1 2005-11-14 Dale Johannesen <dalej@apple.com>
3 * expmed.c (store_bit_field): Add offset unconditionally for
5 (extract_bit_field): Don't force extzv or extv operand into
6 a register if field is too big.
8 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
10 * config/arm/arm.c (pic_labelno): New.
11 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
12 LABEL_REF. Pass only the labelno to PIC insns.
13 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
14 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
15 * arm.md (UNSPEC_PIC_LABEL): New constant.
16 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
17 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
18 Use the correct label prefix.
20 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
22 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
25 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
27 * loop-invariant.c: Include tm_p.h.
28 * Makefile.in: Updated.
30 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
32 * pa.c (store_reg): Revise generation of frame notes in large frames.
33 (set_reg_plus_d): Likewise.
35 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
37 PR tree-optimization/24709
38 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
41 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
43 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
44 and duplicate declaration of pthread_self.
46 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
47 Ian Lance Taylor <ian@airs.com>
50 * calls.c (expand_call): If TARGET is a MEM and some part of the
51 argument area has been saved, force TARGET to a register.
53 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
55 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
58 2005-11-13 Jason Merrill <jason@redhat.com>
61 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
62 lazily declared methods.
63 (force_decl_die): Stop if forcing out the context already make a
65 (force_type_die): Likewise.
67 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
70 * builtins.c (integer_valued_real_p): Add break in
71 REAL_CST having TREE_OVERFLOW set.
73 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
75 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
76 addressing modes during calculation of costs.
78 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
80 * function.c (assign_stack_local_1): Restrict sanity check
81 on frame size overflow to 32-bit and above platforms.
83 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
85 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
86 * config/cris/cris.c: Include reload.h.
87 (cris_initial_elimination_offset): New function.
88 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
91 2005-11-12 Richard Guenther <rguenther@suse.de>
93 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
95 2005-11-12 Jan Hubicka <jh@suse.cz>
97 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
98 to compare against 0 when possible.
100 2005-11-12 Jie Zhang <jie.zhang@analog.com>
102 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
103 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
104 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
105 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
108 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
110 * recog.c (constrain_operands) <case 'g'>: For a match, require
111 that a non-register matches general_operand when strict >= 0.
113 2005-11-11 Steven Bosscher <stevenb@suse.de>
115 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
118 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
120 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
121 (memory_address_same): New.
122 (dse_optimize_stmt): Call memory_address_same.
124 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
127 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
128 ZERO_EXTEND>: New cases.
130 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
132 * longlong.h (__clz_tab): Always provide.
134 2005-11-11 Steven Bosscher <stevenb@suse.de>
137 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
139 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
140 before check_maybe_invariant.
141 (move_invariant_reg): Use gen_move_insn instead of replacing
142 SET_DEST with the temporary for the invariant.
143 (move_loop_invariants): If checking is enabled, do internal
144 consistency checks after completing the pass.
146 2005-11-11 David Edelsohn <edelsohn@gnu.org>
149 * common.opt (Wvolatile-register-var): New.
150 * varasm.c (make_decl_rtl): Only emit warning when option
151 specified. Clarify warning message.
152 * doc/invoke.texi (Wvolatile-register-var): Document new option.
154 * doc/md.texi (copysign): Document standard named pattern.
156 2005-11-11 Jie Zhang <jie.zhang@analog.com>
158 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
159 bytes when align is 2.
160 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
161 by the first instruction of the loop.
163 2005-11-11 Jason Merrill <jason@redhat.com>
166 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
169 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
171 PR rtl-optimization/22509
172 * local-alloc.c (memref_used_between_p): Check whether a function call
173 could not reference the memref.
175 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
177 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
178 algorithm so as to choose the best, not the worst, alternative.
179 Reset accumulated register class before processing next alternative.
181 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
184 * calls.c (expand_call): Copy a return value to a plain register
187 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
190 * varasm.c (assemble_name): Recompute name only for transparent
193 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
195 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
197 2005-11-04 Jeff Law <law@redhat.com>
200 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
201 perform reassociation if the parent statement will not die as
202 a result of the optimization.
204 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
206 * tree-ssa-alias.c (compute_may_aliases): Remove call to
207 delete_old_heap_vars.
208 * tree-dfa.c (referenced_var_remove): Remove function.
209 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
210 (delete_tree_ssa): Remove call to delete_old_heapvars.
211 Add call to delete_alias_heapvars.
212 * tree-flow.h (referenced_var_remove): Remove prototype
213 (init_alias_heapvars): New prototype.
214 (delete_alias_heapvars): Ditto.
215 * Makefile.in (tree-ssa-structalias.o): Add
216 gt-tree-ssa-structalias.o
217 (GTFILES): Add tree-ssa-structalias.h and
218 tree-ssa-structalias.c.
219 (s-gtype): Add gt-tree-ssa-structalias.h.
220 * tree-ssa-structalias.c (heapvars): Remove.
221 (oldheapvars): Remove.
222 (heapvar_for_stmt): New variable.
223 (heapvar_lookup): New function.
224 (heapvar_insert): Ditto.
225 (get_constraint_for): See if we have an old heapvar
227 (init_alias_heapvars): New function.
228 (delete_alias_heapvars): Ditto.
229 Add include of gt-tree-ssa-structalias.h.
231 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
234 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
236 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
238 * tree.c (int_fits_type_p): Only look at the base type
239 if it has the same precision as the original type.
241 2005-11-10 Jakub Jelinek <jakub@redhat.com>
244 * varasm.c (assemble_alias): Use %q+D in the error
245 message instead of %J and %qD.
247 2005-11-10 Richard Guenther <rguenther@suse.de>
249 * gcse.c (free_ldst_entry): Only free hashtable if
252 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
254 * function.c (assign_stack_local_1): Issue an error message if
255 the frame size overflows in the signed target arithmetics.
257 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
259 * tree.c (build_qualified_type): Chain the new type to the original
260 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
261 a POINTER_TYPE or a REFERENCE_TYPE respectively.
262 (build_pointer_type_for_mode): Only return unqualified types.
263 (build_reference_type_for_mode): Likewise.
265 2005-11-09 Jakub Jelinek <jakub@redhat.com>
267 * Makefile.in (gnucompare): Do comparison of all files using one of
268 the chosen methods and only afterwards decide if just warning should
269 be issued or comparison failure raised.
271 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
273 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
274 (noce_try_abs): Negate if the comparison is reversed.
275 Look only one instruction backwards for a REG_EQUAL note.
277 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
280 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
281 gthr-tpf.h: Define __gthrw. For all identifiers that might
282 be weak, introduce weakrefs or non-weak aliases with __gthrw,
283 and prefix all uses with __ghtrw.
285 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
288 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
289 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
290 * c-common.c (handle_weakref_attribute): New.
291 (c_common_attribute_table): Add weakref.
292 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
294 * configure, config.in: Rebuilt.
295 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
296 * doc/extend.texi: Document weakref attribute.
297 * varasm.c (ultimate_transparent_alias_target): New
298 (assemble_name): Use it.
299 (weak_finish_1): Split out of...
300 (weak_finish): ... and deal with weakrefs in...
301 (weakref_targets): ... new list.
302 (globalize_decl): Clean up weakref_targets.
303 (do_assemble_alias): Handle weakrefs.
304 (finish_aliases_1): Do not reject weakrefs to external symbols.
305 (assemble_alias): Handle weakrefs.
307 2005-11-09 Richard Guenther <rguenther@suse.de>
309 PR tree-optimization/24716
310 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
311 t_bool to track results from follow_ssa_edge.
313 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
315 * final.c (force_source_line): New global variable.
316 (final_scan_insn): Set it to true instead of clearing last_filename.
317 (notice_source_line): Return true if force_source_line is true,
318 unless source info is absent.
320 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
323 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
324 a linkage name for a variable if it a register variable.
325 * c-decl.c (grokdeclarator): Global register variables
326 should be set as PUBLIC.
328 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
331 * config/s390/s390.c (struct s390_frame_layout): New fields
332 first_save_gpr_slot and last_save_gpr_slot.
333 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
334 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
335 first_save_gpr and last_save_gpr with the _slot variants.
336 (s390_register_info): Calculate first_save_gpr_slot and
337 last_save_gpr_slot using regs_ever_live.
339 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
342 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
343 for a function containing a landing pad.
345 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
348 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
351 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
353 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
354 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
356 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
359 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
361 (call,load,store): New insn types.
362 (mem_access, branch_access): Adjust reservation conditions.
363 (define_delay): Adjust condition.
364 (decrement_and_branch_until_zero): Allow for ms2. Set branch
366 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
367 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
369 (call_internal, call_value_internal, return_internal,
370 return_interrupt_internal, eh_return_internal, indirect_jump,
371 tablejump): Set call insn type.
372 (blockage, ei, di): Use appropriate unspec const.
373 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
374 (ms1_get_attr_type): Adjust to give load & store types.
375 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
376 backwards past a barrier.
377 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
379 (struct branch_info, struct label_info): New.
381 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
382 (ms1_machine_reorg): New.
383 (TARGET_MACHINE_DEPENDENT_REORG): Override.
384 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
385 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
386 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
389 2005-11-09 Per Bothner <per@bothner.com>
390 Uros Bizjak <uros@kss-loka.si>
393 * toplev.c (process_options): Initialize debug_hooks early
394 in case lang_hooks.post_options ends up calling a debug_hook.
396 2005-11-08 Jakub Jelinek <jakub@redhat.com>
398 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
399 DBX_REGISTER_NUMBER being contiguous.
401 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
402 Diego Novillo <dnovillo@redhat.com>
405 * tree-vrp.c (register_edge_assert_for): Do not register
406 always-false predicates.
408 2005-11-08 Devang Patel <dpatel@apple.com>
410 PR tree-optimization/23115
411 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
414 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
416 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
419 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
421 Fix PR tree-optimization/23382
423 * tree-ssa-alias.c (compute_may_aliases): Call
424 delete_old_heap_vars.
425 * tree-dfa.c (referenced_var_remove): New function.
426 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
427 * tree-flow.h (referenced_var_remove): Add prototype.
428 (delete_old_heap_vars): Ditto.
429 * tree-ssa-structalias.c (heapvars): New variable.
430 (oldheapvars): Ditto.
431 (get_constraint_for): Put heap vars on heapvars list.
432 (delete_old_heap_vars): New function.
434 2005-11-08 Jason Merrill <jason@redhat.com>
436 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
438 2005-11-08 Uros Bizjak <uros@kss-loka.si>
441 * reg-stack.c (reg_to_stack): Update register liveness also
442 for flag_sched2_use_traces.
444 2005-11-08 Alan Modra <amodra@bigpond.net.au>
447 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
448 override prior explicit -mno-powerpc-gfxopt.
450 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
452 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
453 if the bitsize is zero.
454 * doc/md.texi (Standard Pattern Names): Document it.
456 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
457 (TARGET_PASS_BY_REFERENCE): Likewise.
459 2005-11-07 Ian Lance Taylor <ian@airs.com>
461 PR rtl-optimization/24683
462 * config/i386/i386.c (legitimize_pic_address): If constant operand
463 to PLUS is too large, put it in a register.
465 2005-11-07 Jie Zhang <jie.zhang@analog.com>
467 * configure.ac: Enable checking assembler dwarf2 support for bfin
469 * configure: Regenerate.
471 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
475 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
476 gen_easy_vector_constant_add_self): Delete.
477 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
479 (output_vec_const_move): Use gen_easy_altivec_constant.
480 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
481 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
482 (easy_vector_constant_add_self): Rewritten.
483 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
484 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
485 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
486 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
487 Macroize and adjust for the other changes.
489 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
493 * c-typeck.c (build_c_cast): Try using a shared constant, and see
494 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
496 2005-11-07 Jakub Jelinek <jakub@redhat.com>
498 PR rtl-optimization/23567
499 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
500 (noce_process_if_block): Don't do any optimizations except
501 if (cond) x = x; if !set_b and write into orig_x may trap
502 or fault. Remove the MEM_READONLY_P check.
504 2005-11-06 Diego Novillo <dnovillo@redhat.com>
507 * tree-vrp.c (fix_equivalence_set): New.
508 (extract_range_from_assert): Call it.
510 2005-11-05 Ian Lance Taylor <ian@airs.com>
513 * combine.c (apply_distributive_law): Don't distribute across a
516 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
518 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
519 config/ms1/ms1.h, config/rs6000/predicates.md,
520 config/s390/s390.c, params.def, postreload-gcse.c,
521 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
522 tree-vrp.c, tree.c: Fix comment typos.
523 * doc/invoke.texi: Fix typos.
525 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
527 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
528 for testing whether the data_dependence_relation contains distance
529 vectors. Iterate over all distance vectors of the ddr.
530 * lambda.h: Define a vec of lambda_vector pointers.
531 * tree-data-ref.c (dump_data_dependence_relation,
532 dump_data_dependence_direction): Iterate over all distance and
533 direction vectors of the ddr.
534 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
536 (build_classic_dist_vector, build_classic_dir_vector): Push a set
537 of distance/direction vectors instead of a single one.
538 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
539 lambda_vectors with a vec of lambda_vectors.
540 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
541 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
542 DDR_NUM_DIST_VECTS): New.
543 * tree-loop-linear.c (gather_interchange_stats): Test for the
544 existence of distance vectors only after having checked that there
545 is a dependence. Iterate over all distance vectors of the ddr.
546 (linear_transform_loops): Use dump_data_dependence_relation.
547 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
548 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
549 distance vectors of the ddr.
551 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
553 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
554 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
555 IS_INTHANDLER; all callers changed.
556 (n_regs_saved_by_prologue): Take interrupt handler attributes into
558 (do_link, do_unlink): New argument ALL; all callers changed.
559 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
560 If function isn't leaf, save and restore all registers.
561 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
564 2005-11-05 Jan Hubicka <jh@suse.cz>
566 PR rtl-optimization/23490
567 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
568 max-flow-memory-location): Document.
569 * flow.c: Include params.h
570 (MAX_MEM_SET_LIST_LEN): Kill.
571 (add_to_mem_set_list): Use new param.
572 * cse.c (cse_basic_block): Replace 1000 by new param.
573 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
574 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
575 * predict.c (predict_loops): Use new param.
576 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
578 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
579 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
580 Do not hold memory returned by cgraph_node_name across other call.
582 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
585 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
588 2005-11-04 Jeff Law <law@redhat.com>
591 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
592 * tree-ssa-dom.c: Include params.h.
593 (thread_across_edge): If there are too many statements in the
594 target block, then do not thread through it.
595 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
596 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
598 2005-11-03 Diego Novillo <dnovillo@redhat.com>
601 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
602 TODO_update_ssa instead of TODO_update_ssa_no_phi.
604 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
607 * tree-scalar-evolution.c (instantiate_parameters_1,
608 instantiate_parameters, resolve_mixers): Compute the size of an
609 expression to be instantiated and give up the instantiation if the
610 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
612 2005-11-04 Richard Guenther <rguenther@suse.de>
614 * tree-flow.h (ref_contains_indirect_ref): Rename to
615 array_ref_contains_indirect_ref.
616 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
617 (array_ref_contains_indirect_ref): Make comment match the code
619 (ref_contains_array_ref): Likewise.
620 * tree-ssa-structalias.c (find_func_aliases): Remove call to
621 ref_contains_indirect_ref.
622 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
623 Rename calls to ref_contains_indirect_ref.
625 2005-11-04 Paul Brook <paul@codesourcery.com>
627 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
628 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
629 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
630 * config/arm/arm.md: Use match_operand in peephole input templates
631 and match_dup in peephole output templates.
633 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
635 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
638 2005-11-04 Mark Mitchell <mark@codesourcery.com>
639 Daniel Jacobowitz <dan@codesourcery.com>
641 * longlong.h (add_ssaaaa): Clobber condition code register
643 (sub_ddmmss): Likewise.
644 (umul_ppmm): Likewise.
646 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
647 Paul Brook <paul@codesourcery.com>
648 Phil Blundell <pb@reciva.com>
650 * configure.ac: Add test for ARM TLS support.
651 * configure: Regenerated.
652 * config/arm/arm-protos.h (legitimize_tls_address)
653 (arm_tls_referenced_p, tls_mentioned_p)
654 (arm_output_addr_const_extra): New prototypes.
655 (thumb_legitimize_pic_address): Delete.
656 * config/arm/arm.c: Include "gt-arm.h".
657 (enum tls_reloc): New.
658 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
659 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
660 (arm_call_tls_get_addr, legitimize_tls_address)
661 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
662 (arm_init_tls_builtins, arm_emit_tls_decoration)
663 (arm_output_addr_const_extra): New functions.
664 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
665 (TARGET_HAVE_TLS): Define.
666 (target_thread_pointer): New.
667 (arm_override_options): Handle -mtp=.
668 (legitimize_pic_address): Ignore UNSPECs.
669 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
671 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
672 (tls_get_addr_libfunc): New variable.
673 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
674 (arm_init_builtins): Call arm_init_tls_builtins.
675 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
676 (arm_encode_section_info): Call default_encode_section_info.
677 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
678 (enum arm_tp_type): New.
679 (target_thread_pointer): Add declaration.
680 (LEGITIMATE_CONSTANT_P): Handle TLS.
681 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
682 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
683 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
684 * config/arm/arm.md: Add UNSPEC_TLS.
686 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
688 (tls_load_dot_plus_eight): New insn and a peephole to create it.
689 (load_tp_hard, load_tp_soft): New insns.
690 * arm.opt: Add -mtp=.
691 * doc/invoke.texi (ARM Options): Document -mtp.
693 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
695 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
696 * config/arm/libunwind.S: Include "lib1funcs.asm".
697 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
698 (LIB2ADDEH): Add libunwind.S.
699 (LIB2ADDEHDEP): Add lib1funcs.asm.
700 * mklibgcc.in: Handle asm files in libgcc_eh.a.
702 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
705 * gcc/c.opt: Add a -lang-fortran option.
706 * gcc/c-opts.c: Add a lang_fortran flag.
707 (c_common_init_options): Handling the -lang-fortran option.
708 (c_common_handle_option): Add a case for Fortran options in
709 preprocessing. Remove cases for -ffixed-form and
710 -ffixed-line-length. Add a case for -lang-fortran.
712 2005-11-03 David Edelsohn <edelsohn@gnu.org>
714 * config/rs6000/rs6000.c: Include params.h
715 (optimization_options): Set max-grow-copy-bb-insns default to 16.
716 (bdesc_2arg): Delete vpkuhss and vpkuwss.
717 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
718 (UNSPEC_VPKUWSS): Delete.
719 (altivec_vpkuhss): Delete.
720 (altivec_vpkuwss): Delete.
721 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
723 (neg_eq0<mode>): Remove final condition.
724 (neg_eq<mode>): Remove condition and split-condition.
726 2005-11-04 Alan Modra <amodra@bigpond.net.au>
728 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
729 Use associated print macros.
731 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
734 * diagnostic.c (diagnostic_set_info_translated): New function.
735 (diagnostic_set_info): Use it. Add comment.
736 * diagnostic.h (diagnostic_set_info_translated): Declare.
738 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
740 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
741 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
742 reference only if 'public' is true.
743 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
744 emit the .hidden directive only if the indirect reference is public.
745 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
746 Pass it to dw2_force_const_mem.
747 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
748 * dwarf2out.c (output_cfi): Adjust calls to above function.
749 (output_call_frame_info): Likewise.
750 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
751 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
753 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
755 PR tree-optimization/24483
756 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
757 field to elts if possible.
759 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
762 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
765 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
767 Fix PR tree-optimization/24351
769 * tree-ssa-structalias.c (struct variable_info): Add
771 (get_varinfo_fc): New function to follow collapsing.
772 (new_var_info): Set collapsed_to to NULL.
773 (dump_constraint): Follow collapsing.
774 (build_constraint_graph): Handle collapsing.
775 (do_simple_structure_copy): Return false if something bad
777 (collapse_rest_of_var): New function.
778 (do_structure_copy): Collapse if do_simple_structure_copy returns
781 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
784 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
785 expressions to a statement list instead of gimplifying them.
787 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
789 PR rtl-optimization/23585
790 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
791 that can't trap plus a constant integer, if the mode has zero size.
793 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
796 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
798 ("*insv<mode>_reg_extimm"): Likewise.
800 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
803 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
804 c_common_type_for_mode returns an unnamed type.
806 2005-11-02 Richard Henderson <rth@redhat.com>
810 * dwarf2out.c (dwarf2out_reg_save_reg): New.
811 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
812 * function.c (assign_parms): Use calls.internal_arg_pointer.
813 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
815 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
816 (TARGET_CALLS): Add it.
817 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
818 * targhooks.c (default_internal_arg_pointer): New.
819 * targhooks.h (default_internal_arg_pointer): Declare.
820 * tree.h (dwarf2out_reg_save_reg): Declare.
821 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
822 * config/i386/i386.c (dbx_register_map): Add return column.
823 (dbx64_register_map, svr4_dbx_register_map): Likewise.
824 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
825 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
826 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
827 (ix86_save_reg): Save force_align_arg_pointer.
828 (ix86_emit_save_regs): Make regno unsigned.
829 (ix86_emit_save_regs_using_mov): Likewise.
830 (ix86_expand_prologue): Handle force_align_arg_pointer.
831 (ix86_expand_epilogue): Likewise.
832 * config/i386/i386.h: (dbx_register_map): Update.
833 (dbx64_register_map, svr4_dbx_register_map): Update.
834 (struct machine_function): Add force_align_arg_pointer.
835 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
836 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
837 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
839 2005-11-02 Jan Hubicka <jh@suse.cz>
842 * i386.md: Add peep2 for simplyfing array accesses.
844 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
847 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
848 * config/s390/s390.c (s390_decompose_shift_count): New function.
849 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
850 (print_shift_count_operand): Use s390_decompose_shift_count.
851 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
852 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
854 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
857 * loop.c (loop_givs_rescan): Use force_operand to expand
860 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
863 * fold-const.c (build_range_check): Use unsigned when signed
864 overflow is undefined also. If etype is subtype, make sure that
865 the subtraction is in the supertype.
867 2005-11-02 Richard Henderson <rth@redhat.com>
870 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
873 2005-11-01 Richard Henderson <rth@redhat.com>
876 * loop.c (scan_loop): Do not propagate computations to a hard
877 register destination with SMALL_REGISTER_CLASSES.
879 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
881 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
882 costs for MULT inside PLUS or MINUS.
884 2005-11-01 Bob Wilson <bob.wilson@acm.org>
886 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
887 (TRAMPOLINE_SIZE): Round up to 60.
888 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
890 2005-10-31 James E. Wilson <wilson@specifix.com>
893 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
894 ifdef. Put ifdefs around call in gen_subprogram_die.
895 (compute_frame_pointer_to_cfa_displacement): Likewise.
896 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
899 PR rtl-optimization/17356
900 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
901 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
903 2005-10-31 Jan Hubicka <jh@suse.cz>
906 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
909 * i386.c (legitimize_pic_address): Deal with large immediates.
912 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
913 from symbol names while computing checkup.
916 * predict.c (predict_loops): Do not estimate more than
917 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
918 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
920 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
922 PR tree-optimization/19097
923 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
925 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
927 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
929 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
932 * tree-inline.c (setup_one_parameter): If the init_stmt
933 is NULL, don't insert the statement.
935 2005-10-30 Jan Hubicka <jh@suse.cz>
937 PR tree-optimization/24172
938 * tree-inline.c (copy_body_r): Unshare the substituted value first.
940 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
942 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
943 constants for hosts with long != 32 bits.
945 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
948 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
950 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
952 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
953 (TARGET_MS1_16_002): New.
954 (TARGET_MS1_16_003): New.
956 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
957 ("*decrement_and_branch_until_zero_no_clobber"): New.
958 Add corresponding splitter for decrement_and_branch_until_zero
960 Key all decrement_and_branch_until_zero patterns off of
963 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
966 * tree-complex.c (extract_component): Treat RESULT_DECL
967 like the rest of the decls.
969 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
971 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
972 indirect call to _mcount if the function needs a static chain.
974 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
975 Caroline Tice <ctice@apple.com>
977 PR rtl-optimization/24460
978 * dwarf2out.c (have_switched_text_sections): New boolean variable.
979 (dwarf2out_switch_text_section): Set it to true instead of
980 incrementing separate_line_info_table_in_use.
981 (output_loc_list): Additionally test have_switched_text_sections.
982 (output_ranges): Likewise.
983 (dwarf2out_finish): Likewise.
984 * varasm.c (assemble_start_function): Do not call
985 insert_section_boundary_note.
986 (assemble_end_function): If flag_reorder_blocks_and_partition,
987 switch to the function's section before emitting the .size directive.
988 * bb-reorder.c (insert_section_boundary_note): Staticify.
989 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
990 * output.h (insert_section_boundary_note): Delete.
992 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
995 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
996 instead of pointer equality when comparing types.
998 2005-10-24 James E. Wilson <wilson@specifix.com>
1000 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
1001 add_dependence_list_and_free calls.
1003 2005-10-24 Steven Bosscher <stevenb@suse.de>
1005 * contrib.texi: Add the names of the LLNL folks who donated
1006 Cray pointer support for gfortran.
1008 2005-10-24 Steven Bosscher <stevenb@suse.de>
1010 PR tree-optimization/24225
1011 * profile.c (branch_prob): Look from end to start through a
1012 basic block when looking for a locus.
1014 2005-10-24 Richard Henderson <rth@redhat.com>
1016 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
1018 (hppa_expand_prologue): Likewise.
1020 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1022 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
1023 (NO_DEFERRED_PROFILE_COUNTERS): Define.
1024 * pa.h (NO_PROFILE_COUNTERS): Define.
1025 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
1026 (funcdef_nos): New vector to hold label numbers of deferred profile
1028 (output_deferred_profile_counters): New function.
1029 (hppa_profile_hook): Push label number onto funcdef_nos.
1030 (pa_hpux_file_end): Call output_deferred_profile_counters if
1031 NO_DEFERRED_PROFILE_COUNTERS is false.
1033 * pa-protos.h (get_deferred_plabel): New prototype.
1034 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
1036 (output_call): Adjust calls.
1038 2005-10-24 Alan Modra <amodra@bigpond.net.au>
1040 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
1041 peculiarity of GOT/TOC section usage.
1043 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
1046 * c-common.c (constant_string_class_name): Add documentation.
1048 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
1051 * recog.c (peephole2_optimize): Increment peep2_current_count
1052 only when the slot is empty.
1054 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1057 * except.c (output_function_exception_table): Call
1058 assemble_external_libcall if we need a personality function.
1060 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1062 PR rtl-optimization/24460
1063 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
1064 set the basic block for barriers.
1066 2005-10-21 Janis Johnson <janis187@us.ibm.com>
1068 * var-tracking.c (vt_initialize): Initialize post.
1070 2005-10-21 Devang Patel <dpatel@apple.com>
1073 * c-common.c (vector_types_convertible_p): Check vector element type.
1075 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
1077 * config/sh/sh.c (prepare_move_operands): Handle the address
1078 constant which is a tls symbolic address plus a constant.
1080 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
1083 * gcc.c (main): Use the correct counter for erroring out
1084 about mulitple files.
1086 2005-10-21 Alan Modra <amodra@bigpond.net.au>
1089 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
1090 use r2 for 64-bit tls .got access.
1092 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
1094 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
1097 2005-10-20 Steven Bosscher <stevenb@suse.de>
1099 PR tree-optimization/24307
1100 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
1102 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
1105 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
1107 * varasm.c (find_decl_and_mark_needed): After cgraph global info
1108 is ready, stop marking functions, but still mark variables.
1110 2005-10-20 Richard Guenther <rguenther@suse.de>
1113 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
1116 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1118 PR rtl-optimization/23585
1119 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
1120 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
1121 (may_trap_p_1): New predicate extracted from...
1122 (may_trap_p): ... here. Invoke may_trap_p_1.
1123 (may_trap_or_fault_p): New predicate.
1124 * rtl.h (may_trap_or_fault_p): Declare it.
1125 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
1126 instead of may_trap_p.
1127 (steal_delay_list_from_fallthrough): Likewise.
1128 (fill_simple_delay_slots): Likewise.
1129 (fill_slots_from_thread): Likewise.
1130 * function.c (pad_to_arg_alignment): Rework comment about
1131 SPARC_STACK_BOUNDARY_HACK.
1132 * config/sparc/sparc.h: Likewise.
1134 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
1136 * config/s390/s390.c (s390_expand_insv): New.
1137 * config/s390/s390-protos.h (s390_expand_insv): Declare.
1138 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
1139 ("icm_hi"): Remove mode attribute.
1140 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
1142 ("*extracthi", "*extractqi"): Remove.
1143 (extv<mode>", "*extzv<mode>"): New.
1144 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
1145 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
1147 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1149 * cfgexpand.c (discover_nonconstant_array_refs_r,
1150 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
1151 (tree_expand_cfg): Call discover_nonconstant_array_refs.
1152 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
1153 discover_nonconstant_array_refs.
1155 2005-10-19 Steven Bosscher <stevenb@suse.de>
1158 * c-decl.c (pop_scope): Don't warn about an unused variable
1159 if it is marked with TREE_NO_WARNING.
1160 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
1161 somenow mismatch and olddecl is to be replaced.
1163 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
1166 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
1167 whether registers live on the edge can be saved/restored.
1169 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
1171 * config/sh/sh.c (fixup_mova): Skip notes.
1173 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1175 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
1176 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
1177 (s390_can_eliminate): Handle BASE_REGNUM elimination.
1178 (s390_initial_elimination_offset): Likewise.
1179 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
1180 register on TARGET_ZARCH targets.
1181 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
1182 (INITIAL_FRAME_POINTER_OFFSET): Remove.
1183 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
1184 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
1186 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1188 * config/s390/s390.md: Comment describing output modifiers updated.
1189 * config/s390/s390.c (print_operand): Likewise.
1191 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1193 * config/s390/s390.c (override_options): Added check for -mstack-size
1195 * doc/invoke.texi: Mention that limit in the documenation.
1197 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
1200 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
1202 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
1204 Fix PR tree-optimization/24231
1206 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
1207 (compute_avail): Ditto.
1209 2005-10-18 Richard Henderson <rth@redhat.com>
1212 * config/i386/i386.c (legitimate_constant_p): Check
1213 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
1215 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
1216 (legitimate_pic_address_disp_p): Reorg CONST checking to make
1217 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
1219 (print_operand_address): Likewise.
1220 * config/i386/predicates.md (x86_64_immediate_operand): Test
1221 SYMBOL_REF_TLS_MODEL properly inside CONST.
1222 (x86_64_zext_immediate_operand): Likewise.
1223 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
1224 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
1225 * config/i386/i386-protos.h: Remove predicates.md entries.
1227 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
1229 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1230 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
1232 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
1233 Ian Lance Taylor <ian@airs.com>
1236 * fold-const.c (fold_widened_comparison): Do not allow range based
1237 constant folding when right operand cannot be unwidened.
1239 2005-10-17 Richard Henderson <rth@redhat.com>
1241 * builtins.c (expand_builtin_synchronize): Build a new-style asm
1242 with a memory clobber.
1244 2005-10-17 James E Wilson <wilson@specifix.com>
1246 PR rtl-optimization/17356
1247 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
1248 checking for EDGE_EH.
1250 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1252 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
1253 the slot on an even boundary for any type with 16-byte alignment.
1255 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
1258 * md.texi (Modifiers) <%>: Clarify that % doesn't work
1259 after register allocation.
1261 2005-10-17 DJ Delorie <dj@redhat.com>
1263 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
1266 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
1269 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
1272 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
1274 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
1275 to 2 if it's already non-zero.
1276 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
1277 is set and warn about it if flag_schedule_insns is 1.
1279 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
1281 * config/crx/crx.md: Compare-and-branch instructions need to
1284 2005-10-17 Uros Bizjak <uros@kss-loka.si>
1287 * config/i386/i386.md (*pushdi2_rex64 splitter)
1288 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
1289 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
1290 flow2 pass only when (optimize > 0 && flag_peephole2).
1292 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
1295 * gcc.c (have_c): New static variable.
1297 (process_command): Remove declation of have_c.
1298 Set have_o to 1 when handling -o.
1299 (main): Add a fatel error if there are multiple
1300 files specified and -o and -c/-S is passed witout
1301 -combine or multiple languages.
1303 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
1305 Fix PR tree-optimization/22444
1306 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
1307 Assert that we don't hit something with subvars.
1308 (setup_pointers_and_addressables): Don't add things with subvars,
1309 because we'll already process the subvars for aliasing purposes.
1311 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
1314 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
1315 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
1316 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
1317 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
1318 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
1319 swapped, alternatives for the R constraint.
1322 * builtins.c (get_builtin_sync_mode): Make unlimited
1323 mode_for_size request.
1325 2005-10-15 Richard Henderson <rth@redhat.com>
1327 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
1328 (gimplify_expr): ... here.
1329 (gimplify_compound_lval): Use it in initial scan loop. Allow
1330 fb_lvalue in base expression.
1332 2005-10-15 Richard Henderson <rth@redhat.com>
1335 * builtins.c (expand_builtin_trap): Export.
1336 * expr.h (expand_builtin_trap): Declare.
1337 * expr.c (expand_assignment): Emit a trap for integral offsets
1338 from registers that weren't reduced to bitpos.
1340 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
1341 (mark_array_ref_addressable): Remove.
1342 * tree-flow.h (mark_array_ref_addressable): Remove.
1343 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
1345 2005-10-15 James E Wilson <wilson@specifix.com>
1348 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
1349 (add_dependence_list_and_free): Likewise.
1350 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
1353 2005-10-15 Diego Novillo <dnovillo@redhat.com>
1357 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
1358 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
1360 (vrp_visit_phi_node): Only prevent infinite iterations when
1361 the previous result and the new result are both VR_RANGEs.
1363 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
1365 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
1368 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1371 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
1374 2005-10-14 Per Bothner <per@bothner.com>
1376 PR preprocessor/21250
1377 * c-ppoutput.c (print_line): Print internal line 0 as 1.
1379 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
1382 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
1383 overflow flags. Refactor some conditionals.
1385 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
1388 * tree-dfa.c (add_referenced_var): Only look at decls which
1389 have TREE_CONSTANT or TREE_READONLY set instead of if
1390 !TREE_PUBLIC or !TREE_CONSTANT.
1392 2005-10-13 James E Wilson <wilson@specifix.com>
1394 * doc/invoke.texi: For -x, add f95-cpp-input.
1395 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
1397 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
1399 PR tree-optimization/24262
1400 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
1401 in loop all the time.
1403 2005-10-12 Richard Henderson <rth@redhat.com>
1406 * tree.h (DECL_TRANSPARENT_UNION): Remove.
1407 * function.c (assign_parm_find_data_types): Don't support it.
1408 * print-tree.c (print_node): Likewise.
1409 * c-common.c (handle_transparent_union_attribute): Likewise.
1410 Use build_duplicate_type.
1411 * tree-inline.c (remap_type_1): Split out of remap_type;
1412 properly remap aggregate fields.
1413 (build_duplicate_type): New.
1414 * doc/extend.texi (Variable Attributes): Remove documentation
1415 for transparent_union.
1417 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1420 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
1421 (gen_stack_pointer_dec): Likewise.
1423 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
1427 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
1429 (struct cxx): Add adjust_class_at_definition target hook.
1430 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
1431 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
1432 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
1433 hook_void_tree. Add to TARGET_CXX.
1434 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
1436 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
1437 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
1438 instead of attribute. Check for dllexport override. Warn if
1439 inconsistent dll linkage. Don't lose old dllimport if decl has
1440 had address referenced. Tweak lookup of dllimport atribute.
1441 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
1442 for target specific rules. Don't add dllimport attribute if
1443 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
1444 dllimport attribute.
1445 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
1446 * varasm.c (initializer_constant_valid_p): Replace
1447 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
1451 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
1452 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
1453 (i[34567]86-*-mingw32*): Likewise.
1455 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
1456 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
1458 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
1459 C++-specific code. Change return value to bool.
1460 (i386_pe_dllimport_p): Likewise.
1461 (associated_type): Simplify and make language-independent
1462 (i386_pe_encode_section_info): Replace override of ambiguous
1463 dllimport symbol refs with a gcc_assert.
1464 (i386_pe_valid_dllimport_attribute_p): Define.
1465 * config/i386/winnt-cxx.c: New file. Define C++ versions of
1466 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1467 i386_pe_adjust_class_at_definition.
1468 * config/i386/winnt-stubs.c: New file. Define stub versions of
1469 lang-specific functions.
1470 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
1471 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1472 i386_pe_adjust_class_at_definition.
1473 (i386_pe_valid_dllimport_attribute_p): Declare.
1474 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
1475 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
1476 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
1479 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
1480 dllimport attribute with test of DECL_DLLIMPORT_P.
1482 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
1484 * combine.c (make_extraction): Correct offset computation.
1486 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
1488 * config/cris/t-linux (LIMITS_H_TEST): Define.
1490 2005-10-12 Richard Henderson <rth@redhat.com>
1493 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
1495 2005-10-12 Richard Guenther <rguenther@suse.de>
1497 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
1499 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
1502 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
1503 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
1506 2005-10-12 Richard Guenther <rguenther@suse.de>
1509 * varasm.c (output_constant): Correct typo from previous
1512 2005-10-11 Ian Lance Taylor <ian@airs.com>
1514 PR rtl-optimization/13931
1515 * combine.c: Revert patch of 2003-05-14, and:
1516 (try_combine): Only set elim_i1 and elim_i2 if the destination is
1517 completely killed in the appropriate insn.
1518 (distribute_notes): Don't skip multiple hard register test for
1519 elim_i1 and elim_i2.
1521 2005-10-11 Richard Henderson <rth@redhat.com>
1524 * c-typeck.c (convert_for_assignment): Use build_constructor_single
1525 to initialize a transparent union instead of a nop_expr.
1527 2005-10-11 Richard Henderson <rth@redhat.com>
1529 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
1530 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
1531 (tree_ssa_dce_loop): Call scev_reset.
1534 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
1535 * tree-ssa-dce.c: Include cfgloop.h.
1536 (tree_ssa_dce_loop, pass_dce_loop): New.
1537 * tree-pass.h (pass_dce_loop): Declare it.
1538 * passes.c (init_optimization_passes): Use it.
1540 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1543 * convert.c (convert_to_real): Revert 2005-10-05 patch.
1544 Only apply the optimization for rounding builtins if the inner
1545 cast is also an extension.
1547 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
1550 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
1551 mark_new_vars_to_rename instead of update_stmt.
1553 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
1555 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
1557 2005-10-11 Jakub Jelinek <jakub@redhat.com>
1559 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
1560 for setting MMX register to 0 rather than mmx.
1562 2005-10-10 Steve Ellcey <sje@cup.hp.com>
1565 * configure.ac: Move gas check from mips specific case to common case.
1566 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
1567 * configure: Regenerate
1568 * doc/install.texi: Update.
1570 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1573 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
1575 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
1577 * gcc.c (do_spec_1): Accept numeric characters in file name
1580 2005-10-10 Nick Clifton <nickc@redhat.com>
1582 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
1583 describing the deleted arm_gen_rotated_half_load function.
1585 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
1587 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
1590 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
1592 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
1594 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
1595 (EXTRA_MULTILIB_PARTS): Define.
1596 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1597 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1598 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
1599 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1600 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1601 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
1603 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
1605 PR tree-optimization/24226
1606 * tree-cfg.c (remove_bb): Clean up unreachable loops.
1607 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
1608 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
1611 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1613 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
1615 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
1618 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
1619 Rewrite for no need for the early clobber.
1621 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1623 Merge from csl-arm-branch:
1624 2005-09-07 Paul Brook <paul@codesourcery.com>
1625 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
1628 2005-04-30 Paul Brook <paul@codesourcery.com>
1629 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
1630 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
1632 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
1633 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
1634 (arm_override_options): Use TARGET_AAPCS_BASED.
1635 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
1636 (PTRDIFF_TYPE): Use int for AAPCS.
1637 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
1638 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
1639 (DEFAULT_SHORT_ENUMS): Delete.
1640 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
1642 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
1643 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
1644 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
1645 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
1647 2004-12-03 Mark Mitchell <mark@codesourcery.com>
1648 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
1650 2004-11-22 Mark Mitchell <mark@codesourcery.com>
1651 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
1653 2004-11-19 Mark Mitchell <mark@codesourcery.com>
1654 * config.gcc (arm*-*-linux-gnueabi): Add it.
1655 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
1657 (TARGET_OS_CPP_BUILTINS): Likeiwse.
1658 * config/arm/linux-eabi.h: New file.
1659 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
1660 (LINUX_TARET_LINK_SPEC): Likewise.
1661 (LINK_SPEC): Use it.
1662 * config/arm/t-linux-eabi: New file.
1664 2005-10-08 Steven Bosscher <stevenb@suse.de>
1667 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
1669 (PARAM_SMS_DFA_HISTORY): Likewise.
1671 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1674 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
1675 (load_register_parameters): Call it.
1676 (check_sibcall_argument_overlap_1): Likewise.
1677 (store_one_arg): Likewise.
1679 2005-10-07 James E. Wilson <wilson@specifix.com>
1681 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
1682 DImode not VECINT24 for operand 2.
1685 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
1689 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
1690 fr_spill): Use destination_operand for operand 0.
1692 2005-10-07 DJ Delorie <dj@redhat.com>
1694 * varasm.c (output_constant): Limit error to expanding
1697 2005-10-07 Richard Guenther <rguenther@suse.de>
1700 * fold-const.c (fold_binary): Fix operand types during folding
1701 of X op (A, Y). Evaluation order of the side-effects of
1702 X and A are frontend-defined, so ensure we honour that even for
1703 tcc_comparison class operands; eased by removing duplicate code.
1705 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1707 * stor-layout.c (layout_type): Do not allow alignment of array
1708 elements to be greater than their size.
1710 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1712 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
1714 (hppa*-*-linux*): Ditto.
1715 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
1716 * config/host-hpux.c: New.
1717 * config/x-hpux: New.
1718 * config/pa/x-hpux: Remove.
1719 * config/pa/x-linux: Remove.
1720 * config/pa/pa-host.c: Remove.
1722 2005-10-07 Jeff Law <law@redhat.com>
1724 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
1725 determine whether or not to try and thread outgoing edges.
1727 2005-10-07 David Edelsohn <edelsohn@gnu.org>
1729 * config/rs6000/rs6000.md (eqsi_power): New.
1730 (neg_eq0si): Add TARGET_POWER to final condition.
1733 2005-10-06 Richard Henderson <rth@redhat.com>
1735 * config/rs6000/rs6000.c: Revert last change.
1737 2005-10-06 Richard Henderson <rth@redhat.com>
1739 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
1740 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
1742 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
1746 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
1747 out return_label and naked_return_label.
1749 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1751 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
1754 2005-10-06 Richard Henderson <rth@redhat.com>
1757 * tree-inline.c (declare_return_variable): Handle modify_dest not
1760 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1762 Fix PR tree-optimization/22488
1763 * tree-ssa-structalias.c (check_for_overlaps): New function.
1764 (create_variable_info_for): Use it.
1766 2005-10-06 Richard Henderson <rth@redhat.com>
1769 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
1770 (dwarf2out_start_source_file): Print it.
1772 2005-10-06 Geoffrey Keating <geoffk@apple.com>
1774 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
1776 2005-10-06 Richard Henderson <rth@redhat.com>
1779 * mode-switching.c (optimize_mode_switching): Clear transp bit
1780 for block with incomming abnormal edges.
1782 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
1783 (fpscr_set_from_mem): Use them.
1784 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
1785 (fpscr postinc splitters): Rewrite as peephole2+split.
1787 2005-10-06 David Edelsohn <edelsohn@gnu.org>
1789 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
1790 (eq<mode>_compare): Same.
1792 2005-10-06 Richard Guenther <rguenther@suse.de>
1794 PR tree-optimization/24238
1795 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
1797 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
1799 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
1800 here. Use AC_PATH_PROG for environment variables instead of
1802 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
1804 * configure: Regenerated.
1806 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
1809 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
1810 then force it into a register.
1811 (call_value): Likewise.
1813 2005-10-06 Richard Henderson <rth@redhat.com>
1816 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
1817 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
1818 under pass_vectorize.
1820 2005-10-05 Devang Patel <dpatel@apple.com>
1823 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
1824 handling constants. Check NAMESPACE_DECL context for constants.
1826 2005-10-05 Eric Christopher <echristo@apple.com>
1828 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
1830 2005-10-05 Richard Henderson <rth@redhat.com>
1833 * tree-cfg.c (mark_array_ref_addressable_1): New.
1834 (mark_array_ref_addressable): New.
1835 * tree-flow.h (mark_array_ref_addressable): Declare.
1836 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
1838 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
1842 * reload.c (subst_reloads): When adding a REG_LABEL to a
1843 jump instruction, also update JUMP_LABEL.
1845 2005-10-05 David Edelsohn <edelsohn@gnu.org>
1847 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
1848 * bb-reorder.c (copy_bb_p): Use it.
1849 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
1851 2005-10-05 Richard Henderson <rth@redhat.com>
1854 * toplev.c (process_options): Warn about unsupported combinations
1855 of unwind tables and omit-frame-pointer.
1856 * config/i386/i386.c (override_options): Similarly. Enable
1857 accumulate-outgoing-args if not explicitly disabled.
1859 2005-10-05 Steve Ellcey <sje@cup.hp.com>
1861 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
1862 Handle big endian vs. small endian.
1863 (vec_initv2sf): Handle big endian vs. small endian.
1864 (*vec_extractv2sf_1): Ditto.
1866 2005-10-05 Dale Johannesen <dalej@apple.com>
1868 * convert.c (convert_to_real): Don't convert
1869 (float)floor(double d) to floorf((float)d).
1871 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
1873 * config/arm/arm.md (insv): Use gen_int_mode in more places.
1875 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
1877 PR tree-optimization/18587
1878 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
1879 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
1880 build_vuses): Change to VEC type.
1881 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
1882 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
1883 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
1884 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
1885 (get_name_decl): New. Return DECL_UID of base variable.
1886 (operand_build_cmp): New. qsort comparison routine.
1887 (operand_build_sort_virtual): New. Sort virtual build vector.
1888 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
1889 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
1890 (FINALIZE_BASE): Use get_name_decl.
1891 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
1892 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
1893 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
1894 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
1895 direct VEC_* manipulations.
1896 (build_ssa_operands): Call operand_build_sort_virtual.
1897 (copy_virtual_operand, create_ssa_artficial_load_stmt,
1898 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
1899 with direct VEC_* manipulations.
1900 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
1901 with direct VEC manipulations.
1903 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
1905 PR tree-optimization/21419
1906 PR tree-optimization/24146
1907 PR tree-optimization/24151
1909 * c-typeck.c (readonly_error): Handle USE being lv_asm.
1910 (build_asm_expr): Call it if outputs are read-only.
1911 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
1913 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
1914 Paolo Bonzini <bonzini@gnu.org>
1918 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
1919 enable the instructions and not just the built-ins.
1920 * doc/invoke.texi (x86 Options): Likewise.
1922 2005-10-04 Geoffrey Keating <geoffk@apple.com>
1924 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
1926 * doc/invoke.texi (Option Summary): Correct spelling
1927 of -mmacosx-version-min.
1929 2005-10-04 Devang Patel <dpatel@apple.com>
1931 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
1934 2005-10-04 Steve Ellcey <sje@cup.hp.com>
1936 * tree-vect-transform.c (vect_create_epilog_for_reduction):
1937 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
1939 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
1941 * config/s390/s390.md ("TDSI","DP"): New mode macros.
1942 ("TE","tg"): New mode attributes.
1943 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
1944 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
1945 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
1946 dword_mode and one for GPRmode.
1948 2005-10-04 Ian Lance Taylor <ian@airs.com>
1950 PR preprocessor/13726
1951 * c-ppoutput.c (cb_include): Add comments parameter, and print out
1952 any comments passed in.
1954 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1956 * tree.c (annotate_with_file_line): Fix typo.
1958 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1961 * builtins.c (fold_builtin_memcmp): When constructing the pointer
1962 type used to access data in the inlined length == 1 case, use
1963 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
1964 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
1966 2005-10-04 Uros Bizjak <uros@kss-loka.si>
1968 * config/i386/i386.h (TARGET_FISTTP): Enable also for
1969 TARGET_SSE3 and only for TARGET_80387.
1970 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
1971 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
1972 Do not depend on TARGET_80387.
1974 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1976 * tree.c (last_annotated_node): Change type to location_t*.
1977 (annotate_with_file_line): Reflect the change of
1978 last_annotated_node type.
1980 2005-10-04 Richard Guenther <rguenther@suse.de>
1983 * c-decl.c (grokdeclarator): Don't write to fields
1986 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1989 * c-decl.c (finish_decl): Use set_user_assembler_name even for
1991 * varasm.c (make_decl_rtl): If a register variable does not
1992 have a set user assmbler name, error out.
1993 Decode the asmspec is now name+1 bypassing '*'.
1995 2005-10-04 Steven Bosscher <stevenb@suse.de>
1997 PR tree-optimization/23049
1998 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
1999 of a COND_EXPR is folded before calling fold on the whole rhs of a
2000 conditional assignment.
2001 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
2002 document that a COND_EXPR may appear there.
2004 2005-10-03 Diego Novillo <dnovillo@redhat.com>
2007 * tree-vrp.c (extract_range_from_assert): If the new numeric
2008 range created out of the assertion contradicts the existing
2009 numeric range of the ASSERT_EXPR variable, make the new range
2012 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
2014 * config/sh/sh.c (sh_register_move_cost): Add case for moving
2015 from T_REGS to FP register class.
2017 2005-10-03 Richard Henderson <rth@redhat.com>
2020 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
2021 before creating a new one.
2023 2005-10-03 David Edelsohn <edelsohn@gnu.org>
2025 * config/rs6000/t-aix43 (LDFLAGS): New.
2026 * config/rs6000/t-aix52 (LDFLAGS): New.
2028 2005-10-03 Ian Lance Taylor <ian@airs.com>
2030 * gimplify.c (find_single_pointer_decl_1): New static function.
2031 (find_single_pointer_decl): New static function.
2032 (internal_get_tmp_var): For a formal variable, set restrict base
2033 information if appropriate.
2034 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
2036 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
2037 (DECL_GET_RESTRICT_BASE): Define.
2038 (SET_DECL_RESTRICT_BASE): Define.
2039 (decl_restrict_base_lookup): Declare.
2040 (decl_restrict_base_insert): Declare.
2041 (struct tree_decl_with_vis): Add based_on_restrict_p field.
2042 * tree.c (restrict_base_for_decl): New static variable.
2043 (init_ttree): Initialize restrict_base_for_decl.
2044 (copy_node_stat): Copy restrict base information.
2045 (decl_restrict_base_lookup): New function.
2046 (decl_restrict_base_insert): New function.
2047 (print_restrict_base_statistics): New static function.
2048 (dump_tree_statistics): Call print_restrict_base_statistics.
2050 2005-10-02 Diego Novillo <dnovillo@redhat.com>
2053 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
2054 case of anti-ranges.
2056 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
2059 * c-typeck.c (tagged_tu_seen): Rename to ...
2060 (tagged_tu_seen_cache): this and add val field.
2061 (comptypes): Move functional to comptypes_internal
2062 and free tagged_tu_seen.
2063 (comptypes_internal): New function and call comptypes_internal
2064 instead of comptypes. Speed up by sibcalling
2065 tagged_types_tu_compatible_p.
2066 (alloc_tagged_tu_seen): New function
2067 (free_all_tagged_tu_seen_up_to): New function.
2068 (tagged_types_tu_compatible_p): Return the val of the seen two
2070 Add that the two types are the same to tagged_tu_seen_base
2071 if they are and call comptypes_internal instead of comptypes.
2072 <case UNION_TYPE>: Speed up common type where the fields are
2074 (function_types_compatible_p): Call comptypes_internal instead of
2076 (type_lists_compatible_p): Likewise.
2077 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
2079 2005-10-02 Matthias Klose <doko@debian.org>
2081 * doc/invoke.texi: Fix typo and speling error.
2083 2005-10-01 Richard Henderson <rth@redhat.com>
2085 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
2087 2005-10-01 Mark Mitchell <mark@codesourcery.com>
2089 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
2090 using --start-group and --end-group.
2092 2005-10-01 Diego Novillo <dnovillo@redhat.com>
2094 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
2095 FIXME note regarding quirky semantics.
2097 2005-10-01 Diego Novillo <dnovillo@redhat.com>
2100 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
2101 non-null range as a last resort.
2103 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
2104 Diego Novillo <dnovillo@redhat.com>
2107 * tree-vrp.c (extract_range_from_assert): For !=
2108 assertions, only build an anti-range if LIMIT is a
2109 single-valued range.
2111 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
2113 * arm.md (movqi): On thumb when optimizing, handle loading from
2114 memory by describing this as taking a subreg of a zero-extended load
2115 into an SImode register.
2118 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
2120 * reload1.c (merge_assigned_reloads): Do not change any
2121 RELOAD_FOR_OUTPUT_ADDRESS reloads.
2123 2005-09-30 Geoffrey Keating <geoffk@apple.com>
2125 * Makefile.in (LIPO_FOR_TARGET): Define.
2126 (STRIP_FOR_TARGET): Define.
2128 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
2129 before creating new ones. Do symlinks before creating the actual
2132 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
2133 to work out which multilibs are actually being built.
2135 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
2137 * tree-vect-transform.c, config/ms1/ms1.md,
2138 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
2139 Follow spelling conventions.
2140 * doc/invoke.texi, doc/md.texi: Fix typos.
2142 2005-09-30 Andrew Macleod <amacleod@redat.com>
2144 PR tree-optimization/21430
2145 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
2146 use operands, and set stmt pointer if need be.
2147 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
2148 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
2151 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2154 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
2156 2005-09-29 Mark Mitchell <mark@codesourcery.com>
2158 * optabs.c (expand_binop): Initialize first_pass_p.
2160 2005-09-29 Jakub Jelinek <jakub@redhat.com>
2163 * c-decl.c (c_write_global_declarations_1): If any
2164 wrapup_global_declaration_2 call returned true, restart the loop.
2166 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
2168 Fix PR tree-optimization/24117
2169 * tree-ssa-structalias.c (find_func_aliases): Strip nops
2170 before considering whether to use anyoffset.
2172 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
2176 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2178 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2180 (swap_commutative_operands_with_target): New.
2182 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
2185 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
2188 2005-09-29 Steven Bosscher <stevenb@suse.de>
2190 PR tree-optimization/23911
2191 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
2192 and IMAGPART_EXPR too.
2194 2005-09-28 Mark Mitchell <mark@codesourcery.com>
2197 * expmed.c (expand_shift): Move logic to reverse rotation
2198 direction when rotating by constants ...
2199 * optabs.c (expand_binop): ... here.
2200 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
2201 (ix86_rotrdi3): New pattern.
2202 (rotldi3): Handle 32-bit mode.
2203 (ix86_rotldi3): New pattern.
2205 2005-09-29 Alan Modra <amodra@bigpond.net.au>
2208 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
2209 check for numbers that need no bit twiddle.
2211 2005-09-28 Geoffrey Keating <geoffk@apple.com>
2213 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
2214 multilib to be built.
2216 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
2217 (stage1-start): Delete old libgcc and libunwind before moving
2218 anything into the stage directory.
2219 (stage2-start): Likewise.
2220 (stage3-start): Likewise.
2221 (stage4-start): Likewise.
2222 (stageprofile-start): Likewise.
2223 (stagefeedback-start): Likewise.
2224 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
2225 header in tm_file and CPU-specific t-darwin in tmake_file.
2226 (i[34567]86-*-darwin*): Don't change tm_file.
2227 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
2228 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
2229 shared library stub for target OS version.
2230 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
2231 (SHLIB_LINK): Don't make SHLIB_SOLINK.
2232 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
2233 (libgcc_s.%.dylib): New.
2235 (install-darwin-libgcc-stubs): New.
2236 (INSTALL_LIBGCC): New append.
2237 * config/i386/darwin-libgcc.10.4.ver: New.
2238 * config/i386/darwin-libgcc.10.5.ver: New.
2239 * config/i386/t-darwin: New.
2240 * config/rs6000/darwin-libgcc.10.4.ver: New.
2241 * config/rs6000/darwin-libgcc.10.5.ver: New.
2242 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
2243 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
2245 2005-09-28 Paul Brook <paul@codesourcery.com>
2247 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
2250 2005-09-28 Richard Guenther <rguenther@suse.de>
2252 PR tree-optimization/23853
2253 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
2254 host_integerp to verify misalignment value.
2256 2005-09-28 Richard Henderson <rth@redhat.com>
2258 * builtins.c (get_builtin_sync_mode): New.
2259 (expand_builtin_sync_operation): Pass in mode argument.
2260 (expand_builtin_compare_and_swap): Likewise.
2261 (expand_builtin_lock_test_and_set): Likewise.
2262 (expand_builtin_lock_release): Likewise.
2263 (expand_builtin): Update to match.
2265 2005-09-28 Nick Clifton <nickc@redhat.com>
2267 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
2268 formatting. Add check to PLUS case to ensure that the offset is
2269 within an acceptable range.
2271 * config/v850/v850.md (casesi): Disable the generation of the
2272 switch pattern as it is not being handled properly at the moment.
2274 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
2275 for when the high words are identical.
2277 2005-09-27 Richard Henderson <rth@redhat.com>
2279 * pretty-print.c (pp_base_format): Fix typo for %>.
2281 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
2282 Devang Patel <dpatel@apple.com>
2284 PR tree-optimization/23625
2285 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
2286 LABEL_EXPR, assertion check.
2288 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
2290 * optabs.c (no_conflict_move_test): Check if a result of a
2291 to-be-moved insn would be clobbered by an originally
2294 2005-09-27 Jeff Law <law@redhat.com>
2296 * passes.c (init_optimization_passes): Replace copy propagation
2297 passes immediately after DOM with phi-only copy propagation
2298 pases. Add phi-only copy propagation pass after first DOM pass.
2299 * tree-pass.h (pass_phi_only_copy_prop): Declare.
2300 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
2301 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
2302 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
2303 to init_copy_prop. Callers updated.
2304 (do_phi_only_copy_prop): New function.
2305 (pass_phi_only_copy_prop): New pass descriptor.
2307 2005-09-27 Nick Clifton <nickc@redhat.com>
2309 * libgcc2.c (__popcount_tab): Remove redundant prototype.
2311 2005-09-26 Jason Merrill <jason@redhat.com>
2314 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
2316 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
2318 2005-09-26 James E Wilson <wilson@specifix.com>
2320 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
2321 copyright. Add gcc copyright plus libgcc exception.
2322 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
2324 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
2326 2005-09-26 Jeff Law <law@redhat.com>
2328 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
2329 about when to iterate.
2331 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
2334 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
2335 for __complex__ double in -mcpu=G5 mode.
2337 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
2339 PR tree-optimization/23942
2340 * Makefile.in (SCEV_H): Depends on PARAMS_H.
2341 * tree-scalar-evolution.c: Include params.h.
2343 (follow_ssa_edge, follow_ssa_edge_in_rhs,
2344 follow_ssa_edge_in_condition_phi_branch,
2345 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
2346 Change return type to t_bool. Use a parameter to limit the size of
2347 trees that are walked before stopping
2348 (analyze_evolution_in_loop): Initialize the limit to 0.
2349 (follow_ssa_edge): Give up by returning t_dont_know if the limit
2350 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2352 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2355 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
2356 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
2358 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
2360 * combine.c (make_extraction): Check for valid use of subreg.
2362 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2365 * config/i386/i386.md ("*fistdi2_1"): New pattern.
2366 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
2367 ("fist<mode>2_with_temp"): Use only register operands.
2369 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
2371 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
2372 CALL_INSN_FUNCTION_USAGE.
2374 2005-09-26 Richard Guenther <rguenther@suse.de>
2377 * gcse.c: Include hashtab.h, define ldst entry hashtable.
2378 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
2379 (ldst_entry): Use the hashtable instead of list-walking.
2380 (find_rtx_in_ldst): Likewise.
2381 (free_ldst_entry): Free the hashtable.
2382 (compute_ld_motion_mems): Create the hashtable.
2383 (trim_ld_motion_mems): Remove entry from hashtable if
2384 removing it from list.
2385 (compute_store_table): Likewise^2.
2386 (store_motion): Free hashtable in case we did not see
2389 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
2391 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2392 and arg1 if we are passing them to fold_build2.
2394 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
2397 * config/i386/i386.c (ix86_function_regparm): Fix the test for
2400 2005-09-25 Richard Henderson <rth@redhat.com>
2402 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
2403 SYMBOL_REF_TLS_MODEL to be correct.
2405 2005-09-24 Richard Henderson <rth@redhat.com>
2407 * ipa-type-escape.c (discover_unique_type): Remove dead code at
2408 end of function. Reindent.
2410 2005-09-24 Ian Lance Taylor <ian@airs.com>
2412 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
2413 NEGATE_EXPR/BIT_NOT_EXPR case.
2415 2005-09-24 Richard Henderson <rth@redhat.com>
2417 * c-common.c (handle_mode_attribute): When not modifying in place,
2418 create subtypes for enumerations.
2419 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
2420 * gimplify.c (create_tmp_from_val): Likewise.
2422 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
2424 * config/i386/i386.md (*tls_global_dynamic_64,
2425 *tls_local_dynamic_base_64): Add missing mode to call.
2426 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
2428 2005-09-24 Jan Hubicka <jh@suse.cz>
2430 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
2431 (cgraph_clone_node): Likewise.
2432 * cgraph.h (cgraph_clone_edge): Update prototype.
2433 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
2434 duplicated prototypes; add updating argument.
2435 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
2436 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
2438 (cgraph_mark_inline_edge): Likewise.
2439 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
2440 (cgraph_flatten_node): Likewise.
2441 (cgraph_decide_recursive_inlining): Likewise.
2442 (cgraph_decide_inlining_of_small_function): Likewise.
2443 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2445 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2446 Pete Steinmetz <steinmtz@us.ibm.com>
2448 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
2449 (rldic.): Set type to "compare".
2451 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
2452 mfjmpr for MFCTR/MFLR.
2453 (movdf_hardfloat64): Same.
2454 (movdf_softfloat64): Same. Correct order of store and move types.
2455 (movti_string): Set type to store_ux/load_ux.
2456 (load_multiple): Set type to load_ux.
2457 (store_multiple): Set type to store_ux.
2458 (movmemsi): Set type to store_ux.
2459 (output_cbranch direct_return): Set type to jmpreg.
2460 (stmw): Set type to store_ux.
2461 (lmw): Set type to load_ux.
2462 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
2463 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
2464 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
2465 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
2466 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
2467 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
2468 (rios1-fpstore): Increase latency to 3.
2469 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
2470 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
2472 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2473 Andrew Pinski <pinskia@physics.uc.edu>
2475 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
2476 operand2 constraint to "b".
2477 (sync_<fetchop_name>di_internal): Same.
2478 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
2480 (sync_old_<fetchop_name>di_internal): Same.
2481 (sync_new_<fetchop_name>si_internal): Same.
2482 (sync_new_<fetchop_name>di_internal): Same.
2484 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
2487 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
2488 case, define as macros.
2490 PR rtl-optimization/23837
2491 * optabs.c (no_conflict_move_test): Don't set must_stay for a
2492 clobber / clobber match between dest and p->first.
2494 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
2495 (no_conflict_move_test): Update comments.
2497 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2499 * doc/install.texi: Update URL for Jacks.
2500 * doc/sourcebuild.texi: Likewise.
2502 2005-09-22 David Edelsohn <edelsohn@gnu.org>
2505 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
2506 registers when choosing register preferences.
2507 (movdf_hardfloat64): Same.
2509 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
2511 * expmed.c (expand_shift): Don't use the target of the rotate as
2512 target for the first expanded shift insn.
2513 * testsuite/gcc.dg/20050922-1.c: Testcase added.
2515 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
2517 PR tree-optimization/22438
2518 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
2519 preserved iv rhs rewriting specially.
2521 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
2523 * tree-data-ref.c (analyze_array_indexes): Only estimate when
2524 estimate_only is true.
2525 * tree-flow.h (ref_contains_indirect_ref): New prototype.
2526 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
2527 tree-ssa-structalias.c
2528 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
2529 ref_contains_indirect_ref.
2530 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
2532 2005-09-21 DJ Delorie <dj@redhat.com>
2534 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
2536 (mn10300_return_in_memory): Support variable size types also.
2537 (mn10300_pass_by_reference): Likewise.
2538 (mn10300_function_value): New.
2539 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
2540 (FUNCTION_OUTGOING_VALUE): Likewise.
2541 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
2542 * doc/invoke.texi: Document it.
2544 2005-09-21 Uros Bizjak <uros@kss-loka.si>
2547 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
2548 force integer op1 into register for XFmode compares.
2550 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2553 * expmed.c (alg_code): Add alg_impossible.
2554 (alg_hash_entry): Add cost.
2555 (synth_mult): Record alg_impossible in the hash table if
2556 multiplication by a given integer is impossble within the
2557 limit. Speed up using alg_impossible.
2559 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2561 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
2562 argument. Allow and set any offset if needs_anyoffset is passed
2564 (get_constraint_for): Add argument here too.
2566 (do_structure_copy): Pass NULL to get_constraint_for.
2567 (handle_ptr_arith): Ditto.
2568 (find_func_aliases): Ditto.
2570 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
2572 PR rtl-optimization/23898
2573 * output.h (get_attr_min_length): Declare.
2574 * final.c (get_attr_length_1): New function, broken out of:
2576 (get_attr_min_length): New function.
2577 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
2578 (duplicate_computed_gotos): Likewise.
2579 * genattr.c (insn_min_length): Generate declaration.
2580 * genattrtab.c (min_fn, min_attr_value): New functions.
2581 (make_length_attrs): Generate insn_min_length.
2583 2005-09-20 Steve Ellcey <sje@cup.hp.com>
2585 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
2587 2005-09-20 Richard Henderson <rth@redhat.com>
2589 PR tree-optimization/24059
2590 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
2593 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
2595 * c.opt (fextended-identifiers): New.
2596 * c-opts.c (c_common_handle_option): Handle
2597 -fextended-identifiers.
2598 * doc/cpp.texi: Update documentation of extended identifiers.
2599 * doc/cppopts.texi (-fextended-identifiers): Document.
2601 2005-09-20 Jakub Jelinek <jakub@redhat.com>
2603 PR tree-optimization/23929
2604 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
2607 PR tree-optimization/23818
2608 * tree-stdarg.c (execute_optimize_stdarg): Call
2609 calculate_dominance_info.
2611 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2613 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
2614 (analyze_siv_subscript_cst_affine): Add weak SIV test.
2615 (compute_overlap_steps_for_affine_1_2): Use
2616 get_number_of_iters_for_loop.
2617 (analyze_subscript_affine_affine): Check whether difference is
2619 Use get_number_of_iters_for_loop.
2620 Check whether overlap occurs outside of bounds.
2621 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
2623 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
2625 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
2626 base register if possible.
2628 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
2630 PR tree-optimization/18463
2631 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
2632 converting it directly is not possible.
2633 (chrec_convert_aggressive): New function.
2634 * tree-chrec.h (chrec_convert_aggressive): Declare.
2635 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
2636 Fold chrec conversions aggressively if asked to.
2637 (instantiate_parameters): Modified because of changes in
2638 instantiate_parameters_1.
2640 2005-09-19 Richard Henderson <rth@redhat.com>
2642 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
2643 (reduc_splus_v2df): New.
2645 2005-09-19 Richard Sandiford <richard@codesourcery.com>
2647 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
2648 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
2650 2005-09-19 Richard Henderson <rth@redhat.com>
2652 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
2655 2005-09-19 Richard Henderson <rth@redhat.com>
2657 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
2658 (ia64_expand_dot_prod_v8qi): New.
2659 * config/ia64/ia64-protos.h: Update.
2660 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
2661 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
2662 sdot_prodv8qi, sdot_prodv4hi): New.
2663 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
2665 2005-09-19 Richard Henderson <rth@redhat.com>
2668 * real.c (exact_real_truncate): Return false if the format cannot
2669 represent the number as a normal.
2671 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
2672 for a memory source.
2674 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
2676 * tree-ssa-operands.c (swap_tree_operands): Export.
2677 * tree.h (swap_tree_operands): Declare.
2678 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
2679 Call swap_tree_operands.
2681 2005-09-19 Richard Henderson <rth@redhat.com>
2683 * tree-flow.h (merge_alias_info): Declare.
2684 * tree-ssa-copy.c (merge_alias_info): Export.
2685 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
2686 (vect_create_data_ref_ptr): Use create_iv directly.
2687 (vectorizable_load): Use correct types for integer constants.
2688 (vect_generate_tmps_on_preheader): Likewise.
2689 (vect_gen_niters_for_prolog_loop): Likewise.
2691 2005-09-19 Steven Bosscher <stevenb@suse.de>
2693 PR rtl-optimization/23943
2694 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
2696 2005-09-18 Jan Hubicka <jh@suse.cz>
2698 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
2700 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
2702 * varasm.c (output_constant): Do not abort on conversions to union
2703 types between different sizes.
2705 2005-09-18 Richard Guenther <rguenther@suse.de>
2708 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
2711 2005-09-18 Paul Brook <paul@codesourcery.com>
2713 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
2715 2005-09-17 Richard Henderson <rth@redhat.com>
2717 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
2718 * tree-ssa-loop.c (pass_vect_dce): Remove.
2719 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
2722 2005-09-17 Richard Henderson <rth@redhat.com>
2724 * tree-pass.h (pass_vect_dce): Declare.
2725 * passes.c (init_optimization_passes): Add it.
2726 * tree-flow.h (tree_ssa_dce): Declare.
2727 * tree-ssa-dce.c (tree_ssa_dce): Export.
2728 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
2729 (gate_tree_vectorize): ... here.
2730 (pass_vect_dce): New.
2732 2005-09-17 Jan Hubicka <jh@suse.cz>
2734 * except.c (struct eh_status): Turn region_array into vec.
2735 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
2736 convert_from_eh_region_ranges, find_exception_handler_labels,
2737 current_function_has_exception_handlers, assign_filter_values,
2738 build_post_landing_pads, dw2_build_landing_pads,
2739 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
2740 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
2741 foreach_reachable_handler, can_throw_internal_1,
2742 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
2744 (duplicate_eh_region_1): Update region_array.
2745 (duplicate_eh_regions): Resize region_array and avoid recomputing.
2747 2005-09-17 David Edelsohn <edelsohn@gnu.org>
2750 * expmed.c (expand_mult): Substitute simple register for op0 when
2753 2005-09-17 Richard Henderson <rth@redhat.com>
2755 * expr.c (emit_move_via_integer): Add force argument, pass it on
2756 to emit_move_change_mode. Update callers.
2757 (emit_move_complex): Pass true to new force argument.
2758 * function.c (expand_function_end): Move expand_eh_return call
2759 earlier. Merge sub-word complex values into a pseudo before
2760 copying to the return hard register.
2762 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
2764 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
2765 between different sizes.
2767 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
2771 * passes.c (init_optimization_passes): Register dump files for
2774 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
2776 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
2777 * config/s390/s390.c (s390_overlap_p): New function.
2778 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
2779 peephole2, "*xc" peephole2): Added overlap check to the peephole2
2782 2005-09-16 Richard Guenther <rguenther@suse.de>
2784 * ipa-pure-const.c (static_execute): Free auxiliar information.
2785 * ipa-type-escape.c (discover_unique_type): Free temporary key.
2786 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
2788 2005-09-15 DJ Delorie <dj@redhat.com>
2790 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
2792 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2794 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2796 (swap_commutative_operands_with_target): New.
2798 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
2800 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
2803 (estimate_iters_using_array): New function.
2804 * tree-data-ref.h (estimate_iters_using_array): Prototype
2805 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2806 Use estimate_iters_using_array instead of analyze_array.
2808 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
2810 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
2813 2005-09-15 Michael Matz <matz@suse.de>
2815 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
2817 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
2819 PR tree-optimization/23835
2820 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
2821 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
2823 2005-09-14 Richard Henderson <rth@redhat.com>
2825 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
2826 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
2828 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
2830 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
2831 in the ARRAY_TYPE case.
2833 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
2835 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
2837 2005-09-14 Uros Bizjak <uros@kss-loka.si>
2840 * tree-vect-transform.c (vectorizable_operation): Return false for
2841 scalar shift operations and for vector shift operations with
2842 non-invariant shift arguments. Use scalar tree operand op1 as
2843 a shift operand when vector shift insn pattern uses scalar shift
2845 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
2847 2005-09-14 Olivier Hainque <hainque@adacore.com>
2849 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
2850 value if it has side-effects.
2852 2005-09-14 David Edelsohn <edelsohn@gnu.org>
2855 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
2857 2005-09-14 Alan Modra <amodra@bigpond.net.au>
2859 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
2860 passed as NAME as if it were label at start of function code.
2862 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
2864 * config/sh/sh.md (*movv4sf_i): Add general register cases to
2867 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2869 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
2870 as early clobber. Rewrite so the PIC register is not implicitly used.
2872 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2874 * tree.c (annotate_with_file_line): Compare line numbers before
2877 2005-09-13 Uros Bizjak <uros@kss-loka.si>
2880 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
2881 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
2883 2005-09-13 Ian Lance Taylor <ian@airs.com>
2885 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
2886 than a HOST_WIDEST_INT to gen_doloop_begin.
2888 2005-09-13 Diego Novillo <dnovillo@redhat.com>
2890 * tree-dfa.c (dump_variable): Guard against NULL annotations.
2892 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
2894 PR tree-optimize/23817
2895 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
2897 2005-09-13 Alan Modra <amodra@bigpond.net.au>
2900 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
2901 word before changing the stack pointer. Use gen_frame_mem for MEMs.
2902 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
2903 (restore_stack_nonlocal): Likewise.
2904 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
2906 2005-09-12 Ian Lance Taylor <ian@airs.com>
2909 * c.opt (ffriend-injection): New C++ option.
2910 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
2911 (C++ Dialect Options): Document -ffriend-injection.
2913 2005-09-12 Josh Conner <jconner@apple.com>
2916 * ipa-reference.c (static_execute): Don't mark variables in
2917 named sections TREE_READONLY.
2919 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2921 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
2924 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2926 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
2927 V_MUST_DEF instead of just the first_use_p.
2928 Don't mark the virtual variables for renaming on the statement which
2930 (pass_dse): Remove TODO_update_ssa.
2932 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
2935 * stor-layout.c (compute_record_mode): For records with a single
2936 field, actually check the field's mode size against the type size.
2938 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
2939 registers for TARGET_SHMEDIA.
2940 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
2941 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
2942 of GENERAL_REGS and FP_REGS.
2944 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
2946 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
2948 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2950 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
2951 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
2952 are omitted. Exclude stack_tie insn too.
2954 2005-09-11 David Edelsohn <edelsohn@gnu.org>
2956 PR rtl-optimization/23098
2957 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
2959 * config/rs6000/rs6000.md (movdf splitter): Use
2960 const_double_operand predicate for TARGET_POWERPC64.
2961 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
2962 SYMBOL_REF method to ABI_V4.
2964 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
2965 replace_equiv_address.
2966 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
2967 rs6000_sr_alias_set and MEM_NOTRAP.
2968 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
2970 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
2972 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
2973 handle CALL_EXPR again.
2975 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
2977 * arm/predicates.md (alignable_memory_operand): Delete.
2979 2005-09-10 Richard Henderson <rth@redhat.com>
2982 * dbxout.c (dbxout_expand_expr): New.
2983 (dbxout_symbol): Use it.
2985 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
2987 * arm.c (arm_gen_rotated_half_load): Delete.
2988 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
2989 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
2990 (thumb_set_return_address): Likewise.
2991 (thumb_load_double_from_address): Use adjust_address.
2992 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
2993 (extendhsisi2_mem, movhi_bytes): Use change_address.
2994 (movhi): Use widen_memory_access.
2995 (reload_out_df): Use replace_equiv_address.
2996 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
2998 2005-09-09 Richard Henderson <rth@redhat.com>
3001 * dbxout.c: Include expr.h.
3002 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
3003 (dbxout_symbol): Handle DECL_VALUE_EXPR.
3004 * Makefile.in (dbxout.o): Add EXPR_H.
3006 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
3008 PR tree-optimization/23509
3009 * tree-cfg.c (replace_uses_by): Use replace_exp.
3010 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
3011 pointers have name_mem_tag or type_mem_tag set.
3013 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
3015 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
3016 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
3017 of wrongly accessing operands.
3019 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
3021 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
3022 * tree-chrec.c: Include tree-scalar-evolution.h.
3023 (chrec_convert): Instantiate the base and step before calling
3024 scev_probably_wraps_p that would fail on parametric evolutions.
3025 Collect all the fails into a single section failed_to_convert,
3026 print a diagnostic, and return chrec_dont_know instead of calling
3028 * tree-scalar-evolution.c (loop_closed_phi_def): New.
3029 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
3031 (scev_const_prop): Don't replace the definition of a loop closed ssa
3032 phi node by itself, or by another loop closed ssa phi node.
3033 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
3034 that base and step are defined.
3036 2005-09-09 Richard Guenther <rguenther@suse.de>
3039 * fold-const.c (fold_ternary): Check truth_value_p before
3040 calling invert_truthvalue.
3042 2005-09-09 Nick Clifton <nickc@redhat.com>
3044 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
3045 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
3046 dimension of these arrays.
3047 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
3049 * longlong.h: Only provide a prototype for the __clz_tab[] array
3050 if this header has not been included from libgcc2.h.
3051 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
3053 Provide prototypes for exported functions.
3054 Use the __clz_tab[] and __popcount_tab[] arrays provided by
3057 2005-09-08 Josh Conner <jconner@apple.com>
3061 * expr.c (expand_expr_addr_expr_1): Don't invoke
3062 expand_simple_binop for EXPAND_INITIALIZER.
3064 2005-09-08 Richard Henderson <rth@redhat.com>
3067 * toplev.c (wrapup_global_declaration_1): Split out ...
3068 (wrapup_global_declaration_2): ... from ...
3069 (wrapup_global_declarations): ... here. Return bool.
3070 (check_global_declaration_1): Split out ...
3071 (check_global_declarations): from here.
3072 (emit_debug_global_declarations): New.
3073 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
3074 check_global_declaration_1, emit_debug_global_declarations): Declare.
3075 * c-decl.c (c_write_global_declarations_1): Don't create a vector
3076 of decls. Call wrapup_global_declaration_1,
3077 wrapup_global_declaration_2, check_global_declaration_1 directly.
3078 (c_write_global_declarations_2): New.
3080 (c_write_global_declarations): Call c_write_global_declarations_2.
3081 * langhooks.c (write_global_declarations): Call
3082 emit_debug_global_declarations.
3084 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
3085 remove decls that have DECL_RTL_SET_P.
3086 * passes.c (rest_of_decl_compilation): Invoke
3087 cgraph_varpool_finalize_decl for all but functions.
3089 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
3091 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
3092 the result of a conversion if the new min and max cannot be compared.
3094 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
3096 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
3097 (override_options): Setting s390_sr_alias_set removed.
3098 (save_fpr, save_gprs): Set alias set to vararg or frame.
3099 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
3100 s390_sr_alias_set with get_frame_alias_set ().
3101 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
3102 get_varargs_alias_set ().
3104 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
3108 * c-parser.c (c_parser_objc_method_definition): If the next
3109 token is not "{", error out and don't start the function.
3111 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
3113 * tree-vrp.c (extract_range_from_expr): Move the check for non
3114 nullness after the check for gimple invariant.
3116 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3118 * tree.c (host_integerp, tree_low_cst): Correct function comment.
3120 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3123 * config/m32r.md (movmemsi_internal): Canonicalize order of
3124 operands in PLUS component of template.
3126 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
3128 * reload1.c (fixup_eh_region_note): Remove assertion.
3129 (fixup_abnormal_edges): Reverted removal of call to
3130 find_many_sub_basic_blocks made on 2005-08-31.
3132 2005-09-07 Richard Henderson <rth@redhat.com>
3134 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
3135 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
3136 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
3137 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
3138 rearrange for better packing.
3139 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
3140 (lookup_cfa_1): Remove inline marker.
3141 (cfa_equal_p): Split out of ...
3142 (def_cfa_1): ... here. Use INVALID_REGNUM.
3143 (build_cfa_loc): Handle !cfa->indirect.
3144 (frame_pointer_cfa_offset): New.
3145 (dbx_reg_number): Assert register elimination performed; do
3146 leaf register remapping.
3147 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
3148 (eliminate_reg_to_offset): New.
3149 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
3150 for verifiably local stack frame addresses; re-base to CFA.
3151 (mem_loc_descriptor): Remove can_use_fbreg argument.
3152 (concat_loc_descriptor, loc_descriptor): Likewise.
3153 (containing_function_has_frame_base): Remove.
3154 (rtl_for_decl_location): Don't do register elimination or
3155 leaf register remapping here.
3156 (secname_for_decl): Split out from ..
3157 (add_location_or_const_value_attribute): ... here.
3158 (convert_cfa_to_loc_list): New.
3159 (compute_frame_pointer_to_cfa_displacement): New.
3160 (gen_subprogram_die): Use them.
3161 * tree.h (frame_base_decl): Remove.
3162 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
3163 (prologue_stack_adjust): Remove.
3164 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
3165 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
3166 (set_frame_base_location): Remove.
3167 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
3168 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
3169 (vt_add_function_parameters): Don't eliminate_regs.
3170 (vt_initialize): Don't create frame_base_decl.
3172 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3174 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
3175 version of GNU binutils for 4.x and later.
3177 2005-09-06 Mark Mitchell <mark@codesourcery.com>
3179 * ggc-page.c (ggc_push_context): Remove.
3180 (ggc_pop_context): Likewise.
3181 * ggc.h (ggc_push_context): Remove.
3182 (ggc_pop_context): Likewise.
3184 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3187 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
3188 returning from an interrupt handler.
3190 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3193 * config/arc/arc.c (output_shift): Add check for loop count when
3196 2005-09-06 Steven Bosscher <stevenb@suse.de>
3198 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
3200 (abs_replacement): Likewise.
3201 (pass_phiopt): Remove TODO_update_ssa.
3203 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3206 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
3207 if "return with no value, in function returning non-void" warning
3209 * tree-cfg.c (execute_warn_function_return): Don't look at
3210 RETURN_EXPRs with TREE_NO_WARNING set.
3213 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
3214 for internal functions doesn't use registers used by global registers
3215 variables. Use fewer register parameters if there are global register
3218 2005-09-06 Olivier Hainque <hainque@adacore.com>
3219 Eric Botcazou <ebotcazou@adacore.com>
3222 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
3223 when we would be extracting outside its bit span (bitpos+bitsize
3224 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
3225 Ada unchecked conversions.
3227 2005-09-06 Steven Bosscher <stevenb@suse.de>
3229 * tree-ssa-pre.c (try_look_through_load): New function.
3230 (compute_avail): Use it to try to look through loads for some
3231 more useful expressions.
3233 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3235 * simplify-rtx.c (simplify_binary_operation_1): Correct the
3236 condition for detecting cases like (a&a) and (a^a).
3238 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
3240 * common.opt: Add option ftree-vect-loop-version.
3241 * params.def: Add --param vect-max-version-checks.
3242 * doc/invoke.texi: Document ftree-vect-loop-version and
3243 --param vect-max-version-checks.
3244 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
3245 may_misalign_stmts and defines for accessors.
3246 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
3247 LOOP_VINFO_MAY_MISALIGN_STMTS.
3248 (destroy_loop_vec_info): VEC_free for
3249 LOOP_VINFO_MAY_MISALIGN_STMTS.
3250 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3251 Update documentation.
3252 (vect_update_misalignment_for_peel): New.
3253 (vect_enhance_data_refs_alignment): Update to choose loop
3254 peeling or loop versioning if appropriate for the (potentially)
3255 unaligned data references in the loop.
3256 (vect_analyze_data_refs_alignment): Remove call to
3257 vect_enhance_data_refs_alignment so the checks can be done
3259 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
3260 and move up call to vect_analyze_data_refs_alignment.
3261 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
3262 (vect_transform_loop): Add call to loop_version.
3264 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3266 PR rtl-optimization/23098
3267 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
3268 * simplify-rtx.c (constant_pool_reference_p): New function.
3269 * rtl.h (constant_pool_reference_p): New prototype.
3270 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
3271 constant_pool_reference_p in condition and
3272 avoid_constant_pool_reference in preparation statements.
3274 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
3276 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
3277 STRICT_LOW_PART SETs.
3279 2005-09-06 Alan Modra <amodra@bigpond.net.au>
3282 * except.c (sjlj_emit_function_enter): Find the function begin
3283 note even when it's not in first basic block.
3285 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
3287 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
3288 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
3289 * aclocal.m4: Regenerate.
3291 2005-09-05 DJ Delorie <dj@redhat.com>
3293 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
3296 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
3298 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
3299 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
3300 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
3301 Follow spelling conventions.
3302 * doc/invoke.texi: Follow spelling conventions.
3304 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3306 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
3307 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
3308 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
3310 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3313 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
3314 (output_stack_adjust): Use gen_tmp_stack_mem.
3315 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
3316 (sh_set_return_address, sh_allocate_initial_value): Likewise.
3317 (sh_get_pr_initial_val): Likewise.
3318 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
3319 (sh_initialize_trampoline): Likewise. Also use adjust_address.
3320 * sh.md (divsi_inv_m0): Use gen_const_mem.
3321 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
3322 (movdf_i4+1): Use gen_tmp_stack_mem.
3323 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
3324 (fpu_switch+2): Likewise.
3325 (movv4sf_i, movv16sf_i): Use adjust_address.
3326 (symGOT_load): Set MEM_NOTRAP_P bit.
3328 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3331 * pa.c (emit_move_sequence): Fix typo in last change.
3333 2005-09-03 Jakub Jelinek <jakub@redhat.com>
3335 PR rtl-optimization/23454
3336 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
3339 2005-09-03 Richard Henderson <rth@redhat.com>
3340 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3343 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
3346 2005-09-02 Nicolas Pitre <nico@cam.org>
3348 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
3349 to bit_count to 32 bits.
3351 2005-08-31 Mark Mitchell <mark@codesourcery.com>
3354 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
3355 generating synthetic loads from volatile lvalues.
3357 005-09-02 Nick Clifton <nickc@redhat.com>
3359 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
3360 __ctzhi2, __clzhi2): New functions.
3362 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
3365 * tree-nested.c (struct var_map_elt): Mark with GTY.
3366 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
3368 (lookup_field_for_decl): Allocate new element in GC memory.
3369 (lookup_tramp_for_decl): Likewise.
3370 (convert_nl_goto_reference): Likewise
3371 (create_nesting_tree): Allocate info in GC memory. Likewise for
3373 (free_nesting_tree): Free with ggc_free instead of free.
3374 (root): New static variable.
3375 (lower_nested_functions): Remove root as local variable. And zero out
3376 root at the end of the function.
3378 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
3380 PR rtl-optimization/20365
3381 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
3382 to short. New member ix.
3383 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
3384 (simplify_plus_minus): Initialize ix members before calling qsort.
3386 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
3388 PR tree-optimization/23626
3389 * tree-cfg.c (replace_uses_by): Clean up eh info.
3391 2005-09-01 DJ Delorie <dj@redhat.com>
3393 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
3396 2005-09-01 David Edelsohn <edelsohn@gnu.org>
3398 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
3399 (rs6000_split_multireg_move): Use replace_equiv_address instead of
3402 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
3404 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
3405 do not issue warning for a variable definition following
3408 2005-09-01 Richard Henderson <rth@redhat.com>
3411 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
3412 conversion to CONST_VECTOR.
3414 2005-09-01 Richard Henderson <rth@redhat.com>
3417 * reload1.c (reload_as_needed): Check !CALL_P before calling
3418 fixup_eh_region_note.
3419 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
3421 2005-09-01 DJ Delorie <dj@redhat.com>
3423 * varasm.c (output_constant): Let the target resolve
3424 conversions of addresses to non-default pointer sizes.
3426 2005-09-01 Nicolas Pitre <nico@cam.org>
3428 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
3429 to alow matching ARM pre-indexed addressing mode.
3430 (arm_override_options): Remove now irrelevant comment.
3432 2005-09-01 Phil Edwards <phil@codesourcery.com>
3434 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
3435 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
3436 * config/i386/vxworks.h: Likewise.
3437 * config/i386/t-vxworksae: New file, for VxWorks AE.
3438 * config/i386/vxworksae.h: Likewise.
3440 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
3442 PR tree-optimization/23410
3443 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
3444 sequence is not wrapping during the first step.
3446 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3449 * dwarf2out.c (base_type_die): Compare char_type_node with
3450 TYPE_MAIN_VARIANT (type), not type.
3452 2005-09-01 Richard Guenther <rguenther@suse.de>
3454 PR tree-optimization/15366
3455 * common.opt: Add -finline-functions-called-once.
3456 Put -fearly-inlining in alphabetically ordered place.
3457 * doc/invoke.texi: Document new option.
3458 * ipa-inline.c (cgraph_decide_inlining): Honour
3459 flag_inline_functions_called_once.
3461 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3463 PR rtl-optimization/23478
3464 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
3465 (alloc_qty): Initialize it.
3466 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
3467 (combine_regs): Combine also n_throwing_calls_crossed fields.
3468 (find_free_reg): Don't attempt to caller-save pseudos crossing
3469 calls that might throw.
3470 * global.c (struct allocno): Add throwing_calls_crossed field.
3471 (global_alloc): Revert 2005-08-22 change. Initialize
3472 throwing_calls_crossed.
3473 (find_reg): Don't attempt to caller-save pseudos crossing calls that
3476 2005-09-01 Alan Modra <amodra@bigpond.net.au>
3479 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
3480 (mask64_operand): Reinstate code prior to 2005-06-11 change.
3481 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
3482 (and64_2_operand): Tweak to use predicate.
3483 (and_operand): Adjust for mask_operand changes.
3484 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
3485 (print_operand): Likewise.
3486 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
3487 (mask64_1or2_operand): Delete.
3488 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
3489 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
3490 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
3491 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
3492 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
3493 (rotldi3_internal4): Likewise.
3494 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
3495 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
3496 (ashldi3_internal7): Likewise.
3497 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
3498 (ashldi3_internal, ashldi3_internal9 split): Likewise.
3499 (anddi3 split): Don't match mask64_operand.
3500 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
3501 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
3502 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
3503 't' splitter predicate.
3504 (movdi_internal64 + 2): Revert 2005-06-11 change.
3506 2005-08-31 DJ Delorie <dj@redhat.com>
3508 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
3509 (m32c_asm_integer): Add support for 32 bit pointers.
3511 2005-08-31 Richard Henderson <rth@redhat.com>
3513 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
3514 component-like references for setting MEM_NOTRAP_P.
3516 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
3517 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
3519 2005-08-31 Richard Henderson <rth@redhat.com>
3521 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
3522 into a pseudo before applying gen_lowpart.
3524 2005-08-31 Geoffrey Keating <geoffk@apple.com>
3526 * doc/install.texi (Specific): Update cctools version required
3527 for full functionality.
3528 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
3529 linkers as -macosx_version_min.
3531 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
3534 * sh.c (print_operand, %R and %S): Add handling of floating point
3535 registers, memory, constants and invalid operands.
3537 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
3539 * ipa-pure-const.c: Change dump name.
3541 2005-08-31 Uros Bizjak <uros@kss-loka.si>
3544 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
3545 to "reg_or_0_operand".
3546 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
3548 2005-08-31 Dale Johannesen <dalej@apple.com>
3550 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
3551 loops that count down.
3553 2005-08-31 Richard Henderson <rth@redhat.com>
3556 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
3557 (fixup_eh_region_note): New.
3558 (reload_as_needed): Call it.
3559 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
3560 don't call find_many_sub_basic_blocks; call verify_flow_info.
3561 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
3562 (keep_stack_depressed): Likewise.
3563 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
3565 2005-08-31 Richard Henderson <rth@redhat.com>
3567 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
3570 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
3572 * expr.c (expand_expr_real_1): Compare size of address
3573 mode to target's address mode size in deciding expansion of
3574 the constant address.
3576 2005-08-31 Richard Guenther <rguenther@suse.de>
3579 * expr.c (all_zeros_p): New function.
3580 (expand_expr_real_1): Handle the case of an all-zero
3581 non-addressable constructor separately.
3583 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
3585 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
3586 arguments, adjust all callers.
3587 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
3589 2005-08-30 Richard Henderson <rth@redhat.com>
3592 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
3593 whenever the mode sizes match.
3595 2005-08-31 Alan Modra <amodra@bigpond.net.au>
3597 * calls.c (load_register_parameters): Fix comment typo.
3598 * expr.c (emit_push_insn): Comment formatting.
3600 2005-08-30 Ian Lance Taylor <ian@airs.com>
3602 * config/i386/x-cygwin (host-cygwin): Change dependency from
3603 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
3605 2005-08-29 Geoffrey Keating <geoffk@apple.com>
3607 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
3610 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3613 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
3614 call to ggc_collect.
3616 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
3619 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
3620 beginning. Remove $(INCLUDES) from all the rules, if following
3621 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
3623 2005-08-29 Jakub Jelinek <jakub@redhat.com>
3626 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
3627 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
3628 not constant, but maxlen is, don't set len to maxlen, rather
3629 set maxlen to len if len is a constant.
3631 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
3633 PR tree-optimization/23475
3634 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
3637 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
3639 Fix PR middle-end/22455
3641 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
3642 Checksum only the parts of the tree that exist for the tree code.
3644 2005-08-28 Dale Johannesen <dalej@apple.com>
3646 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
3648 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
3650 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
3652 2005-08-28 Richard Henderson <rth@redhat.com>
3654 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
3655 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
3658 2005-08-28 Jakub Jelinek <jakub@redhat.com>
3661 * builtins.c (get_memory_rtx): Don't strip nops
3662 in between COMPONENT_REFs.
3664 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
3667 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
3669 (gimplify_modify_expr): Check for zero sized types and gimplify the
3670 rhs and lhs as statements.
3672 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
3675 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
3676 state for return address column of signal frames.
3678 2005-08-27 David Edelsohn <edelsohn@gnu.org>
3681 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
3682 bytes >= 2 not bytes == 2.
3683 (expand_block_move): Same.
3685 2005-08-27 Richard Guenther <rguenther@suse.de>
3688 * config/i386/sse.md (sse2_movsd): Add missing closing
3691 2005-08-27 Paul Brook <paul@codesourcery.com>
3693 * genrecog.c (enum decision_type): Add DT_num_insns.
3694 (struct decision_test): Add u.num_insns.
3695 (add_to_sequence): Add DT_num_insns test.
3696 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
3697 (write_cond, debug_decision_2): Ditto.
3698 (change_state): Assume peep2_next_insn never fails.
3699 Remove "afterward" argument.
3700 (write afterward, write_tree): Update to match.
3701 * recog.c (peep2_current_count): New variable.
3702 (peep2_next_insn): Check it.
3703 (peephole2_optimize): Set peep2_current_count.
3704 * recog.h (peep2_current_count): Declare.
3706 2005-08-26 Josh Conner <jconner@apple.com>
3709 * ipa-pure-const.c (check_tree): Check for volatile-ness
3710 when considering a dereference.
3712 2005-08-27 Jakub Jelinek <jakub@redhat.com>
3714 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
3716 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3718 PR rtl-optimization/23561
3719 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
3720 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
3721 at most LEN bytes long memory fits into the field.
3722 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
3723 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
3724 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
3726 2005-08-26 Richard Henderson <rth@redhat.com>
3729 * loop.c (biased_biv_may_wrap_p): New.
3730 (maybe_eliminate_biv_1): Use it to suppress non-equality
3731 comparison transformations. Delete disabled code.
3733 2005-08-26 Ian Lance Taylor <ian@airs.com>
3735 * combine.c (make_extraction): Avoid reference outside object.
3737 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
3739 * stor-layout.c (finalize_type_size): Restore behaviour for
3740 non-aggregate types to the status quo ante of the patch for
3741 pr 23467. Document why it matters.
3743 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3746 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
3747 array by one element, initialize the BT_LAST element with NULL.
3749 2005-08-26 David Edelsohn <edelsohn@gnu.org>
3751 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
3752 optimizing for size.
3754 (compare_plus_eqsi): Same.
3755 (plus_eqsi_compare): Same.
3756 (neg_eq0<mode>): Same.
3757 (neg_eq<mode>): Same.
3759 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
3762 2005-08-26 Nick Clifton <nickc@redhat.com>
3764 * config/v850/v850.c (ep_memory_operand): Return FALSE if
3765 TARGET_EP is not defined.
3766 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
3767 TARGET_EP is enabled.
3768 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
3769 * config/v850/v850.md (save_all_interrupt): Only use the EP
3770 register if TARGET_EP is defined.
3771 (restore_all_interrupt): Likewise.
3772 * config/v850/lib1funcs.asm: Update functions so that the EP
3773 register is only used if __EP__ is defined.
3775 2005-08-26 David Ung <davidu@mips.com>
3777 * config/mips/mips.c (mips_expand_prologue): Handle case when
3778 generating for MIPS16 and the outgoing argument area is more than
3779 SMALL_OPERAND. Use the frame pointer as temporary to generate the
3782 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
3784 * config/crx/crx.md: Make doloop_end pattern usage controllable
3785 via mloop-nesting=<max-nesting> command line switch. Make sure
3786 the combiner cannot use doloop_end_<mode> in an illegal way.
3787 * config/crx/crx.c: Use regs up to r6 for argument passing.
3788 Refine crx_address_cost (non cst4 displacements are expensive).
3789 * config/crx/crx.opt: Add switch for mloop-nesting=.
3791 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
3793 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
3794 (UNSPEC_MVST): New constant.
3796 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
3798 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
3799 Reject operands containing eliminable registers.
3800 * testsuite/gcc.dg/20050825-1.c: New testcase.
3802 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3803 Jan Hubicka <jh@suse.cz>
3805 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
3807 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3809 PR tree-optimization/23546
3810 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
3813 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
3815 * params.def (PARAM_MIN_SPEC_PROB): New.
3816 * sched-rgn.c (MIN_PROBABILITY): Delete.
3817 (compute_trg_info): Convert to PARAM_VALUE.
3818 * doc/invoke.texi (param): Document min-spec-prob.
3820 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
3822 * config/darwin.h: define __PIC__
3823 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
3824 TARGET_OS_CPP_BUILTINS macro.
3826 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3828 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
3831 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3833 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
3835 * cfghooks.c (duplicate_block): Added position where to place
3836 new block as argument.
3837 * cfghooks.h (duplicate_block): Declaration changed.
3838 * cfglayout.c (copy_bbs): Add argument after. Pass it to
3840 * cfglayout.h (copy_bbs): Declaration changed.
3841 * cfgloop.h (loop_version): Declaration changed.
3842 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
3843 position to copy_bbs.
3844 (loop_version): Pass position to duplicate_loop_to_header_edge.
3845 Add place_after argument and position new blocks according to
3847 * modulo-sched.c (sms_schedule): Pass place_after argument
3849 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
3850 * tree-cfg.c (split_edge_bb_loc): New function.
3851 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
3852 to determine position of new blocks.
3853 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
3855 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
3856 argument to duplicate_block.
3857 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
3858 Pass position to copy_bbs.
3860 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3862 * fold-const.c (ptr_difference_const): Use
3863 cst_and_fits_in_hwi instead of host_integerp.
3865 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3867 * config/darwin.c (gen_pic_offset): New.
3868 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
3871 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
3873 PR tree-optimization/23486
3874 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
3876 2005-08-23 Phil Edwards <phil@codesourcery.com>
3878 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
3879 remove use_collect2.
3880 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
3882 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
3883 configuration files to override the default value.
3885 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
3886 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
3887 * config/vx-common.h: New file, split out from...
3888 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
3889 * config/vxworksae.h: New file, for VxWorks AE.
3890 * config/vxworks.opt: New file.
3891 * config/vxlib.c: Update for VxWorks 6.
3893 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
3894 other MULTILIB_* variables appropriately.
3895 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
3896 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
3897 * config/rs6000/vxworks.h: Update for VxWorks 6.
3898 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
3900 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
3903 * config/darwin.c (machopic_select_section): Remove the hack to
3904 mark "::operator new" and "::operator delete" for coalescing
3905 even though they are not weak.
3907 2005-08-24 Alan Modra <amodra@bigpond.net.au>
3909 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
3910 * configure: Regenerate.
3912 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3915 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
3917 * convert.c (convert_to_integer, convert_to_vector): Likewise.
3918 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
3921 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3923 * config/rs6000/predicates.md (equality_operator): New.
3924 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
3925 comparison with a large constant.
3927 2005-08-23 Mark Mitchell <mark@codesourcery.com>
3929 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
3931 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
3933 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
3934 registers is even, and we have a hardware double precision fp,
3936 (sh_gimplify_va_arg_expr): For floating point arguments, consider
3937 size of current argument when checking if argument was passed in
3940 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
3943 * stor-layout.c (finalize_type_size): Dont override
3944 existing alignment with a smaller alignment from the mode.
3946 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3948 * lambda-code.c (lambda_vector_lexico_pos): Moved...
3949 * lambda.h (lambda_vector_lexico_pos): ... here.
3950 * tree-data-ref.c (build_classic_dist_vector): Return false when
3951 the distance vector is lexicographically negative.
3953 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3955 PR tree-optimization/23511
3956 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
3957 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
3959 2005-08-23 Jakub Jelinek <jakub@redhat.com>
3961 PR tree-optimization/22043
3962 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
3963 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
3964 If ALLOW_FLEXARR, handle types ending with flexible array member.
3965 Pass false as second argument to recursive count_type_elements calls.
3966 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
3967 argument to count_type_elements call.
3968 * tree-sra.c (decide_block_copy): Likewise.
3969 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
3970 for a constant-sized object, set cleared as well. Pass true as
3971 second argument to count_type_elements call.
3973 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3976 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
3977 from legitimate_small_data_p, and make global. Update use.
3978 Remove forward declaration.
3979 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
3981 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
3983 2005-08-23 David Edelsohn <edelsohn@gnu.org>
3985 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
3986 of scratch intermediates.
3987 (eq<mode>_compare): Same.
3988 (neg_eq0<mode>): New.
3989 (neg_eq<mode>): Convert to define_insn_and_split.
3991 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3994 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
3995 stdarg functions, set/clear the fp marker even when no variable
3997 * config/rs6000/sysv4.opt (mprototype): Describe.
3999 2005-08-22 Jakub Jelinek <jakub@redhat.com>
4001 PR rtl-optimization/23478
4002 * regs.h (reg_info): Add throw_calls_crossed.
4003 (REG_N_THROWING_CALLS_CROSSED): Define.
4004 * flow.c (allocate_reg_life_data): Initialize
4005 REG_N_THROWING_CALLS_CROSSED.
4006 (propagate_one_insn, attempt_auto_inc): Update
4007 REG_N_THROWING_CALLS_CROSSED.
4008 * global.c (global_alloc): Don't allocate pseudos across
4009 calls that may throw.
4011 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
4014 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
4015 value is inbetween the range if we did not find an exact match.
4017 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
4019 * doc/invoke.texi (Option Summary): Add ms1 options.
4020 * doc/extend.texi: Document interrupt handler attribute for ms1.
4021 * doc/md.texi: Document ms1 constraints.
4022 * config.gcc: Add ms1-*-elf.
4023 * config/ms1/ms1.h: New.
4024 * config/ms1/ms1.c: New.
4025 * config/ms1/ms1.md: New.
4026 * config/ms1/ms1-protos.h: New.
4027 * config/ms1/ABI.txt: New.
4028 * config/ms1/crti.asm: New.
4029 * config/ms1/crtn.asm: New.
4030 * config/ms1/lib2extra-funcs.c: New.
4031 * config/ms1/t-ms1: New.
4032 * config/ms1/ms1.opt: New.
4034 2005-08-22 Ira Rosen <irar@il.ibm.com>
4036 * config/rs6000/altivec.md (xorv4sf3): New.
4037 (negv4sf2, neg<mode>2): Likewise.
4039 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
4042 * config/ia64/ia64.md (divsi3): Check divide by zero.
4043 (udivsi3): Likewise.
4045 (udivdi3): Likewise.
4047 2005-08-21 Jakub Jelinek <jakub@redhat.com>
4049 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
4050 up to elem_bitsize bits, not max_bitsize.
4052 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
4054 PR tree-optimization/23433
4055 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
4056 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
4058 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
4060 PR tree-optimization/23434
4061 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
4062 the iteration bound is not an INTEGER_CST.
4064 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
4066 * tree-vect-transform.c (get_initial_def_for_reduction): Set
4067 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
4068 NULL if need_epilog_adjust is false.
4069 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
4070 Case 3 always peels first itration, not just for PLUS case, and no need
4071 to use scalar_initial_def here. Create an epilog adjustment only if
4072 scalar_initial_def is not NULL.
4074 (vectorizable_reduction): Remove assert.
4076 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
4079 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
4080 (__moddi3): Likewise.
4081 (__udivdi3): Likewise.
4082 (__umoddi3): Likewise.
4083 (__divsi3): Likewise.
4084 (__modsi3): Likewise.
4085 (__udivsi3): Likewise.
4086 (__umodsi3): Likewise.
4088 2005-08-20 Jakub Jelinek <jakub@redhat.com>
4090 * tree-pass.h (TDF_GRAPH): Define.
4091 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
4092 * passes.c (finish_optimization_passes): Only call
4093 finish_graph_dump_file if TDF_GRAPH is set.
4094 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
4095 NULL. Set TDF_GRAPH bit.
4096 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
4098 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
4100 * arm.h (arm_stack_offsets): Add locals_base field.
4101 * arm.c (arm_get_frame_offsets): Compute it.
4102 (thumb_compute_initial_elimination offset): Make the Thumb frame
4103 pointer point to the base of the local variables.
4104 (thumb_expand_prologue): Update accordingly.
4105 (thumb_expand_epilogue): Likewise.
4107 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
4108 mode of clobbered scratch to DImode. Handle a case that's known to
4111 2005-08-19 David Edelsohn <edelsohn@gnu.org>
4113 * config/rs6000/rs6000.md (gt0<mode>): Delete.
4114 (gt0<mode>_compare): Delete.
4115 (neg_gt0<mode>): Delete.
4117 2005-08-19 Eric Christopher <echristo@apple.com>
4119 * optabs.h: Change CTI_ to COI_.
4122 2005-08-19 James E Wilson <wilson@specifix.com>
4124 * builtins.c (expand_builtin_return_addr): Set
4125 current_function_accesses_prior_frames when count != 0. Use
4126 frame_pointer_rtx when count == 0.
4127 * function.h (struct function): Add accesses_prior_frames field.
4128 (current_function_accesses_prior_frames): Define.
4129 * reload1.c (init_elim_table): Check
4130 current_function_accesses_prior_frames.
4131 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
4133 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4135 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
4136 indicator. Return true if the flowgraph changed during
4139 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4142 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
4143 conditional expression before testing its value.
4145 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4147 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
4149 2005-08-19 Devang Patel <dpatel@apple.com>
4151 PR tree-optimization/23048
4152 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
4153 third parameter. Check whether latch is dominated by exit
4155 (if_convertible_loop_p): Supply exit block itself to
4156 if_convertible_bb_p.
4158 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
4161 * arm.md (arm_load_pic_register): Change argument to the mask of
4162 saved registers. Call thumb_find_work_register if we need a
4163 scratch register on Thumb.
4164 (arm_expand_prologue): Pass empty register set to
4165 arm_load_pic_register.
4166 (thumb_expand_prologue): Pass live_regs_mask directly to
4167 arm_load_pic_register.
4168 * arm-protos.h (arm_load_pic_register): Update prototype.
4170 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
4172 * sh.c (find_sole_member): New function.
4173 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
4174 if the record's alignment is larger than the size of its only member.
4176 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
4179 * arm.c (thumb_legitimize_reload_address): New function.
4180 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
4181 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
4183 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
4185 * config/crx/crx.c: Implement crx_decompose_address. Reject
4186 symbolic displacements since CRX register relative adressing
4187 mode can't handle unsigned 32-bit values as displacements.
4188 * config/crx/crx.h: Simplify definitions, remove redundant
4189 parenthesis and obsolete macros.
4190 * config/crx/crx.opt: Add new switch for debugging addresses.
4191 * config/crx/crx-protos.h: Add new declarations for above.
4193 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
4196 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
4199 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4201 * collect2.c (dup2): Delete.
4202 * configure.ac: Don't check for dup2.
4204 * config.in, configure: Regenerate.
4206 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
4208 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
4209 record with the type of its only member.
4211 2005-08-18 David Edelsohn <edelsohn@gnu.org>
4213 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
4214 define_insn_and_split.
4215 (plus_ltu<mode>_compare): Same.
4216 (gtu<mode>_compare): Same.
4217 (plus_gtu<mode>_compare): Same.
4219 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
4221 PR tree-optimization/22228
4222 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
4224 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
4225 are recorded in vect_vnames_to_rename for renaming.
4226 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
4227 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
4228 in vect_vnames_to_rename.
4229 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
4230 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
4232 2005-08-18 Jan Hubicka <jh@suse.cz>
4235 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
4236 info only for local statics, not for member variables.
4238 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4240 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
4242 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4244 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
4246 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
4249 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
4251 2005-08-17 James E Wilson <wilson@specifix.com>
4253 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4256 2005-08-17 David Edelsohn <edelsohn@gnu.org>
4258 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
4259 (leu<mode>_compare): Same.
4260 (plus_leu<mode>): Same.
4261 (neg_leu<mode>): Same.
4262 (and_neg_leu<mode): Same.
4263 (ltu<mode>_compare): Same.
4264 (plus_ltu<mode>): Same.
4266 (geu<mode>_compare): Same.
4267 (plus_geu<mode>): Same.
4268 (neg_geu<mode>): Same.
4269 (and_neg_geu<mode>): Same.
4270 (plus_gt<mode>): Same.
4271 (gtu<mode>_compare): Same.
4272 (plus_gtu<mode>): Same.
4274 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
4276 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
4277 Move call_table_data to end. Delete spurious .text.
4278 (callt_save_all_interrupt): Fix comment typo.
4280 2005-08-17 James E Wilson <wilson@specifix.com>
4281 Kevin Winchester <winchester@amirix.com>
4284 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
4286 2005-08-17 Uros Bizjak <uros@kss-loka.si>
4289 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
4290 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
4292 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
4294 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
4295 record with the type of its only member if the modes don't match.
4297 * varasm.c (decode_reg_name): Skip empty additional register names.
4299 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4301 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
4302 lsm_tmp_name_length): New.
4303 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
4304 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
4306 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4307 Andreas Krebbel <krebbel1@de.ibm.com>
4309 * config.gcc: Added z9-109 switch.
4310 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
4311 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
4312 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
4313 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
4314 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
4315 for "z9_109" cpu attribute.
4316 * config/s390/s390.c (z9_109_cost): New processor cost structure.
4317 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
4318 (s390_handle_arch_option): Added z9-109 switch.
4319 (override_options): Set respective cost function for z9-109.
4320 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
4321 (legitimate_reload_constant_p): Accept extended immediates.
4322 (print_operand): Three new output modifiers added: k, m and o.
4323 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
4324 (s390_output_mi_thunk): Use extended immediate when possible.
4325 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
4326 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
4327 (CONSTRAINT_LEN): Added length of O constraint.
4328 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
4329 * config/s390/s390.md ("cpu"): New value z9_109 added.
4330 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
4331 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
4332 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
4333 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
4334 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
4335 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
4336 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
4337 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
4338 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
4339 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4340 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
4341 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
4342 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
4343 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
4344 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
4346 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
4347 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
4348 insns for TARGET_EXTIMM.
4350 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
4352 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
4354 2005-08-17 Nick Clifton <nickc@redhat.com>
4356 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
4357 Call default_encode_section_info.
4359 2005-08-17 Steven Bosscher <stevenb@suse.de>
4361 PR tree-optimization/21574
4362 * tree-ssa-ccp.c (likely_value): If the right hand side is a
4363 constant, return CONSTANT.
4364 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
4365 (ccp_fold, visit_assignment): Likewise.
4366 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
4368 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4370 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
4371 fold_buildN instead of buildN then fold_initializer or fold.
4372 (build_unary_op): Likewise.
4373 (build_binary_op): Likewise.
4374 * fold-const.c (fold_initializer): Remove.
4375 (fold_build1_initializer): New function.
4376 (fold_build2_initializer): New function.
4377 (fold_build3_initializer): New function.
4378 * tree.h (fold_initializer): Remove.
4379 (fold_build1_initializer): New function.
4380 (fold_build2_initializer): New function.
4381 (fold_build3_initializer): New function.
4383 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4385 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
4386 (try_move_mult_to_index): Call fold_build2 instead of build2.
4387 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
4388 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
4389 fold_binary_to_constant.
4390 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
4392 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
4393 check if A == gcd (A, B). Remove TYPE argument.
4394 (analyze_offset) Use fold_build2 instead of fold (build.
4395 (create_data_ref): Likewise.
4396 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
4397 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
4400 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
4402 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
4403 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
4405 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
4408 * gimplify.c (zero_sized_type): New function.
4409 (gimplify_modify_expr_rhs): If we have a zero sized type,
4410 replace the statement with an empty statement.
4412 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
4414 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
4417 2005-08-16 Ian Lance Taylor <ian@airs.com>
4419 * doc/tm.texi (Label Output): Correct typo.
4421 2005-08-16 Steven Bosscher <stevenb@suse.de>
4424 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
4425 force_operand will work later on using have_insn_for.
4427 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4429 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
4431 2005-08-16 Ian Lance Taylor <ian@airs.com>
4434 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
4435 vector type, don't try to construct it element by element. Add an
4436 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
4438 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4440 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
4442 2005-08-16 Geoffrey Keating <geoffk@apple.com>
4444 * doc/invoke.texi (Precompiled Headers): Document some more options
4445 which are known to be safe.
4447 2005-08-16 James E Wilson <wilson@specifix.com>
4449 PR tree-optimization/21105
4450 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4451 TREE_OVERFLOW check.
4453 2005-08-16 David Edelsohn <edelsohn@gnu.org>
4455 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
4456 (neg_ltu<mode>): Same.
4458 (neg_gtu<mode>): Same.
4460 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4462 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
4463 (fold_builtin_isdigit): Use fold_buildN.
4464 (build_function_call_expr): Likewise.
4465 * c-typeck.c (c_finish_loop): Likewise.
4467 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
4468 Richard Shann <rshann@superh.com>
4470 PR middle-end/20396:
4471 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
4473 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
4475 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
4477 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
4480 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
4481 arm_compure_save_reg0_reg12_mask to determine when the PIC register
4484 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4487 * fold-const.c (build_range_check): Disable optimization for function
4488 pointer expressions on targets that require function pointer
4491 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
4493 * simplify-rtx.c (simplify_const_relational_operation): When
4494 extracting arguments of a COMPARE, recompute the mode as well.
4496 2005-08-15 Ian Lance Taylor <ian@airs.com>
4498 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
4500 2005-08-15 DJ Delorie <dj@redhat.com>
4502 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
4504 (movsi_splittable): Allow, but split, moves to the stack.
4505 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
4508 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4510 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
4511 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
4512 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
4514 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
4515 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
4516 Delete HOST_PTR_PRINTF.
4518 * configure, config.in: Regenerate.
4520 2005-08-15 David Edelsohn <edelsohn@gnu.org>
4522 * config/rs6000/rs6000.md (QHSI): New mode macro.
4523 (wd): Extend mode attr for QImode and HImode
4524 (dbits): New mode attr.
4525 (zero_extend<mode>di2): Convert to mode macro.
4527 2005-08-15 Steve Ellcey <sje@cup.hp.com>
4530 * doc/invoke.texi (-mgnu-ld): Update description.
4533 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4536 * Makefile.in (tree-chrec.o): Depends on real.h.
4537 * tree-chrec.c: Include real.h.
4538 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
4539 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
4540 * tree-scalar-evolution.c (add_to_evolution_1,
4541 interpret_rhs_modify_expr): Ditto.
4543 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4546 * tree-data-ref.c (estimate_niter_from_size_of_data): When
4547 step is negative compute the estimation from init downwards to zero.
4549 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
4551 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
4553 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4555 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
4557 (legitimate_reload_constant_p): Fix handling of lliXX operands.
4558 Accept double-word constants that can be split.
4559 * config/s390/s390.md ("movti"): Use 'P' constraint.
4560 ("*movdi_31", "*movdf_31"): Likewise.
4562 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
4564 Fix PR tree-optimization/22615
4566 * tree-ssa-structalias.c (solution_set_add): Handle
4567 first_vi_for_offset returning NULL.
4568 (do_da_constraint): Ditto.
4569 (do_sd_constraint): Ditto.
4570 (do_ds_constraint): Ditto
4571 (find_func_aliases): Ditto.
4572 (build_constraint_graph): RHS is allowed be ANYTHING.
4573 (first_vi_for_offset): Return NULL if we couldn't find anything at
4576 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4578 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
4579 over memory as first operand.
4581 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
4584 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
4585 available for setting it.
4587 2005-08-14 Ira Rosen <irar@il.ibm.com>
4589 PR tree-optimization/23320
4590 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
4591 data-refs' types instead of base object nullness. Add check for
4592 pointer type data-refs before first location comparison. Remove
4595 2005-08-14 Andreas Schwab <schwab@suse.de>
4597 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
4599 2005-08-13 James E Wilson <wilson@specifix.com>
4601 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
4602 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
4603 -fstack-protector-all, --param ssp-buffer-size): Document.
4604 (-Wvariadic-macros): Alphabetize.
4605 (-fsched-stalled-insns-dep): Add missing 'f'.
4607 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
4610 2005-08-13 David Edelsohn <edelsohn@gnu.org>
4612 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
4613 or indirect address operand.
4614 (EXTRA_ADDRESS_CONSTRAINT): New.
4615 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
4617 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
4619 PR tree-optimization/22236
4620 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
4621 successors and predecessors.
4622 * tree-chrec.c (chrec_convert): Before converting, check that
4623 sequences don't wrap.
4624 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
4625 (analyze_array): Extern.
4626 (find_data_references_in_loop): Remove call to
4627 compute_estimated_nb_iterations.
4628 * tree-data-ref.h (analyze_array): Declared.
4629 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
4630 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
4631 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
4632 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
4634 * tree-ssa-loop-ivcanon.c: Fix documentation.
4635 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
4636 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
4637 (infer_loop_bounds_from_undefined): New.
4638 (estimate_numbers_of_iterations_loop): Use
4639 infer_loop_bounds_from_undefined.
4640 (used_in_pointer_arithmetic_p): New.
4641 (scev_probably_wraps_p): Pass an extra parameter. Call
4642 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
4643 (convert_step): Fix documentation.
4644 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
4645 Use initial_condition_in_loop_num and evolution_part_in_loop_num
4646 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
4647 scev_probably_wraps_p.
4649 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4651 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
4652 (s390_register_info): Ignore clobbered_regs information for fixed
4653 registers, and only fixed registers.
4654 (s390_init_frame_layout): Remove redundant call.
4656 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
4658 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
4659 description of -Wold-style-casts.
4661 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4662 Jakub Jelinek <jakub@redhat.com>
4664 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4665 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
4666 * config/s390/s390.c (print_operand): New output modifier 'G' added.
4667 (get_thread_pointer): Renamed to s390_get_thread_pointer.
4668 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
4669 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
4670 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
4671 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4672 ("stack_protect_set", "stack_protect_test"): New expanders.
4673 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
4674 "stack_protect_testdi"): New insn definitions.
4676 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4678 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
4680 2005-08-12 Paul Brook <paul@codesourcery.com>
4682 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
4684 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4686 * config/s390/predicates.md (setmem_operand): New predicate.
4687 (shift_count_operand): Accept ANDs with special constants as
4689 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
4690 with special constants.
4691 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
4692 shift_count_operand with setmem_operand.
4694 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4696 * config/s390/s390.c (s390_extract_part, s390_single_part):
4698 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
4699 (s390_output_mi_thunk): Don't use lg on 31 bit.
4700 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
4701 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
4703 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4705 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
4706 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
4707 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
4708 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
4709 with one of the new macros.
4711 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4713 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
4714 Don't set save_return_addr_p.
4715 (s390_register_info): Make clobbered_regs not depending on
4718 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
4720 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
4721 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
4723 2005-08-11 James E. Wilson <wilson@specifix.com>
4725 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
4727 2005-08-11 Jakub Jelinek <jakub@redhat.com>
4729 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
4730 locations gathered by var-tracking in single entry loc_list
4731 over loc_descriptor_from_tree.
4733 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
4734 pass it down to loc_descriptor.
4735 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
4736 (containing_function_has_frame_base): Move earlier in the file.
4737 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
4738 instead of always assuming fbreg can't be used.
4740 2005-08-11 David Edelsohn <edelsohn@gnu.org>
4742 * config/rs6000/altivec.md: Change constraint "m" to "Z".
4743 * config/rs6000/predicates.md (indexed_or_indirect_operand):
4744 Accept address wrapped in AND for Altivec.
4745 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4746 Strip AND wrapping offset address for Altivec.
4748 2005-08-11 Richard Henderson <rth@redhat.com>
4751 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
4752 before using TYPE_IS_SIZETYPE.
4754 2005-08-11 Richard Henderson <rth@redhat.com>
4757 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
4758 insn types not present on ev4.
4759 (alphaev5_insn_pipe): Similarly.
4761 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
4764 * arm.c (arm_override_options): If the user has selected callee-super-
4765 interworking, then enable normal interworking.
4767 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4769 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
4772 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
4774 * doc/rtl.texi: Fix two typos.
4776 2005-08-11 Richard Guenther <rguenther@suse.de>
4779 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
4780 cases where we call to/from functions returning void.
4782 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
4785 * tree.c (build_pointer_type_for_mode): Robustify.
4787 2005-08-10 James E Wilson <wilson@specifix.com>
4789 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
4790 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
4792 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
4795 2005-08-10 Eric Christopher <echristo@apple.com>
4797 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
4798 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
4801 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
4804 * config/darwin.c (machopic_indirect_data_reference): Use a new register
4805 for the high part when generating dynamic-no-pic code.
4807 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
4809 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
4810 (x86_64-*-linux*): Likewise.
4812 * config/i386/crtfastmath.c: New file.
4813 * config/i386/t-crtfm: Likewise.
4815 * config/i386/linux.h (ENDFILE_SPEC): New.
4816 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
4818 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
4821 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
4823 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
4824 (vec_shl, vec_shr): Document new operations.
4825 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
4827 2005-08-10 David Edelsohn <edelsohn@gnu.org>
4829 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
4830 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
4831 change predicate to indexed_or_indirect_address.
4833 2005-08-10 Richard Sandiford <richard@codesourcery.com>
4835 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
4836 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
4837 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
4838 and __aeabi_uwrite8.
4839 * config/arm/unaligned-funcs.c: New file.
4840 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
4842 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
4844 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
4846 * cfglayout.c (pass_insn_locators_initialize): Add dump.
4847 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
4849 * except.c (pass_convert_to_eh_region_ranges): Add dump.
4850 * final.c (pass_shorten_branches): Add dump.
4851 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
4852 (pass_life): Rename dump.
4853 (rest_of_handle_flow2): Remove initial verify_flow_info.
4854 * function.c (pass_instantiate_virtual_regs): Add dump.
4855 * integrate.c (pass_initial_value_sets): Add dump.
4856 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
4857 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
4858 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
4859 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
4860 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
4861 gate_rtl_unrool_and_peel_loops): New.
4862 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
4863 rtl_doloop): Do not look at flags.
4864 * mode-switching.c (pass_mode_switching): Add dump.
4865 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
4866 pass_split_before_regstack): Add dump.
4867 * regmove.c (pass_stack_adjustments): Add dump.
4868 * tree-optimize.c (pass_fixup_cfg): Add dump.
4870 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4873 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
4874 deciding which instruction sequence to use.
4876 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
4878 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
4879 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
4881 2005-08-09 Richard Guenther <rguenther@suse.de>
4883 * c-common.c (builtin_function_2): Remove.
4884 (def_builtin_1): New function.
4885 (c_common_nodes_and_builtins): Use def_builtin_1 to
4886 build builtin functions.
4888 2005-08-09 Jie Zhang <jie.zhang@analog.com>
4890 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
4891 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4892 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
4895 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4897 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
4898 fold_binary instead of fold_build2 since we don't care about the
4900 (loop_niter_by_eval): Likewise.
4901 (compare_trees): Likewise.
4902 (proved_non_wrapping_p): Likewise.
4904 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4908 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
4909 if the if is really empty.
4911 2005-08-09 Steven Bosscher <stevenb@suse.de>
4913 PR tree-optimization/23234
4914 * tree-ssa-math-opts.c (place_reciprocal): New enum.
4915 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
4916 argument of the new enum.
4917 (execute_cse_reciprocals): Add reciprocals for function arguments
4918 on the unique successor edge of the entry block. Update other calls
4919 to execute_cse_reciprocals_1.
4921 2005-08-08 Richard Henderson <rth@redhat.com>
4924 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
4926 2005-08-08 Bob Wilson <bob.wilson@acm.org>
4928 * expr.c (write_complex_part): Return after handling MEM.
4930 2005-08-08 Josh Conner <jconner@apple.com>
4932 PR rtl-optimization/23241
4933 * combine.c (simplify_comparison): Fix error in determining
4934 whether to lift a subreg from comparison.
4936 2005-08-08 David Edelsohn <edelsohn@gnu.org>
4939 * config/rs6000/altivec.md (vec_init<mode>): New.
4940 (vec_set<mode>): New.
4941 (vec_extract<mode>): New.
4942 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
4943 (rs6000_expand_vector_set): New.
4944 (rs6000_expand_vector_extract): New.
4945 (rs6000_legitimate_offset_address_p): Offset addresses are valid
4946 for Altivec modes before reload.
4947 (altivec_expand_vec_init_builtin): New.
4948 (get_element_number): New.
4949 (altivec_expand_vec_set_builtin): New.
4950 (altivec_expand_vec_ext_builtin): New.
4951 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
4953 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
4955 * config/rs6000/rs6000.h (rs6000_builtins): Add
4956 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
4957 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
4958 * config/rs6000/rs6000-protos.h: Declare new functions.
4960 2005-08-08 Jan Hubicka <jh@suse.cz>
4962 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
4963 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
4964 * i386.md (movdi*): Use pic_32bit_operand.
4965 * predicates.md (pic_32bit_operand): New.
4967 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
4970 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
4972 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
4974 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
4975 (test_for_singularity): Use fold_build2.
4977 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4979 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
4981 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
4983 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4984 (COMMON_ASM_OP) Define.
4985 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
4986 (ix86_encode_section_info): Likewise.
4987 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
4988 SUBTARGET_ENCODE_SECTION_INFO.
4990 2005-08-06 Richard Henderson <rth@redhat.com>
4993 * tree-nested.c (convert_local_reference): Save and restore val_only
4994 around component_ref and friends. Clear walk_subtrees by default.
4996 2005-08-06 Peter O'Gorman <peter@pogma.com>
4999 * gcc.c (process_command): Check the argument to -b has a dash.
5000 * doc/invoke.texi: Update -b and -V docs.
5002 2005-08-06 James E Wilson <wilson@specifix.com>
5004 * config/mips/cross64.h, config/mips/t-cross64: Delete.
5006 2005-08-06 Michael Matz <matz@suse.de>
5008 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
5009 member only if only one insn is associated with the value.
5011 2005-08-06 Nick Clifton <nickc@redhat.com>
5013 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
5015 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
5016 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
5017 Check symbol flags instead of symbol name mangling.
5018 (xstormy16_asm_output_aligned_common): Likewise. Also
5019 simplify code since the bss100_section cass is the only case
5020 where the below100 code will be triggered.
5021 (xstormy16_encode_section_info): Encode below100 attribute
5022 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
5024 (xstormy16_strip_name_encoding): Delete - this function is no
5026 (TARGET_STRIP_NAME_ENCODING): Undefine.
5027 * config/stormy16/stormy16-protos.h: Delete prototype for
5028 xstormy16_strip_name_encoding.
5030 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
5032 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
5033 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
5034 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
5035 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
5036 config/alpha/predicates.md, config/arc/arc.h,
5037 config/arm/arm.h, config/arm/ieee754-df.S,
5038 config/arm/ieee754-sf.S, config/bfin/bfin.c,
5039 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
5040 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
5041 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
5042 config/m68hc11/m68hc11.h, config/mips/mips.c,
5043 config/mips/mips.h, config/mips/openbsd.h,
5044 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
5045 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
5046 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5047 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
5048 config/sparc/linux.h, config/sparc/linux64.h,
5049 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
5050 doc/extend.texi, doc/gcov.texi, doc/install.texi,
5051 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
5052 typos. Follow spelling conventions.
5054 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
5057 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
5058 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
5059 specially. Check for side effects only for COND_EXPR.
5060 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
5061 return with TREE_NO_WARNING.
5063 2005-08-06 Richard Sandiford <richard@codesourcery.com>
5065 PR rtl-optimization/23233
5066 * loop.c (combine_movables): Require the modes to be the same.
5067 (move_movables): Remove handling of cases where the replacement
5068 had a different mode to the original.
5070 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
5072 PR tree-optimization/23128
5073 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
5074 subtraction wrap, and set TREE_OVERFLOW if they do.
5076 2005-08-05 Richard Henderson <rth@redhat.com>
5079 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
5080 FORCED_LABEL labels.
5082 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
5085 * reload.c (find_reloads_subreg_address): Pass down TYPE
5086 unchanged. Change all callers except find_reloads_toplev.
5088 2005-08-05 Michael Matz <matz@suse.de>
5090 * genattrtab.c (current_alternative_string): Remove.
5091 (SIMPLIFY_ALTERNATIVE): Ditto.
5092 (attr_alt_bit_p): Ditto.
5093 (alternative_name): Make const char *.
5094 (evaluate_eq_attr): Remove use of above things.
5095 (simplify_test_exp): Ditto.
5096 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
5097 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
5099 2005-08-04 James E Wilson <wilson@specifix.com>
5101 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
5102 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
5103 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
5104 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
5105 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
5107 2005-08-04 Richard Henderson <rth@redhat.com>
5110 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
5111 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
5112 * tree-sra.c (decide_block_copy): Use it. Disable element copy
5113 if we'd have to instantiate too many members.
5115 2005-08-04 Richard Henderson <rth@redhat.com>
5118 * tree-outof-ssa.c (coalesce_asm_operands): New.
5119 (coalesce_ssa_name): Use it. Split out ...
5120 (coalesce_phi_operands, coalesce_result_decls): ... these.
5122 2005-08-04 Paul Brook <paul@codesourcery.com>
5124 * read-rtl.c (read_quoted_string): Break if EOF.
5126 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
5128 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
5129 (fold_build2): Likewise.
5130 (fold_build3): Likewise.
5131 (fold_build1_stat): New function prototype.
5132 (fold_build2_stat): Likewise.
5133 (fold_build3_stat): Likewise.
5134 * fold-const.c (fold_build1): Rename to ..
5135 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5136 through to build1_stat.
5137 (fold_build2): Rename to ..
5138 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5139 through to build2_stat.
5140 (fold_build3): Rename to ..
5141 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5142 through to build3_stat.
5144 2005-08-04 David Edelsohn <edelsohn@gnu.org>
5145 Ian Lance Taylor <ian@airs.com>
5147 * function.c (assign_stack_local_1): Do not correct stack slot
5148 address if allocation size is smaller than mode size.
5150 2005-08-04 Diego Novillo <dnovillo@redhat.com>
5153 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
5154 (tree_merge_blocks): Propagate anything allowed by
5156 Clarify documentation.
5157 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
5158 SSA form, schedule an update if necessary.
5160 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
5162 * doc/install.texi (Binaries): Remove broken link to
5163 Sinix/Reliant Unix binaries.
5165 2005-08-03 Richard Henderson <rth@redhat.com>
5168 * function.c (stack_protect_epilogue): Export.
5169 * tree.h (stack_protect_epilogue): Declare.
5170 * calls.c (expand_call): Call it.
5172 2005-08-03 Eric Christopher <echristo@apple.com>
5174 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
5175 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
5178 2005-08-04 Jan Hubicka <jh@suse.cz>
5180 * profile.c (branch_prob): Split edges with goto locus on them
5181 to get proper line counts.
5182 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
5184 2005-08-03 Paul Brook <paul@codesourcery.com>
5186 * function.c (assign_parms): Round current_function_args_size
5187 to PARM_BOUNDARY, not STACK_BOUNDARY.
5189 2005-08-03 Geoffrey Keating <geoffk@apple.com>
5191 * config/i386/i386.c (x86_elf_aligned_common)
5192 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
5194 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
5196 PR tree-optimization/23157
5197 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
5198 before emitting them.
5200 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5202 PR tree-optimization/19899
5203 * Makefile.in (tree-scalar-evolution.o): Add real.h.
5204 * tree-scalar-evolution.c: Include real.h.
5205 (add_to_evolution): Build constant -1 of correct type.
5207 2005-08-03 Jan Hubicka <jh@suse.cz>
5209 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
5210 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
5211 profile updating for complette unrolling.
5212 * loop-unroll.c (peel_loop_completely): Use it.
5213 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
5214 (tree_unroll_loops_completely): Disable code growing unrolling of cold
5217 2005-08-03 Paul Brook <paul@codesourcery.com>
5219 * combine.c (can_change_dest_mode): New function.
5220 (try_combine, simplify_set): Use it.
5222 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
5224 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
5227 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
5229 * doc/install.texi (Specific): Adjust link to openavr.org.
5230 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
5231 (Binaries): Adjust HP-UX Porting Center link.
5232 (Binaries): Adjust Free Software Foundation ordering link.
5234 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
5236 * convert.c (convert_to_integer): Use fold_build1 instead of
5237 build1 when converting an integer to an integer.
5239 2005-08-02 Richard Henderson <rth@redhat.com>
5241 * combine.c (combine_instructions): Don't use reg_equal/equiv
5242 results if the mode doesn't match.
5244 2005-08-02 Mark Mitchell <mark@codesourcery.com>
5246 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
5247 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
5249 2005-08-02 Richard Henderson <rth@redhat.com>
5252 * explow.c (memory_address): Remove special-case for
5253 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
5255 2005-08-02 Diego Novillo <dnovillo@redhat.com>
5258 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
5259 number of calls to cleanup_tree_cfg_1.
5261 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
5263 * doc/invoke.texi: document file extensions .F90 and .F95
5265 2005-08-02 Richard Guenther <rguenther@suse.de>
5267 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
5268 positive if its first argument is positive.
5270 2005-08-02 Richard Guenther <rguenther@suse.de>
5272 PR tree-optimization/23177
5273 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
5276 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
5278 PR tree-optimization/23129
5279 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
5280 varying for divisions with anti-ranges.
5282 2005-08-02 Jan Hubicka <jh@suse.cz>
5284 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
5285 * tree-ssa-threadupdate.c (thread_block): Add it here.
5287 2005-08-01 James E Wilson <wilson@specifix.com>
5289 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
5290 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
5291 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
5293 * config/mips/predicates.md (const_call_insn_operand): Add check for
5294 SYMBOL_REF_LONG_CALL_P.
5295 * doc/extend.texi (long_call): Document the new attribute.
5297 2005-08-01 Ian Lance Taylor <ian@airs.com>
5298 Richard Henderson <rth@redhat.com>
5300 * Makefile.in (RTL_BASE_H): Add real.h.
5301 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
5303 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
5305 * rtl.c (rtl_check_failed_code_mode): New.
5306 * rtl.h (struct rtx_def): Add u.rv.
5307 (XCMWINT, XCNMPRV): New.
5308 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
5309 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
5311 2005-08-01 Richard Henderson <rth@redhat.com>
5313 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
5314 with auto-inc codes.
5316 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
5318 2005-08-01 Jan Hubicka <jh@suse.cz>
5320 * i386-protos.h (asm_preferred_eh_data_format): Declare.
5321 * i386.c: Include dwarf2.h
5322 (asm_preferred_eh_data_format): New.
5323 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
5325 2005-08-01 Ian Lance Taylor <ian@airs.com>
5327 * config/host-linux.c (linux_gt_pch_get_address): Add new name
5328 randomize_va_space for virtual address randomization control.
5330 2005-08-01 Steven Bosscher <stevenb@suse.de>
5332 * common.opt (flag_ipa_cp): Put in right place to maintain
5335 2005-08-01 Jan Hubicka <jh@suse.cz>
5337 * profile.c (compute_value_histograms): Fix thinko.
5338 * value-prof.c: Include toplev.h
5339 (check_counter): New function.
5340 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
5341 tree_mod_subtract_transform): Add sanity check.
5343 2005-08-01 Richard Guenther <rguenther@suse.de>
5345 PR tree-optimization/23133
5346 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
5347 current functions parameter decls to find defs to cse
5350 2005-08-01 Richard Guenther <rguenther@suse.de>
5352 PR tree-optimization/23109
5353 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
5354 If trapping math is in effect, use post-dominator information
5355 to check if we'd in any case reach a trapping point before
5356 doing the reciprocal insertion.
5357 (execute_cse_reciprocals): Compute post-dominators, if necessary.
5358 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
5359 expressions are invariant only if trapping math is not in effect.
5361 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5363 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
5364 cgraph_function_versioning): New declarations.
5365 * cgraphunit.c: Add include to ipa-prop.h.
5366 (update_call_expr, cgraph_copy_node_for_versioning,
5367 cgraph_function_versioning): New functions.
5368 * integrate.c (copy_decl_for_inlining): Remove.
5369 * ipa-prop.h (ipa_replace_map): New struct.
5370 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
5371 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
5372 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
5373 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
5374 ipcp_iterate_stage, ipcp_method_scale_print,
5375 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
5376 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
5377 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
5378 ipcp_update_bb_counts, ipcp_update_profiling,
5379 ipcp_update_edges_counts): New functions.
5380 (ipcp_method_cval_init): Remove restriction regarding local methods.
5381 (ipcp_init_stage): Add ipcp_method_compute_scale.
5382 (ipcp_insert_stage): Add versioning.
5383 (ipcp_structures_print): Add ipcp_method_scale_print.
5384 (ipcp_driver): Dump profiling info.
5385 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
5386 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
5387 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
5388 (struct inline_data): Add versioning_p, ipa_info, new fields.
5389 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
5390 declare_return_variable): Replace calls to copy_decl_for_inlining with
5392 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
5394 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
5395 Add argument VERSIONING.
5396 (copy_arguments_for_versioning, copy_static_chain,
5397 function_versionable_p, tree_versionable_function_p,
5398 tree_function_versioning, replace_ref_tree): New functions.
5399 * tree-inline.h: Include varray.h.
5400 (tree_versionable_function_p, tree_function_versioning,
5401 tree copy_decl_for_dup): New declarations.
5403 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5405 * ipa-cp.c: New file. Contains IPCP specific functionality.
5406 * ipa-prop.h: New file. Contains structures/definitions that can be
5407 used by several interprocedural data flow optimizations (and also IPCP).
5408 * ipa-prop.c: New file.
5409 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
5410 * common.opt: Add ipa-cp flag.
5411 * timevar.def: Add IPCP optimization.
5412 * tree-optimize.c (init_tree_optimization_passes): Schedule
5414 * tree-pass.h (pass_ipa_cp): Declare.
5416 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
5418 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
5419 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
5420 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
5421 config/i386/i386.c, config/mips/mips.h,
5422 config/rs6000/rs6000.h, config/sh/sh.c,
5423 config/stormy16/stormy16.c: Fix comment typos.
5425 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
5428 * c-typeck.c (build_binary_op): Use common_type wrapper on
5430 (common_type): Update comment.
5432 2005-07-31 Steven Bosscher <stevenb@suse.de>
5435 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
5436 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
5437 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
5439 2005-07-31 Jan Hubicka <jh@suse.cz>
5441 * pretty-print.h (pp_widest_integer): New macro.
5442 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
5445 2005-07-31 Jan Hubicka <jh@suse.cz>
5447 * output.h (enum section_category): Export from varasm.c
5448 (categorize_decl_for_section): Likewise.
5449 * varasm.c (enum section_category): Kill.
5450 (categorize_decl_for_section): Make global.
5451 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
5453 * i386.c (ix86_section_threshold): New static variable.
5454 (ix86_in_large_data_p, ix86_encode_section_info,
5455 x86_64_elf_unique_section,
5456 x86_64_elf_select_section): New functions.
5457 (TARGET_ENCODE_SECTION_INFO): Define
5458 (override_options): Enable medium model for PIC.
5459 (ix86_expand_prologue): Expand gen_set_got_rex64.
5460 (legitimate_constant_p): Handle new UNSPECs.
5461 (legitimate_pic_address_disp_p): Likewise.
5462 (legitimize_pic_address): Lower MEDIUM model addressing.
5463 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
5464 (enum cmodel): Add MEDIUM_PIC.
5465 (SYMBOL_REF_FAR_ADDR_P): New macro.
5466 (SYMBOL_FLAG_FAR_ADDR): New flag.
5467 * i386.md (movdi): Support medium model.
5468 (set_got_rex64): New pattern.
5469 * i386.opt (mlarge-data-threshold): New flag.
5470 * predicates.md (zext_operand/sext_operand): Deal with medium model.
5471 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
5472 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
5473 TARGET_ASM_UNIQUE_SECTION): New.
5475 * invoke.texi (-mlarge_data_threshold): Document
5477 2005-07-31 Jan Hubicka <jh@suse.cz>
5479 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
5480 (coalesce_vars): Likewise.
5481 * tree-ssa-live.c (coalesce_cost): New.
5482 (build_tree_conflict_graph): Use coalesce_cost.
5483 * tree-ssa-live.h (coalesce_cost): Declare.
5485 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
5487 * arm.md (all peepholes for post-increment operations): Delete.
5488 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
5489 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
5490 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
5491 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
5492 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
5494 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
5496 * fold-const.c (tree_expr_nonnegative_p): Always return true for
5499 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
5502 * doc/invoke.texi: Document -rdynamic.
5504 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
5507 * c-parser.c (c_parser_parms_list_declarator): Call
5508 mark_forward_parm_decls.
5509 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
5510 decls with visibility structure.
5512 2005-07-30 Paul Brook <paul@codesourcery.com>
5514 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
5516 2005-07-30 Paul Brook <paul@codesourcery.com>
5518 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
5520 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
5522 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
5524 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5527 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
5528 nested function declarators.
5529 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
5530 (grokparms): Call warn_if_shadowing for parameters used within the
5532 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
5533 not used within the parameter list.
5534 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
5536 2005-07-30 Jan Hubicka <jh@suse.cz>
5538 * expr.c (expand_expr_real_1): Do not load mem targets into register.
5539 * i386.c (ix86_fixup_binary_operands): Likewise.
5540 (ix86_expand_unary_operator): Likewise.
5541 (ix86_expand_fp_absneg_operator): Likewise.
5542 * optabs.c (expand_vec_cond_expr): Validate dest.
5544 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5547 * real.c (real_from_string): Also set last bit if there is a
5548 nonzero hex digit beyond GCC's internal precision after ".".
5550 2005-07-29 David Edelsohn <edelsohn@gnu.org>
5552 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
5553 define_constants. Change duplicate values to unassigned numbers.
5554 Change UNSPEC_SUBS to UNSPEC_VSUBS.
5555 (*altivec_vspltsf): New.
5556 (altivec_vperm_v4sf): Delete.
5557 (altivec_vperm_<mode>): Use mode macro V.
5558 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
5559 (altivec_predicate_v4sf): Delete.
5560 (altivec_predicate_<mode>): Use mode macro V.
5561 (*altivec_lvesfx): New.
5562 (*altivec_stvesfx): New.
5563 (vec_realign_load_v4sf): Delete.
5564 (vec_realign_load_<mode>): Use mode macro V.
5565 * config/rs6000/rs6000.c (generate_set_vrsave): Use
5568 2005-07-29 Mark Mitchell <mark@codesourcery.com>
5571 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
5573 * configure: Regenerated.
5575 2005-07-29 Paul Brook <paul@codesourcery.com>
5577 * doc/install.texi: Add link to GFortran binaries wiki page.
5579 2005-07-29 David Ung <davidu@mips.com>
5581 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
5582 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
5583 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
5584 * config/mips/mips.md (cpu): Add 5kf name.
5585 (includes): Includes 5k.md.
5586 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
5587 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
5590 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5593 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
5594 (cleanup_tree_cfg): ... here.
5595 Call cleanup_tree_cfg_1 until there are no more cleanups to
5598 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
5600 * tree-vrp.c (compare_range_with_value): Return true or false
5601 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
5602 EQ_EXPR respectively.
5604 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
5606 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
5609 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5611 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
5612 (tree_ssa_dominator_optimize): Increment it.
5613 (dump_dominator_optimization_stats): Print it.
5615 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
5616 Steven Bosscher <stevenb@suse.de>
5618 PR rtl-optimization/23117
5619 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
5620 when head == tail. Tidy comment.
5622 2005-07-28 Richard Henderson <rth@redhat.com>
5624 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
5625 * cselib.c (rtx_equal_for_cselib_p): Likewise.
5626 * jump.c (rtx_renumbered_equal_p): Likewise.
5627 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
5628 CONST_INT and CONST_DOUBLE.
5629 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
5630 * reload.c (operands_match_p): Special case CONST_INT and
5631 CONST_DOUBLE; check mode earlier.
5633 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5636 * c-typeck.c (convert_for_assignment): Do not check
5637 DECL_IN_SYSTEM_HEADER on NULL fundecl.
5639 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5642 * c-typeck.c (composite_type): Prefer constant size arrays to
5645 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5648 * real.c (real_from_string): Set last bit if there is a nonzero
5649 hex digit beyond GCC's internal precision.
5651 2005-07-28 Richard Henderson <rth@redhat.com>
5654 * cfgcleanup.c (try_forward_edges): Watch out for end of
5657 2005-07-28 James E Wilson <wilson@specifixinc.com>
5660 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
5662 2005-07-28 Jan Hubicka <jh@suse.cz>
5664 * Makefile.in (rtl-profile.o): Kill all traces of it.
5665 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
5666 * coverage.h (rtl_coverage_counter_ref): Kill.
5667 * opts.c (flag_speculative_prefetching_set): Kill.
5668 (flag_loop_optimize_set): New.
5669 (common_handle_option): Disable loop optimizer when profiling;
5670 do not handle speculative prefetching.
5671 * passes.c (init_optimization_passes): Replace pass_profiling combo
5672 by branch_prob pass.
5673 * profile.c (compute_value_histograms): Update for simplified value
5675 (rtl_register_profile_hooks): Kill.
5676 (pass_profiling): Kill.
5677 (rest_of_handle_branch_prob): Do not profile.
5678 * toplev.c (process_options): Remove speculative prefetching.
5679 * toplev.h (flag_tree_based_profiling): Kill.
5680 * tree-profile.c (prepare_instrumented_value,
5681 tree_gen_interval_profiler, tree_gen_pow2_profiler,
5682 tree_gen_one_value_profiler, do_tree_profiling): Update for
5683 simplified datastructures.
5684 * value-prof.c: Add comment that speculative prefetching was dropped;
5685 update rest of file for simplified datastructures.
5686 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
5687 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
5688 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
5689 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
5690 rtl_mod_subtract, gen_speculative_prefetch,
5691 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
5692 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
5693 (gate_handle_value_profile_transformations,
5694 rest_of_handle_value_profile_transformations,
5695 pass_value_profile_transformations): Kill.
5696 * value-prof.h (histogram_value_t): Remove IL based unions.
5697 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
5698 rtl_profile_hooks): Remove hooks.
5700 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
5702 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
5703 (cgraph_clone_node): Likewise.
5704 * cgraph.h (cgraph_clone_edge): Update prototype.
5705 (cgraph_clone_node): Likewise.
5706 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
5708 (lookup_recursive_calls): Consider profile.
5709 (cgraph_decide_recursive_inlining): Fix updating; use new
5710 probability argument; use profile.
5711 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
5712 * tree-inline.c (copy_bb): Update clal of clone_edge.
5713 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
5715 * invoke.texi (min-inline-recursive-probability): Document.
5717 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
5719 * doc/install.texi (Configuration): Update Valgrind homepage.
5721 2005-07-28 Richard Henderson <rth@redhat.com>
5724 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
5725 labels we want to delete.
5726 (cfg_layout_merge_blocks): Likewise.
5728 2005-07-28 Richard Henderson <rth@redhat.com>
5731 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
5732 when expanding to nothing.
5734 2005-07-28 Josh Conner <jconner@apple.com>
5736 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
5737 (cgraph_decide_inlining_of_small_functions): Likewise.
5739 2005-07-28 Josh Conner <jconner@apple.com>
5741 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
5742 direction of badness if negative.
5743 (cgraph_default_inline_p): Add reason to parameters, and assign it
5745 (cgraph_decide_inlining_of_small_functions): New parameter in call
5746 to cgraph_default_inline_p.
5747 (cgraph_decide_inlining_incrementally): Likewise.
5748 * cgraphunit.c (decide_is_function_needed): Likewise.
5749 * cgraph.h (cgraph_default_inline_p): Likewise.
5751 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5753 * builtins.c: Fix comment typo(s).
5754 * genautomata.c: Likewise.
5755 * gimplify.c: Likewise.
5756 * tree-dfa.c: Likewise.
5757 * tree-flow-inline.h: Likewise.
5758 * tree-into-ssa.c: Likewise.
5759 * tree-ssa-alias.c: Likewise.
5760 * tree-ssa-ccp.c: Likewise.
5761 * tree-ssa-copy.c: Likewise.
5762 * tree-ssa-dce.c: Likewise.
5763 * tree-ssa-dom.c: Likewise.
5764 * tree-ssa-operands.c: Likewise.
5765 * tree-tailcall.c: Likewise.
5766 * tree-vectorizer.c: Likewise.
5767 * tree-vrp.c: Likewise.
5770 2005-07-28 Jeff Law <law@redhat.com>
5772 * tree-vrp.c (test_for_singularity): Extracted from ...
5773 (simplify_cond_using_ranges): Attempt to simplify a relational
5774 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
5776 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
5778 PR tree-optimization/22506
5779 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
5780 phis whose argument is constant.
5782 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
5784 PR rtl-optimization/18992
5785 Back out this patch:
5786 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5787 PR optimization/12142
5788 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
5789 uses of the register in the SET_SRC. Remove unnecessary argument.
5791 Replace it with this:
5792 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
5793 if flag_non_call_exceptions is set and the insn may trap, pass
5794 pc_rtx as dest for recursion.
5795 In SET_SRC part of SET case, if dest is already set, pass it down
5798 2005-07-28 Jan Hubicka <jh@suse.cz>
5800 * cfg.c (update_bb_profile_for_threading): Use RDIV.
5801 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
5802 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
5804 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
5805 profile when available.
5807 2005-07-28 Jan Beulich <jbeulich@novell.com>
5809 * config/ia64/ia64.c (ia64_load_pair_ok): New.
5810 (ia64_print_operand): Describe and handle 'X'.
5811 (ia64_register_move_cost): Also handle FP_REGS.
5812 (ia64_preferred_reload_class): Likewise.
5813 (ia64_secondary_reload_class): Likewise.
5814 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
5815 it. Also check for ITANIUM_CLASS_FLDP.
5816 * config/ia64/ia64.h (FP_REGNO_P): New.
5817 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
5818 (reg_class): Add FP_REGS.
5819 (REG_CLASS_NAMES): Adjust for it.
5820 (REG_CLASS_CONTENTS): Likewise.
5821 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
5822 (REG_CLASS_FROM_LETTER): Handle 'x'.
5823 (CLASS_MAX_NREGS): Handle FP_REGS.
5824 (MEMORY_MOVE_COST): Likewise.
5825 * config/ia64/ia64.md (itanium_class): Add fldp.
5826 (type): Handle fldp.
5827 (movti_internal): More allowable operand combinations. Use ldfp8 when
5828 splitting unnecessary. Remove predicable attribute. Adjust
5829 itanium_class attribute.
5830 (smuldi3_highpart): Remove outdated comment.
5831 (mulditi3, umulditi3, rotlti3): New expanders.
5832 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
5833 (absti2): Disabled new insn for future reference.
5834 Respective new splitters.
5835 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
5836 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
5837 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
5839 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
5841 PR rtl-optimization/23047
5842 * simplify-rtx.c (simplify_const_relational_operation): Respect
5843 flag_wrapv for comparisons with ABS.
5845 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
5847 PR tree-optimization/22493
5848 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
5849 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
5851 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
5853 * config/frv/frv.opt (moptimize-membar): New.
5855 * doc/invoke.texi: Document -moptimize-membar and its inverse.
5857 * config/frv/frv.h: Remove machine_function definition.
5859 * config/frv/frv.c (struct frv_io): New.
5860 (struct machine_function): Moved from frv.h. Add has_membar_p.
5861 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
5862 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
5863 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
5864 (frv_optimize_membar_global, frv_optimize_membar): New functions.
5865 (frv_reorg): Call frv_optimize_membar when appropriate.
5866 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
5867 (frv_expand_builtin): Adjust calls accordingly.
5868 (frv_io_address_cookie): New function.
5869 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
5870 load or store rather than a special insn. Add ccnstant address and
5871 io-type operands to the membar.
5872 (frv_ifcvt_modify_tests): Unsign regno.
5873 (frv_ifcvt_modify_tests): Same.
5875 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
5876 UNSPEC_OPTIONAL_MEMBAR constant.
5877 (builtin_read_<mode>): Delete.
5878 (builtin_write_<mode>): Delete.
5879 ("optional_membar_<mode>"): Add operand.
5881 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
5882 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
5883 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
5884 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
5885 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
5886 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
5887 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
5888 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
5889 * testsuite/gcc.target/frv/all-read-write-1.c: New.
5891 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
5893 * df.c (df_uses_record): Handle SCRATCH.
5895 2005-07-28 Steven Bosscher <stevenb@suse.de>
5898 * passes.c (rest_of_decl_compilation): If decl is a type and
5899 we have encountered errors, don't emit debug information.
5901 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5903 * params.def: Fixed comment.
5905 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
5908 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
5909 (TARGET_ASM_UNALIGNED_HI_OP): Add.
5910 (TARGET_ASM_UNALIGNED_SI_OP): Add.
5912 2005-07-27 Steven Bosscher <stevenb@suse.de>
5915 * varasm.c (assemble_start_function): Don't do anything that may
5916 require a CFG if the current function is a thunk.
5918 2005-07-25 Geoffrey Keating <geoffk@apple.com>
5920 * doc/install.texi (Prerequisites): Mention that perl is needed
5921 to do export control in libstdc++ targetting Darwin.
5923 2005-07-27 Steven Bosscher <stevenb@suse.de>
5925 PR rtl-optimization/17808
5926 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
5927 (sched_insns_conditions_mutex_p): Split out from...
5928 (add_dependence): ...here. But don't call it from here.
5929 (add_dependence_list): Check sched_insns_conditions_mutex_p
5930 before calling add_dependence.
5931 (add_dependence_list_and_free): Likewise.
5932 (fixup_sched_groups): Likewise.
5933 (sched_analyze_1): Likewise.
5934 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
5935 (sched_analyze): Likewise.
5936 (sched_analyze_insn): Likewise.
5937 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5938 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
5939 dependencies on all COND_EXEC insns to jumps ending basic blocks
5940 when doing intrablock scheduling.
5941 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
5943 2005-07-27 Jeff Law <law@redhat.com>
5945 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
5946 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
5947 equivalency sets, correctly handle the case were vr0 has an
5948 equivalency set, but vr1 does not.
5950 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
5952 PR tree-optimization/23073
5953 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
5954 vect_print_dump_info before fprintf.
5956 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5958 PR tree-optimize/22348
5959 * tree-ssa-loop-niter.c (number_of_iterations_cond):
5960 Fold the partial computation.
5962 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5964 PR tree-optimization/22325
5965 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
5967 * tree-scalar-evolution.c (scev_const_prop): Add generic final
5969 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
5970 (force_var_cost): ... this function.
5971 (compute_phi_arg_on_exit): Export.
5973 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5975 PR tree-optimization/20773
5976 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
5979 2005-07-27 Richard Guenther <rguenther@suse.de>
5981 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
5982 Avoid pushing again if current struct contains only
5983 fields we decomposed.
5985 2005-07-27 Jan Hubicka <jh@suse.cz>
5987 PR tree-optimization/22574
5988 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
5991 * tree-tailcall.c (decrease_profile): New function.
5992 (eliminate_tail_call): Use it.
5994 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
5995 visibility flags correctly in whole program mode.
5997 2005-07-26 Steve Ellcey <sje@cup.hp.com>
5999 PR rtl-optimization/22472
6000 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
6002 2005-07-26 Steven Bosscher <stevenb@suse.de>
6004 PR tree-optimization/22504
6005 * tree-complex.c (expand_complex_addition): Use 'code' instead
6006 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
6008 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
6010 * config.gcc (cpu_type): Add frv case.
6011 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
6012 (supported_defaults): Add fr550 case.
6014 2005-07-26 Diego Novillo <dnovillo@redhat.com>
6017 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
6018 whether a pointer of type T * may point to objects of type T *.
6020 2005-07-26 DJ Delorie <dj@redhat.com>
6022 * configure: Regenerate.
6024 2005-07-26 Dale Johannesen <dalej@apple.com>
6026 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
6028 2005-07-26 Mark Mitchell <mark@codesourcery.com>
6030 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
6031 Clarify use of "build" in name.
6033 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
6035 * doc/extend.texi (Raw read/write Functions): New section.
6036 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
6037 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
6038 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
6039 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
6040 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
6041 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
6042 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
6043 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
6044 * config/frv/frv.c: Add bdesc_loads global.
6045 Add bdesc_stores global.
6046 (frv_init_builtins): Add support for __builtin_{read/write}*.
6047 (frv_volatile_memref): New.
6048 (frv_expand_load_builtin): New.
6049 (frv_expand_store_builtin): New.
6050 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
6051 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
6052 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
6053 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
6054 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
6055 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
6056 (builtin_read_<mode>): New.
6057 (builtin_write_<mode>): New.
6058 (builtin_write64): New.
6059 (optional_membar_<mode>): New.
6061 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
6063 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
6064 (rather than units) against HOST_BITS_PER_WIDE_INT.
6066 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
6068 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
6069 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
6070 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
6071 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
6074 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
6075 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
6076 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
6078 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
6080 2005-07-26 Richard Guenther <rguenther@suse.de>
6082 PR tree-optimization/22486
6083 * fold-const.c (fold_unary): Fold away useless component
6084 references of the form (T *)&T.x, if the address
6087 2005-07-25 James E Wilson <wilson@specifixinc.com>
6089 * dwarf2out.c (add_call_src_coords_attributes): New.
6090 (gen_inlined_subroutine_die): Call it.
6091 (maybe_emit_file, init_file_table): Add comments.
6092 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
6094 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
6095 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
6096 * tree.h (BLOCK_SOURCE_LOCATION): New.
6097 (struct tree_block): New field locus.
6099 2005-07-26 Andreas Schwab <schwab@suse.de>
6101 PR rtl-optimization/23043
6102 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
6103 when allocating a struct unoccr.
6105 2005-07-25 Richard Henderson <rth@redhat.com>
6108 * tree-complex.c (gate_no_optimization): True if errors.
6109 * Makefile.in (tree-complex.o): Update dependencies.
6111 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
6113 * config/frv/predicates.md (integer_register_operand): Use
6116 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
6119 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
6121 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
6123 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
6125 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
6126 types when flag_unsafe_math_optimizations is true.
6128 2005-07-25 Mark Mitchell <mark@codesourcery.com>
6130 * gcc.c (option_map): Add --sysroot.
6131 (process_command): Handle --sysroot.
6132 (display_help): Document it.
6133 * doc/cppopts.tex (-isysroot): Document.
6134 * doc/invoke.texi (--sysroot): Document.
6135 * doc/install.texi (--with-build-sysroot): Document.
6137 * Makefile.in (inhibit_libc): New variable.
6138 (INHIBIT_LIBC_CFLAGS): Likewise.
6139 (LIBGCC2_CFLAGS): Include
6140 $(INHIBIT_LIBC_CFLAGS).
6141 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
6142 ($(T)crtbegin.o): Do not use @inhibit_libc@.
6143 ($(T)crtend.o): Likewise.
6144 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
6145 ($(T)crtendS.o): Likewise.
6146 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
6147 ($(T)crtendT.o): Likewise.
6148 (stmp-fixinc): Do not complain about missing headers if
6150 * configure.ac (inhibit_libc): Set it to true/false.
6151 (--with-build-sysroot): New option. Use it to set
6153 * configure: Regenerated.
6155 2005-07-25 Manfred Hollstein <mh@suse.com>
6157 * calls.c (store_one_arg): Fix unsigned comparison warning.
6159 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
6162 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
6163 (ggc_print_statistics): Initialize variable before use.
6165 2005-07-25 Richard Guenther <rguenther@suse.de>
6167 * tree-dfa.c (mark_new_vars_to_rename): Protect against
6168 calling with a PHI_NODE argument.
6170 * tree-flow-inline.h (overlap_subvar): Protect against
6173 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
6175 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
6176 * configure: Regenerate.
6178 2005-07-25 Ira Rosen <irar@il.ibm.com>
6180 * expr.c (highest_pow2_factor): Make extern.
6181 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
6182 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
6183 record_array_differ_p, array_ptr_differ_p): Likewise.
6184 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
6185 additional cases. Call the above functions.
6186 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
6187 base_object_differ_p when there are two base objects. Otherwise, compare
6188 base address and offset. Call may_alias_p.
6189 (dump_data_reference): Use a correct field name.
6190 (analyze_array): Make static. Initialize new data-ref fields.
6191 (analyze_indirect_ref): New function.
6192 (init_data_ref): Initialize new data-ref fields.
6193 (strip_conversion): Moved from tree-vect-analyze.c.
6194 (analyze_offset_expr, get_ptr_offset, address_analysis,
6195 object_analysis): Likewise.
6196 (analyze_offset): New function.
6197 (create_data_ref): Likewise.
6198 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
6199 dimensions for ARRAY_REFs only.
6200 (build_classic_dist_vector): Make static.
6201 (access_functions_are_affine_or_constant_p): Call macro to get the
6202 address of access functions.
6203 (compute_all_dependences): Add new parameter
6204 compute_self_and_read_read_dependences. Compute self and read-read
6205 dependences if it is true.
6206 (find_data_references_in_loop): Call create_data_ref. Initialize new
6208 (compute_data_dependences_for_loop): Add new parameter
6209 compute_self_and_read_read_dependences. Remove parameter nb_loops,
6210 compute nb_loops. Call compute_all_dependences,
6211 build_classic_dist_vector and build_classic_dir_vector with correct
6213 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
6214 with correct parameters. Compare dimensions for ARRAY_REFs only.
6215 (free_data_refs): Call macro to free access functions.
6216 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
6217 fields from stmt_vinfo.
6218 (struct base_object_info): New structure.
6219 (struct data_reference): Move fields to base_object_info. Add fields
6220 first_location and object_info for above structures. Move fields from
6221 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
6222 aligned_to. Add macros to access the new fields.
6223 Update functions declarations.
6224 * tree-flow.h (is_aliased_with): Declare.
6225 * tree-loop-linear.c (linear_transform_loops): Call
6226 compute_data_dependences_for_loop with correct parameters.
6227 * tree-ssa-alias.c (is_aliased_with): New function.
6228 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
6229 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
6230 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
6231 vect_base_addr_differ_p, compute_subscript_distance and
6232 build_classic_dist_vector. Add printings. Check absolute value of
6234 (vect_analyze_data_ref_dependences): Go through ddrs instead of
6236 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
6237 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
6238 to bytes. Add printing.
6239 (vect_compute_data_refs_alignment): Go through loads and stores in one
6241 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
6242 vect_analyze_data_ref_access): Likewise.
6243 (vect_analyze_pointer_ref_access): Remove.
6244 (vect_address_analysis, vect_object_analysis): Likewise.
6245 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
6246 and analyze data-refs in the loop.
6247 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
6248 fields of data-ref instead of stmt. Add init to the offset from the
6250 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
6251 (vect_update_init_of_dr): Likewise.
6252 (vect_update_inits_of_drs): Go through loads and stores in one loop.
6253 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
6255 (new_loop_vec_info): Initialize new fields.
6256 (destroy_loop_vec_info): Free new fields.
6257 (vect_strip_conversion): Remove.
6258 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
6259 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
6260 datarefs. Add new field ddrs.
6261 Add macros for the new fields access.
6262 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
6263 base_aligned_p, misalignment, memtag, ptr_info and subvars.
6264 Remove their macros.
6265 * tree.h (highest_pow2_factor): Declare.
6267 2005-07-25 Jakub Jelinek <jakub@redhat.com>
6269 * calls.c (store_one_arg): Check for sibling call MEM arguments
6270 from already clobbered incoming argument area.
6272 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6274 * c-common.c (check_missing_format_attribute): New.
6275 * c-common.h (check_missing_format_attribute): Likewise.
6276 * c-typeck.c (convert_for_assignment): Use it.
6278 2005-07-24 Andreas Schwab <schwab@suse.de>
6280 * config/m68k/m68k.md ("extendqidi2"): When source is an address
6281 register use a word move. Correct operand of ext.w in 68000 code.
6283 2005-07-23 Mark Mitchell <mark@codesourcery.com>
6285 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
6286 variables as declarations, rather than definitions.
6288 2005-07-24 Ira Rosen <irar@il.ibm.com>
6290 PR tree-optimization/22526
6291 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
6294 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6296 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
6297 that C99 reserve for future use. Use it to define clog10,
6298 clog10f and clog10l.
6300 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6302 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
6303 * configure.ac: Check for -Wmissing-format-attribute.
6305 * configure: Regenerate.
6307 2005-07-23 Richard Henderson <rth@redhat.com>
6309 PR tree-optimization/22623
6310 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
6312 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
6315 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
6317 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6319 * Makefile.in (C_TREE_H): Update dependencies.
6320 * c-tree.h: Include toplev.h.
6321 * diagnostic.h (diagnostic_set_info): Add format attribute.
6322 * rtl-error.c (diagnostic_for_asm): Likewise.
6324 2005-07-23 Chao-ying Fu <fu@mips.com>
6326 * config/mips/mips-dsp.md: New file.
6327 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
6328 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
6330 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
6331 MIPS_BUILTIN_BPOSGE32.
6332 (mips_expand_builtin_direct): Add one parameter to indicate that
6333 builtin functions need to return a value.
6334 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
6336 (mips_regno_to_class): Add classes for 12 new DSP registers.
6337 (mips_subword): Change to check four HI registers.
6338 (mips_output_move): Output move to and from 6 new DSP accumulators.
6339 (override_options): Make sure -mdsp and -mips16 are not used together.
6340 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
6342 (mips_conditional_register_usage): Disable 6 new DSP accumulators
6344 (print_operand): Add 'q' for printing DSP accumulators.
6345 (mips_cannot_change_mode_class): Check ACC_REGS.
6346 (mips_secondary_reload_class): Check ACC_REGS.
6347 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
6348 (mips_register_move_cost): Check ACC_REGS.
6349 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
6350 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
6351 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
6352 (dsp_bdesc): New array.
6353 (bdesc_arrays): Add DSP builtin function table.
6354 (mips_prepare_builtin_arg): Check predicate again after
6356 (mips_expand_builtin): Add one more parameter to
6357 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
6358 MIPS_BUILTIN_BPOSGE32.
6359 (mips_init_builtins): Initialize new function types.
6360 (mips_expand_builtin_direct): Check if builtin functions need to
6361 return a value and pass operands properly.
6362 (mips_expand_builtin_bposge): New function.
6363 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
6364 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
6365 (FIRST_PSEUDO_REGISTER): Increase to 188.
6366 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6367 Update for 12 new DSP registers.
6368 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
6369 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
6370 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
6371 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
6372 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
6373 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
6374 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
6375 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
6376 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
6377 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
6378 (REGISTER_NAMES): Add names for 12 new DSP registers.
6379 * config/mips/mips.md: Include mips-dsp.md.
6380 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
6381 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
6382 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
6383 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
6384 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
6385 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
6386 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
6387 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
6388 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
6389 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
6390 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
6391 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
6392 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
6393 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
6394 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
6395 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
6396 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
6397 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
6398 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
6399 (UNSPEC_RDDSP): New constants.
6400 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
6401 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
6403 * config/mips/mips.opt (-mdsp): New option.
6404 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
6405 (reg_imm10_operand): New predicates.
6406 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
6407 * doc/invoke.texi (-mdsp): Document new option.
6409 2005-07-22 DJ Delorie <dj@redhat.com>
6411 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
6413 * tree-inline.c (inlinable_function_p): Likewise.
6415 2005-07-22 Mark Mitchell <mark@codesourcery.com>
6418 * toplev.c (check_global_declarations): Do not mark undefined
6419 variables as DECL_IGNORED_P.
6420 * varasm.c (first_global_object_name): GTY it.
6421 (weak_global_object_name): Likewise.
6422 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
6423 a string to go into {weak,first}_global_object_name.
6425 2005-07-22 DJ Delorie <dj@redhat.com>
6427 * c-format.c (check_function_format): Change warning control
6428 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
6430 2005-07-22 Diego Novillo <dnovillo@redhat.com>
6432 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
6433 &PTR->FLD a dereference of PTR.
6434 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
6435 a potential dereference of PTR.
6437 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
6439 PR rtl-optimization/20370
6440 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
6441 call allocate_reg_info if necessary.
6443 PR rtl-optimization/21848
6444 * calls.c (emit_library_call_value_1): For const functions, add
6445 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
6447 PR rtl-optimization/22445
6448 * cselib.c (target.h): Include.
6449 (rtx_equal_for_cselib_p): Allow commutative matches.
6450 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
6451 Remove MODE parameter. Changed all callers.
6453 PR rtl-optimization/22258
6454 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
6456 (try_combine): Use likely_spilled_retval_p.
6458 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
6460 * config.gcc: Add crx-elf support.
6462 * doc/contrib.texi: Mention crx.
6463 * doc/extend.texi: Document crx extensions.
6464 * doc/install.texi: Document crx install.
6465 * doc/invoke.texi: Document crx options.
6466 * doc/md.texi: Document crx constraints.
6468 * config/crx/crx-protos.h: New file.
6469 * config/crx/crx.c: New file.
6470 * config/crx/crx.h: New file.
6471 * config/crx/crx.md: New file.
6472 * config/crx/crx.opt: New file.
6473 * config/crx/t-crx: New file.
6475 2005-07-22 Manfred Hollstein <mh@suse.com>
6477 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
6479 (int_add_graph_edge): Likewise.
6480 (collapse_nodes): Likewise.
6481 (process_unification_queue): Likewise.
6483 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6484 Laurent GUERBY <laurent@guerby.net>
6486 PR tree-optimization/22336
6487 * function.c (record_block_change): Check for
6488 cfun->ib_boundaries_block.
6490 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
6492 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
6493 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
6495 2005-07-21 DJ Delorie <dj@redhat.com>
6497 * toplev.c (warn_deprecated_use): Add warning control to warning
6499 * c-typeck.c (parser_build_binary_op): Likewise.
6500 (c_finish_if_stmt): Likewise.
6501 * c-common.c (check_function_sentinel): Likewise.
6502 (check_nonnull_arg): Likewise.
6504 2005-07-21 Richard Henderson <rth@redhat.com>
6507 * tree-complex.c (complex_ssa_name_components): New.
6508 (cvc_lookup): Allow entry not found.
6509 (create_components): Remove.
6510 (create_one_component_var, get_component_var): New.
6511 (get_component_ssa_name, set_component_ssa_name): New.
6512 (extract_component): Use get_component_ssa_name.
6513 (update_complex_components): Use set_component_ssa_name.
6514 (update_complex_components_on_edge): Likewise.
6515 (update_phi_components): Create new PHI nodes directly, instead
6516 of adding insns to edges.
6517 (tree_lower_complex): Allocate and free complex_variable_components
6518 and complex_ssa_name_components here.
6520 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
6522 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
6523 revert to returning false.
6525 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6528 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
6530 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6533 * config/i386/i386.md (cmpxf): Change operand constraints
6534 to "nonmemory_operand".
6536 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6538 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
6540 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6543 * fold-const.c (fold_build1): Add checksum for the operands.
6544 (fold_build2): Likewise.
6545 (fold_build3): Likewise.
6547 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6550 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
6552 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6554 * common.opt (-fforward-propagate): Committed by mistake,
6557 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6559 * reg-stack.c: Fix comment typo(s).
6560 * tree-ssa-operands.c: Likewise.
6561 * tree-vectorizer: Likewise.
6563 2005-07-21 Nick Clifton <nickc@redhat.com>
6565 * config/sh/symbian.c: Replace C++ style line comments with C
6566 style line comments.
6567 (symbian_add_attribute): Do not use a ? operator on the LHS of
6569 (sh_symbian_handle_dll_attribute): Change the type of the
6570 method vector to "VEC(tree,gc)*" and use vector accessor
6571 macros to walk over the elements.
6572 (symbian_export_vtable_and_rtti_p): Likewise.
6573 (symbian_class_needs_attribute_p): Likewise.
6575 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6578 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
6579 initialize targetm.resolve_overloaded_builtin here.
6580 (altivec_expand_overloaded_builtin): Make it non-static.
6581 * config/rs6000/rs6000-protos.h
6582 (altivec_expand_overloaded_builtin): New prototype.
6583 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
6584 targetm.resolve_overloaded_builtin here.
6585 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
6587 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6588 Zdenek Dvorak <dvorakz@suse.cz>
6590 PR tree-optimization/19210
6591 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
6593 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
6594 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
6595 rely on unproven assumptions.
6596 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
6597 * tree-flow.h (number_of_iterations_exit): Add final parameter.
6598 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
6599 to number_of_iterations_exit.
6600 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
6601 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
6602 * tree-ssa-loop-niter.c (find_loop_niter,
6603 estimate_numbers_of_iterations_loop): Likewise.
6604 (number_of_iterations_exit): Honor the new options.
6605 * doc/invoke.texi (Wunsafe-loop-optimizations,
6606 funsafe-loop-optimizations): Document them.
6608 2005-07-21 Richard Sandiford <richard@codesourcery.com>
6610 PR rtl-optimization/22167
6611 * gcse.c (hoist_code): Fix hoist_exprs[] check.
6613 2005-07-20 Adam Nemet <anemet@lnxw.com>
6615 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
6616 __do_global_dtors_aux longcall.
6618 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
6620 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
6621 (old_special_pred_table): Don't reference
6622 SPECIAL_MODE_PREDICATES.
6623 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
6624 * config/arc/arc.h: Don't mention PREDICATE_CODES.
6625 * config/sh/predicates.h: Don't mention
6626 SPECIAL_MODE_PREDICATES.
6627 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
6630 2005-07-20 DJ Delorie <dj@redhat.com>
6632 * config.gcc: Add m32c-elf support.
6634 * doc/contrib.texi: Mention m32c.
6635 * doc/extend.texi: Document m32c extensions.
6636 * doc/install.texi: Mention m32c.
6637 * doc/invoke.texi: Document m32c options.
6638 * doc/md.texi: Document m32c constraints.
6640 * config/m32c/addsub.md: New file.
6641 * config/m32c/bitops.md: New file.
6642 * config/m32c/cond.md: New file.
6643 * config/m32c/jump.md: New file.
6644 * config/m32c/m32c-lib1.S: New file.
6645 * config/m32c/m32c-lib2.c: New file.
6646 * config/m32c/m32c-modes.def: New file.
6647 * config/m32c/m32c-pragma.c: New file.
6648 * config/m32c/m32c-protos.h: New file.
6649 * config/m32c/m32c.abi: New file.
6650 * config/m32c/m32c.c: New file.
6651 * config/m32c/m32c.h: New file.
6652 * config/m32c/m32c.md: New file.
6653 * config/m32c/m32c.opt: New file.
6654 * config/m32c/minmax.md: New file.
6655 * config/m32c/mov.md: New file.
6656 * config/m32c/muldiv.md: New file.
6657 * config/m32c/predicates.md: New file.
6658 * config/m32c/prologue.md: New file.
6659 * config/m32c/shift.md: New file.
6660 * config/m32c/t-m32c: New file.
6662 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6664 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6665 (stack_protect_set, stack_protect_test): New expanders.
6666 (stack_protect_set_si, stack_protect_set_si_media,
6667 stack_protect_set_di_media, stack_protect_test_si,
6668 stack_protect_test_si_media, stack_protect_test_di_media):
6671 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
6673 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
6675 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
6677 * tree.h (tree_expr_nonzero_p): Export.
6678 * fold-const.c (tree_expr_nonzero_p): Likewise.
6679 Return true for CALL_EXPRs that are alloca calls.
6680 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
6682 * tree-flow.h (expr_computes_nonzero): Remove.
6683 * tree-vrp.c (expr_computes_nonzero): Remove.
6684 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
6685 (extract_range_from_unary_expr): Likewise.
6686 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
6687 tree_expr_nonzero_p.
6689 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
6691 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
6692 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
6693 extra arg "picreg" and use it instead of pic_offset_table_rtx.
6694 All callers changed.
6695 (frame_related_constant_load): New arg "related" which controls
6696 setting of RTX_FRAME_RELATED_P. All callers changed.
6697 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
6698 (bfin_expand_prologue): Add stack limit checking.
6699 * config/bfin/bfin.md (trapifcc): New pattern.
6701 * config/bfin/bfin.c: Include "langhooks.h".
6702 (def_builtin): Go through lang_hooks to call builtin_function.
6704 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
6705 * config/bfin/predicates.md (symbol_ref_operand): New.
6706 (call_insn_operand): Delete. All callers changed to use
6707 register_no_elim_operand.
6708 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
6710 (function_arg): Use it to generate the call's operand 2.
6711 (bfin_longcall_p): New function.
6712 (bfin_expand_call): Extra arg "cookie". All callers and declaration
6713 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
6714 determine if the address needs to be in a REG.
6715 (bfin_handle_longcall_attribute): New function.
6716 (bfin_attribute_table): Add "longcall" and "shortcall".
6717 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
6718 (CUMULATIVE_ARGS): New member call_cookie.
6719 (PREDICATE_CODES): Add symbol_ref_operand.
6720 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
6721 extra USE to the pattern.
6722 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
6723 New patterns, split off call_insn, sibcall_insn, call_value_insn and
6724 sibcall_value_insn; now the new patterns handle direct calls and the
6725 old ones indirect calls.
6726 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
6728 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
6730 * doc/trouble.texi: Update section on handling of empty loops.
6732 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
6734 * config.gcc: Remove support for sparc-*-openbsd*,
6735 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
6737 * config.host: Remove support for i860-*-sysv4* as a host.
6738 * config/i860/*, config/ip2k/*, config/ns32k/*,
6739 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
6740 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
6741 mention obsolete ports.
6743 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6745 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
6747 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
6748 of frame_pointer_rtx.
6749 (sh_expand_epilogue): Likewise.
6750 (sh_set_return_address): Likewise.
6751 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
6752 instead of FRAME_POINTER_REGNUM if needed. Add elimination
6753 offsets from FRAME_POINTER_REGNUM.
6754 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
6755 (sh_register_names): Add initializer for sfp.
6756 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
6757 (VALID_REGISTER_P): Likewise.
6758 (FIRST_PSEUDO_REGISTER): Update.
6759 (DWARF_FRAME_REGISTERS): Define.
6760 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
6761 (HARD_FRAME_POINTER_REGNUM): Define.
6762 (FRAME_POINTER_REGNUM): Redefine.
6763 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
6764 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
6765 from FRAME_POINTER_REGNUM.
6766 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
6767 FRAME_POINTER_REGNUM.
6768 (REG_CLASS_CONTENTS): Add sfp.
6769 (REG_ALLOC_ORDER): Likewise.
6770 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
6771 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
6772 of frame_pointer_rtx.
6773 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
6775 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
6777 * fold-const.c (tree_expr_nonnegative_p): Only return true for
6778 ABS_EXPR when flag_wrapv is false because of INT_MIN.
6779 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
6781 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
6784 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
6786 Make CONSTRUCTOR use VEC to store initializers.
6787 * c-common.c (complete_array_type): Update to cope with VEC in
6789 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
6790 (pp_c_constructor_elts): New function.
6791 * c-pretty-print.h (pp_c_constructor_elts): Declare.
6792 * c-typeck.c (build_function_call, build_c_cast, digest_init,
6793 struct constructor_stack, struct initializer_stack,
6794 constructor_elements, push_init_level, pop_init_level,
6795 add_pending_init, find_init_member, output_init_element): Update to
6796 cope with VEC in CONSTRUCTOR_ELTS.
6797 * coverage.c (build_fn_info_value, build_ctr_info_value,
6798 build_gcov_info): Likewise.
6799 * expr.c (categorize_ctor_elements_1, store_constructor,
6800 expand_expr_real_1): Likewise.
6801 * fold-const.c (fold_ternary): Likewise.
6802 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
6803 gimplify_init_constructor, gimplify_expr): Likewise.
6804 * tree-dump.c (dequeue_and_dump): Likewise.
6805 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
6807 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
6809 * tree-sra.c (generate_element_init_1): Likewise.
6810 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
6811 * tree-ssa-operands.c (get_expr_operands): Likewise.
6812 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
6813 * tree-vect-transform.c (vect_get_vec_def_for_operand):
6814 (get_initial_def_for_reduction): Likewise.
6815 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
6816 value handle in annotations.
6817 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
6818 tree_node_structure): Add support for constr_kind.
6819 (build_vector_from_ctor, build_constructor_single,
6820 build_constructor_from_list): New functions.
6821 (build_constructor): Update to take a VEC instead of a TREE_LIST.
6822 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
6823 Update to cope with VEC in CONSTRUCTOR_ELTS.
6824 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
6825 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
6826 CONSTRUCTOR_APPEND_ELT): New macros.
6827 (struct constructor_elt, struct tree_constructor): New data types.
6828 (union tree_node): Add tree_constructor field.
6829 * treestruct.def: Define TS_CONSTRUCTOR.
6830 * varasm.c (const_hash_1, compare_constant, copy_constant,
6831 compute_reloc_for_constant, output_addressed_constants,
6832 initializer_constant_valid_p, output_constant,
6833 array_size_for_constructor, output_constructor): Update to cope with
6834 VEC in CONSTRUCTOR_ELTS.
6835 * vec.h (VEC_empty, VEC_copy): New macros.
6837 2005-07-19 Devang Patel <dpatel@apple.com>
6839 * dbxout.c (dbxout_type): Check Objective-C++ lang.
6841 2005-07-19 Richard Henderson <rth@redhat.com>
6844 * gimplify.c (gimplify_expr): Use main variant type for the temp
6845 destination for a discarded volatile read.
6846 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
6847 casts between non-void types that change volatility.
6849 2005-07-15 DJ Delorie <dj@redhat.com>
6851 * toplev.h: Add comment about the first parameter for warning().
6852 * errors.h: Likewise.
6854 * c.opt (Wpragmas): New.
6855 * doc/invoke.texi: Document it.
6857 * function.c (do_warn_unused_parameter): Add warning control to
6859 * c-decl.c (warn_if_shadowing): Likewise.
6860 * c-lex.c (cb_def_pragma): Likewise.
6861 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
6862 (pop_alignment): Likewise.
6863 (handle_pragma_pack): Likewise.
6864 (apply_pragma_weak): Likewise.
6865 (handle_pragma_weak): Likewise.
6866 (handle_pragma_redefine_extname): Likewise.
6867 (add_to_renaming_pragma_list): Likewise.
6868 (handle_pragma_extern_prefix): Likewise.
6869 (maybe_apply_renaming_pragma): Likewise.
6870 (handle_pragma_visibility): Likewise.
6872 * config/c4x/c4x-c.c (BAD): Likewise.
6873 (c4x_parse_pragma): Likewise.
6874 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
6875 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
6876 (rs6000_pragma_longcall): Likewise.
6877 * config/v850/v850-c.c (pop_data_area): Likewise.
6878 (ghs_pragma_section): Likewise.
6879 (ghs_pragma_section): Likewise.
6880 (ghs_pragma_interrupt): Likewise.
6881 (ghs_pragma_starttda): Likewise.
6882 (ghs_pragma_startsda): Likewise.
6883 (ghs_pragma_startzda): Likewise.
6884 (ghs_pragma_endtda): Likewise.
6885 (ghs_pragma_endsda): Likewise.
6886 (ghs_pragma_endzda): Likewise.
6888 2005-07-19 Danny Berlin <dberlin@dberlin.org>
6889 Kenneth Zadeck <zadeck@naturalbridge.com>
6891 * Makefile.in: Removed tree-promote-statics.c
6892 * tree-promote-statics.c: Removed.
6893 * common.opt: Removed flag-promote-statics.
6895 * passes.c: Removed tree-promote-statics pass.
6896 * tree-pass.h: Ditto.
6897 * timevar.def: Removed TV_PROMOTE_STATICS.
6900 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
6902 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
6904 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
6906 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6909 * c-common.c (check_function_arguments): Call
6910 'check_function_format' if either -Wformat or
6911 -Wmissing-format-attribute are specified.
6912 * c-format.c (check_function_format): Check -Wformat before
6913 calling 'check_format_info'.
6914 * c-opts.c (c_common_post_options): Don't warn for
6915 -Wmissing-format-attribute without -Wformat.
6916 * c-typeck.c (convert_for_assignment): Detect additional cases for
6917 -Wmissing-format-attribute.
6918 * doc/invoke.texi (-Wmissing-format-attribute): Document new
6921 2005-07-19 Richard Guenther <rguenther@suse.de>
6923 * config/i386/i386.md (lrint<mode>2): Use temporary
6924 instead of clobbering non-existent memory.
6926 2005-07-19 Nick Clifton <nickc@redhat.com>
6928 * config/avr/avr.c (legitimate_address_p): Fix debugging print
6929 statement to avoid displaying ASCII control characters.
6931 2005-07-19 Ben Elliston <bje@au.ibm.com>
6933 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
6934 * cfganal.c (find_edge_index): Ditto.
6935 * combine.c (combine_instructions): Ditto.
6936 * ddg.c (create_scc): Ditto.
6937 (find_successors): Ditto.
6938 (find_predecessors): Ditto.
6939 (find_nodes_on_paths): Ditto.
6940 (longest_simple_path): Ditto.
6941 * flow.c (update_life_info): Ditto.
6942 (count_or_remove_death_notes): Ditto.
6943 (clear_log_links): Ditto.
6944 * modulo-sched.c (generate_reg_moves): Ditto.
6945 (find_max_asap): Ditto.
6946 (find_max_hv_min_mob): Ditto.
6947 (find_max_dv_min_mob): Ditto.
6948 * sbitmap.c (sbitmap_first_set_bit): Ditto.
6949 * sched-rgn.c (extract_edgelst): Ditto.
6950 * tree-into-ssa.c (prepare_names_to_update): Ditto.
6951 (dump_update_ssa): Ditto.
6952 (ssa_names_to_replace) Ditto.
6953 (switch_virtuals_to_full_rewrite): Ditto.
6954 (update_ssa): Ditto.
6955 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
6957 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
6959 Fix PR tree-optimization/22483
6961 * tree-complex.c (create_components): Use
6962 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
6963 * tree-flow-inline.h (fill_referenced_var_vec): New function.
6964 * tree-flow.h (safe_referenced_var_iterator): New structure.
6965 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
6966 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
6967 safe_referenced_var iterator.
6968 (add_type_alias): Ditto.
6970 2005-07-19 Steven Bosscher <stevenb@suse.de>
6972 * loop-init.c (rest_of_handle_loop2): Remove.
6973 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
6974 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
6975 (pass_rtl_loop_init, pass_rtl_loop_done,
6976 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
6977 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
6978 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
6979 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
6980 pass_tree_loop_done, and pass_tree_unswitch.
6981 (gate_loop): Rename to gate_tree_loop.
6982 * passes.c (init_optimization_passes): Update for renamed tree
6983 loop passes. Add the new loop2 passes as subpasses of loop2.
6984 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
6985 Update for the renamed tree loop passes.
6987 2005-07-18 Ian Lance Taylor <ian@airs.com>
6990 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
6991 blocks when optimizing.
6993 2005-07-18 Steve Ellcey <sje@cup.hp.com>
6995 * common.opt (frename-registers): Initialize to 2.
6997 (fgcse-after-reload): Ditto.
6998 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
6999 (process_options): Only change flag_web, flag_rename_registers,
7000 and flag_rerun_cse_after_loop if not explicitly set by user.
7002 2005-07-18 Jan Beulich <jbeulich@novell.com>
7004 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
7005 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
7006 in 64-bit mode the same as DImode in 32-bit mode.
7007 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
7008 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
7009 mode. Add new mode parameter.
7010 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
7011 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
7012 x86_64_shift_adj): New expanders.
7013 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
7014 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
7016 Respective new splitters. Use renamed shift splitter helpers in 32-bit
7017 DImode shift splitters.
7018 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
7019 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
7022 2005-07-18 Jan Beulich <jbeulich@novell.com>
7024 * i386.md (movdi_extzv_1): New.
7025 (zero_extendhidi2): Combine alternatives and never force use of
7027 (zero_extendqidi2): Likewise. Don't restrict input selection.
7029 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7031 Fix PR tree-optimization/22531
7032 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
7035 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7037 * tree-promote-statics.c (pass_promote_statics): Change dump file
7040 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7042 * tree-optimize.c (init_tree_optimization_passes): Add
7043 pass_eliminate_useless_stores pass.
7044 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
7045 * tree-ssa-pre.c (is_copy_stmt): New function.
7046 (follow_copies_till_vuse): Ditto.
7047 (do_eustores): Ditto.
7048 (gate_eustores): Ditto.
7050 2005-07-16 Richard Henderson <rth@redhat.com>
7052 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
7054 2005-07-16 Danny Berlin <dberlin@dberlin.org>
7055 Kenneth Zadeck <zadeck@naturalbridge.com>
7057 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
7058 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
7059 ipa-type-escape.h, tree-promote-statics.c
7060 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
7061 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
7062 tree-promote-statics.c: new files.
7063 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
7064 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
7065 int nonlocal_set_p, mark_constant_function): Deleted.
7066 (rest_of_handle_cfg): Removed call to mark_constant_function.
7067 (nonoverlapping_component_refs_p): Added calls to support
7068 type based aliasing.
7069 * tree-ssa-alias.c (may_alias_p,
7070 compute_flow_insensitive_aliasing): Ditto.
7071 * calls.c (flags_from_decl_or_type): Removed reference to
7073 * c-typeck.c (convert_arguments): Make builtins tolerant of having
7074 too many arguments. This is necessary for Spec 2000.
7075 * cgraph.h (const_function, pure_function): Removed.
7076 * common.opt: Added "fipa-pure-const", "fipa-reference",
7077 "fipa-type-escape", and "ftree-promote-static".
7079 * passes.c: Added ipa and tree-promote-statics passes.
7080 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
7081 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
7082 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
7083 * tree-flow.h: Added exposed sra calls and addition of
7084 reference_vars_info field for FUNCTION_DECLS.
7085 * tree-pass.h: Added passes.
7086 * tree-sra.c: (sra_init_cache): New function.
7087 (sra_insert_before, sra_insert_after) Made public.
7088 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
7090 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
7091 aliasing. (may_alias_p): Added code to use type escape analysis to
7093 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
7094 code to prune clobbers of static variables based on information
7095 produced in ipa-reference pass. Changed call clobbering so that
7096 statics are not marked as clobbered if the call does not clobber
7099 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
7101 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
7104 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7106 * doc/install.texi (*-*-solaris2*): Document recommended version
7107 of GNU binutils and mention GNU linker problem on Solaris 10.
7109 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
7112 * c-decl.c (c_build_bitfield_integer_type): New function.
7113 (finish_struct): Call it.
7114 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
7116 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7118 * c-typeck.c (digest_init): Call 'convert_for_assignment'
7121 2005-07-16 Jan Hubicka <jh@suse.cz>
7123 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
7124 (scale_bbs_frequencies_int): Watch roundoff errors.
7125 * predict.c (return_prediction): Initialize return_stmt.
7127 2005-07-16 Jan Hubicka <jh@suse.cz>
7129 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
7130 after RTL profiling.
7132 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
7135 * fold-const.c (build_range_check): Convert high/low to etype
7136 if we are only comparing against exp.
7138 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
7140 Fix PR tree-optimization/22376
7141 * tree-ssa-structalias.c (build_constraint_graph): We really meant
7143 (need_to_solve): New function.
7144 (compute_points_to_sets): Use it.
7146 2005-07-15 Jan Hubicka <jh@suse.cz>
7148 * cfg.c (update_bb_profile_for_threading): More diagnostic.
7149 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
7151 2005-07-15 Richard Guenther <rguenther@suse.de>
7153 * c-common.c (handle_flatten_attribute): New function.
7154 Add flatten function attribute.
7155 * doc/extend.texi: Document flatten function attribute.
7156 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
7157 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
7159 (cgraph_decide_inlining): Handle functions with flatten
7162 2005-07-14 David Edelsohn <edelsohn@gnu.org>
7164 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
7165 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
7166 UNSPEC_XCHG, UNSPEC_AND): New.
7167 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
7168 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
7169 * config/rs6000/sync.md (FETCHOP): New code macro.
7170 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
7172 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
7173 (sync_compare_and_swap<mode>): Same.
7174 (sync_lock_test_and_set<mode>): Same.
7175 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
7176 for QImode and HImode, and not PPC405.
7177 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
7178 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
7179 (sync_<fetchop>{si,di}_internal): New.
7180 (sync_nand{si,di}_internal): New.
7181 (sync_old_<fetchop>{si,di}_internal): New.
7182 (sync_old_nand{si,di}_internal): New
7183 (sync_new_<fetchop>{si,di}_internal): New.
7184 (sync_new_nand{si,di}_internal): New.
7185 (atomic_and{si,di}): New.
7186 (sync_new_nand{si,di}_internal): New.
7187 (atomic_and{si,di}): New.
7188 (sync_add<mode>_internal): Delete.
7189 (sync_addshort_internal): Use unspec instead of unspec_volatile.
7190 (sync_sub<mode>_internal): Delte.
7191 (sync_subshort_internal): New.
7192 (sync_andsi_internal): Use unspec instead of unspec_volatile.
7193 (sync_anddi_internal): Delete.
7194 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
7195 (sync_booldi_internal): Delete.
7196 (sync_boolc<mode>_internal): Delete.
7197 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
7198 (sync_boolc<mode>_internal2): Delete.
7199 (sync_boolcc<mode>_internal): Delete.
7200 (isync, lwsync): Use unspec instead of unspec_volatile.
7201 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
7202 Revert UNSPEC_VOLATILE.
7203 (rs6000_split_atomic_op): New.
7204 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
7206 2005-07-14 Eric Christopher <echristo@redhat.com>
7208 * config/mips/mips.c (mips_canonicalize_comparison): Cast
7209 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
7211 2005-07-14 Eric Christopher <echristo@redhat.com>
7213 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
7215 2005-07-14 Steven Bosscher <stevenb@suse.de>
7217 PR tree-optimization/22230
7218 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
7219 the computation of the four cross productions for "range op range".
7221 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
7222 Ulrich Weigand <uweigand@de.ibm.com>
7225 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
7228 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7230 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
7232 2005-07-14 Steve Ellcey <sje@cup.hp.com>
7234 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
7236 2005-07-14 Richard Guenther <rguenther@suse.de>
7239 * config/i386/i386-protos.h (ix86_function_value): Change
7240 prototype to match new target hook.
7241 * config/i386/i386.c (ix86_value_regno): Change prototype
7242 to take extra type argument.
7243 (TARGET_FUNCTION_VALUE): Define.
7244 (ix86_function_ok_for_sibcall): Pass extra argument to
7245 ix86_value_regno, check return slot rtx for exact match.
7246 (ix86_function_value): Take extra parameter. Dispatch to
7247 ix86_value_regno with fndecl/fntype as provided.
7248 (ix86_value_regno): Handle extra type argument.
7249 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
7251 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
7252 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
7253 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
7254 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
7255 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
7257 2005-07-14 Richard Guenther <rguenther@suse.de>
7259 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
7260 * calls.c (expand_call): Pass fntype to hard_function_value.
7261 (emit_library_call_value_1): Likewise.
7262 * explow.c: Include target.h.
7263 (hard_function_value): Take extra argument, the fntype.
7264 Use new target hook for function_value.
7265 * expr.h (hard_function_value): Change prototype.
7266 * function.c (aggregate_value_p): Pass 0 as fntype to
7267 hard_function_value.
7268 (assign_parms): Use new target hook for function_value.
7269 Pass 0 as fntype to hard_function_value.
7270 (expand_function_end): Likewise.
7271 * reg-stack.c: Include target.h.
7272 (stack_result): Use new target hook for function_value.
7273 * target-def.h: New target hook function_value.
7274 * target.h: Likewise.
7275 * targhooks.c (default_function_value): New function.
7276 * targhooks.h (default_function_value): Declare.
7278 2005-07-13 Ian Lance Taylor <ian@airs.com>
7280 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7282 2005-07-14 Jan Hubicka <jh@suse.cz>
7284 * tree-dfa.c (dump_variable): Use default_def function.
7285 * tree-ssa-alias.c (dump_points_to_info): Likewise.
7286 * tree-ssa.c (verify_use): Likewise.
7287 * tree-ssanames.c (release_ssa_name): Likewise.
7288 * tree-tailcall.c (eliminate_tail_call): Likewise.
7289 (tree_optimize_tail_calls_1): Likewise.
7290 * tree-vrp.c (get_value_range): Likewise.
7292 2005-07-14 Ben Elliston <bje@au.ibm.com>
7294 * gcc.c (main): Compare language[0] with '*' when iterating over
7297 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7299 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
7300 "s390_emit_compare". Add handling of CCZ1mode.
7301 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
7302 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
7304 (s390_branch_condition_mask): Add CCZ1mode handling.
7305 * config/s390/s390.md: ("seq", "*seq"): New pattern.
7306 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
7307 Use CCZ1mode instead of CCZmode.
7308 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
7310 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7312 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
7314 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
7316 2005-07-13 Eric Christopher <echristo@redhat.com>
7318 * config/mips/mips.c (mips_canonicalize_comparison): New.
7319 (mips_emit_int_relational): Use.
7321 2005-07-13 Eric Christopher <echristo@redhat.com>
7323 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7325 * config/s390/s390.md: Include tpf.md. Move tpf specific
7327 * config/s390/tpf.md: To here.
7328 * config/s390/s390.opt: Move tpf specific options...
7329 * config/s390/tpf.opt: to here. Add mmain option.
7330 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7331 * config/s390/tpf.h: Rewrite.
7333 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7335 * doc/tm.texi: Remove @xref{Cross-profiling}.
7337 2005-07-13 Jeff Law <law@redhat.com>
7339 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
7340 expressions, test their _DECL operands for pointer equality rather
7341 than using operand_equal_p.
7343 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7345 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
7346 (TARGET_POSIX_IO): This.
7347 * config/darwin.h: Likewise.
7348 * config/freebsd.h: Likewise.
7349 * config/linux.h: Likewise.
7350 * config/lynx.h: Likewise.
7351 * config/netbsd.h: Likewise.
7352 * config/rs6000/linux64.h: Likewise.
7353 * config/rs6000/linux.h: Likewise.
7354 * config/s390/tpf.h: Likewise.
7355 * config/sh/embed-elf.h: Likewise.
7356 * config/sparc/linux64.h: Likewise.
7357 * config/sparc/linux.h: Likewise.
7358 * config/svr4.h: Likewise.
7359 * gcov-io.h: Likewise.
7361 * doc/tm.texi: Updated.
7363 * libgcov.c (create_file_directory): Defined only if
7364 TARGET_POSIX_IO is defined.
7365 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
7368 2005-07-13 Jan Hubicka <jh@suse.cz>
7370 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
7372 2005-07-13 David Edelsohn <edelsohn@gnu.org>
7374 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
7375 structure as argument.
7377 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
7379 PR tree-optimization/21921
7380 * tree-iterator.c (tsi_link_before): Support the case when
7381 tsi_end_p (tsi) == true.
7383 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7385 PR tree-optimization/22442
7386 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
7389 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7391 PR rtl-optimization/20376
7392 * toplev.c (process_options): Enable -fweb and -frename-registers when
7394 * doc/invoke.texi: Update the information about when -fweb and
7395 -frename-registers are enabled.
7397 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7400 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
7401 if *rhs_p is not a SSA_NAME.
7403 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
7405 Fix PR tree-optimization/22422
7406 * tree-ssa-structalias.c (struct variable_info): Add flag for
7408 (get_varinfo): Now a static function.
7409 (new_varinfo): init has_union and is_special_var to false.
7410 (solution_set_add): Check has_union.
7411 (do_da_constraint): Move temporary variable so it gets reset
7413 Also check for special variable.
7414 (do_ds_constraint): Ditto.
7415 (do_sd_constraint): Ditto.
7416 (do_structure_copy): Check for special variable.
7417 (find_func_aliases): Ditto.
7418 (init_base_vars): Set special vars properly.
7420 2005-07-13 Jan Hubicka <jh@suse.cz>
7422 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
7425 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
7426 (get_expr_operands): Fix thinko wrt flags and subvars.
7428 PR tree-optimize/22379
7429 * tree-inline.c (expand_call_inline): Do not output sorry in early
7432 2005-07-12 Dale Johannesen <dalej@apple.com>
7434 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
7436 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7439 * host-linux.h: Include limits.h.
7441 2005-07-12 Dale Johannesen <dalej@apple.com>
7443 * expr.c (compress_float_constant): Add cost check.
7444 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
7446 2005-07-12 Dale Johannesen <dalej@apple.com>
7448 * gcc.target/i386/compress-float-sse.c: New.
7449 * gcc.target/i386/compress-float-sse-pic.c: New.
7450 * gcc.target/i386/compress-float-387.c: New.
7451 * gcc.target/i386/compress-float-387-pic.c: New.
7452 * gcc.dg/compress-float-ppc.c: New.
7453 * gcc.dg/compress-float-ppc-pic.c: New.
7455 2005-07-12 Eric Christopher <echristo@redhat.com>
7457 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7459 * config/s390/s390.md: Include tpf.md. Move tpf specific
7461 * config/s390/tpf.md: To here.
7462 * config/s390/s390.opt: Move tpf specific options...
7463 * config/s390/tpf.opt: to here. Add mmain option.
7464 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7465 * config/s390/tpf.h: Rewrite.
7467 2005-07-12 Eric Christopher <echristo@redhat.com>
7469 * gcc.c (struct infile): Update comment for language.
7470 (main): Rewrite input file resetting code.
7472 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7475 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
7476 requiring a cast in a non RHS of modify_expr. Add a cast when required.
7477 (lookup_avail_expr): Use constant_boolean_node instead
7478 of boolean_false_node/boolean_true_node.
7480 2005-07-12 Ben Elliston <bje@au.ibm.com>
7482 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
7483 and use it when printing num_edges.
7485 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
7487 * doc/extend.texi (Blackfin Built-in Functions): New section.
7488 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
7491 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
7493 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
7494 s/cmpstrsi/cmpstrnsi
7495 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
7497 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
7498 (init_optabs): Initialize cmpstrn_optab.
7499 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
7500 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
7501 * expr.c: (enum insn_code cmpstrn_optab): Declare.
7502 * config/i386/i386.md: s/cmpstr/cmpstrn
7503 * config/c4x/c4x.md: s/cmpstr/cmpstrn
7504 * doc/md.texi: Update documentation.
7506 2005-07-11 Richard Henderson <rth@redhat.com>
7508 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
7509 build_va_arg_indirect_ref.
7510 (alpha_gimplify_va_arg): Likewise.
7511 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7512 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7513 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
7514 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7515 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7516 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
7518 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7520 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7522 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
7523 * passes.c (init_optimization_passes): Add pass_empty_loop.
7524 * tree-pass.h (pass_empty_loop): Declare.
7525 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
7526 try_remove_empty_loop, remove_empty_loops): New functions.
7527 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
7528 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
7530 2005-07-12 Peter Barada <peter@the-baradas.com>
7534 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
7535 in address registers.
7536 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
7537 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
7538 alternative of addsi3_5200.
7540 2005-07-11 Ian Lance Taylor <ian@airs.com>
7542 * config/mips/mips.md (ffs<mode>2): Remove.
7544 2005-07-11 Ian Lance Taylor <ian@airs.com>
7546 * doc/tree-ssa.texi (Cleanups): Improve description of
7548 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
7550 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7552 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
7553 * tree.h (DECL_ARGUMENT_FLD): New macro.
7555 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7557 Fix PR tree-optimization/22404
7559 * tree-ssa-structalias.c (create_variable_info_for): Use
7562 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
7564 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
7565 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
7566 for second comparison operand.
7567 * config/bfin/predicates.md (reg_or_const_int_operand): New.
7569 * config/bfin/bfin.md (define_attr "type"): Add "sync".
7570 (define_insn_reservation "alu"): Likewise.
7571 (csync, ssync): Now of type sync.
7572 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
7573 -mcsync-anomaly -mspecld-anomaly.
7574 * config/bfin/bfin.opt (mcsync): Remove.
7575 (mcsync-anomaly, mspecld-anomaly): Add.
7576 * config/bfin/bfin.c: Include "insn-codes.h".
7577 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
7578 (TARGET_DEFAULT_TARGET_FLAGS): New.
7579 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
7581 2005-07-11 Steven Bosscher <stevenb@suse.de>
7583 * basic-block.h: Give the BB flags enum a name, bb_flags.
7584 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
7585 * cfgcleanup.c (enum bb_flags): Remove here.
7586 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
7587 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
7588 (update_forwarder_flag): Likewise.
7589 (thread_jump): Likewise.
7590 (try_forward_edges): Likewise.
7591 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
7592 forwarder flags. Don't clear bb->aux for all basic blocks. Only
7593 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
7595 2005-07-11 Richard Guenther <rguenther@suse.de>
7597 * config/i386/i386.opt: New target option -msseregparm.
7598 * config/i386/i386.c (override_options): Error out for
7599 -msseregparm but no SSE support.
7600 (ix86_function_sseregparm): Check for global sseregparm.
7601 * doc/invoke.texi: Document -msseregparm.
7603 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7605 * config.gcc (m32r-*-linux*): Use the default extra_parts.
7606 (m32rle-*-linux*): Ditto.
7608 2005-07-11 Jakub Jelinek <jakub@redhat.com>
7610 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
7611 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
7614 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7618 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
7619 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
7621 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
7623 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
7624 (varmap): Heapify varmap.
7625 (constraints): Heapify constraints.
7626 (struct constraint_graph): Heapify succs and preds.
7627 (constraint_vec_find): Update for heapification.
7628 (constraint_set_union): Ditto.
7629 (insert_into_complex): Ditto.
7630 (constraint_edge_vec_find): Ditto.
7631 (erase_graph_self_edge): Ditto.
7632 (add_graph_edge): Ditto.
7633 (get_graph_weights): Ditto.
7634 (merge_graph_nodes): Ditto.
7635 (build_constraint_graph): Ditto.
7636 (topo_visit): Ditto.
7637 (solve_graph): Ditto.
7638 (create_variable_info_for): Ditto.
7639 (init_base_vars): Ditto.
7640 (delete_points_to_sets): Free graph, varmap, and complex constraints.
7641 (condese_varmap_nodes): Free complex vector.
7642 (clear_edges_for_node): Clear succs and preds vector.
7644 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7646 * tree-ssa-structalias.c (update_alias_info): Change counting of
7647 references to not include vdefs.
7649 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7651 * tree-ssa-alias.c (free_used_part_map): Add missing free.
7654 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7656 * pa.c (pa_commutative_p): Make PLUS commutative when
7657 TARGET_NO_SPACE_REGS is true.
7659 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7661 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
7662 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
7663 * tree-dfa.c (dump_subvars_for): New.
7664 (debug_subvars_for): New.
7665 (dump_variable): Show subvariables if VAR has them.
7666 * tree-flow-inline.h (get_subvar_at): New.
7667 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
7668 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
7670 (struct subvar): Change fields offset and size to unsigned
7672 (dump_subvars_for): Declare.
7673 (debug_subvars_for): Declare.
7674 (get_subvar_at): Declare.
7675 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
7676 to unsigned HOST_WIDE_INT *.
7677 (overlap_subvar): Likewise.
7678 * tree-gimple.c (is_gimple_reg): Always return false for
7679 SFTs and memory tags.
7680 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
7682 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
7683 (compute_may_aliases): Call compute_points_to_sets.
7684 (collect_points_to_info_for): Remove.
7685 (compute_points_to_and_addr_escape): Remove.
7686 (delete_alias_info): Call delete_points_to_sets.
7687 (compute_flow_sensitive_aliasing): If the call to
7688 find_what_p_points_to returns false, call set_pt_anything.
7689 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
7690 (set_pt_anything): Clear pi->pt_vars.
7691 (set_pt_malloc): Remove.
7692 (merge_pointed_to_info): Remove.
7693 (add_pointed_to_expr): Remove.
7694 (add_pointed_to_var): Remove.
7695 (collect_points_to_info_r): Remove.
7696 (is_escape_site): Make extern.
7698 (create_overlap_variables_for): Call it.
7699 * tree-ssa-copy.c (merge_alias_info): Never merge
7700 flow-sensitive alias information.
7701 * tree-ssa-operands.c (get_expr_operands): Adjust variables
7702 offset and size to be unsigned HOST_WIDE_INT.
7703 (add_to_addressable_set): Rename from note_addressable.
7704 Set TREE_ADDRESSABLE as the variables are added to the set.
7706 (add_stmt_operand): Do not try to micro-optimize unmodifiable
7707 operands into VUSEs when adding V_MAY_DEFs for members in an
7709 * tree-ssa-operands.h (add_to_addressable_set): Declare.
7710 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
7711 (struct variable_info): Add bitfield is_heap_var.
7712 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
7713 (new_var_info): Initialize is_heap_var.
7714 (get_constraint_for): Add HEAP variables to the symbol table.
7715 Mark them with is_heap_var.
7716 (update_alias_info): New. Taken mostly from the old
7717 compute_points_to_and_addr_escape.
7718 (handle_ptr_arith): New.
7719 (find_func_aliases): Call update_alias_info.
7720 Call handle_ptr_info for tcc_binary expressions.
7721 Call mark_stmt_modified.
7722 (create_variable_info_for): If DECL has subvars, do not create
7723 variables for its subvars. Always add all the fields.
7724 (set_uids_in_ptset): If the solution includes ANYOFFSET and
7725 SFTs, then add all the SFTs of the structure.
7726 If VI->DECL is an aggregate with subvariables, add the SFT at
7728 (find_what_p_points_to): If VI is an artificial variable,
7729 translate to bitfields in SSA_NAME_PTR_INFO.
7730 If the solution is empty, set pi->pt_vars to NULL
7731 (init_base_vars): Create ANYOFFSET.
7732 (compute_points_to_sets): Rename from create_alias_vars.
7734 (pass_build_pta): Remove.
7735 (delete_points_to_sets): Rename from delete_alias_vars.
7736 (pass_del_pta): Remove.
7737 * tree-ssa-structalias.h (struct alias_info): Move from
7739 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
7740 NUM_REFERENCES_SET): Likewise.
7741 (compute_points_to_sets, delete_points_to_sets): Declare.
7743 2005-07-09 Richard Henderson <rth@redhat.com>
7745 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
7746 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
7747 alpha_split_lock_test_and_set_12): New functions.
7748 * config/alpha/alpha-protos.h: Update.
7749 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
7750 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
7751 * config/alpha/sync.md (I12MODE): New.
7752 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
7753 (sync_<fetchop_name><I48MODE>): Likewise.
7754 (sync_nand<I48MODE>): Likewise.
7755 (sync_old_<fetchop_name><I48MODE>): Likewise.
7756 (sync_new_<fetchop_name><I48MODE>): Likewise.
7757 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
7758 (sync_compare_and_swap<I48MODE>): Likewise.
7759 (sync_lock_test_and_set<I48MODE>): Likewise.
7760 (sync_compare_and_swap<I12MODE>): New.
7761 (sync_compare_and_swap<I12MODE>_1): New.
7762 (sync_lock_test_and_set<I12MODE>): New.
7763 (sync_lock_test_and_set<I12MODE>_1): New.
7765 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7769 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
7771 2005-07-09 Jakub Jelinek <jakub@redhat.com>
7773 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
7774 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
7776 2005-07-09 Richard SAndiford <richard@codesourcery.com>
7779 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7781 2005-07-08 David Edelsohn <edelsohn@gnu.org>
7783 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
7784 memory_operand constraint.
7785 (store_conditional_<mode>): Same.
7786 (sync_compare_and_swap<mode>): Same.
7787 (sync_lock_test_and_set<mode>): Same.
7789 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
7791 Rewrite PIC support to more closely model actual instructions.
7792 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
7793 (cris_symbol): Remove prototypes for removed functions.
7794 (cris_pic_symbol_type_of, cris_valid_pic_const)
7795 (cris_expand_pic_call_address): Prototypes for new functions.
7796 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
7798 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
7800 <case ':'>: Add case for new punctuation character.
7801 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
7802 emitting (extra) PIC modifier.
7803 <case UNSPEC>: Do not assert for PLT.
7804 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
7805 (cris_expand_prologue, cris_expand_epilogue): Check
7806 for pic_offset_table_rtx usage instead of taking
7807 current_function_uses_pic_offset_table as the final word.
7808 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
7809 Remove flag_pic difference.
7810 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
7811 the moral equivalents of...
7812 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
7814 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
7815 (cris_handle_option): Mark ARG as unused.
7816 (cris_expand_pic_call_address): New worker function for "call",
7818 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
7819 output PIC constructs here.
7820 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
7821 as symbol-specific modifers, not whole or part of operands.
7822 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
7823 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
7824 constants and flag_pic.
7825 (CONSTANT_INDEX_P): Adjust for new functions.
7826 (enum cris_pic_symbol_type): New helper type.
7827 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
7828 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
7829 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
7831 ("movsi"): Emit actual instructions for GOT and relative access.
7832 ("*movsi_got_load"): New pattern to set up the register holding
7834 ("*movsi_internal"): Operand 1 is not a plain general_operand.
7835 Adjust FIXME for 'S'.
7836 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
7837 Use "movs" for -fpic cases.
7838 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
7839 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
7840 ("call", "call_value"): Just call cris_expand_pic_call_address for
7842 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
7843 Remove special pattern.
7844 ("*expanded_call_side", "*expanded_call_value_side"): New
7846 (gotplt-to-plt, gotplt-to-plt-side-call)
7847 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
7849 * config/cris/cris/predicates.md
7850 ("cris_general_operand_or_gotless_symbol"): Remove unused
7852 ("cris_general_operand_or_symbol"): Adjust for new functions.
7854 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7856 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
7858 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
7860 * Makefile.in (TREE_H): Add treestruct.def.
7861 (c-decl.o): Add pointer-set.h
7862 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
7863 visibility on regular DECL's.
7864 (merge_decls): Fix the copying of decl nodes of various types for
7865 the new structures. Don't update RTL, section name, weak status,
7866 etc, on DECL's without RTL.
7867 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
7868 Don't check volatile on non-variable types.
7869 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
7870 to check whether we have seen arguments.
7871 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
7872 flag is checked before field (flag is common, field is not).
7873 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
7874 TS_DECL_COMMON could have an origin.
7875 (add_location_or_const_value_attribute): Don't check section name
7876 on non-var/function decls.
7877 (dwarf2out_var_location): Reverse order of tests.
7878 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
7879 with DECL_WRTL_CHECK.
7880 * expmed.c (make_tree): rtl is now in decl_with_rtl.
7881 * fold-const.c (fold_binary): Don't check weakness on
7882 non-var/function decls.
7883 (tree_expr_nonzero_p): Ditto.
7884 (fold_checksum_tree): Use tree_decl_extra as sizeof
7886 * ggc-page.c (extra_order_size_table): Add sizes for
7887 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
7889 * gimplify.c (gimplify_bind_expr): Only set
7890 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
7891 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
7893 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
7894 * langhooks.h (init_ts). New langhook.
7895 * passes.c (rest_of_decl_compilation): Reverse order of tests.
7896 * print-tree.c (print_node): Update to only print fields that
7897 exist in the structures the passed decl has.
7898 * toplev.c (wrapup_global_declarations): Don't reset
7899 DECL_DEFER_OUTPUT on DECL's that don't contain it.
7900 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
7901 * tree-inline.c (remap_decl): Ditto.
7902 * tree-outof-ssa.c (create_temp): Reverse order of tests.
7903 * tree-pretty-print.c (print_declaration): Don't print
7904 DECL_REGISTER on things that don't contain it.
7905 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
7906 non-var/function decls.
7907 * tree.c (tree_contains_struct): New structure.
7908 (init_priority_for_decl): New hashtable.
7909 (tree_int_map): New structure.
7910 (tree_int_map_eq): New function.
7911 (tree_int_map_marked_p): Ditto.
7912 (tree_int_map_hash): Ditto.
7913 (tree_map): Move to tree.h.
7914 (tree_map_eq): Externalize.
7915 (tree_map_hash): Ditto.
7916 (tree_map_marked_p): Ditto.
7917 (init_ttree): Set up tree_contains_struct and call langhook.
7918 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
7919 (tree_code_size): Update for new structures.
7920 (tree_node_structure): Update for new structures.
7921 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
7923 (copy_node_stat): Copy init priority.
7924 (build_decl_stat): Ditto for visibility.
7925 (ts_enum_names): New.
7926 (tree_contains_struct_check_failed): New function.
7927 (decl_init_priority_lookup): Ditto.
7928 (decl_init_priority_insert): Ditto.
7929 * treestruct.def: New file.
7930 * tree.h (CODE_CONTAINS_STRUCT): New macro.
7931 (CONTAINS_STRUCT_CHECK): Ditto.
7932 (tree_contains_struct_check_failed): New prototype.
7933 (DECL_CHECK): Removed.
7934 (DECL_MINIMAL_CHECK): New.
7935 (DECL_COMMON_CHECK): Ditto.
7936 (DECL_WRTL_CHECK): Ditto.
7937 (DECL_NON_COMMON_CHECK): Ditto.
7938 (DECL_WITH_VIS_CHECK): Ditto.
7939 (VAR_OR_FUNCTION_DECL_P): Ditto
7940 (struct tree_decl_minimal): New structure.
7941 (struct tree_decl_common): Ditto.
7942 (struct tree_decl_with_rtl): Ditto.
7943 (struct tree_decl_with_vis): Ditto.
7944 (struct tree_decl_non_common): Ditto.
7945 (struct tree_field_decl): Ditto.
7946 (struct tree_parm_decl): Ditto.
7947 (struct tree_var_decl): Ditto.
7948 (struct tree_function_decl): Ditto.
7949 (struct tree_const_decl): Ditto.
7950 (struct tree_result_decl): Ditto.
7951 (union tree_node): Add new structures.
7952 * var-tracking.c (track_expr_p): Reverse order of tests.
7954 * doc/c-tree.texi: Add documentation on DECL node internal structure.
7956 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7958 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
7959 * system.h: Poison FINALIZE_PIC.
7960 * doc/tm.texi (FINALIZE_PIC): Remove.
7962 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7965 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
7966 to the correct type if we have a MODIFY_EXPR.
7968 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7970 PR tree-optimization/22360
7971 * tree.c (upper_bound_in_type): Fix calculations for casting
7972 to a non-wider signed type and casting a signed value to a
7973 wider unsigned type.
7974 (lower_bound_in_type): Fix calculations for casting to a
7975 non-wider signed type.
7977 PR tree-optimization/20139
7978 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
7980 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
7981 fold_cond_expr_cond.
7982 * tree-ssanames.c (release_defs): Assert in_ssa_p.
7983 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
7985 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7988 * tree-complex.c (expand_complex_libcall): Produce
7989 REALPART_EXPR/IMAGPART_EXPR with the correct type.
7991 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
7993 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
7994 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
7995 b" assert and inserted fastpath code for this case.
7996 (bitmap_ior): Removed "a != b" assert.
7998 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8000 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
8001 (ENDFILE_SPEC): Likewise.
8002 * config/m32r/m32r.h (ASM_SPEC): Likewise.
8004 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
8005 a large stack frame at epilogue.
8007 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
8009 * final.c: Include sdbout.h when required.
8011 2005-07-07 Geoffrey Keating <geoffk@apple.com>
8013 * config.gcc (*-*-darwin*): Only one target-specific header file
8015 (powerpc-*-darwin*): Add version-specific header files.
8016 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
8017 * config.in: Regenerate.
8018 * configure: Regenerate.
8019 * gcc.c: Include xregex.h.
8020 (version_compare_spec_function): New.
8021 (spec_function): Add version-compare.
8022 (replace_outfile_spec_function): Reformat comment.
8023 (compare_version_strings): New.
8024 * config/darwin-c.c (version_as_macro): New.
8025 (builtin_define): New.
8026 (darwin_cpp_builtins): New.
8027 * config/darwin-protos.h (darwin_cpp_builtins): New.
8028 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
8029 (LIB_SPEC): Make unconditional, update comment.
8030 (TARGET_C99_FUNCTIONS): Define.
8031 * config/darwin.opt: Sort.
8032 (mmacosx-version-min=): New.
8033 * config/darwin7.h: Delete.
8034 * config/darwin8.h: Delete.
8035 * config/i386/darwin.h (): Call darwin_cpp_builtins.
8036 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
8037 (TARGET_C99_FUNCTIONS): Define.
8038 * config/rs6000/darwin7.h: New.
8039 * config/rs6000/darwin8.h: New.
8040 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
8041 (-mmacosx-version-min): Document.
8043 2005-07-07 Ian Lance Taylor <ian@airs.com>
8045 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
8047 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
8050 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
8052 2005-07-07 Khem Raj <kraj@mvista.com>
8054 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
8055 in bytes, not words.
8057 2005-07-07 Paul Brook <paul@codesourcery.com>
8059 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
8060 DEFAULT_FUNCTION_ARG_PADDING to upward.
8062 2005-07-07 Richard Henderson <rth@redhat.com>
8064 * function.c (locate_and_pad_parm): Record parameter alignment in
8065 stack_alignment_needed.
8067 2005-07-07 David Edelsohn <edelsohn@gnu.org>
8069 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
8070 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
8071 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
8072 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
8073 (define_attr "type"): Add isync, sync, load_l, store_c.
8074 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
8075 Create scratch volatile MEM.
8076 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
8078 (load_locked_<mode>): New.
8079 (store_conditional_<mode>): New.
8080 (sync_compare_and_swap<mode>): Replace with splitter.
8081 (sync_lock_test_and_set<mode>): Replace with splitter.
8082 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
8084 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
8085 is ics. Attribute isync.
8086 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
8088 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
8089 and UNSPECV_SYNC_OP.
8090 (emit_unlikely_jump): New.
8091 (emit_load_locked): New.
8092 (emit_store_conditional): New.
8093 (rs6000_split_compare_and_swap): New.
8094 (rs6000_split_lock_test_and_set): New.
8095 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
8096 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
8097 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
8098 rs6000_split_lock_test_and_set): Declare.
8099 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
8100 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
8101 store_c, isync, sync.
8103 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
8105 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
8106 filenames to gtyp-gen.h.
8107 (s-typ-gen): Use it in place of for loops.
8109 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
8111 * hooks.c (hook_bool_rtx_int_false): New function.
8112 * hooks.h (hook_bool_rtx_int_false): Declare.
8113 * target-def.h (TARGET_COMMUTATIVE_P): Define.
8114 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
8115 * target.h (struct gcc_target): Add commutative_p member.
8116 * targhooks.c (hook_bool_rtx_commutative_p): New function.
8117 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
8118 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
8119 (pa_commutative_p): New function.
8120 * jump.c (target.h): Include.
8121 (rtx_renumbered_equal_p): Use targetm.commutative_p.
8122 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
8124 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8126 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
8127 (s390_expand_setmem): New.
8128 * config/s390/s390.c: Likewise.
8129 (print_shift_count_operand): Truncate to 12 bits instead of 6.
8131 * config/s390/s390.md: ("setmem<mode>"): Accept character as
8132 general_operand. Call new function "s390_expand_setmem".
8133 ("clrmem_long", "*clrmem_long"): Rewrite to ...
8134 ("setmem_long", "*setmem_long"): ... this.
8136 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8138 * config/s390/s390.c: (optimization_options): Enable
8139 TARGET_MVCLE at -Os.
8140 * doc/invoke.texi: Document changes in default behaviour.
8141 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
8143 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8145 * expr.c: (set_storage_via_setmem): Convert opchar to mode
8146 defined by back-end.
8148 2005-07-07 Jakub Jelinek <jakub@redhat.com>
8150 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
8151 all sets in the pattern.
8152 * config/rs6000/rs6000.md (stack_protect_testsi,
8153 stack_protect_testdi): Likewise.
8155 2005-07-06 Jeff Law <law@redhat.com>
8157 * tree-vrp.c (simplify_using_ranges): Kill.
8158 (vrp_finalize): Remove call to simplify_using_ranges.
8159 (simplify_stmt_using_ranges): New function extracted from
8160 simplify_using_ranges.
8161 (simplify_div_or_mod_using_ranges): Likewise.
8162 (simplify_abs_using_ranges): Likewise.
8163 (simplify_cond_using_ranges): New function.
8164 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
8165 * tree-ssa-propagate.c (substitute_and_fold): Call
8166 simplify_stmt_using_ranges if we have range information.
8168 2005-07-06 James E. Wilson <wilson@specifixinc.com>
8170 * config/ia64/ia64.c (ia64_reorg): Check optimize before
8171 ia64_flag_schedule_isns2.
8173 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
8174 reading/writing general registers.
8175 (ia64_function_arg): Revert 2005-06-18 change.
8177 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
8179 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
8180 (legitimize_tls_address): Use gcc_unreachable instead of abort.
8182 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
8184 * function.c (expand_function_end): Revert part of 2005-06-27
8185 patch. Do sjlj_emit_function_exit_after after return_label.
8187 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8189 * doc/install.texi (--disable-libssp): New.
8191 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
8193 * doc/invoke.texi: Update -fforce-mem documentation.
8194 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
8195 code for -fforce-mem.
8196 * expmed.c: (store_bit_field,store_fixed_bit_field,
8197 extract_bit_field): Ditto.
8198 * expr.c: (convert_move): Ditto.
8199 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
8200 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
8201 emit_conditional_add,expand_float,expand_fix): Ditto.
8202 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
8203 (common_handle_option): Issue warning when -fforce-mem specified.
8205 2005-07-06 Paul Brook <paul@codesourcery.com>
8207 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
8209 * configure: Regenerate.
8211 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
8213 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
8215 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
8217 Fix PR tree-optimization/22319
8218 Fix PR tree-optimization/22140
8219 Fix PR tree-optimization/22310
8221 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
8222 variable sized types.
8223 Use correct type for intermediate structure on *a = *b structure
8226 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8228 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
8230 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
8231 (machine_function): Move typedef to...
8232 * config/rs6000/rs6000.c (machine_function): ... here. Add
8233 varargs_save_offset field.
8234 (rs6000_stack_t): Remove varargs_size field.
8235 (setup_incoming_varargs): Allocate varargs save area using
8236 assign_stack_local, try to make it as small as possible.
8237 Save offset from virtual_stack_vars_rtx to the save area
8238 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
8239 instead of magic 8 when fp word byte size is used.
8240 (rs6000_va_start): Use cfun->machine->varargs_save_offset
8241 instead of -RS6000_VARARGS_SIZE.
8242 (rs6000_stack_info, debug_stack_info,
8243 rs6000_initial_elimination_offset): Remove all traces of
8245 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
8246 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
8247 RS6000_VARARGS_AREA.
8249 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8251 PR tree-optimization/21963
8252 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
8253 constant_multiple_of in the same way get_computation_cost_at does.
8255 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8257 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
8258 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
8259 (gen_compare_reg): If sparc_compare_emitted is set, clear it
8260 and return its previous value.
8261 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
8262 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
8264 (stack_protect_set, stack_protect_test): New expanders.
8265 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
8266 stack_protect_testdi): New insns.
8267 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8268 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
8270 2005-07-06 Jeff Law <law@redhat.com>
8272 * tree-ssa-dce.c (cfg_altered): New global.
8273 (tree_dce_init): Initialize cfg_altered.
8274 (remove_dead_stmt): If we remove an edge in the CFG, then set
8276 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
8279 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8281 * Makefile.in (stamp-collect-ld): Use
8282 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
8283 ./collect-ld if it already exists.
8284 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
8285 Don't remove ./nm if it already exists.
8287 2005-07-05 Devang Patel <dpatel@apple.com>
8289 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
8290 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
8291 * tree-vectorizer.c (vect_loop_location): New.
8292 (vect_print_dump_info): Use vect_loop_location.
8293 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
8294 (vectorize_loops): Set vect_loop_location.
8295 * tree-vect-analyze.c (vect_analyze_offset_expr,
8296 vect_determin_vectorization_factor, vect_analyze_operations,
8297 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
8298 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
8299 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
8300 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
8301 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
8302 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
8303 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
8304 vect_analyze_loop): Adjust vect_print_dump_info API.
8305 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8306 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
8307 vect_finish_stmt_generation, vectorizable_assignment,
8308 vectorizable_operation, vectorizable_store, vectorizable_load,
8309 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
8310 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
8311 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
8312 vect_transform_loop): Same.
8313 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
8314 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
8317 2005-07-05 Randolph Chung <tausq@debian.org>
8319 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
8320 * configure: Regenerate.
8321 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
8322 (pa_tls_referenced_p): Declare.
8323 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
8324 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
8325 (legitimize_tls_address): New.
8326 (hppa_legitimize_address): Handle TLS addresses.
8327 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
8328 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
8329 (emit_move_sequence): Handle TLS addresses.
8330 (pa_encode_section_info): Call default handler to handle common
8332 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
8333 (CONSTANT_ADDRESS_P): Reject TLS operands.
8334 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
8335 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
8336 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
8337 (UNSPEC_TLSLE): Define new constants.
8338 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
8339 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
8340 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
8341 (tie_symbolic_operand, tle_symbolic_operand): New
8343 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
8345 * aclocal.m4: Update macros for autoconf 2.59 style.
8346 * configure.ac: Likewise.
8348 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8350 * pa.c (function_value): Handle small aggregates on 32-bit targets.
8351 (function_arg): Pass small aggregates in general registers on 32-bit
8353 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
8355 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
8357 * Makefile.in (final.o): Fix dependencies.
8359 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8363 * langhooks.h (struct lang_hooks): Add expr_to_decl.
8364 * langhooks.c (lhd_expr_to_decl): New.
8365 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
8367 (LANG_HOOKS_INITIALIZER): Update.
8368 * tree.c (recompute_tree_invarant_for_addr_expr): Call
8369 expr_to_decl langhook.
8370 * c-tree.h (c_expr_to_decl): Declare.
8371 * c-typeck.c (c_expr_to_decl): New.
8372 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
8374 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
8376 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8379 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
8380 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
8382 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
8384 * Makefile.in: Adjust dependencies.
8385 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
8386 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
8387 * alias.c (rest_of_handle_cfg, pass_cfg): New.
8388 * bb-reorder.c (duplicate_computed_gotos): Make it static.
8389 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
8390 rest_of_compilation.
8392 * bb-reorder.c (gate_duplicate_computed_gotos,
8393 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
8394 rest_of_handle_reorder_blocks, pass_reorder_blocks,
8395 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
8396 pass_partition_blocks): New.
8397 * bt-load.c (gate_handle_branch_target_load_optimize,
8398 rest_of_handle_branch_target_load_optimize,
8399 pass_branch_target_load_optimize): New.
8400 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
8402 * cfglayout.c (pass_insn_locators_initialize): New.
8403 * cfgrtl.c (pass_free_cfg): New.
8404 * combine.c (gate_handle_combine, rest_of_handle_combine,
8406 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
8407 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
8408 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
8409 * except.c (pass_set_nothrow_function_flags,
8410 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
8412 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
8413 rest_of_handle_shorten_branches, pass_shorten_branches,
8414 rest_of_clean_state, pass_clean_state): New.
8415 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
8416 rest_of_handle_remove_death_notes, pass_remove_death_notes,
8417 rest_of_handle_life, pass_life, rest_of_handle_flow2,
8419 * function.c (pass_instantiate_virtual_regs, pass_init_function,
8420 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
8421 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
8422 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
8424 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
8425 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
8426 pass_rtl_ifcvt, gate_handle_if_after_combine,
8427 rest_of_handle_if_after_combine, pass_if_after_combine,
8428 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
8429 pass_if_after_reload): New.
8430 * integrate.c (pass_initial_value_sets): New.
8431 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
8432 pass_purge_lineno_notes): New.
8433 * mode-switching.c (rest_of_handle_mode_switching,
8434 pass_mode_switching): New.
8435 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
8436 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
8438 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
8439 pass_loop_optimize): New.
8440 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
8442 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
8444 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
8445 pass_postreload_cse): New.
8446 * profile.c (gate_handle_profiling, pass_profiling,
8447 rest_of_handle_branch_prob, pass_branch_prob): New.
8448 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
8449 pass_split_before_regstack, gate_handle_split_before_regstack,
8450 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
8451 rest_of_handle_split_all_insns, pass_split_all_insns): New.
8452 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
8453 pass_stack_regs): New.
8454 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
8455 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
8456 pass_stack_adjustments): New.
8457 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
8458 pass_regrename): New.
8459 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
8460 pass_delay_slots, gate_handle_machine_reorg,
8461 rest_of_handle_machine_reorg, pass_machine_reorg): New.
8462 * rtl.h (extern void purge_line_number_notes): New.
8463 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
8464 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
8466 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
8468 * value-prof.c (gate_handle_value_profile_transformations,
8469 rest_of_handle_value_profile_transformations,
8470 pass_value_profile_transformations): New.
8471 * var-tracking.c (gate_handle_var_tracking,
8472 pass_variable_tracking): New.
8473 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
8475 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
8476 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
8477 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
8478 rest_of_handle_old_regalloc, rest_of_handle_regrename,
8479 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
8480 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
8481 rest_of_handle_gcse2, rest_of_handle_regmove,
8482 rest_of_handle_tracer, rest_of_handle_if_conversion,
8483 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
8484 rest_of_handle_web, rest_of_handle_branch_prob,
8485 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
8486 rest_of_handle_jump_bypass, rest_of_handle_combine,
8487 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8488 rest_of_handle_gcse, rest_of_handle_loop_optimize,
8489 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
8490 rest_of_handle_mode_switching, rest_of_handle_jump,
8491 rest_of_handle_eh, rest_of_handle_stack_adjustments,
8492 rest_of_handle_flow2, rest_of_handle_jump2,
8493 rest_of_handle_peephole2, rest_of_handle_postreload,
8494 rest_of_handle_shorten_branches, rest_of_clean_state,
8495 rest_of_compilation): Remove.
8497 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
8498 * passes.c (dump_flags, in_gimple_form, all_passes,
8499 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8500 register_dump_files, next_pass_1, last_verified, execute_todo,
8501 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
8502 from tree-optimize.c.
8503 (init_optimization_passes): Moved from tree-optimize.c,
8504 adding the RTL optimizations.
8505 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
8506 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
8507 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8508 register_dump_files, next_pass_1, last_verified, execute_todo,
8509 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
8510 init_tree_optimization_passes, ipa_passes): Delete.
8511 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
8513 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
8514 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
8516 (ipa_passes): Remove.
8517 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
8518 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
8519 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
8520 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
8521 (dump_info_p, dump_flag): Moved to tree-dump.h.
8523 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
8525 * passes.c (finish_optimization_passes): Use dump_begin
8526 and dump_end, TDI_end.
8527 (gate_rest_of_compilation): New.
8528 (pass_rest_of_compilation): Use it.
8529 (gate_postreload, pass_postreload): New.
8530 * toplev.c (general_init): Rename init_tree_optimization_passes.
8531 * toplev.h (init_tree_optimization_passes): Rename to
8532 init_optimizations_passes.
8533 * tree-dump.c (dump_flag): Make static.
8534 (dump_files): Remove RTL dumps.
8535 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
8536 pass_cleanup_cfg, pass_free_cfg_annotations,
8537 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
8538 pass_init_datastructures, pass_fixup_cfg): Make non-static.
8539 * tree-pretty-print.c: Include tree-pass.h.
8540 * cgraph.c: Include tree-dump.h.
8542 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8544 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
8545 Only fall back to saying it points to readonly memory if
8548 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8550 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
8551 * config/m32r/m32r.c (m32r_compute_frame_size,
8552 m32r_expand_prologue): Take current_function_profile into
8553 account whenever we reference
8554 current_function_uses_pic_offset_table.
8555 (m32r_finalize_pic): Remove.
8556 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
8558 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
8560 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
8561 instead of $<. Don't remove ./as if it already exists.
8563 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8566 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
8567 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
8568 for complex modes when generating code for PA 1.0.
8569 (VALID_FP_MODE_P): New macro.
8570 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8571 sets for all general and floating point modes. Align wide floating
8572 point modes to even register boundaries to comply with architectural
8574 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
8575 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
8576 (VALID_FP_MODE_P): New macro.
8577 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8578 sets for all general and floating point modes. Align wide floating
8579 point modes to even register boundaries to comply with architectural
8582 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8584 * tree-dump.c (dump_files): Initialize dump number for .cgraph
8587 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8589 * tree-ssa-structalias.c: Don't include expr.h.
8591 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8593 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
8596 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8598 Fix PR tree-optimization/22279
8600 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
8603 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
8605 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
8607 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8609 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
8610 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
8611 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
8612 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
8613 config/stormy16/stormy16.c, config/v850/v850.c,
8614 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
8615 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
8616 Avoid "." or "\n" at end of diagnostics and capital letters at
8617 start of diagnostics.
8618 * combine.c, cse.c: Don't translate dump file output.
8619 * toplev.c (print_version): Only translate output if going to
8622 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8624 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
8625 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
8628 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8630 * pa.c (fix_range): Fix typo in comment.
8632 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8634 * tree-vrp.c (extract_range_from_assert): Replace
8635 fold (build (...)) with fold_build2.
8637 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8639 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
8640 gcc_gfc_char_table, init_dynamic_gfc_info): New.
8641 (format_types_orig, handle_format_attribute): Add support for
8644 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
8646 * varasm.c (assemble_variable): Fix format specifier thinko.
8648 2005-07-03 Ira Rosen <irar@il.ibm.com>
8650 PR tree-optimization/22029 (and 22135)
8651 * tree-pretty-print.c (dump_generic_node): Check that the node is not
8652 a phi node before calling dump_vops.
8654 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8656 * tree-dump.h (dump_string_field): Declare.
8657 * tree-dump.c: Use it instead of dump_string.
8658 (dump_string_field): Make non-static.
8660 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
8662 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
8663 up the minimal CFG stuff always when optimize > 0. Call
8664 split_all_insns_noflow in PIC case if needed.
8666 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8667 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
8670 * c-decl.c (c_write_global_declarations): Dump contents of
8672 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
8673 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
8674 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
8675 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
8678 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8680 * c-common.h (GCC_DIAG_STYLE): Define.
8681 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
8682 version for format checking to 4.1.
8683 * c-format.c: Include toplev.h after c-common.h.
8684 (enum format_type): Add gcc_tdiag_format_type.
8685 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
8686 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
8687 (format_types_orig): Add gcc_tdiag.
8688 (init_dynamic_diag_info): Support gcc_tdiag formats.
8689 (handle_format_attribute): Likewise.
8690 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
8691 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
8692 version for format checking to 4.1.
8693 (warning0, warning, error, pedwarn, sorry): Use
8695 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
8696 (finish_aliases_1): Do not use %qE.
8697 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
8698 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
8699 Correct format bugs.
8700 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
8701 parameter to unsigned HOST_WIDE_INT.
8702 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
8704 2005-07-02 David Edelsohn <edelsohn@gnu.org>
8707 * expr.c (write_complex_part): Use adjust_address for MEM.
8708 (read_complex_part): Same.
8710 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
8712 Fix PR tree-optimization/22280
8714 * tree-sra.c (generate_element_init): Remove useless loop.
8716 2005-07-02 Richard Henderson <rth@redhat.com>
8718 * config/alpha/alpha.c (alpha_legitimize_address): Check for
8720 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
8722 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
8725 * fold-const.c (fold_binary): Handle the return value of
8726 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
8727 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
8729 2005-07-02 Jeff Law <law@redhat.com>
8731 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
8732 a eliminate type conversion which feeds an equality comparison
8733 if the original type or either operand in the comparison is a
8736 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
8738 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
8739 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
8741 * config/avr/avr.c: Do not use '`' as left quote.
8742 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
8743 Remove "." from end of diagnostics. Make diagnostics start with
8746 2005-07-02 Zack Weinberg <zack@codesourcery.com>
8747 Joseph S. Myers <joseph@codesourcery.com>
8749 * toplev.c (default_tree_printer): Handle setting location with
8751 * c-objc.common.c (c_tree_printer): Likewise.
8752 * c-format.c (gcc_diag_flag_specs): Add '+'.
8753 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
8754 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
8756 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
8757 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
8758 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
8759 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
8760 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
8761 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
8762 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
8763 format arguments where %J is used without %D.
8765 2005-07-02 Jakub Jelinek <jakub@redhat.com>
8767 * gcc.c (LINK_SSP_SPEC): Define.
8768 (link_ssp_spec): New variable.
8769 (LINK_COMMAND_SPEC): Add %(link_ssp).
8770 (static_specs): Add link_ssp_spec.
8771 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
8772 * configure: Rebuilt.
8773 * config.in: Rebuilt.
8775 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8776 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8777 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8778 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8779 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
8780 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
8781 -0x7008(2) instead of reading __stack_chk_guard variable.
8782 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
8784 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
8785 (stack_protect_set, stack_protect_test): Use *_tls* patterns
8786 if TARGET_THREAD_SSP_OFFSET is defined.
8787 (stack_tls_protect_set_si, stack_tls_protect_set_di,
8788 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
8791 2005-06-27 Richard Henderson <rth@redhat.com>
8792 * libgcc-std.ver (GCC_4.1.0): New.
8793 * libgcc.h (__stack_chk_guard): Declare.
8794 (__stack_chk_fail, __stack_chk_fail_local): Declare.
8795 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
8796 * mklibgcc.in (lib2funcs): Add them.
8798 2005-07-01 Richard Henderson <rth@redhat.com>
8800 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
8801 void * before struct sigcontext *.
8802 (x86_fallback_frame_state): Likewise.
8804 2005-07-01 James E. Wilson <wilson@specifixinc.com>
8806 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
8808 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8811 * tree-ssa-reassoc.c (should_transpose): Fix which operand
8812 we check for SSA_NAME for.
8814 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
8816 Fix PR tree-optimization/22071
8818 * tree-ssa-structalias.c (offset_overlaps_with_access): New
8820 (get_constraint_for_component_ref): Use it.
8822 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8825 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
8826 print out the last new line.
8828 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
8830 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
8831 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
8832 * config/cris/cris.c (cris_conditional_register_usage): Adjust
8833 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
8834 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
8835 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
8836 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
8837 (enum reg_class): New member CC0_REGS.
8838 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
8839 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
8840 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
8841 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
8842 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8843 Adjust for register now described.
8845 2005-07-01 Jakub Jelinek <jakub@redhat.com>
8848 * config/i386/i386.md (stack_protect_test_si,
8849 stack_protect_test_di): Add earlyclobber for scratch 3.
8850 * config/rs6000/rs6000.md (stack_protect_testsi,
8851 stack_protect_testdi): Add earlyclobber for scratch 3,
8852 remove earlyclobber from scratch 4.
8854 Older entries for 2005 can be found in ChangeLog-2005.