1 2005-11-11 Steven Bosscher <stevenb@suse.de>
3 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
6 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
8 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
9 (memory_address_same): New.
10 (dse_optimize_stmt): Call memory_address_same.
12 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
15 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
16 ZERO_EXTEND>: New cases.
18 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
20 * longlong.h (__clz_tab): Always provide.
22 2005-11-11 Steven Bosscher <stevenb@suse.de>
25 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
27 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
28 before check_maybe_invariant.
29 (move_invariant_reg): Use gen_move_insn instead of replacing
30 SET_DEST with the temporary for the invariant.
31 (move_loop_invariants): If checking is enabled, do internal
32 consistency checks after completing the pass.
34 2005-11-11 David Edelsohn <edelsohn@gnu.org>
37 * common.opt (Wvolatile-register-var): New.
38 * varasm.c (make_decl_rtl): Only emit warning when option
39 specified. Clarify warning message.
40 * doc/invoke.texi (Wvolatile-register-var): Document new option.
42 * doc/md.texi (copysign): Document standard named pattern.
44 2005-11-11 Jie Zhang <jie.zhang@analog.com>
46 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
47 bytes when align is 2.
48 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
49 by the first instruction of the loop.
51 2005-11-11 Jason Merrill <jason@redhat.com>
54 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
57 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
59 PR rtl-optimization/22509
60 * local-alloc.c (memref_used_between_p): Check whether a function call
61 could not reference the memref.
63 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
65 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
66 algorithm so as to choose the best, not the worst, alternative.
67 Reset accumulated register class before processing next alternative.
69 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
72 * calls.c (expand_call): Copy a return value to a plain register
75 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
78 * varasm.c (assemble_name): Recompute name only for transparent
81 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
83 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
85 2005-11-04 Jeff Law <law@redhat.com>
88 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
89 perform reassociation if the parent statement will not die as
90 a result of the optimization.
92 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
94 * tree-ssa-alias.c (compute_may_aliases): Remove call to
96 * tree-dfa.c (referenced_var_remove): Remove function.
97 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
98 (delete_tree_ssa): Remove call to delete_old_heapvars.
99 Add call to delete_alias_heapvars.
100 * tree-flow.h (referenced_var_remove): Remove prototype
101 (init_alias_heapvars): New prototype.
102 (delete_alias_heapvars): Ditto.
103 * Makefile.in (tree-ssa-structalias.o): Add
104 gt-tree-ssa-structalias.o
105 (GTFILES): Add tree-ssa-structalias.h and
106 tree-ssa-structalias.c.
107 (s-gtype): Add gt-tree-ssa-structalias.h.
108 * tree-ssa-structalias.c (heapvars): Remove.
109 (oldheapvars): Remove.
110 (heapvar_for_stmt): New variable.
111 (heapvar_lookup): New function.
112 (heapvar_insert): Ditto.
113 (get_constraint_for): See if we have an old heapvar
115 (init_alias_heapvars): New function.
116 (delete_alias_heapvars): Ditto.
117 Add include of gt-tree-ssa-structalias.h.
119 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
122 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
124 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
126 * tree.c (int_fits_type_p): Only look at the base type
127 if it has the same precision as the original type.
129 2005-11-10 Jakub Jelinek <jakub@redhat.com>
132 * varasm.c (assemble_alias): Use %q+D in the error
133 message instead of %J and %qD.
135 2005-11-10 Richard Guenther <rguenther@suse.de>
137 * gcse.c (free_ldst_entry): Only free hashtable if
140 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
142 * function.c (assign_stack_local_1): Issue an error message if
143 the frame size overflows in the signed target arithmetics.
145 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
147 * tree.c (build_qualified_type): Chain the new type to the original
148 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
149 a POINTER_TYPE or a REFERENCE_TYPE respectively.
150 (build_pointer_type_for_mode): Only return unqualified types.
151 (build_reference_type_for_mode): Likewise.
153 2005-11-09 Jakub Jelinek <jakub@redhat.com>
155 * Makefile.in (gnucompare): Do comparison of all files using one of
156 the chosen methods and only afterwards decide if just warning should
157 be issued or comparison failure raised.
159 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
161 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
162 (noce_try_abs): Negate if the comparison is reversed.
163 Look only one instruction backwards for a REG_EQUAL note.
165 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
168 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
169 gthr-tpf.h: Define __gthrw. For all identifiers that might
170 be weak, introduce weakrefs or non-weak aliases with __gthrw,
171 and prefix all uses with __ghtrw.
173 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
176 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
177 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
178 * c-common.c (handle_weakref_attribute): New.
179 (c_common_attribute_table): Add weakref.
180 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
182 * configure, config.in: Rebuilt.
183 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
184 * doc/extend.texi: Document weakref attribute.
185 * varasm.c (ultimate_transparent_alias_target): New
186 (assemble_name): Use it.
187 (weak_finish_1): Split out of...
188 (weak_finish): ... and deal with weakrefs in...
189 (weakref_targets): ... new list.
190 (globalize_decl): Clean up weakref_targets.
191 (do_assemble_alias): Handle weakrefs.
192 (finish_aliases_1): Do not reject weakrefs to external symbols.
193 (assemble_alias): Handle weakrefs.
195 2005-11-09 Richard Guenther <rguenther@suse.de>
197 PR tree-optimization/24716
198 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
199 t_bool to track results from follow_ssa_edge.
201 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
203 * final.c (force_source_line): New global variable.
204 (final_scan_insn): Set it to true instead of clearing last_filename.
205 (notice_source_line): Return true if force_source_line is true,
206 unless source info is absent.
208 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
211 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
212 a linkage name for a variable if it a register variable.
213 * c-decl.c (grokdeclarator): Global register variables
214 should be set as PUBLIC.
216 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
219 * config/s390/s390.c (struct s390_frame_layout): New fields
220 first_save_gpr_slot and last_save_gpr_slot.
221 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
222 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
223 first_save_gpr and last_save_gpr with the _slot variants.
224 (s390_register_info): Calculate first_save_gpr_slot and
225 last_save_gpr_slot using regs_ever_live.
227 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
230 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
231 for a function containing a landing pad.
233 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
236 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
239 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
241 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
242 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
244 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
247 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
249 (call,load,store): New insn types.
250 (mem_access, branch_access): Adjust reservation conditions.
251 (define_delay): Adjust condition.
252 (decrement_and_branch_until_zero): Allow for ms2. Set branch
254 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
255 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
257 (call_internal, call_value_internal, return_internal,
258 return_interrupt_internal, eh_return_internal, indirect_jump,
259 tablejump): Set call insn type.
260 (blockage, ei, di): Use appropriate unspec const.
261 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
262 (ms1_get_attr_type): Adjust to give load & store types.
263 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
264 backwards past a barrier.
265 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
267 (struct branch_info, struct label_info): New.
269 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
270 (ms1_machine_reorg): New.
271 (TARGET_MACHINE_DEPENDENT_REORG): Override.
272 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
273 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
274 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
277 2005-11-09 Per Bothner <per@bothner.com>
278 Uros Bizjak <uros@kss-loka.si>
281 * toplev.c (process_options): Initialize debug_hooks early
282 in case lang_hooks.post_options ends up calling a debug_hook.
284 2005-11-08 Jakub Jelinek <jakub@redhat.com>
286 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
287 DBX_REGISTER_NUMBER being contiguous.
289 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
290 Diego Novillo <dnovillo@redhat.com>
293 * tree-vrp.c (register_edge_assert_for): Do not register
294 always-false predicates.
296 2005-11-08 Devang Patel <dpatel@apple.com>
298 PR tree-optimization/23115
299 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
302 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
304 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
307 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
309 Fix PR tree-optimization/23382
311 * tree-ssa-alias.c (compute_may_aliases): Call
312 delete_old_heap_vars.
313 * tree-dfa.c (referenced_var_remove): New function.
314 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
315 * tree-flow.h (referenced_var_remove): Add prototype.
316 (delete_old_heap_vars): Ditto.
317 * tree-ssa-structalias.c (heapvars): New variable.
318 (oldheapvars): Ditto.
319 (get_constraint_for): Put heap vars on heapvars list.
320 (delete_old_heap_vars): New function.
322 2005-11-08 Jason Merrill <jason@redhat.com>
324 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
326 2005-11-08 Uros Bizjak <uros@kss-loka.si>
329 * reg-stack.c (reg_to_stack): Update register liveness also
330 for flag_sched2_use_traces.
332 2005-11-08 Alan Modra <amodra@bigpond.net.au>
335 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
336 override prior explicit -mno-powerpc-gfxopt.
338 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
340 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
341 if the bitsize is zero.
342 * doc/md.texi (Standard Pattern Names): Document it.
344 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
345 (TARGET_PASS_BY_REFERENCE): Likewise.
347 2005-11-07 Ian Lance Taylor <ian@airs.com>
349 PR rtl-optimization/24683
350 * config/i386/i386.c (legitimize_pic_address): If constant operand
351 to PLUS is too large, put it in a register.
353 2005-11-07 Jie Zhang <jie.zhang@analog.com>
355 * configure.ac: Enable checking assembler dwarf2 support for bfin
357 * configure: Regenerate.
359 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
363 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
364 gen_easy_vector_constant_add_self): Delete.
365 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
367 (output_vec_const_move): Use gen_easy_altivec_constant.
368 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
369 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
370 (easy_vector_constant_add_self): Rewritten.
371 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
372 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
373 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
374 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
375 Macroize and adjust for the other changes.
377 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
381 * c-typeck.c (build_c_cast): Try using a shared constant, and see
382 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
384 2005-11-07 Jakub Jelinek <jakub@redhat.com>
386 PR rtl-optimization/23567
387 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
388 (noce_process_if_block): Don't do any optimizations except
389 if (cond) x = x; if !set_b and write into orig_x may trap
390 or fault. Remove the MEM_READONLY_P check.
392 2005-11-06 Diego Novillo <dnovillo@redhat.com>
395 * tree-vrp.c (fix_equivalence_set): New.
396 (extract_range_from_assert): Call it.
398 2005-11-05 Ian Lance Taylor <ian@airs.com>
401 * combine.c (apply_distributive_law): Don't distribute across a
404 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
406 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
407 config/ms1/ms1.h, config/rs6000/predicates.md,
408 config/s390/s390.c, params.def, postreload-gcse.c,
409 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
410 tree-vrp.c, tree.c: Fix comment typos.
411 * doc/invoke.texi: Fix typos.
413 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
415 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
416 for testing whether the data_dependence_relation contains distance
417 vectors. Iterate over all distance vectors of the ddr.
418 * lambda.h: Define a vec of lambda_vector pointers.
419 * tree-data-ref.c (dump_data_dependence_relation,
420 dump_data_dependence_direction): Iterate over all distance and
421 direction vectors of the ddr.
422 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
424 (build_classic_dist_vector, build_classic_dir_vector): Push a set
425 of distance/direction vectors instead of a single one.
426 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
427 lambda_vectors with a vec of lambda_vectors.
428 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
429 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
430 DDR_NUM_DIST_VECTS): New.
431 * tree-loop-linear.c (gather_interchange_stats): Test for the
432 existence of distance vectors only after having checked that there
433 is a dependence. Iterate over all distance vectors of the ddr.
434 (linear_transform_loops): Use dump_data_dependence_relation.
435 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
436 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
437 distance vectors of the ddr.
439 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
441 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
442 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
443 IS_INTHANDLER; all callers changed.
444 (n_regs_saved_by_prologue): Take interrupt handler attributes into
446 (do_link, do_unlink): New argument ALL; all callers changed.
447 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
448 If function isn't leaf, save and restore all registers.
449 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
452 2005-11-05 Jan Hubicka <jh@suse.cz>
454 PR rtl-optimization/23490
455 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
456 max-flow-memory-location): Document.
457 * flow.c: Include params.h
458 (MAX_MEM_SET_LIST_LEN): Kill.
459 (add_to_mem_set_list): Use new param.
460 * cse.c (cse_basic_block): Replace 1000 by new param.
461 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
462 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
463 * predict.c (predict_loops): Use new param.
464 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
466 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
467 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
468 Do not hold memory returned by cgraph_node_name across other call.
470 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
473 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
476 2005-11-04 Jeff Law <law@redhat.com>
479 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
480 * tree-ssa-dom.c: Include params.h.
481 (thread_across_edge): If there are too many statements in the
482 target block, then do not thread through it.
483 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
484 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
486 2005-11-03 Diego Novillo <dnovillo@redhat.com>
489 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
490 TODO_update_ssa instead of TODO_update_ssa_no_phi.
492 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
495 * tree-scalar-evolution.c (instantiate_parameters_1,
496 instantiate_parameters, resolve_mixers): Compute the size of an
497 expression to be instantiated and give up the instantiation if the
498 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
500 2005-11-04 Richard Guenther <rguenther@suse.de>
502 * tree-flow.h (ref_contains_indirect_ref): Rename to
503 array_ref_contains_indirect_ref.
504 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
505 (array_ref_contains_indirect_ref): Make comment match the code
507 (ref_contains_array_ref): Likewise.
508 * tree-ssa-structalias.c (find_func_aliases): Remove call to
509 ref_contains_indirect_ref.
510 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
511 Rename calls to ref_contains_indirect_ref.
513 2005-11-04 Paul Brook <paul@codesourcery.com>
515 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
516 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
517 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
518 * config/arm/arm.md: Use match_operand in peephole input templates
519 and match_dup in peephole output templates.
521 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
523 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
526 2005-11-04 Mark Mitchell <mark@codesourcery.com>
527 Daniel Jacobowitz <dan@codesourcery.com>
529 * longlong.h (add_ssaaaa): Clobber condition code register
531 (sub_ddmmss): Likewise.
532 (umul_ppmm): Likewise.
534 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
535 Paul Brook <paul@codesourcery.com>
536 Phil Blundell <pb@reciva.com>
538 * configure.ac: Add test for ARM TLS support.
539 * configure: Regenerated.
540 * config/arm/arm-protos.h (legitimize_tls_address)
541 (arm_tls_referenced_p, tls_mentioned_p)
542 (arm_output_addr_const_extra): New prototypes.
543 (thumb_legitimize_pic_address): Delete.
544 * config/arm/arm.c: Include "gt-arm.h".
545 (enum tls_reloc): New.
546 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
547 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
548 (arm_call_tls_get_addr, legitimize_tls_address)
549 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
550 (arm_init_tls_builtins, arm_emit_tls_decoration)
551 (arm_output_addr_const_extra): New functions.
552 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
553 (TARGET_HAVE_TLS): Define.
554 (target_thread_pointer): New.
555 (arm_override_options): Handle -mtp=.
556 (legitimize_pic_address): Ignore UNSPECs.
557 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
559 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
560 (tls_get_addr_libfunc): New variable.
561 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
562 (arm_init_builtins): Call arm_init_tls_builtins.
563 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
564 (arm_encode_section_info): Call default_encode_section_info.
565 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
566 (enum arm_tp_type): New.
567 (target_thread_pointer): Add declaration.
568 (LEGITIMATE_CONSTANT_P): Handle TLS.
569 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
570 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
571 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
572 * config/arm/arm.md: Add UNSPEC_TLS.
574 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
576 (tls_load_dot_plus_eight): New insn and a peephole to create it.
577 (load_tp_hard, load_tp_soft): New insns.
578 * arm.opt: Add -mtp=.
579 * doc/invoke.texi (ARM Options): Document -mtp.
581 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
583 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
584 * config/arm/libunwind.S: Include "lib1funcs.asm".
585 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
586 (LIB2ADDEH): Add libunwind.S.
587 (LIB2ADDEHDEP): Add lib1funcs.asm.
588 * mklibgcc.in: Handle asm files in libgcc_eh.a.
590 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
593 * gcc/c.opt: Add a -lang-fortran option.
594 * gcc/c-opts.c: Add a lang_fortran flag.
595 (c_common_init_options): Handling the -lang-fortran option.
596 (c_common_handle_option): Add a case for Fortran options in
597 preprocessing. Remove cases for -ffixed-form and
598 -ffixed-line-length. Add a case for -lang-fortran.
600 2005-11-03 David Edelsohn <edelsohn@gnu.org>
602 * config/rs6000/rs6000.c: Include params.h
603 (optimization_options): Set max-grow-copy-bb-insns default to 16.
604 (bdesc_2arg): Delete vpkuhss and vpkuwss.
605 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
606 (UNSPEC_VPKUWSS): Delete.
607 (altivec_vpkuhss): Delete.
608 (altivec_vpkuwss): Delete.
609 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
611 (neg_eq0<mode>): Remove final condition.
612 (neg_eq<mode>): Remove condition and split-condition.
614 2005-11-04 Alan Modra <amodra@bigpond.net.au>
616 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
617 Use associated print macros.
619 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
622 * diagnostic.c (diagnostic_set_info_translated): New function.
623 (diagnostic_set_info): Use it. Add comment.
624 * diagnostic.h (diagnostic_set_info_translated): Declare.
626 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
628 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
629 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
630 reference only if 'public' is true.
631 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
632 emit the .hidden directive only if the indirect reference is public.
633 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
634 Pass it to dw2_force_const_mem.
635 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
636 * dwarf2out.c (output_cfi): Adjust calls to above function.
637 (output_call_frame_info): Likewise.
638 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
639 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
641 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
643 PR tree-optimization/24483
644 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
645 field to elts if possible.
647 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
650 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
653 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
655 Fix PR tree-optimization/24351
657 * tree-ssa-structalias.c (struct variable_info): Add
659 (get_varinfo_fc): New function to follow collapsing.
660 (new_var_info): Set collapsed_to to NULL.
661 (dump_constraint): Follow collapsing.
662 (build_constraint_graph): Handle collapsing.
663 (do_simple_structure_copy): Return false if something bad
665 (collapse_rest_of_var): New function.
666 (do_structure_copy): Collapse if do_simple_structure_copy returns
669 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
672 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
673 expressions to a statement list instead of gimplifying them.
675 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
677 PR rtl-optimization/23585
678 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
679 that can't trap plus a constant integer, if the mode has zero size.
681 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
684 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
686 ("*insv<mode>_reg_extimm"): Likewise.
688 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
691 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
692 c_common_type_for_mode returns an unnamed type.
694 2005-11-02 Richard Henderson <rth@redhat.com>
698 * dwarf2out.c (dwarf2out_reg_save_reg): New.
699 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
700 * function.c (assign_parms): Use calls.internal_arg_pointer.
701 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
703 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
704 (TARGET_CALLS): Add it.
705 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
706 * targhooks.c (default_internal_arg_pointer): New.
707 * targhooks.h (default_internal_arg_pointer): Declare.
708 * tree.h (dwarf2out_reg_save_reg): Declare.
709 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
710 * config/i386/i386.c (dbx_register_map): Add return column.
711 (dbx64_register_map, svr4_dbx_register_map): Likewise.
712 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
713 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
714 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
715 (ix86_save_reg): Save force_align_arg_pointer.
716 (ix86_emit_save_regs): Make regno unsigned.
717 (ix86_emit_save_regs_using_mov): Likewise.
718 (ix86_expand_prologue): Handle force_align_arg_pointer.
719 (ix86_expand_epilogue): Likewise.
720 * config/i386/i386.h: (dbx_register_map): Update.
721 (dbx64_register_map, svr4_dbx_register_map): Update.
722 (struct machine_function): Add force_align_arg_pointer.
723 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
724 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
725 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
727 2005-11-02 Jan Hubicka <jh@suse.cz>
730 * i386.md: Add peep2 for simplyfing array accesses.
732 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
735 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
736 * config/s390/s390.c (s390_decompose_shift_count): New function.
737 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
738 (print_shift_count_operand): Use s390_decompose_shift_count.
739 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
740 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
742 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
745 * loop.c (loop_givs_rescan): Use force_operand to expand
748 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
751 * fold-const.c (build_range_check): Use unsigned when signed
752 overflow is undefined also. If etype is subtype, make sure that
753 the subtraction is in the supertype.
755 2005-11-02 Richard Henderson <rth@redhat.com>
758 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
761 2005-11-01 Richard Henderson <rth@redhat.com>
764 * loop.c (scan_loop): Do not propagate computations to a hard
765 register destination with SMALL_REGISTER_CLASSES.
767 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
769 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
770 costs for MULT inside PLUS or MINUS.
772 2005-11-01 Bob Wilson <bob.wilson@acm.org>
774 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
775 (TRAMPOLINE_SIZE): Round up to 60.
776 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
778 2005-10-31 James E. Wilson <wilson@specifix.com>
781 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
782 ifdef. Put ifdefs around call in gen_subprogram_die.
783 (compute_frame_pointer_to_cfa_displacement): Likewise.
784 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
787 PR rtl-optimization/17356
788 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
789 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
791 2005-10-31 Jan Hubicka <jh@suse.cz>
794 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
797 * i386.c (legitimize_pic_address): Deal with large immediates.
800 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
801 from symbol names while computing checkup.
804 * predict.c (predict_loops): Do not estimate more than
805 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
806 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
808 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
810 PR tree-optimization/19097
811 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
813 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
815 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
817 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
820 * tree-inline.c (setup_one_parameter): If the init_stmt
821 is NULL, don't insert the statement.
823 2005-10-30 Jan Hubicka <jh@suse.cz>
825 PR tree-optimization/24172
826 * tree-inline.c (copy_body_r): Unshare the substituted value first.
828 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
830 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
831 constants for hosts with long != 32 bits.
833 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
836 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
838 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
840 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
841 (TARGET_MS1_16_002): New.
842 (TARGET_MS1_16_003): New.
844 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
845 ("*decrement_and_branch_until_zero_no_clobber"): New.
846 Add corresponding splitter for decrement_and_branch_until_zero
848 Key all decrement_and_branch_until_zero patterns off of
851 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
854 * tree-complex.c (extract_component): Treat RESULT_DECL
855 like the rest of the decls.
857 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
859 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
860 indirect call to _mcount if the function needs a static chain.
862 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
863 Caroline Tice <ctice@apple.com>
865 PR rtl-optimization/24460
866 * dwarf2out.c (have_switched_text_sections): New boolean variable.
867 (dwarf2out_switch_text_section): Set it to true instead of
868 incrementing separate_line_info_table_in_use.
869 (output_loc_list): Additionally test have_switched_text_sections.
870 (output_ranges): Likewise.
871 (dwarf2out_finish): Likewise.
872 * varasm.c (assemble_start_function): Do not call
873 insert_section_boundary_note.
874 (assemble_end_function): If flag_reorder_blocks_and_partition,
875 switch to the function's section before emitting the .size directive.
876 * bb-reorder.c (insert_section_boundary_note): Staticify.
877 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
878 * output.h (insert_section_boundary_note): Delete.
880 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
883 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
884 instead of pointer equality when comparing types.
886 2005-10-24 James E. Wilson <wilson@specifix.com>
888 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
889 add_dependence_list_and_free calls.
891 2005-10-24 Steven Bosscher <stevenb@suse.de>
893 * contrib.texi: Add the names of the LLNL folks who donated
894 Cray pointer support for gfortran.
896 2005-10-24 Steven Bosscher <stevenb@suse.de>
898 PR tree-optimization/24225
899 * profile.c (branch_prob): Look from end to start through a
900 basic block when looking for a locus.
902 2005-10-24 Richard Henderson <rth@redhat.com>
904 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
906 (hppa_expand_prologue): Likewise.
908 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
910 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
911 (NO_DEFERRED_PROFILE_COUNTERS): Define.
912 * pa.h (NO_PROFILE_COUNTERS): Define.
913 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
914 (funcdef_nos): New vector to hold label numbers of deferred profile
916 (output_deferred_profile_counters): New function.
917 (hppa_profile_hook): Push label number onto funcdef_nos.
918 (pa_hpux_file_end): Call output_deferred_profile_counters if
919 NO_DEFERRED_PROFILE_COUNTERS is false.
921 * pa-protos.h (get_deferred_plabel): New prototype.
922 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
924 (output_call): Adjust calls.
926 2005-10-24 Alan Modra <amodra@bigpond.net.au>
928 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
929 peculiarity of GOT/TOC section usage.
931 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
934 * c-common.c (constant_string_class_name): Add documentation.
936 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
939 * recog.c (peephole2_optimize): Increment peep2_current_count
940 only when the slot is empty.
942 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
945 * except.c (output_function_exception_table): Call
946 assemble_external_libcall if we need a personality function.
948 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
950 PR rtl-optimization/24460
951 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
952 set the basic block for barriers.
954 2005-10-21 Janis Johnson <janis187@us.ibm.com>
956 * var-tracking.c (vt_initialize): Initialize post.
958 2005-10-21 Devang Patel <dpatel@apple.com>
961 * c-common.c (vector_types_convertible_p): Check vector element type.
963 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
965 * config/sh/sh.c (prepare_move_operands): Handle the address
966 constant which is a tls symbolic address plus a constant.
968 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
971 * gcc.c (main): Use the correct counter for erroring out
972 about mulitple files.
974 2005-10-21 Alan Modra <amodra@bigpond.net.au>
977 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
978 use r2 for 64-bit tls .got access.
980 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
982 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
985 2005-10-20 Steven Bosscher <stevenb@suse.de>
987 PR tree-optimization/24307
988 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
990 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
993 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
995 * varasm.c (find_decl_and_mark_needed): After cgraph global info
996 is ready, stop marking functions, but still mark variables.
998 2005-10-20 Richard Guenther <rguenther@suse.de>
1001 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
1004 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1006 PR rtl-optimization/23585
1007 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
1008 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
1009 (may_trap_p_1): New predicate extracted from...
1010 (may_trap_p): ... here. Invoke may_trap_p_1.
1011 (may_trap_or_fault_p): New predicate.
1012 * rtl.h (may_trap_or_fault_p): Declare it.
1013 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
1014 instead of may_trap_p.
1015 (steal_delay_list_from_fallthrough): Likewise.
1016 (fill_simple_delay_slots): Likewise.
1017 (fill_slots_from_thread): Likewise.
1018 * function.c (pad_to_arg_alignment): Rework comment about
1019 SPARC_STACK_BOUNDARY_HACK.
1020 * config/sparc/sparc.h: Likewise.
1022 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
1024 * config/s390/s390.c (s390_expand_insv): New.
1025 * config/s390/s390-protos.h (s390_expand_insv): Declare.
1026 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
1027 ("icm_hi"): Remove mode attribute.
1028 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
1030 ("*extracthi", "*extractqi"): Remove.
1031 (extv<mode>", "*extzv<mode>"): New.
1032 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
1033 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
1035 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1037 * cfgexpand.c (discover_nonconstant_array_refs_r,
1038 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
1039 (tree_expand_cfg): Call discover_nonconstant_array_refs.
1040 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
1041 discover_nonconstant_array_refs.
1043 2005-10-19 Steven Bosscher <stevenb@suse.de>
1046 * c-decl.c (pop_scope): Don't warn about an unused variable
1047 if it is marked with TREE_NO_WARNING.
1048 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
1049 somenow mismatch and olddecl is to be replaced.
1051 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
1054 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
1055 whether registers live on the edge can be saved/restored.
1057 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
1059 * config/sh/sh.c (fixup_mova): Skip notes.
1061 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1063 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
1064 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
1065 (s390_can_eliminate): Handle BASE_REGNUM elimination.
1066 (s390_initial_elimination_offset): Likewise.
1067 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
1068 register on TARGET_ZARCH targets.
1069 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
1070 (INITIAL_FRAME_POINTER_OFFSET): Remove.
1071 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
1072 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
1074 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1076 * config/s390/s390.md: Comment describing output modifiers updated.
1077 * config/s390/s390.c (print_operand): Likewise.
1079 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1081 * config/s390/s390.c (override_options): Added check for -mstack-size
1083 * doc/invoke.texi: Mention that limit in the documenation.
1085 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
1088 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
1090 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
1092 Fix PR tree-optimization/24231
1094 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
1095 (compute_avail): Ditto.
1097 2005-10-18 Richard Henderson <rth@redhat.com>
1100 * config/i386/i386.c (legitimate_constant_p): Check
1101 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
1103 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
1104 (legitimate_pic_address_disp_p): Reorg CONST checking to make
1105 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
1107 (print_operand_address): Likewise.
1108 * config/i386/predicates.md (x86_64_immediate_operand): Test
1109 SYMBOL_REF_TLS_MODEL properly inside CONST.
1110 (x86_64_zext_immediate_operand): Likewise.
1111 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
1112 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
1113 * config/i386/i386-protos.h: Remove predicates.md entries.
1115 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
1117 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1118 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
1120 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
1121 Ian Lance Taylor <ian@airs.com>
1124 * fold-const.c (fold_widened_comparison): Do not allow range based
1125 constant folding when right operand cannot be unwidened.
1127 2005-10-17 Richard Henderson <rth@redhat.com>
1129 * builtins.c (expand_builtin_synchronize): Build a new-style asm
1130 with a memory clobber.
1132 2005-10-17 James E Wilson <wilson@specifix.com>
1134 PR rtl-optimization/17356
1135 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
1136 checking for EDGE_EH.
1138 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1140 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
1141 the slot on an even boundary for any type with 16-byte alignment.
1143 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
1146 * md.texi (Modifiers) <%>: Clarify that % doesn't work
1147 after register allocation.
1149 2005-10-17 DJ Delorie <dj@redhat.com>
1151 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
1154 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
1157 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
1160 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
1162 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
1163 to 2 if it's already non-zero.
1164 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
1165 is set and warn about it if flag_schedule_insns is 1.
1167 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
1169 * config/crx/crx.md: Compare-and-branch instructions need to
1172 2005-10-17 Uros Bizjak <uros@kss-loka.si>
1175 * config/i386/i386.md (*pushdi2_rex64 splitter)
1176 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
1177 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
1178 flow2 pass only when (optimize > 0 && flag_peephole2).
1180 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
1183 * gcc.c (have_c): New static variable.
1185 (process_command): Remove declation of have_c.
1186 Set have_o to 1 when handling -o.
1187 (main): Add a fatel error if there are multiple
1188 files specified and -o and -c/-S is passed witout
1189 -combine or multiple languages.
1191 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
1193 Fix PR tree-optimization/22444
1194 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
1195 Assert that we don't hit something with subvars.
1196 (setup_pointers_and_addressables): Don't add things with subvars,
1197 because we'll already process the subvars for aliasing purposes.
1199 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
1202 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
1203 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
1204 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
1205 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
1206 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
1207 swapped, alternatives for the R constraint.
1210 * builtins.c (get_builtin_sync_mode): Make unlimited
1211 mode_for_size request.
1213 2005-10-15 Richard Henderson <rth@redhat.com>
1215 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
1216 (gimplify_expr): ... here.
1217 (gimplify_compound_lval): Use it in initial scan loop. Allow
1218 fb_lvalue in base expression.
1220 2005-10-15 Richard Henderson <rth@redhat.com>
1223 * builtins.c (expand_builtin_trap): Export.
1224 * expr.h (expand_builtin_trap): Declare.
1225 * expr.c (expand_assignment): Emit a trap for integral offsets
1226 from registers that weren't reduced to bitpos.
1228 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
1229 (mark_array_ref_addressable): Remove.
1230 * tree-flow.h (mark_array_ref_addressable): Remove.
1231 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
1233 2005-10-15 James E Wilson <wilson@specifix.com>
1236 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
1237 (add_dependence_list_and_free): Likewise.
1238 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
1241 2005-10-15 Diego Novillo <dnovillo@redhat.com>
1245 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
1246 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
1248 (vrp_visit_phi_node): Only prevent infinite iterations when
1249 the previous result and the new result are both VR_RANGEs.
1251 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
1253 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
1256 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1259 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
1262 2005-10-14 Per Bothner <per@bothner.com>
1264 PR preprocessor/21250
1265 * c-ppoutput.c (print_line): Print internal line 0 as 1.
1267 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
1270 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
1271 overflow flags. Refactor some conditionals.
1273 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
1276 * tree-dfa.c (add_referenced_var): Only look at decls which
1277 have TREE_CONSTANT or TREE_READONLY set instead of if
1278 !TREE_PUBLIC or !TREE_CONSTANT.
1280 2005-10-13 James E Wilson <wilson@specifix.com>
1282 * doc/invoke.texi: For -x, add f95-cpp-input.
1283 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
1285 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
1287 PR tree-optimization/24262
1288 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
1289 in loop all the time.
1291 2005-10-12 Richard Henderson <rth@redhat.com>
1294 * tree.h (DECL_TRANSPARENT_UNION): Remove.
1295 * function.c (assign_parm_find_data_types): Don't support it.
1296 * print-tree.c (print_node): Likewise.
1297 * c-common.c (handle_transparent_union_attribute): Likewise.
1298 Use build_duplicate_type.
1299 * tree-inline.c (remap_type_1): Split out of remap_type;
1300 properly remap aggregate fields.
1301 (build_duplicate_type): New.
1302 * doc/extend.texi (Variable Attributes): Remove documentation
1303 for transparent_union.
1305 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1308 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
1309 (gen_stack_pointer_dec): Likewise.
1311 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
1315 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
1317 (struct cxx): Add adjust_class_at_definition target hook.
1318 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
1319 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
1320 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
1321 hook_void_tree. Add to TARGET_CXX.
1322 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
1324 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
1325 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
1326 instead of attribute. Check for dllexport override. Warn if
1327 inconsistent dll linkage. Don't lose old dllimport if decl has
1328 had address referenced. Tweak lookup of dllimport atribute.
1329 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
1330 for target specific rules. Don't add dllimport attribute if
1331 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
1332 dllimport attribute.
1333 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
1334 * varasm.c (initializer_constant_valid_p): Replace
1335 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
1339 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
1340 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
1341 (i[34567]86-*-mingw32*): Likewise.
1343 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
1344 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
1346 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
1347 C++-specific code. Change return value to bool.
1348 (i386_pe_dllimport_p): Likewise.
1349 (associated_type): Simplify and make language-independent
1350 (i386_pe_encode_section_info): Replace override of ambiguous
1351 dllimport symbol refs with a gcc_assert.
1352 (i386_pe_valid_dllimport_attribute_p): Define.
1353 * config/i386/winnt-cxx.c: New file. Define C++ versions of
1354 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1355 i386_pe_adjust_class_at_definition.
1356 * config/i386/winnt-stubs.c: New file. Define stub versions of
1357 lang-specific functions.
1358 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
1359 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1360 i386_pe_adjust_class_at_definition.
1361 (i386_pe_valid_dllimport_attribute_p): Declare.
1362 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
1363 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
1364 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
1367 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
1368 dllimport attribute with test of DECL_DLLIMPORT_P.
1370 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
1372 * combine.c (make_extraction): Correct offset computation.
1374 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
1376 * config/cris/t-linux (LIMITS_H_TEST): Define.
1378 2005-10-12 Richard Henderson <rth@redhat.com>
1381 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
1383 2005-10-12 Richard Guenther <rguenther@suse.de>
1385 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
1387 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
1390 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
1391 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
1394 2005-10-12 Richard Guenther <rguenther@suse.de>
1397 * varasm.c (output_constant): Correct typo from previous
1400 2005-10-11 Ian Lance Taylor <ian@airs.com>
1402 PR rtl-optimization/13931
1403 * combine.c: Revert patch of 2003-05-14, and:
1404 (try_combine): Only set elim_i1 and elim_i2 if the destination is
1405 completely killed in the appropriate insn.
1406 (distribute_notes): Don't skip multiple hard register test for
1407 elim_i1 and elim_i2.
1409 2005-10-11 Richard Henderson <rth@redhat.com>
1412 * c-typeck.c (convert_for_assignment): Use build_constructor_single
1413 to initialize a transparent union instead of a nop_expr.
1415 2005-10-11 Richard Henderson <rth@redhat.com>
1417 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
1418 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
1419 (tree_ssa_dce_loop): Call scev_reset.
1422 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
1423 * tree-ssa-dce.c: Include cfgloop.h.
1424 (tree_ssa_dce_loop, pass_dce_loop): New.
1425 * tree-pass.h (pass_dce_loop): Declare it.
1426 * passes.c (init_optimization_passes): Use it.
1428 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1431 * convert.c (convert_to_real): Revert 2005-10-05 patch.
1432 Only apply the optimization for rounding builtins if the inner
1433 cast is also an extension.
1435 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
1438 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
1439 mark_new_vars_to_rename instead of update_stmt.
1441 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
1443 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
1445 2005-10-11 Jakub Jelinek <jakub@redhat.com>
1447 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
1448 for setting MMX register to 0 rather than mmx.
1450 2005-10-10 Steve Ellcey <sje@cup.hp.com>
1453 * configure.ac: Move gas check from mips specific case to common case.
1454 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
1455 * configure: Regenerate
1456 * doc/install.texi: Update.
1458 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1461 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
1463 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
1465 * gcc.c (do_spec_1): Accept numeric characters in file name
1468 2005-10-10 Nick Clifton <nickc@redhat.com>
1470 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
1471 describing the deleted arm_gen_rotated_half_load function.
1473 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
1475 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
1478 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
1480 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
1482 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
1483 (EXTRA_MULTILIB_PARTS): Define.
1484 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1485 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1486 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
1487 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1488 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1489 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
1491 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
1493 PR tree-optimization/24226
1494 * tree-cfg.c (remove_bb): Clean up unreachable loops.
1495 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
1496 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
1499 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1501 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
1503 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
1506 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
1507 Rewrite for no need for the early clobber.
1509 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1511 Merge from csl-arm-branch:
1512 2005-09-07 Paul Brook <paul@codesourcery.com>
1513 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
1516 2005-04-30 Paul Brook <paul@codesourcery.com>
1517 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
1518 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
1520 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
1521 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
1522 (arm_override_options): Use TARGET_AAPCS_BASED.
1523 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
1524 (PTRDIFF_TYPE): Use int for AAPCS.
1525 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
1526 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
1527 (DEFAULT_SHORT_ENUMS): Delete.
1528 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
1530 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
1531 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
1532 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
1533 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
1535 2004-12-03 Mark Mitchell <mark@codesourcery.com>
1536 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
1538 2004-11-22 Mark Mitchell <mark@codesourcery.com>
1539 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
1541 2004-11-19 Mark Mitchell <mark@codesourcery.com>
1542 * config.gcc (arm*-*-linux-gnueabi): Add it.
1543 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
1545 (TARGET_OS_CPP_BUILTINS): Likeiwse.
1546 * config/arm/linux-eabi.h: New file.
1547 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
1548 (LINUX_TARET_LINK_SPEC): Likewise.
1549 (LINK_SPEC): Use it.
1550 * config/arm/t-linux-eabi: New file.
1552 2005-10-08 Steven Bosscher <stevenb@suse.de>
1555 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
1557 (PARAM_SMS_DFA_HISTORY): Likewise.
1559 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1562 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
1563 (load_register_parameters): Call it.
1564 (check_sibcall_argument_overlap_1): Likewise.
1565 (store_one_arg): Likewise.
1567 2005-10-07 James E. Wilson <wilson@specifix.com>
1569 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
1570 DImode not VECINT24 for operand 2.
1573 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
1577 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
1578 fr_spill): Use destination_operand for operand 0.
1580 2005-10-07 DJ Delorie <dj@redhat.com>
1582 * varasm.c (output_constant): Limit error to expanding
1585 2005-10-07 Richard Guenther <rguenther@suse.de>
1588 * fold-const.c (fold_binary): Fix operand types during folding
1589 of X op (A, Y). Evaluation order of the side-effects of
1590 X and A are frontend-defined, so ensure we honour that even for
1591 tcc_comparison class operands; eased by removing duplicate code.
1593 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1595 * stor-layout.c (layout_type): Do not allow alignment of array
1596 elements to be greater than their size.
1598 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1600 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
1602 (hppa*-*-linux*): Ditto.
1603 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
1604 * config/host-hpux.c: New.
1605 * config/x-hpux: New.
1606 * config/pa/x-hpux: Remove.
1607 * config/pa/x-linux: Remove.
1608 * config/pa/pa-host.c: Remove.
1610 2005-10-07 Jeff Law <law@redhat.com>
1612 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
1613 determine whether or not to try and thread outgoing edges.
1615 2005-10-07 David Edelsohn <edelsohn@gnu.org>
1617 * config/rs6000/rs6000.md (eqsi_power): New.
1618 (neg_eq0si): Add TARGET_POWER to final condition.
1621 2005-10-06 Richard Henderson <rth@redhat.com>
1623 * config/rs6000/rs6000.c: Revert last change.
1625 2005-10-06 Richard Henderson <rth@redhat.com>
1627 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
1628 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
1630 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
1634 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
1635 out return_label and naked_return_label.
1637 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1639 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
1642 2005-10-06 Richard Henderson <rth@redhat.com>
1645 * tree-inline.c (declare_return_variable): Handle modify_dest not
1648 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1650 Fix PR tree-optimization/22488
1651 * tree-ssa-structalias.c (check_for_overlaps): New function.
1652 (create_variable_info_for): Use it.
1654 2005-10-06 Richard Henderson <rth@redhat.com>
1657 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
1658 (dwarf2out_start_source_file): Print it.
1660 2005-10-06 Geoffrey Keating <geoffk@apple.com>
1662 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
1664 2005-10-06 Richard Henderson <rth@redhat.com>
1667 * mode-switching.c (optimize_mode_switching): Clear transp bit
1668 for block with incomming abnormal edges.
1670 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
1671 (fpscr_set_from_mem): Use them.
1672 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
1673 (fpscr postinc splitters): Rewrite as peephole2+split.
1675 2005-10-06 David Edelsohn <edelsohn@gnu.org>
1677 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
1678 (eq<mode>_compare): Same.
1680 2005-10-06 Richard Guenther <rguenther@suse.de>
1682 PR tree-optimization/24238
1683 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
1685 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
1687 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
1688 here. Use AC_PATH_PROG for environment variables instead of
1690 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
1692 * configure: Regenerated.
1694 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
1697 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
1698 then force it into a register.
1699 (call_value): Likewise.
1701 2005-10-06 Richard Henderson <rth@redhat.com>
1704 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
1705 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
1706 under pass_vectorize.
1708 2005-10-05 Devang Patel <dpatel@apple.com>
1711 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
1712 handling constants. Check NAMESPACE_DECL context for constants.
1714 2005-10-05 Eric Christopher <echristo@apple.com>
1716 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
1718 2005-10-05 Richard Henderson <rth@redhat.com>
1721 * tree-cfg.c (mark_array_ref_addressable_1): New.
1722 (mark_array_ref_addressable): New.
1723 * tree-flow.h (mark_array_ref_addressable): Declare.
1724 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
1726 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
1730 * reload.c (subst_reloads): When adding a REG_LABEL to a
1731 jump instruction, also update JUMP_LABEL.
1733 2005-10-05 David Edelsohn <edelsohn@gnu.org>
1735 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
1736 * bb-reorder.c (copy_bb_p): Use it.
1737 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
1739 2005-10-05 Richard Henderson <rth@redhat.com>
1742 * toplev.c (process_options): Warn about unsupported combinations
1743 of unwind tables and omit-frame-pointer.
1744 * config/i386/i386.c (override_options): Similarly. Enable
1745 accumulate-outgoing-args if not explicitly disabled.
1747 2005-10-05 Steve Ellcey <sje@cup.hp.com>
1749 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
1750 Handle big endian vs. small endian.
1751 (vec_initv2sf): Handle big endian vs. small endian.
1752 (*vec_extractv2sf_1): Ditto.
1754 2005-10-05 Dale Johannesen <dalej@apple.com>
1756 * convert.c (convert_to_real): Don't convert
1757 (float)floor(double d) to floorf((float)d).
1759 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
1761 * config/arm/arm.md (insv): Use gen_int_mode in more places.
1763 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
1765 PR tree-optimization/18587
1766 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
1767 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
1768 build_vuses): Change to VEC type.
1769 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
1770 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
1771 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
1772 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
1773 (get_name_decl): New. Return DECL_UID of base variable.
1774 (operand_build_cmp): New. qsort comparison routine.
1775 (operand_build_sort_virtual): New. Sort virtual build vector.
1776 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
1777 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
1778 (FINALIZE_BASE): Use get_name_decl.
1779 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
1780 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
1781 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
1782 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
1783 direct VEC_* manipulations.
1784 (build_ssa_operands): Call operand_build_sort_virtual.
1785 (copy_virtual_operand, create_ssa_artficial_load_stmt,
1786 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
1787 with direct VEC_* manipulations.
1788 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
1789 with direct VEC manipulations.
1791 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
1793 PR tree-optimization/21419
1794 PR tree-optimization/24146
1795 PR tree-optimization/24151
1797 * c-typeck.c (readonly_error): Handle USE being lv_asm.
1798 (build_asm_expr): Call it if outputs are read-only.
1799 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
1801 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
1802 Paolo Bonzini <bonzini@gnu.org>
1806 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
1807 enable the instructions and not just the built-ins.
1808 * doc/invoke.texi (x86 Options): Likewise.
1810 2005-10-04 Geoffrey Keating <geoffk@apple.com>
1812 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
1814 * doc/invoke.texi (Option Summary): Correct spelling
1815 of -mmacosx-version-min.
1817 2005-10-04 Devang Patel <dpatel@apple.com>
1819 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
1822 2005-10-04 Steve Ellcey <sje@cup.hp.com>
1824 * tree-vect-transform.c (vect_create_epilog_for_reduction):
1825 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
1827 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
1829 * config/s390/s390.md ("TDSI","DP"): New mode macros.
1830 ("TE","tg"): New mode attributes.
1831 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
1832 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
1833 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
1834 dword_mode and one for GPRmode.
1836 2005-10-04 Ian Lance Taylor <ian@airs.com>
1838 PR preprocessor/13726
1839 * c-ppoutput.c (cb_include): Add comments parameter, and print out
1840 any comments passed in.
1842 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1844 * tree.c (annotate_with_file_line): Fix typo.
1846 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1849 * builtins.c (fold_builtin_memcmp): When constructing the pointer
1850 type used to access data in the inlined length == 1 case, use
1851 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
1852 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
1854 2005-10-04 Uros Bizjak <uros@kss-loka.si>
1856 * config/i386/i386.h (TARGET_FISTTP): Enable also for
1857 TARGET_SSE3 and only for TARGET_80387.
1858 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
1859 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
1860 Do not depend on TARGET_80387.
1862 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1864 * tree.c (last_annotated_node): Change type to location_t*.
1865 (annotate_with_file_line): Reflect the change of
1866 last_annotated_node type.
1868 2005-10-04 Richard Guenther <rguenther@suse.de>
1871 * c-decl.c (grokdeclarator): Don't write to fields
1874 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1877 * c-decl.c (finish_decl): Use set_user_assembler_name even for
1879 * varasm.c (make_decl_rtl): If a register variable does not
1880 have a set user assmbler name, error out.
1881 Decode the asmspec is now name+1 bypassing '*'.
1883 2005-10-04 Steven Bosscher <stevenb@suse.de>
1885 PR tree-optimization/23049
1886 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
1887 of a COND_EXPR is folded before calling fold on the whole rhs of a
1888 conditional assignment.
1889 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
1890 document that a COND_EXPR may appear there.
1892 2005-10-03 Diego Novillo <dnovillo@redhat.com>
1895 * tree-vrp.c (extract_range_from_assert): If the new numeric
1896 range created out of the assertion contradicts the existing
1897 numeric range of the ASSERT_EXPR variable, make the new range
1900 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
1902 * config/sh/sh.c (sh_register_move_cost): Add case for moving
1903 from T_REGS to FP register class.
1905 2005-10-03 Richard Henderson <rth@redhat.com>
1908 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
1909 before creating a new one.
1911 2005-10-03 David Edelsohn <edelsohn@gnu.org>
1913 * config/rs6000/t-aix43 (LDFLAGS): New.
1914 * config/rs6000/t-aix52 (LDFLAGS): New.
1916 2005-10-03 Ian Lance Taylor <ian@airs.com>
1918 * gimplify.c (find_single_pointer_decl_1): New static function.
1919 (find_single_pointer_decl): New static function.
1920 (internal_get_tmp_var): For a formal variable, set restrict base
1921 information if appropriate.
1922 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
1924 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
1925 (DECL_GET_RESTRICT_BASE): Define.
1926 (SET_DECL_RESTRICT_BASE): Define.
1927 (decl_restrict_base_lookup): Declare.
1928 (decl_restrict_base_insert): Declare.
1929 (struct tree_decl_with_vis): Add based_on_restrict_p field.
1930 * tree.c (restrict_base_for_decl): New static variable.
1931 (init_ttree): Initialize restrict_base_for_decl.
1932 (copy_node_stat): Copy restrict base information.
1933 (decl_restrict_base_lookup): New function.
1934 (decl_restrict_base_insert): New function.
1935 (print_restrict_base_statistics): New static function.
1936 (dump_tree_statistics): Call print_restrict_base_statistics.
1938 2005-10-02 Diego Novillo <dnovillo@redhat.com>
1941 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
1942 case of anti-ranges.
1944 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
1947 * c-typeck.c (tagged_tu_seen): Rename to ...
1948 (tagged_tu_seen_cache): this and add val field.
1949 (comptypes): Move functional to comptypes_internal
1950 and free tagged_tu_seen.
1951 (comptypes_internal): New function and call comptypes_internal
1952 instead of comptypes. Speed up by sibcalling
1953 tagged_types_tu_compatible_p.
1954 (alloc_tagged_tu_seen): New function
1955 (free_all_tagged_tu_seen_up_to): New function.
1956 (tagged_types_tu_compatible_p): Return the val of the seen two
1958 Add that the two types are the same to tagged_tu_seen_base
1959 if they are and call comptypes_internal instead of comptypes.
1960 <case UNION_TYPE>: Speed up common type where the fields are
1962 (function_types_compatible_p): Call comptypes_internal instead of
1964 (type_lists_compatible_p): Likewise.
1965 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
1967 2005-10-02 Matthias Klose <doko@debian.org>
1969 * doc/invoke.texi: Fix typo and speling error.
1971 2005-10-01 Richard Henderson <rth@redhat.com>
1973 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
1975 2005-10-01 Mark Mitchell <mark@codesourcery.com>
1977 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
1978 using --start-group and --end-group.
1980 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1982 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
1983 FIXME note regarding quirky semantics.
1985 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1988 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
1989 non-null range as a last resort.
1991 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
1992 Diego Novillo <dnovillo@redhat.com>
1995 * tree-vrp.c (extract_range_from_assert): For !=
1996 assertions, only build an anti-range if LIMIT is a
1997 single-valued range.
1999 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
2001 * arm.md (movqi): On thumb when optimizing, handle loading from
2002 memory by describing this as taking a subreg of a zero-extended load
2003 into an SImode register.
2006 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
2008 * reload1.c (merge_assigned_reloads): Do not change any
2009 RELOAD_FOR_OUTPUT_ADDRESS reloads.
2011 2005-09-30 Geoffrey Keating <geoffk@apple.com>
2013 * Makefile.in (LIPO_FOR_TARGET): Define.
2014 (STRIP_FOR_TARGET): Define.
2016 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
2017 before creating new ones. Do symlinks before creating the actual
2020 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
2021 to work out which multilibs are actually being built.
2023 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
2025 * tree-vect-transform.c, config/ms1/ms1.md,
2026 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
2027 Follow spelling conventions.
2028 * doc/invoke.texi, doc/md.texi: Fix typos.
2030 2005-09-30 Andrew Macleod <amacleod@redat.com>
2032 PR tree-optimization/21430
2033 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
2034 use operands, and set stmt pointer if need be.
2035 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
2036 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
2039 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2042 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
2044 2005-09-29 Mark Mitchell <mark@codesourcery.com>
2046 * optabs.c (expand_binop): Initialize first_pass_p.
2048 2005-09-29 Jakub Jelinek <jakub@redhat.com>
2051 * c-decl.c (c_write_global_declarations_1): If any
2052 wrapup_global_declaration_2 call returned true, restart the loop.
2054 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
2056 Fix PR tree-optimization/24117
2057 * tree-ssa-structalias.c (find_func_aliases): Strip nops
2058 before considering whether to use anyoffset.
2060 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
2064 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2066 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2068 (swap_commutative_operands_with_target): New.
2070 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
2073 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
2076 2005-09-29 Steven Bosscher <stevenb@suse.de>
2078 PR tree-optimization/23911
2079 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
2080 and IMAGPART_EXPR too.
2082 2005-09-28 Mark Mitchell <mark@codesourcery.com>
2085 * expmed.c (expand_shift): Move logic to reverse rotation
2086 direction when rotating by constants ...
2087 * optabs.c (expand_binop): ... here.
2088 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
2089 (ix86_rotrdi3): New pattern.
2090 (rotldi3): Handle 32-bit mode.
2091 (ix86_rotldi3): New pattern.
2093 2005-09-29 Alan Modra <amodra@bigpond.net.au>
2096 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
2097 check for numbers that need no bit twiddle.
2099 2005-09-28 Geoffrey Keating <geoffk@apple.com>
2101 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
2102 multilib to be built.
2104 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
2105 (stage1-start): Delete old libgcc and libunwind before moving
2106 anything into the stage directory.
2107 (stage2-start): Likewise.
2108 (stage3-start): Likewise.
2109 (stage4-start): Likewise.
2110 (stageprofile-start): Likewise.
2111 (stagefeedback-start): Likewise.
2112 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
2113 header in tm_file and CPU-specific t-darwin in tmake_file.
2114 (i[34567]86-*-darwin*): Don't change tm_file.
2115 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
2116 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
2117 shared library stub for target OS version.
2118 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
2119 (SHLIB_LINK): Don't make SHLIB_SOLINK.
2120 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
2121 (libgcc_s.%.dylib): New.
2123 (install-darwin-libgcc-stubs): New.
2124 (INSTALL_LIBGCC): New append.
2125 * config/i386/darwin-libgcc.10.4.ver: New.
2126 * config/i386/darwin-libgcc.10.5.ver: New.
2127 * config/i386/t-darwin: New.
2128 * config/rs6000/darwin-libgcc.10.4.ver: New.
2129 * config/rs6000/darwin-libgcc.10.5.ver: New.
2130 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
2131 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
2133 2005-09-28 Paul Brook <paul@codesourcery.com>
2135 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
2138 2005-09-28 Richard Guenther <rguenther@suse.de>
2140 PR tree-optimization/23853
2141 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
2142 host_integerp to verify misalignment value.
2144 2005-09-28 Richard Henderson <rth@redhat.com>
2146 * builtins.c (get_builtin_sync_mode): New.
2147 (expand_builtin_sync_operation): Pass in mode argument.
2148 (expand_builtin_compare_and_swap): Likewise.
2149 (expand_builtin_lock_test_and_set): Likewise.
2150 (expand_builtin_lock_release): Likewise.
2151 (expand_builtin): Update to match.
2153 2005-09-28 Nick Clifton <nickc@redhat.com>
2155 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
2156 formatting. Add check to PLUS case to ensure that the offset is
2157 within an acceptable range.
2159 * config/v850/v850.md (casesi): Disable the generation of the
2160 switch pattern as it is not being handled properly at the moment.
2162 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
2163 for when the high words are identical.
2165 2005-09-27 Richard Henderson <rth@redhat.com>
2167 * pretty-print.c (pp_base_format): Fix typo for %>.
2169 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
2170 Devang Patel <dpatel@apple.com>
2172 PR tree-optimization/23625
2173 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
2174 LABEL_EXPR, assertion check.
2176 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
2178 * optabs.c (no_conflict_move_test): Check if a result of a
2179 to-be-moved insn would be clobbered by an originally
2182 2005-09-27 Jeff Law <law@redhat.com>
2184 * passes.c (init_optimization_passes): Replace copy propagation
2185 passes immediately after DOM with phi-only copy propagation
2186 pases. Add phi-only copy propagation pass after first DOM pass.
2187 * tree-pass.h (pass_phi_only_copy_prop): Declare.
2188 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
2189 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
2190 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
2191 to init_copy_prop. Callers updated.
2192 (do_phi_only_copy_prop): New function.
2193 (pass_phi_only_copy_prop): New pass descriptor.
2195 2005-09-27 Nick Clifton <nickc@redhat.com>
2197 * libgcc2.c (__popcount_tab): Remove redundant prototype.
2199 2005-09-26 Jason Merrill <jason@redhat.com>
2202 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
2204 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
2206 2005-09-26 James E Wilson <wilson@specifix.com>
2208 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
2209 copyright. Add gcc copyright plus libgcc exception.
2210 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
2212 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
2214 2005-09-26 Jeff Law <law@redhat.com>
2216 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
2217 about when to iterate.
2219 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
2222 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
2223 for __complex__ double in -mcpu=G5 mode.
2225 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
2227 PR tree-optimization/23942
2228 * Makefile.in (SCEV_H): Depends on PARAMS_H.
2229 * tree-scalar-evolution.c: Include params.h.
2231 (follow_ssa_edge, follow_ssa_edge_in_rhs,
2232 follow_ssa_edge_in_condition_phi_branch,
2233 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
2234 Change return type to t_bool. Use a parameter to limit the size of
2235 trees that are walked before stopping
2236 (analyze_evolution_in_loop): Initialize the limit to 0.
2237 (follow_ssa_edge): Give up by returning t_dont_know if the limit
2238 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2240 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2243 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
2244 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
2246 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
2248 * combine.c (make_extraction): Check for valid use of subreg.
2250 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2253 * config/i386/i386.md ("*fistdi2_1"): New pattern.
2254 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
2255 ("fist<mode>2_with_temp"): Use only register operands.
2257 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
2259 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
2260 CALL_INSN_FUNCTION_USAGE.
2262 2005-09-26 Richard Guenther <rguenther@suse.de>
2265 * gcse.c: Include hashtab.h, define ldst entry hashtable.
2266 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
2267 (ldst_entry): Use the hashtable instead of list-walking.
2268 (find_rtx_in_ldst): Likewise.
2269 (free_ldst_entry): Free the hashtable.
2270 (compute_ld_motion_mems): Create the hashtable.
2271 (trim_ld_motion_mems): Remove entry from hashtable if
2272 removing it from list.
2273 (compute_store_table): Likewise^2.
2274 (store_motion): Free hashtable in case we did not see
2277 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
2279 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2280 and arg1 if we are passing them to fold_build2.
2282 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
2285 * config/i386/i386.c (ix86_function_regparm): Fix the test for
2288 2005-09-25 Richard Henderson <rth@redhat.com>
2290 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
2291 SYMBOL_REF_TLS_MODEL to be correct.
2293 2005-09-24 Richard Henderson <rth@redhat.com>
2295 * ipa-type-escape.c (discover_unique_type): Remove dead code at
2296 end of function. Reindent.
2298 2005-09-24 Ian Lance Taylor <ian@airs.com>
2300 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
2301 NEGATE_EXPR/BIT_NOT_EXPR case.
2303 2005-09-24 Richard Henderson <rth@redhat.com>
2305 * c-common.c (handle_mode_attribute): When not modifying in place,
2306 create subtypes for enumerations.
2307 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
2308 * gimplify.c (create_tmp_from_val): Likewise.
2310 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
2312 * config/i386/i386.md (*tls_global_dynamic_64,
2313 *tls_local_dynamic_base_64): Add missing mode to call.
2314 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
2316 2005-09-24 Jan Hubicka <jh@suse.cz>
2318 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
2319 (cgraph_clone_node): Likewise.
2320 * cgraph.h (cgraph_clone_edge): Update prototype.
2321 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
2322 duplicated prototypes; add updating argument.
2323 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
2324 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
2326 (cgraph_mark_inline_edge): Likewise.
2327 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
2328 (cgraph_flatten_node): Likewise.
2329 (cgraph_decide_recursive_inlining): Likewise.
2330 (cgraph_decide_inlining_of_small_function): Likewise.
2331 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2333 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2334 Pete Steinmetz <steinmtz@us.ibm.com>
2336 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
2337 (rldic.): Set type to "compare".
2339 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
2340 mfjmpr for MFCTR/MFLR.
2341 (movdf_hardfloat64): Same.
2342 (movdf_softfloat64): Same. Correct order of store and move types.
2343 (movti_string): Set type to store_ux/load_ux.
2344 (load_multiple): Set type to load_ux.
2345 (store_multiple): Set type to store_ux.
2346 (movmemsi): Set type to store_ux.
2347 (output_cbranch direct_return): Set type to jmpreg.
2348 (stmw): Set type to store_ux.
2349 (lmw): Set type to load_ux.
2350 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
2351 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
2352 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
2353 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
2354 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
2355 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
2356 (rios1-fpstore): Increase latency to 3.
2357 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
2358 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
2360 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2361 Andrew Pinski <pinskia@physics.uc.edu>
2363 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
2364 operand2 constraint to "b".
2365 (sync_<fetchop_name>di_internal): Same.
2366 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
2368 (sync_old_<fetchop_name>di_internal): Same.
2369 (sync_new_<fetchop_name>si_internal): Same.
2370 (sync_new_<fetchop_name>di_internal): Same.
2372 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
2375 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
2376 case, define as macros.
2378 PR rtl-optimization/23837
2379 * optabs.c (no_conflict_move_test): Don't set must_stay for a
2380 clobber / clobber match between dest and p->first.
2382 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
2383 (no_conflict_move_test): Update comments.
2385 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2387 * doc/install.texi: Update URL for Jacks.
2388 * doc/sourcebuild.texi: Likewise.
2390 2005-09-22 David Edelsohn <edelsohn@gnu.org>
2393 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
2394 registers when choosing register preferences.
2395 (movdf_hardfloat64): Same.
2397 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
2399 * expmed.c (expand_shift): Don't use the target of the rotate as
2400 target for the first expanded shift insn.
2401 * testsuite/gcc.dg/20050922-1.c: Testcase added.
2403 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
2405 PR tree-optimization/22438
2406 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
2407 preserved iv rhs rewriting specially.
2409 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
2411 * tree-data-ref.c (analyze_array_indexes): Only estimate when
2412 estimate_only is true.
2413 * tree-flow.h (ref_contains_indirect_ref): New prototype.
2414 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
2415 tree-ssa-structalias.c
2416 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
2417 ref_contains_indirect_ref.
2418 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
2420 2005-09-21 DJ Delorie <dj@redhat.com>
2422 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
2424 (mn10300_return_in_memory): Support variable size types also.
2425 (mn10300_pass_by_reference): Likewise.
2426 (mn10300_function_value): New.
2427 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
2428 (FUNCTION_OUTGOING_VALUE): Likewise.
2429 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
2430 * doc/invoke.texi: Document it.
2432 2005-09-21 Uros Bizjak <uros@kss-loka.si>
2435 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
2436 force integer op1 into register for XFmode compares.
2438 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2441 * expmed.c (alg_code): Add alg_impossible.
2442 (alg_hash_entry): Add cost.
2443 (synth_mult): Record alg_impossible in the hash table if
2444 multiplication by a given integer is impossble within the
2445 limit. Speed up using alg_impossible.
2447 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2449 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
2450 argument. Allow and set any offset if needs_anyoffset is passed
2452 (get_constraint_for): Add argument here too.
2454 (do_structure_copy): Pass NULL to get_constraint_for.
2455 (handle_ptr_arith): Ditto.
2456 (find_func_aliases): Ditto.
2458 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
2460 PR rtl-optimization/23898
2461 * output.h (get_attr_min_length): Declare.
2462 * final.c (get_attr_length_1): New function, broken out of:
2464 (get_attr_min_length): New function.
2465 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
2466 (duplicate_computed_gotos): Likewise.
2467 * genattr.c (insn_min_length): Generate declaration.
2468 * genattrtab.c (min_fn, min_attr_value): New functions.
2469 (make_length_attrs): Generate insn_min_length.
2471 2005-09-20 Steve Ellcey <sje@cup.hp.com>
2473 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
2475 2005-09-20 Richard Henderson <rth@redhat.com>
2477 PR tree-optimization/24059
2478 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
2481 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
2483 * c.opt (fextended-identifiers): New.
2484 * c-opts.c (c_common_handle_option): Handle
2485 -fextended-identifiers.
2486 * doc/cpp.texi: Update documentation of extended identifiers.
2487 * doc/cppopts.texi (-fextended-identifiers): Document.
2489 2005-09-20 Jakub Jelinek <jakub@redhat.com>
2491 PR tree-optimization/23929
2492 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
2495 PR tree-optimization/23818
2496 * tree-stdarg.c (execute_optimize_stdarg): Call
2497 calculate_dominance_info.
2499 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2501 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
2502 (analyze_siv_subscript_cst_affine): Add weak SIV test.
2503 (compute_overlap_steps_for_affine_1_2): Use
2504 get_number_of_iters_for_loop.
2505 (analyze_subscript_affine_affine): Check whether difference is
2507 Use get_number_of_iters_for_loop.
2508 Check whether overlap occurs outside of bounds.
2509 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
2511 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
2513 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
2514 base register if possible.
2516 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
2518 PR tree-optimization/18463
2519 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
2520 converting it directly is not possible.
2521 (chrec_convert_aggressive): New function.
2522 * tree-chrec.h (chrec_convert_aggressive): Declare.
2523 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
2524 Fold chrec conversions aggressively if asked to.
2525 (instantiate_parameters): Modified because of changes in
2526 instantiate_parameters_1.
2528 2005-09-19 Richard Henderson <rth@redhat.com>
2530 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
2531 (reduc_splus_v2df): New.
2533 2005-09-19 Richard Sandiford <richard@codesourcery.com>
2535 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
2536 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
2538 2005-09-19 Richard Henderson <rth@redhat.com>
2540 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
2543 2005-09-19 Richard Henderson <rth@redhat.com>
2545 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
2546 (ia64_expand_dot_prod_v8qi): New.
2547 * config/ia64/ia64-protos.h: Update.
2548 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
2549 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
2550 sdot_prodv8qi, sdot_prodv4hi): New.
2551 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
2553 2005-09-19 Richard Henderson <rth@redhat.com>
2556 * real.c (exact_real_truncate): Return false if the format cannot
2557 represent the number as a normal.
2559 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
2560 for a memory source.
2562 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
2564 * tree-ssa-operands.c (swap_tree_operands): Export.
2565 * tree.h (swap_tree_operands): Declare.
2566 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
2567 Call swap_tree_operands.
2569 2005-09-19 Richard Henderson <rth@redhat.com>
2571 * tree-flow.h (merge_alias_info): Declare.
2572 * tree-ssa-copy.c (merge_alias_info): Export.
2573 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
2574 (vect_create_data_ref_ptr): Use create_iv directly.
2575 (vectorizable_load): Use correct types for integer constants.
2576 (vect_generate_tmps_on_preheader): Likewise.
2577 (vect_gen_niters_for_prolog_loop): Likewise.
2579 2005-09-19 Steven Bosscher <stevenb@suse.de>
2581 PR rtl-optimization/23943
2582 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
2584 2005-09-18 Jan Hubicka <jh@suse.cz>
2586 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
2588 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
2590 * varasm.c (output_constant): Do not abort on conversions to union
2591 types between different sizes.
2593 2005-09-18 Richard Guenther <rguenther@suse.de>
2596 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
2599 2005-09-18 Paul Brook <paul@codesourcery.com>
2601 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
2603 2005-09-17 Richard Henderson <rth@redhat.com>
2605 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
2606 * tree-ssa-loop.c (pass_vect_dce): Remove.
2607 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
2610 2005-09-17 Richard Henderson <rth@redhat.com>
2612 * tree-pass.h (pass_vect_dce): Declare.
2613 * passes.c (init_optimization_passes): Add it.
2614 * tree-flow.h (tree_ssa_dce): Declare.
2615 * tree-ssa-dce.c (tree_ssa_dce): Export.
2616 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
2617 (gate_tree_vectorize): ... here.
2618 (pass_vect_dce): New.
2620 2005-09-17 Jan Hubicka <jh@suse.cz>
2622 * except.c (struct eh_status): Turn region_array into vec.
2623 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
2624 convert_from_eh_region_ranges, find_exception_handler_labels,
2625 current_function_has_exception_handlers, assign_filter_values,
2626 build_post_landing_pads, dw2_build_landing_pads,
2627 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
2628 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
2629 foreach_reachable_handler, can_throw_internal_1,
2630 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
2632 (duplicate_eh_region_1): Update region_array.
2633 (duplicate_eh_regions): Resize region_array and avoid recomputing.
2635 2005-09-17 David Edelsohn <edelsohn@gnu.org>
2638 * expmed.c (expand_mult): Substitute simple register for op0 when
2641 2005-09-17 Richard Henderson <rth@redhat.com>
2643 * expr.c (emit_move_via_integer): Add force argument, pass it on
2644 to emit_move_change_mode. Update callers.
2645 (emit_move_complex): Pass true to new force argument.
2646 * function.c (expand_function_end): Move expand_eh_return call
2647 earlier. Merge sub-word complex values into a pseudo before
2648 copying to the return hard register.
2650 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
2652 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
2653 between different sizes.
2655 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
2659 * passes.c (init_optimization_passes): Register dump files for
2662 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
2664 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
2665 * config/s390/s390.c (s390_overlap_p): New function.
2666 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
2667 peephole2, "*xc" peephole2): Added overlap check to the peephole2
2670 2005-09-16 Richard Guenther <rguenther@suse.de>
2672 * ipa-pure-const.c (static_execute): Free auxiliar information.
2673 * ipa-type-escape.c (discover_unique_type): Free temporary key.
2674 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
2676 2005-09-15 DJ Delorie <dj@redhat.com>
2678 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
2680 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2682 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2684 (swap_commutative_operands_with_target): New.
2686 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
2688 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
2691 (estimate_iters_using_array): New function.
2692 * tree-data-ref.h (estimate_iters_using_array): Prototype
2693 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2694 Use estimate_iters_using_array instead of analyze_array.
2696 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
2698 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
2701 2005-09-15 Michael Matz <matz@suse.de>
2703 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
2705 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
2707 PR tree-optimization/23835
2708 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
2709 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
2711 2005-09-14 Richard Henderson <rth@redhat.com>
2713 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
2714 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
2716 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
2718 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
2719 in the ARRAY_TYPE case.
2721 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
2723 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
2725 2005-09-14 Uros Bizjak <uros@kss-loka.si>
2728 * tree-vect-transform.c (vectorizable_operation): Return false for
2729 scalar shift operations and for vector shift operations with
2730 non-invariant shift arguments. Use scalar tree operand op1 as
2731 a shift operand when vector shift insn pattern uses scalar shift
2733 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
2735 2005-09-14 Olivier Hainque <hainque@adacore.com>
2737 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
2738 value if it has side-effects.
2740 2005-09-14 David Edelsohn <edelsohn@gnu.org>
2743 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
2745 2005-09-14 Alan Modra <amodra@bigpond.net.au>
2747 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
2748 passed as NAME as if it were label at start of function code.
2750 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
2752 * config/sh/sh.md (*movv4sf_i): Add general register cases to
2755 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2757 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
2758 as early clobber. Rewrite so the PIC register is not implicitly used.
2760 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2762 * tree.c (annotate_with_file_line): Compare line numbers before
2765 2005-09-13 Uros Bizjak <uros@kss-loka.si>
2768 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
2769 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
2771 2005-09-13 Ian Lance Taylor <ian@airs.com>
2773 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
2774 than a HOST_WIDEST_INT to gen_doloop_begin.
2776 2005-09-13 Diego Novillo <dnovillo@redhat.com>
2778 * tree-dfa.c (dump_variable): Guard against NULL annotations.
2780 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
2782 PR tree-optimize/23817
2783 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
2785 2005-09-13 Alan Modra <amodra@bigpond.net.au>
2788 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
2789 word before changing the stack pointer. Use gen_frame_mem for MEMs.
2790 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
2791 (restore_stack_nonlocal): Likewise.
2792 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
2794 2005-09-12 Ian Lance Taylor <ian@airs.com>
2797 * c.opt (ffriend-injection): New C++ option.
2798 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
2799 (C++ Dialect Options): Document -ffriend-injection.
2801 2005-09-12 Josh Conner <jconner@apple.com>
2804 * ipa-reference.c (static_execute): Don't mark variables in
2805 named sections TREE_READONLY.
2807 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2809 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
2812 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2814 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
2815 V_MUST_DEF instead of just the first_use_p.
2816 Don't mark the virtual variables for renaming on the statement which
2818 (pass_dse): Remove TODO_update_ssa.
2820 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
2823 * stor-layout.c (compute_record_mode): For records with a single
2824 field, actually check the field's mode size against the type size.
2826 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
2827 registers for TARGET_SHMEDIA.
2828 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
2829 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
2830 of GENERAL_REGS and FP_REGS.
2832 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
2834 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
2836 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2838 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
2839 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
2840 are omitted. Exclude stack_tie insn too.
2842 2005-09-11 David Edelsohn <edelsohn@gnu.org>
2844 PR rtl-optimization/23098
2845 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
2847 * config/rs6000/rs6000.md (movdf splitter): Use
2848 const_double_operand predicate for TARGET_POWERPC64.
2849 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
2850 SYMBOL_REF method to ABI_V4.
2852 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
2853 replace_equiv_address.
2854 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
2855 rs6000_sr_alias_set and MEM_NOTRAP.
2856 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
2858 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
2860 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
2861 handle CALL_EXPR again.
2863 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
2865 * arm/predicates.md (alignable_memory_operand): Delete.
2867 2005-09-10 Richard Henderson <rth@redhat.com>
2870 * dbxout.c (dbxout_expand_expr): New.
2871 (dbxout_symbol): Use it.
2873 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
2875 * arm.c (arm_gen_rotated_half_load): Delete.
2876 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
2877 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
2878 (thumb_set_return_address): Likewise.
2879 (thumb_load_double_from_address): Use adjust_address.
2880 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
2881 (extendhsisi2_mem, movhi_bytes): Use change_address.
2882 (movhi): Use widen_memory_access.
2883 (reload_out_df): Use replace_equiv_address.
2884 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
2886 2005-09-09 Richard Henderson <rth@redhat.com>
2889 * dbxout.c: Include expr.h.
2890 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
2891 (dbxout_symbol): Handle DECL_VALUE_EXPR.
2892 * Makefile.in (dbxout.o): Add EXPR_H.
2894 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
2896 PR tree-optimization/23509
2897 * tree-cfg.c (replace_uses_by): Use replace_exp.
2898 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
2899 pointers have name_mem_tag or type_mem_tag set.
2901 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2903 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
2904 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
2905 of wrongly accessing operands.
2907 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2909 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
2910 * tree-chrec.c: Include tree-scalar-evolution.h.
2911 (chrec_convert): Instantiate the base and step before calling
2912 scev_probably_wraps_p that would fail on parametric evolutions.
2913 Collect all the fails into a single section failed_to_convert,
2914 print a diagnostic, and return chrec_dont_know instead of calling
2916 * tree-scalar-evolution.c (loop_closed_phi_def): New.
2917 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
2919 (scev_const_prop): Don't replace the definition of a loop closed ssa
2920 phi node by itself, or by another loop closed ssa phi node.
2921 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
2922 that base and step are defined.
2924 2005-09-09 Richard Guenther <rguenther@suse.de>
2927 * fold-const.c (fold_ternary): Check truth_value_p before
2928 calling invert_truthvalue.
2930 2005-09-09 Nick Clifton <nickc@redhat.com>
2932 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
2933 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
2934 dimension of these arrays.
2935 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
2937 * longlong.h: Only provide a prototype for the __clz_tab[] array
2938 if this header has not been included from libgcc2.h.
2939 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
2941 Provide prototypes for exported functions.
2942 Use the __clz_tab[] and __popcount_tab[] arrays provided by
2945 2005-09-08 Josh Conner <jconner@apple.com>
2949 * expr.c (expand_expr_addr_expr_1): Don't invoke
2950 expand_simple_binop for EXPAND_INITIALIZER.
2952 2005-09-08 Richard Henderson <rth@redhat.com>
2955 * toplev.c (wrapup_global_declaration_1): Split out ...
2956 (wrapup_global_declaration_2): ... from ...
2957 (wrapup_global_declarations): ... here. Return bool.
2958 (check_global_declaration_1): Split out ...
2959 (check_global_declarations): from here.
2960 (emit_debug_global_declarations): New.
2961 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
2962 check_global_declaration_1, emit_debug_global_declarations): Declare.
2963 * c-decl.c (c_write_global_declarations_1): Don't create a vector
2964 of decls. Call wrapup_global_declaration_1,
2965 wrapup_global_declaration_2, check_global_declaration_1 directly.
2966 (c_write_global_declarations_2): New.
2968 (c_write_global_declarations): Call c_write_global_declarations_2.
2969 * langhooks.c (write_global_declarations): Call
2970 emit_debug_global_declarations.
2972 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
2973 remove decls that have DECL_RTL_SET_P.
2974 * passes.c (rest_of_decl_compilation): Invoke
2975 cgraph_varpool_finalize_decl for all but functions.
2977 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
2979 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
2980 the result of a conversion if the new min and max cannot be compared.
2982 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
2984 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
2985 (override_options): Setting s390_sr_alias_set removed.
2986 (save_fpr, save_gprs): Set alias set to vararg or frame.
2987 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
2988 s390_sr_alias_set with get_frame_alias_set ().
2989 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
2990 get_varargs_alias_set ().
2992 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
2996 * c-parser.c (c_parser_objc_method_definition): If the next
2997 token is not "{", error out and don't start the function.
2999 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
3001 * tree-vrp.c (extract_range_from_expr): Move the check for non
3002 nullness after the check for gimple invariant.
3004 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3006 * tree.c (host_integerp, tree_low_cst): Correct function comment.
3008 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3011 * config/m32r.md (movmemsi_internal): Canonicalize order of
3012 operands in PLUS component of template.
3014 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
3016 * reload1.c (fixup_eh_region_note): Remove assertion.
3017 (fixup_abnormal_edges): Reverted removal of call to
3018 find_many_sub_basic_blocks made on 2005-08-31.
3020 2005-09-07 Richard Henderson <rth@redhat.com>
3022 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
3023 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
3024 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
3025 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
3026 rearrange for better packing.
3027 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
3028 (lookup_cfa_1): Remove inline marker.
3029 (cfa_equal_p): Split out of ...
3030 (def_cfa_1): ... here. Use INVALID_REGNUM.
3031 (build_cfa_loc): Handle !cfa->indirect.
3032 (frame_pointer_cfa_offset): New.
3033 (dbx_reg_number): Assert register elimination performed; do
3034 leaf register remapping.
3035 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
3036 (eliminate_reg_to_offset): New.
3037 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
3038 for verifiably local stack frame addresses; re-base to CFA.
3039 (mem_loc_descriptor): Remove can_use_fbreg argument.
3040 (concat_loc_descriptor, loc_descriptor): Likewise.
3041 (containing_function_has_frame_base): Remove.
3042 (rtl_for_decl_location): Don't do register elimination or
3043 leaf register remapping here.
3044 (secname_for_decl): Split out from ..
3045 (add_location_or_const_value_attribute): ... here.
3046 (convert_cfa_to_loc_list): New.
3047 (compute_frame_pointer_to_cfa_displacement): New.
3048 (gen_subprogram_die): Use them.
3049 * tree.h (frame_base_decl): Remove.
3050 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
3051 (prologue_stack_adjust): Remove.
3052 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
3053 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
3054 (set_frame_base_location): Remove.
3055 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
3056 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
3057 (vt_add_function_parameters): Don't eliminate_regs.
3058 (vt_initialize): Don't create frame_base_decl.
3060 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3062 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
3063 version of GNU binutils for 4.x and later.
3065 2005-09-06 Mark Mitchell <mark@codesourcery.com>
3067 * ggc-page.c (ggc_push_context): Remove.
3068 (ggc_pop_context): Likewise.
3069 * ggc.h (ggc_push_context): Remove.
3070 (ggc_pop_context): Likewise.
3072 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3075 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
3076 returning from an interrupt handler.
3078 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3081 * config/arc/arc.c (output_shift): Add check for loop count when
3084 2005-09-06 Steven Bosscher <stevenb@suse.de>
3086 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
3088 (abs_replacement): Likewise.
3089 (pass_phiopt): Remove TODO_update_ssa.
3091 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3094 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
3095 if "return with no value, in function returning non-void" warning
3097 * tree-cfg.c (execute_warn_function_return): Don't look at
3098 RETURN_EXPRs with TREE_NO_WARNING set.
3101 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
3102 for internal functions doesn't use registers used by global registers
3103 variables. Use fewer register parameters if there are global register
3106 2005-09-06 Olivier Hainque <hainque@adacore.com>
3107 Eric Botcazou <ebotcazou@adacore.com>
3110 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
3111 when we would be extracting outside its bit span (bitpos+bitsize
3112 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
3113 Ada unchecked conversions.
3115 2005-09-06 Steven Bosscher <stevenb@suse.de>
3117 * tree-ssa-pre.c (try_look_through_load): New function.
3118 (compute_avail): Use it to try to look through loads for some
3119 more useful expressions.
3121 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3123 * simplify-rtx.c (simplify_binary_operation_1): Correct the
3124 condition for detecting cases like (a&a) and (a^a).
3126 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
3128 * common.opt: Add option ftree-vect-loop-version.
3129 * params.def: Add --param vect-max-version-checks.
3130 * doc/invoke.texi: Document ftree-vect-loop-version and
3131 --param vect-max-version-checks.
3132 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
3133 may_misalign_stmts and defines for accessors.
3134 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
3135 LOOP_VINFO_MAY_MISALIGN_STMTS.
3136 (destroy_loop_vec_info): VEC_free for
3137 LOOP_VINFO_MAY_MISALIGN_STMTS.
3138 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3139 Update documentation.
3140 (vect_update_misalignment_for_peel): New.
3141 (vect_enhance_data_refs_alignment): Update to choose loop
3142 peeling or loop versioning if appropriate for the (potentially)
3143 unaligned data references in the loop.
3144 (vect_analyze_data_refs_alignment): Remove call to
3145 vect_enhance_data_refs_alignment so the checks can be done
3147 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
3148 and move up call to vect_analyze_data_refs_alignment.
3149 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
3150 (vect_transform_loop): Add call to loop_version.
3152 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3154 PR rtl-optimization/23098
3155 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
3156 * simplify-rtx.c (constant_pool_reference_p): New function.
3157 * rtl.h (constant_pool_reference_p): New prototype.
3158 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
3159 constant_pool_reference_p in condition and
3160 avoid_constant_pool_reference in preparation statements.
3162 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
3164 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
3165 STRICT_LOW_PART SETs.
3167 2005-09-06 Alan Modra <amodra@bigpond.net.au>
3170 * except.c (sjlj_emit_function_enter): Find the function begin
3171 note even when it's not in first basic block.
3173 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
3175 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
3176 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
3177 * aclocal.m4: Regenerate.
3179 2005-09-05 DJ Delorie <dj@redhat.com>
3181 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
3184 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
3186 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
3187 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
3188 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
3189 Follow spelling conventions.
3190 * doc/invoke.texi: Follow spelling conventions.
3192 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3194 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
3195 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
3196 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
3198 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3201 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
3202 (output_stack_adjust): Use gen_tmp_stack_mem.
3203 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
3204 (sh_set_return_address, sh_allocate_initial_value): Likewise.
3205 (sh_get_pr_initial_val): Likewise.
3206 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
3207 (sh_initialize_trampoline): Likewise. Also use adjust_address.
3208 * sh.md (divsi_inv_m0): Use gen_const_mem.
3209 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
3210 (movdf_i4+1): Use gen_tmp_stack_mem.
3211 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
3212 (fpu_switch+2): Likewise.
3213 (movv4sf_i, movv16sf_i): Use adjust_address.
3214 (symGOT_load): Set MEM_NOTRAP_P bit.
3216 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3219 * pa.c (emit_move_sequence): Fix typo in last change.
3221 2005-09-03 Jakub Jelinek <jakub@redhat.com>
3223 PR rtl-optimization/23454
3224 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
3227 2005-09-03 Richard Henderson <rth@redhat.com>
3228 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3231 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
3234 2005-09-02 Nicolas Pitre <nico@cam.org>
3236 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
3237 to bit_count to 32 bits.
3239 2005-08-31 Mark Mitchell <mark@codesourcery.com>
3242 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
3243 generating synthetic loads from volatile lvalues.
3245 005-09-02 Nick Clifton <nickc@redhat.com>
3247 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
3248 __ctzhi2, __clzhi2): New functions.
3250 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
3253 * tree-nested.c (struct var_map_elt): Mark with GTY.
3254 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
3256 (lookup_field_for_decl): Allocate new element in GC memory.
3257 (lookup_tramp_for_decl): Likewise.
3258 (convert_nl_goto_reference): Likewise
3259 (create_nesting_tree): Allocate info in GC memory. Likewise for
3261 (free_nesting_tree): Free with ggc_free instead of free.
3262 (root): New static variable.
3263 (lower_nested_functions): Remove root as local variable. And zero out
3264 root at the end of the function.
3266 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
3268 PR rtl-optimization/20365
3269 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
3270 to short. New member ix.
3271 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
3272 (simplify_plus_minus): Initialize ix members before calling qsort.
3274 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
3276 PR tree-optimization/23626
3277 * tree-cfg.c (replace_uses_by): Clean up eh info.
3279 2005-09-01 DJ Delorie <dj@redhat.com>
3281 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
3284 2005-09-01 David Edelsohn <edelsohn@gnu.org>
3286 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
3287 (rs6000_split_multireg_move): Use replace_equiv_address instead of
3290 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
3292 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
3293 do not issue warning for a variable definition following
3296 2005-09-01 Richard Henderson <rth@redhat.com>
3299 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
3300 conversion to CONST_VECTOR.
3302 2005-09-01 Richard Henderson <rth@redhat.com>
3305 * reload1.c (reload_as_needed): Check !CALL_P before calling
3306 fixup_eh_region_note.
3307 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
3309 2005-09-01 DJ Delorie <dj@redhat.com>
3311 * varasm.c (output_constant): Let the target resolve
3312 conversions of addresses to non-default pointer sizes.
3314 2005-09-01 Nicolas Pitre <nico@cam.org>
3316 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
3317 to alow matching ARM pre-indexed addressing mode.
3318 (arm_override_options): Remove now irrelevant comment.
3320 2005-09-01 Phil Edwards <phil@codesourcery.com>
3322 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
3323 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
3324 * config/i386/vxworks.h: Likewise.
3325 * config/i386/t-vxworksae: New file, for VxWorks AE.
3326 * config/i386/vxworksae.h: Likewise.
3328 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
3330 PR tree-optimization/23410
3331 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
3332 sequence is not wrapping during the first step.
3334 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3337 * dwarf2out.c (base_type_die): Compare char_type_node with
3338 TYPE_MAIN_VARIANT (type), not type.
3340 2005-09-01 Richard Guenther <rguenther@suse.de>
3342 PR tree-optimization/15366
3343 * common.opt: Add -finline-functions-called-once.
3344 Put -fearly-inlining in alphabetically ordered place.
3345 * doc/invoke.texi: Document new option.
3346 * ipa-inline.c (cgraph_decide_inlining): Honour
3347 flag_inline_functions_called_once.
3349 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3351 PR rtl-optimization/23478
3352 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
3353 (alloc_qty): Initialize it.
3354 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
3355 (combine_regs): Combine also n_throwing_calls_crossed fields.
3356 (find_free_reg): Don't attempt to caller-save pseudos crossing
3357 calls that might throw.
3358 * global.c (struct allocno): Add throwing_calls_crossed field.
3359 (global_alloc): Revert 2005-08-22 change. Initialize
3360 throwing_calls_crossed.
3361 (find_reg): Don't attempt to caller-save pseudos crossing calls that
3364 2005-09-01 Alan Modra <amodra@bigpond.net.au>
3367 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
3368 (mask64_operand): Reinstate code prior to 2005-06-11 change.
3369 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
3370 (and64_2_operand): Tweak to use predicate.
3371 (and_operand): Adjust for mask_operand changes.
3372 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
3373 (print_operand): Likewise.
3374 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
3375 (mask64_1or2_operand): Delete.
3376 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
3377 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
3378 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
3379 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
3380 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
3381 (rotldi3_internal4): Likewise.
3382 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
3383 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
3384 (ashldi3_internal7): Likewise.
3385 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
3386 (ashldi3_internal, ashldi3_internal9 split): Likewise.
3387 (anddi3 split): Don't match mask64_operand.
3388 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
3389 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
3390 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
3391 't' splitter predicate.
3392 (movdi_internal64 + 2): Revert 2005-06-11 change.
3394 2005-08-31 DJ Delorie <dj@redhat.com>
3396 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
3397 (m32c_asm_integer): Add support for 32 bit pointers.
3399 2005-08-31 Richard Henderson <rth@redhat.com>
3401 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
3402 component-like references for setting MEM_NOTRAP_P.
3404 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
3405 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
3407 2005-08-31 Richard Henderson <rth@redhat.com>
3409 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
3410 into a pseudo before applying gen_lowpart.
3412 2005-08-31 Geoffrey Keating <geoffk@apple.com>
3414 * doc/install.texi (Specific): Update cctools version required
3415 for full functionality.
3416 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
3417 linkers as -macosx_version_min.
3419 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
3422 * sh.c (print_operand, %R and %S): Add handling of floating point
3423 registers, memory, constants and invalid operands.
3425 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
3427 * ipa-pure-const.c: Change dump name.
3429 2005-08-31 Uros Bizjak <uros@kss-loka.si>
3432 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
3433 to "reg_or_0_operand".
3434 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
3436 2005-08-31 Dale Johannesen <dalej@apple.com>
3438 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
3439 loops that count down.
3441 2005-08-31 Richard Henderson <rth@redhat.com>
3444 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
3445 (fixup_eh_region_note): New.
3446 (reload_as_needed): Call it.
3447 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
3448 don't call find_many_sub_basic_blocks; call verify_flow_info.
3449 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
3450 (keep_stack_depressed): Likewise.
3451 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
3453 2005-08-31 Richard Henderson <rth@redhat.com>
3455 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
3458 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
3460 * expr.c (expand_expr_real_1): Compare size of address
3461 mode to target's address mode size in deciding expansion of
3462 the constant address.
3464 2005-08-31 Richard Guenther <rguenther@suse.de>
3467 * expr.c (all_zeros_p): New function.
3468 (expand_expr_real_1): Handle the case of an all-zero
3469 non-addressable constructor separately.
3471 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
3473 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
3474 arguments, adjust all callers.
3475 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
3477 2005-08-30 Richard Henderson <rth@redhat.com>
3480 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
3481 whenever the mode sizes match.
3483 2005-08-31 Alan Modra <amodra@bigpond.net.au>
3485 * calls.c (load_register_parameters): Fix comment typo.
3486 * expr.c (emit_push_insn): Comment formatting.
3488 2005-08-30 Ian Lance Taylor <ian@airs.com>
3490 * config/i386/x-cygwin (host-cygwin): Change dependency from
3491 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
3493 2005-08-29 Geoffrey Keating <geoffk@apple.com>
3495 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
3498 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3501 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
3502 call to ggc_collect.
3504 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
3507 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
3508 beginning. Remove $(INCLUDES) from all the rules, if following
3509 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
3511 2005-08-29 Jakub Jelinek <jakub@redhat.com>
3514 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
3515 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
3516 not constant, but maxlen is, don't set len to maxlen, rather
3517 set maxlen to len if len is a constant.
3519 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
3521 PR tree-optimization/23475
3522 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
3525 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
3527 Fix PR middle-end/22455
3529 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
3530 Checksum only the parts of the tree that exist for the tree code.
3532 2005-08-28 Dale Johannesen <dalej@apple.com>
3534 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
3536 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
3538 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
3540 2005-08-28 Richard Henderson <rth@redhat.com>
3542 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
3543 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
3546 2005-08-28 Jakub Jelinek <jakub@redhat.com>
3549 * builtins.c (get_memory_rtx): Don't strip nops
3550 in between COMPONENT_REFs.
3552 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
3555 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
3557 (gimplify_modify_expr): Check for zero sized types and gimplify the
3558 rhs and lhs as statements.
3560 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
3563 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
3564 state for return address column of signal frames.
3566 2005-08-27 David Edelsohn <edelsohn@gnu.org>
3569 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
3570 bytes >= 2 not bytes == 2.
3571 (expand_block_move): Same.
3573 2005-08-27 Richard Guenther <rguenther@suse.de>
3576 * config/i386/sse.md (sse2_movsd): Add missing closing
3579 2005-08-27 Paul Brook <paul@codesourcery.com>
3581 * genrecog.c (enum decision_type): Add DT_num_insns.
3582 (struct decision_test): Add u.num_insns.
3583 (add_to_sequence): Add DT_num_insns test.
3584 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
3585 (write_cond, debug_decision_2): Ditto.
3586 (change_state): Assume peep2_next_insn never fails.
3587 Remove "afterward" argument.
3588 (write afterward, write_tree): Update to match.
3589 * recog.c (peep2_current_count): New variable.
3590 (peep2_next_insn): Check it.
3591 (peephole2_optimize): Set peep2_current_count.
3592 * recog.h (peep2_current_count): Declare.
3594 2005-08-26 Josh Conner <jconner@apple.com>
3597 * ipa-pure-const.c (check_tree): Check for volatile-ness
3598 when considering a dereference.
3600 2005-08-27 Jakub Jelinek <jakub@redhat.com>
3602 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
3604 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3606 PR rtl-optimization/23561
3607 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
3608 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
3609 at most LEN bytes long memory fits into the field.
3610 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
3611 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
3612 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
3614 2005-08-26 Richard Henderson <rth@redhat.com>
3617 * loop.c (biased_biv_may_wrap_p): New.
3618 (maybe_eliminate_biv_1): Use it to suppress non-equality
3619 comparison transformations. Delete disabled code.
3621 2005-08-26 Ian Lance Taylor <ian@airs.com>
3623 * combine.c (make_extraction): Avoid reference outside object.
3625 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
3627 * stor-layout.c (finalize_type_size): Restore behaviour for
3628 non-aggregate types to the status quo ante of the patch for
3629 pr 23467. Document why it matters.
3631 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3634 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
3635 array by one element, initialize the BT_LAST element with NULL.
3637 2005-08-26 David Edelsohn <edelsohn@gnu.org>
3639 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
3640 optimizing for size.
3642 (compare_plus_eqsi): Same.
3643 (plus_eqsi_compare): Same.
3644 (neg_eq0<mode>): Same.
3645 (neg_eq<mode>): Same.
3647 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
3650 2005-08-26 Nick Clifton <nickc@redhat.com>
3652 * config/v850/v850.c (ep_memory_operand): Return FALSE if
3653 TARGET_EP is not defined.
3654 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
3655 TARGET_EP is enabled.
3656 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
3657 * config/v850/v850.md (save_all_interrupt): Only use the EP
3658 register if TARGET_EP is defined.
3659 (restore_all_interrupt): Likewise.
3660 * config/v850/lib1funcs.asm: Update functions so that the EP
3661 register is only used if __EP__ is defined.
3663 2005-08-26 David Ung <davidu@mips.com>
3665 * config/mips/mips.c (mips_expand_prologue): Handle case when
3666 generating for MIPS16 and the outgoing argument area is more than
3667 SMALL_OPERAND. Use the frame pointer as temporary to generate the
3670 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
3672 * config/crx/crx.md: Make doloop_end pattern usage controllable
3673 via mloop-nesting=<max-nesting> command line switch. Make sure
3674 the combiner cannot use doloop_end_<mode> in an illegal way.
3675 * config/crx/crx.c: Use regs up to r6 for argument passing.
3676 Refine crx_address_cost (non cst4 displacements are expensive).
3677 * config/crx/crx.opt: Add switch for mloop-nesting=.
3679 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
3681 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
3682 (UNSPEC_MVST): New constant.
3684 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
3686 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
3687 Reject operands containing eliminable registers.
3688 * testsuite/gcc.dg/20050825-1.c: New testcase.
3690 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3691 Jan Hubicka <jh@suse.cz>
3693 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
3695 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3697 PR tree-optimization/23546
3698 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
3701 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
3703 * params.def (PARAM_MIN_SPEC_PROB): New.
3704 * sched-rgn.c (MIN_PROBABILITY): Delete.
3705 (compute_trg_info): Convert to PARAM_VALUE.
3706 * doc/invoke.texi (param): Document min-spec-prob.
3708 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
3710 * config/darwin.h: define __PIC__
3711 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
3712 TARGET_OS_CPP_BUILTINS macro.
3714 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3716 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
3719 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3721 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
3723 * cfghooks.c (duplicate_block): Added position where to place
3724 new block as argument.
3725 * cfghooks.h (duplicate_block): Declaration changed.
3726 * cfglayout.c (copy_bbs): Add argument after. Pass it to
3728 * cfglayout.h (copy_bbs): Declaration changed.
3729 * cfgloop.h (loop_version): Declaration changed.
3730 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
3731 position to copy_bbs.
3732 (loop_version): Pass position to duplicate_loop_to_header_edge.
3733 Add place_after argument and position new blocks according to
3735 * modulo-sched.c (sms_schedule): Pass place_after argument
3737 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
3738 * tree-cfg.c (split_edge_bb_loc): New function.
3739 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
3740 to determine position of new blocks.
3741 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
3743 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
3744 argument to duplicate_block.
3745 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
3746 Pass position to copy_bbs.
3748 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3750 * fold-const.c (ptr_difference_const): Use
3751 cst_and_fits_in_hwi instead of host_integerp.
3753 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3755 * config/darwin.c (gen_pic_offset): New.
3756 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
3759 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
3761 PR tree-optimization/23486
3762 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
3764 2005-08-23 Phil Edwards <phil@codesourcery.com>
3766 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
3767 remove use_collect2.
3768 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
3770 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
3771 configuration files to override the default value.
3773 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
3774 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
3775 * config/vx-common.h: New file, split out from...
3776 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
3777 * config/vxworksae.h: New file, for VxWorks AE.
3778 * config/vxworks.opt: New file.
3779 * config/vxlib.c: Update for VxWorks 6.
3781 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
3782 other MULTILIB_* variables appropriately.
3783 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
3784 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
3785 * config/rs6000/vxworks.h: Update for VxWorks 6.
3786 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
3788 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
3791 * config/darwin.c (machopic_select_section): Remove the hack to
3792 mark "::operator new" and "::operator delete" for coalescing
3793 even though they are not weak.
3795 2005-08-24 Alan Modra <amodra@bigpond.net.au>
3797 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
3798 * configure: Regenerate.
3800 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3803 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
3805 * convert.c (convert_to_integer, convert_to_vector): Likewise.
3806 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
3809 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3811 * config/rs6000/predicates.md (equality_operator): New.
3812 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
3813 comparison with a large constant.
3815 2005-08-23 Mark Mitchell <mark@codesourcery.com>
3817 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
3819 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
3821 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
3822 registers is even, and we have a hardware double precision fp,
3824 (sh_gimplify_va_arg_expr): For floating point arguments, consider
3825 size of current argument when checking if argument was passed in
3828 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
3831 * stor-layout.c (finalize_type_size): Dont override
3832 existing alignment with a smaller alignment from the mode.
3834 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3836 * lambda-code.c (lambda_vector_lexico_pos): Moved...
3837 * lambda.h (lambda_vector_lexico_pos): ... here.
3838 * tree-data-ref.c (build_classic_dist_vector): Return false when
3839 the distance vector is lexicographically negative.
3841 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3843 PR tree-optimization/23511
3844 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
3845 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
3847 2005-08-23 Jakub Jelinek <jakub@redhat.com>
3849 PR tree-optimization/22043
3850 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
3851 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
3852 If ALLOW_FLEXARR, handle types ending with flexible array member.
3853 Pass false as second argument to recursive count_type_elements calls.
3854 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
3855 argument to count_type_elements call.
3856 * tree-sra.c (decide_block_copy): Likewise.
3857 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
3858 for a constant-sized object, set cleared as well. Pass true as
3859 second argument to count_type_elements call.
3861 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3864 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
3865 from legitimate_small_data_p, and make global. Update use.
3866 Remove forward declaration.
3867 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
3869 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
3871 2005-08-23 David Edelsohn <edelsohn@gnu.org>
3873 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
3874 of scratch intermediates.
3875 (eq<mode>_compare): Same.
3876 (neg_eq0<mode>): New.
3877 (neg_eq<mode>): Convert to define_insn_and_split.
3879 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3882 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
3883 stdarg functions, set/clear the fp marker even when no variable
3885 * config/rs6000/sysv4.opt (mprototype): Describe.
3887 2005-08-22 Jakub Jelinek <jakub@redhat.com>
3889 PR rtl-optimization/23478
3890 * regs.h (reg_info): Add throw_calls_crossed.
3891 (REG_N_THROWING_CALLS_CROSSED): Define.
3892 * flow.c (allocate_reg_life_data): Initialize
3893 REG_N_THROWING_CALLS_CROSSED.
3894 (propagate_one_insn, attempt_auto_inc): Update
3895 REG_N_THROWING_CALLS_CROSSED.
3896 * global.c (global_alloc): Don't allocate pseudos across
3897 calls that may throw.
3899 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
3902 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
3903 value is inbetween the range if we did not find an exact match.
3905 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
3907 * doc/invoke.texi (Option Summary): Add ms1 options.
3908 * doc/extend.texi: Document interrupt handler attribute for ms1.
3909 * doc/md.texi: Document ms1 constraints.
3910 * config.gcc: Add ms1-*-elf.
3911 * config/ms1/ms1.h: New.
3912 * config/ms1/ms1.c: New.
3913 * config/ms1/ms1.md: New.
3914 * config/ms1/ms1-protos.h: New.
3915 * config/ms1/ABI.txt: New.
3916 * config/ms1/crti.asm: New.
3917 * config/ms1/crtn.asm: New.
3918 * config/ms1/lib2extra-funcs.c: New.
3919 * config/ms1/t-ms1: New.
3920 * config/ms1/ms1.opt: New.
3922 2005-08-22 Ira Rosen <irar@il.ibm.com>
3924 * config/rs6000/altivec.md (xorv4sf3): New.
3925 (negv4sf2, neg<mode>2): Likewise.
3927 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
3930 * config/ia64/ia64.md (divsi3): Check divide by zero.
3931 (udivsi3): Likewise.
3933 (udivdi3): Likewise.
3935 2005-08-21 Jakub Jelinek <jakub@redhat.com>
3937 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
3938 up to elem_bitsize bits, not max_bitsize.
3940 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3942 PR tree-optimization/23433
3943 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
3944 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
3946 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3948 PR tree-optimization/23434
3949 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
3950 the iteration bound is not an INTEGER_CST.
3952 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
3954 * tree-vect-transform.c (get_initial_def_for_reduction): Set
3955 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
3956 NULL if need_epilog_adjust is false.
3957 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
3958 Case 3 always peels first itration, not just for PLUS case, and no need
3959 to use scalar_initial_def here. Create an epilog adjustment only if
3960 scalar_initial_def is not NULL.
3962 (vectorizable_reduction): Remove assert.
3964 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
3967 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
3968 (__moddi3): Likewise.
3969 (__udivdi3): Likewise.
3970 (__umoddi3): Likewise.
3971 (__divsi3): Likewise.
3972 (__modsi3): Likewise.
3973 (__udivsi3): Likewise.
3974 (__umodsi3): Likewise.
3976 2005-08-20 Jakub Jelinek <jakub@redhat.com>
3978 * tree-pass.h (TDF_GRAPH): Define.
3979 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
3980 * passes.c (finish_optimization_passes): Only call
3981 finish_graph_dump_file if TDF_GRAPH is set.
3982 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
3983 NULL. Set TDF_GRAPH bit.
3984 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
3986 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
3988 * arm.h (arm_stack_offsets): Add locals_base field.
3989 * arm.c (arm_get_frame_offsets): Compute it.
3990 (thumb_compute_initial_elimination offset): Make the Thumb frame
3991 pointer point to the base of the local variables.
3992 (thumb_expand_prologue): Update accordingly.
3993 (thumb_expand_epilogue): Likewise.
3995 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
3996 mode of clobbered scratch to DImode. Handle a case that's known to
3999 2005-08-19 David Edelsohn <edelsohn@gnu.org>
4001 * config/rs6000/rs6000.md (gt0<mode>): Delete.
4002 (gt0<mode>_compare): Delete.
4003 (neg_gt0<mode>): Delete.
4005 2005-08-19 Eric Christopher <echristo@apple.com>
4007 * optabs.h: Change CTI_ to COI_.
4010 2005-08-19 James E Wilson <wilson@specifix.com>
4012 * builtins.c (expand_builtin_return_addr): Set
4013 current_function_accesses_prior_frames when count != 0. Use
4014 frame_pointer_rtx when count == 0.
4015 * function.h (struct function): Add accesses_prior_frames field.
4016 (current_function_accesses_prior_frames): Define.
4017 * reload1.c (init_elim_table): Check
4018 current_function_accesses_prior_frames.
4019 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
4021 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4023 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
4024 indicator. Return true if the flowgraph changed during
4027 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4030 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
4031 conditional expression before testing its value.
4033 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4035 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
4037 2005-08-19 Devang Patel <dpatel@apple.com>
4039 PR tree-optimization/23048
4040 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
4041 third parameter. Check whether latch is dominated by exit
4043 (if_convertible_loop_p): Supply exit block itself to
4044 if_convertible_bb_p.
4046 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
4049 * arm.md (arm_load_pic_register): Change argument to the mask of
4050 saved registers. Call thumb_find_work_register if we need a
4051 scratch register on Thumb.
4052 (arm_expand_prologue): Pass empty register set to
4053 arm_load_pic_register.
4054 (thumb_expand_prologue): Pass live_regs_mask directly to
4055 arm_load_pic_register.
4056 * arm-protos.h (arm_load_pic_register): Update prototype.
4058 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
4060 * sh.c (find_sole_member): New function.
4061 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
4062 if the record's alignment is larger than the size of its only member.
4064 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
4067 * arm.c (thumb_legitimize_reload_address): New function.
4068 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
4069 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
4071 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
4073 * config/crx/crx.c: Implement crx_decompose_address. Reject
4074 symbolic displacements since CRX register relative adressing
4075 mode can't handle unsigned 32-bit values as displacements.
4076 * config/crx/crx.h: Simplify definitions, remove redundant
4077 parenthesis and obsolete macros.
4078 * config/crx/crx.opt: Add new switch for debugging addresses.
4079 * config/crx/crx-protos.h: Add new declarations for above.
4081 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
4084 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
4087 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4089 * collect2.c (dup2): Delete.
4090 * configure.ac: Don't check for dup2.
4092 * config.in, configure: Regenerate.
4094 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
4096 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
4097 record with the type of its only member.
4099 2005-08-18 David Edelsohn <edelsohn@gnu.org>
4101 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
4102 define_insn_and_split.
4103 (plus_ltu<mode>_compare): Same.
4104 (gtu<mode>_compare): Same.
4105 (plus_gtu<mode>_compare): Same.
4107 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
4109 PR tree-optimization/22228
4110 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
4112 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
4113 are recorded in vect_vnames_to_rename for renaming.
4114 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
4115 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
4116 in vect_vnames_to_rename.
4117 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
4118 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
4120 2005-08-18 Jan Hubicka <jh@suse.cz>
4123 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
4124 info only for local statics, not for member variables.
4126 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4128 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
4130 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4132 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
4134 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
4137 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
4139 2005-08-17 James E Wilson <wilson@specifix.com>
4141 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4144 2005-08-17 David Edelsohn <edelsohn@gnu.org>
4146 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
4147 (leu<mode>_compare): Same.
4148 (plus_leu<mode>): Same.
4149 (neg_leu<mode>): Same.
4150 (and_neg_leu<mode): Same.
4151 (ltu<mode>_compare): Same.
4152 (plus_ltu<mode>): Same.
4154 (geu<mode>_compare): Same.
4155 (plus_geu<mode>): Same.
4156 (neg_geu<mode>): Same.
4157 (and_neg_geu<mode>): Same.
4158 (plus_gt<mode>): Same.
4159 (gtu<mode>_compare): Same.
4160 (plus_gtu<mode>): Same.
4162 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
4164 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
4165 Move call_table_data to end. Delete spurious .text.
4166 (callt_save_all_interrupt): Fix comment typo.
4168 2005-08-17 James E Wilson <wilson@specifix.com>
4169 Kevin Winchester <winchester@amirix.com>
4172 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
4174 2005-08-17 Uros Bizjak <uros@kss-loka.si>
4177 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
4178 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
4180 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
4182 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
4183 record with the type of its only member if the modes don't match.
4185 * varasm.c (decode_reg_name): Skip empty additional register names.
4187 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4189 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
4190 lsm_tmp_name_length): New.
4191 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
4192 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
4194 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4195 Andreas Krebbel <krebbel1@de.ibm.com>
4197 * config.gcc: Added z9-109 switch.
4198 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
4199 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
4200 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
4201 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
4202 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
4203 for "z9_109" cpu attribute.
4204 * config/s390/s390.c (z9_109_cost): New processor cost structure.
4205 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
4206 (s390_handle_arch_option): Added z9-109 switch.
4207 (override_options): Set respective cost function for z9-109.
4208 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
4209 (legitimate_reload_constant_p): Accept extended immediates.
4210 (print_operand): Three new output modifiers added: k, m and o.
4211 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
4212 (s390_output_mi_thunk): Use extended immediate when possible.
4213 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
4214 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
4215 (CONSTRAINT_LEN): Added length of O constraint.
4216 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
4217 * config/s390/s390.md ("cpu"): New value z9_109 added.
4218 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
4219 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
4220 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
4221 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
4222 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
4223 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
4224 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
4225 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
4226 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
4227 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4228 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
4229 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
4230 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
4231 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
4232 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
4234 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
4235 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
4236 insns for TARGET_EXTIMM.
4238 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
4240 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
4242 2005-08-17 Nick Clifton <nickc@redhat.com>
4244 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
4245 Call default_encode_section_info.
4247 2005-08-17 Steven Bosscher <stevenb@suse.de>
4249 PR tree-optimization/21574
4250 * tree-ssa-ccp.c (likely_value): If the right hand side is a
4251 constant, return CONSTANT.
4252 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
4253 (ccp_fold, visit_assignment): Likewise.
4254 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
4256 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4258 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
4259 fold_buildN instead of buildN then fold_initializer or fold.
4260 (build_unary_op): Likewise.
4261 (build_binary_op): Likewise.
4262 * fold-const.c (fold_initializer): Remove.
4263 (fold_build1_initializer): New function.
4264 (fold_build2_initializer): New function.
4265 (fold_build3_initializer): New function.
4266 * tree.h (fold_initializer): Remove.
4267 (fold_build1_initializer): New function.
4268 (fold_build2_initializer): New function.
4269 (fold_build3_initializer): New function.
4271 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4273 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
4274 (try_move_mult_to_index): Call fold_build2 instead of build2.
4275 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
4276 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
4277 fold_binary_to_constant.
4278 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
4280 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
4281 check if A == gcd (A, B). Remove TYPE argument.
4282 (analyze_offset) Use fold_build2 instead of fold (build.
4283 (create_data_ref): Likewise.
4284 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
4285 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
4288 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
4290 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
4291 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
4293 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
4296 * gimplify.c (zero_sized_type): New function.
4297 (gimplify_modify_expr_rhs): If we have a zero sized type,
4298 replace the statement with an empty statement.
4300 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
4302 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
4305 2005-08-16 Ian Lance Taylor <ian@airs.com>
4307 * doc/tm.texi (Label Output): Correct typo.
4309 2005-08-16 Steven Bosscher <stevenb@suse.de>
4312 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
4313 force_operand will work later on using have_insn_for.
4315 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4317 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
4319 2005-08-16 Ian Lance Taylor <ian@airs.com>
4322 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
4323 vector type, don't try to construct it element by element. Add an
4324 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
4326 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4328 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
4330 2005-08-16 Geoffrey Keating <geoffk@apple.com>
4332 * doc/invoke.texi (Precompiled Headers): Document some more options
4333 which are known to be safe.
4335 2005-08-16 James E Wilson <wilson@specifix.com>
4337 PR tree-optimization/21105
4338 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4339 TREE_OVERFLOW check.
4341 2005-08-16 David Edelsohn <edelsohn@gnu.org>
4343 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
4344 (neg_ltu<mode>): Same.
4346 (neg_gtu<mode>): Same.
4348 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4350 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
4351 (fold_builtin_isdigit): Use fold_buildN.
4352 (build_function_call_expr): Likewise.
4353 * c-typeck.c (c_finish_loop): Likewise.
4355 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
4356 Richard Shann <rshann@superh.com>
4358 PR middle-end/20396:
4359 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
4361 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
4363 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
4365 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
4368 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
4369 arm_compure_save_reg0_reg12_mask to determine when the PIC register
4372 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4375 * fold-const.c (build_range_check): Disable optimization for function
4376 pointer expressions on targets that require function pointer
4379 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
4381 * simplify-rtx.c (simplify_const_relational_operation): When
4382 extracting arguments of a COMPARE, recompute the mode as well.
4384 2005-08-15 Ian Lance Taylor <ian@airs.com>
4386 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
4388 2005-08-15 DJ Delorie <dj@redhat.com>
4390 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
4392 (movsi_splittable): Allow, but split, moves to the stack.
4393 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
4396 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4398 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
4399 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
4400 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
4402 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
4403 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
4404 Delete HOST_PTR_PRINTF.
4406 * configure, config.in: Regenerate.
4408 2005-08-15 David Edelsohn <edelsohn@gnu.org>
4410 * config/rs6000/rs6000.md (QHSI): New mode macro.
4411 (wd): Extend mode attr for QImode and HImode
4412 (dbits): New mode attr.
4413 (zero_extend<mode>di2): Convert to mode macro.
4415 2005-08-15 Steve Ellcey <sje@cup.hp.com>
4418 * doc/invoke.texi (-mgnu-ld): Update description.
4421 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4424 * Makefile.in (tree-chrec.o): Depends on real.h.
4425 * tree-chrec.c: Include real.h.
4426 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
4427 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
4428 * tree-scalar-evolution.c (add_to_evolution_1,
4429 interpret_rhs_modify_expr): Ditto.
4431 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4434 * tree-data-ref.c (estimate_niter_from_size_of_data): When
4435 step is negative compute the estimation from init downwards to zero.
4437 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
4439 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
4441 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4443 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
4445 (legitimate_reload_constant_p): Fix handling of lliXX operands.
4446 Accept double-word constants that can be split.
4447 * config/s390/s390.md ("movti"): Use 'P' constraint.
4448 ("*movdi_31", "*movdf_31"): Likewise.
4450 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
4452 Fix PR tree-optimization/22615
4454 * tree-ssa-structalias.c (solution_set_add): Handle
4455 first_vi_for_offset returning NULL.
4456 (do_da_constraint): Ditto.
4457 (do_sd_constraint): Ditto.
4458 (do_ds_constraint): Ditto
4459 (find_func_aliases): Ditto.
4460 (build_constraint_graph): RHS is allowed be ANYTHING.
4461 (first_vi_for_offset): Return NULL if we couldn't find anything at
4464 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4466 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
4467 over memory as first operand.
4469 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
4472 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
4473 available for setting it.
4475 2005-08-14 Ira Rosen <irar@il.ibm.com>
4477 PR tree-optimization/23320
4478 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
4479 data-refs' types instead of base object nullness. Add check for
4480 pointer type data-refs before first location comparison. Remove
4483 2005-08-14 Andreas Schwab <schwab@suse.de>
4485 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
4487 2005-08-13 James E Wilson <wilson@specifix.com>
4489 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
4490 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
4491 -fstack-protector-all, --param ssp-buffer-size): Document.
4492 (-Wvariadic-macros): Alphabetize.
4493 (-fsched-stalled-insns-dep): Add missing 'f'.
4495 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
4498 2005-08-13 David Edelsohn <edelsohn@gnu.org>
4500 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
4501 or indirect address operand.
4502 (EXTRA_ADDRESS_CONSTRAINT): New.
4503 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
4505 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
4507 PR tree-optimization/22236
4508 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
4509 successors and predecessors.
4510 * tree-chrec.c (chrec_convert): Before converting, check that
4511 sequences don't wrap.
4512 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
4513 (analyze_array): Extern.
4514 (find_data_references_in_loop): Remove call to
4515 compute_estimated_nb_iterations.
4516 * tree-data-ref.h (analyze_array): Declared.
4517 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
4518 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
4519 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
4520 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
4522 * tree-ssa-loop-ivcanon.c: Fix documentation.
4523 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
4524 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
4525 (infer_loop_bounds_from_undefined): New.
4526 (estimate_numbers_of_iterations_loop): Use
4527 infer_loop_bounds_from_undefined.
4528 (used_in_pointer_arithmetic_p): New.
4529 (scev_probably_wraps_p): Pass an extra parameter. Call
4530 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
4531 (convert_step): Fix documentation.
4532 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
4533 Use initial_condition_in_loop_num and evolution_part_in_loop_num
4534 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
4535 scev_probably_wraps_p.
4537 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4539 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
4540 (s390_register_info): Ignore clobbered_regs information for fixed
4541 registers, and only fixed registers.
4542 (s390_init_frame_layout): Remove redundant call.
4544 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
4546 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
4547 description of -Wold-style-casts.
4549 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4550 Jakub Jelinek <jakub@redhat.com>
4552 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4553 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
4554 * config/s390/s390.c (print_operand): New output modifier 'G' added.
4555 (get_thread_pointer): Renamed to s390_get_thread_pointer.
4556 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
4557 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
4558 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
4559 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4560 ("stack_protect_set", "stack_protect_test"): New expanders.
4561 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
4562 "stack_protect_testdi"): New insn definitions.
4564 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4566 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
4568 2005-08-12 Paul Brook <paul@codesourcery.com>
4570 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
4572 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4574 * config/s390/predicates.md (setmem_operand): New predicate.
4575 (shift_count_operand): Accept ANDs with special constants as
4577 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
4578 with special constants.
4579 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
4580 shift_count_operand with setmem_operand.
4582 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4584 * config/s390/s390.c (s390_extract_part, s390_single_part):
4586 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
4587 (s390_output_mi_thunk): Don't use lg on 31 bit.
4588 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
4589 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
4591 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4593 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
4594 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
4595 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
4596 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
4597 with one of the new macros.
4599 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4601 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
4602 Don't set save_return_addr_p.
4603 (s390_register_info): Make clobbered_regs not depending on
4606 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
4608 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
4609 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
4611 2005-08-11 James E. Wilson <wilson@specifix.com>
4613 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
4615 2005-08-11 Jakub Jelinek <jakub@redhat.com>
4617 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
4618 locations gathered by var-tracking in single entry loc_list
4619 over loc_descriptor_from_tree.
4621 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
4622 pass it down to loc_descriptor.
4623 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
4624 (containing_function_has_frame_base): Move earlier in the file.
4625 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
4626 instead of always assuming fbreg can't be used.
4628 2005-08-11 David Edelsohn <edelsohn@gnu.org>
4630 * config/rs6000/altivec.md: Change constraint "m" to "Z".
4631 * config/rs6000/predicates.md (indexed_or_indirect_operand):
4632 Accept address wrapped in AND for Altivec.
4633 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4634 Strip AND wrapping offset address for Altivec.
4636 2005-08-11 Richard Henderson <rth@redhat.com>
4639 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
4640 before using TYPE_IS_SIZETYPE.
4642 2005-08-11 Richard Henderson <rth@redhat.com>
4645 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
4646 insn types not present on ev4.
4647 (alphaev5_insn_pipe): Similarly.
4649 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
4652 * arm.c (arm_override_options): If the user has selected callee-super-
4653 interworking, then enable normal interworking.
4655 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4657 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
4660 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
4662 * doc/rtl.texi: Fix two typos.
4664 2005-08-11 Richard Guenther <rguenther@suse.de>
4667 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
4668 cases where we call to/from functions returning void.
4670 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
4673 * tree.c (build_pointer_type_for_mode): Robustify.
4675 2005-08-10 James E Wilson <wilson@specifix.com>
4677 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
4678 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
4680 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
4683 2005-08-10 Eric Christopher <echristo@apple.com>
4685 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
4686 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
4689 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
4692 * config/darwin.c (machopic_indirect_data_reference): Use a new register
4693 for the high part when generating dynamic-no-pic code.
4695 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
4697 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
4698 (x86_64-*-linux*): Likewise.
4700 * config/i386/crtfastmath.c: New file.
4701 * config/i386/t-crtfm: Likewise.
4703 * config/i386/linux.h (ENDFILE_SPEC): New.
4704 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
4706 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
4709 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
4711 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
4712 (vec_shl, vec_shr): Document new operations.
4713 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
4715 2005-08-10 David Edelsohn <edelsohn@gnu.org>
4717 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
4718 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
4719 change predicate to indexed_or_indirect_address.
4721 2005-08-10 Richard Sandiford <richard@codesourcery.com>
4723 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
4724 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
4725 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
4726 and __aeabi_uwrite8.
4727 * config/arm/unaligned-funcs.c: New file.
4728 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
4730 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
4732 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
4734 * cfglayout.c (pass_insn_locators_initialize): Add dump.
4735 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
4737 * except.c (pass_convert_to_eh_region_ranges): Add dump.
4738 * final.c (pass_shorten_branches): Add dump.
4739 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
4740 (pass_life): Rename dump.
4741 (rest_of_handle_flow2): Remove initial verify_flow_info.
4742 * function.c (pass_instantiate_virtual_regs): Add dump.
4743 * integrate.c (pass_initial_value_sets): Add dump.
4744 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
4745 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
4746 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
4747 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
4748 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
4749 gate_rtl_unrool_and_peel_loops): New.
4750 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
4751 rtl_doloop): Do not look at flags.
4752 * mode-switching.c (pass_mode_switching): Add dump.
4753 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
4754 pass_split_before_regstack): Add dump.
4755 * regmove.c (pass_stack_adjustments): Add dump.
4756 * tree-optimize.c (pass_fixup_cfg): Add dump.
4758 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4761 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
4762 deciding which instruction sequence to use.
4764 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
4766 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
4767 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
4769 2005-08-09 Richard Guenther <rguenther@suse.de>
4771 * c-common.c (builtin_function_2): Remove.
4772 (def_builtin_1): New function.
4773 (c_common_nodes_and_builtins): Use def_builtin_1 to
4774 build builtin functions.
4776 2005-08-09 Jie Zhang <jie.zhang@analog.com>
4778 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
4779 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4780 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
4783 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4785 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
4786 fold_binary instead of fold_build2 since we don't care about the
4788 (loop_niter_by_eval): Likewise.
4789 (compare_trees): Likewise.
4790 (proved_non_wrapping_p): Likewise.
4792 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4796 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
4797 if the if is really empty.
4799 2005-08-09 Steven Bosscher <stevenb@suse.de>
4801 PR tree-optimization/23234
4802 * tree-ssa-math-opts.c (place_reciprocal): New enum.
4803 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
4804 argument of the new enum.
4805 (execute_cse_reciprocals): Add reciprocals for function arguments
4806 on the unique successor edge of the entry block. Update other calls
4807 to execute_cse_reciprocals_1.
4809 2005-08-08 Richard Henderson <rth@redhat.com>
4812 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
4814 2005-08-08 Bob Wilson <bob.wilson@acm.org>
4816 * expr.c (write_complex_part): Return after handling MEM.
4818 2005-08-08 Josh Conner <jconner@apple.com>
4820 PR rtl-optimization/23241
4821 * combine.c (simplify_comparison): Fix error in determining
4822 whether to lift a subreg from comparison.
4824 2005-08-08 David Edelsohn <edelsohn@gnu.org>
4827 * config/rs6000/altivec.md (vec_init<mode>): New.
4828 (vec_set<mode>): New.
4829 (vec_extract<mode>): New.
4830 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
4831 (rs6000_expand_vector_set): New.
4832 (rs6000_expand_vector_extract): New.
4833 (rs6000_legitimate_offset_address_p): Offset addresses are valid
4834 for Altivec modes before reload.
4835 (altivec_expand_vec_init_builtin): New.
4836 (get_element_number): New.
4837 (altivec_expand_vec_set_builtin): New.
4838 (altivec_expand_vec_ext_builtin): New.
4839 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
4841 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
4843 * config/rs6000/rs6000.h (rs6000_builtins): Add
4844 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
4845 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
4846 * config/rs6000/rs6000-protos.h: Declare new functions.
4848 2005-08-08 Jan Hubicka <jh@suse.cz>
4850 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
4851 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
4852 * i386.md (movdi*): Use pic_32bit_operand.
4853 * predicates.md (pic_32bit_operand): New.
4855 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
4858 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
4860 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
4862 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
4863 (test_for_singularity): Use fold_build2.
4865 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4867 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
4869 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
4871 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4872 (COMMON_ASM_OP) Define.
4873 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
4874 (ix86_encode_section_info): Likewise.
4875 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
4876 SUBTARGET_ENCODE_SECTION_INFO.
4878 2005-08-06 Richard Henderson <rth@redhat.com>
4881 * tree-nested.c (convert_local_reference): Save and restore val_only
4882 around component_ref and friends. Clear walk_subtrees by default.
4884 2005-08-06 Peter O'Gorman <peter@pogma.com>
4887 * gcc.c (process_command): Check the argument to -b has a dash.
4888 * doc/invoke.texi: Update -b and -V docs.
4890 2005-08-06 James E Wilson <wilson@specifix.com>
4892 * config/mips/cross64.h, config/mips/t-cross64: Delete.
4894 2005-08-06 Michael Matz <matz@suse.de>
4896 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
4897 member only if only one insn is associated with the value.
4899 2005-08-06 Nick Clifton <nickc@redhat.com>
4901 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
4903 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
4904 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
4905 Check symbol flags instead of symbol name mangling.
4906 (xstormy16_asm_output_aligned_common): Likewise. Also
4907 simplify code since the bss100_section cass is the only case
4908 where the below100 code will be triggered.
4909 (xstormy16_encode_section_info): Encode below100 attribute
4910 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
4912 (xstormy16_strip_name_encoding): Delete - this function is no
4914 (TARGET_STRIP_NAME_ENCODING): Undefine.
4915 * config/stormy16/stormy16-protos.h: Delete prototype for
4916 xstormy16_strip_name_encoding.
4918 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
4920 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
4921 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
4922 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
4923 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
4924 config/alpha/predicates.md, config/arc/arc.h,
4925 config/arm/arm.h, config/arm/ieee754-df.S,
4926 config/arm/ieee754-sf.S, config/bfin/bfin.c,
4927 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
4928 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
4929 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
4930 config/m68hc11/m68hc11.h, config/mips/mips.c,
4931 config/mips/mips.h, config/mips/openbsd.h,
4932 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
4933 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
4934 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4935 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4936 config/sparc/linux.h, config/sparc/linux64.h,
4937 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
4938 doc/extend.texi, doc/gcov.texi, doc/install.texi,
4939 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
4940 typos. Follow spelling conventions.
4942 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
4945 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
4946 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
4947 specially. Check for side effects only for COND_EXPR.
4948 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
4949 return with TREE_NO_WARNING.
4951 2005-08-06 Richard Sandiford <richard@codesourcery.com>
4953 PR rtl-optimization/23233
4954 * loop.c (combine_movables): Require the modes to be the same.
4955 (move_movables): Remove handling of cases where the replacement
4956 had a different mode to the original.
4958 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
4960 PR tree-optimization/23128
4961 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
4962 subtraction wrap, and set TREE_OVERFLOW if they do.
4964 2005-08-05 Richard Henderson <rth@redhat.com>
4967 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
4968 FORCED_LABEL labels.
4970 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
4973 * reload.c (find_reloads_subreg_address): Pass down TYPE
4974 unchanged. Change all callers except find_reloads_toplev.
4976 2005-08-05 Michael Matz <matz@suse.de>
4978 * genattrtab.c (current_alternative_string): Remove.
4979 (SIMPLIFY_ALTERNATIVE): Ditto.
4980 (attr_alt_bit_p): Ditto.
4981 (alternative_name): Make const char *.
4982 (evaluate_eq_attr): Remove use of above things.
4983 (simplify_test_exp): Ditto.
4984 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
4985 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
4987 2005-08-04 James E Wilson <wilson@specifix.com>
4989 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
4990 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
4991 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
4992 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
4993 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
4995 2005-08-04 Richard Henderson <rth@redhat.com>
4998 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
4999 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
5000 * tree-sra.c (decide_block_copy): Use it. Disable element copy
5001 if we'd have to instantiate too many members.
5003 2005-08-04 Richard Henderson <rth@redhat.com>
5006 * tree-outof-ssa.c (coalesce_asm_operands): New.
5007 (coalesce_ssa_name): Use it. Split out ...
5008 (coalesce_phi_operands, coalesce_result_decls): ... these.
5010 2005-08-04 Paul Brook <paul@codesourcery.com>
5012 * read-rtl.c (read_quoted_string): Break if EOF.
5014 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
5016 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
5017 (fold_build2): Likewise.
5018 (fold_build3): Likewise.
5019 (fold_build1_stat): New function prototype.
5020 (fold_build2_stat): Likewise.
5021 (fold_build3_stat): Likewise.
5022 * fold-const.c (fold_build1): Rename to ..
5023 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5024 through to build1_stat.
5025 (fold_build2): Rename to ..
5026 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5027 through to build2_stat.
5028 (fold_build3): Rename to ..
5029 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5030 through to build3_stat.
5032 2005-08-04 David Edelsohn <edelsohn@gnu.org>
5033 Ian Lance Taylor <ian@airs.com>
5035 * function.c (assign_stack_local_1): Do not correct stack slot
5036 address if allocation size is smaller than mode size.
5038 2005-08-04 Diego Novillo <dnovillo@redhat.com>
5041 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
5042 (tree_merge_blocks): Propagate anything allowed by
5044 Clarify documentation.
5045 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
5046 SSA form, schedule an update if necessary.
5048 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
5050 * doc/install.texi (Binaries): Remove broken link to
5051 Sinix/Reliant Unix binaries.
5053 2005-08-03 Richard Henderson <rth@redhat.com>
5056 * function.c (stack_protect_epilogue): Export.
5057 * tree.h (stack_protect_epilogue): Declare.
5058 * calls.c (expand_call): Call it.
5060 2005-08-03 Eric Christopher <echristo@apple.com>
5062 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
5063 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
5066 2005-08-04 Jan Hubicka <jh@suse.cz>
5068 * profile.c (branch_prob): Split edges with goto locus on them
5069 to get proper line counts.
5070 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
5072 2005-08-03 Paul Brook <paul@codesourcery.com>
5074 * function.c (assign_parms): Round current_function_args_size
5075 to PARM_BOUNDARY, not STACK_BOUNDARY.
5077 2005-08-03 Geoffrey Keating <geoffk@apple.com>
5079 * config/i386/i386.c (x86_elf_aligned_common)
5080 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
5082 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
5084 PR tree-optimization/23157
5085 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
5086 before emitting them.
5088 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5090 PR tree-optimization/19899
5091 * Makefile.in (tree-scalar-evolution.o): Add real.h.
5092 * tree-scalar-evolution.c: Include real.h.
5093 (add_to_evolution): Build constant -1 of correct type.
5095 2005-08-03 Jan Hubicka <jh@suse.cz>
5097 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
5098 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
5099 profile updating for complette unrolling.
5100 * loop-unroll.c (peel_loop_completely): Use it.
5101 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
5102 (tree_unroll_loops_completely): Disable code growing unrolling of cold
5105 2005-08-03 Paul Brook <paul@codesourcery.com>
5107 * combine.c (can_change_dest_mode): New function.
5108 (try_combine, simplify_set): Use it.
5110 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
5112 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
5115 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
5117 * doc/install.texi (Specific): Adjust link to openavr.org.
5118 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
5119 (Binaries): Adjust HP-UX Porting Center link.
5120 (Binaries): Adjust Free Software Foundation ordering link.
5122 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
5124 * convert.c (convert_to_integer): Use fold_build1 instead of
5125 build1 when converting an integer to an integer.
5127 2005-08-02 Richard Henderson <rth@redhat.com>
5129 * combine.c (combine_instructions): Don't use reg_equal/equiv
5130 results if the mode doesn't match.
5132 2005-08-02 Mark Mitchell <mark@codesourcery.com>
5134 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
5135 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
5137 2005-08-02 Richard Henderson <rth@redhat.com>
5140 * explow.c (memory_address): Remove special-case for
5141 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
5143 2005-08-02 Diego Novillo <dnovillo@redhat.com>
5146 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
5147 number of calls to cleanup_tree_cfg_1.
5149 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
5151 * doc/invoke.texi: document file extensions .F90 and .F95
5153 2005-08-02 Richard Guenther <rguenther@suse.de>
5155 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
5156 positive if its first argument is positive.
5158 2005-08-02 Richard Guenther <rguenther@suse.de>
5160 PR tree-optimization/23177
5161 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
5164 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
5166 PR tree-optimization/23129
5167 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
5168 varying for divisions with anti-ranges.
5170 2005-08-02 Jan Hubicka <jh@suse.cz>
5172 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
5173 * tree-ssa-threadupdate.c (thread_block): Add it here.
5175 2005-08-01 James E Wilson <wilson@specifix.com>
5177 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
5178 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
5179 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
5181 * config/mips/predicates.md (const_call_insn_operand): Add check for
5182 SYMBOL_REF_LONG_CALL_P.
5183 * doc/extend.texi (long_call): Document the new attribute.
5185 2005-08-01 Ian Lance Taylor <ian@airs.com>
5186 Richard Henderson <rth@redhat.com>
5188 * Makefile.in (RTL_BASE_H): Add real.h.
5189 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
5191 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
5193 * rtl.c (rtl_check_failed_code_mode): New.
5194 * rtl.h (struct rtx_def): Add u.rv.
5195 (XCMWINT, XCNMPRV): New.
5196 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
5197 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
5199 2005-08-01 Richard Henderson <rth@redhat.com>
5201 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
5202 with auto-inc codes.
5204 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
5206 2005-08-01 Jan Hubicka <jh@suse.cz>
5208 * i386-protos.h (asm_preferred_eh_data_format): Declare.
5209 * i386.c: Include dwarf2.h
5210 (asm_preferred_eh_data_format): New.
5211 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
5213 2005-08-01 Ian Lance Taylor <ian@airs.com>
5215 * config/host-linux.c (linux_gt_pch_get_address): Add new name
5216 randomize_va_space for virtual address randomization control.
5218 2005-08-01 Steven Bosscher <stevenb@suse.de>
5220 * common.opt (flag_ipa_cp): Put in right place to maintain
5223 2005-08-01 Jan Hubicka <jh@suse.cz>
5225 * profile.c (compute_value_histograms): Fix thinko.
5226 * value-prof.c: Include toplev.h
5227 (check_counter): New function.
5228 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
5229 tree_mod_subtract_transform): Add sanity check.
5231 2005-08-01 Richard Guenther <rguenther@suse.de>
5233 PR tree-optimization/23133
5234 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
5235 current functions parameter decls to find defs to cse
5238 2005-08-01 Richard Guenther <rguenther@suse.de>
5240 PR tree-optimization/23109
5241 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
5242 If trapping math is in effect, use post-dominator information
5243 to check if we'd in any case reach a trapping point before
5244 doing the reciprocal insertion.
5245 (execute_cse_reciprocals): Compute post-dominators, if necessary.
5246 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
5247 expressions are invariant only if trapping math is not in effect.
5249 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5251 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
5252 cgraph_function_versioning): New declarations.
5253 * cgraphunit.c: Add include to ipa-prop.h.
5254 (update_call_expr, cgraph_copy_node_for_versioning,
5255 cgraph_function_versioning): New functions.
5256 * integrate.c (copy_decl_for_inlining): Remove.
5257 * ipa-prop.h (ipa_replace_map): New struct.
5258 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
5259 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
5260 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
5261 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
5262 ipcp_iterate_stage, ipcp_method_scale_print,
5263 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
5264 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
5265 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
5266 ipcp_update_bb_counts, ipcp_update_profiling,
5267 ipcp_update_edges_counts): New functions.
5268 (ipcp_method_cval_init): Remove restriction regarding local methods.
5269 (ipcp_init_stage): Add ipcp_method_compute_scale.
5270 (ipcp_insert_stage): Add versioning.
5271 (ipcp_structures_print): Add ipcp_method_scale_print.
5272 (ipcp_driver): Dump profiling info.
5273 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
5274 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
5275 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
5276 (struct inline_data): Add versioning_p, ipa_info, new fields.
5277 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
5278 declare_return_variable): Replace calls to copy_decl_for_inlining with
5280 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
5282 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
5283 Add argument VERSIONING.
5284 (copy_arguments_for_versioning, copy_static_chain,
5285 function_versionable_p, tree_versionable_function_p,
5286 tree_function_versioning, replace_ref_tree): New functions.
5287 * tree-inline.h: Include varray.h.
5288 (tree_versionable_function_p, tree_function_versioning,
5289 tree copy_decl_for_dup): New declarations.
5291 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5293 * ipa-cp.c: New file. Contains IPCP specific functionality.
5294 * ipa-prop.h: New file. Contains structures/definitions that can be
5295 used by several interprocedural data flow optimizations (and also IPCP).
5296 * ipa-prop.c: New file.
5297 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
5298 * common.opt: Add ipa-cp flag.
5299 * timevar.def: Add IPCP optimization.
5300 * tree-optimize.c (init_tree_optimization_passes): Schedule
5302 * tree-pass.h (pass_ipa_cp): Declare.
5304 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
5306 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
5307 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
5308 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
5309 config/i386/i386.c, config/mips/mips.h,
5310 config/rs6000/rs6000.h, config/sh/sh.c,
5311 config/stormy16/stormy16.c: Fix comment typos.
5313 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
5316 * c-typeck.c (build_binary_op): Use common_type wrapper on
5318 (common_type): Update comment.
5320 2005-07-31 Steven Bosscher <stevenb@suse.de>
5323 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
5324 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
5325 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
5327 2005-07-31 Jan Hubicka <jh@suse.cz>
5329 * pretty-print.h (pp_widest_integer): New macro.
5330 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
5333 2005-07-31 Jan Hubicka <jh@suse.cz>
5335 * output.h (enum section_category): Export from varasm.c
5336 (categorize_decl_for_section): Likewise.
5337 * varasm.c (enum section_category): Kill.
5338 (categorize_decl_for_section): Make global.
5339 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
5341 * i386.c (ix86_section_threshold): New static variable.
5342 (ix86_in_large_data_p, ix86_encode_section_info,
5343 x86_64_elf_unique_section,
5344 x86_64_elf_select_section): New functions.
5345 (TARGET_ENCODE_SECTION_INFO): Define
5346 (override_options): Enable medium model for PIC.
5347 (ix86_expand_prologue): Expand gen_set_got_rex64.
5348 (legitimate_constant_p): Handle new UNSPECs.
5349 (legitimate_pic_address_disp_p): Likewise.
5350 (legitimize_pic_address): Lower MEDIUM model addressing.
5351 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
5352 (enum cmodel): Add MEDIUM_PIC.
5353 (SYMBOL_REF_FAR_ADDR_P): New macro.
5354 (SYMBOL_FLAG_FAR_ADDR): New flag.
5355 * i386.md (movdi): Support medium model.
5356 (set_got_rex64): New pattern.
5357 * i386.opt (mlarge-data-threshold): New flag.
5358 * predicates.md (zext_operand/sext_operand): Deal with medium model.
5359 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
5360 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
5361 TARGET_ASM_UNIQUE_SECTION): New.
5363 * invoke.texi (-mlarge_data_threshold): Document
5365 2005-07-31 Jan Hubicka <jh@suse.cz>
5367 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
5368 (coalesce_vars): Likewise.
5369 * tree-ssa-live.c (coalesce_cost): New.
5370 (build_tree_conflict_graph): Use coalesce_cost.
5371 * tree-ssa-live.h (coalesce_cost): Declare.
5373 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
5375 * arm.md (all peepholes for post-increment operations): Delete.
5376 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
5377 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
5378 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
5379 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
5380 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
5382 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
5384 * fold-const.c (tree_expr_nonnegative_p): Always return true for
5387 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
5390 * doc/invoke.texi: Document -rdynamic.
5392 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
5395 * c-parser.c (c_parser_parms_list_declarator): Call
5396 mark_forward_parm_decls.
5397 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
5398 decls with visibility structure.
5400 2005-07-30 Paul Brook <paul@codesourcery.com>
5402 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
5404 2005-07-30 Paul Brook <paul@codesourcery.com>
5406 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
5408 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
5410 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
5412 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5415 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
5416 nested function declarators.
5417 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
5418 (grokparms): Call warn_if_shadowing for parameters used within the
5420 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
5421 not used within the parameter list.
5422 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
5424 2005-07-30 Jan Hubicka <jh@suse.cz>
5426 * expr.c (expand_expr_real_1): Do not load mem targets into register.
5427 * i386.c (ix86_fixup_binary_operands): Likewise.
5428 (ix86_expand_unary_operator): Likewise.
5429 (ix86_expand_fp_absneg_operator): Likewise.
5430 * optabs.c (expand_vec_cond_expr): Validate dest.
5432 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5435 * real.c (real_from_string): Also set last bit if there is a
5436 nonzero hex digit beyond GCC's internal precision after ".".
5438 2005-07-29 David Edelsohn <edelsohn@gnu.org>
5440 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
5441 define_constants. Change duplicate values to unassigned numbers.
5442 Change UNSPEC_SUBS to UNSPEC_VSUBS.
5443 (*altivec_vspltsf): New.
5444 (altivec_vperm_v4sf): Delete.
5445 (altivec_vperm_<mode>): Use mode macro V.
5446 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
5447 (altivec_predicate_v4sf): Delete.
5448 (altivec_predicate_<mode>): Use mode macro V.
5449 (*altivec_lvesfx): New.
5450 (*altivec_stvesfx): New.
5451 (vec_realign_load_v4sf): Delete.
5452 (vec_realign_load_<mode>): Use mode macro V.
5453 * config/rs6000/rs6000.c (generate_set_vrsave): Use
5456 2005-07-29 Mark Mitchell <mark@codesourcery.com>
5459 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
5461 * configure: Regenerated.
5463 2005-07-29 Paul Brook <paul@codesourcery.com>
5465 * doc/install.texi: Add link to GFortran binaries wiki page.
5467 2005-07-29 David Ung <davidu@mips.com>
5469 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
5470 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
5471 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
5472 * config/mips/mips.md (cpu): Add 5kf name.
5473 (includes): Includes 5k.md.
5474 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
5475 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
5478 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5481 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
5482 (cleanup_tree_cfg): ... here.
5483 Call cleanup_tree_cfg_1 until there are no more cleanups to
5486 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
5488 * tree-vrp.c (compare_range_with_value): Return true or false
5489 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
5490 EQ_EXPR respectively.
5492 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
5494 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
5497 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5499 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
5500 (tree_ssa_dominator_optimize): Increment it.
5501 (dump_dominator_optimization_stats): Print it.
5503 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
5504 Steven Bosscher <stevenb@suse.de>
5506 PR rtl-optimization/23117
5507 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
5508 when head == tail. Tidy comment.
5510 2005-07-28 Richard Henderson <rth@redhat.com>
5512 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
5513 * cselib.c (rtx_equal_for_cselib_p): Likewise.
5514 * jump.c (rtx_renumbered_equal_p): Likewise.
5515 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
5516 CONST_INT and CONST_DOUBLE.
5517 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
5518 * reload.c (operands_match_p): Special case CONST_INT and
5519 CONST_DOUBLE; check mode earlier.
5521 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5524 * c-typeck.c (convert_for_assignment): Do not check
5525 DECL_IN_SYSTEM_HEADER on NULL fundecl.
5527 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5530 * c-typeck.c (composite_type): Prefer constant size arrays to
5533 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5536 * real.c (real_from_string): Set last bit if there is a nonzero
5537 hex digit beyond GCC's internal precision.
5539 2005-07-28 Richard Henderson <rth@redhat.com>
5542 * cfgcleanup.c (try_forward_edges): Watch out for end of
5545 2005-07-28 James E Wilson <wilson@specifixinc.com>
5548 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
5550 2005-07-28 Jan Hubicka <jh@suse.cz>
5552 * Makefile.in (rtl-profile.o): Kill all traces of it.
5553 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
5554 * coverage.h (rtl_coverage_counter_ref): Kill.
5555 * opts.c (flag_speculative_prefetching_set): Kill.
5556 (flag_loop_optimize_set): New.
5557 (common_handle_option): Disable loop optimizer when profiling;
5558 do not handle speculative prefetching.
5559 * passes.c (init_optimization_passes): Replace pass_profiling combo
5560 by branch_prob pass.
5561 * profile.c (compute_value_histograms): Update for simplified value
5563 (rtl_register_profile_hooks): Kill.
5564 (pass_profiling): Kill.
5565 (rest_of_handle_branch_prob): Do not profile.
5566 * toplev.c (process_options): Remove speculative prefetching.
5567 * toplev.h (flag_tree_based_profiling): Kill.
5568 * tree-profile.c (prepare_instrumented_value,
5569 tree_gen_interval_profiler, tree_gen_pow2_profiler,
5570 tree_gen_one_value_profiler, do_tree_profiling): Update for
5571 simplified datastructures.
5572 * value-prof.c: Add comment that speculative prefetching was dropped;
5573 update rest of file for simplified datastructures.
5574 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
5575 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
5576 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
5577 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
5578 rtl_mod_subtract, gen_speculative_prefetch,
5579 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
5580 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
5581 (gate_handle_value_profile_transformations,
5582 rest_of_handle_value_profile_transformations,
5583 pass_value_profile_transformations): Kill.
5584 * value-prof.h (histogram_value_t): Remove IL based unions.
5585 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
5586 rtl_profile_hooks): Remove hooks.
5588 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
5590 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
5591 (cgraph_clone_node): Likewise.
5592 * cgraph.h (cgraph_clone_edge): Update prototype.
5593 (cgraph_clone_node): Likewise.
5594 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
5596 (lookup_recursive_calls): Consider profile.
5597 (cgraph_decide_recursive_inlining): Fix updating; use new
5598 probability argument; use profile.
5599 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
5600 * tree-inline.c (copy_bb): Update clal of clone_edge.
5601 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
5603 * invoke.texi (min-inline-recursive-probability): Document.
5605 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
5607 * doc/install.texi (Configuration): Update Valgrind homepage.
5609 2005-07-28 Richard Henderson <rth@redhat.com>
5612 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
5613 labels we want to delete.
5614 (cfg_layout_merge_blocks): Likewise.
5616 2005-07-28 Richard Henderson <rth@redhat.com>
5619 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
5620 when expanding to nothing.
5622 2005-07-28 Josh Conner <jconner@apple.com>
5624 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
5625 (cgraph_decide_inlining_of_small_functions): Likewise.
5627 2005-07-28 Josh Conner <jconner@apple.com>
5629 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
5630 direction of badness if negative.
5631 (cgraph_default_inline_p): Add reason to parameters, and assign it
5633 (cgraph_decide_inlining_of_small_functions): New parameter in call
5634 to cgraph_default_inline_p.
5635 (cgraph_decide_inlining_incrementally): Likewise.
5636 * cgraphunit.c (decide_is_function_needed): Likewise.
5637 * cgraph.h (cgraph_default_inline_p): Likewise.
5639 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5641 * builtins.c: Fix comment typo(s).
5642 * genautomata.c: Likewise.
5643 * gimplify.c: Likewise.
5644 * tree-dfa.c: Likewise.
5645 * tree-flow-inline.h: Likewise.
5646 * tree-into-ssa.c: Likewise.
5647 * tree-ssa-alias.c: Likewise.
5648 * tree-ssa-ccp.c: Likewise.
5649 * tree-ssa-copy.c: Likewise.
5650 * tree-ssa-dce.c: Likewise.
5651 * tree-ssa-dom.c: Likewise.
5652 * tree-ssa-operands.c: Likewise.
5653 * tree-tailcall.c: Likewise.
5654 * tree-vectorizer.c: Likewise.
5655 * tree-vrp.c: Likewise.
5658 2005-07-28 Jeff Law <law@redhat.com>
5660 * tree-vrp.c (test_for_singularity): Extracted from ...
5661 (simplify_cond_using_ranges): Attempt to simplify a relational
5662 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
5664 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
5666 PR tree-optimization/22506
5667 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
5668 phis whose argument is constant.
5670 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
5672 PR rtl-optimization/18992
5673 Back out this patch:
5674 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5675 PR optimization/12142
5676 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
5677 uses of the register in the SET_SRC. Remove unnecessary argument.
5679 Replace it with this:
5680 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
5681 if flag_non_call_exceptions is set and the insn may trap, pass
5682 pc_rtx as dest for recursion.
5683 In SET_SRC part of SET case, if dest is already set, pass it down
5686 2005-07-28 Jan Hubicka <jh@suse.cz>
5688 * cfg.c (update_bb_profile_for_threading): Use RDIV.
5689 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
5690 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
5692 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
5693 profile when available.
5695 2005-07-28 Jan Beulich <jbeulich@novell.com>
5697 * config/ia64/ia64.c (ia64_load_pair_ok): New.
5698 (ia64_print_operand): Describe and handle 'X'.
5699 (ia64_register_move_cost): Also handle FP_REGS.
5700 (ia64_preferred_reload_class): Likewise.
5701 (ia64_secondary_reload_class): Likewise.
5702 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
5703 it. Also check for ITANIUM_CLASS_FLDP.
5704 * config/ia64/ia64.h (FP_REGNO_P): New.
5705 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
5706 (reg_class): Add FP_REGS.
5707 (REG_CLASS_NAMES): Adjust for it.
5708 (REG_CLASS_CONTENTS): Likewise.
5709 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
5710 (REG_CLASS_FROM_LETTER): Handle 'x'.
5711 (CLASS_MAX_NREGS): Handle FP_REGS.
5712 (MEMORY_MOVE_COST): Likewise.
5713 * config/ia64/ia64.md (itanium_class): Add fldp.
5714 (type): Handle fldp.
5715 (movti_internal): More allowable operand combinations. Use ldfp8 when
5716 splitting unnecessary. Remove predicable attribute. Adjust
5717 itanium_class attribute.
5718 (smuldi3_highpart): Remove outdated comment.
5719 (mulditi3, umulditi3, rotlti3): New expanders.
5720 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
5721 (absti2): Disabled new insn for future reference.
5722 Respective new splitters.
5723 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
5724 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
5725 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
5727 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
5729 PR rtl-optimization/23047
5730 * simplify-rtx.c (simplify_const_relational_operation): Respect
5731 flag_wrapv for comparisons with ABS.
5733 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
5735 PR tree-optimization/22493
5736 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
5737 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
5739 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
5741 * config/frv/frv.opt (moptimize-membar): New.
5743 * doc/invoke.texi: Document -moptimize-membar and its inverse.
5745 * config/frv/frv.h: Remove machine_function definition.
5747 * config/frv/frv.c (struct frv_io): New.
5748 (struct machine_function): Moved from frv.h. Add has_membar_p.
5749 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
5750 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
5751 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
5752 (frv_optimize_membar_global, frv_optimize_membar): New functions.
5753 (frv_reorg): Call frv_optimize_membar when appropriate.
5754 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
5755 (frv_expand_builtin): Adjust calls accordingly.
5756 (frv_io_address_cookie): New function.
5757 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
5758 load or store rather than a special insn. Add ccnstant address and
5759 io-type operands to the membar.
5760 (frv_ifcvt_modify_tests): Unsign regno.
5761 (frv_ifcvt_modify_tests): Same.
5763 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
5764 UNSPEC_OPTIONAL_MEMBAR constant.
5765 (builtin_read_<mode>): Delete.
5766 (builtin_write_<mode>): Delete.
5767 ("optional_membar_<mode>"): Add operand.
5769 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
5770 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
5771 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
5772 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
5773 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
5774 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
5775 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
5776 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
5777 * testsuite/gcc.target/frv/all-read-write-1.c: New.
5779 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
5781 * df.c (df_uses_record): Handle SCRATCH.
5783 2005-07-28 Steven Bosscher <stevenb@suse.de>
5786 * passes.c (rest_of_decl_compilation): If decl is a type and
5787 we have encountered errors, don't emit debug information.
5789 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5791 * params.def: Fixed comment.
5793 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
5796 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
5797 (TARGET_ASM_UNALIGNED_HI_OP): Add.
5798 (TARGET_ASM_UNALIGNED_SI_OP): Add.
5800 2005-07-27 Steven Bosscher <stevenb@suse.de>
5803 * varasm.c (assemble_start_function): Don't do anything that may
5804 require a CFG if the current function is a thunk.
5806 2005-07-25 Geoffrey Keating <geoffk@apple.com>
5808 * doc/install.texi (Prerequisites): Mention that perl is needed
5809 to do export control in libstdc++ targetting Darwin.
5811 2005-07-27 Steven Bosscher <stevenb@suse.de>
5813 PR rtl-optimization/17808
5814 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
5815 (sched_insns_conditions_mutex_p): Split out from...
5816 (add_dependence): ...here. But don't call it from here.
5817 (add_dependence_list): Check sched_insns_conditions_mutex_p
5818 before calling add_dependence.
5819 (add_dependence_list_and_free): Likewise.
5820 (fixup_sched_groups): Likewise.
5821 (sched_analyze_1): Likewise.
5822 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
5823 (sched_analyze): Likewise.
5824 (sched_analyze_insn): Likewise.
5825 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5826 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
5827 dependencies on all COND_EXEC insns to jumps ending basic blocks
5828 when doing intrablock scheduling.
5829 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
5831 2005-07-27 Jeff Law <law@redhat.com>
5833 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
5834 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
5835 equivalency sets, correctly handle the case were vr0 has an
5836 equivalency set, but vr1 does not.
5838 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
5840 PR tree-optimization/23073
5841 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
5842 vect_print_dump_info before fprintf.
5844 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5846 PR tree-optimize/22348
5847 * tree-ssa-loop-niter.c (number_of_iterations_cond):
5848 Fold the partial computation.
5850 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5852 PR tree-optimization/22325
5853 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
5855 * tree-scalar-evolution.c (scev_const_prop): Add generic final
5857 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
5858 (force_var_cost): ... this function.
5859 (compute_phi_arg_on_exit): Export.
5861 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5863 PR tree-optimization/20773
5864 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
5867 2005-07-27 Richard Guenther <rguenther@suse.de>
5869 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
5870 Avoid pushing again if current struct contains only
5871 fields we decomposed.
5873 2005-07-27 Jan Hubicka <jh@suse.cz>
5875 PR tree-optimization/22574
5876 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
5879 * tree-tailcall.c (decrease_profile): New function.
5880 (eliminate_tail_call): Use it.
5882 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
5883 visibility flags correctly in whole program mode.
5885 2005-07-26 Steve Ellcey <sje@cup.hp.com>
5887 PR rtl-optimization/22472
5888 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
5890 2005-07-26 Steven Bosscher <stevenb@suse.de>
5892 PR tree-optimization/22504
5893 * tree-complex.c (expand_complex_addition): Use 'code' instead
5894 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
5896 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
5898 * config.gcc (cpu_type): Add frv case.
5899 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
5900 (supported_defaults): Add fr550 case.
5902 2005-07-26 Diego Novillo <dnovillo@redhat.com>
5905 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
5906 whether a pointer of type T * may point to objects of type T *.
5908 2005-07-26 DJ Delorie <dj@redhat.com>
5910 * configure: Regenerate.
5912 2005-07-26 Dale Johannesen <dalej@apple.com>
5914 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
5916 2005-07-26 Mark Mitchell <mark@codesourcery.com>
5918 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
5919 Clarify use of "build" in name.
5921 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
5923 * doc/extend.texi (Raw read/write Functions): New section.
5924 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
5925 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
5926 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
5927 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
5928 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
5929 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
5930 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
5931 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
5932 * config/frv/frv.c: Add bdesc_loads global.
5933 Add bdesc_stores global.
5934 (frv_init_builtins): Add support for __builtin_{read/write}*.
5935 (frv_volatile_memref): New.
5936 (frv_expand_load_builtin): New.
5937 (frv_expand_store_builtin): New.
5938 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
5939 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
5940 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
5941 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
5942 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
5943 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
5944 (builtin_read_<mode>): New.
5945 (builtin_write_<mode>): New.
5946 (builtin_write64): New.
5947 (optional_membar_<mode>): New.
5949 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
5951 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
5952 (rather than units) against HOST_BITS_PER_WIDE_INT.
5954 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
5956 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
5957 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
5958 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
5959 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
5962 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
5963 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
5964 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
5966 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
5968 2005-07-26 Richard Guenther <rguenther@suse.de>
5970 PR tree-optimization/22486
5971 * fold-const.c (fold_unary): Fold away useless component
5972 references of the form (T *)&T.x, if the address
5975 2005-07-25 James E Wilson <wilson@specifixinc.com>
5977 * dwarf2out.c (add_call_src_coords_attributes): New.
5978 (gen_inlined_subroutine_die): Call it.
5979 (maybe_emit_file, init_file_table): Add comments.
5980 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
5982 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
5983 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
5984 * tree.h (BLOCK_SOURCE_LOCATION): New.
5985 (struct tree_block): New field locus.
5987 2005-07-26 Andreas Schwab <schwab@suse.de>
5989 PR rtl-optimization/23043
5990 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
5991 when allocating a struct unoccr.
5993 2005-07-25 Richard Henderson <rth@redhat.com>
5996 * tree-complex.c (gate_no_optimization): True if errors.
5997 * Makefile.in (tree-complex.o): Update dependencies.
5999 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
6001 * config/frv/predicates.md (integer_register_operand): Use
6004 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
6007 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
6009 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
6011 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
6013 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
6014 types when flag_unsafe_math_optimizations is true.
6016 2005-07-25 Mark Mitchell <mark@codesourcery.com>
6018 * gcc.c (option_map): Add --sysroot.
6019 (process_command): Handle --sysroot.
6020 (display_help): Document it.
6021 * doc/cppopts.tex (-isysroot): Document.
6022 * doc/invoke.texi (--sysroot): Document.
6023 * doc/install.texi (--with-build-sysroot): Document.
6025 * Makefile.in (inhibit_libc): New variable.
6026 (INHIBIT_LIBC_CFLAGS): Likewise.
6027 (LIBGCC2_CFLAGS): Include
6028 $(INHIBIT_LIBC_CFLAGS).
6029 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
6030 ($(T)crtbegin.o): Do not use @inhibit_libc@.
6031 ($(T)crtend.o): Likewise.
6032 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
6033 ($(T)crtendS.o): Likewise.
6034 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
6035 ($(T)crtendT.o): Likewise.
6036 (stmp-fixinc): Do not complain about missing headers if
6038 * configure.ac (inhibit_libc): Set it to true/false.
6039 (--with-build-sysroot): New option. Use it to set
6041 * configure: Regenerated.
6043 2005-07-25 Manfred Hollstein <mh@suse.com>
6045 * calls.c (store_one_arg): Fix unsigned comparison warning.
6047 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
6050 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
6051 (ggc_print_statistics): Initialize variable before use.
6053 2005-07-25 Richard Guenther <rguenther@suse.de>
6055 * tree-dfa.c (mark_new_vars_to_rename): Protect against
6056 calling with a PHI_NODE argument.
6058 * tree-flow-inline.h (overlap_subvar): Protect against
6061 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
6063 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
6064 * configure: Regenerate.
6066 2005-07-25 Ira Rosen <irar@il.ibm.com>
6068 * expr.c (highest_pow2_factor): Make extern.
6069 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
6070 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
6071 record_array_differ_p, array_ptr_differ_p): Likewise.
6072 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
6073 additional cases. Call the above functions.
6074 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
6075 base_object_differ_p when there are two base objects. Otherwise, compare
6076 base address and offset. Call may_alias_p.
6077 (dump_data_reference): Use a correct field name.
6078 (analyze_array): Make static. Initialize new data-ref fields.
6079 (analyze_indirect_ref): New function.
6080 (init_data_ref): Initialize new data-ref fields.
6081 (strip_conversion): Moved from tree-vect-analyze.c.
6082 (analyze_offset_expr, get_ptr_offset, address_analysis,
6083 object_analysis): Likewise.
6084 (analyze_offset): New function.
6085 (create_data_ref): Likewise.
6086 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
6087 dimensions for ARRAY_REFs only.
6088 (build_classic_dist_vector): Make static.
6089 (access_functions_are_affine_or_constant_p): Call macro to get the
6090 address of access functions.
6091 (compute_all_dependences): Add new parameter
6092 compute_self_and_read_read_dependences. Compute self and read-read
6093 dependences if it is true.
6094 (find_data_references_in_loop): Call create_data_ref. Initialize new
6096 (compute_data_dependences_for_loop): Add new parameter
6097 compute_self_and_read_read_dependences. Remove parameter nb_loops,
6098 compute nb_loops. Call compute_all_dependences,
6099 build_classic_dist_vector and build_classic_dir_vector with correct
6101 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
6102 with correct parameters. Compare dimensions for ARRAY_REFs only.
6103 (free_data_refs): Call macro to free access functions.
6104 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
6105 fields from stmt_vinfo.
6106 (struct base_object_info): New structure.
6107 (struct data_reference): Move fields to base_object_info. Add fields
6108 first_location and object_info for above structures. Move fields from
6109 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
6110 aligned_to. Add macros to access the new fields.
6111 Update functions declarations.
6112 * tree-flow.h (is_aliased_with): Declare.
6113 * tree-loop-linear.c (linear_transform_loops): Call
6114 compute_data_dependences_for_loop with correct parameters.
6115 * tree-ssa-alias.c (is_aliased_with): New function.
6116 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
6117 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
6118 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
6119 vect_base_addr_differ_p, compute_subscript_distance and
6120 build_classic_dist_vector. Add printings. Check absolute value of
6122 (vect_analyze_data_ref_dependences): Go through ddrs instead of
6124 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
6125 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
6126 to bytes. Add printing.
6127 (vect_compute_data_refs_alignment): Go through loads and stores in one
6129 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
6130 vect_analyze_data_ref_access): Likewise.
6131 (vect_analyze_pointer_ref_access): Remove.
6132 (vect_address_analysis, vect_object_analysis): Likewise.
6133 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
6134 and analyze data-refs in the loop.
6135 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
6136 fields of data-ref instead of stmt. Add init to the offset from the
6138 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
6139 (vect_update_init_of_dr): Likewise.
6140 (vect_update_inits_of_drs): Go through loads and stores in one loop.
6141 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
6143 (new_loop_vec_info): Initialize new fields.
6144 (destroy_loop_vec_info): Free new fields.
6145 (vect_strip_conversion): Remove.
6146 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
6147 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
6148 datarefs. Add new field ddrs.
6149 Add macros for the new fields access.
6150 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
6151 base_aligned_p, misalignment, memtag, ptr_info and subvars.
6152 Remove their macros.
6153 * tree.h (highest_pow2_factor): Declare.
6155 2005-07-25 Jakub Jelinek <jakub@redhat.com>
6157 * calls.c (store_one_arg): Check for sibling call MEM arguments
6158 from already clobbered incoming argument area.
6160 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6162 * c-common.c (check_missing_format_attribute): New.
6163 * c-common.h (check_missing_format_attribute): Likewise.
6164 * c-typeck.c (convert_for_assignment): Use it.
6166 2005-07-24 Andreas Schwab <schwab@suse.de>
6168 * config/m68k/m68k.md ("extendqidi2"): When source is an address
6169 register use a word move. Correct operand of ext.w in 68000 code.
6171 2005-07-23 Mark Mitchell <mark@codesourcery.com>
6173 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
6174 variables as declarations, rather than definitions.
6176 2005-07-24 Ira Rosen <irar@il.ibm.com>
6178 PR tree-optimization/22526
6179 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
6182 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6184 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
6185 that C99 reserve for future use. Use it to define clog10,
6186 clog10f and clog10l.
6188 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6190 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
6191 * configure.ac: Check for -Wmissing-format-attribute.
6193 * configure: Regenerate.
6195 2005-07-23 Richard Henderson <rth@redhat.com>
6197 PR tree-optimization/22623
6198 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
6200 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
6203 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
6205 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6207 * Makefile.in (C_TREE_H): Update dependencies.
6208 * c-tree.h: Include toplev.h.
6209 * diagnostic.h (diagnostic_set_info): Add format attribute.
6210 * rtl-error.c (diagnostic_for_asm): Likewise.
6212 2005-07-23 Chao-ying Fu <fu@mips.com>
6214 * config/mips/mips-dsp.md: New file.
6215 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
6216 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
6218 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
6219 MIPS_BUILTIN_BPOSGE32.
6220 (mips_expand_builtin_direct): Add one parameter to indicate that
6221 builtin functions need to return a value.
6222 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
6224 (mips_regno_to_class): Add classes for 12 new DSP registers.
6225 (mips_subword): Change to check four HI registers.
6226 (mips_output_move): Output move to and from 6 new DSP accumulators.
6227 (override_options): Make sure -mdsp and -mips16 are not used together.
6228 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
6230 (mips_conditional_register_usage): Disable 6 new DSP accumulators
6232 (print_operand): Add 'q' for printing DSP accumulators.
6233 (mips_cannot_change_mode_class): Check ACC_REGS.
6234 (mips_secondary_reload_class): Check ACC_REGS.
6235 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
6236 (mips_register_move_cost): Check ACC_REGS.
6237 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
6238 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
6239 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
6240 (dsp_bdesc): New array.
6241 (bdesc_arrays): Add DSP builtin function table.
6242 (mips_prepare_builtin_arg): Check predicate again after
6244 (mips_expand_builtin): Add one more parameter to
6245 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
6246 MIPS_BUILTIN_BPOSGE32.
6247 (mips_init_builtins): Initialize new function types.
6248 (mips_expand_builtin_direct): Check if builtin functions need to
6249 return a value and pass operands properly.
6250 (mips_expand_builtin_bposge): New function.
6251 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
6252 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
6253 (FIRST_PSEUDO_REGISTER): Increase to 188.
6254 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6255 Update for 12 new DSP registers.
6256 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
6257 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
6258 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
6259 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
6260 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
6261 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
6262 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
6263 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
6264 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
6265 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
6266 (REGISTER_NAMES): Add names for 12 new DSP registers.
6267 * config/mips/mips.md: Include mips-dsp.md.
6268 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
6269 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
6270 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
6271 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
6272 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
6273 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
6274 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
6275 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
6276 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
6277 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
6278 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
6279 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
6280 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
6281 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
6282 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
6283 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
6284 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
6285 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
6286 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
6287 (UNSPEC_RDDSP): New constants.
6288 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
6289 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
6291 * config/mips/mips.opt (-mdsp): New option.
6292 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
6293 (reg_imm10_operand): New predicates.
6294 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
6295 * doc/invoke.texi (-mdsp): Document new option.
6297 2005-07-22 DJ Delorie <dj@redhat.com>
6299 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
6301 * tree-inline.c (inlinable_function_p): Likewise.
6303 2005-07-22 Mark Mitchell <mark@codesourcery.com>
6306 * toplev.c (check_global_declarations): Do not mark undefined
6307 variables as DECL_IGNORED_P.
6308 * varasm.c (first_global_object_name): GTY it.
6309 (weak_global_object_name): Likewise.
6310 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
6311 a string to go into {weak,first}_global_object_name.
6313 2005-07-22 DJ Delorie <dj@redhat.com>
6315 * c-format.c (check_function_format): Change warning control
6316 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
6318 2005-07-22 Diego Novillo <dnovillo@redhat.com>
6320 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
6321 &PTR->FLD a dereference of PTR.
6322 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
6323 a potential dereference of PTR.
6325 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
6327 PR rtl-optimization/20370
6328 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
6329 call allocate_reg_info if necessary.
6331 PR rtl-optimization/21848
6332 * calls.c (emit_library_call_value_1): For const functions, add
6333 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
6335 PR rtl-optimization/22445
6336 * cselib.c (target.h): Include.
6337 (rtx_equal_for_cselib_p): Allow commutative matches.
6338 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
6339 Remove MODE parameter. Changed all callers.
6341 PR rtl-optimization/22258
6342 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
6344 (try_combine): Use likely_spilled_retval_p.
6346 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
6348 * config.gcc: Add crx-elf support.
6350 * doc/contrib.texi: Mention crx.
6351 * doc/extend.texi: Document crx extensions.
6352 * doc/install.texi: Document crx install.
6353 * doc/invoke.texi: Document crx options.
6354 * doc/md.texi: Document crx constraints.
6356 * config/crx/crx-protos.h: New file.
6357 * config/crx/crx.c: New file.
6358 * config/crx/crx.h: New file.
6359 * config/crx/crx.md: New file.
6360 * config/crx/crx.opt: New file.
6361 * config/crx/t-crx: New file.
6363 2005-07-22 Manfred Hollstein <mh@suse.com>
6365 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
6367 (int_add_graph_edge): Likewise.
6368 (collapse_nodes): Likewise.
6369 (process_unification_queue): Likewise.
6371 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6372 Laurent GUERBY <laurent@guerby.net>
6374 PR tree-optimization/22336
6375 * function.c (record_block_change): Check for
6376 cfun->ib_boundaries_block.
6378 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
6380 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
6381 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
6383 2005-07-21 DJ Delorie <dj@redhat.com>
6385 * toplev.c (warn_deprecated_use): Add warning control to warning
6387 * c-typeck.c (parser_build_binary_op): Likewise.
6388 (c_finish_if_stmt): Likewise.
6389 * c-common.c (check_function_sentinel): Likewise.
6390 (check_nonnull_arg): Likewise.
6392 2005-07-21 Richard Henderson <rth@redhat.com>
6395 * tree-complex.c (complex_ssa_name_components): New.
6396 (cvc_lookup): Allow entry not found.
6397 (create_components): Remove.
6398 (create_one_component_var, get_component_var): New.
6399 (get_component_ssa_name, set_component_ssa_name): New.
6400 (extract_component): Use get_component_ssa_name.
6401 (update_complex_components): Use set_component_ssa_name.
6402 (update_complex_components_on_edge): Likewise.
6403 (update_phi_components): Create new PHI nodes directly, instead
6404 of adding insns to edges.
6405 (tree_lower_complex): Allocate and free complex_variable_components
6406 and complex_ssa_name_components here.
6408 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
6410 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
6411 revert to returning false.
6413 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6416 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
6418 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6421 * config/i386/i386.md (cmpxf): Change operand constraints
6422 to "nonmemory_operand".
6424 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6426 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
6428 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6431 * fold-const.c (fold_build1): Add checksum for the operands.
6432 (fold_build2): Likewise.
6433 (fold_build3): Likewise.
6435 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6438 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
6440 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6442 * common.opt (-fforward-propagate): Committed by mistake,
6445 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6447 * reg-stack.c: Fix comment typo(s).
6448 * tree-ssa-operands.c: Likewise.
6449 * tree-vectorizer: Likewise.
6451 2005-07-21 Nick Clifton <nickc@redhat.com>
6453 * config/sh/symbian.c: Replace C++ style line comments with C
6454 style line comments.
6455 (symbian_add_attribute): Do not use a ? operator on the LHS of
6457 (sh_symbian_handle_dll_attribute): Change the type of the
6458 method vector to "VEC(tree,gc)*" and use vector accessor
6459 macros to walk over the elements.
6460 (symbian_export_vtable_and_rtti_p): Likewise.
6461 (symbian_class_needs_attribute_p): Likewise.
6463 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6466 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
6467 initialize targetm.resolve_overloaded_builtin here.
6468 (altivec_expand_overloaded_builtin): Make it non-static.
6469 * config/rs6000/rs6000-protos.h
6470 (altivec_expand_overloaded_builtin): New prototype.
6471 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
6472 targetm.resolve_overloaded_builtin here.
6473 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
6475 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6476 Zdenek Dvorak <dvorakz@suse.cz>
6478 PR tree-optimization/19210
6479 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
6481 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
6482 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
6483 rely on unproven assumptions.
6484 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
6485 * tree-flow.h (number_of_iterations_exit): Add final parameter.
6486 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
6487 to number_of_iterations_exit.
6488 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
6489 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
6490 * tree-ssa-loop-niter.c (find_loop_niter,
6491 estimate_numbers_of_iterations_loop): Likewise.
6492 (number_of_iterations_exit): Honor the new options.
6493 * doc/invoke.texi (Wunsafe-loop-optimizations,
6494 funsafe-loop-optimizations): Document them.
6496 2005-07-21 Richard Sandiford <richard@codesourcery.com>
6498 PR rtl-optimization/22167
6499 * gcse.c (hoist_code): Fix hoist_exprs[] check.
6501 2005-07-20 Adam Nemet <anemet@lnxw.com>
6503 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
6504 __do_global_dtors_aux longcall.
6506 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
6508 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
6509 (old_special_pred_table): Don't reference
6510 SPECIAL_MODE_PREDICATES.
6511 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
6512 * config/arc/arc.h: Don't mention PREDICATE_CODES.
6513 * config/sh/predicates.h: Don't mention
6514 SPECIAL_MODE_PREDICATES.
6515 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
6518 2005-07-20 DJ Delorie <dj@redhat.com>
6520 * config.gcc: Add m32c-elf support.
6522 * doc/contrib.texi: Mention m32c.
6523 * doc/extend.texi: Document m32c extensions.
6524 * doc/install.texi: Mention m32c.
6525 * doc/invoke.texi: Document m32c options.
6526 * doc/md.texi: Document m32c constraints.
6528 * config/m32c/addsub.md: New file.
6529 * config/m32c/bitops.md: New file.
6530 * config/m32c/cond.md: New file.
6531 * config/m32c/jump.md: New file.
6532 * config/m32c/m32c-lib1.S: New file.
6533 * config/m32c/m32c-lib2.c: New file.
6534 * config/m32c/m32c-modes.def: New file.
6535 * config/m32c/m32c-pragma.c: New file.
6536 * config/m32c/m32c-protos.h: New file.
6537 * config/m32c/m32c.abi: New file.
6538 * config/m32c/m32c.c: New file.
6539 * config/m32c/m32c.h: New file.
6540 * config/m32c/m32c.md: New file.
6541 * config/m32c/m32c.opt: New file.
6542 * config/m32c/minmax.md: New file.
6543 * config/m32c/mov.md: New file.
6544 * config/m32c/muldiv.md: New file.
6545 * config/m32c/predicates.md: New file.
6546 * config/m32c/prologue.md: New file.
6547 * config/m32c/shift.md: New file.
6548 * config/m32c/t-m32c: New file.
6550 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6552 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6553 (stack_protect_set, stack_protect_test): New expanders.
6554 (stack_protect_set_si, stack_protect_set_si_media,
6555 stack_protect_set_di_media, stack_protect_test_si,
6556 stack_protect_test_si_media, stack_protect_test_di_media):
6559 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
6561 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
6563 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
6565 * tree.h (tree_expr_nonzero_p): Export.
6566 * fold-const.c (tree_expr_nonzero_p): Likewise.
6567 Return true for CALL_EXPRs that are alloca calls.
6568 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
6570 * tree-flow.h (expr_computes_nonzero): Remove.
6571 * tree-vrp.c (expr_computes_nonzero): Remove.
6572 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
6573 (extract_range_from_unary_expr): Likewise.
6574 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
6575 tree_expr_nonzero_p.
6577 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
6579 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
6580 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
6581 extra arg "picreg" and use it instead of pic_offset_table_rtx.
6582 All callers changed.
6583 (frame_related_constant_load): New arg "related" which controls
6584 setting of RTX_FRAME_RELATED_P. All callers changed.
6585 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
6586 (bfin_expand_prologue): Add stack limit checking.
6587 * config/bfin/bfin.md (trapifcc): New pattern.
6589 * config/bfin/bfin.c: Include "langhooks.h".
6590 (def_builtin): Go through lang_hooks to call builtin_function.
6592 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
6593 * config/bfin/predicates.md (symbol_ref_operand): New.
6594 (call_insn_operand): Delete. All callers changed to use
6595 register_no_elim_operand.
6596 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
6598 (function_arg): Use it to generate the call's operand 2.
6599 (bfin_longcall_p): New function.
6600 (bfin_expand_call): Extra arg "cookie". All callers and declaration
6601 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
6602 determine if the address needs to be in a REG.
6603 (bfin_handle_longcall_attribute): New function.
6604 (bfin_attribute_table): Add "longcall" and "shortcall".
6605 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
6606 (CUMULATIVE_ARGS): New member call_cookie.
6607 (PREDICATE_CODES): Add symbol_ref_operand.
6608 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
6609 extra USE to the pattern.
6610 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
6611 New patterns, split off call_insn, sibcall_insn, call_value_insn and
6612 sibcall_value_insn; now the new patterns handle direct calls and the
6613 old ones indirect calls.
6614 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
6616 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
6618 * doc/trouble.texi: Update section on handling of empty loops.
6620 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
6622 * config.gcc: Remove support for sparc-*-openbsd*,
6623 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
6625 * config.host: Remove support for i860-*-sysv4* as a host.
6626 * config/i860/*, config/ip2k/*, config/ns32k/*,
6627 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
6628 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
6629 mention obsolete ports.
6631 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6633 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
6635 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
6636 of frame_pointer_rtx.
6637 (sh_expand_epilogue): Likewise.
6638 (sh_set_return_address): Likewise.
6639 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
6640 instead of FRAME_POINTER_REGNUM if needed. Add elimination
6641 offsets from FRAME_POINTER_REGNUM.
6642 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
6643 (sh_register_names): Add initializer for sfp.
6644 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
6645 (VALID_REGISTER_P): Likewise.
6646 (FIRST_PSEUDO_REGISTER): Update.
6647 (DWARF_FRAME_REGISTERS): Define.
6648 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
6649 (HARD_FRAME_POINTER_REGNUM): Define.
6650 (FRAME_POINTER_REGNUM): Redefine.
6651 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
6652 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
6653 from FRAME_POINTER_REGNUM.
6654 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
6655 FRAME_POINTER_REGNUM.
6656 (REG_CLASS_CONTENTS): Add sfp.
6657 (REG_ALLOC_ORDER): Likewise.
6658 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
6659 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
6660 of frame_pointer_rtx.
6661 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
6663 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
6665 * fold-const.c (tree_expr_nonnegative_p): Only return true for
6666 ABS_EXPR when flag_wrapv is false because of INT_MIN.
6667 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
6669 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
6672 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
6674 Make CONSTRUCTOR use VEC to store initializers.
6675 * c-common.c (complete_array_type): Update to cope with VEC in
6677 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
6678 (pp_c_constructor_elts): New function.
6679 * c-pretty-print.h (pp_c_constructor_elts): Declare.
6680 * c-typeck.c (build_function_call, build_c_cast, digest_init,
6681 struct constructor_stack, struct initializer_stack,
6682 constructor_elements, push_init_level, pop_init_level,
6683 add_pending_init, find_init_member, output_init_element): Update to
6684 cope with VEC in CONSTRUCTOR_ELTS.
6685 * coverage.c (build_fn_info_value, build_ctr_info_value,
6686 build_gcov_info): Likewise.
6687 * expr.c (categorize_ctor_elements_1, store_constructor,
6688 expand_expr_real_1): Likewise.
6689 * fold-const.c (fold_ternary): Likewise.
6690 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
6691 gimplify_init_constructor, gimplify_expr): Likewise.
6692 * tree-dump.c (dequeue_and_dump): Likewise.
6693 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
6695 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
6697 * tree-sra.c (generate_element_init_1): Likewise.
6698 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
6699 * tree-ssa-operands.c (get_expr_operands): Likewise.
6700 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
6701 * tree-vect-transform.c (vect_get_vec_def_for_operand):
6702 (get_initial_def_for_reduction): Likewise.
6703 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
6704 value handle in annotations.
6705 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
6706 tree_node_structure): Add support for constr_kind.
6707 (build_vector_from_ctor, build_constructor_single,
6708 build_constructor_from_list): New functions.
6709 (build_constructor): Update to take a VEC instead of a TREE_LIST.
6710 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
6711 Update to cope with VEC in CONSTRUCTOR_ELTS.
6712 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
6713 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
6714 CONSTRUCTOR_APPEND_ELT): New macros.
6715 (struct constructor_elt, struct tree_constructor): New data types.
6716 (union tree_node): Add tree_constructor field.
6717 * treestruct.def: Define TS_CONSTRUCTOR.
6718 * varasm.c (const_hash_1, compare_constant, copy_constant,
6719 compute_reloc_for_constant, output_addressed_constants,
6720 initializer_constant_valid_p, output_constant,
6721 array_size_for_constructor, output_constructor): Update to cope with
6722 VEC in CONSTRUCTOR_ELTS.
6723 * vec.h (VEC_empty, VEC_copy): New macros.
6725 2005-07-19 Devang Patel <dpatel@apple.com>
6727 * dbxout.c (dbxout_type): Check Objective-C++ lang.
6729 2005-07-19 Richard Henderson <rth@redhat.com>
6732 * gimplify.c (gimplify_expr): Use main variant type for the temp
6733 destination for a discarded volatile read.
6734 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
6735 casts between non-void types that change volatility.
6737 2005-07-15 DJ Delorie <dj@redhat.com>
6739 * toplev.h: Add comment about the first parameter for warning().
6740 * errors.h: Likewise.
6742 * c.opt (Wpragmas): New.
6743 * doc/invoke.texi: Document it.
6745 * function.c (do_warn_unused_parameter): Add warning control to
6747 * c-decl.c (warn_if_shadowing): Likewise.
6748 * c-lex.c (cb_def_pragma): Likewise.
6749 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
6750 (pop_alignment): Likewise.
6751 (handle_pragma_pack): Likewise.
6752 (apply_pragma_weak): Likewise.
6753 (handle_pragma_weak): Likewise.
6754 (handle_pragma_redefine_extname): Likewise.
6755 (add_to_renaming_pragma_list): Likewise.
6756 (handle_pragma_extern_prefix): Likewise.
6757 (maybe_apply_renaming_pragma): Likewise.
6758 (handle_pragma_visibility): Likewise.
6760 * config/c4x/c4x-c.c (BAD): Likewise.
6761 (c4x_parse_pragma): Likewise.
6762 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
6763 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
6764 (rs6000_pragma_longcall): Likewise.
6765 * config/v850/v850-c.c (pop_data_area): Likewise.
6766 (ghs_pragma_section): Likewise.
6767 (ghs_pragma_section): Likewise.
6768 (ghs_pragma_interrupt): Likewise.
6769 (ghs_pragma_starttda): Likewise.
6770 (ghs_pragma_startsda): Likewise.
6771 (ghs_pragma_startzda): Likewise.
6772 (ghs_pragma_endtda): Likewise.
6773 (ghs_pragma_endsda): Likewise.
6774 (ghs_pragma_endzda): Likewise.
6776 2005-07-19 Danny Berlin <dberlin@dberlin.org>
6777 Kenneth Zadeck <zadeck@naturalbridge.com>
6779 * Makefile.in: Removed tree-promote-statics.c
6780 * tree-promote-statics.c: Removed.
6781 * common.opt: Removed flag-promote-statics.
6783 * passes.c: Removed tree-promote-statics pass.
6784 * tree-pass.h: Ditto.
6785 * timevar.def: Removed TV_PROMOTE_STATICS.
6788 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
6790 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
6792 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
6794 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6797 * c-common.c (check_function_arguments): Call
6798 'check_function_format' if either -Wformat or
6799 -Wmissing-format-attribute are specified.
6800 * c-format.c (check_function_format): Check -Wformat before
6801 calling 'check_format_info'.
6802 * c-opts.c (c_common_post_options): Don't warn for
6803 -Wmissing-format-attribute without -Wformat.
6804 * c-typeck.c (convert_for_assignment): Detect additional cases for
6805 -Wmissing-format-attribute.
6806 * doc/invoke.texi (-Wmissing-format-attribute): Document new
6809 2005-07-19 Richard Guenther <rguenther@suse.de>
6811 * config/i386/i386.md (lrint<mode>2): Use temporary
6812 instead of clobbering non-existent memory.
6814 2005-07-19 Nick Clifton <nickc@redhat.com>
6816 * config/avr/avr.c (legitimate_address_p): Fix debugging print
6817 statement to avoid displaying ASCII control characters.
6819 2005-07-19 Ben Elliston <bje@au.ibm.com>
6821 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
6822 * cfganal.c (find_edge_index): Ditto.
6823 * combine.c (combine_instructions): Ditto.
6824 * ddg.c (create_scc): Ditto.
6825 (find_successors): Ditto.
6826 (find_predecessors): Ditto.
6827 (find_nodes_on_paths): Ditto.
6828 (longest_simple_path): Ditto.
6829 * flow.c (update_life_info): Ditto.
6830 (count_or_remove_death_notes): Ditto.
6831 (clear_log_links): Ditto.
6832 * modulo-sched.c (generate_reg_moves): Ditto.
6833 (find_max_asap): Ditto.
6834 (find_max_hv_min_mob): Ditto.
6835 (find_max_dv_min_mob): Ditto.
6836 * sbitmap.c (sbitmap_first_set_bit): Ditto.
6837 * sched-rgn.c (extract_edgelst): Ditto.
6838 * tree-into-ssa.c (prepare_names_to_update): Ditto.
6839 (dump_update_ssa): Ditto.
6840 (ssa_names_to_replace) Ditto.
6841 (switch_virtuals_to_full_rewrite): Ditto.
6842 (update_ssa): Ditto.
6843 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
6845 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
6847 Fix PR tree-optimization/22483
6849 * tree-complex.c (create_components): Use
6850 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
6851 * tree-flow-inline.h (fill_referenced_var_vec): New function.
6852 * tree-flow.h (safe_referenced_var_iterator): New structure.
6853 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
6854 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
6855 safe_referenced_var iterator.
6856 (add_type_alias): Ditto.
6858 2005-07-19 Steven Bosscher <stevenb@suse.de>
6860 * loop-init.c (rest_of_handle_loop2): Remove.
6861 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
6862 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
6863 (pass_rtl_loop_init, pass_rtl_loop_done,
6864 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
6865 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
6866 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
6867 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
6868 pass_tree_loop_done, and pass_tree_unswitch.
6869 (gate_loop): Rename to gate_tree_loop.
6870 * passes.c (init_optimization_passes): Update for renamed tree
6871 loop passes. Add the new loop2 passes as subpasses of loop2.
6872 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
6873 Update for the renamed tree loop passes.
6875 2005-07-18 Ian Lance Taylor <ian@airs.com>
6878 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
6879 blocks when optimizing.
6881 2005-07-18 Steve Ellcey <sje@cup.hp.com>
6883 * common.opt (frename-registers): Initialize to 2.
6885 (fgcse-after-reload): Ditto.
6886 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
6887 (process_options): Only change flag_web, flag_rename_registers,
6888 and flag_rerun_cse_after_loop if not explicitly set by user.
6890 2005-07-18 Jan Beulich <jbeulich@novell.com>
6892 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
6893 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
6894 in 64-bit mode the same as DImode in 32-bit mode.
6895 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
6896 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
6897 mode. Add new mode parameter.
6898 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
6899 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
6900 x86_64_shift_adj): New expanders.
6901 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
6902 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
6904 Respective new splitters. Use renamed shift splitter helpers in 32-bit
6905 DImode shift splitters.
6906 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
6907 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
6910 2005-07-18 Jan Beulich <jbeulich@novell.com>
6912 * i386.md (movdi_extzv_1): New.
6913 (zero_extendhidi2): Combine alternatives and never force use of
6915 (zero_extendqidi2): Likewise. Don't restrict input selection.
6917 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6919 Fix PR tree-optimization/22531
6920 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
6923 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6925 * tree-promote-statics.c (pass_promote_statics): Change dump file
6928 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6930 * tree-optimize.c (init_tree_optimization_passes): Add
6931 pass_eliminate_useless_stores pass.
6932 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
6933 * tree-ssa-pre.c (is_copy_stmt): New function.
6934 (follow_copies_till_vuse): Ditto.
6935 (do_eustores): Ditto.
6936 (gate_eustores): Ditto.
6938 2005-07-16 Richard Henderson <rth@redhat.com>
6940 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
6942 2005-07-16 Danny Berlin <dberlin@dberlin.org>
6943 Kenneth Zadeck <zadeck@naturalbridge.com>
6945 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
6946 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
6947 ipa-type-escape.h, tree-promote-statics.c
6948 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
6949 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
6950 tree-promote-statics.c: new files.
6951 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
6952 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
6953 int nonlocal_set_p, mark_constant_function): Deleted.
6954 (rest_of_handle_cfg): Removed call to mark_constant_function.
6955 (nonoverlapping_component_refs_p): Added calls to support
6956 type based aliasing.
6957 * tree-ssa-alias.c (may_alias_p,
6958 compute_flow_insensitive_aliasing): Ditto.
6959 * calls.c (flags_from_decl_or_type): Removed reference to
6961 * c-typeck.c (convert_arguments): Make builtins tolerant of having
6962 too many arguments. This is necessary for Spec 2000.
6963 * cgraph.h (const_function, pure_function): Removed.
6964 * common.opt: Added "fipa-pure-const", "fipa-reference",
6965 "fipa-type-escape", and "ftree-promote-static".
6967 * passes.c: Added ipa and tree-promote-statics passes.
6968 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
6969 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
6970 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
6971 * tree-flow.h: Added exposed sra calls and addition of
6972 reference_vars_info field for FUNCTION_DECLS.
6973 * tree-pass.h: Added passes.
6974 * tree-sra.c: (sra_init_cache): New function.
6975 (sra_insert_before, sra_insert_after) Made public.
6976 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
6978 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
6979 aliasing. (may_alias_p): Added code to use type escape analysis to
6981 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
6982 code to prune clobbers of static variables based on information
6983 produced in ipa-reference pass. Changed call clobbering so that
6984 statics are not marked as clobbered if the call does not clobber
6987 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
6989 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
6992 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6994 * doc/install.texi (*-*-solaris2*): Document recommended version
6995 of GNU binutils and mention GNU linker problem on Solaris 10.
6997 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
7000 * c-decl.c (c_build_bitfield_integer_type): New function.
7001 (finish_struct): Call it.
7002 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
7004 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7006 * c-typeck.c (digest_init): Call 'convert_for_assignment'
7009 2005-07-16 Jan Hubicka <jh@suse.cz>
7011 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
7012 (scale_bbs_frequencies_int): Watch roundoff errors.
7013 * predict.c (return_prediction): Initialize return_stmt.
7015 2005-07-16 Jan Hubicka <jh@suse.cz>
7017 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
7018 after RTL profiling.
7020 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
7023 * fold-const.c (build_range_check): Convert high/low to etype
7024 if we are only comparing against exp.
7026 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
7028 Fix PR tree-optimization/22376
7029 * tree-ssa-structalias.c (build_constraint_graph): We really meant
7031 (need_to_solve): New function.
7032 (compute_points_to_sets): Use it.
7034 2005-07-15 Jan Hubicka <jh@suse.cz>
7036 * cfg.c (update_bb_profile_for_threading): More diagnostic.
7037 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
7039 2005-07-15 Richard Guenther <rguenther@suse.de>
7041 * c-common.c (handle_flatten_attribute): New function.
7042 Add flatten function attribute.
7043 * doc/extend.texi: Document flatten function attribute.
7044 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
7045 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
7047 (cgraph_decide_inlining): Handle functions with flatten
7050 2005-07-14 David Edelsohn <edelsohn@gnu.org>
7052 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
7053 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
7054 UNSPEC_XCHG, UNSPEC_AND): New.
7055 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
7056 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
7057 * config/rs6000/sync.md (FETCHOP): New code macro.
7058 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
7060 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
7061 (sync_compare_and_swap<mode>): Same.
7062 (sync_lock_test_and_set<mode>): Same.
7063 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
7064 for QImode and HImode, and not PPC405.
7065 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
7066 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
7067 (sync_<fetchop>{si,di}_internal): New.
7068 (sync_nand{si,di}_internal): New.
7069 (sync_old_<fetchop>{si,di}_internal): New.
7070 (sync_old_nand{si,di}_internal): New
7071 (sync_new_<fetchop>{si,di}_internal): New.
7072 (sync_new_nand{si,di}_internal): New.
7073 (atomic_and{si,di}): New.
7074 (sync_new_nand{si,di}_internal): New.
7075 (atomic_and{si,di}): New.
7076 (sync_add<mode>_internal): Delete.
7077 (sync_addshort_internal): Use unspec instead of unspec_volatile.
7078 (sync_sub<mode>_internal): Delte.
7079 (sync_subshort_internal): New.
7080 (sync_andsi_internal): Use unspec instead of unspec_volatile.
7081 (sync_anddi_internal): Delete.
7082 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
7083 (sync_booldi_internal): Delete.
7084 (sync_boolc<mode>_internal): Delete.
7085 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
7086 (sync_boolc<mode>_internal2): Delete.
7087 (sync_boolcc<mode>_internal): Delete.
7088 (isync, lwsync): Use unspec instead of unspec_volatile.
7089 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
7090 Revert UNSPEC_VOLATILE.
7091 (rs6000_split_atomic_op): New.
7092 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
7094 2005-07-14 Eric Christopher <echristo@redhat.com>
7096 * config/mips/mips.c (mips_canonicalize_comparison): Cast
7097 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
7099 2005-07-14 Eric Christopher <echristo@redhat.com>
7101 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
7103 2005-07-14 Steven Bosscher <stevenb@suse.de>
7105 PR tree-optimization/22230
7106 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
7107 the computation of the four cross productions for "range op range".
7109 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
7110 Ulrich Weigand <uweigand@de.ibm.com>
7113 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
7116 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7118 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
7120 2005-07-14 Steve Ellcey <sje@cup.hp.com>
7122 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
7124 2005-07-14 Richard Guenther <rguenther@suse.de>
7127 * config/i386/i386-protos.h (ix86_function_value): Change
7128 prototype to match new target hook.
7129 * config/i386/i386.c (ix86_value_regno): Change prototype
7130 to take extra type argument.
7131 (TARGET_FUNCTION_VALUE): Define.
7132 (ix86_function_ok_for_sibcall): Pass extra argument to
7133 ix86_value_regno, check return slot rtx for exact match.
7134 (ix86_function_value): Take extra parameter. Dispatch to
7135 ix86_value_regno with fndecl/fntype as provided.
7136 (ix86_value_regno): Handle extra type argument.
7137 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
7139 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
7140 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
7141 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
7142 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
7143 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
7145 2005-07-14 Richard Guenther <rguenther@suse.de>
7147 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
7148 * calls.c (expand_call): Pass fntype to hard_function_value.
7149 (emit_library_call_value_1): Likewise.
7150 * explow.c: Include target.h.
7151 (hard_function_value): Take extra argument, the fntype.
7152 Use new target hook for function_value.
7153 * expr.h (hard_function_value): Change prototype.
7154 * function.c (aggregate_value_p): Pass 0 as fntype to
7155 hard_function_value.
7156 (assign_parms): Use new target hook for function_value.
7157 Pass 0 as fntype to hard_function_value.
7158 (expand_function_end): Likewise.
7159 * reg-stack.c: Include target.h.
7160 (stack_result): Use new target hook for function_value.
7161 * target-def.h: New target hook function_value.
7162 * target.h: Likewise.
7163 * targhooks.c (default_function_value): New function.
7164 * targhooks.h (default_function_value): Declare.
7166 2005-07-13 Ian Lance Taylor <ian@airs.com>
7168 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7170 2005-07-14 Jan Hubicka <jh@suse.cz>
7172 * tree-dfa.c (dump_variable): Use default_def function.
7173 * tree-ssa-alias.c (dump_points_to_info): Likewise.
7174 * tree-ssa.c (verify_use): Likewise.
7175 * tree-ssanames.c (release_ssa_name): Likewise.
7176 * tree-tailcall.c (eliminate_tail_call): Likewise.
7177 (tree_optimize_tail_calls_1): Likewise.
7178 * tree-vrp.c (get_value_range): Likewise.
7180 2005-07-14 Ben Elliston <bje@au.ibm.com>
7182 * gcc.c (main): Compare language[0] with '*' when iterating over
7185 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7187 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
7188 "s390_emit_compare". Add handling of CCZ1mode.
7189 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
7190 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
7192 (s390_branch_condition_mask): Add CCZ1mode handling.
7193 * config/s390/s390.md: ("seq", "*seq"): New pattern.
7194 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
7195 Use CCZ1mode instead of CCZmode.
7196 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
7198 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7200 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
7202 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
7204 2005-07-13 Eric Christopher <echristo@redhat.com>
7206 * config/mips/mips.c (mips_canonicalize_comparison): New.
7207 (mips_emit_int_relational): Use.
7209 2005-07-13 Eric Christopher <echristo@redhat.com>
7211 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7213 * config/s390/s390.md: Include tpf.md. Move tpf specific
7215 * config/s390/tpf.md: To here.
7216 * config/s390/s390.opt: Move tpf specific options...
7217 * config/s390/tpf.opt: to here. Add mmain option.
7218 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7219 * config/s390/tpf.h: Rewrite.
7221 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7223 * doc/tm.texi: Remove @xref{Cross-profiling}.
7225 2005-07-13 Jeff Law <law@redhat.com>
7227 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
7228 expressions, test their _DECL operands for pointer equality rather
7229 than using operand_equal_p.
7231 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7233 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
7234 (TARGET_POSIX_IO): This.
7235 * config/darwin.h: Likewise.
7236 * config/freebsd.h: Likewise.
7237 * config/linux.h: Likewise.
7238 * config/lynx.h: Likewise.
7239 * config/netbsd.h: Likewise.
7240 * config/rs6000/linux64.h: Likewise.
7241 * config/rs6000/linux.h: Likewise.
7242 * config/s390/tpf.h: Likewise.
7243 * config/sh/embed-elf.h: Likewise.
7244 * config/sparc/linux64.h: Likewise.
7245 * config/sparc/linux.h: Likewise.
7246 * config/svr4.h: Likewise.
7247 * gcov-io.h: Likewise.
7249 * doc/tm.texi: Updated.
7251 * libgcov.c (create_file_directory): Defined only if
7252 TARGET_POSIX_IO is defined.
7253 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
7256 2005-07-13 Jan Hubicka <jh@suse.cz>
7258 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
7260 2005-07-13 David Edelsohn <edelsohn@gnu.org>
7262 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
7263 structure as argument.
7265 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
7267 PR tree-optimization/21921
7268 * tree-iterator.c (tsi_link_before): Support the case when
7269 tsi_end_p (tsi) == true.
7271 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7273 PR tree-optimization/22442
7274 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
7277 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7279 PR rtl-optimization/20376
7280 * toplev.c (process_options): Enable -fweb and -frename-registers when
7282 * doc/invoke.texi: Update the information about when -fweb and
7283 -frename-registers are enabled.
7285 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7288 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
7289 if *rhs_p is not a SSA_NAME.
7291 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
7293 Fix PR tree-optimization/22422
7294 * tree-ssa-structalias.c (struct variable_info): Add flag for
7296 (get_varinfo): Now a static function.
7297 (new_varinfo): init has_union and is_special_var to false.
7298 (solution_set_add): Check has_union.
7299 (do_da_constraint): Move temporary variable so it gets reset
7301 Also check for special variable.
7302 (do_ds_constraint): Ditto.
7303 (do_sd_constraint): Ditto.
7304 (do_structure_copy): Check for special variable.
7305 (find_func_aliases): Ditto.
7306 (init_base_vars): Set special vars properly.
7308 2005-07-13 Jan Hubicka <jh@suse.cz>
7310 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
7313 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
7314 (get_expr_operands): Fix thinko wrt flags and subvars.
7316 PR tree-optimize/22379
7317 * tree-inline.c (expand_call_inline): Do not output sorry in early
7320 2005-07-12 Dale Johannesen <dalej@apple.com>
7322 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
7324 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7327 * host-linux.h: Include limits.h.
7329 2005-07-12 Dale Johannesen <dalej@apple.com>
7331 * expr.c (compress_float_constant): Add cost check.
7332 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
7334 2005-07-12 Dale Johannesen <dalej@apple.com>
7336 * gcc.target/i386/compress-float-sse.c: New.
7337 * gcc.target/i386/compress-float-sse-pic.c: New.
7338 * gcc.target/i386/compress-float-387.c: New.
7339 * gcc.target/i386/compress-float-387-pic.c: New.
7340 * gcc.dg/compress-float-ppc.c: New.
7341 * gcc.dg/compress-float-ppc-pic.c: New.
7343 2005-07-12 Eric Christopher <echristo@redhat.com>
7345 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7347 * config/s390/s390.md: Include tpf.md. Move tpf specific
7349 * config/s390/tpf.md: To here.
7350 * config/s390/s390.opt: Move tpf specific options...
7351 * config/s390/tpf.opt: to here. Add mmain option.
7352 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7353 * config/s390/tpf.h: Rewrite.
7355 2005-07-12 Eric Christopher <echristo@redhat.com>
7357 * gcc.c (struct infile): Update comment for language.
7358 (main): Rewrite input file resetting code.
7360 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7363 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
7364 requiring a cast in a non RHS of modify_expr. Add a cast when required.
7365 (lookup_avail_expr): Use constant_boolean_node instead
7366 of boolean_false_node/boolean_true_node.
7368 2005-07-12 Ben Elliston <bje@au.ibm.com>
7370 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
7371 and use it when printing num_edges.
7373 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
7375 * doc/extend.texi (Blackfin Built-in Functions): New section.
7376 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
7379 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
7381 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
7382 s/cmpstrsi/cmpstrnsi
7383 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
7385 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
7386 (init_optabs): Initialize cmpstrn_optab.
7387 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
7388 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
7389 * expr.c: (enum insn_code cmpstrn_optab): Declare.
7390 * config/i386/i386.md: s/cmpstr/cmpstrn
7391 * config/c4x/c4x.md: s/cmpstr/cmpstrn
7392 * doc/md.texi: Update documentation.
7394 2005-07-11 Richard Henderson <rth@redhat.com>
7396 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
7397 build_va_arg_indirect_ref.
7398 (alpha_gimplify_va_arg): Likewise.
7399 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7400 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7401 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
7402 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7403 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7404 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
7406 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7408 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7410 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
7411 * passes.c (init_optimization_passes): Add pass_empty_loop.
7412 * tree-pass.h (pass_empty_loop): Declare.
7413 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
7414 try_remove_empty_loop, remove_empty_loops): New functions.
7415 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
7416 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
7418 2005-07-12 Peter Barada <peter@the-baradas.com>
7422 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
7423 in address registers.
7424 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
7425 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
7426 alternative of addsi3_5200.
7428 2005-07-11 Ian Lance Taylor <ian@airs.com>
7430 * config/mips/mips.md (ffs<mode>2): Remove.
7432 2005-07-11 Ian Lance Taylor <ian@airs.com>
7434 * doc/tree-ssa.texi (Cleanups): Improve description of
7436 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
7438 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7440 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
7441 * tree.h (DECL_ARGUMENT_FLD): New macro.
7443 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7445 Fix PR tree-optimization/22404
7447 * tree-ssa-structalias.c (create_variable_info_for): Use
7450 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
7452 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
7453 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
7454 for second comparison operand.
7455 * config/bfin/predicates.md (reg_or_const_int_operand): New.
7457 * config/bfin/bfin.md (define_attr "type"): Add "sync".
7458 (define_insn_reservation "alu"): Likewise.
7459 (csync, ssync): Now of type sync.
7460 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
7461 -mcsync-anomaly -mspecld-anomaly.
7462 * config/bfin/bfin.opt (mcsync): Remove.
7463 (mcsync-anomaly, mspecld-anomaly): Add.
7464 * config/bfin/bfin.c: Include "insn-codes.h".
7465 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
7466 (TARGET_DEFAULT_TARGET_FLAGS): New.
7467 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
7469 2005-07-11 Steven Bosscher <stevenb@suse.de>
7471 * basic-block.h: Give the BB flags enum a name, bb_flags.
7472 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
7473 * cfgcleanup.c (enum bb_flags): Remove here.
7474 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
7475 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
7476 (update_forwarder_flag): Likewise.
7477 (thread_jump): Likewise.
7478 (try_forward_edges): Likewise.
7479 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
7480 forwarder flags. Don't clear bb->aux for all basic blocks. Only
7481 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
7483 2005-07-11 Richard Guenther <rguenther@suse.de>
7485 * config/i386/i386.opt: New target option -msseregparm.
7486 * config/i386/i386.c (override_options): Error out for
7487 -msseregparm but no SSE support.
7488 (ix86_function_sseregparm): Check for global sseregparm.
7489 * doc/invoke.texi: Document -msseregparm.
7491 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7493 * config.gcc (m32r-*-linux*): Use the default extra_parts.
7494 (m32rle-*-linux*): Ditto.
7496 2005-07-11 Jakub Jelinek <jakub@redhat.com>
7498 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
7499 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
7502 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7506 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
7507 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
7509 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
7511 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
7512 (varmap): Heapify varmap.
7513 (constraints): Heapify constraints.
7514 (struct constraint_graph): Heapify succs and preds.
7515 (constraint_vec_find): Update for heapification.
7516 (constraint_set_union): Ditto.
7517 (insert_into_complex): Ditto.
7518 (constraint_edge_vec_find): Ditto.
7519 (erase_graph_self_edge): Ditto.
7520 (add_graph_edge): Ditto.
7521 (get_graph_weights): Ditto.
7522 (merge_graph_nodes): Ditto.
7523 (build_constraint_graph): Ditto.
7524 (topo_visit): Ditto.
7525 (solve_graph): Ditto.
7526 (create_variable_info_for): Ditto.
7527 (init_base_vars): Ditto.
7528 (delete_points_to_sets): Free graph, varmap, and complex constraints.
7529 (condese_varmap_nodes): Free complex vector.
7530 (clear_edges_for_node): Clear succs and preds vector.
7532 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7534 * tree-ssa-structalias.c (update_alias_info): Change counting of
7535 references to not include vdefs.
7537 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7539 * tree-ssa-alias.c (free_used_part_map): Add missing free.
7542 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7544 * pa.c (pa_commutative_p): Make PLUS commutative when
7545 TARGET_NO_SPACE_REGS is true.
7547 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7549 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
7550 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
7551 * tree-dfa.c (dump_subvars_for): New.
7552 (debug_subvars_for): New.
7553 (dump_variable): Show subvariables if VAR has them.
7554 * tree-flow-inline.h (get_subvar_at): New.
7555 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
7556 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
7558 (struct subvar): Change fields offset and size to unsigned
7560 (dump_subvars_for): Declare.
7561 (debug_subvars_for): Declare.
7562 (get_subvar_at): Declare.
7563 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
7564 to unsigned HOST_WIDE_INT *.
7565 (overlap_subvar): Likewise.
7566 * tree-gimple.c (is_gimple_reg): Always return false for
7567 SFTs and memory tags.
7568 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
7570 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
7571 (compute_may_aliases): Call compute_points_to_sets.
7572 (collect_points_to_info_for): Remove.
7573 (compute_points_to_and_addr_escape): Remove.
7574 (delete_alias_info): Call delete_points_to_sets.
7575 (compute_flow_sensitive_aliasing): If the call to
7576 find_what_p_points_to returns false, call set_pt_anything.
7577 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
7578 (set_pt_anything): Clear pi->pt_vars.
7579 (set_pt_malloc): Remove.
7580 (merge_pointed_to_info): Remove.
7581 (add_pointed_to_expr): Remove.
7582 (add_pointed_to_var): Remove.
7583 (collect_points_to_info_r): Remove.
7584 (is_escape_site): Make extern.
7586 (create_overlap_variables_for): Call it.
7587 * tree-ssa-copy.c (merge_alias_info): Never merge
7588 flow-sensitive alias information.
7589 * tree-ssa-operands.c (get_expr_operands): Adjust variables
7590 offset and size to be unsigned HOST_WIDE_INT.
7591 (add_to_addressable_set): Rename from note_addressable.
7592 Set TREE_ADDRESSABLE as the variables are added to the set.
7594 (add_stmt_operand): Do not try to micro-optimize unmodifiable
7595 operands into VUSEs when adding V_MAY_DEFs for members in an
7597 * tree-ssa-operands.h (add_to_addressable_set): Declare.
7598 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
7599 (struct variable_info): Add bitfield is_heap_var.
7600 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
7601 (new_var_info): Initialize is_heap_var.
7602 (get_constraint_for): Add HEAP variables to the symbol table.
7603 Mark them with is_heap_var.
7604 (update_alias_info): New. Taken mostly from the old
7605 compute_points_to_and_addr_escape.
7606 (handle_ptr_arith): New.
7607 (find_func_aliases): Call update_alias_info.
7608 Call handle_ptr_info for tcc_binary expressions.
7609 Call mark_stmt_modified.
7610 (create_variable_info_for): If DECL has subvars, do not create
7611 variables for its subvars. Always add all the fields.
7612 (set_uids_in_ptset): If the solution includes ANYOFFSET and
7613 SFTs, then add all the SFTs of the structure.
7614 If VI->DECL is an aggregate with subvariables, add the SFT at
7616 (find_what_p_points_to): If VI is an artificial variable,
7617 translate to bitfields in SSA_NAME_PTR_INFO.
7618 If the solution is empty, set pi->pt_vars to NULL
7619 (init_base_vars): Create ANYOFFSET.
7620 (compute_points_to_sets): Rename from create_alias_vars.
7622 (pass_build_pta): Remove.
7623 (delete_points_to_sets): Rename from delete_alias_vars.
7624 (pass_del_pta): Remove.
7625 * tree-ssa-structalias.h (struct alias_info): Move from
7627 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
7628 NUM_REFERENCES_SET): Likewise.
7629 (compute_points_to_sets, delete_points_to_sets): Declare.
7631 2005-07-09 Richard Henderson <rth@redhat.com>
7633 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
7634 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
7635 alpha_split_lock_test_and_set_12): New functions.
7636 * config/alpha/alpha-protos.h: Update.
7637 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
7638 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
7639 * config/alpha/sync.md (I12MODE): New.
7640 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
7641 (sync_<fetchop_name><I48MODE>): Likewise.
7642 (sync_nand<I48MODE>): Likewise.
7643 (sync_old_<fetchop_name><I48MODE>): Likewise.
7644 (sync_new_<fetchop_name><I48MODE>): Likewise.
7645 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
7646 (sync_compare_and_swap<I48MODE>): Likewise.
7647 (sync_lock_test_and_set<I48MODE>): Likewise.
7648 (sync_compare_and_swap<I12MODE>): New.
7649 (sync_compare_and_swap<I12MODE>_1): New.
7650 (sync_lock_test_and_set<I12MODE>): New.
7651 (sync_lock_test_and_set<I12MODE>_1): New.
7653 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7657 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
7659 2005-07-09 Jakub Jelinek <jakub@redhat.com>
7661 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
7662 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
7664 2005-07-09 Richard SAndiford <richard@codesourcery.com>
7667 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7669 2005-07-08 David Edelsohn <edelsohn@gnu.org>
7671 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
7672 memory_operand constraint.
7673 (store_conditional_<mode>): Same.
7674 (sync_compare_and_swap<mode>): Same.
7675 (sync_lock_test_and_set<mode>): Same.
7677 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
7679 Rewrite PIC support to more closely model actual instructions.
7680 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
7681 (cris_symbol): Remove prototypes for removed functions.
7682 (cris_pic_symbol_type_of, cris_valid_pic_const)
7683 (cris_expand_pic_call_address): Prototypes for new functions.
7684 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
7686 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
7688 <case ':'>: Add case for new punctuation character.
7689 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
7690 emitting (extra) PIC modifier.
7691 <case UNSPEC>: Do not assert for PLT.
7692 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
7693 (cris_expand_prologue, cris_expand_epilogue): Check
7694 for pic_offset_table_rtx usage instead of taking
7695 current_function_uses_pic_offset_table as the final word.
7696 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
7697 Remove flag_pic difference.
7698 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
7699 the moral equivalents of...
7700 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
7702 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
7703 (cris_handle_option): Mark ARG as unused.
7704 (cris_expand_pic_call_address): New worker function for "call",
7706 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
7707 output PIC constructs here.
7708 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
7709 as symbol-specific modifers, not whole or part of operands.
7710 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
7711 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
7712 constants and flag_pic.
7713 (CONSTANT_INDEX_P): Adjust for new functions.
7714 (enum cris_pic_symbol_type): New helper type.
7715 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
7716 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
7717 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
7719 ("movsi"): Emit actual instructions for GOT and relative access.
7720 ("*movsi_got_load"): New pattern to set up the register holding
7722 ("*movsi_internal"): Operand 1 is not a plain general_operand.
7723 Adjust FIXME for 'S'.
7724 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
7725 Use "movs" for -fpic cases.
7726 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
7727 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
7728 ("call", "call_value"): Just call cris_expand_pic_call_address for
7730 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
7731 Remove special pattern.
7732 ("*expanded_call_side", "*expanded_call_value_side"): New
7734 (gotplt-to-plt, gotplt-to-plt-side-call)
7735 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
7737 * config/cris/cris/predicates.md
7738 ("cris_general_operand_or_gotless_symbol"): Remove unused
7740 ("cris_general_operand_or_symbol"): Adjust for new functions.
7742 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7744 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
7746 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
7748 * Makefile.in (TREE_H): Add treestruct.def.
7749 (c-decl.o): Add pointer-set.h
7750 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
7751 visibility on regular DECL's.
7752 (merge_decls): Fix the copying of decl nodes of various types for
7753 the new structures. Don't update RTL, section name, weak status,
7754 etc, on DECL's without RTL.
7755 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
7756 Don't check volatile on non-variable types.
7757 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
7758 to check whether we have seen arguments.
7759 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
7760 flag is checked before field (flag is common, field is not).
7761 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
7762 TS_DECL_COMMON could have an origin.
7763 (add_location_or_const_value_attribute): Don't check section name
7764 on non-var/function decls.
7765 (dwarf2out_var_location): Reverse order of tests.
7766 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
7767 with DECL_WRTL_CHECK.
7768 * expmed.c (make_tree): rtl is now in decl_with_rtl.
7769 * fold-const.c (fold_binary): Don't check weakness on
7770 non-var/function decls.
7771 (tree_expr_nonzero_p): Ditto.
7772 (fold_checksum_tree): Use tree_decl_extra as sizeof
7774 * ggc-page.c (extra_order_size_table): Add sizes for
7775 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
7777 * gimplify.c (gimplify_bind_expr): Only set
7778 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
7779 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
7781 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
7782 * langhooks.h (init_ts). New langhook.
7783 * passes.c (rest_of_decl_compilation): Reverse order of tests.
7784 * print-tree.c (print_node): Update to only print fields that
7785 exist in the structures the passed decl has.
7786 * toplev.c (wrapup_global_declarations): Don't reset
7787 DECL_DEFER_OUTPUT on DECL's that don't contain it.
7788 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
7789 * tree-inline.c (remap_decl): Ditto.
7790 * tree-outof-ssa.c (create_temp): Reverse order of tests.
7791 * tree-pretty-print.c (print_declaration): Don't print
7792 DECL_REGISTER on things that don't contain it.
7793 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
7794 non-var/function decls.
7795 * tree.c (tree_contains_struct): New structure.
7796 (init_priority_for_decl): New hashtable.
7797 (tree_int_map): New structure.
7798 (tree_int_map_eq): New function.
7799 (tree_int_map_marked_p): Ditto.
7800 (tree_int_map_hash): Ditto.
7801 (tree_map): Move to tree.h.
7802 (tree_map_eq): Externalize.
7803 (tree_map_hash): Ditto.
7804 (tree_map_marked_p): Ditto.
7805 (init_ttree): Set up tree_contains_struct and call langhook.
7806 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
7807 (tree_code_size): Update for new structures.
7808 (tree_node_structure): Update for new structures.
7809 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
7811 (copy_node_stat): Copy init priority.
7812 (build_decl_stat): Ditto for visibility.
7813 (ts_enum_names): New.
7814 (tree_contains_struct_check_failed): New function.
7815 (decl_init_priority_lookup): Ditto.
7816 (decl_init_priority_insert): Ditto.
7817 * treestruct.def: New file.
7818 * tree.h (CODE_CONTAINS_STRUCT): New macro.
7819 (CONTAINS_STRUCT_CHECK): Ditto.
7820 (tree_contains_struct_check_failed): New prototype.
7821 (DECL_CHECK): Removed.
7822 (DECL_MINIMAL_CHECK): New.
7823 (DECL_COMMON_CHECK): Ditto.
7824 (DECL_WRTL_CHECK): Ditto.
7825 (DECL_NON_COMMON_CHECK): Ditto.
7826 (DECL_WITH_VIS_CHECK): Ditto.
7827 (VAR_OR_FUNCTION_DECL_P): Ditto
7828 (struct tree_decl_minimal): New structure.
7829 (struct tree_decl_common): Ditto.
7830 (struct tree_decl_with_rtl): Ditto.
7831 (struct tree_decl_with_vis): Ditto.
7832 (struct tree_decl_non_common): Ditto.
7833 (struct tree_field_decl): Ditto.
7834 (struct tree_parm_decl): Ditto.
7835 (struct tree_var_decl): Ditto.
7836 (struct tree_function_decl): Ditto.
7837 (struct tree_const_decl): Ditto.
7838 (struct tree_result_decl): Ditto.
7839 (union tree_node): Add new structures.
7840 * var-tracking.c (track_expr_p): Reverse order of tests.
7842 * doc/c-tree.texi: Add documentation on DECL node internal structure.
7844 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7846 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
7847 * system.h: Poison FINALIZE_PIC.
7848 * doc/tm.texi (FINALIZE_PIC): Remove.
7850 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7853 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
7854 to the correct type if we have a MODIFY_EXPR.
7856 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7858 PR tree-optimization/22360
7859 * tree.c (upper_bound_in_type): Fix calculations for casting
7860 to a non-wider signed type and casting a signed value to a
7861 wider unsigned type.
7862 (lower_bound_in_type): Fix calculations for casting to a
7863 non-wider signed type.
7865 PR tree-optimization/20139
7866 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
7868 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
7869 fold_cond_expr_cond.
7870 * tree-ssanames.c (release_defs): Assert in_ssa_p.
7871 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
7873 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7876 * tree-complex.c (expand_complex_libcall): Produce
7877 REALPART_EXPR/IMAGPART_EXPR with the correct type.
7879 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
7881 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
7882 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
7883 b" assert and inserted fastpath code for this case.
7884 (bitmap_ior): Removed "a != b" assert.
7886 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7888 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
7889 (ENDFILE_SPEC): Likewise.
7890 * config/m32r/m32r.h (ASM_SPEC): Likewise.
7892 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
7893 a large stack frame at epilogue.
7895 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
7897 * final.c: Include sdbout.h when required.
7899 2005-07-07 Geoffrey Keating <geoffk@apple.com>
7901 * config.gcc (*-*-darwin*): Only one target-specific header file
7903 (powerpc-*-darwin*): Add version-specific header files.
7904 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
7905 * config.in: Regenerate.
7906 * configure: Regenerate.
7907 * gcc.c: Include xregex.h.
7908 (version_compare_spec_function): New.
7909 (spec_function): Add version-compare.
7910 (replace_outfile_spec_function): Reformat comment.
7911 (compare_version_strings): New.
7912 * config/darwin-c.c (version_as_macro): New.
7913 (builtin_define): New.
7914 (darwin_cpp_builtins): New.
7915 * config/darwin-protos.h (darwin_cpp_builtins): New.
7916 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
7917 (LIB_SPEC): Make unconditional, update comment.
7918 (TARGET_C99_FUNCTIONS): Define.
7919 * config/darwin.opt: Sort.
7920 (mmacosx-version-min=): New.
7921 * config/darwin7.h: Delete.
7922 * config/darwin8.h: Delete.
7923 * config/i386/darwin.h (): Call darwin_cpp_builtins.
7924 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
7925 (TARGET_C99_FUNCTIONS): Define.
7926 * config/rs6000/darwin7.h: New.
7927 * config/rs6000/darwin8.h: New.
7928 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
7929 (-mmacosx-version-min): Document.
7931 2005-07-07 Ian Lance Taylor <ian@airs.com>
7933 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
7935 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
7938 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
7940 2005-07-07 Khem Raj <kraj@mvista.com>
7942 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
7943 in bytes, not words.
7945 2005-07-07 Paul Brook <paul@codesourcery.com>
7947 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
7948 DEFAULT_FUNCTION_ARG_PADDING to upward.
7950 2005-07-07 Richard Henderson <rth@redhat.com>
7952 * function.c (locate_and_pad_parm): Record parameter alignment in
7953 stack_alignment_needed.
7955 2005-07-07 David Edelsohn <edelsohn@gnu.org>
7957 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
7958 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
7959 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
7960 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
7961 (define_attr "type"): Add isync, sync, load_l, store_c.
7962 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
7963 Create scratch volatile MEM.
7964 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
7966 (load_locked_<mode>): New.
7967 (store_conditional_<mode>): New.
7968 (sync_compare_and_swap<mode>): Replace with splitter.
7969 (sync_lock_test_and_set<mode>): Replace with splitter.
7970 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
7972 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
7973 is ics. Attribute isync.
7974 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
7976 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
7977 and UNSPECV_SYNC_OP.
7978 (emit_unlikely_jump): New.
7979 (emit_load_locked): New.
7980 (emit_store_conditional): New.
7981 (rs6000_split_compare_and_swap): New.
7982 (rs6000_split_lock_test_and_set): New.
7983 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
7984 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
7985 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
7986 rs6000_split_lock_test_and_set): Declare.
7987 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
7988 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
7989 store_c, isync, sync.
7991 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
7993 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
7994 filenames to gtyp-gen.h.
7995 (s-typ-gen): Use it in place of for loops.
7997 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
7999 * hooks.c (hook_bool_rtx_int_false): New function.
8000 * hooks.h (hook_bool_rtx_int_false): Declare.
8001 * target-def.h (TARGET_COMMUTATIVE_P): Define.
8002 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
8003 * target.h (struct gcc_target): Add commutative_p member.
8004 * targhooks.c (hook_bool_rtx_commutative_p): New function.
8005 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
8006 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
8007 (pa_commutative_p): New function.
8008 * jump.c (target.h): Include.
8009 (rtx_renumbered_equal_p): Use targetm.commutative_p.
8010 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
8012 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8014 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
8015 (s390_expand_setmem): New.
8016 * config/s390/s390.c: Likewise.
8017 (print_shift_count_operand): Truncate to 12 bits instead of 6.
8019 * config/s390/s390.md: ("setmem<mode>"): Accept character as
8020 general_operand. Call new function "s390_expand_setmem".
8021 ("clrmem_long", "*clrmem_long"): Rewrite to ...
8022 ("setmem_long", "*setmem_long"): ... this.
8024 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8026 * config/s390/s390.c: (optimization_options): Enable
8027 TARGET_MVCLE at -Os.
8028 * doc/invoke.texi: Document changes in default behaviour.
8029 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
8031 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8033 * expr.c: (set_storage_via_setmem): Convert opchar to mode
8034 defined by back-end.
8036 2005-07-07 Jakub Jelinek <jakub@redhat.com>
8038 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
8039 all sets in the pattern.
8040 * config/rs6000/rs6000.md (stack_protect_testsi,
8041 stack_protect_testdi): Likewise.
8043 2005-07-06 Jeff Law <law@redhat.com>
8045 * tree-vrp.c (simplify_using_ranges): Kill.
8046 (vrp_finalize): Remove call to simplify_using_ranges.
8047 (simplify_stmt_using_ranges): New function extracted from
8048 simplify_using_ranges.
8049 (simplify_div_or_mod_using_ranges): Likewise.
8050 (simplify_abs_using_ranges): Likewise.
8051 (simplify_cond_using_ranges): New function.
8052 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
8053 * tree-ssa-propagate.c (substitute_and_fold): Call
8054 simplify_stmt_using_ranges if we have range information.
8056 2005-07-06 James E. Wilson <wilson@specifixinc.com>
8058 * config/ia64/ia64.c (ia64_reorg): Check optimize before
8059 ia64_flag_schedule_isns2.
8061 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
8062 reading/writing general registers.
8063 (ia64_function_arg): Revert 2005-06-18 change.
8065 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
8067 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
8068 (legitimize_tls_address): Use gcc_unreachable instead of abort.
8070 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
8072 * function.c (expand_function_end): Revert part of 2005-06-27
8073 patch. Do sjlj_emit_function_exit_after after return_label.
8075 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8077 * doc/install.texi (--disable-libssp): New.
8079 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
8081 * doc/invoke.texi: Update -fforce-mem documentation.
8082 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
8083 code for -fforce-mem.
8084 * expmed.c: (store_bit_field,store_fixed_bit_field,
8085 extract_bit_field): Ditto.
8086 * expr.c: (convert_move): Ditto.
8087 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
8088 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
8089 emit_conditional_add,expand_float,expand_fix): Ditto.
8090 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
8091 (common_handle_option): Issue warning when -fforce-mem specified.
8093 2005-07-06 Paul Brook <paul@codesourcery.com>
8095 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
8097 * configure: Regenerate.
8099 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
8101 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
8103 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
8105 Fix PR tree-optimization/22319
8106 Fix PR tree-optimization/22140
8107 Fix PR tree-optimization/22310
8109 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
8110 variable sized types.
8111 Use correct type for intermediate structure on *a = *b structure
8114 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8116 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
8118 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
8119 (machine_function): Move typedef to...
8120 * config/rs6000/rs6000.c (machine_function): ... here. Add
8121 varargs_save_offset field.
8122 (rs6000_stack_t): Remove varargs_size field.
8123 (setup_incoming_varargs): Allocate varargs save area using
8124 assign_stack_local, try to make it as small as possible.
8125 Save offset from virtual_stack_vars_rtx to the save area
8126 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
8127 instead of magic 8 when fp word byte size is used.
8128 (rs6000_va_start): Use cfun->machine->varargs_save_offset
8129 instead of -RS6000_VARARGS_SIZE.
8130 (rs6000_stack_info, debug_stack_info,
8131 rs6000_initial_elimination_offset): Remove all traces of
8133 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
8134 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
8135 RS6000_VARARGS_AREA.
8137 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8139 PR tree-optimization/21963
8140 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
8141 constant_multiple_of in the same way get_computation_cost_at does.
8143 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8145 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
8146 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
8147 (gen_compare_reg): If sparc_compare_emitted is set, clear it
8148 and return its previous value.
8149 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
8150 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
8152 (stack_protect_set, stack_protect_test): New expanders.
8153 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
8154 stack_protect_testdi): New insns.
8155 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8156 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
8158 2005-07-06 Jeff Law <law@redhat.com>
8160 * tree-ssa-dce.c (cfg_altered): New global.
8161 (tree_dce_init): Initialize cfg_altered.
8162 (remove_dead_stmt): If we remove an edge in the CFG, then set
8164 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
8167 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8169 * Makefile.in (stamp-collect-ld): Use
8170 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
8171 ./collect-ld if it already exists.
8172 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
8173 Don't remove ./nm if it already exists.
8175 2005-07-05 Devang Patel <dpatel@apple.com>
8177 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
8178 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
8179 * tree-vectorizer.c (vect_loop_location): New.
8180 (vect_print_dump_info): Use vect_loop_location.
8181 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
8182 (vectorize_loops): Set vect_loop_location.
8183 * tree-vect-analyze.c (vect_analyze_offset_expr,
8184 vect_determin_vectorization_factor, vect_analyze_operations,
8185 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
8186 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
8187 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
8188 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
8189 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
8190 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
8191 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
8192 vect_analyze_loop): Adjust vect_print_dump_info API.
8193 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8194 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
8195 vect_finish_stmt_generation, vectorizable_assignment,
8196 vectorizable_operation, vectorizable_store, vectorizable_load,
8197 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
8198 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
8199 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
8200 vect_transform_loop): Same.
8201 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
8202 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
8205 2005-07-05 Randolph Chung <tausq@debian.org>
8207 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
8208 * configure: Regenerate.
8209 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
8210 (pa_tls_referenced_p): Declare.
8211 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
8212 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
8213 (legitimize_tls_address): New.
8214 (hppa_legitimize_address): Handle TLS addresses.
8215 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
8216 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
8217 (emit_move_sequence): Handle TLS addresses.
8218 (pa_encode_section_info): Call default handler to handle common
8220 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
8221 (CONSTANT_ADDRESS_P): Reject TLS operands.
8222 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
8223 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
8224 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
8225 (UNSPEC_TLSLE): Define new constants.
8226 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
8227 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
8228 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
8229 (tie_symbolic_operand, tle_symbolic_operand): New
8231 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
8233 * aclocal.m4: Update macros for autoconf 2.59 style.
8234 * configure.ac: Likewise.
8236 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8238 * pa.c (function_value): Handle small aggregates on 32-bit targets.
8239 (function_arg): Pass small aggregates in general registers on 32-bit
8241 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
8243 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
8245 * Makefile.in (final.o): Fix dependencies.
8247 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8251 * langhooks.h (struct lang_hooks): Add expr_to_decl.
8252 * langhooks.c (lhd_expr_to_decl): New.
8253 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
8255 (LANG_HOOKS_INITIALIZER): Update.
8256 * tree.c (recompute_tree_invarant_for_addr_expr): Call
8257 expr_to_decl langhook.
8258 * c-tree.h (c_expr_to_decl): Declare.
8259 * c-typeck.c (c_expr_to_decl): New.
8260 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
8262 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
8264 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8267 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
8268 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
8270 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
8272 * Makefile.in: Adjust dependencies.
8273 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
8274 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
8275 * alias.c (rest_of_handle_cfg, pass_cfg): New.
8276 * bb-reorder.c (duplicate_computed_gotos): Make it static.
8277 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
8278 rest_of_compilation.
8280 * bb-reorder.c (gate_duplicate_computed_gotos,
8281 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
8282 rest_of_handle_reorder_blocks, pass_reorder_blocks,
8283 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
8284 pass_partition_blocks): New.
8285 * bt-load.c (gate_handle_branch_target_load_optimize,
8286 rest_of_handle_branch_target_load_optimize,
8287 pass_branch_target_load_optimize): New.
8288 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
8290 * cfglayout.c (pass_insn_locators_initialize): New.
8291 * cfgrtl.c (pass_free_cfg): New.
8292 * combine.c (gate_handle_combine, rest_of_handle_combine,
8294 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
8295 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
8296 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
8297 * except.c (pass_set_nothrow_function_flags,
8298 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
8300 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
8301 rest_of_handle_shorten_branches, pass_shorten_branches,
8302 rest_of_clean_state, pass_clean_state): New.
8303 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
8304 rest_of_handle_remove_death_notes, pass_remove_death_notes,
8305 rest_of_handle_life, pass_life, rest_of_handle_flow2,
8307 * function.c (pass_instantiate_virtual_regs, pass_init_function,
8308 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
8309 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
8310 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
8312 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
8313 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
8314 pass_rtl_ifcvt, gate_handle_if_after_combine,
8315 rest_of_handle_if_after_combine, pass_if_after_combine,
8316 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
8317 pass_if_after_reload): New.
8318 * integrate.c (pass_initial_value_sets): New.
8319 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
8320 pass_purge_lineno_notes): New.
8321 * mode-switching.c (rest_of_handle_mode_switching,
8322 pass_mode_switching): New.
8323 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
8324 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
8326 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
8327 pass_loop_optimize): New.
8328 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
8330 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
8332 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
8333 pass_postreload_cse): New.
8334 * profile.c (gate_handle_profiling, pass_profiling,
8335 rest_of_handle_branch_prob, pass_branch_prob): New.
8336 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
8337 pass_split_before_regstack, gate_handle_split_before_regstack,
8338 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
8339 rest_of_handle_split_all_insns, pass_split_all_insns): New.
8340 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
8341 pass_stack_regs): New.
8342 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
8343 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
8344 pass_stack_adjustments): New.
8345 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
8346 pass_regrename): New.
8347 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
8348 pass_delay_slots, gate_handle_machine_reorg,
8349 rest_of_handle_machine_reorg, pass_machine_reorg): New.
8350 * rtl.h (extern void purge_line_number_notes): New.
8351 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
8352 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
8354 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
8356 * value-prof.c (gate_handle_value_profile_transformations,
8357 rest_of_handle_value_profile_transformations,
8358 pass_value_profile_transformations): New.
8359 * var-tracking.c (gate_handle_var_tracking,
8360 pass_variable_tracking): New.
8361 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
8363 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
8364 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
8365 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
8366 rest_of_handle_old_regalloc, rest_of_handle_regrename,
8367 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
8368 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
8369 rest_of_handle_gcse2, rest_of_handle_regmove,
8370 rest_of_handle_tracer, rest_of_handle_if_conversion,
8371 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
8372 rest_of_handle_web, rest_of_handle_branch_prob,
8373 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
8374 rest_of_handle_jump_bypass, rest_of_handle_combine,
8375 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8376 rest_of_handle_gcse, rest_of_handle_loop_optimize,
8377 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
8378 rest_of_handle_mode_switching, rest_of_handle_jump,
8379 rest_of_handle_eh, rest_of_handle_stack_adjustments,
8380 rest_of_handle_flow2, rest_of_handle_jump2,
8381 rest_of_handle_peephole2, rest_of_handle_postreload,
8382 rest_of_handle_shorten_branches, rest_of_clean_state,
8383 rest_of_compilation): Remove.
8385 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
8386 * passes.c (dump_flags, in_gimple_form, all_passes,
8387 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8388 register_dump_files, next_pass_1, last_verified, execute_todo,
8389 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
8390 from tree-optimize.c.
8391 (init_optimization_passes): Moved from tree-optimize.c,
8392 adding the RTL optimizations.
8393 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
8394 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
8395 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8396 register_dump_files, next_pass_1, last_verified, execute_todo,
8397 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
8398 init_tree_optimization_passes, ipa_passes): Delete.
8399 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
8401 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
8402 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
8404 (ipa_passes): Remove.
8405 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
8406 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
8407 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
8408 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
8409 (dump_info_p, dump_flag): Moved to tree-dump.h.
8411 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
8413 * passes.c (finish_optimization_passes): Use dump_begin
8414 and dump_end, TDI_end.
8415 (gate_rest_of_compilation): New.
8416 (pass_rest_of_compilation): Use it.
8417 (gate_postreload, pass_postreload): New.
8418 * toplev.c (general_init): Rename init_tree_optimization_passes.
8419 * toplev.h (init_tree_optimization_passes): Rename to
8420 init_optimizations_passes.
8421 * tree-dump.c (dump_flag): Make static.
8422 (dump_files): Remove RTL dumps.
8423 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
8424 pass_cleanup_cfg, pass_free_cfg_annotations,
8425 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
8426 pass_init_datastructures, pass_fixup_cfg): Make non-static.
8427 * tree-pretty-print.c: Include tree-pass.h.
8428 * cgraph.c: Include tree-dump.h.
8430 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8432 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
8433 Only fall back to saying it points to readonly memory if
8436 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8438 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
8439 * config/m32r/m32r.c (m32r_compute_frame_size,
8440 m32r_expand_prologue): Take current_function_profile into
8441 account whenever we reference
8442 current_function_uses_pic_offset_table.
8443 (m32r_finalize_pic): Remove.
8444 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
8446 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
8448 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
8449 instead of $<. Don't remove ./as if it already exists.
8451 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8454 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
8455 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
8456 for complex modes when generating code for PA 1.0.
8457 (VALID_FP_MODE_P): New macro.
8458 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8459 sets for all general and floating point modes. Align wide floating
8460 point modes to even register boundaries to comply with architectural
8462 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
8463 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
8464 (VALID_FP_MODE_P): New macro.
8465 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8466 sets for all general and floating point modes. Align wide floating
8467 point modes to even register boundaries to comply with architectural
8470 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8472 * tree-dump.c (dump_files): Initialize dump number for .cgraph
8475 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8477 * tree-ssa-structalias.c: Don't include expr.h.
8479 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8481 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
8484 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8486 Fix PR tree-optimization/22279
8488 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
8491 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
8493 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
8495 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8497 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
8498 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
8499 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
8500 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
8501 config/stormy16/stormy16.c, config/v850/v850.c,
8502 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
8503 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
8504 Avoid "." or "\n" at end of diagnostics and capital letters at
8505 start of diagnostics.
8506 * combine.c, cse.c: Don't translate dump file output.
8507 * toplev.c (print_version): Only translate output if going to
8510 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8512 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
8513 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
8516 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8518 * pa.c (fix_range): Fix typo in comment.
8520 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8522 * tree-vrp.c (extract_range_from_assert): Replace
8523 fold (build (...)) with fold_build2.
8525 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8527 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
8528 gcc_gfc_char_table, init_dynamic_gfc_info): New.
8529 (format_types_orig, handle_format_attribute): Add support for
8532 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
8534 * varasm.c (assemble_variable): Fix format specifier thinko.
8536 2005-07-03 Ira Rosen <irar@il.ibm.com>
8538 PR tree-optimization/22029 (and 22135)
8539 * tree-pretty-print.c (dump_generic_node): Check that the node is not
8540 a phi node before calling dump_vops.
8542 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8544 * tree-dump.h (dump_string_field): Declare.
8545 * tree-dump.c: Use it instead of dump_string.
8546 (dump_string_field): Make non-static.
8548 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
8550 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
8551 up the minimal CFG stuff always when optimize > 0. Call
8552 split_all_insns_noflow in PIC case if needed.
8554 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8555 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
8558 * c-decl.c (c_write_global_declarations): Dump contents of
8560 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
8561 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
8562 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
8563 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
8566 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8568 * c-common.h (GCC_DIAG_STYLE): Define.
8569 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
8570 version for format checking to 4.1.
8571 * c-format.c: Include toplev.h after c-common.h.
8572 (enum format_type): Add gcc_tdiag_format_type.
8573 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
8574 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
8575 (format_types_orig): Add gcc_tdiag.
8576 (init_dynamic_diag_info): Support gcc_tdiag formats.
8577 (handle_format_attribute): Likewise.
8578 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
8579 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
8580 version for format checking to 4.1.
8581 (warning0, warning, error, pedwarn, sorry): Use
8583 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
8584 (finish_aliases_1): Do not use %qE.
8585 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
8586 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
8587 Correct format bugs.
8588 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
8589 parameter to unsigned HOST_WIDE_INT.
8590 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
8592 2005-07-02 David Edelsohn <edelsohn@gnu.org>
8595 * expr.c (write_complex_part): Use adjust_address for MEM.
8596 (read_complex_part): Same.
8598 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
8600 Fix PR tree-optimization/22280
8602 * tree-sra.c (generate_element_init): Remove useless loop.
8604 2005-07-02 Richard Henderson <rth@redhat.com>
8606 * config/alpha/alpha.c (alpha_legitimize_address): Check for
8608 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
8610 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
8613 * fold-const.c (fold_binary): Handle the return value of
8614 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
8615 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
8617 2005-07-02 Jeff Law <law@redhat.com>
8619 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
8620 a eliminate type conversion which feeds an equality comparison
8621 if the original type or either operand in the comparison is a
8624 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
8626 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
8627 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
8629 * config/avr/avr.c: Do not use '`' as left quote.
8630 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
8631 Remove "." from end of diagnostics. Make diagnostics start with
8634 2005-07-02 Zack Weinberg <zack@codesourcery.com>
8635 Joseph S. Myers <joseph@codesourcery.com>
8637 * toplev.c (default_tree_printer): Handle setting location with
8639 * c-objc.common.c (c_tree_printer): Likewise.
8640 * c-format.c (gcc_diag_flag_specs): Add '+'.
8641 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
8642 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
8644 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
8645 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
8646 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
8647 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
8648 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
8649 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
8650 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
8651 format arguments where %J is used without %D.
8653 2005-07-02 Jakub Jelinek <jakub@redhat.com>
8655 * gcc.c (LINK_SSP_SPEC): Define.
8656 (link_ssp_spec): New variable.
8657 (LINK_COMMAND_SPEC): Add %(link_ssp).
8658 (static_specs): Add link_ssp_spec.
8659 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
8660 * configure: Rebuilt.
8661 * config.in: Rebuilt.
8663 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8664 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8665 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8666 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8667 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
8668 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
8669 -0x7008(2) instead of reading __stack_chk_guard variable.
8670 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
8672 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
8673 (stack_protect_set, stack_protect_test): Use *_tls* patterns
8674 if TARGET_THREAD_SSP_OFFSET is defined.
8675 (stack_tls_protect_set_si, stack_tls_protect_set_di,
8676 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
8679 2005-06-27 Richard Henderson <rth@redhat.com>
8680 * libgcc-std.ver (GCC_4.1.0): New.
8681 * libgcc.h (__stack_chk_guard): Declare.
8682 (__stack_chk_fail, __stack_chk_fail_local): Declare.
8683 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
8684 * mklibgcc.in (lib2funcs): Add them.
8686 2005-07-01 Richard Henderson <rth@redhat.com>
8688 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
8689 void * before struct sigcontext *.
8690 (x86_fallback_frame_state): Likewise.
8692 2005-07-01 James E. Wilson <wilson@specifixinc.com>
8694 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
8696 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8699 * tree-ssa-reassoc.c (should_transpose): Fix which operand
8700 we check for SSA_NAME for.
8702 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
8704 Fix PR tree-optimization/22071
8706 * tree-ssa-structalias.c (offset_overlaps_with_access): New
8708 (get_constraint_for_component_ref): Use it.
8710 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8713 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
8714 print out the last new line.
8716 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
8718 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
8719 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
8720 * config/cris/cris.c (cris_conditional_register_usage): Adjust
8721 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
8722 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
8723 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
8724 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
8725 (enum reg_class): New member CC0_REGS.
8726 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
8727 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
8728 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
8729 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
8730 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8731 Adjust for register now described.
8733 2005-07-01 Jakub Jelinek <jakub@redhat.com>
8736 * config/i386/i386.md (stack_protect_test_si,
8737 stack_protect_test_di): Add earlyclobber for scratch 3.
8738 * config/rs6000/rs6000.md (stack_protect_testsi,
8739 stack_protect_testdi): Add earlyclobber for scratch 3,
8740 remove earlyclobber from scratch 4.
8742 Older entries for 2005 can be found in ChangeLog-2005.