1 2006-12-29 Kazu Hirata <kazu@codesourcery.com>
3 * tree-cfg.c (last_stmt_ptr): Remove.
4 * tree-flow.h: Remove the prototype for last_stmt_ptr.
6 * config/i386/i386.h (NON_QI_REG_P): Remove.
7 * config/i386/predicates.md (non_q_regs_operand): Remove.
9 2006-12-29 Ian Lance Taylor <iant@google.com>
11 * c-common.c (c_define_builtins): New static function broken out
12 of c_common_nodes_and_builtins.
13 (c_common_nodes_and_builtins): Call c_define_builtins unless only
16 2006-12-29 Jan Hubicka <jh@suse.cz>
18 * tree-inline.c (remap_ssa_name): New function.
19 (remap_decl): Update SSA datastructures for DECLs.
20 (copy_body_r): Deal with SSA_NAMEs; add referenced global vars.
21 (copy_bb): Set SSA_NAME def stmts.
22 (update_ssa_acorss_eh_edges): New function.
23 (copy_edge_for_bb): Call it; mark new vars for renaming.
24 (copy_phis_for_bb): New function.
25 (initialize_cfun): Break out from ...
26 (copy_cfg_body): ... here; maintain AUX map for both directions;
27 call SSA updating workers; do not produce copy of cfun to be copied.
28 (setup_one_parameter): Do propagation across SSA form.
29 (declare_return_variable): Work on SSA; use return_slot instead of
30 address of return slot of argument to avoid folding back and forth.
31 (expand_call_inline): Update SSA from on return values.
32 (optimize_inline_calls): Do sanity checking, dead blocks removal,
34 (tree_function_verioning): Update initialize_cfun.
36 2006-12-29 Marcin Dalecki <martin@dalecki.de>
38 * doc/invoke.texi: Replace no longer supported -fno-strength-reduce
39 with -fmerge-constants in sample code.
41 2006-12-28 Kazu Hirata <kazu@codesourcery.com>
43 * Makefile.in (OBJS-common): Remove conflict.o
45 * basic-block.h: Remove the prototypes for conflict.c.
48 2006-12-27 Daniel Berlin <dberlin@dberlin.org>
50 * sbitmap.c (BITMAP_DEBUGGING): New macro.
52 (sbitmap_verify_popcount): New function.
53 (sbitmap_alloc): Set popcount to NULL, remove set of bytes
55 (sbitmap_alloc_with_popcount): New function.
56 (sbitmap_resize): Remove uses of bytes member and update
58 (sbitmap_realloc): Remove uses of bytes member.
59 (sbitmap_copy): Copy popcount.
60 (sbitmap_copy_n): New function.
61 (sbitmap_zero): Update popcount cache.
62 (sbitmap_ones): Ditto.
63 (sbitmap_a_and_b): Ditto.
64 (sbitmap_a_or_b): Ditto.
65 (sbitmap_a_xor_b): Ditto.
66 (sbitmap_union_of_diff_cg): Assert non-existence of popcount
68 (sbitmap_union_of_diff): Ditto.
70 (sbitmap_difference): Ditto.
71 (sbitmap_a_and_b_cg): Ditto.
72 (sbitmap_a_xor_b_cg): Ditto.
73 (sbitmap_a_or_b_cg): Ditto.
74 (sbitmap_a_or_b_and_c_cg): Ditto.
75 (sbitmap_a_and_b_or_c_cg): Ditto.
76 (sbitmap_intersection_of_succs): Ditto.
77 (sbitmap_intersection_of_preds): Ditto.
78 (sbitmap_union_of_succs): Ditto.
79 (sbitmap_union_of_preds): Ditto.
80 (popcount_table): New.
81 (sbitmap_elt_popcount): New function.
82 (sbitmap_popcount): Ditto.
84 * sbitmap.h (sbitmap): Remove bytes member.
86 (SET_BIT): Macro turned into function.
88 (SBITMAP_SIZE_BYTES): New macro.
89 (sbitmap_free): Free popcount too.
90 (sbitmap_alloc_with_popcount): New prototype.
91 (sbitmap_copy_n): Ditto.
92 (sbitmap_verify_popcount): Ditto.
94 2006-12-27 Ian Lance Taylor <iant@google.com>
97 * dwarf2out.c (gen_type_die): Don't write out a DIE for
98 ENUMERAL_TYPE if it was already written out.
100 2006-12-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
103 * builtins.c (do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3,
104 do_mpfr_sincos): Ensure target base equals two.
106 2006-12-26 Kazu Hirata <kazu@codesourcery.com>
108 * tree-ssa-operands.c: Fix a comment typo.
110 2006-12-25 Kazu Hirata <kazu@codesourcery.com>
112 * tree-vectorizer.h (VECT_SMODULO): Remove.
114 2006-12-24 Andreas Tobler <a.tobler@schweiz.org>
116 * config/pa/pa.c: Remove heap vector type defines.
118 2006-12-24 Jan Hubicka <jh@suse.cz>
120 * tree-ssa-operands.h (struct ssa_operand_memory_d):
121 add ssa_operand_mem_size.
122 * tree-ssa-operands.c (operands_bitmap_obstack): New.
123 (ssa_operand_mem_size): Remove.
124 (init_ssa_operands): Initialize obstack; use it.
125 (fini_ssa_operands): Release obstack.
126 (ssa_operand_alloc): Update.
127 (finalize_ssa_vdefs, finalize_ssa_vuse_ops, copy_virtual_operands,
128 get_mpt_for): Use obstack.
129 * tree-ssa.c (delete_tree_ssa): Call fini_ssa_operands.
130 * tree-outof-ssa.c: (remove_ssa_form): Don't call it here.
132 2006-12-24 Jan Hubicka <jh@suse.cz>
134 * tree-mudflap.c (ml_decl_cache_locals, md_build_check_statement_for):
135 add newly referenced vars.
137 2006-12-24 Kazu Hirata <kazu@codesourcery.com>
139 * basic-block.h: Remove the prototype for
140 expected_value_to_br_prob.
141 * rtl.h: Remove the prototypes for expand_builtin_expect_jump
142 and purge_line_number_notes.
144 2006-12-23 Zdenek Dvorak <dvorakz@suse.cz>
146 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne,
147 assert_no_overflow_lt, assert_loop_rolls_lt,
148 number_of_iterations_lt, number_of_iterations_le,
149 number_of_iterations_cond, number_of_iterations_exit):
150 Use integer_zerop/integer_nonzerop instead of
151 null_or_integer_zerop/nonnull_and_integer_nonzerop.
152 * tree.h (null_or_integer_zerop, nonnull_and_integer_nonzerop):
154 * tree-scalar-evolution.c (simple_iv): Return zero for step of
156 * tree-ssa-loop-ivopts.c (alloc_iv): Do not set step of invariants
158 (get_iv): Return NULL for non-scalar types. Use zero as a step
160 (determine_biv_step, find_interesting_uses_op,
161 find_interesting_uses_cond, find_interesting_uses_stmt,
162 add_old_ivs_candidates, determine_use_iv_cost_condition,
163 rewrite_use_compare, remove_unused_ivs):
164 Use integer_zerop instead of null_or_integer_zerop.
165 (struct ifs_ivopts_data): Replace step_p field with step field.
166 (idx_find_step): Use zero as a step of an invariant. Modify
167 step instead of *step_p.
168 (find_interesting_uses_address): Use zero as a step of an invariant.
169 Use integer_zerop instead of null_or_integer_zerop.
170 (find_interesting_uses_outside): Call find_interesting_uses_op only
171 for phi nodes for real operands.
172 (add_candidate_1): Expect step to be non-NULL.
173 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Expect step to be
176 2006-12-23 Andrew Pinski <pinskia@gmail.com>
178 * vec.c: Don't include tree.h.
179 * Makefile.in (vec.o): Update dependencies.
180 (build/vec.o): Likewise.
182 2006-12-23 Kazu Hirata <kazu@codesourcery.com>
184 * common.opt (flag_force_mem): Remove.
185 * doc/invoke.texi (-fforce-mem): Remove.
186 * opts.c (common_handle_option): Don't handle OPT_fforce_mem.
188 * Makefile.in (final.o): Depend on vecprim.h.
189 * final.c: Include vecprim.h.
190 (insn_addresses_): Change the type to VEC(int,heap)*.
191 * insn-addr.h (INSN_ADDRESSES_DEFN): Remove.
192 (INSN_ADDRESSES, INSN_ADDRESSES_ALLOC, INSN_ADDRESSES_SIZE,
193 INSN_ADDRESSES_NEW): Use VEC instead of VARRAY.
195 2006-12-23 Marcin Dalecki <martin@dalecki.de>
197 * cgraphunit.c (cgraph_optimize): Fixed obvious thinko in memory
198 consumption reporting.
200 2006-12-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
203 * c.opt (Wmissing-parameter-type): New.
204 * doc/invoke.texi (Wmissing-parameter-type): Document it.
205 (Wextra): Enabled by -Wextra.
206 * c-opts.c (c_common_post_options): Enabled by -Wextra.
207 * c-decl.c (store_parm_decls_oldstyle): Replace Wextra with
208 Wmissing-parameter-type.
210 2006-12-23 Eric Botcazou <ebotcazou@adacore.com>
212 * dwarf2out.c (dbx_reg_number): Do leaf register remapping
213 only if the function is leaf.
214 (multiple_reg_loc_descriptor): Likewise.
216 2006-12-23 Kazu Hirata <kazu@codesourcery.com>
218 * rtl.h (NOTE_EXPECTED_VALUE): Remove.
220 2006-12-23 Jan Hubicka <jh@suse.cz>
222 * toplev.c (dump_memory_report): Break out from...
224 * toplev.h (dump_memory_report): Declare.
225 (cmp_statistic): Rename to ...
226 (final_cmp_statistic): ... this one
227 (cmp_statistic): New.
228 (dump_ggc_loc_staitsitcs): New FINAL parpameter.
229 * common.opt (-fpre-ipa-mem-report, -fpost-ipa-mem-report): Declare.
230 * varray.c (dump_varray_staitiscs): Do not segfault when no varray was
232 * cgraphunit.c (cgraph_optimize): Dump the memory reports.
234 2006-12-22 Mike Stump <mrs@apple.com>
236 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): Add
237 -mmacosx-version-min=10.4.
238 (crt2.o): Add $(DARWIN_EXTRA_CRT_BUILD_CFLAGS).
240 2006-12-23 Jan Hubicka <jh@suse.cz>
242 * tree-flow-inline.h (var_ann): External variable annotations are
244 (tree_common_ann): Handle correctly unshared variables annotations.
245 * tree-dfa.c (create_var_ann): External variable annotations are
248 2006-12-22 Kazu Hirata <kazu@codesourcery.com>
250 * basic-block.h: Remove the prototype for
251 commit_edge_insertions_watch_calls.
252 * cfgrtl.c (commit_edge_insertion): Drop the last argument.
254 (commit_edge_insertions_watch_calls): Remove.
255 (commit_edge_insertions): Adjust the call to
256 commit_one_edge_insertion.
258 2006-12-22 Zdenek Dvorak <dvorakz@suse.cz>
260 * tree-ssa-loop-niter.c (zero_p, nonzero_p): Removed.
261 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
262 assert_no_overflow_lt, assert_loop_rolls_lt,
263 number_of_iterations_lt, number_of_iterations_le,
264 number_of_iterations_cond, tree_simplify_using_condition_1,
265 number_of_iterations_exit, find_loop_niter, loop_niter_by_eval,
266 implies_nonnegative_p, implies_ge_p, record_nonwrapping_iv,
267 idx_infer_loop_bounds, n_of_executions_at_most, scev_probably_wraps_p):
268 Do not use zero_p/nonzero_p.
269 * tree-ssa-loop-manip.c (determine_exit_conditions): Ditto.
270 * tree-ssa-loop-ivopts.c (niter_for_exit, determine_biv_step,
271 find_interesting_uses_op, find_interesting_uses_cond,
272 find_interesting_uses_address, find_interesting_uses_stmt,
273 strip_offset_1, add_candidate_1, add_old_ivs_candidates,
274 difference_cost, determine_use_iv_cost_condition,
275 rewrite_use_compare, remove_unused_ivs): Ditto.
276 * tree-ssa-address.c (tree_mem_ref_addr, create_mem_ref_raw): Ditto.
277 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
278 * tree-cfg.c (find_taken_edge_cond_expr): Ditto.
279 * tree.h (zero_p): Declaration removed.
280 (null_or_integer_zerop, nonnull_and_integer_nonzerop): New.
282 2006-12-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
285 * c.opt (Wclobbered): New.
286 * doc/invoke.texi (Wclobbered): Document it.
287 (Wextra): Enabled by -Wextra.
288 * c-opts.c (c_common_post_options): Enabled by -Wextra.
289 * flow.c (rest_of_handle_life): Replace Wextra with Wclobbered.
290 * function.c (setjmp_vars_warning): Only warn for Wclobbered.
291 (setjmp_args_warning): Likewise.
293 2006-12-22 Kazu Hirata <kazu@codesourcery.com>
295 * config/elfos.h, config/spu/spu.c, tree-ssa-operands.h,
296 tree-ssa-ter.c: Fix comment typos.
298 2006-12-22 Paolo Bonzini <bonzini@gnu.org>
300 PR rtl-optimization/29840
302 * fwprop.c (forward_propagate_into): Reject artificial uses/defs.
303 (fwprop_init): Add DF_HARD_REGS to df_init call.
305 2006-12-21 Andrew Pinski <pinskia@gmail.com>
307 * tree-nested.c (create_tmp_var_for): Check for vector type
308 when setting DECL_GIMPLE_REG_P.
310 2006-12-21 Roger Sayle <roger@eyesopen.com>
312 * tree-pretty-print.c (dump_generic_node): Avoid outputing "(void) 0;"
313 as the else branch of a COND_EXPR.
315 2006-12-22 Kazu Hirata <kazu@codesourcery.com>
317 * cgraphunit.c, config/i386/i386.c, config/ia64/ia64.c, cse.c,
318 output.h, toplev.c, tree-affine.h, tree-flow.h,
319 tree-ssa-alias.c, tree-ssa-coalesce.c, tree-ssa-live.c,
320 tree-ssa-live.h, tree-ssa-operands.c, tree-ssa-ter.c,
321 tree-vrp.c, varpool.c: Fix comment typos.
323 * cgraphunit.c, varpool.c: Fix comment typos.
325 2006-12-22 Ulrich Weigand <uweigand@de.ibm.com>
327 * config/spu/spu.h (ARG_POINTER_CFA_OFFSET): Define.
328 * config/spu/spu.c (spu_expand_prologue): Set RTX_FRAME_RELATED_P
329 for insn setting up the frame pointer. Do not set it for insns
330 setting up scratch registers or storing the backchain.
332 2006-12-21 Eric Botcazou <ebotcazou@adacore.com>
335 * configure.ac (HAVE_LD_EH_GC_SECTIONS): Check that exception tables
336 are kept for .gnu.linkonce.t sections if COMDAT groups are disabled.
337 * configure: Regenerate.
339 2006-12-21 Joseph Myers <joseph@codesourcery.com>
341 * rtlanal.c (subreg_get_info): Do not make register size
342 computations for mode sizes not divisible by the number of
345 2006-12-21 Daniel Berlin <dberlin@dberlin.org>
347 * tree-ssa-structalias.c (build_constraint_graph): Insert complex
348 offsetted constraints into rhsvar, not lhsvar.
350 2006-12-21 Jakub Jelinek <jakub@redhat.com>
354 * tree-nested.c (walk_asm_expr): New function.
355 (walk_stmts): Use it for ASM_EXPR.
358 * config/ia64/ia64.c (ia64_add_bundle_selector_before): New function.
361 2006-12-21 Nathan Sidwell <nathan@codesourcery.com>
365 * reload1.c (reload): Realign stack after it changes size.
367 2006-12-20 Roger Sayle <roger@eyesopen.com>
369 * simplify-rtx.c (simplify_subreg): Use the correct mode when
370 determining whether a SUBREG of a CONCAT refers to the first or
373 2006-12-21 Ben Elliston <bje@au.ibm.com>
375 * config/spu/spu.c (spu_builtin_mul_widen_even): Remove unused
378 2006-12-20 Jan Hubicka <jh@suse.cz>
380 * tree-dfa.c (add_referenced_var): Walk initializers of
381 non-constant/readonly static vars.
383 2006-12-20 Jan Hubicka <jh@suse.cz>
385 * tree-flow-inline.h (gimple_var_anns): New function.
386 (var_ann): Use hashtable for static functions.
387 * tree-dfa.c (create_var_ann): Likewise.
388 * tree-ssa.c (var_ann_eq, var_ann_hash): New functions.
389 (init_tree_ssa): Initialize var anns.
390 (delete_tree_ssa): Delete var anns; also clear out gimple_df.
391 * tree-flow.h (struct static_var_ann_d): New structure.
392 (gimple_df): Add var_anns.
394 2006-12-20 Carlos O'Donell <carlos@codesourcery.com>
397 * gcc/c-incpath.c (add_standard_paths): Only relocate paths that
398 begin with the configured prefix.
400 2006-12-20 Jan Hubicka <jh@suse.cz>
403 * i386.c (expand_setmem_epilogue): Fix formating.
404 (dsmalest_pow2_greater_than): New function.
405 (ix86_expand_movmem): Improve comments; avoid re-computing of
407 (promote_duplicated_reg_to_size): Break out from ...
408 (expand_setmem): ... this one; reorganize promotion code;
409 improve comments; avoid recomputation of epilogue size.
411 2006-12-20 Andrew Pinski <pinskia@gmail.com>
414 * omp-low.c (init_tmp_var): New function.
415 (save_tmp_var): New function.
416 (lower_omp_1): Use them for VAR_DECL.
418 2006-12-20 Andrew Pinski <pinskia@gmail.com>
420 * tree-gimple.c (is_gimple_min_invariant): Treat constant vector
421 CONSTRUCTORs as min invariants.
423 2006-12-20 Joseph Myers <joseph@codesourcery.com>
425 * rtlanal.c (struct subreg_info, subreg_get_info, subreg_nregs):
427 (subreg_regno_offset, subreg_offset_representable_p): Change to
428 wrappers about subreg_get_info.
429 (refers_to_regno_p, reg_overlap_mentioned_p): Use subreg_nregs.
430 * rtl.h (subreg_nregs): Declare.
431 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING): Update to refer to
433 * caller-save.c (mark_set_regs, add_stored_regs): Use
435 * df-scan.c (df_ref_record): Use subreg_nregs.
436 * flow.c (mark_set_1): Use subreg_nregs.
437 * postreload.c (move2add_note_store): Use subreg_nregs.
438 * reload.c (decompose, refers_to_regno_for_reload_p,
439 reg_overlap_mentioned_for_reload_p): Use subreg_nregs.
440 * resource.c (update_live_status, mark_referenced_resources,
441 mark_set_resources): Use subreg_nregs.
443 2006-12-20 Zdenek Dvorak <dvorakz@suse.cz>
445 * loop-unswitch.c (unswitch_loop): Update arguments of
446 duplicate_loop_to_header_edge call.
447 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Ditto.
448 * loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
449 unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
451 * cfgloopmanip.c (loop_version): Ditto.
452 (duplicate_loop_to_header_edge): Change
453 type of to_remove to VEC(edge), remove n_to_remove argument.
454 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
455 Change type of to_remove to VEC(edge), remove n_to_remove argument.
456 (tree_unroll_loop): Update arguments of
457 tree_duplicate_loop_to_header_edge call.
458 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge):
459 Change type of to_remove to VEC(edge), remove n_to_remove argument.
460 * cfghooks.h (struct cfg_hooks): Type of
461 cfg_hook_duplicate_loop_to_header_edge changed.
462 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
463 * cfgloop.h (duplicate_loop_to_header_edge): Ditto.
464 * tree-flow.h (tree_duplicate_loop_to_header_edge): Ditto.
466 2006-12-20 Dorit Nuzman <dorit@il.ibm.com>
468 * config/spu/spu.md (vec_widen_umult_hi_v8hi): New.
469 (vec_widen_umult_lo_v8hi, vec_widen_smult_hi_v8hi): New.
470 (vec_widen_smult_lo_v8hi): New.
471 * config/spu/spu.c (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
472 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
473 (spu_builtin_mul_widen_even, spu_builtin_mul_widen_odd): New.
475 2006-12-20 Jan Hubicka <jh@suse.cz>
477 * cgraph.c: Update overall comment; fix vertical spacing.
478 * ipa-inline.c (cgraph_decide_inlining): Remove now redundant check.
480 2006-12-20 Jan Hubicka <jh@suse.cz>
482 * cgraph.h (FOR_EACH_STATIC_VARIABLE, FOR_EACH_STATIC_INITIALIZER): New
484 (varpool_first_static_initializer, varpol_next_static_initializer): New
486 * ipa-reference.c (analyze_variable): Simplify.
487 (static_execute): Use FOR_EACH_STATIC_INITIALIZER.
488 * ipa-type-escape.c (type_escape_execute): Use FOR_EACH_STATIC_VARIABLE.
490 2006-12-19 Andrew Pinski <pinskia@gmail.com>
493 * tree-vrp.c (nonnull_arg_p): Treat the static decl as always
496 2006-12-20 Ben Elliston <bje@au.ibm.com>
498 * doc/invoke.texi (Optimize Options): Typo fix.
500 2006-12-19 Eric Christopher <echristo@apple.com>
502 * config/darwin.c (machopic_select_section): Rewrite.
503 (darwin_text_section): New.
504 (darwin_rodata_section): Ditto.
505 (darwin_mergeable_string_section): Ditto.
506 (darwin_mergeable_constant_section): Ditto.
507 * config/darwin-sections.def: Add SECTION_STRINGS for cstring_section.
509 2006-12-19 Steve Ellcey <sje@cup.hp.com>
511 * config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL): Add undef.
513 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
516 * gcc/Makefile.in (STAGE1_CHECKING): Rename to...
517 (STAGE1_CHECKING_CFLAGS): ... this.
519 2006-12-18 Andrew Pinski <pinskia@gmail.com>
522 * config/rs6000/rs6000.c (altivec_init_builtins): Change to set
523 READONLY on __builtin_altivec_mask_for_load instead of adding
526 2006-12-18 Roger Sayle <roger@eyesopen.com>
527 Eric Christopher <echristo@apple.com>
530 * real.c (real_maxval): Correctly handle IBM extended double format.
532 2006-12-19 Jan Hubicka <jh@suse.cz>
534 * expmed.c (expand_mult_const): Force operand to constant.
535 * rs6000.c (rs6000_emit_set_const, rs6000_emit_set_long_const): Add
536 copy_rtx to arguments.
538 2006-12-19 Ben Elliston <bje@au.ibm.com>
540 * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
542 2006-12-19 Ben Elliston <bje@au.ibm.com>
544 * cse.c (cse_insn): Fix formatting.
546 2006-12-18 Geoffrey Keating <geoffk@apple.com>
548 * doc/invoke.texi (Debugging Options): Document -g0.
549 * config/darwin.h (LINK_COMMAND_SPEC): Replace -gnone with -g0.
550 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
552 2006-12-18 Ian Lance Taylor <iant@google.com>
554 * c.opt (Wmissing-declarations): Add C++ and ObjC++.
555 * doc/invoke.texi (Warning Options): -Wmissing-declarations now
558 2006-12-18 Andrew MacLeod <amacleod@redhat.com>
560 * tree-ssa-operands.h (struct vdef_optype_d): Rename to voptype_d.
561 (struct vuse_optype_d): Delete.
562 (SSA_OPERAND_MEMORY_SIZE): Delete.
563 (struct ssa_operand_memory_d): Change mem array to size one.
564 (NUM_VOP_FREE_BUCKETS): Define.
565 (free_vuses, free_vdefs): Replace with vop_free_buckets array.
566 (vdef_ops, vuse_ops, struct ssa_operand_iterator_d): Use voptype_d type.
567 * tree-pretty-print.c (dump_vops): Use voptype_d type.
568 * tree-ssa-operands.c (vop_free_bucket_size): New. Number of operands
569 which fit into a chunk of memory from a specific bucket.
570 (vop_free_bucket_index): New. Find correct size memory bucket.
571 (init_vop_buckets): New. Initialize VOP free memory buckets.
572 (add_vop_to_freelist): New. Add a VOP to the correct free list.
573 (ssa_operand_mem_size): New. Current size of an operand memory chunk.
574 (init_ssa_operands): Initialize operand memory and free lists.
575 (fini_ssa_operands): Remove references to free_vuses and free_vdefs.
576 (ssa_operand_alloc): Use graduated size memory allocation.
577 (APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
578 INITIALIZE_USE): Remove.
579 (alloc_vop): New. Allocate a virtual operand.
580 (alloc_vdef, alloc_vuse): Delete.
581 (add_def_op, add_use_op): Directly setup pointers.
582 (add_vop): New. Add a virtual operand.
583 (add_vuse_op, add_vdef_op): Call add_vop.
584 (realloc_vop): New. Reallocate a virtual operand.
585 (realloc_vdef, realloc_vuse): Call realloc_vop.
586 (finalize_ssa_def_ops): Delete. Move content to finalize_ssa_defs.
587 (finalize_ssa_defs): Optimize for common case, remove code based on
588 sorted pointers which was a waste of time.
589 (finalize_ssa_use_ops): Delete. Move content to finalize_ssa_uses.
590 (finalize_ssa_uses): Update last pointer.
591 (finalize_ssa_vdef_ops): Delete. Move content to finalize_ssa_vdefs.
592 (finalize_ssa_vdefs, finalize_ssa_vuse_ops): Use voptype_d and
593 directly manipulate pointers.
594 (copy_virtual_operands): Use voptype_d, and no need to update pointers.
596 2006-12-18 Nathan Sidwell <nathan@codesourcery.com>
598 * config/rs6000/rs6000.md (*movdf_hardfloat32): Use %X format to
599 determine if memory operand is an indexed address or not.
601 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
603 * cselib.c (struct cselib_val_struct): Make val_rtx its
604 own field, remove the union that contained it.
605 * cselib.c: Update accordingly where necessary.
607 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
609 * cse.c (have_eh_succ_edges): New function.
610 (cse_insn): Don't remove dead EH edges here
611 (cse_extended_basic_block): Do it here.
612 (rest_of_handle_cse, rest_of_handle_cse2): Don't assert
613 that we have removed all dead edges.
615 2006-12-17 Matthias Klose <doko@debian.org>
618 * gcc/config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.
620 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
622 * cse.c (cse_find_path): Don't wrap a gcc_assert in ENABLE_CHECKING.
623 (cse_extended_basic_block): When truncating a path while processing
624 it, make sure to clear the visited bit on the basic blocks in the
625 truncated part of the path.
626 (cse_main): Use reverse completion order, not DFS order, to walk
628 (gate_handle_cse): Revert erroneous commit of a counter.
630 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
632 * cse.c (this_insn_cc0, this_insn_cc0_mode): New global
633 variables, moved out from cse_insn.
634 (prev_insn): Remove this global variable).
635 (new_basic_block): Don't set it.
636 (cse_insn): Idem. Also, move code to delete unused CC0-setter
637 insns and code to set prev_insn_cc0 and prev_insn_cc0_mode
639 (cse_extended_basic_block): ...to here. Do not clear
640 prev_insn_cc0 until after recording equivalences from jumps.
642 2006-12-16 Jan Hubicka <jh@suse.cz>
644 * cgraphunit.c (ipa_passes): Clear current_function_decl.
646 2006-12-16 Andreas Tobler <a.tobler@schweiz.org>
648 * passes.c (verify_curr_properties): Define only for ENABLE_CHECKING.
650 2006-12-16 Jan Hubicka <jh@suse.cz>
652 * omp-low.c (expand_omp_parallel): Set function properties.
653 * function.h (struct function): Add curr_properties and last_verified.
654 * passes.c (register_dump_files): Do not set TODO_set_props for the
656 (init_optimization_passes): Set it here; reorder initialization so the
657 dump files appear in more logical order.
658 (last_verified, curr_properties): Kill.
659 (do_per_function): New function.
660 (execute_function_todo): Break out from ...
661 (execute_todo): ... here; handle per-function flags.
662 (clear_last_verified, verify_curr_properties,
663 update_properties_after_pass): New functions.
664 (execute_one_pass): Handle per-function properties.
665 (execute_ipa_pass_list): Use do_per_function; sanity check that cfun
666 and current_function_decls are cleared out.
667 * ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
670 2006-12-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
673 * c.opt (Wempty-body): New.
674 * doc/invoke.texi (Wempty-body): Document it.
675 (Wextra): Enabled by -Wextra.
676 * c-opts.c (c_common_post_options): Enabled by -Wextra.
677 * c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
678 * c-parser.c (c_parser_c99_block_statement): Likewise.
680 2006-12-15 Jakub Jelinek <jakub@redhat.com>
683 * config/rs6000/rs6000.md (div<mode>3): Use correct mode in
686 2006-12-15 Andrew Pinski <pinski@gmail.com>
689 * tree-inline.c (setup_one_parameter): Gimplify the statement if
690 the variable is not a gimple register variable.
692 2006-12-15 Uros Bizjak <ubizjak@gmail.com>
694 * invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
696 2006-12-14 Jan Hubicka <jh@suse.cz>
698 * tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
701 2006-12-14 Richard Guenther <rguenther@suse.de>
703 PR tree-optimization/30197
704 * builtins.c (fold_builtin_cexp): New function to fold cexp
705 to cexpi and exp parts.
706 * tree-ssa-pre.c (try_combine_conversion): Also handle
707 REALPART_EXPR and IMAGPART_EXPR.
709 2006-12-14 Richard Guenther <rguenther@suse.de>
712 * fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
713 + __complex__ ( 0, y ) to __complex__ ( x, y ).
714 Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
716 2006-12-14 Richard Guenther <rguenther@suse.de>
718 PR tree-optimization/30198
719 * fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
720 Fold IMAGPART_EXPR of cexpi to sin.
722 2006-12-14 Dorit Nuzman <dorit@il.ibm.com>
723 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
725 * spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
726 (spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
728 (spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
729 (spu_builtin_mask_for_load): New.
730 * spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
731 * spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
732 (vec_realign_load_<mode>, spu_lvsr): New.
734 2006-12-13 Ian Lance Taylor <iant@google.com>
738 * c-typeck.c (parser_build_binary_op): Move parentheses warnings
739 to warn_about_parentheses in c-common.c.
740 * c-common.c (warn_about_parentheses): New function.
741 * c-common.h (warn_about_parentheses): Declare.
742 * doc/invoke.texi (Warning Options): Update -Wparentheses
745 2006-12-13 Zdenek Dvorak <dvorakz@suse.cz>
747 * tree-ssa-loop-ivopts.c: Include tree-affine.h.
749 (constant_multiple_of): Fix order of operators for division.
750 (aff_combination_const, aff_combination_elt, aff_combination_scale,
751 aff_combination_add_elt, aff_combination_add, aff_combination_convert,
752 tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
753 aff_combination_to_tree): Moved to tree-affine.c and made to work with
754 double_int coefficients.
755 (get_computation_aff, get_computation_at): Work with double_int
757 (get_computation_cost_at): Do not use divide.
758 (rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
759 Assert that expressing the computation did not fail.
760 * tree-ssa-address.c: Include tree-affine.h.
761 (add_to_parts, most_expensive_mult_to_index, addr_to_parts,
762 create_mem_ref): Work with double_int coefficients.
763 * tree-affine.c: New file.
764 * tree-affine.h: New file.
765 * tree-flow.h (struct affine_tree_combination): Removed.
766 * Makefile.in (tree-affine.o): Add.
767 (tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
770 2006-12-13 Peter Bergner <bergner@vnet.ibm.com>
774 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
775 the offset == 0 "then" clauses.
776 * config/rs6000/predicates.md (gpc_reg_operand): Check for
779 2006-12-13 Uros Bizjak <ubizjak@gmail.com>
781 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
782 (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
783 (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
784 (FRAME_POINTER_REGNUM): Update register number to 20.
785 (REG_CLASS_CONTENTS): Update contents due to removed dir register.
786 (HI_REGISTER_NAMES): Remove "dirflag".
788 * config/i386/i386.c (regclass_map): Remove dirflag entry.
789 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
791 (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
793 * config/i386/i386.md (R10_REG, R11_REG): Renumber.
794 (sse_prologue_save, *sse_prologue_save_insn): Renumber
795 hardcoded SSE register numbers.
797 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
798 hardcoded MMX register numbers.
801 2006-12-13 Mark Shinwell <shinwell@codesourcery.com>
803 * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
804 FLDMX. Rename function to...
805 (vfp_output_fldmd): ...this.
806 (vfp_output_fstmx): Output FSTMD instead of FSTMX. Rename
808 (vfp_output_fstmd): ...this.
809 (vfp_emit_fstmx): Don't leave space in the frame layout for the
810 FSTMX format word. Rename function to...
811 (vfp_emit_fstmd): ...this.
812 (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
814 (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
815 (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
816 word. Also emit "vsave" assembler directives in such cases rather
818 * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
819 gnu_Unwind_Save_VFP): Adjust comments.
820 (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
821 for saving and restoring using FSTMD and FLDMD rather than
823 (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
824 New functions for saving and restoring the VFPv3 registers 16 .. 31.
825 * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
826 compilation case to correctly handle unwind opcode 0xc8 when using
828 * config/arm/unwind-arm.c (struct vfpv3_regs): New.
829 (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
830 (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
831 __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
833 (restore_non_core_regs): Restore registers using FLDMD rather than
834 FLDMX if required. Also handle restoration of VFPv3 registers.
835 (_Unwind_VRS_Pop): Handle saving and restoring of registers using
836 FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
837 including cases where the caller specifies a range of registers
838 that overlaps the d15/d16 boundary.
840 2006-12-13 Diego Novillo <dnovillo@redhat.com>
843 * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
844 accomodate 511 operands.
846 2006-12-13 Richard Guenther <rguenther@suse.de>
848 * builtins.c (expand_builtin_cexpi): Fix typo.
850 2006-12-13 Jan Hubicka <jh@suse.cz>
852 * Makefile.in: Add dependencies.
853 * tree-pretty-print.c: Include value-prof.h
854 (dump_generic_bb_buff): Dump histograms
855 * value-prof.c: Include pointer-set.h
856 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
857 set_histogram_value, gimple_histogram_value,
858 gimple_add_histogram_value, gimple_remove_histogram_value,
859 gimple_histogram_value_of_type, dump_histogram_value,
860 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
861 gimple_duplicate_stmt_histograms, visit_hist,
862 verify_histograms): New functions.
863 (tree_value_profile_transformations): Update for new histogram API.
864 (tree_divmod_fixed_value): Update for new histogram API.
865 (tree_divmod_fixed_value_transform): Update for new histogram API.
866 (tree_mod_pow2): Update for new histogram API.
867 (tree_mod_pow2_value_transform): Update for new histogram API.
868 (tree_mod_subtract): Update for new histogram API.
869 (tree_mod_subtract_transform): Update for new histogram API.
870 (tree_stringops_transform): Update for new histogram API.
871 (tree_divmod_values_to_profile): Update for new histogram API.
872 (tree_stringops_values_to_profile): Update for new histogram API.
873 (tree_find_values_to_profile): Update for new histogram API.
874 * value-prof.h (gimple_histogram_value): Declare.
875 (gimple_histogram_value_of_type): Declare.
876 (gimple_add_histogram_value): Declare.
877 (gimple_remove_histogram_value): Declare.
878 (dump_histograms_for_stmt): Declare.
879 (gimple_remove_histogram_value): Declare.
880 (gimple_remove_stmt_histograms): Declare.
881 (gimple_duplicate_stmt_histograms): Declare.
882 (verify_histograms): Declare.
884 (struct funrction): Add value_histograms hash.
885 (VALUE_HISTOGRAMS): New macro.
886 * profile.c (compute_value_histograms): update for new API.
887 * tree-inline.c: Include value-prof.h
888 (copy_bb): Update histograms.
889 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
890 reorder to get smaller memory layout.
891 * tree-cfg.c: Include value-prof.h
892 (bsi_remove): Update histograms.
893 (bsi_replace): Update histograms.
894 (verify_stmts): Call histogram verifier.
895 (tree_duplicate_bb): Update histograms.
896 (move_block_to_fn): Update histograms.
898 2006-12-13 Richard Guenther <rguenther@suse.de>
900 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
902 (cgraph_decide_inlining): Likewise.
904 2006-12-13 Richard Guenther <rguenther@suse.de>
906 PR tree-optimization/17687
907 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
908 New builtins for imaginary argument cexp.
909 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
910 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
911 New required builtin types.
912 * builtins.c (expand_builtin_cexpi): Declare.
913 (mathfn_built_in): Handle BUILT_IN_CEXPI.
914 (expand_builtin_cexpi): New static helper.
915 (expand_builtin): Call it.
916 (do_mpfr_sincos): Adjust for CEXPI evaluation.
917 (fold_builtin_sincos): New function to fold sincos to cepxi.
919 2006-12-13 Richard Guenther <rguenther@suse.de>
921 * ipa-reference.c (scan_for_static_refs): Also scan
922 tcc_comparison class trees.
924 2006-12-12 David Daney <ddaney@avtrex.com>
926 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
929 2006-12-12 Andrew Pinski <pinskia@gmail.com>
931 * tree-vect-transform.c (vect_permute_load_chain):
932 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
935 2006-12-13 Sa Liu <saliu@de.ibm.com>
936 Ben Elliston <bje@au.ibm.com>
938 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
939 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
940 * config/spu/spu-protos.h (spu_c_common_override_options):
942 * config/spu/spu-c.c (spu_c_common_override_options): New.
943 * config/spu/spu.c (spu_override_options): Whitespace fix.
945 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
947 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
949 2006-12-12 Geoffrey Keating <geoffk@apple.com>
951 * mips-tdump.c: Replace CROSS_COMPILE with
952 CROSS_DIRECTORY_STRUCTURE.
953 * mips-tfile.c: Likewise.
955 * configure.ac: Likewise.
956 * cppdefault.c: Likewise.
957 * Makefile.in: Likewise.
958 * config/alpha/osf.h: Likewise.
959 * config/i386/cygwin.h: Likewise.
960 * config/i386/beos-elf.h: Likewise.
961 * config/i386/nto.h: Likewise.
962 * config/fr30/fr30.h: Likewise.
963 * config/svr4.h: Likewise.
964 * config/rs6000/aix.h: Likewise.
965 * config/rs6000/sysv4.h: Likewise.
966 * config/pa/pa64-hpux.h: Likewise.
967 * config/pa/pa-hpux10.h: Likewise.
968 * config/pa/pa-hpux11.h: Likewise.
969 * collect2.c: Likewise.
970 * configure: Regenerate.
972 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
973 actually takes an unsigned HOST_WIDE_INT for its second parameter.
975 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
977 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
978 (spu_encode_section_info): New.
979 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
980 (SYMBOL_FLAG_ALIGN1): New.
982 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
985 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
986 bitmap for EXECUTE_IF_SET_IN_BITMAP.
988 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
991 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
992 (DECL_GIMPLE_REG_P): This.
993 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
995 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
996 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
997 and check for VECTOR_TYPE.
998 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
1000 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
1002 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
1003 and check for VECTOR_TYPE.
1004 (gimplify_bind_expr): Likewise.
1005 (gimplify_function_tree): Likewise.
1006 * expmed.c: Include target.h.
1007 (extract_bit_field): For vector mode, try find a better mode first.
1008 If that fails use gen_lowpart (for vectors only).
1009 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
1010 and check for VECTOR_TYPE.
1011 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
1012 (insert_into_preds_of_block): Likewise.
1013 (insert_fake_stores): Create gimple register store_tmps for
1015 * tree-sra.c (sra_elt): New field, is_vector_lhs.
1016 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
1017 are the left hand side, set the element's is_vector_lhs to true.
1018 (instantiate_element): For vector types which were on the left
1019 hand size, set DECL_GIMPLE_REG_P to false.
1020 * tree-nested.c (create_tmp_var_for): Use the renamed
1022 * tree-inline.c (declare_return_variable): Use the renamed
1023 DECL_GIMPLE_REG_P and check for VECTOR_TYPE.
1024 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
1025 (copy_result_decl_to_var): Likewise.
1026 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
1027 create a gimple register variable.
1028 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
1029 vect_inter_* temp variables.
1030 * Makefile.in (expmed.o): Update dependencies.
1032 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
1034 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
1035 the offset == 0 "then" clauses.
1036 * config/rs6000/predicates.md (gpc_reg_operand): Check for
1039 2006-12-12 Marcin Dalecki <martin@dalecki.de>
1041 * doc/passes.texi: remove docs about "redundant PHI removal".
1042 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
1043 remove redundant pass_partition_blocks declaration.
1045 2006-12-12 Andrew Macleod <amacleod@redhat.com>
1047 PR tree-optimization/30159
1048 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
1049 functions in case a default_def coalesce is required.
1051 2006-12-12 Jakub Jelinek <jakub@redhat.com>
1054 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
1056 * config/ia64/linux.h (CPP_SPEC): Define.
1057 * config/s390/linux.h (CPP_SPEC): Define.
1059 2006-12-12 Jim Wilson <wilson@specifix.com>
1060 Jakub Jelinek <jakub@redhat.com>
1062 PR rtl-optimization/27761
1063 * combine.c (try_combine): Don't create a useless garbage SET
1064 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
1065 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
1066 and use it to prevent accidental modification of i1src.
1068 2006-12-12 Ira Rosen <irar@il.ibm.com>
1070 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
1071 for stores with gaps.
1072 * tree-vect-transform.c (vect_permute_store_chain): Create
1073 interleave_high or interleave_low according to the endianess.
1075 2006-12-12 Richard Guenther <rguenther@suse.de>
1078 * fold-const.c (fold_read_from_constant_string): Only fold read
1079 from constant string if the result type is integer.
1081 2006-12-12 Olivier Hainque <hainque@adacore.com>
1083 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
1085 2006-12-12 Olivier Hainque <hainque@adacore.com>
1087 * config/vxlib.c: Extract tls related routines into ...
1088 * config/vxlib-tls.c: New file.
1089 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
1091 2006-12-12 Sa Liu <saliu@de.ibm.com>
1092 Ben Elliston <bje@au.ibm.com>
1094 * config/spu/spu.opt (mfixed-range): New option.
1095 * config/spu/spu.h (spu_fixed_range_string): Declare.
1096 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
1097 (fix_range): New function.
1098 * doc/invoke.texi (SPU Options): Document -mfixed-range.
1099 * testsuite/gcc.target/spu/fixed-range.c: New.
1100 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
1102 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
1106 * cgraphunit.c (cgraph_optimize): Remove call to
1107 process_pending_assemble_externals.
1109 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
1111 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
1113 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
1114 (ia64_hpux_add_extern_decl): Removed.
1115 (ia64_hpux_file_end): Likewise.
1116 (extern_func_list): Likewise.
1117 (extern_func_head): Likewise.
1119 * output.h (assemble_external): Update comments.
1120 (default_elf_asm_output_external): New.
1121 (maybe_assemble_visibility): New.
1123 * toplev.c (compile_file): Update comment.
1125 * varasm.c (assemble_external): Always put it on
1126 pending_assemble_externals.
1127 (maybe_assemble_visibility): Make it extern and return int.
1128 (default_elf_asm_output_external): New.
1130 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
1132 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
1133 can't handle the pointer arithmetic.
1135 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1137 * doc/tree-ssa.texi: Update documentation for virtual operands
1138 and the use of push_stmt_changes/pop_stmt_changes.
1139 * doc/invoke.texi: Remove documentation for params
1140 global-var-threshold.
1141 Update documentation on max-aliased-vops.
1143 * tree-into-ssa.c: Cleanup comments, variables and
1144 spacing in various functions.
1145 (regs_to_rename): Declare.
1146 (mem_syms_to_rename): Declare.
1147 (dump_update_ssa): Declare.
1148 (debug_update_ssa): Declare.
1149 (dump_names_replaced_by): Declare.
1150 (debug_names_replaced_by): Declare.
1151 (dump_def_blocks): Declare.
1152 (debug_def_blocks): Declare.
1153 (dump_defs_stack): Declare.
1154 (debug_defs_stack): Declare.
1155 (dump_currdefs): Declare.
1156 (debug_currdefs): Declare.
1157 (mark_def_sites): Do not handle virtual operands.
1158 (compute_idf): Rename from find_idf. Update users.
1159 (register_new_def): Make local. Convert second argument
1161 Use BLOCK_DEFS_STACK directly.
1162 If pushing a non-register, also push the underlying
1164 (rewrite_stmt): Do not handle virtual operands.
1165 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
1166 dump_currdefs and dump_tree_ssa_stats.
1167 (dump_tree_ssa_stats): Also dump REPL_TBL.
1168 (replace_use): Remove. Update all users to call SET_USE
1170 (rewrite_blocks): Move code to free memory to
1172 (mark_def_site_blocks): Move initialization code to
1174 (init_ssa_renamer): New.
1175 (fini_ssa_renamer): New.
1176 (rewrite_into_ssa): Call them.
1177 (prepare_block_for_update): Process SSA_OP_ALL_USES first
1178 and SSA_OP_ALL_DEFS later. Do not process virtual
1179 operands separately.
1180 (dump_update_ssa): Call dump_decl_set.
1181 (init_update_ssa): Initialize regs_to_rename and
1183 Call init_ssa_renamer.
1184 (delete_update_ssa): Call fini_ssa_renamer.
1185 Free blocks_with_phis_to_rewrite.
1186 (mark_sym_for_renaming): If the variable has
1187 sub-variables, also mark them.
1188 If the variable belongs to a partition, also mark it.
1189 (mark_set_for_renaming): Call mark_sym_for_renaming on
1190 every symbol in the set.
1191 (switch_virtuals_to_full_rewrite): Call
1192 mark_set_for_renaming.
1193 (update_ssa): Separate syms_to_rename into regs_to_rename
1194 and mem_syms_to_rename.
1196 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
1197 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
1198 (debug_generic_stmt): Likewise.
1199 (debug_tree_chain): Likewise.
1200 (dump_symbols): New.
1201 (dump_generic_node): Check for TDF_MEMSYMS.
1202 Handle MEMORY_PARTITION_TAG.
1203 If the statement references memory and TDF_MEMSYMS is
1204 given, call dump_symbols.
1205 Indicate default names with (D).
1206 (dump_vops): Update for new virtual operator format.
1208 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
1209 tree_contains_struct.
1210 (tree_code_size): Handle MEMORY_PARTITION_TAG.
1211 (tree_node_structure): Likewise.
1212 (needs_to_live_in_memory): Handle SSA names.
1213 * tree.h (MTAG_P): Likewise.
1214 (struct tree_memory_partition_tag): Declare.
1215 (MPT_SYMBOLS): Define.
1216 (union tree_node): Add field 'mpt'.
1217 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
1218 * tree.def (MEMORY_PARTITION_TAG): Define.
1220 * tree-pass.h (TDF_MEMSYMS): Define.
1222 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
1224 * tree-ssa-alias.c: Include pointer-set.h
1225 (struct alias_map_d): Remove fields total_alias_vops,
1226 grouped_p and may_aliases. Update all users.
1227 (struct mp_info_def): Declare.
1228 (mp_info_t): New type.
1229 (get_smt_for): Rename from get_tmt_for. Update all
1231 (add_may_alias): Add argument ALREADY_ADDED. If given,
1232 use it to avoid adding duplicate entries to alias sets.
1233 (replace_may_alias): Remove. Update all users.
1234 (total_alias_vops_cmp): Remove. Update all users.
1235 (group_aliases_into): Remove. Update all users.
1236 (tree_pointer_compare): Remove. Update all users.
1237 (compact_name_tags): Remove. Update all users.
1238 (group_aliases): Remove. Update all users.
1239 (mark_non_addressable): Move from tree-flow-inline.h.
1240 Remove the symbol from the partition holding it, if
1242 (dump_mp_info): New.
1243 (debug_mp_info): New.
1244 (sort_mp_info): New.
1245 (create_partition_for): New.
1246 (rewrite_alias_set_for): New.
1247 (compute_memory_partitions): New.
1248 (compute_may_aliases): Call it.
1249 (init_alias_info): If computing aliases for the first
1250 time, mark every memory symbol for renaming.
1251 (have_common_aliases_p): New.
1252 (compute_flow_insensitive_aliasing): Call it.
1253 (setup_pointers_and_addressables): Do not cache
1254 num_referenced_vars.
1255 For register promoted symbols, mark their former
1256 partition for renaming.
1257 (maybe_create_global_var): Only create .GLOBAL_VAR if
1258 there are no call-clobbered variables and a mix of pure
1259 and non-pure functions were found.
1260 (may_alias_p): Tidy comments.
1261 (create_tag_raw): Remove unused variable new_type.
1262 (dump_alias_info): call dump_memory_partitions.
1263 (dump_points_to_info_for): Call dump_decl_set.
1264 (may_be_aliased): Tidy comments and formatting.
1266 * timevar.def (TV_MEMORY_PARTITIONING): Define.
1267 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
1268 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
1270 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
1271 * tree-vect-transform.c (vect_transform_loop): Call
1272 mark_set_for_renaming with vect_memsyms_to_rename.
1273 * tree-flow-inline.h (zero_imm_uses_p): New.
1274 (memory_partition): New.
1275 (set_memory_partition): New.
1276 (factoring_name_p): New.
1277 (symbol_mem_tag): New. Update every function that used
1278 to access the annotation directly.
1279 (set_symbol_mem_tag): Likewise.
1281 * tree-ssa-copy.c (may_propagate_copy): Allow copies
1282 between a partition and a symbol as long as the symbol
1283 belongs to the partition.
1284 (merge_alias_info): Ignore merge requests when memory
1285 partitions are involved.
1287 * tree-ssa.c (verify_ssa_name): Check that default
1288 definitions have empty defining statements.
1289 (verify_use): Remove argument IS_VIRTUAL.
1290 Don't call verify_ssa_name.
1291 (verify_phi_args): Call verify_ssa_name.
1292 (verify_flow_insensitive_alias_info): Handle MPTs.
1293 (verify_flow_sensitive_alias_info): Likewise.
1294 (verify_name_tags): Likewise.
1295 (verify_call_clobbering): Likewise.
1296 (verify_ssa): Check for VOPs only after aliasing
1297 information is available.
1298 Check virtuals and real operands separately.
1299 Call verify_ssa_name on every operand.
1300 (stmt_references_memory_p): Move to tree-ssa-operands.c.
1301 (walk_use_def_chains_1): Guard against NULL PHI
1304 * tree-ssa-operands.c (stmt_references_memory_p): Move from
1307 (dump_memory_partitions): New.
1308 (debug_memory_partitions): New.
1310 * tree-flow.h (struct var_ann_d): Add field mpt.
1311 (struct stmt_ann_d): Add bitfield references_memory.
1312 * Makefile.in (tree-ssa-structalias.o): Include
1314 (tree-ssa-alias.o): Likewise.
1315 * tree-ssa-structalias.c: (update_alias_info): Use
1316 STORED_SYMS to determine which variables are being
1317 written to by the store operation.
1318 * tree-ssa-structalias.h (struct alias_info)
1319 <total_alias_vops>: Remove. Update all users.
1320 <written_vars>: Change to a pointer set. Update all
1322 <dereferenced_ptrs_store>: Likewise.
1323 <dereferenced_ptrs_load>: Likewise.
1324 (NUM_REFERENCES): Remove. Update all users.
1325 (NUM_REFERENCES_CLEAR): Remove. Update all users.
1326 (NUM_REFERENCES_INC): Remove. Update all users.
1327 (NUM_REFERENCES_SET): Remove. Update all users.
1329 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
1331 (PARAM_MAX_ALIASED_VOPS): Set to 10.
1332 * tree-ssanames.c (make_ssa_name): Initialize
1333 SSA_NAME_IS_DEFAULT_DEF to 0.
1335 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
1337 * tree-ssa-dse.c (aggregate_vardecl_d): New.
1338 (dse_global_data): Add aggregate_vardecl field.
1339 (dse_possible_dead_store_p): New.
1340 Add prev_defvar variable.
1341 Allow immediate uses and previous immediate uses to differ
1342 if they are setting different parts of the whole.
1343 (get_aggregate_vardecl): New.
1344 (dse_record_partial_aggregate_store): New.
1345 (dse_whole_aggregate_clobbered_p): New.
1346 (dse_partial_kill_p): New.
1347 (dse_optimize_stmt): Abstract code checking a possible dead store
1348 into new function dse_possible_dead_store_p().
1349 Call dse_maybe_record_aggregate_store().
1350 When checking whether a STMT and its USE_STMT refer to the
1351 same memory address, check also for partial kills that clobber
1353 Move some variable definitions to the block where they are used.
1354 (aggregate_vardecl_hash): New.
1355 (aggregate_vardecl_eq): New.
1356 (aggregate_vardecl_free): New.
1357 (aggregate_whole_store_p): New.
1358 (tree_ssa_dse): Initialize and free aggregate_vardecl.
1359 Mark which aggregate stores we care about.
1361 2006-12-11 Andrew Macleod <amacleod@redhat.com>
1363 * tree-ssa-operands.h (struct vuse_element_d): Declare.
1364 (vuse_element_t): Declare.
1365 (struct vuse_vec_d): Declare.
1366 (vuse_vec_p): Declare.
1367 (VUSE_VECT_NUM_ELEM): Define.
1368 (VUSE_VECT_ELEMENT_NC): Define.
1369 (VUSE_ELEMENT_PTR_NC): Define.
1370 (VUSE_ELEMENT_VAR_NC): Define.
1371 (VUSE_VECT_ELEMENT): Define.
1372 (VUSE_ELEMENT_PTR): Define.
1373 (VUSE_ELEMENT_VAR): Define.
1374 (struct maydef_optype_d) <use_var>: Remove.
1377 (struct vuse_optype_d) <kill_var>: Remove.
1380 (struct mustdef_optype_d) <kill_var>: Remove.
1383 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
1384 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
1386 (VUSE_VECT): Define.
1387 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
1388 (MAYDEF_OP): Add argument. Use VUSE_OP.
1389 (MAYDEF_NUM): Define.
1390 (MAYDEF_VECT): Define.
1391 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
1392 (MUSTDEF_KILL): Use VUSE_OP.
1393 (MUSTDEF_NUM): Define.
1394 (MUSTDEF_VECT): Define.
1395 (realloc_maydef): Declare.
1396 (realloc_vuse): Declare.
1397 (struct ssa_operand_iterator_d) <vuse_index>: Add.
1398 <mayuse_index>: Add.
1399 (LOADED_SYMS): Define.
1400 (STORED_SYMS): Define.
1401 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
1402 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
1404 * tree-pretty-print.c: Likewise.
1405 * tree-ssa-dse.c: Likewise.
1406 * tree-flow-inline.h: Likewise.
1407 (op_iter_next_mustdef): New.
1408 * tree-ssa-operands.c: Likewise.
1409 (ALLOC_OPTYPE): Remove.
1413 (alloc_maydef): New.
1415 (alloc_mustdef): New.
1416 (realloc_maydef): New.
1417 (realloc_vuse): New.
1419 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
1421 * tree-ssa-operands.c: Remove build_v_must_defs.
1422 (init_ssa_operands): Delete build_v_must_defs.
1423 (finalize_ssa_v_must_def_ops): Remove.
1424 (finalize_ssa_v_must_defs): Remove.
1425 (finalize_ssa_stmt_operands): Do not call
1426 finalize_ssa_v_must_defs.
1427 (start_ssa_stmt_operands): Do not check build_v_must_defs.
1428 (append_v_must_def): Delete.
1429 (copy_virtual_operands): Do not copy V_MUST_DEFs.
1430 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
1431 comment. Remove opf_kill_def.
1432 (build_ssa_operands): Remove references to v_must_defs.
1433 (copy_virtual_operands): Same.
1434 (copy_virtual_operands): Same.
1435 (fini_ssa_operands): Same.
1436 (free_ssa_operands): Same.
1437 (add_mustdef_op): Remove.
1438 Remove mustdef_optype_p.
1439 (alloc_mustdef): Remove.
1440 Remove references to V_MUST_DEFs in comment at top of file.
1441 (get_expr_operands): Remove opf_kill_def.
1442 (opf_kill_def): Remove.
1443 (add_virtual_operand): Remove opf_kill_def.
1444 (get_indirect_ref_operands): Same.
1445 (get_tmr_operands): Same.
1447 * tree-vectorizer.c (rename_variables_in_bb): Remove
1450 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
1452 (check_loop_closed_ssa_stmt): Same.
1454 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
1456 (verify_ssa): Remove V_MUST_DEFs traces.
1457 (verify_ssa): Remove SSA_OP_ALL_KILLS.
1459 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
1461 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
1462 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
1464 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
1466 (MUSTDEF_OPS): Remove.
1467 (SSA_OP_VMUSTDEF): Remove.
1468 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
1469 (struct mustdef_optype_d): Remove.
1470 Remove mustdef_optype_p.
1471 (struct stmt_operands_d): Remove mustdef_ops.
1472 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
1473 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
1474 (MUSTDEF_RESULT_PTR): Remove.
1475 (MUSTDEF_RESULT): Remove.
1476 (MUSTDEF_KILL_PTR): Remove.
1477 (MUSTDEF_KILL): Remove.
1478 (MUSTDEF_NUM): Remove.
1479 (MUSTDEF_VECT): Remove.
1480 (SSA_OP_VIRTUAL_KILLS): Remove.
1481 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
1482 (SSA_OP_VMUSTKILL): Remove.
1483 (SSA_OP_ALL_KILLS): Remove.
1484 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
1486 * tree-flow-inline.h (op_iter_init_def): Remove
1487 SSA_OP_VIRTUAL_KILLS.
1488 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
1490 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1491 SSA_OP_VIRTUAL_KILLS.
1493 * tree-ssa-loop-im.c (determine_max_movement): Remove
1494 SSA_OP_VIRTUAL_KILLS.
1495 (gather_mem_refs_stmt): Same.
1496 (gather_mem_refs_stmt): Same.
1498 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
1499 (perform_tree_ssa_dce): Remove call to
1500 mark_really_necessary_kill_operand_phis.
1502 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
1504 (op_iter_next_use): Do not check mustkills.
1505 (op_iter_next_def): Do not check mustdefs.
1506 (op_iter_next_tree): Do not check mustkills or mustdefs.
1507 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
1508 (op_iter_next_maymustdef): Do not check mustkills.
1509 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
1510 (op_iter_init_mustdef): Remove.
1512 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
1515 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
1517 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
1518 (visit_assignment): Same.
1520 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
1522 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
1524 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
1526 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
1527 Remove kill_p variable.
1529 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
1530 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
1531 (collect_dfa_stats_r): Do not set num_v_must_defs.
1532 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
1535 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
1538 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1539 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
1541 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
1544 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
1546 PR rtl-optimization/30113
1547 * loop-iv.c (implies_p): Require the mode of the operands to be
1550 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1552 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
1553 Rename from create_ssa_artficial_load_stmt. Update all users.
1554 * tree-into-ssa.c (register_new_def): Make static.
1555 * tree.c (is_global_var): Handle SSA_NAMEs.
1556 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
1557 that used to call gimple_default_def.
1558 * tree-ssa-operands.c (push_stmt_changes): New.
1559 (pop_stmt_changes): New. Update every pass that modifies
1560 statements to bracket modifications with
1561 push_stmt_changes/pop_stmt_changes.
1562 (discard_stmt_changes): New.
1563 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
1564 'tree *' instead of 'tree'. Update all users.
1565 * tree-flow-inline.h (zero_imm_uses_p): New.
1566 (symbol_mem_tag): New. Update every function that used
1567 to access the annotation directly.
1568 (set_symbol_mem_tag): Likewise.
1569 * tree-dfa.c (dump_variable): Always show the escape mask.
1570 (mark_symbols_for_renaming): Rename from
1571 mark_new_vars_to_rename. Update all users.
1572 Only mark to rename naked symbols in real and virtual
1575 2006-12-11 Andreas Schwab <schwab@suse.de>
1577 * varasm.c (elf_record_gcc_switches): Cast second argument of
1578 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
1580 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1582 * tree-scalar-evolution.c (scev_const_prop):
1583 * tree-phinodes.c (remove_phi_node): Add argument
1584 RELEASE_LHS_P. If given, release the SSA name on the LHS of
1587 * tree-ssa-dce.c: Remove forward declarations for static
1588 functions. Re-arrange functions bodies as needed.
1589 (find_obviously_necessary_stmts): Never mark PHI nodes as
1590 obviously necessary.
1592 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
1594 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
1596 2006-12-11 Jan Hubicka <jh@suse.cz>
1598 * value-prof.c (tree_stringops_transform): New.
1599 (tree_value_profile_transformations): Require count to be non-zero;
1600 call stringop transform; reset stmt BSI after BB changed.
1601 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
1602 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
1603 (tree_stringops_values_to_profile): New.
1604 (tree_values_to_profile): Call tree_stringops_values_to_profile.
1605 * tree.h (build_string_literal): Tidy prototype.
1606 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
1608 * builtins.c (validate_arglist, builtin_memset_read_str,
1609 get_pointer_alignment): Export.
1611 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
1615 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1617 * config/i386/i386.opt: New target option -mx87regparm.
1619 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
1620 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
1621 (X87_REGPARM_MAX): Define.
1623 * config/i386/i386.c (override_options): Error out for
1624 -mx87regparm but no 80387 support.
1625 (ix86_attribute_table): Add x87regparm.
1626 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1627 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1628 (ix86_function_x87regparm): New function.
1629 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1631 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1633 (function_arg_advance): Process x87_nregs and x87_regno when
1634 floating point argument is to be passed in 80387 register.
1635 (function_arg): Pass XFmode arguments in 80387 registers for local
1636 functions. Pass SFmode and DFmode arguments to local functions
1637 in 80387 registers when flag_unsafe_math_optimizations is set.
1639 * reg-stack.c (convert_regs_entry): Disable NaN load for
1640 stack registers that are used for argument passing.
1642 * doc/extend.texi: Document x87regparm function attribute.
1643 * doc/invoke.texi: Document -mx87regparm.
1645 2006-12-11 Jan Hubicka <jh@suse.cz>
1647 Move all varpool routines out of cgraph/cgraphunit to varpool.c
1648 * cgraph.c: Update comments.
1649 (cgraph_varpool_hash,
1650 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
1651 cgraph_varpool_node_name, cgraph_varpool_node,
1652 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
1653 cgraph_variable_initializer_availability): Move to
1654 varpool.c and drop cgraph_ prefixes.
1655 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
1656 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
1657 move to varpool.c; drop cgraph_ prefix; make static.
1658 (dump_cgraph_varpool_node): Move to varpool.c under name
1660 (dump_varpool, hash_varpool_node, eq_varpool_node,
1661 decide_is_variable_needed): Move to varpool.c
1662 (decl_assembler_name_equal): Move to tree.c.
1663 (availability_names): Rename to ...
1664 (cgraph_availability_names): ... this one.
1665 (dump_cgraph_node): Update.
1666 * cgraph.h: Reorder declarations now in varpool.c
1667 (cgraph_vailablity_names): Declare.
1668 (struct cgraph_varpool_node): Rename to ...
1669 (struct varpool_node): ... this one.
1670 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
1671 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
1672 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
1673 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
1674 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
1675 cgraph_variable_initializer_availability): Rename to ...
1676 (varpool_first_unanalyzed_node, varpool_nodes_queue,
1677 varpool_first_unanalyzed_node, varpool_node,
1678 varpool_node_for_asm, varpool_mark_needed_node,
1679 varpool_finalize_decl, varpool_enqueue_needed_node,
1680 varpool_assemble_pending_decls, variable_initializer_availability):
1682 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
1683 * tree.h (decl_assembler_name_equal): Declare.
1684 * omp-low.c (lower_omp_critical): Update.
1685 * ipa-reference (analyze_variable, static_execute): Likewise.
1686 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
1687 * cgraphunit.c: Update comments.
1688 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
1689 varpool_assembled_nodes_queue.
1690 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
1691 varpool_analyze_pending_decls.
1692 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
1693 varpool_remove_unreferenced_decls.
1694 (record_reference): Update.
1695 (cgraph_create_edges): Update.
1696 (record_referneces_in_initializer): New function.
1697 (cgraph_varpool_assemble_decl): Move to varpool.c under name
1698 varpool_assemble_decl; make global.
1699 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
1700 varpool_assemble_pending_decls.
1701 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
1702 struct cgraph_order_sort, cgraph_output_in_order,
1703 cgraph_function_and_variable_invisibility, cgraph_optimize,
1704 cgraph_increase_alignment): Update.
1705 * dwarf2out.c (decls_for_scope): Likewise.
1706 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
1707 * except.c (output_ttype): Likewise.
1708 * varasm.c (mark_decl_referenced): Likewise.
1709 (find_decl_and_mark_referenced, assemble_alias): update.
1710 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
1711 * passes.c (rest_of_decl_compilation): Update.
1713 2006-12-11 Ira Rosen <irar@il.ibm.com>
1715 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
1716 GIMPLE_STMT_OPERAND.
1717 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
1718 (vect_setup_realignment): Likewise.
1720 2006-12-11 Sa Liu <saliu@de.ibm.com>
1721 Ben Elliston <bje@au.ibm.com>
1723 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1724 (ENDFILE_SPEC): Likewise.
1725 * config/spu/spu.opt (mstdmain): New option.
1726 * config/spu/crti.asm: Remove.
1727 * config/spu/crtn.asm: Likewise.
1728 * config/spu/crt0.c: Likewise.
1729 * config/spu/crtend.c: Likewise.
1730 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1732 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1733 * doc/invoke.texi (SPU Options): Document -mstdmain.
1735 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1737 * doc/loop.texi: Document number_of_latch_executions and
1738 number_of_cond_exit_executions.
1739 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1740 chrec_is_positive, number_of_iterations_for_all_loops,
1741 scev_const_prop): Use number_of_latch_executions.
1742 (set_nb_iterations_in_loop): Do not increase the value of the
1743 number of iterations.
1744 (number_of_iterations_in_loop): Renamed to ...
1745 (number_of_latch_executions): ... this.
1746 (number_of_exit_cond_executions): New function.
1747 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1749 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
1750 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1751 number_of_latch_executions.
1752 * tree-data-ref.c (get_number_of_iters_for_loop): Use
1753 number_of_exit_cond_executions.
1754 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1755 * cfgloop.h (struct loop): Improve description of the nb_iterations
1758 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
1760 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1761 (tree_pointer_compare): Remove.
1763 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1765 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1766 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1767 * tree-loop-linear.c (linear_transform_loops): Ditto.
1768 * tree-ssa-loop-im.c (determine_lsm): Ditto.
1769 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1770 free_numbers_of_iterations_estimates): Ditto.
1771 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1772 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1773 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1774 * modulo-sched.c (sms_schedule): Ditto.
1775 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1776 tree_unroll_loops_completely): Ditto.
1777 * predict.c (predict_loops): Ditto.
1778 * tree-if-conv.c (main_tree_if_conversion): Ditto.
1779 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1780 decide_unrolling_and_peeling): Ditto.
1781 * cfgloopmanip.c (unloop): Use delete_loop.
1782 (place_new_loop): Access larray vector instead of parray.
1783 (create_preheaders, force_single_succ_latches,
1784 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1785 * loop-doloop.c (doloop_optimize_loops): Ditto.
1786 * loop-invariant.c (move_loop_invariants): Ditto.
1787 * tree-cfg.c (replace_uses_by): Ditto.
1788 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1789 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1791 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1793 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1794 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1795 get_loop and get_chrec_loop.
1796 (number_of_iterations_for_all_loops): Use number_of_loops.
1797 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1798 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1799 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1801 * tree-chrec.c (evolution_function_is_invariant_rec_p,
1802 chrec_convert_1): Use get_loop and get_chrec_loop.
1803 * loop-init.c (loop_optimizer_init): Use number_of_loops.
1804 (loop_optimizer_init): Use FOR_EACH_LOOP.
1805 * tree-vectorizer.c (vect_loops_num): Removed.
1806 (vectorize_loops): Store number of loops locally. Use
1807 FOR_EACH_LOOP and get_loop.
1808 * tree-vectorizer.h (vect_loops_num): Removed.
1809 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1810 (find_data_references_in_loop): Do not set parallel_p.
1811 * tree-data-ref.h: Do not declare VEC(loop_p).
1812 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1813 verify_loop_structure): Use FOR_EACH_LOOP.
1814 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1815 (initialize_loops_parallel_p): Removed.
1816 (flow_loops_find): Push the loops into a vector.
1817 (delete_loop): New function.
1818 (cancel_loop): Use delete_loop.
1819 * cfgloop.h: Declare VEC(loop_p).
1820 (struct loop): Remove parallel_p field.
1821 (struct loops): Replace num and parray field by larray vector.
1822 Remove shared_headers field.
1823 (delete_loop): Declare.
1824 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1825 FOR_EACH_LOOP): New.
1826 * doc/loop.tex: Document new accessor functions.
1828 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
1830 * common.opt (-ftree-lrs): Remove live range splitting option.
1831 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1832 * opts.c (decode_options): Remove flag_tree_live_range_split.
1833 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1834 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
1835 * tree-outof-ssa.c: Remove header files which aren't needed.
1836 (SSANORM_*): Remove flags.
1837 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1838 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1839 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1840 (assign_vars): Use Basevar instead of root_var structure.
1841 (replace_def_variable): Dont do anything if def is replaceable.
1842 (remove_ssa_form): Integrate functional changes.
1843 (rewrite_out_of_ssa): Remove live-range_split option.
1844 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1845 (coalesce_cost): Calculate the cost of a coalesce.
1846 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1847 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1848 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1849 (pop_best_coalesce): Remove the best coalesce from the list.
1850 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1851 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1852 (create_coalesce_list): Create a coalesce list object.
1853 (delete_coalesce_list): Free a coalesce list object.
1854 (find_coalesce_pair): Find matching pair in the coalesce list.
1855 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1856 (add_coalesce): Add a coalesce to the coalesce list.
1857 (compare_pairs): Comparision function to determine pair sorted order.
1858 (num_coalesce_pairs): Number of coalesced pairs.
1859 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1860 Coalesce pair iterator functions.
1861 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1862 (dump_coalesce_list): Show coalesce list.
1863 (ssa_conflicts_new): Create an SSA conflict graph.
1864 (ssa_conflicts_delete): Delete an SSA conflict graph.
1865 (ssa_conflicts_test_p): Test for conflicts.
1866 (ssa_conflicts_add_one): Add a single conflict.
1867 (ssa_conflicts_add): Add a conflict pair.
1868 (ssa_conflicts_merge): Merge conflicts.
1869 (struct live_track_d): Struct for tracking live partitions.
1870 (new_live_track): Create new live_track object.
1871 (delete_live_track): Delete a live_track object.
1872 (live_track_remove_partition): Remove a partition from the live list.
1873 (live_track_add_partition): Add a partition from the live list.
1874 (live_track_clear_var): Take VAR from the live list.
1875 (live_track_live_p): Is var live?
1876 (live_track_process_use): Make var come alive.
1877 (live_track_process_def): Make var go dead, add conflicts.
1878 (live_track_init): Initialize to a live on exit set.
1879 (live_track_clear_base_vars): Clear live partitions.
1880 (build_ssa_conflict_graph): Build a conflict graph.
1881 (print_exprs): Common debug output routine.
1882 (abnormal_corrupt): Output info about a failed coalesce across an
1884 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1885 (create_outofssa_var_map): Create a var map and coalesce list.
1886 (attempt_coalesce): Coalesce a pair.
1887 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1888 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1889 * tree-ssa-live.c: Remove header files which aren't needed.
1890 (var_map_base_init): New. Initialize a basevar list.
1891 (var_map_base_fini): New. Finish a basevar list.
1892 (init_var_map): Initialize new fields.
1893 (delete_var_map): Free new fields.
1894 (var_union): Use renamed fields.
1895 (compact_var_map): Remove.
1896 (partition_to_view_init): Use renamed fields, change order of an if.
1897 (partition_view_fini): Use renamed fields.
1898 (partition_view_normal): Create basevar list if requested.
1899 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1900 (change_partition_var): Use renamed fields.
1901 (create_ssa_var_map): Remove.
1902 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1903 root_var_init): Remove.
1904 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1905 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1906 compare_pairs, num_coalesce_pairs, first_partition_pair,
1907 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1908 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1909 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1910 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1911 (dump_var_map): Use renamed fields.
1912 * tree-ssa-live.h (struct _var_map): Modify fields.
1913 (partition_to_var, version_to_var, var_to_partition): Use renamed
1915 (basevar_index): New. Index of the base variable of a partition.
1916 (num_basevars): New. Number of unique base variables in partition map.
1917 (register_ssa_partition): Use renamed fields.
1918 (struct tree_partition_associator_d): Remove.
1919 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1920 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1921 root_var, root_var_first_partition, root_var_next_partition,
1922 root_var_dump, root_var_delete, root_var_remove_partition,
1923 root_var_find, root_var_compact, root_var_decompact): Remove.
1924 (struct partition_pair, struct coalesce_list_d): Moved to
1926 * tree-ssa-ter.c: Remove header files which aren't needed.
1928 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1930 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1931 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1933 (cse_visited_basic_blocks): New static bitmap.
1934 (cse_end_of_basic_block, cse_basic_block): Remove.
1935 (cse_find_path, cse_dump_path, cse_prescan_path,
1936 cse_extended_basic_block): New static functions.
1937 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1938 basic block boundaries. Don't record jump equivalences here.
1939 Update the CFG after doing in-place replacement of the SET_SRC.
1940 (cse_main): Rewrite. Look for extended basic block headers
1941 and call cse_extended_basic_block on them until all paths that
1942 start at this header are exhausted.
1943 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1944 and correct after cse_main.
1945 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1946 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1947 (pass_cse): Add TODO_verify_flow.
1948 (pass_cse2): Likewise.
1950 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1952 * reload1.c (choose_reload_regs): Don't set byte offset when
1953 resolving subregs of hard regs.
1955 2006-12-09 Zack Weinberg <zackw@panix.com>
1957 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1958 suitable for the language, if set_yydebug is true.
1959 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1960 YYDEBUG or declare yydebug.
1961 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1963 2006-12-09 Jan Hubicka <jh@suse.cz>
1965 * cgraph.c: Update copyright.
1966 * cgraph.h: Likewise
1967 (cgraph_update_pending_function): Remove prototype.
1968 * cgraphunit.c: Update copyright; update overall comment.
1969 (cgraph_assemble_pending_functions): Make local.
1971 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1973 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1975 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1977 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1979 (cpat_const_p, gen_cpat_const): Add.
1980 * config/spu/spu.c (immediate_class): New enum.
1981 (cpat_info, classify_immediate): New.
1982 (print_operand): Use S, D, T instead of F, G, H. Use
1983 classify_immediate. Handle cpat cases.
1984 (spu_split_immediate): Renamed from spu_split_address. Split all
1985 immediates that can be split.
1986 (immediate_load_p): Use classify_immediate.
1987 (spu_legitimate_constant_p): Accept everything except some cases of
1989 (spu_expand_move): Use spu_split_immedate.
1990 (fsmbi_const_p): Use classify_immediate.
1991 (cpat_const_p): New.
1992 (gen_cpat_const: New.
1993 * config/spu/constraints.md (j,k,l): New constraints for cpat
1995 * config/spu/spu.md (unnamed splitter): Change address splitter to
1996 handle all immediates.
1997 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1999 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
2002 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2005 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
2006 patterns. Correct length of high:DI instruction sequence.
2008 2006-12-08 Mike Stump <mrs@apple.com>
2010 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
2011 libgcc with -mmacosx-version-min=10.4.
2012 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
2013 G4 for 10.5+ unless doing kernel builds.
2015 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
2018 * reg-stack.c (convert_regs_entry): Mark current argument passing
2021 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
2022 of float arguments in x87 registers.
2024 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
2026 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
2028 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
2030 * recog.c (mode_dependent_address_p): Identify pre-increment,
2031 pre-decrement, post-increment and post-decrement addressing as always
2032 being mode-dependent.
2033 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
2034 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2035 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
2036 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
2037 PRE_INC and POST_INC checks.
2038 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2039 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2040 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2041 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2042 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
2043 PRE_INC, POST_DEC and POST_INC cases.
2044 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
2045 Delete POST_INC and PRE_DEC cases.
2046 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
2048 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2049 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
2051 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2052 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2053 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
2054 PRE_INC and PRE_DEC cases.
2055 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2056 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2057 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
2058 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2059 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2060 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
2061 auto-increment cases.
2062 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
2063 auto-increment cases.
2064 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
2066 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
2068 * Makefile.in: Add new file tree-ssa-ter.c.
2069 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
2070 free_temp_expr_table, add_value_to_version_list,
2071 add_value_to_partition_list, remove_value_from_partition_list,
2072 add_dependence, check_replaceable, finish_expr, mark_replaceable,
2073 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
2074 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
2075 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
2077 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
2078 (struct value_expr_d): Remove.
2079 (struct temp_expr_table_d): Rename fields, add explicit vector of
2080 replaceable expressions instead of sharing. Change value_expr_p's to
2081 bitmap. Delete free_list.
2082 (new_temp_expr_table): Rename fields, count number of ssa_names in
2084 (free_temp_expr_table): Rename field, free new fields.
2085 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
2086 add_info_to_list, remove_value_from_list): Delete.
2087 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
2088 (make_dependent_on_partition): New. Set bit in version list, allocating
2089 a bitmap if need be.
2090 (add_to_partition_kill_list): New. Set bit in the partition list,
2091 allocating a bitmap if need be.
2092 (remove_from_partition_kill_list): New. Remove a bit from the
2093 partition list, free the bitmap if it is empty.
2094 (add_dependence): Use renamed field, cleanup. Don't add a dependence
2095 on partitions with only one member.
2096 (is_replaceable_p): New. Split out replaceability check from
2098 (process_replaceable): New. Code split from check_replaceable.
2099 (check_replaceable): Removed.
2100 (finished_with_expr): Renamed from finish_expr.
2101 (kill_expr): Use renamed fields and less parameters.
2102 (kill_virtual_exprs): Less parameters.
2103 (mark_replaceable): Use renamed fields.
2104 (find_replaceable_in_bb): Use renamed fields, cleanup.
2105 (find_replaceable_exprs): Use renamed routines, cleanup.
2106 (dump_replaceable_exprs): Don't go past end of ssa_names list.
2107 (debug_ter): New. Debug routine to dump state.
2109 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
2111 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
2112 anything involving the GOT.
2113 (bfin_adjust_cost): Don't take the REGNO of a MEM.
2114 (trapping_loads_p): Look inside the pattern of an insn to find the
2116 * config/bfin/bfin.md (attr "type"): Add movcc.
2117 (insn_reservation "alu"): Likewise.
2118 (movsicc_insn1, movsicc_insn2): Change type to movcc.
2120 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
2122 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
2123 (spu_resolve_overloaded_builtin): Check for non scalar instead
2124 of vector type and check the function call argument type also for
2126 Call build_function_call instead of spu_build_overload_builtin.
2128 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2130 * config/spu/spu.c (array_to_constant): Correct the order of arguments
2131 to the calls of hwint_to_const_double.
2133 2006-12-07 Nick Clifton <nickc@redhat.com>
2135 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
2136 elf_record_gcc_switches.
2138 2006-12-07 Andrew Macleod <amacleod@redhat.com>
2140 * expr.c (string_constant): Account for non-zero lower bound arrays.
2142 2006-12-07 Richard Guenther <rguenther@suse.de>
2144 * builtins.c (expand_builtin_pow): Adjust predicates for
2145 pow to cbrt expansion to unsafe math and !HONOR_NANS for
2148 2006-12-07 Jan Hubicka <jh@suse.cz>
2150 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
2153 2006-12-07 Jan Hubicka <jh@suse.cz>
2155 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
2156 use fold_constant_to_binary; tolerate wrong type constants.
2157 (value_intersect_p): Do just two tests.
2159 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
2161 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
2162 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
2163 lshifthi3): Use it, and fix the order of alternatives.
2165 2006-12-07 Nick Clifton <nickc@redhat.com>
2167 * common.opt (record-gcc-switches): New command line switch.
2168 * target.h (print_switch_type): New enum.
2169 (print_switch_fn_type): New typedef for a function pointer.
2170 (struct gcc_target): Add record_gcc_switches and
2171 record_gcc_switches_section fields.
2172 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
2174 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
2176 * toplev.c (print_single_switch): Simplify by providing a
2177 pointer to function that will format and output the switch
2179 (print_switch_values): Likewise.
2180 (print_to_asm_out_file): New function.
2181 (print_to_stderr): New function.
2182 (init_asm_output): If flag_record_gcc_switches is set then if
2183 the target supports recording the switches then emit them into
2184 the assembler output file, otherwise tell the user that the
2185 switch is not supported.
2186 * varasm.c (eld_record_gcc_switches): New function. Example
2187 handler for the record_gcc_switches target hook.
2188 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
2190 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
2191 * doc/invoke.texi (-frecord-gcc-switches): Document.
2193 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2196 * sched-rgn.c (add_block1): Use correct initializer.
2198 2006-12-07 Richard Guenther <rguenther@suse.de>
2200 * tree-vect-transform.c (vectorizable_call): Fix leftover of
2201 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
2203 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
2206 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
2207 not GIMPLE_MODIFY_STMT.
2209 2006-12-06 Jan Hubicka <jh@suse.cz>
2211 * tree-vrp.c (operand_less_p): New.
2212 (compare_values, value_inside_range): Rewrite in terms of
2215 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
2217 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
2219 (length_immediate): Do not depend on cld type attribute.
2220 (length_address): Ditto.
2223 (cld): Remove insn pattern.
2224 (strmov_singleop): Do not use DIRFLAG_REG.
2225 (*strmovdi_rex_1): Ditto.
2226 (*strmovsi_1): Ditto.
2227 (*strmovsi_rex_1): Ditto.
2228 (*strmovhi_1): Ditto.
2229 (*strmovhi_rex_1): Ditto.
2230 (*strmovqi_1): Ditto.
2231 (*strmovqi_rex_1): Ditto.
2233 (*rep_movdi_rex64): Ditto.
2234 (*rep_movsi): Ditto.
2235 (*rep_movsi_rex64): Ditto.
2236 (*rep_movqi): Ditto.
2237 (*rep_movqi_rex64): Ditto.
2238 (strset_singleop): Ditto.
2239 (*strsetdi_rex_1): Ditto.
2240 (*strsetsi_1): Ditto.
2241 (*strsetsi_rex_1): Ditto.
2242 (*strsethi_1): Ditto.
2243 (*strsethi_rex_1): Ditto.
2244 (*strsetqi_1): Ditto.
2245 (*strsetqi_rex_1): Ditto.
2247 (*rep_stosdi_rex64): Ditto.
2248 (*rep_stossi): Ditto.
2249 (*rep_stossi_rex64): Ditto.
2250 (*rep_stosqi): Ditto.
2251 (*rep_stosqi_rex64): Ditto.
2252 (cmpstrnsi): Do not generate cld insn.
2253 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
2254 (*cmpstrnqi_nz_1): Ditto.
2255 (*cmpstrnqi_nz_rex_1): Ditto.
2256 (cmpstrnqi_1): Ditto.
2257 (*cmpstrnqi_1): Ditto.
2258 (*cmpstrnqi_rex_1): Ditto.
2259 (strlenqi_1): Ditto.
2260 (*strlenqi_1): Ditto.
2261 (*strlenqi_rex_1): Ditto.
2263 * config/i386/geode.md (shift): Do not depend on cld type attribute.
2264 * config/i386/pentium.md (pent_cld): Remove insn reservation.
2265 * config/i386/athlon.md (athlon_decode): Do not depend on cld
2267 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
2268 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
2270 (k6_alux_only_load): Ditto.
2271 (k6_alux_only_store): Ditto.
2273 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
2274 Do not emit cld instruction.
2275 (ix86_expand_setmem): Ditto.
2276 (ix86_expand_strlen): Do not emit cld instruction.
2278 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
2280 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
2283 2006-12-06 Diego Novillo <dnovillo@redhat.com>
2285 * gdbinit.in: Set complaints to 0.
2287 2006-12-06 Jan Hubicka <jh@suse.cz>
2289 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
2290 ALONE_MEM_STAT_DECL): New macros.
2291 * bitmap.h: Include statistics.h
2292 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
2293 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
2294 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
2295 * bitmap.c: Include hashtab.h
2296 (bitmap_descriptor): New.
2297 (bitmap_hash): New static variable
2298 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
2299 New static functions.
2300 (bitmap_register): New.
2301 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
2302 bitmap_obstack_release): Do accounting.
2303 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
2305 (bitmap_gc_alloc_stat): Likewise.
2306 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
2307 (print_statistics, dump_bitmap_statistics): New functions.
2308 * toplev.c (finalize): Dump bitmap statistics.
2310 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
2312 * reload1.c (delete_output_reload): Count occurrences in
2313 CALL_INSN_FUNCTION_USAGE.
2314 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
2315 crashing at the end of the list.
2317 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
2319 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
2320 Optimize to avoid marking more SMT's as used when they aren't.
2322 2006-12-05 Eric Christopher <echristo@apple.com>
2324 * config/i386/i386.c (x86_output_aligned_bss): Move out
2325 of COMMON_ASM_OP ifdef.
2327 2006-12-05 Eric Christopher <echristo@apple.com>
2329 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
2330 (STARTFILE_SPEC): Use.
2331 (DARWIN_DYLIB1_SPEC): New.
2332 (DARWIN_CRT1_SPEC): New.
2333 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
2335 * config/i386/darwin.h: Ditto.
2336 * config/rs6000/darwin.h: Ditto.
2338 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
2340 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
2341 * tree-complex.c (pass_lower_complex): Ditto.
2342 * tree-ssa-ccp.c (pass_ccp): Ditto.
2343 (pass_store_ccp): Ditto.
2344 * tree-ssa-dom.c (pass_dominator): Ditto.
2345 (pass_phi_only_cprop): Ditto.
2346 * tree-sra.c (pass_sra): Ditto.
2347 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2348 * tree-flow.h (updating_used_alone): Remove.
2349 (updating_used_alone): Ditto.
2350 * tree-ssa-alias.c (updating_used_alone): Remove variable.
2351 (lhs_may_store_to): Remove function.
2352 (recalculate_used_alone): Ditto.
2353 (compute_may_aliases): Remove used_alone calculation.
2354 * tree.h (struct tree_memory_tag): Remove is_used_alone and
2355 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
2356 * tree-pass.h (PROP_smt_usage): Remove.
2357 * passes.c (execute_todo): Remove used alone recalculation.
2358 (execute_one_pass): Ditto.
2359 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
2362 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
2364 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
2366 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
2368 PR tree-optimization/14784
2369 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
2371 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
2373 Merge from gimple-tuples-branch.
2375 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2377 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
2379 (s390_gimplify_va_arg): Same.
2380 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
2381 * config/sh/sh.c (sh_va_start): Same.
2382 (sh_gimplify_va_arg_expr): Same.
2383 * config/xtensa/xtensa.c (xtensa_va_start): Same.
2384 (xtensa_gimplify_va_arg_expr): Same.
2385 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
2386 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
2387 * config/mips/mips.c (mips_va_start): Same.
2388 (mips_gimplify_va_arg_expr): Same.
2390 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2392 * Merge from mainline at revision 119445.
2394 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2396 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
2398 (spu_gimplify_va_arg_expr): Same.
2400 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2402 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2403 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2404 (xstormy16_expand_builtin_va_arg): Same.
2406 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2408 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
2409 to GIMPLE_MODIFY_STMT.
2411 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2413 * config/alpha/alpha.c (va_list_skip_additions): Change all
2414 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2415 (alpha_va_start): Same.
2416 (alpha_gimplify_va_arg_1): Same.
2417 (alpha_gimplify_va_arg): Same.
2419 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
2421 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
2423 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
2425 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
2426 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
2428 * tree-complex.c: Same.
2429 * tree-pretty-print.c: Same.
2433 * fold-const.c: Same.
2434 * tree-ssa-dom.c: Same.
2435 * tree-ssa-propagate.c: Same.
2436 * tree-ssa-alias.c: Same.
2437 * gimple-low.c: Same.
2438 * dwarf2out.c: Same.
2439 * c-pretty-print.c: Same.
2441 * tree-inline.c: Same.
2442 * tree-outof-ssa.c: Same.
2443 * tree-ssa-structalias.c: Same.
2444 * tree-ssa-reassoc.c: Same.
2447 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
2449 * tree.c (build2_stat): Fix comment.
2451 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
2453 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
2454 TREE_OPERAND when appropriate.
2456 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
2458 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
2459 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
2460 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
2461 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
2462 not handle GIMPLE_MODIFY_STMT in the switch statement.
2463 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
2464 (java_gimplify_new_array_init): Same.
2466 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
2468 * gimplify.c (gimplify_omp_for): Allow gimple statements.
2469 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
2470 * fold-const.c (fold_binary): Allow gimple statements.
2472 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
2473 Rename from gfc_conv_descriptor_data_set.
2474 Call gfc_add_modify instead of gfc_add_modify_expr.
2475 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
2476 Rename from gfc_conv_descriptor_data_set.
2477 (gfc_conv_descriptor_data_set): New macro.
2478 (gfc_conv_descriptor_data_set_tuples): New macros.
2479 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
2480 gfc_conv_descriptor_data_set_tuples.
2481 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
2482 Generate GIMPLE_MODIFY_STMT when appropriate.
2483 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
2484 (gfc_add_modify_expr): New macro.
2485 (gfc_add_modify_stmt): New macro.
2486 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
2488 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
2490 * Merge from mainline at revision 118200.
2492 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2494 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
2497 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2499 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
2501 Also, add __extension__ to GCC versions.
2502 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2503 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
2506 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
2508 * tree-complex.c (expand_complex_libcall): Adjust for
2510 (expand_complex_comparison): Same.
2511 * tree-pretty-print.c (dump_generic_node): Is_expr should include
2512 GIMPLE_STMT_P statements.
2513 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
2515 (tree_mod_pow2_value_transform): Same.
2516 (tree_mod_subtract_transform): Same.
2517 * tree.c (build2_stat): Check for gimplified function in cfun.
2518 * tree.h (DECL_GIMPLIFIED): Delete.
2519 (struct tree_function_decl): Remove gimplified_flag.
2520 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
2521 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
2522 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
2523 (cxx_omp_clause_copy_ctor): Same.
2524 (cxx_omp_clause_assign_op): Same.
2525 * c-pretty-print.c (pp_c_conditional_expression): Same.
2526 (pp_c_expression): Same.
2527 * langhooks.c (lhd_omp_predetermined_sharing): Same.
2528 * function.h (struct function): Add gimplified field.
2529 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
2531 (find_phi_replacement_condition): Same.
2532 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
2533 (gimplify_modify_expr_to_memset): Same.
2534 (gimplify_init_ctor_eval_range): Same.
2535 (gimplify_modify_expr_complex_part): Same.
2536 (tree_to_gimple_tuple): Same.
2537 (gimplify_modify_expr): Same.
2538 (gimple_push_cleanup): Same.
2539 (gimplify_omp_for): Same.
2540 (gimplify_omp_atomic_pipeline): Same.
2541 (gimplify_omp_atomic_mutex): Same.
2542 (gimplify_expr): Same.
2543 (gimplify_one_sizepos): Same.
2544 (gimplify_function_tree): Same.
2545 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
2546 (vect_recog_widen_sum_pattern): Same.
2547 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
2548 (vect_create_epilog_for_reduction): Same.
2549 (vectorizable_reduction): Same.
2551 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
2553 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
2554 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
2555 (ifc_temp_var): Same.
2556 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
2557 for gimple statements.
2558 (vect_analyze_operations): Same.
2559 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
2560 * gimplify.c (gimplify_return_expr): Handle gimple statements.
2561 * lambda-code.c (can_put_in_inner_loop): Same.
2562 (can_put_after_inner_loop): Same.
2563 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2564 (vect_create_data_ref_ptr): Same.
2565 (vect_init_vector): Same.
2566 (vect_get_vec_def_for_operand): Same.
2567 (vect_create_epilog_for_reduction): Same.
2568 (vectorizable_reduction): Same.
2569 (vectorizable_assignment): Same.
2570 (vectorizable_operation): Same.
2571 (vectorizable_load): Same.
2572 (vectorizable_condition): Same.
2573 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
2574 (rs6000_gimplify_va_arg): Same.
2576 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
2578 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
2579 GIMPLE_STMT_OPERAND.
2580 (simplify_abs_using_ranges): Same.
2581 * tree-complex.c (expand_complex_operations_1): Use
2582 PROTECTED_TREE_OPERAND.
2583 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
2585 (get_val_for): Use GIMPLE_STMT_OPERAND.
2586 * tree-tailcall.c (adjust_accumulator_values): Same.
2587 (adjust_return_value): Same.
2588 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
2589 case. Remove special case for tcc_gimple_stmt.
2590 * tree.h (CAN_HAVE_LOCATION_P): New.
2591 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
2593 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
2594 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
2595 * tree-nrv.c (execute_return_slot_opt): Same.
2596 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
2597 * tree-vn.c (set_value_handle): Same.
2598 (get_value_handle): Same.
2599 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
2600 * tree-vectorizer.c (find_loop_location): Same.
2601 * c-typeck.c (c_process_expr_stmt): Same.
2602 (c_finish_stmt_expr): Same.
2603 * gimplify.c (should_carry_locus_p): Same.
2604 (tree_to_gimple_tuple): Delete definition and use of unecessary
2605 variable save_tree_block.
2606 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
2607 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
2608 (realify_fake_stores): Same.
2609 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
2611 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
2612 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
2613 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
2614 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
2615 (c_parser_statement_after_labels): Same.
2616 (c_parser_paren_condition): Same.
2617 (c_parser_for_statement): Same.
2618 (c_parser_omp_for_loop): Same.
2619 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
2620 (linearize_expr_tree): Same.
2621 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
2622 * function.c (instantiate_expr): Same.
2624 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
2626 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
2627 (set_expr_location): Same.
2629 (set_expr_locus): Same.
2630 (expr_filename): Same.
2631 (expr_lineno): Same.
2632 (tree_block): Use GIMPLE_STMT_BLOCK.
2633 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
2634 * tree.h (struct gimple_stmt): Remove prev and next.
2635 (GIMPLE_STMT_OPERAND_CHECK): New.
2636 (TREE_TO_GIMPLE_STMT): Delete.
2637 (GIMPLE_STMT_TO_TREE): Delete.
2638 (GIMPLE_STMT_OPERAND): Use union, not cast.
2639 (GIMPLE_STMT_LOCUS): New.
2640 (GIMPLE_STMT_BLOCK): New.
2641 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
2643 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
2645 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
2647 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
2649 * tree-tailcall.c (adjust_return_value): Same.
2650 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
2651 (copy_node_stat): Change common.base to base.
2652 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
2653 Remove GIMPLE_STATEMENT_LIST case.
2654 * tree.h (struct gimple_stmt): Make operands of type tree.
2655 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2656 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2657 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2658 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2659 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
2660 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2661 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2662 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
2663 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
2664 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
2665 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2666 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
2667 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
2668 Change common.base to base.
2669 (GIMPLE_STATEMENT_LIST*): Remove.
2670 (union tree_node): Add base. Remove gimple_statement_list.
2671 Remove pointer from gstmt.
2672 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
2673 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
2674 * tree-vn.c (vn_compute): Change common.base to base.
2675 * tree-eh.c (verify_eh_throw_stmt_node): Same.
2676 * tree-flow-inline.h (var_ann): Same.
2677 (function_ann): Same.
2679 (mark_non_addressable): Same.
2680 * gimplify.c (tree_to_gimple_tuple): Same.
2681 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
2682 * tree-dfa.c (create_var_ann): Change common.base to base.
2683 (create_function_ann): Same.
2684 (create_stmt_ann): Same.
2685 (create_tree_ann): Same.
2686 (collect_dfa_stats_r): Same.
2687 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
2688 * tree-ssa-dce.c (NECESSARY): Same.
2689 * tree-ssa.c (delete_tree_ssa): Same.
2690 * tree-optimize.c (execute_free_cfg_annotations): Same.
2691 * tree-flow.h: Same.
2693 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
2695 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
2696 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
2698 * tree.h (struct gimple_stmt): Add prev and next fields.
2699 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
2700 (GIMPLE_STATEMENT_LIST_HEAD): New.
2701 (GIMPLE_STATEMENT_LIST_TAIL): New.
2702 (struct gimple_statement_list): New.
2703 (union tree_node): Add gimple_stmt_list and gstmt.
2704 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
2705 * tree.def: Add GIMPLE_STATEMENT_LIST.
2707 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
2709 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
2710 * tree-vrp.c (build_assert_expr_for): Change uses of
2711 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2712 (find_assert_locations): Same.
2713 (remove_range_assertions): Same.
2714 (stmt_interesting_for_vrp): Same.
2715 (vrp_visit_assignment): Same.
2716 (vrp_visit_stmt): Same.
2717 (simplify_cond_using_ranges): Same.
2718 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
2720 * tree-ssa-loop-im.c (movement_possibility): Change uses of
2721 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2723 (determine_invariantness_stmt): Same.
2724 (schedule_sm): Same.
2725 (gather_mem_refs_stmt): Same.
2726 * tree-complex.c (init_dont_simulate_again): Same.
2727 (complex_visit_stmt): Same.
2728 (set_component_ssa_name): Same.
2729 (expand_complex_move): Same.
2730 (expand_complex_div_wide): Same.
2731 (expand_complex_comparison): Same.
2732 (expand_complex_operations_1): Same.
2733 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
2734 (chain_of_csts_start): Same.
2735 (infer_loop_bounds_from_undefined): Same.
2736 * tree-pretty-print.c (dump_generic_node): Same.
2738 (op_symbol_1): Same.
2739 * tree-ssa-loop-manip.c (create_iv): Same.
2740 * value-prof.c (tree_divmod_fixed_value): Same.
2741 (tree_divmod_fixed_value_transform): Same.
2742 (tree_mod_pow2): Same.
2743 (tree_mod_pow2_value_transform): Same.
2744 (tree_mod_subtract): Same.
2745 (tree_mod_subtract_transform): Same.
2746 (tree_divmod_values_to_profile): Same.
2747 * tree-tailcall.c (process_assignment): Same.
2748 (find_tail_calls): Same.
2749 (adjust_accumulator_values): Same.
2750 (adjust_return_value): Same.
2751 (eliminate_tail_call): Same.
2752 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
2753 (make_node_stat): Same.
2754 (copy_node_stat): Handle gimple tuples.
2755 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
2756 (tree_node_structure): Handle tcc_gimple_stmt.
2757 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
2759 (build2_gimple_stat): New.
2760 (expr_location): New.
2761 (set_expr_location): New.
2762 (expr_has_location): New.
2764 (set_expr_locus): New.
2765 (expr_filename): New.
2767 (walk_tree): Handle tcc_gimple_stmt.
2769 (protected_tree_operand): New.
2770 (protected_tree_type): New.
2771 (tree_code_kind): Add gimple statements.
2772 * tree.h (tree_code_class): Add tcc_gimple_stmt.
2773 (IS_GIMPLE_STMT_CODE_CLASS): New.
2774 (struct tree_base): New.
2775 (struct tree_common): Shrink.
2776 (struct gimple_stmt): New.
2777 (struct gimple_expr): New.
2778 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2779 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2780 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2781 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2782 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2783 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2784 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2785 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2786 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2787 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2788 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2789 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2790 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2791 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2792 Adjust for new `common' layout.
2793 (struct tree_function_decl): Add gimplified_flag.
2794 (DECL_GIMPLIFIED): NEW.
2795 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2796 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2797 EXPR_HAS_LOCATION): Call corresponding function.
2798 (GIMPLE_STMT_CHECK): New.
2799 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2800 (TREE_BLOCK): Call tree_block.
2801 (GIMPLE_STMT_P): New.
2802 (GIMPLE_TUPLE_P): New.
2803 (TREE_TO_GIMPLE_STMT): New.
2804 (GIMPLE_STMT_TO_TREE): New.
2805 (GIMPLE_STMT_OPERAND): New.
2806 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2807 (PROTECTED_TREE_OPERAND): New.
2808 (PROTECTED_TREE_TYPE): New.
2809 (build2_gimple_stat): Protoize.
2810 (build2_gimple): New.
2811 (expr_location): Protoize.
2812 (set_expr_location): Protoize.
2813 (expr_has_location): Protoize.
2814 (expr_locus): Protoize.
2815 (set_expr_locus): Protoize.
2816 (expr_filename): Protoize.
2817 (expr_lineno): Protoize.
2818 (tree_block): Protoize.
2819 (protected_tree_operand): Protoize.
2820 (protected_tree_type): Protoize.
2821 (enum tree_node_kind): Add gimple_stmt_kind.
2822 * c-decl.c (union lang_tree_node): Tuples do not have a
2824 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2825 GIMPLE_MODIFY_STMT and adjust accordingly.
2826 * tree-scalar-evolution.c (follow_ssa_edge): Same.
2827 (interpret_condition_phi): Same.
2828 (pointer_used_p): Same.
2829 (analyze_scalar_evolution_1): Same.
2830 (scev_const_prop): Same.
2831 (interpret_rhs_modify_stmt): Rename from
2832 interpret_rhs_modify_expr.
2833 * builtins.c (std_expand_builtin_va_start): Change uses of
2834 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2835 (std_gimplify_va_arg_expr): Same.
2836 (expand_builtin_va_copy): Same.
2837 (integer_valued_real_p): Same.
2838 * fold-const.c (maybe_lvalue_p): Same.
2840 (tree_expr_nonnegative_p): Same.
2841 (tree_expr_nonzero_p): Same.
2842 * omp-low.c (extract_omp_for_data): Same.
2843 (lower_rec_input_clauses): Same.
2844 (lower_reduction_clauses): Same.
2845 (lower_copyprivate_clauses): Same.
2846 (lower_send_clauses): Same.
2847 (lower_send_shared_vars): Same.
2848 (expand_parallel_call): Same.
2849 (expand_omp_parallel): Same.
2850 (expand_omp_for_generic): Same.
2851 (expand_omp_for_static_nochunk): Same.
2852 (expand_omp_for_static_chunk): Same.
2853 (expand_omp_sections): Same.
2854 (lower_omp_single_copy): Same.
2855 (lower_omp_parallel): Same.
2856 * tree-ssa-dse.c (memory_address_same): Same.
2857 (dse_optimize_stmt): Same.
2858 * ipa-reference.c (scan_for_static_refs): Same.
2859 * tree-gimple.c (is_gimple_reg_rhs): Same.
2860 (get_call_expr_in): Same.
2861 (recalculate_side_effects): Same.
2862 * cgraphunit.c (cgraph_create_edges): Same.
2863 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2864 * tree-ssa-ccp.c (get_default_value): Same.
2865 (likely_value): Same.
2866 (visit_assignment): Same.
2867 (ccp_visit_stmt): Same.
2868 (get_maxval_strlen): Same.
2869 (ccp_fold_builtin): Same.
2870 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2871 (find_givs_in_stmt): Same.
2872 (find_interesting_uses_op): Same.
2873 (find_interesting_uses_stmt): Same.
2874 (rewrite_use_nonlinear_expr): Same.
2875 * ipa-pure-const.c (scan_function): Same.
2876 * tree-stdarg.c (va_list_counter_bump): Same.
2877 (check_all_va_list_escapes): Same.
2878 (execute_optimize_stdarg): Same.
2879 * tree-ssa-math-opts.c (compute_merit): Same.
2880 (insert_reciprocals): Same.
2881 (execute_cse_reciprocals): Same.
2882 * tree-ssa-dom.c (initialize_hash_element): Same.
2883 (simple_iv_increment_p): Same.
2884 (record_equivalences_from_stmt): Same.
2885 (optimize_stmt): Same.
2886 (remove_stmt_or_phi): Same.
2887 (get_rhs_or_phi_arg): Same.
2888 (get_lhs_or_phi_result): Same.
2889 (propagate_rhs_into_lhs): Same.
2890 * tree-nrv.c (tree_nrv): Same.
2891 (execute_return_slot_opt): Same.
2892 * tree-ssa-propagate.c (get_rhs): Same.
2894 (stmt_makes_single_load): Same.
2895 (stmt_makes_single_store): Same.
2896 (replace_vuses_in): Same.
2897 (fold_predicate_in): Same.
2898 (substitute_and_fold): Same.
2899 * tree-ssa-alias.c (compute_call_clobbered): Same.
2900 (recalculate_used_alone): Same.
2901 (count_uses_and_derefs): Same.
2902 (is_escape_site): Same.
2903 (find_used_portions): Same.
2904 * gimple-low.c (lower_stmt): Same.
2905 (block_may_fallthru): Same.
2906 (lower_return_expr): Same.
2907 * tree-ssa-sink.c (is_hidden_global_store): Same.
2908 (statement_sink_location): Same.
2909 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2910 * expr.c (safe_from_p): Same.
2911 (expand_expr_real): Same.
2912 (expand_expr_real_1): Same.
2913 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2914 * predict.c (expr_expected_value): Same.
2915 (strip_builtin_expect): Same.
2916 (apply_return_prediction): Same.
2917 (tree_bb_level_predictions): Same.
2918 (tree_estimate_probability): Same.
2919 * tree-vn.c (vn_compute): Same.
2920 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2921 (remove_stmt_from_eh_region_fn): Same.
2922 (do_return_redirection): Same.
2923 (honor_protect_cleanup_actions): Same.
2924 (lower_try_finally_switch): Same.
2925 (lower_eh_constructs_1): Same.
2926 (tree_could_throw_p): Same.
2927 (verify_eh_throw_stmt_node): Same.
2928 * function.c (gimplify_parameters): Same.
2929 * tree-vectorizer.c (vect_is_simple_use): Same.
2930 (vect_is_simple_reduction): Same.
2931 * ipa-type-escape.c (scan_for_refs): Same.
2932 * tree-if-conv.c (tree_if_conversion): Same.
2933 (tree_if_convert_stmt): Same.
2934 (if_convertible_gimplify_modify_stmt_p): Rename from
2935 if_convertible_modify_expr_p.
2936 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2937 (ifc_temp_var): Same.
2938 (replace_phi_with_cond_modify_stmt): Rename from
2939 replace_phi_with_cond_modify_expr.
2940 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2941 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2942 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2944 * tree-flow-inline.h (var_ann): Same.
2945 (function_ann): Same.
2947 (mark_non_addressable): Same.
2948 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2949 * gimplify.c (tree_to_gimple_tuple): New.
2950 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2951 (gimplify_return_expr): Same.
2952 (gimplify_decl_expr): Same.
2953 (gimplify_self_mod_expr): Same.
2954 (gimplify_cond_expr): Same.
2955 (gimplify_init_constructor): Same.
2956 (gimplify_modify_expr): Same.
2957 (gimplify_expr): Same.
2958 (gimplify_function_tree): Same.
2959 (force_gimple_operand): Same.
2960 * tree-ssa-phiopt.c (conditional_replacement): Same.
2961 (minmax_replacement): Same.
2962 (abs_replacement): Same.
2963 * tree-dfa.c (create_var_ann): Same.
2964 (create_function_ann): Same.
2965 (create_stmt_ann): Same.
2966 (create_tree_ann): Same.
2967 (collect_dfa_stats_r): Same.
2968 * tree-ssa-pre.c (find_or_generate_expression): Same.
2969 (create_expression_by_pieces): Same.
2970 (try_look_through_load): Same.
2971 (insert_fake_stores): Same.
2972 (realify_fake_stores): Same.
2973 (compute_avail): Same.
2976 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2977 Adjust for GIMPLE_MODIFY_STMT.
2978 (NECESSARY): Adjust for new `common' layout.
2979 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2981 * tree-sra.c (sra_walk_modify_stmt): Rename from
2982 sra_walk_modify_expr.
2983 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2984 (generate_copy_inout): Same.
2985 (generate_element_copy): Same.
2986 (generate_element_zero): Same.
2987 (scalarize_copy): Same.
2988 * tree-mudflap.c (mf_decl_cache_locals): Same.
2989 (mf_build_check_statement_for): Same.
2990 (mf_xform_derefs): Same.
2991 * ipa-prop.c (ipa_method_modify_stmt): Same.
2992 * print-tree.c (print_node): Handle gimple tuples.
2993 Add case for tcc_gimple_stmt.
2994 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2996 (copy_prop_visit_assignment): Same.
2997 (copy_prop_visit_stmt): Same.
2998 (init_copy_prop): Same.
2999 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
3000 (forward_propagate_into_cond_1): Same.
3001 (find_equivalent_equality_comparison): Same.
3002 (tidy_after_forward_propagate_addr): Same.
3003 (forward_propagate_addr_expr_1): Same.
3004 (simplify_not_neg_expr): Same.
3005 (simplify_switch_expr): Same.
3006 * tree-ssa-dce.c (find_pdom): Same.
3007 (mark_stmt_if_obviously_necessary): Same.
3008 (NECESSARY): Adjust for new `common' layout.
3009 * tree-flow.h: Same.
3010 * tree-vect-patterns.c (widened_name_p): Adjust for
3012 (vect_recog_dot_prod_pattern): Same.
3013 (vect_recog_widen_sum_pattern): Same.
3014 (vect_pattern_recog_1): Same.
3015 * tree-nested.c (init_tmp_var): Same.
3016 (save_tmp_var): Same.
3018 (convert_call_expr): Same.
3019 (finalize_nesting_tree_1): Same.
3020 * tree-ssa.c (verify_ssa): Same.
3021 (delete_tree_ssa): Same.
3022 * lambda-code.c (lbv_to_gcc_expression): Same.
3023 (lle_to_gcc_expression): Same.
3024 (lambda_loopnest_to_gcc_loopnest): Same.
3025 (can_put_in_inner_loop): Same.
3026 (can_convert_to_perfect_nest): Same.
3027 (perfect_nestify): Same.
3028 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
3029 * tree-inline.c (copy_body_r): Same.
3030 (setup_one_parameter): Same.
3031 (initialize_inlined_parameters): Same.
3032 (estimate_num_insns_1): Same.
3033 (expand_call_inline): Same.
3034 (gimple_expand_calls_inline): Same.
3035 (copy_tree_r): Same.
3036 * tree-optimize.c (execute_free_cfg_annotations): Same.
3037 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
3038 (vect_align_data_ref): Same.
3039 (vect_create_data_ref_ptr): Same.
3040 (vect_init_vector): Same.
3041 (vect_create_epilog_for_reduction): Same.
3042 (vectorizable_reduction): Same.
3043 (vectorizable_assignment): Same.
3044 (vectorizable_operation): Same.
3045 (vectorizable_store): Same.
3046 (vectorizable_load): Same.
3047 (vectorizable_live_operation): Same.
3048 (vectorizable_condition): Same.
3049 (vect_generate_tmps_on_preheader): Same.
3050 (vect_create_cond_for_align_checks): Same.
3051 * tree-object-size.c (collect_object_sizes_for): Same.
3052 (check_for_plus_in_loops_1): Same.
3053 (check_for_plus_in_loops): Same.
3054 * tree-outof-ssa.c (insert_copy_on_edge): Same.
3055 (replace_use_variable): Same.
3056 (check_replaceable): Same.
3057 (rewrite_trees): Same.
3058 (identical_copies_p): Same.
3059 (insert_backedge_copies): Same.
3060 * tree-profile.c (tree_gen_edge_profiler): Same.
3061 * tree-vect-generic.c (expand_vector_operations_1): Same.
3062 * tree-ssa-structalias.c (update_alias_info): Same.
3063 (find_func_aliases): Same.
3064 * tree-cfg.c (factor_computed_gotos): Same.
3066 (make_goto_expr_edges): Same.
3067 (tree_merge_blocks): Same.
3068 (remove_useless_stmts_cond): Same.
3069 (remove_useless_stmts_1): Same.
3070 (tree_find_edge_insert_loc): Same.
3071 (verify_expr): Same.
3072 (gimplify_val): Same.
3073 (verify_gimple_tuples_1): New.
3074 (verify_gimple_tuples): New.
3075 (verify_stmts): Call verify_gimple_tuples.
3076 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
3077 (get_unary_op): Same.
3078 (linearize_expr): Same.
3079 (get_single_immediate_use): Same.
3080 (negate_value): Same.
3081 (should_break_up_subtract): Same.
3082 (break_up_subtract): Same.
3083 (repropagate_negates): Same.
3084 (break_up_subtract_bb): Same.
3085 (reassociate_bb): Same.
3086 * config/i386/i386.c (ix86_va_start): Same.
3087 (ix86_gimplify_va_arg): Same.
3088 * stmt.c (expand_expr_stmt): Same.
3089 (warn_if_unused_value): Same.
3090 (expand_return): Same.
3091 * tree-ssanames.c (make_ssa_name): Same.
3092 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
3093 * tree-ssa-operands.c (finalize_ssa_defs): Same.
3094 (add_virtual_operand): Same.
3095 (get_expr_operands): Same.
3096 (parse_ssa_operands): Same.
3097 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
3099 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
3101 * config.host: Remove extra blank line.
3103 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
3105 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
3106 target is also an x86 variant.
3108 2006-12-05 Richard Guenther <rguenther@suse.de>
3110 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
3111 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
3112 (ix86_builtin_vectorized_function): New function to vectorize
3115 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
3117 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
3118 ia64_override_options.
3120 2006-12-04 Jan Hubicka <jh@suse.cz>
3122 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
3125 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
3127 * rtlanal.c (note_uses): Deal with SEQUENCEs.
3128 * config/bfin/bfin.c: Include "timevar.h".
3129 (bfin_flag_schedule_insns2, splitting_for_sched,
3130 bfin_flag_var_tracking): New variables.
3131 (print_operand): Handle '%!'.
3132 (override_options): Disable normal sched2 pass, instead set
3133 bfin_flag_schedule_insns2 for reorg to handle it.
3134 (output_file_start): Likewise for var-tracking.
3135 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
3136 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
3138 (bfin_reorg): Do second scheduling pass here, and call
3139 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
3140 of examining insns directly. If bfin_flag_var_tracking, call
3141 var-tracking pass when done with everything else.
3142 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
3143 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
3144 (movsi_insn32): New pattern, with two new splits to create it
3145 before the final scheduling pass.
3146 (neghi2): Not a dsp32 insn, rather alu0.
3147 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
3148 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
3149 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
3150 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
3151 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
3152 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
3153 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
3154 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
3155 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
3156 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
3157 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
3158 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
3159 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
3160 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
3161 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
3162 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
3163 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
3164 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
3165 variants instead of ';'.
3166 (ror_one, rol_one): Likewise. Make them dsp32 insns.
3167 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
3168 (align8, align16, align24): Now named patterns; also using '%!'.
3171 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
3173 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
3174 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
3176 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3178 * config/spu/spu-protos.c (spu_split_address): Add.
3179 * config/spu/spu.c (spu_split_address): Add.
3180 (print_operand): Handle HIGH.
3181 (spu_legitimate_address): Don't test for aligned CONST.
3182 (spu_expand_mov): Don't split addresses here.
3183 * config/spu/constraints.md (A): Don't test legitimate_const.
3184 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
3185 (ceq_di): Use correct predicates.
3187 2006-12-04 Eric Christopher <echristo@apple.com>
3189 * config/darwin.h: Update copyright notice.
3190 * config/i386/darwin.h: Ditto.
3192 2006-12-04 Jan Hubicka <jh@suse.cz>
3194 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
3195 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
3197 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
3199 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
3201 * tree-ssa-structalias.c (set_used_smts): Export.
3202 (find_what_p_points_to): Don't call set_used_smts here.
3203 * tree-ssa-structalias.h (set_used_smts): Add prototype.
3205 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
3207 * tree-ssa-alias.c (compute_may_aliases):
3208 Compute flow sensitive before flow insensitive.
3209 (compute_flow_sensitive_aliasing): Don't try to add
3210 a symbol memory tag to itself.
3212 * alias.h (alias_set_subset_of): New prototype.
3214 * alias.c (alias_set_subset_of): New function.
3216 * tree-ssa-structalias.c: Update comments.
3217 (struct variable_info): Add finished_solution.
3218 (new_varinfo): Set finished solution to NULL.
3219 (var_escaped_vars): Remove.
3220 (escaped_vars_tree): Remove.
3221 (escaped_vars_id): Remove.
3222 (nonlocal_vars_id): Remove.
3223 (constraint_expr_type): Add INCLUDES.
3224 (graph_size): Removed.
3225 (dump_constraint): Support INCLUDES.
3226 (build_constraint_graph): Ditto.
3227 (collapse_nodes): Add merge_solutions argument.
3228 Don't merge attributes.
3229 (process_unification_queue): Just use collapse_nodes.
3230 (perform_var_substitution): Update call to collapse_nodes.
3231 (get_constraint_exp_from_ssa_var): Use INCLUDES.
3232 (process_constraint): Fix non-field sensitive handling
3234 (get_constraint_for): Use INCLUDES.
3235 (make_constraint_from_anything): Renamed from
3236 make_constraint_from_escaped.
3237 (make_constraint_to_escaped): Removed.
3238 (find_global_initializers): Removed.
3239 (create_variable_info_for): Do not make constraints to escaped
3241 (dump_solution_for_var): Don't print out the equivalent points-to
3242 sets, just use the name of the variable it shares it with.
3243 (intra_create_variable_infos): Use INCLUDES.
3244 Change nonlocal variable sets to anything sets.
3245 (init_base_vars): Remove escaped_vars and nonlocal_var
3247 (find_escape_constraints): Removed.
3248 (delete_points_to_sets): Remove dead code.
3249 (used_smt_calculated): New variable.
3250 (set_used_smts): New function.
3251 (merge_smts_into): New function.
3252 (find_what_p_points_to): Modify to use SMTs.
3253 (create_nonlocal_var): Remove.
3255 * tree-ssa-operands.c (access_can_touch_variable): Remove
3256 reference to nonlocal_all.
3258 * tree-ssa.c (verify_name_tags): Remove.
3260 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
3262 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
3263 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
3265 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
3267 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
3268 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
3269 (add_livein_if_notdef): Delete.
3270 (loe_visit_block): New. Propogate live on entry info for a block into
3271 each predecessor. If it changes, make sure it is visited again.
3272 (live_worklist): Visit every block and update the live on entry info
3273 for preds. Iterate over any that changed.
3274 (set_var_live_on_entry): Populate the live on entry blocks with bits
3275 based on the immediate uses of a var.
3276 (calculate_live_on_entry): Remove.
3277 (calculate_live_on_exit): Calculate live on exit based on the newly
3278 oriented live on entry bits.
3279 (calculate_live_ranges): Build live on entry and exit vectors.
3280 (dump_live_info): Use new orientation of live on entry bitmaps.
3281 (verify_live_on_entry): New. Split out verification code from old
3282 calculate_live_on_entry routine.
3283 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
3284 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
3285 basic_block instead of for a partition.
3286 (live_merge_and_clear): Add asserts.
3287 (make_live_on_entry): Set partition bit in basic block vector.
3289 2006-12-04 Jakub Jelinek <jakub@redhat.com>
3292 * omp-low.c (expand_omp_for_static_nochunk,
3293 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
3297 * omp-low.c (determine_parallel_type): Don't try to optimize combined
3298 parallels if region->exit or region->inner->exit is NULL.
3299 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
3301 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
3302 (expand_omp_for): Use expand_omp_for_generic if either region->cond
3303 or region->exit is NULL.
3304 (expand_omp_sections): Handle NULL region->cond or region->exit.
3307 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3309 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
3310 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
3312 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
3314 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
3315 TYPE_MAX_VALUE for scalar types here but...
3316 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
3317 is attached an error mark, and the return value of the callback
3318 if it is not NULL_TREE.
3320 2006-12-04 Ben Elliston <bje@au.ibm.com>
3322 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
3324 2006-12-03 Eric Christopher <echristo@apple.com>
3327 * config/t-slibgcc-darwin: Pass -install_name.
3328 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
3329 libtool. Only pass through options that the linker recognizes.
3330 (LINK_SPEC): Update comment. Translate options.
3331 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
3332 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
3334 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
3336 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
3338 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
3341 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
3342 operands[1] in insn constraint. Correct type attribute to sselog1.
3344 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
3347 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
3349 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
3350 processor detection.
3352 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
3353 -march=native if there is no -mtune=*.
3355 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
3358 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3360 * doc/install.texi: Update recommended MPFR version. Remove
3361 obsolete reference to cumulative patch.
3363 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
3366 * c-decl.c (store_parm_decls_oldstyle): Robustify.
3368 2006-11-30 Jan Hubicka <jh@suse.cz>
3369 Uros Bizjak <ubizjak@gmail.com>
3371 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
3372 32bit memcpy/memset decriptors.
3373 (decide_alg): With -minline-all-stringops and sizes that are best
3374 to be copied via libcall still work hard enough to pick non-libcall
3377 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
3379 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
3381 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
3382 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
3383 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
3384 config/sh/sh4-300.md, config/spu/spu-builtins.def,
3385 config/spu/spu-c.c, config/spu/spu-modes.def,
3386 config/spu/spu.c, config/spu/spu.md,
3387 config/spu/spu_internals.h, config/spu/vmx2spu.h,
3388 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
3389 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
3390 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
3391 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
3392 spelling conventions.
3394 * config/i386/i386.c: Fix a comment typo.
3396 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3398 * config/spu/spu.c (spu_immediate): Remove trailing comma.
3399 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
3400 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
3401 better optimization.
3402 (floatv4siv4sf2): New.
3403 (fix_truncv4sfv4si2): New.
3404 (floatunsv4siv4sf2): New.
3405 (fixuns_truncv4sfv4si2): New.
3413 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
3414 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
3415 spu_resolve_overloaded_builtin instead of static inline functions.
3417 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
3419 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
3420 type instead of the size of its mode to compute the highest and
3421 lowest possible values. Still check the size of the mode before
3422 flipping the signedness of the comparison.
3424 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3426 * config/spu/predicates.md (spu_mov_operand): Add.
3427 * config/spu/spu.c (spu_expand_extv): Remove unused code.
3428 (print_operand_address, print_operand): Handle addresses containing AND.
3429 (spu_split_load, spu_split_store): Use updated movti pattern.
3430 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
3431 stores in mov patterns for correct operation of reload.
3432 (lq, lq_<mode>, stq, stq_<mode>): Remove.
3434 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3437 * c-common.c (check_main_parameter_types): Check for error_mark_node.
3439 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
3441 * common.opt (ftree-combine-temps): Remove.
3442 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
3443 (coalesce_ssa_name): Don't check for combine-temps.
3444 (coalesce_vars): Remove.
3445 (check_replaceable): Use num_imm_uses.
3446 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
3447 check for combine-temps.
3448 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
3449 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
3450 to register_ssa_partition calls.
3451 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
3452 (init_var_map, delete_var_map): remove refernces to ref_count.
3453 (create_ssa_var_map): Never calculate a ref count.
3454 (type_var_init): Remove.
3455 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
3456 (SSA_VAR_MAP_REF_COUNT): Delete.
3457 (create_ssa_var_map): Change Prototype to have no parameters.
3458 (version_ref_count): Delete.
3459 (register_ssa_partition): Remove 'is_use' paramater and don't set the
3461 (type_var_num, type_var, type_var_first_partition,
3462 type_var_next_partition, type_var_dump, type_var_delete,
3463 type_var_remove_partition, type_var_find, type_var_compact,
3464 type_var_decompact): Remove.
3466 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
3468 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
3471 2006-12-01 Richard Guenther <rguenther@suse.de>
3474 * dwarf2out.c (struct pubname_struct): Make name const.
3475 (add_pubtype): Do not xstrdup identifiers.
3477 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
3479 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
3480 multiword accesses are in range.
3482 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
3484 PR tree-optimization/29921
3485 * tree-ssa-ccp.c (canonicalize_float_value): New function.
3486 (set_lattice_value): Use canonicalize_float_value.
3488 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
3490 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
3491 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
3492 (spu_cpu_cpp_builtins): Remove.
3493 (spu_override_options): Don't set warn_main.
3494 (spu_force_reg): Move from spu-c.c.
3495 (spu_check_builtin_parm): Likewise.
3496 (expand_builtin_args): Likewise.
3497 (spu_expand_builtin_1): Likewise.
3498 (spu_expand_builtin): Likewise.
3499 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
3500 warn_main and targetm.resolve_overloaded_builtin.
3501 * config/spu/spu-c.c (spu_builtin_range): Remove.
3502 (spu_check_builtin_parm): Remove.
3503 (expand_builtin_args): Remove.
3504 (spu_expand_builtin_1): Remove.
3505 (spu_expand_builtin): Remove.
3506 (spu_cpu_cpp_builtins): Moved from spu.c
3507 (spu_force_reg): Remove.
3509 2006-12-01 Joseph Myers <joseph@codesourcery.com>
3510 David Edelsohn <edelsohn@gnu.org>
3513 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
3514 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
3515 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
3516 HARD_REGNO_NREGS_WITH_PADDING): Define.
3517 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
3518 HARD_REGNO_NREGS_WITH_PADDING): Define.
3519 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
3520 Use new macros to detect modes with holes; do not look at integer
3522 (subreg_offset_representable_p): Check for and disallow cases
3523 where the modes use different numbers of bits from registers.
3524 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
3525 constant for soft-float.
3526 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
3528 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
3529 in E500 double case.
3530 * config/rs6000/rs6000.md (movtf): Allow soft-float.
3531 (movtf_softfloat): New.
3533 2006-11-30 Richard Sandiford <richard@codesourcery.com>
3535 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
3536 simplify_gen_subreg.
3538 2006-11-30 Andrew Macleod <amacleod@redhat.com>
3540 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
3541 (COALESCE_HASH_FN): New. Define hash function.
3542 (partition_pair_map_hash): New. Hash value for a partition pair.
3543 (partition_pair_map_eq): New. Equality for hash pairs.
3544 (create_coalesce_list): Create hash table.
3545 (delete_coalesce_list): Free hash table.
3546 (find_partition_pair): Find/create pairs in hash table.
3547 (compare_pairs): Sort pairs in ascending order now.
3548 (num_coalesce_pairs): New. Number of pairs in hash table.
3549 (struct partition_pair_iterator): Iterator struct for pair table.
3550 (first_partition_pair): Iterator function for first pair.
3551 (end_partition_pair_p): Iterator function for end of iteration.
3552 (next_partition_pair): Iterator function for next pair.
3553 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
3554 (sort_coalesce_list): Sort pairs from hash table into an array.
3555 (pop_best_coalesce): Take pairs from the array.
3556 (dump_coalesce_list): Update to use hash table or sorted array.
3557 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
3558 (struct coalesce_list_d): Add hash table related fields.
3560 2006-11-30 Jan Hubicka <jh@suse.cz>
3563 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
3564 memmove/bcopy->memcpy conversion.
3566 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
3568 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
3569 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
3570 Default is the largest alignment supported for 32-bit ELF and
3571 representable on a 32-bit host.
3573 2006-11-30 Janis Johnson <janis187@us.ibm.com>
3575 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
3577 2006-11-30 Jan Hubicka <jh@suse.cz>
3579 * tree-ssa-operands.h (struct ssa_operands): New.
3580 * tree-flow-inline.h (gimple_ssa_operands): New function.
3581 * tree-flow.h: (struct gimple_df): Add ssa_operands.
3582 * Makefile.in: Remove gt-tree-ssa-operands.h
3583 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
3584 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
3585 operand_memory, operand_memory_index, ops_active): Remove statics.
3586 (ALLOC_OPTYPE): Update.
3587 (operand_build_sort_virtual): Update.
3588 (ssa_operands_active): Update.
3589 (init_ssa_operands): Update.
3590 (fini_ssa_operands): Update.
3591 (ssa_operand_alloc): Update.
3592 (INITIALIZE_USE): Update.
3593 (finalize_ssa_use_ops): Update.
3594 (finalize_ssa_v_may_def_ops): Update.
3595 (finalize_ssa_vuse_ops): Update.
3596 (finalize_ssa_v_must_def_ops): Update.
3598 2006-11-30 Richard Guenther <rguenther@suse.de>
3600 * tree-vectorizer.h (vectorizable_function): Export.
3601 * tree-vect-transform.c (vectorizable_function): Likewise.
3602 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
3603 type_in to scalar type in recognition of squaring.
3604 Make sure the target can vectorize sqrt in recognition
3605 of sqrt, set type_in to vector type in this case.
3607 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3609 * config/i386/i386.md (R10_REG): New constant.
3610 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
3611 (ix86_emit_restore_regs_using_mov): Ditto.
3612 (ix86_expand_call): Ditto.
3613 (x86_output_mi_thunk): Ditto. Also use R10_REG.
3615 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3617 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
3618 * alias.c (canon_true_dependence): Update comment.
3620 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3622 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
3623 at the end of a diagnostics message.
3625 * alloc-pool.c (pool_free): Postpone clearing the pool entry
3626 until after asserting that it was allocated in the right pool.
3628 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
3629 successor edge information as well. Make output of live regs
3630 on exit consistent with live regs on entry.
3632 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3635 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
3636 insn patterns for TARGET_80387.
3637 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
3638 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
3639 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
3640 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
3641 Generate truncxf<mode>2 insn patterns for strict SSE math.
3643 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3645 * config/i386/i386.md (movsf_1): Enable pattern for standard
3646 80387 constants before reload when optimizing for size.
3647 (*movdf_nointeger, *movdf_integer): Ditto.
3648 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
3649 80387 constants before reload when not optimizing for size.
3651 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
3652 extension of XFmode input operands.
3654 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3656 * config/spu/crt0.c (__dso_handle): Define.
3658 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
3660 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
3661 when clearing the used flags.
3663 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3665 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
3667 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3670 * config/spu/spu.md (extend_compare<mode>): New pattern.
3671 (extend_compare): Change to expand and use the above pattern.
3673 2006-11-29 Janis Johnson <janis187@us.ibm.com>
3675 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
3677 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
3678 (DFP_INIT_ROUNDMODE): Define.
3679 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
3680 * mklibgcc.in: Fix dependencies for dfp-bit.c.
3682 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
3684 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
3685 Update documentation.
3686 (associate_line_notes_with_blocks): Kill.
3687 (extend_bb): Remove basic block argument, put void instead.
3688 Remove line number handling for each bb.
3689 (save_line_notes): Kill.
3690 (restore_line_notes): Kill.
3691 (sched_init): Remove line_note_head initialization.
3692 Change extend_bb call.
3693 (sched_finish): Remove free of line_note_head.
3694 (add_block): Change extend_bb call.
3695 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
3696 rm_line_notes and restore_line_notes calls.
3697 (schedule_ebbs): Remove rm_redundant_line_notes.
3698 * sched-int.h (struct haifa_insn_data): Remove line_note.
3699 (save_line_notes): Remove declaration.
3700 (restore_line_notes): Remove declaration.
3701 * modulo-sched.c (loop_canon_p): Update debug info printing
3702 by using insn locators instead of line note.
3703 (sms_schedule): Update debug info printing, by using insn
3704 locators instead of line note.
3705 * sched-rgn.c (debug_dependencies): Remove handling of case
3706 n>0 (line number), since it's a dead code.
3707 (schedule_region): Remove save_line_notes and
3708 restore_line_notes calls.
3710 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3712 * config/rs6000/predicates.md (gpc_reg_operand): Check
3713 invalid_e500_subreg.
3714 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
3715 SImode subregs of SPE vectors.
3716 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
3717 * jump.c (true_regnum): Require subregs to satisfy
3718 subreg_offset_representable_p.
3720 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
3721 Steven Bosscher <stevenb.gcc@gmail.com>
3723 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3724 since it no longer exists.
3726 2006-11-29 Duncan Sands <baldrick@free.fr>
3728 PR tree-optimization/23744
3729 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
3731 2006-11-29 Duncan Sands <baldrick@free.fr>
3733 PR tree-optimization/23744
3734 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3736 2006-11-29 Duncan Sands <baldrick@free.fr>
3738 PR tree-optimization/23744
3739 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3741 2006-11-29 Jie Zhang <jie.zhang@analog.com>
3743 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3745 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
3747 * sh.opt (minline-ic_invalidate): New option.
3748 (musermode): Adjust comment.
3749 * sh.c (sh_initialize_trampoline): Emit library call unless
3750 is set; if it is set, don't emit library call if we can use icbi
3752 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3753 icbi for TARGET_SH4_300.
3754 * t-sh (LIB1ASMFUNCS_CACHE): Set.
3755 * doc/invoke.texi: Document -minline-ic_invalidate; Update
3756 -musermode documentation.
3758 2006-11-29 Jim Tison <jtison@us.ibm.com>
3760 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3761 __gthread_recursive_mutex_init): Define.
3763 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3765 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3766 STRICT_ALIGNMENT and the type is more aligned than the saved
3767 registers, copy via a temporary.
3769 2006-11-28 Andrew Pinski <pinskia@gmail.com>
3772 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3775 2006-11-28 Bob Wilson <bob.wilson@acm.org>
3777 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3779 2006-11-28 Jan Hubicka <jh@suse.cz>
3781 Privatize SSA variables into gimple_df.
3782 * tree-flow-inline.h
3783 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3784 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3785 gimple_nonlocal_all): New accessors.
3786 (first_referenced_var): Update.
3787 (mark_stmt_modified): Update.
3788 (is_call_clobbered): Update.
3789 (mark_call_clobbered): Update.
3790 (clear_call_clobbered): Update.
3791 (mark_non_addressable): Update.
3792 * tree-vrp.c (get_value_range): Update.
3793 * tree-into-ssa.c (in_ssa_p): Kill.
3794 (get_default_def_for): Update.
3795 (rewrite_into_ssa): Update.
3796 * tree-complex.c (init_parameter_lattice_values): Update.
3797 (update_complex_assignment): Update.
3798 (update_parameter_components): Update.
3799 (expand_complex_libcall): Update.
3800 (expand_complex_operations_1): Update.
3801 * tree-tailcall.c (arg_needs_copy_p): Update.
3802 (add_virtual_phis): Update.
3803 (tree_optimize_tail_calls_1): Update.
3804 * tree-ssa-dse.c (memory_ssa_name_same): Update.
3805 * tree-ssa-copyrename.c
3806 (copy_rename_partition_coalesce): Update.
3807 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3808 * tree-ssa-propagate.c (set_rhs): Update.
3809 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3810 addressable_vars, global_var):Kill.
3811 (set_initial_properties): Update.
3812 (init_alias_info): Update.
3813 (finalize_ref_all_pointers): Update.
3814 (setup_pointers_and_addressables): Update.
3815 (maybe_create_global_var): Update.
3816 (create_global_var): Update.
3817 (dump_points_to_info): Update.
3818 * function.h (struct gimple_df): Forward declare.
3819 (struct function): Add GIMPLE_DF field.
3820 * gimplify.c (force_gimple_operand): Update.
3821 * tree-dfa.c (referenced_vars, default_defs): KIll.
3822 (make_rename_temp): Update.
3823 (dump_variable): Update.
3824 (referenced_var_lookup): Update.
3825 (referenced_var_check_and_insert): Update.
3826 (default_def): Rename to ...
3827 (gimple_default_def): ... this one; accept cfun argument.
3828 (set_default_def): Update.
3829 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3830 (cleanup_control_flow): Update.
3831 * tree-ssa-pre.c (compute_avail): Update
3832 * tree-ssa-live.c (calculate_live_on_entry): Update.
3833 * tree-ssa.c (verify_use): Update.
3834 (verify_call_clobbering): Update.
3835 (verify_call_clobbering): Update.
3836 (init_tree_ssa): Update.
3837 (delete_tree_ssa): Update.
3838 * tree-outof-ssa.c (coalesce_ssa_name): Update.
3839 (rewrite_out_of_ssa): Update.
3840 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3841 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3843 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3844 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3845 addressable_vars, aliases_computed_p): Kill.
3846 (default_def): Rename to...
3847 (gimple_default_def): ... this one.
3848 (defaule_def_fn): Kill.
3849 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3850 * tree-ssa-structalias.c (nonlocal_all): Kill.
3851 (get_constraint_exp_from_ssa_var): Update.
3852 (create_nonlocal_var): Update.
3853 (get_constraint_for): Update.
3854 (update_alias_info): Update.
3855 (find_global_initializers): Update.
3856 (intra_create_variable_infos): Update.
3857 (intra_create_variable_infos):
3858 (find_what_p_points_to): Update.
3859 (init_alias_heapvars): Update.
3860 * tree-cfg.c (remove_bb): Update.
3861 (gimplify_val): Update.
3862 * tree-ssa-reassoc.c (get_rank): Update.
3863 (init_reassoc): Update.
3864 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3865 (ssa_names, free_ssanames): Kill.
3866 (init_ssanames): Update.
3867 (make_ssa_name): Update.
3868 (release_ssa_name): Update.
3869 (release_defs): Update.
3870 (replace_ssa_name_symbol): Update.
3871 * tree-ssa-operands.c (access_can_touch_variable): Update.
3872 (add_virtual_operand): Update.
3873 (add_call_clobber_ops): Update.
3874 (add_call_read_ops): Update.
3875 (get_call_expr_operands): Update.
3876 (get_asm_expr_operands): Update.
3878 2006-11-28 Jan Hubicka <jh@suse.cz>
3880 * builtins.c: Include tree-flow.h.
3881 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3882 assignment; convert memmove to memcpy for sizes greater than 1 where
3883 alignment of operands prohibit the partial overlap.
3885 2006-11-28 Jan Hubicka <jh@suse.cz>
3887 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3888 * cgraph.c (dump_cgraph_node): Dump stack usage.
3889 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3890 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3891 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3892 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3893 (cgraph_check_inline_limits): Limit stack growth.
3894 * cfgexpand.c: Include tree-inline.h.
3895 (account_stack_vars): New function.
3896 (expand_one_var): New param to just account the stack; return estimated
3898 (expand_used_vars_for_block): Update call of expand_one_var.
3899 (account_used_vars_for_block): New function.
3900 (estimated_stack_frame_size): Likewise.
3901 (init_vars_expansion, fini_vars_expansion): Break out from..
3902 (expand_used_vars): ... here.
3903 * tree-inline.h (estimated_stack_frame_size): Declare.
3904 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3906 2006-11-28 Richard Guenther <rguenther@suse.de>
3908 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3909 unsigned long for printing OBJECT_SIZE.
3911 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3913 * alias.c (init_alias_analysis): Remove simplification loop
3914 after propagating pointers.
3916 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3918 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3921 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3923 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3925 2006-11-27 Roger Sayle <roger@eyesopen.com>
3926 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3928 * c-common.c (constant_fits_type_p): Delete.
3929 (unsigned_conversion_warning): Delete.
3930 (conversion_warning): Integrate Wconversion warning from
3931 unsigned_conversion_warning.
3932 (convert_and_check): Integrate Woverflow warning from
3933 unsigned_conversion_warning. Reorganize and simplify to avoid
3934 dependence upon the middle-end setting TREE_OVERFLOW on integral
3935 conversions, by using int_fits_type_p directly.
3937 2006-11-27 Tobias Burnus <burnus@net-b.de>
3939 * doc/invoke.texi: Fixed typo.
3941 2006-11-27 Michael Matz <matz@suse.de>
3942 Andreas Krebbel <krebbel1@de.ibm.com>
3945 * config/s390/predicates.md (larl_operand): Check addend of larl
3946 operand to be in range of -/+2GB.
3947 * config/s390/s390.c (legitimize_pic_address): Likewise.
3948 Changed type of variable even to HOST_WIDE_INT.
3950 2006-11-27 Jan Hubicka <jh@suse.cz>
3952 * expr.c (emit_block_move_via_libcall): Export.
3953 (clear_storage_via_libcall): Rename to ...
3954 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3955 (clear_storage): Update to set_storage_via_libcall.
3956 * expr.h (emit_block_move_via_libcall): Declare
3957 * config/i386/i386.h (stringop_alg): New enum.
3958 (MAX_STRINGOP_ALGS): New constant.
3959 (stringop_algs): New struct.
3960 (processor_costs): Add memcpy/memset descriptors.
3961 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3962 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3963 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3965 * config/i386/i386.opt (minline-stringops-dynamically,
3966 mstringop-strategy): New
3968 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3969 (ix86_expand-clrmem): Rename to ...
3970 (ix86_expand_setmem): ... this one; update prototype.
3971 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3972 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3973 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3974 nocona_cost, core2_cost, generic_cost, generic64_cost,
3975 generic32_cost): Add memcpy/memset descriptors.
3976 (x86_rep_movl_optimal): Remove.
3977 (stringop_alg): New static variable.
3978 (ix86_expand_aligntest): Handle predictions.
3979 (override_options): Add strgop_alg handling.
3980 (predict_jump): New function.
3981 (scale_counter): New function.
3982 (expand_set_or_movmem_via_loop): New function.
3983 (expand_movmem_via_rep_mov): New function.
3984 (expand_setmem_via_rep_stots): New function.
3985 (emit_strmov): New function.
3986 (expand_movmem_epilogue): New function.
3987 (expand_setmem_epilogue_via_loop): New function.
3988 (expand_setmem_epilogue): New function.
3989 (expand_movmem_prologue): New function.
3990 (expand_setmem_prologue): New function.
3991 (decide_alg): New function.
3992 (decide_alignment): New function.
3993 (ix86_exand_movmem): Rewrite.
3994 (promote_duplicated_reg): New function.
3995 (ix86_expand_clrmem): Rename to ...
3996 (ix86_expand_setmem): ... this one. Rewrite.
3998 * invoke.texi (minline-stringops-dynamically): New command line option.
3999 (mstringop-strategy): Likewise.
4001 2006-11-27 Jan Hubicka <jh@suse.cz>
4003 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
4004 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
4005 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
4006 * insn-notes.def (FUNCTION_END): Remove.
4007 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
4008 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
4010 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
4011 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
4012 * cfglayout.c (duplicate_insn_chain): Don't worry about
4015 2006-11-27 Richard Guenther <rguenther@suse.de>
4016 Zdenek Dvorak <dvorakz@suse.cz>
4018 * target.h (struct gcc_target): Add builtin_vectorized_function
4020 * target-def.h (TARGET_VECTORIZE): Likewise.
4021 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4022 Document new target hook.
4023 * targhooks.h (default_builtin_vectorized_function): Declare.
4024 * targhooks.c (default_builtin_vectorized_function): Define.
4025 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
4026 (vectorizable_call): Declare.
4027 * tree-vect-analyze.c (vect_analyze_operations): Call
4029 * tree-vect-transform.c (vectorizable_function): New static function.
4030 (build_vectorized_function_call): Likewise.
4031 (vectorizable_call): New function.
4032 (vect_transform_stmt): Handle vectorizable calls.
4034 2006-11-27 Richard Guenther <rguenther@suse.de>
4037 * builtins.c (expand_builtin_pow): Optimize non integer valued
4038 constant exponents using sqrt or cbrt if possible. Always fall back
4039 to expanding via optabs.
4041 2006-11-27 Ira Rosen <irar@il.ibm.com>
4043 PR tree-optimization/22372
4044 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
4045 the type of the base address.
4046 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
4047 it in the data-ref pointer creation.
4048 (vect_init_vector): Add an argument, type of the init vector. Use it in
4050 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
4051 (get_initial_def_for_reduction): Likewise.
4052 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
4054 (vectorizable_assignment, vect_permute_store_chain): Likewise.
4055 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
4056 correct type in stmt creation.
4057 (vect_setup_realignment): Use the correct type in stmt creation.
4058 (vect_permute_load_chain): Change type of MODIFY_EXPR to
4060 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
4061 of MODIFY_EXPR to void_type_node.
4062 (vectorizable_condition): Change type of MODIFY_EXPR to
4064 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
4067 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
4070 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4071 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4072 standard 80387 constants, raise the cost to prevent
4073 compress_float_constant() to generate load from memory.
4075 * config/i386/i386.md: Add new splitter pattern to split
4076 float_extended load of constant from constant pool into
4079 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4081 * doc/install.texi: Move GMP/MPFR configure options from Fortran
4082 section to general section. Remove documentation for
4083 --with-mpfr-dir and --with-gmp-dir, add documentation for
4084 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
4087 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
4089 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
4091 * testsuite/gcc.dg/ipa/ipa-6.c: New.
4093 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
4095 PR tree-optimization/29122
4096 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
4097 for the new version. Assign NULL to DECL_RTL of the new version.
4099 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
4101 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
4103 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
4105 * cse.c (cse_altered): Remove.
4106 (record_jump_equiv): Make true/false argument a bool instead
4108 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
4109 where appropriate. Emit a new jump before the existing one
4110 instead of after so that delete_insn_and_edges removes the
4111 dead edges properly. Check any_condjump_p before calling
4113 (cse_basic_block): Check any_condjump_p before calling
4115 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
4117 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
4119 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
4120 -ffixed-line-length-* options.
4122 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
4124 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
4125 (fprem1xf4): Rename to fprem1xf4_i387.
4127 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
4128 Rename patterns to fmod<mode>3. Use general_operand operand
4129 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
4130 patterns for SSE math.
4131 (remaindersf3, remainderdf3): Ditto.
4133 2006-11-25 Joseph Myers <joseph@codesourcery.com>
4135 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
4136 inside start_sequence / end_sequence pair.
4138 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
4140 * jump.c (mark_all_labels): Work in cfglayout mode.
4141 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
4142 when in cfglayout mode, because there are no dead jumptables
4144 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
4146 (commit_edge_insertions): Do not allow insertion of instructions
4147 with control flow insns when in cfglayout mode.
4149 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
4151 * tree-vrp.c (execute_vrp): Do not pass loops structure through
4153 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
4154 unswitch_loop): Ditto.
4155 * tree-loop-linear.c (linear_transform_loops): Ditto.
4156 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
4157 tree_ssa_lim): Ditto.
4158 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
4159 free_numbers_of_iterations_estimates): Ditto.
4160 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
4161 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
4162 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
4163 remove_path, add_loop, loopify, unloop, fix_loop_placements,
4164 place_new_loop, duplicate_loop, duplicate_subloops,
4165 update_single_exit_for_duplicated_loops, copy_loops_to,
4166 duplicate_loop_to_header_edge, create_preheaders,
4167 force_single_succ_latches, loop_version, fix_loop_structure):
4169 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
4170 tree_unroll_loop): Ditto.
4171 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4172 * tree-scalar-evolution.c (select_loops_exit_conditions,
4173 scev_initialize, scev_analysis): Ditto.
4174 * tree-scalar-evolution.h (scev_initialize): Ditto.
4175 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
4176 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
4177 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
4178 * modulo-sched.c (sms_schedule): Ditto.
4179 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4180 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
4181 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
4182 * ifcvt.c (if_convert): Ditto.
4183 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
4184 canonicalize_loop_induction_variables,
4185 canonicalize_induction_variables,
4186 tree_unroll_loops_completely, remove_empty_loops): Ditto.
4187 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
4188 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
4189 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
4190 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
4191 tree_ssa_loop_done): Ditto.
4192 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
4193 estimate_bb_frequencies): Ditto.
4194 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
4195 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
4196 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
4197 decide_unrolling_and_peeling, peel_loop_completely,
4198 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
4199 peel_loop_simple, unroll_loop_stupid): Ditto.
4200 * loop-doloop.c (doloop_optimize_loops): Ditto.
4201 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
4202 * loop-invariant.c (move_loop_invariants): Ditto.
4203 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
4204 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
4205 tree_ssa_prefetch_arrays): Ditto.
4206 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
4208 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
4209 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
4210 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
4211 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
4212 verify_loop_structure): Ditto.
4213 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
4214 canonicalize_induction_variables, tree_unroll_loops_completely,
4215 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
4216 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
4217 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
4218 tree_unroll_loop, linear_transform_loops): Declaration changed.
4219 * basic-block.h: Remove declaration of struct loops.
4220 * cfghooks.h (struct cfg_hooks): Change type of
4221 cfg_hook_duplicate_loop_to_header_edge.
4222 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
4223 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
4224 vect_transform_loop): Declaration changed.
4225 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
4226 * cfgloop.h (flow_loops_dump, fix_loop_structure,
4227 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
4228 cancel_loop_tree, create_preheaders, force_single_succ_latches,
4229 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
4230 loopify, loop_version, remove_path, unswitch_loops,
4231 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
4232 Declaration changed.
4234 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
4236 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
4237 (X87MODEF): New mode macro.
4238 (ssemodefsuffix): New mode attribute.
4239 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
4240 (sqrt_extend<mode>xf2_i387): New insn pattern.
4241 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
4242 insn and truncate result back to original mode using
4243 UNSPEC_TRUNC_NOOP truncation.
4244 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
4245 ssemodefsuffix mode attribute.
4246 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
4247 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
4248 (*sqrtextenddfxf2_i387): Remove insn patterns.
4250 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
4251 truncation patterns.
4253 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
4255 2006-11-24 Jakub Jelinek <jakub@redhat.com>
4258 * c-tree.h (c_maybe_initialize_eh): New prototype.
4259 * c-decl.c (finish_decl): Move EH initialization...
4260 (c_maybe_initialize_eh): ... here. New function.
4261 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
4262 if not #pragma omp atomic.
4265 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
4266 or UNION_TYPE inner types.
4268 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
4271 * ipa-pure-const.c (check_tree): If the original tree
4272 is volatile return early and say the function is not pure
4273 nor const. Remove the volatile check for writes.
4274 (analyze_function): Print out the result of the local
4277 2006-11-24 Joseph Myers <joseph@codesourcery.com>
4279 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
4281 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
4282 * config/rs6000/rs6000.c (rs6000_override_options): Use
4283 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
4286 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
4288 * config/s390.c (s390_emit_compare_and_swap): New function.
4289 (s390_expand_cs_hqi, s390_expand_atomic): Call
4290 s390_emit_compare_and_swap.
4292 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4294 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
4296 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4300 * c-common.c (conversion_warning): New.
4301 (convert_and_check): Call conversion_warning unless there is an
4303 * doc/invoke.texi (-Wconversion): Update description.
4305 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
4307 * tree-ssa-alias.c (tree_pointer_compare): New function.
4308 (compact_name_tags): New function.
4309 (group_aliases): Call compact_name_tags.
4311 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4313 * real.h (real_isinteger): Declare.
4314 * real.c (real_isinteger): Define.
4315 * builtins.c (integer_valued_real_p): Use it.
4317 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4320 * c.opt (Wtraditional-conversion): New.
4321 (Wconversion): Update description.
4322 * c-typeck.c (convert_arguments): Warnings for prototypes causing
4323 type conversions different from what would happen in the absence
4324 of prototype are now handled by Wtraditional-conversion.
4325 * doc/invoke.texi (Wtraditional-conversion): New.
4326 (Wconversion): Update description.
4327 * doc/trouble.texi (Wconversion): Replace Wconversion by
4328 Wtraditional-conversion.
4330 2006-11-23 Andrew Pinski <pinskia@gmail.com>
4332 * predict.c (tree_estimate_probability): Check to make
4333 sure current_loops is non null before calling flow_loops_dump.
4335 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
4337 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
4339 2006-11-23 David Ung <davidu@mips.com>
4341 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
4343 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
4344 (ASM_SPEC): Pass along -mfp32 and -mfp64.
4345 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
4346 high part of FP register when in 64-bit FP register mode. Similarly
4347 use gen_mfhc1 to load high part of FP register.
4348 (override_options): Allow -mgp32 and -mfp64 combination if
4349 ISA_HAS_MXHC1 (currently for O32 only).
4350 (mips_cannot_change_mode_class): If floating-point registers are
4351 bigger than word size. disallow conversion of float register from a
4352 large integer mode to a float mode smaller than the float register
4354 (mips_class_max_nregs): Handle float registers case seperately.
4355 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
4357 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
4358 (movdf_hardfloat_32bit): Similarly.
4359 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
4360 support a full 64-bit fpu.
4361 (mthc1): New pattern to generate MTHC1 instruction.
4362 (mfhc1): New pattern to generate MFHC1 instruction.
4363 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
4364 option for the MIPS32R2 and mention its use under O32 ABI.
4366 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
4368 * var-tracking.c (emit_note_insn_var_location): Take care not to
4369 cause verify_flow_info failures.
4371 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
4373 * tree-ssa-structalias.c: Remove edge weights in favor of just
4374 processing them as complex constraints.
4375 (struct constraint_graph): Remove weighted succs and preds. Rename
4376 nonweighted succs and preds.
4377 (constraint_edge): Removed.
4378 (constraint_edge_t): Ditto.
4379 (constraint_edge_pool): Ditto.
4380 (new_constraint_edge): Ditto.
4381 (constraint_edge_equal): Ditto.
4382 (constraint_edge_less): Ditto.
4383 (constraint_edge_vec_find): Ditto.
4384 (erase_self_graph_edge): Ditto.
4385 (add_graph_edge): Removed.
4386 (get_graph_weights): Ditto.
4387 (allocate_graph_weights): Ditto.
4388 (valid_weighted_graph_edge): Ditto
4389 (bitmap_other_than_zero_bit_set): Ditto.
4390 (int_add_graph_edge): Renamed to add_graph_edge.
4391 (clear_edges_for_node): Remove support for weighted edges.
4392 (merge_graph_nodes): Ditto.
4393 (valid_graph_edge): Ditto.
4394 (build_constraint_graph): Ditto.
4396 (collapse_nodes): Ditto.
4397 (process_unification_queue): Ditto.
4398 (topo_visit): Ditto.
4399 (do_ds_constraint): Ditto.
4400 (perform_var_subsitution): Ditto.
4401 (solve_graph): Ditto.
4402 (init_alias_vars): Ditto.
4403 (delete_points_to_sets): Ditto.
4404 (do_complex_constraint): Support offsetted copies here.
4406 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
4408 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
4410 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
4412 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
4415 2006-11-23 Ben Elliston <bje@au.ibm.com>
4417 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
4419 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
4421 PR tree-optimization/29921
4422 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
4423 signed and unsigned zero equal.
4425 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
4427 * config/rs6000/rs6000.c (get_store_dest): New.
4428 (adjacent_mem_locations): Use get_store_dest() to get
4429 the rtl of the store destination.
4431 2006-11-22 Joseph Myers <joseph@codesourcery.com>
4433 * config/rs6000/spe.md (SPE64): New mode macro.
4434 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
4436 (mov_si<mode>_e500_subreg0_2): New.
4437 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
4439 (mov_si<mode>_e500_subreg4_2): New.
4440 * config/rs6000/predicates.md (input_operand): Do not allow
4441 invalid E500 subregs.
4442 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
4444 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
4445 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
4446 involving vector modes if TARGET_SPE.
4448 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
4451 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4452 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4454 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
4456 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
4457 mem_i_address_operand): New predicates.
4458 * config/bfin/bfin.c (bfin_issue_rate): New function.
4459 (TARGET_SCHED_ISSUE_RATE): New macro.
4460 * config/bfin/bfin.md (addrtype): New attribute.
4461 (slot0, slot1, slot2, store, pregs): New cpu_units.
4462 (core): Now a define_reservation.
4463 (alu): Remove some insn types from this reservation.
4464 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
4466 (dummy reservation): Don't trigger for mcld insns.
4467 (absence_sets): Two new absence sets to enforce slot ordering.
4468 (popsi_insn): Set addrtype.
4470 2006-11-22 Ira Rosen <irar@il.ibm.com>
4472 * doc/c-tree.texi: Document new tree codes.
4473 * doc/md.texi: Document new optabs.
4474 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
4476 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
4477 * optabs.h (optab_index): Add new.
4478 (vec_extract_even_optab, vec_extract_odd_optab,
4479 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
4480 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
4481 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
4483 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
4484 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4485 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
4486 along with macros for their access.
4487 * tree-data-ref.h (first_location_in_loop, data_reference): Update
4489 * tree-vect-analyze.c (toplev.h): Include.
4490 (vect_determine_vectorization_factor): Fix indentation.
4491 (vect_insert_into_interleaving_chain,
4492 vect_update_interleaving_chain, vect_equal_offsets): New functions.
4493 (vect_analyze_data_ref_dependence): Add argument for interleaving
4494 check. Check for interleaving if it's true.
4495 (vect_check_dependences): New function.
4496 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
4497 every ddr. Call vect_analyze_data_ref_dependence with new argument.
4498 (vect_update_misalignment_for_peel): Update for interleaving.
4499 (vect_verify_datarefs_alignment): Check only first data-ref for
4501 (vect_enhance_data_refs_alignment): Update for interleaving. Check
4502 only first data-ref for interleaving.
4503 (vect_analyze_data_ref_access): Check interleaving, update
4505 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
4506 with different parameters.
4507 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
4508 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
4509 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
4510 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
4511 Update step in case of interleaving.
4512 (vect_strided_store_supported, vect_permute_store_chain): New
4514 (vectorizable_store): Handle strided stores.
4515 (vect_strided_load_supported, vect_permute_load_chain,
4516 vect_transform_strided_load): New functions.
4517 (vectorizable_load): Handle strided loads.
4518 (vect_transform_stmt): Add argument. Handle strided stores. Check
4519 that vectorized stmt exists for patterns.
4520 (vect_gen_niters_for_prolog_loop): Update calculation for
4522 (vect_transform_loop): Remove stmt_vec_info for strided stores after
4523 whole chain vectorization.
4524 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
4525 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
4526 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
4527 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
4528 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
4530 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
4532 * cse.c (enum taken): Remove PATH_AROUND.
4533 (addr_affects_sp_p, invalidate_skipped_set,
4534 invalidate_skipped_block): Remove.
4535 (cse_end_of_basic_block): Remove skip_blocks and related code.
4536 (cse_main): Don't test for flag_cse_skip_blocks.
4537 Update cse_end_of_basic_block call.
4538 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
4539 code to lengthen the path if a jump was simplified.
4541 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4543 PR rtl-optimization/29924
4544 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
4545 (unroll_loop_runtime_iterations): Assert that the argument passed to
4546 split_edge_and_insert is not NULL.
4547 * loop-doloop.c (add_test): Ditto.
4549 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4551 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
4553 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
4554 * cfgloopmanip.c (update_single_exits_after_duplication,
4555 update_single_exit_for_duplicated_loop, loop_version): Ditto.
4556 * tree-scalar-evolution.c (get_loop_exit_condition,
4557 get_exit_conditions_rec, loop_closed_phi_def,
4558 number_of_iterations_in_loop, scev_const_prop): Ditto.
4559 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
4560 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
4562 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4564 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4565 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
4566 slpeel_make_loop_iterate_ntimes,
4567 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
4568 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4570 * tree-if-conv.c (if_convertible_loop_p): Ditto.
4571 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
4572 vect_analyze_loop_form): Ditto.
4573 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
4574 can_convert_to_perfect_nest, perfect_nestify): Ditto.
4575 * tree-vect-transform.c (vect_create_epilog_for_reduction,
4576 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4577 vect_transform_loop): Ditto.
4578 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
4579 (single_exit, set_single_exit): New functions.
4580 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
4581 (single_exit, set_single_exit): Declare.
4582 * doc/loop.texi: Undocument single_exit field. Document single_exit
4585 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4587 PR tree-optimization/29902
4588 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
4589 any involved ssa name appears in abnormal phi node.
4591 2006-11-21 Bob Wilson <bob.wilson@acm.org>
4593 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
4594 (xtensa_const_ok_for_letter_p): Delete.
4595 (xtensa_extra_constraint): Delete.
4596 (override_options): Delete xtensa_char_to_class initialization.
4597 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
4598 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4599 (EXTRA_CONSTRAINT): Delete.
4600 * config/xtensa/xtensa.md: Include constraints.md.
4601 (call_internal): Combine alternatives.
4602 (call_value_internal): Likewise, and remove invalid constraints.
4603 * config/xtensa/constraints.md: New file.
4604 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
4605 (xtensa_extra_constraint): Delete.
4606 * doc/md.texi (Machine Constraints): Refer to constraints.md for
4609 2006-11-21 Janis Johnson <janis187@us.ibm.com>
4611 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
4612 of conversion that doesn't fit.
4614 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
4615 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
4616 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
4618 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
4620 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
4622 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
4624 2006-11-21 Richard Guenther <rguenther@suse.de>
4626 * tree-vectorizer.h (NUM_PATTERNS): Increase.
4627 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
4628 vect_recog_pow_pattern.
4629 (vect_recog_pow_pattern): New function.
4631 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
4633 * config/bfin/bfin.opt (mstack-check-l1): New.
4634 * doc/invoke.texi (Blackfin Options): Document it.
4635 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
4636 stack bounds in L1 memory if the new option is enabled.
4637 (override_options): Don't allow combinations of -fstack-limit and
4639 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
4642 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
4644 (bfin_register_move_cost): Bump costs if trying to move plain
4645 integer values through accumulators.
4647 2006-11-21 Ben Elliston <bje@au.ibm.com>
4649 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
4651 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
4652 Russell Olsen <Russell_Olsen@playstation.sony.com>
4653 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
4654 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
4655 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
4656 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
4657 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4659 * config.gcc: Add target for SPU.
4660 * config/spu/constraints.md: New file.
4661 * config/spu/crt0.c: New file.
4662 * config/spu/crtend.c: New file.
4663 * config/spu/crti.asm: New file.
4664 * config/spu/crtn.asm: New file.
4665 * config/spu/float_unsdidf.c: New file.
4666 * config/spu/float_unssidf.c: New file.
4667 * config/spu/predicates.md: New file.
4668 * config/spu/spu-builtins.def: New file.
4669 * config/spu/spu-builtins.h: New file.
4670 * config/spu/spu-builtins.md: New file.
4671 * config/spu/spu-c.c: New file.
4672 * config/spu/spu-elf.h: New file.
4673 * config/spu/spu-modes.def: New file.
4674 * config/spu/spu-protos.h: New file.
4675 * config/spu/spu.c: New file.
4676 * config/spu/spu.h: New file.
4677 * config/spu/spu.md: New file.
4678 * config/spu/spu.opt: New file.
4679 * config/spu/spu_internals.h: New file.
4680 * config/spu/spu_intrinsics.h: New file.
4681 * config/spu/spu_mfcio.h: New file.
4682 * config/spu/t-spu-elf: New file.
4683 * config/spu/vec_types.h: New file.
4684 * config/spu/vmx2spu.h: New file.
4685 * doc/contrib.texi: Document SPU contributor.
4686 * doc/extend.texi: Document SPU extensions.
4687 * doc/invoke.texi: Document SPU options.
4688 * doc/md.texi: Document SPU constraints.
4690 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4692 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
4694 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4696 (flow_loop_dump): Do not dump loop level.
4697 (flow_loops_find): Do not call flow_loops_level_compute.
4698 * cfgloop.h (struct loop): Remove level field.
4700 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4702 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
4703 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
4704 Use vector of edges instead of array.
4705 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
4706 estimate_numbers_of_iterations_loop): Ditto.
4707 * predict.c (predict_loops): Ditto.
4708 * loop-unroll.c (analyze_insns_in_loop): Ditto.
4709 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
4711 * basic-block.h: Declare heap allocation for edge vectors.
4712 * tree-outof-ssa.c: Ditto.
4713 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
4714 * cfgloop.h (get_loop_exit_edges): Declaration changed.
4716 2006-11-20 Zack Weinberg <zackw@panix.com>
4718 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
4719 Add another out parameter, "skip".
4720 (set_gc_used_type): Adjust calls to process_gc_options. If a field
4721 is tagged "skip", do not mark its type used.
4723 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4726 * tree-sra.c (single_scalar_field_in_record_p): New function.
4727 (decide_block_copy): Use it.
4729 2006-11-20 David Daney <ddaney@avtrex.com>
4731 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4732 PC to point to following instruction.
4734 2006-11-20 Anatoly Sokolov <aesok@post.ru>
4738 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4740 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4742 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
4744 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4745 Add sh/superh.h to tm_file.
4747 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
4748 Mark Mitchell <mark@codesourcery.com>
4750 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4752 (cpp_relocated): New function.
4753 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4755 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4756 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4757 replace configured prefix with gcc_exec_prefix.
4759 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
4761 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4762 bfin_legitimate_constant_p.
4763 * config/bfin/bfin.md (movsi expander): Check return value of
4765 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4766 (expand_move): Adjust prototype.
4767 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
4768 invalid constants specially.
4769 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4771 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4773 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4774 sibcall_value_symbol): Allow these patterns if
4775 TARGET_LEAF_ID_SHARED_LIBRARY.
4776 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4777 (override_options): Turn on id shared library flags if -msep-data,
4778 but disallow the combination of these options on the command line.
4779 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4780 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4781 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4782 -mid-shared-library.
4783 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4784 * doc/invoke.texi (Blackfin Options): Document new switches.
4786 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4787 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4789 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4790 inflate costs for addresses with an out-of-bounds address.
4792 2006-11-19 Andrew Pinski <pinskia@gmail.com>
4795 * fwprop.c (loops): Remove.
4796 (forward_propagate_into): Use current_loops instead of
4798 (fwprop_init): Call loop_optimizer_init instead of
4800 (fwprop_done): Call loop_optimizer_finalize instead of
4802 (fwprop): Use current_loops instead of loops.
4804 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
4807 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4809 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4812 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4813 larger than BITS_PER_WORD.
4815 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4819 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4820 to MAX_FIXED_MODE_SIZE.
4822 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4824 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4825 (fold_builtin_fmin_fmax): New.
4826 (fold_builtin_1): Use it.
4828 * fold-const.c (fold_strip_sign_ops): Handle copysign.
4830 2006-11-18 Richard Guenther <rguenther@suse.de>
4832 * config/i386/i386.c (ix86_builtins): New array for ix86
4833 builtin function decls.
4834 (def_builtin): New function.
4835 (def_builtin_const): Likewise.
4836 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4838 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
4840 * doc/invoke.texi (core2): Add item.
4842 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4844 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4845 (TARGET_CPU_DEFAULT_generic): Change value.
4846 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4847 (processor_type): Add new constant PROCESSOR_CORE2.
4849 * config/i386/i386.md (cpu): Add core2.
4851 * config/i386/i386.c (core2_cost): New initialized variable.
4852 (m_CORE2): New macro.
4853 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4854 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4855 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4856 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4857 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4858 x86_accumulate_outgoing_args, x86_prologue_using_move,
4859 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4860 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4861 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4862 x86_pad_returns): Add m_CORE2.
4863 (override_options): Add entries for Core2.
4864 (ix86_issue_rate): Add case for Core2.
4866 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4868 * doc/invoke.texi: Fix mno-isel typo.
4870 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4872 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4873 easy vector constant loads.
4875 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4877 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4878 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4879 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4880 * config/rs6000/sync.md (lwsync): Emit plain sync if
4883 2006-11-17 DJ Delorie <dj@redhat.com>
4885 * reload1.c (reloads_unique_chain): New.
4886 (reloads_conflict): Call it.
4888 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4890 * config/xtensa/predicates.md (addsubx_operand): New.
4891 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4892 (xtensa_emit_bit_branch): New.
4893 (xtensa_emit_movcc): New.
4894 * config/xtensa/xtensa.md (any_minmax): New code macro.
4895 (minmax): New code attribute.
4896 (any_cond, any_scc, any_scc_sf): New code macros.
4897 (*addx2, *addx4, *addx8): Delete.
4899 (*subx2, *subx4, *subx8): Delete.
4901 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4902 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4903 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4904 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4905 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4906 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4907 (movsfcc_internal0, movsfcc_internal1): Likewise.
4908 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4909 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4910 (xtensa_emit_bit_branch): New.
4911 (xtensa_emit_movcc): New.
4912 (function_arg_boundary): Add missing prototype.
4914 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4916 * config/xtensa/xtensa.md (tstsi): Delete
4918 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4920 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4922 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4924 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4926 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4928 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4930 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4932 * tree-vrp.c (execute_vrp): Do not update current_loops.
4933 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4934 * doc/loop.texi: Remove documentation for cancelled functions.
4935 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4936 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4938 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4939 (remove_path): Ensure that in delete_basic_blocks, the loops
4940 are still allocated.
4941 (add_loop): Work on valid loop structures.
4942 (loopify): Modify call of add_loop.
4943 (mfb_update_loops): Removed.
4944 (create_preheader): Do not update loops explicitly.
4945 (force_single_succ_latches, loop_version): Do not use
4946 loop_split_edge_with.
4947 (loop_split_edge_with): Removed.
4948 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4949 Do not use bsi_insert_on_edge_immediate_loop.
4950 (split_loop_exit_edge, tree_unroll_loop): Do not use
4951 loop_split_edge_with.
4952 (bsi_insert_on_edge_immediate_loop): Removed.
4953 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4954 use loop_split_edge_with.
4955 * cfghooks.c: Include cfgloop.h.
4956 (verify_flow_info): Verify that loop_father is filled iff current_loops
4958 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4959 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4961 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4963 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4964 loop_split_edge_with.
4965 (sms_schedule): Use current_loops.
4966 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4967 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4969 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4970 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4971 * ifcvt.c (if_convert): Ditto.
4972 * predict.c (predict_loops): Do not clear current_loops.
4973 (tree_estimate_probability): Use current_loops.
4974 (propagate_freq): Receive head of the region to propagate instead of
4976 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4977 (estimate_loops): New function. Handle case current_loops == NULL.
4978 (estimate_bb_frequencies): Do not allocate tovisit. Use
4980 * tree-ssa-loop.c (current_loops): Removed.
4981 (tree_loop_optimizer_init): Do not return loops.
4982 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4983 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4984 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4985 Do not update loops explicitly.
4986 * function.h (struct function): Add x_current_loops field.
4987 (current_loops): New macro.
4988 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4989 * loop-unroll.c (split_edge_and_insert): New function.
4990 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4991 use loop_split_edge_with.
4992 * loop-doloop.c (add_test, doloop_modify): Ditto.
4993 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4994 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4995 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4996 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4998 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4999 (flow_loops_free): Do not free dfs_order and rc_order.
5000 (flow_loops_find): Do not set dfs_order and rc_order in loops
5001 structure. Do not call loops and flow info verification.
5002 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
5003 already belongs to some loop.
5004 * cfgloop.h (struct loops): Remove struct cfg.
5005 (current_loops, loop_split_edge_with): Declaration removed.
5006 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
5007 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
5008 Declaration removed.
5009 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
5010 * basic-block.h (split_edge_and_insert): Declare.
5011 * tree-cfg.c (remove_bb): Do not update loops explicitly.
5013 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
5015 PR tree-optimization/29801
5016 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
5017 (get_default_value): Use get_symbol_constant_value.
5018 (set_lattice_value): ICE when the value of the constant is
5020 (visit_assignment): Ignore VDEFs of read-only variables.
5022 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
5024 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
5026 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5027 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
5029 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
5031 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
5032 select subvars of var.
5034 2006-11-17 Jakub Jelinek <jakub@redhat.com>
5037 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
5038 optimize if DEF doesn't have integral type.
5040 2006-11-16 Mike Stump <mrs@apple.com>
5042 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
5043 pre-darwin9 system, unless the user asks for it directly.
5044 (PREFERRED_DEBUGGING_TYPE): Likewise.
5045 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
5046 * config.gcc: Add suppport for darwin9.h.
5047 * config/darwin9.h: Add.
5048 * doc/install.texi (Specific): Clarify darwin documentation.
5050 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
5052 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
5053 optimizing for size.
5055 2006-11-16 Mike Stump <mrs@apple.com>
5057 * Makefile.in (targhooks.o): Add $(OPTABS_H).
5059 2006-11-16 Dirk Mueller <dmueller@suse.de>
5061 * tree-vrp.c (get_value_range): Use XCNEW instead
5063 (insert_range_assertions): Use XCNEWVEC instead
5064 of XNEWVEC and memset.
5065 (vrp_initialize): Same.
5066 (vrp_finalize): Same.
5067 * tree-ssa-ccp.c (ccp_initialize): Same.
5068 * predict.c (tree_bb_level_predictions): Same.
5069 * calls.c (expand_call): Same.
5070 * tree-ssa-copy.c (init_copy_prop): Same.
5071 (fini_copy_prop): Same.
5072 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
5073 of GGC_NEW and memset.
5075 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
5078 * gimplify.c (gimplify_expr): Only force a load for references to
5079 non-BLKmode volatile values.
5080 * doc/implement-c.texi (Qualifiers implementation): Document the
5081 interpretation of what a volatile access is.
5082 * doc/extend.texi (C++ Extensions): Rework same documentation.
5084 2006-11-16 Joseph Myers <joseph@codesourcery.com>
5086 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
5089 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
5091 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
5093 (arm_neg_abssi2): Renamed from neg_abssi2.
5094 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
5096 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
5098 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
5099 number of arguments passed to local functions in SSE registers is 3.
5101 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
5102 number of arguments passed in SSE registers to 3.
5104 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5107 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
5109 (get_last_bb_insn): ... new global function.
5110 (basic_block.h): Declare it.
5111 * haifa-sched.c (create_recovery_block): Use it.
5113 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
5116 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
5118 2006-11-15 Paul Brook <paul@codesourcery.com>
5120 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
5121 _Unwind_GetTextRelBase): Move from here ...
5122 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
5123 _Unwind_GetTextRelBase): ... To here.
5125 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
5127 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
5128 addresses we generate for testing are aligned.
5130 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
5133 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
5134 to what is the const decl is a place holder for.
5136 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
5138 * config/i386/i386.opt: New target option -mx87regparm.
5140 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
5141 and float_in_x87 variables. mmx_words, sse_words: Remove.
5142 (X87_REGPARM_MAX): Define.
5144 * config/i386/i386.c (override_options): Error out for
5145 -mx87regparm but no 80387 support.
5146 (ix86_attribute_table): Add x87regparm.
5147 (ix86_handle_cconv_attribute): Update comments for x87regparm.
5148 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
5149 (ix86_function_x87regparm): New function.
5150 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
5152 (init_cumulative_args): Initialize x87_nregs and float_in_x87
5154 (function_arg_advance): Process x87_nregs and x87_regno when
5155 floating point argument is to be passed in 80387 register.
5156 (function_arg): Pass XFmode arguments in 80387 registers for local
5157 functions. Pass SFmode and DFmode arguments to local functions
5158 in 80387 registers when flag_unsafe_math_optimizations is set.
5160 * reg-stack.c (convert_regs_entry): Disable NaN load for
5161 stack registers that are used for argument passing.
5163 * doc/extend.texi: Document x87regparm function attribute.
5164 * doc/invoke.texi: Document -mx87regparm.
5166 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
5168 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
5169 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
5170 arg MODE; all callers changed. Use it to determine validity per
5171 machine mode instead of using Pmode for all memory references.
5172 (get_address_cost): Likewise add and use new arg MEM_MODE.
5174 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
5175 J"orn Rennecke <joern.rennecke@st.com>
5177 * combine.c (likely_spilled_retval_1): Fix masking operation.
5178 (likely_spilled_retval_p): Use proper pattern for call to
5179 likely_spilled_retval_1.
5181 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
5183 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
5185 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
5186 that tests for CONSTANT_POOL_ADDRESS_P.
5188 2006-11-15 Jakub Jelinek <jakub@redhat.com>
5190 PR tree-optimization/29581
5191 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
5192 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
5193 type is different between Y and USE, create a temporary
5194 variable, initialize it at the beginning of the body bb
5195 and use it as replacement instead of Y.
5197 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
5200 * gimplify.c (fold_indirect_ref_rhs): Use
5201 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
5203 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
5205 * expmed.c (emit_store_flag_1): New function.
5206 (emit_store_flag): Call it. If we can't find a suitable scc insn,
5208 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
5209 Use do_compare_rtx_and_jump.
5210 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
5211 * arm.md (cstoresi4): New define_expand.
5212 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
5213 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
5214 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
5216 2006-11-14 Caroline Tice <ctice@apple.com>
5218 * dwarf2out.c (debug_pubtypes_section): New static global variable.
5219 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
5221 (pubname_table): Redefine as a vector.
5222 (pubtype_table): New static global variable, defined as a vector.
5223 (pubname_table_allocated): Remove static global variable.
5224 (pubname_table_in_use): Remove static global variable.
5225 (PUBNAME_TABLE_INCREMENT): Remove constant.
5226 (size_of_pubnames): Add parameter to deal with either pubnames or
5227 pubtypes, and change code to deal with table being a vector.
5228 (add_pubname): Change to deal with table being a vector.
5229 (add_pubtype): New function.
5230 (output_pubnames): Add parameter to deal with either pubnames or
5231 pubtypes, and change code to deal with table being a vector.
5232 (gen_array_type_die): Add call to add_pubtype.
5233 (gen_enumeration_type_die): Add call to add_pubtype.
5234 (gen_struct_or_union_type_die): Add call to add_pubtype.
5235 (gen_subroutine_type_die): Add call to add_pubtype.
5236 (gen_typedef_die): Add call to add_pubtype.
5237 (dwarf2out_init): Add code to initialize pubname_table and
5238 pubtype_table vectors; also initialize debug_pubtypes_section.
5239 (prune_unused_types): Change to deal with pubnames being a vector.
5240 (dwarf2out_finish): Change to deal with pubnames being a vector; add
5241 pubnames table to call to output_pubnames; Add code to output pubtypes
5242 table if DEBUG_PUBTYPES_SECTION is defined.
5243 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
5245 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
5247 2006-11-14 Joseph Myers <joseph@codesourcery.com>
5249 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
5250 iwmmxt_nregs if TARGET_IWMMXT_ABI.
5251 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
5252 movv2si_internal): Support moves between core registers.
5254 2006-11-14 Eric Christopher <echristo@apple.com>
5256 * configure: Regenerate with autoconf 2.59.
5258 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
5260 Fix PR tree-optimization/27755
5262 * tree-ssa-pre.c: Update comments.
5263 (bb_bitmap_sets): Add pa_in and deferred member.
5264 (BB_DEFERRED): New macro.
5265 (maximal_set): New variable.
5266 (pre_stats): Add pa_insert member.
5267 (bitmap_set_and): Short circuit orig == dest.
5268 (bitmap_set_subtract_values): New function.
5269 (bitmap_set_contains_expr): Ditto.
5270 (translate_vuses_through_block): Add phiblock argument.
5271 (dependent_clean): New function.
5272 (compute_antic_aux): Update for maximal_set changes.
5273 (compute_partial_antic_aux): New function.
5274 (compute_antic): Handle partial anticipation.
5275 (do_partial_partial_insertion): New function.
5276 (insert_aux): Handle partial anticipation.
5277 (add_to_sets): Add to maximal set.
5278 (compute_avail): Ditto.
5279 (init_pre): Initialize maximal_set.
5280 (execute_pre): Do partial anticipation if -O3+.
5282 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
5284 PR rtl-optimization/29798
5286 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
5287 TARGET_INSN before any other check.
5288 (fwprop_init): Always calculate dominators.
5289 (fwprop_done): Always free them.
5291 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5293 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
5296 2006-11-13 DJ Delorie <dj@redhat.com>
5298 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
5299 temporary for intermediates.
5301 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
5303 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
5304 (sh_optimize_target_register_callee_saved): #if 0 the code
5305 using NOTE_INSN_LOOP_{BEG,END}.
5307 2006-11-13 Roger Sayle <roger@eyesopen.com>
5309 * fold-const.c (optimize_bit_field_compare): Recursively call
5310 fold when simplifying non-constant comparisons between bit-fields.
5312 2006-11-13 Jakub Jelinek <jakub@redhat.com>
5314 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
5316 * configure: Rebuilt.
5318 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
5320 * config/rs6000/cell.md: New file.
5321 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
5323 (ppccell_cost): New cost matrix.
5324 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
5325 (rs6000_override_options): Set rs6000_always_hint to false
5326 for cell. Also align functions/lables/loops to 8byte
5327 for the Cell. Use PROCESSOR_CELL.
5328 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
5329 using_mtcr_multiple.
5330 (rs6000_variable_issue): If the insn is a nonpipelined instruction
5331 on the Cell, return 0.
5332 (rs6000_adjust_cost): Add Cell cost adjustments.
5333 (is_microcoded_insn): Return true for Cell microcoded
5335 (is_nonpipeline_insn): New function.
5336 (rs6000_issue_rate): Add PROCESSOR_CELL.
5337 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
5339 (rs6000_use_sched_lookahead_guard): New function.
5340 (rs6000_sched_reorder): Reorder the ready list, if the second
5341 to last ready insn is a nonepipeline insn on the Cell.
5342 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
5343 (ASM_CPU_SPEC): Add Cell.
5344 * config/rs6000/rs6000.md (cpu): Add Cell.
5345 (cell_micro): New Attr.
5348 2006-11-13 Jakub Jelinek <jakub@redhat.com>
5350 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
5352 * configure: Rebuilt.
5354 2006-11-13 Richard Guenther <rguenther@suse.de>
5356 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
5358 (ix86_expand_lfloorceil): Likewise.
5359 (ix86_expand_rint): Likewise.
5360 (ix86_expand_floorceildf_32): Likewise.
5361 (ix86_expand_floorceil): Likewise.
5362 (ix86_expand_rounddf_32): Likewise.
5363 (ix86_expand_truncdf_32): Likewise.
5364 (ix86_expand_round): Likewise.
5366 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
5367 Mark Mitchell <mark@codesourcery.com>
5369 * gcc.c: Organize search path variables into $prefix relative,
5370 and well-known native. Add comments.
5371 (add_sysrooted_prefix): Add comment.
5372 (process_command): If !gcc_exec_prefix add $prefix based paths.
5373 If *cross_compile == '0', add native well-known paths.
5374 Assert tooldir_base_prefix is always relative.
5375 (main): If print_search_dirs, and if gcc_exec_prefix is set,
5376 use this value for 'install:' path.
5377 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
5379 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
5381 * config/i386/i386.c: Fix a typo in comment.
5383 2006-11-13 Michael Matz <matz@suse.de>
5385 * genemit.c (gen_expand): Allocate enough memory.
5387 2006-11-13 Joseph Myers <joseph@codesourcery.com>
5389 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
5390 __GXX_TYPEINFO_EQUALITY_INLINE but not
5391 __GXX_MERGED_TYPEINFO_NAMES.
5392 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
5393 __GXX_MERGED_TYPEINFO_NAMES.
5394 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
5395 __GXX_TYPEINFO_EQUALITY_INLINE.
5397 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
5398 Zdenek Dvorak <dvorakz@suse.cz>
5400 PR tree-optimization/29680
5401 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
5404 2006-11-12 Jason Merrill <jason@redhat.com>
5405 Andrew Pinski <pinskia@physics.uc.edu>
5408 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
5410 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
5412 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
5413 * tree.c (build_vector): Handle non-_CST elements.
5415 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
5417 * genemit.c (gen_insn): Call gen_exp with a non-null used
5418 when handling multiple insns.
5419 (gen_expand): Likewise.
5420 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
5421 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
5422 (movsi_const_16bit+1): Copy operands[1].
5423 (call_pcrel): Copy the call_site pattern.
5424 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
5426 2006-11-12 Roger Sayle <roger@eyesopen.com>
5428 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
5429 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
5430 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
5431 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
5433 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
5435 Fix PR tree-optimization/29587
5436 * tree-ssa-structalias.c (process_constraint): Don't
5437 mark address taken due only to escaped vars constraint.
5439 2006-11-12 Michael Matz <matz@suse.de>
5440 Roger Sayle <roger@eyesopen.com>
5442 PR rtl-optimization/29797
5443 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
5444 BITS_BIG_ENDIAN targets.
5446 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5448 * builtins.c (fold_builtin_cosh): New.
5449 (fold_builtin_1): Use it.
5450 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
5451 trunc to the list of "odd" functions. Also add llrint, lrint,
5452 rint and nearbyint when flag_rounding_math is false.
5454 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5456 * tree-flow.h (name_mappings_registered_p): Declare.
5457 * tree-into-ssa.c (name_mappings_registered_p): New function.
5458 * tree-cfg.c (tree_can_merge_blocks_p): Check
5459 name_mappings_registered_p instead of need_ssa_update_p.
5461 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5463 * tree-ssa-loop.c (tree_vectorize): Return the result of
5465 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
5466 if anything changed.
5467 * tree-vectorizer.h (vectorize_loops): Declaration removed.
5468 * tree-flow.h (vectorize_loops): Declaration changed.
5470 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5472 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
5474 (issue_prefetch_ref): Move assignment to write_p out of loop.
5475 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
5476 SIMULTANEOUS_PREFETCHES into account.
5477 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
5478 * lambda-code.c (lcm): Renamed to ...
5479 (least_common_multiple): ... and exported.
5480 * tree-flow.h (least_common_multiple): Declare.
5482 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5484 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
5485 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
5486 ud-chains. Handle AND_EXPR.
5487 (record_estimate): Record whether the estimate is realistic
5488 and whether it is derived from a loop exit.
5489 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
5490 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
5492 (compute_estimated_nb_iterations): Take only realistic bounds into
5493 account. Set estimate_state. Use double_ints.
5494 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
5495 and infer_loop_bounds_from_signedness. Do not consider basic blocks
5496 that do not have to be always executed.
5497 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
5498 to determine whether to call infer_loop_bounds_from_undefined
5499 and compute_estimated_nb_iterations.
5500 (n_of_executions_at_most): Use double_ints.
5501 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
5502 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
5503 * double-int.c (double_int_to_tree): Improve comment.
5504 (double_int_fits_to_tree_p): New function.
5505 * double-int.h (double_int_fits_to_tree_p): Declare.
5506 * tree-data-ref.c: Include langhooks.h.
5507 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
5508 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
5509 (analyze_array): Do not pass estimate_only argument to
5510 analyze_array_indexes.
5511 (get_number_of_iters_for_loop): Build tree from the stored double_int
5513 (get_references_in_stmt, find_data_references_in_stmt): New functions.
5514 (find_data_references_in_loop): Use find_data_references_in_stmt.
5515 * tree-data-ref.h (struct data_ref_loc_d): New.
5516 (get_references_in_stmt): Declare.
5517 (estimate_iters_using_array): Declaration removed.
5518 * cfgloop.h (struct nb_iter_bound): Change type of bound to
5519 double_int. Improve comments. Add is_exit and realistic
5521 (struct loop): Changed type of estimated_nb_iterations to double_int.
5522 Added estimate_state field.
5523 (record_estimate): Declaration removed.
5525 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5527 * params.c (set_param_value): Initialize the "set" field.
5528 * params.h (struct param_info): Add "set" field.
5529 (PARAM_SET_P): New macro.
5530 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
5531 L1_CACHE_LINE_SIZE): New macros.
5532 * toplev.c (DEFPARAM): Initialize the "set" field.
5533 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
5534 SIMULTANEOUS_PREFETCHES): Removed.
5535 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
5536 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
5537 * config/sparc/sparc.c: Include params.h.
5538 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
5539 L1_CACHE_LINE_SIZE parameters.
5540 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5542 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5544 * config/i386/i386.c: Include params.h.
5545 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
5546 (override_options): Set SIMULTANEOUS_PREFETCHES and
5547 L1_CACHE_LINE_SIZE parameters.
5548 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
5549 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
5550 L1_CACHE_LINE_SIZE parameters.
5551 * config/ia64/ia64.c (ia64_optimization_options): Set
5552 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
5553 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
5555 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
5556 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
5557 * doc/invoke.texi: Document new params.
5559 2006-11-12 Roger Sayle <roger@eyesopen.com>
5561 PR tree-optimization/13827
5562 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
5565 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5567 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
5568 update_single_exit_for_duplicated_loops): New functions.
5569 (duplicate_loop_to_header_edge): Use
5570 update_single_exit_for_duplicated_loops.
5571 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
5572 functions only with ENABLE_CHECKING.
5574 2006-11-12 Andreas Schwab <schwab@suse.de>
5576 * except.c (sjlj_emit_function_enter): Remove unused variable.
5578 2006-11-11 Roger Sayle <roger@eyesopen.com>
5580 * fold-const.c (int_binop_types_match_p): New function.
5581 (size_binop): Relax constraint that both arguments must both have
5582 exactly the same sizetype type. Instead use int_binop_types_match_p.
5583 (size_diffop): Likewise.
5585 (make_range): Use build_int_cst instead of fold_convert.
5586 (fold_cond_expr_with_comparison): Use build_int_cst to construct
5587 integer constants of the correct type.
5588 (fold_div_compare): Likewise.
5589 (fold_single_bit_test): Likewise.
5590 (fold_binary): Likewise.
5591 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
5592 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
5594 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
5597 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
5598 non null value if the struct memory access is in the 0th
5601 2006-11-12 Jie Zhang <jie.zhang@analog.com>
5604 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5605 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5608 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
5609 instead of builtin_define for bfin and BFIN.
5611 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5613 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5616 2006-11-11 Jan Hubicka <jh@suse.cz>
5618 * extend.texi (__builtin_expect): We no longer require second argument
5620 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
5621 * builtins.c (expand_builtin_expect): Simplify.
5622 (expand_builtin_expect_jump): Kill.
5623 * final.c (final_scan_insn): Do not skip the removed notes.
5624 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
5625 EXPECTED_VALUE): Remove.
5626 * dojump.c (do_jump): Do not care about __builtin_expect.
5627 * predict.c (expected_value_to_br_prob): Kill.
5628 * function.c (expand_function_end): Do not expand
5629 NOTE_INSN_REPEATED_LINE_NUMBER.
5630 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
5631 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
5632 * cfgexpand.c (add_reg_br_prob_note): Export.
5633 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5634 expected_value_to_br_prob.
5635 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
5636 * rtl.h (add_reg_br_prob_note): Declare.
5638 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5640 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
5642 2006-11-11 Jan Hubicka <jh@suse.cz>
5644 * predict.c (predict_loops): Kill RTL variant.
5646 2006-11-11 Jan Hubicka <jh@suse.cz>
5648 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
5649 * modulo-sched.c (find_line_note): Remove.
5650 (loop_canon_p): Do not worry about line number notes.
5651 (sms_schedule): Likewise.
5652 * cse.c (cse_main): Likewise.
5653 * regmove.c (fixup_match_1): Likewise
5654 * function.c (emit_return_info_block): Likewise.
5655 (expand_function_end): Likewise.
5656 (thread_prologue_an_epilogue_insns): Likewise.
5657 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
5659 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
5660 emit_note_copy_after): Kill.
5661 (emit_note_copy): Do not worry about line numbers.
5662 * jump.c (purge_line_number_notes): Kill.
5663 (pass_purge_lineno_notes): Kill.
5664 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
5666 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
5667 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
5668 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
5669 * tree-pass.h (pass_purge_lineno_notes): Kill.
5670 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
5671 rm_redundant_line_notes.
5672 * sched-rgb.c (schedule_region): Don't rm_line_notes,
5673 rm_redundant_line_notes.
5674 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
5675 * haifa-sched.c: Update comment about handling notes.
5676 (unlink_line_notes): Kill.
5677 (rm_line_notes): Kill.
5678 (save_line_notes): Simplify.
5679 (rm_redundant_line_notes): Kill.
5681 2006-11-11 Richard Guenther <rguenther@suse.de>
5683 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
5684 Remove unused tree codes.
5685 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
5686 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
5687 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5688 * tree.c (stabilize_reference): Likewise.
5689 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
5690 fold_unary): Likewise.
5691 * tree-gimple.c (is_gimple_cast): Likewise.
5692 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
5693 * expr.c (expand_expr_real_1): Likewise.
5694 * tree-eh.c (tree_could_trap_p): Likewise.
5695 * gimplify.c (gimplify_expr): Likewise.
5696 * tree-inline.c (estimate_num_insns_1): Likewise.
5697 * tree-cfg.c (verify_expr): Likewise.
5699 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
5701 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
5702 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5703 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
5705 2006-11-11 Richard Sandiford <richard@codesourcery.com>
5708 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5709 constraints accept neither registers or memories.
5711 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5713 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
5714 (NO_PROFILE_COUNTERS): Define as 1.
5716 2006-11-10 Roger Sayle <roger@eyesopen.com>
5718 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
5719 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
5721 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
5723 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5725 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5727 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5728 (fold_builtin_hypot): Likewise.
5729 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5731 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5733 2006-11-10 Roger Sayle <roger@eyesopen.com>
5735 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5736 when attempting to build INTEGER_CSTs of non-integral types.
5737 * expmed.c (make_tree): Use the correct type, i.e. the inner
5738 type, when constructing the individual elements of a CONST_VECTOR.
5740 2006-11-10 Jan Hubicka <jh@suse.cz>
5742 * cse.c (cse_process_notes): Copy the propagated value.
5743 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5745 * gcse.c (try_replace_reg): Copy the replacement.
5746 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
5747 (assign_386_stack_local): Always return copied memory expression
5748 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
5751 2006-11-10 Jan Hubicka <jh@suse.cz>
5753 * final.c (final): Walk from first instruction.
5754 * cfglayout.c (insn_locators_initialize): Remove line number notes.
5756 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
5759 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5761 (umulv8hi3_highpart): Ditto.
5762 (vec_widen_smult_hi_v8hi): New expander.
5763 (vec_widen_smult_lo_v8hi): Ditto.
5765 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5768 * builtins.c (do_mpfr_arg3): New.
5769 (fold_builtin_1): Handle builtins fma, fmin and fmax.
5771 2006-11-09 Eric Christopher <echristo@apple.com>
5776 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5777 * config.gcc (powerpc64-*-darwin*): New target.
5778 * config.host: Ditto.
5779 * config/rs6000/darwin64.h: New file.
5780 * config/rs6000/x-darwin64: Ditto.
5781 * config/rs6000/host-ppc64-darwin.c: Ditto.
5783 2006-11-09 Steve Ellcey <sje@cup.hp.com>
5785 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
5786 routines for integer division.
5788 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
5790 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5792 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5795 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5797 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
5799 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5800 simplify_subreg with BLKmode outer mode.
5802 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
5804 * doc/invoke.texi: Minor formatting fixes in option lists.
5806 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
5808 PR tree-optimization/29738
5809 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5810 (ccp_lattice_t): Remove UNKNOWN_VAL.
5811 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5812 Do not handle UNKNOWN_VAL.
5813 (get_default_value): Set initial value of virtual operands to
5815 (get_value): Always use get_default_value on uninitialized
5817 (set_value_varying, surely_varying_stmt_p): New functions.
5818 (set_lattice_value): Do not pass argument to get_value.
5819 Do not handle UNKNOWN_VAL.
5820 (likely_value): Follow the semantics described in the comment.
5821 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
5822 phi nodes DONT_SIMULATE_AGAIN.
5823 (ccp_fold): Do not pass argument to get_value.
5824 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
5827 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
5829 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5830 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5832 2006-11-08 Roger Sayle <roger@eyesopen.com>
5834 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5835 test for inclusion rather than as a test for exclusion.
5836 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5837 the condition after calling fold_binary.
5838 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5839 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5840 * builtins.c (fold_builtin_isascii): Likewise.
5841 (fold_builtin_isdigit): Likewise.
5843 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
5845 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5846 * configure: Regenerate.
5848 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5850 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5851 enum argument instead of bool.
5852 (vect_analyze_operations): Call vectorizable_type_promotion.
5853 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5854 stmt_vec_info_type value.
5855 (supportable_widening_operation, vectorizable_type_promotion): New
5856 function declarations.
5857 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5858 (vectorizable_type_promotion): New function.
5859 (vect_transform_stmt): Call vectorizable_type_promotion.
5860 * tree-vect-analyze.c (supportable_widening_operation): New function.
5861 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5863 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5866 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5867 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5868 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5870 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5871 * expr.c (expand_expr_real_1): Likewise.
5872 * optabs.c (optab_for_tree_code): Likewise.
5873 (init_optabs): Initialize new optabs.
5874 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5875 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5876 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5877 vec_unpacku_lo_optab): Initialize new optabs.
5878 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5879 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5880 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5882 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5883 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5884 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5885 (vec_unpacku_lo_optab): New optabs.
5886 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5887 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5888 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5889 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5890 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5891 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5893 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5894 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5895 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5896 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5897 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5898 implement the unsigned unpacking patterns.
5899 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5900 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5901 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5902 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5903 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5904 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5905 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5906 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5907 multiplication patterns.
5909 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5910 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5911 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5912 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5913 (rs6000_builtin_mul_widen_odd): New.
5914 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5915 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5916 * tree-vectorizer.h (enum vect_relevant): New enum type.
5917 (_stmt_vec_info): Field relevant chaned from bool to enum
5919 (STMT_VINFO_RELEVANT_P): Updated.
5920 (STMT_VINFO_RELEVANT): New.
5921 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5922 instead of STMT_VINFO_RELEVANT_P.
5923 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5924 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5925 and boolean variable with enum vect_relevant.
5926 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5927 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5928 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5930 2006-11-08 Richard Henderson <rth@redhat.com>
5932 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5933 vec_widen_umult_lo_v8hi): New.
5934 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5935 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5937 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5938 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5939 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5940 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5941 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5942 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5943 vec_unpacks_lo_v4si): New.
5945 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5947 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5948 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5949 (vect_analyze_operations): Call vectorizable_type_demotion.
5950 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5951 stmt_vec_info_type value.
5952 (vectorizable_type_demotion): New function declaration.
5953 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5956 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5957 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5959 * tree-iniline.c (estimate_num_insns_1): Likewise.
5960 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5961 * optabs.c (optab_for_tree_code): Likewise.
5963 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5964 compared against the predicate of the result is not 'mode' (the input
5965 to the function) but a mode with half the size of 'mode'.
5966 (init_optab): Initialize new optabs.
5967 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5969 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5971 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5972 (vec_pack_usat_optab): Initialize new optabs.
5973 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5974 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5976 2006-11-08 Richard Henderson <rth@redehat.com>
5978 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5979 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5980 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5981 (vec_interleave_highv4si, vec_interleave_lowv4si):
5982 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5984 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5986 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5988 (vect_transform_stmt): Removed redundant code.
5990 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5992 * tree-vect-transform.c (vectorizable_operation): Support multiple
5995 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5997 * tree-vect-transform.c (vect_align_data_ref): Removed.
5998 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5999 Updated function documentation. Return the increment stmt in ptr_incr.
6000 (bump_vector_ptr): New function.
6001 (vect_get_vec_def_for_stmt_copy): New function.
6002 (vect_finish_stmt_generation): Create a stmt_info to newly created
6004 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
6006 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
6007 VF is greater than the number of elements that can fit in one vector
6009 (vectorizable_operation, vectorizable_condition): Likewise.
6010 (vectorizable_store, vectorizable_load): Support the case that the VF
6011 is greater than the number of elements that can fit in one vector word.
6012 (vect_transform_loop): Don't fail in case of multiple data-types.
6013 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
6014 in case of multiple data-types; the smallest type determines the VF.
6015 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
6016 if they are of different sizes.
6017 (vect_update_misalignment_for_peel): Compare misalignments in terms of
6018 number of elements rather than number of bytes.
6019 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
6020 (vect_can_advance_ivs_p): Fix a dump printout
6022 2006-11-07 Eric Christopher <echristo@apple.com>
6024 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
6025 (__bswapsi2): Ditto.
6026 * libgcc2.h: Remove transformation of bswap routines.
6027 * config/i386/i386.md (bswapsi2): New.
6030 2006-11-07 Jakub Jelinek <jakub@redhat.com>
6032 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
6033 (handle_gnu_inline_attribute): New function.
6034 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
6035 (merge_decls, start_decl, start_function): Likewise.
6036 * doc/extend.texi: Document gnu_inline attribute.
6038 2006-11-07 Steve Ellcey <sje@cup.hp.com>
6041 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
6042 _fixunstfdi, and _floatditf
6044 2006-11-06 Anatoly Sokolov <aesok@post.ru>
6046 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
6048 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
6049 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
6050 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
6051 which start in an odd register.
6053 2006-11-07 Richard Sandiford <richard@codesourcery.com>
6055 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
6057 2006-11-07 Josh Conner <jconner@apple.com>
6059 * doc/invoke.texi (fstrict-aliasing): Move implementation
6061 * doc/tree-ssa.texi (Alias analysis): ...here.
6063 2006-11-07 Richard Guenther <rguenther@suse.de>
6065 PR tree-optimization/29610
6066 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
6067 of tree_purge_dead_eh_edges as it may free dominators.
6069 * g++.dg/other/pr29610.C: New testcase.
6071 2006-11-07 David Ung <davidu@mips.com>
6073 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
6074 costs when optimizing for size.
6075 (override_options): Use mips_rtx_cost_optimize_size table for cost
6078 2006-11-07 Jie Zhang <jie.zhang@analog.com>
6080 * gcc.c (process_command): Treat -b as normal switch if its argument
6083 2006-11-07 David Ung <davidu@mips.com>
6085 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
6088 2006-11-06 Eric Christopher <echristo@apple.com>
6090 * config.gcc: Add x86_64-darwin host support.
6091 * config.host: Ditto.
6092 * config/i386/darwin64.h: New file.
6093 * config/i386/t-darwin64: Ditto.
6095 2006-11-06 Janis Johnson <janis187@us.ibm.com>
6097 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
6098 and output-exists-not.
6100 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
6103 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
6104 checking for overflow.
6106 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
6108 * configure.ac: Fixed typo in case statement: :: changed to ;;
6110 2006-11-06 Bob Wilson <bob.wilson@acm.org>
6112 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
6113 count_leading_zeros, and count_trailing_zeros.
6114 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
6115 (TARGET_FOLD_BUILTIN): Define.
6116 (TARGET_EXPAND_BUILTIN): Define.
6117 (xtensa_init_builtins): New.
6118 (xtensa_fold_builtin): New.
6119 (xtensa_expand_builtin): New.
6120 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
6121 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
6122 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
6123 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
6124 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
6125 (any_extend): New code macro.
6126 (u, su): New code attributes.
6127 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
6128 (nsau): Remove; replaced by clzsi2.
6129 (ffssi2): Use clzsi2.
6130 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
6131 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
6132 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
6133 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
6134 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
6136 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
6138 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
6140 * config/arm/t-strongarm-elf: Likewise.
6141 * config/arm/t-pe: Likewise.
6142 * config/arm/t-arm-elf: Likewise.
6143 * config/arm/t-xscale-elf: Likewise.
6144 * config/arm/t-arm-coff: Likewise.
6145 * config/arm/t-xscale-coff: Likewise.
6146 * config/arm/t-wince-pe: Likewise.
6148 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
6150 * config/sh/lib1funcs-4-300.asm: Guard entire file with
6153 2006-11-05 Jakub Jelinek <jakub@redhat.com>
6156 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
6159 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
6162 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
6163 as a valid 80387 constant.
6164 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
6165 * config/i386/i386.md (unnamed splitter): Split the load of
6166 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
6169 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
6171 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
6172 from the soft-frame, argument and virtual registers.
6174 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
6176 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
6177 patterns for standard 80387 constants.
6179 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
6180 Steven Bosscher <steven@gcc.gnu.org>
6182 * fwprop.c: New file.
6183 * Makefile.in: Add fwprop.o.
6184 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
6185 * passes.c (init_optimization_passes): Schedule forward propagation.
6186 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
6188 * timevar.def (TV_FWPROP): New.
6189 * common.opt (-fforward-propagate): New.
6190 * opts.c (decode_options): Enable forward propagation at -O2.
6191 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
6192 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
6193 canon_for_address, table_size): Remove.
6194 (new_basic_block, insert, remove_from_table): Remove references to
6196 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
6197 simplification loop more straightforward by not calling fold_rtx
6199 (equiv_constant): Move here a small part of fold_rtx_subreg,
6200 do not call fold_rtx. Call avoid_constant_pool_reference
6202 * recog.h (canonicalize_change_group): New.
6204 * doc/invoke.texi (Optimization Options): Document fwprop.
6205 * doc/passes.texi (RTL passes): Document fwprop.
6207 2006-11-03 Geoffrey Keating <geoffk@apple.com>
6209 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
6210 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
6211 (grokdeclarator): Likewise.
6213 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
6215 * tree-dump.c (dump_enable_all): Rename local variable
6216 ir_type to avoid name conflicts.
6217 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
6218 instead of using ir_type().
6219 * profile.c (tree_register_profile_hooks): Likewise.
6220 * value-prof.c (tree_register_value_prof_hooks): Likewise.
6221 * basic-block.h (struct edge_def): Likewise.
6222 * config/arm/arm.c (legitimize_pic_address): Likewise.
6223 * coretypes.h (ir_type): New enum of all intermediate languages
6225 * cfghooks.c (ir_type): Rename to...
6226 (current_ir_type): ...this. Distinguish between cfgrtl and
6227 cfglayout mode when the current IR is RTL. Return enum ir_type.
6228 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
6230 2006-11-03 Paul Brook <paul@codesourcery.com>
6232 * config/arm/arm.c (arm_file_start): New function.
6233 (TARGET_ASM_FILE_START): Define.
6234 (arm_default_cpu): New variable.
6235 (arm_override_options): Set arm_default_cpu.
6237 2006-11-03 David Ung <davidu@mips.com>
6239 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
6240 PROCESSOR_24KC and PROCESSOR_24KF.
6241 * config/mips/mips.c (mips_cpu_info_table): Add processor names
6242 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
6243 (mips_rtx_cost_data): Add costs for the 24kc.
6244 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
6245 * config/mips/24k.md: Remove references to 24k and replace with
6246 uses of 24kc/24kf in the appropriate reservations.
6247 * doc/invoke.texi (MIPS Options): Updated.
6249 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
6251 * config/sh/crt1.asm: Fix #ifdef indent.
6253 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
6254 Merged from STMicroelectronics sources:
6255 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
6256 * config/sh/crt1.asm (vbr_600): Add missing #if.
6257 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
6258 * sh.opt (mfused-madd): New option.
6259 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
6260 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6261 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
6262 Remove pointless handler at VBR+0.
6263 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
6264 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
6265 fr7. Make sure the timer handler is called with the correct FPU
6266 precision setting, according to the ABI.
6267 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
6268 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
6269 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
6270 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
6271 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
6272 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
6273 zero as second operand.
6274 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
6275 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
6276 Fixed some bugs related to negative values, in particular -0
6277 and overflow at -0x80000000.
6278 * config/sh/divcost-analysis: Added sh4-300 figures.
6279 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
6280 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
6281 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
6282 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
6283 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
6284 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
6286 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
6288 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
6289 SH4-300 scheduling description & fixes to SH4-[12]00 description:
6290 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
6291 mac_mem, mem_mac, dfp_mul, fp_cmp.
6292 (insn_class, dfp_comp, any_fp_comp): Update.
6293 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
6294 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
6295 (muldf3_i): Likewise.
6296 (movsi_i): Split rI08 alternative into two separate alternatives.
6298 (movsi_ie, movsi_i_lowpart): Likewise.
6299 (movqi_i): Split ri alternative into two separate alternatives.
6301 * sh1.md (sh1_load_store, sh1_fp): Update.
6302 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
6303 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
6304 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
6305 (sh4a_fp_double_arith): Likewise.
6306 * sh4-300.md: New file.
6307 * sh.c (sh_handle_option): Handle m4-300* options.
6308 (sh_adjust_cost): Fix latency of auto-increments.
6309 Handle SH4-300 differently than other SH4s. Check for new insn types.
6310 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
6311 been set by an option.
6312 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
6313 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
6314 (mbranch-cost=): Likewise.
6315 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
6317 * sh.md (mulsf3): Remove special expansion code.
6318 (mulsf3_ie): Now a define_insn_and_split.
6319 (macsf3): Allow for TARGET_SH4.
6321 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
6322 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
6323 (expand_cbranchdi4): Likewise.
6324 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
6325 CONST_DOUBLE if the outer code is COMPARE.
6326 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
6327 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
6328 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
6329 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
6330 Remove redundant fp_{zero,one}_operand checks.
6331 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
6332 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
6333 (expand_cbranchdi4): Likewise.
6334 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
6335 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
6337 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
6339 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
6342 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
6344 * doc/invoke.texi: Fix mfp-trap-mode typo.
6346 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
6348 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
6349 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
6350 file_end_indicate_exec_stack.
6351 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
6353 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
6354 for a non-executable stack.
6355 * crti.asm: Likewise.
6356 * crtn.asm: Likewise.
6357 * libunwind.S: Likewise.
6359 2006-11-02 Ben Elliston <bje@au.ibm.com>
6361 * tree-ssa.c (warn_uninit): Use expand_location variables for
6362 locus and declaration locus.
6364 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
6367 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
6368 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
6369 cmp{eq,gt,gtu}{si,di}_media.
6370 (*cmpne0si_media): Remove.
6371 (*movsicc_umin): Adjust gen_cmp*_media call.
6372 (unordered): Change the mode of unordered and operands[1] to
6374 (seq): Adjust gen_cmp*_media calls. Make the mode of
6375 a temporary result of compare SImode if needed. If the mode
6376 of operands[0] is DImode, extend the temporary result to DImode.
6377 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
6378 (sunorderd): Change the mode of match_operand and unorderd to
6380 (cmpeq{sf,df}_media): Remove.
6381 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
6382 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
6383 and compare operation to SImode.
6385 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
6387 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
6389 (sparc64-sun-solaris2*): Likewise.
6391 2006-11-02 Paul Brook <paul@codesourcery.com>
6393 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
6394 from priority argument. Use different section for non-default
6396 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
6398 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
6401 * except.c (switch_to_exception_section): Do not cache the section
6402 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6403 and flag_function_sections is set.
6405 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6408 * builtins.c (do_mpfr_sincos): New.
6409 (fold_builtin_1): Use it to fold builtin sincos.
6411 2006-11-01 Roger Sayle <roger@eyesopen.com>
6413 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
6414 it into -D_REENTRANT.
6416 2006-11-01 Roger Sayle <roger@eyesopen.com>
6418 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
6419 whether the assembler supports taking the difference of symbols in
6420 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
6421 * configure: Regenerate.
6422 * config.in: Regenerate.
6423 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
6424 the assembler doesn't support taking the difference of symbols in
6425 different sections, i.e. we're using the native solaris assembler.
6427 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
6428 Peter Bergner <bergner@vnet.ibm.com>
6430 * doc/invoke.texi: Add cpu_type power6x
6431 (RS/6000 and PowerPC Options): Add -mmfpgpr.
6432 * config.gcc: Add cpu_type power6x.
6433 * configure.ac: Add test for mf{t,f}gpr instructions.
6434 (HAVE_AS_MFPGPR): New.
6435 * config.in: Regenerate.
6436 * configure: Regenerate.
6437 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
6438 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
6439 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
6440 and mftgpr attributes.
6441 (define_attr "cpu"): Add power6.
6442 Change instruction sequences to use new attributes.
6443 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
6444 (fix_truncdfsi2_mfpgpr): New.
6445 (floatsidf_ppc64_mfpgpr): New.
6446 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
6447 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
6448 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
6449 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
6450 (fix_truncdfsi2): Use gpc_reg_operand constraint.
6451 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
6452 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
6453 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
6454 cntlz,exts and var_delayed_compare.
6455 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6456 _ARCH_PWR6X, if features enabled.
6457 * config/rs6000/rs6000.opt (mmfpgpr): New.
6458 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
6459 (cached_can_issue_more): New variable.
6460 (processor_costs): Add power6_cost.
6461 (rs6000_sched_init): New function.
6462 (is_dispatch_slot_restricted): Deleted.
6463 (set_to_load_agen): New function.
6464 (is_load_insn,is_store_insn): New functions.
6465 (adjacent_mem_locations): New function.
6466 (insn_must_be_first_in_group): New function.
6467 (insn_must_be_last_in_group): New function.
6468 (rs6000_sched_reorder): New function.
6469 (rs6000_sched_reorder2): New function.
6470 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
6471 TARGET_SCHED_REORDER2): Define.
6472 (processor_target_table): Use PROCESSOR_POWER6 for power6.
6473 Add power6x. Add MASK_MFPGPR for power6x.
6474 (POWERPC_MASKS): Add MASK_MFPGPR.
6475 (rs6000_override_options): Set rs6000_always_hint to false
6476 for power6. Set rs6000_align_branch_targets. Replace
6477 rs6000_sched_groups check with rs6000_align_branch_targets.
6478 Use PROCESSOR_POWER6.
6479 (last_scheduled_insn): New variable.
6480 (load_store_pendulum): New variable.
6481 (rs6000_variable_issue): Set last_scheduled_insn and
6482 cached_can_issue_more.
6483 (rs6000_adjust_cost): Add power6 cost adjustments.
6484 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
6485 with insn_must_be_first_in_group. Add power6 priority adjustments.
6486 (rs6000_issue_rate): Add CPU_POWER6.
6487 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
6488 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
6489 (TARGET_MFPGPR): New.
6490 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
6491 (ASM_CPU_SPEC): Add power6x.
6492 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
6494 * config/rs6000/power6.md: New file.
6496 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
6498 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
6499 HOST_WIDE_INT_PRINT to print high and low parts. Use
6500 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
6501 printing a hexadecimal number prefix it with 0x.
6503 2006-11-01 Chris Johns <chris@contemporary.net.au>
6506 * Makefile.in (install-driver): Use exeext when installing
6507 $target-gcc-$version.
6509 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
6511 * c-common.c (flag_cpp0x): New.
6512 * c-common.h (flag_cpp0x): New.
6513 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
6514 supported, define __GXX_EXPERIMENTAL_CPP0X__.
6515 * c-opts.c (set_std_cxx0x): New.
6516 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
6517 * c.opt (std=c++0x): Document.
6518 (std=gnu++0x): Ditto.
6519 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
6520 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
6522 2006-11-01 Richard Guenther <rguenther@suse.de>
6524 * config/i386/i386.c (ix86_expand_rint): Fix issues with
6526 (ix86_expand_floorceildf_32): Likewise.
6527 (ix86_expand_floorceil): Likewise.
6528 (ix86_expand_trunc): Likewise.
6530 2006-10-31 Andrew Pinski <pinskia@gmail.com>
6532 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
6535 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
6537 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
6539 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
6541 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
6543 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
6544 * configure.ac (use_cxa_atexit): As a special case, don't test
6545 for libc definition of __cxa_atexit on mingw32
6546 * configure: Regenerate.
6547 * config.gcc (i[34567]86-pc-mingw32): Default to
6548 enable__cxa_atexit=yes.
6550 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6552 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
6554 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6557 * c-decl.c (start_struct): Don't create self-containing
6559 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6561 * config/rs6000/rs6000-protos.h
6562 (darwin_rs6000_special_round_type_align): New.
6563 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
6564 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
6566 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6568 * toplev.c (compile_file): Call final_write_globals
6569 even if there have been errors.
6571 2006-10-31 Eric Christopher <echristo@apple.com>
6572 Falk Hueffner <falk@debian.org>
6574 * doc/extend.texi (__builtin_bswap32): Document.
6575 (__builtin_bswap64): Ditto.
6576 * doc/libgcc.texi (bswapsi2): Document.
6578 * doc/rtl.texi (bswap): Document.
6579 * optabs.c (expand_unop): Don't widen a bswap.
6580 (init_optabs): Init bswap. Set libfuncs explicitly
6581 for bswapsi2 and bswapdi2.
6582 * optabs.h (OTI_bswap): New.
6583 (bswap_optab): Ditto.
6584 * genopinit.c (optabs): Handle bswap_optab.
6585 * tree.h (tree_index): Add TI_UINT32_TYPE and
6587 (uint32_type_node): New.
6588 (uint64_type_node): Ditto.
6589 * tree.c (build_common_tree_nodes_2): Initialize
6590 uint32_type_node and uint64_type_node.
6591 * builtins.c (expand_builtin_bswap): New.
6592 (expand_builtin): Call.
6593 (fold_builtin_bswap): New.
6594 (fold_builtin_1): Call.
6595 * fold-const.c (tree_expr_nonnegative_p): Return true
6597 * builtin-types.def (BT_UINT32): New.
6599 (BT_FN_UINT32_UINT32): Ditto.
6600 (BT_FN_UINT64_UINT64): Ditto.
6601 * builtins.def (BUILT_IN_BSWAP32): New.
6602 (BUILT_IN_BSWAP64): Ditto.
6603 * rtl.def (BSWAP): New.
6604 * genattrtab.c (check_attr_value): New.
6605 * libgcc2.c (__bswapSI2): New.
6606 (__bswapDI2): Ditto.
6607 * libgcc2.h (__bswapSI2): Declare.
6608 (__bswapDI2): Ditto.
6609 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
6610 * simplify-rtx.c (simplify_const_unary_operation): Return
6612 * libgcc-std.ver (__bwapsi2): Add.
6613 (__bswapdi2): Ditto.
6614 * reload1.c (eliminate_regs_1): Add bswap.
6615 (elimination_effects): Ditto.
6616 * config/i386/i386.h (x86_bswap): New.
6617 (TARGET_BSWAP): Use.
6618 * config/i386/i386.c (x86_bswap): Set.
6620 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6622 * coverage.c (coverage_checksum_string): Update comment.
6623 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
6624 of get_file_function_name.
6625 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
6626 of get_file_function_name_long.
6627 * tree.c (get_file_function_name): Rename from
6628 get_file_function_name_long; improve comment; handle 'I' and 'D'
6629 specially when the target has ctor/dtor support; remove special
6631 (get_file_function_name): Remove.
6632 * tree.h (get_file_function_name): Rename from
6633 get_file_function_name_long.
6634 (get_file_function_name): Remove prototype.
6636 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6638 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
6639 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
6641 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
6642 Call dsymutil when compiling and linking one or more source files
6645 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6648 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
6650 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6652 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
6653 inline static functions in c99 mode.
6656 * doc/extend.texi (Inline): Update.
6657 * c-tree.h (struct language_function): Remove field 'extern_inline'.
6658 * c-decl.c (current_extern_inline): Delete.
6659 (pop_scope): Adjust test for an undefined nested function.
6660 Add warning about undeclared inline function.
6661 (diagnose_mismatched_decls): Update comments. Disallow overriding
6662 of inline functions in a translation unit in C99. Allow inline
6663 declarations in C99 at any time.
6664 (merge_decls): Boolize variables. Handle C99 'extern inline'
6666 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
6667 C99 inline semantics.
6668 (start_function): Don't clear current_extern_inline. Don't set
6670 (c_push_function_context): Don't push current_extern_inline.
6671 (c_pop_function_context): Don't restore current_extern_inline.
6674 * c-typeck.c (build_external_ref): Warn about static variables
6675 used in extern inline functions.
6676 * c-decl.c (start_decl): Warn about static variables declared
6677 in extern inline functions.
6679 2006-10-31 Roger Sayle <roger@eyesopen.com>
6682 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
6683 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
6684 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
6685 or y is an even integer.
6687 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
6690 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
6691 * gthr-posix95.h (__gthread_active_p): Likewise.
6693 2006-10-31 Richard Guenther <rguenther@suse.de>
6695 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
6696 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
6697 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
6698 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
6699 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
6700 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
6701 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
6702 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
6705 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
6707 * opts.c (decode_options): Disable CSE skip blocks.
6709 2006-10-30 Dirk Mueller <dmueller@suse.de>
6711 * c-common.h (strict_aliasing_warning): Fix whitespace.
6712 * c-decl (start_function): Move code for main decl warning ..
6713 * c-common.c (check_main_parameter_types): .. here.
6714 * c-common.h (check_main_parameter_types): Declare.
6716 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6719 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6721 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
6723 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6724 be a PARALLEL containing sets. Return false when out_pat is not
6727 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6729 * config/mips/mips.md (mul<mode>3): Split into...
6730 (mulsi3, muldi3): ...these separate patterns.
6732 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6734 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6735 but with each set of options separated by spaces.
6737 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
6739 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
6740 dwarf_reg_size_table has been initialized.
6742 2006-10-30 Roger Sayle <roger@eyesopen.com>
6744 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
6745 * ddg.c (print_ddg_edge): Likewise.
6746 * dwarf2out.c (prune_unused_types_walk): Likewise.
6747 * ifcvt.c (noce_try_cmove_arith): Likewise.
6748 * langhooks.c (add_builtin_function): Likewise.
6749 * reg-stack.c (subst_stack_regs_pat): Likewise.
6750 * tree.c (expanded_location): Likewise.
6751 * tree-dump.c (dequeue_and_dump): Likewise.
6753 2006-10-30 David Daney <ddaney@avtrex.com>
6755 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6757 2006-10-30 Jakub Jelinek <jakub@redhat.com>
6759 PR tree-optimization/29637
6760 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6761 of the innertype is the innertype itself.
6763 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
6765 * dwarf2out.c (file_name_acquire): Correct typo.
6767 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
6769 * tree.h (tree_value_handle): Remove struct value_set declaration.
6770 Change value_set to bitmap_set.
6771 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6772 * tree-vn.c (get_value_handle): Made inline and moved to
6774 * tree-flow-inline.h: (has_stmt_ann): New function.
6775 * tree-ssa-pre.c (expressions): New variable.
6776 (next_expression_id): Ditto.
6777 (alloc_expression_id): New function.
6778 (struct value_set): Remove.
6779 (get_expression_id): New function.
6780 (get_or_alloc_expression_id): Ditto.
6781 (expression_for_id): Ditto.
6782 (clear_expression_ids): Ditto.
6783 (FOR_EACH_EXPR_ID_IN_SET): New macro.
6784 (bb_value_sets): Renamed to bb_bitmap_sets.
6785 All value sets replaced with bitmap_sets.
6787 (BB_VISITED): New macro.
6788 (postorder): New variable.
6789 (add_to_value): Removed.
6790 (value_exists_in_set_bitmap): Ditto.
6791 (value_insert_into_set_bitmap): Ditto.
6794 (set_remove): Ditto.
6795 (set_contains_value): Ditto.
6796 (insert_into_set): Ditto.
6798 (find_leader): Ditto.
6799 (bitmap_set_subtract_from_value_set): Ditto.
6800 (value_insert_into_set): Ditto.
6801 (print_value_set): Ditto.
6802 (debug_value_set): Ditto.
6803 (constant_expr_p): New function.
6804 (bitmap_remove_from_set): Ditto.
6805 (bitmap_insert_into_set): Ditto.
6806 (bitmap_set_free): Ditto.
6807 (vh_compare): Ditto.
6808 (sorted_array_from_bitmap_set): Ditto.
6809 (bitmap_set_subtract): Ditto.
6810 (bitmap_set_equal): Ditto.
6811 (debug_bitmap_set): Ditto.
6812 (find_leader_in_sets): Ditto.
6813 (bitmap_set_replace_value): Modify for bitmapped sets.
6814 (phi_translate): Ditto.
6815 (phi_translate_set): Ditto.
6816 (bitmap_find_leader): Ditto.
6817 (valid_in_sets): Ditto.
6818 (union_contains_value): Ditto.
6820 (compute_antic_aux): Ditto. Mark changed blocks.
6821 (compute_antic): Ditto. Iterate in postorder and only over
6823 (compute_rvuse_and_antic_safe): Reuse postorder.
6824 (create_component_ref_by_pieces): Modify for bitmapped sets.
6825 (find_or_generate_expression): Ditto.
6826 (create_expression_by_pieces): Ditto.
6827 (insert_into_preds_of_block): Ditto.
6828 (changed_blocks): New variable.
6829 (do_regular_insertion): Broken out from insert_aux.
6830 (insert_aux): Modified for bitmapped sets.
6831 (find_existing_value_expr): New function.
6832 (create_value_expr_from): Use it.
6833 (insert_extra_phis): Removed.
6834 (print_bitmap_set): Renamed from bitmap_print_value_set.
6835 (compute_avail): Handle RETURN_EXPR.
6836 (init_pre): Modify for bitmapped sets.
6837 * tree-flow.h (has_stmt_ann): New function.
6839 2006-10-29 Roger Sayle <roger@eyesopen.com>
6841 * builtins.c (fold_builtin_floor): Check for the availability of
6842 the C99 trunc function before transforming floor into trunc.
6844 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6846 * builtins.c (fold_builtin_hypot): Rearrange recursive
6847 transformation before others, and also do ABS_EXPR. When
6848 necessary, check flag_unsafe_math_optimizations. When necessary,
6851 2006-10-29 Roger Sayle <roger@eyesopen.com>
6853 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6854 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6855 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6856 Fold -X eq/ne -Y as X eq/ne Y.
6858 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6860 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6861 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6862 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6863 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6864 Use an inclusive test for "mult" rather than "mul".
6865 (rotr<mode>3): Depend on ISA_HAS_ROR.
6866 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6868 (GENERATE_MULT3_DI): Delete.
6869 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6870 (ISA_HAS_MUL3): New macro.
6871 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6872 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6873 (ISA_HAS_CLZ_CLO): Likewise.
6874 (ISA_HAS_DCLZ_DCLO): Delete.
6875 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6876 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6877 the VR4120 and VR4130.
6878 (ISA_HAS_MACCHI): Use consistent formatting.
6879 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6880 (ISA_HAS_ROR): ...this new macro.
6881 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6882 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6883 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6885 2006-10-29 Roger Sayle <roger@eyesopen.com>
6887 PR tree-optimization/15458
6888 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6891 2006-10-29 Richard Guenther <rguenther@suse.de>
6893 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6894 (ix86_expand_truncdf_32): Likewise.
6895 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6896 trunc inline for SSE math and -fno-trapping-math and if not
6897 optimizing for size.
6898 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6899 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6900 for expanding btrunc inline for SSE math.
6902 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6904 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6905 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6906 i[34567]86-*-solaris2.1[0-9]*.
6907 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6908 Define conditionally depending on TARGET_64BIT_DEFAULT.
6909 (SPEC_32, SPEC_64): Define.
6910 (LINK_SPEC): Use them.
6911 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6913 2006-10-29 Richard Guenther <rguenther@suse.de>
6915 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6916 (ix86_expand_rounddf_32): Likewise.
6917 * config/i386/i386.c (ix86_expand_round): New function expanding
6918 round inline for SSE math and -fno-trapping-math and if not
6919 optimizing for size.
6920 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6921 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6922 round via ix86_expand_round.
6924 2006-10-29 Richard Guenther <rguenther@suse.de>
6926 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6927 (ix86_expand_floorceildf_32): Likewise.
6928 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6929 static helper function.
6930 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6932 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6933 * config/i386/i386.md (floordf2): Adjust to enable floor
6934 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6935 -fno-trapping-math is enabled and if not optimizing for size.
6936 (floorsf2, ceildf2, ceilsf2): Likewise.
6937 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6938 (sse2_maskcmpdf3): Likewise.
6940 2006-10-29 Richard Guenther <rguenther@suse.de>
6942 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6943 rint in case -fno-trapping-math is enabled.
6944 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6945 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6946 (ix86_expand_sse_fabs): Likewise.
6947 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6948 * config/i386/i386.md (rintdf2): Enable for SSE math if
6949 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6950 (rintsf2): Likewise.
6952 2006-10-29 Richard Guenther <rguenther@suse.de>
6954 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6955 to conversion optabs.
6956 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6957 as conversion optab.
6958 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6959 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6960 (lfloor_optab, lceil_optab): Adjust defines.
6961 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6962 lfloor and lceil optabs now being conversion optabs.
6963 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6964 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6965 New static helper function.
6966 (ix86_expand_lfloorceil): New function to expand lfloor and
6968 * config/i386/i386.md (lfloor<mode>2): Split into ...
6969 (lfloorxf<mode>2): ... x87 variant
6970 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6971 using ix86_expand_lfloorceil.
6972 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6974 * doc/md.texi (lfloorMN, lceilMN): Document.
6976 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6978 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6979 -mno-shared assembler option on mips targets.
6980 * configure, config.in: Regenerate.
6981 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6982 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6983 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6985 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6987 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6988 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6990 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6992 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6993 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6996 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6999 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
7000 (fold_builtin_pow): Evaluate constant arguments at compile-time
7002 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
7003 (do_mpfr_ckconv): New helper function.
7004 (do_mpfr_arg1): Use do_mpfr_ckconv.
7005 (do_mpfr_arg2): New.
7007 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
7010 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
7011 (-fdump-rtl-sched): Rename to ..
7012 (-fdump-rtl-sched1): here. Also fix file extension number.
7014 2006-10-28 Richard Guenther <rguenther@suse.de>
7016 * fold-const.c (maybe_canonicalize_comparison): Fix code
7019 2006-10-28 Uros Bizjak <uros@kss-loka.si>
7021 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
7022 (NON_QI_REG_P): Use IN_RANGE.
7023 (REX_INT_REGNO_P): Use IN_RANGE.
7024 (FP_REGNO_P): Use IN_RANGE.
7025 (SSE_REGNO_P): Use IN_RANGE.
7026 (REX_SSE_REGNO_P): Use IN_RANGE.
7027 (MMX_REGNO_P): Use IN_RANGE.
7028 (STACK_REGNO_P): New macro.
7029 (STACK_REG_P): Use STACK_REGNO_P.
7030 (NON_STACK_REG_P): Use STACK_REGNO_P.
7031 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
7032 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
7033 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
7034 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
7035 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
7037 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
7039 * except.h (output_function_exception_table): Add 'const char*' param.
7040 * except.c (switch_to_exception_section): Add 'const char*' param.
7041 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
7042 and flag_function_sections is set, use a function-specific section.
7043 (output_function_exception_table): Add 'const char*' param.
7044 Adjust call to switch_to_exception_section.
7045 * final.c (rest_of_handle_final): Adjust calls to
7046 output_function_exception_table.
7047 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
7048 * config.in: Regenerate.
7049 * configure: Likewise.
7051 2006-10-28 Richard Guenther <rguenther@suse.de>
7054 * fold-const.c (maybe_canonicalize_comparison_1): Helper
7055 for maybe_canonicalize_comparison.
7056 (maybe_canonicalize_comparison): New function for canonicalizing
7058 (fold_comparison): Call it to canonicalize comparisons with
7061 2006-10-28 Richard Guenther <rguenther@suse.de>
7064 * builtins.c (expand_builtin_int_roundingfn_2): Expand
7065 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
7066 (expand_builtin): Adjust likewise.
7067 * genopinit.c (optabs[]): Add lround optab.
7068 * optabs.c (init_optabs): Initialize lround_optab.
7069 * optabs.h (enum convert_optab_index): Add COI_lround.
7070 (lround_optab): Define.
7071 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
7072 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
7074 (ix86_expand_lround): New function.
7075 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
7077 * doc/md.texi (lroundMN2): Document.
7079 2006-10-28 Uros Bizjak <uros@kss-loka.si>
7082 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
7083 argument to HOST_WIDE_INT. Update function prototype.
7084 (round_frame_size): Change return type to HOST_WIDE_INT. Change
7085 "size" argument to HOST_WIDE_INT. Update function prototype.
7087 2006-10-28 Uros Bizjak <uros@kss-loka.si>
7089 * config/i386/i386.c (output_387_ffreep): Create output from a
7090 template string for !HAVE_AS_IX86_FFREEP.
7092 2006-10-27 Eric Christopher <echristo@apple.com>
7094 * config/darwin.c: Fix formatting and grammar.
7096 2006-10-27 Jan Hubicka <jh@suse.cz>
7098 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
7099 to be thrown away soon when IGNORE is set.
7100 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
7101 indicating when return value shall not be computed.
7102 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
7104 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
7106 * config/i386/i386.h (TARGET_GEODE):
7107 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
7108 (TARGET_CPU_DEFAULT_geode): New macro.
7109 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
7110 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
7111 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
7112 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
7113 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
7115 (TARGET_CPU_DEFAULT_NAMES): Add geode.
7116 (processor_type): Add PROCESSOR_GEODE.
7118 * config/i386/i386.md: Include geode.md.
7121 * config/i386/i386.c (geode_cost): New initialized global
7123 (m_GEODE, m_K6_GEODE): New macros.
7124 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
7125 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
7126 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
7127 x86_schedule): Use m_K6_GEODE instead of m_K6.
7128 (x86_movx, x86_cmove): Set up m_GEODE.
7129 (x86_integer_DFmode_moves): Clear m_GEODE.
7130 (processor_target_table): Add entry for geode.
7131 (processor_alias_table): Ditto.
7133 * config/i386/geode.md: New file.
7135 * doc/invoke.texi: Add entry about geode processor.
7137 2006-10-27 Mike Stump <mrs@apple.com>
7139 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
7140 __DYNAMIC__ from here back to ...
7141 * config/darwin.h (CPP_SPEC): ... here.
7143 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
7144 Nathan Sidwell <nathan@codesourcery.com>
7146 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
7147 when choosing the minimum heapsize.
7149 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
7151 * gcc/unwind-dw2.h: Move cfa-related variables into
7152 struct frame_state_reg_info to ensure that the CFA is properly
7153 handled when executing DW_CFA_{remember,restore}_state.
7154 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
7155 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
7156 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
7157 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
7158 gcc/config/rs6000/linux-unwind.h,
7159 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
7160 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
7161 Modify to use new cfa_* fields.
7163 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
7165 * config/s390/s390.c (s390_init_frame_layout): Check positive
7168 2006-10-26 Ben Elliston <bje@au.ibm.com>
7170 * gimplify.c (get_name): Remove extraneous break.
7171 (gimplify_omp_for): Initialise ret with GS_OK.
7173 2006-10-25 Steve Ellcey <sje@cup.hp.com>
7175 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
7176 Add unix98.o to link line.
7178 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7181 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
7182 Calculate compile-time constants using MPFR.
7183 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
7184 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
7186 2006-10-25 Bob Wilson <bob.wilson@acm.org>
7188 * config/xtensa/lib2funcs.S: Use C-style comments.
7190 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
7192 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
7193 (file_table_relative_p): Likewise.
7194 (dwarf2out_finish): Likewise.
7195 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
7197 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
7199 * tree-ssa-structalias.c (intra_create_variable_infos):
7200 Don't recreate nonlocal_all if it already exists.
7202 2006-10-25 Richard Guenther <rguenther@suse.de>
7205 * optabs.h (enum optab_index): Remove OTI_lrint.
7206 (enum convert_optab_index): Add COI_lrint.
7207 (lrint_optab): Adjust.
7208 (expand_sfix_optab): Declare.
7209 * optabs.c (expand_sfix_optab): New function.
7210 (init_optabs): Init lrint_optab as conversion optab.
7211 * genopinit.c (lrint_optab): Change to a conversion optab.
7212 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
7213 expansion via conversion optab.
7214 * config/i386/i386.md (*fistdi2_1): Remove
7215 flag_unsafe_math_optimizations guard.
7216 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
7217 fist<mode>2_with_temp): Likewise.
7218 (lrint<mode>2): Split into...
7219 (lrintxf<mode>2): ... x87 part
7220 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
7221 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
7222 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
7223 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
7224 * doc/md.texi (lrintMN2): Document.
7226 2006-10-25 Uros Bizjak <uros@kss-loka.si>
7229 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
7230 Use inc and dec instructions for TARGET_USE_INCDEC.
7231 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
7232 ("sync_double_compare_and_swap<mode>"): Likewise.
7233 ("*sync_double_compare_and_swapdi_pic"): Likewise.
7234 ("*sync_compare_and_swap_cc<mode>"): Likewise.
7235 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
7236 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
7237 ("sync_old_add<mode>"): Likewise.
7238 ("sync_lock_test_and_set<mode>"): Likewise.
7239 ("sync_lock_test_and_set<mode>"): Likewise.
7240 ("sync_add<mode>"): Likewise.
7241 ("sync_sub<mode>"): Likewise.
7242 ("sync_ior<mode>"): Likewise.
7243 ("sync_and<mode>"): Likewise.
7244 ("sync_xor<mode>"): Likewise.
7246 2006-10-25 Uros Bizjak <uros@kss-loka.si>
7248 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
7249 (remainder_optab): Define corresponding macro.
7250 (drem_optab): Remove.
7251 * optabs.c (init_optabs): Initialize remainder_optab. Remove
7252 drem_optab initialization.
7253 * genopinit.c (optabs): Implement remainder_optab using
7254 remainder?f3 patterns. Remove drem_optab.
7255 * builtins.c (expand_builtin_mathfn_2): Handle
7256 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
7257 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
7258 expand_builtin_mathfn_2.
7260 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
7261 depend on flag_unsafe_math_optimizations.
7263 * config/i386/i386.md ("remaindersf3", "remainderdf3")
7264 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
7265 Do not depend on flag_unsafe_math_optimizations. Use
7266 truncxf?f expander instead of truncxf?f_i387_noop.
7268 ("fpremxf4", "fprem1xf4"): Do not depend on
7269 flag_unsafe_math_optimizations.
7270 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
7271 flag_unsafe_math_optimizations. Use truncxf?f expander
7272 instead of truncxf?f_i387_noop.
7274 * doc/md.texi (fmod, remainder): Document standard named pattern.
7276 2006-10-24 Richard Sandiford <richard@codesourcery.com>
7277 David Daney <ddaney@avtrex.com>
7280 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
7282 2006-10-25 Ben Elliston <bje@au.ibm.com>
7284 * doc/extend.texi (Variable Attributes): Typo fix.
7286 2006-10-24 Uros Bizjak <uros@kss-loka.si>
7288 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
7289 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
7290 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
7291 (FRAME_POINTER_REGNUM): Update register number to 21.
7292 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
7293 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
7295 * config/i386/i386.c (regclass_map): Add fpcr entry.
7296 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
7298 (print_reg): Assert REGNO (x) != FPCR_REG.
7300 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
7301 (DIRFLAG_REG): Renumber.
7302 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
7303 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
7304 (sse_prologue_save, *sse_prologue_save_insn): Renumber
7305 hardcoded SSE register numbers.
7307 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
7308 hardcoded MMX register numbers.
7310 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7313 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
7314 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
7316 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
7317 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
7318 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
7319 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
7321 2006-10-24 Richard Guenther <rguenther@suse.de>
7324 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
7325 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
7326 for deciding optimizations in consistency with fold-const.c
7327 (fold_builtin_unordered_cmp): Likewise.
7329 2006-10-24 Richard Guenther <rguenther@suse.de>
7331 * builtins.c (fold_builtin_floor): Fold floor (x) where
7332 x is nonnegative to trunc (x).
7333 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
7334 nonnegative to FIX_TRUNC_EXPR.
7336 2006-10-24 Richard Guenther <rguenther@suse.de>
7338 PR tree-optimization/29567
7339 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
7340 for TRUTH_NOT_EXPR. Clarify comments.
7342 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7345 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
7346 at compile-time using MPFR. Change parameter VALUE to FUNC,
7348 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
7349 for overflow and underflow at all times and avoid folding in
7352 2006-10-24 Ben Elliston <bje@au.ibm.com>
7354 * reload1.c: Formatting fixes.
7356 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
7358 PR tree-optimization/14784
7359 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
7360 * tree-ssa-structalias.c (get_constraint_for,
7361 intra_create_variable_infos): Set is_heapvar.
7362 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
7363 non-heapvar pointer variables specially.
7365 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7368 * builtins.c (fold_builtin_sin, fold_builtin_cos,
7369 fold_builtin_tan): Fold all constant arguments. Take a "type"
7370 argument as necessary.
7371 (do_mpfr_arg1): New.
7372 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
7374 2006-10-23 Bob Wilson <bob.wilson@acm.org>
7376 * config/xtensa/lib1funcs.asm: Use C-style comments.
7378 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
7380 * tree.c (local_define_builtin): Replace calls to
7381 lang_hooks.builtin_function with add_builtin_function.
7382 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
7384 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
7386 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
7387 common code to add_builtin_function.
7388 * langhooks.c (add_builtin_function): New function.
7389 (lhd_builtin_function): New function.
7390 * langhooks.h (struct lang_hooks): Change the signature of
7392 (add_builtin_function): New function.
7393 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
7394 calls to lang_hooks.builtin_function with add_builtin_function.
7395 * c-common.c (decl_builtin_1): Replace calls to
7396 lang_hooks.builtin_function with add_builtin_function.
7397 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
7398 lang_hooks.builtin_function with add_builtin_function.
7399 * config/frv/frv.c (def_builtin): Replace calls to
7400 lang_hooks.builtin_function with add_builtin_function.
7401 * config/s390/s390.c (s390_init_builtins): Replace calls to
7402 lang_hooks.builtin_function with add_builtin_function.
7403 * config/sparc/sparc.c (def_builtin): Replace calls to
7404 lang_hooks.builtin_function with add_builtin_function.
7405 * config/i386/i386.c (def_builtin): Replace calls to
7406 lang_hooks.builtin_function with add_builtin_function.
7407 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
7408 lang_hooks.builtin_function with add_builtin_function.
7409 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
7410 lang_hooks.builtin_function with add_builtin_function.
7411 * config/stormy16/stormy16.c (xstormy16_init_builtins):
7412 Replace calls to lang_hooks.builtin_function with
7413 add_builtin_function.
7414 * config/iq2000/iq2000.c (def_builtin):
7415 Replace calls to lang_hooks.builtin_function with
7416 add_builtin_function.
7417 * config/ia64/ia64.c (def_builtin): Replace calls to
7418 lang_hooks.builtin_function with add_builtin_function.
7419 * config/rs6000/rs6000.c (def_builtin): Replace calls to
7420 lang_hooks.builtin_function with add_builtin_function.
7421 (altivec_init_builtins): Replace calls to
7422 lang_hooks.builtin_function with add_builtin_function.
7423 * config/arm/arm.c (def_mbuiltin): Replace calls to
7424 lang_hooks.builtin_function with add_builtin_function.
7425 (arm_init_tls_builtins): Replace calls to
7426 lang_hooks.builtin_function with add_builtin_function.
7427 * config/mips/mips.c (mips_init_builtins): Replace calls to
7428 lang_hooks.builtin_function with add_builtin_function.
7429 * config/bfin/bfin.c (def_builtin): Replace calls to
7430 lang_hooks.builtin_function with add_builtin_function.
7431 * langhooks-def.h (lhd_builtin_function): New function.
7432 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
7434 2006-10-23 Jakub Jelinek <jakub@redhat.com>
7436 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
7437 BUILT_IN_STRNCAT_CHK.
7439 2006-10-23 Jan Hubicka <jh@suse.cz>
7441 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
7442 don't do conversion from memmove to memcpy here.
7443 (expand_builtin_bcopy, expand_builtin): Update call of
7444 expand_builtin_memmove.
7445 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
7447 2006-10-23 Paul Brook <paul@codesourcery.com>
7449 * stor-layout.c (start_record_layout): maximum_field_alignment
7450 overrides STRUCTURE_SIZE_BOUNDARY.
7452 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
7454 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
7455 nonlocal function symbols if flag_pic.
7457 2006-10-23 Richard Guenther <rguenther@suse.de>
7461 * builtins.c (fold_binary): Remove checks for flag_wrapv
7462 and flag_trapv where negate_expr_p covers these cases.
7464 2006-10-23 Richard Guenther <rguenther@suse.de>
7467 * fold-const.c (fold_plusminus_mult_expr): Check exact power
7468 of two on the absolute value.
7469 (fold_binary): Fold x * -C to -x * C if x is easily negatable
7470 and negating -C does not overflow.
7472 2006-10-23 Richard Guenther <rguenther@suse.de>
7475 * convert.c (convert_to_real): Fold (float)-x to -(float)x
7476 only if not flag_rounding_math.
7478 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7479 Kaz Kojima <kkojima@gcc.gnu.org>
7482 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
7483 SImode memory reference for the source of a movua.
7484 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
7485 (movua): Use an unspec instead of sign_extract. Expect the source
7486 to have mode BLKmode.
7487 (extv, insv): Use a BLKmode rather than SImode memory reference
7488 for the source of a movua.
7490 2006-10-22 Jeff Law <law@redhat.com>
7491 Richard Guenther <rguenther@suse.de>
7493 PR tree-optimization/15911
7494 * tree-vrp.c (extract_code_and_val_from_cond): New function.
7495 (register_edge_assert_for_1): Likewise.
7496 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
7497 (find_conditional_asserts): Adjust for new function signature.
7498 (find_assert_locations): Likewise.
7500 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7502 * config/i386/tmmintrin.h: Remove the duplicated content.
7504 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7506 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
7507 (x86_64-*-*): Likewise.
7509 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
7510 (override_options): Check SSSE3.
7511 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
7512 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
7513 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
7514 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
7515 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
7516 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
7517 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
7518 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
7519 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
7520 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
7521 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
7522 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
7523 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
7524 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
7525 IX86_BUILTIN_PABSD128.
7526 (bdesc_2arg): Add SSSE3.
7527 (bdesc_1arg): Likewise.
7528 (ix86_init_mmx_sse_builtins): Support SSSE3.
7529 (ix86_expand_builtin): Likewise.
7530 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7532 * config/i386/i386.md (UNSPEC_PSHUFB): New.
7533 (UNSPEC_PSIGN): Likewise.
7534 (UNSPEC_PALIGNR): Likewise.
7535 Include mmx.md before sse.md.
7537 * config/i386/i386.opt: Add -mssse3.
7539 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
7540 (ssse3_phaddwv4hi3): Likewise.
7541 (ssse3_phadddv4si3): Likewise.
7542 (ssse3_phadddv2si3): Likewise.
7543 (ssse3_phaddswv8hi3): Likewise.
7544 (ssse3_phaddswv4hi3): Likewise.
7545 (ssse3_phsubwv8hi3): Likewise.
7546 (ssse3_phsubwv4hi3): Likewise.
7547 (ssse3_phsubdv4si3): Likewise.
7548 (ssse3_phsubdv2si3): Likewise.
7549 (ssse3_phsubswv8hi3): Likewise.
7550 (ssse3_phsubswv4hi3): Likewise.
7551 (ssse3_pmaddubswv8hi3): Likewise.
7552 (ssse3_pmaddubswv4hi3): Likewise.
7553 (ssse3_pmulhrswv8hi3): Likewise.
7554 (ssse3_pmulhrswv4hi3): Likewise.
7555 (ssse3_pshufbv16qi3): Likewise.
7556 (ssse3_pshufbv8qi3): Likewise.
7557 (ssse3_psign<mode>3): Likewise.
7558 (ssse3_psign<mode>3): Likewise.
7559 (ssse3_palignrti): Likewise.
7560 (ssse3_palignrdi): Likewise.
7561 (abs<mode>2): Likewise.
7562 (abs<mode>2): Likewise.
7564 * config/i386/tmmintrin.h: New file.
7566 * doc/extend.texi: Document SSSE3 built-in functions.
7568 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
7570 2006-10-22 Ira Rosen <irar@il.ibm.com>
7572 * tree-vect-transform.c (vectorizable_load): Use the type of the
7573 return value of the mask_for_load builtin to create realign_load
7576 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7578 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
7581 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
7583 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
7584 (UNSPEC_LDDQU): This.
7585 * config/i386/sse.md (sse3_lddqu): Updated.
7587 2006-10-21 Richard Guenther <rguenther@suse.de>
7589 * builtins.c (expand_builtin_int_roundingfn_2): New function.
7590 (expand_builtin): Use it to expand lrint instead of
7591 expand_builtin_mathfn.
7593 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7596 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
7597 flag_unsafe_math_optimizations is set.
7599 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7602 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
7603 patterns to use memory input operand in x87->mem->XMM
7604 reload sequences. Skip transformation for TARGET_K8.
7606 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7608 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
7609 force operand1 to register if both operands are memory operands.
7610 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
7611 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
7612 if both operands are memory operands.
7613 (truncdfsf2): Do not force operand1 to register if both operands
7614 are memory operands.
7616 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7618 * Makefile.in (LIBS): Add $(GMPLIBS).
7619 * doc/install.texi: Update GMP and MPFR requirements.
7620 * doc/sourcebuild.texi (need_gmp): Delete.
7622 2006-10-21 Richard Guenther <rguenther@suse.de>
7624 PR tree-optimization/3511
7625 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
7626 got new invariant arguments during PHI translation.
7628 2006-10-21 Richard Guenther <rguenther@suse.de>
7631 * fold-const.c (fold_comparison): Fold signed comparisons
7632 of the form X +- C1 CMP Y +- C2.
7634 2006-10-21 Richard Guenther <rguenther@suse.de>
7637 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
7638 if flag_unsafe_math_optimizations is specified. We have
7639 flag_finite_math_only for that.
7640 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
7641 or flag_unsafe_math_optimizations.
7643 2006-10-21 Richard Guenther <rguenther@suse.de>
7645 * builtins.c (fold_builtin_classify): Fix typo.
7647 2006-10-21 Richard Guenther <rguenther@suse.de>
7650 * simplify-rtx.c (simplify_const_relational_operation):
7651 Do not constant-fold ORDERED and UNORDERED for
7652 flag_unsafe_math_optimizations but only we do not need to
7653 honor NaNs for the given mode.
7655 2006-10-21 Richard Guenther <rguenther@suse.de>
7658 * config/i386/i386.c (classify_argument): Remove redundant
7659 walking of the BINFOs.
7660 (contains_128bit_aligned_vector_p): Likewise.
7662 2006-10-20 Mark Mitchell <mark@codesourcery.com>
7664 * BASE-VER: Set to 4.3.0.
7666 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
7668 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
7669 (tree_decl_with_vis): Remove artificial_pta_var flag.
7670 * tree-flow.h (referenced_var_check_and_insert): Expose.
7671 (nonlocal_all): New prototype.
7672 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
7673 (nonlocal_all): Make global.
7674 (nonlocal_lookup): Remove.
7675 (nonlocal_insert): Ditto.
7676 (create_nonlocal_var): Do not call nonlocal_insert.
7677 (get_nonlocal_id_for_type): Remove.
7678 (find_global_initializers): Mark new vars we find for renaming.
7679 (intra_create_variable_infos): Only create one nonlocal.
7680 (expand_nonlocal_solutions): Remove.
7681 (compute_points_to_sets): Don't call it.
7682 (ipa_pta_execute): Ditto.
7683 (init_alias_heapvars): Don't create nonlocal_for_type.
7684 (delete_alias_heapvars): Don't remove it.
7685 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
7688 2006-10-19 Brooks Moses <bmoses@stanford.edu>
7690 * doc/install.texi (Downloading GCC): Clarify mention of
7691 Fortran in the "full distribution" description.
7693 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
7695 Fix PR tree-optimization/28778
7696 Fix PR tree-optimization/29156
7697 Fix PR tree-optimization/29415
7698 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
7699 (tree_decl_with_vis): Add artificial_pta_var flag.
7700 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
7701 pushed into callers.
7702 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
7703 (nonlocal_all): Ditto.
7704 (struct variable_info): Add directly_dereferenced member.
7705 (var_escaped_vars): New variable.
7706 (escaped_vars_tree): Ditto.
7707 (escaped_vars_id): Ditto.
7708 (nonlocal_vars_id): Ditto.
7709 (new_var_info): Set directly_dereferenced.
7710 (graph_size): New variable
7711 (build_constraint_graph): Use graph_size.
7712 (solve_graph): Don't process constraints that cannot change the
7713 solution, don't try to propagate an empty solution to our
7715 (process_constraint): Set directly_dereferenced.
7716 (could_have_pointers): New function.
7717 (get_constraint_for_component_ref): Don't process STRING_CST.
7718 (nonlocal_lookup): New function.
7719 (nonlocal_insert): Ditto.
7720 (create_nonlocal_var): Ditto.
7721 (get_nonlocal_id_for_type): Ditto.
7722 (get_constraint_for): Allow results vector to be empty in the case
7723 of string constants.
7724 Handle results of calls properly.
7725 (update_alias_info): Update alias info stats on number and type of
7727 (find_func_aliases): Use could_have_pointers.
7728 (make_constraint_from_escaped): Renamed from
7729 make_constraint_to_anything, and changed to make constraints from
7731 (make_constraint_to_escaped): New function.
7732 (find_global_initializers): Ditto.
7733 (create_variable_info_for): Make constraint from escaped to any
7734 global variable, and from any global variable to the set of
7736 (intra_create_variable_infos): Deal with escaped instead of
7737 pointing to anything.
7738 (set_uids_in_ptset): Do type pruning on directly dereferenced
7740 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
7741 (init_base_vars): Fix comment, and initialize escaped_vars.
7742 (need_to_solve): Removed.
7743 (find_escape_constraints): New function.
7744 (expand_nonlocal_solutions): Ditto.
7745 (compute_points_to_sets): Call find_escape_constraints and
7746 expand_nonlocal_solutions.
7747 (delete_points_to_sets): Don't fall off the end of the graph.
7748 (init_alias_heapvars): Initialize nonlocal_for_type and
7750 (delete_alias_heapvars): Free nonlocal_for_type and null out
7753 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
7755 * fold-const.c (add_double): Rename to add_double_with_sign.
7756 Add 'unsigned_p' parameter and take it into account for the overflow.
7757 (mul_double): Rename to mul_double_with_sign.
7758 Add 'unsigned_p' parameter and take it into account for the overflow.
7759 (fold_div_compare): Call add_double_with_sign instead of add_double
7760 and mul_double_with_sign instead of mul_double, passing them the
7761 unsignedness of the type.
7762 * tree.h (add_double): Macroize.
7763 (add_double_with_sign): New prototype.
7764 (mul_double): Macroize.
7765 (mul_double_with_sign): New prototype.
7767 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
7769 * config/score/crti.asm: New file.
7770 * config/score/crtn.asm: New file.
7771 * config/score/elf.h: New file.
7772 * config/score/mac.md: New file.
7773 * config/score/misc.md: New file.
7774 * config/score/mul-div.S: New file.
7775 * config/score/predicates.md: New file.
7776 * config/score/score7.md: New file.
7777 * config/score/score.c: New file.
7778 * config/score/score-conv.h: New file.
7779 * config/score/score.h: New file.
7780 * config/score/score.md: New file.
7781 * config/score/score-mdaux.c: New file.
7782 * config/score/score-mdaux.h: New file.
7783 * config/score/score-modes.def: New file.
7784 * config/score/score.opt: New file.
7785 * config/score/score-protos.h: New file.
7786 * config/score/score-version.h: New file.
7787 * config/score/t-score-elf: New file.
7788 * config.gcc: Add score*-*-* configurations(Update before).
7789 * doc/invoke.texi (Score Options): New section.
7790 * doc/md.texi (Score family): New section to document constraints.
7792 2006-10-19 Nick Clifton <nickc@redhat.com>
7794 * config/arm/arm.c: Fix spelling typo.
7796 2006-10-18 Tom Tromey <tromey@redhat.com>
7798 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7800 2006-10-18 Jan Hubicka <jh@suse.cz>
7803 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7806 2006-10-18 Marcin Dalecki <martin@dalecki.de>
7808 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7809 TSI_SAME_STMT, since that's the desired entity.
7811 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
7813 * config/s390/contraints.md: New file.
7814 * config/s390/s390-protos.h (s390_mem_constraint,
7815 s390_O_constraint_str, s390_N_constraint_str,
7816 s390_float_const_zero_p): Function prototypes added.
7817 * config/s390/s390.c (s390_extra_constraint_str,
7818 s390_const_double_ok_for_constraint_p,
7819 s390_const_ok_for_constraint_p): Functions removed.
7820 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7821 s390_float_const_zero_p): New functions.
7822 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7823 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7824 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7825 Macro definitions removed.
7826 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7827 s390_extra_constraint_str): Functions removed.
7829 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
7830 Richard Sandiford <richard@codesourcery.com>
7833 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7834 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7836 2006-10-16 Geoffrey Keating <geoffk@apple.com>
7838 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7839 (DWARF2_FRAME_REG_OUT): Likewise.
7840 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7841 (DWARF2_FRAME_REG_OUT): Likewise.
7843 2006-10-17 Paul Brook <paul@codesourcery.com>
7845 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7847 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7849 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7850 Standardize on "GNU Fortran" as the official name of the Fortran
7853 2006-10-16 Mike Stump <mrs@apple.com>
7855 * doc/invoke.texi (Darwin Options): Document -mkernel.
7856 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7858 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7859 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7860 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7861 (OS_MISSING_ALTIVEC): Add.
7862 * config/i386/i386.c (override_options): Add
7863 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7864 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7865 -mkernel, -static or -mdynamic-no-pic is given.
7866 (C_COMMON_OVERRIDE_OPTIONS): Add.
7867 * config/darwin.opt (fapple-kext): Add.
7869 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7870 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7872 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7873 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7874 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7875 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7876 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7877 (flag_mkernel): Add.
7878 (flag_apple_kext): Add.
7879 (TARGET_KEXTABI): Add.
7880 * config/darwin.c (darwin_handle_kext_attribute): Add.
7881 (DARWIN_VTABLE_P): Add.
7882 (darwin_binds_local_p): Add partial support for rebinding vtables
7884 (darwin_kextabi_p): Add.
7885 (darwin_override_options): Add.
7886 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7887 (darwin_kextabi_p): Add.
7888 (darwin_override_options): Add.
7889 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7890 __DYNAMIC__ and __STATIC__ here.
7892 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7894 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7895 Added mention of "make pdf" target, and Texinfo requirements for
7898 2006-10-16 DJ Delorie <dj@redhat.com>
7900 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7901 into the GOT in case we need a subreg of the address.
7903 2006-10-16 Richard Guenther <rguenther@suse.de>
7906 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7907 SSE builtin documentation. Document SSE2 builtins.
7909 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7911 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7912 symbol in the output file for non-shared links when -nostdlib or
7913 -nodefaultlibs isn't specified.
7915 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7916 posix thread support.
7918 2006-10-15 Jan Hubicka <jh@suse.cz>
7921 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7922 declared always_inline even when not inlining.
7924 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7925 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7926 Andrew Pinski <pinskia@gmail.com>
7929 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7931 2006-10-15 Jan Hubicka <jh@suse.cz>
7932 Richard Guenther <rguenther@suse.de>
7935 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7936 process_function_and_variable_attributes on all variables, including
7937 those discovered during cgraph construction phase.
7939 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7941 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7943 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7945 * config/i386/athlon.md (athlon_fist): Add fisttp.
7947 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7948 Ian Lance Taylor <ian@airs.com>
7951 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7952 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7955 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7957 * config/score/score.c, config/score/score.h: Fix comment
7960 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7963 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7966 2006-10-13 Eric Christopher <echristo@apple.com>
7968 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7970 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7973 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7974 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7975 alignment supported by 32-bit ELF.
7977 2006-10-13 Eric Christopher <echristo@apple.com>
7979 * config/darwin.c (darwin_emit_unwind_label): Strip
7980 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7982 2006-10-13 Richard Guenther <rguenther@suse.de>
7984 PR tree-optimization/29446
7985 * tree-vrp.c (fix_equivalence_set): Remove.
7986 (extract_range_from_assert): Do not call fix_equivalence_set.
7987 (debug_value_range): Print a newline.
7988 (compare_name_with_value): For equivalence sets with
7989 inconsistent value ranges conservatively bail out.
7990 (compare_names): Likewise.
7992 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7994 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7995 and MPFR for gfortran.
7997 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7999 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
8000 alignment supported by 32-bit ELF.
8002 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
8006 * c-typeck.c (digest_init): Always allow initializing vectors
8007 that have static storage duration with compound literals.
8008 * tree.c (build_type_attribute_qual_variant): New, based on
8009 build_type_attribute_variant.
8010 (build_type_attribute_variant): Rewrite using the former.
8011 (make_vector_type): Use build_type_attribute_qual_variant to build
8012 type variants. Use type_hash_canon on the others.
8014 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
8015 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
8017 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
8019 2006-10-12 Jan Hubicka <jh@suse.cz>
8022 * c-decl.c (c_make_fname_decl): Do not segfault in case where
8023 current_function_decl is set but current_function_scope is not.
8025 2006-10-12 Jie Zhang <jie.zhang@analog.com>
8027 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
8028 emit_insn to emit eh_return_internal instruction.
8029 (eh_return_internal): Explicitly set pc.
8031 2006-10-11 Richard Guenther <rguenther@suse.de>
8033 PR tree-optimization/28230
8034 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
8035 to the correct place.
8037 2006-10-11 Richard Guenther <rguenther@suse.de>
8040 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
8043 2006-10-10 Brooks Moses <bmoses@stanford.edu>
8045 * configure.ac: Added pdf to "Make-hooks"
8046 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
8047 targets and *.pdf file patterns in cleanup targets.
8048 * configure: Regenerated.
8050 2006-10-10 Anatoly Sokolov <aesok@post.ru>
8052 * config/avr/predicates.md: New file.
8053 * config/avr/avr.md: Include it.
8054 (REG_SP): New constant.
8055 (peepholes): Use predicates.
8056 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
8057 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
8058 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
8060 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
8062 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
8065 2006-10-10 Jakub Jelinek <jakub@redhat.com>
8068 * builtins.c (var_decl_component_p): New function.
8069 (fold_builtin_memset, fold_builtin_memory_op): Restrict
8070 single entry optimization to variables and components thereof.
8072 2006-10-10 Richard Guenther <rguenther@suse.de>
8074 PR rtl-optimization/29323
8075 * except.c (set_nothrow_function_flags): For functions
8076 that do not bind local bail out early.
8078 2006-10-10 Ben Elliston <bje@au.ibm.com>
8080 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
8083 2006-10-09 Richard Henderson <rth@redhat.com>
8085 Revert emutls patch.
8087 2006-10-09 Richard Guenther <rguenther@suse.de>
8090 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
8093 2006-10-09 Steve Ellcey <sje@cup.hp.com>
8096 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
8097 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
8098 * configure: Regenerate.
8099 * config.in: Regenerate.
8101 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
8103 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
8105 2006-10-08 Richard Sandiford <richard@codesourcery.com>
8107 * config/mips/mips.c (mips_legitimize_tls_address): Implement
8108 all TLS models in the same way as local exec if !TARGET_ABICALLS.
8109 Remove stray newline.
8111 2006-10-08 Richard Sandiford <richard@codesourcery.com>
8113 * config/mips/mips.c (mips_classify_symbol): Do not return
8114 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
8115 (mips_in_small_data_p): Tweak comments.
8117 2006-10-08 Richard Sandiford <richard@codesourcery.com>
8119 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
8121 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
8123 * gimplify.c, sched-int.h: Fix comment typos.
8125 * sched-int.h: Fix comment typos.
8127 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8129 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
8131 * sched-ebb.c (begin_schedule_ready): Use them.
8132 * haifa-sched.c (schedule_insn, move_insn, try_ready,
8133 add_to_speculative_block, create_check_block_twin, speculate_insn,
8134 fix_jump_move, move_block_after_check): Ditto.
8135 * sched-rgn.c (new_ready): Ditto.
8137 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8139 PR rtl-optimization/29128
8140 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
8141 * sched-ebb.c (advance_target_bb): Use it to fix condition to
8142 allow interblock movement of speculation checks.
8144 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
8147 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
8148 casted to integer type.
8149 (get_address_cost): Decrease cost of [symbol + index] addressing modes
8150 if they are significantly more expensive than [reg + index] ones.
8152 2006-10-06 Jakub Jelinek <jakub@redhat.com>
8154 PR tree-optimization/29330
8155 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
8156 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
8157 on newly allocated ddrs.
8158 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
8159 to VEC (loop_p, heap) pointer.
8160 (compute_data_dependences_for_loop): Adjust caller.
8161 (free_dependence_relations): Free DDR_LOOP_NEST.
8163 * tree-loop-linear.c (linear_transform_loops): Don't forget to
8164 free DEPENDENCE_RELATIONS and DATAREFS.
8167 * builtins.c (expand_builtin_sync_operation,
8168 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
8169 Use convert_to_mode to handle promoted arguments.
8171 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
8173 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
8175 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
8177 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
8179 2006-10-05 Uros Bizjak <uros@kss-loka.si>
8181 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
8182 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
8183 Use <modeconstraint> instead of "r" as operand 1 constraint.
8185 2006-10-06 Olivier Hainque <hainque@adacore.com>
8187 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
8188 Don't recurse on the pointed-to type.
8189 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
8190 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
8191 types with components of variable size.
8193 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
8195 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
8197 2006-10-06 Jakub Jelinek <jakub@redhat.com>
8199 PR tree-optimization/29290
8200 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
8204 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
8205 * config/i386/predicates.md (local_symbolic_operand): Likewise.
8208 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
8209 the number of vector elements fill the rest with zeros.
8211 2006-10-05 Richard Sandiford <richard@codesourcery.com>
8213 * config/mips/mips.c (mips_pass_by_reference): Do not return false
8214 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
8217 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
8219 * config/bfin/bfin.md (subsi3): Lose expander, change previously
8220 unnamed pattern into subsi3. Use correct constraints/predicates.
8221 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
8222 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
8224 2006-10-05 Ira Rosen <irar@il.ibm.com>
8226 * doc/loop.texi: Add data references analysis description.
8228 2006-10-04 Brooks Moses <bmoses@stanford.edu>
8230 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
8232 2006-10-04 Richard Henderson <rth@redhat.com>
8233 Jakub Jelinek <jakub@redhat.com>
8235 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
8236 * builtin-types.def (BT_WORD): Make unsigned.
8237 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8238 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8239 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8240 * c-decl.c (grokdeclarator): Don't error if !have_tls.
8241 * c-parser.c (c_parser_omp_threadprivate): Likewise.
8242 * cgraph.c (decide_is_variable_needed): Look at force_output.
8243 Recurse for emulated tls.
8244 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
8245 checks redundant with decide_is_variable_needed.
8246 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
8247 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8249 * expr.c (emutls_var_address): New.
8250 (expand_expr_real_1): Expand emulated tls.
8251 (expand_expr_addr_expr_1): Likewise.
8252 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8253 * output.h (emutls_finish): Declare.
8254 * toplev.c (compile_file): Call it.
8255 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8256 address before wrapping in CONST.
8257 * varasm.c (emutls_htab, emutls_object_type): New.
8258 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8259 (get_emutls_object_name, get_emutls_object_type): New.
8260 (get_emutls_init_templ_addr, emutls_decl): New.
8261 (emutls_common_1, emutls_finish): New.
8262 (assemble_variable): When emulating tls, swap decls; generate
8263 constructor for the emutls objects.
8264 (do_assemble_alias): When emulating tls, swap decl and target name.
8265 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8267 * emutls.c: New file.
8268 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8269 tls_object for real tls.
8271 2006-10-04 Zack Weinberg <zackw@panix.com>
8273 Fix bug in constraint-check generator, reported by Rask Ingemann
8275 * genpreds.c (add_constraint): Don't remove anything from the
8277 (write_tm_constrs_h): Detect whether "op" argument is used, and
8278 mark it ARG_UNUSED if it isn't.
8279 (write_insn_const_int_ok_for_constraint): Skip the part of the
8280 expression that would test whether "op" (which is not available
8281 here) is a CONST_INT.
8283 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
8286 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
8288 2006-10-03 Geoffrey Keating <geoffk@apple.com>
8290 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
8291 current Leopard versions.
8292 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
8294 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
8296 * doc/install.texi: Fix typos.
8298 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
8300 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
8301 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
8302 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
8304 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
8306 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
8307 arg to be struct mach_header_64* instead.
8309 2006-10-02 Jakub Jelinek <jakub@redhat.com>
8312 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
8313 side effects after the outer expression's post side effects.
8315 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
8317 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
8318 comments to reflect actual behavior and relationship between
8319 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
8321 * doc/c-tree.texi (Working with declarations): Fix documentation
8322 of FIELD_DECL likewise.
8324 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
8327 * doc/extend.texi: Add used variable attribute description.
8329 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
8332 * c.opt (Woverride-init): New.
8333 * c-opts.c (c_common_post_options): Default warn_override_init to
8335 * c-typeck.c (add_pending_init, output_init_element): Warn for
8336 overriding initializers without side effects.
8337 * doc/invoke.texi (-Woverride-init): Document.
8340 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
8342 PR rtl-optimization/28096
8343 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
8344 assignment has already been used as a destination earlier in the block.
8346 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
8348 * builtins.c (expand_builtin_setjmp): Delete.
8349 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
8350 <BUILT_IN_SETJMP_SETUP>: New case.
8351 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
8352 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
8353 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
8354 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
8355 (BUILT_IN_SETJMP_RECEIVER): Likewise.
8356 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
8357 (lower_function_body): Initialize it to false. If it is set to true
8358 at the end of the processing, emit the setjmp dispatcher.
8359 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
8360 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
8361 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
8362 on the rhs of the assignment.
8363 (lower_builtin_setjmp): New function.
8364 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
8365 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
8366 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
8367 to detect calls that can go to non-local labels. Use specific
8368 helper to create the abnormal edges associated with them.
8369 <MODIFY_EXPR>: Likewise.
8370 (make_abnormal_goto_edges): New function extracted from...
8371 (make_goto_expr_edges): ...here. Call it for computed gotos.
8372 (simple_goto_p): Minor tweak.
8373 (tree_can_make_abnormal_goto): New predicate.
8374 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
8375 (tree_purge_dead_abnormal_call_edges): New function.
8376 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
8377 (tree_purge_dead_abnormal_call_edges): Likewise.
8378 (make_abnormal_goto_edges): Likewise.
8379 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
8380 Purge all dead abnormal edges if the call was in the last statement.
8381 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
8382 (execute_fixup_cfg): If there are non-local labels in the function,
8383 scan the basic blocks and split them at calls that can go to non-local
8384 labels or add missing abnormal call edges. Write down the CFG in the
8386 (pass_fixup_cfg): Remove TODO_dump_func flag.
8387 * unwind-sjlj.c: Poison setjmp.
8388 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
8389 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
8390 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
8391 (DONT_USE_BUILTIN_SETJMP): Document it.
8393 2006-09-28 Geoffrey Keating <geoffk@apple.com>
8396 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
8397 to 1 when __ppc64__ is defined.
8398 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
8400 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
8402 2006-09-28 Steve Ellcey <sje@cup.hp.com>
8404 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
8405 * config/ia64/unwind-hpux.c: Delete.
8407 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
8409 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
8410 on the element before gimplifying it, instead of punting if it is of
8413 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
8415 * doc/loop.texi: New file.
8416 * doc/gccint.texi: Reference loop.texi.
8417 * Makefile.in (loop.texi): Add.
8419 2006-09-27 Geoffrey Keating <geoffk@apple.com>
8421 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
8423 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8424 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8426 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
8428 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
8430 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
8432 * doc/install.texi: Document required versions of GMP and MPFR.
8434 2006-09-27 Paul Brook <paul@codesourcery.com>
8437 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
8439 2006-09-27 Richard Sandiford <richard@codesourcery.com>
8441 * reload1.c (alter_reg): Require the alignment of the stack slot to
8442 be at least reg_max_ref_width bytes.
8443 (scan_paradoxical_subregs): Record the largest width in
8446 2006-09-26 Jakub Jelinek <jakub@redhat.com>
8450 * tree-nested.c (struct nesting_info): Added static_chain_added.
8451 (convert_call_expr): Set static_chain_added when adding static
8452 chain. Handle OMP_PARALLEL and OMP_SECTION.
8454 2006-09-25 Matthias Klose <doko@debian.org>
8456 * doc/invoke.texi: Add missing full stop.
8458 2006-09-25 Richard Henderson <rth@redhat.com>
8460 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
8461 before cgraph_function_flags_ready.
8463 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
8464 Adam Nemet <anemet@caviumnetworks.com>
8466 * tree-ssa-loop-ivopts.c (aff_combination_convert,
8467 determine_common_wider_type): New functions.
8468 (get_computation_aff): Use them to simplify arithmetic between
8469 UBASE and CBASE if they are shortened from the same type.
8471 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
8474 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
8475 -2147483647 - 1 instead of 0x80000000.
8477 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
8479 * flags.h (HONOR_NANS): Fix typo in comment.
8481 2006-09-23 Uros Bizjak <uros@kss-loka.si>
8483 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
8485 2006-09-23 Jakub Jelinek <jakub@redhat.com>
8489 * tree.c (merge_attributes, attribute_list_contained): If both
8490 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
8492 * c-typeck.c (comptypes_internal): Don't consider aggregates
8493 in different TUs as compatible if there one set of attributes is
8494 not a subset of the other type's attributes.
8495 (composite_type): Try harder not to create a new aggregate type.
8497 2006-09-22 Geoffrey Keating <geoffk@apple.com>
8499 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
8500 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
8501 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
8502 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
8503 than replicating condition above.
8504 * config.host (i[34567]86-*-*): Always use driver-i386.o.
8506 * config/darwin.h (LINK_SYSROOT_SPEC): New.
8507 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
8508 the linker by default.
8510 2006-09-22 Mike Stump <mrs@apple.com>
8512 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
8515 2006-09-22 Richard Guenther <rguenther@suse.de>
8518 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
8519 sort of stack variables stable.
8521 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
8524 * explow.c (force_reg): Set REG_POINTER flag according to
8527 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
8529 PR tree-optimization/28888
8530 * tree-if-conv.c (combine_blocks): Rewritten.
8531 * tree-cfg.c (tree_verify_flow_info): Check that edges with
8532 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
8534 2006-09-22 Jakub Jelinek <jakub@redhat.com>
8536 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
8539 2006-09-21 Richard Sandiford <richard@codesourcery.com>
8541 * varasm.c (copy_constant): Fix reversed gcc_assert check.
8543 2006-09-21 Janis Johnson <janis187@us.ibm.com>
8545 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
8547 2006-09-21 Roger Sayle <roger@eyesopen.com>
8550 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
8551 dw_fde_current_label, to be the start of the function, i.e. the same
8552 value as dw_fde_begin.
8554 2006-09-20 Richard Sandiford <richard@codesourcery.com>
8556 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
8557 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
8558 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
8559 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
8560 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
8561 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
8562 (abs<mode>2, neg<mode>2): Likewise.
8563 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
8564 (*mips_abs_ps): New define_insn.
8566 2006-09-20 Josh Conner <jconner@apple.com>
8569 * calls.c (expand_call): Allow reuse of structure return stack
8572 2006-09-20 Paul Brook <paul@codesourcery.com>
8574 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
8577 2006-09-20 Janis Johnson <janis187@us.ibm.com>
8579 * doc/extend.texi (Decimal Float): Update for latest draft TR,
8580 clean up terminology.
8582 2006-09-20 Steve Ellcey <sje@cup.hp.com>
8585 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
8586 with tablejumps in them.
8588 2006-09-20 Jakub Jelinek <jakub@redhat.com>
8591 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
8592 wrap it into TARGET_EXPR.
8594 2006-09-20 Eric Christopher <echristo@apple.com>
8596 * config/i386/i386.c (x86_fisttp): Remove.
8597 * config/i386/i386.h (x86_fisttp): Ditto.
8598 (TARGET_FISTTP): Ditto.
8600 2006-09-19 Eric Christopher <echristo@apple.com>
8602 * doc/tm.texi (OBJC_JBLEN): Describe.
8603 * config/i386/darwin.h (OBJC_JBLEN): Define.
8604 * config/rs6000/darwin.h: Ditto.
8606 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
8608 PR rtl-optimization/21299
8609 * reload1.c (reload): Purge invalid ASMs in the final pass.
8611 2006-09-19 Steve Ellcey <sje@cup.hp.com>
8614 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
8615 pointers as legitimate constants.
8617 2006-09-19 Paul Brook <paul@codesourcery.com>
8620 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
8622 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
8624 PR tree-optimization/28887
8625 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
8626 component parts from the reference.
8627 (gather_memory_references_ref): Record the reference without the
8628 nonaddressable component parts.
8630 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
8633 * c-opts.c (c_common_handle_option): Ignore the -std options
8634 if the input language is assembly.
8636 2006-09-17 Ira Rosen <irar@il.ibm.com>
8639 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
8641 (ptr_ptr_may_alias_p): Likewise.
8642 (record_record_differ_p): New function.
8643 (base_object_differ_p): Call record_record_differ_p.
8645 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8648 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
8649 away for the expr argument.
8651 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8654 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
8655 before using it for dumping after vectorizing loops.
8657 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8658 Jack Howarth <howarth@bromo.med.uc.edu>
8661 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
8662 skip on error_mark_node.
8663 (rs6000_darwin64_record_arg_recurse): Likewise.
8665 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8667 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
8668 * doc/rtl.texi: Remove related documentation.
8670 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
8672 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
8675 2006-09-15 Jim Wilson <wilson@specifix.com>
8677 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
8678 Handle symbol offsets same as they are handled in ia64_expand_move
8681 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
8683 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
8684 Add forgotten parameter to the fprintf call.
8686 2006-09-15 Steve Ellcey <sje@cup.hp.com>
8688 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
8690 2006-09-15 Uros Bizjak <uros@kss-loka.si>
8692 * doc/contrib.texi: Add my entry.
8694 2006-09-15 Nick Clifton <nickc@redhat.com>
8696 * doc/md.texi (Processor pipeline description): Fix typo in
8697 example of how to use the absence_set directive and reword the
8698 description to make it slightly easier to read.
8700 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
8702 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
8703 * loop-doloop.c (doloop_optimize): Use it to limit costs of
8704 expanding the number of iterations.
8705 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8707 * cfgrtl.c (emit_insn_at_entry): New function.
8708 * rtl.h (emit_insn_at_entry): Declare it.
8709 * integrate.c (emit_initial_value_sets): Use it.
8711 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
8713 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
8715 (struct loop_work and related VEC declarations): Delete.
8716 (bfin_dump_loops): Print out new member bad.
8717 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
8718 (bfin_scan_loop): Don't recurse.
8719 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
8720 loops. No longer need to update outer loops if the current one is
8721 found bad. Move some validitiy checks to bfin_discover_loop.
8722 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8723 but changed not to check for nesting. Also changed to use the new bad
8725 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8726 time. Use bitmap based test to discover loop nesting.
8728 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
8730 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8733 2006-09-14 Richard Guenther <rguenther@suse.de>
8734 Kazu Hirata <kazu@codesourcery.com>
8736 PR middle-end/28884.
8737 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8738 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8739 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8740 with TARGET_FUNCTION_VALUE.
8742 2006-09-14 Anatoly Sokolov <aesok@post.ru>
8745 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8747 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
8749 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8752 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
8755 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8758 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8760 * basic_block.h (bb_has_eh_pred): Fix comment.
8762 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8764 * flow.c (calculate_global_regs_live): Invalidate eh registers
8765 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8766 (propagate_block): Handle eh registers as if they were set at basic
8768 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8770 * global.c (global_conflicts): Make eh registers to conflict with
8771 pseudos live at basic block begin.
8772 * basic_block.h (bb_has_eh_pred): New function.
8774 2006-09-13 Richard Sandiford <richard@codesourcery.com>
8776 PR rtl-optimization/28982
8777 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8778 index of a PRE_MODIFY or POST_MODIFY address.
8779 * reload1.c (inc_for_reload): Use find_replacement on the original
8780 base and index registers.
8782 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
8784 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8785 for -Os. Update __m128 alignment requirement.
8787 2006-09-13 Jan Hubicka <jh@suse.cz>
8789 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8791 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
8793 PR rtl-optimization/28243
8794 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8795 the insn to which the note was originally attached.
8797 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
8798 Roger Sayle <roger@eyesopen.com>
8800 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8801 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8802 on platforms that don't use dwarf for debug info.
8804 2006-09-12 Jason Merrill <jason@redhat.com>
8807 * builtins.c (expand_builtin_setjmp_receiver): Clobber
8808 hard_frame_pointer_rtx after using it to update the frame pointer.
8810 2006-09-12 Roger Sayle <roger@eyesopen.com>
8812 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8813 (TARGET_ASM_CLOSE_PAREN): Likewise.
8814 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8815 (TARGET_ASM_CLOSE_PAREN): Likewise.
8817 2006-09-12 Roger Sayle <roger@eyesopen.com>
8820 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8821 frame information for frames larger than 512 Kbytes on Tru64 when
8822 using the native assembler.
8824 2006-09-12 Roger Sayle <roger@eyesopen.com>
8828 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8829 and symbols. Instead use the implementation from cse.c's hash_rtx.
8831 2006-09-12 Jan Hubicka <jh@suse.cz>
8833 PR rtl-optimization/28071
8834 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8835 (vect_transform_loop): Likewise.
8836 * tree-vectorizer.c (new_loop_vec_info): Likewise.
8837 (new_loop_vec_info): Likewise.
8838 (destroy_loop_vec_info): Likewise.
8839 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8840 (create_stmt_ann): Likewise.
8841 (create_tree_ann): Rename to ...
8842 (create_tree_common_ann): ... this one; allocate only the common part
8844 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8845 (get_value_handle): Likewise.
8846 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8847 get_tree_common_ann.
8848 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8849 (vinfo_for_stmt): Use stmt annotations.
8850 * tree-flow.h (tree_ann_common_t): New type.
8851 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8852 (tree_ann, get_tree_ann, create_tree_ann): New.
8853 * tree-flow-inline.h (get_function_ann): Do more type checking.
8854 (stmt_ann): Likewise.
8855 (tree_ann): Rename to ...
8856 (tree_common_ann): ... this one; return ony common_ann
8857 (get_tree_ann): Rename to ...
8858 (tree_common_ann): This one; return only common_ann.
8859 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8862 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8864 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8865 with_cpu by default.
8867 * dwarf2out.c (dwarf_file_data): New.
8868 (enum dw_val_class): Add dw_val_class_file.
8869 (struct dw_val_struct): Add val_file.
8870 (file_table): Change to a hash table.
8871 (file_table_emitted): Delete.
8872 (file_table_last_lookup_index): Delete.
8873 (emitcount): Delete.
8874 (last_emitted_file): New.
8875 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8876 (init_file_table): Delete.
8877 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8878 (AT_addr): Add comment.
8882 (print_die): Handle dw_val_class_file.
8883 (print_dwarf_line_table): Update for new file table structure.
8884 (attr_checksum): Do checksum a filename.
8885 (same_dw_val_p, same_attr_p): Do compare a filename.
8886 (size_of_die): Handle dw_val_class_file.
8887 (value_format): Likewise.
8888 (output_die): Likewise. Also, call maybe_emit_file here.
8889 (struct file_info): Constify filenames. Make file_idx a pointer
8890 to a struct dwarf_file_data.
8891 (struct dir_info): Constify directory names. Remove 'used' field.
8892 (struct file_name_acquire_data): New.
8893 (file_name_acquire): New.
8894 (output_file_names): Modify to handle new file data structures.
8895 (add_src_coords_attributes): Use add_AT_file.
8896 (add_call_src_coords_attributes): Likewise.
8897 (dwarf2out_imported_module_or_decl): Likewise.
8898 (gen_subprogram_die): Modify for new file data structures.
8899 (gen_variable_die): Likewise.
8900 (file_table_eq): New.
8901 (file_table_hash): New.
8902 (file_table_last_lookup): New.
8903 (lookup_filename): Rewrite to handle new file data structures.
8904 (maybe_emit_file): Rewrite to handle new file data structures.
8905 (dwarf2out_source_line): Always call lookup_filename and
8907 (dwarf2out_init): Create file_table here.
8908 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8909 (file_table_relative_p): New.
8910 (dwarf2out_finish): Change detection of relative filenames
8911 to work with new file data structures. Move output_line_info call
8912 after debug_info output.
8914 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8919 * config/i386/i386.c (override_options): Always default to 16
8920 byte stack boundary.
8922 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8925 * var-tracking.c (dump_dataflow_set): Start dumping at
8927 (clobber_variable_part): Kill only the variable part in
8928 registers holding it, leaving other variables alone.
8930 2006-09-11 Josh Triplett <josh@freedesktop.org>
8932 * doc/extend.texi (Other Builtins): Actually use the macro
8933 argument in the documentation example for
8934 __builtin_types_compatible_p.
8936 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8938 PR rtl-optimization/28726
8939 * sched-deps.c (sched_analyze_reg): New function extracted from...
8940 (sched_analyze_1): ...here. Call it to analyze references to
8941 registers. Treat again writes to a stack register as writing to the
8943 (sched_analyze_2): ...and here. Call it to analyze references to
8944 registers. Treat again reads of a stack register as reading the
8947 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8948 David Edelsohn <edelsohn@gnu.org>
8951 * config/rs6000/spe.md (frob_df_di): Remove %H.
8952 (frob_di_df): Remove %H. Change evmergelo to mr.
8953 (frob_di_df_2): Remove %H. Change evldd to two loads.
8955 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8957 * doc/cpp.texi: Fix names of charset options.
8959 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8962 * config/i386/i386.c (override_options): Use 128-bit
8963 stack boundary always for 64bits.
8965 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8967 PR rtl-optimization/28636
8968 * combine.c (force_to_mode): Test for side-effects before
8969 substituting by zero.
8970 (simplify_shift_const): Likewise for zero or other constants.
8972 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8975 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8978 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8981 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8982 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8983 returned by mode_for_size, rather than the mode of src itself,
8984 to choose between 32-bit and 64-bit patterns.
8985 (mips_mem_fits_mode_p): New function.
8986 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8987 that the size of the source matches the size of the destination.
8988 (mov_<store>l, mov_<store>r): Likewise.
8990 2006-09-10 Eric Christopher <echristo@apple.com>
8992 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8995 2006-09-09 Eric Christopher <echristo@apple.com>
8998 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
9001 2006-09-09 Roger Sayle <roger@eyesopen.com>
9002 Nicolas Setton <setton@adacore.com>
9004 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
9006 2006-09-10 Andreas Schwab <schwab@suse.de>
9008 * config/m68k/m68k.md (bungt_rev): New pattern.
9010 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
9011 Dale Johannesen <dalej@apple.com>
9014 * regclass.c (struct reg_pref): Update documentation.
9015 (regclass): Set prefclass to NO_REGS if memory is the best option.
9016 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9018 2006-09-08 Eric Christopher <echristo@apple.com>
9020 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
9021 * config/t-slibgcc-darwin: Support x86_64 multilib.
9022 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
9023 Return 1 for x86_64-darwin.
9024 * config/i386/t-darwin: Add m64 multilib.
9025 (LIB2_SIDITI_CONV_FUNCS): Use.
9026 (LIB2FUNCS_EXTRA): Ditto.
9027 * config/i386/darwin.h: Support x86_64.
9028 * config/i386/i386.c (override_options): Turn on flag_pic
9029 for x86_64-darwin. Disable flag_omit_pointer.
9030 (get_pc_thunk_name): Assert !TARGET_64BIT.
9031 (legitimate_address_p): Disable machopic addressing for
9033 (legitimize_pic_address): Ditto.
9034 (ix86_expand_move): Ditto.
9035 (ix86_expand_call): Ditto.
9036 (machopic_output_stub): Ditto.
9037 * config/darwin.c (machopic_select_section): Support literal16.
9038 (machopic_select_rtx_section): Ditto.
9039 * config/darwin-sections.def: Ditto.
9040 * config/darwin-64.c: New.
9042 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
9045 * c-tree.h (struct c_arg_info): Add pending_sizes.
9046 * c-parser.c (c_parser_parms_declarator,
9047 c_parser_parms_list_declarator): Initialize pending_sizes.
9048 * c-decl.c (get_parm_info): Initialize pending_sizes.
9049 (get_parm_info): Set pending_sizes.
9050 (grokdeclarator): Call put_pending_sizes for parameters for
9051 function definition only.
9053 2006-09-07 Jason Merrill <jason@redhat.com>
9056 * varasm.c (output_constant): Only strip actual no-op conversions.
9059 * config/i386/i386.c (override_options): Use 128-bit
9060 stack boundary if -msse.
9062 2006-09-07 Eric Christopher <echristo@apple.com>
9064 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
9066 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
9069 2006-09-07 Geoffrey Keating <geoffk@apple.com>
9071 * dwarf2out.c: Remove strange characters from comment above
9072 dwarf2out_frame_debug_expr.
9074 2006-09-07 Eric Christopher <echristo@apple.com>
9076 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
9077 * config/darwin.h: ... to here.
9079 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
9081 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
9083 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
9084 (TARGET_PARTIAL_FLAG_REG_STALL): New.
9086 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
9087 TARGET_PARTIAL_FLAG_REG_STALL.
9088 (*ashldi3_cconly_rex64): Likewise.
9089 (*ashlsi3_cmp): Likewise.
9090 (*ashlsi3_cconly): Likewise.
9091 (*ashlsi3_cmp_zext): Likewise.
9092 (*ashlhi3_cmp): Likewise.
9093 (*ashlhi3_cconly): Likewise.
9094 (*ashlqi3_cmp): Likewise.
9095 (*ashlqi3_cconly): Likewise.
9096 (*ashrdi3_cmp_rex64): Likewise.
9097 (*ashrdi3_cconly_rex64): Likewise.
9098 (*ashrsi3_cmp): Likewise.
9099 (*ashrsi3_cconly): Likewise.
9100 (*ashrsi3_cmp_zext): Likewise.
9101 (*ashrhi3_cmp): Likewise.
9102 (*ashrhi3_cconly): Likewise.
9103 (*ashrqi3_cmp): Likewise.
9104 (*ashrqi3_cconly): Likewise.
9105 (*lshrdi3_cmp_rex64): Likewise.
9106 (*lshrdi3_cconly_rex64): Likewise.
9107 (*lshrsi3_cmp): Likewise.
9108 (*lshrsi3_cconly): Likewise.
9109 (*lshrsi3_cmp_zext): Likewise.
9110 (*lshrhi3_cmp): Likewise.
9111 (*lshrhi3_cconly): Likewise.
9112 (*lshrqi2_cmp): Likewise.
9113 (*lshrqi2_cconly): Likewise.
9115 2006-09-07 Uros Bizjak <uros@kss-loka.si>
9118 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
9119 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
9120 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
9121 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
9122 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
9123 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
9124 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
9125 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
9126 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
9127 implement only CC setting effects of shift instructions.
9129 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
9131 * doc/contrib.texi: Add myself.
9133 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
9136 * stor-layout.c (relayout_decl): Don't zero the alignment if it
9137 was set by the user.
9139 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
9142 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
9143 (divsi_inv_m1): Use them.
9144 (UNSPEC_DIV_INV_TABLE): New constant.
9146 2006-09-06 James E Wilson <wilson@specifix.com>
9149 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
9150 then call count_or_remove_death_notes.
9152 2006-09-06 Jason Merrill <jason@redhat.com>
9155 * tree-inline.c (copy_result_decl_to_var): New fn.
9156 (declare_return_variable): Use it. Call declare_inline_vars here.
9157 (expand_call_inline): Not here.
9159 2006-09-06 Diego Novillo <dnovillo@redhat.com>
9161 * doc/contrib.texi: Update my entry.
9163 2006-09-06 Nick Clifton <nickc@redhat.com>
9165 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
9167 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
9170 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
9171 (canonicalize_induction_variables): Likewise.
9172 (tree_unroll_loops_completely): Likewise.
9173 (tree_ssa_prefetch_arrays): Likewise.
9174 (remove_empty_loops): Likewise.
9175 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
9176 TODO_cleanup_cfg instead of directly calling
9177 cleanup_tree_cfg_loop.
9178 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
9180 (tree_unroll_loops_completely): Likewise.
9181 (remove_empty_loops): Likewise.
9182 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
9183 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
9184 of tree_ssa_unswitch_loops.
9185 (tree_ssa_loop_ivcanon): Use the return value of
9186 canonicalize_induction_variables.
9187 (tree_ssa_empty_loop): Use the return value of
9189 (tree_complete_unroll): Use the return value of
9190 tree_unroll_loops_completely.
9191 (tree_ssa_loop_prefetch): Use the return value of
9192 tree_ssa_prefetch_arrays.
9193 * passes.c (execute_todo): Before Cleanup CFG, set
9194 updating_used_alone and after cleanup CFG, call
9195 recalculate_used_alone.
9197 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
9200 * tree-vect-transform.c (vectorizable_condition): Move the check
9201 for the type after the check for simple condition.
9203 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
9204 Kaz Kojima <kkojima@gcc.gnu.org>
9207 * mode-switching.c (optimize_mode_switching): Make the destination
9208 block of an abnormal edge have no anticipatable mode. Don't
9209 insert mode switching code at the end of the source block of
9212 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
9214 PR rtl-optimization/26847
9215 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
9216 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
9217 (simplify_plus_minus): Count n_constants while filling ops. Replace
9218 qsort with insertion sort. Before going through the array to simplify
9219 pairs, sort it. Delay early exit until after the first sort, exiting
9220 only if no swaps occurred. Simplify pairs in reversed order, without
9221 special-casing the first iteration. Pack ops after simplifying pairs.
9223 2006-09-05 Anatoly Sokolov <aesok@post.ru>
9225 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
9226 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9227 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9228 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
9230 2006-09-05 Richard Guenther <rguenther@suse.de>
9232 PR tree-optimization/28900
9233 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
9234 compound conditional before creating COND_EXPR condition.
9236 2006-09-05 Richard Guenther <rguenther@suse.de>
9238 PR tree-optimization/28905
9239 * tree-vrp.c (fix_equivalence_set): Manually implement
9240 !value_ranges_intersect_p to also handle symbolic ranges.
9242 2006-09-05 Richard Guenther <rguenther@suse.de>
9245 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
9248 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
9250 PR rtl-optimization/27616
9251 * cse.c (table_size): New static variable.
9252 (new_basic_block): Initialize it to 0.
9253 (remove_from_table): Decrement it.
9254 (insert): Increment it.
9255 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
9256 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
9257 fold_rtx_mem_1 if under the cap.
9258 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
9259 the lookup of the equivalent expression and test for equality of the
9260 first operand of the equivalent expression before in turn looking up
9261 an equivalent constant for the second operand.
9263 2006-09-02 Geoffrey Keating <geoffk@apple.com>
9266 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9267 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9268 pointer, instead of assuming it is possible to derive the
9269 correct args size from a call insn.
9271 2006-09-02 Jakub Jelinek <jakub@redhat.com>
9274 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
9275 (fold_builtin_mempcpy): Rename to...
9276 (fold_builtin_memory_op): ... this. Optimize one element copy
9278 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
9280 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
9281 (expand_builtin_memcpy, expand_builtin_mempcpy,
9282 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
9283 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
9284 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
9285 BUILT_IN_MEM{CPY,PCPY,MOVE}.
9287 2006-09-01 DJ Delorie <dj@redhat.com>
9289 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
9290 (stzx_16): Likewise.
9291 ("stzx_24_<mode>"): Likewise.
9292 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
9293 ("cmp<mode>_op"): New.
9294 (cmp<mode>): Change to expander; just save operands.
9296 (b<code>): Change to expander, emit compare here.
9297 (s<code>_op): Change to use split and expander.
9298 (s<code>_24_op): Likewise.
9299 (s<code>_<mode>): New.
9300 (s<code>_<mode>_24): New.
9301 (movqicc_<code>_<mode): New.
9302 (movhicc_<code>_<mode>): New.
9305 * config/m32c/m32c.c (compare_op0, compare_op1): New.
9306 (m32c_pend_compare): New.
9307 (m32c_unpend_compare): New.
9308 (m32c_expand_scc): New.
9309 (m32c_expand_movcc): Emit the compare also.
9310 * config/m32c/predicates.md (mra_nopp_operand): New.
9312 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
9313 Richard Guenther <rguenther@suse.de>
9314 Adam Nemet <anemet@caviumnetworks.com>
9317 * builtins.c (get_pointer_alignment): Handle more forms
9318 of base addresses that can be used to derive more precise
9319 information about alignment.
9321 2006-09-01 Jason Merrill <jason@redhat.com>
9324 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
9327 * gimplify.c (voidify_wrapper_expr): Handle null type.
9329 2006-09-01 Josh Conner <jconner@apple.com>
9332 * tree-nrv.c (dest_safe_for_nrv_p): New function.
9333 (execute_return_slot_opt): Use it.
9335 2006-08-31 Josh Conner <jconner@apple.com>
9338 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
9339 returning aggregates.
9341 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
9343 PR tree-optimization/28839
9344 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
9345 blocks in that phi arguments appear.
9347 2006-08-31 Roger Sayle <roger@eyesopen.com>
9350 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
9351 NULL, otherwise use an advance_loc4 to adjust relative to the
9353 (output_cfi) <DW_CFA_set_loc>: Update the current label.
9354 (dwarf2out_switch_text_section): Reset the current label to avoid
9355 using advance_loc4 over section boundaries.
9357 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
9360 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
9361 r12 + SYMBOLIC_CONST.
9363 2006-08-30 Richard Guenther <rguenther@suse.de>
9365 * Makefile.in (see.o): Add $(EXPR_H) dependency.
9367 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
9369 PR rtl-optimization/27735
9370 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
9371 Add new argument to keep track of whether an irreducible region
9372 was affected. All callers changed.
9373 (fix_irreducible_loops): Removed.
9374 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
9375 flags were invalidated.
9377 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
9379 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
9380 instead of SF operands.
9381 (*fop_df_comm_sse): Likewise.
9382 (*fop_df_comm_i387): Likewise.
9383 (*fop_df_1_mixed): Likewise.
9384 (*fop_df_1_sse): Likewise.
9386 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
9387 J"orn Rennecke <joern.rennecke@st.com>
9389 PR tree-optimization/17506
9390 * tree-ssa.c (warn_uninit): If warning about a location outside of
9391 the current function, note where the variable was declared.
9393 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
9395 PR tree-optimization/28411
9396 * double-int.c (double_int_div): Use double_int_divmod.
9397 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
9398 double_int_mod, double_int_smod, double_int_umod): New functions.
9399 * double-int.h (double_int_divmod, double_int_sdivmod,
9400 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
9402 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
9404 (get_computation_aff, get_computation_cost_at): Handle double_int
9405 return type of constant_multiple_of.
9407 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
9410 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
9411 an implicit conversion.
9413 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
9415 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
9417 2006-08-27 Roger Sayle <roger@eyesopen.com>
9419 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
9422 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
9424 * config/i386/crtfastmath.c: Fix a comment typo.
9426 2006-08-26 Roger Sayle <roger@eyesopen.com>
9428 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
9429 temporary visit flags on CASE_LABEL_EXPRs.
9430 * c-common.c (match_case_to_enum): Add function comment. Avoid
9431 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
9432 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
9433 CASE_HIGH_SEEN for enumerated types. If the switch expression is
9434 a constant, only warn if that constant value isn't handled.
9436 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
9439 * input.h (restore_input_file_stack): Declare.
9440 (INPUT_FILE_STACK_BITS): Define.
9441 * toplev.c (fs_p, input_file_stack_history,
9442 input_file_stack_restored, restore_input_file_stack): New.
9443 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
9444 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
9445 (pop_srcloc): Don't free old state of stack.
9447 2006-08-26 David Edelsohn <edelsohn@gnu.org>
9450 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
9451 (PowerPC Type Attributes): New.
9453 2006-08-26 Bob Wilson <bob.wilson@acm.org>
9455 * config/xtensa/xtensa.c (function_arg_boundary): New.
9456 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
9458 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
9459 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
9461 2006-08-26 Jakub Jelinek <jakub@redhat.com>
9464 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
9467 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9469 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
9470 (verify_local_live_at_start): Likewise.
9472 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
9475 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
9476 omp_add_variable): Treat sizes as variable whenever not
9479 2006-08-26 Richard Guenther <rguenther@suse.de>
9482 * fold-const.c (fold_binary): Fold temporary to correct
9483 type before constructing new comparison.
9485 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
9488 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
9489 variable again if DECL_SEEN_IN_BIND_EXPR_P.
9491 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
9494 * c-decl.c (start_function): Don't try to process prototype
9495 information from old declaration that isn't a function.
9497 2006-08-25 Jan Hubicka <jh@suse.cz>
9500 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
9502 2006-08-25 Alan Modra <amodra@bigpond.net.au>
9505 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
9508 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
9510 PR tree-optimization/16876
9511 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
9512 exit if PARM doesn't match VALUE.
9514 2006-08-25 Bob Wilson <bob.wilson@acm.org>
9516 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
9517 literal_prefix directive.
9518 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
9519 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9520 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9522 2006-08-25 David Edelsohn <edelsohn@gnu.org>
9525 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
9526 predicate to general_operand. Add 0->y and I->r alternatives.
9528 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
9530 * doc/tm.texi: Fix a typo.
9531 * predict.c: Fix comment typos.
9533 2006-08-25 Nick Clifton <nickc@redhat.com>
9535 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
9536 assertions of "cpu" and "machine".
9538 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
9541 * tree-ssa-operands.c (access_can_touch_variable): Don't say
9542 the access through a base which has an alias set of 0 cannot
9545 2006-08-24 Bill Wendling <wendling@apple.com>
9547 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
9549 2006-08-24 Jan Hubicka <jh@suse.cz>
9551 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
9553 2006-08-24 Jan Hubicka <jh@suse.cz>
9556 * cgraph.c: Fix comments.
9557 (cgraph_varpool_mark_needed_node): Mark only variables not already
9559 * cgraphunit.c: Update comments; include gt-cgraphunit.h
9560 (cgraph_varpool_assembled_nodes_queue): New static variable.
9561 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
9562 (cgraph_varpool_output_debug_info): New function.
9563 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
9564 * Makefile.in: Add gt-cgraphunit.h
9566 2006-08-24 Jan Hubicka <jh@suse.cz>
9568 * predict.c (probability_reliable_p): New predicate.
9569 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
9570 (predict_loops): Do not predict loop exit with less than 2%
9572 * basic-block.h (edge_probability_reliable_p,
9573 br_prob_note_reliable_p): Declare.
9574 * ia64.h (ia64_print_operand): Do not disable on-chip branch
9575 prediction when static predictor is not reliable.
9576 * rs6000.c (output_cbranch): Likewise.
9578 2006-08-23 Stuart Hastings <stuart@apple.com>
9581 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
9582 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
9584 2006-08-21 Geoffrey Keating <geoffk@apple.com>
9587 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
9588 complex values, nor for generic vector values.
9590 2006-08-22 Richard Guenther <rguenther@suse.de>
9593 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
9594 parameter. Convert arguments to arithmetic expression to the
9596 (analyze_scalar_evolution_1): Adjust caller.
9598 2006-08-22 Jan Hubicka <jh@suse.cz>
9600 Patch by Paolo Bonzini
9601 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
9604 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
9606 PR tree-optimization/28003
9607 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
9608 before grouping aliases.
9610 2006-08-22 Roger Sayle <roger@eyesopen.com>
9612 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
9613 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
9615 2006-08-21 Jason Merrill <jason@redhat.com>
9618 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
9619 wrapper. Loop to handle nested wrappers.
9620 (gimplify_bind_expr): Remove temp parameter.
9621 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
9622 and STATEMENT_LIST on the rhs.
9623 (gimplify_statement_list): Voidify the STATEMENT_LIST.
9624 (gimplify_expr): Pass pre_p to gimplify_statement_list.
9625 (gimplify_target_expr): Remove special BIND_EXPR handling.
9627 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
9629 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
9632 2006-08-21 Olivier Hainque <hainque@adacore.com>
9634 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
9635 Arrange for the temporary captures of components overlapping the lhs
9636 to happen before the lhs is possibly cleared.
9638 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
9640 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
9641 necessary places to pass the correct "number of registers" values
9644 2006-08-20 Jan Hubicka <jh@suse.cz>
9646 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
9647 (create_name_tags): Instead of quadratic checking use hashtable.
9648 * bitmap.h: Include hashtab.h.
9649 (bitmap_hash): Declare.
9650 * bitmap.c (bitmap_hash): New function.
9652 2006-08-20 Jan Hubicka <jh@suse.cz>
9654 PR rtl-optimization/28071
9655 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
9657 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
9658 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
9659 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
9660 cgraph_decide_inlining_incrementally): Update use of
9661 cgraph_check_inline_limits.
9662 * cgraph.c (edge_hash, edge_eq): New function.
9663 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
9664 cgraph_edge_remove_caller, cgraph_node_remove_callees,
9665 cgraph_remove_node): Maintain call site hash.
9666 * cgraph.h (struct cgraph_node): Add call_site_hash.
9667 (cgraph_set_call_stmt): New function.
9669 2006-08-20 Jan Hubicka <jh@suse.cz>
9671 PR rtl-optimization/28071
9672 * reload1.c (reg_has_output_reload): Turn into regset.
9673 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
9674 choose_reload_regs, emit_reload_insns): Update to new
9675 reg_has_output_reload.
9677 2006-08-20 Jan Hubicka <jh@suse.cz>
9680 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
9681 function body sizes.
9682 * cgraphunit.c (cgraph_analyze_function): Don't do so.
9684 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
9687 * tree.c (handle_dll_attribute): Return early if not a
9688 var or function decl.
9690 2006-08-18 Joseph Myers <joseph@codesourcery.com>
9693 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
9694 alignment of SPE vector types.
9696 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
9698 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
9700 2006-08-17 Jakub Jelinek <jakub@redhat.com>
9703 * cgraph.h (struct cgraph_node): Remove externally_visible
9705 * cgraphunit.c (process_function_and_variable_attributes): Set
9706 local.externally_visible rather than externally_visible.
9709 * c-common.c (handle_externally_visible_attribute): First look
9710 at TREE_CODE and only if it is function or var decl, check for
9711 non-public objects. Don't warn for DECL_EXTERNAL.
9712 * cgraphunit.c (process_function_and_variable_attributes): Warn
9713 if externally_visible attribute is used on non-public object.
9715 2006-08-17 Jan Hubicka <jh@suse.cz>
9717 PR tree-optimization/27865
9718 * reload1.c (forget_marked_reloads): New function.
9719 (forget_old_reloads_1): When data are passed, just mark the registers
9721 (reload_as_needed): Use the new mechanizm.
9723 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
9726 * reload.h (reg_equiv_alt_mem_list): New declaration.
9727 * reload1.c (reg_equiv_alt_mem_list): New definition.
9728 (reload): Initialize it and release it.
9729 (delete_output_reload): Use it.
9730 * reload.c (push_reg_equiv_alt_mem): New function.
9731 (find_reloads_toplev): Call it.
9732 (find_reloads_address, find_reloads_address_1): Likewise.
9733 (find_reloads_subreg_address): Likewise.
9735 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9737 PR rtl-optimization/28489
9738 * sched-ebb.c (begin_schedule_ready): Create basic block
9740 (advance_target_bb): Skip empty blocks.
9741 * haifa-sched.c (bb_note): Make global.
9742 * sched-int.h (bb_note): Add prototype.
9744 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9746 PR tree-optimization/27865
9747 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9749 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9750 fold_used_pointer, pointer_used_p): New functions.
9751 (analyze_scalar_evolution_1): Use fold_used_pointer.
9752 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9753 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9756 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
9759 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9760 or the INTEGER_CST. Fail on a CALL_EXPR.
9761 (fold_offsetof): Pass new argument to fold_offsetof_1.
9762 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
9763 operand into an INDIRECT_REF.
9764 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9766 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9768 PR gcov/profile/26570
9769 * value-prof.c (static_values): Removed.
9770 (tree_find_values_to_profile): Do not set static_values.
9771 (find_values_to_profile): Do not free static_values.
9772 * profile.c (instrument_values): Do not free the values.
9773 (branch_prob): Free the values.
9775 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
9777 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9779 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
9782 * c-typeck.c (build_component_ref): Combine qualifiers of
9783 structure or union and field.
9785 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9787 PR rtl-optimization/28071
9788 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9789 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9790 * tree-into-ssa.c (struct dom_dfsnum): New.
9791 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9793 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9794 compute_global_livein.
9795 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9796 in phi nodes in the correct blocks.
9798 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9800 PR tree-optimization/28364
9801 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9803 (fold_affine_expr): New function.
9804 (may_eliminate_iv): Use fold_affine_expr.
9806 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9809 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9812 2006-08-16 Mike Stump <mrs@apple.com>
9814 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9815 * doc/cppopts.texi (-MD): Likewise.
9817 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
9820 * c-common.c (handle_weak_attribute): Ignore and warn if
9821 not a FUNCTION_ or VAR_DECL.
9823 2006-07-15 Mike Stump <mrs@apple.com>
9826 * c-parser.c (c_parser_typeof_specifier): Don't use
9827 c_finish_expr_stmt, open code desired semantics instead.
9829 2006-08-15 Nick Clifton <nickc@redhat.com>
9831 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9832 fragment to tmake_file only if threads are enabled.
9833 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9834 * config/i386/t-gthr-win32: New file. ... here.
9836 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9839 * c-parser.c (c_parser_compound_statement_nostart): Reset
9840 parser->error after each statement.
9842 2006-08-15 Jakub Jelinek <jakub@redhat.com>
9845 * omp-low.c (lower_omp_parallel): Convert t to
9846 receiver_decl's type.
9847 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9848 source before comparison.
9851 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9852 to itype in assignment to oldival2.
9854 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9858 * c-typeck.c (build_compound_expr): If the second expression
9859 is an error mark, then just return an error mark instead of
9860 creating a COMPOUND_EXPR.
9862 2006-07-14 Mike Stump <mrs@apple.com>
9864 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9866 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9868 * c-decl.c, var-tracking.c: Fix comment typos.
9870 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9872 PR rtl-optimization/28634
9873 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9874 for floating-point modes unless flag_unsafe_math_optimizations.
9876 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9877 Andrew Pinski <pinskia@physics.uc.edu>
9880 * tree.c (build_array_type): Unify array types with
9881 unspecified index_type.
9882 * c-decl.c (grokdeclarator): Make sure we do not modify a
9883 unified incomplete array type.
9884 * c-typeck.c (store_init_value): Create distinct type before
9885 filling in the index type in an initializer from a compound
9888 * c-decl.c (grokdeclarator): Remove code where we copy the
9891 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9893 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9894 into account for TODO_dump_cgraph.
9895 (TODO_update_ssa_no_phi): Likewise.
9896 (TODO_update_ssa_full_phi): Likewise.
9897 (TODO_update_ssa_only_virtuals): Likewise.
9898 (TODO_remove_unused_locals): Likewise.
9899 (TODO_set_props): Likewise.
9900 (TODO_update_stmt_usage): Likewise.
9902 2006-08-13 Dirk Mueller <dmueller@suse.de>
9904 * c-common.c (strict_aliasing_warning): Fix formatting.
9906 2006-08-13 Matthias Klose <doko@debian.org>
9908 * doc/invoke.texi: Fix spelling errors.
9910 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9912 PR rtl-optimization/23454
9913 * reorg.c (relax_delay_slots): Update comment.
9915 2006-08-11 Richard Guenther <rguenther@suse.de>
9918 * simplify-rtx.c (simplify_const_relational_operation):
9919 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9922 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9924 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9925 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9927 2006-08-10 Paul Brook <paul@codesourcery.com>
9929 * final.c (final_scan_insn): Clear current_insn_predicate before
9930 outputting inline asm.
9932 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9934 PR tree-optimization/26197
9935 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9936 get_ref_base_and_extent and overlap_subvar to add only relevant
9937 subvars as may-aliases.
9938 (add_may_alias_for_new_tag): New function, factored out of
9940 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9941 with additional argument.
9942 * tree-flow.h (new_type_alias): Takes additional argument.
9944 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9946 * gcov.c (no_data_file): New flag.
9947 (read_count_file): Set it if data file not present. Assume counts
9949 (output_lines): Don't name the data file, if there wasn't one.
9951 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9953 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9954 (rs6000_generate_compare): Tweak comments.
9955 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9957 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9959 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9960 (var_debug_decl): New function.
9961 (var_reg_set): Follow debug decl link. Add location even if
9962 reg is already known to hold some other variable.
9963 (var_mem_set): Follow debug decl link.
9964 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9965 decl link. Delete other known locations of the variable part
9967 (var_reg_delete, var_mem_delete): Delete other known locations
9968 of the variable part if requested.
9969 (same_variable_part_p): New function.
9970 (add_stores): Select MO_COPY when appropriate.
9971 (vt_initialize): Handle it.
9972 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9973 known locations for MO_SET and MO_CLOBBER.
9974 (find_variable_location_part): New function.
9975 (set_variable_part, delete_variable_part): Use it.
9976 (clobber_variable_part): New function.
9977 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9980 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9982 PR tree-optimization/26969
9983 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9984 with an empty list of PHIs.
9986 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9990 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9993 2006-08-06 Andreas Schwab <schwab@suse.de>
9995 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9996 string. Whitespace and comment fixup.
9998 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10001 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
10005 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
10008 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
10010 2006-08-04 Jan Hubicka <jh@suse.cz>
10014 * reload.c (push_reload): Patch out the mismatching instruction;
10016 (find_reload): Bail out if the instruction was patched out.
10018 2006-08-04 Jan Hubicka <jh@suse.cz>
10020 PR tree-optimization/24888
10021 * tree-inline.c (expand_call_inline): Do not re-record variables.
10022 (declare_inline_vars): Add variable to unexpanded_var_list.
10024 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10025 Roger Sayle <roger@eyesopen.com>
10027 PR rtl-optimization/26244
10028 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
10029 inner_const are negative or greater than or equal to the bitsize of
10030 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
10031 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
10032 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
10033 CONST0_RTX (mode) when the new shift count is greater than or equal to
10034 to the bitsize of the object being shifted and XEXP (y, 0) has no side
10037 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
10039 * tree-cfg.c: Fix a comment typo.
10041 2006-08-03 Mark Mitchell <mark@codesourcery.com>
10044 * varasm.c (output_constant): Give the front end another chance to
10045 expand constants, after stripping NOPs.
10047 2006-08-03 Jan Hubicka <jh@suse.cz>
10049 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
10052 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
10054 PR tree-optimization/27770
10055 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
10056 declaration removed (moved to tree-flow.h).
10057 (vect_can_force_dr_alignment_p): Likewise.
10058 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
10059 (moved from tree-vectorizer.h).
10060 (vect_can_force_dr_alignment_p): Likewise.
10061 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
10062 from outside the vectorizer - in particular from cgraph stage.
10063 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
10064 the alignment of global arrays when -fsection-anchors is enabled.
10065 * cgraphunit.c (cgraph_increase_alignment): New function.
10066 (cgraph_optimize): Call cgraph_increase_alignment.
10068 2006-08-03 David Edelsohn <edelsohn@gnu.org>
10071 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
10072 not reload a SPE symbol_ref into a lo_sum address.
10074 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
10077 * dwarf2out.c (prune_unused_types_prune): Move call to
10078 prune_unused_types_update_strings to cover the parent DIE also.
10080 2006-08-02 Jan Hubicka <jh@suse.cz>
10082 PR gcov/profile/28480
10083 * tree-cfg.c (change_bb_for_stmt): New function.
10084 (tree_merge_blocks, tree_split_blocks): Use it.
10086 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10092 * toplev.c (compile_file): Return early on errorcount or sorrycount.
10093 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
10094 (cgraph_optimize): Likewise.
10096 2006-08-01 Stuart Hastings <stuart@apple.com>
10098 * rtl.h (UINTVAL) New.
10099 * config/rs6000/rs6000.c (SMALL_INT) Use it.
10100 * testsuite/gcc.dg/20060801-1.c: New.
10102 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
10105 * c-typeck.c (build_external_type): Mark used enum types.
10106 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
10108 (gen_subprogram_die): Whitespace fix.
10110 2006-08-01 Jan Hubicka <jh@suse.cz>
10112 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
10113 bitmap when not needed.
10114 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
10117 2006-08-01 Dirk Mueller <dmueller@suse.de>
10119 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
10121 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10123 * Makefile.in: Revert part of previous patch:
10124 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
10127 2006-07-30 Eric Christopher <echristo@apple.com>
10130 * doc/extend.texi (i386 Variable Attributes): Add anchor.
10131 (PowerPC Variable Attributes): New section.
10133 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
10135 PR target/28126 (partial fix)
10136 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
10138 2006-07-28 Jan Hubicka <jh@suse.cz>
10140 PR rtl-optimization/28071
10141 * cfgrtl.c (rtl_delete_block): Free regsets.
10142 * flow.c (allocate_bb_life_data): Re-use regsets if available.
10144 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10146 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
10147 and variables used in dependencies.
10149 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
10151 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
10152 %fs for -mcmodel=kernel.
10153 (stack_tls_protect_test_di): Likewise.
10155 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
10157 * Makefile.in: Use mkinstalldirs.
10159 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
10162 * opts-common.c (prune_options): Skip joined switches.
10164 2006-07-27 Jan Hubicka <jh@suse.cz>
10166 PR rtl-optimization/28071
10167 * cselib.c (cselib_process_insn): Don't remove useless values too
10168 often for very large hashtables.
10170 2006-07-27 Jan Hubicka <jh@suse.cz>
10172 PR rtl-optimization/28071
10173 * global.c (greg_obstack): New obstack.
10174 (allocate_bb_info): Use it.
10175 (free_bb_info): Likewise.
10176 (modify_reg_pav): Likewise.
10178 2006-07-27 Roger Sayle <roger@eyesopen.com>
10180 * builtins.c (fold_fixed_mathfn): When long and long long are the
10181 same size, canonicalize llceil*, llfloor*, llround* and llrint*
10182 functions to their lceil*, lfloor*, lround* and lrint* forms.
10184 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10187 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
10189 (rev_branch_insn): Likewise.
10191 2006-07-27 Jan Hubicka <jh@suse.cz>
10193 PR rtl-optimization/28071
10194 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
10195 (reg_set_in_bb, max_reg_computed): New static variables.
10196 (regmove_optimize): Free the new array.
10197 (fixup_match_1): Update call of reg_is_remote_constant_p.
10199 2006-07-26 Jan Hubicka <jh@suse.cz>
10201 PR tree-optimization/27882
10202 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
10204 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
10206 (cgraph_analyze_compilation_unit): Likewise.
10207 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
10208 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
10209 (cgraph_early_inlinine): Make order garbage collected.
10210 * Makefile.in (gt-ipa-inline): New garbagecollected file.
10212 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
10214 * dbxout.c (output_types_sort): Add a comment.
10215 (output_used_types): Free the VEC.
10217 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
10219 * function.c (reorder_fix_fragments): Delete.
10220 (reorder_blocks): Don't call it.
10221 (reorder_blocks_1): Put all subblocks under the origin block.
10223 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
10225 PR rtl-optimization/27907
10226 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
10229 2006-07-25 Roger Sayle <roger@eyesopen.com>
10231 PR middle-end/28473
10232 * convert.c (convert_to_integer): When transforming (T)foo(x) into
10233 bar(x) check that bar's result type can represent all the values of T.
10235 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
10237 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
10239 2006-07-25 Nick Clifton <nickc@redhat.com>
10241 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
10242 size_lookup[] array.
10243 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
10244 (ggc_pch_count_object): Likewise.
10245 (ggc_pch_alloc_object): Likewise.
10246 (ggc_pch_write_object): Likewise.
10247 (init_ggc): Do not attempt to initialize entries in the
10248 size_lookup[] array for objects whose size is greater than than
10249 the length of the array.
10251 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
10253 * dbxout.c (output_used_types_helper): Push queued types
10255 (output_types_sort): New.
10256 (output_used_types): Collect used types on a VEC and sort them
10259 2006-07-24 Richard Guenther <rguenther@suse.de>
10261 PR middle-end/28463
10262 * cgraph.c (cgraph_remove_node): Do not check if dumps
10264 * cgraphunit.c (cgraph_optimize): Likewise.
10266 2006-07-24 Jan Hubicka <jh@suse.cz>
10268 PR rtl-optimization/28071
10269 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
10270 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
10271 splitting before first stmt.
10273 2006-07-24 Jan Hubicka <jh@suse.cz>
10275 PR rtl-optimization/28071
10276 * ipa-inline.c (update_caller_keys): Remove edges that
10277 are no longer inline candidates.
10279 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
10282 * dbxout.c (output_used_types_helper, output_used_types): New.
10283 (dbxout_symbol): Call output_used_types.
10285 2006-07-23 Jan Hubicka <jh@suse.cz>
10289 * cgraph.c (cgraph_varpool_nodes): Export.
10290 (decide_is_variable_needed): Ignored "used" attribute in
10291 unit-at-a-time mode.
10292 * cgraph.h (cgraph_varpool_nodes): Declare.
10293 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
10294 unit-at-a-time mode.
10296 2006-07-23 Roger Sayle <roger@eyesopen.com>
10299 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
10300 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
10301 the __gthrw form of thr_keycreate.
10302 (__gthread_key_delete): Silence the unused argument warning.
10304 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
10307 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
10308 Cache the last found '\0' marker to avoid quadratic behavior.
10310 2006-07-23 Jan Hubicka <jh@suse.cz>
10312 * i386.md (subsi_3_zext): Fix output template.
10314 2006-07-21 Mike Stump <mrs@apple.com>
10316 * doc/invoke.texi (C++ Dialect Options): Note that
10317 -fvisibility-inlines-hidden doesn't affect explicitly
10318 instantiationed inline methods.
10320 2006-07-20 Roger Sayle <roger@eyesopen.com>
10322 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
10323 if the target assembler is GNU binutils' gas.
10324 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
10325 whether to pass GNU gas or native as command line options.
10327 2006-07-20 Jason Merrill <jason@redhat.com>
10329 * tree.c (remove_attribute): New fn.
10330 * tree.h: Declare it.
10332 2006-07-20 Paul Brook <paul@codesourcery.com>
10335 * cse.c (cse_insn): Add destination addresses to hash table. Check if
10336 they are invalidated by this instruction.
10338 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
10341 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
10343 2006-07-20 Eric Christopher <echristo@apple.com>
10346 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
10348 2006-07-19 Eric Christopher <echristo@apple.com>
10350 * config/t-slibgcc-darwin (stmp-lipo): Remove.
10351 Rewrite dependencies for libgcc_s.1.dylib.
10353 2006-07-19 Jakub Jelinek <jakub@redhat.com>
10355 * except.c (duplicate_eh_regions_1): Clear next_peer.
10357 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
10359 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
10360 -mlongcall does not guarantee all calls will be long.
10361 * doc/extend.texi (long_call/short_call): Document that longcall
10362 does not guarantee a long call will be used.
10363 (longcall/shortcall): Likewise.
10365 2006-07-18 Roger Sayle <roger@eyesopen.com>
10367 PR middle-end/28283
10368 * expmed.c (expand_shift): Additionally check that the shift_cost
10369 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
10370 before implementing a LSHIFT_EXPR as a sequence of additions.
10371 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
10372 middle-end that DImode shifts need to be synthesized by expand.
10374 2006-07-18 Diego Novillo <dnovillo@redhat.com>
10377 * tree-ssa-operands.c (access_can_touch_variable): Update
10379 Return true if ALIAS is .GLOBAL_VAR.
10381 2006-07-18 David Daney <ddaney@avtrex.com>
10383 * gcc.c (display_help): Fix typo in help text.
10385 2006-07-18 Olivier Hainque <hainque@adacore.com>
10387 * tree.h (categorize_ctor_elements): Adjust prototype and add
10388 descriptive comment, both in accordance with the interface change
10390 * varasm.c (constructor_static_from_elts_p): New function.
10391 Whether a constructor node is a valid static constant initializer
10392 if all its elements are.
10393 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
10394 * output.h: Declare it.
10395 * expr.c (categorize_ctor_elements_1): Return whether the constructor
10396 is a valid constant initializer instead of computing the number of
10397 non-constant elements. Use constructor_static_from_elts_p for this
10398 purpose. Replace the head comment with an indication that this is a
10399 helper for categorize_ctor_elements.
10400 (categorize_ctor_elements): Same interface change as for the _1
10401 helper. Former head comment from this helper moved here, adjusted to
10402 account for the interface changes.
10403 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
10404 (all_zeros_p): Likewise.
10405 * gimplify.c (gimplify_init_constructor): Decide whether we can make
10406 static versions of the constructor from the categorize_ctor_elements
10407 return value instead of the formerly computed number of non-constant
10410 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
10412 * configure: Regenerate.
10413 * Makefile.in (build_libsubdir): New configure substitution
10414 (build_libobjdir): New variable.
10415 (BUILD_LIBIBERTY): Use it.
10417 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10420 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
10422 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
10425 * c-common.c (handle_weakref_attribute): Ignore attribute in
10426 the same conditions the alias attribute is ignored.
10428 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
10430 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
10431 (dbxout_begin_prologue): Increment scope_labelno.
10433 2006-07-17 Richard Henderson <rth@redhat.com>
10436 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
10439 2006-07-17 Roger Sayle <roger@eyesopen.com>
10440 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10442 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
10443 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
10444 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
10445 functions such as sbrk, write, etc.. Add function prototypes.
10446 Convert function declarations from K&R to ISO C. Cast pointers
10447 to "long" and "unsigned long" instead of "int" and "unsigned int".
10448 Convert tokens following #endif into comments.
10450 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
10452 * invoke.texi: Remove mention of f77; Reformat table for
10453 inline parameter options correctly; mention that -malign-double
10454 is default on x86-64 targets.
10456 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
10458 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
10459 (convert_affine_scev, chrec_convert_aggressive): Use
10460 avoid_arithmetics_in_type_p. Do not check for the subtypes
10463 2006-07-17 Richard Sandiford <richard@codesourcery.com>
10465 PR middle-end/28403
10466 * optabs.c (expand_doubleword_shift): Wrap the call to
10467 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
10469 2006-07-17 Richard Sandiford <richard@codesourcery.com>
10471 PR middle-end/28402
10472 * optabs.c (expand_binop): Pass next_methods rather than methods
10473 to expand_doubleword_shift.
10475 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
10478 * tree.h (dump_addr): Declare.
10479 * print-tree.c (dump_addr): New function.
10480 (print_node_brief, print_node): Use it.
10481 * print-rtl.c (print_rtx): Likewise.
10482 * common.opt (-fdump-noaddr): New option.
10483 * doc/invoke.texi (-fdump-noaddr): Document.
10484 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
10485 (ve_info_hash): Likewise.
10487 2006-07-13 Andrew Haley <aph@redhat.com>
10489 PR tree-optimization/19505
10490 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
10491 edge leaving this block, make sure that the destination of this
10492 block has only one predecessor.
10494 2006-07-17 Richard Guenther <rguenther@suse.de>
10496 PR tree-optimization/28238
10497 * tree-inline.c (copy_bb): Check if we produced valid
10498 gimple copying and substituting a stmt. If not, gimplify
10501 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
10503 * optabs.c (maybe_encapsulate_block): New function extracted from...
10504 (emit_libcall_block): ...here. Invoke it on the block of insns to
10505 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
10506 (emit_no_conflict_block): Likewise.
10508 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10510 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
10512 2006-07-15 Roger Sayle <roger@eyesopen.com>
10514 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
10515 a new NOP_EXPR case of the switch statement.
10517 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
10519 PR middle-end/28160
10520 * stor-layout.c (place_field): Take the bit field with
10521 an excessive size into account in the ms-bitfiled case.
10523 PR middle-end/28161
10524 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
10525 the previous bit field.
10527 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
10530 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
10532 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10534 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
10535 signal frames correctly even when the signal was installed with
10538 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
10540 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
10541 (dbxout_function_end): Use local label LFBB. Remove hook
10543 (dbxout_source_line): Use local label LFBB.
10544 (dbxout_block): Likewise.
10545 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
10546 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
10547 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
10548 and DBX_OUTPUT_NFUN.
10550 2006-07-13 Janis Johnson <janis187@us.ibm.com>
10552 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
10554 2006-07-13 Jan Hubicka <jh@suse.cz>
10556 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
10558 * output.h (align_variable): Declare.
10559 * varasm.c (align_variable): Export.
10560 * value-prof.c (tree_value_profile_transformations): Recompute iterator
10561 when basic block changed.
10563 2006-07-13 Nick Clifton <nickc@redhat.com>
10565 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
10566 walking the LOG_LINKS chain.
10568 2006-07-12 Geoffrey Keating <geoffk@apple.com>
10570 * doc/invoke.texi (C++ Dialect Options): Explain difference
10571 between -fvisibility-inlines-hidden and setting hidden
10572 visibility explicitly.
10574 2006-07-12 Eric Christopher <echristo@apple.com>
10576 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
10577 (stmp-lipo): Depend on libgcc.a.
10579 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
10581 * tree.c: Fix a comment typo.
10583 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
10585 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
10587 (umulhisi3_r): Likewise.
10589 2006-07-12 Paolo Carlini <pcarlini@suse.de>
10592 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
10593 x < 19, vs wchar_t support.
10595 2006-07-12 Nick Clifton <nickc@redhat.com>
10597 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
10598 instead of -isa=sh4.
10600 2006-07-12 Mike Stump <mrs@apple.com>
10602 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
10604 2006-07-10 Eric Christopher <echristo@apple.com>
10606 * config/t-slibgcc-darwin: Rewrite.
10608 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
10611 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
10614 2006-07-08 Matthias Klose <doko@debian.org>
10616 * doc/sourcebuild.texi: Fix typo.
10618 2006-07-07 Mike Stump <mrs@apple.com>
10620 * toplev.c (process_options): Don't give -ffunction-sections may
10621 affect debugging warning for Mach-O.
10623 2006-07-07 James E Wilson <wilson@specifix.com>
10625 * config/mips/mips.md (cpu): Add sb1a.
10626 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
10627 addition to sb1. Adjust comments to clarify SB-1A differences from
10629 (ir_sb1a_load): New. Modify bypasses to use it.
10630 (ir_sb1a_simple_alu): Likewise.
10631 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
10632 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
10633 (mips_issue_rate): Add PROCESSOR_SB1A.
10634 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
10635 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
10636 (TARGET_SB1): Add PROCESSOR_SB1A check.
10637 (TUNE_SB1): Likewise.
10639 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
10640 * config/mips/mips.c (mips_store_data_bypass_p): New.
10641 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
10642 store_data_bypass_p.
10644 2006-07-08 Paul Brook <paul@codesourcery.com>
10647 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
10649 2006-07-07 Richard Guenther <rguenther@suse.de>
10651 PR middle-end/28268
10652 * tree.h (build_one_cst): Declare.
10653 * tree.c (build_one_cst): New function.
10654 * tree-ssa-math-opts.c (get_constant_one): Remove.
10655 (insert_reciprocals): Use build_one_cst.
10656 * fold-const.c (fold_plusminus_mult): Likewise.
10658 2006-07-07 Roger Sayle <roger@eyesopen.com>
10660 * pointer-set.c (pointer_set_destroy): Correct whitespace.
10661 * cfgloopanal.c (dump_graph): Likewise.
10662 * dojump.c (discard_pending_stack_adjust): Likewise.
10663 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
10665 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
10666 * function.c (finalize_block_changes): Likewise.
10667 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
10668 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
10669 * rtl.c (dump_rtx_statistics): Likewise.
10670 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
10672 * varray.c (dump_varray_statistics): Likewise.
10673 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
10674 decode_decimal64, encode_decimal128, decode_decimal128,
10675 decimal_real_to_decimal): Likewise.
10677 2006-07-07 Richard Guenther <rguenther@suse.de>
10679 PR tree-optimization/28187
10680 * tree-vrp.c (vrp_operand_equal_p): New function.
10681 (vrp_bitmap_equal_p): Likewise.
10682 (update_value_range): Use them to compare old and new
10683 max and min values.
10685 2006-07-06 Roger Sayle <roger@eyesopen.com>
10687 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
10688 a default case to switch statement to silence compiler warnings.
10690 2006-07-06 Roger Sayle <roger@eyesopen.com>
10693 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10694 the configured assembler supports the x87's ffreep mnemonic.
10695 * configure: Regenerate.
10696 * config.in: Regenerate.
10698 * config/i386/i386.c (output_387_ffreep): New function.
10699 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
10700 (output_387_reg_move): Likewise.
10702 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
10704 Port to hosts whose 'sort' and 'tail' implementations
10705 treat operands with leading '+' as file names, as POSIX
10706 has required since 2001. However, make sure the code still
10707 works on pre-POSIX hosts.
10708 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
10709 which says you should use "tail -c +N" rather than "tail +Nc".
10710 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
10712 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
10714 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
10717 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10720 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
10721 PRE_{INC,DEC} of TFmode.
10723 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10724 Alan Modra <amodra@bigpond.net.au>
10727 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10730 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10733 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10734 Remove duplicate gtu.
10736 2006-07-05 Jason Merrill <jason@redhat.com>
10740 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10741 * c-common.c (handle_packed_attribute): So don't copy it here.
10742 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10744 2006-07-05 Mike Stump <mrs@apple.com>
10746 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
10748 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
10751 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10753 2006-07-05 Richard Guenther <rguenther@suse.de>
10756 * config/i386/i386.md (*negdf2_1): Restrict pattern to
10757 TARGET_SSE2 targets if using SSE math.
10758 (*absdf2_1): Likewise.
10760 2006-07-05 Richard Guenther <rguenther@suse.de>
10762 PR tree-optimization/28162
10763 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10764 make sure to convert the operands to the correct type.
10766 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
10768 PR tree-optimization/28218
10770 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10771 to calculate and free the dominator information.
10773 2006-07-04 Peter O'Gorman <peter@pogma.com>
10775 * mklibgcc.in: chmod 644 before ranlib during install.
10777 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
10778 J"orn Rennecke <joern.rennecke@st.com>
10780 * configure.ac (.eh_frame data check): Use diff -b.
10782 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
10785 * Makefile.in (BUILD_RTL): Add build/vec.o.
10786 (build/gencondmd.o): Filter out -fkeep-inline-functions.
10787 (build/genextract): Delete.
10788 (build/genautomata): Likewise.
10790 2006-07-04 Alan Modra <amodra@bigpond.net.au>
10793 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10794 128-bit IBM long doubles for ABI_V4.
10796 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
10798 * tree.c (range_in_array_bounds_p): New predicate.
10799 * tree.h (range_in_array_bounds_p): Declare it.
10800 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10801 return a less conservative answer.
10802 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10803 and flag 'is_group'.
10804 (IS_ELEMENT_FOR_GROUP): New macro.
10805 (FOR_EACH_ACTUAL_CHILD): Likewise.
10806 (next_child_for_group): New helper function.
10807 (can_completely_scalarize_p): Take into account groups.
10808 (sra_hash_tree): Handle RANGE_EXPR.
10809 (sra_elt_eq): Likewise.
10810 (lookup_element): Be prepared for handling groups.
10811 (is_valid_const_index): Delete.
10812 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10813 instead of is_valid_const_index.
10814 <ARRAY_RANGE_REF>: New case.
10815 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10816 is_valid_const_index.
10817 <ARRAY_RANGE_REF>: Do not unconditionally punt.
10818 (scan_dump): Dump info for groups too.
10819 (decide_instantiation_1): Likewise.
10820 (decide_block_copy): Assert that the element is not a group.
10821 Propagate decision to groups.
10822 (generate_one_element_ref): Handle RANGE_EXPR.
10823 (mark_no_warning): Iterate over actual childs.
10824 (generate_copy_inout): Likewise.
10825 (generate_element_copy): Likewise.
10826 (generate_element_zero): Likewise.
10827 (generate_element_init_1): Likewise.
10828 (dump_sra_elt_name): Handle RANGE_EXPR.
10830 2006-07-03 Roger Sayle <roger@eyesopen.com>
10832 PR tree-optimization/26251
10833 * tree-ssa-threadupdate.c (redirection_block_p): New function.
10834 (thread_block): When optimizing for size refuse to thread jumps
10835 that would require duplication of blocks other than redirection
10838 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10840 * configure.ac: Fix thinko in previous check-in.
10841 * configure: Regenerate.
10843 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10846 * configure.ac (for lang...): Simplify nesting of conditionals.
10847 Test subdir_requires for non-enabled languages. Move processing
10848 of lang_opt_files and lang_tree_fiels below that test.
10849 * configure: Regenerate.
10850 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10852 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10854 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10856 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10858 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10861 2006-06-29 Jason Merrill <jason@redhat.com>
10868 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10869 * c-common.c (c_determine_visibility): Handle it here.
10870 * c-decl.c (finish_decl): Call c_determine_visibility for
10872 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10873 * tree.h: Likewise.
10874 * varasm.c (default_assemble_visibility): Likewise.
10875 * c-common.c (handle_visibility_attribute): Complain about trying
10876 to give visibility to an already defined class, or trying to change
10877 declared visibility. Always attach the attribute.
10882 * attribs.c (decl_attributes): Ignore type-in-place attributes
10883 once the type has been defined.
10885 2006-06-29 Roger Sayle <roger@eyesopen.com>
10887 PR middle-end/27428
10888 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10889 to indicate the cpplib has issued an error message for us.
10891 2006-06-29 Asher Langton <langton2@llnl.gov>
10894 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10895 insert a label at the end of an function under Mach-O.
10897 2006-06-29 Eric Christopher <echristo@apple.com>
10898 Evan Cheng <evan.cheng@apple.com>
10900 * predicates.md (vector_all_ones_operand): New.
10901 (nonimmediate_or_sse_const_operand): Ditto.
10902 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10903 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10904 (standard_sse_mode_p): Ditto.
10905 (standard_sse_constant_p): Add case for -1 vector.
10906 (ix86_expand_vector_move): Try to use.
10907 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10908 Call standard_sse_constant_opcode.
10909 (*movv4sf_internal): Ditto.
10910 (*movv2df_internal): Ditto.
10912 2006-06-29 Roger Sayle <roger@eyesopen.com>
10914 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10915 of XEXP to extract the operands of a MATCH_CODE rtx.
10917 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10919 * tree.c (tree_size): Do not waste tail padding in
10920 struct tree_string and make the size be the same as
10921 build_string will generate.
10923 2006-06-28 Jason Merrill <jason@redhat.com>
10926 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10927 may_aliases already in the tag's annotations to the bitmap.
10929 2006-06-28 Roger Sayle <roger@eyesopen.com>
10931 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10933 2006-06-28 Roger Sayle <roger@eyesopen.com>
10935 * genpreds.c (generate_switch_p): New function.
10936 (add_mode_tests): Push the new mode test down inside an AND expr
10937 if this allows the switch-suitable MATCH_CODE to be near the root.
10938 (write_match_code_switch): New function to write a MATCH_CODE as
10939 a switch statement.
10940 (write_predicate_stmts): New function to write a predicate RTX
10941 expression as a sequence of statements.
10942 (write_one_predicate_function): Use write_predicate_stmts.
10943 (write_tm_constrs_h): Likewise.
10945 2006-06-26 Fred Fish <fnf@specifix.com>
10947 * config/mips/t-sb1: New file.
10948 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10951 2006-06-26 DJ Delorie <dj@redhat.com>
10953 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10955 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10956 Jayant Sonar <jayants@kpitcummins.com>
10957 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10959 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10960 (subsi3, subsi3_1, subsi3_2): New.
10961 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10962 * config/m32c/mov.md (SI mov peephole): New.
10963 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10964 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10966 2006-06-26 Olivier Hainque <hainque@adacore.com>
10968 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10969 a CALL_EXPR target function declaration.
10971 2006-06-26 Richard Guenther <rguenther@suse.de>
10973 * tree.c (build_string): Do not waste tail padding in
10974 struct tree_string.
10976 2006-06-26 Richard Guenther <rguenther@suse.de>
10978 * ggc-page.c (init_ggc): Add missing element to size_lookup
10982 2006-06-23 Richard Guenther <rguenther@suse.de>
10984 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10985 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10986 alignment requests instead. Add verification code.
10987 Add struct tree_function_decl and struct tree_binfo size to
10988 extra_order_size_table. Add missing element to size_lookup
10991 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10993 PR middle-end/28151
10994 * fold-const.c (const_binop): Be prepared for self returning zero.
10995 Simplify code handling complex values.
10997 2006-06-24 Olivier Hainque <hainque@adacore.com>
10999 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
11000 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
11003 2006-06-24 Olivier Hainque <hainque@adacore.com>
11005 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
11006 ARRAY_REF, so have the callback called for the low bound expression.
11008 2006-06-23 Janis Johnson <janis187@us.ibm.com>
11010 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
11011 * c-typeck.c (c_common_type): Disallow operations on decimal float
11012 types and other float types.
11013 * convert.c (convert_to_real): Don't ignore conversions involving
11014 decimal float types.
11016 2006-06-23 Olivier Hainque <hainque@adacore.com>
11018 * tree.c (max_int_size_in_bytes): New function, inspired from
11019 code in function.c:assign_temp.
11020 * tree.h (max_int_size_in_bytes): Declare.
11021 * function.c (assign_temp): Use it.
11022 * gimplify.c (create_tmp_var): Relax the assertions on the type
11023 properties, not mandating constant size any more.
11024 (force_constant_size): New static function.
11025 (gimple_add_tmp_var): Use it, forcing variable size to a
11026 constant upper bound if it is not constant on entry.
11028 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
11031 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
11032 for initialization and setting of one_only flag to ...
11033 (i386_pe_encode_section_info): ...here.
11034 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
11035 Recheck that the symbol has not been defined.
11037 2006-06-23 Richard Guenther <rguenther@suse.de>
11039 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
11040 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
11041 alignment requests instead. Add verification code.
11042 Add struct tree_function_decl and struct tree_binfo size to
11043 extra_order_size_table. Add missing element to size_lookup
11046 2006-06-22 Roger Sayle <roger@eyesopen.com>
11047 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11049 PR middle-end/28131
11050 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
11051 call to lang_hooks.types.type_for_mode returned NULL_TREE.
11053 2006-06-23 Ben Elliston <bje@au.ibm.com>
11055 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
11056 negate dn -- manipulate it directly.
11058 2006-06-22 Roger Sayle <roger@eyesopen.com>
11059 Steven Bosscher <stevenb.gcc@gmail.com>
11062 * reload1.c (gen_reload): Call mark_jump_label on the new insns
11063 generated by gen_move_insn to add REG_LABEL notes if necessary.
11065 2006-06-22 Bob Wilson <bob.wilson@acm.org>
11067 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
11068 (leaf_entry): Remove use of MIN_ESA.
11070 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
11072 PR rtl-optimization/28121
11073 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
11076 2006-06-21 DJ Delorie <dj@redhat.com>
11078 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
11080 (mulhisi3_r): Likewise.
11082 2006-06-21 Richard Sandiford <richard@codesourcery.com>
11084 PR middle-end/28034
11085 * coverage.c (coverage_counter_alloc): Leave the index type
11087 (coverage_counter_alloc): Use null arguments for operands 2 and 3
11090 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
11092 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
11093 section from the "Options for Code Generation Conventions".
11095 2006-06-21 Richard Henderson <rth@redhat.com>
11099 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
11101 (global_symbolic_operand): Allow weak symbols, even if local_p.
11103 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
11105 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
11106 (find_interesting_uses_address): Punt if above function returns true.
11108 2006-06-21 Richard Guenther <rguenther@suse.de>
11110 * configure: Regenerated.
11112 2006-06-21 Joseph Myers <joseph@codesourcery.com>
11114 * config/mips/mips.c (function_arg): Where one part of a
11115 complex argument is in registers and the other part in the stack,
11116 return a REG not a PARALLEL.
11118 2006-06-21 Mark Mitchell <mark@codesourcery.com>
11120 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
11121 when cross-compiling. Do not substitute libstdcxx_incdir.
11122 * configure: Regenerated.
11124 2006-06-21 Jakub Jelinek <jakub@redhat.com>
11126 * varasm.c (mergeable_string_section): Check for embedded NULs and
11127 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
11128 rather than TREE_STRING_LENGTH bytes.
11130 2006-06-21 Richard Guenther <rguenther@suse.de>
11132 * ggc-page.c (extra_order_size_table): Add var_ann_d,
11133 tree_ssa_name, bitmap_element and phi_node with 4 arguments
11136 2006-06-21 Richrad Guenther <rguenther@suse.de>
11138 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
11139 Limit iteration over the dominators.
11141 2006-06-20 Roger Sayle <roger@eyesopen.com>
11143 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
11144 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
11146 2006-06-20 Richard Guenther <rguenther@suse.de>
11147 Michael Matz <matz@suse.de>
11149 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
11151 * alloc-pool.c (free_alloc_pool_if_empty): New function.
11152 * et-forest.h (et_free_pools): Prototype new function.
11153 * et-forest.c (et_free_tree_force): Free parent occurrence.
11154 (et_free_pools): New function.
11155 * dominance.c (free_dominance_info): Free et-forest alloc
11158 2006-06-20 Roger Sayle <roger@eyesopen.com>
11160 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
11161 integer modes, attempt to directly construct an integer constant.
11163 * fold-const.c (native_encode_vector): Determine the size of each
11164 element from the vector type instead of the first vector element.
11166 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
11167 if all of its elements/components are constant.
11168 (build_constructor_from_list): Likewise.
11170 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
11172 PR tree-optimization/27331
11173 * tree-data-ref.c (free_data_ref): New function.
11174 (create_data_ref): Fail if the data reference has unknown access
11176 (free_data_refs): Use free_data_ref.
11178 2006-06-19 Andrew Pinski <pinskia@gmail.com>
11180 PR middle-end/28075
11181 * tree-inline.c (setup_one_parameter): Strip useless
11182 type conversion before adding it to the IR.
11183 (declare_return_variable): Likewise.
11185 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
11188 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
11190 2006-06-19 Mike Stump <mrs@apple.com>
11192 * tree.c (variably_modified_type_p): VM arguments don't make the
11195 2006-06-19 Richard Guenther <rguenther@suse.de>
11197 * tree-ssa-pre.c (try_combine_conversion): Strip useless
11198 type conversions after folding.
11200 2006-06-19 Richard Guenther <rguenther@suse.de>
11202 * ggc-page.c (extra_order_size_tab): Add entries with
11203 size of struct function and basic_block.
11204 (size_lookup): Extend to cover sizes up to 511.
11205 (ggc_alloc_stat): Adjust user.
11206 (ggc_pch_count_object): Likewise.
11207 (ggc_pch_alloc_object): Likewise.
11208 (ggc_pch_write_object): Likewise.
11210 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
11212 * tree-ssa-loop-niter.c (implies_ge_p): New function.
11213 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
11216 2006-06-19 Denis Chertykov <denisc@overta.ru>
11218 * config/avr/libgcc.S : Correct my wrong previous commit.
11220 2006-06-19 Roger Sayle <roger@eyesopen.com>
11223 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
11224 have stripped a SUBREG from the shift count, so we may need to
11225 convert_to_mode back to the type's mode before calling make_tree.
11226 Use new_amount instead of amount to avoid expanding a tree twice.
11228 2006-06-19 Richard Guenther <rguenther@suse.de>
11230 PR middle-end/28045
11231 * fold-const.c (operand_equal_p): Check if the argument types
11232 have the same precision before stripping NOPs.
11234 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
11236 Fix PR tree-optimization/27341
11237 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
11239 * tree-complex.c (pass_lower_complex): Update SMT usage.
11241 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
11243 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
11244 Add a new alternative to the constraint strings. Add move of
11245 operand 1 to 3 to the splitter definition.
11246 ("doloop_si_long"): Second contraint alternative removed.
11248 2006-06-08 Anatoly Sokolov <aesok@post.ru>
11250 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
11251 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
11253 (AVR_HAVE_MOVW) Define.
11254 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
11255 (ASM_SPEC): Add avr25.
11256 (LINK_SPEC): Add avr25.
11257 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
11258 (base_arch_s): Add new member 'have_movw_lpmx'.
11259 (avr_arch_types): Init 'have_movw_lpmx'.
11260 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
11261 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
11262 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
11263 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
11264 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
11266 (avr_file_start): Do not output '.arh' derective.
11267 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
11268 (__do_copy_data): Use __AVR_HAVE_LPMX__.
11269 * config/avr/avr.md (mcu_enhanced): Delete.
11270 (mcu_have_movw): Define.
11271 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
11272 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
11273 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
11274 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
11275 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
11276 attiny861 and at86rf401 devices.
11278 2006-06-18 Jie Zhang <jie.zhang@analog.com>
11280 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
11283 2006-06-17 Karl Berry <karl@gnu.org>
11285 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
11286 doc/gccint.texi, doc/install.texi (@dircategory): Use
11287 "Software development" instead of "Programming", following
11288 the Free Software Directory.
11290 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
11292 * config/i386/i386.c (legitimate_tls_address)
11293 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
11294 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
11295 (*tls_dynamic_gnu2_combine_64): Likewise.
11297 2006-06-16 Richard Guenther <rguenther@suse.de>
11299 PR middle-end/27116
11300 * fold-const.c (negate_expr_p): Do not introduce undefined
11301 overflow in negating INTEGER_CSTs.
11302 (fold_negate_expr): Rename from negate_expr. Revert last
11303 change for folding BIT_NOT_EXPR. Change semantics to
11304 return NULL_TREE for non-simplified negations. Do not
11305 strip type conversions and unify type handling.
11306 (negate_expr): New function, wrap around fold_negate_expr
11307 but ensure building a tree always. Strip type conversions
11308 here, fold to result type.
11309 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
11311 2006-06-16 Roger Sayle <roger@eyesopen.com>
11313 PR middle-end/27802
11314 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
11315 that (would) return their results in stack registers.
11317 2006-06-16 Michael Matz <matz@suse.de>
11318 Richard Guenther <rguenther@suse.de>
11320 * fold-const.c (fold_truthop): Only return new tree node if
11321 we canonicalized something.
11323 2006-06-16 Richard Guenther <rguenther@suse.de>
11325 * function.h (enum function_frequency): Move declaration
11326 out of struct function.
11327 (struct function): Move bool fields and the enum to the bitfield
11328 section. Reorder elements to avoid padding. Remove unused
11329 fields left over from the RTL inliner removal.
11330 * function.c (free_after_compilation): Do not zero removed fields.
11331 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
11332 (ipa-type-escape.o): Likewise.
11334 2006-06-16 Richard Guenther <rguenther@suse.de>
11336 * cgraph.h (struct cgraph_local_info): Turn bool elements
11338 (struct cgraph_node): Likewise.
11339 (struct cgraph_varpool_node): Likewise.
11341 2006-06-15 Richard Guenther <rguenther@suse.de>
11343 * fold-const.c (fold_truth_not_expr): Rename from
11344 invert_truthvalue. Give it fold_* semantics to avoid
11345 generating garbage.
11346 (invert_truthvalue): New function. Wrapper around
11347 fold_truth_not_expr.
11348 (optimize_minmax_comparison): Avoid creating garbage.
11349 (fold_unary): Use fold_truth_not_expr for folding
11351 (fold_ternary): Replace uses of invert_truthvalue with
11352 fold_truth_not_expr where applicable.
11353 * tree.h (fold_truth_not_expr): Prototype.
11355 2006-06-16 Richard Guenther <rguenther@suse.de>
11357 PR tree-optimization/27781
11358 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
11359 * ipa-pure-const.c (target.h): Include.
11360 (analyze_function): Do not analyze functions that do not
11363 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
11365 PR middle-end/27793
11366 * tree-dfa.c (referenced_vars_dup_list): Remove.
11367 (find_referenced_vars): Remove assert.
11368 (referenced_var_check_and_insert): Replace dup list with assert.
11369 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
11370 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
11372 2006-06-15 Richard Guenther <rguenther@suse.de>
11374 * tree-ssa-structalias.c (alias_get_name): Avoid creating
11375 extra unused identifiers if not dumping.
11376 (create_variable_info_for): Likewise.
11378 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
11380 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
11381 (derive_constant_upper_bound): Derive more precise upper bound in
11382 common cases. Return type changed to double_int.
11383 (record_estimate): Reflect the changed return type of
11384 derive_constant_upper_bound.
11385 * double-int.c (double_int_zext, double_int_sext): Fix.
11387 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
11389 * configure.ac (CFLAGS): Get them from the toplevel or from the
11390 configure invocation.
11391 * configure: Regenerate.
11392 * Makefile.in (CFLAGS): Substitute value provided by configure.
11394 2006-06-14 Mark Mitchell <mark@codesourcery.com>
11397 * c-common.h (c_finish_omp_atomic): Adjust declaration.
11398 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
11399 rather than calling add_stmt on it.
11400 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
11402 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
11404 PR middle-end/27959
11405 * reload1.c (reload): Remove registers returned by update_eliminables
11406 from used_spill_regs.
11408 2006-06-13 DJ Delorie <dj@redhat.com>
11410 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
11412 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
11414 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
11415 html__strip_dir, html__mkdir_p. Enhance install-html target.
11416 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
11417 * configure: Regenerate.
11419 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
11421 * fold-const.c (fold_cond_expr_with_comparison): Check for
11422 Objective-C++ as language in deciding COND_EXPR transformation.
11424 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
11427 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
11428 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
11429 * config/sh/lib1funcs.h (SL, SL1): Define.
11430 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
11431 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
11432 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
11433 (OBJS_Os_4_200): New variable.
11434 ($(T)libgcc-Os-4-200.a): Use it.
11435 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
11436 when dividing 1 and/or by 0.
11438 2006-06-13 Roger Sayle <roger@eyesopen.com>
11440 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
11441 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
11442 * configure: Regenerate.
11444 2006-06-13 Jie Zhang <jie.zhang@analog.com>
11446 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
11447 for real instruction.
11449 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11451 PR middle-end/26807
11452 * haifa-sched.c (check_cfg): Handle special case.
11454 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
11457 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
11458 Add debug_info parameter. Chain the vars to the BLOCK instead
11459 of the BIND_EXPR if debug info are requested for them.
11460 (pop_gimplify_context): Adjust for above change.
11461 (gimple_add_tmp_var): Likewise.
11462 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
11463 Add bool parameter.
11464 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
11465 (convert_local_reference): Likewise.
11466 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
11467 (finalize_nesting_tree_1): Request that debug info be emitted
11468 for debug_var_chain.
11470 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11472 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
11473 for PR target/27863.
11475 2006-06-13 Richard Guenther <rguenther@suse.de>
11477 PR middle-end/27536
11478 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
11480 2006-06-13 Richard Guenther <rguenther@suse.de>
11482 PR tree-optimization/27830
11483 * tree-inline.c (copy_body_r): For copying the operand
11484 of an ADDR_EXPR make sure to fold &* afterwards.
11486 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
11488 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
11489 lvalues in the fb_none case with side-effects.
11491 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
11493 * tree-flow.h: Remove the prototype for
11494 compute_phi_arg_on_exit.
11495 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
11496 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
11499 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
11501 * builtins.c (expand_builtin_return_addr): Only use
11502 frame_pointer_rtx when count == 0 and we are expanding
11503 __builtin_return_address.
11505 2006-06-12 Fred Fish <fnf@specifix.com>
11507 * config/mips/mips.c (mips_file_start): Create special section
11508 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
11510 2006-06-11 Eric Christopher <echristo@apple.com>
11512 PR middle-end/27948
11513 * stor-layout.c (place_field): Remove check for
11514 remaining_in_alignment when aligning at the end of a run.
11516 2006-06-11 Eric Christopher <echristo@apple.com>
11519 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
11522 2006-06-11 Roger Sayle <roger@eyesopen.com>
11525 Revert incorrect fix for PR target/27158
11526 2006-05-08 Roger Sayle <roger@eyesopen.com>
11527 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11528 of a reg_equiv_constant if the result is a legitimate constant.
11530 2006-06-11 Roger Sayle <roger@eyesopen.com>
11533 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
11534 extract a CONST_VECTOR element and interpret it as an integer.
11535 (vspltis_constant): Use const_vector_elt_as_int instead of the
11536 macro CONST_VECTOR_ELT in order to handle FP vector modes.
11537 * config/rs6000/predicates.md (easy_vector_const): Consider
11538 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
11540 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
11542 PR middle-end/27942
11543 * stor-layout.c (update_alignment_for_field): Don't add extra
11544 alignment for packed non-bitfield fields in ms_bitfield_layout_p
11547 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
11549 * config/mips/t-rtems: Add EL/EB multilib variants.
11551 2006-06-09 Mike Stump <mrs@apple.com>
11553 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
11555 2006-06-09 David Daney <ddaney@avtrex.com>
11557 * doc/install.texi: Add binutils version recommendation for mips-*-*.
11559 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
11561 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
11563 2006-06-09 Richard Guenther <rguenther@suse.de>
11565 PR tree-optimization/26998
11566 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
11567 of signed types, only TYPE_MIN_VALUE is special, but for both,
11568 minimum and maximum value. Likewise VR_ANTI_RANGE is special
11569 in this case, as is -fwrapv.
11571 2006-06-08 Mike Stump <mrs@apple.com>
11574 * config/darwin.c (darwin_asm_output_anchor): Disable
11575 -fsection-anchors on darwin for now.
11576 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
11577 * rs6000/rs6000.c (optimization_options): Likewise.
11579 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11582 * config/i386/i386.c (classify_argument): Skip fields with invalid
11585 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
11587 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
11588 (cse_insn): Likewise for the stack_pointer_rtx.
11590 2006-06-08 Roger Sayle <roger@eyesopen.com>
11592 * tree-ssa-dom.c (record_conditions): Only record "unordered"
11593 conditions from floating point comparisons.
11595 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
11597 PR middle-end/27733
11598 * expmed.c (struct alg_hash_entry): Fix type of field T
11599 to match synth_mult argument.
11600 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
11602 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11605 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
11608 2006-06-08 Richard Guenther <rguenther@suse.de>
11610 PR middle-end/27116
11611 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
11612 only, if overflow is defined and not trapping.
11613 (negate_expr): Likewise.
11615 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11617 PR tree-optimization/27872
11618 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
11619 flag on the new exit edge of the unrolled loop.
11621 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11623 PR rtl-optimization/26449
11624 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
11626 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
11628 PR middle-end/27793
11629 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
11630 referenced_variables with matching DECL_UID's.
11631 (find_referenced_vars): Make sure duplicate list is empty to start.
11632 (referenced_var_p): Remove.
11633 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
11634 Check if var is in the list, and add if needed. Update the duplicate
11635 list if a different var is in the list with the same DECL_UID.
11636 (add_referenced_var): Call routine to check and insert.
11637 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
11638 * tree-flow.h (referenced_vars_dup_list): External declaration.
11640 2006-06-07 Fred Fish <fnf@specifix.com>
11642 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
11645 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
11648 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
11649 the imaginary and real parts of a clobbered register.
11650 Emit insn to set the imaginary part.
11652 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
11654 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
11655 in lieu of unwind-dw2-fde.c.
11657 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
11659 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
11661 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
11664 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
11665 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
11666 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
11667 V4SImode temporaries and operations instead.
11669 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
11671 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
11674 2006-06-06 Mike Stump <mrs@apple.com>
11676 * Makefile.in: Rename to htmldir to build_htmldir to avoid
11677 installing during build.
11679 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11681 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
11683 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11684 * config/ia64/ia64.c (params.h): New header.
11685 (ia64_optimization_options): New function to adjust parameters.
11686 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
11687 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
11688 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
11690 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
11692 * stor-layout.c (debug_rli): Fix a typo in a debug message.
11694 2006-06-05 Steve Ellcey <sje@cup.hp.com>
11697 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
11699 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
11700 Victor Kaplansky <victork@il.ibm.com>
11702 PR tree-optimization/26360
11703 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
11706 2006-06-04 Roger Sayle <roger@eyesopen.com>
11707 Andrew Pinski <pinskia@physics.uc.edu>
11709 PR middle-end/27382
11710 * c-common.c (c_common_truthvalue_conversion): Explicitly check
11711 for LABEL_DECL before calling DECL_WEAK.
11714 * c-typeck.c (build_binary_op): Likewise, explicitly check for
11715 LABEL_DECL and PARM_DECL.
11717 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
11721 * c-decl.c (grokdeclarator): Disallow variably modified types at
11722 file scope. Avoid marking shared array type of constant size as
11725 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11728 * c-common.c (fold_offsetof_1): Handle static members.
11730 2006-06-04 Eric Christopher <echristo@apple.com>
11732 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11733 (debug_rli): Output value for remaining_in_alignment.
11734 (update_alignment_for_field): Unconditionalize
11735 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11736 extra alignment code.
11737 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11738 ms_bitfield_layout_p code. Rewrite handling of structure fields.
11739 * tree.h (record_layout_info_s): Remove prev_packed.
11740 * doc/extend.texi (ms_struct): Add documentation of format.
11742 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
11744 * tree.h: Declare folding_initializer.
11745 * builtins.c (fold_builtin_constant_p): Give definite answer
11746 if folding inside an initializer.
11747 * fold-const.c: Define folding_initializer.
11748 (START_FOLD_INIT): Save and then set folding_initializer.
11749 (END_FOLD_INIT): Restore folding_initializer.
11751 2006-06-04 Richard Guenther <rguenther@suse.de>
11753 PR tree-optimization/27039
11754 * fold-const.c (fold_comparison): Handle pointer comparison
11755 again for all comparison codes. Compare offsets in signed
11757 (fold_binary): Move code from here.
11759 2006-06-03 Roger Sayle <roger@eyesopen.com>
11762 * config/i386/i386.c (construct_container): Split static issued_error
11763 flag into issued_sse_arg_error, issued_sse_ret_error and
11764 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
11765 requires the use of x87 registers and the user explicitly
11766 specified the -mno-80387 command line option.
11768 2006-06-02 Geoffrey Keating <geoffk@apple.com>
11770 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11771 HAVE_DECL_SIGALTSTACK.
11773 (segv_handler): Use MC_FLD.
11774 * configure.ac: Check for a sigaltstack declaration.
11775 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11776 * configure: Regenerate.
11777 * config.in: Regenerate.
11779 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
11782 * Makefile.in (stmp-fixinc): Fix typo.
11784 2006-06-02 Roger Sayle <roger@eyesopen.com>
11786 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11787 are type correct. Clean-up.
11788 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
11789 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
11791 2006-06-01 DJ Delorie <dj@redhat.com>
11793 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11794 shift, as we've disabled the "switch" insn that needs it.
11796 2006-06-01 Per Bothner <bothner@bothner.com>
11798 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11799 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
11800 * c-ppoutput.c (cb_define): Don't increment line 0.
11802 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
11804 * doc/invoke.texi: Add cpu_type power6.
11805 * config.gcc: Add cpu_type power6.
11806 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11807 to power5+ with Altivec.
11808 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11809 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11811 2006-05-30 Anatoly Sokolov <aesok@post.ru>
11813 * config/avr/avr.h (SET_ASM_OP): Define.
11815 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
11817 * config/bfin/bfin.c: Fix comment typos.
11819 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11822 * doc/install.texi: Document --enable-bootstrap and
11823 --disable-bootstrap.
11825 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11827 * doc/install.texi: Document that InfoZIP can replace jar.
11829 2006-05-31 Roger Sayle <roger@eyesopen.com>
11831 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11832 isn't available, directly generate the simpler x87 patterns without
11833 the (use (const_int 0)).
11834 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11835 implementation isn't available.
11836 (*negdf2_1): Likewise.
11837 (*negxf2_1): XF mode negation is always done using the x87.
11838 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11840 2006-05-31 Roger Sayle <roger@eyesopen.com>
11842 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
11843 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
11845 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11847 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11849 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11850 * config/bfin/bfin.c (basic-block.h): Include.
11851 (struct machine_function): New.
11852 (bfin_init_machine_status): New.
11853 (override_options): Initialize init_machine_status.
11854 (bfin_hardware_loop): New.
11855 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11856 (DEF_VEC_P (loop_info)): New.
11857 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11858 (struct loop_info): New.
11859 (loop_info): New typedef.
11860 (struct loop_work): New.
11861 (loop_work): New typedef.
11862 (DEF_VEC_O (loop_work)): New.
11863 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11864 (bfin_dump_loops): New.
11865 (bfin_bb_in_loop): New.
11866 (bfin_scan_loop): New.
11867 (bfin_optimize_loop): New.
11868 (bfin_reorg_loops): New.
11869 (bfin_reorg): Use bfin_reorg_loops.
11870 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11872 (I_REGNO_P): Simplify.
11873 (DP_REGNO_P, DPREG_P): New macros.
11874 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11875 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11876 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11877 Add LT_REGS, LC_REGS, LB_REGS.
11878 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11880 (REGNO_REG_CLASS): Deal with loop registers.
11881 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11883 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11884 New constants for loop registers.
11885 (UNSPEC_LSETUP_END): New.
11886 (seq_insns): New define_attr. Set it for appropriate insns.
11887 (movsi_insn): Add alternatives for move from/to
11888 loop count registers.
11889 (doloop_end): New define_expand.
11890 (loop_end): New define_insn.
11891 (define_split for bad doloop_end): New.
11892 (lsetup_with_autoinit): New define_insn.
11893 (lsetup_without_autoinit): New define_insn.
11894 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11895 * config/bfin/predicates.md (lc_register_operand): New.
11896 (lt_register_operand): New.
11897 (lb_register_operand): New.
11898 (nondp_register_operand): New.
11899 (nondp_reg_or_memory_operand): New.
11900 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11902 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11904 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11905 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11907 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11909 * Makefile.in (CATALOGS): Add po/ prefix.
11910 * configure: Regenerated.
11912 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11915 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11916 a shift operand before calling shift_op. Avoid redundant call of
11919 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11920 DJ Delorie <dj@redhat.com>
11922 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11923 we're inserting is a singlt-bit constant.
11925 2006-05-30 Roger Sayle <roger@eyesopen.com>
11927 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11928 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11930 2006-05-30 Roger Sayle <roger@eyesopen.com>
11932 PR tree-optimization/23452
11933 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11934 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11935 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11936 complex values and with -ffast-math for FP complex values.
11938 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11940 * c-common.h: Remove the prototype for yyparse.
11941 * rtl.h: Remove the prototype for init_loop.
11943 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11945 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11948 2006-05-30 Roger Sayle <roger@eyesopen.com>
11950 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11952 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11953 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11955 2006-05-30 Dirk Mueller <dmueller@suse.de>
11958 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11959 for CONSTANT_CLASS_P expresisons.
11961 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11964 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11966 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11968 PR tree-optimization/27779
11969 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11970 initial_condition instead of CHREC_LEFT.
11972 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11974 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11975 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11976 Make prototypes ISO C90.
11978 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11979 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11981 * see.c (see_analyze_one_def): Correct check.
11982 (see_get_extension_data): Check if extension is parallel.
11983 (see_get_extension_reg): Likewise.
11985 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11988 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11989 into register for (code == GTU).
11991 2006-05-29 Roger Sayle <roger@eyesopen.com>
11993 PR tree-optimization/24964
11994 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11995 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11996 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11997 abs(x)*abs(x) as x*x for scalar floating point modes.
11999 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
12001 PR middle-end/27745
12002 * lambda-code.c (perfect_nestify): Don't copy statements
12003 in the inner loop: move them to the inner loop header.
12005 2006-05-29 Diego Novillo <dnovillo@redhat.com>
12008 * c-tree.texi: Document OpenMP directives and clauses.
12010 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
12012 * varasm.c (globalize_decl): Fix indentation.
12014 2006-05-29 Diego Novillo <dnovillo@redhat.com>
12017 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
12018 pass_fre, pass_store_ccp, pass_copy_prop,
12019 pass_store_copy_prop, pass_merge_phi, pass_nrv,
12020 pass_return_slot, pass_object_size, pass_lim,
12021 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
12022 pass_loop_prefetch and pass_stdarg.
12024 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
12026 * config/bfin/bfin.opt (mfdpic): New option.
12027 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
12028 (EXTRA_MULTILIB_PARTS): Likewise.
12029 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
12030 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
12032 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
12033 (CRT_CALL_STATIC_FUNCTION): New.
12034 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
12036 (CRT_CALL_STATIC_FUNCTION): New.
12037 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
12039 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
12040 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
12041 (initialize_trampoline): Changed to handle FD-PIC code generation.
12042 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
12043 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
12044 (override_options): Disallow -mid-shared-library -mfdpic combination.
12045 Can't do unaligned ops if FD-PIC.
12046 Turn off flag_pic if trying to generate non-id-shared-library
12047 non-fdpic code, since it's not supported.
12048 (bfin_assemble_integer): New function.
12049 (TARGET_ASM_INTEGER): Define.
12050 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
12052 * config/bfin/crtn.s: Restore them.
12053 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
12055 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
12056 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
12057 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
12058 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
12059 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
12061 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
12062 FDPIC_REGS and FDPIC_FPTR_REGS.
12063 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
12064 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
12065 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
12066 (load_funcdescsi): New pattern.
12067 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
12068 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
12069 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
12071 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
12073 * gcse.c, rtlanal.c: Remove obsolete comments associated with
12076 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
12078 * tree-flow.h: Remove the prototype for add_type_alias.
12079 * tree-ssa-alias.c (add_type_alias): Remove.
12081 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
12083 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
12084 config/fr30/fr30.md, config/i386/i386-interix.h,
12085 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
12086 config/sh/superh64.h, config/v850/v850.c, df-core.c,
12087 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
12088 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
12089 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
12090 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
12091 Follow spelling conventions.
12092 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
12093 Follow spelling conventions.
12095 2006-05-27 Richard Guenther <rguenther@suse.de>
12097 PR middle-end/27773
12098 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
12099 to produce a constant of value 1 of generic type.
12101 2006-05-27 Dirk Mueller <dmueller@suse.de>
12103 * cgraphunit.c (decide_is_function_needed): Fix wrong
12106 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
12108 PR rtl-optimization/27661
12109 * reload.c (find_reloads): When reloading a VOIDmode constant
12110 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
12111 use Pmode as mode of the reload register.
12113 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
12115 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
12116 is enabled at -O and above.
12118 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
12121 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
12124 2006-05-25 Mark Mitchell <mark@codesourcery.com>
12127 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
12128 for anonymous variables explicitly declared by front ends.
12130 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
12132 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
12133 (struct alias_info): Add new field ref_all_symbol_mem_tag.
12134 * tree-ssa-alias.c (compute_may_aliases): If the program contains
12135 ref-all pointers, run a finalization pass for them.
12136 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
12137 (finalize_ref_all_pointers): New function.
12138 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
12139 regular pointer type to a ref-all pointer type.
12140 (get_tmt_for): Return the special memory tag for ref-all pointers.
12142 2006-05-25 Richard Guenther <rguenther@suse.de>
12144 PR middle-end/27743
12145 * fold-const.c (fold_binary): Do not look at the stripped
12146 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
12148 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
12150 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
12151 for LT and GT if the computed range is effectively empty.
12153 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12156 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
12157 mips_quad_format formats instead of ieee_single_format,
12158 ieee_double_format and ieee_quad_format formats, respectively.
12160 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
12162 PR tree-optimization/27639
12163 PR tree-optimization/26719
12164 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
12165 call to scev_probably_wraps_p.
12166 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
12167 used_in_pointer_arithmetic_p, convert_step): Removed.
12168 (nowrap_type_p): New function.
12169 (scev_probably_wraps_p): Rewritten.
12170 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
12171 chrec_convert if chrec_convert_aggressive might have been used.
12172 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
12173 scev_direction): New functions.
12174 (chrec_convert): Changed to a wrapper over chrec_convert_1.
12175 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
12176 instead of convert_step.
12177 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
12178 (convert_step): Declaration removed.
12179 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
12181 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
12183 * df-core.c: Added to header comments.
12184 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
12185 df_ur_bb_info, df_urec_bb_info): Added comments.
12186 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
12187 urec, ri problems): Fixed header comments.
12188 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
12189 code from df_rd_transfer_function.
12191 2006-05-23 Richard Sandiford <richard@codesourcery.com>
12193 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
12194 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
12195 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
12197 2006-05-23 Joseph Myers <joseph@codesourcery.com>
12199 * expr.c (undefined_operand_subword_p): New.
12200 (emit_move_multi_word): Do not generate move from undefined bits
12201 of a paradoxical subreg.
12203 2006-05-23 Richard Sandiford <richard@codesourcery.com>
12205 PR rtl-optimization/27736
12206 * combine.c (replaced_rhs_value): New variable.
12207 (combine_instructions): Set it.
12208 (distribute_notes): When distributing a note in replaced_rhs_insn,
12209 check whether the value was used in replaced_rhs_value.
12211 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
12214 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
12215 add_referenced_var instead of add_referenced_tmp_var.
12216 * tree-complex.c (create_one_component_var): Use add_referenced_var.
12217 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
12218 add_referenced_var.
12219 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
12220 tree_optimize_tail_calls_1): Use add_referenced_var.
12221 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
12222 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
12223 Use add_referenced_var.
12224 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
12225 * gimplify.c (force_gimple_operand): Use add_referenced_var.
12226 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
12227 Use add_referenced_var.
12228 * tree-dfa.c (struct walk_state): Remove.
12229 (find_referenced_vars): Remove walk state and vars_found hash table.
12230 (make_rename_temp): Use add_referenced_var.
12231 (find_vars_r): Pass less parameters to add_referenced_var.
12232 (referenced_var_p): New. Is var in referenced_var hash table.
12233 (referenced_var_insert): Assert var isn't already in hash table.
12234 (add_referenced_var): Don't need walk_state parameter. Add var if it
12235 isn't already in the hash table.
12236 (add_referenced_tmp_var): Remove.
12237 (find_new_referenced_vars_1): Use add_referenced_var.
12238 * tree-ssa-pre.c (create_expression_by_pieces,
12239 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
12240 Use add_referenced_var.
12241 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
12242 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
12243 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
12244 add_referenced_var.
12245 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12246 vect_create_data_ref_ptr, vect_create_destination_var,
12247 vect_init_vector, vect_build_loop_niters,
12248 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
12249 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
12250 Use add_referenced_var.
12251 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
12252 * tree-flow.h (add_referenced_tmp_var): Remove prototype
12253 (add_referenced_var): Add prototype.
12254 * tree-ssa-structalias.c (get_constraint_for,
12255 intra_create_variable_infos): Use add_referenced_var.
12257 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
12259 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
12260 big-endian paradoxical subregs.
12261 * var-tracking.c (struct micro_operation_def): Document that,
12262 for modify micro operations, insn is the subsequent instruction.
12263 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
12264 (var_reg_set, var_mem_set): ... new functions.
12265 (add_stores): Record subsequent insn.
12266 (compute_bb_dataflow): Use new functions for MO_USE.
12267 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
12268 notes after the insn, and modify notes before the insn known
12269 to be the subsequent one.
12270 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
12272 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
12275 * config/i386/i386.c (ix86_expand_builtin): Use
12276 gen_sse3_monitor64 for TARGET_64BIT.
12278 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
12280 PR rtl-optimization/26375
12281 PR rtl-optimization/26855
12282 * df-problems (df_ru_bb_local_compute_process_def): Removed update
12284 (df_ru_bb_local_compute): Reversed statements and removed bogus
12285 comment explaining why they should be in wrong order.
12286 (df_ru_dump, df_rd_dump): Enhanced debug info.
12287 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
12289 * ddg.c (add_deps_for_def): Converted use of reaching defs to
12290 reaching uses and fixed space problem.
12292 2006-05-23 Jan Hubicka <jh@suse.cz>
12294 * cgraphunit.c (decide_is_function_needed): Also nested functions
12295 and functions declared inline can be optimized out at -O0.
12297 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
12299 * doc/install.texi (Configuration): Remove reference to CrossGCC
12300 FAQ which was gone.
12303 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
12306 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
12307 ix86_compare_emitted is non-NULL.
12309 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12312 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
12315 2006-05-22 Richard Sandiford <richard@codesourcery.com>
12317 PR rtl-optimization/25514
12318 * combine.c (replaced_rhs_insn): New variable.
12319 (combine_instructions): Set replaced_rhs_insn when trying to replace
12320 a SET_SRC with a REG_EQUAL note.
12321 (distribute_notes): Use replaced_rhs_insn when determining the live
12322 range of a REG_DEAD register.
12324 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
12325 Anatoly Sokolov <aesok@post.ru>
12327 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
12328 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
12329 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
12330 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
12331 atmega3290, atmega649, atmega6490, atmega406, atmega640,
12332 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
12333 at90usb647, at90usb1286 and at90usb1287 devices.
12334 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
12335 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
12337 2006-05-22 Richard Sandiford <richard@codesourcery.com>
12339 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
12341 2006-05-22 Richard Guenther <rguenther@suse.de>
12344 2006-01-31 Richard Guenther <rguenther@suse.de>
12345 Paolo Bonzini <bonzini@gnu.org>
12347 * doc/install.texi (--disable-libgcc-math): Document.
12349 2006-05-22 Richard Guenther <rguenther@suse.de>
12352 2006-01-31 Richard Guenther <rguenther@suse.de>
12354 * doc/invoke.texi (-msselibm): Document.
12355 * target.h (expand_library_builtin): New target hook.
12356 * builtins.c (expand_builtin): Use expand_library_builtin.
12357 (default_expand_library_builtin): New function.
12358 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12359 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12360 (link_gcc_math_spec): Declare.
12361 (static_specs): Add link_gcc_math_spec.
12362 * expr.h (default_expand_library_builtin): Declare.
12363 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12364 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12365 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12366 * config/i386/i386.opt (msselibm): New target option.
12367 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12368 (ix86_init_sse_abi_builtins): New function.
12369 (ix86_expand_library_builtin): Likewise.
12370 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12371 (override_options): Handle error conditions wrt -msselibm.
12372 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12373 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12374 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12377 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12380 * c-common.c (self_promoting_args_p): Skip erroneous args.
12383 * c-decl.c (finish_struct): Skip erroneous fields.
12385 2006-05-22 Nick Clifton <nickc@redhat.com>
12387 * config/cris/cris.opt (march): Remove VarExists attribute.
12388 (max-stackframe=): Likewise.
12390 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
12392 * doc/rtl.texi: Fix a typo.
12393 * see.c: Fix comment typos.
12395 * tree-ssa-structalias.h (alias_info): Remove num_references.
12397 2006-05-21 Mike Stump <mrs@apple.com>
12399 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
12401 (darwin_pragma_options): Use BAD instead.
12402 (darwin_pragma_unused): Likewise.
12403 (darwin_pragma_ms_struct): Likewise.
12405 2006-05-21 David Edelsohn <edelsohn@gnu.org>
12407 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
12409 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
12411 PR rtl-optimization/27671
12412 * simplify-rtx.c (simplify_relational_operation_1): Fix
12413 simplifications of (eq/ne (xor x y) y) and
12414 (eq/ne (xor x y) x).
12416 PR tree-optimization/26622.
12417 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
12420 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
12422 * tree-cfg.c: Prune whitespace.
12423 (debug_tree_cfg): Point to correct header containing the
12426 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
12428 PR middle-end/25776
12429 * cgraphunit.c (verify_cgraph_node): Typo in error message.
12431 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
12433 PR middle-end/25776
12434 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
12435 or sorry count is non zero.
12437 2006-05-20 Andreas Schwab <schwab@suse.de>
12439 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
12441 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
12442 Kenneth Zadeck <zadeck@naturalbridge.com>
12444 PR rtl-optimization/26855
12446 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
12448 (df_scan_alloc): Added code to properly handle multiword hard
12449 registers and add all_blocks parameter.
12450 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
12451 code to properly handle multiword hard registers.
12452 (df_rescan_blocks): Added code to remove deleted blocks from
12454 (df_ref_create_structure, df_ref_record): Added code to properly
12456 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
12457 and set DF_REF_PARTIAL.
12458 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
12459 (df_uses_record): Added DF_REF_PARTIAL for subreg.
12460 (df_scan_add_problem): Added flags parameter.
12461 (df_ref_create_structure): Changed switching structure.
12462 (df_bb_refs_record): Fixed case where duplicate artificial refs
12463 were created. Changed location of flags.
12464 (df_record_entry_block_defs): Added code to make stack pointer
12465 live in entry block. Refined cases where frame pointer is needed.
12466 Changed location of flags.
12467 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
12468 (df_set_state): Removed function.
12469 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
12470 df_insn_create_insn_record, df_insn_refs_delete,
12471 df_ref_create_structure): Formatting changes.
12472 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
12473 df_delete_basic_block): New function.
12474 (df_init): Changed location of flags.
12475 (df_add_problem): Added flags parameter and the way flags are
12477 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
12478 debug_df_chain): Improved debugging output.
12479 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
12480 (df_refs_chain_dump): Removed df parameter.
12481 (df_iterative_dataflow): Added consistency check.
12482 (df_prune_to_subcfg): Made public.
12483 (df_analyze_problem): Added blocks_to_init parameter and made
12485 (df_ref_record, df_bb_refs_record, df_mark_reg,
12486 df_record_exit_block_uses): Whitespace changes.
12487 (df_dump): Whitespace changes.
12488 * df.h: Some reordering to remove forward references.
12489 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
12490 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
12491 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
12492 (dataflow.flags): New field.
12493 (df.flag): Deleted field.
12494 (df_alloc_function): Added additional bitmap parameter.
12495 (df_dependent_problem_function): New type.
12496 (df_problem.changeable_flags): New field.
12497 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
12498 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
12499 (df_mw_hardreg): New struct.
12500 (DF_INSN_UID_MWS): New macro.
12501 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
12503 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
12504 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
12505 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
12506 (df_set_state): Removed function.
12507 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
12508 * df-problems.c (df_chain_dump): Removed df parameter.
12509 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
12510 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
12512 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
12513 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
12514 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
12515 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
12516 DF_REF_MUST_CLOBBER cases.
12517 (df_ru_bb_local_compute_process_def,
12518 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
12519 df_lr_bb_local_compute, df_ur_bb_local_compute,
12520 df_chain_create_bb): Made subreg aware.
12521 (df_ru_bb_local_compute, df_rd_bb_local_compute,
12522 df_lr_bb_local_compute, df_lr_bb_local_compute,
12523 df_chain_create_bb): Cleanup to use proper macros.
12524 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
12525 code to fixup bitvectors.
12526 (df_ri_alloc): Cleared lifetime.
12527 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
12528 df_create_unused_note): New function.
12529 (df_ri_bb_compute, df_ri_compute): Added code to create/update
12530 REG_DEAD and REG_UNUSED notes as well as register information.
12531 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
12532 df_chains_dump): Fixed crash if problem was never run.
12533 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
12534 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
12535 df_ri_add_problem): Processes flags in uniform manner.
12536 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
12537 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
12538 df_rd_dump, df_urec_free_bb_info): Formatting changes.
12539 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
12540 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
12541 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
12542 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
12543 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
12544 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
12545 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
12546 * see.c (see_initialize_data): Ditto.
12547 * final.c (rest_of_clean_state) Added regstack_completed.
12548 * rtl.h (regstack_completed): Ditto.
12549 * reg-stack.c (regstack_completed): Ditto.
12551 2006-05-19 Mike Stump <mrs@apple.com>
12553 * c-tree.h (default_conversion): Remove.
12554 * c-common.h (default_conversion): Add.
12556 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
12558 * tree-vrp.c (valid_value_p): New function.
12559 (adjust_range_with_scev): Fail if the value of bound is not
12562 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12564 * config/mips/linux-unwind.h: Include <asm/unistd.h>
12565 (mips_fallback_frame_state): Use syscall numbers to determine
12566 the appropriate li instruction for the current ABI. Only use
12567 __NR_sigreturn for o32.
12569 2006-05-19 Nicolas Setton <setton@adacore.com>
12571 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
12572 * langhooks.c (lhd_dwarf_name): New function.
12573 * langhooks-def.h (lhd_dwarf_name): Declare.
12574 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
12575 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
12577 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12579 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
12581 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
12582 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
12583 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
12584 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
12585 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
12586 determine the size of Wtype, etc.
12587 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
12588 (swfloatfuncs): New variable.
12589 (dwfloatfuncs): Likewise.
12590 (lib2funcs): Remove floating-point conversion functions from
12591 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
12592 the set of conversion routines needed. Allow entries to specify
12593 an object name, filename and word size. Update users accordingly.
12594 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
12595 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
12599 2006-02-08 Roger Sayle <roger@eyesopen.com>
12602 * config/fixtfdi.c: New libgcc source file.
12603 * config/fixunstfdi.c: New source file.
12604 * config/floatditf.c: New source file.
12605 * config/floatunditf.c: New souce file.
12606 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12607 files above instead of config/mips/_tilib.c.
12608 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12610 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12612 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
12613 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
12615 2006-05-18 Mike Stump <mrs@apple.com>
12617 Fix up vla, vm and [*] sematics.
12623 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
12624 (c_vla_unspec_p): Add.
12625 (c_vla_type_p): Add.
12626 * c-decl.c (struct c_scope): Add had_vla_unspec.
12627 (build_array_declarator): Add support for [*].
12628 (grokdeclarator): Likewise.
12629 (grokparms): Likewise.
12630 (get_parm_info): Likewise.
12631 * c-objc-common.c (c_vla_unspec_p): Likewise.
12632 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
12633 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
12634 typeof when argument is a variably modified type not inside sizeof or alignof.
12635 (c_parser_direct_declarator_inner): Propagate errors.
12636 (c_parser_sizeof_expression): Add support for [*].
12637 (c_parser_parms_declarator): Initialize had_vla_unspec.
12638 (c_parser_parms_list_declarator): Likewise.
12639 * c-typeck.c (c_vla_type_p): Add.
12640 (composite_type): Add support for vla compositing.
12641 (comptypes_internal): Add support for vla compatibility.
12642 (c_expr_sizeof_expr): Evaluate vla arguments.
12643 * tree.c (variably_modified_type_p): Update comment for [*].
12645 2006-05-18 Michael Matz <matz@suse.de>
12648 * config.host: Make assignments to host_xmake_file cumulative.
12649 * config.host (*-darwin*): Test $host, not $target.
12651 2006-05-12 Stuart Hastings <stuart@apple.com>
12653 * config/i386/i386.opt (-mstackrealign): New flag.
12654 * config/i386/i386.c (force_align_arg_pointer): New attribute.
12655 (ix86_handle_cconv_attribute): Emit error when
12656 force_align_arg_pointer attribute collides with too many regparms.
12657 (ix86_function_regparm): Limit regparms when used with
12658 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
12659 Support stack-realigning prologue in non-main functions. Emit
12660 warning for nested functions under -mstackrealign, emit error for
12661 nested functions with force_align_arg_pointer attribute.
12662 * doc/extend.texi (force_align_arg_pointer): Document it.
12663 * doc/invoke.texi (-mstackrealign): Document it.
12665 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
12667 PR rtl-optimization/27477
12668 * combine.c (try_combine): Don't split a parallel consisting
12669 of two sets into two individual sets if both sets reference
12672 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
12674 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
12675 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
12677 * doc/options.texi (VarExists): Updated.
12679 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12681 * unwind-dw2.c: Add declarations for uw_update_context and
12682 uw_frame_state_for.
12683 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
12684 detected, advance frame state and context once to skip over stub.
12686 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12688 PR middle-end/20256
12689 PR middle-end/26435
12690 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
12691 Call rewrite_into_loop_closed_ssa only when something changed.
12692 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
12693 * lambda-code.c (can_convert_to_perfect_nest): Declared.
12694 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
12695 Test for perfect_nest_p here. Fix formating.
12696 (replace_uses_equiv_to_x_with_y): Fix formating.
12697 (stmt_uses_op): Removed.
12698 (can_convert_to_perfect_nest): Removed loopivs parameter.
12699 Complete the test by checking the scalar dependences.
12700 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
12703 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12706 From Dan Kegel <dank@kegel.com>:
12707 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
12709 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
12711 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
12712 if the element type is variably modified without recursing.
12714 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12716 PR middle-end/27332
12717 * tree-loop-linear.c (try_interchange_loops): Test for
12718 no data dependences.
12720 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
12722 PR tree-optimization/27548
12723 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12724 range of ssa names that appear on abnormal edges.
12725 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12726 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12728 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12730 PR middle-end/27620
12731 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
12733 2006-05-17 Jakub Jelinek <jakub@redhat.com>
12735 PR middle-end/27415
12736 * tree.h (OMP_PARALLEL_COMBINED): Define.
12737 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12738 (new_omp_context): Add is_combined_parallel argument.
12739 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12740 new_omp_context caller.
12741 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12742 Adjust gimplify_scan_omp_clauses callers.
12743 (omp_is_private): Issue errors if iteration variable is firstprivate
12744 or reduction in the current context.
12745 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12746 on combined parallel workshare constructs.
12748 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12750 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12751 (gcc-options.o): New rule.
12753 * optc-gen.awk: Protect variables for gcc-options.o with
12754 #ifdef GCC_DRIVER/#endif.
12756 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
12758 Fix PR tree-optimization/27373
12759 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12760 (forward_propagate_addr_expr): Update call.
12762 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12764 * doc/options.texi: Move the Negative option.
12766 2006-05-16 Richard Guenther <rguenther@suse.de>
12768 PR tree-optimization/22303
12769 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12771 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12772 ccp_fold did not simplify the statement.
12774 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12777 * Makefile.in (GCC_OBJS): New.
12778 (OBJS-common): Add opts-common.o.
12779 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12780 (cpp$(exeext)): Likewise.
12781 (gcc.o): Also depend on opts.h.
12782 (opts-common.o): New.
12784 * common.opt (gcoff): Add Negative(gdwarf-2).
12785 (gdwarf-2): Add Negative(gstabs).
12786 (gstabs): Add Negative(gstabs+).
12787 (gstabs+): Add Negative(gvms).
12788 (gvms): Add Negative(gxcoff).
12789 (gxcoff): Add Negative(gxcoff+).
12790 (gxcoff+): Add Negative(gcoff).
12791 * config/i386/i386.opt (m32): Add Negative(m64).
12792 (m64): Add Negative(m32).
12794 * doc/options.texi: Document the Negative option.
12796 * gcc.c: Include "opts.h".
12797 (main): Call prune_options after expandargv.
12799 * optc-gen.awk: Generate common declarations for all flag
12800 variables in options.c. Output the neg_index field.
12802 * opts.c (find_opt): Moved to ...
12803 * opts-common.c: Here. New file.
12805 * opts.h (cl_option): Add a neg_index field.
12807 (prune_options): Likewise.
12809 2006-05-16 Jakub Jelinek <jakub@redhat.com>
12811 PR middle-end/27573
12812 * omp-low.c (expand_omp_parallel): Don't assert
12813 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12814 instead search for it.
12817 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12820 2006-05-16 Andreas Schwab <schwab@suse.de>
12822 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12825 2006-05-15 Roger Sayle <roger@eyesopen.com>
12828 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12829 integer constants other than zero are only legitimate on TARGET_64BIT.
12830 <CONST_VECTOR> Only zero vectors are legitimate.
12831 (ix86_cannot_force_const_mem): Integral and vector constants can
12832 always be put in the constant pool.
12834 2006-05-16 DJ Delorie <dj@redhat.com>
12836 * crtstuff.c (__dso_handle): Set section from
12837 TARGET_LBIGCC_SDATA_SECTION if defined.
12838 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12839 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12841 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
12844 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12847 2006-05-16 Ben Elliston <bje@au.ibm.com>
12849 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12851 2006-05-15 Per Bothner <per@bothner.com>
12853 * tree.c: (last_annotated_node): Use source_locus typedef.
12854 This permits bootstrapping with --enable-mapped-location.
12856 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12858 PR tree-optimization/26830
12859 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12860 (info_for_ssa_name, current_info_for_ssa_name_age,
12861 blocks_to_update): New variables.
12862 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12863 (clear_ssa_name_info, initialize_flags_in_bb,
12864 mark_block_for_update): New functions.
12865 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12866 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12867 prepare_def_site_for): Use mark_block_for_update.
12868 (mark_def_interesting): Assert that the processed block is marked in
12869 blocks_to_update. Do not take blocks argument.
12870 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12872 (rewrite_update_init_block, rewrite_update_stmt): Only process
12873 blocks with statements to rewrite.
12874 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12875 (update_ssa): Initialize and free blocks_to_update. Do not
12876 clear flags on statements. Do not use blocks bitmap.
12877 * tree.h (SSA_NAME_AUX): Removed.
12878 (struct tree_ssa_name): Removed aux field.
12879 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12881 2006-05-15 Richard Guenther <rguenther@suse.de>
12883 PR tree-optimization/27603
12884 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12885 Do computations in original type.
12887 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12889 * see.c: Code style changes such as redundant paranthesis,
12890 redundant intialization of local variables etc.
12891 (see_main): Declared now as static.
12892 * doc/invoke.texi: Update that -fsee is not enabled by
12895 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12897 * omp-low.c (check_omp_nesting_restrictions): New function.
12898 (scan_omp_1): Call it.
12900 PR middle-end/27416
12901 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12902 construct, return *VAR.
12904 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12906 PR rtl-optimization/27406
12907 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12910 2006-05-14 Roger Sayle <roger@eyesopen.com>
12912 PR rtl-optimization/27538
12913 * combine.c (expand_compound_operation): Call gen_lowpart
12914 before calling simplify_shift_const.
12916 2006-05-14 Roger Sayle <roger@eyesopen.com>
12918 PR rtl-optimization/22563
12919 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12920 a fixed width bitfield, always force the intermediates into psuedos.
12922 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12925 * mkconfig.sh: Use operator = instead of == for test.
12927 2006-05-13 Nick Clifton <nickc@redhat.com>
12929 * dwarf2out.c (dbx_reg_number): Check return value from
12930 LEAF_REG_REMAP and only use it if it is valid.
12931 (multiple_reg_loc_descriptor): Likewise.
12933 2006-05-13 Richard Guenther <rguenther@suse.de>
12935 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12938 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12940 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12941 information attached to non-INSNs such as NOTEs.
12942 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12944 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12946 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12948 * config/s390/s390.md: Adjust comment describing On constraint.
12950 2006-05-11 Jan Hubicka <jh@suse.cz>
12952 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12953 to be output at -O0.
12955 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12957 PR middle-end/27384
12958 * fold-const.c (size_binop): Move sanity check for arguments to
12959 the beginning of the function.
12961 PR middle-end/27488
12962 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12965 2006-05-11 Richard Guenther <rguenther@suse.de>
12967 PR middle-end/27529
12968 * fold-const.c (fold_unary): Handle intermediate conversion
12969 to a pointer type like intermediate conversion to an integer
12970 type in folding of (T1)(T2)var to var.
12971 Match the code to the comment in the final conversion for
12972 (T1)(T2)var to (T1)var regarding to type precision. Rather
12973 than disallow T1 being of pointer type, assert that both T1
12974 and var are of pointer type or not. Make sure not to fall
12975 over the frontends lazyness wrt array to pointer decay though.
12977 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12979 * arm.c (arm_struct_value_rtx): Delete.
12980 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12981 (arm_init_cumulative_args): Always initialize nregs to zero.
12983 2006-05-10 Richard Guenther <rguenther@suse.de>
12985 PR tree-optimization/27532
12986 * tree-object-size.c (plus_expr_object_size): Fix typo.
12988 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12991 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12992 ashrdi_const, ashrdi3): Use a scratch register.
12994 2006-05-10 Richard Guenther <rguenther@suse.de>
12996 PR tree-optimization/27302
12997 * fold-const.c (operand_equal_p): For two comparisons,
12998 try comparison of one comparison code swapped if that yields
13001 2006-05-10 Ben Elliston <bje@au.ibm.com>
13003 * tree-pretty-print.c (pretty_print_string): No need to handle
13004 '\0' as a special character.
13006 * tree.h: Include "hashtab.h".
13007 (iterative_hash_expr): Use hashval_t in its prototype.
13008 * Makefile.in (TREE_H): Add $(HASHTAB_H).
13010 2006-05-09 Steve Ellcey <sje@cup.hp.com>
13013 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
13014 (hppa*64*-*-hpux11*): Ditto.
13015 (hppa[12]*-*-hpux11*): Ditto.
13017 2006-05-09 David Edelsohn <edelsohn@gnu.org>
13020 * config/rs6000/aix41.h (TARGET_64BIT): Define.
13022 2006-05-09 Michael Matz <matz@suse.de>
13024 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
13025 host_extra_gcc_objs and host_xmake_file.
13026 (<*-*-linux*>): Don't overwrite host_xmake_file.
13027 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
13028 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
13029 (host_detect_local_cpu): Declare.
13030 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
13031 * config/i386/i386.c (override_options): Handle -mtune=native
13033 * config/i386/x-i386: New file.
13034 * config/i386/driver-i386.c: New file.
13035 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
13038 2006-05-09 Dirk Mueller <dmueller@suse.de>
13039 Richard Guenther <rguenther@suse.de>
13041 PR middle-end/27498
13042 * fold-const.c (fold_read_from_constant_string): Relax check
13043 for matching types to matching modes.
13045 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
13047 PR rtl-optimization/27335
13048 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
13051 2006-05-08 Chao-ying Fu <fu@mips.com>
13052 Richard Sandiford <richard@codesourcery.com>
13054 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
13055 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
13056 * config/mips/mips.md (UNSPEC_SCC): New constant.
13057 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
13058 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
13059 (mips_emit_compare): Use it.
13060 (mips_expand_vcondv2sf): New function.
13062 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
13064 Fix PR tree-optimization/27093
13065 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
13066 renaming when they become not-used_alone.
13068 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13070 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
13071 relocation and relocation stubs.
13073 2006-05-08 Eric Christopher <echristo@apple.com>
13075 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
13078 2006-05-08 Jan Hubicka <jh@suse.cz>
13080 PR middle-end/24561
13081 * cgraphunit.c (decide_is_function_needed): When not optimizing even
13082 unused static functions are needed.
13084 2006-05-08 Roger Sayle <roger@eyesopen.com>
13087 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
13088 of a reg_equiv_constant if the result is a legitimate constant.
13090 2006-05-08 Uros Bizjak <uros@kss-loka.si>
13093 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
13094 standard 80387 constants, raise the cost to prevent
13095 compress_float_constant() to generate load from memory.
13097 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
13099 * config/arm/constraints.md (c): Fix a typo.
13101 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
13104 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
13107 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
13109 (_mm_mwait): Likewise.
13111 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
13113 (sse3_monitor): Make it 32bit only.
13114 (sse3_monitor64): New. 64bit monitor.
13116 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13119 * config/i386/i386.c (classify_argument): Skip fields with invalid
13122 2006-05-07 Richard Guenther <rguenther@suse.de>
13124 PR tree-optimization/27409
13125 * tree-ssa-structalias.c (get_constraint_for_component_ref):
13126 Do not try to find zero-sized subvars.
13128 2006-05-07 Richard Guenther <rguenther@suse.de>
13130 PR tree-optimization/27136
13131 * tree-ssa-loop-niter.c (get_val_for): Correct function
13132 comment, assert requirements.
13133 (loop_niter_by_eval): Stop processing if the iterated
13134 value did not simplify.
13136 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
13138 * opts.c (flag_see): remove its setting at -O3.
13140 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
13142 * genpeep.c (main): Make insn-peep.c depend on flags.h.
13143 * arm/constraints.md: New file.
13144 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
13145 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
13146 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
13147 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
13148 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
13149 (EXTRA_MEMORY_CONSTRAINT): Likewise.
13150 * arm.md: Include constraints.md.
13151 (thumb_movsi_insn): Use satisfies_constraint_J.
13152 (movhi, movqi): Use satisfies_constraint_I.
13154 2006-04-29 Anatoly Sokolov <aesok@post.ru>
13156 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
13157 for atmeg a645 device.
13159 2006-05-06 Richard Guenther <rguenther@suse.de>
13161 PR tree-optimization/27151
13162 * tree-vect-transform.c (vectorizable_condition): Punt on
13163 values that have a different type than the condition.
13165 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
13168 * c-parser.c (c_parser_cast_expression): Only insert casts into
13169 hash table if pointer.
13170 * function.c (used_types_insert_helper): Rename from
13172 (used_types_insert): Call used_types_insert_helper.
13173 * function.h (used_types_insert): Accept only one argument.
13175 2006-05-05 David Edelsohn <edesohn@gnu.org>
13177 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
13178 scratch with output modifier.
13180 2006-05-04 David Edelsohn <edelsohn@gnu.org>
13183 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
13184 with output modifier.
13186 2006-05-04 Richard Sandiford <richard@codesourcery.com>
13189 * config/mips/mips.c (mips_symbolic_address_p): Return true
13190 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
13191 SYMBOL_GOTTPREL, and SYMBOL_TLS.
13193 2006-05-04 Richard Guenther <rguenther@suse.de>
13195 PR tree-optimization/14287
13196 PR tree-optimization/14844
13197 PR tree-optimization/19792
13198 PR tree-optimization/21608
13199 PR tree-optimization/27090
13200 * tree-ssa-pre.c (try_combine_conversion): New function.
13201 (compute_avail): After constructing the value-handle
13202 expression, use try_combine_conversion to combine NOP_EXPRs
13203 with previous value-handle expressions and use the result if it
13206 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
13208 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
13210 2006-05-04 Jan Hubicka <jh@suse.cz>
13212 PR middle-end/25962
13213 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
13215 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
13217 * config/bfin/predicates.md (const01_rtx): Tell generator programs
13218 that this only matches CONST_INTs. All users changed to VOIDmode
13221 * config/bfin/bfin.c: Include "optabs.h".
13222 (bfin_rtx_costs): Some costs for vector operations, to allow combine
13224 (enum bfin_builtins): Add a number of fractional and vector builtins.
13225 (bfin_init_builtins): Likewise.
13226 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
13227 (safe_vector_operand, bfin_expand_binop_builtin,
13228 bfin_expand_unop_builtin): New functions.
13229 (bfin_expand_builtin): Handle the new builtins.
13230 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
13233 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
13236 * Makefile.in (OBJS-common): Add see.o.
13237 (see.o): Add dependencies.
13238 * common.opt (fsee): New flag for the see optimization was added.
13239 * opts.c (flag_see): Initialized.
13240 * passes.c (init_optimization_passes, pass_see): New pass.
13241 * rtl.h (see_main): Declaration as extern.
13242 * timevar.def (TV_SEE): New.
13243 * tree-pass.h (pass_see): Declaration as extern.
13244 * invoke.texi (-fsee): Document.
13245 * recog.c (validate_simplify_insn): New function.
13246 * recog.h (validate_simplify_insn): Declaration as extern.
13247 * df-problems.c (df_chain_dump): Check for NULL.
13249 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
13250 Daniel Berlin <dberlin@dberlin.org>
13252 * cfgrtl.c (insert_insn_bb_end_new): New function.
13253 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
13255 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
13257 * df.h (struct web_entry): Moved from web.c.
13258 (union_defs): Declaration as extern.
13259 (unionfind_root): Likewise.
13260 (unionfind_union): Likewise.
13261 * web.c (struct web_entry): Moved to df.h.
13262 (unionfind_root): Remove static declaration.
13263 (unionfind_union): Likewise.
13264 (union_defs): Likewise and generalize to use callback function.
13265 (web_main): Update arguments for union_defs function call.
13267 2006-05-04 Richard Guenther <rguenther@suse.de>
13269 PR tree-optimization/26447
13270 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
13271 produce SSA_NAME copies before the store stmt to avoid
13272 breaking exception handling.
13274 2006-05-04 Jakub Jelinek <jakub@redhat.com>
13276 PR middle-end/27388
13277 * gimplify.c (omp_is_private): If var is shared in some outer context,
13278 return false instead of true. Stop searching on parallel context
13281 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
13284 * coverage.c: Use get_gcov_unsigned_t() instead of
13285 unsigned_type_node all over.
13287 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
13289 PR tree-optimization/27381
13290 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
13291 maintain the same immediate_use links.
13292 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
13293 node rather than segfaulting.
13295 2006-05-03 Jakub Jelinek <jakub@redhat.com>
13298 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
13299 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
13300 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
13302 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
13304 Fix PR tree-optimization/26626
13305 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
13307 * tree-ssa-operands.c (access_can_touch_variable): Allow
13308 typecasting through union pointers.
13310 2006-05-02 Jakub Jelinek <jakub@redhat.com>
13313 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
13314 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
13315 to find if var will be a global variable even in the nested context.
13316 (omp_copy_decl): Only check for global variable at the end, it might
13317 be overridden in outer contexts.
13318 (scan_sharing_clauses): For global variables don't create a field.
13319 (lower_rec_input_clauses): Do nothing for global shared variables.
13320 Emit a barrier at the end of ILIST if there were any decls in both
13321 firstprivate and lastprivate clauses.
13322 (lower_send_clauses): Do nothing for global variables except for
13325 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
13327 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
13328 of the correct signedness is returned.
13330 2006-05-02 Jeff Law <law@redhat.com>
13332 PR tree-optimization/27364
13333 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
13334 multiply expressions.
13336 2006-05-02 Tom Tromey <tromey@redhat.com>
13338 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
13340 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
13343 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
13344 -mthumb -fPIC are used.
13346 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
13347 Joshua Kinard <kumba@gentoo.org>
13350 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
13351 with 64-bit pointers.
13353 2006-05-02 Paul Brook <paul@codesourcery.com>
13355 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
13357 (create_fix_barrier): Check that a suitable barrier location is
13359 (arm_reorg): Include ftmp->address in allowable range of addresses.
13361 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
13364 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
13367 2006-05-02 Jakub Jelinek <jakub@redhat.com>
13369 PR middle-end/27337
13370 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
13371 around RESULT_DECL for result passed by reference.
13372 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
13373 * omp-low.c (use_pointer_for_field): Don't look at
13374 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
13375 (scan_omp_1): Call remap_decl on RESULT_DECLs.
13376 (lower_rec_input_clauses): Don't allocate VLA memory for the second
13377 time or var for passing by reference for
13378 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
13379 TREE_ADDRESSABLE variables when passing by reference.
13381 * omp-low.c (dump_omp_region): Fix output formatting.
13383 PR middle-end/27328
13384 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
13385 (expand_omp_parallel): Likewise.
13386 * tree-cfg.c (move_sese_region_to_fn): Likewise.
13388 PR middle-end/27325
13389 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
13390 on statement list containing also constructors and destructors.
13391 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
13393 PR middle-end/27310
13394 * except.c (duplicate_eh_regions): Fix clearing of
13395 cfun->eh->region_array entries.
13397 2006-05-01 DJ Delorie <dj@redhat.com>
13399 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
13401 (gcc_cv_objdump): Likewise.
13402 * configure: Regenerated.
13404 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
13407 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
13408 templates for case 3 and 4.
13410 2006-05-01 DJ Delorie <dj@redhat.com>
13412 * vec.c: Include bconfig.h when appropriate.
13413 * Makefile.in (build/vec.o): Adjust dependencies.
13414 * mkconfig.sh: Make sure config.h isn't used for build machine
13417 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13419 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
13421 (mark_phi_for_rewrite): New function.
13422 (insert_phi_nodes_for, mark_use_interesting): Call
13423 mark_phi_for_rewrite.
13424 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
13425 (update_ssa): Initialize and free phis_to_rewrite.
13427 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13429 PR rtl-optimization/27291
13430 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
13431 folded to a constant.
13433 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13435 PR tree-optimization/27283
13436 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
13437 not whole # of iteration descriptions.
13438 (niter_for_exit): Return just # of iterations. Fail if # of iterations
13439 uses abnormal ssa name.
13440 (niter_for_single_dom_exit): Ditto.
13441 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
13442 return just the number of iterations.
13444 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13446 PR tree-optimization/27144
13447 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
13448 (record_estimate): Only record constant upper bound.
13449 (infer_loop_bounds_from_undefined): Call
13450 compute_estimated_nb_iterations just once.
13451 (proved_non_wrapping_p): Renamed to ...
13452 (n_of_executions_at_most): ... this. Expect bound to be a constant.
13453 (convert_step_widening, scev_probably_wraps_p): Call
13454 n_of_executions_at_most instead of proved_non_wrapping_p.
13455 (substitute_in_loop_info): Do not replace values in bounds.
13456 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
13459 2006-05-01 Richard Henderson <rth@redhat.com>
13462 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
13463 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
13466 2006-05-01 Roger Sayle <roger@eyesopen.com>
13468 * c-typeck.c (parser_build_binary_op): Don't call the function
13469 unsigned_conversion_warning to spot operand/result type overflow.
13470 (build_binary_op): Instead, call convert_and_check instead of
13471 convert to report the problem when the operands are promoted.
13472 * c-common.c (unsigned_conversion_warning): Make static.
13473 * c-common.h (unsigned_conversion_warning): Delete prototype.
13475 2006-05-01 Richard Guenther <rguenther@suse.de>
13477 PR tree-optimization/26726
13478 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
13480 (find_interesting_uses_address): ... we work around here
13481 by folding INDIRECT_REFs in the substituted base.
13483 2006-05-01 Diego Novillo <dnovillo@redhat.com>
13485 * omp-low.c (dump_omp_region): Add newlines.
13487 2006-04-30 Roger Sayle <roger@eyesopen.com>
13489 * common.opt (Woverflow): New command line option.
13490 * c-common.c (constant_expression_warning): Check warn_overflow.
13491 (overflow_waring): Pass OPT_Woverflow to warning.
13492 (unsigned_conversion_warning): Likewise.
13493 (convert_and_check): Likewise.
13494 * doc/invoke.texi: Document new command line option.
13496 2006-04-30 David Edelsohn <edelsohn@gnu.org>
13498 * config/rs6000/rs6000.c (rs6000_override_options): Enable
13499 TARGET_NO_FP_IN_TOC for section anchors.
13500 (optimization_options): Enable section anchors for all
13501 non-"Objective" languages.
13503 2006-04-28 Eric Christopher <echristo@apple.com>
13505 * config/darwin-c.c (darwin_ms_struct): Move this
13506 (darwin_set_default_type_attributes): and this...
13507 * config/darwin.c: ... here.
13508 * config/darwin.h (darwin_ms_struct): Declare.
13510 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
13512 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
13514 2006-04-28 Roger Sayle <roger@eyesopen.com>
13517 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
13518 (push_array_bounds): Delete prototype. Change BOUNDS argument to
13519 an unsigned HOST_WIDE_INT.
13520 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
13522 (really_start_incremental_init): No need to call convert because
13523 bitsize_zero_node is already of type bitsizetype.
13524 (push_init_level): Extract the value of constructor_index as an
13525 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
13526 (process_init_element): Likewise.
13528 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
13530 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
13531 value before passing to make_relative_prefix.
13533 2006-04-28 Alan Modra <amodra@bigpond.net.au>
13535 PR middle-end/27260
13536 * builtins.c (expand_builtin_memset): Expand val in original mode.
13538 2006-04-27 Eric Christopher <echristo@apple.com>
13540 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
13541 with #ifndef/#endif.
13542 * config/darwin-c.c (darwin_ms_struct): New.
13543 (darwin_pragma_ms_struct): Ditto.
13544 (darwin_set_default_type_attributes): Ditto.
13545 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
13546 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
13547 Register ms_struct pragma.
13548 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
13549 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
13550 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
13551 darwin_set_default_type_attributes if TARGET_MACHO.
13553 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
13555 PR tree-optimization/26854
13556 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
13557 * doc/tree-ssa.texi: Update immuse iterator documentation.
13558 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
13559 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
13560 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
13561 first_safe_imm_use, next_safe_imm_use): Remove.
13562 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
13563 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
13564 (move_use_after_head): New. Helper function to sort immuses in a stmt.
13565 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
13566 (first_imm_use_stmt): New. Get first stmt in an immuse list.
13567 (next_imm_use_stmt): New. Get next stmt in an immuse list.
13568 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
13569 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
13570 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
13571 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
13572 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
13573 (perfect_nestify): Use new iterator.
13574 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
13576 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
13577 (next_imm_name): New field in struct immediate_use_iterator_d.
13578 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
13579 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
13580 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
13581 * tree-cfg.c (replace_uses_by): Use new iterator.
13582 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
13583 * tree-ssa-operands.c (correct_use_link): Remove.
13584 (finalize_ssa_use_ops): No longer call correct_use_link.
13586 2006-04-27 Stuart Hastings <stuart@apple.com>
13588 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
13589 * config/t-darwin (crt3.o): Use it.
13590 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
13591 'pmode', use Pmode instead of SImode for SYMBOL_REF.
13592 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
13593 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
13594 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
13597 2006-04-27 Roger Sayle <roger@eyesopen.com>
13599 * expmed.c (store_fixed_bit_field): If we're not optimizing for
13600 size, force the intermediate into a new pseudo rather instead of
13601 performing both a bitwise AND and a bitwise IOR in memory.
13603 2006-04-27 Richard Guenther <rguenther@suse.de>
13605 PR rtl-optimization/26685
13606 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
13607 this one "max-flow-memory-locations".
13609 2006-04-27 Richard Guenther <rguenther@suse.de>
13611 PR tree-optimization/25148
13612 * tree-vrp.c (compare_values): Remove code dealing with
13613 comparisons against type min/max value. Honour overflow
13614 and negative constants in code dealing with comparisons
13615 of plus and minus expressions.
13616 (value_inside_range): Use fold_binary with LE_EXPR and
13617 GE_EXPR rather than compare_values.
13619 2006-04-27 Dirk Mueller <dmueller@suse.de>
13621 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
13624 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
13626 * basic-block.h (safe_insert_insn_on_edge): Removed.
13627 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
13629 2006-04-26 David Edelsohn <edelsohn@gnu.org>
13630 Paolo Bonzini <bonzini@gnu.org>
13632 PR middle-end/27282
13633 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
13634 (simplify_and_const_int): Same.
13636 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
13638 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
13640 2006-04-26 Jakub Jelinek <jakub@redhat.com>
13643 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
13644 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
13645 cgraph_global_info_ready.
13647 PR middle-end/26913
13648 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
13651 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
13652 either decl or init is error_mark_node.
13654 PR middle-end/25989
13655 * tree-flow.h (struct omp_region): Add sched_kind.
13656 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
13657 instead of extracting omp for data.
13658 (expand_omp_for): Save extracted sched_kind.
13660 2006-04-25 Roger Sayle <roger@eyesopen.com>
13662 * expmed.c (store_bit_field): Also check whether the bitsize is
13663 valid for the machine's "insv" instruction before moving the
13664 target into a pseudo for use with the insv.
13665 * config/i386/predicates.md (const8_operand): New predicate.
13666 * config/i386/i386.md (extv, extzv, insv): Use the new
13667 const8_operand predicate where appropriate.
13669 2006-04-25 DJ Delorie <dj@redhat.com>
13671 * doc/install.texi (Specific): Clarify that this is not a list of
13672 supported hosts or targets.
13674 2006-04-25 Richard Sandiford <richard@codesourcery.com>
13676 PR rtl-optimization/26725
13677 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
13678 block's BB_DIRTY flag.
13680 2006-04-25 Geoffrey Keating <geoffk@apple.com>
13682 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
13685 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
13686 to print an integer.
13688 2006-04-25 David Edelsohn <edelsohn@gnu.org>
13690 * varasm.c (align_variable): New function.
13691 (get_block_for_decl): Apply align_variable to DECL before
13692 calculating section information.
13693 (assemble_variable): Split out alignment computation.
13695 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
13697 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
13700 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
13702 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
13703 MODE_PARTIAL_INT mode.
13704 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
13705 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
13707 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
13708 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13710 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
13712 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13714 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
13715 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
13716 MACFLAG_IH): Likewise.
13717 (movstricthi_1): Renamed from "*movstricthi".
13718 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
13719 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
13720 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
13721 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13722 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13723 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13724 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13725 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13726 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13727 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13728 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13729 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13730 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13731 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13732 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13734 * doc/rtl.texi (ss_ashift): Improve wording.
13736 2006-04-24 Geoffrey Keating <geoffk@apple.com>
13738 * dwarf2out.c (verify_marks_clear): New.
13739 (prune_unused_types): Call verify_marks_clear initially, not
13742 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
13744 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
13745 * doc/rtl.texi: Document them.
13746 * simplify-rtx.c (simplify_unary_operation,
13747 simplify_binary_operation_1): Don't abort when we see them.
13749 2006-04-24 Mark Mitchell <mark@codesourcery.com>
13752 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13753 * configure.ac: Completely disregard languages that are not
13755 * configure: Regenerated.
13757 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13758 Richard Guenther <rguenther@suse.de>
13760 PR tree-optimization/27236
13761 * tree-inline.c (copy_body_r): Make sure to copy
13762 TREE_THIS_VOLATILE flag.
13764 2006-04-24 Richard Guenther <rguenther@suse.de>
13766 PR middle-end/26869
13767 * tree-complex.c (update_parameter_components): Don't handle
13768 unused parameters which have no default def.
13770 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13771 Richard Guenther <rguenther@suse.de>
13773 PR tree-optimization/27218
13774 * tree-inline.c (expand_call_inline): Strip useless type
13775 conversions for the return slot address.
13777 2006-04-24 Richard Guenther <rguenther@suse.de>
13779 * cfgloop.h (struct loops): Remove unused field array. Reorder
13781 (LOOP_PREFETCH): Remove.
13783 2006-04-24 Richard Guenther <rguenther@suse.de>
13785 PR tree-optimization/22525
13786 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13787 variable, adjust types of generated expressions.
13789 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
13791 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13792 (tree-vect-patterns.o): Likewise.
13793 (jump.o): Likewise.
13794 (cselib.o): Likewise.
13795 (loop-doloop.o): Likewise.
13796 (regclass.o): Likewise.
13797 (reload1.o): Likewise.
13798 (explow.o): Replace target.h with $(TARGET_H).
13799 (ipa-prop.o): Likewise.
13800 (ipa-cp.o): Likewise.
13801 (ipa-inline.o): Likewise.
13802 (reorg.o): Likewise.
13803 (reg-stack.o): Likewise.
13805 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13807 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13809 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13811 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13813 * configure.ac: Completely disregard languages that are not
13815 * configure: Regenerated.
13818 * c-common.h (c_build_bitfield_integer_type): Declare.
13819 * c-decl.c (c_build_bitfield_integer_type): Move to ...
13820 * c-common.c (c_build_bitfield_integer_type): ... here.
13822 2006-04-23 Roger Sayle <roger@eyesopen.com>
13825 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13826 a SImode SUBREG of a floating point register after no_new_pseudos.
13828 2006-04-23 Roger Sayle <roger@eyesopen.com>
13830 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13831 identify potentially eliminable registers to additionally catch
13832 VIRTUAL_INCOMING_ARGS_REGNUM.
13833 (addsi3): Update the conditions on when to use addsi_small_int.
13835 2006-04-23 Roger Sayle <roger@eyesopen.com>
13838 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13839 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13840 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13842 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13844 * fold-const.c (range_predecessor): Use operand_equal_p
13845 as the predicate for equality.
13846 (range_successor): Likewise.
13848 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13851 * config/soft-fp/op-common.h: Fix a typo.
13853 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13855 PR libmudflap/26864
13856 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13857 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13859 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13861 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13863 * doc/tm.texi: Fix a typo.
13865 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13867 * dwarf2out.c (struct die_struct): Document that die_sib makes
13868 a circular linked list.
13869 (FOR_EACH_CHILD): New.
13870 (reverse_die_lists): Delete.
13871 (reverse_all_dies): Delete.
13872 (add_dwarf_attr): Correct documentation.
13873 (remove_child_with_prev): New.
13874 (remove_child_TAG): Update for change to die_struct, use
13875 remove_child_with_prev.
13876 (add_child_die): Update for change to die_struct.
13877 (splice_child_die): Use remove_child_with_prev and add_child_die.
13878 (print_die): Use FOR_EACH_CHILD.
13879 (die_checksum): Likewise.
13880 (assign_symbol_names): Likewise.
13881 (output_location_lists): Likewise.
13882 (build_abbrev_table): Likewise.
13883 (calc_die_sizes): Likewise.
13884 (mark_dies): Likewise.
13885 (unmark_dies): Likewise.
13886 (unmark_all_dies): Likewise.
13887 (output_die): Likewise.
13888 (prune_unused_types_mark): Likewise.
13889 (prune_unused_types_walk): Likewise.
13890 (same_die_p): Update for change to die_struct.
13891 (break_out_includes): Likewise.
13892 (prune_unused_types_prune): Likewise.
13893 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13894 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13895 it's already clear.
13896 (dwarf2out_finish): Don't call reverse_all_dies.
13898 2006-04-21 Eric Christopher <echristo@apple.com>
13900 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13901 in comments and function names.
13903 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13906 * c-typeck.c (digest_init): Robustify.
13908 * c-typeck.c (pop_init_level): Simplify.
13910 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13912 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13914 2006-04-21 Paul Brook <paul@codesourcery.com>
13916 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13917 hardware floating point.
13919 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13921 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13924 2006-04-21 Nick Clifton <nickc@redhat.com>
13926 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13929 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13932 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13933 C++ lang type in traceback table for Objective-C++.
13935 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13937 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13939 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13941 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13944 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13945 were errors. Remove check for erroneous objects.
13947 2006-04-20 Jeff Law <law@redhat.com>
13949 PR tree-optimization/26854
13950 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13951 checking for zero or one use.
13952 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13953 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13954 * tree-ssa-reassoc.c (negate_value): Similarly.
13955 (reassociate_bb): Similarly.
13957 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13960 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13961 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13962 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13964 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13966 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13967 fp regs if the last fp arg doesn't fit in regs.
13969 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13972 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13973 that the last insn has the REG_INC note.
13975 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13976 Nathan Sidwell <nathan@codesourcery.com>
13979 * stor-layout.c (update_alignment_for_field): Do not align
13981 (place_union_field): Place union field at the start of the union.
13982 (place_field): Move ERROR_MARK check later, and use the current
13983 allocation position to maintain monotonicity.
13985 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13987 * dominance.c: Include timevar.h.
13988 (calculate_dominance_info): Use TV_DOMINANCE.
13989 * timevar.def (TV_DOMINANCE): New timevar.
13990 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13992 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13994 PR rtl-optimization/14261
13995 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13996 move would be an INSV insn.
13997 (noce_process_if_block): Don't optimize if the destination is a
13998 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
14000 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
14002 * config/s390/s390.md: Add comments with the instructions emitted
14003 by an insn pattern if macros are used.
14005 2006-04-19 Alan Modra <amodra@bigpond.net.au>
14007 PR rtl-optimization/26026
14008 * fold-const.c (fold_binary): Optimize div and mod where the divisor
14009 is a known power of two shifted left a variable amount.
14011 2006-04-18 Geoffrey Keating <geoffk@apple.com>
14013 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
14014 to hash table twice when the debug_str section has SECTION_MERGE.
14016 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
14018 * config/soft-fp: New directory. From glibc.
14019 * config/soft-fp/t-softfp: New.
14020 * config/soft-fp/README: New.
14021 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
14022 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
14023 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
14024 (LIBGCC_DEPS): Add $(SFP_MACHINE).
14025 * config.gcc: Use rs6000/t-fprules-fpbit or
14026 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
14028 * config/rs6000/sfp-machine.h: New. Based on glibc.
14029 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
14031 * config/rs6000/t-fprules: Remove fp-bit rules.
14032 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
14033 * config/rs6000/t-linux64: Likewise. Remove duplicates from
14034 LIB2FUNCS_EXTRA. Remove fp-bit rules.
14035 (softfp_wrap_start, softfp_wrap_end): New.
14037 2006-04-18 DJ Delorie <dj@redhat.com>
14039 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
14041 2006-04-18 Devang Patel <dpatel@apple.com>
14043 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
14045 2006-04-18 Nick Clifton <nickc@redhat.com>
14047 * config/sh/t-symbian: Add rule to build sh-c.o
14048 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
14049 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
14050 (sh_symbian_encode_section_info): Likewise.
14052 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
14054 * builtins.c (expand_builtin_strcmp): Cover label definition of
14055 do_libcall with HAVE_cmpstrnsi.
14057 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
14059 * function.c (temp_slots_at_level, max_slot_level): Use VEC
14061 * function.h (temp_slot_p): New.
14062 (function): Change the type of x_used_temp_slots to
14063 VEC(temp_slot_p,gc) *.
14065 2006-04-18 Nick Clifton <nickc@redhat.com>
14067 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
14068 flag_strength_reduce.
14070 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
14072 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
14076 Partial revert of revision 112637
14077 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14078 Dale Johannesen <dalej@apple.com>
14081 * regclass.c (struct reg_pref): Update documentation.
14082 (regclass): Set prefclass to NO_REGS if memory is the best option.
14083 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14085 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
14087 PR tree-optimization/26821
14088 * tree-ssa-math-opts.c (get_constant_one): New.
14089 (insert_reciprocals): Use it.
14091 2006-04-17 Geoffrey Keating <geoffk@apple.com>
14093 * dwarf2out.c (free_AT): Delete.
14094 (remove_AT): Update string ref counts.
14095 (remove_child_TAG): Don't call free_die.
14096 (free_die): Delete.
14097 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
14098 or DW_TAG_GNU_EINCL.
14099 (prune_unused_types_walk_attribs): Reset string refcounts.
14100 (prune_unused_types_update_strings): New.
14101 (prune_unused_types_prune): Don't make unnecessary stores. Don't
14102 call free_die. Do call prune_unused_types_update_strings.
14103 (prune_unused_types): Empty debug_str_hash.
14105 2006-04-17 Roger Sayle <roger@eyesopen.com>
14107 * expr.c (expand_assignment): Optimize away no-op moves where the
14108 source and destination are equal and have no side-effects.
14110 2006-04-17 Richard Guenther <rguenther@suse.de>
14113 * reload.c (push_reload): Guard calls to get_secondary_mem
14114 for memory subregs.
14116 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
14118 * alias.c (reg_base_value, old_reg_base_value): Change the
14119 type to VEC(rtx,gc) *.
14120 (REG_BASE_VALUE, find_base_value, record_set,
14121 init_alias_analysis): Use VEC instead of VARRAY.
14123 * alias.c (alias_sets): Change the type to
14124 VEC(alias_set_entry,gc) *.
14125 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
14126 VEC instead of VARRAY.
14127 (last_alias_set): Remove.
14129 * cgraph.h (cgraph_edge_p): New.
14130 Update the prototype of cgraph_function_versioning.
14131 * cgraphunit.c (cgraph_copy_node_for_versioning,
14132 cgraph_function_versioning): Use VEC instead of VARRAY.
14133 * ipa-cp.c (ipcp_insert_stage): Likewise.
14135 2006-04-16 Roger Sayle <roger@eyesopen.com>
14138 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
14139 "A op B" or "A op C", we may need to convert A to the type of B and C.
14141 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
14143 * target.h (struct gcc_target): Add mode_rep_extended.
14144 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
14145 (init_num_sign_bit_copies_in_rep): Initialize it using
14147 (truncate_to_mode): Use it.
14148 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
14149 * targhooks.h (default_mode_rep_extended): Declare it.
14150 * targhooks.c (default_mode_rep_extended): Define it.
14151 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
14152 default_mode_rep_extended.
14153 (TARGET_INITIALIZER): Include it.
14154 * doc/tm.texi (Misc): Document it.
14155 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
14156 (mips_truncated_to_mode): New function.
14158 2006-04-16 Roger Sayle <roger@eyesopen.com>
14160 PR middle-end/25474
14161 * expr.c (compress_float_constant): Copy the narrow constant into
14162 a new pseudo before extending it to its final width.
14164 2006-04-16 Roger Sayle <roger@eyesopen.com>
14165 Andrew Pinski <pinskia@gcc.gnu.org>
14166 Dale Johannesen <dalej@apple.com>
14169 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
14170 special case code to implement V8HImode and V16QImode with SSE2.
14172 2006-04-15 Roger Sayle <roger@eyesopen.com>
14174 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
14175 trees are constructed with a suitable tree type.
14177 2006-04-15 Roger Sayle <roger@eyesopen.com>
14179 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
14180 (integer_onep): Likewise.
14181 (integer_all_onesp): Likewise.
14182 (integer_pow2p): Likewise.
14183 (integer_nonzerop): Likewise.
14184 (real_zerop): Likewise.
14185 (real_onep): Likewise.
14186 (real_twop): Likewise.
14187 (real_minus_onep): Likewise.
14188 (int_size_in_bytes): Likewise.
14189 (host_integerp): Likewise.
14191 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
14193 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
14194 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
14195 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
14197 * tree-ssa-structalias.h (alias_info): Remove num_references.
14199 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14201 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
14202 (output_bvb patterns): Likewise.
14203 * pa.c (output_bb): Use 'bb' insn for long branch case.
14204 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
14205 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
14206 1. Correct length operand for alternatives 1 and 2.
14207 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
14208 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
14210 2006-04-14 Roger Sayle <roger@eyesopen.com>
14212 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
14213 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
14214 were accidentally reverted by r112959.
14216 2006-04-15 Jakub Jelinek <jakub@redhat.com>
14218 PR middle-end/26823
14219 * except.h (eh_region_outermost): New prototype.
14220 * except.c (eh_region_outermost): New function.
14221 * tree-cfg.c (find_outermost_region_in_block): Use it.
14223 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
14225 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
14227 * reload1.c (reg_equiv_memory_loc_varray): Rename to
14228 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
14229 (init_reload, reload): Use VEC instead of VARRAY.
14230 * reload.h: Update the prototype for
14231 reg_equiv_memory_loc_varray.
14233 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
14234 Eric Botcazou <ebotcazou@libertysurf.fr>
14236 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
14237 register save area.
14239 2005-04-13 Uros Bizjak <uros@kss-loka.si>
14241 PR middle-end/27134
14242 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
14243 to expand fallback builtin function call.
14245 2006-04-14 Alan Modra <amodra@bigpond.net.au>
14247 PR middle-end/27095
14248 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
14249 and emit libcall here in case the builtin fails.
14250 (expand_builtin_strcmp): Always emit the libcall here on failure.
14252 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
14254 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
14255 * flow.c (reg_n_info): Change the type to
14256 VEC(reg_info_p,heap) *.
14257 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
14259 * regs.h (reg_info_p): New.
14260 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
14261 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
14262 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
14265 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
14267 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
14269 * params.h (MAX_SCHED_READY_INSNS): New macro.
14270 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
14271 past MAX_SCHED_READY_INSNS during the first scheduling pass.
14272 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
14273 the ready list for 1 cycle during the first scheduling pass.
14274 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
14276 2006-04-13 Richard Henderson <rth@redhat.com>
14279 * gimple-low.c (lower_omp_directive): Remove dead code.
14280 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
14281 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
14282 * omp-low.c (struct omp_region): Move to tree-flow.h.
14283 (root_omp_region): Export.
14284 (omp_regions, lookup_omp_region): Remove.
14285 (determine_parallel_type): Update for struct omp_region changes.
14286 (dump_omp_region): Dump regions with block numbers.
14287 (new_omp_region): Take type and block instead of stmt; malloc
14289 (free_omp_region_1, free_omp_regions): New.
14290 (expand_parallel_call): Take entry_stmt as argument; update for
14291 changes to omp_region.
14292 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
14293 (remove_exit_barriers): New.
14294 (expand_omp_parallel): Update for struct omp_region changes.
14295 (expand_omp_synch): Likewise.
14296 (expand_omp): Likewise.
14297 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
14298 (expand_omp_for_static_chunk): Likewise.
14299 (expand_omp_for): Likewise.
14300 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
14301 (expand_omp_sections): Similarly, with GOMP_sections_end.
14302 (expand_omp_single): New.
14303 (build_omp_regions_1): Update for OMP_CONTINUE.
14304 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
14305 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
14306 OMP_SECTIONS_SECTIONS.
14307 (lower_omp_single_simple): Don't emit barrier here.
14308 (lower_omp_single_copy): Likewise.
14309 (lower_omp_single): Fix bindings, and lower to straightline now.
14310 (lower_omp_master, lower_omp_ordered): Likewise.
14311 (lower_omp_critical): Likewise.
14312 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
14313 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
14314 omp edges, free it afterward.
14315 (make_omp_sections_edges): Remove.
14316 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
14317 (move_stmt_r): Handle OMP_CONTINUE.
14318 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
14319 statement pointers to basic blocks. Add type member.
14320 (root_omp_region, new_omp_region, free_omp_regions): Declare.
14321 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
14322 * tree-inline.c (estimate_num_insns_1): Likewise.
14323 * tree-pretty-print.c (dump_generic_node): Likewise.
14324 * tree-ssa-operands.c (get_expr_operands): Likewise.
14325 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
14326 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
14327 (OMP_CONTINUE): New.
14328 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
14329 (OMP_SECTIONS_SECTIONS): Remove.
14330 (OMP_SECTION_LAST): New.
14331 (OMP_RETURN_NOWAIT): New.
14333 2006-04-13 Roger Sayle <roger@eyesopen.com>
14335 * fold-const.c (native_encode_vector, native_interpret_real):
14336 Correct obvious mistakes in the previous check-in.
14338 2006-04-13 Roger Sayle <roger@eyesopen.com>
14340 * fold-const.c (native_encode_expr): New function to encode
14341 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
14342 or VECTOR_CST into a specified buffer.
14343 (native_encode_int): New function.
14344 (native_encode_real): New function.
14345 (native_encode_complex): New function.
14346 (native_encode_vector): New function.
14347 (native_interpret_expr): Inverse of native_encode_expr to convert
14348 a target representation into an INTEGER_CST, REAL_CST etc...
14349 (native_interpret_int): New function.
14350 (native_interpret_real): New function.
14351 (native_interpret_complex): New function.
14352 (native_interpret_vector): New function.
14353 (fold_view_convert_expr): New function to constant fold/evaluate
14354 a VIEW_CONVERT_EXPR of a suitable constant expression.
14355 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
14356 Change call of build1 to fold_build1 when constructing a
14359 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
14360 Ulrich Weigand <uweigand@de.ibm.com>
14363 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
14366 2006-04-13 Alan Modra <amodra@bigpond.net.au>
14369 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
14370 optimize to lo_sum for DFmode if !TARGET_FPRS.
14372 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
14374 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
14375 delete_alias_info, compute_flow_sensitive_aliasing,
14376 group_aliases): Use VEC instead of VARRAY.
14377 * tree-ssa-structalias.c (update_alias_info): Likewise.
14378 * tree-ssa-structalias.h (alias_info): Change the type of
14379 processed_ptrs to VEC(tree,heap) *.
14381 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
14384 * config/sh/lib1funcs.h: New file, broken out of:
14385 * config/sh/lib1funcs.asm.
14386 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
14388 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
14389 * config/sh/lib1funcs-Os-4-200.asm: New file.
14390 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
14391 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
14392 (EXTRA_MULTILIB_PARTS): Include it.
14393 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
14394 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
14395 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
14396 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
14399 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
14401 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
14402 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
14403 tpa_compact, root_var_init, type_var_init): Use VEC instead of
14405 * tree-ssa-live.h: Include vecprim.h.
14406 (tree_partition_associator_d): Change the type of
14407 first_partition to VEC(int,heap) *.
14408 (tpa_first_partition): Use VEC instead of VARRAY.
14410 * Makefile.in (GTFILES): Move functions.h after tree.h.
14411 * function.c (reset_block_changes, record_block_change,
14412 check_block_change, free_block_changes): Use VEC instead of
14414 * function.h (function): Change the type of
14415 ib_boundaries_block to VEC(tree,gc) *.
14416 * tree-inline.c (copy_cfg_body): Initialize
14417 ib_boundaries_block to NULL instead of (varray_type) 0.
14419 2006-04-12 Roger Sayle <roger@eyesopen.com>
14421 * expr.c (emit_group_store): Correct operand order in call to
14422 subreg_lowpart_offset. Always create paradoxical SUBREGs with
14423 a SUBREG_BYTE of zero.
14425 2006-04-12 Richard Guenther <rguenther@suse.de>
14427 * profile.c (compute_branch_probabilities): Remove code
14428 encapsulated in !ir_type (), which are remanents of the
14429 removed RTL profiling code.
14430 * rtl-profile.c: Remove.
14432 2006-04-12 Alan Modra <amodra@bigpond.net.au>
14434 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
14435 magic NULL_RTX comment.
14436 (function_arg): Store entire fp arg to mem if any part should go
14438 (rs6000_arg_partial_bytes): Adjust for above change.
14440 2006-04-11 Roger Sayle <roger@eyesopen.com>
14442 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
14443 if it hasn't been initialized by dwarf2out_init.
14445 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
14447 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
14448 symbolic constants in branch patterns.
14450 2006-04-11 Roger Sayle <roger@eyesopen.com>
14452 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
14454 2006-04-11 Richard Sandiford <richard@codesourcery.com>
14456 PR rtl-optimization/27073
14457 * gcse.c (try_replace_reg): Revert last change. Continue to search
14458 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
14461 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
14463 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
14464 aggregate types other than record and union types.
14465 (function_arg): Likewise.
14466 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
14468 (function_value): In 64-bit mode, return objects that require it
14471 2006-04-11 Roger Sayle <roger@eyesopen.com>
14473 * dwarf2out.c (premark_used_types): Remove problematic prototype.
14475 2006-04-11 Jakub Jelinek <jakub@redhat.com>
14477 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
14479 2006-04-03 Jeff Law <law@redhat.com>
14482 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
14483 alias information too.
14485 2006-04-10 Mike Frysinger <vapier@gentoo.org>
14487 * Makefile.in (gcc-cross): Add $(exeext) to target name.
14489 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
14492 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
14493 (premark_used_types_helper): New.
14494 (premark_used_types): New.
14495 (gen_subprogram_die): Call premark_used_types.
14496 (prune_unused_types_walk): Do not prune perennial dies.
14497 * function.c (used_types_insert): New.
14498 * function.h (struct function): Add used_types_hash field.
14499 (used_types_insert): Add prototype.
14500 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
14501 * c-parser.c (c_parser_cast_expression): Save casted types in used
14504 2006-04-11 Mark Mitchell <mark@codesourcery.com>
14507 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
14508 rs6000_explicit_options.float_gprs.
14510 2006-04-10 Roger Sayle <roger@eyesopen.com>
14512 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
14513 from ix86_expand_vector_init_low_nonzero. Take an additional
14514 one_var argument indicating which element is non-zero. Support
14515 one_var != 0 for V4SFmode and V4SImode by permuting the result.
14516 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
14517 with one_var instead of ix86_expand_vector_init_low_nonzero.
14519 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
14521 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
14522 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
14523 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
14524 build/genextract.o): Depend on vecprim.h.
14525 * cfglayout.c, df-problems.c, function.c, genextract.c,
14526 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
14527 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
14531 2006-04-10 Geoffrey Keating <geoffk@apple.com>
14533 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
14534 Declare VECs of this type.
14535 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
14536 (remove_children): Delete.
14537 (add_dwarf_attr): Use VEC routines.
14538 (add_AT_flag): Update for changes to add_dwarf_attr.
14539 (add_AT_int): Likewise.
14540 (add_AT_unsigned): Likewise.
14541 (add_AT_long_long): Likewise.
14542 (add_AT_vec): Likewise.
14543 (add_AT_string): Likewise.
14544 (add_AT_die_ref): Likewise.
14545 (add_AT_fde_ref): Likewise.
14546 (add_AT_loc): Likewise.
14547 (add_AT_loc_list): Likewise.
14548 (add_AT_addr): Likewise.
14549 (add_AT_lbl_id): Likewise.
14550 (add_AT_lineptr): Likewise.
14551 (add_AT_macptr): Likewise.
14552 (add_AT_offset): Likewise.
14553 (add_AT_range_list): Likewise.
14554 (get_AT): Use VEC_iterate.
14555 (remove_AT): Use VEC_ordered_remove.
14556 (free_die): Fold remove_children into here; have it use VEC_iterate.
14557 (print_die): Use VEC_iterate on attrs.
14558 (reverse_die_lists): Don't reverse attr lists.
14559 (die_checksum): Use VEC_iterate on attrs.
14560 (same_die_p): Likewise.
14561 (output_location_lists): Likewise.
14562 (build_abbrev_table): Likewise.
14563 (size_of_die): Likewise.
14564 (unmark_all_dies): Likewise.
14565 (output_abbrev_section): Likewise.
14566 (output_die): Likewise.
14567 (prune_unused_types_walk_attribs): Likewise.
14569 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14571 * doc/install.texi (*-*-solaris2*): Point to the configure page.
14573 2006-04-10 Jakub Jelinek <jakub@redhat.com>
14576 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
14578 2006-04-09 Roger Sayle <roger@eyesopen.com>
14580 * expr.c (store_constructor): Don't bother clearing target if
14581 we're about to assign a vector to it using vec_init_optab.
14583 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
14585 * tree-ssa-alias.c (lhs_may_store_to): New function.
14586 (recalculate_used_alone): Handle LHS of calls.
14588 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14592 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
14593 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
14594 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
14595 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
14596 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
14597 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
14598 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
14599 stubs. Add ".align 8" directives before all ".dword" directives.
14600 (GTHREAD_USE_WEAK): Revise comment.
14601 (TARGET_ATTRIBUTE_WEAK): Define.
14602 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
14603 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
14604 * stublib.c: New file.
14609 * pa.md (cbranch patterns): Revise arguments used in calls to
14610 output_cbranch, output_bb and output_bvd. Add long branch length
14612 (fbranch patterns): Handle long branches.
14613 (jump): Revise length check. Revise arguments for output_lbranch call.
14614 Add long branch length attributes.
14615 (decrement_and_branch_until_zero): Add long branch length attributes.
14616 (output_movb, output_parallel_addb and output_parallel_movb patterns):
14617 Likewise. Revise arguments for output_parallel_addb and
14618 output_parallel_movb calls.
14619 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
14620 output_parallel_movb and output_parallel_addb): Update prototypes.
14621 * pa.c (output_cbranch): Revise arguments. Correct handling of
14622 nullification in long branches.
14623 (output_lbranch): Add new argument to control extraction of delay
14625 (output_bb): Handle long branches.
14626 (output_bvb, output_dbra, output_movb, output_parallel_movb,
14627 output_parallel_addb): Likewise.
14629 2006-04-09 Richard Sandiford <richard@codesourcery.com>
14631 PR rtl-optimization/27073
14632 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
14635 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
14637 * tree.h (tree_memory_tag): Add old_used_alone.
14638 (SMT_OLD_USED_ALONE): New macro.
14639 * tree-ssa-alias.c (recalculate_used_alone): Stop
14640 marking things for renaming unnecessarily.
14642 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
14644 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
14645 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
14646 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
14647 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
14648 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
14649 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
14650 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
14651 spelling convensions.
14652 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
14653 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
14654 typos. Follow spelling conventions.
14656 2006-04-07 DJ Delorie <dj@redhat.com>
14658 * config/m32c/m32c.c (m32c_function_arg): Structures are always
14659 passed on the stack.
14660 (m32c_init_cumulative_args): When a function returns a structure,
14661 always pass the pointer to that return area on the stack.
14662 (m32c_function_arg_advance): Don't increment the parameter number
14663 if we're processing the returned structure pointer.
14664 (pushm_info): Reverse order of registers.
14666 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
14668 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
14669 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14670 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
14671 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
14672 build_int_cst_type.
14673 * tree-chrec.c (chrec_fold_multiply_poly_poly,
14674 chrec_fold_multiply): Same.
14675 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
14676 force_expr_to_var_cost): Same.
14677 * tree-mudflap.c (mf_xform_derefs_1): Same.
14678 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
14680 2006-04-07 David Edelsohn <edelsohn@gnu.org>
14682 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
14683 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
14686 2006-04-07 Jan Hubicka <jh@suse.cz>
14688 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
14690 2006-04-07 Richard Guenther <rguenther@suse.de>
14692 PR tree-optimization/26135
14693 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
14694 loads for store copy-prop.
14695 (copy_prop_visit_stmt): Likewise.
14697 2006-04-05 Robert Millan <robertmh@gnu.org>
14699 * config/i386/linux.h: Add a comment to mark macros that are
14700 being overriden in config/k*bsd-gnu.h.
14701 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14703 * config/knetbsd-gnu.h: Ditto.
14705 2006-04-06 Jan Hubicka <jh@suse.cz>
14709 * coverage.c (coverage_checksum_string): Reorganize loop to not read
14712 2006-04-06 Mike Stump <mrs@apple.com>
14714 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
14715 for HAVE_nonlocal_goto to be consistent.
14716 (expand_builtin_nonlocal_goto): Likewise.
14717 (expand_builtin_strcmp): Use #ifdef instead of #if
14718 for HAVE_cmpstrnsi to be consistent.
14720 2006-04-05 DJ Delorie <dj@redhat.com>
14722 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14725 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
14727 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14728 got-relative addressing for anything but SImode.
14730 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14731 even if the calling function doesn't modify them.
14733 2006-04-05 Richard Guenther <rguenther@suse.de>
14735 PR tree-optimization/26919
14736 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14737 to cgraph_estimate_size_after_inlining.
14739 2006-04-05 Alan Modra <amodra@bigpond.net.au>
14741 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14743 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
14745 PR tree-optimization/26996
14746 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14747 VECTOR_TYPE variables.
14749 2006-04-05 Richard Guenther <rguenther@suse.de>
14751 PR tree-optimization/26763
14752 * fold-const.c (fold_comparison): Move folding of
14753 PTR + CST CMP PTR + CST ...
14754 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
14756 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
14758 * doc/install.texi (Prerequisites): Refine some wording on
14759 bootstrapping and ksh.
14760 Move the version numbers of DejaGnu here from the testing section
14761 and fix casing of names.
14762 Fix markup and clarify wording for autogen requirements.
14763 Refer to GCJ instead of just java.
14764 Refer to SVN instead of CVS.
14765 Describe diffutils as useful instead of necessary.
14766 (Downloading the source): Refer to SVN instead of CVS.
14767 Adjust a link to our web site accordingly.
14768 (Configuration): Fix casing of Bison.
14769 (Building): Refer to SVN instead of CVS.
14770 Fix a sentence on the use of Bison and remove duplicate (and
14771 incorrect) version number of Bison requirement.
14772 Remove one redundant list of packages needed for building.
14773 (Specific): Avoid reference to CVS.
14775 2006-04-04 Eric Christopher <echristo@apple.com>
14777 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14778 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14779 (rs6000_handle_struct_attribute): New.
14780 (rs6000_ms_bitfield_layout_p): Ditto.
14782 2006-04-04 Geoffrey Keating <geoffk@apple.com>
14784 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14785 NULL for dso parameter to atexit_common.
14787 2006-04-04 Eric Christopher <echristo@apple.com>
14789 * config/i386/i386.c (machopic_output_stub): Output \t
14790 between instructions and operands.
14792 2006-04-04 David Edelsohn <edelsohn@gnu.org>
14794 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14795 satisfies_constraint_[IL] to explicit tests on value.
14797 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
14799 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14800 set_nb_iterations_in_loop): Use build_int_cst instead of
14801 build_int_cst_type.
14802 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14803 build_int_cst instead of convert.
14805 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
14807 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14808 new value 2 for incoming.
14809 * function.c (expand_function_start): Call struct_value_rtx
14810 with incoming as 2.
14811 * config/sparc/sparc.md: Comment updated_return.
14812 * config/sparc/sparc.opt: Add -mstd-struct-return option.
14813 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14814 struct return if sparc_std_struct_return and incoming is 2.
14815 (print_operand): Do not adjust return if
14816 sparc_std_struct_return.
14818 2006-04-04 Roger Sayle <roger@eyesopen.com>
14820 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14821 convert in the middle-end.
14822 * expr.c (store_expr, store_constructor, get_inner_reference,
14823 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14825 * tree.c (build_range_type): Likewise.
14827 2006-04-04 Tom Tromey <tromey@redhat.com>
14829 * doc/install.texi (Prerequisites): Mention jar.
14831 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
14833 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14836 2006-04-04 Matthias Klose <doko@debian.org>
14838 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14842 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14845 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14847 * doc/extend.texi (Function Attributes): Rewrite visibility
14848 attribute documentation.
14849 * doc/invoke.texi (C++ Dialect Options): Rewrite
14850 -fvisibility-inlines-hidden documentation to describe something
14851 entirely different, although in practise compatible.
14852 (Code Gen Options): Warn about system headers in -fvisibility=
14855 * doc/extend.texi (Other Builtins): Document that
14856 __builtin_nan is a compile-time constant only when its argument
14859 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14861 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14862 trying to remove TRUNCATE check if all bits outside the new mode
14863 are identical to the sign bit.
14865 2006-04-03 Jeff Law <law@redhat.com>
14867 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14868 and operand scanning in some common cases.
14870 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14871 Dale Johannesen <dalej@apple.com>
14874 * regclass.c (struct reg_pref): Update documentation.
14875 (regclass): Set prefclass to NO_REGS if memory is the best option.
14876 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14877 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14878 into account. For non-registers, equate an empty preferred
14879 reload class to a `!' in the constraint; move the if clause to
14880 do so after those that reject the insn.
14881 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14883 (find_dummy_reload): Likewise.
14884 * doc/tm.texi (Register Classes): Document what it means
14885 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14886 * config/i386/i386.c (ix86_preferred_reload_class): Force
14887 using SSE registers (and return NO_REGS for floating-point
14888 constants) if math is done with SSE.
14889 (ix86_preferred_output_reload_class): New.
14890 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14891 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14892 * config/i386/i386.md: Remove # register preferences.
14894 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14897 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14898 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14899 the type of nb_iter.
14900 (instantiate_parameters_1): Convert the operands before calling
14901 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14902 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14904 2006-04-02 Roger Sayle <roger@eyesopen.com>
14906 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14907 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14908 instead of convert.
14909 * dojump.c (do_jump): Likewise.
14910 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14911 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14912 gimplify_boolean_expr): Likewise.
14913 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14914 * varasm.c (array_size_for_constructor): Likewise.
14915 * tree-object-size.c (compute_object_offset): Likewise.
14917 2006-04-02 Roger Sayle <roger@eyesopen.com>
14919 PR middle-end/26977
14920 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14921 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14923 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14925 PR tree-optimization/26939
14926 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14928 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14930 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14931 at_stmt. Convert the type of operands before calling
14932 build_polynomial_chrec.
14933 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14934 add_to_evolution_1.
14935 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14936 (instantiate_parameters_1): Convert the type of operands before calling
14937 build_polynomial_chrec.
14938 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14939 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14940 reset_evolution_in_loop): Insert asserts to check the types of the
14942 (chrec_type): Moved...
14943 (eq_evolutions_p): Use operand_equal_p.
14944 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14945 the types of the operands.
14946 (chrec_type): ...here.
14947 * tree-data-ref.c (create_data_ref): Convert the operands before
14948 calling chrec_replace_initial_condition.
14949 (same_access_functions, analyze_subscript_affine_affine,
14950 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14951 (compute_subscript_distance, analyze_ziv_subscript,
14952 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14953 analyze_miv_subscript): Convert the operands before calling
14954 chrec_fold_minus or chrec_fold_plus.
14956 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14958 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14959 the dependence_relations vector.
14960 (compute_data_dependences_for_loop): Adjust call to
14961 compute_all_dependences.
14963 2006-04-01 Roger Sayle <roger@eyesopen.com>
14964 Richard Henderson <rth@redhat.com>
14966 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14967 gimple_boolify on the condition before calling gimplify_expr.
14969 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14971 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14972 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14973 the frame size. Update to use the new macros.
14974 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14975 * config/xtensa/ieee754-df.S: Likewise.
14977 2006-03-31 Richard Henderson <rth@redhat.com>
14979 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14980 (make_edges): ... here. Control fallthru creation with a local
14981 variable. Do not play with fake edges.
14982 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14983 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14986 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14988 * dwarf2.h (DW64_CIE_ID): Define.
14989 * dwarf2out.c (DWARF_CIE_ID): Define.
14990 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14991 length header. Use DWARF_CIE_ID.
14992 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14993 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14995 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14997 * config/sh/linux-atomic.asm: New file.
14998 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
15000 2006-03-31 DJ Delorie <dj@redhat.com>
15002 * config/m32c/cond.md: Set condition flags properly throughout.
15003 * config/m32c/minmax.md: Likewise.
15004 * config/m32c/prologue.md: Likewise.
15005 * config/m32c/bitops.md: Likewise.
15006 * config/m32c/muldiv.md: Likewise.
15007 * config/m32c/mov.md: Likewise.
15008 * config/m32c/addsub.md: Likewise.
15009 * config/m32c/m32c.md: Likewise.
15010 * config/m32c/jump.md: Likewise.
15011 * config/m32c/shift.md: Likewise.
15013 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
15014 conditionally output the pattern for this.
15015 * config/m32c/m32c.c (flags_needed_for_conditional): New.
15016 (m32c_compare_redundant): New.
15017 (m32c_output_compare): New.
15018 * config/m32c/m32c-protos.h (m32c_output_compare): New.
15020 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
15021 dest, not src. Allow other 4-byte modes.
15023 2006-03-30 Denis Chertykov <denisc@overta.ru>
15025 * doc/md.texi: Refer to avr/constraints.md instead of
15028 2006-03-30 Roger Sayle <roger@eyesopen.com>
15030 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
15031 signed vs. unsigned comparison failures on some hosts.
15033 2006-03-31 Alan Modra <amodra@bigpond.net.au>
15036 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
15037 change to FLOAT_REGS.
15039 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
15040 (rs6000_override_options): Use it.
15041 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
15042 only for -mabi=spe/no-spe and -mabi=altivec.
15044 2006-03-30 Geoffrey Keating <geoffk@apple.com>
15046 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
15049 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
15051 * Makefile.in: Rename docdir to gcc_docdir.
15053 2006-03-30 Roger Sayle <roger@eyesopen.com>
15056 * expr.c (emit_group_store): Optimize group stores into a pseudo
15057 register by using a paradoxical subreg to initialize the destination
15058 if the first or last member of the group specifies a "low part".
15060 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15063 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
15064 * target.h (struct gcc_target.speculate_insn): Change type of the
15065 second parameter to 'int'.
15066 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
15067 the second operand of the DEPS_LIST.
15068 (copy_DEPS_LIST_list): Update reference to the second operand of the
15070 * rtl.h (alloc_DEPS_LIST): Update signature.
15071 * sched-int.h (ds_t): Change typedef to 'int'.
15072 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
15074 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15076 * haifa-sched.c (try_ready): Change condition to restore
15077 non-speculative pattern of the instruction.
15078 (process_insn_depend_be_in_spec): Code to keep probability of the
15079 speculative dependence non-decreasing.
15081 2006-03-30 Jie Zhang <jie.zhang@analog.com>
15083 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
15084 (single_move_for_movmem): ... this. Also change all uses.
15085 (bfin_expand_strmov): Renamed to...
15086 (bfin_expand_movmem): ... this. Also change all uses.
15087 * config/bfin/bfin.md (movstrsi): Renamed to...
15088 (movstrsi): ...this.
15090 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
15092 PR tree-optimization/26830
15094 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
15095 (copy_prop_visit_stmt): Remove write-only variable ann.
15096 (init_copy_prop): Check variable loop depth here. Do not simulate
15097 memory-tag and virtual operand PHIs except for store copy prop.
15099 2006-03-30 Richard Guenther <rguenther@suse.de>
15101 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
15102 variants with double arguments.
15104 2006-03-29 David Edelsohn <edelsohn@gnu.org>
15106 * genpreds.c (write_tm_constrs_h): Delete variable p.
15107 * genconditions.c (write_header): Add tm-constrs.h to included
15109 * genpeep.c (main): Add toplev.h to included headers.
15110 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
15111 (build/genpeep.o): Add toplev.h dependency.
15112 * config/rs6000/constraints.md: Add "W" constraint.
15114 2006-03-29 Roger Sayle <roger@eyesopen.com>
15116 * stor-layout.c (mode_for_size_tree): Remove restiction on type
15117 sizes by correctly testing whether the size fits a host integer.
15118 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
15119 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
15120 SImode range for the default sizetype and bitsizetype.
15122 2006-03-29 Roger Sayle <roger@eyesopen.com>
15124 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
15125 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
15126 quickly if the argument is already of the correct type.
15127 Call fold_build1 instead of build1. Tidy up blank lines.
15129 2006-03-29 David Edelsohn <edelsohn@gnu.org>
15131 * genemit.c (main): Add tm-constrs.h to included headers.
15132 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
15133 * genpeep.c (main): Add tm-constrs.h to included headers.
15134 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
15135 (write_tm_constrs_h): this and write complete file.
15136 (write_tm_preds_h): Do not emit satisfies_constraint fns.
15137 (write_insn_preds_c): Add tm-constrs.h to included headers.
15138 (gen_constrs): New variable.
15139 (parse_option): Parse "-c".
15140 (main): Invoke write_tm_constrs_h.
15141 * genrecog.c (write_header): Add tm-constrs.h to included headers.
15142 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
15143 (object_out_file): Add tm-constrs.h dependency.
15144 (insn-emit.o): Same.
15145 (insn-output.o): Same.
15146 (insn-peep.o): Same.
15147 (insn-preds.o): Same.
15148 (insn-recog.o): Same.
15149 (tm-constsr.h): New target.
15150 (s-constrs-h): New target.
15152 * config/rs6000/constraints.md: New file.
15153 * config/rs6000/rs6000.c: Include tm-constrs.h.
15154 (num_insn_constant_wide): Convert to satisfies_constraint.
15155 (rs6000_rtx_costs): Convert to satisfies_constraint.
15156 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
15157 (CONST_OK_FOR_LETTER_P): Delete.
15158 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15159 (EXTRA_CONSTRAINT): Delete.
15160 (EXTRA_MEMORY_CONSTRAINT): Delete.
15161 (EXTRA_ADDRESS_CONSTRAINT): Delete.
15162 * config/rs6000/predicates.md: Convert to satisfies_constraint.
15163 * config/rs6000/rs6000.md: Include constraints.md. Convert to
15164 satisfies_constraint.
15166 * config/i386/i386.c: Include tm-constrs.h.
15168 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
15170 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
15171 * tree-data-ref.c (find_data_references_in_loop,
15172 compute_data_dependences_for_loop): Use pointers to VEC.
15173 (analyze_all_data_dependences): Adjust calls.
15174 * tree-data-ref.h (find_data_references_in_loop,
15175 compute_data_dependences_for_loop): Adjust declarations.
15176 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
15177 compute_data_dependences_for_loop.
15179 2006-03-29 Paul Brook <paul@codesourcery.com>
15181 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
15182 (movdf_vfp): Ditto.
15184 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
15186 PR tree-optimization/26859
15187 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
15189 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
15190 for the step after fold_convert.
15192 2006-03-29 Paul Brook <paul@codesourcery.com>
15194 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
15195 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
15197 2006-03-29 Paul Brook <paul@codesourcery.com>
15199 PR middle-end/23623
15200 * targhooks.c (default_narrow_bitfield): New fuction.
15201 * targhooks.h (default_narrow_bitfield): add prototype.
15202 * target.h (gcc_target): Add narrow_volatile_bitfield.
15203 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
15204 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
15205 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
15206 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
15208 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
15210 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
15212 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
15213 (NR_C_MODES): Add TDmode, DDmode and SDmode.
15214 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
15215 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
15216 (s390_function_arg_float): Allow SDmode and DDmode values to be
15217 passed in floating point registers.
15218 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
15219 check with SCALAR_FLOAT_MODE_P.
15220 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
15222 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
15224 PR tree-optimization/25985
15225 * tree-ssa-loop-niter.c (number_of_iterations_le,
15226 number_of_iterations_ne): Make comments more precise.
15227 (number_of_iterations_cond): Add only_exit argument. Use the
15228 fact that signed variables do not overflow only when only_exit
15230 (loop_only_exit_p): New.
15231 (number_of_iterations_exit): Pass result of loop_only_exit_p to
15232 number_of_iterations_cond.
15234 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
15236 PR tree-optimization/26643
15237 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
15240 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
15242 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
15243 (divsi3_i4_int): Likewise.
15245 2006-03-28 Roger Sayle <roger@eyesopen.com>
15247 * expr.c (emit_group_store): Only create a new pseudo reg if the
15248 quantity it needs to hold isn't already a suitable pseudo.
15250 2006-03-28 Jeff Law <law@redhat.com>
15252 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
15253 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
15255 2006-03-28 Roger Sayle <roger@eyesopen.com>
15257 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
15258 the equivalent ~X & Y, and the symmetry related transformations.
15259 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
15260 ~X & Y, and symmetry related transforms.
15262 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15264 Revert my 2006-03-27 patches.
15266 2006-03-28 Roger Sayle <roger@eyesopen.com>
15268 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
15269 ~(T1)X, when T1 and T2 are integer types of the same precision
15270 and (T2)X isn't an extension.
15272 2006-03-28 Jeff Law <law@redhat.com>
15274 PR tree-optimization/26796
15275 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
15276 need EH edge cleanups rather than purging them immediately.
15277 (eliminate_degenerate_phis): Handle queued EH cleanups.
15279 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
15281 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
15284 2006-03-27 Roger Sayle <roger@eyesopen.com>
15286 PR middle-end/22524
15287 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
15288 cast BIT_NOT_EXPR operand to the correct type.
15290 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
15292 * tree-loop-linear.c: Don't include varray.h.
15293 (gather_interchange_stats, try_interchange_loops,
15294 linear_transform_loops): Use VEC instead of VARRAY.
15295 * lambda-mat.c: Don't include varray.h.
15296 * tree-chrec.c: Same.
15297 * lambda-trans.c: Same.
15298 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
15299 VEC instead of VARRAY.
15300 * tree-vectorizer.h: Idem.
15301 * tree-data-ref.c (dump_data_references,
15302 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
15303 initialize_data_dependence_relation, finalize_ddr_dependent,
15304 compute_all_dependences, find_data_references_in_loop,
15305 compute_data_dependences_for_loop, analyze_all_data_dependences,
15306 free_dependence_relation, free_dependence_relations,
15307 free_data_refs): Idem.
15308 * tree-data-ref.h (data_reference_p, subscript_p): New.
15309 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
15310 VEC instead of VARRAY.
15311 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
15312 (find_data_references_in_loop, compute_data_dependences_for_loop,
15313 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
15314 dump_data_dependence_relations, free_dependence_relations,
15315 free_data_refs): Adjust declaration.
15316 (lambda_transform_legal_p): Move declaration here...
15317 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
15318 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
15319 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
15320 vect_analyze_data_refs): Use VEC instead of VARRAY.
15321 * lambda.h (lambda_transform_legal_p): ...from here.
15322 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
15323 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
15324 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
15325 tree-chrec.o): Don't depend on VARRAY_H.
15327 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15329 * rtl.def (Copyright): Update date.
15330 (DEPS_LIST): Change type of the second operand to 'int'.
15331 * target.h (Copyright): Update date.
15332 (struct gcc_target.speculate_insn): Change type of the second parameter
15334 * lists.c (Copyright): Update date.
15335 (alloc_DEPS_LIST): Change signature. Update reference to the second
15336 operand of the DEPS_LIST.
15337 (copy_DEPS_LIST_list): Update reference to the second operand of the
15339 * rtl.h (Copyright): Update date.
15340 (alloc_DEPS_LIST): Update signature.
15341 * sched-int.h (Copyright): Update date.
15342 (ds_t): Change typedef to 'int'.
15343 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
15345 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15347 * haifa-sched.c (Copyright): Update date.
15348 (try_ready): Change condition to restore non-speculative pattern
15349 of the instruction.
15350 (process_insn_depend_be_in_spec): Code to keep probability of the
15351 speculative dependence non-decreasing.
15353 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
15355 * regrename.c (replace_oldest_value_addr): Initialize a variable to
15356 shut up the compiler.
15358 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
15360 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
15361 to use lib prefix for target.
15362 ($(T)libic_invalidate_array_4-200.a): Likewise.
15363 ($(T)libic_invalidate_array_4a.a): Likewise.
15365 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
15366 J"orn Rennecke <joern.rennecke@st.com>
15368 * superh.opt: New file.
15369 * sh.c (boardtype, osruntime): Remove.
15370 * superh.h (SUBTARGET_OPTIONS): Remove.
15371 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
15373 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
15374 arguments with ^ and/or [].
15376 * config.gcc (sh-*-*): Add quoting to account for quirk of
15378 Replace == with = in enable_incomplete_targets test.
15380 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
15381 with MASK_LITTLE_ENDIAN.
15383 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
15384 * config/sh/sh.opt: Added to some comments.
15385 * config/sh/superh.h: Removed some chaff.
15387 * config/sh/sh.opt: Add m4-[1234]00* options.
15388 * config/sh/sh.c (sh_handle_option): Likewise.
15389 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
15390 (ic_invalidate_array_4-100.o): New rule.
15391 ($(T)libic_invalidate_array_4-100.a): Likewise.
15392 (ic_invalidate_array_4-200.o): Likewise.
15393 ($(T)libic_invalidate_array_4-200.a): Likewise.
15394 (ic_invalidate_array_4a.o): Likewise.
15395 ($(T)libic_invalidate_array_4a.a): Likewise.
15396 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
15397 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
15399 * config/sh/crt1.asm: Merged in profiling code.
15400 * config/sh/superh.h (STARTFILE_SPEC): Override.
15401 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
15402 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
15403 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
15405 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
15406 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
15407 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
15409 * sh.opt (mpretend-cmove): New option.
15410 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
15411 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
15412 (movsicc): Add TARGET_PRETEND_CMOVE code.
15414 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
15416 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
15417 s390_class_max_nregs): New function prototypes.
15418 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
15419 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
15420 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
15421 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
15423 2006-03-26 Geoffrey Keating <geoffk@apple.com>
15425 * dwarf2out.c (add_location_or_const_value_attribute): Call
15426 tree_add_const_value_attribute if nothing else works.
15427 (reference_to_unused): New.
15428 (rtl_for_decl_init): Use reference_to_unused to decide whether
15429 to output an initializer.
15431 2006-03-27 Alan Modra <amodra@bigpond.net.au>
15434 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
15435 peephole removing spe frob_di_df_2.
15437 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
15439 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
15440 (subscript_dependence_tester_1): Declared.
15441 (print_dir_vectors, print_dist_vectors): New.
15442 (debug_data_dependence_relation): New.
15443 (dump_data_dependence_relation): Print more details.
15444 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
15445 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
15446 (save_dist_v, save_dir_v, add_outer_distances,
15447 build_classic_dist_vector_1): New.
15448 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
15449 Don't test for lambda_vector_lexico_pos.
15450 (same_access_functions, add_multivariate_self_dist,
15451 add_other_self_distances, dir_from_dist): New.
15452 (build_classic_dir_vector): Replace implementation almost identical to
15453 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
15455 (subscript_dependence_tester_1): New.
15456 (subscript_dependence_tester): Handle the lexicographically negative
15457 distance vectors by recomputing the dependence relation.
15458 (compute_affine_dependence): Remove parameter loop_nest_depth.
15459 (compute_self_dependence): Don't call compute_subscript_distance.
15460 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
15461 Add a parameter for the loop_nest.
15462 (find_loop_nest_1, find_loop_nest): New.
15463 (compute_data_dependences_for_loop): Compute the loop nest, and give
15464 up if the nest is not well formed.
15465 * tree-data-ref.h (loop_p): New.
15466 (struct data_dependence_relation): Replace size_vect field with
15467 loop_nest, a vec of loops.
15468 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
15469 (DDR_LOOP_NEST): New.
15470 (print_dir_vectors, print_dist_vectors,
15471 debug_data_dependence_relation): Declared.
15472 (index_in_loop_nest): New.
15473 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
15474 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
15477 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
15479 * simplify-rtx.c (simplify_relational_operation): Call
15480 simplify_relational_operation_1 even if mode is VOIDmode.
15482 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
15484 PR tree-optimization/26804
15485 * tree.h (DECL_CALL_CLOBBERED): New macro.
15486 (tree_decl_common): Add call_clobbered_flag.
15487 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
15488 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
15489 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
15490 (mark_non_addressable): Ditto.
15491 * tree-ssa.c (verify_call_clobbered): New function.
15492 (verify_alias_info): Use it.
15493 * tree-pass.h (pass_reset_cc_flags): New prototype.
15494 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
15495 (reset_cc_flags): New function.
15496 * passes.c (init_optimization_passes): Call reset_cc_flags after
15497 initializing referenced_vars.
15499 2006-03-25 Uros Bizjak <uros@kss-loka.si>
15500 Roger Sayle <roger@eyesopen.com>
15502 PR middle-end/26717
15503 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
15504 to 1.0 for non-real operands. Implement A / A optimization for
15507 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
15509 * config/i386/i386.c (size_cost): Correct the comment for
15510 cost of storing fp registers.
15511 (i386_cost): Likewise.
15512 (i486_cost): Likewise.
15513 (pentium_cost): Likewise.
15514 (pentiumpro_cost): Likewise.
15515 (k6_cost): Likewise.
15516 (athlon_cost): Likewise.
15517 (k8_cost): Likewise.
15518 (pentium4_cost): Likewise.
15519 (nocona_cost): Likewise.
15520 (generic64_cost): Likewise.
15521 (generic32_cost): Likewise.
15523 2006-03-24 Denis Chertykov <denisc@overta.ru>
15525 * config/avr/avr-protos.h (extra_constraint): Delete.
15526 (extra_constraint_Q): New declaration.
15527 * config/avr/constraints.md: New file.
15528 * config/avr/avr.md: Include it.
15529 (REG_X, REG_Y, REG_Z, REG_W): New constants.
15530 (TMP_REGNO, ZERO_REGNO): Likewise.
15531 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
15532 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
15533 (extra_constraint): Delete.
15534 (extra_constraint_Q): Test for memory constraint 'Q'.
15535 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
15536 (REG_CLASS_FROM_LETTER): Delete.
15537 (CONST_OK_FOR_LETTER_P): Delete.
15538 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15539 (EXTRA_CONSTRAINT): Delete.
15540 (TMP_REGNO): Delete.
15541 (ZERO_REGNO): Delete.
15543 2006-03-24 Jeff Law <law@redhat.com>
15545 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
15546 directly. Call mark_new_vars_to_rename slightly earlier.
15548 2006-03-24 Geoffrey Keating <geoffk@apple.com>
15550 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
15551 (is_cxx): Likewise.
15552 (gen_compile_unit_die): Use new language types for Objective-C and
15554 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
15555 DW_LANG_C_plus_plus.
15558 * config/t-darwin (crt3.o): Work around bug 26840.
15559 * config/darwin-crt3.c: Rewrite.
15560 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
15562 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
15564 * doc/invoke.texi: Document -femit-class-debug-always
15565 * common.opt: Add -femit-class-debug-always.
15567 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
15569 * config/s390/s390.c (s390_decompose_address): Allow SImode for
15570 index and base register.
15571 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
15572 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
15573 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
15574 REGNO_OK_FOR_INDEX_P.
15575 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
15577 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
15578 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
15579 REG_OK_FOR_BASE_P): Definitions removed.
15581 2006-03-24 Jakub Jelinek <jakub@redhat.com>
15583 PR middle-end/26611
15584 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
15585 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
15586 set yet or weren't marked as local yet.
15588 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
15590 * regrename.c (scan_rtx_address): Initialize a variable to shut up
15593 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
15595 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
15596 (rs6000_legitimate_small_data_p): Delete.
15597 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
15598 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
15599 and make static. Add forward declaration. Update uses.
15600 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
15601 of offsettable_memref_p.
15602 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
15603 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
15605 2006-03-24 Jeff Law <law@redhat.com>
15607 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
15608 around bug in immediate-use iterator.
15610 2006-03-24 Alan Modra <amodra@bigpond.net.au>
15613 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
15614 or __LITTLE_ENDIAN__.
15616 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
15618 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
15619 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
15620 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
15621 * config/sh/sh.opt (mdiv=): Amend description.
15622 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
15623 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
15624 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
15625 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
15626 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
15627 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
15628 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
15629 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
15630 TARGET_DIVIDE_CALL_FP.
15632 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15634 * haifa-sched.c (choose_ready): Fix type of the local variable.
15635 Move local variables. Add comment.
15636 (check_reg_live): Change signature. Make callable from debugger.
15637 * sched-int.h (check_reg_live): Update signature.
15638 * sched-ebb.c (check_reg_live): Update parameters.
15639 * sched-rgn.c (check_reg_live): Ditto.
15640 (region_head_or_leaf_p): Check pointer before dereferencing.
15641 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
15642 before reload on optimization levels below 1.
15644 2006-03-23 Richard Henderson <rth@redhat.com>
15646 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
15650 * config/alpha/predicates.md (local_symbolic_operand): Reject
15653 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
15656 * tree-ssa-pre.c (create_value_expr_from): Don't reject
15657 expressions which have overflowed constants.
15659 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15661 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
15663 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15665 * cfgloopmanip.c (create_loop_notes): Removed.
15666 * final.c (final_scan_insn): Do not handle loop notes.
15667 * jump.c (squeeze_notes): Ditto.
15668 * cfglayout.c (skip_insns_after_block,
15669 duplicate_insn_chain): Ditto.
15670 * cfgcleanup.c (rest_of_handle_jump2): Do not call
15672 * cfgloop.h (create_loop_notes): Declaration removed.
15674 2006-03-23 Richard Sandiford <richard@codesourcery.com>
15676 * varasm.c (output_constant_pool): Restore fnname and fndecl
15678 (assemble_start_function): Adjust call accordingly.
15679 (assemble_end_function): Likewise.
15681 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15684 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15687 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
15689 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15692 * system.h (ICE_EXIT_CODE): New macro.
15693 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
15694 (diagnostic_action_after_output): Likewise.
15695 * gcc.c (fatal_ice): New function.
15696 (execute): Use it instead of fatal.
15697 (fancy_abort): Likewise.
15698 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
15700 2006-03-22 Jeff Law <law@redhat.com>
15702 * loop-unroll.c (analyze_iv_to_split_insn): Handle
15703 iv_analyze_result returning false.
15705 2006-03-22 Jie Zhang <jie.zhang@analog.com>
15707 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
15709 2006-03-22 Richard Henderson <rth@redhat.com>
15711 PR middle-end/26084
15712 * except.c (duplicate_eh_regions_0): New.
15713 (duplicate_eh_region_1): Duplicate the children of the node as
15714 well as the node itself. Link them up properly.
15715 (duplicate_eh_region_2): Merge into ...
15716 (duplicate_eh_regions): ... here. Take copy_region argument, and
15717 copy only a sub-tree if asked. Simplify copying and fixup.
15718 (eh_region_outer_p): New.
15719 * except.h (duplicate_eh_regions): Update decl.
15720 (eh_region_outer_p): Declare.
15721 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15722 (lower_omp_master): Likewise.
15723 (lower_omp_ordered): Likewise.
15724 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
15725 (move_stmt_r): Use it to remap labels. Handle recursion vs
15726 remap_decls_p properly.
15727 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
15728 (find_outermost_region_in_block): New.
15729 (new_label_mapper): New.
15730 (move_sese_region_to_fn): Copy eh information to the new function
15732 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15734 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15737 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15739 * doc/md.texi (-mshared): Mention that -mshared code can be linked
15740 into shared libraries.
15742 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15744 * doc/md.texi: Refer to i386/constraints.md instead of
15745 i386/predicates.md.
15746 * config/i386/constraints.md: New file, extracted from...
15747 * config/i386/predicates.md: ...here.
15748 * config/i386/i386.md: Include constraints.md.
15750 2006-03-21 Jason Merrill <jason@redhat.com>
15752 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15754 PR middle-end/20297
15755 * expr.c (init_block_move_fn): Force default visibility.
15756 (init_block_clear_fn): Likewise.
15757 * builtins.c (expand_builtin_fork_or_exec): Likewise.
15758 * targhooks.c (default_external_stack_protect_fail): Likewise.
15760 2006-03-21 Richard Sandiford <richard@codesourcery.com>
15762 * config/mips/predicates.md (const_call_insn_operand): Allow direct
15763 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15764 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15765 Use TARGET_OLDABI instead of !TARGET_NEWABI.
15766 (loadgp): Use mips_current_loadgp_style.
15767 (loadgp_noshared): New pattern.
15768 (sibcall_internal): Use MIPS_CALL.
15769 (sibcall_value_internal): Likewise.
15770 (sibcall_value_multiple_internal): Likewise.
15771 (call_internal): Likewise.
15772 (call_value_internal): Likewise.
15773 (call_value_multiple_internal): Likewise.
15774 (call_split): Use MIPS_CALL and add an 'S' constraint.
15775 (call_value_split): Likewise.
15776 (call_value_multiple_split): Likewise.
15777 * config/mips/mips.opt (-mabicalls): Tweak docstring.
15778 (-mshared): New option.
15779 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15780 (mips_current_loadgp_style): Declare.
15781 * config/mips/mips.c (mips_classify_symbol): Avoid using
15782 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
15783 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15784 TARGET_ABSOLUTE_ABICALLS.
15785 (override_options): Adjust comments. Improve the warning that is
15786 issued when -mabicalls and -G are used together.
15787 (mips_file_start): Remove comment.
15788 (mips_current_loadgp_style): New function.
15789 (mips_gnu_local_gp): New variable.
15790 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
15792 (mips_output_function_prologue): Use mips_current_laodgp_style.
15793 (mips_expand_prologue): Call mips_emit_loadgp before emitting
15794 the cprestore instruction.
15795 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
15796 live for TARGET_ABSOLUTE_ABICALLS.
15797 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15798 (ASM_SPEC): Pass down -mshared and -mno-shared.
15799 (MIPS_CALL): New macro.
15800 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15802 * doc/invoke.texi (-mabicalls): Update documentation.
15803 (-mshared): Document.
15805 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15807 * config/ia64/unwind-hpux.c: New file.
15808 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15810 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15813 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15815 2006-03-21 Jeff Law <law@redhat.com>
15817 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15818 type conversions of a VR_VARYING source to a wider type.
15820 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15822 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15823 tm_file on Solaris 10 and later.
15824 (sparc64-*-solaris2*): Likewise.
15825 (sparc-*-solaris2*): Likewise.
15826 * config/sol26.h: Rename to config/sol2-6.h.
15827 * config/sol2-10.h: New file.
15829 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
15832 * tree-ssa-pre.c (create_component_ref_by_pieces):
15835 2006-03-21 Jakub Jelinek <jakub@redhat.com>
15838 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15839 return it immediately.
15841 2006-03-21 Michael Matz <matz@suse.de>
15843 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15845 (remove_arc, add_arc): Update num_out_arcs member.
15846 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15848 (cache_presence): New function.
15849 (compare_states_for_equiv): New function.
15850 (state_is_differed): Don't take number of outargs, adjust callers.
15851 Use new invariant for speeding up.
15852 (init_equiv_class): Create initial classes based on sorted
15854 (partition_equiv_class): Don't track out_arcs_num.
15855 (evaluate_equiv_classes): Call cache_presence on all states and
15858 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15860 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15861 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15862 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15863 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15865 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15866 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15867 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15868 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15869 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15871 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15872 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15873 (REGNO_REG_CLASS): ARGP is in PREGS.
15874 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15876 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15877 to deal with those addresses.
15878 * addresses.h: New file.
15879 * caller-save.c: Include "addresses.h".
15880 (init_caller_save): Use new base_reg_class function.
15881 * rtl-factoring.c: Include "addresses.h".
15882 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15883 * recog.c: Include "addresses.h".
15884 (preprocess_constraints): Use new base_reg_class function.
15885 * regrename.c: Include "addresses.h".
15886 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15887 functions. Keep track of a new var INDEX_CODE to compute valid
15889 (replace_oldest_value_addr): Likewise.
15890 (replace_oldest_value_mem): Use base_reg_class.
15891 * reload.c: Include "addresses.h".
15892 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15893 (find_reloads): Use new base_reg_class function.
15894 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15895 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15896 all callers and prototype changed.
15897 * reload1.c: Include "addresses.h".
15898 (maybe_fix_stack_asms): Use base_reg_class.
15899 * regclass.c: Include "addresses.h".
15900 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15901 (init_reg_autoinc): Use new base_reg_class function.
15902 (record_reg_classes): Likewise.
15903 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15904 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15905 Use new args to compute necessary class.
15907 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15908 regrename.o, rtl-factoring.o): Update dependencies.
15909 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15910 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15911 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15912 REG_OK_FOR_INDEX_P): Delete documentation.
15914 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15916 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15917 from V7 to V9 for Solaris 7 and above.
15919 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15921 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15922 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15923 argument pointers may not alias any other storage.
15924 * common.opt: Define option -fargument-noalias-anything.
15925 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15926 alias semantics is specified by flag_argument_noalias > 2.
15928 2006-03-20 Jeff Law <law@redhat.com>
15930 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15931 (pass_phi_only_cprop): Declare.
15932 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15933 with phi_only_cprop
15934 * tree-ssa-dom.c (degenerate_phi_result): New function.
15935 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15936 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15937 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15938 (eliminate_degenerate_phis): Likewise.
15939 (pass_phi_only_cprop): New pass descriptor.
15940 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15941 support code. Callers updated.
15942 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15943 (store_copy_prop): Likewise.
15944 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15946 2006-03-20 Jason Merrill <jason@redhat.com>
15949 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15950 (push_visibility, pop_visibility): Likewise.
15951 * c-pragma.h: Declare them.
15953 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15955 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15957 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15958 parameter and use get_ebb_head_tail.
15959 (sh_md_init_global): Adjust uses of find_regmode_weight.
15961 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15963 * function.h (struct function) <x_tail_recursion_reentry>:
15964 Rename to x_stack_check_probe_note.
15965 (tail_recursion_reentry): Rename to stack_check_probe_note.
15966 * function.c: Replace tail_recursion_reentry with
15967 stack_check_probe_note everywhere.
15968 (expand_function_start): Only emit a note for
15969 stack_check_probe_note with -fstack-protect.
15970 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15972 * emit-rtl.c (remove_unnecessary_notes): Remove.
15973 (pass_remove_unnecessary_notes): Remove.
15974 * rtl.h (remove_unnecessary_notes): Remove prototype.
15975 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15976 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15977 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15979 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15982 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15983 (valid_in_set): Handle ARRAY_REF.
15984 Change "if min_variant or VH" to asserts.
15985 (create_component_ref_by_pieces): Handle ARRAY_REF.
15986 (create_expression_by_pieces): Likewise.
15987 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15989 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15991 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15992 is operand of switch, not str[0].
15994 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15996 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15997 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15999 2006-03-19 David Edelsohn <edelsohn@gnu.org>
16001 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
16002 end of insn_extra_address_constraint declaration.
16004 2006-03-19 David Edelsohn <edelsohn@gnu.org>
16006 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
16007 (no-sum-in-toc): Same.
16008 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
16010 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
16011 NO_FP_IN_TOC for -fPIC instead of mask.
16013 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
16014 (BOOT_LDFLAGS): Delete.
16016 * config/rs6000/t-aix52: Same.
16018 * config/rs6000/rs6000.md (store_multiple_power): Delete.
16019 (stmsi[345678]_power): New.
16021 2006-03-17 Steve Ellcey <sje@cup.hp.com>
16023 * config/ia64/ia64.opt: Add empty line to end of file.
16025 2006-03-17 Richard Guenther <rguenther@suse.de>
16027 PR middle-end/26721
16028 * builtins.c (get_pointer_alignment): For component style references
16029 adjust alignment to the component type alignment. Make sure
16030 to adjust alignment for component access of constants.
16032 2006-03-17 David Edelsohn <edelsohn@gnu.org>
16034 * config/rs6000/rs6000.md (strlensi): Emit barrier after
16035 unconditional jump.
16037 2006-03-17 Paul Brook <paul@codesourcery.com>
16039 * doc/install.texi: Docuemnt --with-mode.
16040 * config.gcc: Add --with-mode for arm*-*-*.
16041 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
16043 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
16045 * sh.c (max_labelno_before_reorg): New variable.
16046 (sh_reorg): Initialize it.
16047 (find_barrier): Check max_labelno_before_reorg before using
16048 label_to_alignment. Take length of explicit alignment insns
16049 into account. When seeing a UNSPECV_CONST_END, return it.
16051 * sh.c (fixup_mova): Set mode of affected label to QImode.
16052 (untangle_mova): New function.
16053 (find_barrier): Use it. Check mode of label before decrementing
16055 (sh_reorg): Likewise.
16056 Set mode of all insns back to VOIDmode.
16058 * sh.c (MOVA_LABELREF): New macro.
16059 (mova_p, fixup_mova, sh_reorg): Use it.
16060 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
16061 ADDR_DIFF_VEC matches mova.
16063 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
16065 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
16066 with ATTRIBUTE_UNUSED.
16068 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
16070 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
16071 pointer, instead of assuming it is possible to derive the
16072 correct args size from a call insn.
16074 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16076 * rtl.h (CONST_INT_P): Define.
16077 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
16078 instead of GET_CODE(x) == CONST_INT.
16079 (vax_rtx_costs): Likewise.
16080 (vax_output_int_move): Likewise.
16081 (vax_output_int_add): Likewise.
16082 (legitimate_constant_address_p): Likewise.
16083 (index_term_p): Likewise.
16084 * config/vax/vax.h (PRINT_OPERAND): Likewise.
16085 * config/vax/vax.md (and<mode>3): Likewise.
16086 (ashrsi3): Likewise.
16088 (movstricthi): Likewise.
16089 (movstrictqi): Likewise.
16090 (rotrsi3): Likewise.
16091 (five unnamed insns): Likewise.
16093 2006-03-16 Geoffrey Keating <geoffk@apple.com>
16095 * doc/tm.texi (SDB and DWARF): Add extra parameter to
16096 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
16097 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
16098 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
16099 Pass to ASM_OUTPUT_DWARF_OFFSET.
16100 * dwarf2out.c (debug_frame_section): New.
16101 (output_call_frame_info): Use debug_frame_section. Pass it to
16102 dw2_asm_output_offset.
16103 (output_die): Pass appropriate section to dw2_asm_output_offset.
16104 (output_compilation_unit_header): Likewise.
16105 (output_pubnames): Likewise.
16106 (output_aranges): Likewise.
16107 (enum dw_val_class): Break dw_val_class_lbl_offset into
16108 dw_val_class_lineptr and dw_val_class_macptr.
16109 (add_AT_lbl_offset): Delete.
16110 (add_AT_lineptr): New.
16111 (add_AT_macptr): New.
16112 (AT_lbl): Expect a lineptr or macptr.
16113 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
16114 (attr_checksum): Likewise.
16115 (same_dw_val_p): Likewise.
16116 (size_of_die): Likewise.
16117 (value_format): Likewise.
16118 (output_die): Likewise.
16119 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
16121 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
16122 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
16123 * config/darwin-protos.h (darwin_file_start): New.
16124 (darwin_asm_output_dwarf_offset): New.
16125 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
16126 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
16128 * config/darwin.c (darwin_emit_unwind_label): Don't output label
16129 if not EH section; simplify.
16130 (darwin_file_start): New.
16131 (darwin_asm_output_dwarf_offset): New.
16132 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
16134 (DEBUG_INFO_SECTION): Likewise.
16135 (DEBUG_ABBREV_SECTION): Likewise.
16136 (DEBUG_ARANGES_SECTION): Likewise.
16137 (DEBUG_MACINFO_SECTION): Likewise.
16138 (DEBUG_LINE_SECTION): Likewise.
16139 (DEBUG_LOC_SECTION): Likewise.
16140 (DEBUG_PUBNAMES_SECTION): Likewise.
16141 (DEBUG_STR_SECTION): Likewise.
16142 (DEBUG_RANGES_SECTION): Likewise.
16143 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
16144 (ASM_OUTPUT_DWARF_OFFSET): New.
16146 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
16148 * config.gcc (tm_defines): Always add to previous value rather
16151 2006-03-16 Richard Sandiford <richard@codesourcery.com>
16153 * config/mips/predicates.md (splittable_const_int_operand): New,
16154 split from move_operand.
16155 (splittable_symbolic_operand): New.
16156 (move_operand): Add commentary. Use splittable_const_int_operand.
16157 Inline mips_atomic_symbolic_constant_p.
16158 * config/mips/mips.md: Add combine splitters for handling moves
16159 of splittable_const_int_operands and splittable_symbolic_operands.
16160 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
16161 (mips_split_symbol): Declare.
16162 (mips_move_integer): Declare.
16163 * config/mips/mips.c (mips_split_p): Make global.
16164 (TARGET_MIN_ANCHOR_OFFSET): Override default.
16165 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16166 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16167 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
16168 (mips_offset_within_object_p): Handle block symbols.
16169 (mips_atomic_symbolic_constant_p): Delete.
16170 (mips_cannot_force_const_mem): Return false for constants that
16171 mips_legitimize_move can handle.
16172 (mips_use_blocks_for_constant_p): New function.
16173 (mips_split_symbol): Make global.
16174 (mips_move_integer): Likewise. Add a temporary register argument.
16175 (mips_legitimize_const_move): Use splittable_const_int_operand and
16176 splittable_symbolic_operand.
16177 (mips_use_anchors_for_symbol_p): New function.
16178 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
16179 (mips_split_p): Declare.
16181 2006-03-16 Richard Sandiford <richard@codesourcery.com>
16183 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
16184 (mips*-*-linux*): Likewise.
16186 2006-03-16 Roger Sayle <roger@eyesopen.com>
16187 Daniel Speyer <dspeyer@wam.umd.edu>
16189 PR middle-end/18259
16190 * tree-dump.c (dump_real): New function.
16191 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
16192 * Makefile.in (REAL_H): New macro for dependencies on real.h.
16193 (tree-dump.o): Add $(REAL_H) to the dependencies.
16195 2006-03-16 Roger Sayle <roger@eyesopen.com>
16197 PR middle-end/21781
16198 * real.c (real_from_string): If the mantissa is zero, don't bother
16199 parsing the exponent as the result should always be zero.
16201 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
16203 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
16205 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16207 * config/ia64/ia64.c (stops_p): Added explicit initialization.
16208 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
16209 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
16210 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
16211 ia64_sched_finish_global): New static functions to implement
16212 hooks from gcc_target.sched.
16213 (spec_check_no, max_uid, pending_data_specs): New static variables.
16214 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
16215 ia64_spec_check_src_p): New static functions.
16216 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
16217 (TARGET_SCHED_ADJUST_COST): Removed.
16218 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
16219 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
16220 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16221 TARGET_SCHED_GEN_CHECK,
16222 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16223 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
16224 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
16225 Fixed to handle speculation checks.
16226 (rtx_needs_barrier): Fixed to handle speculative loads and
16228 (ia64_variable_issue): Added code to count speculative loads and their
16230 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
16232 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
16234 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
16236 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
16237 (ia64_reorg): Reset stops_p to NULL after it is freed.
16238 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
16239 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
16240 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
16242 (data_speculative, control_speculative, check_load): New attributes.
16243 (mov<mode>_advanced, mov<mode>_speculative,
16244 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
16245 zero_extend<mode>di2_speculative,
16246 zero_extend<mode>di2_speculative_advanced): New patterns for
16247 data and control speculative loads.
16248 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
16250 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
16251 New pattern for data and control speculation checks.
16252 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
16253 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
16254 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
16255 Auxiliary definitions for the patterns.
16256 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
16257 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
16259 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
16261 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
16262 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
16263 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
16264 New resource constraints.
16265 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
16267 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
16268 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
16269 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
16270 msched-in-control-spec, msched-ldc, msched-control-ldc,
16271 msched-spec-verbose, msched-prefer-non-data-spec-insns,
16272 msched-prefer-non-control-spec-insns,
16273 msched-count-spec-in-critical-path): New flags to tune speculative
16275 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
16276 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
16277 msched-in-control-spec, msched-ldc, msched-control-ldc,
16278 msched-spec-verbose, msched-prefer-non-data-spec-insns,
16279 msched-prefer-non-control-spec-insns,
16280 msched-count-spec-in-critical-path): Document new flags.
16282 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16284 * target.h (struct spec_info_def): New opaque declaration.
16285 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
16286 speculate_insn, needs_block_p, gen_check,
16287 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
16288 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
16289 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
16290 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
16291 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16292 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
16294 (TARGET_SCHED): Use new macros.
16295 * rtl.h (copy_DEPS_LIST_list): New prototype.
16296 * sched-int.h (struct sched_info): Change signature of new_ready field,
16297 adjust all initializations. New fields: add_remove_insn,
16298 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
16299 region_head_or_leaf_p.
16300 (struct spec_info_def): New structure declaration.
16301 (spec_info_t): New typedef.
16302 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
16303 recovery_block, orig_pat.
16304 (glat_start, glat_end): New variables declaraions.
16305 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
16307 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
16308 DETACH_LIFE_INFO, USE_GLAT.
16309 (enum SPEC_SCHED_FLAGS): New enumeration.
16310 (NOTE_NOTE_BB_P): New macro.
16311 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
16312 attach_life_info, debug_spec_status, check_reg_live): New functions.
16313 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
16314 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
16316 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
16317 * ddg.c (get_block_head_tail): Adjust all uses.
16318 * modulo-sched.c (get_block_head_tail): Adjust all uses.
16319 (sms_sched_info): Initialize new fields.
16320 (contributes_to_priority): Removed.
16321 * haifa-sched.c (params.h): New include.
16322 (get_block_head_tail): Adjust all uses.
16323 (ISSUE_POINTS): New macro.
16324 (glat_start, glat_end): New global variables.
16325 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
16326 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
16327 old_last_basic_block, before_recovery, current_sched_info_var,
16328 rgn_n_insns, luid): New static variables.
16329 (insn_cost1): New function. Move logic from insn_cost to here.
16330 (find_insn_reg_weight1): New function. Move logic from
16331 find_insn_reg_weight to here.
16332 (reemit_notes, move_insn, max_issue): Change signature.
16333 (move_insn1): Removed.
16334 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
16335 extend_bb): New static functions to support extension of scheduler's
16337 (generate_recovery_code, process_insn_depend_be_in_spec,
16338 begin_speculative_block, add_to_speculative_block,
16339 init_before_recovery, create_recovery_block, create_check_block_twin,
16340 fix_recovery_deps): New static functions to support
16341 generation of recovery code.
16342 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
16343 restore_bb_notes, move_block_after_check, move_succs): New static
16344 functions to support ebb scheduling.
16345 (init_glat, init_glat1, attach_life_info1, free_glat): New static
16346 functions to support handling of register live information.
16347 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
16348 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
16349 add_jump_dependencies): New static functions.
16350 (check_cfg, has_edge_p, check_sched_flags): New static functions for
16351 consistancy checking.
16352 (debug_spec_status): New function to call from debugger.
16353 (priority): Added code to handle speculation checks.
16354 (rank_for_schedule): Added code to distinguish speculative instructions.
16355 (schedule_insn): Added code to handle speculation checks.
16356 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
16357 Fixed to handle ebbs.
16358 (move_insn): Added code to handle ebb scheduling.
16359 (max_issue): Added code to use ISSUE_POINTS of instructions.
16360 (choose_ready): Added code to choose between speculative and
16361 non-speculative instructions.
16362 (schedule_block): Added code to handle ebb scheduling and scheduling of
16363 speculative instructions.
16364 (sched_init): Initialize new variables.
16365 (sched_finish): Free new variables. Print statistics.
16366 (try_ready): Added code to handle speculative instructions.
16367 * lists.c (copy_DEPS_LIST_list): New function.
16368 * sched-deps.c (extend_dependency_caches): New function. Move logic
16369 from create_dependency_caches to here.
16370 (get_dep_weak, ds_merge): Make global.
16371 * genattr.c (main): Code to output prototype for
16372 dfa_clear_single_insn_cache.
16373 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
16374 (output_dfa_clean_insn_cache_func): Code to output
16375 dfa_clear_single_insn_cache function.
16376 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
16378 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
16380 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
16381 New static variables.
16382 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
16383 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
16385 (ebb_sched_info): Initialize new fields.
16386 (get_block_head_tail): Adjust all uses.
16387 (compute_jump_reg_dependencies): Fixed to use glat_start.
16388 (schedule_ebb): Code to remove unreachable last block.
16389 (schedule_ebbs): Added code to update register live information.
16390 * sched-rgn.c (region_sched_info): Initialize new fields.
16391 (get_block_head_tail): Adjust all uses.
16392 (last_was_jump): Removed. Adjust users.
16393 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
16394 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
16395 Implement new hooks.
16396 (check_dead_notes1): New static function.
16397 (struct region): New fields: dont_calc_deps, has_real_ebb.
16398 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
16399 (BB_TO_BLOCK): Fixed to handle EBBs.
16400 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
16401 (ebb_head): New static variable.
16402 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
16403 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
16405 (compute_dom_prob_ps): New assertion.
16406 (check_live_1, update_live_1): Fixed to work with glat_start instead of
16407 global_live_at_start.
16408 (init_ready_list): New assertions.
16409 (can_schedule_ready_p): Split update code to begin_schedule_ready.
16410 (new_ready): Add support for BEGIN_CONTROL speculation.
16411 (schedule_insns): Fixed code that updates register live information
16413 (schedule_region): Fixed to handle EBBs.
16414 (init_regions): Use extend_regions and check_dead_notes1.
16415 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
16416 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
16417 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
16418 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16419 TARGET_SCHED_GEN_CHECK,
16420 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16421 TARGET_SCHED_SET_SCHED_FLAGS): Document.
16422 * doc/invoke.texi (max-sched-insn-conflict-delay,
16423 sched-spec-prob-cutoff): Document.
16425 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16427 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
16428 inter_tick, queue_index.
16429 (struct sched_info): Change signature of init_ready_list field.
16430 Adjust all initializations.
16431 (RESOLVED_DEPS): New access macro.
16432 (ready_add): Remove prototype.
16433 (try_ready): Add prototype.
16434 * sched-rgn.c (init_ready_list): Use try_ready.
16435 (schedule_region): Initialize
16436 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
16437 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
16438 (init_ready_list): Use try_ready.
16439 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
16440 * lists.c (remove_list_elem): Remove `static'.
16441 (remove_free_INSN_LIST_elem): New function.
16442 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
16443 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
16444 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
16446 (readyp): New variable.
16447 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
16448 change_queue_index, resolve_dep): New static functions.
16449 (try_ready): New function. Adjust callers in sched-rgn.c and
16450 sched-ebb.c to use it instead of ready_add.
16451 (clock_var): Move at the begining of file.
16452 (rank_for_schedule): Fix typo.
16453 (queue_insn): Add assertion. Handle QUEUE_INDEX.
16454 (ready_lastpos): Enforce assertion.
16455 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
16456 update all callers.
16457 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
16458 (schedule_insn): Rewrite to use try_ready and resolve_dep.
16459 (queue_to_ready): Use free_INSN_LIST_list.
16460 (early_queue_to_ready): Fix typo.
16461 (schedule_block): Init readyp. Move init_ready_list call after the
16462 initialization of clock_var. Fix error in rejecting insn by
16463 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
16464 that previously corrected INSN_TICKs. Add code for handling
16466 (set_priorities): Fix typo.
16467 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
16468 Clarify comment and code that keeps current_sched_info->next_tail
16471 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16473 * sched-rgn.c (extend_rgns): New static function.
16474 (find_rgns): Use it.
16475 (gather_region_statistics, print_region_statistics): New static
16477 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
16478 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
16480 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16481 Andrey Belevantsev <abel@ispras.ru>
16483 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
16484 * lists.c (unused_deps_list): New variable.
16485 (free_list): Add assertions to verify the proper distinguishing
16486 between INSN_LISTs and DEPS_LISTs.
16487 (find_list_elem, remove_list_elem, remove_list_node): New static
16489 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
16490 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
16491 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
16492 (alloc_INSN_LIST): Assert that the list we're working on is indeed
16494 (free_INSN_LIST_node): Likewise.
16495 * modulo-sched.c (current_sched_info): Initialize flags field.
16496 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
16497 * rtl.def (DEPS_LIST): Define.
16498 * rtl.h: Declare new functions from lists.c.
16499 * sched-deps.c (spec_dependency_cache): New static variable.
16500 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
16501 (add_dependence): Change return type to void. Move the logic to ...
16502 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
16503 (delete_all_dependences): Add comment about forward_dependency_cache.
16504 Handle spec_dependency_cache. Handle DEPS_LISTs.
16505 (fixup_sched_groups): Clarify the change of priority of output
16506 and anti dependencies.
16507 (sched_analyze_2): Adjust add_dependence calls to create data
16508 speculative dependence.
16509 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
16510 Adjust all callers. Handle DEPS_LISTS.
16511 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
16512 presence of speculation.
16513 (init_dependency_caches, free_dependency_caches):
16514 Handle spec_dependency_cache.
16515 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
16516 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
16517 New static functions.
16518 (add_or_update_back_dep, add_or_update_back_forw_dep,
16519 add_back_forw_dep, delete_back_forw_dep): New functions.
16520 * sched-int.h (ds_t, dw_t): New typedefs.
16521 (struct sched_info): Add new field flags.
16522 (struct haifa_insn_data): Add new bitfield has_internal_dep.
16523 Prototype new sched-deps.c functions.
16524 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
16525 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
16526 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
16527 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
16528 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
16529 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
16531 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
16533 * sched-rgn.c (current_sched_info): Initialize flags field.
16534 (schedule_insns): Initialize current_sched_info before the sched_init
16536 * sched-ebb.c (current_sched_info): Initialize flags field.
16537 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
16538 Call add_or_update_back_dep instead of add_dependence.
16539 Create control speculative dependencies.
16540 (schedule_insns): Initialize current_sched_info before the sched_init
16543 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
16545 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
16547 (sh_fallback_frame_state): Likewise.
16549 2006-03-15 Geoffrey Keating <geoffk@apple.com>
16551 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
16552 Do switch on default_use_cxa_atexit.
16553 (powerpc*-*-darwin*): Build crt2.o on powerpc.
16554 * config/darwin-crt3.o: New.
16555 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
16556 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
16557 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
16559 * config/rs6000/t-darwin: Move crt2.o building to here.
16560 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
16561 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
16564 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16566 * config/vax/vax.c (nonindexed_address_p): Change logical negation
16567 from '! xxx' to '!xxx' for coding-style conformance.
16568 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
16569 (EXTRA_CONSTRAINT): Likewise.
16570 * config/vax/vax.md (four unnamed insns): Likewise.
16572 2006-03-15 Paul Brook <paul@codesourcery.com>
16574 * config/arm/arm.c (minipool_pad): New.
16575 (add_minipool_forward_ref): Include pool alignment padding in address
16577 (push_minipool_fix): Set minipool_pad.
16578 (minipool_pad): Ditto.
16580 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16582 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
16583 instead of GET_CODE() == MEM and REG_P() instead of
16585 (print_operand_address): Likewise.
16586 (vax_address_cost): Likewise.
16587 (vax_rtx_costs): Likewise.
16588 (vax_notice_update_cc): Likewise.
16589 (vax_output_int_add): Likewise.
16590 (INDEX_REGISTER_P): Likewise.
16591 (BASE_REGISTER_P): Likewise.
16592 (nonindexed_address_p): Likewise.
16593 (vax_mode_dependent_address_p): Likewise.
16594 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
16595 (PRINT_OPERAND): Likewise.
16596 * config/vax/vax.md (ashlsi3): Likewise.
16597 (ashlsi3): Likewise.
16598 (some more unnamed insns): Likewise.
16600 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
16602 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
16603 iterator-style macro.
16604 (mark_control_dependent_edges_necessary): Update the use of
16605 EXECUTE_IF_CONTROL_DEPENDENT.
16607 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
16609 * config/sh/predicates.md (cache_address_operand): Special.
16610 (ua_address_operand): Likewise.
16612 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
16614 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
16616 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
16618 2006-03-15 Andreas Schwab <schwab@suse.de>
16620 * gensupport.c (identify_predicable_attribute): Don't free p_false
16621 when it is still in use.
16623 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
16625 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
16626 the default setting here.
16628 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
16630 * tree-pass.h (pass_cfg): Remove.
16631 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
16632 * passes.c (pass_cfg): Don't run it.
16634 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
16636 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
16637 * reg-stack.c (stack_regs_mentioned_data): Change the type to
16639 (stack_regs_mentioned): Update the uses of
16640 stack_regs_mentioned_data. Don't access the array beyond its
16642 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
16643 Don't include gt-reg-stack.h.
16645 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
16646 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
16648 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
16650 PR middle-end/26684
16651 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
16654 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16656 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
16658 2006-03-14 Richard Guenther <rguenther@suse.de>
16660 PR tree-optimization/26672
16661 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
16664 2006-03-14 Richard Guenther <rguenther@suse.de>
16666 PR tree-optimization/26667
16667 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
16668 node for the callees. Always allow inlining if it will shrink
16671 2006-03-14 Richard Guenther <rguenther@suse.de>
16673 PR middle-end/26659
16674 * builtins.c (get_pointer_alignment): Prefer alignment
16675 information from decls over that from types.
16677 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
16680 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
16682 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
16684 * config/rs6000/rs6000.opt (mdlmzb): New option.
16685 (msched-prolog, msched-epilog): Use Var not Mask.
16686 * doc/invoke.texi (-mdlmzb): Document.
16687 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16689 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
16690 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
16692 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
16694 PR rtl-optimization/25739
16695 * bt-load.c (augment_live_range): Free tos pointer.
16697 * gensupport.c (identify_predicable_attribute): Free
16699 * gcov.c (create_file_names): Free name pointer.
16701 2006-03-13 Roger Sayle <roger@eyesopen.com>
16703 PR middle-end/26557
16704 * stmt.c (emit_case_nodes): Handle the case where the index is a
16705 CONST_INT, where the comparison mode is specified by the index type.
16707 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16709 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
16712 2006-03-13 Richard Sandiford <richard@codesourcery.com>
16714 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
16715 (*branch_fp_inverted): Likewise.
16717 2006-03-13 Jakub Jelinek <jakub@redhat.com>
16719 PR middle-end/25989
16720 * omp-low.c (expand_omp_for_generic): Mark istart0
16721 and iend0 as addressable.
16723 2006-03-13 Jie Zhang <jie.zhang@analog.com>
16725 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16727 2006-03-13 Jeff Law <law@redhat.com>
16729 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16730 virtual operands are interesting.
16731 (vrp_visit_stmt): Corresponding changes.
16733 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
16735 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16737 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16738 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16739 * config/bfin/crti.S: Use it instead of __PIC__.
16740 * config/bfin/crtn.S: Likewise.
16742 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16743 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16745 Lose 'G' modifier for call operand.
16746 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
16747 recognize 'G' modifier.
16749 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
16751 PR middle-end/18859
16752 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
16753 * stmt.c (expand_case): Likewise.
16755 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16757 PR rtl-optimization/26254
16758 * loop-invariant.c (seq_insns_valid_p): New function.
16759 (move_invariant_reg): Only emit new code if it is valid.
16761 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16763 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16765 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16766 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16767 (commit_one_edge_insertion): Do not look for loop notes.
16769 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16771 * jump.c (follow_jumps): Do not check for loop notes. Move check for
16772 flag_test_coverage out of loop.
16774 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16776 * final.c (shorten_branches): Remove outdated comment, and turn
16777 the if branch that guards it to continue.
16779 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16781 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16782 * cfgloop.h (struct loop): Remove unused fields.
16784 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
16786 * doc/invoke.texi (-fdump-rtl-loop): Remove.
16787 (-dL, -fdump-rtl-loop2): Update the dump file names
16789 * doc/invoke.texi: Update dump file names.
16791 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
16793 * predict.c (estimate_probability): Remove.
16794 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16795 * basic-block.h (estimate_probability): Remove prototype.
16796 * passes.c (finish_optimization_passes): Dump branch prediction or
16797 profiling heuristics to the .profile tree dump.
16798 (init_optimization_passes): Unqueue pass_branch_prob.
16800 * doc/invoke.texi (-fdump-rtl-bp): Remove.
16802 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16804 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16805 * rtl.h (LABEL_NEXTREF): Remove field accessor.
16807 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
16809 * function.h (frame_offset_overflow): Declare.
16810 * function.c (frame_offset_overflow): New function.
16811 (assign_stack_local_1): Call it to detect that the offset overflows.
16812 * cfgexpand.c (alloc_stack_frame_space): Likewise.
16814 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16816 * config/sh/sh.c: Include alloc-pool.h.
16817 (label_ref_list_pool): New alloc pool.
16818 (label_ref_list_t): New type for lists of labels.
16819 (struct pool_node): Make wend a label_ref_list_t.
16820 (add_constant): Use the new type, eradicate LABEL_NEXTREF
16822 (dump_table): Likewise.
16823 (sh_reorg): Set up the alloc pool before using add_constant and
16824 dump_table, and destroy it when finishing.
16826 2006-03-11 Richard Sandiford <richard@codesourcery.com>
16828 * config/mips/mips.c: Remove redundant comment.
16830 2006-03-10 Jason Merrill <jason@redhat.com>
16833 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16834 the target was declared 'register'.
16836 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
16838 * genpreds.c (write_insn_constraint_len): Change definition of
16839 insn_constraint_len to return size_t to match the declaration.
16841 2006-03-10 DJ Delorie <dj@redhat.com>
16843 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16845 (m32c_expand_insv): Fix test for an AND mask.
16847 2006-03-10 Richard Guenther <rguenther@suse.de>
16849 PR middle-end/26565
16850 * builtins.c (get_pointer_alignment): Handle component
16851 references for field alignment.
16853 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16855 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16856 when building with libgloss.
16857 (sh*elf): Implement --without-fp option.
16858 (sh64-superh-linux*): Don't multilib.
16860 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16862 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16864 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16866 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16867 Set it when one of the replacement functions returned true.
16868 Return TODO_cleanup_cfg if cfgchanged is true.
16869 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16871 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16873 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16874 instead of gen_lowpart.
16876 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16878 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16880 (mips_output_order_conditional_branch): Declare.
16881 * config/mips/mips.h (MIPS_BRANCH): New macro.
16882 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16883 for the comparison. Use gen_condjump.
16884 (mips_output_conditional_branch): Rework interface to take the
16885 asm templates for a direct branch and the inverse of a direct branch.
16886 (mips_output_order_conditional_branch): New function.
16887 (mips_builtin_branch_and_move): New function.
16888 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16889 branch condition. Use gen_single_cc as the condition for
16890 __builtin_mips_upper_* or __builtin_mips_lower_*.
16891 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16892 Use VOIDmode for the branch condition.
16893 * config/mips/predicates.md (order_operator): New predicate.
16894 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16895 (branch_fp): Rename to...
16896 (*branch_fp): ...this. Remove mode from comparison operator.
16897 Use new mips_output_conditional_branch interface.
16898 (branch_fp_inverted): Rename to...
16899 (*branch_fp_inverted): ...this and update as for *branch_fp.
16900 (*branch_zero<mode>): Rename to...
16901 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16902 Use mips_output_order_conditional_branch. Only accept ordered
16904 (*branch_zero<mode>_inverted): Rename to...
16905 (*branch_order<mode>_inverted): ...this and update as for
16906 *branch_order<mode>.
16907 (*branch_equality<mode>): Accept zero as the second operand to
16908 the equality operator. Use the new mips_output_conditional_branch
16910 (*branch_equality<mode>_inverted): Likewise.
16911 (condjump): New expander.
16912 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16914 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16915 (bc1any2t, bc1any2f): Likewise.
16916 (single_cc): New expander.
16917 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16919 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16921 * doc/md.texi: Update documentation of MIPS constraints.
16922 * config/mips/constraints.md: New file.
16923 * config/mips/mips.md: Include it.
16924 * config/mips/mips.c (mips_char_to_class): Delete.
16925 (override_options): Don't initialize mips_char_to_class.
16926 * config/mips/mips.h (mips_char_to_class): Delete.
16927 (REG_CLASS_FROM_LETTER): Delete.
16928 (CONST_OK_FOR_LETTER_P): Delete.
16929 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16930 (EXTRA_CONSTRAINT_Y): Delete.
16931 (EXTRA_CONSTRAINT_STR): Delete.
16932 (CONSTRAINT_LEN): Delete.
16933 (EXTRA_MEMORY_CONSTRAINT): Delete.
16935 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16937 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16938 original fn's eh regions.
16940 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16942 * fold-const.c (build_range_check): Make sure to use a valid type to
16943 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16946 (range_predecessor): New static function.
16947 (range_successor): Likewise.
16948 (merge_ranges): Use them to compute predecessors and successors of
16951 2006-03-09 Roger Sayle <roger@eyesopen.com>
16953 PR middle-end/26561
16954 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16955 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16957 2006-03-08 DJ Delorie <dj@redhat.com>
16959 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16960 (addpsi3): Expand to include memory operands. Remove
16961 reload-specific splits.
16962 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16963 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16964 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16965 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16966 (shift1_qi, shift1_hi, insv): New.
16967 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16968 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16969 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16971 * config/m32c/m32c-protos.h: Update as needed.
16972 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16973 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16974 Fail for unrecognized R* constraints.
16975 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16976 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16977 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16979 (m32c_init_libfuncs): New.
16980 (m32c_legitimate_address_p): Add debug wrapper.
16981 (m32c_rtx_costs): New.
16982 (m32c_address_cost): New.
16983 (conversions): Add 'B' prefix.
16984 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16985 operands, or word regnames for QI operands. 'B' prints bit
16987 (m32c_expand_setmemhi): New.
16988 (m32c_expand_movmemhi): New.
16989 (m32c_expand_movstr): New.
16990 (m32c_expand_cmpstr): New.
16991 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16992 (m32c_expand_neg_mulpsi3): Handle non-ints.
16993 (m32c_cmp_flg_0): New.
16994 (m32c_expand_movcc): New.
16995 (m32c_expand_insv): New.
16996 (m32c_scc_pattern): New.
16997 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16998 a0/a1 out of SIregs.
16999 (STORE_FLAG_VALUE): New.
17000 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
17003 * config/m32c/mov.md: Make constraints more liberal.
17004 (zero_extendqihi2): Optimize r0/r1 case.
17005 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
17006 * config/m32c/predicates.md (m32c_any_operand): New.
17007 (m32c_nonimmediate_operand): New.
17008 (m32c_hl_operand): New.
17009 (m32c_r3_operand): New.
17012 (memsym_operand): New.
17013 (memimmed_operand): New.
17014 (a_qi_operand): New.
17015 (m32c_eqne_operator): New.
17016 (m32c_1bit8_operand): New.
17017 (m32c_1bit16_operand): New.
17018 (m32c_1mask8_operand): New.
17019 (m32c_1mask16_operand): New.
17020 * config/m32c/blkmov.md: New file.
17021 * config/m32c/t-m32c (MD_FILES): Add blkmov.
17023 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
17025 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
17026 unsigned to fix signed/unsigned comparison issue in
17027 DWARF2_FRAME_REG_OUT.
17028 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
17029 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
17031 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
17032 of ptr into the ENABLE_CHECKING section.
17034 2006-03-08 Jeff Law <law@redhat.com>
17036 * tree-vrp.c (infer_value_range): Only count pointer uses
17037 and dereferences if -fdelete-null-pointer-checks is enabled.
17039 * tree-vrp.c (find_assert_locations): Infer value ranges for
17040 single use pointers, but do not create ASSERT_EXPRs for them.
17041 When a non-null range is inferred for a pointer, backwards
17042 propagate that range to other equivalent pointers through the
17045 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
17048 * Makefile.in (dvi, html, install-info): Invoke the corresponding
17049 language hook targets.
17050 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
17051 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
17052 if language hook targets were missing.
17054 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
17056 * tree-ssa-opfinalize.h: Removed.
17057 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
17059 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
17060 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
17061 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
17062 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
17063 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
17064 finalize_ssa_v_must_def_ops): New.
17066 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
17068 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
17069 block as parameter.
17071 2006-03-07 Geoffrey Keating <geoffk@apple.com>
17073 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
17075 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
17076 addresses with offsets; reorganize.
17078 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
17079 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
17080 (expand_builtin_init_dwarf_reg_sizes): Likewise.
17082 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
17085 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
17087 2006-03-08 Ben Elliston <bje@au.ibm.com>
17089 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
17091 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
17094 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
17097 2006-03-07 Richard Guenther <rguenther@suse.de>
17099 PR tree-optimization/26587
17100 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
17102 2006-03-07 Richard Sandiford <richard@codesourcery.com>
17104 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
17106 2006-03-07 Richard Sandiford <richard@codesourcery.com>
17108 * hooks.c (hook_bool_mode_rtx_true): New function.
17109 * hooks.h (hook_bool_mode_rtx_true): Declare.
17110 * toplev.c (compile_file): Call output_shared_constant_pool.
17111 * varasm.c (shared_constant_pool): New variable.
17112 (assemble_start_function, assemble_end_function): Remove arguments
17113 from call to output_constant_pool.
17114 (create_constant_pool): New function, split out from...
17115 (init_varasm_status): ...here.
17116 (force_const_mem): Choose between the shared and per-function constant
17117 pools. Set current_function_uses_const_pool when reusing old entries
17118 as well as when creating new ones.
17119 (mark_constant): Ignore data argument.
17120 (mark_constants): Remove pool argument.
17121 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
17122 to decide whether the function uses a constant pool.
17123 (output_constant_pool_contents): New function, split out from...
17124 (output_constant_pool): ...here.
17125 (output_shared_constant_pool): New function.
17126 (init_varasm_once): Initialize shared_constant_pool.
17127 * output.h (output_constant_pool): Delete.
17128 (output_shared_constant_pool): Declare.
17129 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
17130 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
17132 2006-03-06 Nick Clifton <nickc@redhat.com>
17134 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
17135 flag_strength_reduce.
17137 2006-03-06 Ben Elliston <bje@au.ibm.com>
17139 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
17140 x86_64-*-linux* configurations.
17142 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
17143 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
17145 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
17147 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
17149 * basic-block.h: Remove the extern for
17150 rediscover_loops_after_threading.
17152 * cfgloop.c (cancel_loop): Make it static.
17153 * cfgloop.h: Remove the prototype for cancel_loop.
17155 * flow.c (recompute_reg_usage): Make it static.
17156 * rtl.h: Remove the prototype for recompute_reg_usage.
17158 * function.c (use_return_register): Make it static.
17159 * function.h: Remove the prototype.
17161 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
17163 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
17165 * recog.h: Remove the prototype for
17166 validate_change_maybe_volatile.
17168 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
17170 * rtlanal.c (replace_reg): Remove.
17171 * rtl.h: Remove the prototype for replace_reg.
17173 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
17175 * regclass.c (reg_scan_update): Remove.
17176 (reg_scan_mark_refs): Remove the last argument.
17177 * rtl.h: Remove the prototype for reg_scan_update.
17179 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
17181 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
17182 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
17183 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
17184 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
17185 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
17186 loop-invariant.c, omp-low.c, opts.c, passes.c,
17187 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
17188 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
17189 tree-ssa-structalias.c, tree-ssa-threadedge.c,
17190 tree-ssa-threadupdate.c, tree-vect-patterns.c,
17191 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
17192 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
17194 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
17196 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
17197 * dwarf2out.h: Remove the prototype for
17198 dwarf2out_add_library_unit_info.
17200 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
17202 * tree.c (add_var_to_bind_expr): Remove.
17203 * tree.h: Remove the prototype for add_var_to_bind_expr.
17205 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
17207 * regclass.c (n_non_fixed_regs): Remove.
17208 (init_reg_sets_1, globalize_reg): Remove all uses of
17210 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
17212 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
17214 * rtlanal.c (insns_safe_to_move_p): Remove.
17215 * rtl.h: Remove the prototype for insns_safe_to_move_p.
17217 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
17219 * expmed.c (expand_mult_add): Remove.
17220 * expr.h: Remove the prototype for expand_mult_add.
17222 2006-03-04 Jakub Jelinek <jakub@redhat.com>
17224 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
17225 and REG_SAVED_VAL_EXP constants.
17226 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
17227 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
17228 Handle regs stored by value.
17229 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
17230 (execute_cfa_program): Handle DW_CFA_val_offset,
17231 DW_CFA_val_offset_sf and DW_CFA_val_expression.
17232 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
17233 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
17234 (uw_install_context_1): Handle target regs stored by value.
17236 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
17238 * tree-sra.c (tree_sra): Return todoflags;
17239 (generate_one_element): Set TODO_update_smt_usage if needed.
17240 (pass_sra): Remove TODO_update_smt_usage.
17241 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
17243 (tree_ssa_forward_propagate_single_use_vars): Return
17244 TODO_update_smt_usage if we need to update SMT usage.
17245 (pass_forwprop): Remove TODO_update_smt_usage.
17247 2006-03-03 Diego Novillo <dnovillo@redhat.com>
17249 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
17250 (correct_use_link): Remove reference to get_stmt_operands.
17251 (update_stmt_operands): Likewise.
17252 (get_modify_expr_operands): New function factored out of
17253 parse_ssa_operands and get_expr_operands.
17254 Try to create V_MUST_DEFs for LHS by default.
17255 (get_expr_operands) <case MODIFY_EXPR>: Call
17256 get_modify_expr_operands.
17257 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
17258 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
17259 (parse_ssa_operands) <case MODIFY_EXPR>: Call
17260 get_modify_expr_operands.
17262 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
17264 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
17265 * tree-flow.h: Remove the prototype for
17266 referenced_var_lookup_if_exists.
17268 2006-03-03 Steve Ellcey <sje@cup.hp.com>
17270 PR rtl-optimization/26345
17272 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
17274 2006-03-03 Roger Sayle <roger@eyesopen.com>
17276 PR tree-optimization/26524
17277 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
17278 fold_convert to create a constant of the appropriate type.
17280 2006-03-03 Richard Sandiford <richard@codesourcery.com>
17282 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17283 SYMBOL_REF_IN_BLOCK_P.
17284 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
17285 of SYMBOL_FLAG_IN_BLOCK.
17286 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
17287 instead of SYMBOL_REF_IN_BLOCK_P.
17288 * explow.c (use_anchored_address): Likewise.
17289 * rtl.c (rtx_size): Likewise.
17290 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
17291 instead of SYMBOL_FLAG_IN_BLOCK.
17292 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17293 SYMBOL_REF_IN_BLOCK_P.
17294 (assemble_variable): Likewise.
17295 (output_constant_def_contents): Likewise.
17296 (output_constant_pool): Likewise.
17297 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
17298 instead of SYMBOL_FLAG_IN_BLOCK.
17299 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17300 SYMBOL_REF_IN_BLOCK_P.
17301 (SYMBOL_REF_BLOCK): Likewise.
17302 (SYMBOL_REF_OFFSET): Likewise.
17303 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17304 SYMBOL_REF_IN_BLOCK_P.
17305 (SYMBOL_FLAG_IN_BLOCK): Replace with...
17306 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
17307 (SYMBOL_REF_IN_BLOCK_P): Replace with...
17308 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
17310 2006-03-03 Jakub Jelinek <jakub@redhat.com>
17312 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
17314 2006-03-02 Roger Sayle <roger@eyesopen.com>
17316 * simplify-rtx.c (simplify_unary_operation): When simplifying
17317 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
17318 that we perform the right shift in the appropriate mode, and
17319 then extend or truncate the result to requested mode.
17321 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
17323 * gengtype.c (main): Handle double_int type.
17324 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
17325 * double-int.c: New file.
17326 * double-int.h: New file.
17327 * system.h: Include doubleint.h.
17328 * Makefile.in (SYSTEM_H): Include double-int.h.
17329 (double-int.o): Add.
17331 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
17334 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
17337 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17339 * tree-vrp.c (remove_range_assertions): Do not update statements
17342 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17344 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
17346 * gcse.c (rest_of_handle_gcse): Ditto.
17347 * except.c (gate_handle_eh): Ditto.
17348 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
17349 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
17351 2006-03-02 Eric Christopher <echristo@apple.com>
17353 * config/i386/i386.c (machopic_output_stub): Add indirection to
17356 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17360 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
17362 Sun Niagara specific optimizations.
17363 * config.gcc: Recognize niagara as target.
17364 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
17365 (TARGET_CPU_niagara): Define.
17366 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
17367 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
17368 (CPP_CPU_SPEC): Handle -mcpu=niagara.
17369 (ASM_CPU_SPEC): Likewise.
17370 (PROCESSOR_NIAGARA): New enum entry.
17371 (REGISTER_MOVE_COST): Handle Niagara.
17372 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
17373 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
17374 (sparc_override_options): Recognize "niagara", set appropriate
17375 default MASK_* values for it, and align functions to 32-bytes
17376 by default just like ULTRASPARC/ULTRASPARC3.
17377 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
17378 (sparc64_initialize_trampoline): Likewise.
17379 (sparc_use_sched_lookahead): Use zero for niagara.
17380 (sparc_issue_rate): Use one for niagara.
17381 * config/sparc/niagara.md: New file.
17382 * config/sparc/sparc.md: Include it.
17383 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
17384 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
17385 when default cpu is niagara.
17386 (CPP_CPU_SPEC): Handle -mcpu=niagara.
17387 (ASM_CPU_SPEC): Likewise.
17388 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
17389 when default cpu is niagara.
17390 (ASM_CPU_SPEC): Handle -mcpu=niagara.
17391 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
17392 just like v9/ultrasparc/ultrasparc3.
17393 * doc/invoke.texi: Add documentation for "niagara" and improve
17394 existing documentation for ultrasparc variants.
17396 2006-03-02 Diego Novillo <dnovillo@redhat.com>
17398 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
17400 2006-03-02 Richard Sandiford <richard@codesourcery.com>
17402 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
17403 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
17404 and say that only one is needed.
17405 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
17406 * target.h (have_switchable_bss_sections): New hook.
17407 * explow.c (use_anchored_address): Check that the symbol is in a block.
17408 * varasm.c (tls_comm_section, comm_section, lcomm_section)
17409 (bss_noswitch_section): New variables.
17410 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
17411 (get_noswitch_section): New function.
17412 (get_block_for_section): Allow SECT to be null.
17413 (unlikely_text_section_p): Use SECTION_STYLE.
17414 (bss_initializer_p): New function.
17415 (get_variable_section): Move earlier in file. Take a new argument,
17416 prefer_noswitch_p. Move bss checks from assemble_variable to here.
17417 Return one of the new *_sections in such cases.
17418 (get_block_for_decl): New function, extracting some logic from
17419 use_blocks_for_decl_p.
17420 (change_symbol_section): Remove in favor of...
17421 (change_symbol_block): ...this new function.
17422 (use_blocks_for_decl_p): Remove checks now performed by
17423 get_block_for_decl.
17424 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
17425 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
17426 (emit_local, emit_bss, emit_common): ...these new functions.
17427 Return true if the alignment was honored.
17428 (emit_tls_common): New function.
17429 (asm_emit_uninitialised): Delete.
17430 (assemble_variable_noswitch): New function, split out from...
17431 (assemble_variable): ...here. Don't make decisions about common
17432 variables here. Globalize all public decls that go into non-common
17433 sections. Check whether SYMBOL_REF_BLOCK is null.
17434 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
17435 (output_constant_pool): Likewise.
17436 (init_varasm_once): Initialize the new section variables.
17437 (have_global_bss_p): New function.
17438 (categorize_decl_for_section): Use bss_initializer_p.
17439 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
17440 (place_block_symbol): Assert that the symbol must be in a block.
17441 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
17442 (TARGET_INITIALIZER): Include it.
17443 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
17444 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
17445 (SECTION_MACH_DEP): Bump by two.
17446 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
17447 (unnamed_section): Mention SECTION_UNNAMED in comment.
17448 (named_section): Likewise SECTION_NAMED.
17449 (noswitch_section_callback): New type.
17450 (noswitch_section): New structure.
17451 (section): Add a noswitch_section alternative.
17452 (SECTION_STYLE): New macro.
17453 (tls_comm_section, comm_section, lcomm_section): Declare.
17454 (bss_noswitch_section, have_global_bss_p): Declare.
17455 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17456 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17458 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17459 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17462 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
17464 * tree-vrp.c (execute_vrp): Return value.
17465 * regrename.c (rest_of_handle_regrename): Ditto.
17466 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
17467 * tree-complex.c (tree_lower_complex): Ditto.
17468 (tree_lower_complex_O0): Ditto.
17469 * tracer.c (rest_of_handle_tracer): Ditto.
17470 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
17471 * postreload.c (rest_of_handle_postreload): Ditto.
17472 * tree-tailcall.c (execute_tail_recursion): Ditto.
17473 (execute_tail_calls): Ditto.
17474 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17475 * tree.h (init_function_for_compilation): Ditto.
17476 * ipa-cp.c (ipcp_driver): Ditto.
17477 * tree-scalar-evolution.c (scev_const_prop): Ditto.
17478 * tree-scalar-evolution.h (scev_const_prop): Ditto.
17479 * final.c (compute_alignments): Ditto.
17480 (rest_of_handle_final): Ditto.
17481 (rest_of_handle_shorten_branches): Ditto.
17482 (rest_of_clean_state): Ditto.
17483 * omp-low.c (execute_expand_omp): Ditto.
17484 (execute_lower_omp): Ditto.
17485 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
17486 * ipa-reference.c (static_execute): Ditto.
17487 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
17488 * reorg.c (rest_of_handle_delay_slots): Ditto.
17489 (rest_of_handle_machine_reorg): Ditto.
17490 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
17491 * flow.c (recompute_reg_usage): Ditto.
17492 (rest_of_handle_remove_death_notes): Ditto.
17493 (rest_of_handle_life): Ditto.
17494 (rest_of_handle_flow2): Ditto.
17495 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
17496 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
17497 (do_ssa_store_ccp): Ditto.
17498 (execute_fold_all_builtins): Ditto.
17499 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
17500 * modulo-sched.c (rest_of_handle_sms): Ditto.
17501 * ipa-pure-const.c (static_execute): Ditto.
17502 * cse.c (rest_of_handle_cse): Ditto.
17503 (rest_of_handle_cse2): Ditto.
17504 * web.c (rest_of_handle_web): Ditto.
17505 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
17506 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
17507 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
17508 * tree-nrv.c (tree_nrv): Ditto.
17509 (execute_return_slot_opt): Ditto.
17510 * tree-ssa-alias.c (compute_may_aliases): Ditto.
17511 (create_structure_vars): Ditto.
17512 * loop-init.c (rtl_loop_init): Ditto.
17513 (rtl_loop_done): Ditto.
17514 (rtl_move_loop_invariants): Ditto.
17515 (rtl_unswitch): Ditto.
17516 (rtl_unroll_and_peel_loops): Ditto.
17517 (rtl_doloop): Ditto.
17518 * gimple-low.c (lower_function_body): Ditto.
17519 (mark_used_blocks): Ditto.
17520 * tree-ssa-sink.c (execute_sink_code): Ditto.
17521 * ipa-inline.c (cgraph_decide_inlining): Ditto.
17522 (cgraph_early_inlining): Ditto.
17523 * global.c (rest_of_handle_global_alloc): Ditto.
17524 * jump.c (cleanup_barriers): Ditto.
17525 (purge_line_number_notes): Ditto.
17526 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
17527 (rest_of_handle_if_after_reload): Ditto.
17528 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
17529 (tree_ssa_loop_im): Ditto.
17530 (tree_ssa_loop_unswitch): Ditto.
17531 (tree_vectorize): Ditto.
17532 (tree_linear_transform): Ditto.
17533 (tree_ssa_loop_ivcanon): Ditto.
17534 (tree_ssa_empty_loop): Ditto.
17535 (tree_ssa_loop_bounds): Ditto.
17536 (tree_complete_unroll): Ditto.
17537 (tree_ssa_loop_prefetch): Ditto.
17538 (tree_ssa_loop_ivopts): Ditto.
17539 (tree_ssa_loop_done): Ditto.
17540 * predict.c (tree_estimate_probability): Ditto.
17541 * recog.c (split_all_insns_noflow): Ditto.
17542 (rest_of_handle_peephole2): Ditto.
17543 (rest_of_handle_split_all_insns): Ditto.
17544 * tree-eh.c (lower_eh_constructs): Ditto.
17545 * regmove.c (rest_of_handle_regmove): Ditto.
17546 (rest_of_handle_stack_adjustments): Ditto.
17547 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
17548 * function.c (instantiate_virtual_regs): Ditto.
17549 (init_function_for_compilation): Ditto.
17550 (rest_of_handle_check_leaf_regs): Ditto.
17551 * gcse.c (rest_of_handle_jump_bypass): Ditto.
17552 (rest_of_handle_gcse): Ditto.
17553 * ipa-type-escape.c (type_escape_execute): Ditto.
17554 * alias.c (rest_of_handle_cfg): Ditto.
17555 * tree-if-conv.c (main_tree_if_conversion): Ditto.
17556 * profile.c (rest_of_handle_branch_prob): Ditto.
17557 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
17558 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
17559 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
17560 * tree-dfa.c (find_referenced_vars): Ditto.
17561 * except.c (set_nothrow_function_flags): Ditto.
17562 (convert_to_eh_region_ranges): Ditto.
17563 (rest_of_handle_eh): Ditto.
17564 * emit-rtl.c (unshare_all_rtl): Ditto.
17565 (remove_unnecessary_notes): Ditto.
17566 * except.h (set_nothrow_function_flags): Ditto.
17567 (convert_to_eh_region_ranges): Ditto.
17568 * cfgexpand.c (tree_expand_cfg): Ditto.
17569 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
17570 * tree-ssa-pre.c (do_pre): Ditto.
17571 (execute_fre): Ditto.
17572 * cfgcleanup.c (rest_of_handle_jump): Ditto.
17573 (rest_of_handle_jump2): Ditto.
17574 * tree-sra.c (tree_sra): Ditto.
17575 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
17576 (execute_mudflap_function_decls): Ditto.
17577 * tree-ssa-copy.c (do_copy_prop): Ditto.
17578 (do_store_copy_prop): Ditto.
17579 * ipa-prop.h (ipcp_driver): Ditto.
17580 * cfglayout.c (insn_locators_initialize): Ditto.
17581 * tree-ssa-forwprop.c
17582 (tree_ssa_forward_propagate_single_use_vars): Ditto.
17583 * cfglayout.h (insn_locators_initialize): Ditto.
17584 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
17585 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
17586 (execute_late_warn_uninitialized): Ditto.
17587 * rtl.h (cleanup_barriers): Ditto.
17588 (split_all_insns_noflow): Ditto.
17589 (purge_line_number_notes): Ditto.
17590 (unshare_all_rtl): Ditto.
17591 (remove_unnecessary_notes): Ditto.
17592 (recompute_reg_usage): Ditto.
17593 (variable_tracking_main): Ditto.
17594 * integrate.c (emit_initial_value_sets): Ditto.
17595 * integrate.h (emit_initial_value_sets): Ditto.
17596 * tree-optimize.c (execute_free_datastructures): Ditto
17597 (execute_free_cfg_annotations): Ditto.
17598 (execute_fixup_cfg): Ditto.
17599 (execute_cleanup_cfg_pre_ipa): Ditto.
17600 (execute_cleanup_cfg_post_optimizing): Ditto.
17601 (execute_init_datastructures): Ditto.
17602 * tree-object-size.c (compute_object_sizes): Ditto.
17603 * combine.c (rest_of_handle_combine): Ditto.
17604 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
17605 * bb-reorder.c (duplicate_computed_gotos): Ditto.
17606 (rest_of_handle_reorder_blocks): Ditto.
17607 (rest_of_handle_partition_blocks): Ditto.
17608 * var-tracking.c (variable_tracking_main): Ditto.
17609 * tree-profile.c (tree_profiling): Ditto.
17610 * tree-vect-generic.c (expand_vector_operations): Ditto.
17611 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
17612 * sched-rgn.c (rest_of_handle_sched): Ditto.
17613 (rest_of_handle_sched2): Ditto.
17614 * basic-block.h (free_bb_insn): Ditto.
17615 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
17616 * tree-cfg.c (execute_build_cfg): Ditto.
17617 (remove_useless_stmts): Ditto.
17618 (split_critical_edges): Ditto.
17619 (execute_warn_function_return): Ditto.
17620 (execute_warn_function_noreturn): Ditto.
17621 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
17622 * cfgrtl.c (free_bb_for_insn): Ditto.
17623 * passes.c (execute_one_pass): Run additional
17624 todos returned by execute function.
17625 * tree-pass.h (struct tree_opt_pass): Make execute
17628 2006-03-02 Richard Guenther <rguenther@suse.de>
17630 * tree-ssa-alias.c (find_used_portions): Consider taking
17631 the address as making the variable not write-only.
17633 2006-03-02 Nick Clifton <nickc@redhat.com>
17635 * config.gcc (default_use_cxa_atexit): Extend the description of
17636 this configure variable. Set its default value to "yes" for
17637 Linux, NetBSD and ELF targets on the assumption that they will
17638 use C libraries with the __cxa_atexit function.
17640 2006-03-02 Ben Elliston <bje@au.ibm.com>
17642 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
17643 parameter as unused to suppress a build warning.
17645 2006-03-02 Ben Elliston <bje@au.ibm.com>
17647 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
17650 2006-03-01 Roger Sayle <roger@eyesopen.com>
17653 * gthr-posix.h (__gthrw2): Define to take three parameters, the
17654 declared name, the weak reference name, and the typeof name.
17655 (__gthrw): Avoid expanding the declared name suffix.
17656 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
17658 2006-03-01 Jakub Jelinek <jakub@redhat.com>
17660 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
17662 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
17663 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
17664 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
17665 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
17666 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
17667 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
17668 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
17669 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
17670 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
17671 DW_DS_leading_separate, DW_DS_trailing_separate): New.
17672 (DW_END_default, DW_END_big, DW_END_little): New.
17673 (DW_END_lo_user, DW_END_hi_user): Define.
17674 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
17675 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
17676 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
17679 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17681 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17683 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17685 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17687 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17689 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17690 to 'symbol_mem_tag'.
17692 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17695 2006-03-01 Roger Sayle <roger@eyesopen.com>
17697 * builtins.c (fold_builtin_copysign): Delete unreachable code.
17699 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17702 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
17703 MACHO_DYNAMIC_NO_PIC_P.
17704 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
17706 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17709 * config/darwin-protos.h (darwin_asm_output_anchor):
17711 * config/darwin-sections.def (cstring_section):
17712 Add SECTION_MERGE to the flags.
17713 (literal4_section): Likewise.
17714 (literal8_section): Likewise.
17715 (objc_selector_refs_section): Likewise.
17716 (objc_cls_refs_section): Likewise.
17717 * config/darwin.c (darwin_asm_output_anchor): New
17719 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17721 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
17723 Fix PR tree-optimization/26443
17724 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17725 to todo and PROP_tmt_usage to properties_destroyed.
17726 * tree-ssa-ccp.c (pass_ccp): Ditto.
17727 (pass_store_ccp): Ditto.
17728 * tree-ssa-dom.c (pass_dominator): Ditto.
17730 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17732 * tree-ssa-operands.c: Cleanup whitespace.
17733 (get_asm_expr_operands): Move before first invocation.
17734 (get_indirect_ref_operands): Likewise.
17735 (get_tmr_operands): Likewise.
17736 (get_call_expr_operands): Likewise.
17737 (append_def): Likewise.
17738 (append_use): Likewise.
17739 (append_v_may_def): Likewise.
17740 (append_v_must_def): Likewise.
17741 (add_call_clobber_ops): Likewise.
17742 (add_call_read_ops): Likewise.
17743 (add_stmt_operand): Likewise.
17744 (add_virtual_operand): Likewise.
17745 (build_ssa_operands): Likewise.
17747 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17749 PR middle-end/26022
17751 PR middle-end/24437
17752 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17753 with a call expr to ...
17754 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17756 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17758 * tree-vrp.c (extract_range_from_assert): Remove special
17759 handling for types with super-types.
17761 2006-03-01 Ben Elliston <bje@au.ibm.com>
17763 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17764 and powerpc64-*-linux* configurations.
17765 * config/t-dfprules: New file.
17767 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17768 Compile dfp-bit.c from the source directory using -DWIDTH and
17769 $DFP_CFLAGS to control the compilation of that file, rather than
17770 generating width-specific versions in the build directory.
17771 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17772 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17774 2006-02-28 Zack Weinberg <zackw@panix.com>
17776 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17779 2006-02-28 Eric Christopher <echristo@apple.com>
17781 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17782 Set up IN_LIBGCC definition of TARGET_64BIT.
17783 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17785 2006-02-28 Roger Sayle <roger@eyesopen.com>
17787 PR middle-end/14752
17788 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17789 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
17790 cases via the construction of "expr != 0".
17792 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
17794 * alias.c (alias_invariant, alias_invariant_size): Remove.
17795 (record_base_value): Remove.
17796 (memrefs_conflict_p): Don't look at alias_invariant.
17797 (end_alias_analysis): Don't free it.
17798 * alias.h (record_base_value): Remove prototype.
17800 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
17801 Adam Nemet <anemet@caviumnetworks.com>
17803 * rtl.h (truncated_to_mode): Declare it.
17804 (struct rtl_hooks): Add reg_truncated_to_mode hook.
17805 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17806 (RTL_HOOKS_INITIALIZER): Include it.
17807 * rtlhooks.c (reg_truncated_to_mode_general): New function.
17808 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17809 reg_truncated_to_mode.
17810 * rtlanal.c (truncated_to_mode): Define it.
17811 * simplify-rtx.c (simplify_unary_operation_1): Use it.
17813 2006-02-28 Jeff Law <law@redhat.com>
17815 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17816 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17817 the range allowed by TYPE_PRECISION.
17819 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17821 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
17823 PR tree-optimization/26419
17824 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17827 2006-02-27 Zack Weinberg <zackw@panix.com>
17829 * doc/md.texi: Fix typo in previous change.
17831 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
17835 2006-02-27 Zack Weinberg <zackw@panix.com>
17837 * rtl.def (define_constraint, define_register_constraint)
17838 (define_memory_constraint, define_address_constraint): New MD forms.
17839 * gensupport.c (process_rtx): Put define_constraint etc on the
17841 * genpreds.c (process_define_predicate): Adjust comment. Validate
17842 the name, and call validate_exp to validate the expression.
17843 (mark_mode_tests, write_extract_subexp): Can assume correct input.
17844 (write_predicate_expr): Likewise. NAME argument no longer necessary;
17845 all callers changed.
17846 (validate_exp, needs_variable, struct constraint_data)
17847 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17848 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17849 (const_dbl_constraints, constraint_max_namelen)
17850 (have_register_constraints, have_memory_constraints)
17851 (have_address_constraints, have_address_constraints)
17852 (have_extra_constraints, have_const_int_constraints)
17853 (have_const_dbl_constraints, mangle, add_constraint)
17854 (process_define_constraint, process_define_register_constraint)
17855 (write_enum_constraint_num, write_lookup_constraint)
17856 (write_insn_constraint_len, write_regclass_for_constraint)
17857 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17858 (write_insn_extra_memory_constraint)
17859 (write_insn_extra_address_constraint)
17860 (write_satisfies_constraint_fns): New.
17861 (write_tm_preds_h): If we have new-style constraint definitions,
17862 prototype the functions generated from them, and define the
17863 old constraint interface (still used by generic code) in terms of
17865 (write_insn_preds_c): If we have new-style constraint definitions,
17866 generate all relevant functions from those definitions.
17867 (main): Handle define_constraint etc.
17868 * genoutput.c (struct constraint_data, indep_constraints)
17869 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17870 (mdep_constraint_len): New data structures and functions, defined
17871 #ifdef USE_MD_CONSTRAINTS.
17872 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17873 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17874 use new logic to validate operand constraints against constraint
17876 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17878 * defaults.h: If none of the old-style constraint macros are
17879 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17880 old-style macros; and poison REG_CLASS_FROM_LETTER,
17881 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17883 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17884 * doc/md.texi: Document new constraint-definition mechanism and the
17885 C interface it provides. Remove references to old mechanism
17886 elsewhere in the document.
17887 (Machine Constraints): Use pathnames relative to gcc directory,
17888 i.e. config/ARCH/FILE. Change i386 section to refer to
17889 config/i386/predicates.md; update that section to match docstrings.
17890 * doc/tm.texi: Move all documentation of the old constraint-
17891 definition macros to their own section, clearly mark as obsolete.
17893 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17894 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17896 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17897 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17898 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17899 constraint strings.
17900 (splits and peepholes): Use satisfies_constraint_*.
17901 * config/i386/i386.c (memory_address_length)
17902 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17904 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17906 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17907 scalar operation to be put back into the loop.
17909 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17912 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17913 (extract_cie_info): Handle S flag in augmentation string.
17914 (execute_cfa_program): If context->signal_frame, execute also
17915 fs->pc == context->ra instructions.
17916 (uw_frame_state_for): If context->signal_frame, don't subtract one
17917 from context->ra to find FDE.
17918 (uw_update_context_1): Set context->signal_frame to
17920 (_Unwind_GetIPInfo): New function.
17921 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17922 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17924 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17925 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17926 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17927 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17928 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17929 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17930 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17931 x86_64_fallback_frame_state): Set fs->signal_frame.
17932 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17933 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17934 (frob_update_context): Likewise. Workaround missing S flag in
17935 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17936 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17937 Remove the psw_addr + 1 hack.
17939 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17941 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17942 with aggregates here.
17943 (find_func_aliases): Remove code for &<aggregate> from here.
17945 2006-02-26 Roger Sayle <roger@eyesopen.com>
17947 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17948 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17949 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17950 as (X & C) ne/eq 0.
17952 2006-02-26 Roger Sayle <roger@eyesopen.com>
17954 PR middle-end/19983
17955 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17957 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17959 * opts.c (decode_options): Do not handle flag_strength_reduce.
17960 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17961 and OPT_fstrength_reduce.
17962 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17963 flag_prefetch_loop_arrays for being nonzero.
17964 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17966 (fprefetch-loop-arrays-rtl): Removed.
17967 (flag_prefetch_loop_arrays): Do not specify the value.
17969 * doc/passes.texi: Update documentation of loop optimizer
17971 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17972 -frerun-loop-opt): Remove.
17974 2006-02-26 Richard Guenther <rguenther@suse.de>
17976 PR tree-optimization/26421
17977 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17978 in function calls that are ADDR_EXPRs as using the whole structure.
17980 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17982 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17983 * tree-pass.h (pass_loop_optimize): Remove.
17984 * passes.c (pass_loop_optimize): Never run it.
17985 * toplev.c (backend_init): Don't call init_loop.
17986 * opts.c (flag_loop_optimize_set): Remove.
17987 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17988 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17989 the old RTL loop optimizer when profiling enabled.
17990 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17991 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17992 pre-headers for the sake of the old RTL loop optimizer.
17993 * Makefile.in: Remove all references to loop.o.
17995 * doc/invoke.texi: Remove all references to -floop-optimize
17996 and -frerun-loop-opt.
17998 2006-02-26 Zack Weinberg <zackw@panix.com>
18000 * doc/md.texi (Machine Constraints): Refer to all files with paths
18001 relative to gcc directory (i.e. config/CPU/file). Add missing
18002 @table @code ... @end table to M32C subsection.
18004 2006-02-26 Roger Sayle <roger@eyesopen.com>
18006 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
18008 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
18010 2006-02-26 Roger Sayle <roger@eyesopen.com>
18011 James A. Morrison <phython@gcc.gnu.org>
18013 PR middle-end/21137
18014 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
18015 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
18016 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
18017 signedness of the shift operation.
18019 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
18021 PR tree-optimization/26359
18022 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
18024 2006-02-25 Roger Sayle <roger@eyesopen.com>
18026 * simplify-rtx.c (simplify_relational_operation_1): Simplify
18027 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
18028 as X == 0, and some symmetry related transformations.
18029 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
18031 2006-02-25 Roger Sayle <roger@eyesopen.com>
18033 PR middle-end/23673
18034 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
18035 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
18036 symmetry related transformations. Fold (X^C1) == C2 as
18039 2006-02-25 Juergen Weigert <jw@suse.de>
18040 Richard Guenther <rguenther@suse.de>
18042 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
18044 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
18046 * combine.c (gen_lowpart_or_truncate): Call
18047 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
18049 2006-02-24 Diego Novillo <dnovillo@redhat.com>
18051 * doc/invoke.texi: Move -fopenmp description to "Options for
18053 Remove reference to -lgomp.
18055 2006-02-24 David Edelsohn <edelsohn@gnu.org>
18057 * doc/install.texi: Require GNU tar version 1.14.
18059 2006-02-24 Geoffrey Keating <geoffk@apple.com>
18061 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
18062 * doc/invoke.texi (C++ Dialect Options): Document
18063 -fno-use-cxa-get-exception-ptr.
18064 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
18065 * configure: Regenerate.
18066 * c.opt (fuse-cxa-get-exception-ptr): New.
18067 * c-opts.c (c_common_handle_option): Handle
18068 OPT_fuse_cxa_get_exception_ptr.
18069 * c-common.c (flag_use_cxa_atexit): Update documentation.
18070 (flag_use_cxa_get_exception_ptr): New.
18071 * c-common.h (flag_use_cxa_get_exception_ptr): New.
18072 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
18074 (C_COMMON_OVERRIDE_OPTIONS): New.
18076 2006-02-24 Roger Sayle <roger@eyesopen.com>
18078 PR middle-end/24952
18079 * combine.c (try_combine): Explicitly check whether GET_CODE is
18080 a SET or a CLOBBER, instead on checking that it isn't a USE.
18082 2006-02-24 Roger Sayle <roger@eyesopen.com>
18084 * fold-const.c (fold_comparison): New subroutine of fold_binary
18085 containing transformations common to both the equality and
18086 ordering relational operators, factored out of fold_binary.
18087 (fold_binary): Separate out the equality operators (EQ_EXPR
18088 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
18089 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
18090 transformations common to both.
18091 (fold_div_compare): Fix latent bugs in the previously unreachable
18092 LT_EXPR and GE_EXPR cases.
18094 2006-02-24 David Edelsohn <edelsohn@gnu.org>
18096 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
18097 decl libname for clog to __clog on AIX.
18099 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
18101 2006-02-24 Alan Modra <amodra@bigpond.net.au>
18104 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
18105 output traceback table for thunks. Localise rs6000_stack_info call.
18107 2006-02-23 Roger Sayle <roger@eyesopen.com>
18108 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18110 * gthr-posix.h (__gthrw): Fix typo in comment.
18112 2006-02-23 Geoffrey Keating <geoffk@apple.com>
18114 * doc/cpp.texi (Character sets): Document that we do support
18115 input files to be in any character set.
18117 2006-02-23 Jeff Law <law@redhat.com>
18119 * tree.h (PHI_ARG_NONZERO): Remove.
18120 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
18121 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
18122 node to the new node.
18124 PR tree-optimization/26425
18125 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
18126 min/max, then assume its varying.
18128 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
18130 PR rtl-optimization/26316
18131 * rtlanal.c (enum may_trap_p_flags): New.
18132 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
18133 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
18134 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
18135 (may_trap_after_code_motion_p): New function.
18136 * loop-invariant.c (find_identical_invariants): Fix dump formating.
18137 (find_invariant_insn): Use may_trap_after_code_motion_p.
18138 * rtl.h (may_trap_after_code_motion_p): Declare.
18140 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
18142 * emit-rtl.c (immed_double_const): Cleanup.
18144 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
18146 Fix PR tree-optimization/26376
18147 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
18150 2006-02-23 Jakub Jelinek <jakub@redhat.com>
18152 PR middle-end/26412
18153 * gimplify.c (omp_add_variable): Guard variable size decl test with
18154 DECL_SIZE (decl) check.
18156 2006-02-23 Richard Guenther <rguenther@suse.de>
18158 PR middle-end/26439
18159 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
18160 like aggregate types.
18162 2006-02-23 Jakub Jelinek <jakub@redhat.com>
18164 * configure.ac: Add --with{,out}-long-double-128 configure option.
18165 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
18166 * configure: Rebuilt.
18167 * config.in: Rebuilt.
18168 * doc/install.texi (Options specification): Document
18169 --with-long-double-128.
18171 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
18172 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
18173 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
18174 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
18176 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
18178 * config/s390/s390.c (override_options): Handle
18179 TARGET_DEFAULT_LONG_DOUBLE_128.
18181 * config/alpha/alpha.c (override_options): Handle
18182 TARGET_DEFAULT_LONG_DOUBLE_128.
18184 * config/sparc/sparc.c (sparc_override_options): Handle
18185 TARGET_DEFAULT_LONG_DOUBLE_128.
18187 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
18189 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
18190 (real-install-headers-tar, real-install-headers-cpio)
18191 (real-install-headers-cp): New targets.
18193 2006-02-22 Richard Sandiford <richard@codesourcery.com>
18195 * tree.h (variable_section): Delete.
18196 * varasm.c (variable_section): Delete.
18198 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
18200 * install.texi: Add notes on install.texi2html.
18201 (Building in parallel): Do not use footnotes.
18203 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
18206 * doc/install.texi (Configuration): Document --disable-libgomp.
18208 2006-02-21 Geoffrey Keating <geoffk@apple.com>
18210 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
18212 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
18214 * config/i386/sse.md (vec_extractv2df_1_sse): New.
18215 (vec_extractv2df_0_sse): New.
18217 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
18219 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
18220 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
18221 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
18222 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
18223 to the result of the expression.
18224 (def_cfa_1): Adjust.
18225 (frame_pointer_cfa_offset): Rename to...
18226 (frame_pointer_fb_offset): ... this. Adjust all uses.
18227 (convert_cfa_to_loc_list): Rename to...
18228 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
18229 Pass it on to build_cfa_loc.
18230 (compute_frame_pointer_to_cfa_displacement): Rename to...
18231 (compute_frame_pointer_to_fb_displacement): ... this. New
18232 offset parameter. Use it in computation.
18233 (gen_subprogram_die): Compute cfa_fb_offset with the new
18234 macro, and use it to compute the fb loc list and the
18237 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
18239 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
18240 replaced with register_operand.
18241 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
18242 non-DREG is expensive.
18243 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
18244 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
18247 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
18249 * doc/install.texi2html: Use set -e.
18251 2006-02-21 Richard Sandiford <richard@codesourcery.com>
18253 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
18254 (ASM_OUTPUT_SHARED_LOCAL): Delete.
18255 * doc/invoke.texi (-fshared-data): Delete.
18256 * common.opt (fshared-data): Delete.
18257 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
18258 (assemble_static_space): Remove #if 0 code.
18259 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
18260 (ASM_OUTPUT_SHARED_LOCAL): Poison.
18261 * config/cris/cris.h: Remove FIXME.
18263 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
18265 * doc/sourcebuild.texi (Front End Directory): No more double-colon
18268 2006-02-21 Jakub Jelinek <jakub@redhat.com>
18270 PR middle-end/26379
18271 * combine.c (simplify_shift_const_1): Disable nested shifts
18272 optimization for vector shifts.
18274 2006-02-20 Roger Sayle <roger@eyesopen.com>
18276 PR tree-optimization/26361
18277 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
18278 of unsigned integer types.
18280 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
18282 * tree-chrec.c (eq_evolutions_p): New.
18283 * tree-chrec.h (eq_evolutions_p): Declared.
18284 * tree-data-ref.c: Fix formatting.
18285 (datadep_stats, dependence_stats): New.
18287 (print_direction_vector): New.
18288 (dump_data_dependence_relation): Use print_direction_vector.
18289 (object_analysis, create_data_ref): Handle COMPONENT_REF.
18290 (compute_subscript_distance): Static.
18291 (initialize_data_dependence_relation): Static. Get the number
18292 of loops surrounding the references from the callers, and initialize
18293 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
18294 base_object_differ_p analyzers.
18295 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
18296 compute_overlap_steps_for_affine_1_2,
18297 analyze_subscript_affine_affine): Count the classified dependences.
18298 Print a message when a test failed.
18299 (can_use_analyze_subscript_affine_affine): New.
18300 (analyze_siv_subscript): Compute the data dependences on symbolic
18301 scevs that verify can_use_analyze_subscript_affine_affine.
18302 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
18303 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
18304 Handle symbolic scevs.
18305 (analyze_overlapping_iterations): Let symbolic affine scevs to be
18307 (subscript_dependence_tester): Moved...
18308 (build_classic_dist_vector, build_classic_dir_vector): Don't use
18309 lambda_vector_clear on newly allocated vectors. Get nb_loops from
18310 DDR_SIZE_VECT instead of getting it in parameter.
18311 (subscript_dependence_tester): ... here. Take as a parameter
18312 loop_nest_depth. Call build_classic_dist_vector and
18313 build_classic_dir_vector.
18314 (compute_affine_dependence): Update subscript_dependence_tester
18315 parameters. Update datadep_stats counters. Call
18316 compute_subscript_distance.
18317 (compute_self_dependence): Save the dist and dir vectors. Call
18318 compute_subscript_distance.
18319 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
18320 (compute_all_dependences): Reorder parameters as they were before
18321 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
18322 compute_subscript_distance. Update the use of
18323 compute_affine_dependence and initialize_data_dependence_relation.
18324 (find_data_references_in_loop): Handle COMPONENT_REF.
18325 (compute_data_dependences_for_loop): Initialize dependence_stats.
18326 Don't call build_classic_dist_vector and build_classic_dir_vector.
18327 Update the parameters of initialize_data_dependence_relation and
18328 compute_all_dependences. Print the statistics from datadep_stats.
18329 (analyze_all_data_dependences): Static. Not used until the pass for
18330 checking the data dependences is contributed.
18331 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
18332 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
18333 (initialize_data_dependence_relation, compute_affine_dependence,
18334 analyze_all_data_dependences, compute_subscript_distance): Removed.
18335 (print_direction_vector): New.
18336 * lambda.h (gcd): ... here.
18337 (lambda_vector_gcd): Moved here from gcd_vector.
18338 * lambda-code.c (gcd, gcd_vector): Removed.
18339 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
18340 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
18342 2006-02-20 Diego Novillo <dnovillo@redhat.com>
18344 * ipa-type-escape.c: Tidy some comments and white space.
18345 * tree-ssa-operands.c: Likewise.
18347 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
18350 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
18351 (dump_decl_name): Do not walk the decl tree chains.
18352 * tree-pass.h (TDF_CHAIN): Remove.
18354 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18356 * Makefile.in (C): Remove
18358 (.PHONY): Remove C and PROTO
18360 2006-02-20 Roger Sayle <roger@eyesopen.com>
18362 PR middle-end/26236
18363 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
18364 deprecated CHAR_TYPE tree code.
18366 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
18368 * configure.ac (target_list): Add install-info, dvi, html.
18369 * configure: Regenerate.
18371 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
18372 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
18373 treelang/Make-lang.in: Do not use double-colon rules.
18375 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
18377 * tree.h (struct tree_memory_tag): Add is_used_alone member.
18378 (TMT_USED_ALONE): New macro.
18379 * tree-pass.h (PROP_tmt_usage): New property.
18380 (TODO_update_tmt_usage): New todo.
18381 * tree-ssa-alias.c (updating_used_alone): New variable.
18382 (recalculate_used_alone): New function.
18383 (compute_may_aliases): Set updating_used_alone, call
18384 recalculate_used_alone.
18385 * tree-sra.c (pass_sra): Note that this pass destroys
18386 PROP_tmt_usage, and add TODO_update_tmt_usage.
18387 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
18388 * tree-flow.h (updating_used_alone): Prototype.
18389 (recalculate_used_alone): Ditto.
18390 * passes.c (execute_todo): Add code to set updating_used_alone,
18391 and call recalculate.
18392 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
18393 for clobber if used alone, and add assert to verify used_alone
18396 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
18398 * config/s390/s390.c (legitimize_pic_address): Assertions checking
18399 for non tls symbols added.
18400 (legitimize_address): Do nothing for PLUS expressions if one of the
18401 addends is a tls symbol reference.
18403 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
18407 * Makefile.in (LDFLAGS): Define from autoconf substitution.
18409 * Makefile.in (BOOTSTRAPPING): New.
18410 (quickstrap): New definition if BOOTSTRAPPING=yes.
18412 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
18413 * configure.ac: Substitute all_selected_languages with the languages
18414 that were configured. For all the other variables except
18415 lang_specs_files, include all the languages in the tree.
18416 * configure: Regenerate.
18418 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
18419 if there is one. Run the commands to run fixincludes in the same
18422 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
18423 * doc/install.texi: Document exact conventions for searching target tools.
18424 Document --with-build-time-tools. Document toplevel bootstrap. Document
18425 something more about building an Ada cross-compiler. Don't list GNU Make
18426 requirements which affect all platforms.
18428 2006-02-19 Roger Sayle <roger@eyesopen.com>
18430 PR middle-end/19543
18431 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
18432 only equivalent if the have both the same mode and precision.
18434 2006-02-20 Ben Elliston <bje@au.ibm.com>
18436 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
18438 2006-02-19 Roger Sayle <roger@eyesopen.com>
18439 Steven Bosscher <stevenb.gcc@gmail.com>
18441 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
18442 constant pool references to identify stack mode constants.
18443 * rtlanal.c (constant_pool_constant_p): New predicate to check
18444 whether operand is a floating point constant in the pool.
18445 * rtl.h (constant_pool_constant_p): Prototype here.
18446 * loop.c (scan_loop): Avoid hoisting constants from the constant
18447 pool on STACK_REGS targets.
18448 (load_mems): Likewise.
18449 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
18450 loads into x87 registers expensive in terms of register pressure.
18452 2006-02-19 Roger Sayle <roger@eyesopen.com>
18454 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
18455 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
18457 2006-02-19 David Edelsohn <edelsohn@gnu.org>
18459 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
18460 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
18462 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
18464 * doc/invoke.texi: Document -fipa-pta.
18465 * common.opt: Add ipa-pta option.
18466 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
18467 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
18468 (do_ds_constraint): Ditto.
18469 (get_constraint_for): Only add to referenced_vars if
18470 referenced_vars exists.
18471 (insert_into_field_list): Rewrite to do this unsorted.
18472 (insert_into_field_list_sorted): Rename old insert_into_field_list
18474 (create_function_info_for): Use insert_into_field_list_sorted.
18475 (create_variable_info_for): Rewrite so it uses unsorted version,
18476 since the field list is sorted.
18477 (intra_create_variable_infos): Only add to referenced_vars if
18478 referenced_vars exists.
18479 (ipa_pta_execute): Init heapvars, and delete when done.
18480 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
18482 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18484 * doc/install.texi: Add missing `@samp'.
18486 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18488 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
18491 2006-02-18 Mark Wielaard <mark@klomp.org>
18493 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
18494 who added new 4.1 features, bug fixes and integration support.
18496 2006-02-18 David Edelsohn <edelsohn@gnu.org>
18499 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
18500 MEM for ABI_V4 pic.
18502 2006-02-18 Richard Sandiford <richard@codesourcery.com>
18504 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
18505 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
18506 (copy_insn_1): Likewise. Don't copy each field individually.
18508 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
18510 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
18511 * rtl.c (rtx_size): Rename variable to...
18512 (rtx_code_size): ...this.
18513 (rtx_size): New function.
18514 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
18515 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
18517 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
18518 * rtl.h (rtx_code_size): New variable.
18519 (rtx_size): Change from a variable to a function.
18520 (RTX_SIZE): Rename to...
18521 (RTX_CODE_SIZE): ...this.
18524 PR tree-optimization/17106
18525 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
18526 (Anchored Addresses): New section.
18527 * doc/invoke.texi (-fsection-anchors): Document.
18528 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
18529 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
18530 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
18531 * hooks.c (hook_bool_mode_rtx_false): New function.
18532 * hooks.h (hook_bool_mode_rtx_false): Declare.
18533 * gengtype.c (create_optional_field): New function.
18534 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
18535 SYMBOL_REF_IN_BLOCK_P is true.
18536 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
18537 (min_anchor_offset, max_anchor_offset): Likewise.
18538 (use_anchors_for_symbol_p): New hook.
18539 * toplev.c (compile_file): Call output_object_blocks.
18540 (target_supports_section_anchors_p): New function.
18541 (process_options): Check that -fsection-anchors is only used on
18542 targets that support it and when -funit-at-a-time is in effect.
18543 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
18544 if the decl doesn't have one.
18545 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
18546 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
18547 of force_const_mem through use_anchored_address.
18548 (expand_expr_constant): New function.
18549 (expand_expr_addr_expr_1): Call it. Use the same modifier when
18550 calling expand_expr for INDIRECT_REF.
18551 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
18552 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
18553 * expr.h (use_anchored_address): Declare.
18554 * loop-unroll.c: Don't declare rtx vectors here.
18555 * explow.c: Include output.h.
18556 (validize_mem): Call use_anchored_address.
18557 (use_anchored_address): New function.
18558 * common.opt (-fsection-anchors): New switch.
18559 * varasm.c (object_block_htab, anchor_labelno): New variables.
18560 (hash_section, object_block_entry_eq, object_block_entry_hash)
18561 (use_object_blocks_p, get_block_for_section, create_block_symbol)
18562 (use_blocks_for_decl_p, change_symbol_section): New functions.
18563 (get_variable_section): New function, split out from assemble_variable.
18564 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
18565 use_blocks_for_decl_p say so. Use change_symbol_section if the
18566 symbol has already been created.
18567 (assemble_variable_contents): New function, split out from...
18568 (assemble_variable): ...here. Don't output any code for
18569 block symbols; just pass them to place_block_symbol.
18570 Use get_variable_section and assemble_variable_contents.
18571 (get_constant_alignment, get_constant_section, get_constant_size): New
18572 functions, split from output_constant_def_contents.
18573 (build_constant_desc): Create a block symbol if use_object_blocks_p
18574 says so. Or into SYMBOL_REF_FLAGS.
18575 (assemble_constant_contents): New function, split from...
18576 (output_constant_def_contents): ...here. Don't output any code
18577 for block symbols; just pass them to place_section_symbol.
18578 Use get_constant_section and get_constant_alignment.
18579 (force_const_mem): Create a block symbol if use_object_blocks_p and
18580 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
18581 (output_constant_pool_1): Add an explicit alignment argument.
18582 Don't switch sections here.
18583 (output_constant_pool): Adjust call to output_constant_pool_1.
18584 Switch sections here instead. Don't output anything for block symbols;
18585 just pass them to place_block_symbol.
18586 (init_varasm_once): Initialize object_block_htab.
18587 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
18588 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
18589 (place_block_symbol, get_section_anchor, output_object_block)
18590 (output_object_block_htab, output_object_blocks): New functions.
18591 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
18592 (TARGET_ASM_OUT): Include it.
18593 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
18594 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
18595 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
18596 (TARGET_INITIALIZER): Include them.
18597 * rtl.c (rtl_check_failed_block_symbol): New function.
18598 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
18599 (block_symbol, object_block): New structures.
18600 (rtx_def): Add a block_symbol field to the union.
18601 (BLOCK_SYMBOL_CHECK): New macro.
18602 (rtl_check_failed_block_symbol): Declare.
18603 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
18604 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
18605 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
18606 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
18607 * output.h (output_section_symbols): Declare.
18608 (object_block): Name structure.
18609 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
18610 (default_use_anchors_for_symbol_p): Declare.
18611 * Makefile.in (RTL_BASE_H): Add vec.h.
18612 (explow.o): Depend on output.h.
18613 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
18614 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
18615 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
18616 (rs6000_use_blocks_for_constant_p): New function.
18618 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18620 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
18622 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18625 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
18628 2006-02-18 Diego Novillo <dnovillo@redhat.com>
18630 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
18634 2006-02-18 Jakub Jelinek <jakub@redhat.com>
18636 PR middle-end/26334
18637 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
18638 instead of DECL_REGISTER.
18640 2006-02-18 Olivier Hainque <hainque@adacore.com>
18643 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
18645 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
18648 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
18649 * opth-gen.awk: Handle Var and InverseMask together.
18650 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
18651 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
18652 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
18653 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
18655 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18656 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18657 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
18658 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18659 LINUX_DYNAMIC_LINKER): Define.
18660 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
18661 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
18663 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18664 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
18665 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18666 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18667 (TARGET_C99_FUNCTIONS): Don't define.
18668 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
18669 GLIBC_DYNAMIC_LINKER.
18670 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
18671 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
18672 GLIBC_DYNAMIC_LINKER64): Define.
18673 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18674 LINUX_DYNAMIC_LINKER64.
18675 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18676 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18677 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
18678 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18679 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18680 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18681 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
18682 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
18683 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
18684 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
18685 and LINUX_DYNAMIC_LINKER32.
18686 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18687 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18688 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
18689 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18690 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
18692 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
18693 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
18694 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18695 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18696 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18697 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
18698 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
18699 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
18700 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18701 LINUX_DYNAMIC_LINKER): Define.
18702 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
18703 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
18704 GLIBC_DYNAMIC_LINKER64): Define.
18705 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18706 LINUX_DYNAMIC_LINKER64.
18707 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18708 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18709 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
18710 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18711 LINUX_DYNAMIC_LINKER): Define.
18712 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18713 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18714 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
18715 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
18716 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
18717 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18718 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
18719 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
18720 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18721 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18722 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18723 * doc/invoke.texi (-muclibc): Remove caveat about supported
18726 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
18728 * doc/cpp.texi (__TIMESTAMP__): Document.
18730 2006-02-17 Roger Sayle <roger@eyesopen.com>
18732 PR middle-end/25600
18733 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18734 C is one less than the width of X (and related transformations).
18735 * simplify-rtx.c (simplify_unary_operation_1): Transform
18736 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18737 depending on STORE_FLAG_VALUE, were C is one less then the
18740 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
18742 Fix PR tree-optimization/26341
18743 * tree-ssa-operands.c (add_virtual_operand): Remove assert
18744 about NAME_MEMORY_TAG's.
18746 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18749 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18750 with hardware float support, and software float support. Add fcpy
18751 alternative to hardware patterns. Add alternatives to copy between
18752 general and floating-point registers to the 32-bit pattern.
18753 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18754 secondary reload to load a QI or HI mode constant into a floating
18756 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18757 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
18759 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
18762 * config/rs6000/darwin.md (load_macho_picbase_si): Add
18764 (load_macho_picbase_di): Likewise.
18766 2006-02-16 Jeff Law <law@redhat.com>
18768 * tree-vrp.c (set_value_range_to_nonnegative): New function.
18769 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18770 (ssa_name_nonzero_p): Likewise.
18771 (get_value_range): Return NULL if VRP is not running.
18772 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
18773 VRP routines do not discover a range.
18774 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18775 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18776 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18777 (tree_expr_nonnegative_p): Similarly.
18778 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18779 (restore_nonzero_vars_to_original_value): Remove.
18780 (unsafe_associative_fp_binop): Remove.
18781 (tree_ssa_dominator_optimize): Remove initialization and
18782 finalization of nonzero_vars and nonzero_vars_stack.
18783 (dom_opt_initialize_block): No longer push marker on
18784 nonzero_vars_stack.
18785 (dom_opt_finalize_block): No longer call
18786 restore_nonzero_vars_to_original_value.
18787 (record_equivalences_from_phis): No longer look for
18788 nonzero PHI arguments.
18789 (cprop_into_successor_phis): No longer propagate nonzero
18790 property into PHI arguments. Lose unused argument. Caller
18792 (record_equivalences_from_stmt): No longer record nonzero
18793 values for SSA_NAMEs.
18794 (lookup_avail_expr): No longer use nonzero_vars.
18796 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18797 for sizetype when sizetype is unsigned.
18799 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
18801 PR rtl-optimization/25603
18802 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18803 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18804 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18805 with new meaning of SETS.
18807 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
18812 * config/linux.opt: New file.
18813 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18814 LINUX_DYNAMIC_LINKER): Define.
18815 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18816 * config.gcc (*-*-linux*): Define extra_options.
18817 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18818 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18819 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18820 GLIBC_DYNAMIC_LINKER.
18821 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18822 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18823 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18824 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18825 * doc/invoke.texi (GNU/Linux Options): New section.
18827 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
18829 * config/sparc/sparc.md (setjmp): Rewrite.
18830 (setjmp_32): Delete.
18831 (setjmp_64): Likewise.
18833 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
18835 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18838 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18840 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18843 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18845 PR rtl-optimization/26296
18846 * Makefile.in (loop-invariant.c): Add except.h dependency.
18847 * loop-invariant.c: Include except.h.
18848 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18850 2005-02-16 Paul Brook <paul@codesourcery.com>
18852 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18855 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18857 PR rtl-optimization/25636
18858 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18859 when deciding whether an insn is an initializing insn.
18861 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18863 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18864 (tree_code_size): Ditto.
18865 * tree.h (struct tree_memory_tag): Remove parent_var.
18866 (struct tree_struct_field_tag): New.
18869 (union tree_node): Add sft member.
18870 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18872 (create_sft): Add size and offset argument, set SFT_OFFSET and
18874 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18875 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18876 * tree-flow-inline.h (get_subvar_at): Update for
18877 SFT_OFFSET/SFT_SIZE.
18878 (var_can_have_subvars): Ditto.
18879 (overlap_subvar): Ditto.
18880 * print-tree.c (print_node): Print out interesting things for
18882 * tree-flow.h (struct subvar): Remove offset and size members.
18883 * tree-ssa-operands.c (get_expr_operands): Update for
18884 get_indirect_ref_operands changes.
18885 (get_indirect_ref_operands): Call add_virtual_operand instead of
18886 add_stmt_operand. Only recurse on base var if requested.
18887 (access_can_touch_variable): New function.
18888 (add_stmt_operand): Split virtual operand handling into ...
18889 (add_virtual_operand): Here. Add offset, size, and for_clobber
18890 arguments. Prune alias sets.
18891 (add_call_clobber_ops): Call add_virtual_operand.
18893 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18895 PR middle-end/26300
18896 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18898 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18899 than TREE_CODE as index into omp_clause_num_ops array.
18901 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18903 PR rtl-optimization/26184
18904 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18906 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18907 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18908 must_precede, must_follow and tobe_scheduled.
18911 * opts.c (common_handle_option): Free new_option pointer.
18912 * df-core.c (df_analyze): Free postorder pointer.
18914 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18916 * Makefile.in: Fix the examples about the use of stamps
18918 2006-02-15 Michael Matz <matz@suse.de>
18920 PR middle-end/22275
18922 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18923 influenced by maximum_field_alignment or DECL_PACKED.
18924 (update_alignment_for_field): Ditto.
18925 (place_field): Ditto.
18926 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18929 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18931 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18932 (debug_flow_info): Pass it.
18933 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18934 * bb-reorder.c (reorder_basic_blocks): Likewise.
18935 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18936 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18937 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18938 * gcse.c (gcse_main, bypass_jumps): Likewise.
18939 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18940 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18941 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18942 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18943 * rtl.h (dump_flow_info): Adjust prototype.
18944 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18945 * var-tracking.c (variable_tracking_main): Likewise.
18946 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18947 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18950 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18952 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18955 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18957 PR tree-optimization/26209
18958 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18959 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18961 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18963 2006-02-14 Roger Sayle <roger@eyesopen.com>
18965 PR middle-end/23670
18966 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18967 (X,Y) and the corresponding symmetry related transformations.
18968 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18969 (X,Y) and its symmetry related transformations.
18971 2006-02-14 Roger Sayle <roger@eyesopen.com>
18973 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18976 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18978 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18980 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18983 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18984 support COMDAT group.
18985 * configure: Regenerate.
18987 2006-02-14 Roger Sayle <roger@eyesopen.com>
18989 PR middle-end/26279
18990 PR middle-end/26280
18991 PR middle-end/26283
18992 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18994 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18996 Fix PR tree-optimization/26260
18998 * doc/invoke.texi (max-fields-for-field-sensitive): Document
19000 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
19001 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
19002 * tree-ssa-structalias.c (create_variable_info_for): Use
19003 MAX_FIELDS_FOR_FIELD_SENSITIVE.
19005 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
19007 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
19009 * tree-ssa-loop-niter.c (number_of_iterations_ne,
19010 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
19011 of the ending condition.
19012 * tree-ssa-loop-manip.c: Include params.h.
19013 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
19014 tree_unroll_loop): New functions.
19015 * tree-pass.h (pass_loop_prefetch): Declare.
19016 * loop.c (rest_of_handle_loop_optimize): Test for
19017 -fprefetch-loop-arrays-rtl.
19018 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
19019 * timevar.def (TV_TREE_PREFETCH): New timevar.
19020 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
19021 pass_loop_prefetch): New.
19022 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
19023 (cleanup_tree_cfg_loop): Call scev_reset.
19024 * common.opt (fprefetch-loop-arrays-rtl): Add.
19025 * tree-ssa-loop-prefetch.c: New file.
19026 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
19027 (new_temp_expr_table): Initialize expr_vars.
19028 (free_temp_expr_table): Cleanup expr_vars.
19029 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
19030 expressions from being merged into one.
19031 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
19032 (struct tree_niter_desc): Add control, bound and cmp fields.
19033 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
19035 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
19036 (tree-cfgcleanup.o): Add SCEV_H dependency.
19037 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
19038 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
19040 2006-02-14 Richard Guenther <rguenther@suse.de>
19042 PR tree-optimization/26258
19043 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
19044 in PHI argument processing.
19046 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
19048 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
19049 new expression in the requested machine mode.
19051 2006-02-13 Roger Sayle <roger@eyesopen.com>
19053 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
19054 directly, instead let do_compare_rtx_and_jump handle this for us.
19055 * expr.c (expand_expr_real_1): Likewise.
19056 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
19057 before do_jump_by_parts_greater.
19058 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
19059 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
19061 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19063 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
19065 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
19067 PR rtl-optimization/26235
19068 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
19069 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
19072 2006-02-13 Jeff Law <law@redhat.com>
19074 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
19077 2006-02-13 Jakub Jelinek <jakub@redhat.com>
19079 PR middle-end/26092
19080 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
19081 twice if decl is a builtin. When trying again, call get_callee_fndecl
19082 first to verify it is still a builtin.
19084 2006-02-13 Geoffrey Keating <geoffk@apple.com>
19086 * dwarf2out.c (base_type_die): Don't add AT_name here.
19087 (subrange_type_die): Don't add AT_name here.
19088 (modified_type_die): Rearrange code flow. Do add AT_name here.
19090 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
19092 PR rtl-optimization/26247
19093 PR rtl-optimization/26248
19094 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
19096 2006-02-13 Richard Sandiford <richard@codesourcery.com>
19098 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
19099 * config/fixtfdi.c: Likewise.
19100 * config/fixunstfdi.c: Likewise.
19101 * config/floatditf.c: Likewise.
19103 2006-02-13 Roger Sayle <roger@eyesopen.com>
19105 PR middle-end/24427
19106 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
19107 into (X,C2) if C1 is a subset of the bits of C2. Transform
19108 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
19110 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
19112 2006-02-13 Josh Conner <jconner@apple.com>
19115 * varasm.c (function_section): Check for section name before
19116 calling select_section on targets that define
19117 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
19118 unlikely_text_section instead of hot_function_section if
19119 first_function_block_is_cold.
19121 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
19123 PR middle-end/25335
19124 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
19126 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
19128 PR rtl-optimization/26222
19129 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
19130 after tree->rtl expansion.
19131 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
19132 before passing it to emit_move_insn.
19134 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
19136 * doc/invoke.texi (-Write-strings): Document that it is enabled by
19138 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
19139 Clarify documentation.
19140 * c-common.h (warn_write_strings): Remove.
19141 * c-common.c (warn_write_strings): Likewise.
19142 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
19145 2006-02-12 Roger Sayle <roger@eyesopen.com>
19147 PR middle-end/25724
19148 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
19149 (do_jump_parts_zero_rtx): New function renamed from
19150 do_jump_parts_equality_rtx. Made static. Add a mode argument.
19151 (do_jump_parts_equality_rtx): New function split out from
19152 do_jump_parts_equality. Old implementation renamed as above.
19153 Call do_jump_parts_zero_rtx if either operand is zero.
19154 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
19155 do all of the heavy lifting.
19156 (do_compare_rtx_and_jump): Handle multi-word comparisons by
19157 calling either do_jump_by_parts_greater_rtx or
19158 do_jump_by_parts_equality_rtx.
19159 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
19160 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
19161 moved to do_compare_rtx_and_jump, call it directly.
19162 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
19163 mode argument. Call do_compare_rtx_and_jump.
19164 (emit_case_nodes): Update calls to do_jump_if_equal.
19166 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
19168 PR rtl-optimization/26225
19169 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
19171 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
19173 PR rtl-optimization/26232
19174 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
19176 2006-02-11 Jason Merrill <jason@redhat.com>
19179 * tree-inline.c (declare_return_variable): Just don't use the
19180 modify target if it's a gimple complex reg and the return slot
19183 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19185 * doc/contrib.texi: Update my entry.
19187 2006-02-10 Geoffrey Keating <geoffk@apple.com>
19189 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
19191 2006-02-10 Diego Novillo <dnovillo@redhat.com>
19193 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
19196 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
19198 * doc/invoke.texi (-floop-optimize2): Removed.
19199 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
19200 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
19201 Test flag_branch_on_count_reg only if HAVE_doloop_end.
19202 * common.opt (floop-optimize2): Removed.
19203 (fmove-loop-invariants): Enabled by default.
19205 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
19207 * tree-if-conv.c (combine_blocks): Free the result of
19208 get_loop_exit_edges.
19210 2006-02-10 Jeff Law <law@redhat.com>
19212 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
19214 PR tree-optimization/26213
19215 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
19216 loop trying to follow SSA_NAME_VALUE chains.
19218 2006-02-10 Richard Guenther <rguenther@suse.de>
19220 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
19221 deal with structures that end in implicitly variable sized arrays.
19223 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
19225 PR rtl-optimization/24762
19226 * df-scan.c (df_bb_refs_record): Record correct registers defined on
19229 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
19231 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
19232 (struct ivopts_data): Add regs_used field.
19233 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
19234 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
19235 instead of loop_data->regs_used;
19236 (free_loop_data): Do not free aux fields for loops.
19237 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
19238 and tree_ssa_iv_optimize_finalize.
19240 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
19242 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
19244 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
19247 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
19248 computing the effective result type.
19250 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
19252 PR inline-asm/16194
19253 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
19254 (tree_overlaps_hard_reg_set): Declare.
19255 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
19256 type and signature to match function type expected by walk_tree.
19257 (tree_overlaps_hard_reg_set): New function.
19258 (decl_conflicts_with_clobbers_p): Rename to:
19259 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
19260 Use tree_overlaps_hard_reg_set. Changed caller.
19261 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
19262 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
19263 * cris.c (cris_md_asm_clobbers): Likewise.
19265 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
19267 * reload1.c (emit_input_reload_insns): Delete code that tries to
19268 inherit using find_equiv_reg.
19270 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
19272 * c-common.h (flag_const_strings): Don't declare.
19273 * c-common.c (flag_const_strings): Remove.
19274 * c.opt (fconst_strings): Remove.
19275 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
19276 <OPT_Wwrite_strings>: Don't set flag_const_strings.
19277 (c_common_init_options): Don't set flag_const_strings.
19278 * doc/invoke.texi (-fno-const-strings): Remove documentation.
19280 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
19282 * arm.md (tlobits_cbranch): New pattern.
19283 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
19284 testing a single bit.
19286 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
19289 * tree-ssa-pre.c (create_component_ref_by_pieces):
19290 Handle RETURN_DECL like VAR_DECL.
19292 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
19294 PR middle-end/26134
19295 * fold-const.c (fold_indirect_ref_1): Fold
19296 "*(foo *)&complexfoo" to "__real__ complexfoo"
19297 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
19299 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
19301 * tree-flow-inline.h (var_can_have_subvars):
19302 Volatile variables should not have subvariables.
19304 2006-02-09 Diego Novillo <dnovillo@redhat.com>
19307 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
19308 multiplying unsigned values.
19311 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
19313 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
19315 2006-02-08 Jason Merrill <jason@redhat.com>
19318 * tree.def: Elaborate on difference from MODIFY_EXPR.
19319 * doc/c-tree.texi (INIT_EXPR): Likewise.
19320 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
19321 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
19322 (gimplify_target_expr): Likewise.
19323 (gimplify_cond_expr): Remove target handling.
19324 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
19325 (gimplify_expr): Clobber it here.
19326 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
19327 Do return slot optimization if we have an INIT_EXPR.
19330 * tree-inline.c (declare_return_variable): Also clear
19331 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
19334 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
19336 PR middle-end/22439
19337 * gimplify.c (gimplify_one_sizepos): Fix typo.
19339 2006-02-08 Jeff Law <law@redhat.com>
19341 PR tree-optimization/21417
19342 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
19343 across a backedge if the control statement at the end of the
19344 block is data dependent on other statements in the same block.
19345 (record_temporary_equivalences_from_stmts): Remove over-conservative
19346 test for threading across backedges.
19348 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
19349 control statement, handle all three special cases in the same
19350 manner as they all have the same desired solution. No longer
19351 special case edge flag updating when the post dominator is
19354 2006-02-08 Roger Sayle <roger@eyesopen.com>
19356 * tree.def (CHAR_TYPE): Remove.
19357 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
19358 * dwarf2out.c (base_type_die, is_base_type): Likewise.
19359 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
19360 (gen_string_type_die): Delete unreachable function.
19362 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
19363 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
19364 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
19365 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
19366 * builtins.c (type_to_class): Likewise.
19367 * fold-const.c (fold_convert, build_range_check,
19368 merge_ranges): Likewise.
19369 * expr.c (count_type_elements): Likewise.
19370 * c-pretty-print.c (pp_c_type_specifier): Likewise.
19371 * stor-layout.c (layout_type): Likewise.
19372 * ipa-type-escape.c (type_to_consider): Likewise.
19373 * gimplify.c (omp_firstprivatize_type_sizes,
19374 gimplify_type_sizes): Likewise.
19375 * explow.c (promote_mode): Likewise.
19376 * tree-sra.c (is_sra_scalar_type): Likewise.
19377 * varasm.c (output_constant): Likewise.
19378 * tree-inline.c (remap_type_1): Likewise.
19379 * convert.c (convert_to_pointer, convert_to_real,
19380 convert_to_integer, convert_to_complex): Likewise.
19382 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
19384 * df-scan.c (df_def_record_1): A set destination may
19385 be a parallel regardless of mode.
19387 2006-02-08 Roger Sayle <roger@eyesopen.com>
19390 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
19391 * config/mips/_tilib.c: Remove.
19392 * config/fixtfdi.c: New libgcc source file.
19393 * config/fixunstfdi.c: New source file.
19394 * config/floatditf.c: New source file.
19395 * config/floatunditf.c: New souce file.
19396 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
19397 files above instead of config/mips/_tilib.c.
19398 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
19400 2006-02-08 Jeff Law <law@redhat.com>
19402 PR tree-optimization/26169
19403 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
19406 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
19408 * df.h (DF_REG_SIZE): Return the length of the initialized
19411 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
19413 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
19414 __muldf3): Return a correctly signed zero.
19416 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
19418 * passes.c (register_one_dump_file): Accept the current properties
19419 instead of pass number. Adjust call to dump_register. Remove
19421 (register_dump_files): Now a wrapper around...
19422 (register_dump_files_1): ... this one. Do not modify the pass
19424 (next_pass_1): Cosmetic fix.
19425 (execute_todo): Keep second parameter only. Use curr_properties
19426 instead of fetching it from the pass structure. Check and set
19428 (execute_one_pass): Handle TODO_set_props. Use curr_properties
19429 instead of fetching it from the pass structure. Fix calls to
19430 execute_todo. Update curr_properties and initialize .vcg RTL dump
19431 after running the pass. Reset last_verified.
19432 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
19434 (FIRST_AUTO_NUMBERED_DUMP): New.
19435 (dump_register): Remove "num" parameter, assign it within the
19437 (get_dump_file_name): Modify template for dumps.
19438 * tree-dump.h (dump_register): Adjust prototype.
19439 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
19440 (PROP_trees): Add PROP_gimple_lomp.
19441 (TODO_set_props): New.
19442 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
19443 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
19444 * cfgexpand.c (pass_expand): Destroy PROP_trees.
19446 2006-02-08 Jakub Jelinek <jakub@redhat.com>
19448 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
19449 (sparc64-*-linux*): Likewise.
19450 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
19451 * config/sparc/t-linux: New file.
19452 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
19453 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
19454 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
19455 -m32 -mlong-double-128.
19457 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
19458 * config/alpha/t-linux: New file.
19459 * config/alpha/libgcc-alpha-ldbl.ver: New file.
19461 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
19462 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
19463 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
19464 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
19465 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
19466 (CPP_ARCH32_SPEC): Remove.
19468 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
19470 PR tree-optimization/26145
19471 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
19474 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19477 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
19478 >= 240000 when generating code for SOM runtime.
19479 (output_indirect_call): Don't use "b,l" instruction for indirect calls
19480 to $$dyncall when generating code for SOM runtime..
19482 2006-02-07 Dirk Mueller <dmueller@suse.com>
19485 * doc/invoke.texi (-Wsequence-point): Update documentation
19486 that -Wsequence-point is implemented for C++ as well.
19488 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19490 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
19491 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
19492 (LIB_SPEC): Likewise.
19493 * doc/invoke.texi (SPARC options): Document -pthread.
19495 2006-02-07 Geoffrey Keating <geoffk@apple.com>
19497 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
19500 2006-02-07 Roger Sayle <roger@eyesopen.com>
19502 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
19503 Correct comment describing BOOLEAN_TYPE.
19505 2006-02-07 Dirk Mueller <dmueller@suse.com>
19507 * c.opt: C++ frontend supports -Wdiv-by-zero.
19508 * c-opts.c (c_common_handle_option): Remove dead case.
19510 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19512 * configure.ac (TLS assembler check): Do not enable TLS by
19513 default on SPARC/Solaris before version 10.
19514 * configure: Regenerate.
19516 2006-02-07 David Edelsohn <edelsohn@gnu.org>
19518 * doc/invoke.texi (xl-compat): Document conversion and support
19521 2006-02-07 Jeff Law <law@redhat.com>
19523 * tree-vrp.c (find_conditional_asserts): Update comments.
19524 (simplify_stmt_for_jump_threading): New.
19525 (identify_jump_threads, finalize_jump_threads): New.
19526 (vrp_finalize): Call identify_jump_threads.
19527 (execute_vrp): Call finalize_jump_threads.
19528 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
19529 (vrp_element, vrp_data, vrp_element_p): Remove.
19530 (vrp_hash_elt, vrp_variables_stack): Remove.
19531 (vrp_hash, vrp_eq, record_range): Remove.
19532 (simplify_cond_and_lookup_avail_expr): Remove.
19533 (extract_range_from_cond): Remove.
19534 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
19535 (simplify_stmt_for_jump_threading): New.
19536 (dom_thread_across_edge): New wrapper.
19537 (tree_ssa_dominator_optimize): No longer initialize or
19538 finalize any of the VRP datastructures. Remove iteration
19539 step and simplify as a result of removal of iteration step.
19540 (pass_dominator): Perform a cfg cleanup after DOM.
19541 (dom_opt_finalize_block): Use the new common routines
19542 for threading jumps. Simplify stack management slightly.
19543 No longer need to unwind VRP state.
19544 (record_equivalences_from_incoming_edge): No longer record
19546 (eliminate_redundant_computations): No longer call
19547 simplify_cond_and_lookup_avail_expr.
19548 * tree-flow.h (potentially_threadable_block): Prototype.
19549 (thread_across_edge): Likewise.
19550 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
19551 (tree-ssa-threadedge.o): Add dependencies.
19552 * tree-ssa-threadedge.c: New file.
19553 * passes.c (init_optimization_passes): Merge PHIs before
19554 calling VRP. Run VRP again late in the SSA optimization pipeline.
19556 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19558 * df-core.c (df_set_blocks): Do not dereference function pointers.
19559 (df_finish1): Likewise.
19560 (df_hybrid_search_forward): Likewise.
19561 (df_hybrid_search_backward): Likewise.
19562 (df_iterative_dataflow): Likewise.
19563 (df_analyze_problem): Likewise.
19564 (df_compact_blocks): Likewise.
19565 (df_dump): Likewise.
19566 * df-scan.c (df_rescan_blocks): Likewise.
19567 (df_record_entry_block_defs): Likewise.
19569 * genconditions.c (write_conditions): Guard the definition of
19570 'insn_conditions' with the check on GCC version.
19571 (write_writer): Guard the traversal 'insn_conditions' with
19572 the check on GCC version.
19574 2006-02-07 Richard Guenther <rguenther@suse.de>
19578 2006-01-30 Richard Guenther <rguenther@suse.de>
19580 * gimplify.c (gimplify_target_expr): Handle easy cases
19581 without creating a temporary.
19583 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
19585 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
19586 use of float in probability computations. Use edge probabilities
19587 in place of statically computed probabilities.
19588 (min_spec_prob): New static variable.
19589 (schedule_insns): Initialize it.
19590 (GET_SRC_PROB): Removed.
19591 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
19593 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
19596 * config/ia64/unwind-ia64.c: Revert last change.
19597 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
19598 (INCOMING_FRAME_SP_OFFSET): Define.
19600 2006-02-06 Roger Sayle <roger@eyesopen.com>
19602 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
19604 2006-02-07 Ben Elliston <bje@au.ibm.com>
19606 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
19607 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
19608 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
19609 (ix86_return_in_memory): Handle TDmode.
19610 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
19611 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
19613 2006-02-06 Richard Sandiford <richard@codesourcery.com>
19615 * reorg.c (dbr_schedule): Use dump_file instead of file.
19617 2006-02-06 Steve Ellcey <sje@cup.hp.com>
19620 * config/ia64/predicates.md (extr_len_operand): New predicate.
19621 * config/ia64/ia64.md (extv): Tighten constraints.
19623 (*tbit_and_2): Ditto.
19624 (*tbit_and_3): Ditto.
19625 (*tbit_or_2): Ditto.
19626 (*tbit_or_3): Ditto.
19627 (*bit_zero): Ditto.
19630 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
19633 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
19635 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
19637 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
19638 loop_optimizer_init and loop_optimizer_finalize
19639 * tree-ssa-sink.c (execute_sink_code): Ditto.
19640 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
19641 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
19642 tree_ssa_loop_done): Ditto.
19643 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
19644 * sched-ebb.c: Include output.h.
19645 (schedule_ebbs): Do not use dump argument.
19646 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
19647 * loop.c (loop_dump_stream): Removed.
19648 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
19650 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
19651 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
19652 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
19653 loop_iterations, strength_reduce, record_biv, record_giv,
19654 final_giv_value, check_final_value, check_ext_dependent_givs,
19655 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
19656 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
19657 dump_file instead of loop_dump_stream.
19658 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
19659 argument dump_file.
19660 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
19662 * flow.c (life_analysis, rest_of_handle_life): Ditto.
19663 * haifa-sched.c: Include output.h
19664 (schedule_insns, sched_init): Do not use dump argument.
19665 * mode-switching.c (optimize_mode_switching): Ditto.
19666 * modulo-sched.c (stats_file): Removed.
19667 (print_node_sched_params): Do not call argument dump_file.
19668 (sms_schedule_by_order, loop_canon_p, sms_schedule,
19669 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
19671 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19673 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
19674 rtl_loop_init, rtl_loop_done): Ditto.
19675 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
19676 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
19678 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
19679 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
19680 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
19681 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
19682 * emit-rtl.c (renumber_insns): Ditto.
19683 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
19684 expand_gimple_basic_block, tree_expand_cfg): Ditto.
19685 * regclass.c (regclass): Ditto.
19686 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
19687 remove_ssa_form, rewrite_out_of_ssa): Ditto.
19688 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
19689 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
19691 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
19692 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
19694 * gcse.c (gcse_file, debug_stderr): Removed.
19695 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
19696 rest_of_handle_gcse): Do not use dump argument.
19697 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
19698 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
19699 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
19700 compute_code_hoist_vbeinout, compute_code_hoist_data,
19701 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
19702 compute_store_table, build_store_vectors, insert_insn_start_bb,
19703 insert_store, remove_reachable_equiv_notes, replace_store_insn,
19704 store_motion): Use dump_file instead of gcse_file.
19705 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
19706 * profile.c (profile_dump_file): Removed.
19707 (branch_prob): Use dump_file instead of profile_dump_file.
19708 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
19710 * tree-ssa-copy.c (dump_copy_of): Ditto.
19711 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
19712 dump file to life_analysis.
19713 * bt-load.c (branch_target_load_optimize): Ditto.
19714 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
19716 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
19717 regclass, dbr_schedule): Declaration changed.
19718 * sched-int.h (sched_init): Declaration changed.
19719 * tree-profile.c (tree_profile_dump_file): Removed.
19720 (tree_profile_hooks): Removed profile_dump_file hook.
19721 * rtl-profile (rtl_profile_dump_file): Removed.
19722 (rtl_profile_hooks): emoved profile_dump_file hook.
19723 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19725 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
19726 * tree-cfg.c (build_tree_cfg): Ditto.
19727 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19728 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19729 Declaration changed.
19730 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19731 life_analysis and schedule_insns.
19732 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19734 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19736 * config/mips/mips.c (mips_reorg): Ditto.
19737 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19740 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
19742 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19743 (s390_mangle_fundamental_type): New.
19744 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19747 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19748 (alpha_mangle_fundamental_type): New.
19749 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19752 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19754 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19756 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19757 (sparc_mangle_fundamental_type): New.
19759 2006-02-06 Jakub Jelinek <jakub@redhat.com>
19761 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19762 (s390x-*-linux*): Likewise.
19763 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19764 * config/s390/t-linux: New file.
19766 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19768 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
19769 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
19771 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
19773 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19774 (ANTIC_SAFE_LOADS): New macro.
19775 (find_or_generate_expression): Add prototype.
19776 (set_contains_value): Allow null set for sake of not always having
19777 to allocate ANTIC_SAFE_LOADS.
19778 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19779 Allow COMPONENT_REF too.
19780 (valid_in_set): Allow COMPONENT_REF.
19781 Check ANTIC_SAFE_LOADS too.
19782 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19783 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19785 (can_PRE_operation): Add COMPONENT_REF.
19786 (create_component_ref_by_pieces): New function.
19787 (create_expression_by_pieces): Use create_component_ref_by_pieces.
19788 (insert_aux): Move AGGREGATE_TYPE_P check here.
19789 (compute_avail): Set bb local stmt uids.
19790 (pass_pre): Use TODO_update_ssa_only_virtuals.
19792 2006-02-06 Ben Elliston <bje@au.ibm.com>
19794 * configure.ac: Unconditionally disable decimal float by default.
19795 * configure: Regenerate.
19797 2006-02-06 Ben Elliston <bje@au.ibm.com>
19799 * read-rtl.c (read_name): Terminate reading on EOF.
19801 2006-02-06 Ben Elliston <bje@au.ibm.com>
19803 * dfp.c (decimal_real_arithmetic): Change second argument type
19804 from int to enum tree_code. Do not always return true, but now
19805 return result of any call to decimal_do helper functions.
19806 * dfp.h (decimal_real_arithmetic): Update prototype.
19808 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
19810 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19812 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
19815 * tree-cfg.c (cleanup_dead_labels): Also don't remove
19818 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19820 * tree-vrp.c (cfg_loops): Removed.
19821 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19822 Use current_loops instead of cfg_loops. Pass flags to
19823 loop_optimizer_init.
19824 * cfgloopmanip.c (fix_loop_structure): Update only available
19826 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19827 loop_optimizer_init.
19828 * modulo-sched.c (build_loops_structure): Removed.
19829 (sms_schedule): Use loop_optimizer_init.
19830 * loop-init.c (loop_optimizer_init): Use flags to determine
19831 which properties of loops to prepare.
19832 (rtl_loop_init): Pass flags to loop_optimizer_init.
19833 * tree-ssa-sink.c (execute_sink_code): Ditto.
19834 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19835 * tree-ssa-pre.c (init_pre): Ditto.
19836 * cfgloop.h (LOOPS_NORMAL): New.
19837 (loop_optimizer_init): Declaration changed.
19839 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19841 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19842 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19844 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19846 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19848 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19849 * pa/t-pa64: Delete quadlib.c rule.
19850 * pa/x-ada: Revert last change.
19851 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19853 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19855 PR rtl-optimization/26087
19856 * rtlanal.c (canonicalize_condition): Do not cross basic block
19859 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19862 * config/ia64/ia64.c: Include debug.h.
19863 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19864 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19865 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19866 (process_epilogue, process_set, process_for_unwind_directive):
19867 Output unwind info only if requested. Add CFA info if requested.
19868 Add new arguments as needed. Adjust callers.
19869 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19871 (DWARF2_FRAME_INFO): Define to zero.
19872 * config/ia64/unwind-ia64.c: Remove code that compensated for
19873 the CFA offset error fixed above.
19874 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19875 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19876 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19877 -funwind-tables and -fexceptions to enable frame info.
19878 (dwarf2out_frame_init): Define initial CFA even if
19879 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19880 DWARF2_UNWIND_INFO is nonzero, not just defined.
19881 (dwarf2out_frame_finish): Output non-EH call frame info only
19882 if DWARF2_FRAME_INFO is nonzero.
19883 (convert_cfa_to_loc_list,
19884 compute_frame_pointer_to_cfa_displacement): Define even if
19885 unwind info is not supported.
19886 (gen_subprogram_die): Use the above unconditionally. Remove
19887 legacy alternate code.
19888 * toplev.c (compile_file): Compile in call to
19889 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19890 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19892 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19893 Jakub Jelinek <jakub@redhat.com>
19895 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19896 IBM extended float format long double as "g" on powerpc*-linux.
19898 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19901 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19902 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19904 2006-02-03 Jason Merrill <jason@redhat.com>
19907 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19909 PR middle-end/25977
19910 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19911 on the return slot if it's an NRV.
19913 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19915 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19916 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19917 rewrite_use): Do not handle USE_OUTER.
19918 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19919 add_iv_outer_candidates, may_replace_final_value,
19920 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19921 (find_interesting_uses_op): Functionality of
19922 find_interesting_uses_outer_or_nonlin moved here.
19923 (find_interesting_uses_outside): Use find_interesting_uses_op.
19925 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19928 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19930 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19931 Ulrich Weigand <uweigand@de.ibm.com>
19934 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19935 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19936 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19937 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19939 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19940 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19941 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19942 Define secondary reloads for TFmode moves.
19943 (constant_modes): Add TFmode.
19944 (NR_C_MODES): Set to 8.
19945 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19947 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19948 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19949 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19950 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19951 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19952 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19953 (FPR mode macro): Add TFmode.
19954 (DSF mode macro): New.
19955 (<de>, <dee> mode attributes): Removed.
19956 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19957 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19958 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19959 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19960 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19961 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19962 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19963 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19964 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19965 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19966 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19967 "*negabs<mode>2", "sqrt<mode>2"):
19968 Changed <de> to <xde>. R constraint replaced by <Rf>.
19969 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19971 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19972 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19973 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19975 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19976 "extenddftf2", "extendsftf2"): New expanders.
19977 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19978 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19979 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19980 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19982 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19983 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19984 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19985 __floatditf): Add a GCC_4.1.0 symbol version tag.
19986 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19989 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19992 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19993 Use targetm.binds_local_p instead of TREE_PUBLIC.
19995 2006-02-02 Roger Sayle <roger@eyesopen.com>
19997 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19998 on INTEGER_TYPEs to indicate that it denotes a character type.
19999 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
20000 signed_char_type_node, unsigned_char_type_node and char_type_node.
20001 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
20002 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
20003 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
20005 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
20006 Daniel Berlin <dberlin@dberlin.org>
20008 * tree-tailcall.c (arg_needs_copy_p): New function.
20009 (eliminate_tail_call): Use arg_needs_copy_p.
20010 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
20011 (add_virtual_phis): New function.
20013 2006-02-02 Jakub Jelinek <jakub@redhat.com>
20015 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
20016 #ignore instead of #scratch for %g7 .register directive.
20018 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
20020 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
20023 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
20025 * flow.c (calculate_global_regs_live): Assert that there aren't any
20028 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
20030 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
20031 what its name says.
20032 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
20033 bsi_after_labels iterator.
20034 * tree-if-conv.c (find_phi_replacement_condition,
20035 replace_phi_with_cond_modify_expr): Likewise.
20036 * tree-scalar-evolution.c (scev_const_prop): Likewise.
20037 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
20039 2006-02-02 Diego Novillo <dnovillo@redhat.com>
20041 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
20043 2006-02-02 Diego Novillo <dnovillo@redhat.com>
20046 * tree-cfg.c (move_block_to_fn): Clear out the basic block
20047 array after growing it.
20049 2006-02-01 Steve Ellcey <sje@cup.hp.com>
20051 PR middle-end/24901
20052 * fold-const.c (fold_checksum_tree): Change type of buf.
20054 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
20056 * reload.c (push_secondary_reload): Initialize t_icode.
20058 2006-02-01 Jakub Jelinek <jakub@redhat.com>
20060 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
20061 -msoft-float -mlong-double-128 only issue a warning, but don't
20062 swich to DFmode long double.
20064 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
20066 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
20067 has a constant equivalent, iterate over equivalents for arg0,
20068 calling simplify_relational_operation and if there's a result
20069 cheaper than X, apply fold_rtx and return the result.
20071 2006-02-01 Jan Hubicka <jh@suse.cz>
20073 * opts.c (no_unit_at_a_time_default): New global variable.
20074 (decode_options): Use it.
20075 * opts.h (no_unit_at_a_time_default): Declare.
20077 2006-02-01 Paul Brook <paul@codesourcery.com>
20079 * function.c (assign_parm_setup_reg): Use function argument promotion
20081 * expr.c (expand_expr_real_1): Use function argument promotion rules
20084 2006-02-01 Steve Ellcey <sje@cup.hp.com>
20086 * gcc.c (process_command): Change j to 'unsigned int'.
20088 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
20090 PR middle-end/26001
20091 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
20092 Use the corrected index for the character
20093 out of the string constant.
20095 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
20097 * mode-switching.c (optimize_mode_switching): Fix size
20098 allocated for bb_info[n_entities].
20100 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
20102 * gcc.c (main): Correct type that is allocated for
20103 explicit_link_files.
20105 2006-01-31 Jakub Jelinek <jakub@redhat.com>
20107 * config/s390/s390.c (init_alignment_context): Set
20108 ALIAS_SET_MEMORY_BARRIER on the MEM.
20109 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
20111 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
20113 PR middle-end/25933
20114 * loop-unroll.c (unroll_loop_runtime_iterations): Free
20116 * tree-ssa-live.c (type_var_init): Allocate bitmap after
20119 2006-01-31 Marcin Dalecki <martin@dalecki.de>
20121 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
20122 * regrename.c: Ditto.
20123 * tree-ssa-loop-im.c: Ditto.
20124 * tree-dump.c: Ditto.
20125 * tree-complex.c: Ditto.
20126 * genrecog.c: Ditto.
20127 * tree-ssa-threadupdate.c: Ditto.
20129 * java/class.c: Ditto.
20130 * java/jcf-parse.c: Ditto.
20131 * java/resource.c: Ditto.
20132 * java/except.c: Ditto.
20133 * java/jvspec.c: Ditto.
20134 * java/jcf-write.c: Ditto.
20135 * java/jcf-path.c: Ditto.
20136 * java/gjavah.c: Ditto.
20137 * java/zextract.c: Ditto.
20138 * java/jcf-io.c: Ditto.
20139 * java/jcf.h: Ditto.
20140 * java/buffer.c: Ditto.
20141 * java/lang.c: Ditto.
20142 * java/parse-scan.y: Ditto.
20143 * java/lex.c: Ditto.
20144 * java/lex.h: Ditto.
20145 * cfgloopmanip.c: Ditto.
20146 * postreload-gcse.c: Ditto.
20147 * tree-ssa-loop-manip.c: Ditto.
20148 * postreload.c: Ditto.
20149 * tree-ssa-loop-ch.c: Ditto.
20152 * cppspec.c: Ditto.
20153 * diagnostic.c: Ditto.
20155 * genoutput.c: Ditto.
20157 * cfghooks.c: Ditto.
20158 * cfgloopanal.c: Ditto.
20159 * objc/objc-act.c: Ditto.
20161 * genextract.c: Ditto.
20162 * genautomata.c: Ditto.
20163 * pretty-print.c: Ditto.
20164 * genemit.c: Ditto.
20165 * cgraphunit.c: Ditto.
20167 * df-scan.c: Ditto.
20168 * haifa-sched.c: Ditto.
20169 * dominance.c: Ditto.
20171 * tree-ssa-loop-ivopts.c: Ditto.
20172 * df-core.c: Ditto.
20173 * mode-switching.c: Ditto.
20174 * modulo-sched.c: Ditto.
20176 * ipa-pure-const.c: Ditto.
20178 * fix-header.c: Ditto.
20180 * tree-stdarg.c: Ditto.
20181 * ipa-utils.c: Ditto.
20182 * loop-init.c: Ditto.
20183 * ipa-inline.c: Ditto.
20184 * cfganal.c: Ditto.
20186 * alloc-pool.c: Ditto.
20187 * dwarf2out.c: Ditto.
20189 * genattrtab.c: Ditto.
20190 * tree-ssa-loop-ivcanon.c: Ditto.
20191 * predict.c: Ditto.
20192 * timevar.c: Ditto.
20194 * fortran/gfortranspec.c: Ditto.
20195 * regmove.c: Ditto.
20196 * local-alloc.c: Ditto.
20197 * langhooks.c: Ditto.
20198 * function.c: Ditto.
20199 * tree-vectorizer.c: Ditto.
20201 * ipa-type-escape.c: Ditto.
20203 * tree-if-conv.c: Ditto.
20204 * profile.c: Ditto.
20206 * tree-data-ref.c: Ditto.
20207 * loop-unroll.c: Ditto.
20208 * treelang/treetree.c: Ditto.
20210 * bt-load.c: Ditto.
20211 * ggc-common.c: Ditto.
20213 * coverage.c: Ditto.
20215 * tree-cfgcleanup.c: Ditto.
20216 * tree-ssa-pre.c: Ditto.
20217 * cfgcleanup.c: Ditto.
20218 * loop-invariant.c: Ditto.
20219 * loop-iv.c: Ditto.
20220 * ipa-prop.c: Ditto.
20221 * print-tree.c: Ditto.
20222 * conflict.c: Ditto.
20223 * ggc-page.c: Ditto.
20224 * sched-deps.c: Ditto.
20225 * regclass.c: Ditto.
20226 * tree-object-size.c: Ditto.
20227 * combine.c: Ditto.
20228 * bb-reorder.c: Ditto.
20229 * resource.c: Ditto.
20230 * var-tracking.c: Ditto.
20231 * cfgloop.c: Ditto.
20232 * df-problems.c: Ditto.
20233 * reg-stack.c: Ditto.
20235 * gccspec.c: Ditto.
20236 * sched-rgn.c: Ditto.
20237 * tree-ssa-structalias.c: Ditto.
20238 * tree-ssa-reassoc.c: Ditto.
20239 * config/darwin-c.c: Ditto.
20240 * config/darwin.c: Ditto.
20241 * config/arm/arm.c: Ditto.
20243 * collect2.c: Ditto.
20244 * reload1.c: Ditto.
20246 2006-01-31 Nicolas Pitre <nico@cam.org>
20248 * arm.md (smaxsi3): Make aware of smax_m1.
20251 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
20253 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
20255 2006-01-31 Richard Guenther <rguenther@suse.de>
20257 * doc/invoke.texi (-msselibm): Document.
20258 * target.h (expand_library_builtin): New target hook.
20259 * builtins.c (expand_builtin): Use expand_library_builtin.
20260 (default_expand_library_builtin): New function.
20261 * gcc.c (LINK_GCC_MATH_SPEC): Define.
20262 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
20263 (link_gcc_math_spec): Declare.
20264 (static_specs): Add link_gcc_math_spec.
20265 * expr.h (default_expand_library_builtin): Declare.
20266 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
20267 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
20268 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
20269 * config/i386/i386.opt (msselibm): New target option.
20270 * config/i386/i386.c (ix86_builtin_function_variants): New array.
20271 (ix86_init_sse_abi_builtins): New function.
20272 (ix86_expand_library_builtin): Likewise.
20273 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
20274 (override_options): Handle error conditions wrt -msselibm.
20275 (ix86_builtins): Add function codes for SSE2 ABI builtins.
20276 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
20277 * doc/extend.texi (__builtin_sse2_*): Document new target specific
20280 2006-01-31 Richard Guenther <rguenther@suse.de>
20281 Paolo Bonzini <bonzini@gnu.org>
20283 * doc/install.texi (--disable-libgcc-math): Document.
20285 2006-01-30 Marcin Dalecki <martin@dalecki.de>
20287 * expr.h (expand_normal): new inline function.
20288 * builtins.c: use it, use EXPAND_NORMAL explicitely.
20289 * dojump.c: use it.
20290 * dwarf2out.c: use it.
20293 * expmed.c: use it.
20294 * except.c: use it.
20295 * config/sparc/sparc.c: use it.
20296 * config/i386/i386.c: use it.
20297 * config/rs6000/rs6000.c: use it.
20298 * config/arm/arm.c: use it.
20299 * config/mips/mips.c: use it.
20300 * stmt.c: use it, use EXPAND_NORMAL explicitely.
20302 2006-01-30 Roger Sayle <roger@eyesopen.com>
20304 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
20305 argv to the appropriate type.
20307 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
20309 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
20312 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
20315 * config/s390/s390.c (struct machine_function): New flag
20316 decomposed_literal_pool_addresses_ok_p.
20317 (s390_reorg): Set it before final stage of literal pool transforms.
20318 (s390_decompose_address): Only accept displacements of the form
20319 (minus (label_ref ...) (label_ref ...)) if that flag is set.
20321 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
20323 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
20324 the comparison routine return.
20326 2006-01-30 Michael Matz <matz@suse.de>
20328 * global.c (find_reg): Only evict for global regs.
20329 Take n_refs into account and dump more info.
20331 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
20334 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
20335 (pragma_trap, pragma_nosave_low_regs): Likewise.
20336 (current_function_anonymous_args): Likewise.
20337 (sh_deferred_function_attributes): New variable.
20338 (sh_deferred_function_attributes_tail): Likewise.
20339 (print_operand): For '@', look up trap_exit attribute.
20340 (calc_live_regs): Look up trapa_handler attribute. For trapa
20341 handlers, save/restore fpscr, but don't do any other
20342 interrupt-specific saves.
20343 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
20344 Fix check for partially saved registers to check for SHmedia.
20345 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
20346 (sh_output_function_epilogue): Don't clear any of the removed
20348 (sh_insert_attributes): Don't check pragma_interrupt.
20349 Insert deferred attributes. Check that interrupt attribute is
20350 present for other attributes that require its presence.
20351 (sh_attribute_table): Add new attributes trapa_handler and
20353 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
20354 Don't check for pragma_interrupt. Don't store argument.
20355 * sh.h (pragma_interrupt, sp_switch): Don't declare.
20356 (sh_deferred_function_attributes): Declare.
20357 (sh_deferred_function_attributes_tail): Likewise.
20358 * sh.md (sp_switch_1): Add operand. Change generator caller.
20359 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
20360 (*return_i): Don't use when trap_exit attribute is in effect.
20361 (*return_trapa): New insn pattern.
20362 * sh-c.c: New file.
20363 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
20364 setting c_target_objs and cxx_target_objs.
20365 * t-sh: Add rule for sh-c.o.
20367 2006-01-30 Richard Guenther <rguenther@suse.de>
20370 * gimplify.c (gimplify_target_expr): Handle easy cases
20371 without creating a temporary.
20373 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
20375 * vec.h (safe_grow): Remove duplicated line.
20377 2006-01-29 Diego Novillo <dnovillo@redhat.com>
20380 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
20381 (expand_omp): ... here.
20382 (expand_omp_parallel): Only remove barriers for combined
20383 parallel+workshare constructs.
20385 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
20389 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
20390 * tree.c (build_qualified_type): Chain the new type to the original
20391 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
20392 a POINTER_TYPE or a REFERENCE_TYPE respectively.
20393 (build_pointer_type_for_mode): Only return unqualified types.
20394 (build_reference_type_for_mode): Likewise.
20396 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
20398 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
20399 * Makefile.in (CXX_COMPAT_WARN): Define.
20400 * configure: Regenerate.
20402 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
20405 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
20408 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
20410 * toplev.c: Fix thinko.
20412 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
20413 Marcin Dalecki <martin@dalecki.de>
20415 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
20416 (push_srcloc): Use XNEW.
20417 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
20419 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
20421 * df-core.c (df_set_blocks): Deleted all variable.
20423 2006-01-28 Ian Lance Taylor <ian@airs.com>
20425 * cgraphunit.c (cgraph_assemble_pending_functions): Call
20426 cgraph_output_pending_asms.
20428 2006-01-28 Zack Weinberg <zackw@panix.com>
20430 * c.opt: Add -W(no-)overlength-strings.
20431 * doc/invoke.texi: Document it.
20432 * c-opts.c (c_common_handle_option): -pedantic implies
20433 -Woverlength-strings, if not explicitly disabled already.
20434 (c_common_post_options): -Woverlength-strings defaults to off, and
20435 is always off for C++.
20436 * c-common.c (fix_string_type): Issue warning about strings longer
20437 than is portable only if warn_overlength_strings. Rearrange code
20438 a little for clarity.
20439 * configure.in: Check for -Wno-overlength-strings as well before
20440 enabling -pedantic in stage 1.
20441 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
20442 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
20444 * genconditions.c (write_header, write_one_condition)
20445 (write_conditions, write_writer): Consolidate very long strings
20446 that were broken up to fit in C89 portable limit. Don't use
20447 printf when fputs will do.
20449 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
20451 * combine.c (simplify_comparison <AND>): Check
20452 TRULY_NOOP_TRUNCATION before start using a subreg.
20454 * config/mips/mips.md (*branch_zero<mode>,
20455 *branch_zero<mode>_inverted, *branch_equality<mode>,
20456 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
20457 Remove mode check from comparisons.
20459 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
20461 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
20463 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
20465 * expmed.c (const_mult_add_overflow_p): Remove.
20466 * expr.h: Remove the prototype for const_mult_add_overflow_p.
20468 * recog.c (validate_replace_rtx_subexp): Remove.
20469 * recog.h: Remove the prototype for
20470 validate_replace_rtx_subexp.
20472 * integrate.h: Remove the prototype for
20473 copy_decl_for_inlining.
20474 * rtl.h: Remove the prototype for mark_constant_function.
20475 * tree-vectorizer.h: Remove the prototype for
20476 vect_strip_conversion.
20478 * modulo-sched.c (create_partial_schedule,
20479 free_partial_schedule, reset_partial_schedule): Make them
20482 * hooks.c (hook_bool_rtx_int_false): Remove.
20483 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
20485 2006-01-28 David Edelsohn <edelsohn@gnu.org>
20487 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20488 and -mlong-double-128 are incompatible.
20489 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
20490 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
20491 (TARGET_LIBGCC2_CFLAGS): Define.
20492 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
20493 (TARGET_LIBGCC2_CFLAGS): Same.
20494 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
20496 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
20499 * c-typeck.c (build_binary_op): Perform implicit casts of
20500 operands before shortening them.
20502 * cfgloopmanip.c (split_loop_bb): Remove.
20503 * cfgloop.h: Remove the prototype for split_loop_bb.
20505 * cfgloop.c (flow_loop_outside_edge_p): Remove.
20506 * cfgloop.h: Remove the prototype for
20507 flow_loop_outside_edge_p.
20509 * emit-rtl.c (init_virtual_regs): Make it static.
20510 * function.h: Remove the prototype for init_virtual_regs.
20512 * recog.c (peephole2_optimize): Make it static.
20513 * recog.h: Remove the prototype for peephole2_optimize.
20515 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20517 * df-scan.c (df_record_entry_block_defs): Check if
20518 INCOMING_RETURN_ADDR_RTX is defined.
20520 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
20521 Kenneth Zadeck <zadeck@naturalbridge.com>
20523 PR rtl-optimization/24762
20524 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20525 * targhooks.c (hook_void_bitmap): New hook prototype.
20526 * targhoohs.h (hook_void_bitmap): Ditto.
20527 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
20528 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
20529 * target.h (live_on_entry): New function pointer.
20530 * df-scan.c (df_all_hard_regs): Removed.
20531 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
20532 (df_scan_free_internal): Added df->entry_block_defs.
20533 (df_scan_alloc): Ditto.
20534 (df_scan_dump): Ditto.
20535 (df_uses_record): Plumbed flag field properly thru calls.
20536 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
20537 This part fixes PR24762.
20538 (df_bb_refs_record): Added code to make the frame and arg
20539 pointers live in EH blocks.
20540 (df_refs_record): Added call to df_record_entry_block_defs.
20541 (df_record_entry_block_defs): New function.
20542 * df-core.c: Added comments to describe new artifical defs.
20543 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
20544 (entry_block_defs): New field in struct df.
20545 (df_all_hard_regs): Deleted.
20546 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20547 * df-problems.c (df_ru_bb_local_compute_process_def):
20548 Added code to handle artifical defs in the entry to a function.
20549 (df_ru_bb_local_compute): Ditto.
20550 (df_rd_bb_local_compute_process_def): Ditto.
20551 (df_rd_bb_local_compute): Ditto.
20552 (df_lr_bb_local_compute): Ditto.
20553 (df_ur_bb_local_compute): Ditto.
20554 (df_urec_bb_local_compute): Ditto.
20555 (df_chain_create_bb): Ditto.
20556 (df_ur_local_finalize): Removed entry.
20557 (df_urec_init): Ditto.
20558 (df_urec_local_finalize): Ditto.
20559 (df_ri_bb_compute): Added detection of last use of pseudos.
20560 * Makefile.in (df-scan.o): Updated dependencies.
20561 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
20562 * config/mips/mips.c (mips_set_live_on_entry): Added.
20563 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
20565 * dce.c (marked_insn_p): Added code to handle artifical defs.
20567 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20569 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
20571 (_mm_cvtsi128_si64): Likewise.
20572 (_mm_cvtsd_si64): Likewise.
20573 (_mm_cvttsd_si64): Likewise.
20574 (_mm_cvtsi64_sd): Likewise.
20575 (_mm_cvtsi64_si128): Likewise.
20576 * config/i386/mmintrin.h (_m_from_int64): Likewise.
20577 (_mm_cvtsi64_m64): Likewise.
20578 (_m_to_int64): Likewise.
20579 (_mm_cvtm64_si64): Likewise.
20580 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
20581 (_mm_cvttss_si64): Likewise.
20582 (_mm_cvtsi64_ss): Likewise.
20583 (_mm_cvtss_f32): Likewise.
20585 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
20587 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
20588 for pragma redefine_extname.
20590 2006-01-27 Jakub Jelinek <jakub@redhat.com>
20593 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
20594 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
20595 -mno-minimal-toc to previous content.
20596 (bispecs): Remove goal.
20597 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
20598 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
20599 compatibility aliases on powerpc-*-*gnu*.
20600 * config/rs6000/libgcc-ppc-glibc.ver: New file.
20601 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
20602 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
20603 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
20604 (ldblspecs): New goal.
20605 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
20606 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
20608 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
20609 L_sf_to_tf or L_df_to_tf is defined.
20611 2006-01-27 David Edelsohn <edelsohn@gnu.org>
20612 Alan Modra <amodra@bigpond.net.au>
20615 * config/rs6000/linux.h (POWERPC_LINUX): Define.
20616 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
20617 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
20618 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
20619 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
20620 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
20621 (rs6000_override_options): Initialize rs6000_ieeequad.
20622 Initialize TFmode format to ibm_extended_format if not
20624 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
20626 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
20627 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
20628 (function_arg_advance): IBM long double passed in two FPRs, not
20630 (function_arg): IBM long double passed in FPRs.
20631 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
20632 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
20633 Only multireg GPR aligned.
20634 (rs6000_init_libfuncs): Enable IBM long double functions if not
20636 (rs6000_generate_compare): Use IBM long double compare if not
20638 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
20639 (TARGET_IEEEQUAD): Define.
20640 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
20641 not TARGET_IEEEQUAD.
20642 * config/rs6000/rs6000.md: Enable TFmode patterns if
20644 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
20645 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20646 and -mlong-double-128 are incompatible.
20647 * doc/invoke.texi (-mabi): Collect options together. Add
20648 ibmlongdouble and ieeelongdouble.
20650 2006-01-27 Richard Sandiford <richard@codesourcery.com>
20652 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
20654 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
20655 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
20656 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
20657 * rtl.h (rtunion_def): Remove rt_ptr.
20659 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
20660 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
20661 * config/i386/winnt.c (i386_pe_mark_dllexport)
20662 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
20664 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
20666 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
20668 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20672 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
20673 pthread_key_delete. From John David Anglin. gthrw-ify
20674 pthread_getunique_np only if it it's not a macro. Delete
20676 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
20677 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
20678 __gthread_objc_condition_signal, __gthread_key_delete): Add
20679 "__attribute__ ((__unused__))" to unused arguments.
20680 (__gthread_recursive_mutex_init_function): Add missing return.
20681 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
20682 gthr-posix95.h: Use macro-based approach for name redirection
20683 on targets missing weakref.
20685 2006-01-26 Zack Weinberg <zackw@panix.com>
20687 * genconditions.c (write_header): In generated code, #ifdef out
20688 all includes and fake declarations, except includes of bconfig.h
20689 and system.h, unless GCC_VERSION >= 3001. Do not include
20690 gensupport.h in any case.
20691 (write_conditions): Generate a definition of struct c_test. Add
20692 a comment to the generated #endif.
20693 (write_one_condition): Escape backslashes in string too.
20694 (write_writer): Generated code must escape backslashes and quote
20695 marks (but not newlines) in the strings it writes.
20696 * Makefile.in (build/gencondmd.o): Update dependencies.
20698 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20701 * Makefile.in (insn-automata.o): Add header file dependencies.
20702 * genautomata.c: Add includes.
20704 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20707 * Makefile.in (insn-automata.o): Add -Wno-error flag.
20709 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20711 * configure.ac: Expect target tools paths to be passed from the toplevel
20712 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
20714 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20716 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20719 * c.opt (Wpointer-sign): Init to -1.
20720 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
20721 OPT_pedantic, to 0 otherwise.
20722 * doc/invoke.texi: Update.
20724 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20726 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20727 constants provided by 80387 instructions in the destination mode.
20729 2006-01-26 Richard Guenther <rguenther@suse.de>
20730 Andrew Pinski <pinskia@physics.uc.edu>
20733 partial PR tree-opt/17064
20734 * tree-ssa-structalias.c (intra_create_variable_infos):
20735 Create heap variables for incoming parameters if
20736 flag_argument_noalias > 1.
20737 (find_what_p_points_to): Look through default defs of
20740 2006-01-26 Jeff Law <law@redhat.com>
20743 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20744 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20745 within the VR_RANGE, use the VR_RANGE as the result, not the
20747 (adjust_range_with_scev): Reject ranges from SCEV which are out of
20748 bounds for the type.
20750 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
20752 * tree-ssa-alias.c (maybe_create_global_var): Change
20753 subvar walking to an assertion that we don't have subvar'd variables.
20755 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
20758 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
20759 Use a new variable, inner. PARM_DECLs are always non-weak.
20761 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
20763 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20764 --disable-checking.
20766 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
20768 * config/mips/mips.md (*clear_upper32): New combiner pattern.
20770 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
20772 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
20773 (smax_insn, smin_insn, smax_0, smin_0): New.
20775 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
20778 * config/cris/cris.c (cris_order_for_addsi3): New function.
20779 * config/cris/cris-protos.h: Prototype it.
20780 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20781 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20782 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20783 (split for "op.S1 [rx=rx+i],ry (swapped)")
20784 (split for "op(s|u).S1 [rx=rx+i],ry")
20785 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20786 Apply cris_order_for_addsi3 when generating addsi3 insns.
20788 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20790 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20791 (TREE_BLOCK): Add call to EXPR_CHECK.
20793 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20796 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20797 * tree-pretty-print.c (dump_omp_clause): Extract from ...
20798 (dump_omp_clauses): ... here.
20799 (dump_generic_node): Handle OMP_CLAUSE.
20800 * tree.c (omp_clause_num_ops): New.
20801 (omp_clause_code_name): New.
20802 (tree_code_size): Handle OMP_CLAUSE.
20803 (tree_size): Likewise.
20804 (make_node): Document handling of OMP_CLAUSE.
20805 (tree_node_structure): Handle OMP_CLAUSE.
20806 (omp_clause_check_failed): New.
20807 (omp_clause_range_check_failed): New.
20808 (omp_clause_operand_check_failed): New.
20809 (build_omp_clause): New.
20810 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20811 * tree.h (enum omp_clause_code): Declare.
20812 (OMP_CLAUSE_SUBCODE_CHECK): Define.
20813 (OMP_CLAUSE_RANGE_CHECK): Define.
20814 (OMP_CLAUSE_ELT_CHECK): Define.
20815 (omp_clause_check_failed): Declare.
20816 (omp_clause_operand_check_failed): Declare.
20817 (omp_clause_range_check_failed): Declare.
20818 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20819 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20820 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20821 (OMP_CLAUSE_LASTPRIVATE): Likewise.
20822 (OMP_CLAUSE_IF_EXPR): Likewise.
20823 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20824 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20825 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20826 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20827 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20828 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20829 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20830 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20831 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20832 (OMP_CLAUSE_CODE): Define.
20833 (OMP_CLAUSE_SET_CODE): Define.
20834 (OMP_CLAUSE_CODE): Define.
20835 (OMP_CLAUSE_OPERAND): Define.
20836 (struct tree_omp_clause): Declare.
20837 (union tree_node): Add field 'omp_clause'.
20838 * treestruct.def (TS_OMP_CLAUSE): Define.
20839 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20840 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20841 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20842 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20843 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20844 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20845 (OMP_CLAUSE): Define.
20846 * print-tree.c (print_node): Handle OMP_CLAUSE.
20847 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20848 * c-typeck.c: Likewise.
20849 * gimplify.c: Likewise.
20850 * c-omp.c: Likewise.
20851 * tree-nested.c: Likewise.
20852 * tree-inline.c: Likewise.
20853 * c-parser.c: Likewise.
20854 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20857 2006-01-25 Roger Sayle <roger@eyesopen.com>
20859 PR rtl-optimization/25703
20860 * combine.c (try_combine): Handle zero_extract and strict_low_part
20861 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20863 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20865 * global.c: Fix comment typos.
20867 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20870 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20871 Use output_addr_const instead of assemble_name.
20873 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20875 * Makefile.in (sched-vis.o): Update dependencies.
20876 * haifa-sched.c (sched_finish): Clear current_sched_info.
20877 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20878 (dump_flow_info): Call it.
20879 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20881 * basic-block.h (dump_bb_info): Declare.
20882 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20883 option, and apply options only for dump files whose TDF_RTL,
20884 TDF_TREE, or TDF_IPA bits match.
20885 * rtl.h: Declare new functions exported from sched-vis.c.
20886 * sched-vis.c: Enable also if scheduling is not used.
20887 (print_value): Print the mode of registers if not inside scheduling.
20888 (print_insn): Make it work outside the scheduler. Beautify the output
20890 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20892 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20894 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20895 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20896 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20897 depending on the value of CONSTANT_POOL_ADDRESS_P.
20898 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20900 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20901 rather than SYMBOL_REF_DECL.
20902 (rtx_constant_pool): Remove const_rtx_sym_htab.
20903 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20904 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20905 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20906 Remove handling of const_rtx_sym_htab.
20907 (find_pool_constant): Delete.
20908 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20909 rather than find_pool_constant.
20910 (get_pool_constant_for_function): Delete.
20911 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20912 find_pool_constant.
20913 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20914 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20915 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20916 (SYMBOL_REF_CONSTANT): New macro.
20917 (get_pool_constant_for_function): Delete.
20918 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20919 rather than SYMBOL_REF_DECL.
20920 (i386_pe_mark_dllimport): Likewise.
20921 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20922 rather than SYMBOL_REF_DECL.
20923 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20924 (machopic_indirect_call_target): Likewise.
20926 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20928 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20930 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20932 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20934 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20936 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20938 2006-01-24 David Daney <ddaney@avtrex.com>
20941 * configure.ac (enable_tls): New enable option.
20942 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20943 * configure: Regenerate.
20944 * doc/install.texi (--enable-tls): Document new option.
20945 (--disable-tls): Ditto.
20947 2006-01-24 Richard Henderson <rth@redehat.com>
20949 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20950 * alias.c (true_dependence): Respect it.
20951 (canon_true_dependence, write_dependence_p): Likewise.
20952 * builtins.c (get_builtin_sync_mem): Set it.
20954 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20956 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20959 2006-01-24 DJ Delorie <dj@redhat.com>
20961 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20962 for storing constants in single-bit bitfields.
20964 2006-01-25 Ben Elliston <bje@au.ibm.com>
20966 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20968 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20971 * tree-ssa-pre.c (phi_translate): Return NULL
20972 for AGGREGATE_TYPE's.
20974 2006-01-24 Zack Weinberg <zackw@panix.com>
20976 * genautomata.c (process_state_for_insn_equiv_partition):
20977 Use xcalloc for insn_arcs_array.
20978 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20979 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20981 2006-01-24 Richard Henderson <rth@redhat.com>
20983 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20984 update all callers.
20986 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20988 PR rtl-optimization/25890
20989 PR rtl-optimization/25905
20990 * combine.c (expand_compound_operation, expand_field_assignment):
20991 Fail if the bitfield's final position is out of bounds.
20993 2006-01-24 Ian Lance Taylor <ian@airs.com>
20995 PR middle-end/25930
20996 * cgraphunit.c (cgraph_output_in_order): Don't clear
20997 cgraph_asm_nodes until after asm strings have been output.
20999 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
21001 * fix-header.c (read_scan_file): Add new parameter imultilib when
21002 calling register_include_chains.
21004 2006-01-23 Diego Novillo <dnovillo@redhat.com>
21006 * omp-low.c: Update documentation.
21008 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
21009 Daniel Berlin <dberlin@dberlin.org>
21013 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
21014 return from the function.
21016 2006-01-22 Zack Weinberg <zackw@panix.com>
21018 * rtl.def (match_code): Add second argument.
21019 * genpreds.c (write_extract_subexp): New function.
21020 (write_match_code): Add path argument. Use write_extract_subexp.
21021 (write_predicate_expr): Pass path to write_match_code.
21022 (mark_mode_tests): MATCH_CODE applied to a subexpression does
21023 not perform a mode test.
21024 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
21025 a subexpression does not constrain the top-level code set.
21026 * read-rtl.c (read_rtx_variadic): New function.
21027 (read_rtx_1): Use it; allow AND and IOR to be variadic.
21028 * doc/md.texi: Document new notation.
21029 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
21030 (cmpsi_operand): ... here, using new notation.
21032 2006-01-22 Zack Weinberg <zackw@panix.com>
21034 * varray.c: Remove GENERATOR_FILE #ifdefs.
21036 2006-01-22 Zack Weinberg <zackw@panix.com>
21038 * genautomata.c (output_reserved_units_table): Emit nothing if
21039 description->query_units_num is zero. Remove extra blank line.
21040 (output_cpu_unit_reservation_p): Short circuit
21041 if description->query_units_num is zero.
21043 2006-01-22 Zack Weinberg <zackw@panix.com>
21045 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
21046 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
21047 nor any of the random handful of variables that used to be necessary
21048 when this program was linked with rtlanal.o. Prune set of forward
21049 function declarations.
21050 (struct attr_desc): Remove static_p field.
21051 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
21052 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
21053 (attr_string): Do not read the character one past the length of
21055 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
21056 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
21057 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
21058 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
21059 (make_automaton_attrs): New.
21060 (main): Do not call into genautomata. Call local gen_bypass
21061 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
21062 Remove special case for insn_alts.
21063 * genautomata.c: Include gensupport.h; not genattrtab.h nor
21064 varray.h (leftover from previous change). Prune set of forward
21065 function declarations. Remove state_alts fields from all
21066 structures. Remove state_alts_table from struct automaton.
21067 Make everything except main static. Do not maintain num_dfa_decls.
21068 Do not maintain state_alts fields of various structures.
21069 (process_decls): Don't validate condexp for dm_insn_reserv decls.
21070 (add_arc): Remove state_alts argument. All callers updated.
21071 (output_reserved_units_table): Emit #ifdef here...
21072 (output_tables): ...not here. Don't generate state_alts tables.
21073 (expand_automata): Don't generate attributes.
21074 (write_automata): Don't generate state_alts functions.
21075 (main): New function.
21076 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
21077 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
21078 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
21079 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
21080 (BYPASS_P_FUNC_NAME, output_state_alts_table)
21081 (output_automata_list_state_alts_code, output_internal_state_alts_func)
21082 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
21083 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
21085 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
21086 * genattrtab.h: Delete file.
21087 * Makefile.in (OBJS-common): Add insn-automata.o.
21088 (insn-automata.o): New rule.
21089 (simple_generated_c): Add insn-automata.c.
21090 (build/genattrtab.o, build/genautomata.o): Update dependencies.
21091 (genprogmd): Add automata.
21092 (build/genattrtab): Needs no extra objects nor libraries.
21093 (build/genautomata): Needs build/vec.o and -lm.
21095 2006-01-22 Zack Weinberg <zackw@panix.com>
21097 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
21098 (output_dfa_max_issue_rate, locked_states_num): Delete.
21099 (struct automaton): Add locked_states field.
21100 (output_dead_lock_vect): Save number of locked states in
21101 automaton->locked_states. If it is zero, don't print anything.
21102 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
21103 (output_internal_dead_lock_func): Only test the dead_lock_vect
21104 for automata that have locked states.
21105 (output_statistics): Always print the number of locked states for
21106 each automaton. Calculate total number of locked states here.
21107 (write_automata): Don't call output_dfa_max_issue_rate.
21108 * genattrtab.c: Define length_unit_log as a const variable.
21109 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
21110 max_insn_queue_index const.
21111 * final.c (length_unit_log): Declare const.
21112 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
21114 2006-01-22 Zack Weinberg <zackw@panix.com>
21116 * genautomata.c: Include vec.h, not varray.h.
21117 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
21118 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
21119 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
21120 VEC_* macros operating on appropriately typed vectors, or to
21121 malloced arrays when the size is known in advance. Const-ify
21122 many char* variables and function arguments. No functional changes.
21123 * Makefile.in (build/varray.o): Delete rule.
21124 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
21125 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
21127 2006-01-22 Zack Weinberg <zackw@panix.com>
21129 * gensupport.c: Define get_insn_name and record_insn_name here.
21130 (read_md_rtx): Call record_insn_name as appropriate.
21131 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
21132 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
21133 * genpreds.c, genrecog.c: Don't define get_insn_name nor
21135 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
21136 (BUILD_VARRAY): Delete.
21137 (genprognormal): Rename genprogmd. Fold in all programs from
21138 genprognoprint; also attrtab.
21139 (build/genattrtab): Just mention genautomata.o and varray.o.
21140 Reorganize a bit, add comments to make the categories clearer.
21142 2006-01-22 Zack Weinberg <zackw@panix.com>
21144 * genconditions.c (condition_table, add_condition): Delete.
21145 (write_conditions): Don't emit n_insn_conditions nor
21146 insn_elision_unavailable. Issue the gcc version #ifdef here,
21147 inside the table, with no #else clause ...
21148 (write_header): ...not here.
21149 (write_writer): New function.
21150 (main): Don't initialize condition_table. Use add_c_test.
21152 * gensupport.c (init_md_reader_args_cb): Handle multiple input
21153 files on the command line.
21154 (maybe_eval_c_test): Don't check insn_elision_unavailable.
21155 Return -1 if there is no entry in the table, don't abort.
21156 (add_c_test, traverse_c_tests): New functions.
21157 * gensupport.h (insn_elision_unavailable, insn_conditions)
21158 (n_insn_conditions): Delete declarations.
21159 (add_c_test, traverse_c_tests): Declare.
21160 * read-rtl.c: Include gensupport.h.
21161 (read_conditions): New function.
21162 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
21163 (read_rtx_1): If we get EOF when we were looking for an initial
21164 open paren, return 0. Call read_conditions when appropriate.
21165 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
21166 dummy-conditions.o. Eliminate references to insn-conditions.o,
21167 or change them to build/gencondmd.o, as appropriate. Remove
21168 insn-constants.h from $(simple_generated_h) and insn-conditions.c
21169 from $(simple_generated_c). For all files remaining in those
21170 two lists, add insn-conditions.md to the generator command line.
21171 Give insn-constants.h/s-constants their own rules. Add rules
21172 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
21173 (build/read-rtl.o): Depend on gensupport.h.
21174 (genprognormal): Include preds.
21175 (genprogearly): Rename genprognoprint; only difference is now that
21176 they don't link with $(BUILD_PRINT).
21177 * dummy-conditions.c: Delete.
21179 2006-01-22 Zack Weinberg <zackw@panix.com>
21181 * genextract.c: Don't include insn-config.h. Do include vec.h.
21182 Declare vectors of int, char, and locstr.
21183 (locstr): New typedef.
21184 (struct extraction): Make all array fields into bare pointers.
21185 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
21186 (insn_code_number): Delete.
21187 (accum_extract): New struct.
21188 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
21189 (gen_insn): Take insn_code_number as an argument. Use an
21190 accum_extract structure instead of loading data directly into
21191 a struct extraction, and having to know how big it might get.
21192 (walk_rtx): Operate entirely on an accum_extract structure.
21193 (print_path): Avoid unnecessary use of printf.
21194 (print_header): New function, split out of main. Distinguish
21195 more carefully between an unrecognizable insn and an insn that
21196 has the code number of a define_expand.
21197 (main): Pass insn_code_number to gen_insn. Call print_header
21198 only after parsing. Avoid unnecessary use of printf.
21199 * Makefile.in (build/vec.o): New rule.
21200 (build/genextract): Depend on build/vec.o.
21201 (build/genextract.o): Don't depend on insn-config.h.
21203 2006-01-22 Zack Weinberg <zackw@panix.com>
21205 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
21206 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
21207 practical. Eliminate per-generator-program link rules.
21209 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
21211 PR middle-end/24437
21212 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
21213 with a call expr to ...
21214 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
21216 2006-01-23 Richard Guenther <rguenther@suse.de>
21218 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
21219 before make_edge with conditional EDGE_TRUE_VALUE.
21221 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
21222 Jan Hubicka <jh@suse.cz>
21223 Richard Guenther <rguenther@suse.de>
21225 PR rtl-optimization/25654
21226 * cfgexpand.c (aggregate_contains_union_type): New function.
21227 (add_alias_set_conflicts): Call it. Make sure to add conflicts
21228 for structure variables that contain a union type.
21230 2006-01-23 Richard Sandiford <richard@codesourcery.com>
21232 * gengtype.c (new_structure): Return the structure.
21233 (create_option): Add an extra "next" argument.
21234 (create_field): New function.
21235 (adjust_field_rtx_def): Use create_option and create_field.
21236 Remove a now-unnecessary call to find_structure.
21237 (adjust_field_tree_def): Likewise.
21238 (note_yacc_type): Remove an unnecessary call to find_structure.
21239 * gengtype.h (new_structure): Return the structure.
21240 (create_option): Add an extra argument.
21241 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
21242 (option): Adjust calls to create_option.
21244 2006-01-22 David Edelsohn <edelsohn@gnu.org>
21246 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
21248 2006-01-22 Paul Brook <paul@codesourcery.com>
21249 Peter Barada <peter@the-baradas.com>
21251 * config/m68k/m68k.md: Add Coldfire FPU support.
21252 Define FP mode macro and associated attributes.
21253 Use it for float mode patterns.
21254 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
21255 (LIBCALL_VALUE): Use m68k_libcall_value.
21256 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
21257 (m68k_function_value): Ditto.
21258 (emit_move_sequence): Ditto.
21259 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
21260 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
21261 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
21262 (MULTILIB_EXCEPTIONS): Ditto.
21263 * config/m68k/m68k.opt: Add mcfv4e.
21264 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
21265 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
21266 (m68k_output_function_prologue): Save ColdFire FPU registers.
21267 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
21268 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
21269 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
21270 ColdFire FPU registers.
21271 (m68k_libcall_value, m68k_function_value): New functions.
21272 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
21273 (LIBCALL_VALUE): Use m68k_libcall_value.
21274 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
21275 (MASK_COLDFIRE): Add MASK_CFV4E.
21276 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
21277 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
21278 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
21279 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
21280 (GO_IF_LEGITIMATE_ADDRESS): Use it.
21281 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
21282 * doc/invoke.tex: Document -mcfv4e on m68k.
21284 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
21286 * doc/contribute.texi: Change CVS to SVN and update the corresponding
21289 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
21292 * c-opts.c (c_common_handle_option): Don't include
21293 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
21294 * doc/invoke.texi (C++ Dialect Options): Document that
21295 -Wnon-virtual-dtor is no longer included in -Wall.
21297 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
21299 * gcov.c (print_version), gcov-dump.c (print_version),
21300 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
21303 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
21305 * df-scan.c (problem_SCAN): Added NULL reset function.
21306 (df_scan_reset_blocks): Added code to call reset block function
21307 (df_bb_refs_delete) Fixed comment.
21308 (df_insn_refs_delete): Made tolerant of deleting non existent info
21309 for dataflow problems that need to be reset.
21310 * df-core.c (df_set_blocks): Ditto.
21311 * df.h (struct df_problem): Added reset_fun.
21312 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
21313 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
21314 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
21315 functions to clear out all references to def-use or use-def chains.
21317 2006-01-21 Ben Elliston <bje@au.ibm.com>
21319 * varasm.c (assemble_real): Initialise data array.
21321 2006-01-20 Paul Brook <paul@codesourcery.com>
21323 Merge from csl-arm-branch.
21324 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
21325 * config/arm/arm.md (movdi): Force operands[1] to a register
21326 if we have a non-register source.
21327 (*arm_movdi, *movdf_soft_insn): Require that one of the
21328 operands be a register.
21329 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
21330 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
21332 2006-01-20 DJ Delorie <dj@redhat.com>
21334 * varasm.c (initializer_constant_valid_p): Allow pointers
21335 initialized from integer constants of lesser precision.
21336 (output_constant): Allow non-int-sized pointer modes to be
21337 initialized from integer constants.
21339 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
21342 * cppdefault.h (struct default_include): Add multilib flag.
21343 * cppdefault.c (cpp_include_defaults): Set it.
21344 * c.opt (-imultilib): New option.
21345 * c-opts.c (imultilib): New.
21346 (c_common_handle_option): Handle -imultilib.
21347 (c_common_post_options): Likewise.
21348 * c-incpath.c (add_standard_paths, register_include_chains):
21350 * c-incpath.h (register_include_chains): Add extra parameter.
21351 * gcc.c (do_spec_1): Generate -imultilib option.
21352 (The Specs Language): Update %I description.
21353 (process_command): Update copyright notice.
21354 * doc/cppopts.texi (-imultilib): Document.
21355 * doc/invoke.texi (-imultilib): Include in option summary.
21356 (%I): Update specs documentation.
21358 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
21360 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
21362 2006-01-20 Richard Sandiford <richard@codesourcery.com>
21364 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
21367 2006-01-20 Richard Guenther <rguenther@suse.de>
21368 Steven Bosscher <stevenb.gcc@gmail.com>
21370 PR rtl-optimization/24626
21371 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
21372 EDGE_TRUE_VALUE if in RTL mode.
21375 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
21376 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
21378 2006-01-20 Dirk Mueller <dmueller@suse.com>
21381 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
21382 instead of a special NOP marker.
21383 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
21384 NOP marker handling.
21385 * c-common.h (empty_body_warning): Add forward declaration.
21386 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
21387 Now uses IS_EMPTY_STMT() instead of special NOP markers.
21389 2006-01-20 Paul Brook <paul@codesourcery.com>
21391 * Makefile.in (lang_checks): Keep going if mkdir fails.
21393 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
21395 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
21396 be able to clean out basic block when not necessary.
21397 (df_scan_free): Fixed to properly delete information if df is
21398 unused before calling df_finish.
21399 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
21400 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
21402 (df_bb_refs_delete): New function.
21403 (df_refs_delete): Moved per block code to df_bb_refs_delete.
21404 * df-core.c (df_set_blocks): Added code to properly clean out
21405 unused blocks if they are not part of the blocks to consider.
21406 Added additional null check.
21407 (df_compact_blocks): Added basic block parameter to free_bb_fun to
21408 be able to clean out basic block when not necessary
21409 * df.h (df_free_bb_function): Ditto.
21410 (df_bb_refs_delete): New function.
21411 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
21412 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
21413 basic block parameter to be able to clean out basic block when not
21415 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
21416 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
21417 Fixed to properly delete information if df is unused before
21420 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
21422 PR rtl-optimization/25799
21423 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
21424 Corrected confluence operator to remove bits from op2 before oring
21425 with op1 rather than removing bits from op1.
21426 (df_ru_transfer_function): Corrected test on wrong bitmap which
21427 caused infinite loop. Both of these problems were introduced in
21428 the dataflow rewrite.
21430 2006-01-19 DJ Delorie <dj@redhat.com>
21432 * reload1.c (find_reload_regs): Note the details of reload
21433 failures in the dump file.
21434 (spill_failure): Likewise.
21436 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
21438 * loop-iv.c: Include df.h and hashtab.h.
21439 (enum iv_grd_result): New enum.
21440 (DF_REF_IV, DF_REF_IV_SET): New macros.
21441 (struct biv_entry): New.
21442 (df, bivs): New global variables.
21443 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
21444 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
21446 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
21447 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
21448 analyzed_for_bivness_p, record_biv): New functions.
21449 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
21450 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
21451 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
21453 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
21455 (iv_number_of_iterations): Use new interface to iv analysis.
21456 * loop-unroll.c: Do not include varray.h.
21457 (analyze_iv_to_split_insn): Use new interface to iv
21459 * loop-unswitch.c (may_unswitch_on): Ditto.
21460 * df.c (df_bitmaps_free): Only work for bbs for that structures are
21462 (df_bb_modify): Realloc tables to the new index.
21463 (df_find_use): New function.
21464 * df.h (df_find_use): Declare.
21465 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
21467 * cfgloop.h (struct rtx_iv): Remove analysed field.
21468 (iv_get_reaching_def): Removed.
21469 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
21470 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
21471 (loop-iv.o): Add df.h and hashtab.h dependency.
21472 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
21474 2006-01-20 Alan Modra <amodra@bigpond.net.au>
21477 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
21479 (__floatundisf, __floatundidf): Likewise.
21480 * libgcc2.h (IS_IBM_EXTENDED): Define.
21482 2006-01-19 DJ Delorie <dj@redhat.com>
21484 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
21486 2006-01-19 Paul Brook <paul@codesourcery.com>
21488 * config/arm/arm.c (arm_compute_func_type): Treat all functions
21489 as nothrow when unwinding tables are disabled.
21491 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21494 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
21495 of bit-field" when in system header.
21497 2006-01-19 DJ Delorie <dj@redhat.com>
21499 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
21500 the 16 bit shift limit of the m16c.
21502 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
21505 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
21506 * config/i386/i386.c (output_set_got): Output the label if we have one
21507 for the TARGET_DEEP_BRANCH_PREDICTION case.
21509 2006-01-19 Jan Hubicka <jh@suse.cz>
21510 H.J. Lu <hongjiu.lu@intel.com>
21511 Evandro Menezes <evandro.menezes@amd.com>
21513 * invoke.texi (generic): Document
21515 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
21516 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
21517 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
21518 (x86_use_incdec, x86_pad_returns): New variables
21519 (TARGET_CPU_DEFAULT_generic): New constant
21520 (TARGET_CPU_DEFAULT_NAMES): Add generic.
21521 (enum processor_type): Add generic32 and generic64.
21522 * i386.md (cpu attribute): Add generic32/generic64
21523 (movhi splitter): Behave sanely when both partial_reg_dependency and
21524 partial_reg_stall are set.
21525 (K8 splitters): Enable for generic as well.
21526 * predicates.md (incdec_operand): Use TARGET_INCDEC
21527 (aligned_operand): Avoid memory mismatch stalls.
21528 * athlon.md: Enable for generic64, new patterns for 128bit moves.
21529 * ppro.md: Enable for generic32
21530 * i386.c (generic64_cost, generic32_cost): New.
21531 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
21532 (x86_use_leave): Enable for generic64. (x86_use_sahf,
21533 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
21534 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
21535 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
21536 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21537 x86_partial_reg_dependency, x86_memory_mismatch_stall,
21538 x86_accumulate_outgoing_args, x86_prologue_using_move,
21539 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
21540 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
21541 Enable for generic.
21542 (x86_use_incdec, x86_pad_returns): New.
21543 (override_options): Add generic32 and generic64, translate "generic"
21544 to generic32/generic64 and "i686" to "generic32", refuse
21545 "generic32"/"generic64" as arch target.
21546 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
21547 (ix86_reorg): Honor PAD_RETURNS.
21549 2006-01-19 Diego Novillo <dnovillo@redhat.com>
21551 * tree-pretty-print.c (dump_generic_node): Handle
21552 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
21553 * cgraph.c (cgraph_expand_queue): Rename from
21554 cgraph_analyze_queue. Update all users.
21555 * cgraphunit.c (cgraph_assemble_pending_functions): Process
21556 cgraph_expand_queue.
21557 (cgraph_expand_all_functions): Likewise.
21558 (cgraph_finalize_pending_functions): Remove. Update callers.
21560 * tree.h (OMP_DIRECTIVE_P): Define.
21561 (OMP_PARALLEL_FN): Define.
21562 (OMP_PARALLEL_DATA_ARG): Define.
21563 (OMP_SECTIONS_SECTIONS): Define.
21564 * tree-pass.h (pass_expand_omp): Declare.
21565 * omp-low.c (struct omp_region): Declare.
21566 (struct omp_context): Remove fields 'parallel_type',
21567 'parallel_start_ix' and 'parallel_start_additional_args'.
21569 (struct omp_for_data): Rename from struct expand_omp_for_data.
21570 (omp_regions): New static variable.
21571 (root_omp_region): New static variable.
21572 (find_omp_clause): Make static.
21573 (is_in_combined_parallel_ctx): Remove.
21574 (is_combined_parallel): New.
21575 (extract_omp_for_data): Move earlier in the file.
21576 (workshare_safe_to_combine_p): New.
21577 (get_ws_args_for): New.
21578 (determine_parallel_type): Move earlier in the file.
21579 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
21581 (omp_copy_decl): Likewise.
21582 (create_omp_child_function): Likewise.
21583 (lookup_omp_region): New.
21584 (dump_omp_region): New.
21585 (debug_omp_region): New.
21586 (debug_all_omp_regions): New.
21587 (new_omp_region): New.
21588 (scan_omp_parallel): If parallel_nesting_level > 1, the
21589 directive is nested within another parallel directive.
21590 Set OMP_PARALLEL_FN.
21591 (scan_omp_for): Do not try to handle combined parallel+for
21593 Remove FIXME comment.
21594 (scan_omp_nested): Remove.
21595 (scan_omp_1): Do not call scan_omp_nested when
21596 parallel_nesting_level is > 1.
21597 Do not change the DECL_CONTEXT of local variables found.
21598 (lookup_decl_in_outer_ctx): New.
21599 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
21600 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
21601 (lower_reduction_clauses): Rename from expand_reduction_clauses.
21602 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
21603 If CTX is nested, lookup VAR in the outer context when
21604 building copy assignment.
21605 (lower_send_clauses): Rename from expand_send_clauses.
21606 If CTX is nested, lookup VAR in the outer context when
21607 building copy assignments.
21608 (lower_send_shared_vars): Rename from expand_send_shared_vars.
21609 If CTX is nested, lookup VAR in the outer context when
21610 building copy assignments.
21611 (expand_parallel_call): Rename from build_parallel_call.
21612 Handle combined parallel+workshare cases.
21613 Re-implement to emit code into the CFG.
21615 (expand_omp_parallel): Re-implement to emit code into the CFG.
21616 Call move_sese_region_to_fn to outline the sub-graph
21617 containing the parallel region.
21618 (expand_omp_for_1): Remove.
21619 (expand_omp_for_generic): Re-implement to emit code into the
21621 (expand_omp_for_static_nochunk): Likewise.
21622 (expand_omp_for_static_chunk): Likewise.
21623 (expand_omp_for): Likewise.
21624 (expand_omp_sections): Likewise.
21625 (remove_exit_barriers): New.
21626 (expand_omp_synch): New.
21628 (build_omp_regions_1): New.
21629 (build_omp_regions): New.
21630 (execute_expand_omp): New.
21631 (gate_expand_omp): New.
21632 (pass_expand_omp): Define.
21633 (lower_omp_sections): Rename from expand_omp_sections.
21634 Set OMP_SECTIONS_SECTIONS.
21635 (lower_omp_single_simple): Rename from expand_omp_single_simple.
21636 (lower_omp_single_copy): Rename from expand_omp_single_copy.
21637 (lower_omp_single): Rename from expand_omp_simple.
21638 (lower_omp_master): Rename from expand_omp_master.
21639 (lower_omp_ordered): Rename from expand_omp_ordered.
21640 (lower_omp_critical): Rename from expand_omp_critical.
21641 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
21642 (lower_omp_for): Re-implement.
21643 (lower_omp_parallel): Re-implement.
21644 (lower_regimplify): Rename from expand_regimplify.
21645 (lower_omp_1): Rename from expand_omp_1.
21646 If there are syntax errors in the program, replace every
21647 OpenMP directive with NOP.
21648 Call lower_omp_* instead of expand_omp_*.
21649 (lower_omp): Rename from expand_omp.
21651 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
21652 * tree-gimple.h (enum omp_parallel_type): Remove.
21653 (gimple_boolify): Declare extern.
21654 (find_omp_clause, determine_parallel_type): Remove.
21656 * gimple-low.c (lower_omp_directive): New.
21657 (lower_stmt): Call it.
21658 (record_vars_into): Move from ...
21659 (record_vars): ... here.
21660 Call record_vars_into with current_function_decl.
21662 * gimplify.c (struct gimplify_ctx): Remove fields
21663 combined_pre_p and combined_ctxp. Update users.
21664 (get_formal_tmp_var): Add documentation.
21665 (gimple_boolify): Make extern.
21666 (gimplify_expr_in_ctx): Remove. Update callers.
21667 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
21668 will always be a BIND_EXPR.
21669 (gimplify_expr): Handle OMP_RETURN_EXPR.
21670 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
21671 (OMP_PARALLEL): Add 3 operands.
21672 (OMP_SECTIONS): Add 1 operand.
21673 (OMP_RETURN_EXPR): Define.
21675 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
21676 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
21677 * tree-iterator.c (alloc_stmt_list): Assert that we are not
21678 creating a circular free list.
21679 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
21681 * tree-flow.h (move_sese_region_to_fn): Declare.
21682 (record_vars_into): Declare.
21683 * tree-cfg.c (make_omp_sections_edges): New.
21684 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
21685 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
21686 OMP_SECTIONS and OMP_SECTION.
21687 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
21688 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
21689 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
21690 (gather_blocks_in_sese_region): New.
21691 (struct move_stmt_d): Declare.
21692 (move_stmt_r): New.
21693 (move_block_to_fn): New.
21694 (move_sese_region_to_fn): New.
21696 * passes.c (init_optimization_passes): Schedule
21697 pass_expand_omp after pass_init_datastructures.
21699 * tree-ssa-operands.c (get_expr_operands): Handle
21700 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
21701 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
21703 2006-01-19 Jeff Law <law@redhat.com>
21705 * tree-vrp.c (extract_range_from_assert): Refine the result range
21706 if the variable referenced by the ASSERT_EXPR has a range and
21707 either the tentative result range or the previous range is a
21710 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21712 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
21714 2006-01-19 Jan Hubicka <jh@suse.cz>
21716 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
21718 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
21720 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
21721 (expand_compound_operation, expand_field_assignment): Fail if the
21722 bit lengths of an extract operation are out of range.
21723 (make_extraction): Compute wanted_inner_mode based on the position
21724 and length of the extraction. Make it extraction_mode for non-constant
21725 positions, and do not modify offset in that case. When generating a
21726 new MEM, use a mode that can hold the extraction while keeping correct
21727 alignment. Remove code that supported MEMs wrapped by USEs.
21728 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
21730 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
21732 * config/s390/s390.md ("Y", "y"): New mode attribute.
21733 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21734 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21735 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21736 "*addsi3_imm_cc", "*addsi3_carry1_cc",
21737 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21738 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21739 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21740 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21741 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21742 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21743 "addsi3", "subsi3"): Insn patterns removed.
21744 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
21745 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
21746 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
21747 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
21748 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
21749 "*sub<mode>3_cconly2"): New insn patterns.
21750 ("addsi3", "subsi3"): New expanders.
21752 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
21754 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
21755 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21756 existing STMT_VINFO_VECTYPE if available.
21757 (vect_mark_relevant): Add special handling for stmts that are
21758 marked as STMT_VINFO_IN_PATTERN_P.
21759 (vect_analyze_loop): Call vect_pattern_recog.
21760 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21761 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21763 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21764 (vect_recog_func_ptr): New function-pointer type.
21765 * tree-vect-patterns.c: New file.
21766 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21767 (vect_recog_dot_prod_pattern, vect_pattern_recog):
21768 (vect_pattern_recog_1): New functions.
21769 (vect_pattern_recog_funcs): New array of function pointers.
21771 * tree-vectorizer.h (ternary_op): New enum value.
21772 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21773 declaration. Revised documentation. Removed redundant dump prints.
21774 Removed redundant argument. Added support for reduction patterns.
21775 (vectorizable_reduction): Added support for reduction patterns.
21776 (vect_transform_stmt): Added support for patterns.
21778 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21779 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21780 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21781 (expand_widen_pattern_expr): New function.
21782 (init_optabs): Initialize new optabs udot_prod_optab,
21784 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21785 (sdot_prod_optab, udot_prod_optab): Define new optabs.
21786 (expand_widen_pattern_expr): New function declaration.
21787 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21789 * tree-inline.c (estimate_num_insns_1): Added cases for new
21790 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21791 * tree-pretty-print.c (dump_generic_node): Likewise.
21792 (op_prio): Likewise.
21793 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21794 * tree-ssa-operands.c (get_expr_operands): Added case for
21796 * tree-vect-patterns.c (widened_name_p): New function.
21797 (vect_recog_dot_prod_pattern): Added function implementation.
21798 * tree-vect-transform.c (get_initial_def_for_reduction): Added
21799 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21800 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21801 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21803 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21804 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21805 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21806 (init_optabs): Initialize new optabs widen_ssum_optab,
21808 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21809 (widen_ssum_optab, widen_usum_optab): Define new optabs.
21810 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21811 use instead of type of def.
21812 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21813 function implementation.
21814 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21815 widen_ssumv8hi): New.
21817 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21820 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21823 * c-decl.c (add_flexible_array_elts_to_size): New function.
21824 (finish_decl): Use it.
21826 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
21828 * diagnostic.h: Include options.h.
21829 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21830 dependancies for diagnostic.h.
21831 * Makefile.in (DIAGNOSTIC_H): Add options.h.
21833 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
21835 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21836 (ssa_ro_call_cache_valid): Ditto.
21837 * tree-ssa-alias.c (sort_tags_by_id): New function.
21838 (init_transitive_clobber_worklist): Ditto.
21839 (add_to_worklist): Ditto.
21840 (mark_aliases_call_clobbered): Ditto.
21841 (compute_tag_properties): Ditto.
21842 (set_initial_properties): Ditto.
21843 (compute_call_clobbered): Ditto.
21844 (compute_may_aliases): Call compute_call_clobbered and grouping.
21845 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21846 (compute_flow_insensitive_aliasing): Grouping now happens in our
21848 (setup_pointers_and_addressables): Remove clobbering related code.
21849 (add_may_alias): Ditto.
21850 (replace_may_alias): Ditto.
21851 (get_nmt_for): Ditto.
21852 (create_global_var):
21853 (is_escape_site): Return an escape_type enumeration.
21854 * tree-flow-inline.h (is_call_clobbered): Global var does not
21855 imply call clobbered.
21856 (mark_call_clobbered): Take a reason for marking this. Remove
21857 marking of globalness, and cache invalidation.
21858 (clear_call_clobbered): Remove cache invalidation code.
21859 * tree-dfa.c (dump_variable): If details is on, dump the reason
21861 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21863 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21864 (struct var_ann_d): Ditto.
21865 (enum escape_type): New.
21866 (mark_call_clobbered): Adjust prototype.
21867 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21868 are never call clobbered.
21869 Record reasons for escaping.
21870 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21871 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21872 (ssa_ro_call_cache_valid): Ditto.
21873 (clobbered_v_may_defs): Ditto.
21874 (clobbered_vuses): Ditto.
21875 (ro_call_vuses): Ditto.
21876 (clobber_stats): New.
21877 (init_ssa_operands): Zero out clobber stats.
21878 (fini_ssa_operands): Print out clobber stats.
21879 (get_call_expr_operands): Pass callee fndecl to
21880 add_call_read_ops).
21881 (add_call_clobber_ops): Remove use of cache.
21882 Add use of PURE_CONST information.
21883 (add_call_read_ops): Remove use of cache.
21884 Add use of static not_read information.
21886 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21888 Introduce TLS descriptors for i386 and x86_64.
21889 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21890 (TARGET_ANY_GNU_TLS): New macro.
21891 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21892 (struct machine_function): Add tls_descriptor_call_expanded_p.
21893 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21894 (ix86_current_function_calls_tls_descriptor): Likewise.
21895 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21896 (override_options): Introduce gnu2 tls dialect.
21897 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21899 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21901 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21902 (ix86_init_machine_status): Initialize new field.
21903 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21904 (ix86_tls_module_base): New.
21905 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21906 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21907 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21908 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21909 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21910 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21911 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21912 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21913 * config/i386/predicates.md (tls_modbase_operand): New.
21914 (tp_or_register_operand): New.
21916 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21918 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21919 (look_for_address_of): Ditto.
21920 (ipa_init): Walk the function decls.
21921 (static_execute): Don't set readonly on FUNCTION_DECL's.
21923 2006-01-18 Roger Sayle <roger@eyesopen.com>
21925 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21926 for shifts where the source and destination registers are different.
21928 2006-01-18 Paul Brook <paul@codesourcery.com>
21930 Merge from csl-arm-branch.
21931 2005-03-14 Julian Brown <julian@codesourcery.com>
21932 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21933 (aeabi_llsl): Likewise.
21934 (ashrdi3): Likewise.
21935 (aeabi_lasr): Likewise.
21936 (lshrdi3): Likewise.
21937 (aeabi_llsr): Likewise.
21938 2005-03-10 Julian Brown <julian@codesourcery.com>
21939 * config.gcc: Disable shared libgcc for SymbianOS.
21940 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21942 2006-01-18 DJ Delorie <dj@redhat.com>
21944 * c-pragma.c (handle_pragma_diagnostic): New.
21945 (init_pragma): Register it.
21946 * doc/extend.texi: Document it.
21948 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21949 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21950 (diagnostic_context): Add classify_diagnostic[].
21951 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21952 as errors if they're overridden to DK_WARNING.
21953 (diagnostic_initialize): Initialize classify_diagnostic[].
21954 (diagnostic_set_kind_override): New.
21955 (diagnostic_report_diagnostic): Check for kind changes.
21956 * opts.c (common_handle_option): Take lang_mask. Update callers.
21957 Handle OPT_Werror_.
21958 * common.opt (Werror=): New.
21959 * doc/invoke.texi: Document -Werror=*
21961 2006-01-18 Jeff Law <law@redhat.com>
21963 * tree-vrp.c (test_for_singularity): Correct test for new
21964 min limit. Use operand_equal_p rather than pointer equality
21965 for testing if new min/max values are equal.
21967 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21968 using range information until after propagation and folding.
21970 2006-01-18 Richard Henderson <rth@redhat.com>
21971 Aldy Hernandez <aldyh@redhat.com>
21972 Jakub Jelinek <jakub@redhat.com>
21973 Diego Novillo <dnovillo@redhat.com>
21975 * omp-low.c: New file.
21976 * c-omp.c: New file.
21978 2006-01-18 Richard Henderson <rth@redhat.com>
21979 Jakub Jelinek <jakub@redhat.com>
21980 Diego Novillo <dnovillo@redhat.com>
21982 * doc/invoke.texi: Document -fopenmp.
21983 * tree-dump.h (debug_function): Declare.
21984 * hooks.c (hook_bool_tree_bool_false): New function.
21985 (hook_tree_tree_null): Remove.
21986 (hook_tree_tree_tree_null): New.
21987 * hooks.h: Update to match.
21988 * tree-pretty-print.c (debug_tree_chain): New.
21989 (print_generic_expr): Handle TDF_CHAIN.
21990 (dump_generic_node): Handle BLOCK.
21991 Do not abort with incomplete SWITCH_EXPRs.
21992 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21993 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21994 print space after directive name.
21995 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21996 Handle OMP_MASTER and OMP_ORDERED.
21997 Handle printing of OMP_BODY just in one place, goto
21998 dump_omp_body in the rest of OMP_* nodes that have
22000 Don't handle clause nodes here. Update omp statements to
22001 use dump_omp_clauses.
22002 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
22003 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
22004 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
22005 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
22006 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
22007 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
22008 Adjust output for GOMP_PARALLEL.
22009 (dump_omp_clauses): New.
22010 (print_declaration): Dump DECL_VALUE_EXPR.
22011 (op_symbol_1): Split out of op_symbol.
22012 (dumping_stmts): Remove. Update all users.
22013 * cgraph.c (cgraph_analyze_queue): New.
22014 (cgraph_add_new_function): New.
22015 * cgraph.h (cgraph_analyze_queue): Declare.
22016 (cgraph_add_new_function): Declare.
22017 (cgraph_lower_function): Remove.
22018 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
22019 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
22020 and TYPE_P nodes in its default clause.
22021 (empty_body_p): New.
22022 (tree_range_check_failed): New.
22023 (build5_stat): New.
22024 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
22025 OMP_CLAUSE_REDUCTION_MERGE,
22026 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
22027 OMP_CLAUSE_PRIVATE_DEBUG,
22028 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
22029 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
22030 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
22031 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
22032 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
22033 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
22034 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
22035 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
22036 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
22037 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
22038 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
22039 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
22040 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
22041 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
22042 (TREE_RANGE_CHECK): New.
22043 (empty_body_p): Declare.
22044 (enum omp_clause_default_kind): New.
22045 (build_string_literal): Declare.
22046 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
22047 (build5_stat, build5): Declare.
22048 * tree-pass.h (TDF_CHAIN): Define.
22049 * tree-pass.h (PROP_gimple_lomp): Define.
22050 (pass_lower_omp): Declare.
22051 * diagnostic.h (debug_tree_chain): Declare.
22052 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
22054 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
22055 * builtins.c (build_string_literal): Make extern.
22056 * gcc.c (include_spec_function): New.
22057 (static_spec_functions): Add it.
22058 (main): Move load of libgomp.spec ...
22059 (LINK_COMMAND_SPEC): ... here.
22060 (link_gomp_spec): New.
22061 (static_specs): Include it.
22062 (LINK_COMMAND_SPEC): Add link_gomp.
22063 (GOMP_SELF_SPECS): New.
22064 (driver_self_specs): Include it.
22065 (switch_matches): Don't mark inline.
22066 (main): Load libgomp.spec.
22067 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
22068 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
22069 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
22070 * tree-gimple.h (enum omp_parallel): Declare.
22071 (determine_parallel_type): Declare.
22072 (omp_firstprivatize_variable): Declare.
22073 (omp_reduction_init): Declare.
22074 (diagnose_omp_structured_block_errors): Declare.
22075 (struct walk_stmt_info): Add want_return_expr.
22076 (struct walk_stmt_info): Add want_bind_expr, want_locations.
22077 (find_omp_clause): Declare.
22078 (insert_field_into_struct): Declare.
22079 (struct walk_stmt_info): Move from tree-nested.c
22080 (walk_stmts): Declare.
22081 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
22083 * cgraphunit.c (cgraph_lower_function): Make static.
22084 (cgraph_finalize_pending_functions): New.
22085 (cgraph_finalize_function): Call it.
22086 (cgraph_finalize_compilation_unit): Likewise.
22087 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
22088 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
22089 (BT_FN_UINT_UINT): New.
22090 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
22091 DEF_FUNCTION_TYPE_VAR_4): Document.
22092 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
22093 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
22094 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
22095 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
22096 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
22097 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
22098 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
22099 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
22100 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
22101 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
22102 into separate files.
22103 (DEF_GOMP_BUILTIN): New.
22104 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
22105 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
22106 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
22107 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
22108 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
22109 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
22110 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
22111 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
22112 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
22113 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
22114 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
22115 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
22116 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
22117 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
22118 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
22119 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
22120 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
22121 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
22122 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
22123 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
22124 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
22125 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
22126 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
22127 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
22128 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
22129 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
22130 * sync-builtins.def: New file, moved from builtins.def.
22131 * omp-builtins.def: New file, moved from builtins.def.
22132 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
22133 * gimple-low.c (lower_function_body): Clear data.
22134 (lower_stmt): Do not handle COMPOUND_EXPR.
22135 Remove call to print_node_brief.
22136 * c-tree.h (c_finish_omp_clauses): New prototype.
22137 (C_DECL_THREADPRIVATE_P): Define.
22138 (lookup_name_no_remap, c_omp_remap_private): Remove
22139 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
22140 (check_for_loop_decls): Update decl.
22141 (lookup_name_no_remap, c_omp_remap_private): Declare.
22142 (build_indirect_ref, build_modify_expr, pushdecl,
22143 pushdecl_top_level): Move to c-common.h.
22144 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
22145 before the switch, but just in the 2 places that need it.
22146 * c-decl.c (diagnose_mismatched_decls): Do not check for
22147 mismatched thread-local attributes when OLDDECL is marked
22148 threadprivate and NEWDECL has no thread-local attributes.
22149 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
22150 (c_gimple_diagnostics_recursively): Rename from
22151 c_warn_unused_result_recursively. Invoke
22152 diagnose_omp_structured_block_errors.
22153 (check_for_loop_decls): Return a singular decl found.
22154 * langhooks.c (lhd_omp_predetermined_sharing): Return
22155 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
22156 (lhd_omp_firstprivatize_type_sizes): New.
22157 (lhd_omp_assignment): New.
22158 (lhd_omp_predetermined_sharing): New.
22159 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
22160 (struct lang_hooks_for_types): Add
22161 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
22162 omp_predetermined_sharing, omp_disregard_value_expr,
22163 omp_private_debug_clause, omp_clause_default_ctor,
22164 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
22165 (c_finish_omp_clauses): New.
22166 (c_finish_bc_stmt): Diagnose break within omp for.
22167 (c_begin_omp_parallel, c_finish_omp_parallel): New.
22168 (build_unary_op): Return error_mark after reporting
22170 (build_modify_expr): Likewise.
22171 * gimplify.c: Include optabs.h and pointer-set.h.
22172 (enum gimplify_omp_var_data): Declare.
22173 (struct gimplify_omp_ctx): Declare.
22174 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
22176 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
22177 (push_gimplify_context, pop_gimplify_context): Allow nesting.
22178 (splay_tree_compare_decl_uid): New.
22179 (new_omp_context): New.
22180 (delete_omp_context): New.
22181 (gimple_add_tmp_var): Call omp_add_variable.
22182 (gimplify_bind_expr): Likewise.
22183 (gimplify_var_or_parm_decl): If omp_notice_variable returned
22184 true, disregard DECL_VALUE_EXPR on the decl if any.
22185 (gimplify_expr_in_ctx): New.
22186 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
22187 omp_add_variable, omp_notice_variable, omp_is_private
22188 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
22189 gimplify_adjust_omp_clauses, gimplify_omp_parallel
22190 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
22191 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
22192 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
22193 gimplify_omp_atomic): New.
22194 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
22195 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
22196 OMP_CRITICAL and OMP_ATOMIC.
22197 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
22198 * c-pragma.h (enum pragma_kind): Add
22199 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
22200 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
22201 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
22202 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
22203 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
22204 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
22205 PRAGMA_OMP_THREADPRIVATE.
22206 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
22207 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
22208 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
22209 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
22210 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
22211 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
22212 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
22213 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
22214 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
22215 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
22216 * tree-ssa-dce.c (find_control_dependence): Do not assume that
22217 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
22218 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
22220 (struct nesting_info): Add field_map,
22221 suppress_expansion, debug_var_chain.
22222 (create_nesting_tree): Initialize them.
22223 (lookup_field_for_decl): Use field_map.
22224 (get_nonlocal_debug_decl, get_local_debug_decl): New.
22225 (convert_local_omp_clauses): New.
22226 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
22227 (walk_body): Split out of walk_function.
22228 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
22229 (convert_nonlocal_reference): Handle omp statements.
22230 (convert_local_reference): Likewise.
22231 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
22232 (unnest_nesting_tree): New.
22233 (lower_nested_functions): Call it.
22234 (insert_field_into_struct): Make extern.
22235 (struct walk_stmt_info): Move to tree-gimple.h.
22236 (walk_stmts): Make extern.
22237 * omp-builtins.def: New file.
22238 * tree-iterator.c (expr_only): Clarify comment.
22239 * c-common.h (pushdecl_top_level, pushdecl,
22240 build_modify_expr, build_indirect_ref,
22241 c_finish_omp_master, c_finish_omp_critical,
22242 c_finish_omp_ordered, c_finish_omp_barrier,
22243 c_finish_omp_atomic, c_finish_omp_flush,
22244 c_finish_omp_for, c_split_parallel_clauses,
22245 omp_clause_default_kind, c_omp_sharing_predetermined,
22246 c_omp_remap_decl): Declare.
22247 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
22248 (OBJS-common): Add omp-low.o.
22249 (c-omp.o, omp-low.o): Add.
22250 (gimplify.o): Add dependency on $(OPTABS_H).
22251 (GTFILES): Add omp-low.c.
22252 (gt-stringpool.h): Add.
22253 * tree-cfg.c (set_bb_for_stmt): Do not update the
22254 block-to-labels map if we are currently expanding to RTL.
22255 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
22257 Handle IDENTIFIER_NODE.
22258 (tree_verify_flow_info): Do not ICE when emitting error
22259 messages about invalid labels.
22260 (dump_function_to_file): Reset CFUN before emitting the body
22262 (debug_function): New.
22263 * passes.c (init_optimization_passes): Schedule
22265 * langhooks-def.h (lhd_omp_predetermined_sharing,
22266 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
22268 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
22269 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
22270 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
22271 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
22272 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
22273 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
22274 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
22275 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
22276 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
22277 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
22278 (LANG_HOOK_DECLS): Use them.
22280 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
22281 Richard Henderson <rth@redhat.com>
22282 Jakub Jelinek <jakub@redhat.com>
22283 Diego Novillo <dnovillo@redhat.com>
22285 * c-parser.c (pragma_omp_clause): Define.
22286 (c_parser_declaration_or_fndef): Document OpenMP syntax.
22287 (c_parser_compound_statement): Likewise.
22288 (c_parser_statement): Likewise.
22289 (c_parser_pragma): Handle omp pragmas.
22290 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
22291 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
22292 (c_parser_omp_clause_name, check_no_duplicate_clause,
22293 c_parser_omp_variable_list,
22294 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
22295 c_parser_omp_clause_copyprivate,
22296 c_parser_omp_clause_default,
22297 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
22298 c_parser_omp_clause_lastprivate,
22299 c_parser_omp_clause_nowait,
22300 c_parser_omp_clause_num_threads,
22301 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
22302 c_parser_omp_clause_reduction,
22303 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
22304 c_parser_omp_all_clauses, c_parser_omp_structured_block,
22305 c_parser_omp_atomic, c_parser_omp_barrier,
22306 c_parser_omp_critical, c_parser_omp_flush,
22307 c_parser_omp_for_loop, c_parser_omp_for,
22308 c_parser_omp_master, c_parser_omp_ordered,
22309 c_parser_omp_sections_scope, c_parser_omp_sections,
22310 c_parser_omp_parallel, c_parser_omp_single,
22311 c_parser_omp_construct, c_parser_omp_threadprivate): New.
22312 * c-pragma.c (init_pragma): Do omp pragma registration here.
22313 * c.opt (fopenmp): New flag.
22315 2006-01-18 Eric Christopher <echristo@apple.com>
22317 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
22318 * config/darwin.h (GOMP_SELF_SPECS): Define.
22320 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22322 * rtl.h: Remove the prototype for reg_alloc.
22324 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22327 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
22328 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
22329 sjlj and dwarf2 exception handling.
22330 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
22331 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
22332 * pa/pa.c (function_value): Treat complex and vector types as
22334 (function_arg): Likewise. Only pass scalar floats in the floating
22335 point argument registers.
22336 * pa/t-slibgcc-dwarf-ver: New file.
22337 * pa/t-slibgcc-sjlj-ver: New file.
22338 * pa/t-slibgcc-elf-ver: Delete file.
22340 2006-01-19 Alan Modra <amodra@bigpond.net.au>
22342 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
22343 unlikely_test_section_p test.
22345 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22347 * mode-switching.c (optimize_mode_switching): Make it static.
22348 * basic-block.h: Remove the prototype for
22349 optimize_mode_switching.
22351 * modulo-sched.c (sms_schedule): Make it static.
22352 * rtl.h: Remove the prototype for sms_schedule.
22354 * postreload-gcse.c (gcse_after_reload_main): Make it static.
22355 * rtl.h: Remove the prototype for gcse_after_reload_main.
22357 * reg-stack.c (reg_to_stack): Make it static.
22358 * rtl.h: Remove the prototype for reg_to_stack.
22360 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
22362 * rtl.h: Remove the prototypes for regrename_optimize and
22363 copyprop_hardreg_forward.
22365 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
22367 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
22368 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
22369 Test against the appropriate null constant for the mode.
22370 If 'fixup_overlap' is true, swap the operands if they overlap.
22371 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
22372 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
22373 alpha_split_tmode_pair and adjust for above change.
22374 * config/alpha/alpha.md (movtf_internal): Adjust call to
22375 alpha_split_tfmode_pair and rely on it to swap the operands.
22376 (movti_internal): New insn and post-reload splitter.
22377 (movti): New expander.
22379 2006-01-18 Philippe De Muyter <phdm@macqel.be>
22381 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
22384 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22386 * rtlanal.c (global_reg_mentioned_p_1,
22387 global_reg_mentioned_p): Remove.
22388 * rtl.h: Remove the prototype for global_reg_mentioned_p.
22390 * flow.c (initialize_uninitialized_subregs): Make it static.
22391 * rtl.h: Remove the prototype for
22392 initialize_uninitialized_subregs.
22394 * function.c (instantiate_virtual_regs): Make it static.
22395 * function.h: Remove the prototype for
22396 instantiate_virtual_regs.
22398 * regmove.c (regmove_optimize, combine_stack_adjustments):
22400 * rtl.h: Remove the prototypes for regmove_optimize and
22401 combine_stack_adjustments.
22403 2006-01-17 Roger Sayle <roger@eyesopen.com>
22405 * config/i386/i386.c (COSTS_N_BYTES): New macro.
22406 (size_cost): Encode costs in bytes so that a reg-reg addition is
22407 equivalent to COSTS_N_INSNS(1).
22408 (override_options): Use the size_cost.branch_cost as the default
22409 ix86_branch_cost when optimizing for size.
22411 2006-01-18 Ben Elliston <bje@au.ibm.com>
22413 * Makefile.in (D32PBIT_FUNCS): New.
22414 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
22415 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
22416 D64PBIT_FUNCS and D128PBIT_FUNCS.
22417 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
22418 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
22420 (decnumber_dep): Define.
22421 * doc/libgcc.texi (Decimal float library routines): New node.
22422 * config/dfp-bit.h, config/dfp-bit.c: New files.
22424 2006-01-18 Ben Elliston <bje@au.ibm.com>
22426 * expr.c (emit_move_change_mode): Always adjust addresses, not
22427 just during reload. Copy replacements only during reload.
22428 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
22429 emit_move_via_integer.
22431 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
22433 * Makefile.in (check-%, check-consistency): Use $${srcdir}
22434 instead of $(srcdir) and ${srcdir}.
22436 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
22439 PR middle-end/11135
22440 * arm.h (struct machine_function): Add pic_reg.
22441 * arm.c (arm_pic_register): Make unsigned.
22442 (arm_override_options): Only set arm_pic_register if
22443 TARGET_SINGLE_PIC_BASE.
22444 (use_return_insn): Only test for a pic register if it is fixed.
22445 (arm_compute_save_reg0_reg12_mask): Likewise.
22446 (thumb_compute_save_reg_mask): Likewise.
22447 (legitimate_pic_operand): Factor out some known invariants.
22448 (legitimize_pic_address): If we don't have a fixed pic register,
22449 then set up a pseudo in the function entry sequence. Handle the
22450 pic base being in a pseudo.
22451 (arm_load_pic_register): Handle the pic register being in a pseudo.
22452 (arm_expand_prologue): Only set up the pic register if it is fixed.
22453 (thumb_expand_prologue): Likewise.
22454 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
22455 (pic_load_addr_based_insn): Likewise.
22456 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
22459 2006-01-18 Ben Elliston <bje@au.ibm.com>
22461 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
22462 decimal float modes for all floating point registers.
22464 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
22465 match_code "mem" with match_test "macho_lo_sum_memory_operand".
22467 2006-01-17 Jakub Jelinek <jakub@redhat.com>
22470 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
22471 even when the pointer is not NULL.
22473 2006-01-16 Ian Lance Taylor <ian@airs.com>
22475 * common.opt (ftoplevel-reorder): New option.
22476 * cgraph.c (cgraph_asm_nodes): New global variable.
22477 (cgraph_asm_last_node): New static variable.
22478 (cgraph_order): New global variable.
22479 (cgraph_create_node): Set new order field.
22480 (cgraph_varpool_node): Likewise.
22481 (decide_is_variable_needed): Return true if not
22482 flag_toplevel_reorder.
22483 (cgraph_add_asm_node): New function.
22484 * cgraph.h (struct cgraph_node): Add order field.
22485 (struct cgraph_varpool_node): Add order field.
22486 (struct cgraph_asm_node): Define.
22487 (cgraph_asm_nodes, cgraph_order): Declare.
22488 (cgraph_add_asm_node): Declare.
22489 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
22491 (cgraph_varpool_assemble_pending_decls): Call it.
22492 (cgraph_output_pending_asms): New static function.
22493 (cgraph_finalize_compilation_unit): Call it.
22494 (struct cgraph_order_sort): Define.
22495 (cgraph_output_in_order): New static function.
22496 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
22497 !flag_toplevel_reorder case.
22498 * c-parser.c: Include "cgraph.h".
22499 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
22501 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
22502 than -fno-unit-at-a-time.
22503 * doc/invoke.texi (Option Summary): Mention
22504 -fno-toplevel-reorder.
22505 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
22506 -funit-at-a-time documentation.
22508 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
22509 Kazu Hirata <kazu@codesourcery.com>
22511 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
22513 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
22515 * Makefile.in (FUNCTION_H): New. Use it instead of
22516 function.h throughout the file.
22517 * function.h: Include tree.h.
22519 2006-01-17 Ben Elliston <bje@au.ibm.com>
22521 * recog.c: Separate some functions with whitespace.
22523 2006-01-16 Richard Henderson <rth@redhat.com>
22525 Merge from gomp branch:
22526 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
22527 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
22528 and rename from struct inline_data. Rename callee* to dst*;
22529 caller* to src*; add copy_decl hook, transform_call_graph_edges,
22530 transform_new_cfg, transform_return_to_modify, and
22531 transform_lang_insert_block flags; remove cloning_p, versioning_p,
22533 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
22534 (copy_decl_for_dup): Remove.
22535 * tree-inline.c (struct inline_data): Move to header.
22536 (insert_decl_map): Export.
22537 (remap_decl): Update for member name changes. Use copy_decl hook.
22538 Allow for replacement to be a non-decl. Remove dead code.
22539 (remap_type_1): Check for existing mapping.
22540 (remap_type): Export.
22541 (remap_decls): Update for member name changes.
22542 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
22543 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
22544 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
22545 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
22546 (tree_function_versioning, build_duplicate_type): Likewise.
22547 (copy_body_r): Likewise. Export.
22548 (copy_decl_for_dup): Split into ...
22549 (copy_decl_for_dup_finish, copy_decl_to_var,
22550 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
22551 (replace_ref_tree, inlining_p): Remove.
22553 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22555 * ifcvt.c (if_convert): Make it static.
22556 * rtl.h: Remove the prototype for if_convert.
22558 * local-alloc.c (local_alloc): Make it static.
22559 * rtl.h: Remove the prototype for local_alloc.
22561 * loop.c (loop_optimize): Make it static.
22562 * cfgloop.h: Remove the prototype for loop_optimize.
22565 2006-01-16 DJ Delorie <dj@redhat.com>
22567 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
22570 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22572 * pa.md: Disparage copies between general and floating-point registers
22573 in 32-bit move patterns.
22575 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
22578 * Makefile.in (check-%): Depend on site.exp instead of
22579 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
22582 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22584 * global.c (global_alloc): Make it static.
22585 * rtl.h: Remove the prototype for global_alloc.
22587 2006-01-16 Richard Guenther <rguenther@suse.de>
22589 * tree-ssa-alias.c (struct used_part): Add write_only field.
22590 (get_or_create_used_part_for): Initialize it to true.
22591 (create_overlap_variables_for): Don't create structure variables
22592 for structures that only are written to.
22593 (find_used_portions): Handle MODIFY_EXPR to track whether a
22594 structure is only written to.
22596 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22598 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
22600 * basic-block.h: Remove the prototype for
22601 partition_hot_cold_basic_blocks.
22603 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
22605 * cppspec.c (lang_specific_spec_functions): Remove.
22606 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
22607 * gcc.h (lang_specific_spec_functions): Remove.
22608 * gccspec.c (lang_specific_spec_functions): Remove.
22610 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
22612 * combine.c (record_value_for_reg): Invalidate registers
22614 (record_dead_and_set_regs_1): Likewise, by passing them to
22615 record_value_for_reg.
22616 (record_dead_and_set_regs): Invalidate stores made by a
22617 call. We do not combine across a call, but we still
22618 relied on equivalences.
22620 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22622 * tree-vrp.c (extract_range_from_binary_expr): Cope with
22623 vrp_int_const_binop returning non-constant nodes.
22625 2006-01-16 Paul Brook <paul@codesourcery.com>
22627 * config/m68k/m68k.c (output_move_const_into_data_reg):
22628 Output correct mnemonic for mvz and mvs.
22630 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
22632 * rtl-factoring.c: Add sequence abstraction algorithm.
22633 * cfgcleanup.c (outgoing_edges_match): Extra checks.
22634 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
22636 (block_has_preserve_label): New function.
22637 * common.opt: Register new pass.
22638 * Makefile.in: Ditto.
22640 * timevar.def: Ditto.
22641 * tree-pass.h: Ditto.
22642 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
22643 * rtl.h (make_jump_insn_raw): Add forward decl.
22644 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
22646 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22647 Roger Sayle <roger@eyesopen.com>
22649 * fold-const.c (fold_minmax): New static function.
22650 (fold_binary) <MIN_EXPR>: Call it.
22651 <MAX_EXPR>: Likewise.
22652 * stor-layout.c (place_field): Use DECL_SIZE consistently
22653 in the computation of the new record size.
22655 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22657 * cse.c (cse_condition_code_reg): Make it static.
22658 * rtl.h: Remove the prototype for cse_condition_code_reg.
22660 * combine.c (combine_instructions): Make it static.
22661 * rtl.h: Remove the prototype for combine_instructions.
22663 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22666 * tree.c (get_file_function_name_long): Concatenate the first global
22667 object name with a string derived from the input filename of the object
22670 2006-01-16 Ben Elliston <bje@au.ibm.com>
22672 * config/i386/winnt-stubs.c: Update FSF address.
22673 * config/xtensa/ieee754-df.S: Ditto.
22674 * config/xtensa/ieee754-sf.S: Ditto.
22676 2006-01-14 Ian Lance Taylor <ian@airs.com>
22678 * ifcvt.c (noce_init_if_info): New static function, broken out of
22679 noce_process_if_block.
22680 (noce_process_if_block): Call noce_init_if_info.
22681 (check_cond_move_block): New static function.
22682 (cond_move_process_if_block): New static function.
22683 (process_if_block): Call cond_move_process_if_block.
22685 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
22687 * cselib.c (hash_table): Rename to cselib_hash_table.
22688 (cselib_clear_table, discard_useless_values,
22689 remove_useless_values, cselib_lookup_mem, cselib_lookup,
22690 cselib_init, cselib_finish): Adjust uses of hash_table.
22692 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
22694 PR tree-optimization/25485
22695 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
22696 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
22697 is known to be false and true, respectively.
22699 2006-01-14 Richard Guenther <rguenther@suse.de>
22701 PR tree-optimization/22548
22702 PR tree-optimization/22555
22703 PR tree-optimization/22501
22704 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
22705 * params.def (salias-max-array-elements): New parameter.
22706 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
22707 * doc/invoke.texi (salias-max-array-elements): Document.
22708 * tree-flow-inline.h (var_can_have_subvars): We also handle
22710 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22712 * tree-ssa-structalias.c (params.h): Include.
22713 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
22714 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
22715 (get_constraint_for): For ADDR_EXPR operating on something
22716 containing an ARRAY_REF, add all subvars to the solution.
22717 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
22718 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
22719 for creating MUST_DEFs.
22720 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22722 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
22724 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22726 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
22727 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22728 number_of_iterations_le): New functions.
22729 (number_of_iterations_special): Removed.
22730 (number_of_iterations_exit): Do not use number_of_iterations_special.
22731 * tree.c (unsigned_type_for): Always return integer type.
22733 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
22734 Richard Guenther <rguenther@suse.de>
22736 PR rtl-optimization/24257
22737 * gcse.c (find_moveable_store): Only consider a store movable
22738 when the SET_SRC of the insn can be assigned to a register.
22740 2006-01-14 Ian Lance Taylor <ian@airs.com>
22742 * tree.c (tree_not_class_check_failed): New function.
22743 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22744 (tree_not_class_check_failed): Declare.
22746 2006-01-13 Ian Lance Taylor <ian@airs.com>
22748 * reload1.c (do_output_reload): Add assertion rejecting a
22751 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
22753 * combine.c (struct reg_stat): Add new fields truncation_label and
22755 (record_value_for_reg): Reset truncated_to_mode.
22756 (record_truncated_value): New function.
22757 (check_promoted_subreg): Call it. Rename to check_conversions.
22758 (combine_instructions): Rename check_promoted_subreg to
22760 (reg_truncated_to_mode): New function.
22761 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
22762 (gen_lowpart_or_truncate): New function.
22763 (force_to_mode): Use it instead of gen_lowpart.
22765 2006-01-13 Diego Novillo <dnovillo@redhat.com>
22767 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
22768 VAR is a tag, not its type tag.
22770 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
22772 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22773 alternatives to match style of other entries.
22774 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
22776 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
22778 PR tree-optimization/25771
22779 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22782 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
22785 * tree-inline.c (declare_return_variable): If the return variable
22786 was marked as a non gimple complex, set the return slot variable
22787 to be a non gimple comple variable.
22789 2006-01-13 Richard Guenther <rguenther@suse.de>
22791 * builtins.c (expand_builtin_sincos): New function.
22792 (expand_builtin_mathfn_3): Remove dead code, sin and cos
22794 (expand_builtin): Expand sincos using expand_builtin_sincos.
22796 2006-01-12 DJ Delorie <dj@redhat.com>
22798 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22799 shift counts, separate SI shifts for m32c vs m16c, pass shift type
22800 so that constant shifts can be split.
22801 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22802 (m32c_valid_pointer_mode): Make static.
22803 (shift_gen_func_for): New.
22804 (m32c_prepare_shift): Use it. Split large const shifts into
22806 * config/m32c/predicates.md (shiftcount_operand): Allow more
22808 (longshiftcount_operand): New.
22809 * doc/md.texi (Machine Constraints): Document In6.
22811 2006-01-13 Ben Elliston <bje@au.ibm.com>
22813 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22814 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22817 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
22819 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22820 to try to avoid clobbering pieces of structures when we know
22821 something about the whole structure.
22822 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22824 2006-01-13 Ben Elliston <bje@au.ibm.com>
22826 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22827 return in memory, as this is no limitation is no longer present.
22829 2006-01-12 DJ Delorie <dj@redhat.com>
22831 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22832 mova with fb, and for fb+0 -> An.
22834 * config/m32c/mov.md (peephole2): Fix enabling logic.
22836 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22837 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22838 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22839 FINI_ARRAY_SECTION_ASM_OP): Define.
22841 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22843 (m32c_legitimize_reload_address): New logic to reload FB to An.
22844 (m32c_output_reg_push): Add newline.
22845 (m32c_output_reg_pop): Likewise.
22847 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22849 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22851 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22853 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22855 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22857 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22860 2006-01-11 Ben Elliston <bje@au.ibm.com>
22862 * rtlanal.c (find_reg_note): Assert insn is not null.
22864 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22866 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22869 2006-01-11 Jeff Law <law@redhat.com>
22871 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22873 (mark_threaded_blocks, register_jump_thread): New functions.
22874 (thread_through_all_blocks): Remove unwanted argument. No
22875 longer rely on e->aux to communicate thread target info.
22876 Call mark_threaded_blocks. Release the threaded_blocks
22877 bitmap and threaded_edges vector when complete.
22878 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22879 (threaded_blocks): Remove.
22880 (tree_ssa_dominator_optimize): Remove initialization and
22881 finalization of threaded_blocks. Simplify call to
22882 thread_through_all_blocks.
22883 (thread_across_edge): Call register_jump_thread rather than
22884 storing thread information into e->aux.
22885 (free_all_edge_infos): Simplify now that e->aux is no longer
22886 used to communicate with thread_through_all_blocks.
22887 * tree-flow.h (thread_through_all_blocks): Update prototype.
22888 (register_jump_thread): Prototype.
22890 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22892 * df-core.c (df_compact_blocks, df_bb_replace): Use
22893 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22895 2006-01-11 Richard Guenther <rguenther@suse.de>
22897 PR tree-optimization/25734
22898 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22899 stop propagation after successful propagation to the LHS.
22901 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22903 * basic-block.h (control_flow_graph): Change the type of
22904 x_basic_block_info to VEC(basic_block,gc) *.
22905 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22907 (SET_BASIC_BLOCK): New.
22908 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22909 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22910 * cfgbuild.c (find_basic_blocks): Likewise.
22911 * cfglayout.c (fixup_reorder_chain): Likewise.
22912 * cfgrtl.c (create_basic_block_structure,
22913 rtl_create_basic_block): Likewise.
22914 * ifcvt.c (find_if_case_1): Likewise.
22915 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22918 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22920 * Makefile.in: Removed rotted odf.c entry.
22922 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22925 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22926 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22927 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22928 output pattern modifier, not %e.
22929 * config/cris/cris.c (cris_op_str): Update comment about pattern
22931 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22932 before falling through into...
22933 <case 'E'>: Redefined from old 'e' case.
22935 2006-01-11 Jan Hubicka <jh@suse.cz>
22938 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22940 2006-01-11 Jan Hubicka <jh@suse.cz>
22942 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22943 * i386.c (x86_decompose_lea): Kill.
22944 (ix86_rtx_costs): Kill.
22946 2006-01-11 Jan Hubicka <jh@suse.cz>
22948 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22949 * cgraph.h (cgraph_node): Add inline_decl.
22950 (cgraph_insert_node_to_hashtable): Declare.
22951 (save_inline_function_body): Declare.
22952 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22954 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22955 (cgraph_function_versioning): Update call of tree_function_versioning.
22956 (save_inline_function_body): New function.
22957 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22958 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22959 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22960 (cgraph_default_inline_p): Likewise.
22961 (cgraph_decide_inlining_incrementally): Likewise.
22962 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22963 (copy_bb): Kill saving; do updating of clones.
22964 (copy_cfg_body): Kill saving.
22965 (initialize_inlined-parameters): Likewise.
22966 (expand_call_inline): Likewise.
22968 (tree_function_versioning): New parameter "update_clones".
22969 (inlining_p): Kill saving.
22970 * tree-inline.h (tree_function_versioning): Update prototype.
22971 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22974 2006-01-11 Ian Lance Taylor <ian@airs.com>
22976 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22977 Allow undoing set of machine mode.
22978 (do_SUBST): Use enums instead of is_int.
22979 (do_SUBST_MODE): New function.
22980 (SUBST_MODE): New macro.
22981 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22982 reg and trying to replace reg_regno_rtx with a new register.
22983 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22984 (simplify_set): Use SUBST_MODE.
22985 (distribute_notes): Remove code that tried to update reg notes
22986 for regno_reg_rtx changes.
22988 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22990 PR tree-optimization/23109
22991 PR tree-optimization/23948
22992 PR tree-optimization/24123
22994 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22995 * tree-cfg.c (single_noncomplex_succ): New.
22996 * tree-flow.h (single_noncomplex_succ): Declare it.
22997 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22998 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22999 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
23000 insert_bb, register_division_in, insert_reciprocals,
23001 replace_reciprocal, free_bb): New.
23002 (execute_cse_reciprocals_1): Rewritten.
23003 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
23004 Do not commit any edge insertion. Always compute dominators and
23005 create the allocation pool.
23006 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
23007 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
23008 * targhooks.c (default_min_divistions_for_recip_mul): New.
23009 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
23010 * passes.c (init_optimization_passes): Run recip after tree loop
23012 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
23014 2006-01-11 Danny Berlin <dberlin@dberlin.org>
23015 Kenneth Zadeck <zadeck@naturalbridge.com>
23017 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
23018 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
23019 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
23020 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
23021 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
23022 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
23023 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
23024 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
23025 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
23026 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
23027 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
23028 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
23029 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
23030 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
23031 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
23032 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
23033 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
23034 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
23035 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
23036 DF_SCAN_POST_ALLOC): New macros.
23037 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
23038 df_free_bb_function, df_local_compute_function, df_init_function,
23039 df_dataflow_function, df_confluence_function_0,
23040 df_confluence_function_n, df_transfer_function,
23041 df_finalizer_function, df_free_function, df_dump_problem_function,
23042 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
23043 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
23044 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
23045 df_urec_bb_info, ) New types.
23046 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
23048 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
23049 df_analyze_simple_change_some_blocks,
23050 df_analyze_simple_change_one_block, df_compact_blocks,
23051 df_bb_replace, df_bb_regno_last_use_find,
23052 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
23053 df_insn_regno_def_p, df_find_def, df_find_use,
23054 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
23055 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
23056 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
23057 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
23058 debug_df_chain, df_get_dependent_problem, df_chain_create,
23059 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
23060 df_grow_bb_info, df_chain_dump, df_print_bb_index,
23061 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
23062 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
23063 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
23064 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
23065 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
23066 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
23067 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
23068 df_ref_remove, df_insn_refs_delete, df_refs_delete,
23069 df_reorganize_refs, df_set_state, df_hard_reg_init,
23070 df_read_modify_subreg_p) New public functions.
23071 * df-core.c: The core dataflow solver and glue routines for rtl
23073 (df_init, df_add_problem, df_set_blocks, df_finish,
23074 df_hybrid_search_forward, df_hybrid_search_backward,
23075 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
23076 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
23077 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
23078 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
23079 df_reg_defined, df_find_use, df_reg_used, df_dump,
23080 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
23081 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
23082 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
23083 debug_df_useno, reset_df_after_reload): New functions.
23084 * df-scan.c: The scanning fuctions, once in df.c, completely
23085 rewritten so that they now fully model the functionality of
23086 register usage at the backend.
23087 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
23088 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
23089 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
23090 df_grow_insn_info, df_rescan_blocks, df_ref_create,
23091 df_get_artificial_defs, df_get_artificial_uses,
23092 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
23093 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
23094 df_refs_delete, df_reorganize_refs, df_set_state,
23095 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
23096 df_def_record_1, df_defs_record, df_uses_record,
23097 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
23098 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
23099 df_record_exit_block_uses, df_hard_reg_init): New functions.
23101 * df-problems.c: Seven concrete dataflow problems that use the
23102 scanning in df-scan.c and are solved by the engine in df-core.c.
23103 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
23104 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
23105 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
23106 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
23107 df_ru_free_bb_info, df_ru_alloc,
23108 df_ru_bb_local_compute_process_def,
23109 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
23110 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
23111 df_ru_transfer_function, df_ru_free, df_ru_dump,
23112 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
23113 df_rd_free_bb_info, df_rd_alloc,
23114 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
23115 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
23116 df_rd_transfer_function, df_rd_free, df_rd_dump,
23117 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
23118 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
23119 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
23120 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
23121 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
23122 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
23123 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
23124 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
23125 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
23126 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
23127 df_urec_mark_reg_change, df_urec_check_earlyclobber,
23128 df_urec_mark_reg_use_for_earlyclobber,
23129 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
23130 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
23131 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
23132 df_urec_dump, df_urec_add_problem, df_chain_alloc,
23133 df_chain_create_bb_process_use, df_chain_create_bb,
23134 df_chain_finalize, df_chain_free, df_chains_dump,
23135 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
23136 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
23137 df_reg_lifetime): New functions.
23138 * df.c: Deleted file.
23139 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
23140 consistent with new df api.
23141 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
23142 rest_of_handle_sms): Ditto.
23143 * web.c (unionfind_union, union_defs, entry_register, web_main):
23145 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
23146 invariant_expr_equal_p, find_defs, check_dependencies,
23147 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
23148 free_inv_motion_data, move_loop_invariants): Ditto.
23149 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
23150 Update dependencies.
23151 (odf.c): Added defective entry that was deleted later in day.
23152 * sched-deps.c (sched_analyze_1): Ditto.
23154 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
23156 * tree-ssa-operands.c (get_expr_operands): Record addressable
23157 variables directly. Do not call add_stmt_operands for CONST_DECLs
23159 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
23160 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
23162 2006-01-11 Ben Elliston <bje@au.ibm.com>
23164 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
23165 function returns true in the positive case.
23167 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
23170 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
23171 for SI, DI, SF and DF modes. Add alternatives to copy between
23172 general and floating point registers to the 32-bit patterns.
23173 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
23174 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
23175 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
23176 generating 64-bit code.
23177 * config/pa/pa.c (output_move_double): Handle copies between general
23178 and floating registers.
23180 2006-01-10 Stuart Hastings <stuart@apple.com>
23182 * config/i386/i386.md (set_got): Update.
23183 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
23184 (builtin_setjmp_receiver): Mach-O support.
23185 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
23186 (GOT_SYMBOL_NAME): Define.
23187 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
23188 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
23189 * config/i386/i386.c (override_options): Revise for Darwin.
23190 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
23191 support. (darwin_x86_file_end): New. (output_set_got): Add label
23192 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
23193 * config/i386/i386-protos.h (output_set_got): Likewise.
23194 * config/darwin.c (machopic_legitimize_pic_address): Update
23197 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
23199 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
23200 when MODE isn't BLKmode.
23202 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
23204 PR rtl-optimization/25367
23205 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
23207 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
23210 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
23211 for a negative bound.
23213 2006-01-10 Richard Guenther <rguenther@suse.de>
23215 * tree-ssa-structalias.c (get_constraint_for_component_ref):
23216 Never override with anything constraint.
23218 2006-01-10 Jan Beulich <jbeulich@novell.com>
23220 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
23221 256 bits when optimize_size.
23223 2006-01-10 Jan Beulich <jbeulich@novell.com>
23225 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
23227 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
23228 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
23231 2006-01-10 Ben Elliston <bje@au.ibm.com>
23233 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
23235 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
23236 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
23237 (USE_FP_FOR_ARG): Reject decimal float modes.
23238 (function_arg_advance): Likewise.
23239 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
23240 (rs6000_handle_altivec_attribute): Do not permit decimal floating
23241 point types in AltiVec vectors.
23242 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
23243 (rs6000_libcall_value): Likewise.
23245 2006-01-09 Bob Wilson <bob.wilson@acm.org>
23247 * config/xtensa/ieee754-df.S: New file.
23248 * config/xtensa/ieee754-sf.S: New file.
23249 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
23250 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
23251 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
23253 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
23255 * config/sh/predicates.md (binary_float_operator,
23256 binary_logical_operator, commutative_float_operator,
23257 equality_comparison_operator, greater_comparison_operator,
23258 less_comparison_operator, logical_operator,
23259 noncommutative_float_operator, shift_operator,
23260 symbol_ref_operand, unary_float_operator): Remove redundant
23263 2006-01-09 Jeff Law <law@redhat.com>
23265 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
23266 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
23267 now unused arguments. Callers updated.
23268 (eliminate_redundant_computations): Remove now unused arguments,
23270 (local_fold): Remove, no longer used.
23271 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
23273 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
23274 (simplify_cond): New function.
23275 (forward_propagate_into_cond): Call simplify_cond.
23277 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
23279 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
23280 (*vec_extractv2di_1_sse): New.
23282 2006-01-09 Ben Elliston <bje@au.ibm.com>
23284 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
23286 2006-01-08 Richard Guenther <rguenther@suse.de>
23288 * tree-ssa-structalias.c (get_constraint_for): Remove
23289 anyoffset argument.
23290 (get_constraint_for_component_ref): Likewise.
23291 (do_deref): Likewise.
23292 (get_constraint_for): Likewise.
23293 (do_structure_copy): Likewise.
23294 (handle_ptr_arith): Likewise.
23295 (find_func_aliases): Likewise. Remove unused need_anyoffset
23298 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
23299 Kaz Kojima <kkojima@gcc.gnu.org>
23301 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
23302 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
23303 (EXTRA_CONSTRAINT_C16): Remove.
23304 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
23305 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
23306 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
23307 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
23308 constants of SHmedia. Handle nested constant expressions of
23310 (andcosts): Fix the costs for SHmedia constants.
23311 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
23312 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
23313 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
23314 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
23315 (movv4hi_i, movv2si_i): Likewise.
23316 (movsi_const): Adjust the second operand of ior so to match with
23317 the Csu constraint.
23318 (movdi_const, movdi_const_32bit): Likewise.
23319 (movdi_const_16bit+1): Don't sign-extend LOW.
23320 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
23322 (*double_shori): Fix the split condition. Use GEN_INT instead
23323 of get_int_mode calls. Mask lower 16-bit of the argument of
23325 (sym2GOTPLT): Remove.
23326 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
23328 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
23329 instead of EXTRA_CONSTRAINT_C16.
23331 2006-01-07 Ian Lance Taylor <ian@airs.com>
23332 David Edelsohn <edelsohn@gnu.org>
23334 PR rtl-optimization/25662
23335 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
23336 for constant operands instead of simplify_gen_binary.
23337 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
23338 after trying simplify_binary_operation
23340 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
23342 * tree.c (iterative_hash_expr): Hash decls based on UID.
23344 2006-01-06 Eric Christopher <echristo@apple.com>
23346 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
23347 (TARGET_UNWIND_EMIT): Fix spelling.
23348 * target.h (gcc_target): Add except_table_label.
23349 * except.c (output_function_exception_table): Use.
23350 * varasm.c (default_emit_except_table_label): New.
23351 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
23353 (asm_out): Add here.
23354 * output.h (default_emit_except_table_label): Prototype.
23355 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
23356 * config/darwin.c (darwin_emit_except_table_label): Define.
23357 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
23359 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
23361 PR tree-optimization/18527
23362 * tree-ssa-loop-niter.c (number_of_iterations_cond,
23363 number_of_iterations_special, number_of_iterations_exit):
23364 Move base and step of an iv to a single structure. Add
23365 no_overflow flag, and use it in # of iterations analysis.
23366 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
23367 folded_casts argument.
23368 (simple_iv): Pass base and step in a structure. Set no_overflow
23370 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
23371 Evaluate expensiveness of computing # of iterations instead of
23372 the final expression.
23373 * tree-scalar-evolution.h (affine_iv): New structure.
23374 (simple_iv): Declaration changed.
23375 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
23376 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
23377 find_givs_in_stmt): Changed due to simple_iv change.
23379 2006-01-06 Jeff Law <law@redhat.com>
23382 * tree-cfg.c (bsi_replace): Rename final argument from
23383 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
23384 change (stmt -> orig_stmt).
23385 * tree-eh.c (verify_eh_throw_stmt_node): New function.
23386 (bsi_remove): Add new argument. Remove EH information
23388 (verify_eh_throw_table_statements): New function.
23389 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
23391 * tree-optimize.c (execute_free_cfg_annotations): Verify
23392 the EH throw statement table after removing annotations.
23393 * except.h (verify_eh_throw_table_statements): Prototype.
23394 * tree-flow.h (bsi_remove): Update prototype.
23395 * tree-vrp.c (remove_range_assertions): Add new argument to
23397 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
23398 * tree-complex.c (expand_complex_div_wide): Likewise.
23399 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
23400 * tree-tailcall.c (eliminate_tailcall): Likewise.
23401 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
23402 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
23403 * tree-nrv.c (tree_nrv): Likewise.
23404 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
23405 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
23406 (combine_blocks): Likewise.
23407 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
23408 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
23409 (cleanup_control_flow): Likewise.
23410 (remove_forwarder_block): Likewise.
23411 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
23412 * tree-sra.c (sra_replace): Likewise.
23413 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
23414 (forward_propagate_single_use_vars): Likewise.
23415 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
23416 * tree-inline.c (expand_call_inline): Likewise.
23417 * tree-vect-transform.c (vect_transform_loop): Likewise.
23418 * tree-outof-ssa.c (rewrite_trees): Likewise.
23419 * tree-cfg.c (make_goto_expr_edges): Likewise.
23420 (cleanup_dead_labels): Likewise.
23421 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
23422 (bsi_move_before, bsi_move_after): Likewise.
23423 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
23424 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
23426 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
23429 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
23431 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
23432 on non gimple variables. Also add checks at the top for decls and
23434 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
23436 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
23437 and IMAGPART_EXPR for creating MUST_DEFs.
23438 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
23439 and NAME_MEMORY_TAG separately from the DECLs.
23441 2006-01-06 Richard Guenther <rguenther@suse.de>
23443 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
23444 annotation, if necessary.
23445 * tree-ssa-pre.c (create_expression_by_pieces): Remove
23446 redundant calls to update_stmt.
23447 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
23450 2006-01-05 Richard Henderson <rth@redhat.com>
23452 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
23454 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
23456 * c-typeck.c: Update copyright date.
23458 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
23460 * c-typeck.c (build_c_cast): Always warn when casting
23461 from a pointer to an integer of different size, even if
23462 the node was constant.
23464 2006-01-05 Richard Guenther <rguenther@suse.de>
23466 PR tree-optimization/22555
23467 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
23468 if one structure field is an array.
23469 * tree-ssa-operands.c (get_expr_operands): Continue scanning
23470 operands even if we found a subvar, but ignore VOPs in this
23472 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
23474 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
23476 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
23478 PR middle-end/24998
23479 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
23481 2006-01-05 Richard Guenther <rguenther@suse.de>
23482 Diego Novillo <dnovillo@redhat.com>
23484 * tree-pass.h (TODO_remove_unused_locals): Define.
23485 * gimple-low.c (expand_var_p, remove_useless_vars,
23486 pass_remove_useless_vars): Remove. Update all users.
23487 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
23488 (remove_unused_locals): New function.
23489 * tree-flow.h (remove_unused_locals): Declare.
23490 * passes.c (execute_todo): Call remove_unused_locals if
23491 TODO_remove_unused_locals is set.
23492 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
23493 * tree-ssa-dce.c (pass_dce): Likewise.
23494 * tree-outof-ssa.c (pass_del_ssa): Likewise.
23496 2006-01-05 Richard Guenther <rguenther@suse.de>
23498 * tree-flow.h (struct fieldoff): Decompose field to
23499 type, size and decl.
23500 * tree-ssa-alias.c (create_sft): Take type as parameter.
23501 (create_overlap_variables_for): Store type, size and decl
23502 in the fieldoff structure.
23503 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
23504 of struct fieldoff.
23505 (push_fields_onto_fieldstack): Likewise.
23506 (create_variable_info_for): Likewise. Use offset for the
23507 SFT name if the decl is not available.
23509 2006-01-04 Paul Brook <paul@codesourcery.com>
23511 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
23513 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
23515 * lambda-code.c (can_put_in_inner_loop): Relax
23517 (can_put_after_inner_loop): New function.
23518 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
23519 (perfect_nestify): Change to make copies and modify uses.
23521 2006-01-04 Richard Henderson <rth@redhat.com>
23523 Merge from gomp branch:
23524 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
23525 via integer constant.
23526 (pragma_lex): Remove.
23527 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
23528 rather than parsing it.
23529 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
23530 handle_pragma_extern_prefix): Add %< %> quotes.
23531 (registered_pragmas): New.
23532 (c_register_pragma_1): New.
23533 (c_register_pragma): Use it.
23534 (c_register_pragma_with_expansion): Likewise.
23535 (c_invoke_pragma_handler): New.
23536 (init_pragma): Use cpp_register_deferred_pragma directly for
23538 * c-pragma.h (enum pragma_kind): New.
23539 (pragma_handler): New.
23540 (c_invoke_pragma_handler): Declare.
23541 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
23543 * c-common.h (c_common_pch_pragma): Update decl.
23544 * Makefile.in (c-parser.o): Update dependencies.
23545 (GTFILES): Add c-pragma.h.
23546 * c-parser.c (struct c_token): Add pragma_kind.
23547 (struct c_parser): Add in_pragma.
23548 (c_lex_one_token): Always initialize keyword and pragma_kind.
23549 Extract data for CPP_PRAGMA.
23550 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
23551 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
23552 Don't allow CPP_PRAGMA_EOL if in_pragma.
23553 (c_parser_consume_pragma): New.
23554 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
23555 (c_parser_skip_to_end_of_parameter): Likewise.
23556 (c_parser_skip_to_end_of_block_or_statement): Likewise.
23557 (c_parser_skip_to_pragma_eol): New.
23558 (c_parser_external_declaration): Handle CPP_PRAGMA.
23559 (c_parser_compound_statement_nostart): Likewise.
23560 (c_parser_statement_after_labels): Likewise.
23561 (c_parser_pragma): New.
23562 (pragma_lex): Likewise.
23563 (c_parser_pragma_pch_preprocess): New.
23564 (c_parser_new): Merge into ...
23565 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
23567 2006-01-04 Jeff Law <law@redhat.com>
23570 * tree-cfg.c (bsi_replace): Remove the original statement
23571 from the EH throw statement table.
23573 2006-01-04 Jakub Jelinek <jakub@redhat.com>
23575 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
23576 make the prototype extern "C" and add throw ().
23579 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
23580 and pos non-negative and pos + len <= 32.
23581 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
23582 drop pos + len < HOST_BITS_PER_WIDE_INT test.
23583 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
23586 * c-common.c (handle_vector_size_attribute): Reject zero vector size
23587 as well as sizes not multiple of component size.
23590 * function.c (instantiate_expr): New function.
23591 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
23592 walk its DECL_VALUE_EXPR with instantiate_expr.
23594 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
23595 DW_OP_deref{,_size} if address isn't going to be added.
23597 2006-01-04 Ben Elliston <bje@au.ibm.com>
23599 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
23600 * config/fp-bit.c: Likewise.
23602 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
23604 * dominance.c: Add comment about why we use DFS numbering
23607 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23608 Richard Henderson <rth@redhat.com>
23610 Merge from gomp-branch:
23611 * varasm.c (assemble_variable): Handle thread-local COMMON data.
23612 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
23614 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
23616 PR rtl-optimization/25578
23617 * combine.c (combine_simplify_rtx, force_to_mode): Don't
23618 pass a parameter to simplify_shift_const if changing ASHIFTRT
23621 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
23623 * builtins.c (get_builtin_sync_mem): New function.
23624 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
23625 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
23626 Call get_builtin_sync_mem to generate mem rtx.
23628 2006-01-03 Richard Guenther <rguenther@suse.de>
23631 * stmt.c (add_case_node): Make sure to clear overflow flags
23634 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23636 Merge from gomp-branch.
23637 * config/sparc/sync.md: New file.
23638 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
23639 UNSPECV_LDSTUB): New constants.
23640 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
23641 * config/sparc/predicates.md (memory_reg_operand): New predicate.
23642 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
23645 2006-01-03 Roger Sayle <roger@eyesopen.com>
23647 * combine.c (reg_subword_p): New predicate to test whether the
23648 destination of a set refers to a subword/piece of a register.
23649 (try_combine): Generalize the code to merge the setting of a
23650 pseudo to a constant followed by a set of a subword of that
23651 register to a constant.
23653 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
23655 * basic-block.h (control_flow_graph): Change the type of
23656 x_label_to_block_map to VEC(basic_block,gc) *.
23657 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
23658 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
23660 * tree-ssa-propagate.c (cfg_blocks): Change the type to
23661 VEC(basic_block,heap) *.
23662 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
23663 ssa_prop_fini): Adjust the uses of cfg_blocks.
23665 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
23667 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
23669 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
23670 hashing trees instead of a pointer hash.
23671 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
23672 compare for MEM_EXPR.
23674 PR rtl-optimization/25130
23675 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
23676 when comparing MEMs for GCSE
23678 2006-01-03 Ben Elliston <bje@au.ibm.com>
23680 * targhooks.h (default_decimal_float_supported_p): Declare.
23681 * targhooks.c (default_decimal_float_supported_p): Define.
23682 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
23683 `default_decimal_float_supported_p'.
23684 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
23686 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
23688 * combine.c (apply_distributive_law <SUBREG>): Check
23689 TRULY_NOOP_TRUNCATION.
23691 2006-01-02 Geoffrey Keating <geoffk@apple.com>
23693 * dwarf2out.c (have_switched_text_section): Delete.
23694 (have_multiple_function_sections): New.
23695 (have_location_lists): Make 'bool'.
23696 (add_AT_loc_list): Use 'true' not '1'.
23697 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
23698 (output_loc_list): Use have_multiple_function_sections.
23699 (output_ranges): Likewise.
23700 (dwarf2out_begin_function): Set have_multiple_function_sections if
23702 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
23703 Check function_section rather than DECL_SECTION_NAME.
23704 (dwarf2out_finish): Use have_multiple_function_sections.
23705 Don't clear have_location_lists.
23707 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
23708 Jan Hubicka <jh@suse.cz>
23710 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
23711 case of conditional jump jumping to the next instruction.
23712 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
23713 cases of conditional jump jumping to the next instruction.
23715 2006-01-02 Jan Hubicka <jh@suse.cz>
23717 * i386.c (*_cost): Add COSTS_N_INSNS.
23718 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
23720 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
23723 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23725 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
23727 * config/arm/arm.c (all_fpus): Fix comment typo.
23728 * config/darwin.c: Likewise.
23729 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23730 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23731 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23733 2006-01-01 David Edelsohn <edelsohn@gnu.org>
23735 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23736 (rs6000_split_compare_and_swapqhi): New.
23737 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23738 (sync_compare_and_swapqhi_internal): New.
23739 * config/rs6000/rs6000-protos.h: Declare.