1 2001-08-29 Kazu Hirata <kazu@hxi.com>
3 * config/h8300/lib1funcs.asm: Fix comment typos.
5 2001-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7 * iris6.h (ASM_DECLARE_OBJECT_NAME, ASM_FINISH_DECLARE_OBJECT):
8 Fix format specifier warnings.
10 * irix6-libc-compat.c (inet_ntoa, inet_lnaof, inet_netof,
11 inet_makeaddr, semctl): Prototype.
13 * mips.c (compute_frame_size): Fix signed/unsigned warnings.
14 (save_restore_insns): Use base_offset, not gp_offset.
16 * mips.h (GP_REG_OR_PSEUDO_STRICT_P): Fix signed/unsigned warning.
17 (ASM_OUTPUT_BYTE): Fix format specifier warning.
19 2001-08-29 Richard Henderson <rth@redhat.com>
21 * bb-reorder.c (function_tail_eff_head): New.
22 (record_effective_endpoints): Set it.
23 (fixup_reorder_chain): Use it.
25 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
27 * dwarf2asm.c (dw2_asm_output_nstring): Fix typo in previous change.
29 2001-08-28 Dale Johannesen <dalej@apple.com>
31 * config/darwin.c (machopic_function_base_name): Add const
32 qualifier to a string.
33 (darwin_encode_section_info): Ditto.
35 2001-08-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
37 * tree.c (default_valid_attribute_p): Don't use PARAMS on a
40 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
42 * df.h (struct df): Add rts_order variable.
44 * df.c (df_visit_next_rts): New function.
45 (df_visit_next): Renamed to df_visit_next_rc
46 (df_analyse_1): Allocate/compute/free rts_order as well.
47 (df_rd_global_compute): Use df_visit_next_rc instead of
49 (df_ru_global_compute): Use df_visit_next_rts instead of
52 * flow.c (flow_reverse_top_sort_order_compute): New function.
54 * basic-block.h: Add prototype.
56 2001-08-28 Daniel Berlin <dan@cgsoftware.com>
58 * ssa-ccp.c (ssa_ccp_df_delete_unreachable_insns): For unreachable
59 blocks, the BB_REACHABLE is now set, rather than aux being
60 non-NULL. Update the test to reflect this.
62 2001-08-28 Eric Christopher <echristo@redhat.com>
64 * config/mips/crtn.asm: Add comment explaining 16 byte alignment.
65 config/mips/crti.asm: Ditto.
67 2001-08-28 Eric Christopher <echristo@redhat.com>
68 Richard Henderson <rth@redhat.com>
70 * c-pragma.h (add_weak): Move prototype from here...
71 * output.h (add_weak): ... to here.
72 * varasm.c (add_weak): Fix typo.
73 * config/mips/crti.asm: New file.
74 * config/mips/crtn.asm: Ditto.
75 * config/mips/elf.h (SBSS_SECTION_ASM_OP) Add #undef.
76 (CTOR_LISTS_DEFINED_EXTERNALLY): Remove.
77 (INVOKE__main): Ditto.
78 (INIT_SECTION_ASM_OP): New.
79 (FINI_SECTION_ASM_OP): Ditto.
80 (STARTFILE_SPEC): Add crti.
81 (ENDFILE_SPEC): Add crtn.
82 * config/mips/elf64.h: Same.
83 * config/mips/rtems64.h (INVOKE__main, NAME__MAIN, SYMBOL__MAIN):
85 * config/mips/vxworks.h: Ditto.
86 * config/mips/t-elf: Support crti and crtn.
88 2001-08-28 Alexandre Oliva <aoliva@redhat.com>
90 * jump.c (mark_jump_label): Fix typo: REG_LABEL is EXPR_LIST, not
93 2001-08-28 Richard Henderson <rth@redhat.com>
95 * config/ia64/ia64.md (andcmbi3, iorcmbi3): Fix typos.
96 (one_cmplbi2 splitter): Remove redundant test.
98 2001-08-28 Dale Johannesen <dalej@apple.com>
100 * config/rs6000/darwin.h (DEFAULT_SIGNED_CHAR): Define.
102 2001-08-28 Danny Smith <dannysmith@users.sourceforge.net>
104 * config/i386/cygwin.h (BIGGEST_FIELD_ALIGNMENT): Set to 64.
106 2001-08-28 Stan Shebs <shebs@apple.com>
108 * config/darwin.h (ASM_OUTPUT_LABELREF): Handle '*' names.
109 (UNALIGNED_SHORT_ASM_OP): Define.
110 (UNALIGNED_INT_ASM_OP): Define.
112 2001-08-28 Will Cohen <wcohen@redhat.com>
114 * config/rs6000/rs6000.md (store_multiple): Correct RTL
115 generation for first set.
117 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
119 * flow.c (redirect_edge_succ_nodup): Return new edge.
120 (try_simplify_condjump): Use new edge.
121 * basic-block.h (redirect_edge_succ_nodup): Update prototype.
123 * cse.c (cse_basic_block): Skip note instructions.
125 2001-08-27 Richard Henderson <rth@redhat.com>
127 * combine.c (combine_simplify_rtx): Don't reverse condition
128 if there is no reverse for the condition.
129 (simplify_comparison): Don't simplify subregs from INT to FP.
131 * config/m68k/m68k.md (sordered, sordered_1, sunordered, sunordered_1,
132 suneq, suneq_1, sunge, sunge_1, sungt, sungt_1, sunle, sunle_1,
133 sunlt, sunlt_1, sltgt, sltgt_1, fsogt_1, fsoge_1, fsolt_1, fsole_1,
134 bordered, bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt,
135 bordered_rev, bunordered_rev, buneq_rev, bunge_rev, bungt_rev,
136 bunle_rev, bunlt_rev, bltgt_rev): New patterns.
138 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
140 * config/m68k/m68k.md (subreghi1ashrdi_const32, bsetmemqi,
141 bsetmemqi+1, strict_low_part peephole): Fix SUBREG_BYTE offset.
143 (adddi_dilshr32, adddi_dishl32): Only data register can be
144 source for mem destination.
146 * expmed.c (store_bit_field): Ignore adjustment to bitpos
147 and use bitnum to decide about register move.
149 2001-08-27 Richard Henderson <rth@redhat.com>
151 * genattr.c (main): Emit state_t even when not doing scheduling.
153 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
154 Richard Henderson <rth@redhat.com>
156 * gcse.c (reg_first_set, reg_last_set): Replace with ...
157 (reg_avail_info, current_bb): ... these.
158 (oprs_unchanged_p, record_last_reg_set_info): Use them.
159 (compute_hash_table): Likewise.
161 2001-08-27 Roman Zippel <zippel@linux-m68k.org>
163 * flow.c (verify_flow_info): Use checksums to verify edges.
165 2001-08-27 Richard Henderson <rth@redhat.com>
167 * genautomata.c (expand_automata): Always create a description.
169 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
171 * optabs.c (expand_binop): Correctly handle the carry in multiword
172 add/subtract operations.
174 2001-08-27 Fred Fish <fnf@be.com>
176 * ginclude/stddef.h: Fix typo, __SIZE__TYPE__ should be
179 2001-08-27 Geoffrey Keating <geoffk@redhat.com>
181 * reload.c (find_reloads_toplev): Back out this change:
183 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
185 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
186 mem if the address is a mode_dependent_address_p.
188 2001-08-27 Vladimir Makarov <vmakarov@touchme.toronto.redhat.com>
190 * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
191 PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
192 AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
195 * genattr.c (main): New variable num_insn_reservations. Increase
196 it if there is DEFINE_INSN_RESERVATION. Output automaton based
197 pipeline hazard recognizer interface.
199 * genattrtab.h: New file.
201 * genattrtab.c: Include genattrtab.h.
202 (attr_printf, check_attr_test, make_internal_attr,
203 make_numeric_value): Move protypes into genattrtab.h. Define them
205 (num_dfa_decls): New global variable.
206 (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
207 DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
208 DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
209 DEFINE_INSN_RESERVATION. Call expand_automata and write_automata.
211 * genautomata.c: New file.
213 * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.
215 * sched-int.h: (curr_state): Add the external definition for
216 automaton pipeline interface.
217 (haifa_insn_data): Add comments for members blockage and units.
219 * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
220 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
221 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
222 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
223 TARGET_SCHED_DFA_POST_CYCLE_INSN,
224 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
225 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
227 (TARGET_SCHED): Use the new macros.
229 * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
230 dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
231 first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
232 dfa_bubble): New members in gcc_target.sched.
234 * haifa-sched.c (insert_schedule_bubbles_p): New variable.
235 (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
236 (insn_queue): Redefine it as pointer to array.
237 (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
239 (max_insn_queue_index_macro_value): New variable.
240 (curr_state, dfa_state_size, ready_try): New varaibles for
242 (ready_element, ready_remove, max_issue): New function prototypes
243 for automaton interface.
244 (choose_ready): New function prototype.
245 (insn_unit, blockage_range): Add comments.
246 (unit_last_insn, unit_tick, unit_n_insns): Define them for case
247 FUNCTION_UNITS_SIZE == 0.
248 (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
249 actual_hazard, potential_hazard): Add comments.
250 (insn_cost): Use cost -1 as undefined value. Remove
251 LINK_COST_ZERO and LINK_COST_FREE. Add new code for automaton
253 (ready_element, ready_remove): New functions for automaton
255 (schedule_insn): Add new code for automaton pipeline interface.
256 (queue_to_ready): Add new code for automaton pipeline interface.
257 Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
258 (debug_ready_list): Print newline when the queue is empty.
259 (max_issue): New function for automaton pipeline interface.
260 (choose_ready): New function.
261 (schedule_block): Add new code for automaton pipeline interface.
262 Print ready list before scheduling each insn.
263 (sched_init): Add new code for automaton pipeline interface.
264 Initiate insn cost by -1.
265 (sched_finish): Free the current automaton state and finalize
266 automaton pipeline interface.
268 * sched-rgn.c: Include target.h.
269 (init_ready_list, new_ready, debug_dependencies): Add new code for
270 automaton pipeline interface.
272 * sched-vis.c: Include target.h.
273 (get_visual_tbl_length): Add code for automaton interface.
274 (target_units, print_block_visualization): Add comments.
276 * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
277 USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
278 (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
279 (getruntime.o, genautomata.o): New entries.
280 (genattrtab.o): Add new dependency file genattrtab.h.
281 (genattrtab): Add new dependencies. Link it with `libm.a'.
282 (getruntime.o, hashtab.o): New entries for canadian cross.
284 * doc/md.texi: Description of automaton based model.
286 * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
288 (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
289 TARGET_SCHED_DFA_PRE_CYCLE_INSN,
290 TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
291 TARGET_SCHED_DFA_POST_CYCLE_INSN,
292 TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
293 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
294 TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
296 (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
297 MAX_DFA_ISSUE_RATE): New macro descriptions.
299 * doc/contrib.texi: Add dfa based scheduler contribution.
301 * doc/gcc.texi: Add more information about genattrtab.
303 2001-08-27 Diego Novillo <dnovillo@redhat.com>
305 * flow.c (flow_loop_dump): Do not display insn UIDs if this is not
308 2001-08-27 Richard Henderson <rth@redhat.com>
310 * function.c (expand_function_end): Don't init arg_pointer_save_area.
311 (get_arg_pointer_save_area): New. Create an init it here.
312 (fix_lexical_addr): Use it.
313 * function.h: Declare it.
314 * builtins.c (expand_builtin_setjmp_receiver): Use it.
315 * stmt.c (expand_nl_goto_receiver): Use it.
317 2001-08-27 Richard Henderson <rth@redhat.com>
319 * final.c (final_scan_insn): Don't enter APP_ON mode for
322 * dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Use proper
323 alignment for assemble_integer for DW_EH_PE_aligned.
324 * except.c (output_function_exception_table): Likewise.
326 2001-08-26 Andreas Jaeger <aj@suse.de>
328 * c-tree.h: Add prototyp for c_sizeof_nowarn.
330 2001-08-25 Dan Nicolaescu <dann@ics.uci.edu>
332 * ssa-ccp.c (ssa_const_prop): Free ssa_edges.
334 2001-08-27 Alan Modra <amodra@bigpond.net.au>
336 * config/rs6000/rs6000.c (mask_operand): Rewrite without
338 (mask64_operand): Likewise.
339 (rldic_operand): Delete.
340 (includes_lshift64_p): Delete.
341 (includes_rldic_lshift_p): New function.
342 (includes_rldicr_lshift_p): New function.
343 (print_operand): Don't call rldic_operand in case 'W'.
344 * config/rs6000/rs6000-protos.h (rldic_operand): Remove.
345 (includes_lshift64_p): Remove.
346 (includes_rldic_lshift_p): Declare.
347 (includes_rldicr_lshift_p): Declare.
348 * config/rs6000/rs6000.h (PREDICATE_CODES): Remove rldic_operand.
349 * config/rs6000/rs6000.md <ashldi3_internal 64 bit patterns>:
350 Replace match_operand rldic_operand predicate with
351 const_int_operand. Replace includes_lshift64_p condition with
352 includes_rldic_lshift_p.
353 <ashldi3_internal 64 bit rldicr patterns>: New.
355 2001-08-27 Andreas Jaeger <aj@suse.de>
357 * emit-rtl.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
358 * errors.c: Likewise.
360 * dwarf2asm.c: Likewise.
361 * doprint.c (checkit): Likewise.
362 * diagnostic.c: Likewise.
363 * collect2.c: Likewise.
365 * c-semantics.c (build_stmt): Likewise.
366 * c-format.c (status_warning): Likewise.
367 * c-errors.c (pedwarn_c99): Likewise.
368 * builtins.c (validate_arglist): Likewise.
369 * config/pj/pj.c (pj_printf): Likewise.
370 * fix-header.c: Likewise.
372 * gcov.c (fnotice): Likewise.
373 * gensupport.c (message_with_line): Likewise.
374 * mips-tfile.c: Likewise.
375 * protoize.c (notice): Likewise.
376 * read-rtl.c (fatal_with_file_and_line): Likewise.
377 * rtl-error.c: Likewise.
378 * tradcpp.c: Likewise.
380 * cp/tree.c (build_min_nt): Likewise.
381 (build_min): Likewise.
382 * cp/lex.c: Likewise.
383 * cp/errfn.c: Likewise.
384 * cp/rtti.c (create_pseudo_type_info): Likewise.
386 Sun Aug 26 20:25:44 2001 Denis Chertykov <denisc@overta.ru>
388 * df.c (df_uses_record): Return after recording all uses
391 2001-08-26 Daniel Berlin <dan@cgsoftware.com>
393 * df.c (df_insn_modify): Realloc the INSN table here, if
394 necessary, here, too.
396 2001-08-26 Aldy Hernandez <aldyh@redhat.com>
398 * config/mips/mips.c (mips_function_value): Handle complex return
401 2001-08-25 Hans-Peter Nilsson <hp@bitrange.com>
403 * reload1.c (reload): Make all entries in reg_equiv_memory_loc
405 * reload.c (make_memloc): Copy result if it is still
406 reg_equiv_memory_loc[regno] on return.
407 (subst_reloads) [ENABLE_CHECKING]: Check that none of
408 reg_equiv_constant, reg_equiv_memory_loc, reg_equiv_address and
409 reg_equiv_mem are modified by the substitutions.
411 Sat Aug 25 23:07:35 CEST 2001 Jan Hubicka <jh@suse.cz>
413 * predict.c (expensive_function_p): New.
414 * rtl.h (expensive_function_p): Declare.
415 * i386.c (FAST_PROLOGUE_INSN_COUNT): New constant.
416 (use_fast_prologue_epilogue): New static variable.
417 (expand_prologue): Set it; emit short prologues if unset.
418 (expand_epilogue): Likewise.
420 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
422 * config.gcc: Add stormy16-*-elf case.
423 * config/stormy16/stormy-abi: New file.
424 * config/stormy16/stormy16-lib2.c: New file.
425 * config/stormy16/stormy16-protos.h: New file.
426 * config/stormy16/stormy16.c: New file.
427 * config/stormy16/stormy16.h: New file.
428 * config/stormy16/stormy16.md: New file.
429 * config/stormy16/t-stormy16: New file.
431 Sat Aug 25 15:46:51 CEST 2001 Jan Hubicka <jh@suse.cz>
433 * i386.h (no-accumulate-outgoing-args): Use proper mask.
435 2001-08-24 David Edelsohn <edelsohn@gnu.org>
437 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Function
438 descriptor members are pointer size, not constant 4.
439 * config/rs6000/rs6000.md (define_splits): Remove more unused
442 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
444 * sparc.h (ASM_OUTPUT_BYTE): Fix format specifier warning.
446 2001-08-24 Andreas Jaeger <aj@suse.de>, rkl@connect.org.uk
448 * cp/rtti.c (VPARAMS): Fix parameter.
450 2001-08-24 Zack Weinberg <zackw@panix.com>
452 * expmed.c: Default-#define HAVE_insv, HAVE_extv, and HAVE_extzv
454 (mode_for_extraction): No need for #ifdefs. Add default-case abort
456 (store_bit_field): Eliminate insv_bitsize variable. Put HAVE_insv
457 in if controlling use of insv.
458 (extract_bit_field): Likewise, for extv and extzv.
460 Fri Aug 24 17:27:46 CEST 2001 Jan Hubicka <jh@suse.cz>
462 * i386.md (movcc peep2): Fix load of 0.
464 2001-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
466 * fold-const.c (tree_expr_nonnegative_p): Handle *_DIV_EXPR,
467 *_MOD_EXPR, SAVE_EXPR and NON_LVALUE_EXPR.
469 2001-08-23 Jason Merrill <jason_merrill@redhat.com>
471 * c-pragma.h: Move weak_syms and weak_decls...
472 * varasm.c: ...here. Now static.
473 (declare_weak, weak_finish, remove_from_pending_weak_list): Don't
474 depend on HANDLE_PRAGMA_WEAK.
476 * c-common.c (c_alignof, c_alignof_expr): Move here...
477 * c-typeck.c: ...from here.
478 * c-tree.h, c-common.h: Adjust.
480 2001-08-23 Bernd Schmidt <bernds@redhat.com>
482 * config/ia64/ia64.c (rws_update): If !pred, set write_count
483 instead of incrementing it.
485 * config/ia64/ia64.c (ia64_sched_reorder): When there's more than one
486 asm ready, don't try to move them all into the same array element.
488 Thu Aug 23 17:21:43 CEST 2001 Jan Hubicka <jh@suse.cz>
490 * function.c (thread_prologue_and_epilogue_insns): Avoid
491 fallthru flag on edge to exit.
493 * i386.md (trunc?fsi splitter): Conditionionize for non-sse.
495 * flow.c (delete_noop_moves, propagate_block_delete_insn): Purge
498 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
500 * config/mcore/mcore.h (MACHINE_DEPENDENT_SIMPLIFY): Remove.
501 * config/mcore/mcore.c (mcore_dependent_simplify_rtx): Likewise.
502 * config/mcore/mcore-protos.h (mcore_dependent_simplify_rtx):
505 2001-08-23 Lars Brinkhoff <lars@nocrew.org>
507 * genconstants.c, genpreds.c, libfuncs.h, optabs.h, rtl-error.h:
508 replace "GNU CC" with "GCC".
510 2001-08-23 Richard Henderson <rth@redhat.com>
512 * config/ia64/ia64.c (ia64_register_move_cost): Add mode arguemnt.
513 Reorganize. Handle ADDL like GR, add GR_AND_BR. Handle TFmode.
514 (ia64_secondary_reload_class): Need GR between AR/BR and anything.
515 Need GR between FR and not GR_AND_FR.
516 * config/ia64/ia64-protos.h (ia64_register_move_cost): Update.
517 * config/ia64/ia64.h (reg_class): Add GR_AND_BR_REGS, move
518 AR regs before GR regs.
519 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
520 (PREFERRED_RELOAD_CLASS): Tweak for reordered classes.
521 (REGISTER_MOVE_COST): Update.
522 (MEMORY_MOVE_COST): Add GR_AND_FR_REGS.
524 2001-08-23 Richard Henderson <rth@redhat.com>
526 * regclass.c (init_reg_sets_1): Don't assume cost 2 within
529 2001-08-22 Geoffrey Keating <geoffk@redhat.com>
531 * reload1.c (emit_reload_insns): Don't look for notes
532 on a NULL store_insn.
534 2001-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
536 * sparc.c (uns_small_int): Don't reference a constant >32-bit.
537 (addrs_ok_for_ldd_peep): Fix signed/unsigned warning.
538 (sparc_flat_function_prologue, sparc_flat_function_epilogue): Fix
539 format specifier warnings.
540 (sparc_sched_reorder): Mark parameter with ATTRIBUTE_UNUSED.
542 2001-08-22 David Billinghurst <David.Billinghurst@riotinto.com>
544 * config/i386/i386-protos.h: Correct declaration of
545 i386_pe_asm_named_section.
547 2001-08-22 John David Anglin <dave@hiauly1.hia.nrc.ca>
549 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Add declaration for
551 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
553 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
555 * cpperror.c (print_location): Don't show _Pragma.
556 * cppfiles.c (_cpp_pop_file_buffer): Handle -include file pushing
557 and file change callback generation here.
558 (stack_include_file): Update use of cpp_push_buffer.
559 * cpphash.h (_cpp_pop_file_buffer): Update prototype.
560 (struct cpp_buffer): Remove type, pfile members.
561 * cppinit.c (cpp_handle_option): Use free_chain.
562 * cpplex.c (_cpp_lex_token): Don't do -include file pushing here.
563 (skip_escaped_newlines, get_effective_char, lex_percent): Take
564 a cpp_reader rather than a cpp_buffer.
565 (skip_escaped_newlines, get_effective_char, skip_block_comment,
566 skip_line_comment, parse_string, lex_percent, lex_dot,
567 _cpp_lex_token): Update accordingly.
568 * cpplib.c (_cpp_pop_buffer): Don't do file change callback
570 (cpp_push_buffer): Update prototype.
571 (run_directive): Update use of cpp_push_buffer.
572 (_cpp_do__Pragma, cpp_define, cpp_define_builtin, cpp_undef,
573 handle_assertion): Update use of run_directive.
574 * cpplib.h (enum cpp_buffer_type): Remove.
575 (cpp_push_buffer): Update prototype.
576 * fix-header.c (read_scan_file): Update.
578 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
580 * gcc.c (struct prefix_list): Change prefix to const char *.
582 2001-08-22 Matt Kraai <kraai@alumni.carnegiemellon.edu>
584 * final.c (final_scan_insn): Call ADDR_VEC_ALIGN on next insn.
586 2001-08-22 Jason Merrill <jason_merrill@redhat.com>
588 * explow.c (set_mem_attributes): Avoid returning a bogus alias set
591 * jump.c (squeeze_notes): Take parms by reference. Handle END being
594 * ifcvt.c (dead_or_predicable): Adjust.
595 * loop.c (find_and_verify_loops): Adjust.
596 * stmt.c (expand_end_case): Adjust.
597 * flow.c (merge_blocks_move_successor_nojumps): Adjust. Modify the
598 head and end insn pointers in the basic block, not just local copies.
599 (merge_blocks_move_predecessor_nojumps): Likewise.
601 2001-08-22 Lars Brinkhoff <lars@nocrew.org>
603 * Makefile.in, alias.c, basic-block.h, bb-reorder.c, bitmap.c,
604 bitmap.h, builtin-types.def, builtins.c, builtins.def,
605 c-aux-info.c, c-common.c, c-common.def, c-common.h,
606 c-convert.c, c-decl.c, c-dump.c, c-dump.h, c-errors.c,
607 c-format.c, c-lang.c, c-lex.c, c-lex.h, c-parse.in,
608 c-pragma.c, c-pragma.h, c-semantics.c, c-tree.h, c-typeck.c,
609 caller-save.c, calls.c, collect2.c, collect2.h, combine.c,
610 conditions.h, config.gcc, configure.frag, configure.in,
611 conflict.c, convert.c, convert.h, cppspec.c, crtstuff.c,
612 cse.c, cselib.c, cselib.h, dbxout.c, dbxout.h, defaults.h,
613 dependence.c, df.c, df.h, diagnostic.c, diagnostic.h,
614 doloop.c, dominance.c, dwarf.h, dwarf2.h, dwarf2asm.c,
615 dwarf2asm.h, dwarf2out.c, dwarf2out.h, dwarfout.c,
616 emit-rtl.c, errors.c, errors.h, except.c, except.h,
617 exgettext, explow.c, expmed.c, expr.c, expr.h, final.c,
618 fixproto, flags.h, flow.c, fold-const.c, fp-test.c,
619 function.c, function.h, gbl-ctors.h, gcc.c, gcc.h, gcc.hlp,
620 gccspec.c, gcov-io.h, gcse.c, genattr.c, genattrtab.c,
621 gencheck.c, gencodes.c, genconfig.c, genemit.c,
622 genextract.c, genflags.c, gengenrtl.c, genmultilib,
623 genopinit.c, genoutput.c, genpeep.c, genrecog.c,
624 gensupport.c, gensupport.h, ggc-callbacks.c, ggc-common.c,
625 ggc-none.c, ggc-page.c, ggc-simple.c, ggc.h, global.c,
626 graph.c, graph.h, gthr-aix.h, gthr-dce.h, gthr-posix.h,
627 gthr-rtems.h, gthr-single.h, gthr-solaris.h, gthr-vxworks.h,
628 gthr-win32.h, gthr.h, haifa-sched.c, halfpic.c, halfpic.h,
629 hard-reg-set.h, hwint.h, ifcvt.c, input.h, insn-addr.h,
630 integrate.c, integrate.h, jump.c, lcm.c, libgcc2.c,
631 libgcc2.h, lists.c, local-alloc.c, loop.c, loop.h,
632 machmode.def, machmode.h, main.c, mbchar.c, mbchar.h,
633 mips-tdump.c, mips-tfile.c, mklibgcc.in, mkmap-flat.awk,
634 mkmap-symver.awk, optabs.c, output.h, params.c, params.def,
635 params.h, predict.c, predict.def, predict.h, prefix.c,
636 prefix.h, print-rtl.c, print-tree.c, profile.c, protoize.c,
637 read-rtl.c, real.c, real.h, recog.c, recog.h, reg-stack.c,
638 regclass.c, regmove.c, regrename.c, regs.h, reload.c,
639 reload.h, reload1.c, reorg.c, resource.c, resource.h, rtl.c,
640 rtl.def, rtl.h, rtlanal.c, sbitmap.c, sbitmap.h,
641 sched-deps.c, sched-ebb.c, sched-int.h, sched-rgn.c,
642 sched-vis.c, sdbout.c, sdbout.h, sibcall.c, simplify-rtx.c,
643 ssa-ccp.c, ssa-dce.c, ssa.c, ssa.h, stmt.c, stor-layout.c,
644 stringpool.c, system.h, timevar.c, timevar.def, timevar.h,
645 tlink.c, toplev.c, toplev.h, tree.c, tree.def, tree.h,
646 tsystem.h, unroll.c, unwind-dw2-fde.c, unwind-dw2-fde.h,
647 unwind-dw2.c, unwind-pe.h, unwind-sjlj.c, unwind.h,
648 unwind.inc, varasm.c, varray.c, varray.h, xcoffout.c,
649 xcoffout.h: replace "GNU CC" with "GCC".
651 2001-08-21 Richard Henderson <rth@redhat.com>
653 * final.c (LABEL_ALIGN_AFTER_BARRIER): Default to no alignment.
654 (final_scan_insn): Consider jump tables data even if we have no
655 independant text section if !JUMP_TABLES_IN_TEXT_SECTION. Use
657 * config/ia64/ia64.h (JUMP_TABLES_IN_TEXT_SECTION): Remove.
658 (ASM_OUTPUT_CASE_END): Remove.
659 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit pc-relative references.
660 * config/ia64/ia64.md (tablejump): Decode pc-relative references.
661 * config/ia64/sysv4.h (ASM_OUTPUT_BEFORE_CASE_LABEL): Remove.
663 2001-08-21 Richard Henderson <rth@redhat.com>
665 * config/ia64/ia64.c (emit_all_insn_group_barriers): Flush state
666 at barrier insns. Emit stop bits before barriers.
668 * flow.c (flow_find_cross_jump): Don't consider unconditional
669 return insns for commoning.
671 * final.c (compute_alignments): Fix typo.
673 * expmed.c (CODE_FOR_insv, gen_insv): Provide defaults.
674 (CODE_FOR_extv, gen_extv, CODE_FOR_extzv, gen_extzv): Likewise.
675 (store_bit_field): Use mode_for_extraction more places.
676 (extract_bit_field): Likewise.
678 2001-08-21 Zack Weinberg <zackw@panix.com>
680 * caller-save.c: Don't include insn-codes.h.
681 (reg_save_code, reg_restore_code): Make arrays of int.
682 All uses updated to match.
683 (insert_save, insert_restore): No need to initialize "code"
684 variable upon declaration.
685 * Makefile.in: update dependencies; fix typo in clean rule.
687 2001-08-21 Richard Henderson <rth@redhat.com>
689 * ifcvt.c (find_if_block): Allow join_bb as EXIT.
690 (merge_if_block): Handle fallout from same.
692 2001-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
694 * builtins.c (type_to_class): Fix typo in last change.
696 2001-08-21 Richard Henderson <rth@redhat.com>
698 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't emit '#' if
699 ia64_asm_output_label.
701 * config/ia64/crtbegin.asm (__do_global_dtors_aux): Use saved
702 copy of gp while the real gp register contains garbage.
704 2001-08-21 Zack Weinberg <zackw@panix.com>
706 * expmed.c (mode_for_extraction): New function.
707 (store_bit_field, extract_bit_field): Use it.
708 * expr.h: Prototype it and provide an enum for its first argument.
710 * combine.c, function.c, recog.c: Don't include insn-codes.h.
711 Use mode_for_extraction rather than testing HAVE_insv/extv/extzv
712 and digging through the insn_data tables.
713 * Makefile.in: Update dependencies.
715 2001-08-22 Neil Booth <neil@daikokuya.demon.co.uk>
717 * cppfiles.c (stack_include_file): line-map.c now handles include
719 (handle_missing_handler): Similarly.
720 (_cpp_execute_include): Similarly.
721 (_cpp_pop_file_buffer): Similarly.
722 * cpphash.h (struct cpp_reader): Remove system_include_depth,
723 buffer_stack_depth and include_depth.
724 * cpplib.c (do_include_common): line-map.c now handles include depth.
725 (cpp_push_buffer): Similarly.
726 (_cpp_pop_buffer): Similarly.
727 * cppmacro.c (builtin_macro): Update.
728 * line-map.c (init_line_maps): Set depth.
729 (add_line_map): Increment "used" earlier. Update and use the
731 (trace_include): Use the include depth.
732 * line-map.h (struct line_maps): New member depth.
734 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
736 * cppfiles.c (stack_include_file): Don't handle -H here.
737 * cppinit.c (cpp_start_read): Set include tracing after
738 cpp_post_options and after stacking the main file.
739 * line-map.c (trace_include): New.
740 (init_line_maps, add_line_map): Update.
741 * line-map.h (struct line_maps): New member trace_includes.
743 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
745 * cppfiles.c (stack_include_file): Harmonize system headerness tests.
746 * cppfiles.c (stack_include_file): Only stack a file if there
747 is something to do. Return a boolean indicating whether a
748 buffer was stacked or not.
749 (_cpp_execute_include): Similarly.
750 (_cpp_read_file): Similarly.
751 * cpphash.h (_cpp_read_file, _cpp_execute_include): Update prototypes.
753 2001-08-21 Sam Steingold <sds@gnu.org>
755 * tradcpp.c (rescan): define obufp_before_macroname before RECACHE
756 (RECACHE): keep obufp_before_macroname up to date
758 2001-08-21 Zack Weinberg <zackw@panix.com>
760 * stmt.c: Don't include insn-codes.h.
761 (expand_end_case): Machine specific logic moved to expr.c.
762 No need to worry about __builtin_classify_type.
763 (check_for_full_enumeration_handling, emit_case_nodes):
766 * builtins.o (expand_builtin_classify_type): Split up so code
767 can be shared with fold_builtin_classify_type.
768 (type_to_class, fold_builtin_classify_type): New functions.
769 (fold_builtins): Handle __builtin_classify_type.
771 * expr.c (do_tablejump): Now static.
772 (case_values_threshold, try_casesi, try_tablejump): New;
773 code mostly from stmt.c (expand_end_case).
774 (expr.h): Update prototypes.
776 * Makefile.in (stmt.o): Update dependencies.
778 2001-08-21 Will Cohen <wcohen@redhat.com>
780 * configure/alpha/alpha.h (CONDITIONAL_REGISTER_USAGE): Added local
781 declaration of variable i.
782 * configure/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Added local
783 declaration of variable i.
785 2001-08-21 Richard Henderson <rth@redhat.com>
787 * crtstuff.c: Fix thinko last change. Move list tails to start
788 of CRT_END section. Tidy ifdefs.
789 (__EH_FRAME_BEGIN__): Always static for ELF.
790 (__do_global_ctors_1): Rename from __frame_dummy.
791 * config/mips/iris6.h (LINK_SPEC): Update for __do_global_ctors_1
792 name change; don't hide __EH_FRAME_BEGIN__.
794 2001-08-21 Richard Henderson <rth@redhat.com>
796 * gdbinit.in: Move break on exit after break on fancy_abort.
798 * config/ia64/ia64.c (ia64_return_in_memory): True for variable
801 2001-08-21 Neil Booth <neil@daikokuya.demon.co.uk>
803 * cpphash.h (_cpp_push_next_buffer): New.
804 * cppinit.c (do_includes): Remove.
805 (push_include, free_chain, _cpp_push_next_buffer): New.
806 (cpp_start_read): Use them to rework command line option handling.
807 (cpp_handle_option): Combine handling of -include and -imacros.
808 * cpplex.c (_cpp_lex_token): Push a new -include buffer if
809 appropriate. Always insert missing \n at EOF.
810 * cpplib.c (start_directive): Get the directive position right.
811 * cppmain.c (cb_file_change): Always print the first line, unless
814 2001-08-20 Andreas Jaeger <aj@suse.de>
816 * profile.c (compute_branch_probabilities): Remove extra new-line
818 * flow.c (verify_flow_info): Likewise.
820 2001-08-20 Diego Novillo <dnovillo@redhat.com>
822 * basic-block.h (basic_block): Add new field 'flags'.
823 (BB_REACHABLE): Define.
824 (expunge_block): Declare.
825 * flow.c (ENTRY_BLOCK_PTR): Initialize field 'flags'.
826 (EXIT_BLOCK_PTR): Ditto.
827 (expunge_block): Remove static declaration.
828 (cleanup_cfg): Clear bb->aux on every basic block.
829 (find_unreachable_blocks): Set BB_REACHABLE bit in bb->flags when
830 computing reachability.
831 (delete_unreachable_blocks): Delete block b if b->flags has
834 2001-08-20 Diego Novillo <dnovillo@redhat.com>
836 * doc/invoke.texi: Replace references to -fdump-tree with -fdump-ast.
838 2001-08-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
840 * sparc.c (sparc_variable_issue): Fix typo in last change.
842 2001-08-20 Richard Henderson <rth@redhat.com>
844 * varasm.c (assemble_integer): Document ppc-eabi -mrelocatable losage.
846 2001-08-20 John David Anglin <dave@hiauly1.hia.nrc.ca>
848 * pa.h (RETURN_IN_MEMORY): Improve comment.
850 2001-08-20 Janis Johnson <janis187@us.ibm.com>
852 * doc/invoke.texi (Profiling options): Clarify the interactions
853 between -fprofile-arcs and -ftest-coverage, -fprofile-arcs.
855 2001-08-20 Jeffrey Oldham <oldham@codesourcery.com>
857 * crtstuff.c (__do_global_ctors): Fix typo in preprocessing
860 2001-08-20 Matt Kraai <kraai@alumni.carnegiemellon.edu>
862 * gcc.c (make_relative_prefix): Allocate a sufficiently large
865 2001-08-20 Richard Henderson <rth@redhat.com>
867 * final.c (end_final): Fix typo last change.
869 2001-08-20 Neil Booth <neil@daikokuya.demon.co.uk>
871 * cppinit.c (init_standard_includes): The returned buffer
872 is already malloc-ed.
873 * gcc.c (add_prefix): Similarly.
874 * prefix.c (translate_name): Update to support clear buffer
876 (update_path): Similarly. Be sure to free any newly allocated
877 key. UPDATE_PATH_HOST_CANONICALIZE takes only one argument.
879 * prefix.h (update_path): Update prototype and document.
880 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): Clean
881 up and update to new buffer ownership rules.
882 * doc/gcc.texi (UPDATE_PATH_HOST_CANONICALIZE): Update.
884 Mon Aug 20 01:44:50 CEST 2001 Jan Hubicka <jh@suse.cz>
886 * final.c (compute_alignments): New function.
887 (init_insn_lengths): Do not care label_align.
888 (LABEL_ALIGN_AFTER_BARRIER): Default to 1.
889 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to 0.
890 (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): New.
891 (shorted_branches): Realloc label_align array; do
892 not call init_insn_lengths; Do not care about loop alignments.
893 * output.h (compute_alignments): Declare.
894 * toplev.c (rest_of_compilation): Call compute_alignments.
895 * tm.texi (JUMP_ALIGN, JUMP_ALIGN_MAX_SKIP): Document.
897 * predict.c (block_info_def): Add npredecesors, remove nvisited;
898 change visited to tovisit.
899 (propagate_freq): Use faster traversing algorithm.
900 (estimate_loops_at_level, estimate_bb_frequencies): Change visited
901 to tovisit; reverse meaning.
903 * predict.c (struct block_info_def): Remove nvisited.
904 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
905 (estimate_bb_frequencies): Call mark_dfs_back_edges.
907 2001-08-19 Geoffrey Keating <geoffk@redhat.com>
909 * doc/invoke.texi (MIPS Options): Document -mfused-madd.
910 * config/mips/mips.h (MASK_NO_FUSED_MADD): New.
911 (TARGET_FUSED_MADD): New.
912 (TARGET_SWITCHES): Add -mfused-madd, -mno-fused-madd.
913 * config/mips/mips.md: Add TARGET_FUSED_MADD as condition to
914 the multiply-add instructions.
916 2001-08-19 Richard Henderson <rth@redhat.com>
918 * dwarf2asm.c (dw2_output_indirect_constant_1): The symbol ref
919 is aligned to pointer size.
921 2001-08-19 Richard Henderson <rth@redhat.com>
923 * config/ia64/ia64.c (ia64_cycle_display): Only emit cycle
924 display markers during final schedule.
926 2001-08-19 Richard Henderson <rth@redhat.com>
928 * function.c (gen_mem_addressof): Don't call get_alias_set if no decl.
930 2001-08-19 Richard Henderson <rth@redhat.com>
932 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Handle @ and *
934 (ASM_NAME_TO_STRING): Remove.
935 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Handle @ and *
936 in the same string. Remove support for expressions.
938 2001-08-19 Richard Henderson <rth@redhat.com>
940 * config/i386/i386.md (tablejump): Make an expander; handle
941 pic relative addressing here.
942 (tablejump_1): Rename from tablejump_pic.
945 2001-08-19 Richard Henderson <rth@redhat.com>
947 * regclass.c (fix_register): Fix typo.
949 2001-08-18 Richard Henderson <rth@redhat.com>
951 * config/ia64/unwind-ia64.c (UNW_REG_B0): New.
952 (struct _Unwind_Context): Expand br_loc to hold it.
953 (uw_frame_state_for): Handle leaf functions better.
954 (uw_update_reg_address): Update for br_loc change.
956 2001-08-18 Richard Henderson <rth@redhat.com>
958 * crtstuff.c: Move list heads before code that uses them.
959 (__JCR_LIST__): Remove initial null.
960 (frame_dummy, __frame_dummy): Do java registration here ...
961 (__do_global_ctors_aux): ... not here.
963 * config/ia64/crtbegin.asm (dtor_ptr): Make gp-relative.
964 (__do_global_dtors_aux): Update to match.
965 (__JCR_LIST__, __do_jv_register_classes): New.
967 * config/ia64/crtend.asm (__JCR_END__): New.
968 (__do_global_ctors_aux): Use a GPREL64I reloc to __CTOR_END__
969 instead of an indirect LTOFF22 reloc.
971 2001-08-18 Richard Henderson <rth@redhat.com>
973 * flow.c (mark_regs_live_at_end): Use regs_invalidated_by_call.
974 * regclass.c (init_reg_sets_1): Fix typo.
975 * config/ia64/ia64.c (ar_pfs_reg_operand): New.
976 (ia64_expand_call): Pass ar.pfs to sibcall expanders.
977 (ia64_compute_frame_size): Make ar.unat live when in use.
978 (ia64_epilogue_uses): Reformat; do not check current_function_is_leaf
979 for ar.pfs; remove ar.unat handling.
980 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): ar.unat is
982 (PREDICATE_CODES): Add ar_pfs_reg_operand.
983 * config/ia64/ia64-protos.h: Update decls.
984 * config/ia64/ia64.md (sibcall_nopic): Use ar.pfs.
985 (sibcall_pic): Likewise.
987 2001-08-18 Richard Henderson <rth@redhat.com>
989 * config/ia64/ia64.c (ia64_sched_reorder2): Also skip past
990 pred_rel_mutex when searching for insn_group_barrier.
991 * config/ia64/ia64.md (cycle_display): Combine the expander
994 * config/ia64/ia64.c (ia64_internal_sched_reorder): Emit stop
995 bit before asm as needed.
997 2001-08-18 Richard Henderson <rth@redhat.com>
999 * timevar.def (TV_MACH_DEP): New.
1000 * toplev.c (rest_of_compilation): Use it.
1001 * config/ia64/ia64.c (ia64_reorg): Push to TV_SCHED2.
1003 2001-08-18 Zack Weinberg <zackw@panix.com>
1005 * unwind-dw2.c (execute_stack_op): Add default aborts to
1006 the inner switches to prevent warnings.
1008 2001-08-18 Richard Henderson <rth@redhat.com>
1010 * timevar.h (struct timevar_time_def): Change element type to float.
1011 (ticks_to_msec, clocks_to_msec): Likewise.
1012 (TICKS_TO_MSEC, CLOCKS_TO_MSEC): Rescale to seconds; use type float.
1013 (get_time): Likewise.
1014 (timevar_print): Adjust zero check and printing to match.
1016 2001-08-18 Zack Weinberg <zackw@panix.com>
1018 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
1019 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/include/gpl.texi:
1020 Eliminate overfull or underfull hboxes.
1022 2001-08-18 Zack Weinberg <zackw@panix.com>
1024 * cpperror.c: Use VA_OPEN/VA_CLOSE/VA_FIXEDARG throughout.
1026 2001-08-18 Zack Weinberg <zackw@panix.com>
1028 * haifa-sched.c: Convert to target hooks. Macros replaced
1029 are ISSUE_RATE, ADJUST_COST, ADJUST_PRIORITY, MD_SCHED_INIT,
1030 MD_SCHED_REORDER, MD_SCHED_REORDER2, MD_SCHED_VARIABLE_ISSUE,
1031 MD_SCHED_FINISH, and HAVE_cycle_display.
1032 * target-def.h (TARGET_SCHED_ADJUST_COST,
1033 TARGET_SCHED_ADJUST_PRIORITY, TARGET_SCHED_ISSUE_RATE,
1034 TARGET_SCHED_VARIABLE_ISSUE, TARGET_SCHED_INIT,
1035 TARGET_SCHED_FINISH, TARGET_SCHED_REORDER,
1036 TARGET_SCHED_REORDER2, TARGET_SCHED_CYCLE_DISPLAY):
1037 New hook #defines to be overridden.
1038 (TARGET_SCHED): Bring them all together.
1039 (TARGET_INITIALIZER): Update.
1040 * target.h: Don't forward declare struct rtx_def. Use 'rtx'
1041 instead of 'struct rtx_def *' throughout.
1042 (struct sched): New set of hooks for the scheduler.
1043 * Makefile.in (haifa-sched.o): Depend on target.h.
1044 * doc/tm.texi: Document the new scheduler hooks, together in
1045 their own section, instead of scattered around.
1046 Fix a bunch of underfull/overfull hboxes.
1048 * a29k.h, alpha.h, arm.h, c4x.h, convex.h, d30v.h, i386.h,
1049 ia64.h, m32r.h, m88k.h, mips.h, pa.h, rs6000.h, s390.h, sh.h,
1050 sparc.h: Don't define any of the old scheduler macros.
1052 * a29k.c, alpha.c, arm.c, c4x.c, convex.c, d30v.c, i386.c,
1053 ia64.c, m32r.c, m88k.c, mips.c, pa.c, rs6000.c, s390.c, sh.c,
1054 sparc.c: Create hook functions from code extracted from
1055 corresponding target header, or make existing hooks static, as
1056 appropriate. Set the appropriate entries in targetm.
1058 * alpha-protos.h, arm-protos.h, c4x-protos.h, d30v-protos.h,
1059 i386-protos.h, ia64-protos.h, m32r-protos.h, pa-protos.h,
1060 rs6000-protos.h, s390-protos.h, sparc-protos.h:
1061 Remove prototypes for functions which are now static.
1063 * d30v.h, d30v.c, m32r.h, m32r.c: Remove #ifdef HAIFA and
1064 related gunk; the Haifa scheduler is now the only choice.
1066 2001-08-18 Zack Weinberg <zackw@panix.com>
1068 * optabs.h (OTI_flodiv, flodiv_optab): Kill.
1069 * genopinit.c: Put floating point divide insns in sdiv_optab.
1070 * expr.c (expand_expr): Use sdiv_optab, not flodiv_optab.
1071 * config/gofast.h, config/c4x/c4x.h,
1072 config/ia64/hpux_longdouble.h, config/mips/mips.h,
1073 config/pa/long_double.h, config/rs6000/sysv4.h,
1074 config/sparc/sparc.h: Put floating point divide libcalls in sdiv_optab.
1075 * optabs.c (init_optab): Break into new_optab, init_optab, init_optabv.
1076 (init_optabs): Use init_optabv for overflow-trapping optabs.
1077 Don't init flodiv_optab. Give mov_optab, movstrict_optab, and
1078 cmp_optab RTX codes so have_insn_for can find them.
1080 * optabs.c (expand_simple_binop, expand_simple_unop,
1081 have_insn_for, gen_sub3_insn): New interfaces.
1082 * expr.h: Prototype new functions.
1083 (enum optab_methods): Move here from optabs.h.
1085 * builtins.c, combine.c, doloop.c, function.c, ifcvt.c,
1086 loop.c, profile.c, simplify-rtx.c, stmt.c, unroll.c:
1087 Use new functions instead of working directly with optabs.
1088 * doloop.c, ifcvt.c, loop.c, profile.c, simplify-rtx.c,
1089 unroll.c: Don't include optabs.h.
1090 * caller-save.c, combine.c, function.c, stmt.c: Just include
1091 insn-codes.h, not optabs.h.
1092 * Makefile.in: Update dependencies.
1094 * combine.c (make_compound_operation, simplify_comparison):
1095 Fix typos testing for this or that instruction.
1097 2001-08-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1099 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2_DIVMOD_FUNCS when
1100 generating libgcc.a.
1102 2001-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1104 * except.c (TYPE_HASH): Delete.
1106 * objc/objc-act.c (HASHFUNCTION): Cast to size_t, not
1109 * tree.c (TYPE_HASH): Delete.
1111 * tree.h (TYPE_HASH): Define.
1113 2001-08-18 Graham Stott <grahams@redhat.com>
1115 * config/mips/mips.md (adddi3_internal_2+1): Remove contraints from
1117 (adddi3_internal_2+2): Likewise.
1118 (eh_set_lr_di+1): Likewise.
1120 2001-08-17 Richard Henderson <rth@redhat.com>
1122 * defaults.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
1123 UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Move from ...
1124 * dwarf2asm.c: ... here.
1125 * dwarfout.c: Remove them.
1127 * varasm.c (assemble_integer): Add align parameter.
1128 (assemble_real, output_constant, output_constructor): Likewise.
1129 * output.h: Update decls.
1130 * dwarf2asm.c, final.c, varasm.c, config/darwin.c, config/nextstep.c,
1131 config/alpha/alpha.c, config/arm/arm.md, config/clipper/clipper.c,
1132 config/m88k/m88k.c, config/mcore/mcore.md, config/mips/mips.h,
1133 config/mips/mips.md, config/pa/pa.c, config/rs6000/rs6000.c,
1134 config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.md:
1137 * final.c (end_final): Abort profile block generation if we
1138 havn't layed it out properly.
1139 * output.h (assemble_eh_integer): Remove stale decl.
1140 * varasm.c (assemble_zeros): Tidy; use assemble_integer.
1142 (assemble_integer): Handle unaligned data.
1143 (assemble_real): Abort on unaligned data.
1144 (output_constructor): Don't assume ASM_OUTPUT_ALIGN 0 does
1146 (default_dtor_section_asm_out_destructor): Use assemble_align.
1147 (default_named_section_asm_out_constructor): Likewise.
1148 (default_ctor_section_asm_out_constructor): Likewise.
1149 * config/darwin.c (machopic_asm_out_constructor): Likewise.
1150 (machopic_asm_out_destructor): Likewise.
1151 * config/nextstep.c (nextstep_asm_out_constructor): Likewise.
1152 (nextstep_asm_out_destructor): Likewise.
1153 * config/alpha/alpha.c (vms_asm_out_constructor): Likewise.
1154 (vms_asm_out_destructor): Likewise.
1156 2001-08-17 Richard Henderson <rth@redhat.com>
1158 * config/mips/iris6.h (TARGET_IRIX6): New.
1159 (current_section_name, current_section_flags): New.
1160 (ASM_OUTPUT_ALIGN, ASM_FILE_START, ASM_FILE_END): New.
1161 (MAX_OFILE_ALIGNMENT): New.
1162 (ASM_OUTPUT_ALIGNED_LOCAL): Use bss_section.
1163 * config/mips/mips.c (mips_make_temp_file, temp_filename): Remove.
1164 (copy_file_data): Split out from
1165 (mips_asm_file_end): ... here.
1166 (mips_asm_file_start): Remove extra .section directive. Use
1167 tmpfile instead of mips_make_temp_file.
1168 (mips_unique_section): Use const char * as needed for warnings.
1169 (iris6_asm_named_section_1): Renamed from iris6_asm_named_section;
1170 re-add align parameter.
1171 (iris6_asm_named_section): New.
1172 (iris_section_align_entry_eq, iris_section_align_entry_hash): New.
1173 (iris6_asm_output_align, iris6_section_align_1): New.
1174 (iris6_asm_file_start, iris6_asm_file_end): New.
1175 * config/mips/mips-protos.h: Update decls.
1177 2001-08-17 Janis Johnson <janis187@us.ibm.com>
1179 * doc/install.texi (Install GCC): Add links to build status pages.
1181 (Final install): Ditto; request updates for specific info
1183 2001-08-17 Neil Booth <neil@daikokuya.demon.co.uk>
1185 * cpperror.c (print_location): Don't take a file name; use the
1187 (_cpp_begin_message): Similarly.
1188 (cpp_ice, cpp_fatal, cpp_error, cpp_error_with_line, cpp_warning,
1189 cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line): Update.
1190 (cpp_pedwarn_with_file_and_line): Remove.
1191 * cppfiles.c (stack_include_file): Update; set filename to stdin
1192 here when appropriate.
1193 * cpphash.h (struct cpp_buffer): Remove nominal_fname.
1194 (_cpp_begin_message): Don't take a file name.
1195 * cppinit.c: Add comment.
1196 * cpplex.c: Fix end-of-directive indicator.
1197 * cpplib.c: Don't include intl.h.
1198 (run_directive, do_diagnostic): Update.
1199 (do_line): Update to not use nominal_fname.
1200 (cpp_push_buffer): Don't take a filename.
1201 * cpplib.h (struct ht): Remove.
1202 (cpp_push_buffer): Don't take a filename.
1203 (cpp_pedwarn_with_file_and_line): Remove.
1204 * cppmacro.c (struct cpp_macro): Remove file.
1205 (builtin_macro): Update.
1206 (_cpp_create_definition): Update.
1207 * cppmain.c: Correct comment.
1208 * fix-header.c (read_scan_file): Update.
1210 2001-08-17 Kazu Hirata <kazu@hxi.com>
1212 * sbitmap.c: Fix comment formatting.
1213 * sched-deps.c: Likewise.
1214 * sibcall.c: Likewise.
1215 * simplify-rtx.c: Likewise.
1217 * ssa-ccp.c: Likewise.
1218 * stor-layout.c: Likewise.
1219 * timevar.c: Likewise.
1220 * toplev.c: Likewise.
1221 * unwind-dw2.c: Likewise.
1222 * unwind-dw2-fde.c: Likewise.
1223 * varasm.c: Likewise.
1225 2001-08-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1227 * pa.h (RETURN_IN_MEMORY): Return types with a size that is varable
1228 or larger than an integer in memory.
1230 2001-08-17 Zack Weinberg <zackw@panix.com>
1232 * system.h: Forward-declare struct rtx_def, struct rtvec_def,
1233 and union tree_node. Typedef rtx, rtvec, and tree. Fix comment.
1234 * rtl.h: Don't forward-declare union tree_node here. Don't
1235 typedef rtx or rtvec here. Change all uses of struct rtx_def *,
1236 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
1237 and tree respectively.
1238 * tree.h: Don't forward-declare struct rtx_def here. Don't
1239 typedef tree here. Change all uses of struct rtx_def *,
1240 struct rtvec_def *, or union tree_node * to use rtx, rtvec,
1241 and tree respectively.
1243 2001-08-17 Richard Henderson <rth@redhat.com>
1245 * config/mips/elf.h, config/mips/elf64.h, config/mips/netbsd.h,
1246 config/mips/openbsd.h: Fix typos last change.
1248 2001-08-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1250 * doc/invoke.texi (Optimize Options): The default for
1251 -finline-limit is 600.
1253 2001-08-17 Richard Henderson <rth@redhat.com>
1255 * varasm.c (text_section): Allow TEXT_SECTION to override the
1256 printing of TEXT_SECTION_ASM_OP.
1257 * dwarf2out.c (TEXT_SECTION_NAME): Rename from TEXT_SECTION.
1258 (DATA_SECTION, BSS_SECTION): Remove.
1259 * dwarfout.c (TEXT_SECTION_NAME, DATA_SECTION_NAME, DATA1_SECTION_NAME,
1260 RODATA_SECTION_NAME, RODATA1_SECTION_NAME, BSS_SECTION_NAME):
1261 Rename from s/_NAME//.
1262 * config/mips/mips.h (TARGET_FILE_SWITCHING): Add !TARGET_MIPS16.
1263 (ASM_DECLARE_FUNCTION_NAME): Move file switching ...
1264 (TEXT_SECTION): ... here. New.
1265 * config/mips/elf.h (TEXT_SECTION): New; no file switching.
1266 * config/mips/elf64.h, config/mips/netbsd.h: Likewise.
1267 * config/mips/openbsd.h: Likewise.
1268 * config/mips/mips.c (mips_asm_file_start): Tidy file switching test.
1269 (mips_asm_file_end): Likewise test.
1270 (mips_output_function_epilogue): Likewise. Switch back to data
1271 section after emitting the function.
1273 * doc/tm.texi (Sections): Document TEXT_SECTION.
1275 2001-08-17 Richard Henderson <rth@redhat.com>
1277 * dwarf2out.c (dwarf2out_init): Don't emit .debug_loc label here.
1278 (dwarf2out_finish): Do it here. Emit .debug_loc before .debug_info.
1280 2001-08-17 Richard Henderson <rth@redhat.com>
1282 * varasm.c (assemble_variable): Don't overalign if DECL_USER_ALIGN.
1283 * crtstuff.c (__CTOR_LIST__, __DTOR_LIST__, __EH_FRAME_BEGIN__,
1284 __JCR_LIST__, __CTOR_END__, __DTOR_END__, __FRAME_END__,__JCR_END__):
1285 Add aligned attribute.
1287 2001-08-17 Andrew Haley <aph@cambridge.redhat.com>
1289 * config/sh/sh.md: Add modes to unspecs in first insn to match
1290 those in the second.
1292 * Makefile.in: Fix collect2 copy for Cygwin.
1294 Fri Aug 17 15:48:57 CEST 2001 Jan Hubicka <jh@suse.cz>
1296 Install the proper patch.
1297 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
1298 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
1299 (expand_function_start): Likewise.
1300 * stmt.c (expand_decl): Likewise.
1301 * varasm.c (make_decl_rtx): Likewise.
1303 Fri Aug 17 15:41:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1305 * final.c: Undo my previous accidental checkin.
1306 * output.h: Likewise.
1307 * tm.texi: Likewise.
1309 2001-08-16 Richard Henderson <rth@redhat.com>
1311 * varasm.c (named_section_flags): Remove align parameter.
1312 * varasm.c, dwarf2out.c: Update all callers.
1313 * output.h: Update prototypes.
1315 * target.h (target.asm_out.named_section): Remove align parameter.
1316 * varasm.c, config/a29k/a29k.c, config/alpha/alpha.c,
1317 config/arm/arm.c, config/c4x/c4x.c, config/h8300/h8300.c,
1318 config/i386/i386.c, config/i386/winnt.c, config/m68k/m68k.c,
1319 config/mcore/mcore.c, config/mips/mips.c, config/rs6000/rs6000.c,
1320 config/sh/sh.c, config/sparc/sparc.c: Update implementations to match.
1322 * varasm.c (in_named_entry_eq, in_named_entry_hash): New.
1323 (get_named_section_flags, set_named_section_flags): New.
1324 (named_section_flags): Use them.
1325 (named_section): Do decl vs section flags check here...
1326 (default_section_type_flags): ... not here.
1327 (init_varasm_once): Create in_named_htab.
1328 (resolve_unique_section): Mark reloc unused.
1330 2001-08-16 Richard Henderson <rth@redhat.com>
1332 * varasm.c (force_const_mem): Keep pool alignment in bits.
1333 (output_constant_pool): Use assemble_align.
1335 2001-08-16 Zack Weinberg <zackw@panix.com>
1337 * doc/tm.texi: Remove extra @table command.
1339 2001-08-16 Zack Weinberg <zackw@panix.com>
1341 * final.c (shorten_branches): Clear the end of the label_align
1342 array only if we made it larger. Break up messy expressions
1345 * diagnostic.c (internal_error): Check for error recursion
1346 before doing ICE suppression.
1348 * timevar.c: Timing variables now count in milliseconds.
1349 (init_timevar): Set up ticks_to_msec and clocks_to_msec here.
1350 (get_time): Not here.
1351 (timevar_print): Don't print any timer whose user, cpu, and
1352 wall times are all zero as displayed.
1353 * timevar.h: Update comment aboout units. Make timevar
1356 Thu Aug 16 17:39:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1358 * function.c (put_var_into_stack): Temporarily clear DECL_RTL.
1359 (assign_params): Avoid setting DECL_RTL to unfinished RTX.
1360 (expand_function_start): Likewise.
1361 * stmt.c (expand_decl): Likewise.
1362 * varasm.c (make_decl_rtx): Likewise.
1364 2001-08-16 Jason Merrill <jason_merrill@redhat.com>
1366 * stor-layout.c (layout_decl): Don't set DECL_USER_ALIGN.
1367 (finalize_record_size): Don't set TYPE_USER_ALIGN.
1369 2001-08-16 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1371 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Remove unused
1374 2001-08-16 Andreas Jaeger <aj@suse.de>
1376 * config/s390/s390.c: Include "debug.h" for dwarf2out_do_frame
1379 Wed Aug 15 15:22:52 EDT 2001 John Wehle (john@feith.com)
1381 * rtl.h (only_sets_cc0_p): New prototype.
1382 * jump.c (sets_cc0_p): Handle INSN.
1383 (only_sets_cc0_p): New function.
1384 * flow.c (merge_blocks_nomove): Use only_sets_cc0_p.
1385 (tidy_fallthru_edge): Likewise.
1386 * integrate.c (copy_insn_list): Likewise.
1387 * unroll.c (unroll_loop): Likewise.
1388 (copy_loop_body): Likewise.
1390 2001-08-15 Jason Eckhardt <jle@redhat.com>
1392 * config/i960/i960.md (trap): Change "faulteq.t" to "faulte.t".
1394 Wed Aug 15 14:24:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1396 * predict.c (struct block_info_def): Remove nvisited.
1397 (propagate_freq): Use EDGE_DFS_BACK to detect irreducible regions.
1398 (estimate_bb_frequencies): Call mark_dfs_back_edges.
1400 * i386.c (ix86_agi_depdendant): Lea causes AGI only on the Pentium
1401 (ix86_adjust_cost): Teach scheduler that latency to load operand can
1404 Wed Aug 15 12:41:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1406 * predict.def: Update hitrates.
1408 2001-08-15 Richard Henderson <rth@redhat.com>
1410 * except.c (TYPE_HASH): Cast to size_t, not HOST_WIDE_INT.
1412 Tue Aug 14 17:30:59 2001 Jeffrey A Law (law@cygnus.com)
1414 * flow.c (commit_one_edge_insertion): Don't separate a LOOP_BEG
1415 note from its associated jump.
1417 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
1419 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
1420 also on 64-bit s390x targets.
1422 2001-08-14 Nick Clifton <nickc@cambridge.redhat.com>
1424 * config/arm/arm.c (arm_compute_initial_elimination_offset): New
1426 (arm_expand_prologue): Handled nested functions which take a
1427 variable argument list.
1428 * config/arm/arm.h (ARM_INITIAL_ELIMINATION_OFFSET): Replace
1429 macro with an invocation of
1430 arm_compute_initial_elimination_offset.
1431 * config/arm/arm-protos.h: Prototype
1432 arm_compute_initial_elimination_offset.
1434 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1436 * doc/install.texi (Specific, avr): Fix markup.
1437 (Specific, c4x): Ditto.
1439 2001-08-14 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1441 * predict.c (dump_prediction): Change `bool' parameter to `int'.
1443 2001-08-14 Gabriel Dos Reis <gdr@codesourcery.com>
1445 * Makefile.in (OBJS): Add rtl-error.o
1446 (rtl-error.o): New rule.
1447 (diagnostic.o): Adjust dependency.
1448 diagnostic.c (file_and_line_for_asm, diagnostic_for_asm,
1449 error_for_asm, _fatal_insn, _fatal_insn_not_found,
1450 warning_for_asm): Move to...
1451 rtl-error.c: ...here. New file.
1453 2001-08-14 Richard Henderson <rth@redhat.com>
1455 * dwarf2out.c (dwarf2out_frame_finish): Never emit .eh_frame
1456 if USING_SJLJ_EXCEPTIONS.
1458 2001-08-14 Steve Ellcey <sje@cup.hp.com>
1460 * tlink.c (scan_linker_output): Check string for unsatisfied in
1461 addition to undefined and unresolved.
1463 2001-08-14 Graham Stott <grahams@redhat.com>
1465 * libgcc2.c (*): Replace EH_FRAME_SECTION with
1466 EH_FRAME_SECTION_NAME.
1468 Tue Aug 14 14:57:07 CEST 2001 Jan Hubicka <jh@suse.cz>
1470 * genattrtab.c (simplify_test_exp_in_temp): New function.
1471 (simplify_test_exp): Avoid explicit use of temporary obstack.
1472 (simplify_cond, insert_right_side, evaluate_eq_attr,
1473 simplify_and_tree, simplify_or_tree, eliminate_known_true):
1474 Use simplify_test_exp_in_temp.
1475 (optimize_attrs): Iterate until expression stabilizes.
1477 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>:
1479 * glimits.h: Remove the __LONG_MAX__ special case for s390x.
1480 * config/s390/linux64.h: Define __LONG_MAX__ in CPP_PREDEFINES.
1482 2001-08-13 Richard Henderson <rth@redhat.com>
1484 * config/arm/unknown-elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END): Remove.
1485 (DTOR_LIST_BEGIN, DTOR_LIST_END): Remove.
1486 * config/arm/conix-elf.h: Likewise.
1488 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
1490 * config/svr4.h (LINK_SPEC): Don't do -Wl, here, it is done
1492 * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
1494 * gcse.c (hash_scan_set): Expressions that are set as part of
1495 jump instructions are not available.
1497 2001-08-13 Ulrich Weigand <uweigand@de.ibm.com>
1499 * config/s390/s390.c (print_operand, s390_function_prologue,
1500 s390_va_start): Fixed HOST_WIDE_INT type mismatch.
1502 2001-08-13 Richard Henderson <rth@redhat.com>
1504 * config/rs6000/xcoff.h (EH_FRAME_IN_DATA_SECTION): New.
1505 * defaults.h (EH_FRAME_SECTION_NAME): Respect it.
1506 * doc/tm.texi (Exception Region Output): Document it.
1508 2001-08-13 Geoffrey Keating <geoffk@redhat.com>
1510 * config/rs6000/sysv4.h (PREFERRED_DEBUGGING_TYPE): Use
1511 DWARF2 instead of stabs by default.
1513 2001-08-13 David Edelsohn <edelsohn@gnu.org>
1515 * config/rs6000/rs6000.c: Include optabs.h.
1517 2001-08-13 David Edelsohn <edelsohn@gnu.org>
1519 * config/rs6000/eabi.asm: Define 64-bit versions of FPR
1520 save/restore routines.
1521 * ginclude/ppc-asm.h: Define 64-bit FUNC_* macros.
1523 2001-08-13 Andreas Jaeger <aj@suse.de>
1525 * gcc.c (init_spec): Revert last patch by Theodore Papadopoulo,
1526 the english is correct.
1528 2001-08-13 Zack Weinberg <zackw@panix.com>
1530 * expr.h: Split out optab- and libfunc-related code to...
1531 * optabs.h, libfuncs.h: ... these new headers.
1533 * Makefile.in (CONFIG_H, EXPR_H): Take out insn-codes.h.
1535 (various .o rules): Add $(OPTABS_H) and/or libfuncs.h to
1537 * mkconfig.sh: Don't include insn-codes.h from config.h.
1539 * reload.h: Use #ifdef GCC_INSN_CODES_H to decide whether
1540 enum insn_code is available. Move reload_in_optab and
1541 reload_out_optab array declarations to optabs.h.
1542 * regmove.c (gen_add3_insn): Move to optabs.c, export from
1543 there, prototype in expr.h.
1544 * gencodes.c: Cleanup: zap global variables, don't use
1545 printf where puts will do, don't bother defining MAX_INSN_CODE
1546 which nothing uses, let CODE_FOR_nothing get its value implicitly.
1548 * genemit.c, genopinit.c: Include optabs.h in generated file.
1549 * genoutput.c: Include insn-codes.h in generated file.
1550 * builtins.c, caller-save.c, combine.c, doloop.c, explow.c,
1551 expmed.c, expr.c, function.c, ifcvt.c, loop.c, optabs.c, profile.c,
1552 reload1.c, simplify-rtx.c, stmt.c, unroll.c, config/alpha/alpha.c,
1553 config/arm/arm.c, config/c4x/c4x.c, config/clipper/clipper.c,
1554 config/i386/i386.c, config/ia64/ia64.c, config/mn10300/mn10300.c,
1555 config/pj/pj.c, config/sh/sh.c, config/sparc/sparc.c:
1557 * builtins.c, calls.c, dwarf2out.c, except.c, expr.c, function.c,
1558 optabs.c, stmt.c, config/c4x/c4x.c, config/clipper/clipper.c,
1559 config/m88k/m88k.c, config/sparc/sparc.c:
1561 * reload.c: Include expr.h and optabs.h before reload.h.
1562 * config/alpha/alpha.c: Include tree.h before reload.h.
1563 * config/pa/pa.c: Include expr.h, optabs.h, libfuncs.h,
1564 and reload.h in that order.
1565 * config/sparc/sparc.c: Include debug.h.
1566 * recog.c: Include insn-codes.h.
1568 2001-08-13 Andreas Jaeger <aj@suse.de>
1570 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
1573 2000-08-13 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1575 * dwarf2out.c (output_cfa_loc): Fix typo in comment.
1576 * gcc.c (init_spec): Fix typo in comment.
1577 * varasm.c (data_section): Fix typo in comment.
1579 Mon Aug 13 02:27:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1581 * predict.c (dump_prediction): New argument "USED".
1582 (combine_predictions_for_insn): Determine the used heuristics,
1583 output the case no heuristic applied.
1584 * predict.def (PRED_DS_THEORY, PRED_NO_HEURISTIC): New.
1586 2001-08-13 Andreas Jaeger <aj@suse.de>
1588 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Don't capitalize
1591 2001-08-13 Kazu Hirata <kazu@hxi.com>
1593 * jump.c: Fix formatting.
1595 2001-08-13 Kazu Hirata <kazu@hxi.com>
1597 * config/h8300/h8300.md (zero_extendqihi2): Correct the insn
1600 2001-08-12 Geoffrey Keating <geoffk@redhat.com>
1602 * loop.c (check_dbra_loop): Use condjump_label to compute
1605 * rtl.h: Move prototypes of rtx_alloc and rtvec_alloc around
1606 to better document the files they're in.
1608 2001-08-12 Zack Weinberg <zackw@panix.com>
1610 * recog.h (struct insn_operand_data): Shrink 'mode' field
1613 2001-08-12 Kazu Hirata <kazu@hxi.com>
1615 * gcc.c: Fix comment formatting.
1616 * gccspec.c: Likewise.
1619 * genemit.c: Likewise.
1620 * gengenrtl.c: Likewise.
1621 * genrecog.c: Likewise.
1622 * gensupport.c: Likewise.
1623 * ggc-page.c: Likewise.
1624 * global.c: Likewise.
1625 * graph.c: Likewise.
1626 * ifcvt.c: Likewise.
1627 * integrate.c: Likewise.
1629 * libgcc2.c: Likewise.
1631 * mbchar.c: Likewise.
1632 * optabs.c: Likewise.
1633 * predict.c: Likewise.
1634 * prefix.c: Likewise.
1635 * profile.c: Likewise.
1636 * protoize.c: Likewise.
1638 * recog.c: Likewise.
1639 * regclass.c: Likewise.
1640 * regmove.c: Likewise.
1641 * reg-stack.c: Likewise.
1642 * reload1.c: Likewise.
1643 * resource.c: Likewise.
1644 * rtlanal.c: Likewise.
1647 2001-08-12 Kazu Hirata <kazu@hxi.com>
1649 * doc/tm.texi (ENCODE_SECTION_INFO): Add documentation on how
1650 a tree representing a constant is passed to the macro.
1652 2001-08-12 Richard Henderson <rth@redhat.com>
1654 * config/rs6000/rs6000.c (rs6000_elf_asm_out_constructor): New.
1655 (rs6000_elf_asm_out_destructor): New.
1656 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): Remove.
1657 (DTORS_SECTION_ASM_OP): Remove.
1658 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
1659 (ASM_OUTPUT_INT): Don't hack TARGET_RELOCATABLE for constructors.
1661 2001-08-12 David Edelsohn <edelsohn@gnu.org>
1664 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1665 * gcc.c (set_collect_gcc_options): New function, split out from
1667 Ignore elided switches.
1668 (do_spec_1): Invoke before executing command.
1669 (set_input): Export.
1670 Move declaration ...
1671 * gcc.h (set_input): ... here.
1672 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
1675 2001-08-12 Richard Henderson <rth@redhat.com>
1677 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Fix
1678 thinko wrt TARGET_RELOCATABLE.
1680 2001-08-12 Neil Booth <neil@daikokuya.demon.co.uk>
1682 * fix-header.c (cb_file_change): Update prototype.
1684 2001-08-11 Zack Weinberg <zackw@panix.com>
1686 * toplev.c (set_float_handler): Make static.
1687 * toplev.h: Don't prototype set_float_handler.
1689 * simplify-rtx.c: Don't include setjmp.h.
1690 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
1692 (simplify_unary_operation, simplify_binary_operation): Use them,
1693 via do_float_handler.
1695 * fold-const.c: Don't include setjmp.h.
1696 (exact_real_inverse_1): New function.
1697 (exact_real_inverse): Use it, via do_float_handler.
1699 * varasm.c: Don't include setjmp.h.
1700 (assemble_real_1): New function.
1701 (assemble_real): Use it, via do_float_handler.
1702 Call internal_error if we get a trap here.
1704 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
1705 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
1707 2001-08-11 Zack Weinberg <zackw@panix.com>
1709 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
1710 STACK_BOUNDARY if not already defined.
1712 * calls.c, function.c, reload1.c, explow.c: Don't default
1713 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
1714 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
1716 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
1719 * doc/tm.texi: Document that STACK_BOUNDARY is required;
1720 clarify difference between it and PREFERRED_STACK_BOUNDARY.
1722 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
1724 * cppmacro.c (enter_macro_context): Push macro expansions even
1727 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1729 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
1730 (rs6000_elf_section_type_flags): Actually return a value.
1732 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
1734 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
1735 Clean up code: add missing comments and prototypes, fix warnings,
1736 remove obsolete code, fix spacing to conform to coding style.
1738 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
1740 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
1741 and TARGET_ASM_CLOSE_PAREN.
1742 (regclass_map): CC register belongs to class NO_REGS.
1743 (legitimize_pic_address): Don't generate unnecessary moves
1744 (to avoid confusing loop optimization).
1745 (check_and_change_labels): Replace jump_long by indirect_jump.
1746 (s390_final_chunkify): Don't start a new literal pool on section
1747 switch in 64-bit code.
1748 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
1750 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
1751 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
1752 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
1754 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
1755 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
1756 (CONST_COSTS): Fixed incorrect costs.
1758 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
1759 Use emit_jump instead of emit_jump_insn (gen_jump).
1760 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
1761 (to avoid confusing flow analysis).
1762 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
1763 (casesi, casesi_jump): New.
1764 (jump_long): Removed. Functionality merged into indirect_jump.
1765 (indirect_jump): Accept address_operand, not just register_operand.
1766 (cjump_long, icjump_long): Use same logic as indirect_jump.
1767 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
1768 Fixed broken setjmp/longjmp handling.
1769 (do_builtin_setjmp_setup): Removed.
1771 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
1772 broken GNU as versions that don't accept .quad with large
1773 negative values. Use hexadecimal output instead.
1774 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
1775 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
1776 FUNCTION_EPILOGUE): Removed. Now in targetm.
1778 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
1780 * config/s390/fixdfdi.h: Add missing copyright statement.
1781 Fix type conflicts on 64-bit. Add missing SFmode routines.
1783 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
1786 2001-08-11 Richard Henderson <rth@redhat.com>
1788 * rtl.h (REG_EH_RETHROW): Remove.
1789 * rtl.c (reg_note_name): Update.
1790 * combine.c (distribute_notes): Don't check for it.
1792 2001-08-11 Richard Henderson <rth@redhat.com>
1794 * combine.c (distribute_notes): Place REG_SETJMP.
1796 2001-08-11 Richard Henderson <rth@redhat.com>
1798 * doc/extend.texi (Arrays and pointers implementation): Discourage
1799 relying on sign-extension of pointers.
1801 2001-08-11 H.J. Lu <hjl@gnu.org>
1803 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
1805 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
1806 RDATA_SECTION_ASM_OP.
1808 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1810 * doc/install.texi (Specific, c4x): Fix cross-reference to the
1811 main manual to work both for info and HTML versions.
1813 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
1814 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1816 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
1817 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
1818 (struct cpp_pool): New member first.
1819 * cppinit.c (append_include_chain): Plug memory leaks.
1820 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
1821 Allocate pragma structures from the (aligned) macro pool to
1822 avoid leaking memory.
1823 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
1824 so we don't leak memory.
1825 * hashtable.c (ht_destroy): New.
1826 * hashtable.h (ht_destroy): New.
1828 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
1829 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1831 * c-lex.c (map): Make const.
1832 (cb_file_change): Update for callback passing a line map.
1833 Don't assume we have a previous map. Remove sanity check
1834 about popping too many files.
1835 * cpperror.c (print_location): Make map const.
1836 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
1837 (cpp_make_system_header): Similarly.
1838 (search_from): Similarly.
1839 (_cpp_execute_include): Don't remember where we came from.
1840 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
1841 (struct cpp_reader): Make map const.
1842 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
1843 * cpplib.c (do_line): Update; line maps now hold sysp.
1844 (cpp_push_buffer): Similarly.
1845 (_cpp_do_file_change): Similarly; callback with map instead.
1846 (cpp_get_line_maps): Constify return value.
1847 (_cpp_pop_buffer): Update.
1848 * cpplib.h (struct cpp_file_change): Remove.
1849 (struct cpp_callbacks): Update.
1850 (cpp_get_line_maps): Constify return value.
1851 * cppmacro.c (_cpp_create_definition): Update.
1852 * cppmain.c (struct printer): Constify map.
1853 (maybe_print_line): Similarly.
1854 (print_line): Similarly. Deduce flags 1 and 2 here.
1855 (cb_file_change): Update.
1856 * line-map.c (free_line_maps): Warn regardless.
1857 (add_line_map): Return pointer to const. When passed NULL to_file
1858 with LC_LEAVE, use the obvious values for the return point so the
1859 caller doesn't have to figure them out.
1860 (lookup_line): Return pointer to const.
1861 (print_containing_files): Take pointer to const.
1862 * line-map.h (struct line_map): New members reason, sysp.
1863 (add_line_map): Return pointer to const.
1864 (lookup_line): Similarly.
1865 (print_containing_files): Take pointer to const.
1867 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
1868 Richard Henderson <rth@redhat.com>
1870 * regmove.c (regmove_optimize): Avoid setting a register twice in
1873 2001-08-10 Richard Henderson <rth@redhat.com>
1875 * doc/extend.texi (Arrays and pointers implementation): Document
1876 behavior of pointer/integer conversion.
1878 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
1880 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
1882 2001-08-10 Richard Henderson <rth@redhat.com>
1884 * doc/extend.texi (C Implementation): New chapter.
1885 * doc/gcc.texi (Top): Link it in.
1887 2001-08-10 Andrew Cagney <ac131313@redhat.com>
1889 * doc/install.texi (Specific): Fix CVS merge botch.
1891 2001-08-10 Richard Henderson <rth@redhat.com>
1893 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
1894 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
1896 2001-08-10 Zack Weinberg <zackw@stanford.edu>
1898 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
1899 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
1900 this macro is now required.
1902 * cselib.c (cselib_process_insn), flow.c (propagate_block),
1903 loop.c (find_and_verify_loops), reload.c (reload): Check
1904 for rtx code of CALL_INSN, not CALL, when deciding if we
1905 need to check for REG_SETJMP note.
1907 * gcse.c (compute_hash_table, compute_store_table): Update
1908 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
1911 * config/avr/avr.c: Fix typo.
1912 * config/convex/convex.c (expand_movstr): Use adjust_address.
1913 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
1915 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
1916 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
1918 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
1919 Do define STACK_BOUNDARY.
1920 * config/i370/i370.c: Include expr.h.
1921 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
1922 config/pa/som.h, config/v850/v850.h: Take in_ctors and
1923 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
1924 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
1925 * config/m88k/m88k.c: Include c-tree.h after expr.h.
1926 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
1927 * config/romp/romp.c: Include expr.h after tree.h.
1929 (output_fpop): Use xmalloc, not oballoc.
1930 * config/we32k/we32k.c: Include expr.h.
1932 2001-08-10 Kazu Hirata <kazu@hxi.com>
1934 * config/h8300/h8300.h: Fix formatting.
1936 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
1938 * c-common.h (RETURN_NULLIFIED_P): Lose.
1939 * c-semantics.c (genrtl_return_stmt): Don't check it.
1941 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
1943 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
1944 (mips_annotate_frame_insn): New function.
1945 (mips_emit_frame_related_store): New function.
1946 (save_restore_insns): Don't mark instructions that set up the base
1947 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
1948 the store instructions instead.
1949 (mips_expand_prologue): If the stack size is moved into a temporary
1950 register, do not mark that move as frame-related. Add a
1951 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
1953 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
1955 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
1956 stack slot as unchanging if current_function_calls_eh_return.
1958 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
1960 * config/mips/mips.md (reload_incc): Use HARD_REGNO_NREGS to
1961 access the second half of the TFmode scratch operand.
1963 2001-08-10 Anthony Green <green@redhat.com>
1965 * java/class.c (emit_register_classes): Conditionalize code on
1968 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1970 * doc/install.texi (Specific, avr): Fix cross-reference to the
1971 main manual to work both for info and HTML versions.
1973 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
1975 * stmt.c (expand_null_return_1): Remove code to generate simple returns
1976 and "use_goto" argument.
1977 (expand_null_return, expand_value_return): Update all callers.
1978 * function.c (expand_function_end): Remove code to generate simple
1980 * config/vax/vax.md (epilogue): New expander for function return.
1981 * doc/md.texi (epilogue): Remove "if defined".
1983 2001-08-09 Zack Weinberg <zackw@stanford.edu>
1985 * Makefile.in: Partially revert my previous change:
1986 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
1987 of the hashtab.o and safe-ctype.o rules.
1989 2001-08-09 Richard Henderson <rth@redhat.com>
1991 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
1992 (USE_COLLECT2): Remove duplicate definition.
1993 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
1994 (use_collect2): Remove dead code.
1995 * configure.in (use_collect2): Remove will_use_collect2 and
1996 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
1997 * configure: Rebuild.
1999 * target.h (targetm.asm_out.constructor): New.
2000 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
2001 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
2002 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
2003 * varasm.c (in_ctors, in_dtors): New.
2004 (assemble_constructor, assemble_destructor): Remove.
2005 (default_stabs_asm_out_destructor): New.
2006 (default_named_section_asm_out_destructor): New.
2007 (dtors_section, default_dtor_section_asm_out_destructor): New.
2008 (default_stabs_asm_out_constructor): New.
2009 (default_named_section_asm_out_constructor): New.
2010 (ctors_section, default_ctor_section_asm_out_constructor): New.
2011 * output.h: Update declarations.
2012 * c-decl.c (c_expand_body): Use target hooks instead of
2013 assemble_constructor and assemble_destructor.
2014 * profile.c (output_func_start_profiler): Likewise.
2015 * objc/objc-act.c (finish_objc): Likewise.
2016 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
2017 for the constructor.
2018 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
2020 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
2021 (DTORS_SECTION_ASM_OP): Likewise.
2022 (__CTOR_LIST__): Use attribute section when possible.
2023 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
2025 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
2026 ASM_OUTPUT_CONSTRUCTOR.
2028 * config/darwin.c (machopic_asm_out_constructor): New.
2029 (machopic_asm_out_destructor): New.
2030 * config/darwin-protos.h: Update declarations.
2031 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2032 (ASM_OUTPUT_DESTRUCTOR): Remove.
2033 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2034 * config/nextstep.c (nextstep_asm_out_constructor): New.
2035 (nextstep_asm_out_destructor): New.
2036 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2037 (ASM_OUTPUT_DESTRUCTOR): Remove.
2038 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2039 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
2040 ASM_OUTPUT_*STRUCTOR.
2041 * config/i386/aix386ng.h: Likewise.
2043 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
2044 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
2045 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2046 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2047 * config/lynx.h: Likewise.
2048 * config/netware.h: Likewise.
2049 * config/psos.h: Likewise.
2050 * config/alpha/alpha-interix.h: Likewise.
2051 * config/alpha/elf.h: Likewise.
2052 * config/arc/arc.h: Likewise.
2053 * config/arm/aof.h: Likewise.
2054 * config/arm/coff.h: Likewise.
2055 * config/arm/elf.h: Likewise.
2056 * config/c4x/c4x.h: Likewise.
2057 * config/h8300/h8300.h: Likewise.
2058 * config/i386/cygwin.h: Likewise.
2059 * config/i386/djgpp.h: Likewise.
2060 * config/i386/i386-coff.h: Likewise.
2061 * config/i386/i386-interix.h: Likewise.
2062 * config/i386/sco5.h: Likewise.
2063 * config/i386/vsta.h: Likewise.
2064 * config/i386/win32.h: Likewise.
2065 * config/i960/i960-coff.h: Likewise.
2066 * config/ia64/sysv4.h: Likewise.
2067 * config/m68hc11/m68hc11.h: Likewise.
2068 * config/m68k/coff.h: Likewise.
2069 * config/m68k/mot3300.h: Likewise.
2070 * config/m88k/m88k.h: Likewise.
2071 * config/mcore/mcore-pe.h: Likewise.
2072 * config/mcore/mcore.h: Likewise.
2073 * config/mips/elf.h: Likewise.
2074 * config/mips/elf64.h: Likewise.
2075 * config/mips/iris6.h: Likewise.
2076 * config/pa/pa64-hpux.h: Likewise.
2077 * config/rs6000/sysv4.h: Likewise.
2078 * config/sh/sh.h: Likewise.
2079 * config/sparc/litecoff.h: Likewise.
2081 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
2082 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
2083 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2084 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2085 (ASM_OUTPUT_DESTRUCTOR): Remove.
2086 * config/a29k/a29k.c: Move include of tree.h.
2087 * config/a29k/udi.h: Delete file.
2088 * config/alpha/alpha.c (vms_asm_out_constructor): New.
2089 (vms_asm_out_destructor): New.
2090 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
2091 (EXTRA_SECTION_FUNCTIONS): Likewise.
2092 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2093 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2094 * config/c4x/c4x.c: Move include of tree.h.
2095 * config/clipper/clipper.c (clix_asm_out_constructor): New.
2096 (clix_asm_out_destructor): New.
2097 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2098 (ASM_OUTPUT_DESTRUCTOR): Remove.
2099 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2100 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2101 (TARGET_ASM_CONSTRUCTOR): New.
2102 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
2103 (sco_asm_out_constructor): New.
2104 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
2105 * config/i386/svr3gas.h: Remove stack grows up code.
2106 Remove code duplicated from i386/sysv3.h.
2107 (TARGET_ASM_CONSTRUCTOR): New.
2108 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
2109 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
2110 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2111 (TARGET_ASM_CONSTRUCTOR): New.
2112 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
2113 (m68hc11_asm_out_destructor): New.
2114 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
2115 (TARGET_ASM_DESTRUCTOR): New.
2116 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
2117 * config/m68k/dpx2.h: Properly undef all the bits inherited from
2118 config/svr3.h pertaining to section manipulation.
2119 * config/m68k/dpx2g.h: Remove #if 0 code.
2120 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
2121 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
2122 (ASM_OUTPUT_CONSTRUCTOR): Remove.
2123 (TARGET_ASM_CONSTRUCTOR): New.
2124 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
2125 (m88k_svr3_asm_out_constructor): New.
2126 (m88k_svr3_asm_out_destructor): New.
2127 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2128 (ASM_OUTPUT_DESTRUCTOR): Remove.
2129 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2130 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
2131 * config/rs6000/aix.h: Likewise.
2132 * config/mips/rtems64.h: Don't undef removed constructor related bits.
2133 * config/mips/vxworks.h: Likewise.
2134 * config/rs6000/lynx.h: Likewise.
2135 * config/sh/elf.h: Likewise.
2136 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
2137 (DTORS_SECTION_ASM_OP): New.
2138 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2139 (ASM_OUTPUT_DESTRUCTOR): Remove.
2140 * config/sparc/sol2-sld-64.h: Likewise.
2141 * config/vax/vax.c (vms_asm_out_constructor): New.
2142 (vms_asm_out_destructor): New.
2143 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
2144 (ASM_OUTPUT_DESTRUCTOR): Remove.
2145 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
2147 * doc/tm.texi (@node Initialization): Update.
2149 2001-08-09 Richard Henderson <rth@redhat.com>
2151 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
2152 (__do_global_dtors_aux): Use gp-relative static data to avoid
2153 one dynamic relocation.
2154 (__do_frame_setup): Register Java classes.
2155 * config/alpha/crtend.asm (__JCR_END__): New.
2157 2001-08-09 Zack Weinberg <zackw@stanford.edu>
2159 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
2160 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
2161 (GEN, STAGESTUFF): Add new files.
2162 (insn-constants.h, s-constants, tm-preds.h, s-preds,
2163 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
2164 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
2165 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
2166 as well as insn-codes.h and insn-flags.h in config.h; and no
2167 extra headers in tconfig.h and hconfig.h.
2169 * gencodes.c: Eliminate code to generate predicate declarations
2170 or #defines for md-file constants.
2171 * genconstants.c, genpreds.c: New files.
2173 * i386.md: Re-order guard expressions such that TARGET_64BIT
2174 comes first, when this permits better optimization. Add
2175 TARGET_64BIT to more x86-64 patterns. Add comment explaining
2176 why this is desirable.
2178 2001-08-09 Jakub Jelinek <jakub@redhat.com>
2180 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
2181 (find_fde_for_dso): Remove.
2182 (_Unwind_IteratePhdrCallback): New.
2183 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
2184 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
2186 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2188 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
2189 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
2191 2001-08-09 Graham Stott <grahams@redhat.com>
2193 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
2194 (vis_no_unit): Use it.
2195 (visualize_no_unit): Add the insn only if room exists.
2197 2001-08-09 Graham Stott <grahams@redhat.com>
2199 * predict.c (estimate_probability): Replace magic numbers with
2200 appropriate enumeration.
2202 2001-08-09 Graham Stott <grahams@redhat.com>
2204 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
2206 (EXTRACT_FLAGS): Likewise.
2208 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
2210 * config/mips/mips.c (mips_legitimate_address_p): Check for
2211 CONST_INT in last patch.
2213 2001-08-08 Anthony Green <green@redhat.com>
2215 * java/class.c (emit_register_classes): Use assemble_jcr if
2216 possible. Keep the original mechanism as a fallback.
2217 * defaults.h (JCR_SECTION_NAME): Define if we have named section
2218 and weak symbol support.
2219 * crtstuff.c (__JCR_LIST__): Define.
2220 (__JCR_END__): Define.
2221 (_Jv_RegiserClasses): Define weak symbol if possible.
2222 (__do_global_ctors_aux): Register classes for ELF targets with
2223 weak symbol support.
2225 2001-08-08 Kazu Hirata <kazu@hxi.com>
2227 * dbxout.c: Fix comment formatting.
2228 * dependence.c: Likewise.
2230 * diagnostic.c: Likewise.
2231 * dominance.c: Likewise.
2232 * doprint.c: Likewise.
2233 * dwarf2out.c: Likewise.
2234 * dwarfout.c: Likewise.
2235 * emit-rtl.c: Likewise.
2236 * except.c: Likewise.
2237 * explow.c: Likewise.
2238 * expmed.c: Likewise.
2241 * fold-const.c: Likewise.
2242 * function.c: Likewise.
2244 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2246 * global.c (retry_global_alloc): Avoid shadowing allocno.
2248 2001-08-08 Mark Mitchell <mark@codesourcery.com>
2250 * except.c (remove_fixup_regions): Fix typo.
2252 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
2254 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
2255 unsigned HOST_WIDE_INT to avoid warning.
2256 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
2257 * flow.c (set_block_for_new_insns): Likewise.
2259 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
2261 * sibcall.c (return_value_pseudo): New static variable.
2262 (skip_copy_to_return_value): Handle return_value_pseudo.
2263 (call_ends_block_p): Ensure that return_value_pseudo is set.
2264 (optimize_sibling_and_tail_recursive_call): Discover the
2265 load of pseudo return value in alternate exit block.
2267 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2269 * calls.c (ECF_ALWAYS_RETURN): New constant.
2270 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
2271 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
2272 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
2273 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
2274 * rtl.c (reg_note_name): New name.
2275 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
2277 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
2279 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
2281 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
2283 * alias.c (get_alias_set): Return a previously calculated
2284 alias set for a VAR_DECL.
2285 * function.c (gen_mem_addressof): Calculate the alias set before
2288 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
2290 * predict.def: Set hitrates according our experimental run.
2292 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2294 * i386.h (HARD_REGNO_RENAME_OK): New macro.
2296 2001-08-08 H.J. Lu <hjl@gnu.org>
2298 * config/mips/mips.c (mips_unique_section): New. Copied from
2301 * config/mips/mips-protos.h (mips_unique_section): New
2304 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
2306 * config/mips/little.h: New. Generic little endian mips
2307 targets. Only mips*-*-linux* is converted to use it so far.
2309 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
2310 (WCHAR_TYPE): Defined
2311 (WCHAR_TYPE_SIZE): Likewise.
2312 (INIT_SUBTARGET_OPTABS): Likewise.
2313 (BSS_SECTION_ASM_OP): Likewise.
2314 (SBSS_SECTION_ASM_OP): Likewise.
2315 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
2316 (ASM_DECLARE_OBJECT_NAME): Likewise.
2317 (UNIQUE_SECTION): Likewise.
2318 (EXTRA_SECTIONS): Likewise.
2319 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2320 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2321 (ASM_OUTPUT_DEF): Likewise.
2322 (HANDLE_SYSV_PRAGMA): Removed.
2323 (NO_IMPLICIT_EXTERN_C): Likewise.
2324 (TARGET_MEM_FUNCTIONS): Likewise.
2325 (STARTFILE_SPEC): Likewise.
2326 (ENDFILE_SPEC): Likewise.
2327 (LIB_SPEC): Likewise.
2328 (INVOKE__main): Likewise.
2329 (CTOR_LIST_BEGIN): Likewise.
2330 (CTOR_LIST_END): Likewise.
2331 (DTOR_LIST_BEGIN): Likewise.
2332 (DTOR_LIST_END): Likewise.
2333 (SET_ASM_OP): Likewise.
2334 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2335 (ASM_OUTPUT_DEF): Likewise.
2336 (ASM_OUTPUT_IDENT): Likewise.
2338 * config/mips/mips.h (ASM_SPEC): Undefine before define.
2339 (CPLUSPLUS_CPP_SPEC): Likewise.
2340 (ASM_APP_ON) Redefine only if not defined.
2341 (ASM_APP_OFF): Likewise.
2342 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2343 (ASM_OUTPUT_IDENT): Likewise.
2345 * config.gcc: Update tm_file for Linux/mips.
2347 2001-08-08 Bernd Schmidt <bernds@redhat.com>
2349 * cselib.c (cselib_record_sets): If insn is predicated, turn
2350 sources into IF_THEN_ELSEs.
2352 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
2353 Turn into define_insn_and_split.
2355 * sched-deps.c: Include "cselib.h".
2356 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
2357 Use cselib to turn memory addresses into VALUEs.
2358 (sched_analyze): Call cselib_init/cselib_finish if necessary.
2359 * sched-int.h (struct sched_info): New member USE_CSELIB.
2360 * sched-ebb.c (ebb_sched_info): Initialize it.
2361 * sched-rgn.c (rgn_sched_info): Likewise.
2362 * Makefile.in (sched-deps.o): Update dependencies.
2364 * cselib.h (cselib_subst_to_values): Declare.
2365 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
2366 that have no value and autoincs to be handled by generating a new
2369 2001-08-08 Graham Stott <grahams@redhat.com>
2371 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
2372 within fixed length SEQUENCE.
2374 2001-08-08 Graham Stott <grahams@redhat.com>
2376 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
2377 (diagnostic_prefixing_rule): Likewise.
2378 (diagnostic_line_cutoff): Likewise.
2379 (diagnostic_kind_count): Likewise.
2381 2001-08-08 Graham Stott <grahams@redhat.com>
2383 * alias.c (find_base_decl): Delete redundent assignment.
2385 2001-08-08 Graham Stott <grahams@redhat.com>
2387 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
2388 (abs): Uppercase and paranthesize macro parameter.
2389 (MEM_DEPENDENCY): Add whitespace.
2391 2001-08-08 Graham Stott <grahams@redhat.com>
2393 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
2394 failure check for CONST_INT
2396 2001-08-08 Graham Stott <grahams@redhat.com>
2398 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
2399 (libcall_dead_p): Likewise.
2401 (mark_used_regs): Constify fmt.
2402 (find_use_as_address): Likewise.
2404 2001-08-08 Graham Stott <grahams@redhat.com>
2406 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
2409 2001-08-08 Graham Stott <grahams@redhat.com>
2411 * combine.c (combine_simplify_rtx): Update comment and
2412 remove erroneous test.
2414 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
2416 * cppinit.c (cpp_finish): Pop the final buffer without comment.
2417 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
2418 take care to avoid multiple no-newline at EOF warnings in that
2421 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
2423 * calls.c (expand_call): Do not emit INSN_SETJMP note.
2424 (emit_library_call_value_1): Likewise.
2425 (emit_call_1): Emit REG_SETJMP note.
2426 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
2428 * cselib.c (cselib_process_insn): Likewise.
2429 * flow.c (propagate_block): Likewise.
2430 * loop.c (find_and_verify_loops): Likewise.
2431 * reload.c (find_equiv_regs): Likewise.
2432 * reload1.c (reload): Likewise.
2433 * resource.c (mark_referenced_resources,
2434 mark_set_resources): Likewise.
2435 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
2436 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
2437 * haifa-sched.c (unlink_other_notes): Likewise.
2438 (reemit_notes): Likewise.
2439 * sched-ebb.c (sched_ebb): Likewise.
2440 * sched-rgc.c (sched_region): Likewise.
2441 * rtl.c (note_insn_name): Likewise.
2442 (reg_note_name): Add REG_SETJMP
2443 * rtl.h (reg_note): Add REG_SETJMP.
2444 (insn_note): Remove NOTE_INSN_SETJMP.
2446 * profile.c (branch_prob): Add fake edges for setjmp.
2448 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
2450 * config.gcc: Quote target_cpu_default2 correctly for
2451 powerpc*-*-* targets.
2453 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
2455 * cpplib.h, line-map.h: Update comments.
2456 * cppmain.c (printer_init): Move inline.
2457 (maybe_print_line, print_line): Take a map pointer.
2458 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
2459 (cb_file_change): Don't use prior value of print.map.
2461 2001-08-07 David Edelsohn <edelsohn@gnu.org>
2463 * doc/install.texi: Document fine-grained multilib configuration.
2465 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2467 * rtlanal.c (find_first_parameter_load): Call note_stores
2468 only on the instructions.
2470 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2472 * alias.c (nonlocal_mentioned_p):
2473 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
2474 * calls.c (emit_call_1): Likewise.
2475 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
2476 * cselib.c (cselib_process_insn): Likewise.
2477 * df.c (df_insns_modify): Likewise.
2478 * flow.c (need_fake_edge_p): Likewise.
2479 (propagate_one_insn): Likewise.
2480 * haifa-sched.c (reemit_notes): Likewise.
2481 * integrate.c (copy_insn_list): Likewise.
2482 * jump.c (delete_prior_computation): Likewise.
2483 * local-alloc.c (validate_equiv_mem): Likewise.
2484 * loop.c (scan_loop): Likewise.
2485 * predict.c (estimate_probability): Likewise.
2486 * reload.c (reload): Likewise.
2487 * sched-deps (sched_analyze): Likewise.
2488 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
2489 * gcse.c (compute_hash_table): Likewise.
2490 (mark_call): Likewise.
2491 (store_killed_in_insn): Likewise.
2493 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
2495 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
2497 2001-08-06 Richard Henderson <rth@redhat.com>
2499 * varasm.c (assemble_gc_entry): Remove.
2500 * output.h: Likewise.
2502 2001-08-06 Richard Henderson <rth@redhat.com>
2504 * varasm.c (assemble_constructor): Take a symbol_ref and a
2505 priority instead of a bare string. Move priority handling
2506 here from cp/decl2.c.
2507 * output.h: Update decls.
2509 * c-decl.c (c_expand_body): Update calls to assemble_constructor
2510 and assemble_destructor.
2511 * profile.c (output_func_start_profiler): Likewise.
2512 * objc/objc-act.c (finish_objc): Likewise.
2513 (build_module_descriptor): Return the symbol not the symbol name.
2515 2001-08-06 David Edelsohn <edelsohn@gnu.org>
2517 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
2518 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
2519 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
2520 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
2521 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
2522 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
2524 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
2526 * cpperror.c (print_containing_files): Moved to line-map.c.
2527 (print_location): line-map.c handles re-listing or otherwise.
2528 * cpphash.h (struct lexer_state): Remove next_bol.
2529 (struct cpp_buffer): Remove include_stack_listed.
2530 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
2531 Remove faked buffer handling.
2532 (_cpp_do_file_change): Tweak.
2533 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
2534 * cppmain.c (struct printer): Remove filename.
2535 (print_line, cb_file_change): Update accordingly.
2536 * line-map.c: Include intl.h.
2537 (init_line_maps): Initialize last_listed.
2538 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
2539 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
2540 (print_containing_files): New.
2541 * line-map.h (struct line_maps): New member last_listed.
2542 (print_containing_files, INCLUDED_FROM): New.
2543 * Makefile.in: Update.
2544 * po/POTFILES.in: Add line-map.c.
2546 2001-08-06 Richard Henderson <rth@redhat.com>
2548 * except.c (convert_from_eh_region_ranges_1): Never mark
2549 USE or CLOBBER insns as throwing.
2551 * expr.c (store_constructor): Don't clobber memory targets.
2553 2001-08-06 Andreas Jaeger <aj@suse.de>
2555 * profile.c (branch_prob): Remove unused variable insn.
2557 * Makefile.in (local-alloc.o): Add dependency on except.h.
2559 * local-alloc.c: Include except.h for can_throw_internal prototype.
2561 2001-08-06 Richard Henderson <rth@redhat.com>
2563 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2564 * function.c (expand_main_function): Implement it.
2565 * doc/tm.texi: Document it.
2567 2001-08-06 Stan Shebs <shebs@apple.com>
2569 * doc/install.texi: Document powerpc-*-darwin* details.
2571 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
2573 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
2574 (ASM_CPU_SPEC): Move back to rs6000.h
2575 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
2577 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
2579 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
2582 * config/rs6000/linux64.h: Ditto.
2584 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
2585 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
2588 Remove accidently readded definitions of FUNCTION_PROLOGUE,
2589 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
2591 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
2594 2001-08-05 Richard Henderson <rth@redhat.com>
2596 * local-alloc.c (update_equiv_regs): Do not move insns that
2599 2001-08-05 Jan Hubicka <jh@suse.cz>
2601 * Makefile.in (reload1.o): Add dedendancy on except.h
2602 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
2604 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
2605 indicating wehther edges has been cleaned up.
2606 * reload1.c: Inlucde except.h
2607 (fixup_abnormal_edges): Accept deleted insns.
2608 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
2611 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
2613 * cpplib.c (do_line): Correct line number after pop_buffer.
2615 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
2617 PR preprocessor/3824
2618 * line-map.c: Update comments.
2619 * line-map.h: Update comments.
2620 * tradcif.y: Don't consider large numbers unsigned.
2622 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
2624 PR preprocessor/3081
2625 * c-lex.c (map): New.
2626 (cb_file_change): Update map and use it.
2627 (cb_def_pragma, cb_define, cb_undef): Use map and line.
2628 (c_lex): Update to use map.
2629 * cpperror.c (print_location): Move to using logical line numbers.
2630 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
2631 (cpp_make_system_header): Similarly.
2632 (_cpp_execute_include): Stop line numbering hacks. Store the
2633 line we will return to.
2634 * cpphash.h (CPP_BUF_LINE): Remove.
2635 (struct cpp_buffer): Remove lineno and pseudo_newlines.
2636 Add map and return_to_line.
2637 (_cpp_do_file_change): Update.
2638 * cppinit.c (cpp_start_read): Update line kludge.
2639 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
2640 (trigraph_ok): Use logical line numbers for diagnostics.
2641 (skip_block_comment): Likewise.
2642 (skip_whitespace): Likewise.
2643 (skip_line_comment): Use pfile->line instead.
2644 (_cpp_lex_token): Update to use logical line numbering exclusively.
2645 Handle BOL locally. Accept new lines in directives, but keep
2646 pfile->line decremented. Diagnostics use logical lines. Update
2648 * cpplib.c (SEEN_EOL): New.
2649 (skip_rest_of_line, check_eol): Use it.
2650 (end_directive): Increase line number when accepting the newline
2651 at the end of a directive.
2652 (run_directive): Simplify.
2653 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
2654 (_cpp_do_file_change): Update to take buffer line number as an
2655 argument, and store the current map in the cpp_reader. Remove
2656 line number kludges.
2657 (_cpp_do__Pragma): Restore output position after a _Pragma.
2658 (cpp_push_buffer): Don't set output line or lineno.
2659 (_cpp_pop_buffer): Transfer more info from a faked buffer.
2660 Remove line kludge. Set output_line.
2661 * cppmacro.c (builtin_macro): Update handling of __LINE__.
2662 (parse_arg): Use logical lines.
2663 (save_lookahead_token): Save EOFs too now.
2664 * cppmain.c (struct printer): Fix comments.
2665 (printer_init): Simplify, let caller do errors.
2666 (scan_translation_unit, check_multiline_token, dump_macro): Update.
2667 (maybe_print_line): Simplify.
2668 (print_line): Don't print a linemarker if -P.
2669 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
2670 (cb_file_change): Simplify.
2671 * line-map.h (LAST_SOURCE_LINE): Fix.
2672 (CURRENT_LINE_MAP): New.
2674 2001-08-05 Bernd Schmidt <bernds@redhat.com>
2676 * doloop.c (doloop_modify_runtime): Properly compute number of
2677 iterations if loop was unrolled.
2679 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
2680 if their CSELIB_VAL_PTRs are.
2682 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
2683 (setup_spill_pointers): Initialize it.
2684 (spill_restore_mem): Set it.
2685 (do_spill, do_restore): Use it to add REG_INC note.
2686 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
2688 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
2689 asms if other insns are available.
2691 * config/ia64/ia64.c (condop_operator): New predicate.
2692 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
2693 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
2696 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
2697 temporary register than directly using a MEM.
2699 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
2701 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
2702 parameter in last change.
2704 2001-08-04 Zack Weinberg <zackw@panix.com>
2706 * sparc.md: Don't use #if inside C test expression.
2708 2001-08-04 Richard Henderson <rth@redhat.com>
2710 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
2712 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
2714 * cpphash.h (struct cpp_reader): New member directive_line.
2715 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
2716 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
2717 do_pragma): Pass line to callbacks.
2718 (start_directive): Record line of directive.
2719 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
2720 cb_include): Similarly.
2721 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
2724 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
2726 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
2729 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2731 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
2733 * reload1.c (fixup_abnormal_edges): New static function.
2736 * flow.c (need_fake_edge_p): New function.
2737 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
2738 avoid call insn to be very last insn in the insn stream.
2740 * profile.c (branch_prob): Call flow_call_edges_add instead of
2741 doing that by hand; cleanup cfg to re-merge basic blocks once
2744 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2746 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
2747 are also on line-map.h.
2748 * cppfiles.c (stack_include_file): Update.
2749 * cpphash.h (struct cpp_buffer): New member return_at_eof.
2750 (_cpp_pop_buffer): New.
2751 * cppinit.c (cpp_destroy, cpp_finish): Update.
2752 (do_includes): Mark each buffer to return at EOF.
2753 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
2754 return as requested.
2755 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
2756 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
2757 * cpplib.h (cpp_pop_buffer): Remove.
2758 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
2759 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
2761 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
2763 (do_preprocessing): Update.
2764 * fix-header.c (read_scan_file): Update. No need to pop buffers.
2765 * c-parse.in (_yylex): Similarly.
2766 * scan-decls.c (scan_decls): Similarly.
2767 * line-map.h: Update comments.
2769 * objc/Make-lang.in (objc-act.o): Update dependencies.
2771 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2773 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
2774 and soft register for operand 0.
2775 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
2777 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2779 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
2780 register for operand 0.
2781 ("bitcmpqi_z_used"): Allow memory for operand 0.
2782 (split "bitcmpqi"): New split to handle address reg as operand 1.
2784 2001-08-04 Andreas Jaeger <aj@suse.de>
2786 * gcse.c: Revert Daniel's last patch.
2788 2001-08-03 Zack Weinberg <zackw@stanford.edu>
2790 * sparc-protos.h: Add prototypes for fp_zero_operand and
2792 * sh-protos.h: Add prototype for fpul_operand.
2794 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
2796 * doc/extend.texi (Other Builtins): Fix typo in last change.
2798 2001-08-03 Richard Henderson <rth@redhat.com>
2800 * target.h (gcc_target): Add asm_out.named_section,
2801 section_type_flags, have_named_sections.
2802 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
2803 (TARGET_HAVE_NAMED_SECTIONS): New.
2804 (TARGET_SECTION_TYPE_FLAGS): New.
2806 * Makefile.in (toplev.o): Depend on TARGET_H.
2807 (varasm.o, dbxout.o): Likewise.
2808 * c-common.c (decl_attributes): Check targetm.have_named_sections
2809 instead of ifdef ASM_OUTPUT_SECTION_NAME.
2810 * dbxout.c (dbxout_function_decl): Likewise.
2811 (dbxout_function_end): Likewise.
2812 * toplev.c (compile_file): Likewise.
2813 * varasm.c (exception_section): Likewise.
2814 * cp/decl2.c (finish_objects): Likewise.
2816 * defaults.h (EH_FRAME_SECTION): Remove.
2817 (EH_FRAME_SECTION_ASM_OP): Remove.
2818 (EH_FRAME_SECTION_NAME): New.
2819 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
2820 (UNIQUE_SECTION_P): Remove.
2821 * dwarf2out.c (SECTION_FORMAT): Remove.
2822 (ASM_OUTPUT_SECTION): Remove.
2823 (output_call_frame_info): Use named_section_flags.
2824 (output_comp_unit, dwarf2out_start_source_file): Likewise.
2825 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
2826 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
2827 * varasm.c (in_eh_frame, eh_frame_section): Remove.
2828 (named_section_flags): New.
2829 (named_section): Use it and targetm.section_type_flags.
2830 (resolve_unique_section): New.
2831 (assemble_start_function): Use it.
2832 (asm_emit_uninitialised, assemble_variable): Likewise.
2833 (default_section_type_flags): New.
2834 (default_no_named_section, default_elf_asm_named_section): New.
2835 (default_coff_asm_named_section, default_pe_asm_named_section): New.
2836 * output.h: Update varasm.c decls.
2837 (SECTION_*): New flags.
2839 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
2840 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
2842 * config/elfos.h (UNIQUE_SECTION_P): Remove.
2843 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
2844 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
2845 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
2846 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
2847 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
2848 * config/mips/elf.h, config/mips/elf64.h: Likewise.
2849 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
2850 * config/pa/pa64-hpux.h,
2852 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
2853 (TARGET_ASM_NAMED_SECTION): New.
2854 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
2855 * config/alpha/vms.h, config/arm/coff.h: Likewise.
2856 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
2857 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
2858 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
2859 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
2860 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
2861 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
2862 * config/i386/sco5.h, config/i386/win32.h: Likewise.
2863 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
2864 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
2865 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
2866 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
2867 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
2868 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
2869 * config/sparc/sysv4.h: Likewise.
2871 * config/nextstep.h: Error until named sections implemented.
2873 * config/a29k/a29k.c (a29k_asm_named_section): New.
2874 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
2875 (vms_section_type_flags, vms_asm_named_section): New.
2876 * config/arm/arm.c (arm_elf_asm_named_section): New.
2877 * config/avr/avr.c (asm_output_section_name): Remove.
2878 * config/avr/avr-protos.h: Update.
2879 * config/c4x/c4x.c (c4x_asm_named_section): New.
2880 * config/h8300/h8300.c (h8300_asm_named_section): New.
2881 * config/i386/i386.c (sco_asm_named_section): New.
2882 * config/i386/winnt.c (SECTION_PE_SHARED): New.
2883 (i386_pe_section_type_flags): New.
2884 (i386_pe_asm_named_section): New.
2885 * config/i386/i386-protos.h: Update.
2886 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
2887 * config/mcore/mcore.c (mcore_asm_named_section): New.
2888 * config/mips/mips.c (iris6_asm_named_section): New.
2889 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
2890 instead of UNIQUE_SECTION_P.
2891 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
2892 (xcoff_asm_named_section): New.
2893 * config/sh/sh.c (sh_asm_named_section): New.
2894 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
2896 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
2897 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
2898 (EH_FRAME_SECTION_NAME): New.
2899 (EXCEPTION_SECTION): New.
2900 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
2901 (DEBUG_*_SECTION): Remove.
2902 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
2903 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
2904 (EH_FRAME_SECTION_ASM_OP): Remove.
2906 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
2907 (ASM_OUTPUT_SECTION_NAME): Remove.
2908 (TARGET_ASM_NAMED_SECTION): New.
2909 (TARGET_HAVE_NAMED_SECTIONS): New.
2910 (TARGET_SECTION_TYPE_FLAGS): New.
2911 (EH_FRAME_SECTION_ASM_OP): Remove.
2912 (EH_FRAME_SECTION_NAME): New.
2914 2001-08-03 Zack Weinberg <zackw@stanford.edu>
2916 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
2917 for complex expressions when cfun == 0.
2918 * doc/extend.texi: Document that __builtin_constant_p can be
2919 used in data initializers as well as functions.
2921 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
2923 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
2924 variable I locally, instead of expecting a declaration in the
2927 2001-08-03 Richard Henderson <rth@redhat.com>
2929 * except.c (collect_one_action_chain): Add an explicit cleanup
2930 action if regions surrounding a catch were encoded entirely
2931 within the call-site entry.
2933 2001-08-03 Richard Henderson <rth@redhat.com>
2935 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
2936 don't take REGNO of a non-register.
2938 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2940 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
2941 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
2942 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
2943 (__gthread_mutex_init_function): New function for mutex initialization.
2945 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
2947 * Makefile.in: Revert screwed up commit.
2949 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2951 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
2952 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
2953 merged by linker script to get a final _exit().
2954 (__do_global_dtors): New for destructor handling in specific exit
2956 (__do_global_ctors): New for constructors in specific install section.
2957 (__map_data_section): Map data sections before running constructors.
2958 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
2959 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
2960 (DTORS_SECTION_ASM_OP): Likewise.
2961 (CTORS_SECTION_FUNCTION): Define to force a reference to
2963 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
2965 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
2967 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
2969 * Makefile.in: Add df.h to gcse.c dependencies.
2971 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
2973 * varasm.c (output_constant_def_contents): Use for the length of a
2974 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
2975 depending on which is larger.
2977 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
2979 * gcse.c: Include df.h for use as a dataflow analyzer.
2981 Declaration of reg_set_info: gone.
2982 New df_analyzer variable used by store motion.
2983 (reg_set_info): Deleted.
2984 (mark_mem_regs): New function, analyze regs used by a mem.
2985 (store_ops_ok): Use dataflow analyzer results to determine if
2986 necessary regs are changed in the block.
2987 (find_moveable_store): Remove check for symbol ref, we can handle
2988 much more complex expressions now.
2989 (compute_store_table): Remove most of the code, it's unnecessary
2990 now that the dataflow analyzer records the info for us.
2991 (store_killed_after): Add parameter to say whether to do the
2992 store_ops_okay test, used to speed up testing when we already know
2993 the answer, and just want to know if the store itself was killed.
2994 (build_store_vector): Largely rewritten to calculate the various
2995 vectors properly, and somewhat optimized.
2996 (store_motion): Init the df_analyzer, get REG_DEF chains.
2997 Also handle trapping expressions (since mems almost always trap)
2998 (simple_mem): Redefine what a simple mem is.
3000 2001-08-03 DJ Delorie <dj@redhat.com>
3002 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
3003 set from a constant part of the condition.
3005 2001-08-01 Andrew Cagney <ac131313@redhat.com>
3007 * mkdeps.c (deps_add_default_target): Make local variable
3008 ``start'' a const char pointer.
3009 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
3011 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3013 * doc/install.texi (Configuration): Fix markup.
3014 (Specific, i?86-*-udk): Likewise.
3015 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
3017 Document --enable-threads and --enable-libgcj status.
3018 (Specific, mips-sgi-irix*): Canonicalize triples.
3019 (Specific, mips-sgi-irix5): Warn about problems with this config.
3020 Mention required GNU as patch.
3021 Native assembler problems are fixed.
3022 (Specific, mips-sgi-irix6): Update O32 ABI support status.
3023 Document --enable-threads and --enable-libgcj status.
3025 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
3027 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
3030 2001-08-03 Richard Henderson <rth@redhat.com>
3032 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
3035 2001-08-03 Richard Henderson <rth@redhat.com>
3037 * rtlanal.c (find_first_parameter_load): Stop if we
3038 reach a CODE_LABEL at BOUNDARY.
3040 2001-08-03 Richard Henderson <rth@redhat.com>
3042 * config/alpha/alpha.md (force_movdi): New insn.
3043 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
3044 Tweek FRP marking of VMS prologue insns.
3045 * config/alpha/vms.h (EPILOGUE_USES): New.
3047 2001-08-02 Richard Henderson <rth@redhat.com>
3049 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
3051 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
3053 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
3054 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
3055 config/convex/convex.h, config/d30v/d30v.c,
3056 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
3057 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
3058 config/mips/mips.h, config/mn10200/mn10200.h,
3059 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
3060 config/v850/v850.h, config/vax/openbsd.h,
3061 config/vax/openbsd1.h, config/vax/ultrix.h,
3062 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
3063 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
3064 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
3065 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
3066 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
3067 in comments and documentation.
3069 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3073 * Makefile.in (line-map.o): New.
3074 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
3075 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
3076 * cpperror.c (print_containing_files): Similarly.
3077 (print_location): Update. Don't output a space before _Pragma.
3078 * cppfiles.c (stack_include_file): Set to line 1 immediately.
3079 (stack_include_filee, cpp_make_system_header): Update.
3080 (_cpp_execute_include): Get logical line number right for calling
3081 as-yet-unterminated #include.
3082 * cpphash.h (struct cpp_reader): Add line_maps.
3083 (_cpp_do_file_change): Update.
3084 * cppinit.c (cpp_create_reader): Initialize line maps.
3085 (cpp_destroy): Destroy line maps.
3086 (cpp_start_read): Get logical line number right.
3087 * cpplex.c (parse_string): Only warn once for multi-line strings.
3088 Use boolean variable for null warning.
3089 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
3091 (do_include_common): End the directive early.
3092 (do_line): Don't warn about out-of-range lines in preprocessed
3093 source. Update. Remove unused variables.
3094 (_cpp_do_file_change): Update for new line mapping.
3095 (pragma_cb): New typedef.
3096 (cpp_register_pragma): Stop looking ahead before calling the
3098 (do_pragma_system_header): End directive early.
3099 (cpp_get_line_maps): New.
3100 (cpp_pop_buffer): Fudge logical line. Update.
3101 * cpplib.h: Include line-map.h
3102 (enum cpp_fc_reason): Remove.
3103 (struct cpp_file_change): Update.
3104 (cpp_get_line_maps): New.
3105 * cppmain.c (struct_printer): New member map.
3106 (cb_file_change): Update for new mappings.
3107 * fix-header.c (cb_file_change): Similarly.
3109 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
3111 * Makefile.in (libgcc.mk): Define mkinstalldirs.
3112 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
3114 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
3116 * config/vax/vax.c: include expr.h.
3118 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
3120 * Makefile.in ($(srcdir)/configure): Only rebuild in
3122 ($(srcdir)/config.in): Only define in maintainer mode.
3123 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
3125 2001-08-02 David Edelsohn <edelsohn@gnu.org>
3127 * doc/install.texi (Install GCC: Binaries): Update Bull info.
3129 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3131 * gcc.c (set_collect_gcc_options): New function, split out from
3133 Ignore elided switches.
3134 (do_spec_1): Invoke before executing command.
3135 (set_input): Export.
3136 Move declaration ...
3137 * gcc.h (set_input): ... here.
3138 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
3141 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
3144 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
3146 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
3148 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
3150 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
3151 for the unnamed instructions it expands to.
3153 2001-08-02 Richard Henderson <rth@redhat.com>
3155 * regclass.c (call_really_used_regs): Conditionally define.
3156 (init_reg_sets_1): Don't use it if not defined.
3157 (fix_register): Similarly, don't set it.
3159 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3161 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
3162 Correct comment that had been missed in the previous change.
3164 2001-08-01 Stan Shebs <shebs@apple.com>
3166 * config/darwin.c (machopic_stub_name): Try matching by name.
3167 (update_stubs): New function.
3168 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
3171 2001-08-01 Richard Henderson <rth@redhat.com>
3173 * except.c (output_function_exception_table): Use assemble_align.
3174 * varasm.c (assemble_eh_label): Remove.
3175 (assemble_eh_align, assemble_eh_integer): Remove.
3177 2001-08-01 Robert Lipe <robertl@caldera.com>
3179 * dwarfout.c: Remove reference to README.DWARF.
3181 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
3183 * regclass.c (call_really_used_regs): New array for registers which
3184 are actually used by a call.
3185 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
3187 (fix_register): Set call_really_used too.
3188 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
3189 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
3191 2001-08-01 Richard Henderson <rth@redhat.com>
3193 * read-rtl.c (read_name): Consider \r whitespace.
3195 2001-07-11 Andrew Cagney <ac131313@redhat.com>
3197 * config.gcc: Recognize powerpc-*-netbsd*.
3199 * doc/install.texi (Host/target specific installation notes for
3200 GCC): Mention powerpc-*-netbsd*.
3202 * config/rs6000/netbsd.h: New file.
3203 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
3204 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
3205 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
3206 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
3207 (TARGET_VERSION): Redefine.
3209 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
3210 mcall-netbsd as a match for mcall-sysv.
3211 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
3212 (ncrti.S, ncrtn.S): New targets.
3213 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
3215 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
3216 "netbsd' as a V4 ABI.
3217 (ASM_SPEC): Check for -mcall-netbsd.
3218 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
3219 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
3220 (LIB_SPEC, ENDFILE_SPEC): Ditto.
3221 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
3222 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
3223 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
3224 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
3226 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
3227 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
3229 2001-08-01 Mark Kettenis <kettenis@gnu.org>
3231 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
3232 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
3233 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
3234 including "unwind-pe.h".
3236 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
3238 * rs6000.md (define_splits): Kill unused constraints.
3240 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
3241 Jan Hubicka <jh@suse.cz>
3243 * function.c (thread_prologue_and_epilogue_insns): Kill code
3244 dealing with non-existent CFG.
3246 2001-08-01 Kazu Hirata <kazu@hxi.com>
3248 * alias.c: Fix comment formatting.
3249 * bitmap.c: Likewise.
3250 * builtins.c: Likewise.
3251 * calls.c: Likewise.
3252 * c-common.c: Likewise.
3253 * c-decl.c: Likewise.
3254 * c-dump.c: Likewise.
3255 * c-lex.c: Likewise.
3256 * collect2.c: Likewise.
3257 * combine.c: Likewise.
3258 * conflict.c: Likewise.
3259 * cppfiles.c: Likewise.
3260 * cppinit.c: Likewise.
3261 * cpplex.c: Likewise.
3262 * cpplib.c: Likewise.
3263 * cppmacro.c: Likewise.
3264 * cppspec.c: Likewise.
3265 * c-pragma.c: Likewise.
3266 * crtstuff.c: Likewise.
3268 * cselib.c: Likewise.
3269 * c-semantics.c: Likewise.
3270 * c-typeck.c: Likewise.
3272 2001-08-01 H.J. Lu <hjl@gnu.org>
3274 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
3276 2001-08-01 H.J. Lu <hjl@gnu.org>
3278 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
3280 2001-08-01 Ziemowit Laski <zlaski@apple.com>
3282 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
3283 contextualizing Objective-C class name lookup by the lexer.
3284 (typespec_reserved_nonattr): Disable ObjC class name lookup after
3286 (protocoldef): Add support for forward @protocol declarations.
3287 (yylexname): Suppress ObjC class name lookup in certain contexts;
3288 re-enable after lookup is complete.
3289 (_yylex): Re-enable ObjC class name lookup when certain
3290 punctuation marks are seen.
3292 * objc/objc-act.c (check_protocol_recursively): New function used
3293 for finding circular dependencies in protocols.
3294 (objc_declare_protocols): New function for handling forward
3295 @protocol declarations.
3296 (receiver_is_class_object): Detect the case when 'self' is used
3297 inside of a class method.
3298 (build_message_expr): Issue a warning if class method is desired
3299 but instance method is found instead.
3300 (conforms_to_protocol): Streamline.
3301 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
3302 protocol Foo, even if 'Bar foo' does not.
3303 (check_protocols): Streamline.
3304 (start_protocol): Add checks for circular and duplicate protocol
3306 (encode_aggregate_within): For typedefs of structs, encode the
3308 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
3309 (objc_declare_protocols): New prototype.
3311 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3313 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
3314 * cpplex.c (handle_newline): Update prototype. Maintain logical
3316 (skip_escaped_newlines, skip_block_comment, parse_string):
3318 (_cpp_lex_token): Update, and store token position within the token.
3319 * cpplib.h (struct cpp_token): Add line and column entries.
3320 * cppmacro.c (replace_args): Position stringified tokens correctly.
3322 2001-08-01 Andreas Jaeger <aj@suse.de>
3324 * basic-block.h: Add prototype for last_loop_beg_note.
3326 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
3328 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
3329 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
3331 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
3332 while handling WITH_CLEANUP_EXPR node. Use second operand calling
3333 expand_decl_cleanup.
3334 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
3336 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
3337 operand while calling simple_cst_equal.
3338 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
3339 operand is the cleanup expression, the third is the RTL_EXPR.
3340 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
3342 2001-07-31 Jeff Sturm <jsturm@one-point.com>
3344 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
3346 2001-07-31 matthew green <mrg@eterna.com.au>
3348 * config.gcc (i386-*-netbsdelf): New description.
3349 * config/i386/netbsd-elf.h: New file.
3351 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
3353 * loop.c (check_dbra_loop): Use single_set to compute
3356 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
3358 PowerPC reorg and support for powerpc64-*-linux*.
3360 Also fixes emitting of constants on 32 bit and 64 bit
3363 * config.gcc: powerpc64-*-linux* is a new target.
3364 Things that needed aix.h now also include xcoff.h
3366 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
3368 Move AIX specific stuff into aix.h.
3369 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
3370 with more than just XCOFF now.
3371 (SET_ASM_OP): Remove, now defined where needed.
3372 (FUNCTION_PROLOGUE): New macro definition.
3373 (FUNCTION_EPILOGUE): New macro definition.
3374 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
3376 * config/rs6000/xcoff.h: New file.
3378 * config/rs6000/linux64.h: New file.
3380 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
3382 2001-07-31 Alan Modra <amodra@bigpond.net.au>
3384 * rs6000.c (print_operand_address): Handle ELF syntax.
3385 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
3386 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
3387 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
3389 2001-07-31 David Edelsohn <edelsohn@gnu.org>
3391 * rs6000.c (rs6000_override_options): Only disable
3392 flag_function_sections for XCOFF.
3393 (exact_log2_cint_operand): New predicate.
3394 (reg_or_{add,sub}_cint64_operand): New predicates.
3395 (add_operand): Compare CONST_INT with fewer function calls.
3396 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
3397 (print_operand, case 'p'): Ensure positive operand.
3398 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
3399 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
3400 (PREDICATE_CODES): Add new predicates.
3401 * rs6000.md (addsi3): Split 32-bit constants more correctly.
3402 (divsi3, modsi3): Ensure positive power-of-2.
3403 (adddi3): Use new predicate. Split 32-bit constants more
3404 correctly. Re-arrange splitter to handle any constant.
3405 (subdi3): Use new predicate.
3406 (divdi3, moddi3): Ensure positive power-of-2.
3407 (movdi): Use rs6000_emit_set_const.
3408 (load_toc_v4_pic_di): Delete.
3410 2001-07-31 Graham Stott <grahams@redhat.com>
3412 * function.c (pad_below): Revert 2001-07-26 patch.
3414 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3416 * reg-stack (convert_regs_1): Fix best edge condition.
3418 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3420 * jump.c (duplicate_loop_exit_test): Better test for jumps
3421 entering the loop; create loop pre_header.
3423 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
3425 * doc/install.texi: Add s390 and s390x as new targets.
3426 * doc/invoke.texi: Add documantation of S/390 and zSeries
3428 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
3430 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
3432 * config/m68k/m68k.md: Replace all general_operand with
3433 nonimmediate_operand for all destinations.
3434 * config/m68k/m68k.c (not_sp_operand): Likewise.
3436 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
3438 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
3440 2001-07-30 Richard Henderson <rth@redhat.com>
3442 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
3443 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
3445 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
3447 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
3448 Add missing doc strings
3449 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
3450 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
3452 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
3454 * i386.c (ix86_output_main_function_alignment_hack): New function.
3455 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
3457 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
3458 edges by EDGE_DFS_BACK flag.
3459 (dump_edge_info): Add dfs_back flag.
3460 * basic-block.h (EDGE_DFS_BACK): New constant.
3461 (mark_dfs_back_edges): Declare.
3462 * alias.c (loop_p): Remove.
3463 (mark_constant_function): Use mark_dfs_back_edges.
3465 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
3466 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
3467 (compensate_edge): Break out from ...
3468 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
3469 (convert_regs_2): Set block_done once block is really done;
3470 Do updating of the predecesors counts.
3472 * toplev.c (rest_of_compilation): Recompute block_for_insn
3473 before post-reload cfg_cleanup.
3474 * function.c (thread_prologue_epilogue_insns):
3475 Call set_block_for_new_insns when emitting prologue directly.
3477 2001-07-30 Andreas Jaeger <aj@suse.de>
3479 * jump.c: Add prototype for mark_modified_reg.
3481 * cse.c (set_live_p): Add unused attribute.
3483 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
3485 (scan_for_source_files): Use long for count to avoid overflow.
3486 (output_data): Likewise.
3487 (output_data): Don't use string concatatenation to silence gcc
3490 * predict.c: Fix typos and grammar.
3492 * gcse.c (insert_insn_end_bb): Remove unused variables.
3494 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
3496 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
3497 (attempt_auto_inc): LIkewise.
3498 (mark_used_reg): Likewise.
3499 (try_pre_increment_1): Likewise.
3500 * regclass.c (regclass): Likewise.
3501 * global.c (allocno_compare): Update comment; change scaling factor.
3502 * local-alloc.c (QTY_CMP_PRI): Likewise.
3503 * regs.h (REG_FREQ_FROM_BB): New.
3504 (REG_FREQ_MAX): Likewise.
3506 2001-07-30 H.J. Lu <hjl@gnu.org>
3508 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
3511 2001-07-30 H.J. Lu (hjl@gnu.org)
3513 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
3514 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
3515 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
3517 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
3519 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
3520 as -mthumb-interwork when -mcpu=arm7 is specified.
3522 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3524 * predict.def (noreturn, loop branch, loop exit): Mark as first
3527 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
3529 * combine.c (try_combine): Avoid barrier after noop jumps.
3531 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3533 * cpphash.h (struct cpp_reader): Remove import_warning.
3534 * cpplib.c (skip_rest_of_line): Don't bother turning off
3536 (parse_include): Move include handling to...
3537 (do_include_common): ... here. Move import warning from...
3538 (do_import): ... here.
3539 (do_pragma_poison): Don't do a callback for poison identifiers.
3540 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
3541 * cppmain.c (setup_callbacks): Similarly.
3543 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
3545 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
3546 handle multiple sets.
3547 * except.c (sjlj_mark_call_sites): .... here.
3548 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
3550 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
3552 Suggested by Richard Henderson and Richard Kenner:
3553 * combine.c (recog_for_combine): Use the fake recog
3554 only if instruction does not match.
3555 * rtl.h (NOOP_MOVE_INSN_CODE): New.
3556 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
3558 * combine.c (try_combine): Discover noop jump as direct jump.
3560 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
3562 * df.c (df_rd_global_compute): Add successors to worklist, not
3564 (df_ru_global_compute): Ditto.
3566 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
3568 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
3569 increment REG_N_SETS.
3571 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
3573 * sbitmap.h: New prototype for sbitmap_a_xor_b.
3575 * sbitmap.c (sbitmap_a_xor_b): New function.
3576 ifdef the basic block stuff on IN_GCC.
3578 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3580 * cppexp.c (parse_defined): Always record the macro name.
3581 (lex): Don't worry about identifiers, or special-case
3583 (_cpp_parse_expr): Figure out at the end of the routine
3584 whether we saw a valid !defined() expression.
3585 * cppfiles.c (stack_include_file): Update for mi_valid.
3586 (_cpp_pop_file_buffer): Similarly.
3587 * cpplex.c (_cpp_lex_token): Similarly.
3588 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
3589 mi_if_not_defined, mi_lexed): Remove.
3591 * cpplib.c (do_if): Simplify.
3592 (do_endif, push_conditional, _cpp_handle_directive): Update
3593 for renaming of mi_state to mi_valid.
3595 * cpp.texi: Add index entries for digraphs, and add comment
3596 that C++ refers to them as alternative tokens.
3598 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
3600 * basic-block.h (CLEANUP_PRE_LOOP): New.
3601 * except.c (finish_eh_generation): Update call of cleanup_cfg.
3602 * sibcall.c (optimize_sibling_calls): Likewise.
3603 * toplev.c (rest_of_compilation): Likewise.
3604 * flow.c (try_forward_edges): Take argument MODE;
3605 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
3606 (try_optimize_cfg): Update call of try_forward_edges.
3608 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
3609 Jan Hubicka <jh@suse.cz>
3611 * (validate_replace_rtx_1): Fix simplification of MINUS.
3613 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
3615 PR preprocessor/3669
3616 * cppinit.c (init_dependency_output): Turn off dump requests
3617 if sending dependencies to stdout.
3619 2001-07-28 Richard Henderson <rth@redhat.com>
3621 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
3624 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
3626 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
3628 2001-07-28 Kazu Hirata <kazu@hxi.com>
3630 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
3631 is VAR_DECL first to prevent an ICE.
3633 2001-07-28 Richard Henderson <rth@redhat.com>
3635 * varasm.c (immed_real_const_1): Don't elide special cases for
3637 (clear_const_double_mem): Clear const_tiny_rtx too.
3639 2001-07-28 Richard Henderson <rth@redhat.com>
3641 * dwarf2out.c (dw_val_class_offset): New.
3642 (struct dw_ranges_struct, dw_ranges_ref): New.
3643 (ranges_table, ranges_table_allocated): New.
3644 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
3645 (add_AT_offset, add_ranges, output_ranges): New.
3646 (print_die, output_die): Handle dw_val_class_offset.
3647 (attr_checksum, size_of_die, value_format): Likewise.
3648 (gen_lexical_block_die): Handle non-contiguous blocks.
3649 (gen_block_die): Likewise.
3650 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
3651 if needed. Dump the ranges table.
3652 * final.c (final_start_function): Remove unnecessary notes and
3653 rebuild the block tree before numbering the blocks.
3654 * function.c (reorder_blocks_0): Walk the existing block tree
3655 to unmark all blocks.
3656 (reorder_blocks_1): Create block fragments when duplicate block
3658 (reorder_fix_fragments): New.
3659 (reorder_blocks): Call it.
3660 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
3662 2001-07-28 Richard Henderson <rth@redhat.com>
3664 * emit-rtl.c (adjust_address): Make a copy of the memory address.
3666 2001-07-28 Richard Henderson <rth@redhat.com>
3668 * flow.c (add_to_mem_set_list): New function.
3669 (init_propagate_block_info): Use it.
3670 (mark_set_1): Likewise.
3671 (insn_dead_p): Canonicalize memory address for dead store
3672 comparison. Allow wider mode stores to kill narrower mode stores.
3673 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
3674 (invalidate_mems_from_set): Don't handle MEMs.
3676 2001-07-28 Kazu Hirata <kazu@hxi.com>
3678 * config/h8300/h8300.h: Fix formatting.
3680 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3682 * basic-block.h (EDGE_FREQUENCY): New macro.
3683 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
3685 * flow.c (find_sub_basic_blocks): Likewise.
3686 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
3687 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
3689 * predict.c (DEF_PREDICTOR): New argument FLAGS.
3690 (HITRATE): New macro.
3691 (PRED_FLAG_FIRST_MATCH): New constant.
3692 (predictor_info): New field flgags.
3693 (combine_predictions_for_insn): Use DS theory to combine
3694 probabilities; set the edge probabilities when finished.
3695 (estimate_probability): Avoid duplicated matches
3696 of LOOP_BRANCH heuristics for nested loops; update comment.
3697 * predict.def: Add flags for each prediction, set probabilities
3698 according to B&L paper.
3699 * predict.h (DEF_PREDICTOR): New argument FLAGS.
3701 * profile.c (compute_branch_probabilities): Cleanup way the edge
3702 probabilities are computed and REG_BR_PROB notes are dropped; if
3703 values does not match, emit error.
3704 (init_branch_prob): Do error instead of warning when profile driven
3705 feedback is missing or corrupt.
3707 2001-07-27 DJ Delorie <dj@redhat.com>
3709 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
3710 against a constant, try to adjust the compare to have the desired
3711 constant in it so that min/max optimizations happen more often.
3713 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3715 * flow.c (last_loop_beg_note): New function.
3716 (redirect_edge_and_branch): Use it.
3717 (split_edge): Likewise.
3719 * alias.c (loop_p): Avoid uninitialized memory access.
3721 * flow.c (try_forward_edges): Avoid accessing freed memory.
3723 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
3726 2001-07-26 Andrew Haley <aph@redhat.com>
3727 Joern Rennecke <amylaar@redhat.com>
3729 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
3730 (SUBTARGET_CPP_ENDIAN_SPEC): New.
3731 (SUBTARGET_CPP_SPEC): New.
3733 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
3734 (SUBTARGET_CPP_PTR_SPEC): New.
3735 (CPP_DEFAULT_CPU_SPEC): New.
3736 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
3737 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
3738 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
3739 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
3740 (SUBTARGET_CPP_SPEC): Define as an empty string.
3742 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3744 * doc/install.texi (Configuration): Properly link the host
3745 specific instructions also when generating HTML.
3747 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
3749 * flow.c (redirect_edge_and_branch_force): Test
3750 target->global_live_at_start.
3752 2001-07-26 Richard Henderson <rth@redhat.com>
3754 * simplify-rtx.c (avoid_constant_pool_reference): Export.
3755 * rtl.h (avoid_constant_pool_reference): Declare it.
3756 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
3757 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
3759 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
3761 * rtl.h (cleanup_barriers): Declare.
3762 * jump.c (cleanup_barriers): New function.
3763 * toplev.c (rest_of_compilation): Call cleanup_barriers
3764 before loop optimizer and after bb_reorder.
3766 * flow.c (back_edge_of_syntactic_loop_p): New.
3767 (split_edge): Use it.
3769 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3771 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
3773 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
3775 * cse.c (cse_process_notes): Replace any registers if the address
3778 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
3780 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
3781 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
3782 (propagate_block): Update prototype.
3783 * flow.c (update_life_info): Simplify the CFG and
3784 recalculate the global regs which are alive when
3785 removing dead code during a global update.
3786 (propagate_block): Return non-zero if an INSN is
3789 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3791 * Makefile.in (LIBICONV): Define.
3793 2001-07-26 Catherine Moore <clm@redhat.com>
3795 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
3796 of conditional to avoid tree checking errors.
3798 2001-07-26 Kazu Hirata <kazu@hxi.com>
3800 * regmove.c (regmove_optimize): Don't replace a reg with
3801 another reg of a different mode.
3803 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
3805 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
3806 limit length of dependancy flush list.
3807 * params.h (MAX_PENDING_LIST_LENGTH): Define.
3808 * sched-int.h (struct deps): Add pending_flush_length field.
3809 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
3810 has 1 element in it.
3811 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
3812 (sched_analyze): After a jump, if the pending memory flush list is too
3813 large, flush the pending lists.
3814 (init_deps): Initialize pending_flush_length to 0.
3815 * doc/invoke.texi (max_pending_list_length): Document parameter.
3817 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
3819 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
3820 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
3821 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
3823 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3825 * cpphash.h (struct_lexer_state): Delete was_skipping.
3826 Move skipping here from struct cpp_reader.
3827 * cpplex.c (parse_identifier): Update.
3828 (_cpp_lex_token): Don't skip tokens in a directive.
3829 * cpplib.c (struct if_stack): Update.
3830 (start_directive, end_directive): Don't change skipping state.
3831 (_cpp_handle_directive): Update.
3832 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
3833 (do_else, do_endif): Update; only check for excess tokens if not
3834 in a skipped conditional block.
3835 (push_conditional): Update for new struct if_stack.
3837 2001-07-26 Graham Stott <grahams@redhat.com>
3839 * function.c (locate_and_pad_parm): Also pad initial offset
3840 so that the total argument size also includes the padding.
3842 2001-07-26 Graham Stott <grahams@redhat.com>
3844 * gensupport.c (alter_output_for_insn): Correct enable checking failure
3845 change XSTR to XTMPL.
3847 (process_one_cond_exec): Likewise
3849 2001-07-25 Richard Henderson <rth@redhat.com>
3851 * varasm.c (assemble_variable): Create DECL_RTL before setting
3854 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
3856 * predict.c (estimate_probability): Avoid duplicated predictions.
3858 * loop.c (find_and_verify_loops): Grok multiple barriers.
3860 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3862 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
3864 * dbxout.c: Consistently use putc instead of fputc.
3865 (print_wide_int): New function; call instead of direct fprintf.
3866 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
3867 (dbxout_type_fields, dbxout_type_method_1): Likewise.
3868 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
3869 (print_int_cst_octal): Likewise.
3870 (print_octal): Show we wrote characters.
3871 (dbxout_type): Set have_used_extensions in more places.
3873 2001-07-25 Catherine Moore <clm@redhat.com>
3875 * config/v850/v850.c (v850_va_arg): Use addr
3876 instead of valist to build incr.
3878 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
3880 * flow.c (delete_dead_jumptables): New function.
3881 (life_analyzis): Call it.
3882 * bb-reorder.c (skip_insns_after_block): Handle contradictory
3885 2001-07-25 Richard Henderson <rth@redhat.com>
3887 * except.c (reachable_handlers): Handle a region being removed
3888 out from under a RESX.
3890 2001-07-25 Richard Henderson <rth@redhat.com>
3892 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
3893 swap GE/GT if it is an fp comparison.
3895 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
3897 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
3900 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
3902 * ssa.c (rename_insn_1): Do not wrap an assignment to a
3903 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
3906 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
3908 (visit_expression): When attempting to simplify an expression,
3909 retrieve any modes for arguments before they are simplified
3912 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
3913 Janis Johnson <janis@us.ibm.com>
3915 * stmt.c (expand_goto): A nonlocal goto can be a call too.
3916 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
3917 pointer parameters to match documented usage of nonlocal_goto.
3918 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
3919 parameters to their correct order.
3920 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
3921 parameters to their correct order.
3923 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
3925 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
3927 2001-07-25 Jan Hubicka <jh@suse.cz>
3928 Richard Henderson <rth@redhat.com>
3930 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
3932 (make_edges): New argument update_p; populate the edge cache if set.
3933 (find_basic_blocks): Update make_edges invocation.
3935 2001-07-24 Joel Sherrill <joel@OARcorp.com>
3937 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
3939 2001-07-24 Joel Sherrill <joel@OARcorp.com>
3941 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
3942 -Acpu and -Amachine.h.
3943 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
3944 Corrected header to say ELF not a.out.
3945 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
3946 when given -msoft-float.
3948 2001-07-24 Joel Sherrill <joel@OARcorp.com>
3950 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
3951 extra multilib parts like arm-elf.
3952 (i960-*-coff*, i960-*-rtems): Should not use collect2.
3953 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
3954 crtfini.o as extra multilib parts.
3956 2001-07-24 Joel Sherrill <joel@OARcorp.com>
3958 * configure.in: Add rtems as a supported thread model.
3959 * gthr-rtems.h: Add missing entry point __gthread_active_p.
3960 * configure: Rebuilt.
3962 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
3964 * stor-layout.c (get_mode_alignment): make it work when
3965 BITS_PER_UNIT is not a power of two.
3966 * builtins.c (get_pointer_alignment): Likewise.
3968 2001-07-24 Richard Henderson <rth@redhat.com>
3970 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
3971 the retrieved constant into the expected mode.
3973 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3975 * flow.c (try_simplify_condjump): Avoid duplicated edges.
3976 (verify_flow_info): Check for duplicated edges; clarify
3979 * flow.c (block_label): Update basic_block_for_insn.
3980 (commit_edge_insertions): Call compute_bb_for_insn.
3982 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
3985 * flow.c (redirect_edge_and_branch,
3986 try_optimize_cfg): Use redirect_edge_succ_nodup
3987 (redirect_edge_succ_nodup): New.
3988 * basic_block.h (redirect_edge_succ_nodup): Declare.
3990 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
3993 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
3995 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
3996 (try_crossjump_to_edge): Update commetns.
3997 (try_crossjump_bb): Likewise.
3999 2001-07-24 Richard Henderson <rth@redhat.com>
4001 * combine.c (distribute_notes): Move set of need_refresh
4002 for noop_move_p down to catch all cases.
4004 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
4006 * recog.c (split_all_insns_noflow): New.
4007 * rtl.h (split_all_insns_noflow): Declare.
4008 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
4009 * m68hc11.c (m68hc11_reorg): Likewise.
4010 * sh.c (machine_dependent_reorg): Likewise.
4011 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
4014 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
4016 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
4017 (ashlsi3_n splitter): Likewise.
4018 (lshrsi3_n splitter): Likewise.
4020 (GOTaddr2picreg): Make const SImode.
4021 (sym_label2reg): Likewise.
4022 (symGOT2reg): Likewise.
4023 (symGOTOFF2reg) Likewise.
4025 (casesi_worker_0): Make unspec SImode.
4027 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
4029 * config/sh/sh.c (barrier_align): Check that an operand really is
4030 an insn before extracting its INSN_CODE.
4032 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
4034 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
4037 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
4038 for SImode to prevent overflow.
4040 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4042 * config/mips/irix6-libc-compat.c: New file.
4043 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
4044 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
4047 2001-07-24 lars brinkhoff <lars@nocrew.org>
4049 * rtl.texi (REG_POINTER): Document.
4050 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
4051 QFmode, HFmode, TQFmode, QCmode, and HCmode.
4053 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
4055 * flow.c (delete_noop_moves): Do not confuse libcall regions.
4057 2001-07-23 Richard Henderson <rth@redhat.com>
4059 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
4061 2001-07-23 Kazu Hirata <kazu@hxi.com>
4063 * config/h8300/h8300-protos.h: Add a prototype for
4064 general_operand_dst_push.
4065 * config/h8300/h8300.c (general_operand_dst_push): New.
4066 * config/h8300/h8300.h (OK_FOR_T): New.
4067 (EXTRA_CONSTRAINT): Use it.
4068 * config/h8300/h8300.md (movqi_push): Remove and integrate into
4069 the existing movqi pattern.
4070 (movhi_push): Likewise.
4072 * reload.c: Fix comment typos.
4074 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
4076 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
4078 2001-07-23 H.J. Lu (hjl@gnu.org)
4080 * doc/extend.texi: Update __builtin_return_address and
4081 __builtin_frame_address.
4083 2001-07-23 Richard Henderson <rth@redhat.com>
4085 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
4087 * config/i386/i386.md: New setcc+movzbl peephole2.
4089 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4091 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
4092 * objc/objc-act.c: Include debug.h.
4093 (synth_module_prologue): Save and restore debug hooks too.
4095 2001-07-23 lars brinkhoff <lars@nocrew.org>
4097 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
4098 and C4X_FLOAT_FORMAT.
4099 (BOOL_TYPE_SIZE): Document.
4101 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
4103 * unroll.c (loop_iterations): Fix miscalculation of initial
4106 2001-07-13 Andrew Haley <aph@redhat.com>
4108 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
4109 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
4110 * config/sh/sh.c (sh_can_redirect_branch): New function.
4111 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
4112 * reorg.c (steal_delay_list_from_target): Use
4113 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
4115 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4117 * flow.c (try_simplify_condjump): Unlink insn chain on
4118 fallthru edge; use can_fallthru.
4120 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4122 * basic-block.h (find_sub_basic_block): Declare.
4123 * flow.c (make_edges): New arguments MIN and MAX;
4124 (find_sub_basic_blocks): Revamp to use make_edges
4125 and purge_dead_edges.
4126 (find_basic_blocks): Update call of find_sub_basic_block.
4128 * recog.c (split_all_insns): Always expect CFG to be consistent;
4129 call find_sub_basic_blocks in case something has changed.
4130 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
4133 * basic-block.h (delete_noop_moves): Declare.
4134 * combine.c (combine_instructions): Call it.
4135 (recog_for_combine): Tolerate noop moves
4136 (distribute_notes): Force refresh when register dies at noop move.
4137 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
4139 (life_analysis): Update delete_noop_moves call.
4140 (set_noop_p): Move too ...
4141 * rtlanal.c (noop_move_p): ... here.
4142 * rtl.h (noop_move_p): Declare.
4144 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
4145 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
4147 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
4148 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
4150 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
4152 * reload.c (push_reload): Fix typo in comment.
4153 (find_reloads_address): Ditto.
4154 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
4156 2001-07-22 Richard Henderson <rth@redhat.com>
4158 * flow.c: Grammar check and clarify a lot of comments.
4159 (try_simplify_condjump): Rename variables to be clearer.
4160 (try_forward_edges): Skip complex and fallthru edges.
4161 Rearrange tests to avoid duplicate checks.
4162 (flow_find_cross_jump): Likewise.
4163 (outgoing_edges_match): Allow match if neither branch has
4164 probability data. Loosen probability match to 5%.
4165 (try_crossjump_to_edge): Hoist repeated indirection into
4167 (try_crossjump_bb): Don't check complex edges. Eliminate
4168 redundant crossjump tests.
4169 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
4170 checks before more expensive checks.
4172 2001-07-22 Richard Henderson <rth@redhat.com>
4174 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
4175 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
4178 2001-07-22 Richard Henderson <rth@redhat.com>
4180 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
4181 (const_sint32_operand): Likewise.
4182 * m68k.md (anon mulsi pattern): Use const_int_operand not
4183 const_sint32_operand.
4184 (umulsi3_highpart): Zero extend a constant input.
4185 (smulsi3_highpart): Don't bother checking SImode constant.
4186 (const_umulsi3_highpart): Give op3 DImode.
4187 (const_smulsi3_highpart): Likewise.
4189 2001-07-22 Richard Henderson <rth@redhat.com>
4191 * flow.c (split_block): Make sure bb_note is included in the
4192 new block when splitting before a label.
4194 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
4196 * basic-block.h (redirect_edge_and_branch_force,
4197 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
4198 * flow.c (redirect_edge_and_branch_force,
4199 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
4200 (redirect_edge_and_branch_force): Fix copying of lifeness information.
4201 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
4202 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
4203 instead of label; update CFG after transformation.
4204 (find_if_case_1): Update call, use redirect_edge_and_branch_force
4205 for finishing the transformation; handle even case where ELSE
4206 does not follow THEN.
4207 (find_if_case_2): Update call of dead_or_predictable; simplify
4210 * emit-rtl.c (split_branch_probability): New global variable.
4211 (try_split): Take care to set split_branch_probability and
4212 create REG_BR_PROB note for new jump insns.
4213 * md.texi (define_split): Document new feature.
4215 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
4217 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
4219 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
4220 (asm_out_file): Remove redundant declaration.
4221 (assemble_asm): Remove old #if 0 block.
4222 (assemble_variable): Remove end of function; debug output is
4223 now handled with global_decl. Remove old #if 0 block. Update.
4224 Remove saved_in_section and associated no-op code.
4225 * Makefile.in (varasm.o): Correct dependencies.
4227 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
4229 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
4230 the definition in defaults.h.
4232 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
4234 * jump.c: Update comments.
4235 (delete_barrier_successors, delete_unreferenced_labels,
4236 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
4237 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
4238 jump_optimize, jump_optimize_minimal): Kill.
4239 (rebuild_jump_labels): Move code from jump_optimize_1.
4240 (purge_line_number_notes): Likewise.
4241 (copy_loop_headers): Likewise.
4242 * reg-stack.c: Update comment.
4244 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
4245 JUMP_AFTER_REGSCAN): Kill.
4246 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
4247 purge_line_number_notes and copy_loop_headers.
4249 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
4250 Richard Henderson <rth@redhat.com>
4252 * dbxout.c (dbxout_global_decl): New.
4253 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
4254 * sdbout.c (sdbout_finish): New.
4255 (sdbout_debug_hooks): Use it, add comments.
4256 (sdbout_global_decl): Defer initialised public vars to
4258 * varasm.c (assemble_variable): Don't output debug information
4259 for file-scope variables.
4261 2001-07-22 Richard Henderson <rth@redhat.com>
4263 * config/alpha/alpha.c (get_trap_mode_suffix): New.
4264 (get_round_mode_suffix): New.
4265 (print_operand): Use them for [/]. Remove support for [&'`()+].
4266 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
4267 * config/alpha/alpha.md (attr round_suffix): New.
4268 (attr trap_suffix): New.
4269 (all insns): Set them appropriately. Use %/ instead of the
4272 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4274 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
4276 2001-07-22 Richard Henderson <rth@redhat.com>
4278 * regrename.c (regrename_optimize): Compute nregs for each
4279 potential target register.
4281 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
4282 Richard Henderson <rth@redhat.com>
4284 * dbxout.c (dbxout_global_decl): New.
4285 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
4286 * sdbout.c (sdbout_finish): New.
4287 (sdbout_debug_hooks): Use it, add comments.
4288 (sdbout_global_decl): Defer initialised public vars to
4290 * varasm.c (assemble_variable): Don't output debug information
4291 for file-scope variables.
4293 2001-07-21 H.J. Lu (hjl@gnu.org)
4295 * config/mips/mips.c (mips_cpu): Moved into ...
4296 (override_options): Here.
4298 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
4300 (mips_cpu): Removed.
4302 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4304 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
4305 ("iorqi3"): Likewise.
4306 ("xorqi3"): Likewise.
4307 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
4308 ("*subhi3_sp): Likewise.
4309 ("*subhi3"): Likewise.
4310 ("extendhisi2"): Accept D, X and Y as source operand to avoid
4313 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
4315 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
4316 * config/freebsd.h: Likewise.
4317 * config/linux.h: Likewise.
4318 * config/openbsd.h: Likewise.
4319 * config/alpha/linux-elf.h: Likewise.
4320 * config/arm/linux-elf.h: Likewise.
4321 * config/d30v/d30v.h: Likewise.
4322 * config/fr30/fr30.h: Likewise.
4323 * config/ia64/aix.h: Likewise.
4324 * config/ia64/ia64.h: Likewise.
4325 * config/mips/linux.h: Likewise.
4326 * config/pj/pj.h: Likewise.
4327 * config/rs6000/linux.h: Likewise.
4328 * config/sparc/linux.h: Likewise.
4329 * config/sparc/linux64.h: Likewise.
4331 2001-07-20 Bruce Korb <bkorb@gnu.org>
4333 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
4334 because getc() and char* may disagree on signedness.
4336 2001-07-20 Richard Henderson <rth@redhat.com>
4338 * doc/rtl.texi (REG_DEAD): Update for current semantics.
4340 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
4341 insns to delete in the presence of cc0 in a jump insn.
4343 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
4344 Jan Hubicka <jh@suse.cz>
4346 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
4347 of doing the change by hand.
4349 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
4351 * rtlanal.c (set_noop_p): Return true for noop jumps.
4353 * expr.c (emit_single_push_insn): Add call to push expander.
4354 * expr.h (optab_index): Add OTI_push
4355 (push_optab): New constant.
4356 * genopinit.c (optabs): Add push_optab.
4357 * optabs.c (init_optab): Init push optab.
4358 * md.texi (push??1): Document
4360 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4362 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
4363 expand to emit the pattern; put a REG_INC note for push/pop
4365 ("movdf", "movdf_internal"): Likewise.
4366 ("movsi", "movsi_internal"): Likewise.
4367 ("movsf", "movsf_internal"): Likewise.
4368 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
4370 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4372 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
4375 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
4377 * params.def: Change default max inline insns to 100.
4379 2001-07-20 Diego Novillo <dnovillo@redhat.com>
4381 * combine.c (combine_simplify_rtx): Generate a new shift operation
4382 when simplifying the first operand of a (neg (ashift)) expression.
4384 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4386 * regclass.c (N_REG_INTS): Use only 32 bits per element.
4388 2001-07-20 Kelley Cook <kelley.cook@home.com>
4390 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
4391 information. Move rest into ...
4392 (*-*-solaris): ... here. Eliminate redundant information and
4393 reword necessary packages section. Delete 4.x assembler bug info.
4394 (sparc-sun-*): Merge into ...
4395 (sparc-sun-sunos*): here.
4397 2001-07-20 Catherine Moore <clm@redhat.com>
4399 * config/v850/v850.md (casesi): Generate LABEL_REF
4402 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
4404 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
4405 * i386.c (ix86_zero_extend_to_Pmode): Make global.
4406 * i386.md (strclrsi expander): Use it.
4408 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4410 * integrate.c (copy_insn_list): handle
4411 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
4412 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
4413 identically as to CODE_LABEL.
4415 * fold-const (fold): Convert A/B/C to A/(B*C) and
4418 * except.c (connect_post_landing_pads): Delete the RESX insns.
4420 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
4422 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
4424 * config/mips/mips.md (nmadd/nmsub): Use macro.
4426 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
4428 * cppinit.c (remove_dup_dir): Make static.
4429 (remove_dup_dirs): Make static. Only warn about preempting a
4430 system directory with a non-system directory.
4432 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
4434 * ifcvt.c (noce_try_store_flag_constants): Correct order
4435 of parameters to trunc_int_for_mode.
4437 2001-07-19 Mark Mitchell <mark@codesourcery.com>
4439 * reorg.c (fill_simple_delay_slots): If an instruction might throw
4440 an exception that will be caught within this function, do not fill
4441 its delay slot with any subsequent instruction.
4443 2001-07-19 Steve Ellcey <sje@cup.hp.com>
4445 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
4446 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
4447 pointer extension instruction.
4448 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
4449 * simplify-rtx.c (simplify_unary_operation) Likewise.
4450 * explow.c (convert_memory_address) Check value of
4451 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
4453 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
4454 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
4455 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
4456 Add Multilib Support.
4457 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
4458 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
4459 Add Multilib Support.
4460 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
4462 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
4463 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
4464 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
4466 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
4468 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
4469 old and new operands in `<', `3' and `b'.
4471 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
4473 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
4474 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
4475 (toplev.o): Don't depend on xcoffout.h.
4476 * c-decl.c: Include debug.h
4477 (duplicate_decls): Use debug hook.
4478 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
4479 (dbx_debug_hooks, xcoff_debug_hooks): Update.
4480 (dbxout_types): Remove.
4481 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
4482 * debug.c (do_nothing_debug_hooks): Update.
4483 (debug_true_tree, debug_nothing_rtx): New.
4484 * debug.h (struct rtx_def): New.
4485 (struct gcc_debug_hooks): New hooks ignore_block,
4486 outlining_inline_function and label.
4487 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
4488 dwarf2out_frame_finish): New.
4489 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
4490 Make static, update prototype.
4491 (dwarf2_debug_hooks): Update.
4492 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
4493 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
4494 * dwarfout.c (dwarf_debug_hooks): Update.
4495 * emit-rtl.c: Include debug.h.
4496 (remove_unnecessary_notes): Use debug hook.
4497 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
4498 (final_scan_insn): Use debug hook.
4499 * integrate.c (output_inline_function): Use debug hook.
4500 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
4501 (sdb_debug_hooks): Update.
4502 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
4503 * toplev.c: Don't include xcoffout.h.
4504 (note_outlining_of_inline_function, debug_ignore_block): Remove.
4505 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
4507 * tree.h (dwarf2out_do_frame): Remove.
4509 2001-07-19 Catherine Moore <clm@cygnus.com>
4511 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
4513 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
4515 * reload1.c (eliminate_regs_in_insn): When updating a set
4516 to the frame pointer to the hardware frame pointer, perform
4517 the update always not just when REPLACE is set.
4519 * reload1.c (choose_reload_regs): Don't inherit a reload
4520 that crosses multiple registers if registers past the first
4521 don't fit in the desired class.
4523 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
4524 when negating constants.
4526 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
4528 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
4529 * doc/tree.texi: Ditto.
4531 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
4532 Jakub Jelinek <jakub@redhat.com>
4534 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
4535 (extract_cie_info): Handle "eh" augmentation properly,
4537 (struct frame_state, __frame_state_for): New.
4539 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4541 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
4542 HANDLE_SYSV_PRAGMA): Define.
4543 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
4545 (copy_object): Caller changed.
4547 2001-07-19 Andreas Schwab <schwab@suse.de>
4549 * configure.in (assembler dwarf2 debug_line support): Define nop
4551 * configure: Regenerated.
4553 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
4555 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
4557 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
4558 to conditionally compiled block.
4559 (dbx_debug_hooks, xcoff_debug_hooks): Update.
4560 * dbxout.h (dbxout_function): Remove.
4561 * debug.c (do_nothing_debug_hooks): Update.
4562 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
4563 global_decl, deferred_inline_function.
4564 * dwarf2out.c (dwarf2_debug_hooks): Update.
4565 (dwarf2out_global_decl): New.
4566 * dwarfout.c: Don't include dwarfout.h.
4567 (dwarfout_global_decl, dwarfout_function_decl,
4568 dwarfout_deferred_inline_function): New.
4569 (dwarf_debug_hooks): Update.
4570 * dwarfout.h: Remove.
4571 * final.c: Don't include dwarfout.h.
4572 * sdbout.c (sdbout_global_decl): New.
4573 (sdbout_debug_hooks): Update.
4574 * toplev.c: Don't include dwarfout.h.
4575 (check_global_declarations, rest_of_compilation): Use new debug hooks.
4576 (note_deferral_of_defined_inline_function): Remove.
4577 * toplev.h (note_deferral_of_defined_inline_function): Remove.
4578 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
4579 * ch/lex.c: Don't include dwarfout.h.
4580 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
4581 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
4582 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
4583 * cp/optimize.c: Include debug.h.
4584 (maybe_clone_body): Use debug hook.
4585 * cp/semantics.c: Include debug.h.
4586 (expand_body): Use debug hook.
4587 * po/POTFILES.in: Remove dwarfout.h.
4589 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
4591 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
4592 * c-parse.in (yyerror, _yylex): Similarly.
4593 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
4594 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
4596 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
4597 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
4599 2001-07-18 Jeff Sturm <jsturm@one-point.com>
4601 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
4602 in-class declaration at -g1. Fixes c++/2814.
4604 2001-07-18 Richard Henderson <rth@redhat.com>
4606 * doc/md.texi (reload_in/out): Document restrictions in predicates
4607 and constraints for these patterns. Document empty string matching
4610 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4612 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
4614 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4616 * cse.c: Undo my previous patch.
4618 2001-07-18 Tom Tromey <tromey@redhat.com>
4621 * configure: Rebuilt.
4622 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
4624 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
4626 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
4627 Jan Hubicka <jh@suse.cz>
4629 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
4630 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
4631 * jump.c (mark_jump_label): Do not forward branches.
4633 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
4635 * cse.c (delete_trivially_dead_insns): Delete the libcall block
4636 when return value is unused.
4638 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
4640 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
4642 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
4644 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
4645 on error. We can't blindly return the result of
4646 pthread_mutex_trylock because it returns a positive number on
4647 error, while we must return -1 on error.
4648 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
4650 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
4652 2001-07-18 Andreas Jaeger <aj@suse.de>
4654 * integrate.c (output_inline_function): Correct type of debug_hooks.
4656 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
4658 * combine.c (combine_simplify_rtx): DIV can be treated
4659 associatively for floats if unsafe math optimisations are enabled.
4661 2001-07-17 Richard Henderson <rth@redhat.com>
4663 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
4665 2001-07-17 Richard Henderson <rth@redhat.com>
4667 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
4668 don't force the function address into a register.
4669 (expand_call, emit_library_call_value_1): Update callers.
4670 * builtins.c (expand_builtin_apply): Likewise.
4671 * expr.h (prepare_call_address): Update decl.
4673 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
4675 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
4677 * config/i386/chorus.h: Move up.
4678 * config/sparc/chorus.h: Likewise.
4679 * config/rs6000/chorus.h: Likewise.
4680 * config/chorus.h: Moved here.
4682 2001-07-17 Andreas Schwab <schwab@suse.de>
4684 * configure.in (assembler eh_frame optimization): Handle big
4686 * configure: Regenerated.
4688 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
4690 * expr.c (epxand_expr): Convert divisions into multiplications by
4691 reciprocals if -ffast-math.
4693 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
4695 * dbxout.c (dbxout_really_begin_function): Rename to
4696 dbxout_begin_function.
4697 (dbx_debug_hooks, xcoff_debug_hooks): Update.
4698 (dbxout_begin_function): Remove.
4699 (dbxout_function): Update.
4700 (dbxout_source_line): Update prototype.
4701 * dbxout.h (dbxout_begin_function): Remove.
4702 * debug.c (do_nothing_debug_hooks): Update.
4703 (debug_nothing_tree): Update.
4704 (debug_nothing_charstar_rtx): Remove.
4705 * debug.h (union tree_node): Declare.
4706 (struct rtx_def): Remove.
4707 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
4708 begin_function. Change source_line prototype.
4709 (debug_nothing_tree): New.
4710 (debug_nothing_charstar_rtx): Delete.
4711 (dwarf2out_begin_prologue): Moved from ...
4713 * dwarf2out.c (dwarf2_debug_hooks): Update.
4714 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
4715 debug info, call dwarf2out_source_line.
4716 (dwarf2out_souce_line): Update prototype.
4717 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
4718 Change prototype, make static.
4719 (dwarfout_source_line): Update prototype.
4720 (dwarf_debug_hooks): Update.
4721 * dwarfout.h (dwarfout_begin_function): Remove.
4722 * final.c (final_start_function, final_scan_insn): Use appropriate
4723 debug hooks, update to use notice_source_line.
4724 (output_source_line): Rename notice_source_line. Don't call the
4725 source_line debug hook.
4726 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
4727 make static, update prototype.
4728 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
4730 (sdbout_end_prologue): New.
4731 (sdbout_source_line): Update prototype.
4732 (sdbout_debug_hooks): Update.
4733 (sdbout_symbol): Remove unused var.
4734 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
4736 * varasm.c: Include debug.h.
4737 (assemble_start_function): Use begin_function debug_hook.
4738 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
4739 update with prototype.
4740 (xcoffout_source_line): Update prototype.
4741 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
4743 (xcoffout_source_line): Update prototype.
4745 2001-07-17 Richard Henderson <rth@redhat.com>
4747 * c-typeck.c (build_binary_op): Do not shorten unsigned
4748 right shift after sign extension.
4750 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
4752 * combine.c (combine_simplify_rtx): Attempt to simplify
4753 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
4755 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
4756 (simplify_binary_operation, simplify_unary_operation,
4757 simplify_relational_operation): Use it.
4759 * combine.c (combine_simplify_rtx): Don't do associative law
4760 on divisions; allow associative law on floats.
4762 2001-07-17 H.J. Lu <hjl@gnu.org>
4763 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4765 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
4766 ASM_OUTPUT_WEAK_ALIAS are defined.
4767 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
4768 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
4770 * config/mips/iris5.h: ... here.
4771 (HANDLE_SYSV_PRAGMA): Defined as 1.
4772 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
4773 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
4776 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
4778 * c-parse.in (all_prefix_attributes): New variable.
4779 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
4780 (maybe_resetattrs): New production.
4781 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
4782 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
4783 notype_initdcl, nested_function, notype_nested_function,
4784 component_decl, components, components_notype,
4785 component_declarator, component_notype_declarator,
4786 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
4787 ivars, mydecl, myparm): Update. Avoid prefix attributes just
4788 after a comma being applied to more than one declarator.
4789 * doc/extend.texi (Attribute Syntax): Update. Remove
4790 documentation of bugs that are no longer present.
4792 2001-07-13 Eric Christopher <echristo@redhat.com>
4794 * config/mips/mips.h: Change TUNE_MIPS* options to use
4796 (EXTRA_SPECS): Add cc1_cpu_spec.
4797 * config/mips/mips.md (muldf3): Fix typo.
4799 2001-07-16 Richard Henderson <rth@redhat.com>
4801 * config/m68k/m68k.c: Include expr.h and reload.h.
4802 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
4803 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
4805 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
4806 Richard Henderson <rth@redhat.com>
4808 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
4809 (insn_live_p): Fix fall off end of function.
4810 (dead_libcall_p): Remove COUNTS argument; update callers.
4811 (delete_trivially_dead_insns): Remove unused variables.
4813 2001-07-17 Andreas Jaeger <aj@suse.de>
4815 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
4818 * lcm.c (optimize_mode_switching): Avoid warning for unused
4819 variable if !NORMAL_MODE.
4821 * flow.c (try_crossjump_to_edge): Remove unused variable.
4823 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
4825 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
4826 atexit declaration in stdlib.h.
4828 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
4830 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
4832 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4834 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
4835 * except.c (finish_eh_generation): Update call of cleanup_cfg;
4836 do rebuild_jump_labels instead of jump_optimize
4837 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
4838 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
4839 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
4841 * flow.c: Include timevar.h
4842 (find_basic_block): Push/pop timevar;
4843 (cleanup_cfg): Likewise.
4844 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
4845 * Makefile: Add dependencies on timevar.h
4847 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
4848 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
4850 * rtl.h (delete_trivially_dead_insns): Add new parameter.
4851 * toplev.c (rest_of_compilation): Update calls.
4852 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
4853 (delete_trivially_dead_insns): ... here; accept new argument
4854 preserve_basic_blocks; preserve basic blocks if set.
4856 * reg-stack.c (stack_regs_mentioned): Return 0 if
4857 stack_regs_mentioned_data is not initialized.
4858 (reg_to_stack): Make stack_regs_mentioned survive after the
4859 reg-stack is completted; do not call cleanup_cfg.
4860 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
4861 make cleanup_cfg after bb-reorder to output to debug file.
4863 2001-07-16 Richard Henderson <rth@redhat.com>
4865 * regclass.c (init_reg_sets): Use only 32 bits per initializer
4866 from int_reg_class_contents.
4868 2001-07-16 Richard Henderson <rth@redhat.com>
4870 * hard-reg-set.h (regs_invalidated_by_call): Declare.
4871 * regclass.c (regs_invalidated_by_call): Move from cse.c.
4872 (init_reg_sets_1): Move initialization from cse_main.
4873 * cse.c (regs_invalidated_by_call): Move to regclass.c.
4874 (cse_main): Move its initialization also.
4875 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
4876 * flow.c (propagate_one_insn): Likewise.
4877 * gcse.c (compute_hash_table): Likewise.
4878 (compute_kill_rd, compute_store_table): Likewise.
4879 * sched-deps.c (sched_analyze_1): Likewise.
4881 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
4883 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
4886 2001-07-16 Steve Ellcey <sje@cup.hp.com>
4888 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
4889 in if statement so we don't access undefined memory.
4891 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
4893 * gcse.c: Update comment at top.
4894 Update comment on mem handling.
4895 mem_last_set, mem_first_set, mem_set_in_block: gone.
4896 Declaration of reg_set_info: gone.
4897 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
4898 pointless with load_killed_in_block_p (they are *more*
4899 conservative then it, not less, and less accurate).
4900 (oprs_not_set_p): Ditto.
4901 (alloc_gcse_mem): Don't allocate mem_set_in_block
4902 (free_gcse_mem): Don't free it, either.
4903 (record_last_mem_set_info): Update comment in front, remove
4904 mem_*set_* stuff. Note the reason we don't handle stores directly
4906 (compute_hash_table): Update comments to reflect reality. Remove
4907 mem_*set_* references.
4908 (reset_opr_set_tables): Remove mem_*set_* references.
4910 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
4911 (mark_clobber): Ditto (on both parts, we double set here too).
4912 (expr_killed_p): Remove mem_set_in_block test.
4913 (compute_transp): Remove mem_set_in_block test.
4915 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
4916 of edge, and removal of phi alternative to dump file.
4917 (ssa_ccp_substitute_constants): Add note about register now being
4918 constant, and which uses were replaced in what insns to dump file.
4920 2001-07-16 Andreas Jaeger <aj@suse.de>
4922 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
4923 variables of type HOST_WIDEST_INT.
4925 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
4926 (__bb_exit_func): Correct type of count_max to avoid overflow.
4927 (num_digits): Handle long long argument.
4929 * combine.c (gen_lowpart_for_combine): Remove unused variable.
4931 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
4933 * output.h (sdb_begin_function_line): Restore as an extern
4935 * sdbout.c (sdb_begin_function_line): Make extern.
4937 2001-07-15 Richard Henderson <rth@redhat.com>
4939 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
4940 * genrecog.c (maybe_both_true_mode): New.
4941 (maybe_both_true_2): Use it.
4942 (write_switch): Don't put Pmode in a switch.
4943 * rtl.c (mode arrays): Don't explicitly size them.
4945 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
4947 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
4948 handling; move unconditional splitting before mode switching.
4950 * i386.md (type): Add fistp type.
4951 (i387, length_attr, scheduling definitions): Handle this type.
4952 (fix_trunc?f?i2): Revamp to use mode switching.
4953 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
4954 * i386.h (fp_cw_mode): New enum
4955 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
4956 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
4958 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4960 * Makefile.in (integrate.o): Add debug.h.
4961 * integrate.c (debug.h): Add.
4962 (output_inline_function): Save, reset, and restore debug_hooks.
4964 2001-07-15 Richard Henderson <rth@redhat.com>
4966 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
4967 instead of COMPARE for the EQUIV expression.
4969 2001-07-15 Richard Henderson <rth@redhat.com>
4971 * flow.c (redirect_edge_and_branch_force): Initialize
4972 global_live_at_start and global_live_at_end.
4973 (allocate_bb_life_data): Export.
4974 * basic-block.h (allocate_bb_life_data): Declare.
4975 * toplev.c (rest_of_compilation): Call it.
4977 2001-07-15 Richard Henderson <rth@redhat.com>
4979 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
4980 (alpha_tablejump_best_label): New.
4981 * config/alpha/alpha-protos.h: Declare them.
4982 * config/alpha/alpha.md: Use braced strings for code blocks.
4983 (tablejump_osf): Break out add with r29.
4984 (tablejump_osf_internal): Remove.
4985 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
4986 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
4988 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
4990 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
4993 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
4995 * i386-protos.h (ix86_split_fp_branch): Update prototype.
4996 (ix86_fp_jump_nontrivial_p): New.
4997 * i386.md (fp_jcc_?): Update call of split_fp_branch;
4998 use ix86_fp_jump_nontrivial_p.
4999 * i386.c (ix86_fp_jump_nontrivial_p): New.
5000 (ix86_split_fp_branch): Accept code instead of rtx.
5001 (ix86_expand_compare): Expand comparison early in case
5002 doing so is resonably cheap.
5004 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
5006 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
5008 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
5009 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
5011 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
5013 * dbxout.c (dbxout_source_line): Make static, update prototype.
5014 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
5015 (dbxout_init, dbxout_finish, dbxout_source_line,
5016 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
5017 * dbxout.h (dbxout_source_line): Delete.
5018 * debug.c (debug_nothing_file, debug_nothing_file_int,
5019 debug_nothing_file_charstar_rtx): New.
5020 (do_nothing_debug_hooks): Update.
5021 (debug_nothing_void, debug_nothing_charstar_rtx,
5022 dwarf2out_end_epilogue): New.
5023 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
5024 * debug.h (struct rtx_def): Declare.
5025 (gcc_debug_hooks): New hooks source_line, end_epilogue
5027 (debug_nothing_void, debug_nothing_charstar_rtx,
5028 dwarf2out_end_epilogue): New.
5029 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
5030 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
5031 (dwarf2_debug_hooks): Update.
5032 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
5033 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
5034 * dwarf2out.h (dwarf2out_source_line): Remove.
5035 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
5036 Make static, update prototype.
5037 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
5038 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
5039 (dwarf_debug_hooks): Update.
5040 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
5041 dwarfout_end_function): Remove.
5042 * final.c (profile_function): Use debug hooks for ending functions
5044 (output_source_line, final_end_function): Update prototype,
5046 (final_start_function, final_scan_insn): Update.
5047 * output.h (sdb_begin_function_line): Remove.
5048 (final_end_function): Update prototype.
5049 * sdbout.c (sdb_begin_function_line): Make static.
5050 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
5051 (sdbout_source_line): New.
5052 (sdbout_end_epilogue, sdbout_end_function): Make static, update
5054 (sdb_debug_hooks): Update.
5055 (sdbout_init, sdbout_source_line,
5056 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
5057 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
5058 * toplev.c (compile_file, rest_of_compilation): Update.
5059 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
5060 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
5061 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
5062 Update for prototype changes.
5063 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
5064 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
5066 2001-07-15 Richard Henderson <rth@redhat.com>
5068 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
5069 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
5070 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
5071 * config/alpha/alpha.c: Likewise.
5072 * config/alpha/alpha.md: Likewise.
5073 * config/alpha/alpha32.h: Likewise.
5074 * config/alpha/vms.h: Likewise.
5077 2001-07-14 Richard Henderson <rth@redhat.com>
5079 * config/alpha/alpha.md: Use define_constants for unspec values.
5080 Substitute throughout.
5082 2001-07-14 Tim Josling <tej@melbpc.org.au>
5084 * tree.def (EXPON_EXPR) remove. Never supported anyway.
5086 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
5088 * pa.md: Remove unused constraints from define_split's.
5090 2001-04-14 Richard Henderson <rth@redhat.com>
5092 * ifcvt.c (find_cond_trap): Test for exit block.
5094 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
5096 Re-install recently reverted patch.
5097 * emit-rtl.c (try_split): Update mark_jump_label call.
5098 * flow.c (find_sub_basic_blocks): Likewise.
5099 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
5101 (mark_all_labels): Kill second parameter.
5102 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
5103 (rebuild_jump_labels, jump_optimize_minimal): Update call
5105 (jump_optimize_1): Kill crossjumping code.
5106 (mark_jump_label): Kill cross_jump parameter.
5107 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
5108 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
5109 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
5111 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
5113 (dump_file_info): Likewise.
5114 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
5115 reorganize passes to do reg-stack first, bb-reorder second.
5116 * invoke.texi (-d letters doc): Remove the jump2 pass.
5118 2001-07-14 Richard Henderson <rth@redhat.com>
5120 * ifcvt.c (find_cond_trap): New.
5121 (find_if_header): Call it.
5122 (merge_if_block): Relax existing jump sanity check.
5123 * jump.c (jump_optimize_1): Remove conditional trap handling.
5125 2001-07-14 Alan Modra <amodra@bigpond.net.au>
5127 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
5129 (insn_refs_are_delayed): Correct comment.
5130 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
5131 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
5132 instead of r31. Make associated insn !TARGET_64BIT, and
5133 provide an additional 64-bit insn that clobbers r2.
5135 (udivsi3): Likewise.
5137 (umodsi3): Likewise.
5139 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
5141 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
5143 * flow.c (redirect_edge_and_branch_force, split_edge,
5144 try_crossjump_to_edge): Use set_block_for_new_insns.
5145 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
5147 2001-07-13 H.J. Lu (hjl@gnu.org)
5149 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
5152 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
5154 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
5156 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
5158 * c-common.c (decl_attributes): Take a pointer to the node to
5159 which attributes are to be attached, and a flags argument.
5160 * c-common.h (enum attribute_flags): New.
5161 (decl_attributes): Update prototype.
5162 * c-decl.c (start_decl, push_parm_decl, finish_struct,
5163 finish_enum, start_function): Update calls to decl_attributes.
5164 * c-parse.in (component_declarator, component_notype_declarator,
5165 label): Update calls to decl_attributes.
5167 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
5169 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
5170 * config/avr/avr.c (legitimate_address_p): Return value changed
5171 from letter to register classes. For better debugging.
5173 2001-07-13 Kazu Hirata <kazu@hxi.com>
5175 * jump.c (reversed_comparison_code_parts): Fix comment typos.
5177 2001-07-13 H.J. Lu (hjl@gnu.org)
5179 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
5181 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
5183 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
5184 correctly for shared configurations.
5185 * config/t-libgcc-pic: New.
5186 * config/{i386,m68k,sparc}/t-openbsd: New.
5187 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
5188 Support -shared. Support debugging libraries with -g.
5189 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
5190 frame information does not emit pointer diffs.
5191 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
5194 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
5196 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
5198 2001-07-13 David Edelsohn <edelsohn@gnu.org>
5200 * combine.c (try_combine): Ensure const_int pow2 is positive.
5202 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
5204 * config.gcc: Add configuration for s/390.
5205 * config/s390/s390.c: New. Subroutines for code generation.
5206 * config/s390/s390.h: New. Definitions for s/390.
5207 * config/s390/s390-protos.h: New. Prototypes.
5208 * config/s390/linux.h: New. Definitions for linux for s/390.
5209 * config/s390/linux64.h: New. Definitions for linux for zSeries.
5210 * config/s390/t-linux: New. Makefile fragment.
5211 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
5212 * config/s390/fixdfdi.h: New. Fix L_fix*di.
5214 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5216 * emit-rtl.c (try_split): Update mark_jump_label call.
5217 * flow.c (find_sub_basic_blocks): Likewise.
5218 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
5220 (mark_all_labels): Kill second parameter.
5221 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
5222 (rebuild_jump_labels, jump_optimize_minimal): Update call
5224 (jump_optimize_1): Kill crossjumping code.
5225 (mark_jump_label): Kill cross_jump parameter.
5226 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
5227 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
5228 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
5230 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
5232 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
5233 reorganize passes to do reg-stack first, bb-reorder second.
5234 * invoke.texi (-d letters doc): Remove the jump2 pass.
5236 2001-07-12 Steve Ellcey <sje@cup.hp.com>
5238 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
5240 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
5242 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
5244 (verify_flow_info): Make diagnostics prettier.
5246 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
5248 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
5250 * flow.c (outgoing_edges_match): Return early if condition reversal
5253 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
5255 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
5256 (mips_move_2words): When splitting a move into two instructions,
5257 prefix the second address operand with '%D'.
5259 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
5261 * Makefile.in (final.o): Depend on debug.h.
5262 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
5263 (dbx_debug_hooks): Add new hooks.
5264 (xcoff_debug_hooks): New.
5265 * debug.c (debug_nothing_file_int_int): New.
5266 (do_nothing_debug_hooks): Update.
5267 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
5268 (debug_nothing_file_int_int): New.
5269 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
5270 static, update prototype.
5271 (dwarf2_debug_hooks): Update.
5272 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
5273 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
5274 static, update prototype.
5275 (dwarf_debug_hooks): Update.
5276 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
5277 * final.c: Include debug.h.
5278 (final_scan_insn): Use debug hooks when beginning and ending blocks.
5279 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
5280 static, update prototype.
5281 (sdb_debug_hooks): Update.
5282 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
5283 * toplev.c: Distinguish between xcoff and dbx.
5285 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
5286 Call all debug hooks, not just dwarf ones.
5288 2001-07-11 Timothy Wall <twall@redhat.com>
5290 * config.gcc: Add configuration for AIX5/IA64.
5291 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
5292 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
5293 support prefix/suffix code.
5294 * config/ia64/t-aix: New. Makefile fragment.
5295 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
5297 2001-07-11 Kazu Hirata <kazu@hxi.com>
5299 * recog.c (validate_change): Fix a comment typo.
5301 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
5303 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
5304 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
5306 * dbxout.c (dbx_debug_hooks): Add new hooks.
5307 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
5309 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
5311 * dbxout.h (dbxout_start_new_source_file,
5312 dbxout_resume_previous_source_file): Delete.
5313 * debug.c (do_nothing_debug_hooks): Add new hooks.
5314 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
5315 (debug_nothing_int_charstar, debug_nothing_int): New.
5316 * debug.h (gcc_debug_hooks): New hooks define, undef,
5317 start_source_file and end_source_file.
5318 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
5319 (debug_nothing_int_charstar, debug_nothing_int): New.
5320 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
5321 the conditionally compiled section.
5322 (dwarf2out_start_source_file, dwarf2out_end_source_file,
5323 dwarf2out_define, dwarf2out_undef): Make static.
5324 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
5325 dwarf2out_define, dwarf2out_undef): Remove.
5326 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
5327 (dwarfout_start_source_file, dwarfout_end_source_file,
5328 dwarfout_define, dwarfout_undef): Make static.
5329 (dwarfout_start_source_file_check,
5330 dwarfout_end_source_file_check): New.
5331 (dwarfout_define, dwarfout_finish): Update.
5332 * dwarfout.h (dwarfout_start_new_source_file,
5333 dwarfout_resume_previous_source_file, dwarfout_define,
5334 dwarfout_undef): Remove.
5335 * sdbout.c (sdb_debug_hooks): Add new hooks.
5336 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
5338 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
5339 make static, take an arg.
5340 * sdbout.h (sdbout_start_new_source_file,
5341 sdbout_resume_previous_source_file): Delete.
5342 * toplev.c (debug_start_source_file, debug_end_source_file,
5343 debug_define, debug_undef): Delete.
5344 * toplev.h (debug_start_source_file, debug_end_source_file,
5345 debug_define, debug_undef): Delete.
5347 * java/jcf-parse.c: Include debug.h.
5348 (parse_class_file): Update to use debug hooks directly.
5349 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
5351 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5353 * alias.c (set_mem_alias_set): New function.
5354 * rtl.h (set_mem_alias_set): Declare it.
5355 * builtins.c (expand_builtin_return_addr): Call it instead of
5356 using MEM_ALIAS_SET accessor.
5357 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
5358 (get_memory_rtx, expand_builtin_va_arg): Likewise.
5359 (expand_builtin_va_copy):Likewise.
5360 * caller-save.c (setup_save_areas): Likewise.
5361 * calls.c (compute_argument_addresses): Likewise.
5362 * explow.c (set_mem_attributes): Likewise.
5363 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
5364 (expand_assignment, store_constructor_field, store_field): Likewise.
5365 (expand_expr_unaligned): Likewise.
5366 * function.c (assign_stack_temp_for_type): Likewise.
5367 (put_reg_into_stack, gen_mem_addressof): Likewise.
5368 * ifcvt.c (noce_try_cmove_arith): Likewise.
5369 * reload1.c (reload, alter_reg): Likewise.
5370 * config/alpha/alpha.c (get_aligned_mem): Likewise.
5371 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
5372 (alpha_expand_unaligned_store): Likewise
5373 (alpha_expand_unaligned_load_words): Likewise.
5374 (alpha_expand_unaligned_store_words): Likewise.
5375 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
5376 (alpha_expand_epilogue): Likewise.
5377 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
5378 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
5379 * config/i386/i386.c (legitimize_pic_address): Likewise.
5380 * config/i960/i960.c (setup_incoming_varargs): Likewise.
5381 * config/ia64/ia64.c (spill_restore_mem): Likewise.
5382 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
5383 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
5384 * config/mips/mips.c (mips_va_arg): Likewise.
5385 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
5386 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
5387 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
5388 (setup_incoming_varargs, rs6000_va_arg): Likewise.
5389 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
5390 (rs6000_emit_epilogue): Likewise.
5391 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
5392 * config/sparc/sparc.c (sparc_va_arg): Likewise.
5393 * config/v850/v850.c (v850_va_arg): Likewise.
5395 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
5397 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
5398 when fallthru edge is present.
5399 (mege_blocks): Handle case where creation of jump insn
5402 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
5403 CLEANUP_POST_REGSTACK): New constants.
5404 * except.c (finish_eh_generation): Update call of cleanup_cfg,
5405 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
5406 * output.h (cleanup_cfg): Update prototype.
5407 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
5408 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
5409 cleanup_cfg call; kill missleading comment.
5410 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
5411 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
5412 parameter; control optimizations performed using it.
5413 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
5414 try_crossjump_bb): New functions.
5416 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
5418 * pa.c (pa_output_function_prologue): Delete prototype. Make function
5420 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
5421 pa_output_function_prologue.
5422 * pa-protos.h (pa_output_function_prologue): New prototype.
5424 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
5426 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
5427 and low to get correct sign extension in low+high test.
5429 2001-07-11 Janis Johnson <janis@us.ibm.com>
5431 * gcov.c (arcdata): Use gcov_type to fix branch percentage
5432 for large hit count.
5434 * profile.c (branch_prob): Fix .bbg info for computed gotos
5437 2001-07-11 Mark Mitchell <mark@codesourcery.com>
5439 * stmt.c (parse_output_constraint): New function, split out
5441 (expand_asm_operands): ... here. Use parse_output_constraint.
5442 * tree.h (parse_output_constraint): Declare it.
5444 2001-07-11 Richard Henderson <rth@redhat.com>
5446 * bitmap.c: Comment some functions; fiddle whitespace.
5447 (bitmap_free): Don't export.
5448 (bitmap_element_allocate): Use memset.
5449 * bitmap.h (bitmap_free): Don't declare.
5451 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
5453 * gcse.c, lcm.c, sched-deps.c:
5454 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
5456 * flow.c (flow_loops_find): Free dom if we found no loops, since
5457 we aren't going to save it.
5459 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
5462 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
5464 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
5466 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5468 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
5469 #ifndef DWARF2_DEBUGGING_INFO.
5471 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
5473 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
5475 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
5477 * config/mips/mips.c (gen_int_relational): Tell the caller not to
5478 reverse a branch if a NE comparison is implemented with GTU.
5480 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
5481 H.J. Lu <hjl@gnu.org>
5483 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
5485 (call_internal2): Likewise.
5486 (call_value_internal1): Likewise.
5487 (call_value_internal2): Likewise.
5488 (call_value_multiple_internal1): Likewise.
5489 (call_value_multiple_internal2): Likewise.
5491 2001-07-10 Kazu Hirata <kazu@hxi.com>
5493 * calls.c (emit_library_call_value_1): Fix a comment typo.
5494 * dwarf2out.c (mem_loc_descriptor): Likewise.
5495 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
5497 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
5499 * simplify-rtx.c (simplify_subreg): Fix typo in comment
5501 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5503 * recog.c (offsettable_address_p): Handle LO_SUM case.
5504 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
5505 instead of plus_constant.
5507 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5509 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
5510 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
5512 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5514 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
5515 adjust_address_nv instead of plus_constant.
5517 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
5519 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
5520 dwarf2out.o): Depend on debug.h, wrap long lines.
5521 * dbxout.c: Include debug.h.
5522 (dbx_debug_hooks): New.
5523 (dbxout_init): Make static, take just 2 args.
5524 (dbxout_finish): Make static.
5525 * dbxout.h (dbxout_init, dbxout_finish): Delete.
5526 * debug.c: New file.
5527 * debug.h: New file.
5528 * dwarf2out.c: Include debug.h.
5529 (dwarf2_debug_hooks): New.
5530 (dwarf2out_init): Make static.
5531 (dwarf2out_finish): Make static, take 2 args.
5532 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
5533 * dwarfout.c: Include debug.h.
5534 (dwarf_debug_hooks): New.
5535 (dwarfout_init): Make static.
5536 (dwarfout_finish): Make static, take 2 args.
5537 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
5538 * sdbout.c: Include debug.h.
5539 (sdb_debug_hooks): New.
5540 (sdbout_init): Make static, take 2 args.
5541 * sdbout.h (sdbout_init): Delete.
5542 * toplev.c: Include debug.h.
5544 (compile_file): Set deubg_hooks based on command line options.
5545 Use the hooks unconditionally rather than conditional compilation.
5547 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
5549 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
5550 first_insn_after_basic_block_note instead.
5552 * df.c (df_bb_refs_unlink): #if 0 out for now.
5554 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
5556 * ssa.h: Add prototype for ssa_const_prop
5557 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
5558 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
5559 (ssa_fast_dce): Remove unused variable
5561 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5563 * diagnostic.c (finish_diagnostic): Rename to
5564 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
5567 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
5569 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
5572 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
5573 (dump_file): Only pad the demangled name with spaces if the
5574 mangled name was padded with spaces.
5576 2001-07-10 Bernd Schmidt <bernds@redhat.com>
5578 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
5581 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5583 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
5584 extraction if no direct load if either EXPAND_CONST_ADDRESS or
5587 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
5588 whether can put offset inside LO_SUM to check mode alignment, not size.
5590 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5592 * doc/tm.texi (Misc): Fix thinko.
5594 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
5596 * regmove.c (replace_in_call_usage): Fix warnings.
5597 * sched-deps.c (add_dependence): Fix warnings.
5598 * simplify-rtx.c (simplify_subreg): Likewise.
5599 Return NULL_RTX instead of NULL.
5601 * reg-stack.c (emit_swap_insn): Eliminate warnings.
5602 (subst_asm_stack_regs): Likewise.
5604 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
5607 * dwarf2out.c (output_call_frame_info): Declare i as int.
5608 (build_abbrev_table): Declare n_alloc as int.
5609 (dwarf2out_finish): Initialize die.
5610 * except.c: Declare sjlj_funcdef_number as unsigned.
5611 (connect_post_landing_pads): Declare j as unsigned.
5612 (convert_to_eh_region_ranges): Initialize call_site.
5613 (output_function_exception_table): Initialize tt_format_size.
5614 * expr.c (move_by_pieces_1): Initialize to1.
5615 (store_constructor): Initialize minelt and maxelt.
5616 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
5617 * function.c (instantiate_decls): Avoid signed/unsigned warning.
5619 * c-decl.c (combine_parm_decls): Unused, remove.
5620 * c-tree.h: Remove prototype for combine_parm_decls.
5622 * reload.c (push_reload): Fix warning.
5623 (regno_clobbered_p): Likewise.
5624 * reload1.c (replace_pseudos_in_call_usage): Likewise.
5625 (reload_combine): Likewise.
5627 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
5628 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
5630 * bitmap.c (bitmap_operation): Change user.
5631 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
5633 2001-07-10 Eric Christopher <echristo@redhat.com>
5635 * config/mips/mips.c (override_options): Fix typo.
5637 2001-07-09 Stan Shebs <shebs@apple.com>
5639 * target.h (struct gcc_target): New fields init_builtins and
5641 * target-def.h (TARGET_INIT_BUILTINS): New macro.
5642 (TARGET_EXPAND_BUILTIN): New macro.
5643 (TARGET_INITIALIZER): Add them.
5644 * builtins.c: Include target.h.
5645 (expand_builtin): Use targetm.expand_builtin.
5646 (default_init_builtins): New function.
5647 (default_expand_builtin): New function.
5648 * expr.h (default_init_builtins): Declare.
5649 (default_expand_builtin): Declare.
5650 * c-common.c (c_common_nodes_and_builtins): Use
5651 targetm.init_builtins.
5652 * defaults.h (MD_INIT_BUILTINS): Remove.
5653 * Makefile.in (builtins.o): Depend on target.h.
5655 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
5656 (TARGET_EXPAND_BUILTIN): Define.
5657 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
5658 (MD_EXPAND_BUILTIN): Remove.
5660 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
5661 (TARGET_EXPAND_BUILTIN): Define.
5662 (c4x_init_builtins): Make endlink arg a local.
5663 (c4x_print_operand): Fix typos in adjust_address usages.
5664 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
5665 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
5666 (MD_EXPAND_BUILTIN): Remove.
5668 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
5669 (TARGET_EXPAND_BUILTIN): Define.
5670 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
5671 (ix86_init_builtins): Call new function only if TARGET_MMX.
5672 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
5673 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
5674 (MD_EXPAND_BUILTIN): Remove.
5676 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
5677 (TARGET_EXPAND_BUILTIN): Define.
5678 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
5679 (MD_EXPAND_BUILTIN): Remove.
5681 * doc/tm.texi: Document these changes.
5683 2001-07-09 Diego Novillo <dnovillo@redhat.com>
5685 * basic-block.h (tree_node): Forward declare if needed.
5686 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
5687 (BLOCK_HEAD_TREE): Define.
5688 (BLOCK_END_TREE): Define.
5689 (struct loops): Rename field 'tree' to 'tree_root'.
5690 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
5692 (flow_loops_tree_build): Rename reference to field 'tree' to
5694 (flow_loops_level_compute): Ditto.
5695 * predict.c (estimate_bb_frequencies): Ditto.
5696 * tree.h (struct tree_common): Add field 'aux'.
5698 2001-07-09 Stan Shebs <shebs@apple.com>
5700 * config/darwin.c (darwin_encode_section_info): Don't mark any
5701 DECL_EXTERNAL node as defined.
5703 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
5705 * pa.c (pa_init_machine_status, pa_mark_machine_status,
5706 pa_free_machine_status, hppa_init_pic_save): Delete.
5707 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
5708 (hppa_profile_hook): Use hppa_pic_save_rtx.
5709 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
5710 hppa_init_pic_save): Delete.
5711 (hppa_pic_save_rtx): Declare.
5712 * pa.md (call, call_value, sibcall, sibcall_value,
5713 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
5715 2001-07-09 Kazu Hirata <kazu@hxi.com>
5717 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
5718 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
5720 2001-07-09 Andreas Jaeger <aj@suse.de>
5722 * output.h: Add declaration of final_forward_branch_p.
5724 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
5726 * varray.c: Include errors.h for internal_error and trim_filename
5729 * Makefile.in (varray.o): Add errors.h.
5731 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
5733 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
5734 * optabs.c (have_add2_insn): Check whether the add insn chosen
5735 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
5736 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
5738 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
5740 * Makefile.in (OBJS): Add ssa-ccp.o
5741 (ssa-ccp.o): Add dependencies.
5742 * toplev.c (DFI_ssa_ccp): New dump file enum.
5743 (dump_file): Add entry for dumping after SSA CCP.
5744 (flag_ssa_ccp): New flag variable.
5745 (f_options): Add -fssa-ccp.
5746 (rest_of_compilation): Run SSA CCP if requested.
5747 * timevar.def (TV_SSA_CCP): New timevar.
5748 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
5749 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
5750 Fix minor typo in SSA DCE documentation.
5751 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
5752 Add documentation for new dump option. Renumber dump files
5755 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
5757 * emit-rtl.c (gen_highpart_mode): New.
5758 * rtl.h (gen_highpart_mode): Declare.
5759 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
5760 operand can be VOIDmode constant.
5762 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
5764 * flow.c (redirect_edge_and_branch_force): New.
5765 (can_fallthru): Ensure that basic blocks are succeeding.
5766 (try_optimize_cfg): Do not delete basic block if it is the last one.
5768 * flow.c (try_redirect_by_replacing_jump): Do not remove
5769 jumps with side effects, unlink chain on fallthru edge;
5770 set block for new jump instruction; avoid basic block to
5771 over by line number note.
5773 * flow.c (try_simplify_condjump): Verify that the condjump
5774 is not always falling trought.
5777 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
5779 * flow.c (forwarder_block_p): Fix for fallthru blocks.
5780 (try_redirect_by_replacing_jump): Update properly the count
5781 and frequency information.
5783 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5785 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
5786 address that is a LO_SUM specially.
5787 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
5789 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
5791 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
5792 (operand_subword): Use them.
5793 (change_address_1): Renamed from change_address; new arg VALIDATE.
5794 * expr.h: Reflect above changes; change_address now macro.
5795 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
5797 * cselib.c (add_mem_for_addr): Likewise.
5798 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
5799 * regmove.c (try_apply_stack_adjustment): Likewise.
5800 * reload.c (push_reload, make_memloc): Likewise.
5801 * reload1.c (eliminate_regs): Likewise.
5802 * simplify-rtx.c (simplify_replace_rtx): Likewise.
5803 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
5805 * combine.c (make_extraction, simplify_shift_const): Likewise.
5806 (gen_lowpart_for_combine): Likewise.
5807 * cse.c (gen_lowpart_if_possible): Likewise.
5808 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
5809 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
5810 * optabs.c (gen_move_insn): Likewise.
5811 * reload1.c (alter_reg): Likewise.
5812 * simplify-rtx.c (simplify_subreg): Likewise.
5813 * stmt.c (expand_anon_union_decl): Likewise.
5814 * recog.c (validate_replace_rtx_1): Likewise.
5816 * Makefile.in (recog.o): Add $(EXPR_H).
5817 * explow.c (stabilize): Call replace_equiv_address.
5818 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
5819 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
5821 2001-07-03 Andrew Haley <aph@redhat.com>
5823 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
5824 the mode of the memory location.
5826 2001-07-09 Bo Thorsen <bo@suse.co.uk>
5828 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
5830 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
5832 * final.c (output_addr_const): Use target opening and
5833 closing parentheses.
5834 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
5835 defaults, add to TARGET_ASM_OUT.
5836 * target.h (struct gcc_target): Add open_paren and close_paren.
5837 * doc/md.texi: Update.
5838 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
5839 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
5840 TARGET_ASM_CLOSE_PAREN.
5841 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
5843 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
5845 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
5846 * config/a29k/a29k.h: Similarly.
5847 * config/alpha/alpha.h: Similarly.
5848 * config/arc/arc.h: Similarly.
5849 * config/arm/aof.h: Similarly.
5850 * config/arm/aout.h: Similarly.
5851 * config/avr/avr.h: Similarly.
5852 * config/c4x/c4x.h: Similarly.
5853 * config/clipper/clipper.h: Similarly.
5854 * config/convex/convex.h: Similarly.
5855 * config/d30v/d30v.h: Similarly.
5856 * config/dsp16xx/dsp16xx.h: Similarly.
5857 * config/elxsi/elxsi.h: Similarly.
5858 * config/fr30/fr30.h: Similarly.
5859 * config/h8300/h8300.h: Similarly.
5860 * config/i370/i370.h: Similarly.
5861 * config/i386/i386.h: Similarly.
5862 * config/i860/i860.h: Similarly.
5863 * config/i960/i960.h: Similarly.
5864 * config/ia64/ia64.h: Similarly.
5865 * config/m32r/m32r.h: Similarly.
5866 * config/m68hc11/m68hc11.h: Similarly.
5867 * config/m68k/m68k.h: Similarly.
5868 * config/m88k/m88k.h: Similarly.
5869 * config/mcore/mcore.h: Similarly.
5870 * config/mips/mips.h: Similarly.
5871 * config/mn10200/mn10200.h: Similarly.
5872 * config/mn10300/mn10300.h: Similarly.
5873 * config/ns32k/ns32k.h: Similarly.
5874 * config/pa/pa.h: Similarly.
5875 * config/pdp11/pdp11.h: Similarly.
5876 * config/pj/pj.h: Similarly.
5877 * config/romp/romp.h: Similarly.
5878 * config/rs6000/rs6000.h: Similarly.
5879 * config/sh/sh.h: Similarly.
5880 * config/sparc/sparc.h: Similarly.
5881 * config/v850/v850.h: Similarly.
5882 * config/vax/vax.h: Similarly.
5883 * config/we32k/we32k.h: Similarly.
5885 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
5887 * doc/c-tree.texi: Document representation of attributes.
5889 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
5891 * doc/tm.texi: Update some places for the rename of target to
5894 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
5896 * target.h (struct gcc_target): Add insert_attributes.
5897 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
5898 (TARGET_INITIALIZER): Update.
5899 * tree.c, tree.h (default_insert_attributes): New function.
5900 Update comments on other default functions to refer to targetm,
5902 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
5903 TARGET_INSERT_ATTRIBUTES.
5904 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
5905 * c-common.c (decl_attributes): Use targetm.insert_attributes.
5906 Don't use PRAGMA_INSERT_ATTRIBUTES.
5907 * Makefile.in (c-common.o): Depend on $(TARGET_H).
5908 * c-decl.c (start_decl, start_function): Don't call
5909 SET_DEFAULT_DECL_ATTRIBUTES.
5910 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
5911 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
5913 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
5914 (c4x_check_attribute): Avoid modifying attribute list itself.
5915 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
5917 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
5918 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
5920 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
5921 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
5923 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
5924 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
5926 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
5927 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
5928 Adjust parameters. Make static.
5930 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
5932 * c-common.c (decl_attributes): Only take a single attributes
5934 * c-common.h (decl_attributes): Update prototype.
5935 * c-decl.c (start_decl, start_function): Only take a single
5936 attributes parameter. Update calls to decl_attributes.
5937 (finish_struct, finish_enum): Update calls to decl_attributes.
5938 (push_parm_decl): Expect unified list of attributes. Update call
5940 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
5941 notype_nested_function, component_declarator,
5942 component_notype_declarator, label): Update calls to
5944 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
5945 lists that are passed to push_parm_decl.
5946 * c-tree.h (start_function, start_decl): Update prototypes.
5947 * config/sh/sh-protos.h, config/sh/sh.c
5948 (sh_pragma_insert_attributes): Only take a single attributes
5950 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
5951 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
5952 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
5953 build_module_descriptor, generate_static_references,
5954 generate_strings, build_selector_translation_table,
5955 generate_descriptor_table, generate_protocols,
5956 generate_ivars_list, generate_dispatch_table,
5957 generate_protocol_list, generate_category,
5958 generate_shared_structures, really_start_method, add_objc_decls,
5959 generate_classref_translation_entry): Update calls to start_decl
5961 (build_tmp_function_decl, start_method_def): Unify attribute lists
5962 that are passed to push_parm_decl.
5964 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
5966 * final.c (no_asm_to_stream): New.
5967 (final_scan_insn): Use target structures for prologue ends
5968 and epilogue starts.
5969 * output.h (no_asm_to_stream): New.
5970 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
5971 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
5972 (TARGET_ASM_OUT): Update.
5973 * target.h (struct gcc_target): New members function_end_prologue
5974 and function_begin_epilogue.
5975 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
5976 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
5977 * config/alpha/alpha.c (output_end_prologue): Rename to
5978 alpha_output_function_end_prologue. Use in target struct
5980 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
5981 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
5982 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
5983 ia64_output_function_end_prologue. Use in target struct
5985 (ia64_function_prologue, ia64_funciton_epilogue): Rename
5986 mistyped prototypes.
5987 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
5988 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
5990 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
5991 an use in target struct, make static.
5992 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
5995 2001-07-08 Richard Henderson <rth@redhat.com>
5997 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
5999 2001-07-08 Richard Henderson <rth@redhat.com>
6001 * config/i386/i386.md: Remove constraints strings from define_split
6002 and define_peephole2 patterns.
6003 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
6004 (eh_return): Use them.
6006 2001-07-08 Richard Henderson <rth@redhat.com>
6008 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
6009 Document MD_FALLBACK_FRAME_STATE_FOR.
6011 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6013 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
6014 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
6016 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
6018 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
6020 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
6021 of the label inside NAME as opposed to just the end of NAME.
6023 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
6025 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
6026 * config/alpha/alpha.c (alpha_init_machine_status,
6027 alpha_mark_machine_status, alpha_free_machine_status): Delete.
6028 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
6029 (vms_valid_decl_attribute_p): Make static, conditionally compile.
6030 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
6032 2001-07-06 Stan Shebs <shebs@apple.com>
6034 * target.h (targetm): Rename global from "target", so as not to
6035 conflict with local variables.
6037 * c-typeck.c: Ditto.
6041 * cp/decl2.c: Ditto.
6042 * cp/typeck.c: Ditto.
6043 * 1750a/1750a.c: Ditto.
6044 * a29k/a29k.c: Ditto.
6048 * clipper/clipper.c: Ditto.
6049 * convex/convex.c: Ditto.
6050 * d30v/d30v.c: Ditto.
6051 * dsp16xx/dsp16xx.c: Ditto.
6052 * elxsi/elxsi.c: Ditto.
6053 * fr30/fr30.c: Ditto.
6054 * h8300/h8300.c: Ditto.
6055 * i370/i370.c: Ditto.
6056 * i386/i386.c: Ditto.
6057 * i860/i860.c: Ditto.
6058 * i960/i960.c: Ditto.
6059 * ia64/ia64.c: Ditto.
6060 * m32r/m32r.c: Ditto.
6061 * m68hc11/m68hc11.c: Ditto.
6062 * m68k/m68k.c: Ditto.
6063 * m88k/m88k.c: Ditto.
6064 * mips/mips.c: Ditto.
6065 * ns32k/ns32k.c: Ditto.
6067 * pdp11/pdp11.c: Ditto.
6068 * romp/romp.c: Ditto.
6069 * rs6000/rs6000.c: Ditto.
6071 * sparc/sparc.c: Ditto.
6073 * we32k/we32k.c: Ditto.
6074 * doc/tm.texi: Update the manual to match.
6076 2001-07-06 Richard Henderson <rth@redhat.com>
6078 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
6079 DWARF2_UNWIND_INFO not just whether it is defined.
6081 2001-07-06 Diego Novillo <dnovillo@redhat.com>
6083 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
6084 call to simplify_binary_operation returns a new pattern.
6086 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
6088 * glimits.h (__SHRT_MAX__): New.
6089 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
6090 (SHRT_MAX): Define in terms of __SHRT_MAX__.
6092 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
6094 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
6097 2001-07-06 Richard Henderson <rth@redhat.com>
6099 * bitmap.c (bitmap_release_memory): Move adjacent to the
6100 allocation functions.
6101 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
6102 the implementation. Binary search for the set bit.
6103 (bitmap_union_of_diff): Allocate the temporary on the stack
6104 instead of using xmalloc.
6106 2001-07-06 Richard Henderson <rth@redhat.com>
6108 * genrecog.c (validate_pattern): Warn for constraints in
6109 define_{expand,split,peephole2}. Remove strict_low_part
6110 before looking up match_dup.
6112 2001-07-06 DJ Delorie <dj@redhat.com>
6114 * doc/gcc.texi (Makefile): Rename to be a more general purpose
6115 chapter about various build hints and history. Add section
6116 talking about the various types of native and cross builds.
6118 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
6120 * Makefile.in (final.o): Depend on target.h.
6121 * final.c: Include target.h.
6122 (default_function_pro_epilogue): New.
6123 (final_start_function): Use target structure for function prologues.
6124 (final_end_function): Use target structure for function epilogues.
6125 * fold-const.c (real_hex_to_f): Constify s and p.
6126 * output.h (default_function_pro_epilogue): New.
6127 * real.h (real_hex_to_f): Update prototype.
6128 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
6129 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
6130 (TARGET_INITIALIZER): Update.
6131 * target.h (gcc_target): Add struct asm_out.
6132 * doc/tm.texi: Update.
6135 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
6136 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
6137 in cpu/cpu.c, or rename old functions consistently. Take
6138 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
6139 redundant macros and prototypes. Make new functions static.
6141 * 1750a/1750a.c: Similarly.
6142 * 1750a/1750a.h: Similarly.
6143 * a29k/a29k-protos.h: Similarly.
6144 * a29k/a29k.c: Similarly.
6145 * a29k/a29k.h: Similarly.
6146 * arc/arc-protos.h: Similarly.
6147 * arc/arc.c: Similarly.
6148 * arc/arc.h: Similarly.
6149 * arm/arm-protos.h: Similarly.
6150 * arm/arm.c: Similarly.
6151 * arm/arm.h: Similarly.
6152 * avr/avr-protos.h: Similarly.
6153 * avr/avr.c: Similarly.
6154 * avr/avr.h: Similarly.
6155 * clipper/clipper-protos.h: Similarly.
6156 * clipper/clipper.c: Similarly.
6157 * clipper/clipper.h: Similarly.
6158 * convex/convex.c: Similarly.
6159 * convex/convex.h: Similarly.
6160 * d30v/d30v-protos.h: Similarly.
6161 * d30v/d30v.c: Similarly.
6162 * d30v/d30v.h: Similarly.
6163 * d30v/d30v.md: Similarly.
6164 * dsp16xx/dsp16xx-protos.h: Similarly.
6165 * dsp16xx/dsp16xx.c: Similarly.
6166 * dsp16xx/dsp16xx.h: Similarly.
6167 * elxsi/elxsi.c: Similarly.
6168 * elxsi/elxsi.h: Similarly.
6169 * fr30/fr30.c: Similarly.
6170 * fr30/fr30.md: Similarly.
6171 * h8300/h8300-protos.h: Similarly.
6172 * h8300/h8300.c: Similarly.
6173 * h8300/h8300.h: Similarly.
6174 * i370/i370-protos.h: Similarly.
6175 * i370/i370.c: Similarly.
6176 * i370/i370.h: Similarly.
6177 * i386/i386.c: Similarly.
6178 * i386/osf1elf.h: Similarly.
6179 * i386/osfrose.h: Similarly.
6180 * i860/i860-protos.h: Similarly.
6181 * i860/i860.c: Similarly.
6182 * i860/i860.h: Similarly.
6183 * i960/i960-protos.h: Similarly.
6184 * i960/i960.c: Similarly.
6185 * i960/i960.h: Similarly.
6186 * ia64/ia64-protos.h: Similarly.
6187 * ia64/ia64.c: Similarly.
6188 * ia64/ia64.h: Similarly.
6189 * m32r/m32r-protos.h: Similarly.
6190 * m32r/m32r.c: Similarly.
6191 * m32r/m32r.h: Similarly.
6192 * m68hc11/m68hc11-protos.h: Similarly.
6193 * m68hc11/m68hc11.c: Similarly.
6194 * m68hc11/m68hc11.h: Similarly.
6195 * m68k/crds.h: Similarly.
6196 * m68k/dpx2.h: Similarly.
6197 * m68k/m68k-protos.h: Similarly.
6198 * m68k/m68k.c: Similarly.
6199 * m68k/m68k.h: Similarly.
6200 * m68k/news.h: Similarly.
6201 * m88k/m88k-protos.h: Similarly.
6202 * m88k/m88k.c: Similarly.
6203 * m88k/m88k.h: Similarly.
6204 * mips/mips-protos.h: Similarly.
6205 * mips/mips.c: Similarly.
6206 * mips/mips.h: Similarly.
6207 * ns32k/merlin.h: Similarly.
6208 * ns32k/ns32k.c: Similarly.
6209 * ns32k/ns32k.h: Similarly.
6210 * ns32k/tek6000.h: Similarly.
6211 * pa/pa-protos.h: Similarly.
6212 * pa/pa.c: Similarly.
6213 * pa/pa.h: Similarly.
6214 * pdp11/2bsd.h: Similarly.
6215 * pdp11/pdp11-protos.h: Similarly.
6216 * pdp11/pdp11.c: Similarly.
6217 * pdp11/pdp11.h: Similarly.
6218 * romp/romp-protos.h: Similarly.
6219 * romp/romp.c: Similarly.
6220 * romp/romp.h: Similarly.
6221 * rs6000/rs6000-protos.h: Similarly.
6222 * rs6000/rs6000.c: Similarly.
6223 * rs6000/rs6000.h: Similarly.
6224 * rs6000/sysv4.h: Similarly.
6225 * sh/sh-protos.h: Similarly.
6226 * sh/sh.c: Similarly.
6227 * sh/sh.h: Similarly.
6228 * sparc/sparc-protos.h: Similarly.
6229 * sparc/sparc.c: Similarly.
6230 * sparc/sparc.h: Similarly.
6231 * vax/vax.c: Similarly.
6232 * vax/vax.h: Similarly.
6233 * vax/vms.h: Similarly.
6234 * we32k/we32k.c: Similarly.
6235 * we32k/we32k.h: Similarly.
6237 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
6239 * basic-block.h (first_insn_after_basic_block_note): Declare.
6240 * flow.c (first_insn_after_basic_block_note): Define. Moved
6242 * ssa.c (first_insn_after_basic_block_note): Remove.
6243 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
6245 (ssa_eliminate_dead_code): Properly update the CFG and PHI
6246 nodes when we find a dead conditional branch. Insert BARRIERs
6247 after any blocks with no successors, but which do not have
6250 2001-07-06 Zack Weinberg <zackw@stanford.edu>
6252 * varray.c (varray_check_failed): Use internal_error.
6254 2001-07-05 Andrew Haley <aph@redhat.com>
6256 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
6257 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
6258 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
6260 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
6262 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
6263 reference if the target constant is also a SYMBOL_REF.
6265 2001-07-05 Eric Christopher <echristo@redhat.com>
6267 * config/mips/mips.h (MASK_MIPS3900): Remove.
6268 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
6269 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
6270 (TARGET_MIPS3900): Change to use mips_arch.
6271 (TARGET_MIPS4000): New.
6272 (TARGET_MIPS4100): New.
6273 (TARGET_MIPS4300): New.
6274 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
6275 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
6277 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
6278 (ISA_HAS_BRANCHLIKELY): To here.
6279 (CC1_CPU_SPEC): New.
6280 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
6281 (mips_arch_string): Declare.
6282 (mips_arch): Declare.
6283 (TARGET_OPTIONS): Add -march and -mtune.
6285 * config/mips/mips.c (mips_arch_string): New.
6287 (override_options): Handle -march for codegen and -mtune
6288 for scheduling. Use mips_arch. Move tx39 target default here.
6289 (mips_parse_cpu): Move error message to override_options.
6291 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
6293 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
6295 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
6296 (MIPS Options): Ditto. Change mcpu entry to historical text.
6298 2001-07-05 H.J. Lu (hjl@gnu.org)
6300 * config/mips/mips.c (mips_parse_cpu): New function to parse
6303 2001-07-05 Jim Wilson <wilson@redhat.com>
6305 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
6306 * config/ia64/t-ia64: Likewise.
6307 (LIB1ASMFUNCS): Update comment.
6309 2001-07-05 David Edelsohn <edelsohn@gnu.org>
6311 * doc/install.texi (Install GCC: Binaries): Fix typo.
6313 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6315 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
6316 reference using the stack pointer, adjust it since we push Y
6318 ("*ashrsi3"): Likewise.
6319 ("*lshrsi3"): Likewise.
6321 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6323 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
6324 when -fomit-frame-pointer is used.
6326 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
6328 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
6329 (try_redirect_by_replacing_jump): Reverse updating properly the
6330 count and frequency information. Reverse removing cc0 setter.
6331 (forwarder_block_p): Reverse fixing for fallthru blocks.
6333 2001-07-05 DJ Delorie <dj@redhat.com>
6335 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
6336 (translate_options): If the above is defined, use it to map
6337 given options to new options.
6338 * doc/tm.texi: Document it.
6340 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
6341 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6343 * doc/invoke.texi (Optimize Options): Document that -fgcse may
6344 cause programs using computed gotos to run more slowly.
6346 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6348 * doc/install.texi (Specific): Markup, spelling and typo fixes.
6350 Consistently require binutils 2.11.2, not prereleases.
6351 (Specific, decstation-*): Canonicalize as mips-dec-*.
6352 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
6354 (Specific, m68k-altos): Removed reference to README.altos, deleted.
6355 (Specific, mips-*): Reword MIPS C compiler requirements.
6356 (Specific, powerpc*-*-*): New, mention --with-cpu once.
6357 (Specific, sunv5): Removed, obsolete.
6359 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
6361 * dwarf2out.c (output_loc_list): Use an all ones mask for
6362 .text asm output and don't rely on long long
6363 literals. Reformat some long lines.
6365 2001-07-05 Andreas Jaeger <aj@suse.de>
6367 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
6370 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
6372 * dwarf2out.c (dwarf2out_define): Update comment.
6373 (dwarf2out_undef): Ditto.
6374 (dwarf2out_start_source_file): Ditto.
6375 (dwarf2out_end_source_file): Ditto.
6376 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
6377 since we never call the start/end debug hook for the primary file.
6379 2001-07-04 Kazu Hirata <kazu@hxi.com>
6381 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
6384 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
6386 * cppinit.c (remove_dup_dirs): Inform if a system include
6387 directory is being reordered.
6388 * doc/invoke.texi (Directory Options): GCC warns if you hide a
6390 * doc/cpp.texi (Search Paths): Likewise.
6391 * doc/gcc.texi (Interoperation): Remove information about
6394 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
6396 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
6397 (VARRAY_TOP_CHAR_PTR): Likewise.
6399 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6401 * gcc.c (process_command): Don't assign elements of a const char*.
6403 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6405 * emit-rtl.c (change_address): Don't abort if invalid address while
6406 reload is in progress.
6408 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
6410 * c-lex.c (cb_file_change): Pass line number to
6411 debug_start_source_file.
6412 (cb_undefine): Pass correct line number to debug_undef.
6414 * toplev.c (debug_start_source_file): Add line number to
6415 parameters. Pass it along to dwarf2out_start_source_file.
6416 (decode_g_option): Stop resetting debug level back to normal when
6417 we change debug formats, unless the current level is
6418 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
6421 * toplev.h (debug_start_source_file): Add line number to
6424 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
6427 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
6429 Output debug_macinfo data for starting file if requested.
6430 (dwarf2out_end_source_file): Output debug_macinfo data for ending
6432 (dwarf2out_define): Output debug_macinfo data for defining a macro
6434 (dwarf2out_undef): Output debug_macinfo data for undefining a
6436 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
6437 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
6438 (macinfo_section_label): New. DWARF2 macro info section label.
6439 (dwarf2out_init): If we want macro info, output the start label
6441 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
6442 attribute to the compilation unit die pointing to the macro info.
6444 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
6446 * dwarf2out.c (new_loc_list): Move to inside #ifdef
6447 DWARF2_DEBUGGING_INFO.
6448 (add_loc_descr_to_loc_list): Ditto.
6449 (output_loc_list): Ditto.
6450 Also, fix thinko in curr not being initialized.
6451 (gen_internal_sym): Ditto.
6453 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6455 * emit-rtl.c (replace_equiv_address): New function.
6456 * expr.h (replace_equiv_address): New declaration.
6457 * explow.c (validize_mem): Call it instead of change_address and
6458 also call if -fforce-addr and address is constant.
6459 * expr.c: Replace more calls to change_address with adjust_address
6460 and/or replace_equiv_address or to validize_mem.
6461 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
6462 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
6463 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
6464 * config/i370/i370.md, config/i860/i860.md: Likewise.
6465 * config/i960/i960.md, config/mips/mips.c: Likewise.
6466 * config/mips/mips.md, config/pa/pa.md: Likewise.
6467 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
6468 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
6470 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6472 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
6474 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
6477 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
6479 * doc/include: New directory.
6480 * doc/fdl.texi: Move to doc/include/fdl.texi.
6481 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
6482 * doc/include/funding.texi, doc/include/gpl.texi: New files.
6483 * doc/gcc.texi: Use funding.texi and gpl.texi.
6484 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
6485 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
6486 Update dependencies and use -I $(docdir)/include.
6488 2001-07-04 Anthony Green <green@redhat.com>
6490 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
6492 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6494 * doc/install.texi (sparc64-*-*): Remove garbage.
6496 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
6498 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
6499 Fix typo in last change to use adjust_address.
6501 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6503 * doc/install.texi (Specific): Update information for *-*-solaris*.
6505 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6507 * explow.c (plus_constant_wide): Reinitialize Y for restart.
6509 2001-07-03 Stan Shebs <shebs@apple.com>
6511 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
6512 case for flag_no_mach_text_sections.
6513 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
6514 * config/darwin.c (flag_no_mach_text_sections): Remove.
6515 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
6517 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6519 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
6520 and avoid checking for constant as first operand.
6521 * recog.c (find_constant_term_loc): No longer static.
6522 (adj_offettable_operand): Delete.
6523 * rtl.h (adj_offsettable_operand): Delete declaration.
6524 (find_constant_term): Add declaration.
6525 * caller-save.c: Replace calls to adj_offsettable_operand with calls
6527 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
6528 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
6529 * config/i386/i386.c, config/i386/i386.md: Likewise.
6530 * config/i860/i860.c, config/i960/i960.c: Likewise.
6531 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
6532 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
6533 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
6534 * config/mips/mips.c, config/mips/mips.md: Likewise.
6535 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
6536 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
6537 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
6538 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
6539 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
6540 * config/ns32k/ns32k.md: Likewise.
6542 2001-07-03 Zack Weinberg <zackw@stanford.edu>
6544 * rtl.c (copy_rtx): Handle 'T' format letter.
6545 * gensupport.c (collect_insn_data): Likewise.
6546 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
6548 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
6550 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
6551 -B option. Use 'dir' not 'foo' as example directory name.
6553 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6555 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
6556 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
6558 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
6560 * doc/cppinternals.texi: Improve formatting and logical markup.
6562 2001-07-03 Andreas Jaeger <aj@suse.de>
6564 * Makefile.in (insn-recog.o): Add dependency on reload.h.
6566 * genrecog.c (write_header): Include reload.h for prototypes in
6569 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
6572 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
6573 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
6574 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
6575 i386_pe_valid_type_attribute_p): Add.
6576 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
6577 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
6579 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6581 * explow.c (plus_constant_wide, case LO_SUM): New case.
6582 (plus_constant_for_output_wide): Delete.
6583 * rtl.h (plus_constant_for_output): Delete.
6584 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
6585 instead of plus_constant_for_output.
6586 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
6587 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
6588 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
6589 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
6590 * config/sparc/sparc.md: Likewise.
6591 Convert some change_address calls to adjust_address.
6593 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
6595 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
6596 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
6597 documentation of -std and -Wwrite-strings.
6599 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
6601 * cse.c (canon_hash): Don't register registers in very small
6602 register classes, as extending their lifetime might cause
6605 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6607 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
6609 * flow.c (forwarder_block_p): Fix for fallthru blocks.
6610 (try_redirect_by_replacing_jump): Update properly the count
6611 and frequency information.
6613 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
6615 * toplev.c (dump_file_index): Move SSA dumps just after first
6617 (dump_file): Corresponding changes.
6618 (rest_of_compilation): Move SSA path to just after the first
6620 * doc/gcc.texi (Passes): Update due to movement of SSA path.
6621 * doc/invoke.texi: Update dump file #s as they were completely
6622 out of date with reality.
6624 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
6626 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
6628 * expr.c (emit_move_insn_1): Deal with non-default
6631 * expr.c (emit_single_push_insn): Fix warning.
6633 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
6635 * expr.c (emit_move_insn_1): Avoid modifying
6636 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
6638 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6640 * emit-rtl.c (adjust_address): New function.
6641 * expr.h (adjust_address): Add declaration.
6642 * builtins.c: Replace some calls to change_address with calls to it
6644 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
6645 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
6646 * config/arm/arm.c, config/convex/convex.c: Likewise.
6647 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
6648 * config/i386/i386.c, config/i386/i386.md: Likewise.
6649 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
6650 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
6651 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
6652 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
6653 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
6655 2001-07-02 Jim Wilson <wilson@redhat.com>
6657 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
6659 2001-07-02 Steve Ellcey <sje@cup.hp.com>
6661 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
6662 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
6664 2001-07-02 Zack Weinberg <zackw@stanford.edu>
6666 * cppinit.c (lang_defaults): New table.
6667 (set_lang): Just read from lang_defaults into the live options
6670 2001-07-02 Zack Weinberg <zackw@stanford.edu>
6672 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
6673 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
6674 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
6676 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6678 * doc/install.texi: Various spelling and markup fixes.
6679 (Installing GCC): Component specific installation instructions are
6682 Warn about removing old install dir in the presence of shared libs.
6683 (Configuration): Invoke with options target to match configure
6685 Consistently refer to gas, gld pathnames.
6686 Invert --enable-multilib documentation.
6687 Remove references to old compiler versions.
6689 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6691 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
6693 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6695 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
6697 (Specific, mips*-sgi-irix5): Note IDO download.
6698 Reworded MIPS C hints.
6699 Use GNU as instead of GAS.
6701 Removed SGI Freeware reference, IRIX 6 only.
6702 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
6703 Note N64 library requirement/workaround.
6705 Complete list of structure passing bug victims.
6707 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6709 * doc/install.texi: Remove CVS Id.
6711 2001-07-02 Andreas Jaeger <aj@suse.de>
6713 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
6714 (find_inherently_necessary): Remove unused variable.
6716 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
6718 * c-common.h (TDI_inlined): New ast dump phase.
6719 (dump_flag_name): New function.
6720 * c-dump.c (dump_files): Add inlined phase.
6721 (dump_flag_name): Define.
6722 * doc/invoke.texi (-fdump-ast-inlined): Document.
6724 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6726 * stor-layout.c (layout_decl): Revert change to handling of alignment
6729 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6731 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
6734 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
6736 * doc/tm.texi (FUNCTION_ARG): Document that the last call
6739 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
6741 * tlink.c (recompile_files): Remove COMPILER_PATH and
6742 LIBRARY_PATH from the environment.
6744 2001-07-01 Zack Weinberg <zackw@stanford.edu>
6746 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
6747 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
6749 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
6751 * c-parse.in (OBJC_STRING): Kill.
6752 (objc_string): Decompose to [objc_string] '@' STRING.
6753 (reswords): Take the leading '@' off all the Objective C keywords.
6754 (objc_rid_sans_at): Kill.
6755 (init_reswords): Don't initialize it.
6756 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
6757 (_yylex): Kill reconsider label. Look ahead one token after
6758 an '@'; if we get an identifier, check whether it's an
6759 Objective C @-keyword. If so, return the keyword. Otherwise,
6760 put back the token and return the '@' as a terminal.
6762 * cpplib.c (lex_macro_node): Remove unnecessary check for
6763 leading '@' on identifier. Clarify control flow and commentary.
6765 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6767 * cse.c (new_label_ref): Variable deleted.
6768 (insert): Remove set of new_label_ref.
6769 (check_for_label_ref): New function.
6770 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
6772 See ChangeLog.5 for earlier changes.