1 2006-12-24 Jan Hubicka <jh@suse.cz>
3 * tree-mudflap.c (ml_decl_cache_locals, md_build_check_statement_for):
4 add newly referenced vars.
6 2006-12-24 Kazu Hirata <kazu@codesourcery.com>
8 * basic-block.h: Remove the prototype for
9 expected_value_to_br_prob.
10 * rtl.h: Remove the prototypes for expand_builtin_expect_jump
11 and purge_line_number_notes.
13 2006-12-23 Zdenek Dvorak <dvorakz@suse.cz>
15 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne,
16 assert_no_overflow_lt, assert_loop_rolls_lt,
17 number_of_iterations_lt, number_of_iterations_le,
18 number_of_iterations_cond, number_of_iterations_exit):
19 Use integer_zerop/integer_nonzerop instead of
20 null_or_integer_zerop/nonnull_and_integer_nonzerop.
21 * tree.h (null_or_integer_zerop, nonnull_and_integer_nonzerop):
23 * tree-scalar-evolution.c (simple_iv): Return zero for step of
25 * tree-ssa-loop-ivopts.c (alloc_iv): Do not set step of invariants
27 (get_iv): Return NULL for non-scalar types. Use zero as a step
29 (determine_biv_step, find_interesting_uses_op,
30 find_interesting_uses_cond, find_interesting_uses_stmt,
31 add_old_ivs_candidates, determine_use_iv_cost_condition,
32 rewrite_use_compare, remove_unused_ivs):
33 Use integer_zerop instead of null_or_integer_zerop.
34 (struct ifs_ivopts_data): Replace step_p field with step field.
35 (idx_find_step): Use zero as a step of an invariant. Modify
36 step instead of *step_p.
37 (find_interesting_uses_address): Use zero as a step of an invariant.
38 Use integer_zerop instead of null_or_integer_zerop.
39 (find_interesting_uses_outside): Call find_interesting_uses_op only
40 for phi nodes for real operands.
41 (add_candidate_1): Expect step to be non-NULL.
42 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Expect step to be
45 2006-12-23 Andrew Pinski <pinskia@gmail.com>
47 * vec.c: Don't include tree.h.
48 * Makefile.in (vec.o): Update dependencies.
49 (build/vec.o): Likewise.
51 2006-12-23 Kazu Hirata <kazu@codesourcery.com>
53 * common.opt (flag_force_mem): Remove.
54 * doc/invoke.texi (-fforce-mem): Remove.
55 * opts.c (common_handle_option): Don't handle OPT_fforce_mem.
57 * Makefile.in (final.o): Depend on vecprim.h.
58 * final.c: Include vecprim.h.
59 (insn_addresses_): Change the type to VEC(int,heap)*.
60 * insn-addr.h (INSN_ADDRESSES_DEFN): Remove.
61 (INSN_ADDRESSES, INSN_ADDRESSES_ALLOC, INSN_ADDRESSES_SIZE,
62 INSN_ADDRESSES_NEW): Use VEC instead of VARRAY.
64 2006-12-23 Marcin Dalecki <martin@dalecki.de>
66 * cgraphunit.c (cgraph_optimize): Fixed obvious thinko in memory
67 consumption reporting.
69 2006-12-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
72 * c.opt (Wmissing-parameter-type): New.
73 * doc/invoke.texi (Wmissing-parameter-type): Document it.
74 (Wextra): Enabled by -Wextra.
75 * c-opts.c (c_common_post_options): Enabled by -Wextra.
76 * c-decl.c (store_parm_decls_oldstyle): Replace Wextra with
77 Wmissing-parameter-type.
79 2006-12-23 Eric Botcazou <ebotcazou@adacore.com>
81 * dwarf2out.c (dbx_reg_number): Do leaf register remapping
82 only if the function is leaf.
83 (multiple_reg_loc_descriptor): Likewise.
85 2006-12-23 Kazu Hirata <kazu@codesourcery.com>
87 * rtl.h (NOTE_EXPECTED_VALUE): Remove.
89 2006-12-23 Jan Hubicka <jh@suse.cz>
91 * toplev.c (dump_memory_report): Break out from...
93 * toplev.h (dump_memory_report): Declare.
94 (cmp_statistic): Rename to ...
95 (final_cmp_statistic): ... this one
97 (dump_ggc_loc_staitsitcs): New FINAL parpameter.
98 * common.opt (-fpre-ipa-mem-report, -fpost-ipa-mem-report): Declare.
99 * varray.c (dump_varray_staitiscs): Do not segfault when no varray was
101 * cgraphunit.c (cgraph_optimize): Dump the memory reports.
103 2006-12-22 Mike Stump <mrs@apple.com>
105 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): Add
106 -mmacosx-version-min=10.4.
107 (crt2.o): Add $(DARWIN_EXTRA_CRT_BUILD_CFLAGS).
109 2006-12-23 Jan Hubicka <jh@suse.cz>
111 * tree-flow-inline.h (var_ann): External variable annotations are
113 (tree_common_ann): Handle correctly unshared variables annotations.
114 * tree-dfa.c (create_var_ann): External variable annotations are
117 2006-12-22 Kazu Hirata <kazu@codesourcery.com>
119 * basic-block.h: Remove the prototype for
120 commit_edge_insertions_watch_calls.
121 * cfgrtl.c (commit_edge_insertion): Drop the last argument.
123 (commit_edge_insertions_watch_calls): Remove.
124 (commit_edge_insertions): Adjust the call to
125 commit_one_edge_insertion.
127 2006-12-22 Zdenek Dvorak <dvorakz@suse.cz>
129 * tree-ssa-loop-niter.c (zero_p, nonzero_p): Removed.
130 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
131 assert_no_overflow_lt, assert_loop_rolls_lt,
132 number_of_iterations_lt, number_of_iterations_le,
133 number_of_iterations_cond, tree_simplify_using_condition_1,
134 number_of_iterations_exit, find_loop_niter, loop_niter_by_eval,
135 implies_nonnegative_p, implies_ge_p, record_nonwrapping_iv,
136 idx_infer_loop_bounds, n_of_executions_at_most, scev_probably_wraps_p):
137 Do not use zero_p/nonzero_p.
138 * tree-ssa-loop-manip.c (determine_exit_conditions): Ditto.
139 * tree-ssa-loop-ivopts.c (niter_for_exit, determine_biv_step,
140 find_interesting_uses_op, find_interesting_uses_cond,
141 find_interesting_uses_address, find_interesting_uses_stmt,
142 strip_offset_1, add_candidate_1, add_old_ivs_candidates,
143 difference_cost, determine_use_iv_cost_condition,
144 rewrite_use_compare, remove_unused_ivs): Ditto.
145 * tree-ssa-address.c (tree_mem_ref_addr, create_mem_ref_raw): Ditto.
146 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
147 * tree-cfg.c (find_taken_edge_cond_expr): Ditto.
148 * tree.h (zero_p): Declaration removed.
149 (null_or_integer_zerop, nonnull_and_integer_nonzerop): New.
151 2006-12-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
154 * c.opt (Wclobbered): New.
155 * doc/invoke.texi (Wclobbered): Document it.
156 (Wextra): Enabled by -Wextra.
157 * c-opts.c (c_common_post_options): Enabled by -Wextra.
158 * flow.c (rest_of_handle_life): Replace Wextra with Wclobbered.
159 * function.c (setjmp_vars_warning): Only warn for Wclobbered.
160 (setjmp_args_warning): Likewise.
162 2006-12-22 Kazu Hirata <kazu@codesourcery.com>
164 * config/elfos.h, config/spu/spu.c, tree-ssa-operands.h,
165 tree-ssa-ter.c: Fix comment typos.
167 2006-12-22 Paolo Bonzini <bonzini@gnu.org>
169 PR rtl-optimization/29840
171 * fwprop.c (forward_propagate_into): Reject artificial uses/defs.
172 (fwprop_init): Add DF_HARD_REGS to df_init call.
174 2006-12-21 Andrew Pinski <pinskia@gmail.com>
176 * tree-nested.c (create_tmp_var_for): Check for vector type
177 when setting DECL_GIMPLE_REG_P.
179 2006-12-21 Roger Sayle <roger@eyesopen.com>
181 * tree-pretty-print.c (dump_generic_node): Avoid outputing "(void) 0;"
182 as the else branch of a COND_EXPR.
184 2006-12-22 Kazu Hirata <kazu@codesourcery.com>
186 * cgraphunit.c, config/i386/i386.c, config/ia64/ia64.c, cse.c,
187 output.h, toplev.c, tree-affine.h, tree-flow.h,
188 tree-ssa-alias.c, tree-ssa-coalesce.c, tree-ssa-live.c,
189 tree-ssa-live.h, tree-ssa-operands.c, tree-ssa-ter.c,
190 tree-vrp.c, varpool.c: Fix comment typos.
192 * cgraphunit.c, varpool.c: Fix comment typos.
194 2006-12-22 Ulrich Weigand <uweigand@de.ibm.com>
196 * config/spu/spu.h (ARG_POINTER_CFA_OFFSET): Define.
197 * config/spu/spu.c (spu_expand_prologue): Set RTX_FRAME_RELATED_P
198 for insn setting up the frame pointer. Do not set it for insns
199 setting up scratch registers or storing the backchain.
201 2006-12-21 Eric Botcazou <ebotcazou@adacore.com>
204 * configure.ac (HAVE_LD_EH_GC_SECTIONS): Check that exception tables
205 are kept for .gnu.linkonce.t sections if COMDAT groups are disabled.
206 * configure: Regenerate.
208 2006-12-21 Joseph Myers <joseph@codesourcery.com>
210 * rtlanal.c (subreg_get_info): Do not make register size
211 computations for mode sizes not divisible by the number of
214 2006-12-21 Daniel Berlin <dberlin@dberlin.org>
216 * tree-ssa-structalias.c (build_constraint_graph): Insert complex
217 offsetted constraints into rhsvar, not lhsvar.
219 2006-12-21 Jakub Jelinek <jakub@redhat.com>
223 * tree-nested.c (walk_asm_expr): New function.
224 (walk_stmts): Use it for ASM_EXPR.
227 * config/ia64/ia64.c (ia64_add_bundle_selector_before): New function.
230 2006-12-21 Nathan Sidwell <nathan@codesourcery.com>
234 * reload1.c (reload): Realign stack after it changes size.
236 2006-12-20 Roger Sayle <roger@eyesopen.com>
238 * simplify-rtx.c (simplify_subreg): Use the correct mode when
239 determining whether a SUBREG of a CONCAT refers to the first or
242 2006-12-21 Ben Elliston <bje@au.ibm.com>
244 * config/spu/spu.c (spu_builtin_mul_widen_even): Remove unused
247 2006-12-20 Jan Hubicka <jh@suse.cz>
249 * tree-dfa.c (add_referenced_var): Walk initializers of
250 non-constant/readonly static vars.
252 2006-12-20 Jan Hubicka <jh@suse.cz>
254 * tree-flow-inline.h (gimple_var_anns): New function.
255 (var_ann): Use hashtable for static functions.
256 * tree-dfa.c (create_var_ann): Likewise.
257 * tree-ssa.c (var_ann_eq, var_ann_hash): New functions.
258 (init_tree_ssa): Initialize var anns.
259 (delete_tree_ssa): Delete var anns; also clear out gimple_df.
260 * tree-flow.h (struct static_var_ann_d): New structure.
261 (gimple_df): Add var_anns.
263 2006-12-20 Carlos O'Donell <carlos@codesourcery.com>
266 * gcc/c-incpath.c (add_standard_paths): Only relocate paths that
267 begin with the configured prefix.
269 2006-12-20 Jan Hubicka <jh@suse.cz>
272 * i386.c (expand_setmem_epilogue): Fix formating.
273 (dsmalest_pow2_greater_than): New function.
274 (ix86_expand_movmem): Improve comments; avoid re-computing of
276 (promote_duplicated_reg_to_size): Break out from ...
277 (expand_setmem): ... this one; reorganize promotion code;
278 improve comments; avoid recomputation of epilogue size.
280 2006-12-20 Andrew Pinski <pinskia@gmail.com>
283 * omp-low.c (init_tmp_var): New function.
284 (save_tmp_var): New function.
285 (lower_omp_1): Use them for VAR_DECL.
287 2006-12-20 Andrew Pinski <pinskia@gmail.com>
289 * tree-gimple.c (is_gimple_min_invariant): Treat constant vector
290 CONSTRUCTORs as min invariants.
292 2006-12-20 Joseph Myers <joseph@codesourcery.com>
294 * rtlanal.c (struct subreg_info, subreg_get_info, subreg_nregs):
296 (subreg_regno_offset, subreg_offset_representable_p): Change to
297 wrappers about subreg_get_info.
298 (refers_to_regno_p, reg_overlap_mentioned_p): Use subreg_nregs.
299 * rtl.h (subreg_nregs): Declare.
300 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING): Update to refer to
302 * caller-save.c (mark_set_regs, add_stored_regs): Use
304 * df-scan.c (df_ref_record): Use subreg_nregs.
305 * flow.c (mark_set_1): Use subreg_nregs.
306 * postreload.c (move2add_note_store): Use subreg_nregs.
307 * reload.c (decompose, refers_to_regno_for_reload_p,
308 reg_overlap_mentioned_for_reload_p): Use subreg_nregs.
309 * resource.c (update_live_status, mark_referenced_resources,
310 mark_set_resources): Use subreg_nregs.
312 2006-12-20 Zdenek Dvorak <dvorakz@suse.cz>
314 * loop-unswitch.c (unswitch_loop): Update arguments of
315 duplicate_loop_to_header_edge call.
316 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Ditto.
317 * loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
318 unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
320 * cfgloopmanip.c (loop_version): Ditto.
321 (duplicate_loop_to_header_edge): Change
322 type of to_remove to VEC(edge), remove n_to_remove argument.
323 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
324 Change type of to_remove to VEC(edge), remove n_to_remove argument.
325 (tree_unroll_loop): Update arguments of
326 tree_duplicate_loop_to_header_edge call.
327 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge):
328 Change type of to_remove to VEC(edge), remove n_to_remove argument.
329 * cfghooks.h (struct cfg_hooks): Type of
330 cfg_hook_duplicate_loop_to_header_edge changed.
331 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
332 * cfgloop.h (duplicate_loop_to_header_edge): Ditto.
333 * tree-flow.h (tree_duplicate_loop_to_header_edge): Ditto.
335 2006-12-20 Dorit Nuzman <dorit@il.ibm.com>
337 * config/spu/spu.md (vec_widen_umult_hi_v8hi): New.
338 (vec_widen_umult_lo_v8hi, vec_widen_smult_hi_v8hi): New.
339 (vec_widen_smult_lo_v8hi): New.
340 * config/spu/spu.c (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
341 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
342 (spu_builtin_mul_widen_even, spu_builtin_mul_widen_odd): New.
344 2006-12-20 Jan Hubicka <jh@suse.cz>
346 * cgraph.c: Update overall comment; fix vertical spacing.
347 * ipa-inline.c (cgraph_decide_inlining): Remove now redundant check.
349 2006-12-20 Jan Hubicka <jh@suse.cz>
351 * cgraph.h (FOR_EACH_STATIC_VARIABLE, FOR_EACH_STATIC_INITIALIZER): New
353 (varpool_first_static_initializer, varpol_next_static_initializer): New
355 * ipa-reference.c (analyze_variable): Simplify.
356 (static_execute): Use FOR_EACH_STATIC_INITIALIZER.
357 * ipa-type-escape.c (type_escape_execute): Use FOR_EACH_STATIC_VARIABLE.
359 2006-12-19 Andrew Pinski <pinskia@gmail.com>
362 * tree-vrp.c (nonnull_arg_p): Treat the static decl as always
365 2006-12-20 Ben Elliston <bje@au.ibm.com>
367 * doc/invoke.texi (Optimize Options): Typo fix.
369 2006-12-19 Eric Christopher <echristo@apple.com>
371 * config/darwin.c (machopic_select_section): Rewrite.
372 (darwin_text_section): New.
373 (darwin_rodata_section): Ditto.
374 (darwin_mergeable_string_section): Ditto.
375 (darwin_mergeable_constant_section): Ditto.
376 * config/darwin-sections.def: Add SECTION_STRINGS for cstring_section.
378 2006-12-19 Steve Ellcey <sje@cup.hp.com>
380 * config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL): Add undef.
382 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
385 * gcc/Makefile.in (STAGE1_CHECKING): Rename to...
386 (STAGE1_CHECKING_CFLAGS): ... this.
388 2006-12-18 Andrew Pinski <pinskia@gmail.com>
391 * config/rs6000/rs6000.c (altivec_init_builtins): Change to set
392 READONLY on __builtin_altivec_mask_for_load instead of adding
395 2006-12-18 Roger Sayle <roger@eyesopen.com>
396 Eric Christopher <echristo@apple.com>
399 * real.c (real_maxval): Correctly handle IBM extended double format.
401 2006-12-19 Jan Hubicka <jh@suse.cz>
403 * expmed.c (expand_mult_const): Force operand to constant.
404 * rs6000.c (rs6000_emit_set_const, rs6000_emit_set_long_const): Add
405 copy_rtx to arguments.
407 2006-12-19 Ben Elliston <bje@au.ibm.com>
409 * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
411 2006-12-19 Ben Elliston <bje@au.ibm.com>
413 * cse.c (cse_insn): Fix formatting.
415 2006-12-18 Geoffrey Keating <geoffk@apple.com>
417 * doc/invoke.texi (Debugging Options): Document -g0.
418 * config/darwin.h (LINK_COMMAND_SPEC): Replace -gnone with -g0.
419 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
421 2006-12-18 Ian Lance Taylor <iant@google.com>
423 * c.opt (Wmissing-declarations): Add C++ and ObjC++.
424 * doc/invoke.texi (Warning Options): -Wmissing-declarations now
427 2006-12-18 Andrew MacLeod <amacleod@redhat.com>
429 * tree-ssa-operands.h (struct vdef_optype_d): Rename to voptype_d.
430 (struct vuse_optype_d): Delete.
431 (SSA_OPERAND_MEMORY_SIZE): Delete.
432 (struct ssa_operand_memory_d): Change mem array to size one.
433 (NUM_VOP_FREE_BUCKETS): Define.
434 (free_vuses, free_vdefs): Replace with vop_free_buckets array.
435 (vdef_ops, vuse_ops, struct ssa_operand_iterator_d): Use voptype_d type.
436 * tree-pretty-print.c (dump_vops): Use voptype_d type.
437 * tree-ssa-operands.c (vop_free_bucket_size): New. Number of operands
438 which fit into a chunk of memory from a specific bucket.
439 (vop_free_bucket_index): New. Find correct size memory bucket.
440 (init_vop_buckets): New. Initialize VOP free memory buckets.
441 (add_vop_to_freelist): New. Add a VOP to the correct free list.
442 (ssa_operand_mem_size): New. Current size of an operand memory chunk.
443 (init_ssa_operands): Initialize operand memory and free lists.
444 (fini_ssa_operands): Remove references to free_vuses and free_vdefs.
445 (ssa_operand_alloc): Use graduated size memory allocation.
446 (APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
447 INITIALIZE_USE): Remove.
448 (alloc_vop): New. Allocate a virtual operand.
449 (alloc_vdef, alloc_vuse): Delete.
450 (add_def_op, add_use_op): Directly setup pointers.
451 (add_vop): New. Add a virtual operand.
452 (add_vuse_op, add_vdef_op): Call add_vop.
453 (realloc_vop): New. Reallocate a virtual operand.
454 (realloc_vdef, realloc_vuse): Call realloc_vop.
455 (finalize_ssa_def_ops): Delete. Move content to finalize_ssa_defs.
456 (finalize_ssa_defs): Optimize for common case, remove code based on
457 sorted pointers which was a waste of time.
458 (finalize_ssa_use_ops): Delete. Move content to finalize_ssa_uses.
459 (finalize_ssa_uses): Update last pointer.
460 (finalize_ssa_vdef_ops): Delete. Move content to finalize_ssa_vdefs.
461 (finalize_ssa_vdefs, finalize_ssa_vuse_ops): Use voptype_d and
462 directly manipulate pointers.
463 (copy_virtual_operands): Use voptype_d, and no need to update pointers.
465 2006-12-18 Nathan Sidwell <nathan@codesourcery.com>
467 * config/rs6000/rs6000.md (*movdf_hardfloat32): Use %X format to
468 determine if memory operand is an indexed address or not.
470 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
472 * cselib.c (struct cselib_val_struct): Make val_rtx its
473 own field, remove the union that contained it.
474 * cselib.c: Update accordingly where necessary.
476 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
478 * cse.c (have_eh_succ_edges): New function.
479 (cse_insn): Don't remove dead EH edges here
480 (cse_extended_basic_block): Do it here.
481 (rest_of_handle_cse, rest_of_handle_cse2): Don't assert
482 that we have removed all dead edges.
484 2006-12-17 Matthias Klose <doko@debian.org>
487 * gcc/config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.
489 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
491 * cse.c (cse_find_path): Don't wrap a gcc_assert in ENABLE_CHECKING.
492 (cse_extended_basic_block): When truncating a path while processing
493 it, make sure to clear the visited bit on the basic blocks in the
494 truncated part of the path.
495 (cse_main): Use reverse completion order, not DFS order, to walk
497 (gate_handle_cse): Revert erroneous commit of a counter.
499 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
501 * cse.c (this_insn_cc0, this_insn_cc0_mode): New global
502 variables, moved out from cse_insn.
503 (prev_insn): Remove this global variable).
504 (new_basic_block): Don't set it.
505 (cse_insn): Idem. Also, move code to delete unused CC0-setter
506 insns and code to set prev_insn_cc0 and prev_insn_cc0_mode
508 (cse_extended_basic_block): ...to here. Do not clear
509 prev_insn_cc0 until after recording equivalences from jumps.
511 2006-12-16 Jan Hubicka <jh@suse.cz>
513 * cgraphunit.c (ipa_passes): Clear current_function_decl.
515 2006-12-16 Andreas Tobler <a.tobler@schweiz.org>
517 * passes.c (verify_curr_properties): Define only for ENABLE_CHECKING.
519 2006-12-16 Jan Hubicka <jh@suse.cz>
521 * omp-low.c (expand_omp_parallel): Set function properties.
522 * function.h (struct function): Add curr_properties and last_verified.
523 * passes.c (register_dump_files): Do not set TODO_set_props for the
525 (init_optimization_passes): Set it here; reorder initialization so the
526 dump files appear in more logical order.
527 (last_verified, curr_properties): Kill.
528 (do_per_function): New function.
529 (execute_function_todo): Break out from ...
530 (execute_todo): ... here; handle per-function flags.
531 (clear_last_verified, verify_curr_properties,
532 update_properties_after_pass): New functions.
533 (execute_one_pass): Handle per-function properties.
534 (execute_ipa_pass_list): Use do_per_function; sanity check that cfun
535 and current_function_decls are cleared out.
536 * ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
539 2006-12-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
542 * c.opt (Wempty-body): New.
543 * doc/invoke.texi (Wempty-body): Document it.
544 (Wextra): Enabled by -Wextra.
545 * c-opts.c (c_common_post_options): Enabled by -Wextra.
546 * c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
547 * c-parser.c (c_parser_c99_block_statement): Likewise.
549 2006-12-15 Jakub Jelinek <jakub@redhat.com>
552 * config/rs6000/rs6000.md (div<mode>3): Use correct mode in
555 2006-12-15 Andrew Pinski <pinski@gmail.com>
558 * tree-inline.c (setup_one_parameter): Gimplify the statement if
559 the variable is not a gimple register variable.
561 2006-12-15 Uros Bizjak <ubizjak@gmail.com>
563 * invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
565 2006-12-14 Jan Hubicka <jh@suse.cz>
567 * tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
570 2006-12-14 Richard Guenther <rguenther@suse.de>
572 PR tree-optimization/30197
573 * builtins.c (fold_builtin_cexp): New function to fold cexp
574 to cexpi and exp parts.
575 * tree-ssa-pre.c (try_combine_conversion): Also handle
576 REALPART_EXPR and IMAGPART_EXPR.
578 2006-12-14 Richard Guenther <rguenther@suse.de>
581 * fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
582 + __complex__ ( 0, y ) to __complex__ ( x, y ).
583 Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
585 2006-12-14 Richard Guenther <rguenther@suse.de>
587 PR tree-optimization/30198
588 * fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
589 Fold IMAGPART_EXPR of cexpi to sin.
591 2006-12-14 Dorit Nuzman <dorit@il.ibm.com>
592 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
594 * spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
595 (spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
597 (spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
598 (spu_builtin_mask_for_load): New.
599 * spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
600 * spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
601 (vec_realign_load_<mode>, spu_lvsr): New.
603 2006-12-13 Ian Lance Taylor <iant@google.com>
607 * c-typeck.c (parser_build_binary_op): Move parentheses warnings
608 to warn_about_parentheses in c-common.c.
609 * c-common.c (warn_about_parentheses): New function.
610 * c-common.h (warn_about_parentheses): Declare.
611 * doc/invoke.texi (Warning Options): Update -Wparentheses
614 2006-12-13 Zdenek Dvorak <dvorakz@suse.cz>
616 * tree-ssa-loop-ivopts.c: Include tree-affine.h.
618 (constant_multiple_of): Fix order of operators for division.
619 (aff_combination_const, aff_combination_elt, aff_combination_scale,
620 aff_combination_add_elt, aff_combination_add, aff_combination_convert,
621 tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
622 aff_combination_to_tree): Moved to tree-affine.c and made to work with
623 double_int coefficients.
624 (get_computation_aff, get_computation_at): Work with double_int
626 (get_computation_cost_at): Do not use divide.
627 (rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
628 Assert that expressing the computation did not fail.
629 * tree-ssa-address.c: Include tree-affine.h.
630 (add_to_parts, most_expensive_mult_to_index, addr_to_parts,
631 create_mem_ref): Work with double_int coefficients.
632 * tree-affine.c: New file.
633 * tree-affine.h: New file.
634 * tree-flow.h (struct affine_tree_combination): Removed.
635 * Makefile.in (tree-affine.o): Add.
636 (tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
639 2006-12-13 Peter Bergner <bergner@vnet.ibm.com>
643 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
644 the offset == 0 "then" clauses.
645 * config/rs6000/predicates.md (gpc_reg_operand): Check for
648 2006-12-13 Uros Bizjak <ubizjak@gmail.com>
650 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
651 (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
652 (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
653 (FRAME_POINTER_REGNUM): Update register number to 20.
654 (REG_CLASS_CONTENTS): Update contents due to removed dir register.
655 (HI_REGISTER_NAMES): Remove "dirflag".
657 * config/i386/i386.c (regclass_map): Remove dirflag entry.
658 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
660 (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
662 * config/i386/i386.md (R10_REG, R11_REG): Renumber.
663 (sse_prologue_save, *sse_prologue_save_insn): Renumber
664 hardcoded SSE register numbers.
666 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
667 hardcoded MMX register numbers.
670 2006-12-13 Mark Shinwell <shinwell@codesourcery.com>
672 * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
673 FLDMX. Rename function to...
674 (vfp_output_fldmd): ...this.
675 (vfp_output_fstmx): Output FSTMD instead of FSTMX. Rename
677 (vfp_output_fstmd): ...this.
678 (vfp_emit_fstmx): Don't leave space in the frame layout for the
679 FSTMX format word. Rename function to...
680 (vfp_emit_fstmd): ...this.
681 (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
683 (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
684 (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
685 word. Also emit "vsave" assembler directives in such cases rather
687 * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
688 gnu_Unwind_Save_VFP): Adjust comments.
689 (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
690 for saving and restoring using FSTMD and FLDMD rather than
692 (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
693 New functions for saving and restoring the VFPv3 registers 16 .. 31.
694 * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
695 compilation case to correctly handle unwind opcode 0xc8 when using
697 * config/arm/unwind-arm.c (struct vfpv3_regs): New.
698 (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
699 (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
700 __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
702 (restore_non_core_regs): Restore registers using FLDMD rather than
703 FLDMX if required. Also handle restoration of VFPv3 registers.
704 (_Unwind_VRS_Pop): Handle saving and restoring of registers using
705 FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
706 including cases where the caller specifies a range of registers
707 that overlaps the d15/d16 boundary.
709 2006-12-13 Diego Novillo <dnovillo@redhat.com>
712 * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
713 accomodate 511 operands.
715 2006-12-13 Richard Guenther <rguenther@suse.de>
717 * builtins.c (expand_builtin_cexpi): Fix typo.
719 2006-12-13 Jan Hubicka <jh@suse.cz>
721 * Makefile.in: Add dependencies.
722 * tree-pretty-print.c: Include value-prof.h
723 (dump_generic_bb_buff): Dump histograms
724 * value-prof.c: Include pointer-set.h
725 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
726 set_histogram_value, gimple_histogram_value,
727 gimple_add_histogram_value, gimple_remove_histogram_value,
728 gimple_histogram_value_of_type, dump_histogram_value,
729 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
730 gimple_duplicate_stmt_histograms, visit_hist,
731 verify_histograms): New functions.
732 (tree_value_profile_transformations): Update for new histogram API.
733 (tree_divmod_fixed_value): Update for new histogram API.
734 (tree_divmod_fixed_value_transform): Update for new histogram API.
735 (tree_mod_pow2): Update for new histogram API.
736 (tree_mod_pow2_value_transform): Update for new histogram API.
737 (tree_mod_subtract): Update for new histogram API.
738 (tree_mod_subtract_transform): Update for new histogram API.
739 (tree_stringops_transform): Update for new histogram API.
740 (tree_divmod_values_to_profile): Update for new histogram API.
741 (tree_stringops_values_to_profile): Update for new histogram API.
742 (tree_find_values_to_profile): Update for new histogram API.
743 * value-prof.h (gimple_histogram_value): Declare.
744 (gimple_histogram_value_of_type): Declare.
745 (gimple_add_histogram_value): Declare.
746 (gimple_remove_histogram_value): Declare.
747 (dump_histograms_for_stmt): Declare.
748 (gimple_remove_histogram_value): Declare.
749 (gimple_remove_stmt_histograms): Declare.
750 (gimple_duplicate_stmt_histograms): Declare.
751 (verify_histograms): Declare.
753 (struct funrction): Add value_histograms hash.
754 (VALUE_HISTOGRAMS): New macro.
755 * profile.c (compute_value_histograms): update for new API.
756 * tree-inline.c: Include value-prof.h
757 (copy_bb): Update histograms.
758 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
759 reorder to get smaller memory layout.
760 * tree-cfg.c: Include value-prof.h
761 (bsi_remove): Update histograms.
762 (bsi_replace): Update histograms.
763 (verify_stmts): Call histogram verifier.
764 (tree_duplicate_bb): Update histograms.
765 (move_block_to_fn): Update histograms.
767 2006-12-13 Richard Guenther <rguenther@suse.de>
769 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
771 (cgraph_decide_inlining): Likewise.
773 2006-12-13 Richard Guenther <rguenther@suse.de>
775 PR tree-optimization/17687
776 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
777 New builtins for imaginary argument cexp.
778 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
779 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
780 New required builtin types.
781 * builtins.c (expand_builtin_cexpi): Declare.
782 (mathfn_built_in): Handle BUILT_IN_CEXPI.
783 (expand_builtin_cexpi): New static helper.
784 (expand_builtin): Call it.
785 (do_mpfr_sincos): Adjust for CEXPI evaluation.
786 (fold_builtin_sincos): New function to fold sincos to cepxi.
788 2006-12-13 Richard Guenther <rguenther@suse.de>
790 * ipa-reference.c (scan_for_static_refs): Also scan
791 tcc_comparison class trees.
793 2006-12-12 David Daney <ddaney@avtrex.com>
795 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
798 2006-12-12 Andrew Pinski <pinskia@gmail.com>
800 * tree-vect-transform.c (vect_permute_load_chain):
801 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
804 2006-12-13 Sa Liu <saliu@de.ibm.com>
805 Ben Elliston <bje@au.ibm.com>
807 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
808 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
809 * config/spu/spu-protos.h (spu_c_common_override_options):
811 * config/spu/spu-c.c (spu_c_common_override_options): New.
812 * config/spu/spu.c (spu_override_options): Whitespace fix.
814 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
816 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
818 2006-12-12 Geoffrey Keating <geoffk@apple.com>
820 * mips-tdump.c: Replace CROSS_COMPILE with
821 CROSS_DIRECTORY_STRUCTURE.
822 * mips-tfile.c: Likewise.
824 * configure.ac: Likewise.
825 * cppdefault.c: Likewise.
826 * Makefile.in: Likewise.
827 * config/alpha/osf.h: Likewise.
828 * config/i386/cygwin.h: Likewise.
829 * config/i386/beos-elf.h: Likewise.
830 * config/i386/nto.h: Likewise.
831 * config/fr30/fr30.h: Likewise.
832 * config/svr4.h: Likewise.
833 * config/rs6000/aix.h: Likewise.
834 * config/rs6000/sysv4.h: Likewise.
835 * config/pa/pa64-hpux.h: Likewise.
836 * config/pa/pa-hpux10.h: Likewise.
837 * config/pa/pa-hpux11.h: Likewise.
838 * collect2.c: Likewise.
839 * configure: Regenerate.
841 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
842 actually takes an unsigned HOST_WIDE_INT for its second parameter.
844 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
846 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
847 (spu_encode_section_info): New.
848 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
849 (SYMBOL_FLAG_ALIGN1): New.
851 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
854 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
855 bitmap for EXECUTE_IF_SET_IN_BITMAP.
857 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
860 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
861 (DECL_GIMPLE_REG_P): This.
862 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
864 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
865 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
866 and check for VECTOR_TYPE.
867 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
869 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
871 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
872 and check for VECTOR_TYPE.
873 (gimplify_bind_expr): Likewise.
874 (gimplify_function_tree): Likewise.
875 * expmed.c: Include target.h.
876 (extract_bit_field): For vector mode, try find a better mode first.
877 If that fails use gen_lowpart (for vectors only).
878 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
879 and check for VECTOR_TYPE.
880 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
881 (insert_into_preds_of_block): Likewise.
882 (insert_fake_stores): Create gimple register store_tmps for
884 * tree-sra.c (sra_elt): New field, is_vector_lhs.
885 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
886 are the left hand side, set the element's is_vector_lhs to true.
887 (instantiate_element): For vector types which were on the left
888 hand size, set DECL_GIMPLE_REG_P to false.
889 * tree-nested.c (create_tmp_var_for): Use the renamed
891 * tree-inline.c (declare_return_variable): Use the renamed
892 DECL_GIMPLE_REG_P and check for VECTOR_TYPE.
893 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
894 (copy_result_decl_to_var): Likewise.
895 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
896 create a gimple register variable.
897 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
898 vect_inter_* temp variables.
899 * Makefile.in (expmed.o): Update dependencies.
901 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
903 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
904 the offset == 0 "then" clauses.
905 * config/rs6000/predicates.md (gpc_reg_operand): Check for
908 2006-12-12 Marcin Dalecki <martin@dalecki.de>
910 * doc/passes.texi: remove docs about "redundant PHI removal".
911 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
912 remove redundant pass_partition_blocks declaration.
914 2006-12-12 Andrew Macleod <amacleod@redhat.com>
916 PR tree-optimization/30159
917 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
918 functions in case a default_def coalesce is required.
920 2006-12-12 Jakub Jelinek <jakub@redhat.com>
923 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
925 * config/ia64/linux.h (CPP_SPEC): Define.
926 * config/s390/linux.h (CPP_SPEC): Define.
928 2006-12-12 Jim Wilson <wilson@specifix.com>
929 Jakub Jelinek <jakub@redhat.com>
931 PR rtl-optimization/27761
932 * combine.c (try_combine): Don't create a useless garbage SET
933 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
934 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
935 and use it to prevent accidental modification of i1src.
937 2006-12-12 Ira Rosen <irar@il.ibm.com>
939 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
940 for stores with gaps.
941 * tree-vect-transform.c (vect_permute_store_chain): Create
942 interleave_high or interleave_low according to the endianess.
944 2006-12-12 Richard Guenther <rguenther@suse.de>
947 * fold-const.c (fold_read_from_constant_string): Only fold read
948 from constant string if the result type is integer.
950 2006-12-12 Olivier Hainque <hainque@adacore.com>
952 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
954 2006-12-12 Olivier Hainque <hainque@adacore.com>
956 * config/vxlib.c: Extract tls related routines into ...
957 * config/vxlib-tls.c: New file.
958 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
960 2006-12-12 Sa Liu <saliu@de.ibm.com>
961 Ben Elliston <bje@au.ibm.com>
963 * config/spu/spu.opt (mfixed-range): New option.
964 * config/spu/spu.h (spu_fixed_range_string): Declare.
965 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
966 (fix_range): New function.
967 * doc/invoke.texi (SPU Options): Document -mfixed-range.
968 * testsuite/gcc.target/spu/fixed-range.c: New.
969 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
971 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
975 * cgraphunit.c (cgraph_optimize): Remove call to
976 process_pending_assemble_externals.
978 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
980 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
982 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
983 (ia64_hpux_add_extern_decl): Removed.
984 (ia64_hpux_file_end): Likewise.
985 (extern_func_list): Likewise.
986 (extern_func_head): Likewise.
988 * output.h (assemble_external): Update comments.
989 (default_elf_asm_output_external): New.
990 (maybe_assemble_visibility): New.
992 * toplev.c (compile_file): Update comment.
994 * varasm.c (assemble_external): Always put it on
995 pending_assemble_externals.
996 (maybe_assemble_visibility): Make it extern and return int.
997 (default_elf_asm_output_external): New.
999 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
1001 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
1002 can't handle the pointer arithmetic.
1004 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1006 * doc/tree-ssa.texi: Update documentation for virtual operands
1007 and the use of push_stmt_changes/pop_stmt_changes.
1008 * doc/invoke.texi: Remove documentation for params
1009 global-var-threshold.
1010 Update documentation on max-aliased-vops.
1012 * tree-into-ssa.c: Cleanup comments, variables and
1013 spacing in various functions.
1014 (regs_to_rename): Declare.
1015 (mem_syms_to_rename): Declare.
1016 (dump_update_ssa): Declare.
1017 (debug_update_ssa): Declare.
1018 (dump_names_replaced_by): Declare.
1019 (debug_names_replaced_by): Declare.
1020 (dump_def_blocks): Declare.
1021 (debug_def_blocks): Declare.
1022 (dump_defs_stack): Declare.
1023 (debug_defs_stack): Declare.
1024 (dump_currdefs): Declare.
1025 (debug_currdefs): Declare.
1026 (mark_def_sites): Do not handle virtual operands.
1027 (compute_idf): Rename from find_idf. Update users.
1028 (register_new_def): Make local. Convert second argument
1030 Use BLOCK_DEFS_STACK directly.
1031 If pushing a non-register, also push the underlying
1033 (rewrite_stmt): Do not handle virtual operands.
1034 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
1035 dump_currdefs and dump_tree_ssa_stats.
1036 (dump_tree_ssa_stats): Also dump REPL_TBL.
1037 (replace_use): Remove. Update all users to call SET_USE
1039 (rewrite_blocks): Move code to free memory to
1041 (mark_def_site_blocks): Move initialization code to
1043 (init_ssa_renamer): New.
1044 (fini_ssa_renamer): New.
1045 (rewrite_into_ssa): Call them.
1046 (prepare_block_for_update): Process SSA_OP_ALL_USES first
1047 and SSA_OP_ALL_DEFS later. Do not process virtual
1048 operands separately.
1049 (dump_update_ssa): Call dump_decl_set.
1050 (init_update_ssa): Initialize regs_to_rename and
1052 Call init_ssa_renamer.
1053 (delete_update_ssa): Call fini_ssa_renamer.
1054 Free blocks_with_phis_to_rewrite.
1055 (mark_sym_for_renaming): If the variable has
1056 sub-variables, also mark them.
1057 If the variable belongs to a partition, also mark it.
1058 (mark_set_for_renaming): Call mark_sym_for_renaming on
1059 every symbol in the set.
1060 (switch_virtuals_to_full_rewrite): Call
1061 mark_set_for_renaming.
1062 (update_ssa): Separate syms_to_rename into regs_to_rename
1063 and mem_syms_to_rename.
1065 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
1066 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
1067 (debug_generic_stmt): Likewise.
1068 (debug_tree_chain): Likewise.
1069 (dump_symbols): New.
1070 (dump_generic_node): Check for TDF_MEMSYMS.
1071 Handle MEMORY_PARTITION_TAG.
1072 If the statement references memory and TDF_MEMSYMS is
1073 given, call dump_symbols.
1074 Indicate default names with (D).
1075 (dump_vops): Update for new virtual operator format.
1077 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
1078 tree_contains_struct.
1079 (tree_code_size): Handle MEMORY_PARTITION_TAG.
1080 (tree_node_structure): Likewise.
1081 (needs_to_live_in_memory): Handle SSA names.
1082 * tree.h (MTAG_P): Likewise.
1083 (struct tree_memory_partition_tag): Declare.
1084 (MPT_SYMBOLS): Define.
1085 (union tree_node): Add field 'mpt'.
1086 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
1087 * tree.def (MEMORY_PARTITION_TAG): Define.
1089 * tree-pass.h (TDF_MEMSYMS): Define.
1091 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
1093 * tree-ssa-alias.c: Include pointer-set.h
1094 (struct alias_map_d): Remove fields total_alias_vops,
1095 grouped_p and may_aliases. Update all users.
1096 (struct mp_info_def): Declare.
1097 (mp_info_t): New type.
1098 (get_smt_for): Rename from get_tmt_for. Update all
1100 (add_may_alias): Add argument ALREADY_ADDED. If given,
1101 use it to avoid adding duplicate entries to alias sets.
1102 (replace_may_alias): Remove. Update all users.
1103 (total_alias_vops_cmp): Remove. Update all users.
1104 (group_aliases_into): Remove. Update all users.
1105 (tree_pointer_compare): Remove. Update all users.
1106 (compact_name_tags): Remove. Update all users.
1107 (group_aliases): Remove. Update all users.
1108 (mark_non_addressable): Move from tree-flow-inline.h.
1109 Remove the symbol from the partition holding it, if
1111 (dump_mp_info): New.
1112 (debug_mp_info): New.
1113 (sort_mp_info): New.
1114 (create_partition_for): New.
1115 (rewrite_alias_set_for): New.
1116 (compute_memory_partitions): New.
1117 (compute_may_aliases): Call it.
1118 (init_alias_info): If computing aliases for the first
1119 time, mark every memory symbol for renaming.
1120 (have_common_aliases_p): New.
1121 (compute_flow_insensitive_aliasing): Call it.
1122 (setup_pointers_and_addressables): Do not cache
1123 num_referenced_vars.
1124 For register promoted symbols, mark their former
1125 partition for renaming.
1126 (maybe_create_global_var): Only create .GLOBAL_VAR if
1127 there are no call-clobbered variables and a mix of pure
1128 and non-pure functions were found.
1129 (may_alias_p): Tidy comments.
1130 (create_tag_raw): Remove unused variable new_type.
1131 (dump_alias_info): call dump_memory_partitions.
1132 (dump_points_to_info_for): Call dump_decl_set.
1133 (may_be_aliased): Tidy comments and formatting.
1135 * timevar.def (TV_MEMORY_PARTITIONING): Define.
1136 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
1137 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
1139 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
1140 * tree-vect-transform.c (vect_transform_loop): Call
1141 mark_set_for_renaming with vect_memsyms_to_rename.
1142 * tree-flow-inline.h (zero_imm_uses_p): New.
1143 (memory_partition): New.
1144 (set_memory_partition): New.
1145 (factoring_name_p): New.
1146 (symbol_mem_tag): New. Update every function that used
1147 to access the annotation directly.
1148 (set_symbol_mem_tag): Likewise.
1150 * tree-ssa-copy.c (may_propagate_copy): Allow copies
1151 between a partition and a symbol as long as the symbol
1152 belongs to the partition.
1153 (merge_alias_info): Ignore merge requests when memory
1154 partitions are involved.
1156 * tree-ssa.c (verify_ssa_name): Check that default
1157 definitions have empty defining statements.
1158 (verify_use): Remove argument IS_VIRTUAL.
1159 Don't call verify_ssa_name.
1160 (verify_phi_args): Call verify_ssa_name.
1161 (verify_flow_insensitive_alias_info): Handle MPTs.
1162 (verify_flow_sensitive_alias_info): Likewise.
1163 (verify_name_tags): Likewise.
1164 (verify_call_clobbering): Likewise.
1165 (verify_ssa): Check for VOPs only after aliasing
1166 information is available.
1167 Check virtuals and real operands separately.
1168 Call verify_ssa_name on every operand.
1169 (stmt_references_memory_p): Move to tree-ssa-operands.c.
1170 (walk_use_def_chains_1): Guard against NULL PHI
1173 * tree-ssa-operands.c (stmt_references_memory_p): Move from
1176 (dump_memory_partitions): New.
1177 (debug_memory_partitions): New.
1179 * tree-flow.h (struct var_ann_d): Add field mpt.
1180 (struct stmt_ann_d): Add bitfield references_memory.
1181 * Makefile.in (tree-ssa-structalias.o): Include
1183 (tree-ssa-alias.o): Likewise.
1184 * tree-ssa-structalias.c: (update_alias_info): Use
1185 STORED_SYMS to determine which variables are being
1186 written to by the store operation.
1187 * tree-ssa-structalias.h (struct alias_info)
1188 <total_alias_vops>: Remove. Update all users.
1189 <written_vars>: Change to a pointer set. Update all
1191 <dereferenced_ptrs_store>: Likewise.
1192 <dereferenced_ptrs_load>: Likewise.
1193 (NUM_REFERENCES): Remove. Update all users.
1194 (NUM_REFERENCES_CLEAR): Remove. Update all users.
1195 (NUM_REFERENCES_INC): Remove. Update all users.
1196 (NUM_REFERENCES_SET): Remove. Update all users.
1198 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
1200 (PARAM_MAX_ALIASED_VOPS): Set to 10.
1201 * tree-ssanames.c (make_ssa_name): Initialize
1202 SSA_NAME_IS_DEFAULT_DEF to 0.
1204 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
1206 * tree-ssa-dse.c (aggregate_vardecl_d): New.
1207 (dse_global_data): Add aggregate_vardecl field.
1208 (dse_possible_dead_store_p): New.
1209 Add prev_defvar variable.
1210 Allow immediate uses and previous immediate uses to differ
1211 if they are setting different parts of the whole.
1212 (get_aggregate_vardecl): New.
1213 (dse_record_partial_aggregate_store): New.
1214 (dse_whole_aggregate_clobbered_p): New.
1215 (dse_partial_kill_p): New.
1216 (dse_optimize_stmt): Abstract code checking a possible dead store
1217 into new function dse_possible_dead_store_p().
1218 Call dse_maybe_record_aggregate_store().
1219 When checking whether a STMT and its USE_STMT refer to the
1220 same memory address, check also for partial kills that clobber
1222 Move some variable definitions to the block where they are used.
1223 (aggregate_vardecl_hash): New.
1224 (aggregate_vardecl_eq): New.
1225 (aggregate_vardecl_free): New.
1226 (aggregate_whole_store_p): New.
1227 (tree_ssa_dse): Initialize and free aggregate_vardecl.
1228 Mark which aggregate stores we care about.
1230 2006-12-11 Andrew Macleod <amacleod@redhat.com>
1232 * tree-ssa-operands.h (struct vuse_element_d): Declare.
1233 (vuse_element_t): Declare.
1234 (struct vuse_vec_d): Declare.
1235 (vuse_vec_p): Declare.
1236 (VUSE_VECT_NUM_ELEM): Define.
1237 (VUSE_VECT_ELEMENT_NC): Define.
1238 (VUSE_ELEMENT_PTR_NC): Define.
1239 (VUSE_ELEMENT_VAR_NC): Define.
1240 (VUSE_VECT_ELEMENT): Define.
1241 (VUSE_ELEMENT_PTR): Define.
1242 (VUSE_ELEMENT_VAR): Define.
1243 (struct maydef_optype_d) <use_var>: Remove.
1246 (struct vuse_optype_d) <kill_var>: Remove.
1249 (struct mustdef_optype_d) <kill_var>: Remove.
1252 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
1253 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
1255 (VUSE_VECT): Define.
1256 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
1257 (MAYDEF_OP): Add argument. Use VUSE_OP.
1258 (MAYDEF_NUM): Define.
1259 (MAYDEF_VECT): Define.
1260 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
1261 (MUSTDEF_KILL): Use VUSE_OP.
1262 (MUSTDEF_NUM): Define.
1263 (MUSTDEF_VECT): Define.
1264 (realloc_maydef): Declare.
1265 (realloc_vuse): Declare.
1266 (struct ssa_operand_iterator_d) <vuse_index>: Add.
1267 <mayuse_index>: Add.
1268 (LOADED_SYMS): Define.
1269 (STORED_SYMS): Define.
1270 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
1271 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
1273 * tree-pretty-print.c: Likewise.
1274 * tree-ssa-dse.c: Likewise.
1275 * tree-flow-inline.h: Likewise.
1276 (op_iter_next_mustdef): New.
1277 * tree-ssa-operands.c: Likewise.
1278 (ALLOC_OPTYPE): Remove.
1282 (alloc_maydef): New.
1284 (alloc_mustdef): New.
1285 (realloc_maydef): New.
1286 (realloc_vuse): New.
1288 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
1290 * tree-ssa-operands.c: Remove build_v_must_defs.
1291 (init_ssa_operands): Delete build_v_must_defs.
1292 (finalize_ssa_v_must_def_ops): Remove.
1293 (finalize_ssa_v_must_defs): Remove.
1294 (finalize_ssa_stmt_operands): Do not call
1295 finalize_ssa_v_must_defs.
1296 (start_ssa_stmt_operands): Do not check build_v_must_defs.
1297 (append_v_must_def): Delete.
1298 (copy_virtual_operands): Do not copy V_MUST_DEFs.
1299 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
1300 comment. Remove opf_kill_def.
1301 (build_ssa_operands): Remove references to v_must_defs.
1302 (copy_virtual_operands): Same.
1303 (copy_virtual_operands): Same.
1304 (fini_ssa_operands): Same.
1305 (free_ssa_operands): Same.
1306 (add_mustdef_op): Remove.
1307 Remove mustdef_optype_p.
1308 (alloc_mustdef): Remove.
1309 Remove references to V_MUST_DEFs in comment at top of file.
1310 (get_expr_operands): Remove opf_kill_def.
1311 (opf_kill_def): Remove.
1312 (add_virtual_operand): Remove opf_kill_def.
1313 (get_indirect_ref_operands): Same.
1314 (get_tmr_operands): Same.
1316 * tree-vectorizer.c (rename_variables_in_bb): Remove
1319 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
1321 (check_loop_closed_ssa_stmt): Same.
1323 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
1325 (verify_ssa): Remove V_MUST_DEFs traces.
1326 (verify_ssa): Remove SSA_OP_ALL_KILLS.
1328 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
1330 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
1331 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
1333 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
1335 (MUSTDEF_OPS): Remove.
1336 (SSA_OP_VMUSTDEF): Remove.
1337 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
1338 (struct mustdef_optype_d): Remove.
1339 Remove mustdef_optype_p.
1340 (struct stmt_operands_d): Remove mustdef_ops.
1341 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
1342 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
1343 (MUSTDEF_RESULT_PTR): Remove.
1344 (MUSTDEF_RESULT): Remove.
1345 (MUSTDEF_KILL_PTR): Remove.
1346 (MUSTDEF_KILL): Remove.
1347 (MUSTDEF_NUM): Remove.
1348 (MUSTDEF_VECT): Remove.
1349 (SSA_OP_VIRTUAL_KILLS): Remove.
1350 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
1351 (SSA_OP_VMUSTKILL): Remove.
1352 (SSA_OP_ALL_KILLS): Remove.
1353 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
1355 * tree-flow-inline.h (op_iter_init_def): Remove
1356 SSA_OP_VIRTUAL_KILLS.
1357 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
1359 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1360 SSA_OP_VIRTUAL_KILLS.
1362 * tree-ssa-loop-im.c (determine_max_movement): Remove
1363 SSA_OP_VIRTUAL_KILLS.
1364 (gather_mem_refs_stmt): Same.
1365 (gather_mem_refs_stmt): Same.
1367 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
1368 (perform_tree_ssa_dce): Remove call to
1369 mark_really_necessary_kill_operand_phis.
1371 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
1373 (op_iter_next_use): Do not check mustkills.
1374 (op_iter_next_def): Do not check mustdefs.
1375 (op_iter_next_tree): Do not check mustkills or mustdefs.
1376 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
1377 (op_iter_next_maymustdef): Do not check mustkills.
1378 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
1379 (op_iter_init_mustdef): Remove.
1381 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
1384 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
1386 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
1387 (visit_assignment): Same.
1389 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
1391 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
1393 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
1395 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
1396 Remove kill_p variable.
1398 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
1399 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
1400 (collect_dfa_stats_r): Do not set num_v_must_defs.
1401 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
1404 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
1407 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1408 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
1410 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
1413 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
1415 PR rtl-optimization/30113
1416 * loop-iv.c (implies_p): Require the mode of the operands to be
1419 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1421 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
1422 Rename from create_ssa_artficial_load_stmt. Update all users.
1423 * tree-into-ssa.c (register_new_def): Make static.
1424 * tree.c (is_global_var): Handle SSA_NAMEs.
1425 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
1426 that used to call gimple_default_def.
1427 * tree-ssa-operands.c (push_stmt_changes): New.
1428 (pop_stmt_changes): New. Update every pass that modifies
1429 statements to bracket modifications with
1430 push_stmt_changes/pop_stmt_changes.
1431 (discard_stmt_changes): New.
1432 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
1433 'tree *' instead of 'tree'. Update all users.
1434 * tree-flow-inline.h (zero_imm_uses_p): New.
1435 (symbol_mem_tag): New. Update every function that used
1436 to access the annotation directly.
1437 (set_symbol_mem_tag): Likewise.
1438 * tree-dfa.c (dump_variable): Always show the escape mask.
1439 (mark_symbols_for_renaming): Rename from
1440 mark_new_vars_to_rename. Update all users.
1441 Only mark to rename naked symbols in real and virtual
1444 2006-12-11 Andreas Schwab <schwab@suse.de>
1446 * varasm.c (elf_record_gcc_switches): Cast second argument of
1447 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
1449 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1451 * tree-scalar-evolution.c (scev_const_prop):
1452 * tree-phinodes.c (remove_phi_node): Add argument
1453 RELEASE_LHS_P. If given, release the SSA name on the LHS of
1456 * tree-ssa-dce.c: Remove forward declarations for static
1457 functions. Re-arrange functions bodies as needed.
1458 (find_obviously_necessary_stmts): Never mark PHI nodes as
1459 obviously necessary.
1461 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
1463 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
1465 2006-12-11 Jan Hubicka <jh@suse.cz>
1467 * value-prof.c (tree_stringops_transform): New.
1468 (tree_value_profile_transformations): Require count to be non-zero;
1469 call stringop transform; reset stmt BSI after BB changed.
1470 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
1471 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
1472 (tree_stringops_values_to_profile): New.
1473 (tree_values_to_profile): Call tree_stringops_values_to_profile.
1474 * tree.h (build_string_literal): Tidy prototype.
1475 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
1477 * builtins.c (validate_arglist, builtin_memset_read_str,
1478 get_pointer_alignment): Export.
1480 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
1484 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1486 * config/i386/i386.opt: New target option -mx87regparm.
1488 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
1489 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
1490 (X87_REGPARM_MAX): Define.
1492 * config/i386/i386.c (override_options): Error out for
1493 -mx87regparm but no 80387 support.
1494 (ix86_attribute_table): Add x87regparm.
1495 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1496 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1497 (ix86_function_x87regparm): New function.
1498 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1500 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1502 (function_arg_advance): Process x87_nregs and x87_regno when
1503 floating point argument is to be passed in 80387 register.
1504 (function_arg): Pass XFmode arguments in 80387 registers for local
1505 functions. Pass SFmode and DFmode arguments to local functions
1506 in 80387 registers when flag_unsafe_math_optimizations is set.
1508 * reg-stack.c (convert_regs_entry): Disable NaN load for
1509 stack registers that are used for argument passing.
1511 * doc/extend.texi: Document x87regparm function attribute.
1512 * doc/invoke.texi: Document -mx87regparm.
1514 2006-12-11 Jan Hubicka <jh@suse.cz>
1516 Move all varpool routines out of cgraph/cgraphunit to varpool.c
1517 * cgraph.c: Update comments.
1518 (cgraph_varpool_hash,
1519 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
1520 cgraph_varpool_node_name, cgraph_varpool_node,
1521 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
1522 cgraph_variable_initializer_availability): Move to
1523 varpool.c and drop cgraph_ prefixes.
1524 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
1525 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
1526 move to varpool.c; drop cgraph_ prefix; make static.
1527 (dump_cgraph_varpool_node): Move to varpool.c under name
1529 (dump_varpool, hash_varpool_node, eq_varpool_node,
1530 decide_is_variable_needed): Move to varpool.c
1531 (decl_assembler_name_equal): Move to tree.c.
1532 (availability_names): Rename to ...
1533 (cgraph_availability_names): ... this one.
1534 (dump_cgraph_node): Update.
1535 * cgraph.h: Reorder declarations now in varpool.c
1536 (cgraph_vailablity_names): Declare.
1537 (struct cgraph_varpool_node): Rename to ...
1538 (struct varpool_node): ... this one.
1539 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
1540 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
1541 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
1542 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
1543 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
1544 cgraph_variable_initializer_availability): Rename to ...
1545 (varpool_first_unanalyzed_node, varpool_nodes_queue,
1546 varpool_first_unanalyzed_node, varpool_node,
1547 varpool_node_for_asm, varpool_mark_needed_node,
1548 varpool_finalize_decl, varpool_enqueue_needed_node,
1549 varpool_assemble_pending_decls, variable_initializer_availability):
1551 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
1552 * tree.h (decl_assembler_name_equal): Declare.
1553 * omp-low.c (lower_omp_critical): Update.
1554 * ipa-reference (analyze_variable, static_execute): Likewise.
1555 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
1556 * cgraphunit.c: Update comments.
1557 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
1558 varpool_assembled_nodes_queue.
1559 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
1560 varpool_analyze_pending_decls.
1561 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
1562 varpool_remove_unreferenced_decls.
1563 (record_reference): Update.
1564 (cgraph_create_edges): Update.
1565 (record_referneces_in_initializer): New function.
1566 (cgraph_varpool_assemble_decl): Move to varpool.c under name
1567 varpool_assemble_decl; make global.
1568 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
1569 varpool_assemble_pending_decls.
1570 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
1571 struct cgraph_order_sort, cgraph_output_in_order,
1572 cgraph_function_and_variable_invisibility, cgraph_optimize,
1573 cgraph_increase_alignment): Update.
1574 * dwarf2out.c (decls_for_scope): Likewise.
1575 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
1576 * except.c (output_ttype): Likewise.
1577 * varasm.c (mark_decl_referenced): Likewise.
1578 (find_decl_and_mark_referenced, assemble_alias): update.
1579 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
1580 * passes.c (rest_of_decl_compilation): Update.
1582 2006-12-11 Ira Rosen <irar@il.ibm.com>
1584 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
1585 GIMPLE_STMT_OPERAND.
1586 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
1587 (vect_setup_realignment): Likewise.
1589 2006-12-11 Sa Liu <saliu@de.ibm.com>
1590 Ben Elliston <bje@au.ibm.com>
1592 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1593 (ENDFILE_SPEC): Likewise.
1594 * config/spu/spu.opt (mstdmain): New option.
1595 * config/spu/crti.asm: Remove.
1596 * config/spu/crtn.asm: Likewise.
1597 * config/spu/crt0.c: Likewise.
1598 * config/spu/crtend.c: Likewise.
1599 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1601 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1602 * doc/invoke.texi (SPU Options): Document -mstdmain.
1604 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1606 * doc/loop.texi: Document number_of_latch_executions and
1607 number_of_cond_exit_executions.
1608 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1609 chrec_is_positive, number_of_iterations_for_all_loops,
1610 scev_const_prop): Use number_of_latch_executions.
1611 (set_nb_iterations_in_loop): Do not increase the value of the
1612 number of iterations.
1613 (number_of_iterations_in_loop): Renamed to ...
1614 (number_of_latch_executions): ... this.
1615 (number_of_exit_cond_executions): New function.
1616 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1618 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
1619 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1620 number_of_latch_executions.
1621 * tree-data-ref.c (get_number_of_iters_for_loop): Use
1622 number_of_exit_cond_executions.
1623 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1624 * cfgloop.h (struct loop): Improve description of the nb_iterations
1627 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
1629 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1630 (tree_pointer_compare): Remove.
1632 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1634 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1635 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1636 * tree-loop-linear.c (linear_transform_loops): Ditto.
1637 * tree-ssa-loop-im.c (determine_lsm): Ditto.
1638 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1639 free_numbers_of_iterations_estimates): Ditto.
1640 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1641 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1642 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1643 * modulo-sched.c (sms_schedule): Ditto.
1644 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1645 tree_unroll_loops_completely): Ditto.
1646 * predict.c (predict_loops): Ditto.
1647 * tree-if-conv.c (main_tree_if_conversion): Ditto.
1648 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1649 decide_unrolling_and_peeling): Ditto.
1650 * cfgloopmanip.c (unloop): Use delete_loop.
1651 (place_new_loop): Access larray vector instead of parray.
1652 (create_preheaders, force_single_succ_latches,
1653 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1654 * loop-doloop.c (doloop_optimize_loops): Ditto.
1655 * loop-invariant.c (move_loop_invariants): Ditto.
1656 * tree-cfg.c (replace_uses_by): Ditto.
1657 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1658 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1660 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1662 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1663 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1664 get_loop and get_chrec_loop.
1665 (number_of_iterations_for_all_loops): Use number_of_loops.
1666 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1667 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1668 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1670 * tree-chrec.c (evolution_function_is_invariant_rec_p,
1671 chrec_convert_1): Use get_loop and get_chrec_loop.
1672 * loop-init.c (loop_optimizer_init): Use number_of_loops.
1673 (loop_optimizer_init): Use FOR_EACH_LOOP.
1674 * tree-vectorizer.c (vect_loops_num): Removed.
1675 (vectorize_loops): Store number of loops locally. Use
1676 FOR_EACH_LOOP and get_loop.
1677 * tree-vectorizer.h (vect_loops_num): Removed.
1678 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1679 (find_data_references_in_loop): Do not set parallel_p.
1680 * tree-data-ref.h: Do not declare VEC(loop_p).
1681 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1682 verify_loop_structure): Use FOR_EACH_LOOP.
1683 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1684 (initialize_loops_parallel_p): Removed.
1685 (flow_loops_find): Push the loops into a vector.
1686 (delete_loop): New function.
1687 (cancel_loop): Use delete_loop.
1688 * cfgloop.h: Declare VEC(loop_p).
1689 (struct loop): Remove parallel_p field.
1690 (struct loops): Replace num and parray field by larray vector.
1691 Remove shared_headers field.
1692 (delete_loop): Declare.
1693 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1694 FOR_EACH_LOOP): New.
1695 * doc/loop.tex: Document new accessor functions.
1697 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
1699 * common.opt (-ftree-lrs): Remove live range splitting option.
1700 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1701 * opts.c (decode_options): Remove flag_tree_live_range_split.
1702 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1703 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
1704 * tree-outof-ssa.c: Remove header files which aren't needed.
1705 (SSANORM_*): Remove flags.
1706 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1707 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1708 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1709 (assign_vars): Use Basevar instead of root_var structure.
1710 (replace_def_variable): Dont do anything if def is replaceable.
1711 (remove_ssa_form): Integrate functional changes.
1712 (rewrite_out_of_ssa): Remove live-range_split option.
1713 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1714 (coalesce_cost): Calculate the cost of a coalesce.
1715 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1716 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1717 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1718 (pop_best_coalesce): Remove the best coalesce from the list.
1719 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1720 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1721 (create_coalesce_list): Create a coalesce list object.
1722 (delete_coalesce_list): Free a coalesce list object.
1723 (find_coalesce_pair): Find matching pair in the coalesce list.
1724 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1725 (add_coalesce): Add a coalesce to the coalesce list.
1726 (compare_pairs): Comparision function to determine pair sorted order.
1727 (num_coalesce_pairs): Number of coalesced pairs.
1728 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1729 Coalesce pair iterator functions.
1730 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1731 (dump_coalesce_list): Show coalesce list.
1732 (ssa_conflicts_new): Create an SSA conflict graph.
1733 (ssa_conflicts_delete): Delete an SSA conflict graph.
1734 (ssa_conflicts_test_p): Test for conflicts.
1735 (ssa_conflicts_add_one): Add a single conflict.
1736 (ssa_conflicts_add): Add a conflict pair.
1737 (ssa_conflicts_merge): Merge conflicts.
1738 (struct live_track_d): Struct for tracking live partitions.
1739 (new_live_track): Create new live_track object.
1740 (delete_live_track): Delete a live_track object.
1741 (live_track_remove_partition): Remove a partition from the live list.
1742 (live_track_add_partition): Add a partition from the live list.
1743 (live_track_clear_var): Take VAR from the live list.
1744 (live_track_live_p): Is var live?
1745 (live_track_process_use): Make var come alive.
1746 (live_track_process_def): Make var go dead, add conflicts.
1747 (live_track_init): Initialize to a live on exit set.
1748 (live_track_clear_base_vars): Clear live partitions.
1749 (build_ssa_conflict_graph): Build a conflict graph.
1750 (print_exprs): Common debug output routine.
1751 (abnormal_corrupt): Output info about a failed coalesce across an
1753 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1754 (create_outofssa_var_map): Create a var map and coalesce list.
1755 (attempt_coalesce): Coalesce a pair.
1756 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1757 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1758 * tree-ssa-live.c: Remove header files which aren't needed.
1759 (var_map_base_init): New. Initialize a basevar list.
1760 (var_map_base_fini): New. Finish a basevar list.
1761 (init_var_map): Initialize new fields.
1762 (delete_var_map): Free new fields.
1763 (var_union): Use renamed fields.
1764 (compact_var_map): Remove.
1765 (partition_to_view_init): Use renamed fields, change order of an if.
1766 (partition_view_fini): Use renamed fields.
1767 (partition_view_normal): Create basevar list if requested.
1768 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1769 (change_partition_var): Use renamed fields.
1770 (create_ssa_var_map): Remove.
1771 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1772 root_var_init): Remove.
1773 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1774 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1775 compare_pairs, num_coalesce_pairs, first_partition_pair,
1776 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1777 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1778 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1779 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1780 (dump_var_map): Use renamed fields.
1781 * tree-ssa-live.h (struct _var_map): Modify fields.
1782 (partition_to_var, version_to_var, var_to_partition): Use renamed
1784 (basevar_index): New. Index of the base variable of a partition.
1785 (num_basevars): New. Number of unique base variables in partition map.
1786 (register_ssa_partition): Use renamed fields.
1787 (struct tree_partition_associator_d): Remove.
1788 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1789 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1790 root_var, root_var_first_partition, root_var_next_partition,
1791 root_var_dump, root_var_delete, root_var_remove_partition,
1792 root_var_find, root_var_compact, root_var_decompact): Remove.
1793 (struct partition_pair, struct coalesce_list_d): Moved to
1795 * tree-ssa-ter.c: Remove header files which aren't needed.
1797 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1799 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1800 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1802 (cse_visited_basic_blocks): New static bitmap.
1803 (cse_end_of_basic_block, cse_basic_block): Remove.
1804 (cse_find_path, cse_dump_path, cse_prescan_path,
1805 cse_extended_basic_block): New static functions.
1806 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1807 basic block boundaries. Don't record jump equivalences here.
1808 Update the CFG after doing in-place replacement of the SET_SRC.
1809 (cse_main): Rewrite. Look for extended basic block headers
1810 and call cse_extended_basic_block on them until all paths that
1811 start at this header are exhausted.
1812 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1813 and correct after cse_main.
1814 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1815 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1816 (pass_cse): Add TODO_verify_flow.
1817 (pass_cse2): Likewise.
1819 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1821 * reload1.c (choose_reload_regs): Don't set byte offset when
1822 resolving subregs of hard regs.
1824 2006-12-09 Zack Weinberg <zackw@panix.com>
1826 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1827 suitable for the language, if set_yydebug is true.
1828 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1829 YYDEBUG or declare yydebug.
1830 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1832 2006-12-09 Jan Hubicka <jh@suse.cz>
1834 * cgraph.c: Update copyright.
1835 * cgraph.h: Likewise
1836 (cgraph_update_pending_function): Remove prototype.
1837 * cgraphunit.c: Update copyright; update overall comment.
1838 (cgraph_assemble_pending_functions): Make local.
1840 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1842 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1844 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1846 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1848 (cpat_const_p, gen_cpat_const): Add.
1849 * config/spu/spu.c (immediate_class): New enum.
1850 (cpat_info, classify_immediate): New.
1851 (print_operand): Use S, D, T instead of F, G, H. Use
1852 classify_immediate. Handle cpat cases.
1853 (spu_split_immediate): Renamed from spu_split_address. Split all
1854 immediates that can be split.
1855 (immediate_load_p): Use classify_immediate.
1856 (spu_legitimate_constant_p): Accept everything except some cases of
1858 (spu_expand_move): Use spu_split_immedate.
1859 (fsmbi_const_p): Use classify_immediate.
1860 (cpat_const_p): New.
1861 (gen_cpat_const: New.
1862 * config/spu/constraints.md (j,k,l): New constraints for cpat
1864 * config/spu/spu.md (unnamed splitter): Change address splitter to
1865 handle all immediates.
1866 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1868 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1871 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1874 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1875 patterns. Correct length of high:DI instruction sequence.
1877 2006-12-08 Mike Stump <mrs@apple.com>
1879 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1880 libgcc with -mmacosx-version-min=10.4.
1881 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1882 G4 for 10.5+ unless doing kernel builds.
1884 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
1887 * reg-stack.c (convert_regs_entry): Mark current argument passing
1890 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1891 of float arguments in x87 registers.
1893 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
1895 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1897 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
1899 * recog.c (mode_dependent_address_p): Identify pre-increment,
1900 pre-decrement, post-increment and post-decrement addressing as always
1901 being mode-dependent.
1902 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1903 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1904 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1905 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1906 PRE_INC and POST_INC checks.
1907 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1908 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1909 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1910 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1911 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1912 PRE_INC, POST_DEC and POST_INC cases.
1913 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1914 Delete POST_INC and PRE_DEC cases.
1915 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1917 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1918 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1920 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1921 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1922 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1923 PRE_INC and PRE_DEC cases.
1924 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1925 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1926 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1927 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1928 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1929 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1930 auto-increment cases.
1931 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1932 auto-increment cases.
1933 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1935 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1937 * Makefile.in: Add new file tree-ssa-ter.c.
1938 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1939 free_temp_expr_table, add_value_to_version_list,
1940 add_value_to_partition_list, remove_value_from_partition_list,
1941 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1942 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1943 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1944 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1946 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1947 (struct value_expr_d): Remove.
1948 (struct temp_expr_table_d): Rename fields, add explicit vector of
1949 replaceable expressions instead of sharing. Change value_expr_p's to
1950 bitmap. Delete free_list.
1951 (new_temp_expr_table): Rename fields, count number of ssa_names in
1953 (free_temp_expr_table): Rename field, free new fields.
1954 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1955 add_info_to_list, remove_value_from_list): Delete.
1956 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1957 (make_dependent_on_partition): New. Set bit in version list, allocating
1958 a bitmap if need be.
1959 (add_to_partition_kill_list): New. Set bit in the partition list,
1960 allocating a bitmap if need be.
1961 (remove_from_partition_kill_list): New. Remove a bit from the
1962 partition list, free the bitmap if it is empty.
1963 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1964 on partitions with only one member.
1965 (is_replaceable_p): New. Split out replaceability check from
1967 (process_replaceable): New. Code split from check_replaceable.
1968 (check_replaceable): Removed.
1969 (finished_with_expr): Renamed from finish_expr.
1970 (kill_expr): Use renamed fields and less parameters.
1971 (kill_virtual_exprs): Less parameters.
1972 (mark_replaceable): Use renamed fields.
1973 (find_replaceable_in_bb): Use renamed fields, cleanup.
1974 (find_replaceable_exprs): Use renamed routines, cleanup.
1975 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1976 (debug_ter): New. Debug routine to dump state.
1978 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1980 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1981 anything involving the GOT.
1982 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1983 (trapping_loads_p): Look inside the pattern of an insn to find the
1985 * config/bfin/bfin.md (attr "type"): Add movcc.
1986 (insn_reservation "alu"): Likewise.
1987 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1989 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1991 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1992 (spu_resolve_overloaded_builtin): Check for non scalar instead
1993 of vector type and check the function call argument type also for
1995 Call build_function_call instead of spu_build_overload_builtin.
1997 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1999 * config/spu/spu.c (array_to_constant): Correct the order of arguments
2000 to the calls of hwint_to_const_double.
2002 2006-12-07 Nick Clifton <nickc@redhat.com>
2004 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
2005 elf_record_gcc_switches.
2007 2006-12-07 Andrew Macleod <amacleod@redhat.com>
2009 * expr.c (string_constant): Account for non-zero lower bound arrays.
2011 2006-12-07 Richard Guenther <rguenther@suse.de>
2013 * builtins.c (expand_builtin_pow): Adjust predicates for
2014 pow to cbrt expansion to unsafe math and !HONOR_NANS for
2017 2006-12-07 Jan Hubicka <jh@suse.cz>
2019 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
2022 2006-12-07 Jan Hubicka <jh@suse.cz>
2024 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
2025 use fold_constant_to_binary; tolerate wrong type constants.
2026 (value_intersect_p): Do just two tests.
2028 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
2030 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
2031 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
2032 lshifthi3): Use it, and fix the order of alternatives.
2034 2006-12-07 Nick Clifton <nickc@redhat.com>
2036 * common.opt (record-gcc-switches): New command line switch.
2037 * target.h (print_switch_type): New enum.
2038 (print_switch_fn_type): New typedef for a function pointer.
2039 (struct gcc_target): Add record_gcc_switches and
2040 record_gcc_switches_section fields.
2041 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
2043 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
2045 * toplev.c (print_single_switch): Simplify by providing a
2046 pointer to function that will format and output the switch
2048 (print_switch_values): Likewise.
2049 (print_to_asm_out_file): New function.
2050 (print_to_stderr): New function.
2051 (init_asm_output): If flag_record_gcc_switches is set then if
2052 the target supports recording the switches then emit them into
2053 the assembler output file, otherwise tell the user that the
2054 switch is not supported.
2055 * varasm.c (eld_record_gcc_switches): New function. Example
2056 handler for the record_gcc_switches target hook.
2057 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
2059 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
2060 * doc/invoke.texi (-frecord-gcc-switches): Document.
2062 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2065 * sched-rgn.c (add_block1): Use correct initializer.
2067 2006-12-07 Richard Guenther <rguenther@suse.de>
2069 * tree-vect-transform.c (vectorizable_call): Fix leftover of
2070 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
2072 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
2075 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
2076 not GIMPLE_MODIFY_STMT.
2078 2006-12-06 Jan Hubicka <jh@suse.cz>
2080 * tree-vrp.c (operand_less_p): New.
2081 (compare_values, value_inside_range): Rewrite in terms of
2084 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
2086 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
2088 (length_immediate): Do not depend on cld type attribute.
2089 (length_address): Ditto.
2092 (cld): Remove insn pattern.
2093 (strmov_singleop): Do not use DIRFLAG_REG.
2094 (*strmovdi_rex_1): Ditto.
2095 (*strmovsi_1): Ditto.
2096 (*strmovsi_rex_1): Ditto.
2097 (*strmovhi_1): Ditto.
2098 (*strmovhi_rex_1): Ditto.
2099 (*strmovqi_1): Ditto.
2100 (*strmovqi_rex_1): Ditto.
2102 (*rep_movdi_rex64): Ditto.
2103 (*rep_movsi): Ditto.
2104 (*rep_movsi_rex64): Ditto.
2105 (*rep_movqi): Ditto.
2106 (*rep_movqi_rex64): Ditto.
2107 (strset_singleop): Ditto.
2108 (*strsetdi_rex_1): Ditto.
2109 (*strsetsi_1): Ditto.
2110 (*strsetsi_rex_1): Ditto.
2111 (*strsethi_1): Ditto.
2112 (*strsethi_rex_1): Ditto.
2113 (*strsetqi_1): Ditto.
2114 (*strsetqi_rex_1): Ditto.
2116 (*rep_stosdi_rex64): Ditto.
2117 (*rep_stossi): Ditto.
2118 (*rep_stossi_rex64): Ditto.
2119 (*rep_stosqi): Ditto.
2120 (*rep_stosqi_rex64): Ditto.
2121 (cmpstrnsi): Do not generate cld insn.
2122 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
2123 (*cmpstrnqi_nz_1): Ditto.
2124 (*cmpstrnqi_nz_rex_1): Ditto.
2125 (cmpstrnqi_1): Ditto.
2126 (*cmpstrnqi_1): Ditto.
2127 (*cmpstrnqi_rex_1): Ditto.
2128 (strlenqi_1): Ditto.
2129 (*strlenqi_1): Ditto.
2130 (*strlenqi_rex_1): Ditto.
2132 * config/i386/geode.md (shift): Do not depend on cld type attribute.
2133 * config/i386/pentium.md (pent_cld): Remove insn reservation.
2134 * config/i386/athlon.md (athlon_decode): Do not depend on cld
2136 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
2137 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
2139 (k6_alux_only_load): Ditto.
2140 (k6_alux_only_store): Ditto.
2142 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
2143 Do not emit cld instruction.
2144 (ix86_expand_setmem): Ditto.
2145 (ix86_expand_strlen): Do not emit cld instruction.
2147 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
2149 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
2152 2006-12-06 Diego Novillo <dnovillo@redhat.com>
2154 * gdbinit.in: Set complaints to 0.
2156 2006-12-06 Jan Hubicka <jh@suse.cz>
2158 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
2159 ALONE_MEM_STAT_DECL): New macros.
2160 * bitmap.h: Include statistics.h
2161 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
2162 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
2163 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
2164 * bitmap.c: Include hashtab.h
2165 (bitmap_descriptor): New.
2166 (bitmap_hash): New static variable
2167 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
2168 New static functions.
2169 (bitmap_register): New.
2170 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
2171 bitmap_obstack_release): Do accounting.
2172 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
2174 (bitmap_gc_alloc_stat): Likewise.
2175 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
2176 (print_statistics, dump_bitmap_statistics): New functions.
2177 * toplev.c (finalize): Dump bitmap statistics.
2179 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
2181 * reload1.c (delete_output_reload): Count occurrences in
2182 CALL_INSN_FUNCTION_USAGE.
2183 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
2184 crashing at the end of the list.
2186 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
2188 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
2189 Optimize to avoid marking more SMT's as used when they aren't.
2191 2006-12-05 Eric Christopher <echristo@apple.com>
2193 * config/i386/i386.c (x86_output_aligned_bss): Move out
2194 of COMMON_ASM_OP ifdef.
2196 2006-12-05 Eric Christopher <echristo@apple.com>
2198 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
2199 (STARTFILE_SPEC): Use.
2200 (DARWIN_DYLIB1_SPEC): New.
2201 (DARWIN_CRT1_SPEC): New.
2202 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
2204 * config/i386/darwin.h: Ditto.
2205 * config/rs6000/darwin.h: Ditto.
2207 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
2209 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
2210 * tree-complex.c (pass_lower_complex): Ditto.
2211 * tree-ssa-ccp.c (pass_ccp): Ditto.
2212 (pass_store_ccp): Ditto.
2213 * tree-ssa-dom.c (pass_dominator): Ditto.
2214 (pass_phi_only_cprop): Ditto.
2215 * tree-sra.c (pass_sra): Ditto.
2216 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2217 * tree-flow.h (updating_used_alone): Remove.
2218 (updating_used_alone): Ditto.
2219 * tree-ssa-alias.c (updating_used_alone): Remove variable.
2220 (lhs_may_store_to): Remove function.
2221 (recalculate_used_alone): Ditto.
2222 (compute_may_aliases): Remove used_alone calculation.
2223 * tree.h (struct tree_memory_tag): Remove is_used_alone and
2224 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
2225 * tree-pass.h (PROP_smt_usage): Remove.
2226 * passes.c (execute_todo): Remove used alone recalculation.
2227 (execute_one_pass): Ditto.
2228 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
2231 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
2233 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
2235 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
2237 PR tree-optimization/14784
2238 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
2240 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
2242 Merge from gimple-tuples-branch.
2244 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2246 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
2248 (s390_gimplify_va_arg): Same.
2249 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
2250 * config/sh/sh.c (sh_va_start): Same.
2251 (sh_gimplify_va_arg_expr): Same.
2252 * config/xtensa/xtensa.c (xtensa_va_start): Same.
2253 (xtensa_gimplify_va_arg_expr): Same.
2254 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
2255 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
2256 * config/mips/mips.c (mips_va_start): Same.
2257 (mips_gimplify_va_arg_expr): Same.
2259 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2261 * Merge from mainline at revision 119445.
2263 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2265 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
2267 (spu_gimplify_va_arg_expr): Same.
2269 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2271 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2272 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2273 (xstormy16_expand_builtin_va_arg): Same.
2275 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2277 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
2278 to GIMPLE_MODIFY_STMT.
2280 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2282 * config/alpha/alpha.c (va_list_skip_additions): Change all
2283 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2284 (alpha_va_start): Same.
2285 (alpha_gimplify_va_arg_1): Same.
2286 (alpha_gimplify_va_arg): Same.
2288 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
2290 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
2292 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
2294 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
2295 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
2297 * tree-complex.c: Same.
2298 * tree-pretty-print.c: Same.
2302 * fold-const.c: Same.
2303 * tree-ssa-dom.c: Same.
2304 * tree-ssa-propagate.c: Same.
2305 * tree-ssa-alias.c: Same.
2306 * gimple-low.c: Same.
2307 * dwarf2out.c: Same.
2308 * c-pretty-print.c: Same.
2310 * tree-inline.c: Same.
2311 * tree-outof-ssa.c: Same.
2312 * tree-ssa-structalias.c: Same.
2313 * tree-ssa-reassoc.c: Same.
2316 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
2318 * tree.c (build2_stat): Fix comment.
2320 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
2322 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
2323 TREE_OPERAND when appropriate.
2325 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
2327 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
2328 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
2329 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
2330 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
2331 not handle GIMPLE_MODIFY_STMT in the switch statement.
2332 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
2333 (java_gimplify_new_array_init): Same.
2335 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
2337 * gimplify.c (gimplify_omp_for): Allow gimple statements.
2338 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
2339 * fold-const.c (fold_binary): Allow gimple statements.
2341 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
2342 Rename from gfc_conv_descriptor_data_set.
2343 Call gfc_add_modify instead of gfc_add_modify_expr.
2344 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
2345 Rename from gfc_conv_descriptor_data_set.
2346 (gfc_conv_descriptor_data_set): New macro.
2347 (gfc_conv_descriptor_data_set_tuples): New macros.
2348 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
2349 gfc_conv_descriptor_data_set_tuples.
2350 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
2351 Generate GIMPLE_MODIFY_STMT when appropriate.
2352 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
2353 (gfc_add_modify_expr): New macro.
2354 (gfc_add_modify_stmt): New macro.
2355 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
2357 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
2359 * Merge from mainline at revision 118200.
2361 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2363 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
2366 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2368 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
2370 Also, add __extension__ to GCC versions.
2371 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2372 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
2375 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
2377 * tree-complex.c (expand_complex_libcall): Adjust for
2379 (expand_complex_comparison): Same.
2380 * tree-pretty-print.c (dump_generic_node): Is_expr should include
2381 GIMPLE_STMT_P statements.
2382 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
2384 (tree_mod_pow2_value_transform): Same.
2385 (tree_mod_subtract_transform): Same.
2386 * tree.c (build2_stat): Check for gimplified function in cfun.
2387 * tree.h (DECL_GIMPLIFIED): Delete.
2388 (struct tree_function_decl): Remove gimplified_flag.
2389 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
2390 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
2391 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
2392 (cxx_omp_clause_copy_ctor): Same.
2393 (cxx_omp_clause_assign_op): Same.
2394 * c-pretty-print.c (pp_c_conditional_expression): Same.
2395 (pp_c_expression): Same.
2396 * langhooks.c (lhd_omp_predetermined_sharing): Same.
2397 * function.h (struct function): Add gimplified field.
2398 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
2400 (find_phi_replacement_condition): Same.
2401 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
2402 (gimplify_modify_expr_to_memset): Same.
2403 (gimplify_init_ctor_eval_range): Same.
2404 (gimplify_modify_expr_complex_part): Same.
2405 (tree_to_gimple_tuple): Same.
2406 (gimplify_modify_expr): Same.
2407 (gimple_push_cleanup): Same.
2408 (gimplify_omp_for): Same.
2409 (gimplify_omp_atomic_pipeline): Same.
2410 (gimplify_omp_atomic_mutex): Same.
2411 (gimplify_expr): Same.
2412 (gimplify_one_sizepos): Same.
2413 (gimplify_function_tree): Same.
2414 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
2415 (vect_recog_widen_sum_pattern): Same.
2416 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
2417 (vect_create_epilog_for_reduction): Same.
2418 (vectorizable_reduction): Same.
2420 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
2422 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
2423 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
2424 (ifc_temp_var): Same.
2425 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
2426 for gimple statements.
2427 (vect_analyze_operations): Same.
2428 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
2429 * gimplify.c (gimplify_return_expr): Handle gimple statements.
2430 * lambda-code.c (can_put_in_inner_loop): Same.
2431 (can_put_after_inner_loop): Same.
2432 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2433 (vect_create_data_ref_ptr): Same.
2434 (vect_init_vector): Same.
2435 (vect_get_vec_def_for_operand): Same.
2436 (vect_create_epilog_for_reduction): Same.
2437 (vectorizable_reduction): Same.
2438 (vectorizable_assignment): Same.
2439 (vectorizable_operation): Same.
2440 (vectorizable_load): Same.
2441 (vectorizable_condition): Same.
2442 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
2443 (rs6000_gimplify_va_arg): Same.
2445 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
2447 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
2448 GIMPLE_STMT_OPERAND.
2449 (simplify_abs_using_ranges): Same.
2450 * tree-complex.c (expand_complex_operations_1): Use
2451 PROTECTED_TREE_OPERAND.
2452 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
2454 (get_val_for): Use GIMPLE_STMT_OPERAND.
2455 * tree-tailcall.c (adjust_accumulator_values): Same.
2456 (adjust_return_value): Same.
2457 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
2458 case. Remove special case for tcc_gimple_stmt.
2459 * tree.h (CAN_HAVE_LOCATION_P): New.
2460 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
2462 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
2463 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
2464 * tree-nrv.c (execute_return_slot_opt): Same.
2465 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
2466 * tree-vn.c (set_value_handle): Same.
2467 (get_value_handle): Same.
2468 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
2469 * tree-vectorizer.c (find_loop_location): Same.
2470 * c-typeck.c (c_process_expr_stmt): Same.
2471 (c_finish_stmt_expr): Same.
2472 * gimplify.c (should_carry_locus_p): Same.
2473 (tree_to_gimple_tuple): Delete definition and use of unecessary
2474 variable save_tree_block.
2475 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
2476 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
2477 (realify_fake_stores): Same.
2478 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
2480 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
2481 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
2482 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
2483 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
2484 (c_parser_statement_after_labels): Same.
2485 (c_parser_paren_condition): Same.
2486 (c_parser_for_statement): Same.
2487 (c_parser_omp_for_loop): Same.
2488 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
2489 (linearize_expr_tree): Same.
2490 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
2491 * function.c (instantiate_expr): Same.
2493 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
2495 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
2496 (set_expr_location): Same.
2498 (set_expr_locus): Same.
2499 (expr_filename): Same.
2500 (expr_lineno): Same.
2501 (tree_block): Use GIMPLE_STMT_BLOCK.
2502 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
2503 * tree.h (struct gimple_stmt): Remove prev and next.
2504 (GIMPLE_STMT_OPERAND_CHECK): New.
2505 (TREE_TO_GIMPLE_STMT): Delete.
2506 (GIMPLE_STMT_TO_TREE): Delete.
2507 (GIMPLE_STMT_OPERAND): Use union, not cast.
2508 (GIMPLE_STMT_LOCUS): New.
2509 (GIMPLE_STMT_BLOCK): New.
2510 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
2512 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
2514 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
2516 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
2518 * tree-tailcall.c (adjust_return_value): Same.
2519 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
2520 (copy_node_stat): Change common.base to base.
2521 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
2522 Remove GIMPLE_STATEMENT_LIST case.
2523 * tree.h (struct gimple_stmt): Make operands of type tree.
2524 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2525 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2526 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2527 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2528 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
2529 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2530 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2531 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
2532 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
2533 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
2534 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2535 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
2536 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
2537 Change common.base to base.
2538 (GIMPLE_STATEMENT_LIST*): Remove.
2539 (union tree_node): Add base. Remove gimple_statement_list.
2540 Remove pointer from gstmt.
2541 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
2542 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
2543 * tree-vn.c (vn_compute): Change common.base to base.
2544 * tree-eh.c (verify_eh_throw_stmt_node): Same.
2545 * tree-flow-inline.h (var_ann): Same.
2546 (function_ann): Same.
2548 (mark_non_addressable): Same.
2549 * gimplify.c (tree_to_gimple_tuple): Same.
2550 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
2551 * tree-dfa.c (create_var_ann): Change common.base to base.
2552 (create_function_ann): Same.
2553 (create_stmt_ann): Same.
2554 (create_tree_ann): Same.
2555 (collect_dfa_stats_r): Same.
2556 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
2557 * tree-ssa-dce.c (NECESSARY): Same.
2558 * tree-ssa.c (delete_tree_ssa): Same.
2559 * tree-optimize.c (execute_free_cfg_annotations): Same.
2560 * tree-flow.h: Same.
2562 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
2564 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
2565 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
2567 * tree.h (struct gimple_stmt): Add prev and next fields.
2568 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
2569 (GIMPLE_STATEMENT_LIST_HEAD): New.
2570 (GIMPLE_STATEMENT_LIST_TAIL): New.
2571 (struct gimple_statement_list): New.
2572 (union tree_node): Add gimple_stmt_list and gstmt.
2573 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
2574 * tree.def: Add GIMPLE_STATEMENT_LIST.
2576 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
2578 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
2579 * tree-vrp.c (build_assert_expr_for): Change uses of
2580 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2581 (find_assert_locations): Same.
2582 (remove_range_assertions): Same.
2583 (stmt_interesting_for_vrp): Same.
2584 (vrp_visit_assignment): Same.
2585 (vrp_visit_stmt): Same.
2586 (simplify_cond_using_ranges): Same.
2587 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
2589 * tree-ssa-loop-im.c (movement_possibility): Change uses of
2590 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2592 (determine_invariantness_stmt): Same.
2593 (schedule_sm): Same.
2594 (gather_mem_refs_stmt): Same.
2595 * tree-complex.c (init_dont_simulate_again): Same.
2596 (complex_visit_stmt): Same.
2597 (set_component_ssa_name): Same.
2598 (expand_complex_move): Same.
2599 (expand_complex_div_wide): Same.
2600 (expand_complex_comparison): Same.
2601 (expand_complex_operations_1): Same.
2602 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
2603 (chain_of_csts_start): Same.
2604 (infer_loop_bounds_from_undefined): Same.
2605 * tree-pretty-print.c (dump_generic_node): Same.
2607 (op_symbol_1): Same.
2608 * tree-ssa-loop-manip.c (create_iv): Same.
2609 * value-prof.c (tree_divmod_fixed_value): Same.
2610 (tree_divmod_fixed_value_transform): Same.
2611 (tree_mod_pow2): Same.
2612 (tree_mod_pow2_value_transform): Same.
2613 (tree_mod_subtract): Same.
2614 (tree_mod_subtract_transform): Same.
2615 (tree_divmod_values_to_profile): Same.
2616 * tree-tailcall.c (process_assignment): Same.
2617 (find_tail_calls): Same.
2618 (adjust_accumulator_values): Same.
2619 (adjust_return_value): Same.
2620 (eliminate_tail_call): Same.
2621 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
2622 (make_node_stat): Same.
2623 (copy_node_stat): Handle gimple tuples.
2624 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
2625 (tree_node_structure): Handle tcc_gimple_stmt.
2626 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
2628 (build2_gimple_stat): New.
2629 (expr_location): New.
2630 (set_expr_location): New.
2631 (expr_has_location): New.
2633 (set_expr_locus): New.
2634 (expr_filename): New.
2636 (walk_tree): Handle tcc_gimple_stmt.
2638 (protected_tree_operand): New.
2639 (protected_tree_type): New.
2640 (tree_code_kind): Add gimple statements.
2641 * tree.h (tree_code_class): Add tcc_gimple_stmt.
2642 (IS_GIMPLE_STMT_CODE_CLASS): New.
2643 (struct tree_base): New.
2644 (struct tree_common): Shrink.
2645 (struct gimple_stmt): New.
2646 (struct gimple_expr): New.
2647 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2648 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2649 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2650 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2651 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2652 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2653 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2654 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2655 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2656 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2657 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2658 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2659 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2660 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2661 Adjust for new `common' layout.
2662 (struct tree_function_decl): Add gimplified_flag.
2663 (DECL_GIMPLIFIED): NEW.
2664 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2665 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2666 EXPR_HAS_LOCATION): Call corresponding function.
2667 (GIMPLE_STMT_CHECK): New.
2668 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2669 (TREE_BLOCK): Call tree_block.
2670 (GIMPLE_STMT_P): New.
2671 (GIMPLE_TUPLE_P): New.
2672 (TREE_TO_GIMPLE_STMT): New.
2673 (GIMPLE_STMT_TO_TREE): New.
2674 (GIMPLE_STMT_OPERAND): New.
2675 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2676 (PROTECTED_TREE_OPERAND): New.
2677 (PROTECTED_TREE_TYPE): New.
2678 (build2_gimple_stat): Protoize.
2679 (build2_gimple): New.
2680 (expr_location): Protoize.
2681 (set_expr_location): Protoize.
2682 (expr_has_location): Protoize.
2683 (expr_locus): Protoize.
2684 (set_expr_locus): Protoize.
2685 (expr_filename): Protoize.
2686 (expr_lineno): Protoize.
2687 (tree_block): Protoize.
2688 (protected_tree_operand): Protoize.
2689 (protected_tree_type): Protoize.
2690 (enum tree_node_kind): Add gimple_stmt_kind.
2691 * c-decl.c (union lang_tree_node): Tuples do not have a
2693 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2694 GIMPLE_MODIFY_STMT and adjust accordingly.
2695 * tree-scalar-evolution.c (follow_ssa_edge): Same.
2696 (interpret_condition_phi): Same.
2697 (pointer_used_p): Same.
2698 (analyze_scalar_evolution_1): Same.
2699 (scev_const_prop): Same.
2700 (interpret_rhs_modify_stmt): Rename from
2701 interpret_rhs_modify_expr.
2702 * builtins.c (std_expand_builtin_va_start): Change uses of
2703 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2704 (std_gimplify_va_arg_expr): Same.
2705 (expand_builtin_va_copy): Same.
2706 (integer_valued_real_p): Same.
2707 * fold-const.c (maybe_lvalue_p): Same.
2709 (tree_expr_nonnegative_p): Same.
2710 (tree_expr_nonzero_p): Same.
2711 * omp-low.c (extract_omp_for_data): Same.
2712 (lower_rec_input_clauses): Same.
2713 (lower_reduction_clauses): Same.
2714 (lower_copyprivate_clauses): Same.
2715 (lower_send_clauses): Same.
2716 (lower_send_shared_vars): Same.
2717 (expand_parallel_call): Same.
2718 (expand_omp_parallel): Same.
2719 (expand_omp_for_generic): Same.
2720 (expand_omp_for_static_nochunk): Same.
2721 (expand_omp_for_static_chunk): Same.
2722 (expand_omp_sections): Same.
2723 (lower_omp_single_copy): Same.
2724 (lower_omp_parallel): Same.
2725 * tree-ssa-dse.c (memory_address_same): Same.
2726 (dse_optimize_stmt): Same.
2727 * ipa-reference.c (scan_for_static_refs): Same.
2728 * tree-gimple.c (is_gimple_reg_rhs): Same.
2729 (get_call_expr_in): Same.
2730 (recalculate_side_effects): Same.
2731 * cgraphunit.c (cgraph_create_edges): Same.
2732 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2733 * tree-ssa-ccp.c (get_default_value): Same.
2734 (likely_value): Same.
2735 (visit_assignment): Same.
2736 (ccp_visit_stmt): Same.
2737 (get_maxval_strlen): Same.
2738 (ccp_fold_builtin): Same.
2739 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2740 (find_givs_in_stmt): Same.
2741 (find_interesting_uses_op): Same.
2742 (find_interesting_uses_stmt): Same.
2743 (rewrite_use_nonlinear_expr): Same.
2744 * ipa-pure-const.c (scan_function): Same.
2745 * tree-stdarg.c (va_list_counter_bump): Same.
2746 (check_all_va_list_escapes): Same.
2747 (execute_optimize_stdarg): Same.
2748 * tree-ssa-math-opts.c (compute_merit): Same.
2749 (insert_reciprocals): Same.
2750 (execute_cse_reciprocals): Same.
2751 * tree-ssa-dom.c (initialize_hash_element): Same.
2752 (simple_iv_increment_p): Same.
2753 (record_equivalences_from_stmt): Same.
2754 (optimize_stmt): Same.
2755 (remove_stmt_or_phi): Same.
2756 (get_rhs_or_phi_arg): Same.
2757 (get_lhs_or_phi_result): Same.
2758 (propagate_rhs_into_lhs): Same.
2759 * tree-nrv.c (tree_nrv): Same.
2760 (execute_return_slot_opt): Same.
2761 * tree-ssa-propagate.c (get_rhs): Same.
2763 (stmt_makes_single_load): Same.
2764 (stmt_makes_single_store): Same.
2765 (replace_vuses_in): Same.
2766 (fold_predicate_in): Same.
2767 (substitute_and_fold): Same.
2768 * tree-ssa-alias.c (compute_call_clobbered): Same.
2769 (recalculate_used_alone): Same.
2770 (count_uses_and_derefs): Same.
2771 (is_escape_site): Same.
2772 (find_used_portions): Same.
2773 * gimple-low.c (lower_stmt): Same.
2774 (block_may_fallthru): Same.
2775 (lower_return_expr): Same.
2776 * tree-ssa-sink.c (is_hidden_global_store): Same.
2777 (statement_sink_location): Same.
2778 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2779 * expr.c (safe_from_p): Same.
2780 (expand_expr_real): Same.
2781 (expand_expr_real_1): Same.
2782 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2783 * predict.c (expr_expected_value): Same.
2784 (strip_builtin_expect): Same.
2785 (apply_return_prediction): Same.
2786 (tree_bb_level_predictions): Same.
2787 (tree_estimate_probability): Same.
2788 * tree-vn.c (vn_compute): Same.
2789 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2790 (remove_stmt_from_eh_region_fn): Same.
2791 (do_return_redirection): Same.
2792 (honor_protect_cleanup_actions): Same.
2793 (lower_try_finally_switch): Same.
2794 (lower_eh_constructs_1): Same.
2795 (tree_could_throw_p): Same.
2796 (verify_eh_throw_stmt_node): Same.
2797 * function.c (gimplify_parameters): Same.
2798 * tree-vectorizer.c (vect_is_simple_use): Same.
2799 (vect_is_simple_reduction): Same.
2800 * ipa-type-escape.c (scan_for_refs): Same.
2801 * tree-if-conv.c (tree_if_conversion): Same.
2802 (tree_if_convert_stmt): Same.
2803 (if_convertible_gimplify_modify_stmt_p): Rename from
2804 if_convertible_modify_expr_p.
2805 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2806 (ifc_temp_var): Same.
2807 (replace_phi_with_cond_modify_stmt): Rename from
2808 replace_phi_with_cond_modify_expr.
2809 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2810 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2811 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2813 * tree-flow-inline.h (var_ann): Same.
2814 (function_ann): Same.
2816 (mark_non_addressable): Same.
2817 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2818 * gimplify.c (tree_to_gimple_tuple): New.
2819 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2820 (gimplify_return_expr): Same.
2821 (gimplify_decl_expr): Same.
2822 (gimplify_self_mod_expr): Same.
2823 (gimplify_cond_expr): Same.
2824 (gimplify_init_constructor): Same.
2825 (gimplify_modify_expr): Same.
2826 (gimplify_expr): Same.
2827 (gimplify_function_tree): Same.
2828 (force_gimple_operand): Same.
2829 * tree-ssa-phiopt.c (conditional_replacement): Same.
2830 (minmax_replacement): Same.
2831 (abs_replacement): Same.
2832 * tree-dfa.c (create_var_ann): Same.
2833 (create_function_ann): Same.
2834 (create_stmt_ann): Same.
2835 (create_tree_ann): Same.
2836 (collect_dfa_stats_r): Same.
2837 * tree-ssa-pre.c (find_or_generate_expression): Same.
2838 (create_expression_by_pieces): Same.
2839 (try_look_through_load): Same.
2840 (insert_fake_stores): Same.
2841 (realify_fake_stores): Same.
2842 (compute_avail): Same.
2845 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2846 Adjust for GIMPLE_MODIFY_STMT.
2847 (NECESSARY): Adjust for new `common' layout.
2848 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2850 * tree-sra.c (sra_walk_modify_stmt): Rename from
2851 sra_walk_modify_expr.
2852 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2853 (generate_copy_inout): Same.
2854 (generate_element_copy): Same.
2855 (generate_element_zero): Same.
2856 (scalarize_copy): Same.
2857 * tree-mudflap.c (mf_decl_cache_locals): Same.
2858 (mf_build_check_statement_for): Same.
2859 (mf_xform_derefs): Same.
2860 * ipa-prop.c (ipa_method_modify_stmt): Same.
2861 * print-tree.c (print_node): Handle gimple tuples.
2862 Add case for tcc_gimple_stmt.
2863 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2865 (copy_prop_visit_assignment): Same.
2866 (copy_prop_visit_stmt): Same.
2867 (init_copy_prop): Same.
2868 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2869 (forward_propagate_into_cond_1): Same.
2870 (find_equivalent_equality_comparison): Same.
2871 (tidy_after_forward_propagate_addr): Same.
2872 (forward_propagate_addr_expr_1): Same.
2873 (simplify_not_neg_expr): Same.
2874 (simplify_switch_expr): Same.
2875 * tree-ssa-dce.c (find_pdom): Same.
2876 (mark_stmt_if_obviously_necessary): Same.
2877 (NECESSARY): Adjust for new `common' layout.
2878 * tree-flow.h: Same.
2879 * tree-vect-patterns.c (widened_name_p): Adjust for
2881 (vect_recog_dot_prod_pattern): Same.
2882 (vect_recog_widen_sum_pattern): Same.
2883 (vect_pattern_recog_1): Same.
2884 * tree-nested.c (init_tmp_var): Same.
2885 (save_tmp_var): Same.
2887 (convert_call_expr): Same.
2888 (finalize_nesting_tree_1): Same.
2889 * tree-ssa.c (verify_ssa): Same.
2890 (delete_tree_ssa): Same.
2891 * lambda-code.c (lbv_to_gcc_expression): Same.
2892 (lle_to_gcc_expression): Same.
2893 (lambda_loopnest_to_gcc_loopnest): Same.
2894 (can_put_in_inner_loop): Same.
2895 (can_convert_to_perfect_nest): Same.
2896 (perfect_nestify): Same.
2897 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2898 * tree-inline.c (copy_body_r): Same.
2899 (setup_one_parameter): Same.
2900 (initialize_inlined_parameters): Same.
2901 (estimate_num_insns_1): Same.
2902 (expand_call_inline): Same.
2903 (gimple_expand_calls_inline): Same.
2904 (copy_tree_r): Same.
2905 * tree-optimize.c (execute_free_cfg_annotations): Same.
2906 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2907 (vect_align_data_ref): Same.
2908 (vect_create_data_ref_ptr): Same.
2909 (vect_init_vector): Same.
2910 (vect_create_epilog_for_reduction): Same.
2911 (vectorizable_reduction): Same.
2912 (vectorizable_assignment): Same.
2913 (vectorizable_operation): Same.
2914 (vectorizable_store): Same.
2915 (vectorizable_load): Same.
2916 (vectorizable_live_operation): Same.
2917 (vectorizable_condition): Same.
2918 (vect_generate_tmps_on_preheader): Same.
2919 (vect_create_cond_for_align_checks): Same.
2920 * tree-object-size.c (collect_object_sizes_for): Same.
2921 (check_for_plus_in_loops_1): Same.
2922 (check_for_plus_in_loops): Same.
2923 * tree-outof-ssa.c (insert_copy_on_edge): Same.
2924 (replace_use_variable): Same.
2925 (check_replaceable): Same.
2926 (rewrite_trees): Same.
2927 (identical_copies_p): Same.
2928 (insert_backedge_copies): Same.
2929 * tree-profile.c (tree_gen_edge_profiler): Same.
2930 * tree-vect-generic.c (expand_vector_operations_1): Same.
2931 * tree-ssa-structalias.c (update_alias_info): Same.
2932 (find_func_aliases): Same.
2933 * tree-cfg.c (factor_computed_gotos): Same.
2935 (make_goto_expr_edges): Same.
2936 (tree_merge_blocks): Same.
2937 (remove_useless_stmts_cond): Same.
2938 (remove_useless_stmts_1): Same.
2939 (tree_find_edge_insert_loc): Same.
2940 (verify_expr): Same.
2941 (gimplify_val): Same.
2942 (verify_gimple_tuples_1): New.
2943 (verify_gimple_tuples): New.
2944 (verify_stmts): Call verify_gimple_tuples.
2945 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2946 (get_unary_op): Same.
2947 (linearize_expr): Same.
2948 (get_single_immediate_use): Same.
2949 (negate_value): Same.
2950 (should_break_up_subtract): Same.
2951 (break_up_subtract): Same.
2952 (repropagate_negates): Same.
2953 (break_up_subtract_bb): Same.
2954 (reassociate_bb): Same.
2955 * config/i386/i386.c (ix86_va_start): Same.
2956 (ix86_gimplify_va_arg): Same.
2957 * stmt.c (expand_expr_stmt): Same.
2958 (warn_if_unused_value): Same.
2959 (expand_return): Same.
2960 * tree-ssanames.c (make_ssa_name): Same.
2961 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2962 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2963 (add_virtual_operand): Same.
2964 (get_expr_operands): Same.
2965 (parse_ssa_operands): Same.
2966 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2968 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2970 * config.host: Remove extra blank line.
2972 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2974 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2975 target is also an x86 variant.
2977 2006-12-05 Richard Guenther <rguenther@suse.de>
2979 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2980 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2981 (ix86_builtin_vectorized_function): New function to vectorize
2984 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2986 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2987 ia64_override_options.
2989 2006-12-04 Jan Hubicka <jh@suse.cz>
2991 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2994 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2996 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2997 * config/bfin/bfin.c: Include "timevar.h".
2998 (bfin_flag_schedule_insns2, splitting_for_sched,
2999 bfin_flag_var_tracking): New variables.
3000 (print_operand): Handle '%!'.
3001 (override_options): Disable normal sched2 pass, instead set
3002 bfin_flag_schedule_insns2 for reorg to handle it.
3003 (output_file_start): Likewise for var-tracking.
3004 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
3005 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
3007 (bfin_reorg): Do second scheduling pass here, and call
3008 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
3009 of examining insns directly. If bfin_flag_var_tracking, call
3010 var-tracking pass when done with everything else.
3011 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
3012 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
3013 (movsi_insn32): New pattern, with two new splits to create it
3014 before the final scheduling pass.
3015 (neghi2): Not a dsp32 insn, rather alu0.
3016 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
3017 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
3018 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
3019 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
3020 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
3021 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
3022 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
3023 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
3024 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
3025 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
3026 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
3027 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
3028 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
3029 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
3030 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
3031 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
3032 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
3033 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
3034 variants instead of ';'.
3035 (ror_one, rol_one): Likewise. Make them dsp32 insns.
3036 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
3037 (align8, align16, align24): Now named patterns; also using '%!'.
3040 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
3042 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
3043 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
3045 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3047 * config/spu/spu-protos.c (spu_split_address): Add.
3048 * config/spu/spu.c (spu_split_address): Add.
3049 (print_operand): Handle HIGH.
3050 (spu_legitimate_address): Don't test for aligned CONST.
3051 (spu_expand_mov): Don't split addresses here.
3052 * config/spu/constraints.md (A): Don't test legitimate_const.
3053 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
3054 (ceq_di): Use correct predicates.
3056 2006-12-04 Eric Christopher <echristo@apple.com>
3058 * config/darwin.h: Update copyright notice.
3059 * config/i386/darwin.h: Ditto.
3061 2006-12-04 Jan Hubicka <jh@suse.cz>
3063 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
3064 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
3066 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
3068 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
3070 * tree-ssa-structalias.c (set_used_smts): Export.
3071 (find_what_p_points_to): Don't call set_used_smts here.
3072 * tree-ssa-structalias.h (set_used_smts): Add prototype.
3074 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
3076 * tree-ssa-alias.c (compute_may_aliases):
3077 Compute flow sensitive before flow insensitive.
3078 (compute_flow_sensitive_aliasing): Don't try to add
3079 a symbol memory tag to itself.
3081 * alias.h (alias_set_subset_of): New prototype.
3083 * alias.c (alias_set_subset_of): New function.
3085 * tree-ssa-structalias.c: Update comments.
3086 (struct variable_info): Add finished_solution.
3087 (new_varinfo): Set finished solution to NULL.
3088 (var_escaped_vars): Remove.
3089 (escaped_vars_tree): Remove.
3090 (escaped_vars_id): Remove.
3091 (nonlocal_vars_id): Remove.
3092 (constraint_expr_type): Add INCLUDES.
3093 (graph_size): Removed.
3094 (dump_constraint): Support INCLUDES.
3095 (build_constraint_graph): Ditto.
3096 (collapse_nodes): Add merge_solutions argument.
3097 Don't merge attributes.
3098 (process_unification_queue): Just use collapse_nodes.
3099 (perform_var_substitution): Update call to collapse_nodes.
3100 (get_constraint_exp_from_ssa_var): Use INCLUDES.
3101 (process_constraint): Fix non-field sensitive handling
3103 (get_constraint_for): Use INCLUDES.
3104 (make_constraint_from_anything): Renamed from
3105 make_constraint_from_escaped.
3106 (make_constraint_to_escaped): Removed.
3107 (find_global_initializers): Removed.
3108 (create_variable_info_for): Do not make constraints to escaped
3110 (dump_solution_for_var): Don't print out the equivalent points-to
3111 sets, just use the name of the variable it shares it with.
3112 (intra_create_variable_infos): Use INCLUDES.
3113 Change nonlocal variable sets to anything sets.
3114 (init_base_vars): Remove escaped_vars and nonlocal_var
3116 (find_escape_constraints): Removed.
3117 (delete_points_to_sets): Remove dead code.
3118 (used_smt_calculated): New variable.
3119 (set_used_smts): New function.
3120 (merge_smts_into): New function.
3121 (find_what_p_points_to): Modify to use SMTs.
3122 (create_nonlocal_var): Remove.
3124 * tree-ssa-operands.c (access_can_touch_variable): Remove
3125 reference to nonlocal_all.
3127 * tree-ssa.c (verify_name_tags): Remove.
3129 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
3131 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
3132 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
3134 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
3136 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
3137 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
3138 (add_livein_if_notdef): Delete.
3139 (loe_visit_block): New. Propogate live on entry info for a block into
3140 each predecessor. If it changes, make sure it is visited again.
3141 (live_worklist): Visit every block and update the live on entry info
3142 for preds. Iterate over any that changed.
3143 (set_var_live_on_entry): Populate the live on entry blocks with bits
3144 based on the immediate uses of a var.
3145 (calculate_live_on_entry): Remove.
3146 (calculate_live_on_exit): Calculate live on exit based on the newly
3147 oriented live on entry bits.
3148 (calculate_live_ranges): Build live on entry and exit vectors.
3149 (dump_live_info): Use new orientation of live on entry bitmaps.
3150 (verify_live_on_entry): New. Split out verification code from old
3151 calculate_live_on_entry routine.
3152 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
3153 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
3154 basic_block instead of for a partition.
3155 (live_merge_and_clear): Add asserts.
3156 (make_live_on_entry): Set partition bit in basic block vector.
3158 2006-12-04 Jakub Jelinek <jakub@redhat.com>
3161 * omp-low.c (expand_omp_for_static_nochunk,
3162 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
3166 * omp-low.c (determine_parallel_type): Don't try to optimize combined
3167 parallels if region->exit or region->inner->exit is NULL.
3168 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
3170 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
3171 (expand_omp_for): Use expand_omp_for_generic if either region->cond
3172 or region->exit is NULL.
3173 (expand_omp_sections): Handle NULL region->cond or region->exit.
3176 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3178 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
3179 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
3181 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
3183 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
3184 TYPE_MAX_VALUE for scalar types here but...
3185 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
3186 is attached an error mark, and the return value of the callback
3187 if it is not NULL_TREE.
3189 2006-12-04 Ben Elliston <bje@au.ibm.com>
3191 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
3193 2006-12-03 Eric Christopher <echristo@apple.com>
3196 * config/t-slibgcc-darwin: Pass -install_name.
3197 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
3198 libtool. Only pass through options that the linker recognizes.
3199 (LINK_SPEC): Update comment. Translate options.
3200 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
3201 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
3203 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
3205 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
3207 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
3210 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
3211 operands[1] in insn constraint. Correct type attribute to sselog1.
3213 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
3216 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
3218 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
3219 processor detection.
3221 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
3222 -march=native if there is no -mtune=*.
3224 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
3227 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3229 * doc/install.texi: Update recommended MPFR version. Remove
3230 obsolete reference to cumulative patch.
3232 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
3235 * c-decl.c (store_parm_decls_oldstyle): Robustify.
3237 2006-11-30 Jan Hubicka <jh@suse.cz>
3238 Uros Bizjak <ubizjak@gmail.com>
3240 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
3241 32bit memcpy/memset decriptors.
3242 (decide_alg): With -minline-all-stringops and sizes that are best
3243 to be copied via libcall still work hard enough to pick non-libcall
3246 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
3248 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
3250 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
3251 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
3252 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
3253 config/sh/sh4-300.md, config/spu/spu-builtins.def,
3254 config/spu/spu-c.c, config/spu/spu-modes.def,
3255 config/spu/spu.c, config/spu/spu.md,
3256 config/spu/spu_internals.h, config/spu/vmx2spu.h,
3257 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
3258 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
3259 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
3260 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
3261 spelling conventions.
3263 * config/i386/i386.c: Fix a comment typo.
3265 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3267 * config/spu/spu.c (spu_immediate): Remove trailing comma.
3268 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
3269 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
3270 better optimization.
3271 (floatv4siv4sf2): New.
3272 (fix_truncv4sfv4si2): New.
3273 (floatunsv4siv4sf2): New.
3274 (fixuns_truncv4sfv4si2): New.
3282 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
3283 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
3284 spu_resolve_overloaded_builtin instead of static inline functions.
3286 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
3288 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
3289 type instead of the size of its mode to compute the highest and
3290 lowest possible values. Still check the size of the mode before
3291 flipping the signedness of the comparison.
3293 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3295 * config/spu/predicates.md (spu_mov_operand): Add.
3296 * config/spu/spu.c (spu_expand_extv): Remove unused code.
3297 (print_operand_address, print_operand): Handle addresses containing AND.
3298 (spu_split_load, spu_split_store): Use updated movti pattern.
3299 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
3300 stores in mov patterns for correct operation of reload.
3301 (lq, lq_<mode>, stq, stq_<mode>): Remove.
3303 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3306 * c-common.c (check_main_parameter_types): Check for error_mark_node.
3308 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
3310 * common.opt (ftree-combine-temps): Remove.
3311 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
3312 (coalesce_ssa_name): Don't check for combine-temps.
3313 (coalesce_vars): Remove.
3314 (check_replaceable): Use num_imm_uses.
3315 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
3316 check for combine-temps.
3317 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
3318 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
3319 to register_ssa_partition calls.
3320 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
3321 (init_var_map, delete_var_map): remove refernces to ref_count.
3322 (create_ssa_var_map): Never calculate a ref count.
3323 (type_var_init): Remove.
3324 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
3325 (SSA_VAR_MAP_REF_COUNT): Delete.
3326 (create_ssa_var_map): Change Prototype to have no parameters.
3327 (version_ref_count): Delete.
3328 (register_ssa_partition): Remove 'is_use' paramater and don't set the
3330 (type_var_num, type_var, type_var_first_partition,
3331 type_var_next_partition, type_var_dump, type_var_delete,
3332 type_var_remove_partition, type_var_find, type_var_compact,
3333 type_var_decompact): Remove.
3335 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
3337 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
3340 2006-12-01 Richard Guenther <rguenther@suse.de>
3343 * dwarf2out.c (struct pubname_struct): Make name const.
3344 (add_pubtype): Do not xstrdup identifiers.
3346 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
3348 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
3349 multiword accesses are in range.
3351 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
3353 PR tree-optimization/29921
3354 * tree-ssa-ccp.c (canonicalize_float_value): New function.
3355 (set_lattice_value): Use canonicalize_float_value.
3357 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
3359 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
3360 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
3361 (spu_cpu_cpp_builtins): Remove.
3362 (spu_override_options): Don't set warn_main.
3363 (spu_force_reg): Move from spu-c.c.
3364 (spu_check_builtin_parm): Likewise.
3365 (expand_builtin_args): Likewise.
3366 (spu_expand_builtin_1): Likewise.
3367 (spu_expand_builtin): Likewise.
3368 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
3369 warn_main and targetm.resolve_overloaded_builtin.
3370 * config/spu/spu-c.c (spu_builtin_range): Remove.
3371 (spu_check_builtin_parm): Remove.
3372 (expand_builtin_args): Remove.
3373 (spu_expand_builtin_1): Remove.
3374 (spu_expand_builtin): Remove.
3375 (spu_cpu_cpp_builtins): Moved from spu.c
3376 (spu_force_reg): Remove.
3378 2006-12-01 Joseph Myers <joseph@codesourcery.com>
3379 David Edelsohn <edelsohn@gnu.org>
3382 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
3383 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
3384 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
3385 HARD_REGNO_NREGS_WITH_PADDING): Define.
3386 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
3387 HARD_REGNO_NREGS_WITH_PADDING): Define.
3388 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
3389 Use new macros to detect modes with holes; do not look at integer
3391 (subreg_offset_representable_p): Check for and disallow cases
3392 where the modes use different numbers of bits from registers.
3393 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
3394 constant for soft-float.
3395 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
3397 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
3398 in E500 double case.
3399 * config/rs6000/rs6000.md (movtf): Allow soft-float.
3400 (movtf_softfloat): New.
3402 2006-11-30 Richard Sandiford <richard@codesourcery.com>
3404 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
3405 simplify_gen_subreg.
3407 2006-11-30 Andrew Macleod <amacleod@redhat.com>
3409 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
3410 (COALESCE_HASH_FN): New. Define hash function.
3411 (partition_pair_map_hash): New. Hash value for a partition pair.
3412 (partition_pair_map_eq): New. Equality for hash pairs.
3413 (create_coalesce_list): Create hash table.
3414 (delete_coalesce_list): Free hash table.
3415 (find_partition_pair): Find/create pairs in hash table.
3416 (compare_pairs): Sort pairs in ascending order now.
3417 (num_coalesce_pairs): New. Number of pairs in hash table.
3418 (struct partition_pair_iterator): Iterator struct for pair table.
3419 (first_partition_pair): Iterator function for first pair.
3420 (end_partition_pair_p): Iterator function for end of iteration.
3421 (next_partition_pair): Iterator function for next pair.
3422 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
3423 (sort_coalesce_list): Sort pairs from hash table into an array.
3424 (pop_best_coalesce): Take pairs from the array.
3425 (dump_coalesce_list): Update to use hash table or sorted array.
3426 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
3427 (struct coalesce_list_d): Add hash table related fields.
3429 2006-11-30 Jan Hubicka <jh@suse.cz>
3432 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
3433 memmove/bcopy->memcpy conversion.
3435 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
3437 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
3438 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
3439 Default is the largest alignment supported for 32-bit ELF and
3440 representable on a 32-bit host.
3442 2006-11-30 Janis Johnson <janis187@us.ibm.com>
3444 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
3446 2006-11-30 Jan Hubicka <jh@suse.cz>
3448 * tree-ssa-operands.h (struct ssa_operands): New.
3449 * tree-flow-inline.h (gimple_ssa_operands): New function.
3450 * tree-flow.h: (struct gimple_df): Add ssa_operands.
3451 * Makefile.in: Remove gt-tree-ssa-operands.h
3452 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
3453 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
3454 operand_memory, operand_memory_index, ops_active): Remove statics.
3455 (ALLOC_OPTYPE): Update.
3456 (operand_build_sort_virtual): Update.
3457 (ssa_operands_active): Update.
3458 (init_ssa_operands): Update.
3459 (fini_ssa_operands): Update.
3460 (ssa_operand_alloc): Update.
3461 (INITIALIZE_USE): Update.
3462 (finalize_ssa_use_ops): Update.
3463 (finalize_ssa_v_may_def_ops): Update.
3464 (finalize_ssa_vuse_ops): Update.
3465 (finalize_ssa_v_must_def_ops): Update.
3467 2006-11-30 Richard Guenther <rguenther@suse.de>
3469 * tree-vectorizer.h (vectorizable_function): Export.
3470 * tree-vect-transform.c (vectorizable_function): Likewise.
3471 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
3472 type_in to scalar type in recognition of squaring.
3473 Make sure the target can vectorize sqrt in recognition
3474 of sqrt, set type_in to vector type in this case.
3476 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3478 * config/i386/i386.md (R10_REG): New constant.
3479 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
3480 (ix86_emit_restore_regs_using_mov): Ditto.
3481 (ix86_expand_call): Ditto.
3482 (x86_output_mi_thunk): Ditto. Also use R10_REG.
3484 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3486 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
3487 * alias.c (canon_true_dependence): Update comment.
3489 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3491 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
3492 at the end of a diagnostics message.
3494 * alloc-pool.c (pool_free): Postpone clearing the pool entry
3495 until after asserting that it was allocated in the right pool.
3497 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
3498 successor edge information as well. Make output of live regs
3499 on exit consistent with live regs on entry.
3501 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3504 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
3505 insn patterns for TARGET_80387.
3506 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
3507 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
3508 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
3509 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
3510 Generate truncxf<mode>2 insn patterns for strict SSE math.
3512 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3514 * config/i386/i386.md (movsf_1): Enable pattern for standard
3515 80387 constants before reload when optimizing for size.
3516 (*movdf_nointeger, *movdf_integer): Ditto.
3517 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
3518 80387 constants before reload when not optimizing for size.
3520 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
3521 extension of XFmode input operands.
3523 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3525 * config/spu/crt0.c (__dso_handle): Define.
3527 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
3529 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
3530 when clearing the used flags.
3532 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3534 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
3536 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3539 * config/spu/spu.md (extend_compare<mode>): New pattern.
3540 (extend_compare): Change to expand and use the above pattern.
3542 2006-11-29 Janis Johnson <janis187@us.ibm.com>
3544 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
3546 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
3547 (DFP_INIT_ROUNDMODE): Define.
3548 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
3549 * mklibgcc.in: Fix dependencies for dfp-bit.c.
3551 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
3553 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
3554 Update documentation.
3555 (associate_line_notes_with_blocks): Kill.
3556 (extend_bb): Remove basic block argument, put void instead.
3557 Remove line number handling for each bb.
3558 (save_line_notes): Kill.
3559 (restore_line_notes): Kill.
3560 (sched_init): Remove line_note_head initialization.
3561 Change extend_bb call.
3562 (sched_finish): Remove free of line_note_head.
3563 (add_block): Change extend_bb call.
3564 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
3565 rm_line_notes and restore_line_notes calls.
3566 (schedule_ebbs): Remove rm_redundant_line_notes.
3567 * sched-int.h (struct haifa_insn_data): Remove line_note.
3568 (save_line_notes): Remove declaration.
3569 (restore_line_notes): Remove declaration.
3570 * modulo-sched.c (loop_canon_p): Update debug info printing
3571 by using insn locators instead of line note.
3572 (sms_schedule): Update debug info printing, by using insn
3573 locators instead of line note.
3574 * sched-rgn.c (debug_dependencies): Remove handling of case
3575 n>0 (line number), since it's a dead code.
3576 (schedule_region): Remove save_line_notes and
3577 restore_line_notes calls.
3579 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3581 * config/rs6000/predicates.md (gpc_reg_operand): Check
3582 invalid_e500_subreg.
3583 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
3584 SImode subregs of SPE vectors.
3585 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
3586 * jump.c (true_regnum): Require subregs to satisfy
3587 subreg_offset_representable_p.
3589 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
3590 Steven Bosscher <stevenb.gcc@gmail.com>
3592 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3593 since it no longer exists.
3595 2006-11-29 Duncan Sands <baldrick@free.fr>
3597 PR tree-optimization/23744
3598 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
3600 2006-11-29 Duncan Sands <baldrick@free.fr>
3602 PR tree-optimization/23744
3603 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3605 2006-11-29 Duncan Sands <baldrick@free.fr>
3607 PR tree-optimization/23744
3608 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3610 2006-11-29 Jie Zhang <jie.zhang@analog.com>
3612 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3614 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
3616 * sh.opt (minline-ic_invalidate): New option.
3617 (musermode): Adjust comment.
3618 * sh.c (sh_initialize_trampoline): Emit library call unless
3619 is set; if it is set, don't emit library call if we can use icbi
3621 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3622 icbi for TARGET_SH4_300.
3623 * t-sh (LIB1ASMFUNCS_CACHE): Set.
3624 * doc/invoke.texi: Document -minline-ic_invalidate; Update
3625 -musermode documentation.
3627 2006-11-29 Jim Tison <jtison@us.ibm.com>
3629 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3630 __gthread_recursive_mutex_init): Define.
3632 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3634 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3635 STRICT_ALIGNMENT and the type is more aligned than the saved
3636 registers, copy via a temporary.
3638 2006-11-28 Andrew Pinski <pinskia@gmail.com>
3641 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3644 2006-11-28 Bob Wilson <bob.wilson@acm.org>
3646 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3648 2006-11-28 Jan Hubicka <jh@suse.cz>
3650 Privatize SSA variables into gimple_df.
3651 * tree-flow-inline.h
3652 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3653 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3654 gimple_nonlocal_all): New accessors.
3655 (first_referenced_var): Update.
3656 (mark_stmt_modified): Update.
3657 (is_call_clobbered): Update.
3658 (mark_call_clobbered): Update.
3659 (clear_call_clobbered): Update.
3660 (mark_non_addressable): Update.
3661 * tree-vrp.c (get_value_range): Update.
3662 * tree-into-ssa.c (in_ssa_p): Kill.
3663 (get_default_def_for): Update.
3664 (rewrite_into_ssa): Update.
3665 * tree-complex.c (init_parameter_lattice_values): Update.
3666 (update_complex_assignment): Update.
3667 (update_parameter_components): Update.
3668 (expand_complex_libcall): Update.
3669 (expand_complex_operations_1): Update.
3670 * tree-tailcall.c (arg_needs_copy_p): Update.
3671 (add_virtual_phis): Update.
3672 (tree_optimize_tail_calls_1): Update.
3673 * tree-ssa-dse.c (memory_ssa_name_same): Update.
3674 * tree-ssa-copyrename.c
3675 (copy_rename_partition_coalesce): Update.
3676 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3677 * tree-ssa-propagate.c (set_rhs): Update.
3678 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3679 addressable_vars, global_var):Kill.
3680 (set_initial_properties): Update.
3681 (init_alias_info): Update.
3682 (finalize_ref_all_pointers): Update.
3683 (setup_pointers_and_addressables): Update.
3684 (maybe_create_global_var): Update.
3685 (create_global_var): Update.
3686 (dump_points_to_info): Update.
3687 * function.h (struct gimple_df): Forward declare.
3688 (struct function): Add GIMPLE_DF field.
3689 * gimplify.c (force_gimple_operand): Update.
3690 * tree-dfa.c (referenced_vars, default_defs): KIll.
3691 (make_rename_temp): Update.
3692 (dump_variable): Update.
3693 (referenced_var_lookup): Update.
3694 (referenced_var_check_and_insert): Update.
3695 (default_def): Rename to ...
3696 (gimple_default_def): ... this one; accept cfun argument.
3697 (set_default_def): Update.
3698 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3699 (cleanup_control_flow): Update.
3700 * tree-ssa-pre.c (compute_avail): Update
3701 * tree-ssa-live.c (calculate_live_on_entry): Update.
3702 * tree-ssa.c (verify_use): Update.
3703 (verify_call_clobbering): Update.
3704 (verify_call_clobbering): Update.
3705 (init_tree_ssa): Update.
3706 (delete_tree_ssa): Update.
3707 * tree-outof-ssa.c (coalesce_ssa_name): Update.
3708 (rewrite_out_of_ssa): Update.
3709 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3710 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3712 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3713 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3714 addressable_vars, aliases_computed_p): Kill.
3715 (default_def): Rename to...
3716 (gimple_default_def): ... this one.
3717 (defaule_def_fn): Kill.
3718 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3719 * tree-ssa-structalias.c (nonlocal_all): Kill.
3720 (get_constraint_exp_from_ssa_var): Update.
3721 (create_nonlocal_var): Update.
3722 (get_constraint_for): Update.
3723 (update_alias_info): Update.
3724 (find_global_initializers): Update.
3725 (intra_create_variable_infos): Update.
3726 (intra_create_variable_infos):
3727 (find_what_p_points_to): Update.
3728 (init_alias_heapvars): Update.
3729 * tree-cfg.c (remove_bb): Update.
3730 (gimplify_val): Update.
3731 * tree-ssa-reassoc.c (get_rank): Update.
3732 (init_reassoc): Update.
3733 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3734 (ssa_names, free_ssanames): Kill.
3735 (init_ssanames): Update.
3736 (make_ssa_name): Update.
3737 (release_ssa_name): Update.
3738 (release_defs): Update.
3739 (replace_ssa_name_symbol): Update.
3740 * tree-ssa-operands.c (access_can_touch_variable): Update.
3741 (add_virtual_operand): Update.
3742 (add_call_clobber_ops): Update.
3743 (add_call_read_ops): Update.
3744 (get_call_expr_operands): Update.
3745 (get_asm_expr_operands): Update.
3747 2006-11-28 Jan Hubicka <jh@suse.cz>
3749 * builtins.c: Include tree-flow.h.
3750 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3751 assignment; convert memmove to memcpy for sizes greater than 1 where
3752 alignment of operands prohibit the partial overlap.
3754 2006-11-28 Jan Hubicka <jh@suse.cz>
3756 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3757 * cgraph.c (dump_cgraph_node): Dump stack usage.
3758 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3759 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3760 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3761 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3762 (cgraph_check_inline_limits): Limit stack growth.
3763 * cfgexpand.c: Include tree-inline.h.
3764 (account_stack_vars): New function.
3765 (expand_one_var): New param to just account the stack; return estimated
3767 (expand_used_vars_for_block): Update call of expand_one_var.
3768 (account_used_vars_for_block): New function.
3769 (estimated_stack_frame_size): Likewise.
3770 (init_vars_expansion, fini_vars_expansion): Break out from..
3771 (expand_used_vars): ... here.
3772 * tree-inline.h (estimated_stack_frame_size): Declare.
3773 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3775 2006-11-28 Richard Guenther <rguenther@suse.de>
3777 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3778 unsigned long for printing OBJECT_SIZE.
3780 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3782 * alias.c (init_alias_analysis): Remove simplification loop
3783 after propagating pointers.
3785 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3787 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3790 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3792 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3794 2006-11-27 Roger Sayle <roger@eyesopen.com>
3795 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3797 * c-common.c (constant_fits_type_p): Delete.
3798 (unsigned_conversion_warning): Delete.
3799 (conversion_warning): Integrate Wconversion warning from
3800 unsigned_conversion_warning.
3801 (convert_and_check): Integrate Woverflow warning from
3802 unsigned_conversion_warning. Reorganize and simplify to avoid
3803 dependence upon the middle-end setting TREE_OVERFLOW on integral
3804 conversions, by using int_fits_type_p directly.
3806 2006-11-27 Tobias Burnus <burnus@net-b.de>
3808 * doc/invoke.texi: Fixed typo.
3810 2006-11-27 Michael Matz <matz@suse.de>
3811 Andreas Krebbel <krebbel1@de.ibm.com>
3814 * config/s390/predicates.md (larl_operand): Check addend of larl
3815 operand to be in range of -/+2GB.
3816 * config/s390/s390.c (legitimize_pic_address): Likewise.
3817 Changed type of variable even to HOST_WIDE_INT.
3819 2006-11-27 Jan Hubicka <jh@suse.cz>
3821 * expr.c (emit_block_move_via_libcall): Export.
3822 (clear_storage_via_libcall): Rename to ...
3823 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3824 (clear_storage): Update to set_storage_via_libcall.
3825 * expr.h (emit_block_move_via_libcall): Declare
3826 * config/i386/i386.h (stringop_alg): New enum.
3827 (MAX_STRINGOP_ALGS): New constant.
3828 (stringop_algs): New struct.
3829 (processor_costs): Add memcpy/memset descriptors.
3830 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3831 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3832 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3834 * config/i386/i386.opt (minline-stringops-dynamically,
3835 mstringop-strategy): New
3837 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3838 (ix86_expand-clrmem): Rename to ...
3839 (ix86_expand_setmem): ... this one; update prototype.
3840 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3841 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3842 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3843 nocona_cost, core2_cost, generic_cost, generic64_cost,
3844 generic32_cost): Add memcpy/memset descriptors.
3845 (x86_rep_movl_optimal): Remove.
3846 (stringop_alg): New static variable.
3847 (ix86_expand_aligntest): Handle predictions.
3848 (override_options): Add strgop_alg handling.
3849 (predict_jump): New function.
3850 (scale_counter): New function.
3851 (expand_set_or_movmem_via_loop): New function.
3852 (expand_movmem_via_rep_mov): New function.
3853 (expand_setmem_via_rep_stots): New function.
3854 (emit_strmov): New function.
3855 (expand_movmem_epilogue): New function.
3856 (expand_setmem_epilogue_via_loop): New function.
3857 (expand_setmem_epilogue): New function.
3858 (expand_movmem_prologue): New function.
3859 (expand_setmem_prologue): New function.
3860 (decide_alg): New function.
3861 (decide_alignment): New function.
3862 (ix86_exand_movmem): Rewrite.
3863 (promote_duplicated_reg): New function.
3864 (ix86_expand_clrmem): Rename to ...
3865 (ix86_expand_setmem): ... this one. Rewrite.
3867 * invoke.texi (minline-stringops-dynamically): New command line option.
3868 (mstringop-strategy): Likewise.
3870 2006-11-27 Jan Hubicka <jh@suse.cz>
3872 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3873 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3874 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3875 * insn-notes.def (FUNCTION_END): Remove.
3876 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3877 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3879 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3880 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3881 * cfglayout.c (duplicate_insn_chain): Don't worry about
3884 2006-11-27 Richard Guenther <rguenther@suse.de>
3885 Zdenek Dvorak <dvorakz@suse.cz>
3887 * target.h (struct gcc_target): Add builtin_vectorized_function
3889 * target-def.h (TARGET_VECTORIZE): Likewise.
3890 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3891 Document new target hook.
3892 * targhooks.h (default_builtin_vectorized_function): Declare.
3893 * targhooks.c (default_builtin_vectorized_function): Define.
3894 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3895 (vectorizable_call): Declare.
3896 * tree-vect-analyze.c (vect_analyze_operations): Call
3898 * tree-vect-transform.c (vectorizable_function): New static function.
3899 (build_vectorized_function_call): Likewise.
3900 (vectorizable_call): New function.
3901 (vect_transform_stmt): Handle vectorizable calls.
3903 2006-11-27 Richard Guenther <rguenther@suse.de>
3906 * builtins.c (expand_builtin_pow): Optimize non integer valued
3907 constant exponents using sqrt or cbrt if possible. Always fall back
3908 to expanding via optabs.
3910 2006-11-27 Ira Rosen <irar@il.ibm.com>
3912 PR tree-optimization/22372
3913 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3914 the type of the base address.
3915 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3916 it in the data-ref pointer creation.
3917 (vect_init_vector): Add an argument, type of the init vector. Use it in
3919 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3920 (get_initial_def_for_reduction): Likewise.
3921 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3923 (vectorizable_assignment, vect_permute_store_chain): Likewise.
3924 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3925 correct type in stmt creation.
3926 (vect_setup_realignment): Use the correct type in stmt creation.
3927 (vect_permute_load_chain): Change type of MODIFY_EXPR to
3929 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3930 of MODIFY_EXPR to void_type_node.
3931 (vectorizable_condition): Change type of MODIFY_EXPR to
3933 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3936 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3939 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3940 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3941 standard 80387 constants, raise the cost to prevent
3942 compress_float_constant() to generate load from memory.
3944 * config/i386/i386.md: Add new splitter pattern to split
3945 float_extended load of constant from constant pool into
3948 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3950 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3951 section to general section. Remove documentation for
3952 --with-mpfr-dir and --with-gmp-dir, add documentation for
3953 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3956 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3958 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3960 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3962 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3964 PR tree-optimization/29122
3965 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3966 for the new version. Assign NULL to DECL_RTL of the new version.
3968 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3970 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3972 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3974 * cse.c (cse_altered): Remove.
3975 (record_jump_equiv): Make true/false argument a bool instead
3977 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3978 where appropriate. Emit a new jump before the existing one
3979 instead of after so that delete_insn_and_edges removes the
3980 dead edges properly. Check any_condjump_p before calling
3982 (cse_basic_block): Check any_condjump_p before calling
3984 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3986 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3988 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3989 -ffixed-line-length-* options.
3991 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3993 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3994 (fprem1xf4): Rename to fprem1xf4_i387.
3996 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3997 Rename patterns to fmod<mode>3. Use general_operand operand
3998 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3999 patterns for SSE math.
4000 (remaindersf3, remainderdf3): Ditto.
4002 2006-11-25 Joseph Myers <joseph@codesourcery.com>
4004 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
4005 inside start_sequence / end_sequence pair.
4007 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
4009 * jump.c (mark_all_labels): Work in cfglayout mode.
4010 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
4011 when in cfglayout mode, because there are no dead jumptables
4013 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
4015 (commit_edge_insertions): Do not allow insertion of instructions
4016 with control flow insns when in cfglayout mode.
4018 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
4020 * tree-vrp.c (execute_vrp): Do not pass loops structure through
4022 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
4023 unswitch_loop): Ditto.
4024 * tree-loop-linear.c (linear_transform_loops): Ditto.
4025 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
4026 tree_ssa_lim): Ditto.
4027 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
4028 free_numbers_of_iterations_estimates): Ditto.
4029 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
4030 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
4031 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
4032 remove_path, add_loop, loopify, unloop, fix_loop_placements,
4033 place_new_loop, duplicate_loop, duplicate_subloops,
4034 update_single_exit_for_duplicated_loops, copy_loops_to,
4035 duplicate_loop_to_header_edge, create_preheaders,
4036 force_single_succ_latches, loop_version, fix_loop_structure):
4038 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
4039 tree_unroll_loop): Ditto.
4040 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4041 * tree-scalar-evolution.c (select_loops_exit_conditions,
4042 scev_initialize, scev_analysis): Ditto.
4043 * tree-scalar-evolution.h (scev_initialize): Ditto.
4044 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
4045 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
4046 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
4047 * modulo-sched.c (sms_schedule): Ditto.
4048 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4049 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
4050 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
4051 * ifcvt.c (if_convert): Ditto.
4052 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
4053 canonicalize_loop_induction_variables,
4054 canonicalize_induction_variables,
4055 tree_unroll_loops_completely, remove_empty_loops): Ditto.
4056 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
4057 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
4058 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
4059 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
4060 tree_ssa_loop_done): Ditto.
4061 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
4062 estimate_bb_frequencies): Ditto.
4063 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
4064 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
4065 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
4066 decide_unrolling_and_peeling, peel_loop_completely,
4067 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
4068 peel_loop_simple, unroll_loop_stupid): Ditto.
4069 * loop-doloop.c (doloop_optimize_loops): Ditto.
4070 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
4071 * loop-invariant.c (move_loop_invariants): Ditto.
4072 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
4073 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
4074 tree_ssa_prefetch_arrays): Ditto.
4075 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
4077 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
4078 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
4079 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
4080 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
4081 verify_loop_structure): Ditto.
4082 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
4083 canonicalize_induction_variables, tree_unroll_loops_completely,
4084 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
4085 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
4086 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
4087 tree_unroll_loop, linear_transform_loops): Declaration changed.
4088 * basic-block.h: Remove declaration of struct loops.
4089 * cfghooks.h (struct cfg_hooks): Change type of
4090 cfg_hook_duplicate_loop_to_header_edge.
4091 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
4092 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
4093 vect_transform_loop): Declaration changed.
4094 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
4095 * cfgloop.h (flow_loops_dump, fix_loop_structure,
4096 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
4097 cancel_loop_tree, create_preheaders, force_single_succ_latches,
4098 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
4099 loopify, loop_version, remove_path, unswitch_loops,
4100 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
4101 Declaration changed.
4103 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
4105 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
4106 (X87MODEF): New mode macro.
4107 (ssemodefsuffix): New mode attribute.
4108 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
4109 (sqrt_extend<mode>xf2_i387): New insn pattern.
4110 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
4111 insn and truncate result back to original mode using
4112 UNSPEC_TRUNC_NOOP truncation.
4113 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
4114 ssemodefsuffix mode attribute.
4115 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
4116 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
4117 (*sqrtextenddfxf2_i387): Remove insn patterns.
4119 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
4120 truncation patterns.
4122 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
4124 2006-11-24 Jakub Jelinek <jakub@redhat.com>
4127 * c-tree.h (c_maybe_initialize_eh): New prototype.
4128 * c-decl.c (finish_decl): Move EH initialization...
4129 (c_maybe_initialize_eh): ... here. New function.
4130 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
4131 if not #pragma omp atomic.
4134 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
4135 or UNION_TYPE inner types.
4137 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
4140 * ipa-pure-const.c (check_tree): If the original tree
4141 is volatile return early and say the function is not pure
4142 nor const. Remove the volatile check for writes.
4143 (analyze_function): Print out the result of the local
4146 2006-11-24 Joseph Myers <joseph@codesourcery.com>
4148 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
4150 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
4151 * config/rs6000/rs6000.c (rs6000_override_options): Use
4152 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
4155 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
4157 * config/s390.c (s390_emit_compare_and_swap): New function.
4158 (s390_expand_cs_hqi, s390_expand_atomic): Call
4159 s390_emit_compare_and_swap.
4161 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4163 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
4165 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4169 * c-common.c (conversion_warning): New.
4170 (convert_and_check): Call conversion_warning unless there is an
4172 * doc/invoke.texi (-Wconversion): Update description.
4174 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
4176 * tree-ssa-alias.c (tree_pointer_compare): New function.
4177 (compact_name_tags): New function.
4178 (group_aliases): Call compact_name_tags.
4180 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4182 * real.h (real_isinteger): Declare.
4183 * real.c (real_isinteger): Define.
4184 * builtins.c (integer_valued_real_p): Use it.
4186 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4189 * c.opt (Wtraditional-conversion): New.
4190 (Wconversion): Update description.
4191 * c-typeck.c (convert_arguments): Warnings for prototypes causing
4192 type conversions different from what would happen in the absence
4193 of prototype are now handled by Wtraditional-conversion.
4194 * doc/invoke.texi (Wtraditional-conversion): New.
4195 (Wconversion): Update description.
4196 * doc/trouble.texi (Wconversion): Replace Wconversion by
4197 Wtraditional-conversion.
4199 2006-11-23 Andrew Pinski <pinskia@gmail.com>
4201 * predict.c (tree_estimate_probability): Check to make
4202 sure current_loops is non null before calling flow_loops_dump.
4204 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
4206 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
4208 2006-11-23 David Ung <davidu@mips.com>
4210 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
4212 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
4213 (ASM_SPEC): Pass along -mfp32 and -mfp64.
4214 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
4215 high part of FP register when in 64-bit FP register mode. Similarly
4216 use gen_mfhc1 to load high part of FP register.
4217 (override_options): Allow -mgp32 and -mfp64 combination if
4218 ISA_HAS_MXHC1 (currently for O32 only).
4219 (mips_cannot_change_mode_class): If floating-point registers are
4220 bigger than word size. disallow conversion of float register from a
4221 large integer mode to a float mode smaller than the float register
4223 (mips_class_max_nregs): Handle float registers case seperately.
4224 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
4226 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
4227 (movdf_hardfloat_32bit): Similarly.
4228 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
4229 support a full 64-bit fpu.
4230 (mthc1): New pattern to generate MTHC1 instruction.
4231 (mfhc1): New pattern to generate MFHC1 instruction.
4232 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
4233 option for the MIPS32R2 and mention its use under O32 ABI.
4235 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
4237 * var-tracking.c (emit_note_insn_var_location): Take care not to
4238 cause verify_flow_info failures.
4240 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
4242 * tree-ssa-structalias.c: Remove edge weights in favor of just
4243 processing them as complex constraints.
4244 (struct constraint_graph): Remove weighted succs and preds. Rename
4245 nonweighted succs and preds.
4246 (constraint_edge): Removed.
4247 (constraint_edge_t): Ditto.
4248 (constraint_edge_pool): Ditto.
4249 (new_constraint_edge): Ditto.
4250 (constraint_edge_equal): Ditto.
4251 (constraint_edge_less): Ditto.
4252 (constraint_edge_vec_find): Ditto.
4253 (erase_self_graph_edge): Ditto.
4254 (add_graph_edge): Removed.
4255 (get_graph_weights): Ditto.
4256 (allocate_graph_weights): Ditto.
4257 (valid_weighted_graph_edge): Ditto
4258 (bitmap_other_than_zero_bit_set): Ditto.
4259 (int_add_graph_edge): Renamed to add_graph_edge.
4260 (clear_edges_for_node): Remove support for weighted edges.
4261 (merge_graph_nodes): Ditto.
4262 (valid_graph_edge): Ditto.
4263 (build_constraint_graph): Ditto.
4265 (collapse_nodes): Ditto.
4266 (process_unification_queue): Ditto.
4267 (topo_visit): Ditto.
4268 (do_ds_constraint): Ditto.
4269 (perform_var_subsitution): Ditto.
4270 (solve_graph): Ditto.
4271 (init_alias_vars): Ditto.
4272 (delete_points_to_sets): Ditto.
4273 (do_complex_constraint): Support offsetted copies here.
4275 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
4277 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
4279 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
4281 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
4284 2006-11-23 Ben Elliston <bje@au.ibm.com>
4286 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
4288 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
4290 PR tree-optimization/29921
4291 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
4292 signed and unsigned zero equal.
4294 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
4296 * config/rs6000/rs6000.c (get_store_dest): New.
4297 (adjacent_mem_locations): Use get_store_dest() to get
4298 the rtl of the store destination.
4300 2006-11-22 Joseph Myers <joseph@codesourcery.com>
4302 * config/rs6000/spe.md (SPE64): New mode macro.
4303 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
4305 (mov_si<mode>_e500_subreg0_2): New.
4306 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
4308 (mov_si<mode>_e500_subreg4_2): New.
4309 * config/rs6000/predicates.md (input_operand): Do not allow
4310 invalid E500 subregs.
4311 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
4313 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
4314 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
4315 involving vector modes if TARGET_SPE.
4317 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
4320 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4321 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4323 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
4325 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
4326 mem_i_address_operand): New predicates.
4327 * config/bfin/bfin.c (bfin_issue_rate): New function.
4328 (TARGET_SCHED_ISSUE_RATE): New macro.
4329 * config/bfin/bfin.md (addrtype): New attribute.
4330 (slot0, slot1, slot2, store, pregs): New cpu_units.
4331 (core): Now a define_reservation.
4332 (alu): Remove some insn types from this reservation.
4333 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
4335 (dummy reservation): Don't trigger for mcld insns.
4336 (absence_sets): Two new absence sets to enforce slot ordering.
4337 (popsi_insn): Set addrtype.
4339 2006-11-22 Ira Rosen <irar@il.ibm.com>
4341 * doc/c-tree.texi: Document new tree codes.
4342 * doc/md.texi: Document new optabs.
4343 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
4345 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
4346 * optabs.h (optab_index): Add new.
4347 (vec_extract_even_optab, vec_extract_odd_optab,
4348 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
4349 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
4350 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
4352 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
4353 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4354 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
4355 along with macros for their access.
4356 * tree-data-ref.h (first_location_in_loop, data_reference): Update
4358 * tree-vect-analyze.c (toplev.h): Include.
4359 (vect_determine_vectorization_factor): Fix indentation.
4360 (vect_insert_into_interleaving_chain,
4361 vect_update_interleaving_chain, vect_equal_offsets): New functions.
4362 (vect_analyze_data_ref_dependence): Add argument for interleaving
4363 check. Check for interleaving if it's true.
4364 (vect_check_dependences): New function.
4365 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
4366 every ddr. Call vect_analyze_data_ref_dependence with new argument.
4367 (vect_update_misalignment_for_peel): Update for interleaving.
4368 (vect_verify_datarefs_alignment): Check only first data-ref for
4370 (vect_enhance_data_refs_alignment): Update for interleaving. Check
4371 only first data-ref for interleaving.
4372 (vect_analyze_data_ref_access): Check interleaving, update
4374 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
4375 with different parameters.
4376 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
4377 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
4378 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
4379 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
4380 Update step in case of interleaving.
4381 (vect_strided_store_supported, vect_permute_store_chain): New
4383 (vectorizable_store): Handle strided stores.
4384 (vect_strided_load_supported, vect_permute_load_chain,
4385 vect_transform_strided_load): New functions.
4386 (vectorizable_load): Handle strided loads.
4387 (vect_transform_stmt): Add argument. Handle strided stores. Check
4388 that vectorized stmt exists for patterns.
4389 (vect_gen_niters_for_prolog_loop): Update calculation for
4391 (vect_transform_loop): Remove stmt_vec_info for strided stores after
4392 whole chain vectorization.
4393 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
4394 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
4395 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
4396 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
4397 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
4399 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
4401 * cse.c (enum taken): Remove PATH_AROUND.
4402 (addr_affects_sp_p, invalidate_skipped_set,
4403 invalidate_skipped_block): Remove.
4404 (cse_end_of_basic_block): Remove skip_blocks and related code.
4405 (cse_main): Don't test for flag_cse_skip_blocks.
4406 Update cse_end_of_basic_block call.
4407 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
4408 code to lengthen the path if a jump was simplified.
4410 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4412 PR rtl-optimization/29924
4413 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
4414 (unroll_loop_runtime_iterations): Assert that the argument passed to
4415 split_edge_and_insert is not NULL.
4416 * loop-doloop.c (add_test): Ditto.
4418 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4420 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
4422 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
4423 * cfgloopmanip.c (update_single_exits_after_duplication,
4424 update_single_exit_for_duplicated_loop, loop_version): Ditto.
4425 * tree-scalar-evolution.c (get_loop_exit_condition,
4426 get_exit_conditions_rec, loop_closed_phi_def,
4427 number_of_iterations_in_loop, scev_const_prop): Ditto.
4428 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
4429 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
4431 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4433 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4434 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
4435 slpeel_make_loop_iterate_ntimes,
4436 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
4437 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4439 * tree-if-conv.c (if_convertible_loop_p): Ditto.
4440 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
4441 vect_analyze_loop_form): Ditto.
4442 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
4443 can_convert_to_perfect_nest, perfect_nestify): Ditto.
4444 * tree-vect-transform.c (vect_create_epilog_for_reduction,
4445 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4446 vect_transform_loop): Ditto.
4447 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
4448 (single_exit, set_single_exit): New functions.
4449 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
4450 (single_exit, set_single_exit): Declare.
4451 * doc/loop.texi: Undocument single_exit field. Document single_exit
4454 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4456 PR tree-optimization/29902
4457 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
4458 any involved ssa name appears in abnormal phi node.
4460 2006-11-21 Bob Wilson <bob.wilson@acm.org>
4462 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
4463 (xtensa_const_ok_for_letter_p): Delete.
4464 (xtensa_extra_constraint): Delete.
4465 (override_options): Delete xtensa_char_to_class initialization.
4466 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
4467 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4468 (EXTRA_CONSTRAINT): Delete.
4469 * config/xtensa/xtensa.md: Include constraints.md.
4470 (call_internal): Combine alternatives.
4471 (call_value_internal): Likewise, and remove invalid constraints.
4472 * config/xtensa/constraints.md: New file.
4473 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
4474 (xtensa_extra_constraint): Delete.
4475 * doc/md.texi (Machine Constraints): Refer to constraints.md for
4478 2006-11-21 Janis Johnson <janis187@us.ibm.com>
4480 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
4481 of conversion that doesn't fit.
4483 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
4484 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
4485 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
4487 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
4489 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
4491 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
4493 2006-11-21 Richard Guenther <rguenther@suse.de>
4495 * tree-vectorizer.h (NUM_PATTERNS): Increase.
4496 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
4497 vect_recog_pow_pattern.
4498 (vect_recog_pow_pattern): New function.
4500 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
4502 * config/bfin/bfin.opt (mstack-check-l1): New.
4503 * doc/invoke.texi (Blackfin Options): Document it.
4504 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
4505 stack bounds in L1 memory if the new option is enabled.
4506 (override_options): Don't allow combinations of -fstack-limit and
4508 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
4511 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
4513 (bfin_register_move_cost): Bump costs if trying to move plain
4514 integer values through accumulators.
4516 2006-11-21 Ben Elliston <bje@au.ibm.com>
4518 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
4520 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
4521 Russell Olsen <Russell_Olsen@playstation.sony.com>
4522 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
4523 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
4524 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
4525 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
4526 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4528 * config.gcc: Add target for SPU.
4529 * config/spu/constraints.md: New file.
4530 * config/spu/crt0.c: New file.
4531 * config/spu/crtend.c: New file.
4532 * config/spu/crti.asm: New file.
4533 * config/spu/crtn.asm: New file.
4534 * config/spu/float_unsdidf.c: New file.
4535 * config/spu/float_unssidf.c: New file.
4536 * config/spu/predicates.md: New file.
4537 * config/spu/spu-builtins.def: New file.
4538 * config/spu/spu-builtins.h: New file.
4539 * config/spu/spu-builtins.md: New file.
4540 * config/spu/spu-c.c: New file.
4541 * config/spu/spu-elf.h: New file.
4542 * config/spu/spu-modes.def: New file.
4543 * config/spu/spu-protos.h: New file.
4544 * config/spu/spu.c: New file.
4545 * config/spu/spu.h: New file.
4546 * config/spu/spu.md: New file.
4547 * config/spu/spu.opt: New file.
4548 * config/spu/spu_internals.h: New file.
4549 * config/spu/spu_intrinsics.h: New file.
4550 * config/spu/spu_mfcio.h: New file.
4551 * config/spu/t-spu-elf: New file.
4552 * config/spu/vec_types.h: New file.
4553 * config/spu/vmx2spu.h: New file.
4554 * doc/contrib.texi: Document SPU contributor.
4555 * doc/extend.texi: Document SPU extensions.
4556 * doc/invoke.texi: Document SPU options.
4557 * doc/md.texi: Document SPU constraints.
4559 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4561 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
4563 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4565 (flow_loop_dump): Do not dump loop level.
4566 (flow_loops_find): Do not call flow_loops_level_compute.
4567 * cfgloop.h (struct loop): Remove level field.
4569 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4571 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
4572 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
4573 Use vector of edges instead of array.
4574 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
4575 estimate_numbers_of_iterations_loop): Ditto.
4576 * predict.c (predict_loops): Ditto.
4577 * loop-unroll.c (analyze_insns_in_loop): Ditto.
4578 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
4580 * basic-block.h: Declare heap allocation for edge vectors.
4581 * tree-outof-ssa.c: Ditto.
4582 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
4583 * cfgloop.h (get_loop_exit_edges): Declaration changed.
4585 2006-11-20 Zack Weinberg <zackw@panix.com>
4587 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
4588 Add another out parameter, "skip".
4589 (set_gc_used_type): Adjust calls to process_gc_options. If a field
4590 is tagged "skip", do not mark its type used.
4592 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4595 * tree-sra.c (single_scalar_field_in_record_p): New function.
4596 (decide_block_copy): Use it.
4598 2006-11-20 David Daney <ddaney@avtrex.com>
4600 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4601 PC to point to following instruction.
4603 2006-11-20 Anatoly Sokolov <aesok@post.ru>
4607 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4609 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4611 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
4613 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4614 Add sh/superh.h to tm_file.
4616 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
4617 Mark Mitchell <mark@codesourcery.com>
4619 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4621 (cpp_relocated): New function.
4622 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4624 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4625 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4626 replace configured prefix with gcc_exec_prefix.
4628 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
4630 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4631 bfin_legitimate_constant_p.
4632 * config/bfin/bfin.md (movsi expander): Check return value of
4634 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4635 (expand_move): Adjust prototype.
4636 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
4637 invalid constants specially.
4638 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4640 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4642 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4643 sibcall_value_symbol): Allow these patterns if
4644 TARGET_LEAF_ID_SHARED_LIBRARY.
4645 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4646 (override_options): Turn on id shared library flags if -msep-data,
4647 but disallow the combination of these options on the command line.
4648 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4649 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4650 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4651 -mid-shared-library.
4652 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4653 * doc/invoke.texi (Blackfin Options): Document new switches.
4655 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4656 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4658 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4659 inflate costs for addresses with an out-of-bounds address.
4661 2006-11-19 Andrew Pinski <pinskia@gmail.com>
4664 * fwprop.c (loops): Remove.
4665 (forward_propagate_into): Use current_loops instead of
4667 (fwprop_init): Call loop_optimizer_init instead of
4669 (fwprop_done): Call loop_optimizer_finalize instead of
4671 (fwprop): Use current_loops instead of loops.
4673 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
4676 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4678 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4681 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4682 larger than BITS_PER_WORD.
4684 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4688 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4689 to MAX_FIXED_MODE_SIZE.
4691 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4693 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4694 (fold_builtin_fmin_fmax): New.
4695 (fold_builtin_1): Use it.
4697 * fold-const.c (fold_strip_sign_ops): Handle copysign.
4699 2006-11-18 Richard Guenther <rguenther@suse.de>
4701 * config/i386/i386.c (ix86_builtins): New array for ix86
4702 builtin function decls.
4703 (def_builtin): New function.
4704 (def_builtin_const): Likewise.
4705 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4707 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
4709 * doc/invoke.texi (core2): Add item.
4711 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4713 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4714 (TARGET_CPU_DEFAULT_generic): Change value.
4715 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4716 (processor_type): Add new constant PROCESSOR_CORE2.
4718 * config/i386/i386.md (cpu): Add core2.
4720 * config/i386/i386.c (core2_cost): New initialized variable.
4721 (m_CORE2): New macro.
4722 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4723 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4724 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4725 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4726 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4727 x86_accumulate_outgoing_args, x86_prologue_using_move,
4728 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4729 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4730 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4731 x86_pad_returns): Add m_CORE2.
4732 (override_options): Add entries for Core2.
4733 (ix86_issue_rate): Add case for Core2.
4735 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4737 * doc/invoke.texi: Fix mno-isel typo.
4739 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4741 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4742 easy vector constant loads.
4744 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4746 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4747 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4748 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4749 * config/rs6000/sync.md (lwsync): Emit plain sync if
4752 2006-11-17 DJ Delorie <dj@redhat.com>
4754 * reload1.c (reloads_unique_chain): New.
4755 (reloads_conflict): Call it.
4757 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4759 * config/xtensa/predicates.md (addsubx_operand): New.
4760 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4761 (xtensa_emit_bit_branch): New.
4762 (xtensa_emit_movcc): New.
4763 * config/xtensa/xtensa.md (any_minmax): New code macro.
4764 (minmax): New code attribute.
4765 (any_cond, any_scc, any_scc_sf): New code macros.
4766 (*addx2, *addx4, *addx8): Delete.
4768 (*subx2, *subx4, *subx8): Delete.
4770 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4771 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4772 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4773 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4774 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4775 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4776 (movsfcc_internal0, movsfcc_internal1): Likewise.
4777 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4778 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4779 (xtensa_emit_bit_branch): New.
4780 (xtensa_emit_movcc): New.
4781 (function_arg_boundary): Add missing prototype.
4783 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4785 * config/xtensa/xtensa.md (tstsi): Delete
4787 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4789 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4791 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4793 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4795 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4797 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4799 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4801 * tree-vrp.c (execute_vrp): Do not update current_loops.
4802 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4803 * doc/loop.texi: Remove documentation for cancelled functions.
4804 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4805 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4807 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4808 (remove_path): Ensure that in delete_basic_blocks, the loops
4809 are still allocated.
4810 (add_loop): Work on valid loop structures.
4811 (loopify): Modify call of add_loop.
4812 (mfb_update_loops): Removed.
4813 (create_preheader): Do not update loops explicitly.
4814 (force_single_succ_latches, loop_version): Do not use
4815 loop_split_edge_with.
4816 (loop_split_edge_with): Removed.
4817 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4818 Do not use bsi_insert_on_edge_immediate_loop.
4819 (split_loop_exit_edge, tree_unroll_loop): Do not use
4820 loop_split_edge_with.
4821 (bsi_insert_on_edge_immediate_loop): Removed.
4822 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4823 use loop_split_edge_with.
4824 * cfghooks.c: Include cfgloop.h.
4825 (verify_flow_info): Verify that loop_father is filled iff current_loops
4827 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4828 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4830 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4832 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4833 loop_split_edge_with.
4834 (sms_schedule): Use current_loops.
4835 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4836 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4838 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4839 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4840 * ifcvt.c (if_convert): Ditto.
4841 * predict.c (predict_loops): Do not clear current_loops.
4842 (tree_estimate_probability): Use current_loops.
4843 (propagate_freq): Receive head of the region to propagate instead of
4845 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4846 (estimate_loops): New function. Handle case current_loops == NULL.
4847 (estimate_bb_frequencies): Do not allocate tovisit. Use
4849 * tree-ssa-loop.c (current_loops): Removed.
4850 (tree_loop_optimizer_init): Do not return loops.
4851 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4852 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4853 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4854 Do not update loops explicitly.
4855 * function.h (struct function): Add x_current_loops field.
4856 (current_loops): New macro.
4857 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4858 * loop-unroll.c (split_edge_and_insert): New function.
4859 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4860 use loop_split_edge_with.
4861 * loop-doloop.c (add_test, doloop_modify): Ditto.
4862 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4863 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4864 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4865 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4867 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4868 (flow_loops_free): Do not free dfs_order and rc_order.
4869 (flow_loops_find): Do not set dfs_order and rc_order in loops
4870 structure. Do not call loops and flow info verification.
4871 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4872 already belongs to some loop.
4873 * cfgloop.h (struct loops): Remove struct cfg.
4874 (current_loops, loop_split_edge_with): Declaration removed.
4875 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4876 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4877 Declaration removed.
4878 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4879 * basic-block.h (split_edge_and_insert): Declare.
4880 * tree-cfg.c (remove_bb): Do not update loops explicitly.
4882 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4884 PR tree-optimization/29801
4885 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4886 (get_default_value): Use get_symbol_constant_value.
4887 (set_lattice_value): ICE when the value of the constant is
4889 (visit_assignment): Ignore VDEFs of read-only variables.
4891 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4893 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4895 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4896 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4898 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4900 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4901 select subvars of var.
4903 2006-11-17 Jakub Jelinek <jakub@redhat.com>
4906 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4907 optimize if DEF doesn't have integral type.
4909 2006-11-16 Mike Stump <mrs@apple.com>
4911 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4912 pre-darwin9 system, unless the user asks for it directly.
4913 (PREFERRED_DEBUGGING_TYPE): Likewise.
4914 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4915 * config.gcc: Add suppport for darwin9.h.
4916 * config/darwin9.h: Add.
4917 * doc/install.texi (Specific): Clarify darwin documentation.
4919 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4921 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4922 optimizing for size.
4924 2006-11-16 Mike Stump <mrs@apple.com>
4926 * Makefile.in (targhooks.o): Add $(OPTABS_H).
4928 2006-11-16 Dirk Mueller <dmueller@suse.de>
4930 * tree-vrp.c (get_value_range): Use XCNEW instead
4932 (insert_range_assertions): Use XCNEWVEC instead
4933 of XNEWVEC and memset.
4934 (vrp_initialize): Same.
4935 (vrp_finalize): Same.
4936 * tree-ssa-ccp.c (ccp_initialize): Same.
4937 * predict.c (tree_bb_level_predictions): Same.
4938 * calls.c (expand_call): Same.
4939 * tree-ssa-copy.c (init_copy_prop): Same.
4940 (fini_copy_prop): Same.
4941 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4942 of GGC_NEW and memset.
4944 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4947 * gimplify.c (gimplify_expr): Only force a load for references to
4948 non-BLKmode volatile values.
4949 * doc/implement-c.texi (Qualifiers implementation): Document the
4950 interpretation of what a volatile access is.
4951 * doc/extend.texi (C++ Extensions): Rework same documentation.
4953 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4955 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4958 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4960 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4962 (arm_neg_abssi2): Renamed from neg_abssi2.
4963 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4965 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4967 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4968 number of arguments passed to local functions in SSE registers is 3.
4970 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4971 number of arguments passed in SSE registers to 3.
4973 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4976 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4978 (get_last_bb_insn): ... new global function.
4979 (basic_block.h): Declare it.
4980 * haifa-sched.c (create_recovery_block): Use it.
4982 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4985 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4987 2006-11-15 Paul Brook <paul@codesourcery.com>
4989 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4990 _Unwind_GetTextRelBase): Move from here ...
4991 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4992 _Unwind_GetTextRelBase): ... To here.
4994 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4996 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4997 addresses we generate for testing are aligned.
4999 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
5002 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
5003 to what is the const decl is a place holder for.
5005 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
5007 * config/i386/i386.opt: New target option -mx87regparm.
5009 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
5010 and float_in_x87 variables. mmx_words, sse_words: Remove.
5011 (X87_REGPARM_MAX): Define.
5013 * config/i386/i386.c (override_options): Error out for
5014 -mx87regparm but no 80387 support.
5015 (ix86_attribute_table): Add x87regparm.
5016 (ix86_handle_cconv_attribute): Update comments for x87regparm.
5017 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
5018 (ix86_function_x87regparm): New function.
5019 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
5021 (init_cumulative_args): Initialize x87_nregs and float_in_x87
5023 (function_arg_advance): Process x87_nregs and x87_regno when
5024 floating point argument is to be passed in 80387 register.
5025 (function_arg): Pass XFmode arguments in 80387 registers for local
5026 functions. Pass SFmode and DFmode arguments to local functions
5027 in 80387 registers when flag_unsafe_math_optimizations is set.
5029 * reg-stack.c (convert_regs_entry): Disable NaN load for
5030 stack registers that are used for argument passing.
5032 * doc/extend.texi: Document x87regparm function attribute.
5033 * doc/invoke.texi: Document -mx87regparm.
5035 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
5037 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
5038 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
5039 arg MODE; all callers changed. Use it to determine validity per
5040 machine mode instead of using Pmode for all memory references.
5041 (get_address_cost): Likewise add and use new arg MEM_MODE.
5043 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
5044 J"orn Rennecke <joern.rennecke@st.com>
5046 * combine.c (likely_spilled_retval_1): Fix masking operation.
5047 (likely_spilled_retval_p): Use proper pattern for call to
5048 likely_spilled_retval_1.
5050 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
5052 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
5054 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
5055 that tests for CONSTANT_POOL_ADDRESS_P.
5057 2006-11-15 Jakub Jelinek <jakub@redhat.com>
5059 PR tree-optimization/29581
5060 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
5061 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
5062 type is different between Y and USE, create a temporary
5063 variable, initialize it at the beginning of the body bb
5064 and use it as replacement instead of Y.
5066 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
5069 * gimplify.c (fold_indirect_ref_rhs): Use
5070 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
5072 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
5074 * expmed.c (emit_store_flag_1): New function.
5075 (emit_store_flag): Call it. If we can't find a suitable scc insn,
5077 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
5078 Use do_compare_rtx_and_jump.
5079 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
5080 * arm.md (cstoresi4): New define_expand.
5081 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
5082 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
5083 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
5085 2006-11-14 Caroline Tice <ctice@apple.com>
5087 * dwarf2out.c (debug_pubtypes_section): New static global variable.
5088 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
5090 (pubname_table): Redefine as a vector.
5091 (pubtype_table): New static global variable, defined as a vector.
5092 (pubname_table_allocated): Remove static global variable.
5093 (pubname_table_in_use): Remove static global variable.
5094 (PUBNAME_TABLE_INCREMENT): Remove constant.
5095 (size_of_pubnames): Add parameter to deal with either pubnames or
5096 pubtypes, and change code to deal with table being a vector.
5097 (add_pubname): Change to deal with table being a vector.
5098 (add_pubtype): New function.
5099 (output_pubnames): Add parameter to deal with either pubnames or
5100 pubtypes, and change code to deal with table being a vector.
5101 (gen_array_type_die): Add call to add_pubtype.
5102 (gen_enumeration_type_die): Add call to add_pubtype.
5103 (gen_struct_or_union_type_die): Add call to add_pubtype.
5104 (gen_subroutine_type_die): Add call to add_pubtype.
5105 (gen_typedef_die): Add call to add_pubtype.
5106 (dwarf2out_init): Add code to initialize pubname_table and
5107 pubtype_table vectors; also initialize debug_pubtypes_section.
5108 (prune_unused_types): Change to deal with pubnames being a vector.
5109 (dwarf2out_finish): Change to deal with pubnames being a vector; add
5110 pubnames table to call to output_pubnames; Add code to output pubtypes
5111 table if DEBUG_PUBTYPES_SECTION is defined.
5112 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
5114 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
5116 2006-11-14 Joseph Myers <joseph@codesourcery.com>
5118 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
5119 iwmmxt_nregs if TARGET_IWMMXT_ABI.
5120 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
5121 movv2si_internal): Support moves between core registers.
5123 2006-11-14 Eric Christopher <echristo@apple.com>
5125 * configure: Regenerate with autoconf 2.59.
5127 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
5129 Fix PR tree-optimization/27755
5131 * tree-ssa-pre.c: Update comments.
5132 (bb_bitmap_sets): Add pa_in and deferred member.
5133 (BB_DEFERRED): New macro.
5134 (maximal_set): New variable.
5135 (pre_stats): Add pa_insert member.
5136 (bitmap_set_and): Short circuit orig == dest.
5137 (bitmap_set_subtract_values): New function.
5138 (bitmap_set_contains_expr): Ditto.
5139 (translate_vuses_through_block): Add phiblock argument.
5140 (dependent_clean): New function.
5141 (compute_antic_aux): Update for maximal_set changes.
5142 (compute_partial_antic_aux): New function.
5143 (compute_antic): Handle partial anticipation.
5144 (do_partial_partial_insertion): New function.
5145 (insert_aux): Handle partial anticipation.
5146 (add_to_sets): Add to maximal set.
5147 (compute_avail): Ditto.
5148 (init_pre): Initialize maximal_set.
5149 (execute_pre): Do partial anticipation if -O3+.
5151 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
5153 PR rtl-optimization/29798
5155 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
5156 TARGET_INSN before any other check.
5157 (fwprop_init): Always calculate dominators.
5158 (fwprop_done): Always free them.
5160 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5162 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
5165 2006-11-13 DJ Delorie <dj@redhat.com>
5167 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
5168 temporary for intermediates.
5170 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
5172 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
5173 (sh_optimize_target_register_callee_saved): #if 0 the code
5174 using NOTE_INSN_LOOP_{BEG,END}.
5176 2006-11-13 Roger Sayle <roger@eyesopen.com>
5178 * fold-const.c (optimize_bit_field_compare): Recursively call
5179 fold when simplifying non-constant comparisons between bit-fields.
5181 2006-11-13 Jakub Jelinek <jakub@redhat.com>
5183 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
5185 * configure: Rebuilt.
5187 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
5189 * config/rs6000/cell.md: New file.
5190 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
5192 (ppccell_cost): New cost matrix.
5193 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
5194 (rs6000_override_options): Set rs6000_always_hint to false
5195 for cell. Also align functions/lables/loops to 8byte
5196 for the Cell. Use PROCESSOR_CELL.
5197 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
5198 using_mtcr_multiple.
5199 (rs6000_variable_issue): If the insn is a nonpipelined instruction
5200 on the Cell, return 0.
5201 (rs6000_adjust_cost): Add Cell cost adjustments.
5202 (is_microcoded_insn): Return true for Cell microcoded
5204 (is_nonpipeline_insn): New function.
5205 (rs6000_issue_rate): Add PROCESSOR_CELL.
5206 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
5208 (rs6000_use_sched_lookahead_guard): New function.
5209 (rs6000_sched_reorder): Reorder the ready list, if the second
5210 to last ready insn is a nonepipeline insn on the Cell.
5211 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
5212 (ASM_CPU_SPEC): Add Cell.
5213 * config/rs6000/rs6000.md (cpu): Add Cell.
5214 (cell_micro): New Attr.
5217 2006-11-13 Jakub Jelinek <jakub@redhat.com>
5219 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
5221 * configure: Rebuilt.
5223 2006-11-13 Richard Guenther <rguenther@suse.de>
5225 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
5227 (ix86_expand_lfloorceil): Likewise.
5228 (ix86_expand_rint): Likewise.
5229 (ix86_expand_floorceildf_32): Likewise.
5230 (ix86_expand_floorceil): Likewise.
5231 (ix86_expand_rounddf_32): Likewise.
5232 (ix86_expand_truncdf_32): Likewise.
5233 (ix86_expand_round): Likewise.
5235 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
5236 Mark Mitchell <mark@codesourcery.com>
5238 * gcc.c: Organize search path variables into $prefix relative,
5239 and well-known native. Add comments.
5240 (add_sysrooted_prefix): Add comment.
5241 (process_command): If !gcc_exec_prefix add $prefix based paths.
5242 If *cross_compile == '0', add native well-known paths.
5243 Assert tooldir_base_prefix is always relative.
5244 (main): If print_search_dirs, and if gcc_exec_prefix is set,
5245 use this value for 'install:' path.
5246 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
5248 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
5250 * config/i386/i386.c: Fix a typo in comment.
5252 2006-11-13 Michael Matz <matz@suse.de>
5254 * genemit.c (gen_expand): Allocate enough memory.
5256 2006-11-13 Joseph Myers <joseph@codesourcery.com>
5258 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
5259 __GXX_TYPEINFO_EQUALITY_INLINE but not
5260 __GXX_MERGED_TYPEINFO_NAMES.
5261 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
5262 __GXX_MERGED_TYPEINFO_NAMES.
5263 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
5264 __GXX_TYPEINFO_EQUALITY_INLINE.
5266 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
5267 Zdenek Dvorak <dvorakz@suse.cz>
5269 PR tree-optimization/29680
5270 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
5273 2006-11-12 Jason Merrill <jason@redhat.com>
5274 Andrew Pinski <pinskia@physics.uc.edu>
5277 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
5279 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
5281 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
5282 * tree.c (build_vector): Handle non-_CST elements.
5284 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
5286 * genemit.c (gen_insn): Call gen_exp with a non-null used
5287 when handling multiple insns.
5288 (gen_expand): Likewise.
5289 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
5290 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
5291 (movsi_const_16bit+1): Copy operands[1].
5292 (call_pcrel): Copy the call_site pattern.
5293 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
5295 2006-11-12 Roger Sayle <roger@eyesopen.com>
5297 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
5298 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
5299 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
5300 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
5302 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
5304 Fix PR tree-optimization/29587
5305 * tree-ssa-structalias.c (process_constraint): Don't
5306 mark address taken due only to escaped vars constraint.
5308 2006-11-12 Michael Matz <matz@suse.de>
5309 Roger Sayle <roger@eyesopen.com>
5311 PR rtl-optimization/29797
5312 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
5313 BITS_BIG_ENDIAN targets.
5315 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5317 * builtins.c (fold_builtin_cosh): New.
5318 (fold_builtin_1): Use it.
5319 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
5320 trunc to the list of "odd" functions. Also add llrint, lrint,
5321 rint and nearbyint when flag_rounding_math is false.
5323 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5325 * tree-flow.h (name_mappings_registered_p): Declare.
5326 * tree-into-ssa.c (name_mappings_registered_p): New function.
5327 * tree-cfg.c (tree_can_merge_blocks_p): Check
5328 name_mappings_registered_p instead of need_ssa_update_p.
5330 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5332 * tree-ssa-loop.c (tree_vectorize): Return the result of
5334 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
5335 if anything changed.
5336 * tree-vectorizer.h (vectorize_loops): Declaration removed.
5337 * tree-flow.h (vectorize_loops): Declaration changed.
5339 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5341 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
5343 (issue_prefetch_ref): Move assignment to write_p out of loop.
5344 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
5345 SIMULTANEOUS_PREFETCHES into account.
5346 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
5347 * lambda-code.c (lcm): Renamed to ...
5348 (least_common_multiple): ... and exported.
5349 * tree-flow.h (least_common_multiple): Declare.
5351 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5353 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
5354 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
5355 ud-chains. Handle AND_EXPR.
5356 (record_estimate): Record whether the estimate is realistic
5357 and whether it is derived from a loop exit.
5358 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
5359 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
5361 (compute_estimated_nb_iterations): Take only realistic bounds into
5362 account. Set estimate_state. Use double_ints.
5363 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
5364 and infer_loop_bounds_from_signedness. Do not consider basic blocks
5365 that do not have to be always executed.
5366 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
5367 to determine whether to call infer_loop_bounds_from_undefined
5368 and compute_estimated_nb_iterations.
5369 (n_of_executions_at_most): Use double_ints.
5370 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
5371 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
5372 * double-int.c (double_int_to_tree): Improve comment.
5373 (double_int_fits_to_tree_p): New function.
5374 * double-int.h (double_int_fits_to_tree_p): Declare.
5375 * tree-data-ref.c: Include langhooks.h.
5376 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
5377 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
5378 (analyze_array): Do not pass estimate_only argument to
5379 analyze_array_indexes.
5380 (get_number_of_iters_for_loop): Build tree from the stored double_int
5382 (get_references_in_stmt, find_data_references_in_stmt): New functions.
5383 (find_data_references_in_loop): Use find_data_references_in_stmt.
5384 * tree-data-ref.h (struct data_ref_loc_d): New.
5385 (get_references_in_stmt): Declare.
5386 (estimate_iters_using_array): Declaration removed.
5387 * cfgloop.h (struct nb_iter_bound): Change type of bound to
5388 double_int. Improve comments. Add is_exit and realistic
5390 (struct loop): Changed type of estimated_nb_iterations to double_int.
5391 Added estimate_state field.
5392 (record_estimate): Declaration removed.
5394 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5396 * params.c (set_param_value): Initialize the "set" field.
5397 * params.h (struct param_info): Add "set" field.
5398 (PARAM_SET_P): New macro.
5399 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
5400 L1_CACHE_LINE_SIZE): New macros.
5401 * toplev.c (DEFPARAM): Initialize the "set" field.
5402 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
5403 SIMULTANEOUS_PREFETCHES): Removed.
5404 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
5405 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
5406 * config/sparc/sparc.c: Include params.h.
5407 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
5408 L1_CACHE_LINE_SIZE parameters.
5409 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5411 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5413 * config/i386/i386.c: Include params.h.
5414 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
5415 (override_options): Set SIMULTANEOUS_PREFETCHES and
5416 L1_CACHE_LINE_SIZE parameters.
5417 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
5418 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
5419 L1_CACHE_LINE_SIZE parameters.
5420 * config/ia64/ia64.c (ia64_optimization_options): Set
5421 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
5422 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
5424 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
5425 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
5426 * doc/invoke.texi: Document new params.
5428 2006-11-12 Roger Sayle <roger@eyesopen.com>
5430 PR tree-optimization/13827
5431 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
5434 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5436 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
5437 update_single_exit_for_duplicated_loops): New functions.
5438 (duplicate_loop_to_header_edge): Use
5439 update_single_exit_for_duplicated_loops.
5440 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
5441 functions only with ENABLE_CHECKING.
5443 2006-11-12 Andreas Schwab <schwab@suse.de>
5445 * except.c (sjlj_emit_function_enter): Remove unused variable.
5447 2006-11-11 Roger Sayle <roger@eyesopen.com>
5449 * fold-const.c (int_binop_types_match_p): New function.
5450 (size_binop): Relax constraint that both arguments must both have
5451 exactly the same sizetype type. Instead use int_binop_types_match_p.
5452 (size_diffop): Likewise.
5454 (make_range): Use build_int_cst instead of fold_convert.
5455 (fold_cond_expr_with_comparison): Use build_int_cst to construct
5456 integer constants of the correct type.
5457 (fold_div_compare): Likewise.
5458 (fold_single_bit_test): Likewise.
5459 (fold_binary): Likewise.
5460 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
5461 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
5463 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
5466 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
5467 non null value if the struct memory access is in the 0th
5470 2006-11-12 Jie Zhang <jie.zhang@analog.com>
5473 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5474 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5477 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
5478 instead of builtin_define for bfin and BFIN.
5480 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5482 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5485 2006-11-11 Jan Hubicka <jh@suse.cz>
5487 * extend.texi (__builtin_expect): We no longer require second argument
5489 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
5490 * builtins.c (expand_builtin_expect): Simplify.
5491 (expand_builtin_expect_jump): Kill.
5492 * final.c (final_scan_insn): Do not skip the removed notes.
5493 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
5494 EXPECTED_VALUE): Remove.
5495 * dojump.c (do_jump): Do not care about __builtin_expect.
5496 * predict.c (expected_value_to_br_prob): Kill.
5497 * function.c (expand_function_end): Do not expand
5498 NOTE_INSN_REPEATED_LINE_NUMBER.
5499 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
5500 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
5501 * cfgexpand.c (add_reg_br_prob_note): Export.
5502 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5503 expected_value_to_br_prob.
5504 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
5505 * rtl.h (add_reg_br_prob_note): Declare.
5507 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5509 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
5511 2006-11-11 Jan Hubicka <jh@suse.cz>
5513 * predict.c (predict_loops): Kill RTL variant.
5515 2006-11-11 Jan Hubicka <jh@suse.cz>
5517 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
5518 * modulo-sched.c (find_line_note): Remove.
5519 (loop_canon_p): Do not worry about line number notes.
5520 (sms_schedule): Likewise.
5521 * cse.c (cse_main): Likewise.
5522 * regmove.c (fixup_match_1): Likewise
5523 * function.c (emit_return_info_block): Likewise.
5524 (expand_function_end): Likewise.
5525 (thread_prologue_an_epilogue_insns): Likewise.
5526 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
5528 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
5529 emit_note_copy_after): Kill.
5530 (emit_note_copy): Do not worry about line numbers.
5531 * jump.c (purge_line_number_notes): Kill.
5532 (pass_purge_lineno_notes): Kill.
5533 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
5535 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
5536 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
5537 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
5538 * tree-pass.h (pass_purge_lineno_notes): Kill.
5539 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
5540 rm_redundant_line_notes.
5541 * sched-rgb.c (schedule_region): Don't rm_line_notes,
5542 rm_redundant_line_notes.
5543 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
5544 * haifa-sched.c: Update comment about handling notes.
5545 (unlink_line_notes): Kill.
5546 (rm_line_notes): Kill.
5547 (save_line_notes): Simplify.
5548 (rm_redundant_line_notes): Kill.
5550 2006-11-11 Richard Guenther <rguenther@suse.de>
5552 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
5553 Remove unused tree codes.
5554 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
5555 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
5556 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5557 * tree.c (stabilize_reference): Likewise.
5558 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
5559 fold_unary): Likewise.
5560 * tree-gimple.c (is_gimple_cast): Likewise.
5561 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
5562 * expr.c (expand_expr_real_1): Likewise.
5563 * tree-eh.c (tree_could_trap_p): Likewise.
5564 * gimplify.c (gimplify_expr): Likewise.
5565 * tree-inline.c (estimate_num_insns_1): Likewise.
5566 * tree-cfg.c (verify_expr): Likewise.
5568 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
5570 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
5571 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5572 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
5574 2006-11-11 Richard Sandiford <richard@codesourcery.com>
5577 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5578 constraints accept neither registers or memories.
5580 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5582 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
5583 (NO_PROFILE_COUNTERS): Define as 1.
5585 2006-11-10 Roger Sayle <roger@eyesopen.com>
5587 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
5588 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
5590 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
5592 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5594 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5596 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5597 (fold_builtin_hypot): Likewise.
5598 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5600 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5602 2006-11-10 Roger Sayle <roger@eyesopen.com>
5604 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5605 when attempting to build INTEGER_CSTs of non-integral types.
5606 * expmed.c (make_tree): Use the correct type, i.e. the inner
5607 type, when constructing the individual elements of a CONST_VECTOR.
5609 2006-11-10 Jan Hubicka <jh@suse.cz>
5611 * cse.c (cse_process_notes): Copy the propagated value.
5612 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5614 * gcse.c (try_replace_reg): Copy the replacement.
5615 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
5616 (assign_386_stack_local): Always return copied memory expression
5617 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
5620 2006-11-10 Jan Hubicka <jh@suse.cz>
5622 * final.c (final): Walk from first instruction.
5623 * cfglayout.c (insn_locators_initialize): Remove line number notes.
5625 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
5628 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5630 (umulv8hi3_highpart): Ditto.
5631 (vec_widen_smult_hi_v8hi): New expander.
5632 (vec_widen_smult_lo_v8hi): Ditto.
5634 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5637 * builtins.c (do_mpfr_arg3): New.
5638 (fold_builtin_1): Handle builtins fma, fmin and fmax.
5640 2006-11-09 Eric Christopher <echristo@apple.com>
5645 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5646 * config.gcc (powerpc64-*-darwin*): New target.
5647 * config.host: Ditto.
5648 * config/rs6000/darwin64.h: New file.
5649 * config/rs6000/x-darwin64: Ditto.
5650 * config/rs6000/host-ppc64-darwin.c: Ditto.
5652 2006-11-09 Steve Ellcey <sje@cup.hp.com>
5654 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
5655 routines for integer division.
5657 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
5659 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5661 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5664 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5666 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
5668 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5669 simplify_subreg with BLKmode outer mode.
5671 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
5673 * doc/invoke.texi: Minor formatting fixes in option lists.
5675 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
5677 PR tree-optimization/29738
5678 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5679 (ccp_lattice_t): Remove UNKNOWN_VAL.
5680 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5681 Do not handle UNKNOWN_VAL.
5682 (get_default_value): Set initial value of virtual operands to
5684 (get_value): Always use get_default_value on uninitialized
5686 (set_value_varying, surely_varying_stmt_p): New functions.
5687 (set_lattice_value): Do not pass argument to get_value.
5688 Do not handle UNKNOWN_VAL.
5689 (likely_value): Follow the semantics described in the comment.
5690 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
5691 phi nodes DONT_SIMULATE_AGAIN.
5692 (ccp_fold): Do not pass argument to get_value.
5693 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
5696 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
5698 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5699 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5701 2006-11-08 Roger Sayle <roger@eyesopen.com>
5703 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5704 test for inclusion rather than as a test for exclusion.
5705 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5706 the condition after calling fold_binary.
5707 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5708 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5709 * builtins.c (fold_builtin_isascii): Likewise.
5710 (fold_builtin_isdigit): Likewise.
5712 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
5714 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5715 * configure: Regenerate.
5717 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5719 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5720 enum argument instead of bool.
5721 (vect_analyze_operations): Call vectorizable_type_promotion.
5722 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5723 stmt_vec_info_type value.
5724 (supportable_widening_operation, vectorizable_type_promotion): New
5725 function declarations.
5726 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5727 (vectorizable_type_promotion): New function.
5728 (vect_transform_stmt): Call vectorizable_type_promotion.
5729 * tree-vect-analyze.c (supportable_widening_operation): New function.
5730 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5732 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5735 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5736 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5737 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5739 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5740 * expr.c (expand_expr_real_1): Likewise.
5741 * optabs.c (optab_for_tree_code): Likewise.
5742 (init_optabs): Initialize new optabs.
5743 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5744 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5745 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5746 vec_unpacku_lo_optab): Initialize new optabs.
5747 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5748 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5749 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5751 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5752 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5753 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5754 (vec_unpacku_lo_optab): New optabs.
5755 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5756 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5757 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5758 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5759 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5760 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5762 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5763 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5764 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5765 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5766 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5767 implement the unsigned unpacking patterns.
5768 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5769 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5770 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5771 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5772 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5773 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5774 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5775 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5776 multiplication patterns.
5778 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5779 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5780 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5781 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5782 (rs6000_builtin_mul_widen_odd): New.
5783 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5784 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5785 * tree-vectorizer.h (enum vect_relevant): New enum type.
5786 (_stmt_vec_info): Field relevant chaned from bool to enum
5788 (STMT_VINFO_RELEVANT_P): Updated.
5789 (STMT_VINFO_RELEVANT): New.
5790 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5791 instead of STMT_VINFO_RELEVANT_P.
5792 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5793 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5794 and boolean variable with enum vect_relevant.
5795 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5796 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5797 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5799 2006-11-08 Richard Henderson <rth@redhat.com>
5801 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5802 vec_widen_umult_lo_v8hi): New.
5803 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5804 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5806 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5807 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5808 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5809 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5810 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5811 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5812 vec_unpacks_lo_v4si): New.
5814 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5816 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5817 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5818 (vect_analyze_operations): Call vectorizable_type_demotion.
5819 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5820 stmt_vec_info_type value.
5821 (vectorizable_type_demotion): New function declaration.
5822 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5825 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5826 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5828 * tree-iniline.c (estimate_num_insns_1): Likewise.
5829 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5830 * optabs.c (optab_for_tree_code): Likewise.
5832 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5833 compared against the predicate of the result is not 'mode' (the input
5834 to the function) but a mode with half the size of 'mode'.
5835 (init_optab): Initialize new optabs.
5836 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5838 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5840 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5841 (vec_pack_usat_optab): Initialize new optabs.
5842 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5843 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5845 2006-11-08 Richard Henderson <rth@redehat.com>
5847 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5848 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5849 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5850 (vec_interleave_highv4si, vec_interleave_lowv4si):
5851 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5853 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5855 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5857 (vect_transform_stmt): Removed redundant code.
5859 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5861 * tree-vect-transform.c (vectorizable_operation): Support multiple
5864 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5866 * tree-vect-transform.c (vect_align_data_ref): Removed.
5867 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5868 Updated function documentation. Return the increment stmt in ptr_incr.
5869 (bump_vector_ptr): New function.
5870 (vect_get_vec_def_for_stmt_copy): New function.
5871 (vect_finish_stmt_generation): Create a stmt_info to newly created
5873 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5875 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5876 VF is greater than the number of elements that can fit in one vector
5878 (vectorizable_operation, vectorizable_condition): Likewise.
5879 (vectorizable_store, vectorizable_load): Support the case that the VF
5880 is greater than the number of elements that can fit in one vector word.
5881 (vect_transform_loop): Don't fail in case of multiple data-types.
5882 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5883 in case of multiple data-types; the smallest type determines the VF.
5884 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5885 if they are of different sizes.
5886 (vect_update_misalignment_for_peel): Compare misalignments in terms of
5887 number of elements rather than number of bytes.
5888 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5889 (vect_can_advance_ivs_p): Fix a dump printout
5891 2006-11-07 Eric Christopher <echristo@apple.com>
5893 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5894 (__bswapsi2): Ditto.
5895 * libgcc2.h: Remove transformation of bswap routines.
5896 * config/i386/i386.md (bswapsi2): New.
5899 2006-11-07 Jakub Jelinek <jakub@redhat.com>
5901 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5902 (handle_gnu_inline_attribute): New function.
5903 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5904 (merge_decls, start_decl, start_function): Likewise.
5905 * doc/extend.texi: Document gnu_inline attribute.
5907 2006-11-07 Steve Ellcey <sje@cup.hp.com>
5910 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5911 _fixunstfdi, and _floatditf
5913 2006-11-06 Anatoly Sokolov <aesok@post.ru>
5915 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5917 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5918 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5919 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5920 which start in an odd register.
5922 2006-11-07 Richard Sandiford <richard@codesourcery.com>
5924 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5926 2006-11-07 Josh Conner <jconner@apple.com>
5928 * doc/invoke.texi (fstrict-aliasing): Move implementation
5930 * doc/tree-ssa.texi (Alias analysis): ...here.
5932 2006-11-07 Richard Guenther <rguenther@suse.de>
5934 PR tree-optimization/29610
5935 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5936 of tree_purge_dead_eh_edges as it may free dominators.
5938 * g++.dg/other/pr29610.C: New testcase.
5940 2006-11-07 David Ung <davidu@mips.com>
5942 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5943 costs when optimizing for size.
5944 (override_options): Use mips_rtx_cost_optimize_size table for cost
5947 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5949 * gcc.c (process_command): Treat -b as normal switch if its argument
5952 2006-11-07 David Ung <davidu@mips.com>
5954 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5957 2006-11-06 Eric Christopher <echristo@apple.com>
5959 * config.gcc: Add x86_64-darwin host support.
5960 * config.host: Ditto.
5961 * config/i386/darwin64.h: New file.
5962 * config/i386/t-darwin64: Ditto.
5964 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5966 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5967 and output-exists-not.
5969 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5972 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5973 checking for overflow.
5975 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5977 * configure.ac: Fixed typo in case statement: :: changed to ;;
5979 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5981 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5982 count_leading_zeros, and count_trailing_zeros.
5983 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5984 (TARGET_FOLD_BUILTIN): Define.
5985 (TARGET_EXPAND_BUILTIN): Define.
5986 (xtensa_init_builtins): New.
5987 (xtensa_fold_builtin): New.
5988 (xtensa_expand_builtin): New.
5989 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5990 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5991 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5992 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5993 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5994 (any_extend): New code macro.
5995 (u, su): New code attributes.
5996 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5997 (nsau): Remove; replaced by clzsi2.
5998 (ffssi2): Use clzsi2.
5999 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
6000 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
6001 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
6002 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
6003 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
6005 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
6007 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
6009 * config/arm/t-strongarm-elf: Likewise.
6010 * config/arm/t-pe: Likewise.
6011 * config/arm/t-arm-elf: Likewise.
6012 * config/arm/t-xscale-elf: Likewise.
6013 * config/arm/t-arm-coff: Likewise.
6014 * config/arm/t-xscale-coff: Likewise.
6015 * config/arm/t-wince-pe: Likewise.
6017 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
6019 * config/sh/lib1funcs-4-300.asm: Guard entire file with
6022 2006-11-05 Jakub Jelinek <jakub@redhat.com>
6025 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
6028 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
6031 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
6032 as a valid 80387 constant.
6033 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
6034 * config/i386/i386.md (unnamed splitter): Split the load of
6035 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
6038 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
6040 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
6041 from the soft-frame, argument and virtual registers.
6043 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
6045 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
6046 patterns for standard 80387 constants.
6048 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
6049 Steven Bosscher <steven@gcc.gnu.org>
6051 * fwprop.c: New file.
6052 * Makefile.in: Add fwprop.o.
6053 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
6054 * passes.c (init_optimization_passes): Schedule forward propagation.
6055 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
6057 * timevar.def (TV_FWPROP): New.
6058 * common.opt (-fforward-propagate): New.
6059 * opts.c (decode_options): Enable forward propagation at -O2.
6060 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
6061 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
6062 canon_for_address, table_size): Remove.
6063 (new_basic_block, insert, remove_from_table): Remove references to
6065 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
6066 simplification loop more straightforward by not calling fold_rtx
6068 (equiv_constant): Move here a small part of fold_rtx_subreg,
6069 do not call fold_rtx. Call avoid_constant_pool_reference
6071 * recog.h (canonicalize_change_group): New.
6073 * doc/invoke.texi (Optimization Options): Document fwprop.
6074 * doc/passes.texi (RTL passes): Document fwprop.
6076 2006-11-03 Geoffrey Keating <geoffk@apple.com>
6078 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
6079 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
6080 (grokdeclarator): Likewise.
6082 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
6084 * tree-dump.c (dump_enable_all): Rename local variable
6085 ir_type to avoid name conflicts.
6086 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
6087 instead of using ir_type().
6088 * profile.c (tree_register_profile_hooks): Likewise.
6089 * value-prof.c (tree_register_value_prof_hooks): Likewise.
6090 * basic-block.h (struct edge_def): Likewise.
6091 * config/arm/arm.c (legitimize_pic_address): Likewise.
6092 * coretypes.h (ir_type): New enum of all intermediate languages
6094 * cfghooks.c (ir_type): Rename to...
6095 (current_ir_type): ...this. Distinguish between cfgrtl and
6096 cfglayout mode when the current IR is RTL. Return enum ir_type.
6097 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
6099 2006-11-03 Paul Brook <paul@codesourcery.com>
6101 * config/arm/arm.c (arm_file_start): New function.
6102 (TARGET_ASM_FILE_START): Define.
6103 (arm_default_cpu): New variable.
6104 (arm_override_options): Set arm_default_cpu.
6106 2006-11-03 David Ung <davidu@mips.com>
6108 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
6109 PROCESSOR_24KC and PROCESSOR_24KF.
6110 * config/mips/mips.c (mips_cpu_info_table): Add processor names
6111 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
6112 (mips_rtx_cost_data): Add costs for the 24kc.
6113 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
6114 * config/mips/24k.md: Remove references to 24k and replace with
6115 uses of 24kc/24kf in the appropriate reservations.
6116 * doc/invoke.texi (MIPS Options): Updated.
6118 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
6120 * config/sh/crt1.asm: Fix #ifdef indent.
6122 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
6123 Merged from STMicroelectronics sources:
6124 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
6125 * config/sh/crt1.asm (vbr_600): Add missing #if.
6126 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
6127 * sh.opt (mfused-madd): New option.
6128 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
6129 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6130 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
6131 Remove pointless handler at VBR+0.
6132 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
6133 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
6134 fr7. Make sure the timer handler is called with the correct FPU
6135 precision setting, according to the ABI.
6136 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
6137 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
6138 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
6139 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
6140 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
6141 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
6142 zero as second operand.
6143 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
6144 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
6145 Fixed some bugs related to negative values, in particular -0
6146 and overflow at -0x80000000.
6147 * config/sh/divcost-analysis: Added sh4-300 figures.
6148 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
6149 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
6150 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
6151 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
6152 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
6153 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
6155 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
6157 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
6158 SH4-300 scheduling description & fixes to SH4-[12]00 description:
6159 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
6160 mac_mem, mem_mac, dfp_mul, fp_cmp.
6161 (insn_class, dfp_comp, any_fp_comp): Update.
6162 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
6163 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
6164 (muldf3_i): Likewise.
6165 (movsi_i): Split rI08 alternative into two separate alternatives.
6167 (movsi_ie, movsi_i_lowpart): Likewise.
6168 (movqi_i): Split ri alternative into two separate alternatives.
6170 * sh1.md (sh1_load_store, sh1_fp): Update.
6171 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
6172 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
6173 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
6174 (sh4a_fp_double_arith): Likewise.
6175 * sh4-300.md: New file.
6176 * sh.c (sh_handle_option): Handle m4-300* options.
6177 (sh_adjust_cost): Fix latency of auto-increments.
6178 Handle SH4-300 differently than other SH4s. Check for new insn types.
6179 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
6180 been set by an option.
6181 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
6182 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
6183 (mbranch-cost=): Likewise.
6184 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
6186 * sh.md (mulsf3): Remove special expansion code.
6187 (mulsf3_ie): Now a define_insn_and_split.
6188 (macsf3): Allow for TARGET_SH4.
6190 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
6191 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
6192 (expand_cbranchdi4): Likewise.
6193 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
6194 CONST_DOUBLE if the outer code is COMPARE.
6195 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
6196 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
6197 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
6198 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
6199 Remove redundant fp_{zero,one}_operand checks.
6200 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
6201 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
6202 (expand_cbranchdi4): Likewise.
6203 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
6204 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
6206 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
6208 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
6211 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
6213 * doc/invoke.texi: Fix mfp-trap-mode typo.
6215 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
6217 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
6218 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
6219 file_end_indicate_exec_stack.
6220 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
6222 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
6223 for a non-executable stack.
6224 * crti.asm: Likewise.
6225 * crtn.asm: Likewise.
6226 * libunwind.S: Likewise.
6228 2006-11-02 Ben Elliston <bje@au.ibm.com>
6230 * tree-ssa.c (warn_uninit): Use expand_location variables for
6231 locus and declaration locus.
6233 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
6236 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
6237 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
6238 cmp{eq,gt,gtu}{si,di}_media.
6239 (*cmpne0si_media): Remove.
6240 (*movsicc_umin): Adjust gen_cmp*_media call.
6241 (unordered): Change the mode of unordered and operands[1] to
6243 (seq): Adjust gen_cmp*_media calls. Make the mode of
6244 a temporary result of compare SImode if needed. If the mode
6245 of operands[0] is DImode, extend the temporary result to DImode.
6246 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
6247 (sunorderd): Change the mode of match_operand and unorderd to
6249 (cmpeq{sf,df}_media): Remove.
6250 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
6251 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
6252 and compare operation to SImode.
6254 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
6256 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
6258 (sparc64-sun-solaris2*): Likewise.
6260 2006-11-02 Paul Brook <paul@codesourcery.com>
6262 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
6263 from priority argument. Use different section for non-default
6265 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
6267 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
6270 * except.c (switch_to_exception_section): Do not cache the section
6271 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6272 and flag_function_sections is set.
6274 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6277 * builtins.c (do_mpfr_sincos): New.
6278 (fold_builtin_1): Use it to fold builtin sincos.
6280 2006-11-01 Roger Sayle <roger@eyesopen.com>
6282 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
6283 it into -D_REENTRANT.
6285 2006-11-01 Roger Sayle <roger@eyesopen.com>
6287 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
6288 whether the assembler supports taking the difference of symbols in
6289 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
6290 * configure: Regenerate.
6291 * config.in: Regenerate.
6292 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
6293 the assembler doesn't support taking the difference of symbols in
6294 different sections, i.e. we're using the native solaris assembler.
6296 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
6297 Peter Bergner <bergner@vnet.ibm.com>
6299 * doc/invoke.texi: Add cpu_type power6x
6300 (RS/6000 and PowerPC Options): Add -mmfpgpr.
6301 * config.gcc: Add cpu_type power6x.
6302 * configure.ac: Add test for mf{t,f}gpr instructions.
6303 (HAVE_AS_MFPGPR): New.
6304 * config.in: Regenerate.
6305 * configure: Regenerate.
6306 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
6307 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
6308 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
6309 and mftgpr attributes.
6310 (define_attr "cpu"): Add power6.
6311 Change instruction sequences to use new attributes.
6312 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
6313 (fix_truncdfsi2_mfpgpr): New.
6314 (floatsidf_ppc64_mfpgpr): New.
6315 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
6316 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
6317 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
6318 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
6319 (fix_truncdfsi2): Use gpc_reg_operand constraint.
6320 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
6321 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
6322 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
6323 cntlz,exts and var_delayed_compare.
6324 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6325 _ARCH_PWR6X, if features enabled.
6326 * config/rs6000/rs6000.opt (mmfpgpr): New.
6327 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
6328 (cached_can_issue_more): New variable.
6329 (processor_costs): Add power6_cost.
6330 (rs6000_sched_init): New function.
6331 (is_dispatch_slot_restricted): Deleted.
6332 (set_to_load_agen): New function.
6333 (is_load_insn,is_store_insn): New functions.
6334 (adjacent_mem_locations): New function.
6335 (insn_must_be_first_in_group): New function.
6336 (insn_must_be_last_in_group): New function.
6337 (rs6000_sched_reorder): New function.
6338 (rs6000_sched_reorder2): New function.
6339 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
6340 TARGET_SCHED_REORDER2): Define.
6341 (processor_target_table): Use PROCESSOR_POWER6 for power6.
6342 Add power6x. Add MASK_MFPGPR for power6x.
6343 (POWERPC_MASKS): Add MASK_MFPGPR.
6344 (rs6000_override_options): Set rs6000_always_hint to false
6345 for power6. Set rs6000_align_branch_targets. Replace
6346 rs6000_sched_groups check with rs6000_align_branch_targets.
6347 Use PROCESSOR_POWER6.
6348 (last_scheduled_insn): New variable.
6349 (load_store_pendulum): New variable.
6350 (rs6000_variable_issue): Set last_scheduled_insn and
6351 cached_can_issue_more.
6352 (rs6000_adjust_cost): Add power6 cost adjustments.
6353 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
6354 with insn_must_be_first_in_group. Add power6 priority adjustments.
6355 (rs6000_issue_rate): Add CPU_POWER6.
6356 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
6357 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
6358 (TARGET_MFPGPR): New.
6359 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
6360 (ASM_CPU_SPEC): Add power6x.
6361 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
6363 * config/rs6000/power6.md: New file.
6365 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
6367 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
6368 HOST_WIDE_INT_PRINT to print high and low parts. Use
6369 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
6370 printing a hexadecimal number prefix it with 0x.
6372 2006-11-01 Chris Johns <chris@contemporary.net.au>
6375 * Makefile.in (install-driver): Use exeext when installing
6376 $target-gcc-$version.
6378 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
6380 * c-common.c (flag_cpp0x): New.
6381 * c-common.h (flag_cpp0x): New.
6382 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
6383 supported, define __GXX_EXPERIMENTAL_CPP0X__.
6384 * c-opts.c (set_std_cxx0x): New.
6385 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
6386 * c.opt (std=c++0x): Document.
6387 (std=gnu++0x): Ditto.
6388 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
6389 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
6391 2006-11-01 Richard Guenther <rguenther@suse.de>
6393 * config/i386/i386.c (ix86_expand_rint): Fix issues with
6395 (ix86_expand_floorceildf_32): Likewise.
6396 (ix86_expand_floorceil): Likewise.
6397 (ix86_expand_trunc): Likewise.
6399 2006-10-31 Andrew Pinski <pinskia@gmail.com>
6401 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
6404 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
6406 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
6408 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
6410 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
6412 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
6413 * configure.ac (use_cxa_atexit): As a special case, don't test
6414 for libc definition of __cxa_atexit on mingw32
6415 * configure: Regenerate.
6416 * config.gcc (i[34567]86-pc-mingw32): Default to
6417 enable__cxa_atexit=yes.
6419 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6421 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
6423 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6426 * c-decl.c (start_struct): Don't create self-containing
6428 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6430 * config/rs6000/rs6000-protos.h
6431 (darwin_rs6000_special_round_type_align): New.
6432 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
6433 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
6435 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6437 * toplev.c (compile_file): Call final_write_globals
6438 even if there have been errors.
6440 2006-10-31 Eric Christopher <echristo@apple.com>
6441 Falk Hueffner <falk@debian.org>
6443 * doc/extend.texi (__builtin_bswap32): Document.
6444 (__builtin_bswap64): Ditto.
6445 * doc/libgcc.texi (bswapsi2): Document.
6447 * doc/rtl.texi (bswap): Document.
6448 * optabs.c (expand_unop): Don't widen a bswap.
6449 (init_optabs): Init bswap. Set libfuncs explicitly
6450 for bswapsi2 and bswapdi2.
6451 * optabs.h (OTI_bswap): New.
6452 (bswap_optab): Ditto.
6453 * genopinit.c (optabs): Handle bswap_optab.
6454 * tree.h (tree_index): Add TI_UINT32_TYPE and
6456 (uint32_type_node): New.
6457 (uint64_type_node): Ditto.
6458 * tree.c (build_common_tree_nodes_2): Initialize
6459 uint32_type_node and uint64_type_node.
6460 * builtins.c (expand_builtin_bswap): New.
6461 (expand_builtin): Call.
6462 (fold_builtin_bswap): New.
6463 (fold_builtin_1): Call.
6464 * fold-const.c (tree_expr_nonnegative_p): Return true
6466 * builtin-types.def (BT_UINT32): New.
6468 (BT_FN_UINT32_UINT32): Ditto.
6469 (BT_FN_UINT64_UINT64): Ditto.
6470 * builtins.def (BUILT_IN_BSWAP32): New.
6471 (BUILT_IN_BSWAP64): Ditto.
6472 * rtl.def (BSWAP): New.
6473 * genattrtab.c (check_attr_value): New.
6474 * libgcc2.c (__bswapSI2): New.
6475 (__bswapDI2): Ditto.
6476 * libgcc2.h (__bswapSI2): Declare.
6477 (__bswapDI2): Ditto.
6478 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
6479 * simplify-rtx.c (simplify_const_unary_operation): Return
6481 * libgcc-std.ver (__bwapsi2): Add.
6482 (__bswapdi2): Ditto.
6483 * reload1.c (eliminate_regs_1): Add bswap.
6484 (elimination_effects): Ditto.
6485 * config/i386/i386.h (x86_bswap): New.
6486 (TARGET_BSWAP): Use.
6487 * config/i386/i386.c (x86_bswap): Set.
6489 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6491 * coverage.c (coverage_checksum_string): Update comment.
6492 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
6493 of get_file_function_name.
6494 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
6495 of get_file_function_name_long.
6496 * tree.c (get_file_function_name): Rename from
6497 get_file_function_name_long; improve comment; handle 'I' and 'D'
6498 specially when the target has ctor/dtor support; remove special
6500 (get_file_function_name): Remove.
6501 * tree.h (get_file_function_name): Rename from
6502 get_file_function_name_long.
6503 (get_file_function_name): Remove prototype.
6505 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6507 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
6508 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
6510 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
6511 Call dsymutil when compiling and linking one or more source files
6514 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6517 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
6519 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6521 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
6522 inline static functions in c99 mode.
6525 * doc/extend.texi (Inline): Update.
6526 * c-tree.h (struct language_function): Remove field 'extern_inline'.
6527 * c-decl.c (current_extern_inline): Delete.
6528 (pop_scope): Adjust test for an undefined nested function.
6529 Add warning about undeclared inline function.
6530 (diagnose_mismatched_decls): Update comments. Disallow overriding
6531 of inline functions in a translation unit in C99. Allow inline
6532 declarations in C99 at any time.
6533 (merge_decls): Boolize variables. Handle C99 'extern inline'
6535 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
6536 C99 inline semantics.
6537 (start_function): Don't clear current_extern_inline. Don't set
6539 (c_push_function_context): Don't push current_extern_inline.
6540 (c_pop_function_context): Don't restore current_extern_inline.
6543 * c-typeck.c (build_external_ref): Warn about static variables
6544 used in extern inline functions.
6545 * c-decl.c (start_decl): Warn about static variables declared
6546 in extern inline functions.
6548 2006-10-31 Roger Sayle <roger@eyesopen.com>
6551 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
6552 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
6553 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
6554 or y is an even integer.
6556 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
6559 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
6560 * gthr-posix95.h (__gthread_active_p): Likewise.
6562 2006-10-31 Richard Guenther <rguenther@suse.de>
6564 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
6565 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
6566 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
6567 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
6568 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
6569 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
6570 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
6571 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
6574 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
6576 * opts.c (decode_options): Disable CSE skip blocks.
6578 2006-10-30 Dirk Mueller <dmueller@suse.de>
6580 * c-common.h (strict_aliasing_warning): Fix whitespace.
6581 * c-decl (start_function): Move code for main decl warning ..
6582 * c-common.c (check_main_parameter_types): .. here.
6583 * c-common.h (check_main_parameter_types): Declare.
6585 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6588 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6590 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
6592 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6593 be a PARALLEL containing sets. Return false when out_pat is not
6596 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6598 * config/mips/mips.md (mul<mode>3): Split into...
6599 (mulsi3, muldi3): ...these separate patterns.
6601 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6603 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6604 but with each set of options separated by spaces.
6606 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
6608 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
6609 dwarf_reg_size_table has been initialized.
6611 2006-10-30 Roger Sayle <roger@eyesopen.com>
6613 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
6614 * ddg.c (print_ddg_edge): Likewise.
6615 * dwarf2out.c (prune_unused_types_walk): Likewise.
6616 * ifcvt.c (noce_try_cmove_arith): Likewise.
6617 * langhooks.c (add_builtin_function): Likewise.
6618 * reg-stack.c (subst_stack_regs_pat): Likewise.
6619 * tree.c (expanded_location): Likewise.
6620 * tree-dump.c (dequeue_and_dump): Likewise.
6622 2006-10-30 David Daney <ddaney@avtrex.com>
6624 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6626 2006-10-30 Jakub Jelinek <jakub@redhat.com>
6628 PR tree-optimization/29637
6629 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6630 of the innertype is the innertype itself.
6632 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
6634 * dwarf2out.c (file_name_acquire): Correct typo.
6636 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
6638 * tree.h (tree_value_handle): Remove struct value_set declaration.
6639 Change value_set to bitmap_set.
6640 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6641 * tree-vn.c (get_value_handle): Made inline and moved to
6643 * tree-flow-inline.h: (has_stmt_ann): New function.
6644 * tree-ssa-pre.c (expressions): New variable.
6645 (next_expression_id): Ditto.
6646 (alloc_expression_id): New function.
6647 (struct value_set): Remove.
6648 (get_expression_id): New function.
6649 (get_or_alloc_expression_id): Ditto.
6650 (expression_for_id): Ditto.
6651 (clear_expression_ids): Ditto.
6652 (FOR_EACH_EXPR_ID_IN_SET): New macro.
6653 (bb_value_sets): Renamed to bb_bitmap_sets.
6654 All value sets replaced with bitmap_sets.
6656 (BB_VISITED): New macro.
6657 (postorder): New variable.
6658 (add_to_value): Removed.
6659 (value_exists_in_set_bitmap): Ditto.
6660 (value_insert_into_set_bitmap): Ditto.
6663 (set_remove): Ditto.
6664 (set_contains_value): Ditto.
6665 (insert_into_set): Ditto.
6667 (find_leader): Ditto.
6668 (bitmap_set_subtract_from_value_set): Ditto.
6669 (value_insert_into_set): Ditto.
6670 (print_value_set): Ditto.
6671 (debug_value_set): Ditto.
6672 (constant_expr_p): New function.
6673 (bitmap_remove_from_set): Ditto.
6674 (bitmap_insert_into_set): Ditto.
6675 (bitmap_set_free): Ditto.
6676 (vh_compare): Ditto.
6677 (sorted_array_from_bitmap_set): Ditto.
6678 (bitmap_set_subtract): Ditto.
6679 (bitmap_set_equal): Ditto.
6680 (debug_bitmap_set): Ditto.
6681 (find_leader_in_sets): Ditto.
6682 (bitmap_set_replace_value): Modify for bitmapped sets.
6683 (phi_translate): Ditto.
6684 (phi_translate_set): Ditto.
6685 (bitmap_find_leader): Ditto.
6686 (valid_in_sets): Ditto.
6687 (union_contains_value): Ditto.
6689 (compute_antic_aux): Ditto. Mark changed blocks.
6690 (compute_antic): Ditto. Iterate in postorder and only over
6692 (compute_rvuse_and_antic_safe): Reuse postorder.
6693 (create_component_ref_by_pieces): Modify for bitmapped sets.
6694 (find_or_generate_expression): Ditto.
6695 (create_expression_by_pieces): Ditto.
6696 (insert_into_preds_of_block): Ditto.
6697 (changed_blocks): New variable.
6698 (do_regular_insertion): Broken out from insert_aux.
6699 (insert_aux): Modified for bitmapped sets.
6700 (find_existing_value_expr): New function.
6701 (create_value_expr_from): Use it.
6702 (insert_extra_phis): Removed.
6703 (print_bitmap_set): Renamed from bitmap_print_value_set.
6704 (compute_avail): Handle RETURN_EXPR.
6705 (init_pre): Modify for bitmapped sets.
6706 * tree-flow.h (has_stmt_ann): New function.
6708 2006-10-29 Roger Sayle <roger@eyesopen.com>
6710 * builtins.c (fold_builtin_floor): Check for the availability of
6711 the C99 trunc function before transforming floor into trunc.
6713 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6715 * builtins.c (fold_builtin_hypot): Rearrange recursive
6716 transformation before others, and also do ABS_EXPR. When
6717 necessary, check flag_unsafe_math_optimizations. When necessary,
6720 2006-10-29 Roger Sayle <roger@eyesopen.com>
6722 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6723 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6724 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6725 Fold -X eq/ne -Y as X eq/ne Y.
6727 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6729 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6730 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6731 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6732 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6733 Use an inclusive test for "mult" rather than "mul".
6734 (rotr<mode>3): Depend on ISA_HAS_ROR.
6735 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6737 (GENERATE_MULT3_DI): Delete.
6738 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6739 (ISA_HAS_MUL3): New macro.
6740 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6741 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6742 (ISA_HAS_CLZ_CLO): Likewise.
6743 (ISA_HAS_DCLZ_DCLO): Delete.
6744 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6745 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6746 the VR4120 and VR4130.
6747 (ISA_HAS_MACCHI): Use consistent formatting.
6748 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6749 (ISA_HAS_ROR): ...this new macro.
6750 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6751 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6752 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6754 2006-10-29 Roger Sayle <roger@eyesopen.com>
6756 PR tree-optimization/15458
6757 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6760 2006-10-29 Richard Guenther <rguenther@suse.de>
6762 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6763 (ix86_expand_truncdf_32): Likewise.
6764 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6765 trunc inline for SSE math and -fno-trapping-math and if not
6766 optimizing for size.
6767 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6768 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6769 for expanding btrunc inline for SSE math.
6771 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6773 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6774 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6775 i[34567]86-*-solaris2.1[0-9]*.
6776 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6777 Define conditionally depending on TARGET_64BIT_DEFAULT.
6778 (SPEC_32, SPEC_64): Define.
6779 (LINK_SPEC): Use them.
6780 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6782 2006-10-29 Richard Guenther <rguenther@suse.de>
6784 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6785 (ix86_expand_rounddf_32): Likewise.
6786 * config/i386/i386.c (ix86_expand_round): New function expanding
6787 round inline for SSE math and -fno-trapping-math and if not
6788 optimizing for size.
6789 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6790 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6791 round via ix86_expand_round.
6793 2006-10-29 Richard Guenther <rguenther@suse.de>
6795 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6796 (ix86_expand_floorceildf_32): Likewise.
6797 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6798 static helper function.
6799 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6801 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6802 * config/i386/i386.md (floordf2): Adjust to enable floor
6803 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6804 -fno-trapping-math is enabled and if not optimizing for size.
6805 (floorsf2, ceildf2, ceilsf2): Likewise.
6806 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6807 (sse2_maskcmpdf3): Likewise.
6809 2006-10-29 Richard Guenther <rguenther@suse.de>
6811 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6812 rint in case -fno-trapping-math is enabled.
6813 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6814 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6815 (ix86_expand_sse_fabs): Likewise.
6816 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6817 * config/i386/i386.md (rintdf2): Enable for SSE math if
6818 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6819 (rintsf2): Likewise.
6821 2006-10-29 Richard Guenther <rguenther@suse.de>
6823 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6824 to conversion optabs.
6825 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6826 as conversion optab.
6827 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6828 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6829 (lfloor_optab, lceil_optab): Adjust defines.
6830 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6831 lfloor and lceil optabs now being conversion optabs.
6832 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6833 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6834 New static helper function.
6835 (ix86_expand_lfloorceil): New function to expand lfloor and
6837 * config/i386/i386.md (lfloor<mode>2): Split into ...
6838 (lfloorxf<mode>2): ... x87 variant
6839 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6840 using ix86_expand_lfloorceil.
6841 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6843 * doc/md.texi (lfloorMN, lceilMN): Document.
6845 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6847 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6848 -mno-shared assembler option on mips targets.
6849 * configure, config.in: Regenerate.
6850 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6851 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6852 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6854 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6856 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6857 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6859 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6861 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6862 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6865 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6868 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6869 (fold_builtin_pow): Evaluate constant arguments at compile-time
6871 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6872 (do_mpfr_ckconv): New helper function.
6873 (do_mpfr_arg1): Use do_mpfr_ckconv.
6874 (do_mpfr_arg2): New.
6876 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
6879 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6880 (-fdump-rtl-sched): Rename to ..
6881 (-fdump-rtl-sched1): here. Also fix file extension number.
6883 2006-10-28 Richard Guenther <rguenther@suse.de>
6885 * fold-const.c (maybe_canonicalize_comparison): Fix code
6888 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6890 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6891 (NON_QI_REG_P): Use IN_RANGE.
6892 (REX_INT_REGNO_P): Use IN_RANGE.
6893 (FP_REGNO_P): Use IN_RANGE.
6894 (SSE_REGNO_P): Use IN_RANGE.
6895 (REX_SSE_REGNO_P): Use IN_RANGE.
6896 (MMX_REGNO_P): Use IN_RANGE.
6897 (STACK_REGNO_P): New macro.
6898 (STACK_REG_P): Use STACK_REGNO_P.
6899 (NON_STACK_REG_P): Use STACK_REGNO_P.
6900 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6901 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6902 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6903 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6904 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6906 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
6908 * except.h (output_function_exception_table): Add 'const char*' param.
6909 * except.c (switch_to_exception_section): Add 'const char*' param.
6910 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6911 and flag_function_sections is set, use a function-specific section.
6912 (output_function_exception_table): Add 'const char*' param.
6913 Adjust call to switch_to_exception_section.
6914 * final.c (rest_of_handle_final): Adjust calls to
6915 output_function_exception_table.
6916 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6917 * config.in: Regenerate.
6918 * configure: Likewise.
6920 2006-10-28 Richard Guenther <rguenther@suse.de>
6923 * fold-const.c (maybe_canonicalize_comparison_1): Helper
6924 for maybe_canonicalize_comparison.
6925 (maybe_canonicalize_comparison): New function for canonicalizing
6927 (fold_comparison): Call it to canonicalize comparisons with
6930 2006-10-28 Richard Guenther <rguenther@suse.de>
6933 * builtins.c (expand_builtin_int_roundingfn_2): Expand
6934 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6935 (expand_builtin): Adjust likewise.
6936 * genopinit.c (optabs[]): Add lround optab.
6937 * optabs.c (init_optabs): Initialize lround_optab.
6938 * optabs.h (enum convert_optab_index): Add COI_lround.
6939 (lround_optab): Define.
6940 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6941 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6943 (ix86_expand_lround): New function.
6944 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6946 * doc/md.texi (lroundMN2): Document.
6948 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6951 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6952 argument to HOST_WIDE_INT. Update function prototype.
6953 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6954 "size" argument to HOST_WIDE_INT. Update function prototype.
6956 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6958 * config/i386/i386.c (output_387_ffreep): Create output from a
6959 template string for !HAVE_AS_IX86_FFREEP.
6961 2006-10-27 Eric Christopher <echristo@apple.com>
6963 * config/darwin.c: Fix formatting and grammar.
6965 2006-10-27 Jan Hubicka <jh@suse.cz>
6967 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6968 to be thrown away soon when IGNORE is set.
6969 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6970 indicating when return value shall not be computed.
6971 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6973 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6975 * config/i386/i386.h (TARGET_GEODE):
6976 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6977 (TARGET_CPU_DEFAULT_geode): New macro.
6978 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6979 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6980 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6981 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6982 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6984 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6985 (processor_type): Add PROCESSOR_GEODE.
6987 * config/i386/i386.md: Include geode.md.
6990 * config/i386/i386.c (geode_cost): New initialized global
6992 (m_GEODE, m_K6_GEODE): New macros.
6993 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6994 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6995 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6996 x86_schedule): Use m_K6_GEODE instead of m_K6.
6997 (x86_movx, x86_cmove): Set up m_GEODE.
6998 (x86_integer_DFmode_moves): Clear m_GEODE.
6999 (processor_target_table): Add entry for geode.
7000 (processor_alias_table): Ditto.
7002 * config/i386/geode.md: New file.
7004 * doc/invoke.texi: Add entry about geode processor.
7006 2006-10-27 Mike Stump <mrs@apple.com>
7008 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
7009 __DYNAMIC__ from here back to ...
7010 * config/darwin.h (CPP_SPEC): ... here.
7012 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
7013 Nathan Sidwell <nathan@codesourcery.com>
7015 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
7016 when choosing the minimum heapsize.
7018 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
7020 * gcc/unwind-dw2.h: Move cfa-related variables into
7021 struct frame_state_reg_info to ensure that the CFA is properly
7022 handled when executing DW_CFA_{remember,restore}_state.
7023 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
7024 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
7025 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
7026 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
7027 gcc/config/rs6000/linux-unwind.h,
7028 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
7029 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
7030 Modify to use new cfa_* fields.
7032 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
7034 * config/s390/s390.c (s390_init_frame_layout): Check positive
7037 2006-10-26 Ben Elliston <bje@au.ibm.com>
7039 * gimplify.c (get_name): Remove extraneous break.
7040 (gimplify_omp_for): Initialise ret with GS_OK.
7042 2006-10-25 Steve Ellcey <sje@cup.hp.com>
7044 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
7045 Add unix98.o to link line.
7047 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7050 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
7051 Calculate compile-time constants using MPFR.
7052 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
7053 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
7055 2006-10-25 Bob Wilson <bob.wilson@acm.org>
7057 * config/xtensa/lib2funcs.S: Use C-style comments.
7059 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
7061 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
7062 (file_table_relative_p): Likewise.
7063 (dwarf2out_finish): Likewise.
7064 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
7066 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
7068 * tree-ssa-structalias.c (intra_create_variable_infos):
7069 Don't recreate nonlocal_all if it already exists.
7071 2006-10-25 Richard Guenther <rguenther@suse.de>
7074 * optabs.h (enum optab_index): Remove OTI_lrint.
7075 (enum convert_optab_index): Add COI_lrint.
7076 (lrint_optab): Adjust.
7077 (expand_sfix_optab): Declare.
7078 * optabs.c (expand_sfix_optab): New function.
7079 (init_optabs): Init lrint_optab as conversion optab.
7080 * genopinit.c (lrint_optab): Change to a conversion optab.
7081 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
7082 expansion via conversion optab.
7083 * config/i386/i386.md (*fistdi2_1): Remove
7084 flag_unsafe_math_optimizations guard.
7085 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
7086 fist<mode>2_with_temp): Likewise.
7087 (lrint<mode>2): Split into...
7088 (lrintxf<mode>2): ... x87 part
7089 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
7090 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
7091 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
7092 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
7093 * doc/md.texi (lrintMN2): Document.
7095 2006-10-25 Uros Bizjak <uros@kss-loka.si>
7098 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
7099 Use inc and dec instructions for TARGET_USE_INCDEC.
7100 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
7101 ("sync_double_compare_and_swap<mode>"): Likewise.
7102 ("*sync_double_compare_and_swapdi_pic"): Likewise.
7103 ("*sync_compare_and_swap_cc<mode>"): Likewise.
7104 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
7105 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
7106 ("sync_old_add<mode>"): Likewise.
7107 ("sync_lock_test_and_set<mode>"): Likewise.
7108 ("sync_lock_test_and_set<mode>"): Likewise.
7109 ("sync_add<mode>"): Likewise.
7110 ("sync_sub<mode>"): Likewise.
7111 ("sync_ior<mode>"): Likewise.
7112 ("sync_and<mode>"): Likewise.
7113 ("sync_xor<mode>"): Likewise.
7115 2006-10-25 Uros Bizjak <uros@kss-loka.si>
7117 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
7118 (remainder_optab): Define corresponding macro.
7119 (drem_optab): Remove.
7120 * optabs.c (init_optabs): Initialize remainder_optab. Remove
7121 drem_optab initialization.
7122 * genopinit.c (optabs): Implement remainder_optab using
7123 remainder?f3 patterns. Remove drem_optab.
7124 * builtins.c (expand_builtin_mathfn_2): Handle
7125 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
7126 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
7127 expand_builtin_mathfn_2.
7129 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
7130 depend on flag_unsafe_math_optimizations.
7132 * config/i386/i386.md ("remaindersf3", "remainderdf3")
7133 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
7134 Do not depend on flag_unsafe_math_optimizations. Use
7135 truncxf?f expander instead of truncxf?f_i387_noop.
7137 ("fpremxf4", "fprem1xf4"): Do not depend on
7138 flag_unsafe_math_optimizations.
7139 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
7140 flag_unsafe_math_optimizations. Use truncxf?f expander
7141 instead of truncxf?f_i387_noop.
7143 * doc/md.texi (fmod, remainder): Document standard named pattern.
7145 2006-10-24 Richard Sandiford <richard@codesourcery.com>
7146 David Daney <ddaney@avtrex.com>
7149 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
7151 2006-10-25 Ben Elliston <bje@au.ibm.com>
7153 * doc/extend.texi (Variable Attributes): Typo fix.
7155 2006-10-24 Uros Bizjak <uros@kss-loka.si>
7157 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
7158 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
7159 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
7160 (FRAME_POINTER_REGNUM): Update register number to 21.
7161 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
7162 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
7164 * config/i386/i386.c (regclass_map): Add fpcr entry.
7165 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
7167 (print_reg): Assert REGNO (x) != FPCR_REG.
7169 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
7170 (DIRFLAG_REG): Renumber.
7171 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
7172 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
7173 (sse_prologue_save, *sse_prologue_save_insn): Renumber
7174 hardcoded SSE register numbers.
7176 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
7177 hardcoded MMX register numbers.
7179 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7182 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
7183 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
7185 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
7186 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
7187 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
7188 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
7190 2006-10-24 Richard Guenther <rguenther@suse.de>
7193 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
7194 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
7195 for deciding optimizations in consistency with fold-const.c
7196 (fold_builtin_unordered_cmp): Likewise.
7198 2006-10-24 Richard Guenther <rguenther@suse.de>
7200 * builtins.c (fold_builtin_floor): Fold floor (x) where
7201 x is nonnegative to trunc (x).
7202 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
7203 nonnegative to FIX_TRUNC_EXPR.
7205 2006-10-24 Richard Guenther <rguenther@suse.de>
7207 PR tree-optimization/29567
7208 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
7209 for TRUTH_NOT_EXPR. Clarify comments.
7211 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7214 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
7215 at compile-time using MPFR. Change parameter VALUE to FUNC,
7217 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
7218 for overflow and underflow at all times and avoid folding in
7221 2006-10-24 Ben Elliston <bje@au.ibm.com>
7223 * reload1.c: Formatting fixes.
7225 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
7227 PR tree-optimization/14784
7228 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
7229 * tree-ssa-structalias.c (get_constraint_for,
7230 intra_create_variable_infos): Set is_heapvar.
7231 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
7232 non-heapvar pointer variables specially.
7234 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7237 * builtins.c (fold_builtin_sin, fold_builtin_cos,
7238 fold_builtin_tan): Fold all constant arguments. Take a "type"
7239 argument as necessary.
7240 (do_mpfr_arg1): New.
7241 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
7243 2006-10-23 Bob Wilson <bob.wilson@acm.org>
7245 * config/xtensa/lib1funcs.asm: Use C-style comments.
7247 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
7249 * tree.c (local_define_builtin): Replace calls to
7250 lang_hooks.builtin_function with add_builtin_function.
7251 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
7253 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
7255 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
7256 common code to add_builtin_function.
7257 * langhooks.c (add_builtin_function): New function.
7258 (lhd_builtin_function): New function.
7259 * langhooks.h (struct lang_hooks): Change the signature of
7261 (add_builtin_function): New function.
7262 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
7263 calls to lang_hooks.builtin_function with add_builtin_function.
7264 * c-common.c (decl_builtin_1): Replace calls to
7265 lang_hooks.builtin_function with add_builtin_function.
7266 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
7267 lang_hooks.builtin_function with add_builtin_function.
7268 * config/frv/frv.c (def_builtin): Replace calls to
7269 lang_hooks.builtin_function with add_builtin_function.
7270 * config/s390/s390.c (s390_init_builtins): Replace calls to
7271 lang_hooks.builtin_function with add_builtin_function.
7272 * config/sparc/sparc.c (def_builtin): Replace calls to
7273 lang_hooks.builtin_function with add_builtin_function.
7274 * config/i386/i386.c (def_builtin): Replace calls to
7275 lang_hooks.builtin_function with add_builtin_function.
7276 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
7277 lang_hooks.builtin_function with add_builtin_function.
7278 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
7279 lang_hooks.builtin_function with add_builtin_function.
7280 * config/stormy16/stormy16.c (xstormy16_init_builtins):
7281 Replace calls to lang_hooks.builtin_function with
7282 add_builtin_function.
7283 * config/iq2000/iq2000.c (def_builtin):
7284 Replace calls to lang_hooks.builtin_function with
7285 add_builtin_function.
7286 * config/ia64/ia64.c (def_builtin): Replace calls to
7287 lang_hooks.builtin_function with add_builtin_function.
7288 * config/rs6000/rs6000.c (def_builtin): Replace calls to
7289 lang_hooks.builtin_function with add_builtin_function.
7290 (altivec_init_builtins): Replace calls to
7291 lang_hooks.builtin_function with add_builtin_function.
7292 * config/arm/arm.c (def_mbuiltin): Replace calls to
7293 lang_hooks.builtin_function with add_builtin_function.
7294 (arm_init_tls_builtins): Replace calls to
7295 lang_hooks.builtin_function with add_builtin_function.
7296 * config/mips/mips.c (mips_init_builtins): Replace calls to
7297 lang_hooks.builtin_function with add_builtin_function.
7298 * config/bfin/bfin.c (def_builtin): Replace calls to
7299 lang_hooks.builtin_function with add_builtin_function.
7300 * langhooks-def.h (lhd_builtin_function): New function.
7301 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
7303 2006-10-23 Jakub Jelinek <jakub@redhat.com>
7305 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
7306 BUILT_IN_STRNCAT_CHK.
7308 2006-10-23 Jan Hubicka <jh@suse.cz>
7310 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
7311 don't do conversion from memmove to memcpy here.
7312 (expand_builtin_bcopy, expand_builtin): Update call of
7313 expand_builtin_memmove.
7314 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
7316 2006-10-23 Paul Brook <paul@codesourcery.com>
7318 * stor-layout.c (start_record_layout): maximum_field_alignment
7319 overrides STRUCTURE_SIZE_BOUNDARY.
7321 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
7323 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
7324 nonlocal function symbols if flag_pic.
7326 2006-10-23 Richard Guenther <rguenther@suse.de>
7330 * builtins.c (fold_binary): Remove checks for flag_wrapv
7331 and flag_trapv where negate_expr_p covers these cases.
7333 2006-10-23 Richard Guenther <rguenther@suse.de>
7336 * fold-const.c (fold_plusminus_mult_expr): Check exact power
7337 of two on the absolute value.
7338 (fold_binary): Fold x * -C to -x * C if x is easily negatable
7339 and negating -C does not overflow.
7341 2006-10-23 Richard Guenther <rguenther@suse.de>
7344 * convert.c (convert_to_real): Fold (float)-x to -(float)x
7345 only if not flag_rounding_math.
7347 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7348 Kaz Kojima <kkojima@gcc.gnu.org>
7351 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
7352 SImode memory reference for the source of a movua.
7353 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
7354 (movua): Use an unspec instead of sign_extract. Expect the source
7355 to have mode BLKmode.
7356 (extv, insv): Use a BLKmode rather than SImode memory reference
7357 for the source of a movua.
7359 2006-10-22 Jeff Law <law@redhat.com>
7360 Richard Guenther <rguenther@suse.de>
7362 PR tree-optimization/15911
7363 * tree-vrp.c (extract_code_and_val_from_cond): New function.
7364 (register_edge_assert_for_1): Likewise.
7365 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
7366 (find_conditional_asserts): Adjust for new function signature.
7367 (find_assert_locations): Likewise.
7369 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7371 * config/i386/tmmintrin.h: Remove the duplicated content.
7373 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7375 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
7376 (x86_64-*-*): Likewise.
7378 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
7379 (override_options): Check SSSE3.
7380 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
7381 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
7382 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
7383 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
7384 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
7385 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
7386 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
7387 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
7388 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
7389 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
7390 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
7391 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
7392 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
7393 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
7394 IX86_BUILTIN_PABSD128.
7395 (bdesc_2arg): Add SSSE3.
7396 (bdesc_1arg): Likewise.
7397 (ix86_init_mmx_sse_builtins): Support SSSE3.
7398 (ix86_expand_builtin): Likewise.
7399 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7401 * config/i386/i386.md (UNSPEC_PSHUFB): New.
7402 (UNSPEC_PSIGN): Likewise.
7403 (UNSPEC_PALIGNR): Likewise.
7404 Include mmx.md before sse.md.
7406 * config/i386/i386.opt: Add -mssse3.
7408 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
7409 (ssse3_phaddwv4hi3): Likewise.
7410 (ssse3_phadddv4si3): Likewise.
7411 (ssse3_phadddv2si3): Likewise.
7412 (ssse3_phaddswv8hi3): Likewise.
7413 (ssse3_phaddswv4hi3): Likewise.
7414 (ssse3_phsubwv8hi3): Likewise.
7415 (ssse3_phsubwv4hi3): Likewise.
7416 (ssse3_phsubdv4si3): Likewise.
7417 (ssse3_phsubdv2si3): Likewise.
7418 (ssse3_phsubswv8hi3): Likewise.
7419 (ssse3_phsubswv4hi3): Likewise.
7420 (ssse3_pmaddubswv8hi3): Likewise.
7421 (ssse3_pmaddubswv4hi3): Likewise.
7422 (ssse3_pmulhrswv8hi3): Likewise.
7423 (ssse3_pmulhrswv4hi3): Likewise.
7424 (ssse3_pshufbv16qi3): Likewise.
7425 (ssse3_pshufbv8qi3): Likewise.
7426 (ssse3_psign<mode>3): Likewise.
7427 (ssse3_psign<mode>3): Likewise.
7428 (ssse3_palignrti): Likewise.
7429 (ssse3_palignrdi): Likewise.
7430 (abs<mode>2): Likewise.
7431 (abs<mode>2): Likewise.
7433 * config/i386/tmmintrin.h: New file.
7435 * doc/extend.texi: Document SSSE3 built-in functions.
7437 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
7439 2006-10-22 Ira Rosen <irar@il.ibm.com>
7441 * tree-vect-transform.c (vectorizable_load): Use the type of the
7442 return value of the mask_for_load builtin to create realign_load
7445 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7447 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
7450 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
7452 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
7453 (UNSPEC_LDDQU): This.
7454 * config/i386/sse.md (sse3_lddqu): Updated.
7456 2006-10-21 Richard Guenther <rguenther@suse.de>
7458 * builtins.c (expand_builtin_int_roundingfn_2): New function.
7459 (expand_builtin): Use it to expand lrint instead of
7460 expand_builtin_mathfn.
7462 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7465 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
7466 flag_unsafe_math_optimizations is set.
7468 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7471 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
7472 patterns to use memory input operand in x87->mem->XMM
7473 reload sequences. Skip transformation for TARGET_K8.
7475 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7477 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
7478 force operand1 to register if both operands are memory operands.
7479 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
7480 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
7481 if both operands are memory operands.
7482 (truncdfsf2): Do not force operand1 to register if both operands
7483 are memory operands.
7485 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7487 * Makefile.in (LIBS): Add $(GMPLIBS).
7488 * doc/install.texi: Update GMP and MPFR requirements.
7489 * doc/sourcebuild.texi (need_gmp): Delete.
7491 2006-10-21 Richard Guenther <rguenther@suse.de>
7493 PR tree-optimization/3511
7494 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
7495 got new invariant arguments during PHI translation.
7497 2006-10-21 Richard Guenther <rguenther@suse.de>
7500 * fold-const.c (fold_comparison): Fold signed comparisons
7501 of the form X +- C1 CMP Y +- C2.
7503 2006-10-21 Richard Guenther <rguenther@suse.de>
7506 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
7507 if flag_unsafe_math_optimizations is specified. We have
7508 flag_finite_math_only for that.
7509 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
7510 or flag_unsafe_math_optimizations.
7512 2006-10-21 Richard Guenther <rguenther@suse.de>
7514 * builtins.c (fold_builtin_classify): Fix typo.
7516 2006-10-21 Richard Guenther <rguenther@suse.de>
7519 * simplify-rtx.c (simplify_const_relational_operation):
7520 Do not constant-fold ORDERED and UNORDERED for
7521 flag_unsafe_math_optimizations but only we do not need to
7522 honor NaNs for the given mode.
7524 2006-10-21 Richard Guenther <rguenther@suse.de>
7527 * config/i386/i386.c (classify_argument): Remove redundant
7528 walking of the BINFOs.
7529 (contains_128bit_aligned_vector_p): Likewise.
7531 2006-10-20 Mark Mitchell <mark@codesourcery.com>
7533 * BASE-VER: Set to 4.3.0.
7535 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
7537 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
7538 (tree_decl_with_vis): Remove artificial_pta_var flag.
7539 * tree-flow.h (referenced_var_check_and_insert): Expose.
7540 (nonlocal_all): New prototype.
7541 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
7542 (nonlocal_all): Make global.
7543 (nonlocal_lookup): Remove.
7544 (nonlocal_insert): Ditto.
7545 (create_nonlocal_var): Do not call nonlocal_insert.
7546 (get_nonlocal_id_for_type): Remove.
7547 (find_global_initializers): Mark new vars we find for renaming.
7548 (intra_create_variable_infos): Only create one nonlocal.
7549 (expand_nonlocal_solutions): Remove.
7550 (compute_points_to_sets): Don't call it.
7551 (ipa_pta_execute): Ditto.
7552 (init_alias_heapvars): Don't create nonlocal_for_type.
7553 (delete_alias_heapvars): Don't remove it.
7554 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
7557 2006-10-19 Brooks Moses <bmoses@stanford.edu>
7559 * doc/install.texi (Downloading GCC): Clarify mention of
7560 Fortran in the "full distribution" description.
7562 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
7564 Fix PR tree-optimization/28778
7565 Fix PR tree-optimization/29156
7566 Fix PR tree-optimization/29415
7567 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
7568 (tree_decl_with_vis): Add artificial_pta_var flag.
7569 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
7570 pushed into callers.
7571 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
7572 (nonlocal_all): Ditto.
7573 (struct variable_info): Add directly_dereferenced member.
7574 (var_escaped_vars): New variable.
7575 (escaped_vars_tree): Ditto.
7576 (escaped_vars_id): Ditto.
7577 (nonlocal_vars_id): Ditto.
7578 (new_var_info): Set directly_dereferenced.
7579 (graph_size): New variable
7580 (build_constraint_graph): Use graph_size.
7581 (solve_graph): Don't process constraints that cannot change the
7582 solution, don't try to propagate an empty solution to our
7584 (process_constraint): Set directly_dereferenced.
7585 (could_have_pointers): New function.
7586 (get_constraint_for_component_ref): Don't process STRING_CST.
7587 (nonlocal_lookup): New function.
7588 (nonlocal_insert): Ditto.
7589 (create_nonlocal_var): Ditto.
7590 (get_nonlocal_id_for_type): Ditto.
7591 (get_constraint_for): Allow results vector to be empty in the case
7592 of string constants.
7593 Handle results of calls properly.
7594 (update_alias_info): Update alias info stats on number and type of
7596 (find_func_aliases): Use could_have_pointers.
7597 (make_constraint_from_escaped): Renamed from
7598 make_constraint_to_anything, and changed to make constraints from
7600 (make_constraint_to_escaped): New function.
7601 (find_global_initializers): Ditto.
7602 (create_variable_info_for): Make constraint from escaped to any
7603 global variable, and from any global variable to the set of
7605 (intra_create_variable_infos): Deal with escaped instead of
7606 pointing to anything.
7607 (set_uids_in_ptset): Do type pruning on directly dereferenced
7609 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
7610 (init_base_vars): Fix comment, and initialize escaped_vars.
7611 (need_to_solve): Removed.
7612 (find_escape_constraints): New function.
7613 (expand_nonlocal_solutions): Ditto.
7614 (compute_points_to_sets): Call find_escape_constraints and
7615 expand_nonlocal_solutions.
7616 (delete_points_to_sets): Don't fall off the end of the graph.
7617 (init_alias_heapvars): Initialize nonlocal_for_type and
7619 (delete_alias_heapvars): Free nonlocal_for_type and null out
7622 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
7624 * fold-const.c (add_double): Rename to add_double_with_sign.
7625 Add 'unsigned_p' parameter and take it into account for the overflow.
7626 (mul_double): Rename to mul_double_with_sign.
7627 Add 'unsigned_p' parameter and take it into account for the overflow.
7628 (fold_div_compare): Call add_double_with_sign instead of add_double
7629 and mul_double_with_sign instead of mul_double, passing them the
7630 unsignedness of the type.
7631 * tree.h (add_double): Macroize.
7632 (add_double_with_sign): New prototype.
7633 (mul_double): Macroize.
7634 (mul_double_with_sign): New prototype.
7636 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
7638 * config/score/crti.asm: New file.
7639 * config/score/crtn.asm: New file.
7640 * config/score/elf.h: New file.
7641 * config/score/mac.md: New file.
7642 * config/score/misc.md: New file.
7643 * config/score/mul-div.S: New file.
7644 * config/score/predicates.md: New file.
7645 * config/score/score7.md: New file.
7646 * config/score/score.c: New file.
7647 * config/score/score-conv.h: New file.
7648 * config/score/score.h: New file.
7649 * config/score/score.md: New file.
7650 * config/score/score-mdaux.c: New file.
7651 * config/score/score-mdaux.h: New file.
7652 * config/score/score-modes.def: New file.
7653 * config/score/score.opt: New file.
7654 * config/score/score-protos.h: New file.
7655 * config/score/score-version.h: New file.
7656 * config/score/t-score-elf: New file.
7657 * config.gcc: Add score*-*-* configurations(Update before).
7658 * doc/invoke.texi (Score Options): New section.
7659 * doc/md.texi (Score family): New section to document constraints.
7661 2006-10-19 Nick Clifton <nickc@redhat.com>
7663 * config/arm/arm.c: Fix spelling typo.
7665 2006-10-18 Tom Tromey <tromey@redhat.com>
7667 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7669 2006-10-18 Jan Hubicka <jh@suse.cz>
7672 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7675 2006-10-18 Marcin Dalecki <martin@dalecki.de>
7677 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7678 TSI_SAME_STMT, since that's the desired entity.
7680 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
7682 * config/s390/contraints.md: New file.
7683 * config/s390/s390-protos.h (s390_mem_constraint,
7684 s390_O_constraint_str, s390_N_constraint_str,
7685 s390_float_const_zero_p): Function prototypes added.
7686 * config/s390/s390.c (s390_extra_constraint_str,
7687 s390_const_double_ok_for_constraint_p,
7688 s390_const_ok_for_constraint_p): Functions removed.
7689 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7690 s390_float_const_zero_p): New functions.
7691 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7692 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7693 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7694 Macro definitions removed.
7695 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7696 s390_extra_constraint_str): Functions removed.
7698 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
7699 Richard Sandiford <richard@codesourcery.com>
7702 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7703 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7705 2006-10-16 Geoffrey Keating <geoffk@apple.com>
7707 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7708 (DWARF2_FRAME_REG_OUT): Likewise.
7709 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7710 (DWARF2_FRAME_REG_OUT): Likewise.
7712 2006-10-17 Paul Brook <paul@codesourcery.com>
7714 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7716 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7718 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7719 Standardize on "GNU Fortran" as the official name of the Fortran
7722 2006-10-16 Mike Stump <mrs@apple.com>
7724 * doc/invoke.texi (Darwin Options): Document -mkernel.
7725 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7727 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7728 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7729 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7730 (OS_MISSING_ALTIVEC): Add.
7731 * config/i386/i386.c (override_options): Add
7732 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7733 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7734 -mkernel, -static or -mdynamic-no-pic is given.
7735 (C_COMMON_OVERRIDE_OPTIONS): Add.
7736 * config/darwin.opt (fapple-kext): Add.
7738 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7739 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7741 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7742 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7743 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7744 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7745 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7746 (flag_mkernel): Add.
7747 (flag_apple_kext): Add.
7748 (TARGET_KEXTABI): Add.
7749 * config/darwin.c (darwin_handle_kext_attribute): Add.
7750 (DARWIN_VTABLE_P): Add.
7751 (darwin_binds_local_p): Add partial support for rebinding vtables
7753 (darwin_kextabi_p): Add.
7754 (darwin_override_options): Add.
7755 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7756 (darwin_kextabi_p): Add.
7757 (darwin_override_options): Add.
7758 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7759 __DYNAMIC__ and __STATIC__ here.
7761 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7763 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7764 Added mention of "make pdf" target, and Texinfo requirements for
7767 2006-10-16 DJ Delorie <dj@redhat.com>
7769 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7770 into the GOT in case we need a subreg of the address.
7772 2006-10-16 Richard Guenther <rguenther@suse.de>
7775 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7776 SSE builtin documentation. Document SSE2 builtins.
7778 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7780 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7781 symbol in the output file for non-shared links when -nostdlib or
7782 -nodefaultlibs isn't specified.
7784 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7785 posix thread support.
7787 2006-10-15 Jan Hubicka <jh@suse.cz>
7790 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7791 declared always_inline even when not inlining.
7793 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7794 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7795 Andrew Pinski <pinskia@gmail.com>
7798 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7800 2006-10-15 Jan Hubicka <jh@suse.cz>
7801 Richard Guenther <rguenther@suse.de>
7804 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7805 process_function_and_variable_attributes on all variables, including
7806 those discovered during cgraph construction phase.
7808 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7810 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7812 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7814 * config/i386/athlon.md (athlon_fist): Add fisttp.
7816 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7817 Ian Lance Taylor <ian@airs.com>
7820 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7821 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7824 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7826 * config/score/score.c, config/score/score.h: Fix comment
7829 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7832 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7835 2006-10-13 Eric Christopher <echristo@apple.com>
7837 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7839 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7842 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7843 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7844 alignment supported by 32-bit ELF.
7846 2006-10-13 Eric Christopher <echristo@apple.com>
7848 * config/darwin.c (darwin_emit_unwind_label): Strip
7849 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7851 2006-10-13 Richard Guenther <rguenther@suse.de>
7853 PR tree-optimization/29446
7854 * tree-vrp.c (fix_equivalence_set): Remove.
7855 (extract_range_from_assert): Do not call fix_equivalence_set.
7856 (debug_value_range): Print a newline.
7857 (compare_name_with_value): For equivalence sets with
7858 inconsistent value ranges conservatively bail out.
7859 (compare_names): Likewise.
7861 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7863 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7864 and MPFR for gfortran.
7866 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7868 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7869 alignment supported by 32-bit ELF.
7871 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
7875 * c-typeck.c (digest_init): Always allow initializing vectors
7876 that have static storage duration with compound literals.
7877 * tree.c (build_type_attribute_qual_variant): New, based on
7878 build_type_attribute_variant.
7879 (build_type_attribute_variant): Rewrite using the former.
7880 (make_vector_type): Use build_type_attribute_qual_variant to build
7881 type variants. Use type_hash_canon on the others.
7883 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
7884 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
7886 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7888 2006-10-12 Jan Hubicka <jh@suse.cz>
7891 * c-decl.c (c_make_fname_decl): Do not segfault in case where
7892 current_function_decl is set but current_function_scope is not.
7894 2006-10-12 Jie Zhang <jie.zhang@analog.com>
7896 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7897 emit_insn to emit eh_return_internal instruction.
7898 (eh_return_internal): Explicitly set pc.
7900 2006-10-11 Richard Guenther <rguenther@suse.de>
7902 PR tree-optimization/28230
7903 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7904 to the correct place.
7906 2006-10-11 Richard Guenther <rguenther@suse.de>
7909 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7912 2006-10-10 Brooks Moses <bmoses@stanford.edu>
7914 * configure.ac: Added pdf to "Make-hooks"
7915 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7916 targets and *.pdf file patterns in cleanup targets.
7917 * configure: Regenerated.
7919 2006-10-10 Anatoly Sokolov <aesok@post.ru>
7921 * config/avr/predicates.md: New file.
7922 * config/avr/avr.md: Include it.
7923 (REG_SP): New constant.
7924 (peepholes): Use predicates.
7925 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7926 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
7927 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7929 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
7931 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7934 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7937 * builtins.c (var_decl_component_p): New function.
7938 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7939 single entry optimization to variables and components thereof.
7941 2006-10-10 Richard Guenther <rguenther@suse.de>
7943 PR rtl-optimization/29323
7944 * except.c (set_nothrow_function_flags): For functions
7945 that do not bind local bail out early.
7947 2006-10-10 Ben Elliston <bje@au.ibm.com>
7949 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7952 2006-10-09 Richard Henderson <rth@redhat.com>
7954 Revert emutls patch.
7956 2006-10-09 Richard Guenther <rguenther@suse.de>
7959 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7962 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7965 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7966 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7967 * configure: Regenerate.
7968 * config.in: Regenerate.
7970 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7972 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7974 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7976 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7977 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7978 Remove stray newline.
7980 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7982 * config/mips/mips.c (mips_classify_symbol): Do not return
7983 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7984 (mips_in_small_data_p): Tweak comments.
7986 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7988 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7990 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7992 * gimplify.c, sched-int.h: Fix comment typos.
7994 * sched-int.h: Fix comment typos.
7996 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7998 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
8000 * sched-ebb.c (begin_schedule_ready): Use them.
8001 * haifa-sched.c (schedule_insn, move_insn, try_ready,
8002 add_to_speculative_block, create_check_block_twin, speculate_insn,
8003 fix_jump_move, move_block_after_check): Ditto.
8004 * sched-rgn.c (new_ready): Ditto.
8006 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8008 PR rtl-optimization/29128
8009 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
8010 * sched-ebb.c (advance_target_bb): Use it to fix condition to
8011 allow interblock movement of speculation checks.
8013 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
8016 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
8017 casted to integer type.
8018 (get_address_cost): Decrease cost of [symbol + index] addressing modes
8019 if they are significantly more expensive than [reg + index] ones.
8021 2006-10-06 Jakub Jelinek <jakub@redhat.com>
8023 PR tree-optimization/29330
8024 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
8025 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
8026 on newly allocated ddrs.
8027 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
8028 to VEC (loop_p, heap) pointer.
8029 (compute_data_dependences_for_loop): Adjust caller.
8030 (free_dependence_relations): Free DDR_LOOP_NEST.
8032 * tree-loop-linear.c (linear_transform_loops): Don't forget to
8033 free DEPENDENCE_RELATIONS and DATAREFS.
8036 * builtins.c (expand_builtin_sync_operation,
8037 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
8038 Use convert_to_mode to handle promoted arguments.
8040 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
8042 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
8044 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
8046 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
8048 2006-10-05 Uros Bizjak <uros@kss-loka.si>
8050 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
8051 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
8052 Use <modeconstraint> instead of "r" as operand 1 constraint.
8054 2006-10-06 Olivier Hainque <hainque@adacore.com>
8056 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
8057 Don't recurse on the pointed-to type.
8058 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
8059 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
8060 types with components of variable size.
8062 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
8064 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
8066 2006-10-06 Jakub Jelinek <jakub@redhat.com>
8068 PR tree-optimization/29290
8069 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
8073 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
8074 * config/i386/predicates.md (local_symbolic_operand): Likewise.
8077 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
8078 the number of vector elements fill the rest with zeros.
8080 2006-10-05 Richard Sandiford <richard@codesourcery.com>
8082 * config/mips/mips.c (mips_pass_by_reference): Do not return false
8083 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
8086 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
8088 * config/bfin/bfin.md (subsi3): Lose expander, change previously
8089 unnamed pattern into subsi3. Use correct constraints/predicates.
8090 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
8091 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
8093 2006-10-05 Ira Rosen <irar@il.ibm.com>
8095 * doc/loop.texi: Add data references analysis description.
8097 2006-10-04 Brooks Moses <bmoses@stanford.edu>
8099 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
8101 2006-10-04 Richard Henderson <rth@redhat.com>
8102 Jakub Jelinek <jakub@redhat.com>
8104 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
8105 * builtin-types.def (BT_WORD): Make unsigned.
8106 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8107 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8108 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8109 * c-decl.c (grokdeclarator): Don't error if !have_tls.
8110 * c-parser.c (c_parser_omp_threadprivate): Likewise.
8111 * cgraph.c (decide_is_variable_needed): Look at force_output.
8112 Recurse for emulated tls.
8113 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
8114 checks redundant with decide_is_variable_needed.
8115 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
8116 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8118 * expr.c (emutls_var_address): New.
8119 (expand_expr_real_1): Expand emulated tls.
8120 (expand_expr_addr_expr_1): Likewise.
8121 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8122 * output.h (emutls_finish): Declare.
8123 * toplev.c (compile_file): Call it.
8124 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8125 address before wrapping in CONST.
8126 * varasm.c (emutls_htab, emutls_object_type): New.
8127 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8128 (get_emutls_object_name, get_emutls_object_type): New.
8129 (get_emutls_init_templ_addr, emutls_decl): New.
8130 (emutls_common_1, emutls_finish): New.
8131 (assemble_variable): When emulating tls, swap decls; generate
8132 constructor for the emutls objects.
8133 (do_assemble_alias): When emulating tls, swap decl and target name.
8134 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8136 * emutls.c: New file.
8137 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8138 tls_object for real tls.
8140 2006-10-04 Zack Weinberg <zackw@panix.com>
8142 Fix bug in constraint-check generator, reported by Rask Ingemann
8144 * genpreds.c (add_constraint): Don't remove anything from the
8146 (write_tm_constrs_h): Detect whether "op" argument is used, and
8147 mark it ARG_UNUSED if it isn't.
8148 (write_insn_const_int_ok_for_constraint): Skip the part of the
8149 expression that would test whether "op" (which is not available
8150 here) is a CONST_INT.
8152 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
8155 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
8157 2006-10-03 Geoffrey Keating <geoffk@apple.com>
8159 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
8160 current Leopard versions.
8161 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
8163 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
8165 * doc/install.texi: Fix typos.
8167 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
8169 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
8170 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
8171 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
8173 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
8175 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
8176 arg to be struct mach_header_64* instead.
8178 2006-10-02 Jakub Jelinek <jakub@redhat.com>
8181 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
8182 side effects after the outer expression's post side effects.
8184 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
8186 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
8187 comments to reflect actual behavior and relationship between
8188 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
8190 * doc/c-tree.texi (Working with declarations): Fix documentation
8191 of FIELD_DECL likewise.
8193 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
8196 * doc/extend.texi: Add used variable attribute description.
8198 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
8201 * c.opt (Woverride-init): New.
8202 * c-opts.c (c_common_post_options): Default warn_override_init to
8204 * c-typeck.c (add_pending_init, output_init_element): Warn for
8205 overriding initializers without side effects.
8206 * doc/invoke.texi (-Woverride-init): Document.
8209 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
8211 PR rtl-optimization/28096
8212 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
8213 assignment has already been used as a destination earlier in the block.
8215 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
8217 * builtins.c (expand_builtin_setjmp): Delete.
8218 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
8219 <BUILT_IN_SETJMP_SETUP>: New case.
8220 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
8221 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
8222 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
8223 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
8224 (BUILT_IN_SETJMP_RECEIVER): Likewise.
8225 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
8226 (lower_function_body): Initialize it to false. If it is set to true
8227 at the end of the processing, emit the setjmp dispatcher.
8228 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
8229 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
8230 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
8231 on the rhs of the assignment.
8232 (lower_builtin_setjmp): New function.
8233 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
8234 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
8235 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
8236 to detect calls that can go to non-local labels. Use specific
8237 helper to create the abnormal edges associated with them.
8238 <MODIFY_EXPR>: Likewise.
8239 (make_abnormal_goto_edges): New function extracted from...
8240 (make_goto_expr_edges): ...here. Call it for computed gotos.
8241 (simple_goto_p): Minor tweak.
8242 (tree_can_make_abnormal_goto): New predicate.
8243 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
8244 (tree_purge_dead_abnormal_call_edges): New function.
8245 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
8246 (tree_purge_dead_abnormal_call_edges): Likewise.
8247 (make_abnormal_goto_edges): Likewise.
8248 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
8249 Purge all dead abnormal edges if the call was in the last statement.
8250 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
8251 (execute_fixup_cfg): If there are non-local labels in the function,
8252 scan the basic blocks and split them at calls that can go to non-local
8253 labels or add missing abnormal call edges. Write down the CFG in the
8255 (pass_fixup_cfg): Remove TODO_dump_func flag.
8256 * unwind-sjlj.c: Poison setjmp.
8257 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
8258 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
8259 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
8260 (DONT_USE_BUILTIN_SETJMP): Document it.
8262 2006-09-28 Geoffrey Keating <geoffk@apple.com>
8265 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
8266 to 1 when __ppc64__ is defined.
8267 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
8269 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
8271 2006-09-28 Steve Ellcey <sje@cup.hp.com>
8273 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
8274 * config/ia64/unwind-hpux.c: Delete.
8276 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
8278 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
8279 on the element before gimplifying it, instead of punting if it is of
8282 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
8284 * doc/loop.texi: New file.
8285 * doc/gccint.texi: Reference loop.texi.
8286 * Makefile.in (loop.texi): Add.
8288 2006-09-27 Geoffrey Keating <geoffk@apple.com>
8290 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
8292 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8293 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8295 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
8297 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
8299 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
8301 * doc/install.texi: Document required versions of GMP and MPFR.
8303 2006-09-27 Paul Brook <paul@codesourcery.com>
8306 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
8308 2006-09-27 Richard Sandiford <richard@codesourcery.com>
8310 * reload1.c (alter_reg): Require the alignment of the stack slot to
8311 be at least reg_max_ref_width bytes.
8312 (scan_paradoxical_subregs): Record the largest width in
8315 2006-09-26 Jakub Jelinek <jakub@redhat.com>
8319 * tree-nested.c (struct nesting_info): Added static_chain_added.
8320 (convert_call_expr): Set static_chain_added when adding static
8321 chain. Handle OMP_PARALLEL and OMP_SECTION.
8323 2006-09-25 Matthias Klose <doko@debian.org>
8325 * doc/invoke.texi: Add missing full stop.
8327 2006-09-25 Richard Henderson <rth@redhat.com>
8329 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
8330 before cgraph_function_flags_ready.
8332 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
8333 Adam Nemet <anemet@caviumnetworks.com>
8335 * tree-ssa-loop-ivopts.c (aff_combination_convert,
8336 determine_common_wider_type): New functions.
8337 (get_computation_aff): Use them to simplify arithmetic between
8338 UBASE and CBASE if they are shortened from the same type.
8340 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
8343 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
8344 -2147483647 - 1 instead of 0x80000000.
8346 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
8348 * flags.h (HONOR_NANS): Fix typo in comment.
8350 2006-09-23 Uros Bizjak <uros@kss-loka.si>
8352 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
8354 2006-09-23 Jakub Jelinek <jakub@redhat.com>
8358 * tree.c (merge_attributes, attribute_list_contained): If both
8359 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
8361 * c-typeck.c (comptypes_internal): Don't consider aggregates
8362 in different TUs as compatible if there one set of attributes is
8363 not a subset of the other type's attributes.
8364 (composite_type): Try harder not to create a new aggregate type.
8366 2006-09-22 Geoffrey Keating <geoffk@apple.com>
8368 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
8369 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
8370 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
8371 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
8372 than replicating condition above.
8373 * config.host (i[34567]86-*-*): Always use driver-i386.o.
8375 * config/darwin.h (LINK_SYSROOT_SPEC): New.
8376 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
8377 the linker by default.
8379 2006-09-22 Mike Stump <mrs@apple.com>
8381 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
8384 2006-09-22 Richard Guenther <rguenther@suse.de>
8387 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
8388 sort of stack variables stable.
8390 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
8393 * explow.c (force_reg): Set REG_POINTER flag according to
8396 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
8398 PR tree-optimization/28888
8399 * tree-if-conv.c (combine_blocks): Rewritten.
8400 * tree-cfg.c (tree_verify_flow_info): Check that edges with
8401 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
8403 2006-09-22 Jakub Jelinek <jakub@redhat.com>
8405 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
8408 2006-09-21 Richard Sandiford <richard@codesourcery.com>
8410 * varasm.c (copy_constant): Fix reversed gcc_assert check.
8412 2006-09-21 Janis Johnson <janis187@us.ibm.com>
8414 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
8416 2006-09-21 Roger Sayle <roger@eyesopen.com>
8419 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
8420 dw_fde_current_label, to be the start of the function, i.e. the same
8421 value as dw_fde_begin.
8423 2006-09-20 Richard Sandiford <richard@codesourcery.com>
8425 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
8426 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
8427 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
8428 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
8429 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
8430 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
8431 (abs<mode>2, neg<mode>2): Likewise.
8432 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
8433 (*mips_abs_ps): New define_insn.
8435 2006-09-20 Josh Conner <jconner@apple.com>
8438 * calls.c (expand_call): Allow reuse of structure return stack
8441 2006-09-20 Paul Brook <paul@codesourcery.com>
8443 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
8446 2006-09-20 Janis Johnson <janis187@us.ibm.com>
8448 * doc/extend.texi (Decimal Float): Update for latest draft TR,
8449 clean up terminology.
8451 2006-09-20 Steve Ellcey <sje@cup.hp.com>
8454 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
8455 with tablejumps in them.
8457 2006-09-20 Jakub Jelinek <jakub@redhat.com>
8460 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
8461 wrap it into TARGET_EXPR.
8463 2006-09-20 Eric Christopher <echristo@apple.com>
8465 * config/i386/i386.c (x86_fisttp): Remove.
8466 * config/i386/i386.h (x86_fisttp): Ditto.
8467 (TARGET_FISTTP): Ditto.
8469 2006-09-19 Eric Christopher <echristo@apple.com>
8471 * doc/tm.texi (OBJC_JBLEN): Describe.
8472 * config/i386/darwin.h (OBJC_JBLEN): Define.
8473 * config/rs6000/darwin.h: Ditto.
8475 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
8477 PR rtl-optimization/21299
8478 * reload1.c (reload): Purge invalid ASMs in the final pass.
8480 2006-09-19 Steve Ellcey <sje@cup.hp.com>
8483 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
8484 pointers as legitimate constants.
8486 2006-09-19 Paul Brook <paul@codesourcery.com>
8489 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
8491 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
8493 PR tree-optimization/28887
8494 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
8495 component parts from the reference.
8496 (gather_memory_references_ref): Record the reference without the
8497 nonaddressable component parts.
8499 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
8502 * c-opts.c (c_common_handle_option): Ignore the -std options
8503 if the input language is assembly.
8505 2006-09-17 Ira Rosen <irar@il.ibm.com>
8508 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
8510 (ptr_ptr_may_alias_p): Likewise.
8511 (record_record_differ_p): New function.
8512 (base_object_differ_p): Call record_record_differ_p.
8514 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8517 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
8518 away for the expr argument.
8520 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8523 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
8524 before using it for dumping after vectorizing loops.
8526 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8527 Jack Howarth <howarth@bromo.med.uc.edu>
8530 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
8531 skip on error_mark_node.
8532 (rs6000_darwin64_record_arg_recurse): Likewise.
8534 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8536 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
8537 * doc/rtl.texi: Remove related documentation.
8539 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
8541 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
8544 2006-09-15 Jim Wilson <wilson@specifix.com>
8546 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
8547 Handle symbol offsets same as they are handled in ia64_expand_move
8550 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
8552 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
8553 Add forgotten parameter to the fprintf call.
8555 2006-09-15 Steve Ellcey <sje@cup.hp.com>
8557 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
8559 2006-09-15 Uros Bizjak <uros@kss-loka.si>
8561 * doc/contrib.texi: Add my entry.
8563 2006-09-15 Nick Clifton <nickc@redhat.com>
8565 * doc/md.texi (Processor pipeline description): Fix typo in
8566 example of how to use the absence_set directive and reword the
8567 description to make it slightly easier to read.
8569 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
8571 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
8572 * loop-doloop.c (doloop_optimize): Use it to limit costs of
8573 expanding the number of iterations.
8574 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8576 * cfgrtl.c (emit_insn_at_entry): New function.
8577 * rtl.h (emit_insn_at_entry): Declare it.
8578 * integrate.c (emit_initial_value_sets): Use it.
8580 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
8582 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
8584 (struct loop_work and related VEC declarations): Delete.
8585 (bfin_dump_loops): Print out new member bad.
8586 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
8587 (bfin_scan_loop): Don't recurse.
8588 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
8589 loops. No longer need to update outer loops if the current one is
8590 found bad. Move some validitiy checks to bfin_discover_loop.
8591 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8592 but changed not to check for nesting. Also changed to use the new bad
8594 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8595 time. Use bitmap based test to discover loop nesting.
8597 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
8599 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8602 2006-09-14 Richard Guenther <rguenther@suse.de>
8603 Kazu Hirata <kazu@codesourcery.com>
8605 PR middle-end/28884.
8606 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8607 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8608 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8609 with TARGET_FUNCTION_VALUE.
8611 2006-09-14 Anatoly Sokolov <aesok@post.ru>
8614 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8616 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
8618 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8621 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
8624 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8627 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8629 * basic_block.h (bb_has_eh_pred): Fix comment.
8631 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8633 * flow.c (calculate_global_regs_live): Invalidate eh registers
8634 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8635 (propagate_block): Handle eh registers as if they were set at basic
8637 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8639 * global.c (global_conflicts): Make eh registers to conflict with
8640 pseudos live at basic block begin.
8641 * basic_block.h (bb_has_eh_pred): New function.
8643 2006-09-13 Richard Sandiford <richard@codesourcery.com>
8645 PR rtl-optimization/28982
8646 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8647 index of a PRE_MODIFY or POST_MODIFY address.
8648 * reload1.c (inc_for_reload): Use find_replacement on the original
8649 base and index registers.
8651 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
8653 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8654 for -Os. Update __m128 alignment requirement.
8656 2006-09-13 Jan Hubicka <jh@suse.cz>
8658 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8660 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
8662 PR rtl-optimization/28243
8663 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8664 the insn to which the note was originally attached.
8666 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
8667 Roger Sayle <roger@eyesopen.com>
8669 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8670 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8671 on platforms that don't use dwarf for debug info.
8673 2006-09-12 Jason Merrill <jason@redhat.com>
8676 * builtins.c (expand_builtin_setjmp_receiver): Clobber
8677 hard_frame_pointer_rtx after using it to update the frame pointer.
8679 2006-09-12 Roger Sayle <roger@eyesopen.com>
8681 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8682 (TARGET_ASM_CLOSE_PAREN): Likewise.
8683 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8684 (TARGET_ASM_CLOSE_PAREN): Likewise.
8686 2006-09-12 Roger Sayle <roger@eyesopen.com>
8689 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8690 frame information for frames larger than 512 Kbytes on Tru64 when
8691 using the native assembler.
8693 2006-09-12 Roger Sayle <roger@eyesopen.com>
8697 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8698 and symbols. Instead use the implementation from cse.c's hash_rtx.
8700 2006-09-12 Jan Hubicka <jh@suse.cz>
8702 PR rtl-optimization/28071
8703 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8704 (vect_transform_loop): Likewise.
8705 * tree-vectorizer.c (new_loop_vec_info): Likewise.
8706 (new_loop_vec_info): Likewise.
8707 (destroy_loop_vec_info): Likewise.
8708 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8709 (create_stmt_ann): Likewise.
8710 (create_tree_ann): Rename to ...
8711 (create_tree_common_ann): ... this one; allocate only the common part
8713 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8714 (get_value_handle): Likewise.
8715 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8716 get_tree_common_ann.
8717 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8718 (vinfo_for_stmt): Use stmt annotations.
8719 * tree-flow.h (tree_ann_common_t): New type.
8720 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8721 (tree_ann, get_tree_ann, create_tree_ann): New.
8722 * tree-flow-inline.h (get_function_ann): Do more type checking.
8723 (stmt_ann): Likewise.
8724 (tree_ann): Rename to ...
8725 (tree_common_ann): ... this one; return ony common_ann
8726 (get_tree_ann): Rename to ...
8727 (tree_common_ann): This one; return only common_ann.
8728 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8731 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8733 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8734 with_cpu by default.
8736 * dwarf2out.c (dwarf_file_data): New.
8737 (enum dw_val_class): Add dw_val_class_file.
8738 (struct dw_val_struct): Add val_file.
8739 (file_table): Change to a hash table.
8740 (file_table_emitted): Delete.
8741 (file_table_last_lookup_index): Delete.
8742 (emitcount): Delete.
8743 (last_emitted_file): New.
8744 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8745 (init_file_table): Delete.
8746 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8747 (AT_addr): Add comment.
8751 (print_die): Handle dw_val_class_file.
8752 (print_dwarf_line_table): Update for new file table structure.
8753 (attr_checksum): Do checksum a filename.
8754 (same_dw_val_p, same_attr_p): Do compare a filename.
8755 (size_of_die): Handle dw_val_class_file.
8756 (value_format): Likewise.
8757 (output_die): Likewise. Also, call maybe_emit_file here.
8758 (struct file_info): Constify filenames. Make file_idx a pointer
8759 to a struct dwarf_file_data.
8760 (struct dir_info): Constify directory names. Remove 'used' field.
8761 (struct file_name_acquire_data): New.
8762 (file_name_acquire): New.
8763 (output_file_names): Modify to handle new file data structures.
8764 (add_src_coords_attributes): Use add_AT_file.
8765 (add_call_src_coords_attributes): Likewise.
8766 (dwarf2out_imported_module_or_decl): Likewise.
8767 (gen_subprogram_die): Modify for new file data structures.
8768 (gen_variable_die): Likewise.
8769 (file_table_eq): New.
8770 (file_table_hash): New.
8771 (file_table_last_lookup): New.
8772 (lookup_filename): Rewrite to handle new file data structures.
8773 (maybe_emit_file): Rewrite to handle new file data structures.
8774 (dwarf2out_source_line): Always call lookup_filename and
8776 (dwarf2out_init): Create file_table here.
8777 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8778 (file_table_relative_p): New.
8779 (dwarf2out_finish): Change detection of relative filenames
8780 to work with new file data structures. Move output_line_info call
8781 after debug_info output.
8783 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8788 * config/i386/i386.c (override_options): Always default to 16
8789 byte stack boundary.
8791 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8794 * var-tracking.c (dump_dataflow_set): Start dumping at
8796 (clobber_variable_part): Kill only the variable part in
8797 registers holding it, leaving other variables alone.
8799 2006-09-11 Josh Triplett <josh@freedesktop.org>
8801 * doc/extend.texi (Other Builtins): Actually use the macro
8802 argument in the documentation example for
8803 __builtin_types_compatible_p.
8805 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8807 PR rtl-optimization/28726
8808 * sched-deps.c (sched_analyze_reg): New function extracted from...
8809 (sched_analyze_1): ...here. Call it to analyze references to
8810 registers. Treat again writes to a stack register as writing to the
8812 (sched_analyze_2): ...and here. Call it to analyze references to
8813 registers. Treat again reads of a stack register as reading the
8816 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8817 David Edelsohn <edelsohn@gnu.org>
8820 * config/rs6000/spe.md (frob_df_di): Remove %H.
8821 (frob_di_df): Remove %H. Change evmergelo to mr.
8822 (frob_di_df_2): Remove %H. Change evldd to two loads.
8824 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8826 * doc/cpp.texi: Fix names of charset options.
8828 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8831 * config/i386/i386.c (override_options): Use 128-bit
8832 stack boundary always for 64bits.
8834 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8836 PR rtl-optimization/28636
8837 * combine.c (force_to_mode): Test for side-effects before
8838 substituting by zero.
8839 (simplify_shift_const): Likewise for zero or other constants.
8841 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8844 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8847 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8850 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8851 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8852 returned by mode_for_size, rather than the mode of src itself,
8853 to choose between 32-bit and 64-bit patterns.
8854 (mips_mem_fits_mode_p): New function.
8855 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8856 that the size of the source matches the size of the destination.
8857 (mov_<store>l, mov_<store>r): Likewise.
8859 2006-09-10 Eric Christopher <echristo@apple.com>
8861 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8864 2006-09-09 Eric Christopher <echristo@apple.com>
8867 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8870 2006-09-09 Roger Sayle <roger@eyesopen.com>
8871 Nicolas Setton <setton@adacore.com>
8873 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8875 2006-09-10 Andreas Schwab <schwab@suse.de>
8877 * config/m68k/m68k.md (bungt_rev): New pattern.
8879 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
8880 Dale Johannesen <dalej@apple.com>
8883 * regclass.c (struct reg_pref): Update documentation.
8884 (regclass): Set prefclass to NO_REGS if memory is the best option.
8885 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8887 2006-09-08 Eric Christopher <echristo@apple.com>
8889 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8890 * config/t-slibgcc-darwin: Support x86_64 multilib.
8891 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8892 Return 1 for x86_64-darwin.
8893 * config/i386/t-darwin: Add m64 multilib.
8894 (LIB2_SIDITI_CONV_FUNCS): Use.
8895 (LIB2FUNCS_EXTRA): Ditto.
8896 * config/i386/darwin.h: Support x86_64.
8897 * config/i386/i386.c (override_options): Turn on flag_pic
8898 for x86_64-darwin. Disable flag_omit_pointer.
8899 (get_pc_thunk_name): Assert !TARGET_64BIT.
8900 (legitimate_address_p): Disable machopic addressing for
8902 (legitimize_pic_address): Ditto.
8903 (ix86_expand_move): Ditto.
8904 (ix86_expand_call): Ditto.
8905 (machopic_output_stub): Ditto.
8906 * config/darwin.c (machopic_select_section): Support literal16.
8907 (machopic_select_rtx_section): Ditto.
8908 * config/darwin-sections.def: Ditto.
8909 * config/darwin-64.c: New.
8911 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
8914 * c-tree.h (struct c_arg_info): Add pending_sizes.
8915 * c-parser.c (c_parser_parms_declarator,
8916 c_parser_parms_list_declarator): Initialize pending_sizes.
8917 * c-decl.c (get_parm_info): Initialize pending_sizes.
8918 (get_parm_info): Set pending_sizes.
8919 (grokdeclarator): Call put_pending_sizes for parameters for
8920 function definition only.
8922 2006-09-07 Jason Merrill <jason@redhat.com>
8925 * varasm.c (output_constant): Only strip actual no-op conversions.
8928 * config/i386/i386.c (override_options): Use 128-bit
8929 stack boundary if -msse.
8931 2006-09-07 Eric Christopher <echristo@apple.com>
8933 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8935 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8938 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8940 * dwarf2out.c: Remove strange characters from comment above
8941 dwarf2out_frame_debug_expr.
8943 2006-09-07 Eric Christopher <echristo@apple.com>
8945 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8946 * config/darwin.h: ... to here.
8948 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8950 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8952 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8953 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8955 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8956 TARGET_PARTIAL_FLAG_REG_STALL.
8957 (*ashldi3_cconly_rex64): Likewise.
8958 (*ashlsi3_cmp): Likewise.
8959 (*ashlsi3_cconly): Likewise.
8960 (*ashlsi3_cmp_zext): Likewise.
8961 (*ashlhi3_cmp): Likewise.
8962 (*ashlhi3_cconly): Likewise.
8963 (*ashlqi3_cmp): Likewise.
8964 (*ashlqi3_cconly): Likewise.
8965 (*ashrdi3_cmp_rex64): Likewise.
8966 (*ashrdi3_cconly_rex64): Likewise.
8967 (*ashrsi3_cmp): Likewise.
8968 (*ashrsi3_cconly): Likewise.
8969 (*ashrsi3_cmp_zext): Likewise.
8970 (*ashrhi3_cmp): Likewise.
8971 (*ashrhi3_cconly): Likewise.
8972 (*ashrqi3_cmp): Likewise.
8973 (*ashrqi3_cconly): Likewise.
8974 (*lshrdi3_cmp_rex64): Likewise.
8975 (*lshrdi3_cconly_rex64): Likewise.
8976 (*lshrsi3_cmp): Likewise.
8977 (*lshrsi3_cconly): Likewise.
8978 (*lshrsi3_cmp_zext): Likewise.
8979 (*lshrhi3_cmp): Likewise.
8980 (*lshrhi3_cconly): Likewise.
8981 (*lshrqi2_cmp): Likewise.
8982 (*lshrqi2_cconly): Likewise.
8984 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8987 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8988 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8989 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8990 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8991 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8992 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8993 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8994 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8995 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8996 implement only CC setting effects of shift instructions.
8998 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
9000 * doc/contrib.texi: Add myself.
9002 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
9005 * stor-layout.c (relayout_decl): Don't zero the alignment if it
9006 was set by the user.
9008 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
9011 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
9012 (divsi_inv_m1): Use them.
9013 (UNSPEC_DIV_INV_TABLE): New constant.
9015 2006-09-06 James E Wilson <wilson@specifix.com>
9018 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
9019 then call count_or_remove_death_notes.
9021 2006-09-06 Jason Merrill <jason@redhat.com>
9024 * tree-inline.c (copy_result_decl_to_var): New fn.
9025 (declare_return_variable): Use it. Call declare_inline_vars here.
9026 (expand_call_inline): Not here.
9028 2006-09-06 Diego Novillo <dnovillo@redhat.com>
9030 * doc/contrib.texi: Update my entry.
9032 2006-09-06 Nick Clifton <nickc@redhat.com>
9034 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
9036 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
9039 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
9040 (canonicalize_induction_variables): Likewise.
9041 (tree_unroll_loops_completely): Likewise.
9042 (tree_ssa_prefetch_arrays): Likewise.
9043 (remove_empty_loops): Likewise.
9044 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
9045 TODO_cleanup_cfg instead of directly calling
9046 cleanup_tree_cfg_loop.
9047 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
9049 (tree_unroll_loops_completely): Likewise.
9050 (remove_empty_loops): Likewise.
9051 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
9052 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
9053 of tree_ssa_unswitch_loops.
9054 (tree_ssa_loop_ivcanon): Use the return value of
9055 canonicalize_induction_variables.
9056 (tree_ssa_empty_loop): Use the return value of
9058 (tree_complete_unroll): Use the return value of
9059 tree_unroll_loops_completely.
9060 (tree_ssa_loop_prefetch): Use the return value of
9061 tree_ssa_prefetch_arrays.
9062 * passes.c (execute_todo): Before Cleanup CFG, set
9063 updating_used_alone and after cleanup CFG, call
9064 recalculate_used_alone.
9066 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
9069 * tree-vect-transform.c (vectorizable_condition): Move the check
9070 for the type after the check for simple condition.
9072 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
9073 Kaz Kojima <kkojima@gcc.gnu.org>
9076 * mode-switching.c (optimize_mode_switching): Make the destination
9077 block of an abnormal edge have no anticipatable mode. Don't
9078 insert mode switching code at the end of the source block of
9081 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
9083 PR rtl-optimization/26847
9084 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
9085 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
9086 (simplify_plus_minus): Count n_constants while filling ops. Replace
9087 qsort with insertion sort. Before going through the array to simplify
9088 pairs, sort it. Delay early exit until after the first sort, exiting
9089 only if no swaps occurred. Simplify pairs in reversed order, without
9090 special-casing the first iteration. Pack ops after simplifying pairs.
9092 2006-09-05 Anatoly Sokolov <aesok@post.ru>
9094 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
9095 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9096 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9097 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
9099 2006-09-05 Richard Guenther <rguenther@suse.de>
9101 PR tree-optimization/28900
9102 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
9103 compound conditional before creating COND_EXPR condition.
9105 2006-09-05 Richard Guenther <rguenther@suse.de>
9107 PR tree-optimization/28905
9108 * tree-vrp.c (fix_equivalence_set): Manually implement
9109 !value_ranges_intersect_p to also handle symbolic ranges.
9111 2006-09-05 Richard Guenther <rguenther@suse.de>
9114 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
9117 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
9119 PR rtl-optimization/27616
9120 * cse.c (table_size): New static variable.
9121 (new_basic_block): Initialize it to 0.
9122 (remove_from_table): Decrement it.
9123 (insert): Increment it.
9124 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
9125 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
9126 fold_rtx_mem_1 if under the cap.
9127 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
9128 the lookup of the equivalent expression and test for equality of the
9129 first operand of the equivalent expression before in turn looking up
9130 an equivalent constant for the second operand.
9132 2006-09-02 Geoffrey Keating <geoffk@apple.com>
9135 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9136 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9137 pointer, instead of assuming it is possible to derive the
9138 correct args size from a call insn.
9140 2006-09-02 Jakub Jelinek <jakub@redhat.com>
9143 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
9144 (fold_builtin_mempcpy): Rename to...
9145 (fold_builtin_memory_op): ... this. Optimize one element copy
9147 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
9149 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
9150 (expand_builtin_memcpy, expand_builtin_mempcpy,
9151 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
9152 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
9153 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
9154 BUILT_IN_MEM{CPY,PCPY,MOVE}.
9156 2006-09-01 DJ Delorie <dj@redhat.com>
9158 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
9159 (stzx_16): Likewise.
9160 ("stzx_24_<mode>"): Likewise.
9161 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
9162 ("cmp<mode>_op"): New.
9163 (cmp<mode>): Change to expander; just save operands.
9165 (b<code>): Change to expander, emit compare here.
9166 (s<code>_op): Change to use split and expander.
9167 (s<code>_24_op): Likewise.
9168 (s<code>_<mode>): New.
9169 (s<code>_<mode>_24): New.
9170 (movqicc_<code>_<mode): New.
9171 (movhicc_<code>_<mode>): New.
9174 * config/m32c/m32c.c (compare_op0, compare_op1): New.
9175 (m32c_pend_compare): New.
9176 (m32c_unpend_compare): New.
9177 (m32c_expand_scc): New.
9178 (m32c_expand_movcc): Emit the compare also.
9179 * config/m32c/predicates.md (mra_nopp_operand): New.
9181 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
9182 Richard Guenther <rguenther@suse.de>
9183 Adam Nemet <anemet@caviumnetworks.com>
9186 * builtins.c (get_pointer_alignment): Handle more forms
9187 of base addresses that can be used to derive more precise
9188 information about alignment.
9190 2006-09-01 Jason Merrill <jason@redhat.com>
9193 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
9196 * gimplify.c (voidify_wrapper_expr): Handle null type.
9198 2006-09-01 Josh Conner <jconner@apple.com>
9201 * tree-nrv.c (dest_safe_for_nrv_p): New function.
9202 (execute_return_slot_opt): Use it.
9204 2006-08-31 Josh Conner <jconner@apple.com>
9207 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
9208 returning aggregates.
9210 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
9212 PR tree-optimization/28839
9213 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
9214 blocks in that phi arguments appear.
9216 2006-08-31 Roger Sayle <roger@eyesopen.com>
9219 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
9220 NULL, otherwise use an advance_loc4 to adjust relative to the
9222 (output_cfi) <DW_CFA_set_loc>: Update the current label.
9223 (dwarf2out_switch_text_section): Reset the current label to avoid
9224 using advance_loc4 over section boundaries.
9226 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
9229 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
9230 r12 + SYMBOLIC_CONST.
9232 2006-08-30 Richard Guenther <rguenther@suse.de>
9234 * Makefile.in (see.o): Add $(EXPR_H) dependency.
9236 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
9238 PR rtl-optimization/27735
9239 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
9240 Add new argument to keep track of whether an irreducible region
9241 was affected. All callers changed.
9242 (fix_irreducible_loops): Removed.
9243 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
9244 flags were invalidated.
9246 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
9248 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
9249 instead of SF operands.
9250 (*fop_df_comm_sse): Likewise.
9251 (*fop_df_comm_i387): Likewise.
9252 (*fop_df_1_mixed): Likewise.
9253 (*fop_df_1_sse): Likewise.
9255 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
9256 J"orn Rennecke <joern.rennecke@st.com>
9258 PR tree-optimization/17506
9259 * tree-ssa.c (warn_uninit): If warning about a location outside of
9260 the current function, note where the variable was declared.
9262 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
9264 PR tree-optimization/28411
9265 * double-int.c (double_int_div): Use double_int_divmod.
9266 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
9267 double_int_mod, double_int_smod, double_int_umod): New functions.
9268 * double-int.h (double_int_divmod, double_int_sdivmod,
9269 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
9271 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
9273 (get_computation_aff, get_computation_cost_at): Handle double_int
9274 return type of constant_multiple_of.
9276 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
9279 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
9280 an implicit conversion.
9282 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
9284 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
9286 2006-08-27 Roger Sayle <roger@eyesopen.com>
9288 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
9291 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
9293 * config/i386/crtfastmath.c: Fix a comment typo.
9295 2006-08-26 Roger Sayle <roger@eyesopen.com>
9297 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
9298 temporary visit flags on CASE_LABEL_EXPRs.
9299 * c-common.c (match_case_to_enum): Add function comment. Avoid
9300 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
9301 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
9302 CASE_HIGH_SEEN for enumerated types. If the switch expression is
9303 a constant, only warn if that constant value isn't handled.
9305 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
9308 * input.h (restore_input_file_stack): Declare.
9309 (INPUT_FILE_STACK_BITS): Define.
9310 * toplev.c (fs_p, input_file_stack_history,
9311 input_file_stack_restored, restore_input_file_stack): New.
9312 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
9313 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
9314 (pop_srcloc): Don't free old state of stack.
9316 2006-08-26 David Edelsohn <edelsohn@gnu.org>
9319 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
9320 (PowerPC Type Attributes): New.
9322 2006-08-26 Bob Wilson <bob.wilson@acm.org>
9324 * config/xtensa/xtensa.c (function_arg_boundary): New.
9325 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
9327 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
9328 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
9330 2006-08-26 Jakub Jelinek <jakub@redhat.com>
9333 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
9336 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9338 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
9339 (verify_local_live_at_start): Likewise.
9341 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
9344 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
9345 omp_add_variable): Treat sizes as variable whenever not
9348 2006-08-26 Richard Guenther <rguenther@suse.de>
9351 * fold-const.c (fold_binary): Fold temporary to correct
9352 type before constructing new comparison.
9354 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
9357 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
9358 variable again if DECL_SEEN_IN_BIND_EXPR_P.
9360 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
9363 * c-decl.c (start_function): Don't try to process prototype
9364 information from old declaration that isn't a function.
9366 2006-08-25 Jan Hubicka <jh@suse.cz>
9369 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
9371 2006-08-25 Alan Modra <amodra@bigpond.net.au>
9374 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
9377 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
9379 PR tree-optimization/16876
9380 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
9381 exit if PARM doesn't match VALUE.
9383 2006-08-25 Bob Wilson <bob.wilson@acm.org>
9385 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
9386 literal_prefix directive.
9387 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
9388 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9389 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9391 2006-08-25 David Edelsohn <edelsohn@gnu.org>
9394 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
9395 predicate to general_operand. Add 0->y and I->r alternatives.
9397 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
9399 * doc/tm.texi: Fix a typo.
9400 * predict.c: Fix comment typos.
9402 2006-08-25 Nick Clifton <nickc@redhat.com>
9404 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
9405 assertions of "cpu" and "machine".
9407 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
9410 * tree-ssa-operands.c (access_can_touch_variable): Don't say
9411 the access through a base which has an alias set of 0 cannot
9414 2006-08-24 Bill Wendling <wendling@apple.com>
9416 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
9418 2006-08-24 Jan Hubicka <jh@suse.cz>
9420 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
9422 2006-08-24 Jan Hubicka <jh@suse.cz>
9425 * cgraph.c: Fix comments.
9426 (cgraph_varpool_mark_needed_node): Mark only variables not already
9428 * cgraphunit.c: Update comments; include gt-cgraphunit.h
9429 (cgraph_varpool_assembled_nodes_queue): New static variable.
9430 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
9431 (cgraph_varpool_output_debug_info): New function.
9432 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
9433 * Makefile.in: Add gt-cgraphunit.h
9435 2006-08-24 Jan Hubicka <jh@suse.cz>
9437 * predict.c (probability_reliable_p): New predicate.
9438 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
9439 (predict_loops): Do not predict loop exit with less than 2%
9441 * basic-block.h (edge_probability_reliable_p,
9442 br_prob_note_reliable_p): Declare.
9443 * ia64.h (ia64_print_operand): Do not disable on-chip branch
9444 prediction when static predictor is not reliable.
9445 * rs6000.c (output_cbranch): Likewise.
9447 2006-08-23 Stuart Hastings <stuart@apple.com>
9450 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
9451 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
9453 2006-08-21 Geoffrey Keating <geoffk@apple.com>
9456 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
9457 complex values, nor for generic vector values.
9459 2006-08-22 Richard Guenther <rguenther@suse.de>
9462 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
9463 parameter. Convert arguments to arithmetic expression to the
9465 (analyze_scalar_evolution_1): Adjust caller.
9467 2006-08-22 Jan Hubicka <jh@suse.cz>
9469 Patch by Paolo Bonzini
9470 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
9473 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
9475 PR tree-optimization/28003
9476 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
9477 before grouping aliases.
9479 2006-08-22 Roger Sayle <roger@eyesopen.com>
9481 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
9482 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
9484 2006-08-21 Jason Merrill <jason@redhat.com>
9487 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
9488 wrapper. Loop to handle nested wrappers.
9489 (gimplify_bind_expr): Remove temp parameter.
9490 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
9491 and STATEMENT_LIST on the rhs.
9492 (gimplify_statement_list): Voidify the STATEMENT_LIST.
9493 (gimplify_expr): Pass pre_p to gimplify_statement_list.
9494 (gimplify_target_expr): Remove special BIND_EXPR handling.
9496 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
9498 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
9501 2006-08-21 Olivier Hainque <hainque@adacore.com>
9503 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
9504 Arrange for the temporary captures of components overlapping the lhs
9505 to happen before the lhs is possibly cleared.
9507 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
9509 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
9510 necessary places to pass the correct "number of registers" values
9513 2006-08-20 Jan Hubicka <jh@suse.cz>
9515 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
9516 (create_name_tags): Instead of quadratic checking use hashtable.
9517 * bitmap.h: Include hashtab.h.
9518 (bitmap_hash): Declare.
9519 * bitmap.c (bitmap_hash): New function.
9521 2006-08-20 Jan Hubicka <jh@suse.cz>
9523 PR rtl-optimization/28071
9524 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
9526 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
9527 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
9528 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
9529 cgraph_decide_inlining_incrementally): Update use of
9530 cgraph_check_inline_limits.
9531 * cgraph.c (edge_hash, edge_eq): New function.
9532 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
9533 cgraph_edge_remove_caller, cgraph_node_remove_callees,
9534 cgraph_remove_node): Maintain call site hash.
9535 * cgraph.h (struct cgraph_node): Add call_site_hash.
9536 (cgraph_set_call_stmt): New function.
9538 2006-08-20 Jan Hubicka <jh@suse.cz>
9540 PR rtl-optimization/28071
9541 * reload1.c (reg_has_output_reload): Turn into regset.
9542 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
9543 choose_reload_regs, emit_reload_insns): Update to new
9544 reg_has_output_reload.
9546 2006-08-20 Jan Hubicka <jh@suse.cz>
9549 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
9550 function body sizes.
9551 * cgraphunit.c (cgraph_analyze_function): Don't do so.
9553 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
9556 * tree.c (handle_dll_attribute): Return early if not a
9557 var or function decl.
9559 2006-08-18 Joseph Myers <joseph@codesourcery.com>
9562 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
9563 alignment of SPE vector types.
9565 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
9567 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
9569 2006-08-17 Jakub Jelinek <jakub@redhat.com>
9572 * cgraph.h (struct cgraph_node): Remove externally_visible
9574 * cgraphunit.c (process_function_and_variable_attributes): Set
9575 local.externally_visible rather than externally_visible.
9578 * c-common.c (handle_externally_visible_attribute): First look
9579 at TREE_CODE and only if it is function or var decl, check for
9580 non-public objects. Don't warn for DECL_EXTERNAL.
9581 * cgraphunit.c (process_function_and_variable_attributes): Warn
9582 if externally_visible attribute is used on non-public object.
9584 2006-08-17 Jan Hubicka <jh@suse.cz>
9586 PR tree-optimization/27865
9587 * reload1.c (forget_marked_reloads): New function.
9588 (forget_old_reloads_1): When data are passed, just mark the registers
9590 (reload_as_needed): Use the new mechanizm.
9592 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
9595 * reload.h (reg_equiv_alt_mem_list): New declaration.
9596 * reload1.c (reg_equiv_alt_mem_list): New definition.
9597 (reload): Initialize it and release it.
9598 (delete_output_reload): Use it.
9599 * reload.c (push_reg_equiv_alt_mem): New function.
9600 (find_reloads_toplev): Call it.
9601 (find_reloads_address, find_reloads_address_1): Likewise.
9602 (find_reloads_subreg_address): Likewise.
9604 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9606 PR rtl-optimization/28489
9607 * sched-ebb.c (begin_schedule_ready): Create basic block
9609 (advance_target_bb): Skip empty blocks.
9610 * haifa-sched.c (bb_note): Make global.
9611 * sched-int.h (bb_note): Add prototype.
9613 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9615 PR tree-optimization/27865
9616 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9618 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9619 fold_used_pointer, pointer_used_p): New functions.
9620 (analyze_scalar_evolution_1): Use fold_used_pointer.
9621 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9622 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9625 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
9628 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9629 or the INTEGER_CST. Fail on a CALL_EXPR.
9630 (fold_offsetof): Pass new argument to fold_offsetof_1.
9631 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
9632 operand into an INDIRECT_REF.
9633 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9635 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9637 PR gcov/profile/26570
9638 * value-prof.c (static_values): Removed.
9639 (tree_find_values_to_profile): Do not set static_values.
9640 (find_values_to_profile): Do not free static_values.
9641 * profile.c (instrument_values): Do not free the values.
9642 (branch_prob): Free the values.
9644 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
9646 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9648 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
9651 * c-typeck.c (build_component_ref): Combine qualifiers of
9652 structure or union and field.
9654 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9656 PR rtl-optimization/28071
9657 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9658 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9659 * tree-into-ssa.c (struct dom_dfsnum): New.
9660 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9662 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9663 compute_global_livein.
9664 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9665 in phi nodes in the correct blocks.
9667 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9669 PR tree-optimization/28364
9670 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9672 (fold_affine_expr): New function.
9673 (may_eliminate_iv): Use fold_affine_expr.
9675 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9678 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9681 2006-08-16 Mike Stump <mrs@apple.com>
9683 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9684 * doc/cppopts.texi (-MD): Likewise.
9686 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
9689 * c-common.c (handle_weak_attribute): Ignore and warn if
9690 not a FUNCTION_ or VAR_DECL.
9692 2006-07-15 Mike Stump <mrs@apple.com>
9695 * c-parser.c (c_parser_typeof_specifier): Don't use
9696 c_finish_expr_stmt, open code desired semantics instead.
9698 2006-08-15 Nick Clifton <nickc@redhat.com>
9700 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9701 fragment to tmake_file only if threads are enabled.
9702 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9703 * config/i386/t-gthr-win32: New file. ... here.
9705 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9708 * c-parser.c (c_parser_compound_statement_nostart): Reset
9709 parser->error after each statement.
9711 2006-08-15 Jakub Jelinek <jakub@redhat.com>
9714 * omp-low.c (lower_omp_parallel): Convert t to
9715 receiver_decl's type.
9716 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9717 source before comparison.
9720 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9721 to itype in assignment to oldival2.
9723 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9727 * c-typeck.c (build_compound_expr): If the second expression
9728 is an error mark, then just return an error mark instead of
9729 creating a COMPOUND_EXPR.
9731 2006-07-14 Mike Stump <mrs@apple.com>
9733 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9735 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9737 * c-decl.c, var-tracking.c: Fix comment typos.
9739 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9741 PR rtl-optimization/28634
9742 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9743 for floating-point modes unless flag_unsafe_math_optimizations.
9745 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9746 Andrew Pinski <pinskia@physics.uc.edu>
9749 * tree.c (build_array_type): Unify array types with
9750 unspecified index_type.
9751 * c-decl.c (grokdeclarator): Make sure we do not modify a
9752 unified incomplete array type.
9753 * c-typeck.c (store_init_value): Create distinct type before
9754 filling in the index type in an initializer from a compound
9757 * c-decl.c (grokdeclarator): Remove code where we copy the
9760 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9762 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9763 into account for TODO_dump_cgraph.
9764 (TODO_update_ssa_no_phi): Likewise.
9765 (TODO_update_ssa_full_phi): Likewise.
9766 (TODO_update_ssa_only_virtuals): Likewise.
9767 (TODO_remove_unused_locals): Likewise.
9768 (TODO_set_props): Likewise.
9769 (TODO_update_stmt_usage): Likewise.
9771 2006-08-13 Dirk Mueller <dmueller@suse.de>
9773 * c-common.c (strict_aliasing_warning): Fix formatting.
9775 2006-08-13 Matthias Klose <doko@debian.org>
9777 * doc/invoke.texi: Fix spelling errors.
9779 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9781 PR rtl-optimization/23454
9782 * reorg.c (relax_delay_slots): Update comment.
9784 2006-08-11 Richard Guenther <rguenther@suse.de>
9787 * simplify-rtx.c (simplify_const_relational_operation):
9788 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9791 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9793 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9794 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9796 2006-08-10 Paul Brook <paul@codesourcery.com>
9798 * final.c (final_scan_insn): Clear current_insn_predicate before
9799 outputting inline asm.
9801 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9803 PR tree-optimization/26197
9804 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9805 get_ref_base_and_extent and overlap_subvar to add only relevant
9806 subvars as may-aliases.
9807 (add_may_alias_for_new_tag): New function, factored out of
9809 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9810 with additional argument.
9811 * tree-flow.h (new_type_alias): Takes additional argument.
9813 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9815 * gcov.c (no_data_file): New flag.
9816 (read_count_file): Set it if data file not present. Assume counts
9818 (output_lines): Don't name the data file, if there wasn't one.
9820 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9822 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9823 (rs6000_generate_compare): Tweak comments.
9824 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9826 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9828 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9829 (var_debug_decl): New function.
9830 (var_reg_set): Follow debug decl link. Add location even if
9831 reg is already known to hold some other variable.
9832 (var_mem_set): Follow debug decl link.
9833 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9834 decl link. Delete other known locations of the variable part
9836 (var_reg_delete, var_mem_delete): Delete other known locations
9837 of the variable part if requested.
9838 (same_variable_part_p): New function.
9839 (add_stores): Select MO_COPY when appropriate.
9840 (vt_initialize): Handle it.
9841 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9842 known locations for MO_SET and MO_CLOBBER.
9843 (find_variable_location_part): New function.
9844 (set_variable_part, delete_variable_part): Use it.
9845 (clobber_variable_part): New function.
9846 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9849 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9851 PR tree-optimization/26969
9852 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9853 with an empty list of PHIs.
9855 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9859 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9862 2006-08-06 Andreas Schwab <schwab@suse.de>
9864 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9865 string. Whitespace and comment fixup.
9867 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9870 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9874 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9877 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9879 2006-08-04 Jan Hubicka <jh@suse.cz>
9883 * reload.c (push_reload): Patch out the mismatching instruction;
9885 (find_reload): Bail out if the instruction was patched out.
9887 2006-08-04 Jan Hubicka <jh@suse.cz>
9889 PR tree-optimization/24888
9890 * tree-inline.c (expand_call_inline): Do not re-record variables.
9891 (declare_inline_vars): Add variable to unexpanded_var_list.
9893 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9894 Roger Sayle <roger@eyesopen.com>
9896 PR rtl-optimization/26244
9897 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9898 inner_const are negative or greater than or equal to the bitsize of
9899 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9900 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9901 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
9902 CONST0_RTX (mode) when the new shift count is greater than or equal to
9903 to the bitsize of the object being shifted and XEXP (y, 0) has no side
9906 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
9908 * tree-cfg.c: Fix a comment typo.
9910 2006-08-03 Mark Mitchell <mark@codesourcery.com>
9913 * varasm.c (output_constant): Give the front end another chance to
9914 expand constants, after stripping NOPs.
9916 2006-08-03 Jan Hubicka <jh@suse.cz>
9918 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9921 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
9923 PR tree-optimization/27770
9924 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9925 declaration removed (moved to tree-flow.h).
9926 (vect_can_force_dr_alignment_p): Likewise.
9927 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9928 (moved from tree-vectorizer.h).
9929 (vect_can_force_dr_alignment_p): Likewise.
9930 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9931 from outside the vectorizer - in particular from cgraph stage.
9932 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9933 the alignment of global arrays when -fsection-anchors is enabled.
9934 * cgraphunit.c (cgraph_increase_alignment): New function.
9935 (cgraph_optimize): Call cgraph_increase_alignment.
9937 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9940 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9941 not reload a SPE symbol_ref into a lo_sum address.
9943 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9946 * dwarf2out.c (prune_unused_types_prune): Move call to
9947 prune_unused_types_update_strings to cover the parent DIE also.
9949 2006-08-02 Jan Hubicka <jh@suse.cz>
9951 PR gcov/profile/28480
9952 * tree-cfg.c (change_bb_for_stmt): New function.
9953 (tree_merge_blocks, tree_split_blocks): Use it.
9955 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9961 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9962 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9963 (cgraph_optimize): Likewise.
9965 2006-08-01 Stuart Hastings <stuart@apple.com>
9967 * rtl.h (UINTVAL) New.
9968 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9969 * testsuite/gcc.dg/20060801-1.c: New.
9971 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9974 * c-typeck.c (build_external_type): Mark used enum types.
9975 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9977 (gen_subprogram_die): Whitespace fix.
9979 2006-08-01 Jan Hubicka <jh@suse.cz>
9981 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9982 bitmap when not needed.
9983 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9986 2006-08-01 Dirk Mueller <dmueller@suse.de>
9988 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9990 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9992 * Makefile.in: Revert part of previous patch:
9993 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9996 2006-07-30 Eric Christopher <echristo@apple.com>
9999 * doc/extend.texi (i386 Variable Attributes): Add anchor.
10000 (PowerPC Variable Attributes): New section.
10002 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
10004 PR target/28126 (partial fix)
10005 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
10007 2006-07-28 Jan Hubicka <jh@suse.cz>
10009 PR rtl-optimization/28071
10010 * cfgrtl.c (rtl_delete_block): Free regsets.
10011 * flow.c (allocate_bb_life_data): Re-use regsets if available.
10013 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10015 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
10016 and variables used in dependencies.
10018 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
10020 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
10021 %fs for -mcmodel=kernel.
10022 (stack_tls_protect_test_di): Likewise.
10024 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
10026 * Makefile.in: Use mkinstalldirs.
10028 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
10031 * opts-common.c (prune_options): Skip joined switches.
10033 2006-07-27 Jan Hubicka <jh@suse.cz>
10035 PR rtl-optimization/28071
10036 * cselib.c (cselib_process_insn): Don't remove useless values too
10037 often for very large hashtables.
10039 2006-07-27 Jan Hubicka <jh@suse.cz>
10041 PR rtl-optimization/28071
10042 * global.c (greg_obstack): New obstack.
10043 (allocate_bb_info): Use it.
10044 (free_bb_info): Likewise.
10045 (modify_reg_pav): Likewise.
10047 2006-07-27 Roger Sayle <roger@eyesopen.com>
10049 * builtins.c (fold_fixed_mathfn): When long and long long are the
10050 same size, canonicalize llceil*, llfloor*, llround* and llrint*
10051 functions to their lceil*, lfloor*, lround* and lrint* forms.
10053 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10056 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
10058 (rev_branch_insn): Likewise.
10060 2006-07-27 Jan Hubicka <jh@suse.cz>
10062 PR rtl-optimization/28071
10063 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
10064 (reg_set_in_bb, max_reg_computed): New static variables.
10065 (regmove_optimize): Free the new array.
10066 (fixup_match_1): Update call of reg_is_remote_constant_p.
10068 2006-07-26 Jan Hubicka <jh@suse.cz>
10070 PR tree-optimization/27882
10071 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
10073 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
10075 (cgraph_analyze_compilation_unit): Likewise.
10076 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
10077 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
10078 (cgraph_early_inlinine): Make order garbage collected.
10079 * Makefile.in (gt-ipa-inline): New garbagecollected file.
10081 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
10083 * dbxout.c (output_types_sort): Add a comment.
10084 (output_used_types): Free the VEC.
10086 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
10088 * function.c (reorder_fix_fragments): Delete.
10089 (reorder_blocks): Don't call it.
10090 (reorder_blocks_1): Put all subblocks under the origin block.
10092 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
10094 PR rtl-optimization/27907
10095 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
10098 2006-07-25 Roger Sayle <roger@eyesopen.com>
10100 PR middle-end/28473
10101 * convert.c (convert_to_integer): When transforming (T)foo(x) into
10102 bar(x) check that bar's result type can represent all the values of T.
10104 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
10106 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
10108 2006-07-25 Nick Clifton <nickc@redhat.com>
10110 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
10111 size_lookup[] array.
10112 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
10113 (ggc_pch_count_object): Likewise.
10114 (ggc_pch_alloc_object): Likewise.
10115 (ggc_pch_write_object): Likewise.
10116 (init_ggc): Do not attempt to initialize entries in the
10117 size_lookup[] array for objects whose size is greater than than
10118 the length of the array.
10120 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
10122 * dbxout.c (output_used_types_helper): Push queued types
10124 (output_types_sort): New.
10125 (output_used_types): Collect used types on a VEC and sort them
10128 2006-07-24 Richard Guenther <rguenther@suse.de>
10130 PR middle-end/28463
10131 * cgraph.c (cgraph_remove_node): Do not check if dumps
10133 * cgraphunit.c (cgraph_optimize): Likewise.
10135 2006-07-24 Jan Hubicka <jh@suse.cz>
10137 PR rtl-optimization/28071
10138 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
10139 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
10140 splitting before first stmt.
10142 2006-07-24 Jan Hubicka <jh@suse.cz>
10144 PR rtl-optimization/28071
10145 * ipa-inline.c (update_caller_keys): Remove edges that
10146 are no longer inline candidates.
10148 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
10151 * dbxout.c (output_used_types_helper, output_used_types): New.
10152 (dbxout_symbol): Call output_used_types.
10154 2006-07-23 Jan Hubicka <jh@suse.cz>
10158 * cgraph.c (cgraph_varpool_nodes): Export.
10159 (decide_is_variable_needed): Ignored "used" attribute in
10160 unit-at-a-time mode.
10161 * cgraph.h (cgraph_varpool_nodes): Declare.
10162 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
10163 unit-at-a-time mode.
10165 2006-07-23 Roger Sayle <roger@eyesopen.com>
10168 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
10169 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
10170 the __gthrw form of thr_keycreate.
10171 (__gthread_key_delete): Silence the unused argument warning.
10173 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
10176 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
10177 Cache the last found '\0' marker to avoid quadratic behavior.
10179 2006-07-23 Jan Hubicka <jh@suse.cz>
10181 * i386.md (subsi_3_zext): Fix output template.
10183 2006-07-21 Mike Stump <mrs@apple.com>
10185 * doc/invoke.texi (C++ Dialect Options): Note that
10186 -fvisibility-inlines-hidden doesn't affect explicitly
10187 instantiationed inline methods.
10189 2006-07-20 Roger Sayle <roger@eyesopen.com>
10191 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
10192 if the target assembler is GNU binutils' gas.
10193 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
10194 whether to pass GNU gas or native as command line options.
10196 2006-07-20 Jason Merrill <jason@redhat.com>
10198 * tree.c (remove_attribute): New fn.
10199 * tree.h: Declare it.
10201 2006-07-20 Paul Brook <paul@codesourcery.com>
10204 * cse.c (cse_insn): Add destination addresses to hash table. Check if
10205 they are invalidated by this instruction.
10207 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
10210 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
10212 2006-07-20 Eric Christopher <echristo@apple.com>
10215 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
10217 2006-07-19 Eric Christopher <echristo@apple.com>
10219 * config/t-slibgcc-darwin (stmp-lipo): Remove.
10220 Rewrite dependencies for libgcc_s.1.dylib.
10222 2006-07-19 Jakub Jelinek <jakub@redhat.com>
10224 * except.c (duplicate_eh_regions_1): Clear next_peer.
10226 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
10228 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
10229 -mlongcall does not guarantee all calls will be long.
10230 * doc/extend.texi (long_call/short_call): Document that longcall
10231 does not guarantee a long call will be used.
10232 (longcall/shortcall): Likewise.
10234 2006-07-18 Roger Sayle <roger@eyesopen.com>
10236 PR middle-end/28283
10237 * expmed.c (expand_shift): Additionally check that the shift_cost
10238 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
10239 before implementing a LSHIFT_EXPR as a sequence of additions.
10240 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
10241 middle-end that DImode shifts need to be synthesized by expand.
10243 2006-07-18 Diego Novillo <dnovillo@redhat.com>
10246 * tree-ssa-operands.c (access_can_touch_variable): Update
10248 Return true if ALIAS is .GLOBAL_VAR.
10250 2006-07-18 David Daney <ddaney@avtrex.com>
10252 * gcc.c (display_help): Fix typo in help text.
10254 2006-07-18 Olivier Hainque <hainque@adacore.com>
10256 * tree.h (categorize_ctor_elements): Adjust prototype and add
10257 descriptive comment, both in accordance with the interface change
10259 * varasm.c (constructor_static_from_elts_p): New function.
10260 Whether a constructor node is a valid static constant initializer
10261 if all its elements are.
10262 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
10263 * output.h: Declare it.
10264 * expr.c (categorize_ctor_elements_1): Return whether the constructor
10265 is a valid constant initializer instead of computing the number of
10266 non-constant elements. Use constructor_static_from_elts_p for this
10267 purpose. Replace the head comment with an indication that this is a
10268 helper for categorize_ctor_elements.
10269 (categorize_ctor_elements): Same interface change as for the _1
10270 helper. Former head comment from this helper moved here, adjusted to
10271 account for the interface changes.
10272 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
10273 (all_zeros_p): Likewise.
10274 * gimplify.c (gimplify_init_constructor): Decide whether we can make
10275 static versions of the constructor from the categorize_ctor_elements
10276 return value instead of the formerly computed number of non-constant
10279 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
10281 * configure: Regenerate.
10282 * Makefile.in (build_libsubdir): New configure substitution
10283 (build_libobjdir): New variable.
10284 (BUILD_LIBIBERTY): Use it.
10286 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10289 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
10291 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
10294 * c-common.c (handle_weakref_attribute): Ignore attribute in
10295 the same conditions the alias attribute is ignored.
10297 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
10299 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
10300 (dbxout_begin_prologue): Increment scope_labelno.
10302 2006-07-17 Richard Henderson <rth@redhat.com>
10305 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
10308 2006-07-17 Roger Sayle <roger@eyesopen.com>
10309 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10311 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
10312 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
10313 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
10314 functions such as sbrk, write, etc.. Add function prototypes.
10315 Convert function declarations from K&R to ISO C. Cast pointers
10316 to "long" and "unsigned long" instead of "int" and "unsigned int".
10317 Convert tokens following #endif into comments.
10319 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
10321 * invoke.texi: Remove mention of f77; Reformat table for
10322 inline parameter options correctly; mention that -malign-double
10323 is default on x86-64 targets.
10325 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
10327 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
10328 (convert_affine_scev, chrec_convert_aggressive): Use
10329 avoid_arithmetics_in_type_p. Do not check for the subtypes
10332 2006-07-17 Richard Sandiford <richard@codesourcery.com>
10334 PR middle-end/28403
10335 * optabs.c (expand_doubleword_shift): Wrap the call to
10336 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
10338 2006-07-17 Richard Sandiford <richard@codesourcery.com>
10340 PR middle-end/28402
10341 * optabs.c (expand_binop): Pass next_methods rather than methods
10342 to expand_doubleword_shift.
10344 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
10347 * tree.h (dump_addr): Declare.
10348 * print-tree.c (dump_addr): New function.
10349 (print_node_brief, print_node): Use it.
10350 * print-rtl.c (print_rtx): Likewise.
10351 * common.opt (-fdump-noaddr): New option.
10352 * doc/invoke.texi (-fdump-noaddr): Document.
10353 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
10354 (ve_info_hash): Likewise.
10356 2006-07-13 Andrew Haley <aph@redhat.com>
10358 PR tree-optimization/19505
10359 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
10360 edge leaving this block, make sure that the destination of this
10361 block has only one predecessor.
10363 2006-07-17 Richard Guenther <rguenther@suse.de>
10365 PR tree-optimization/28238
10366 * tree-inline.c (copy_bb): Check if we produced valid
10367 gimple copying and substituting a stmt. If not, gimplify
10370 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
10372 * optabs.c (maybe_encapsulate_block): New function extracted from...
10373 (emit_libcall_block): ...here. Invoke it on the block of insns to
10374 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
10375 (emit_no_conflict_block): Likewise.
10377 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10379 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
10381 2006-07-15 Roger Sayle <roger@eyesopen.com>
10383 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
10384 a new NOP_EXPR case of the switch statement.
10386 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
10388 PR middle-end/28160
10389 * stor-layout.c (place_field): Take the bit field with
10390 an excessive size into account in the ms-bitfiled case.
10392 PR middle-end/28161
10393 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
10394 the previous bit field.
10396 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
10399 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
10401 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10403 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
10404 signal frames correctly even when the signal was installed with
10407 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
10409 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
10410 (dbxout_function_end): Use local label LFBB. Remove hook
10412 (dbxout_source_line): Use local label LFBB.
10413 (dbxout_block): Likewise.
10414 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
10415 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
10416 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
10417 and DBX_OUTPUT_NFUN.
10419 2006-07-13 Janis Johnson <janis187@us.ibm.com>
10421 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
10423 2006-07-13 Jan Hubicka <jh@suse.cz>
10425 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
10427 * output.h (align_variable): Declare.
10428 * varasm.c (align_variable): Export.
10429 * value-prof.c (tree_value_profile_transformations): Recompute iterator
10430 when basic block changed.
10432 2006-07-13 Nick Clifton <nickc@redhat.com>
10434 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
10435 walking the LOG_LINKS chain.
10437 2006-07-12 Geoffrey Keating <geoffk@apple.com>
10439 * doc/invoke.texi (C++ Dialect Options): Explain difference
10440 between -fvisibility-inlines-hidden and setting hidden
10441 visibility explicitly.
10443 2006-07-12 Eric Christopher <echristo@apple.com>
10445 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
10446 (stmp-lipo): Depend on libgcc.a.
10448 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
10450 * tree.c: Fix a comment typo.
10452 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
10454 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
10456 (umulhisi3_r): Likewise.
10458 2006-07-12 Paolo Carlini <pcarlini@suse.de>
10461 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
10462 x < 19, vs wchar_t support.
10464 2006-07-12 Nick Clifton <nickc@redhat.com>
10466 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
10467 instead of -isa=sh4.
10469 2006-07-12 Mike Stump <mrs@apple.com>
10471 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
10473 2006-07-10 Eric Christopher <echristo@apple.com>
10475 * config/t-slibgcc-darwin: Rewrite.
10477 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
10480 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
10483 2006-07-08 Matthias Klose <doko@debian.org>
10485 * doc/sourcebuild.texi: Fix typo.
10487 2006-07-07 Mike Stump <mrs@apple.com>
10489 * toplev.c (process_options): Don't give -ffunction-sections may
10490 affect debugging warning for Mach-O.
10492 2006-07-07 James E Wilson <wilson@specifix.com>
10494 * config/mips/mips.md (cpu): Add sb1a.
10495 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
10496 addition to sb1. Adjust comments to clarify SB-1A differences from
10498 (ir_sb1a_load): New. Modify bypasses to use it.
10499 (ir_sb1a_simple_alu): Likewise.
10500 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
10501 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
10502 (mips_issue_rate): Add PROCESSOR_SB1A.
10503 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
10504 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
10505 (TARGET_SB1): Add PROCESSOR_SB1A check.
10506 (TUNE_SB1): Likewise.
10508 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
10509 * config/mips/mips.c (mips_store_data_bypass_p): New.
10510 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
10511 store_data_bypass_p.
10513 2006-07-08 Paul Brook <paul@codesourcery.com>
10516 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
10518 2006-07-07 Richard Guenther <rguenther@suse.de>
10520 PR middle-end/28268
10521 * tree.h (build_one_cst): Declare.
10522 * tree.c (build_one_cst): New function.
10523 * tree-ssa-math-opts.c (get_constant_one): Remove.
10524 (insert_reciprocals): Use build_one_cst.
10525 * fold-const.c (fold_plusminus_mult): Likewise.
10527 2006-07-07 Roger Sayle <roger@eyesopen.com>
10529 * pointer-set.c (pointer_set_destroy): Correct whitespace.
10530 * cfgloopanal.c (dump_graph): Likewise.
10531 * dojump.c (discard_pending_stack_adjust): Likewise.
10532 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
10534 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
10535 * function.c (finalize_block_changes): Likewise.
10536 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
10537 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
10538 * rtl.c (dump_rtx_statistics): Likewise.
10539 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
10541 * varray.c (dump_varray_statistics): Likewise.
10542 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
10543 decode_decimal64, encode_decimal128, decode_decimal128,
10544 decimal_real_to_decimal): Likewise.
10546 2006-07-07 Richard Guenther <rguenther@suse.de>
10548 PR tree-optimization/28187
10549 * tree-vrp.c (vrp_operand_equal_p): New function.
10550 (vrp_bitmap_equal_p): Likewise.
10551 (update_value_range): Use them to compare old and new
10552 max and min values.
10554 2006-07-06 Roger Sayle <roger@eyesopen.com>
10556 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
10557 a default case to switch statement to silence compiler warnings.
10559 2006-07-06 Roger Sayle <roger@eyesopen.com>
10562 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10563 the configured assembler supports the x87's ffreep mnemonic.
10564 * configure: Regenerate.
10565 * config.in: Regenerate.
10567 * config/i386/i386.c (output_387_ffreep): New function.
10568 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
10569 (output_387_reg_move): Likewise.
10571 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
10573 Port to hosts whose 'sort' and 'tail' implementations
10574 treat operands with leading '+' as file names, as POSIX
10575 has required since 2001. However, make sure the code still
10576 works on pre-POSIX hosts.
10577 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
10578 which says you should use "tail -c +N" rather than "tail +Nc".
10579 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
10581 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
10583 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
10586 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10589 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
10590 PRE_{INC,DEC} of TFmode.
10592 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10593 Alan Modra <amodra@bigpond.net.au>
10596 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10599 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10602 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10603 Remove duplicate gtu.
10605 2006-07-05 Jason Merrill <jason@redhat.com>
10609 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10610 * c-common.c (handle_packed_attribute): So don't copy it here.
10611 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10613 2006-07-05 Mike Stump <mrs@apple.com>
10615 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
10617 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
10620 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10622 2006-07-05 Richard Guenther <rguenther@suse.de>
10625 * config/i386/i386.md (*negdf2_1): Restrict pattern to
10626 TARGET_SSE2 targets if using SSE math.
10627 (*absdf2_1): Likewise.
10629 2006-07-05 Richard Guenther <rguenther@suse.de>
10631 PR tree-optimization/28162
10632 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10633 make sure to convert the operands to the correct type.
10635 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
10637 PR tree-optimization/28218
10639 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10640 to calculate and free the dominator information.
10642 2006-07-04 Peter O'Gorman <peter@pogma.com>
10644 * mklibgcc.in: chmod 644 before ranlib during install.
10646 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
10647 J"orn Rennecke <joern.rennecke@st.com>
10649 * configure.ac (.eh_frame data check): Use diff -b.
10651 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
10654 * Makefile.in (BUILD_RTL): Add build/vec.o.
10655 (build/gencondmd.o): Filter out -fkeep-inline-functions.
10656 (build/genextract): Delete.
10657 (build/genautomata): Likewise.
10659 2006-07-04 Alan Modra <amodra@bigpond.net.au>
10662 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10663 128-bit IBM long doubles for ABI_V4.
10665 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
10667 * tree.c (range_in_array_bounds_p): New predicate.
10668 * tree.h (range_in_array_bounds_p): Declare it.
10669 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10670 return a less conservative answer.
10671 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10672 and flag 'is_group'.
10673 (IS_ELEMENT_FOR_GROUP): New macro.
10674 (FOR_EACH_ACTUAL_CHILD): Likewise.
10675 (next_child_for_group): New helper function.
10676 (can_completely_scalarize_p): Take into account groups.
10677 (sra_hash_tree): Handle RANGE_EXPR.
10678 (sra_elt_eq): Likewise.
10679 (lookup_element): Be prepared for handling groups.
10680 (is_valid_const_index): Delete.
10681 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10682 instead of is_valid_const_index.
10683 <ARRAY_RANGE_REF>: New case.
10684 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10685 is_valid_const_index.
10686 <ARRAY_RANGE_REF>: Do not unconditionally punt.
10687 (scan_dump): Dump info for groups too.
10688 (decide_instantiation_1): Likewise.
10689 (decide_block_copy): Assert that the element is not a group.
10690 Propagate decision to groups.
10691 (generate_one_element_ref): Handle RANGE_EXPR.
10692 (mark_no_warning): Iterate over actual childs.
10693 (generate_copy_inout): Likewise.
10694 (generate_element_copy): Likewise.
10695 (generate_element_zero): Likewise.
10696 (generate_element_init_1): Likewise.
10697 (dump_sra_elt_name): Handle RANGE_EXPR.
10699 2006-07-03 Roger Sayle <roger@eyesopen.com>
10701 PR tree-optimization/26251
10702 * tree-ssa-threadupdate.c (redirection_block_p): New function.
10703 (thread_block): When optimizing for size refuse to thread jumps
10704 that would require duplication of blocks other than redirection
10707 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10709 * configure.ac: Fix thinko in previous check-in.
10710 * configure: Regenerate.
10712 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10715 * configure.ac (for lang...): Simplify nesting of conditionals.
10716 Test subdir_requires for non-enabled languages. Move processing
10717 of lang_opt_files and lang_tree_fiels below that test.
10718 * configure: Regenerate.
10719 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10721 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10723 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10725 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10727 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10730 2006-06-29 Jason Merrill <jason@redhat.com>
10737 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10738 * c-common.c (c_determine_visibility): Handle it here.
10739 * c-decl.c (finish_decl): Call c_determine_visibility for
10741 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10742 * tree.h: Likewise.
10743 * varasm.c (default_assemble_visibility): Likewise.
10744 * c-common.c (handle_visibility_attribute): Complain about trying
10745 to give visibility to an already defined class, or trying to change
10746 declared visibility. Always attach the attribute.
10751 * attribs.c (decl_attributes): Ignore type-in-place attributes
10752 once the type has been defined.
10754 2006-06-29 Roger Sayle <roger@eyesopen.com>
10756 PR middle-end/27428
10757 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10758 to indicate the cpplib has issued an error message for us.
10760 2006-06-29 Asher Langton <langton2@llnl.gov>
10763 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10764 insert a label at the end of an function under Mach-O.
10766 2006-06-29 Eric Christopher <echristo@apple.com>
10767 Evan Cheng <evan.cheng@apple.com>
10769 * predicates.md (vector_all_ones_operand): New.
10770 (nonimmediate_or_sse_const_operand): Ditto.
10771 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10772 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10773 (standard_sse_mode_p): Ditto.
10774 (standard_sse_constant_p): Add case for -1 vector.
10775 (ix86_expand_vector_move): Try to use.
10776 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10777 Call standard_sse_constant_opcode.
10778 (*movv4sf_internal): Ditto.
10779 (*movv2df_internal): Ditto.
10781 2006-06-29 Roger Sayle <roger@eyesopen.com>
10783 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10784 of XEXP to extract the operands of a MATCH_CODE rtx.
10786 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10788 * tree.c (tree_size): Do not waste tail padding in
10789 struct tree_string and make the size be the same as
10790 build_string will generate.
10792 2006-06-28 Jason Merrill <jason@redhat.com>
10795 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10796 may_aliases already in the tag's annotations to the bitmap.
10798 2006-06-28 Roger Sayle <roger@eyesopen.com>
10800 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10802 2006-06-28 Roger Sayle <roger@eyesopen.com>
10804 * genpreds.c (generate_switch_p): New function.
10805 (add_mode_tests): Push the new mode test down inside an AND expr
10806 if this allows the switch-suitable MATCH_CODE to be near the root.
10807 (write_match_code_switch): New function to write a MATCH_CODE as
10808 a switch statement.
10809 (write_predicate_stmts): New function to write a predicate RTX
10810 expression as a sequence of statements.
10811 (write_one_predicate_function): Use write_predicate_stmts.
10812 (write_tm_constrs_h): Likewise.
10814 2006-06-26 Fred Fish <fnf@specifix.com>
10816 * config/mips/t-sb1: New file.
10817 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10820 2006-06-26 DJ Delorie <dj@redhat.com>
10822 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10824 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10825 Jayant Sonar <jayants@kpitcummins.com>
10826 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10828 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10829 (subsi3, subsi3_1, subsi3_2): New.
10830 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10831 * config/m32c/mov.md (SI mov peephole): New.
10832 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10833 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10835 2006-06-26 Olivier Hainque <hainque@adacore.com>
10837 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10838 a CALL_EXPR target function declaration.
10840 2006-06-26 Richard Guenther <rguenther@suse.de>
10842 * tree.c (build_string): Do not waste tail padding in
10843 struct tree_string.
10845 2006-06-26 Richard Guenther <rguenther@suse.de>
10847 * ggc-page.c (init_ggc): Add missing element to size_lookup
10851 2006-06-23 Richard Guenther <rguenther@suse.de>
10853 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10854 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10855 alignment requests instead. Add verification code.
10856 Add struct tree_function_decl and struct tree_binfo size to
10857 extra_order_size_table. Add missing element to size_lookup
10860 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10862 PR middle-end/28151
10863 * fold-const.c (const_binop): Be prepared for self returning zero.
10864 Simplify code handling complex values.
10866 2006-06-24 Olivier Hainque <hainque@adacore.com>
10868 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10869 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10872 2006-06-24 Olivier Hainque <hainque@adacore.com>
10874 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10875 ARRAY_REF, so have the callback called for the low bound expression.
10877 2006-06-23 Janis Johnson <janis187@us.ibm.com>
10879 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10880 * c-typeck.c (c_common_type): Disallow operations on decimal float
10881 types and other float types.
10882 * convert.c (convert_to_real): Don't ignore conversions involving
10883 decimal float types.
10885 2006-06-23 Olivier Hainque <hainque@adacore.com>
10887 * tree.c (max_int_size_in_bytes): New function, inspired from
10888 code in function.c:assign_temp.
10889 * tree.h (max_int_size_in_bytes): Declare.
10890 * function.c (assign_temp): Use it.
10891 * gimplify.c (create_tmp_var): Relax the assertions on the type
10892 properties, not mandating constant size any more.
10893 (force_constant_size): New static function.
10894 (gimple_add_tmp_var): Use it, forcing variable size to a
10895 constant upper bound if it is not constant on entry.
10897 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
10900 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10901 for initialization and setting of one_only flag to ...
10902 (i386_pe_encode_section_info): ...here.
10903 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10904 Recheck that the symbol has not been defined.
10906 2006-06-23 Richard Guenther <rguenther@suse.de>
10908 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10909 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10910 alignment requests instead. Add verification code.
10911 Add struct tree_function_decl and struct tree_binfo size to
10912 extra_order_size_table. Add missing element to size_lookup
10915 2006-06-22 Roger Sayle <roger@eyesopen.com>
10916 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10918 PR middle-end/28131
10919 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10920 call to lang_hooks.types.type_for_mode returned NULL_TREE.
10922 2006-06-23 Ben Elliston <bje@au.ibm.com>
10924 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10925 negate dn -- manipulate it directly.
10927 2006-06-22 Roger Sayle <roger@eyesopen.com>
10928 Steven Bosscher <stevenb.gcc@gmail.com>
10931 * reload1.c (gen_reload): Call mark_jump_label on the new insns
10932 generated by gen_move_insn to add REG_LABEL notes if necessary.
10934 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10936 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10937 (leaf_entry): Remove use of MIN_ESA.
10939 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10941 PR rtl-optimization/28121
10942 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10945 2006-06-21 DJ Delorie <dj@redhat.com>
10947 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10949 (mulhisi3_r): Likewise.
10951 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10953 PR middle-end/28034
10954 * coverage.c (coverage_counter_alloc): Leave the index type
10956 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10959 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10961 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10962 section from the "Options for Code Generation Conventions".
10964 2006-06-21 Richard Henderson <rth@redhat.com>
10968 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10970 (global_symbolic_operand): Allow weak symbols, even if local_p.
10972 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10974 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10975 (find_interesting_uses_address): Punt if above function returns true.
10977 2006-06-21 Richard Guenther <rguenther@suse.de>
10979 * configure: Regenerated.
10981 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10983 * config/mips/mips.c (function_arg): Where one part of a
10984 complex argument is in registers and the other part in the stack,
10985 return a REG not a PARALLEL.
10987 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10989 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10990 when cross-compiling. Do not substitute libstdcxx_incdir.
10991 * configure: Regenerated.
10993 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10995 * varasm.c (mergeable_string_section): Check for embedded NULs and
10996 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10997 rather than TREE_STRING_LENGTH bytes.
10999 2006-06-21 Richard Guenther <rguenther@suse.de>
11001 * ggc-page.c (extra_order_size_table): Add var_ann_d,
11002 tree_ssa_name, bitmap_element and phi_node with 4 arguments
11005 2006-06-21 Richrad Guenther <rguenther@suse.de>
11007 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
11008 Limit iteration over the dominators.
11010 2006-06-20 Roger Sayle <roger@eyesopen.com>
11012 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
11013 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
11015 2006-06-20 Richard Guenther <rguenther@suse.de>
11016 Michael Matz <matz@suse.de>
11018 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
11020 * alloc-pool.c (free_alloc_pool_if_empty): New function.
11021 * et-forest.h (et_free_pools): Prototype new function.
11022 * et-forest.c (et_free_tree_force): Free parent occurrence.
11023 (et_free_pools): New function.
11024 * dominance.c (free_dominance_info): Free et-forest alloc
11027 2006-06-20 Roger Sayle <roger@eyesopen.com>
11029 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
11030 integer modes, attempt to directly construct an integer constant.
11032 * fold-const.c (native_encode_vector): Determine the size of each
11033 element from the vector type instead of the first vector element.
11035 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
11036 if all of its elements/components are constant.
11037 (build_constructor_from_list): Likewise.
11039 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
11041 PR tree-optimization/27331
11042 * tree-data-ref.c (free_data_ref): New function.
11043 (create_data_ref): Fail if the data reference has unknown access
11045 (free_data_refs): Use free_data_ref.
11047 2006-06-19 Andrew Pinski <pinskia@gmail.com>
11049 PR middle-end/28075
11050 * tree-inline.c (setup_one_parameter): Strip useless
11051 type conversion before adding it to the IR.
11052 (declare_return_variable): Likewise.
11054 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
11057 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
11059 2006-06-19 Mike Stump <mrs@apple.com>
11061 * tree.c (variably_modified_type_p): VM arguments don't make the
11064 2006-06-19 Richard Guenther <rguenther@suse.de>
11066 * tree-ssa-pre.c (try_combine_conversion): Strip useless
11067 type conversions after folding.
11069 2006-06-19 Richard Guenther <rguenther@suse.de>
11071 * ggc-page.c (extra_order_size_tab): Add entries with
11072 size of struct function and basic_block.
11073 (size_lookup): Extend to cover sizes up to 511.
11074 (ggc_alloc_stat): Adjust user.
11075 (ggc_pch_count_object): Likewise.
11076 (ggc_pch_alloc_object): Likewise.
11077 (ggc_pch_write_object): Likewise.
11079 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
11081 * tree-ssa-loop-niter.c (implies_ge_p): New function.
11082 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
11085 2006-06-19 Denis Chertykov <denisc@overta.ru>
11087 * config/avr/libgcc.S : Correct my wrong previous commit.
11089 2006-06-19 Roger Sayle <roger@eyesopen.com>
11092 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
11093 have stripped a SUBREG from the shift count, so we may need to
11094 convert_to_mode back to the type's mode before calling make_tree.
11095 Use new_amount instead of amount to avoid expanding a tree twice.
11097 2006-06-19 Richard Guenther <rguenther@suse.de>
11099 PR middle-end/28045
11100 * fold-const.c (operand_equal_p): Check if the argument types
11101 have the same precision before stripping NOPs.
11103 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
11105 Fix PR tree-optimization/27341
11106 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
11108 * tree-complex.c (pass_lower_complex): Update SMT usage.
11110 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
11112 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
11113 Add a new alternative to the constraint strings. Add move of
11114 operand 1 to 3 to the splitter definition.
11115 ("doloop_si_long"): Second contraint alternative removed.
11117 2006-06-08 Anatoly Sokolov <aesok@post.ru>
11119 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
11120 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
11122 (AVR_HAVE_MOVW) Define.
11123 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
11124 (ASM_SPEC): Add avr25.
11125 (LINK_SPEC): Add avr25.
11126 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
11127 (base_arch_s): Add new member 'have_movw_lpmx'.
11128 (avr_arch_types): Init 'have_movw_lpmx'.
11129 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
11130 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
11131 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
11132 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
11133 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
11135 (avr_file_start): Do not output '.arh' derective.
11136 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
11137 (__do_copy_data): Use __AVR_HAVE_LPMX__.
11138 * config/avr/avr.md (mcu_enhanced): Delete.
11139 (mcu_have_movw): Define.
11140 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
11141 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
11142 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
11143 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
11144 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
11145 attiny861 and at86rf401 devices.
11147 2006-06-18 Jie Zhang <jie.zhang@analog.com>
11149 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
11152 2006-06-17 Karl Berry <karl@gnu.org>
11154 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
11155 doc/gccint.texi, doc/install.texi (@dircategory): Use
11156 "Software development" instead of "Programming", following
11157 the Free Software Directory.
11159 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
11161 * config/i386/i386.c (legitimate_tls_address)
11162 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
11163 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
11164 (*tls_dynamic_gnu2_combine_64): Likewise.
11166 2006-06-16 Richard Guenther <rguenther@suse.de>
11168 PR middle-end/27116
11169 * fold-const.c (negate_expr_p): Do not introduce undefined
11170 overflow in negating INTEGER_CSTs.
11171 (fold_negate_expr): Rename from negate_expr. Revert last
11172 change for folding BIT_NOT_EXPR. Change semantics to
11173 return NULL_TREE for non-simplified negations. Do not
11174 strip type conversions and unify type handling.
11175 (negate_expr): New function, wrap around fold_negate_expr
11176 but ensure building a tree always. Strip type conversions
11177 here, fold to result type.
11178 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
11180 2006-06-16 Roger Sayle <roger@eyesopen.com>
11182 PR middle-end/27802
11183 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
11184 that (would) return their results in stack registers.
11186 2006-06-16 Michael Matz <matz@suse.de>
11187 Richard Guenther <rguenther@suse.de>
11189 * fold-const.c (fold_truthop): Only return new tree node if
11190 we canonicalized something.
11192 2006-06-16 Richard Guenther <rguenther@suse.de>
11194 * function.h (enum function_frequency): Move declaration
11195 out of struct function.
11196 (struct function): Move bool fields and the enum to the bitfield
11197 section. Reorder elements to avoid padding. Remove unused
11198 fields left over from the RTL inliner removal.
11199 * function.c (free_after_compilation): Do not zero removed fields.
11200 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
11201 (ipa-type-escape.o): Likewise.
11203 2006-06-16 Richard Guenther <rguenther@suse.de>
11205 * cgraph.h (struct cgraph_local_info): Turn bool elements
11207 (struct cgraph_node): Likewise.
11208 (struct cgraph_varpool_node): Likewise.
11210 2006-06-15 Richard Guenther <rguenther@suse.de>
11212 * fold-const.c (fold_truth_not_expr): Rename from
11213 invert_truthvalue. Give it fold_* semantics to avoid
11214 generating garbage.
11215 (invert_truthvalue): New function. Wrapper around
11216 fold_truth_not_expr.
11217 (optimize_minmax_comparison): Avoid creating garbage.
11218 (fold_unary): Use fold_truth_not_expr for folding
11220 (fold_ternary): Replace uses of invert_truthvalue with
11221 fold_truth_not_expr where applicable.
11222 * tree.h (fold_truth_not_expr): Prototype.
11224 2006-06-16 Richard Guenther <rguenther@suse.de>
11226 PR tree-optimization/27781
11227 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
11228 * ipa-pure-const.c (target.h): Include.
11229 (analyze_function): Do not analyze functions that do not
11232 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
11234 PR middle-end/27793
11235 * tree-dfa.c (referenced_vars_dup_list): Remove.
11236 (find_referenced_vars): Remove assert.
11237 (referenced_var_check_and_insert): Replace dup list with assert.
11238 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
11239 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
11241 2006-06-15 Richard Guenther <rguenther@suse.de>
11243 * tree-ssa-structalias.c (alias_get_name): Avoid creating
11244 extra unused identifiers if not dumping.
11245 (create_variable_info_for): Likewise.
11247 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
11249 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
11250 (derive_constant_upper_bound): Derive more precise upper bound in
11251 common cases. Return type changed to double_int.
11252 (record_estimate): Reflect the changed return type of
11253 derive_constant_upper_bound.
11254 * double-int.c (double_int_zext, double_int_sext): Fix.
11256 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
11258 * configure.ac (CFLAGS): Get them from the toplevel or from the
11259 configure invocation.
11260 * configure: Regenerate.
11261 * Makefile.in (CFLAGS): Substitute value provided by configure.
11263 2006-06-14 Mark Mitchell <mark@codesourcery.com>
11266 * c-common.h (c_finish_omp_atomic): Adjust declaration.
11267 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
11268 rather than calling add_stmt on it.
11269 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
11271 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
11273 PR middle-end/27959
11274 * reload1.c (reload): Remove registers returned by update_eliminables
11275 from used_spill_regs.
11277 2006-06-13 DJ Delorie <dj@redhat.com>
11279 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
11281 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
11283 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
11284 html__strip_dir, html__mkdir_p. Enhance install-html target.
11285 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
11286 * configure: Regenerate.
11288 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
11290 * fold-const.c (fold_cond_expr_with_comparison): Check for
11291 Objective-C++ as language in deciding COND_EXPR transformation.
11293 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
11296 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
11297 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
11298 * config/sh/lib1funcs.h (SL, SL1): Define.
11299 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
11300 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
11301 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
11302 (OBJS_Os_4_200): New variable.
11303 ($(T)libgcc-Os-4-200.a): Use it.
11304 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
11305 when dividing 1 and/or by 0.
11307 2006-06-13 Roger Sayle <roger@eyesopen.com>
11309 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
11310 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
11311 * configure: Regenerate.
11313 2006-06-13 Jie Zhang <jie.zhang@analog.com>
11315 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
11316 for real instruction.
11318 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11320 PR middle-end/26807
11321 * haifa-sched.c (check_cfg): Handle special case.
11323 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
11326 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
11327 Add debug_info parameter. Chain the vars to the BLOCK instead
11328 of the BIND_EXPR if debug info are requested for them.
11329 (pop_gimplify_context): Adjust for above change.
11330 (gimple_add_tmp_var): Likewise.
11331 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
11332 Add bool parameter.
11333 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
11334 (convert_local_reference): Likewise.
11335 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
11336 (finalize_nesting_tree_1): Request that debug info be emitted
11337 for debug_var_chain.
11339 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11341 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
11342 for PR target/27863.
11344 2006-06-13 Richard Guenther <rguenther@suse.de>
11346 PR middle-end/27536
11347 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
11349 2006-06-13 Richard Guenther <rguenther@suse.de>
11351 PR tree-optimization/27830
11352 * tree-inline.c (copy_body_r): For copying the operand
11353 of an ADDR_EXPR make sure to fold &* afterwards.
11355 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
11357 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
11358 lvalues in the fb_none case with side-effects.
11360 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
11362 * tree-flow.h: Remove the prototype for
11363 compute_phi_arg_on_exit.
11364 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
11365 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
11368 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
11370 * builtins.c (expand_builtin_return_addr): Only use
11371 frame_pointer_rtx when count == 0 and we are expanding
11372 __builtin_return_address.
11374 2006-06-12 Fred Fish <fnf@specifix.com>
11376 * config/mips/mips.c (mips_file_start): Create special section
11377 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
11379 2006-06-11 Eric Christopher <echristo@apple.com>
11381 PR middle-end/27948
11382 * stor-layout.c (place_field): Remove check for
11383 remaining_in_alignment when aligning at the end of a run.
11385 2006-06-11 Eric Christopher <echristo@apple.com>
11388 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
11391 2006-06-11 Roger Sayle <roger@eyesopen.com>
11394 Revert incorrect fix for PR target/27158
11395 2006-05-08 Roger Sayle <roger@eyesopen.com>
11396 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11397 of a reg_equiv_constant if the result is a legitimate constant.
11399 2006-06-11 Roger Sayle <roger@eyesopen.com>
11402 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
11403 extract a CONST_VECTOR element and interpret it as an integer.
11404 (vspltis_constant): Use const_vector_elt_as_int instead of the
11405 macro CONST_VECTOR_ELT in order to handle FP vector modes.
11406 * config/rs6000/predicates.md (easy_vector_const): Consider
11407 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
11409 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
11411 PR middle-end/27942
11412 * stor-layout.c (update_alignment_for_field): Don't add extra
11413 alignment for packed non-bitfield fields in ms_bitfield_layout_p
11416 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
11418 * config/mips/t-rtems: Add EL/EB multilib variants.
11420 2006-06-09 Mike Stump <mrs@apple.com>
11422 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
11424 2006-06-09 David Daney <ddaney@avtrex.com>
11426 * doc/install.texi: Add binutils version recommendation for mips-*-*.
11428 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
11430 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
11432 2006-06-09 Richard Guenther <rguenther@suse.de>
11434 PR tree-optimization/26998
11435 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
11436 of signed types, only TYPE_MIN_VALUE is special, but for both,
11437 minimum and maximum value. Likewise VR_ANTI_RANGE is special
11438 in this case, as is -fwrapv.
11440 2006-06-08 Mike Stump <mrs@apple.com>
11443 * config/darwin.c (darwin_asm_output_anchor): Disable
11444 -fsection-anchors on darwin for now.
11445 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
11446 * rs6000/rs6000.c (optimization_options): Likewise.
11448 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11451 * config/i386/i386.c (classify_argument): Skip fields with invalid
11454 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
11456 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
11457 (cse_insn): Likewise for the stack_pointer_rtx.
11459 2006-06-08 Roger Sayle <roger@eyesopen.com>
11461 * tree-ssa-dom.c (record_conditions): Only record "unordered"
11462 conditions from floating point comparisons.
11464 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
11466 PR middle-end/27733
11467 * expmed.c (struct alg_hash_entry): Fix type of field T
11468 to match synth_mult argument.
11469 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
11471 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11474 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
11477 2006-06-08 Richard Guenther <rguenther@suse.de>
11479 PR middle-end/27116
11480 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
11481 only, if overflow is defined and not trapping.
11482 (negate_expr): Likewise.
11484 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11486 PR tree-optimization/27872
11487 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
11488 flag on the new exit edge of the unrolled loop.
11490 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11492 PR rtl-optimization/26449
11493 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
11495 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
11497 PR middle-end/27793
11498 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
11499 referenced_variables with matching DECL_UID's.
11500 (find_referenced_vars): Make sure duplicate list is empty to start.
11501 (referenced_var_p): Remove.
11502 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
11503 Check if var is in the list, and add if needed. Update the duplicate
11504 list if a different var is in the list with the same DECL_UID.
11505 (add_referenced_var): Call routine to check and insert.
11506 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
11507 * tree-flow.h (referenced_vars_dup_list): External declaration.
11509 2006-06-07 Fred Fish <fnf@specifix.com>
11511 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
11514 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
11517 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
11518 the imaginary and real parts of a clobbered register.
11519 Emit insn to set the imaginary part.
11521 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
11523 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
11524 in lieu of unwind-dw2-fde.c.
11526 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
11528 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
11530 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
11533 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
11534 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
11535 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
11536 V4SImode temporaries and operations instead.
11538 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
11540 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
11543 2006-06-06 Mike Stump <mrs@apple.com>
11545 * Makefile.in: Rename to htmldir to build_htmldir to avoid
11546 installing during build.
11548 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11550 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
11552 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11553 * config/ia64/ia64.c (params.h): New header.
11554 (ia64_optimization_options): New function to adjust parameters.
11555 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
11556 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
11557 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
11559 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
11561 * stor-layout.c (debug_rli): Fix a typo in a debug message.
11563 2006-06-05 Steve Ellcey <sje@cup.hp.com>
11566 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
11568 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
11569 Victor Kaplansky <victork@il.ibm.com>
11571 PR tree-optimization/26360
11572 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
11575 2006-06-04 Roger Sayle <roger@eyesopen.com>
11576 Andrew Pinski <pinskia@physics.uc.edu>
11578 PR middle-end/27382
11579 * c-common.c (c_common_truthvalue_conversion): Explicitly check
11580 for LABEL_DECL before calling DECL_WEAK.
11583 * c-typeck.c (build_binary_op): Likewise, explicitly check for
11584 LABEL_DECL and PARM_DECL.
11586 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
11590 * c-decl.c (grokdeclarator): Disallow variably modified types at
11591 file scope. Avoid marking shared array type of constant size as
11594 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11597 * c-common.c (fold_offsetof_1): Handle static members.
11599 2006-06-04 Eric Christopher <echristo@apple.com>
11601 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11602 (debug_rli): Output value for remaining_in_alignment.
11603 (update_alignment_for_field): Unconditionalize
11604 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11605 extra alignment code.
11606 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11607 ms_bitfield_layout_p code. Rewrite handling of structure fields.
11608 * tree.h (record_layout_info_s): Remove prev_packed.
11609 * doc/extend.texi (ms_struct): Add documentation of format.
11611 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
11613 * tree.h: Declare folding_initializer.
11614 * builtins.c (fold_builtin_constant_p): Give definite answer
11615 if folding inside an initializer.
11616 * fold-const.c: Define folding_initializer.
11617 (START_FOLD_INIT): Save and then set folding_initializer.
11618 (END_FOLD_INIT): Restore folding_initializer.
11620 2006-06-04 Richard Guenther <rguenther@suse.de>
11622 PR tree-optimization/27039
11623 * fold-const.c (fold_comparison): Handle pointer comparison
11624 again for all comparison codes. Compare offsets in signed
11626 (fold_binary): Move code from here.
11628 2006-06-03 Roger Sayle <roger@eyesopen.com>
11631 * config/i386/i386.c (construct_container): Split static issued_error
11632 flag into issued_sse_arg_error, issued_sse_ret_error and
11633 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
11634 requires the use of x87 registers and the user explicitly
11635 specified the -mno-80387 command line option.
11637 2006-06-02 Geoffrey Keating <geoffk@apple.com>
11639 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11640 HAVE_DECL_SIGALTSTACK.
11642 (segv_handler): Use MC_FLD.
11643 * configure.ac: Check for a sigaltstack declaration.
11644 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11645 * configure: Regenerate.
11646 * config.in: Regenerate.
11648 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
11651 * Makefile.in (stmp-fixinc): Fix typo.
11653 2006-06-02 Roger Sayle <roger@eyesopen.com>
11655 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11656 are type correct. Clean-up.
11657 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
11658 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
11660 2006-06-01 DJ Delorie <dj@redhat.com>
11662 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11663 shift, as we've disabled the "switch" insn that needs it.
11665 2006-06-01 Per Bothner <bothner@bothner.com>
11667 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11668 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
11669 * c-ppoutput.c (cb_define): Don't increment line 0.
11671 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
11673 * doc/invoke.texi: Add cpu_type power6.
11674 * config.gcc: Add cpu_type power6.
11675 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11676 to power5+ with Altivec.
11677 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11678 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11680 2006-05-30 Anatoly Sokolov <aesok@post.ru>
11682 * config/avr/avr.h (SET_ASM_OP): Define.
11684 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
11686 * config/bfin/bfin.c: Fix comment typos.
11688 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11691 * doc/install.texi: Document --enable-bootstrap and
11692 --disable-bootstrap.
11694 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11696 * doc/install.texi: Document that InfoZIP can replace jar.
11698 2006-05-31 Roger Sayle <roger@eyesopen.com>
11700 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11701 isn't available, directly generate the simpler x87 patterns without
11702 the (use (const_int 0)).
11703 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11704 implementation isn't available.
11705 (*negdf2_1): Likewise.
11706 (*negxf2_1): XF mode negation is always done using the x87.
11707 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11709 2006-05-31 Roger Sayle <roger@eyesopen.com>
11711 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
11712 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
11714 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11716 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11718 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11719 * config/bfin/bfin.c (basic-block.h): Include.
11720 (struct machine_function): New.
11721 (bfin_init_machine_status): New.
11722 (override_options): Initialize init_machine_status.
11723 (bfin_hardware_loop): New.
11724 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11725 (DEF_VEC_P (loop_info)): New.
11726 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11727 (struct loop_info): New.
11728 (loop_info): New typedef.
11729 (struct loop_work): New.
11730 (loop_work): New typedef.
11731 (DEF_VEC_O (loop_work)): New.
11732 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11733 (bfin_dump_loops): New.
11734 (bfin_bb_in_loop): New.
11735 (bfin_scan_loop): New.
11736 (bfin_optimize_loop): New.
11737 (bfin_reorg_loops): New.
11738 (bfin_reorg): Use bfin_reorg_loops.
11739 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11741 (I_REGNO_P): Simplify.
11742 (DP_REGNO_P, DPREG_P): New macros.
11743 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11744 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11745 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11746 Add LT_REGS, LC_REGS, LB_REGS.
11747 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11749 (REGNO_REG_CLASS): Deal with loop registers.
11750 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11752 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11753 New constants for loop registers.
11754 (UNSPEC_LSETUP_END): New.
11755 (seq_insns): New define_attr. Set it for appropriate insns.
11756 (movsi_insn): Add alternatives for move from/to
11757 loop count registers.
11758 (doloop_end): New define_expand.
11759 (loop_end): New define_insn.
11760 (define_split for bad doloop_end): New.
11761 (lsetup_with_autoinit): New define_insn.
11762 (lsetup_without_autoinit): New define_insn.
11763 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11764 * config/bfin/predicates.md (lc_register_operand): New.
11765 (lt_register_operand): New.
11766 (lb_register_operand): New.
11767 (nondp_register_operand): New.
11768 (nondp_reg_or_memory_operand): New.
11769 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11771 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11773 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11774 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11776 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11778 * Makefile.in (CATALOGS): Add po/ prefix.
11779 * configure: Regenerated.
11781 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11784 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11785 a shift operand before calling shift_op. Avoid redundant call of
11788 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11789 DJ Delorie <dj@redhat.com>
11791 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11792 we're inserting is a singlt-bit constant.
11794 2006-05-30 Roger Sayle <roger@eyesopen.com>
11796 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11797 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11799 2006-05-30 Roger Sayle <roger@eyesopen.com>
11801 PR tree-optimization/23452
11802 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11803 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11804 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11805 complex values and with -ffast-math for FP complex values.
11807 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11809 * c-common.h: Remove the prototype for yyparse.
11810 * rtl.h: Remove the prototype for init_loop.
11812 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11814 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11817 2006-05-30 Roger Sayle <roger@eyesopen.com>
11819 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11821 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11822 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11824 2006-05-30 Dirk Mueller <dmueller@suse.de>
11827 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11828 for CONSTANT_CLASS_P expresisons.
11830 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11833 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11835 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11837 PR tree-optimization/27779
11838 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11839 initial_condition instead of CHREC_LEFT.
11841 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11843 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11844 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11845 Make prototypes ISO C90.
11847 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11848 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11850 * see.c (see_analyze_one_def): Correct check.
11851 (see_get_extension_data): Check if extension is parallel.
11852 (see_get_extension_reg): Likewise.
11854 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11857 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11858 into register for (code == GTU).
11860 2006-05-29 Roger Sayle <roger@eyesopen.com>
11862 PR tree-optimization/24964
11863 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11864 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11865 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11866 abs(x)*abs(x) as x*x for scalar floating point modes.
11868 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11870 PR middle-end/27745
11871 * lambda-code.c (perfect_nestify): Don't copy statements
11872 in the inner loop: move them to the inner loop header.
11874 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11877 * c-tree.texi: Document OpenMP directives and clauses.
11879 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11881 * varasm.c (globalize_decl): Fix indentation.
11883 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11886 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11887 pass_fre, pass_store_ccp, pass_copy_prop,
11888 pass_store_copy_prop, pass_merge_phi, pass_nrv,
11889 pass_return_slot, pass_object_size, pass_lim,
11890 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11891 pass_loop_prefetch and pass_stdarg.
11893 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
11895 * config/bfin/bfin.opt (mfdpic): New option.
11896 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11897 (EXTRA_MULTILIB_PARTS): Likewise.
11898 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11899 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11901 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11902 (CRT_CALL_STATIC_FUNCTION): New.
11903 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11905 (CRT_CALL_STATIC_FUNCTION): New.
11906 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
11908 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11909 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11910 (initialize_trampoline): Changed to handle FD-PIC code generation.
11911 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11912 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11913 (override_options): Disallow -mid-shared-library -mfdpic combination.
11914 Can't do unaligned ops if FD-PIC.
11915 Turn off flag_pic if trying to generate non-id-shared-library
11916 non-fdpic code, since it's not supported.
11917 (bfin_assemble_integer): New function.
11918 (TARGET_ASM_INTEGER): Define.
11919 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11921 * config/bfin/crtn.s: Restore them.
11922 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11924 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11925 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11926 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11927 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11928 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11930 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11931 FDPIC_REGS and FDPIC_FPTR_REGS.
11932 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11933 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11934 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11935 (load_funcdescsi): New pattern.
11936 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11937 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11938 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11940 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11942 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11945 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11947 * tree-flow.h: Remove the prototype for add_type_alias.
11948 * tree-ssa-alias.c (add_type_alias): Remove.
11950 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11952 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11953 config/fr30/fr30.md, config/i386/i386-interix.h,
11954 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11955 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11956 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11957 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11958 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11959 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11960 Follow spelling conventions.
11961 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11962 Follow spelling conventions.
11964 2006-05-27 Richard Guenther <rguenther@suse.de>
11966 PR middle-end/27773
11967 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11968 to produce a constant of value 1 of generic type.
11970 2006-05-27 Dirk Mueller <dmueller@suse.de>
11972 * cgraphunit.c (decide_is_function_needed): Fix wrong
11975 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11977 PR rtl-optimization/27661
11978 * reload.c (find_reloads): When reloading a VOIDmode constant
11979 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11980 use Pmode as mode of the reload register.
11982 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11984 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11985 is enabled at -O and above.
11987 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11990 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11993 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11996 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11997 for anonymous variables explicitly declared by front ends.
11999 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
12001 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
12002 (struct alias_info): Add new field ref_all_symbol_mem_tag.
12003 * tree-ssa-alias.c (compute_may_aliases): If the program contains
12004 ref-all pointers, run a finalization pass for them.
12005 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
12006 (finalize_ref_all_pointers): New function.
12007 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
12008 regular pointer type to a ref-all pointer type.
12009 (get_tmt_for): Return the special memory tag for ref-all pointers.
12011 2006-05-25 Richard Guenther <rguenther@suse.de>
12013 PR middle-end/27743
12014 * fold-const.c (fold_binary): Do not look at the stripped
12015 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
12017 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
12019 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
12020 for LT and GT if the computed range is effectively empty.
12022 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12025 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
12026 mips_quad_format formats instead of ieee_single_format,
12027 ieee_double_format and ieee_quad_format formats, respectively.
12029 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
12031 PR tree-optimization/27639
12032 PR tree-optimization/26719
12033 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
12034 call to scev_probably_wraps_p.
12035 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
12036 used_in_pointer_arithmetic_p, convert_step): Removed.
12037 (nowrap_type_p): New function.
12038 (scev_probably_wraps_p): Rewritten.
12039 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
12040 chrec_convert if chrec_convert_aggressive might have been used.
12041 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
12042 scev_direction): New functions.
12043 (chrec_convert): Changed to a wrapper over chrec_convert_1.
12044 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
12045 instead of convert_step.
12046 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
12047 (convert_step): Declaration removed.
12048 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
12050 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
12052 * df-core.c: Added to header comments.
12053 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
12054 df_ur_bb_info, df_urec_bb_info): Added comments.
12055 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
12056 urec, ri problems): Fixed header comments.
12057 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
12058 code from df_rd_transfer_function.
12060 2006-05-23 Richard Sandiford <richard@codesourcery.com>
12062 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
12063 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
12064 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
12066 2006-05-23 Joseph Myers <joseph@codesourcery.com>
12068 * expr.c (undefined_operand_subword_p): New.
12069 (emit_move_multi_word): Do not generate move from undefined bits
12070 of a paradoxical subreg.
12072 2006-05-23 Richard Sandiford <richard@codesourcery.com>
12074 PR rtl-optimization/27736
12075 * combine.c (replaced_rhs_value): New variable.
12076 (combine_instructions): Set it.
12077 (distribute_notes): When distributing a note in replaced_rhs_insn,
12078 check whether the value was used in replaced_rhs_value.
12080 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
12083 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
12084 add_referenced_var instead of add_referenced_tmp_var.
12085 * tree-complex.c (create_one_component_var): Use add_referenced_var.
12086 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
12087 add_referenced_var.
12088 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
12089 tree_optimize_tail_calls_1): Use add_referenced_var.
12090 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
12091 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
12092 Use add_referenced_var.
12093 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
12094 * gimplify.c (force_gimple_operand): Use add_referenced_var.
12095 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
12096 Use add_referenced_var.
12097 * tree-dfa.c (struct walk_state): Remove.
12098 (find_referenced_vars): Remove walk state and vars_found hash table.
12099 (make_rename_temp): Use add_referenced_var.
12100 (find_vars_r): Pass less parameters to add_referenced_var.
12101 (referenced_var_p): New. Is var in referenced_var hash table.
12102 (referenced_var_insert): Assert var isn't already in hash table.
12103 (add_referenced_var): Don't need walk_state parameter. Add var if it
12104 isn't already in the hash table.
12105 (add_referenced_tmp_var): Remove.
12106 (find_new_referenced_vars_1): Use add_referenced_var.
12107 * tree-ssa-pre.c (create_expression_by_pieces,
12108 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
12109 Use add_referenced_var.
12110 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
12111 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
12112 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
12113 add_referenced_var.
12114 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12115 vect_create_data_ref_ptr, vect_create_destination_var,
12116 vect_init_vector, vect_build_loop_niters,
12117 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
12118 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
12119 Use add_referenced_var.
12120 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
12121 * tree-flow.h (add_referenced_tmp_var): Remove prototype
12122 (add_referenced_var): Add prototype.
12123 * tree-ssa-structalias.c (get_constraint_for,
12124 intra_create_variable_infos): Use add_referenced_var.
12126 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
12128 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
12129 big-endian paradoxical subregs.
12130 * var-tracking.c (struct micro_operation_def): Document that,
12131 for modify micro operations, insn is the subsequent instruction.
12132 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
12133 (var_reg_set, var_mem_set): ... new functions.
12134 (add_stores): Record subsequent insn.
12135 (compute_bb_dataflow): Use new functions for MO_USE.
12136 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
12137 notes after the insn, and modify notes before the insn known
12138 to be the subsequent one.
12139 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
12141 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
12144 * config/i386/i386.c (ix86_expand_builtin): Use
12145 gen_sse3_monitor64 for TARGET_64BIT.
12147 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
12149 PR rtl-optimization/26375
12150 PR rtl-optimization/26855
12151 * df-problems (df_ru_bb_local_compute_process_def): Removed update
12153 (df_ru_bb_local_compute): Reversed statements and removed bogus
12154 comment explaining why they should be in wrong order.
12155 (df_ru_dump, df_rd_dump): Enhanced debug info.
12156 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
12158 * ddg.c (add_deps_for_def): Converted use of reaching defs to
12159 reaching uses and fixed space problem.
12161 2006-05-23 Jan Hubicka <jh@suse.cz>
12163 * cgraphunit.c (decide_is_function_needed): Also nested functions
12164 and functions declared inline can be optimized out at -O0.
12166 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
12168 * doc/install.texi (Configuration): Remove reference to CrossGCC
12169 FAQ which was gone.
12172 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
12175 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
12176 ix86_compare_emitted is non-NULL.
12178 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12181 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
12184 2006-05-22 Richard Sandiford <richard@codesourcery.com>
12186 PR rtl-optimization/25514
12187 * combine.c (replaced_rhs_insn): New variable.
12188 (combine_instructions): Set replaced_rhs_insn when trying to replace
12189 a SET_SRC with a REG_EQUAL note.
12190 (distribute_notes): Use replaced_rhs_insn when determining the live
12191 range of a REG_DEAD register.
12193 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
12194 Anatoly Sokolov <aesok@post.ru>
12196 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
12197 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
12198 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
12199 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
12200 atmega3290, atmega649, atmega6490, atmega406, atmega640,
12201 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
12202 at90usb647, at90usb1286 and at90usb1287 devices.
12203 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
12204 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
12206 2006-05-22 Richard Sandiford <richard@codesourcery.com>
12208 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
12210 2006-05-22 Richard Guenther <rguenther@suse.de>
12213 2006-01-31 Richard Guenther <rguenther@suse.de>
12214 Paolo Bonzini <bonzini@gnu.org>
12216 * doc/install.texi (--disable-libgcc-math): Document.
12218 2006-05-22 Richard Guenther <rguenther@suse.de>
12221 2006-01-31 Richard Guenther <rguenther@suse.de>
12223 * doc/invoke.texi (-msselibm): Document.
12224 * target.h (expand_library_builtin): New target hook.
12225 * builtins.c (expand_builtin): Use expand_library_builtin.
12226 (default_expand_library_builtin): New function.
12227 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12228 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12229 (link_gcc_math_spec): Declare.
12230 (static_specs): Add link_gcc_math_spec.
12231 * expr.h (default_expand_library_builtin): Declare.
12232 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12233 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12234 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12235 * config/i386/i386.opt (msselibm): New target option.
12236 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12237 (ix86_init_sse_abi_builtins): New function.
12238 (ix86_expand_library_builtin): Likewise.
12239 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12240 (override_options): Handle error conditions wrt -msselibm.
12241 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12242 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12243 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12246 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12249 * c-common.c (self_promoting_args_p): Skip erroneous args.
12252 * c-decl.c (finish_struct): Skip erroneous fields.
12254 2006-05-22 Nick Clifton <nickc@redhat.com>
12256 * config/cris/cris.opt (march): Remove VarExists attribute.
12257 (max-stackframe=): Likewise.
12259 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
12261 * doc/rtl.texi: Fix a typo.
12262 * see.c: Fix comment typos.
12264 * tree-ssa-structalias.h (alias_info): Remove num_references.
12266 2006-05-21 Mike Stump <mrs@apple.com>
12268 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
12270 (darwin_pragma_options): Use BAD instead.
12271 (darwin_pragma_unused): Likewise.
12272 (darwin_pragma_ms_struct): Likewise.
12274 2006-05-21 David Edelsohn <edelsohn@gnu.org>
12276 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
12278 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
12280 PR rtl-optimization/27671
12281 * simplify-rtx.c (simplify_relational_operation_1): Fix
12282 simplifications of (eq/ne (xor x y) y) and
12283 (eq/ne (xor x y) x).
12285 PR tree-optimization/26622.
12286 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
12289 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
12291 * tree-cfg.c: Prune whitespace.
12292 (debug_tree_cfg): Point to correct header containing the
12295 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
12297 PR middle-end/25776
12298 * cgraphunit.c (verify_cgraph_node): Typo in error message.
12300 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
12302 PR middle-end/25776
12303 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
12304 or sorry count is non zero.
12306 2006-05-20 Andreas Schwab <schwab@suse.de>
12308 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
12310 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
12311 Kenneth Zadeck <zadeck@naturalbridge.com>
12313 PR rtl-optimization/26855
12315 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
12317 (df_scan_alloc): Added code to properly handle multiword hard
12318 registers and add all_blocks parameter.
12319 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
12320 code to properly handle multiword hard registers.
12321 (df_rescan_blocks): Added code to remove deleted blocks from
12323 (df_ref_create_structure, df_ref_record): Added code to properly
12325 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
12326 and set DF_REF_PARTIAL.
12327 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
12328 (df_uses_record): Added DF_REF_PARTIAL for subreg.
12329 (df_scan_add_problem): Added flags parameter.
12330 (df_ref_create_structure): Changed switching structure.
12331 (df_bb_refs_record): Fixed case where duplicate artificial refs
12332 were created. Changed location of flags.
12333 (df_record_entry_block_defs): Added code to make stack pointer
12334 live in entry block. Refined cases where frame pointer is needed.
12335 Changed location of flags.
12336 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
12337 (df_set_state): Removed function.
12338 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
12339 df_insn_create_insn_record, df_insn_refs_delete,
12340 df_ref_create_structure): Formatting changes.
12341 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
12342 df_delete_basic_block): New function.
12343 (df_init): Changed location of flags.
12344 (df_add_problem): Added flags parameter and the way flags are
12346 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
12347 debug_df_chain): Improved debugging output.
12348 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
12349 (df_refs_chain_dump): Removed df parameter.
12350 (df_iterative_dataflow): Added consistency check.
12351 (df_prune_to_subcfg): Made public.
12352 (df_analyze_problem): Added blocks_to_init parameter and made
12354 (df_ref_record, df_bb_refs_record, df_mark_reg,
12355 df_record_exit_block_uses): Whitespace changes.
12356 (df_dump): Whitespace changes.
12357 * df.h: Some reordering to remove forward references.
12358 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
12359 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
12360 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
12361 (dataflow.flags): New field.
12362 (df.flag): Deleted field.
12363 (df_alloc_function): Added additional bitmap parameter.
12364 (df_dependent_problem_function): New type.
12365 (df_problem.changeable_flags): New field.
12366 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
12367 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
12368 (df_mw_hardreg): New struct.
12369 (DF_INSN_UID_MWS): New macro.
12370 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
12372 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
12373 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
12374 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
12375 (df_set_state): Removed function.
12376 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
12377 * df-problems.c (df_chain_dump): Removed df parameter.
12378 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
12379 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
12381 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
12382 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
12383 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
12384 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
12385 DF_REF_MUST_CLOBBER cases.
12386 (df_ru_bb_local_compute_process_def,
12387 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
12388 df_lr_bb_local_compute, df_ur_bb_local_compute,
12389 df_chain_create_bb): Made subreg aware.
12390 (df_ru_bb_local_compute, df_rd_bb_local_compute,
12391 df_lr_bb_local_compute, df_lr_bb_local_compute,
12392 df_chain_create_bb): Cleanup to use proper macros.
12393 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
12394 code to fixup bitvectors.
12395 (df_ri_alloc): Cleared lifetime.
12396 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
12397 df_create_unused_note): New function.
12398 (df_ri_bb_compute, df_ri_compute): Added code to create/update
12399 REG_DEAD and REG_UNUSED notes as well as register information.
12400 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
12401 df_chains_dump): Fixed crash if problem was never run.
12402 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
12403 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
12404 df_ri_add_problem): Processes flags in uniform manner.
12405 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
12406 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
12407 df_rd_dump, df_urec_free_bb_info): Formatting changes.
12408 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
12409 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
12410 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
12411 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
12412 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
12413 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
12414 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
12415 * see.c (see_initialize_data): Ditto.
12416 * final.c (rest_of_clean_state) Added regstack_completed.
12417 * rtl.h (regstack_completed): Ditto.
12418 * reg-stack.c (regstack_completed): Ditto.
12420 2006-05-19 Mike Stump <mrs@apple.com>
12422 * c-tree.h (default_conversion): Remove.
12423 * c-common.h (default_conversion): Add.
12425 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
12427 * tree-vrp.c (valid_value_p): New function.
12428 (adjust_range_with_scev): Fail if the value of bound is not
12431 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12433 * config/mips/linux-unwind.h: Include <asm/unistd.h>
12434 (mips_fallback_frame_state): Use syscall numbers to determine
12435 the appropriate li instruction for the current ABI. Only use
12436 __NR_sigreturn for o32.
12438 2006-05-19 Nicolas Setton <setton@adacore.com>
12440 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
12441 * langhooks.c (lhd_dwarf_name): New function.
12442 * langhooks-def.h (lhd_dwarf_name): Declare.
12443 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
12444 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
12446 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12448 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
12450 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
12451 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
12452 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
12453 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
12454 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
12455 determine the size of Wtype, etc.
12456 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
12457 (swfloatfuncs): New variable.
12458 (dwfloatfuncs): Likewise.
12459 (lib2funcs): Remove floating-point conversion functions from
12460 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
12461 the set of conversion routines needed. Allow entries to specify
12462 an object name, filename and word size. Update users accordingly.
12463 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
12464 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
12468 2006-02-08 Roger Sayle <roger@eyesopen.com>
12471 * config/fixtfdi.c: New libgcc source file.
12472 * config/fixunstfdi.c: New source file.
12473 * config/floatditf.c: New source file.
12474 * config/floatunditf.c: New souce file.
12475 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12476 files above instead of config/mips/_tilib.c.
12477 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12479 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12481 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
12482 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
12484 2006-05-18 Mike Stump <mrs@apple.com>
12486 Fix up vla, vm and [*] sematics.
12492 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
12493 (c_vla_unspec_p): Add.
12494 (c_vla_type_p): Add.
12495 * c-decl.c (struct c_scope): Add had_vla_unspec.
12496 (build_array_declarator): Add support for [*].
12497 (grokdeclarator): Likewise.
12498 (grokparms): Likewise.
12499 (get_parm_info): Likewise.
12500 * c-objc-common.c (c_vla_unspec_p): Likewise.
12501 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
12502 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
12503 typeof when argument is a variably modified type not inside sizeof or alignof.
12504 (c_parser_direct_declarator_inner): Propagate errors.
12505 (c_parser_sizeof_expression): Add support for [*].
12506 (c_parser_parms_declarator): Initialize had_vla_unspec.
12507 (c_parser_parms_list_declarator): Likewise.
12508 * c-typeck.c (c_vla_type_p): Add.
12509 (composite_type): Add support for vla compositing.
12510 (comptypes_internal): Add support for vla compatibility.
12511 (c_expr_sizeof_expr): Evaluate vla arguments.
12512 * tree.c (variably_modified_type_p): Update comment for [*].
12514 2006-05-18 Michael Matz <matz@suse.de>
12517 * config.host: Make assignments to host_xmake_file cumulative.
12518 * config.host (*-darwin*): Test $host, not $target.
12520 2006-05-12 Stuart Hastings <stuart@apple.com>
12522 * config/i386/i386.opt (-mstackrealign): New flag.
12523 * config/i386/i386.c (force_align_arg_pointer): New attribute.
12524 (ix86_handle_cconv_attribute): Emit error when
12525 force_align_arg_pointer attribute collides with too many regparms.
12526 (ix86_function_regparm): Limit regparms when used with
12527 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
12528 Support stack-realigning prologue in non-main functions. Emit
12529 warning for nested functions under -mstackrealign, emit error for
12530 nested functions with force_align_arg_pointer attribute.
12531 * doc/extend.texi (force_align_arg_pointer): Document it.
12532 * doc/invoke.texi (-mstackrealign): Document it.
12534 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
12536 PR rtl-optimization/27477
12537 * combine.c (try_combine): Don't split a parallel consisting
12538 of two sets into two individual sets if both sets reference
12541 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
12543 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
12544 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
12546 * doc/options.texi (VarExists): Updated.
12548 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12550 * unwind-dw2.c: Add declarations for uw_update_context and
12551 uw_frame_state_for.
12552 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
12553 detected, advance frame state and context once to skip over stub.
12555 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12557 PR middle-end/20256
12558 PR middle-end/26435
12559 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
12560 Call rewrite_into_loop_closed_ssa only when something changed.
12561 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
12562 * lambda-code.c (can_convert_to_perfect_nest): Declared.
12563 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
12564 Test for perfect_nest_p here. Fix formating.
12565 (replace_uses_equiv_to_x_with_y): Fix formating.
12566 (stmt_uses_op): Removed.
12567 (can_convert_to_perfect_nest): Removed loopivs parameter.
12568 Complete the test by checking the scalar dependences.
12569 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
12572 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12575 From Dan Kegel <dank@kegel.com>:
12576 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
12578 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
12580 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
12581 if the element type is variably modified without recursing.
12583 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12585 PR middle-end/27332
12586 * tree-loop-linear.c (try_interchange_loops): Test for
12587 no data dependences.
12589 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
12591 PR tree-optimization/27548
12592 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12593 range of ssa names that appear on abnormal edges.
12594 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12595 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12597 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12599 PR middle-end/27620
12600 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
12602 2006-05-17 Jakub Jelinek <jakub@redhat.com>
12604 PR middle-end/27415
12605 * tree.h (OMP_PARALLEL_COMBINED): Define.
12606 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12607 (new_omp_context): Add is_combined_parallel argument.
12608 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12609 new_omp_context caller.
12610 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12611 Adjust gimplify_scan_omp_clauses callers.
12612 (omp_is_private): Issue errors if iteration variable is firstprivate
12613 or reduction in the current context.
12614 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12615 on combined parallel workshare constructs.
12617 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12619 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12620 (gcc-options.o): New rule.
12622 * optc-gen.awk: Protect variables for gcc-options.o with
12623 #ifdef GCC_DRIVER/#endif.
12625 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
12627 Fix PR tree-optimization/27373
12628 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12629 (forward_propagate_addr_expr): Update call.
12631 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12633 * doc/options.texi: Move the Negative option.
12635 2006-05-16 Richard Guenther <rguenther@suse.de>
12637 PR tree-optimization/22303
12638 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12640 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12641 ccp_fold did not simplify the statement.
12643 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12646 * Makefile.in (GCC_OBJS): New.
12647 (OBJS-common): Add opts-common.o.
12648 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12649 (cpp$(exeext)): Likewise.
12650 (gcc.o): Also depend on opts.h.
12651 (opts-common.o): New.
12653 * common.opt (gcoff): Add Negative(gdwarf-2).
12654 (gdwarf-2): Add Negative(gstabs).
12655 (gstabs): Add Negative(gstabs+).
12656 (gstabs+): Add Negative(gvms).
12657 (gvms): Add Negative(gxcoff).
12658 (gxcoff): Add Negative(gxcoff+).
12659 (gxcoff+): Add Negative(gcoff).
12660 * config/i386/i386.opt (m32): Add Negative(m64).
12661 (m64): Add Negative(m32).
12663 * doc/options.texi: Document the Negative option.
12665 * gcc.c: Include "opts.h".
12666 (main): Call prune_options after expandargv.
12668 * optc-gen.awk: Generate common declarations for all flag
12669 variables in options.c. Output the neg_index field.
12671 * opts.c (find_opt): Moved to ...
12672 * opts-common.c: Here. New file.
12674 * opts.h (cl_option): Add a neg_index field.
12676 (prune_options): Likewise.
12678 2006-05-16 Jakub Jelinek <jakub@redhat.com>
12680 PR middle-end/27573
12681 * omp-low.c (expand_omp_parallel): Don't assert
12682 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12683 instead search for it.
12686 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12689 2006-05-16 Andreas Schwab <schwab@suse.de>
12691 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12694 2006-05-15 Roger Sayle <roger@eyesopen.com>
12697 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12698 integer constants other than zero are only legitimate on TARGET_64BIT.
12699 <CONST_VECTOR> Only zero vectors are legitimate.
12700 (ix86_cannot_force_const_mem): Integral and vector constants can
12701 always be put in the constant pool.
12703 2006-05-16 DJ Delorie <dj@redhat.com>
12705 * crtstuff.c (__dso_handle): Set section from
12706 TARGET_LBIGCC_SDATA_SECTION if defined.
12707 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12708 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12710 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
12713 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12716 2006-05-16 Ben Elliston <bje@au.ibm.com>
12718 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12720 2006-05-15 Per Bothner <per@bothner.com>
12722 * tree.c: (last_annotated_node): Use source_locus typedef.
12723 This permits bootstrapping with --enable-mapped-location.
12725 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12727 PR tree-optimization/26830
12728 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12729 (info_for_ssa_name, current_info_for_ssa_name_age,
12730 blocks_to_update): New variables.
12731 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12732 (clear_ssa_name_info, initialize_flags_in_bb,
12733 mark_block_for_update): New functions.
12734 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12735 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12736 prepare_def_site_for): Use mark_block_for_update.
12737 (mark_def_interesting): Assert that the processed block is marked in
12738 blocks_to_update. Do not take blocks argument.
12739 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12741 (rewrite_update_init_block, rewrite_update_stmt): Only process
12742 blocks with statements to rewrite.
12743 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12744 (update_ssa): Initialize and free blocks_to_update. Do not
12745 clear flags on statements. Do not use blocks bitmap.
12746 * tree.h (SSA_NAME_AUX): Removed.
12747 (struct tree_ssa_name): Removed aux field.
12748 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12750 2006-05-15 Richard Guenther <rguenther@suse.de>
12752 PR tree-optimization/27603
12753 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12754 Do computations in original type.
12756 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12758 * see.c: Code style changes such as redundant paranthesis,
12759 redundant intialization of local variables etc.
12760 (see_main): Declared now as static.
12761 * doc/invoke.texi: Update that -fsee is not enabled by
12764 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12766 * omp-low.c (check_omp_nesting_restrictions): New function.
12767 (scan_omp_1): Call it.
12769 PR middle-end/27416
12770 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12771 construct, return *VAR.
12773 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12775 PR rtl-optimization/27406
12776 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12779 2006-05-14 Roger Sayle <roger@eyesopen.com>
12781 PR rtl-optimization/27538
12782 * combine.c (expand_compound_operation): Call gen_lowpart
12783 before calling simplify_shift_const.
12785 2006-05-14 Roger Sayle <roger@eyesopen.com>
12787 PR rtl-optimization/22563
12788 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12789 a fixed width bitfield, always force the intermediates into psuedos.
12791 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12794 * mkconfig.sh: Use operator = instead of == for test.
12796 2006-05-13 Nick Clifton <nickc@redhat.com>
12798 * dwarf2out.c (dbx_reg_number): Check return value from
12799 LEAF_REG_REMAP and only use it if it is valid.
12800 (multiple_reg_loc_descriptor): Likewise.
12802 2006-05-13 Richard Guenther <rguenther@suse.de>
12804 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12807 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12809 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12810 information attached to non-INSNs such as NOTEs.
12811 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12813 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12815 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12817 * config/s390/s390.md: Adjust comment describing On constraint.
12819 2006-05-11 Jan Hubicka <jh@suse.cz>
12821 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12822 to be output at -O0.
12824 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12826 PR middle-end/27384
12827 * fold-const.c (size_binop): Move sanity check for arguments to
12828 the beginning of the function.
12830 PR middle-end/27488
12831 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12834 2006-05-11 Richard Guenther <rguenther@suse.de>
12836 PR middle-end/27529
12837 * fold-const.c (fold_unary): Handle intermediate conversion
12838 to a pointer type like intermediate conversion to an integer
12839 type in folding of (T1)(T2)var to var.
12840 Match the code to the comment in the final conversion for
12841 (T1)(T2)var to (T1)var regarding to type precision. Rather
12842 than disallow T1 being of pointer type, assert that both T1
12843 and var are of pointer type or not. Make sure not to fall
12844 over the frontends lazyness wrt array to pointer decay though.
12846 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12848 * arm.c (arm_struct_value_rtx): Delete.
12849 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12850 (arm_init_cumulative_args): Always initialize nregs to zero.
12852 2006-05-10 Richard Guenther <rguenther@suse.de>
12854 PR tree-optimization/27532
12855 * tree-object-size.c (plus_expr_object_size): Fix typo.
12857 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12860 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12861 ashrdi_const, ashrdi3): Use a scratch register.
12863 2006-05-10 Richard Guenther <rguenther@suse.de>
12865 PR tree-optimization/27302
12866 * fold-const.c (operand_equal_p): For two comparisons,
12867 try comparison of one comparison code swapped if that yields
12870 2006-05-10 Ben Elliston <bje@au.ibm.com>
12872 * tree-pretty-print.c (pretty_print_string): No need to handle
12873 '\0' as a special character.
12875 * tree.h: Include "hashtab.h".
12876 (iterative_hash_expr): Use hashval_t in its prototype.
12877 * Makefile.in (TREE_H): Add $(HASHTAB_H).
12879 2006-05-09 Steve Ellcey <sje@cup.hp.com>
12882 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12883 (hppa*64*-*-hpux11*): Ditto.
12884 (hppa[12]*-*-hpux11*): Ditto.
12886 2006-05-09 David Edelsohn <edelsohn@gnu.org>
12889 * config/rs6000/aix41.h (TARGET_64BIT): Define.
12891 2006-05-09 Michael Matz <matz@suse.de>
12893 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12894 host_extra_gcc_objs and host_xmake_file.
12895 (<*-*-linux*>): Don't overwrite host_xmake_file.
12896 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12897 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12898 (host_detect_local_cpu): Declare.
12899 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12900 * config/i386/i386.c (override_options): Handle -mtune=native
12902 * config/i386/x-i386: New file.
12903 * config/i386/driver-i386.c: New file.
12904 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12907 2006-05-09 Dirk Mueller <dmueller@suse.de>
12908 Richard Guenther <rguenther@suse.de>
12910 PR middle-end/27498
12911 * fold-const.c (fold_read_from_constant_string): Relax check
12912 for matching types to matching modes.
12914 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
12916 PR rtl-optimization/27335
12917 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12920 2006-05-08 Chao-ying Fu <fu@mips.com>
12921 Richard Sandiford <richard@codesourcery.com>
12923 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12924 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12925 * config/mips/mips.md (UNSPEC_SCC): New constant.
12926 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12927 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12928 (mips_emit_compare): Use it.
12929 (mips_expand_vcondv2sf): New function.
12931 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
12933 Fix PR tree-optimization/27093
12934 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12935 renaming when they become not-used_alone.
12937 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12939 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12940 relocation and relocation stubs.
12942 2006-05-08 Eric Christopher <echristo@apple.com>
12944 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12947 2006-05-08 Jan Hubicka <jh@suse.cz>
12949 PR middle-end/24561
12950 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12951 unused static functions are needed.
12953 2006-05-08 Roger Sayle <roger@eyesopen.com>
12956 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12957 of a reg_equiv_constant if the result is a legitimate constant.
12959 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12962 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12963 standard 80387 constants, raise the cost to prevent
12964 compress_float_constant() to generate load from memory.
12966 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12968 * config/arm/constraints.md (c): Fix a typo.
12970 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12973 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12976 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12978 (_mm_mwait): Likewise.
12980 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12982 (sse3_monitor): Make it 32bit only.
12983 (sse3_monitor64): New. 64bit monitor.
12985 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12988 * config/i386/i386.c (classify_argument): Skip fields with invalid
12991 2006-05-07 Richard Guenther <rguenther@suse.de>
12993 PR tree-optimization/27409
12994 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12995 Do not try to find zero-sized subvars.
12997 2006-05-07 Richard Guenther <rguenther@suse.de>
12999 PR tree-optimization/27136
13000 * tree-ssa-loop-niter.c (get_val_for): Correct function
13001 comment, assert requirements.
13002 (loop_niter_by_eval): Stop processing if the iterated
13003 value did not simplify.
13005 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
13007 * opts.c (flag_see): remove its setting at -O3.
13009 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
13011 * genpeep.c (main): Make insn-peep.c depend on flags.h.
13012 * arm/constraints.md: New file.
13013 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
13014 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
13015 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
13016 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
13017 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
13018 (EXTRA_MEMORY_CONSTRAINT): Likewise.
13019 * arm.md: Include constraints.md.
13020 (thumb_movsi_insn): Use satisfies_constraint_J.
13021 (movhi, movqi): Use satisfies_constraint_I.
13023 2006-04-29 Anatoly Sokolov <aesok@post.ru>
13025 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
13026 for atmeg a645 device.
13028 2006-05-06 Richard Guenther <rguenther@suse.de>
13030 PR tree-optimization/27151
13031 * tree-vect-transform.c (vectorizable_condition): Punt on
13032 values that have a different type than the condition.
13034 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
13037 * c-parser.c (c_parser_cast_expression): Only insert casts into
13038 hash table if pointer.
13039 * function.c (used_types_insert_helper): Rename from
13041 (used_types_insert): Call used_types_insert_helper.
13042 * function.h (used_types_insert): Accept only one argument.
13044 2006-05-05 David Edelsohn <edesohn@gnu.org>
13046 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
13047 scratch with output modifier.
13049 2006-05-04 David Edelsohn <edelsohn@gnu.org>
13052 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
13053 with output modifier.
13055 2006-05-04 Richard Sandiford <richard@codesourcery.com>
13058 * config/mips/mips.c (mips_symbolic_address_p): Return true
13059 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
13060 SYMBOL_GOTTPREL, and SYMBOL_TLS.
13062 2006-05-04 Richard Guenther <rguenther@suse.de>
13064 PR tree-optimization/14287
13065 PR tree-optimization/14844
13066 PR tree-optimization/19792
13067 PR tree-optimization/21608
13068 PR tree-optimization/27090
13069 * tree-ssa-pre.c (try_combine_conversion): New function.
13070 (compute_avail): After constructing the value-handle
13071 expression, use try_combine_conversion to combine NOP_EXPRs
13072 with previous value-handle expressions and use the result if it
13075 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
13077 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
13079 2006-05-04 Jan Hubicka <jh@suse.cz>
13081 PR middle-end/25962
13082 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
13084 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
13086 * config/bfin/predicates.md (const01_rtx): Tell generator programs
13087 that this only matches CONST_INTs. All users changed to VOIDmode
13090 * config/bfin/bfin.c: Include "optabs.h".
13091 (bfin_rtx_costs): Some costs for vector operations, to allow combine
13093 (enum bfin_builtins): Add a number of fractional and vector builtins.
13094 (bfin_init_builtins): Likewise.
13095 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
13096 (safe_vector_operand, bfin_expand_binop_builtin,
13097 bfin_expand_unop_builtin): New functions.
13098 (bfin_expand_builtin): Handle the new builtins.
13099 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
13102 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
13105 * Makefile.in (OBJS-common): Add see.o.
13106 (see.o): Add dependencies.
13107 * common.opt (fsee): New flag for the see optimization was added.
13108 * opts.c (flag_see): Initialized.
13109 * passes.c (init_optimization_passes, pass_see): New pass.
13110 * rtl.h (see_main): Declaration as extern.
13111 * timevar.def (TV_SEE): New.
13112 * tree-pass.h (pass_see): Declaration as extern.
13113 * invoke.texi (-fsee): Document.
13114 * recog.c (validate_simplify_insn): New function.
13115 * recog.h (validate_simplify_insn): Declaration as extern.
13116 * df-problems.c (df_chain_dump): Check for NULL.
13118 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
13119 Daniel Berlin <dberlin@dberlin.org>
13121 * cfgrtl.c (insert_insn_bb_end_new): New function.
13122 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
13124 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
13126 * df.h (struct web_entry): Moved from web.c.
13127 (union_defs): Declaration as extern.
13128 (unionfind_root): Likewise.
13129 (unionfind_union): Likewise.
13130 * web.c (struct web_entry): Moved to df.h.
13131 (unionfind_root): Remove static declaration.
13132 (unionfind_union): Likewise.
13133 (union_defs): Likewise and generalize to use callback function.
13134 (web_main): Update arguments for union_defs function call.
13136 2006-05-04 Richard Guenther <rguenther@suse.de>
13138 PR tree-optimization/26447
13139 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
13140 produce SSA_NAME copies before the store stmt to avoid
13141 breaking exception handling.
13143 2006-05-04 Jakub Jelinek <jakub@redhat.com>
13145 PR middle-end/27388
13146 * gimplify.c (omp_is_private): If var is shared in some outer context,
13147 return false instead of true. Stop searching on parallel context
13150 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
13153 * coverage.c: Use get_gcov_unsigned_t() instead of
13154 unsigned_type_node all over.
13156 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
13158 PR tree-optimization/27381
13159 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
13160 maintain the same immediate_use links.
13161 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
13162 node rather than segfaulting.
13164 2006-05-03 Jakub Jelinek <jakub@redhat.com>
13167 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
13168 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
13169 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
13171 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
13173 Fix PR tree-optimization/26626
13174 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
13176 * tree-ssa-operands.c (access_can_touch_variable): Allow
13177 typecasting through union pointers.
13179 2006-05-02 Jakub Jelinek <jakub@redhat.com>
13182 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
13183 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
13184 to find if var will be a global variable even in the nested context.
13185 (omp_copy_decl): Only check for global variable at the end, it might
13186 be overridden in outer contexts.
13187 (scan_sharing_clauses): For global variables don't create a field.
13188 (lower_rec_input_clauses): Do nothing for global shared variables.
13189 Emit a barrier at the end of ILIST if there were any decls in both
13190 firstprivate and lastprivate clauses.
13191 (lower_send_clauses): Do nothing for global variables except for
13194 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
13196 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
13197 of the correct signedness is returned.
13199 2006-05-02 Jeff Law <law@redhat.com>
13201 PR tree-optimization/27364
13202 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
13203 multiply expressions.
13205 2006-05-02 Tom Tromey <tromey@redhat.com>
13207 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
13209 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
13212 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
13213 -mthumb -fPIC are used.
13215 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
13216 Joshua Kinard <kumba@gentoo.org>
13219 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
13220 with 64-bit pointers.
13222 2006-05-02 Paul Brook <paul@codesourcery.com>
13224 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
13226 (create_fix_barrier): Check that a suitable barrier location is
13228 (arm_reorg): Include ftmp->address in allowable range of addresses.
13230 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
13233 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
13236 2006-05-02 Jakub Jelinek <jakub@redhat.com>
13238 PR middle-end/27337
13239 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
13240 around RESULT_DECL for result passed by reference.
13241 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
13242 * omp-low.c (use_pointer_for_field): Don't look at
13243 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
13244 (scan_omp_1): Call remap_decl on RESULT_DECLs.
13245 (lower_rec_input_clauses): Don't allocate VLA memory for the second
13246 time or var for passing by reference for
13247 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
13248 TREE_ADDRESSABLE variables when passing by reference.
13250 * omp-low.c (dump_omp_region): Fix output formatting.
13252 PR middle-end/27328
13253 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
13254 (expand_omp_parallel): Likewise.
13255 * tree-cfg.c (move_sese_region_to_fn): Likewise.
13257 PR middle-end/27325
13258 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
13259 on statement list containing also constructors and destructors.
13260 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
13262 PR middle-end/27310
13263 * except.c (duplicate_eh_regions): Fix clearing of
13264 cfun->eh->region_array entries.
13266 2006-05-01 DJ Delorie <dj@redhat.com>
13268 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
13270 (gcc_cv_objdump): Likewise.
13271 * configure: Regenerated.
13273 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
13276 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
13277 templates for case 3 and 4.
13279 2006-05-01 DJ Delorie <dj@redhat.com>
13281 * vec.c: Include bconfig.h when appropriate.
13282 * Makefile.in (build/vec.o): Adjust dependencies.
13283 * mkconfig.sh: Make sure config.h isn't used for build machine
13286 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13288 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
13290 (mark_phi_for_rewrite): New function.
13291 (insert_phi_nodes_for, mark_use_interesting): Call
13292 mark_phi_for_rewrite.
13293 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
13294 (update_ssa): Initialize and free phis_to_rewrite.
13296 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13298 PR rtl-optimization/27291
13299 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
13300 folded to a constant.
13302 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13304 PR tree-optimization/27283
13305 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
13306 not whole # of iteration descriptions.
13307 (niter_for_exit): Return just # of iterations. Fail if # of iterations
13308 uses abnormal ssa name.
13309 (niter_for_single_dom_exit): Ditto.
13310 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
13311 return just the number of iterations.
13313 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13315 PR tree-optimization/27144
13316 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
13317 (record_estimate): Only record constant upper bound.
13318 (infer_loop_bounds_from_undefined): Call
13319 compute_estimated_nb_iterations just once.
13320 (proved_non_wrapping_p): Renamed to ...
13321 (n_of_executions_at_most): ... this. Expect bound to be a constant.
13322 (convert_step_widening, scev_probably_wraps_p): Call
13323 n_of_executions_at_most instead of proved_non_wrapping_p.
13324 (substitute_in_loop_info): Do not replace values in bounds.
13325 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
13328 2006-05-01 Richard Henderson <rth@redhat.com>
13331 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
13332 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
13335 2006-05-01 Roger Sayle <roger@eyesopen.com>
13337 * c-typeck.c (parser_build_binary_op): Don't call the function
13338 unsigned_conversion_warning to spot operand/result type overflow.
13339 (build_binary_op): Instead, call convert_and_check instead of
13340 convert to report the problem when the operands are promoted.
13341 * c-common.c (unsigned_conversion_warning): Make static.
13342 * c-common.h (unsigned_conversion_warning): Delete prototype.
13344 2006-05-01 Richard Guenther <rguenther@suse.de>
13346 PR tree-optimization/26726
13347 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
13349 (find_interesting_uses_address): ... we work around here
13350 by folding INDIRECT_REFs in the substituted base.
13352 2006-05-01 Diego Novillo <dnovillo@redhat.com>
13354 * omp-low.c (dump_omp_region): Add newlines.
13356 2006-04-30 Roger Sayle <roger@eyesopen.com>
13358 * common.opt (Woverflow): New command line option.
13359 * c-common.c (constant_expression_warning): Check warn_overflow.
13360 (overflow_waring): Pass OPT_Woverflow to warning.
13361 (unsigned_conversion_warning): Likewise.
13362 (convert_and_check): Likewise.
13363 * doc/invoke.texi: Document new command line option.
13365 2006-04-30 David Edelsohn <edelsohn@gnu.org>
13367 * config/rs6000/rs6000.c (rs6000_override_options): Enable
13368 TARGET_NO_FP_IN_TOC for section anchors.
13369 (optimization_options): Enable section anchors for all
13370 non-"Objective" languages.
13372 2006-04-28 Eric Christopher <echristo@apple.com>
13374 * config/darwin-c.c (darwin_ms_struct): Move this
13375 (darwin_set_default_type_attributes): and this...
13376 * config/darwin.c: ... here.
13377 * config/darwin.h (darwin_ms_struct): Declare.
13379 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
13381 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
13383 2006-04-28 Roger Sayle <roger@eyesopen.com>
13386 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
13387 (push_array_bounds): Delete prototype. Change BOUNDS argument to
13388 an unsigned HOST_WIDE_INT.
13389 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
13391 (really_start_incremental_init): No need to call convert because
13392 bitsize_zero_node is already of type bitsizetype.
13393 (push_init_level): Extract the value of constructor_index as an
13394 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
13395 (process_init_element): Likewise.
13397 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
13399 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
13400 value before passing to make_relative_prefix.
13402 2006-04-28 Alan Modra <amodra@bigpond.net.au>
13404 PR middle-end/27260
13405 * builtins.c (expand_builtin_memset): Expand val in original mode.
13407 2006-04-27 Eric Christopher <echristo@apple.com>
13409 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
13410 with #ifndef/#endif.
13411 * config/darwin-c.c (darwin_ms_struct): New.
13412 (darwin_pragma_ms_struct): Ditto.
13413 (darwin_set_default_type_attributes): Ditto.
13414 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
13415 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
13416 Register ms_struct pragma.
13417 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
13418 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
13419 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
13420 darwin_set_default_type_attributes if TARGET_MACHO.
13422 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
13424 PR tree-optimization/26854
13425 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
13426 * doc/tree-ssa.texi: Update immuse iterator documentation.
13427 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
13428 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
13429 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
13430 first_safe_imm_use, next_safe_imm_use): Remove.
13431 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
13432 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
13433 (move_use_after_head): New. Helper function to sort immuses in a stmt.
13434 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
13435 (first_imm_use_stmt): New. Get first stmt in an immuse list.
13436 (next_imm_use_stmt): New. Get next stmt in an immuse list.
13437 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
13438 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
13439 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
13440 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
13441 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
13442 (perfect_nestify): Use new iterator.
13443 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
13445 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
13446 (next_imm_name): New field in struct immediate_use_iterator_d.
13447 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
13448 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
13449 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
13450 * tree-cfg.c (replace_uses_by): Use new iterator.
13451 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
13452 * tree-ssa-operands.c (correct_use_link): Remove.
13453 (finalize_ssa_use_ops): No longer call correct_use_link.
13455 2006-04-27 Stuart Hastings <stuart@apple.com>
13457 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
13458 * config/t-darwin (crt3.o): Use it.
13459 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
13460 'pmode', use Pmode instead of SImode for SYMBOL_REF.
13461 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
13462 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
13463 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
13466 2006-04-27 Roger Sayle <roger@eyesopen.com>
13468 * expmed.c (store_fixed_bit_field): If we're not optimizing for
13469 size, force the intermediate into a new pseudo rather instead of
13470 performing both a bitwise AND and a bitwise IOR in memory.
13472 2006-04-27 Richard Guenther <rguenther@suse.de>
13474 PR rtl-optimization/26685
13475 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
13476 this one "max-flow-memory-locations".
13478 2006-04-27 Richard Guenther <rguenther@suse.de>
13480 PR tree-optimization/25148
13481 * tree-vrp.c (compare_values): Remove code dealing with
13482 comparisons against type min/max value. Honour overflow
13483 and negative constants in code dealing with comparisons
13484 of plus and minus expressions.
13485 (value_inside_range): Use fold_binary with LE_EXPR and
13486 GE_EXPR rather than compare_values.
13488 2006-04-27 Dirk Mueller <dmueller@suse.de>
13490 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
13493 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
13495 * basic-block.h (safe_insert_insn_on_edge): Removed.
13496 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
13498 2006-04-26 David Edelsohn <edelsohn@gnu.org>
13499 Paolo Bonzini <bonzini@gnu.org>
13501 PR middle-end/27282
13502 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
13503 (simplify_and_const_int): Same.
13505 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
13507 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
13509 2006-04-26 Jakub Jelinek <jakub@redhat.com>
13512 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
13513 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
13514 cgraph_global_info_ready.
13516 PR middle-end/26913
13517 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
13520 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
13521 either decl or init is error_mark_node.
13523 PR middle-end/25989
13524 * tree-flow.h (struct omp_region): Add sched_kind.
13525 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
13526 instead of extracting omp for data.
13527 (expand_omp_for): Save extracted sched_kind.
13529 2006-04-25 Roger Sayle <roger@eyesopen.com>
13531 * expmed.c (store_bit_field): Also check whether the bitsize is
13532 valid for the machine's "insv" instruction before moving the
13533 target into a pseudo for use with the insv.
13534 * config/i386/predicates.md (const8_operand): New predicate.
13535 * config/i386/i386.md (extv, extzv, insv): Use the new
13536 const8_operand predicate where appropriate.
13538 2006-04-25 DJ Delorie <dj@redhat.com>
13540 * doc/install.texi (Specific): Clarify that this is not a list of
13541 supported hosts or targets.
13543 2006-04-25 Richard Sandiford <richard@codesourcery.com>
13545 PR rtl-optimization/26725
13546 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
13547 block's BB_DIRTY flag.
13549 2006-04-25 Geoffrey Keating <geoffk@apple.com>
13551 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
13554 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
13555 to print an integer.
13557 2006-04-25 David Edelsohn <edelsohn@gnu.org>
13559 * varasm.c (align_variable): New function.
13560 (get_block_for_decl): Apply align_variable to DECL before
13561 calculating section information.
13562 (assemble_variable): Split out alignment computation.
13564 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
13566 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
13569 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
13571 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
13572 MODE_PARTIAL_INT mode.
13573 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
13574 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
13576 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
13577 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13579 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
13581 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13583 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
13584 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
13585 MACFLAG_IH): Likewise.
13586 (movstricthi_1): Renamed from "*movstricthi".
13587 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
13588 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
13589 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
13590 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13591 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13592 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13593 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13594 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13595 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13596 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13597 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13598 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13599 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13600 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13601 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13603 * doc/rtl.texi (ss_ashift): Improve wording.
13605 2006-04-24 Geoffrey Keating <geoffk@apple.com>
13607 * dwarf2out.c (verify_marks_clear): New.
13608 (prune_unused_types): Call verify_marks_clear initially, not
13611 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
13613 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
13614 * doc/rtl.texi: Document them.
13615 * simplify-rtx.c (simplify_unary_operation,
13616 simplify_binary_operation_1): Don't abort when we see them.
13618 2006-04-24 Mark Mitchell <mark@codesourcery.com>
13621 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13622 * configure.ac: Completely disregard languages that are not
13624 * configure: Regenerated.
13626 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13627 Richard Guenther <rguenther@suse.de>
13629 PR tree-optimization/27236
13630 * tree-inline.c (copy_body_r): Make sure to copy
13631 TREE_THIS_VOLATILE flag.
13633 2006-04-24 Richard Guenther <rguenther@suse.de>
13635 PR middle-end/26869
13636 * tree-complex.c (update_parameter_components): Don't handle
13637 unused parameters which have no default def.
13639 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13640 Richard Guenther <rguenther@suse.de>
13642 PR tree-optimization/27218
13643 * tree-inline.c (expand_call_inline): Strip useless type
13644 conversions for the return slot address.
13646 2006-04-24 Richard Guenther <rguenther@suse.de>
13648 * cfgloop.h (struct loops): Remove unused field array. Reorder
13650 (LOOP_PREFETCH): Remove.
13652 2006-04-24 Richard Guenther <rguenther@suse.de>
13654 PR tree-optimization/22525
13655 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13656 variable, adjust types of generated expressions.
13658 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
13660 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13661 (tree-vect-patterns.o): Likewise.
13662 (jump.o): Likewise.
13663 (cselib.o): Likewise.
13664 (loop-doloop.o): Likewise.
13665 (regclass.o): Likewise.
13666 (reload1.o): Likewise.
13667 (explow.o): Replace target.h with $(TARGET_H).
13668 (ipa-prop.o): Likewise.
13669 (ipa-cp.o): Likewise.
13670 (ipa-inline.o): Likewise.
13671 (reorg.o): Likewise.
13672 (reg-stack.o): Likewise.
13674 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13676 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13678 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13680 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13682 * configure.ac: Completely disregard languages that are not
13684 * configure: Regenerated.
13687 * c-common.h (c_build_bitfield_integer_type): Declare.
13688 * c-decl.c (c_build_bitfield_integer_type): Move to ...
13689 * c-common.c (c_build_bitfield_integer_type): ... here.
13691 2006-04-23 Roger Sayle <roger@eyesopen.com>
13694 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13695 a SImode SUBREG of a floating point register after no_new_pseudos.
13697 2006-04-23 Roger Sayle <roger@eyesopen.com>
13699 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13700 identify potentially eliminable registers to additionally catch
13701 VIRTUAL_INCOMING_ARGS_REGNUM.
13702 (addsi3): Update the conditions on when to use addsi_small_int.
13704 2006-04-23 Roger Sayle <roger@eyesopen.com>
13707 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13708 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13709 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13711 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13713 * fold-const.c (range_predecessor): Use operand_equal_p
13714 as the predicate for equality.
13715 (range_successor): Likewise.
13717 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13720 * config/soft-fp/op-common.h: Fix a typo.
13722 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13724 PR libmudflap/26864
13725 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13726 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13728 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13730 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13732 * doc/tm.texi: Fix a typo.
13734 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13736 * dwarf2out.c (struct die_struct): Document that die_sib makes
13737 a circular linked list.
13738 (FOR_EACH_CHILD): New.
13739 (reverse_die_lists): Delete.
13740 (reverse_all_dies): Delete.
13741 (add_dwarf_attr): Correct documentation.
13742 (remove_child_with_prev): New.
13743 (remove_child_TAG): Update for change to die_struct, use
13744 remove_child_with_prev.
13745 (add_child_die): Update for change to die_struct.
13746 (splice_child_die): Use remove_child_with_prev and add_child_die.
13747 (print_die): Use FOR_EACH_CHILD.
13748 (die_checksum): Likewise.
13749 (assign_symbol_names): Likewise.
13750 (output_location_lists): Likewise.
13751 (build_abbrev_table): Likewise.
13752 (calc_die_sizes): Likewise.
13753 (mark_dies): Likewise.
13754 (unmark_dies): Likewise.
13755 (unmark_all_dies): Likewise.
13756 (output_die): Likewise.
13757 (prune_unused_types_mark): Likewise.
13758 (prune_unused_types_walk): Likewise.
13759 (same_die_p): Update for change to die_struct.
13760 (break_out_includes): Likewise.
13761 (prune_unused_types_prune): Likewise.
13762 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13763 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13764 it's already clear.
13765 (dwarf2out_finish): Don't call reverse_all_dies.
13767 2006-04-21 Eric Christopher <echristo@apple.com>
13769 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13770 in comments and function names.
13772 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13775 * c-typeck.c (digest_init): Robustify.
13777 * c-typeck.c (pop_init_level): Simplify.
13779 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13781 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13783 2006-04-21 Paul Brook <paul@codesourcery.com>
13785 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13786 hardware floating point.
13788 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13790 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13793 2006-04-21 Nick Clifton <nickc@redhat.com>
13795 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13798 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13801 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13802 C++ lang type in traceback table for Objective-C++.
13804 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13806 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13808 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13810 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13813 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13814 were errors. Remove check for erroneous objects.
13816 2006-04-20 Jeff Law <law@redhat.com>
13818 PR tree-optimization/26854
13819 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13820 checking for zero or one use.
13821 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13822 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13823 * tree-ssa-reassoc.c (negate_value): Similarly.
13824 (reassociate_bb): Similarly.
13826 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13829 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13830 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13831 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13833 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13835 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13836 fp regs if the last fp arg doesn't fit in regs.
13838 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13841 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13842 that the last insn has the REG_INC note.
13844 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13845 Nathan Sidwell <nathan@codesourcery.com>
13848 * stor-layout.c (update_alignment_for_field): Do not align
13850 (place_union_field): Place union field at the start of the union.
13851 (place_field): Move ERROR_MARK check later, and use the current
13852 allocation position to maintain monotonicity.
13854 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13856 * dominance.c: Include timevar.h.
13857 (calculate_dominance_info): Use TV_DOMINANCE.
13858 * timevar.def (TV_DOMINANCE): New timevar.
13859 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13861 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13863 PR rtl-optimization/14261
13864 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13865 move would be an INSV insn.
13866 (noce_process_if_block): Don't optimize if the destination is a
13867 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13869 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13871 * config/s390/s390.md: Add comments with the instructions emitted
13872 by an insn pattern if macros are used.
13874 2006-04-19 Alan Modra <amodra@bigpond.net.au>
13876 PR rtl-optimization/26026
13877 * fold-const.c (fold_binary): Optimize div and mod where the divisor
13878 is a known power of two shifted left a variable amount.
13880 2006-04-18 Geoffrey Keating <geoffk@apple.com>
13882 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13883 to hash table twice when the debug_str section has SECTION_MERGE.
13885 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
13887 * config/soft-fp: New directory. From glibc.
13888 * config/soft-fp/t-softfp: New.
13889 * config/soft-fp/README: New.
13890 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13891 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13892 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13893 (LIBGCC_DEPS): Add $(SFP_MACHINE).
13894 * config.gcc: Use rs6000/t-fprules-fpbit or
13895 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13897 * config/rs6000/sfp-machine.h: New. Based on glibc.
13898 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13900 * config/rs6000/t-fprules: Remove fp-bit rules.
13901 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13902 * config/rs6000/t-linux64: Likewise. Remove duplicates from
13903 LIB2FUNCS_EXTRA. Remove fp-bit rules.
13904 (softfp_wrap_start, softfp_wrap_end): New.
13906 2006-04-18 DJ Delorie <dj@redhat.com>
13908 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13910 2006-04-18 Devang Patel <dpatel@apple.com>
13912 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13914 2006-04-18 Nick Clifton <nickc@redhat.com>
13916 * config/sh/t-symbian: Add rule to build sh-c.o
13917 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13918 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13919 (sh_symbian_encode_section_info): Likewise.
13921 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
13923 * builtins.c (expand_builtin_strcmp): Cover label definition of
13924 do_libcall with HAVE_cmpstrnsi.
13926 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
13928 * function.c (temp_slots_at_level, max_slot_level): Use VEC
13930 * function.h (temp_slot_p): New.
13931 (function): Change the type of x_used_temp_slots to
13932 VEC(temp_slot_p,gc) *.
13934 2006-04-18 Nick Clifton <nickc@redhat.com>
13936 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13937 flag_strength_reduce.
13939 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13941 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13945 Partial revert of revision 112637
13946 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13947 Dale Johannesen <dalej@apple.com>
13950 * regclass.c (struct reg_pref): Update documentation.
13951 (regclass): Set prefclass to NO_REGS if memory is the best option.
13952 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13954 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13956 PR tree-optimization/26821
13957 * tree-ssa-math-opts.c (get_constant_one): New.
13958 (insert_reciprocals): Use it.
13960 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13962 * dwarf2out.c (free_AT): Delete.
13963 (remove_AT): Update string ref counts.
13964 (remove_child_TAG): Don't call free_die.
13965 (free_die): Delete.
13966 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13967 or DW_TAG_GNU_EINCL.
13968 (prune_unused_types_walk_attribs): Reset string refcounts.
13969 (prune_unused_types_update_strings): New.
13970 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13971 call free_die. Do call prune_unused_types_update_strings.
13972 (prune_unused_types): Empty debug_str_hash.
13974 2006-04-17 Roger Sayle <roger@eyesopen.com>
13976 * expr.c (expand_assignment): Optimize away no-op moves where the
13977 source and destination are equal and have no side-effects.
13979 2006-04-17 Richard Guenther <rguenther@suse.de>
13982 * reload.c (push_reload): Guard calls to get_secondary_mem
13983 for memory subregs.
13985 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13987 * alias.c (reg_base_value, old_reg_base_value): Change the
13988 type to VEC(rtx,gc) *.
13989 (REG_BASE_VALUE, find_base_value, record_set,
13990 init_alias_analysis): Use VEC instead of VARRAY.
13992 * alias.c (alias_sets): Change the type to
13993 VEC(alias_set_entry,gc) *.
13994 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13995 VEC instead of VARRAY.
13996 (last_alias_set): Remove.
13998 * cgraph.h (cgraph_edge_p): New.
13999 Update the prototype of cgraph_function_versioning.
14000 * cgraphunit.c (cgraph_copy_node_for_versioning,
14001 cgraph_function_versioning): Use VEC instead of VARRAY.
14002 * ipa-cp.c (ipcp_insert_stage): Likewise.
14004 2006-04-16 Roger Sayle <roger@eyesopen.com>
14007 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
14008 "A op B" or "A op C", we may need to convert A to the type of B and C.
14010 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
14012 * target.h (struct gcc_target): Add mode_rep_extended.
14013 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
14014 (init_num_sign_bit_copies_in_rep): Initialize it using
14016 (truncate_to_mode): Use it.
14017 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
14018 * targhooks.h (default_mode_rep_extended): Declare it.
14019 * targhooks.c (default_mode_rep_extended): Define it.
14020 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
14021 default_mode_rep_extended.
14022 (TARGET_INITIALIZER): Include it.
14023 * doc/tm.texi (Misc): Document it.
14024 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
14025 (mips_truncated_to_mode): New function.
14027 2006-04-16 Roger Sayle <roger@eyesopen.com>
14029 PR middle-end/25474
14030 * expr.c (compress_float_constant): Copy the narrow constant into
14031 a new pseudo before extending it to its final width.
14033 2006-04-16 Roger Sayle <roger@eyesopen.com>
14034 Andrew Pinski <pinskia@gcc.gnu.org>
14035 Dale Johannesen <dalej@apple.com>
14038 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
14039 special case code to implement V8HImode and V16QImode with SSE2.
14041 2006-04-15 Roger Sayle <roger@eyesopen.com>
14043 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
14044 trees are constructed with a suitable tree type.
14046 2006-04-15 Roger Sayle <roger@eyesopen.com>
14048 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
14049 (integer_onep): Likewise.
14050 (integer_all_onesp): Likewise.
14051 (integer_pow2p): Likewise.
14052 (integer_nonzerop): Likewise.
14053 (real_zerop): Likewise.
14054 (real_onep): Likewise.
14055 (real_twop): Likewise.
14056 (real_minus_onep): Likewise.
14057 (int_size_in_bytes): Likewise.
14058 (host_integerp): Likewise.
14060 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
14062 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
14063 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
14064 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
14066 * tree-ssa-structalias.h (alias_info): Remove num_references.
14068 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14070 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
14071 (output_bvb patterns): Likewise.
14072 * pa.c (output_bb): Use 'bb' insn for long branch case.
14073 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
14074 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
14075 1. Correct length operand for alternatives 1 and 2.
14076 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
14077 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
14079 2006-04-14 Roger Sayle <roger@eyesopen.com>
14081 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
14082 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
14083 were accidentally reverted by r112959.
14085 2006-04-15 Jakub Jelinek <jakub@redhat.com>
14087 PR middle-end/26823
14088 * except.h (eh_region_outermost): New prototype.
14089 * except.c (eh_region_outermost): New function.
14090 * tree-cfg.c (find_outermost_region_in_block): Use it.
14092 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
14094 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
14096 * reload1.c (reg_equiv_memory_loc_varray): Rename to
14097 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
14098 (init_reload, reload): Use VEC instead of VARRAY.
14099 * reload.h: Update the prototype for
14100 reg_equiv_memory_loc_varray.
14102 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
14103 Eric Botcazou <ebotcazou@libertysurf.fr>
14105 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
14106 register save area.
14108 2005-04-13 Uros Bizjak <uros@kss-loka.si>
14110 PR middle-end/27134
14111 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
14112 to expand fallback builtin function call.
14114 2006-04-14 Alan Modra <amodra@bigpond.net.au>
14116 PR middle-end/27095
14117 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
14118 and emit libcall here in case the builtin fails.
14119 (expand_builtin_strcmp): Always emit the libcall here on failure.
14121 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
14123 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
14124 * flow.c (reg_n_info): Change the type to
14125 VEC(reg_info_p,heap) *.
14126 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
14128 * regs.h (reg_info_p): New.
14129 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
14130 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
14131 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
14134 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
14136 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
14138 * params.h (MAX_SCHED_READY_INSNS): New macro.
14139 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
14140 past MAX_SCHED_READY_INSNS during the first scheduling pass.
14141 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
14142 the ready list for 1 cycle during the first scheduling pass.
14143 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
14145 2006-04-13 Richard Henderson <rth@redhat.com>
14148 * gimple-low.c (lower_omp_directive): Remove dead code.
14149 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
14150 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
14151 * omp-low.c (struct omp_region): Move to tree-flow.h.
14152 (root_omp_region): Export.
14153 (omp_regions, lookup_omp_region): Remove.
14154 (determine_parallel_type): Update for struct omp_region changes.
14155 (dump_omp_region): Dump regions with block numbers.
14156 (new_omp_region): Take type and block instead of stmt; malloc
14158 (free_omp_region_1, free_omp_regions): New.
14159 (expand_parallel_call): Take entry_stmt as argument; update for
14160 changes to omp_region.
14161 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
14162 (remove_exit_barriers): New.
14163 (expand_omp_parallel): Update for struct omp_region changes.
14164 (expand_omp_synch): Likewise.
14165 (expand_omp): Likewise.
14166 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
14167 (expand_omp_for_static_chunk): Likewise.
14168 (expand_omp_for): Likewise.
14169 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
14170 (expand_omp_sections): Similarly, with GOMP_sections_end.
14171 (expand_omp_single): New.
14172 (build_omp_regions_1): Update for OMP_CONTINUE.
14173 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
14174 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
14175 OMP_SECTIONS_SECTIONS.
14176 (lower_omp_single_simple): Don't emit barrier here.
14177 (lower_omp_single_copy): Likewise.
14178 (lower_omp_single): Fix bindings, and lower to straightline now.
14179 (lower_omp_master, lower_omp_ordered): Likewise.
14180 (lower_omp_critical): Likewise.
14181 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
14182 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
14183 omp edges, free it afterward.
14184 (make_omp_sections_edges): Remove.
14185 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
14186 (move_stmt_r): Handle OMP_CONTINUE.
14187 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
14188 statement pointers to basic blocks. Add type member.
14189 (root_omp_region, new_omp_region, free_omp_regions): Declare.
14190 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
14191 * tree-inline.c (estimate_num_insns_1): Likewise.
14192 * tree-pretty-print.c (dump_generic_node): Likewise.
14193 * tree-ssa-operands.c (get_expr_operands): Likewise.
14194 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
14195 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
14196 (OMP_CONTINUE): New.
14197 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
14198 (OMP_SECTIONS_SECTIONS): Remove.
14199 (OMP_SECTION_LAST): New.
14200 (OMP_RETURN_NOWAIT): New.
14202 2006-04-13 Roger Sayle <roger@eyesopen.com>
14204 * fold-const.c (native_encode_vector, native_interpret_real):
14205 Correct obvious mistakes in the previous check-in.
14207 2006-04-13 Roger Sayle <roger@eyesopen.com>
14209 * fold-const.c (native_encode_expr): New function to encode
14210 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
14211 or VECTOR_CST into a specified buffer.
14212 (native_encode_int): New function.
14213 (native_encode_real): New function.
14214 (native_encode_complex): New function.
14215 (native_encode_vector): New function.
14216 (native_interpret_expr): Inverse of native_encode_expr to convert
14217 a target representation into an INTEGER_CST, REAL_CST etc...
14218 (native_interpret_int): New function.
14219 (native_interpret_real): New function.
14220 (native_interpret_complex): New function.
14221 (native_interpret_vector): New function.
14222 (fold_view_convert_expr): New function to constant fold/evaluate
14223 a VIEW_CONVERT_EXPR of a suitable constant expression.
14224 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
14225 Change call of build1 to fold_build1 when constructing a
14228 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
14229 Ulrich Weigand <uweigand@de.ibm.com>
14232 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
14235 2006-04-13 Alan Modra <amodra@bigpond.net.au>
14238 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
14239 optimize to lo_sum for DFmode if !TARGET_FPRS.
14241 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
14243 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
14244 delete_alias_info, compute_flow_sensitive_aliasing,
14245 group_aliases): Use VEC instead of VARRAY.
14246 * tree-ssa-structalias.c (update_alias_info): Likewise.
14247 * tree-ssa-structalias.h (alias_info): Change the type of
14248 processed_ptrs to VEC(tree,heap) *.
14250 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
14253 * config/sh/lib1funcs.h: New file, broken out of:
14254 * config/sh/lib1funcs.asm.
14255 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
14257 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
14258 * config/sh/lib1funcs-Os-4-200.asm: New file.
14259 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
14260 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
14261 (EXTRA_MULTILIB_PARTS): Include it.
14262 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
14263 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
14264 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
14265 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
14268 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
14270 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
14271 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
14272 tpa_compact, root_var_init, type_var_init): Use VEC instead of
14274 * tree-ssa-live.h: Include vecprim.h.
14275 (tree_partition_associator_d): Change the type of
14276 first_partition to VEC(int,heap) *.
14277 (tpa_first_partition): Use VEC instead of VARRAY.
14279 * Makefile.in (GTFILES): Move functions.h after tree.h.
14280 * function.c (reset_block_changes, record_block_change,
14281 check_block_change, free_block_changes): Use VEC instead of
14283 * function.h (function): Change the type of
14284 ib_boundaries_block to VEC(tree,gc) *.
14285 * tree-inline.c (copy_cfg_body): Initialize
14286 ib_boundaries_block to NULL instead of (varray_type) 0.
14288 2006-04-12 Roger Sayle <roger@eyesopen.com>
14290 * expr.c (emit_group_store): Correct operand order in call to
14291 subreg_lowpart_offset. Always create paradoxical SUBREGs with
14292 a SUBREG_BYTE of zero.
14294 2006-04-12 Richard Guenther <rguenther@suse.de>
14296 * profile.c (compute_branch_probabilities): Remove code
14297 encapsulated in !ir_type (), which are remanents of the
14298 removed RTL profiling code.
14299 * rtl-profile.c: Remove.
14301 2006-04-12 Alan Modra <amodra@bigpond.net.au>
14303 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
14304 magic NULL_RTX comment.
14305 (function_arg): Store entire fp arg to mem if any part should go
14307 (rs6000_arg_partial_bytes): Adjust for above change.
14309 2006-04-11 Roger Sayle <roger@eyesopen.com>
14311 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
14312 if it hasn't been initialized by dwarf2out_init.
14314 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
14316 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
14317 symbolic constants in branch patterns.
14319 2006-04-11 Roger Sayle <roger@eyesopen.com>
14321 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
14323 2006-04-11 Richard Sandiford <richard@codesourcery.com>
14325 PR rtl-optimization/27073
14326 * gcse.c (try_replace_reg): Revert last change. Continue to search
14327 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
14330 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
14332 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
14333 aggregate types other than record and union types.
14334 (function_arg): Likewise.
14335 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
14337 (function_value): In 64-bit mode, return objects that require it
14340 2006-04-11 Roger Sayle <roger@eyesopen.com>
14342 * dwarf2out.c (premark_used_types): Remove problematic prototype.
14344 2006-04-11 Jakub Jelinek <jakub@redhat.com>
14346 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
14348 2006-04-03 Jeff Law <law@redhat.com>
14351 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
14352 alias information too.
14354 2006-04-10 Mike Frysinger <vapier@gentoo.org>
14356 * Makefile.in (gcc-cross): Add $(exeext) to target name.
14358 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
14361 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
14362 (premark_used_types_helper): New.
14363 (premark_used_types): New.
14364 (gen_subprogram_die): Call premark_used_types.
14365 (prune_unused_types_walk): Do not prune perennial dies.
14366 * function.c (used_types_insert): New.
14367 * function.h (struct function): Add used_types_hash field.
14368 (used_types_insert): Add prototype.
14369 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
14370 * c-parser.c (c_parser_cast_expression): Save casted types in used
14373 2006-04-11 Mark Mitchell <mark@codesourcery.com>
14376 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
14377 rs6000_explicit_options.float_gprs.
14379 2006-04-10 Roger Sayle <roger@eyesopen.com>
14381 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
14382 from ix86_expand_vector_init_low_nonzero. Take an additional
14383 one_var argument indicating which element is non-zero. Support
14384 one_var != 0 for V4SFmode and V4SImode by permuting the result.
14385 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
14386 with one_var instead of ix86_expand_vector_init_low_nonzero.
14388 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
14390 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
14391 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
14392 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
14393 build/genextract.o): Depend on vecprim.h.
14394 * cfglayout.c, df-problems.c, function.c, genextract.c,
14395 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
14396 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
14400 2006-04-10 Geoffrey Keating <geoffk@apple.com>
14402 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
14403 Declare VECs of this type.
14404 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
14405 (remove_children): Delete.
14406 (add_dwarf_attr): Use VEC routines.
14407 (add_AT_flag): Update for changes to add_dwarf_attr.
14408 (add_AT_int): Likewise.
14409 (add_AT_unsigned): Likewise.
14410 (add_AT_long_long): Likewise.
14411 (add_AT_vec): Likewise.
14412 (add_AT_string): Likewise.
14413 (add_AT_die_ref): Likewise.
14414 (add_AT_fde_ref): Likewise.
14415 (add_AT_loc): Likewise.
14416 (add_AT_loc_list): Likewise.
14417 (add_AT_addr): Likewise.
14418 (add_AT_lbl_id): Likewise.
14419 (add_AT_lineptr): Likewise.
14420 (add_AT_macptr): Likewise.
14421 (add_AT_offset): Likewise.
14422 (add_AT_range_list): Likewise.
14423 (get_AT): Use VEC_iterate.
14424 (remove_AT): Use VEC_ordered_remove.
14425 (free_die): Fold remove_children into here; have it use VEC_iterate.
14426 (print_die): Use VEC_iterate on attrs.
14427 (reverse_die_lists): Don't reverse attr lists.
14428 (die_checksum): Use VEC_iterate on attrs.
14429 (same_die_p): Likewise.
14430 (output_location_lists): Likewise.
14431 (build_abbrev_table): Likewise.
14432 (size_of_die): Likewise.
14433 (unmark_all_dies): Likewise.
14434 (output_abbrev_section): Likewise.
14435 (output_die): Likewise.
14436 (prune_unused_types_walk_attribs): Likewise.
14438 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14440 * doc/install.texi (*-*-solaris2*): Point to the configure page.
14442 2006-04-10 Jakub Jelinek <jakub@redhat.com>
14445 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
14447 2006-04-09 Roger Sayle <roger@eyesopen.com>
14449 * expr.c (store_constructor): Don't bother clearing target if
14450 we're about to assign a vector to it using vec_init_optab.
14452 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
14454 * tree-ssa-alias.c (lhs_may_store_to): New function.
14455 (recalculate_used_alone): Handle LHS of calls.
14457 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14461 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
14462 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
14463 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
14464 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
14465 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
14466 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
14467 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
14468 stubs. Add ".align 8" directives before all ".dword" directives.
14469 (GTHREAD_USE_WEAK): Revise comment.
14470 (TARGET_ATTRIBUTE_WEAK): Define.
14471 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
14472 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
14473 * stublib.c: New file.
14478 * pa.md (cbranch patterns): Revise arguments used in calls to
14479 output_cbranch, output_bb and output_bvd. Add long branch length
14481 (fbranch patterns): Handle long branches.
14482 (jump): Revise length check. Revise arguments for output_lbranch call.
14483 Add long branch length attributes.
14484 (decrement_and_branch_until_zero): Add long branch length attributes.
14485 (output_movb, output_parallel_addb and output_parallel_movb patterns):
14486 Likewise. Revise arguments for output_parallel_addb and
14487 output_parallel_movb calls.
14488 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
14489 output_parallel_movb and output_parallel_addb): Update prototypes.
14490 * pa.c (output_cbranch): Revise arguments. Correct handling of
14491 nullification in long branches.
14492 (output_lbranch): Add new argument to control extraction of delay
14494 (output_bb): Handle long branches.
14495 (output_bvb, output_dbra, output_movb, output_parallel_movb,
14496 output_parallel_addb): Likewise.
14498 2006-04-09 Richard Sandiford <richard@codesourcery.com>
14500 PR rtl-optimization/27073
14501 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
14504 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
14506 * tree.h (tree_memory_tag): Add old_used_alone.
14507 (SMT_OLD_USED_ALONE): New macro.
14508 * tree-ssa-alias.c (recalculate_used_alone): Stop
14509 marking things for renaming unnecessarily.
14511 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
14513 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
14514 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
14515 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
14516 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
14517 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
14518 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
14519 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
14520 spelling convensions.
14521 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
14522 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
14523 typos. Follow spelling conventions.
14525 2006-04-07 DJ Delorie <dj@redhat.com>
14527 * config/m32c/m32c.c (m32c_function_arg): Structures are always
14528 passed on the stack.
14529 (m32c_init_cumulative_args): When a function returns a structure,
14530 always pass the pointer to that return area on the stack.
14531 (m32c_function_arg_advance): Don't increment the parameter number
14532 if we're processing the returned structure pointer.
14533 (pushm_info): Reverse order of registers.
14535 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
14537 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
14538 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14539 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
14540 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
14541 build_int_cst_type.
14542 * tree-chrec.c (chrec_fold_multiply_poly_poly,
14543 chrec_fold_multiply): Same.
14544 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
14545 force_expr_to_var_cost): Same.
14546 * tree-mudflap.c (mf_xform_derefs_1): Same.
14547 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
14549 2006-04-07 David Edelsohn <edelsohn@gnu.org>
14551 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
14552 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
14555 2006-04-07 Jan Hubicka <jh@suse.cz>
14557 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
14559 2006-04-07 Richard Guenther <rguenther@suse.de>
14561 PR tree-optimization/26135
14562 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
14563 loads for store copy-prop.
14564 (copy_prop_visit_stmt): Likewise.
14566 2006-04-05 Robert Millan <robertmh@gnu.org>
14568 * config/i386/linux.h: Add a comment to mark macros that are
14569 being overriden in config/k*bsd-gnu.h.
14570 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14572 * config/knetbsd-gnu.h: Ditto.
14574 2006-04-06 Jan Hubicka <jh@suse.cz>
14578 * coverage.c (coverage_checksum_string): Reorganize loop to not read
14581 2006-04-06 Mike Stump <mrs@apple.com>
14583 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
14584 for HAVE_nonlocal_goto to be consistent.
14585 (expand_builtin_nonlocal_goto): Likewise.
14586 (expand_builtin_strcmp): Use #ifdef instead of #if
14587 for HAVE_cmpstrnsi to be consistent.
14589 2006-04-05 DJ Delorie <dj@redhat.com>
14591 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14594 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
14596 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14597 got-relative addressing for anything but SImode.
14599 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14600 even if the calling function doesn't modify them.
14602 2006-04-05 Richard Guenther <rguenther@suse.de>
14604 PR tree-optimization/26919
14605 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14606 to cgraph_estimate_size_after_inlining.
14608 2006-04-05 Alan Modra <amodra@bigpond.net.au>
14610 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14612 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
14614 PR tree-optimization/26996
14615 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14616 VECTOR_TYPE variables.
14618 2006-04-05 Richard Guenther <rguenther@suse.de>
14620 PR tree-optimization/26763
14621 * fold-const.c (fold_comparison): Move folding of
14622 PTR + CST CMP PTR + CST ...
14623 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
14625 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
14627 * doc/install.texi (Prerequisites): Refine some wording on
14628 bootstrapping and ksh.
14629 Move the version numbers of DejaGnu here from the testing section
14630 and fix casing of names.
14631 Fix markup and clarify wording for autogen requirements.
14632 Refer to GCJ instead of just java.
14633 Refer to SVN instead of CVS.
14634 Describe diffutils as useful instead of necessary.
14635 (Downloading the source): Refer to SVN instead of CVS.
14636 Adjust a link to our web site accordingly.
14637 (Configuration): Fix casing of Bison.
14638 (Building): Refer to SVN instead of CVS.
14639 Fix a sentence on the use of Bison and remove duplicate (and
14640 incorrect) version number of Bison requirement.
14641 Remove one redundant list of packages needed for building.
14642 (Specific): Avoid reference to CVS.
14644 2006-04-04 Eric Christopher <echristo@apple.com>
14646 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14647 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14648 (rs6000_handle_struct_attribute): New.
14649 (rs6000_ms_bitfield_layout_p): Ditto.
14651 2006-04-04 Geoffrey Keating <geoffk@apple.com>
14653 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14654 NULL for dso parameter to atexit_common.
14656 2006-04-04 Eric Christopher <echristo@apple.com>
14658 * config/i386/i386.c (machopic_output_stub): Output \t
14659 between instructions and operands.
14661 2006-04-04 David Edelsohn <edelsohn@gnu.org>
14663 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14664 satisfies_constraint_[IL] to explicit tests on value.
14666 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
14668 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14669 set_nb_iterations_in_loop): Use build_int_cst instead of
14670 build_int_cst_type.
14671 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14672 build_int_cst instead of convert.
14674 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
14676 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14677 new value 2 for incoming.
14678 * function.c (expand_function_start): Call struct_value_rtx
14679 with incoming as 2.
14680 * config/sparc/sparc.md: Comment updated_return.
14681 * config/sparc/sparc.opt: Add -mstd-struct-return option.
14682 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14683 struct return if sparc_std_struct_return and incoming is 2.
14684 (print_operand): Do not adjust return if
14685 sparc_std_struct_return.
14687 2006-04-04 Roger Sayle <roger@eyesopen.com>
14689 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14690 convert in the middle-end.
14691 * expr.c (store_expr, store_constructor, get_inner_reference,
14692 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14694 * tree.c (build_range_type): Likewise.
14696 2006-04-04 Tom Tromey <tromey@redhat.com>
14698 * doc/install.texi (Prerequisites): Mention jar.
14700 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
14702 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14705 2006-04-04 Matthias Klose <doko@debian.org>
14707 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14711 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14714 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14716 * doc/extend.texi (Function Attributes): Rewrite visibility
14717 attribute documentation.
14718 * doc/invoke.texi (C++ Dialect Options): Rewrite
14719 -fvisibility-inlines-hidden documentation to describe something
14720 entirely different, although in practise compatible.
14721 (Code Gen Options): Warn about system headers in -fvisibility=
14724 * doc/extend.texi (Other Builtins): Document that
14725 __builtin_nan is a compile-time constant only when its argument
14728 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14730 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14731 trying to remove TRUNCATE check if all bits outside the new mode
14732 are identical to the sign bit.
14734 2006-04-03 Jeff Law <law@redhat.com>
14736 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14737 and operand scanning in some common cases.
14739 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14740 Dale Johannesen <dalej@apple.com>
14743 * regclass.c (struct reg_pref): Update documentation.
14744 (regclass): Set prefclass to NO_REGS if memory is the best option.
14745 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14746 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14747 into account. For non-registers, equate an empty preferred
14748 reload class to a `!' in the constraint; move the if clause to
14749 do so after those that reject the insn.
14750 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14752 (find_dummy_reload): Likewise.
14753 * doc/tm.texi (Register Classes): Document what it means
14754 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14755 * config/i386/i386.c (ix86_preferred_reload_class): Force
14756 using SSE registers (and return NO_REGS for floating-point
14757 constants) if math is done with SSE.
14758 (ix86_preferred_output_reload_class): New.
14759 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14760 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14761 * config/i386/i386.md: Remove # register preferences.
14763 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14766 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14767 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14768 the type of nb_iter.
14769 (instantiate_parameters_1): Convert the operands before calling
14770 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14771 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14773 2006-04-02 Roger Sayle <roger@eyesopen.com>
14775 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14776 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14777 instead of convert.
14778 * dojump.c (do_jump): Likewise.
14779 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14780 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14781 gimplify_boolean_expr): Likewise.
14782 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14783 * varasm.c (array_size_for_constructor): Likewise.
14784 * tree-object-size.c (compute_object_offset): Likewise.
14786 2006-04-02 Roger Sayle <roger@eyesopen.com>
14788 PR middle-end/26977
14789 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14790 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14792 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14794 PR tree-optimization/26939
14795 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14797 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14799 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14800 at_stmt. Convert the type of operands before calling
14801 build_polynomial_chrec.
14802 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14803 add_to_evolution_1.
14804 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14805 (instantiate_parameters_1): Convert the type of operands before calling
14806 build_polynomial_chrec.
14807 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14808 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14809 reset_evolution_in_loop): Insert asserts to check the types of the
14811 (chrec_type): Moved...
14812 (eq_evolutions_p): Use operand_equal_p.
14813 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14814 the types of the operands.
14815 (chrec_type): ...here.
14816 * tree-data-ref.c (create_data_ref): Convert the operands before
14817 calling chrec_replace_initial_condition.
14818 (same_access_functions, analyze_subscript_affine_affine,
14819 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14820 (compute_subscript_distance, analyze_ziv_subscript,
14821 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14822 analyze_miv_subscript): Convert the operands before calling
14823 chrec_fold_minus or chrec_fold_plus.
14825 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14827 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14828 the dependence_relations vector.
14829 (compute_data_dependences_for_loop): Adjust call to
14830 compute_all_dependences.
14832 2006-04-01 Roger Sayle <roger@eyesopen.com>
14833 Richard Henderson <rth@redhat.com>
14835 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14836 gimple_boolify on the condition before calling gimplify_expr.
14838 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14840 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14841 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14842 the frame size. Update to use the new macros.
14843 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14844 * config/xtensa/ieee754-df.S: Likewise.
14846 2006-03-31 Richard Henderson <rth@redhat.com>
14848 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14849 (make_edges): ... here. Control fallthru creation with a local
14850 variable. Do not play with fake edges.
14851 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14852 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14855 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14857 * dwarf2.h (DW64_CIE_ID): Define.
14858 * dwarf2out.c (DWARF_CIE_ID): Define.
14859 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14860 length header. Use DWARF_CIE_ID.
14861 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14862 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14864 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14866 * config/sh/linux-atomic.asm: New file.
14867 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14869 2006-03-31 DJ Delorie <dj@redhat.com>
14871 * config/m32c/cond.md: Set condition flags properly throughout.
14872 * config/m32c/minmax.md: Likewise.
14873 * config/m32c/prologue.md: Likewise.
14874 * config/m32c/bitops.md: Likewise.
14875 * config/m32c/muldiv.md: Likewise.
14876 * config/m32c/mov.md: Likewise.
14877 * config/m32c/addsub.md: Likewise.
14878 * config/m32c/m32c.md: Likewise.
14879 * config/m32c/jump.md: Likewise.
14880 * config/m32c/shift.md: Likewise.
14882 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14883 conditionally output the pattern for this.
14884 * config/m32c/m32c.c (flags_needed_for_conditional): New.
14885 (m32c_compare_redundant): New.
14886 (m32c_output_compare): New.
14887 * config/m32c/m32c-protos.h (m32c_output_compare): New.
14889 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14890 dest, not src. Allow other 4-byte modes.
14892 2006-03-30 Denis Chertykov <denisc@overta.ru>
14894 * doc/md.texi: Refer to avr/constraints.md instead of
14897 2006-03-30 Roger Sayle <roger@eyesopen.com>
14899 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14900 signed vs. unsigned comparison failures on some hosts.
14902 2006-03-31 Alan Modra <amodra@bigpond.net.au>
14905 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14906 change to FLOAT_REGS.
14908 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14909 (rs6000_override_options): Use it.
14910 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
14911 only for -mabi=spe/no-spe and -mabi=altivec.
14913 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14915 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14918 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
14920 * Makefile.in: Rename docdir to gcc_docdir.
14922 2006-03-30 Roger Sayle <roger@eyesopen.com>
14925 * expr.c (emit_group_store): Optimize group stores into a pseudo
14926 register by using a paradoxical subreg to initialize the destination
14927 if the first or last member of the group specifies a "low part".
14929 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14932 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14933 * target.h (struct gcc_target.speculate_insn): Change type of the
14934 second parameter to 'int'.
14935 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14936 the second operand of the DEPS_LIST.
14937 (copy_DEPS_LIST_list): Update reference to the second operand of the
14939 * rtl.h (alloc_DEPS_LIST): Update signature.
14940 * sched-int.h (ds_t): Change typedef to 'int'.
14941 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14943 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14945 * haifa-sched.c (try_ready): Change condition to restore
14946 non-speculative pattern of the instruction.
14947 (process_insn_depend_be_in_spec): Code to keep probability of the
14948 speculative dependence non-decreasing.
14950 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14952 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14953 (single_move_for_movmem): ... this. Also change all uses.
14954 (bfin_expand_strmov): Renamed to...
14955 (bfin_expand_movmem): ... this. Also change all uses.
14956 * config/bfin/bfin.md (movstrsi): Renamed to...
14957 (movstrsi): ...this.
14959 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14961 PR tree-optimization/26830
14963 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14964 (copy_prop_visit_stmt): Remove write-only variable ann.
14965 (init_copy_prop): Check variable loop depth here. Do not simulate
14966 memory-tag and virtual operand PHIs except for store copy prop.
14968 2006-03-30 Richard Guenther <rguenther@suse.de>
14970 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14971 variants with double arguments.
14973 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14975 * genpreds.c (write_tm_constrs_h): Delete variable p.
14976 * genconditions.c (write_header): Add tm-constrs.h to included
14978 * genpeep.c (main): Add toplev.h to included headers.
14979 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14980 (build/genpeep.o): Add toplev.h dependency.
14981 * config/rs6000/constraints.md: Add "W" constraint.
14983 2006-03-29 Roger Sayle <roger@eyesopen.com>
14985 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14986 sizes by correctly testing whether the size fits a host integer.
14987 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14988 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14989 SImode range for the default sizetype and bitsizetype.
14991 2006-03-29 Roger Sayle <roger@eyesopen.com>
14993 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14994 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14995 quickly if the argument is already of the correct type.
14996 Call fold_build1 instead of build1. Tidy up blank lines.
14998 2006-03-29 David Edelsohn <edelsohn@gnu.org>
15000 * genemit.c (main): Add tm-constrs.h to included headers.
15001 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
15002 * genpeep.c (main): Add tm-constrs.h to included headers.
15003 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
15004 (write_tm_constrs_h): this and write complete file.
15005 (write_tm_preds_h): Do not emit satisfies_constraint fns.
15006 (write_insn_preds_c): Add tm-constrs.h to included headers.
15007 (gen_constrs): New variable.
15008 (parse_option): Parse "-c".
15009 (main): Invoke write_tm_constrs_h.
15010 * genrecog.c (write_header): Add tm-constrs.h to included headers.
15011 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
15012 (object_out_file): Add tm-constrs.h dependency.
15013 (insn-emit.o): Same.
15014 (insn-output.o): Same.
15015 (insn-peep.o): Same.
15016 (insn-preds.o): Same.
15017 (insn-recog.o): Same.
15018 (tm-constsr.h): New target.
15019 (s-constrs-h): New target.
15021 * config/rs6000/constraints.md: New file.
15022 * config/rs6000/rs6000.c: Include tm-constrs.h.
15023 (num_insn_constant_wide): Convert to satisfies_constraint.
15024 (rs6000_rtx_costs): Convert to satisfies_constraint.
15025 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
15026 (CONST_OK_FOR_LETTER_P): Delete.
15027 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15028 (EXTRA_CONSTRAINT): Delete.
15029 (EXTRA_MEMORY_CONSTRAINT): Delete.
15030 (EXTRA_ADDRESS_CONSTRAINT): Delete.
15031 * config/rs6000/predicates.md: Convert to satisfies_constraint.
15032 * config/rs6000/rs6000.md: Include constraints.md. Convert to
15033 satisfies_constraint.
15035 * config/i386/i386.c: Include tm-constrs.h.
15037 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
15039 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
15040 * tree-data-ref.c (find_data_references_in_loop,
15041 compute_data_dependences_for_loop): Use pointers to VEC.
15042 (analyze_all_data_dependences): Adjust calls.
15043 * tree-data-ref.h (find_data_references_in_loop,
15044 compute_data_dependences_for_loop): Adjust declarations.
15045 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
15046 compute_data_dependences_for_loop.
15048 2006-03-29 Paul Brook <paul@codesourcery.com>
15050 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
15051 (movdf_vfp): Ditto.
15053 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
15055 PR tree-optimization/26859
15056 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
15058 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
15059 for the step after fold_convert.
15061 2006-03-29 Paul Brook <paul@codesourcery.com>
15063 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
15064 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
15066 2006-03-29 Paul Brook <paul@codesourcery.com>
15068 PR middle-end/23623
15069 * targhooks.c (default_narrow_bitfield): New fuction.
15070 * targhooks.h (default_narrow_bitfield): add prototype.
15071 * target.h (gcc_target): Add narrow_volatile_bitfield.
15072 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
15073 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
15074 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
15075 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
15077 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
15079 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
15081 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
15082 (NR_C_MODES): Add TDmode, DDmode and SDmode.
15083 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
15084 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
15085 (s390_function_arg_float): Allow SDmode and DDmode values to be
15086 passed in floating point registers.
15087 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
15088 check with SCALAR_FLOAT_MODE_P.
15089 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
15091 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
15093 PR tree-optimization/25985
15094 * tree-ssa-loop-niter.c (number_of_iterations_le,
15095 number_of_iterations_ne): Make comments more precise.
15096 (number_of_iterations_cond): Add only_exit argument. Use the
15097 fact that signed variables do not overflow only when only_exit
15099 (loop_only_exit_p): New.
15100 (number_of_iterations_exit): Pass result of loop_only_exit_p to
15101 number_of_iterations_cond.
15103 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
15105 PR tree-optimization/26643
15106 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
15109 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
15111 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
15112 (divsi3_i4_int): Likewise.
15114 2006-03-28 Roger Sayle <roger@eyesopen.com>
15116 * expr.c (emit_group_store): Only create a new pseudo reg if the
15117 quantity it needs to hold isn't already a suitable pseudo.
15119 2006-03-28 Jeff Law <law@redhat.com>
15121 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
15122 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
15124 2006-03-28 Roger Sayle <roger@eyesopen.com>
15126 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
15127 the equivalent ~X & Y, and the symmetry related transformations.
15128 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
15129 ~X & Y, and symmetry related transforms.
15131 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15133 Revert my 2006-03-27 patches.
15135 2006-03-28 Roger Sayle <roger@eyesopen.com>
15137 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
15138 ~(T1)X, when T1 and T2 are integer types of the same precision
15139 and (T2)X isn't an extension.
15141 2006-03-28 Jeff Law <law@redhat.com>
15143 PR tree-optimization/26796
15144 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
15145 need EH edge cleanups rather than purging them immediately.
15146 (eliminate_degenerate_phis): Handle queued EH cleanups.
15148 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
15150 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
15153 2006-03-27 Roger Sayle <roger@eyesopen.com>
15155 PR middle-end/22524
15156 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
15157 cast BIT_NOT_EXPR operand to the correct type.
15159 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
15161 * tree-loop-linear.c: Don't include varray.h.
15162 (gather_interchange_stats, try_interchange_loops,
15163 linear_transform_loops): Use VEC instead of VARRAY.
15164 * lambda-mat.c: Don't include varray.h.
15165 * tree-chrec.c: Same.
15166 * lambda-trans.c: Same.
15167 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
15168 VEC instead of VARRAY.
15169 * tree-vectorizer.h: Idem.
15170 * tree-data-ref.c (dump_data_references,
15171 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
15172 initialize_data_dependence_relation, finalize_ddr_dependent,
15173 compute_all_dependences, find_data_references_in_loop,
15174 compute_data_dependences_for_loop, analyze_all_data_dependences,
15175 free_dependence_relation, free_dependence_relations,
15176 free_data_refs): Idem.
15177 * tree-data-ref.h (data_reference_p, subscript_p): New.
15178 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
15179 VEC instead of VARRAY.
15180 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
15181 (find_data_references_in_loop, compute_data_dependences_for_loop,
15182 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
15183 dump_data_dependence_relations, free_dependence_relations,
15184 free_data_refs): Adjust declaration.
15185 (lambda_transform_legal_p): Move declaration here...
15186 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
15187 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
15188 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
15189 vect_analyze_data_refs): Use VEC instead of VARRAY.
15190 * lambda.h (lambda_transform_legal_p): ...from here.
15191 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
15192 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
15193 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
15194 tree-chrec.o): Don't depend on VARRAY_H.
15196 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15198 * rtl.def (Copyright): Update date.
15199 (DEPS_LIST): Change type of the second operand to 'int'.
15200 * target.h (Copyright): Update date.
15201 (struct gcc_target.speculate_insn): Change type of the second parameter
15203 * lists.c (Copyright): Update date.
15204 (alloc_DEPS_LIST): Change signature. Update reference to the second
15205 operand of the DEPS_LIST.
15206 (copy_DEPS_LIST_list): Update reference to the second operand of the
15208 * rtl.h (Copyright): Update date.
15209 (alloc_DEPS_LIST): Update signature.
15210 * sched-int.h (Copyright): Update date.
15211 (ds_t): Change typedef to 'int'.
15212 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
15214 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15216 * haifa-sched.c (Copyright): Update date.
15217 (try_ready): Change condition to restore non-speculative pattern
15218 of the instruction.
15219 (process_insn_depend_be_in_spec): Code to keep probability of the
15220 speculative dependence non-decreasing.
15222 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
15224 * regrename.c (replace_oldest_value_addr): Initialize a variable to
15225 shut up the compiler.
15227 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
15229 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
15230 to use lib prefix for target.
15231 ($(T)libic_invalidate_array_4-200.a): Likewise.
15232 ($(T)libic_invalidate_array_4a.a): Likewise.
15234 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
15235 J"orn Rennecke <joern.rennecke@st.com>
15237 * superh.opt: New file.
15238 * sh.c (boardtype, osruntime): Remove.
15239 * superh.h (SUBTARGET_OPTIONS): Remove.
15240 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
15242 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
15243 arguments with ^ and/or [].
15245 * config.gcc (sh-*-*): Add quoting to account for quirk of
15247 Replace == with = in enable_incomplete_targets test.
15249 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
15250 with MASK_LITTLE_ENDIAN.
15252 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
15253 * config/sh/sh.opt: Added to some comments.
15254 * config/sh/superh.h: Removed some chaff.
15256 * config/sh/sh.opt: Add m4-[1234]00* options.
15257 * config/sh/sh.c (sh_handle_option): Likewise.
15258 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
15259 (ic_invalidate_array_4-100.o): New rule.
15260 ($(T)libic_invalidate_array_4-100.a): Likewise.
15261 (ic_invalidate_array_4-200.o): Likewise.
15262 ($(T)libic_invalidate_array_4-200.a): Likewise.
15263 (ic_invalidate_array_4a.o): Likewise.
15264 ($(T)libic_invalidate_array_4a.a): Likewise.
15265 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
15266 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
15268 * config/sh/crt1.asm: Merged in profiling code.
15269 * config/sh/superh.h (STARTFILE_SPEC): Override.
15270 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
15271 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
15272 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
15274 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
15275 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
15276 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
15278 * sh.opt (mpretend-cmove): New option.
15279 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
15280 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
15281 (movsicc): Add TARGET_PRETEND_CMOVE code.
15283 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
15285 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
15286 s390_class_max_nregs): New function prototypes.
15287 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
15288 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
15289 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
15290 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
15292 2006-03-26 Geoffrey Keating <geoffk@apple.com>
15294 * dwarf2out.c (add_location_or_const_value_attribute): Call
15295 tree_add_const_value_attribute if nothing else works.
15296 (reference_to_unused): New.
15297 (rtl_for_decl_init): Use reference_to_unused to decide whether
15298 to output an initializer.
15300 2006-03-27 Alan Modra <amodra@bigpond.net.au>
15303 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
15304 peephole removing spe frob_di_df_2.
15306 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
15308 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
15309 (subscript_dependence_tester_1): Declared.
15310 (print_dir_vectors, print_dist_vectors): New.
15311 (debug_data_dependence_relation): New.
15312 (dump_data_dependence_relation): Print more details.
15313 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
15314 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
15315 (save_dist_v, save_dir_v, add_outer_distances,
15316 build_classic_dist_vector_1): New.
15317 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
15318 Don't test for lambda_vector_lexico_pos.
15319 (same_access_functions, add_multivariate_self_dist,
15320 add_other_self_distances, dir_from_dist): New.
15321 (build_classic_dir_vector): Replace implementation almost identical to
15322 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
15324 (subscript_dependence_tester_1): New.
15325 (subscript_dependence_tester): Handle the lexicographically negative
15326 distance vectors by recomputing the dependence relation.
15327 (compute_affine_dependence): Remove parameter loop_nest_depth.
15328 (compute_self_dependence): Don't call compute_subscript_distance.
15329 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
15330 Add a parameter for the loop_nest.
15331 (find_loop_nest_1, find_loop_nest): New.
15332 (compute_data_dependences_for_loop): Compute the loop nest, and give
15333 up if the nest is not well formed.
15334 * tree-data-ref.h (loop_p): New.
15335 (struct data_dependence_relation): Replace size_vect field with
15336 loop_nest, a vec of loops.
15337 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
15338 (DDR_LOOP_NEST): New.
15339 (print_dir_vectors, print_dist_vectors,
15340 debug_data_dependence_relation): Declared.
15341 (index_in_loop_nest): New.
15342 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
15343 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
15346 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
15348 * simplify-rtx.c (simplify_relational_operation): Call
15349 simplify_relational_operation_1 even if mode is VOIDmode.
15351 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
15353 PR tree-optimization/26804
15354 * tree.h (DECL_CALL_CLOBBERED): New macro.
15355 (tree_decl_common): Add call_clobbered_flag.
15356 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
15357 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
15358 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
15359 (mark_non_addressable): Ditto.
15360 * tree-ssa.c (verify_call_clobbered): New function.
15361 (verify_alias_info): Use it.
15362 * tree-pass.h (pass_reset_cc_flags): New prototype.
15363 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
15364 (reset_cc_flags): New function.
15365 * passes.c (init_optimization_passes): Call reset_cc_flags after
15366 initializing referenced_vars.
15368 2006-03-25 Uros Bizjak <uros@kss-loka.si>
15369 Roger Sayle <roger@eyesopen.com>
15371 PR middle-end/26717
15372 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
15373 to 1.0 for non-real operands. Implement A / A optimization for
15376 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
15378 * config/i386/i386.c (size_cost): Correct the comment for
15379 cost of storing fp registers.
15380 (i386_cost): Likewise.
15381 (i486_cost): Likewise.
15382 (pentium_cost): Likewise.
15383 (pentiumpro_cost): Likewise.
15384 (k6_cost): Likewise.
15385 (athlon_cost): Likewise.
15386 (k8_cost): Likewise.
15387 (pentium4_cost): Likewise.
15388 (nocona_cost): Likewise.
15389 (generic64_cost): Likewise.
15390 (generic32_cost): Likewise.
15392 2006-03-24 Denis Chertykov <denisc@overta.ru>
15394 * config/avr/avr-protos.h (extra_constraint): Delete.
15395 (extra_constraint_Q): New declaration.
15396 * config/avr/constraints.md: New file.
15397 * config/avr/avr.md: Include it.
15398 (REG_X, REG_Y, REG_Z, REG_W): New constants.
15399 (TMP_REGNO, ZERO_REGNO): Likewise.
15400 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
15401 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
15402 (extra_constraint): Delete.
15403 (extra_constraint_Q): Test for memory constraint 'Q'.
15404 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
15405 (REG_CLASS_FROM_LETTER): Delete.
15406 (CONST_OK_FOR_LETTER_P): Delete.
15407 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15408 (EXTRA_CONSTRAINT): Delete.
15409 (TMP_REGNO): Delete.
15410 (ZERO_REGNO): Delete.
15412 2006-03-24 Jeff Law <law@redhat.com>
15414 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
15415 directly. Call mark_new_vars_to_rename slightly earlier.
15417 2006-03-24 Geoffrey Keating <geoffk@apple.com>
15419 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
15420 (is_cxx): Likewise.
15421 (gen_compile_unit_die): Use new language types for Objective-C and
15423 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
15424 DW_LANG_C_plus_plus.
15427 * config/t-darwin (crt3.o): Work around bug 26840.
15428 * config/darwin-crt3.c: Rewrite.
15429 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
15431 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
15433 * doc/invoke.texi: Document -femit-class-debug-always
15434 * common.opt: Add -femit-class-debug-always.
15436 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
15438 * config/s390/s390.c (s390_decompose_address): Allow SImode for
15439 index and base register.
15440 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
15441 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
15442 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
15443 REGNO_OK_FOR_INDEX_P.
15444 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
15446 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
15447 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
15448 REG_OK_FOR_BASE_P): Definitions removed.
15450 2006-03-24 Jakub Jelinek <jakub@redhat.com>
15452 PR middle-end/26611
15453 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
15454 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
15455 set yet or weren't marked as local yet.
15457 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
15459 * regrename.c (scan_rtx_address): Initialize a variable to shut up
15462 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
15464 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
15465 (rs6000_legitimate_small_data_p): Delete.
15466 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
15467 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
15468 and make static. Add forward declaration. Update uses.
15469 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
15470 of offsettable_memref_p.
15471 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
15472 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
15474 2006-03-24 Jeff Law <law@redhat.com>
15476 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
15477 around bug in immediate-use iterator.
15479 2006-03-24 Alan Modra <amodra@bigpond.net.au>
15482 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
15483 or __LITTLE_ENDIAN__.
15485 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
15487 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
15488 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
15489 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
15490 * config/sh/sh.opt (mdiv=): Amend description.
15491 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
15492 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
15493 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
15494 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
15495 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
15496 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
15497 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
15498 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
15499 TARGET_DIVIDE_CALL_FP.
15501 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15503 * haifa-sched.c (choose_ready): Fix type of the local variable.
15504 Move local variables. Add comment.
15505 (check_reg_live): Change signature. Make callable from debugger.
15506 * sched-int.h (check_reg_live): Update signature.
15507 * sched-ebb.c (check_reg_live): Update parameters.
15508 * sched-rgn.c (check_reg_live): Ditto.
15509 (region_head_or_leaf_p): Check pointer before dereferencing.
15510 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
15511 before reload on optimization levels below 1.
15513 2006-03-23 Richard Henderson <rth@redhat.com>
15515 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
15519 * config/alpha/predicates.md (local_symbolic_operand): Reject
15522 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
15525 * tree-ssa-pre.c (create_value_expr_from): Don't reject
15526 expressions which have overflowed constants.
15528 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15530 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
15532 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15534 * cfgloopmanip.c (create_loop_notes): Removed.
15535 * final.c (final_scan_insn): Do not handle loop notes.
15536 * jump.c (squeeze_notes): Ditto.
15537 * cfglayout.c (skip_insns_after_block,
15538 duplicate_insn_chain): Ditto.
15539 * cfgcleanup.c (rest_of_handle_jump2): Do not call
15541 * cfgloop.h (create_loop_notes): Declaration removed.
15543 2006-03-23 Richard Sandiford <richard@codesourcery.com>
15545 * varasm.c (output_constant_pool): Restore fnname and fndecl
15547 (assemble_start_function): Adjust call accordingly.
15548 (assemble_end_function): Likewise.
15550 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15553 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15556 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
15558 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15561 * system.h (ICE_EXIT_CODE): New macro.
15562 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
15563 (diagnostic_action_after_output): Likewise.
15564 * gcc.c (fatal_ice): New function.
15565 (execute): Use it instead of fatal.
15566 (fancy_abort): Likewise.
15567 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
15569 2006-03-22 Jeff Law <law@redhat.com>
15571 * loop-unroll.c (analyze_iv_to_split_insn): Handle
15572 iv_analyze_result returning false.
15574 2006-03-22 Jie Zhang <jie.zhang@analog.com>
15576 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
15578 2006-03-22 Richard Henderson <rth@redhat.com>
15580 PR middle-end/26084
15581 * except.c (duplicate_eh_regions_0): New.
15582 (duplicate_eh_region_1): Duplicate the children of the node as
15583 well as the node itself. Link them up properly.
15584 (duplicate_eh_region_2): Merge into ...
15585 (duplicate_eh_regions): ... here. Take copy_region argument, and
15586 copy only a sub-tree if asked. Simplify copying and fixup.
15587 (eh_region_outer_p): New.
15588 * except.h (duplicate_eh_regions): Update decl.
15589 (eh_region_outer_p): Declare.
15590 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15591 (lower_omp_master): Likewise.
15592 (lower_omp_ordered): Likewise.
15593 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
15594 (move_stmt_r): Use it to remap labels. Handle recursion vs
15595 remap_decls_p properly.
15596 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
15597 (find_outermost_region_in_block): New.
15598 (new_label_mapper): New.
15599 (move_sese_region_to_fn): Copy eh information to the new function
15601 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15603 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15606 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15608 * doc/md.texi (-mshared): Mention that -mshared code can be linked
15609 into shared libraries.
15611 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15613 * doc/md.texi: Refer to i386/constraints.md instead of
15614 i386/predicates.md.
15615 * config/i386/constraints.md: New file, extracted from...
15616 * config/i386/predicates.md: ...here.
15617 * config/i386/i386.md: Include constraints.md.
15619 2006-03-21 Jason Merrill <jason@redhat.com>
15621 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15623 PR middle-end/20297
15624 * expr.c (init_block_move_fn): Force default visibility.
15625 (init_block_clear_fn): Likewise.
15626 * builtins.c (expand_builtin_fork_or_exec): Likewise.
15627 * targhooks.c (default_external_stack_protect_fail): Likewise.
15629 2006-03-21 Richard Sandiford <richard@codesourcery.com>
15631 * config/mips/predicates.md (const_call_insn_operand): Allow direct
15632 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15633 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15634 Use TARGET_OLDABI instead of !TARGET_NEWABI.
15635 (loadgp): Use mips_current_loadgp_style.
15636 (loadgp_noshared): New pattern.
15637 (sibcall_internal): Use MIPS_CALL.
15638 (sibcall_value_internal): Likewise.
15639 (sibcall_value_multiple_internal): Likewise.
15640 (call_internal): Likewise.
15641 (call_value_internal): Likewise.
15642 (call_value_multiple_internal): Likewise.
15643 (call_split): Use MIPS_CALL and add an 'S' constraint.
15644 (call_value_split): Likewise.
15645 (call_value_multiple_split): Likewise.
15646 * config/mips/mips.opt (-mabicalls): Tweak docstring.
15647 (-mshared): New option.
15648 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15649 (mips_current_loadgp_style): Declare.
15650 * config/mips/mips.c (mips_classify_symbol): Avoid using
15651 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
15652 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15653 TARGET_ABSOLUTE_ABICALLS.
15654 (override_options): Adjust comments. Improve the warning that is
15655 issued when -mabicalls and -G are used together.
15656 (mips_file_start): Remove comment.
15657 (mips_current_loadgp_style): New function.
15658 (mips_gnu_local_gp): New variable.
15659 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
15661 (mips_output_function_prologue): Use mips_current_laodgp_style.
15662 (mips_expand_prologue): Call mips_emit_loadgp before emitting
15663 the cprestore instruction.
15664 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
15665 live for TARGET_ABSOLUTE_ABICALLS.
15666 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15667 (ASM_SPEC): Pass down -mshared and -mno-shared.
15668 (MIPS_CALL): New macro.
15669 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15671 * doc/invoke.texi (-mabicalls): Update documentation.
15672 (-mshared): Document.
15674 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15676 * config/ia64/unwind-hpux.c: New file.
15677 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15679 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15682 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15684 2006-03-21 Jeff Law <law@redhat.com>
15686 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15687 type conversions of a VR_VARYING source to a wider type.
15689 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15691 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15692 tm_file on Solaris 10 and later.
15693 (sparc64-*-solaris2*): Likewise.
15694 (sparc-*-solaris2*): Likewise.
15695 * config/sol26.h: Rename to config/sol2-6.h.
15696 * config/sol2-10.h: New file.
15698 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
15701 * tree-ssa-pre.c (create_component_ref_by_pieces):
15704 2006-03-21 Jakub Jelinek <jakub@redhat.com>
15707 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15708 return it immediately.
15710 2006-03-21 Michael Matz <matz@suse.de>
15712 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15714 (remove_arc, add_arc): Update num_out_arcs member.
15715 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15717 (cache_presence): New function.
15718 (compare_states_for_equiv): New function.
15719 (state_is_differed): Don't take number of outargs, adjust callers.
15720 Use new invariant for speeding up.
15721 (init_equiv_class): Create initial classes based on sorted
15723 (partition_equiv_class): Don't track out_arcs_num.
15724 (evaluate_equiv_classes): Call cache_presence on all states and
15727 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15729 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15730 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15731 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15732 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15734 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15735 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15736 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15737 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15738 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15740 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15741 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15742 (REGNO_REG_CLASS): ARGP is in PREGS.
15743 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15745 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15746 to deal with those addresses.
15747 * addresses.h: New file.
15748 * caller-save.c: Include "addresses.h".
15749 (init_caller_save): Use new base_reg_class function.
15750 * rtl-factoring.c: Include "addresses.h".
15751 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15752 * recog.c: Include "addresses.h".
15753 (preprocess_constraints): Use new base_reg_class function.
15754 * regrename.c: Include "addresses.h".
15755 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15756 functions. Keep track of a new var INDEX_CODE to compute valid
15758 (replace_oldest_value_addr): Likewise.
15759 (replace_oldest_value_mem): Use base_reg_class.
15760 * reload.c: Include "addresses.h".
15761 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15762 (find_reloads): Use new base_reg_class function.
15763 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15764 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15765 all callers and prototype changed.
15766 * reload1.c: Include "addresses.h".
15767 (maybe_fix_stack_asms): Use base_reg_class.
15768 * regclass.c: Include "addresses.h".
15769 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15770 (init_reg_autoinc): Use new base_reg_class function.
15771 (record_reg_classes): Likewise.
15772 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15773 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15774 Use new args to compute necessary class.
15776 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15777 regrename.o, rtl-factoring.o): Update dependencies.
15778 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15779 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15780 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15781 REG_OK_FOR_INDEX_P): Delete documentation.
15783 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15785 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15786 from V7 to V9 for Solaris 7 and above.
15788 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15790 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15791 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15792 argument pointers may not alias any other storage.
15793 * common.opt: Define option -fargument-noalias-anything.
15794 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15795 alias semantics is specified by flag_argument_noalias > 2.
15797 2006-03-20 Jeff Law <law@redhat.com>
15799 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15800 (pass_phi_only_cprop): Declare.
15801 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15802 with phi_only_cprop
15803 * tree-ssa-dom.c (degenerate_phi_result): New function.
15804 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15805 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15806 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15807 (eliminate_degenerate_phis): Likewise.
15808 (pass_phi_only_cprop): New pass descriptor.
15809 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15810 support code. Callers updated.
15811 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15812 (store_copy_prop): Likewise.
15813 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15815 2006-03-20 Jason Merrill <jason@redhat.com>
15818 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15819 (push_visibility, pop_visibility): Likewise.
15820 * c-pragma.h: Declare them.
15822 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15824 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15826 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15827 parameter and use get_ebb_head_tail.
15828 (sh_md_init_global): Adjust uses of find_regmode_weight.
15830 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15832 * function.h (struct function) <x_tail_recursion_reentry>:
15833 Rename to x_stack_check_probe_note.
15834 (tail_recursion_reentry): Rename to stack_check_probe_note.
15835 * function.c: Replace tail_recursion_reentry with
15836 stack_check_probe_note everywhere.
15837 (expand_function_start): Only emit a note for
15838 stack_check_probe_note with -fstack-protect.
15839 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15841 * emit-rtl.c (remove_unnecessary_notes): Remove.
15842 (pass_remove_unnecessary_notes): Remove.
15843 * rtl.h (remove_unnecessary_notes): Remove prototype.
15844 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15845 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15846 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15848 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15851 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15852 (valid_in_set): Handle ARRAY_REF.
15853 Change "if min_variant or VH" to asserts.
15854 (create_component_ref_by_pieces): Handle ARRAY_REF.
15855 (create_expression_by_pieces): Likewise.
15856 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15858 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15860 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15861 is operand of switch, not str[0].
15863 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15865 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15866 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15868 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15870 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15871 end of insn_extra_address_constraint declaration.
15873 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15875 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15876 (no-sum-in-toc): Same.
15877 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15879 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15880 NO_FP_IN_TOC for -fPIC instead of mask.
15882 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15883 (BOOT_LDFLAGS): Delete.
15885 * config/rs6000/t-aix52: Same.
15887 * config/rs6000/rs6000.md (store_multiple_power): Delete.
15888 (stmsi[345678]_power): New.
15890 2006-03-17 Steve Ellcey <sje@cup.hp.com>
15892 * config/ia64/ia64.opt: Add empty line to end of file.
15894 2006-03-17 Richard Guenther <rguenther@suse.de>
15896 PR middle-end/26721
15897 * builtins.c (get_pointer_alignment): For component style references
15898 adjust alignment to the component type alignment. Make sure
15899 to adjust alignment for component access of constants.
15901 2006-03-17 David Edelsohn <edelsohn@gnu.org>
15903 * config/rs6000/rs6000.md (strlensi): Emit barrier after
15904 unconditional jump.
15906 2006-03-17 Paul Brook <paul@codesourcery.com>
15908 * doc/install.texi: Docuemnt --with-mode.
15909 * config.gcc: Add --with-mode for arm*-*-*.
15910 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15912 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
15914 * sh.c (max_labelno_before_reorg): New variable.
15915 (sh_reorg): Initialize it.
15916 (find_barrier): Check max_labelno_before_reorg before using
15917 label_to_alignment. Take length of explicit alignment insns
15918 into account. When seeing a UNSPECV_CONST_END, return it.
15920 * sh.c (fixup_mova): Set mode of affected label to QImode.
15921 (untangle_mova): New function.
15922 (find_barrier): Use it. Check mode of label before decrementing
15924 (sh_reorg): Likewise.
15925 Set mode of all insns back to VOIDmode.
15927 * sh.c (MOVA_LABELREF): New macro.
15928 (mova_p, fixup_mova, sh_reorg): Use it.
15929 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15930 ADDR_DIFF_VEC matches mova.
15932 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
15934 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15935 with ATTRIBUTE_UNUSED.
15937 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15939 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15940 pointer, instead of assuming it is possible to derive the
15941 correct args size from a call insn.
15943 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15945 * rtl.h (CONST_INT_P): Define.
15946 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15947 instead of GET_CODE(x) == CONST_INT.
15948 (vax_rtx_costs): Likewise.
15949 (vax_output_int_move): Likewise.
15950 (vax_output_int_add): Likewise.
15951 (legitimate_constant_address_p): Likewise.
15952 (index_term_p): Likewise.
15953 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15954 * config/vax/vax.md (and<mode>3): Likewise.
15955 (ashrsi3): Likewise.
15957 (movstricthi): Likewise.
15958 (movstrictqi): Likewise.
15959 (rotrsi3): Likewise.
15960 (five unnamed insns): Likewise.
15962 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15964 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15965 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15966 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15967 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15968 Pass to ASM_OUTPUT_DWARF_OFFSET.
15969 * dwarf2out.c (debug_frame_section): New.
15970 (output_call_frame_info): Use debug_frame_section. Pass it to
15971 dw2_asm_output_offset.
15972 (output_die): Pass appropriate section to dw2_asm_output_offset.
15973 (output_compilation_unit_header): Likewise.
15974 (output_pubnames): Likewise.
15975 (output_aranges): Likewise.
15976 (enum dw_val_class): Break dw_val_class_lbl_offset into
15977 dw_val_class_lineptr and dw_val_class_macptr.
15978 (add_AT_lbl_offset): Delete.
15979 (add_AT_lineptr): New.
15980 (add_AT_macptr): New.
15981 (AT_lbl): Expect a lineptr or macptr.
15982 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15983 (attr_checksum): Likewise.
15984 (same_dw_val_p): Likewise.
15985 (size_of_die): Likewise.
15986 (value_format): Likewise.
15987 (output_die): Likewise.
15988 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15990 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15991 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15992 * config/darwin-protos.h (darwin_file_start): New.
15993 (darwin_asm_output_dwarf_offset): New.
15994 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15995 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15997 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15998 if not EH section; simplify.
15999 (darwin_file_start): New.
16000 (darwin_asm_output_dwarf_offset): New.
16001 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
16003 (DEBUG_INFO_SECTION): Likewise.
16004 (DEBUG_ABBREV_SECTION): Likewise.
16005 (DEBUG_ARANGES_SECTION): Likewise.
16006 (DEBUG_MACINFO_SECTION): Likewise.
16007 (DEBUG_LINE_SECTION): Likewise.
16008 (DEBUG_LOC_SECTION): Likewise.
16009 (DEBUG_PUBNAMES_SECTION): Likewise.
16010 (DEBUG_STR_SECTION): Likewise.
16011 (DEBUG_RANGES_SECTION): Likewise.
16012 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
16013 (ASM_OUTPUT_DWARF_OFFSET): New.
16015 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
16017 * config.gcc (tm_defines): Always add to previous value rather
16020 2006-03-16 Richard Sandiford <richard@codesourcery.com>
16022 * config/mips/predicates.md (splittable_const_int_operand): New,
16023 split from move_operand.
16024 (splittable_symbolic_operand): New.
16025 (move_operand): Add commentary. Use splittable_const_int_operand.
16026 Inline mips_atomic_symbolic_constant_p.
16027 * config/mips/mips.md: Add combine splitters for handling moves
16028 of splittable_const_int_operands and splittable_symbolic_operands.
16029 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
16030 (mips_split_symbol): Declare.
16031 (mips_move_integer): Declare.
16032 * config/mips/mips.c (mips_split_p): Make global.
16033 (TARGET_MIN_ANCHOR_OFFSET): Override default.
16034 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16035 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16036 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
16037 (mips_offset_within_object_p): Handle block symbols.
16038 (mips_atomic_symbolic_constant_p): Delete.
16039 (mips_cannot_force_const_mem): Return false for constants that
16040 mips_legitimize_move can handle.
16041 (mips_use_blocks_for_constant_p): New function.
16042 (mips_split_symbol): Make global.
16043 (mips_move_integer): Likewise. Add a temporary register argument.
16044 (mips_legitimize_const_move): Use splittable_const_int_operand and
16045 splittable_symbolic_operand.
16046 (mips_use_anchors_for_symbol_p): New function.
16047 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
16048 (mips_split_p): Declare.
16050 2006-03-16 Richard Sandiford <richard@codesourcery.com>
16052 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
16053 (mips*-*-linux*): Likewise.
16055 2006-03-16 Roger Sayle <roger@eyesopen.com>
16056 Daniel Speyer <dspeyer@wam.umd.edu>
16058 PR middle-end/18259
16059 * tree-dump.c (dump_real): New function.
16060 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
16061 * Makefile.in (REAL_H): New macro for dependencies on real.h.
16062 (tree-dump.o): Add $(REAL_H) to the dependencies.
16064 2006-03-16 Roger Sayle <roger@eyesopen.com>
16066 PR middle-end/21781
16067 * real.c (real_from_string): If the mantissa is zero, don't bother
16068 parsing the exponent as the result should always be zero.
16070 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
16072 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
16074 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16076 * config/ia64/ia64.c (stops_p): Added explicit initialization.
16077 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
16078 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
16079 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
16080 ia64_sched_finish_global): New static functions to implement
16081 hooks from gcc_target.sched.
16082 (spec_check_no, max_uid, pending_data_specs): New static variables.
16083 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
16084 ia64_spec_check_src_p): New static functions.
16085 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
16086 (TARGET_SCHED_ADJUST_COST): Removed.
16087 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
16088 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
16089 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16090 TARGET_SCHED_GEN_CHECK,
16091 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16092 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
16093 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
16094 Fixed to handle speculation checks.
16095 (rtx_needs_barrier): Fixed to handle speculative loads and
16097 (ia64_variable_issue): Added code to count speculative loads and their
16099 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
16101 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
16103 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
16105 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
16106 (ia64_reorg): Reset stops_p to NULL after it is freed.
16107 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
16108 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
16109 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
16111 (data_speculative, control_speculative, check_load): New attributes.
16112 (mov<mode>_advanced, mov<mode>_speculative,
16113 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
16114 zero_extend<mode>di2_speculative,
16115 zero_extend<mode>di2_speculative_advanced): New patterns for
16116 data and control speculative loads.
16117 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
16119 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
16120 New pattern for data and control speculation checks.
16121 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
16122 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
16123 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
16124 Auxiliary definitions for the patterns.
16125 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
16126 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
16128 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
16130 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
16131 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
16132 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
16133 New resource constraints.
16134 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
16136 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
16137 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
16138 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
16139 msched-in-control-spec, msched-ldc, msched-control-ldc,
16140 msched-spec-verbose, msched-prefer-non-data-spec-insns,
16141 msched-prefer-non-control-spec-insns,
16142 msched-count-spec-in-critical-path): New flags to tune speculative
16144 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
16145 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
16146 msched-in-control-spec, msched-ldc, msched-control-ldc,
16147 msched-spec-verbose, msched-prefer-non-data-spec-insns,
16148 msched-prefer-non-control-spec-insns,
16149 msched-count-spec-in-critical-path): Document new flags.
16151 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16153 * target.h (struct spec_info_def): New opaque declaration.
16154 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
16155 speculate_insn, needs_block_p, gen_check,
16156 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
16157 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
16158 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
16159 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
16160 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16161 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
16163 (TARGET_SCHED): Use new macros.
16164 * rtl.h (copy_DEPS_LIST_list): New prototype.
16165 * sched-int.h (struct sched_info): Change signature of new_ready field,
16166 adjust all initializations. New fields: add_remove_insn,
16167 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
16168 region_head_or_leaf_p.
16169 (struct spec_info_def): New structure declaration.
16170 (spec_info_t): New typedef.
16171 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
16172 recovery_block, orig_pat.
16173 (glat_start, glat_end): New variables declaraions.
16174 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
16176 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
16177 DETACH_LIFE_INFO, USE_GLAT.
16178 (enum SPEC_SCHED_FLAGS): New enumeration.
16179 (NOTE_NOTE_BB_P): New macro.
16180 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
16181 attach_life_info, debug_spec_status, check_reg_live): New functions.
16182 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
16183 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
16185 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
16186 * ddg.c (get_block_head_tail): Adjust all uses.
16187 * modulo-sched.c (get_block_head_tail): Adjust all uses.
16188 (sms_sched_info): Initialize new fields.
16189 (contributes_to_priority): Removed.
16190 * haifa-sched.c (params.h): New include.
16191 (get_block_head_tail): Adjust all uses.
16192 (ISSUE_POINTS): New macro.
16193 (glat_start, glat_end): New global variables.
16194 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
16195 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
16196 old_last_basic_block, before_recovery, current_sched_info_var,
16197 rgn_n_insns, luid): New static variables.
16198 (insn_cost1): New function. Move logic from insn_cost to here.
16199 (find_insn_reg_weight1): New function. Move logic from
16200 find_insn_reg_weight to here.
16201 (reemit_notes, move_insn, max_issue): Change signature.
16202 (move_insn1): Removed.
16203 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
16204 extend_bb): New static functions to support extension of scheduler's
16206 (generate_recovery_code, process_insn_depend_be_in_spec,
16207 begin_speculative_block, add_to_speculative_block,
16208 init_before_recovery, create_recovery_block, create_check_block_twin,
16209 fix_recovery_deps): New static functions to support
16210 generation of recovery code.
16211 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
16212 restore_bb_notes, move_block_after_check, move_succs): New static
16213 functions to support ebb scheduling.
16214 (init_glat, init_glat1, attach_life_info1, free_glat): New static
16215 functions to support handling of register live information.
16216 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
16217 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
16218 add_jump_dependencies): New static functions.
16219 (check_cfg, has_edge_p, check_sched_flags): New static functions for
16220 consistancy checking.
16221 (debug_spec_status): New function to call from debugger.
16222 (priority): Added code to handle speculation checks.
16223 (rank_for_schedule): Added code to distinguish speculative instructions.
16224 (schedule_insn): Added code to handle speculation checks.
16225 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
16226 Fixed to handle ebbs.
16227 (move_insn): Added code to handle ebb scheduling.
16228 (max_issue): Added code to use ISSUE_POINTS of instructions.
16229 (choose_ready): Added code to choose between speculative and
16230 non-speculative instructions.
16231 (schedule_block): Added code to handle ebb scheduling and scheduling of
16232 speculative instructions.
16233 (sched_init): Initialize new variables.
16234 (sched_finish): Free new variables. Print statistics.
16235 (try_ready): Added code to handle speculative instructions.
16236 * lists.c (copy_DEPS_LIST_list): New function.
16237 * sched-deps.c (extend_dependency_caches): New function. Move logic
16238 from create_dependency_caches to here.
16239 (get_dep_weak, ds_merge): Make global.
16240 * genattr.c (main): Code to output prototype for
16241 dfa_clear_single_insn_cache.
16242 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
16243 (output_dfa_clean_insn_cache_func): Code to output
16244 dfa_clear_single_insn_cache function.
16245 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
16247 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
16249 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
16250 New static variables.
16251 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
16252 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
16254 (ebb_sched_info): Initialize new fields.
16255 (get_block_head_tail): Adjust all uses.
16256 (compute_jump_reg_dependencies): Fixed to use glat_start.
16257 (schedule_ebb): Code to remove unreachable last block.
16258 (schedule_ebbs): Added code to update register live information.
16259 * sched-rgn.c (region_sched_info): Initialize new fields.
16260 (get_block_head_tail): Adjust all uses.
16261 (last_was_jump): Removed. Adjust users.
16262 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
16263 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
16264 Implement new hooks.
16265 (check_dead_notes1): New static function.
16266 (struct region): New fields: dont_calc_deps, has_real_ebb.
16267 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
16268 (BB_TO_BLOCK): Fixed to handle EBBs.
16269 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
16270 (ebb_head): New static variable.
16271 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
16272 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
16274 (compute_dom_prob_ps): New assertion.
16275 (check_live_1, update_live_1): Fixed to work with glat_start instead of
16276 global_live_at_start.
16277 (init_ready_list): New assertions.
16278 (can_schedule_ready_p): Split update code to begin_schedule_ready.
16279 (new_ready): Add support for BEGIN_CONTROL speculation.
16280 (schedule_insns): Fixed code that updates register live information
16282 (schedule_region): Fixed to handle EBBs.
16283 (init_regions): Use extend_regions and check_dead_notes1.
16284 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
16285 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
16286 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
16287 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16288 TARGET_SCHED_GEN_CHECK,
16289 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16290 TARGET_SCHED_SET_SCHED_FLAGS): Document.
16291 * doc/invoke.texi (max-sched-insn-conflict-delay,
16292 sched-spec-prob-cutoff): Document.
16294 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16296 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
16297 inter_tick, queue_index.
16298 (struct sched_info): Change signature of init_ready_list field.
16299 Adjust all initializations.
16300 (RESOLVED_DEPS): New access macro.
16301 (ready_add): Remove prototype.
16302 (try_ready): Add prototype.
16303 * sched-rgn.c (init_ready_list): Use try_ready.
16304 (schedule_region): Initialize
16305 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
16306 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
16307 (init_ready_list): Use try_ready.
16308 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
16309 * lists.c (remove_list_elem): Remove `static'.
16310 (remove_free_INSN_LIST_elem): New function.
16311 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
16312 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
16313 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
16315 (readyp): New variable.
16316 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
16317 change_queue_index, resolve_dep): New static functions.
16318 (try_ready): New function. Adjust callers in sched-rgn.c and
16319 sched-ebb.c to use it instead of ready_add.
16320 (clock_var): Move at the begining of file.
16321 (rank_for_schedule): Fix typo.
16322 (queue_insn): Add assertion. Handle QUEUE_INDEX.
16323 (ready_lastpos): Enforce assertion.
16324 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
16325 update all callers.
16326 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
16327 (schedule_insn): Rewrite to use try_ready and resolve_dep.
16328 (queue_to_ready): Use free_INSN_LIST_list.
16329 (early_queue_to_ready): Fix typo.
16330 (schedule_block): Init readyp. Move init_ready_list call after the
16331 initialization of clock_var. Fix error in rejecting insn by
16332 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
16333 that previously corrected INSN_TICKs. Add code for handling
16335 (set_priorities): Fix typo.
16336 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
16337 Clarify comment and code that keeps current_sched_info->next_tail
16340 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16342 * sched-rgn.c (extend_rgns): New static function.
16343 (find_rgns): Use it.
16344 (gather_region_statistics, print_region_statistics): New static
16346 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
16347 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
16349 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16350 Andrey Belevantsev <abel@ispras.ru>
16352 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
16353 * lists.c (unused_deps_list): New variable.
16354 (free_list): Add assertions to verify the proper distinguishing
16355 between INSN_LISTs and DEPS_LISTs.
16356 (find_list_elem, remove_list_elem, remove_list_node): New static
16358 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
16359 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
16360 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
16361 (alloc_INSN_LIST): Assert that the list we're working on is indeed
16363 (free_INSN_LIST_node): Likewise.
16364 * modulo-sched.c (current_sched_info): Initialize flags field.
16365 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
16366 * rtl.def (DEPS_LIST): Define.
16367 * rtl.h: Declare new functions from lists.c.
16368 * sched-deps.c (spec_dependency_cache): New static variable.
16369 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
16370 (add_dependence): Change return type to void. Move the logic to ...
16371 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
16372 (delete_all_dependences): Add comment about forward_dependency_cache.
16373 Handle spec_dependency_cache. Handle DEPS_LISTs.
16374 (fixup_sched_groups): Clarify the change of priority of output
16375 and anti dependencies.
16376 (sched_analyze_2): Adjust add_dependence calls to create data
16377 speculative dependence.
16378 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
16379 Adjust all callers. Handle DEPS_LISTS.
16380 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
16381 presence of speculation.
16382 (init_dependency_caches, free_dependency_caches):
16383 Handle spec_dependency_cache.
16384 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
16385 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
16386 New static functions.
16387 (add_or_update_back_dep, add_or_update_back_forw_dep,
16388 add_back_forw_dep, delete_back_forw_dep): New functions.
16389 * sched-int.h (ds_t, dw_t): New typedefs.
16390 (struct sched_info): Add new field flags.
16391 (struct haifa_insn_data): Add new bitfield has_internal_dep.
16392 Prototype new sched-deps.c functions.
16393 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
16394 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
16395 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
16396 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
16397 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
16398 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
16400 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
16402 * sched-rgn.c (current_sched_info): Initialize flags field.
16403 (schedule_insns): Initialize current_sched_info before the sched_init
16405 * sched-ebb.c (current_sched_info): Initialize flags field.
16406 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
16407 Call add_or_update_back_dep instead of add_dependence.
16408 Create control speculative dependencies.
16409 (schedule_insns): Initialize current_sched_info before the sched_init
16412 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
16414 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
16416 (sh_fallback_frame_state): Likewise.
16418 2006-03-15 Geoffrey Keating <geoffk@apple.com>
16420 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
16421 Do switch on default_use_cxa_atexit.
16422 (powerpc*-*-darwin*): Build crt2.o on powerpc.
16423 * config/darwin-crt3.o: New.
16424 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
16425 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
16426 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
16428 * config/rs6000/t-darwin: Move crt2.o building to here.
16429 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
16430 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
16433 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16435 * config/vax/vax.c (nonindexed_address_p): Change logical negation
16436 from '! xxx' to '!xxx' for coding-style conformance.
16437 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
16438 (EXTRA_CONSTRAINT): Likewise.
16439 * config/vax/vax.md (four unnamed insns): Likewise.
16441 2006-03-15 Paul Brook <paul@codesourcery.com>
16443 * config/arm/arm.c (minipool_pad): New.
16444 (add_minipool_forward_ref): Include pool alignment padding in address
16446 (push_minipool_fix): Set minipool_pad.
16447 (minipool_pad): Ditto.
16449 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16451 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
16452 instead of GET_CODE() == MEM and REG_P() instead of
16454 (print_operand_address): Likewise.
16455 (vax_address_cost): Likewise.
16456 (vax_rtx_costs): Likewise.
16457 (vax_notice_update_cc): Likewise.
16458 (vax_output_int_add): Likewise.
16459 (INDEX_REGISTER_P): Likewise.
16460 (BASE_REGISTER_P): Likewise.
16461 (nonindexed_address_p): Likewise.
16462 (vax_mode_dependent_address_p): Likewise.
16463 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
16464 (PRINT_OPERAND): Likewise.
16465 * config/vax/vax.md (ashlsi3): Likewise.
16466 (ashlsi3): Likewise.
16467 (some more unnamed insns): Likewise.
16469 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
16471 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
16472 iterator-style macro.
16473 (mark_control_dependent_edges_necessary): Update the use of
16474 EXECUTE_IF_CONTROL_DEPENDENT.
16476 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
16478 * config/sh/predicates.md (cache_address_operand): Special.
16479 (ua_address_operand): Likewise.
16481 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
16483 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
16485 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
16487 2006-03-15 Andreas Schwab <schwab@suse.de>
16489 * gensupport.c (identify_predicable_attribute): Don't free p_false
16490 when it is still in use.
16492 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
16494 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
16495 the default setting here.
16497 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
16499 * tree-pass.h (pass_cfg): Remove.
16500 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
16501 * passes.c (pass_cfg): Don't run it.
16503 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
16505 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
16506 * reg-stack.c (stack_regs_mentioned_data): Change the type to
16508 (stack_regs_mentioned): Update the uses of
16509 stack_regs_mentioned_data. Don't access the array beyond its
16511 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
16512 Don't include gt-reg-stack.h.
16514 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
16515 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
16517 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
16519 PR middle-end/26684
16520 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
16523 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16525 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
16527 2006-03-14 Richard Guenther <rguenther@suse.de>
16529 PR tree-optimization/26672
16530 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
16533 2006-03-14 Richard Guenther <rguenther@suse.de>
16535 PR tree-optimization/26667
16536 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
16537 node for the callees. Always allow inlining if it will shrink
16540 2006-03-14 Richard Guenther <rguenther@suse.de>
16542 PR middle-end/26659
16543 * builtins.c (get_pointer_alignment): Prefer alignment
16544 information from decls over that from types.
16546 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
16549 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
16551 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
16553 * config/rs6000/rs6000.opt (mdlmzb): New option.
16554 (msched-prolog, msched-epilog): Use Var not Mask.
16555 * doc/invoke.texi (-mdlmzb): Document.
16556 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16558 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
16559 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
16561 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
16563 PR rtl-optimization/25739
16564 * bt-load.c (augment_live_range): Free tos pointer.
16566 * gensupport.c (identify_predicable_attribute): Free
16568 * gcov.c (create_file_names): Free name pointer.
16570 2006-03-13 Roger Sayle <roger@eyesopen.com>
16572 PR middle-end/26557
16573 * stmt.c (emit_case_nodes): Handle the case where the index is a
16574 CONST_INT, where the comparison mode is specified by the index type.
16576 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16578 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
16581 2006-03-13 Richard Sandiford <richard@codesourcery.com>
16583 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
16584 (*branch_fp_inverted): Likewise.
16586 2006-03-13 Jakub Jelinek <jakub@redhat.com>
16588 PR middle-end/25989
16589 * omp-low.c (expand_omp_for_generic): Mark istart0
16590 and iend0 as addressable.
16592 2006-03-13 Jie Zhang <jie.zhang@analog.com>
16594 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16596 2006-03-13 Jeff Law <law@redhat.com>
16598 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16599 virtual operands are interesting.
16600 (vrp_visit_stmt): Corresponding changes.
16602 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
16604 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16606 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16607 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16608 * config/bfin/crti.S: Use it instead of __PIC__.
16609 * config/bfin/crtn.S: Likewise.
16611 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16612 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16614 Lose 'G' modifier for call operand.
16615 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
16616 recognize 'G' modifier.
16618 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
16620 PR middle-end/18859
16621 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
16622 * stmt.c (expand_case): Likewise.
16624 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16626 PR rtl-optimization/26254
16627 * loop-invariant.c (seq_insns_valid_p): New function.
16628 (move_invariant_reg): Only emit new code if it is valid.
16630 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16632 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16634 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16635 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16636 (commit_one_edge_insertion): Do not look for loop notes.
16638 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16640 * jump.c (follow_jumps): Do not check for loop notes. Move check for
16641 flag_test_coverage out of loop.
16643 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16645 * final.c (shorten_branches): Remove outdated comment, and turn
16646 the if branch that guards it to continue.
16648 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16650 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16651 * cfgloop.h (struct loop): Remove unused fields.
16653 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
16655 * doc/invoke.texi (-fdump-rtl-loop): Remove.
16656 (-dL, -fdump-rtl-loop2): Update the dump file names
16658 * doc/invoke.texi: Update dump file names.
16660 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
16662 * predict.c (estimate_probability): Remove.
16663 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16664 * basic-block.h (estimate_probability): Remove prototype.
16665 * passes.c (finish_optimization_passes): Dump branch prediction or
16666 profiling heuristics to the .profile tree dump.
16667 (init_optimization_passes): Unqueue pass_branch_prob.
16669 * doc/invoke.texi (-fdump-rtl-bp): Remove.
16671 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16673 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16674 * rtl.h (LABEL_NEXTREF): Remove field accessor.
16676 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
16678 * function.h (frame_offset_overflow): Declare.
16679 * function.c (frame_offset_overflow): New function.
16680 (assign_stack_local_1): Call it to detect that the offset overflows.
16681 * cfgexpand.c (alloc_stack_frame_space): Likewise.
16683 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16685 * config/sh/sh.c: Include alloc-pool.h.
16686 (label_ref_list_pool): New alloc pool.
16687 (label_ref_list_t): New type for lists of labels.
16688 (struct pool_node): Make wend a label_ref_list_t.
16689 (add_constant): Use the new type, eradicate LABEL_NEXTREF
16691 (dump_table): Likewise.
16692 (sh_reorg): Set up the alloc pool before using add_constant and
16693 dump_table, and destroy it when finishing.
16695 2006-03-11 Richard Sandiford <richard@codesourcery.com>
16697 * config/mips/mips.c: Remove redundant comment.
16699 2006-03-10 Jason Merrill <jason@redhat.com>
16702 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16703 the target was declared 'register'.
16705 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
16707 * genpreds.c (write_insn_constraint_len): Change definition of
16708 insn_constraint_len to return size_t to match the declaration.
16710 2006-03-10 DJ Delorie <dj@redhat.com>
16712 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16714 (m32c_expand_insv): Fix test for an AND mask.
16716 2006-03-10 Richard Guenther <rguenther@suse.de>
16718 PR middle-end/26565
16719 * builtins.c (get_pointer_alignment): Handle component
16720 references for field alignment.
16722 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16724 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16725 when building with libgloss.
16726 (sh*elf): Implement --without-fp option.
16727 (sh64-superh-linux*): Don't multilib.
16729 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16731 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16733 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16735 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16736 Set it when one of the replacement functions returned true.
16737 Return TODO_cleanup_cfg if cfgchanged is true.
16738 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16740 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16742 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16743 instead of gen_lowpart.
16745 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16747 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16749 (mips_output_order_conditional_branch): Declare.
16750 * config/mips/mips.h (MIPS_BRANCH): New macro.
16751 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16752 for the comparison. Use gen_condjump.
16753 (mips_output_conditional_branch): Rework interface to take the
16754 asm templates for a direct branch and the inverse of a direct branch.
16755 (mips_output_order_conditional_branch): New function.
16756 (mips_builtin_branch_and_move): New function.
16757 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16758 branch condition. Use gen_single_cc as the condition for
16759 __builtin_mips_upper_* or __builtin_mips_lower_*.
16760 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16761 Use VOIDmode for the branch condition.
16762 * config/mips/predicates.md (order_operator): New predicate.
16763 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16764 (branch_fp): Rename to...
16765 (*branch_fp): ...this. Remove mode from comparison operator.
16766 Use new mips_output_conditional_branch interface.
16767 (branch_fp_inverted): Rename to...
16768 (*branch_fp_inverted): ...this and update as for *branch_fp.
16769 (*branch_zero<mode>): Rename to...
16770 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16771 Use mips_output_order_conditional_branch. Only accept ordered
16773 (*branch_zero<mode>_inverted): Rename to...
16774 (*branch_order<mode>_inverted): ...this and update as for
16775 *branch_order<mode>.
16776 (*branch_equality<mode>): Accept zero as the second operand to
16777 the equality operator. Use the new mips_output_conditional_branch
16779 (*branch_equality<mode>_inverted): Likewise.
16780 (condjump): New expander.
16781 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16783 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16784 (bc1any2t, bc1any2f): Likewise.
16785 (single_cc): New expander.
16786 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16788 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16790 * doc/md.texi: Update documentation of MIPS constraints.
16791 * config/mips/constraints.md: New file.
16792 * config/mips/mips.md: Include it.
16793 * config/mips/mips.c (mips_char_to_class): Delete.
16794 (override_options): Don't initialize mips_char_to_class.
16795 * config/mips/mips.h (mips_char_to_class): Delete.
16796 (REG_CLASS_FROM_LETTER): Delete.
16797 (CONST_OK_FOR_LETTER_P): Delete.
16798 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16799 (EXTRA_CONSTRAINT_Y): Delete.
16800 (EXTRA_CONSTRAINT_STR): Delete.
16801 (CONSTRAINT_LEN): Delete.
16802 (EXTRA_MEMORY_CONSTRAINT): Delete.
16804 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16806 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16807 original fn's eh regions.
16809 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16811 * fold-const.c (build_range_check): Make sure to use a valid type to
16812 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16815 (range_predecessor): New static function.
16816 (range_successor): Likewise.
16817 (merge_ranges): Use them to compute predecessors and successors of
16820 2006-03-09 Roger Sayle <roger@eyesopen.com>
16822 PR middle-end/26561
16823 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16824 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16826 2006-03-08 DJ Delorie <dj@redhat.com>
16828 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16829 (addpsi3): Expand to include memory operands. Remove
16830 reload-specific splits.
16831 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16832 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16833 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16834 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16835 (shift1_qi, shift1_hi, insv): New.
16836 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16837 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16838 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16840 * config/m32c/m32c-protos.h: Update as needed.
16841 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16842 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16843 Fail for unrecognized R* constraints.
16844 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16845 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16846 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16848 (m32c_init_libfuncs): New.
16849 (m32c_legitimate_address_p): Add debug wrapper.
16850 (m32c_rtx_costs): New.
16851 (m32c_address_cost): New.
16852 (conversions): Add 'B' prefix.
16853 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16854 operands, or word regnames for QI operands. 'B' prints bit
16856 (m32c_expand_setmemhi): New.
16857 (m32c_expand_movmemhi): New.
16858 (m32c_expand_movstr): New.
16859 (m32c_expand_cmpstr): New.
16860 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16861 (m32c_expand_neg_mulpsi3): Handle non-ints.
16862 (m32c_cmp_flg_0): New.
16863 (m32c_expand_movcc): New.
16864 (m32c_expand_insv): New.
16865 (m32c_scc_pattern): New.
16866 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16867 a0/a1 out of SIregs.
16868 (STORE_FLAG_VALUE): New.
16869 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
16872 * config/m32c/mov.md: Make constraints more liberal.
16873 (zero_extendqihi2): Optimize r0/r1 case.
16874 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16875 * config/m32c/predicates.md (m32c_any_operand): New.
16876 (m32c_nonimmediate_operand): New.
16877 (m32c_hl_operand): New.
16878 (m32c_r3_operand): New.
16881 (memsym_operand): New.
16882 (memimmed_operand): New.
16883 (a_qi_operand): New.
16884 (m32c_eqne_operator): New.
16885 (m32c_1bit8_operand): New.
16886 (m32c_1bit16_operand): New.
16887 (m32c_1mask8_operand): New.
16888 (m32c_1mask16_operand): New.
16889 * config/m32c/blkmov.md: New file.
16890 * config/m32c/t-m32c (MD_FILES): Add blkmov.
16892 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
16894 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16895 unsigned to fix signed/unsigned comparison issue in
16896 DWARF2_FRAME_REG_OUT.
16897 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16898 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16900 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16901 of ptr into the ENABLE_CHECKING section.
16903 2006-03-08 Jeff Law <law@redhat.com>
16905 * tree-vrp.c (infer_value_range): Only count pointer uses
16906 and dereferences if -fdelete-null-pointer-checks is enabled.
16908 * tree-vrp.c (find_assert_locations): Infer value ranges for
16909 single use pointers, but do not create ASSERT_EXPRs for them.
16910 When a non-null range is inferred for a pointer, backwards
16911 propagate that range to other equivalent pointers through the
16914 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
16917 * Makefile.in (dvi, html, install-info): Invoke the corresponding
16918 language hook targets.
16919 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16920 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16921 if language hook targets were missing.
16923 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
16925 * tree-ssa-opfinalize.h: Removed.
16926 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16928 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16929 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16930 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16931 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16932 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16933 finalize_ssa_v_must_def_ops): New.
16935 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16937 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16938 block as parameter.
16940 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16942 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16944 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16945 addresses with offsets; reorganize.
16947 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16948 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16949 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16951 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16954 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16956 2006-03-08 Ben Elliston <bje@au.ibm.com>
16958 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16960 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16963 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16966 2006-03-07 Richard Guenther <rguenther@suse.de>
16968 PR tree-optimization/26587
16969 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16971 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16973 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16975 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16977 * hooks.c (hook_bool_mode_rtx_true): New function.
16978 * hooks.h (hook_bool_mode_rtx_true): Declare.
16979 * toplev.c (compile_file): Call output_shared_constant_pool.
16980 * varasm.c (shared_constant_pool): New variable.
16981 (assemble_start_function, assemble_end_function): Remove arguments
16982 from call to output_constant_pool.
16983 (create_constant_pool): New function, split out from...
16984 (init_varasm_status): ...here.
16985 (force_const_mem): Choose between the shared and per-function constant
16986 pools. Set current_function_uses_const_pool when reusing old entries
16987 as well as when creating new ones.
16988 (mark_constant): Ignore data argument.
16989 (mark_constants): Remove pool argument.
16990 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16991 to decide whether the function uses a constant pool.
16992 (output_constant_pool_contents): New function, split out from...
16993 (output_constant_pool): ...here.
16994 (output_shared_constant_pool): New function.
16995 (init_varasm_once): Initialize shared_constant_pool.
16996 * output.h (output_constant_pool): Delete.
16997 (output_shared_constant_pool): Declare.
16998 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16999 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
17001 2006-03-06 Nick Clifton <nickc@redhat.com>
17003 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
17004 flag_strength_reduce.
17006 2006-03-06 Ben Elliston <bje@au.ibm.com>
17008 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
17009 x86_64-*-linux* configurations.
17011 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
17012 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
17014 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
17016 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
17018 * basic-block.h: Remove the extern for
17019 rediscover_loops_after_threading.
17021 * cfgloop.c (cancel_loop): Make it static.
17022 * cfgloop.h: Remove the prototype for cancel_loop.
17024 * flow.c (recompute_reg_usage): Make it static.
17025 * rtl.h: Remove the prototype for recompute_reg_usage.
17027 * function.c (use_return_register): Make it static.
17028 * function.h: Remove the prototype.
17030 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
17032 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
17034 * recog.h: Remove the prototype for
17035 validate_change_maybe_volatile.
17037 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
17039 * rtlanal.c (replace_reg): Remove.
17040 * rtl.h: Remove the prototype for replace_reg.
17042 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
17044 * regclass.c (reg_scan_update): Remove.
17045 (reg_scan_mark_refs): Remove the last argument.
17046 * rtl.h: Remove the prototype for reg_scan_update.
17048 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
17050 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
17051 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
17052 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
17053 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
17054 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
17055 loop-invariant.c, omp-low.c, opts.c, passes.c,
17056 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
17057 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
17058 tree-ssa-structalias.c, tree-ssa-threadedge.c,
17059 tree-ssa-threadupdate.c, tree-vect-patterns.c,
17060 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
17061 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
17063 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
17065 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
17066 * dwarf2out.h: Remove the prototype for
17067 dwarf2out_add_library_unit_info.
17069 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
17071 * tree.c (add_var_to_bind_expr): Remove.
17072 * tree.h: Remove the prototype for add_var_to_bind_expr.
17074 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
17076 * regclass.c (n_non_fixed_regs): Remove.
17077 (init_reg_sets_1, globalize_reg): Remove all uses of
17079 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
17081 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
17083 * rtlanal.c (insns_safe_to_move_p): Remove.
17084 * rtl.h: Remove the prototype for insns_safe_to_move_p.
17086 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
17088 * expmed.c (expand_mult_add): Remove.
17089 * expr.h: Remove the prototype for expand_mult_add.
17091 2006-03-04 Jakub Jelinek <jakub@redhat.com>
17093 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
17094 and REG_SAVED_VAL_EXP constants.
17095 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
17096 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
17097 Handle regs stored by value.
17098 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
17099 (execute_cfa_program): Handle DW_CFA_val_offset,
17100 DW_CFA_val_offset_sf and DW_CFA_val_expression.
17101 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
17102 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
17103 (uw_install_context_1): Handle target regs stored by value.
17105 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
17107 * tree-sra.c (tree_sra): Return todoflags;
17108 (generate_one_element): Set TODO_update_smt_usage if needed.
17109 (pass_sra): Remove TODO_update_smt_usage.
17110 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
17112 (tree_ssa_forward_propagate_single_use_vars): Return
17113 TODO_update_smt_usage if we need to update SMT usage.
17114 (pass_forwprop): Remove TODO_update_smt_usage.
17116 2006-03-03 Diego Novillo <dnovillo@redhat.com>
17118 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
17119 (correct_use_link): Remove reference to get_stmt_operands.
17120 (update_stmt_operands): Likewise.
17121 (get_modify_expr_operands): New function factored out of
17122 parse_ssa_operands and get_expr_operands.
17123 Try to create V_MUST_DEFs for LHS by default.
17124 (get_expr_operands) <case MODIFY_EXPR>: Call
17125 get_modify_expr_operands.
17126 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
17127 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
17128 (parse_ssa_operands) <case MODIFY_EXPR>: Call
17129 get_modify_expr_operands.
17131 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
17133 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
17134 * tree-flow.h: Remove the prototype for
17135 referenced_var_lookup_if_exists.
17137 2006-03-03 Steve Ellcey <sje@cup.hp.com>
17139 PR rtl-optimization/26345
17141 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
17143 2006-03-03 Roger Sayle <roger@eyesopen.com>
17145 PR tree-optimization/26524
17146 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
17147 fold_convert to create a constant of the appropriate type.
17149 2006-03-03 Richard Sandiford <richard@codesourcery.com>
17151 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17152 SYMBOL_REF_IN_BLOCK_P.
17153 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
17154 of SYMBOL_FLAG_IN_BLOCK.
17155 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
17156 instead of SYMBOL_REF_IN_BLOCK_P.
17157 * explow.c (use_anchored_address): Likewise.
17158 * rtl.c (rtx_size): Likewise.
17159 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
17160 instead of SYMBOL_FLAG_IN_BLOCK.
17161 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17162 SYMBOL_REF_IN_BLOCK_P.
17163 (assemble_variable): Likewise.
17164 (output_constant_def_contents): Likewise.
17165 (output_constant_pool): Likewise.
17166 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
17167 instead of SYMBOL_FLAG_IN_BLOCK.
17168 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17169 SYMBOL_REF_IN_BLOCK_P.
17170 (SYMBOL_REF_BLOCK): Likewise.
17171 (SYMBOL_REF_OFFSET): Likewise.
17172 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17173 SYMBOL_REF_IN_BLOCK_P.
17174 (SYMBOL_FLAG_IN_BLOCK): Replace with...
17175 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
17176 (SYMBOL_REF_IN_BLOCK_P): Replace with...
17177 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
17179 2006-03-03 Jakub Jelinek <jakub@redhat.com>
17181 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
17183 2006-03-02 Roger Sayle <roger@eyesopen.com>
17185 * simplify-rtx.c (simplify_unary_operation): When simplifying
17186 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
17187 that we perform the right shift in the appropriate mode, and
17188 then extend or truncate the result to requested mode.
17190 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
17192 * gengtype.c (main): Handle double_int type.
17193 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
17194 * double-int.c: New file.
17195 * double-int.h: New file.
17196 * system.h: Include doubleint.h.
17197 * Makefile.in (SYSTEM_H): Include double-int.h.
17198 (double-int.o): Add.
17200 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
17203 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
17206 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17208 * tree-vrp.c (remove_range_assertions): Do not update statements
17211 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17213 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
17215 * gcse.c (rest_of_handle_gcse): Ditto.
17216 * except.c (gate_handle_eh): Ditto.
17217 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
17218 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
17220 2006-03-02 Eric Christopher <echristo@apple.com>
17222 * config/i386/i386.c (machopic_output_stub): Add indirection to
17225 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17229 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
17231 Sun Niagara specific optimizations.
17232 * config.gcc: Recognize niagara as target.
17233 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
17234 (TARGET_CPU_niagara): Define.
17235 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
17236 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
17237 (CPP_CPU_SPEC): Handle -mcpu=niagara.
17238 (ASM_CPU_SPEC): Likewise.
17239 (PROCESSOR_NIAGARA): New enum entry.
17240 (REGISTER_MOVE_COST): Handle Niagara.
17241 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
17242 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
17243 (sparc_override_options): Recognize "niagara", set appropriate
17244 default MASK_* values for it, and align functions to 32-bytes
17245 by default just like ULTRASPARC/ULTRASPARC3.
17246 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
17247 (sparc64_initialize_trampoline): Likewise.
17248 (sparc_use_sched_lookahead): Use zero for niagara.
17249 (sparc_issue_rate): Use one for niagara.
17250 * config/sparc/niagara.md: New file.
17251 * config/sparc/sparc.md: Include it.
17252 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
17253 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
17254 when default cpu is niagara.
17255 (CPP_CPU_SPEC): Handle -mcpu=niagara.
17256 (ASM_CPU_SPEC): Likewise.
17257 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
17258 when default cpu is niagara.
17259 (ASM_CPU_SPEC): Handle -mcpu=niagara.
17260 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
17261 just like v9/ultrasparc/ultrasparc3.
17262 * doc/invoke.texi: Add documentation for "niagara" and improve
17263 existing documentation for ultrasparc variants.
17265 2006-03-02 Diego Novillo <dnovillo@redhat.com>
17267 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
17269 2006-03-02 Richard Sandiford <richard@codesourcery.com>
17271 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
17272 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
17273 and say that only one is needed.
17274 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
17275 * target.h (have_switchable_bss_sections): New hook.
17276 * explow.c (use_anchored_address): Check that the symbol is in a block.
17277 * varasm.c (tls_comm_section, comm_section, lcomm_section)
17278 (bss_noswitch_section): New variables.
17279 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
17280 (get_noswitch_section): New function.
17281 (get_block_for_section): Allow SECT to be null.
17282 (unlikely_text_section_p): Use SECTION_STYLE.
17283 (bss_initializer_p): New function.
17284 (get_variable_section): Move earlier in file. Take a new argument,
17285 prefer_noswitch_p. Move bss checks from assemble_variable to here.
17286 Return one of the new *_sections in such cases.
17287 (get_block_for_decl): New function, extracting some logic from
17288 use_blocks_for_decl_p.
17289 (change_symbol_section): Remove in favor of...
17290 (change_symbol_block): ...this new function.
17291 (use_blocks_for_decl_p): Remove checks now performed by
17292 get_block_for_decl.
17293 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
17294 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
17295 (emit_local, emit_bss, emit_common): ...these new functions.
17296 Return true if the alignment was honored.
17297 (emit_tls_common): New function.
17298 (asm_emit_uninitialised): Delete.
17299 (assemble_variable_noswitch): New function, split out from...
17300 (assemble_variable): ...here. Don't make decisions about common
17301 variables here. Globalize all public decls that go into non-common
17302 sections. Check whether SYMBOL_REF_BLOCK is null.
17303 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
17304 (output_constant_pool): Likewise.
17305 (init_varasm_once): Initialize the new section variables.
17306 (have_global_bss_p): New function.
17307 (categorize_decl_for_section): Use bss_initializer_p.
17308 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
17309 (place_block_symbol): Assert that the symbol must be in a block.
17310 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
17311 (TARGET_INITIALIZER): Include it.
17312 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
17313 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
17314 (SECTION_MACH_DEP): Bump by two.
17315 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
17316 (unnamed_section): Mention SECTION_UNNAMED in comment.
17317 (named_section): Likewise SECTION_NAMED.
17318 (noswitch_section_callback): New type.
17319 (noswitch_section): New structure.
17320 (section): Add a noswitch_section alternative.
17321 (SECTION_STYLE): New macro.
17322 (tls_comm_section, comm_section, lcomm_section): Declare.
17323 (bss_noswitch_section, have_global_bss_p): Declare.
17324 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17325 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17327 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17328 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17331 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
17333 * tree-vrp.c (execute_vrp): Return value.
17334 * regrename.c (rest_of_handle_regrename): Ditto.
17335 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
17336 * tree-complex.c (tree_lower_complex): Ditto.
17337 (tree_lower_complex_O0): Ditto.
17338 * tracer.c (rest_of_handle_tracer): Ditto.
17339 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
17340 * postreload.c (rest_of_handle_postreload): Ditto.
17341 * tree-tailcall.c (execute_tail_recursion): Ditto.
17342 (execute_tail_calls): Ditto.
17343 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17344 * tree.h (init_function_for_compilation): Ditto.
17345 * ipa-cp.c (ipcp_driver): Ditto.
17346 * tree-scalar-evolution.c (scev_const_prop): Ditto.
17347 * tree-scalar-evolution.h (scev_const_prop): Ditto.
17348 * final.c (compute_alignments): Ditto.
17349 (rest_of_handle_final): Ditto.
17350 (rest_of_handle_shorten_branches): Ditto.
17351 (rest_of_clean_state): Ditto.
17352 * omp-low.c (execute_expand_omp): Ditto.
17353 (execute_lower_omp): Ditto.
17354 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
17355 * ipa-reference.c (static_execute): Ditto.
17356 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
17357 * reorg.c (rest_of_handle_delay_slots): Ditto.
17358 (rest_of_handle_machine_reorg): Ditto.
17359 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
17360 * flow.c (recompute_reg_usage): Ditto.
17361 (rest_of_handle_remove_death_notes): Ditto.
17362 (rest_of_handle_life): Ditto.
17363 (rest_of_handle_flow2): Ditto.
17364 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
17365 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
17366 (do_ssa_store_ccp): Ditto.
17367 (execute_fold_all_builtins): Ditto.
17368 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
17369 * modulo-sched.c (rest_of_handle_sms): Ditto.
17370 * ipa-pure-const.c (static_execute): Ditto.
17371 * cse.c (rest_of_handle_cse): Ditto.
17372 (rest_of_handle_cse2): Ditto.
17373 * web.c (rest_of_handle_web): Ditto.
17374 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
17375 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
17376 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
17377 * tree-nrv.c (tree_nrv): Ditto.
17378 (execute_return_slot_opt): Ditto.
17379 * tree-ssa-alias.c (compute_may_aliases): Ditto.
17380 (create_structure_vars): Ditto.
17381 * loop-init.c (rtl_loop_init): Ditto.
17382 (rtl_loop_done): Ditto.
17383 (rtl_move_loop_invariants): Ditto.
17384 (rtl_unswitch): Ditto.
17385 (rtl_unroll_and_peel_loops): Ditto.
17386 (rtl_doloop): Ditto.
17387 * gimple-low.c (lower_function_body): Ditto.
17388 (mark_used_blocks): Ditto.
17389 * tree-ssa-sink.c (execute_sink_code): Ditto.
17390 * ipa-inline.c (cgraph_decide_inlining): Ditto.
17391 (cgraph_early_inlining): Ditto.
17392 * global.c (rest_of_handle_global_alloc): Ditto.
17393 * jump.c (cleanup_barriers): Ditto.
17394 (purge_line_number_notes): Ditto.
17395 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
17396 (rest_of_handle_if_after_reload): Ditto.
17397 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
17398 (tree_ssa_loop_im): Ditto.
17399 (tree_ssa_loop_unswitch): Ditto.
17400 (tree_vectorize): Ditto.
17401 (tree_linear_transform): Ditto.
17402 (tree_ssa_loop_ivcanon): Ditto.
17403 (tree_ssa_empty_loop): Ditto.
17404 (tree_ssa_loop_bounds): Ditto.
17405 (tree_complete_unroll): Ditto.
17406 (tree_ssa_loop_prefetch): Ditto.
17407 (tree_ssa_loop_ivopts): Ditto.
17408 (tree_ssa_loop_done): Ditto.
17409 * predict.c (tree_estimate_probability): Ditto.
17410 * recog.c (split_all_insns_noflow): Ditto.
17411 (rest_of_handle_peephole2): Ditto.
17412 (rest_of_handle_split_all_insns): Ditto.
17413 * tree-eh.c (lower_eh_constructs): Ditto.
17414 * regmove.c (rest_of_handle_regmove): Ditto.
17415 (rest_of_handle_stack_adjustments): Ditto.
17416 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
17417 * function.c (instantiate_virtual_regs): Ditto.
17418 (init_function_for_compilation): Ditto.
17419 (rest_of_handle_check_leaf_regs): Ditto.
17420 * gcse.c (rest_of_handle_jump_bypass): Ditto.
17421 (rest_of_handle_gcse): Ditto.
17422 * ipa-type-escape.c (type_escape_execute): Ditto.
17423 * alias.c (rest_of_handle_cfg): Ditto.
17424 * tree-if-conv.c (main_tree_if_conversion): Ditto.
17425 * profile.c (rest_of_handle_branch_prob): Ditto.
17426 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
17427 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
17428 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
17429 * tree-dfa.c (find_referenced_vars): Ditto.
17430 * except.c (set_nothrow_function_flags): Ditto.
17431 (convert_to_eh_region_ranges): Ditto.
17432 (rest_of_handle_eh): Ditto.
17433 * emit-rtl.c (unshare_all_rtl): Ditto.
17434 (remove_unnecessary_notes): Ditto.
17435 * except.h (set_nothrow_function_flags): Ditto.
17436 (convert_to_eh_region_ranges): Ditto.
17437 * cfgexpand.c (tree_expand_cfg): Ditto.
17438 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
17439 * tree-ssa-pre.c (do_pre): Ditto.
17440 (execute_fre): Ditto.
17441 * cfgcleanup.c (rest_of_handle_jump): Ditto.
17442 (rest_of_handle_jump2): Ditto.
17443 * tree-sra.c (tree_sra): Ditto.
17444 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
17445 (execute_mudflap_function_decls): Ditto.
17446 * tree-ssa-copy.c (do_copy_prop): Ditto.
17447 (do_store_copy_prop): Ditto.
17448 * ipa-prop.h (ipcp_driver): Ditto.
17449 * cfglayout.c (insn_locators_initialize): Ditto.
17450 * tree-ssa-forwprop.c
17451 (tree_ssa_forward_propagate_single_use_vars): Ditto.
17452 * cfglayout.h (insn_locators_initialize): Ditto.
17453 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
17454 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
17455 (execute_late_warn_uninitialized): Ditto.
17456 * rtl.h (cleanup_barriers): Ditto.
17457 (split_all_insns_noflow): Ditto.
17458 (purge_line_number_notes): Ditto.
17459 (unshare_all_rtl): Ditto.
17460 (remove_unnecessary_notes): Ditto.
17461 (recompute_reg_usage): Ditto.
17462 (variable_tracking_main): Ditto.
17463 * integrate.c (emit_initial_value_sets): Ditto.
17464 * integrate.h (emit_initial_value_sets): Ditto.
17465 * tree-optimize.c (execute_free_datastructures): Ditto
17466 (execute_free_cfg_annotations): Ditto.
17467 (execute_fixup_cfg): Ditto.
17468 (execute_cleanup_cfg_pre_ipa): Ditto.
17469 (execute_cleanup_cfg_post_optimizing): Ditto.
17470 (execute_init_datastructures): Ditto.
17471 * tree-object-size.c (compute_object_sizes): Ditto.
17472 * combine.c (rest_of_handle_combine): Ditto.
17473 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
17474 * bb-reorder.c (duplicate_computed_gotos): Ditto.
17475 (rest_of_handle_reorder_blocks): Ditto.
17476 (rest_of_handle_partition_blocks): Ditto.
17477 * var-tracking.c (variable_tracking_main): Ditto.
17478 * tree-profile.c (tree_profiling): Ditto.
17479 * tree-vect-generic.c (expand_vector_operations): Ditto.
17480 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
17481 * sched-rgn.c (rest_of_handle_sched): Ditto.
17482 (rest_of_handle_sched2): Ditto.
17483 * basic-block.h (free_bb_insn): Ditto.
17484 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
17485 * tree-cfg.c (execute_build_cfg): Ditto.
17486 (remove_useless_stmts): Ditto.
17487 (split_critical_edges): Ditto.
17488 (execute_warn_function_return): Ditto.
17489 (execute_warn_function_noreturn): Ditto.
17490 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
17491 * cfgrtl.c (free_bb_for_insn): Ditto.
17492 * passes.c (execute_one_pass): Run additional
17493 todos returned by execute function.
17494 * tree-pass.h (struct tree_opt_pass): Make execute
17497 2006-03-02 Richard Guenther <rguenther@suse.de>
17499 * tree-ssa-alias.c (find_used_portions): Consider taking
17500 the address as making the variable not write-only.
17502 2006-03-02 Nick Clifton <nickc@redhat.com>
17504 * config.gcc (default_use_cxa_atexit): Extend the description of
17505 this configure variable. Set its default value to "yes" for
17506 Linux, NetBSD and ELF targets on the assumption that they will
17507 use C libraries with the __cxa_atexit function.
17509 2006-03-02 Ben Elliston <bje@au.ibm.com>
17511 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
17512 parameter as unused to suppress a build warning.
17514 2006-03-02 Ben Elliston <bje@au.ibm.com>
17516 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
17519 2006-03-01 Roger Sayle <roger@eyesopen.com>
17522 * gthr-posix.h (__gthrw2): Define to take three parameters, the
17523 declared name, the weak reference name, and the typeof name.
17524 (__gthrw): Avoid expanding the declared name suffix.
17525 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
17527 2006-03-01 Jakub Jelinek <jakub@redhat.com>
17529 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
17531 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
17532 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
17533 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
17534 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
17535 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
17536 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
17537 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
17538 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
17539 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
17540 DW_DS_leading_separate, DW_DS_trailing_separate): New.
17541 (DW_END_default, DW_END_big, DW_END_little): New.
17542 (DW_END_lo_user, DW_END_hi_user): Define.
17543 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
17544 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
17545 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
17548 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17550 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17552 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17554 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17556 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17558 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17559 to 'symbol_mem_tag'.
17561 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17564 2006-03-01 Roger Sayle <roger@eyesopen.com>
17566 * builtins.c (fold_builtin_copysign): Delete unreachable code.
17568 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17571 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
17572 MACHO_DYNAMIC_NO_PIC_P.
17573 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
17575 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17578 * config/darwin-protos.h (darwin_asm_output_anchor):
17580 * config/darwin-sections.def (cstring_section):
17581 Add SECTION_MERGE to the flags.
17582 (literal4_section): Likewise.
17583 (literal8_section): Likewise.
17584 (objc_selector_refs_section): Likewise.
17585 (objc_cls_refs_section): Likewise.
17586 * config/darwin.c (darwin_asm_output_anchor): New
17588 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17590 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
17592 Fix PR tree-optimization/26443
17593 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17594 to todo and PROP_tmt_usage to properties_destroyed.
17595 * tree-ssa-ccp.c (pass_ccp): Ditto.
17596 (pass_store_ccp): Ditto.
17597 * tree-ssa-dom.c (pass_dominator): Ditto.
17599 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17601 * tree-ssa-operands.c: Cleanup whitespace.
17602 (get_asm_expr_operands): Move before first invocation.
17603 (get_indirect_ref_operands): Likewise.
17604 (get_tmr_operands): Likewise.
17605 (get_call_expr_operands): Likewise.
17606 (append_def): Likewise.
17607 (append_use): Likewise.
17608 (append_v_may_def): Likewise.
17609 (append_v_must_def): Likewise.
17610 (add_call_clobber_ops): Likewise.
17611 (add_call_read_ops): Likewise.
17612 (add_stmt_operand): Likewise.
17613 (add_virtual_operand): Likewise.
17614 (build_ssa_operands): Likewise.
17616 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17618 PR middle-end/26022
17620 PR middle-end/24437
17621 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17622 with a call expr to ...
17623 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17625 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17627 * tree-vrp.c (extract_range_from_assert): Remove special
17628 handling for types with super-types.
17630 2006-03-01 Ben Elliston <bje@au.ibm.com>
17632 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17633 and powerpc64-*-linux* configurations.
17634 * config/t-dfprules: New file.
17636 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17637 Compile dfp-bit.c from the source directory using -DWIDTH and
17638 $DFP_CFLAGS to control the compilation of that file, rather than
17639 generating width-specific versions in the build directory.
17640 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17641 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17643 2006-02-28 Zack Weinberg <zackw@panix.com>
17645 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17648 2006-02-28 Eric Christopher <echristo@apple.com>
17650 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17651 Set up IN_LIBGCC definition of TARGET_64BIT.
17652 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17654 2006-02-28 Roger Sayle <roger@eyesopen.com>
17656 PR middle-end/14752
17657 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17658 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
17659 cases via the construction of "expr != 0".
17661 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
17663 * alias.c (alias_invariant, alias_invariant_size): Remove.
17664 (record_base_value): Remove.
17665 (memrefs_conflict_p): Don't look at alias_invariant.
17666 (end_alias_analysis): Don't free it.
17667 * alias.h (record_base_value): Remove prototype.
17669 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
17670 Adam Nemet <anemet@caviumnetworks.com>
17672 * rtl.h (truncated_to_mode): Declare it.
17673 (struct rtl_hooks): Add reg_truncated_to_mode hook.
17674 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17675 (RTL_HOOKS_INITIALIZER): Include it.
17676 * rtlhooks.c (reg_truncated_to_mode_general): New function.
17677 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17678 reg_truncated_to_mode.
17679 * rtlanal.c (truncated_to_mode): Define it.
17680 * simplify-rtx.c (simplify_unary_operation_1): Use it.
17682 2006-02-28 Jeff Law <law@redhat.com>
17684 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17685 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17686 the range allowed by TYPE_PRECISION.
17688 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17690 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
17692 PR tree-optimization/26419
17693 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17696 2006-02-27 Zack Weinberg <zackw@panix.com>
17698 * doc/md.texi: Fix typo in previous change.
17700 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
17704 2006-02-27 Zack Weinberg <zackw@panix.com>
17706 * rtl.def (define_constraint, define_register_constraint)
17707 (define_memory_constraint, define_address_constraint): New MD forms.
17708 * gensupport.c (process_rtx): Put define_constraint etc on the
17710 * genpreds.c (process_define_predicate): Adjust comment. Validate
17711 the name, and call validate_exp to validate the expression.
17712 (mark_mode_tests, write_extract_subexp): Can assume correct input.
17713 (write_predicate_expr): Likewise. NAME argument no longer necessary;
17714 all callers changed.
17715 (validate_exp, needs_variable, struct constraint_data)
17716 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17717 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17718 (const_dbl_constraints, constraint_max_namelen)
17719 (have_register_constraints, have_memory_constraints)
17720 (have_address_constraints, have_address_constraints)
17721 (have_extra_constraints, have_const_int_constraints)
17722 (have_const_dbl_constraints, mangle, add_constraint)
17723 (process_define_constraint, process_define_register_constraint)
17724 (write_enum_constraint_num, write_lookup_constraint)
17725 (write_insn_constraint_len, write_regclass_for_constraint)
17726 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17727 (write_insn_extra_memory_constraint)
17728 (write_insn_extra_address_constraint)
17729 (write_satisfies_constraint_fns): New.
17730 (write_tm_preds_h): If we have new-style constraint definitions,
17731 prototype the functions generated from them, and define the
17732 old constraint interface (still used by generic code) in terms of
17734 (write_insn_preds_c): If we have new-style constraint definitions,
17735 generate all relevant functions from those definitions.
17736 (main): Handle define_constraint etc.
17737 * genoutput.c (struct constraint_data, indep_constraints)
17738 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17739 (mdep_constraint_len): New data structures and functions, defined
17740 #ifdef USE_MD_CONSTRAINTS.
17741 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17742 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17743 use new logic to validate operand constraints against constraint
17745 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17747 * defaults.h: If none of the old-style constraint macros are
17748 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17749 old-style macros; and poison REG_CLASS_FROM_LETTER,
17750 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17752 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17753 * doc/md.texi: Document new constraint-definition mechanism and the
17754 C interface it provides. Remove references to old mechanism
17755 elsewhere in the document.
17756 (Machine Constraints): Use pathnames relative to gcc directory,
17757 i.e. config/ARCH/FILE. Change i386 section to refer to
17758 config/i386/predicates.md; update that section to match docstrings.
17759 * doc/tm.texi: Move all documentation of the old constraint-
17760 definition macros to their own section, clearly mark as obsolete.
17762 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17763 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17765 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17766 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17767 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17768 constraint strings.
17769 (splits and peepholes): Use satisfies_constraint_*.
17770 * config/i386/i386.c (memory_address_length)
17771 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17773 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17775 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17776 scalar operation to be put back into the loop.
17778 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17781 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17782 (extract_cie_info): Handle S flag in augmentation string.
17783 (execute_cfa_program): If context->signal_frame, execute also
17784 fs->pc == context->ra instructions.
17785 (uw_frame_state_for): If context->signal_frame, don't subtract one
17786 from context->ra to find FDE.
17787 (uw_update_context_1): Set context->signal_frame to
17789 (_Unwind_GetIPInfo): New function.
17790 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17791 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17793 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17794 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17795 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17796 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17797 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17798 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17799 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17800 x86_64_fallback_frame_state): Set fs->signal_frame.
17801 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17802 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17803 (frob_update_context): Likewise. Workaround missing S flag in
17804 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17805 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17806 Remove the psw_addr + 1 hack.
17808 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17810 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17811 with aggregates here.
17812 (find_func_aliases): Remove code for &<aggregate> from here.
17814 2006-02-26 Roger Sayle <roger@eyesopen.com>
17816 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17817 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17818 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17819 as (X & C) ne/eq 0.
17821 2006-02-26 Roger Sayle <roger@eyesopen.com>
17823 PR middle-end/19983
17824 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17826 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17828 * opts.c (decode_options): Do not handle flag_strength_reduce.
17829 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17830 and OPT_fstrength_reduce.
17831 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17832 flag_prefetch_loop_arrays for being nonzero.
17833 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17835 (fprefetch-loop-arrays-rtl): Removed.
17836 (flag_prefetch_loop_arrays): Do not specify the value.
17838 * doc/passes.texi: Update documentation of loop optimizer
17840 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17841 -frerun-loop-opt): Remove.
17843 2006-02-26 Richard Guenther <rguenther@suse.de>
17845 PR tree-optimization/26421
17846 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17847 in function calls that are ADDR_EXPRs as using the whole structure.
17849 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17851 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17852 * tree-pass.h (pass_loop_optimize): Remove.
17853 * passes.c (pass_loop_optimize): Never run it.
17854 * toplev.c (backend_init): Don't call init_loop.
17855 * opts.c (flag_loop_optimize_set): Remove.
17856 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17857 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17858 the old RTL loop optimizer when profiling enabled.
17859 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17860 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17861 pre-headers for the sake of the old RTL loop optimizer.
17862 * Makefile.in: Remove all references to loop.o.
17864 * doc/invoke.texi: Remove all references to -floop-optimize
17865 and -frerun-loop-opt.
17867 2006-02-26 Zack Weinberg <zackw@panix.com>
17869 * doc/md.texi (Machine Constraints): Refer to all files with paths
17870 relative to gcc directory (i.e. config/CPU/file). Add missing
17871 @table @code ... @end table to M32C subsection.
17873 2006-02-26 Roger Sayle <roger@eyesopen.com>
17875 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17877 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17879 2006-02-26 Roger Sayle <roger@eyesopen.com>
17880 James A. Morrison <phython@gcc.gnu.org>
17882 PR middle-end/21137
17883 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17884 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17885 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17886 signedness of the shift operation.
17888 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
17890 PR tree-optimization/26359
17891 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17893 2006-02-25 Roger Sayle <roger@eyesopen.com>
17895 * simplify-rtx.c (simplify_relational_operation_1): Simplify
17896 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
17897 as X == 0, and some symmetry related transformations.
17898 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
17900 2006-02-25 Roger Sayle <roger@eyesopen.com>
17902 PR middle-end/23673
17903 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17904 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
17905 symmetry related transformations. Fold (X^C1) == C2 as
17908 2006-02-25 Juergen Weigert <jw@suse.de>
17909 Richard Guenther <rguenther@suse.de>
17911 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17913 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
17915 * combine.c (gen_lowpart_or_truncate): Call
17916 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17918 2006-02-24 Diego Novillo <dnovillo@redhat.com>
17920 * doc/invoke.texi: Move -fopenmp description to "Options for
17922 Remove reference to -lgomp.
17924 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17926 * doc/install.texi: Require GNU tar version 1.14.
17928 2006-02-24 Geoffrey Keating <geoffk@apple.com>
17930 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17931 * doc/invoke.texi (C++ Dialect Options): Document
17932 -fno-use-cxa-get-exception-ptr.
17933 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17934 * configure: Regenerate.
17935 * c.opt (fuse-cxa-get-exception-ptr): New.
17936 * c-opts.c (c_common_handle_option): Handle
17937 OPT_fuse_cxa_get_exception_ptr.
17938 * c-common.c (flag_use_cxa_atexit): Update documentation.
17939 (flag_use_cxa_get_exception_ptr): New.
17940 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17941 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17943 (C_COMMON_OVERRIDE_OPTIONS): New.
17945 2006-02-24 Roger Sayle <roger@eyesopen.com>
17947 PR middle-end/24952
17948 * combine.c (try_combine): Explicitly check whether GET_CODE is
17949 a SET or a CLOBBER, instead on checking that it isn't a USE.
17951 2006-02-24 Roger Sayle <roger@eyesopen.com>
17953 * fold-const.c (fold_comparison): New subroutine of fold_binary
17954 containing transformations common to both the equality and
17955 ordering relational operators, factored out of fold_binary.
17956 (fold_binary): Separate out the equality operators (EQ_EXPR
17957 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17958 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17959 transformations common to both.
17960 (fold_div_compare): Fix latent bugs in the previously unreachable
17961 LT_EXPR and GE_EXPR cases.
17963 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17965 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17966 decl libname for clog to __clog on AIX.
17968 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17970 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17973 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17974 output traceback table for thunks. Localise rs6000_stack_info call.
17976 2006-02-23 Roger Sayle <roger@eyesopen.com>
17977 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17979 * gthr-posix.h (__gthrw): Fix typo in comment.
17981 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17983 * doc/cpp.texi (Character sets): Document that we do support
17984 input files to be in any character set.
17986 2006-02-23 Jeff Law <law@redhat.com>
17988 * tree.h (PHI_ARG_NONZERO): Remove.
17989 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17990 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17991 node to the new node.
17993 PR tree-optimization/26425
17994 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17995 min/max, then assume its varying.
17997 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17999 PR rtl-optimization/26316
18000 * rtlanal.c (enum may_trap_p_flags): New.
18001 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
18002 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
18003 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
18004 (may_trap_after_code_motion_p): New function.
18005 * loop-invariant.c (find_identical_invariants): Fix dump formating.
18006 (find_invariant_insn): Use may_trap_after_code_motion_p.
18007 * rtl.h (may_trap_after_code_motion_p): Declare.
18009 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
18011 * emit-rtl.c (immed_double_const): Cleanup.
18013 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
18015 Fix PR tree-optimization/26376
18016 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
18019 2006-02-23 Jakub Jelinek <jakub@redhat.com>
18021 PR middle-end/26412
18022 * gimplify.c (omp_add_variable): Guard variable size decl test with
18023 DECL_SIZE (decl) check.
18025 2006-02-23 Richard Guenther <rguenther@suse.de>
18027 PR middle-end/26439
18028 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
18029 like aggregate types.
18031 2006-02-23 Jakub Jelinek <jakub@redhat.com>
18033 * configure.ac: Add --with{,out}-long-double-128 configure option.
18034 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
18035 * configure: Rebuilt.
18036 * config.in: Rebuilt.
18037 * doc/install.texi (Options specification): Document
18038 --with-long-double-128.
18040 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
18041 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
18042 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
18043 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
18045 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
18047 * config/s390/s390.c (override_options): Handle
18048 TARGET_DEFAULT_LONG_DOUBLE_128.
18050 * config/alpha/alpha.c (override_options): Handle
18051 TARGET_DEFAULT_LONG_DOUBLE_128.
18053 * config/sparc/sparc.c (sparc_override_options): Handle
18054 TARGET_DEFAULT_LONG_DOUBLE_128.
18056 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
18058 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
18059 (real-install-headers-tar, real-install-headers-cpio)
18060 (real-install-headers-cp): New targets.
18062 2006-02-22 Richard Sandiford <richard@codesourcery.com>
18064 * tree.h (variable_section): Delete.
18065 * varasm.c (variable_section): Delete.
18067 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
18069 * install.texi: Add notes on install.texi2html.
18070 (Building in parallel): Do not use footnotes.
18072 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
18075 * doc/install.texi (Configuration): Document --disable-libgomp.
18077 2006-02-21 Geoffrey Keating <geoffk@apple.com>
18079 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
18081 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
18083 * config/i386/sse.md (vec_extractv2df_1_sse): New.
18084 (vec_extractv2df_0_sse): New.
18086 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
18088 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
18089 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
18090 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
18091 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
18092 to the result of the expression.
18093 (def_cfa_1): Adjust.
18094 (frame_pointer_cfa_offset): Rename to...
18095 (frame_pointer_fb_offset): ... this. Adjust all uses.
18096 (convert_cfa_to_loc_list): Rename to...
18097 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
18098 Pass it on to build_cfa_loc.
18099 (compute_frame_pointer_to_cfa_displacement): Rename to...
18100 (compute_frame_pointer_to_fb_displacement): ... this. New
18101 offset parameter. Use it in computation.
18102 (gen_subprogram_die): Compute cfa_fb_offset with the new
18103 macro, and use it to compute the fb loc list and the
18106 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
18108 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
18109 replaced with register_operand.
18110 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
18111 non-DREG is expensive.
18112 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
18113 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
18116 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
18118 * doc/install.texi2html: Use set -e.
18120 2006-02-21 Richard Sandiford <richard@codesourcery.com>
18122 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
18123 (ASM_OUTPUT_SHARED_LOCAL): Delete.
18124 * doc/invoke.texi (-fshared-data): Delete.
18125 * common.opt (fshared-data): Delete.
18126 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
18127 (assemble_static_space): Remove #if 0 code.
18128 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
18129 (ASM_OUTPUT_SHARED_LOCAL): Poison.
18130 * config/cris/cris.h: Remove FIXME.
18132 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
18134 * doc/sourcebuild.texi (Front End Directory): No more double-colon
18137 2006-02-21 Jakub Jelinek <jakub@redhat.com>
18139 PR middle-end/26379
18140 * combine.c (simplify_shift_const_1): Disable nested shifts
18141 optimization for vector shifts.
18143 2006-02-20 Roger Sayle <roger@eyesopen.com>
18145 PR tree-optimization/26361
18146 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
18147 of unsigned integer types.
18149 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
18151 * tree-chrec.c (eq_evolutions_p): New.
18152 * tree-chrec.h (eq_evolutions_p): Declared.
18153 * tree-data-ref.c: Fix formatting.
18154 (datadep_stats, dependence_stats): New.
18156 (print_direction_vector): New.
18157 (dump_data_dependence_relation): Use print_direction_vector.
18158 (object_analysis, create_data_ref): Handle COMPONENT_REF.
18159 (compute_subscript_distance): Static.
18160 (initialize_data_dependence_relation): Static. Get the number
18161 of loops surrounding the references from the callers, and initialize
18162 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
18163 base_object_differ_p analyzers.
18164 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
18165 compute_overlap_steps_for_affine_1_2,
18166 analyze_subscript_affine_affine): Count the classified dependences.
18167 Print a message when a test failed.
18168 (can_use_analyze_subscript_affine_affine): New.
18169 (analyze_siv_subscript): Compute the data dependences on symbolic
18170 scevs that verify can_use_analyze_subscript_affine_affine.
18171 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
18172 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
18173 Handle symbolic scevs.
18174 (analyze_overlapping_iterations): Let symbolic affine scevs to be
18176 (subscript_dependence_tester): Moved...
18177 (build_classic_dist_vector, build_classic_dir_vector): Don't use
18178 lambda_vector_clear on newly allocated vectors. Get nb_loops from
18179 DDR_SIZE_VECT instead of getting it in parameter.
18180 (subscript_dependence_tester): ... here. Take as a parameter
18181 loop_nest_depth. Call build_classic_dist_vector and
18182 build_classic_dir_vector.
18183 (compute_affine_dependence): Update subscript_dependence_tester
18184 parameters. Update datadep_stats counters. Call
18185 compute_subscript_distance.
18186 (compute_self_dependence): Save the dist and dir vectors. Call
18187 compute_subscript_distance.
18188 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
18189 (compute_all_dependences): Reorder parameters as they were before
18190 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
18191 compute_subscript_distance. Update the use of
18192 compute_affine_dependence and initialize_data_dependence_relation.
18193 (find_data_references_in_loop): Handle COMPONENT_REF.
18194 (compute_data_dependences_for_loop): Initialize dependence_stats.
18195 Don't call build_classic_dist_vector and build_classic_dir_vector.
18196 Update the parameters of initialize_data_dependence_relation and
18197 compute_all_dependences. Print the statistics from datadep_stats.
18198 (analyze_all_data_dependences): Static. Not used until the pass for
18199 checking the data dependences is contributed.
18200 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
18201 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
18202 (initialize_data_dependence_relation, compute_affine_dependence,
18203 analyze_all_data_dependences, compute_subscript_distance): Removed.
18204 (print_direction_vector): New.
18205 * lambda.h (gcd): ... here.
18206 (lambda_vector_gcd): Moved here from gcd_vector.
18207 * lambda-code.c (gcd, gcd_vector): Removed.
18208 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
18209 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
18211 2006-02-20 Diego Novillo <dnovillo@redhat.com>
18213 * ipa-type-escape.c: Tidy some comments and white space.
18214 * tree-ssa-operands.c: Likewise.
18216 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
18219 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
18220 (dump_decl_name): Do not walk the decl tree chains.
18221 * tree-pass.h (TDF_CHAIN): Remove.
18223 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18225 * Makefile.in (C): Remove
18227 (.PHONY): Remove C and PROTO
18229 2006-02-20 Roger Sayle <roger@eyesopen.com>
18231 PR middle-end/26236
18232 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
18233 deprecated CHAR_TYPE tree code.
18235 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
18237 * configure.ac (target_list): Add install-info, dvi, html.
18238 * configure: Regenerate.
18240 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
18241 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
18242 treelang/Make-lang.in: Do not use double-colon rules.
18244 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
18246 * tree.h (struct tree_memory_tag): Add is_used_alone member.
18247 (TMT_USED_ALONE): New macro.
18248 * tree-pass.h (PROP_tmt_usage): New property.
18249 (TODO_update_tmt_usage): New todo.
18250 * tree-ssa-alias.c (updating_used_alone): New variable.
18251 (recalculate_used_alone): New function.
18252 (compute_may_aliases): Set updating_used_alone, call
18253 recalculate_used_alone.
18254 * tree-sra.c (pass_sra): Note that this pass destroys
18255 PROP_tmt_usage, and add TODO_update_tmt_usage.
18256 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
18257 * tree-flow.h (updating_used_alone): Prototype.
18258 (recalculate_used_alone): Ditto.
18259 * passes.c (execute_todo): Add code to set updating_used_alone,
18260 and call recalculate.
18261 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
18262 for clobber if used alone, and add assert to verify used_alone
18265 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
18267 * config/s390/s390.c (legitimize_pic_address): Assertions checking
18268 for non tls symbols added.
18269 (legitimize_address): Do nothing for PLUS expressions if one of the
18270 addends is a tls symbol reference.
18272 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
18276 * Makefile.in (LDFLAGS): Define from autoconf substitution.
18278 * Makefile.in (BOOTSTRAPPING): New.
18279 (quickstrap): New definition if BOOTSTRAPPING=yes.
18281 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
18282 * configure.ac: Substitute all_selected_languages with the languages
18283 that were configured. For all the other variables except
18284 lang_specs_files, include all the languages in the tree.
18285 * configure: Regenerate.
18287 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
18288 if there is one. Run the commands to run fixincludes in the same
18291 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
18292 * doc/install.texi: Document exact conventions for searching target tools.
18293 Document --with-build-time-tools. Document toplevel bootstrap. Document
18294 something more about building an Ada cross-compiler. Don't list GNU Make
18295 requirements which affect all platforms.
18297 2006-02-19 Roger Sayle <roger@eyesopen.com>
18299 PR middle-end/19543
18300 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
18301 only equivalent if the have both the same mode and precision.
18303 2006-02-20 Ben Elliston <bje@au.ibm.com>
18305 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
18307 2006-02-19 Roger Sayle <roger@eyesopen.com>
18308 Steven Bosscher <stevenb.gcc@gmail.com>
18310 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
18311 constant pool references to identify stack mode constants.
18312 * rtlanal.c (constant_pool_constant_p): New predicate to check
18313 whether operand is a floating point constant in the pool.
18314 * rtl.h (constant_pool_constant_p): Prototype here.
18315 * loop.c (scan_loop): Avoid hoisting constants from the constant
18316 pool on STACK_REGS targets.
18317 (load_mems): Likewise.
18318 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
18319 loads into x87 registers expensive in terms of register pressure.
18321 2006-02-19 Roger Sayle <roger@eyesopen.com>
18323 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
18324 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
18326 2006-02-19 David Edelsohn <edelsohn@gnu.org>
18328 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
18329 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
18331 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
18333 * doc/invoke.texi: Document -fipa-pta.
18334 * common.opt: Add ipa-pta option.
18335 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
18336 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
18337 (do_ds_constraint): Ditto.
18338 (get_constraint_for): Only add to referenced_vars if
18339 referenced_vars exists.
18340 (insert_into_field_list): Rewrite to do this unsorted.
18341 (insert_into_field_list_sorted): Rename old insert_into_field_list
18343 (create_function_info_for): Use insert_into_field_list_sorted.
18344 (create_variable_info_for): Rewrite so it uses unsorted version,
18345 since the field list is sorted.
18346 (intra_create_variable_infos): Only add to referenced_vars if
18347 referenced_vars exists.
18348 (ipa_pta_execute): Init heapvars, and delete when done.
18349 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
18351 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18353 * doc/install.texi: Add missing `@samp'.
18355 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18357 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
18360 2006-02-18 Mark Wielaard <mark@klomp.org>
18362 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
18363 who added new 4.1 features, bug fixes and integration support.
18365 2006-02-18 David Edelsohn <edelsohn@gnu.org>
18368 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
18369 MEM for ABI_V4 pic.
18371 2006-02-18 Richard Sandiford <richard@codesourcery.com>
18373 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
18374 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
18375 (copy_insn_1): Likewise. Don't copy each field individually.
18377 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
18379 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
18380 * rtl.c (rtx_size): Rename variable to...
18381 (rtx_code_size): ...this.
18382 (rtx_size): New function.
18383 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
18384 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
18386 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
18387 * rtl.h (rtx_code_size): New variable.
18388 (rtx_size): Change from a variable to a function.
18389 (RTX_SIZE): Rename to...
18390 (RTX_CODE_SIZE): ...this.
18393 PR tree-optimization/17106
18394 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
18395 (Anchored Addresses): New section.
18396 * doc/invoke.texi (-fsection-anchors): Document.
18397 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
18398 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
18399 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
18400 * hooks.c (hook_bool_mode_rtx_false): New function.
18401 * hooks.h (hook_bool_mode_rtx_false): Declare.
18402 * gengtype.c (create_optional_field): New function.
18403 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
18404 SYMBOL_REF_IN_BLOCK_P is true.
18405 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
18406 (min_anchor_offset, max_anchor_offset): Likewise.
18407 (use_anchors_for_symbol_p): New hook.
18408 * toplev.c (compile_file): Call output_object_blocks.
18409 (target_supports_section_anchors_p): New function.
18410 (process_options): Check that -fsection-anchors is only used on
18411 targets that support it and when -funit-at-a-time is in effect.
18412 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
18413 if the decl doesn't have one.
18414 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
18415 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
18416 of force_const_mem through use_anchored_address.
18417 (expand_expr_constant): New function.
18418 (expand_expr_addr_expr_1): Call it. Use the same modifier when
18419 calling expand_expr for INDIRECT_REF.
18420 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
18421 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
18422 * expr.h (use_anchored_address): Declare.
18423 * loop-unroll.c: Don't declare rtx vectors here.
18424 * explow.c: Include output.h.
18425 (validize_mem): Call use_anchored_address.
18426 (use_anchored_address): New function.
18427 * common.opt (-fsection-anchors): New switch.
18428 * varasm.c (object_block_htab, anchor_labelno): New variables.
18429 (hash_section, object_block_entry_eq, object_block_entry_hash)
18430 (use_object_blocks_p, get_block_for_section, create_block_symbol)
18431 (use_blocks_for_decl_p, change_symbol_section): New functions.
18432 (get_variable_section): New function, split out from assemble_variable.
18433 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
18434 use_blocks_for_decl_p say so. Use change_symbol_section if the
18435 symbol has already been created.
18436 (assemble_variable_contents): New function, split out from...
18437 (assemble_variable): ...here. Don't output any code for
18438 block symbols; just pass them to place_block_symbol.
18439 Use get_variable_section and assemble_variable_contents.
18440 (get_constant_alignment, get_constant_section, get_constant_size): New
18441 functions, split from output_constant_def_contents.
18442 (build_constant_desc): Create a block symbol if use_object_blocks_p
18443 says so. Or into SYMBOL_REF_FLAGS.
18444 (assemble_constant_contents): New function, split from...
18445 (output_constant_def_contents): ...here. Don't output any code
18446 for block symbols; just pass them to place_section_symbol.
18447 Use get_constant_section and get_constant_alignment.
18448 (force_const_mem): Create a block symbol if use_object_blocks_p and
18449 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
18450 (output_constant_pool_1): Add an explicit alignment argument.
18451 Don't switch sections here.
18452 (output_constant_pool): Adjust call to output_constant_pool_1.
18453 Switch sections here instead. Don't output anything for block symbols;
18454 just pass them to place_block_symbol.
18455 (init_varasm_once): Initialize object_block_htab.
18456 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
18457 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
18458 (place_block_symbol, get_section_anchor, output_object_block)
18459 (output_object_block_htab, output_object_blocks): New functions.
18460 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
18461 (TARGET_ASM_OUT): Include it.
18462 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
18463 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
18464 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
18465 (TARGET_INITIALIZER): Include them.
18466 * rtl.c (rtl_check_failed_block_symbol): New function.
18467 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
18468 (block_symbol, object_block): New structures.
18469 (rtx_def): Add a block_symbol field to the union.
18470 (BLOCK_SYMBOL_CHECK): New macro.
18471 (rtl_check_failed_block_symbol): Declare.
18472 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
18473 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
18474 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
18475 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
18476 * output.h (output_section_symbols): Declare.
18477 (object_block): Name structure.
18478 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
18479 (default_use_anchors_for_symbol_p): Declare.
18480 * Makefile.in (RTL_BASE_H): Add vec.h.
18481 (explow.o): Depend on output.h.
18482 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
18483 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
18484 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
18485 (rs6000_use_blocks_for_constant_p): New function.
18487 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18489 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
18491 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18494 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
18497 2006-02-18 Diego Novillo <dnovillo@redhat.com>
18499 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
18503 2006-02-18 Jakub Jelinek <jakub@redhat.com>
18505 PR middle-end/26334
18506 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
18507 instead of DECL_REGISTER.
18509 2006-02-18 Olivier Hainque <hainque@adacore.com>
18512 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
18514 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
18517 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
18518 * opth-gen.awk: Handle Var and InverseMask together.
18519 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
18520 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
18521 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
18522 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
18524 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18525 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18526 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
18527 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18528 LINUX_DYNAMIC_LINKER): Define.
18529 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
18530 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
18532 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18533 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
18534 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18535 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18536 (TARGET_C99_FUNCTIONS): Don't define.
18537 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
18538 GLIBC_DYNAMIC_LINKER.
18539 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
18540 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
18541 GLIBC_DYNAMIC_LINKER64): Define.
18542 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18543 LINUX_DYNAMIC_LINKER64.
18544 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18545 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18546 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
18547 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18548 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18549 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18550 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
18551 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
18552 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
18553 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
18554 and LINUX_DYNAMIC_LINKER32.
18555 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18556 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18557 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
18558 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18559 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
18561 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
18562 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
18563 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18564 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18565 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18566 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
18567 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
18568 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
18569 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18570 LINUX_DYNAMIC_LINKER): Define.
18571 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
18572 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
18573 GLIBC_DYNAMIC_LINKER64): Define.
18574 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18575 LINUX_DYNAMIC_LINKER64.
18576 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18577 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18578 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
18579 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18580 LINUX_DYNAMIC_LINKER): Define.
18581 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18582 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18583 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
18584 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
18585 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
18586 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18587 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
18588 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
18589 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18590 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18591 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18592 * doc/invoke.texi (-muclibc): Remove caveat about supported
18595 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
18597 * doc/cpp.texi (__TIMESTAMP__): Document.
18599 2006-02-17 Roger Sayle <roger@eyesopen.com>
18601 PR middle-end/25600
18602 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18603 C is one less than the width of X (and related transformations).
18604 * simplify-rtx.c (simplify_unary_operation_1): Transform
18605 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18606 depending on STORE_FLAG_VALUE, were C is one less then the
18609 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
18611 Fix PR tree-optimization/26341
18612 * tree-ssa-operands.c (add_virtual_operand): Remove assert
18613 about NAME_MEMORY_TAG's.
18615 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18618 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18619 with hardware float support, and software float support. Add fcpy
18620 alternative to hardware patterns. Add alternatives to copy between
18621 general and floating-point registers to the 32-bit pattern.
18622 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18623 secondary reload to load a QI or HI mode constant into a floating
18625 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18626 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
18628 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
18631 * config/rs6000/darwin.md (load_macho_picbase_si): Add
18633 (load_macho_picbase_di): Likewise.
18635 2006-02-16 Jeff Law <law@redhat.com>
18637 * tree-vrp.c (set_value_range_to_nonnegative): New function.
18638 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18639 (ssa_name_nonzero_p): Likewise.
18640 (get_value_range): Return NULL if VRP is not running.
18641 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
18642 VRP routines do not discover a range.
18643 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18644 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18645 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18646 (tree_expr_nonnegative_p): Similarly.
18647 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18648 (restore_nonzero_vars_to_original_value): Remove.
18649 (unsafe_associative_fp_binop): Remove.
18650 (tree_ssa_dominator_optimize): Remove initialization and
18651 finalization of nonzero_vars and nonzero_vars_stack.
18652 (dom_opt_initialize_block): No longer push marker on
18653 nonzero_vars_stack.
18654 (dom_opt_finalize_block): No longer call
18655 restore_nonzero_vars_to_original_value.
18656 (record_equivalences_from_phis): No longer look for
18657 nonzero PHI arguments.
18658 (cprop_into_successor_phis): No longer propagate nonzero
18659 property into PHI arguments. Lose unused argument. Caller
18661 (record_equivalences_from_stmt): No longer record nonzero
18662 values for SSA_NAMEs.
18663 (lookup_avail_expr): No longer use nonzero_vars.
18665 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18666 for sizetype when sizetype is unsigned.
18668 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
18670 PR rtl-optimization/25603
18671 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18672 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18673 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18674 with new meaning of SETS.
18676 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
18681 * config/linux.opt: New file.
18682 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18683 LINUX_DYNAMIC_LINKER): Define.
18684 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18685 * config.gcc (*-*-linux*): Define extra_options.
18686 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18687 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18688 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18689 GLIBC_DYNAMIC_LINKER.
18690 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18691 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18692 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18693 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18694 * doc/invoke.texi (GNU/Linux Options): New section.
18696 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
18698 * config/sparc/sparc.md (setjmp): Rewrite.
18699 (setjmp_32): Delete.
18700 (setjmp_64): Likewise.
18702 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
18704 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18707 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18709 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18712 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18714 PR rtl-optimization/26296
18715 * Makefile.in (loop-invariant.c): Add except.h dependency.
18716 * loop-invariant.c: Include except.h.
18717 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18719 2005-02-16 Paul Brook <paul@codesourcery.com>
18721 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18724 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18726 PR rtl-optimization/25636
18727 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18728 when deciding whether an insn is an initializing insn.
18730 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18732 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18733 (tree_code_size): Ditto.
18734 * tree.h (struct tree_memory_tag): Remove parent_var.
18735 (struct tree_struct_field_tag): New.
18738 (union tree_node): Add sft member.
18739 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18741 (create_sft): Add size and offset argument, set SFT_OFFSET and
18743 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18744 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18745 * tree-flow-inline.h (get_subvar_at): Update for
18746 SFT_OFFSET/SFT_SIZE.
18747 (var_can_have_subvars): Ditto.
18748 (overlap_subvar): Ditto.
18749 * print-tree.c (print_node): Print out interesting things for
18751 * tree-flow.h (struct subvar): Remove offset and size members.
18752 * tree-ssa-operands.c (get_expr_operands): Update for
18753 get_indirect_ref_operands changes.
18754 (get_indirect_ref_operands): Call add_virtual_operand instead of
18755 add_stmt_operand. Only recurse on base var if requested.
18756 (access_can_touch_variable): New function.
18757 (add_stmt_operand): Split virtual operand handling into ...
18758 (add_virtual_operand): Here. Add offset, size, and for_clobber
18759 arguments. Prune alias sets.
18760 (add_call_clobber_ops): Call add_virtual_operand.
18762 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18764 PR middle-end/26300
18765 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18767 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18768 than TREE_CODE as index into omp_clause_num_ops array.
18770 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18772 PR rtl-optimization/26184
18773 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18775 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18776 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18777 must_precede, must_follow and tobe_scheduled.
18780 * opts.c (common_handle_option): Free new_option pointer.
18781 * df-core.c (df_analyze): Free postorder pointer.
18783 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18785 * Makefile.in: Fix the examples about the use of stamps
18787 2006-02-15 Michael Matz <matz@suse.de>
18789 PR middle-end/22275
18791 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18792 influenced by maximum_field_alignment or DECL_PACKED.
18793 (update_alignment_for_field): Ditto.
18794 (place_field): Ditto.
18795 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18798 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18800 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18801 (debug_flow_info): Pass it.
18802 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18803 * bb-reorder.c (reorder_basic_blocks): Likewise.
18804 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18805 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18806 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18807 * gcse.c (gcse_main, bypass_jumps): Likewise.
18808 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18809 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18810 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18811 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18812 * rtl.h (dump_flow_info): Adjust prototype.
18813 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18814 * var-tracking.c (variable_tracking_main): Likewise.
18815 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18816 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18819 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18821 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18824 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18826 PR tree-optimization/26209
18827 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18828 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18830 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18832 2006-02-14 Roger Sayle <roger@eyesopen.com>
18834 PR middle-end/23670
18835 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18836 (X,Y) and the corresponding symmetry related transformations.
18837 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18838 (X,Y) and its symmetry related transformations.
18840 2006-02-14 Roger Sayle <roger@eyesopen.com>
18842 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18845 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18847 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18849 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18852 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18853 support COMDAT group.
18854 * configure: Regenerate.
18856 2006-02-14 Roger Sayle <roger@eyesopen.com>
18858 PR middle-end/26279
18859 PR middle-end/26280
18860 PR middle-end/26283
18861 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18863 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18865 Fix PR tree-optimization/26260
18867 * doc/invoke.texi (max-fields-for-field-sensitive): Document
18869 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18870 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18871 * tree-ssa-structalias.c (create_variable_info_for): Use
18872 MAX_FIELDS_FOR_FIELD_SENSITIVE.
18874 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18876 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18878 * tree-ssa-loop-niter.c (number_of_iterations_ne,
18879 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18880 of the ending condition.
18881 * tree-ssa-loop-manip.c: Include params.h.
18882 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18883 tree_unroll_loop): New functions.
18884 * tree-pass.h (pass_loop_prefetch): Declare.
18885 * loop.c (rest_of_handle_loop_optimize): Test for
18886 -fprefetch-loop-arrays-rtl.
18887 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18888 * timevar.def (TV_TREE_PREFETCH): New timevar.
18889 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18890 pass_loop_prefetch): New.
18891 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18892 (cleanup_tree_cfg_loop): Call scev_reset.
18893 * common.opt (fprefetch-loop-arrays-rtl): Add.
18894 * tree-ssa-loop-prefetch.c: New file.
18895 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18896 (new_temp_expr_table): Initialize expr_vars.
18897 (free_temp_expr_table): Cleanup expr_vars.
18898 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18899 expressions from being merged into one.
18900 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18901 (struct tree_niter_desc): Add control, bound and cmp fields.
18902 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18904 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18905 (tree-cfgcleanup.o): Add SCEV_H dependency.
18906 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18907 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18909 2006-02-14 Richard Guenther <rguenther@suse.de>
18911 PR tree-optimization/26258
18912 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18913 in PHI argument processing.
18915 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
18917 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18918 new expression in the requested machine mode.
18920 2006-02-13 Roger Sayle <roger@eyesopen.com>
18922 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18923 directly, instead let do_compare_rtx_and_jump handle this for us.
18924 * expr.c (expand_expr_real_1): Likewise.
18925 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
18926 before do_jump_by_parts_greater.
18927 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18928 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18930 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18932 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18934 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18936 PR rtl-optimization/26235
18937 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18938 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18941 2006-02-13 Jeff Law <law@redhat.com>
18943 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18946 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18948 PR middle-end/26092
18949 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18950 twice if decl is a builtin. When trying again, call get_callee_fndecl
18951 first to verify it is still a builtin.
18953 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18955 * dwarf2out.c (base_type_die): Don't add AT_name here.
18956 (subrange_type_die): Don't add AT_name here.
18957 (modified_type_die): Rearrange code flow. Do add AT_name here.
18959 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18961 PR rtl-optimization/26247
18962 PR rtl-optimization/26248
18963 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18965 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18967 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18968 * config/fixtfdi.c: Likewise.
18969 * config/fixunstfdi.c: Likewise.
18970 * config/floatditf.c: Likewise.
18972 2006-02-13 Roger Sayle <roger@eyesopen.com>
18974 PR middle-end/24427
18975 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18976 into (X,C2) if C1 is a subset of the bits of C2. Transform
18977 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18979 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18981 2006-02-13 Josh Conner <jconner@apple.com>
18984 * varasm.c (function_section): Check for section name before
18985 calling select_section on targets that define
18986 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18987 unlikely_text_section instead of hot_function_section if
18988 first_function_block_is_cold.
18990 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18992 PR middle-end/25335
18993 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18995 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18997 PR rtl-optimization/26222
18998 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18999 after tree->rtl expansion.
19000 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
19001 before passing it to emit_move_insn.
19003 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
19005 * doc/invoke.texi (-Write-strings): Document that it is enabled by
19007 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
19008 Clarify documentation.
19009 * c-common.h (warn_write_strings): Remove.
19010 * c-common.c (warn_write_strings): Likewise.
19011 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
19014 2006-02-12 Roger Sayle <roger@eyesopen.com>
19016 PR middle-end/25724
19017 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
19018 (do_jump_parts_zero_rtx): New function renamed from
19019 do_jump_parts_equality_rtx. Made static. Add a mode argument.
19020 (do_jump_parts_equality_rtx): New function split out from
19021 do_jump_parts_equality. Old implementation renamed as above.
19022 Call do_jump_parts_zero_rtx if either operand is zero.
19023 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
19024 do all of the heavy lifting.
19025 (do_compare_rtx_and_jump): Handle multi-word comparisons by
19026 calling either do_jump_by_parts_greater_rtx or
19027 do_jump_by_parts_equality_rtx.
19028 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
19029 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
19030 moved to do_compare_rtx_and_jump, call it directly.
19031 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
19032 mode argument. Call do_compare_rtx_and_jump.
19033 (emit_case_nodes): Update calls to do_jump_if_equal.
19035 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
19037 PR rtl-optimization/26225
19038 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
19040 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
19042 PR rtl-optimization/26232
19043 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
19045 2006-02-11 Jason Merrill <jason@redhat.com>
19048 * tree-inline.c (declare_return_variable): Just don't use the
19049 modify target if it's a gimple complex reg and the return slot
19052 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19054 * doc/contrib.texi: Update my entry.
19056 2006-02-10 Geoffrey Keating <geoffk@apple.com>
19058 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
19060 2006-02-10 Diego Novillo <dnovillo@redhat.com>
19062 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
19065 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
19067 * doc/invoke.texi (-floop-optimize2): Removed.
19068 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
19069 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
19070 Test flag_branch_on_count_reg only if HAVE_doloop_end.
19071 * common.opt (floop-optimize2): Removed.
19072 (fmove-loop-invariants): Enabled by default.
19074 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
19076 * tree-if-conv.c (combine_blocks): Free the result of
19077 get_loop_exit_edges.
19079 2006-02-10 Jeff Law <law@redhat.com>
19081 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
19083 PR tree-optimization/26213
19084 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
19085 loop trying to follow SSA_NAME_VALUE chains.
19087 2006-02-10 Richard Guenther <rguenther@suse.de>
19089 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
19090 deal with structures that end in implicitly variable sized arrays.
19092 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
19094 PR rtl-optimization/24762
19095 * df-scan.c (df_bb_refs_record): Record correct registers defined on
19098 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
19100 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
19101 (struct ivopts_data): Add regs_used field.
19102 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
19103 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
19104 instead of loop_data->regs_used;
19105 (free_loop_data): Do not free aux fields for loops.
19106 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
19107 and tree_ssa_iv_optimize_finalize.
19109 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
19111 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
19113 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
19116 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
19117 computing the effective result type.
19119 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
19121 PR inline-asm/16194
19122 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
19123 (tree_overlaps_hard_reg_set): Declare.
19124 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
19125 type and signature to match function type expected by walk_tree.
19126 (tree_overlaps_hard_reg_set): New function.
19127 (decl_conflicts_with_clobbers_p): Rename to:
19128 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
19129 Use tree_overlaps_hard_reg_set. Changed caller.
19130 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
19131 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
19132 * cris.c (cris_md_asm_clobbers): Likewise.
19134 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
19136 * reload1.c (emit_input_reload_insns): Delete code that tries to
19137 inherit using find_equiv_reg.
19139 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
19141 * c-common.h (flag_const_strings): Don't declare.
19142 * c-common.c (flag_const_strings): Remove.
19143 * c.opt (fconst_strings): Remove.
19144 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
19145 <OPT_Wwrite_strings>: Don't set flag_const_strings.
19146 (c_common_init_options): Don't set flag_const_strings.
19147 * doc/invoke.texi (-fno-const-strings): Remove documentation.
19149 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
19151 * arm.md (tlobits_cbranch): New pattern.
19152 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
19153 testing a single bit.
19155 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
19158 * tree-ssa-pre.c (create_component_ref_by_pieces):
19159 Handle RETURN_DECL like VAR_DECL.
19161 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
19163 PR middle-end/26134
19164 * fold-const.c (fold_indirect_ref_1): Fold
19165 "*(foo *)&complexfoo" to "__real__ complexfoo"
19166 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
19168 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
19170 * tree-flow-inline.h (var_can_have_subvars):
19171 Volatile variables should not have subvariables.
19173 2006-02-09 Diego Novillo <dnovillo@redhat.com>
19176 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
19177 multiplying unsigned values.
19180 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
19182 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
19184 2006-02-08 Jason Merrill <jason@redhat.com>
19187 * tree.def: Elaborate on difference from MODIFY_EXPR.
19188 * doc/c-tree.texi (INIT_EXPR): Likewise.
19189 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
19190 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
19191 (gimplify_target_expr): Likewise.
19192 (gimplify_cond_expr): Remove target handling.
19193 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
19194 (gimplify_expr): Clobber it here.
19195 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
19196 Do return slot optimization if we have an INIT_EXPR.
19199 * tree-inline.c (declare_return_variable): Also clear
19200 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
19203 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
19205 PR middle-end/22439
19206 * gimplify.c (gimplify_one_sizepos): Fix typo.
19208 2006-02-08 Jeff Law <law@redhat.com>
19210 PR tree-optimization/21417
19211 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
19212 across a backedge if the control statement at the end of the
19213 block is data dependent on other statements in the same block.
19214 (record_temporary_equivalences_from_stmts): Remove over-conservative
19215 test for threading across backedges.
19217 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
19218 control statement, handle all three special cases in the same
19219 manner as they all have the same desired solution. No longer
19220 special case edge flag updating when the post dominator is
19223 2006-02-08 Roger Sayle <roger@eyesopen.com>
19225 * tree.def (CHAR_TYPE): Remove.
19226 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
19227 * dwarf2out.c (base_type_die, is_base_type): Likewise.
19228 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
19229 (gen_string_type_die): Delete unreachable function.
19231 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
19232 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
19233 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
19234 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
19235 * builtins.c (type_to_class): Likewise.
19236 * fold-const.c (fold_convert, build_range_check,
19237 merge_ranges): Likewise.
19238 * expr.c (count_type_elements): Likewise.
19239 * c-pretty-print.c (pp_c_type_specifier): Likewise.
19240 * stor-layout.c (layout_type): Likewise.
19241 * ipa-type-escape.c (type_to_consider): Likewise.
19242 * gimplify.c (omp_firstprivatize_type_sizes,
19243 gimplify_type_sizes): Likewise.
19244 * explow.c (promote_mode): Likewise.
19245 * tree-sra.c (is_sra_scalar_type): Likewise.
19246 * varasm.c (output_constant): Likewise.
19247 * tree-inline.c (remap_type_1): Likewise.
19248 * convert.c (convert_to_pointer, convert_to_real,
19249 convert_to_integer, convert_to_complex): Likewise.
19251 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
19253 * df-scan.c (df_def_record_1): A set destination may
19254 be a parallel regardless of mode.
19256 2006-02-08 Roger Sayle <roger@eyesopen.com>
19259 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
19260 * config/mips/_tilib.c: Remove.
19261 * config/fixtfdi.c: New libgcc source file.
19262 * config/fixunstfdi.c: New source file.
19263 * config/floatditf.c: New source file.
19264 * config/floatunditf.c: New souce file.
19265 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
19266 files above instead of config/mips/_tilib.c.
19267 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
19269 2006-02-08 Jeff Law <law@redhat.com>
19271 PR tree-optimization/26169
19272 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
19275 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
19277 * df.h (DF_REG_SIZE): Return the length of the initialized
19280 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
19282 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
19283 __muldf3): Return a correctly signed zero.
19285 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
19287 * passes.c (register_one_dump_file): Accept the current properties
19288 instead of pass number. Adjust call to dump_register. Remove
19290 (register_dump_files): Now a wrapper around...
19291 (register_dump_files_1): ... this one. Do not modify the pass
19293 (next_pass_1): Cosmetic fix.
19294 (execute_todo): Keep second parameter only. Use curr_properties
19295 instead of fetching it from the pass structure. Check and set
19297 (execute_one_pass): Handle TODO_set_props. Use curr_properties
19298 instead of fetching it from the pass structure. Fix calls to
19299 execute_todo. Update curr_properties and initialize .vcg RTL dump
19300 after running the pass. Reset last_verified.
19301 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
19303 (FIRST_AUTO_NUMBERED_DUMP): New.
19304 (dump_register): Remove "num" parameter, assign it within the
19306 (get_dump_file_name): Modify template for dumps.
19307 * tree-dump.h (dump_register): Adjust prototype.
19308 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
19309 (PROP_trees): Add PROP_gimple_lomp.
19310 (TODO_set_props): New.
19311 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
19312 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
19313 * cfgexpand.c (pass_expand): Destroy PROP_trees.
19315 2006-02-08 Jakub Jelinek <jakub@redhat.com>
19317 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
19318 (sparc64-*-linux*): Likewise.
19319 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
19320 * config/sparc/t-linux: New file.
19321 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
19322 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
19323 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
19324 -m32 -mlong-double-128.
19326 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
19327 * config/alpha/t-linux: New file.
19328 * config/alpha/libgcc-alpha-ldbl.ver: New file.
19330 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
19331 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
19332 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
19333 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
19334 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
19335 (CPP_ARCH32_SPEC): Remove.
19337 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
19339 PR tree-optimization/26145
19340 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
19343 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19346 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
19347 >= 240000 when generating code for SOM runtime.
19348 (output_indirect_call): Don't use "b,l" instruction for indirect calls
19349 to $$dyncall when generating code for SOM runtime..
19351 2006-02-07 Dirk Mueller <dmueller@suse.com>
19354 * doc/invoke.texi (-Wsequence-point): Update documentation
19355 that -Wsequence-point is implemented for C++ as well.
19357 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19359 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
19360 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
19361 (LIB_SPEC): Likewise.
19362 * doc/invoke.texi (SPARC options): Document -pthread.
19364 2006-02-07 Geoffrey Keating <geoffk@apple.com>
19366 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
19369 2006-02-07 Roger Sayle <roger@eyesopen.com>
19371 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
19372 Correct comment describing BOOLEAN_TYPE.
19374 2006-02-07 Dirk Mueller <dmueller@suse.com>
19376 * c.opt: C++ frontend supports -Wdiv-by-zero.
19377 * c-opts.c (c_common_handle_option): Remove dead case.
19379 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19381 * configure.ac (TLS assembler check): Do not enable TLS by
19382 default on SPARC/Solaris before version 10.
19383 * configure: Regenerate.
19385 2006-02-07 David Edelsohn <edelsohn@gnu.org>
19387 * doc/invoke.texi (xl-compat): Document conversion and support
19390 2006-02-07 Jeff Law <law@redhat.com>
19392 * tree-vrp.c (find_conditional_asserts): Update comments.
19393 (simplify_stmt_for_jump_threading): New.
19394 (identify_jump_threads, finalize_jump_threads): New.
19395 (vrp_finalize): Call identify_jump_threads.
19396 (execute_vrp): Call finalize_jump_threads.
19397 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
19398 (vrp_element, vrp_data, vrp_element_p): Remove.
19399 (vrp_hash_elt, vrp_variables_stack): Remove.
19400 (vrp_hash, vrp_eq, record_range): Remove.
19401 (simplify_cond_and_lookup_avail_expr): Remove.
19402 (extract_range_from_cond): Remove.
19403 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
19404 (simplify_stmt_for_jump_threading): New.
19405 (dom_thread_across_edge): New wrapper.
19406 (tree_ssa_dominator_optimize): No longer initialize or
19407 finalize any of the VRP datastructures. Remove iteration
19408 step and simplify as a result of removal of iteration step.
19409 (pass_dominator): Perform a cfg cleanup after DOM.
19410 (dom_opt_finalize_block): Use the new common routines
19411 for threading jumps. Simplify stack management slightly.
19412 No longer need to unwind VRP state.
19413 (record_equivalences_from_incoming_edge): No longer record
19415 (eliminate_redundant_computations): No longer call
19416 simplify_cond_and_lookup_avail_expr.
19417 * tree-flow.h (potentially_threadable_block): Prototype.
19418 (thread_across_edge): Likewise.
19419 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
19420 (tree-ssa-threadedge.o): Add dependencies.
19421 * tree-ssa-threadedge.c: New file.
19422 * passes.c (init_optimization_passes): Merge PHIs before
19423 calling VRP. Run VRP again late in the SSA optimization pipeline.
19425 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19427 * df-core.c (df_set_blocks): Do not dereference function pointers.
19428 (df_finish1): Likewise.
19429 (df_hybrid_search_forward): Likewise.
19430 (df_hybrid_search_backward): Likewise.
19431 (df_iterative_dataflow): Likewise.
19432 (df_analyze_problem): Likewise.
19433 (df_compact_blocks): Likewise.
19434 (df_dump): Likewise.
19435 * df-scan.c (df_rescan_blocks): Likewise.
19436 (df_record_entry_block_defs): Likewise.
19438 * genconditions.c (write_conditions): Guard the definition of
19439 'insn_conditions' with the check on GCC version.
19440 (write_writer): Guard the traversal 'insn_conditions' with
19441 the check on GCC version.
19443 2006-02-07 Richard Guenther <rguenther@suse.de>
19447 2006-01-30 Richard Guenther <rguenther@suse.de>
19449 * gimplify.c (gimplify_target_expr): Handle easy cases
19450 without creating a temporary.
19452 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
19454 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
19455 use of float in probability computations. Use edge probabilities
19456 in place of statically computed probabilities.
19457 (min_spec_prob): New static variable.
19458 (schedule_insns): Initialize it.
19459 (GET_SRC_PROB): Removed.
19460 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
19462 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
19465 * config/ia64/unwind-ia64.c: Revert last change.
19466 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
19467 (INCOMING_FRAME_SP_OFFSET): Define.
19469 2006-02-06 Roger Sayle <roger@eyesopen.com>
19471 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
19473 2006-02-07 Ben Elliston <bje@au.ibm.com>
19475 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
19476 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
19477 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
19478 (ix86_return_in_memory): Handle TDmode.
19479 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
19480 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
19482 2006-02-06 Richard Sandiford <richard@codesourcery.com>
19484 * reorg.c (dbr_schedule): Use dump_file instead of file.
19486 2006-02-06 Steve Ellcey <sje@cup.hp.com>
19489 * config/ia64/predicates.md (extr_len_operand): New predicate.
19490 * config/ia64/ia64.md (extv): Tighten constraints.
19492 (*tbit_and_2): Ditto.
19493 (*tbit_and_3): Ditto.
19494 (*tbit_or_2): Ditto.
19495 (*tbit_or_3): Ditto.
19496 (*bit_zero): Ditto.
19499 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
19502 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
19504 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
19506 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
19507 loop_optimizer_init and loop_optimizer_finalize
19508 * tree-ssa-sink.c (execute_sink_code): Ditto.
19509 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
19510 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
19511 tree_ssa_loop_done): Ditto.
19512 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
19513 * sched-ebb.c: Include output.h.
19514 (schedule_ebbs): Do not use dump argument.
19515 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
19516 * loop.c (loop_dump_stream): Removed.
19517 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
19519 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
19520 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
19521 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
19522 loop_iterations, strength_reduce, record_biv, record_giv,
19523 final_giv_value, check_final_value, check_ext_dependent_givs,
19524 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
19525 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
19526 dump_file instead of loop_dump_stream.
19527 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
19528 argument dump_file.
19529 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
19531 * flow.c (life_analysis, rest_of_handle_life): Ditto.
19532 * haifa-sched.c: Include output.h
19533 (schedule_insns, sched_init): Do not use dump argument.
19534 * mode-switching.c (optimize_mode_switching): Ditto.
19535 * modulo-sched.c (stats_file): Removed.
19536 (print_node_sched_params): Do not call argument dump_file.
19537 (sms_schedule_by_order, loop_canon_p, sms_schedule,
19538 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
19540 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19542 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
19543 rtl_loop_init, rtl_loop_done): Ditto.
19544 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
19545 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
19547 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
19548 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
19549 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
19550 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
19551 * emit-rtl.c (renumber_insns): Ditto.
19552 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
19553 expand_gimple_basic_block, tree_expand_cfg): Ditto.
19554 * regclass.c (regclass): Ditto.
19555 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
19556 remove_ssa_form, rewrite_out_of_ssa): Ditto.
19557 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
19558 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
19560 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
19561 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
19563 * gcse.c (gcse_file, debug_stderr): Removed.
19564 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
19565 rest_of_handle_gcse): Do not use dump argument.
19566 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
19567 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
19568 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
19569 compute_code_hoist_vbeinout, compute_code_hoist_data,
19570 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
19571 compute_store_table, build_store_vectors, insert_insn_start_bb,
19572 insert_store, remove_reachable_equiv_notes, replace_store_insn,
19573 store_motion): Use dump_file instead of gcse_file.
19574 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
19575 * profile.c (profile_dump_file): Removed.
19576 (branch_prob): Use dump_file instead of profile_dump_file.
19577 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
19579 * tree-ssa-copy.c (dump_copy_of): Ditto.
19580 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
19581 dump file to life_analysis.
19582 * bt-load.c (branch_target_load_optimize): Ditto.
19583 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
19585 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
19586 regclass, dbr_schedule): Declaration changed.
19587 * sched-int.h (sched_init): Declaration changed.
19588 * tree-profile.c (tree_profile_dump_file): Removed.
19589 (tree_profile_hooks): Removed profile_dump_file hook.
19590 * rtl-profile (rtl_profile_dump_file): Removed.
19591 (rtl_profile_hooks): emoved profile_dump_file hook.
19592 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19594 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
19595 * tree-cfg.c (build_tree_cfg): Ditto.
19596 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19597 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19598 Declaration changed.
19599 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19600 life_analysis and schedule_insns.
19601 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19603 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19605 * config/mips/mips.c (mips_reorg): Ditto.
19606 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19609 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
19611 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19612 (s390_mangle_fundamental_type): New.
19613 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19616 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19617 (alpha_mangle_fundamental_type): New.
19618 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19621 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19623 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19625 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19626 (sparc_mangle_fundamental_type): New.
19628 2006-02-06 Jakub Jelinek <jakub@redhat.com>
19630 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19631 (s390x-*-linux*): Likewise.
19632 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19633 * config/s390/t-linux: New file.
19635 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19637 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
19638 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
19640 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
19642 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19643 (ANTIC_SAFE_LOADS): New macro.
19644 (find_or_generate_expression): Add prototype.
19645 (set_contains_value): Allow null set for sake of not always having
19646 to allocate ANTIC_SAFE_LOADS.
19647 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19648 Allow COMPONENT_REF too.
19649 (valid_in_set): Allow COMPONENT_REF.
19650 Check ANTIC_SAFE_LOADS too.
19651 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19652 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19654 (can_PRE_operation): Add COMPONENT_REF.
19655 (create_component_ref_by_pieces): New function.
19656 (create_expression_by_pieces): Use create_component_ref_by_pieces.
19657 (insert_aux): Move AGGREGATE_TYPE_P check here.
19658 (compute_avail): Set bb local stmt uids.
19659 (pass_pre): Use TODO_update_ssa_only_virtuals.
19661 2006-02-06 Ben Elliston <bje@au.ibm.com>
19663 * configure.ac: Unconditionally disable decimal float by default.
19664 * configure: Regenerate.
19666 2006-02-06 Ben Elliston <bje@au.ibm.com>
19668 * read-rtl.c (read_name): Terminate reading on EOF.
19670 2006-02-06 Ben Elliston <bje@au.ibm.com>
19672 * dfp.c (decimal_real_arithmetic): Change second argument type
19673 from int to enum tree_code. Do not always return true, but now
19674 return result of any call to decimal_do helper functions.
19675 * dfp.h (decimal_real_arithmetic): Update prototype.
19677 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
19679 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19681 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
19684 * tree-cfg.c (cleanup_dead_labels): Also don't remove
19687 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19689 * tree-vrp.c (cfg_loops): Removed.
19690 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19691 Use current_loops instead of cfg_loops. Pass flags to
19692 loop_optimizer_init.
19693 * cfgloopmanip.c (fix_loop_structure): Update only available
19695 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19696 loop_optimizer_init.
19697 * modulo-sched.c (build_loops_structure): Removed.
19698 (sms_schedule): Use loop_optimizer_init.
19699 * loop-init.c (loop_optimizer_init): Use flags to determine
19700 which properties of loops to prepare.
19701 (rtl_loop_init): Pass flags to loop_optimizer_init.
19702 * tree-ssa-sink.c (execute_sink_code): Ditto.
19703 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19704 * tree-ssa-pre.c (init_pre): Ditto.
19705 * cfgloop.h (LOOPS_NORMAL): New.
19706 (loop_optimizer_init): Declaration changed.
19708 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19710 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19711 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19713 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19715 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19717 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19718 * pa/t-pa64: Delete quadlib.c rule.
19719 * pa/x-ada: Revert last change.
19720 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19722 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19724 PR rtl-optimization/26087
19725 * rtlanal.c (canonicalize_condition): Do not cross basic block
19728 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19731 * config/ia64/ia64.c: Include debug.h.
19732 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19733 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19734 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19735 (process_epilogue, process_set, process_for_unwind_directive):
19736 Output unwind info only if requested. Add CFA info if requested.
19737 Add new arguments as needed. Adjust callers.
19738 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19740 (DWARF2_FRAME_INFO): Define to zero.
19741 * config/ia64/unwind-ia64.c: Remove code that compensated for
19742 the CFA offset error fixed above.
19743 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19744 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19745 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19746 -funwind-tables and -fexceptions to enable frame info.
19747 (dwarf2out_frame_init): Define initial CFA even if
19748 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19749 DWARF2_UNWIND_INFO is nonzero, not just defined.
19750 (dwarf2out_frame_finish): Output non-EH call frame info only
19751 if DWARF2_FRAME_INFO is nonzero.
19752 (convert_cfa_to_loc_list,
19753 compute_frame_pointer_to_cfa_displacement): Define even if
19754 unwind info is not supported.
19755 (gen_subprogram_die): Use the above unconditionally. Remove
19756 legacy alternate code.
19757 * toplev.c (compile_file): Compile in call to
19758 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19759 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19761 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19762 Jakub Jelinek <jakub@redhat.com>
19764 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19765 IBM extended float format long double as "g" on powerpc*-linux.
19767 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19770 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19771 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19773 2006-02-03 Jason Merrill <jason@redhat.com>
19776 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19778 PR middle-end/25977
19779 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19780 on the return slot if it's an NRV.
19782 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19784 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19785 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19786 rewrite_use): Do not handle USE_OUTER.
19787 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19788 add_iv_outer_candidates, may_replace_final_value,
19789 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19790 (find_interesting_uses_op): Functionality of
19791 find_interesting_uses_outer_or_nonlin moved here.
19792 (find_interesting_uses_outside): Use find_interesting_uses_op.
19794 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19797 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19799 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19800 Ulrich Weigand <uweigand@de.ibm.com>
19803 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19804 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19805 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19806 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19808 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19809 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19810 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19811 Define secondary reloads for TFmode moves.
19812 (constant_modes): Add TFmode.
19813 (NR_C_MODES): Set to 8.
19814 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19816 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19817 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19818 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19819 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19820 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19821 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19822 (FPR mode macro): Add TFmode.
19823 (DSF mode macro): New.
19824 (<de>, <dee> mode attributes): Removed.
19825 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19826 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19827 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19828 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19829 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19830 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19831 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19832 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19833 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19834 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19835 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19836 "*negabs<mode>2", "sqrt<mode>2"):
19837 Changed <de> to <xde>. R constraint replaced by <Rf>.
19838 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19840 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19841 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19842 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19844 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19845 "extenddftf2", "extendsftf2"): New expanders.
19846 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19847 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19848 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19849 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19851 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19852 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19853 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19854 __floatditf): Add a GCC_4.1.0 symbol version tag.
19855 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19858 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19861 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19862 Use targetm.binds_local_p instead of TREE_PUBLIC.
19864 2006-02-02 Roger Sayle <roger@eyesopen.com>
19866 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19867 on INTEGER_TYPEs to indicate that it denotes a character type.
19868 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19869 signed_char_type_node, unsigned_char_type_node and char_type_node.
19870 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19871 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
19872 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19874 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
19875 Daniel Berlin <dberlin@dberlin.org>
19877 * tree-tailcall.c (arg_needs_copy_p): New function.
19878 (eliminate_tail_call): Use arg_needs_copy_p.
19879 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19880 (add_virtual_phis): New function.
19882 2006-02-02 Jakub Jelinek <jakub@redhat.com>
19884 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19885 #ignore instead of #scratch for %g7 .register directive.
19887 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
19889 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19892 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19894 * flow.c (calculate_global_regs_live): Assert that there aren't any
19897 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
19899 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19900 what its name says.
19901 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19902 bsi_after_labels iterator.
19903 * tree-if-conv.c (find_phi_replacement_condition,
19904 replace_phi_with_cond_modify_expr): Likewise.
19905 * tree-scalar-evolution.c (scev_const_prop): Likewise.
19906 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19908 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19910 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19912 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19915 * tree-cfg.c (move_block_to_fn): Clear out the basic block
19916 array after growing it.
19918 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19920 PR middle-end/24901
19921 * fold-const.c (fold_checksum_tree): Change type of buf.
19923 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
19925 * reload.c (push_secondary_reload): Initialize t_icode.
19927 2006-02-01 Jakub Jelinek <jakub@redhat.com>
19929 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19930 -msoft-float -mlong-double-128 only issue a warning, but don't
19931 swich to DFmode long double.
19933 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
19935 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19936 has a constant equivalent, iterate over equivalents for arg0,
19937 calling simplify_relational_operation and if there's a result
19938 cheaper than X, apply fold_rtx and return the result.
19940 2006-02-01 Jan Hubicka <jh@suse.cz>
19942 * opts.c (no_unit_at_a_time_default): New global variable.
19943 (decode_options): Use it.
19944 * opts.h (no_unit_at_a_time_default): Declare.
19946 2006-02-01 Paul Brook <paul@codesourcery.com>
19948 * function.c (assign_parm_setup_reg): Use function argument promotion
19950 * expr.c (expand_expr_real_1): Use function argument promotion rules
19953 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19955 * gcc.c (process_command): Change j to 'unsigned int'.
19957 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19959 PR middle-end/26001
19960 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19961 Use the corrected index for the character
19962 out of the string constant.
19964 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19966 * mode-switching.c (optimize_mode_switching): Fix size
19967 allocated for bb_info[n_entities].
19969 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19971 * gcc.c (main): Correct type that is allocated for
19972 explicit_link_files.
19974 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19976 * config/s390/s390.c (init_alignment_context): Set
19977 ALIAS_SET_MEMORY_BARRIER on the MEM.
19978 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19980 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19982 PR middle-end/25933
19983 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19985 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19988 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19990 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19991 * regrename.c: Ditto.
19992 * tree-ssa-loop-im.c: Ditto.
19993 * tree-dump.c: Ditto.
19994 * tree-complex.c: Ditto.
19995 * genrecog.c: Ditto.
19996 * tree-ssa-threadupdate.c: Ditto.
19998 * java/class.c: Ditto.
19999 * java/jcf-parse.c: Ditto.
20000 * java/resource.c: Ditto.
20001 * java/except.c: Ditto.
20002 * java/jvspec.c: Ditto.
20003 * java/jcf-write.c: Ditto.
20004 * java/jcf-path.c: Ditto.
20005 * java/gjavah.c: Ditto.
20006 * java/zextract.c: Ditto.
20007 * java/jcf-io.c: Ditto.
20008 * java/jcf.h: Ditto.
20009 * java/buffer.c: Ditto.
20010 * java/lang.c: Ditto.
20011 * java/parse-scan.y: Ditto.
20012 * java/lex.c: Ditto.
20013 * java/lex.h: Ditto.
20014 * cfgloopmanip.c: Ditto.
20015 * postreload-gcse.c: Ditto.
20016 * tree-ssa-loop-manip.c: Ditto.
20017 * postreload.c: Ditto.
20018 * tree-ssa-loop-ch.c: Ditto.
20021 * cppspec.c: Ditto.
20022 * diagnostic.c: Ditto.
20024 * genoutput.c: Ditto.
20026 * cfghooks.c: Ditto.
20027 * cfgloopanal.c: Ditto.
20028 * objc/objc-act.c: Ditto.
20030 * genextract.c: Ditto.
20031 * genautomata.c: Ditto.
20032 * pretty-print.c: Ditto.
20033 * genemit.c: Ditto.
20034 * cgraphunit.c: Ditto.
20036 * df-scan.c: Ditto.
20037 * haifa-sched.c: Ditto.
20038 * dominance.c: Ditto.
20040 * tree-ssa-loop-ivopts.c: Ditto.
20041 * df-core.c: Ditto.
20042 * mode-switching.c: Ditto.
20043 * modulo-sched.c: Ditto.
20045 * ipa-pure-const.c: Ditto.
20047 * fix-header.c: Ditto.
20049 * tree-stdarg.c: Ditto.
20050 * ipa-utils.c: Ditto.
20051 * loop-init.c: Ditto.
20052 * ipa-inline.c: Ditto.
20053 * cfganal.c: Ditto.
20055 * alloc-pool.c: Ditto.
20056 * dwarf2out.c: Ditto.
20058 * genattrtab.c: Ditto.
20059 * tree-ssa-loop-ivcanon.c: Ditto.
20060 * predict.c: Ditto.
20061 * timevar.c: Ditto.
20063 * fortran/gfortranspec.c: Ditto.
20064 * regmove.c: Ditto.
20065 * local-alloc.c: Ditto.
20066 * langhooks.c: Ditto.
20067 * function.c: Ditto.
20068 * tree-vectorizer.c: Ditto.
20070 * ipa-type-escape.c: Ditto.
20072 * tree-if-conv.c: Ditto.
20073 * profile.c: Ditto.
20075 * tree-data-ref.c: Ditto.
20076 * loop-unroll.c: Ditto.
20077 * treelang/treetree.c: Ditto.
20079 * bt-load.c: Ditto.
20080 * ggc-common.c: Ditto.
20082 * coverage.c: Ditto.
20084 * tree-cfgcleanup.c: Ditto.
20085 * tree-ssa-pre.c: Ditto.
20086 * cfgcleanup.c: Ditto.
20087 * loop-invariant.c: Ditto.
20088 * loop-iv.c: Ditto.
20089 * ipa-prop.c: Ditto.
20090 * print-tree.c: Ditto.
20091 * conflict.c: Ditto.
20092 * ggc-page.c: Ditto.
20093 * sched-deps.c: Ditto.
20094 * regclass.c: Ditto.
20095 * tree-object-size.c: Ditto.
20096 * combine.c: Ditto.
20097 * bb-reorder.c: Ditto.
20098 * resource.c: Ditto.
20099 * var-tracking.c: Ditto.
20100 * cfgloop.c: Ditto.
20101 * df-problems.c: Ditto.
20102 * reg-stack.c: Ditto.
20104 * gccspec.c: Ditto.
20105 * sched-rgn.c: Ditto.
20106 * tree-ssa-structalias.c: Ditto.
20107 * tree-ssa-reassoc.c: Ditto.
20108 * config/darwin-c.c: Ditto.
20109 * config/darwin.c: Ditto.
20110 * config/arm/arm.c: Ditto.
20112 * collect2.c: Ditto.
20113 * reload1.c: Ditto.
20115 2006-01-31 Nicolas Pitre <nico@cam.org>
20117 * arm.md (smaxsi3): Make aware of smax_m1.
20120 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
20122 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
20124 2006-01-31 Richard Guenther <rguenther@suse.de>
20126 * doc/invoke.texi (-msselibm): Document.
20127 * target.h (expand_library_builtin): New target hook.
20128 * builtins.c (expand_builtin): Use expand_library_builtin.
20129 (default_expand_library_builtin): New function.
20130 * gcc.c (LINK_GCC_MATH_SPEC): Define.
20131 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
20132 (link_gcc_math_spec): Declare.
20133 (static_specs): Add link_gcc_math_spec.
20134 * expr.h (default_expand_library_builtin): Declare.
20135 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
20136 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
20137 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
20138 * config/i386/i386.opt (msselibm): New target option.
20139 * config/i386/i386.c (ix86_builtin_function_variants): New array.
20140 (ix86_init_sse_abi_builtins): New function.
20141 (ix86_expand_library_builtin): Likewise.
20142 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
20143 (override_options): Handle error conditions wrt -msselibm.
20144 (ix86_builtins): Add function codes for SSE2 ABI builtins.
20145 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
20146 * doc/extend.texi (__builtin_sse2_*): Document new target specific
20149 2006-01-31 Richard Guenther <rguenther@suse.de>
20150 Paolo Bonzini <bonzini@gnu.org>
20152 * doc/install.texi (--disable-libgcc-math): Document.
20154 2006-01-30 Marcin Dalecki <martin@dalecki.de>
20156 * expr.h (expand_normal): new inline function.
20157 * builtins.c: use it, use EXPAND_NORMAL explicitely.
20158 * dojump.c: use it.
20159 * dwarf2out.c: use it.
20162 * expmed.c: use it.
20163 * except.c: use it.
20164 * config/sparc/sparc.c: use it.
20165 * config/i386/i386.c: use it.
20166 * config/rs6000/rs6000.c: use it.
20167 * config/arm/arm.c: use it.
20168 * config/mips/mips.c: use it.
20169 * stmt.c: use it, use EXPAND_NORMAL explicitely.
20171 2006-01-30 Roger Sayle <roger@eyesopen.com>
20173 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
20174 argv to the appropriate type.
20176 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
20178 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
20181 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
20184 * config/s390/s390.c (struct machine_function): New flag
20185 decomposed_literal_pool_addresses_ok_p.
20186 (s390_reorg): Set it before final stage of literal pool transforms.
20187 (s390_decompose_address): Only accept displacements of the form
20188 (minus (label_ref ...) (label_ref ...)) if that flag is set.
20190 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
20192 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
20193 the comparison routine return.
20195 2006-01-30 Michael Matz <matz@suse.de>
20197 * global.c (find_reg): Only evict for global regs.
20198 Take n_refs into account and dump more info.
20200 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
20203 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
20204 (pragma_trap, pragma_nosave_low_regs): Likewise.
20205 (current_function_anonymous_args): Likewise.
20206 (sh_deferred_function_attributes): New variable.
20207 (sh_deferred_function_attributes_tail): Likewise.
20208 (print_operand): For '@', look up trap_exit attribute.
20209 (calc_live_regs): Look up trapa_handler attribute. For trapa
20210 handlers, save/restore fpscr, but don't do any other
20211 interrupt-specific saves.
20212 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
20213 Fix check for partially saved registers to check for SHmedia.
20214 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
20215 (sh_output_function_epilogue): Don't clear any of the removed
20217 (sh_insert_attributes): Don't check pragma_interrupt.
20218 Insert deferred attributes. Check that interrupt attribute is
20219 present for other attributes that require its presence.
20220 (sh_attribute_table): Add new attributes trapa_handler and
20222 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
20223 Don't check for pragma_interrupt. Don't store argument.
20224 * sh.h (pragma_interrupt, sp_switch): Don't declare.
20225 (sh_deferred_function_attributes): Declare.
20226 (sh_deferred_function_attributes_tail): Likewise.
20227 * sh.md (sp_switch_1): Add operand. Change generator caller.
20228 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
20229 (*return_i): Don't use when trap_exit attribute is in effect.
20230 (*return_trapa): New insn pattern.
20231 * sh-c.c: New file.
20232 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
20233 setting c_target_objs and cxx_target_objs.
20234 * t-sh: Add rule for sh-c.o.
20236 2006-01-30 Richard Guenther <rguenther@suse.de>
20239 * gimplify.c (gimplify_target_expr): Handle easy cases
20240 without creating a temporary.
20242 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
20244 * vec.h (safe_grow): Remove duplicated line.
20246 2006-01-29 Diego Novillo <dnovillo@redhat.com>
20249 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
20250 (expand_omp): ... here.
20251 (expand_omp_parallel): Only remove barriers for combined
20252 parallel+workshare constructs.
20254 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
20258 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
20259 * tree.c (build_qualified_type): Chain the new type to the original
20260 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
20261 a POINTER_TYPE or a REFERENCE_TYPE respectively.
20262 (build_pointer_type_for_mode): Only return unqualified types.
20263 (build_reference_type_for_mode): Likewise.
20265 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
20267 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
20268 * Makefile.in (CXX_COMPAT_WARN): Define.
20269 * configure: Regenerate.
20271 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
20274 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
20277 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
20279 * toplev.c: Fix thinko.
20281 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
20282 Marcin Dalecki <martin@dalecki.de>
20284 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
20285 (push_srcloc): Use XNEW.
20286 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
20288 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
20290 * df-core.c (df_set_blocks): Deleted all variable.
20292 2006-01-28 Ian Lance Taylor <ian@airs.com>
20294 * cgraphunit.c (cgraph_assemble_pending_functions): Call
20295 cgraph_output_pending_asms.
20297 2006-01-28 Zack Weinberg <zackw@panix.com>
20299 * c.opt: Add -W(no-)overlength-strings.
20300 * doc/invoke.texi: Document it.
20301 * c-opts.c (c_common_handle_option): -pedantic implies
20302 -Woverlength-strings, if not explicitly disabled already.
20303 (c_common_post_options): -Woverlength-strings defaults to off, and
20304 is always off for C++.
20305 * c-common.c (fix_string_type): Issue warning about strings longer
20306 than is portable only if warn_overlength_strings. Rearrange code
20307 a little for clarity.
20308 * configure.in: Check for -Wno-overlength-strings as well before
20309 enabling -pedantic in stage 1.
20310 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
20311 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
20313 * genconditions.c (write_header, write_one_condition)
20314 (write_conditions, write_writer): Consolidate very long strings
20315 that were broken up to fit in C89 portable limit. Don't use
20316 printf when fputs will do.
20318 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
20320 * combine.c (simplify_comparison <AND>): Check
20321 TRULY_NOOP_TRUNCATION before start using a subreg.
20323 * config/mips/mips.md (*branch_zero<mode>,
20324 *branch_zero<mode>_inverted, *branch_equality<mode>,
20325 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
20326 Remove mode check from comparisons.
20328 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
20330 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
20332 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
20334 * expmed.c (const_mult_add_overflow_p): Remove.
20335 * expr.h: Remove the prototype for const_mult_add_overflow_p.
20337 * recog.c (validate_replace_rtx_subexp): Remove.
20338 * recog.h: Remove the prototype for
20339 validate_replace_rtx_subexp.
20341 * integrate.h: Remove the prototype for
20342 copy_decl_for_inlining.
20343 * rtl.h: Remove the prototype for mark_constant_function.
20344 * tree-vectorizer.h: Remove the prototype for
20345 vect_strip_conversion.
20347 * modulo-sched.c (create_partial_schedule,
20348 free_partial_schedule, reset_partial_schedule): Make them
20351 * hooks.c (hook_bool_rtx_int_false): Remove.
20352 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
20354 2006-01-28 David Edelsohn <edelsohn@gnu.org>
20356 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20357 and -mlong-double-128 are incompatible.
20358 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
20359 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
20360 (TARGET_LIBGCC2_CFLAGS): Define.
20361 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
20362 (TARGET_LIBGCC2_CFLAGS): Same.
20363 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
20365 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
20368 * c-typeck.c (build_binary_op): Perform implicit casts of
20369 operands before shortening them.
20371 * cfgloopmanip.c (split_loop_bb): Remove.
20372 * cfgloop.h: Remove the prototype for split_loop_bb.
20374 * cfgloop.c (flow_loop_outside_edge_p): Remove.
20375 * cfgloop.h: Remove the prototype for
20376 flow_loop_outside_edge_p.
20378 * emit-rtl.c (init_virtual_regs): Make it static.
20379 * function.h: Remove the prototype for init_virtual_regs.
20381 * recog.c (peephole2_optimize): Make it static.
20382 * recog.h: Remove the prototype for peephole2_optimize.
20384 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20386 * df-scan.c (df_record_entry_block_defs): Check if
20387 INCOMING_RETURN_ADDR_RTX is defined.
20389 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
20390 Kenneth Zadeck <zadeck@naturalbridge.com>
20392 PR rtl-optimization/24762
20393 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20394 * targhooks.c (hook_void_bitmap): New hook prototype.
20395 * targhoohs.h (hook_void_bitmap): Ditto.
20396 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
20397 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
20398 * target.h (live_on_entry): New function pointer.
20399 * df-scan.c (df_all_hard_regs): Removed.
20400 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
20401 (df_scan_free_internal): Added df->entry_block_defs.
20402 (df_scan_alloc): Ditto.
20403 (df_scan_dump): Ditto.
20404 (df_uses_record): Plumbed flag field properly thru calls.
20405 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
20406 This part fixes PR24762.
20407 (df_bb_refs_record): Added code to make the frame and arg
20408 pointers live in EH blocks.
20409 (df_refs_record): Added call to df_record_entry_block_defs.
20410 (df_record_entry_block_defs): New function.
20411 * df-core.c: Added comments to describe new artifical defs.
20412 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
20413 (entry_block_defs): New field in struct df.
20414 (df_all_hard_regs): Deleted.
20415 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20416 * df-problems.c (df_ru_bb_local_compute_process_def):
20417 Added code to handle artifical defs in the entry to a function.
20418 (df_ru_bb_local_compute): Ditto.
20419 (df_rd_bb_local_compute_process_def): Ditto.
20420 (df_rd_bb_local_compute): Ditto.
20421 (df_lr_bb_local_compute): Ditto.
20422 (df_ur_bb_local_compute): Ditto.
20423 (df_urec_bb_local_compute): Ditto.
20424 (df_chain_create_bb): Ditto.
20425 (df_ur_local_finalize): Removed entry.
20426 (df_urec_init): Ditto.
20427 (df_urec_local_finalize): Ditto.
20428 (df_ri_bb_compute): Added detection of last use of pseudos.
20429 * Makefile.in (df-scan.o): Updated dependencies.
20430 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
20431 * config/mips/mips.c (mips_set_live_on_entry): Added.
20432 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
20434 * dce.c (marked_insn_p): Added code to handle artifical defs.
20436 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20438 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
20440 (_mm_cvtsi128_si64): Likewise.
20441 (_mm_cvtsd_si64): Likewise.
20442 (_mm_cvttsd_si64): Likewise.
20443 (_mm_cvtsi64_sd): Likewise.
20444 (_mm_cvtsi64_si128): Likewise.
20445 * config/i386/mmintrin.h (_m_from_int64): Likewise.
20446 (_mm_cvtsi64_m64): Likewise.
20447 (_m_to_int64): Likewise.
20448 (_mm_cvtm64_si64): Likewise.
20449 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
20450 (_mm_cvttss_si64): Likewise.
20451 (_mm_cvtsi64_ss): Likewise.
20452 (_mm_cvtss_f32): Likewise.
20454 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
20456 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
20457 for pragma redefine_extname.
20459 2006-01-27 Jakub Jelinek <jakub@redhat.com>
20462 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
20463 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
20464 -mno-minimal-toc to previous content.
20465 (bispecs): Remove goal.
20466 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
20467 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
20468 compatibility aliases on powerpc-*-*gnu*.
20469 * config/rs6000/libgcc-ppc-glibc.ver: New file.
20470 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
20471 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
20472 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
20473 (ldblspecs): New goal.
20474 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
20475 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
20477 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
20478 L_sf_to_tf or L_df_to_tf is defined.
20480 2006-01-27 David Edelsohn <edelsohn@gnu.org>
20481 Alan Modra <amodra@bigpond.net.au>
20484 * config/rs6000/linux.h (POWERPC_LINUX): Define.
20485 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
20486 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
20487 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
20488 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
20489 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
20490 (rs6000_override_options): Initialize rs6000_ieeequad.
20491 Initialize TFmode format to ibm_extended_format if not
20493 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
20495 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
20496 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
20497 (function_arg_advance): IBM long double passed in two FPRs, not
20499 (function_arg): IBM long double passed in FPRs.
20500 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
20501 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
20502 Only multireg GPR aligned.
20503 (rs6000_init_libfuncs): Enable IBM long double functions if not
20505 (rs6000_generate_compare): Use IBM long double compare if not
20507 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
20508 (TARGET_IEEEQUAD): Define.
20509 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
20510 not TARGET_IEEEQUAD.
20511 * config/rs6000/rs6000.md: Enable TFmode patterns if
20513 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
20514 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20515 and -mlong-double-128 are incompatible.
20516 * doc/invoke.texi (-mabi): Collect options together. Add
20517 ibmlongdouble and ieeelongdouble.
20519 2006-01-27 Richard Sandiford <richard@codesourcery.com>
20521 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
20523 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
20524 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
20525 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
20526 * rtl.h (rtunion_def): Remove rt_ptr.
20528 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
20529 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
20530 * config/i386/winnt.c (i386_pe_mark_dllexport)
20531 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
20533 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
20535 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
20537 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20541 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
20542 pthread_key_delete. From John David Anglin. gthrw-ify
20543 pthread_getunique_np only if it it's not a macro. Delete
20545 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
20546 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
20547 __gthread_objc_condition_signal, __gthread_key_delete): Add
20548 "__attribute__ ((__unused__))" to unused arguments.
20549 (__gthread_recursive_mutex_init_function): Add missing return.
20550 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
20551 gthr-posix95.h: Use macro-based approach for name redirection
20552 on targets missing weakref.
20554 2006-01-26 Zack Weinberg <zackw@panix.com>
20556 * genconditions.c (write_header): In generated code, #ifdef out
20557 all includes and fake declarations, except includes of bconfig.h
20558 and system.h, unless GCC_VERSION >= 3001. Do not include
20559 gensupport.h in any case.
20560 (write_conditions): Generate a definition of struct c_test. Add
20561 a comment to the generated #endif.
20562 (write_one_condition): Escape backslashes in string too.
20563 (write_writer): Generated code must escape backslashes and quote
20564 marks (but not newlines) in the strings it writes.
20565 * Makefile.in (build/gencondmd.o): Update dependencies.
20567 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20570 * Makefile.in (insn-automata.o): Add header file dependencies.
20571 * genautomata.c: Add includes.
20573 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20576 * Makefile.in (insn-automata.o): Add -Wno-error flag.
20578 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20580 * configure.ac: Expect target tools paths to be passed from the toplevel
20581 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
20583 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20585 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20588 * c.opt (Wpointer-sign): Init to -1.
20589 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
20590 OPT_pedantic, to 0 otherwise.
20591 * doc/invoke.texi: Update.
20593 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20595 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20596 constants provided by 80387 instructions in the destination mode.
20598 2006-01-26 Richard Guenther <rguenther@suse.de>
20599 Andrew Pinski <pinskia@physics.uc.edu>
20602 partial PR tree-opt/17064
20603 * tree-ssa-structalias.c (intra_create_variable_infos):
20604 Create heap variables for incoming parameters if
20605 flag_argument_noalias > 1.
20606 (find_what_p_points_to): Look through default defs of
20609 2006-01-26 Jeff Law <law@redhat.com>
20612 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20613 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20614 within the VR_RANGE, use the VR_RANGE as the result, not the
20616 (adjust_range_with_scev): Reject ranges from SCEV which are out of
20617 bounds for the type.
20619 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
20621 * tree-ssa-alias.c (maybe_create_global_var): Change
20622 subvar walking to an assertion that we don't have subvar'd variables.
20624 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
20627 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
20628 Use a new variable, inner. PARM_DECLs are always non-weak.
20630 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
20632 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20633 --disable-checking.
20635 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
20637 * config/mips/mips.md (*clear_upper32): New combiner pattern.
20639 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
20641 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
20642 (smax_insn, smin_insn, smax_0, smin_0): New.
20644 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
20647 * config/cris/cris.c (cris_order_for_addsi3): New function.
20648 * config/cris/cris-protos.h: Prototype it.
20649 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20650 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20651 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20652 (split for "op.S1 [rx=rx+i],ry (swapped)")
20653 (split for "op(s|u).S1 [rx=rx+i],ry")
20654 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20655 Apply cris_order_for_addsi3 when generating addsi3 insns.
20657 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20659 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20660 (TREE_BLOCK): Add call to EXPR_CHECK.
20662 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20665 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20666 * tree-pretty-print.c (dump_omp_clause): Extract from ...
20667 (dump_omp_clauses): ... here.
20668 (dump_generic_node): Handle OMP_CLAUSE.
20669 * tree.c (omp_clause_num_ops): New.
20670 (omp_clause_code_name): New.
20671 (tree_code_size): Handle OMP_CLAUSE.
20672 (tree_size): Likewise.
20673 (make_node): Document handling of OMP_CLAUSE.
20674 (tree_node_structure): Handle OMP_CLAUSE.
20675 (omp_clause_check_failed): New.
20676 (omp_clause_range_check_failed): New.
20677 (omp_clause_operand_check_failed): New.
20678 (build_omp_clause): New.
20679 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20680 * tree.h (enum omp_clause_code): Declare.
20681 (OMP_CLAUSE_SUBCODE_CHECK): Define.
20682 (OMP_CLAUSE_RANGE_CHECK): Define.
20683 (OMP_CLAUSE_ELT_CHECK): Define.
20684 (omp_clause_check_failed): Declare.
20685 (omp_clause_operand_check_failed): Declare.
20686 (omp_clause_range_check_failed): Declare.
20687 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20688 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20689 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20690 (OMP_CLAUSE_LASTPRIVATE): Likewise.
20691 (OMP_CLAUSE_IF_EXPR): Likewise.
20692 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20693 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20694 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20695 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20696 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20697 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20698 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20699 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20700 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20701 (OMP_CLAUSE_CODE): Define.
20702 (OMP_CLAUSE_SET_CODE): Define.
20703 (OMP_CLAUSE_CODE): Define.
20704 (OMP_CLAUSE_OPERAND): Define.
20705 (struct tree_omp_clause): Declare.
20706 (union tree_node): Add field 'omp_clause'.
20707 * treestruct.def (TS_OMP_CLAUSE): Define.
20708 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20709 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20710 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20711 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20712 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20713 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20714 (OMP_CLAUSE): Define.
20715 * print-tree.c (print_node): Handle OMP_CLAUSE.
20716 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20717 * c-typeck.c: Likewise.
20718 * gimplify.c: Likewise.
20719 * c-omp.c: Likewise.
20720 * tree-nested.c: Likewise.
20721 * tree-inline.c: Likewise.
20722 * c-parser.c: Likewise.
20723 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20726 2006-01-25 Roger Sayle <roger@eyesopen.com>
20728 PR rtl-optimization/25703
20729 * combine.c (try_combine): Handle zero_extract and strict_low_part
20730 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20732 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20734 * global.c: Fix comment typos.
20736 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20739 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20740 Use output_addr_const instead of assemble_name.
20742 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20744 * Makefile.in (sched-vis.o): Update dependencies.
20745 * haifa-sched.c (sched_finish): Clear current_sched_info.
20746 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20747 (dump_flow_info): Call it.
20748 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20750 * basic-block.h (dump_bb_info): Declare.
20751 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20752 option, and apply options only for dump files whose TDF_RTL,
20753 TDF_TREE, or TDF_IPA bits match.
20754 * rtl.h: Declare new functions exported from sched-vis.c.
20755 * sched-vis.c: Enable also if scheduling is not used.
20756 (print_value): Print the mode of registers if not inside scheduling.
20757 (print_insn): Make it work outside the scheduler. Beautify the output
20759 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20761 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20763 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20764 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20765 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20766 depending on the value of CONSTANT_POOL_ADDRESS_P.
20767 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20769 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20770 rather than SYMBOL_REF_DECL.
20771 (rtx_constant_pool): Remove const_rtx_sym_htab.
20772 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20773 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20774 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20775 Remove handling of const_rtx_sym_htab.
20776 (find_pool_constant): Delete.
20777 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20778 rather than find_pool_constant.
20779 (get_pool_constant_for_function): Delete.
20780 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20781 find_pool_constant.
20782 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20783 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20784 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20785 (SYMBOL_REF_CONSTANT): New macro.
20786 (get_pool_constant_for_function): Delete.
20787 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20788 rather than SYMBOL_REF_DECL.
20789 (i386_pe_mark_dllimport): Likewise.
20790 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20791 rather than SYMBOL_REF_DECL.
20792 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20793 (machopic_indirect_call_target): Likewise.
20795 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20797 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20799 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20801 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20803 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20805 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20807 2006-01-24 David Daney <ddaney@avtrex.com>
20810 * configure.ac (enable_tls): New enable option.
20811 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20812 * configure: Regenerate.
20813 * doc/install.texi (--enable-tls): Document new option.
20814 (--disable-tls): Ditto.
20816 2006-01-24 Richard Henderson <rth@redehat.com>
20818 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20819 * alias.c (true_dependence): Respect it.
20820 (canon_true_dependence, write_dependence_p): Likewise.
20821 * builtins.c (get_builtin_sync_mem): Set it.
20823 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20825 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20828 2006-01-24 DJ Delorie <dj@redhat.com>
20830 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20831 for storing constants in single-bit bitfields.
20833 2006-01-25 Ben Elliston <bje@au.ibm.com>
20835 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20837 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20840 * tree-ssa-pre.c (phi_translate): Return NULL
20841 for AGGREGATE_TYPE's.
20843 2006-01-24 Zack Weinberg <zackw@panix.com>
20845 * genautomata.c (process_state_for_insn_equiv_partition):
20846 Use xcalloc for insn_arcs_array.
20847 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20848 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20850 2006-01-24 Richard Henderson <rth@redhat.com>
20852 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20853 update all callers.
20855 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20857 PR rtl-optimization/25890
20858 PR rtl-optimization/25905
20859 * combine.c (expand_compound_operation, expand_field_assignment):
20860 Fail if the bitfield's final position is out of bounds.
20862 2006-01-24 Ian Lance Taylor <ian@airs.com>
20864 PR middle-end/25930
20865 * cgraphunit.c (cgraph_output_in_order): Don't clear
20866 cgraph_asm_nodes until after asm strings have been output.
20868 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
20870 * fix-header.c (read_scan_file): Add new parameter imultilib when
20871 calling register_include_chains.
20873 2006-01-23 Diego Novillo <dnovillo@redhat.com>
20875 * omp-low.c: Update documentation.
20877 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20878 Daniel Berlin <dberlin@dberlin.org>
20882 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20883 return from the function.
20885 2006-01-22 Zack Weinberg <zackw@panix.com>
20887 * rtl.def (match_code): Add second argument.
20888 * genpreds.c (write_extract_subexp): New function.
20889 (write_match_code): Add path argument. Use write_extract_subexp.
20890 (write_predicate_expr): Pass path to write_match_code.
20891 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20892 not perform a mode test.
20893 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20894 a subexpression does not constrain the top-level code set.
20895 * read-rtl.c (read_rtx_variadic): New function.
20896 (read_rtx_1): Use it; allow AND and IOR to be variadic.
20897 * doc/md.texi: Document new notation.
20898 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20899 (cmpsi_operand): ... here, using new notation.
20901 2006-01-22 Zack Weinberg <zackw@panix.com>
20903 * varray.c: Remove GENERATOR_FILE #ifdefs.
20905 2006-01-22 Zack Weinberg <zackw@panix.com>
20907 * genautomata.c (output_reserved_units_table): Emit nothing if
20908 description->query_units_num is zero. Remove extra blank line.
20909 (output_cpu_unit_reservation_p): Short circuit
20910 if description->query_units_num is zero.
20912 2006-01-22 Zack Weinberg <zackw@panix.com>
20914 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
20915 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
20916 nor any of the random handful of variables that used to be necessary
20917 when this program was linked with rtlanal.o. Prune set of forward
20918 function declarations.
20919 (struct attr_desc): Remove static_p field.
20920 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20921 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20922 (attr_string): Do not read the character one past the length of
20924 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20925 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20926 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20927 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20928 (make_automaton_attrs): New.
20929 (main): Do not call into genautomata. Call local gen_bypass
20930 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
20931 Remove special case for insn_alts.
20932 * genautomata.c: Include gensupport.h; not genattrtab.h nor
20933 varray.h (leftover from previous change). Prune set of forward
20934 function declarations. Remove state_alts fields from all
20935 structures. Remove state_alts_table from struct automaton.
20936 Make everything except main static. Do not maintain num_dfa_decls.
20937 Do not maintain state_alts fields of various structures.
20938 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20939 (add_arc): Remove state_alts argument. All callers updated.
20940 (output_reserved_units_table): Emit #ifdef here...
20941 (output_tables): ...not here. Don't generate state_alts tables.
20942 (expand_automata): Don't generate attributes.
20943 (write_automata): Don't generate state_alts functions.
20944 (main): New function.
20945 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20946 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20947 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20948 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20949 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20950 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20951 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20952 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20954 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20955 * genattrtab.h: Delete file.
20956 * Makefile.in (OBJS-common): Add insn-automata.o.
20957 (insn-automata.o): New rule.
20958 (simple_generated_c): Add insn-automata.c.
20959 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20960 (genprogmd): Add automata.
20961 (build/genattrtab): Needs no extra objects nor libraries.
20962 (build/genautomata): Needs build/vec.o and -lm.
20964 2006-01-22 Zack Weinberg <zackw@panix.com>
20966 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20967 (output_dfa_max_issue_rate, locked_states_num): Delete.
20968 (struct automaton): Add locked_states field.
20969 (output_dead_lock_vect): Save number of locked states in
20970 automaton->locked_states. If it is zero, don't print anything.
20971 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20972 (output_internal_dead_lock_func): Only test the dead_lock_vect
20973 for automata that have locked states.
20974 (output_statistics): Always print the number of locked states for
20975 each automaton. Calculate total number of locked states here.
20976 (write_automata): Don't call output_dfa_max_issue_rate.
20977 * genattrtab.c: Define length_unit_log as a const variable.
20978 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20979 max_insn_queue_index const.
20980 * final.c (length_unit_log): Declare const.
20981 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20983 2006-01-22 Zack Weinberg <zackw@panix.com>
20985 * genautomata.c: Include vec.h, not varray.h.
20986 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20987 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20988 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20989 VEC_* macros operating on appropriately typed vectors, or to
20990 malloced arrays when the size is known in advance. Const-ify
20991 many char* variables and function arguments. No functional changes.
20992 * Makefile.in (build/varray.o): Delete rule.
20993 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20994 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20996 2006-01-22 Zack Weinberg <zackw@panix.com>
20998 * gensupport.c: Define get_insn_name and record_insn_name here.
20999 (read_md_rtx): Call record_insn_name as appropriate.
21000 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
21001 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
21002 * genpreds.c, genrecog.c: Don't define get_insn_name nor
21004 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
21005 (BUILD_VARRAY): Delete.
21006 (genprognormal): Rename genprogmd. Fold in all programs from
21007 genprognoprint; also attrtab.
21008 (build/genattrtab): Just mention genautomata.o and varray.o.
21009 Reorganize a bit, add comments to make the categories clearer.
21011 2006-01-22 Zack Weinberg <zackw@panix.com>
21013 * genconditions.c (condition_table, add_condition): Delete.
21014 (write_conditions): Don't emit n_insn_conditions nor
21015 insn_elision_unavailable. Issue the gcc version #ifdef here,
21016 inside the table, with no #else clause ...
21017 (write_header): ...not here.
21018 (write_writer): New function.
21019 (main): Don't initialize condition_table. Use add_c_test.
21021 * gensupport.c (init_md_reader_args_cb): Handle multiple input
21022 files on the command line.
21023 (maybe_eval_c_test): Don't check insn_elision_unavailable.
21024 Return -1 if there is no entry in the table, don't abort.
21025 (add_c_test, traverse_c_tests): New functions.
21026 * gensupport.h (insn_elision_unavailable, insn_conditions)
21027 (n_insn_conditions): Delete declarations.
21028 (add_c_test, traverse_c_tests): Declare.
21029 * read-rtl.c: Include gensupport.h.
21030 (read_conditions): New function.
21031 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
21032 (read_rtx_1): If we get EOF when we were looking for an initial
21033 open paren, return 0. Call read_conditions when appropriate.
21034 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
21035 dummy-conditions.o. Eliminate references to insn-conditions.o,
21036 or change them to build/gencondmd.o, as appropriate. Remove
21037 insn-constants.h from $(simple_generated_h) and insn-conditions.c
21038 from $(simple_generated_c). For all files remaining in those
21039 two lists, add insn-conditions.md to the generator command line.
21040 Give insn-constants.h/s-constants their own rules. Add rules
21041 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
21042 (build/read-rtl.o): Depend on gensupport.h.
21043 (genprognormal): Include preds.
21044 (genprogearly): Rename genprognoprint; only difference is now that
21045 they don't link with $(BUILD_PRINT).
21046 * dummy-conditions.c: Delete.
21048 2006-01-22 Zack Weinberg <zackw@panix.com>
21050 * genextract.c: Don't include insn-config.h. Do include vec.h.
21051 Declare vectors of int, char, and locstr.
21052 (locstr): New typedef.
21053 (struct extraction): Make all array fields into bare pointers.
21054 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
21055 (insn_code_number): Delete.
21056 (accum_extract): New struct.
21057 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
21058 (gen_insn): Take insn_code_number as an argument. Use an
21059 accum_extract structure instead of loading data directly into
21060 a struct extraction, and having to know how big it might get.
21061 (walk_rtx): Operate entirely on an accum_extract structure.
21062 (print_path): Avoid unnecessary use of printf.
21063 (print_header): New function, split out of main. Distinguish
21064 more carefully between an unrecognizable insn and an insn that
21065 has the code number of a define_expand.
21066 (main): Pass insn_code_number to gen_insn. Call print_header
21067 only after parsing. Avoid unnecessary use of printf.
21068 * Makefile.in (build/vec.o): New rule.
21069 (build/genextract): Depend on build/vec.o.
21070 (build/genextract.o): Don't depend on insn-config.h.
21072 2006-01-22 Zack Weinberg <zackw@panix.com>
21074 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
21075 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
21076 practical. Eliminate per-generator-program link rules.
21078 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
21080 PR middle-end/24437
21081 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
21082 with a call expr to ...
21083 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
21085 2006-01-23 Richard Guenther <rguenther@suse.de>
21087 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
21088 before make_edge with conditional EDGE_TRUE_VALUE.
21090 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
21091 Jan Hubicka <jh@suse.cz>
21092 Richard Guenther <rguenther@suse.de>
21094 PR rtl-optimization/25654
21095 * cfgexpand.c (aggregate_contains_union_type): New function.
21096 (add_alias_set_conflicts): Call it. Make sure to add conflicts
21097 for structure variables that contain a union type.
21099 2006-01-23 Richard Sandiford <richard@codesourcery.com>
21101 * gengtype.c (new_structure): Return the structure.
21102 (create_option): Add an extra "next" argument.
21103 (create_field): New function.
21104 (adjust_field_rtx_def): Use create_option and create_field.
21105 Remove a now-unnecessary call to find_structure.
21106 (adjust_field_tree_def): Likewise.
21107 (note_yacc_type): Remove an unnecessary call to find_structure.
21108 * gengtype.h (new_structure): Return the structure.
21109 (create_option): Add an extra argument.
21110 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
21111 (option): Adjust calls to create_option.
21113 2006-01-22 David Edelsohn <edelsohn@gnu.org>
21115 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
21117 2006-01-22 Paul Brook <paul@codesourcery.com>
21118 Peter Barada <peter@the-baradas.com>
21120 * config/m68k/m68k.md: Add Coldfire FPU support.
21121 Define FP mode macro and associated attributes.
21122 Use it for float mode patterns.
21123 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
21124 (LIBCALL_VALUE): Use m68k_libcall_value.
21125 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
21126 (m68k_function_value): Ditto.
21127 (emit_move_sequence): Ditto.
21128 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
21129 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
21130 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
21131 (MULTILIB_EXCEPTIONS): Ditto.
21132 * config/m68k/m68k.opt: Add mcfv4e.
21133 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
21134 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
21135 (m68k_output_function_prologue): Save ColdFire FPU registers.
21136 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
21137 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
21138 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
21139 ColdFire FPU registers.
21140 (m68k_libcall_value, m68k_function_value): New functions.
21141 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
21142 (LIBCALL_VALUE): Use m68k_libcall_value.
21143 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
21144 (MASK_COLDFIRE): Add MASK_CFV4E.
21145 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
21146 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
21147 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
21148 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
21149 (GO_IF_LEGITIMATE_ADDRESS): Use it.
21150 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
21151 * doc/invoke.tex: Document -mcfv4e on m68k.
21153 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
21155 * doc/contribute.texi: Change CVS to SVN and update the corresponding
21158 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
21161 * c-opts.c (c_common_handle_option): Don't include
21162 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
21163 * doc/invoke.texi (C++ Dialect Options): Document that
21164 -Wnon-virtual-dtor is no longer included in -Wall.
21166 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
21168 * gcov.c (print_version), gcov-dump.c (print_version),
21169 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
21172 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
21174 * df-scan.c (problem_SCAN): Added NULL reset function.
21175 (df_scan_reset_blocks): Added code to call reset block function
21176 (df_bb_refs_delete) Fixed comment.
21177 (df_insn_refs_delete): Made tolerant of deleting non existent info
21178 for dataflow problems that need to be reset.
21179 * df-core.c (df_set_blocks): Ditto.
21180 * df.h (struct df_problem): Added reset_fun.
21181 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
21182 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
21183 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
21184 functions to clear out all references to def-use or use-def chains.
21186 2006-01-21 Ben Elliston <bje@au.ibm.com>
21188 * varasm.c (assemble_real): Initialise data array.
21190 2006-01-20 Paul Brook <paul@codesourcery.com>
21192 Merge from csl-arm-branch.
21193 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
21194 * config/arm/arm.md (movdi): Force operands[1] to a register
21195 if we have a non-register source.
21196 (*arm_movdi, *movdf_soft_insn): Require that one of the
21197 operands be a register.
21198 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
21199 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
21201 2006-01-20 DJ Delorie <dj@redhat.com>
21203 * varasm.c (initializer_constant_valid_p): Allow pointers
21204 initialized from integer constants of lesser precision.
21205 (output_constant): Allow non-int-sized pointer modes to be
21206 initialized from integer constants.
21208 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
21211 * cppdefault.h (struct default_include): Add multilib flag.
21212 * cppdefault.c (cpp_include_defaults): Set it.
21213 * c.opt (-imultilib): New option.
21214 * c-opts.c (imultilib): New.
21215 (c_common_handle_option): Handle -imultilib.
21216 (c_common_post_options): Likewise.
21217 * c-incpath.c (add_standard_paths, register_include_chains):
21219 * c-incpath.h (register_include_chains): Add extra parameter.
21220 * gcc.c (do_spec_1): Generate -imultilib option.
21221 (The Specs Language): Update %I description.
21222 (process_command): Update copyright notice.
21223 * doc/cppopts.texi (-imultilib): Document.
21224 * doc/invoke.texi (-imultilib): Include in option summary.
21225 (%I): Update specs documentation.
21227 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
21229 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
21231 2006-01-20 Richard Sandiford <richard@codesourcery.com>
21233 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
21236 2006-01-20 Richard Guenther <rguenther@suse.de>
21237 Steven Bosscher <stevenb.gcc@gmail.com>
21239 PR rtl-optimization/24626
21240 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
21241 EDGE_TRUE_VALUE if in RTL mode.
21244 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
21245 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
21247 2006-01-20 Dirk Mueller <dmueller@suse.com>
21250 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
21251 instead of a special NOP marker.
21252 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
21253 NOP marker handling.
21254 * c-common.h (empty_body_warning): Add forward declaration.
21255 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
21256 Now uses IS_EMPTY_STMT() instead of special NOP markers.
21258 2006-01-20 Paul Brook <paul@codesourcery.com>
21260 * Makefile.in (lang_checks): Keep going if mkdir fails.
21262 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
21264 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
21265 be able to clean out basic block when not necessary.
21266 (df_scan_free): Fixed to properly delete information if df is
21267 unused before calling df_finish.
21268 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
21269 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
21271 (df_bb_refs_delete): New function.
21272 (df_refs_delete): Moved per block code to df_bb_refs_delete.
21273 * df-core.c (df_set_blocks): Added code to properly clean out
21274 unused blocks if they are not part of the blocks to consider.
21275 Added additional null check.
21276 (df_compact_blocks): Added basic block parameter to free_bb_fun to
21277 be able to clean out basic block when not necessary
21278 * df.h (df_free_bb_function): Ditto.
21279 (df_bb_refs_delete): New function.
21280 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
21281 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
21282 basic block parameter to be able to clean out basic block when not
21284 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
21285 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
21286 Fixed to properly delete information if df is unused before
21289 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
21291 PR rtl-optimization/25799
21292 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
21293 Corrected confluence operator to remove bits from op2 before oring
21294 with op1 rather than removing bits from op1.
21295 (df_ru_transfer_function): Corrected test on wrong bitmap which
21296 caused infinite loop. Both of these problems were introduced in
21297 the dataflow rewrite.
21299 2006-01-19 DJ Delorie <dj@redhat.com>
21301 * reload1.c (find_reload_regs): Note the details of reload
21302 failures in the dump file.
21303 (spill_failure): Likewise.
21305 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
21307 * loop-iv.c: Include df.h and hashtab.h.
21308 (enum iv_grd_result): New enum.
21309 (DF_REF_IV, DF_REF_IV_SET): New macros.
21310 (struct biv_entry): New.
21311 (df, bivs): New global variables.
21312 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
21313 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
21315 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
21316 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
21317 analyzed_for_bivness_p, record_biv): New functions.
21318 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
21319 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
21320 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
21322 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
21324 (iv_number_of_iterations): Use new interface to iv analysis.
21325 * loop-unroll.c: Do not include varray.h.
21326 (analyze_iv_to_split_insn): Use new interface to iv
21328 * loop-unswitch.c (may_unswitch_on): Ditto.
21329 * df.c (df_bitmaps_free): Only work for bbs for that structures are
21331 (df_bb_modify): Realloc tables to the new index.
21332 (df_find_use): New function.
21333 * df.h (df_find_use): Declare.
21334 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
21336 * cfgloop.h (struct rtx_iv): Remove analysed field.
21337 (iv_get_reaching_def): Removed.
21338 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
21339 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
21340 (loop-iv.o): Add df.h and hashtab.h dependency.
21341 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
21343 2006-01-20 Alan Modra <amodra@bigpond.net.au>
21346 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
21348 (__floatundisf, __floatundidf): Likewise.
21349 * libgcc2.h (IS_IBM_EXTENDED): Define.
21351 2006-01-19 DJ Delorie <dj@redhat.com>
21353 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
21355 2006-01-19 Paul Brook <paul@codesourcery.com>
21357 * config/arm/arm.c (arm_compute_func_type): Treat all functions
21358 as nothrow when unwinding tables are disabled.
21360 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21363 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
21364 of bit-field" when in system header.
21366 2006-01-19 DJ Delorie <dj@redhat.com>
21368 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
21369 the 16 bit shift limit of the m16c.
21371 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
21374 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
21375 * config/i386/i386.c (output_set_got): Output the label if we have one
21376 for the TARGET_DEEP_BRANCH_PREDICTION case.
21378 2006-01-19 Jan Hubicka <jh@suse.cz>
21379 H.J. Lu <hongjiu.lu@intel.com>
21380 Evandro Menezes <evandro.menezes@amd.com>
21382 * invoke.texi (generic): Document
21384 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
21385 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
21386 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
21387 (x86_use_incdec, x86_pad_returns): New variables
21388 (TARGET_CPU_DEFAULT_generic): New constant
21389 (TARGET_CPU_DEFAULT_NAMES): Add generic.
21390 (enum processor_type): Add generic32 and generic64.
21391 * i386.md (cpu attribute): Add generic32/generic64
21392 (movhi splitter): Behave sanely when both partial_reg_dependency and
21393 partial_reg_stall are set.
21394 (K8 splitters): Enable for generic as well.
21395 * predicates.md (incdec_operand): Use TARGET_INCDEC
21396 (aligned_operand): Avoid memory mismatch stalls.
21397 * athlon.md: Enable for generic64, new patterns for 128bit moves.
21398 * ppro.md: Enable for generic32
21399 * i386.c (generic64_cost, generic32_cost): New.
21400 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
21401 (x86_use_leave): Enable for generic64. (x86_use_sahf,
21402 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
21403 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
21404 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
21405 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21406 x86_partial_reg_dependency, x86_memory_mismatch_stall,
21407 x86_accumulate_outgoing_args, x86_prologue_using_move,
21408 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
21409 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
21410 Enable for generic.
21411 (x86_use_incdec, x86_pad_returns): New.
21412 (override_options): Add generic32 and generic64, translate "generic"
21413 to generic32/generic64 and "i686" to "generic32", refuse
21414 "generic32"/"generic64" as arch target.
21415 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
21416 (ix86_reorg): Honor PAD_RETURNS.
21418 2006-01-19 Diego Novillo <dnovillo@redhat.com>
21420 * tree-pretty-print.c (dump_generic_node): Handle
21421 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
21422 * cgraph.c (cgraph_expand_queue): Rename from
21423 cgraph_analyze_queue. Update all users.
21424 * cgraphunit.c (cgraph_assemble_pending_functions): Process
21425 cgraph_expand_queue.
21426 (cgraph_expand_all_functions): Likewise.
21427 (cgraph_finalize_pending_functions): Remove. Update callers.
21429 * tree.h (OMP_DIRECTIVE_P): Define.
21430 (OMP_PARALLEL_FN): Define.
21431 (OMP_PARALLEL_DATA_ARG): Define.
21432 (OMP_SECTIONS_SECTIONS): Define.
21433 * tree-pass.h (pass_expand_omp): Declare.
21434 * omp-low.c (struct omp_region): Declare.
21435 (struct omp_context): Remove fields 'parallel_type',
21436 'parallel_start_ix' and 'parallel_start_additional_args'.
21438 (struct omp_for_data): Rename from struct expand_omp_for_data.
21439 (omp_regions): New static variable.
21440 (root_omp_region): New static variable.
21441 (find_omp_clause): Make static.
21442 (is_in_combined_parallel_ctx): Remove.
21443 (is_combined_parallel): New.
21444 (extract_omp_for_data): Move earlier in the file.
21445 (workshare_safe_to_combine_p): New.
21446 (get_ws_args_for): New.
21447 (determine_parallel_type): Move earlier in the file.
21448 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
21450 (omp_copy_decl): Likewise.
21451 (create_omp_child_function): Likewise.
21452 (lookup_omp_region): New.
21453 (dump_omp_region): New.
21454 (debug_omp_region): New.
21455 (debug_all_omp_regions): New.
21456 (new_omp_region): New.
21457 (scan_omp_parallel): If parallel_nesting_level > 1, the
21458 directive is nested within another parallel directive.
21459 Set OMP_PARALLEL_FN.
21460 (scan_omp_for): Do not try to handle combined parallel+for
21462 Remove FIXME comment.
21463 (scan_omp_nested): Remove.
21464 (scan_omp_1): Do not call scan_omp_nested when
21465 parallel_nesting_level is > 1.
21466 Do not change the DECL_CONTEXT of local variables found.
21467 (lookup_decl_in_outer_ctx): New.
21468 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
21469 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
21470 (lower_reduction_clauses): Rename from expand_reduction_clauses.
21471 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
21472 If CTX is nested, lookup VAR in the outer context when
21473 building copy assignment.
21474 (lower_send_clauses): Rename from expand_send_clauses.
21475 If CTX is nested, lookup VAR in the outer context when
21476 building copy assignments.
21477 (lower_send_shared_vars): Rename from expand_send_shared_vars.
21478 If CTX is nested, lookup VAR in the outer context when
21479 building copy assignments.
21480 (expand_parallel_call): Rename from build_parallel_call.
21481 Handle combined parallel+workshare cases.
21482 Re-implement to emit code into the CFG.
21484 (expand_omp_parallel): Re-implement to emit code into the CFG.
21485 Call move_sese_region_to_fn to outline the sub-graph
21486 containing the parallel region.
21487 (expand_omp_for_1): Remove.
21488 (expand_omp_for_generic): Re-implement to emit code into the
21490 (expand_omp_for_static_nochunk): Likewise.
21491 (expand_omp_for_static_chunk): Likewise.
21492 (expand_omp_for): Likewise.
21493 (expand_omp_sections): Likewise.
21494 (remove_exit_barriers): New.
21495 (expand_omp_synch): New.
21497 (build_omp_regions_1): New.
21498 (build_omp_regions): New.
21499 (execute_expand_omp): New.
21500 (gate_expand_omp): New.
21501 (pass_expand_omp): Define.
21502 (lower_omp_sections): Rename from expand_omp_sections.
21503 Set OMP_SECTIONS_SECTIONS.
21504 (lower_omp_single_simple): Rename from expand_omp_single_simple.
21505 (lower_omp_single_copy): Rename from expand_omp_single_copy.
21506 (lower_omp_single): Rename from expand_omp_simple.
21507 (lower_omp_master): Rename from expand_omp_master.
21508 (lower_omp_ordered): Rename from expand_omp_ordered.
21509 (lower_omp_critical): Rename from expand_omp_critical.
21510 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
21511 (lower_omp_for): Re-implement.
21512 (lower_omp_parallel): Re-implement.
21513 (lower_regimplify): Rename from expand_regimplify.
21514 (lower_omp_1): Rename from expand_omp_1.
21515 If there are syntax errors in the program, replace every
21516 OpenMP directive with NOP.
21517 Call lower_omp_* instead of expand_omp_*.
21518 (lower_omp): Rename from expand_omp.
21520 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
21521 * tree-gimple.h (enum omp_parallel_type): Remove.
21522 (gimple_boolify): Declare extern.
21523 (find_omp_clause, determine_parallel_type): Remove.
21525 * gimple-low.c (lower_omp_directive): New.
21526 (lower_stmt): Call it.
21527 (record_vars_into): Move from ...
21528 (record_vars): ... here.
21529 Call record_vars_into with current_function_decl.
21531 * gimplify.c (struct gimplify_ctx): Remove fields
21532 combined_pre_p and combined_ctxp. Update users.
21533 (get_formal_tmp_var): Add documentation.
21534 (gimple_boolify): Make extern.
21535 (gimplify_expr_in_ctx): Remove. Update callers.
21536 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
21537 will always be a BIND_EXPR.
21538 (gimplify_expr): Handle OMP_RETURN_EXPR.
21539 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
21540 (OMP_PARALLEL): Add 3 operands.
21541 (OMP_SECTIONS): Add 1 operand.
21542 (OMP_RETURN_EXPR): Define.
21544 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
21545 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
21546 * tree-iterator.c (alloc_stmt_list): Assert that we are not
21547 creating a circular free list.
21548 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
21550 * tree-flow.h (move_sese_region_to_fn): Declare.
21551 (record_vars_into): Declare.
21552 * tree-cfg.c (make_omp_sections_edges): New.
21553 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
21554 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
21555 OMP_SECTIONS and OMP_SECTION.
21556 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
21557 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
21558 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
21559 (gather_blocks_in_sese_region): New.
21560 (struct move_stmt_d): Declare.
21561 (move_stmt_r): New.
21562 (move_block_to_fn): New.
21563 (move_sese_region_to_fn): New.
21565 * passes.c (init_optimization_passes): Schedule
21566 pass_expand_omp after pass_init_datastructures.
21568 * tree-ssa-operands.c (get_expr_operands): Handle
21569 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
21570 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
21572 2006-01-19 Jeff Law <law@redhat.com>
21574 * tree-vrp.c (extract_range_from_assert): Refine the result range
21575 if the variable referenced by the ASSERT_EXPR has a range and
21576 either the tentative result range or the previous range is a
21579 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21581 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
21583 2006-01-19 Jan Hubicka <jh@suse.cz>
21585 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
21587 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
21589 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
21590 (expand_compound_operation, expand_field_assignment): Fail if the
21591 bit lengths of an extract operation are out of range.
21592 (make_extraction): Compute wanted_inner_mode based on the position
21593 and length of the extraction. Make it extraction_mode for non-constant
21594 positions, and do not modify offset in that case. When generating a
21595 new MEM, use a mode that can hold the extraction while keeping correct
21596 alignment. Remove code that supported MEMs wrapped by USEs.
21597 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
21599 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
21601 * config/s390/s390.md ("Y", "y"): New mode attribute.
21602 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21603 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21604 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21605 "*addsi3_imm_cc", "*addsi3_carry1_cc",
21606 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21607 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21608 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21609 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21610 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21611 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21612 "addsi3", "subsi3"): Insn patterns removed.
21613 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
21614 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
21615 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
21616 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
21617 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
21618 "*sub<mode>3_cconly2"): New insn patterns.
21619 ("addsi3", "subsi3"): New expanders.
21621 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
21623 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
21624 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21625 existing STMT_VINFO_VECTYPE if available.
21626 (vect_mark_relevant): Add special handling for stmts that are
21627 marked as STMT_VINFO_IN_PATTERN_P.
21628 (vect_analyze_loop): Call vect_pattern_recog.
21629 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21630 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21632 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21633 (vect_recog_func_ptr): New function-pointer type.
21634 * tree-vect-patterns.c: New file.
21635 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21636 (vect_recog_dot_prod_pattern, vect_pattern_recog):
21637 (vect_pattern_recog_1): New functions.
21638 (vect_pattern_recog_funcs): New array of function pointers.
21640 * tree-vectorizer.h (ternary_op): New enum value.
21641 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21642 declaration. Revised documentation. Removed redundant dump prints.
21643 Removed redundant argument. Added support for reduction patterns.
21644 (vectorizable_reduction): Added support for reduction patterns.
21645 (vect_transform_stmt): Added support for patterns.
21647 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21648 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21649 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21650 (expand_widen_pattern_expr): New function.
21651 (init_optabs): Initialize new optabs udot_prod_optab,
21653 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21654 (sdot_prod_optab, udot_prod_optab): Define new optabs.
21655 (expand_widen_pattern_expr): New function declaration.
21656 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21658 * tree-inline.c (estimate_num_insns_1): Added cases for new
21659 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21660 * tree-pretty-print.c (dump_generic_node): Likewise.
21661 (op_prio): Likewise.
21662 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21663 * tree-ssa-operands.c (get_expr_operands): Added case for
21665 * tree-vect-patterns.c (widened_name_p): New function.
21666 (vect_recog_dot_prod_pattern): Added function implementation.
21667 * tree-vect-transform.c (get_initial_def_for_reduction): Added
21668 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21669 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21670 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21672 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21673 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21674 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21675 (init_optabs): Initialize new optabs widen_ssum_optab,
21677 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21678 (widen_ssum_optab, widen_usum_optab): Define new optabs.
21679 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21680 use instead of type of def.
21681 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21682 function implementation.
21683 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21684 widen_ssumv8hi): New.
21686 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21689 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21692 * c-decl.c (add_flexible_array_elts_to_size): New function.
21693 (finish_decl): Use it.
21695 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
21697 * diagnostic.h: Include options.h.
21698 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21699 dependancies for diagnostic.h.
21700 * Makefile.in (DIAGNOSTIC_H): Add options.h.
21702 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
21704 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21705 (ssa_ro_call_cache_valid): Ditto.
21706 * tree-ssa-alias.c (sort_tags_by_id): New function.
21707 (init_transitive_clobber_worklist): Ditto.
21708 (add_to_worklist): Ditto.
21709 (mark_aliases_call_clobbered): Ditto.
21710 (compute_tag_properties): Ditto.
21711 (set_initial_properties): Ditto.
21712 (compute_call_clobbered): Ditto.
21713 (compute_may_aliases): Call compute_call_clobbered and grouping.
21714 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21715 (compute_flow_insensitive_aliasing): Grouping now happens in our
21717 (setup_pointers_and_addressables): Remove clobbering related code.
21718 (add_may_alias): Ditto.
21719 (replace_may_alias): Ditto.
21720 (get_nmt_for): Ditto.
21721 (create_global_var):
21722 (is_escape_site): Return an escape_type enumeration.
21723 * tree-flow-inline.h (is_call_clobbered): Global var does not
21724 imply call clobbered.
21725 (mark_call_clobbered): Take a reason for marking this. Remove
21726 marking of globalness, and cache invalidation.
21727 (clear_call_clobbered): Remove cache invalidation code.
21728 * tree-dfa.c (dump_variable): If details is on, dump the reason
21730 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21732 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21733 (struct var_ann_d): Ditto.
21734 (enum escape_type): New.
21735 (mark_call_clobbered): Adjust prototype.
21736 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21737 are never call clobbered.
21738 Record reasons for escaping.
21739 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21740 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21741 (ssa_ro_call_cache_valid): Ditto.
21742 (clobbered_v_may_defs): Ditto.
21743 (clobbered_vuses): Ditto.
21744 (ro_call_vuses): Ditto.
21745 (clobber_stats): New.
21746 (init_ssa_operands): Zero out clobber stats.
21747 (fini_ssa_operands): Print out clobber stats.
21748 (get_call_expr_operands): Pass callee fndecl to
21749 add_call_read_ops).
21750 (add_call_clobber_ops): Remove use of cache.
21751 Add use of PURE_CONST information.
21752 (add_call_read_ops): Remove use of cache.
21753 Add use of static not_read information.
21755 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21757 Introduce TLS descriptors for i386 and x86_64.
21758 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21759 (TARGET_ANY_GNU_TLS): New macro.
21760 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21761 (struct machine_function): Add tls_descriptor_call_expanded_p.
21762 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21763 (ix86_current_function_calls_tls_descriptor): Likewise.
21764 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21765 (override_options): Introduce gnu2 tls dialect.
21766 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21768 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21770 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21771 (ix86_init_machine_status): Initialize new field.
21772 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21773 (ix86_tls_module_base): New.
21774 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21775 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21776 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21777 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21778 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21779 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21780 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21781 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21782 * config/i386/predicates.md (tls_modbase_operand): New.
21783 (tp_or_register_operand): New.
21785 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21787 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21788 (look_for_address_of): Ditto.
21789 (ipa_init): Walk the function decls.
21790 (static_execute): Don't set readonly on FUNCTION_DECL's.
21792 2006-01-18 Roger Sayle <roger@eyesopen.com>
21794 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21795 for shifts where the source and destination registers are different.
21797 2006-01-18 Paul Brook <paul@codesourcery.com>
21799 Merge from csl-arm-branch.
21800 2005-03-14 Julian Brown <julian@codesourcery.com>
21801 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21802 (aeabi_llsl): Likewise.
21803 (ashrdi3): Likewise.
21804 (aeabi_lasr): Likewise.
21805 (lshrdi3): Likewise.
21806 (aeabi_llsr): Likewise.
21807 2005-03-10 Julian Brown <julian@codesourcery.com>
21808 * config.gcc: Disable shared libgcc for SymbianOS.
21809 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21811 2006-01-18 DJ Delorie <dj@redhat.com>
21813 * c-pragma.c (handle_pragma_diagnostic): New.
21814 (init_pragma): Register it.
21815 * doc/extend.texi: Document it.
21817 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21818 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21819 (diagnostic_context): Add classify_diagnostic[].
21820 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21821 as errors if they're overridden to DK_WARNING.
21822 (diagnostic_initialize): Initialize classify_diagnostic[].
21823 (diagnostic_set_kind_override): New.
21824 (diagnostic_report_diagnostic): Check for kind changes.
21825 * opts.c (common_handle_option): Take lang_mask. Update callers.
21826 Handle OPT_Werror_.
21827 * common.opt (Werror=): New.
21828 * doc/invoke.texi: Document -Werror=*
21830 2006-01-18 Jeff Law <law@redhat.com>
21832 * tree-vrp.c (test_for_singularity): Correct test for new
21833 min limit. Use operand_equal_p rather than pointer equality
21834 for testing if new min/max values are equal.
21836 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21837 using range information until after propagation and folding.
21839 2006-01-18 Richard Henderson <rth@redhat.com>
21840 Aldy Hernandez <aldyh@redhat.com>
21841 Jakub Jelinek <jakub@redhat.com>
21842 Diego Novillo <dnovillo@redhat.com>
21844 * omp-low.c: New file.
21845 * c-omp.c: New file.
21847 2006-01-18 Richard Henderson <rth@redhat.com>
21848 Jakub Jelinek <jakub@redhat.com>
21849 Diego Novillo <dnovillo@redhat.com>
21851 * doc/invoke.texi: Document -fopenmp.
21852 * tree-dump.h (debug_function): Declare.
21853 * hooks.c (hook_bool_tree_bool_false): New function.
21854 (hook_tree_tree_null): Remove.
21855 (hook_tree_tree_tree_null): New.
21856 * hooks.h: Update to match.
21857 * tree-pretty-print.c (debug_tree_chain): New.
21858 (print_generic_expr): Handle TDF_CHAIN.
21859 (dump_generic_node): Handle BLOCK.
21860 Do not abort with incomplete SWITCH_EXPRs.
21861 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21862 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21863 print space after directive name.
21864 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21865 Handle OMP_MASTER and OMP_ORDERED.
21866 Handle printing of OMP_BODY just in one place, goto
21867 dump_omp_body in the rest of OMP_* nodes that have
21869 Don't handle clause nodes here. Update omp statements to
21870 use dump_omp_clauses.
21871 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21872 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21873 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21874 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21875 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21876 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21877 Adjust output for GOMP_PARALLEL.
21878 (dump_omp_clauses): New.
21879 (print_declaration): Dump DECL_VALUE_EXPR.
21880 (op_symbol_1): Split out of op_symbol.
21881 (dumping_stmts): Remove. Update all users.
21882 * cgraph.c (cgraph_analyze_queue): New.
21883 (cgraph_add_new_function): New.
21884 * cgraph.h (cgraph_analyze_queue): Declare.
21885 (cgraph_add_new_function): Declare.
21886 (cgraph_lower_function): Remove.
21887 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21888 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21889 and TYPE_P nodes in its default clause.
21890 (empty_body_p): New.
21891 (tree_range_check_failed): New.
21892 (build5_stat): New.
21893 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21894 OMP_CLAUSE_REDUCTION_MERGE,
21895 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21896 OMP_CLAUSE_PRIVATE_DEBUG,
21897 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21898 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21899 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21900 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21901 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21902 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21903 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21904 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21905 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21906 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21907 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21908 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21909 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21910 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21911 (TREE_RANGE_CHECK): New.
21912 (empty_body_p): Declare.
21913 (enum omp_clause_default_kind): New.
21914 (build_string_literal): Declare.
21915 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21916 (build5_stat, build5): Declare.
21917 * tree-pass.h (TDF_CHAIN): Define.
21918 * tree-pass.h (PROP_gimple_lomp): Define.
21919 (pass_lower_omp): Declare.
21920 * diagnostic.h (debug_tree_chain): Declare.
21921 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21923 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21924 * builtins.c (build_string_literal): Make extern.
21925 * gcc.c (include_spec_function): New.
21926 (static_spec_functions): Add it.
21927 (main): Move load of libgomp.spec ...
21928 (LINK_COMMAND_SPEC): ... here.
21929 (link_gomp_spec): New.
21930 (static_specs): Include it.
21931 (LINK_COMMAND_SPEC): Add link_gomp.
21932 (GOMP_SELF_SPECS): New.
21933 (driver_self_specs): Include it.
21934 (switch_matches): Don't mark inline.
21935 (main): Load libgomp.spec.
21936 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21937 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21938 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21939 * tree-gimple.h (enum omp_parallel): Declare.
21940 (determine_parallel_type): Declare.
21941 (omp_firstprivatize_variable): Declare.
21942 (omp_reduction_init): Declare.
21943 (diagnose_omp_structured_block_errors): Declare.
21944 (struct walk_stmt_info): Add want_return_expr.
21945 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21946 (find_omp_clause): Declare.
21947 (insert_field_into_struct): Declare.
21948 (struct walk_stmt_info): Move from tree-nested.c
21949 (walk_stmts): Declare.
21950 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21952 * cgraphunit.c (cgraph_lower_function): Make static.
21953 (cgraph_finalize_pending_functions): New.
21954 (cgraph_finalize_function): Call it.
21955 (cgraph_finalize_compilation_unit): Likewise.
21956 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21957 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21958 (BT_FN_UINT_UINT): New.
21959 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21960 DEF_FUNCTION_TYPE_VAR_4): Document.
21961 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21962 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21963 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21964 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21965 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21966 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21967 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21968 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21969 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21970 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21971 into separate files.
21972 (DEF_GOMP_BUILTIN): New.
21973 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21974 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21975 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21976 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21977 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21978 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21979 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21980 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21981 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21982 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21983 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21984 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21985 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21986 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21987 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21988 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21989 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21990 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21991 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21992 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21993 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21994 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21995 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21996 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21997 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21998 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21999 * sync-builtins.def: New file, moved from builtins.def.
22000 * omp-builtins.def: New file, moved from builtins.def.
22001 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
22002 * gimple-low.c (lower_function_body): Clear data.
22003 (lower_stmt): Do not handle COMPOUND_EXPR.
22004 Remove call to print_node_brief.
22005 * c-tree.h (c_finish_omp_clauses): New prototype.
22006 (C_DECL_THREADPRIVATE_P): Define.
22007 (lookup_name_no_remap, c_omp_remap_private): Remove
22008 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
22009 (check_for_loop_decls): Update decl.
22010 (lookup_name_no_remap, c_omp_remap_private): Declare.
22011 (build_indirect_ref, build_modify_expr, pushdecl,
22012 pushdecl_top_level): Move to c-common.h.
22013 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
22014 before the switch, but just in the 2 places that need it.
22015 * c-decl.c (diagnose_mismatched_decls): Do not check for
22016 mismatched thread-local attributes when OLDDECL is marked
22017 threadprivate and NEWDECL has no thread-local attributes.
22018 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
22019 (c_gimple_diagnostics_recursively): Rename from
22020 c_warn_unused_result_recursively. Invoke
22021 diagnose_omp_structured_block_errors.
22022 (check_for_loop_decls): Return a singular decl found.
22023 * langhooks.c (lhd_omp_predetermined_sharing): Return
22024 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
22025 (lhd_omp_firstprivatize_type_sizes): New.
22026 (lhd_omp_assignment): New.
22027 (lhd_omp_predetermined_sharing): New.
22028 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
22029 (struct lang_hooks_for_types): Add
22030 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
22031 omp_predetermined_sharing, omp_disregard_value_expr,
22032 omp_private_debug_clause, omp_clause_default_ctor,
22033 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
22034 (c_finish_omp_clauses): New.
22035 (c_finish_bc_stmt): Diagnose break within omp for.
22036 (c_begin_omp_parallel, c_finish_omp_parallel): New.
22037 (build_unary_op): Return error_mark after reporting
22039 (build_modify_expr): Likewise.
22040 * gimplify.c: Include optabs.h and pointer-set.h.
22041 (enum gimplify_omp_var_data): Declare.
22042 (struct gimplify_omp_ctx): Declare.
22043 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
22045 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
22046 (push_gimplify_context, pop_gimplify_context): Allow nesting.
22047 (splay_tree_compare_decl_uid): New.
22048 (new_omp_context): New.
22049 (delete_omp_context): New.
22050 (gimple_add_tmp_var): Call omp_add_variable.
22051 (gimplify_bind_expr): Likewise.
22052 (gimplify_var_or_parm_decl): If omp_notice_variable returned
22053 true, disregard DECL_VALUE_EXPR on the decl if any.
22054 (gimplify_expr_in_ctx): New.
22055 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
22056 omp_add_variable, omp_notice_variable, omp_is_private
22057 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
22058 gimplify_adjust_omp_clauses, gimplify_omp_parallel
22059 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
22060 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
22061 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
22062 gimplify_omp_atomic): New.
22063 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
22064 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
22065 OMP_CRITICAL and OMP_ATOMIC.
22066 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
22067 * c-pragma.h (enum pragma_kind): Add
22068 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
22069 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
22070 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
22071 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
22072 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
22073 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
22074 PRAGMA_OMP_THREADPRIVATE.
22075 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
22076 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
22077 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
22078 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
22079 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
22080 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
22081 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
22082 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
22083 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
22084 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
22085 * tree-ssa-dce.c (find_control_dependence): Do not assume that
22086 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
22087 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
22089 (struct nesting_info): Add field_map,
22090 suppress_expansion, debug_var_chain.
22091 (create_nesting_tree): Initialize them.
22092 (lookup_field_for_decl): Use field_map.
22093 (get_nonlocal_debug_decl, get_local_debug_decl): New.
22094 (convert_local_omp_clauses): New.
22095 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
22096 (walk_body): Split out of walk_function.
22097 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
22098 (convert_nonlocal_reference): Handle omp statements.
22099 (convert_local_reference): Likewise.
22100 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
22101 (unnest_nesting_tree): New.
22102 (lower_nested_functions): Call it.
22103 (insert_field_into_struct): Make extern.
22104 (struct walk_stmt_info): Move to tree-gimple.h.
22105 (walk_stmts): Make extern.
22106 * omp-builtins.def: New file.
22107 * tree-iterator.c (expr_only): Clarify comment.
22108 * c-common.h (pushdecl_top_level, pushdecl,
22109 build_modify_expr, build_indirect_ref,
22110 c_finish_omp_master, c_finish_omp_critical,
22111 c_finish_omp_ordered, c_finish_omp_barrier,
22112 c_finish_omp_atomic, c_finish_omp_flush,
22113 c_finish_omp_for, c_split_parallel_clauses,
22114 omp_clause_default_kind, c_omp_sharing_predetermined,
22115 c_omp_remap_decl): Declare.
22116 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
22117 (OBJS-common): Add omp-low.o.
22118 (c-omp.o, omp-low.o): Add.
22119 (gimplify.o): Add dependency on $(OPTABS_H).
22120 (GTFILES): Add omp-low.c.
22121 (gt-stringpool.h): Add.
22122 * tree-cfg.c (set_bb_for_stmt): Do not update the
22123 block-to-labels map if we are currently expanding to RTL.
22124 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
22126 Handle IDENTIFIER_NODE.
22127 (tree_verify_flow_info): Do not ICE when emitting error
22128 messages about invalid labels.
22129 (dump_function_to_file): Reset CFUN before emitting the body
22131 (debug_function): New.
22132 * passes.c (init_optimization_passes): Schedule
22134 * langhooks-def.h (lhd_omp_predetermined_sharing,
22135 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
22137 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
22138 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
22139 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
22140 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
22141 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
22142 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
22143 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
22144 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
22145 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
22146 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
22147 (LANG_HOOK_DECLS): Use them.
22149 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
22150 Richard Henderson <rth@redhat.com>
22151 Jakub Jelinek <jakub@redhat.com>
22152 Diego Novillo <dnovillo@redhat.com>
22154 * c-parser.c (pragma_omp_clause): Define.
22155 (c_parser_declaration_or_fndef): Document OpenMP syntax.
22156 (c_parser_compound_statement): Likewise.
22157 (c_parser_statement): Likewise.
22158 (c_parser_pragma): Handle omp pragmas.
22159 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
22160 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
22161 (c_parser_omp_clause_name, check_no_duplicate_clause,
22162 c_parser_omp_variable_list,
22163 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
22164 c_parser_omp_clause_copyprivate,
22165 c_parser_omp_clause_default,
22166 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
22167 c_parser_omp_clause_lastprivate,
22168 c_parser_omp_clause_nowait,
22169 c_parser_omp_clause_num_threads,
22170 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
22171 c_parser_omp_clause_reduction,
22172 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
22173 c_parser_omp_all_clauses, c_parser_omp_structured_block,
22174 c_parser_omp_atomic, c_parser_omp_barrier,
22175 c_parser_omp_critical, c_parser_omp_flush,
22176 c_parser_omp_for_loop, c_parser_omp_for,
22177 c_parser_omp_master, c_parser_omp_ordered,
22178 c_parser_omp_sections_scope, c_parser_omp_sections,
22179 c_parser_omp_parallel, c_parser_omp_single,
22180 c_parser_omp_construct, c_parser_omp_threadprivate): New.
22181 * c-pragma.c (init_pragma): Do omp pragma registration here.
22182 * c.opt (fopenmp): New flag.
22184 2006-01-18 Eric Christopher <echristo@apple.com>
22186 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
22187 * config/darwin.h (GOMP_SELF_SPECS): Define.
22189 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22191 * rtl.h: Remove the prototype for reg_alloc.
22193 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22196 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
22197 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
22198 sjlj and dwarf2 exception handling.
22199 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
22200 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
22201 * pa/pa.c (function_value): Treat complex and vector types as
22203 (function_arg): Likewise. Only pass scalar floats in the floating
22204 point argument registers.
22205 * pa/t-slibgcc-dwarf-ver: New file.
22206 * pa/t-slibgcc-sjlj-ver: New file.
22207 * pa/t-slibgcc-elf-ver: Delete file.
22209 2006-01-19 Alan Modra <amodra@bigpond.net.au>
22211 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
22212 unlikely_test_section_p test.
22214 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22216 * mode-switching.c (optimize_mode_switching): Make it static.
22217 * basic-block.h: Remove the prototype for
22218 optimize_mode_switching.
22220 * modulo-sched.c (sms_schedule): Make it static.
22221 * rtl.h: Remove the prototype for sms_schedule.
22223 * postreload-gcse.c (gcse_after_reload_main): Make it static.
22224 * rtl.h: Remove the prototype for gcse_after_reload_main.
22226 * reg-stack.c (reg_to_stack): Make it static.
22227 * rtl.h: Remove the prototype for reg_to_stack.
22229 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
22231 * rtl.h: Remove the prototypes for regrename_optimize and
22232 copyprop_hardreg_forward.
22234 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
22236 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
22237 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
22238 Test against the appropriate null constant for the mode.
22239 If 'fixup_overlap' is true, swap the operands if they overlap.
22240 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
22241 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
22242 alpha_split_tmode_pair and adjust for above change.
22243 * config/alpha/alpha.md (movtf_internal): Adjust call to
22244 alpha_split_tfmode_pair and rely on it to swap the operands.
22245 (movti_internal): New insn and post-reload splitter.
22246 (movti): New expander.
22248 2006-01-18 Philippe De Muyter <phdm@macqel.be>
22250 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
22253 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22255 * rtlanal.c (global_reg_mentioned_p_1,
22256 global_reg_mentioned_p): Remove.
22257 * rtl.h: Remove the prototype for global_reg_mentioned_p.
22259 * flow.c (initialize_uninitialized_subregs): Make it static.
22260 * rtl.h: Remove the prototype for
22261 initialize_uninitialized_subregs.
22263 * function.c (instantiate_virtual_regs): Make it static.
22264 * function.h: Remove the prototype for
22265 instantiate_virtual_regs.
22267 * regmove.c (regmove_optimize, combine_stack_adjustments):
22269 * rtl.h: Remove the prototypes for regmove_optimize and
22270 combine_stack_adjustments.
22272 2006-01-17 Roger Sayle <roger@eyesopen.com>
22274 * config/i386/i386.c (COSTS_N_BYTES): New macro.
22275 (size_cost): Encode costs in bytes so that a reg-reg addition is
22276 equivalent to COSTS_N_INSNS(1).
22277 (override_options): Use the size_cost.branch_cost as the default
22278 ix86_branch_cost when optimizing for size.
22280 2006-01-18 Ben Elliston <bje@au.ibm.com>
22282 * Makefile.in (D32PBIT_FUNCS): New.
22283 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
22284 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
22285 D64PBIT_FUNCS and D128PBIT_FUNCS.
22286 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
22287 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
22289 (decnumber_dep): Define.
22290 * doc/libgcc.texi (Decimal float library routines): New node.
22291 * config/dfp-bit.h, config/dfp-bit.c: New files.
22293 2006-01-18 Ben Elliston <bje@au.ibm.com>
22295 * expr.c (emit_move_change_mode): Always adjust addresses, not
22296 just during reload. Copy replacements only during reload.
22297 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
22298 emit_move_via_integer.
22300 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
22302 * Makefile.in (check-%, check-consistency): Use $${srcdir}
22303 instead of $(srcdir) and ${srcdir}.
22305 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
22308 PR middle-end/11135
22309 * arm.h (struct machine_function): Add pic_reg.
22310 * arm.c (arm_pic_register): Make unsigned.
22311 (arm_override_options): Only set arm_pic_register if
22312 TARGET_SINGLE_PIC_BASE.
22313 (use_return_insn): Only test for a pic register if it is fixed.
22314 (arm_compute_save_reg0_reg12_mask): Likewise.
22315 (thumb_compute_save_reg_mask): Likewise.
22316 (legitimate_pic_operand): Factor out some known invariants.
22317 (legitimize_pic_address): If we don't have a fixed pic register,
22318 then set up a pseudo in the function entry sequence. Handle the
22319 pic base being in a pseudo.
22320 (arm_load_pic_register): Handle the pic register being in a pseudo.
22321 (arm_expand_prologue): Only set up the pic register if it is fixed.
22322 (thumb_expand_prologue): Likewise.
22323 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
22324 (pic_load_addr_based_insn): Likewise.
22325 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
22328 2006-01-18 Ben Elliston <bje@au.ibm.com>
22330 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
22331 decimal float modes for all floating point registers.
22333 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
22334 match_code "mem" with match_test "macho_lo_sum_memory_operand".
22336 2006-01-17 Jakub Jelinek <jakub@redhat.com>
22339 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
22340 even when the pointer is not NULL.
22342 2006-01-16 Ian Lance Taylor <ian@airs.com>
22344 * common.opt (ftoplevel-reorder): New option.
22345 * cgraph.c (cgraph_asm_nodes): New global variable.
22346 (cgraph_asm_last_node): New static variable.
22347 (cgraph_order): New global variable.
22348 (cgraph_create_node): Set new order field.
22349 (cgraph_varpool_node): Likewise.
22350 (decide_is_variable_needed): Return true if not
22351 flag_toplevel_reorder.
22352 (cgraph_add_asm_node): New function.
22353 * cgraph.h (struct cgraph_node): Add order field.
22354 (struct cgraph_varpool_node): Add order field.
22355 (struct cgraph_asm_node): Define.
22356 (cgraph_asm_nodes, cgraph_order): Declare.
22357 (cgraph_add_asm_node): Declare.
22358 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
22360 (cgraph_varpool_assemble_pending_decls): Call it.
22361 (cgraph_output_pending_asms): New static function.
22362 (cgraph_finalize_compilation_unit): Call it.
22363 (struct cgraph_order_sort): Define.
22364 (cgraph_output_in_order): New static function.
22365 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
22366 !flag_toplevel_reorder case.
22367 * c-parser.c: Include "cgraph.h".
22368 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
22370 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
22371 than -fno-unit-at-a-time.
22372 * doc/invoke.texi (Option Summary): Mention
22373 -fno-toplevel-reorder.
22374 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
22375 -funit-at-a-time documentation.
22377 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
22378 Kazu Hirata <kazu@codesourcery.com>
22380 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
22382 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
22384 * Makefile.in (FUNCTION_H): New. Use it instead of
22385 function.h throughout the file.
22386 * function.h: Include tree.h.
22388 2006-01-17 Ben Elliston <bje@au.ibm.com>
22390 * recog.c: Separate some functions with whitespace.
22392 2006-01-16 Richard Henderson <rth@redhat.com>
22394 Merge from gomp branch:
22395 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
22396 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
22397 and rename from struct inline_data. Rename callee* to dst*;
22398 caller* to src*; add copy_decl hook, transform_call_graph_edges,
22399 transform_new_cfg, transform_return_to_modify, and
22400 transform_lang_insert_block flags; remove cloning_p, versioning_p,
22402 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
22403 (copy_decl_for_dup): Remove.
22404 * tree-inline.c (struct inline_data): Move to header.
22405 (insert_decl_map): Export.
22406 (remap_decl): Update for member name changes. Use copy_decl hook.
22407 Allow for replacement to be a non-decl. Remove dead code.
22408 (remap_type_1): Check for existing mapping.
22409 (remap_type): Export.
22410 (remap_decls): Update for member name changes.
22411 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
22412 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
22413 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
22414 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
22415 (tree_function_versioning, build_duplicate_type): Likewise.
22416 (copy_body_r): Likewise. Export.
22417 (copy_decl_for_dup): Split into ...
22418 (copy_decl_for_dup_finish, copy_decl_to_var,
22419 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
22420 (replace_ref_tree, inlining_p): Remove.
22422 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22424 * ifcvt.c (if_convert): Make it static.
22425 * rtl.h: Remove the prototype for if_convert.
22427 * local-alloc.c (local_alloc): Make it static.
22428 * rtl.h: Remove the prototype for local_alloc.
22430 * loop.c (loop_optimize): Make it static.
22431 * cfgloop.h: Remove the prototype for loop_optimize.
22434 2006-01-16 DJ Delorie <dj@redhat.com>
22436 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
22439 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22441 * pa.md: Disparage copies between general and floating-point registers
22442 in 32-bit move patterns.
22444 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
22447 * Makefile.in (check-%): Depend on site.exp instead of
22448 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
22451 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22453 * global.c (global_alloc): Make it static.
22454 * rtl.h: Remove the prototype for global_alloc.
22456 2006-01-16 Richard Guenther <rguenther@suse.de>
22458 * tree-ssa-alias.c (struct used_part): Add write_only field.
22459 (get_or_create_used_part_for): Initialize it to true.
22460 (create_overlap_variables_for): Don't create structure variables
22461 for structures that only are written to.
22462 (find_used_portions): Handle MODIFY_EXPR to track whether a
22463 structure is only written to.
22465 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22467 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
22469 * basic-block.h: Remove the prototype for
22470 partition_hot_cold_basic_blocks.
22472 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
22474 * cppspec.c (lang_specific_spec_functions): Remove.
22475 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
22476 * gcc.h (lang_specific_spec_functions): Remove.
22477 * gccspec.c (lang_specific_spec_functions): Remove.
22479 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
22481 * combine.c (record_value_for_reg): Invalidate registers
22483 (record_dead_and_set_regs_1): Likewise, by passing them to
22484 record_value_for_reg.
22485 (record_dead_and_set_regs): Invalidate stores made by a
22486 call. We do not combine across a call, but we still
22487 relied on equivalences.
22489 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22491 * tree-vrp.c (extract_range_from_binary_expr): Cope with
22492 vrp_int_const_binop returning non-constant nodes.
22494 2006-01-16 Paul Brook <paul@codesourcery.com>
22496 * config/m68k/m68k.c (output_move_const_into_data_reg):
22497 Output correct mnemonic for mvz and mvs.
22499 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
22501 * rtl-factoring.c: Add sequence abstraction algorithm.
22502 * cfgcleanup.c (outgoing_edges_match): Extra checks.
22503 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
22505 (block_has_preserve_label): New function.
22506 * common.opt: Register new pass.
22507 * Makefile.in: Ditto.
22509 * timevar.def: Ditto.
22510 * tree-pass.h: Ditto.
22511 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
22512 * rtl.h (make_jump_insn_raw): Add forward decl.
22513 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
22515 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22516 Roger Sayle <roger@eyesopen.com>
22518 * fold-const.c (fold_minmax): New static function.
22519 (fold_binary) <MIN_EXPR>: Call it.
22520 <MAX_EXPR>: Likewise.
22521 * stor-layout.c (place_field): Use DECL_SIZE consistently
22522 in the computation of the new record size.
22524 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22526 * cse.c (cse_condition_code_reg): Make it static.
22527 * rtl.h: Remove the prototype for cse_condition_code_reg.
22529 * combine.c (combine_instructions): Make it static.
22530 * rtl.h: Remove the prototype for combine_instructions.
22532 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22535 * tree.c (get_file_function_name_long): Concatenate the first global
22536 object name with a string derived from the input filename of the object
22539 2006-01-16 Ben Elliston <bje@au.ibm.com>
22541 * config/i386/winnt-stubs.c: Update FSF address.
22542 * config/xtensa/ieee754-df.S: Ditto.
22543 * config/xtensa/ieee754-sf.S: Ditto.
22545 2006-01-14 Ian Lance Taylor <ian@airs.com>
22547 * ifcvt.c (noce_init_if_info): New static function, broken out of
22548 noce_process_if_block.
22549 (noce_process_if_block): Call noce_init_if_info.
22550 (check_cond_move_block): New static function.
22551 (cond_move_process_if_block): New static function.
22552 (process_if_block): Call cond_move_process_if_block.
22554 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
22556 * cselib.c (hash_table): Rename to cselib_hash_table.
22557 (cselib_clear_table, discard_useless_values,
22558 remove_useless_values, cselib_lookup_mem, cselib_lookup,
22559 cselib_init, cselib_finish): Adjust uses of hash_table.
22561 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
22563 PR tree-optimization/25485
22564 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
22565 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
22566 is known to be false and true, respectively.
22568 2006-01-14 Richard Guenther <rguenther@suse.de>
22570 PR tree-optimization/22548
22571 PR tree-optimization/22555
22572 PR tree-optimization/22501
22573 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
22574 * params.def (salias-max-array-elements): New parameter.
22575 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
22576 * doc/invoke.texi (salias-max-array-elements): Document.
22577 * tree-flow-inline.h (var_can_have_subvars): We also handle
22579 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22581 * tree-ssa-structalias.c (params.h): Include.
22582 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
22583 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
22584 (get_constraint_for): For ADDR_EXPR operating on something
22585 containing an ARRAY_REF, add all subvars to the solution.
22586 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
22587 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
22588 for creating MUST_DEFs.
22589 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22591 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
22593 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22595 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
22596 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22597 number_of_iterations_le): New functions.
22598 (number_of_iterations_special): Removed.
22599 (number_of_iterations_exit): Do not use number_of_iterations_special.
22600 * tree.c (unsigned_type_for): Always return integer type.
22602 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
22603 Richard Guenther <rguenther@suse.de>
22605 PR rtl-optimization/24257
22606 * gcse.c (find_moveable_store): Only consider a store movable
22607 when the SET_SRC of the insn can be assigned to a register.
22609 2006-01-14 Ian Lance Taylor <ian@airs.com>
22611 * tree.c (tree_not_class_check_failed): New function.
22612 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22613 (tree_not_class_check_failed): Declare.
22615 2006-01-13 Ian Lance Taylor <ian@airs.com>
22617 * reload1.c (do_output_reload): Add assertion rejecting a
22620 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
22622 * combine.c (struct reg_stat): Add new fields truncation_label and
22624 (record_value_for_reg): Reset truncated_to_mode.
22625 (record_truncated_value): New function.
22626 (check_promoted_subreg): Call it. Rename to check_conversions.
22627 (combine_instructions): Rename check_promoted_subreg to
22629 (reg_truncated_to_mode): New function.
22630 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
22631 (gen_lowpart_or_truncate): New function.
22632 (force_to_mode): Use it instead of gen_lowpart.
22634 2006-01-13 Diego Novillo <dnovillo@redhat.com>
22636 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
22637 VAR is a tag, not its type tag.
22639 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
22641 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22642 alternatives to match style of other entries.
22643 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
22645 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
22647 PR tree-optimization/25771
22648 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22651 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
22654 * tree-inline.c (declare_return_variable): If the return variable
22655 was marked as a non gimple complex, set the return slot variable
22656 to be a non gimple comple variable.
22658 2006-01-13 Richard Guenther <rguenther@suse.de>
22660 * builtins.c (expand_builtin_sincos): New function.
22661 (expand_builtin_mathfn_3): Remove dead code, sin and cos
22663 (expand_builtin): Expand sincos using expand_builtin_sincos.
22665 2006-01-12 DJ Delorie <dj@redhat.com>
22667 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22668 shift counts, separate SI shifts for m32c vs m16c, pass shift type
22669 so that constant shifts can be split.
22670 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22671 (m32c_valid_pointer_mode): Make static.
22672 (shift_gen_func_for): New.
22673 (m32c_prepare_shift): Use it. Split large const shifts into
22675 * config/m32c/predicates.md (shiftcount_operand): Allow more
22677 (longshiftcount_operand): New.
22678 * doc/md.texi (Machine Constraints): Document In6.
22680 2006-01-13 Ben Elliston <bje@au.ibm.com>
22682 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22683 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22686 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
22688 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22689 to try to avoid clobbering pieces of structures when we know
22690 something about the whole structure.
22691 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22693 2006-01-13 Ben Elliston <bje@au.ibm.com>
22695 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22696 return in memory, as this is no limitation is no longer present.
22698 2006-01-12 DJ Delorie <dj@redhat.com>
22700 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22701 mova with fb, and for fb+0 -> An.
22703 * config/m32c/mov.md (peephole2): Fix enabling logic.
22705 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22706 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22707 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22708 FINI_ARRAY_SECTION_ASM_OP): Define.
22710 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22712 (m32c_legitimize_reload_address): New logic to reload FB to An.
22713 (m32c_output_reg_push): Add newline.
22714 (m32c_output_reg_pop): Likewise.
22716 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22718 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22720 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22722 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22724 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22726 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22729 2006-01-11 Ben Elliston <bje@au.ibm.com>
22731 * rtlanal.c (find_reg_note): Assert insn is not null.
22733 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22735 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22738 2006-01-11 Jeff Law <law@redhat.com>
22740 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22742 (mark_threaded_blocks, register_jump_thread): New functions.
22743 (thread_through_all_blocks): Remove unwanted argument. No
22744 longer rely on e->aux to communicate thread target info.
22745 Call mark_threaded_blocks. Release the threaded_blocks
22746 bitmap and threaded_edges vector when complete.
22747 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22748 (threaded_blocks): Remove.
22749 (tree_ssa_dominator_optimize): Remove initialization and
22750 finalization of threaded_blocks. Simplify call to
22751 thread_through_all_blocks.
22752 (thread_across_edge): Call register_jump_thread rather than
22753 storing thread information into e->aux.
22754 (free_all_edge_infos): Simplify now that e->aux is no longer
22755 used to communicate with thread_through_all_blocks.
22756 * tree-flow.h (thread_through_all_blocks): Update prototype.
22757 (register_jump_thread): Prototype.
22759 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22761 * df-core.c (df_compact_blocks, df_bb_replace): Use
22762 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22764 2006-01-11 Richard Guenther <rguenther@suse.de>
22766 PR tree-optimization/25734
22767 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22768 stop propagation after successful propagation to the LHS.
22770 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22772 * basic-block.h (control_flow_graph): Change the type of
22773 x_basic_block_info to VEC(basic_block,gc) *.
22774 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22776 (SET_BASIC_BLOCK): New.
22777 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22778 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22779 * cfgbuild.c (find_basic_blocks): Likewise.
22780 * cfglayout.c (fixup_reorder_chain): Likewise.
22781 * cfgrtl.c (create_basic_block_structure,
22782 rtl_create_basic_block): Likewise.
22783 * ifcvt.c (find_if_case_1): Likewise.
22784 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22787 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22789 * Makefile.in: Removed rotted odf.c entry.
22791 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22794 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22795 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22796 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22797 output pattern modifier, not %e.
22798 * config/cris/cris.c (cris_op_str): Update comment about pattern
22800 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22801 before falling through into...
22802 <case 'E'>: Redefined from old 'e' case.
22804 2006-01-11 Jan Hubicka <jh@suse.cz>
22807 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22809 2006-01-11 Jan Hubicka <jh@suse.cz>
22811 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22812 * i386.c (x86_decompose_lea): Kill.
22813 (ix86_rtx_costs): Kill.
22815 2006-01-11 Jan Hubicka <jh@suse.cz>
22817 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22818 * cgraph.h (cgraph_node): Add inline_decl.
22819 (cgraph_insert_node_to_hashtable): Declare.
22820 (save_inline_function_body): Declare.
22821 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22823 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22824 (cgraph_function_versioning): Update call of tree_function_versioning.
22825 (save_inline_function_body): New function.
22826 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22827 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22828 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22829 (cgraph_default_inline_p): Likewise.
22830 (cgraph_decide_inlining_incrementally): Likewise.
22831 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22832 (copy_bb): Kill saving; do updating of clones.
22833 (copy_cfg_body): Kill saving.
22834 (initialize_inlined-parameters): Likewise.
22835 (expand_call_inline): Likewise.
22837 (tree_function_versioning): New parameter "update_clones".
22838 (inlining_p): Kill saving.
22839 * tree-inline.h (tree_function_versioning): Update prototype.
22840 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22843 2006-01-11 Ian Lance Taylor <ian@airs.com>
22845 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22846 Allow undoing set of machine mode.
22847 (do_SUBST): Use enums instead of is_int.
22848 (do_SUBST_MODE): New function.
22849 (SUBST_MODE): New macro.
22850 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22851 reg and trying to replace reg_regno_rtx with a new register.
22852 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22853 (simplify_set): Use SUBST_MODE.
22854 (distribute_notes): Remove code that tried to update reg notes
22855 for regno_reg_rtx changes.
22857 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22859 PR tree-optimization/23109
22860 PR tree-optimization/23948
22861 PR tree-optimization/24123
22863 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22864 * tree-cfg.c (single_noncomplex_succ): New.
22865 * tree-flow.h (single_noncomplex_succ): Declare it.
22866 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22867 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22868 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22869 insert_bb, register_division_in, insert_reciprocals,
22870 replace_reciprocal, free_bb): New.
22871 (execute_cse_reciprocals_1): Rewritten.
22872 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22873 Do not commit any edge insertion. Always compute dominators and
22874 create the allocation pool.
22875 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22876 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22877 * targhooks.c (default_min_divistions_for_recip_mul): New.
22878 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22879 * passes.c (init_optimization_passes): Run recip after tree loop
22881 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22883 2006-01-11 Danny Berlin <dberlin@dberlin.org>
22884 Kenneth Zadeck <zadeck@naturalbridge.com>
22886 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22887 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22888 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22889 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22890 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22891 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22892 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22893 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22894 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22895 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22896 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22897 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22898 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22899 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22900 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22901 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22902 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22903 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22904 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22905 DF_SCAN_POST_ALLOC): New macros.
22906 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22907 df_free_bb_function, df_local_compute_function, df_init_function,
22908 df_dataflow_function, df_confluence_function_0,
22909 df_confluence_function_n, df_transfer_function,
22910 df_finalizer_function, df_free_function, df_dump_problem_function,
22911 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22912 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22913 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22914 df_urec_bb_info, ) New types.
22915 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22917 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22918 df_analyze_simple_change_some_blocks,
22919 df_analyze_simple_change_one_block, df_compact_blocks,
22920 df_bb_replace, df_bb_regno_last_use_find,
22921 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22922 df_insn_regno_def_p, df_find_def, df_find_use,
22923 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22924 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22925 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22926 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22927 debug_df_chain, df_get_dependent_problem, df_chain_create,
22928 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22929 df_grow_bb_info, df_chain_dump, df_print_bb_index,
22930 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22931 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22932 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22933 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22934 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22935 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22936 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22937 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22938 df_reorganize_refs, df_set_state, df_hard_reg_init,
22939 df_read_modify_subreg_p) New public functions.
22940 * df-core.c: The core dataflow solver and glue routines for rtl
22942 (df_init, df_add_problem, df_set_blocks, df_finish,
22943 df_hybrid_search_forward, df_hybrid_search_backward,
22944 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22945 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22946 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22947 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22948 df_reg_defined, df_find_use, df_reg_used, df_dump,
22949 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22950 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22951 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22952 debug_df_useno, reset_df_after_reload): New functions.
22953 * df-scan.c: The scanning fuctions, once in df.c, completely
22954 rewritten so that they now fully model the functionality of
22955 register usage at the backend.
22956 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22957 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22958 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22959 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22960 df_get_artificial_defs, df_get_artificial_uses,
22961 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22962 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22963 df_refs_delete, df_reorganize_refs, df_set_state,
22964 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22965 df_def_record_1, df_defs_record, df_uses_record,
22966 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22967 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22968 df_record_exit_block_uses, df_hard_reg_init): New functions.
22970 * df-problems.c: Seven concrete dataflow problems that use the
22971 scanning in df-scan.c and are solved by the engine in df-core.c.
22972 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22973 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22974 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22975 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22976 df_ru_free_bb_info, df_ru_alloc,
22977 df_ru_bb_local_compute_process_def,
22978 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22979 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22980 df_ru_transfer_function, df_ru_free, df_ru_dump,
22981 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22982 df_rd_free_bb_info, df_rd_alloc,
22983 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22984 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22985 df_rd_transfer_function, df_rd_free, df_rd_dump,
22986 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22987 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22988 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22989 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22990 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22991 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22992 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22993 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22994 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22995 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22996 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22997 df_urec_mark_reg_use_for_earlyclobber,
22998 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22999 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
23000 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
23001 df_urec_dump, df_urec_add_problem, df_chain_alloc,
23002 df_chain_create_bb_process_use, df_chain_create_bb,
23003 df_chain_finalize, df_chain_free, df_chains_dump,
23004 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
23005 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
23006 df_reg_lifetime): New functions.
23007 * df.c: Deleted file.
23008 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
23009 consistent with new df api.
23010 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
23011 rest_of_handle_sms): Ditto.
23012 * web.c (unionfind_union, union_defs, entry_register, web_main):
23014 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
23015 invariant_expr_equal_p, find_defs, check_dependencies,
23016 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
23017 free_inv_motion_data, move_loop_invariants): Ditto.
23018 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
23019 Update dependencies.
23020 (odf.c): Added defective entry that was deleted later in day.
23021 * sched-deps.c (sched_analyze_1): Ditto.
23023 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
23025 * tree-ssa-operands.c (get_expr_operands): Record addressable
23026 variables directly. Do not call add_stmt_operands for CONST_DECLs
23028 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
23029 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
23031 2006-01-11 Ben Elliston <bje@au.ibm.com>
23033 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
23034 function returns true in the positive case.
23036 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
23039 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
23040 for SI, DI, SF and DF modes. Add alternatives to copy between
23041 general and floating point registers to the 32-bit patterns.
23042 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
23043 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
23044 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
23045 generating 64-bit code.
23046 * config/pa/pa.c (output_move_double): Handle copies between general
23047 and floating registers.
23049 2006-01-10 Stuart Hastings <stuart@apple.com>
23051 * config/i386/i386.md (set_got): Update.
23052 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
23053 (builtin_setjmp_receiver): Mach-O support.
23054 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
23055 (GOT_SYMBOL_NAME): Define.
23056 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
23057 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
23058 * config/i386/i386.c (override_options): Revise for Darwin.
23059 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
23060 support. (darwin_x86_file_end): New. (output_set_got): Add label
23061 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
23062 * config/i386/i386-protos.h (output_set_got): Likewise.
23063 * config/darwin.c (machopic_legitimize_pic_address): Update
23066 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
23068 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
23069 when MODE isn't BLKmode.
23071 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
23073 PR rtl-optimization/25367
23074 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
23076 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
23079 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
23080 for a negative bound.
23082 2006-01-10 Richard Guenther <rguenther@suse.de>
23084 * tree-ssa-structalias.c (get_constraint_for_component_ref):
23085 Never override with anything constraint.
23087 2006-01-10 Jan Beulich <jbeulich@novell.com>
23089 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
23090 256 bits when optimize_size.
23092 2006-01-10 Jan Beulich <jbeulich@novell.com>
23094 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
23096 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
23097 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
23100 2006-01-10 Ben Elliston <bje@au.ibm.com>
23102 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
23104 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
23105 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
23106 (USE_FP_FOR_ARG): Reject decimal float modes.
23107 (function_arg_advance): Likewise.
23108 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
23109 (rs6000_handle_altivec_attribute): Do not permit decimal floating
23110 point types in AltiVec vectors.
23111 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
23112 (rs6000_libcall_value): Likewise.
23114 2006-01-09 Bob Wilson <bob.wilson@acm.org>
23116 * config/xtensa/ieee754-df.S: New file.
23117 * config/xtensa/ieee754-sf.S: New file.
23118 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
23119 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
23120 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
23122 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
23124 * config/sh/predicates.md (binary_float_operator,
23125 binary_logical_operator, commutative_float_operator,
23126 equality_comparison_operator, greater_comparison_operator,
23127 less_comparison_operator, logical_operator,
23128 noncommutative_float_operator, shift_operator,
23129 symbol_ref_operand, unary_float_operator): Remove redundant
23132 2006-01-09 Jeff Law <law@redhat.com>
23134 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
23135 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
23136 now unused arguments. Callers updated.
23137 (eliminate_redundant_computations): Remove now unused arguments,
23139 (local_fold): Remove, no longer used.
23140 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
23142 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
23143 (simplify_cond): New function.
23144 (forward_propagate_into_cond): Call simplify_cond.
23146 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
23148 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
23149 (*vec_extractv2di_1_sse): New.
23151 2006-01-09 Ben Elliston <bje@au.ibm.com>
23153 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
23155 2006-01-08 Richard Guenther <rguenther@suse.de>
23157 * tree-ssa-structalias.c (get_constraint_for): Remove
23158 anyoffset argument.
23159 (get_constraint_for_component_ref): Likewise.
23160 (do_deref): Likewise.
23161 (get_constraint_for): Likewise.
23162 (do_structure_copy): Likewise.
23163 (handle_ptr_arith): Likewise.
23164 (find_func_aliases): Likewise. Remove unused need_anyoffset
23167 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
23168 Kaz Kojima <kkojima@gcc.gnu.org>
23170 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
23171 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
23172 (EXTRA_CONSTRAINT_C16): Remove.
23173 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
23174 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
23175 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
23176 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
23177 constants of SHmedia. Handle nested constant expressions of
23179 (andcosts): Fix the costs for SHmedia constants.
23180 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
23181 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
23182 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
23183 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
23184 (movv4hi_i, movv2si_i): Likewise.
23185 (movsi_const): Adjust the second operand of ior so to match with
23186 the Csu constraint.
23187 (movdi_const, movdi_const_32bit): Likewise.
23188 (movdi_const_16bit+1): Don't sign-extend LOW.
23189 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
23191 (*double_shori): Fix the split condition. Use GEN_INT instead
23192 of get_int_mode calls. Mask lower 16-bit of the argument of
23194 (sym2GOTPLT): Remove.
23195 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
23197 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
23198 instead of EXTRA_CONSTRAINT_C16.
23200 2006-01-07 Ian Lance Taylor <ian@airs.com>
23201 David Edelsohn <edelsohn@gnu.org>
23203 PR rtl-optimization/25662
23204 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
23205 for constant operands instead of simplify_gen_binary.
23206 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
23207 after trying simplify_binary_operation
23209 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
23211 * tree.c (iterative_hash_expr): Hash decls based on UID.
23213 2006-01-06 Eric Christopher <echristo@apple.com>
23215 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
23216 (TARGET_UNWIND_EMIT): Fix spelling.
23217 * target.h (gcc_target): Add except_table_label.
23218 * except.c (output_function_exception_table): Use.
23219 * varasm.c (default_emit_except_table_label): New.
23220 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
23222 (asm_out): Add here.
23223 * output.h (default_emit_except_table_label): Prototype.
23224 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
23225 * config/darwin.c (darwin_emit_except_table_label): Define.
23226 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
23228 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
23230 PR tree-optimization/18527
23231 * tree-ssa-loop-niter.c (number_of_iterations_cond,
23232 number_of_iterations_special, number_of_iterations_exit):
23233 Move base and step of an iv to a single structure. Add
23234 no_overflow flag, and use it in # of iterations analysis.
23235 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
23236 folded_casts argument.
23237 (simple_iv): Pass base and step in a structure. Set no_overflow
23239 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
23240 Evaluate expensiveness of computing # of iterations instead of
23241 the final expression.
23242 * tree-scalar-evolution.h (affine_iv): New structure.
23243 (simple_iv): Declaration changed.
23244 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
23245 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
23246 find_givs_in_stmt): Changed due to simple_iv change.
23248 2006-01-06 Jeff Law <law@redhat.com>
23251 * tree-cfg.c (bsi_replace): Rename final argument from
23252 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
23253 change (stmt -> orig_stmt).
23254 * tree-eh.c (verify_eh_throw_stmt_node): New function.
23255 (bsi_remove): Add new argument. Remove EH information
23257 (verify_eh_throw_table_statements): New function.
23258 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
23260 * tree-optimize.c (execute_free_cfg_annotations): Verify
23261 the EH throw statement table after removing annotations.
23262 * except.h (verify_eh_throw_table_statements): Prototype.
23263 * tree-flow.h (bsi_remove): Update prototype.
23264 * tree-vrp.c (remove_range_assertions): Add new argument to
23266 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
23267 * tree-complex.c (expand_complex_div_wide): Likewise.
23268 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
23269 * tree-tailcall.c (eliminate_tailcall): Likewise.
23270 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
23271 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
23272 * tree-nrv.c (tree_nrv): Likewise.
23273 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
23274 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
23275 (combine_blocks): Likewise.
23276 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
23277 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
23278 (cleanup_control_flow): Likewise.
23279 (remove_forwarder_block): Likewise.
23280 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
23281 * tree-sra.c (sra_replace): Likewise.
23282 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
23283 (forward_propagate_single_use_vars): Likewise.
23284 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
23285 * tree-inline.c (expand_call_inline): Likewise.
23286 * tree-vect-transform.c (vect_transform_loop): Likewise.
23287 * tree-outof-ssa.c (rewrite_trees): Likewise.
23288 * tree-cfg.c (make_goto_expr_edges): Likewise.
23289 (cleanup_dead_labels): Likewise.
23290 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
23291 (bsi_move_before, bsi_move_after): Likewise.
23292 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
23293 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
23295 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
23298 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
23300 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
23301 on non gimple variables. Also add checks at the top for decls and
23303 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
23305 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
23306 and IMAGPART_EXPR for creating MUST_DEFs.
23307 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
23308 and NAME_MEMORY_TAG separately from the DECLs.
23310 2006-01-06 Richard Guenther <rguenther@suse.de>
23312 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
23313 annotation, if necessary.
23314 * tree-ssa-pre.c (create_expression_by_pieces): Remove
23315 redundant calls to update_stmt.
23316 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
23319 2006-01-05 Richard Henderson <rth@redhat.com>
23321 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
23323 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
23325 * c-typeck.c: Update copyright date.
23327 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
23329 * c-typeck.c (build_c_cast): Always warn when casting
23330 from a pointer to an integer of different size, even if
23331 the node was constant.
23333 2006-01-05 Richard Guenther <rguenther@suse.de>
23335 PR tree-optimization/22555
23336 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
23337 if one structure field is an array.
23338 * tree-ssa-operands.c (get_expr_operands): Continue scanning
23339 operands even if we found a subvar, but ignore VOPs in this
23341 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
23343 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
23345 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
23347 PR middle-end/24998
23348 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
23350 2006-01-05 Richard Guenther <rguenther@suse.de>
23351 Diego Novillo <dnovillo@redhat.com>
23353 * tree-pass.h (TODO_remove_unused_locals): Define.
23354 * gimple-low.c (expand_var_p, remove_useless_vars,
23355 pass_remove_useless_vars): Remove. Update all users.
23356 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
23357 (remove_unused_locals): New function.
23358 * tree-flow.h (remove_unused_locals): Declare.
23359 * passes.c (execute_todo): Call remove_unused_locals if
23360 TODO_remove_unused_locals is set.
23361 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
23362 * tree-ssa-dce.c (pass_dce): Likewise.
23363 * tree-outof-ssa.c (pass_del_ssa): Likewise.
23365 2006-01-05 Richard Guenther <rguenther@suse.de>
23367 * tree-flow.h (struct fieldoff): Decompose field to
23368 type, size and decl.
23369 * tree-ssa-alias.c (create_sft): Take type as parameter.
23370 (create_overlap_variables_for): Store type, size and decl
23371 in the fieldoff structure.
23372 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
23373 of struct fieldoff.
23374 (push_fields_onto_fieldstack): Likewise.
23375 (create_variable_info_for): Likewise. Use offset for the
23376 SFT name if the decl is not available.
23378 2006-01-04 Paul Brook <paul@codesourcery.com>
23380 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
23382 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
23384 * lambda-code.c (can_put_in_inner_loop): Relax
23386 (can_put_after_inner_loop): New function.
23387 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
23388 (perfect_nestify): Change to make copies and modify uses.
23390 2006-01-04 Richard Henderson <rth@redhat.com>
23392 Merge from gomp branch:
23393 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
23394 via integer constant.
23395 (pragma_lex): Remove.
23396 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
23397 rather than parsing it.
23398 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
23399 handle_pragma_extern_prefix): Add %< %> quotes.
23400 (registered_pragmas): New.
23401 (c_register_pragma_1): New.
23402 (c_register_pragma): Use it.
23403 (c_register_pragma_with_expansion): Likewise.
23404 (c_invoke_pragma_handler): New.
23405 (init_pragma): Use cpp_register_deferred_pragma directly for
23407 * c-pragma.h (enum pragma_kind): New.
23408 (pragma_handler): New.
23409 (c_invoke_pragma_handler): Declare.
23410 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
23412 * c-common.h (c_common_pch_pragma): Update decl.
23413 * Makefile.in (c-parser.o): Update dependencies.
23414 (GTFILES): Add c-pragma.h.
23415 * c-parser.c (struct c_token): Add pragma_kind.
23416 (struct c_parser): Add in_pragma.
23417 (c_lex_one_token): Always initialize keyword and pragma_kind.
23418 Extract data for CPP_PRAGMA.
23419 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
23420 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
23421 Don't allow CPP_PRAGMA_EOL if in_pragma.
23422 (c_parser_consume_pragma): New.
23423 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
23424 (c_parser_skip_to_end_of_parameter): Likewise.
23425 (c_parser_skip_to_end_of_block_or_statement): Likewise.
23426 (c_parser_skip_to_pragma_eol): New.
23427 (c_parser_external_declaration): Handle CPP_PRAGMA.
23428 (c_parser_compound_statement_nostart): Likewise.
23429 (c_parser_statement_after_labels): Likewise.
23430 (c_parser_pragma): New.
23431 (pragma_lex): Likewise.
23432 (c_parser_pragma_pch_preprocess): New.
23433 (c_parser_new): Merge into ...
23434 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
23436 2006-01-04 Jeff Law <law@redhat.com>
23439 * tree-cfg.c (bsi_replace): Remove the original statement
23440 from the EH throw statement table.
23442 2006-01-04 Jakub Jelinek <jakub@redhat.com>
23444 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
23445 make the prototype extern "C" and add throw ().
23448 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
23449 and pos non-negative and pos + len <= 32.
23450 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
23451 drop pos + len < HOST_BITS_PER_WIDE_INT test.
23452 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
23455 * c-common.c (handle_vector_size_attribute): Reject zero vector size
23456 as well as sizes not multiple of component size.
23459 * function.c (instantiate_expr): New function.
23460 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
23461 walk its DECL_VALUE_EXPR with instantiate_expr.
23463 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
23464 DW_OP_deref{,_size} if address isn't going to be added.
23466 2006-01-04 Ben Elliston <bje@au.ibm.com>
23468 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
23469 * config/fp-bit.c: Likewise.
23471 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
23473 * dominance.c: Add comment about why we use DFS numbering
23476 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23477 Richard Henderson <rth@redhat.com>
23479 Merge from gomp-branch:
23480 * varasm.c (assemble_variable): Handle thread-local COMMON data.
23481 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
23483 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
23485 PR rtl-optimization/25578
23486 * combine.c (combine_simplify_rtx, force_to_mode): Don't
23487 pass a parameter to simplify_shift_const if changing ASHIFTRT
23490 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
23492 * builtins.c (get_builtin_sync_mem): New function.
23493 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
23494 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
23495 Call get_builtin_sync_mem to generate mem rtx.
23497 2006-01-03 Richard Guenther <rguenther@suse.de>
23500 * stmt.c (add_case_node): Make sure to clear overflow flags
23503 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23505 Merge from gomp-branch.
23506 * config/sparc/sync.md: New file.
23507 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
23508 UNSPECV_LDSTUB): New constants.
23509 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
23510 * config/sparc/predicates.md (memory_reg_operand): New predicate.
23511 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
23514 2006-01-03 Roger Sayle <roger@eyesopen.com>
23516 * combine.c (reg_subword_p): New predicate to test whether the
23517 destination of a set refers to a subword/piece of a register.
23518 (try_combine): Generalize the code to merge the setting of a
23519 pseudo to a constant followed by a set of a subword of that
23520 register to a constant.
23522 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
23524 * basic-block.h (control_flow_graph): Change the type of
23525 x_label_to_block_map to VEC(basic_block,gc) *.
23526 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
23527 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
23529 * tree-ssa-propagate.c (cfg_blocks): Change the type to
23530 VEC(basic_block,heap) *.
23531 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
23532 ssa_prop_fini): Adjust the uses of cfg_blocks.
23534 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
23536 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
23538 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
23539 hashing trees instead of a pointer hash.
23540 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
23541 compare for MEM_EXPR.
23543 PR rtl-optimization/25130
23544 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
23545 when comparing MEMs for GCSE
23547 2006-01-03 Ben Elliston <bje@au.ibm.com>
23549 * targhooks.h (default_decimal_float_supported_p): Declare.
23550 * targhooks.c (default_decimal_float_supported_p): Define.
23551 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
23552 `default_decimal_float_supported_p'.
23553 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
23555 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
23557 * combine.c (apply_distributive_law <SUBREG>): Check
23558 TRULY_NOOP_TRUNCATION.
23560 2006-01-02 Geoffrey Keating <geoffk@apple.com>
23562 * dwarf2out.c (have_switched_text_section): Delete.
23563 (have_multiple_function_sections): New.
23564 (have_location_lists): Make 'bool'.
23565 (add_AT_loc_list): Use 'true' not '1'.
23566 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
23567 (output_loc_list): Use have_multiple_function_sections.
23568 (output_ranges): Likewise.
23569 (dwarf2out_begin_function): Set have_multiple_function_sections if
23571 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
23572 Check function_section rather than DECL_SECTION_NAME.
23573 (dwarf2out_finish): Use have_multiple_function_sections.
23574 Don't clear have_location_lists.
23576 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
23577 Jan Hubicka <jh@suse.cz>
23579 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
23580 case of conditional jump jumping to the next instruction.
23581 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
23582 cases of conditional jump jumping to the next instruction.
23584 2006-01-02 Jan Hubicka <jh@suse.cz>
23586 * i386.c (*_cost): Add COSTS_N_INSNS.
23587 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
23589 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
23592 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23594 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
23596 * config/arm/arm.c (all_fpus): Fix comment typo.
23597 * config/darwin.c: Likewise.
23598 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23599 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23600 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23602 2006-01-01 David Edelsohn <edelsohn@gnu.org>
23604 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23605 (rs6000_split_compare_and_swapqhi): New.
23606 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23607 (sync_compare_and_swapqhi_internal): New.
23608 * config/rs6000/rs6000-protos.h: Declare.