_binary_operation): Use them,
1708 via do_float_handler.
1710 * fold-const.c: Don't include setjmp.h.
1711 (exact_real_inverse_1): New function.
1712 (exact_real_inverse): Use it, via do_float_handler.
1714 * varasm.c: Don't include setjmp.h.
1715 (assemble_real_1): New function.
1716 (assemble_real): Use it, via do_float_handler.
1717 Call internal_error if we get a trap here.
1719 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
1720 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
1722 2001-08-11 Zack Weinberg <zackw@panix.com>
1724 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
1725 STACK_BOUNDARY if not already defined.
1727 * calls.c, function.c, reload1.c, explow.c: Don't default
1728 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
1729 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
1731 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
1734 * doc/tm.texi: Document that STACK_BOUNDARY is required;
1735 clarify difference between it and PREFERRED_STACK_BOUNDARY.
1737 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
1739 * cppmacro.c (enter_macro_context): Push macro expansions even
1742 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1744 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
1745 (rs6000_elf_section_type_flags): Actually return a value.
1747 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
1749 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
1750 Clean up code: add missing comments and prototypes, fix warnings,
1751 remove obsolete code, fix spacing to conform to coding style.
1753 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
1755 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
1756 and TARGET_ASM_CLOSE_PAREN.
1757 (regclass_map): CC register belongs to class NO_REGS.
1758 (legitimize_pic_address): Don't generate unnecessary moves
1759 (to avoid confusing loop optimization).
1760 (check_and_change_labels): Replace jump_long by indirect_jump.
1761 (s390_final_chunkify): Don't start a new literal pool on section
1762 switch in 64-bit code.
1763 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
1765 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
1766 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
1767 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
1769 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
1770 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
1771 (CONST_COSTS): Fixed incorrect costs.
1773 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
1774 Use emit_jump instead of emit_jump_insn (gen_jump).
1775 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
1776 (to avoid confusing flow analysis).
1777 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
1778 (casesi, casesi_jump): New.
1779 (jump_long): Removed. Functionality merged into indirect_jump.
1780 (indirect_jump): Accept address_operand, not just register_operand.
1781 (cjump_long, icjump_long): Use same logic as indirect_jump.
1782 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
1783 Fixed broken setjmp/longjmp handling.
1784 (do_builtin_setjmp_setup): Removed.
1786 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
1787 broken GNU as versions that don't accept .quad with large
1788 negative values. Use hexadecimal output instead.
1789 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
1790 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
1791 FUNCTION_EPILOGUE): Removed. Now in targetm.
1793 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
1795 * config/s390/fixdfdi.h: Add missing copyright statement.
1796 Fix type conflicts on 64-bit. Add missing SFmode routines.
1798 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
1801 2001-08-11 Richard Henderson <rth@redhat.com>
1803 * rtl.h (REG_EH_RETHROW): Remove.
1804 * rtl.c (reg_note_name): Update.
1805 * combine.c (distribute_notes): Don't check for it.
1807 2001-08-11 Richard Henderson <rth@redhat.com>
1809 * combine.c (distribute_notes): Place REG_SETJMP.
1811 2001-08-11 Richard Henderson <rth@redhat.com>
1813 * doc/extend.texi (Arrays and pointers implementation): Discourage
1814 relying on sign-extension of pointers.
1816 2001-08-11 H.J. Lu <hjl@gnu.org>
1818 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
1820 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
1821 RDATA_SECTION_ASM_OP.
1823 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1825 * doc/install.texi (Specific, c4x): Fix cross-reference to the
1826 main manual to work both for info and HTML versions.
1828 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
1829 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1831 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
1832 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
1833 (struct cpp_pool): New member first.
1834 * cppinit.c (append_include_chain): Plug memory leaks.
1835 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
1836 Allocate pragma structures from the (aligned) macro pool to
1837 avoid leaking memory.
1838 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
1839 so we don't leak memory.
1840 * hashtable.c (ht_destroy): New.
1841 * hashtable.h (ht_destroy): New.
1843 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
1844 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1846 * c-lex.c (map): Make const.
1847 (cb_file_change): Update for callback passing a line map.
1848 Don't assume we have a previous map. Remove sanity check
1849 about popping too many files.
1850 * cpperror.c (print_location): Make map const.
1851 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
1852 (cpp_make_system_header): Similarly.
1853 (search_from): Similarly.
1854 (_cpp_execute_include): Don't remember where we came from.
1855 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
1856 (struct cpp_reader): Make map const.
1857 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
1858 * cpplib.c (do_line): Update; line maps now hold sysp.
1859 (cpp_push_buffer): Similarly.
1860 (_cpp_do_file_change): Similarly; callback with map instead.
1861 (cpp_get_line_maps): Constify return value.
1862 (_cpp_pop_buffer): Update.
1863 * cpplib.h (struct cpp_file_change): Remove.
1864 (struct cpp_callbacks): Update.
1865 (cpp_get_line_maps): Constify return value.
1866 * cppmacro.c (_cpp_create_definition): Update.
1867 * cppmain.c (struct printer): Constify map.
1868 (maybe_print_line): Similarly.
1869 (print_line): Similarly. Deduce flags 1 and 2 here.
1870 (cb_file_change): Update.
1871 * line-map.c (free_line_maps): Warn regardless.
1872 (add_line_map): Return pointer to const. When passed NULL to_file
1873 with LC_LEAVE, use the obvious values for the return point so the
1874 caller doesn't have to figure them out.
1875 (lookup_line): Return pointer to const.
1876 (print_containing_files): Take pointer to const.
1877 * line-map.h (struct line_map): New members reason, sysp.
1878 (add_line_map): Return pointer to const.
1879 (lookup_line): Similarly.
1880 (print_containing_files): Take pointer to const.
1882 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
1883 Richard Henderson <rth@redhat.com>
1885 * regmove.c (regmove_optimize): Avoid setting a register twice in
1888 2001-08-10 Richard Henderson <rth@redhat.com>
1890 * doc/extend.texi (Arrays and pointers implementation): Document
1891 behavior of pointer/integer conversion.
1893 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
1895 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
1897 2001-08-10 Richard Henderson <rth@redhat.com>
1899 * doc/extend.texi (C Implementation): New chapter.
1900 * doc/gcc.texi (Top): Link it in.
1902 2001-08-10 Andrew Cagney <ac131313@redhat.com>
1904 * doc/install.texi (Specific): Fix CVS merge botch.
1906 2001-08-10 Richard Henderson <rth@redhat.com>
1908 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
1909 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
1911 2001-08-10 Zack Weinberg <zackw@stanford.edu>
1913 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
1914 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
1915 this macro is now required.
1917 * cselib.c (cselib_process_insn), flow.c (propagate_block),
1918 loop.c (find_and_verify_loops), reload.c (reload): Check
1919 for rtx code of CALL_INSN, not CALL, when deciding if we
1920 need to check for REG_SETJMP note.
1922 * gcse.c (compute_hash_table, compute_store_table): Update
1923 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
1926 * config/avr/avr.c: Fix typo.
1927 * config/convex/convex.c (expand_movstr): Use adjust_address.
1928 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
1930 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
1931 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
1933 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
1934 Do define STACK_BOUNDARY.
1935 * config/i370/i370.c: Include expr.h.
1936 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
1937 config/pa/som.h, config/v850/v850.h: Take in_ctors and
1938 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
1939 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
1940 * config/m88k/m88k.c: Include c-tree.h after expr.h.
1941 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
1942 * config/romp/romp.c: Include expr.h after tree.h.
1944 (output_fpop): Use xmalloc, not oballoc.
1945 * config/we32k/we32k.c: Include expr.h.
1947 2001-08-10 Kazu Hirata <kazu@hxi.com>
1949 * config/h8300/h8300.h: Fix formatting.
1951 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
1953 * c-common.h (RETURN_NULLIFIED_P): Lose.
1954 * c-semantics.c (genrtl_return_stmt): Don't check it.
1956 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
1958 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
1959 (mips_annotate_frame_insn): New function.
1960 (mips_emit_frame_related_store): New function.
1961 (save_restore_insns): Don't mark instructions that set up the base
1962 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
1963 the store instructions instead.
1964 (mips_expand_prologue): If the stack size is moved into a temporary
1965 register, do not mark that move as frame-related. Add a
1966 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
1968 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
1970 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
1971 stack slot as unchanging if current_function_calls_eh_return.
1973 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
1975 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
1976 access the second half of the TFmode scratch operand.
1978 2001-08-10 Anthony Green <green@redhat.com>
1980 * java/class.c (emit_register_classes): Conditionalize code on
1983 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1985 * doc/install.texi (Specific, avr): Fix cross-reference to the
1986 main manual to work both for info and HTML versions.
1988 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
1990 * stmt.c (expand_null_return_1): Remove code to generate simple returns
1991 and "use_goto" argument.
1992 (expand_null_return, expand_value_return): Update all callers.
1993 * function.c (expand_function_end): Remove code to generate simple
1995 * config/vax/vax.md (epilogue): New expander for function return.
1996 * doc/md.texi (epilogue): Remove "if defined".
1998 2001-08-09 Zack Weinberg <zackw@stanford.edu>
2000 * Makefile.in: Partially revert my previous change:
2001 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
2002 of the hashtab.o and safe-ctype.o rules.
2004 2001-08-09 Richard Henderson <rth@redhat.com>
2006 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
2007 (USE_COLLECT2): Remove duplicate definition.
2008 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
2009 (use_collect2): Remove dead code.
2010 * configure.in (use_collect2): Remove will_use_collect2 and
2011 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
2012 * configure: Rebuild.
2014 * target.h (targetm.asm_out.constructor): New.
2015 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
2016 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
2017 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
2018 * varasm.c (in_ctors, in_dtors): New.
2019 (assemble_constructor, assemble_destructor): Remove.
2020 (default_stabs_asm_out_destructor): New.
2021 (default_named_section_asm_out_destructor): New.
2022 (dtors_section, default_dtor_section_asm_out_destructor): New.
2023 (default_stabs_asm_out_constructor): New.
2024 (default_named_section_asm_out_constructor): New.
2025 (ctors_section, default_ctor_section_asm_out_constructor): New.
2026 * output.h: Update declarations.
2027 * c-decl.c (c_expand_body): Use target hooks instead of
2028 assemble_constructor and assemble_destructor.
2029 * profile.c (output_func_start_profiler): Likewise.
2030 * objc/objc-act.c (finish_objc): Likewise.
2031 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
2032 for the constructor.
2033 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
2035 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
2036 (DTORS_SECTION_ASM_OP): Likewise.
2037 (__CTOR_LIST__): Use attribute section when possible.
2038 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
2040 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
2041 ASM_OUTPUT_CONSTRUCTOR.
2043 * config/darwin.c (machopic_asm_out_constructor): New.
2044 (machopic_asm_out_destructor): New.
2045 * config/darwin-protos.h: Update declarations.
2046 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2047 (ASM_OUTPUT_DESTRUCTOR): Remove.
2048 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2049 * config/nextstep.c (nextstep_asm_out_constructor): New.
2050 (nextstep_asm_out_destructor): New.
2051 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2052 (ASM_OUTPUT_DESTRUCTOR): Remove.
2053 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2054 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
2055 ASM_OUTPUT_*STRUCTOR.
2056 * config/i386/aix386ng.h: Likewise.
2058 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
2059 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
2060 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2061 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2062 * config/lynx.h: Likewise.
2063 * config/netware.h: Likewise.
2064 * config/psos.h: Likewise.
2065 * config/alpha/alpha-interix.h: Likewise.
2066 * config/alpha/elf.h: Likewise.
2067 * config/arc/arc.h: Likewise.
2068 * config/arm/aof.h: Likewise.
2069 * config/arm/coff.h: Likewise.
2070 * config/arm/elf.h: Likewise.
2071 * config/c4x/c4x.h: Likewise.
2072 * config/h8300/h8300.h: Likewise.
2073 * config/i386/cygwin.h: Likewise.
2074 * config/i386/djgpp.h: Likewise.
2075 * config/i386/i386-coff.h: Likewise.
2076 * config/i386/i386-interix.h: Likewise.
2077 * config/i386/sco5.h: Likewise.
2078 * config/i386/vsta.h: Likewise.
2079 * config/i386/win32.h: Likewise.
2080 * config/i960/i960-coff.h: Likewise.
2081 * config/ia64/sysv4.h: Likewise.
2082 * config/m68hc11/m68hc11.h: Likewise.
2083 * config/m68k/coff.h: Likewise.
2084 * config/m68k/mot3300.h: Likewise.
2085 * config/m88k/m88k.h: Likewise.
2086 * config/mcore/mcore-pe.h: Likewise.
2087 * config/mcore/mcore.h: Likewise.
2088 * config/mips/elf.h: Likewise.
2089 * config/mips/elf64.h: Likewise.
2090 * config/mips/iris6.h: Likewise.
2091 * config/pa/pa64-hpux.h: Likewise.
2092 * config/rs6000/sysv4.h: Likewise.
2093 * config/sh/sh.h: Likewise.
2094 * config/sparc/litecoff.h: Likewise.
2096 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
2097 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2098 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2099 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2100 (ASM_OUTPUT_DESTRUCTOR): Remove.
2101 * config/a29k/a29k.c: Move include of tree.h.
2102 * config/a29k/udi.h: Delete file.
2103 * config/alpha/alpha.c (vms_asm_out_constructor): New.
2104 (vms_asm_out_destructor): New.
2105 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
2106 (EXTRA_SECTION_FUNCTIONS): Likewise.
2107 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2108 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2109 * config/c4x/c4x.c: Move include of tree.h.
2110 * config/clipper/clipper.c (clix_asm_out_constructor): New.
2111 (clix_asm_out_destructor): New.
2112 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2113 (ASM_OUTPUT_DESTRUCTOR): Remove.
2114 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2115 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2116 (TARGET_ASM_CONSTRUCTOR): New.
2117 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
2118 (sco_asm_out_constructor): New.
2119 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
2120 * config/i386/svr3gas.h: Remove stack grows up code.
2121 Remove code duplicated from i386/sysv3.h.
2122 (TARGET_ASM_CONSTRUCTOR): New.
2123 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2124 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
2125 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2126 (TARGET_ASM_CONSTRUCTOR): New.
2127 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
2128 (m68hc11_asm_out_destructor): New.
2129 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
2130 (TARGET_ASM_DESTRUCTOR): New.
2131 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
2132 * config/m68k/dpx2.h: Properly undef all the bits inherited from
2133 config/svr3.h pertaining to section manipulation.
2134 * config/m68k/dpx2g.h: Remove #if 0 code.
2135 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
2136 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
2137 (ASM_OUTPUT_CONSTRUCTOR): Remove.
2138 (TARGET_ASM_CONSTRUCTOR): New.
2139 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
2140 (m88k_svr3_asm_out_constructor): New.
2141 (m88k_svr3_asm_out_destructor): New.
2142 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2143 (ASM_OUTPUT_DESTRUCTOR): Remove.
2144 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2145 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
2146 * config/rs6000/aix.h: Likewise.
2147 * config/mips/rtems64.h: Don't undef removed constructor related bits.
2148 * config/mips/vxworks.h: Likewise.
2149 * config/rs6000/lynx.h: Likewise.
2150 * config/sh/elf.h: Likewise.
2151 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
2152 (DTORS_SECTION_ASM_OP): New.
2153 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2154 (ASM_OUTPUT_DESTRUCTOR): Remove.
2155 * config/sparc/sol2-sld-64.h: Likewise.
2156 * config/vax/vax.c (vms_asm_out_constructor): New.
2157 (vms_asm_out_destructor): New.
2158 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2159 (ASM_OUTPUT_DESTRUCTOR): Remove.
2160 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2162 * doc/tm.texi (@node Initialization): Update.
2164 2001-08-09 Richard Henderson <rth@redhat.com>
2166 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
2167 (__do_global_dtors_aux): Use gp-relative static data to avoid
2168 one dynamic relocation.
2169 (__do_frame_setup): Register Java classes.
2170 * config/alpha/crtend.asm (__JCR_END__): New.
2172 2001-08-09 Zack Weinberg <zackw@stanford.edu>
2174 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
2175 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
2176 (GEN, STAGESTUFF): Add new files.
2177 (insn-constants.h, s-constants, tm-preds.h, s-preds,
2178 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
2179 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
2180 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
2181 as well as insn-codes.h and insn-flags.h in config.h; and no
2182 extra headers in tconfig.h and hconfig.h.
2184 * gencodes.c: Eliminate code to generate predicate declarations
2185 or #defines for md-file constants.
2186 * genconstants.c, genpreds.c: New files.
2188 * i386.md: Re-order guard expressions such that TARGET_64BIT
2189 comes first, when this permits better optimization. Add
2190 TARGET_64BIT to more x86-64 patterns. Add comment explaining
2191 why this is desirable.
2193 2001-08-09 Jakub Jelinek <jakub@redhat.com>
2195 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
2196 (find_fde_for_dso): Remove.
2197 (_Unwind_IteratePhdrCallback): New.
2198 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
2199 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
2201 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2203 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
2204 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
2206 2001-08-09 Graham Stott <grahams@redhat.com>
2208 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
2209 (vis_no_unit): Use it.
2210 (visualize_no_unit): Add the insn only if room exists.
2212 2001-08-09 Graham Stott <grahams@redhat.com>
2214 * predict.c (estimate_probability): Replace magic numbers with
2215 appropriate enumeration.
2217 2001-08-09 Graham Stott <grahams@redhat.com>
2219 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
2221 (EXTRACT_FLAGS): Likewise.
2223 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
2225 * config/mips/mips.c (mips_legitimate_address_p): Check for
2226 CONST_INT in last patch.
2228 2001-08-08 Anthony Green <green@redhat.com>
2230 * java/class.c (emit_register_classes): Use assemble_jcr if
2231 possible. Keep the original mechanism as a fallback.
2232 * defaults.h (JCR_SECTION_NAME): Define if we have named section
2233 and weak symbol support.
2234 * crtstuff.c (__JCR_LIST__): Define.
2235 (__JCR_END__): Define.
2236 (_Jv_RegiserClasses): Define weak symbol if possible.
2237 (__do_global_ctors_aux): Register classes for ELF targets with
2238 weak symbol support.
2240 2001-08-08 Kazu Hirata <kazu@hxi.com>
2242 * dbxout.c: Fix comment formatting.
2243 * dependence.c: Likewise.
2245 * diagnostic.c: Likewise.
2246 * dominance.c: Likewise.
2247 * doprint.c: Likewise.
2248 * dwarf2out.c: Likewise.
2249 * dwarfout.c: Likewise.
2250 * emit-rtl.c: Likewise.
2251 * except.c: Likewise.
2252 * explow.c: Likewise.
2253 * expmed.c: Likewise.
2256 * fold-const.c: Likewise.
2257 * function.c: Likewise.
2259 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2261 * global.c (retry_global_alloc): Avoid shadowing allocno.
2263 2001-08-08 Mark Mitchell <mark@codesourcery.com>
2265 * except.c (remove_fixup_regions): Fix typo.
2267 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
2269 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
2270 unsigned HOST_WIDE_INT to avoid warning.
2271 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
2272 * flow.c (set_block_for_new_insns): Likewise.
2274 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
2276 * sibcall.c (return_value_pseudo): New static variable.
2277 (skip_copy_to_return_value): Handle return_value_pseudo.
2278 (call_ends_block_p): Ensure that return_value_pseudo is set.
2279 (optimize_sibling_and_tail_recursive_call): Discover the
2280 load of pseudo return value in alternate exit block.
2282 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2284 * calls.c (ECF_ALWAYS_RETURN): New constant.
2285 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
2286 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
2287 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
2288 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
2289 * rtl.c (reg_note_name): New name.
2290 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
2292 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
2294 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
2296 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
2298 * alias.c (get_alias_set): Return a previously calculated
2299 alias set for a VAR_DECL.
2300 * function.c (gen_mem_addressof): Calculate the alias set before
2303 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
2305 * predict.def: Set hitrates according our experimental run.
2307 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2309 * i386.h (HARD_REGNO_RENAME_OK): New macro.
2311 2001-08-08 H.J. Lu <hjl@gnu.org>
2313 * config/mips/mips.c (mips_unique_section): New. Copied from
2316 * config/mips/mips-protos.h (mips_unique_section): New
2319 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
2321 * config/mips/little.h: New. Generic little endian mips
2322 targets. Only mips*-*-linux* is converted to use it so far.
2324 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
2325 (WCHAR_TYPE): Defined
2326 (WCHAR_TYPE_SIZE): Likewise.
2327 (INIT_SUBTARGET_OPTABS): Likewise.
2328 (BSS_SECTION_ASM_OP): Likewise.
2329 (SBSS_SECTION_ASM_OP): Likewise.
2330 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
2331 (ASM_DECLARE_OBJECT_NAME): Likewise.
2332 (UNIQUE_SECTION): Likewise.
2333 (EXTRA_SECTIONS): Likewise.
2334 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2335 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2336 (ASM_OUTPUT_DEF): Likewise.
2337 (HANDLE_SYSV_PRAGMA): Removed.
2338 (NO_IMPLICIT_EXTERN_C): Likewise.
2339 (TARGET_MEM_FUNCTIONS): Likewise.
2340 (STARTFILE_SPEC): Likewise.
2341 (ENDFILE_SPEC): Likewise.
2342 (LIB_SPEC): Likewise.
2343 (INVOKE__main): Likewise.
2344 (CTOR_LIST_BEGIN): Likewise.
2345 (CTOR_LIST_END): Likewise.
2346 (DTOR_LIST_BEGIN): Likewise.
2347 (DTOR_LIST_END): Likewise.
2348 (SET_ASM_OP): Likewise.
2349 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2350 (ASM_OUTPUT_DEF): Likewise.
2351 (ASM_OUTPUT_IDENT): Likewise.
2353 * config/mips/mips.h (ASM_SPEC): Undefine before define.
2354 (CPLUSPLUS_CPP_SPEC): Likewise.
2355 (ASM_APP_ON) Redefine only if not defined.
2356 (ASM_APP_OFF): Likewise.
2357 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2358 (ASM_OUTPUT_IDENT): Likewise.
2360 * config.gcc: Update tm_file for Linux/mips.
2362 2001-08-08 Bernd Schmidt <bernds@redhat.com>
2364 * cselib.c (cselib_record_sets): If insn is predicated, turn
2365 sources into IF_THEN_ELSEs.
2367 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
2368 Turn into define_insn_and_split.
2370 * sched-deps.c: Include "cselib.h".
2371 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
2372 Use cselib to turn memory addresses into VALUEs.
2373 (sched_analyze): Call cselib_init/cselib_finish if necessary.
2374 * sched-int.h (struct sched_info): New member USE_CSELIB.
2375 * sched-ebb.c (ebb_sched_info): Initialize it.
2376 * sched-rgn.c (rgn_sched_info): Likewise.
2377 * Makefile.in (sched-deps.o): Update dependencies.
2379 * cselib.h (cselib_subst_to_values): Declare.
2380 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
2381 that have no value and autoincs to be handled by generating a new
2384 2001-08-08 Graham Stott <grahams@redhat.com>
2386 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
2387 within fixed length SEQUENCE.
2389 2001-08-08 Graham Stott <grahams@redhat.com>
2391 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
2392 (diagnostic_prefixing_rule): Likewise.
2393 (diagnostic_line_cutoff): Likewise.
2394 (diagnostic_kind_count): Likewise.
2396 2001-08-08 Graham Stott <grahams@redhat.com>
2398 * alias.c (find_base_decl): Delete redundent assignment.
2400 2001-08-08 Graham Stott <grahams@redhat.com>
2402 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
2403 (abs): Uppercase and paranthesize macro parameter.
2404 (MEM_DEPENDENCY): Add whitespace.
2406 2001-08-08 Graham Stott <grahams@redhat.com>
2408 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
2409 failure check for CONST_INT
2411 2001-08-08 Graham Stott <grahams@redhat.com>
2413 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
2414 (libcall_dead_p): Likewise.
2416 (mark_used_regs): Constify fmt.
2417 (find_use_as_address): Likewise.
2419 2001-08-08 Graham Stott <grahams@redhat.com>
2421 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
2424 2001-08-08 Graham Stott <grahams@redhat.com>
2426 * combine.c (combine_simplify_rtx): Update comment and
2427 remove erroneous test.
2429 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
2431 * cppinit.c (cpp_finish): Pop the final buffer without comment.
2432 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
2433 take care to avoid multiple no-newline at EOF warnings in that
2436 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
2438 * calls.c (expand_call): Do not emit INSN_SETJMP note.
2439 (emit_library_call_value_1): Likewise.
2440 (emit_call_1): Emit REG_SETJMP note.
2441 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
2443 * cselib.c (cselib_process_insn): Likewise.
2444 * flow.c (propagate_block): Likewise.
2445 * loop.c (find_and_verify_loops): Likewise.
2446 * reload.c (find_equiv_regs): Likewise.
2447 * reload1.c (reload): Likewise.
2448 * resource.c (mark_referenced_resources,
2449 mark_set_resources): Likewise.
2450 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
2451 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
2452 * haifa-sched.c (unlink_other_notes): Likewise.
2453 (reemit_notes): Likewise.
2454 * sched-ebb.c (sched_ebb): Likewise.
2455 * sched-rgc.c (sched_region): Likewise.
2456 * rtl.c (note_insn_name): Likewise.
2457 (reg_note_name): Add REG_SETJMP
2458 * rtl.h (reg_note): Add REG_SETJMP.
2459 (insn_note): Remove NOTE_INSN_SETJMP.
2461 * profile.c (branch_prob): Add fake edges for setjmp.
2463 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
2465 * config.gcc: Quote target_cpu_default2 correctly for
2466 powerpc*-*-* targets.
2468 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
2470 * cpplib.h, line-map.h: Update comments.
2471 * cppmain.c (printer_init): Move inline.
2472 (maybe_print_line, print_line): Take a map pointer.
2473 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
2474 (cb_file_change): Don't use prior value of print.map.
2476 2001-08-07 David Edelsohn <edelsohn@gnu.org>
2478 * doc/install.texi: Document fine-grained multilib configuration.
2480 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2482 * rtlanal.c (find_first_parameter_load): Call note_stores
2483 only on the instructions.
2485 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2487 * alias.c (nonlocal_mentioned_p):
2488 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
2489 * calls.c (emit_call_1): Likewise.
2490 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
2491 * cselib.c (cselib_process_insn): Likewise.
2492 * df.c (df_insns_modify): Likewise.
2493 * flow.c (need_fake_edge_p): Likewise.
2494 (propagate_one_insn): Likewise.
2495 * haifa-sched.c (reemit_notes): Likewise.
2496 * integrate.c (copy_insn_list): Likewise.
2497 * jump.c (delete_prior_computation): Likewise.
2498 * local-alloc.c (validate_equiv_mem): Likewise.
2499 * loop.c (scan_loop): Likewise.
2500 * predict.c (estimate_probability): Likewise.
2501 * reload.c (reload): Likewise.
2502 * sched-deps (sched_analyze): Likewise.
2503 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
2504 * gcse.c (compute_hash_table): Likewise.
2505 (mark_call): Likewise.
2506 (store_killed_in_insn): Likewise.
2508 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
2510 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
2512 2001-08-06 Richard Henderson <rth@redhat.com>
2514 * varasm.c (assemble_gc_entry): Remove.
2515 * output.h: Likewise.
2517 2001-08-06 Richard Henderson <rth@redhat.com>
2519 * varasm.c (assemble_constructor): Take a symbol_ref and a
2520 priority instead of a bare string. Move priority handling
2521 here from cp/decl2.c.
2522 * output.h: Update decls.
2524 * c-decl.c (c_expand_body): Update calls to assemble_constructor
2525 and assemble_destructor.
2526 * profile.c (output_func_start_profiler): Likewise.
2527 * objc/objc-act.c (finish_objc): Likewise.
2528 (build_module_descriptor): Return the symbol not the symbol name.
2530 2001-08-06 David Edelsohn <edelsohn@gnu.org>
2532 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
2533 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
2534 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
2535 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
2536 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
2537 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
2539 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
2541 * cpperror.c (print_containing_files): Moved to line-map.c.
2542 (print_location): line-map.c handles re-listing or otherwise.
2543 * cpphash.h (struct lexer_state): Remove next_bol.
2544 (struct cpp_buffer): Remove include_stack_listed.
2545 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
2546 Remove faked buffer handling.
2547 (_cpp_do_file_change): Tweak.
2548 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
2549 * cppmain.c (struct printer): Remove filename.
2550 (print_line, cb_file_change): Update accordingly.
2551 * line-map.c: Include intl.h.
2552 (init_line_maps): Initialize last_listed.
2553 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
2554 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
2555 (print_containing_files): New.
2556 * line-map.h (struct line_maps): New member last_listed.
2557 (print_containing_files, INCLUDED_FROM): New.
2558 * Makefile.in: Update.
2559 * po/POTFILES.in: Add line-map.c.
2561 2001-08-06 Richard Henderson <rth@redhat.com>
2563 * except.c (convert_from_eh_region_ranges_1): Never mark
2564 USE or CLOBBER insns as throwing.
2566 * expr.c (store_constructor): Don't clobber memory targets.
2568 2001-08-06 Andreas Jaeger <aj@suse.de>
2570 * profile.c (branch_prob): Remove unused variable insn.
2572 * Makefile.in (local-alloc.o): Add dependency on except.h.
2574 * local-alloc.c: Include except.h for can_throw_internal prototype.
2576 2001-08-06 Richard Henderson <rth@redhat.com>
2578 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2579 * function.c (expand_main_function): Implement it.
2580 * doc/tm.texi: Document it.
2582 2001-08-06 Stan Shebs <shebs@apple.com>
2584 * doc/install.texi: Document powerpc-*-darwin* details.
2586 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
2588 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
2589 (ASM_CPU_SPEC): Move back to rs6000.h
2590 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
2592 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
2594 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
2597 * config/rs6000/linux64.h: Ditto.
2599 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
2600 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
2603 Remove accidently readded definitions of FUNCTION_PROLOGUE,
2604 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
2606 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
2609 2001-08-05 Richard Henderson <rth@redhat.com>
2611 * local-alloc.c (update_equiv_regs): Do not move insns that
2614 2001-08-05 Jan Hubicka <jh@suse.cz>
2616 * Makefile.in (reload1.o): Add dedendancy on except.h
2617 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
2619 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
2620 indicating wehther edges has been cleaned up.
2621 * reload1.c: Inlucde except.h
2622 (fixup_abnormal_edges): Accept deleted insns.
2623 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
2626 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
2628 * cpplib.c (do_line): Correct line number after pop_buffer.
2630 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
2632 PR preprocessor/3824
2633 * line-map.c: Update comments.
2634 * line-map.h: Update comments.
2635 * tradcif.y: Don't consider large numbers unsigned.
2637 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
2639 PR preprocessor/3081
2640 * c-lex.c (map): New.
2641 (cb_file_change): Update map and use it.
2642 (cb_def_pragma, cb_define, cb_undef): Use map and line.
2643 (c_lex): Update to use map.
2644 * cpperror.c (print_location): Move to using logical line numbers.
2645 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
2646 (cpp_make_system_header): Similarly.
2647 (_cpp_execute_include): Stop line numbering hacks. Store the
2648 line we will return to.
2649 * cpphash.h (CPP_BUF_LINE): Remove.
2650 (struct cpp_buffer): Remove lineno and pseudo_newlines.
2651 Add map and return_to_line.
2652 (_cpp_do_file_change): Update.
2653 * cppinit.c (cpp_start_read): Update line kludge.
2654 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
2655 (trigraph_ok): Use logical line numbers for diagnostics.
2656 (skip_block_comment): Likewise.
2657 (skip_whitespace): Likewise.
2658 (skip_line_comment): Use pfile->line instead.
2659 (_cpp_lex_token): Update to use logical line numbering exclusively.
2660 Handle BOL locally. Accept new lines in directives, but keep
2661 pfile->line decremented. Diagnostics use logical lines. Update
2663 * cpplib.c (SEEN_EOL): New.
2664 (skip_rest_of_line, check_eol): Use it.
2665 (end_directive): Increase line number when accepting the newline
2666 at the end of a directive.
2667 (run_directive): Simplify.
2668 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
2669 (_cpp_do_file_change): Update to take buffer line number as an
2670 argument, and store the current map in the cpp_reader. Remove
2671 line number kludges.
2672 (_cpp_do__Pragma): Restore output position after a _Pragma.
2673 (cpp_push_buffer): Don't set output line or lineno.
2674 (_cpp_pop_buffer): Transfer more info from a faked buffer.
2675 Remove line kludge. Set output_line.
2676 * cppmacro.c (builtin_macro): Update handling of __LINE__.
2677 (parse_arg): Use logical lines.
2678 (save_lookahead_token): Save EOFs too now.
2679 * cppmain.c (struct printer): Fix comments.
2680 (printer_init): Simplify, let caller do errors.
2681 (scan_translation_unit, check_multiline_token, dump_macro): Update.
2682 (maybe_print_line): Simplify.
2683 (print_line): Don't print a linemarker if -P.
2684 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
2685 (cb_file_change): Simplify.
2686 * line-map.h (LAST_SOURCE_LINE): Fix.
2687 (CURRENT_LINE_MAP): New.
2689 2001-08-05 Bernd Schmidt <bernds@redhat.com>
2691 * doloop.c (doloop_modify_runtime): Properly compute number of
2692 iterations if loop was unrolled.
2694 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
2695 if their CSELIB_VAL_PTRs are.
2697 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
2698 (setup_spill_pointers): Initialize it.
2699 (spill_restore_mem): Set it.
2700 (do_spill, do_restore): Use it to add REG_INC note.
2701 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
2703 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
2704 asms if other insns are available.
2706 * config/ia64/ia64.c (condop_operator): New predicate.
2707 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
2708 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
2711 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
2712 temporary register than directly using a MEM.
2714 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
2716 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
2717 parameter in last change.
2719 2001-08-04 Zack Weinberg <zackw@panix.com>
2721 * sparc.md: Don't use #if inside C test expression.
2723 2001-08-04 Richard Henderson <rth@redhat.com>
2725 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
2727 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
2729 * cpphash.h (struct cpp_reader): New member directive_line.
2730 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
2731 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
2732 do_pragma): Pass line to callbacks.
2733 (start_directive): Record line of directive.
2734 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
2735 cb_include): Similarly.
2736 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
2739 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
2741 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
2744 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2746 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
2748 * reload1.c (fixup_abnormal_edges): New static function.
2751 * flow.c (need_fake_edge_p): New function.
2752 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
2753 avoid call insn to be very last insn in the insn stream.
2755 * profile.c (branch_prob): Call flow_call_edges_add instead of
2756 doing that by hand; cleanup cfg to re-merge basic blocks once
2759 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2761 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
2762 are also on line-map.h.
2763 * cppfiles.c (stack_include_file): Update.
2764 * cpphash.h (struct cpp_buffer): New member return_at_eof.
2765 (_cpp_pop_buffer): New.
2766 * cppinit.c (cpp_destroy, cpp_finish): Update.
2767 (do_includes): Mark each buffer to return at EOF.
2768 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
2769 return as requested.
2770 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
2771 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
2772 * cpplib.h (cpp_pop_buffer): Remove.
2773 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
2774 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
2776 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
2778 (do_preprocessing): Update.
2779 * fix-header.c (read_scan_file): Update. No need to pop buffers.
2780 * c-parse.in (_yylex): Similarly.
2781 * scan-decls.c (scan_decls): Similarly.
2782 * line-map.h: Update comments.
2784 * objc/Make-lang.in (objc-act.o): Update dependencies.
2786 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2788 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
2789 and soft register for operand 0.
2790 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
2792 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2794 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
2795 register for operand 0.
2796 ("bitcmpqi_z_used"): Allow memory for operand 0.
2797 (split "bitcmpqi"): New split to handle address reg as operand 1.
2799 2001-08-04 Andreas Jaeger <aj@suse.de>
2801 * gcse.c: Revert Daniel's last patch.
2803 2001-08-03 Zack Weinberg <zackw@stanford.edu>
2805 * sparc-protos.h: Add prototypes for fp_zero_operand and
2807 * sh-protos.h: Add prototype for fpul_operand.
2809 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
2811 * doc/extend.texi (Other Builtins): Fix typo in last change.
2813 2001-08-03 Richard Henderson <rth@redhat.com>
2815 * target.h (gcc_target): Add asm_out.named_section,
2816 section_type_flags, have_named_sections.
2817 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
2818 (TARGET_HAVE_NAMED_SECTIONS): New.
2819 (TARGET_SECTION_TYPE_FLAGS): New.
2821 * Makefile.in (toplev.o): Depend on TARGET_H.
2822 (varasm.o, dbxout.o): Likewise.
2823 * c-common.c (decl_attributes): Check targetm.have_named_sections
2824 instead of ifdef ASM_OUTPUT_SECTION_NAME.
2825 * dbxout.c (dbxout_function_decl): Likewise.
2826 (dbxout_function_end): Likewise.
2827 * toplev.c (compile_file): Likewise.
2828 * varasm.c (exception_section): Likewise.
2829 * cp/decl2.c (finish_objects): Likewise.
2831 * defaults.h (EH_FRAME_SECTION): Remove.
2832 (EH_FRAME_SECTION_ASM_OP): Remove.
2833 (EH_FRAME_SECTION_NAME): New.
2834 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
2835 (UNIQUE_SECTION_P): Remove.
2836 * dwarf2out.c (SECTION_FORMAT): Remove.
2837 (ASM_OUTPUT_SECTION): Remove.
2838 (output_call_frame_info): Use named_section_flags.
2839 (output_comp_unit, dwarf2out_start_source_file): Likewise.
2840 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
2841 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
2842 * varasm.c (in_eh_frame, eh_frame_section): Remove.
2843 (named_section_flags): New.
2844 (named_section): Use it and targetm.section_type_flags.
2845 (resolve_unique_section): New.
2846 (assemble_start_function): Use it.
2847 (asm_emit_uninitialised, assemble_variable): Likewise.
2848 (default_section_type_flags): New.
2849 (default_no_named_section, default_elf_asm_named_section): New.
2850 (default_coff_asm_named_section, default_pe_asm_named_section): New.
2851 * output.h: Update varasm.c decls.
2852 (SECTION_*): New flags.
2854 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
2855 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
2857 * config/elfos.h (UNIQUE_SECTION_P): Remove.
2858 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
2859 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
2860 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
2861 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
2862 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
2863 * config/mips/elf.h, config/mips/elf64.h: Likewise.
2864 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
2865 * config/pa/pa64-hpux.h,
2867 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
2868 (TARGET_ASM_NAMED_SECTION): New.
2869 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
2870 * config/alpha/vms.h, config/arm/coff.h: Likewise.
2871 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
2872 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
2873 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
2874 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
2875 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
2876 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
2877 * config/i386/sco5.h, config/i386/win32.h: Likewise.
2878 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
2879 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
2880 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
2881 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
2882 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
2883 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
2884 * config/sparc/sysv4.h: Likewise.
2886 * config/nextstep.h: Error until named sections implemented.
2888 * config/a29k/a29k.c (a29k_asm_named_section): New.
2889 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
2890 (vms_section_type_flags, vms_asm_named_section): New.
2891 * config/arm/arm.c (arm_elf_asm_named_section): New.
2892 * config/avr/avr.c (asm_output_section_name): Remove.
2893 * config/avr/avr-protos.h: Update.
2894 * config/c4x/c4x.c (c4x_asm_named_section): New.
2895 * config/h8300/h8300.c (h8300_asm_named_section): New.
2896 * config/i386/i386.c (sco_asm_named_section): New.
2897 * config/i386/winnt.c (SECTION_PE_SHARED): New.
2898 (i386_pe_section_type_flags): New.
2899 (i386_pe_asm_named_section): New.
2900 * config/i386/i386-protos.h: Update.
2901 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
2902 * config/mcore/mcore.c (mcore_asm_named_section): New.
2903 * config/mips/mips.c (iris6_asm_named_section): New.
2904 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
2905 instead of UNIQUE_SECTION_P.
2906 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
2907 (xcoff_asm_named_section): New.
2908 * config/sh/sh.c (sh_asm_named_section): New.
2909 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
2911 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
2912 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
2913 (EH_FRAME_SECTION_NAME): New.
2914 (EXCEPTION_SECTION): New.
2915 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
2916 (DEBUG_*_SECTION): Remove.
2917 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
2918 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
2919 (EH_FRAME_SECTION_ASM_OP): Remove.
2921 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
2922 (ASM_OUTPUT_SECTION_NAME): Remove.
2923 (TARGET_ASM_NAMED_SECTION): New.
2924 (TARGET_HAVE_NAMED_SECTIONS): New.
2925 (TARGET_SECTION_TYPE_FLAGS): New.
2926 (EH_FRAME_SECTION_ASM_OP): Remove.
2927 (EH_FRAME_SECTION_NAME): New.
2929 2001-08-03 Zack Weinberg <zackw@stanford.edu>
2931 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
2932 for complex expressions when cfun == 0.
2933 * doc/extend.texi: Document that __builtin_constant_p can be
2934 used in data initializers as well as functions.
2936 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
2938 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
2939 variable I locally, instead of expecting a declaration in the
2942 2001-08-03 Richard Henderson <rth@redhat.com>
2944 * except.c (collect_one_action_chain): Add an explicit cleanup
2945 action if regions surrounding a catch were encoded entirely
2946 within the call-site entry.
2948 2001-08-03 Richard Henderson <rth@redhat.com>
2950 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
2951 don't take REGNO of a non-register.
2953 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2955 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
2956 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
2957 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
2958 (__gthread_mutex_init_function): New function for mutex initialization.
2960 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
2962 * Makefile.in: Revert screwed up commit.
2964 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2966 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
2967 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
2968 merged by linker script to get a final _exit().
2969 (__do_global_dtors): New for destructor handling in specific exit
2971 (__do_global_ctors): New for constructors in specific install section.
2972 (__map_data_section): Map data sections before running constructors.
2973 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
2974 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
2975 (DTORS_SECTION_ASM_OP): Likewise.
2976 (CTORS_SECTION_FUNCTION): Define to force a reference to
2978 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
2980 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
2982 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
2984 * Makefile.in: Add df.h to gcse.c dependencies.
2986 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2988 * varasm.c (output_constant_def_contents): Use for the length of a
2989 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
2990 depending on which is larger.
2992 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
2994 * gcse.c: Include df.h for use as a dataflow analyzer.
2996 Declaration of reg_set_info: gone.
2997 New df_analyzer variable used by store motion.
2998 (reg_set_info): Deleted.
2999 (mark_mem_regs): New function, analyze regs used by a mem.
3000 (store_ops_ok): Use dataflow analyzer results to determine if
3001 necessary regs are changed in the block.
3002 (find_moveable_store): Remove check for symbol ref, we can handle
3003 much more complex expressions now.
3004 (compute_store_table): Remove most of the code, it's unnecessary
3005 now that the dataflow analyzer records the info for us.
3006 (store_killed_after): Add parameter to say whether to do the
3007 store_ops_okay test, used to speed up testing when we already know
3008 the answer, and just want to know if the store itself was killed.
3009 (build_store_vector): Largely rewritten to calculate the various
3010 vectors properly, and somewhat optimized.
3011 (store_motion): Init the df_analyzer, get REG_DEF chains.
3012 Also handle trapping expressions (since mems almost always trap)
3013 (simple_mem): Redefine what a simple mem is.
3015 2001-08-03 DJ Delorie <dj@redhat.com>
3017 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
3018 set from a constant part of the condition.
3020 2001-08-01 Andrew Cagney <ac131313@redhat.com>
3022 * mkdeps.c (deps_add_default_target): Make local variable
3023 ``start'' a const char pointer.
3024 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
3026 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3028 * doc/install.texi (Configuration): Fix markup.
3029 (Specific, i?86-*-udk): Likewise.
3030 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
3032 Document --enable-threads and --enable-libgcj status.
3033 (Specific, mips-sgi-irix*): Canonicalize triples.
3034 (Specific, mips-sgi-irix5): Warn about problems with this config.
3035 Mention required GNU as patch.
3036 Native assembler problems are fixed.
3037 (Specific, mips-sgi-irix6): Update O32 ABI support status.
3038 Document --enable-threads and --enable-libgcj status.
3040 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
3042 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
3045 2001-08-03 Richard Henderson <rth@redhat.com>
3047 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
3050 2001-08-03 Richard Henderson <rth@redhat.com>
3052 * rtlanal.c (find_first_parameter_load): Stop if we
3053 reach a CODE_LABEL at BOUNDARY.
3055 2001-08-03 Richard Henderson <rth@redhat.com>
3057 * config/alpha/alpha.md (force_movdi): New insn.
3058 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
3059 Tweek FRP marking of VMS prologue insns.
3060 * config/alpha/vms.h (EPILOGUE_USES): New.
3062 2001-08-02 Richard Henderson <rth@redhat.com>
3064 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
3066 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
3068 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
3069 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
3070 config/convex/convex.h, config/d30v/d30v.c,
3071 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
3072 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
3073 config/mips/mips.h, config/mn10200/mn10200.h,
3074 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
3075 config/v850/v850.h, config/vax/openbsd.h,
3076 config/vax/openbsd1.h, config/vax/ultrix.h,
3077 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
3078 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
3079 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
3080 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
3081 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
3082 in comments and documentation.
3084 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3088 * Makefile.in (line-map.o): New.
3089 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
3090 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
3091 * cpperror.c (print_containing_files): Similarly.
3092 (print_location): Update. Don't output a space before _Pragma.
3093 * cppfiles.c (stack_include_file): Set to line 1 immediately.
3094 (stack_include_filee, cpp_make_system_header): Update.
3095 (_cpp_execute_include): Get logical line number right for calling
3096 as-yet-unterminated #include.
3097 * cpphash.h (struct cpp_reader): Add line_maps.
3098 (_cpp_do_file_change): Update.
3099 * cppinit.c (cpp_create_reader): Initialize line maps.
3100 (cpp_destroy): Destroy line maps.
3101 (cpp_start_read): Get logical line number right.
3102 * cpplex.c (parse_string): Only warn once for multi-line strings.
3103 Use boolean variable for null warning.
3104 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
3106 (do_include_common): End the directive early.
3107 (do_line): Don't warn about out-of-range lines in preprocessed
3108 source. Update. Remove unused variables.
3109 (_cpp_do_file_change): Update for new line mapping.
3110 (pragma_cb): New typedef.
3111 (cpp_register_pragma): Stop looking ahead before calling the
3113 (do_pragma_system_header): End directive early.
3114 (cpp_get_line_maps): New.
3115 (cpp_pop_buffer): Fudge logical line. Update.
3116 * cpplib.h: Include line-map.h
3117 (enum cpp_fc_reason): Remove.
3118 (struct cpp_file_change): Update.
3119 (cpp_get_line_maps): New.
3120 * cppmain.c (struct_printer): New member map.
3121 (cb_file_change): Update for new mappings.
3122 * fix-header.c (cb_file_change): Similarly.
3124 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
3126 * Makefile.in (libgcc.mk): Define mkinstalldirs.
3127 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
3129 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
3131 * config/vax/vax.c: include expr.h.
3133 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
3135 * Makefile.in ($(srcdir)/configure): Only rebuild in
3137 ($(srcdir)/config.in): Only define in maintainer mode.
3138 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
3140 2001-08-02 David Edelsohn <edelsohn@gnu.org>
3142 * doc/install.texi (Install GCC: Binaries): Update Bull info.
3144 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3146 * gcc.c (set_collect_gcc_options): New function, split out from
3148 Ignore elided switches.
3149 (do_spec_1): Invoke before executing command.
3150 (set_input): Export.
3151 Move declaration ...
3152 * gcc.h (set_input): ... here.
3153 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3156 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
3159 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
3161 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
3163 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
3165 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
3166 for the unnamed instructions it expands to.
3168 2001-08-02 Richard Henderson <rth@redhat.com>
3170 * regclass.c (call_really_used_regs): Conditionally define.
3171 (init_reg_sets_1): Don't use it if not defined.
3172 (fix_register): Similarly, don't set it.
3174 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3176 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
3177 Correct comment that had been missed in the previous change.
3179 2001-08-01 Stan Shebs <shebs@apple.com>
3181 * config/darwin.c (machopic_stub_name): Try matching by name.
3182 (update_stubs): New function.
3183 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
3186 2001-08-01 Richard Henderson <rth@redhat.com>
3188 * except.c (output_function_exception_table): Use assemble_align.
3189 * varasm.c (assemble_eh_label): Remove.
3190 (assemble_eh_align, assemble_eh_integer): Remove.
3192 2001-08-01 Robert Lipe <robertl@caldera.com>
3194 * dwarfout.c: Remove reference to README.DWARF.
3196 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
3198 * regclass.c (call_really_used_regs): New array for registers which
3199 are actually used by a call.
3200 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
3202 (fix_register): Set call_really_used too.
3203 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
3204 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
3206 2001-08-01 Richard Henderson <rth@redhat.com>
3208 * read-rtl.c (read_name): Consider \r whitespace.
3210 2001-07-11 Andrew Cagney <ac131313@redhat.com>
3212 * config.gcc: Recognize powerpc-*-netbsd*.
3214 * doc/install.texi (Host/target specific installation notes for
3215 GCC): Mention powerpc-*-netbsd*.
3217 * config/rs6000/netbsd.h: New file.
3218 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
3219 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
3220 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
3221 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
3222 (TARGET_VERSION): Redefine.
3224 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
3225 mcall-netbsd as a match for mcall-sysv.
3226 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
3227 (ncrti.S, ncrtn.S): New targets.
3228 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
3230 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
3231 "netbsd' as a V4 ABI.
3232 (ASM_SPEC): Check for -mcall-netbsd.
3233 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
3234 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
3235 (LIB_SPEC, ENDFILE_SPEC): Ditto.
3236 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
3237 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
3238 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
3239 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
3241 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
3242 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
3244 2001-08-01 Mark Kettenis <kettenis@gnu.org>
3246 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
3247 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
3248 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
3249 including "unwind-pe.h".
3251 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
3253 * rs6000.md (define_splits): Kill unused constraints.
3255 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
3256 Jan Hubicka <jh@suse.cz>
3258 * function.c (thread_prologue_and_epilogue_insns): Kill code
3259 dealing with non-existent CFG.
3261 2001-08-01 Kazu Hirata <kazu@hxi.com>
3263 * alias.c: Fix comment formatting.
3264 * bitmap.c: Likewise.
3265 * builtins.c: Likewise.
3266 * calls.c: Likewise.
3267 * c-common.c: Likewise.
3268 * c-decl.c: Likewise.
3269 * c-dump.c: Likewise.
3270 * c-lex.c: Likewise.
3271 * collect2.c: Likewise.
3272 * combine.c: Likewise.
3273 * conflict.c: Likewise.
3274 * cppfiles.c: Likewise.
3275 * cppinit.c: Likewise.
3276 * cpplex.c: Likewise.
3277 * cpplib.c: Likewise.
3278 * cppmacro.c: Likewise.
3279 * cppspec.c: Likewise.
3280 * c-pragma.c: Likewise.
3281 * crtstuff.c: Likewise.
3283 * cselib.c: Likewise.
3284 * c-semantics.c: Likewise.
3285 * c-typeck.c: Likewise.
3287 2001-08-01 H.J. Lu <hjl@gnu.org>
3289 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
3291 2001-08-01 H.J. Lu <hjl@gnu.org>
3293 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
3295 2001-08-01 Ziemowit Laski <zlaski@apple.com>
3297 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
3298 contextualizing Objective-C class name lookup by the lexer.
3299 (typespec_reserved_nonattr): Disable ObjC class name lookup after
3301 (protocoldef): Add support for forward @protocol declarations.
3302 (yylexname): Suppress ObjC class name lookup in certain contexts;
3303 re-enable after lookup is complete.
3304 (_yylex): Re-enable ObjC class name lookup when certain
3305 punctuation marks are seen.
3307 * objc/objc-act.c (check_protocol_recursively): New function used
3308 for finding circular dependencies in protocols.
3309 (objc_declare_protocols): New function for handling forward
3310 @protocol declarations.
3311 (receiver_is_class_object): Detect the case when 'self' is used
3312 inside of a class method.
3313 (build_message_expr): Issue a warning if class method is desired
3314 but instance method is found instead.
3315 (conforms_to_protocol): Streamline.
3316 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
3317 protocol Foo, even if 'Bar foo' does not.
3318 (check_protocols): Streamline.
3319 (start_protocol): Add checks for circular and duplicate protocol
3321 (encode_aggregate_within): For typedefs of structs, encode the
3323 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
3324 (objc_declare_protocols): New prototype.
3326 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3328 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
3329 * cpplex.c (handle_newline): Update prototype. Maintain logical
3331 (skip_escaped_newlines, skip_block_comment, parse_string):
3333 (_cpp_lex_token): Update, and store token position within the token.
3334 * cpplib.h (struct cpp_token): Add line and column entries.
3335 * cppmacro.c (replace_args): Position stringified tokens correctly.
3337 2001-08-01 Andreas Jaeger <aj@suse.de>
3339 * basic-block.h: Add prototype for last_loop_beg_note.
3341 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
3343 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
3344 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
3346 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
3347 while handling WITH_CLEANUP_EXPR node. Use second operand calling
3348 expand_decl_cleanup.
3349 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
3351 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
3352 operand while calling simple_cst_equal.
3353 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
3354 operand is the cleanup expression, the third is the RTL_EXPR.
3355 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
3357 2001-07-31 Jeff Sturm <jsturm@one-point.com>
3359 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
3361 2001-07-31 matthew green <mrg@eterna.com.au>
3363 * config.gcc (i386-*-netbsdelf): New description.
3364 * config/i386/netbsd-elf.h: New file.
3366 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
3368 * loop.c (check_dbra_loop): Use single_set to compute
3371 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
3373 PowerPC reorg and support for powerpc64-*-linux*.
3375 Also fixes emitting of constants on 32 bit and 64 bit
3378 * config.gcc: powerpc64-*-linux* is a new target.
3379 Things that needed aix.h now also include xcoff.h
3381 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
3383 Move AIX specific stuff into aix.h.
3384 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
3385 with more than just XCOFF now.
3386 (SET_ASM_OP): Remove, now defined where needed.
3387 (FUNCTION_PROLOGUE): New macro definition.
3388 (FUNCTION_EPILOGUE): New macro definition.
3389 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
3391 * config/rs6000/xcoff.h: New file.
3393 * config/rs6000/linux64.h: New file.
3395 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
3397 2001-07-31 Alan Modra <amodra@bigpond.net.au>
3399 * rs6000.c (print_operand_address): Handle ELF syntax.
3400 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
3401 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
3402 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
3404 2001-07-31 David Edelsohn <edelsohn@gnu.org>
3406 * rs6000.c (rs6000_override_options): Only disable
3407 flag_function_sections for XCOFF.
3408 (exact_log2_cint_operand): New predicate.
3409 (reg_or_{add,sub}_cint64_operand): New predicates.
3410 (add_operand): Compare CONST_INT with fewer function calls.
3411 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
3412 (print_operand, case 'p'): Ensure positive operand.
3413 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
3414 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
3415 (PREDICATE_CODES): Add new predicates.
3416 * rs6000.md (addsi3): Split 32-bit constants more correctly.
3417 (divsi3, modsi3): Ensure positive power-of-2.
3418 (adddi3): Use new predicate. Split 32-bit constants more
3419 correctly. Re-arrange splitter to handle any constant.
3420 (subdi3): Use new predicate.
3421 (divdi3, moddi3): Ensure positive power-of-2.
3422 (movdi): Use rs6000_emit_set_const.
3423 (load_toc_v4_pic_di): Delete.
3425 2001-07-31 Graham Stott <grahams@redhat.com>
3427 * function.c (pad_below): Revert 2001-07-26 patch.
3429 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3431 * reg-stack (convert_regs_1): Fix best edge condition.
3433 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3435 * jump.c (duplicate_loop_exit_test): Better test for jumps
3436 entering the loop; create loop pre_header.
3438 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
3440 * doc/install.texi: Add s390 and s390x as new targets.
3441 * doc/invoke.texi: Add documantation of S/390 and zSeries
3443 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
3445 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
3447 * config/m68k/m68k.md: Replace all general_operand with
3448 nonimmediate_operand for all destinations.
3449 * config/m68k/m68k.c (not_sp_operand): Likewise.
3451 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
3453 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
3455 2001-07-30 Richard Henderson <rth@redhat.com>
3457 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
3458 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
3460 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
3462 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
3463 Add missing doc strings
3464 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
3465 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
3467 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
3469 * i386.c (ix86_output_main_function_alignment_hack): New function.
3470 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
3472 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
3473 edges by EDGE_DFS_BACK flag.
3474 (dump_edge_info): Add dfs_back flag.
3475 * basic-block.h (EDGE_DFS_BACK): New constant.
3476 (mark_dfs_back_edges): Declare.
3477 * alias.c (loop_p): Remove.
3478 (mark_constant_function): Use mark_dfs_back_edges.
3480 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
3481 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
3482 (compensate_edge): Break out from ...
3483 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
3484 (convert_regs_2): Set block_done once block is really done;
3485 Do updating of the predecesors counts.
3487 * toplev.c (rest_of_compilation): Recompute block_for_insn
3488 before post-reload cfg_cleanup.
3489 * function.c (thread_prologue_epilogue_insns):
3490 Call set_block_for_new_insns when emitting prologue directly.
3492 2001-07-30 Andreas Jaeger <aj@suse.de>
3494 * jump.c: Add prototype for mark_modified_reg.
3496 * cse.c (set_live_p): Add unused attribute.
3498 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
3500 (scan_for_source_files): Use long for count to avoid overflow.
3501 (output_data): Likewise.
3502 (output_data): Don't use string concatatenation to silence gcc
3505 * predict.c: Fix typos and grammar.
3507 * gcse.c (insert_insn_end_bb): Remove unused variables.
3509 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
3511 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
3512 (attempt_auto_inc): LIkewise.
3513 (mark_used_reg): Likewise.
3514 (try_pre_increment_1): Likewise.
3515 * regclass.c (regclass): Likewise.
3516 * global.c (allocno_compare): Update comment; change scaling factor.
3517 * local-alloc.c (QTY_CMP_PRI): Likewise.
3518 * regs.h (REG_FREQ_FROM_BB): New.
3519 (REG_FREQ_MAX): Likewise.
3521 2001-07-30 H.J. Lu <hjl@gnu.org>
3523 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
3526 2001-07-30 H.J. Lu (hjl@gnu.org)
3528 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
3529 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
3530 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
3532 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
3534 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
3535 as -mthumb-interwork when -mcpu=arm7 is specified.
3537 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3539 * predict.def (noreturn, loop branch, loop exit): Mark as first
3542 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
3544 * combine.c (try_combine): Avoid barrier after noop jumps.
3546 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3548 * cpphash.h (struct cpp_reader): Remove import_warning.
3549 * cpplib.c (skip_rest_of_line): Don't bother turning off
3551 (parse_include): Move include handling to...
3552 (do_include_common): ... here. Move import warning from...
3553 (do_import): ... here.
3554 (do_pragma_poison): Don't do a callback for poison identifiers.
3555 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
3556 * cppmain.c (setup_callbacks): Similarly.
3558 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3560 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
3561 handle multiple sets.
3562 * except.c (sjlj_mark_call_sites): .... here.
3563 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
3565 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3567 Suggested by Richard Henderson and Richard Kenner:
3568 * combine.c (recog_for_combine): Use the fake recog
3569 only if instruction does not match.
3570 * rtl.h (NOOP_MOVE_INSN_CODE): New.
3571 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
3573 * combine.c (try_combine): Discover noop jump as direct jump.
3575 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
3577 * df.c (df_rd_global_compute): Add successors to worklist, not
3579 (df_ru_global_compute): Ditto.
3581 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
3583 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
3584 increment REG_N_SETS.
3586 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
3588 * sbitmap.h: New prototype for sbitmap_a_xor_b.
3590 * sbitmap.c (sbitmap_a_xor_b): New function.
3591 ifdef the basic block stuff on IN_GCC.
3593 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3595 * cppexp.c (parse_defined): Always record the macro name.
3596 (lex): Don't worry about identifiers, or special-case
3598 (_cpp_parse_expr): Figure out at the end of the routine
3599 whether we saw a valid !defined() expression.
3600 * cppfiles.c (stack_include_file): Update for mi_valid.
3601 (_cpp_pop_file_buffer): Similarly.
3602 * cpplex.c (_cpp_lex_token): Similarly.
3603 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
3604 mi_if_not_defined, mi_lexed): Remove.
3606 * cpplib.c (do_if): Simplify.
3607 (do_endif, push_conditional, _cpp_handle_directive): Update
3608 for renaming of mi_state to mi_valid.
3610 * cpp.texi: Add index entries for digraphs, and add comment
3611 that C++ refers to them as alternative tokens.
3613 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
3615 * basic-block.h (CLEANUP_PRE_LOOP): New.
3616 * except.c (finish_eh_generation): Update call of cleanup_cfg.
3617 * sibcall.c (optimize_sibling_calls): Likewise.
3618 * toplev.c (rest_of_compilation): Likewise.
3619 * flow.c (try_forward_edges): Take argument MODE;
3620 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
3621 (try_optimize_cfg): Update call of try_forward_edges.
3623 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
3624 Jan Hubicka <jh@suse.cz>
3626 * (validate_replace_rtx_1): Fix simplification of MINUS.
3628 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
3630 PR preprocessor/3669
3631 * cppinit.c (init_dependency_output): Turn off dump requests
3632 if sending dependencies to stdout.
3634 2001-07-28 Richard Henderson <rth@redhat.com>
3636 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
3639 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
3641 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
3643 2001-07-28 Kazu Hirata <kazu@hxi.com>
3645 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
3646 is VAR_DECL first to prevent an ICE.
3648 2001-07-28 Richard Henderson <rth@redhat.com>
3650 * varasm.c (immed_real_const_1): Don't elide special cases for
3652 (clear_const_double_mem): Clear const_tiny_rtx too.
3654 2001-07-28 Richard Henderson <rth@redhat.com>
3656 * dwarf2out.c (dw_val_class_offset): New.
3657 (struct dw_ranges_struct, dw_ranges_ref): New.
3658 (ranges_table, ranges_table_allocated): New.
3659 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
3660 (add_AT_offset, add_ranges, output_ranges): New.
3661 (print_die, output_die): Handle dw_val_class_offset.
3662 (attr_checksum, size_of_die, value_format): Likewise.
3663 (gen_lexical_block_die): Handle non-contiguous blocks.
3664 (gen_block_die): Likewise.
3665 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
3666 if needed. Dump the ranges table.
3667 * final.c (final_start_function): Remove unnecessary notes and
3668 rebuild the block tree before numbering the blocks.
3669 * function.c (reorder_blocks_0): Walk the existing block tree
3670 to unmark all blocks.
3671 (reorder_blocks_1): Create block fragments when duplicate block
3673 (reorder_fix_fragments): New.
3674 (reorder_blocks): Call it.
3675 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
3677 2001-07-28 Richard Henderson <rth@redhat.com>
3679 * emit-rtl.c (adjust_address): Make a copy of the memory address.
3681 2001-07-28 Richard Henderson <rth@redhat.com>
3683 * flow.c (add_to_mem_set_list): New function.
3684 (init_propagate_block_info): Use it.
3685 (mark_set_1): Likewise.
3686 (insn_dead_p): Canonicalize memory address for dead store
3687 comparison. Allow wider mode stores to kill narrower mode stores.
3688 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
3689 (invalidate_mems_from_set): Don't handle MEMs.
3691 2001-07-28 Kazu Hirata <kazu@hxi.com>
3693 * config/h8300/h8300.h: Fix formatting.
3695 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3697 * basic-block.h (EDGE_FREQUENCY): New macro.
3698 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
3700 * flow.c (find_sub_basic_blocks): Likewise.
3701 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
3702 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
3704 * predict.c (DEF_PREDICTOR): New argument FLAGS.
3705 (HITRATE): New macro.
3706 (PRED_FLAG_FIRST_MATCH): New constant.
3707 (predictor_info): New field flgags.
3708 (combine_predictions_for_insn): Use DS theory to combine
3709 probabilities; set the edge probabilities when finished.
3710 (estimate_probability): Avoid duplicated matches
3711 of LOOP_BRANCH heuristics for nested loops; update comment.
3712 * predict.def: Add flags for each prediction, set probabilities
3713 according to B&L paper.
3714 * predict.h (DEF_PREDICTOR): New argument FLAGS.
3716 * profile.c (compute_branch_probabilities): Cleanup way the edge
3717 probabilities are computed and REG_BR_PROB notes are dropped; if
3718 values does not match, emit error.
3719 (init_branch_prob): Do error instead of warning when profile driven
3720 feedback is missing or corrupt.
3722 2001-07-27 DJ Delorie <dj@redhat.com>
3724 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
3725 against a constant, try to adjust the compare to have the desired
3726 constant in it so that min/max optimizations happen more often.
3728 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3730 * flow.c (last_loop_beg_note): New function.
3731 (redirect_edge_and_branch): Use it.
3732 (split_edge): Likewise.
3734 * alias.c (loop_p): Avoid uninitialized memory access.
3736 * flow.c (try_forward_edges): Avoid accessing freed memory.
3738 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
3741 2001-07-26 Andrew Haley <aph@redhat.com>
3742 Joern Rennecke <amylaar@redhat.com>
3744 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
3745 (SUBTARGET_CPP_ENDIAN_SPEC): New.
3746 (SUBTARGET_CPP_SPEC): New.
3748 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
3749 (SUBTARGET_CPP_PTR_SPEC): New.
3750 (CPP_DEFAULT_CPU_SPEC): New.
3751 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
3752 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
3753 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
3754 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
3755 (SUBTARGET_CPP_SPEC): Define as an empty string.
3757 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3759 * doc/install.texi (Configuration): Properly link the host
3760 specific instructions also when generating HTML.
3762 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
3764 * flow.c (redirect_edge_and_branch_force): Test
3765 target->global_live_at_start.
3767 2001-07-26 Richard Henderson <rth@redhat.com>
3769 * simplify-rtx.c (avoid_constant_pool_reference): Export.
3770 * rtl.h (avoid_constant_pool_reference): Declare it.
3771 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
3772 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
3774 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3776 * rtl.h (cleanup_barriers): Declare.
3777 * jump.c (cleanup_barriers): New function.
3778 * toplev.c (rest_of_compilation): Call cleanup_barriers
3779 before loop optimizer and after bb_reorder.
3781 * flow.c (back_edge_of_syntactic_loop_p): New.
3782 (split_edge): Use it.
3784 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3786 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
3788 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
3790 * cse.c (cse_process_notes): Replace any registers if the address
3793 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
3795 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
3796 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
3797 (propagate_block): Update prototype.
3798 * flow.c (update_life_info): Simplify the CFG and
3799 recalculate the global regs which are alive when
3800 removing dead code during a global update.
3801 (propagate_block): Return non-zero if an INSN is
3804 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3806 * Makefile.in (LIBICONV): Define.
3808 2001-07-26 Catherine Moore <clm@redhat.com>
3810 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
3811 of conditional to avoid tree checking errors.
3813 2001-07-26 Kazu Hirata <kazu@hxi.com>
3815 * regmove.c (regmove_optimize): Don't replace a reg with
3816 another reg of a different mode.
3818 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
3820 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
3821 limit length of dependancy flush list.
3822 * params.h (MAX_PENDING_LIST_LENGTH): Define.
3823 * sched-int.h (struct deps): Add pending_flush_length field.
3824 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
3825 has 1 element in it.
3826 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
3827 (sched_analyze): After a jump, if the pending memory flush list is too
3828 large, flush the pending lists.
3829 (init_deps): Initialize pending_flush_length to 0.
3830 * doc/invoke.texi (max_pending_list_length): Document parameter.
3832 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
3834 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
3835 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
3836 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
3838 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3840 * cpphash.h (struct_lexer_state): Delete was_skipping.
3841 Move skipping here from struct cpp_reader.
3842 * cpplex.c (parse_identifier): Update.
3843 (_cpp_lex_token): Don't skip tokens in a directive.
3844 * cpplib.c (struct if_stack): Update.
3845 (start_directive, end_directive): Don't change skipping state.
3846 (_cpp_handle_directive): Update.
3847 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
3848 (do_else, do_endif): Update; only check for excess tokens if not
3849 in a skipped conditional block.
3850 (push_conditional): Update for new struct if_stack.
3852 2001-07-26 Graham Stott <grahams@redhat.com>
3854 * function.c (locate_and_pad_parm): Also pad initial offset
3855 so that the total argument size also includes the padding.
3857 2001-07-26 Graham Stott <grahams@redhat.com>
3859 * gensupport.c (alter_output_for_insn): Correct enable checking failure
3860 change XSTR to XTMPL.
3862 (process_one_cond_exec): Likewise
3864 2001-07-25 Richard Henderson <rth@redhat.com>
3866 * varasm.c (assemble_variable): Create DECL_RTL before setting
3869 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
3871 * predict.c (estimate_probability): Avoid duplicated predictions.
3873 * loop.c (find_and_verify_loops): Grok multiple barriers.
3875 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3877 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
3879 * dbxout.c: Consistently use putc instead of fputc.
3880 (print_wide_int): New function; call instead of direct fprintf.
3881 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
3882 (dbxout_type_fields, dbxout_type_method_1): Likewise.
3883 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
3884 (print_int_cst_octal): Likewise.
3885 (print_octal): Show we wrote characters.
3886 (dbxout_type): Set have_used_extensions in more places.
3888 2001-07-25 Catherine Moore <clm@redhat.com>
3890 * config/v850/v850.c (v850_va_arg): Use addr
3891 instead of valist to build incr.
3893 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
3895 * flow.c (delete_dead_jumptables): New function.
3896 (life_analyzis): Call it.
3897 * bb-reorder.c (skip_insns_after_block): Handle contradictory
3900 2001-07-25 Richard Henderson <rth@redhat.com>
3902 * except.c (reachable_handlers): Handle a region being removed
3903 out from under a RESX.
3905 2001-07-25 Richard Henderson <rth@redhat.com>
3907 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
3908 swap GE/GT if it is an fp comparison.
3910 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
3912 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
3915 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
3917 * ssa.c (rename_insn_1): Do not wrap an assignment to a
3918 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
3921 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
3923 (visit_expression): When attempting to simplify an expression,
3924 retrieve any modes for arguments before they are simplified
3927 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
3928 Janis Johnson <janis@us.ibm.com>
3930 * stmt.c (expand_goto): A nonlocal goto can be a call too.
3931 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
3932 pointer parameters to match documented usage of nonlocal_goto.
3933 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
3934 parameters to their correct order.
3935 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
3936 parameters to their correct order.
3938 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
3940 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
3942 2001-07-25 Jan Hubicka <jh@suse.cz>
3943 Richard Henderson <rth@redhat.com>
3945 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
3947 (make_edges): New argument update_p; populate the edge cache if set.
3948 (find_basic_blocks): Update make_edges invocation.
3950 2001-07-24 Joel Sherrill <joel@OARcorp.com>
3952 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
3954 2001-07-24 Joel Sherrill <joel@OARcorp.com>
3956 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
3957 -Acpu and -Amachine.h.
3958 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
3959 Corrected header to say ELF not a.out.
3960 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
3961 when given -msoft-float.
3963 2001-07-24 Joel Sherrill <joel@OARcorp.com>
3965 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
3966 extra multilib parts like arm-elf.
3967 (i960-*-coff*, i960-*-rtems): Should not use collect2.
3968 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
3969 crtfini.o as extra multilib parts.
3971 2001-07-24 Joel Sherrill <joel@OARcorp.com>
3973 * configure.in: Add rtems as a supported thread model.
3974 * gthr-rtems.h: Add missing entry point __gthread_active_p.
3975 * configure: Rebuilt.
3977 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
3979 * stor-layout.c (get_mode_alignment): make it work when
3980 BITS_PER_UNIT is not a power of two.
3981 * builtins.c (get_pointer_alignment): Likewise.
3983 2001-07-24 Richard Henderson <rth@redhat.com>
3985 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
3986 the retrieved constant into the expected mode.
3988 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3990 * flow.c (try_simplify_condjump): Avoid duplicated edges.
3991 (verify_flow_info): Check for duplicated edges; clarify
3994 * flow.c (block_label): Update basic_block_for_insn.
3995 (commit_edge_insertions): Call compute_bb_for_insn.
3997 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
4000 * flow.c (redirect_edge_and_branch,
4001 try_optimize_cfg): Use redirect_edge_succ_nodup
4002 (redirect_edge_succ_nodup): New.
4003 * basic_block.h (redirect_edge_succ_nodup): Declare.
4005 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
4008 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
4010 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
4011 (try_crossjump_to_edge): Update commetns.
4012 (try_crossjump_bb): Likewise.
4014 2001-07-24 Richard Henderson <rth@redhat.com>
4016 * combine.c (distribute_notes): Move set of need_refresh
4017 for noop_move_p down to catch all cases.
4019 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
4021 * recog.c (split_all_insns_noflow): New.
4022 * rtl.h (split_all_insns_noflow): Declare.
4023 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
4024 * m68hc11.c (m68hc11_reorg): Likewise.
4025 * sh.c (machine_dependent_reorg): Likewise.
4026 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
4029 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
4031 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
4032 (ashlsi3_n splitter): Likewise.
4033 (lshrsi3_n splitter): Likewise.
4035 (GOTaddr2picreg): Make const SImode.
4036 (sym_label2reg): Likewise.
4037 (symGOT2reg): Likewise.
4038 (symGOTOFF2reg) Likewise.
4040 (casesi_worker_0): Make unspec SImode.
4042 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
4044 * config/sh/sh.c (barrier_align): Check that an operand really is
4045 an insn before extracting its INSN_CODE.
4047 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
4049 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
4052 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
4053 for SImode to prevent overflow.
4055 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4057 * config/mips/irix6-libc-compat.c: New file.
4058 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
4059 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
4062 2001-07-24 lars brinkhoff <lars@nocrew.org>
4064 * rtl.texi (REG_POINTER): Document.
4065 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
4066 QFmode, HFmode, TQFmode, QCmode, and HCmode.
4068 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
4070 * flow.c (delete_noop_moves): Do not confuse libcall regions.
4072 2001-07-23 Richard Henderson <rth@redhat.com>
4074 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
4076 2001-07-23 Kazu Hirata <kazu@hxi.com>
4078 * config/h8300/h8300-protos.h: Add a prototype for
4079 general_operand_dst_push.
4080 * config/h8300/h8300.c (general_operand_dst_push): New.
4081 * config/h8300/h8300.h (OK_FOR_T): New.
4082 (EXTRA_CONSTRAINT): Use it.
4083 * config/h8300/h8300.md (movqi_push): Remove and integrate into
4084 the existing movqi pattern.
4085 (movhi_push): Likewise.
4087 * reload.c: Fix comment typos.
4089 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
4091 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
4093 2001-07-23 H.J. Lu (hjl@gnu.org)
4095 * doc/extend.texi: Update __builtin_return_address and
4096 __builtin_frame_address.
4098 2001-07-23 Richard Henderson <rth@redhat.com>
4100 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
4102 * config/i386/i386.md: New setcc+movzbl peephole2.
4104 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4106 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
4107 * objc/objc-act.c: Include debug.h.
4108 (synth_module_prologue): Save and restore debug hooks too.
4110 2001-07-23 lars brinkhoff <lars@nocrew.org>
4112 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
4113 and C4X_FLOAT_FORMAT.
4114 (BOOL_TYPE_SIZE): Document.
4116 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
4118 * unroll.c (loop_iterations): Fix miscalculation of initial
4121 2001-07-13 Andrew Haley <aph@redhat.com>
4123 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
4124 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
4125 * config/sh/sh.c (sh_can_redirect_branch): New function.
4126 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
4127 * reorg.c (steal_delay_list_from_target): Use
4128 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
4130 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4132 * flow.c (try_simplify_condjump): Unlink insn chain on
4133 fallthru edge; use can_fallthru.
4135 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4137 * basic-block.h (find_sub_basic_block): Declare.
4138 * flow.c (make_edges): New arguments MIN and MAX;
4139 (find_sub_basic_blocks): Revamp to use make_edges
4140 and purge_dead_edges.
4141 (find_basic_blocks): Update call of find_sub_basic_block.
4143 * recog.c (split_all_insns): Always expect CFG to be consistent;
4144 call find_sub_basic_blocks in case something has changed.
4145 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
4148 * basic-block.h (delete_noop_moves): Declare.
4149 * combine.c (combine_instructions): Call it.
4150 (recog_for_combine): Tolerate noop moves
4151 (distribute_notes): Force refresh when register dies at noop move.
4152 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
4154 (life_analysis): Update delete_noop_moves call.
4155 (set_noop_p): Move too ...
4156 * rtlanal.c (noop_move_p): ... here.
4157 * rtl.h (noop_move_p): Declare.
4159 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
4160 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
4162 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
4163 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
4165 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
4167 * reload.c (push_reload): Fix typo in comment.
4168 (find_reloads_address): Ditto.
4169 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
4171 2001-07-22 Richard Henderson <rth@redhat.com>
4173 * flow.c: Grammar check and clarify a lot of comments.
4174 (try_simplify_condjump): Rename variables to be clearer.
4175 (try_forward_edges): Skip complex and fallthru edges.
4176 Rearrange tests to avoid duplicate checks.
4177 (flow_find_cross_jump): Likewise.
4178 (outgoing_edges_match): Allow match if neither branch has
4179 probability data. Loosen probability match to 5%.
4180 (try_crossjump_to_edge): Hoist repeated indirection into
4182 (try_crossjump_bb): Don't check complex edges. Eliminate
4183 redundant crossjump tests.
4184 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
4185 checks before more expensive checks.
4187 2001-07-22 Richard Henderson <rth@redhat.com>
4189 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
4190 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
4193 2001-07-22 Richard Henderson <rth@redhat.com>
4195 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
4196 (const_sint32_operand): Likewise.
4197 * m68k.md (anon mulsi pattern): Use const_int_operand not
4198 const_sint32_operand.
4199 (umulsi3_highpart): Zero extend a constant input.
4200 (smulsi3_highpart): Don't bother checking SImode constant.
4201 (const_umulsi3_highpart): Give op3 DImode.
4202 (const_smulsi3_highpart): Likewise.
4204 2001-07-22 Richard Henderson <rth@redhat.com>
4206 * flow.c (split_block): Make sure bb_note is included in the
4207 new block when splitting before a label.
4209 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4211 * basic-block.h (redirect_edge_and_branch_force,
4212 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
4213 * flow.c (redirect_edge_and_branch_force,
4214 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
4215 (redirect_edge_and_branch_force): Fix copying of lifeness information.
4216 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
4217 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
4218 instead of label; update CFG after transformation.
4219 (find_if_case_1): Update call, use redirect_edge_and_branch_force
4220 for finishing the transformation; handle even case where ELSE
4221 does not follow THEN.
4222 (find_if_case_2): Update call of dead_or_predictable; simplify
4225 * emit-rtl.c (split_branch_probability): New global variable.
4226 (try_split): Take care to set split_branch_probability and
4227 create REG_BR_PROB note for new jump insns.
4228 * md.texi (define_split): Document new feature.
4230 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
4232 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
4234 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
4235 (asm_out_file): Remove redundant declaration.
4236 (assemble_asm): Remove old #if 0 block.
4237 (assemble_variable): Remove end of function; debug output is
4238 now handled with global_decl. Remove old #if 0 block. Update.
4239 Remove saved_in_section and associated no-op code.
4240 * Makefile.in (varasm.o): Correct dependencies.
4242 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
4244 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
4245 the definition in defaults.h.
4247 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
4249 * jump.c: Update comments.
4250 (delete_barrier_successors, delete_unreferenced_labels,
4251 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
4252 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
4253 jump_optimize, jump_optimize_minimal): Kill.
4254 (rebuild_jump_labels): Move code from jump_optimize_1.
4255 (purge_line_number_notes): Likewise.
4256 (copy_loop_headers): Likewise.
4257 * reg-stack.c: Update comment.
4259 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
4260 JUMP_AFTER_REGSCAN): Kill.
4261 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
4262 purge_line_number_notes and copy_loop_headers.
4264 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
4265 Richard Henderson <rth@redhat.com>
4267 * dbxout.c (dbxout_global_decl): New.
4268 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
4269 * sdbout.c (sdbout_finish): New.
4270 (sdbout_debug_hooks): Use it, add comments.
4271 (sdbout_global_decl): Defer initialised public vars to
4273 * varasm.c (assemble_variable): Don't output debug information
4274 for file-scope variables.
4276 2001-07-22 Richard Henderson <rth@redhat.com>
4278 * config/alpha/alpha.c (get_trap_mode_suffix): New.
4279 (get_round_mode_suffix): New.
4280 (print_operand): Use them for [/]. Remove support for [&'`()+].
4281 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
4282 * config/alpha/alpha.md (attr round_suffix): New.
4283 (attr trap_suffix): New.
4284 (all insns): Set them appropriately. Use %/ instead of the
4287 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4289 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
4291 2001-07-22 Richard Henderson <rth@redhat.com>
4293 * regrename.c (regrename_optimize): Compute nregs for each
4294 potential target register.
4296 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
4297 Richard Henderson <rth@redhat.com>
4299 * dbxout.c (dbxout_global_decl): New.
4300 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
4301 * sdbout.c (sdbout_finish): New.
4302 (sdbout_debug_hooks): Use it, add comments.
4303 (sdbout_global_decl): Defer initialised public vars to
4305 * varasm.c (assemble_variable): Don't output debug information
4306 for file-scope variables.
4308 2001-07-21 H.J. Lu (hjl@gnu.org)
4310 * config/mips/mips.c (mips_cpu): Moved into ...
4311 (override_options): Here.
4313 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
4315 (mips_cpu): Removed.
4317 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4319 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
4320 ("iorqi3"): Likewise.
4321 ("xorqi3"): Likewise.
4322 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
4323 ("*subhi3_sp): Likewise.
4324 ("*subhi3"): Likewise.
4325 ("extendhisi2"): Accept D, X and Y as source operand to avoid
4328 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
4330 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
4331 * config/freebsd.h: Likewise.
4332 * config/linux.h: Likewise.
4333 * config/openbsd.h: Likewise.
4334 * config/alpha/linux-elf.h: Likewise.
4335 * config/arm/linux-elf.h: Likewise.
4336 * config/d30v/d30v.h: Likewise.
4337 * config/fr30/fr30.h: Likewise.
4338 * config/ia64/aix.h: Likewise.
4339 * config/ia64/ia64.h: Likewise.
4340 * config/mips/linux.h: Likewise.
4341 * config/pj/pj.h: Likewise.
4342 * config/rs6000/linux.h: Likewise.
4343 * config/sparc/linux.h: Likewise.
4344 * config/sparc/linux64.h: Likewise.
4346 2001-07-20 Bruce Korb <bkorb@gnu.org>
4348 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
4349 because getc() and char* may disagree on signedness.
4351 2001-07-20 Richard Henderson <rth@redhat.com>
4353 * doc/rtl.texi (REG_DEAD): Update for current semantics.
4355 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
4356 insns to delete in the presence of cc0 in a jump insn.
4358 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
4359 Jan Hubicka <jh@suse.cz>
4361 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
4362 of doing the change by hand.
4364 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
4366 * rtlanal.c (set_noop_p): Return true for noop jumps.
4368 * expr.c (emit_single_push_insn): Add call to push expander.
4369 * expr.h (optab_index): Add OTI_push
4370 (push_optab): New constant.
4371 * genopinit.c (optabs): Add push_optab.
4372 * optabs.c (init_optab): Init push optab.
4373 * md.texi (push??1): Document
4375 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4377 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
4378 expand to emit the pattern; put a REG_INC note for push/pop
4380 ("movdf", "movdf_internal"): Likewise.
4381 ("movsi", "movsi_internal"): Likewise.
4382 ("movsf", "movsf_internal"): Likewise.
4383 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
4385 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4387 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
4390 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
4392 * params.def: Change default max inline insns to 100.
4394 2001-07-20 Diego Novillo <dnovillo@redhat.com>
4396 * combine.c (combine_simplify_rtx): Generate a new shift operation
4397 when simplifying the first operand of a (neg (ashift)) expression.
4399 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4401 * regclass.c (N_REG_INTS): Use only 32 bits per element.
4403 2001-07-20 Kelley Cook <kelley.cook@home.com>
4405 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
4406 information. Move rest into ...
4407 (*-*-solaris): ... here. Eliminate redundant information and
4408 reword necessary packages section. Delete 4.x assembler bug info.
4409 (sparc-sun-*): Merge into ...
4410 (sparc-sun-sunos*): here.
4412 2001-07-20 Catherine Moore <clm@redhat.com>
4414 * config/v850/v850.md (casesi): Generate LABEL_REF
4417 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
4419 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
4420 * i386.c (ix86_zero_extend_to_Pmode): Make global.
4421 * i386.md (strclrsi expander): Use it.
4423 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4425 * integrate.c (copy_insn_list): handle
4426 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
4427 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
4428 identically as to CODE_LABEL.
4430 * fold-const (fold): Convert A/B/C to A/(B*C) and
4433 * except.c (connect_post_landing_pads): Delete the RESX insns.
4435 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
4437 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
4439 * config/mips/mips.md (nmadd/nmsub): Use macro.
4441 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
4443 * cppinit.c (remove_dup_dir): Make static.
4444 (remove_dup_dirs): Make static. Only warn about preempting a
4445 system directory with a non-system directory.
4447 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
4449 * ifcvt.c (noce_try_store_flag_constants): Correct order
4450 of parameters to trunc_int_for_mode.
4452 2001-07-19 Mark Mitchell <mark@codesourcery.com>
4454 * reorg.c (fill_simple_delay_slots): If an instruction might throw
4455 an exception that will be caught within this function, do not fill
4456 its delay slot with any subsequent instruction.
4458 2001-07-19 Steve Ellcey <sje@cup.hp.com>
4460 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
4461 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
4462 pointer extension instruction.
4463 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
4464 * simplify-rtx.c (simplify_unary_operation) Likewise.
4465 * explow.c (convert_memory_address) Check value of
4466 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
4468 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
4469 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
4470 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
4471 Add Multilib Support.
4472 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
4473 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
4474 Add Multilib Support.
4475 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
4477 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
4478 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
4479 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
4481 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
4483 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
4484 old and new operands in `<', `3' and `b'.
4486 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
4488 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
4489 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
4490 (toplev.o): Don't depend on xcoffout.h.
4491 * c-decl.c: Include debug.h
4492 (duplicate_decls): Use debug hook.
4493 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
4494 (dbx_debug_hooks, xcoff_debug_hooks): Update.
4495 (dbxout_types): Remove.
4496 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
4497 * debug.c (do_nothing_debug_hooks): Update.
4498 (debug_true_tree, debug_nothing_rtx): New.
4499 * debug.h (struct rtx_def): New.
4500 (struct gcc_debug_hooks): New hooks ignore_block,
4501 outlining_inline_function and label.
4502 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
4503 dwarf2out_frame_finish): New.
4504 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
4505 Make static, update prototype.
4506 (dwarf2_debug_hooks): Update.
4507 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
4508 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
4509 * dwarfout.c (dwarf_debug_hooks): Update.
4510 * emit-rtl.c: Include debug.h.
4511 (remove_unnecessary_notes): Use debug hook.
4512 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
4513 (final_scan_insn): Use debug hook.
4514 * integrate.c (output_inline_function): Use debug hook.
4515 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
4516 (sdb_debug_hooks): Update.
4517 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
4518 * toplev.c: Don't include xcoffout.h.
4519 (note_outlining_of_inline_function, debug_ignore_block): Remove.
4520 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
4522 * tree.h (dwarf2out_do_frame): Remove.
4524 2001-07-19 Catherine Moore <clm@cygnus.com>
4526 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
4528 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
4530 * reload1.c (eliminate_regs_in_insn): When updating a set
4531 to the frame pointer to the hardware frame pointer, perform
4532 the update always not just when REPLACE is set.
4534 * reload1.c (choose_reload_regs): Don't inherit a reload
4535 that crosses multiple registers if registers past the first
4536 don't fit in the desired class.
4538 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
4539 when negating constants.
4541 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
4543 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
4544 * doc/tree.texi: Ditto.
4546 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
4547 Jakub Jelinek <jakub@redhat.com>
4549 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
4550 (extract_cie_info): Handle "eh" augmentation properly,
4552 (struct frame_state, __frame_state_for): New.
4554 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4556 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
4557 HANDLE_SYSV_PRAGMA): Define.
4558 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
4560 (copy_object): Caller changed.
4562 2001-07-19 Andreas Schwab <schwab@suse.de>
4564 * configure.in (assembler dwarf2 debug_line support): Define nop
4566 * configure: Regenerated.
4568 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
4570 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
4572 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
4573 to conditionally compiled block.
4574 (dbx_debug_hooks, xcoff_debug_hooks): Update.
4575 * dbxout.h (dbxout_function): Remove.
4576 * debug.c (do_nothing_debug_hooks): Update.
4577 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
4578 global_decl, deferred_inline_function.
4579 * dwarf2out.c (dwarf2_debug_hooks): Update.
4580 (dwarf2out_global_decl): New.
4581 * dwarfout.c: Don't include dwarfout.h.
4582 (dwarfout_global_decl, dwarfout_function_decl,
4583 dwarfout_deferred_inline_function): New.
4584 (dwarf_debug_hooks): Update.
4585 * dwarfout.h: Remove.
4586 * final.c: Don't include dwarfout.h.
4587 * sdbout.c (sdbout_global_decl): New.
4588 (sdbout_debug_hooks): Update.
4589 * toplev.c: Don't include dwarfout.h.
4590 (check_global_declarations, rest_of_compilation): Use new debug hooks.
4591 (note_deferral_of_defined_inline_function): Remove.
4592 * toplev.h (note_deferral_of_defined_inline_function): Remove.
4593 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
4594 * ch/lex.c: Don't include dwarfout.h.
4595 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
4596 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
4597 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
4598 * cp/optimize.c: Include debug.h.
4599 (maybe_clone_body): Use debug hook.
4600 * cp/semantics.c: Include debug.h.
4601 (expand_body): Use debug hook.
4602 * po/POTFILES.in: Remove dwarfout.h.
4604 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
4606 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
4607 * c-parse.in (yyerror, _yylex): Similarly.
4608 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
4609 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
4611 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
4612 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
4614 2001-07-18 Jeff Sturm <jsturm@one-point.com>
4616 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
4617 in-class declaration at -g1. Fixes c++/2814.
4619 2001-07-18 Richard Henderson <rth@redhat.com>
4621 * doc/md.texi (reload_in/out): Document restrictions in predicates
4622 and constraints for these patterns. Document empty string matching
4625 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4627 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
4629 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4631 * cse.c: Undo my previous patch.
4633 2001-07-18 Tom Tromey <tromey@redhat.com>
4636 * configure: Rebuilt.
4637 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
4639 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
4641 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
4642 Jan Hubicka <jh@suse.cz>
4644 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
4645 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
4646 * jump.c (mark_jump_label): Do not forward branches.
4648 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
4650 * cse.c (delete_trivially_dead_insns): Delete the libcall block
4651 when return value is unused.
4653 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4655 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
4657 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
4659 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
4660 on error. We can't blindly return the result of
4661 pthread_mutex_trylock because it returns a positive number on
4662 error, while we must return -1 on error.
4663 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
4665 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
4667 2001-07-18 Andreas Jaeger <aj@suse.de>
4669 * integrate.c (output_inline_function): Correct type of debug_hooks.
4671 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
4673 * combine.c (combine_simplify_rtx): DIV can be treated
4674 associatively for floats if unsafe math optimisations are enabled.
4676 2001-07-17 Richard Henderson <rth@redhat.com>
4678 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
4680 2001-07-17 Richard Henderson <rth@redhat.com>
4682 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
4683 don't force the function address into a register.
4684 (expand_call, emit_library_call_value_1): Update callers.
4685 * builtins.c (expand_builtin_apply): Likewise.
4686 * expr.h (prepare_call_address): Update decl.
4688 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
4690 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
4692 * config/i386/chorus.h: Move up.
4693 * config/sparc/chorus.h: Likewise.
4694 * config/rs6000/chorus.h: Likewise.
4695 * config/chorus.h: Moved here.
4697 2001-07-17 Andreas Schwab <schwab@suse.de>
4699 * configure.in (assembler eh_frame optimization): Handle big
4701 * configure: Regenerated.
4703 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
4705 * expr.c (epxand_expr): Convert divisions into multiplications by
4706 reciprocals if -ffast-math.
4708 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
4710 * dbxout.c (dbxout_really_begin_function): Rename to
4711 dbxout_begin_function.
4712 (dbx_debug_hooks, xcoff_debug_hooks): Update.
4713 (dbxout_begin_function): Remove.
4714 (dbxout_function): Update.
4715 (dbxout_source_line): Update prototype.
4716 * dbxout.h (dbxout_begin_function): Remove.
4717 * debug.c (do_nothing_debug_hooks): Update.
4718 (debug_nothing_tree): Update.
4719 (debug_nothing_charstar_rtx): Remove.
4720 * debug.h (union tree_node): Declare.
4721 (struct rtx_def): Remove.
4722 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
4723 begin_function. Change source_line prototype.
4724 (debug_nothing_tree): New.
4725 (debug_nothing_charstar_rtx): Delete.
4726 (dwarf2out_begin_prologue): Moved from ...
4728 * dwarf2out.c (dwarf2_debug_hooks): Update.
4729 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
4730 debug info, call dwarf2out_source_line.
4731 (dwarf2out_souce_line): Update prototype.
4732 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
4733 Change prototype, make static.
4734 (dwarfout_source_line): Update prototype.
4735 (dwarf_debug_hooks): Update.
4736 * dwarfout.h (dwarfout_begin_function): Remove.
4737 * final.c (final_start_function, final_scan_insn): Use appropriate
4738 debug hooks, update to use notice_source_line.
4739 (output_source_line): Rename notice_source_line. Don't call the
4740 source_line debug hook.
4741 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
4742 make static, update prototype.
4743 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
4745 (sdbout_end_prologue): New.
4746 (sdbout_source_line): Update prototype.
4747 (sdbout_debug_hooks): Update.
4748 (sdbout_symbol): Remove unused var.
4749 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
4751 * varasm.c: Include debug.h.
4752 (assemble_start_function): Use begin_function debug_hook.
4753 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
4754 update with prototype.
4755 (xcoffout_source_line): Update prototype.
4756 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
4758 (xcoffout_source_line): Update prototype.
4760 2001-07-17 Richard Henderson <rth@redhat.com>
4762 * c-typeck.c (build_binary_op): Do not shorten unsigned
4763 right shift after sign extension.
4765 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
4767 * combine.c (combine_simplify_rtx): Attempt to simplify
4768 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
4770 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
4771 (simplify_binary_operation, simplify_unary_operation,
4772 simplify_relational_operation): Use it.
4774 * combine.c (combine_simplify_rtx): Don't do associative law
4775 on divisions; allow associative law on floats.
4777 2001-07-17 H.J. Lu <hjl@gnu.org>
4778 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4780 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
4781 ASM_OUTPUT_WEAK_ALIAS are defined.
4782 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
4783 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
4785 * config/mips/iris5.h: ... here.
4786 (HANDLE_SYSV_PRAGMA): Defined as 1.
4787 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
4788 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
4791 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
4793 * c-parse.in (all_prefix_attributes): New variable.
4794 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
4795 (maybe_resetattrs): New production.
4796 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
4797 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
4798 notype_initdcl, nested_function, notype_nested_function,
4799 component_decl, components, components_notype,
4800 component_declarator, component_notype_declarator,
4801 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
4802 ivars, mydecl, myparm): Update. Avoid prefix attributes just
4803 after a comma being applied to more than one declarator.
4804 * doc/extend.texi (Attribute Syntax): Update. Remove
4805 documentation of bugs that are no longer present.
4807 2001-07-13 Eric Christopher <echristo@redhat.com>
4809 * config/mips/mips.h: Change TUNE_MIPS* options to use
4811 (EXTRA_SPECS): Add cc1_cpu_spec.
4812 * config/mips/mips.md (muldf3): Fix typo.
4814 2001-07-16 Richard Henderson <rth@redhat.com>
4816 * config/m68k/m68k.c: Include expr.h and reload.h.
4817 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
4818 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
4820 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
4821 Richard Henderson <rth@redhat.com>
4823 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
4824 (insn_live_p): Fix fall off end of function.
4825 (dead_libcall_p): Remove COUNTS argument; update callers.
4826 (delete_trivially_dead_insns): Remove unused variables.
4828 2001-07-17 Andreas Jaeger <aj@suse.de>
4830 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
4833 * lcm.c (optimize_mode_switching): Avoid warning for unused
4834 variable if !NORMAL_MODE.
4836 * flow.c (try_crossjump_to_edge): Remove unused variable.
4838 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
4840 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
4841 atexit declaration in stdlib.h.
4843 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
4845 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
4847 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4849 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
4850 * except.c (finish_eh_generation): Update call of cleanup_cfg;
4851 do rebuild_jump_labels instead of jump_optimize
4852 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
4853 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
4854 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
4856 * flow.c: Include timevar.h
4857 (find_basic_block): Push/pop timevar;
4858 (cleanup_cfg): Likewise.
4859 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
4860 * Makefile: Add dependencies on timevar.h
4862 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
4863 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
4865 * rtl.h (delete_trivially_dead_insns): Add new parameter.
4866 * toplev.c (rest_of_compilation): Update calls.
4867 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
4868 (delete_trivially_dead_insns): ... here; accept new argument
4869 preserve_basic_blocks; preserve basic blocks if set.
4871 * reg-stack.c (stack_regs_mentioned): Return 0 if
4872 stack_regs_mentioned_data is not initialized.
4873 (reg_to_stack): Make stack_regs_mentioned survive after the
4874 reg-stack is completted; do not call cleanup_cfg.
4875 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
4876 make cleanup_cfg after bb-reorder to output to debug file.
4878 2001-07-16 Richard Henderson <rth@redhat.com>
4880 * regclass.c (init_reg_sets): Use only 32 bits per initializer
4881 from int_reg_class_contents.
4883 2001-07-16 Richard Henderson <rth@redhat.com>
4885 * hard-reg-set.h (regs_invalidated_by_call): Declare.
4886 * regclass.c (regs_invalidated_by_call): Move from cse.c.
4887 (init_reg_sets_1): Move initialization from cse_main.
4888 * cse.c (regs_invalidated_by_call): Move to regclass.c.
4889 (cse_main): Move its initialization also.
4890 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
4891 * flow.c (propagate_one_insn): Likewise.
4892 * gcse.c (compute_hash_table): Likewise.
4893 (compute_kill_rd, compute_store_table): Likewise.
4894 * sched-deps.c (sched_analyze_1): Likewise.
4896 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
4898 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
4901 2001-07-16 Steve Ellcey <sje@cup.hp.com>
4903 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
4904 in if statement so we don't access undefined memory.
4906 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
4908 * gcse.c: Update comment at top.
4909 Update comment on mem handling.
4910 mem_last_set, mem_first_set, mem_set_in_block: gone.
4911 Declaration of reg_set_info: gone.
4912 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
4913 pointless with load_killed_in_block_p (they are *more*
4914 conservative then it, not less, and less accurate).
4915 (oprs_not_set_p): Ditto.
4916 (alloc_gcse_mem): Don't allocate mem_set_in_block
4917 (free_gcse_mem): Don't free it, either.
4918 (record_last_mem_set_info): Update comment in front, remove
4919 mem_*set_* stuff. Note the reason we don't handle stores directly
4921 (compute_hash_table): Update comments to reflect reality. Remove
4922 mem_*set_* references.
4923 (reset_opr_set_tables): Remove mem_*set_* references.
4925 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
4926 (mark_clobber): Ditto (on both parts, we double set here too).
4927 (expr_killed_p): Remove mem_set_in_block test.
4928 (compute_transp): Remove mem_set_in_block test.
4930 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
4931 of edge, and removal of phi alternative to dump file.
4932 (ssa_ccp_substitute_constants): Add note about register now being
4933 constant, and which uses were replaced in what insns to dump file.
4935 2001-07-16 Andreas Jaeger <aj@suse.de>
4937 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
4938 variables of type HOST_WIDEST_INT.
4940 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
4941 (__bb_exit_func): Correct type of count_max to avoid overflow.
4942 (num_digits): Handle long long argument.
4944 * combine.c (gen_lowpart_for_combine): Remove unused variable.
4946 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4948 * output.h (sdb_begin_function_line): Restore as an extern
4950 * sdbout.c (sdb_begin_function_line): Make extern.
4952 2001-07-15 Richard Henderson <rth@redhat.com>
4954 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
4955 * genrecog.c (maybe_both_true_mode): New.
4956 (maybe_both_true_2): Use it.
4957 (write_switch): Don't put Pmode in a switch.
4958 * rtl.c (mode arrays): Don't explicitly size them.
4960 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4962 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
4963 handling; move unconditional splitting before mode switching.
4965 * i386.md (type): Add fistp type.
4966 (i387, length_attr, scheduling definitions): Handle this type.
4967 (fix_trunc?f?i2): Revamp to use mode switching.
4968 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
4969 * i386.h (fp_cw_mode): New enum
4970 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
4971 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
4973 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4975 * Makefile.in (integrate.o): Add debug.h.
4976 * integrate.c (debug.h): Add.
4977 (output_inline_function): Save, reset, and restore debug_hooks.
4979 2001-07-15 Richard Henderson <rth@redhat.com>
4981 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
4982 instead of COMPARE for the EQUIV expression.
4984 2001-07-15 Richard Henderson <rth@redhat.com>
4986 * flow.c (redirect_edge_and_branch_force): Initialize
4987 global_live_at_start and global_live_at_end.
4988 (allocate_bb_life_data): Export.
4989 * basic-block.h (allocate_bb_life_data): Declare.
4990 * toplev.c (rest_of_compilation): Call it.
4992 2001-07-15 Richard Henderson <rth@redhat.com>
4994 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
4995 (alpha_tablejump_best_label): New.
4996 * config/alpha/alpha-protos.h: Declare them.
4997 * config/alpha/alpha.md: Use braced strings for code blocks.
4998 (tablejump_osf): Break out add with r29.
4999 (tablejump_osf_internal): Remove.
5000 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
5001 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
5003 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
5005 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
5008 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
5010 * i386-protos.h (ix86_split_fp_branch): Update prototype.
5011 (ix86_fp_jump_nontrivial_p): New.
5012 * i386.md (fp_jcc_?): Update call of split_fp_branch;
5013 use ix86_fp_jump_nontrivial_p.
5014 * i386.c (ix86_fp_jump_nontrivial_p): New.
5015 (ix86_split_fp_branch): Accept code instead of rtx.
5016 (ix86_expand_compare): Expand comparison early in case
5017 doing so is resonably cheap.
5019 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
5021 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
5023 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
5024 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
5026 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
5028 * dbxout.c (dbxout_source_line): Make static, update prototype.
5029 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
5030 (dbxout_init, dbxout_finish, dbxout_source_line,
5031 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
5032 * dbxout.h (dbxout_source_line): Delete.
5033 * debug.c (debug_nothing_file, debug_nothing_file_int,
5034 debug_nothing_file_charstar_rtx): New.
5035 (do_nothing_debug_hooks): Update.
5036 (debug_nothing_void, debug_nothing_charstar_rtx,
5037 dwarf2out_end_epilogue): New.
5038 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
5039 * debug.h (struct rtx_def): Declare.
5040 (gcc_debug_hooks): New hooks source_line, end_epilogue
5042 (debug_nothing_void, debug_nothing_charstar_rtx,
5043 dwarf2out_end_epilogue): New.
5044 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
5045 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
5046 (dwarf2_debug_hooks): Update.
5047 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
5048 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
5049 * dwarf2out.h (dwarf2out_source_line): Remove.
5050 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
5051 Make static, update prototype.
5052 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
5053 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
5054 (dwarf_debug_hooks): Update.
5055 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
5056 dwarfout_end_function): Remove.
5057 * final.c (profile_function): Use debug hooks for ending functions
5059 (output_source_line, final_end_function): Update prototype,
5061 (final_start_function, final_scan_insn): Update.
5062 * output.h (sdb_begin_function_line): Remove.
5063 (final_end_function): Update prototype.
5064 * sdbout.c (sdb_begin_function_line): Make static.
5065 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
5066 (sdbout_source_line): New.
5067 (sdbout_end_epilogue, sdbout_end_function): Make static, update
5069 (sdb_debug_hooks): Update.
5070 (sdbout_init, sdbout_source_line,
5071 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
5072 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
5073 * toplev.c (compile_file, rest_of_compilation): Update.
5074 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
5075 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
5076 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
5077 Update for prototype changes.
5078 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
5079 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
5081 2001-07-15 Richard Henderson <rth@redhat.com>
5083 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
5084 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
5085 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
5086 * config/alpha/alpha.c: Likewise.
5087 * config/alpha/alpha.md: Likewise.
5088 * config/alpha/alpha32.h: Likewise.
5089 * config/alpha/vms.h: Likewise.
5092 2001-07-14 Richard Henderson <rth@redhat.com>
5094 * config/alpha/alpha.md: Use define_constants for unspec values.
5095 Substitute throughout.
5097 2001-07-14 Tim Josling <tej@melbpc.org.au>
5099 * tree.def (EXPON_EXPR) remove. Never supported anyway.
5101 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
5103 * pa.md: Remove unused constraints from define_split's.
5105 2001-04-14 Richard Henderson <rth@redhat.com>
5107 * ifcvt.c (find_cond_trap): Test for exit block.
5109 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
5111 Re-install recently reverted patch.
5112 * emit-rtl.c (try_split): Update mark_jump_label call.
5113 * flow.c (find_sub_basic_blocks): Likewise.
5114 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
5116 (mark_all_labels): Kill second parameter.
5117 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
5118 (rebuild_jump_labels, jump_optimize_minimal): Update call
5120 (jump_optimize_1): Kill crossjumping code.
5121 (mark_jump_label): Kill cross_jump parameter.
5122 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
5123 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
5124 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
5126 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
5128 (dump_file_info): Likewise.
5129 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
5130 reorganize passes to do reg-stack first, bb-reorder second.
5131 * invoke.texi (-d letters doc): Remove the jump2 pass.
5133 2001-07-14 Richard Henderson <rth@redhat.com>
5135 * ifcvt.c (find_cond_trap): New.
5136 (find_if_header): Call it.
5137 (merge_if_block): Relax existing jump sanity check.
5138 * jump.c (jump_optimize_1): Remove conditional trap handling.
5140 2001-07-14 Alan Modra <amodra@bigpond.net.au>
5142 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
5144 (insn_refs_are_delayed): Correct comment.
5145 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
5146 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
5147 instead of r31. Make associated insn !TARGET_64BIT, and
5148 provide an additional 64-bit insn that clobbers r2.
5150 (udivsi3): Likewise.
5152 (umodsi3): Likewise.
5154 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
5156 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
5158 * flow.c (redirect_edge_and_branch_force, split_edge,
5159 try_crossjump_to_edge): Use set_block_for_new_insns.
5160 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
5162 2001-07-13 H.J. Lu (hjl@gnu.org)
5164 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
5167 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
5169 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
5171 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
5173 * c-common.c (decl_attributes): Take a pointer to the node to
5174 which attributes are to be attached, and a flags argument.
5175 * c-common.h (enum attribute_flags): New.
5176 (decl_attributes): Update prototype.
5177 * c-decl.c (start_decl, push_parm_decl, finish_struct,
5178 finish_enum, start_function): Update calls to decl_attributes.
5179 * c-parse.in (component_declarator, component_notype_declarator,
5180 label): Update calls to decl_attributes.
5182 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
5184 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
5185 * config/avr/avr.c (legitimate_address_p): Return value changed
5186 from letter to register classes. For better debugging.
5188 2001-07-13 Kazu Hirata <kazu@hxi.com>
5190 * jump.c (reversed_comparison_code_parts): Fix comment typos.
5192 2001-07-13 H.J. Lu (hjl@gnu.org)
5194 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
5196 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
5198 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
5199 correctly for shared configurations.
5200 * config/t-libgcc-pic: New.
5201 * config/{i386,m68k,sparc}/t-openbsd: New.
5202 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
5203 Support -shared. Support debugging libraries with -g.
5204 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
5205 frame information does not emit pointer diffs.
5206 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
5209 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
5211 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
5213 2001-07-13 David Edelsohn <edelsohn@gnu.org>
5215 * combine.c (try_combine): Ensure const_int pow2 is positive.
5217 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
5219 * config.gcc: Add configuration for s/390.
5220 * config/s390/s390.c: New. Subroutines for code generation.
5221 * config/s390/s390.h: New. Definitions for s/390.
5222 * config/s390/s390-protos.h: New. Prototypes.
5223 * config/s390/linux.h: New. Definitions for linux for s/390.
5224 * config/s390/linux64.h: New. Definitions for linux for zSeries.
5225 * config/s390/t-linux: New. Makefile fragment.
5226 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
5227 * config/s390/fixdfdi.h: New. Fix L_fix*di.
5229 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5231 * emit-rtl.c (try_split): Update mark_jump_label call.
5232 * flow.c (find_sub_basic_blocks): Likewise.
5233 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
5235 (mark_all_labels): Kill second parameter.
5236 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
5237 (rebuild_jump_labels, jump_optimize_minimal): Update call
5239 (jump_optimize_1): Kill crossjumping code.
5240 (mark_jump_label): Kill cross_jump parameter.
5241 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
5242 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
5243 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
5245 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
5247 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
5248 reorganize passes to do reg-stack first, bb-reorder second.
5249 * invoke.texi (-d letters doc): Remove the jump2 pass.
5251 2001-07-12 Steve Ellcey <sje@cup.hp.com>
5253 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
5255 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5257 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
5259 (verify_flow_info): Make diagnostics prettier.
5261 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
5263 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
5265 * flow.c (outgoing_edges_match): Return early if condition reversal
5268 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
5270 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
5271 (mips_move_2words): When splitting a move into two instructions,
5272 prefix the second address operand with '%D'.
5274 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
5276 * Makefile.in (final.o): Depend on debug.h.
5277 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
5278 (dbx_debug_hooks): Add new hooks.
5279 (xcoff_debug_hooks): New.
5280 * debug.c (debug_nothing_file_int_int): New.
5281 (do_nothing_debug_hooks): Update.
5282 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
5283 (debug_nothing_file_int_int): New.
5284 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
5285 static, update prototype.
5286 (dwarf2_debug_hooks): Update.
5287 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
5288 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
5289 static, update prototype.
5290 (dwarf_debug_hooks): Update.
5291 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
5292 * final.c: Include debug.h.
5293 (final_scan_insn): Use debug hooks when beginning and ending blocks.
5294 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
5295 static, update prototype.
5296 (sdb_debug_hooks): Update.
5297 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
5298 * toplev.c: Distinguish between xcoff and dbx.
5300 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
5301 Call all debug hooks, not just dwarf ones.
5303 2001-07-11 Timothy Wall <twall@redhat.com>
5305 * config.gcc: Add configuration for AIX5/IA64.
5306 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
5307 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
5308 support prefix/suffix code.
5309 * config/ia64/t-aix: New. Makefile fragment.
5310 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
5312 2001-07-11 Kazu Hirata <kazu@hxi.com>
5314 * recog.c (validate_change): Fix a comment typo.
5316 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
5318 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
5319 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
5321 * dbxout.c (dbx_debug_hooks): Add new hooks.
5322 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
5324 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
5326 * dbxout.h (dbxout_start_new_source_file,
5327 dbxout_resume_previous_source_file): Delete.
5328 * debug.c (do_nothing_debug_hooks): Add new hooks.
5329 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
5330 (debug_nothing_int_charstar, debug_nothing_int): New.
5331 * debug.h (gcc_debug_hooks): New hooks define, undef,
5332 start_source_file and end_source_file.
5333 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
5334 (debug_nothing_int_charstar, debug_nothing_int): New.
5335 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
5336 the conditionally compiled section.
5337 (dwarf2out_start_source_file, dwarf2out_end_source_file,
5338 dwarf2out_define, dwarf2out_undef): Make static.
5339 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
5340 dwarf2out_define, dwarf2out_undef): Remove.
5341 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
5342 (dwarfout_start_source_file, dwarfout_end_source_file,
5343 dwarfout_define, dwarfout_undef): Make static.
5344 (dwarfout_start_source_file_check,
5345 dwarfout_end_source_file_check): New.
5346 (dwarfout_define, dwarfout_finish): Update.
5347 * dwarfout.h (dwarfout_start_new_source_file,
5348 dwarfout_resume_previous_source_file, dwarfout_define,
5349 dwarfout_undef): Remove.
5350 * sdbout.c (sdb_debug_hooks): Add new hooks.
5351 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
5353 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
5354 make static, take an arg.
5355 * sdbout.h (sdbout_start_new_source_file,
5356 sdbout_resume_previous_source_file): Delete.
5357 * toplev.c (debug_start_source_file, debug_end_source_file,
5358 debug_define, debug_undef): Delete.
5359 * toplev.h (debug_start_source_file, debug_end_source_file,
5360 debug_define, debug_undef): Delete.
5362 * java/jcf-parse.c: Include debug.h.
5363 (parse_class_file): Update to use debug hooks directly.
5364 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
5366 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5368 * alias.c (set_mem_alias_set): New function.
5369 * rtl.h (set_mem_alias_set): Declare it.
5370 * builtins.c (expand_builtin_return_addr): Call it instead of
5371 using MEM_ALIAS_SET accessor.
5372 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
5373 (get_memory_rtx, expand_builtin_va_arg): Likewise.
5374 (expand_builtin_va_copy):Likewise.
5375 * caller-save.c (setup_save_areas): Likewise.
5376 * calls.c (compute_argument_addresses): Likewise.
5377 * explow.c (set_mem_attributes): Likewise.
5378 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
5379 (expand_assignment, store_constructor_field, store_field): Likewise.
5380 (expand_expr_unaligned): Likewise.
5381 * function.c (assign_stack_temp_for_type): Likewise.
5382 (put_reg_into_stack, gen_mem_addressof): Likewise.
5383 * ifcvt.c (noce_try_cmove_arith): Likewise.
5384 * reload1.c (reload, alter_reg): Likewise.
5385 * config/alpha/alpha.c (get_aligned_mem): Likewise.
5386 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
5387 (alpha_expand_unaligned_store): Likewise
5388 (alpha_expand_unaligned_load_words): Likewise.
5389 (alpha_expand_unaligned_store_words): Likewise.
5390 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
5391 (alpha_expand_epilogue): Likewise.
5392 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
5393 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
5394 * config/i386/i386.c (legitimize_pic_address): Likewise.
5395 * config/i960/i960.c (setup_incoming_varargs): Likewise.
5396 * config/ia64/ia64.c (spill_restore_mem): Likewise.
5397 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
5398 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
5399 * config/mips/mips.c (mips_va_arg): Likewise.
5400 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
5401 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
5402 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
5403 (setup_incoming_varargs, rs6000_va_arg): Likewise.
5404 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
5405 (rs6000_emit_epilogue): Likewise.
5406 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
5407 * config/sparc/sparc.c (sparc_va_arg): Likewise.
5408 * config/v850/v850.c (v850_va_arg): Likewise.
5410 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
5412 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
5413 when fallthru edge is present.
5414 (mege_blocks): Handle case where creation of jump insn
5417 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
5418 CLEANUP_POST_REGSTACK): New constants.
5419 * except.c (finish_eh_generation): Update call of cleanup_cfg,
5420 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
5421 * output.h (cleanup_cfg): Update prototype.
5422 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
5423 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
5424 cleanup_cfg call; kill missleading comment.
5425 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
5426 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
5427 parameter; control optimizations performed using it.
5428 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
5429 try_crossjump_bb): New functions.
5431 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
5433 * pa.c (pa_output_function_prologue): Delete prototype. Make function
5435 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
5436 pa_output_function_prologue.
5437 * pa-protos.h (pa_output_function_prologue): New prototype.
5439 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
5441 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
5442 and low to get correct sign extension in low+high test.
5444 2001-07-11 Janis Johnson <janis@us.ibm.com>
5446 * gcov.c (arcdata): Use gcov_type to fix branch percentage
5447 for large hit count.
5449 * profile.c (branch_prob): Fix .bbg info for computed gotos
5452 2001-07-11 Mark Mitchell <mark@codesourcery.com>
5454 * stmt.c (parse_output_constraint): New function, split out
5456 (expand_asm_operands): ... here. Use parse_output_constraint.
5457 * tree.h (parse_output_constraint): Declare it.
5459 2001-07-11 Richard Henderson <rth@redhat.com>
5461 * bitmap.c: Comment some functions; fiddle whitespace.
5462 (bitmap_free): Don't export.
5463 (bitmap_element_allocate): Use memset.
5464 * bitmap.h (bitmap_free): Don't declare.
5466 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
5468 * gcse.c, lcm.c, sched-deps.c:
5469 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
5471 * flow.c (flow_loops_find): Free dom if we found no loops, since
5472 we aren't going to save it.
5474 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
5477 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
5479 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
5481 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5483 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
5484 #ifndef DWARF2_DEBUGGING_INFO.
5486 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
5488 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
5490 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
5492 * config/mips/mips.c (gen_int_relational): Tell the caller not to
5493 reverse a branch if a NE comparison is implemented with GTU.
5495 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
5496 H.J. Lu <hjl@gnu.org>
5498 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
5500 (call_internal2): Likewise.
5501 (call_value_internal1): Likewise.
5502 (call_value_internal2): Likewise.
5503 (call_value_multiple_internal1): Likewise.
5504 (call_value_multiple_internal2): Likewise.
5506 2001-07-10 Kazu Hirata <kazu@hxi.com>
5508 * calls.c (emit_library_call_value_1): Fix a comment typo.
5509 * dwarf2out.c (mem_loc_descriptor): Likewise.
5510 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
5512 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
5514 * simplify-rtx.c (simplify_subreg): Fix typo in comment
5516 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5518 * recog.c (offsettable_address_p): Handle LO_SUM case.
5519 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
5520 instead of plus_constant.
5522 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5524 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
5525 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
5527 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5529 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
5530 adjust_address_nv instead of plus_constant.
5532 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
5534 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
5535 dwarf2out.o): Depend on debug.h, wrap long lines.
5536 * dbxout.c: Include debug.h.
5537 (dbx_debug_hooks): New.
5538 (dbxout_init): Make static, take just 2 args.
5539 (dbxout_finish): Make static.
5540 * dbxout.h (dbxout_init, dbxout_finish): Delete.
5541 * debug.c: New file.
5542 * debug.h: New file.
5543 * dwarf2out.c: Include debug.h.
5544 (dwarf2_debug_hooks): New.
5545 (dwarf2out_init): Make static.
5546 (dwarf2out_finish): Make static, take 2 args.
5547 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
5548 * dwarfout.c: Include debug.h.
5549 (dwarf_debug_hooks): New.
5550 (dwarfout_init): Make static.
5551 (dwarfout_finish): Make static, take 2 args.
5552 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
5553 * sdbout.c: Include debug.h.
5554 (sdb_debug_hooks): New.
5555 (sdbout_init): Make static, take 2 args.
5556 * sdbout.h (sdbout_init): Delete.
5557 * toplev.c: Include debug.h.
5559 (compile_file): Set deubg_hooks based on command line options.
5560 Use the hooks unconditionally rather than conditional compilation.
5562 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
5564 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
5565 first_insn_after_basic_block_note instead.
5567 * df.c (df_bb_refs_unlink): #if 0 out for now.
5569 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
5571 * ssa.h: Add prototype for ssa_const_prop
5572 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
5573 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
5574 (ssa_fast_dce): Remove unused variable
5576 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5578 * diagnostic.c (finish_diagnostic): Rename to
5579 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
5582 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
5584 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
5587 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
5588 (dump_file): Only pad the demangled name with spaces if the
5589 mangled name was padded with spaces.
5591 2001-07-10 Bernd Schmidt <bernds@redhat.com>
5593 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
5596 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5598 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
5599 extraction if no direct load if either EXPAND_CONST_ADDRESS or
5602 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
5603 whether can put offset inside LO_SUM to check mode alignment, not size.
5605 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5607 * doc/tm.texi (Misc): Fix thinko.
5609 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
5611 * regmove.c (replace_in_call_usage): Fix warnings.
5612 * sched-deps.c (add_dependence): Fix warnings.
5613 * simplify-rtx.c (simplify_subreg): Likewise.
5614 Return NULL_RTX instead of NULL.
5616 * reg-stack.c (emit_swap_insn): Eliminate warnings.
5617 (subst_asm_stack_regs): Likewise.
5619 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
5622 * dwarf2out.c (output_call_frame_info): Declare i as int.
5623 (build_abbrev_table): Declare n_alloc as int.
5624 (dwarf2out_finish): Initialize die.
5625 * except.c: Declare sjlj_funcdef_number as unsigned.
5626 (connect_post_landing_pads): Declare j as unsigned.
5627 (convert_to_eh_region_ranges): Initialize call_site.
5628 (output_function_exception_table): Initialize tt_format_size.
5629 * expr.c (move_by_pieces_1): Initialize to1.
5630 (store_constructor): Initialize minelt and maxelt.
5631 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
5632 * function.c (instantiate_decls): Avoid signed/unsigned warning.
5634 * c-decl.c (combine_parm_decls): Unused, remove.
5635 * c-tree.h: Remove prototype for combine_parm_decls.
5637 * reload.c (push_reload): Fix warning.
5638 (regno_clobbered_p): Likewise.
5639 * reload1.c (replace_pseudos_in_call_usage): Likewise.
5640 (reload_combine): Likewise.
5642 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
5643 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
5645 * bitmap.c (bitmap_operation): Change user.
5646 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
5648 2001-07-10 Eric Christopher <echristo@redhat.com>
5650 * config/mips/mips.c (override_options): Fix typo.
5652 2001-07-09 Stan Shebs <shebs@apple.com>
5654 * target.h (struct gcc_target): New fields init_builtins and
5656 * target-def.h (TARGET_INIT_BUILTINS): New macro.
5657 (TARGET_EXPAND_BUILTIN): New macro.
5658 (TARGET_INITIALIZER): Add them.
5659 * builtins.c: Include target.h.
5660 (expand_builtin): Use targetm.expand_builtin.
5661 (default_init_builtins): New function.
5662 (default_expand_builtin): New function.
5663 * expr.h (default_init_builtins): Declare.
5664 (default_expand_builtin): Declare.
5665 * c-common.c (c_common_nodes_and_builtins): Use
5666 targetm.init_builtins.
5667 * defaults.h (MD_INIT_BUILTINS): Remove.
5668 * Makefile.in (builtins.o): Depend on target.h.
5670 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
5671 (TARGET_EXPAND_BUILTIN): Define.
5672 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
5673 (MD_EXPAND_BUILTIN): Remove.
5675 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
5676 (TARGET_EXPAND_BUILTIN): Define.
5677 (c4x_init_builtins): Make endlink arg a local.
5678 (c4x_print_operand): Fix typos in adjust_address usages.
5679 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
5680 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
5681 (MD_EXPAND_BUILTIN): Remove.
5683 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
5684 (TARGET_EXPAND_BUILTIN): Define.
5685 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
5686 (ix86_init_builtins): Call new function only if TARGET_MMX.
5687 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
5688 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
5689 (MD_EXPAND_BUILTIN): Remove.
5691 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
5692 (TARGET_EXPAND_BUILTIN): Define.
5693 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
5694 (MD_EXPAND_BUILTIN): Remove.
5696 * doc/tm.texi: Document these changes.
5698 2001-07-09 Diego Novillo <dnovillo@redhat.com>
5700 * basic-block.h (tree_node): Forward declare if needed.
5701 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
5702 (BLOCK_HEAD_TREE): Define.
5703 (BLOCK_END_TREE): Define.
5704 (struct loops): Rename field 'tree' to 'tree_root'.
5705 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
5707 (flow_loops_tree_build): Rename reference to field 'tree' to
5709 (flow_loops_level_compute): Ditto.
5710 * predict.c (estimate_bb_frequencies): Ditto.
5711 * tree.h (struct tree_common): Add field 'aux'.
5713 2001-07-09 Stan Shebs <shebs@apple.com>
5715 * config/darwin.c (darwin_encode_section_info): Don't mark any
5716 DECL_EXTERNAL node as defined.
5718 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
5720 * pa.c (pa_init_machine_status, pa_mark_machine_status,
5721 pa_free_machine_status, hppa_init_pic_save): Delete.
5722 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
5723 (hppa_profile_hook): Use hppa_pic_save_rtx.
5724 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
5725 hppa_init_pic_save): Delete.
5726 (hppa_pic_save_rtx): Declare.
5727 * pa.md (call, call_value, sibcall, sibcall_value,
5728 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
5730 2001-07-09 Kazu Hirata <kazu@hxi.com>
5732 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
5733 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
5735 2001-07-09 Andreas Jaeger <aj@suse.de>
5737 * output.h: Add declaration of final_forward_branch_p.
5739 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
5741 * varray.c: Include errors.h for internal_error and trim_filename
5744 * Makefile.in (varray.o): Add errors.h.
5746 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
5748 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
5749 * optabs.c (have_add2_insn): Check whether the add insn chosen
5750 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
5751 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
5753 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
5755 * Makefile.in (OBJS): Add ssa-ccp.o
5756 (ssa-ccp.o): Add dependencies.
5757 * toplev.c (DFI_ssa_ccp): New dump file enum.
5758 (dump_file): Add entry for dumping after SSA CCP.
5759 (flag_ssa_ccp): New flag variable.
5760 (f_options): Add -fssa-ccp.
5761 (rest_of_compilation): Run SSA CCP if requested.
5762 * timevar.def (TV_SSA_CCP): New timevar.
5763 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
5764 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
5765 Fix minor typo in SSA DCE documentation.
5766 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
5767 Add documentation for new dump option. Renumber dump files
5770 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5772 * emit-rtl.c (gen_highpart_mode): New.
5773 * rtl.h (gen_highpart_mode): Declare.
5774 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
5775 operand can be VOIDmode constant.
5777 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
5779 * flow.c (redirect_edge_and_branch_force): New.
5780 (can_fallthru): Ensure that basic blocks are succeeding.
5781 (try_optimize_cfg): Do not delete basic block if it is the last one.
5783 * flow.c (try_redirect_by_replacing_jump): Do not remove
5784 jumps with side effects, unlink chain on fallthru edge;
5785 set block for new jump instruction; avoid basic block to
5786 over by line number note.
5788 * flow.c (try_simplify_condjump): Verify that the condjump
5789 is not always falling trought.
5792 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
5794 * flow.c (forwarder_block_p): Fix for fallthru blocks.
5795 (try_redirect_by_replacing_jump): Update properly the count
5796 and frequency information.
5798 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5800 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
5801 address that is a LO_SUM specially.
5802 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
5804 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
5806 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
5807 (operand_subword): Use them.
5808 (change_address_1): Renamed from change_address; new arg VALIDATE.
5809 * expr.h: Reflect above changes; change_address now macro.
5810 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
5812 * cselib.c (add_mem_for_addr): Likewise.
5813 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
5814 * regmove.c (try_apply_stack_adjustment): Likewise.
5815 * reload.c (push_reload, make_memloc): Likewise.
5816 * reload1.c (eliminate_regs): Likewise.
5817 * simplify-rtx.c (simplify_replace_rtx): Likewise.
5818 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
5820 * combine.c (make_extraction, simplify_shift_const): Likewise.
5821 (gen_lowpart_for_combine): Likewise.
5822 * cse.c (gen_lowpart_if_possible): Likewise.
5823 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
5824 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
5825 * optabs.c (gen_move_insn): Likewise.
5826 * reload1.c (alter_reg): Likewise.
5827 * simplify-rtx.c (simplify_subreg): Likewise.
5828 * stmt.c (expand_anon_union_decl): Likewise.
5829 * recog.c (validate_replace_rtx_1): Likewise.
5831 * Makefile.in (recog.o): Add $(EXPR_H).
5832 * explow.c (stabilize): Call replace_equiv_address.
5833 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
5834 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
5836 2001-07-03 Andrew Haley <aph@redhat.com>
5838 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
5839 the mode of the memory location.
5841 2001-07-09 Bo Thorsen <bo@suse.co.uk>
5843 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
5845 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
5847 * final.c (output_addr_const): Use target opening and
5848 closing parentheses.
5849 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
5850 defaults, add to TARGET_ASM_OUT.
5851 * target.h (struct gcc_target): Add open_paren and close_paren.
5852 * doc/md.texi: Update.
5853 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
5854 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
5855 TARGET_ASM_CLOSE_PAREN.
5856 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
5858 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
5860 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
5861 * config/a29k/a29k.h: Similarly.
5862 * config/alpha/alpha.h: Similarly.
5863 * config/arc/arc.h: Similarly.
5864 * config/arm/aof.h: Similarly.
5865 * config/arm/aout.h: Similarly.
5866 * config/avr/avr.h: Similarly.
5867 * config/c4x/c4x.h: Similarly.
5868 * config/clipper/clipper.h: Similarly.
5869 * config/convex/convex.h: Similarly.
5870 * config/d30v/d30v.h: Similarly.
5871 * config/dsp16xx/dsp16xx.h: Similarly.
5872 * config/elxsi/elxsi.h: Similarly.
5873 * config/fr30/fr30.h: Similarly.
5874 * config/h8300/h8300.h: Similarly.
5875 * config/i370/i370.h: Similarly.
5876 * config/i386/i386.h: Similarly.
5877 * config/i860/i860.h: Similarly.
5878 * config/i960/i960.h: Similarly.
5879 * config/ia64/ia64.h: Similarly.
5880 * config/m32r/m32r.h: Similarly.
5881 * config/m68hc11/m68hc11.h: Similarly.
5882 * config/m68k/m68k.h: Similarly.
5883 * config/m88k/m88k.h: Similarly.
5884 * config/mcore/mcore.h: Similarly.
5885 * config/mips/mips.h: Similarly.
5886 * config/mn10200/mn10200.h: Similarly.
5887 * config/mn10300/mn10300.h: Similarly.
5888 * config/ns32k/ns32k.h: Similarly.
5889 * config/pa/pa.h: Similarly.
5890 * config/pdp11/pdp11.h: Similarly.
5891 * config/pj/pj.h: Similarly.
5892 * config/romp/romp.h: Similarly.
5893 * config/rs6000/rs6000.h: Similarly.
5894 * config/sh/sh.h: Similarly.
5895 * config/sparc/sparc.h: Similarly.
5896 * config/v850/v850.h: Similarly.
5897 * config/vax/vax.h: Similarly.
5898 * config/we32k/we32k.h: Similarly.
5900 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
5902 * doc/c-tree.texi: Document representation of attributes.
5904 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
5906 * doc/tm.texi: Update some places for the rename of target to
5909 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
5911 * target.h (struct gcc_target): Add insert_attributes.
5912 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
5913 (TARGET_INITIALIZER): Update.
5914 * tree.c, tree.h (default_insert_attributes): New function.
5915 Update comments on other default functions to refer to targetm,
5917 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
5918 TARGET_INSERT_ATTRIBUTES.
5919 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
5920 * c-common.c (decl_attributes): Use targetm.insert_attributes.
5921 Don't use PRAGMA_INSERT_ATTRIBUTES.
5922 * Makefile.in (c-common.o): Depend on $(TARGET_H).
5923 * c-decl.c (start_decl, start_function): Don't call
5924 SET_DEFAULT_DECL_ATTRIBUTES.
5925 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
5926 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
5928 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
5929 (c4x_check_attribute): Avoid modifying attribute list itself.
5930 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
5932 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
5933 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
5935 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
5936 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
5938 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
5939 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
5941 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
5942 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
5943 Adjust parameters. Make static.
5945 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
5947 * c-common.c (decl_attributes): Only take a single attributes
5949 * c-common.h (decl_attributes): Update prototype.
5950 * c-decl.c (start_decl, start_function): Only take a single
5951 attributes parameter. Update calls to decl_attributes.
5952 (finish_struct, finish_enum): Update calls to decl_attributes.
5953 (push_parm_decl): Expect unified list of attributes. Update call
5955 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
5956 notype_nested_function, component_declarator,
5957 component_notype_declarator, label): Update calls to
5959 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
5960 lists that are passed to push_parm_decl.
5961 * c-tree.h (start_function, start_decl): Update prototypes.
5962 * config/sh/sh-protos.h, config/sh/sh.c
5963 (sh_pragma_insert_attributes): Only take a single attributes
5965 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
5966 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
5967 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
5968 build_module_descriptor, generate_static_references,
5969 generate_strings, build_selector_translation_table,
5970 generate_descriptor_table, generate_protocols,
5971 generate_ivars_list, generate_dispatch_table,
5972 generate_protocol_list, generate_category,
5973 generate_shared_structures, really_start_method, add_objc_decls,
5974 generate_classref_translation_entry): Update calls to start_decl
5976 (build_tmp_function_decl, start_method_def): Unify attribute lists
5977 that are passed to push_parm_decl.
5979 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
5981 * final.c (no_asm_to_stream): New.
5982 (final_scan_insn): Use target structures for prologue ends
5983 and epilogue starts.
5984 * output.h (no_asm_to_stream): New.
5985 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
5986 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
5987 (TARGET_ASM_OUT): Update.
5988 * target.h (struct gcc_target): New members function_end_prologue
5989 and function_begin_epilogue.
5990 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
5991 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
5992 * config/alpha/alpha.c (output_end_prologue): Rename to
5993 alpha_output_function_end_prologue. Use in target struct
5995 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
5996 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
5997 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
5998 ia64_output_function_end_prologue. Use in target struct
6000 (ia64_function_prologue, ia64_funciton_epilogue): Rename
6001 mistyped prototypes.
6002 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
6003 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
6005 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
6006 an use in target struct, make static.
6007 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
6010 2001-07-08 Richard Henderson <rth@redhat.com>
6012 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
6014 2001-07-08 Richard Henderson <rth@redhat.com>
6016 * config/i386/i386.md: Remove constraints strings from define_split
6017 and define_peephole2 patterns.
6018 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
6019 (eh_return): Use them.
6021 2001-07-08 Richard Henderson <rth@redhat.com>
6023 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
6024 Document MD_FALLBACK_FRAME_STATE_FOR.
6026 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6028 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
6029 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
6031 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
6033 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
6035 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
6036 of the label inside NAME as opposed to just the end of NAME.
6038 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
6040 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
6041 * config/alpha/alpha.c (alpha_init_machine_status,
6042 alpha_mark_machine_status, alpha_free_machine_status): Delete.
6043 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
6044 (vms_valid_decl_attribute_p): Make static, conditionally compile.
6045 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
6047 2001-07-06 Stan Shebs <shebs@apple.com>
6049 * target.h (targetm): Rename global from "target", so as not to
6050 conflict with local variables.
6052 * c-typeck.c: Ditto.
6056 * cp/decl2.c: Ditto.
6057 * cp/typeck.c: Ditto.
6058 * 1750a/1750a.c: Ditto.
6059 * a29k/a29k.c: Ditto.
6063 * clipper/clipper.c: Ditto.
6064 * convex/convex.c: Ditto.
6065 * d30v/d30v.c: Ditto.
6066 * dsp16xx/dsp16xx.c: Ditto.
6067 * elxsi/elxsi.c: Ditto.
6068 * fr30/fr30.c: Ditto.
6069 * h8300/h8300.c: Ditto.
6070 * i370/i370.c: Ditto.
6071 * i386/i386.c: Ditto.
6072 * i860/i860.c: Ditto.
6073 * i960/i960.c: Ditto.
6074 * ia64/ia64.c: Ditto.
6075 * m32r/m32r.c: Ditto.
6076 * m68hc11/m68hc11.c: Ditto.
6077 * m68k/m68k.c: Ditto.
6078 * m88k/m88k.c: Ditto.
6079 * mips/mips.c: Ditto.
6080 * ns32k/ns32k.c: Ditto.
6082 * pdp11/pdp11.c: Ditto.
6083 * romp/romp.c: Ditto.
6084 * rs6000/rs6000.c: Ditto.
6086 * sparc/sparc.c: Ditto.
6088 * we32k/we32k.c: Ditto.
6089 * doc/tm.texi: Update the manual to match.
6091 2001-07-06 Richard Henderson <rth@redhat.com>
6093 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
6094 DWARF2_UNWIND_INFO not just whether it is defined.
6096 2001-07-06 Diego Novillo <dnovillo@redhat.com>
6098 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
6099 call to simplify_binary_operation returns a new pattern.
6101 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6103 * glimits.h (__SHRT_MAX__): New.
6104 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
6105 (SHRT_MAX): Define in terms of __SHRT_MAX__.
6107 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
6109 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
6112 2001-07-06 Richard Henderson <rth@redhat.com>
6114 * bitmap.c (bitmap_release_memory): Move adjacent to the
6115 allocation functions.
6116 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
6117 the implementation. Binary search for the set bit.
6118 (bitmap_union_of_diff): Allocate the temporary on the stack
6119 instead of using xmalloc.
6121 2001-07-06 Richard Henderson <rth@redhat.com>
6123 * genrecog.c (validate_pattern): Warn for constraints in
6124 define_{expand,split,peephole2}. Remove strict_low_part
6125 before looking up match_dup.
6127 2001-07-06 DJ Delorie <dj@redhat.com>
6129 * doc/gcc.texi (Makefile): Rename to be a more general purpose
6130 chapter about various build hints and history. Add section
6131 talking about the various types of native and cross builds.
6133 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
6135 * Makefile.in (final.o): Depend on target.h.
6136 * final.c: Include target.h.
6137 (default_function_pro_epilogue): New.
6138 (final_start_function): Use target structure for function prologues.
6139 (final_end_function): Use target structure for function epilogues.
6140 * fold-const.c (real_hex_to_f): Constify s and p.
6141 * output.h (default_function_pro_epilogue): New.
6142 * real.h (real_hex_to_f): Update prototype.
6143 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
6144 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
6145 (TARGET_INITIALIZER): Update.
6146 * target.h (gcc_target): Add struct asm_out.
6147 * doc/tm.texi: Update.
6150 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
6151 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
6152 in cpu/cpu.c, or rename old functions consistently. Take
6153 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
6154 redundant macros and prototypes. Make new functions static.
6156 * 1750a/1750a.c: Similarly.
6157 * 1750a/1750a.h: Similarly.
6158 * a29k/a29k-protos.h: Similarly.
6159 * a29k/a29k.c: Similarly.
6160 * a29k/a29k.h: Similarly.
6161 * arc/arc-protos.h: Similarly.
6162 * arc/arc.c: Similarly.
6163 * arc/arc.h: Similarly.
6164 * arm/arm-protos.h: Similarly.
6165 * arm/arm.c: Similarly.
6166 * arm/arm.h: Similarly.
6167 * avr/avr-protos.h: Similarly.
6168 * avr/avr.c: Similarly.
6169 * avr/avr.h: Similarly.
6170 * clipper/clipper-protos.h: Similarly.
6171 * clipper/clipper.c: Similarly.
6172 * clipper/clipper.h: Similarly.
6173 * convex/convex.c: Similarly.
6174 * convex/convex.h: Similarly.
6175 * d30v/d30v-protos.h: Similarly.
6176 * d30v/d30v.c: Similarly.
6177 * d30v/d30v.h: Similarly.
6178 * d30v/d30v.md: Similarly.
6179 * dsp16xx/dsp16xx-protos.h: Similarly.
6180 * dsp16xx/dsp16xx.c: Similarly.
6181 * dsp16xx/dsp16xx.h: Similarly.
6182 * elxsi/elxsi.c: Similarly.
6183 * elxsi/elxsi.h: Similarly.
6184 * fr30/fr30.c: Similarly.
6185 * fr30/fr30.md: Similarly.
6186 * h8300/h8300-protos.h: Similarly.
6187 * h8300/h8300.c: Similarly.
6188 * h8300/h8300.h: Similarly.
6189 * i370/i370-protos.h: Similarly.
6190 * i370/i370.c: Similarly.
6191 * i370/i370.h: Similarly.
6192 * i386/i386.c: Similarly.
6193 * i386/osf1elf.h: Similarly.
6194 * i386/osfrose.h: Similarly.
6195 * i860/i860-protos.h: Similarly.
6196 * i860/i860.c: Similarly.
6197 * i860/i860.h: Similarly.
6198 * i960/i960-protos.h: Similarly.
6199 * i960/i960.c: Similarly.
6200 * i960/i960.h: Similarly.
6201 * ia64/ia64-protos.h: Similarly.
6202 * ia64/ia64.c: Similarly.
6203 * ia64/ia64.h: Similarly.
6204 * m32r/m32r-protos.h: Similarly.
6205 * m32r/m32r.c: Similarly.
6206 * m32r/m32r.h: Similarly.
6207 * m68hc11/m68hc11-protos.h: Similarly.
6208 * m68hc11/m68hc11.c: Similarly.
6209 * m68hc11/m68hc11.h: Similarly.
6210 * m68k/crds.h: Similarly.
6211 * m68k/dpx2.h: Similarly.
6212 * m68k/m68k-protos.h: Similarly.
6213 * m68k/m68k.c: Similarly.
6214 * m68k/m68k.h: Similarly.
6215 * m68k/news.h: Similarly.
6216 * m88k/m88k-protos.h: Similarly.
6217 * m88k/m88k.c: Similarly.
6218 * m88k/m88k.h: Similarly.
6219 * mips/mips-protos.h: Similarly.
6220 * mips/mips.c: Similarly.
6221 * mips/mips.h: Similarly.
6222 * ns32k/merlin.h: Similarly.
6223 * ns32k/ns32k.c: Similarly.
6224 * ns32k/ns32k.h: Similarly.
6225 * ns32k/tek6000.h: Similarly.
6226 * pa/pa-protos.h: Similarly.
6227 * pa/pa.c: Similarly.
6228 * pa/pa.h: Similarly.
6229 * pdp11/2bsd.h: Similarly.
6230 * pdp11/pdp11-protos.h: Similarly.
6231 * pdp11/pdp11.c: Similarly.
6232 * pdp11/pdp11.h: Similarly.
6233 * romp/romp-protos.h: Similarly.
6234 * romp/romp.c: Similarly.
6235 * romp/romp.h: Similarly.
6236 * rs6000/rs6000-protos.h: Similarly.
6237 * rs6000/rs6000.c: Similarly.
6238 * rs6000/rs6000.h: Similarly.
6239 * rs6000/sysv4.h: Similarly.
6240 * sh/sh-protos.h: Similarly.
6241 * sh/sh.c: Similarly.
6242 * sh/sh.h: Similarly.
6243 * sparc/sparc-protos.h: Similarly.
6244 * sparc/sparc.c: Similarly.
6245 * sparc/sparc.h: Similarly.
6246 * vax/vax.c: Similarly.
6247 * vax/vax.h: Similarly.
6248 * vax/vms.h: Similarly.
6249 * we32k/we32k.c: Similarly.
6250 * we32k/we32k.h: Similarly.
6252 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
6254 * basic-block.h (first_insn_after_basic_block_note): Declare.
6255 * flow.c (first_insn_after_basic_block_note): Define. Moved
6257 * ssa.c (first_insn_after_basic_block_note): Remove.
6258 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
6260 (ssa_eliminate_dead_code): Properly update the CFG and PHI
6261 nodes when we find a dead conditional branch. Insert BARRIERs
6262 after any blocks with no successors, but which do not have
6265 2001-07-06 Zack Weinberg <zackw@stanford.edu>
6267 * varray.c (varray_check_failed): Use internal_error.
6269 2001-07-05 Andrew Haley <aph@redhat.com>
6271 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
6272 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
6273 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
6275 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
6277 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
6278 reference if the target constant is also a SYMBOL_REF.
6280 2001-07-05 Eric Christopher <echristo@redhat.com>
6282 * config/mips/mips.h (MASK_MIPS3900): Remove.
6283 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
6284 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
6285 (TARGET_MIPS3900): Change to use mips_arch.
6286 (TARGET_MIPS4000): New.
6287 (TARGET_MIPS4100): New.
6288 (TARGET_MIPS4300): New.
6289 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
6290 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
6292 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
6293 (ISA_HAS_BRANCHLIKELY): To here.
6294 (CC1_CPU_SPEC): New.
6295 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
6296 (mips_arch_string): Declare.
6297 (mips_arch): Declare.
6298 (TARGET_OPTIONS): Add -march and -mtune.
6300 * config/mips/mips.c (mips_arch_string): New.
6302 (override_options): Handle -march for codegen and -mtune
6303 for scheduling. Use mips_arch. Move tx39 target default here.
6304 (mips_parse_cpu): Move error message to override_options.
6306 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
6308 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
6310 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
6311 (MIPS Options): Ditto. Change mcpu entry to historical text.
6313 2001-07-05 H.J. Lu (hjl@gnu.org)
6315 * config/mips/mips.c (mips_parse_cpu): New function to parse
6318 2001-07-05 Jim Wilson <wilson@redhat.com>
6320 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
6321 * config/ia64/t-ia64: Likewise.
6322 (LIB1ASMFUNCS): Update comment.
6324 2001-07-05 David Edelsohn <edelsohn@gnu.org>
6326 * doc/install.texi (Install GCC: Binaries): Fix typo.
6328 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6330 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
6331 reference using the stack pointer, adjust it since we push Y
6333 ("*ashrsi3"): Likewise.
6334 ("*lshrsi3"): Likewise.
6336 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6338 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
6339 when -fomit-frame-pointer is used.
6341 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
6343 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
6344 (try_redirect_by_replacing_jump): Reverse updating properly the
6345 count and frequency information. Reverse removing cc0 setter.
6346 (forwarder_block_p): Reverse fixing for fallthru blocks.
6348 2001-07-05 DJ Delorie <dj@redhat.com>
6350 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
6351 (translate_options): If the above is defined, use it to map
6352 given options to new options.
6353 * doc/tm.texi: Document it.
6355 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
6356 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6358 * doc/invoke.texi (Optimize Options): Document that -fgcse may
6359 cause programs using computed gotos to run more slowly.
6361 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6363 * doc/install.texi (Specific): Markup, spelling and typo fixes.
6365 Consistently require binutils 2.11.2, not prereleases.
6366 (Specific, decstation-*): Canonicalize as mips-dec-*.
6367 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
6369 (Specific, m68k-altos): Removed reference to README.altos, deleted.
6370 (Specific, mips-*): Reword MIPS C compiler requirements.
6371 (Specific, powerpc*-*-*): New, mention --with-cpu once.
6372 (Specific, sunv5): Removed, obsolete.
6374 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
6376 * dwarf2out.c (output_loc_list): Use an all ones mask for
6377 .text asm output and don't rely on long long
6378 literals. Reformat some long lines.
6380 2001-07-05 Andreas Jaeger <aj@suse.de>
6382 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
6385 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
6387 * dwarf2out.c (dwarf2out_define): Update comment.
6388 (dwarf2out_undef): Ditto.
6389 (dwarf2out_start_source_file): Ditto.
6390 (dwarf2out_end_source_file): Ditto.
6391 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
6392 since we never call the start/end debug hook for the primary file.
6394 2001-07-04 Kazu Hirata <kazu@hxi.com>
6396 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
6399 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
6401 * cppinit.c (remove_dup_dirs): Inform if a system include
6402 directory is being reordered.
6403 * doc/invoke.texi (Directory Options): GCC warns if you hide a
6405 * doc/cpp.texi (Search Paths): Likewise.
6406 * doc/gcc.texi (Interoperation): Remove information about
6409 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
6411 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
6412 (VARRAY_TOP_CHAR_PTR): Likewise.
6414 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6416 * gcc.c (process_command): Don't assign elements of a const char*.
6418 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6420 * emit-rtl.c (change_address): Don't abort if invalid address while
6421 reload is in progress.
6423 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
6425 * c-lex.c (cb_file_change): Pass line number to
6426 debug_start_source_file.
6427 (cb_undefine): Pass correct line number to debug_undef.
6429 * toplev.c (debug_start_source_file): Add line number to
6430 parameters. Pass it along to dwarf2out_start_source_file.
6431 (decode_g_option): Stop resetting debug level back to normal when
6432 we change debug formats, unless the current level is
6433 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
6436 * toplev.h (debug_start_source_file): Add line number to
6439 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
6442 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
6444 Output debug_macinfo data for starting file if requested.
6445 (dwarf2out_end_source_file): Output debug_macinfo data for ending
6447 (dwarf2out_define): Output debug_macinfo data for defining a macro
6449 (dwarf2out_undef): Output debug_macinfo data for undefining a
6451 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
6452 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
6453 (macinfo_section_label): New. DWARF2 macro info section label.
6454 (dwarf2out_init): If we want macro info, output the start label
6456 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
6457 attribute to the compilation unit die pointing to the macro info.
6459 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
6461 * dwarf2out.c (new_loc_list): Move to inside #ifdef
6462 DWARF2_DEBUGGING_INFO.
6463 (add_loc_descr_to_loc_list): Ditto.
6464 (output_loc_list): Ditto.
6465 Also, fix thinko in curr not being initialized.
6466 (gen_internal_sym): Ditto.
6468 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6470 * emit-rtl.c (replace_equiv_address): New function.
6471 * expr.h (replace_equiv_address): New declaration.
6472 * explow.c (validize_mem): Call it instead of change_address and
6473 also call if -fforce-addr and address is constant.
6474 * expr.c: Replace more calls to change_address with adjust_address
6475 and/or replace_equiv_address or to validize_mem.
6476 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
6477 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
6478 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
6479 * config/i370/i370.md, config/i860/i860.md: Likewise.
6480 * config/i960/i960.md, config/mips/mips.c: Likewise.
6481 * config/mips/mips.md, config/pa/pa.md: Likewise.
6482 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
6483 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
6485 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6487 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
6489 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
6492 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
6494 * doc/include: New directory.
6495 * doc/fdl.texi: Move to doc/include/fdl.texi.
6496 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
6497 * doc/include/funding.texi, doc/include/gpl.texi: New files.
6498 * doc/gcc.texi: Use funding.texi and gpl.texi.
6499 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
6500 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
6501 Update dependencies and use -I $(docdir)/include.
6503 2001-07-04 Anthony Green <green@redhat.com>
6505 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
6507 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6509 * doc/install.texi (sparc64-*-*): Remove garbage.
6511 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
6513 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
6514 Fix typo in last change to use adjust_address.
6516 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6518 * doc/install.texi (Specific): Update information for *-*-solaris*.
6520 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6522 * explow.c (plus_constant_wide): Reinitialize Y for restart.
6524 2001-07-03 Stan Shebs <shebs@apple.com>
6526 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
6527 case for flag_no_mach_text_sections.
6528 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
6529 * config/darwin.c (flag_no_mach_text_sections): Remove.
6530 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
6532 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6534 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
6535 and avoid checking for constant as first operand.
6536 * recog.c (find_constant_term_loc): No longer static.
6537 (adj_offettable_operand): Delete.
6538 * rtl.h (adj_offsettable_operand): Delete declaration.
6539 (find_constant_term): Add declaration.
6540 * caller-save.c: Replace calls to adj_offsettable_operand with calls
6542 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
6543 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
6544 * config/i386/i386.c, config/i386/i386.md: Likewise.
6545 * config/i860/i860.c, config/i960/i960.c: Likewise.
6546 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
6547 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
6548 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
6549 * config/mips/mips.c, config/mips/mips.md: Likewise.
6550 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
6551 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
6552 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
6553 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
6554 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
6555 * config/ns32k/ns32k.md: Likewise.
6557 2001-07-03 Zack Weinberg <zackw@stanford.edu>
6559 * rtl.c (copy_rtx): Handle 'T' format letter.
6560 * gensupport.c (collect_insn_data): Likewise.
6561 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
6563 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
6565 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
6566 -B option. Use 'dir' not 'foo' as example directory name.
6568 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6570 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
6571 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
6573 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
6575 * doc/cppinternals.texi: Improve formatting and logical markup.
6577 2001-07-03 Andreas Jaeger <aj@suse.de>
6579 * Makefile.in (insn-recog.o): Add dependency on reload.h.
6581 * genrecog.c (write_header): Include reload.h for prototypes in
6584 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
6587 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
6588 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
6589 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
6590 i386_pe_valid_type_attribute_p): Add.
6591 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
6592 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
6594 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6596 * explow.c (plus_constant_wide, case LO_SUM): New case.
6597 (plus_constant_for_output_wide): Delete.
6598 * rtl.h (plus_constant_for_output): Delete.
6599 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
6600 instead of plus_constant_for_output.
6601 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
6602 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
6603 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
6604 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
6605 * config/sparc/sparc.md: Likewise.
6606 Convert some change_address calls to adjust_address.
6608 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
6610 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
6611 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
6612 documentation of -std and -Wwrite-strings.
6614 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
6616 * cse.c (canon_hash): Don't register registers in very small
6617 register classes, as extending their lifetime might cause
6620 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6622 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
6624 * flow.c (forwarder_block_p): Fix for fallthru blocks.
6625 (try_redirect_by_replacing_jump): Update properly the count
6626 and frequency information.
6628 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
6630 * toplev.c (dump_file_index): Move SSA dumps just after first
6632 (dump_file): Corresponding changes.
6633 (rest_of_compilation): Move SSA path to just after the first
6635 * doc/gcc.texi (Passes): Update due to movement of SSA path.
6636 * doc/invoke.texi: Update dump file #s as they were completely
6637 out of date with reality.
6639 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
6641 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
6643 * expr.c (emit_move_insn_1): Deal with non-default
6646 * expr.c (emit_single_push_insn): Fix warning.
6648 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6650 * expr.c (emit_move_insn_1): Avoid modifying
6651 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
6653 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6655 * emit-rtl.c (adjust_address): New function.
6656 * expr.h (adjust_address): Add declaration.
6657 * builtins.c: Replace some calls to change_address with calls to it
6659 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
6660 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
6661 * config/arm/arm.c, config/convex/convex.c: Likewise.
6662 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
6663 * config/i386/i386.c, config/i386/i386.md: Likewise.
6664 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
6665 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
6666 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
6667 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
6668 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
6670 2001-07-02 Jim Wilson <wilson@redhat.com>
6672 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
6674 2001-07-02 Steve Ellcey <sje@cup.hp.com>
6676 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
6677 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
6679 2001-07-02 Zack Weinberg <zackw@stanford.edu>
6681 * cppinit.c (lang_defaults): New table.
6682 (set_lang): Just read from lang_defaults into the live options
6685 2001-07-02 Zack Weinberg <zackw@stanford.edu>
6687 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
6688 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
6689 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
6691 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6693 * doc/install.texi: Various spelling and markup fixes.
6694 (Installing GCC): Component specific installation instructions are
6697 Warn about removing old install dir in the presence of shared libs.
6698 (Configuration): Invoke with options target to match configure
6700 Consistently refer to gas, gld pathnames.
6701 Invert --enable-multilib documentation.
6702 Remove references to old compiler versions.
6704 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6706 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
6708 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6710 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
6712 (Specific, mips*-sgi-irix5): Note IDO download.
6713 Reworded MIPS C hints.
6714 Use GNU as instead of GAS.
6716 Removed SGI Freeware reference, IRIX 6 only.
6717 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
6718 Note N64 library requirement/workaround.
6720 Complete list of structure passing bug victims.
6722 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6724 * doc/install.texi: Remove CVS Id.
6726 2001-07-02 Andreas Jaeger <aj@suse.de>
6728 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
6729 (find_inherently_necessary): Remove unused variable.
6731 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
6733 * c-common.h (TDI_inlined): New ast dump phase.
6734 (dump_flag_name): New function.
6735 * c-dump.c (dump_files): Add inlined phase.
6736 (dump_flag_name): Define.
6737 * doc/invoke.texi (-fdump-ast-inlined): Document.
6739 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6741 * stor-layout.c (layout_decl): Revert change to handling of alignment
6744 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6746 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
6749 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
6751 * doc/tm.texi (FUNCTION_ARG): Document that the last call
6754 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
6756 * tlink.c (recompile_files): Remove COMPILER_PATH and
6757 LIBRARY_PATH from the environment.
6759 2001-07-01 Zack Weinberg <zackw@stanford.edu>
6761 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
6762 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
6764 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
6766 * c-parse.in (OBJC_STRING): Kill.
6767 (objc_string): Decompose to [objc_string] '@' STRING.
6768 (reswords): Take the leading '@' off all the Objective C keywords.
6769 (objc_rid_sans_at): Kill.
6770 (init_reswords): Don't initialize it.
6771 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
6772 (_yylex): Kill reconsider label. Look ahead one token after
6773 an '@'; if we get an identifier, check whether it's an
6774 Objective C @-keyword. If so, return the keyword. Otherwise,
6775 put back the token and return the '@' as a terminal.
6777 * cpplib.c (lex_macro_node): Remove unnecessary check for
6778 leading '@' on identifier. Clarify control flow and commentary.
6780 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6782 * cse.c (new_label_ref): Variable deleted.
6783 (insert): Remove set of new_label_ref.
6784 (check_for_label_ref): New function.
6785 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
6787 See ChangeLog.5 for earlier changes.