1 2005-11-12 Richard Guenther <rguenther@suse.de>
3 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
5 2005-11-12 Jan Hubicka <jh@suse.cz>
7 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
8 to compare against 0 when possible.
10 2005-11-12 Jie Zhang <jie.zhang@analog.com>
12 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
13 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
14 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
15 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
18 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
20 * recog.c (constrain_operands) <case 'g'>: For a match, require
21 that a non-register matches general_operand when strict >= 0.
23 2005-11-11 Steven Bosscher <stevenb@suse.de>
25 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
28 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
30 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
31 (memory_address_same): New.
32 (dse_optimize_stmt): Call memory_address_same.
34 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
37 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
38 ZERO_EXTEND>: New cases.
40 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
42 * longlong.h (__clz_tab): Always provide.
44 2005-11-11 Steven Bosscher <stevenb@suse.de>
47 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
49 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
50 before check_maybe_invariant.
51 (move_invariant_reg): Use gen_move_insn instead of replacing
52 SET_DEST with the temporary for the invariant.
53 (move_loop_invariants): If checking is enabled, do internal
54 consistency checks after completing the pass.
56 2005-11-11 David Edelsohn <edelsohn@gnu.org>
59 * common.opt (Wvolatile-register-var): New.
60 * varasm.c (make_decl_rtl): Only emit warning when option
61 specified. Clarify warning message.
62 * doc/invoke.texi (Wvolatile-register-var): Document new option.
64 * doc/md.texi (copysign): Document standard named pattern.
66 2005-11-11 Jie Zhang <jie.zhang@analog.com>
68 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
69 bytes when align is 2.
70 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
71 by the first instruction of the loop.
73 2005-11-11 Jason Merrill <jason@redhat.com>
76 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
79 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
81 PR rtl-optimization/22509
82 * local-alloc.c (memref_used_between_p): Check whether a function call
83 could not reference the memref.
85 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
87 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
88 algorithm so as to choose the best, not the worst, alternative.
89 Reset accumulated register class before processing next alternative.
91 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
94 * calls.c (expand_call): Copy a return value to a plain register
97 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
100 * varasm.c (assemble_name): Recompute name only for transparent
103 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
105 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
107 2005-11-04 Jeff Law <law@redhat.com>
110 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
111 perform reassociation if the parent statement will not die as
112 a result of the optimization.
114 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
116 * tree-ssa-alias.c (compute_may_aliases): Remove call to
117 delete_old_heap_vars.
118 * tree-dfa.c (referenced_var_remove): Remove function.
119 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
120 (delete_tree_ssa): Remove call to delete_old_heapvars.
121 Add call to delete_alias_heapvars.
122 * tree-flow.h (referenced_var_remove): Remove prototype
123 (init_alias_heapvars): New prototype.
124 (delete_alias_heapvars): Ditto.
125 * Makefile.in (tree-ssa-structalias.o): Add
126 gt-tree-ssa-structalias.o
127 (GTFILES): Add tree-ssa-structalias.h and
128 tree-ssa-structalias.c.
129 (s-gtype): Add gt-tree-ssa-structalias.h.
130 * tree-ssa-structalias.c (heapvars): Remove.
131 (oldheapvars): Remove.
132 (heapvar_for_stmt): New variable.
133 (heapvar_lookup): New function.
134 (heapvar_insert): Ditto.
135 (get_constraint_for): See if we have an old heapvar
137 (init_alias_heapvars): New function.
138 (delete_alias_heapvars): Ditto.
139 Add include of gt-tree-ssa-structalias.h.
141 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
144 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
146 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
148 * tree.c (int_fits_type_p): Only look at the base type
149 if it has the same precision as the original type.
151 2005-11-10 Jakub Jelinek <jakub@redhat.com>
154 * varasm.c (assemble_alias): Use %q+D in the error
155 message instead of %J and %qD.
157 2005-11-10 Richard Guenther <rguenther@suse.de>
159 * gcse.c (free_ldst_entry): Only free hashtable if
162 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
164 * function.c (assign_stack_local_1): Issue an error message if
165 the frame size overflows in the signed target arithmetics.
167 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
169 * tree.c (build_qualified_type): Chain the new type to the original
170 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
171 a POINTER_TYPE or a REFERENCE_TYPE respectively.
172 (build_pointer_type_for_mode): Only return unqualified types.
173 (build_reference_type_for_mode): Likewise.
175 2005-11-09 Jakub Jelinek <jakub@redhat.com>
177 * Makefile.in (gnucompare): Do comparison of all files using one of
178 the chosen methods and only afterwards decide if just warning should
179 be issued or comparison failure raised.
181 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
183 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
184 (noce_try_abs): Negate if the comparison is reversed.
185 Look only one instruction backwards for a REG_EQUAL note.
187 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
190 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
191 gthr-tpf.h: Define __gthrw. For all identifiers that might
192 be weak, introduce weakrefs or non-weak aliases with __gthrw,
193 and prefix all uses with __ghtrw.
195 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
198 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
199 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
200 * c-common.c (handle_weakref_attribute): New.
201 (c_common_attribute_table): Add weakref.
202 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
204 * configure, config.in: Rebuilt.
205 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
206 * doc/extend.texi: Document weakref attribute.
207 * varasm.c (ultimate_transparent_alias_target): New
208 (assemble_name): Use it.
209 (weak_finish_1): Split out of...
210 (weak_finish): ... and deal with weakrefs in...
211 (weakref_targets): ... new list.
212 (globalize_decl): Clean up weakref_targets.
213 (do_assemble_alias): Handle weakrefs.
214 (finish_aliases_1): Do not reject weakrefs to external symbols.
215 (assemble_alias): Handle weakrefs.
217 2005-11-09 Richard Guenther <rguenther@suse.de>
219 PR tree-optimization/24716
220 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
221 t_bool to track results from follow_ssa_edge.
223 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
225 * final.c (force_source_line): New global variable.
226 (final_scan_insn): Set it to true instead of clearing last_filename.
227 (notice_source_line): Return true if force_source_line is true,
228 unless source info is absent.
230 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
233 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
234 a linkage name for a variable if it a register variable.
235 * c-decl.c (grokdeclarator): Global register variables
236 should be set as PUBLIC.
238 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
241 * config/s390/s390.c (struct s390_frame_layout): New fields
242 first_save_gpr_slot and last_save_gpr_slot.
243 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
244 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
245 first_save_gpr and last_save_gpr with the _slot variants.
246 (s390_register_info): Calculate first_save_gpr_slot and
247 last_save_gpr_slot using regs_ever_live.
249 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
252 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
253 for a function containing a landing pad.
255 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
258 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
261 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
263 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
264 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
266 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
269 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
271 (call,load,store): New insn types.
272 (mem_access, branch_access): Adjust reservation conditions.
273 (define_delay): Adjust condition.
274 (decrement_and_branch_until_zero): Allow for ms2. Set branch
276 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
277 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
279 (call_internal, call_value_internal, return_internal,
280 return_interrupt_internal, eh_return_internal, indirect_jump,
281 tablejump): Set call insn type.
282 (blockage, ei, di): Use appropriate unspec const.
283 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
284 (ms1_get_attr_type): Adjust to give load & store types.
285 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
286 backwards past a barrier.
287 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
289 (struct branch_info, struct label_info): New.
291 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
292 (ms1_machine_reorg): New.
293 (TARGET_MACHINE_DEPENDENT_REORG): Override.
294 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
295 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
296 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
299 2005-11-09 Per Bothner <per@bothner.com>
300 Uros Bizjak <uros@kss-loka.si>
303 * toplev.c (process_options): Initialize debug_hooks early
304 in case lang_hooks.post_options ends up calling a debug_hook.
306 2005-11-08 Jakub Jelinek <jakub@redhat.com>
308 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
309 DBX_REGISTER_NUMBER being contiguous.
311 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
312 Diego Novillo <dnovillo@redhat.com>
315 * tree-vrp.c (register_edge_assert_for): Do not register
316 always-false predicates.
318 2005-11-08 Devang Patel <dpatel@apple.com>
320 PR tree-optimization/23115
321 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
324 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
326 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
329 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
331 Fix PR tree-optimization/23382
333 * tree-ssa-alias.c (compute_may_aliases): Call
334 delete_old_heap_vars.
335 * tree-dfa.c (referenced_var_remove): New function.
336 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
337 * tree-flow.h (referenced_var_remove): Add prototype.
338 (delete_old_heap_vars): Ditto.
339 * tree-ssa-structalias.c (heapvars): New variable.
340 (oldheapvars): Ditto.
341 (get_constraint_for): Put heap vars on heapvars list.
342 (delete_old_heap_vars): New function.
344 2005-11-08 Jason Merrill <jason@redhat.com>
346 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
348 2005-11-08 Uros Bizjak <uros@kss-loka.si>
351 * reg-stack.c (reg_to_stack): Update register liveness also
352 for flag_sched2_use_traces.
354 2005-11-08 Alan Modra <amodra@bigpond.net.au>
357 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
358 override prior explicit -mno-powerpc-gfxopt.
360 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
362 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
363 if the bitsize is zero.
364 * doc/md.texi (Standard Pattern Names): Document it.
366 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
367 (TARGET_PASS_BY_REFERENCE): Likewise.
369 2005-11-07 Ian Lance Taylor <ian@airs.com>
371 PR rtl-optimization/24683
372 * config/i386/i386.c (legitimize_pic_address): If constant operand
373 to PLUS is too large, put it in a register.
375 2005-11-07 Jie Zhang <jie.zhang@analog.com>
377 * configure.ac: Enable checking assembler dwarf2 support for bfin
379 * configure: Regenerate.
381 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
385 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
386 gen_easy_vector_constant_add_self): Delete.
387 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
389 (output_vec_const_move): Use gen_easy_altivec_constant.
390 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
391 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
392 (easy_vector_constant_add_self): Rewritten.
393 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
394 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
395 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
396 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
397 Macroize and adjust for the other changes.
399 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
403 * c-typeck.c (build_c_cast): Try using a shared constant, and see
404 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
406 2005-11-07 Jakub Jelinek <jakub@redhat.com>
408 PR rtl-optimization/23567
409 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
410 (noce_process_if_block): Don't do any optimizations except
411 if (cond) x = x; if !set_b and write into orig_x may trap
412 or fault. Remove the MEM_READONLY_P check.
414 2005-11-06 Diego Novillo <dnovillo@redhat.com>
417 * tree-vrp.c (fix_equivalence_set): New.
418 (extract_range_from_assert): Call it.
420 2005-11-05 Ian Lance Taylor <ian@airs.com>
423 * combine.c (apply_distributive_law): Don't distribute across a
426 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
428 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
429 config/ms1/ms1.h, config/rs6000/predicates.md,
430 config/s390/s390.c, params.def, postreload-gcse.c,
431 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
432 tree-vrp.c, tree.c: Fix comment typos.
433 * doc/invoke.texi: Fix typos.
435 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
437 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
438 for testing whether the data_dependence_relation contains distance
439 vectors. Iterate over all distance vectors of the ddr.
440 * lambda.h: Define a vec of lambda_vector pointers.
441 * tree-data-ref.c (dump_data_dependence_relation,
442 dump_data_dependence_direction): Iterate over all distance and
443 direction vectors of the ddr.
444 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
446 (build_classic_dist_vector, build_classic_dir_vector): Push a set
447 of distance/direction vectors instead of a single one.
448 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
449 lambda_vectors with a vec of lambda_vectors.
450 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
451 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
452 DDR_NUM_DIST_VECTS): New.
453 * tree-loop-linear.c (gather_interchange_stats): Test for the
454 existence of distance vectors only after having checked that there
455 is a dependence. Iterate over all distance vectors of the ddr.
456 (linear_transform_loops): Use dump_data_dependence_relation.
457 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
458 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
459 distance vectors of the ddr.
461 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
463 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
464 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
465 IS_INTHANDLER; all callers changed.
466 (n_regs_saved_by_prologue): Take interrupt handler attributes into
468 (do_link, do_unlink): New argument ALL; all callers changed.
469 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
470 If function isn't leaf, save and restore all registers.
471 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
474 2005-11-05 Jan Hubicka <jh@suse.cz>
476 PR rtl-optimization/23490
477 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
478 max-flow-memory-location): Document.
479 * flow.c: Include params.h
480 (MAX_MEM_SET_LIST_LEN): Kill.
481 (add_to_mem_set_list): Use new param.
482 * cse.c (cse_basic_block): Replace 1000 by new param.
483 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
484 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
485 * predict.c (predict_loops): Use new param.
486 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
488 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
489 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
490 Do not hold memory returned by cgraph_node_name across other call.
492 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
495 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
498 2005-11-04 Jeff Law <law@redhat.com>
501 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
502 * tree-ssa-dom.c: Include params.h.
503 (thread_across_edge): If there are too many statements in the
504 target block, then do not thread through it.
505 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
506 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
508 2005-11-03 Diego Novillo <dnovillo@redhat.com>
511 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
512 TODO_update_ssa instead of TODO_update_ssa_no_phi.
514 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
517 * tree-scalar-evolution.c (instantiate_parameters_1,
518 instantiate_parameters, resolve_mixers): Compute the size of an
519 expression to be instantiated and give up the instantiation if the
520 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
522 2005-11-04 Richard Guenther <rguenther@suse.de>
524 * tree-flow.h (ref_contains_indirect_ref): Rename to
525 array_ref_contains_indirect_ref.
526 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
527 (array_ref_contains_indirect_ref): Make comment match the code
529 (ref_contains_array_ref): Likewise.
530 * tree-ssa-structalias.c (find_func_aliases): Remove call to
531 ref_contains_indirect_ref.
532 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
533 Rename calls to ref_contains_indirect_ref.
535 2005-11-04 Paul Brook <paul@codesourcery.com>
537 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
538 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
539 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
540 * config/arm/arm.md: Use match_operand in peephole input templates
541 and match_dup in peephole output templates.
543 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
545 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
548 2005-11-04 Mark Mitchell <mark@codesourcery.com>
549 Daniel Jacobowitz <dan@codesourcery.com>
551 * longlong.h (add_ssaaaa): Clobber condition code register
553 (sub_ddmmss): Likewise.
554 (umul_ppmm): Likewise.
556 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
557 Paul Brook <paul@codesourcery.com>
558 Phil Blundell <pb@reciva.com>
560 * configure.ac: Add test for ARM TLS support.
561 * configure: Regenerated.
562 * config/arm/arm-protos.h (legitimize_tls_address)
563 (arm_tls_referenced_p, tls_mentioned_p)
564 (arm_output_addr_const_extra): New prototypes.
565 (thumb_legitimize_pic_address): Delete.
566 * config/arm/arm.c: Include "gt-arm.h".
567 (enum tls_reloc): New.
568 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
569 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
570 (arm_call_tls_get_addr, legitimize_tls_address)
571 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
572 (arm_init_tls_builtins, arm_emit_tls_decoration)
573 (arm_output_addr_const_extra): New functions.
574 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
575 (TARGET_HAVE_TLS): Define.
576 (target_thread_pointer): New.
577 (arm_override_options): Handle -mtp=.
578 (legitimize_pic_address): Ignore UNSPECs.
579 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
581 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
582 (tls_get_addr_libfunc): New variable.
583 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
584 (arm_init_builtins): Call arm_init_tls_builtins.
585 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
586 (arm_encode_section_info): Call default_encode_section_info.
587 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
588 (enum arm_tp_type): New.
589 (target_thread_pointer): Add declaration.
590 (LEGITIMATE_CONSTANT_P): Handle TLS.
591 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
592 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
593 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
594 * config/arm/arm.md: Add UNSPEC_TLS.
596 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
598 (tls_load_dot_plus_eight): New insn and a peephole to create it.
599 (load_tp_hard, load_tp_soft): New insns.
600 * arm.opt: Add -mtp=.
601 * doc/invoke.texi (ARM Options): Document -mtp.
603 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
605 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
606 * config/arm/libunwind.S: Include "lib1funcs.asm".
607 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
608 (LIB2ADDEH): Add libunwind.S.
609 (LIB2ADDEHDEP): Add lib1funcs.asm.
610 * mklibgcc.in: Handle asm files in libgcc_eh.a.
612 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
615 * gcc/c.opt: Add a -lang-fortran option.
616 * gcc/c-opts.c: Add a lang_fortran flag.
617 (c_common_init_options): Handling the -lang-fortran option.
618 (c_common_handle_option): Add a case for Fortran options in
619 preprocessing. Remove cases for -ffixed-form and
620 -ffixed-line-length. Add a case for -lang-fortran.
622 2005-11-03 David Edelsohn <edelsohn@gnu.org>
624 * config/rs6000/rs6000.c: Include params.h
625 (optimization_options): Set max-grow-copy-bb-insns default to 16.
626 (bdesc_2arg): Delete vpkuhss and vpkuwss.
627 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
628 (UNSPEC_VPKUWSS): Delete.
629 (altivec_vpkuhss): Delete.
630 (altivec_vpkuwss): Delete.
631 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
633 (neg_eq0<mode>): Remove final condition.
634 (neg_eq<mode>): Remove condition and split-condition.
636 2005-11-04 Alan Modra <amodra@bigpond.net.au>
638 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
639 Use associated print macros.
641 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
644 * diagnostic.c (diagnostic_set_info_translated): New function.
645 (diagnostic_set_info): Use it. Add comment.
646 * diagnostic.h (diagnostic_set_info_translated): Declare.
648 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
650 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
651 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
652 reference only if 'public' is true.
653 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
654 emit the .hidden directive only if the indirect reference is public.
655 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
656 Pass it to dw2_force_const_mem.
657 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
658 * dwarf2out.c (output_cfi): Adjust calls to above function.
659 (output_call_frame_info): Likewise.
660 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
661 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
663 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
665 PR tree-optimization/24483
666 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
667 field to elts if possible.
669 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
672 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
675 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
677 Fix PR tree-optimization/24351
679 * tree-ssa-structalias.c (struct variable_info): Add
681 (get_varinfo_fc): New function to follow collapsing.
682 (new_var_info): Set collapsed_to to NULL.
683 (dump_constraint): Follow collapsing.
684 (build_constraint_graph): Handle collapsing.
685 (do_simple_structure_copy): Return false if something bad
687 (collapse_rest_of_var): New function.
688 (do_structure_copy): Collapse if do_simple_structure_copy returns
691 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
694 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
695 expressions to a statement list instead of gimplifying them.
697 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
699 PR rtl-optimization/23585
700 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
701 that can't trap plus a constant integer, if the mode has zero size.
703 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
706 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
708 ("*insv<mode>_reg_extimm"): Likewise.
710 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
713 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
714 c_common_type_for_mode returns an unnamed type.
716 2005-11-02 Richard Henderson <rth@redhat.com>
720 * dwarf2out.c (dwarf2out_reg_save_reg): New.
721 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
722 * function.c (assign_parms): Use calls.internal_arg_pointer.
723 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
725 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
726 (TARGET_CALLS): Add it.
727 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
728 * targhooks.c (default_internal_arg_pointer): New.
729 * targhooks.h (default_internal_arg_pointer): Declare.
730 * tree.h (dwarf2out_reg_save_reg): Declare.
731 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
732 * config/i386/i386.c (dbx_register_map): Add return column.
733 (dbx64_register_map, svr4_dbx_register_map): Likewise.
734 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
735 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
736 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
737 (ix86_save_reg): Save force_align_arg_pointer.
738 (ix86_emit_save_regs): Make regno unsigned.
739 (ix86_emit_save_regs_using_mov): Likewise.
740 (ix86_expand_prologue): Handle force_align_arg_pointer.
741 (ix86_expand_epilogue): Likewise.
742 * config/i386/i386.h: (dbx_register_map): Update.
743 (dbx64_register_map, svr4_dbx_register_map): Update.
744 (struct machine_function): Add force_align_arg_pointer.
745 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
746 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
747 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
749 2005-11-02 Jan Hubicka <jh@suse.cz>
752 * i386.md: Add peep2 for simplyfing array accesses.
754 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
757 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
758 * config/s390/s390.c (s390_decompose_shift_count): New function.
759 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
760 (print_shift_count_operand): Use s390_decompose_shift_count.
761 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
762 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
764 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
767 * loop.c (loop_givs_rescan): Use force_operand to expand
770 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
773 * fold-const.c (build_range_check): Use unsigned when signed
774 overflow is undefined also. If etype is subtype, make sure that
775 the subtraction is in the supertype.
777 2005-11-02 Richard Henderson <rth@redhat.com>
780 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
783 2005-11-01 Richard Henderson <rth@redhat.com>
786 * loop.c (scan_loop): Do not propagate computations to a hard
787 register destination with SMALL_REGISTER_CLASSES.
789 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
791 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
792 costs for MULT inside PLUS or MINUS.
794 2005-11-01 Bob Wilson <bob.wilson@acm.org>
796 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
797 (TRAMPOLINE_SIZE): Round up to 60.
798 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
800 2005-10-31 James E. Wilson <wilson@specifix.com>
803 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
804 ifdef. Put ifdefs around call in gen_subprogram_die.
805 (compute_frame_pointer_to_cfa_displacement): Likewise.
806 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
809 PR rtl-optimization/17356
810 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
811 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
813 2005-10-31 Jan Hubicka <jh@suse.cz>
816 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
819 * i386.c (legitimize_pic_address): Deal with large immediates.
822 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
823 from symbol names while computing checkup.
826 * predict.c (predict_loops): Do not estimate more than
827 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
828 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
830 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
832 PR tree-optimization/19097
833 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
835 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
837 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
839 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
842 * tree-inline.c (setup_one_parameter): If the init_stmt
843 is NULL, don't insert the statement.
845 2005-10-30 Jan Hubicka <jh@suse.cz>
847 PR tree-optimization/24172
848 * tree-inline.c (copy_body_r): Unshare the substituted value first.
850 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
852 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
853 constants for hosts with long != 32 bits.
855 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
858 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
860 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
862 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
863 (TARGET_MS1_16_002): New.
864 (TARGET_MS1_16_003): New.
866 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
867 ("*decrement_and_branch_until_zero_no_clobber"): New.
868 Add corresponding splitter for decrement_and_branch_until_zero
870 Key all decrement_and_branch_until_zero patterns off of
873 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
876 * tree-complex.c (extract_component): Treat RESULT_DECL
877 like the rest of the decls.
879 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
881 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
882 indirect call to _mcount if the function needs a static chain.
884 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
885 Caroline Tice <ctice@apple.com>
887 PR rtl-optimization/24460
888 * dwarf2out.c (have_switched_text_sections): New boolean variable.
889 (dwarf2out_switch_text_section): Set it to true instead of
890 incrementing separate_line_info_table_in_use.
891 (output_loc_list): Additionally test have_switched_text_sections.
892 (output_ranges): Likewise.
893 (dwarf2out_finish): Likewise.
894 * varasm.c (assemble_start_function): Do not call
895 insert_section_boundary_note.
896 (assemble_end_function): If flag_reorder_blocks_and_partition,
897 switch to the function's section before emitting the .size directive.
898 * bb-reorder.c (insert_section_boundary_note): Staticify.
899 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
900 * output.h (insert_section_boundary_note): Delete.
902 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
905 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
906 instead of pointer equality when comparing types.
908 2005-10-24 James E. Wilson <wilson@specifix.com>
910 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
911 add_dependence_list_and_free calls.
913 2005-10-24 Steven Bosscher <stevenb@suse.de>
915 * contrib.texi: Add the names of the LLNL folks who donated
916 Cray pointer support for gfortran.
918 2005-10-24 Steven Bosscher <stevenb@suse.de>
920 PR tree-optimization/24225
921 * profile.c (branch_prob): Look from end to start through a
922 basic block when looking for a locus.
924 2005-10-24 Richard Henderson <rth@redhat.com>
926 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
928 (hppa_expand_prologue): Likewise.
930 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
932 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
933 (NO_DEFERRED_PROFILE_COUNTERS): Define.
934 * pa.h (NO_PROFILE_COUNTERS): Define.
935 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
936 (funcdef_nos): New vector to hold label numbers of deferred profile
938 (output_deferred_profile_counters): New function.
939 (hppa_profile_hook): Push label number onto funcdef_nos.
940 (pa_hpux_file_end): Call output_deferred_profile_counters if
941 NO_DEFERRED_PROFILE_COUNTERS is false.
943 * pa-protos.h (get_deferred_plabel): New prototype.
944 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
946 (output_call): Adjust calls.
948 2005-10-24 Alan Modra <amodra@bigpond.net.au>
950 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
951 peculiarity of GOT/TOC section usage.
953 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
956 * c-common.c (constant_string_class_name): Add documentation.
958 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
961 * recog.c (peephole2_optimize): Increment peep2_current_count
962 only when the slot is empty.
964 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
967 * except.c (output_function_exception_table): Call
968 assemble_external_libcall if we need a personality function.
970 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
972 PR rtl-optimization/24460
973 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
974 set the basic block for barriers.
976 2005-10-21 Janis Johnson <janis187@us.ibm.com>
978 * var-tracking.c (vt_initialize): Initialize post.
980 2005-10-21 Devang Patel <dpatel@apple.com>
983 * c-common.c (vector_types_convertible_p): Check vector element type.
985 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
987 * config/sh/sh.c (prepare_move_operands): Handle the address
988 constant which is a tls symbolic address plus a constant.
990 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
993 * gcc.c (main): Use the correct counter for erroring out
994 about mulitple files.
996 2005-10-21 Alan Modra <amodra@bigpond.net.au>
999 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
1000 use r2 for 64-bit tls .got access.
1002 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
1004 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
1007 2005-10-20 Steven Bosscher <stevenb@suse.de>
1009 PR tree-optimization/24307
1010 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
1012 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
1015 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
1017 * varasm.c (find_decl_and_mark_needed): After cgraph global info
1018 is ready, stop marking functions, but still mark variables.
1020 2005-10-20 Richard Guenther <rguenther@suse.de>
1023 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
1026 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1028 PR rtl-optimization/23585
1029 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
1030 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
1031 (may_trap_p_1): New predicate extracted from...
1032 (may_trap_p): ... here. Invoke may_trap_p_1.
1033 (may_trap_or_fault_p): New predicate.
1034 * rtl.h (may_trap_or_fault_p): Declare it.
1035 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
1036 instead of may_trap_p.
1037 (steal_delay_list_from_fallthrough): Likewise.
1038 (fill_simple_delay_slots): Likewise.
1039 (fill_slots_from_thread): Likewise.
1040 * function.c (pad_to_arg_alignment): Rework comment about
1041 SPARC_STACK_BOUNDARY_HACK.
1042 * config/sparc/sparc.h: Likewise.
1044 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
1046 * config/s390/s390.c (s390_expand_insv): New.
1047 * config/s390/s390-protos.h (s390_expand_insv): Declare.
1048 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
1049 ("icm_hi"): Remove mode attribute.
1050 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
1052 ("*extracthi", "*extractqi"): Remove.
1053 (extv<mode>", "*extzv<mode>"): New.
1054 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
1055 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
1057 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1059 * cfgexpand.c (discover_nonconstant_array_refs_r,
1060 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
1061 (tree_expand_cfg): Call discover_nonconstant_array_refs.
1062 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
1063 discover_nonconstant_array_refs.
1065 2005-10-19 Steven Bosscher <stevenb@suse.de>
1068 * c-decl.c (pop_scope): Don't warn about an unused variable
1069 if it is marked with TREE_NO_WARNING.
1070 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
1071 somenow mismatch and olddecl is to be replaced.
1073 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
1076 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
1077 whether registers live on the edge can be saved/restored.
1079 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
1081 * config/sh/sh.c (fixup_mova): Skip notes.
1083 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1085 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
1086 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
1087 (s390_can_eliminate): Handle BASE_REGNUM elimination.
1088 (s390_initial_elimination_offset): Likewise.
1089 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
1090 register on TARGET_ZARCH targets.
1091 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
1092 (INITIAL_FRAME_POINTER_OFFSET): Remove.
1093 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
1094 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
1096 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1098 * config/s390/s390.md: Comment describing output modifiers updated.
1099 * config/s390/s390.c (print_operand): Likewise.
1101 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1103 * config/s390/s390.c (override_options): Added check for -mstack-size
1105 * doc/invoke.texi: Mention that limit in the documenation.
1107 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
1110 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
1112 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
1114 Fix PR tree-optimization/24231
1116 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
1117 (compute_avail): Ditto.
1119 2005-10-18 Richard Henderson <rth@redhat.com>
1122 * config/i386/i386.c (legitimate_constant_p): Check
1123 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
1125 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
1126 (legitimate_pic_address_disp_p): Reorg CONST checking to make
1127 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
1129 (print_operand_address): Likewise.
1130 * config/i386/predicates.md (x86_64_immediate_operand): Test
1131 SYMBOL_REF_TLS_MODEL properly inside CONST.
1132 (x86_64_zext_immediate_operand): Likewise.
1133 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
1134 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
1135 * config/i386/i386-protos.h: Remove predicates.md entries.
1137 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
1139 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1140 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
1142 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
1143 Ian Lance Taylor <ian@airs.com>
1146 * fold-const.c (fold_widened_comparison): Do not allow range based
1147 constant folding when right operand cannot be unwidened.
1149 2005-10-17 Richard Henderson <rth@redhat.com>
1151 * builtins.c (expand_builtin_synchronize): Build a new-style asm
1152 with a memory clobber.
1154 2005-10-17 James E Wilson <wilson@specifix.com>
1156 PR rtl-optimization/17356
1157 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
1158 checking for EDGE_EH.
1160 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1162 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
1163 the slot on an even boundary for any type with 16-byte alignment.
1165 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
1168 * md.texi (Modifiers) <%>: Clarify that % doesn't work
1169 after register allocation.
1171 2005-10-17 DJ Delorie <dj@redhat.com>
1173 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
1176 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
1179 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
1182 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
1184 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
1185 to 2 if it's already non-zero.
1186 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
1187 is set and warn about it if flag_schedule_insns is 1.
1189 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
1191 * config/crx/crx.md: Compare-and-branch instructions need to
1194 2005-10-17 Uros Bizjak <uros@kss-loka.si>
1197 * config/i386/i386.md (*pushdi2_rex64 splitter)
1198 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
1199 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
1200 flow2 pass only when (optimize > 0 && flag_peephole2).
1202 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
1205 * gcc.c (have_c): New static variable.
1207 (process_command): Remove declation of have_c.
1208 Set have_o to 1 when handling -o.
1209 (main): Add a fatel error if there are multiple
1210 files specified and -o and -c/-S is passed witout
1211 -combine or multiple languages.
1213 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
1215 Fix PR tree-optimization/22444
1216 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
1217 Assert that we don't hit something with subvars.
1218 (setup_pointers_and_addressables): Don't add things with subvars,
1219 because we'll already process the subvars for aliasing purposes.
1221 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
1224 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
1225 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
1226 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
1227 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
1228 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
1229 swapped, alternatives for the R constraint.
1232 * builtins.c (get_builtin_sync_mode): Make unlimited
1233 mode_for_size request.
1235 2005-10-15 Richard Henderson <rth@redhat.com>
1237 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
1238 (gimplify_expr): ... here.
1239 (gimplify_compound_lval): Use it in initial scan loop. Allow
1240 fb_lvalue in base expression.
1242 2005-10-15 Richard Henderson <rth@redhat.com>
1245 * builtins.c (expand_builtin_trap): Export.
1246 * expr.h (expand_builtin_trap): Declare.
1247 * expr.c (expand_assignment): Emit a trap for integral offsets
1248 from registers that weren't reduced to bitpos.
1250 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
1251 (mark_array_ref_addressable): Remove.
1252 * tree-flow.h (mark_array_ref_addressable): Remove.
1253 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
1255 2005-10-15 James E Wilson <wilson@specifix.com>
1258 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
1259 (add_dependence_list_and_free): Likewise.
1260 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
1263 2005-10-15 Diego Novillo <dnovillo@redhat.com>
1267 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
1268 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
1270 (vrp_visit_phi_node): Only prevent infinite iterations when
1271 the previous result and the new result are both VR_RANGEs.
1273 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
1275 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
1278 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1281 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
1284 2005-10-14 Per Bothner <per@bothner.com>
1286 PR preprocessor/21250
1287 * c-ppoutput.c (print_line): Print internal line 0 as 1.
1289 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
1292 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
1293 overflow flags. Refactor some conditionals.
1295 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
1298 * tree-dfa.c (add_referenced_var): Only look at decls which
1299 have TREE_CONSTANT or TREE_READONLY set instead of if
1300 !TREE_PUBLIC or !TREE_CONSTANT.
1302 2005-10-13 James E Wilson <wilson@specifix.com>
1304 * doc/invoke.texi: For -x, add f95-cpp-input.
1305 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
1307 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
1309 PR tree-optimization/24262
1310 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
1311 in loop all the time.
1313 2005-10-12 Richard Henderson <rth@redhat.com>
1316 * tree.h (DECL_TRANSPARENT_UNION): Remove.
1317 * function.c (assign_parm_find_data_types): Don't support it.
1318 * print-tree.c (print_node): Likewise.
1319 * c-common.c (handle_transparent_union_attribute): Likewise.
1320 Use build_duplicate_type.
1321 * tree-inline.c (remap_type_1): Split out of remap_type;
1322 properly remap aggregate fields.
1323 (build_duplicate_type): New.
1324 * doc/extend.texi (Variable Attributes): Remove documentation
1325 for transparent_union.
1327 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1330 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
1331 (gen_stack_pointer_dec): Likewise.
1333 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
1337 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
1339 (struct cxx): Add adjust_class_at_definition target hook.
1340 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
1341 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
1342 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
1343 hook_void_tree. Add to TARGET_CXX.
1344 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
1346 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
1347 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
1348 instead of attribute. Check for dllexport override. Warn if
1349 inconsistent dll linkage. Don't lose old dllimport if decl has
1350 had address referenced. Tweak lookup of dllimport atribute.
1351 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
1352 for target specific rules. Don't add dllimport attribute if
1353 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
1354 dllimport attribute.
1355 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
1356 * varasm.c (initializer_constant_valid_p): Replace
1357 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
1361 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
1362 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
1363 (i[34567]86-*-mingw32*): Likewise.
1365 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
1366 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
1368 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
1369 C++-specific code. Change return value to bool.
1370 (i386_pe_dllimport_p): Likewise.
1371 (associated_type): Simplify and make language-independent
1372 (i386_pe_encode_section_info): Replace override of ambiguous
1373 dllimport symbol refs with a gcc_assert.
1374 (i386_pe_valid_dllimport_attribute_p): Define.
1375 * config/i386/winnt-cxx.c: New file. Define C++ versions of
1376 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1377 i386_pe_adjust_class_at_definition.
1378 * config/i386/winnt-stubs.c: New file. Define stub versions of
1379 lang-specific functions.
1380 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
1381 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1382 i386_pe_adjust_class_at_definition.
1383 (i386_pe_valid_dllimport_attribute_p): Declare.
1384 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
1385 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
1386 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
1389 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
1390 dllimport attribute with test of DECL_DLLIMPORT_P.
1392 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
1394 * combine.c (make_extraction): Correct offset computation.
1396 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
1398 * config/cris/t-linux (LIMITS_H_TEST): Define.
1400 2005-10-12 Richard Henderson <rth@redhat.com>
1403 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
1405 2005-10-12 Richard Guenther <rguenther@suse.de>
1407 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
1409 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
1412 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
1413 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
1416 2005-10-12 Richard Guenther <rguenther@suse.de>
1419 * varasm.c (output_constant): Correct typo from previous
1422 2005-10-11 Ian Lance Taylor <ian@airs.com>
1424 PR rtl-optimization/13931
1425 * combine.c: Revert patch of 2003-05-14, and:
1426 (try_combine): Only set elim_i1 and elim_i2 if the destination is
1427 completely killed in the appropriate insn.
1428 (distribute_notes): Don't skip multiple hard register test for
1429 elim_i1 and elim_i2.
1431 2005-10-11 Richard Henderson <rth@redhat.com>
1434 * c-typeck.c (convert_for_assignment): Use build_constructor_single
1435 to initialize a transparent union instead of a nop_expr.
1437 2005-10-11 Richard Henderson <rth@redhat.com>
1439 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
1440 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
1441 (tree_ssa_dce_loop): Call scev_reset.
1444 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
1445 * tree-ssa-dce.c: Include cfgloop.h.
1446 (tree_ssa_dce_loop, pass_dce_loop): New.
1447 * tree-pass.h (pass_dce_loop): Declare it.
1448 * passes.c (init_optimization_passes): Use it.
1450 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1453 * convert.c (convert_to_real): Revert 2005-10-05 patch.
1454 Only apply the optimization for rounding builtins if the inner
1455 cast is also an extension.
1457 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
1460 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
1461 mark_new_vars_to_rename instead of update_stmt.
1463 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
1465 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
1467 2005-10-11 Jakub Jelinek <jakub@redhat.com>
1469 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
1470 for setting MMX register to 0 rather than mmx.
1472 2005-10-10 Steve Ellcey <sje@cup.hp.com>
1475 * configure.ac: Move gas check from mips specific case to common case.
1476 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
1477 * configure: Regenerate
1478 * doc/install.texi: Update.
1480 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1483 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
1485 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
1487 * gcc.c (do_spec_1): Accept numeric characters in file name
1490 2005-10-10 Nick Clifton <nickc@redhat.com>
1492 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
1493 describing the deleted arm_gen_rotated_half_load function.
1495 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
1497 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
1500 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
1502 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
1504 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
1505 (EXTRA_MULTILIB_PARTS): Define.
1506 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1507 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1508 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
1509 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1510 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1511 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
1513 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
1515 PR tree-optimization/24226
1516 * tree-cfg.c (remove_bb): Clean up unreachable loops.
1517 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
1518 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
1521 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1523 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
1525 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
1528 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
1529 Rewrite for no need for the early clobber.
1531 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1533 Merge from csl-arm-branch:
1534 2005-09-07 Paul Brook <paul@codesourcery.com>
1535 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
1538 2005-04-30 Paul Brook <paul@codesourcery.com>
1539 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
1540 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
1542 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
1543 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
1544 (arm_override_options): Use TARGET_AAPCS_BASED.
1545 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
1546 (PTRDIFF_TYPE): Use int for AAPCS.
1547 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
1548 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
1549 (DEFAULT_SHORT_ENUMS): Delete.
1550 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
1552 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
1553 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
1554 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
1555 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
1557 2004-12-03 Mark Mitchell <mark@codesourcery.com>
1558 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
1560 2004-11-22 Mark Mitchell <mark@codesourcery.com>
1561 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
1563 2004-11-19 Mark Mitchell <mark@codesourcery.com>
1564 * config.gcc (arm*-*-linux-gnueabi): Add it.
1565 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
1567 (TARGET_OS_CPP_BUILTINS): Likeiwse.
1568 * config/arm/linux-eabi.h: New file.
1569 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
1570 (LINUX_TARET_LINK_SPEC): Likewise.
1571 (LINK_SPEC): Use it.
1572 * config/arm/t-linux-eabi: New file.
1574 2005-10-08 Steven Bosscher <stevenb@suse.de>
1577 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
1579 (PARAM_SMS_DFA_HISTORY): Likewise.
1581 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1584 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
1585 (load_register_parameters): Call it.
1586 (check_sibcall_argument_overlap_1): Likewise.
1587 (store_one_arg): Likewise.
1589 2005-10-07 James E. Wilson <wilson@specifix.com>
1591 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
1592 DImode not VECINT24 for operand 2.
1595 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
1599 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
1600 fr_spill): Use destination_operand for operand 0.
1602 2005-10-07 DJ Delorie <dj@redhat.com>
1604 * varasm.c (output_constant): Limit error to expanding
1607 2005-10-07 Richard Guenther <rguenther@suse.de>
1610 * fold-const.c (fold_binary): Fix operand types during folding
1611 of X op (A, Y). Evaluation order of the side-effects of
1612 X and A are frontend-defined, so ensure we honour that even for
1613 tcc_comparison class operands; eased by removing duplicate code.
1615 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1617 * stor-layout.c (layout_type): Do not allow alignment of array
1618 elements to be greater than their size.
1620 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1622 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
1624 (hppa*-*-linux*): Ditto.
1625 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
1626 * config/host-hpux.c: New.
1627 * config/x-hpux: New.
1628 * config/pa/x-hpux: Remove.
1629 * config/pa/x-linux: Remove.
1630 * config/pa/pa-host.c: Remove.
1632 2005-10-07 Jeff Law <law@redhat.com>
1634 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
1635 determine whether or not to try and thread outgoing edges.
1637 2005-10-07 David Edelsohn <edelsohn@gnu.org>
1639 * config/rs6000/rs6000.md (eqsi_power): New.
1640 (neg_eq0si): Add TARGET_POWER to final condition.
1643 2005-10-06 Richard Henderson <rth@redhat.com>
1645 * config/rs6000/rs6000.c: Revert last change.
1647 2005-10-06 Richard Henderson <rth@redhat.com>
1649 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
1650 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
1652 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
1656 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
1657 out return_label and naked_return_label.
1659 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1661 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
1664 2005-10-06 Richard Henderson <rth@redhat.com>
1667 * tree-inline.c (declare_return_variable): Handle modify_dest not
1670 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1672 Fix PR tree-optimization/22488
1673 * tree-ssa-structalias.c (check_for_overlaps): New function.
1674 (create_variable_info_for): Use it.
1676 2005-10-06 Richard Henderson <rth@redhat.com>
1679 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
1680 (dwarf2out_start_source_file): Print it.
1682 2005-10-06 Geoffrey Keating <geoffk@apple.com>
1684 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
1686 2005-10-06 Richard Henderson <rth@redhat.com>
1689 * mode-switching.c (optimize_mode_switching): Clear transp bit
1690 for block with incomming abnormal edges.
1692 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
1693 (fpscr_set_from_mem): Use them.
1694 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
1695 (fpscr postinc splitters): Rewrite as peephole2+split.
1697 2005-10-06 David Edelsohn <edelsohn@gnu.org>
1699 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
1700 (eq<mode>_compare): Same.
1702 2005-10-06 Richard Guenther <rguenther@suse.de>
1704 PR tree-optimization/24238
1705 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
1707 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
1709 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
1710 here. Use AC_PATH_PROG for environment variables instead of
1712 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
1714 * configure: Regenerated.
1716 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
1719 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
1720 then force it into a register.
1721 (call_value): Likewise.
1723 2005-10-06 Richard Henderson <rth@redhat.com>
1726 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
1727 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
1728 under pass_vectorize.
1730 2005-10-05 Devang Patel <dpatel@apple.com>
1733 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
1734 handling constants. Check NAMESPACE_DECL context for constants.
1736 2005-10-05 Eric Christopher <echristo@apple.com>
1738 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
1740 2005-10-05 Richard Henderson <rth@redhat.com>
1743 * tree-cfg.c (mark_array_ref_addressable_1): New.
1744 (mark_array_ref_addressable): New.
1745 * tree-flow.h (mark_array_ref_addressable): Declare.
1746 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
1748 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
1752 * reload.c (subst_reloads): When adding a REG_LABEL to a
1753 jump instruction, also update JUMP_LABEL.
1755 2005-10-05 David Edelsohn <edelsohn@gnu.org>
1757 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
1758 * bb-reorder.c (copy_bb_p): Use it.
1759 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
1761 2005-10-05 Richard Henderson <rth@redhat.com>
1764 * toplev.c (process_options): Warn about unsupported combinations
1765 of unwind tables and omit-frame-pointer.
1766 * config/i386/i386.c (override_options): Similarly. Enable
1767 accumulate-outgoing-args if not explicitly disabled.
1769 2005-10-05 Steve Ellcey <sje@cup.hp.com>
1771 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
1772 Handle big endian vs. small endian.
1773 (vec_initv2sf): Handle big endian vs. small endian.
1774 (*vec_extractv2sf_1): Ditto.
1776 2005-10-05 Dale Johannesen <dalej@apple.com>
1778 * convert.c (convert_to_real): Don't convert
1779 (float)floor(double d) to floorf((float)d).
1781 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
1783 * config/arm/arm.md (insv): Use gen_int_mode in more places.
1785 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
1787 PR tree-optimization/18587
1788 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
1789 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
1790 build_vuses): Change to VEC type.
1791 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
1792 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
1793 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
1794 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
1795 (get_name_decl): New. Return DECL_UID of base variable.
1796 (operand_build_cmp): New. qsort comparison routine.
1797 (operand_build_sort_virtual): New. Sort virtual build vector.
1798 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
1799 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
1800 (FINALIZE_BASE): Use get_name_decl.
1801 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
1802 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
1803 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
1804 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
1805 direct VEC_* manipulations.
1806 (build_ssa_operands): Call operand_build_sort_virtual.
1807 (copy_virtual_operand, create_ssa_artficial_load_stmt,
1808 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
1809 with direct VEC_* manipulations.
1810 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
1811 with direct VEC manipulations.
1813 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
1815 PR tree-optimization/21419
1816 PR tree-optimization/24146
1817 PR tree-optimization/24151
1819 * c-typeck.c (readonly_error): Handle USE being lv_asm.
1820 (build_asm_expr): Call it if outputs are read-only.
1821 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
1823 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
1824 Paolo Bonzini <bonzini@gnu.org>
1828 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
1829 enable the instructions and not just the built-ins.
1830 * doc/invoke.texi (x86 Options): Likewise.
1832 2005-10-04 Geoffrey Keating <geoffk@apple.com>
1834 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
1836 * doc/invoke.texi (Option Summary): Correct spelling
1837 of -mmacosx-version-min.
1839 2005-10-04 Devang Patel <dpatel@apple.com>
1841 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
1844 2005-10-04 Steve Ellcey <sje@cup.hp.com>
1846 * tree-vect-transform.c (vect_create_epilog_for_reduction):
1847 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
1849 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
1851 * config/s390/s390.md ("TDSI","DP"): New mode macros.
1852 ("TE","tg"): New mode attributes.
1853 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
1854 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
1855 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
1856 dword_mode and one for GPRmode.
1858 2005-10-04 Ian Lance Taylor <ian@airs.com>
1860 PR preprocessor/13726
1861 * c-ppoutput.c (cb_include): Add comments parameter, and print out
1862 any comments passed in.
1864 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1866 * tree.c (annotate_with_file_line): Fix typo.
1868 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1871 * builtins.c (fold_builtin_memcmp): When constructing the pointer
1872 type used to access data in the inlined length == 1 case, use
1873 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
1874 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
1876 2005-10-04 Uros Bizjak <uros@kss-loka.si>
1878 * config/i386/i386.h (TARGET_FISTTP): Enable also for
1879 TARGET_SSE3 and only for TARGET_80387.
1880 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
1881 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
1882 Do not depend on TARGET_80387.
1884 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1886 * tree.c (last_annotated_node): Change type to location_t*.
1887 (annotate_with_file_line): Reflect the change of
1888 last_annotated_node type.
1890 2005-10-04 Richard Guenther <rguenther@suse.de>
1893 * c-decl.c (grokdeclarator): Don't write to fields
1896 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1899 * c-decl.c (finish_decl): Use set_user_assembler_name even for
1901 * varasm.c (make_decl_rtl): If a register variable does not
1902 have a set user assmbler name, error out.
1903 Decode the asmspec is now name+1 bypassing '*'.
1905 2005-10-04 Steven Bosscher <stevenb@suse.de>
1907 PR tree-optimization/23049
1908 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
1909 of a COND_EXPR is folded before calling fold on the whole rhs of a
1910 conditional assignment.
1911 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
1912 document that a COND_EXPR may appear there.
1914 2005-10-03 Diego Novillo <dnovillo@redhat.com>
1917 * tree-vrp.c (extract_range_from_assert): If the new numeric
1918 range created out of the assertion contradicts the existing
1919 numeric range of the ASSERT_EXPR variable, make the new range
1922 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
1924 * config/sh/sh.c (sh_register_move_cost): Add case for moving
1925 from T_REGS to FP register class.
1927 2005-10-03 Richard Henderson <rth@redhat.com>
1930 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
1931 before creating a new one.
1933 2005-10-03 David Edelsohn <edelsohn@gnu.org>
1935 * config/rs6000/t-aix43 (LDFLAGS): New.
1936 * config/rs6000/t-aix52 (LDFLAGS): New.
1938 2005-10-03 Ian Lance Taylor <ian@airs.com>
1940 * gimplify.c (find_single_pointer_decl_1): New static function.
1941 (find_single_pointer_decl): New static function.
1942 (internal_get_tmp_var): For a formal variable, set restrict base
1943 information if appropriate.
1944 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
1946 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
1947 (DECL_GET_RESTRICT_BASE): Define.
1948 (SET_DECL_RESTRICT_BASE): Define.
1949 (decl_restrict_base_lookup): Declare.
1950 (decl_restrict_base_insert): Declare.
1951 (struct tree_decl_with_vis): Add based_on_restrict_p field.
1952 * tree.c (restrict_base_for_decl): New static variable.
1953 (init_ttree): Initialize restrict_base_for_decl.
1954 (copy_node_stat): Copy restrict base information.
1955 (decl_restrict_base_lookup): New function.
1956 (decl_restrict_base_insert): New function.
1957 (print_restrict_base_statistics): New static function.
1958 (dump_tree_statistics): Call print_restrict_base_statistics.
1960 2005-10-02 Diego Novillo <dnovillo@redhat.com>
1963 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
1964 case of anti-ranges.
1966 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
1969 * c-typeck.c (tagged_tu_seen): Rename to ...
1970 (tagged_tu_seen_cache): this and add val field.
1971 (comptypes): Move functional to comptypes_internal
1972 and free tagged_tu_seen.
1973 (comptypes_internal): New function and call comptypes_internal
1974 instead of comptypes. Speed up by sibcalling
1975 tagged_types_tu_compatible_p.
1976 (alloc_tagged_tu_seen): New function
1977 (free_all_tagged_tu_seen_up_to): New function.
1978 (tagged_types_tu_compatible_p): Return the val of the seen two
1980 Add that the two types are the same to tagged_tu_seen_base
1981 if they are and call comptypes_internal instead of comptypes.
1982 <case UNION_TYPE>: Speed up common type where the fields are
1984 (function_types_compatible_p): Call comptypes_internal instead of
1986 (type_lists_compatible_p): Likewise.
1987 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
1989 2005-10-02 Matthias Klose <doko@debian.org>
1991 * doc/invoke.texi: Fix typo and speling error.
1993 2005-10-01 Richard Henderson <rth@redhat.com>
1995 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
1997 2005-10-01 Mark Mitchell <mark@codesourcery.com>
1999 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
2000 using --start-group and --end-group.
2002 2005-10-01 Diego Novillo <dnovillo@redhat.com>
2004 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
2005 FIXME note regarding quirky semantics.
2007 2005-10-01 Diego Novillo <dnovillo@redhat.com>
2010 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
2011 non-null range as a last resort.
2013 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
2014 Diego Novillo <dnovillo@redhat.com>
2017 * tree-vrp.c (extract_range_from_assert): For !=
2018 assertions, only build an anti-range if LIMIT is a
2019 single-valued range.
2021 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
2023 * arm.md (movqi): On thumb when optimizing, handle loading from
2024 memory by describing this as taking a subreg of a zero-extended load
2025 into an SImode register.
2028 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
2030 * reload1.c (merge_assigned_reloads): Do not change any
2031 RELOAD_FOR_OUTPUT_ADDRESS reloads.
2033 2005-09-30 Geoffrey Keating <geoffk@apple.com>
2035 * Makefile.in (LIPO_FOR_TARGET): Define.
2036 (STRIP_FOR_TARGET): Define.
2038 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
2039 before creating new ones. Do symlinks before creating the actual
2042 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
2043 to work out which multilibs are actually being built.
2045 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
2047 * tree-vect-transform.c, config/ms1/ms1.md,
2048 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
2049 Follow spelling conventions.
2050 * doc/invoke.texi, doc/md.texi: Fix typos.
2052 2005-09-30 Andrew Macleod <amacleod@redat.com>
2054 PR tree-optimization/21430
2055 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
2056 use operands, and set stmt pointer if need be.
2057 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
2058 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
2061 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2064 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
2066 2005-09-29 Mark Mitchell <mark@codesourcery.com>
2068 * optabs.c (expand_binop): Initialize first_pass_p.
2070 2005-09-29 Jakub Jelinek <jakub@redhat.com>
2073 * c-decl.c (c_write_global_declarations_1): If any
2074 wrapup_global_declaration_2 call returned true, restart the loop.
2076 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
2078 Fix PR tree-optimization/24117
2079 * tree-ssa-structalias.c (find_func_aliases): Strip nops
2080 before considering whether to use anyoffset.
2082 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
2086 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2088 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2090 (swap_commutative_operands_with_target): New.
2092 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
2095 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
2098 2005-09-29 Steven Bosscher <stevenb@suse.de>
2100 PR tree-optimization/23911
2101 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
2102 and IMAGPART_EXPR too.
2104 2005-09-28 Mark Mitchell <mark@codesourcery.com>
2107 * expmed.c (expand_shift): Move logic to reverse rotation
2108 direction when rotating by constants ...
2109 * optabs.c (expand_binop): ... here.
2110 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
2111 (ix86_rotrdi3): New pattern.
2112 (rotldi3): Handle 32-bit mode.
2113 (ix86_rotldi3): New pattern.
2115 2005-09-29 Alan Modra <amodra@bigpond.net.au>
2118 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
2119 check for numbers that need no bit twiddle.
2121 2005-09-28 Geoffrey Keating <geoffk@apple.com>
2123 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
2124 multilib to be built.
2126 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
2127 (stage1-start): Delete old libgcc and libunwind before moving
2128 anything into the stage directory.
2129 (stage2-start): Likewise.
2130 (stage3-start): Likewise.
2131 (stage4-start): Likewise.
2132 (stageprofile-start): Likewise.
2133 (stagefeedback-start): Likewise.
2134 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
2135 header in tm_file and CPU-specific t-darwin in tmake_file.
2136 (i[34567]86-*-darwin*): Don't change tm_file.
2137 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
2138 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
2139 shared library stub for target OS version.
2140 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
2141 (SHLIB_LINK): Don't make SHLIB_SOLINK.
2142 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
2143 (libgcc_s.%.dylib): New.
2145 (install-darwin-libgcc-stubs): New.
2146 (INSTALL_LIBGCC): New append.
2147 * config/i386/darwin-libgcc.10.4.ver: New.
2148 * config/i386/darwin-libgcc.10.5.ver: New.
2149 * config/i386/t-darwin: New.
2150 * config/rs6000/darwin-libgcc.10.4.ver: New.
2151 * config/rs6000/darwin-libgcc.10.5.ver: New.
2152 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
2153 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
2155 2005-09-28 Paul Brook <paul@codesourcery.com>
2157 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
2160 2005-09-28 Richard Guenther <rguenther@suse.de>
2162 PR tree-optimization/23853
2163 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
2164 host_integerp to verify misalignment value.
2166 2005-09-28 Richard Henderson <rth@redhat.com>
2168 * builtins.c (get_builtin_sync_mode): New.
2169 (expand_builtin_sync_operation): Pass in mode argument.
2170 (expand_builtin_compare_and_swap): Likewise.
2171 (expand_builtin_lock_test_and_set): Likewise.
2172 (expand_builtin_lock_release): Likewise.
2173 (expand_builtin): Update to match.
2175 2005-09-28 Nick Clifton <nickc@redhat.com>
2177 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
2178 formatting. Add check to PLUS case to ensure that the offset is
2179 within an acceptable range.
2181 * config/v850/v850.md (casesi): Disable the generation of the
2182 switch pattern as it is not being handled properly at the moment.
2184 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
2185 for when the high words are identical.
2187 2005-09-27 Richard Henderson <rth@redhat.com>
2189 * pretty-print.c (pp_base_format): Fix typo for %>.
2191 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
2192 Devang Patel <dpatel@apple.com>
2194 PR tree-optimization/23625
2195 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
2196 LABEL_EXPR, assertion check.
2198 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
2200 * optabs.c (no_conflict_move_test): Check if a result of a
2201 to-be-moved insn would be clobbered by an originally
2204 2005-09-27 Jeff Law <law@redhat.com>
2206 * passes.c (init_optimization_passes): Replace copy propagation
2207 passes immediately after DOM with phi-only copy propagation
2208 pases. Add phi-only copy propagation pass after first DOM pass.
2209 * tree-pass.h (pass_phi_only_copy_prop): Declare.
2210 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
2211 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
2212 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
2213 to init_copy_prop. Callers updated.
2214 (do_phi_only_copy_prop): New function.
2215 (pass_phi_only_copy_prop): New pass descriptor.
2217 2005-09-27 Nick Clifton <nickc@redhat.com>
2219 * libgcc2.c (__popcount_tab): Remove redundant prototype.
2221 2005-09-26 Jason Merrill <jason@redhat.com>
2224 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
2226 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
2228 2005-09-26 James E Wilson <wilson@specifix.com>
2230 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
2231 copyright. Add gcc copyright plus libgcc exception.
2232 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
2234 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
2236 2005-09-26 Jeff Law <law@redhat.com>
2238 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
2239 about when to iterate.
2241 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
2244 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
2245 for __complex__ double in -mcpu=G5 mode.
2247 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
2249 PR tree-optimization/23942
2250 * Makefile.in (SCEV_H): Depends on PARAMS_H.
2251 * tree-scalar-evolution.c: Include params.h.
2253 (follow_ssa_edge, follow_ssa_edge_in_rhs,
2254 follow_ssa_edge_in_condition_phi_branch,
2255 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
2256 Change return type to t_bool. Use a parameter to limit the size of
2257 trees that are walked before stopping
2258 (analyze_evolution_in_loop): Initialize the limit to 0.
2259 (follow_ssa_edge): Give up by returning t_dont_know if the limit
2260 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2262 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2265 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
2266 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
2268 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
2270 * combine.c (make_extraction): Check for valid use of subreg.
2272 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2275 * config/i386/i386.md ("*fistdi2_1"): New pattern.
2276 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
2277 ("fist<mode>2_with_temp"): Use only register operands.
2279 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
2281 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
2282 CALL_INSN_FUNCTION_USAGE.
2284 2005-09-26 Richard Guenther <rguenther@suse.de>
2287 * gcse.c: Include hashtab.h, define ldst entry hashtable.
2288 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
2289 (ldst_entry): Use the hashtable instead of list-walking.
2290 (find_rtx_in_ldst): Likewise.
2291 (free_ldst_entry): Free the hashtable.
2292 (compute_ld_motion_mems): Create the hashtable.
2293 (trim_ld_motion_mems): Remove entry from hashtable if
2294 removing it from list.
2295 (compute_store_table): Likewise^2.
2296 (store_motion): Free hashtable in case we did not see
2299 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
2301 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2302 and arg1 if we are passing them to fold_build2.
2304 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
2307 * config/i386/i386.c (ix86_function_regparm): Fix the test for
2310 2005-09-25 Richard Henderson <rth@redhat.com>
2312 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
2313 SYMBOL_REF_TLS_MODEL to be correct.
2315 2005-09-24 Richard Henderson <rth@redhat.com>
2317 * ipa-type-escape.c (discover_unique_type): Remove dead code at
2318 end of function. Reindent.
2320 2005-09-24 Ian Lance Taylor <ian@airs.com>
2322 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
2323 NEGATE_EXPR/BIT_NOT_EXPR case.
2325 2005-09-24 Richard Henderson <rth@redhat.com>
2327 * c-common.c (handle_mode_attribute): When not modifying in place,
2328 create subtypes for enumerations.
2329 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
2330 * gimplify.c (create_tmp_from_val): Likewise.
2332 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
2334 * config/i386/i386.md (*tls_global_dynamic_64,
2335 *tls_local_dynamic_base_64): Add missing mode to call.
2336 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
2338 2005-09-24 Jan Hubicka <jh@suse.cz>
2340 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
2341 (cgraph_clone_node): Likewise.
2342 * cgraph.h (cgraph_clone_edge): Update prototype.
2343 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
2344 duplicated prototypes; add updating argument.
2345 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
2346 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
2348 (cgraph_mark_inline_edge): Likewise.
2349 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
2350 (cgraph_flatten_node): Likewise.
2351 (cgraph_decide_recursive_inlining): Likewise.
2352 (cgraph_decide_inlining_of_small_function): Likewise.
2353 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2355 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2356 Pete Steinmetz <steinmtz@us.ibm.com>
2358 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
2359 (rldic.): Set type to "compare".
2361 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
2362 mfjmpr for MFCTR/MFLR.
2363 (movdf_hardfloat64): Same.
2364 (movdf_softfloat64): Same. Correct order of store and move types.
2365 (movti_string): Set type to store_ux/load_ux.
2366 (load_multiple): Set type to load_ux.
2367 (store_multiple): Set type to store_ux.
2368 (movmemsi): Set type to store_ux.
2369 (output_cbranch direct_return): Set type to jmpreg.
2370 (stmw): Set type to store_ux.
2371 (lmw): Set type to load_ux.
2372 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
2373 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
2374 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
2375 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
2376 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
2377 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
2378 (rios1-fpstore): Increase latency to 3.
2379 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
2380 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
2382 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2383 Andrew Pinski <pinskia@physics.uc.edu>
2385 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
2386 operand2 constraint to "b".
2387 (sync_<fetchop_name>di_internal): Same.
2388 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
2390 (sync_old_<fetchop_name>di_internal): Same.
2391 (sync_new_<fetchop_name>si_internal): Same.
2392 (sync_new_<fetchop_name>di_internal): Same.
2394 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
2397 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
2398 case, define as macros.
2400 PR rtl-optimization/23837
2401 * optabs.c (no_conflict_move_test): Don't set must_stay for a
2402 clobber / clobber match between dest and p->first.
2404 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
2405 (no_conflict_move_test): Update comments.
2407 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2409 * doc/install.texi: Update URL for Jacks.
2410 * doc/sourcebuild.texi: Likewise.
2412 2005-09-22 David Edelsohn <edelsohn@gnu.org>
2415 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
2416 registers when choosing register preferences.
2417 (movdf_hardfloat64): Same.
2419 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
2421 * expmed.c (expand_shift): Don't use the target of the rotate as
2422 target for the first expanded shift insn.
2423 * testsuite/gcc.dg/20050922-1.c: Testcase added.
2425 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
2427 PR tree-optimization/22438
2428 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
2429 preserved iv rhs rewriting specially.
2431 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
2433 * tree-data-ref.c (analyze_array_indexes): Only estimate when
2434 estimate_only is true.
2435 * tree-flow.h (ref_contains_indirect_ref): New prototype.
2436 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
2437 tree-ssa-structalias.c
2438 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
2439 ref_contains_indirect_ref.
2440 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
2442 2005-09-21 DJ Delorie <dj@redhat.com>
2444 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
2446 (mn10300_return_in_memory): Support variable size types also.
2447 (mn10300_pass_by_reference): Likewise.
2448 (mn10300_function_value): New.
2449 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
2450 (FUNCTION_OUTGOING_VALUE): Likewise.
2451 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
2452 * doc/invoke.texi: Document it.
2454 2005-09-21 Uros Bizjak <uros@kss-loka.si>
2457 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
2458 force integer op1 into register for XFmode compares.
2460 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2463 * expmed.c (alg_code): Add alg_impossible.
2464 (alg_hash_entry): Add cost.
2465 (synth_mult): Record alg_impossible in the hash table if
2466 multiplication by a given integer is impossble within the
2467 limit. Speed up using alg_impossible.
2469 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2471 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
2472 argument. Allow and set any offset if needs_anyoffset is passed
2474 (get_constraint_for): Add argument here too.
2476 (do_structure_copy): Pass NULL to get_constraint_for.
2477 (handle_ptr_arith): Ditto.
2478 (find_func_aliases): Ditto.
2480 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
2482 PR rtl-optimization/23898
2483 * output.h (get_attr_min_length): Declare.
2484 * final.c (get_attr_length_1): New function, broken out of:
2486 (get_attr_min_length): New function.
2487 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
2488 (duplicate_computed_gotos): Likewise.
2489 * genattr.c (insn_min_length): Generate declaration.
2490 * genattrtab.c (min_fn, min_attr_value): New functions.
2491 (make_length_attrs): Generate insn_min_length.
2493 2005-09-20 Steve Ellcey <sje@cup.hp.com>
2495 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
2497 2005-09-20 Richard Henderson <rth@redhat.com>
2499 PR tree-optimization/24059
2500 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
2503 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
2505 * c.opt (fextended-identifiers): New.
2506 * c-opts.c (c_common_handle_option): Handle
2507 -fextended-identifiers.
2508 * doc/cpp.texi: Update documentation of extended identifiers.
2509 * doc/cppopts.texi (-fextended-identifiers): Document.
2511 2005-09-20 Jakub Jelinek <jakub@redhat.com>
2513 PR tree-optimization/23929
2514 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
2517 PR tree-optimization/23818
2518 * tree-stdarg.c (execute_optimize_stdarg): Call
2519 calculate_dominance_info.
2521 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2523 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
2524 (analyze_siv_subscript_cst_affine): Add weak SIV test.
2525 (compute_overlap_steps_for_affine_1_2): Use
2526 get_number_of_iters_for_loop.
2527 (analyze_subscript_affine_affine): Check whether difference is
2529 Use get_number_of_iters_for_loop.
2530 Check whether overlap occurs outside of bounds.
2531 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
2533 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
2535 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
2536 base register if possible.
2538 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
2540 PR tree-optimization/18463
2541 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
2542 converting it directly is not possible.
2543 (chrec_convert_aggressive): New function.
2544 * tree-chrec.h (chrec_convert_aggressive): Declare.
2545 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
2546 Fold chrec conversions aggressively if asked to.
2547 (instantiate_parameters): Modified because of changes in
2548 instantiate_parameters_1.
2550 2005-09-19 Richard Henderson <rth@redhat.com>
2552 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
2553 (reduc_splus_v2df): New.
2555 2005-09-19 Richard Sandiford <richard@codesourcery.com>
2557 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
2558 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
2560 2005-09-19 Richard Henderson <rth@redhat.com>
2562 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
2565 2005-09-19 Richard Henderson <rth@redhat.com>
2567 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
2568 (ia64_expand_dot_prod_v8qi): New.
2569 * config/ia64/ia64-protos.h: Update.
2570 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
2571 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
2572 sdot_prodv8qi, sdot_prodv4hi): New.
2573 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
2575 2005-09-19 Richard Henderson <rth@redhat.com>
2578 * real.c (exact_real_truncate): Return false if the format cannot
2579 represent the number as a normal.
2581 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
2582 for a memory source.
2584 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
2586 * tree-ssa-operands.c (swap_tree_operands): Export.
2587 * tree.h (swap_tree_operands): Declare.
2588 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
2589 Call swap_tree_operands.
2591 2005-09-19 Richard Henderson <rth@redhat.com>
2593 * tree-flow.h (merge_alias_info): Declare.
2594 * tree-ssa-copy.c (merge_alias_info): Export.
2595 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
2596 (vect_create_data_ref_ptr): Use create_iv directly.
2597 (vectorizable_load): Use correct types for integer constants.
2598 (vect_generate_tmps_on_preheader): Likewise.
2599 (vect_gen_niters_for_prolog_loop): Likewise.
2601 2005-09-19 Steven Bosscher <stevenb@suse.de>
2603 PR rtl-optimization/23943
2604 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
2606 2005-09-18 Jan Hubicka <jh@suse.cz>
2608 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
2610 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
2612 * varasm.c (output_constant): Do not abort on conversions to union
2613 types between different sizes.
2615 2005-09-18 Richard Guenther <rguenther@suse.de>
2618 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
2621 2005-09-18 Paul Brook <paul@codesourcery.com>
2623 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
2625 2005-09-17 Richard Henderson <rth@redhat.com>
2627 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
2628 * tree-ssa-loop.c (pass_vect_dce): Remove.
2629 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
2632 2005-09-17 Richard Henderson <rth@redhat.com>
2634 * tree-pass.h (pass_vect_dce): Declare.
2635 * passes.c (init_optimization_passes): Add it.
2636 * tree-flow.h (tree_ssa_dce): Declare.
2637 * tree-ssa-dce.c (tree_ssa_dce): Export.
2638 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
2639 (gate_tree_vectorize): ... here.
2640 (pass_vect_dce): New.
2642 2005-09-17 Jan Hubicka <jh@suse.cz>
2644 * except.c (struct eh_status): Turn region_array into vec.
2645 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
2646 convert_from_eh_region_ranges, find_exception_handler_labels,
2647 current_function_has_exception_handlers, assign_filter_values,
2648 build_post_landing_pads, dw2_build_landing_pads,
2649 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
2650 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
2651 foreach_reachable_handler, can_throw_internal_1,
2652 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
2654 (duplicate_eh_region_1): Update region_array.
2655 (duplicate_eh_regions): Resize region_array and avoid recomputing.
2657 2005-09-17 David Edelsohn <edelsohn@gnu.org>
2660 * expmed.c (expand_mult): Substitute simple register for op0 when
2663 2005-09-17 Richard Henderson <rth@redhat.com>
2665 * expr.c (emit_move_via_integer): Add force argument, pass it on
2666 to emit_move_change_mode. Update callers.
2667 (emit_move_complex): Pass true to new force argument.
2668 * function.c (expand_function_end): Move expand_eh_return call
2669 earlier. Merge sub-word complex values into a pseudo before
2670 copying to the return hard register.
2672 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
2674 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
2675 between different sizes.
2677 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
2681 * passes.c (init_optimization_passes): Register dump files for
2684 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
2686 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
2687 * config/s390/s390.c (s390_overlap_p): New function.
2688 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
2689 peephole2, "*xc" peephole2): Added overlap check to the peephole2
2692 2005-09-16 Richard Guenther <rguenther@suse.de>
2694 * ipa-pure-const.c (static_execute): Free auxiliar information.
2695 * ipa-type-escape.c (discover_unique_type): Free temporary key.
2696 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
2698 2005-09-15 DJ Delorie <dj@redhat.com>
2700 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
2702 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2704 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2706 (swap_commutative_operands_with_target): New.
2708 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
2710 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
2713 (estimate_iters_using_array): New function.
2714 * tree-data-ref.h (estimate_iters_using_array): Prototype
2715 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2716 Use estimate_iters_using_array instead of analyze_array.
2718 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
2720 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
2723 2005-09-15 Michael Matz <matz@suse.de>
2725 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
2727 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
2729 PR tree-optimization/23835
2730 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
2731 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
2733 2005-09-14 Richard Henderson <rth@redhat.com>
2735 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
2736 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
2738 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
2740 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
2741 in the ARRAY_TYPE case.
2743 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
2745 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
2747 2005-09-14 Uros Bizjak <uros@kss-loka.si>
2750 * tree-vect-transform.c (vectorizable_operation): Return false for
2751 scalar shift operations and for vector shift operations with
2752 non-invariant shift arguments. Use scalar tree operand op1 as
2753 a shift operand when vector shift insn pattern uses scalar shift
2755 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
2757 2005-09-14 Olivier Hainque <hainque@adacore.com>
2759 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
2760 value if it has side-effects.
2762 2005-09-14 David Edelsohn <edelsohn@gnu.org>
2765 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
2767 2005-09-14 Alan Modra <amodra@bigpond.net.au>
2769 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
2770 passed as NAME as if it were label at start of function code.
2772 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
2774 * config/sh/sh.md (*movv4sf_i): Add general register cases to
2777 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2779 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
2780 as early clobber. Rewrite so the PIC register is not implicitly used.
2782 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2784 * tree.c (annotate_with_file_line): Compare line numbers before
2787 2005-09-13 Uros Bizjak <uros@kss-loka.si>
2790 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
2791 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
2793 2005-09-13 Ian Lance Taylor <ian@airs.com>
2795 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
2796 than a HOST_WIDEST_INT to gen_doloop_begin.
2798 2005-09-13 Diego Novillo <dnovillo@redhat.com>
2800 * tree-dfa.c (dump_variable): Guard against NULL annotations.
2802 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
2804 PR tree-optimize/23817
2805 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
2807 2005-09-13 Alan Modra <amodra@bigpond.net.au>
2810 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
2811 word before changing the stack pointer. Use gen_frame_mem for MEMs.
2812 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
2813 (restore_stack_nonlocal): Likewise.
2814 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
2816 2005-09-12 Ian Lance Taylor <ian@airs.com>
2819 * c.opt (ffriend-injection): New C++ option.
2820 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
2821 (C++ Dialect Options): Document -ffriend-injection.
2823 2005-09-12 Josh Conner <jconner@apple.com>
2826 * ipa-reference.c (static_execute): Don't mark variables in
2827 named sections TREE_READONLY.
2829 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2831 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
2834 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2836 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
2837 V_MUST_DEF instead of just the first_use_p.
2838 Don't mark the virtual variables for renaming on the statement which
2840 (pass_dse): Remove TODO_update_ssa.
2842 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
2845 * stor-layout.c (compute_record_mode): For records with a single
2846 field, actually check the field's mode size against the type size.
2848 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
2849 registers for TARGET_SHMEDIA.
2850 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
2851 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
2852 of GENERAL_REGS and FP_REGS.
2854 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
2856 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
2858 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2860 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
2861 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
2862 are omitted. Exclude stack_tie insn too.
2864 2005-09-11 David Edelsohn <edelsohn@gnu.org>
2866 PR rtl-optimization/23098
2867 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
2869 * config/rs6000/rs6000.md (movdf splitter): Use
2870 const_double_operand predicate for TARGET_POWERPC64.
2871 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
2872 SYMBOL_REF method to ABI_V4.
2874 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
2875 replace_equiv_address.
2876 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
2877 rs6000_sr_alias_set and MEM_NOTRAP.
2878 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
2880 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
2882 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
2883 handle CALL_EXPR again.
2885 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
2887 * arm/predicates.md (alignable_memory_operand): Delete.
2889 2005-09-10 Richard Henderson <rth@redhat.com>
2892 * dbxout.c (dbxout_expand_expr): New.
2893 (dbxout_symbol): Use it.
2895 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
2897 * arm.c (arm_gen_rotated_half_load): Delete.
2898 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
2899 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
2900 (thumb_set_return_address): Likewise.
2901 (thumb_load_double_from_address): Use adjust_address.
2902 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
2903 (extendhsisi2_mem, movhi_bytes): Use change_address.
2904 (movhi): Use widen_memory_access.
2905 (reload_out_df): Use replace_equiv_address.
2906 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
2908 2005-09-09 Richard Henderson <rth@redhat.com>
2911 * dbxout.c: Include expr.h.
2912 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
2913 (dbxout_symbol): Handle DECL_VALUE_EXPR.
2914 * Makefile.in (dbxout.o): Add EXPR_H.
2916 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
2918 PR tree-optimization/23509
2919 * tree-cfg.c (replace_uses_by): Use replace_exp.
2920 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
2921 pointers have name_mem_tag or type_mem_tag set.
2923 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2925 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
2926 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
2927 of wrongly accessing operands.
2929 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2931 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
2932 * tree-chrec.c: Include tree-scalar-evolution.h.
2933 (chrec_convert): Instantiate the base and step before calling
2934 scev_probably_wraps_p that would fail on parametric evolutions.
2935 Collect all the fails into a single section failed_to_convert,
2936 print a diagnostic, and return chrec_dont_know instead of calling
2938 * tree-scalar-evolution.c (loop_closed_phi_def): New.
2939 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
2941 (scev_const_prop): Don't replace the definition of a loop closed ssa
2942 phi node by itself, or by another loop closed ssa phi node.
2943 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
2944 that base and step are defined.
2946 2005-09-09 Richard Guenther <rguenther@suse.de>
2949 * fold-const.c (fold_ternary): Check truth_value_p before
2950 calling invert_truthvalue.
2952 2005-09-09 Nick Clifton <nickc@redhat.com>
2954 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
2955 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
2956 dimension of these arrays.
2957 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
2959 * longlong.h: Only provide a prototype for the __clz_tab[] array
2960 if this header has not been included from libgcc2.h.
2961 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
2963 Provide prototypes for exported functions.
2964 Use the __clz_tab[] and __popcount_tab[] arrays provided by
2967 2005-09-08 Josh Conner <jconner@apple.com>
2971 * expr.c (expand_expr_addr_expr_1): Don't invoke
2972 expand_simple_binop for EXPAND_INITIALIZER.
2974 2005-09-08 Richard Henderson <rth@redhat.com>
2977 * toplev.c (wrapup_global_declaration_1): Split out ...
2978 (wrapup_global_declaration_2): ... from ...
2979 (wrapup_global_declarations): ... here. Return bool.
2980 (check_global_declaration_1): Split out ...
2981 (check_global_declarations): from here.
2982 (emit_debug_global_declarations): New.
2983 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
2984 check_global_declaration_1, emit_debug_global_declarations): Declare.
2985 * c-decl.c (c_write_global_declarations_1): Don't create a vector
2986 of decls. Call wrapup_global_declaration_1,
2987 wrapup_global_declaration_2, check_global_declaration_1 directly.
2988 (c_write_global_declarations_2): New.
2990 (c_write_global_declarations): Call c_write_global_declarations_2.
2991 * langhooks.c (write_global_declarations): Call
2992 emit_debug_global_declarations.
2994 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
2995 remove decls that have DECL_RTL_SET_P.
2996 * passes.c (rest_of_decl_compilation): Invoke
2997 cgraph_varpool_finalize_decl for all but functions.
2999 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
3001 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
3002 the result of a conversion if the new min and max cannot be compared.
3004 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
3006 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
3007 (override_options): Setting s390_sr_alias_set removed.
3008 (save_fpr, save_gprs): Set alias set to vararg or frame.
3009 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
3010 s390_sr_alias_set with get_frame_alias_set ().
3011 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
3012 get_varargs_alias_set ().
3014 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
3018 * c-parser.c (c_parser_objc_method_definition): If the next
3019 token is not "{", error out and don't start the function.
3021 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
3023 * tree-vrp.c (extract_range_from_expr): Move the check for non
3024 nullness after the check for gimple invariant.
3026 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3028 * tree.c (host_integerp, tree_low_cst): Correct function comment.
3030 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3033 * config/m32r.md (movmemsi_internal): Canonicalize order of
3034 operands in PLUS component of template.
3036 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
3038 * reload1.c (fixup_eh_region_note): Remove assertion.
3039 (fixup_abnormal_edges): Reverted removal of call to
3040 find_many_sub_basic_blocks made on 2005-08-31.
3042 2005-09-07 Richard Henderson <rth@redhat.com>
3044 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
3045 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
3046 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
3047 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
3048 rearrange for better packing.
3049 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
3050 (lookup_cfa_1): Remove inline marker.
3051 (cfa_equal_p): Split out of ...
3052 (def_cfa_1): ... here. Use INVALID_REGNUM.
3053 (build_cfa_loc): Handle !cfa->indirect.
3054 (frame_pointer_cfa_offset): New.
3055 (dbx_reg_number): Assert register elimination performed; do
3056 leaf register remapping.
3057 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
3058 (eliminate_reg_to_offset): New.
3059 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
3060 for verifiably local stack frame addresses; re-base to CFA.
3061 (mem_loc_descriptor): Remove can_use_fbreg argument.
3062 (concat_loc_descriptor, loc_descriptor): Likewise.
3063 (containing_function_has_frame_base): Remove.
3064 (rtl_for_decl_location): Don't do register elimination or
3065 leaf register remapping here.
3066 (secname_for_decl): Split out from ..
3067 (add_location_or_const_value_attribute): ... here.
3068 (convert_cfa_to_loc_list): New.
3069 (compute_frame_pointer_to_cfa_displacement): New.
3070 (gen_subprogram_die): Use them.
3071 * tree.h (frame_base_decl): Remove.
3072 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
3073 (prologue_stack_adjust): Remove.
3074 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
3075 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
3076 (set_frame_base_location): Remove.
3077 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
3078 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
3079 (vt_add_function_parameters): Don't eliminate_regs.
3080 (vt_initialize): Don't create frame_base_decl.
3082 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3084 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
3085 version of GNU binutils for 4.x and later.
3087 2005-09-06 Mark Mitchell <mark@codesourcery.com>
3089 * ggc-page.c (ggc_push_context): Remove.
3090 (ggc_pop_context): Likewise.
3091 * ggc.h (ggc_push_context): Remove.
3092 (ggc_pop_context): Likewise.
3094 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3097 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
3098 returning from an interrupt handler.
3100 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3103 * config/arc/arc.c (output_shift): Add check for loop count when
3106 2005-09-06 Steven Bosscher <stevenb@suse.de>
3108 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
3110 (abs_replacement): Likewise.
3111 (pass_phiopt): Remove TODO_update_ssa.
3113 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3116 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
3117 if "return with no value, in function returning non-void" warning
3119 * tree-cfg.c (execute_warn_function_return): Don't look at
3120 RETURN_EXPRs with TREE_NO_WARNING set.
3123 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
3124 for internal functions doesn't use registers used by global registers
3125 variables. Use fewer register parameters if there are global register
3128 2005-09-06 Olivier Hainque <hainque@adacore.com>
3129 Eric Botcazou <ebotcazou@adacore.com>
3132 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
3133 when we would be extracting outside its bit span (bitpos+bitsize
3134 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
3135 Ada unchecked conversions.
3137 2005-09-06 Steven Bosscher <stevenb@suse.de>
3139 * tree-ssa-pre.c (try_look_through_load): New function.
3140 (compute_avail): Use it to try to look through loads for some
3141 more useful expressions.
3143 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3145 * simplify-rtx.c (simplify_binary_operation_1): Correct the
3146 condition for detecting cases like (a&a) and (a^a).
3148 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
3150 * common.opt: Add option ftree-vect-loop-version.
3151 * params.def: Add --param vect-max-version-checks.
3152 * doc/invoke.texi: Document ftree-vect-loop-version and
3153 --param vect-max-version-checks.
3154 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
3155 may_misalign_stmts and defines for accessors.
3156 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
3157 LOOP_VINFO_MAY_MISALIGN_STMTS.
3158 (destroy_loop_vec_info): VEC_free for
3159 LOOP_VINFO_MAY_MISALIGN_STMTS.
3160 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3161 Update documentation.
3162 (vect_update_misalignment_for_peel): New.
3163 (vect_enhance_data_refs_alignment): Update to choose loop
3164 peeling or loop versioning if appropriate for the (potentially)
3165 unaligned data references in the loop.
3166 (vect_analyze_data_refs_alignment): Remove call to
3167 vect_enhance_data_refs_alignment so the checks can be done
3169 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
3170 and move up call to vect_analyze_data_refs_alignment.
3171 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
3172 (vect_transform_loop): Add call to loop_version.
3174 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3176 PR rtl-optimization/23098
3177 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
3178 * simplify-rtx.c (constant_pool_reference_p): New function.
3179 * rtl.h (constant_pool_reference_p): New prototype.
3180 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
3181 constant_pool_reference_p in condition and
3182 avoid_constant_pool_reference in preparation statements.
3184 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
3186 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
3187 STRICT_LOW_PART SETs.
3189 2005-09-06 Alan Modra <amodra@bigpond.net.au>
3192 * except.c (sjlj_emit_function_enter): Find the function begin
3193 note even when it's not in first basic block.
3195 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
3197 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
3198 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
3199 * aclocal.m4: Regenerate.
3201 2005-09-05 DJ Delorie <dj@redhat.com>
3203 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
3206 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
3208 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
3209 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
3210 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
3211 Follow spelling conventions.
3212 * doc/invoke.texi: Follow spelling conventions.
3214 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3216 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
3217 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
3218 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
3220 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3223 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
3224 (output_stack_adjust): Use gen_tmp_stack_mem.
3225 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
3226 (sh_set_return_address, sh_allocate_initial_value): Likewise.
3227 (sh_get_pr_initial_val): Likewise.
3228 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
3229 (sh_initialize_trampoline): Likewise. Also use adjust_address.
3230 * sh.md (divsi_inv_m0): Use gen_const_mem.
3231 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
3232 (movdf_i4+1): Use gen_tmp_stack_mem.
3233 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
3234 (fpu_switch+2): Likewise.
3235 (movv4sf_i, movv16sf_i): Use adjust_address.
3236 (symGOT_load): Set MEM_NOTRAP_P bit.
3238 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3241 * pa.c (emit_move_sequence): Fix typo in last change.
3243 2005-09-03 Jakub Jelinek <jakub@redhat.com>
3245 PR rtl-optimization/23454
3246 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
3249 2005-09-03 Richard Henderson <rth@redhat.com>
3250 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3253 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
3256 2005-09-02 Nicolas Pitre <nico@cam.org>
3258 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
3259 to bit_count to 32 bits.
3261 2005-08-31 Mark Mitchell <mark@codesourcery.com>
3264 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
3265 generating synthetic loads from volatile lvalues.
3267 005-09-02 Nick Clifton <nickc@redhat.com>
3269 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
3270 __ctzhi2, __clzhi2): New functions.
3272 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
3275 * tree-nested.c (struct var_map_elt): Mark with GTY.
3276 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
3278 (lookup_field_for_decl): Allocate new element in GC memory.
3279 (lookup_tramp_for_decl): Likewise.
3280 (convert_nl_goto_reference): Likewise
3281 (create_nesting_tree): Allocate info in GC memory. Likewise for
3283 (free_nesting_tree): Free with ggc_free instead of free.
3284 (root): New static variable.
3285 (lower_nested_functions): Remove root as local variable. And zero out
3286 root at the end of the function.
3288 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
3290 PR rtl-optimization/20365
3291 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
3292 to short. New member ix.
3293 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
3294 (simplify_plus_minus): Initialize ix members before calling qsort.
3296 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
3298 PR tree-optimization/23626
3299 * tree-cfg.c (replace_uses_by): Clean up eh info.
3301 2005-09-01 DJ Delorie <dj@redhat.com>
3303 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
3306 2005-09-01 David Edelsohn <edelsohn@gnu.org>
3308 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
3309 (rs6000_split_multireg_move): Use replace_equiv_address instead of
3312 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
3314 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
3315 do not issue warning for a variable definition following
3318 2005-09-01 Richard Henderson <rth@redhat.com>
3321 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
3322 conversion to CONST_VECTOR.
3324 2005-09-01 Richard Henderson <rth@redhat.com>
3327 * reload1.c (reload_as_needed): Check !CALL_P before calling
3328 fixup_eh_region_note.
3329 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
3331 2005-09-01 DJ Delorie <dj@redhat.com>
3333 * varasm.c (output_constant): Let the target resolve
3334 conversions of addresses to non-default pointer sizes.
3336 2005-09-01 Nicolas Pitre <nico@cam.org>
3338 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
3339 to alow matching ARM pre-indexed addressing mode.
3340 (arm_override_options): Remove now irrelevant comment.
3342 2005-09-01 Phil Edwards <phil@codesourcery.com>
3344 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
3345 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
3346 * config/i386/vxworks.h: Likewise.
3347 * config/i386/t-vxworksae: New file, for VxWorks AE.
3348 * config/i386/vxworksae.h: Likewise.
3350 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
3352 PR tree-optimization/23410
3353 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
3354 sequence is not wrapping during the first step.
3356 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3359 * dwarf2out.c (base_type_die): Compare char_type_node with
3360 TYPE_MAIN_VARIANT (type), not type.
3362 2005-09-01 Richard Guenther <rguenther@suse.de>
3364 PR tree-optimization/15366
3365 * common.opt: Add -finline-functions-called-once.
3366 Put -fearly-inlining in alphabetically ordered place.
3367 * doc/invoke.texi: Document new option.
3368 * ipa-inline.c (cgraph_decide_inlining): Honour
3369 flag_inline_functions_called_once.
3371 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3373 PR rtl-optimization/23478
3374 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
3375 (alloc_qty): Initialize it.
3376 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
3377 (combine_regs): Combine also n_throwing_calls_crossed fields.
3378 (find_free_reg): Don't attempt to caller-save pseudos crossing
3379 calls that might throw.
3380 * global.c (struct allocno): Add throwing_calls_crossed field.
3381 (global_alloc): Revert 2005-08-22 change. Initialize
3382 throwing_calls_crossed.
3383 (find_reg): Don't attempt to caller-save pseudos crossing calls that
3386 2005-09-01 Alan Modra <amodra@bigpond.net.au>
3389 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
3390 (mask64_operand): Reinstate code prior to 2005-06-11 change.
3391 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
3392 (and64_2_operand): Tweak to use predicate.
3393 (and_operand): Adjust for mask_operand changes.
3394 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
3395 (print_operand): Likewise.
3396 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
3397 (mask64_1or2_operand): Delete.
3398 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
3399 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
3400 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
3401 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
3402 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
3403 (rotldi3_internal4): Likewise.
3404 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
3405 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
3406 (ashldi3_internal7): Likewise.
3407 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
3408 (ashldi3_internal, ashldi3_internal9 split): Likewise.
3409 (anddi3 split): Don't match mask64_operand.
3410 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
3411 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
3412 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
3413 't' splitter predicate.
3414 (movdi_internal64 + 2): Revert 2005-06-11 change.
3416 2005-08-31 DJ Delorie <dj@redhat.com>
3418 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
3419 (m32c_asm_integer): Add support for 32 bit pointers.
3421 2005-08-31 Richard Henderson <rth@redhat.com>
3423 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
3424 component-like references for setting MEM_NOTRAP_P.
3426 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
3427 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
3429 2005-08-31 Richard Henderson <rth@redhat.com>
3431 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
3432 into a pseudo before applying gen_lowpart.
3434 2005-08-31 Geoffrey Keating <geoffk@apple.com>
3436 * doc/install.texi (Specific): Update cctools version required
3437 for full functionality.
3438 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
3439 linkers as -macosx_version_min.
3441 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
3444 * sh.c (print_operand, %R and %S): Add handling of floating point
3445 registers, memory, constants and invalid operands.
3447 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
3449 * ipa-pure-const.c: Change dump name.
3451 2005-08-31 Uros Bizjak <uros@kss-loka.si>
3454 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
3455 to "reg_or_0_operand".
3456 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
3458 2005-08-31 Dale Johannesen <dalej@apple.com>
3460 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
3461 loops that count down.
3463 2005-08-31 Richard Henderson <rth@redhat.com>
3466 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
3467 (fixup_eh_region_note): New.
3468 (reload_as_needed): Call it.
3469 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
3470 don't call find_many_sub_basic_blocks; call verify_flow_info.
3471 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
3472 (keep_stack_depressed): Likewise.
3473 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
3475 2005-08-31 Richard Henderson <rth@redhat.com>
3477 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
3480 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
3482 * expr.c (expand_expr_real_1): Compare size of address
3483 mode to target's address mode size in deciding expansion of
3484 the constant address.
3486 2005-08-31 Richard Guenther <rguenther@suse.de>
3489 * expr.c (all_zeros_p): New function.
3490 (expand_expr_real_1): Handle the case of an all-zero
3491 non-addressable constructor separately.
3493 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
3495 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
3496 arguments, adjust all callers.
3497 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
3499 2005-08-30 Richard Henderson <rth@redhat.com>
3502 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
3503 whenever the mode sizes match.
3505 2005-08-31 Alan Modra <amodra@bigpond.net.au>
3507 * calls.c (load_register_parameters): Fix comment typo.
3508 * expr.c (emit_push_insn): Comment formatting.
3510 2005-08-30 Ian Lance Taylor <ian@airs.com>
3512 * config/i386/x-cygwin (host-cygwin): Change dependency from
3513 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
3515 2005-08-29 Geoffrey Keating <geoffk@apple.com>
3517 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
3520 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3523 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
3524 call to ggc_collect.
3526 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
3529 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
3530 beginning. Remove $(INCLUDES) from all the rules, if following
3531 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
3533 2005-08-29 Jakub Jelinek <jakub@redhat.com>
3536 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
3537 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
3538 not constant, but maxlen is, don't set len to maxlen, rather
3539 set maxlen to len if len is a constant.
3541 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
3543 PR tree-optimization/23475
3544 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
3547 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
3549 Fix PR middle-end/22455
3551 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
3552 Checksum only the parts of the tree that exist for the tree code.
3554 2005-08-28 Dale Johannesen <dalej@apple.com>
3556 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
3558 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
3560 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
3562 2005-08-28 Richard Henderson <rth@redhat.com>
3564 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
3565 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
3568 2005-08-28 Jakub Jelinek <jakub@redhat.com>
3571 * builtins.c (get_memory_rtx): Don't strip nops
3572 in between COMPONENT_REFs.
3574 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
3577 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
3579 (gimplify_modify_expr): Check for zero sized types and gimplify the
3580 rhs and lhs as statements.
3582 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
3585 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
3586 state for return address column of signal frames.
3588 2005-08-27 David Edelsohn <edelsohn@gnu.org>
3591 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
3592 bytes >= 2 not bytes == 2.
3593 (expand_block_move): Same.
3595 2005-08-27 Richard Guenther <rguenther@suse.de>
3598 * config/i386/sse.md (sse2_movsd): Add missing closing
3601 2005-08-27 Paul Brook <paul@codesourcery.com>
3603 * genrecog.c (enum decision_type): Add DT_num_insns.
3604 (struct decision_test): Add u.num_insns.
3605 (add_to_sequence): Add DT_num_insns test.
3606 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
3607 (write_cond, debug_decision_2): Ditto.
3608 (change_state): Assume peep2_next_insn never fails.
3609 Remove "afterward" argument.
3610 (write afterward, write_tree): Update to match.
3611 * recog.c (peep2_current_count): New variable.
3612 (peep2_next_insn): Check it.
3613 (peephole2_optimize): Set peep2_current_count.
3614 * recog.h (peep2_current_count): Declare.
3616 2005-08-26 Josh Conner <jconner@apple.com>
3619 * ipa-pure-const.c (check_tree): Check for volatile-ness
3620 when considering a dereference.
3622 2005-08-27 Jakub Jelinek <jakub@redhat.com>
3624 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
3626 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3628 PR rtl-optimization/23561
3629 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
3630 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
3631 at most LEN bytes long memory fits into the field.
3632 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
3633 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
3634 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
3636 2005-08-26 Richard Henderson <rth@redhat.com>
3639 * loop.c (biased_biv_may_wrap_p): New.
3640 (maybe_eliminate_biv_1): Use it to suppress non-equality
3641 comparison transformations. Delete disabled code.
3643 2005-08-26 Ian Lance Taylor <ian@airs.com>
3645 * combine.c (make_extraction): Avoid reference outside object.
3647 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
3649 * stor-layout.c (finalize_type_size): Restore behaviour for
3650 non-aggregate types to the status quo ante of the patch for
3651 pr 23467. Document why it matters.
3653 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3656 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
3657 array by one element, initialize the BT_LAST element with NULL.
3659 2005-08-26 David Edelsohn <edelsohn@gnu.org>
3661 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
3662 optimizing for size.
3664 (compare_plus_eqsi): Same.
3665 (plus_eqsi_compare): Same.
3666 (neg_eq0<mode>): Same.
3667 (neg_eq<mode>): Same.
3669 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
3672 2005-08-26 Nick Clifton <nickc@redhat.com>
3674 * config/v850/v850.c (ep_memory_operand): Return FALSE if
3675 TARGET_EP is not defined.
3676 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
3677 TARGET_EP is enabled.
3678 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
3679 * config/v850/v850.md (save_all_interrupt): Only use the EP
3680 register if TARGET_EP is defined.
3681 (restore_all_interrupt): Likewise.
3682 * config/v850/lib1funcs.asm: Update functions so that the EP
3683 register is only used if __EP__ is defined.
3685 2005-08-26 David Ung <davidu@mips.com>
3687 * config/mips/mips.c (mips_expand_prologue): Handle case when
3688 generating for MIPS16 and the outgoing argument area is more than
3689 SMALL_OPERAND. Use the frame pointer as temporary to generate the
3692 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
3694 * config/crx/crx.md: Make doloop_end pattern usage controllable
3695 via mloop-nesting=<max-nesting> command line switch. Make sure
3696 the combiner cannot use doloop_end_<mode> in an illegal way.
3697 * config/crx/crx.c: Use regs up to r6 for argument passing.
3698 Refine crx_address_cost (non cst4 displacements are expensive).
3699 * config/crx/crx.opt: Add switch for mloop-nesting=.
3701 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
3703 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
3704 (UNSPEC_MVST): New constant.
3706 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
3708 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
3709 Reject operands containing eliminable registers.
3710 * testsuite/gcc.dg/20050825-1.c: New testcase.
3712 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3713 Jan Hubicka <jh@suse.cz>
3715 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
3717 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3719 PR tree-optimization/23546
3720 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
3723 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
3725 * params.def (PARAM_MIN_SPEC_PROB): New.
3726 * sched-rgn.c (MIN_PROBABILITY): Delete.
3727 (compute_trg_info): Convert to PARAM_VALUE.
3728 * doc/invoke.texi (param): Document min-spec-prob.
3730 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
3732 * config/darwin.h: define __PIC__
3733 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
3734 TARGET_OS_CPP_BUILTINS macro.
3736 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3738 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
3741 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3743 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
3745 * cfghooks.c (duplicate_block): Added position where to place
3746 new block as argument.
3747 * cfghooks.h (duplicate_block): Declaration changed.
3748 * cfglayout.c (copy_bbs): Add argument after. Pass it to
3750 * cfglayout.h (copy_bbs): Declaration changed.
3751 * cfgloop.h (loop_version): Declaration changed.
3752 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
3753 position to copy_bbs.
3754 (loop_version): Pass position to duplicate_loop_to_header_edge.
3755 Add place_after argument and position new blocks according to
3757 * modulo-sched.c (sms_schedule): Pass place_after argument
3759 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
3760 * tree-cfg.c (split_edge_bb_loc): New function.
3761 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
3762 to determine position of new blocks.
3763 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
3765 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
3766 argument to duplicate_block.
3767 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
3768 Pass position to copy_bbs.
3770 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3772 * fold-const.c (ptr_difference_const): Use
3773 cst_and_fits_in_hwi instead of host_integerp.
3775 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3777 * config/darwin.c (gen_pic_offset): New.
3778 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
3781 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
3783 PR tree-optimization/23486
3784 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
3786 2005-08-23 Phil Edwards <phil@codesourcery.com>
3788 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
3789 remove use_collect2.
3790 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
3792 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
3793 configuration files to override the default value.
3795 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
3796 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
3797 * config/vx-common.h: New file, split out from...
3798 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
3799 * config/vxworksae.h: New file, for VxWorks AE.
3800 * config/vxworks.opt: New file.
3801 * config/vxlib.c: Update for VxWorks 6.
3803 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
3804 other MULTILIB_* variables appropriately.
3805 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
3806 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
3807 * config/rs6000/vxworks.h: Update for VxWorks 6.
3808 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
3810 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
3813 * config/darwin.c (machopic_select_section): Remove the hack to
3814 mark "::operator new" and "::operator delete" for coalescing
3815 even though they are not weak.
3817 2005-08-24 Alan Modra <amodra@bigpond.net.au>
3819 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
3820 * configure: Regenerate.
3822 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3825 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
3827 * convert.c (convert_to_integer, convert_to_vector): Likewise.
3828 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
3831 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3833 * config/rs6000/predicates.md (equality_operator): New.
3834 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
3835 comparison with a large constant.
3837 2005-08-23 Mark Mitchell <mark@codesourcery.com>
3839 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
3841 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
3843 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
3844 registers is even, and we have a hardware double precision fp,
3846 (sh_gimplify_va_arg_expr): For floating point arguments, consider
3847 size of current argument when checking if argument was passed in
3850 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
3853 * stor-layout.c (finalize_type_size): Dont override
3854 existing alignment with a smaller alignment from the mode.
3856 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3858 * lambda-code.c (lambda_vector_lexico_pos): Moved...
3859 * lambda.h (lambda_vector_lexico_pos): ... here.
3860 * tree-data-ref.c (build_classic_dist_vector): Return false when
3861 the distance vector is lexicographically negative.
3863 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3865 PR tree-optimization/23511
3866 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
3867 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
3869 2005-08-23 Jakub Jelinek <jakub@redhat.com>
3871 PR tree-optimization/22043
3872 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
3873 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
3874 If ALLOW_FLEXARR, handle types ending with flexible array member.
3875 Pass false as second argument to recursive count_type_elements calls.
3876 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
3877 argument to count_type_elements call.
3878 * tree-sra.c (decide_block_copy): Likewise.
3879 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
3880 for a constant-sized object, set cleared as well. Pass true as
3881 second argument to count_type_elements call.
3883 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3886 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
3887 from legitimate_small_data_p, and make global. Update use.
3888 Remove forward declaration.
3889 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
3891 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
3893 2005-08-23 David Edelsohn <edelsohn@gnu.org>
3895 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
3896 of scratch intermediates.
3897 (eq<mode>_compare): Same.
3898 (neg_eq0<mode>): New.
3899 (neg_eq<mode>): Convert to define_insn_and_split.
3901 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3904 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
3905 stdarg functions, set/clear the fp marker even when no variable
3907 * config/rs6000/sysv4.opt (mprototype): Describe.
3909 2005-08-22 Jakub Jelinek <jakub@redhat.com>
3911 PR rtl-optimization/23478
3912 * regs.h (reg_info): Add throw_calls_crossed.
3913 (REG_N_THROWING_CALLS_CROSSED): Define.
3914 * flow.c (allocate_reg_life_data): Initialize
3915 REG_N_THROWING_CALLS_CROSSED.
3916 (propagate_one_insn, attempt_auto_inc): Update
3917 REG_N_THROWING_CALLS_CROSSED.
3918 * global.c (global_alloc): Don't allocate pseudos across
3919 calls that may throw.
3921 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
3924 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
3925 value is inbetween the range if we did not find an exact match.
3927 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
3929 * doc/invoke.texi (Option Summary): Add ms1 options.
3930 * doc/extend.texi: Document interrupt handler attribute for ms1.
3931 * doc/md.texi: Document ms1 constraints.
3932 * config.gcc: Add ms1-*-elf.
3933 * config/ms1/ms1.h: New.
3934 * config/ms1/ms1.c: New.
3935 * config/ms1/ms1.md: New.
3936 * config/ms1/ms1-protos.h: New.
3937 * config/ms1/ABI.txt: New.
3938 * config/ms1/crti.asm: New.
3939 * config/ms1/crtn.asm: New.
3940 * config/ms1/lib2extra-funcs.c: New.
3941 * config/ms1/t-ms1: New.
3942 * config/ms1/ms1.opt: New.
3944 2005-08-22 Ira Rosen <irar@il.ibm.com>
3946 * config/rs6000/altivec.md (xorv4sf3): New.
3947 (negv4sf2, neg<mode>2): Likewise.
3949 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
3952 * config/ia64/ia64.md (divsi3): Check divide by zero.
3953 (udivsi3): Likewise.
3955 (udivdi3): Likewise.
3957 2005-08-21 Jakub Jelinek <jakub@redhat.com>
3959 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
3960 up to elem_bitsize bits, not max_bitsize.
3962 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3964 PR tree-optimization/23433
3965 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
3966 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
3968 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3970 PR tree-optimization/23434
3971 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
3972 the iteration bound is not an INTEGER_CST.
3974 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
3976 * tree-vect-transform.c (get_initial_def_for_reduction): Set
3977 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
3978 NULL if need_epilog_adjust is false.
3979 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
3980 Case 3 always peels first itration, not just for PLUS case, and no need
3981 to use scalar_initial_def here. Create an epilog adjustment only if
3982 scalar_initial_def is not NULL.
3984 (vectorizable_reduction): Remove assert.
3986 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
3989 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
3990 (__moddi3): Likewise.
3991 (__udivdi3): Likewise.
3992 (__umoddi3): Likewise.
3993 (__divsi3): Likewise.
3994 (__modsi3): Likewise.
3995 (__udivsi3): Likewise.
3996 (__umodsi3): Likewise.
3998 2005-08-20 Jakub Jelinek <jakub@redhat.com>
4000 * tree-pass.h (TDF_GRAPH): Define.
4001 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
4002 * passes.c (finish_optimization_passes): Only call
4003 finish_graph_dump_file if TDF_GRAPH is set.
4004 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
4005 NULL. Set TDF_GRAPH bit.
4006 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
4008 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
4010 * arm.h (arm_stack_offsets): Add locals_base field.
4011 * arm.c (arm_get_frame_offsets): Compute it.
4012 (thumb_compute_initial_elimination offset): Make the Thumb frame
4013 pointer point to the base of the local variables.
4014 (thumb_expand_prologue): Update accordingly.
4015 (thumb_expand_epilogue): Likewise.
4017 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
4018 mode of clobbered scratch to DImode. Handle a case that's known to
4021 2005-08-19 David Edelsohn <edelsohn@gnu.org>
4023 * config/rs6000/rs6000.md (gt0<mode>): Delete.
4024 (gt0<mode>_compare): Delete.
4025 (neg_gt0<mode>): Delete.
4027 2005-08-19 Eric Christopher <echristo@apple.com>
4029 * optabs.h: Change CTI_ to COI_.
4032 2005-08-19 James E Wilson <wilson@specifix.com>
4034 * builtins.c (expand_builtin_return_addr): Set
4035 current_function_accesses_prior_frames when count != 0. Use
4036 frame_pointer_rtx when count == 0.
4037 * function.h (struct function): Add accesses_prior_frames field.
4038 (current_function_accesses_prior_frames): Define.
4039 * reload1.c (init_elim_table): Check
4040 current_function_accesses_prior_frames.
4041 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
4043 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4045 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
4046 indicator. Return true if the flowgraph changed during
4049 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4052 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
4053 conditional expression before testing its value.
4055 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4057 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
4059 2005-08-19 Devang Patel <dpatel@apple.com>
4061 PR tree-optimization/23048
4062 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
4063 third parameter. Check whether latch is dominated by exit
4065 (if_convertible_loop_p): Supply exit block itself to
4066 if_convertible_bb_p.
4068 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
4071 * arm.md (arm_load_pic_register): Change argument to the mask of
4072 saved registers. Call thumb_find_work_register if we need a
4073 scratch register on Thumb.
4074 (arm_expand_prologue): Pass empty register set to
4075 arm_load_pic_register.
4076 (thumb_expand_prologue): Pass live_regs_mask directly to
4077 arm_load_pic_register.
4078 * arm-protos.h (arm_load_pic_register): Update prototype.
4080 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
4082 * sh.c (find_sole_member): New function.
4083 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
4084 if the record's alignment is larger than the size of its only member.
4086 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
4089 * arm.c (thumb_legitimize_reload_address): New function.
4090 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
4091 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
4093 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
4095 * config/crx/crx.c: Implement crx_decompose_address. Reject
4096 symbolic displacements since CRX register relative adressing
4097 mode can't handle unsigned 32-bit values as displacements.
4098 * config/crx/crx.h: Simplify definitions, remove redundant
4099 parenthesis and obsolete macros.
4100 * config/crx/crx.opt: Add new switch for debugging addresses.
4101 * config/crx/crx-protos.h: Add new declarations for above.
4103 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
4106 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
4109 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4111 * collect2.c (dup2): Delete.
4112 * configure.ac: Don't check for dup2.
4114 * config.in, configure: Regenerate.
4116 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
4118 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
4119 record with the type of its only member.
4121 2005-08-18 David Edelsohn <edelsohn@gnu.org>
4123 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
4124 define_insn_and_split.
4125 (plus_ltu<mode>_compare): Same.
4126 (gtu<mode>_compare): Same.
4127 (plus_gtu<mode>_compare): Same.
4129 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
4131 PR tree-optimization/22228
4132 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
4134 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
4135 are recorded in vect_vnames_to_rename for renaming.
4136 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
4137 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
4138 in vect_vnames_to_rename.
4139 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
4140 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
4142 2005-08-18 Jan Hubicka <jh@suse.cz>
4145 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
4146 info only for local statics, not for member variables.
4148 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4150 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
4152 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4154 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
4156 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
4159 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
4161 2005-08-17 James E Wilson <wilson@specifix.com>
4163 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4166 2005-08-17 David Edelsohn <edelsohn@gnu.org>
4168 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
4169 (leu<mode>_compare): Same.
4170 (plus_leu<mode>): Same.
4171 (neg_leu<mode>): Same.
4172 (and_neg_leu<mode): Same.
4173 (ltu<mode>_compare): Same.
4174 (plus_ltu<mode>): Same.
4176 (geu<mode>_compare): Same.
4177 (plus_geu<mode>): Same.
4178 (neg_geu<mode>): Same.
4179 (and_neg_geu<mode>): Same.
4180 (plus_gt<mode>): Same.
4181 (gtu<mode>_compare): Same.
4182 (plus_gtu<mode>): Same.
4184 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
4186 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
4187 Move call_table_data to end. Delete spurious .text.
4188 (callt_save_all_interrupt): Fix comment typo.
4190 2005-08-17 James E Wilson <wilson@specifix.com>
4191 Kevin Winchester <winchester@amirix.com>
4194 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
4196 2005-08-17 Uros Bizjak <uros@kss-loka.si>
4199 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
4200 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
4202 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
4204 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
4205 record with the type of its only member if the modes don't match.
4207 * varasm.c (decode_reg_name): Skip empty additional register names.
4209 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4211 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
4212 lsm_tmp_name_length): New.
4213 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
4214 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
4216 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4217 Andreas Krebbel <krebbel1@de.ibm.com>
4219 * config.gcc: Added z9-109 switch.
4220 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
4221 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
4222 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
4223 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
4224 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
4225 for "z9_109" cpu attribute.
4226 * config/s390/s390.c (z9_109_cost): New processor cost structure.
4227 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
4228 (s390_handle_arch_option): Added z9-109 switch.
4229 (override_options): Set respective cost function for z9-109.
4230 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
4231 (legitimate_reload_constant_p): Accept extended immediates.
4232 (print_operand): Three new output modifiers added: k, m and o.
4233 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
4234 (s390_output_mi_thunk): Use extended immediate when possible.
4235 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
4236 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
4237 (CONSTRAINT_LEN): Added length of O constraint.
4238 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
4239 * config/s390/s390.md ("cpu"): New value z9_109 added.
4240 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
4241 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
4242 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
4243 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
4244 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
4245 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
4246 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
4247 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
4248 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
4249 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4250 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
4251 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
4252 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
4253 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
4254 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
4256 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
4257 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
4258 insns for TARGET_EXTIMM.
4260 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
4262 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
4264 2005-08-17 Nick Clifton <nickc@redhat.com>
4266 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
4267 Call default_encode_section_info.
4269 2005-08-17 Steven Bosscher <stevenb@suse.de>
4271 PR tree-optimization/21574
4272 * tree-ssa-ccp.c (likely_value): If the right hand side is a
4273 constant, return CONSTANT.
4274 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
4275 (ccp_fold, visit_assignment): Likewise.
4276 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
4278 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4280 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
4281 fold_buildN instead of buildN then fold_initializer or fold.
4282 (build_unary_op): Likewise.
4283 (build_binary_op): Likewise.
4284 * fold-const.c (fold_initializer): Remove.
4285 (fold_build1_initializer): New function.
4286 (fold_build2_initializer): New function.
4287 (fold_build3_initializer): New function.
4288 * tree.h (fold_initializer): Remove.
4289 (fold_build1_initializer): New function.
4290 (fold_build2_initializer): New function.
4291 (fold_build3_initializer): New function.
4293 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4295 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
4296 (try_move_mult_to_index): Call fold_build2 instead of build2.
4297 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
4298 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
4299 fold_binary_to_constant.
4300 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
4302 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
4303 check if A == gcd (A, B). Remove TYPE argument.
4304 (analyze_offset) Use fold_build2 instead of fold (build.
4305 (create_data_ref): Likewise.
4306 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
4307 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
4310 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
4312 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
4313 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
4315 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
4318 * gimplify.c (zero_sized_type): New function.
4319 (gimplify_modify_expr_rhs): If we have a zero sized type,
4320 replace the statement with an empty statement.
4322 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
4324 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
4327 2005-08-16 Ian Lance Taylor <ian@airs.com>
4329 * doc/tm.texi (Label Output): Correct typo.
4331 2005-08-16 Steven Bosscher <stevenb@suse.de>
4334 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
4335 force_operand will work later on using have_insn_for.
4337 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4339 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
4341 2005-08-16 Ian Lance Taylor <ian@airs.com>
4344 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
4345 vector type, don't try to construct it element by element. Add an
4346 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
4348 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4350 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
4352 2005-08-16 Geoffrey Keating <geoffk@apple.com>
4354 * doc/invoke.texi (Precompiled Headers): Document some more options
4355 which are known to be safe.
4357 2005-08-16 James E Wilson <wilson@specifix.com>
4359 PR tree-optimization/21105
4360 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4361 TREE_OVERFLOW check.
4363 2005-08-16 David Edelsohn <edelsohn@gnu.org>
4365 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
4366 (neg_ltu<mode>): Same.
4368 (neg_gtu<mode>): Same.
4370 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4372 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
4373 (fold_builtin_isdigit): Use fold_buildN.
4374 (build_function_call_expr): Likewise.
4375 * c-typeck.c (c_finish_loop): Likewise.
4377 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
4378 Richard Shann <rshann@superh.com>
4380 PR middle-end/20396:
4381 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
4383 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
4385 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
4387 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
4390 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
4391 arm_compure_save_reg0_reg12_mask to determine when the PIC register
4394 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4397 * fold-const.c (build_range_check): Disable optimization for function
4398 pointer expressions on targets that require function pointer
4401 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
4403 * simplify-rtx.c (simplify_const_relational_operation): When
4404 extracting arguments of a COMPARE, recompute the mode as well.
4406 2005-08-15 Ian Lance Taylor <ian@airs.com>
4408 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
4410 2005-08-15 DJ Delorie <dj@redhat.com>
4412 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
4414 (movsi_splittable): Allow, but split, moves to the stack.
4415 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
4418 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4420 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
4421 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
4422 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
4424 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
4425 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
4426 Delete HOST_PTR_PRINTF.
4428 * configure, config.in: Regenerate.
4430 2005-08-15 David Edelsohn <edelsohn@gnu.org>
4432 * config/rs6000/rs6000.md (QHSI): New mode macro.
4433 (wd): Extend mode attr for QImode and HImode
4434 (dbits): New mode attr.
4435 (zero_extend<mode>di2): Convert to mode macro.
4437 2005-08-15 Steve Ellcey <sje@cup.hp.com>
4440 * doc/invoke.texi (-mgnu-ld): Update description.
4443 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4446 * Makefile.in (tree-chrec.o): Depends on real.h.
4447 * tree-chrec.c: Include real.h.
4448 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
4449 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
4450 * tree-scalar-evolution.c (add_to_evolution_1,
4451 interpret_rhs_modify_expr): Ditto.
4453 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4456 * tree-data-ref.c (estimate_niter_from_size_of_data): When
4457 step is negative compute the estimation from init downwards to zero.
4459 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
4461 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
4463 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4465 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
4467 (legitimate_reload_constant_p): Fix handling of lliXX operands.
4468 Accept double-word constants that can be split.
4469 * config/s390/s390.md ("movti"): Use 'P' constraint.
4470 ("*movdi_31", "*movdf_31"): Likewise.
4472 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
4474 Fix PR tree-optimization/22615
4476 * tree-ssa-structalias.c (solution_set_add): Handle
4477 first_vi_for_offset returning NULL.
4478 (do_da_constraint): Ditto.
4479 (do_sd_constraint): Ditto.
4480 (do_ds_constraint): Ditto
4481 (find_func_aliases): Ditto.
4482 (build_constraint_graph): RHS is allowed be ANYTHING.
4483 (first_vi_for_offset): Return NULL if we couldn't find anything at
4486 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4488 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
4489 over memory as first operand.
4491 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
4494 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
4495 available for setting it.
4497 2005-08-14 Ira Rosen <irar@il.ibm.com>
4499 PR tree-optimization/23320
4500 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
4501 data-refs' types instead of base object nullness. Add check for
4502 pointer type data-refs before first location comparison. Remove
4505 2005-08-14 Andreas Schwab <schwab@suse.de>
4507 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
4509 2005-08-13 James E Wilson <wilson@specifix.com>
4511 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
4512 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
4513 -fstack-protector-all, --param ssp-buffer-size): Document.
4514 (-Wvariadic-macros): Alphabetize.
4515 (-fsched-stalled-insns-dep): Add missing 'f'.
4517 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
4520 2005-08-13 David Edelsohn <edelsohn@gnu.org>
4522 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
4523 or indirect address operand.
4524 (EXTRA_ADDRESS_CONSTRAINT): New.
4525 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
4527 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
4529 PR tree-optimization/22236
4530 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
4531 successors and predecessors.
4532 * tree-chrec.c (chrec_convert): Before converting, check that
4533 sequences don't wrap.
4534 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
4535 (analyze_array): Extern.
4536 (find_data_references_in_loop): Remove call to
4537 compute_estimated_nb_iterations.
4538 * tree-data-ref.h (analyze_array): Declared.
4539 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
4540 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
4541 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
4542 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
4544 * tree-ssa-loop-ivcanon.c: Fix documentation.
4545 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
4546 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
4547 (infer_loop_bounds_from_undefined): New.
4548 (estimate_numbers_of_iterations_loop): Use
4549 infer_loop_bounds_from_undefined.
4550 (used_in_pointer_arithmetic_p): New.
4551 (scev_probably_wraps_p): Pass an extra parameter. Call
4552 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
4553 (convert_step): Fix documentation.
4554 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
4555 Use initial_condition_in_loop_num and evolution_part_in_loop_num
4556 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
4557 scev_probably_wraps_p.
4559 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4561 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
4562 (s390_register_info): Ignore clobbered_regs information for fixed
4563 registers, and only fixed registers.
4564 (s390_init_frame_layout): Remove redundant call.
4566 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
4568 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
4569 description of -Wold-style-casts.
4571 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4572 Jakub Jelinek <jakub@redhat.com>
4574 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4575 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
4576 * config/s390/s390.c (print_operand): New output modifier 'G' added.
4577 (get_thread_pointer): Renamed to s390_get_thread_pointer.
4578 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
4579 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
4580 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
4581 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4582 ("stack_protect_set", "stack_protect_test"): New expanders.
4583 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
4584 "stack_protect_testdi"): New insn definitions.
4586 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4588 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
4590 2005-08-12 Paul Brook <paul@codesourcery.com>
4592 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
4594 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4596 * config/s390/predicates.md (setmem_operand): New predicate.
4597 (shift_count_operand): Accept ANDs with special constants as
4599 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
4600 with special constants.
4601 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
4602 shift_count_operand with setmem_operand.
4604 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4606 * config/s390/s390.c (s390_extract_part, s390_single_part):
4608 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
4609 (s390_output_mi_thunk): Don't use lg on 31 bit.
4610 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
4611 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
4613 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4615 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
4616 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
4617 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
4618 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
4619 with one of the new macros.
4621 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4623 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
4624 Don't set save_return_addr_p.
4625 (s390_register_info): Make clobbered_regs not depending on
4628 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
4630 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
4631 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
4633 2005-08-11 James E. Wilson <wilson@specifix.com>
4635 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
4637 2005-08-11 Jakub Jelinek <jakub@redhat.com>
4639 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
4640 locations gathered by var-tracking in single entry loc_list
4641 over loc_descriptor_from_tree.
4643 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
4644 pass it down to loc_descriptor.
4645 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
4646 (containing_function_has_frame_base): Move earlier in the file.
4647 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
4648 instead of always assuming fbreg can't be used.
4650 2005-08-11 David Edelsohn <edelsohn@gnu.org>
4652 * config/rs6000/altivec.md: Change constraint "m" to "Z".
4653 * config/rs6000/predicates.md (indexed_or_indirect_operand):
4654 Accept address wrapped in AND for Altivec.
4655 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4656 Strip AND wrapping offset address for Altivec.
4658 2005-08-11 Richard Henderson <rth@redhat.com>
4661 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
4662 before using TYPE_IS_SIZETYPE.
4664 2005-08-11 Richard Henderson <rth@redhat.com>
4667 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
4668 insn types not present on ev4.
4669 (alphaev5_insn_pipe): Similarly.
4671 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
4674 * arm.c (arm_override_options): If the user has selected callee-super-
4675 interworking, then enable normal interworking.
4677 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4679 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
4682 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
4684 * doc/rtl.texi: Fix two typos.
4686 2005-08-11 Richard Guenther <rguenther@suse.de>
4689 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
4690 cases where we call to/from functions returning void.
4692 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
4695 * tree.c (build_pointer_type_for_mode): Robustify.
4697 2005-08-10 James E Wilson <wilson@specifix.com>
4699 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
4700 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
4702 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
4705 2005-08-10 Eric Christopher <echristo@apple.com>
4707 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
4708 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
4711 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
4714 * config/darwin.c (machopic_indirect_data_reference): Use a new register
4715 for the high part when generating dynamic-no-pic code.
4717 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
4719 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
4720 (x86_64-*-linux*): Likewise.
4722 * config/i386/crtfastmath.c: New file.
4723 * config/i386/t-crtfm: Likewise.
4725 * config/i386/linux.h (ENDFILE_SPEC): New.
4726 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
4728 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
4731 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
4733 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
4734 (vec_shl, vec_shr): Document new operations.
4735 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
4737 2005-08-10 David Edelsohn <edelsohn@gnu.org>
4739 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
4740 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
4741 change predicate to indexed_or_indirect_address.
4743 2005-08-10 Richard Sandiford <richard@codesourcery.com>
4745 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
4746 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
4747 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
4748 and __aeabi_uwrite8.
4749 * config/arm/unaligned-funcs.c: New file.
4750 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
4752 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
4754 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
4756 * cfglayout.c (pass_insn_locators_initialize): Add dump.
4757 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
4759 * except.c (pass_convert_to_eh_region_ranges): Add dump.
4760 * final.c (pass_shorten_branches): Add dump.
4761 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
4762 (pass_life): Rename dump.
4763 (rest_of_handle_flow2): Remove initial verify_flow_info.
4764 * function.c (pass_instantiate_virtual_regs): Add dump.
4765 * integrate.c (pass_initial_value_sets): Add dump.
4766 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
4767 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
4768 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
4769 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
4770 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
4771 gate_rtl_unrool_and_peel_loops): New.
4772 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
4773 rtl_doloop): Do not look at flags.
4774 * mode-switching.c (pass_mode_switching): Add dump.
4775 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
4776 pass_split_before_regstack): Add dump.
4777 * regmove.c (pass_stack_adjustments): Add dump.
4778 * tree-optimize.c (pass_fixup_cfg): Add dump.
4780 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4783 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
4784 deciding which instruction sequence to use.
4786 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
4788 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
4789 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
4791 2005-08-09 Richard Guenther <rguenther@suse.de>
4793 * c-common.c (builtin_function_2): Remove.
4794 (def_builtin_1): New function.
4795 (c_common_nodes_and_builtins): Use def_builtin_1 to
4796 build builtin functions.
4798 2005-08-09 Jie Zhang <jie.zhang@analog.com>
4800 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
4801 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4802 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
4805 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4807 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
4808 fold_binary instead of fold_build2 since we don't care about the
4810 (loop_niter_by_eval): Likewise.
4811 (compare_trees): Likewise.
4812 (proved_non_wrapping_p): Likewise.
4814 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4818 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
4819 if the if is really empty.
4821 2005-08-09 Steven Bosscher <stevenb@suse.de>
4823 PR tree-optimization/23234
4824 * tree-ssa-math-opts.c (place_reciprocal): New enum.
4825 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
4826 argument of the new enum.
4827 (execute_cse_reciprocals): Add reciprocals for function arguments
4828 on the unique successor edge of the entry block. Update other calls
4829 to execute_cse_reciprocals_1.
4831 2005-08-08 Richard Henderson <rth@redhat.com>
4834 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
4836 2005-08-08 Bob Wilson <bob.wilson@acm.org>
4838 * expr.c (write_complex_part): Return after handling MEM.
4840 2005-08-08 Josh Conner <jconner@apple.com>
4842 PR rtl-optimization/23241
4843 * combine.c (simplify_comparison): Fix error in determining
4844 whether to lift a subreg from comparison.
4846 2005-08-08 David Edelsohn <edelsohn@gnu.org>
4849 * config/rs6000/altivec.md (vec_init<mode>): New.
4850 (vec_set<mode>): New.
4851 (vec_extract<mode>): New.
4852 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
4853 (rs6000_expand_vector_set): New.
4854 (rs6000_expand_vector_extract): New.
4855 (rs6000_legitimate_offset_address_p): Offset addresses are valid
4856 for Altivec modes before reload.
4857 (altivec_expand_vec_init_builtin): New.
4858 (get_element_number): New.
4859 (altivec_expand_vec_set_builtin): New.
4860 (altivec_expand_vec_ext_builtin): New.
4861 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
4863 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
4865 * config/rs6000/rs6000.h (rs6000_builtins): Add
4866 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
4867 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
4868 * config/rs6000/rs6000-protos.h: Declare new functions.
4870 2005-08-08 Jan Hubicka <jh@suse.cz>
4872 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
4873 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
4874 * i386.md (movdi*): Use pic_32bit_operand.
4875 * predicates.md (pic_32bit_operand): New.
4877 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
4880 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
4882 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
4884 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
4885 (test_for_singularity): Use fold_build2.
4887 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4889 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
4891 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
4893 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4894 (COMMON_ASM_OP) Define.
4895 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
4896 (ix86_encode_section_info): Likewise.
4897 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
4898 SUBTARGET_ENCODE_SECTION_INFO.
4900 2005-08-06 Richard Henderson <rth@redhat.com>
4903 * tree-nested.c (convert_local_reference): Save and restore val_only
4904 around component_ref and friends. Clear walk_subtrees by default.
4906 2005-08-06 Peter O'Gorman <peter@pogma.com>
4909 * gcc.c (process_command): Check the argument to -b has a dash.
4910 * doc/invoke.texi: Update -b and -V docs.
4912 2005-08-06 James E Wilson <wilson@specifix.com>
4914 * config/mips/cross64.h, config/mips/t-cross64: Delete.
4916 2005-08-06 Michael Matz <matz@suse.de>
4918 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
4919 member only if only one insn is associated with the value.
4921 2005-08-06 Nick Clifton <nickc@redhat.com>
4923 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
4925 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
4926 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
4927 Check symbol flags instead of symbol name mangling.
4928 (xstormy16_asm_output_aligned_common): Likewise. Also
4929 simplify code since the bss100_section cass is the only case
4930 where the below100 code will be triggered.
4931 (xstormy16_encode_section_info): Encode below100 attribute
4932 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
4934 (xstormy16_strip_name_encoding): Delete - this function is no
4936 (TARGET_STRIP_NAME_ENCODING): Undefine.
4937 * config/stormy16/stormy16-protos.h: Delete prototype for
4938 xstormy16_strip_name_encoding.
4940 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
4942 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
4943 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
4944 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
4945 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
4946 config/alpha/predicates.md, config/arc/arc.h,
4947 config/arm/arm.h, config/arm/ieee754-df.S,
4948 config/arm/ieee754-sf.S, config/bfin/bfin.c,
4949 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
4950 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
4951 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
4952 config/m68hc11/m68hc11.h, config/mips/mips.c,
4953 config/mips/mips.h, config/mips/openbsd.h,
4954 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
4955 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
4956 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4957 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4958 config/sparc/linux.h, config/sparc/linux64.h,
4959 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
4960 doc/extend.texi, doc/gcov.texi, doc/install.texi,
4961 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
4962 typos. Follow spelling conventions.
4964 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
4967 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
4968 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
4969 specially. Check for side effects only for COND_EXPR.
4970 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
4971 return with TREE_NO_WARNING.
4973 2005-08-06 Richard Sandiford <richard@codesourcery.com>
4975 PR rtl-optimization/23233
4976 * loop.c (combine_movables): Require the modes to be the same.
4977 (move_movables): Remove handling of cases where the replacement
4978 had a different mode to the original.
4980 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
4982 PR tree-optimization/23128
4983 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
4984 subtraction wrap, and set TREE_OVERFLOW if they do.
4986 2005-08-05 Richard Henderson <rth@redhat.com>
4989 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
4990 FORCED_LABEL labels.
4992 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
4995 * reload.c (find_reloads_subreg_address): Pass down TYPE
4996 unchanged. Change all callers except find_reloads_toplev.
4998 2005-08-05 Michael Matz <matz@suse.de>
5000 * genattrtab.c (current_alternative_string): Remove.
5001 (SIMPLIFY_ALTERNATIVE): Ditto.
5002 (attr_alt_bit_p): Ditto.
5003 (alternative_name): Make const char *.
5004 (evaluate_eq_attr): Remove use of above things.
5005 (simplify_test_exp): Ditto.
5006 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
5007 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
5009 2005-08-04 James E Wilson <wilson@specifix.com>
5011 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
5012 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
5013 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
5014 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
5015 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
5017 2005-08-04 Richard Henderson <rth@redhat.com>
5020 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
5021 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
5022 * tree-sra.c (decide_block_copy): Use it. Disable element copy
5023 if we'd have to instantiate too many members.
5025 2005-08-04 Richard Henderson <rth@redhat.com>
5028 * tree-outof-ssa.c (coalesce_asm_operands): New.
5029 (coalesce_ssa_name): Use it. Split out ...
5030 (coalesce_phi_operands, coalesce_result_decls): ... these.
5032 2005-08-04 Paul Brook <paul@codesourcery.com>
5034 * read-rtl.c (read_quoted_string): Break if EOF.
5036 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
5038 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
5039 (fold_build2): Likewise.
5040 (fold_build3): Likewise.
5041 (fold_build1_stat): New function prototype.
5042 (fold_build2_stat): Likewise.
5043 (fold_build3_stat): Likewise.
5044 * fold-const.c (fold_build1): Rename to ..
5045 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5046 through to build1_stat.
5047 (fold_build2): Rename to ..
5048 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5049 through to build2_stat.
5050 (fold_build3): Rename to ..
5051 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5052 through to build3_stat.
5054 2005-08-04 David Edelsohn <edelsohn@gnu.org>
5055 Ian Lance Taylor <ian@airs.com>
5057 * function.c (assign_stack_local_1): Do not correct stack slot
5058 address if allocation size is smaller than mode size.
5060 2005-08-04 Diego Novillo <dnovillo@redhat.com>
5063 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
5064 (tree_merge_blocks): Propagate anything allowed by
5066 Clarify documentation.
5067 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
5068 SSA form, schedule an update if necessary.
5070 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
5072 * doc/install.texi (Binaries): Remove broken link to
5073 Sinix/Reliant Unix binaries.
5075 2005-08-03 Richard Henderson <rth@redhat.com>
5078 * function.c (stack_protect_epilogue): Export.
5079 * tree.h (stack_protect_epilogue): Declare.
5080 * calls.c (expand_call): Call it.
5082 2005-08-03 Eric Christopher <echristo@apple.com>
5084 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
5085 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
5088 2005-08-04 Jan Hubicka <jh@suse.cz>
5090 * profile.c (branch_prob): Split edges with goto locus on them
5091 to get proper line counts.
5092 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
5094 2005-08-03 Paul Brook <paul@codesourcery.com>
5096 * function.c (assign_parms): Round current_function_args_size
5097 to PARM_BOUNDARY, not STACK_BOUNDARY.
5099 2005-08-03 Geoffrey Keating <geoffk@apple.com>
5101 * config/i386/i386.c (x86_elf_aligned_common)
5102 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
5104 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
5106 PR tree-optimization/23157
5107 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
5108 before emitting them.
5110 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5112 PR tree-optimization/19899
5113 * Makefile.in (tree-scalar-evolution.o): Add real.h.
5114 * tree-scalar-evolution.c: Include real.h.
5115 (add_to_evolution): Build constant -1 of correct type.
5117 2005-08-03 Jan Hubicka <jh@suse.cz>
5119 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
5120 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
5121 profile updating for complette unrolling.
5122 * loop-unroll.c (peel_loop_completely): Use it.
5123 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
5124 (tree_unroll_loops_completely): Disable code growing unrolling of cold
5127 2005-08-03 Paul Brook <paul@codesourcery.com>
5129 * combine.c (can_change_dest_mode): New function.
5130 (try_combine, simplify_set): Use it.
5132 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
5134 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
5137 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
5139 * doc/install.texi (Specific): Adjust link to openavr.org.
5140 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
5141 (Binaries): Adjust HP-UX Porting Center link.
5142 (Binaries): Adjust Free Software Foundation ordering link.
5144 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
5146 * convert.c (convert_to_integer): Use fold_build1 instead of
5147 build1 when converting an integer to an integer.
5149 2005-08-02 Richard Henderson <rth@redhat.com>
5151 * combine.c (combine_instructions): Don't use reg_equal/equiv
5152 results if the mode doesn't match.
5154 2005-08-02 Mark Mitchell <mark@codesourcery.com>
5156 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
5157 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
5159 2005-08-02 Richard Henderson <rth@redhat.com>
5162 * explow.c (memory_address): Remove special-case for
5163 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
5165 2005-08-02 Diego Novillo <dnovillo@redhat.com>
5168 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
5169 number of calls to cleanup_tree_cfg_1.
5171 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
5173 * doc/invoke.texi: document file extensions .F90 and .F95
5175 2005-08-02 Richard Guenther <rguenther@suse.de>
5177 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
5178 positive if its first argument is positive.
5180 2005-08-02 Richard Guenther <rguenther@suse.de>
5182 PR tree-optimization/23177
5183 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
5186 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
5188 PR tree-optimization/23129
5189 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
5190 varying for divisions with anti-ranges.
5192 2005-08-02 Jan Hubicka <jh@suse.cz>
5194 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
5195 * tree-ssa-threadupdate.c (thread_block): Add it here.
5197 2005-08-01 James E Wilson <wilson@specifix.com>
5199 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
5200 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
5201 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
5203 * config/mips/predicates.md (const_call_insn_operand): Add check for
5204 SYMBOL_REF_LONG_CALL_P.
5205 * doc/extend.texi (long_call): Document the new attribute.
5207 2005-08-01 Ian Lance Taylor <ian@airs.com>
5208 Richard Henderson <rth@redhat.com>
5210 * Makefile.in (RTL_BASE_H): Add real.h.
5211 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
5213 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
5215 * rtl.c (rtl_check_failed_code_mode): New.
5216 * rtl.h (struct rtx_def): Add u.rv.
5217 (XCMWINT, XCNMPRV): New.
5218 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
5219 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
5221 2005-08-01 Richard Henderson <rth@redhat.com>
5223 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
5224 with auto-inc codes.
5226 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
5228 2005-08-01 Jan Hubicka <jh@suse.cz>
5230 * i386-protos.h (asm_preferred_eh_data_format): Declare.
5231 * i386.c: Include dwarf2.h
5232 (asm_preferred_eh_data_format): New.
5233 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
5235 2005-08-01 Ian Lance Taylor <ian@airs.com>
5237 * config/host-linux.c (linux_gt_pch_get_address): Add new name
5238 randomize_va_space for virtual address randomization control.
5240 2005-08-01 Steven Bosscher <stevenb@suse.de>
5242 * common.opt (flag_ipa_cp): Put in right place to maintain
5245 2005-08-01 Jan Hubicka <jh@suse.cz>
5247 * profile.c (compute_value_histograms): Fix thinko.
5248 * value-prof.c: Include toplev.h
5249 (check_counter): New function.
5250 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
5251 tree_mod_subtract_transform): Add sanity check.
5253 2005-08-01 Richard Guenther <rguenther@suse.de>
5255 PR tree-optimization/23133
5256 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
5257 current functions parameter decls to find defs to cse
5260 2005-08-01 Richard Guenther <rguenther@suse.de>
5262 PR tree-optimization/23109
5263 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
5264 If trapping math is in effect, use post-dominator information
5265 to check if we'd in any case reach a trapping point before
5266 doing the reciprocal insertion.
5267 (execute_cse_reciprocals): Compute post-dominators, if necessary.
5268 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
5269 expressions are invariant only if trapping math is not in effect.
5271 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5273 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
5274 cgraph_function_versioning): New declarations.
5275 * cgraphunit.c: Add include to ipa-prop.h.
5276 (update_call_expr, cgraph_copy_node_for_versioning,
5277 cgraph_function_versioning): New functions.
5278 * integrate.c (copy_decl_for_inlining): Remove.
5279 * ipa-prop.h (ipa_replace_map): New struct.
5280 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
5281 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
5282 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
5283 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
5284 ipcp_iterate_stage, ipcp_method_scale_print,
5285 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
5286 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
5287 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
5288 ipcp_update_bb_counts, ipcp_update_profiling,
5289 ipcp_update_edges_counts): New functions.
5290 (ipcp_method_cval_init): Remove restriction regarding local methods.
5291 (ipcp_init_stage): Add ipcp_method_compute_scale.
5292 (ipcp_insert_stage): Add versioning.
5293 (ipcp_structures_print): Add ipcp_method_scale_print.
5294 (ipcp_driver): Dump profiling info.
5295 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
5296 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
5297 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
5298 (struct inline_data): Add versioning_p, ipa_info, new fields.
5299 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
5300 declare_return_variable): Replace calls to copy_decl_for_inlining with
5302 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
5304 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
5305 Add argument VERSIONING.
5306 (copy_arguments_for_versioning, copy_static_chain,
5307 function_versionable_p, tree_versionable_function_p,
5308 tree_function_versioning, replace_ref_tree): New functions.
5309 * tree-inline.h: Include varray.h.
5310 (tree_versionable_function_p, tree_function_versioning,
5311 tree copy_decl_for_dup): New declarations.
5313 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5315 * ipa-cp.c: New file. Contains IPCP specific functionality.
5316 * ipa-prop.h: New file. Contains structures/definitions that can be
5317 used by several interprocedural data flow optimizations (and also IPCP).
5318 * ipa-prop.c: New file.
5319 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
5320 * common.opt: Add ipa-cp flag.
5321 * timevar.def: Add IPCP optimization.
5322 * tree-optimize.c (init_tree_optimization_passes): Schedule
5324 * tree-pass.h (pass_ipa_cp): Declare.
5326 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
5328 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
5329 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
5330 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
5331 config/i386/i386.c, config/mips/mips.h,
5332 config/rs6000/rs6000.h, config/sh/sh.c,
5333 config/stormy16/stormy16.c: Fix comment typos.
5335 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
5338 * c-typeck.c (build_binary_op): Use common_type wrapper on
5340 (common_type): Update comment.
5342 2005-07-31 Steven Bosscher <stevenb@suse.de>
5345 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
5346 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
5347 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
5349 2005-07-31 Jan Hubicka <jh@suse.cz>
5351 * pretty-print.h (pp_widest_integer): New macro.
5352 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
5355 2005-07-31 Jan Hubicka <jh@suse.cz>
5357 * output.h (enum section_category): Export from varasm.c
5358 (categorize_decl_for_section): Likewise.
5359 * varasm.c (enum section_category): Kill.
5360 (categorize_decl_for_section): Make global.
5361 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
5363 * i386.c (ix86_section_threshold): New static variable.
5364 (ix86_in_large_data_p, ix86_encode_section_info,
5365 x86_64_elf_unique_section,
5366 x86_64_elf_select_section): New functions.
5367 (TARGET_ENCODE_SECTION_INFO): Define
5368 (override_options): Enable medium model for PIC.
5369 (ix86_expand_prologue): Expand gen_set_got_rex64.
5370 (legitimate_constant_p): Handle new UNSPECs.
5371 (legitimate_pic_address_disp_p): Likewise.
5372 (legitimize_pic_address): Lower MEDIUM model addressing.
5373 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
5374 (enum cmodel): Add MEDIUM_PIC.
5375 (SYMBOL_REF_FAR_ADDR_P): New macro.
5376 (SYMBOL_FLAG_FAR_ADDR): New flag.
5377 * i386.md (movdi): Support medium model.
5378 (set_got_rex64): New pattern.
5379 * i386.opt (mlarge-data-threshold): New flag.
5380 * predicates.md (zext_operand/sext_operand): Deal with medium model.
5381 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
5382 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
5383 TARGET_ASM_UNIQUE_SECTION): New.
5385 * invoke.texi (-mlarge_data_threshold): Document
5387 2005-07-31 Jan Hubicka <jh@suse.cz>
5389 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
5390 (coalesce_vars): Likewise.
5391 * tree-ssa-live.c (coalesce_cost): New.
5392 (build_tree_conflict_graph): Use coalesce_cost.
5393 * tree-ssa-live.h (coalesce_cost): Declare.
5395 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
5397 * arm.md (all peepholes for post-increment operations): Delete.
5398 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
5399 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
5400 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
5401 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
5402 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
5404 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
5406 * fold-const.c (tree_expr_nonnegative_p): Always return true for
5409 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
5412 * doc/invoke.texi: Document -rdynamic.
5414 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
5417 * c-parser.c (c_parser_parms_list_declarator): Call
5418 mark_forward_parm_decls.
5419 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
5420 decls with visibility structure.
5422 2005-07-30 Paul Brook <paul@codesourcery.com>
5424 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
5426 2005-07-30 Paul Brook <paul@codesourcery.com>
5428 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
5430 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
5432 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
5434 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5437 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
5438 nested function declarators.
5439 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
5440 (grokparms): Call warn_if_shadowing for parameters used within the
5442 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
5443 not used within the parameter list.
5444 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
5446 2005-07-30 Jan Hubicka <jh@suse.cz>
5448 * expr.c (expand_expr_real_1): Do not load mem targets into register.
5449 * i386.c (ix86_fixup_binary_operands): Likewise.
5450 (ix86_expand_unary_operator): Likewise.
5451 (ix86_expand_fp_absneg_operator): Likewise.
5452 * optabs.c (expand_vec_cond_expr): Validate dest.
5454 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5457 * real.c (real_from_string): Also set last bit if there is a
5458 nonzero hex digit beyond GCC's internal precision after ".".
5460 2005-07-29 David Edelsohn <edelsohn@gnu.org>
5462 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
5463 define_constants. Change duplicate values to unassigned numbers.
5464 Change UNSPEC_SUBS to UNSPEC_VSUBS.
5465 (*altivec_vspltsf): New.
5466 (altivec_vperm_v4sf): Delete.
5467 (altivec_vperm_<mode>): Use mode macro V.
5468 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
5469 (altivec_predicate_v4sf): Delete.
5470 (altivec_predicate_<mode>): Use mode macro V.
5471 (*altivec_lvesfx): New.
5472 (*altivec_stvesfx): New.
5473 (vec_realign_load_v4sf): Delete.
5474 (vec_realign_load_<mode>): Use mode macro V.
5475 * config/rs6000/rs6000.c (generate_set_vrsave): Use
5478 2005-07-29 Mark Mitchell <mark@codesourcery.com>
5481 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
5483 * configure: Regenerated.
5485 2005-07-29 Paul Brook <paul@codesourcery.com>
5487 * doc/install.texi: Add link to GFortran binaries wiki page.
5489 2005-07-29 David Ung <davidu@mips.com>
5491 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
5492 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
5493 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
5494 * config/mips/mips.md (cpu): Add 5kf name.
5495 (includes): Includes 5k.md.
5496 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
5497 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
5500 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5503 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
5504 (cleanup_tree_cfg): ... here.
5505 Call cleanup_tree_cfg_1 until there are no more cleanups to
5508 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
5510 * tree-vrp.c (compare_range_with_value): Return true or false
5511 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
5512 EQ_EXPR respectively.
5514 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
5516 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
5519 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5521 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
5522 (tree_ssa_dominator_optimize): Increment it.
5523 (dump_dominator_optimization_stats): Print it.
5525 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
5526 Steven Bosscher <stevenb@suse.de>
5528 PR rtl-optimization/23117
5529 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
5530 when head == tail. Tidy comment.
5532 2005-07-28 Richard Henderson <rth@redhat.com>
5534 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
5535 * cselib.c (rtx_equal_for_cselib_p): Likewise.
5536 * jump.c (rtx_renumbered_equal_p): Likewise.
5537 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
5538 CONST_INT and CONST_DOUBLE.
5539 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
5540 * reload.c (operands_match_p): Special case CONST_INT and
5541 CONST_DOUBLE; check mode earlier.
5543 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5546 * c-typeck.c (convert_for_assignment): Do not check
5547 DECL_IN_SYSTEM_HEADER on NULL fundecl.
5549 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5552 * c-typeck.c (composite_type): Prefer constant size arrays to
5555 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5558 * real.c (real_from_string): Set last bit if there is a nonzero
5559 hex digit beyond GCC's internal precision.
5561 2005-07-28 Richard Henderson <rth@redhat.com>
5564 * cfgcleanup.c (try_forward_edges): Watch out for end of
5567 2005-07-28 James E Wilson <wilson@specifixinc.com>
5570 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
5572 2005-07-28 Jan Hubicka <jh@suse.cz>
5574 * Makefile.in (rtl-profile.o): Kill all traces of it.
5575 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
5576 * coverage.h (rtl_coverage_counter_ref): Kill.
5577 * opts.c (flag_speculative_prefetching_set): Kill.
5578 (flag_loop_optimize_set): New.
5579 (common_handle_option): Disable loop optimizer when profiling;
5580 do not handle speculative prefetching.
5581 * passes.c (init_optimization_passes): Replace pass_profiling combo
5582 by branch_prob pass.
5583 * profile.c (compute_value_histograms): Update for simplified value
5585 (rtl_register_profile_hooks): Kill.
5586 (pass_profiling): Kill.
5587 (rest_of_handle_branch_prob): Do not profile.
5588 * toplev.c (process_options): Remove speculative prefetching.
5589 * toplev.h (flag_tree_based_profiling): Kill.
5590 * tree-profile.c (prepare_instrumented_value,
5591 tree_gen_interval_profiler, tree_gen_pow2_profiler,
5592 tree_gen_one_value_profiler, do_tree_profiling): Update for
5593 simplified datastructures.
5594 * value-prof.c: Add comment that speculative prefetching was dropped;
5595 update rest of file for simplified datastructures.
5596 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
5597 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
5598 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
5599 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
5600 rtl_mod_subtract, gen_speculative_prefetch,
5601 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
5602 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
5603 (gate_handle_value_profile_transformations,
5604 rest_of_handle_value_profile_transformations,
5605 pass_value_profile_transformations): Kill.
5606 * value-prof.h (histogram_value_t): Remove IL based unions.
5607 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
5608 rtl_profile_hooks): Remove hooks.
5610 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
5612 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
5613 (cgraph_clone_node): Likewise.
5614 * cgraph.h (cgraph_clone_edge): Update prototype.
5615 (cgraph_clone_node): Likewise.
5616 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
5618 (lookup_recursive_calls): Consider profile.
5619 (cgraph_decide_recursive_inlining): Fix updating; use new
5620 probability argument; use profile.
5621 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
5622 * tree-inline.c (copy_bb): Update clal of clone_edge.
5623 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
5625 * invoke.texi (min-inline-recursive-probability): Document.
5627 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
5629 * doc/install.texi (Configuration): Update Valgrind homepage.
5631 2005-07-28 Richard Henderson <rth@redhat.com>
5634 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
5635 labels we want to delete.
5636 (cfg_layout_merge_blocks): Likewise.
5638 2005-07-28 Richard Henderson <rth@redhat.com>
5641 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
5642 when expanding to nothing.
5644 2005-07-28 Josh Conner <jconner@apple.com>
5646 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
5647 (cgraph_decide_inlining_of_small_functions): Likewise.
5649 2005-07-28 Josh Conner <jconner@apple.com>
5651 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
5652 direction of badness if negative.
5653 (cgraph_default_inline_p): Add reason to parameters, and assign it
5655 (cgraph_decide_inlining_of_small_functions): New parameter in call
5656 to cgraph_default_inline_p.
5657 (cgraph_decide_inlining_incrementally): Likewise.
5658 * cgraphunit.c (decide_is_function_needed): Likewise.
5659 * cgraph.h (cgraph_default_inline_p): Likewise.
5661 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5663 * builtins.c: Fix comment typo(s).
5664 * genautomata.c: Likewise.
5665 * gimplify.c: Likewise.
5666 * tree-dfa.c: Likewise.
5667 * tree-flow-inline.h: Likewise.
5668 * tree-into-ssa.c: Likewise.
5669 * tree-ssa-alias.c: Likewise.
5670 * tree-ssa-ccp.c: Likewise.
5671 * tree-ssa-copy.c: Likewise.
5672 * tree-ssa-dce.c: Likewise.
5673 * tree-ssa-dom.c: Likewise.
5674 * tree-ssa-operands.c: Likewise.
5675 * tree-tailcall.c: Likewise.
5676 * tree-vectorizer.c: Likewise.
5677 * tree-vrp.c: Likewise.
5680 2005-07-28 Jeff Law <law@redhat.com>
5682 * tree-vrp.c (test_for_singularity): Extracted from ...
5683 (simplify_cond_using_ranges): Attempt to simplify a relational
5684 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
5686 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
5688 PR tree-optimization/22506
5689 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
5690 phis whose argument is constant.
5692 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
5694 PR rtl-optimization/18992
5695 Back out this patch:
5696 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5697 PR optimization/12142
5698 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
5699 uses of the register in the SET_SRC. Remove unnecessary argument.
5701 Replace it with this:
5702 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
5703 if flag_non_call_exceptions is set and the insn may trap, pass
5704 pc_rtx as dest for recursion.
5705 In SET_SRC part of SET case, if dest is already set, pass it down
5708 2005-07-28 Jan Hubicka <jh@suse.cz>
5710 * cfg.c (update_bb_profile_for_threading): Use RDIV.
5711 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
5712 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
5714 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
5715 profile when available.
5717 2005-07-28 Jan Beulich <jbeulich@novell.com>
5719 * config/ia64/ia64.c (ia64_load_pair_ok): New.
5720 (ia64_print_operand): Describe and handle 'X'.
5721 (ia64_register_move_cost): Also handle FP_REGS.
5722 (ia64_preferred_reload_class): Likewise.
5723 (ia64_secondary_reload_class): Likewise.
5724 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
5725 it. Also check for ITANIUM_CLASS_FLDP.
5726 * config/ia64/ia64.h (FP_REGNO_P): New.
5727 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
5728 (reg_class): Add FP_REGS.
5729 (REG_CLASS_NAMES): Adjust for it.
5730 (REG_CLASS_CONTENTS): Likewise.
5731 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
5732 (REG_CLASS_FROM_LETTER): Handle 'x'.
5733 (CLASS_MAX_NREGS): Handle FP_REGS.
5734 (MEMORY_MOVE_COST): Likewise.
5735 * config/ia64/ia64.md (itanium_class): Add fldp.
5736 (type): Handle fldp.
5737 (movti_internal): More allowable operand combinations. Use ldfp8 when
5738 splitting unnecessary. Remove predicable attribute. Adjust
5739 itanium_class attribute.
5740 (smuldi3_highpart): Remove outdated comment.
5741 (mulditi3, umulditi3, rotlti3): New expanders.
5742 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
5743 (absti2): Disabled new insn for future reference.
5744 Respective new splitters.
5745 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
5746 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
5747 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
5749 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
5751 PR rtl-optimization/23047
5752 * simplify-rtx.c (simplify_const_relational_operation): Respect
5753 flag_wrapv for comparisons with ABS.
5755 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
5757 PR tree-optimization/22493
5758 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
5759 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
5761 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
5763 * config/frv/frv.opt (moptimize-membar): New.
5765 * doc/invoke.texi: Document -moptimize-membar and its inverse.
5767 * config/frv/frv.h: Remove machine_function definition.
5769 * config/frv/frv.c (struct frv_io): New.
5770 (struct machine_function): Moved from frv.h. Add has_membar_p.
5771 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
5772 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
5773 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
5774 (frv_optimize_membar_global, frv_optimize_membar): New functions.
5775 (frv_reorg): Call frv_optimize_membar when appropriate.
5776 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
5777 (frv_expand_builtin): Adjust calls accordingly.
5778 (frv_io_address_cookie): New function.
5779 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
5780 load or store rather than a special insn. Add ccnstant address and
5781 io-type operands to the membar.
5782 (frv_ifcvt_modify_tests): Unsign regno.
5783 (frv_ifcvt_modify_tests): Same.
5785 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
5786 UNSPEC_OPTIONAL_MEMBAR constant.
5787 (builtin_read_<mode>): Delete.
5788 (builtin_write_<mode>): Delete.
5789 ("optional_membar_<mode>"): Add operand.
5791 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
5792 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
5793 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
5794 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
5795 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
5796 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
5797 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
5798 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
5799 * testsuite/gcc.target/frv/all-read-write-1.c: New.
5801 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
5803 * df.c (df_uses_record): Handle SCRATCH.
5805 2005-07-28 Steven Bosscher <stevenb@suse.de>
5808 * passes.c (rest_of_decl_compilation): If decl is a type and
5809 we have encountered errors, don't emit debug information.
5811 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5813 * params.def: Fixed comment.
5815 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
5818 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
5819 (TARGET_ASM_UNALIGNED_HI_OP): Add.
5820 (TARGET_ASM_UNALIGNED_SI_OP): Add.
5822 2005-07-27 Steven Bosscher <stevenb@suse.de>
5825 * varasm.c (assemble_start_function): Don't do anything that may
5826 require a CFG if the current function is a thunk.
5828 2005-07-25 Geoffrey Keating <geoffk@apple.com>
5830 * doc/install.texi (Prerequisites): Mention that perl is needed
5831 to do export control in libstdc++ targetting Darwin.
5833 2005-07-27 Steven Bosscher <stevenb@suse.de>
5835 PR rtl-optimization/17808
5836 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
5837 (sched_insns_conditions_mutex_p): Split out from...
5838 (add_dependence): ...here. But don't call it from here.
5839 (add_dependence_list): Check sched_insns_conditions_mutex_p
5840 before calling add_dependence.
5841 (add_dependence_list_and_free): Likewise.
5842 (fixup_sched_groups): Likewise.
5843 (sched_analyze_1): Likewise.
5844 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
5845 (sched_analyze): Likewise.
5846 (sched_analyze_insn): Likewise.
5847 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5848 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
5849 dependencies on all COND_EXEC insns to jumps ending basic blocks
5850 when doing intrablock scheduling.
5851 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
5853 2005-07-27 Jeff Law <law@redhat.com>
5855 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
5856 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
5857 equivalency sets, correctly handle the case were vr0 has an
5858 equivalency set, but vr1 does not.
5860 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
5862 PR tree-optimization/23073
5863 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
5864 vect_print_dump_info before fprintf.
5866 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5868 PR tree-optimize/22348
5869 * tree-ssa-loop-niter.c (number_of_iterations_cond):
5870 Fold the partial computation.
5872 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5874 PR tree-optimization/22325
5875 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
5877 * tree-scalar-evolution.c (scev_const_prop): Add generic final
5879 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
5880 (force_var_cost): ... this function.
5881 (compute_phi_arg_on_exit): Export.
5883 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5885 PR tree-optimization/20773
5886 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
5889 2005-07-27 Richard Guenther <rguenther@suse.de>
5891 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
5892 Avoid pushing again if current struct contains only
5893 fields we decomposed.
5895 2005-07-27 Jan Hubicka <jh@suse.cz>
5897 PR tree-optimization/22574
5898 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
5901 * tree-tailcall.c (decrease_profile): New function.
5902 (eliminate_tail_call): Use it.
5904 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
5905 visibility flags correctly in whole program mode.
5907 2005-07-26 Steve Ellcey <sje@cup.hp.com>
5909 PR rtl-optimization/22472
5910 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
5912 2005-07-26 Steven Bosscher <stevenb@suse.de>
5914 PR tree-optimization/22504
5915 * tree-complex.c (expand_complex_addition): Use 'code' instead
5916 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
5918 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
5920 * config.gcc (cpu_type): Add frv case.
5921 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
5922 (supported_defaults): Add fr550 case.
5924 2005-07-26 Diego Novillo <dnovillo@redhat.com>
5927 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
5928 whether a pointer of type T * may point to objects of type T *.
5930 2005-07-26 DJ Delorie <dj@redhat.com>
5932 * configure: Regenerate.
5934 2005-07-26 Dale Johannesen <dalej@apple.com>
5936 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
5938 2005-07-26 Mark Mitchell <mark@codesourcery.com>
5940 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
5941 Clarify use of "build" in name.
5943 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
5945 * doc/extend.texi (Raw read/write Functions): New section.
5946 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
5947 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
5948 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
5949 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
5950 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
5951 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
5952 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
5953 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
5954 * config/frv/frv.c: Add bdesc_loads global.
5955 Add bdesc_stores global.
5956 (frv_init_builtins): Add support for __builtin_{read/write}*.
5957 (frv_volatile_memref): New.
5958 (frv_expand_load_builtin): New.
5959 (frv_expand_store_builtin): New.
5960 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
5961 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
5962 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
5963 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
5964 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
5965 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
5966 (builtin_read_<mode>): New.
5967 (builtin_write_<mode>): New.
5968 (builtin_write64): New.
5969 (optional_membar_<mode>): New.
5971 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
5973 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
5974 (rather than units) against HOST_BITS_PER_WIDE_INT.
5976 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
5978 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
5979 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
5980 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
5981 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
5984 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
5985 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
5986 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
5988 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
5990 2005-07-26 Richard Guenther <rguenther@suse.de>
5992 PR tree-optimization/22486
5993 * fold-const.c (fold_unary): Fold away useless component
5994 references of the form (T *)&T.x, if the address
5997 2005-07-25 James E Wilson <wilson@specifixinc.com>
5999 * dwarf2out.c (add_call_src_coords_attributes): New.
6000 (gen_inlined_subroutine_die): Call it.
6001 (maybe_emit_file, init_file_table): Add comments.
6002 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
6004 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
6005 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
6006 * tree.h (BLOCK_SOURCE_LOCATION): New.
6007 (struct tree_block): New field locus.
6009 2005-07-26 Andreas Schwab <schwab@suse.de>
6011 PR rtl-optimization/23043
6012 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
6013 when allocating a struct unoccr.
6015 2005-07-25 Richard Henderson <rth@redhat.com>
6018 * tree-complex.c (gate_no_optimization): True if errors.
6019 * Makefile.in (tree-complex.o): Update dependencies.
6021 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
6023 * config/frv/predicates.md (integer_register_operand): Use
6026 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
6029 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
6031 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
6033 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
6035 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
6036 types when flag_unsafe_math_optimizations is true.
6038 2005-07-25 Mark Mitchell <mark@codesourcery.com>
6040 * gcc.c (option_map): Add --sysroot.
6041 (process_command): Handle --sysroot.
6042 (display_help): Document it.
6043 * doc/cppopts.tex (-isysroot): Document.
6044 * doc/invoke.texi (--sysroot): Document.
6045 * doc/install.texi (--with-build-sysroot): Document.
6047 * Makefile.in (inhibit_libc): New variable.
6048 (INHIBIT_LIBC_CFLAGS): Likewise.
6049 (LIBGCC2_CFLAGS): Include
6050 $(INHIBIT_LIBC_CFLAGS).
6051 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
6052 ($(T)crtbegin.o): Do not use @inhibit_libc@.
6053 ($(T)crtend.o): Likewise.
6054 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
6055 ($(T)crtendS.o): Likewise.
6056 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
6057 ($(T)crtendT.o): Likewise.
6058 (stmp-fixinc): Do not complain about missing headers if
6060 * configure.ac (inhibit_libc): Set it to true/false.
6061 (--with-build-sysroot): New option. Use it to set
6063 * configure: Regenerated.
6065 2005-07-25 Manfred Hollstein <mh@suse.com>
6067 * calls.c (store_one_arg): Fix unsigned comparison warning.
6069 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
6072 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
6073 (ggc_print_statistics): Initialize variable before use.
6075 2005-07-25 Richard Guenther <rguenther@suse.de>
6077 * tree-dfa.c (mark_new_vars_to_rename): Protect against
6078 calling with a PHI_NODE argument.
6080 * tree-flow-inline.h (overlap_subvar): Protect against
6083 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
6085 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
6086 * configure: Regenerate.
6088 2005-07-25 Ira Rosen <irar@il.ibm.com>
6090 * expr.c (highest_pow2_factor): Make extern.
6091 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
6092 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
6093 record_array_differ_p, array_ptr_differ_p): Likewise.
6094 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
6095 additional cases. Call the above functions.
6096 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
6097 base_object_differ_p when there are two base objects. Otherwise, compare
6098 base address and offset. Call may_alias_p.
6099 (dump_data_reference): Use a correct field name.
6100 (analyze_array): Make static. Initialize new data-ref fields.
6101 (analyze_indirect_ref): New function.
6102 (init_data_ref): Initialize new data-ref fields.
6103 (strip_conversion): Moved from tree-vect-analyze.c.
6104 (analyze_offset_expr, get_ptr_offset, address_analysis,
6105 object_analysis): Likewise.
6106 (analyze_offset): New function.
6107 (create_data_ref): Likewise.
6108 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
6109 dimensions for ARRAY_REFs only.
6110 (build_classic_dist_vector): Make static.
6111 (access_functions_are_affine_or_constant_p): Call macro to get the
6112 address of access functions.
6113 (compute_all_dependences): Add new parameter
6114 compute_self_and_read_read_dependences. Compute self and read-read
6115 dependences if it is true.
6116 (find_data_references_in_loop): Call create_data_ref. Initialize new
6118 (compute_data_dependences_for_loop): Add new parameter
6119 compute_self_and_read_read_dependences. Remove parameter nb_loops,
6120 compute nb_loops. Call compute_all_dependences,
6121 build_classic_dist_vector and build_classic_dir_vector with correct
6123 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
6124 with correct parameters. Compare dimensions for ARRAY_REFs only.
6125 (free_data_refs): Call macro to free access functions.
6126 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
6127 fields from stmt_vinfo.
6128 (struct base_object_info): New structure.
6129 (struct data_reference): Move fields to base_object_info. Add fields
6130 first_location and object_info for above structures. Move fields from
6131 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
6132 aligned_to. Add macros to access the new fields.
6133 Update functions declarations.
6134 * tree-flow.h (is_aliased_with): Declare.
6135 * tree-loop-linear.c (linear_transform_loops): Call
6136 compute_data_dependences_for_loop with correct parameters.
6137 * tree-ssa-alias.c (is_aliased_with): New function.
6138 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
6139 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
6140 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
6141 vect_base_addr_differ_p, compute_subscript_distance and
6142 build_classic_dist_vector. Add printings. Check absolute value of
6144 (vect_analyze_data_ref_dependences): Go through ddrs instead of
6146 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
6147 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
6148 to bytes. Add printing.
6149 (vect_compute_data_refs_alignment): Go through loads and stores in one
6151 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
6152 vect_analyze_data_ref_access): Likewise.
6153 (vect_analyze_pointer_ref_access): Remove.
6154 (vect_address_analysis, vect_object_analysis): Likewise.
6155 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
6156 and analyze data-refs in the loop.
6157 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
6158 fields of data-ref instead of stmt. Add init to the offset from the
6160 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
6161 (vect_update_init_of_dr): Likewise.
6162 (vect_update_inits_of_drs): Go through loads and stores in one loop.
6163 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
6165 (new_loop_vec_info): Initialize new fields.
6166 (destroy_loop_vec_info): Free new fields.
6167 (vect_strip_conversion): Remove.
6168 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
6169 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
6170 datarefs. Add new field ddrs.
6171 Add macros for the new fields access.
6172 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
6173 base_aligned_p, misalignment, memtag, ptr_info and subvars.
6174 Remove their macros.
6175 * tree.h (highest_pow2_factor): Declare.
6177 2005-07-25 Jakub Jelinek <jakub@redhat.com>
6179 * calls.c (store_one_arg): Check for sibling call MEM arguments
6180 from already clobbered incoming argument area.
6182 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6184 * c-common.c (check_missing_format_attribute): New.
6185 * c-common.h (check_missing_format_attribute): Likewise.
6186 * c-typeck.c (convert_for_assignment): Use it.
6188 2005-07-24 Andreas Schwab <schwab@suse.de>
6190 * config/m68k/m68k.md ("extendqidi2"): When source is an address
6191 register use a word move. Correct operand of ext.w in 68000 code.
6193 2005-07-23 Mark Mitchell <mark@codesourcery.com>
6195 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
6196 variables as declarations, rather than definitions.
6198 2005-07-24 Ira Rosen <irar@il.ibm.com>
6200 PR tree-optimization/22526
6201 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
6204 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6206 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
6207 that C99 reserve for future use. Use it to define clog10,
6208 clog10f and clog10l.
6210 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6212 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
6213 * configure.ac: Check for -Wmissing-format-attribute.
6215 * configure: Regenerate.
6217 2005-07-23 Richard Henderson <rth@redhat.com>
6219 PR tree-optimization/22623
6220 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
6222 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
6225 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
6227 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6229 * Makefile.in (C_TREE_H): Update dependencies.
6230 * c-tree.h: Include toplev.h.
6231 * diagnostic.h (diagnostic_set_info): Add format attribute.
6232 * rtl-error.c (diagnostic_for_asm): Likewise.
6234 2005-07-23 Chao-ying Fu <fu@mips.com>
6236 * config/mips/mips-dsp.md: New file.
6237 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
6238 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
6240 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
6241 MIPS_BUILTIN_BPOSGE32.
6242 (mips_expand_builtin_direct): Add one parameter to indicate that
6243 builtin functions need to return a value.
6244 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
6246 (mips_regno_to_class): Add classes for 12 new DSP registers.
6247 (mips_subword): Change to check four HI registers.
6248 (mips_output_move): Output move to and from 6 new DSP accumulators.
6249 (override_options): Make sure -mdsp and -mips16 are not used together.
6250 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
6252 (mips_conditional_register_usage): Disable 6 new DSP accumulators
6254 (print_operand): Add 'q' for printing DSP accumulators.
6255 (mips_cannot_change_mode_class): Check ACC_REGS.
6256 (mips_secondary_reload_class): Check ACC_REGS.
6257 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
6258 (mips_register_move_cost): Check ACC_REGS.
6259 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
6260 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
6261 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
6262 (dsp_bdesc): New array.
6263 (bdesc_arrays): Add DSP builtin function table.
6264 (mips_prepare_builtin_arg): Check predicate again after
6266 (mips_expand_builtin): Add one more parameter to
6267 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
6268 MIPS_BUILTIN_BPOSGE32.
6269 (mips_init_builtins): Initialize new function types.
6270 (mips_expand_builtin_direct): Check if builtin functions need to
6271 return a value and pass operands properly.
6272 (mips_expand_builtin_bposge): New function.
6273 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
6274 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
6275 (FIRST_PSEUDO_REGISTER): Increase to 188.
6276 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6277 Update for 12 new DSP registers.
6278 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
6279 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
6280 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
6281 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
6282 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
6283 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
6284 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
6285 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
6286 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
6287 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
6288 (REGISTER_NAMES): Add names for 12 new DSP registers.
6289 * config/mips/mips.md: Include mips-dsp.md.
6290 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
6291 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
6292 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
6293 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
6294 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
6295 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
6296 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
6297 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
6298 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
6299 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
6300 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
6301 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
6302 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
6303 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
6304 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
6305 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
6306 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
6307 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
6308 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
6309 (UNSPEC_RDDSP): New constants.
6310 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
6311 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
6313 * config/mips/mips.opt (-mdsp): New option.
6314 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
6315 (reg_imm10_operand): New predicates.
6316 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
6317 * doc/invoke.texi (-mdsp): Document new option.
6319 2005-07-22 DJ Delorie <dj@redhat.com>
6321 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
6323 * tree-inline.c (inlinable_function_p): Likewise.
6325 2005-07-22 Mark Mitchell <mark@codesourcery.com>
6328 * toplev.c (check_global_declarations): Do not mark undefined
6329 variables as DECL_IGNORED_P.
6330 * varasm.c (first_global_object_name): GTY it.
6331 (weak_global_object_name): Likewise.
6332 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
6333 a string to go into {weak,first}_global_object_name.
6335 2005-07-22 DJ Delorie <dj@redhat.com>
6337 * c-format.c (check_function_format): Change warning control
6338 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
6340 2005-07-22 Diego Novillo <dnovillo@redhat.com>
6342 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
6343 &PTR->FLD a dereference of PTR.
6344 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
6345 a potential dereference of PTR.
6347 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
6349 PR rtl-optimization/20370
6350 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
6351 call allocate_reg_info if necessary.
6353 PR rtl-optimization/21848
6354 * calls.c (emit_library_call_value_1): For const functions, add
6355 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
6357 PR rtl-optimization/22445
6358 * cselib.c (target.h): Include.
6359 (rtx_equal_for_cselib_p): Allow commutative matches.
6360 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
6361 Remove MODE parameter. Changed all callers.
6363 PR rtl-optimization/22258
6364 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
6366 (try_combine): Use likely_spilled_retval_p.
6368 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
6370 * config.gcc: Add crx-elf support.
6372 * doc/contrib.texi: Mention crx.
6373 * doc/extend.texi: Document crx extensions.
6374 * doc/install.texi: Document crx install.
6375 * doc/invoke.texi: Document crx options.
6376 * doc/md.texi: Document crx constraints.
6378 * config/crx/crx-protos.h: New file.
6379 * config/crx/crx.c: New file.
6380 * config/crx/crx.h: New file.
6381 * config/crx/crx.md: New file.
6382 * config/crx/crx.opt: New file.
6383 * config/crx/t-crx: New file.
6385 2005-07-22 Manfred Hollstein <mh@suse.com>
6387 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
6389 (int_add_graph_edge): Likewise.
6390 (collapse_nodes): Likewise.
6391 (process_unification_queue): Likewise.
6393 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6394 Laurent GUERBY <laurent@guerby.net>
6396 PR tree-optimization/22336
6397 * function.c (record_block_change): Check for
6398 cfun->ib_boundaries_block.
6400 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
6402 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
6403 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
6405 2005-07-21 DJ Delorie <dj@redhat.com>
6407 * toplev.c (warn_deprecated_use): Add warning control to warning
6409 * c-typeck.c (parser_build_binary_op): Likewise.
6410 (c_finish_if_stmt): Likewise.
6411 * c-common.c (check_function_sentinel): Likewise.
6412 (check_nonnull_arg): Likewise.
6414 2005-07-21 Richard Henderson <rth@redhat.com>
6417 * tree-complex.c (complex_ssa_name_components): New.
6418 (cvc_lookup): Allow entry not found.
6419 (create_components): Remove.
6420 (create_one_component_var, get_component_var): New.
6421 (get_component_ssa_name, set_component_ssa_name): New.
6422 (extract_component): Use get_component_ssa_name.
6423 (update_complex_components): Use set_component_ssa_name.
6424 (update_complex_components_on_edge): Likewise.
6425 (update_phi_components): Create new PHI nodes directly, instead
6426 of adding insns to edges.
6427 (tree_lower_complex): Allocate and free complex_variable_components
6428 and complex_ssa_name_components here.
6430 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
6432 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
6433 revert to returning false.
6435 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6438 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
6440 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6443 * config/i386/i386.md (cmpxf): Change operand constraints
6444 to "nonmemory_operand".
6446 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6448 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
6450 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6453 * fold-const.c (fold_build1): Add checksum for the operands.
6454 (fold_build2): Likewise.
6455 (fold_build3): Likewise.
6457 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6460 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
6462 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6464 * common.opt (-fforward-propagate): Committed by mistake,
6467 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6469 * reg-stack.c: Fix comment typo(s).
6470 * tree-ssa-operands.c: Likewise.
6471 * tree-vectorizer: Likewise.
6473 2005-07-21 Nick Clifton <nickc@redhat.com>
6475 * config/sh/symbian.c: Replace C++ style line comments with C
6476 style line comments.
6477 (symbian_add_attribute): Do not use a ? operator on the LHS of
6479 (sh_symbian_handle_dll_attribute): Change the type of the
6480 method vector to "VEC(tree,gc)*" and use vector accessor
6481 macros to walk over the elements.
6482 (symbian_export_vtable_and_rtti_p): Likewise.
6483 (symbian_class_needs_attribute_p): Likewise.
6485 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6488 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
6489 initialize targetm.resolve_overloaded_builtin here.
6490 (altivec_expand_overloaded_builtin): Make it non-static.
6491 * config/rs6000/rs6000-protos.h
6492 (altivec_expand_overloaded_builtin): New prototype.
6493 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
6494 targetm.resolve_overloaded_builtin here.
6495 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
6497 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6498 Zdenek Dvorak <dvorakz@suse.cz>
6500 PR tree-optimization/19210
6501 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
6503 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
6504 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
6505 rely on unproven assumptions.
6506 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
6507 * tree-flow.h (number_of_iterations_exit): Add final parameter.
6508 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
6509 to number_of_iterations_exit.
6510 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
6511 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
6512 * tree-ssa-loop-niter.c (find_loop_niter,
6513 estimate_numbers_of_iterations_loop): Likewise.
6514 (number_of_iterations_exit): Honor the new options.
6515 * doc/invoke.texi (Wunsafe-loop-optimizations,
6516 funsafe-loop-optimizations): Document them.
6518 2005-07-21 Richard Sandiford <richard@codesourcery.com>
6520 PR rtl-optimization/22167
6521 * gcse.c (hoist_code): Fix hoist_exprs[] check.
6523 2005-07-20 Adam Nemet <anemet@lnxw.com>
6525 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
6526 __do_global_dtors_aux longcall.
6528 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
6530 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
6531 (old_special_pred_table): Don't reference
6532 SPECIAL_MODE_PREDICATES.
6533 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
6534 * config/arc/arc.h: Don't mention PREDICATE_CODES.
6535 * config/sh/predicates.h: Don't mention
6536 SPECIAL_MODE_PREDICATES.
6537 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
6540 2005-07-20 DJ Delorie <dj@redhat.com>
6542 * config.gcc: Add m32c-elf support.
6544 * doc/contrib.texi: Mention m32c.
6545 * doc/extend.texi: Document m32c extensions.
6546 * doc/install.texi: Mention m32c.
6547 * doc/invoke.texi: Document m32c options.
6548 * doc/md.texi: Document m32c constraints.
6550 * config/m32c/addsub.md: New file.
6551 * config/m32c/bitops.md: New file.
6552 * config/m32c/cond.md: New file.
6553 * config/m32c/jump.md: New file.
6554 * config/m32c/m32c-lib1.S: New file.
6555 * config/m32c/m32c-lib2.c: New file.
6556 * config/m32c/m32c-modes.def: New file.
6557 * config/m32c/m32c-pragma.c: New file.
6558 * config/m32c/m32c-protos.h: New file.
6559 * config/m32c/m32c.abi: New file.
6560 * config/m32c/m32c.c: New file.
6561 * config/m32c/m32c.h: New file.
6562 * config/m32c/m32c.md: New file.
6563 * config/m32c/m32c.opt: New file.
6564 * config/m32c/minmax.md: New file.
6565 * config/m32c/mov.md: New file.
6566 * config/m32c/muldiv.md: New file.
6567 * config/m32c/predicates.md: New file.
6568 * config/m32c/prologue.md: New file.
6569 * config/m32c/shift.md: New file.
6570 * config/m32c/t-m32c: New file.
6572 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6574 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6575 (stack_protect_set, stack_protect_test): New expanders.
6576 (stack_protect_set_si, stack_protect_set_si_media,
6577 stack_protect_set_di_media, stack_protect_test_si,
6578 stack_protect_test_si_media, stack_protect_test_di_media):
6581 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
6583 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
6585 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
6587 * tree.h (tree_expr_nonzero_p): Export.
6588 * fold-const.c (tree_expr_nonzero_p): Likewise.
6589 Return true for CALL_EXPRs that are alloca calls.
6590 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
6592 * tree-flow.h (expr_computes_nonzero): Remove.
6593 * tree-vrp.c (expr_computes_nonzero): Remove.
6594 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
6595 (extract_range_from_unary_expr): Likewise.
6596 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
6597 tree_expr_nonzero_p.
6599 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
6601 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
6602 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
6603 extra arg "picreg" and use it instead of pic_offset_table_rtx.
6604 All callers changed.
6605 (frame_related_constant_load): New arg "related" which controls
6606 setting of RTX_FRAME_RELATED_P. All callers changed.
6607 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
6608 (bfin_expand_prologue): Add stack limit checking.
6609 * config/bfin/bfin.md (trapifcc): New pattern.
6611 * config/bfin/bfin.c: Include "langhooks.h".
6612 (def_builtin): Go through lang_hooks to call builtin_function.
6614 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
6615 * config/bfin/predicates.md (symbol_ref_operand): New.
6616 (call_insn_operand): Delete. All callers changed to use
6617 register_no_elim_operand.
6618 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
6620 (function_arg): Use it to generate the call's operand 2.
6621 (bfin_longcall_p): New function.
6622 (bfin_expand_call): Extra arg "cookie". All callers and declaration
6623 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
6624 determine if the address needs to be in a REG.
6625 (bfin_handle_longcall_attribute): New function.
6626 (bfin_attribute_table): Add "longcall" and "shortcall".
6627 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
6628 (CUMULATIVE_ARGS): New member call_cookie.
6629 (PREDICATE_CODES): Add symbol_ref_operand.
6630 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
6631 extra USE to the pattern.
6632 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
6633 New patterns, split off call_insn, sibcall_insn, call_value_insn and
6634 sibcall_value_insn; now the new patterns handle direct calls and the
6635 old ones indirect calls.
6636 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
6638 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
6640 * doc/trouble.texi: Update section on handling of empty loops.
6642 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
6644 * config.gcc: Remove support for sparc-*-openbsd*,
6645 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
6647 * config.host: Remove support for i860-*-sysv4* as a host.
6648 * config/i860/*, config/ip2k/*, config/ns32k/*,
6649 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
6650 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
6651 mention obsolete ports.
6653 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6655 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
6657 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
6658 of frame_pointer_rtx.
6659 (sh_expand_epilogue): Likewise.
6660 (sh_set_return_address): Likewise.
6661 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
6662 instead of FRAME_POINTER_REGNUM if needed. Add elimination
6663 offsets from FRAME_POINTER_REGNUM.
6664 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
6665 (sh_register_names): Add initializer for sfp.
6666 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
6667 (VALID_REGISTER_P): Likewise.
6668 (FIRST_PSEUDO_REGISTER): Update.
6669 (DWARF_FRAME_REGISTERS): Define.
6670 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
6671 (HARD_FRAME_POINTER_REGNUM): Define.
6672 (FRAME_POINTER_REGNUM): Redefine.
6673 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
6674 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
6675 from FRAME_POINTER_REGNUM.
6676 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
6677 FRAME_POINTER_REGNUM.
6678 (REG_CLASS_CONTENTS): Add sfp.
6679 (REG_ALLOC_ORDER): Likewise.
6680 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
6681 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
6682 of frame_pointer_rtx.
6683 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
6685 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
6687 * fold-const.c (tree_expr_nonnegative_p): Only return true for
6688 ABS_EXPR when flag_wrapv is false because of INT_MIN.
6689 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
6691 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
6694 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
6696 Make CONSTRUCTOR use VEC to store initializers.
6697 * c-common.c (complete_array_type): Update to cope with VEC in
6699 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
6700 (pp_c_constructor_elts): New function.
6701 * c-pretty-print.h (pp_c_constructor_elts): Declare.
6702 * c-typeck.c (build_function_call, build_c_cast, digest_init,
6703 struct constructor_stack, struct initializer_stack,
6704 constructor_elements, push_init_level, pop_init_level,
6705 add_pending_init, find_init_member, output_init_element): Update to
6706 cope with VEC in CONSTRUCTOR_ELTS.
6707 * coverage.c (build_fn_info_value, build_ctr_info_value,
6708 build_gcov_info): Likewise.
6709 * expr.c (categorize_ctor_elements_1, store_constructor,
6710 expand_expr_real_1): Likewise.
6711 * fold-const.c (fold_ternary): Likewise.
6712 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
6713 gimplify_init_constructor, gimplify_expr): Likewise.
6714 * tree-dump.c (dequeue_and_dump): Likewise.
6715 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
6717 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
6719 * tree-sra.c (generate_element_init_1): Likewise.
6720 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
6721 * tree-ssa-operands.c (get_expr_operands): Likewise.
6722 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
6723 * tree-vect-transform.c (vect_get_vec_def_for_operand):
6724 (get_initial_def_for_reduction): Likewise.
6725 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
6726 value handle in annotations.
6727 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
6728 tree_node_structure): Add support for constr_kind.
6729 (build_vector_from_ctor, build_constructor_single,
6730 build_constructor_from_list): New functions.
6731 (build_constructor): Update to take a VEC instead of a TREE_LIST.
6732 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
6733 Update to cope with VEC in CONSTRUCTOR_ELTS.
6734 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
6735 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
6736 CONSTRUCTOR_APPEND_ELT): New macros.
6737 (struct constructor_elt, struct tree_constructor): New data types.
6738 (union tree_node): Add tree_constructor field.
6739 * treestruct.def: Define TS_CONSTRUCTOR.
6740 * varasm.c (const_hash_1, compare_constant, copy_constant,
6741 compute_reloc_for_constant, output_addressed_constants,
6742 initializer_constant_valid_p, output_constant,
6743 array_size_for_constructor, output_constructor): Update to cope with
6744 VEC in CONSTRUCTOR_ELTS.
6745 * vec.h (VEC_empty, VEC_copy): New macros.
6747 2005-07-19 Devang Patel <dpatel@apple.com>
6749 * dbxout.c (dbxout_type): Check Objective-C++ lang.
6751 2005-07-19 Richard Henderson <rth@redhat.com>
6754 * gimplify.c (gimplify_expr): Use main variant type for the temp
6755 destination for a discarded volatile read.
6756 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
6757 casts between non-void types that change volatility.
6759 2005-07-15 DJ Delorie <dj@redhat.com>
6761 * toplev.h: Add comment about the first parameter for warning().
6762 * errors.h: Likewise.
6764 * c.opt (Wpragmas): New.
6765 * doc/invoke.texi: Document it.
6767 * function.c (do_warn_unused_parameter): Add warning control to
6769 * c-decl.c (warn_if_shadowing): Likewise.
6770 * c-lex.c (cb_def_pragma): Likewise.
6771 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
6772 (pop_alignment): Likewise.
6773 (handle_pragma_pack): Likewise.
6774 (apply_pragma_weak): Likewise.
6775 (handle_pragma_weak): Likewise.
6776 (handle_pragma_redefine_extname): Likewise.
6777 (add_to_renaming_pragma_list): Likewise.
6778 (handle_pragma_extern_prefix): Likewise.
6779 (maybe_apply_renaming_pragma): Likewise.
6780 (handle_pragma_visibility): Likewise.
6782 * config/c4x/c4x-c.c (BAD): Likewise.
6783 (c4x_parse_pragma): Likewise.
6784 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
6785 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
6786 (rs6000_pragma_longcall): Likewise.
6787 * config/v850/v850-c.c (pop_data_area): Likewise.
6788 (ghs_pragma_section): Likewise.
6789 (ghs_pragma_section): Likewise.
6790 (ghs_pragma_interrupt): Likewise.
6791 (ghs_pragma_starttda): Likewise.
6792 (ghs_pragma_startsda): Likewise.
6793 (ghs_pragma_startzda): Likewise.
6794 (ghs_pragma_endtda): Likewise.
6795 (ghs_pragma_endsda): Likewise.
6796 (ghs_pragma_endzda): Likewise.
6798 2005-07-19 Danny Berlin <dberlin@dberlin.org>
6799 Kenneth Zadeck <zadeck@naturalbridge.com>
6801 * Makefile.in: Removed tree-promote-statics.c
6802 * tree-promote-statics.c: Removed.
6803 * common.opt: Removed flag-promote-statics.
6805 * passes.c: Removed tree-promote-statics pass.
6806 * tree-pass.h: Ditto.
6807 * timevar.def: Removed TV_PROMOTE_STATICS.
6810 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
6812 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
6814 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
6816 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6819 * c-common.c (check_function_arguments): Call
6820 'check_function_format' if either -Wformat or
6821 -Wmissing-format-attribute are specified.
6822 * c-format.c (check_function_format): Check -Wformat before
6823 calling 'check_format_info'.
6824 * c-opts.c (c_common_post_options): Don't warn for
6825 -Wmissing-format-attribute without -Wformat.
6826 * c-typeck.c (convert_for_assignment): Detect additional cases for
6827 -Wmissing-format-attribute.
6828 * doc/invoke.texi (-Wmissing-format-attribute): Document new
6831 2005-07-19 Richard Guenther <rguenther@suse.de>
6833 * config/i386/i386.md (lrint<mode>2): Use temporary
6834 instead of clobbering non-existent memory.
6836 2005-07-19 Nick Clifton <nickc@redhat.com>
6838 * config/avr/avr.c (legitimate_address_p): Fix debugging print
6839 statement to avoid displaying ASCII control characters.
6841 2005-07-19 Ben Elliston <bje@au.ibm.com>
6843 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
6844 * cfganal.c (find_edge_index): Ditto.
6845 * combine.c (combine_instructions): Ditto.
6846 * ddg.c (create_scc): Ditto.
6847 (find_successors): Ditto.
6848 (find_predecessors): Ditto.
6849 (find_nodes_on_paths): Ditto.
6850 (longest_simple_path): Ditto.
6851 * flow.c (update_life_info): Ditto.
6852 (count_or_remove_death_notes): Ditto.
6853 (clear_log_links): Ditto.
6854 * modulo-sched.c (generate_reg_moves): Ditto.
6855 (find_max_asap): Ditto.
6856 (find_max_hv_min_mob): Ditto.
6857 (find_max_dv_min_mob): Ditto.
6858 * sbitmap.c (sbitmap_first_set_bit): Ditto.
6859 * sched-rgn.c (extract_edgelst): Ditto.
6860 * tree-into-ssa.c (prepare_names_to_update): Ditto.
6861 (dump_update_ssa): Ditto.
6862 (ssa_names_to_replace) Ditto.
6863 (switch_virtuals_to_full_rewrite): Ditto.
6864 (update_ssa): Ditto.
6865 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
6867 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
6869 Fix PR tree-optimization/22483
6871 * tree-complex.c (create_components): Use
6872 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
6873 * tree-flow-inline.h (fill_referenced_var_vec): New function.
6874 * tree-flow.h (safe_referenced_var_iterator): New structure.
6875 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
6876 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
6877 safe_referenced_var iterator.
6878 (add_type_alias): Ditto.
6880 2005-07-19 Steven Bosscher <stevenb@suse.de>
6882 * loop-init.c (rest_of_handle_loop2): Remove.
6883 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
6884 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
6885 (pass_rtl_loop_init, pass_rtl_loop_done,
6886 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
6887 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
6888 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
6889 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
6890 pass_tree_loop_done, and pass_tree_unswitch.
6891 (gate_loop): Rename to gate_tree_loop.
6892 * passes.c (init_optimization_passes): Update for renamed tree
6893 loop passes. Add the new loop2 passes as subpasses of loop2.
6894 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
6895 Update for the renamed tree loop passes.
6897 2005-07-18 Ian Lance Taylor <ian@airs.com>
6900 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
6901 blocks when optimizing.
6903 2005-07-18 Steve Ellcey <sje@cup.hp.com>
6905 * common.opt (frename-registers): Initialize to 2.
6907 (fgcse-after-reload): Ditto.
6908 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
6909 (process_options): Only change flag_web, flag_rename_registers,
6910 and flag_rerun_cse_after_loop if not explicitly set by user.
6912 2005-07-18 Jan Beulich <jbeulich@novell.com>
6914 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
6915 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
6916 in 64-bit mode the same as DImode in 32-bit mode.
6917 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
6918 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
6919 mode. Add new mode parameter.
6920 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
6921 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
6922 x86_64_shift_adj): New expanders.
6923 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
6924 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
6926 Respective new splitters. Use renamed shift splitter helpers in 32-bit
6927 DImode shift splitters.
6928 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
6929 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
6932 2005-07-18 Jan Beulich <jbeulich@novell.com>
6934 * i386.md (movdi_extzv_1): New.
6935 (zero_extendhidi2): Combine alternatives and never force use of
6937 (zero_extendqidi2): Likewise. Don't restrict input selection.
6939 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6941 Fix PR tree-optimization/22531
6942 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
6945 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6947 * tree-promote-statics.c (pass_promote_statics): Change dump file
6950 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6952 * tree-optimize.c (init_tree_optimization_passes): Add
6953 pass_eliminate_useless_stores pass.
6954 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
6955 * tree-ssa-pre.c (is_copy_stmt): New function.
6956 (follow_copies_till_vuse): Ditto.
6957 (do_eustores): Ditto.
6958 (gate_eustores): Ditto.
6960 2005-07-16 Richard Henderson <rth@redhat.com>
6962 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
6964 2005-07-16 Danny Berlin <dberlin@dberlin.org>
6965 Kenneth Zadeck <zadeck@naturalbridge.com>
6967 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
6968 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
6969 ipa-type-escape.h, tree-promote-statics.c
6970 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
6971 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
6972 tree-promote-statics.c: new files.
6973 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
6974 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
6975 int nonlocal_set_p, mark_constant_function): Deleted.
6976 (rest_of_handle_cfg): Removed call to mark_constant_function.
6977 (nonoverlapping_component_refs_p): Added calls to support
6978 type based aliasing.
6979 * tree-ssa-alias.c (may_alias_p,
6980 compute_flow_insensitive_aliasing): Ditto.
6981 * calls.c (flags_from_decl_or_type): Removed reference to
6983 * c-typeck.c (convert_arguments): Make builtins tolerant of having
6984 too many arguments. This is necessary for Spec 2000.
6985 * cgraph.h (const_function, pure_function): Removed.
6986 * common.opt: Added "fipa-pure-const", "fipa-reference",
6987 "fipa-type-escape", and "ftree-promote-static".
6989 * passes.c: Added ipa and tree-promote-statics passes.
6990 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
6991 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
6992 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
6993 * tree-flow.h: Added exposed sra calls and addition of
6994 reference_vars_info field for FUNCTION_DECLS.
6995 * tree-pass.h: Added passes.
6996 * tree-sra.c: (sra_init_cache): New function.
6997 (sra_insert_before, sra_insert_after) Made public.
6998 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
7000 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
7001 aliasing. (may_alias_p): Added code to use type escape analysis to
7003 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
7004 code to prune clobbers of static variables based on information
7005 produced in ipa-reference pass. Changed call clobbering so that
7006 statics are not marked as clobbered if the call does not clobber
7009 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
7011 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
7014 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7016 * doc/install.texi (*-*-solaris2*): Document recommended version
7017 of GNU binutils and mention GNU linker problem on Solaris 10.
7019 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
7022 * c-decl.c (c_build_bitfield_integer_type): New function.
7023 (finish_struct): Call it.
7024 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
7026 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7028 * c-typeck.c (digest_init): Call 'convert_for_assignment'
7031 2005-07-16 Jan Hubicka <jh@suse.cz>
7033 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
7034 (scale_bbs_frequencies_int): Watch roundoff errors.
7035 * predict.c (return_prediction): Initialize return_stmt.
7037 2005-07-16 Jan Hubicka <jh@suse.cz>
7039 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
7040 after RTL profiling.
7042 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
7045 * fold-const.c (build_range_check): Convert high/low to etype
7046 if we are only comparing against exp.
7048 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
7050 Fix PR tree-optimization/22376
7051 * tree-ssa-structalias.c (build_constraint_graph): We really meant
7053 (need_to_solve): New function.
7054 (compute_points_to_sets): Use it.
7056 2005-07-15 Jan Hubicka <jh@suse.cz>
7058 * cfg.c (update_bb_profile_for_threading): More diagnostic.
7059 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
7061 2005-07-15 Richard Guenther <rguenther@suse.de>
7063 * c-common.c (handle_flatten_attribute): New function.
7064 Add flatten function attribute.
7065 * doc/extend.texi: Document flatten function attribute.
7066 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
7067 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
7069 (cgraph_decide_inlining): Handle functions with flatten
7072 2005-07-14 David Edelsohn <edelsohn@gnu.org>
7074 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
7075 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
7076 UNSPEC_XCHG, UNSPEC_AND): New.
7077 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
7078 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
7079 * config/rs6000/sync.md (FETCHOP): New code macro.
7080 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
7082 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
7083 (sync_compare_and_swap<mode>): Same.
7084 (sync_lock_test_and_set<mode>): Same.
7085 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
7086 for QImode and HImode, and not PPC405.
7087 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
7088 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
7089 (sync_<fetchop>{si,di}_internal): New.
7090 (sync_nand{si,di}_internal): New.
7091 (sync_old_<fetchop>{si,di}_internal): New.
7092 (sync_old_nand{si,di}_internal): New
7093 (sync_new_<fetchop>{si,di}_internal): New.
7094 (sync_new_nand{si,di}_internal): New.
7095 (atomic_and{si,di}): New.
7096 (sync_new_nand{si,di}_internal): New.
7097 (atomic_and{si,di}): New.
7098 (sync_add<mode>_internal): Delete.
7099 (sync_addshort_internal): Use unspec instead of unspec_volatile.
7100 (sync_sub<mode>_internal): Delte.
7101 (sync_subshort_internal): New.
7102 (sync_andsi_internal): Use unspec instead of unspec_volatile.
7103 (sync_anddi_internal): Delete.
7104 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
7105 (sync_booldi_internal): Delete.
7106 (sync_boolc<mode>_internal): Delete.
7107 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
7108 (sync_boolc<mode>_internal2): Delete.
7109 (sync_boolcc<mode>_internal): Delete.
7110 (isync, lwsync): Use unspec instead of unspec_volatile.
7111 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
7112 Revert UNSPEC_VOLATILE.
7113 (rs6000_split_atomic_op): New.
7114 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
7116 2005-07-14 Eric Christopher <echristo@redhat.com>
7118 * config/mips/mips.c (mips_canonicalize_comparison): Cast
7119 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
7121 2005-07-14 Eric Christopher <echristo@redhat.com>
7123 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
7125 2005-07-14 Steven Bosscher <stevenb@suse.de>
7127 PR tree-optimization/22230
7128 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
7129 the computation of the four cross productions for "range op range".
7131 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
7132 Ulrich Weigand <uweigand@de.ibm.com>
7135 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
7138 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7140 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
7142 2005-07-14 Steve Ellcey <sje@cup.hp.com>
7144 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
7146 2005-07-14 Richard Guenther <rguenther@suse.de>
7149 * config/i386/i386-protos.h (ix86_function_value): Change
7150 prototype to match new target hook.
7151 * config/i386/i386.c (ix86_value_regno): Change prototype
7152 to take extra type argument.
7153 (TARGET_FUNCTION_VALUE): Define.
7154 (ix86_function_ok_for_sibcall): Pass extra argument to
7155 ix86_value_regno, check return slot rtx for exact match.
7156 (ix86_function_value): Take extra parameter. Dispatch to
7157 ix86_value_regno with fndecl/fntype as provided.
7158 (ix86_value_regno): Handle extra type argument.
7159 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
7161 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
7162 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
7163 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
7164 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
7165 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
7167 2005-07-14 Richard Guenther <rguenther@suse.de>
7169 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
7170 * calls.c (expand_call): Pass fntype to hard_function_value.
7171 (emit_library_call_value_1): Likewise.
7172 * explow.c: Include target.h.
7173 (hard_function_value): Take extra argument, the fntype.
7174 Use new target hook for function_value.
7175 * expr.h (hard_function_value): Change prototype.
7176 * function.c (aggregate_value_p): Pass 0 as fntype to
7177 hard_function_value.
7178 (assign_parms): Use new target hook for function_value.
7179 Pass 0 as fntype to hard_function_value.
7180 (expand_function_end): Likewise.
7181 * reg-stack.c: Include target.h.
7182 (stack_result): Use new target hook for function_value.
7183 * target-def.h: New target hook function_value.
7184 * target.h: Likewise.
7185 * targhooks.c (default_function_value): New function.
7186 * targhooks.h (default_function_value): Declare.
7188 2005-07-13 Ian Lance Taylor <ian@airs.com>
7190 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7192 2005-07-14 Jan Hubicka <jh@suse.cz>
7194 * tree-dfa.c (dump_variable): Use default_def function.
7195 * tree-ssa-alias.c (dump_points_to_info): Likewise.
7196 * tree-ssa.c (verify_use): Likewise.
7197 * tree-ssanames.c (release_ssa_name): Likewise.
7198 * tree-tailcall.c (eliminate_tail_call): Likewise.
7199 (tree_optimize_tail_calls_1): Likewise.
7200 * tree-vrp.c (get_value_range): Likewise.
7202 2005-07-14 Ben Elliston <bje@au.ibm.com>
7204 * gcc.c (main): Compare language[0] with '*' when iterating over
7207 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7209 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
7210 "s390_emit_compare". Add handling of CCZ1mode.
7211 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
7212 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
7214 (s390_branch_condition_mask): Add CCZ1mode handling.
7215 * config/s390/s390.md: ("seq", "*seq"): New pattern.
7216 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
7217 Use CCZ1mode instead of CCZmode.
7218 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
7220 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7222 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
7224 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
7226 2005-07-13 Eric Christopher <echristo@redhat.com>
7228 * config/mips/mips.c (mips_canonicalize_comparison): New.
7229 (mips_emit_int_relational): Use.
7231 2005-07-13 Eric Christopher <echristo@redhat.com>
7233 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7235 * config/s390/s390.md: Include tpf.md. Move tpf specific
7237 * config/s390/tpf.md: To here.
7238 * config/s390/s390.opt: Move tpf specific options...
7239 * config/s390/tpf.opt: to here. Add mmain option.
7240 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7241 * config/s390/tpf.h: Rewrite.
7243 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7245 * doc/tm.texi: Remove @xref{Cross-profiling}.
7247 2005-07-13 Jeff Law <law@redhat.com>
7249 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
7250 expressions, test their _DECL operands for pointer equality rather
7251 than using operand_equal_p.
7253 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7255 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
7256 (TARGET_POSIX_IO): This.
7257 * config/darwin.h: Likewise.
7258 * config/freebsd.h: Likewise.
7259 * config/linux.h: Likewise.
7260 * config/lynx.h: Likewise.
7261 * config/netbsd.h: Likewise.
7262 * config/rs6000/linux64.h: Likewise.
7263 * config/rs6000/linux.h: Likewise.
7264 * config/s390/tpf.h: Likewise.
7265 * config/sh/embed-elf.h: Likewise.
7266 * config/sparc/linux64.h: Likewise.
7267 * config/sparc/linux.h: Likewise.
7268 * config/svr4.h: Likewise.
7269 * gcov-io.h: Likewise.
7271 * doc/tm.texi: Updated.
7273 * libgcov.c (create_file_directory): Defined only if
7274 TARGET_POSIX_IO is defined.
7275 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
7278 2005-07-13 Jan Hubicka <jh@suse.cz>
7280 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
7282 2005-07-13 David Edelsohn <edelsohn@gnu.org>
7284 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
7285 structure as argument.
7287 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
7289 PR tree-optimization/21921
7290 * tree-iterator.c (tsi_link_before): Support the case when
7291 tsi_end_p (tsi) == true.
7293 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7295 PR tree-optimization/22442
7296 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
7299 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7301 PR rtl-optimization/20376
7302 * toplev.c (process_options): Enable -fweb and -frename-registers when
7304 * doc/invoke.texi: Update the information about when -fweb and
7305 -frename-registers are enabled.
7307 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7310 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
7311 if *rhs_p is not a SSA_NAME.
7313 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
7315 Fix PR tree-optimization/22422
7316 * tree-ssa-structalias.c (struct variable_info): Add flag for
7318 (get_varinfo): Now a static function.
7319 (new_varinfo): init has_union and is_special_var to false.
7320 (solution_set_add): Check has_union.
7321 (do_da_constraint): Move temporary variable so it gets reset
7323 Also check for special variable.
7324 (do_ds_constraint): Ditto.
7325 (do_sd_constraint): Ditto.
7326 (do_structure_copy): Check for special variable.
7327 (find_func_aliases): Ditto.
7328 (init_base_vars): Set special vars properly.
7330 2005-07-13 Jan Hubicka <jh@suse.cz>
7332 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
7335 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
7336 (get_expr_operands): Fix thinko wrt flags and subvars.
7338 PR tree-optimize/22379
7339 * tree-inline.c (expand_call_inline): Do not output sorry in early
7342 2005-07-12 Dale Johannesen <dalej@apple.com>
7344 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
7346 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7349 * host-linux.h: Include limits.h.
7351 2005-07-12 Dale Johannesen <dalej@apple.com>
7353 * expr.c (compress_float_constant): Add cost check.
7354 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
7356 2005-07-12 Dale Johannesen <dalej@apple.com>
7358 * gcc.target/i386/compress-float-sse.c: New.
7359 * gcc.target/i386/compress-float-sse-pic.c: New.
7360 * gcc.target/i386/compress-float-387.c: New.
7361 * gcc.target/i386/compress-float-387-pic.c: New.
7362 * gcc.dg/compress-float-ppc.c: New.
7363 * gcc.dg/compress-float-ppc-pic.c: New.
7365 2005-07-12 Eric Christopher <echristo@redhat.com>
7367 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7369 * config/s390/s390.md: Include tpf.md. Move tpf specific
7371 * config/s390/tpf.md: To here.
7372 * config/s390/s390.opt: Move tpf specific options...
7373 * config/s390/tpf.opt: to here. Add mmain option.
7374 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7375 * config/s390/tpf.h: Rewrite.
7377 2005-07-12 Eric Christopher <echristo@redhat.com>
7379 * gcc.c (struct infile): Update comment for language.
7380 (main): Rewrite input file resetting code.
7382 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7385 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
7386 requiring a cast in a non RHS of modify_expr. Add a cast when required.
7387 (lookup_avail_expr): Use constant_boolean_node instead
7388 of boolean_false_node/boolean_true_node.
7390 2005-07-12 Ben Elliston <bje@au.ibm.com>
7392 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
7393 and use it when printing num_edges.
7395 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
7397 * doc/extend.texi (Blackfin Built-in Functions): New section.
7398 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
7401 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
7403 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
7404 s/cmpstrsi/cmpstrnsi
7405 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
7407 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
7408 (init_optabs): Initialize cmpstrn_optab.
7409 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
7410 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
7411 * expr.c: (enum insn_code cmpstrn_optab): Declare.
7412 * config/i386/i386.md: s/cmpstr/cmpstrn
7413 * config/c4x/c4x.md: s/cmpstr/cmpstrn
7414 * doc/md.texi: Update documentation.
7416 2005-07-11 Richard Henderson <rth@redhat.com>
7418 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
7419 build_va_arg_indirect_ref.
7420 (alpha_gimplify_va_arg): Likewise.
7421 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7422 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7423 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
7424 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7425 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7426 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
7428 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7430 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7432 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
7433 * passes.c (init_optimization_passes): Add pass_empty_loop.
7434 * tree-pass.h (pass_empty_loop): Declare.
7435 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
7436 try_remove_empty_loop, remove_empty_loops): New functions.
7437 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
7438 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
7440 2005-07-12 Peter Barada <peter@the-baradas.com>
7444 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
7445 in address registers.
7446 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
7447 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
7448 alternative of addsi3_5200.
7450 2005-07-11 Ian Lance Taylor <ian@airs.com>
7452 * config/mips/mips.md (ffs<mode>2): Remove.
7454 2005-07-11 Ian Lance Taylor <ian@airs.com>
7456 * doc/tree-ssa.texi (Cleanups): Improve description of
7458 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
7460 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7462 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
7463 * tree.h (DECL_ARGUMENT_FLD): New macro.
7465 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7467 Fix PR tree-optimization/22404
7469 * tree-ssa-structalias.c (create_variable_info_for): Use
7472 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
7474 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
7475 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
7476 for second comparison operand.
7477 * config/bfin/predicates.md (reg_or_const_int_operand): New.
7479 * config/bfin/bfin.md (define_attr "type"): Add "sync".
7480 (define_insn_reservation "alu"): Likewise.
7481 (csync, ssync): Now of type sync.
7482 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
7483 -mcsync-anomaly -mspecld-anomaly.
7484 * config/bfin/bfin.opt (mcsync): Remove.
7485 (mcsync-anomaly, mspecld-anomaly): Add.
7486 * config/bfin/bfin.c: Include "insn-codes.h".
7487 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
7488 (TARGET_DEFAULT_TARGET_FLAGS): New.
7489 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
7491 2005-07-11 Steven Bosscher <stevenb@suse.de>
7493 * basic-block.h: Give the BB flags enum a name, bb_flags.
7494 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
7495 * cfgcleanup.c (enum bb_flags): Remove here.
7496 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
7497 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
7498 (update_forwarder_flag): Likewise.
7499 (thread_jump): Likewise.
7500 (try_forward_edges): Likewise.
7501 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
7502 forwarder flags. Don't clear bb->aux for all basic blocks. Only
7503 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
7505 2005-07-11 Richard Guenther <rguenther@suse.de>
7507 * config/i386/i386.opt: New target option -msseregparm.
7508 * config/i386/i386.c (override_options): Error out for
7509 -msseregparm but no SSE support.
7510 (ix86_function_sseregparm): Check for global sseregparm.
7511 * doc/invoke.texi: Document -msseregparm.
7513 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7515 * config.gcc (m32r-*-linux*): Use the default extra_parts.
7516 (m32rle-*-linux*): Ditto.
7518 2005-07-11 Jakub Jelinek <jakub@redhat.com>
7520 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
7521 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
7524 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7528 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
7529 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
7531 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
7533 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
7534 (varmap): Heapify varmap.
7535 (constraints): Heapify constraints.
7536 (struct constraint_graph): Heapify succs and preds.
7537 (constraint_vec_find): Update for heapification.
7538 (constraint_set_union): Ditto.
7539 (insert_into_complex): Ditto.
7540 (constraint_edge_vec_find): Ditto.
7541 (erase_graph_self_edge): Ditto.
7542 (add_graph_edge): Ditto.
7543 (get_graph_weights): Ditto.
7544 (merge_graph_nodes): Ditto.
7545 (build_constraint_graph): Ditto.
7546 (topo_visit): Ditto.
7547 (solve_graph): Ditto.
7548 (create_variable_info_for): Ditto.
7549 (init_base_vars): Ditto.
7550 (delete_points_to_sets): Free graph, varmap, and complex constraints.
7551 (condese_varmap_nodes): Free complex vector.
7552 (clear_edges_for_node): Clear succs and preds vector.
7554 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7556 * tree-ssa-structalias.c (update_alias_info): Change counting of
7557 references to not include vdefs.
7559 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7561 * tree-ssa-alias.c (free_used_part_map): Add missing free.
7564 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7566 * pa.c (pa_commutative_p): Make PLUS commutative when
7567 TARGET_NO_SPACE_REGS is true.
7569 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7571 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
7572 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
7573 * tree-dfa.c (dump_subvars_for): New.
7574 (debug_subvars_for): New.
7575 (dump_variable): Show subvariables if VAR has them.
7576 * tree-flow-inline.h (get_subvar_at): New.
7577 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
7578 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
7580 (struct subvar): Change fields offset and size to unsigned
7582 (dump_subvars_for): Declare.
7583 (debug_subvars_for): Declare.
7584 (get_subvar_at): Declare.
7585 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
7586 to unsigned HOST_WIDE_INT *.
7587 (overlap_subvar): Likewise.
7588 * tree-gimple.c (is_gimple_reg): Always return false for
7589 SFTs and memory tags.
7590 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
7592 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
7593 (compute_may_aliases): Call compute_points_to_sets.
7594 (collect_points_to_info_for): Remove.
7595 (compute_points_to_and_addr_escape): Remove.
7596 (delete_alias_info): Call delete_points_to_sets.
7597 (compute_flow_sensitive_aliasing): If the call to
7598 find_what_p_points_to returns false, call set_pt_anything.
7599 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
7600 (set_pt_anything): Clear pi->pt_vars.
7601 (set_pt_malloc): Remove.
7602 (merge_pointed_to_info): Remove.
7603 (add_pointed_to_expr): Remove.
7604 (add_pointed_to_var): Remove.
7605 (collect_points_to_info_r): Remove.
7606 (is_escape_site): Make extern.
7608 (create_overlap_variables_for): Call it.
7609 * tree-ssa-copy.c (merge_alias_info): Never merge
7610 flow-sensitive alias information.
7611 * tree-ssa-operands.c (get_expr_operands): Adjust variables
7612 offset and size to be unsigned HOST_WIDE_INT.
7613 (add_to_addressable_set): Rename from note_addressable.
7614 Set TREE_ADDRESSABLE as the variables are added to the set.
7616 (add_stmt_operand): Do not try to micro-optimize unmodifiable
7617 operands into VUSEs when adding V_MAY_DEFs for members in an
7619 * tree-ssa-operands.h (add_to_addressable_set): Declare.
7620 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
7621 (struct variable_info): Add bitfield is_heap_var.
7622 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
7623 (new_var_info): Initialize is_heap_var.
7624 (get_constraint_for): Add HEAP variables to the symbol table.
7625 Mark them with is_heap_var.
7626 (update_alias_info): New. Taken mostly from the old
7627 compute_points_to_and_addr_escape.
7628 (handle_ptr_arith): New.
7629 (find_func_aliases): Call update_alias_info.
7630 Call handle_ptr_info for tcc_binary expressions.
7631 Call mark_stmt_modified.
7632 (create_variable_info_for): If DECL has subvars, do not create
7633 variables for its subvars. Always add all the fields.
7634 (set_uids_in_ptset): If the solution includes ANYOFFSET and
7635 SFTs, then add all the SFTs of the structure.
7636 If VI->DECL is an aggregate with subvariables, add the SFT at
7638 (find_what_p_points_to): If VI is an artificial variable,
7639 translate to bitfields in SSA_NAME_PTR_INFO.
7640 If the solution is empty, set pi->pt_vars to NULL
7641 (init_base_vars): Create ANYOFFSET.
7642 (compute_points_to_sets): Rename from create_alias_vars.
7644 (pass_build_pta): Remove.
7645 (delete_points_to_sets): Rename from delete_alias_vars.
7646 (pass_del_pta): Remove.
7647 * tree-ssa-structalias.h (struct alias_info): Move from
7649 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
7650 NUM_REFERENCES_SET): Likewise.
7651 (compute_points_to_sets, delete_points_to_sets): Declare.
7653 2005-07-09 Richard Henderson <rth@redhat.com>
7655 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
7656 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
7657 alpha_split_lock_test_and_set_12): New functions.
7658 * config/alpha/alpha-protos.h: Update.
7659 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
7660 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
7661 * config/alpha/sync.md (I12MODE): New.
7662 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
7663 (sync_<fetchop_name><I48MODE>): Likewise.
7664 (sync_nand<I48MODE>): Likewise.
7665 (sync_old_<fetchop_name><I48MODE>): Likewise.
7666 (sync_new_<fetchop_name><I48MODE>): Likewise.
7667 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
7668 (sync_compare_and_swap<I48MODE>): Likewise.
7669 (sync_lock_test_and_set<I48MODE>): Likewise.
7670 (sync_compare_and_swap<I12MODE>): New.
7671 (sync_compare_and_swap<I12MODE>_1): New.
7672 (sync_lock_test_and_set<I12MODE>): New.
7673 (sync_lock_test_and_set<I12MODE>_1): New.
7675 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7679 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
7681 2005-07-09 Jakub Jelinek <jakub@redhat.com>
7683 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
7684 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
7686 2005-07-09 Richard SAndiford <richard@codesourcery.com>
7689 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7691 2005-07-08 David Edelsohn <edelsohn@gnu.org>
7693 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
7694 memory_operand constraint.
7695 (store_conditional_<mode>): Same.
7696 (sync_compare_and_swap<mode>): Same.
7697 (sync_lock_test_and_set<mode>): Same.
7699 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
7701 Rewrite PIC support to more closely model actual instructions.
7702 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
7703 (cris_symbol): Remove prototypes for removed functions.
7704 (cris_pic_symbol_type_of, cris_valid_pic_const)
7705 (cris_expand_pic_call_address): Prototypes for new functions.
7706 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
7708 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
7710 <case ':'>: Add case for new punctuation character.
7711 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
7712 emitting (extra) PIC modifier.
7713 <case UNSPEC>: Do not assert for PLT.
7714 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
7715 (cris_expand_prologue, cris_expand_epilogue): Check
7716 for pic_offset_table_rtx usage instead of taking
7717 current_function_uses_pic_offset_table as the final word.
7718 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
7719 Remove flag_pic difference.
7720 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
7721 the moral equivalents of...
7722 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
7724 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
7725 (cris_handle_option): Mark ARG as unused.
7726 (cris_expand_pic_call_address): New worker function for "call",
7728 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
7729 output PIC constructs here.
7730 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
7731 as symbol-specific modifers, not whole or part of operands.
7732 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
7733 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
7734 constants and flag_pic.
7735 (CONSTANT_INDEX_P): Adjust for new functions.
7736 (enum cris_pic_symbol_type): New helper type.
7737 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
7738 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
7739 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
7741 ("movsi"): Emit actual instructions for GOT and relative access.
7742 ("*movsi_got_load"): New pattern to set up the register holding
7744 ("*movsi_internal"): Operand 1 is not a plain general_operand.
7745 Adjust FIXME for 'S'.
7746 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
7747 Use "movs" for -fpic cases.
7748 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
7749 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
7750 ("call", "call_value"): Just call cris_expand_pic_call_address for
7752 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
7753 Remove special pattern.
7754 ("*expanded_call_side", "*expanded_call_value_side"): New
7756 (gotplt-to-plt, gotplt-to-plt-side-call)
7757 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
7759 * config/cris/cris/predicates.md
7760 ("cris_general_operand_or_gotless_symbol"): Remove unused
7762 ("cris_general_operand_or_symbol"): Adjust for new functions.
7764 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7766 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
7768 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
7770 * Makefile.in (TREE_H): Add treestruct.def.
7771 (c-decl.o): Add pointer-set.h
7772 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
7773 visibility on regular DECL's.
7774 (merge_decls): Fix the copying of decl nodes of various types for
7775 the new structures. Don't update RTL, section name, weak status,
7776 etc, on DECL's without RTL.
7777 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
7778 Don't check volatile on non-variable types.
7779 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
7780 to check whether we have seen arguments.
7781 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
7782 flag is checked before field (flag is common, field is not).
7783 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
7784 TS_DECL_COMMON could have an origin.
7785 (add_location_or_const_value_attribute): Don't check section name
7786 on non-var/function decls.
7787 (dwarf2out_var_location): Reverse order of tests.
7788 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
7789 with DECL_WRTL_CHECK.
7790 * expmed.c (make_tree): rtl is now in decl_with_rtl.
7791 * fold-const.c (fold_binary): Don't check weakness on
7792 non-var/function decls.
7793 (tree_expr_nonzero_p): Ditto.
7794 (fold_checksum_tree): Use tree_decl_extra as sizeof
7796 * ggc-page.c (extra_order_size_table): Add sizes for
7797 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
7799 * gimplify.c (gimplify_bind_expr): Only set
7800 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
7801 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
7803 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
7804 * langhooks.h (init_ts). New langhook.
7805 * passes.c (rest_of_decl_compilation): Reverse order of tests.
7806 * print-tree.c (print_node): Update to only print fields that
7807 exist in the structures the passed decl has.
7808 * toplev.c (wrapup_global_declarations): Don't reset
7809 DECL_DEFER_OUTPUT on DECL's that don't contain it.
7810 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
7811 * tree-inline.c (remap_decl): Ditto.
7812 * tree-outof-ssa.c (create_temp): Reverse order of tests.
7813 * tree-pretty-print.c (print_declaration): Don't print
7814 DECL_REGISTER on things that don't contain it.
7815 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
7816 non-var/function decls.
7817 * tree.c (tree_contains_struct): New structure.
7818 (init_priority_for_decl): New hashtable.
7819 (tree_int_map): New structure.
7820 (tree_int_map_eq): New function.
7821 (tree_int_map_marked_p): Ditto.
7822 (tree_int_map_hash): Ditto.
7823 (tree_map): Move to tree.h.
7824 (tree_map_eq): Externalize.
7825 (tree_map_hash): Ditto.
7826 (tree_map_marked_p): Ditto.
7827 (init_ttree): Set up tree_contains_struct and call langhook.
7828 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
7829 (tree_code_size): Update for new structures.
7830 (tree_node_structure): Update for new structures.
7831 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
7833 (copy_node_stat): Copy init priority.
7834 (build_decl_stat): Ditto for visibility.
7835 (ts_enum_names): New.
7836 (tree_contains_struct_check_failed): New function.
7837 (decl_init_priority_lookup): Ditto.
7838 (decl_init_priority_insert): Ditto.
7839 * treestruct.def: New file.
7840 * tree.h (CODE_CONTAINS_STRUCT): New macro.
7841 (CONTAINS_STRUCT_CHECK): Ditto.
7842 (tree_contains_struct_check_failed): New prototype.
7843 (DECL_CHECK): Removed.
7844 (DECL_MINIMAL_CHECK): New.
7845 (DECL_COMMON_CHECK): Ditto.
7846 (DECL_WRTL_CHECK): Ditto.
7847 (DECL_NON_COMMON_CHECK): Ditto.
7848 (DECL_WITH_VIS_CHECK): Ditto.
7849 (VAR_OR_FUNCTION_DECL_P): Ditto
7850 (struct tree_decl_minimal): New structure.
7851 (struct tree_decl_common): Ditto.
7852 (struct tree_decl_with_rtl): Ditto.
7853 (struct tree_decl_with_vis): Ditto.
7854 (struct tree_decl_non_common): Ditto.
7855 (struct tree_field_decl): Ditto.
7856 (struct tree_parm_decl): Ditto.
7857 (struct tree_var_decl): Ditto.
7858 (struct tree_function_decl): Ditto.
7859 (struct tree_const_decl): Ditto.
7860 (struct tree_result_decl): Ditto.
7861 (union tree_node): Add new structures.
7862 * var-tracking.c (track_expr_p): Reverse order of tests.
7864 * doc/c-tree.texi: Add documentation on DECL node internal structure.
7866 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7868 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
7869 * system.h: Poison FINALIZE_PIC.
7870 * doc/tm.texi (FINALIZE_PIC): Remove.
7872 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7875 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
7876 to the correct type if we have a MODIFY_EXPR.
7878 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7880 PR tree-optimization/22360
7881 * tree.c (upper_bound_in_type): Fix calculations for casting
7882 to a non-wider signed type and casting a signed value to a
7883 wider unsigned type.
7884 (lower_bound_in_type): Fix calculations for casting to a
7885 non-wider signed type.
7887 PR tree-optimization/20139
7888 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
7890 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
7891 fold_cond_expr_cond.
7892 * tree-ssanames.c (release_defs): Assert in_ssa_p.
7893 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
7895 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7898 * tree-complex.c (expand_complex_libcall): Produce
7899 REALPART_EXPR/IMAGPART_EXPR with the correct type.
7901 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
7903 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
7904 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
7905 b" assert and inserted fastpath code for this case.
7906 (bitmap_ior): Removed "a != b" assert.
7908 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7910 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
7911 (ENDFILE_SPEC): Likewise.
7912 * config/m32r/m32r.h (ASM_SPEC): Likewise.
7914 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
7915 a large stack frame at epilogue.
7917 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
7919 * final.c: Include sdbout.h when required.
7921 2005-07-07 Geoffrey Keating <geoffk@apple.com>
7923 * config.gcc (*-*-darwin*): Only one target-specific header file
7925 (powerpc-*-darwin*): Add version-specific header files.
7926 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
7927 * config.in: Regenerate.
7928 * configure: Regenerate.
7929 * gcc.c: Include xregex.h.
7930 (version_compare_spec_function): New.
7931 (spec_function): Add version-compare.
7932 (replace_outfile_spec_function): Reformat comment.
7933 (compare_version_strings): New.
7934 * config/darwin-c.c (version_as_macro): New.
7935 (builtin_define): New.
7936 (darwin_cpp_builtins): New.
7937 * config/darwin-protos.h (darwin_cpp_builtins): New.
7938 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
7939 (LIB_SPEC): Make unconditional, update comment.
7940 (TARGET_C99_FUNCTIONS): Define.
7941 * config/darwin.opt: Sort.
7942 (mmacosx-version-min=): New.
7943 * config/darwin7.h: Delete.
7944 * config/darwin8.h: Delete.
7945 * config/i386/darwin.h (): Call darwin_cpp_builtins.
7946 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
7947 (TARGET_C99_FUNCTIONS): Define.
7948 * config/rs6000/darwin7.h: New.
7949 * config/rs6000/darwin8.h: New.
7950 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
7951 (-mmacosx-version-min): Document.
7953 2005-07-07 Ian Lance Taylor <ian@airs.com>
7955 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
7957 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
7960 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
7962 2005-07-07 Khem Raj <kraj@mvista.com>
7964 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
7965 in bytes, not words.
7967 2005-07-07 Paul Brook <paul@codesourcery.com>
7969 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
7970 DEFAULT_FUNCTION_ARG_PADDING to upward.
7972 2005-07-07 Richard Henderson <rth@redhat.com>
7974 * function.c (locate_and_pad_parm): Record parameter alignment in
7975 stack_alignment_needed.
7977 2005-07-07 David Edelsohn <edelsohn@gnu.org>
7979 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
7980 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
7981 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
7982 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
7983 (define_attr "type"): Add isync, sync, load_l, store_c.
7984 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
7985 Create scratch volatile MEM.
7986 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
7988 (load_locked_<mode>): New.
7989 (store_conditional_<mode>): New.
7990 (sync_compare_and_swap<mode>): Replace with splitter.
7991 (sync_lock_test_and_set<mode>): Replace with splitter.
7992 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
7994 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
7995 is ics. Attribute isync.
7996 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
7998 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
7999 and UNSPECV_SYNC_OP.
8000 (emit_unlikely_jump): New.
8001 (emit_load_locked): New.
8002 (emit_store_conditional): New.
8003 (rs6000_split_compare_and_swap): New.
8004 (rs6000_split_lock_test_and_set): New.
8005 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
8006 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
8007 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
8008 rs6000_split_lock_test_and_set): Declare.
8009 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
8010 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
8011 store_c, isync, sync.
8013 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
8015 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
8016 filenames to gtyp-gen.h.
8017 (s-typ-gen): Use it in place of for loops.
8019 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
8021 * hooks.c (hook_bool_rtx_int_false): New function.
8022 * hooks.h (hook_bool_rtx_int_false): Declare.
8023 * target-def.h (TARGET_COMMUTATIVE_P): Define.
8024 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
8025 * target.h (struct gcc_target): Add commutative_p member.
8026 * targhooks.c (hook_bool_rtx_commutative_p): New function.
8027 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
8028 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
8029 (pa_commutative_p): New function.
8030 * jump.c (target.h): Include.
8031 (rtx_renumbered_equal_p): Use targetm.commutative_p.
8032 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
8034 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8036 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
8037 (s390_expand_setmem): New.
8038 * config/s390/s390.c: Likewise.
8039 (print_shift_count_operand): Truncate to 12 bits instead of 6.
8041 * config/s390/s390.md: ("setmem<mode>"): Accept character as
8042 general_operand. Call new function "s390_expand_setmem".
8043 ("clrmem_long", "*clrmem_long"): Rewrite to ...
8044 ("setmem_long", "*setmem_long"): ... this.
8046 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8048 * config/s390/s390.c: (optimization_options): Enable
8049 TARGET_MVCLE at -Os.
8050 * doc/invoke.texi: Document changes in default behaviour.
8051 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
8053 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8055 * expr.c: (set_storage_via_setmem): Convert opchar to mode
8056 defined by back-end.
8058 2005-07-07 Jakub Jelinek <jakub@redhat.com>
8060 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
8061 all sets in the pattern.
8062 * config/rs6000/rs6000.md (stack_protect_testsi,
8063 stack_protect_testdi): Likewise.
8065 2005-07-06 Jeff Law <law@redhat.com>
8067 * tree-vrp.c (simplify_using_ranges): Kill.
8068 (vrp_finalize): Remove call to simplify_using_ranges.
8069 (simplify_stmt_using_ranges): New function extracted from
8070 simplify_using_ranges.
8071 (simplify_div_or_mod_using_ranges): Likewise.
8072 (simplify_abs_using_ranges): Likewise.
8073 (simplify_cond_using_ranges): New function.
8074 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
8075 * tree-ssa-propagate.c (substitute_and_fold): Call
8076 simplify_stmt_using_ranges if we have range information.
8078 2005-07-06 James E. Wilson <wilson@specifixinc.com>
8080 * config/ia64/ia64.c (ia64_reorg): Check optimize before
8081 ia64_flag_schedule_isns2.
8083 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
8084 reading/writing general registers.
8085 (ia64_function_arg): Revert 2005-06-18 change.
8087 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
8089 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
8090 (legitimize_tls_address): Use gcc_unreachable instead of abort.
8092 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
8094 * function.c (expand_function_end): Revert part of 2005-06-27
8095 patch. Do sjlj_emit_function_exit_after after return_label.
8097 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8099 * doc/install.texi (--disable-libssp): New.
8101 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
8103 * doc/invoke.texi: Update -fforce-mem documentation.
8104 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
8105 code for -fforce-mem.
8106 * expmed.c: (store_bit_field,store_fixed_bit_field,
8107 extract_bit_field): Ditto.
8108 * expr.c: (convert_move): Ditto.
8109 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
8110 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
8111 emit_conditional_add,expand_float,expand_fix): Ditto.
8112 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
8113 (common_handle_option): Issue warning when -fforce-mem specified.
8115 2005-07-06 Paul Brook <paul@codesourcery.com>
8117 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
8119 * configure: Regenerate.
8121 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
8123 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
8125 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
8127 Fix PR tree-optimization/22319
8128 Fix PR tree-optimization/22140
8129 Fix PR tree-optimization/22310
8131 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
8132 variable sized types.
8133 Use correct type for intermediate structure on *a = *b structure
8136 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8138 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
8140 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
8141 (machine_function): Move typedef to...
8142 * config/rs6000/rs6000.c (machine_function): ... here. Add
8143 varargs_save_offset field.
8144 (rs6000_stack_t): Remove varargs_size field.
8145 (setup_incoming_varargs): Allocate varargs save area using
8146 assign_stack_local, try to make it as small as possible.
8147 Save offset from virtual_stack_vars_rtx to the save area
8148 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
8149 instead of magic 8 when fp word byte size is used.
8150 (rs6000_va_start): Use cfun->machine->varargs_save_offset
8151 instead of -RS6000_VARARGS_SIZE.
8152 (rs6000_stack_info, debug_stack_info,
8153 rs6000_initial_elimination_offset): Remove all traces of
8155 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
8156 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
8157 RS6000_VARARGS_AREA.
8159 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8161 PR tree-optimization/21963
8162 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
8163 constant_multiple_of in the same way get_computation_cost_at does.
8165 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8167 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
8168 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
8169 (gen_compare_reg): If sparc_compare_emitted is set, clear it
8170 and return its previous value.
8171 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
8172 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
8174 (stack_protect_set, stack_protect_test): New expanders.
8175 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
8176 stack_protect_testdi): New insns.
8177 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8178 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
8180 2005-07-06 Jeff Law <law@redhat.com>
8182 * tree-ssa-dce.c (cfg_altered): New global.
8183 (tree_dce_init): Initialize cfg_altered.
8184 (remove_dead_stmt): If we remove an edge in the CFG, then set
8186 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
8189 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8191 * Makefile.in (stamp-collect-ld): Use
8192 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
8193 ./collect-ld if it already exists.
8194 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
8195 Don't remove ./nm if it already exists.
8197 2005-07-05 Devang Patel <dpatel@apple.com>
8199 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
8200 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
8201 * tree-vectorizer.c (vect_loop_location): New.
8202 (vect_print_dump_info): Use vect_loop_location.
8203 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
8204 (vectorize_loops): Set vect_loop_location.
8205 * tree-vect-analyze.c (vect_analyze_offset_expr,
8206 vect_determin_vectorization_factor, vect_analyze_operations,
8207 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
8208 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
8209 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
8210 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
8211 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
8212 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
8213 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
8214 vect_analyze_loop): Adjust vect_print_dump_info API.
8215 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8216 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
8217 vect_finish_stmt_generation, vectorizable_assignment,
8218 vectorizable_operation, vectorizable_store, vectorizable_load,
8219 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
8220 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
8221 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
8222 vect_transform_loop): Same.
8223 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
8224 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
8227 2005-07-05 Randolph Chung <tausq@debian.org>
8229 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
8230 * configure: Regenerate.
8231 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
8232 (pa_tls_referenced_p): Declare.
8233 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
8234 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
8235 (legitimize_tls_address): New.
8236 (hppa_legitimize_address): Handle TLS addresses.
8237 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
8238 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
8239 (emit_move_sequence): Handle TLS addresses.
8240 (pa_encode_section_info): Call default handler to handle common
8242 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
8243 (CONSTANT_ADDRESS_P): Reject TLS operands.
8244 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
8245 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
8246 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
8247 (UNSPEC_TLSLE): Define new constants.
8248 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
8249 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
8250 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
8251 (tie_symbolic_operand, tle_symbolic_operand): New
8253 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
8255 * aclocal.m4: Update macros for autoconf 2.59 style.
8256 * configure.ac: Likewise.
8258 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8260 * pa.c (function_value): Handle small aggregates on 32-bit targets.
8261 (function_arg): Pass small aggregates in general registers on 32-bit
8263 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
8265 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
8267 * Makefile.in (final.o): Fix dependencies.
8269 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8273 * langhooks.h (struct lang_hooks): Add expr_to_decl.
8274 * langhooks.c (lhd_expr_to_decl): New.
8275 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
8277 (LANG_HOOKS_INITIALIZER): Update.
8278 * tree.c (recompute_tree_invarant_for_addr_expr): Call
8279 expr_to_decl langhook.
8280 * c-tree.h (c_expr_to_decl): Declare.
8281 * c-typeck.c (c_expr_to_decl): New.
8282 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
8284 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
8286 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8289 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
8290 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
8292 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
8294 * Makefile.in: Adjust dependencies.
8295 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
8296 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
8297 * alias.c (rest_of_handle_cfg, pass_cfg): New.
8298 * bb-reorder.c (duplicate_computed_gotos): Make it static.
8299 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
8300 rest_of_compilation.
8302 * bb-reorder.c (gate_duplicate_computed_gotos,
8303 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
8304 rest_of_handle_reorder_blocks, pass_reorder_blocks,
8305 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
8306 pass_partition_blocks): New.
8307 * bt-load.c (gate_handle_branch_target_load_optimize,
8308 rest_of_handle_branch_target_load_optimize,
8309 pass_branch_target_load_optimize): New.
8310 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
8312 * cfglayout.c (pass_insn_locators_initialize): New.
8313 * cfgrtl.c (pass_free_cfg): New.
8314 * combine.c (gate_handle_combine, rest_of_handle_combine,
8316 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
8317 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
8318 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
8319 * except.c (pass_set_nothrow_function_flags,
8320 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
8322 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
8323 rest_of_handle_shorten_branches, pass_shorten_branches,
8324 rest_of_clean_state, pass_clean_state): New.
8325 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
8326 rest_of_handle_remove_death_notes, pass_remove_death_notes,
8327 rest_of_handle_life, pass_life, rest_of_handle_flow2,
8329 * function.c (pass_instantiate_virtual_regs, pass_init_function,
8330 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
8331 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
8332 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
8334 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
8335 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
8336 pass_rtl_ifcvt, gate_handle_if_after_combine,
8337 rest_of_handle_if_after_combine, pass_if_after_combine,
8338 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
8339 pass_if_after_reload): New.
8340 * integrate.c (pass_initial_value_sets): New.
8341 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
8342 pass_purge_lineno_notes): New.
8343 * mode-switching.c (rest_of_handle_mode_switching,
8344 pass_mode_switching): New.
8345 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
8346 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
8348 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
8349 pass_loop_optimize): New.
8350 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
8352 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
8354 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
8355 pass_postreload_cse): New.
8356 * profile.c (gate_handle_profiling, pass_profiling,
8357 rest_of_handle_branch_prob, pass_branch_prob): New.
8358 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
8359 pass_split_before_regstack, gate_handle_split_before_regstack,
8360 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
8361 rest_of_handle_split_all_insns, pass_split_all_insns): New.
8362 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
8363 pass_stack_regs): New.
8364 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
8365 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
8366 pass_stack_adjustments): New.
8367 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
8368 pass_regrename): New.
8369 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
8370 pass_delay_slots, gate_handle_machine_reorg,
8371 rest_of_handle_machine_reorg, pass_machine_reorg): New.
8372 * rtl.h (extern void purge_line_number_notes): New.
8373 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
8374 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
8376 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
8378 * value-prof.c (gate_handle_value_profile_transformations,
8379 rest_of_handle_value_profile_transformations,
8380 pass_value_profile_transformations): New.
8381 * var-tracking.c (gate_handle_var_tracking,
8382 pass_variable_tracking): New.
8383 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
8385 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
8386 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
8387 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
8388 rest_of_handle_old_regalloc, rest_of_handle_regrename,
8389 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
8390 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
8391 rest_of_handle_gcse2, rest_of_handle_regmove,
8392 rest_of_handle_tracer, rest_of_handle_if_conversion,
8393 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
8394 rest_of_handle_web, rest_of_handle_branch_prob,
8395 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
8396 rest_of_handle_jump_bypass, rest_of_handle_combine,
8397 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8398 rest_of_handle_gcse, rest_of_handle_loop_optimize,
8399 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
8400 rest_of_handle_mode_switching, rest_of_handle_jump,
8401 rest_of_handle_eh, rest_of_handle_stack_adjustments,
8402 rest_of_handle_flow2, rest_of_handle_jump2,
8403 rest_of_handle_peephole2, rest_of_handle_postreload,
8404 rest_of_handle_shorten_branches, rest_of_clean_state,
8405 rest_of_compilation): Remove.
8407 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
8408 * passes.c (dump_flags, in_gimple_form, all_passes,
8409 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8410 register_dump_files, next_pass_1, last_verified, execute_todo,
8411 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
8412 from tree-optimize.c.
8413 (init_optimization_passes): Moved from tree-optimize.c,
8414 adding the RTL optimizations.
8415 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
8416 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
8417 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8418 register_dump_files, next_pass_1, last_verified, execute_todo,
8419 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
8420 init_tree_optimization_passes, ipa_passes): Delete.
8421 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
8423 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
8424 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
8426 (ipa_passes): Remove.
8427 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
8428 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
8429 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
8430 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
8431 (dump_info_p, dump_flag): Moved to tree-dump.h.
8433 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
8435 * passes.c (finish_optimization_passes): Use dump_begin
8436 and dump_end, TDI_end.
8437 (gate_rest_of_compilation): New.
8438 (pass_rest_of_compilation): Use it.
8439 (gate_postreload, pass_postreload): New.
8440 * toplev.c (general_init): Rename init_tree_optimization_passes.
8441 * toplev.h (init_tree_optimization_passes): Rename to
8442 init_optimizations_passes.
8443 * tree-dump.c (dump_flag): Make static.
8444 (dump_files): Remove RTL dumps.
8445 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
8446 pass_cleanup_cfg, pass_free_cfg_annotations,
8447 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
8448 pass_init_datastructures, pass_fixup_cfg): Make non-static.
8449 * tree-pretty-print.c: Include tree-pass.h.
8450 * cgraph.c: Include tree-dump.h.
8452 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8454 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
8455 Only fall back to saying it points to readonly memory if
8458 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8460 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
8461 * config/m32r/m32r.c (m32r_compute_frame_size,
8462 m32r_expand_prologue): Take current_function_profile into
8463 account whenever we reference
8464 current_function_uses_pic_offset_table.
8465 (m32r_finalize_pic): Remove.
8466 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
8468 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
8470 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
8471 instead of $<. Don't remove ./as if it already exists.
8473 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8476 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
8477 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
8478 for complex modes when generating code for PA 1.0.
8479 (VALID_FP_MODE_P): New macro.
8480 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8481 sets for all general and floating point modes. Align wide floating
8482 point modes to even register boundaries to comply with architectural
8484 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
8485 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
8486 (VALID_FP_MODE_P): New macro.
8487 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8488 sets for all general and floating point modes. Align wide floating
8489 point modes to even register boundaries to comply with architectural
8492 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8494 * tree-dump.c (dump_files): Initialize dump number for .cgraph
8497 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8499 * tree-ssa-structalias.c: Don't include expr.h.
8501 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8503 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
8506 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8508 Fix PR tree-optimization/22279
8510 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
8513 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
8515 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
8517 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8519 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
8520 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
8521 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
8522 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
8523 config/stormy16/stormy16.c, config/v850/v850.c,
8524 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
8525 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
8526 Avoid "." or "\n" at end of diagnostics and capital letters at
8527 start of diagnostics.
8528 * combine.c, cse.c: Don't translate dump file output.
8529 * toplev.c (print_version): Only translate output if going to
8532 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8534 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
8535 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
8538 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8540 * pa.c (fix_range): Fix typo in comment.
8542 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8544 * tree-vrp.c (extract_range_from_assert): Replace
8545 fold (build (...)) with fold_build2.
8547 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8549 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
8550 gcc_gfc_char_table, init_dynamic_gfc_info): New.
8551 (format_types_orig, handle_format_attribute): Add support for
8554 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
8556 * varasm.c (assemble_variable): Fix format specifier thinko.
8558 2005-07-03 Ira Rosen <irar@il.ibm.com>
8560 PR tree-optimization/22029 (and 22135)
8561 * tree-pretty-print.c (dump_generic_node): Check that the node is not
8562 a phi node before calling dump_vops.
8564 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8566 * tree-dump.h (dump_string_field): Declare.
8567 * tree-dump.c: Use it instead of dump_string.
8568 (dump_string_field): Make non-static.
8570 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
8572 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
8573 up the minimal CFG stuff always when optimize > 0. Call
8574 split_all_insns_noflow in PIC case if needed.
8576 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8577 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
8580 * c-decl.c (c_write_global_declarations): Dump contents of
8582 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
8583 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
8584 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
8585 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
8588 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8590 * c-common.h (GCC_DIAG_STYLE): Define.
8591 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
8592 version for format checking to 4.1.
8593 * c-format.c: Include toplev.h after c-common.h.
8594 (enum format_type): Add gcc_tdiag_format_type.
8595 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
8596 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
8597 (format_types_orig): Add gcc_tdiag.
8598 (init_dynamic_diag_info): Support gcc_tdiag formats.
8599 (handle_format_attribute): Likewise.
8600 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
8601 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
8602 version for format checking to 4.1.
8603 (warning0, warning, error, pedwarn, sorry): Use
8605 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
8606 (finish_aliases_1): Do not use %qE.
8607 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
8608 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
8609 Correct format bugs.
8610 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
8611 parameter to unsigned HOST_WIDE_INT.
8612 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
8614 2005-07-02 David Edelsohn <edelsohn@gnu.org>
8617 * expr.c (write_complex_part): Use adjust_address for MEM.
8618 (read_complex_part): Same.
8620 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
8622 Fix PR tree-optimization/22280
8624 * tree-sra.c (generate_element_init): Remove useless loop.
8626 2005-07-02 Richard Henderson <rth@redhat.com>
8628 * config/alpha/alpha.c (alpha_legitimize_address): Check for
8630 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
8632 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
8635 * fold-const.c (fold_binary): Handle the return value of
8636 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
8637 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
8639 2005-07-02 Jeff Law <law@redhat.com>
8641 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
8642 a eliminate type conversion which feeds an equality comparison
8643 if the original type or either operand in the comparison is a
8646 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
8648 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
8649 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
8651 * config/avr/avr.c: Do not use '`' as left quote.
8652 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
8653 Remove "." from end of diagnostics. Make diagnostics start with
8656 2005-07-02 Zack Weinberg <zack@codesourcery.com>
8657 Joseph S. Myers <joseph@codesourcery.com>
8659 * toplev.c (default_tree_printer): Handle setting location with
8661 * c-objc.common.c (c_tree_printer): Likewise.
8662 * c-format.c (gcc_diag_flag_specs): Add '+'.
8663 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
8664 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
8666 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
8667 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
8668 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
8669 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
8670 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
8671 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
8672 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
8673 format arguments where %J is used without %D.
8675 2005-07-02 Jakub Jelinek <jakub@redhat.com>
8677 * gcc.c (LINK_SSP_SPEC): Define.
8678 (link_ssp_spec): New variable.
8679 (LINK_COMMAND_SPEC): Add %(link_ssp).
8680 (static_specs): Add link_ssp_spec.
8681 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
8682 * configure: Rebuilt.
8683 * config.in: Rebuilt.
8685 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8686 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8687 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8688 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8689 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
8690 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
8691 -0x7008(2) instead of reading __stack_chk_guard variable.
8692 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
8694 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
8695 (stack_protect_set, stack_protect_test): Use *_tls* patterns
8696 if TARGET_THREAD_SSP_OFFSET is defined.
8697 (stack_tls_protect_set_si, stack_tls_protect_set_di,
8698 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
8701 2005-06-27 Richard Henderson <rth@redhat.com>
8702 * libgcc-std.ver (GCC_4.1.0): New.
8703 * libgcc.h (__stack_chk_guard): Declare.
8704 (__stack_chk_fail, __stack_chk_fail_local): Declare.
8705 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
8706 * mklibgcc.in (lib2funcs): Add them.
8708 2005-07-01 Richard Henderson <rth@redhat.com>
8710 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
8711 void * before struct sigcontext *.
8712 (x86_fallback_frame_state): Likewise.
8714 2005-07-01 James E. Wilson <wilson@specifixinc.com>
8716 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
8718 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8721 * tree-ssa-reassoc.c (should_transpose): Fix which operand
8722 we check for SSA_NAME for.
8724 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
8726 Fix PR tree-optimization/22071
8728 * tree-ssa-structalias.c (offset_overlaps_with_access): New
8730 (get_constraint_for_component_ref): Use it.
8732 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8735 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
8736 print out the last new line.
8738 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
8740 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
8741 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
8742 * config/cris/cris.c (cris_conditional_register_usage): Adjust
8743 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
8744 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
8745 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
8746 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
8747 (enum reg_class): New member CC0_REGS.
8748 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
8749 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
8750 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
8751 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
8752 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8753 Adjust for register now described.
8755 2005-07-01 Jakub Jelinek <jakub@redhat.com>
8758 * config/i386/i386.md (stack_protect_test_si,
8759 stack_protect_test_di): Add earlyclobber for scratch 3.
8760 * config/rs6000/rs6000.md (stack_protect_testsi,
8761 stack_protect_testdi): Add earlyclobber for scratch 3,
8762 remove earlyclobber from scratch 4.
8764 Older entries for 2005 can be found in ChangeLog-2005.