1 2006-12-23 Kazu Hirata <kazu@codesourcery.com>
3 * rtl.h (NOTE_EXPECTED_VALUE): Remove.
5 2006-12-23 Jan Hubicka <jh@suse.cz>
7 * toplev.c (dump_memory_report): Break out from...
9 * toplev.h (dump_memory_report): Declare.
10 (cmp_statistic): Rename to ...
11 (final_cmp_statistic): ... this one
13 (dump_ggc_loc_staitsitcs): New FINAL parpameter.
14 * common.opt (-fpre-ipa-mem-report, -fpost-ipa-mem-report): Declare.
15 * varray.c (dump_varray_staitiscs): Do not segfault when no varray was
17 * cgraphunit.c (cgraph_optimize): Dump the memory reports.
19 2006-12-22 Mike Stump <mrs@apple.com>
21 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): Add
22 -mmacosx-version-min=10.4.
23 (crt2.o): Add $(DARWIN_EXTRA_CRT_BUILD_CFLAGS).
25 2006-12-23 Jan Hubicka <jh@suse.cz>
27 * tree-flow-inline.h (var_ann): External variable annotations are
29 (tree_common_ann): Handle correctly unshared variables annotations.
30 * tree-dfa.c (create_var_ann): External variable annotations are
33 2006-12-22 Kazu Hirata <kazu@codesourcery.com>
35 * basic-block.h: Remove the prototype for
36 commit_edge_insertions_watch_calls.
37 * cfgrtl.c (commit_edge_insertion): Drop the last argument.
39 (commit_edge_insertions_watch_calls): Remove.
40 (commit_edge_insertions): Adjust the call to
41 commit_one_edge_insertion.
43 2006-12-22 Zdenek Dvorak <dvorakz@suse.cz>
45 * tree-ssa-loop-niter.c (zero_p, nonzero_p): Removed.
46 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
47 assert_no_overflow_lt, assert_loop_rolls_lt,
48 number_of_iterations_lt, number_of_iterations_le,
49 number_of_iterations_cond, tree_simplify_using_condition_1,
50 number_of_iterations_exit, find_loop_niter, loop_niter_by_eval,
51 implies_nonnegative_p, implies_ge_p, record_nonwrapping_iv,
52 idx_infer_loop_bounds, n_of_executions_at_most, scev_probably_wraps_p):
53 Do not use zero_p/nonzero_p.
54 * tree-ssa-loop-manip.c (determine_exit_conditions): Ditto.
55 * tree-ssa-loop-ivopts.c (niter_for_exit, determine_biv_step,
56 find_interesting_uses_op, find_interesting_uses_cond,
57 find_interesting_uses_address, find_interesting_uses_stmt,
58 strip_offset_1, add_candidate_1, add_old_ivs_candidates,
59 difference_cost, determine_use_iv_cost_condition,
60 rewrite_use_compare, remove_unused_ivs): Ditto.
61 * tree-ssa-address.c (tree_mem_ref_addr, create_mem_ref_raw): Ditto.
62 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
63 * tree-cfg.c (find_taken_edge_cond_expr): Ditto.
64 * tree.h (zero_p): Declaration removed.
65 (null_or_integer_zerop, nonnull_and_integer_nonzerop): New.
67 2006-12-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
70 * c.opt (Wclobbered): New.
71 * doc/invoke.texi (Wclobbered): Document it.
72 (Wextra): Enabled by -Wextra.
73 * c-opts.c (c_common_post_options): Enabled by -Wextra.
74 * flow.c (rest_of_handle_life): Replace Wextra with Wclobbered.
75 * function.c (setjmp_vars_warning): Only warn for Wclobbered.
76 (setjmp_args_warning): Likewise.
78 2006-12-22 Kazu Hirata <kazu@codesourcery.com>
80 * config/elfos.h, config/spu/spu.c, tree-ssa-operands.h,
81 tree-ssa-ter.c: Fix comment typos.
83 2006-12-22 Paolo Bonzini <bonzini@gnu.org>
85 PR rtl-optimization/29840
87 * fwprop.c (forward_propagate_into): Reject artificial uses/defs.
88 (fwprop_init): Add DF_HARD_REGS to df_init call.
90 2006-12-21 Andrew Pinski <pinskia@gmail.com>
92 * tree-nested.c (create_tmp_var_for): Check for vector type
93 when setting DECL_GIMPLE_REG_P.
95 2006-12-21 Roger Sayle <roger@eyesopen.com>
97 * tree-pretty-print.c (dump_generic_node): Avoid outputing "(void) 0;"
98 as the else branch of a COND_EXPR.
100 2006-12-22 Kazu Hirata <kazu@codesourcery.com>
102 * cgraphunit.c, config/i386/i386.c, config/ia64/ia64.c, cse.c,
103 output.h, toplev.c, tree-affine.h, tree-flow.h,
104 tree-ssa-alias.c, tree-ssa-coalesce.c, tree-ssa-live.c,
105 tree-ssa-live.h, tree-ssa-operands.c, tree-ssa-ter.c,
106 tree-vrp.c, varpool.c: Fix comment typos.
108 * cgraphunit.c, varpool.c: Fix comment typos.
110 2006-12-22 Ulrich Weigand <uweigand@de.ibm.com>
112 * config/spu/spu.h (ARG_POINTER_CFA_OFFSET): Define.
113 * config/spu/spu.c (spu_expand_prologue): Set RTX_FRAME_RELATED_P
114 for insn setting up the frame pointer. Do not set it for insns
115 setting up scratch registers or storing the backchain.
117 2006-12-21 Eric Botcazou <ebotcazou@adacore.com>
120 * configure.ac (HAVE_LD_EH_GC_SECTIONS): Check that exception tables
121 are kept for .gnu.linkonce.t sections if COMDAT groups are disabled.
122 * configure: Regenerate.
124 2006-12-21 Joseph Myers <joseph@codesourcery.com>
126 * rtlanal.c (subreg_get_info): Do not make register size
127 computations for mode sizes not divisible by the number of
130 2006-12-21 Daniel Berlin <dberlin@dberlin.org>
132 * tree-ssa-structalias.c (build_constraint_graph): Insert complex
133 offsetted constraints into rhsvar, not lhsvar.
135 2006-12-21 Jakub Jelinek <jakub@redhat.com>
139 * tree-nested.c (walk_asm_expr): New function.
140 (walk_stmts): Use it for ASM_EXPR.
143 * config/ia64/ia64.c (ia64_add_bundle_selector_before): New function.
146 2006-12-21 Nathan Sidwell <nathan@codesourcery.com>
150 * reload1.c (reload): Realign stack after it changes size.
152 2006-12-20 Roger Sayle <roger@eyesopen.com>
154 * simplify-rtx.c (simplify_subreg): Use the correct mode when
155 determining whether a SUBREG of a CONCAT refers to the first or
158 2006-12-21 Ben Elliston <bje@au.ibm.com>
160 * config/spu/spu.c (spu_builtin_mul_widen_even): Remove unused
163 2006-12-20 Jan Hubicka <jh@suse.cz>
165 * tree-dfa.c (add_referenced_var): Walk initializers of
166 non-constant/readonly static vars.
168 2006-12-20 Jan Hubicka <jh@suse.cz>
170 * tree-flow-inline.h (gimple_var_anns): New function.
171 (var_ann): Use hashtable for static functions.
172 * tree-dfa.c (create_var_ann): Likewise.
173 * tree-ssa.c (var_ann_eq, var_ann_hash): New functions.
174 (init_tree_ssa): Initialize var anns.
175 (delete_tree_ssa): Delete var anns; also clear out gimple_df.
176 * tree-flow.h (struct static_var_ann_d): New structure.
177 (gimple_df): Add var_anns.
179 2006-12-20 Carlos O'Donell <carlos@codesourcery.com>
182 * gcc/c-incpath.c (add_standard_paths): Only relocate paths that
183 begin with the configured prefix.
185 2006-12-20 Jan Hubicka <jh@suse.cz>
188 * i386.c (expand_setmem_epilogue): Fix formating.
189 (dsmalest_pow2_greater_than): New function.
190 (ix86_expand_movmem): Improve comments; avoid re-computing of
192 (promote_duplicated_reg_to_size): Break out from ...
193 (expand_setmem): ... this one; reorganize promotion code;
194 improve comments; avoid recomputation of epilogue size.
196 2006-12-20 Andrew Pinski <pinskia@gmail.com>
199 * omp-low.c (init_tmp_var): New function.
200 (save_tmp_var): New function.
201 (lower_omp_1): Use them for VAR_DECL.
203 2006-12-20 Andrew Pinski <pinskia@gmail.com>
205 * tree-gimple.c (is_gimple_min_invariant): Treat constant vector
206 CONSTRUCTORs as min invariants.
208 2006-12-20 Joseph Myers <joseph@codesourcery.com>
210 * rtlanal.c (struct subreg_info, subreg_get_info, subreg_nregs):
212 (subreg_regno_offset, subreg_offset_representable_p): Change to
213 wrappers about subreg_get_info.
214 (refers_to_regno_p, reg_overlap_mentioned_p): Use subreg_nregs.
215 * rtl.h (subreg_nregs): Declare.
216 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING): Update to refer to
218 * caller-save.c (mark_set_regs, add_stored_regs): Use
220 * df-scan.c (df_ref_record): Use subreg_nregs.
221 * flow.c (mark_set_1): Use subreg_nregs.
222 * postreload.c (move2add_note_store): Use subreg_nregs.
223 * reload.c (decompose, refers_to_regno_for_reload_p,
224 reg_overlap_mentioned_for_reload_p): Use subreg_nregs.
225 * resource.c (update_live_status, mark_referenced_resources,
226 mark_set_resources): Use subreg_nregs.
228 2006-12-20 Zdenek Dvorak <dvorakz@suse.cz>
230 * loop-unswitch.c (unswitch_loop): Update arguments of
231 duplicate_loop_to_header_edge call.
232 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Ditto.
233 * loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
234 unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
236 * cfgloopmanip.c (loop_version): Ditto.
237 (duplicate_loop_to_header_edge): Change
238 type of to_remove to VEC(edge), remove n_to_remove argument.
239 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge):
240 Change type of to_remove to VEC(edge), remove n_to_remove argument.
241 (tree_unroll_loop): Update arguments of
242 tree_duplicate_loop_to_header_edge call.
243 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge):
244 Change type of to_remove to VEC(edge), remove n_to_remove argument.
245 * cfghooks.h (struct cfg_hooks): Type of
246 cfg_hook_duplicate_loop_to_header_edge changed.
247 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
248 * cfgloop.h (duplicate_loop_to_header_edge): Ditto.
249 * tree-flow.h (tree_duplicate_loop_to_header_edge): Ditto.
251 2006-12-20 Dorit Nuzman <dorit@il.ibm.com>
253 * config/spu/spu.md (vec_widen_umult_hi_v8hi): New.
254 (vec_widen_umult_lo_v8hi, vec_widen_smult_hi_v8hi): New.
255 (vec_widen_smult_lo_v8hi): New.
256 * config/spu/spu.c (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
257 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
258 (spu_builtin_mul_widen_even, spu_builtin_mul_widen_odd): New.
260 2006-12-20 Jan Hubicka <jh@suse.cz>
262 * cgraph.c: Update overall comment; fix vertical spacing.
263 * ipa-inline.c (cgraph_decide_inlining): Remove now redundant check.
265 2006-12-20 Jan Hubicka <jh@suse.cz>
267 * cgraph.h (FOR_EACH_STATIC_VARIABLE, FOR_EACH_STATIC_INITIALIZER): New
269 (varpool_first_static_initializer, varpol_next_static_initializer): New
271 * ipa-reference.c (analyze_variable): Simplify.
272 (static_execute): Use FOR_EACH_STATIC_INITIALIZER.
273 * ipa-type-escape.c (type_escape_execute): Use FOR_EACH_STATIC_VARIABLE.
275 2006-12-19 Andrew Pinski <pinskia@gmail.com>
278 * tree-vrp.c (nonnull_arg_p): Treat the static decl as always
281 2006-12-20 Ben Elliston <bje@au.ibm.com>
283 * doc/invoke.texi (Optimize Options): Typo fix.
285 2006-12-19 Eric Christopher <echristo@apple.com>
287 * config/darwin.c (machopic_select_section): Rewrite.
288 (darwin_text_section): New.
289 (darwin_rodata_section): Ditto.
290 (darwin_mergeable_string_section): Ditto.
291 (darwin_mergeable_constant_section): Ditto.
292 * config/darwin-sections.def: Add SECTION_STRINGS for cstring_section.
294 2006-12-19 Steve Ellcey <sje@cup.hp.com>
296 * config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL): Add undef.
298 2006-12-19 Paolo Bonzini <bonzini@gnu.org>
301 * gcc/Makefile.in (STAGE1_CHECKING): Rename to...
302 (STAGE1_CHECKING_CFLAGS): ... this.
304 2006-12-18 Andrew Pinski <pinskia@gmail.com>
307 * config/rs6000/rs6000.c (altivec_init_builtins): Change to set
308 READONLY on __builtin_altivec_mask_for_load instead of adding
311 2006-12-18 Roger Sayle <roger@eyesopen.com>
312 Eric Christopher <echristo@apple.com>
315 * real.c (real_maxval): Correctly handle IBM extended double format.
317 2006-12-19 Jan Hubicka <jh@suse.cz>
319 * expmed.c (expand_mult_const): Force operand to constant.
320 * rs6000.c (rs6000_emit_set_const, rs6000_emit_set_long_const): Add
321 copy_rtx to arguments.
323 2006-12-19 Ben Elliston <bje@au.ibm.com>
325 * config/spu/spu.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
327 2006-12-19 Ben Elliston <bje@au.ibm.com>
329 * cse.c (cse_insn): Fix formatting.
331 2006-12-18 Geoffrey Keating <geoffk@apple.com>
333 * doc/invoke.texi (Debugging Options): Document -g0.
334 * config/darwin.h (LINK_COMMAND_SPEC): Replace -gnone with -g0.
335 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
337 2006-12-18 Ian Lance Taylor <iant@google.com>
339 * c.opt (Wmissing-declarations): Add C++ and ObjC++.
340 * doc/invoke.texi (Warning Options): -Wmissing-declarations now
343 2006-12-18 Andrew MacLeod <amacleod@redhat.com>
345 * tree-ssa-operands.h (struct vdef_optype_d): Rename to voptype_d.
346 (struct vuse_optype_d): Delete.
347 (SSA_OPERAND_MEMORY_SIZE): Delete.
348 (struct ssa_operand_memory_d): Change mem array to size one.
349 (NUM_VOP_FREE_BUCKETS): Define.
350 (free_vuses, free_vdefs): Replace with vop_free_buckets array.
351 (vdef_ops, vuse_ops, struct ssa_operand_iterator_d): Use voptype_d type.
352 * tree-pretty-print.c (dump_vops): Use voptype_d type.
353 * tree-ssa-operands.c (vop_free_bucket_size): New. Number of operands
354 which fit into a chunk of memory from a specific bucket.
355 (vop_free_bucket_index): New. Find correct size memory bucket.
356 (init_vop_buckets): New. Initialize VOP free memory buckets.
357 (add_vop_to_freelist): New. Add a VOP to the correct free list.
358 (ssa_operand_mem_size): New. Current size of an operand memory chunk.
359 (init_ssa_operands): Initialize operand memory and free lists.
360 (fini_ssa_operands): Remove references to free_vuses and free_vdefs.
361 (ssa_operand_alloc): Use graduated size memory allocation.
362 (APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
363 INITIALIZE_USE): Remove.
364 (alloc_vop): New. Allocate a virtual operand.
365 (alloc_vdef, alloc_vuse): Delete.
366 (add_def_op, add_use_op): Directly setup pointers.
367 (add_vop): New. Add a virtual operand.
368 (add_vuse_op, add_vdef_op): Call add_vop.
369 (realloc_vop): New. Reallocate a virtual operand.
370 (realloc_vdef, realloc_vuse): Call realloc_vop.
371 (finalize_ssa_def_ops): Delete. Move content to finalize_ssa_defs.
372 (finalize_ssa_defs): Optimize for common case, remove code based on
373 sorted pointers which was a waste of time.
374 (finalize_ssa_use_ops): Delete. Move content to finalize_ssa_uses.
375 (finalize_ssa_uses): Update last pointer.
376 (finalize_ssa_vdef_ops): Delete. Move content to finalize_ssa_vdefs.
377 (finalize_ssa_vdefs, finalize_ssa_vuse_ops): Use voptype_d and
378 directly manipulate pointers.
379 (copy_virtual_operands): Use voptype_d, and no need to update pointers.
381 2006-12-18 Nathan Sidwell <nathan@codesourcery.com>
383 * config/rs6000/rs6000.md (*movdf_hardfloat32): Use %X format to
384 determine if memory operand is an indexed address or not.
386 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
388 * cselib.c (struct cselib_val_struct): Make val_rtx its
389 own field, remove the union that contained it.
390 * cselib.c: Update accordingly where necessary.
392 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
394 * cse.c (have_eh_succ_edges): New function.
395 (cse_insn): Don't remove dead EH edges here
396 (cse_extended_basic_block): Do it here.
397 (rest_of_handle_cse, rest_of_handle_cse2): Don't assert
398 that we have removed all dead edges.
400 2006-12-17 Matthias Klose <doko@debian.org>
403 * gcc/config/mips/linux.h (SUBTARGET_CPP_SPEC): Extend.
405 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
407 * cse.c (cse_find_path): Don't wrap a gcc_assert in ENABLE_CHECKING.
408 (cse_extended_basic_block): When truncating a path while processing
409 it, make sure to clear the visited bit on the basic blocks in the
410 truncated part of the path.
411 (cse_main): Use reverse completion order, not DFS order, to walk
413 (gate_handle_cse): Revert erroneous commit of a counter.
415 2006-12-17 Steven Bosscher <steven@gcc.gnu.org>
417 * cse.c (this_insn_cc0, this_insn_cc0_mode): New global
418 variables, moved out from cse_insn.
419 (prev_insn): Remove this global variable).
420 (new_basic_block): Don't set it.
421 (cse_insn): Idem. Also, move code to delete unused CC0-setter
422 insns and code to set prev_insn_cc0 and prev_insn_cc0_mode
424 (cse_extended_basic_block): ...to here. Do not clear
425 prev_insn_cc0 until after recording equivalences from jumps.
427 2006-12-16 Jan Hubicka <jh@suse.cz>
429 * cgraphunit.c (ipa_passes): Clear current_function_decl.
431 2006-12-16 Andreas Tobler <a.tobler@schweiz.org>
433 * passes.c (verify_curr_properties): Define only for ENABLE_CHECKING.
435 2006-12-16 Jan Hubicka <jh@suse.cz>
437 * omp-low.c (expand_omp_parallel): Set function properties.
438 * function.h (struct function): Add curr_properties and last_verified.
439 * passes.c (register_dump_files): Do not set TODO_set_props for the
441 (init_optimization_passes): Set it here; reorder initialization so the
442 dump files appear in more logical order.
443 (last_verified, curr_properties): Kill.
444 (do_per_function): New function.
445 (execute_function_todo): Break out from ...
446 (execute_todo): ... here; handle per-function flags.
447 (clear_last_verified, verify_curr_properties,
448 update_properties_after_pass): New functions.
449 (execute_one_pass): Handle per-function properties.
450 (execute_ipa_pass_list): Use do_per_function; sanity check that cfun
451 and current_function_decls are cleared out.
452 * ipa-cp.c (constant_val_insert): Clear cfun/current_function_decl
455 2006-12-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
458 * c.opt (Wempty-body): New.
459 * doc/invoke.texi (Wempty-body): Document it.
460 (Wextra): Enabled by -Wextra.
461 * c-opts.c (c_common_post_options): Enabled by -Wextra.
462 * c-common.c (empty_body_warning): Replace Wextra with Wempty-body.
463 * c-parser.c (c_parser_c99_block_statement): Likewise.
465 2006-12-15 Jakub Jelinek <jakub@redhat.com>
468 * config/rs6000/rs6000.md (div<mode>3): Use correct mode in
471 2006-12-15 Andrew Pinski <pinski@gmail.com>
474 * tree-inline.c (setup_one_parameter): Gimplify the statement if
475 the variable is not a gimple register variable.
477 2006-12-15 Uros Bizjak <ubizjak@gmail.com>
479 * invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
481 2006-12-14 Jan Hubicka <jh@suse.cz>
483 * tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
486 2006-12-14 Richard Guenther <rguenther@suse.de>
488 PR tree-optimization/30197
489 * builtins.c (fold_builtin_cexp): New function to fold cexp
490 to cexpi and exp parts.
491 * tree-ssa-pre.c (try_combine_conversion): Also handle
492 REALPART_EXPR and IMAGPART_EXPR.
494 2006-12-14 Richard Guenther <rguenther@suse.de>
497 * fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
498 + __complex__ ( 0, y ) to __complex__ ( x, y ).
499 Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
501 2006-12-14 Richard Guenther <rguenther@suse.de>
503 PR tree-optimization/30198
504 * fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
505 Fold IMAGPART_EXPR of cexpi to sin.
507 2006-12-14 Dorit Nuzman <dorit@il.ibm.com>
508 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
510 * spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
511 (spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
513 (spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
514 (spu_builtin_mask_for_load): New.
515 * spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
516 * spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
517 (vec_realign_load_<mode>, spu_lvsr): New.
519 2006-12-13 Ian Lance Taylor <iant@google.com>
523 * c-typeck.c (parser_build_binary_op): Move parentheses warnings
524 to warn_about_parentheses in c-common.c.
525 * c-common.c (warn_about_parentheses): New function.
526 * c-common.h (warn_about_parentheses): Declare.
527 * doc/invoke.texi (Warning Options): Update -Wparentheses
530 2006-12-13 Zdenek Dvorak <dvorakz@suse.cz>
532 * tree-ssa-loop-ivopts.c: Include tree-affine.h.
534 (constant_multiple_of): Fix order of operators for division.
535 (aff_combination_const, aff_combination_elt, aff_combination_scale,
536 aff_combination_add_elt, aff_combination_add, aff_combination_convert,
537 tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
538 aff_combination_to_tree): Moved to tree-affine.c and made to work with
539 double_int coefficients.
540 (get_computation_aff, get_computation_at): Work with double_int
542 (get_computation_cost_at): Do not use divide.
543 (rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
544 Assert that expressing the computation did not fail.
545 * tree-ssa-address.c: Include tree-affine.h.
546 (add_to_parts, most_expensive_mult_to_index, addr_to_parts,
547 create_mem_ref): Work with double_int coefficients.
548 * tree-affine.c: New file.
549 * tree-affine.h: New file.
550 * tree-flow.h (struct affine_tree_combination): Removed.
551 * Makefile.in (tree-affine.o): Add.
552 (tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
555 2006-12-13 Peter Bergner <bergner@vnet.ibm.com>
559 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
560 the offset == 0 "then" clauses.
561 * config/rs6000/predicates.md (gpc_reg_operand): Check for
564 2006-12-13 Uros Bizjak <ubizjak@gmail.com>
566 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
567 (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
568 (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
569 (FRAME_POINTER_REGNUM): Update register number to 20.
570 (REG_CLASS_CONTENTS): Update contents due to removed dir register.
571 (HI_REGISTER_NAMES): Remove "dirflag".
573 * config/i386/i386.c (regclass_map): Remove dirflag entry.
574 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
576 (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
578 * config/i386/i386.md (R10_REG, R11_REG): Renumber.
579 (sse_prologue_save, *sse_prologue_save_insn): Renumber
580 hardcoded SSE register numbers.
582 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
583 hardcoded MMX register numbers.
586 2006-12-13 Mark Shinwell <shinwell@codesourcery.com>
588 * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
589 FLDMX. Rename function to...
590 (vfp_output_fldmd): ...this.
591 (vfp_output_fstmx): Output FSTMD instead of FSTMX. Rename
593 (vfp_output_fstmd): ...this.
594 (vfp_emit_fstmx): Don't leave space in the frame layout for the
595 FSTMX format word. Rename function to...
596 (vfp_emit_fstmd): ...this.
597 (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
599 (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
600 (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
601 word. Also emit "vsave" assembler directives in such cases rather
603 * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
604 gnu_Unwind_Save_VFP): Adjust comments.
605 (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
606 for saving and restoring using FSTMD and FLDMD rather than
608 (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
609 New functions for saving and restoring the VFPv3 registers 16 .. 31.
610 * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
611 compilation case to correctly handle unwind opcode 0xc8 when using
613 * config/arm/unwind-arm.c (struct vfpv3_regs): New.
614 (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
615 (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
616 __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
618 (restore_non_core_regs): Restore registers using FLDMD rather than
619 FLDMX if required. Also handle restoration of VFPv3 registers.
620 (_Unwind_VRS_Pop): Handle saving and restoring of registers using
621 FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
622 including cases where the caller specifies a range of registers
623 that overlaps the d15/d16 boundary.
625 2006-12-13 Diego Novillo <dnovillo@redhat.com>
628 * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
629 accomodate 511 operands.
631 2006-12-13 Richard Guenther <rguenther@suse.de>
633 * builtins.c (expand_builtin_cexpi): Fix typo.
635 2006-12-13 Jan Hubicka <jh@suse.cz>
637 * Makefile.in: Add dependencies.
638 * tree-pretty-print.c: Include value-prof.h
639 (dump_generic_bb_buff): Dump histograms
640 * value-prof.c: Include pointer-set.h
641 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
642 set_histogram_value, gimple_histogram_value,
643 gimple_add_histogram_value, gimple_remove_histogram_value,
644 gimple_histogram_value_of_type, dump_histogram_value,
645 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
646 gimple_duplicate_stmt_histograms, visit_hist,
647 verify_histograms): New functions.
648 (tree_value_profile_transformations): Update for new histogram API.
649 (tree_divmod_fixed_value): Update for new histogram API.
650 (tree_divmod_fixed_value_transform): Update for new histogram API.
651 (tree_mod_pow2): Update for new histogram API.
652 (tree_mod_pow2_value_transform): Update for new histogram API.
653 (tree_mod_subtract): Update for new histogram API.
654 (tree_mod_subtract_transform): Update for new histogram API.
655 (tree_stringops_transform): Update for new histogram API.
656 (tree_divmod_values_to_profile): Update for new histogram API.
657 (tree_stringops_values_to_profile): Update for new histogram API.
658 (tree_find_values_to_profile): Update for new histogram API.
659 * value-prof.h (gimple_histogram_value): Declare.
660 (gimple_histogram_value_of_type): Declare.
661 (gimple_add_histogram_value): Declare.
662 (gimple_remove_histogram_value): Declare.
663 (dump_histograms_for_stmt): Declare.
664 (gimple_remove_histogram_value): Declare.
665 (gimple_remove_stmt_histograms): Declare.
666 (gimple_duplicate_stmt_histograms): Declare.
667 (verify_histograms): Declare.
669 (struct funrction): Add value_histograms hash.
670 (VALUE_HISTOGRAMS): New macro.
671 * profile.c (compute_value_histograms): update for new API.
672 * tree-inline.c: Include value-prof.h
673 (copy_bb): Update histograms.
674 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
675 reorder to get smaller memory layout.
676 * tree-cfg.c: Include value-prof.h
677 (bsi_remove): Update histograms.
678 (bsi_replace): Update histograms.
679 (verify_stmts): Call histogram verifier.
680 (tree_duplicate_bb): Update histograms.
681 (move_block_to_fn): Update histograms.
683 2006-12-13 Richard Guenther <rguenther@suse.de>
685 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
687 (cgraph_decide_inlining): Likewise.
689 2006-12-13 Richard Guenther <rguenther@suse.de>
691 PR tree-optimization/17687
692 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
693 New builtins for imaginary argument cexp.
694 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
695 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
696 New required builtin types.
697 * builtins.c (expand_builtin_cexpi): Declare.
698 (mathfn_built_in): Handle BUILT_IN_CEXPI.
699 (expand_builtin_cexpi): New static helper.
700 (expand_builtin): Call it.
701 (do_mpfr_sincos): Adjust for CEXPI evaluation.
702 (fold_builtin_sincos): New function to fold sincos to cepxi.
704 2006-12-13 Richard Guenther <rguenther@suse.de>
706 * ipa-reference.c (scan_for_static_refs): Also scan
707 tcc_comparison class trees.
709 2006-12-12 David Daney <ddaney@avtrex.com>
711 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
714 2006-12-12 Andrew Pinski <pinskia@gmail.com>
716 * tree-vect-transform.c (vect_permute_load_chain):
717 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
720 2006-12-13 Sa Liu <saliu@de.ibm.com>
721 Ben Elliston <bje@au.ibm.com>
723 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
724 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
725 * config/spu/spu-protos.h (spu_c_common_override_options):
727 * config/spu/spu-c.c (spu_c_common_override_options): New.
728 * config/spu/spu.c (spu_override_options): Whitespace fix.
730 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
732 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
734 2006-12-12 Geoffrey Keating <geoffk@apple.com>
736 * mips-tdump.c: Replace CROSS_COMPILE with
737 CROSS_DIRECTORY_STRUCTURE.
738 * mips-tfile.c: Likewise.
740 * configure.ac: Likewise.
741 * cppdefault.c: Likewise.
742 * Makefile.in: Likewise.
743 * config/alpha/osf.h: Likewise.
744 * config/i386/cygwin.h: Likewise.
745 * config/i386/beos-elf.h: Likewise.
746 * config/i386/nto.h: Likewise.
747 * config/fr30/fr30.h: Likewise.
748 * config/svr4.h: Likewise.
749 * config/rs6000/aix.h: Likewise.
750 * config/rs6000/sysv4.h: Likewise.
751 * config/pa/pa64-hpux.h: Likewise.
752 * config/pa/pa-hpux10.h: Likewise.
753 * config/pa/pa-hpux11.h: Likewise.
754 * collect2.c: Likewise.
755 * configure: Regenerate.
757 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
758 actually takes an unsigned HOST_WIDE_INT for its second parameter.
760 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
762 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
763 (spu_encode_section_info): New.
764 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
765 (SYMBOL_FLAG_ALIGN1): New.
767 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
770 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
771 bitmap for EXECUTE_IF_SET_IN_BITMAP.
773 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
776 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
777 (DECL_GIMPLE_REG_P): This.
778 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
780 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
781 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
782 and check for VECTOR_TYPE.
783 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
785 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
787 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
788 and check for VECTOR_TYPE.
789 (gimplify_bind_expr): Likewise.
790 (gimplify_function_tree): Likewise.
791 * expmed.c: Include target.h.
792 (extract_bit_field): For vector mode, try find a better mode first.
793 If that fails use gen_lowpart (for vectors only).
794 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
795 and check for VECTOR_TYPE.
796 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
797 (insert_into_preds_of_block): Likewise.
798 (insert_fake_stores): Create gimple register store_tmps for
800 * tree-sra.c (sra_elt): New field, is_vector_lhs.
801 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
802 are the left hand side, set the element's is_vector_lhs to true.
803 (instantiate_element): For vector types which were on the left
804 hand size, set DECL_GIMPLE_REG_P to false.
805 * tree-nested.c (create_tmp_var_for): Use the renamed
807 * tree-inline.c (declare_return_variable): Use the renamed
808 DECL_GIMPLE_REG_P and check for VECTOR_TYPE.
809 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
810 (copy_result_decl_to_var): Likewise.
811 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
812 create a gimple register variable.
813 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
814 vect_inter_* temp variables.
815 * Makefile.in (expmed.o): Update dependencies.
817 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
819 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
820 the offset == 0 "then" clauses.
821 * config/rs6000/predicates.md (gpc_reg_operand): Check for
824 2006-12-12 Marcin Dalecki <martin@dalecki.de>
826 * doc/passes.texi: remove docs about "redundant PHI removal".
827 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
828 remove redundant pass_partition_blocks declaration.
830 2006-12-12 Andrew Macleod <amacleod@redhat.com>
832 PR tree-optimization/30159
833 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
834 functions in case a default_def coalesce is required.
836 2006-12-12 Jakub Jelinek <jakub@redhat.com>
839 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
841 * config/ia64/linux.h (CPP_SPEC): Define.
842 * config/s390/linux.h (CPP_SPEC): Define.
844 2006-12-12 Jim Wilson <wilson@specifix.com>
845 Jakub Jelinek <jakub@redhat.com>
847 PR rtl-optimization/27761
848 * combine.c (try_combine): Don't create a useless garbage SET
849 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
850 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
851 and use it to prevent accidental modification of i1src.
853 2006-12-12 Ira Rosen <irar@il.ibm.com>
855 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
856 for stores with gaps.
857 * tree-vect-transform.c (vect_permute_store_chain): Create
858 interleave_high or interleave_low according to the endianess.
860 2006-12-12 Richard Guenther <rguenther@suse.de>
863 * fold-const.c (fold_read_from_constant_string): Only fold read
864 from constant string if the result type is integer.
866 2006-12-12 Olivier Hainque <hainque@adacore.com>
868 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
870 2006-12-12 Olivier Hainque <hainque@adacore.com>
872 * config/vxlib.c: Extract tls related routines into ...
873 * config/vxlib-tls.c: New file.
874 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
876 2006-12-12 Sa Liu <saliu@de.ibm.com>
877 Ben Elliston <bje@au.ibm.com>
879 * config/spu/spu.opt (mfixed-range): New option.
880 * config/spu/spu.h (spu_fixed_range_string): Declare.
881 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
882 (fix_range): New function.
883 * doc/invoke.texi (SPU Options): Document -mfixed-range.
884 * testsuite/gcc.target/spu/fixed-range.c: New.
885 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
887 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
891 * cgraphunit.c (cgraph_optimize): Remove call to
892 process_pending_assemble_externals.
894 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
896 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
898 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
899 (ia64_hpux_add_extern_decl): Removed.
900 (ia64_hpux_file_end): Likewise.
901 (extern_func_list): Likewise.
902 (extern_func_head): Likewise.
904 * output.h (assemble_external): Update comments.
905 (default_elf_asm_output_external): New.
906 (maybe_assemble_visibility): New.
908 * toplev.c (compile_file): Update comment.
910 * varasm.c (assemble_external): Always put it on
911 pending_assemble_externals.
912 (maybe_assemble_visibility): Make it extern and return int.
913 (default_elf_asm_output_external): New.
915 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
917 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
918 can't handle the pointer arithmetic.
920 2006-12-11 Diego Novillo <dnovillo@redhat.com>
922 * doc/tree-ssa.texi: Update documentation for virtual operands
923 and the use of push_stmt_changes/pop_stmt_changes.
924 * doc/invoke.texi: Remove documentation for params
925 global-var-threshold.
926 Update documentation on max-aliased-vops.
928 * tree-into-ssa.c: Cleanup comments, variables and
929 spacing in various functions.
930 (regs_to_rename): Declare.
931 (mem_syms_to_rename): Declare.
932 (dump_update_ssa): Declare.
933 (debug_update_ssa): Declare.
934 (dump_names_replaced_by): Declare.
935 (debug_names_replaced_by): Declare.
936 (dump_def_blocks): Declare.
937 (debug_def_blocks): Declare.
938 (dump_defs_stack): Declare.
939 (debug_defs_stack): Declare.
940 (dump_currdefs): Declare.
941 (debug_currdefs): Declare.
942 (mark_def_sites): Do not handle virtual operands.
943 (compute_idf): Rename from find_idf. Update users.
944 (register_new_def): Make local. Convert second argument
946 Use BLOCK_DEFS_STACK directly.
947 If pushing a non-register, also push the underlying
949 (rewrite_stmt): Do not handle virtual operands.
950 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
951 dump_currdefs and dump_tree_ssa_stats.
952 (dump_tree_ssa_stats): Also dump REPL_TBL.
953 (replace_use): Remove. Update all users to call SET_USE
955 (rewrite_blocks): Move code to free memory to
957 (mark_def_site_blocks): Move initialization code to
959 (init_ssa_renamer): New.
960 (fini_ssa_renamer): New.
961 (rewrite_into_ssa): Call them.
962 (prepare_block_for_update): Process SSA_OP_ALL_USES first
963 and SSA_OP_ALL_DEFS later. Do not process virtual
965 (dump_update_ssa): Call dump_decl_set.
966 (init_update_ssa): Initialize regs_to_rename and
968 Call init_ssa_renamer.
969 (delete_update_ssa): Call fini_ssa_renamer.
970 Free blocks_with_phis_to_rewrite.
971 (mark_sym_for_renaming): If the variable has
972 sub-variables, also mark them.
973 If the variable belongs to a partition, also mark it.
974 (mark_set_for_renaming): Call mark_sym_for_renaming on
975 every symbol in the set.
976 (switch_virtuals_to_full_rewrite): Call
977 mark_set_for_renaming.
978 (update_ssa): Separate syms_to_rename into regs_to_rename
979 and mem_syms_to_rename.
981 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
982 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
983 (debug_generic_stmt): Likewise.
984 (debug_tree_chain): Likewise.
986 (dump_generic_node): Check for TDF_MEMSYMS.
987 Handle MEMORY_PARTITION_TAG.
988 If the statement references memory and TDF_MEMSYMS is
989 given, call dump_symbols.
990 Indicate default names with (D).
991 (dump_vops): Update for new virtual operator format.
993 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
994 tree_contains_struct.
995 (tree_code_size): Handle MEMORY_PARTITION_TAG.
996 (tree_node_structure): Likewise.
997 (needs_to_live_in_memory): Handle SSA names.
998 * tree.h (MTAG_P): Likewise.
999 (struct tree_memory_partition_tag): Declare.
1000 (MPT_SYMBOLS): Define.
1001 (union tree_node): Add field 'mpt'.
1002 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
1003 * tree.def (MEMORY_PARTITION_TAG): Define.
1005 * tree-pass.h (TDF_MEMSYMS): Define.
1007 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
1009 * tree-ssa-alias.c: Include pointer-set.h
1010 (struct alias_map_d): Remove fields total_alias_vops,
1011 grouped_p and may_aliases. Update all users.
1012 (struct mp_info_def): Declare.
1013 (mp_info_t): New type.
1014 (get_smt_for): Rename from get_tmt_for. Update all
1016 (add_may_alias): Add argument ALREADY_ADDED. If given,
1017 use it to avoid adding duplicate entries to alias sets.
1018 (replace_may_alias): Remove. Update all users.
1019 (total_alias_vops_cmp): Remove. Update all users.
1020 (group_aliases_into): Remove. Update all users.
1021 (tree_pointer_compare): Remove. Update all users.
1022 (compact_name_tags): Remove. Update all users.
1023 (group_aliases): Remove. Update all users.
1024 (mark_non_addressable): Move from tree-flow-inline.h.
1025 Remove the symbol from the partition holding it, if
1027 (dump_mp_info): New.
1028 (debug_mp_info): New.
1029 (sort_mp_info): New.
1030 (create_partition_for): New.
1031 (rewrite_alias_set_for): New.
1032 (compute_memory_partitions): New.
1033 (compute_may_aliases): Call it.
1034 (init_alias_info): If computing aliases for the first
1035 time, mark every memory symbol for renaming.
1036 (have_common_aliases_p): New.
1037 (compute_flow_insensitive_aliasing): Call it.
1038 (setup_pointers_and_addressables): Do not cache
1039 num_referenced_vars.
1040 For register promoted symbols, mark their former
1041 partition for renaming.
1042 (maybe_create_global_var): Only create .GLOBAL_VAR if
1043 there are no call-clobbered variables and a mix of pure
1044 and non-pure functions were found.
1045 (may_alias_p): Tidy comments.
1046 (create_tag_raw): Remove unused variable new_type.
1047 (dump_alias_info): call dump_memory_partitions.
1048 (dump_points_to_info_for): Call dump_decl_set.
1049 (may_be_aliased): Tidy comments and formatting.
1051 * timevar.def (TV_MEMORY_PARTITIONING): Define.
1052 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
1053 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
1055 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
1056 * tree-vect-transform.c (vect_transform_loop): Call
1057 mark_set_for_renaming with vect_memsyms_to_rename.
1058 * tree-flow-inline.h (zero_imm_uses_p): New.
1059 (memory_partition): New.
1060 (set_memory_partition): New.
1061 (factoring_name_p): New.
1062 (symbol_mem_tag): New. Update every function that used
1063 to access the annotation directly.
1064 (set_symbol_mem_tag): Likewise.
1066 * tree-ssa-copy.c (may_propagate_copy): Allow copies
1067 between a partition and a symbol as long as the symbol
1068 belongs to the partition.
1069 (merge_alias_info): Ignore merge requests when memory
1070 partitions are involved.
1072 * tree-ssa.c (verify_ssa_name): Check that default
1073 definitions have empty defining statements.
1074 (verify_use): Remove argument IS_VIRTUAL.
1075 Don't call verify_ssa_name.
1076 (verify_phi_args): Call verify_ssa_name.
1077 (verify_flow_insensitive_alias_info): Handle MPTs.
1078 (verify_flow_sensitive_alias_info): Likewise.
1079 (verify_name_tags): Likewise.
1080 (verify_call_clobbering): Likewise.
1081 (verify_ssa): Check for VOPs only after aliasing
1082 information is available.
1083 Check virtuals and real operands separately.
1084 Call verify_ssa_name on every operand.
1085 (stmt_references_memory_p): Move to tree-ssa-operands.c.
1086 (walk_use_def_chains_1): Guard against NULL PHI
1089 * tree-ssa-operands.c (stmt_references_memory_p): Move from
1092 (dump_memory_partitions): New.
1093 (debug_memory_partitions): New.
1095 * tree-flow.h (struct var_ann_d): Add field mpt.
1096 (struct stmt_ann_d): Add bitfield references_memory.
1097 * Makefile.in (tree-ssa-structalias.o): Include
1099 (tree-ssa-alias.o): Likewise.
1100 * tree-ssa-structalias.c: (update_alias_info): Use
1101 STORED_SYMS to determine which variables are being
1102 written to by the store operation.
1103 * tree-ssa-structalias.h (struct alias_info)
1104 <total_alias_vops>: Remove. Update all users.
1105 <written_vars>: Change to a pointer set. Update all
1107 <dereferenced_ptrs_store>: Likewise.
1108 <dereferenced_ptrs_load>: Likewise.
1109 (NUM_REFERENCES): Remove. Update all users.
1110 (NUM_REFERENCES_CLEAR): Remove. Update all users.
1111 (NUM_REFERENCES_INC): Remove. Update all users.
1112 (NUM_REFERENCES_SET): Remove. Update all users.
1114 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
1116 (PARAM_MAX_ALIASED_VOPS): Set to 10.
1117 * tree-ssanames.c (make_ssa_name): Initialize
1118 SSA_NAME_IS_DEFAULT_DEF to 0.
1120 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
1122 * tree-ssa-dse.c (aggregate_vardecl_d): New.
1123 (dse_global_data): Add aggregate_vardecl field.
1124 (dse_possible_dead_store_p): New.
1125 Add prev_defvar variable.
1126 Allow immediate uses and previous immediate uses to differ
1127 if they are setting different parts of the whole.
1128 (get_aggregate_vardecl): New.
1129 (dse_record_partial_aggregate_store): New.
1130 (dse_whole_aggregate_clobbered_p): New.
1131 (dse_partial_kill_p): New.
1132 (dse_optimize_stmt): Abstract code checking a possible dead store
1133 into new function dse_possible_dead_store_p().
1134 Call dse_maybe_record_aggregate_store().
1135 When checking whether a STMT and its USE_STMT refer to the
1136 same memory address, check also for partial kills that clobber
1138 Move some variable definitions to the block where they are used.
1139 (aggregate_vardecl_hash): New.
1140 (aggregate_vardecl_eq): New.
1141 (aggregate_vardecl_free): New.
1142 (aggregate_whole_store_p): New.
1143 (tree_ssa_dse): Initialize and free aggregate_vardecl.
1144 Mark which aggregate stores we care about.
1146 2006-12-11 Andrew Macleod <amacleod@redhat.com>
1148 * tree-ssa-operands.h (struct vuse_element_d): Declare.
1149 (vuse_element_t): Declare.
1150 (struct vuse_vec_d): Declare.
1151 (vuse_vec_p): Declare.
1152 (VUSE_VECT_NUM_ELEM): Define.
1153 (VUSE_VECT_ELEMENT_NC): Define.
1154 (VUSE_ELEMENT_PTR_NC): Define.
1155 (VUSE_ELEMENT_VAR_NC): Define.
1156 (VUSE_VECT_ELEMENT): Define.
1157 (VUSE_ELEMENT_PTR): Define.
1158 (VUSE_ELEMENT_VAR): Define.
1159 (struct maydef_optype_d) <use_var>: Remove.
1162 (struct vuse_optype_d) <kill_var>: Remove.
1165 (struct mustdef_optype_d) <kill_var>: Remove.
1168 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
1169 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
1171 (VUSE_VECT): Define.
1172 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
1173 (MAYDEF_OP): Add argument. Use VUSE_OP.
1174 (MAYDEF_NUM): Define.
1175 (MAYDEF_VECT): Define.
1176 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
1177 (MUSTDEF_KILL): Use VUSE_OP.
1178 (MUSTDEF_NUM): Define.
1179 (MUSTDEF_VECT): Define.
1180 (realloc_maydef): Declare.
1181 (realloc_vuse): Declare.
1182 (struct ssa_operand_iterator_d) <vuse_index>: Add.
1183 <mayuse_index>: Add.
1184 (LOADED_SYMS): Define.
1185 (STORED_SYMS): Define.
1186 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
1187 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
1189 * tree-pretty-print.c: Likewise.
1190 * tree-ssa-dse.c: Likewise.
1191 * tree-flow-inline.h: Likewise.
1192 (op_iter_next_mustdef): New.
1193 * tree-ssa-operands.c: Likewise.
1194 (ALLOC_OPTYPE): Remove.
1198 (alloc_maydef): New.
1200 (alloc_mustdef): New.
1201 (realloc_maydef): New.
1202 (realloc_vuse): New.
1204 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
1206 * tree-ssa-operands.c: Remove build_v_must_defs.
1207 (init_ssa_operands): Delete build_v_must_defs.
1208 (finalize_ssa_v_must_def_ops): Remove.
1209 (finalize_ssa_v_must_defs): Remove.
1210 (finalize_ssa_stmt_operands): Do not call
1211 finalize_ssa_v_must_defs.
1212 (start_ssa_stmt_operands): Do not check build_v_must_defs.
1213 (append_v_must_def): Delete.
1214 (copy_virtual_operands): Do not copy V_MUST_DEFs.
1215 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
1216 comment. Remove opf_kill_def.
1217 (build_ssa_operands): Remove references to v_must_defs.
1218 (copy_virtual_operands): Same.
1219 (copy_virtual_operands): Same.
1220 (fini_ssa_operands): Same.
1221 (free_ssa_operands): Same.
1222 (add_mustdef_op): Remove.
1223 Remove mustdef_optype_p.
1224 (alloc_mustdef): Remove.
1225 Remove references to V_MUST_DEFs in comment at top of file.
1226 (get_expr_operands): Remove opf_kill_def.
1227 (opf_kill_def): Remove.
1228 (add_virtual_operand): Remove opf_kill_def.
1229 (get_indirect_ref_operands): Same.
1230 (get_tmr_operands): Same.
1232 * tree-vectorizer.c (rename_variables_in_bb): Remove
1235 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
1237 (check_loop_closed_ssa_stmt): Same.
1239 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
1241 (verify_ssa): Remove V_MUST_DEFs traces.
1242 (verify_ssa): Remove SSA_OP_ALL_KILLS.
1244 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
1246 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
1247 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
1249 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
1251 (MUSTDEF_OPS): Remove.
1252 (SSA_OP_VMUSTDEF): Remove.
1253 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
1254 (struct mustdef_optype_d): Remove.
1255 Remove mustdef_optype_p.
1256 (struct stmt_operands_d): Remove mustdef_ops.
1257 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
1258 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
1259 (MUSTDEF_RESULT_PTR): Remove.
1260 (MUSTDEF_RESULT): Remove.
1261 (MUSTDEF_KILL_PTR): Remove.
1262 (MUSTDEF_KILL): Remove.
1263 (MUSTDEF_NUM): Remove.
1264 (MUSTDEF_VECT): Remove.
1265 (SSA_OP_VIRTUAL_KILLS): Remove.
1266 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
1267 (SSA_OP_VMUSTKILL): Remove.
1268 (SSA_OP_ALL_KILLS): Remove.
1269 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
1271 * tree-flow-inline.h (op_iter_init_def): Remove
1272 SSA_OP_VIRTUAL_KILLS.
1273 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
1275 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1276 SSA_OP_VIRTUAL_KILLS.
1278 * tree-ssa-loop-im.c (determine_max_movement): Remove
1279 SSA_OP_VIRTUAL_KILLS.
1280 (gather_mem_refs_stmt): Same.
1281 (gather_mem_refs_stmt): Same.
1283 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
1284 (perform_tree_ssa_dce): Remove call to
1285 mark_really_necessary_kill_operand_phis.
1287 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
1289 (op_iter_next_use): Do not check mustkills.
1290 (op_iter_next_def): Do not check mustdefs.
1291 (op_iter_next_tree): Do not check mustkills or mustdefs.
1292 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
1293 (op_iter_next_maymustdef): Do not check mustkills.
1294 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
1295 (op_iter_init_mustdef): Remove.
1297 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
1300 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
1302 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
1303 (visit_assignment): Same.
1305 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
1307 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
1309 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
1311 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
1312 Remove kill_p variable.
1314 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
1315 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
1316 (collect_dfa_stats_r): Do not set num_v_must_defs.
1317 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
1320 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
1323 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1324 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
1326 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
1329 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
1331 PR rtl-optimization/30113
1332 * loop-iv.c (implies_p): Require the mode of the operands to be
1335 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1337 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
1338 Rename from create_ssa_artficial_load_stmt. Update all users.
1339 * tree-into-ssa.c (register_new_def): Make static.
1340 * tree.c (is_global_var): Handle SSA_NAMEs.
1341 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
1342 that used to call gimple_default_def.
1343 * tree-ssa-operands.c (push_stmt_changes): New.
1344 (pop_stmt_changes): New. Update every pass that modifies
1345 statements to bracket modifications with
1346 push_stmt_changes/pop_stmt_changes.
1347 (discard_stmt_changes): New.
1348 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
1349 'tree *' instead of 'tree'. Update all users.
1350 * tree-flow-inline.h (zero_imm_uses_p): New.
1351 (symbol_mem_tag): New. Update every function that used
1352 to access the annotation directly.
1353 (set_symbol_mem_tag): Likewise.
1354 * tree-dfa.c (dump_variable): Always show the escape mask.
1355 (mark_symbols_for_renaming): Rename from
1356 mark_new_vars_to_rename. Update all users.
1357 Only mark to rename naked symbols in real and virtual
1360 2006-12-11 Andreas Schwab <schwab@suse.de>
1362 * varasm.c (elf_record_gcc_switches): Cast second argument of
1363 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
1365 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1367 * tree-scalar-evolution.c (scev_const_prop):
1368 * tree-phinodes.c (remove_phi_node): Add argument
1369 RELEASE_LHS_P. If given, release the SSA name on the LHS of
1372 * tree-ssa-dce.c: Remove forward declarations for static
1373 functions. Re-arrange functions bodies as needed.
1374 (find_obviously_necessary_stmts): Never mark PHI nodes as
1375 obviously necessary.
1377 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
1379 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
1381 2006-12-11 Jan Hubicka <jh@suse.cz>
1383 * value-prof.c (tree_stringops_transform): New.
1384 (tree_value_profile_transformations): Require count to be non-zero;
1385 call stringop transform; reset stmt BSI after BB changed.
1386 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
1387 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
1388 (tree_stringops_values_to_profile): New.
1389 (tree_values_to_profile): Call tree_stringops_values_to_profile.
1390 * tree.h (build_string_literal): Tidy prototype.
1391 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
1393 * builtins.c (validate_arglist, builtin_memset_read_str,
1394 get_pointer_alignment): Export.
1396 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
1400 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1402 * config/i386/i386.opt: New target option -mx87regparm.
1404 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
1405 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
1406 (X87_REGPARM_MAX): Define.
1408 * config/i386/i386.c (override_options): Error out for
1409 -mx87regparm but no 80387 support.
1410 (ix86_attribute_table): Add x87regparm.
1411 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1412 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1413 (ix86_function_x87regparm): New function.
1414 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1416 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1418 (function_arg_advance): Process x87_nregs and x87_regno when
1419 floating point argument is to be passed in 80387 register.
1420 (function_arg): Pass XFmode arguments in 80387 registers for local
1421 functions. Pass SFmode and DFmode arguments to local functions
1422 in 80387 registers when flag_unsafe_math_optimizations is set.
1424 * reg-stack.c (convert_regs_entry): Disable NaN load for
1425 stack registers that are used for argument passing.
1427 * doc/extend.texi: Document x87regparm function attribute.
1428 * doc/invoke.texi: Document -mx87regparm.
1430 2006-12-11 Jan Hubicka <jh@suse.cz>
1432 Move all varpool routines out of cgraph/cgraphunit to varpool.c
1433 * cgraph.c: Update comments.
1434 (cgraph_varpool_hash,
1435 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
1436 cgraph_varpool_node_name, cgraph_varpool_node,
1437 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
1438 cgraph_variable_initializer_availability): Move to
1439 varpool.c and drop cgraph_ prefixes.
1440 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
1441 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
1442 move to varpool.c; drop cgraph_ prefix; make static.
1443 (dump_cgraph_varpool_node): Move to varpool.c under name
1445 (dump_varpool, hash_varpool_node, eq_varpool_node,
1446 decide_is_variable_needed): Move to varpool.c
1447 (decl_assembler_name_equal): Move to tree.c.
1448 (availability_names): Rename to ...
1449 (cgraph_availability_names): ... this one.
1450 (dump_cgraph_node): Update.
1451 * cgraph.h: Reorder declarations now in varpool.c
1452 (cgraph_vailablity_names): Declare.
1453 (struct cgraph_varpool_node): Rename to ...
1454 (struct varpool_node): ... this one.
1455 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
1456 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
1457 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
1458 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
1459 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
1460 cgraph_variable_initializer_availability): Rename to ...
1461 (varpool_first_unanalyzed_node, varpool_nodes_queue,
1462 varpool_first_unanalyzed_node, varpool_node,
1463 varpool_node_for_asm, varpool_mark_needed_node,
1464 varpool_finalize_decl, varpool_enqueue_needed_node,
1465 varpool_assemble_pending_decls, variable_initializer_availability):
1467 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
1468 * tree.h (decl_assembler_name_equal): Declare.
1469 * omp-low.c (lower_omp_critical): Update.
1470 * ipa-reference (analyze_variable, static_execute): Likewise.
1471 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
1472 * cgraphunit.c: Update comments.
1473 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
1474 varpool_assembled_nodes_queue.
1475 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
1476 varpool_analyze_pending_decls.
1477 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
1478 varpool_remove_unreferenced_decls.
1479 (record_reference): Update.
1480 (cgraph_create_edges): Update.
1481 (record_referneces_in_initializer): New function.
1482 (cgraph_varpool_assemble_decl): Move to varpool.c under name
1483 varpool_assemble_decl; make global.
1484 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
1485 varpool_assemble_pending_decls.
1486 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
1487 struct cgraph_order_sort, cgraph_output_in_order,
1488 cgraph_function_and_variable_invisibility, cgraph_optimize,
1489 cgraph_increase_alignment): Update.
1490 * dwarf2out.c (decls_for_scope): Likewise.
1491 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
1492 * except.c (output_ttype): Likewise.
1493 * varasm.c (mark_decl_referenced): Likewise.
1494 (find_decl_and_mark_referenced, assemble_alias): update.
1495 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
1496 * passes.c (rest_of_decl_compilation): Update.
1498 2006-12-11 Ira Rosen <irar@il.ibm.com>
1500 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
1501 GIMPLE_STMT_OPERAND.
1502 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
1503 (vect_setup_realignment): Likewise.
1505 2006-12-11 Sa Liu <saliu@de.ibm.com>
1506 Ben Elliston <bje@au.ibm.com>
1508 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1509 (ENDFILE_SPEC): Likewise.
1510 * config/spu/spu.opt (mstdmain): New option.
1511 * config/spu/crti.asm: Remove.
1512 * config/spu/crtn.asm: Likewise.
1513 * config/spu/crt0.c: Likewise.
1514 * config/spu/crtend.c: Likewise.
1515 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1517 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1518 * doc/invoke.texi (SPU Options): Document -mstdmain.
1520 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1522 * doc/loop.texi: Document number_of_latch_executions and
1523 number_of_cond_exit_executions.
1524 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1525 chrec_is_positive, number_of_iterations_for_all_loops,
1526 scev_const_prop): Use number_of_latch_executions.
1527 (set_nb_iterations_in_loop): Do not increase the value of the
1528 number of iterations.
1529 (number_of_iterations_in_loop): Renamed to ...
1530 (number_of_latch_executions): ... this.
1531 (number_of_exit_cond_executions): New function.
1532 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1534 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
1535 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1536 number_of_latch_executions.
1537 * tree-data-ref.c (get_number_of_iters_for_loop): Use
1538 number_of_exit_cond_executions.
1539 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1540 * cfgloop.h (struct loop): Improve description of the nb_iterations
1543 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
1545 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1546 (tree_pointer_compare): Remove.
1548 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1550 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1551 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1552 * tree-loop-linear.c (linear_transform_loops): Ditto.
1553 * tree-ssa-loop-im.c (determine_lsm): Ditto.
1554 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1555 free_numbers_of_iterations_estimates): Ditto.
1556 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1557 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1558 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1559 * modulo-sched.c (sms_schedule): Ditto.
1560 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1561 tree_unroll_loops_completely): Ditto.
1562 * predict.c (predict_loops): Ditto.
1563 * tree-if-conv.c (main_tree_if_conversion): Ditto.
1564 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1565 decide_unrolling_and_peeling): Ditto.
1566 * cfgloopmanip.c (unloop): Use delete_loop.
1567 (place_new_loop): Access larray vector instead of parray.
1568 (create_preheaders, force_single_succ_latches,
1569 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1570 * loop-doloop.c (doloop_optimize_loops): Ditto.
1571 * loop-invariant.c (move_loop_invariants): Ditto.
1572 * tree-cfg.c (replace_uses_by): Ditto.
1573 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1574 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1576 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1578 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1579 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1580 get_loop and get_chrec_loop.
1581 (number_of_iterations_for_all_loops): Use number_of_loops.
1582 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1583 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1584 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1586 * tree-chrec.c (evolution_function_is_invariant_rec_p,
1587 chrec_convert_1): Use get_loop and get_chrec_loop.
1588 * loop-init.c (loop_optimizer_init): Use number_of_loops.
1589 (loop_optimizer_init): Use FOR_EACH_LOOP.
1590 * tree-vectorizer.c (vect_loops_num): Removed.
1591 (vectorize_loops): Store number of loops locally. Use
1592 FOR_EACH_LOOP and get_loop.
1593 * tree-vectorizer.h (vect_loops_num): Removed.
1594 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1595 (find_data_references_in_loop): Do not set parallel_p.
1596 * tree-data-ref.h: Do not declare VEC(loop_p).
1597 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1598 verify_loop_structure): Use FOR_EACH_LOOP.
1599 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1600 (initialize_loops_parallel_p): Removed.
1601 (flow_loops_find): Push the loops into a vector.
1602 (delete_loop): New function.
1603 (cancel_loop): Use delete_loop.
1604 * cfgloop.h: Declare VEC(loop_p).
1605 (struct loop): Remove parallel_p field.
1606 (struct loops): Replace num and parray field by larray vector.
1607 Remove shared_headers field.
1608 (delete_loop): Declare.
1609 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1610 FOR_EACH_LOOP): New.
1611 * doc/loop.tex: Document new accessor functions.
1613 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
1615 * common.opt (-ftree-lrs): Remove live range splitting option.
1616 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1617 * opts.c (decode_options): Remove flag_tree_live_range_split.
1618 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1619 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
1620 * tree-outof-ssa.c: Remove header files which aren't needed.
1621 (SSANORM_*): Remove flags.
1622 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1623 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1624 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1625 (assign_vars): Use Basevar instead of root_var structure.
1626 (replace_def_variable): Dont do anything if def is replaceable.
1627 (remove_ssa_form): Integrate functional changes.
1628 (rewrite_out_of_ssa): Remove live-range_split option.
1629 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1630 (coalesce_cost): Calculate the cost of a coalesce.
1631 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1632 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1633 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1634 (pop_best_coalesce): Remove the best coalesce from the list.
1635 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1636 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1637 (create_coalesce_list): Create a coalesce list object.
1638 (delete_coalesce_list): Free a coalesce list object.
1639 (find_coalesce_pair): Find matching pair in the coalesce list.
1640 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1641 (add_coalesce): Add a coalesce to the coalesce list.
1642 (compare_pairs): Comparision function to determine pair sorted order.
1643 (num_coalesce_pairs): Number of coalesced pairs.
1644 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1645 Coalesce pair iterator functions.
1646 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1647 (dump_coalesce_list): Show coalesce list.
1648 (ssa_conflicts_new): Create an SSA conflict graph.
1649 (ssa_conflicts_delete): Delete an SSA conflict graph.
1650 (ssa_conflicts_test_p): Test for conflicts.
1651 (ssa_conflicts_add_one): Add a single conflict.
1652 (ssa_conflicts_add): Add a conflict pair.
1653 (ssa_conflicts_merge): Merge conflicts.
1654 (struct live_track_d): Struct for tracking live partitions.
1655 (new_live_track): Create new live_track object.
1656 (delete_live_track): Delete a live_track object.
1657 (live_track_remove_partition): Remove a partition from the live list.
1658 (live_track_add_partition): Add a partition from the live list.
1659 (live_track_clear_var): Take VAR from the live list.
1660 (live_track_live_p): Is var live?
1661 (live_track_process_use): Make var come alive.
1662 (live_track_process_def): Make var go dead, add conflicts.
1663 (live_track_init): Initialize to a live on exit set.
1664 (live_track_clear_base_vars): Clear live partitions.
1665 (build_ssa_conflict_graph): Build a conflict graph.
1666 (print_exprs): Common debug output routine.
1667 (abnormal_corrupt): Output info about a failed coalesce across an
1669 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1670 (create_outofssa_var_map): Create a var map and coalesce list.
1671 (attempt_coalesce): Coalesce a pair.
1672 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1673 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1674 * tree-ssa-live.c: Remove header files which aren't needed.
1675 (var_map_base_init): New. Initialize a basevar list.
1676 (var_map_base_fini): New. Finish a basevar list.
1677 (init_var_map): Initialize new fields.
1678 (delete_var_map): Free new fields.
1679 (var_union): Use renamed fields.
1680 (compact_var_map): Remove.
1681 (partition_to_view_init): Use renamed fields, change order of an if.
1682 (partition_view_fini): Use renamed fields.
1683 (partition_view_normal): Create basevar list if requested.
1684 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1685 (change_partition_var): Use renamed fields.
1686 (create_ssa_var_map): Remove.
1687 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1688 root_var_init): Remove.
1689 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1690 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1691 compare_pairs, num_coalesce_pairs, first_partition_pair,
1692 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1693 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1694 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1695 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1696 (dump_var_map): Use renamed fields.
1697 * tree-ssa-live.h (struct _var_map): Modify fields.
1698 (partition_to_var, version_to_var, var_to_partition): Use renamed
1700 (basevar_index): New. Index of the base variable of a partition.
1701 (num_basevars): New. Number of unique base variables in partition map.
1702 (register_ssa_partition): Use renamed fields.
1703 (struct tree_partition_associator_d): Remove.
1704 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1705 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1706 root_var, root_var_first_partition, root_var_next_partition,
1707 root_var_dump, root_var_delete, root_var_remove_partition,
1708 root_var_find, root_var_compact, root_var_decompact): Remove.
1709 (struct partition_pair, struct coalesce_list_d): Moved to
1711 * tree-ssa-ter.c: Remove header files which aren't needed.
1713 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1715 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1716 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1718 (cse_visited_basic_blocks): New static bitmap.
1719 (cse_end_of_basic_block, cse_basic_block): Remove.
1720 (cse_find_path, cse_dump_path, cse_prescan_path,
1721 cse_extended_basic_block): New static functions.
1722 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1723 basic block boundaries. Don't record jump equivalences here.
1724 Update the CFG after doing in-place replacement of the SET_SRC.
1725 (cse_main): Rewrite. Look for extended basic block headers
1726 and call cse_extended_basic_block on them until all paths that
1727 start at this header are exhausted.
1728 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1729 and correct after cse_main.
1730 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1731 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1732 (pass_cse): Add TODO_verify_flow.
1733 (pass_cse2): Likewise.
1735 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1737 * reload1.c (choose_reload_regs): Don't set byte offset when
1738 resolving subregs of hard regs.
1740 2006-12-09 Zack Weinberg <zackw@panix.com>
1742 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1743 suitable for the language, if set_yydebug is true.
1744 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1745 YYDEBUG or declare yydebug.
1746 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1748 2006-12-09 Jan Hubicka <jh@suse.cz>
1750 * cgraph.c: Update copyright.
1751 * cgraph.h: Likewise
1752 (cgraph_update_pending_function): Remove prototype.
1753 * cgraphunit.c: Update copyright; update overall comment.
1754 (cgraph_assemble_pending_functions): Make local.
1756 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1758 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1760 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1762 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1764 (cpat_const_p, gen_cpat_const): Add.
1765 * config/spu/spu.c (immediate_class): New enum.
1766 (cpat_info, classify_immediate): New.
1767 (print_operand): Use S, D, T instead of F, G, H. Use
1768 classify_immediate. Handle cpat cases.
1769 (spu_split_immediate): Renamed from spu_split_address. Split all
1770 immediates that can be split.
1771 (immediate_load_p): Use classify_immediate.
1772 (spu_legitimate_constant_p): Accept everything except some cases of
1774 (spu_expand_move): Use spu_split_immedate.
1775 (fsmbi_const_p): Use classify_immediate.
1776 (cpat_const_p): New.
1777 (gen_cpat_const: New.
1778 * config/spu/constraints.md (j,k,l): New constraints for cpat
1780 * config/spu/spu.md (unnamed splitter): Change address splitter to
1781 handle all immediates.
1782 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1784 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1787 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1790 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1791 patterns. Correct length of high:DI instruction sequence.
1793 2006-12-08 Mike Stump <mrs@apple.com>
1795 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1796 libgcc with -mmacosx-version-min=10.4.
1797 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1798 G4 for 10.5+ unless doing kernel builds.
1800 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
1803 * reg-stack.c (convert_regs_entry): Mark current argument passing
1806 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1807 of float arguments in x87 registers.
1809 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
1811 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1813 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
1815 * recog.c (mode_dependent_address_p): Identify pre-increment,
1816 pre-decrement, post-increment and post-decrement addressing as always
1817 being mode-dependent.
1818 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1819 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1820 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1821 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1822 PRE_INC and POST_INC checks.
1823 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1824 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1825 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1826 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1827 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1828 PRE_INC, POST_DEC and POST_INC cases.
1829 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1830 Delete POST_INC and PRE_DEC cases.
1831 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1833 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1834 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1836 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1837 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1838 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1839 PRE_INC and PRE_DEC cases.
1840 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1841 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1842 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1843 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1844 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1845 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1846 auto-increment cases.
1847 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1848 auto-increment cases.
1849 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1851 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1853 * Makefile.in: Add new file tree-ssa-ter.c.
1854 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1855 free_temp_expr_table, add_value_to_version_list,
1856 add_value_to_partition_list, remove_value_from_partition_list,
1857 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1858 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1859 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1860 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1862 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1863 (struct value_expr_d): Remove.
1864 (struct temp_expr_table_d): Rename fields, add explicit vector of
1865 replaceable expressions instead of sharing. Change value_expr_p's to
1866 bitmap. Delete free_list.
1867 (new_temp_expr_table): Rename fields, count number of ssa_names in
1869 (free_temp_expr_table): Rename field, free new fields.
1870 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1871 add_info_to_list, remove_value_from_list): Delete.
1872 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1873 (make_dependent_on_partition): New. Set bit in version list, allocating
1874 a bitmap if need be.
1875 (add_to_partition_kill_list): New. Set bit in the partition list,
1876 allocating a bitmap if need be.
1877 (remove_from_partition_kill_list): New. Remove a bit from the
1878 partition list, free the bitmap if it is empty.
1879 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1880 on partitions with only one member.
1881 (is_replaceable_p): New. Split out replaceability check from
1883 (process_replaceable): New. Code split from check_replaceable.
1884 (check_replaceable): Removed.
1885 (finished_with_expr): Renamed from finish_expr.
1886 (kill_expr): Use renamed fields and less parameters.
1887 (kill_virtual_exprs): Less parameters.
1888 (mark_replaceable): Use renamed fields.
1889 (find_replaceable_in_bb): Use renamed fields, cleanup.
1890 (find_replaceable_exprs): Use renamed routines, cleanup.
1891 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1892 (debug_ter): New. Debug routine to dump state.
1894 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1896 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1897 anything involving the GOT.
1898 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1899 (trapping_loads_p): Look inside the pattern of an insn to find the
1901 * config/bfin/bfin.md (attr "type"): Add movcc.
1902 (insn_reservation "alu"): Likewise.
1903 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1905 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1907 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1908 (spu_resolve_overloaded_builtin): Check for non scalar instead
1909 of vector type and check the function call argument type also for
1911 Call build_function_call instead of spu_build_overload_builtin.
1913 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1915 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1916 to the calls of hwint_to_const_double.
1918 2006-12-07 Nick Clifton <nickc@redhat.com>
1920 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1921 elf_record_gcc_switches.
1923 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1925 * expr.c (string_constant): Account for non-zero lower bound arrays.
1927 2006-12-07 Richard Guenther <rguenther@suse.de>
1929 * builtins.c (expand_builtin_pow): Adjust predicates for
1930 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1933 2006-12-07 Jan Hubicka <jh@suse.cz>
1935 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1938 2006-12-07 Jan Hubicka <jh@suse.cz>
1940 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1941 use fold_constant_to_binary; tolerate wrong type constants.
1942 (value_intersect_p): Do just two tests.
1944 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1946 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1947 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1948 lshifthi3): Use it, and fix the order of alternatives.
1950 2006-12-07 Nick Clifton <nickc@redhat.com>
1952 * common.opt (record-gcc-switches): New command line switch.
1953 * target.h (print_switch_type): New enum.
1954 (print_switch_fn_type): New typedef for a function pointer.
1955 (struct gcc_target): Add record_gcc_switches and
1956 record_gcc_switches_section fields.
1957 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1959 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1961 * toplev.c (print_single_switch): Simplify by providing a
1962 pointer to function that will format and output the switch
1964 (print_switch_values): Likewise.
1965 (print_to_asm_out_file): New function.
1966 (print_to_stderr): New function.
1967 (init_asm_output): If flag_record_gcc_switches is set then if
1968 the target supports recording the switches then emit them into
1969 the assembler output file, otherwise tell the user that the
1970 switch is not supported.
1971 * varasm.c (eld_record_gcc_switches): New function. Example
1972 handler for the record_gcc_switches target hook.
1973 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1975 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1976 * doc/invoke.texi (-frecord-gcc-switches): Document.
1978 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1981 * sched-rgn.c (add_block1): Use correct initializer.
1983 2006-12-07 Richard Guenther <rguenther@suse.de>
1985 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1986 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1988 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1991 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1992 not GIMPLE_MODIFY_STMT.
1994 2006-12-06 Jan Hubicka <jh@suse.cz>
1996 * tree-vrp.c (operand_less_p): New.
1997 (compare_values, value_inside_range): Rewrite in terms of
2000 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
2002 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
2004 (length_immediate): Do not depend on cld type attribute.
2005 (length_address): Ditto.
2008 (cld): Remove insn pattern.
2009 (strmov_singleop): Do not use DIRFLAG_REG.
2010 (*strmovdi_rex_1): Ditto.
2011 (*strmovsi_1): Ditto.
2012 (*strmovsi_rex_1): Ditto.
2013 (*strmovhi_1): Ditto.
2014 (*strmovhi_rex_1): Ditto.
2015 (*strmovqi_1): Ditto.
2016 (*strmovqi_rex_1): Ditto.
2018 (*rep_movdi_rex64): Ditto.
2019 (*rep_movsi): Ditto.
2020 (*rep_movsi_rex64): Ditto.
2021 (*rep_movqi): Ditto.
2022 (*rep_movqi_rex64): Ditto.
2023 (strset_singleop): Ditto.
2024 (*strsetdi_rex_1): Ditto.
2025 (*strsetsi_1): Ditto.
2026 (*strsetsi_rex_1): Ditto.
2027 (*strsethi_1): Ditto.
2028 (*strsethi_rex_1): Ditto.
2029 (*strsetqi_1): Ditto.
2030 (*strsetqi_rex_1): Ditto.
2032 (*rep_stosdi_rex64): Ditto.
2033 (*rep_stossi): Ditto.
2034 (*rep_stossi_rex64): Ditto.
2035 (*rep_stosqi): Ditto.
2036 (*rep_stosqi_rex64): Ditto.
2037 (cmpstrnsi): Do not generate cld insn.
2038 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
2039 (*cmpstrnqi_nz_1): Ditto.
2040 (*cmpstrnqi_nz_rex_1): Ditto.
2041 (cmpstrnqi_1): Ditto.
2042 (*cmpstrnqi_1): Ditto.
2043 (*cmpstrnqi_rex_1): Ditto.
2044 (strlenqi_1): Ditto.
2045 (*strlenqi_1): Ditto.
2046 (*strlenqi_rex_1): Ditto.
2048 * config/i386/geode.md (shift): Do not depend on cld type attribute.
2049 * config/i386/pentium.md (pent_cld): Remove insn reservation.
2050 * config/i386/athlon.md (athlon_decode): Do not depend on cld
2052 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
2053 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
2055 (k6_alux_only_load): Ditto.
2056 (k6_alux_only_store): Ditto.
2058 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
2059 Do not emit cld instruction.
2060 (ix86_expand_setmem): Ditto.
2061 (ix86_expand_strlen): Do not emit cld instruction.
2063 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
2065 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
2068 2006-12-06 Diego Novillo <dnovillo@redhat.com>
2070 * gdbinit.in: Set complaints to 0.
2072 2006-12-06 Jan Hubicka <jh@suse.cz>
2074 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
2075 ALONE_MEM_STAT_DECL): New macros.
2076 * bitmap.h: Include statistics.h
2077 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
2078 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
2079 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
2080 * bitmap.c: Include hashtab.h
2081 (bitmap_descriptor): New.
2082 (bitmap_hash): New static variable
2083 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
2084 New static functions.
2085 (bitmap_register): New.
2086 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
2087 bitmap_obstack_release): Do accounting.
2088 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
2090 (bitmap_gc_alloc_stat): Likewise.
2091 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
2092 (print_statistics, dump_bitmap_statistics): New functions.
2093 * toplev.c (finalize): Dump bitmap statistics.
2095 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
2097 * reload1.c (delete_output_reload): Count occurrences in
2098 CALL_INSN_FUNCTION_USAGE.
2099 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
2100 crashing at the end of the list.
2102 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
2104 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
2105 Optimize to avoid marking more SMT's as used when they aren't.
2107 2006-12-05 Eric Christopher <echristo@apple.com>
2109 * config/i386/i386.c (x86_output_aligned_bss): Move out
2110 of COMMON_ASM_OP ifdef.
2112 2006-12-05 Eric Christopher <echristo@apple.com>
2114 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
2115 (STARTFILE_SPEC): Use.
2116 (DARWIN_DYLIB1_SPEC): New.
2117 (DARWIN_CRT1_SPEC): New.
2118 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
2120 * config/i386/darwin.h: Ditto.
2121 * config/rs6000/darwin.h: Ditto.
2123 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
2125 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
2126 * tree-complex.c (pass_lower_complex): Ditto.
2127 * tree-ssa-ccp.c (pass_ccp): Ditto.
2128 (pass_store_ccp): Ditto.
2129 * tree-ssa-dom.c (pass_dominator): Ditto.
2130 (pass_phi_only_cprop): Ditto.
2131 * tree-sra.c (pass_sra): Ditto.
2132 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2133 * tree-flow.h (updating_used_alone): Remove.
2134 (updating_used_alone): Ditto.
2135 * tree-ssa-alias.c (updating_used_alone): Remove variable.
2136 (lhs_may_store_to): Remove function.
2137 (recalculate_used_alone): Ditto.
2138 (compute_may_aliases): Remove used_alone calculation.
2139 * tree.h (struct tree_memory_tag): Remove is_used_alone and
2140 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
2141 * tree-pass.h (PROP_smt_usage): Remove.
2142 * passes.c (execute_todo): Remove used alone recalculation.
2143 (execute_one_pass): Ditto.
2144 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
2147 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
2149 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
2151 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
2153 PR tree-optimization/14784
2154 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
2156 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
2158 Merge from gimple-tuples-branch.
2160 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2162 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
2164 (s390_gimplify_va_arg): Same.
2165 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
2166 * config/sh/sh.c (sh_va_start): Same.
2167 (sh_gimplify_va_arg_expr): Same.
2168 * config/xtensa/xtensa.c (xtensa_va_start): Same.
2169 (xtensa_gimplify_va_arg_expr): Same.
2170 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
2171 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
2172 * config/mips/mips.c (mips_va_start): Same.
2173 (mips_gimplify_va_arg_expr): Same.
2175 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2177 * Merge from mainline at revision 119445.
2179 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2181 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
2183 (spu_gimplify_va_arg_expr): Same.
2185 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2187 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2188 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2189 (xstormy16_expand_builtin_va_arg): Same.
2191 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2193 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
2194 to GIMPLE_MODIFY_STMT.
2196 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2198 * config/alpha/alpha.c (va_list_skip_additions): Change all
2199 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2200 (alpha_va_start): Same.
2201 (alpha_gimplify_va_arg_1): Same.
2202 (alpha_gimplify_va_arg): Same.
2204 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
2206 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
2208 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
2210 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
2211 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
2213 * tree-complex.c: Same.
2214 * tree-pretty-print.c: Same.
2218 * fold-const.c: Same.
2219 * tree-ssa-dom.c: Same.
2220 * tree-ssa-propagate.c: Same.
2221 * tree-ssa-alias.c: Same.
2222 * gimple-low.c: Same.
2223 * dwarf2out.c: Same.
2224 * c-pretty-print.c: Same.
2226 * tree-inline.c: Same.
2227 * tree-outof-ssa.c: Same.
2228 * tree-ssa-structalias.c: Same.
2229 * tree-ssa-reassoc.c: Same.
2232 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
2234 * tree.c (build2_stat): Fix comment.
2236 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
2238 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
2239 TREE_OPERAND when appropriate.
2241 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
2243 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
2244 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
2245 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
2246 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
2247 not handle GIMPLE_MODIFY_STMT in the switch statement.
2248 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
2249 (java_gimplify_new_array_init): Same.
2251 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
2253 * gimplify.c (gimplify_omp_for): Allow gimple statements.
2254 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
2255 * fold-const.c (fold_binary): Allow gimple statements.
2257 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
2258 Rename from gfc_conv_descriptor_data_set.
2259 Call gfc_add_modify instead of gfc_add_modify_expr.
2260 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
2261 Rename from gfc_conv_descriptor_data_set.
2262 (gfc_conv_descriptor_data_set): New macro.
2263 (gfc_conv_descriptor_data_set_tuples): New macros.
2264 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
2265 gfc_conv_descriptor_data_set_tuples.
2266 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
2267 Generate GIMPLE_MODIFY_STMT when appropriate.
2268 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
2269 (gfc_add_modify_expr): New macro.
2270 (gfc_add_modify_stmt): New macro.
2271 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
2273 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
2275 * Merge from mainline at revision 118200.
2277 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2279 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
2282 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2284 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
2286 Also, add __extension__ to GCC versions.
2287 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2288 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
2291 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
2293 * tree-complex.c (expand_complex_libcall): Adjust for
2295 (expand_complex_comparison): Same.
2296 * tree-pretty-print.c (dump_generic_node): Is_expr should include
2297 GIMPLE_STMT_P statements.
2298 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
2300 (tree_mod_pow2_value_transform): Same.
2301 (tree_mod_subtract_transform): Same.
2302 * tree.c (build2_stat): Check for gimplified function in cfun.
2303 * tree.h (DECL_GIMPLIFIED): Delete.
2304 (struct tree_function_decl): Remove gimplified_flag.
2305 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
2306 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
2307 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
2308 (cxx_omp_clause_copy_ctor): Same.
2309 (cxx_omp_clause_assign_op): Same.
2310 * c-pretty-print.c (pp_c_conditional_expression): Same.
2311 (pp_c_expression): Same.
2312 * langhooks.c (lhd_omp_predetermined_sharing): Same.
2313 * function.h (struct function): Add gimplified field.
2314 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
2316 (find_phi_replacement_condition): Same.
2317 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
2318 (gimplify_modify_expr_to_memset): Same.
2319 (gimplify_init_ctor_eval_range): Same.
2320 (gimplify_modify_expr_complex_part): Same.
2321 (tree_to_gimple_tuple): Same.
2322 (gimplify_modify_expr): Same.
2323 (gimple_push_cleanup): Same.
2324 (gimplify_omp_for): Same.
2325 (gimplify_omp_atomic_pipeline): Same.
2326 (gimplify_omp_atomic_mutex): Same.
2327 (gimplify_expr): Same.
2328 (gimplify_one_sizepos): Same.
2329 (gimplify_function_tree): Same.
2330 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
2331 (vect_recog_widen_sum_pattern): Same.
2332 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
2333 (vect_create_epilog_for_reduction): Same.
2334 (vectorizable_reduction): Same.
2336 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
2338 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
2339 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
2340 (ifc_temp_var): Same.
2341 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
2342 for gimple statements.
2343 (vect_analyze_operations): Same.
2344 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
2345 * gimplify.c (gimplify_return_expr): Handle gimple statements.
2346 * lambda-code.c (can_put_in_inner_loop): Same.
2347 (can_put_after_inner_loop): Same.
2348 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2349 (vect_create_data_ref_ptr): Same.
2350 (vect_init_vector): Same.
2351 (vect_get_vec_def_for_operand): Same.
2352 (vect_create_epilog_for_reduction): Same.
2353 (vectorizable_reduction): Same.
2354 (vectorizable_assignment): Same.
2355 (vectorizable_operation): Same.
2356 (vectorizable_load): Same.
2357 (vectorizable_condition): Same.
2358 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
2359 (rs6000_gimplify_va_arg): Same.
2361 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
2363 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
2364 GIMPLE_STMT_OPERAND.
2365 (simplify_abs_using_ranges): Same.
2366 * tree-complex.c (expand_complex_operations_1): Use
2367 PROTECTED_TREE_OPERAND.
2368 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
2370 (get_val_for): Use GIMPLE_STMT_OPERAND.
2371 * tree-tailcall.c (adjust_accumulator_values): Same.
2372 (adjust_return_value): Same.
2373 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
2374 case. Remove special case for tcc_gimple_stmt.
2375 * tree.h (CAN_HAVE_LOCATION_P): New.
2376 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
2378 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
2379 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
2380 * tree-nrv.c (execute_return_slot_opt): Same.
2381 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
2382 * tree-vn.c (set_value_handle): Same.
2383 (get_value_handle): Same.
2384 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
2385 * tree-vectorizer.c (find_loop_location): Same.
2386 * c-typeck.c (c_process_expr_stmt): Same.
2387 (c_finish_stmt_expr): Same.
2388 * gimplify.c (should_carry_locus_p): Same.
2389 (tree_to_gimple_tuple): Delete definition and use of unecessary
2390 variable save_tree_block.
2391 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
2392 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
2393 (realify_fake_stores): Same.
2394 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
2396 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
2397 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
2398 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
2399 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
2400 (c_parser_statement_after_labels): Same.
2401 (c_parser_paren_condition): Same.
2402 (c_parser_for_statement): Same.
2403 (c_parser_omp_for_loop): Same.
2404 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
2405 (linearize_expr_tree): Same.
2406 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
2407 * function.c (instantiate_expr): Same.
2409 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
2411 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
2412 (set_expr_location): Same.
2414 (set_expr_locus): Same.
2415 (expr_filename): Same.
2416 (expr_lineno): Same.
2417 (tree_block): Use GIMPLE_STMT_BLOCK.
2418 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
2419 * tree.h (struct gimple_stmt): Remove prev and next.
2420 (GIMPLE_STMT_OPERAND_CHECK): New.
2421 (TREE_TO_GIMPLE_STMT): Delete.
2422 (GIMPLE_STMT_TO_TREE): Delete.
2423 (GIMPLE_STMT_OPERAND): Use union, not cast.
2424 (GIMPLE_STMT_LOCUS): New.
2425 (GIMPLE_STMT_BLOCK): New.
2426 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
2428 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
2430 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
2432 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
2434 * tree-tailcall.c (adjust_return_value): Same.
2435 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
2436 (copy_node_stat): Change common.base to base.
2437 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
2438 Remove GIMPLE_STATEMENT_LIST case.
2439 * tree.h (struct gimple_stmt): Make operands of type tree.
2440 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2441 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2442 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2443 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2444 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
2445 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2446 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2447 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
2448 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
2449 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
2450 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2451 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
2452 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
2453 Change common.base to base.
2454 (GIMPLE_STATEMENT_LIST*): Remove.
2455 (union tree_node): Add base. Remove gimple_statement_list.
2456 Remove pointer from gstmt.
2457 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
2458 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
2459 * tree-vn.c (vn_compute): Change common.base to base.
2460 * tree-eh.c (verify_eh_throw_stmt_node): Same.
2461 * tree-flow-inline.h (var_ann): Same.
2462 (function_ann): Same.
2464 (mark_non_addressable): Same.
2465 * gimplify.c (tree_to_gimple_tuple): Same.
2466 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
2467 * tree-dfa.c (create_var_ann): Change common.base to base.
2468 (create_function_ann): Same.
2469 (create_stmt_ann): Same.
2470 (create_tree_ann): Same.
2471 (collect_dfa_stats_r): Same.
2472 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
2473 * tree-ssa-dce.c (NECESSARY): Same.
2474 * tree-ssa.c (delete_tree_ssa): Same.
2475 * tree-optimize.c (execute_free_cfg_annotations): Same.
2476 * tree-flow.h: Same.
2478 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
2480 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
2481 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
2483 * tree.h (struct gimple_stmt): Add prev and next fields.
2484 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
2485 (GIMPLE_STATEMENT_LIST_HEAD): New.
2486 (GIMPLE_STATEMENT_LIST_TAIL): New.
2487 (struct gimple_statement_list): New.
2488 (union tree_node): Add gimple_stmt_list and gstmt.
2489 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
2490 * tree.def: Add GIMPLE_STATEMENT_LIST.
2492 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
2494 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
2495 * tree-vrp.c (build_assert_expr_for): Change uses of
2496 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2497 (find_assert_locations): Same.
2498 (remove_range_assertions): Same.
2499 (stmt_interesting_for_vrp): Same.
2500 (vrp_visit_assignment): Same.
2501 (vrp_visit_stmt): Same.
2502 (simplify_cond_using_ranges): Same.
2503 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
2505 * tree-ssa-loop-im.c (movement_possibility): Change uses of
2506 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2508 (determine_invariantness_stmt): Same.
2509 (schedule_sm): Same.
2510 (gather_mem_refs_stmt): Same.
2511 * tree-complex.c (init_dont_simulate_again): Same.
2512 (complex_visit_stmt): Same.
2513 (set_component_ssa_name): Same.
2514 (expand_complex_move): Same.
2515 (expand_complex_div_wide): Same.
2516 (expand_complex_comparison): Same.
2517 (expand_complex_operations_1): Same.
2518 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
2519 (chain_of_csts_start): Same.
2520 (infer_loop_bounds_from_undefined): Same.
2521 * tree-pretty-print.c (dump_generic_node): Same.
2523 (op_symbol_1): Same.
2524 * tree-ssa-loop-manip.c (create_iv): Same.
2525 * value-prof.c (tree_divmod_fixed_value): Same.
2526 (tree_divmod_fixed_value_transform): Same.
2527 (tree_mod_pow2): Same.
2528 (tree_mod_pow2_value_transform): Same.
2529 (tree_mod_subtract): Same.
2530 (tree_mod_subtract_transform): Same.
2531 (tree_divmod_values_to_profile): Same.
2532 * tree-tailcall.c (process_assignment): Same.
2533 (find_tail_calls): Same.
2534 (adjust_accumulator_values): Same.
2535 (adjust_return_value): Same.
2536 (eliminate_tail_call): Same.
2537 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
2538 (make_node_stat): Same.
2539 (copy_node_stat): Handle gimple tuples.
2540 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
2541 (tree_node_structure): Handle tcc_gimple_stmt.
2542 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
2544 (build2_gimple_stat): New.
2545 (expr_location): New.
2546 (set_expr_location): New.
2547 (expr_has_location): New.
2549 (set_expr_locus): New.
2550 (expr_filename): New.
2552 (walk_tree): Handle tcc_gimple_stmt.
2554 (protected_tree_operand): New.
2555 (protected_tree_type): New.
2556 (tree_code_kind): Add gimple statements.
2557 * tree.h (tree_code_class): Add tcc_gimple_stmt.
2558 (IS_GIMPLE_STMT_CODE_CLASS): New.
2559 (struct tree_base): New.
2560 (struct tree_common): Shrink.
2561 (struct gimple_stmt): New.
2562 (struct gimple_expr): New.
2563 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2564 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2565 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2566 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2567 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2568 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2569 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2570 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2571 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2572 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2573 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2574 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2575 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2576 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2577 Adjust for new `common' layout.
2578 (struct tree_function_decl): Add gimplified_flag.
2579 (DECL_GIMPLIFIED): NEW.
2580 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2581 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2582 EXPR_HAS_LOCATION): Call corresponding function.
2583 (GIMPLE_STMT_CHECK): New.
2584 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2585 (TREE_BLOCK): Call tree_block.
2586 (GIMPLE_STMT_P): New.
2587 (GIMPLE_TUPLE_P): New.
2588 (TREE_TO_GIMPLE_STMT): New.
2589 (GIMPLE_STMT_TO_TREE): New.
2590 (GIMPLE_STMT_OPERAND): New.
2591 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2592 (PROTECTED_TREE_OPERAND): New.
2593 (PROTECTED_TREE_TYPE): New.
2594 (build2_gimple_stat): Protoize.
2595 (build2_gimple): New.
2596 (expr_location): Protoize.
2597 (set_expr_location): Protoize.
2598 (expr_has_location): Protoize.
2599 (expr_locus): Protoize.
2600 (set_expr_locus): Protoize.
2601 (expr_filename): Protoize.
2602 (expr_lineno): Protoize.
2603 (tree_block): Protoize.
2604 (protected_tree_operand): Protoize.
2605 (protected_tree_type): Protoize.
2606 (enum tree_node_kind): Add gimple_stmt_kind.
2607 * c-decl.c (union lang_tree_node): Tuples do not have a
2609 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2610 GIMPLE_MODIFY_STMT and adjust accordingly.
2611 * tree-scalar-evolution.c (follow_ssa_edge): Same.
2612 (interpret_condition_phi): Same.
2613 (pointer_used_p): Same.
2614 (analyze_scalar_evolution_1): Same.
2615 (scev_const_prop): Same.
2616 (interpret_rhs_modify_stmt): Rename from
2617 interpret_rhs_modify_expr.
2618 * builtins.c (std_expand_builtin_va_start): Change uses of
2619 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2620 (std_gimplify_va_arg_expr): Same.
2621 (expand_builtin_va_copy): Same.
2622 (integer_valued_real_p): Same.
2623 * fold-const.c (maybe_lvalue_p): Same.
2625 (tree_expr_nonnegative_p): Same.
2626 (tree_expr_nonzero_p): Same.
2627 * omp-low.c (extract_omp_for_data): Same.
2628 (lower_rec_input_clauses): Same.
2629 (lower_reduction_clauses): Same.
2630 (lower_copyprivate_clauses): Same.
2631 (lower_send_clauses): Same.
2632 (lower_send_shared_vars): Same.
2633 (expand_parallel_call): Same.
2634 (expand_omp_parallel): Same.
2635 (expand_omp_for_generic): Same.
2636 (expand_omp_for_static_nochunk): Same.
2637 (expand_omp_for_static_chunk): Same.
2638 (expand_omp_sections): Same.
2639 (lower_omp_single_copy): Same.
2640 (lower_omp_parallel): Same.
2641 * tree-ssa-dse.c (memory_address_same): Same.
2642 (dse_optimize_stmt): Same.
2643 * ipa-reference.c (scan_for_static_refs): Same.
2644 * tree-gimple.c (is_gimple_reg_rhs): Same.
2645 (get_call_expr_in): Same.
2646 (recalculate_side_effects): Same.
2647 * cgraphunit.c (cgraph_create_edges): Same.
2648 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2649 * tree-ssa-ccp.c (get_default_value): Same.
2650 (likely_value): Same.
2651 (visit_assignment): Same.
2652 (ccp_visit_stmt): Same.
2653 (get_maxval_strlen): Same.
2654 (ccp_fold_builtin): Same.
2655 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2656 (find_givs_in_stmt): Same.
2657 (find_interesting_uses_op): Same.
2658 (find_interesting_uses_stmt): Same.
2659 (rewrite_use_nonlinear_expr): Same.
2660 * ipa-pure-const.c (scan_function): Same.
2661 * tree-stdarg.c (va_list_counter_bump): Same.
2662 (check_all_va_list_escapes): Same.
2663 (execute_optimize_stdarg): Same.
2664 * tree-ssa-math-opts.c (compute_merit): Same.
2665 (insert_reciprocals): Same.
2666 (execute_cse_reciprocals): Same.
2667 * tree-ssa-dom.c (initialize_hash_element): Same.
2668 (simple_iv_increment_p): Same.
2669 (record_equivalences_from_stmt): Same.
2670 (optimize_stmt): Same.
2671 (remove_stmt_or_phi): Same.
2672 (get_rhs_or_phi_arg): Same.
2673 (get_lhs_or_phi_result): Same.
2674 (propagate_rhs_into_lhs): Same.
2675 * tree-nrv.c (tree_nrv): Same.
2676 (execute_return_slot_opt): Same.
2677 * tree-ssa-propagate.c (get_rhs): Same.
2679 (stmt_makes_single_load): Same.
2680 (stmt_makes_single_store): Same.
2681 (replace_vuses_in): Same.
2682 (fold_predicate_in): Same.
2683 (substitute_and_fold): Same.
2684 * tree-ssa-alias.c (compute_call_clobbered): Same.
2685 (recalculate_used_alone): Same.
2686 (count_uses_and_derefs): Same.
2687 (is_escape_site): Same.
2688 (find_used_portions): Same.
2689 * gimple-low.c (lower_stmt): Same.
2690 (block_may_fallthru): Same.
2691 (lower_return_expr): Same.
2692 * tree-ssa-sink.c (is_hidden_global_store): Same.
2693 (statement_sink_location): Same.
2694 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2695 * expr.c (safe_from_p): Same.
2696 (expand_expr_real): Same.
2697 (expand_expr_real_1): Same.
2698 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2699 * predict.c (expr_expected_value): Same.
2700 (strip_builtin_expect): Same.
2701 (apply_return_prediction): Same.
2702 (tree_bb_level_predictions): Same.
2703 (tree_estimate_probability): Same.
2704 * tree-vn.c (vn_compute): Same.
2705 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2706 (remove_stmt_from_eh_region_fn): Same.
2707 (do_return_redirection): Same.
2708 (honor_protect_cleanup_actions): Same.
2709 (lower_try_finally_switch): Same.
2710 (lower_eh_constructs_1): Same.
2711 (tree_could_throw_p): Same.
2712 (verify_eh_throw_stmt_node): Same.
2713 * function.c (gimplify_parameters): Same.
2714 * tree-vectorizer.c (vect_is_simple_use): Same.
2715 (vect_is_simple_reduction): Same.
2716 * ipa-type-escape.c (scan_for_refs): Same.
2717 * tree-if-conv.c (tree_if_conversion): Same.
2718 (tree_if_convert_stmt): Same.
2719 (if_convertible_gimplify_modify_stmt_p): Rename from
2720 if_convertible_modify_expr_p.
2721 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2722 (ifc_temp_var): Same.
2723 (replace_phi_with_cond_modify_stmt): Rename from
2724 replace_phi_with_cond_modify_expr.
2725 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2726 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2727 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2729 * tree-flow-inline.h (var_ann): Same.
2730 (function_ann): Same.
2732 (mark_non_addressable): Same.
2733 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2734 * gimplify.c (tree_to_gimple_tuple): New.
2735 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2736 (gimplify_return_expr): Same.
2737 (gimplify_decl_expr): Same.
2738 (gimplify_self_mod_expr): Same.
2739 (gimplify_cond_expr): Same.
2740 (gimplify_init_constructor): Same.
2741 (gimplify_modify_expr): Same.
2742 (gimplify_expr): Same.
2743 (gimplify_function_tree): Same.
2744 (force_gimple_operand): Same.
2745 * tree-ssa-phiopt.c (conditional_replacement): Same.
2746 (minmax_replacement): Same.
2747 (abs_replacement): Same.
2748 * tree-dfa.c (create_var_ann): Same.
2749 (create_function_ann): Same.
2750 (create_stmt_ann): Same.
2751 (create_tree_ann): Same.
2752 (collect_dfa_stats_r): Same.
2753 * tree-ssa-pre.c (find_or_generate_expression): Same.
2754 (create_expression_by_pieces): Same.
2755 (try_look_through_load): Same.
2756 (insert_fake_stores): Same.
2757 (realify_fake_stores): Same.
2758 (compute_avail): Same.
2761 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2762 Adjust for GIMPLE_MODIFY_STMT.
2763 (NECESSARY): Adjust for new `common' layout.
2764 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2766 * tree-sra.c (sra_walk_modify_stmt): Rename from
2767 sra_walk_modify_expr.
2768 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2769 (generate_copy_inout): Same.
2770 (generate_element_copy): Same.
2771 (generate_element_zero): Same.
2772 (scalarize_copy): Same.
2773 * tree-mudflap.c (mf_decl_cache_locals): Same.
2774 (mf_build_check_statement_for): Same.
2775 (mf_xform_derefs): Same.
2776 * ipa-prop.c (ipa_method_modify_stmt): Same.
2777 * print-tree.c (print_node): Handle gimple tuples.
2778 Add case for tcc_gimple_stmt.
2779 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2781 (copy_prop_visit_assignment): Same.
2782 (copy_prop_visit_stmt): Same.
2783 (init_copy_prop): Same.
2784 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2785 (forward_propagate_into_cond_1): Same.
2786 (find_equivalent_equality_comparison): Same.
2787 (tidy_after_forward_propagate_addr): Same.
2788 (forward_propagate_addr_expr_1): Same.
2789 (simplify_not_neg_expr): Same.
2790 (simplify_switch_expr): Same.
2791 * tree-ssa-dce.c (find_pdom): Same.
2792 (mark_stmt_if_obviously_necessary): Same.
2793 (NECESSARY): Adjust for new `common' layout.
2794 * tree-flow.h: Same.
2795 * tree-vect-patterns.c (widened_name_p): Adjust for
2797 (vect_recog_dot_prod_pattern): Same.
2798 (vect_recog_widen_sum_pattern): Same.
2799 (vect_pattern_recog_1): Same.
2800 * tree-nested.c (init_tmp_var): Same.
2801 (save_tmp_var): Same.
2803 (convert_call_expr): Same.
2804 (finalize_nesting_tree_1): Same.
2805 * tree-ssa.c (verify_ssa): Same.
2806 (delete_tree_ssa): Same.
2807 * lambda-code.c (lbv_to_gcc_expression): Same.
2808 (lle_to_gcc_expression): Same.
2809 (lambda_loopnest_to_gcc_loopnest): Same.
2810 (can_put_in_inner_loop): Same.
2811 (can_convert_to_perfect_nest): Same.
2812 (perfect_nestify): Same.
2813 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2814 * tree-inline.c (copy_body_r): Same.
2815 (setup_one_parameter): Same.
2816 (initialize_inlined_parameters): Same.
2817 (estimate_num_insns_1): Same.
2818 (expand_call_inline): Same.
2819 (gimple_expand_calls_inline): Same.
2820 (copy_tree_r): Same.
2821 * tree-optimize.c (execute_free_cfg_annotations): Same.
2822 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2823 (vect_align_data_ref): Same.
2824 (vect_create_data_ref_ptr): Same.
2825 (vect_init_vector): Same.
2826 (vect_create_epilog_for_reduction): Same.
2827 (vectorizable_reduction): Same.
2828 (vectorizable_assignment): Same.
2829 (vectorizable_operation): Same.
2830 (vectorizable_store): Same.
2831 (vectorizable_load): Same.
2832 (vectorizable_live_operation): Same.
2833 (vectorizable_condition): Same.
2834 (vect_generate_tmps_on_preheader): Same.
2835 (vect_create_cond_for_align_checks): Same.
2836 * tree-object-size.c (collect_object_sizes_for): Same.
2837 (check_for_plus_in_loops_1): Same.
2838 (check_for_plus_in_loops): Same.
2839 * tree-outof-ssa.c (insert_copy_on_edge): Same.
2840 (replace_use_variable): Same.
2841 (check_replaceable): Same.
2842 (rewrite_trees): Same.
2843 (identical_copies_p): Same.
2844 (insert_backedge_copies): Same.
2845 * tree-profile.c (tree_gen_edge_profiler): Same.
2846 * tree-vect-generic.c (expand_vector_operations_1): Same.
2847 * tree-ssa-structalias.c (update_alias_info): Same.
2848 (find_func_aliases): Same.
2849 * tree-cfg.c (factor_computed_gotos): Same.
2851 (make_goto_expr_edges): Same.
2852 (tree_merge_blocks): Same.
2853 (remove_useless_stmts_cond): Same.
2854 (remove_useless_stmts_1): Same.
2855 (tree_find_edge_insert_loc): Same.
2856 (verify_expr): Same.
2857 (gimplify_val): Same.
2858 (verify_gimple_tuples_1): New.
2859 (verify_gimple_tuples): New.
2860 (verify_stmts): Call verify_gimple_tuples.
2861 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2862 (get_unary_op): Same.
2863 (linearize_expr): Same.
2864 (get_single_immediate_use): Same.
2865 (negate_value): Same.
2866 (should_break_up_subtract): Same.
2867 (break_up_subtract): Same.
2868 (repropagate_negates): Same.
2869 (break_up_subtract_bb): Same.
2870 (reassociate_bb): Same.
2871 * config/i386/i386.c (ix86_va_start): Same.
2872 (ix86_gimplify_va_arg): Same.
2873 * stmt.c (expand_expr_stmt): Same.
2874 (warn_if_unused_value): Same.
2875 (expand_return): Same.
2876 * tree-ssanames.c (make_ssa_name): Same.
2877 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2878 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2879 (add_virtual_operand): Same.
2880 (get_expr_operands): Same.
2881 (parse_ssa_operands): Same.
2882 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2884 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2886 * config.host: Remove extra blank line.
2888 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2890 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2891 target is also an x86 variant.
2893 2006-12-05 Richard Guenther <rguenther@suse.de>
2895 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2896 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2897 (ix86_builtin_vectorized_function): New function to vectorize
2900 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2902 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2903 ia64_override_options.
2905 2006-12-04 Jan Hubicka <jh@suse.cz>
2907 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2910 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2912 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2913 * config/bfin/bfin.c: Include "timevar.h".
2914 (bfin_flag_schedule_insns2, splitting_for_sched,
2915 bfin_flag_var_tracking): New variables.
2916 (print_operand): Handle '%!'.
2917 (override_options): Disable normal sched2 pass, instead set
2918 bfin_flag_schedule_insns2 for reorg to handle it.
2919 (output_file_start): Likewise for var-tracking.
2920 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2921 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2923 (bfin_reorg): Do second scheduling pass here, and call
2924 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2925 of examining insns directly. If bfin_flag_var_tracking, call
2926 var-tracking pass when done with everything else.
2927 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2928 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2929 (movsi_insn32): New pattern, with two new splits to create it
2930 before the final scheduling pass.
2931 (neghi2): Not a dsp32 insn, rather alu0.
2932 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2933 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2934 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2935 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2936 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2937 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2938 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2939 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2940 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2941 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2942 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2943 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2944 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2945 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2946 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2947 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2948 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2949 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2950 variants instead of ';'.
2951 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2952 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2953 (align8, align16, align24): Now named patterns; also using '%!'.
2956 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2958 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2959 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2961 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2963 * config/spu/spu-protos.c (spu_split_address): Add.
2964 * config/spu/spu.c (spu_split_address): Add.
2965 (print_operand): Handle HIGH.
2966 (spu_legitimate_address): Don't test for aligned CONST.
2967 (spu_expand_mov): Don't split addresses here.
2968 * config/spu/constraints.md (A): Don't test legitimate_const.
2969 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2970 (ceq_di): Use correct predicates.
2972 2006-12-04 Eric Christopher <echristo@apple.com>
2974 * config/darwin.h: Update copyright notice.
2975 * config/i386/darwin.h: Ditto.
2977 2006-12-04 Jan Hubicka <jh@suse.cz>
2979 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2980 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2982 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2984 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2986 * tree-ssa-structalias.c (set_used_smts): Export.
2987 (find_what_p_points_to): Don't call set_used_smts here.
2988 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2990 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2992 * tree-ssa-alias.c (compute_may_aliases):
2993 Compute flow sensitive before flow insensitive.
2994 (compute_flow_sensitive_aliasing): Don't try to add
2995 a symbol memory tag to itself.
2997 * alias.h (alias_set_subset_of): New prototype.
2999 * alias.c (alias_set_subset_of): New function.
3001 * tree-ssa-structalias.c: Update comments.
3002 (struct variable_info): Add finished_solution.
3003 (new_varinfo): Set finished solution to NULL.
3004 (var_escaped_vars): Remove.
3005 (escaped_vars_tree): Remove.
3006 (escaped_vars_id): Remove.
3007 (nonlocal_vars_id): Remove.
3008 (constraint_expr_type): Add INCLUDES.
3009 (graph_size): Removed.
3010 (dump_constraint): Support INCLUDES.
3011 (build_constraint_graph): Ditto.
3012 (collapse_nodes): Add merge_solutions argument.
3013 Don't merge attributes.
3014 (process_unification_queue): Just use collapse_nodes.
3015 (perform_var_substitution): Update call to collapse_nodes.
3016 (get_constraint_exp_from_ssa_var): Use INCLUDES.
3017 (process_constraint): Fix non-field sensitive handling
3019 (get_constraint_for): Use INCLUDES.
3020 (make_constraint_from_anything): Renamed from
3021 make_constraint_from_escaped.
3022 (make_constraint_to_escaped): Removed.
3023 (find_global_initializers): Removed.
3024 (create_variable_info_for): Do not make constraints to escaped
3026 (dump_solution_for_var): Don't print out the equivalent points-to
3027 sets, just use the name of the variable it shares it with.
3028 (intra_create_variable_infos): Use INCLUDES.
3029 Change nonlocal variable sets to anything sets.
3030 (init_base_vars): Remove escaped_vars and nonlocal_var
3032 (find_escape_constraints): Removed.
3033 (delete_points_to_sets): Remove dead code.
3034 (used_smt_calculated): New variable.
3035 (set_used_smts): New function.
3036 (merge_smts_into): New function.
3037 (find_what_p_points_to): Modify to use SMTs.
3038 (create_nonlocal_var): Remove.
3040 * tree-ssa-operands.c (access_can_touch_variable): Remove
3041 reference to nonlocal_all.
3043 * tree-ssa.c (verify_name_tags): Remove.
3045 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
3047 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
3048 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
3050 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
3052 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
3053 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
3054 (add_livein_if_notdef): Delete.
3055 (loe_visit_block): New. Propogate live on entry info for a block into
3056 each predecessor. If it changes, make sure it is visited again.
3057 (live_worklist): Visit every block and update the live on entry info
3058 for preds. Iterate over any that changed.
3059 (set_var_live_on_entry): Populate the live on entry blocks with bits
3060 based on the immediate uses of a var.
3061 (calculate_live_on_entry): Remove.
3062 (calculate_live_on_exit): Calculate live on exit based on the newly
3063 oriented live on entry bits.
3064 (calculate_live_ranges): Build live on entry and exit vectors.
3065 (dump_live_info): Use new orientation of live on entry bitmaps.
3066 (verify_live_on_entry): New. Split out verification code from old
3067 calculate_live_on_entry routine.
3068 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
3069 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
3070 basic_block instead of for a partition.
3071 (live_merge_and_clear): Add asserts.
3072 (make_live_on_entry): Set partition bit in basic block vector.
3074 2006-12-04 Jakub Jelinek <jakub@redhat.com>
3077 * omp-low.c (expand_omp_for_static_nochunk,
3078 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
3082 * omp-low.c (determine_parallel_type): Don't try to optimize combined
3083 parallels if region->exit or region->inner->exit is NULL.
3084 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
3086 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
3087 (expand_omp_for): Use expand_omp_for_generic if either region->cond
3088 or region->exit is NULL.
3089 (expand_omp_sections): Handle NULL region->cond or region->exit.
3092 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3094 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
3095 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
3097 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
3099 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
3100 TYPE_MAX_VALUE for scalar types here but...
3101 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
3102 is attached an error mark, and the return value of the callback
3103 if it is not NULL_TREE.
3105 2006-12-04 Ben Elliston <bje@au.ibm.com>
3107 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
3109 2006-12-03 Eric Christopher <echristo@apple.com>
3112 * config/t-slibgcc-darwin: Pass -install_name.
3113 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
3114 libtool. Only pass through options that the linker recognizes.
3115 (LINK_SPEC): Update comment. Translate options.
3116 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
3117 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
3119 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
3121 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
3123 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
3126 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
3127 operands[1] in insn constraint. Correct type attribute to sselog1.
3129 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
3132 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
3134 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
3135 processor detection.
3137 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
3138 -march=native if there is no -mtune=*.
3140 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
3143 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3145 * doc/install.texi: Update recommended MPFR version. Remove
3146 obsolete reference to cumulative patch.
3148 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
3151 * c-decl.c (store_parm_decls_oldstyle): Robustify.
3153 2006-11-30 Jan Hubicka <jh@suse.cz>
3154 Uros Bizjak <ubizjak@gmail.com>
3156 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
3157 32bit memcpy/memset decriptors.
3158 (decide_alg): With -minline-all-stringops and sizes that are best
3159 to be copied via libcall still work hard enough to pick non-libcall
3162 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
3164 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
3166 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
3167 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
3168 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
3169 config/sh/sh4-300.md, config/spu/spu-builtins.def,
3170 config/spu/spu-c.c, config/spu/spu-modes.def,
3171 config/spu/spu.c, config/spu/spu.md,
3172 config/spu/spu_internals.h, config/spu/vmx2spu.h,
3173 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
3174 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
3175 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
3176 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
3177 spelling conventions.
3179 * config/i386/i386.c: Fix a comment typo.
3181 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3183 * config/spu/spu.c (spu_immediate): Remove trailing comma.
3184 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
3185 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
3186 better optimization.
3187 (floatv4siv4sf2): New.
3188 (fix_truncv4sfv4si2): New.
3189 (floatunsv4siv4sf2): New.
3190 (fixuns_truncv4sfv4si2): New.
3198 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
3199 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
3200 spu_resolve_overloaded_builtin instead of static inline functions.
3202 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
3204 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
3205 type instead of the size of its mode to compute the highest and
3206 lowest possible values. Still check the size of the mode before
3207 flipping the signedness of the comparison.
3209 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3211 * config/spu/predicates.md (spu_mov_operand): Add.
3212 * config/spu/spu.c (spu_expand_extv): Remove unused code.
3213 (print_operand_address, print_operand): Handle addresses containing AND.
3214 (spu_split_load, spu_split_store): Use updated movti pattern.
3215 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
3216 stores in mov patterns for correct operation of reload.
3217 (lq, lq_<mode>, stq, stq_<mode>): Remove.
3219 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3222 * c-common.c (check_main_parameter_types): Check for error_mark_node.
3224 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
3226 * common.opt (ftree-combine-temps): Remove.
3227 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
3228 (coalesce_ssa_name): Don't check for combine-temps.
3229 (coalesce_vars): Remove.
3230 (check_replaceable): Use num_imm_uses.
3231 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
3232 check for combine-temps.
3233 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
3234 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
3235 to register_ssa_partition calls.
3236 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
3237 (init_var_map, delete_var_map): remove refernces to ref_count.
3238 (create_ssa_var_map): Never calculate a ref count.
3239 (type_var_init): Remove.
3240 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
3241 (SSA_VAR_MAP_REF_COUNT): Delete.
3242 (create_ssa_var_map): Change Prototype to have no parameters.
3243 (version_ref_count): Delete.
3244 (register_ssa_partition): Remove 'is_use' paramater and don't set the
3246 (type_var_num, type_var, type_var_first_partition,
3247 type_var_next_partition, type_var_dump, type_var_delete,
3248 type_var_remove_partition, type_var_find, type_var_compact,
3249 type_var_decompact): Remove.
3251 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
3253 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
3256 2006-12-01 Richard Guenther <rguenther@suse.de>
3259 * dwarf2out.c (struct pubname_struct): Make name const.
3260 (add_pubtype): Do not xstrdup identifiers.
3262 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
3264 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
3265 multiword accesses are in range.
3267 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
3269 PR tree-optimization/29921
3270 * tree-ssa-ccp.c (canonicalize_float_value): New function.
3271 (set_lattice_value): Use canonicalize_float_value.
3273 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
3275 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
3276 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
3277 (spu_cpu_cpp_builtins): Remove.
3278 (spu_override_options): Don't set warn_main.
3279 (spu_force_reg): Move from spu-c.c.
3280 (spu_check_builtin_parm): Likewise.
3281 (expand_builtin_args): Likewise.
3282 (spu_expand_builtin_1): Likewise.
3283 (spu_expand_builtin): Likewise.
3284 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
3285 warn_main and targetm.resolve_overloaded_builtin.
3286 * config/spu/spu-c.c (spu_builtin_range): Remove.
3287 (spu_check_builtin_parm): Remove.
3288 (expand_builtin_args): Remove.
3289 (spu_expand_builtin_1): Remove.
3290 (spu_expand_builtin): Remove.
3291 (spu_cpu_cpp_builtins): Moved from spu.c
3292 (spu_force_reg): Remove.
3294 2006-12-01 Joseph Myers <joseph@codesourcery.com>
3295 David Edelsohn <edelsohn@gnu.org>
3298 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
3299 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
3300 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
3301 HARD_REGNO_NREGS_WITH_PADDING): Define.
3302 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
3303 HARD_REGNO_NREGS_WITH_PADDING): Define.
3304 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
3305 Use new macros to detect modes with holes; do not look at integer
3307 (subreg_offset_representable_p): Check for and disallow cases
3308 where the modes use different numbers of bits from registers.
3309 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
3310 constant for soft-float.
3311 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
3313 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
3314 in E500 double case.
3315 * config/rs6000/rs6000.md (movtf): Allow soft-float.
3316 (movtf_softfloat): New.
3318 2006-11-30 Richard Sandiford <richard@codesourcery.com>
3320 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
3321 simplify_gen_subreg.
3323 2006-11-30 Andrew Macleod <amacleod@redhat.com>
3325 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
3326 (COALESCE_HASH_FN): New. Define hash function.
3327 (partition_pair_map_hash): New. Hash value for a partition pair.
3328 (partition_pair_map_eq): New. Equality for hash pairs.
3329 (create_coalesce_list): Create hash table.
3330 (delete_coalesce_list): Free hash table.
3331 (find_partition_pair): Find/create pairs in hash table.
3332 (compare_pairs): Sort pairs in ascending order now.
3333 (num_coalesce_pairs): New. Number of pairs in hash table.
3334 (struct partition_pair_iterator): Iterator struct for pair table.
3335 (first_partition_pair): Iterator function for first pair.
3336 (end_partition_pair_p): Iterator function for end of iteration.
3337 (next_partition_pair): Iterator function for next pair.
3338 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
3339 (sort_coalesce_list): Sort pairs from hash table into an array.
3340 (pop_best_coalesce): Take pairs from the array.
3341 (dump_coalesce_list): Update to use hash table or sorted array.
3342 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
3343 (struct coalesce_list_d): Add hash table related fields.
3345 2006-11-30 Jan Hubicka <jh@suse.cz>
3348 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
3349 memmove/bcopy->memcpy conversion.
3351 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
3353 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
3354 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
3355 Default is the largest alignment supported for 32-bit ELF and
3356 representable on a 32-bit host.
3358 2006-11-30 Janis Johnson <janis187@us.ibm.com>
3360 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
3362 2006-11-30 Jan Hubicka <jh@suse.cz>
3364 * tree-ssa-operands.h (struct ssa_operands): New.
3365 * tree-flow-inline.h (gimple_ssa_operands): New function.
3366 * tree-flow.h: (struct gimple_df): Add ssa_operands.
3367 * Makefile.in: Remove gt-tree-ssa-operands.h
3368 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
3369 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
3370 operand_memory, operand_memory_index, ops_active): Remove statics.
3371 (ALLOC_OPTYPE): Update.
3372 (operand_build_sort_virtual): Update.
3373 (ssa_operands_active): Update.
3374 (init_ssa_operands): Update.
3375 (fini_ssa_operands): Update.
3376 (ssa_operand_alloc): Update.
3377 (INITIALIZE_USE): Update.
3378 (finalize_ssa_use_ops): Update.
3379 (finalize_ssa_v_may_def_ops): Update.
3380 (finalize_ssa_vuse_ops): Update.
3381 (finalize_ssa_v_must_def_ops): Update.
3383 2006-11-30 Richard Guenther <rguenther@suse.de>
3385 * tree-vectorizer.h (vectorizable_function): Export.
3386 * tree-vect-transform.c (vectorizable_function): Likewise.
3387 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
3388 type_in to scalar type in recognition of squaring.
3389 Make sure the target can vectorize sqrt in recognition
3390 of sqrt, set type_in to vector type in this case.
3392 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3394 * config/i386/i386.md (R10_REG): New constant.
3395 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
3396 (ix86_emit_restore_regs_using_mov): Ditto.
3397 (ix86_expand_call): Ditto.
3398 (x86_output_mi_thunk): Ditto. Also use R10_REG.
3400 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3402 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
3403 * alias.c (canon_true_dependence): Update comment.
3405 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3407 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
3408 at the end of a diagnostics message.
3410 * alloc-pool.c (pool_free): Postpone clearing the pool entry
3411 until after asserting that it was allocated in the right pool.
3413 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
3414 successor edge information as well. Make output of live regs
3415 on exit consistent with live regs on entry.
3417 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3420 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
3421 insn patterns for TARGET_80387.
3422 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
3423 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
3424 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
3425 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
3426 Generate truncxf<mode>2 insn patterns for strict SSE math.
3428 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3430 * config/i386/i386.md (movsf_1): Enable pattern for standard
3431 80387 constants before reload when optimizing for size.
3432 (*movdf_nointeger, *movdf_integer): Ditto.
3433 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
3434 80387 constants before reload when not optimizing for size.
3436 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
3437 extension of XFmode input operands.
3439 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3441 * config/spu/crt0.c (__dso_handle): Define.
3443 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
3445 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
3446 when clearing the used flags.
3448 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3450 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
3452 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3455 * config/spu/spu.md (extend_compare<mode>): New pattern.
3456 (extend_compare): Change to expand and use the above pattern.
3458 2006-11-29 Janis Johnson <janis187@us.ibm.com>
3460 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
3462 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
3463 (DFP_INIT_ROUNDMODE): Define.
3464 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
3465 * mklibgcc.in: Fix dependencies for dfp-bit.c.
3467 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
3469 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
3470 Update documentation.
3471 (associate_line_notes_with_blocks): Kill.
3472 (extend_bb): Remove basic block argument, put void instead.
3473 Remove line number handling for each bb.
3474 (save_line_notes): Kill.
3475 (restore_line_notes): Kill.
3476 (sched_init): Remove line_note_head initialization.
3477 Change extend_bb call.
3478 (sched_finish): Remove free of line_note_head.
3479 (add_block): Change extend_bb call.
3480 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
3481 rm_line_notes and restore_line_notes calls.
3482 (schedule_ebbs): Remove rm_redundant_line_notes.
3483 * sched-int.h (struct haifa_insn_data): Remove line_note.
3484 (save_line_notes): Remove declaration.
3485 (restore_line_notes): Remove declaration.
3486 * modulo-sched.c (loop_canon_p): Update debug info printing
3487 by using insn locators instead of line note.
3488 (sms_schedule): Update debug info printing, by using insn
3489 locators instead of line note.
3490 * sched-rgn.c (debug_dependencies): Remove handling of case
3491 n>0 (line number), since it's a dead code.
3492 (schedule_region): Remove save_line_notes and
3493 restore_line_notes calls.
3495 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3497 * config/rs6000/predicates.md (gpc_reg_operand): Check
3498 invalid_e500_subreg.
3499 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
3500 SImode subregs of SPE vectors.
3501 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
3502 * jump.c (true_regnum): Require subregs to satisfy
3503 subreg_offset_representable_p.
3505 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
3506 Steven Bosscher <stevenb.gcc@gmail.com>
3508 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3509 since it no longer exists.
3511 2006-11-29 Duncan Sands <baldrick@free.fr>
3513 PR tree-optimization/23744
3514 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
3516 2006-11-29 Duncan Sands <baldrick@free.fr>
3518 PR tree-optimization/23744
3519 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3521 2006-11-29 Duncan Sands <baldrick@free.fr>
3523 PR tree-optimization/23744
3524 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3526 2006-11-29 Jie Zhang <jie.zhang@analog.com>
3528 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3530 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
3532 * sh.opt (minline-ic_invalidate): New option.
3533 (musermode): Adjust comment.
3534 * sh.c (sh_initialize_trampoline): Emit library call unless
3535 is set; if it is set, don't emit library call if we can use icbi
3537 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3538 icbi for TARGET_SH4_300.
3539 * t-sh (LIB1ASMFUNCS_CACHE): Set.
3540 * doc/invoke.texi: Document -minline-ic_invalidate; Update
3541 -musermode documentation.
3543 2006-11-29 Jim Tison <jtison@us.ibm.com>
3545 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3546 __gthread_recursive_mutex_init): Define.
3548 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3550 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3551 STRICT_ALIGNMENT and the type is more aligned than the saved
3552 registers, copy via a temporary.
3554 2006-11-28 Andrew Pinski <pinskia@gmail.com>
3557 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3560 2006-11-28 Bob Wilson <bob.wilson@acm.org>
3562 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3564 2006-11-28 Jan Hubicka <jh@suse.cz>
3566 Privatize SSA variables into gimple_df.
3567 * tree-flow-inline.h
3568 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3569 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3570 gimple_nonlocal_all): New accessors.
3571 (first_referenced_var): Update.
3572 (mark_stmt_modified): Update.
3573 (is_call_clobbered): Update.
3574 (mark_call_clobbered): Update.
3575 (clear_call_clobbered): Update.
3576 (mark_non_addressable): Update.
3577 * tree-vrp.c (get_value_range): Update.
3578 * tree-into-ssa.c (in_ssa_p): Kill.
3579 (get_default_def_for): Update.
3580 (rewrite_into_ssa): Update.
3581 * tree-complex.c (init_parameter_lattice_values): Update.
3582 (update_complex_assignment): Update.
3583 (update_parameter_components): Update.
3584 (expand_complex_libcall): Update.
3585 (expand_complex_operations_1): Update.
3586 * tree-tailcall.c (arg_needs_copy_p): Update.
3587 (add_virtual_phis): Update.
3588 (tree_optimize_tail_calls_1): Update.
3589 * tree-ssa-dse.c (memory_ssa_name_same): Update.
3590 * tree-ssa-copyrename.c
3591 (copy_rename_partition_coalesce): Update.
3592 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3593 * tree-ssa-propagate.c (set_rhs): Update.
3594 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3595 addressable_vars, global_var):Kill.
3596 (set_initial_properties): Update.
3597 (init_alias_info): Update.
3598 (finalize_ref_all_pointers): Update.
3599 (setup_pointers_and_addressables): Update.
3600 (maybe_create_global_var): Update.
3601 (create_global_var): Update.
3602 (dump_points_to_info): Update.
3603 * function.h (struct gimple_df): Forward declare.
3604 (struct function): Add GIMPLE_DF field.
3605 * gimplify.c (force_gimple_operand): Update.
3606 * tree-dfa.c (referenced_vars, default_defs): KIll.
3607 (make_rename_temp): Update.
3608 (dump_variable): Update.
3609 (referenced_var_lookup): Update.
3610 (referenced_var_check_and_insert): Update.
3611 (default_def): Rename to ...
3612 (gimple_default_def): ... this one; accept cfun argument.
3613 (set_default_def): Update.
3614 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3615 (cleanup_control_flow): Update.
3616 * tree-ssa-pre.c (compute_avail): Update
3617 * tree-ssa-live.c (calculate_live_on_entry): Update.
3618 * tree-ssa.c (verify_use): Update.
3619 (verify_call_clobbering): Update.
3620 (verify_call_clobbering): Update.
3621 (init_tree_ssa): Update.
3622 (delete_tree_ssa): Update.
3623 * tree-outof-ssa.c (coalesce_ssa_name): Update.
3624 (rewrite_out_of_ssa): Update.
3625 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3626 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3628 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3629 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3630 addressable_vars, aliases_computed_p): Kill.
3631 (default_def): Rename to...
3632 (gimple_default_def): ... this one.
3633 (defaule_def_fn): Kill.
3634 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3635 * tree-ssa-structalias.c (nonlocal_all): Kill.
3636 (get_constraint_exp_from_ssa_var): Update.
3637 (create_nonlocal_var): Update.
3638 (get_constraint_for): Update.
3639 (update_alias_info): Update.
3640 (find_global_initializers): Update.
3641 (intra_create_variable_infos): Update.
3642 (intra_create_variable_infos):
3643 (find_what_p_points_to): Update.
3644 (init_alias_heapvars): Update.
3645 * tree-cfg.c (remove_bb): Update.
3646 (gimplify_val): Update.
3647 * tree-ssa-reassoc.c (get_rank): Update.
3648 (init_reassoc): Update.
3649 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3650 (ssa_names, free_ssanames): Kill.
3651 (init_ssanames): Update.
3652 (make_ssa_name): Update.
3653 (release_ssa_name): Update.
3654 (release_defs): Update.
3655 (replace_ssa_name_symbol): Update.
3656 * tree-ssa-operands.c (access_can_touch_variable): Update.
3657 (add_virtual_operand): Update.
3658 (add_call_clobber_ops): Update.
3659 (add_call_read_ops): Update.
3660 (get_call_expr_operands): Update.
3661 (get_asm_expr_operands): Update.
3663 2006-11-28 Jan Hubicka <jh@suse.cz>
3665 * builtins.c: Include tree-flow.h.
3666 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3667 assignment; convert memmove to memcpy for sizes greater than 1 where
3668 alignment of operands prohibit the partial overlap.
3670 2006-11-28 Jan Hubicka <jh@suse.cz>
3672 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3673 * cgraph.c (dump_cgraph_node): Dump stack usage.
3674 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3675 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3676 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3677 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3678 (cgraph_check_inline_limits): Limit stack growth.
3679 * cfgexpand.c: Include tree-inline.h.
3680 (account_stack_vars): New function.
3681 (expand_one_var): New param to just account the stack; return estimated
3683 (expand_used_vars_for_block): Update call of expand_one_var.
3684 (account_used_vars_for_block): New function.
3685 (estimated_stack_frame_size): Likewise.
3686 (init_vars_expansion, fini_vars_expansion): Break out from..
3687 (expand_used_vars): ... here.
3688 * tree-inline.h (estimated_stack_frame_size): Declare.
3689 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3691 2006-11-28 Richard Guenther <rguenther@suse.de>
3693 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3694 unsigned long for printing OBJECT_SIZE.
3696 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3698 * alias.c (init_alias_analysis): Remove simplification loop
3699 after propagating pointers.
3701 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3703 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3706 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3708 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3710 2006-11-27 Roger Sayle <roger@eyesopen.com>
3711 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3713 * c-common.c (constant_fits_type_p): Delete.
3714 (unsigned_conversion_warning): Delete.
3715 (conversion_warning): Integrate Wconversion warning from
3716 unsigned_conversion_warning.
3717 (convert_and_check): Integrate Woverflow warning from
3718 unsigned_conversion_warning. Reorganize and simplify to avoid
3719 dependence upon the middle-end setting TREE_OVERFLOW on integral
3720 conversions, by using int_fits_type_p directly.
3722 2006-11-27 Tobias Burnus <burnus@net-b.de>
3724 * doc/invoke.texi: Fixed typo.
3726 2006-11-27 Michael Matz <matz@suse.de>
3727 Andreas Krebbel <krebbel1@de.ibm.com>
3730 * config/s390/predicates.md (larl_operand): Check addend of larl
3731 operand to be in range of -/+2GB.
3732 * config/s390/s390.c (legitimize_pic_address): Likewise.
3733 Changed type of variable even to HOST_WIDE_INT.
3735 2006-11-27 Jan Hubicka <jh@suse.cz>
3737 * expr.c (emit_block_move_via_libcall): Export.
3738 (clear_storage_via_libcall): Rename to ...
3739 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3740 (clear_storage): Update to set_storage_via_libcall.
3741 * expr.h (emit_block_move_via_libcall): Declare
3742 * config/i386/i386.h (stringop_alg): New enum.
3743 (MAX_STRINGOP_ALGS): New constant.
3744 (stringop_algs): New struct.
3745 (processor_costs): Add memcpy/memset descriptors.
3746 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3747 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3748 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3750 * config/i386/i386.opt (minline-stringops-dynamically,
3751 mstringop-strategy): New
3753 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3754 (ix86_expand-clrmem): Rename to ...
3755 (ix86_expand_setmem): ... this one; update prototype.
3756 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3757 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3758 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3759 nocona_cost, core2_cost, generic_cost, generic64_cost,
3760 generic32_cost): Add memcpy/memset descriptors.
3761 (x86_rep_movl_optimal): Remove.
3762 (stringop_alg): New static variable.
3763 (ix86_expand_aligntest): Handle predictions.
3764 (override_options): Add strgop_alg handling.
3765 (predict_jump): New function.
3766 (scale_counter): New function.
3767 (expand_set_or_movmem_via_loop): New function.
3768 (expand_movmem_via_rep_mov): New function.
3769 (expand_setmem_via_rep_stots): New function.
3770 (emit_strmov): New function.
3771 (expand_movmem_epilogue): New function.
3772 (expand_setmem_epilogue_via_loop): New function.
3773 (expand_setmem_epilogue): New function.
3774 (expand_movmem_prologue): New function.
3775 (expand_setmem_prologue): New function.
3776 (decide_alg): New function.
3777 (decide_alignment): New function.
3778 (ix86_exand_movmem): Rewrite.
3779 (promote_duplicated_reg): New function.
3780 (ix86_expand_clrmem): Rename to ...
3781 (ix86_expand_setmem): ... this one. Rewrite.
3783 * invoke.texi (minline-stringops-dynamically): New command line option.
3784 (mstringop-strategy): Likewise.
3786 2006-11-27 Jan Hubicka <jh@suse.cz>
3788 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3789 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3790 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3791 * insn-notes.def (FUNCTION_END): Remove.
3792 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3793 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3795 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3796 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3797 * cfglayout.c (duplicate_insn_chain): Don't worry about
3800 2006-11-27 Richard Guenther <rguenther@suse.de>
3801 Zdenek Dvorak <dvorakz@suse.cz>
3803 * target.h (struct gcc_target): Add builtin_vectorized_function
3805 * target-def.h (TARGET_VECTORIZE): Likewise.
3806 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3807 Document new target hook.
3808 * targhooks.h (default_builtin_vectorized_function): Declare.
3809 * targhooks.c (default_builtin_vectorized_function): Define.
3810 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3811 (vectorizable_call): Declare.
3812 * tree-vect-analyze.c (vect_analyze_operations): Call
3814 * tree-vect-transform.c (vectorizable_function): New static function.
3815 (build_vectorized_function_call): Likewise.
3816 (vectorizable_call): New function.
3817 (vect_transform_stmt): Handle vectorizable calls.
3819 2006-11-27 Richard Guenther <rguenther@suse.de>
3822 * builtins.c (expand_builtin_pow): Optimize non integer valued
3823 constant exponents using sqrt or cbrt if possible. Always fall back
3824 to expanding via optabs.
3826 2006-11-27 Ira Rosen <irar@il.ibm.com>
3828 PR tree-optimization/22372
3829 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3830 the type of the base address.
3831 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3832 it in the data-ref pointer creation.
3833 (vect_init_vector): Add an argument, type of the init vector. Use it in
3835 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3836 (get_initial_def_for_reduction): Likewise.
3837 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3839 (vectorizable_assignment, vect_permute_store_chain): Likewise.
3840 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3841 correct type in stmt creation.
3842 (vect_setup_realignment): Use the correct type in stmt creation.
3843 (vect_permute_load_chain): Change type of MODIFY_EXPR to
3845 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3846 of MODIFY_EXPR to void_type_node.
3847 (vectorizable_condition): Change type of MODIFY_EXPR to
3849 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3852 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3855 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3856 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3857 standard 80387 constants, raise the cost to prevent
3858 compress_float_constant() to generate load from memory.
3860 * config/i386/i386.md: Add new splitter pattern to split
3861 float_extended load of constant from constant pool into
3864 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3866 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3867 section to general section. Remove documentation for
3868 --with-mpfr-dir and --with-gmp-dir, add documentation for
3869 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3872 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3874 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3876 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3878 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3880 PR tree-optimization/29122
3881 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3882 for the new version. Assign NULL to DECL_RTL of the new version.
3884 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3886 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3888 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3890 * cse.c (cse_altered): Remove.
3891 (record_jump_equiv): Make true/false argument a bool instead
3893 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3894 where appropriate. Emit a new jump before the existing one
3895 instead of after so that delete_insn_and_edges removes the
3896 dead edges properly. Check any_condjump_p before calling
3898 (cse_basic_block): Check any_condjump_p before calling
3900 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3902 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3904 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3905 -ffixed-line-length-* options.
3907 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3909 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3910 (fprem1xf4): Rename to fprem1xf4_i387.
3912 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3913 Rename patterns to fmod<mode>3. Use general_operand operand
3914 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3915 patterns for SSE math.
3916 (remaindersf3, remainderdf3): Ditto.
3918 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3920 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3921 inside start_sequence / end_sequence pair.
3923 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3925 * jump.c (mark_all_labels): Work in cfglayout mode.
3926 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3927 when in cfglayout mode, because there are no dead jumptables
3929 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3931 (commit_edge_insertions): Do not allow insertion of instructions
3932 with control flow insns when in cfglayout mode.
3934 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3936 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3938 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3939 unswitch_loop): Ditto.
3940 * tree-loop-linear.c (linear_transform_loops): Ditto.
3941 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3942 tree_ssa_lim): Ditto.
3943 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3944 free_numbers_of_iterations_estimates): Ditto.
3945 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3946 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3947 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3948 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3949 place_new_loop, duplicate_loop, duplicate_subloops,
3950 update_single_exit_for_duplicated_loops, copy_loops_to,
3951 duplicate_loop_to_header_edge, create_preheaders,
3952 force_single_succ_latches, loop_version, fix_loop_structure):
3954 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3955 tree_unroll_loop): Ditto.
3956 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3957 * tree-scalar-evolution.c (select_loops_exit_conditions,
3958 scev_initialize, scev_analysis): Ditto.
3959 * tree-scalar-evolution.h (scev_initialize): Ditto.
3960 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3961 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3962 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3963 * modulo-sched.c (sms_schedule): Ditto.
3964 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3965 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3966 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3967 * ifcvt.c (if_convert): Ditto.
3968 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3969 canonicalize_loop_induction_variables,
3970 canonicalize_induction_variables,
3971 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3972 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3973 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3974 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3975 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3976 tree_ssa_loop_done): Ditto.
3977 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3978 estimate_bb_frequencies): Ditto.
3979 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3980 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3981 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3982 decide_unrolling_and_peeling, peel_loop_completely,
3983 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3984 peel_loop_simple, unroll_loop_stupid): Ditto.
3985 * loop-doloop.c (doloop_optimize_loops): Ditto.
3986 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3987 * loop-invariant.c (move_loop_invariants): Ditto.
3988 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3989 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3990 tree_ssa_prefetch_arrays): Ditto.
3991 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3993 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3994 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3995 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3996 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3997 verify_loop_structure): Ditto.
3998 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3999 canonicalize_induction_variables, tree_unroll_loops_completely,
4000 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
4001 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
4002 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
4003 tree_unroll_loop, linear_transform_loops): Declaration changed.
4004 * basic-block.h: Remove declaration of struct loops.
4005 * cfghooks.h (struct cfg_hooks): Change type of
4006 cfg_hook_duplicate_loop_to_header_edge.
4007 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
4008 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
4009 vect_transform_loop): Declaration changed.
4010 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
4011 * cfgloop.h (flow_loops_dump, fix_loop_structure,
4012 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
4013 cancel_loop_tree, create_preheaders, force_single_succ_latches,
4014 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
4015 loopify, loop_version, remove_path, unswitch_loops,
4016 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
4017 Declaration changed.
4019 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
4021 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
4022 (X87MODEF): New mode macro.
4023 (ssemodefsuffix): New mode attribute.
4024 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
4025 (sqrt_extend<mode>xf2_i387): New insn pattern.
4026 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
4027 insn and truncate result back to original mode using
4028 UNSPEC_TRUNC_NOOP truncation.
4029 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
4030 ssemodefsuffix mode attribute.
4031 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
4032 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
4033 (*sqrtextenddfxf2_i387): Remove insn patterns.
4035 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
4036 truncation patterns.
4038 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
4040 2006-11-24 Jakub Jelinek <jakub@redhat.com>
4043 * c-tree.h (c_maybe_initialize_eh): New prototype.
4044 * c-decl.c (finish_decl): Move EH initialization...
4045 (c_maybe_initialize_eh): ... here. New function.
4046 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
4047 if not #pragma omp atomic.
4050 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
4051 or UNION_TYPE inner types.
4053 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
4056 * ipa-pure-const.c (check_tree): If the original tree
4057 is volatile return early and say the function is not pure
4058 nor const. Remove the volatile check for writes.
4059 (analyze_function): Print out the result of the local
4062 2006-11-24 Joseph Myers <joseph@codesourcery.com>
4064 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
4066 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
4067 * config/rs6000/rs6000.c (rs6000_override_options): Use
4068 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
4071 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
4073 * config/s390.c (s390_emit_compare_and_swap): New function.
4074 (s390_expand_cs_hqi, s390_expand_atomic): Call
4075 s390_emit_compare_and_swap.
4077 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4079 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
4081 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4085 * c-common.c (conversion_warning): New.
4086 (convert_and_check): Call conversion_warning unless there is an
4088 * doc/invoke.texi (-Wconversion): Update description.
4090 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
4092 * tree-ssa-alias.c (tree_pointer_compare): New function.
4093 (compact_name_tags): New function.
4094 (group_aliases): Call compact_name_tags.
4096 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4098 * real.h (real_isinteger): Declare.
4099 * real.c (real_isinteger): Define.
4100 * builtins.c (integer_valued_real_p): Use it.
4102 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4105 * c.opt (Wtraditional-conversion): New.
4106 (Wconversion): Update description.
4107 * c-typeck.c (convert_arguments): Warnings for prototypes causing
4108 type conversions different from what would happen in the absence
4109 of prototype are now handled by Wtraditional-conversion.
4110 * doc/invoke.texi (Wtraditional-conversion): New.
4111 (Wconversion): Update description.
4112 * doc/trouble.texi (Wconversion): Replace Wconversion by
4113 Wtraditional-conversion.
4115 2006-11-23 Andrew Pinski <pinskia@gmail.com>
4117 * predict.c (tree_estimate_probability): Check to make
4118 sure current_loops is non null before calling flow_loops_dump.
4120 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
4122 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
4124 2006-11-23 David Ung <davidu@mips.com>
4126 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
4128 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
4129 (ASM_SPEC): Pass along -mfp32 and -mfp64.
4130 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
4131 high part of FP register when in 64-bit FP register mode. Similarly
4132 use gen_mfhc1 to load high part of FP register.
4133 (override_options): Allow -mgp32 and -mfp64 combination if
4134 ISA_HAS_MXHC1 (currently for O32 only).
4135 (mips_cannot_change_mode_class): If floating-point registers are
4136 bigger than word size. disallow conversion of float register from a
4137 large integer mode to a float mode smaller than the float register
4139 (mips_class_max_nregs): Handle float registers case seperately.
4140 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
4142 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
4143 (movdf_hardfloat_32bit): Similarly.
4144 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
4145 support a full 64-bit fpu.
4146 (mthc1): New pattern to generate MTHC1 instruction.
4147 (mfhc1): New pattern to generate MFHC1 instruction.
4148 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
4149 option for the MIPS32R2 and mention its use under O32 ABI.
4151 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
4153 * var-tracking.c (emit_note_insn_var_location): Take care not to
4154 cause verify_flow_info failures.
4156 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
4158 * tree-ssa-structalias.c: Remove edge weights in favor of just
4159 processing them as complex constraints.
4160 (struct constraint_graph): Remove weighted succs and preds. Rename
4161 nonweighted succs and preds.
4162 (constraint_edge): Removed.
4163 (constraint_edge_t): Ditto.
4164 (constraint_edge_pool): Ditto.
4165 (new_constraint_edge): Ditto.
4166 (constraint_edge_equal): Ditto.
4167 (constraint_edge_less): Ditto.
4168 (constraint_edge_vec_find): Ditto.
4169 (erase_self_graph_edge): Ditto.
4170 (add_graph_edge): Removed.
4171 (get_graph_weights): Ditto.
4172 (allocate_graph_weights): Ditto.
4173 (valid_weighted_graph_edge): Ditto
4174 (bitmap_other_than_zero_bit_set): Ditto.
4175 (int_add_graph_edge): Renamed to add_graph_edge.
4176 (clear_edges_for_node): Remove support for weighted edges.
4177 (merge_graph_nodes): Ditto.
4178 (valid_graph_edge): Ditto.
4179 (build_constraint_graph): Ditto.
4181 (collapse_nodes): Ditto.
4182 (process_unification_queue): Ditto.
4183 (topo_visit): Ditto.
4184 (do_ds_constraint): Ditto.
4185 (perform_var_subsitution): Ditto.
4186 (solve_graph): Ditto.
4187 (init_alias_vars): Ditto.
4188 (delete_points_to_sets): Ditto.
4189 (do_complex_constraint): Support offsetted copies here.
4191 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
4193 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
4195 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
4197 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
4200 2006-11-23 Ben Elliston <bje@au.ibm.com>
4202 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
4204 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
4206 PR tree-optimization/29921
4207 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
4208 signed and unsigned zero equal.
4210 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
4212 * config/rs6000/rs6000.c (get_store_dest): New.
4213 (adjacent_mem_locations): Use get_store_dest() to get
4214 the rtl of the store destination.
4216 2006-11-22 Joseph Myers <joseph@codesourcery.com>
4218 * config/rs6000/spe.md (SPE64): New mode macro.
4219 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
4221 (mov_si<mode>_e500_subreg0_2): New.
4222 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
4224 (mov_si<mode>_e500_subreg4_2): New.
4225 * config/rs6000/predicates.md (input_operand): Do not allow
4226 invalid E500 subregs.
4227 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
4229 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
4230 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
4231 involving vector modes if TARGET_SPE.
4233 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
4236 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4237 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4239 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
4241 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
4242 mem_i_address_operand): New predicates.
4243 * config/bfin/bfin.c (bfin_issue_rate): New function.
4244 (TARGET_SCHED_ISSUE_RATE): New macro.
4245 * config/bfin/bfin.md (addrtype): New attribute.
4246 (slot0, slot1, slot2, store, pregs): New cpu_units.
4247 (core): Now a define_reservation.
4248 (alu): Remove some insn types from this reservation.
4249 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
4251 (dummy reservation): Don't trigger for mcld insns.
4252 (absence_sets): Two new absence sets to enforce slot ordering.
4253 (popsi_insn): Set addrtype.
4255 2006-11-22 Ira Rosen <irar@il.ibm.com>
4257 * doc/c-tree.texi: Document new tree codes.
4258 * doc/md.texi: Document new optabs.
4259 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
4261 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
4262 * optabs.h (optab_index): Add new.
4263 (vec_extract_even_optab, vec_extract_odd_optab,
4264 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
4265 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
4266 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
4268 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
4269 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4270 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
4271 along with macros for their access.
4272 * tree-data-ref.h (first_location_in_loop, data_reference): Update
4274 * tree-vect-analyze.c (toplev.h): Include.
4275 (vect_determine_vectorization_factor): Fix indentation.
4276 (vect_insert_into_interleaving_chain,
4277 vect_update_interleaving_chain, vect_equal_offsets): New functions.
4278 (vect_analyze_data_ref_dependence): Add argument for interleaving
4279 check. Check for interleaving if it's true.
4280 (vect_check_dependences): New function.
4281 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
4282 every ddr. Call vect_analyze_data_ref_dependence with new argument.
4283 (vect_update_misalignment_for_peel): Update for interleaving.
4284 (vect_verify_datarefs_alignment): Check only first data-ref for
4286 (vect_enhance_data_refs_alignment): Update for interleaving. Check
4287 only first data-ref for interleaving.
4288 (vect_analyze_data_ref_access): Check interleaving, update
4290 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
4291 with different parameters.
4292 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
4293 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
4294 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
4295 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
4296 Update step in case of interleaving.
4297 (vect_strided_store_supported, vect_permute_store_chain): New
4299 (vectorizable_store): Handle strided stores.
4300 (vect_strided_load_supported, vect_permute_load_chain,
4301 vect_transform_strided_load): New functions.
4302 (vectorizable_load): Handle strided loads.
4303 (vect_transform_stmt): Add argument. Handle strided stores. Check
4304 that vectorized stmt exists for patterns.
4305 (vect_gen_niters_for_prolog_loop): Update calculation for
4307 (vect_transform_loop): Remove stmt_vec_info for strided stores after
4308 whole chain vectorization.
4309 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
4310 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
4311 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
4312 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
4313 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
4315 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
4317 * cse.c (enum taken): Remove PATH_AROUND.
4318 (addr_affects_sp_p, invalidate_skipped_set,
4319 invalidate_skipped_block): Remove.
4320 (cse_end_of_basic_block): Remove skip_blocks and related code.
4321 (cse_main): Don't test for flag_cse_skip_blocks.
4322 Update cse_end_of_basic_block call.
4323 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
4324 code to lengthen the path if a jump was simplified.
4326 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4328 PR rtl-optimization/29924
4329 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
4330 (unroll_loop_runtime_iterations): Assert that the argument passed to
4331 split_edge_and_insert is not NULL.
4332 * loop-doloop.c (add_test): Ditto.
4334 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4336 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
4338 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
4339 * cfgloopmanip.c (update_single_exits_after_duplication,
4340 update_single_exit_for_duplicated_loop, loop_version): Ditto.
4341 * tree-scalar-evolution.c (get_loop_exit_condition,
4342 get_exit_conditions_rec, loop_closed_phi_def,
4343 number_of_iterations_in_loop, scev_const_prop): Ditto.
4344 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
4345 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
4347 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4349 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4350 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
4351 slpeel_make_loop_iterate_ntimes,
4352 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
4353 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4355 * tree-if-conv.c (if_convertible_loop_p): Ditto.
4356 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
4357 vect_analyze_loop_form): Ditto.
4358 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
4359 can_convert_to_perfect_nest, perfect_nestify): Ditto.
4360 * tree-vect-transform.c (vect_create_epilog_for_reduction,
4361 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4362 vect_transform_loop): Ditto.
4363 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
4364 (single_exit, set_single_exit): New functions.
4365 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
4366 (single_exit, set_single_exit): Declare.
4367 * doc/loop.texi: Undocument single_exit field. Document single_exit
4370 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4372 PR tree-optimization/29902
4373 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
4374 any involved ssa name appears in abnormal phi node.
4376 2006-11-21 Bob Wilson <bob.wilson@acm.org>
4378 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
4379 (xtensa_const_ok_for_letter_p): Delete.
4380 (xtensa_extra_constraint): Delete.
4381 (override_options): Delete xtensa_char_to_class initialization.
4382 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
4383 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4384 (EXTRA_CONSTRAINT): Delete.
4385 * config/xtensa/xtensa.md: Include constraints.md.
4386 (call_internal): Combine alternatives.
4387 (call_value_internal): Likewise, and remove invalid constraints.
4388 * config/xtensa/constraints.md: New file.
4389 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
4390 (xtensa_extra_constraint): Delete.
4391 * doc/md.texi (Machine Constraints): Refer to constraints.md for
4394 2006-11-21 Janis Johnson <janis187@us.ibm.com>
4396 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
4397 of conversion that doesn't fit.
4399 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
4400 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
4401 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
4403 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
4405 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
4407 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
4409 2006-11-21 Richard Guenther <rguenther@suse.de>
4411 * tree-vectorizer.h (NUM_PATTERNS): Increase.
4412 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
4413 vect_recog_pow_pattern.
4414 (vect_recog_pow_pattern): New function.
4416 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
4418 * config/bfin/bfin.opt (mstack-check-l1): New.
4419 * doc/invoke.texi (Blackfin Options): Document it.
4420 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
4421 stack bounds in L1 memory if the new option is enabled.
4422 (override_options): Don't allow combinations of -fstack-limit and
4424 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
4427 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
4429 (bfin_register_move_cost): Bump costs if trying to move plain
4430 integer values through accumulators.
4432 2006-11-21 Ben Elliston <bje@au.ibm.com>
4434 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
4436 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
4437 Russell Olsen <Russell_Olsen@playstation.sony.com>
4438 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
4439 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
4440 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
4441 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
4442 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4444 * config.gcc: Add target for SPU.
4445 * config/spu/constraints.md: New file.
4446 * config/spu/crt0.c: New file.
4447 * config/spu/crtend.c: New file.
4448 * config/spu/crti.asm: New file.
4449 * config/spu/crtn.asm: New file.
4450 * config/spu/float_unsdidf.c: New file.
4451 * config/spu/float_unssidf.c: New file.
4452 * config/spu/predicates.md: New file.
4453 * config/spu/spu-builtins.def: New file.
4454 * config/spu/spu-builtins.h: New file.
4455 * config/spu/spu-builtins.md: New file.
4456 * config/spu/spu-c.c: New file.
4457 * config/spu/spu-elf.h: New file.
4458 * config/spu/spu-modes.def: New file.
4459 * config/spu/spu-protos.h: New file.
4460 * config/spu/spu.c: New file.
4461 * config/spu/spu.h: New file.
4462 * config/spu/spu.md: New file.
4463 * config/spu/spu.opt: New file.
4464 * config/spu/spu_internals.h: New file.
4465 * config/spu/spu_intrinsics.h: New file.
4466 * config/spu/spu_mfcio.h: New file.
4467 * config/spu/t-spu-elf: New file.
4468 * config/spu/vec_types.h: New file.
4469 * config/spu/vmx2spu.h: New file.
4470 * doc/contrib.texi: Document SPU contributor.
4471 * doc/extend.texi: Document SPU extensions.
4472 * doc/invoke.texi: Document SPU options.
4473 * doc/md.texi: Document SPU constraints.
4475 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4477 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
4479 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4481 (flow_loop_dump): Do not dump loop level.
4482 (flow_loops_find): Do not call flow_loops_level_compute.
4483 * cfgloop.h (struct loop): Remove level field.
4485 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4487 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
4488 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
4489 Use vector of edges instead of array.
4490 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
4491 estimate_numbers_of_iterations_loop): Ditto.
4492 * predict.c (predict_loops): Ditto.
4493 * loop-unroll.c (analyze_insns_in_loop): Ditto.
4494 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
4496 * basic-block.h: Declare heap allocation for edge vectors.
4497 * tree-outof-ssa.c: Ditto.
4498 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
4499 * cfgloop.h (get_loop_exit_edges): Declaration changed.
4501 2006-11-20 Zack Weinberg <zackw@panix.com>
4503 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
4504 Add another out parameter, "skip".
4505 (set_gc_used_type): Adjust calls to process_gc_options. If a field
4506 is tagged "skip", do not mark its type used.
4508 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4511 * tree-sra.c (single_scalar_field_in_record_p): New function.
4512 (decide_block_copy): Use it.
4514 2006-11-20 David Daney <ddaney@avtrex.com>
4516 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4517 PC to point to following instruction.
4519 2006-11-20 Anatoly Sokolov <aesok@post.ru>
4523 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4525 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4527 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
4529 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4530 Add sh/superh.h to tm_file.
4532 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
4533 Mark Mitchell <mark@codesourcery.com>
4535 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4537 (cpp_relocated): New function.
4538 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4540 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4541 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4542 replace configured prefix with gcc_exec_prefix.
4544 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
4546 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4547 bfin_legitimate_constant_p.
4548 * config/bfin/bfin.md (movsi expander): Check return value of
4550 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4551 (expand_move): Adjust prototype.
4552 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
4553 invalid constants specially.
4554 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4556 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4558 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4559 sibcall_value_symbol): Allow these patterns if
4560 TARGET_LEAF_ID_SHARED_LIBRARY.
4561 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4562 (override_options): Turn on id shared library flags if -msep-data,
4563 but disallow the combination of these options on the command line.
4564 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4565 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4566 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4567 -mid-shared-library.
4568 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4569 * doc/invoke.texi (Blackfin Options): Document new switches.
4571 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4572 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4574 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4575 inflate costs for addresses with an out-of-bounds address.
4577 2006-11-19 Andrew Pinski <pinskia@gmail.com>
4580 * fwprop.c (loops): Remove.
4581 (forward_propagate_into): Use current_loops instead of
4583 (fwprop_init): Call loop_optimizer_init instead of
4585 (fwprop_done): Call loop_optimizer_finalize instead of
4587 (fwprop): Use current_loops instead of loops.
4589 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
4592 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4594 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4597 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4598 larger than BITS_PER_WORD.
4600 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4604 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4605 to MAX_FIXED_MODE_SIZE.
4607 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4609 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4610 (fold_builtin_fmin_fmax): New.
4611 (fold_builtin_1): Use it.
4613 * fold-const.c (fold_strip_sign_ops): Handle copysign.
4615 2006-11-18 Richard Guenther <rguenther@suse.de>
4617 * config/i386/i386.c (ix86_builtins): New array for ix86
4618 builtin function decls.
4619 (def_builtin): New function.
4620 (def_builtin_const): Likewise.
4621 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4623 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
4625 * doc/invoke.texi (core2): Add item.
4627 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4629 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4630 (TARGET_CPU_DEFAULT_generic): Change value.
4631 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4632 (processor_type): Add new constant PROCESSOR_CORE2.
4634 * config/i386/i386.md (cpu): Add core2.
4636 * config/i386/i386.c (core2_cost): New initialized variable.
4637 (m_CORE2): New macro.
4638 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4639 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4640 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4641 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4642 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4643 x86_accumulate_outgoing_args, x86_prologue_using_move,
4644 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4645 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4646 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4647 x86_pad_returns): Add m_CORE2.
4648 (override_options): Add entries for Core2.
4649 (ix86_issue_rate): Add case for Core2.
4651 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4653 * doc/invoke.texi: Fix mno-isel typo.
4655 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4657 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4658 easy vector constant loads.
4660 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4662 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4663 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4664 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4665 * config/rs6000/sync.md (lwsync): Emit plain sync if
4668 2006-11-17 DJ Delorie <dj@redhat.com>
4670 * reload1.c (reloads_unique_chain): New.
4671 (reloads_conflict): Call it.
4673 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4675 * config/xtensa/predicates.md (addsubx_operand): New.
4676 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4677 (xtensa_emit_bit_branch): New.
4678 (xtensa_emit_movcc): New.
4679 * config/xtensa/xtensa.md (any_minmax): New code macro.
4680 (minmax): New code attribute.
4681 (any_cond, any_scc, any_scc_sf): New code macros.
4682 (*addx2, *addx4, *addx8): Delete.
4684 (*subx2, *subx4, *subx8): Delete.
4686 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4687 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4688 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4689 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4690 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4691 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4692 (movsfcc_internal0, movsfcc_internal1): Likewise.
4693 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4694 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4695 (xtensa_emit_bit_branch): New.
4696 (xtensa_emit_movcc): New.
4697 (function_arg_boundary): Add missing prototype.
4699 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4701 * config/xtensa/xtensa.md (tstsi): Delete
4703 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4705 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4707 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4709 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4711 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4713 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4715 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4717 * tree-vrp.c (execute_vrp): Do not update current_loops.
4718 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4719 * doc/loop.texi: Remove documentation for cancelled functions.
4720 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4721 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4723 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4724 (remove_path): Ensure that in delete_basic_blocks, the loops
4725 are still allocated.
4726 (add_loop): Work on valid loop structures.
4727 (loopify): Modify call of add_loop.
4728 (mfb_update_loops): Removed.
4729 (create_preheader): Do not update loops explicitly.
4730 (force_single_succ_latches, loop_version): Do not use
4731 loop_split_edge_with.
4732 (loop_split_edge_with): Removed.
4733 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4734 Do not use bsi_insert_on_edge_immediate_loop.
4735 (split_loop_exit_edge, tree_unroll_loop): Do not use
4736 loop_split_edge_with.
4737 (bsi_insert_on_edge_immediate_loop): Removed.
4738 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4739 use loop_split_edge_with.
4740 * cfghooks.c: Include cfgloop.h.
4741 (verify_flow_info): Verify that loop_father is filled iff current_loops
4743 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4744 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4746 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4748 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4749 loop_split_edge_with.
4750 (sms_schedule): Use current_loops.
4751 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4752 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4754 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4755 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4756 * ifcvt.c (if_convert): Ditto.
4757 * predict.c (predict_loops): Do not clear current_loops.
4758 (tree_estimate_probability): Use current_loops.
4759 (propagate_freq): Receive head of the region to propagate instead of
4761 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4762 (estimate_loops): New function. Handle case current_loops == NULL.
4763 (estimate_bb_frequencies): Do not allocate tovisit. Use
4765 * tree-ssa-loop.c (current_loops): Removed.
4766 (tree_loop_optimizer_init): Do not return loops.
4767 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4768 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4769 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4770 Do not update loops explicitly.
4771 * function.h (struct function): Add x_current_loops field.
4772 (current_loops): New macro.
4773 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4774 * loop-unroll.c (split_edge_and_insert): New function.
4775 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4776 use loop_split_edge_with.
4777 * loop-doloop.c (add_test, doloop_modify): Ditto.
4778 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4779 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4780 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4781 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4783 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4784 (flow_loops_free): Do not free dfs_order and rc_order.
4785 (flow_loops_find): Do not set dfs_order and rc_order in loops
4786 structure. Do not call loops and flow info verification.
4787 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4788 already belongs to some loop.
4789 * cfgloop.h (struct loops): Remove struct cfg.
4790 (current_loops, loop_split_edge_with): Declaration removed.
4791 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4792 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4793 Declaration removed.
4794 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4795 * basic-block.h (split_edge_and_insert): Declare.
4796 * tree-cfg.c (remove_bb): Do not update loops explicitly.
4798 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4800 PR tree-optimization/29801
4801 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4802 (get_default_value): Use get_symbol_constant_value.
4803 (set_lattice_value): ICE when the value of the constant is
4805 (visit_assignment): Ignore VDEFs of read-only variables.
4807 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4809 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4811 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4812 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4814 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4816 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4817 select subvars of var.
4819 2006-11-17 Jakub Jelinek <jakub@redhat.com>
4822 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4823 optimize if DEF doesn't have integral type.
4825 2006-11-16 Mike Stump <mrs@apple.com>
4827 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4828 pre-darwin9 system, unless the user asks for it directly.
4829 (PREFERRED_DEBUGGING_TYPE): Likewise.
4830 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4831 * config.gcc: Add suppport for darwin9.h.
4832 * config/darwin9.h: Add.
4833 * doc/install.texi (Specific): Clarify darwin documentation.
4835 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4837 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4838 optimizing for size.
4840 2006-11-16 Mike Stump <mrs@apple.com>
4842 * Makefile.in (targhooks.o): Add $(OPTABS_H).
4844 2006-11-16 Dirk Mueller <dmueller@suse.de>
4846 * tree-vrp.c (get_value_range): Use XCNEW instead
4848 (insert_range_assertions): Use XCNEWVEC instead
4849 of XNEWVEC and memset.
4850 (vrp_initialize): Same.
4851 (vrp_finalize): Same.
4852 * tree-ssa-ccp.c (ccp_initialize): Same.
4853 * predict.c (tree_bb_level_predictions): Same.
4854 * calls.c (expand_call): Same.
4855 * tree-ssa-copy.c (init_copy_prop): Same.
4856 (fini_copy_prop): Same.
4857 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4858 of GGC_NEW and memset.
4860 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4863 * gimplify.c (gimplify_expr): Only force a load for references to
4864 non-BLKmode volatile values.
4865 * doc/implement-c.texi (Qualifiers implementation): Document the
4866 interpretation of what a volatile access is.
4867 * doc/extend.texi (C++ Extensions): Rework same documentation.
4869 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4871 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4874 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4876 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4878 (arm_neg_abssi2): Renamed from neg_abssi2.
4879 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4881 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4883 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4884 number of arguments passed to local functions in SSE registers is 3.
4886 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4887 number of arguments passed in SSE registers to 3.
4889 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4892 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4894 (get_last_bb_insn): ... new global function.
4895 (basic_block.h): Declare it.
4896 * haifa-sched.c (create_recovery_block): Use it.
4898 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4901 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4903 2006-11-15 Paul Brook <paul@codesourcery.com>
4905 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4906 _Unwind_GetTextRelBase): Move from here ...
4907 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4908 _Unwind_GetTextRelBase): ... To here.
4910 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4912 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4913 addresses we generate for testing are aligned.
4915 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4918 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4919 to what is the const decl is a place holder for.
4921 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4923 * config/i386/i386.opt: New target option -mx87regparm.
4925 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4926 and float_in_x87 variables. mmx_words, sse_words: Remove.
4927 (X87_REGPARM_MAX): Define.
4929 * config/i386/i386.c (override_options): Error out for
4930 -mx87regparm but no 80387 support.
4931 (ix86_attribute_table): Add x87regparm.
4932 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4933 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4934 (ix86_function_x87regparm): New function.
4935 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4937 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4939 (function_arg_advance): Process x87_nregs and x87_regno when
4940 floating point argument is to be passed in 80387 register.
4941 (function_arg): Pass XFmode arguments in 80387 registers for local
4942 functions. Pass SFmode and DFmode arguments to local functions
4943 in 80387 registers when flag_unsafe_math_optimizations is set.
4945 * reg-stack.c (convert_regs_entry): Disable NaN load for
4946 stack registers that are used for argument passing.
4948 * doc/extend.texi: Document x87regparm function attribute.
4949 * doc/invoke.texi: Document -mx87regparm.
4951 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4953 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4954 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4955 arg MODE; all callers changed. Use it to determine validity per
4956 machine mode instead of using Pmode for all memory references.
4957 (get_address_cost): Likewise add and use new arg MEM_MODE.
4959 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4960 J"orn Rennecke <joern.rennecke@st.com>
4962 * combine.c (likely_spilled_retval_1): Fix masking operation.
4963 (likely_spilled_retval_p): Use proper pattern for call to
4964 likely_spilled_retval_1.
4966 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4968 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4970 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4971 that tests for CONSTANT_POOL_ADDRESS_P.
4973 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4975 PR tree-optimization/29581
4976 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4977 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4978 type is different between Y and USE, create a temporary
4979 variable, initialize it at the beginning of the body bb
4980 and use it as replacement instead of Y.
4982 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4985 * gimplify.c (fold_indirect_ref_rhs): Use
4986 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4988 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4990 * expmed.c (emit_store_flag_1): New function.
4991 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4993 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4994 Use do_compare_rtx_and_jump.
4995 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4996 * arm.md (cstoresi4): New define_expand.
4997 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4998 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4999 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
5001 2006-11-14 Caroline Tice <ctice@apple.com>
5003 * dwarf2out.c (debug_pubtypes_section): New static global variable.
5004 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
5006 (pubname_table): Redefine as a vector.
5007 (pubtype_table): New static global variable, defined as a vector.
5008 (pubname_table_allocated): Remove static global variable.
5009 (pubname_table_in_use): Remove static global variable.
5010 (PUBNAME_TABLE_INCREMENT): Remove constant.
5011 (size_of_pubnames): Add parameter to deal with either pubnames or
5012 pubtypes, and change code to deal with table being a vector.
5013 (add_pubname): Change to deal with table being a vector.
5014 (add_pubtype): New function.
5015 (output_pubnames): Add parameter to deal with either pubnames or
5016 pubtypes, and change code to deal with table being a vector.
5017 (gen_array_type_die): Add call to add_pubtype.
5018 (gen_enumeration_type_die): Add call to add_pubtype.
5019 (gen_struct_or_union_type_die): Add call to add_pubtype.
5020 (gen_subroutine_type_die): Add call to add_pubtype.
5021 (gen_typedef_die): Add call to add_pubtype.
5022 (dwarf2out_init): Add code to initialize pubname_table and
5023 pubtype_table vectors; also initialize debug_pubtypes_section.
5024 (prune_unused_types): Change to deal with pubnames being a vector.
5025 (dwarf2out_finish): Change to deal with pubnames being a vector; add
5026 pubnames table to call to output_pubnames; Add code to output pubtypes
5027 table if DEBUG_PUBTYPES_SECTION is defined.
5028 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
5030 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
5032 2006-11-14 Joseph Myers <joseph@codesourcery.com>
5034 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
5035 iwmmxt_nregs if TARGET_IWMMXT_ABI.
5036 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
5037 movv2si_internal): Support moves between core registers.
5039 2006-11-14 Eric Christopher <echristo@apple.com>
5041 * configure: Regenerate with autoconf 2.59.
5043 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
5045 Fix PR tree-optimization/27755
5047 * tree-ssa-pre.c: Update comments.
5048 (bb_bitmap_sets): Add pa_in and deferred member.
5049 (BB_DEFERRED): New macro.
5050 (maximal_set): New variable.
5051 (pre_stats): Add pa_insert member.
5052 (bitmap_set_and): Short circuit orig == dest.
5053 (bitmap_set_subtract_values): New function.
5054 (bitmap_set_contains_expr): Ditto.
5055 (translate_vuses_through_block): Add phiblock argument.
5056 (dependent_clean): New function.
5057 (compute_antic_aux): Update for maximal_set changes.
5058 (compute_partial_antic_aux): New function.
5059 (compute_antic): Handle partial anticipation.
5060 (do_partial_partial_insertion): New function.
5061 (insert_aux): Handle partial anticipation.
5062 (add_to_sets): Add to maximal set.
5063 (compute_avail): Ditto.
5064 (init_pre): Initialize maximal_set.
5065 (execute_pre): Do partial anticipation if -O3+.
5067 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
5069 PR rtl-optimization/29798
5071 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
5072 TARGET_INSN before any other check.
5073 (fwprop_init): Always calculate dominators.
5074 (fwprop_done): Always free them.
5076 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5078 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
5081 2006-11-13 DJ Delorie <dj@redhat.com>
5083 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
5084 temporary for intermediates.
5086 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
5088 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
5089 (sh_optimize_target_register_callee_saved): #if 0 the code
5090 using NOTE_INSN_LOOP_{BEG,END}.
5092 2006-11-13 Roger Sayle <roger@eyesopen.com>
5094 * fold-const.c (optimize_bit_field_compare): Recursively call
5095 fold when simplifying non-constant comparisons between bit-fields.
5097 2006-11-13 Jakub Jelinek <jakub@redhat.com>
5099 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
5101 * configure: Rebuilt.
5103 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
5105 * config/rs6000/cell.md: New file.
5106 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
5108 (ppccell_cost): New cost matrix.
5109 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
5110 (rs6000_override_options): Set rs6000_always_hint to false
5111 for cell. Also align functions/lables/loops to 8byte
5112 for the Cell. Use PROCESSOR_CELL.
5113 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
5114 using_mtcr_multiple.
5115 (rs6000_variable_issue): If the insn is a nonpipelined instruction
5116 on the Cell, return 0.
5117 (rs6000_adjust_cost): Add Cell cost adjustments.
5118 (is_microcoded_insn): Return true for Cell microcoded
5120 (is_nonpipeline_insn): New function.
5121 (rs6000_issue_rate): Add PROCESSOR_CELL.
5122 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
5124 (rs6000_use_sched_lookahead_guard): New function.
5125 (rs6000_sched_reorder): Reorder the ready list, if the second
5126 to last ready insn is a nonepipeline insn on the Cell.
5127 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
5128 (ASM_CPU_SPEC): Add Cell.
5129 * config/rs6000/rs6000.md (cpu): Add Cell.
5130 (cell_micro): New Attr.
5133 2006-11-13 Jakub Jelinek <jakub@redhat.com>
5135 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
5137 * configure: Rebuilt.
5139 2006-11-13 Richard Guenther <rguenther@suse.de>
5141 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
5143 (ix86_expand_lfloorceil): Likewise.
5144 (ix86_expand_rint): Likewise.
5145 (ix86_expand_floorceildf_32): Likewise.
5146 (ix86_expand_floorceil): Likewise.
5147 (ix86_expand_rounddf_32): Likewise.
5148 (ix86_expand_truncdf_32): Likewise.
5149 (ix86_expand_round): Likewise.
5151 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
5152 Mark Mitchell <mark@codesourcery.com>
5154 * gcc.c: Organize search path variables into $prefix relative,
5155 and well-known native. Add comments.
5156 (add_sysrooted_prefix): Add comment.
5157 (process_command): If !gcc_exec_prefix add $prefix based paths.
5158 If *cross_compile == '0', add native well-known paths.
5159 Assert tooldir_base_prefix is always relative.
5160 (main): If print_search_dirs, and if gcc_exec_prefix is set,
5161 use this value for 'install:' path.
5162 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
5164 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
5166 * config/i386/i386.c: Fix a typo in comment.
5168 2006-11-13 Michael Matz <matz@suse.de>
5170 * genemit.c (gen_expand): Allocate enough memory.
5172 2006-11-13 Joseph Myers <joseph@codesourcery.com>
5174 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
5175 __GXX_TYPEINFO_EQUALITY_INLINE but not
5176 __GXX_MERGED_TYPEINFO_NAMES.
5177 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
5178 __GXX_MERGED_TYPEINFO_NAMES.
5179 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
5180 __GXX_TYPEINFO_EQUALITY_INLINE.
5182 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
5183 Zdenek Dvorak <dvorakz@suse.cz>
5185 PR tree-optimization/29680
5186 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
5189 2006-11-12 Jason Merrill <jason@redhat.com>
5190 Andrew Pinski <pinskia@physics.uc.edu>
5193 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
5195 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
5197 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
5198 * tree.c (build_vector): Handle non-_CST elements.
5200 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
5202 * genemit.c (gen_insn): Call gen_exp with a non-null used
5203 when handling multiple insns.
5204 (gen_expand): Likewise.
5205 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
5206 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
5207 (movsi_const_16bit+1): Copy operands[1].
5208 (call_pcrel): Copy the call_site pattern.
5209 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
5211 2006-11-12 Roger Sayle <roger@eyesopen.com>
5213 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
5214 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
5215 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
5216 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
5218 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
5220 Fix PR tree-optimization/29587
5221 * tree-ssa-structalias.c (process_constraint): Don't
5222 mark address taken due only to escaped vars constraint.
5224 2006-11-12 Michael Matz <matz@suse.de>
5225 Roger Sayle <roger@eyesopen.com>
5227 PR rtl-optimization/29797
5228 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
5229 BITS_BIG_ENDIAN targets.
5231 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5233 * builtins.c (fold_builtin_cosh): New.
5234 (fold_builtin_1): Use it.
5235 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
5236 trunc to the list of "odd" functions. Also add llrint, lrint,
5237 rint and nearbyint when flag_rounding_math is false.
5239 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5241 * tree-flow.h (name_mappings_registered_p): Declare.
5242 * tree-into-ssa.c (name_mappings_registered_p): New function.
5243 * tree-cfg.c (tree_can_merge_blocks_p): Check
5244 name_mappings_registered_p instead of need_ssa_update_p.
5246 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5248 * tree-ssa-loop.c (tree_vectorize): Return the result of
5250 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
5251 if anything changed.
5252 * tree-vectorizer.h (vectorize_loops): Declaration removed.
5253 * tree-flow.h (vectorize_loops): Declaration changed.
5255 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5257 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
5259 (issue_prefetch_ref): Move assignment to write_p out of loop.
5260 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
5261 SIMULTANEOUS_PREFETCHES into account.
5262 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
5263 * lambda-code.c (lcm): Renamed to ...
5264 (least_common_multiple): ... and exported.
5265 * tree-flow.h (least_common_multiple): Declare.
5267 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5269 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
5270 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
5271 ud-chains. Handle AND_EXPR.
5272 (record_estimate): Record whether the estimate is realistic
5273 and whether it is derived from a loop exit.
5274 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
5275 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
5277 (compute_estimated_nb_iterations): Take only realistic bounds into
5278 account. Set estimate_state. Use double_ints.
5279 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
5280 and infer_loop_bounds_from_signedness. Do not consider basic blocks
5281 that do not have to be always executed.
5282 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
5283 to determine whether to call infer_loop_bounds_from_undefined
5284 and compute_estimated_nb_iterations.
5285 (n_of_executions_at_most): Use double_ints.
5286 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
5287 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
5288 * double-int.c (double_int_to_tree): Improve comment.
5289 (double_int_fits_to_tree_p): New function.
5290 * double-int.h (double_int_fits_to_tree_p): Declare.
5291 * tree-data-ref.c: Include langhooks.h.
5292 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
5293 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
5294 (analyze_array): Do not pass estimate_only argument to
5295 analyze_array_indexes.
5296 (get_number_of_iters_for_loop): Build tree from the stored double_int
5298 (get_references_in_stmt, find_data_references_in_stmt): New functions.
5299 (find_data_references_in_loop): Use find_data_references_in_stmt.
5300 * tree-data-ref.h (struct data_ref_loc_d): New.
5301 (get_references_in_stmt): Declare.
5302 (estimate_iters_using_array): Declaration removed.
5303 * cfgloop.h (struct nb_iter_bound): Change type of bound to
5304 double_int. Improve comments. Add is_exit and realistic
5306 (struct loop): Changed type of estimated_nb_iterations to double_int.
5307 Added estimate_state field.
5308 (record_estimate): Declaration removed.
5310 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5312 * params.c (set_param_value): Initialize the "set" field.
5313 * params.h (struct param_info): Add "set" field.
5314 (PARAM_SET_P): New macro.
5315 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
5316 L1_CACHE_LINE_SIZE): New macros.
5317 * toplev.c (DEFPARAM): Initialize the "set" field.
5318 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
5319 SIMULTANEOUS_PREFETCHES): Removed.
5320 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
5321 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
5322 * config/sparc/sparc.c: Include params.h.
5323 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
5324 L1_CACHE_LINE_SIZE parameters.
5325 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5327 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5329 * config/i386/i386.c: Include params.h.
5330 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
5331 (override_options): Set SIMULTANEOUS_PREFETCHES and
5332 L1_CACHE_LINE_SIZE parameters.
5333 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
5334 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
5335 L1_CACHE_LINE_SIZE parameters.
5336 * config/ia64/ia64.c (ia64_optimization_options): Set
5337 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
5338 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
5340 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
5341 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
5342 * doc/invoke.texi: Document new params.
5344 2006-11-12 Roger Sayle <roger@eyesopen.com>
5346 PR tree-optimization/13827
5347 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
5350 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5352 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
5353 update_single_exit_for_duplicated_loops): New functions.
5354 (duplicate_loop_to_header_edge): Use
5355 update_single_exit_for_duplicated_loops.
5356 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
5357 functions only with ENABLE_CHECKING.
5359 2006-11-12 Andreas Schwab <schwab@suse.de>
5361 * except.c (sjlj_emit_function_enter): Remove unused variable.
5363 2006-11-11 Roger Sayle <roger@eyesopen.com>
5365 * fold-const.c (int_binop_types_match_p): New function.
5366 (size_binop): Relax constraint that both arguments must both have
5367 exactly the same sizetype type. Instead use int_binop_types_match_p.
5368 (size_diffop): Likewise.
5370 (make_range): Use build_int_cst instead of fold_convert.
5371 (fold_cond_expr_with_comparison): Use build_int_cst to construct
5372 integer constants of the correct type.
5373 (fold_div_compare): Likewise.
5374 (fold_single_bit_test): Likewise.
5375 (fold_binary): Likewise.
5376 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
5377 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
5379 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
5382 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
5383 non null value if the struct memory access is in the 0th
5386 2006-11-12 Jie Zhang <jie.zhang@analog.com>
5389 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5390 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5393 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
5394 instead of builtin_define for bfin and BFIN.
5396 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5398 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5401 2006-11-11 Jan Hubicka <jh@suse.cz>
5403 * extend.texi (__builtin_expect): We no longer require second argument
5405 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
5406 * builtins.c (expand_builtin_expect): Simplify.
5407 (expand_builtin_expect_jump): Kill.
5408 * final.c (final_scan_insn): Do not skip the removed notes.
5409 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
5410 EXPECTED_VALUE): Remove.
5411 * dojump.c (do_jump): Do not care about __builtin_expect.
5412 * predict.c (expected_value_to_br_prob): Kill.
5413 * function.c (expand_function_end): Do not expand
5414 NOTE_INSN_REPEATED_LINE_NUMBER.
5415 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
5416 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
5417 * cfgexpand.c (add_reg_br_prob_note): Export.
5418 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5419 expected_value_to_br_prob.
5420 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
5421 * rtl.h (add_reg_br_prob_note): Declare.
5423 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5425 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
5427 2006-11-11 Jan Hubicka <jh@suse.cz>
5429 * predict.c (predict_loops): Kill RTL variant.
5431 2006-11-11 Jan Hubicka <jh@suse.cz>
5433 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
5434 * modulo-sched.c (find_line_note): Remove.
5435 (loop_canon_p): Do not worry about line number notes.
5436 (sms_schedule): Likewise.
5437 * cse.c (cse_main): Likewise.
5438 * regmove.c (fixup_match_1): Likewise
5439 * function.c (emit_return_info_block): Likewise.
5440 (expand_function_end): Likewise.
5441 (thread_prologue_an_epilogue_insns): Likewise.
5442 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
5444 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
5445 emit_note_copy_after): Kill.
5446 (emit_note_copy): Do not worry about line numbers.
5447 * jump.c (purge_line_number_notes): Kill.
5448 (pass_purge_lineno_notes): Kill.
5449 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
5451 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
5452 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
5453 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
5454 * tree-pass.h (pass_purge_lineno_notes): Kill.
5455 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
5456 rm_redundant_line_notes.
5457 * sched-rgb.c (schedule_region): Don't rm_line_notes,
5458 rm_redundant_line_notes.
5459 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
5460 * haifa-sched.c: Update comment about handling notes.
5461 (unlink_line_notes): Kill.
5462 (rm_line_notes): Kill.
5463 (save_line_notes): Simplify.
5464 (rm_redundant_line_notes): Kill.
5466 2006-11-11 Richard Guenther <rguenther@suse.de>
5468 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
5469 Remove unused tree codes.
5470 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
5471 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
5472 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5473 * tree.c (stabilize_reference): Likewise.
5474 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
5475 fold_unary): Likewise.
5476 * tree-gimple.c (is_gimple_cast): Likewise.
5477 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
5478 * expr.c (expand_expr_real_1): Likewise.
5479 * tree-eh.c (tree_could_trap_p): Likewise.
5480 * gimplify.c (gimplify_expr): Likewise.
5481 * tree-inline.c (estimate_num_insns_1): Likewise.
5482 * tree-cfg.c (verify_expr): Likewise.
5484 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
5486 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
5487 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5488 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
5490 2006-11-11 Richard Sandiford <richard@codesourcery.com>
5493 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5494 constraints accept neither registers or memories.
5496 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5498 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
5499 (NO_PROFILE_COUNTERS): Define as 1.
5501 2006-11-10 Roger Sayle <roger@eyesopen.com>
5503 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
5504 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
5506 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
5508 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5510 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5512 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5513 (fold_builtin_hypot): Likewise.
5514 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5516 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5518 2006-11-10 Roger Sayle <roger@eyesopen.com>
5520 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5521 when attempting to build INTEGER_CSTs of non-integral types.
5522 * expmed.c (make_tree): Use the correct type, i.e. the inner
5523 type, when constructing the individual elements of a CONST_VECTOR.
5525 2006-11-10 Jan Hubicka <jh@suse.cz>
5527 * cse.c (cse_process_notes): Copy the propagated value.
5528 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5530 * gcse.c (try_replace_reg): Copy the replacement.
5531 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
5532 (assign_386_stack_local): Always return copied memory expression
5533 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
5536 2006-11-10 Jan Hubicka <jh@suse.cz>
5538 * final.c (final): Walk from first instruction.
5539 * cfglayout.c (insn_locators_initialize): Remove line number notes.
5541 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
5544 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5546 (umulv8hi3_highpart): Ditto.
5547 (vec_widen_smult_hi_v8hi): New expander.
5548 (vec_widen_smult_lo_v8hi): Ditto.
5550 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5553 * builtins.c (do_mpfr_arg3): New.
5554 (fold_builtin_1): Handle builtins fma, fmin and fmax.
5556 2006-11-09 Eric Christopher <echristo@apple.com>
5561 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5562 * config.gcc (powerpc64-*-darwin*): New target.
5563 * config.host: Ditto.
5564 * config/rs6000/darwin64.h: New file.
5565 * config/rs6000/x-darwin64: Ditto.
5566 * config/rs6000/host-ppc64-darwin.c: Ditto.
5568 2006-11-09 Steve Ellcey <sje@cup.hp.com>
5570 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
5571 routines for integer division.
5573 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
5575 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5577 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5580 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5582 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
5584 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5585 simplify_subreg with BLKmode outer mode.
5587 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
5589 * doc/invoke.texi: Minor formatting fixes in option lists.
5591 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
5593 PR tree-optimization/29738
5594 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5595 (ccp_lattice_t): Remove UNKNOWN_VAL.
5596 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5597 Do not handle UNKNOWN_VAL.
5598 (get_default_value): Set initial value of virtual operands to
5600 (get_value): Always use get_default_value on uninitialized
5602 (set_value_varying, surely_varying_stmt_p): New functions.
5603 (set_lattice_value): Do not pass argument to get_value.
5604 Do not handle UNKNOWN_VAL.
5605 (likely_value): Follow the semantics described in the comment.
5606 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
5607 phi nodes DONT_SIMULATE_AGAIN.
5608 (ccp_fold): Do not pass argument to get_value.
5609 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
5612 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
5614 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5615 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5617 2006-11-08 Roger Sayle <roger@eyesopen.com>
5619 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5620 test for inclusion rather than as a test for exclusion.
5621 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5622 the condition after calling fold_binary.
5623 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5624 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5625 * builtins.c (fold_builtin_isascii): Likewise.
5626 (fold_builtin_isdigit): Likewise.
5628 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
5630 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5631 * configure: Regenerate.
5633 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5635 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5636 enum argument instead of bool.
5637 (vect_analyze_operations): Call vectorizable_type_promotion.
5638 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5639 stmt_vec_info_type value.
5640 (supportable_widening_operation, vectorizable_type_promotion): New
5641 function declarations.
5642 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5643 (vectorizable_type_promotion): New function.
5644 (vect_transform_stmt): Call vectorizable_type_promotion.
5645 * tree-vect-analyze.c (supportable_widening_operation): New function.
5646 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5648 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5651 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5652 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5653 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5655 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5656 * expr.c (expand_expr_real_1): Likewise.
5657 * optabs.c (optab_for_tree_code): Likewise.
5658 (init_optabs): Initialize new optabs.
5659 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5660 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5661 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5662 vec_unpacku_lo_optab): Initialize new optabs.
5663 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5664 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5665 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5667 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5668 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5669 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5670 (vec_unpacku_lo_optab): New optabs.
5671 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5672 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5673 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5674 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5675 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5676 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5678 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5679 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5680 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5681 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5682 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5683 implement the unsigned unpacking patterns.
5684 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5685 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5686 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5687 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5688 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5689 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5690 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5691 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5692 multiplication patterns.
5694 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5695 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5696 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5697 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5698 (rs6000_builtin_mul_widen_odd): New.
5699 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5700 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5701 * tree-vectorizer.h (enum vect_relevant): New enum type.
5702 (_stmt_vec_info): Field relevant chaned from bool to enum
5704 (STMT_VINFO_RELEVANT_P): Updated.
5705 (STMT_VINFO_RELEVANT): New.
5706 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5707 instead of STMT_VINFO_RELEVANT_P.
5708 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5709 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5710 and boolean variable with enum vect_relevant.
5711 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5712 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5713 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5715 2006-11-08 Richard Henderson <rth@redhat.com>
5717 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5718 vec_widen_umult_lo_v8hi): New.
5719 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5720 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5722 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5723 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5724 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5725 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5726 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5727 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5728 vec_unpacks_lo_v4si): New.
5730 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5732 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5733 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5734 (vect_analyze_operations): Call vectorizable_type_demotion.
5735 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5736 stmt_vec_info_type value.
5737 (vectorizable_type_demotion): New function declaration.
5738 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5741 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5742 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5744 * tree-iniline.c (estimate_num_insns_1): Likewise.
5745 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5746 * optabs.c (optab_for_tree_code): Likewise.
5748 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5749 compared against the predicate of the result is not 'mode' (the input
5750 to the function) but a mode with half the size of 'mode'.
5751 (init_optab): Initialize new optabs.
5752 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5754 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5756 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5757 (vec_pack_usat_optab): Initialize new optabs.
5758 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5759 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5761 2006-11-08 Richard Henderson <rth@redehat.com>
5763 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5764 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5765 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5766 (vec_interleave_highv4si, vec_interleave_lowv4si):
5767 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5769 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5771 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5773 (vect_transform_stmt): Removed redundant code.
5775 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5777 * tree-vect-transform.c (vectorizable_operation): Support multiple
5780 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5782 * tree-vect-transform.c (vect_align_data_ref): Removed.
5783 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5784 Updated function documentation. Return the increment stmt in ptr_incr.
5785 (bump_vector_ptr): New function.
5786 (vect_get_vec_def_for_stmt_copy): New function.
5787 (vect_finish_stmt_generation): Create a stmt_info to newly created
5789 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5791 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5792 VF is greater than the number of elements that can fit in one vector
5794 (vectorizable_operation, vectorizable_condition): Likewise.
5795 (vectorizable_store, vectorizable_load): Support the case that the VF
5796 is greater than the number of elements that can fit in one vector word.
5797 (vect_transform_loop): Don't fail in case of multiple data-types.
5798 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5799 in case of multiple data-types; the smallest type determines the VF.
5800 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5801 if they are of different sizes.
5802 (vect_update_misalignment_for_peel): Compare misalignments in terms of
5803 number of elements rather than number of bytes.
5804 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5805 (vect_can_advance_ivs_p): Fix a dump printout
5807 2006-11-07 Eric Christopher <echristo@apple.com>
5809 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5810 (__bswapsi2): Ditto.
5811 * libgcc2.h: Remove transformation of bswap routines.
5812 * config/i386/i386.md (bswapsi2): New.
5815 2006-11-07 Jakub Jelinek <jakub@redhat.com>
5817 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5818 (handle_gnu_inline_attribute): New function.
5819 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5820 (merge_decls, start_decl, start_function): Likewise.
5821 * doc/extend.texi: Document gnu_inline attribute.
5823 2006-11-07 Steve Ellcey <sje@cup.hp.com>
5826 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5827 _fixunstfdi, and _floatditf
5829 2006-11-06 Anatoly Sokolov <aesok@post.ru>
5831 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5833 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5834 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5835 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5836 which start in an odd register.
5838 2006-11-07 Richard Sandiford <richard@codesourcery.com>
5840 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5842 2006-11-07 Josh Conner <jconner@apple.com>
5844 * doc/invoke.texi (fstrict-aliasing): Move implementation
5846 * doc/tree-ssa.texi (Alias analysis): ...here.
5848 2006-11-07 Richard Guenther <rguenther@suse.de>
5850 PR tree-optimization/29610
5851 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5852 of tree_purge_dead_eh_edges as it may free dominators.
5854 * g++.dg/other/pr29610.C: New testcase.
5856 2006-11-07 David Ung <davidu@mips.com>
5858 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5859 costs when optimizing for size.
5860 (override_options): Use mips_rtx_cost_optimize_size table for cost
5863 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5865 * gcc.c (process_command): Treat -b as normal switch if its argument
5868 2006-11-07 David Ung <davidu@mips.com>
5870 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5873 2006-11-06 Eric Christopher <echristo@apple.com>
5875 * config.gcc: Add x86_64-darwin host support.
5876 * config.host: Ditto.
5877 * config/i386/darwin64.h: New file.
5878 * config/i386/t-darwin64: Ditto.
5880 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5882 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5883 and output-exists-not.
5885 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5888 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5889 checking for overflow.
5891 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5893 * configure.ac: Fixed typo in case statement: :: changed to ;;
5895 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5897 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5898 count_leading_zeros, and count_trailing_zeros.
5899 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5900 (TARGET_FOLD_BUILTIN): Define.
5901 (TARGET_EXPAND_BUILTIN): Define.
5902 (xtensa_init_builtins): New.
5903 (xtensa_fold_builtin): New.
5904 (xtensa_expand_builtin): New.
5905 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5906 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5907 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5908 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5909 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5910 (any_extend): New code macro.
5911 (u, su): New code attributes.
5912 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5913 (nsau): Remove; replaced by clzsi2.
5914 (ffssi2): Use clzsi2.
5915 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5916 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5917 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5918 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5919 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5921 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5923 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5925 * config/arm/t-strongarm-elf: Likewise.
5926 * config/arm/t-pe: Likewise.
5927 * config/arm/t-arm-elf: Likewise.
5928 * config/arm/t-xscale-elf: Likewise.
5929 * config/arm/t-arm-coff: Likewise.
5930 * config/arm/t-xscale-coff: Likewise.
5931 * config/arm/t-wince-pe: Likewise.
5933 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5935 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5938 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5941 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5944 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5947 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5948 as a valid 80387 constant.
5949 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5950 * config/i386/i386.md (unnamed splitter): Split the load of
5951 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5954 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5956 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5957 from the soft-frame, argument and virtual registers.
5959 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5961 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5962 patterns for standard 80387 constants.
5964 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5965 Steven Bosscher <steven@gcc.gnu.org>
5967 * fwprop.c: New file.
5968 * Makefile.in: Add fwprop.o.
5969 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5970 * passes.c (init_optimization_passes): Schedule forward propagation.
5971 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5973 * timevar.def (TV_FWPROP): New.
5974 * common.opt (-fforward-propagate): New.
5975 * opts.c (decode_options): Enable forward propagation at -O2.
5976 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5977 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5978 canon_for_address, table_size): Remove.
5979 (new_basic_block, insert, remove_from_table): Remove references to
5981 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5982 simplification loop more straightforward by not calling fold_rtx
5984 (equiv_constant): Move here a small part of fold_rtx_subreg,
5985 do not call fold_rtx. Call avoid_constant_pool_reference
5987 * recog.h (canonicalize_change_group): New.
5989 * doc/invoke.texi (Optimization Options): Document fwprop.
5990 * doc/passes.texi (RTL passes): Document fwprop.
5992 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5994 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5995 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5996 (grokdeclarator): Likewise.
5998 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
6000 * tree-dump.c (dump_enable_all): Rename local variable
6001 ir_type to avoid name conflicts.
6002 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
6003 instead of using ir_type().
6004 * profile.c (tree_register_profile_hooks): Likewise.
6005 * value-prof.c (tree_register_value_prof_hooks): Likewise.
6006 * basic-block.h (struct edge_def): Likewise.
6007 * config/arm/arm.c (legitimize_pic_address): Likewise.
6008 * coretypes.h (ir_type): New enum of all intermediate languages
6010 * cfghooks.c (ir_type): Rename to...
6011 (current_ir_type): ...this. Distinguish between cfgrtl and
6012 cfglayout mode when the current IR is RTL. Return enum ir_type.
6013 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
6015 2006-11-03 Paul Brook <paul@codesourcery.com>
6017 * config/arm/arm.c (arm_file_start): New function.
6018 (TARGET_ASM_FILE_START): Define.
6019 (arm_default_cpu): New variable.
6020 (arm_override_options): Set arm_default_cpu.
6022 2006-11-03 David Ung <davidu@mips.com>
6024 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
6025 PROCESSOR_24KC and PROCESSOR_24KF.
6026 * config/mips/mips.c (mips_cpu_info_table): Add processor names
6027 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
6028 (mips_rtx_cost_data): Add costs for the 24kc.
6029 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
6030 * config/mips/24k.md: Remove references to 24k and replace with
6031 uses of 24kc/24kf in the appropriate reservations.
6032 * doc/invoke.texi (MIPS Options): Updated.
6034 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
6036 * config/sh/crt1.asm: Fix #ifdef indent.
6038 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
6039 Merged from STMicroelectronics sources:
6040 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
6041 * config/sh/crt1.asm (vbr_600): Add missing #if.
6042 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
6043 * sh.opt (mfused-madd): New option.
6044 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
6045 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6046 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
6047 Remove pointless handler at VBR+0.
6048 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
6049 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
6050 fr7. Make sure the timer handler is called with the correct FPU
6051 precision setting, according to the ABI.
6052 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
6053 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
6054 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
6055 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
6056 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
6057 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
6058 zero as second operand.
6059 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
6060 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
6061 Fixed some bugs related to negative values, in particular -0
6062 and overflow at -0x80000000.
6063 * config/sh/divcost-analysis: Added sh4-300 figures.
6064 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
6065 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
6066 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
6067 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
6068 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
6069 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
6071 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
6073 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
6074 SH4-300 scheduling description & fixes to SH4-[12]00 description:
6075 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
6076 mac_mem, mem_mac, dfp_mul, fp_cmp.
6077 (insn_class, dfp_comp, any_fp_comp): Update.
6078 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
6079 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
6080 (muldf3_i): Likewise.
6081 (movsi_i): Split rI08 alternative into two separate alternatives.
6083 (movsi_ie, movsi_i_lowpart): Likewise.
6084 (movqi_i): Split ri alternative into two separate alternatives.
6086 * sh1.md (sh1_load_store, sh1_fp): Update.
6087 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
6088 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
6089 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
6090 (sh4a_fp_double_arith): Likewise.
6091 * sh4-300.md: New file.
6092 * sh.c (sh_handle_option): Handle m4-300* options.
6093 (sh_adjust_cost): Fix latency of auto-increments.
6094 Handle SH4-300 differently than other SH4s. Check for new insn types.
6095 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
6096 been set by an option.
6097 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
6098 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
6099 (mbranch-cost=): Likewise.
6100 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
6102 * sh.md (mulsf3): Remove special expansion code.
6103 (mulsf3_ie): Now a define_insn_and_split.
6104 (macsf3): Allow for TARGET_SH4.
6106 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
6107 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
6108 (expand_cbranchdi4): Likewise.
6109 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
6110 CONST_DOUBLE if the outer code is COMPARE.
6111 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
6112 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
6113 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
6114 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
6115 Remove redundant fp_{zero,one}_operand checks.
6116 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
6117 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
6118 (expand_cbranchdi4): Likewise.
6119 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
6120 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
6122 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
6124 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
6127 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
6129 * doc/invoke.texi: Fix mfp-trap-mode typo.
6131 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
6133 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
6134 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
6135 file_end_indicate_exec_stack.
6136 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
6138 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
6139 for a non-executable stack.
6140 * crti.asm: Likewise.
6141 * crtn.asm: Likewise.
6142 * libunwind.S: Likewise.
6144 2006-11-02 Ben Elliston <bje@au.ibm.com>
6146 * tree-ssa.c (warn_uninit): Use expand_location variables for
6147 locus and declaration locus.
6149 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
6152 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
6153 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
6154 cmp{eq,gt,gtu}{si,di}_media.
6155 (*cmpne0si_media): Remove.
6156 (*movsicc_umin): Adjust gen_cmp*_media call.
6157 (unordered): Change the mode of unordered and operands[1] to
6159 (seq): Adjust gen_cmp*_media calls. Make the mode of
6160 a temporary result of compare SImode if needed. If the mode
6161 of operands[0] is DImode, extend the temporary result to DImode.
6162 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
6163 (sunorderd): Change the mode of match_operand and unorderd to
6165 (cmpeq{sf,df}_media): Remove.
6166 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
6167 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
6168 and compare operation to SImode.
6170 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
6172 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
6174 (sparc64-sun-solaris2*): Likewise.
6176 2006-11-02 Paul Brook <paul@codesourcery.com>
6178 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
6179 from priority argument. Use different section for non-default
6181 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
6183 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
6186 * except.c (switch_to_exception_section): Do not cache the section
6187 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6188 and flag_function_sections is set.
6190 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6193 * builtins.c (do_mpfr_sincos): New.
6194 (fold_builtin_1): Use it to fold builtin sincos.
6196 2006-11-01 Roger Sayle <roger@eyesopen.com>
6198 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
6199 it into -D_REENTRANT.
6201 2006-11-01 Roger Sayle <roger@eyesopen.com>
6203 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
6204 whether the assembler supports taking the difference of symbols in
6205 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
6206 * configure: Regenerate.
6207 * config.in: Regenerate.
6208 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
6209 the assembler doesn't support taking the difference of symbols in
6210 different sections, i.e. we're using the native solaris assembler.
6212 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
6213 Peter Bergner <bergner@vnet.ibm.com>
6215 * doc/invoke.texi: Add cpu_type power6x
6216 (RS/6000 and PowerPC Options): Add -mmfpgpr.
6217 * config.gcc: Add cpu_type power6x.
6218 * configure.ac: Add test for mf{t,f}gpr instructions.
6219 (HAVE_AS_MFPGPR): New.
6220 * config.in: Regenerate.
6221 * configure: Regenerate.
6222 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
6223 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
6224 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
6225 and mftgpr attributes.
6226 (define_attr "cpu"): Add power6.
6227 Change instruction sequences to use new attributes.
6228 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
6229 (fix_truncdfsi2_mfpgpr): New.
6230 (floatsidf_ppc64_mfpgpr): New.
6231 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
6232 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
6233 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
6234 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
6235 (fix_truncdfsi2): Use gpc_reg_operand constraint.
6236 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
6237 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
6238 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
6239 cntlz,exts and var_delayed_compare.
6240 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6241 _ARCH_PWR6X, if features enabled.
6242 * config/rs6000/rs6000.opt (mmfpgpr): New.
6243 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
6244 (cached_can_issue_more): New variable.
6245 (processor_costs): Add power6_cost.
6246 (rs6000_sched_init): New function.
6247 (is_dispatch_slot_restricted): Deleted.
6248 (set_to_load_agen): New function.
6249 (is_load_insn,is_store_insn): New functions.
6250 (adjacent_mem_locations): New function.
6251 (insn_must_be_first_in_group): New function.
6252 (insn_must_be_last_in_group): New function.
6253 (rs6000_sched_reorder): New function.
6254 (rs6000_sched_reorder2): New function.
6255 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
6256 TARGET_SCHED_REORDER2): Define.
6257 (processor_target_table): Use PROCESSOR_POWER6 for power6.
6258 Add power6x. Add MASK_MFPGPR for power6x.
6259 (POWERPC_MASKS): Add MASK_MFPGPR.
6260 (rs6000_override_options): Set rs6000_always_hint to false
6261 for power6. Set rs6000_align_branch_targets. Replace
6262 rs6000_sched_groups check with rs6000_align_branch_targets.
6263 Use PROCESSOR_POWER6.
6264 (last_scheduled_insn): New variable.
6265 (load_store_pendulum): New variable.
6266 (rs6000_variable_issue): Set last_scheduled_insn and
6267 cached_can_issue_more.
6268 (rs6000_adjust_cost): Add power6 cost adjustments.
6269 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
6270 with insn_must_be_first_in_group. Add power6 priority adjustments.
6271 (rs6000_issue_rate): Add CPU_POWER6.
6272 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
6273 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
6274 (TARGET_MFPGPR): New.
6275 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
6276 (ASM_CPU_SPEC): Add power6x.
6277 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
6279 * config/rs6000/power6.md: New file.
6281 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
6283 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
6284 HOST_WIDE_INT_PRINT to print high and low parts. Use
6285 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
6286 printing a hexadecimal number prefix it with 0x.
6288 2006-11-01 Chris Johns <chris@contemporary.net.au>
6291 * Makefile.in (install-driver): Use exeext when installing
6292 $target-gcc-$version.
6294 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
6296 * c-common.c (flag_cpp0x): New.
6297 * c-common.h (flag_cpp0x): New.
6298 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
6299 supported, define __GXX_EXPERIMENTAL_CPP0X__.
6300 * c-opts.c (set_std_cxx0x): New.
6301 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
6302 * c.opt (std=c++0x): Document.
6303 (std=gnu++0x): Ditto.
6304 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
6305 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
6307 2006-11-01 Richard Guenther <rguenther@suse.de>
6309 * config/i386/i386.c (ix86_expand_rint): Fix issues with
6311 (ix86_expand_floorceildf_32): Likewise.
6312 (ix86_expand_floorceil): Likewise.
6313 (ix86_expand_trunc): Likewise.
6315 2006-10-31 Andrew Pinski <pinskia@gmail.com>
6317 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
6320 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
6322 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
6324 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
6326 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
6328 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
6329 * configure.ac (use_cxa_atexit): As a special case, don't test
6330 for libc definition of __cxa_atexit on mingw32
6331 * configure: Regenerate.
6332 * config.gcc (i[34567]86-pc-mingw32): Default to
6333 enable__cxa_atexit=yes.
6335 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6337 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
6339 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6342 * c-decl.c (start_struct): Don't create self-containing
6344 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6346 * config/rs6000/rs6000-protos.h
6347 (darwin_rs6000_special_round_type_align): New.
6348 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
6349 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
6351 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6353 * toplev.c (compile_file): Call final_write_globals
6354 even if there have been errors.
6356 2006-10-31 Eric Christopher <echristo@apple.com>
6357 Falk Hueffner <falk@debian.org>
6359 * doc/extend.texi (__builtin_bswap32): Document.
6360 (__builtin_bswap64): Ditto.
6361 * doc/libgcc.texi (bswapsi2): Document.
6363 * doc/rtl.texi (bswap): Document.
6364 * optabs.c (expand_unop): Don't widen a bswap.
6365 (init_optabs): Init bswap. Set libfuncs explicitly
6366 for bswapsi2 and bswapdi2.
6367 * optabs.h (OTI_bswap): New.
6368 (bswap_optab): Ditto.
6369 * genopinit.c (optabs): Handle bswap_optab.
6370 * tree.h (tree_index): Add TI_UINT32_TYPE and
6372 (uint32_type_node): New.
6373 (uint64_type_node): Ditto.
6374 * tree.c (build_common_tree_nodes_2): Initialize
6375 uint32_type_node and uint64_type_node.
6376 * builtins.c (expand_builtin_bswap): New.
6377 (expand_builtin): Call.
6378 (fold_builtin_bswap): New.
6379 (fold_builtin_1): Call.
6380 * fold-const.c (tree_expr_nonnegative_p): Return true
6382 * builtin-types.def (BT_UINT32): New.
6384 (BT_FN_UINT32_UINT32): Ditto.
6385 (BT_FN_UINT64_UINT64): Ditto.
6386 * builtins.def (BUILT_IN_BSWAP32): New.
6387 (BUILT_IN_BSWAP64): Ditto.
6388 * rtl.def (BSWAP): New.
6389 * genattrtab.c (check_attr_value): New.
6390 * libgcc2.c (__bswapSI2): New.
6391 (__bswapDI2): Ditto.
6392 * libgcc2.h (__bswapSI2): Declare.
6393 (__bswapDI2): Ditto.
6394 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
6395 * simplify-rtx.c (simplify_const_unary_operation): Return
6397 * libgcc-std.ver (__bwapsi2): Add.
6398 (__bswapdi2): Ditto.
6399 * reload1.c (eliminate_regs_1): Add bswap.
6400 (elimination_effects): Ditto.
6401 * config/i386/i386.h (x86_bswap): New.
6402 (TARGET_BSWAP): Use.
6403 * config/i386/i386.c (x86_bswap): Set.
6405 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6407 * coverage.c (coverage_checksum_string): Update comment.
6408 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
6409 of get_file_function_name.
6410 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
6411 of get_file_function_name_long.
6412 * tree.c (get_file_function_name): Rename from
6413 get_file_function_name_long; improve comment; handle 'I' and 'D'
6414 specially when the target has ctor/dtor support; remove special
6416 (get_file_function_name): Remove.
6417 * tree.h (get_file_function_name): Rename from
6418 get_file_function_name_long.
6419 (get_file_function_name): Remove prototype.
6421 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6423 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
6424 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
6426 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
6427 Call dsymutil when compiling and linking one or more source files
6430 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6433 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
6435 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6437 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
6438 inline static functions in c99 mode.
6441 * doc/extend.texi (Inline): Update.
6442 * c-tree.h (struct language_function): Remove field 'extern_inline'.
6443 * c-decl.c (current_extern_inline): Delete.
6444 (pop_scope): Adjust test for an undefined nested function.
6445 Add warning about undeclared inline function.
6446 (diagnose_mismatched_decls): Update comments. Disallow overriding
6447 of inline functions in a translation unit in C99. Allow inline
6448 declarations in C99 at any time.
6449 (merge_decls): Boolize variables. Handle C99 'extern inline'
6451 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
6452 C99 inline semantics.
6453 (start_function): Don't clear current_extern_inline. Don't set
6455 (c_push_function_context): Don't push current_extern_inline.
6456 (c_pop_function_context): Don't restore current_extern_inline.
6459 * c-typeck.c (build_external_ref): Warn about static variables
6460 used in extern inline functions.
6461 * c-decl.c (start_decl): Warn about static variables declared
6462 in extern inline functions.
6464 2006-10-31 Roger Sayle <roger@eyesopen.com>
6467 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
6468 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
6469 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
6470 or y is an even integer.
6472 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
6475 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
6476 * gthr-posix95.h (__gthread_active_p): Likewise.
6478 2006-10-31 Richard Guenther <rguenther@suse.de>
6480 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
6481 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
6482 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
6483 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
6484 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
6485 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
6486 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
6487 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
6490 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
6492 * opts.c (decode_options): Disable CSE skip blocks.
6494 2006-10-30 Dirk Mueller <dmueller@suse.de>
6496 * c-common.h (strict_aliasing_warning): Fix whitespace.
6497 * c-decl (start_function): Move code for main decl warning ..
6498 * c-common.c (check_main_parameter_types): .. here.
6499 * c-common.h (check_main_parameter_types): Declare.
6501 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6504 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6506 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
6508 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6509 be a PARALLEL containing sets. Return false when out_pat is not
6512 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6514 * config/mips/mips.md (mul<mode>3): Split into...
6515 (mulsi3, muldi3): ...these separate patterns.
6517 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6519 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6520 but with each set of options separated by spaces.
6522 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
6524 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
6525 dwarf_reg_size_table has been initialized.
6527 2006-10-30 Roger Sayle <roger@eyesopen.com>
6529 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
6530 * ddg.c (print_ddg_edge): Likewise.
6531 * dwarf2out.c (prune_unused_types_walk): Likewise.
6532 * ifcvt.c (noce_try_cmove_arith): Likewise.
6533 * langhooks.c (add_builtin_function): Likewise.
6534 * reg-stack.c (subst_stack_regs_pat): Likewise.
6535 * tree.c (expanded_location): Likewise.
6536 * tree-dump.c (dequeue_and_dump): Likewise.
6538 2006-10-30 David Daney <ddaney@avtrex.com>
6540 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6542 2006-10-30 Jakub Jelinek <jakub@redhat.com>
6544 PR tree-optimization/29637
6545 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6546 of the innertype is the innertype itself.
6548 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
6550 * dwarf2out.c (file_name_acquire): Correct typo.
6552 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
6554 * tree.h (tree_value_handle): Remove struct value_set declaration.
6555 Change value_set to bitmap_set.
6556 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6557 * tree-vn.c (get_value_handle): Made inline and moved to
6559 * tree-flow-inline.h: (has_stmt_ann): New function.
6560 * tree-ssa-pre.c (expressions): New variable.
6561 (next_expression_id): Ditto.
6562 (alloc_expression_id): New function.
6563 (struct value_set): Remove.
6564 (get_expression_id): New function.
6565 (get_or_alloc_expression_id): Ditto.
6566 (expression_for_id): Ditto.
6567 (clear_expression_ids): Ditto.
6568 (FOR_EACH_EXPR_ID_IN_SET): New macro.
6569 (bb_value_sets): Renamed to bb_bitmap_sets.
6570 All value sets replaced with bitmap_sets.
6572 (BB_VISITED): New macro.
6573 (postorder): New variable.
6574 (add_to_value): Removed.
6575 (value_exists_in_set_bitmap): Ditto.
6576 (value_insert_into_set_bitmap): Ditto.
6579 (set_remove): Ditto.
6580 (set_contains_value): Ditto.
6581 (insert_into_set): Ditto.
6583 (find_leader): Ditto.
6584 (bitmap_set_subtract_from_value_set): Ditto.
6585 (value_insert_into_set): Ditto.
6586 (print_value_set): Ditto.
6587 (debug_value_set): Ditto.
6588 (constant_expr_p): New function.
6589 (bitmap_remove_from_set): Ditto.
6590 (bitmap_insert_into_set): Ditto.
6591 (bitmap_set_free): Ditto.
6592 (vh_compare): Ditto.
6593 (sorted_array_from_bitmap_set): Ditto.
6594 (bitmap_set_subtract): Ditto.
6595 (bitmap_set_equal): Ditto.
6596 (debug_bitmap_set): Ditto.
6597 (find_leader_in_sets): Ditto.
6598 (bitmap_set_replace_value): Modify for bitmapped sets.
6599 (phi_translate): Ditto.
6600 (phi_translate_set): Ditto.
6601 (bitmap_find_leader): Ditto.
6602 (valid_in_sets): Ditto.
6603 (union_contains_value): Ditto.
6605 (compute_antic_aux): Ditto. Mark changed blocks.
6606 (compute_antic): Ditto. Iterate in postorder and only over
6608 (compute_rvuse_and_antic_safe): Reuse postorder.
6609 (create_component_ref_by_pieces): Modify for bitmapped sets.
6610 (find_or_generate_expression): Ditto.
6611 (create_expression_by_pieces): Ditto.
6612 (insert_into_preds_of_block): Ditto.
6613 (changed_blocks): New variable.
6614 (do_regular_insertion): Broken out from insert_aux.
6615 (insert_aux): Modified for bitmapped sets.
6616 (find_existing_value_expr): New function.
6617 (create_value_expr_from): Use it.
6618 (insert_extra_phis): Removed.
6619 (print_bitmap_set): Renamed from bitmap_print_value_set.
6620 (compute_avail): Handle RETURN_EXPR.
6621 (init_pre): Modify for bitmapped sets.
6622 * tree-flow.h (has_stmt_ann): New function.
6624 2006-10-29 Roger Sayle <roger@eyesopen.com>
6626 * builtins.c (fold_builtin_floor): Check for the availability of
6627 the C99 trunc function before transforming floor into trunc.
6629 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6631 * builtins.c (fold_builtin_hypot): Rearrange recursive
6632 transformation before others, and also do ABS_EXPR. When
6633 necessary, check flag_unsafe_math_optimizations. When necessary,
6636 2006-10-29 Roger Sayle <roger@eyesopen.com>
6638 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6639 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6640 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6641 Fold -X eq/ne -Y as X eq/ne Y.
6643 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6645 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6646 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6647 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6648 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6649 Use an inclusive test for "mult" rather than "mul".
6650 (rotr<mode>3): Depend on ISA_HAS_ROR.
6651 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6653 (GENERATE_MULT3_DI): Delete.
6654 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6655 (ISA_HAS_MUL3): New macro.
6656 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6657 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6658 (ISA_HAS_CLZ_CLO): Likewise.
6659 (ISA_HAS_DCLZ_DCLO): Delete.
6660 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6661 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6662 the VR4120 and VR4130.
6663 (ISA_HAS_MACCHI): Use consistent formatting.
6664 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6665 (ISA_HAS_ROR): ...this new macro.
6666 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6667 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6668 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6670 2006-10-29 Roger Sayle <roger@eyesopen.com>
6672 PR tree-optimization/15458
6673 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6676 2006-10-29 Richard Guenther <rguenther@suse.de>
6678 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6679 (ix86_expand_truncdf_32): Likewise.
6680 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6681 trunc inline for SSE math and -fno-trapping-math and if not
6682 optimizing for size.
6683 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6684 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6685 for expanding btrunc inline for SSE math.
6687 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6689 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6690 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6691 i[34567]86-*-solaris2.1[0-9]*.
6692 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6693 Define conditionally depending on TARGET_64BIT_DEFAULT.
6694 (SPEC_32, SPEC_64): Define.
6695 (LINK_SPEC): Use them.
6696 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6698 2006-10-29 Richard Guenther <rguenther@suse.de>
6700 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6701 (ix86_expand_rounddf_32): Likewise.
6702 * config/i386/i386.c (ix86_expand_round): New function expanding
6703 round inline for SSE math and -fno-trapping-math and if not
6704 optimizing for size.
6705 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6706 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6707 round via ix86_expand_round.
6709 2006-10-29 Richard Guenther <rguenther@suse.de>
6711 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6712 (ix86_expand_floorceildf_32): Likewise.
6713 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6714 static helper function.
6715 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6717 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6718 * config/i386/i386.md (floordf2): Adjust to enable floor
6719 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6720 -fno-trapping-math is enabled and if not optimizing for size.
6721 (floorsf2, ceildf2, ceilsf2): Likewise.
6722 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6723 (sse2_maskcmpdf3): Likewise.
6725 2006-10-29 Richard Guenther <rguenther@suse.de>
6727 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6728 rint in case -fno-trapping-math is enabled.
6729 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6730 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6731 (ix86_expand_sse_fabs): Likewise.
6732 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6733 * config/i386/i386.md (rintdf2): Enable for SSE math if
6734 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6735 (rintsf2): Likewise.
6737 2006-10-29 Richard Guenther <rguenther@suse.de>
6739 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6740 to conversion optabs.
6741 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6742 as conversion optab.
6743 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6744 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6745 (lfloor_optab, lceil_optab): Adjust defines.
6746 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6747 lfloor and lceil optabs now being conversion optabs.
6748 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6749 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6750 New static helper function.
6751 (ix86_expand_lfloorceil): New function to expand lfloor and
6753 * config/i386/i386.md (lfloor<mode>2): Split into ...
6754 (lfloorxf<mode>2): ... x87 variant
6755 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6756 using ix86_expand_lfloorceil.
6757 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6759 * doc/md.texi (lfloorMN, lceilMN): Document.
6761 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6763 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6764 -mno-shared assembler option on mips targets.
6765 * configure, config.in: Regenerate.
6766 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6767 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6768 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6770 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6772 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6773 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6775 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6777 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6778 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6781 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6784 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6785 (fold_builtin_pow): Evaluate constant arguments at compile-time
6787 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6788 (do_mpfr_ckconv): New helper function.
6789 (do_mpfr_arg1): Use do_mpfr_ckconv.
6790 (do_mpfr_arg2): New.
6792 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
6795 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6796 (-fdump-rtl-sched): Rename to ..
6797 (-fdump-rtl-sched1): here. Also fix file extension number.
6799 2006-10-28 Richard Guenther <rguenther@suse.de>
6801 * fold-const.c (maybe_canonicalize_comparison): Fix code
6804 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6806 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6807 (NON_QI_REG_P): Use IN_RANGE.
6808 (REX_INT_REGNO_P): Use IN_RANGE.
6809 (FP_REGNO_P): Use IN_RANGE.
6810 (SSE_REGNO_P): Use IN_RANGE.
6811 (REX_SSE_REGNO_P): Use IN_RANGE.
6812 (MMX_REGNO_P): Use IN_RANGE.
6813 (STACK_REGNO_P): New macro.
6814 (STACK_REG_P): Use STACK_REGNO_P.
6815 (NON_STACK_REG_P): Use STACK_REGNO_P.
6816 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6817 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6818 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6819 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6820 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6822 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
6824 * except.h (output_function_exception_table): Add 'const char*' param.
6825 * except.c (switch_to_exception_section): Add 'const char*' param.
6826 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6827 and flag_function_sections is set, use a function-specific section.
6828 (output_function_exception_table): Add 'const char*' param.
6829 Adjust call to switch_to_exception_section.
6830 * final.c (rest_of_handle_final): Adjust calls to
6831 output_function_exception_table.
6832 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6833 * config.in: Regenerate.
6834 * configure: Likewise.
6836 2006-10-28 Richard Guenther <rguenther@suse.de>
6839 * fold-const.c (maybe_canonicalize_comparison_1): Helper
6840 for maybe_canonicalize_comparison.
6841 (maybe_canonicalize_comparison): New function for canonicalizing
6843 (fold_comparison): Call it to canonicalize comparisons with
6846 2006-10-28 Richard Guenther <rguenther@suse.de>
6849 * builtins.c (expand_builtin_int_roundingfn_2): Expand
6850 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6851 (expand_builtin): Adjust likewise.
6852 * genopinit.c (optabs[]): Add lround optab.
6853 * optabs.c (init_optabs): Initialize lround_optab.
6854 * optabs.h (enum convert_optab_index): Add COI_lround.
6855 (lround_optab): Define.
6856 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6857 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6859 (ix86_expand_lround): New function.
6860 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6862 * doc/md.texi (lroundMN2): Document.
6864 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6867 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6868 argument to HOST_WIDE_INT. Update function prototype.
6869 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6870 "size" argument to HOST_WIDE_INT. Update function prototype.
6872 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6874 * config/i386/i386.c (output_387_ffreep): Create output from a
6875 template string for !HAVE_AS_IX86_FFREEP.
6877 2006-10-27 Eric Christopher <echristo@apple.com>
6879 * config/darwin.c: Fix formatting and grammar.
6881 2006-10-27 Jan Hubicka <jh@suse.cz>
6883 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6884 to be thrown away soon when IGNORE is set.
6885 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6886 indicating when return value shall not be computed.
6887 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6889 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6891 * config/i386/i386.h (TARGET_GEODE):
6892 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6893 (TARGET_CPU_DEFAULT_geode): New macro.
6894 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6895 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6896 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6897 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6898 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6900 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6901 (processor_type): Add PROCESSOR_GEODE.
6903 * config/i386/i386.md: Include geode.md.
6906 * config/i386/i386.c (geode_cost): New initialized global
6908 (m_GEODE, m_K6_GEODE): New macros.
6909 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6910 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6911 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6912 x86_schedule): Use m_K6_GEODE instead of m_K6.
6913 (x86_movx, x86_cmove): Set up m_GEODE.
6914 (x86_integer_DFmode_moves): Clear m_GEODE.
6915 (processor_target_table): Add entry for geode.
6916 (processor_alias_table): Ditto.
6918 * config/i386/geode.md: New file.
6920 * doc/invoke.texi: Add entry about geode processor.
6922 2006-10-27 Mike Stump <mrs@apple.com>
6924 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6925 __DYNAMIC__ from here back to ...
6926 * config/darwin.h (CPP_SPEC): ... here.
6928 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6929 Nathan Sidwell <nathan@codesourcery.com>
6931 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6932 when choosing the minimum heapsize.
6934 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6936 * gcc/unwind-dw2.h: Move cfa-related variables into
6937 struct frame_state_reg_info to ensure that the CFA is properly
6938 handled when executing DW_CFA_{remember,restore}_state.
6939 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6940 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6941 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6942 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6943 gcc/config/rs6000/linux-unwind.h,
6944 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6945 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6946 Modify to use new cfa_* fields.
6948 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6950 * config/s390/s390.c (s390_init_frame_layout): Check positive
6953 2006-10-26 Ben Elliston <bje@au.ibm.com>
6955 * gimplify.c (get_name): Remove extraneous break.
6956 (gimplify_omp_for): Initialise ret with GS_OK.
6958 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6960 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6961 Add unix98.o to link line.
6963 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6966 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6967 Calculate compile-time constants using MPFR.
6968 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6969 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6971 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6973 * config/xtensa/lib2funcs.S: Use C-style comments.
6975 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6977 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6978 (file_table_relative_p): Likewise.
6979 (dwarf2out_finish): Likewise.
6980 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6982 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6984 * tree-ssa-structalias.c (intra_create_variable_infos):
6985 Don't recreate nonlocal_all if it already exists.
6987 2006-10-25 Richard Guenther <rguenther@suse.de>
6990 * optabs.h (enum optab_index): Remove OTI_lrint.
6991 (enum convert_optab_index): Add COI_lrint.
6992 (lrint_optab): Adjust.
6993 (expand_sfix_optab): Declare.
6994 * optabs.c (expand_sfix_optab): New function.
6995 (init_optabs): Init lrint_optab as conversion optab.
6996 * genopinit.c (lrint_optab): Change to a conversion optab.
6997 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6998 expansion via conversion optab.
6999 * config/i386/i386.md (*fistdi2_1): Remove
7000 flag_unsafe_math_optimizations guard.
7001 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
7002 fist<mode>2_with_temp): Likewise.
7003 (lrint<mode>2): Split into...
7004 (lrintxf<mode>2): ... x87 part
7005 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
7006 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
7007 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
7008 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
7009 * doc/md.texi (lrintMN2): Document.
7011 2006-10-25 Uros Bizjak <uros@kss-loka.si>
7014 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
7015 Use inc and dec instructions for TARGET_USE_INCDEC.
7016 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
7017 ("sync_double_compare_and_swap<mode>"): Likewise.
7018 ("*sync_double_compare_and_swapdi_pic"): Likewise.
7019 ("*sync_compare_and_swap_cc<mode>"): Likewise.
7020 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
7021 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
7022 ("sync_old_add<mode>"): Likewise.
7023 ("sync_lock_test_and_set<mode>"): Likewise.
7024 ("sync_lock_test_and_set<mode>"): Likewise.
7025 ("sync_add<mode>"): Likewise.
7026 ("sync_sub<mode>"): Likewise.
7027 ("sync_ior<mode>"): Likewise.
7028 ("sync_and<mode>"): Likewise.
7029 ("sync_xor<mode>"): Likewise.
7031 2006-10-25 Uros Bizjak <uros@kss-loka.si>
7033 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
7034 (remainder_optab): Define corresponding macro.
7035 (drem_optab): Remove.
7036 * optabs.c (init_optabs): Initialize remainder_optab. Remove
7037 drem_optab initialization.
7038 * genopinit.c (optabs): Implement remainder_optab using
7039 remainder?f3 patterns. Remove drem_optab.
7040 * builtins.c (expand_builtin_mathfn_2): Handle
7041 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
7042 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
7043 expand_builtin_mathfn_2.
7045 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
7046 depend on flag_unsafe_math_optimizations.
7048 * config/i386/i386.md ("remaindersf3", "remainderdf3")
7049 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
7050 Do not depend on flag_unsafe_math_optimizations. Use
7051 truncxf?f expander instead of truncxf?f_i387_noop.
7053 ("fpremxf4", "fprem1xf4"): Do not depend on
7054 flag_unsafe_math_optimizations.
7055 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
7056 flag_unsafe_math_optimizations. Use truncxf?f expander
7057 instead of truncxf?f_i387_noop.
7059 * doc/md.texi (fmod, remainder): Document standard named pattern.
7061 2006-10-24 Richard Sandiford <richard@codesourcery.com>
7062 David Daney <ddaney@avtrex.com>
7065 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
7067 2006-10-25 Ben Elliston <bje@au.ibm.com>
7069 * doc/extend.texi (Variable Attributes): Typo fix.
7071 2006-10-24 Uros Bizjak <uros@kss-loka.si>
7073 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
7074 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
7075 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
7076 (FRAME_POINTER_REGNUM): Update register number to 21.
7077 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
7078 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
7080 * config/i386/i386.c (regclass_map): Add fpcr entry.
7081 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
7083 (print_reg): Assert REGNO (x) != FPCR_REG.
7085 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
7086 (DIRFLAG_REG): Renumber.
7087 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
7088 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
7089 (sse_prologue_save, *sse_prologue_save_insn): Renumber
7090 hardcoded SSE register numbers.
7092 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
7093 hardcoded MMX register numbers.
7095 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7098 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
7099 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
7101 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
7102 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
7103 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
7104 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
7106 2006-10-24 Richard Guenther <rguenther@suse.de>
7109 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
7110 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
7111 for deciding optimizations in consistency with fold-const.c
7112 (fold_builtin_unordered_cmp): Likewise.
7114 2006-10-24 Richard Guenther <rguenther@suse.de>
7116 * builtins.c (fold_builtin_floor): Fold floor (x) where
7117 x is nonnegative to trunc (x).
7118 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
7119 nonnegative to FIX_TRUNC_EXPR.
7121 2006-10-24 Richard Guenther <rguenther@suse.de>
7123 PR tree-optimization/29567
7124 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
7125 for TRUTH_NOT_EXPR. Clarify comments.
7127 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7130 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
7131 at compile-time using MPFR. Change parameter VALUE to FUNC,
7133 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
7134 for overflow and underflow at all times and avoid folding in
7137 2006-10-24 Ben Elliston <bje@au.ibm.com>
7139 * reload1.c: Formatting fixes.
7141 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
7143 PR tree-optimization/14784
7144 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
7145 * tree-ssa-structalias.c (get_constraint_for,
7146 intra_create_variable_infos): Set is_heapvar.
7147 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
7148 non-heapvar pointer variables specially.
7150 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7153 * builtins.c (fold_builtin_sin, fold_builtin_cos,
7154 fold_builtin_tan): Fold all constant arguments. Take a "type"
7155 argument as necessary.
7156 (do_mpfr_arg1): New.
7157 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
7159 2006-10-23 Bob Wilson <bob.wilson@acm.org>
7161 * config/xtensa/lib1funcs.asm: Use C-style comments.
7163 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
7165 * tree.c (local_define_builtin): Replace calls to
7166 lang_hooks.builtin_function with add_builtin_function.
7167 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
7169 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
7171 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
7172 common code to add_builtin_function.
7173 * langhooks.c (add_builtin_function): New function.
7174 (lhd_builtin_function): New function.
7175 * langhooks.h (struct lang_hooks): Change the signature of
7177 (add_builtin_function): New function.
7178 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
7179 calls to lang_hooks.builtin_function with add_builtin_function.
7180 * c-common.c (decl_builtin_1): Replace calls to
7181 lang_hooks.builtin_function with add_builtin_function.
7182 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
7183 lang_hooks.builtin_function with add_builtin_function.
7184 * config/frv/frv.c (def_builtin): Replace calls to
7185 lang_hooks.builtin_function with add_builtin_function.
7186 * config/s390/s390.c (s390_init_builtins): Replace calls to
7187 lang_hooks.builtin_function with add_builtin_function.
7188 * config/sparc/sparc.c (def_builtin): Replace calls to
7189 lang_hooks.builtin_function with add_builtin_function.
7190 * config/i386/i386.c (def_builtin): Replace calls to
7191 lang_hooks.builtin_function with add_builtin_function.
7192 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
7193 lang_hooks.builtin_function with add_builtin_function.
7194 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
7195 lang_hooks.builtin_function with add_builtin_function.
7196 * config/stormy16/stormy16.c (xstormy16_init_builtins):
7197 Replace calls to lang_hooks.builtin_function with
7198 add_builtin_function.
7199 * config/iq2000/iq2000.c (def_builtin):
7200 Replace calls to lang_hooks.builtin_function with
7201 add_builtin_function.
7202 * config/ia64/ia64.c (def_builtin): Replace calls to
7203 lang_hooks.builtin_function with add_builtin_function.
7204 * config/rs6000/rs6000.c (def_builtin): Replace calls to
7205 lang_hooks.builtin_function with add_builtin_function.
7206 (altivec_init_builtins): Replace calls to
7207 lang_hooks.builtin_function with add_builtin_function.
7208 * config/arm/arm.c (def_mbuiltin): Replace calls to
7209 lang_hooks.builtin_function with add_builtin_function.
7210 (arm_init_tls_builtins): Replace calls to
7211 lang_hooks.builtin_function with add_builtin_function.
7212 * config/mips/mips.c (mips_init_builtins): Replace calls to
7213 lang_hooks.builtin_function with add_builtin_function.
7214 * config/bfin/bfin.c (def_builtin): Replace calls to
7215 lang_hooks.builtin_function with add_builtin_function.
7216 * langhooks-def.h (lhd_builtin_function): New function.
7217 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
7219 2006-10-23 Jakub Jelinek <jakub@redhat.com>
7221 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
7222 BUILT_IN_STRNCAT_CHK.
7224 2006-10-23 Jan Hubicka <jh@suse.cz>
7226 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
7227 don't do conversion from memmove to memcpy here.
7228 (expand_builtin_bcopy, expand_builtin): Update call of
7229 expand_builtin_memmove.
7230 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
7232 2006-10-23 Paul Brook <paul@codesourcery.com>
7234 * stor-layout.c (start_record_layout): maximum_field_alignment
7235 overrides STRUCTURE_SIZE_BOUNDARY.
7237 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
7239 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
7240 nonlocal function symbols if flag_pic.
7242 2006-10-23 Richard Guenther <rguenther@suse.de>
7246 * builtins.c (fold_binary): Remove checks for flag_wrapv
7247 and flag_trapv where negate_expr_p covers these cases.
7249 2006-10-23 Richard Guenther <rguenther@suse.de>
7252 * fold-const.c (fold_plusminus_mult_expr): Check exact power
7253 of two on the absolute value.
7254 (fold_binary): Fold x * -C to -x * C if x is easily negatable
7255 and negating -C does not overflow.
7257 2006-10-23 Richard Guenther <rguenther@suse.de>
7260 * convert.c (convert_to_real): Fold (float)-x to -(float)x
7261 only if not flag_rounding_math.
7263 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7264 Kaz Kojima <kkojima@gcc.gnu.org>
7267 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
7268 SImode memory reference for the source of a movua.
7269 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
7270 (movua): Use an unspec instead of sign_extract. Expect the source
7271 to have mode BLKmode.
7272 (extv, insv): Use a BLKmode rather than SImode memory reference
7273 for the source of a movua.
7275 2006-10-22 Jeff Law <law@redhat.com>
7276 Richard Guenther <rguenther@suse.de>
7278 PR tree-optimization/15911
7279 * tree-vrp.c (extract_code_and_val_from_cond): New function.
7280 (register_edge_assert_for_1): Likewise.
7281 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
7282 (find_conditional_asserts): Adjust for new function signature.
7283 (find_assert_locations): Likewise.
7285 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7287 * config/i386/tmmintrin.h: Remove the duplicated content.
7289 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7291 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
7292 (x86_64-*-*): Likewise.
7294 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
7295 (override_options): Check SSSE3.
7296 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
7297 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
7298 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
7299 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
7300 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
7301 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
7302 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
7303 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
7304 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
7305 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
7306 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
7307 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
7308 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
7309 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
7310 IX86_BUILTIN_PABSD128.
7311 (bdesc_2arg): Add SSSE3.
7312 (bdesc_1arg): Likewise.
7313 (ix86_init_mmx_sse_builtins): Support SSSE3.
7314 (ix86_expand_builtin): Likewise.
7315 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7317 * config/i386/i386.md (UNSPEC_PSHUFB): New.
7318 (UNSPEC_PSIGN): Likewise.
7319 (UNSPEC_PALIGNR): Likewise.
7320 Include mmx.md before sse.md.
7322 * config/i386/i386.opt: Add -mssse3.
7324 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
7325 (ssse3_phaddwv4hi3): Likewise.
7326 (ssse3_phadddv4si3): Likewise.
7327 (ssse3_phadddv2si3): Likewise.
7328 (ssse3_phaddswv8hi3): Likewise.
7329 (ssse3_phaddswv4hi3): Likewise.
7330 (ssse3_phsubwv8hi3): Likewise.
7331 (ssse3_phsubwv4hi3): Likewise.
7332 (ssse3_phsubdv4si3): Likewise.
7333 (ssse3_phsubdv2si3): Likewise.
7334 (ssse3_phsubswv8hi3): Likewise.
7335 (ssse3_phsubswv4hi3): Likewise.
7336 (ssse3_pmaddubswv8hi3): Likewise.
7337 (ssse3_pmaddubswv4hi3): Likewise.
7338 (ssse3_pmulhrswv8hi3): Likewise.
7339 (ssse3_pmulhrswv4hi3): Likewise.
7340 (ssse3_pshufbv16qi3): Likewise.
7341 (ssse3_pshufbv8qi3): Likewise.
7342 (ssse3_psign<mode>3): Likewise.
7343 (ssse3_psign<mode>3): Likewise.
7344 (ssse3_palignrti): Likewise.
7345 (ssse3_palignrdi): Likewise.
7346 (abs<mode>2): Likewise.
7347 (abs<mode>2): Likewise.
7349 * config/i386/tmmintrin.h: New file.
7351 * doc/extend.texi: Document SSSE3 built-in functions.
7353 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
7355 2006-10-22 Ira Rosen <irar@il.ibm.com>
7357 * tree-vect-transform.c (vectorizable_load): Use the type of the
7358 return value of the mask_for_load builtin to create realign_load
7361 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7363 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
7366 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
7368 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
7369 (UNSPEC_LDDQU): This.
7370 * config/i386/sse.md (sse3_lddqu): Updated.
7372 2006-10-21 Richard Guenther <rguenther@suse.de>
7374 * builtins.c (expand_builtin_int_roundingfn_2): New function.
7375 (expand_builtin): Use it to expand lrint instead of
7376 expand_builtin_mathfn.
7378 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7381 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
7382 flag_unsafe_math_optimizations is set.
7384 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7387 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
7388 patterns to use memory input operand in x87->mem->XMM
7389 reload sequences. Skip transformation for TARGET_K8.
7391 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7393 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
7394 force operand1 to register if both operands are memory operands.
7395 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
7396 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
7397 if both operands are memory operands.
7398 (truncdfsf2): Do not force operand1 to register if both operands
7399 are memory operands.
7401 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7403 * Makefile.in (LIBS): Add $(GMPLIBS).
7404 * doc/install.texi: Update GMP and MPFR requirements.
7405 * doc/sourcebuild.texi (need_gmp): Delete.
7407 2006-10-21 Richard Guenther <rguenther@suse.de>
7409 PR tree-optimization/3511
7410 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
7411 got new invariant arguments during PHI translation.
7413 2006-10-21 Richard Guenther <rguenther@suse.de>
7416 * fold-const.c (fold_comparison): Fold signed comparisons
7417 of the form X +- C1 CMP Y +- C2.
7419 2006-10-21 Richard Guenther <rguenther@suse.de>
7422 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
7423 if flag_unsafe_math_optimizations is specified. We have
7424 flag_finite_math_only for that.
7425 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
7426 or flag_unsafe_math_optimizations.
7428 2006-10-21 Richard Guenther <rguenther@suse.de>
7430 * builtins.c (fold_builtin_classify): Fix typo.
7432 2006-10-21 Richard Guenther <rguenther@suse.de>
7435 * simplify-rtx.c (simplify_const_relational_operation):
7436 Do not constant-fold ORDERED and UNORDERED for
7437 flag_unsafe_math_optimizations but only we do not need to
7438 honor NaNs for the given mode.
7440 2006-10-21 Richard Guenther <rguenther@suse.de>
7443 * config/i386/i386.c (classify_argument): Remove redundant
7444 walking of the BINFOs.
7445 (contains_128bit_aligned_vector_p): Likewise.
7447 2006-10-20 Mark Mitchell <mark@codesourcery.com>
7449 * BASE-VER: Set to 4.3.0.
7451 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
7453 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
7454 (tree_decl_with_vis): Remove artificial_pta_var flag.
7455 * tree-flow.h (referenced_var_check_and_insert): Expose.
7456 (nonlocal_all): New prototype.
7457 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
7458 (nonlocal_all): Make global.
7459 (nonlocal_lookup): Remove.
7460 (nonlocal_insert): Ditto.
7461 (create_nonlocal_var): Do not call nonlocal_insert.
7462 (get_nonlocal_id_for_type): Remove.
7463 (find_global_initializers): Mark new vars we find for renaming.
7464 (intra_create_variable_infos): Only create one nonlocal.
7465 (expand_nonlocal_solutions): Remove.
7466 (compute_points_to_sets): Don't call it.
7467 (ipa_pta_execute): Ditto.
7468 (init_alias_heapvars): Don't create nonlocal_for_type.
7469 (delete_alias_heapvars): Don't remove it.
7470 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
7473 2006-10-19 Brooks Moses <bmoses@stanford.edu>
7475 * doc/install.texi (Downloading GCC): Clarify mention of
7476 Fortran in the "full distribution" description.
7478 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
7480 Fix PR tree-optimization/28778
7481 Fix PR tree-optimization/29156
7482 Fix PR tree-optimization/29415
7483 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
7484 (tree_decl_with_vis): Add artificial_pta_var flag.
7485 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
7486 pushed into callers.
7487 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
7488 (nonlocal_all): Ditto.
7489 (struct variable_info): Add directly_dereferenced member.
7490 (var_escaped_vars): New variable.
7491 (escaped_vars_tree): Ditto.
7492 (escaped_vars_id): Ditto.
7493 (nonlocal_vars_id): Ditto.
7494 (new_var_info): Set directly_dereferenced.
7495 (graph_size): New variable
7496 (build_constraint_graph): Use graph_size.
7497 (solve_graph): Don't process constraints that cannot change the
7498 solution, don't try to propagate an empty solution to our
7500 (process_constraint): Set directly_dereferenced.
7501 (could_have_pointers): New function.
7502 (get_constraint_for_component_ref): Don't process STRING_CST.
7503 (nonlocal_lookup): New function.
7504 (nonlocal_insert): Ditto.
7505 (create_nonlocal_var): Ditto.
7506 (get_nonlocal_id_for_type): Ditto.
7507 (get_constraint_for): Allow results vector to be empty in the case
7508 of string constants.
7509 Handle results of calls properly.
7510 (update_alias_info): Update alias info stats on number and type of
7512 (find_func_aliases): Use could_have_pointers.
7513 (make_constraint_from_escaped): Renamed from
7514 make_constraint_to_anything, and changed to make constraints from
7516 (make_constraint_to_escaped): New function.
7517 (find_global_initializers): Ditto.
7518 (create_variable_info_for): Make constraint from escaped to any
7519 global variable, and from any global variable to the set of
7521 (intra_create_variable_infos): Deal with escaped instead of
7522 pointing to anything.
7523 (set_uids_in_ptset): Do type pruning on directly dereferenced
7525 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
7526 (init_base_vars): Fix comment, and initialize escaped_vars.
7527 (need_to_solve): Removed.
7528 (find_escape_constraints): New function.
7529 (expand_nonlocal_solutions): Ditto.
7530 (compute_points_to_sets): Call find_escape_constraints and
7531 expand_nonlocal_solutions.
7532 (delete_points_to_sets): Don't fall off the end of the graph.
7533 (init_alias_heapvars): Initialize nonlocal_for_type and
7535 (delete_alias_heapvars): Free nonlocal_for_type and null out
7538 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
7540 * fold-const.c (add_double): Rename to add_double_with_sign.
7541 Add 'unsigned_p' parameter and take it into account for the overflow.
7542 (mul_double): Rename to mul_double_with_sign.
7543 Add 'unsigned_p' parameter and take it into account for the overflow.
7544 (fold_div_compare): Call add_double_with_sign instead of add_double
7545 and mul_double_with_sign instead of mul_double, passing them the
7546 unsignedness of the type.
7547 * tree.h (add_double): Macroize.
7548 (add_double_with_sign): New prototype.
7549 (mul_double): Macroize.
7550 (mul_double_with_sign): New prototype.
7552 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
7554 * config/score/crti.asm: New file.
7555 * config/score/crtn.asm: New file.
7556 * config/score/elf.h: New file.
7557 * config/score/mac.md: New file.
7558 * config/score/misc.md: New file.
7559 * config/score/mul-div.S: New file.
7560 * config/score/predicates.md: New file.
7561 * config/score/score7.md: New file.
7562 * config/score/score.c: New file.
7563 * config/score/score-conv.h: New file.
7564 * config/score/score.h: New file.
7565 * config/score/score.md: New file.
7566 * config/score/score-mdaux.c: New file.
7567 * config/score/score-mdaux.h: New file.
7568 * config/score/score-modes.def: New file.
7569 * config/score/score.opt: New file.
7570 * config/score/score-protos.h: New file.
7571 * config/score/score-version.h: New file.
7572 * config/score/t-score-elf: New file.
7573 * config.gcc: Add score*-*-* configurations(Update before).
7574 * doc/invoke.texi (Score Options): New section.
7575 * doc/md.texi (Score family): New section to document constraints.
7577 2006-10-19 Nick Clifton <nickc@redhat.com>
7579 * config/arm/arm.c: Fix spelling typo.
7581 2006-10-18 Tom Tromey <tromey@redhat.com>
7583 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7585 2006-10-18 Jan Hubicka <jh@suse.cz>
7588 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7591 2006-10-18 Marcin Dalecki <martin@dalecki.de>
7593 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7594 TSI_SAME_STMT, since that's the desired entity.
7596 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
7598 * config/s390/contraints.md: New file.
7599 * config/s390/s390-protos.h (s390_mem_constraint,
7600 s390_O_constraint_str, s390_N_constraint_str,
7601 s390_float_const_zero_p): Function prototypes added.
7602 * config/s390/s390.c (s390_extra_constraint_str,
7603 s390_const_double_ok_for_constraint_p,
7604 s390_const_ok_for_constraint_p): Functions removed.
7605 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7606 s390_float_const_zero_p): New functions.
7607 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7608 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7609 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7610 Macro definitions removed.
7611 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7612 s390_extra_constraint_str): Functions removed.
7614 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
7615 Richard Sandiford <richard@codesourcery.com>
7618 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7619 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7621 2006-10-16 Geoffrey Keating <geoffk@apple.com>
7623 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7624 (DWARF2_FRAME_REG_OUT): Likewise.
7625 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7626 (DWARF2_FRAME_REG_OUT): Likewise.
7628 2006-10-17 Paul Brook <paul@codesourcery.com>
7630 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7632 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7634 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7635 Standardize on "GNU Fortran" as the official name of the Fortran
7638 2006-10-16 Mike Stump <mrs@apple.com>
7640 * doc/invoke.texi (Darwin Options): Document -mkernel.
7641 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7643 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7644 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7645 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7646 (OS_MISSING_ALTIVEC): Add.
7647 * config/i386/i386.c (override_options): Add
7648 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7649 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7650 -mkernel, -static or -mdynamic-no-pic is given.
7651 (C_COMMON_OVERRIDE_OPTIONS): Add.
7652 * config/darwin.opt (fapple-kext): Add.
7654 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7655 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7657 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7658 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7659 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7660 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7661 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7662 (flag_mkernel): Add.
7663 (flag_apple_kext): Add.
7664 (TARGET_KEXTABI): Add.
7665 * config/darwin.c (darwin_handle_kext_attribute): Add.
7666 (DARWIN_VTABLE_P): Add.
7667 (darwin_binds_local_p): Add partial support for rebinding vtables
7669 (darwin_kextabi_p): Add.
7670 (darwin_override_options): Add.
7671 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7672 (darwin_kextabi_p): Add.
7673 (darwin_override_options): Add.
7674 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7675 __DYNAMIC__ and __STATIC__ here.
7677 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7679 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7680 Added mention of "make pdf" target, and Texinfo requirements for
7683 2006-10-16 DJ Delorie <dj@redhat.com>
7685 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7686 into the GOT in case we need a subreg of the address.
7688 2006-10-16 Richard Guenther <rguenther@suse.de>
7691 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7692 SSE builtin documentation. Document SSE2 builtins.
7694 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7696 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7697 symbol in the output file for non-shared links when -nostdlib or
7698 -nodefaultlibs isn't specified.
7700 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7701 posix thread support.
7703 2006-10-15 Jan Hubicka <jh@suse.cz>
7706 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7707 declared always_inline even when not inlining.
7709 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7710 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7711 Andrew Pinski <pinskia@gmail.com>
7714 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7716 2006-10-15 Jan Hubicka <jh@suse.cz>
7717 Richard Guenther <rguenther@suse.de>
7720 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7721 process_function_and_variable_attributes on all variables, including
7722 those discovered during cgraph construction phase.
7724 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7726 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7728 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7730 * config/i386/athlon.md (athlon_fist): Add fisttp.
7732 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7733 Ian Lance Taylor <ian@airs.com>
7736 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7737 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7740 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7742 * config/score/score.c, config/score/score.h: Fix comment
7745 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7748 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7751 2006-10-13 Eric Christopher <echristo@apple.com>
7753 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7755 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7758 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7759 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7760 alignment supported by 32-bit ELF.
7762 2006-10-13 Eric Christopher <echristo@apple.com>
7764 * config/darwin.c (darwin_emit_unwind_label): Strip
7765 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7767 2006-10-13 Richard Guenther <rguenther@suse.de>
7769 PR tree-optimization/29446
7770 * tree-vrp.c (fix_equivalence_set): Remove.
7771 (extract_range_from_assert): Do not call fix_equivalence_set.
7772 (debug_value_range): Print a newline.
7773 (compare_name_with_value): For equivalence sets with
7774 inconsistent value ranges conservatively bail out.
7775 (compare_names): Likewise.
7777 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7779 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7780 and MPFR for gfortran.
7782 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7784 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7785 alignment supported by 32-bit ELF.
7787 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
7791 * c-typeck.c (digest_init): Always allow initializing vectors
7792 that have static storage duration with compound literals.
7793 * tree.c (build_type_attribute_qual_variant): New, based on
7794 build_type_attribute_variant.
7795 (build_type_attribute_variant): Rewrite using the former.
7796 (make_vector_type): Use build_type_attribute_qual_variant to build
7797 type variants. Use type_hash_canon on the others.
7799 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
7800 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
7802 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7804 2006-10-12 Jan Hubicka <jh@suse.cz>
7807 * c-decl.c (c_make_fname_decl): Do not segfault in case where
7808 current_function_decl is set but current_function_scope is not.
7810 2006-10-12 Jie Zhang <jie.zhang@analog.com>
7812 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7813 emit_insn to emit eh_return_internal instruction.
7814 (eh_return_internal): Explicitly set pc.
7816 2006-10-11 Richard Guenther <rguenther@suse.de>
7818 PR tree-optimization/28230
7819 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7820 to the correct place.
7822 2006-10-11 Richard Guenther <rguenther@suse.de>
7825 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7828 2006-10-10 Brooks Moses <bmoses@stanford.edu>
7830 * configure.ac: Added pdf to "Make-hooks"
7831 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7832 targets and *.pdf file patterns in cleanup targets.
7833 * configure: Regenerated.
7835 2006-10-10 Anatoly Sokolov <aesok@post.ru>
7837 * config/avr/predicates.md: New file.
7838 * config/avr/avr.md: Include it.
7839 (REG_SP): New constant.
7840 (peepholes): Use predicates.
7841 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7842 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
7843 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7845 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
7847 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7850 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7853 * builtins.c (var_decl_component_p): New function.
7854 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7855 single entry optimization to variables and components thereof.
7857 2006-10-10 Richard Guenther <rguenther@suse.de>
7859 PR rtl-optimization/29323
7860 * except.c (set_nothrow_function_flags): For functions
7861 that do not bind local bail out early.
7863 2006-10-10 Ben Elliston <bje@au.ibm.com>
7865 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7868 2006-10-09 Richard Henderson <rth@redhat.com>
7870 Revert emutls patch.
7872 2006-10-09 Richard Guenther <rguenther@suse.de>
7875 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7878 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7881 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7882 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7883 * configure: Regenerate.
7884 * config.in: Regenerate.
7886 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7888 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7890 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7892 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7893 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7894 Remove stray newline.
7896 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7898 * config/mips/mips.c (mips_classify_symbol): Do not return
7899 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7900 (mips_in_small_data_p): Tweak comments.
7902 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7904 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7906 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7908 * gimplify.c, sched-int.h: Fix comment typos.
7910 * sched-int.h: Fix comment typos.
7912 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7914 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7916 * sched-ebb.c (begin_schedule_ready): Use them.
7917 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7918 add_to_speculative_block, create_check_block_twin, speculate_insn,
7919 fix_jump_move, move_block_after_check): Ditto.
7920 * sched-rgn.c (new_ready): Ditto.
7922 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7924 PR rtl-optimization/29128
7925 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7926 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7927 allow interblock movement of speculation checks.
7929 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7932 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7933 casted to integer type.
7934 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7935 if they are significantly more expensive than [reg + index] ones.
7937 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7939 PR tree-optimization/29330
7940 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7941 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7942 on newly allocated ddrs.
7943 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7944 to VEC (loop_p, heap) pointer.
7945 (compute_data_dependences_for_loop): Adjust caller.
7946 (free_dependence_relations): Free DDR_LOOP_NEST.
7948 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7949 free DEPENDENCE_RELATIONS and DATAREFS.
7952 * builtins.c (expand_builtin_sync_operation,
7953 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7954 Use convert_to_mode to handle promoted arguments.
7956 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7958 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7960 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7962 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7964 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7966 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7967 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7968 Use <modeconstraint> instead of "r" as operand 1 constraint.
7970 2006-10-06 Olivier Hainque <hainque@adacore.com>
7972 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7973 Don't recurse on the pointed-to type.
7974 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7975 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7976 types with components of variable size.
7978 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7980 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7982 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7984 PR tree-optimization/29290
7985 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7989 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7990 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7993 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7994 the number of vector elements fill the rest with zeros.
7996 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7998 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7999 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
8002 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
8004 * config/bfin/bfin.md (subsi3): Lose expander, change previously
8005 unnamed pattern into subsi3. Use correct constraints/predicates.
8006 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
8007 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
8009 2006-10-05 Ira Rosen <irar@il.ibm.com>
8011 * doc/loop.texi: Add data references analysis description.
8013 2006-10-04 Brooks Moses <bmoses@stanford.edu>
8015 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
8017 2006-10-04 Richard Henderson <rth@redhat.com>
8018 Jakub Jelinek <jakub@redhat.com>
8020 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
8021 * builtin-types.def (BT_WORD): Make unsigned.
8022 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8023 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8024 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8025 * c-decl.c (grokdeclarator): Don't error if !have_tls.
8026 * c-parser.c (c_parser_omp_threadprivate): Likewise.
8027 * cgraph.c (decide_is_variable_needed): Look at force_output.
8028 Recurse for emulated tls.
8029 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
8030 checks redundant with decide_is_variable_needed.
8031 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
8032 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8034 * expr.c (emutls_var_address): New.
8035 (expand_expr_real_1): Expand emulated tls.
8036 (expand_expr_addr_expr_1): Likewise.
8037 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8038 * output.h (emutls_finish): Declare.
8039 * toplev.c (compile_file): Call it.
8040 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8041 address before wrapping in CONST.
8042 * varasm.c (emutls_htab, emutls_object_type): New.
8043 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8044 (get_emutls_object_name, get_emutls_object_type): New.
8045 (get_emutls_init_templ_addr, emutls_decl): New.
8046 (emutls_common_1, emutls_finish): New.
8047 (assemble_variable): When emulating tls, swap decls; generate
8048 constructor for the emutls objects.
8049 (do_assemble_alias): When emulating tls, swap decl and target name.
8050 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8052 * emutls.c: New file.
8053 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8054 tls_object for real tls.
8056 2006-10-04 Zack Weinberg <zackw@panix.com>
8058 Fix bug in constraint-check generator, reported by Rask Ingemann
8060 * genpreds.c (add_constraint): Don't remove anything from the
8062 (write_tm_constrs_h): Detect whether "op" argument is used, and
8063 mark it ARG_UNUSED if it isn't.
8064 (write_insn_const_int_ok_for_constraint): Skip the part of the
8065 expression that would test whether "op" (which is not available
8066 here) is a CONST_INT.
8068 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
8071 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
8073 2006-10-03 Geoffrey Keating <geoffk@apple.com>
8075 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
8076 current Leopard versions.
8077 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
8079 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
8081 * doc/install.texi: Fix typos.
8083 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
8085 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
8086 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
8087 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
8089 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
8091 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
8092 arg to be struct mach_header_64* instead.
8094 2006-10-02 Jakub Jelinek <jakub@redhat.com>
8097 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
8098 side effects after the outer expression's post side effects.
8100 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
8102 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
8103 comments to reflect actual behavior and relationship between
8104 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
8106 * doc/c-tree.texi (Working with declarations): Fix documentation
8107 of FIELD_DECL likewise.
8109 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
8112 * doc/extend.texi: Add used variable attribute description.
8114 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
8117 * c.opt (Woverride-init): New.
8118 * c-opts.c (c_common_post_options): Default warn_override_init to
8120 * c-typeck.c (add_pending_init, output_init_element): Warn for
8121 overriding initializers without side effects.
8122 * doc/invoke.texi (-Woverride-init): Document.
8125 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
8127 PR rtl-optimization/28096
8128 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
8129 assignment has already been used as a destination earlier in the block.
8131 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
8133 * builtins.c (expand_builtin_setjmp): Delete.
8134 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
8135 <BUILT_IN_SETJMP_SETUP>: New case.
8136 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
8137 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
8138 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
8139 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
8140 (BUILT_IN_SETJMP_RECEIVER): Likewise.
8141 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
8142 (lower_function_body): Initialize it to false. If it is set to true
8143 at the end of the processing, emit the setjmp dispatcher.
8144 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
8145 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
8146 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
8147 on the rhs of the assignment.
8148 (lower_builtin_setjmp): New function.
8149 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
8150 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
8151 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
8152 to detect calls that can go to non-local labels. Use specific
8153 helper to create the abnormal edges associated with them.
8154 <MODIFY_EXPR>: Likewise.
8155 (make_abnormal_goto_edges): New function extracted from...
8156 (make_goto_expr_edges): ...here. Call it for computed gotos.
8157 (simple_goto_p): Minor tweak.
8158 (tree_can_make_abnormal_goto): New predicate.
8159 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
8160 (tree_purge_dead_abnormal_call_edges): New function.
8161 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
8162 (tree_purge_dead_abnormal_call_edges): Likewise.
8163 (make_abnormal_goto_edges): Likewise.
8164 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
8165 Purge all dead abnormal edges if the call was in the last statement.
8166 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
8167 (execute_fixup_cfg): If there are non-local labels in the function,
8168 scan the basic blocks and split them at calls that can go to non-local
8169 labels or add missing abnormal call edges. Write down the CFG in the
8171 (pass_fixup_cfg): Remove TODO_dump_func flag.
8172 * unwind-sjlj.c: Poison setjmp.
8173 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
8174 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
8175 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
8176 (DONT_USE_BUILTIN_SETJMP): Document it.
8178 2006-09-28 Geoffrey Keating <geoffk@apple.com>
8181 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
8182 to 1 when __ppc64__ is defined.
8183 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
8185 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
8187 2006-09-28 Steve Ellcey <sje@cup.hp.com>
8189 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
8190 * config/ia64/unwind-hpux.c: Delete.
8192 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
8194 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
8195 on the element before gimplifying it, instead of punting if it is of
8198 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
8200 * doc/loop.texi: New file.
8201 * doc/gccint.texi: Reference loop.texi.
8202 * Makefile.in (loop.texi): Add.
8204 2006-09-27 Geoffrey Keating <geoffk@apple.com>
8206 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
8208 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8209 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8211 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
8213 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
8215 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
8217 * doc/install.texi: Document required versions of GMP and MPFR.
8219 2006-09-27 Paul Brook <paul@codesourcery.com>
8222 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
8224 2006-09-27 Richard Sandiford <richard@codesourcery.com>
8226 * reload1.c (alter_reg): Require the alignment of the stack slot to
8227 be at least reg_max_ref_width bytes.
8228 (scan_paradoxical_subregs): Record the largest width in
8231 2006-09-26 Jakub Jelinek <jakub@redhat.com>
8235 * tree-nested.c (struct nesting_info): Added static_chain_added.
8236 (convert_call_expr): Set static_chain_added when adding static
8237 chain. Handle OMP_PARALLEL and OMP_SECTION.
8239 2006-09-25 Matthias Klose <doko@debian.org>
8241 * doc/invoke.texi: Add missing full stop.
8243 2006-09-25 Richard Henderson <rth@redhat.com>
8245 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
8246 before cgraph_function_flags_ready.
8248 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
8249 Adam Nemet <anemet@caviumnetworks.com>
8251 * tree-ssa-loop-ivopts.c (aff_combination_convert,
8252 determine_common_wider_type): New functions.
8253 (get_computation_aff): Use them to simplify arithmetic between
8254 UBASE and CBASE if they are shortened from the same type.
8256 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
8259 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
8260 -2147483647 - 1 instead of 0x80000000.
8262 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
8264 * flags.h (HONOR_NANS): Fix typo in comment.
8266 2006-09-23 Uros Bizjak <uros@kss-loka.si>
8268 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
8270 2006-09-23 Jakub Jelinek <jakub@redhat.com>
8274 * tree.c (merge_attributes, attribute_list_contained): If both
8275 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
8277 * c-typeck.c (comptypes_internal): Don't consider aggregates
8278 in different TUs as compatible if there one set of attributes is
8279 not a subset of the other type's attributes.
8280 (composite_type): Try harder not to create a new aggregate type.
8282 2006-09-22 Geoffrey Keating <geoffk@apple.com>
8284 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
8285 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
8286 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
8287 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
8288 than replicating condition above.
8289 * config.host (i[34567]86-*-*): Always use driver-i386.o.
8291 * config/darwin.h (LINK_SYSROOT_SPEC): New.
8292 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
8293 the linker by default.
8295 2006-09-22 Mike Stump <mrs@apple.com>
8297 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
8300 2006-09-22 Richard Guenther <rguenther@suse.de>
8303 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
8304 sort of stack variables stable.
8306 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
8309 * explow.c (force_reg): Set REG_POINTER flag according to
8312 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
8314 PR tree-optimization/28888
8315 * tree-if-conv.c (combine_blocks): Rewritten.
8316 * tree-cfg.c (tree_verify_flow_info): Check that edges with
8317 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
8319 2006-09-22 Jakub Jelinek <jakub@redhat.com>
8321 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
8324 2006-09-21 Richard Sandiford <richard@codesourcery.com>
8326 * varasm.c (copy_constant): Fix reversed gcc_assert check.
8328 2006-09-21 Janis Johnson <janis187@us.ibm.com>
8330 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
8332 2006-09-21 Roger Sayle <roger@eyesopen.com>
8335 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
8336 dw_fde_current_label, to be the start of the function, i.e. the same
8337 value as dw_fde_begin.
8339 2006-09-20 Richard Sandiford <richard@codesourcery.com>
8341 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
8342 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
8343 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
8344 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
8345 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
8346 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
8347 (abs<mode>2, neg<mode>2): Likewise.
8348 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
8349 (*mips_abs_ps): New define_insn.
8351 2006-09-20 Josh Conner <jconner@apple.com>
8354 * calls.c (expand_call): Allow reuse of structure return stack
8357 2006-09-20 Paul Brook <paul@codesourcery.com>
8359 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
8362 2006-09-20 Janis Johnson <janis187@us.ibm.com>
8364 * doc/extend.texi (Decimal Float): Update for latest draft TR,
8365 clean up terminology.
8367 2006-09-20 Steve Ellcey <sje@cup.hp.com>
8370 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
8371 with tablejumps in them.
8373 2006-09-20 Jakub Jelinek <jakub@redhat.com>
8376 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
8377 wrap it into TARGET_EXPR.
8379 2006-09-20 Eric Christopher <echristo@apple.com>
8381 * config/i386/i386.c (x86_fisttp): Remove.
8382 * config/i386/i386.h (x86_fisttp): Ditto.
8383 (TARGET_FISTTP): Ditto.
8385 2006-09-19 Eric Christopher <echristo@apple.com>
8387 * doc/tm.texi (OBJC_JBLEN): Describe.
8388 * config/i386/darwin.h (OBJC_JBLEN): Define.
8389 * config/rs6000/darwin.h: Ditto.
8391 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
8393 PR rtl-optimization/21299
8394 * reload1.c (reload): Purge invalid ASMs in the final pass.
8396 2006-09-19 Steve Ellcey <sje@cup.hp.com>
8399 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
8400 pointers as legitimate constants.
8402 2006-09-19 Paul Brook <paul@codesourcery.com>
8405 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
8407 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
8409 PR tree-optimization/28887
8410 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
8411 component parts from the reference.
8412 (gather_memory_references_ref): Record the reference without the
8413 nonaddressable component parts.
8415 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
8418 * c-opts.c (c_common_handle_option): Ignore the -std options
8419 if the input language is assembly.
8421 2006-09-17 Ira Rosen <irar@il.ibm.com>
8424 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
8426 (ptr_ptr_may_alias_p): Likewise.
8427 (record_record_differ_p): New function.
8428 (base_object_differ_p): Call record_record_differ_p.
8430 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8433 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
8434 away for the expr argument.
8436 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8439 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
8440 before using it for dumping after vectorizing loops.
8442 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8443 Jack Howarth <howarth@bromo.med.uc.edu>
8446 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
8447 skip on error_mark_node.
8448 (rs6000_darwin64_record_arg_recurse): Likewise.
8450 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8452 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
8453 * doc/rtl.texi: Remove related documentation.
8455 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
8457 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
8460 2006-09-15 Jim Wilson <wilson@specifix.com>
8462 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
8463 Handle symbol offsets same as they are handled in ia64_expand_move
8466 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
8468 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
8469 Add forgotten parameter to the fprintf call.
8471 2006-09-15 Steve Ellcey <sje@cup.hp.com>
8473 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
8475 2006-09-15 Uros Bizjak <uros@kss-loka.si>
8477 * doc/contrib.texi: Add my entry.
8479 2006-09-15 Nick Clifton <nickc@redhat.com>
8481 * doc/md.texi (Processor pipeline description): Fix typo in
8482 example of how to use the absence_set directive and reword the
8483 description to make it slightly easier to read.
8485 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
8487 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
8488 * loop-doloop.c (doloop_optimize): Use it to limit costs of
8489 expanding the number of iterations.
8490 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8492 * cfgrtl.c (emit_insn_at_entry): New function.
8493 * rtl.h (emit_insn_at_entry): Declare it.
8494 * integrate.c (emit_initial_value_sets): Use it.
8496 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
8498 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
8500 (struct loop_work and related VEC declarations): Delete.
8501 (bfin_dump_loops): Print out new member bad.
8502 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
8503 (bfin_scan_loop): Don't recurse.
8504 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
8505 loops. No longer need to update outer loops if the current one is
8506 found bad. Move some validitiy checks to bfin_discover_loop.
8507 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8508 but changed not to check for nesting. Also changed to use the new bad
8510 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8511 time. Use bitmap based test to discover loop nesting.
8513 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
8515 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8518 2006-09-14 Richard Guenther <rguenther@suse.de>
8519 Kazu Hirata <kazu@codesourcery.com>
8521 PR middle-end/28884.
8522 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8523 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8524 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8525 with TARGET_FUNCTION_VALUE.
8527 2006-09-14 Anatoly Sokolov <aesok@post.ru>
8530 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8532 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
8534 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8537 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
8540 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8543 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8545 * basic_block.h (bb_has_eh_pred): Fix comment.
8547 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8549 * flow.c (calculate_global_regs_live): Invalidate eh registers
8550 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8551 (propagate_block): Handle eh registers as if they were set at basic
8553 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8555 * global.c (global_conflicts): Make eh registers to conflict with
8556 pseudos live at basic block begin.
8557 * basic_block.h (bb_has_eh_pred): New function.
8559 2006-09-13 Richard Sandiford <richard@codesourcery.com>
8561 PR rtl-optimization/28982
8562 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8563 index of a PRE_MODIFY or POST_MODIFY address.
8564 * reload1.c (inc_for_reload): Use find_replacement on the original
8565 base and index registers.
8567 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
8569 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8570 for -Os. Update __m128 alignment requirement.
8572 2006-09-13 Jan Hubicka <jh@suse.cz>
8574 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8576 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
8578 PR rtl-optimization/28243
8579 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8580 the insn to which the note was originally attached.
8582 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
8583 Roger Sayle <roger@eyesopen.com>
8585 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8586 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8587 on platforms that don't use dwarf for debug info.
8589 2006-09-12 Jason Merrill <jason@redhat.com>
8592 * builtins.c (expand_builtin_setjmp_receiver): Clobber
8593 hard_frame_pointer_rtx after using it to update the frame pointer.
8595 2006-09-12 Roger Sayle <roger@eyesopen.com>
8597 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8598 (TARGET_ASM_CLOSE_PAREN): Likewise.
8599 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8600 (TARGET_ASM_CLOSE_PAREN): Likewise.
8602 2006-09-12 Roger Sayle <roger@eyesopen.com>
8605 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8606 frame information for frames larger than 512 Kbytes on Tru64 when
8607 using the native assembler.
8609 2006-09-12 Roger Sayle <roger@eyesopen.com>
8613 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8614 and symbols. Instead use the implementation from cse.c's hash_rtx.
8616 2006-09-12 Jan Hubicka <jh@suse.cz>
8618 PR rtl-optimization/28071
8619 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8620 (vect_transform_loop): Likewise.
8621 * tree-vectorizer.c (new_loop_vec_info): Likewise.
8622 (new_loop_vec_info): Likewise.
8623 (destroy_loop_vec_info): Likewise.
8624 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8625 (create_stmt_ann): Likewise.
8626 (create_tree_ann): Rename to ...
8627 (create_tree_common_ann): ... this one; allocate only the common part
8629 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8630 (get_value_handle): Likewise.
8631 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8632 get_tree_common_ann.
8633 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8634 (vinfo_for_stmt): Use stmt annotations.
8635 * tree-flow.h (tree_ann_common_t): New type.
8636 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8637 (tree_ann, get_tree_ann, create_tree_ann): New.
8638 * tree-flow-inline.h (get_function_ann): Do more type checking.
8639 (stmt_ann): Likewise.
8640 (tree_ann): Rename to ...
8641 (tree_common_ann): ... this one; return ony common_ann
8642 (get_tree_ann): Rename to ...
8643 (tree_common_ann): This one; return only common_ann.
8644 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8647 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8649 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8650 with_cpu by default.
8652 * dwarf2out.c (dwarf_file_data): New.
8653 (enum dw_val_class): Add dw_val_class_file.
8654 (struct dw_val_struct): Add val_file.
8655 (file_table): Change to a hash table.
8656 (file_table_emitted): Delete.
8657 (file_table_last_lookup_index): Delete.
8658 (emitcount): Delete.
8659 (last_emitted_file): New.
8660 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8661 (init_file_table): Delete.
8662 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8663 (AT_addr): Add comment.
8667 (print_die): Handle dw_val_class_file.
8668 (print_dwarf_line_table): Update for new file table structure.
8669 (attr_checksum): Do checksum a filename.
8670 (same_dw_val_p, same_attr_p): Do compare a filename.
8671 (size_of_die): Handle dw_val_class_file.
8672 (value_format): Likewise.
8673 (output_die): Likewise. Also, call maybe_emit_file here.
8674 (struct file_info): Constify filenames. Make file_idx a pointer
8675 to a struct dwarf_file_data.
8676 (struct dir_info): Constify directory names. Remove 'used' field.
8677 (struct file_name_acquire_data): New.
8678 (file_name_acquire): New.
8679 (output_file_names): Modify to handle new file data structures.
8680 (add_src_coords_attributes): Use add_AT_file.
8681 (add_call_src_coords_attributes): Likewise.
8682 (dwarf2out_imported_module_or_decl): Likewise.
8683 (gen_subprogram_die): Modify for new file data structures.
8684 (gen_variable_die): Likewise.
8685 (file_table_eq): New.
8686 (file_table_hash): New.
8687 (file_table_last_lookup): New.
8688 (lookup_filename): Rewrite to handle new file data structures.
8689 (maybe_emit_file): Rewrite to handle new file data structures.
8690 (dwarf2out_source_line): Always call lookup_filename and
8692 (dwarf2out_init): Create file_table here.
8693 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8694 (file_table_relative_p): New.
8695 (dwarf2out_finish): Change detection of relative filenames
8696 to work with new file data structures. Move output_line_info call
8697 after debug_info output.
8699 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8704 * config/i386/i386.c (override_options): Always default to 16
8705 byte stack boundary.
8707 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8710 * var-tracking.c (dump_dataflow_set): Start dumping at
8712 (clobber_variable_part): Kill only the variable part in
8713 registers holding it, leaving other variables alone.
8715 2006-09-11 Josh Triplett <josh@freedesktop.org>
8717 * doc/extend.texi (Other Builtins): Actually use the macro
8718 argument in the documentation example for
8719 __builtin_types_compatible_p.
8721 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8723 PR rtl-optimization/28726
8724 * sched-deps.c (sched_analyze_reg): New function extracted from...
8725 (sched_analyze_1): ...here. Call it to analyze references to
8726 registers. Treat again writes to a stack register as writing to the
8728 (sched_analyze_2): ...and here. Call it to analyze references to
8729 registers. Treat again reads of a stack register as reading the
8732 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8733 David Edelsohn <edelsohn@gnu.org>
8736 * config/rs6000/spe.md (frob_df_di): Remove %H.
8737 (frob_di_df): Remove %H. Change evmergelo to mr.
8738 (frob_di_df_2): Remove %H. Change evldd to two loads.
8740 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8742 * doc/cpp.texi: Fix names of charset options.
8744 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8747 * config/i386/i386.c (override_options): Use 128-bit
8748 stack boundary always for 64bits.
8750 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8752 PR rtl-optimization/28636
8753 * combine.c (force_to_mode): Test for side-effects before
8754 substituting by zero.
8755 (simplify_shift_const): Likewise for zero or other constants.
8757 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8760 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8763 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8766 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8767 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8768 returned by mode_for_size, rather than the mode of src itself,
8769 to choose between 32-bit and 64-bit patterns.
8770 (mips_mem_fits_mode_p): New function.
8771 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8772 that the size of the source matches the size of the destination.
8773 (mov_<store>l, mov_<store>r): Likewise.
8775 2006-09-10 Eric Christopher <echristo@apple.com>
8777 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8780 2006-09-09 Eric Christopher <echristo@apple.com>
8783 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8786 2006-09-09 Roger Sayle <roger@eyesopen.com>
8787 Nicolas Setton <setton@adacore.com>
8789 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8791 2006-09-10 Andreas Schwab <schwab@suse.de>
8793 * config/m68k/m68k.md (bungt_rev): New pattern.
8795 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
8796 Dale Johannesen <dalej@apple.com>
8799 * regclass.c (struct reg_pref): Update documentation.
8800 (regclass): Set prefclass to NO_REGS if memory is the best option.
8801 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8803 2006-09-08 Eric Christopher <echristo@apple.com>
8805 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8806 * config/t-slibgcc-darwin: Support x86_64 multilib.
8807 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8808 Return 1 for x86_64-darwin.
8809 * config/i386/t-darwin: Add m64 multilib.
8810 (LIB2_SIDITI_CONV_FUNCS): Use.
8811 (LIB2FUNCS_EXTRA): Ditto.
8812 * config/i386/darwin.h: Support x86_64.
8813 * config/i386/i386.c (override_options): Turn on flag_pic
8814 for x86_64-darwin. Disable flag_omit_pointer.
8815 (get_pc_thunk_name): Assert !TARGET_64BIT.
8816 (legitimate_address_p): Disable machopic addressing for
8818 (legitimize_pic_address): Ditto.
8819 (ix86_expand_move): Ditto.
8820 (ix86_expand_call): Ditto.
8821 (machopic_output_stub): Ditto.
8822 * config/darwin.c (machopic_select_section): Support literal16.
8823 (machopic_select_rtx_section): Ditto.
8824 * config/darwin-sections.def: Ditto.
8825 * config/darwin-64.c: New.
8827 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
8830 * c-tree.h (struct c_arg_info): Add pending_sizes.
8831 * c-parser.c (c_parser_parms_declarator,
8832 c_parser_parms_list_declarator): Initialize pending_sizes.
8833 * c-decl.c (get_parm_info): Initialize pending_sizes.
8834 (get_parm_info): Set pending_sizes.
8835 (grokdeclarator): Call put_pending_sizes for parameters for
8836 function definition only.
8838 2006-09-07 Jason Merrill <jason@redhat.com>
8841 * varasm.c (output_constant): Only strip actual no-op conversions.
8844 * config/i386/i386.c (override_options): Use 128-bit
8845 stack boundary if -msse.
8847 2006-09-07 Eric Christopher <echristo@apple.com>
8849 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8851 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8854 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8856 * dwarf2out.c: Remove strange characters from comment above
8857 dwarf2out_frame_debug_expr.
8859 2006-09-07 Eric Christopher <echristo@apple.com>
8861 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8862 * config/darwin.h: ... to here.
8864 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8866 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8868 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8869 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8871 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8872 TARGET_PARTIAL_FLAG_REG_STALL.
8873 (*ashldi3_cconly_rex64): Likewise.
8874 (*ashlsi3_cmp): Likewise.
8875 (*ashlsi3_cconly): Likewise.
8876 (*ashlsi3_cmp_zext): Likewise.
8877 (*ashlhi3_cmp): Likewise.
8878 (*ashlhi3_cconly): Likewise.
8879 (*ashlqi3_cmp): Likewise.
8880 (*ashlqi3_cconly): Likewise.
8881 (*ashrdi3_cmp_rex64): Likewise.
8882 (*ashrdi3_cconly_rex64): Likewise.
8883 (*ashrsi3_cmp): Likewise.
8884 (*ashrsi3_cconly): Likewise.
8885 (*ashrsi3_cmp_zext): Likewise.
8886 (*ashrhi3_cmp): Likewise.
8887 (*ashrhi3_cconly): Likewise.
8888 (*ashrqi3_cmp): Likewise.
8889 (*ashrqi3_cconly): Likewise.
8890 (*lshrdi3_cmp_rex64): Likewise.
8891 (*lshrdi3_cconly_rex64): Likewise.
8892 (*lshrsi3_cmp): Likewise.
8893 (*lshrsi3_cconly): Likewise.
8894 (*lshrsi3_cmp_zext): Likewise.
8895 (*lshrhi3_cmp): Likewise.
8896 (*lshrhi3_cconly): Likewise.
8897 (*lshrqi2_cmp): Likewise.
8898 (*lshrqi2_cconly): Likewise.
8900 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8903 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8904 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8905 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8906 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8907 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8908 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8909 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8910 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8911 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8912 implement only CC setting effects of shift instructions.
8914 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8916 * doc/contrib.texi: Add myself.
8918 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8921 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8922 was set by the user.
8924 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8927 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8928 (divsi_inv_m1): Use them.
8929 (UNSPEC_DIV_INV_TABLE): New constant.
8931 2006-09-06 James E Wilson <wilson@specifix.com>
8934 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8935 then call count_or_remove_death_notes.
8937 2006-09-06 Jason Merrill <jason@redhat.com>
8940 * tree-inline.c (copy_result_decl_to_var): New fn.
8941 (declare_return_variable): Use it. Call declare_inline_vars here.
8942 (expand_call_inline): Not here.
8944 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8946 * doc/contrib.texi: Update my entry.
8948 2006-09-06 Nick Clifton <nickc@redhat.com>
8950 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8952 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8955 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8956 (canonicalize_induction_variables): Likewise.
8957 (tree_unroll_loops_completely): Likewise.
8958 (tree_ssa_prefetch_arrays): Likewise.
8959 (remove_empty_loops): Likewise.
8960 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8961 TODO_cleanup_cfg instead of directly calling
8962 cleanup_tree_cfg_loop.
8963 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8965 (tree_unroll_loops_completely): Likewise.
8966 (remove_empty_loops): Likewise.
8967 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8968 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8969 of tree_ssa_unswitch_loops.
8970 (tree_ssa_loop_ivcanon): Use the return value of
8971 canonicalize_induction_variables.
8972 (tree_ssa_empty_loop): Use the return value of
8974 (tree_complete_unroll): Use the return value of
8975 tree_unroll_loops_completely.
8976 (tree_ssa_loop_prefetch): Use the return value of
8977 tree_ssa_prefetch_arrays.
8978 * passes.c (execute_todo): Before Cleanup CFG, set
8979 updating_used_alone and after cleanup CFG, call
8980 recalculate_used_alone.
8982 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8985 * tree-vect-transform.c (vectorizable_condition): Move the check
8986 for the type after the check for simple condition.
8988 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8989 Kaz Kojima <kkojima@gcc.gnu.org>
8992 * mode-switching.c (optimize_mode_switching): Make the destination
8993 block of an abnormal edge have no anticipatable mode. Don't
8994 insert mode switching code at the end of the source block of
8997 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8999 PR rtl-optimization/26847
9000 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
9001 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
9002 (simplify_plus_minus): Count n_constants while filling ops. Replace
9003 qsort with insertion sort. Before going through the array to simplify
9004 pairs, sort it. Delay early exit until after the first sort, exiting
9005 only if no swaps occurred. Simplify pairs in reversed order, without
9006 special-casing the first iteration. Pack ops after simplifying pairs.
9008 2006-09-05 Anatoly Sokolov <aesok@post.ru>
9010 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
9011 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9012 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9013 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
9015 2006-09-05 Richard Guenther <rguenther@suse.de>
9017 PR tree-optimization/28900
9018 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
9019 compound conditional before creating COND_EXPR condition.
9021 2006-09-05 Richard Guenther <rguenther@suse.de>
9023 PR tree-optimization/28905
9024 * tree-vrp.c (fix_equivalence_set): Manually implement
9025 !value_ranges_intersect_p to also handle symbolic ranges.
9027 2006-09-05 Richard Guenther <rguenther@suse.de>
9030 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
9033 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
9035 PR rtl-optimization/27616
9036 * cse.c (table_size): New static variable.
9037 (new_basic_block): Initialize it to 0.
9038 (remove_from_table): Decrement it.
9039 (insert): Increment it.
9040 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
9041 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
9042 fold_rtx_mem_1 if under the cap.
9043 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
9044 the lookup of the equivalent expression and test for equality of the
9045 first operand of the equivalent expression before in turn looking up
9046 an equivalent constant for the second operand.
9048 2006-09-02 Geoffrey Keating <geoffk@apple.com>
9051 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9052 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9053 pointer, instead of assuming it is possible to derive the
9054 correct args size from a call insn.
9056 2006-09-02 Jakub Jelinek <jakub@redhat.com>
9059 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
9060 (fold_builtin_mempcpy): Rename to...
9061 (fold_builtin_memory_op): ... this. Optimize one element copy
9063 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
9065 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
9066 (expand_builtin_memcpy, expand_builtin_mempcpy,
9067 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
9068 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
9069 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
9070 BUILT_IN_MEM{CPY,PCPY,MOVE}.
9072 2006-09-01 DJ Delorie <dj@redhat.com>
9074 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
9075 (stzx_16): Likewise.
9076 ("stzx_24_<mode>"): Likewise.
9077 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
9078 ("cmp<mode>_op"): New.
9079 (cmp<mode>): Change to expander; just save operands.
9081 (b<code>): Change to expander, emit compare here.
9082 (s<code>_op): Change to use split and expander.
9083 (s<code>_24_op): Likewise.
9084 (s<code>_<mode>): New.
9085 (s<code>_<mode>_24): New.
9086 (movqicc_<code>_<mode): New.
9087 (movhicc_<code>_<mode>): New.
9090 * config/m32c/m32c.c (compare_op0, compare_op1): New.
9091 (m32c_pend_compare): New.
9092 (m32c_unpend_compare): New.
9093 (m32c_expand_scc): New.
9094 (m32c_expand_movcc): Emit the compare also.
9095 * config/m32c/predicates.md (mra_nopp_operand): New.
9097 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
9098 Richard Guenther <rguenther@suse.de>
9099 Adam Nemet <anemet@caviumnetworks.com>
9102 * builtins.c (get_pointer_alignment): Handle more forms
9103 of base addresses that can be used to derive more precise
9104 information about alignment.
9106 2006-09-01 Jason Merrill <jason@redhat.com>
9109 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
9112 * gimplify.c (voidify_wrapper_expr): Handle null type.
9114 2006-09-01 Josh Conner <jconner@apple.com>
9117 * tree-nrv.c (dest_safe_for_nrv_p): New function.
9118 (execute_return_slot_opt): Use it.
9120 2006-08-31 Josh Conner <jconner@apple.com>
9123 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
9124 returning aggregates.
9126 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
9128 PR tree-optimization/28839
9129 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
9130 blocks in that phi arguments appear.
9132 2006-08-31 Roger Sayle <roger@eyesopen.com>
9135 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
9136 NULL, otherwise use an advance_loc4 to adjust relative to the
9138 (output_cfi) <DW_CFA_set_loc>: Update the current label.
9139 (dwarf2out_switch_text_section): Reset the current label to avoid
9140 using advance_loc4 over section boundaries.
9142 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
9145 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
9146 r12 + SYMBOLIC_CONST.
9148 2006-08-30 Richard Guenther <rguenther@suse.de>
9150 * Makefile.in (see.o): Add $(EXPR_H) dependency.
9152 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
9154 PR rtl-optimization/27735
9155 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
9156 Add new argument to keep track of whether an irreducible region
9157 was affected. All callers changed.
9158 (fix_irreducible_loops): Removed.
9159 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
9160 flags were invalidated.
9162 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
9164 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
9165 instead of SF operands.
9166 (*fop_df_comm_sse): Likewise.
9167 (*fop_df_comm_i387): Likewise.
9168 (*fop_df_1_mixed): Likewise.
9169 (*fop_df_1_sse): Likewise.
9171 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
9172 J"orn Rennecke <joern.rennecke@st.com>
9174 PR tree-optimization/17506
9175 * tree-ssa.c (warn_uninit): If warning about a location outside of
9176 the current function, note where the variable was declared.
9178 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
9180 PR tree-optimization/28411
9181 * double-int.c (double_int_div): Use double_int_divmod.
9182 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
9183 double_int_mod, double_int_smod, double_int_umod): New functions.
9184 * double-int.h (double_int_divmod, double_int_sdivmod,
9185 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
9187 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
9189 (get_computation_aff, get_computation_cost_at): Handle double_int
9190 return type of constant_multiple_of.
9192 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
9195 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
9196 an implicit conversion.
9198 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
9200 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
9202 2006-08-27 Roger Sayle <roger@eyesopen.com>
9204 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
9207 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
9209 * config/i386/crtfastmath.c: Fix a comment typo.
9211 2006-08-26 Roger Sayle <roger@eyesopen.com>
9213 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
9214 temporary visit flags on CASE_LABEL_EXPRs.
9215 * c-common.c (match_case_to_enum): Add function comment. Avoid
9216 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
9217 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
9218 CASE_HIGH_SEEN for enumerated types. If the switch expression is
9219 a constant, only warn if that constant value isn't handled.
9221 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
9224 * input.h (restore_input_file_stack): Declare.
9225 (INPUT_FILE_STACK_BITS): Define.
9226 * toplev.c (fs_p, input_file_stack_history,
9227 input_file_stack_restored, restore_input_file_stack): New.
9228 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
9229 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
9230 (pop_srcloc): Don't free old state of stack.
9232 2006-08-26 David Edelsohn <edelsohn@gnu.org>
9235 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
9236 (PowerPC Type Attributes): New.
9238 2006-08-26 Bob Wilson <bob.wilson@acm.org>
9240 * config/xtensa/xtensa.c (function_arg_boundary): New.
9241 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
9243 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
9244 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
9246 2006-08-26 Jakub Jelinek <jakub@redhat.com>
9249 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
9252 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9254 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
9255 (verify_local_live_at_start): Likewise.
9257 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
9260 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
9261 omp_add_variable): Treat sizes as variable whenever not
9264 2006-08-26 Richard Guenther <rguenther@suse.de>
9267 * fold-const.c (fold_binary): Fold temporary to correct
9268 type before constructing new comparison.
9270 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
9273 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
9274 variable again if DECL_SEEN_IN_BIND_EXPR_P.
9276 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
9279 * c-decl.c (start_function): Don't try to process prototype
9280 information from old declaration that isn't a function.
9282 2006-08-25 Jan Hubicka <jh@suse.cz>
9285 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
9287 2006-08-25 Alan Modra <amodra@bigpond.net.au>
9290 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
9293 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
9295 PR tree-optimization/16876
9296 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
9297 exit if PARM doesn't match VALUE.
9299 2006-08-25 Bob Wilson <bob.wilson@acm.org>
9301 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
9302 literal_prefix directive.
9303 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
9304 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9305 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9307 2006-08-25 David Edelsohn <edelsohn@gnu.org>
9310 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
9311 predicate to general_operand. Add 0->y and I->r alternatives.
9313 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
9315 * doc/tm.texi: Fix a typo.
9316 * predict.c: Fix comment typos.
9318 2006-08-25 Nick Clifton <nickc@redhat.com>
9320 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
9321 assertions of "cpu" and "machine".
9323 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
9326 * tree-ssa-operands.c (access_can_touch_variable): Don't say
9327 the access through a base which has an alias set of 0 cannot
9330 2006-08-24 Bill Wendling <wendling@apple.com>
9332 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
9334 2006-08-24 Jan Hubicka <jh@suse.cz>
9336 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
9338 2006-08-24 Jan Hubicka <jh@suse.cz>
9341 * cgraph.c: Fix comments.
9342 (cgraph_varpool_mark_needed_node): Mark only variables not already
9344 * cgraphunit.c: Update comments; include gt-cgraphunit.h
9345 (cgraph_varpool_assembled_nodes_queue): New static variable.
9346 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
9347 (cgraph_varpool_output_debug_info): New function.
9348 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
9349 * Makefile.in: Add gt-cgraphunit.h
9351 2006-08-24 Jan Hubicka <jh@suse.cz>
9353 * predict.c (probability_reliable_p): New predicate.
9354 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
9355 (predict_loops): Do not predict loop exit with less than 2%
9357 * basic-block.h (edge_probability_reliable_p,
9358 br_prob_note_reliable_p): Declare.
9359 * ia64.h (ia64_print_operand): Do not disable on-chip branch
9360 prediction when static predictor is not reliable.
9361 * rs6000.c (output_cbranch): Likewise.
9363 2006-08-23 Stuart Hastings <stuart@apple.com>
9366 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
9367 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
9369 2006-08-21 Geoffrey Keating <geoffk@apple.com>
9372 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
9373 complex values, nor for generic vector values.
9375 2006-08-22 Richard Guenther <rguenther@suse.de>
9378 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
9379 parameter. Convert arguments to arithmetic expression to the
9381 (analyze_scalar_evolution_1): Adjust caller.
9383 2006-08-22 Jan Hubicka <jh@suse.cz>
9385 Patch by Paolo Bonzini
9386 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
9389 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
9391 PR tree-optimization/28003
9392 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
9393 before grouping aliases.
9395 2006-08-22 Roger Sayle <roger@eyesopen.com>
9397 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
9398 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
9400 2006-08-21 Jason Merrill <jason@redhat.com>
9403 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
9404 wrapper. Loop to handle nested wrappers.
9405 (gimplify_bind_expr): Remove temp parameter.
9406 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
9407 and STATEMENT_LIST on the rhs.
9408 (gimplify_statement_list): Voidify the STATEMENT_LIST.
9409 (gimplify_expr): Pass pre_p to gimplify_statement_list.
9410 (gimplify_target_expr): Remove special BIND_EXPR handling.
9412 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
9414 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
9417 2006-08-21 Olivier Hainque <hainque@adacore.com>
9419 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
9420 Arrange for the temporary captures of components overlapping the lhs
9421 to happen before the lhs is possibly cleared.
9423 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
9425 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
9426 necessary places to pass the correct "number of registers" values
9429 2006-08-20 Jan Hubicka <jh@suse.cz>
9431 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
9432 (create_name_tags): Instead of quadratic checking use hashtable.
9433 * bitmap.h: Include hashtab.h.
9434 (bitmap_hash): Declare.
9435 * bitmap.c (bitmap_hash): New function.
9437 2006-08-20 Jan Hubicka <jh@suse.cz>
9439 PR rtl-optimization/28071
9440 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
9442 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
9443 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
9444 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
9445 cgraph_decide_inlining_incrementally): Update use of
9446 cgraph_check_inline_limits.
9447 * cgraph.c (edge_hash, edge_eq): New function.
9448 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
9449 cgraph_edge_remove_caller, cgraph_node_remove_callees,
9450 cgraph_remove_node): Maintain call site hash.
9451 * cgraph.h (struct cgraph_node): Add call_site_hash.
9452 (cgraph_set_call_stmt): New function.
9454 2006-08-20 Jan Hubicka <jh@suse.cz>
9456 PR rtl-optimization/28071
9457 * reload1.c (reg_has_output_reload): Turn into regset.
9458 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
9459 choose_reload_regs, emit_reload_insns): Update to new
9460 reg_has_output_reload.
9462 2006-08-20 Jan Hubicka <jh@suse.cz>
9465 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
9466 function body sizes.
9467 * cgraphunit.c (cgraph_analyze_function): Don't do so.
9469 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
9472 * tree.c (handle_dll_attribute): Return early if not a
9473 var or function decl.
9475 2006-08-18 Joseph Myers <joseph@codesourcery.com>
9478 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
9479 alignment of SPE vector types.
9481 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
9483 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
9485 2006-08-17 Jakub Jelinek <jakub@redhat.com>
9488 * cgraph.h (struct cgraph_node): Remove externally_visible
9490 * cgraphunit.c (process_function_and_variable_attributes): Set
9491 local.externally_visible rather than externally_visible.
9494 * c-common.c (handle_externally_visible_attribute): First look
9495 at TREE_CODE and only if it is function or var decl, check for
9496 non-public objects. Don't warn for DECL_EXTERNAL.
9497 * cgraphunit.c (process_function_and_variable_attributes): Warn
9498 if externally_visible attribute is used on non-public object.
9500 2006-08-17 Jan Hubicka <jh@suse.cz>
9502 PR tree-optimization/27865
9503 * reload1.c (forget_marked_reloads): New function.
9504 (forget_old_reloads_1): When data are passed, just mark the registers
9506 (reload_as_needed): Use the new mechanizm.
9508 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
9511 * reload.h (reg_equiv_alt_mem_list): New declaration.
9512 * reload1.c (reg_equiv_alt_mem_list): New definition.
9513 (reload): Initialize it and release it.
9514 (delete_output_reload): Use it.
9515 * reload.c (push_reg_equiv_alt_mem): New function.
9516 (find_reloads_toplev): Call it.
9517 (find_reloads_address, find_reloads_address_1): Likewise.
9518 (find_reloads_subreg_address): Likewise.
9520 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9522 PR rtl-optimization/28489
9523 * sched-ebb.c (begin_schedule_ready): Create basic block
9525 (advance_target_bb): Skip empty blocks.
9526 * haifa-sched.c (bb_note): Make global.
9527 * sched-int.h (bb_note): Add prototype.
9529 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9531 PR tree-optimization/27865
9532 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9534 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9535 fold_used_pointer, pointer_used_p): New functions.
9536 (analyze_scalar_evolution_1): Use fold_used_pointer.
9537 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9538 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9541 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
9544 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9545 or the INTEGER_CST. Fail on a CALL_EXPR.
9546 (fold_offsetof): Pass new argument to fold_offsetof_1.
9547 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
9548 operand into an INDIRECT_REF.
9549 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9551 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9553 PR gcov/profile/26570
9554 * value-prof.c (static_values): Removed.
9555 (tree_find_values_to_profile): Do not set static_values.
9556 (find_values_to_profile): Do not free static_values.
9557 * profile.c (instrument_values): Do not free the values.
9558 (branch_prob): Free the values.
9560 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
9562 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9564 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
9567 * c-typeck.c (build_component_ref): Combine qualifiers of
9568 structure or union and field.
9570 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9572 PR rtl-optimization/28071
9573 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9574 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9575 * tree-into-ssa.c (struct dom_dfsnum): New.
9576 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9578 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9579 compute_global_livein.
9580 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9581 in phi nodes in the correct blocks.
9583 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9585 PR tree-optimization/28364
9586 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9588 (fold_affine_expr): New function.
9589 (may_eliminate_iv): Use fold_affine_expr.
9591 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9594 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9597 2006-08-16 Mike Stump <mrs@apple.com>
9599 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9600 * doc/cppopts.texi (-MD): Likewise.
9602 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
9605 * c-common.c (handle_weak_attribute): Ignore and warn if
9606 not a FUNCTION_ or VAR_DECL.
9608 2006-07-15 Mike Stump <mrs@apple.com>
9611 * c-parser.c (c_parser_typeof_specifier): Don't use
9612 c_finish_expr_stmt, open code desired semantics instead.
9614 2006-08-15 Nick Clifton <nickc@redhat.com>
9616 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9617 fragment to tmake_file only if threads are enabled.
9618 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9619 * config/i386/t-gthr-win32: New file. ... here.
9621 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9624 * c-parser.c (c_parser_compound_statement_nostart): Reset
9625 parser->error after each statement.
9627 2006-08-15 Jakub Jelinek <jakub@redhat.com>
9630 * omp-low.c (lower_omp_parallel): Convert t to
9631 receiver_decl's type.
9632 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9633 source before comparison.
9636 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9637 to itype in assignment to oldival2.
9639 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9643 * c-typeck.c (build_compound_expr): If the second expression
9644 is an error mark, then just return an error mark instead of
9645 creating a COMPOUND_EXPR.
9647 2006-07-14 Mike Stump <mrs@apple.com>
9649 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9651 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9653 * c-decl.c, var-tracking.c: Fix comment typos.
9655 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9657 PR rtl-optimization/28634
9658 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9659 for floating-point modes unless flag_unsafe_math_optimizations.
9661 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9662 Andrew Pinski <pinskia@physics.uc.edu>
9665 * tree.c (build_array_type): Unify array types with
9666 unspecified index_type.
9667 * c-decl.c (grokdeclarator): Make sure we do not modify a
9668 unified incomplete array type.
9669 * c-typeck.c (store_init_value): Create distinct type before
9670 filling in the index type in an initializer from a compound
9673 * c-decl.c (grokdeclarator): Remove code where we copy the
9676 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9678 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9679 into account for TODO_dump_cgraph.
9680 (TODO_update_ssa_no_phi): Likewise.
9681 (TODO_update_ssa_full_phi): Likewise.
9682 (TODO_update_ssa_only_virtuals): Likewise.
9683 (TODO_remove_unused_locals): Likewise.
9684 (TODO_set_props): Likewise.
9685 (TODO_update_stmt_usage): Likewise.
9687 2006-08-13 Dirk Mueller <dmueller@suse.de>
9689 * c-common.c (strict_aliasing_warning): Fix formatting.
9691 2006-08-13 Matthias Klose <doko@debian.org>
9693 * doc/invoke.texi: Fix spelling errors.
9695 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9697 PR rtl-optimization/23454
9698 * reorg.c (relax_delay_slots): Update comment.
9700 2006-08-11 Richard Guenther <rguenther@suse.de>
9703 * simplify-rtx.c (simplify_const_relational_operation):
9704 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9707 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9709 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9710 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9712 2006-08-10 Paul Brook <paul@codesourcery.com>
9714 * final.c (final_scan_insn): Clear current_insn_predicate before
9715 outputting inline asm.
9717 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9719 PR tree-optimization/26197
9720 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9721 get_ref_base_and_extent and overlap_subvar to add only relevant
9722 subvars as may-aliases.
9723 (add_may_alias_for_new_tag): New function, factored out of
9725 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9726 with additional argument.
9727 * tree-flow.h (new_type_alias): Takes additional argument.
9729 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9731 * gcov.c (no_data_file): New flag.
9732 (read_count_file): Set it if data file not present. Assume counts
9734 (output_lines): Don't name the data file, if there wasn't one.
9736 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9738 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9739 (rs6000_generate_compare): Tweak comments.
9740 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9742 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9744 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9745 (var_debug_decl): New function.
9746 (var_reg_set): Follow debug decl link. Add location even if
9747 reg is already known to hold some other variable.
9748 (var_mem_set): Follow debug decl link.
9749 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9750 decl link. Delete other known locations of the variable part
9752 (var_reg_delete, var_mem_delete): Delete other known locations
9753 of the variable part if requested.
9754 (same_variable_part_p): New function.
9755 (add_stores): Select MO_COPY when appropriate.
9756 (vt_initialize): Handle it.
9757 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9758 known locations for MO_SET and MO_CLOBBER.
9759 (find_variable_location_part): New function.
9760 (set_variable_part, delete_variable_part): Use it.
9761 (clobber_variable_part): New function.
9762 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9765 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9767 PR tree-optimization/26969
9768 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9769 with an empty list of PHIs.
9771 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9775 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9778 2006-08-06 Andreas Schwab <schwab@suse.de>
9780 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9781 string. Whitespace and comment fixup.
9783 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9786 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9790 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9793 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9795 2006-08-04 Jan Hubicka <jh@suse.cz>
9799 * reload.c (push_reload): Patch out the mismatching instruction;
9801 (find_reload): Bail out if the instruction was patched out.
9803 2006-08-04 Jan Hubicka <jh@suse.cz>
9805 PR tree-optimization/24888
9806 * tree-inline.c (expand_call_inline): Do not re-record variables.
9807 (declare_inline_vars): Add variable to unexpanded_var_list.
9809 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9810 Roger Sayle <roger@eyesopen.com>
9812 PR rtl-optimization/26244
9813 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9814 inner_const are negative or greater than or equal to the bitsize of
9815 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9816 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9817 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
9818 CONST0_RTX (mode) when the new shift count is greater than or equal to
9819 to the bitsize of the object being shifted and XEXP (y, 0) has no side
9822 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
9824 * tree-cfg.c: Fix a comment typo.
9826 2006-08-03 Mark Mitchell <mark@codesourcery.com>
9829 * varasm.c (output_constant): Give the front end another chance to
9830 expand constants, after stripping NOPs.
9832 2006-08-03 Jan Hubicka <jh@suse.cz>
9834 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9837 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
9839 PR tree-optimization/27770
9840 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9841 declaration removed (moved to tree-flow.h).
9842 (vect_can_force_dr_alignment_p): Likewise.
9843 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9844 (moved from tree-vectorizer.h).
9845 (vect_can_force_dr_alignment_p): Likewise.
9846 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9847 from outside the vectorizer - in particular from cgraph stage.
9848 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9849 the alignment of global arrays when -fsection-anchors is enabled.
9850 * cgraphunit.c (cgraph_increase_alignment): New function.
9851 (cgraph_optimize): Call cgraph_increase_alignment.
9853 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9856 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9857 not reload a SPE symbol_ref into a lo_sum address.
9859 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9862 * dwarf2out.c (prune_unused_types_prune): Move call to
9863 prune_unused_types_update_strings to cover the parent DIE also.
9865 2006-08-02 Jan Hubicka <jh@suse.cz>
9867 PR gcov/profile/28480
9868 * tree-cfg.c (change_bb_for_stmt): New function.
9869 (tree_merge_blocks, tree_split_blocks): Use it.
9871 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9877 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9878 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9879 (cgraph_optimize): Likewise.
9881 2006-08-01 Stuart Hastings <stuart@apple.com>
9883 * rtl.h (UINTVAL) New.
9884 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9885 * testsuite/gcc.dg/20060801-1.c: New.
9887 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9890 * c-typeck.c (build_external_type): Mark used enum types.
9891 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9893 (gen_subprogram_die): Whitespace fix.
9895 2006-08-01 Jan Hubicka <jh@suse.cz>
9897 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9898 bitmap when not needed.
9899 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9902 2006-08-01 Dirk Mueller <dmueller@suse.de>
9904 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9906 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9908 * Makefile.in: Revert part of previous patch:
9909 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9912 2006-07-30 Eric Christopher <echristo@apple.com>
9915 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9916 (PowerPC Variable Attributes): New section.
9918 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9920 PR target/28126 (partial fix)
9921 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9923 2006-07-28 Jan Hubicka <jh@suse.cz>
9925 PR rtl-optimization/28071
9926 * cfgrtl.c (rtl_delete_block): Free regsets.
9927 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9929 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9931 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9932 and variables used in dependencies.
9934 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9936 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9937 %fs for -mcmodel=kernel.
9938 (stack_tls_protect_test_di): Likewise.
9940 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9942 * Makefile.in: Use mkinstalldirs.
9944 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9947 * opts-common.c (prune_options): Skip joined switches.
9949 2006-07-27 Jan Hubicka <jh@suse.cz>
9951 PR rtl-optimization/28071
9952 * cselib.c (cselib_process_insn): Don't remove useless values too
9953 often for very large hashtables.
9955 2006-07-27 Jan Hubicka <jh@suse.cz>
9957 PR rtl-optimization/28071
9958 * global.c (greg_obstack): New obstack.
9959 (allocate_bb_info): Use it.
9960 (free_bb_info): Likewise.
9961 (modify_reg_pav): Likewise.
9963 2006-07-27 Roger Sayle <roger@eyesopen.com>
9965 * builtins.c (fold_fixed_mathfn): When long and long long are the
9966 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9967 functions to their lceil*, lfloor*, lround* and lrint* forms.
9969 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9972 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9974 (rev_branch_insn): Likewise.
9976 2006-07-27 Jan Hubicka <jh@suse.cz>
9978 PR rtl-optimization/28071
9979 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9980 (reg_set_in_bb, max_reg_computed): New static variables.
9981 (regmove_optimize): Free the new array.
9982 (fixup_match_1): Update call of reg_is_remote_constant_p.
9984 2006-07-26 Jan Hubicka <jh@suse.cz>
9986 PR tree-optimization/27882
9987 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9989 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9991 (cgraph_analyze_compilation_unit): Likewise.
9992 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9993 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9994 (cgraph_early_inlinine): Make order garbage collected.
9995 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9997 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9999 * dbxout.c (output_types_sort): Add a comment.
10000 (output_used_types): Free the VEC.
10002 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
10004 * function.c (reorder_fix_fragments): Delete.
10005 (reorder_blocks): Don't call it.
10006 (reorder_blocks_1): Put all subblocks under the origin block.
10008 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
10010 PR rtl-optimization/27907
10011 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
10014 2006-07-25 Roger Sayle <roger@eyesopen.com>
10016 PR middle-end/28473
10017 * convert.c (convert_to_integer): When transforming (T)foo(x) into
10018 bar(x) check that bar's result type can represent all the values of T.
10020 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
10022 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
10024 2006-07-25 Nick Clifton <nickc@redhat.com>
10026 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
10027 size_lookup[] array.
10028 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
10029 (ggc_pch_count_object): Likewise.
10030 (ggc_pch_alloc_object): Likewise.
10031 (ggc_pch_write_object): Likewise.
10032 (init_ggc): Do not attempt to initialize entries in the
10033 size_lookup[] array for objects whose size is greater than than
10034 the length of the array.
10036 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
10038 * dbxout.c (output_used_types_helper): Push queued types
10040 (output_types_sort): New.
10041 (output_used_types): Collect used types on a VEC and sort them
10044 2006-07-24 Richard Guenther <rguenther@suse.de>
10046 PR middle-end/28463
10047 * cgraph.c (cgraph_remove_node): Do not check if dumps
10049 * cgraphunit.c (cgraph_optimize): Likewise.
10051 2006-07-24 Jan Hubicka <jh@suse.cz>
10053 PR rtl-optimization/28071
10054 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
10055 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
10056 splitting before first stmt.
10058 2006-07-24 Jan Hubicka <jh@suse.cz>
10060 PR rtl-optimization/28071
10061 * ipa-inline.c (update_caller_keys): Remove edges that
10062 are no longer inline candidates.
10064 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
10067 * dbxout.c (output_used_types_helper, output_used_types): New.
10068 (dbxout_symbol): Call output_used_types.
10070 2006-07-23 Jan Hubicka <jh@suse.cz>
10074 * cgraph.c (cgraph_varpool_nodes): Export.
10075 (decide_is_variable_needed): Ignored "used" attribute in
10076 unit-at-a-time mode.
10077 * cgraph.h (cgraph_varpool_nodes): Declare.
10078 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
10079 unit-at-a-time mode.
10081 2006-07-23 Roger Sayle <roger@eyesopen.com>
10084 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
10085 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
10086 the __gthrw form of thr_keycreate.
10087 (__gthread_key_delete): Silence the unused argument warning.
10089 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
10092 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
10093 Cache the last found '\0' marker to avoid quadratic behavior.
10095 2006-07-23 Jan Hubicka <jh@suse.cz>
10097 * i386.md (subsi_3_zext): Fix output template.
10099 2006-07-21 Mike Stump <mrs@apple.com>
10101 * doc/invoke.texi (C++ Dialect Options): Note that
10102 -fvisibility-inlines-hidden doesn't affect explicitly
10103 instantiationed inline methods.
10105 2006-07-20 Roger Sayle <roger@eyesopen.com>
10107 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
10108 if the target assembler is GNU binutils' gas.
10109 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
10110 whether to pass GNU gas or native as command line options.
10112 2006-07-20 Jason Merrill <jason@redhat.com>
10114 * tree.c (remove_attribute): New fn.
10115 * tree.h: Declare it.
10117 2006-07-20 Paul Brook <paul@codesourcery.com>
10120 * cse.c (cse_insn): Add destination addresses to hash table. Check if
10121 they are invalidated by this instruction.
10123 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
10126 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
10128 2006-07-20 Eric Christopher <echristo@apple.com>
10131 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
10133 2006-07-19 Eric Christopher <echristo@apple.com>
10135 * config/t-slibgcc-darwin (stmp-lipo): Remove.
10136 Rewrite dependencies for libgcc_s.1.dylib.
10138 2006-07-19 Jakub Jelinek <jakub@redhat.com>
10140 * except.c (duplicate_eh_regions_1): Clear next_peer.
10142 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
10144 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
10145 -mlongcall does not guarantee all calls will be long.
10146 * doc/extend.texi (long_call/short_call): Document that longcall
10147 does not guarantee a long call will be used.
10148 (longcall/shortcall): Likewise.
10150 2006-07-18 Roger Sayle <roger@eyesopen.com>
10152 PR middle-end/28283
10153 * expmed.c (expand_shift): Additionally check that the shift_cost
10154 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
10155 before implementing a LSHIFT_EXPR as a sequence of additions.
10156 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
10157 middle-end that DImode shifts need to be synthesized by expand.
10159 2006-07-18 Diego Novillo <dnovillo@redhat.com>
10162 * tree-ssa-operands.c (access_can_touch_variable): Update
10164 Return true if ALIAS is .GLOBAL_VAR.
10166 2006-07-18 David Daney <ddaney@avtrex.com>
10168 * gcc.c (display_help): Fix typo in help text.
10170 2006-07-18 Olivier Hainque <hainque@adacore.com>
10172 * tree.h (categorize_ctor_elements): Adjust prototype and add
10173 descriptive comment, both in accordance with the interface change
10175 * varasm.c (constructor_static_from_elts_p): New function.
10176 Whether a constructor node is a valid static constant initializer
10177 if all its elements are.
10178 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
10179 * output.h: Declare it.
10180 * expr.c (categorize_ctor_elements_1): Return whether the constructor
10181 is a valid constant initializer instead of computing the number of
10182 non-constant elements. Use constructor_static_from_elts_p for this
10183 purpose. Replace the head comment with an indication that this is a
10184 helper for categorize_ctor_elements.
10185 (categorize_ctor_elements): Same interface change as for the _1
10186 helper. Former head comment from this helper moved here, adjusted to
10187 account for the interface changes.
10188 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
10189 (all_zeros_p): Likewise.
10190 * gimplify.c (gimplify_init_constructor): Decide whether we can make
10191 static versions of the constructor from the categorize_ctor_elements
10192 return value instead of the formerly computed number of non-constant
10195 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
10197 * configure: Regenerate.
10198 * Makefile.in (build_libsubdir): New configure substitution
10199 (build_libobjdir): New variable.
10200 (BUILD_LIBIBERTY): Use it.
10202 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10205 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
10207 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
10210 * c-common.c (handle_weakref_attribute): Ignore attribute in
10211 the same conditions the alias attribute is ignored.
10213 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
10215 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
10216 (dbxout_begin_prologue): Increment scope_labelno.
10218 2006-07-17 Richard Henderson <rth@redhat.com>
10221 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
10224 2006-07-17 Roger Sayle <roger@eyesopen.com>
10225 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10227 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
10228 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
10229 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
10230 functions such as sbrk, write, etc.. Add function prototypes.
10231 Convert function declarations from K&R to ISO C. Cast pointers
10232 to "long" and "unsigned long" instead of "int" and "unsigned int".
10233 Convert tokens following #endif into comments.
10235 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
10237 * invoke.texi: Remove mention of f77; Reformat table for
10238 inline parameter options correctly; mention that -malign-double
10239 is default on x86-64 targets.
10241 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
10243 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
10244 (convert_affine_scev, chrec_convert_aggressive): Use
10245 avoid_arithmetics_in_type_p. Do not check for the subtypes
10248 2006-07-17 Richard Sandiford <richard@codesourcery.com>
10250 PR middle-end/28403
10251 * optabs.c (expand_doubleword_shift): Wrap the call to
10252 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
10254 2006-07-17 Richard Sandiford <richard@codesourcery.com>
10256 PR middle-end/28402
10257 * optabs.c (expand_binop): Pass next_methods rather than methods
10258 to expand_doubleword_shift.
10260 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
10263 * tree.h (dump_addr): Declare.
10264 * print-tree.c (dump_addr): New function.
10265 (print_node_brief, print_node): Use it.
10266 * print-rtl.c (print_rtx): Likewise.
10267 * common.opt (-fdump-noaddr): New option.
10268 * doc/invoke.texi (-fdump-noaddr): Document.
10269 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
10270 (ve_info_hash): Likewise.
10272 2006-07-13 Andrew Haley <aph@redhat.com>
10274 PR tree-optimization/19505
10275 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
10276 edge leaving this block, make sure that the destination of this
10277 block has only one predecessor.
10279 2006-07-17 Richard Guenther <rguenther@suse.de>
10281 PR tree-optimization/28238
10282 * tree-inline.c (copy_bb): Check if we produced valid
10283 gimple copying and substituting a stmt. If not, gimplify
10286 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
10288 * optabs.c (maybe_encapsulate_block): New function extracted from...
10289 (emit_libcall_block): ...here. Invoke it on the block of insns to
10290 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
10291 (emit_no_conflict_block): Likewise.
10293 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10295 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
10297 2006-07-15 Roger Sayle <roger@eyesopen.com>
10299 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
10300 a new NOP_EXPR case of the switch statement.
10302 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
10304 PR middle-end/28160
10305 * stor-layout.c (place_field): Take the bit field with
10306 an excessive size into account in the ms-bitfiled case.
10308 PR middle-end/28161
10309 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
10310 the previous bit field.
10312 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
10315 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
10317 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10319 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
10320 signal frames correctly even when the signal was installed with
10323 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
10325 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
10326 (dbxout_function_end): Use local label LFBB. Remove hook
10328 (dbxout_source_line): Use local label LFBB.
10329 (dbxout_block): Likewise.
10330 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
10331 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
10332 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
10333 and DBX_OUTPUT_NFUN.
10335 2006-07-13 Janis Johnson <janis187@us.ibm.com>
10337 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
10339 2006-07-13 Jan Hubicka <jh@suse.cz>
10341 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
10343 * output.h (align_variable): Declare.
10344 * varasm.c (align_variable): Export.
10345 * value-prof.c (tree_value_profile_transformations): Recompute iterator
10346 when basic block changed.
10348 2006-07-13 Nick Clifton <nickc@redhat.com>
10350 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
10351 walking the LOG_LINKS chain.
10353 2006-07-12 Geoffrey Keating <geoffk@apple.com>
10355 * doc/invoke.texi (C++ Dialect Options): Explain difference
10356 between -fvisibility-inlines-hidden and setting hidden
10357 visibility explicitly.
10359 2006-07-12 Eric Christopher <echristo@apple.com>
10361 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
10362 (stmp-lipo): Depend on libgcc.a.
10364 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
10366 * tree.c: Fix a comment typo.
10368 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
10370 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
10372 (umulhisi3_r): Likewise.
10374 2006-07-12 Paolo Carlini <pcarlini@suse.de>
10377 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
10378 x < 19, vs wchar_t support.
10380 2006-07-12 Nick Clifton <nickc@redhat.com>
10382 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
10383 instead of -isa=sh4.
10385 2006-07-12 Mike Stump <mrs@apple.com>
10387 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
10389 2006-07-10 Eric Christopher <echristo@apple.com>
10391 * config/t-slibgcc-darwin: Rewrite.
10393 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
10396 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
10399 2006-07-08 Matthias Klose <doko@debian.org>
10401 * doc/sourcebuild.texi: Fix typo.
10403 2006-07-07 Mike Stump <mrs@apple.com>
10405 * toplev.c (process_options): Don't give -ffunction-sections may
10406 affect debugging warning for Mach-O.
10408 2006-07-07 James E Wilson <wilson@specifix.com>
10410 * config/mips/mips.md (cpu): Add sb1a.
10411 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
10412 addition to sb1. Adjust comments to clarify SB-1A differences from
10414 (ir_sb1a_load): New. Modify bypasses to use it.
10415 (ir_sb1a_simple_alu): Likewise.
10416 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
10417 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
10418 (mips_issue_rate): Add PROCESSOR_SB1A.
10419 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
10420 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
10421 (TARGET_SB1): Add PROCESSOR_SB1A check.
10422 (TUNE_SB1): Likewise.
10424 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
10425 * config/mips/mips.c (mips_store_data_bypass_p): New.
10426 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
10427 store_data_bypass_p.
10429 2006-07-08 Paul Brook <paul@codesourcery.com>
10432 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
10434 2006-07-07 Richard Guenther <rguenther@suse.de>
10436 PR middle-end/28268
10437 * tree.h (build_one_cst): Declare.
10438 * tree.c (build_one_cst): New function.
10439 * tree-ssa-math-opts.c (get_constant_one): Remove.
10440 (insert_reciprocals): Use build_one_cst.
10441 * fold-const.c (fold_plusminus_mult): Likewise.
10443 2006-07-07 Roger Sayle <roger@eyesopen.com>
10445 * pointer-set.c (pointer_set_destroy): Correct whitespace.
10446 * cfgloopanal.c (dump_graph): Likewise.
10447 * dojump.c (discard_pending_stack_adjust): Likewise.
10448 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
10450 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
10451 * function.c (finalize_block_changes): Likewise.
10452 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
10453 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
10454 * rtl.c (dump_rtx_statistics): Likewise.
10455 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
10457 * varray.c (dump_varray_statistics): Likewise.
10458 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
10459 decode_decimal64, encode_decimal128, decode_decimal128,
10460 decimal_real_to_decimal): Likewise.
10462 2006-07-07 Richard Guenther <rguenther@suse.de>
10464 PR tree-optimization/28187
10465 * tree-vrp.c (vrp_operand_equal_p): New function.
10466 (vrp_bitmap_equal_p): Likewise.
10467 (update_value_range): Use them to compare old and new
10468 max and min values.
10470 2006-07-06 Roger Sayle <roger@eyesopen.com>
10472 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
10473 a default case to switch statement to silence compiler warnings.
10475 2006-07-06 Roger Sayle <roger@eyesopen.com>
10478 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10479 the configured assembler supports the x87's ffreep mnemonic.
10480 * configure: Regenerate.
10481 * config.in: Regenerate.
10483 * config/i386/i386.c (output_387_ffreep): New function.
10484 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
10485 (output_387_reg_move): Likewise.
10487 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
10489 Port to hosts whose 'sort' and 'tail' implementations
10490 treat operands with leading '+' as file names, as POSIX
10491 has required since 2001. However, make sure the code still
10492 works on pre-POSIX hosts.
10493 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
10494 which says you should use "tail -c +N" rather than "tail +Nc".
10495 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
10497 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
10499 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
10502 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10505 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
10506 PRE_{INC,DEC} of TFmode.
10508 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10509 Alan Modra <amodra@bigpond.net.au>
10512 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10515 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10518 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10519 Remove duplicate gtu.
10521 2006-07-05 Jason Merrill <jason@redhat.com>
10525 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10526 * c-common.c (handle_packed_attribute): So don't copy it here.
10527 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10529 2006-07-05 Mike Stump <mrs@apple.com>
10531 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
10533 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
10536 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10538 2006-07-05 Richard Guenther <rguenther@suse.de>
10541 * config/i386/i386.md (*negdf2_1): Restrict pattern to
10542 TARGET_SSE2 targets if using SSE math.
10543 (*absdf2_1): Likewise.
10545 2006-07-05 Richard Guenther <rguenther@suse.de>
10547 PR tree-optimization/28162
10548 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10549 make sure to convert the operands to the correct type.
10551 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
10553 PR tree-optimization/28218
10555 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10556 to calculate and free the dominator information.
10558 2006-07-04 Peter O'Gorman <peter@pogma.com>
10560 * mklibgcc.in: chmod 644 before ranlib during install.
10562 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
10563 J"orn Rennecke <joern.rennecke@st.com>
10565 * configure.ac (.eh_frame data check): Use diff -b.
10567 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
10570 * Makefile.in (BUILD_RTL): Add build/vec.o.
10571 (build/gencondmd.o): Filter out -fkeep-inline-functions.
10572 (build/genextract): Delete.
10573 (build/genautomata): Likewise.
10575 2006-07-04 Alan Modra <amodra@bigpond.net.au>
10578 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10579 128-bit IBM long doubles for ABI_V4.
10581 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
10583 * tree.c (range_in_array_bounds_p): New predicate.
10584 * tree.h (range_in_array_bounds_p): Declare it.
10585 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10586 return a less conservative answer.
10587 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10588 and flag 'is_group'.
10589 (IS_ELEMENT_FOR_GROUP): New macro.
10590 (FOR_EACH_ACTUAL_CHILD): Likewise.
10591 (next_child_for_group): New helper function.
10592 (can_completely_scalarize_p): Take into account groups.
10593 (sra_hash_tree): Handle RANGE_EXPR.
10594 (sra_elt_eq): Likewise.
10595 (lookup_element): Be prepared for handling groups.
10596 (is_valid_const_index): Delete.
10597 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10598 instead of is_valid_const_index.
10599 <ARRAY_RANGE_REF>: New case.
10600 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10601 is_valid_const_index.
10602 <ARRAY_RANGE_REF>: Do not unconditionally punt.
10603 (scan_dump): Dump info for groups too.
10604 (decide_instantiation_1): Likewise.
10605 (decide_block_copy): Assert that the element is not a group.
10606 Propagate decision to groups.
10607 (generate_one_element_ref): Handle RANGE_EXPR.
10608 (mark_no_warning): Iterate over actual childs.
10609 (generate_copy_inout): Likewise.
10610 (generate_element_copy): Likewise.
10611 (generate_element_zero): Likewise.
10612 (generate_element_init_1): Likewise.
10613 (dump_sra_elt_name): Handle RANGE_EXPR.
10615 2006-07-03 Roger Sayle <roger@eyesopen.com>
10617 PR tree-optimization/26251
10618 * tree-ssa-threadupdate.c (redirection_block_p): New function.
10619 (thread_block): When optimizing for size refuse to thread jumps
10620 that would require duplication of blocks other than redirection
10623 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10625 * configure.ac: Fix thinko in previous check-in.
10626 * configure: Regenerate.
10628 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10631 * configure.ac (for lang...): Simplify nesting of conditionals.
10632 Test subdir_requires for non-enabled languages. Move processing
10633 of lang_opt_files and lang_tree_fiels below that test.
10634 * configure: Regenerate.
10635 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10637 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10639 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10641 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10643 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10646 2006-06-29 Jason Merrill <jason@redhat.com>
10653 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10654 * c-common.c (c_determine_visibility): Handle it here.
10655 * c-decl.c (finish_decl): Call c_determine_visibility for
10657 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10658 * tree.h: Likewise.
10659 * varasm.c (default_assemble_visibility): Likewise.
10660 * c-common.c (handle_visibility_attribute): Complain about trying
10661 to give visibility to an already defined class, or trying to change
10662 declared visibility. Always attach the attribute.
10667 * attribs.c (decl_attributes): Ignore type-in-place attributes
10668 once the type has been defined.
10670 2006-06-29 Roger Sayle <roger@eyesopen.com>
10672 PR middle-end/27428
10673 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10674 to indicate the cpplib has issued an error message for us.
10676 2006-06-29 Asher Langton <langton2@llnl.gov>
10679 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10680 insert a label at the end of an function under Mach-O.
10682 2006-06-29 Eric Christopher <echristo@apple.com>
10683 Evan Cheng <evan.cheng@apple.com>
10685 * predicates.md (vector_all_ones_operand): New.
10686 (nonimmediate_or_sse_const_operand): Ditto.
10687 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10688 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10689 (standard_sse_mode_p): Ditto.
10690 (standard_sse_constant_p): Add case for -1 vector.
10691 (ix86_expand_vector_move): Try to use.
10692 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10693 Call standard_sse_constant_opcode.
10694 (*movv4sf_internal): Ditto.
10695 (*movv2df_internal): Ditto.
10697 2006-06-29 Roger Sayle <roger@eyesopen.com>
10699 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10700 of XEXP to extract the operands of a MATCH_CODE rtx.
10702 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10704 * tree.c (tree_size): Do not waste tail padding in
10705 struct tree_string and make the size be the same as
10706 build_string will generate.
10708 2006-06-28 Jason Merrill <jason@redhat.com>
10711 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10712 may_aliases already in the tag's annotations to the bitmap.
10714 2006-06-28 Roger Sayle <roger@eyesopen.com>
10716 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10718 2006-06-28 Roger Sayle <roger@eyesopen.com>
10720 * genpreds.c (generate_switch_p): New function.
10721 (add_mode_tests): Push the new mode test down inside an AND expr
10722 if this allows the switch-suitable MATCH_CODE to be near the root.
10723 (write_match_code_switch): New function to write a MATCH_CODE as
10724 a switch statement.
10725 (write_predicate_stmts): New function to write a predicate RTX
10726 expression as a sequence of statements.
10727 (write_one_predicate_function): Use write_predicate_stmts.
10728 (write_tm_constrs_h): Likewise.
10730 2006-06-26 Fred Fish <fnf@specifix.com>
10732 * config/mips/t-sb1: New file.
10733 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10736 2006-06-26 DJ Delorie <dj@redhat.com>
10738 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10740 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10741 Jayant Sonar <jayants@kpitcummins.com>
10742 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10744 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10745 (subsi3, subsi3_1, subsi3_2): New.
10746 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10747 * config/m32c/mov.md (SI mov peephole): New.
10748 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10749 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10751 2006-06-26 Olivier Hainque <hainque@adacore.com>
10753 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10754 a CALL_EXPR target function declaration.
10756 2006-06-26 Richard Guenther <rguenther@suse.de>
10758 * tree.c (build_string): Do not waste tail padding in
10759 struct tree_string.
10761 2006-06-26 Richard Guenther <rguenther@suse.de>
10763 * ggc-page.c (init_ggc): Add missing element to size_lookup
10767 2006-06-23 Richard Guenther <rguenther@suse.de>
10769 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10770 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10771 alignment requests instead. Add verification code.
10772 Add struct tree_function_decl and struct tree_binfo size to
10773 extra_order_size_table. Add missing element to size_lookup
10776 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10778 PR middle-end/28151
10779 * fold-const.c (const_binop): Be prepared for self returning zero.
10780 Simplify code handling complex values.
10782 2006-06-24 Olivier Hainque <hainque@adacore.com>
10784 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10785 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10788 2006-06-24 Olivier Hainque <hainque@adacore.com>
10790 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10791 ARRAY_REF, so have the callback called for the low bound expression.
10793 2006-06-23 Janis Johnson <janis187@us.ibm.com>
10795 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10796 * c-typeck.c (c_common_type): Disallow operations on decimal float
10797 types and other float types.
10798 * convert.c (convert_to_real): Don't ignore conversions involving
10799 decimal float types.
10801 2006-06-23 Olivier Hainque <hainque@adacore.com>
10803 * tree.c (max_int_size_in_bytes): New function, inspired from
10804 code in function.c:assign_temp.
10805 * tree.h (max_int_size_in_bytes): Declare.
10806 * function.c (assign_temp): Use it.
10807 * gimplify.c (create_tmp_var): Relax the assertions on the type
10808 properties, not mandating constant size any more.
10809 (force_constant_size): New static function.
10810 (gimple_add_tmp_var): Use it, forcing variable size to a
10811 constant upper bound if it is not constant on entry.
10813 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
10816 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10817 for initialization and setting of one_only flag to ...
10818 (i386_pe_encode_section_info): ...here.
10819 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10820 Recheck that the symbol has not been defined.
10822 2006-06-23 Richard Guenther <rguenther@suse.de>
10824 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10825 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10826 alignment requests instead. Add verification code.
10827 Add struct tree_function_decl and struct tree_binfo size to
10828 extra_order_size_table. Add missing element to size_lookup
10831 2006-06-22 Roger Sayle <roger@eyesopen.com>
10832 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10834 PR middle-end/28131
10835 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10836 call to lang_hooks.types.type_for_mode returned NULL_TREE.
10838 2006-06-23 Ben Elliston <bje@au.ibm.com>
10840 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10841 negate dn -- manipulate it directly.
10843 2006-06-22 Roger Sayle <roger@eyesopen.com>
10844 Steven Bosscher <stevenb.gcc@gmail.com>
10847 * reload1.c (gen_reload): Call mark_jump_label on the new insns
10848 generated by gen_move_insn to add REG_LABEL notes if necessary.
10850 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10852 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10853 (leaf_entry): Remove use of MIN_ESA.
10855 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10857 PR rtl-optimization/28121
10858 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10861 2006-06-21 DJ Delorie <dj@redhat.com>
10863 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10865 (mulhisi3_r): Likewise.
10867 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10869 PR middle-end/28034
10870 * coverage.c (coverage_counter_alloc): Leave the index type
10872 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10875 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10877 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10878 section from the "Options for Code Generation Conventions".
10880 2006-06-21 Richard Henderson <rth@redhat.com>
10884 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10886 (global_symbolic_operand): Allow weak symbols, even if local_p.
10888 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10890 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10891 (find_interesting_uses_address): Punt if above function returns true.
10893 2006-06-21 Richard Guenther <rguenther@suse.de>
10895 * configure: Regenerated.
10897 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10899 * config/mips/mips.c (function_arg): Where one part of a
10900 complex argument is in registers and the other part in the stack,
10901 return a REG not a PARALLEL.
10903 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10905 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10906 when cross-compiling. Do not substitute libstdcxx_incdir.
10907 * configure: Regenerated.
10909 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10911 * varasm.c (mergeable_string_section): Check for embedded NULs and
10912 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10913 rather than TREE_STRING_LENGTH bytes.
10915 2006-06-21 Richard Guenther <rguenther@suse.de>
10917 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10918 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10921 2006-06-21 Richrad Guenther <rguenther@suse.de>
10923 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10924 Limit iteration over the dominators.
10926 2006-06-20 Roger Sayle <roger@eyesopen.com>
10928 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10929 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10931 2006-06-20 Richard Guenther <rguenther@suse.de>
10932 Michael Matz <matz@suse.de>
10934 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10936 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10937 * et-forest.h (et_free_pools): Prototype new function.
10938 * et-forest.c (et_free_tree_force): Free parent occurrence.
10939 (et_free_pools): New function.
10940 * dominance.c (free_dominance_info): Free et-forest alloc
10943 2006-06-20 Roger Sayle <roger@eyesopen.com>
10945 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10946 integer modes, attempt to directly construct an integer constant.
10948 * fold-const.c (native_encode_vector): Determine the size of each
10949 element from the vector type instead of the first vector element.
10951 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10952 if all of its elements/components are constant.
10953 (build_constructor_from_list): Likewise.
10955 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10957 PR tree-optimization/27331
10958 * tree-data-ref.c (free_data_ref): New function.
10959 (create_data_ref): Fail if the data reference has unknown access
10961 (free_data_refs): Use free_data_ref.
10963 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10965 PR middle-end/28075
10966 * tree-inline.c (setup_one_parameter): Strip useless
10967 type conversion before adding it to the IR.
10968 (declare_return_variable): Likewise.
10970 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10973 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10975 2006-06-19 Mike Stump <mrs@apple.com>
10977 * tree.c (variably_modified_type_p): VM arguments don't make the
10980 2006-06-19 Richard Guenther <rguenther@suse.de>
10982 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10983 type conversions after folding.
10985 2006-06-19 Richard Guenther <rguenther@suse.de>
10987 * ggc-page.c (extra_order_size_tab): Add entries with
10988 size of struct function and basic_block.
10989 (size_lookup): Extend to cover sizes up to 511.
10990 (ggc_alloc_stat): Adjust user.
10991 (ggc_pch_count_object): Likewise.
10992 (ggc_pch_alloc_object): Likewise.
10993 (ggc_pch_write_object): Likewise.
10995 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10997 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10998 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
11001 2006-06-19 Denis Chertykov <denisc@overta.ru>
11003 * config/avr/libgcc.S : Correct my wrong previous commit.
11005 2006-06-19 Roger Sayle <roger@eyesopen.com>
11008 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
11009 have stripped a SUBREG from the shift count, so we may need to
11010 convert_to_mode back to the type's mode before calling make_tree.
11011 Use new_amount instead of amount to avoid expanding a tree twice.
11013 2006-06-19 Richard Guenther <rguenther@suse.de>
11015 PR middle-end/28045
11016 * fold-const.c (operand_equal_p): Check if the argument types
11017 have the same precision before stripping NOPs.
11019 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
11021 Fix PR tree-optimization/27341
11022 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
11024 * tree-complex.c (pass_lower_complex): Update SMT usage.
11026 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
11028 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
11029 Add a new alternative to the constraint strings. Add move of
11030 operand 1 to 3 to the splitter definition.
11031 ("doloop_si_long"): Second contraint alternative removed.
11033 2006-06-08 Anatoly Sokolov <aesok@post.ru>
11035 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
11036 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
11038 (AVR_HAVE_MOVW) Define.
11039 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
11040 (ASM_SPEC): Add avr25.
11041 (LINK_SPEC): Add avr25.
11042 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
11043 (base_arch_s): Add new member 'have_movw_lpmx'.
11044 (avr_arch_types): Init 'have_movw_lpmx'.
11045 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
11046 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
11047 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
11048 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
11049 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
11051 (avr_file_start): Do not output '.arh' derective.
11052 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
11053 (__do_copy_data): Use __AVR_HAVE_LPMX__.
11054 * config/avr/avr.md (mcu_enhanced): Delete.
11055 (mcu_have_movw): Define.
11056 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
11057 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
11058 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
11059 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
11060 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
11061 attiny861 and at86rf401 devices.
11063 2006-06-18 Jie Zhang <jie.zhang@analog.com>
11065 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
11068 2006-06-17 Karl Berry <karl@gnu.org>
11070 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
11071 doc/gccint.texi, doc/install.texi (@dircategory): Use
11072 "Software development" instead of "Programming", following
11073 the Free Software Directory.
11075 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
11077 * config/i386/i386.c (legitimate_tls_address)
11078 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
11079 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
11080 (*tls_dynamic_gnu2_combine_64): Likewise.
11082 2006-06-16 Richard Guenther <rguenther@suse.de>
11084 PR middle-end/27116
11085 * fold-const.c (negate_expr_p): Do not introduce undefined
11086 overflow in negating INTEGER_CSTs.
11087 (fold_negate_expr): Rename from negate_expr. Revert last
11088 change for folding BIT_NOT_EXPR. Change semantics to
11089 return NULL_TREE for non-simplified negations. Do not
11090 strip type conversions and unify type handling.
11091 (negate_expr): New function, wrap around fold_negate_expr
11092 but ensure building a tree always. Strip type conversions
11093 here, fold to result type.
11094 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
11096 2006-06-16 Roger Sayle <roger@eyesopen.com>
11098 PR middle-end/27802
11099 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
11100 that (would) return their results in stack registers.
11102 2006-06-16 Michael Matz <matz@suse.de>
11103 Richard Guenther <rguenther@suse.de>
11105 * fold-const.c (fold_truthop): Only return new tree node if
11106 we canonicalized something.
11108 2006-06-16 Richard Guenther <rguenther@suse.de>
11110 * function.h (enum function_frequency): Move declaration
11111 out of struct function.
11112 (struct function): Move bool fields and the enum to the bitfield
11113 section. Reorder elements to avoid padding. Remove unused
11114 fields left over from the RTL inliner removal.
11115 * function.c (free_after_compilation): Do not zero removed fields.
11116 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
11117 (ipa-type-escape.o): Likewise.
11119 2006-06-16 Richard Guenther <rguenther@suse.de>
11121 * cgraph.h (struct cgraph_local_info): Turn bool elements
11123 (struct cgraph_node): Likewise.
11124 (struct cgraph_varpool_node): Likewise.
11126 2006-06-15 Richard Guenther <rguenther@suse.de>
11128 * fold-const.c (fold_truth_not_expr): Rename from
11129 invert_truthvalue. Give it fold_* semantics to avoid
11130 generating garbage.
11131 (invert_truthvalue): New function. Wrapper around
11132 fold_truth_not_expr.
11133 (optimize_minmax_comparison): Avoid creating garbage.
11134 (fold_unary): Use fold_truth_not_expr for folding
11136 (fold_ternary): Replace uses of invert_truthvalue with
11137 fold_truth_not_expr where applicable.
11138 * tree.h (fold_truth_not_expr): Prototype.
11140 2006-06-16 Richard Guenther <rguenther@suse.de>
11142 PR tree-optimization/27781
11143 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
11144 * ipa-pure-const.c (target.h): Include.
11145 (analyze_function): Do not analyze functions that do not
11148 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
11150 PR middle-end/27793
11151 * tree-dfa.c (referenced_vars_dup_list): Remove.
11152 (find_referenced_vars): Remove assert.
11153 (referenced_var_check_and_insert): Replace dup list with assert.
11154 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
11155 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
11157 2006-06-15 Richard Guenther <rguenther@suse.de>
11159 * tree-ssa-structalias.c (alias_get_name): Avoid creating
11160 extra unused identifiers if not dumping.
11161 (create_variable_info_for): Likewise.
11163 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
11165 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
11166 (derive_constant_upper_bound): Derive more precise upper bound in
11167 common cases. Return type changed to double_int.
11168 (record_estimate): Reflect the changed return type of
11169 derive_constant_upper_bound.
11170 * double-int.c (double_int_zext, double_int_sext): Fix.
11172 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
11174 * configure.ac (CFLAGS): Get them from the toplevel or from the
11175 configure invocation.
11176 * configure: Regenerate.
11177 * Makefile.in (CFLAGS): Substitute value provided by configure.
11179 2006-06-14 Mark Mitchell <mark@codesourcery.com>
11182 * c-common.h (c_finish_omp_atomic): Adjust declaration.
11183 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
11184 rather than calling add_stmt on it.
11185 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
11187 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
11189 PR middle-end/27959
11190 * reload1.c (reload): Remove registers returned by update_eliminables
11191 from used_spill_regs.
11193 2006-06-13 DJ Delorie <dj@redhat.com>
11195 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
11197 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
11199 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
11200 html__strip_dir, html__mkdir_p. Enhance install-html target.
11201 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
11202 * configure: Regenerate.
11204 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
11206 * fold-const.c (fold_cond_expr_with_comparison): Check for
11207 Objective-C++ as language in deciding COND_EXPR transformation.
11209 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
11212 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
11213 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
11214 * config/sh/lib1funcs.h (SL, SL1): Define.
11215 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
11216 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
11217 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
11218 (OBJS_Os_4_200): New variable.
11219 ($(T)libgcc-Os-4-200.a): Use it.
11220 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
11221 when dividing 1 and/or by 0.
11223 2006-06-13 Roger Sayle <roger@eyesopen.com>
11225 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
11226 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
11227 * configure: Regenerate.
11229 2006-06-13 Jie Zhang <jie.zhang@analog.com>
11231 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
11232 for real instruction.
11234 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11236 PR middle-end/26807
11237 * haifa-sched.c (check_cfg): Handle special case.
11239 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
11242 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
11243 Add debug_info parameter. Chain the vars to the BLOCK instead
11244 of the BIND_EXPR if debug info are requested for them.
11245 (pop_gimplify_context): Adjust for above change.
11246 (gimple_add_tmp_var): Likewise.
11247 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
11248 Add bool parameter.
11249 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
11250 (convert_local_reference): Likewise.
11251 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
11252 (finalize_nesting_tree_1): Request that debug info be emitted
11253 for debug_var_chain.
11255 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11257 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
11258 for PR target/27863.
11260 2006-06-13 Richard Guenther <rguenther@suse.de>
11262 PR middle-end/27536
11263 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
11265 2006-06-13 Richard Guenther <rguenther@suse.de>
11267 PR tree-optimization/27830
11268 * tree-inline.c (copy_body_r): For copying the operand
11269 of an ADDR_EXPR make sure to fold &* afterwards.
11271 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
11273 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
11274 lvalues in the fb_none case with side-effects.
11276 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
11278 * tree-flow.h: Remove the prototype for
11279 compute_phi_arg_on_exit.
11280 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
11281 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
11284 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
11286 * builtins.c (expand_builtin_return_addr): Only use
11287 frame_pointer_rtx when count == 0 and we are expanding
11288 __builtin_return_address.
11290 2006-06-12 Fred Fish <fnf@specifix.com>
11292 * config/mips/mips.c (mips_file_start): Create special section
11293 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
11295 2006-06-11 Eric Christopher <echristo@apple.com>
11297 PR middle-end/27948
11298 * stor-layout.c (place_field): Remove check for
11299 remaining_in_alignment when aligning at the end of a run.
11301 2006-06-11 Eric Christopher <echristo@apple.com>
11304 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
11307 2006-06-11 Roger Sayle <roger@eyesopen.com>
11310 Revert incorrect fix for PR target/27158
11311 2006-05-08 Roger Sayle <roger@eyesopen.com>
11312 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11313 of a reg_equiv_constant if the result is a legitimate constant.
11315 2006-06-11 Roger Sayle <roger@eyesopen.com>
11318 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
11319 extract a CONST_VECTOR element and interpret it as an integer.
11320 (vspltis_constant): Use const_vector_elt_as_int instead of the
11321 macro CONST_VECTOR_ELT in order to handle FP vector modes.
11322 * config/rs6000/predicates.md (easy_vector_const): Consider
11323 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
11325 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
11327 PR middle-end/27942
11328 * stor-layout.c (update_alignment_for_field): Don't add extra
11329 alignment for packed non-bitfield fields in ms_bitfield_layout_p
11332 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
11334 * config/mips/t-rtems: Add EL/EB multilib variants.
11336 2006-06-09 Mike Stump <mrs@apple.com>
11338 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
11340 2006-06-09 David Daney <ddaney@avtrex.com>
11342 * doc/install.texi: Add binutils version recommendation for mips-*-*.
11344 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
11346 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
11348 2006-06-09 Richard Guenther <rguenther@suse.de>
11350 PR tree-optimization/26998
11351 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
11352 of signed types, only TYPE_MIN_VALUE is special, but for both,
11353 minimum and maximum value. Likewise VR_ANTI_RANGE is special
11354 in this case, as is -fwrapv.
11356 2006-06-08 Mike Stump <mrs@apple.com>
11359 * config/darwin.c (darwin_asm_output_anchor): Disable
11360 -fsection-anchors on darwin for now.
11361 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
11362 * rs6000/rs6000.c (optimization_options): Likewise.
11364 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11367 * config/i386/i386.c (classify_argument): Skip fields with invalid
11370 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
11372 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
11373 (cse_insn): Likewise for the stack_pointer_rtx.
11375 2006-06-08 Roger Sayle <roger@eyesopen.com>
11377 * tree-ssa-dom.c (record_conditions): Only record "unordered"
11378 conditions from floating point comparisons.
11380 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
11382 PR middle-end/27733
11383 * expmed.c (struct alg_hash_entry): Fix type of field T
11384 to match synth_mult argument.
11385 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
11387 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11390 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
11393 2006-06-08 Richard Guenther <rguenther@suse.de>
11395 PR middle-end/27116
11396 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
11397 only, if overflow is defined and not trapping.
11398 (negate_expr): Likewise.
11400 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11402 PR tree-optimization/27872
11403 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
11404 flag on the new exit edge of the unrolled loop.
11406 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11408 PR rtl-optimization/26449
11409 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
11411 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
11413 PR middle-end/27793
11414 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
11415 referenced_variables with matching DECL_UID's.
11416 (find_referenced_vars): Make sure duplicate list is empty to start.
11417 (referenced_var_p): Remove.
11418 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
11419 Check if var is in the list, and add if needed. Update the duplicate
11420 list if a different var is in the list with the same DECL_UID.
11421 (add_referenced_var): Call routine to check and insert.
11422 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
11423 * tree-flow.h (referenced_vars_dup_list): External declaration.
11425 2006-06-07 Fred Fish <fnf@specifix.com>
11427 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
11430 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
11433 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
11434 the imaginary and real parts of a clobbered register.
11435 Emit insn to set the imaginary part.
11437 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
11439 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
11440 in lieu of unwind-dw2-fde.c.
11442 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
11444 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
11446 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
11449 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
11450 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
11451 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
11452 V4SImode temporaries and operations instead.
11454 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
11456 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
11459 2006-06-06 Mike Stump <mrs@apple.com>
11461 * Makefile.in: Rename to htmldir to build_htmldir to avoid
11462 installing during build.
11464 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11466 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
11468 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11469 * config/ia64/ia64.c (params.h): New header.
11470 (ia64_optimization_options): New function to adjust parameters.
11471 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
11472 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
11473 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
11475 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
11477 * stor-layout.c (debug_rli): Fix a typo in a debug message.
11479 2006-06-05 Steve Ellcey <sje@cup.hp.com>
11482 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
11484 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
11485 Victor Kaplansky <victork@il.ibm.com>
11487 PR tree-optimization/26360
11488 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
11491 2006-06-04 Roger Sayle <roger@eyesopen.com>
11492 Andrew Pinski <pinskia@physics.uc.edu>
11494 PR middle-end/27382
11495 * c-common.c (c_common_truthvalue_conversion): Explicitly check
11496 for LABEL_DECL before calling DECL_WEAK.
11499 * c-typeck.c (build_binary_op): Likewise, explicitly check for
11500 LABEL_DECL and PARM_DECL.
11502 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
11506 * c-decl.c (grokdeclarator): Disallow variably modified types at
11507 file scope. Avoid marking shared array type of constant size as
11510 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11513 * c-common.c (fold_offsetof_1): Handle static members.
11515 2006-06-04 Eric Christopher <echristo@apple.com>
11517 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11518 (debug_rli): Output value for remaining_in_alignment.
11519 (update_alignment_for_field): Unconditionalize
11520 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11521 extra alignment code.
11522 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11523 ms_bitfield_layout_p code. Rewrite handling of structure fields.
11524 * tree.h (record_layout_info_s): Remove prev_packed.
11525 * doc/extend.texi (ms_struct): Add documentation of format.
11527 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
11529 * tree.h: Declare folding_initializer.
11530 * builtins.c (fold_builtin_constant_p): Give definite answer
11531 if folding inside an initializer.
11532 * fold-const.c: Define folding_initializer.
11533 (START_FOLD_INIT): Save and then set folding_initializer.
11534 (END_FOLD_INIT): Restore folding_initializer.
11536 2006-06-04 Richard Guenther <rguenther@suse.de>
11538 PR tree-optimization/27039
11539 * fold-const.c (fold_comparison): Handle pointer comparison
11540 again for all comparison codes. Compare offsets in signed
11542 (fold_binary): Move code from here.
11544 2006-06-03 Roger Sayle <roger@eyesopen.com>
11547 * config/i386/i386.c (construct_container): Split static issued_error
11548 flag into issued_sse_arg_error, issued_sse_ret_error and
11549 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
11550 requires the use of x87 registers and the user explicitly
11551 specified the -mno-80387 command line option.
11553 2006-06-02 Geoffrey Keating <geoffk@apple.com>
11555 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11556 HAVE_DECL_SIGALTSTACK.
11558 (segv_handler): Use MC_FLD.
11559 * configure.ac: Check for a sigaltstack declaration.
11560 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11561 * configure: Regenerate.
11562 * config.in: Regenerate.
11564 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
11567 * Makefile.in (stmp-fixinc): Fix typo.
11569 2006-06-02 Roger Sayle <roger@eyesopen.com>
11571 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11572 are type correct. Clean-up.
11573 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
11574 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
11576 2006-06-01 DJ Delorie <dj@redhat.com>
11578 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11579 shift, as we've disabled the "switch" insn that needs it.
11581 2006-06-01 Per Bothner <bothner@bothner.com>
11583 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11584 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
11585 * c-ppoutput.c (cb_define): Don't increment line 0.
11587 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
11589 * doc/invoke.texi: Add cpu_type power6.
11590 * config.gcc: Add cpu_type power6.
11591 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11592 to power5+ with Altivec.
11593 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11594 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11596 2006-05-30 Anatoly Sokolov <aesok@post.ru>
11598 * config/avr/avr.h (SET_ASM_OP): Define.
11600 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
11602 * config/bfin/bfin.c: Fix comment typos.
11604 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11607 * doc/install.texi: Document --enable-bootstrap and
11608 --disable-bootstrap.
11610 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11612 * doc/install.texi: Document that InfoZIP can replace jar.
11614 2006-05-31 Roger Sayle <roger@eyesopen.com>
11616 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11617 isn't available, directly generate the simpler x87 patterns without
11618 the (use (const_int 0)).
11619 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11620 implementation isn't available.
11621 (*negdf2_1): Likewise.
11622 (*negxf2_1): XF mode negation is always done using the x87.
11623 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11625 2006-05-31 Roger Sayle <roger@eyesopen.com>
11627 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
11628 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
11630 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11632 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11634 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11635 * config/bfin/bfin.c (basic-block.h): Include.
11636 (struct machine_function): New.
11637 (bfin_init_machine_status): New.
11638 (override_options): Initialize init_machine_status.
11639 (bfin_hardware_loop): New.
11640 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11641 (DEF_VEC_P (loop_info)): New.
11642 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11643 (struct loop_info): New.
11644 (loop_info): New typedef.
11645 (struct loop_work): New.
11646 (loop_work): New typedef.
11647 (DEF_VEC_O (loop_work)): New.
11648 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11649 (bfin_dump_loops): New.
11650 (bfin_bb_in_loop): New.
11651 (bfin_scan_loop): New.
11652 (bfin_optimize_loop): New.
11653 (bfin_reorg_loops): New.
11654 (bfin_reorg): Use bfin_reorg_loops.
11655 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11657 (I_REGNO_P): Simplify.
11658 (DP_REGNO_P, DPREG_P): New macros.
11659 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11660 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11661 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11662 Add LT_REGS, LC_REGS, LB_REGS.
11663 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11665 (REGNO_REG_CLASS): Deal with loop registers.
11666 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11668 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11669 New constants for loop registers.
11670 (UNSPEC_LSETUP_END): New.
11671 (seq_insns): New define_attr. Set it for appropriate insns.
11672 (movsi_insn): Add alternatives for move from/to
11673 loop count registers.
11674 (doloop_end): New define_expand.
11675 (loop_end): New define_insn.
11676 (define_split for bad doloop_end): New.
11677 (lsetup_with_autoinit): New define_insn.
11678 (lsetup_without_autoinit): New define_insn.
11679 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11680 * config/bfin/predicates.md (lc_register_operand): New.
11681 (lt_register_operand): New.
11682 (lb_register_operand): New.
11683 (nondp_register_operand): New.
11684 (nondp_reg_or_memory_operand): New.
11685 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11687 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11689 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11690 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11692 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11694 * Makefile.in (CATALOGS): Add po/ prefix.
11695 * configure: Regenerated.
11697 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11700 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11701 a shift operand before calling shift_op. Avoid redundant call of
11704 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11705 DJ Delorie <dj@redhat.com>
11707 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11708 we're inserting is a singlt-bit constant.
11710 2006-05-30 Roger Sayle <roger@eyesopen.com>
11712 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11713 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11715 2006-05-30 Roger Sayle <roger@eyesopen.com>
11717 PR tree-optimization/23452
11718 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11719 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11720 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11721 complex values and with -ffast-math for FP complex values.
11723 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11725 * c-common.h: Remove the prototype for yyparse.
11726 * rtl.h: Remove the prototype for init_loop.
11728 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11730 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11733 2006-05-30 Roger Sayle <roger@eyesopen.com>
11735 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11737 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11738 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11740 2006-05-30 Dirk Mueller <dmueller@suse.de>
11743 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11744 for CONSTANT_CLASS_P expresisons.
11746 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11749 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11751 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11753 PR tree-optimization/27779
11754 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11755 initial_condition instead of CHREC_LEFT.
11757 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11759 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11760 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11761 Make prototypes ISO C90.
11763 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11764 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11766 * see.c (see_analyze_one_def): Correct check.
11767 (see_get_extension_data): Check if extension is parallel.
11768 (see_get_extension_reg): Likewise.
11770 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11773 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11774 into register for (code == GTU).
11776 2006-05-29 Roger Sayle <roger@eyesopen.com>
11778 PR tree-optimization/24964
11779 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11780 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11781 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11782 abs(x)*abs(x) as x*x for scalar floating point modes.
11784 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11786 PR middle-end/27745
11787 * lambda-code.c (perfect_nestify): Don't copy statements
11788 in the inner loop: move them to the inner loop header.
11790 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11793 * c-tree.texi: Document OpenMP directives and clauses.
11795 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11797 * varasm.c (globalize_decl): Fix indentation.
11799 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11802 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11803 pass_fre, pass_store_ccp, pass_copy_prop,
11804 pass_store_copy_prop, pass_merge_phi, pass_nrv,
11805 pass_return_slot, pass_object_size, pass_lim,
11806 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11807 pass_loop_prefetch and pass_stdarg.
11809 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
11811 * config/bfin/bfin.opt (mfdpic): New option.
11812 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11813 (EXTRA_MULTILIB_PARTS): Likewise.
11814 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11815 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11817 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11818 (CRT_CALL_STATIC_FUNCTION): New.
11819 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11821 (CRT_CALL_STATIC_FUNCTION): New.
11822 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
11824 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11825 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11826 (initialize_trampoline): Changed to handle FD-PIC code generation.
11827 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11828 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11829 (override_options): Disallow -mid-shared-library -mfdpic combination.
11830 Can't do unaligned ops if FD-PIC.
11831 Turn off flag_pic if trying to generate non-id-shared-library
11832 non-fdpic code, since it's not supported.
11833 (bfin_assemble_integer): New function.
11834 (TARGET_ASM_INTEGER): Define.
11835 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11837 * config/bfin/crtn.s: Restore them.
11838 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11840 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11841 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11842 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11843 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11844 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11846 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11847 FDPIC_REGS and FDPIC_FPTR_REGS.
11848 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11849 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11850 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11851 (load_funcdescsi): New pattern.
11852 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11853 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11854 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11856 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11858 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11861 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11863 * tree-flow.h: Remove the prototype for add_type_alias.
11864 * tree-ssa-alias.c (add_type_alias): Remove.
11866 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11868 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11869 config/fr30/fr30.md, config/i386/i386-interix.h,
11870 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11871 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11872 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11873 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11874 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11875 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11876 Follow spelling conventions.
11877 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11878 Follow spelling conventions.
11880 2006-05-27 Richard Guenther <rguenther@suse.de>
11882 PR middle-end/27773
11883 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11884 to produce a constant of value 1 of generic type.
11886 2006-05-27 Dirk Mueller <dmueller@suse.de>
11888 * cgraphunit.c (decide_is_function_needed): Fix wrong
11891 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11893 PR rtl-optimization/27661
11894 * reload.c (find_reloads): When reloading a VOIDmode constant
11895 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11896 use Pmode as mode of the reload register.
11898 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11900 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11901 is enabled at -O and above.
11903 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11906 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11909 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11912 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11913 for anonymous variables explicitly declared by front ends.
11915 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11917 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11918 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11919 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11920 ref-all pointers, run a finalization pass for them.
11921 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11922 (finalize_ref_all_pointers): New function.
11923 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11924 regular pointer type to a ref-all pointer type.
11925 (get_tmt_for): Return the special memory tag for ref-all pointers.
11927 2006-05-25 Richard Guenther <rguenther@suse.de>
11929 PR middle-end/27743
11930 * fold-const.c (fold_binary): Do not look at the stripped
11931 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11933 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11935 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11936 for LT and GT if the computed range is effectively empty.
11938 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11941 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11942 mips_quad_format formats instead of ieee_single_format,
11943 ieee_double_format and ieee_quad_format formats, respectively.
11945 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11947 PR tree-optimization/27639
11948 PR tree-optimization/26719
11949 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11950 call to scev_probably_wraps_p.
11951 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11952 used_in_pointer_arithmetic_p, convert_step): Removed.
11953 (nowrap_type_p): New function.
11954 (scev_probably_wraps_p): Rewritten.
11955 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11956 chrec_convert if chrec_convert_aggressive might have been used.
11957 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11958 scev_direction): New functions.
11959 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11960 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11961 instead of convert_step.
11962 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11963 (convert_step): Declaration removed.
11964 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11966 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11968 * df-core.c: Added to header comments.
11969 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11970 df_ur_bb_info, df_urec_bb_info): Added comments.
11971 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11972 urec, ri problems): Fixed header comments.
11973 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11974 code from df_rd_transfer_function.
11976 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11978 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11979 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11980 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11982 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11984 * expr.c (undefined_operand_subword_p): New.
11985 (emit_move_multi_word): Do not generate move from undefined bits
11986 of a paradoxical subreg.
11988 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11990 PR rtl-optimization/27736
11991 * combine.c (replaced_rhs_value): New variable.
11992 (combine_instructions): Set it.
11993 (distribute_notes): When distributing a note in replaced_rhs_insn,
11994 check whether the value was used in replaced_rhs_value.
11996 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11999 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
12000 add_referenced_var instead of add_referenced_tmp_var.
12001 * tree-complex.c (create_one_component_var): Use add_referenced_var.
12002 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
12003 add_referenced_var.
12004 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
12005 tree_optimize_tail_calls_1): Use add_referenced_var.
12006 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
12007 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
12008 Use add_referenced_var.
12009 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
12010 * gimplify.c (force_gimple_operand): Use add_referenced_var.
12011 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
12012 Use add_referenced_var.
12013 * tree-dfa.c (struct walk_state): Remove.
12014 (find_referenced_vars): Remove walk state and vars_found hash table.
12015 (make_rename_temp): Use add_referenced_var.
12016 (find_vars_r): Pass less parameters to add_referenced_var.
12017 (referenced_var_p): New. Is var in referenced_var hash table.
12018 (referenced_var_insert): Assert var isn't already in hash table.
12019 (add_referenced_var): Don't need walk_state parameter. Add var if it
12020 isn't already in the hash table.
12021 (add_referenced_tmp_var): Remove.
12022 (find_new_referenced_vars_1): Use add_referenced_var.
12023 * tree-ssa-pre.c (create_expression_by_pieces,
12024 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
12025 Use add_referenced_var.
12026 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
12027 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
12028 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
12029 add_referenced_var.
12030 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12031 vect_create_data_ref_ptr, vect_create_destination_var,
12032 vect_init_vector, vect_build_loop_niters,
12033 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
12034 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
12035 Use add_referenced_var.
12036 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
12037 * tree-flow.h (add_referenced_tmp_var): Remove prototype
12038 (add_referenced_var): Add prototype.
12039 * tree-ssa-structalias.c (get_constraint_for,
12040 intra_create_variable_infos): Use add_referenced_var.
12042 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
12044 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
12045 big-endian paradoxical subregs.
12046 * var-tracking.c (struct micro_operation_def): Document that,
12047 for modify micro operations, insn is the subsequent instruction.
12048 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
12049 (var_reg_set, var_mem_set): ... new functions.
12050 (add_stores): Record subsequent insn.
12051 (compute_bb_dataflow): Use new functions for MO_USE.
12052 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
12053 notes after the insn, and modify notes before the insn known
12054 to be the subsequent one.
12055 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
12057 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
12060 * config/i386/i386.c (ix86_expand_builtin): Use
12061 gen_sse3_monitor64 for TARGET_64BIT.
12063 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
12065 PR rtl-optimization/26375
12066 PR rtl-optimization/26855
12067 * df-problems (df_ru_bb_local_compute_process_def): Removed update
12069 (df_ru_bb_local_compute): Reversed statements and removed bogus
12070 comment explaining why they should be in wrong order.
12071 (df_ru_dump, df_rd_dump): Enhanced debug info.
12072 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
12074 * ddg.c (add_deps_for_def): Converted use of reaching defs to
12075 reaching uses and fixed space problem.
12077 2006-05-23 Jan Hubicka <jh@suse.cz>
12079 * cgraphunit.c (decide_is_function_needed): Also nested functions
12080 and functions declared inline can be optimized out at -O0.
12082 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
12084 * doc/install.texi (Configuration): Remove reference to CrossGCC
12085 FAQ which was gone.
12088 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
12091 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
12092 ix86_compare_emitted is non-NULL.
12094 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12097 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
12100 2006-05-22 Richard Sandiford <richard@codesourcery.com>
12102 PR rtl-optimization/25514
12103 * combine.c (replaced_rhs_insn): New variable.
12104 (combine_instructions): Set replaced_rhs_insn when trying to replace
12105 a SET_SRC with a REG_EQUAL note.
12106 (distribute_notes): Use replaced_rhs_insn when determining the live
12107 range of a REG_DEAD register.
12109 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
12110 Anatoly Sokolov <aesok@post.ru>
12112 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
12113 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
12114 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
12115 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
12116 atmega3290, atmega649, atmega6490, atmega406, atmega640,
12117 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
12118 at90usb647, at90usb1286 and at90usb1287 devices.
12119 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
12120 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
12122 2006-05-22 Richard Sandiford <richard@codesourcery.com>
12124 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
12126 2006-05-22 Richard Guenther <rguenther@suse.de>
12129 2006-01-31 Richard Guenther <rguenther@suse.de>
12130 Paolo Bonzini <bonzini@gnu.org>
12132 * doc/install.texi (--disable-libgcc-math): Document.
12134 2006-05-22 Richard Guenther <rguenther@suse.de>
12137 2006-01-31 Richard Guenther <rguenther@suse.de>
12139 * doc/invoke.texi (-msselibm): Document.
12140 * target.h (expand_library_builtin): New target hook.
12141 * builtins.c (expand_builtin): Use expand_library_builtin.
12142 (default_expand_library_builtin): New function.
12143 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12144 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12145 (link_gcc_math_spec): Declare.
12146 (static_specs): Add link_gcc_math_spec.
12147 * expr.h (default_expand_library_builtin): Declare.
12148 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12149 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12150 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12151 * config/i386/i386.opt (msselibm): New target option.
12152 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12153 (ix86_init_sse_abi_builtins): New function.
12154 (ix86_expand_library_builtin): Likewise.
12155 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12156 (override_options): Handle error conditions wrt -msselibm.
12157 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12158 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12159 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12162 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12165 * c-common.c (self_promoting_args_p): Skip erroneous args.
12168 * c-decl.c (finish_struct): Skip erroneous fields.
12170 2006-05-22 Nick Clifton <nickc@redhat.com>
12172 * config/cris/cris.opt (march): Remove VarExists attribute.
12173 (max-stackframe=): Likewise.
12175 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
12177 * doc/rtl.texi: Fix a typo.
12178 * see.c: Fix comment typos.
12180 * tree-ssa-structalias.h (alias_info): Remove num_references.
12182 2006-05-21 Mike Stump <mrs@apple.com>
12184 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
12186 (darwin_pragma_options): Use BAD instead.
12187 (darwin_pragma_unused): Likewise.
12188 (darwin_pragma_ms_struct): Likewise.
12190 2006-05-21 David Edelsohn <edelsohn@gnu.org>
12192 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
12194 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
12196 PR rtl-optimization/27671
12197 * simplify-rtx.c (simplify_relational_operation_1): Fix
12198 simplifications of (eq/ne (xor x y) y) and
12199 (eq/ne (xor x y) x).
12201 PR tree-optimization/26622.
12202 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
12205 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
12207 * tree-cfg.c: Prune whitespace.
12208 (debug_tree_cfg): Point to correct header containing the
12211 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
12213 PR middle-end/25776
12214 * cgraphunit.c (verify_cgraph_node): Typo in error message.
12216 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
12218 PR middle-end/25776
12219 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
12220 or sorry count is non zero.
12222 2006-05-20 Andreas Schwab <schwab@suse.de>
12224 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
12226 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
12227 Kenneth Zadeck <zadeck@naturalbridge.com>
12229 PR rtl-optimization/26855
12231 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
12233 (df_scan_alloc): Added code to properly handle multiword hard
12234 registers and add all_blocks parameter.
12235 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
12236 code to properly handle multiword hard registers.
12237 (df_rescan_blocks): Added code to remove deleted blocks from
12239 (df_ref_create_structure, df_ref_record): Added code to properly
12241 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
12242 and set DF_REF_PARTIAL.
12243 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
12244 (df_uses_record): Added DF_REF_PARTIAL for subreg.
12245 (df_scan_add_problem): Added flags parameter.
12246 (df_ref_create_structure): Changed switching structure.
12247 (df_bb_refs_record): Fixed case where duplicate artificial refs
12248 were created. Changed location of flags.
12249 (df_record_entry_block_defs): Added code to make stack pointer
12250 live in entry block. Refined cases where frame pointer is needed.
12251 Changed location of flags.
12252 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
12253 (df_set_state): Removed function.
12254 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
12255 df_insn_create_insn_record, df_insn_refs_delete,
12256 df_ref_create_structure): Formatting changes.
12257 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
12258 df_delete_basic_block): New function.
12259 (df_init): Changed location of flags.
12260 (df_add_problem): Added flags parameter and the way flags are
12262 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
12263 debug_df_chain): Improved debugging output.
12264 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
12265 (df_refs_chain_dump): Removed df parameter.
12266 (df_iterative_dataflow): Added consistency check.
12267 (df_prune_to_subcfg): Made public.
12268 (df_analyze_problem): Added blocks_to_init parameter and made
12270 (df_ref_record, df_bb_refs_record, df_mark_reg,
12271 df_record_exit_block_uses): Whitespace changes.
12272 (df_dump): Whitespace changes.
12273 * df.h: Some reordering to remove forward references.
12274 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
12275 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
12276 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
12277 (dataflow.flags): New field.
12278 (df.flag): Deleted field.
12279 (df_alloc_function): Added additional bitmap parameter.
12280 (df_dependent_problem_function): New type.
12281 (df_problem.changeable_flags): New field.
12282 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
12283 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
12284 (df_mw_hardreg): New struct.
12285 (DF_INSN_UID_MWS): New macro.
12286 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
12288 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
12289 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
12290 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
12291 (df_set_state): Removed function.
12292 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
12293 * df-problems.c (df_chain_dump): Removed df parameter.
12294 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
12295 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
12297 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
12298 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
12299 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
12300 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
12301 DF_REF_MUST_CLOBBER cases.
12302 (df_ru_bb_local_compute_process_def,
12303 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
12304 df_lr_bb_local_compute, df_ur_bb_local_compute,
12305 df_chain_create_bb): Made subreg aware.
12306 (df_ru_bb_local_compute, df_rd_bb_local_compute,
12307 df_lr_bb_local_compute, df_lr_bb_local_compute,
12308 df_chain_create_bb): Cleanup to use proper macros.
12309 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
12310 code to fixup bitvectors.
12311 (df_ri_alloc): Cleared lifetime.
12312 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
12313 df_create_unused_note): New function.
12314 (df_ri_bb_compute, df_ri_compute): Added code to create/update
12315 REG_DEAD and REG_UNUSED notes as well as register information.
12316 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
12317 df_chains_dump): Fixed crash if problem was never run.
12318 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
12319 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
12320 df_ri_add_problem): Processes flags in uniform manner.
12321 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
12322 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
12323 df_rd_dump, df_urec_free_bb_info): Formatting changes.
12324 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
12325 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
12326 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
12327 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
12328 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
12329 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
12330 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
12331 * see.c (see_initialize_data): Ditto.
12332 * final.c (rest_of_clean_state) Added regstack_completed.
12333 * rtl.h (regstack_completed): Ditto.
12334 * reg-stack.c (regstack_completed): Ditto.
12336 2006-05-19 Mike Stump <mrs@apple.com>
12338 * c-tree.h (default_conversion): Remove.
12339 * c-common.h (default_conversion): Add.
12341 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
12343 * tree-vrp.c (valid_value_p): New function.
12344 (adjust_range_with_scev): Fail if the value of bound is not
12347 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12349 * config/mips/linux-unwind.h: Include <asm/unistd.h>
12350 (mips_fallback_frame_state): Use syscall numbers to determine
12351 the appropriate li instruction for the current ABI. Only use
12352 __NR_sigreturn for o32.
12354 2006-05-19 Nicolas Setton <setton@adacore.com>
12356 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
12357 * langhooks.c (lhd_dwarf_name): New function.
12358 * langhooks-def.h (lhd_dwarf_name): Declare.
12359 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
12360 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
12362 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12364 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
12366 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
12367 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
12368 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
12369 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
12370 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
12371 determine the size of Wtype, etc.
12372 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
12373 (swfloatfuncs): New variable.
12374 (dwfloatfuncs): Likewise.
12375 (lib2funcs): Remove floating-point conversion functions from
12376 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
12377 the set of conversion routines needed. Allow entries to specify
12378 an object name, filename and word size. Update users accordingly.
12379 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
12380 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
12384 2006-02-08 Roger Sayle <roger@eyesopen.com>
12387 * config/fixtfdi.c: New libgcc source file.
12388 * config/fixunstfdi.c: New source file.
12389 * config/floatditf.c: New source file.
12390 * config/floatunditf.c: New souce file.
12391 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12392 files above instead of config/mips/_tilib.c.
12393 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12395 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12397 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
12398 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
12400 2006-05-18 Mike Stump <mrs@apple.com>
12402 Fix up vla, vm and [*] sematics.
12408 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
12409 (c_vla_unspec_p): Add.
12410 (c_vla_type_p): Add.
12411 * c-decl.c (struct c_scope): Add had_vla_unspec.
12412 (build_array_declarator): Add support for [*].
12413 (grokdeclarator): Likewise.
12414 (grokparms): Likewise.
12415 (get_parm_info): Likewise.
12416 * c-objc-common.c (c_vla_unspec_p): Likewise.
12417 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
12418 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
12419 typeof when argument is a variably modified type not inside sizeof or alignof.
12420 (c_parser_direct_declarator_inner): Propagate errors.
12421 (c_parser_sizeof_expression): Add support for [*].
12422 (c_parser_parms_declarator): Initialize had_vla_unspec.
12423 (c_parser_parms_list_declarator): Likewise.
12424 * c-typeck.c (c_vla_type_p): Add.
12425 (composite_type): Add support for vla compositing.
12426 (comptypes_internal): Add support for vla compatibility.
12427 (c_expr_sizeof_expr): Evaluate vla arguments.
12428 * tree.c (variably_modified_type_p): Update comment for [*].
12430 2006-05-18 Michael Matz <matz@suse.de>
12433 * config.host: Make assignments to host_xmake_file cumulative.
12434 * config.host (*-darwin*): Test $host, not $target.
12436 2006-05-12 Stuart Hastings <stuart@apple.com>
12438 * config/i386/i386.opt (-mstackrealign): New flag.
12439 * config/i386/i386.c (force_align_arg_pointer): New attribute.
12440 (ix86_handle_cconv_attribute): Emit error when
12441 force_align_arg_pointer attribute collides with too many regparms.
12442 (ix86_function_regparm): Limit regparms when used with
12443 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
12444 Support stack-realigning prologue in non-main functions. Emit
12445 warning for nested functions under -mstackrealign, emit error for
12446 nested functions with force_align_arg_pointer attribute.
12447 * doc/extend.texi (force_align_arg_pointer): Document it.
12448 * doc/invoke.texi (-mstackrealign): Document it.
12450 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
12452 PR rtl-optimization/27477
12453 * combine.c (try_combine): Don't split a parallel consisting
12454 of two sets into two individual sets if both sets reference
12457 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
12459 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
12460 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
12462 * doc/options.texi (VarExists): Updated.
12464 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12466 * unwind-dw2.c: Add declarations for uw_update_context and
12467 uw_frame_state_for.
12468 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
12469 detected, advance frame state and context once to skip over stub.
12471 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12473 PR middle-end/20256
12474 PR middle-end/26435
12475 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
12476 Call rewrite_into_loop_closed_ssa only when something changed.
12477 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
12478 * lambda-code.c (can_convert_to_perfect_nest): Declared.
12479 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
12480 Test for perfect_nest_p here. Fix formating.
12481 (replace_uses_equiv_to_x_with_y): Fix formating.
12482 (stmt_uses_op): Removed.
12483 (can_convert_to_perfect_nest): Removed loopivs parameter.
12484 Complete the test by checking the scalar dependences.
12485 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
12488 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12491 From Dan Kegel <dank@kegel.com>:
12492 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
12494 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
12496 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
12497 if the element type is variably modified without recursing.
12499 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12501 PR middle-end/27332
12502 * tree-loop-linear.c (try_interchange_loops): Test for
12503 no data dependences.
12505 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
12507 PR tree-optimization/27548
12508 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12509 range of ssa names that appear on abnormal edges.
12510 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12511 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12513 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12515 PR middle-end/27620
12516 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
12518 2006-05-17 Jakub Jelinek <jakub@redhat.com>
12520 PR middle-end/27415
12521 * tree.h (OMP_PARALLEL_COMBINED): Define.
12522 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12523 (new_omp_context): Add is_combined_parallel argument.
12524 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12525 new_omp_context caller.
12526 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12527 Adjust gimplify_scan_omp_clauses callers.
12528 (omp_is_private): Issue errors if iteration variable is firstprivate
12529 or reduction in the current context.
12530 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12531 on combined parallel workshare constructs.
12533 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12535 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12536 (gcc-options.o): New rule.
12538 * optc-gen.awk: Protect variables for gcc-options.o with
12539 #ifdef GCC_DRIVER/#endif.
12541 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
12543 Fix PR tree-optimization/27373
12544 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12545 (forward_propagate_addr_expr): Update call.
12547 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12549 * doc/options.texi: Move the Negative option.
12551 2006-05-16 Richard Guenther <rguenther@suse.de>
12553 PR tree-optimization/22303
12554 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12556 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12557 ccp_fold did not simplify the statement.
12559 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12562 * Makefile.in (GCC_OBJS): New.
12563 (OBJS-common): Add opts-common.o.
12564 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12565 (cpp$(exeext)): Likewise.
12566 (gcc.o): Also depend on opts.h.
12567 (opts-common.o): New.
12569 * common.opt (gcoff): Add Negative(gdwarf-2).
12570 (gdwarf-2): Add Negative(gstabs).
12571 (gstabs): Add Negative(gstabs+).
12572 (gstabs+): Add Negative(gvms).
12573 (gvms): Add Negative(gxcoff).
12574 (gxcoff): Add Negative(gxcoff+).
12575 (gxcoff+): Add Negative(gcoff).
12576 * config/i386/i386.opt (m32): Add Negative(m64).
12577 (m64): Add Negative(m32).
12579 * doc/options.texi: Document the Negative option.
12581 * gcc.c: Include "opts.h".
12582 (main): Call prune_options after expandargv.
12584 * optc-gen.awk: Generate common declarations for all flag
12585 variables in options.c. Output the neg_index field.
12587 * opts.c (find_opt): Moved to ...
12588 * opts-common.c: Here. New file.
12590 * opts.h (cl_option): Add a neg_index field.
12592 (prune_options): Likewise.
12594 2006-05-16 Jakub Jelinek <jakub@redhat.com>
12596 PR middle-end/27573
12597 * omp-low.c (expand_omp_parallel): Don't assert
12598 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12599 instead search for it.
12602 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12605 2006-05-16 Andreas Schwab <schwab@suse.de>
12607 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12610 2006-05-15 Roger Sayle <roger@eyesopen.com>
12613 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12614 integer constants other than zero are only legitimate on TARGET_64BIT.
12615 <CONST_VECTOR> Only zero vectors are legitimate.
12616 (ix86_cannot_force_const_mem): Integral and vector constants can
12617 always be put in the constant pool.
12619 2006-05-16 DJ Delorie <dj@redhat.com>
12621 * crtstuff.c (__dso_handle): Set section from
12622 TARGET_LBIGCC_SDATA_SECTION if defined.
12623 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12624 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12626 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
12629 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12632 2006-05-16 Ben Elliston <bje@au.ibm.com>
12634 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12636 2006-05-15 Per Bothner <per@bothner.com>
12638 * tree.c: (last_annotated_node): Use source_locus typedef.
12639 This permits bootstrapping with --enable-mapped-location.
12641 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12643 PR tree-optimization/26830
12644 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12645 (info_for_ssa_name, current_info_for_ssa_name_age,
12646 blocks_to_update): New variables.
12647 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12648 (clear_ssa_name_info, initialize_flags_in_bb,
12649 mark_block_for_update): New functions.
12650 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12651 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12652 prepare_def_site_for): Use mark_block_for_update.
12653 (mark_def_interesting): Assert that the processed block is marked in
12654 blocks_to_update. Do not take blocks argument.
12655 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12657 (rewrite_update_init_block, rewrite_update_stmt): Only process
12658 blocks with statements to rewrite.
12659 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12660 (update_ssa): Initialize and free blocks_to_update. Do not
12661 clear flags on statements. Do not use blocks bitmap.
12662 * tree.h (SSA_NAME_AUX): Removed.
12663 (struct tree_ssa_name): Removed aux field.
12664 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12666 2006-05-15 Richard Guenther <rguenther@suse.de>
12668 PR tree-optimization/27603
12669 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12670 Do computations in original type.
12672 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12674 * see.c: Code style changes such as redundant paranthesis,
12675 redundant intialization of local variables etc.
12676 (see_main): Declared now as static.
12677 * doc/invoke.texi: Update that -fsee is not enabled by
12680 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12682 * omp-low.c (check_omp_nesting_restrictions): New function.
12683 (scan_omp_1): Call it.
12685 PR middle-end/27416
12686 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12687 construct, return *VAR.
12689 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12691 PR rtl-optimization/27406
12692 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12695 2006-05-14 Roger Sayle <roger@eyesopen.com>
12697 PR rtl-optimization/27538
12698 * combine.c (expand_compound_operation): Call gen_lowpart
12699 before calling simplify_shift_const.
12701 2006-05-14 Roger Sayle <roger@eyesopen.com>
12703 PR rtl-optimization/22563
12704 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12705 a fixed width bitfield, always force the intermediates into psuedos.
12707 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12710 * mkconfig.sh: Use operator = instead of == for test.
12712 2006-05-13 Nick Clifton <nickc@redhat.com>
12714 * dwarf2out.c (dbx_reg_number): Check return value from
12715 LEAF_REG_REMAP and only use it if it is valid.
12716 (multiple_reg_loc_descriptor): Likewise.
12718 2006-05-13 Richard Guenther <rguenther@suse.de>
12720 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12723 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12725 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12726 information attached to non-INSNs such as NOTEs.
12727 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12729 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12731 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12733 * config/s390/s390.md: Adjust comment describing On constraint.
12735 2006-05-11 Jan Hubicka <jh@suse.cz>
12737 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12738 to be output at -O0.
12740 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12742 PR middle-end/27384
12743 * fold-const.c (size_binop): Move sanity check for arguments to
12744 the beginning of the function.
12746 PR middle-end/27488
12747 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12750 2006-05-11 Richard Guenther <rguenther@suse.de>
12752 PR middle-end/27529
12753 * fold-const.c (fold_unary): Handle intermediate conversion
12754 to a pointer type like intermediate conversion to an integer
12755 type in folding of (T1)(T2)var to var.
12756 Match the code to the comment in the final conversion for
12757 (T1)(T2)var to (T1)var regarding to type precision. Rather
12758 than disallow T1 being of pointer type, assert that both T1
12759 and var are of pointer type or not. Make sure not to fall
12760 over the frontends lazyness wrt array to pointer decay though.
12762 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12764 * arm.c (arm_struct_value_rtx): Delete.
12765 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12766 (arm_init_cumulative_args): Always initialize nregs to zero.
12768 2006-05-10 Richard Guenther <rguenther@suse.de>
12770 PR tree-optimization/27532
12771 * tree-object-size.c (plus_expr_object_size): Fix typo.
12773 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12776 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12777 ashrdi_const, ashrdi3): Use a scratch register.
12779 2006-05-10 Richard Guenther <rguenther@suse.de>
12781 PR tree-optimization/27302
12782 * fold-const.c (operand_equal_p): For two comparisons,
12783 try comparison of one comparison code swapped if that yields
12786 2006-05-10 Ben Elliston <bje@au.ibm.com>
12788 * tree-pretty-print.c (pretty_print_string): No need to handle
12789 '\0' as a special character.
12791 * tree.h: Include "hashtab.h".
12792 (iterative_hash_expr): Use hashval_t in its prototype.
12793 * Makefile.in (TREE_H): Add $(HASHTAB_H).
12795 2006-05-09 Steve Ellcey <sje@cup.hp.com>
12798 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12799 (hppa*64*-*-hpux11*): Ditto.
12800 (hppa[12]*-*-hpux11*): Ditto.
12802 2006-05-09 David Edelsohn <edelsohn@gnu.org>
12805 * config/rs6000/aix41.h (TARGET_64BIT): Define.
12807 2006-05-09 Michael Matz <matz@suse.de>
12809 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12810 host_extra_gcc_objs and host_xmake_file.
12811 (<*-*-linux*>): Don't overwrite host_xmake_file.
12812 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12813 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12814 (host_detect_local_cpu): Declare.
12815 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12816 * config/i386/i386.c (override_options): Handle -mtune=native
12818 * config/i386/x-i386: New file.
12819 * config/i386/driver-i386.c: New file.
12820 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12823 2006-05-09 Dirk Mueller <dmueller@suse.de>
12824 Richard Guenther <rguenther@suse.de>
12826 PR middle-end/27498
12827 * fold-const.c (fold_read_from_constant_string): Relax check
12828 for matching types to matching modes.
12830 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
12832 PR rtl-optimization/27335
12833 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12836 2006-05-08 Chao-ying Fu <fu@mips.com>
12837 Richard Sandiford <richard@codesourcery.com>
12839 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12840 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12841 * config/mips/mips.md (UNSPEC_SCC): New constant.
12842 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12843 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12844 (mips_emit_compare): Use it.
12845 (mips_expand_vcondv2sf): New function.
12847 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
12849 Fix PR tree-optimization/27093
12850 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12851 renaming when they become not-used_alone.
12853 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12855 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12856 relocation and relocation stubs.
12858 2006-05-08 Eric Christopher <echristo@apple.com>
12860 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12863 2006-05-08 Jan Hubicka <jh@suse.cz>
12865 PR middle-end/24561
12866 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12867 unused static functions are needed.
12869 2006-05-08 Roger Sayle <roger@eyesopen.com>
12872 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12873 of a reg_equiv_constant if the result is a legitimate constant.
12875 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12878 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12879 standard 80387 constants, raise the cost to prevent
12880 compress_float_constant() to generate load from memory.
12882 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12884 * config/arm/constraints.md (c): Fix a typo.
12886 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12889 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12892 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12894 (_mm_mwait): Likewise.
12896 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12898 (sse3_monitor): Make it 32bit only.
12899 (sse3_monitor64): New. 64bit monitor.
12901 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12904 * config/i386/i386.c (classify_argument): Skip fields with invalid
12907 2006-05-07 Richard Guenther <rguenther@suse.de>
12909 PR tree-optimization/27409
12910 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12911 Do not try to find zero-sized subvars.
12913 2006-05-07 Richard Guenther <rguenther@suse.de>
12915 PR tree-optimization/27136
12916 * tree-ssa-loop-niter.c (get_val_for): Correct function
12917 comment, assert requirements.
12918 (loop_niter_by_eval): Stop processing if the iterated
12919 value did not simplify.
12921 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12923 * opts.c (flag_see): remove its setting at -O3.
12925 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12927 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12928 * arm/constraints.md: New file.
12929 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12930 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12931 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12932 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12933 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12934 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12935 * arm.md: Include constraints.md.
12936 (thumb_movsi_insn): Use satisfies_constraint_J.
12937 (movhi, movqi): Use satisfies_constraint_I.
12939 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12941 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12942 for atmeg a645 device.
12944 2006-05-06 Richard Guenther <rguenther@suse.de>
12946 PR tree-optimization/27151
12947 * tree-vect-transform.c (vectorizable_condition): Punt on
12948 values that have a different type than the condition.
12950 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12953 * c-parser.c (c_parser_cast_expression): Only insert casts into
12954 hash table if pointer.
12955 * function.c (used_types_insert_helper): Rename from
12957 (used_types_insert): Call used_types_insert_helper.
12958 * function.h (used_types_insert): Accept only one argument.
12960 2006-05-05 David Edelsohn <edesohn@gnu.org>
12962 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12963 scratch with output modifier.
12965 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12968 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12969 with output modifier.
12971 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12974 * config/mips/mips.c (mips_symbolic_address_p): Return true
12975 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12976 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12978 2006-05-04 Richard Guenther <rguenther@suse.de>
12980 PR tree-optimization/14287
12981 PR tree-optimization/14844
12982 PR tree-optimization/19792
12983 PR tree-optimization/21608
12984 PR tree-optimization/27090
12985 * tree-ssa-pre.c (try_combine_conversion): New function.
12986 (compute_avail): After constructing the value-handle
12987 expression, use try_combine_conversion to combine NOP_EXPRs
12988 with previous value-handle expressions and use the result if it
12991 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12993 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12995 2006-05-04 Jan Hubicka <jh@suse.cz>
12997 PR middle-end/25962
12998 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
13000 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
13002 * config/bfin/predicates.md (const01_rtx): Tell generator programs
13003 that this only matches CONST_INTs. All users changed to VOIDmode
13006 * config/bfin/bfin.c: Include "optabs.h".
13007 (bfin_rtx_costs): Some costs for vector operations, to allow combine
13009 (enum bfin_builtins): Add a number of fractional and vector builtins.
13010 (bfin_init_builtins): Likewise.
13011 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
13012 (safe_vector_operand, bfin_expand_binop_builtin,
13013 bfin_expand_unop_builtin): New functions.
13014 (bfin_expand_builtin): Handle the new builtins.
13015 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
13018 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
13021 * Makefile.in (OBJS-common): Add see.o.
13022 (see.o): Add dependencies.
13023 * common.opt (fsee): New flag for the see optimization was added.
13024 * opts.c (flag_see): Initialized.
13025 * passes.c (init_optimization_passes, pass_see): New pass.
13026 * rtl.h (see_main): Declaration as extern.
13027 * timevar.def (TV_SEE): New.
13028 * tree-pass.h (pass_see): Declaration as extern.
13029 * invoke.texi (-fsee): Document.
13030 * recog.c (validate_simplify_insn): New function.
13031 * recog.h (validate_simplify_insn): Declaration as extern.
13032 * df-problems.c (df_chain_dump): Check for NULL.
13034 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
13035 Daniel Berlin <dberlin@dberlin.org>
13037 * cfgrtl.c (insert_insn_bb_end_new): New function.
13038 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
13040 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
13042 * df.h (struct web_entry): Moved from web.c.
13043 (union_defs): Declaration as extern.
13044 (unionfind_root): Likewise.
13045 (unionfind_union): Likewise.
13046 * web.c (struct web_entry): Moved to df.h.
13047 (unionfind_root): Remove static declaration.
13048 (unionfind_union): Likewise.
13049 (union_defs): Likewise and generalize to use callback function.
13050 (web_main): Update arguments for union_defs function call.
13052 2006-05-04 Richard Guenther <rguenther@suse.de>
13054 PR tree-optimization/26447
13055 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
13056 produce SSA_NAME copies before the store stmt to avoid
13057 breaking exception handling.
13059 2006-05-04 Jakub Jelinek <jakub@redhat.com>
13061 PR middle-end/27388
13062 * gimplify.c (omp_is_private): If var is shared in some outer context,
13063 return false instead of true. Stop searching on parallel context
13066 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
13069 * coverage.c: Use get_gcov_unsigned_t() instead of
13070 unsigned_type_node all over.
13072 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
13074 PR tree-optimization/27381
13075 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
13076 maintain the same immediate_use links.
13077 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
13078 node rather than segfaulting.
13080 2006-05-03 Jakub Jelinek <jakub@redhat.com>
13083 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
13084 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
13085 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
13087 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
13089 Fix PR tree-optimization/26626
13090 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
13092 * tree-ssa-operands.c (access_can_touch_variable): Allow
13093 typecasting through union pointers.
13095 2006-05-02 Jakub Jelinek <jakub@redhat.com>
13098 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
13099 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
13100 to find if var will be a global variable even in the nested context.
13101 (omp_copy_decl): Only check for global variable at the end, it might
13102 be overridden in outer contexts.
13103 (scan_sharing_clauses): For global variables don't create a field.
13104 (lower_rec_input_clauses): Do nothing for global shared variables.
13105 Emit a barrier at the end of ILIST if there were any decls in both
13106 firstprivate and lastprivate clauses.
13107 (lower_send_clauses): Do nothing for global variables except for
13110 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
13112 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
13113 of the correct signedness is returned.
13115 2006-05-02 Jeff Law <law@redhat.com>
13117 PR tree-optimization/27364
13118 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
13119 multiply expressions.
13121 2006-05-02 Tom Tromey <tromey@redhat.com>
13123 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
13125 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
13128 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
13129 -mthumb -fPIC are used.
13131 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
13132 Joshua Kinard <kumba@gentoo.org>
13135 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
13136 with 64-bit pointers.
13138 2006-05-02 Paul Brook <paul@codesourcery.com>
13140 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
13142 (create_fix_barrier): Check that a suitable barrier location is
13144 (arm_reorg): Include ftmp->address in allowable range of addresses.
13146 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
13149 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
13152 2006-05-02 Jakub Jelinek <jakub@redhat.com>
13154 PR middle-end/27337
13155 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
13156 around RESULT_DECL for result passed by reference.
13157 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
13158 * omp-low.c (use_pointer_for_field): Don't look at
13159 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
13160 (scan_omp_1): Call remap_decl on RESULT_DECLs.
13161 (lower_rec_input_clauses): Don't allocate VLA memory for the second
13162 time or var for passing by reference for
13163 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
13164 TREE_ADDRESSABLE variables when passing by reference.
13166 * omp-low.c (dump_omp_region): Fix output formatting.
13168 PR middle-end/27328
13169 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
13170 (expand_omp_parallel): Likewise.
13171 * tree-cfg.c (move_sese_region_to_fn): Likewise.
13173 PR middle-end/27325
13174 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
13175 on statement list containing also constructors and destructors.
13176 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
13178 PR middle-end/27310
13179 * except.c (duplicate_eh_regions): Fix clearing of
13180 cfun->eh->region_array entries.
13182 2006-05-01 DJ Delorie <dj@redhat.com>
13184 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
13186 (gcc_cv_objdump): Likewise.
13187 * configure: Regenerated.
13189 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
13192 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
13193 templates for case 3 and 4.
13195 2006-05-01 DJ Delorie <dj@redhat.com>
13197 * vec.c: Include bconfig.h when appropriate.
13198 * Makefile.in (build/vec.o): Adjust dependencies.
13199 * mkconfig.sh: Make sure config.h isn't used for build machine
13202 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13204 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
13206 (mark_phi_for_rewrite): New function.
13207 (insert_phi_nodes_for, mark_use_interesting): Call
13208 mark_phi_for_rewrite.
13209 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
13210 (update_ssa): Initialize and free phis_to_rewrite.
13212 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13214 PR rtl-optimization/27291
13215 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
13216 folded to a constant.
13218 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13220 PR tree-optimization/27283
13221 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
13222 not whole # of iteration descriptions.
13223 (niter_for_exit): Return just # of iterations. Fail if # of iterations
13224 uses abnormal ssa name.
13225 (niter_for_single_dom_exit): Ditto.
13226 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
13227 return just the number of iterations.
13229 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13231 PR tree-optimization/27144
13232 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
13233 (record_estimate): Only record constant upper bound.
13234 (infer_loop_bounds_from_undefined): Call
13235 compute_estimated_nb_iterations just once.
13236 (proved_non_wrapping_p): Renamed to ...
13237 (n_of_executions_at_most): ... this. Expect bound to be a constant.
13238 (convert_step_widening, scev_probably_wraps_p): Call
13239 n_of_executions_at_most instead of proved_non_wrapping_p.
13240 (substitute_in_loop_info): Do not replace values in bounds.
13241 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
13244 2006-05-01 Richard Henderson <rth@redhat.com>
13247 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
13248 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
13251 2006-05-01 Roger Sayle <roger@eyesopen.com>
13253 * c-typeck.c (parser_build_binary_op): Don't call the function
13254 unsigned_conversion_warning to spot operand/result type overflow.
13255 (build_binary_op): Instead, call convert_and_check instead of
13256 convert to report the problem when the operands are promoted.
13257 * c-common.c (unsigned_conversion_warning): Make static.
13258 * c-common.h (unsigned_conversion_warning): Delete prototype.
13260 2006-05-01 Richard Guenther <rguenther@suse.de>
13262 PR tree-optimization/26726
13263 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
13265 (find_interesting_uses_address): ... we work around here
13266 by folding INDIRECT_REFs in the substituted base.
13268 2006-05-01 Diego Novillo <dnovillo@redhat.com>
13270 * omp-low.c (dump_omp_region): Add newlines.
13272 2006-04-30 Roger Sayle <roger@eyesopen.com>
13274 * common.opt (Woverflow): New command line option.
13275 * c-common.c (constant_expression_warning): Check warn_overflow.
13276 (overflow_waring): Pass OPT_Woverflow to warning.
13277 (unsigned_conversion_warning): Likewise.
13278 (convert_and_check): Likewise.
13279 * doc/invoke.texi: Document new command line option.
13281 2006-04-30 David Edelsohn <edelsohn@gnu.org>
13283 * config/rs6000/rs6000.c (rs6000_override_options): Enable
13284 TARGET_NO_FP_IN_TOC for section anchors.
13285 (optimization_options): Enable section anchors for all
13286 non-"Objective" languages.
13288 2006-04-28 Eric Christopher <echristo@apple.com>
13290 * config/darwin-c.c (darwin_ms_struct): Move this
13291 (darwin_set_default_type_attributes): and this...
13292 * config/darwin.c: ... here.
13293 * config/darwin.h (darwin_ms_struct): Declare.
13295 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
13297 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
13299 2006-04-28 Roger Sayle <roger@eyesopen.com>
13302 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
13303 (push_array_bounds): Delete prototype. Change BOUNDS argument to
13304 an unsigned HOST_WIDE_INT.
13305 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
13307 (really_start_incremental_init): No need to call convert because
13308 bitsize_zero_node is already of type bitsizetype.
13309 (push_init_level): Extract the value of constructor_index as an
13310 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
13311 (process_init_element): Likewise.
13313 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
13315 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
13316 value before passing to make_relative_prefix.
13318 2006-04-28 Alan Modra <amodra@bigpond.net.au>
13320 PR middle-end/27260
13321 * builtins.c (expand_builtin_memset): Expand val in original mode.
13323 2006-04-27 Eric Christopher <echristo@apple.com>
13325 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
13326 with #ifndef/#endif.
13327 * config/darwin-c.c (darwin_ms_struct): New.
13328 (darwin_pragma_ms_struct): Ditto.
13329 (darwin_set_default_type_attributes): Ditto.
13330 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
13331 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
13332 Register ms_struct pragma.
13333 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
13334 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
13335 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
13336 darwin_set_default_type_attributes if TARGET_MACHO.
13338 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
13340 PR tree-optimization/26854
13341 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
13342 * doc/tree-ssa.texi: Update immuse iterator documentation.
13343 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
13344 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
13345 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
13346 first_safe_imm_use, next_safe_imm_use): Remove.
13347 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
13348 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
13349 (move_use_after_head): New. Helper function to sort immuses in a stmt.
13350 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
13351 (first_imm_use_stmt): New. Get first stmt in an immuse list.
13352 (next_imm_use_stmt): New. Get next stmt in an immuse list.
13353 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
13354 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
13355 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
13356 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
13357 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
13358 (perfect_nestify): Use new iterator.
13359 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
13361 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
13362 (next_imm_name): New field in struct immediate_use_iterator_d.
13363 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
13364 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
13365 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
13366 * tree-cfg.c (replace_uses_by): Use new iterator.
13367 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
13368 * tree-ssa-operands.c (correct_use_link): Remove.
13369 (finalize_ssa_use_ops): No longer call correct_use_link.
13371 2006-04-27 Stuart Hastings <stuart@apple.com>
13373 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
13374 * config/t-darwin (crt3.o): Use it.
13375 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
13376 'pmode', use Pmode instead of SImode for SYMBOL_REF.
13377 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
13378 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
13379 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
13382 2006-04-27 Roger Sayle <roger@eyesopen.com>
13384 * expmed.c (store_fixed_bit_field): If we're not optimizing for
13385 size, force the intermediate into a new pseudo rather instead of
13386 performing both a bitwise AND and a bitwise IOR in memory.
13388 2006-04-27 Richard Guenther <rguenther@suse.de>
13390 PR rtl-optimization/26685
13391 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
13392 this one "max-flow-memory-locations".
13394 2006-04-27 Richard Guenther <rguenther@suse.de>
13396 PR tree-optimization/25148
13397 * tree-vrp.c (compare_values): Remove code dealing with
13398 comparisons against type min/max value. Honour overflow
13399 and negative constants in code dealing with comparisons
13400 of plus and minus expressions.
13401 (value_inside_range): Use fold_binary with LE_EXPR and
13402 GE_EXPR rather than compare_values.
13404 2006-04-27 Dirk Mueller <dmueller@suse.de>
13406 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
13409 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
13411 * basic-block.h (safe_insert_insn_on_edge): Removed.
13412 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
13414 2006-04-26 David Edelsohn <edelsohn@gnu.org>
13415 Paolo Bonzini <bonzini@gnu.org>
13417 PR middle-end/27282
13418 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
13419 (simplify_and_const_int): Same.
13421 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
13423 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
13425 2006-04-26 Jakub Jelinek <jakub@redhat.com>
13428 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
13429 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
13430 cgraph_global_info_ready.
13432 PR middle-end/26913
13433 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
13436 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
13437 either decl or init is error_mark_node.
13439 PR middle-end/25989
13440 * tree-flow.h (struct omp_region): Add sched_kind.
13441 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
13442 instead of extracting omp for data.
13443 (expand_omp_for): Save extracted sched_kind.
13445 2006-04-25 Roger Sayle <roger@eyesopen.com>
13447 * expmed.c (store_bit_field): Also check whether the bitsize is
13448 valid for the machine's "insv" instruction before moving the
13449 target into a pseudo for use with the insv.
13450 * config/i386/predicates.md (const8_operand): New predicate.
13451 * config/i386/i386.md (extv, extzv, insv): Use the new
13452 const8_operand predicate where appropriate.
13454 2006-04-25 DJ Delorie <dj@redhat.com>
13456 * doc/install.texi (Specific): Clarify that this is not a list of
13457 supported hosts or targets.
13459 2006-04-25 Richard Sandiford <richard@codesourcery.com>
13461 PR rtl-optimization/26725
13462 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
13463 block's BB_DIRTY flag.
13465 2006-04-25 Geoffrey Keating <geoffk@apple.com>
13467 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
13470 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
13471 to print an integer.
13473 2006-04-25 David Edelsohn <edelsohn@gnu.org>
13475 * varasm.c (align_variable): New function.
13476 (get_block_for_decl): Apply align_variable to DECL before
13477 calculating section information.
13478 (assemble_variable): Split out alignment computation.
13480 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
13482 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
13485 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
13487 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
13488 MODE_PARTIAL_INT mode.
13489 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
13490 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
13492 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
13493 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13495 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
13497 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13499 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
13500 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
13501 MACFLAG_IH): Likewise.
13502 (movstricthi_1): Renamed from "*movstricthi".
13503 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
13504 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
13505 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
13506 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13507 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13508 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13509 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13510 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13511 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13512 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13513 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13514 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13515 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13516 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13517 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13519 * doc/rtl.texi (ss_ashift): Improve wording.
13521 2006-04-24 Geoffrey Keating <geoffk@apple.com>
13523 * dwarf2out.c (verify_marks_clear): New.
13524 (prune_unused_types): Call verify_marks_clear initially, not
13527 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
13529 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
13530 * doc/rtl.texi: Document them.
13531 * simplify-rtx.c (simplify_unary_operation,
13532 simplify_binary_operation_1): Don't abort when we see them.
13534 2006-04-24 Mark Mitchell <mark@codesourcery.com>
13537 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13538 * configure.ac: Completely disregard languages that are not
13540 * configure: Regenerated.
13542 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13543 Richard Guenther <rguenther@suse.de>
13545 PR tree-optimization/27236
13546 * tree-inline.c (copy_body_r): Make sure to copy
13547 TREE_THIS_VOLATILE flag.
13549 2006-04-24 Richard Guenther <rguenther@suse.de>
13551 PR middle-end/26869
13552 * tree-complex.c (update_parameter_components): Don't handle
13553 unused parameters which have no default def.
13555 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13556 Richard Guenther <rguenther@suse.de>
13558 PR tree-optimization/27218
13559 * tree-inline.c (expand_call_inline): Strip useless type
13560 conversions for the return slot address.
13562 2006-04-24 Richard Guenther <rguenther@suse.de>
13564 * cfgloop.h (struct loops): Remove unused field array. Reorder
13566 (LOOP_PREFETCH): Remove.
13568 2006-04-24 Richard Guenther <rguenther@suse.de>
13570 PR tree-optimization/22525
13571 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13572 variable, adjust types of generated expressions.
13574 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
13576 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13577 (tree-vect-patterns.o): Likewise.
13578 (jump.o): Likewise.
13579 (cselib.o): Likewise.
13580 (loop-doloop.o): Likewise.
13581 (regclass.o): Likewise.
13582 (reload1.o): Likewise.
13583 (explow.o): Replace target.h with $(TARGET_H).
13584 (ipa-prop.o): Likewise.
13585 (ipa-cp.o): Likewise.
13586 (ipa-inline.o): Likewise.
13587 (reorg.o): Likewise.
13588 (reg-stack.o): Likewise.
13590 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13592 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13594 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13596 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13598 * configure.ac: Completely disregard languages that are not
13600 * configure: Regenerated.
13603 * c-common.h (c_build_bitfield_integer_type): Declare.
13604 * c-decl.c (c_build_bitfield_integer_type): Move to ...
13605 * c-common.c (c_build_bitfield_integer_type): ... here.
13607 2006-04-23 Roger Sayle <roger@eyesopen.com>
13610 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13611 a SImode SUBREG of a floating point register after no_new_pseudos.
13613 2006-04-23 Roger Sayle <roger@eyesopen.com>
13615 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13616 identify potentially eliminable registers to additionally catch
13617 VIRTUAL_INCOMING_ARGS_REGNUM.
13618 (addsi3): Update the conditions on when to use addsi_small_int.
13620 2006-04-23 Roger Sayle <roger@eyesopen.com>
13623 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13624 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13625 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13627 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13629 * fold-const.c (range_predecessor): Use operand_equal_p
13630 as the predicate for equality.
13631 (range_successor): Likewise.
13633 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13636 * config/soft-fp/op-common.h: Fix a typo.
13638 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13640 PR libmudflap/26864
13641 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13642 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13644 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13646 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13648 * doc/tm.texi: Fix a typo.
13650 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13652 * dwarf2out.c (struct die_struct): Document that die_sib makes
13653 a circular linked list.
13654 (FOR_EACH_CHILD): New.
13655 (reverse_die_lists): Delete.
13656 (reverse_all_dies): Delete.
13657 (add_dwarf_attr): Correct documentation.
13658 (remove_child_with_prev): New.
13659 (remove_child_TAG): Update for change to die_struct, use
13660 remove_child_with_prev.
13661 (add_child_die): Update for change to die_struct.
13662 (splice_child_die): Use remove_child_with_prev and add_child_die.
13663 (print_die): Use FOR_EACH_CHILD.
13664 (die_checksum): Likewise.
13665 (assign_symbol_names): Likewise.
13666 (output_location_lists): Likewise.
13667 (build_abbrev_table): Likewise.
13668 (calc_die_sizes): Likewise.
13669 (mark_dies): Likewise.
13670 (unmark_dies): Likewise.
13671 (unmark_all_dies): Likewise.
13672 (output_die): Likewise.
13673 (prune_unused_types_mark): Likewise.
13674 (prune_unused_types_walk): Likewise.
13675 (same_die_p): Update for change to die_struct.
13676 (break_out_includes): Likewise.
13677 (prune_unused_types_prune): Likewise.
13678 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13679 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13680 it's already clear.
13681 (dwarf2out_finish): Don't call reverse_all_dies.
13683 2006-04-21 Eric Christopher <echristo@apple.com>
13685 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13686 in comments and function names.
13688 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13691 * c-typeck.c (digest_init): Robustify.
13693 * c-typeck.c (pop_init_level): Simplify.
13695 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13697 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13699 2006-04-21 Paul Brook <paul@codesourcery.com>
13701 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13702 hardware floating point.
13704 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13706 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13709 2006-04-21 Nick Clifton <nickc@redhat.com>
13711 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13714 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13717 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13718 C++ lang type in traceback table for Objective-C++.
13720 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13722 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13724 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13726 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13729 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13730 were errors. Remove check for erroneous objects.
13732 2006-04-20 Jeff Law <law@redhat.com>
13734 PR tree-optimization/26854
13735 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13736 checking for zero or one use.
13737 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13738 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13739 * tree-ssa-reassoc.c (negate_value): Similarly.
13740 (reassociate_bb): Similarly.
13742 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13745 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13746 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13747 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13749 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13751 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13752 fp regs if the last fp arg doesn't fit in regs.
13754 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13757 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13758 that the last insn has the REG_INC note.
13760 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13761 Nathan Sidwell <nathan@codesourcery.com>
13764 * stor-layout.c (update_alignment_for_field): Do not align
13766 (place_union_field): Place union field at the start of the union.
13767 (place_field): Move ERROR_MARK check later, and use the current
13768 allocation position to maintain monotonicity.
13770 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13772 * dominance.c: Include timevar.h.
13773 (calculate_dominance_info): Use TV_DOMINANCE.
13774 * timevar.def (TV_DOMINANCE): New timevar.
13775 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13777 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13779 PR rtl-optimization/14261
13780 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13781 move would be an INSV insn.
13782 (noce_process_if_block): Don't optimize if the destination is a
13783 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13785 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13787 * config/s390/s390.md: Add comments with the instructions emitted
13788 by an insn pattern if macros are used.
13790 2006-04-19 Alan Modra <amodra@bigpond.net.au>
13792 PR rtl-optimization/26026
13793 * fold-const.c (fold_binary): Optimize div and mod where the divisor
13794 is a known power of two shifted left a variable amount.
13796 2006-04-18 Geoffrey Keating <geoffk@apple.com>
13798 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13799 to hash table twice when the debug_str section has SECTION_MERGE.
13801 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
13803 * config/soft-fp: New directory. From glibc.
13804 * config/soft-fp/t-softfp: New.
13805 * config/soft-fp/README: New.
13806 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13807 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13808 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13809 (LIBGCC_DEPS): Add $(SFP_MACHINE).
13810 * config.gcc: Use rs6000/t-fprules-fpbit or
13811 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13813 * config/rs6000/sfp-machine.h: New. Based on glibc.
13814 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13816 * config/rs6000/t-fprules: Remove fp-bit rules.
13817 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13818 * config/rs6000/t-linux64: Likewise. Remove duplicates from
13819 LIB2FUNCS_EXTRA. Remove fp-bit rules.
13820 (softfp_wrap_start, softfp_wrap_end): New.
13822 2006-04-18 DJ Delorie <dj@redhat.com>
13824 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13826 2006-04-18 Devang Patel <dpatel@apple.com>
13828 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13830 2006-04-18 Nick Clifton <nickc@redhat.com>
13832 * config/sh/t-symbian: Add rule to build sh-c.o
13833 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13834 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13835 (sh_symbian_encode_section_info): Likewise.
13837 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
13839 * builtins.c (expand_builtin_strcmp): Cover label definition of
13840 do_libcall with HAVE_cmpstrnsi.
13842 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
13844 * function.c (temp_slots_at_level, max_slot_level): Use VEC
13846 * function.h (temp_slot_p): New.
13847 (function): Change the type of x_used_temp_slots to
13848 VEC(temp_slot_p,gc) *.
13850 2006-04-18 Nick Clifton <nickc@redhat.com>
13852 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13853 flag_strength_reduce.
13855 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13857 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13861 Partial revert of revision 112637
13862 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13863 Dale Johannesen <dalej@apple.com>
13866 * regclass.c (struct reg_pref): Update documentation.
13867 (regclass): Set prefclass to NO_REGS if memory is the best option.
13868 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13870 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13872 PR tree-optimization/26821
13873 * tree-ssa-math-opts.c (get_constant_one): New.
13874 (insert_reciprocals): Use it.
13876 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13878 * dwarf2out.c (free_AT): Delete.
13879 (remove_AT): Update string ref counts.
13880 (remove_child_TAG): Don't call free_die.
13881 (free_die): Delete.
13882 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13883 or DW_TAG_GNU_EINCL.
13884 (prune_unused_types_walk_attribs): Reset string refcounts.
13885 (prune_unused_types_update_strings): New.
13886 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13887 call free_die. Do call prune_unused_types_update_strings.
13888 (prune_unused_types): Empty debug_str_hash.
13890 2006-04-17 Roger Sayle <roger@eyesopen.com>
13892 * expr.c (expand_assignment): Optimize away no-op moves where the
13893 source and destination are equal and have no side-effects.
13895 2006-04-17 Richard Guenther <rguenther@suse.de>
13898 * reload.c (push_reload): Guard calls to get_secondary_mem
13899 for memory subregs.
13901 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13903 * alias.c (reg_base_value, old_reg_base_value): Change the
13904 type to VEC(rtx,gc) *.
13905 (REG_BASE_VALUE, find_base_value, record_set,
13906 init_alias_analysis): Use VEC instead of VARRAY.
13908 * alias.c (alias_sets): Change the type to
13909 VEC(alias_set_entry,gc) *.
13910 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13911 VEC instead of VARRAY.
13912 (last_alias_set): Remove.
13914 * cgraph.h (cgraph_edge_p): New.
13915 Update the prototype of cgraph_function_versioning.
13916 * cgraphunit.c (cgraph_copy_node_for_versioning,
13917 cgraph_function_versioning): Use VEC instead of VARRAY.
13918 * ipa-cp.c (ipcp_insert_stage): Likewise.
13920 2006-04-16 Roger Sayle <roger@eyesopen.com>
13923 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13924 "A op B" or "A op C", we may need to convert A to the type of B and C.
13926 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13928 * target.h (struct gcc_target): Add mode_rep_extended.
13929 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13930 (init_num_sign_bit_copies_in_rep): Initialize it using
13932 (truncate_to_mode): Use it.
13933 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13934 * targhooks.h (default_mode_rep_extended): Declare it.
13935 * targhooks.c (default_mode_rep_extended): Define it.
13936 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13937 default_mode_rep_extended.
13938 (TARGET_INITIALIZER): Include it.
13939 * doc/tm.texi (Misc): Document it.
13940 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13941 (mips_truncated_to_mode): New function.
13943 2006-04-16 Roger Sayle <roger@eyesopen.com>
13945 PR middle-end/25474
13946 * expr.c (compress_float_constant): Copy the narrow constant into
13947 a new pseudo before extending it to its final width.
13949 2006-04-16 Roger Sayle <roger@eyesopen.com>
13950 Andrew Pinski <pinskia@gcc.gnu.org>
13951 Dale Johannesen <dalej@apple.com>
13954 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13955 special case code to implement V8HImode and V16QImode with SSE2.
13957 2006-04-15 Roger Sayle <roger@eyesopen.com>
13959 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13960 trees are constructed with a suitable tree type.
13962 2006-04-15 Roger Sayle <roger@eyesopen.com>
13964 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13965 (integer_onep): Likewise.
13966 (integer_all_onesp): Likewise.
13967 (integer_pow2p): Likewise.
13968 (integer_nonzerop): Likewise.
13969 (real_zerop): Likewise.
13970 (real_onep): Likewise.
13971 (real_twop): Likewise.
13972 (real_minus_onep): Likewise.
13973 (int_size_in_bytes): Likewise.
13974 (host_integerp): Likewise.
13976 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13978 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13979 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13980 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13982 * tree-ssa-structalias.h (alias_info): Remove num_references.
13984 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13986 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13987 (output_bvb patterns): Likewise.
13988 * pa.c (output_bb): Use 'bb' insn for long branch case.
13989 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13990 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13991 1. Correct length operand for alternatives 1 and 2.
13992 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13993 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13995 2006-04-14 Roger Sayle <roger@eyesopen.com>
13997 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13998 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13999 were accidentally reverted by r112959.
14001 2006-04-15 Jakub Jelinek <jakub@redhat.com>
14003 PR middle-end/26823
14004 * except.h (eh_region_outermost): New prototype.
14005 * except.c (eh_region_outermost): New function.
14006 * tree-cfg.c (find_outermost_region_in_block): Use it.
14008 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
14010 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
14012 * reload1.c (reg_equiv_memory_loc_varray): Rename to
14013 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
14014 (init_reload, reload): Use VEC instead of VARRAY.
14015 * reload.h: Update the prototype for
14016 reg_equiv_memory_loc_varray.
14018 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
14019 Eric Botcazou <ebotcazou@libertysurf.fr>
14021 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
14022 register save area.
14024 2005-04-13 Uros Bizjak <uros@kss-loka.si>
14026 PR middle-end/27134
14027 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
14028 to expand fallback builtin function call.
14030 2006-04-14 Alan Modra <amodra@bigpond.net.au>
14032 PR middle-end/27095
14033 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
14034 and emit libcall here in case the builtin fails.
14035 (expand_builtin_strcmp): Always emit the libcall here on failure.
14037 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
14039 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
14040 * flow.c (reg_n_info): Change the type to
14041 VEC(reg_info_p,heap) *.
14042 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
14044 * regs.h (reg_info_p): New.
14045 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
14046 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
14047 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
14050 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
14052 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
14054 * params.h (MAX_SCHED_READY_INSNS): New macro.
14055 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
14056 past MAX_SCHED_READY_INSNS during the first scheduling pass.
14057 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
14058 the ready list for 1 cycle during the first scheduling pass.
14059 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
14061 2006-04-13 Richard Henderson <rth@redhat.com>
14064 * gimple-low.c (lower_omp_directive): Remove dead code.
14065 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
14066 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
14067 * omp-low.c (struct omp_region): Move to tree-flow.h.
14068 (root_omp_region): Export.
14069 (omp_regions, lookup_omp_region): Remove.
14070 (determine_parallel_type): Update for struct omp_region changes.
14071 (dump_omp_region): Dump regions with block numbers.
14072 (new_omp_region): Take type and block instead of stmt; malloc
14074 (free_omp_region_1, free_omp_regions): New.
14075 (expand_parallel_call): Take entry_stmt as argument; update for
14076 changes to omp_region.
14077 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
14078 (remove_exit_barriers): New.
14079 (expand_omp_parallel): Update for struct omp_region changes.
14080 (expand_omp_synch): Likewise.
14081 (expand_omp): Likewise.
14082 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
14083 (expand_omp_for_static_chunk): Likewise.
14084 (expand_omp_for): Likewise.
14085 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
14086 (expand_omp_sections): Similarly, with GOMP_sections_end.
14087 (expand_omp_single): New.
14088 (build_omp_regions_1): Update for OMP_CONTINUE.
14089 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
14090 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
14091 OMP_SECTIONS_SECTIONS.
14092 (lower_omp_single_simple): Don't emit barrier here.
14093 (lower_omp_single_copy): Likewise.
14094 (lower_omp_single): Fix bindings, and lower to straightline now.
14095 (lower_omp_master, lower_omp_ordered): Likewise.
14096 (lower_omp_critical): Likewise.
14097 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
14098 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
14099 omp edges, free it afterward.
14100 (make_omp_sections_edges): Remove.
14101 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
14102 (move_stmt_r): Handle OMP_CONTINUE.
14103 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
14104 statement pointers to basic blocks. Add type member.
14105 (root_omp_region, new_omp_region, free_omp_regions): Declare.
14106 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
14107 * tree-inline.c (estimate_num_insns_1): Likewise.
14108 * tree-pretty-print.c (dump_generic_node): Likewise.
14109 * tree-ssa-operands.c (get_expr_operands): Likewise.
14110 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
14111 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
14112 (OMP_CONTINUE): New.
14113 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
14114 (OMP_SECTIONS_SECTIONS): Remove.
14115 (OMP_SECTION_LAST): New.
14116 (OMP_RETURN_NOWAIT): New.
14118 2006-04-13 Roger Sayle <roger@eyesopen.com>
14120 * fold-const.c (native_encode_vector, native_interpret_real):
14121 Correct obvious mistakes in the previous check-in.
14123 2006-04-13 Roger Sayle <roger@eyesopen.com>
14125 * fold-const.c (native_encode_expr): New function to encode
14126 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
14127 or VECTOR_CST into a specified buffer.
14128 (native_encode_int): New function.
14129 (native_encode_real): New function.
14130 (native_encode_complex): New function.
14131 (native_encode_vector): New function.
14132 (native_interpret_expr): Inverse of native_encode_expr to convert
14133 a target representation into an INTEGER_CST, REAL_CST etc...
14134 (native_interpret_int): New function.
14135 (native_interpret_real): New function.
14136 (native_interpret_complex): New function.
14137 (native_interpret_vector): New function.
14138 (fold_view_convert_expr): New function to constant fold/evaluate
14139 a VIEW_CONVERT_EXPR of a suitable constant expression.
14140 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
14141 Change call of build1 to fold_build1 when constructing a
14144 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
14145 Ulrich Weigand <uweigand@de.ibm.com>
14148 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
14151 2006-04-13 Alan Modra <amodra@bigpond.net.au>
14154 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
14155 optimize to lo_sum for DFmode if !TARGET_FPRS.
14157 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
14159 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
14160 delete_alias_info, compute_flow_sensitive_aliasing,
14161 group_aliases): Use VEC instead of VARRAY.
14162 * tree-ssa-structalias.c (update_alias_info): Likewise.
14163 * tree-ssa-structalias.h (alias_info): Change the type of
14164 processed_ptrs to VEC(tree,heap) *.
14166 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
14169 * config/sh/lib1funcs.h: New file, broken out of:
14170 * config/sh/lib1funcs.asm.
14171 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
14173 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
14174 * config/sh/lib1funcs-Os-4-200.asm: New file.
14175 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
14176 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
14177 (EXTRA_MULTILIB_PARTS): Include it.
14178 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
14179 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
14180 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
14181 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
14184 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
14186 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
14187 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
14188 tpa_compact, root_var_init, type_var_init): Use VEC instead of
14190 * tree-ssa-live.h: Include vecprim.h.
14191 (tree_partition_associator_d): Change the type of
14192 first_partition to VEC(int,heap) *.
14193 (tpa_first_partition): Use VEC instead of VARRAY.
14195 * Makefile.in (GTFILES): Move functions.h after tree.h.
14196 * function.c (reset_block_changes, record_block_change,
14197 check_block_change, free_block_changes): Use VEC instead of
14199 * function.h (function): Change the type of
14200 ib_boundaries_block to VEC(tree,gc) *.
14201 * tree-inline.c (copy_cfg_body): Initialize
14202 ib_boundaries_block to NULL instead of (varray_type) 0.
14204 2006-04-12 Roger Sayle <roger@eyesopen.com>
14206 * expr.c (emit_group_store): Correct operand order in call to
14207 subreg_lowpart_offset. Always create paradoxical SUBREGs with
14208 a SUBREG_BYTE of zero.
14210 2006-04-12 Richard Guenther <rguenther@suse.de>
14212 * profile.c (compute_branch_probabilities): Remove code
14213 encapsulated in !ir_type (), which are remanents of the
14214 removed RTL profiling code.
14215 * rtl-profile.c: Remove.
14217 2006-04-12 Alan Modra <amodra@bigpond.net.au>
14219 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
14220 magic NULL_RTX comment.
14221 (function_arg): Store entire fp arg to mem if any part should go
14223 (rs6000_arg_partial_bytes): Adjust for above change.
14225 2006-04-11 Roger Sayle <roger@eyesopen.com>
14227 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
14228 if it hasn't been initialized by dwarf2out_init.
14230 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
14232 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
14233 symbolic constants in branch patterns.
14235 2006-04-11 Roger Sayle <roger@eyesopen.com>
14237 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
14239 2006-04-11 Richard Sandiford <richard@codesourcery.com>
14241 PR rtl-optimization/27073
14242 * gcse.c (try_replace_reg): Revert last change. Continue to search
14243 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
14246 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
14248 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
14249 aggregate types other than record and union types.
14250 (function_arg): Likewise.
14251 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
14253 (function_value): In 64-bit mode, return objects that require it
14256 2006-04-11 Roger Sayle <roger@eyesopen.com>
14258 * dwarf2out.c (premark_used_types): Remove problematic prototype.
14260 2006-04-11 Jakub Jelinek <jakub@redhat.com>
14262 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
14264 2006-04-03 Jeff Law <law@redhat.com>
14267 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
14268 alias information too.
14270 2006-04-10 Mike Frysinger <vapier@gentoo.org>
14272 * Makefile.in (gcc-cross): Add $(exeext) to target name.
14274 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
14277 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
14278 (premark_used_types_helper): New.
14279 (premark_used_types): New.
14280 (gen_subprogram_die): Call premark_used_types.
14281 (prune_unused_types_walk): Do not prune perennial dies.
14282 * function.c (used_types_insert): New.
14283 * function.h (struct function): Add used_types_hash field.
14284 (used_types_insert): Add prototype.
14285 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
14286 * c-parser.c (c_parser_cast_expression): Save casted types in used
14289 2006-04-11 Mark Mitchell <mark@codesourcery.com>
14292 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
14293 rs6000_explicit_options.float_gprs.
14295 2006-04-10 Roger Sayle <roger@eyesopen.com>
14297 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
14298 from ix86_expand_vector_init_low_nonzero. Take an additional
14299 one_var argument indicating which element is non-zero. Support
14300 one_var != 0 for V4SFmode and V4SImode by permuting the result.
14301 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
14302 with one_var instead of ix86_expand_vector_init_low_nonzero.
14304 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
14306 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
14307 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
14308 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
14309 build/genextract.o): Depend on vecprim.h.
14310 * cfglayout.c, df-problems.c, function.c, genextract.c,
14311 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
14312 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
14316 2006-04-10 Geoffrey Keating <geoffk@apple.com>
14318 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
14319 Declare VECs of this type.
14320 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
14321 (remove_children): Delete.
14322 (add_dwarf_attr): Use VEC routines.
14323 (add_AT_flag): Update for changes to add_dwarf_attr.
14324 (add_AT_int): Likewise.
14325 (add_AT_unsigned): Likewise.
14326 (add_AT_long_long): Likewise.
14327 (add_AT_vec): Likewise.
14328 (add_AT_string): Likewise.
14329 (add_AT_die_ref): Likewise.
14330 (add_AT_fde_ref): Likewise.
14331 (add_AT_loc): Likewise.
14332 (add_AT_loc_list): Likewise.
14333 (add_AT_addr): Likewise.
14334 (add_AT_lbl_id): Likewise.
14335 (add_AT_lineptr): Likewise.
14336 (add_AT_macptr): Likewise.
14337 (add_AT_offset): Likewise.
14338 (add_AT_range_list): Likewise.
14339 (get_AT): Use VEC_iterate.
14340 (remove_AT): Use VEC_ordered_remove.
14341 (free_die): Fold remove_children into here; have it use VEC_iterate.
14342 (print_die): Use VEC_iterate on attrs.
14343 (reverse_die_lists): Don't reverse attr lists.
14344 (die_checksum): Use VEC_iterate on attrs.
14345 (same_die_p): Likewise.
14346 (output_location_lists): Likewise.
14347 (build_abbrev_table): Likewise.
14348 (size_of_die): Likewise.
14349 (unmark_all_dies): Likewise.
14350 (output_abbrev_section): Likewise.
14351 (output_die): Likewise.
14352 (prune_unused_types_walk_attribs): Likewise.
14354 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14356 * doc/install.texi (*-*-solaris2*): Point to the configure page.
14358 2006-04-10 Jakub Jelinek <jakub@redhat.com>
14361 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
14363 2006-04-09 Roger Sayle <roger@eyesopen.com>
14365 * expr.c (store_constructor): Don't bother clearing target if
14366 we're about to assign a vector to it using vec_init_optab.
14368 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
14370 * tree-ssa-alias.c (lhs_may_store_to): New function.
14371 (recalculate_used_alone): Handle LHS of calls.
14373 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14377 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
14378 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
14379 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
14380 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
14381 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
14382 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
14383 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
14384 stubs. Add ".align 8" directives before all ".dword" directives.
14385 (GTHREAD_USE_WEAK): Revise comment.
14386 (TARGET_ATTRIBUTE_WEAK): Define.
14387 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
14388 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
14389 * stublib.c: New file.
14394 * pa.md (cbranch patterns): Revise arguments used in calls to
14395 output_cbranch, output_bb and output_bvd. Add long branch length
14397 (fbranch patterns): Handle long branches.
14398 (jump): Revise length check. Revise arguments for output_lbranch call.
14399 Add long branch length attributes.
14400 (decrement_and_branch_until_zero): Add long branch length attributes.
14401 (output_movb, output_parallel_addb and output_parallel_movb patterns):
14402 Likewise. Revise arguments for output_parallel_addb and
14403 output_parallel_movb calls.
14404 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
14405 output_parallel_movb and output_parallel_addb): Update prototypes.
14406 * pa.c (output_cbranch): Revise arguments. Correct handling of
14407 nullification in long branches.
14408 (output_lbranch): Add new argument to control extraction of delay
14410 (output_bb): Handle long branches.
14411 (output_bvb, output_dbra, output_movb, output_parallel_movb,
14412 output_parallel_addb): Likewise.
14414 2006-04-09 Richard Sandiford <richard@codesourcery.com>
14416 PR rtl-optimization/27073
14417 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
14420 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
14422 * tree.h (tree_memory_tag): Add old_used_alone.
14423 (SMT_OLD_USED_ALONE): New macro.
14424 * tree-ssa-alias.c (recalculate_used_alone): Stop
14425 marking things for renaming unnecessarily.
14427 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
14429 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
14430 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
14431 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
14432 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
14433 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
14434 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
14435 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
14436 spelling convensions.
14437 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
14438 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
14439 typos. Follow spelling conventions.
14441 2006-04-07 DJ Delorie <dj@redhat.com>
14443 * config/m32c/m32c.c (m32c_function_arg): Structures are always
14444 passed on the stack.
14445 (m32c_init_cumulative_args): When a function returns a structure,
14446 always pass the pointer to that return area on the stack.
14447 (m32c_function_arg_advance): Don't increment the parameter number
14448 if we're processing the returned structure pointer.
14449 (pushm_info): Reverse order of registers.
14451 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
14453 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
14454 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14455 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
14456 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
14457 build_int_cst_type.
14458 * tree-chrec.c (chrec_fold_multiply_poly_poly,
14459 chrec_fold_multiply): Same.
14460 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
14461 force_expr_to_var_cost): Same.
14462 * tree-mudflap.c (mf_xform_derefs_1): Same.
14463 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
14465 2006-04-07 David Edelsohn <edelsohn@gnu.org>
14467 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
14468 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
14471 2006-04-07 Jan Hubicka <jh@suse.cz>
14473 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
14475 2006-04-07 Richard Guenther <rguenther@suse.de>
14477 PR tree-optimization/26135
14478 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
14479 loads for store copy-prop.
14480 (copy_prop_visit_stmt): Likewise.
14482 2006-04-05 Robert Millan <robertmh@gnu.org>
14484 * config/i386/linux.h: Add a comment to mark macros that are
14485 being overriden in config/k*bsd-gnu.h.
14486 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14488 * config/knetbsd-gnu.h: Ditto.
14490 2006-04-06 Jan Hubicka <jh@suse.cz>
14494 * coverage.c (coverage_checksum_string): Reorganize loop to not read
14497 2006-04-06 Mike Stump <mrs@apple.com>
14499 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
14500 for HAVE_nonlocal_goto to be consistent.
14501 (expand_builtin_nonlocal_goto): Likewise.
14502 (expand_builtin_strcmp): Use #ifdef instead of #if
14503 for HAVE_cmpstrnsi to be consistent.
14505 2006-04-05 DJ Delorie <dj@redhat.com>
14507 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14510 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
14512 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14513 got-relative addressing for anything but SImode.
14515 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14516 even if the calling function doesn't modify them.
14518 2006-04-05 Richard Guenther <rguenther@suse.de>
14520 PR tree-optimization/26919
14521 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14522 to cgraph_estimate_size_after_inlining.
14524 2006-04-05 Alan Modra <amodra@bigpond.net.au>
14526 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14528 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
14530 PR tree-optimization/26996
14531 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14532 VECTOR_TYPE variables.
14534 2006-04-05 Richard Guenther <rguenther@suse.de>
14536 PR tree-optimization/26763
14537 * fold-const.c (fold_comparison): Move folding of
14538 PTR + CST CMP PTR + CST ...
14539 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
14541 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
14543 * doc/install.texi (Prerequisites): Refine some wording on
14544 bootstrapping and ksh.
14545 Move the version numbers of DejaGnu here from the testing section
14546 and fix casing of names.
14547 Fix markup and clarify wording for autogen requirements.
14548 Refer to GCJ instead of just java.
14549 Refer to SVN instead of CVS.
14550 Describe diffutils as useful instead of necessary.
14551 (Downloading the source): Refer to SVN instead of CVS.
14552 Adjust a link to our web site accordingly.
14553 (Configuration): Fix casing of Bison.
14554 (Building): Refer to SVN instead of CVS.
14555 Fix a sentence on the use of Bison and remove duplicate (and
14556 incorrect) version number of Bison requirement.
14557 Remove one redundant list of packages needed for building.
14558 (Specific): Avoid reference to CVS.
14560 2006-04-04 Eric Christopher <echristo@apple.com>
14562 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14563 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14564 (rs6000_handle_struct_attribute): New.
14565 (rs6000_ms_bitfield_layout_p): Ditto.
14567 2006-04-04 Geoffrey Keating <geoffk@apple.com>
14569 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14570 NULL for dso parameter to atexit_common.
14572 2006-04-04 Eric Christopher <echristo@apple.com>
14574 * config/i386/i386.c (machopic_output_stub): Output \t
14575 between instructions and operands.
14577 2006-04-04 David Edelsohn <edelsohn@gnu.org>
14579 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14580 satisfies_constraint_[IL] to explicit tests on value.
14582 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
14584 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14585 set_nb_iterations_in_loop): Use build_int_cst instead of
14586 build_int_cst_type.
14587 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14588 build_int_cst instead of convert.
14590 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
14592 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14593 new value 2 for incoming.
14594 * function.c (expand_function_start): Call struct_value_rtx
14595 with incoming as 2.
14596 * config/sparc/sparc.md: Comment updated_return.
14597 * config/sparc/sparc.opt: Add -mstd-struct-return option.
14598 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14599 struct return if sparc_std_struct_return and incoming is 2.
14600 (print_operand): Do not adjust return if
14601 sparc_std_struct_return.
14603 2006-04-04 Roger Sayle <roger@eyesopen.com>
14605 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14606 convert in the middle-end.
14607 * expr.c (store_expr, store_constructor, get_inner_reference,
14608 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14610 * tree.c (build_range_type): Likewise.
14612 2006-04-04 Tom Tromey <tromey@redhat.com>
14614 * doc/install.texi (Prerequisites): Mention jar.
14616 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
14618 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14621 2006-04-04 Matthias Klose <doko@debian.org>
14623 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14627 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14630 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14632 * doc/extend.texi (Function Attributes): Rewrite visibility
14633 attribute documentation.
14634 * doc/invoke.texi (C++ Dialect Options): Rewrite
14635 -fvisibility-inlines-hidden documentation to describe something
14636 entirely different, although in practise compatible.
14637 (Code Gen Options): Warn about system headers in -fvisibility=
14640 * doc/extend.texi (Other Builtins): Document that
14641 __builtin_nan is a compile-time constant only when its argument
14644 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14646 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14647 trying to remove TRUNCATE check if all bits outside the new mode
14648 are identical to the sign bit.
14650 2006-04-03 Jeff Law <law@redhat.com>
14652 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14653 and operand scanning in some common cases.
14655 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14656 Dale Johannesen <dalej@apple.com>
14659 * regclass.c (struct reg_pref): Update documentation.
14660 (regclass): Set prefclass to NO_REGS if memory is the best option.
14661 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14662 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14663 into account. For non-registers, equate an empty preferred
14664 reload class to a `!' in the constraint; move the if clause to
14665 do so after those that reject the insn.
14666 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14668 (find_dummy_reload): Likewise.
14669 * doc/tm.texi (Register Classes): Document what it means
14670 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14671 * config/i386/i386.c (ix86_preferred_reload_class): Force
14672 using SSE registers (and return NO_REGS for floating-point
14673 constants) if math is done with SSE.
14674 (ix86_preferred_output_reload_class): New.
14675 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14676 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14677 * config/i386/i386.md: Remove # register preferences.
14679 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14682 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14683 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14684 the type of nb_iter.
14685 (instantiate_parameters_1): Convert the operands before calling
14686 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14687 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14689 2006-04-02 Roger Sayle <roger@eyesopen.com>
14691 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14692 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14693 instead of convert.
14694 * dojump.c (do_jump): Likewise.
14695 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14696 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14697 gimplify_boolean_expr): Likewise.
14698 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14699 * varasm.c (array_size_for_constructor): Likewise.
14700 * tree-object-size.c (compute_object_offset): Likewise.
14702 2006-04-02 Roger Sayle <roger@eyesopen.com>
14704 PR middle-end/26977
14705 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14706 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14708 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14710 PR tree-optimization/26939
14711 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14713 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14715 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14716 at_stmt. Convert the type of operands before calling
14717 build_polynomial_chrec.
14718 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14719 add_to_evolution_1.
14720 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14721 (instantiate_parameters_1): Convert the type of operands before calling
14722 build_polynomial_chrec.
14723 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14724 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14725 reset_evolution_in_loop): Insert asserts to check the types of the
14727 (chrec_type): Moved...
14728 (eq_evolutions_p): Use operand_equal_p.
14729 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14730 the types of the operands.
14731 (chrec_type): ...here.
14732 * tree-data-ref.c (create_data_ref): Convert the operands before
14733 calling chrec_replace_initial_condition.
14734 (same_access_functions, analyze_subscript_affine_affine,
14735 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14736 (compute_subscript_distance, analyze_ziv_subscript,
14737 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14738 analyze_miv_subscript): Convert the operands before calling
14739 chrec_fold_minus or chrec_fold_plus.
14741 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14743 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14744 the dependence_relations vector.
14745 (compute_data_dependences_for_loop): Adjust call to
14746 compute_all_dependences.
14748 2006-04-01 Roger Sayle <roger@eyesopen.com>
14749 Richard Henderson <rth@redhat.com>
14751 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14752 gimple_boolify on the condition before calling gimplify_expr.
14754 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14756 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14757 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14758 the frame size. Update to use the new macros.
14759 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14760 * config/xtensa/ieee754-df.S: Likewise.
14762 2006-03-31 Richard Henderson <rth@redhat.com>
14764 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14765 (make_edges): ... here. Control fallthru creation with a local
14766 variable. Do not play with fake edges.
14767 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14768 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14771 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14773 * dwarf2.h (DW64_CIE_ID): Define.
14774 * dwarf2out.c (DWARF_CIE_ID): Define.
14775 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14776 length header. Use DWARF_CIE_ID.
14777 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14778 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14780 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14782 * config/sh/linux-atomic.asm: New file.
14783 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14785 2006-03-31 DJ Delorie <dj@redhat.com>
14787 * config/m32c/cond.md: Set condition flags properly throughout.
14788 * config/m32c/minmax.md: Likewise.
14789 * config/m32c/prologue.md: Likewise.
14790 * config/m32c/bitops.md: Likewise.
14791 * config/m32c/muldiv.md: Likewise.
14792 * config/m32c/mov.md: Likewise.
14793 * config/m32c/addsub.md: Likewise.
14794 * config/m32c/m32c.md: Likewise.
14795 * config/m32c/jump.md: Likewise.
14796 * config/m32c/shift.md: Likewise.
14798 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14799 conditionally output the pattern for this.
14800 * config/m32c/m32c.c (flags_needed_for_conditional): New.
14801 (m32c_compare_redundant): New.
14802 (m32c_output_compare): New.
14803 * config/m32c/m32c-protos.h (m32c_output_compare): New.
14805 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14806 dest, not src. Allow other 4-byte modes.
14808 2006-03-30 Denis Chertykov <denisc@overta.ru>
14810 * doc/md.texi: Refer to avr/constraints.md instead of
14813 2006-03-30 Roger Sayle <roger@eyesopen.com>
14815 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14816 signed vs. unsigned comparison failures on some hosts.
14818 2006-03-31 Alan Modra <amodra@bigpond.net.au>
14821 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14822 change to FLOAT_REGS.
14824 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14825 (rs6000_override_options): Use it.
14826 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
14827 only for -mabi=spe/no-spe and -mabi=altivec.
14829 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14831 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14834 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
14836 * Makefile.in: Rename docdir to gcc_docdir.
14838 2006-03-30 Roger Sayle <roger@eyesopen.com>
14841 * expr.c (emit_group_store): Optimize group stores into a pseudo
14842 register by using a paradoxical subreg to initialize the destination
14843 if the first or last member of the group specifies a "low part".
14845 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14848 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14849 * target.h (struct gcc_target.speculate_insn): Change type of the
14850 second parameter to 'int'.
14851 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14852 the second operand of the DEPS_LIST.
14853 (copy_DEPS_LIST_list): Update reference to the second operand of the
14855 * rtl.h (alloc_DEPS_LIST): Update signature.
14856 * sched-int.h (ds_t): Change typedef to 'int'.
14857 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14859 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14861 * haifa-sched.c (try_ready): Change condition to restore
14862 non-speculative pattern of the instruction.
14863 (process_insn_depend_be_in_spec): Code to keep probability of the
14864 speculative dependence non-decreasing.
14866 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14868 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14869 (single_move_for_movmem): ... this. Also change all uses.
14870 (bfin_expand_strmov): Renamed to...
14871 (bfin_expand_movmem): ... this. Also change all uses.
14872 * config/bfin/bfin.md (movstrsi): Renamed to...
14873 (movstrsi): ...this.
14875 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14877 PR tree-optimization/26830
14879 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14880 (copy_prop_visit_stmt): Remove write-only variable ann.
14881 (init_copy_prop): Check variable loop depth here. Do not simulate
14882 memory-tag and virtual operand PHIs except for store copy prop.
14884 2006-03-30 Richard Guenther <rguenther@suse.de>
14886 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14887 variants with double arguments.
14889 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14891 * genpreds.c (write_tm_constrs_h): Delete variable p.
14892 * genconditions.c (write_header): Add tm-constrs.h to included
14894 * genpeep.c (main): Add toplev.h to included headers.
14895 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14896 (build/genpeep.o): Add toplev.h dependency.
14897 * config/rs6000/constraints.md: Add "W" constraint.
14899 2006-03-29 Roger Sayle <roger@eyesopen.com>
14901 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14902 sizes by correctly testing whether the size fits a host integer.
14903 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14904 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14905 SImode range for the default sizetype and bitsizetype.
14907 2006-03-29 Roger Sayle <roger@eyesopen.com>
14909 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14910 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14911 quickly if the argument is already of the correct type.
14912 Call fold_build1 instead of build1. Tidy up blank lines.
14914 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14916 * genemit.c (main): Add tm-constrs.h to included headers.
14917 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14918 * genpeep.c (main): Add tm-constrs.h to included headers.
14919 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14920 (write_tm_constrs_h): this and write complete file.
14921 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14922 (write_insn_preds_c): Add tm-constrs.h to included headers.
14923 (gen_constrs): New variable.
14924 (parse_option): Parse "-c".
14925 (main): Invoke write_tm_constrs_h.
14926 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14927 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14928 (object_out_file): Add tm-constrs.h dependency.
14929 (insn-emit.o): Same.
14930 (insn-output.o): Same.
14931 (insn-peep.o): Same.
14932 (insn-preds.o): Same.
14933 (insn-recog.o): Same.
14934 (tm-constsr.h): New target.
14935 (s-constrs-h): New target.
14937 * config/rs6000/constraints.md: New file.
14938 * config/rs6000/rs6000.c: Include tm-constrs.h.
14939 (num_insn_constant_wide): Convert to satisfies_constraint.
14940 (rs6000_rtx_costs): Convert to satisfies_constraint.
14941 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14942 (CONST_OK_FOR_LETTER_P): Delete.
14943 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14944 (EXTRA_CONSTRAINT): Delete.
14945 (EXTRA_MEMORY_CONSTRAINT): Delete.
14946 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14947 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14948 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14949 satisfies_constraint.
14951 * config/i386/i386.c: Include tm-constrs.h.
14953 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14955 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14956 * tree-data-ref.c (find_data_references_in_loop,
14957 compute_data_dependences_for_loop): Use pointers to VEC.
14958 (analyze_all_data_dependences): Adjust calls.
14959 * tree-data-ref.h (find_data_references_in_loop,
14960 compute_data_dependences_for_loop): Adjust declarations.
14961 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14962 compute_data_dependences_for_loop.
14964 2006-03-29 Paul Brook <paul@codesourcery.com>
14966 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14967 (movdf_vfp): Ditto.
14969 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14971 PR tree-optimization/26859
14972 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14974 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14975 for the step after fold_convert.
14977 2006-03-29 Paul Brook <paul@codesourcery.com>
14979 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14980 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14982 2006-03-29 Paul Brook <paul@codesourcery.com>
14984 PR middle-end/23623
14985 * targhooks.c (default_narrow_bitfield): New fuction.
14986 * targhooks.h (default_narrow_bitfield): add prototype.
14987 * target.h (gcc_target): Add narrow_volatile_bitfield.
14988 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14989 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14990 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14991 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14993 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14995 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14997 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14998 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14999 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
15000 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
15001 (s390_function_arg_float): Allow SDmode and DDmode values to be
15002 passed in floating point registers.
15003 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
15004 check with SCALAR_FLOAT_MODE_P.
15005 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
15007 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
15009 PR tree-optimization/25985
15010 * tree-ssa-loop-niter.c (number_of_iterations_le,
15011 number_of_iterations_ne): Make comments more precise.
15012 (number_of_iterations_cond): Add only_exit argument. Use the
15013 fact that signed variables do not overflow only when only_exit
15015 (loop_only_exit_p): New.
15016 (number_of_iterations_exit): Pass result of loop_only_exit_p to
15017 number_of_iterations_cond.
15019 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
15021 PR tree-optimization/26643
15022 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
15025 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
15027 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
15028 (divsi3_i4_int): Likewise.
15030 2006-03-28 Roger Sayle <roger@eyesopen.com>
15032 * expr.c (emit_group_store): Only create a new pseudo reg if the
15033 quantity it needs to hold isn't already a suitable pseudo.
15035 2006-03-28 Jeff Law <law@redhat.com>
15037 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
15038 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
15040 2006-03-28 Roger Sayle <roger@eyesopen.com>
15042 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
15043 the equivalent ~X & Y, and the symmetry related transformations.
15044 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
15045 ~X & Y, and symmetry related transforms.
15047 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15049 Revert my 2006-03-27 patches.
15051 2006-03-28 Roger Sayle <roger@eyesopen.com>
15053 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
15054 ~(T1)X, when T1 and T2 are integer types of the same precision
15055 and (T2)X isn't an extension.
15057 2006-03-28 Jeff Law <law@redhat.com>
15059 PR tree-optimization/26796
15060 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
15061 need EH edge cleanups rather than purging them immediately.
15062 (eliminate_degenerate_phis): Handle queued EH cleanups.
15064 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
15066 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
15069 2006-03-27 Roger Sayle <roger@eyesopen.com>
15071 PR middle-end/22524
15072 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
15073 cast BIT_NOT_EXPR operand to the correct type.
15075 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
15077 * tree-loop-linear.c: Don't include varray.h.
15078 (gather_interchange_stats, try_interchange_loops,
15079 linear_transform_loops): Use VEC instead of VARRAY.
15080 * lambda-mat.c: Don't include varray.h.
15081 * tree-chrec.c: Same.
15082 * lambda-trans.c: Same.
15083 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
15084 VEC instead of VARRAY.
15085 * tree-vectorizer.h: Idem.
15086 * tree-data-ref.c (dump_data_references,
15087 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
15088 initialize_data_dependence_relation, finalize_ddr_dependent,
15089 compute_all_dependences, find_data_references_in_loop,
15090 compute_data_dependences_for_loop, analyze_all_data_dependences,
15091 free_dependence_relation, free_dependence_relations,
15092 free_data_refs): Idem.
15093 * tree-data-ref.h (data_reference_p, subscript_p): New.
15094 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
15095 VEC instead of VARRAY.
15096 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
15097 (find_data_references_in_loop, compute_data_dependences_for_loop,
15098 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
15099 dump_data_dependence_relations, free_dependence_relations,
15100 free_data_refs): Adjust declaration.
15101 (lambda_transform_legal_p): Move declaration here...
15102 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
15103 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
15104 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
15105 vect_analyze_data_refs): Use VEC instead of VARRAY.
15106 * lambda.h (lambda_transform_legal_p): ...from here.
15107 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
15108 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
15109 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
15110 tree-chrec.o): Don't depend on VARRAY_H.
15112 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15114 * rtl.def (Copyright): Update date.
15115 (DEPS_LIST): Change type of the second operand to 'int'.
15116 * target.h (Copyright): Update date.
15117 (struct gcc_target.speculate_insn): Change type of the second parameter
15119 * lists.c (Copyright): Update date.
15120 (alloc_DEPS_LIST): Change signature. Update reference to the second
15121 operand of the DEPS_LIST.
15122 (copy_DEPS_LIST_list): Update reference to the second operand of the
15124 * rtl.h (Copyright): Update date.
15125 (alloc_DEPS_LIST): Update signature.
15126 * sched-int.h (Copyright): Update date.
15127 (ds_t): Change typedef to 'int'.
15128 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
15130 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15132 * haifa-sched.c (Copyright): Update date.
15133 (try_ready): Change condition to restore non-speculative pattern
15134 of the instruction.
15135 (process_insn_depend_be_in_spec): Code to keep probability of the
15136 speculative dependence non-decreasing.
15138 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
15140 * regrename.c (replace_oldest_value_addr): Initialize a variable to
15141 shut up the compiler.
15143 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
15145 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
15146 to use lib prefix for target.
15147 ($(T)libic_invalidate_array_4-200.a): Likewise.
15148 ($(T)libic_invalidate_array_4a.a): Likewise.
15150 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
15151 J"orn Rennecke <joern.rennecke@st.com>
15153 * superh.opt: New file.
15154 * sh.c (boardtype, osruntime): Remove.
15155 * superh.h (SUBTARGET_OPTIONS): Remove.
15156 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
15158 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
15159 arguments with ^ and/or [].
15161 * config.gcc (sh-*-*): Add quoting to account for quirk of
15163 Replace == with = in enable_incomplete_targets test.
15165 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
15166 with MASK_LITTLE_ENDIAN.
15168 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
15169 * config/sh/sh.opt: Added to some comments.
15170 * config/sh/superh.h: Removed some chaff.
15172 * config/sh/sh.opt: Add m4-[1234]00* options.
15173 * config/sh/sh.c (sh_handle_option): Likewise.
15174 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
15175 (ic_invalidate_array_4-100.o): New rule.
15176 ($(T)libic_invalidate_array_4-100.a): Likewise.
15177 (ic_invalidate_array_4-200.o): Likewise.
15178 ($(T)libic_invalidate_array_4-200.a): Likewise.
15179 (ic_invalidate_array_4a.o): Likewise.
15180 ($(T)libic_invalidate_array_4a.a): Likewise.
15181 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
15182 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
15184 * config/sh/crt1.asm: Merged in profiling code.
15185 * config/sh/superh.h (STARTFILE_SPEC): Override.
15186 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
15187 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
15188 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
15190 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
15191 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
15192 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
15194 * sh.opt (mpretend-cmove): New option.
15195 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
15196 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
15197 (movsicc): Add TARGET_PRETEND_CMOVE code.
15199 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
15201 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
15202 s390_class_max_nregs): New function prototypes.
15203 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
15204 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
15205 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
15206 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
15208 2006-03-26 Geoffrey Keating <geoffk@apple.com>
15210 * dwarf2out.c (add_location_or_const_value_attribute): Call
15211 tree_add_const_value_attribute if nothing else works.
15212 (reference_to_unused): New.
15213 (rtl_for_decl_init): Use reference_to_unused to decide whether
15214 to output an initializer.
15216 2006-03-27 Alan Modra <amodra@bigpond.net.au>
15219 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
15220 peephole removing spe frob_di_df_2.
15222 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
15224 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
15225 (subscript_dependence_tester_1): Declared.
15226 (print_dir_vectors, print_dist_vectors): New.
15227 (debug_data_dependence_relation): New.
15228 (dump_data_dependence_relation): Print more details.
15229 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
15230 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
15231 (save_dist_v, save_dir_v, add_outer_distances,
15232 build_classic_dist_vector_1): New.
15233 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
15234 Don't test for lambda_vector_lexico_pos.
15235 (same_access_functions, add_multivariate_self_dist,
15236 add_other_self_distances, dir_from_dist): New.
15237 (build_classic_dir_vector): Replace implementation almost identical to
15238 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
15240 (subscript_dependence_tester_1): New.
15241 (subscript_dependence_tester): Handle the lexicographically negative
15242 distance vectors by recomputing the dependence relation.
15243 (compute_affine_dependence): Remove parameter loop_nest_depth.
15244 (compute_self_dependence): Don't call compute_subscript_distance.
15245 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
15246 Add a parameter for the loop_nest.
15247 (find_loop_nest_1, find_loop_nest): New.
15248 (compute_data_dependences_for_loop): Compute the loop nest, and give
15249 up if the nest is not well formed.
15250 * tree-data-ref.h (loop_p): New.
15251 (struct data_dependence_relation): Replace size_vect field with
15252 loop_nest, a vec of loops.
15253 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
15254 (DDR_LOOP_NEST): New.
15255 (print_dir_vectors, print_dist_vectors,
15256 debug_data_dependence_relation): Declared.
15257 (index_in_loop_nest): New.
15258 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
15259 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
15262 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
15264 * simplify-rtx.c (simplify_relational_operation): Call
15265 simplify_relational_operation_1 even if mode is VOIDmode.
15267 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
15269 PR tree-optimization/26804
15270 * tree.h (DECL_CALL_CLOBBERED): New macro.
15271 (tree_decl_common): Add call_clobbered_flag.
15272 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
15273 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
15274 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
15275 (mark_non_addressable): Ditto.
15276 * tree-ssa.c (verify_call_clobbered): New function.
15277 (verify_alias_info): Use it.
15278 * tree-pass.h (pass_reset_cc_flags): New prototype.
15279 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
15280 (reset_cc_flags): New function.
15281 * passes.c (init_optimization_passes): Call reset_cc_flags after
15282 initializing referenced_vars.
15284 2006-03-25 Uros Bizjak <uros@kss-loka.si>
15285 Roger Sayle <roger@eyesopen.com>
15287 PR middle-end/26717
15288 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
15289 to 1.0 for non-real operands. Implement A / A optimization for
15292 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
15294 * config/i386/i386.c (size_cost): Correct the comment for
15295 cost of storing fp registers.
15296 (i386_cost): Likewise.
15297 (i486_cost): Likewise.
15298 (pentium_cost): Likewise.
15299 (pentiumpro_cost): Likewise.
15300 (k6_cost): Likewise.
15301 (athlon_cost): Likewise.
15302 (k8_cost): Likewise.
15303 (pentium4_cost): Likewise.
15304 (nocona_cost): Likewise.
15305 (generic64_cost): Likewise.
15306 (generic32_cost): Likewise.
15308 2006-03-24 Denis Chertykov <denisc@overta.ru>
15310 * config/avr/avr-protos.h (extra_constraint): Delete.
15311 (extra_constraint_Q): New declaration.
15312 * config/avr/constraints.md: New file.
15313 * config/avr/avr.md: Include it.
15314 (REG_X, REG_Y, REG_Z, REG_W): New constants.
15315 (TMP_REGNO, ZERO_REGNO): Likewise.
15316 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
15317 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
15318 (extra_constraint): Delete.
15319 (extra_constraint_Q): Test for memory constraint 'Q'.
15320 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
15321 (REG_CLASS_FROM_LETTER): Delete.
15322 (CONST_OK_FOR_LETTER_P): Delete.
15323 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15324 (EXTRA_CONSTRAINT): Delete.
15325 (TMP_REGNO): Delete.
15326 (ZERO_REGNO): Delete.
15328 2006-03-24 Jeff Law <law@redhat.com>
15330 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
15331 directly. Call mark_new_vars_to_rename slightly earlier.
15333 2006-03-24 Geoffrey Keating <geoffk@apple.com>
15335 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
15336 (is_cxx): Likewise.
15337 (gen_compile_unit_die): Use new language types for Objective-C and
15339 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
15340 DW_LANG_C_plus_plus.
15343 * config/t-darwin (crt3.o): Work around bug 26840.
15344 * config/darwin-crt3.c: Rewrite.
15345 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
15347 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
15349 * doc/invoke.texi: Document -femit-class-debug-always
15350 * common.opt: Add -femit-class-debug-always.
15352 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
15354 * config/s390/s390.c (s390_decompose_address): Allow SImode for
15355 index and base register.
15356 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
15357 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
15358 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
15359 REGNO_OK_FOR_INDEX_P.
15360 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
15362 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
15363 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
15364 REG_OK_FOR_BASE_P): Definitions removed.
15366 2006-03-24 Jakub Jelinek <jakub@redhat.com>
15368 PR middle-end/26611
15369 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
15370 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
15371 set yet or weren't marked as local yet.
15373 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
15375 * regrename.c (scan_rtx_address): Initialize a variable to shut up
15378 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
15380 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
15381 (rs6000_legitimate_small_data_p): Delete.
15382 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
15383 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
15384 and make static. Add forward declaration. Update uses.
15385 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
15386 of offsettable_memref_p.
15387 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
15388 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
15390 2006-03-24 Jeff Law <law@redhat.com>
15392 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
15393 around bug in immediate-use iterator.
15395 2006-03-24 Alan Modra <amodra@bigpond.net.au>
15398 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
15399 or __LITTLE_ENDIAN__.
15401 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
15403 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
15404 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
15405 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
15406 * config/sh/sh.opt (mdiv=): Amend description.
15407 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
15408 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
15409 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
15410 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
15411 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
15412 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
15413 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
15414 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
15415 TARGET_DIVIDE_CALL_FP.
15417 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15419 * haifa-sched.c (choose_ready): Fix type of the local variable.
15420 Move local variables. Add comment.
15421 (check_reg_live): Change signature. Make callable from debugger.
15422 * sched-int.h (check_reg_live): Update signature.
15423 * sched-ebb.c (check_reg_live): Update parameters.
15424 * sched-rgn.c (check_reg_live): Ditto.
15425 (region_head_or_leaf_p): Check pointer before dereferencing.
15426 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
15427 before reload on optimization levels below 1.
15429 2006-03-23 Richard Henderson <rth@redhat.com>
15431 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
15435 * config/alpha/predicates.md (local_symbolic_operand): Reject
15438 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
15441 * tree-ssa-pre.c (create_value_expr_from): Don't reject
15442 expressions which have overflowed constants.
15444 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15446 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
15448 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15450 * cfgloopmanip.c (create_loop_notes): Removed.
15451 * final.c (final_scan_insn): Do not handle loop notes.
15452 * jump.c (squeeze_notes): Ditto.
15453 * cfglayout.c (skip_insns_after_block,
15454 duplicate_insn_chain): Ditto.
15455 * cfgcleanup.c (rest_of_handle_jump2): Do not call
15457 * cfgloop.h (create_loop_notes): Declaration removed.
15459 2006-03-23 Richard Sandiford <richard@codesourcery.com>
15461 * varasm.c (output_constant_pool): Restore fnname and fndecl
15463 (assemble_start_function): Adjust call accordingly.
15464 (assemble_end_function): Likewise.
15466 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15469 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15472 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
15474 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15477 * system.h (ICE_EXIT_CODE): New macro.
15478 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
15479 (diagnostic_action_after_output): Likewise.
15480 * gcc.c (fatal_ice): New function.
15481 (execute): Use it instead of fatal.
15482 (fancy_abort): Likewise.
15483 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
15485 2006-03-22 Jeff Law <law@redhat.com>
15487 * loop-unroll.c (analyze_iv_to_split_insn): Handle
15488 iv_analyze_result returning false.
15490 2006-03-22 Jie Zhang <jie.zhang@analog.com>
15492 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
15494 2006-03-22 Richard Henderson <rth@redhat.com>
15496 PR middle-end/26084
15497 * except.c (duplicate_eh_regions_0): New.
15498 (duplicate_eh_region_1): Duplicate the children of the node as
15499 well as the node itself. Link them up properly.
15500 (duplicate_eh_region_2): Merge into ...
15501 (duplicate_eh_regions): ... here. Take copy_region argument, and
15502 copy only a sub-tree if asked. Simplify copying and fixup.
15503 (eh_region_outer_p): New.
15504 * except.h (duplicate_eh_regions): Update decl.
15505 (eh_region_outer_p): Declare.
15506 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15507 (lower_omp_master): Likewise.
15508 (lower_omp_ordered): Likewise.
15509 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
15510 (move_stmt_r): Use it to remap labels. Handle recursion vs
15511 remap_decls_p properly.
15512 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
15513 (find_outermost_region_in_block): New.
15514 (new_label_mapper): New.
15515 (move_sese_region_to_fn): Copy eh information to the new function
15517 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15519 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15522 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15524 * doc/md.texi (-mshared): Mention that -mshared code can be linked
15525 into shared libraries.
15527 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15529 * doc/md.texi: Refer to i386/constraints.md instead of
15530 i386/predicates.md.
15531 * config/i386/constraints.md: New file, extracted from...
15532 * config/i386/predicates.md: ...here.
15533 * config/i386/i386.md: Include constraints.md.
15535 2006-03-21 Jason Merrill <jason@redhat.com>
15537 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15539 PR middle-end/20297
15540 * expr.c (init_block_move_fn): Force default visibility.
15541 (init_block_clear_fn): Likewise.
15542 * builtins.c (expand_builtin_fork_or_exec): Likewise.
15543 * targhooks.c (default_external_stack_protect_fail): Likewise.
15545 2006-03-21 Richard Sandiford <richard@codesourcery.com>
15547 * config/mips/predicates.md (const_call_insn_operand): Allow direct
15548 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15549 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15550 Use TARGET_OLDABI instead of !TARGET_NEWABI.
15551 (loadgp): Use mips_current_loadgp_style.
15552 (loadgp_noshared): New pattern.
15553 (sibcall_internal): Use MIPS_CALL.
15554 (sibcall_value_internal): Likewise.
15555 (sibcall_value_multiple_internal): Likewise.
15556 (call_internal): Likewise.
15557 (call_value_internal): Likewise.
15558 (call_value_multiple_internal): Likewise.
15559 (call_split): Use MIPS_CALL and add an 'S' constraint.
15560 (call_value_split): Likewise.
15561 (call_value_multiple_split): Likewise.
15562 * config/mips/mips.opt (-mabicalls): Tweak docstring.
15563 (-mshared): New option.
15564 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15565 (mips_current_loadgp_style): Declare.
15566 * config/mips/mips.c (mips_classify_symbol): Avoid using
15567 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
15568 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15569 TARGET_ABSOLUTE_ABICALLS.
15570 (override_options): Adjust comments. Improve the warning that is
15571 issued when -mabicalls and -G are used together.
15572 (mips_file_start): Remove comment.
15573 (mips_current_loadgp_style): New function.
15574 (mips_gnu_local_gp): New variable.
15575 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
15577 (mips_output_function_prologue): Use mips_current_laodgp_style.
15578 (mips_expand_prologue): Call mips_emit_loadgp before emitting
15579 the cprestore instruction.
15580 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
15581 live for TARGET_ABSOLUTE_ABICALLS.
15582 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15583 (ASM_SPEC): Pass down -mshared and -mno-shared.
15584 (MIPS_CALL): New macro.
15585 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15587 * doc/invoke.texi (-mabicalls): Update documentation.
15588 (-mshared): Document.
15590 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15592 * config/ia64/unwind-hpux.c: New file.
15593 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15595 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15598 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15600 2006-03-21 Jeff Law <law@redhat.com>
15602 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15603 type conversions of a VR_VARYING source to a wider type.
15605 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15607 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15608 tm_file on Solaris 10 and later.
15609 (sparc64-*-solaris2*): Likewise.
15610 (sparc-*-solaris2*): Likewise.
15611 * config/sol26.h: Rename to config/sol2-6.h.
15612 * config/sol2-10.h: New file.
15614 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
15617 * tree-ssa-pre.c (create_component_ref_by_pieces):
15620 2006-03-21 Jakub Jelinek <jakub@redhat.com>
15623 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15624 return it immediately.
15626 2006-03-21 Michael Matz <matz@suse.de>
15628 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15630 (remove_arc, add_arc): Update num_out_arcs member.
15631 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15633 (cache_presence): New function.
15634 (compare_states_for_equiv): New function.
15635 (state_is_differed): Don't take number of outargs, adjust callers.
15636 Use new invariant for speeding up.
15637 (init_equiv_class): Create initial classes based on sorted
15639 (partition_equiv_class): Don't track out_arcs_num.
15640 (evaluate_equiv_classes): Call cache_presence on all states and
15643 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15645 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15646 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15647 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15648 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15650 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15651 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15652 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15653 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15654 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15656 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15657 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15658 (REGNO_REG_CLASS): ARGP is in PREGS.
15659 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15661 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15662 to deal with those addresses.
15663 * addresses.h: New file.
15664 * caller-save.c: Include "addresses.h".
15665 (init_caller_save): Use new base_reg_class function.
15666 * rtl-factoring.c: Include "addresses.h".
15667 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15668 * recog.c: Include "addresses.h".
15669 (preprocess_constraints): Use new base_reg_class function.
15670 * regrename.c: Include "addresses.h".
15671 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15672 functions. Keep track of a new var INDEX_CODE to compute valid
15674 (replace_oldest_value_addr): Likewise.
15675 (replace_oldest_value_mem): Use base_reg_class.
15676 * reload.c: Include "addresses.h".
15677 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15678 (find_reloads): Use new base_reg_class function.
15679 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15680 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15681 all callers and prototype changed.
15682 * reload1.c: Include "addresses.h".
15683 (maybe_fix_stack_asms): Use base_reg_class.
15684 * regclass.c: Include "addresses.h".
15685 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15686 (init_reg_autoinc): Use new base_reg_class function.
15687 (record_reg_classes): Likewise.
15688 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15689 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15690 Use new args to compute necessary class.
15692 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15693 regrename.o, rtl-factoring.o): Update dependencies.
15694 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15695 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15696 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15697 REG_OK_FOR_INDEX_P): Delete documentation.
15699 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15701 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15702 from V7 to V9 for Solaris 7 and above.
15704 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15706 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15707 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15708 argument pointers may not alias any other storage.
15709 * common.opt: Define option -fargument-noalias-anything.
15710 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15711 alias semantics is specified by flag_argument_noalias > 2.
15713 2006-03-20 Jeff Law <law@redhat.com>
15715 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15716 (pass_phi_only_cprop): Declare.
15717 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15718 with phi_only_cprop
15719 * tree-ssa-dom.c (degenerate_phi_result): New function.
15720 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15721 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15722 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15723 (eliminate_degenerate_phis): Likewise.
15724 (pass_phi_only_cprop): New pass descriptor.
15725 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15726 support code. Callers updated.
15727 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15728 (store_copy_prop): Likewise.
15729 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15731 2006-03-20 Jason Merrill <jason@redhat.com>
15734 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15735 (push_visibility, pop_visibility): Likewise.
15736 * c-pragma.h: Declare them.
15738 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15740 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15742 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15743 parameter and use get_ebb_head_tail.
15744 (sh_md_init_global): Adjust uses of find_regmode_weight.
15746 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15748 * function.h (struct function) <x_tail_recursion_reentry>:
15749 Rename to x_stack_check_probe_note.
15750 (tail_recursion_reentry): Rename to stack_check_probe_note.
15751 * function.c: Replace tail_recursion_reentry with
15752 stack_check_probe_note everywhere.
15753 (expand_function_start): Only emit a note for
15754 stack_check_probe_note with -fstack-protect.
15755 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15757 * emit-rtl.c (remove_unnecessary_notes): Remove.
15758 (pass_remove_unnecessary_notes): Remove.
15759 * rtl.h (remove_unnecessary_notes): Remove prototype.
15760 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15761 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15762 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15764 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15767 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15768 (valid_in_set): Handle ARRAY_REF.
15769 Change "if min_variant or VH" to asserts.
15770 (create_component_ref_by_pieces): Handle ARRAY_REF.
15771 (create_expression_by_pieces): Likewise.
15772 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15774 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15776 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15777 is operand of switch, not str[0].
15779 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15781 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15782 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15784 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15786 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15787 end of insn_extra_address_constraint declaration.
15789 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15791 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15792 (no-sum-in-toc): Same.
15793 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15795 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15796 NO_FP_IN_TOC for -fPIC instead of mask.
15798 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15799 (BOOT_LDFLAGS): Delete.
15801 * config/rs6000/t-aix52: Same.
15803 * config/rs6000/rs6000.md (store_multiple_power): Delete.
15804 (stmsi[345678]_power): New.
15806 2006-03-17 Steve Ellcey <sje@cup.hp.com>
15808 * config/ia64/ia64.opt: Add empty line to end of file.
15810 2006-03-17 Richard Guenther <rguenther@suse.de>
15812 PR middle-end/26721
15813 * builtins.c (get_pointer_alignment): For component style references
15814 adjust alignment to the component type alignment. Make sure
15815 to adjust alignment for component access of constants.
15817 2006-03-17 David Edelsohn <edelsohn@gnu.org>
15819 * config/rs6000/rs6000.md (strlensi): Emit barrier after
15820 unconditional jump.
15822 2006-03-17 Paul Brook <paul@codesourcery.com>
15824 * doc/install.texi: Docuemnt --with-mode.
15825 * config.gcc: Add --with-mode for arm*-*-*.
15826 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15828 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
15830 * sh.c (max_labelno_before_reorg): New variable.
15831 (sh_reorg): Initialize it.
15832 (find_barrier): Check max_labelno_before_reorg before using
15833 label_to_alignment. Take length of explicit alignment insns
15834 into account. When seeing a UNSPECV_CONST_END, return it.
15836 * sh.c (fixup_mova): Set mode of affected label to QImode.
15837 (untangle_mova): New function.
15838 (find_barrier): Use it. Check mode of label before decrementing
15840 (sh_reorg): Likewise.
15841 Set mode of all insns back to VOIDmode.
15843 * sh.c (MOVA_LABELREF): New macro.
15844 (mova_p, fixup_mova, sh_reorg): Use it.
15845 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15846 ADDR_DIFF_VEC matches mova.
15848 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
15850 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15851 with ATTRIBUTE_UNUSED.
15853 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15855 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15856 pointer, instead of assuming it is possible to derive the
15857 correct args size from a call insn.
15859 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15861 * rtl.h (CONST_INT_P): Define.
15862 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15863 instead of GET_CODE(x) == CONST_INT.
15864 (vax_rtx_costs): Likewise.
15865 (vax_output_int_move): Likewise.
15866 (vax_output_int_add): Likewise.
15867 (legitimate_constant_address_p): Likewise.
15868 (index_term_p): Likewise.
15869 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15870 * config/vax/vax.md (and<mode>3): Likewise.
15871 (ashrsi3): Likewise.
15873 (movstricthi): Likewise.
15874 (movstrictqi): Likewise.
15875 (rotrsi3): Likewise.
15876 (five unnamed insns): Likewise.
15878 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15880 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15881 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15882 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15883 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15884 Pass to ASM_OUTPUT_DWARF_OFFSET.
15885 * dwarf2out.c (debug_frame_section): New.
15886 (output_call_frame_info): Use debug_frame_section. Pass it to
15887 dw2_asm_output_offset.
15888 (output_die): Pass appropriate section to dw2_asm_output_offset.
15889 (output_compilation_unit_header): Likewise.
15890 (output_pubnames): Likewise.
15891 (output_aranges): Likewise.
15892 (enum dw_val_class): Break dw_val_class_lbl_offset into
15893 dw_val_class_lineptr and dw_val_class_macptr.
15894 (add_AT_lbl_offset): Delete.
15895 (add_AT_lineptr): New.
15896 (add_AT_macptr): New.
15897 (AT_lbl): Expect a lineptr or macptr.
15898 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15899 (attr_checksum): Likewise.
15900 (same_dw_val_p): Likewise.
15901 (size_of_die): Likewise.
15902 (value_format): Likewise.
15903 (output_die): Likewise.
15904 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15906 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15907 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15908 * config/darwin-protos.h (darwin_file_start): New.
15909 (darwin_asm_output_dwarf_offset): New.
15910 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15911 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15913 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15914 if not EH section; simplify.
15915 (darwin_file_start): New.
15916 (darwin_asm_output_dwarf_offset): New.
15917 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15919 (DEBUG_INFO_SECTION): Likewise.
15920 (DEBUG_ABBREV_SECTION): Likewise.
15921 (DEBUG_ARANGES_SECTION): Likewise.
15922 (DEBUG_MACINFO_SECTION): Likewise.
15923 (DEBUG_LINE_SECTION): Likewise.
15924 (DEBUG_LOC_SECTION): Likewise.
15925 (DEBUG_PUBNAMES_SECTION): Likewise.
15926 (DEBUG_STR_SECTION): Likewise.
15927 (DEBUG_RANGES_SECTION): Likewise.
15928 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15929 (ASM_OUTPUT_DWARF_OFFSET): New.
15931 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15933 * config.gcc (tm_defines): Always add to previous value rather
15936 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15938 * config/mips/predicates.md (splittable_const_int_operand): New,
15939 split from move_operand.
15940 (splittable_symbolic_operand): New.
15941 (move_operand): Add commentary. Use splittable_const_int_operand.
15942 Inline mips_atomic_symbolic_constant_p.
15943 * config/mips/mips.md: Add combine splitters for handling moves
15944 of splittable_const_int_operands and splittable_symbolic_operands.
15945 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15946 (mips_split_symbol): Declare.
15947 (mips_move_integer): Declare.
15948 * config/mips/mips.c (mips_split_p): Make global.
15949 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15950 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15951 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15952 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15953 (mips_offset_within_object_p): Handle block symbols.
15954 (mips_atomic_symbolic_constant_p): Delete.
15955 (mips_cannot_force_const_mem): Return false for constants that
15956 mips_legitimize_move can handle.
15957 (mips_use_blocks_for_constant_p): New function.
15958 (mips_split_symbol): Make global.
15959 (mips_move_integer): Likewise. Add a temporary register argument.
15960 (mips_legitimize_const_move): Use splittable_const_int_operand and
15961 splittable_symbolic_operand.
15962 (mips_use_anchors_for_symbol_p): New function.
15963 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15964 (mips_split_p): Declare.
15966 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15968 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15969 (mips*-*-linux*): Likewise.
15971 2006-03-16 Roger Sayle <roger@eyesopen.com>
15972 Daniel Speyer <dspeyer@wam.umd.edu>
15974 PR middle-end/18259
15975 * tree-dump.c (dump_real): New function.
15976 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15977 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15978 (tree-dump.o): Add $(REAL_H) to the dependencies.
15980 2006-03-16 Roger Sayle <roger@eyesopen.com>
15982 PR middle-end/21781
15983 * real.c (real_from_string): If the mantissa is zero, don't bother
15984 parsing the exponent as the result should always be zero.
15986 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15988 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15990 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15992 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15993 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15994 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15995 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15996 ia64_sched_finish_global): New static functions to implement
15997 hooks from gcc_target.sched.
15998 (spec_check_no, max_uid, pending_data_specs): New static variables.
15999 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
16000 ia64_spec_check_src_p): New static functions.
16001 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
16002 (TARGET_SCHED_ADJUST_COST): Removed.
16003 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
16004 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
16005 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16006 TARGET_SCHED_GEN_CHECK,
16007 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16008 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
16009 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
16010 Fixed to handle speculation checks.
16011 (rtx_needs_barrier): Fixed to handle speculative loads and
16013 (ia64_variable_issue): Added code to count speculative loads and their
16015 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
16017 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
16019 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
16021 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
16022 (ia64_reorg): Reset stops_p to NULL after it is freed.
16023 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
16024 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
16025 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
16027 (data_speculative, control_speculative, check_load): New attributes.
16028 (mov<mode>_advanced, mov<mode>_speculative,
16029 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
16030 zero_extend<mode>di2_speculative,
16031 zero_extend<mode>di2_speculative_advanced): New patterns for
16032 data and control speculative loads.
16033 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
16035 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
16036 New pattern for data and control speculation checks.
16037 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
16038 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
16039 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
16040 Auxiliary definitions for the patterns.
16041 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
16042 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
16044 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
16046 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
16047 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
16048 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
16049 New resource constraints.
16050 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
16052 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
16053 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
16054 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
16055 msched-in-control-spec, msched-ldc, msched-control-ldc,
16056 msched-spec-verbose, msched-prefer-non-data-spec-insns,
16057 msched-prefer-non-control-spec-insns,
16058 msched-count-spec-in-critical-path): New flags to tune speculative
16060 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
16061 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
16062 msched-in-control-spec, msched-ldc, msched-control-ldc,
16063 msched-spec-verbose, msched-prefer-non-data-spec-insns,
16064 msched-prefer-non-control-spec-insns,
16065 msched-count-spec-in-critical-path): Document new flags.
16067 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16069 * target.h (struct spec_info_def): New opaque declaration.
16070 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
16071 speculate_insn, needs_block_p, gen_check,
16072 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
16073 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
16074 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
16075 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
16076 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16077 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
16079 (TARGET_SCHED): Use new macros.
16080 * rtl.h (copy_DEPS_LIST_list): New prototype.
16081 * sched-int.h (struct sched_info): Change signature of new_ready field,
16082 adjust all initializations. New fields: add_remove_insn,
16083 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
16084 region_head_or_leaf_p.
16085 (struct spec_info_def): New structure declaration.
16086 (spec_info_t): New typedef.
16087 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
16088 recovery_block, orig_pat.
16089 (glat_start, glat_end): New variables declaraions.
16090 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
16092 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
16093 DETACH_LIFE_INFO, USE_GLAT.
16094 (enum SPEC_SCHED_FLAGS): New enumeration.
16095 (NOTE_NOTE_BB_P): New macro.
16096 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
16097 attach_life_info, debug_spec_status, check_reg_live): New functions.
16098 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
16099 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
16101 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
16102 * ddg.c (get_block_head_tail): Adjust all uses.
16103 * modulo-sched.c (get_block_head_tail): Adjust all uses.
16104 (sms_sched_info): Initialize new fields.
16105 (contributes_to_priority): Removed.
16106 * haifa-sched.c (params.h): New include.
16107 (get_block_head_tail): Adjust all uses.
16108 (ISSUE_POINTS): New macro.
16109 (glat_start, glat_end): New global variables.
16110 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
16111 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
16112 old_last_basic_block, before_recovery, current_sched_info_var,
16113 rgn_n_insns, luid): New static variables.
16114 (insn_cost1): New function. Move logic from insn_cost to here.
16115 (find_insn_reg_weight1): New function. Move logic from
16116 find_insn_reg_weight to here.
16117 (reemit_notes, move_insn, max_issue): Change signature.
16118 (move_insn1): Removed.
16119 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
16120 extend_bb): New static functions to support extension of scheduler's
16122 (generate_recovery_code, process_insn_depend_be_in_spec,
16123 begin_speculative_block, add_to_speculative_block,
16124 init_before_recovery, create_recovery_block, create_check_block_twin,
16125 fix_recovery_deps): New static functions to support
16126 generation of recovery code.
16127 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
16128 restore_bb_notes, move_block_after_check, move_succs): New static
16129 functions to support ebb scheduling.
16130 (init_glat, init_glat1, attach_life_info1, free_glat): New static
16131 functions to support handling of register live information.
16132 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
16133 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
16134 add_jump_dependencies): New static functions.
16135 (check_cfg, has_edge_p, check_sched_flags): New static functions for
16136 consistancy checking.
16137 (debug_spec_status): New function to call from debugger.
16138 (priority): Added code to handle speculation checks.
16139 (rank_for_schedule): Added code to distinguish speculative instructions.
16140 (schedule_insn): Added code to handle speculation checks.
16141 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
16142 Fixed to handle ebbs.
16143 (move_insn): Added code to handle ebb scheduling.
16144 (max_issue): Added code to use ISSUE_POINTS of instructions.
16145 (choose_ready): Added code to choose between speculative and
16146 non-speculative instructions.
16147 (schedule_block): Added code to handle ebb scheduling and scheduling of
16148 speculative instructions.
16149 (sched_init): Initialize new variables.
16150 (sched_finish): Free new variables. Print statistics.
16151 (try_ready): Added code to handle speculative instructions.
16152 * lists.c (copy_DEPS_LIST_list): New function.
16153 * sched-deps.c (extend_dependency_caches): New function. Move logic
16154 from create_dependency_caches to here.
16155 (get_dep_weak, ds_merge): Make global.
16156 * genattr.c (main): Code to output prototype for
16157 dfa_clear_single_insn_cache.
16158 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
16159 (output_dfa_clean_insn_cache_func): Code to output
16160 dfa_clear_single_insn_cache function.
16161 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
16163 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
16165 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
16166 New static variables.
16167 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
16168 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
16170 (ebb_sched_info): Initialize new fields.
16171 (get_block_head_tail): Adjust all uses.
16172 (compute_jump_reg_dependencies): Fixed to use glat_start.
16173 (schedule_ebb): Code to remove unreachable last block.
16174 (schedule_ebbs): Added code to update register live information.
16175 * sched-rgn.c (region_sched_info): Initialize new fields.
16176 (get_block_head_tail): Adjust all uses.
16177 (last_was_jump): Removed. Adjust users.
16178 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
16179 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
16180 Implement new hooks.
16181 (check_dead_notes1): New static function.
16182 (struct region): New fields: dont_calc_deps, has_real_ebb.
16183 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
16184 (BB_TO_BLOCK): Fixed to handle EBBs.
16185 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
16186 (ebb_head): New static variable.
16187 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
16188 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
16190 (compute_dom_prob_ps): New assertion.
16191 (check_live_1, update_live_1): Fixed to work with glat_start instead of
16192 global_live_at_start.
16193 (init_ready_list): New assertions.
16194 (can_schedule_ready_p): Split update code to begin_schedule_ready.
16195 (new_ready): Add support for BEGIN_CONTROL speculation.
16196 (schedule_insns): Fixed code that updates register live information
16198 (schedule_region): Fixed to handle EBBs.
16199 (init_regions): Use extend_regions and check_dead_notes1.
16200 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
16201 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
16202 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
16203 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16204 TARGET_SCHED_GEN_CHECK,
16205 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16206 TARGET_SCHED_SET_SCHED_FLAGS): Document.
16207 * doc/invoke.texi (max-sched-insn-conflict-delay,
16208 sched-spec-prob-cutoff): Document.
16210 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16212 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
16213 inter_tick, queue_index.
16214 (struct sched_info): Change signature of init_ready_list field.
16215 Adjust all initializations.
16216 (RESOLVED_DEPS): New access macro.
16217 (ready_add): Remove prototype.
16218 (try_ready): Add prototype.
16219 * sched-rgn.c (init_ready_list): Use try_ready.
16220 (schedule_region): Initialize
16221 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
16222 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
16223 (init_ready_list): Use try_ready.
16224 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
16225 * lists.c (remove_list_elem): Remove `static'.
16226 (remove_free_INSN_LIST_elem): New function.
16227 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
16228 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
16229 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
16231 (readyp): New variable.
16232 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
16233 change_queue_index, resolve_dep): New static functions.
16234 (try_ready): New function. Adjust callers in sched-rgn.c and
16235 sched-ebb.c to use it instead of ready_add.
16236 (clock_var): Move at the begining of file.
16237 (rank_for_schedule): Fix typo.
16238 (queue_insn): Add assertion. Handle QUEUE_INDEX.
16239 (ready_lastpos): Enforce assertion.
16240 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
16241 update all callers.
16242 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
16243 (schedule_insn): Rewrite to use try_ready and resolve_dep.
16244 (queue_to_ready): Use free_INSN_LIST_list.
16245 (early_queue_to_ready): Fix typo.
16246 (schedule_block): Init readyp. Move init_ready_list call after the
16247 initialization of clock_var. Fix error in rejecting insn by
16248 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
16249 that previously corrected INSN_TICKs. Add code for handling
16251 (set_priorities): Fix typo.
16252 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
16253 Clarify comment and code that keeps current_sched_info->next_tail
16256 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16258 * sched-rgn.c (extend_rgns): New static function.
16259 (find_rgns): Use it.
16260 (gather_region_statistics, print_region_statistics): New static
16262 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
16263 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
16265 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16266 Andrey Belevantsev <abel@ispras.ru>
16268 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
16269 * lists.c (unused_deps_list): New variable.
16270 (free_list): Add assertions to verify the proper distinguishing
16271 between INSN_LISTs and DEPS_LISTs.
16272 (find_list_elem, remove_list_elem, remove_list_node): New static
16274 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
16275 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
16276 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
16277 (alloc_INSN_LIST): Assert that the list we're working on is indeed
16279 (free_INSN_LIST_node): Likewise.
16280 * modulo-sched.c (current_sched_info): Initialize flags field.
16281 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
16282 * rtl.def (DEPS_LIST): Define.
16283 * rtl.h: Declare new functions from lists.c.
16284 * sched-deps.c (spec_dependency_cache): New static variable.
16285 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
16286 (add_dependence): Change return type to void. Move the logic to ...
16287 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
16288 (delete_all_dependences): Add comment about forward_dependency_cache.
16289 Handle spec_dependency_cache. Handle DEPS_LISTs.
16290 (fixup_sched_groups): Clarify the change of priority of output
16291 and anti dependencies.
16292 (sched_analyze_2): Adjust add_dependence calls to create data
16293 speculative dependence.
16294 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
16295 Adjust all callers. Handle DEPS_LISTS.
16296 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
16297 presence of speculation.
16298 (init_dependency_caches, free_dependency_caches):
16299 Handle spec_dependency_cache.
16300 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
16301 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
16302 New static functions.
16303 (add_or_update_back_dep, add_or_update_back_forw_dep,
16304 add_back_forw_dep, delete_back_forw_dep): New functions.
16305 * sched-int.h (ds_t, dw_t): New typedefs.
16306 (struct sched_info): Add new field flags.
16307 (struct haifa_insn_data): Add new bitfield has_internal_dep.
16308 Prototype new sched-deps.c functions.
16309 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
16310 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
16311 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
16312 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
16313 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
16314 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
16316 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
16318 * sched-rgn.c (current_sched_info): Initialize flags field.
16319 (schedule_insns): Initialize current_sched_info before the sched_init
16321 * sched-ebb.c (current_sched_info): Initialize flags field.
16322 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
16323 Call add_or_update_back_dep instead of add_dependence.
16324 Create control speculative dependencies.
16325 (schedule_insns): Initialize current_sched_info before the sched_init
16328 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
16330 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
16332 (sh_fallback_frame_state): Likewise.
16334 2006-03-15 Geoffrey Keating <geoffk@apple.com>
16336 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
16337 Do switch on default_use_cxa_atexit.
16338 (powerpc*-*-darwin*): Build crt2.o on powerpc.
16339 * config/darwin-crt3.o: New.
16340 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
16341 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
16342 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
16344 * config/rs6000/t-darwin: Move crt2.o building to here.
16345 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
16346 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
16349 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16351 * config/vax/vax.c (nonindexed_address_p): Change logical negation
16352 from '! xxx' to '!xxx' for coding-style conformance.
16353 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
16354 (EXTRA_CONSTRAINT): Likewise.
16355 * config/vax/vax.md (four unnamed insns): Likewise.
16357 2006-03-15 Paul Brook <paul@codesourcery.com>
16359 * config/arm/arm.c (minipool_pad): New.
16360 (add_minipool_forward_ref): Include pool alignment padding in address
16362 (push_minipool_fix): Set minipool_pad.
16363 (minipool_pad): Ditto.
16365 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16367 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
16368 instead of GET_CODE() == MEM and REG_P() instead of
16370 (print_operand_address): Likewise.
16371 (vax_address_cost): Likewise.
16372 (vax_rtx_costs): Likewise.
16373 (vax_notice_update_cc): Likewise.
16374 (vax_output_int_add): Likewise.
16375 (INDEX_REGISTER_P): Likewise.
16376 (BASE_REGISTER_P): Likewise.
16377 (nonindexed_address_p): Likewise.
16378 (vax_mode_dependent_address_p): Likewise.
16379 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
16380 (PRINT_OPERAND): Likewise.
16381 * config/vax/vax.md (ashlsi3): Likewise.
16382 (ashlsi3): Likewise.
16383 (some more unnamed insns): Likewise.
16385 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
16387 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
16388 iterator-style macro.
16389 (mark_control_dependent_edges_necessary): Update the use of
16390 EXECUTE_IF_CONTROL_DEPENDENT.
16392 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
16394 * config/sh/predicates.md (cache_address_operand): Special.
16395 (ua_address_operand): Likewise.
16397 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
16399 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
16401 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
16403 2006-03-15 Andreas Schwab <schwab@suse.de>
16405 * gensupport.c (identify_predicable_attribute): Don't free p_false
16406 when it is still in use.
16408 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
16410 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
16411 the default setting here.
16413 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
16415 * tree-pass.h (pass_cfg): Remove.
16416 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
16417 * passes.c (pass_cfg): Don't run it.
16419 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
16421 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
16422 * reg-stack.c (stack_regs_mentioned_data): Change the type to
16424 (stack_regs_mentioned): Update the uses of
16425 stack_regs_mentioned_data. Don't access the array beyond its
16427 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
16428 Don't include gt-reg-stack.h.
16430 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
16431 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
16433 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
16435 PR middle-end/26684
16436 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
16439 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16441 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
16443 2006-03-14 Richard Guenther <rguenther@suse.de>
16445 PR tree-optimization/26672
16446 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
16449 2006-03-14 Richard Guenther <rguenther@suse.de>
16451 PR tree-optimization/26667
16452 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
16453 node for the callees. Always allow inlining if it will shrink
16456 2006-03-14 Richard Guenther <rguenther@suse.de>
16458 PR middle-end/26659
16459 * builtins.c (get_pointer_alignment): Prefer alignment
16460 information from decls over that from types.
16462 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
16465 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
16467 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
16469 * config/rs6000/rs6000.opt (mdlmzb): New option.
16470 (msched-prolog, msched-epilog): Use Var not Mask.
16471 * doc/invoke.texi (-mdlmzb): Document.
16472 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16474 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
16475 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
16477 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
16479 PR rtl-optimization/25739
16480 * bt-load.c (augment_live_range): Free tos pointer.
16482 * gensupport.c (identify_predicable_attribute): Free
16484 * gcov.c (create_file_names): Free name pointer.
16486 2006-03-13 Roger Sayle <roger@eyesopen.com>
16488 PR middle-end/26557
16489 * stmt.c (emit_case_nodes): Handle the case where the index is a
16490 CONST_INT, where the comparison mode is specified by the index type.
16492 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16494 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
16497 2006-03-13 Richard Sandiford <richard@codesourcery.com>
16499 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
16500 (*branch_fp_inverted): Likewise.
16502 2006-03-13 Jakub Jelinek <jakub@redhat.com>
16504 PR middle-end/25989
16505 * omp-low.c (expand_omp_for_generic): Mark istart0
16506 and iend0 as addressable.
16508 2006-03-13 Jie Zhang <jie.zhang@analog.com>
16510 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16512 2006-03-13 Jeff Law <law@redhat.com>
16514 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16515 virtual operands are interesting.
16516 (vrp_visit_stmt): Corresponding changes.
16518 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
16520 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16522 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16523 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16524 * config/bfin/crti.S: Use it instead of __PIC__.
16525 * config/bfin/crtn.S: Likewise.
16527 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16528 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16530 Lose 'G' modifier for call operand.
16531 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
16532 recognize 'G' modifier.
16534 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
16536 PR middle-end/18859
16537 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
16538 * stmt.c (expand_case): Likewise.
16540 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16542 PR rtl-optimization/26254
16543 * loop-invariant.c (seq_insns_valid_p): New function.
16544 (move_invariant_reg): Only emit new code if it is valid.
16546 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16548 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16550 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16551 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16552 (commit_one_edge_insertion): Do not look for loop notes.
16554 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16556 * jump.c (follow_jumps): Do not check for loop notes. Move check for
16557 flag_test_coverage out of loop.
16559 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16561 * final.c (shorten_branches): Remove outdated comment, and turn
16562 the if branch that guards it to continue.
16564 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16566 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16567 * cfgloop.h (struct loop): Remove unused fields.
16569 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
16571 * doc/invoke.texi (-fdump-rtl-loop): Remove.
16572 (-dL, -fdump-rtl-loop2): Update the dump file names
16574 * doc/invoke.texi: Update dump file names.
16576 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
16578 * predict.c (estimate_probability): Remove.
16579 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16580 * basic-block.h (estimate_probability): Remove prototype.
16581 * passes.c (finish_optimization_passes): Dump branch prediction or
16582 profiling heuristics to the .profile tree dump.
16583 (init_optimization_passes): Unqueue pass_branch_prob.
16585 * doc/invoke.texi (-fdump-rtl-bp): Remove.
16587 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16589 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16590 * rtl.h (LABEL_NEXTREF): Remove field accessor.
16592 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
16594 * function.h (frame_offset_overflow): Declare.
16595 * function.c (frame_offset_overflow): New function.
16596 (assign_stack_local_1): Call it to detect that the offset overflows.
16597 * cfgexpand.c (alloc_stack_frame_space): Likewise.
16599 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16601 * config/sh/sh.c: Include alloc-pool.h.
16602 (label_ref_list_pool): New alloc pool.
16603 (label_ref_list_t): New type for lists of labels.
16604 (struct pool_node): Make wend a label_ref_list_t.
16605 (add_constant): Use the new type, eradicate LABEL_NEXTREF
16607 (dump_table): Likewise.
16608 (sh_reorg): Set up the alloc pool before using add_constant and
16609 dump_table, and destroy it when finishing.
16611 2006-03-11 Richard Sandiford <richard@codesourcery.com>
16613 * config/mips/mips.c: Remove redundant comment.
16615 2006-03-10 Jason Merrill <jason@redhat.com>
16618 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16619 the target was declared 'register'.
16621 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
16623 * genpreds.c (write_insn_constraint_len): Change definition of
16624 insn_constraint_len to return size_t to match the declaration.
16626 2006-03-10 DJ Delorie <dj@redhat.com>
16628 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16630 (m32c_expand_insv): Fix test for an AND mask.
16632 2006-03-10 Richard Guenther <rguenther@suse.de>
16634 PR middle-end/26565
16635 * builtins.c (get_pointer_alignment): Handle component
16636 references for field alignment.
16638 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16640 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16641 when building with libgloss.
16642 (sh*elf): Implement --without-fp option.
16643 (sh64-superh-linux*): Don't multilib.
16645 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16647 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16649 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16651 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16652 Set it when one of the replacement functions returned true.
16653 Return TODO_cleanup_cfg if cfgchanged is true.
16654 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16656 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16658 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16659 instead of gen_lowpart.
16661 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16663 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16665 (mips_output_order_conditional_branch): Declare.
16666 * config/mips/mips.h (MIPS_BRANCH): New macro.
16667 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16668 for the comparison. Use gen_condjump.
16669 (mips_output_conditional_branch): Rework interface to take the
16670 asm templates for a direct branch and the inverse of a direct branch.
16671 (mips_output_order_conditional_branch): New function.
16672 (mips_builtin_branch_and_move): New function.
16673 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16674 branch condition. Use gen_single_cc as the condition for
16675 __builtin_mips_upper_* or __builtin_mips_lower_*.
16676 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16677 Use VOIDmode for the branch condition.
16678 * config/mips/predicates.md (order_operator): New predicate.
16679 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16680 (branch_fp): Rename to...
16681 (*branch_fp): ...this. Remove mode from comparison operator.
16682 Use new mips_output_conditional_branch interface.
16683 (branch_fp_inverted): Rename to...
16684 (*branch_fp_inverted): ...this and update as for *branch_fp.
16685 (*branch_zero<mode>): Rename to...
16686 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16687 Use mips_output_order_conditional_branch. Only accept ordered
16689 (*branch_zero<mode>_inverted): Rename to...
16690 (*branch_order<mode>_inverted): ...this and update as for
16691 *branch_order<mode>.
16692 (*branch_equality<mode>): Accept zero as the second operand to
16693 the equality operator. Use the new mips_output_conditional_branch
16695 (*branch_equality<mode>_inverted): Likewise.
16696 (condjump): New expander.
16697 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16699 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16700 (bc1any2t, bc1any2f): Likewise.
16701 (single_cc): New expander.
16702 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16704 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16706 * doc/md.texi: Update documentation of MIPS constraints.
16707 * config/mips/constraints.md: New file.
16708 * config/mips/mips.md: Include it.
16709 * config/mips/mips.c (mips_char_to_class): Delete.
16710 (override_options): Don't initialize mips_char_to_class.
16711 * config/mips/mips.h (mips_char_to_class): Delete.
16712 (REG_CLASS_FROM_LETTER): Delete.
16713 (CONST_OK_FOR_LETTER_P): Delete.
16714 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16715 (EXTRA_CONSTRAINT_Y): Delete.
16716 (EXTRA_CONSTRAINT_STR): Delete.
16717 (CONSTRAINT_LEN): Delete.
16718 (EXTRA_MEMORY_CONSTRAINT): Delete.
16720 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16722 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16723 original fn's eh regions.
16725 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16727 * fold-const.c (build_range_check): Make sure to use a valid type to
16728 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16731 (range_predecessor): New static function.
16732 (range_successor): Likewise.
16733 (merge_ranges): Use them to compute predecessors and successors of
16736 2006-03-09 Roger Sayle <roger@eyesopen.com>
16738 PR middle-end/26561
16739 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16740 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16742 2006-03-08 DJ Delorie <dj@redhat.com>
16744 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16745 (addpsi3): Expand to include memory operands. Remove
16746 reload-specific splits.
16747 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16748 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16749 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16750 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16751 (shift1_qi, shift1_hi, insv): New.
16752 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16753 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16754 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16756 * config/m32c/m32c-protos.h: Update as needed.
16757 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16758 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16759 Fail for unrecognized R* constraints.
16760 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16761 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16762 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16764 (m32c_init_libfuncs): New.
16765 (m32c_legitimate_address_p): Add debug wrapper.
16766 (m32c_rtx_costs): New.
16767 (m32c_address_cost): New.
16768 (conversions): Add 'B' prefix.
16769 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16770 operands, or word regnames for QI operands. 'B' prints bit
16772 (m32c_expand_setmemhi): New.
16773 (m32c_expand_movmemhi): New.
16774 (m32c_expand_movstr): New.
16775 (m32c_expand_cmpstr): New.
16776 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16777 (m32c_expand_neg_mulpsi3): Handle non-ints.
16778 (m32c_cmp_flg_0): New.
16779 (m32c_expand_movcc): New.
16780 (m32c_expand_insv): New.
16781 (m32c_scc_pattern): New.
16782 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16783 a0/a1 out of SIregs.
16784 (STORE_FLAG_VALUE): New.
16785 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
16788 * config/m32c/mov.md: Make constraints more liberal.
16789 (zero_extendqihi2): Optimize r0/r1 case.
16790 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16791 * config/m32c/predicates.md (m32c_any_operand): New.
16792 (m32c_nonimmediate_operand): New.
16793 (m32c_hl_operand): New.
16794 (m32c_r3_operand): New.
16797 (memsym_operand): New.
16798 (memimmed_operand): New.
16799 (a_qi_operand): New.
16800 (m32c_eqne_operator): New.
16801 (m32c_1bit8_operand): New.
16802 (m32c_1bit16_operand): New.
16803 (m32c_1mask8_operand): New.
16804 (m32c_1mask16_operand): New.
16805 * config/m32c/blkmov.md: New file.
16806 * config/m32c/t-m32c (MD_FILES): Add blkmov.
16808 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
16810 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16811 unsigned to fix signed/unsigned comparison issue in
16812 DWARF2_FRAME_REG_OUT.
16813 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16814 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16816 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16817 of ptr into the ENABLE_CHECKING section.
16819 2006-03-08 Jeff Law <law@redhat.com>
16821 * tree-vrp.c (infer_value_range): Only count pointer uses
16822 and dereferences if -fdelete-null-pointer-checks is enabled.
16824 * tree-vrp.c (find_assert_locations): Infer value ranges for
16825 single use pointers, but do not create ASSERT_EXPRs for them.
16826 When a non-null range is inferred for a pointer, backwards
16827 propagate that range to other equivalent pointers through the
16830 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
16833 * Makefile.in (dvi, html, install-info): Invoke the corresponding
16834 language hook targets.
16835 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16836 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16837 if language hook targets were missing.
16839 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
16841 * tree-ssa-opfinalize.h: Removed.
16842 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16844 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16845 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16846 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16847 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16848 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16849 finalize_ssa_v_must_def_ops): New.
16851 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16853 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16854 block as parameter.
16856 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16858 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16860 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16861 addresses with offsets; reorganize.
16863 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16864 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16865 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16867 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16870 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16872 2006-03-08 Ben Elliston <bje@au.ibm.com>
16874 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16876 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16879 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16882 2006-03-07 Richard Guenther <rguenther@suse.de>
16884 PR tree-optimization/26587
16885 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16887 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16889 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16891 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16893 * hooks.c (hook_bool_mode_rtx_true): New function.
16894 * hooks.h (hook_bool_mode_rtx_true): Declare.
16895 * toplev.c (compile_file): Call output_shared_constant_pool.
16896 * varasm.c (shared_constant_pool): New variable.
16897 (assemble_start_function, assemble_end_function): Remove arguments
16898 from call to output_constant_pool.
16899 (create_constant_pool): New function, split out from...
16900 (init_varasm_status): ...here.
16901 (force_const_mem): Choose between the shared and per-function constant
16902 pools. Set current_function_uses_const_pool when reusing old entries
16903 as well as when creating new ones.
16904 (mark_constant): Ignore data argument.
16905 (mark_constants): Remove pool argument.
16906 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16907 to decide whether the function uses a constant pool.
16908 (output_constant_pool_contents): New function, split out from...
16909 (output_constant_pool): ...here.
16910 (output_shared_constant_pool): New function.
16911 (init_varasm_once): Initialize shared_constant_pool.
16912 * output.h (output_constant_pool): Delete.
16913 (output_shared_constant_pool): Declare.
16914 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16915 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16917 2006-03-06 Nick Clifton <nickc@redhat.com>
16919 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16920 flag_strength_reduce.
16922 2006-03-06 Ben Elliston <bje@au.ibm.com>
16924 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16925 x86_64-*-linux* configurations.
16927 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16928 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16930 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16932 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16934 * basic-block.h: Remove the extern for
16935 rediscover_loops_after_threading.
16937 * cfgloop.c (cancel_loop): Make it static.
16938 * cfgloop.h: Remove the prototype for cancel_loop.
16940 * flow.c (recompute_reg_usage): Make it static.
16941 * rtl.h: Remove the prototype for recompute_reg_usage.
16943 * function.c (use_return_register): Make it static.
16944 * function.h: Remove the prototype.
16946 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16948 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16950 * recog.h: Remove the prototype for
16951 validate_change_maybe_volatile.
16953 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16955 * rtlanal.c (replace_reg): Remove.
16956 * rtl.h: Remove the prototype for replace_reg.
16958 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16960 * regclass.c (reg_scan_update): Remove.
16961 (reg_scan_mark_refs): Remove the last argument.
16962 * rtl.h: Remove the prototype for reg_scan_update.
16964 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16966 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16967 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16968 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16969 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16970 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16971 loop-invariant.c, omp-low.c, opts.c, passes.c,
16972 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16973 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16974 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16975 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16976 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16977 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16979 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16981 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16982 * dwarf2out.h: Remove the prototype for
16983 dwarf2out_add_library_unit_info.
16985 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16987 * tree.c (add_var_to_bind_expr): Remove.
16988 * tree.h: Remove the prototype for add_var_to_bind_expr.
16990 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16992 * regclass.c (n_non_fixed_regs): Remove.
16993 (init_reg_sets_1, globalize_reg): Remove all uses of
16995 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16997 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16999 * rtlanal.c (insns_safe_to_move_p): Remove.
17000 * rtl.h: Remove the prototype for insns_safe_to_move_p.
17002 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
17004 * expmed.c (expand_mult_add): Remove.
17005 * expr.h: Remove the prototype for expand_mult_add.
17007 2006-03-04 Jakub Jelinek <jakub@redhat.com>
17009 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
17010 and REG_SAVED_VAL_EXP constants.
17011 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
17012 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
17013 Handle regs stored by value.
17014 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
17015 (execute_cfa_program): Handle DW_CFA_val_offset,
17016 DW_CFA_val_offset_sf and DW_CFA_val_expression.
17017 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
17018 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
17019 (uw_install_context_1): Handle target regs stored by value.
17021 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
17023 * tree-sra.c (tree_sra): Return todoflags;
17024 (generate_one_element): Set TODO_update_smt_usage if needed.
17025 (pass_sra): Remove TODO_update_smt_usage.
17026 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
17028 (tree_ssa_forward_propagate_single_use_vars): Return
17029 TODO_update_smt_usage if we need to update SMT usage.
17030 (pass_forwprop): Remove TODO_update_smt_usage.
17032 2006-03-03 Diego Novillo <dnovillo@redhat.com>
17034 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
17035 (correct_use_link): Remove reference to get_stmt_operands.
17036 (update_stmt_operands): Likewise.
17037 (get_modify_expr_operands): New function factored out of
17038 parse_ssa_operands and get_expr_operands.
17039 Try to create V_MUST_DEFs for LHS by default.
17040 (get_expr_operands) <case MODIFY_EXPR>: Call
17041 get_modify_expr_operands.
17042 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
17043 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
17044 (parse_ssa_operands) <case MODIFY_EXPR>: Call
17045 get_modify_expr_operands.
17047 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
17049 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
17050 * tree-flow.h: Remove the prototype for
17051 referenced_var_lookup_if_exists.
17053 2006-03-03 Steve Ellcey <sje@cup.hp.com>
17055 PR rtl-optimization/26345
17057 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
17059 2006-03-03 Roger Sayle <roger@eyesopen.com>
17061 PR tree-optimization/26524
17062 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
17063 fold_convert to create a constant of the appropriate type.
17065 2006-03-03 Richard Sandiford <richard@codesourcery.com>
17067 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17068 SYMBOL_REF_IN_BLOCK_P.
17069 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
17070 of SYMBOL_FLAG_IN_BLOCK.
17071 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
17072 instead of SYMBOL_REF_IN_BLOCK_P.
17073 * explow.c (use_anchored_address): Likewise.
17074 * rtl.c (rtx_size): Likewise.
17075 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
17076 instead of SYMBOL_FLAG_IN_BLOCK.
17077 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17078 SYMBOL_REF_IN_BLOCK_P.
17079 (assemble_variable): Likewise.
17080 (output_constant_def_contents): Likewise.
17081 (output_constant_pool): Likewise.
17082 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
17083 instead of SYMBOL_FLAG_IN_BLOCK.
17084 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17085 SYMBOL_REF_IN_BLOCK_P.
17086 (SYMBOL_REF_BLOCK): Likewise.
17087 (SYMBOL_REF_OFFSET): Likewise.
17088 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
17089 SYMBOL_REF_IN_BLOCK_P.
17090 (SYMBOL_FLAG_IN_BLOCK): Replace with...
17091 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
17092 (SYMBOL_REF_IN_BLOCK_P): Replace with...
17093 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
17095 2006-03-03 Jakub Jelinek <jakub@redhat.com>
17097 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
17099 2006-03-02 Roger Sayle <roger@eyesopen.com>
17101 * simplify-rtx.c (simplify_unary_operation): When simplifying
17102 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
17103 that we perform the right shift in the appropriate mode, and
17104 then extend or truncate the result to requested mode.
17106 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
17108 * gengtype.c (main): Handle double_int type.
17109 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
17110 * double-int.c: New file.
17111 * double-int.h: New file.
17112 * system.h: Include doubleint.h.
17113 * Makefile.in (SYSTEM_H): Include double-int.h.
17114 (double-int.o): Add.
17116 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
17119 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
17122 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17124 * tree-vrp.c (remove_range_assertions): Do not update statements
17127 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17129 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
17131 * gcse.c (rest_of_handle_gcse): Ditto.
17132 * except.c (gate_handle_eh): Ditto.
17133 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
17134 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
17136 2006-03-02 Eric Christopher <echristo@apple.com>
17138 * config/i386/i386.c (machopic_output_stub): Add indirection to
17141 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17145 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
17147 Sun Niagara specific optimizations.
17148 * config.gcc: Recognize niagara as target.
17149 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
17150 (TARGET_CPU_niagara): Define.
17151 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
17152 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
17153 (CPP_CPU_SPEC): Handle -mcpu=niagara.
17154 (ASM_CPU_SPEC): Likewise.
17155 (PROCESSOR_NIAGARA): New enum entry.
17156 (REGISTER_MOVE_COST): Handle Niagara.
17157 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
17158 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
17159 (sparc_override_options): Recognize "niagara", set appropriate
17160 default MASK_* values for it, and align functions to 32-bytes
17161 by default just like ULTRASPARC/ULTRASPARC3.
17162 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
17163 (sparc64_initialize_trampoline): Likewise.
17164 (sparc_use_sched_lookahead): Use zero for niagara.
17165 (sparc_issue_rate): Use one for niagara.
17166 * config/sparc/niagara.md: New file.
17167 * config/sparc/sparc.md: Include it.
17168 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
17169 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
17170 when default cpu is niagara.
17171 (CPP_CPU_SPEC): Handle -mcpu=niagara.
17172 (ASM_CPU_SPEC): Likewise.
17173 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
17174 when default cpu is niagara.
17175 (ASM_CPU_SPEC): Handle -mcpu=niagara.
17176 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
17177 just like v9/ultrasparc/ultrasparc3.
17178 * doc/invoke.texi: Add documentation for "niagara" and improve
17179 existing documentation for ultrasparc variants.
17181 2006-03-02 Diego Novillo <dnovillo@redhat.com>
17183 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
17185 2006-03-02 Richard Sandiford <richard@codesourcery.com>
17187 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
17188 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
17189 and say that only one is needed.
17190 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
17191 * target.h (have_switchable_bss_sections): New hook.
17192 * explow.c (use_anchored_address): Check that the symbol is in a block.
17193 * varasm.c (tls_comm_section, comm_section, lcomm_section)
17194 (bss_noswitch_section): New variables.
17195 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
17196 (get_noswitch_section): New function.
17197 (get_block_for_section): Allow SECT to be null.
17198 (unlikely_text_section_p): Use SECTION_STYLE.
17199 (bss_initializer_p): New function.
17200 (get_variable_section): Move earlier in file. Take a new argument,
17201 prefer_noswitch_p. Move bss checks from assemble_variable to here.
17202 Return one of the new *_sections in such cases.
17203 (get_block_for_decl): New function, extracting some logic from
17204 use_blocks_for_decl_p.
17205 (change_symbol_section): Remove in favor of...
17206 (change_symbol_block): ...this new function.
17207 (use_blocks_for_decl_p): Remove checks now performed by
17208 get_block_for_decl.
17209 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
17210 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
17211 (emit_local, emit_bss, emit_common): ...these new functions.
17212 Return true if the alignment was honored.
17213 (emit_tls_common): New function.
17214 (asm_emit_uninitialised): Delete.
17215 (assemble_variable_noswitch): New function, split out from...
17216 (assemble_variable): ...here. Don't make decisions about common
17217 variables here. Globalize all public decls that go into non-common
17218 sections. Check whether SYMBOL_REF_BLOCK is null.
17219 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
17220 (output_constant_pool): Likewise.
17221 (init_varasm_once): Initialize the new section variables.
17222 (have_global_bss_p): New function.
17223 (categorize_decl_for_section): Use bss_initializer_p.
17224 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
17225 (place_block_symbol): Assert that the symbol must be in a block.
17226 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
17227 (TARGET_INITIALIZER): Include it.
17228 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
17229 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
17230 (SECTION_MACH_DEP): Bump by two.
17231 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
17232 (unnamed_section): Mention SECTION_UNNAMED in comment.
17233 (named_section): Likewise SECTION_NAMED.
17234 (noswitch_section_callback): New type.
17235 (noswitch_section): New structure.
17236 (section): Add a noswitch_section alternative.
17237 (SECTION_STYLE): New macro.
17238 (tls_comm_section, comm_section, lcomm_section): Declare.
17239 (bss_noswitch_section, have_global_bss_p): Declare.
17240 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17241 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17243 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17244 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17247 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
17249 * tree-vrp.c (execute_vrp): Return value.
17250 * regrename.c (rest_of_handle_regrename): Ditto.
17251 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
17252 * tree-complex.c (tree_lower_complex): Ditto.
17253 (tree_lower_complex_O0): Ditto.
17254 * tracer.c (rest_of_handle_tracer): Ditto.
17255 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
17256 * postreload.c (rest_of_handle_postreload): Ditto.
17257 * tree-tailcall.c (execute_tail_recursion): Ditto.
17258 (execute_tail_calls): Ditto.
17259 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17260 * tree.h (init_function_for_compilation): Ditto.
17261 * ipa-cp.c (ipcp_driver): Ditto.
17262 * tree-scalar-evolution.c (scev_const_prop): Ditto.
17263 * tree-scalar-evolution.h (scev_const_prop): Ditto.
17264 * final.c (compute_alignments): Ditto.
17265 (rest_of_handle_final): Ditto.
17266 (rest_of_handle_shorten_branches): Ditto.
17267 (rest_of_clean_state): Ditto.
17268 * omp-low.c (execute_expand_omp): Ditto.
17269 (execute_lower_omp): Ditto.
17270 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
17271 * ipa-reference.c (static_execute): Ditto.
17272 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
17273 * reorg.c (rest_of_handle_delay_slots): Ditto.
17274 (rest_of_handle_machine_reorg): Ditto.
17275 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
17276 * flow.c (recompute_reg_usage): Ditto.
17277 (rest_of_handle_remove_death_notes): Ditto.
17278 (rest_of_handle_life): Ditto.
17279 (rest_of_handle_flow2): Ditto.
17280 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
17281 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
17282 (do_ssa_store_ccp): Ditto.
17283 (execute_fold_all_builtins): Ditto.
17284 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
17285 * modulo-sched.c (rest_of_handle_sms): Ditto.
17286 * ipa-pure-const.c (static_execute): Ditto.
17287 * cse.c (rest_of_handle_cse): Ditto.
17288 (rest_of_handle_cse2): Ditto.
17289 * web.c (rest_of_handle_web): Ditto.
17290 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
17291 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
17292 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
17293 * tree-nrv.c (tree_nrv): Ditto.
17294 (execute_return_slot_opt): Ditto.
17295 * tree-ssa-alias.c (compute_may_aliases): Ditto.
17296 (create_structure_vars): Ditto.
17297 * loop-init.c (rtl_loop_init): Ditto.
17298 (rtl_loop_done): Ditto.
17299 (rtl_move_loop_invariants): Ditto.
17300 (rtl_unswitch): Ditto.
17301 (rtl_unroll_and_peel_loops): Ditto.
17302 (rtl_doloop): Ditto.
17303 * gimple-low.c (lower_function_body): Ditto.
17304 (mark_used_blocks): Ditto.
17305 * tree-ssa-sink.c (execute_sink_code): Ditto.
17306 * ipa-inline.c (cgraph_decide_inlining): Ditto.
17307 (cgraph_early_inlining): Ditto.
17308 * global.c (rest_of_handle_global_alloc): Ditto.
17309 * jump.c (cleanup_barriers): Ditto.
17310 (purge_line_number_notes): Ditto.
17311 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
17312 (rest_of_handle_if_after_reload): Ditto.
17313 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
17314 (tree_ssa_loop_im): Ditto.
17315 (tree_ssa_loop_unswitch): Ditto.
17316 (tree_vectorize): Ditto.
17317 (tree_linear_transform): Ditto.
17318 (tree_ssa_loop_ivcanon): Ditto.
17319 (tree_ssa_empty_loop): Ditto.
17320 (tree_ssa_loop_bounds): Ditto.
17321 (tree_complete_unroll): Ditto.
17322 (tree_ssa_loop_prefetch): Ditto.
17323 (tree_ssa_loop_ivopts): Ditto.
17324 (tree_ssa_loop_done): Ditto.
17325 * predict.c (tree_estimate_probability): Ditto.
17326 * recog.c (split_all_insns_noflow): Ditto.
17327 (rest_of_handle_peephole2): Ditto.
17328 (rest_of_handle_split_all_insns): Ditto.
17329 * tree-eh.c (lower_eh_constructs): Ditto.
17330 * regmove.c (rest_of_handle_regmove): Ditto.
17331 (rest_of_handle_stack_adjustments): Ditto.
17332 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
17333 * function.c (instantiate_virtual_regs): Ditto.
17334 (init_function_for_compilation): Ditto.
17335 (rest_of_handle_check_leaf_regs): Ditto.
17336 * gcse.c (rest_of_handle_jump_bypass): Ditto.
17337 (rest_of_handle_gcse): Ditto.
17338 * ipa-type-escape.c (type_escape_execute): Ditto.
17339 * alias.c (rest_of_handle_cfg): Ditto.
17340 * tree-if-conv.c (main_tree_if_conversion): Ditto.
17341 * profile.c (rest_of_handle_branch_prob): Ditto.
17342 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
17343 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
17344 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
17345 * tree-dfa.c (find_referenced_vars): Ditto.
17346 * except.c (set_nothrow_function_flags): Ditto.
17347 (convert_to_eh_region_ranges): Ditto.
17348 (rest_of_handle_eh): Ditto.
17349 * emit-rtl.c (unshare_all_rtl): Ditto.
17350 (remove_unnecessary_notes): Ditto.
17351 * except.h (set_nothrow_function_flags): Ditto.
17352 (convert_to_eh_region_ranges): Ditto.
17353 * cfgexpand.c (tree_expand_cfg): Ditto.
17354 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
17355 * tree-ssa-pre.c (do_pre): Ditto.
17356 (execute_fre): Ditto.
17357 * cfgcleanup.c (rest_of_handle_jump): Ditto.
17358 (rest_of_handle_jump2): Ditto.
17359 * tree-sra.c (tree_sra): Ditto.
17360 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
17361 (execute_mudflap_function_decls): Ditto.
17362 * tree-ssa-copy.c (do_copy_prop): Ditto.
17363 (do_store_copy_prop): Ditto.
17364 * ipa-prop.h (ipcp_driver): Ditto.
17365 * cfglayout.c (insn_locators_initialize): Ditto.
17366 * tree-ssa-forwprop.c
17367 (tree_ssa_forward_propagate_single_use_vars): Ditto.
17368 * cfglayout.h (insn_locators_initialize): Ditto.
17369 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
17370 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
17371 (execute_late_warn_uninitialized): Ditto.
17372 * rtl.h (cleanup_barriers): Ditto.
17373 (split_all_insns_noflow): Ditto.
17374 (purge_line_number_notes): Ditto.
17375 (unshare_all_rtl): Ditto.
17376 (remove_unnecessary_notes): Ditto.
17377 (recompute_reg_usage): Ditto.
17378 (variable_tracking_main): Ditto.
17379 * integrate.c (emit_initial_value_sets): Ditto.
17380 * integrate.h (emit_initial_value_sets): Ditto.
17381 * tree-optimize.c (execute_free_datastructures): Ditto
17382 (execute_free_cfg_annotations): Ditto.
17383 (execute_fixup_cfg): Ditto.
17384 (execute_cleanup_cfg_pre_ipa): Ditto.
17385 (execute_cleanup_cfg_post_optimizing): Ditto.
17386 (execute_init_datastructures): Ditto.
17387 * tree-object-size.c (compute_object_sizes): Ditto.
17388 * combine.c (rest_of_handle_combine): Ditto.
17389 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
17390 * bb-reorder.c (duplicate_computed_gotos): Ditto.
17391 (rest_of_handle_reorder_blocks): Ditto.
17392 (rest_of_handle_partition_blocks): Ditto.
17393 * var-tracking.c (variable_tracking_main): Ditto.
17394 * tree-profile.c (tree_profiling): Ditto.
17395 * tree-vect-generic.c (expand_vector_operations): Ditto.
17396 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
17397 * sched-rgn.c (rest_of_handle_sched): Ditto.
17398 (rest_of_handle_sched2): Ditto.
17399 * basic-block.h (free_bb_insn): Ditto.
17400 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
17401 * tree-cfg.c (execute_build_cfg): Ditto.
17402 (remove_useless_stmts): Ditto.
17403 (split_critical_edges): Ditto.
17404 (execute_warn_function_return): Ditto.
17405 (execute_warn_function_noreturn): Ditto.
17406 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
17407 * cfgrtl.c (free_bb_for_insn): Ditto.
17408 * passes.c (execute_one_pass): Run additional
17409 todos returned by execute function.
17410 * tree-pass.h (struct tree_opt_pass): Make execute
17413 2006-03-02 Richard Guenther <rguenther@suse.de>
17415 * tree-ssa-alias.c (find_used_portions): Consider taking
17416 the address as making the variable not write-only.
17418 2006-03-02 Nick Clifton <nickc@redhat.com>
17420 * config.gcc (default_use_cxa_atexit): Extend the description of
17421 this configure variable. Set its default value to "yes" for
17422 Linux, NetBSD and ELF targets on the assumption that they will
17423 use C libraries with the __cxa_atexit function.
17425 2006-03-02 Ben Elliston <bje@au.ibm.com>
17427 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
17428 parameter as unused to suppress a build warning.
17430 2006-03-02 Ben Elliston <bje@au.ibm.com>
17432 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
17435 2006-03-01 Roger Sayle <roger@eyesopen.com>
17438 * gthr-posix.h (__gthrw2): Define to take three parameters, the
17439 declared name, the weak reference name, and the typeof name.
17440 (__gthrw): Avoid expanding the declared name suffix.
17441 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
17443 2006-03-01 Jakub Jelinek <jakub@redhat.com>
17445 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
17447 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
17448 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
17449 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
17450 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
17451 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
17452 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
17453 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
17454 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
17455 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
17456 DW_DS_leading_separate, DW_DS_trailing_separate): New.
17457 (DW_END_default, DW_END_big, DW_END_little): New.
17458 (DW_END_lo_user, DW_END_hi_user): Define.
17459 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
17460 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
17461 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
17464 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17466 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17468 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17470 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17472 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17474 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17475 to 'symbol_mem_tag'.
17477 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17480 2006-03-01 Roger Sayle <roger@eyesopen.com>
17482 * builtins.c (fold_builtin_copysign): Delete unreachable code.
17484 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17487 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
17488 MACHO_DYNAMIC_NO_PIC_P.
17489 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
17491 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17494 * config/darwin-protos.h (darwin_asm_output_anchor):
17496 * config/darwin-sections.def (cstring_section):
17497 Add SECTION_MERGE to the flags.
17498 (literal4_section): Likewise.
17499 (literal8_section): Likewise.
17500 (objc_selector_refs_section): Likewise.
17501 (objc_cls_refs_section): Likewise.
17502 * config/darwin.c (darwin_asm_output_anchor): New
17504 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17506 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
17508 Fix PR tree-optimization/26443
17509 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17510 to todo and PROP_tmt_usage to properties_destroyed.
17511 * tree-ssa-ccp.c (pass_ccp): Ditto.
17512 (pass_store_ccp): Ditto.
17513 * tree-ssa-dom.c (pass_dominator): Ditto.
17515 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17517 * tree-ssa-operands.c: Cleanup whitespace.
17518 (get_asm_expr_operands): Move before first invocation.
17519 (get_indirect_ref_operands): Likewise.
17520 (get_tmr_operands): Likewise.
17521 (get_call_expr_operands): Likewise.
17522 (append_def): Likewise.
17523 (append_use): Likewise.
17524 (append_v_may_def): Likewise.
17525 (append_v_must_def): Likewise.
17526 (add_call_clobber_ops): Likewise.
17527 (add_call_read_ops): Likewise.
17528 (add_stmt_operand): Likewise.
17529 (add_virtual_operand): Likewise.
17530 (build_ssa_operands): Likewise.
17532 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17534 PR middle-end/26022
17536 PR middle-end/24437
17537 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17538 with a call expr to ...
17539 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17541 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17543 * tree-vrp.c (extract_range_from_assert): Remove special
17544 handling for types with super-types.
17546 2006-03-01 Ben Elliston <bje@au.ibm.com>
17548 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17549 and powerpc64-*-linux* configurations.
17550 * config/t-dfprules: New file.
17552 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17553 Compile dfp-bit.c from the source directory using -DWIDTH and
17554 $DFP_CFLAGS to control the compilation of that file, rather than
17555 generating width-specific versions in the build directory.
17556 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17557 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17559 2006-02-28 Zack Weinberg <zackw@panix.com>
17561 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17564 2006-02-28 Eric Christopher <echristo@apple.com>
17566 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17567 Set up IN_LIBGCC definition of TARGET_64BIT.
17568 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17570 2006-02-28 Roger Sayle <roger@eyesopen.com>
17572 PR middle-end/14752
17573 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17574 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
17575 cases via the construction of "expr != 0".
17577 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
17579 * alias.c (alias_invariant, alias_invariant_size): Remove.
17580 (record_base_value): Remove.
17581 (memrefs_conflict_p): Don't look at alias_invariant.
17582 (end_alias_analysis): Don't free it.
17583 * alias.h (record_base_value): Remove prototype.
17585 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
17586 Adam Nemet <anemet@caviumnetworks.com>
17588 * rtl.h (truncated_to_mode): Declare it.
17589 (struct rtl_hooks): Add reg_truncated_to_mode hook.
17590 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17591 (RTL_HOOKS_INITIALIZER): Include it.
17592 * rtlhooks.c (reg_truncated_to_mode_general): New function.
17593 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17594 reg_truncated_to_mode.
17595 * rtlanal.c (truncated_to_mode): Define it.
17596 * simplify-rtx.c (simplify_unary_operation_1): Use it.
17598 2006-02-28 Jeff Law <law@redhat.com>
17600 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17601 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17602 the range allowed by TYPE_PRECISION.
17604 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17606 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
17608 PR tree-optimization/26419
17609 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17612 2006-02-27 Zack Weinberg <zackw@panix.com>
17614 * doc/md.texi: Fix typo in previous change.
17616 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
17620 2006-02-27 Zack Weinberg <zackw@panix.com>
17622 * rtl.def (define_constraint, define_register_constraint)
17623 (define_memory_constraint, define_address_constraint): New MD forms.
17624 * gensupport.c (process_rtx): Put define_constraint etc on the
17626 * genpreds.c (process_define_predicate): Adjust comment. Validate
17627 the name, and call validate_exp to validate the expression.
17628 (mark_mode_tests, write_extract_subexp): Can assume correct input.
17629 (write_predicate_expr): Likewise. NAME argument no longer necessary;
17630 all callers changed.
17631 (validate_exp, needs_variable, struct constraint_data)
17632 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17633 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17634 (const_dbl_constraints, constraint_max_namelen)
17635 (have_register_constraints, have_memory_constraints)
17636 (have_address_constraints, have_address_constraints)
17637 (have_extra_constraints, have_const_int_constraints)
17638 (have_const_dbl_constraints, mangle, add_constraint)
17639 (process_define_constraint, process_define_register_constraint)
17640 (write_enum_constraint_num, write_lookup_constraint)
17641 (write_insn_constraint_len, write_regclass_for_constraint)
17642 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17643 (write_insn_extra_memory_constraint)
17644 (write_insn_extra_address_constraint)
17645 (write_satisfies_constraint_fns): New.
17646 (write_tm_preds_h): If we have new-style constraint definitions,
17647 prototype the functions generated from them, and define the
17648 old constraint interface (still used by generic code) in terms of
17650 (write_insn_preds_c): If we have new-style constraint definitions,
17651 generate all relevant functions from those definitions.
17652 (main): Handle define_constraint etc.
17653 * genoutput.c (struct constraint_data, indep_constraints)
17654 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17655 (mdep_constraint_len): New data structures and functions, defined
17656 #ifdef USE_MD_CONSTRAINTS.
17657 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17658 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17659 use new logic to validate operand constraints against constraint
17661 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17663 * defaults.h: If none of the old-style constraint macros are
17664 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17665 old-style macros; and poison REG_CLASS_FROM_LETTER,
17666 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17668 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17669 * doc/md.texi: Document new constraint-definition mechanism and the
17670 C interface it provides. Remove references to old mechanism
17671 elsewhere in the document.
17672 (Machine Constraints): Use pathnames relative to gcc directory,
17673 i.e. config/ARCH/FILE. Change i386 section to refer to
17674 config/i386/predicates.md; update that section to match docstrings.
17675 * doc/tm.texi: Move all documentation of the old constraint-
17676 definition macros to their own section, clearly mark as obsolete.
17678 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17679 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17681 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17682 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17683 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17684 constraint strings.
17685 (splits and peepholes): Use satisfies_constraint_*.
17686 * config/i386/i386.c (memory_address_length)
17687 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17689 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17691 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17692 scalar operation to be put back into the loop.
17694 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17697 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17698 (extract_cie_info): Handle S flag in augmentation string.
17699 (execute_cfa_program): If context->signal_frame, execute also
17700 fs->pc == context->ra instructions.
17701 (uw_frame_state_for): If context->signal_frame, don't subtract one
17702 from context->ra to find FDE.
17703 (uw_update_context_1): Set context->signal_frame to
17705 (_Unwind_GetIPInfo): New function.
17706 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17707 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17709 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17710 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17711 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17712 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17713 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17714 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17715 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17716 x86_64_fallback_frame_state): Set fs->signal_frame.
17717 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17718 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17719 (frob_update_context): Likewise. Workaround missing S flag in
17720 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17721 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17722 Remove the psw_addr + 1 hack.
17724 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17726 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17727 with aggregates here.
17728 (find_func_aliases): Remove code for &<aggregate> from here.
17730 2006-02-26 Roger Sayle <roger@eyesopen.com>
17732 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17733 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17734 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17735 as (X & C) ne/eq 0.
17737 2006-02-26 Roger Sayle <roger@eyesopen.com>
17739 PR middle-end/19983
17740 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17742 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17744 * opts.c (decode_options): Do not handle flag_strength_reduce.
17745 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17746 and OPT_fstrength_reduce.
17747 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17748 flag_prefetch_loop_arrays for being nonzero.
17749 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17751 (fprefetch-loop-arrays-rtl): Removed.
17752 (flag_prefetch_loop_arrays): Do not specify the value.
17754 * doc/passes.texi: Update documentation of loop optimizer
17756 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17757 -frerun-loop-opt): Remove.
17759 2006-02-26 Richard Guenther <rguenther@suse.de>
17761 PR tree-optimization/26421
17762 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17763 in function calls that are ADDR_EXPRs as using the whole structure.
17765 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17767 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17768 * tree-pass.h (pass_loop_optimize): Remove.
17769 * passes.c (pass_loop_optimize): Never run it.
17770 * toplev.c (backend_init): Don't call init_loop.
17771 * opts.c (flag_loop_optimize_set): Remove.
17772 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17773 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17774 the old RTL loop optimizer when profiling enabled.
17775 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17776 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17777 pre-headers for the sake of the old RTL loop optimizer.
17778 * Makefile.in: Remove all references to loop.o.
17780 * doc/invoke.texi: Remove all references to -floop-optimize
17781 and -frerun-loop-opt.
17783 2006-02-26 Zack Weinberg <zackw@panix.com>
17785 * doc/md.texi (Machine Constraints): Refer to all files with paths
17786 relative to gcc directory (i.e. config/CPU/file). Add missing
17787 @table @code ... @end table to M32C subsection.
17789 2006-02-26 Roger Sayle <roger@eyesopen.com>
17791 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17793 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17795 2006-02-26 Roger Sayle <roger@eyesopen.com>
17796 James A. Morrison <phython@gcc.gnu.org>
17798 PR middle-end/21137
17799 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17800 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17801 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17802 signedness of the shift operation.
17804 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
17806 PR tree-optimization/26359
17807 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17809 2006-02-25 Roger Sayle <roger@eyesopen.com>
17811 * simplify-rtx.c (simplify_relational_operation_1): Simplify
17812 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
17813 as X == 0, and some symmetry related transformations.
17814 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
17816 2006-02-25 Roger Sayle <roger@eyesopen.com>
17818 PR middle-end/23673
17819 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17820 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
17821 symmetry related transformations. Fold (X^C1) == C2 as
17824 2006-02-25 Juergen Weigert <jw@suse.de>
17825 Richard Guenther <rguenther@suse.de>
17827 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17829 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
17831 * combine.c (gen_lowpart_or_truncate): Call
17832 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17834 2006-02-24 Diego Novillo <dnovillo@redhat.com>
17836 * doc/invoke.texi: Move -fopenmp description to "Options for
17838 Remove reference to -lgomp.
17840 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17842 * doc/install.texi: Require GNU tar version 1.14.
17844 2006-02-24 Geoffrey Keating <geoffk@apple.com>
17846 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17847 * doc/invoke.texi (C++ Dialect Options): Document
17848 -fno-use-cxa-get-exception-ptr.
17849 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17850 * configure: Regenerate.
17851 * c.opt (fuse-cxa-get-exception-ptr): New.
17852 * c-opts.c (c_common_handle_option): Handle
17853 OPT_fuse_cxa_get_exception_ptr.
17854 * c-common.c (flag_use_cxa_atexit): Update documentation.
17855 (flag_use_cxa_get_exception_ptr): New.
17856 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17857 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17859 (C_COMMON_OVERRIDE_OPTIONS): New.
17861 2006-02-24 Roger Sayle <roger@eyesopen.com>
17863 PR middle-end/24952
17864 * combine.c (try_combine): Explicitly check whether GET_CODE is
17865 a SET or a CLOBBER, instead on checking that it isn't a USE.
17867 2006-02-24 Roger Sayle <roger@eyesopen.com>
17869 * fold-const.c (fold_comparison): New subroutine of fold_binary
17870 containing transformations common to both the equality and
17871 ordering relational operators, factored out of fold_binary.
17872 (fold_binary): Separate out the equality operators (EQ_EXPR
17873 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17874 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17875 transformations common to both.
17876 (fold_div_compare): Fix latent bugs in the previously unreachable
17877 LT_EXPR and GE_EXPR cases.
17879 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17881 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17882 decl libname for clog to __clog on AIX.
17884 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17886 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17889 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17890 output traceback table for thunks. Localise rs6000_stack_info call.
17892 2006-02-23 Roger Sayle <roger@eyesopen.com>
17893 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17895 * gthr-posix.h (__gthrw): Fix typo in comment.
17897 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17899 * doc/cpp.texi (Character sets): Document that we do support
17900 input files to be in any character set.
17902 2006-02-23 Jeff Law <law@redhat.com>
17904 * tree.h (PHI_ARG_NONZERO): Remove.
17905 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17906 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17907 node to the new node.
17909 PR tree-optimization/26425
17910 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17911 min/max, then assume its varying.
17913 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17915 PR rtl-optimization/26316
17916 * rtlanal.c (enum may_trap_p_flags): New.
17917 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17918 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17919 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17920 (may_trap_after_code_motion_p): New function.
17921 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17922 (find_invariant_insn): Use may_trap_after_code_motion_p.
17923 * rtl.h (may_trap_after_code_motion_p): Declare.
17925 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17927 * emit-rtl.c (immed_double_const): Cleanup.
17929 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17931 Fix PR tree-optimization/26376
17932 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17935 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17937 PR middle-end/26412
17938 * gimplify.c (omp_add_variable): Guard variable size decl test with
17939 DECL_SIZE (decl) check.
17941 2006-02-23 Richard Guenther <rguenther@suse.de>
17943 PR middle-end/26439
17944 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17945 like aggregate types.
17947 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17949 * configure.ac: Add --with{,out}-long-double-128 configure option.
17950 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17951 * configure: Rebuilt.
17952 * config.in: Rebuilt.
17953 * doc/install.texi (Options specification): Document
17954 --with-long-double-128.
17956 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17957 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17958 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17959 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17961 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17963 * config/s390/s390.c (override_options): Handle
17964 TARGET_DEFAULT_LONG_DOUBLE_128.
17966 * config/alpha/alpha.c (override_options): Handle
17967 TARGET_DEFAULT_LONG_DOUBLE_128.
17969 * config/sparc/sparc.c (sparc_override_options): Handle
17970 TARGET_DEFAULT_LONG_DOUBLE_128.
17972 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17974 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17975 (real-install-headers-tar, real-install-headers-cpio)
17976 (real-install-headers-cp): New targets.
17978 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17980 * tree.h (variable_section): Delete.
17981 * varasm.c (variable_section): Delete.
17983 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17985 * install.texi: Add notes on install.texi2html.
17986 (Building in parallel): Do not use footnotes.
17988 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17991 * doc/install.texi (Configuration): Document --disable-libgomp.
17993 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17995 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17997 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17999 * config/i386/sse.md (vec_extractv2df_1_sse): New.
18000 (vec_extractv2df_0_sse): New.
18002 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
18004 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
18005 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
18006 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
18007 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
18008 to the result of the expression.
18009 (def_cfa_1): Adjust.
18010 (frame_pointer_cfa_offset): Rename to...
18011 (frame_pointer_fb_offset): ... this. Adjust all uses.
18012 (convert_cfa_to_loc_list): Rename to...
18013 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
18014 Pass it on to build_cfa_loc.
18015 (compute_frame_pointer_to_cfa_displacement): Rename to...
18016 (compute_frame_pointer_to_fb_displacement): ... this. New
18017 offset parameter. Use it in computation.
18018 (gen_subprogram_die): Compute cfa_fb_offset with the new
18019 macro, and use it to compute the fb loc list and the
18022 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
18024 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
18025 replaced with register_operand.
18026 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
18027 non-DREG is expensive.
18028 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
18029 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
18032 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
18034 * doc/install.texi2html: Use set -e.
18036 2006-02-21 Richard Sandiford <richard@codesourcery.com>
18038 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
18039 (ASM_OUTPUT_SHARED_LOCAL): Delete.
18040 * doc/invoke.texi (-fshared-data): Delete.
18041 * common.opt (fshared-data): Delete.
18042 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
18043 (assemble_static_space): Remove #if 0 code.
18044 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
18045 (ASM_OUTPUT_SHARED_LOCAL): Poison.
18046 * config/cris/cris.h: Remove FIXME.
18048 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
18050 * doc/sourcebuild.texi (Front End Directory): No more double-colon
18053 2006-02-21 Jakub Jelinek <jakub@redhat.com>
18055 PR middle-end/26379
18056 * combine.c (simplify_shift_const_1): Disable nested shifts
18057 optimization for vector shifts.
18059 2006-02-20 Roger Sayle <roger@eyesopen.com>
18061 PR tree-optimization/26361
18062 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
18063 of unsigned integer types.
18065 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
18067 * tree-chrec.c (eq_evolutions_p): New.
18068 * tree-chrec.h (eq_evolutions_p): Declared.
18069 * tree-data-ref.c: Fix formatting.
18070 (datadep_stats, dependence_stats): New.
18072 (print_direction_vector): New.
18073 (dump_data_dependence_relation): Use print_direction_vector.
18074 (object_analysis, create_data_ref): Handle COMPONENT_REF.
18075 (compute_subscript_distance): Static.
18076 (initialize_data_dependence_relation): Static. Get the number
18077 of loops surrounding the references from the callers, and initialize
18078 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
18079 base_object_differ_p analyzers.
18080 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
18081 compute_overlap_steps_for_affine_1_2,
18082 analyze_subscript_affine_affine): Count the classified dependences.
18083 Print a message when a test failed.
18084 (can_use_analyze_subscript_affine_affine): New.
18085 (analyze_siv_subscript): Compute the data dependences on symbolic
18086 scevs that verify can_use_analyze_subscript_affine_affine.
18087 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
18088 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
18089 Handle symbolic scevs.
18090 (analyze_overlapping_iterations): Let symbolic affine scevs to be
18092 (subscript_dependence_tester): Moved...
18093 (build_classic_dist_vector, build_classic_dir_vector): Don't use
18094 lambda_vector_clear on newly allocated vectors. Get nb_loops from
18095 DDR_SIZE_VECT instead of getting it in parameter.
18096 (subscript_dependence_tester): ... here. Take as a parameter
18097 loop_nest_depth. Call build_classic_dist_vector and
18098 build_classic_dir_vector.
18099 (compute_affine_dependence): Update subscript_dependence_tester
18100 parameters. Update datadep_stats counters. Call
18101 compute_subscript_distance.
18102 (compute_self_dependence): Save the dist and dir vectors. Call
18103 compute_subscript_distance.
18104 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
18105 (compute_all_dependences): Reorder parameters as they were before
18106 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
18107 compute_subscript_distance. Update the use of
18108 compute_affine_dependence and initialize_data_dependence_relation.
18109 (find_data_references_in_loop): Handle COMPONENT_REF.
18110 (compute_data_dependences_for_loop): Initialize dependence_stats.
18111 Don't call build_classic_dist_vector and build_classic_dir_vector.
18112 Update the parameters of initialize_data_dependence_relation and
18113 compute_all_dependences. Print the statistics from datadep_stats.
18114 (analyze_all_data_dependences): Static. Not used until the pass for
18115 checking the data dependences is contributed.
18116 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
18117 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
18118 (initialize_data_dependence_relation, compute_affine_dependence,
18119 analyze_all_data_dependences, compute_subscript_distance): Removed.
18120 (print_direction_vector): New.
18121 * lambda.h (gcd): ... here.
18122 (lambda_vector_gcd): Moved here from gcd_vector.
18123 * lambda-code.c (gcd, gcd_vector): Removed.
18124 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
18125 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
18127 2006-02-20 Diego Novillo <dnovillo@redhat.com>
18129 * ipa-type-escape.c: Tidy some comments and white space.
18130 * tree-ssa-operands.c: Likewise.
18132 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
18135 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
18136 (dump_decl_name): Do not walk the decl tree chains.
18137 * tree-pass.h (TDF_CHAIN): Remove.
18139 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18141 * Makefile.in (C): Remove
18143 (.PHONY): Remove C and PROTO
18145 2006-02-20 Roger Sayle <roger@eyesopen.com>
18147 PR middle-end/26236
18148 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
18149 deprecated CHAR_TYPE tree code.
18151 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
18153 * configure.ac (target_list): Add install-info, dvi, html.
18154 * configure: Regenerate.
18156 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
18157 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
18158 treelang/Make-lang.in: Do not use double-colon rules.
18160 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
18162 * tree.h (struct tree_memory_tag): Add is_used_alone member.
18163 (TMT_USED_ALONE): New macro.
18164 * tree-pass.h (PROP_tmt_usage): New property.
18165 (TODO_update_tmt_usage): New todo.
18166 * tree-ssa-alias.c (updating_used_alone): New variable.
18167 (recalculate_used_alone): New function.
18168 (compute_may_aliases): Set updating_used_alone, call
18169 recalculate_used_alone.
18170 * tree-sra.c (pass_sra): Note that this pass destroys
18171 PROP_tmt_usage, and add TODO_update_tmt_usage.
18172 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
18173 * tree-flow.h (updating_used_alone): Prototype.
18174 (recalculate_used_alone): Ditto.
18175 * passes.c (execute_todo): Add code to set updating_used_alone,
18176 and call recalculate.
18177 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
18178 for clobber if used alone, and add assert to verify used_alone
18181 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
18183 * config/s390/s390.c (legitimize_pic_address): Assertions checking
18184 for non tls symbols added.
18185 (legitimize_address): Do nothing for PLUS expressions if one of the
18186 addends is a tls symbol reference.
18188 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
18192 * Makefile.in (LDFLAGS): Define from autoconf substitution.
18194 * Makefile.in (BOOTSTRAPPING): New.
18195 (quickstrap): New definition if BOOTSTRAPPING=yes.
18197 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
18198 * configure.ac: Substitute all_selected_languages with the languages
18199 that were configured. For all the other variables except
18200 lang_specs_files, include all the languages in the tree.
18201 * configure: Regenerate.
18203 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
18204 if there is one. Run the commands to run fixincludes in the same
18207 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
18208 * doc/install.texi: Document exact conventions for searching target tools.
18209 Document --with-build-time-tools. Document toplevel bootstrap. Document
18210 something more about building an Ada cross-compiler. Don't list GNU Make
18211 requirements which affect all platforms.
18213 2006-02-19 Roger Sayle <roger@eyesopen.com>
18215 PR middle-end/19543
18216 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
18217 only equivalent if the have both the same mode and precision.
18219 2006-02-20 Ben Elliston <bje@au.ibm.com>
18221 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
18223 2006-02-19 Roger Sayle <roger@eyesopen.com>
18224 Steven Bosscher <stevenb.gcc@gmail.com>
18226 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
18227 constant pool references to identify stack mode constants.
18228 * rtlanal.c (constant_pool_constant_p): New predicate to check
18229 whether operand is a floating point constant in the pool.
18230 * rtl.h (constant_pool_constant_p): Prototype here.
18231 * loop.c (scan_loop): Avoid hoisting constants from the constant
18232 pool on STACK_REGS targets.
18233 (load_mems): Likewise.
18234 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
18235 loads into x87 registers expensive in terms of register pressure.
18237 2006-02-19 Roger Sayle <roger@eyesopen.com>
18239 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
18240 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
18242 2006-02-19 David Edelsohn <edelsohn@gnu.org>
18244 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
18245 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
18247 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
18249 * doc/invoke.texi: Document -fipa-pta.
18250 * common.opt: Add ipa-pta option.
18251 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
18252 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
18253 (do_ds_constraint): Ditto.
18254 (get_constraint_for): Only add to referenced_vars if
18255 referenced_vars exists.
18256 (insert_into_field_list): Rewrite to do this unsorted.
18257 (insert_into_field_list_sorted): Rename old insert_into_field_list
18259 (create_function_info_for): Use insert_into_field_list_sorted.
18260 (create_variable_info_for): Rewrite so it uses unsorted version,
18261 since the field list is sorted.
18262 (intra_create_variable_infos): Only add to referenced_vars if
18263 referenced_vars exists.
18264 (ipa_pta_execute): Init heapvars, and delete when done.
18265 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
18267 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18269 * doc/install.texi: Add missing `@samp'.
18271 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18273 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
18276 2006-02-18 Mark Wielaard <mark@klomp.org>
18278 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
18279 who added new 4.1 features, bug fixes and integration support.
18281 2006-02-18 David Edelsohn <edelsohn@gnu.org>
18284 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
18285 MEM for ABI_V4 pic.
18287 2006-02-18 Richard Sandiford <richard@codesourcery.com>
18289 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
18290 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
18291 (copy_insn_1): Likewise. Don't copy each field individually.
18293 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
18295 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
18296 * rtl.c (rtx_size): Rename variable to...
18297 (rtx_code_size): ...this.
18298 (rtx_size): New function.
18299 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
18300 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
18302 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
18303 * rtl.h (rtx_code_size): New variable.
18304 (rtx_size): Change from a variable to a function.
18305 (RTX_SIZE): Rename to...
18306 (RTX_CODE_SIZE): ...this.
18309 PR tree-optimization/17106
18310 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
18311 (Anchored Addresses): New section.
18312 * doc/invoke.texi (-fsection-anchors): Document.
18313 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
18314 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
18315 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
18316 * hooks.c (hook_bool_mode_rtx_false): New function.
18317 * hooks.h (hook_bool_mode_rtx_false): Declare.
18318 * gengtype.c (create_optional_field): New function.
18319 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
18320 SYMBOL_REF_IN_BLOCK_P is true.
18321 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
18322 (min_anchor_offset, max_anchor_offset): Likewise.
18323 (use_anchors_for_symbol_p): New hook.
18324 * toplev.c (compile_file): Call output_object_blocks.
18325 (target_supports_section_anchors_p): New function.
18326 (process_options): Check that -fsection-anchors is only used on
18327 targets that support it and when -funit-at-a-time is in effect.
18328 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
18329 if the decl doesn't have one.
18330 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
18331 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
18332 of force_const_mem through use_anchored_address.
18333 (expand_expr_constant): New function.
18334 (expand_expr_addr_expr_1): Call it. Use the same modifier when
18335 calling expand_expr for INDIRECT_REF.
18336 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
18337 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
18338 * expr.h (use_anchored_address): Declare.
18339 * loop-unroll.c: Don't declare rtx vectors here.
18340 * explow.c: Include output.h.
18341 (validize_mem): Call use_anchored_address.
18342 (use_anchored_address): New function.
18343 * common.opt (-fsection-anchors): New switch.
18344 * varasm.c (object_block_htab, anchor_labelno): New variables.
18345 (hash_section, object_block_entry_eq, object_block_entry_hash)
18346 (use_object_blocks_p, get_block_for_section, create_block_symbol)
18347 (use_blocks_for_decl_p, change_symbol_section): New functions.
18348 (get_variable_section): New function, split out from assemble_variable.
18349 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
18350 use_blocks_for_decl_p say so. Use change_symbol_section if the
18351 symbol has already been created.
18352 (assemble_variable_contents): New function, split out from...
18353 (assemble_variable): ...here. Don't output any code for
18354 block symbols; just pass them to place_block_symbol.
18355 Use get_variable_section and assemble_variable_contents.
18356 (get_constant_alignment, get_constant_section, get_constant_size): New
18357 functions, split from output_constant_def_contents.
18358 (build_constant_desc): Create a block symbol if use_object_blocks_p
18359 says so. Or into SYMBOL_REF_FLAGS.
18360 (assemble_constant_contents): New function, split from...
18361 (output_constant_def_contents): ...here. Don't output any code
18362 for block symbols; just pass them to place_section_symbol.
18363 Use get_constant_section and get_constant_alignment.
18364 (force_const_mem): Create a block symbol if use_object_blocks_p and
18365 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
18366 (output_constant_pool_1): Add an explicit alignment argument.
18367 Don't switch sections here.
18368 (output_constant_pool): Adjust call to output_constant_pool_1.
18369 Switch sections here instead. Don't output anything for block symbols;
18370 just pass them to place_block_symbol.
18371 (init_varasm_once): Initialize object_block_htab.
18372 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
18373 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
18374 (place_block_symbol, get_section_anchor, output_object_block)
18375 (output_object_block_htab, output_object_blocks): New functions.
18376 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
18377 (TARGET_ASM_OUT): Include it.
18378 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
18379 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
18380 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
18381 (TARGET_INITIALIZER): Include them.
18382 * rtl.c (rtl_check_failed_block_symbol): New function.
18383 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
18384 (block_symbol, object_block): New structures.
18385 (rtx_def): Add a block_symbol field to the union.
18386 (BLOCK_SYMBOL_CHECK): New macro.
18387 (rtl_check_failed_block_symbol): Declare.
18388 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
18389 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
18390 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
18391 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
18392 * output.h (output_section_symbols): Declare.
18393 (object_block): Name structure.
18394 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
18395 (default_use_anchors_for_symbol_p): Declare.
18396 * Makefile.in (RTL_BASE_H): Add vec.h.
18397 (explow.o): Depend on output.h.
18398 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
18399 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
18400 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
18401 (rs6000_use_blocks_for_constant_p): New function.
18403 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18405 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
18407 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18410 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
18413 2006-02-18 Diego Novillo <dnovillo@redhat.com>
18415 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
18419 2006-02-18 Jakub Jelinek <jakub@redhat.com>
18421 PR middle-end/26334
18422 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
18423 instead of DECL_REGISTER.
18425 2006-02-18 Olivier Hainque <hainque@adacore.com>
18428 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
18430 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
18433 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
18434 * opth-gen.awk: Handle Var and InverseMask together.
18435 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
18436 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
18437 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
18438 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
18440 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18441 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18442 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
18443 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18444 LINUX_DYNAMIC_LINKER): Define.
18445 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
18446 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
18448 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18449 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
18450 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18451 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18452 (TARGET_C99_FUNCTIONS): Don't define.
18453 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
18454 GLIBC_DYNAMIC_LINKER.
18455 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
18456 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
18457 GLIBC_DYNAMIC_LINKER64): Define.
18458 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18459 LINUX_DYNAMIC_LINKER64.
18460 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18461 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18462 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
18463 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18464 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18465 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18466 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
18467 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
18468 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
18469 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
18470 and LINUX_DYNAMIC_LINKER32.
18471 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18472 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18473 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
18474 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18475 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
18477 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
18478 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
18479 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18480 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18481 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18482 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
18483 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
18484 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
18485 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18486 LINUX_DYNAMIC_LINKER): Define.
18487 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
18488 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
18489 GLIBC_DYNAMIC_LINKER64): Define.
18490 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18491 LINUX_DYNAMIC_LINKER64.
18492 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18493 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18494 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
18495 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18496 LINUX_DYNAMIC_LINKER): Define.
18497 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18498 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18499 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
18500 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
18501 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
18502 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18503 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
18504 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
18505 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18506 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18507 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18508 * doc/invoke.texi (-muclibc): Remove caveat about supported
18511 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
18513 * doc/cpp.texi (__TIMESTAMP__): Document.
18515 2006-02-17 Roger Sayle <roger@eyesopen.com>
18517 PR middle-end/25600
18518 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18519 C is one less than the width of X (and related transformations).
18520 * simplify-rtx.c (simplify_unary_operation_1): Transform
18521 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18522 depending on STORE_FLAG_VALUE, were C is one less then the
18525 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
18527 Fix PR tree-optimization/26341
18528 * tree-ssa-operands.c (add_virtual_operand): Remove assert
18529 about NAME_MEMORY_TAG's.
18531 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18534 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18535 with hardware float support, and software float support. Add fcpy
18536 alternative to hardware patterns. Add alternatives to copy between
18537 general and floating-point registers to the 32-bit pattern.
18538 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18539 secondary reload to load a QI or HI mode constant into a floating
18541 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18542 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
18544 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
18547 * config/rs6000/darwin.md (load_macho_picbase_si): Add
18549 (load_macho_picbase_di): Likewise.
18551 2006-02-16 Jeff Law <law@redhat.com>
18553 * tree-vrp.c (set_value_range_to_nonnegative): New function.
18554 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18555 (ssa_name_nonzero_p): Likewise.
18556 (get_value_range): Return NULL if VRP is not running.
18557 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
18558 VRP routines do not discover a range.
18559 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18560 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18561 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18562 (tree_expr_nonnegative_p): Similarly.
18563 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18564 (restore_nonzero_vars_to_original_value): Remove.
18565 (unsafe_associative_fp_binop): Remove.
18566 (tree_ssa_dominator_optimize): Remove initialization and
18567 finalization of nonzero_vars and nonzero_vars_stack.
18568 (dom_opt_initialize_block): No longer push marker on
18569 nonzero_vars_stack.
18570 (dom_opt_finalize_block): No longer call
18571 restore_nonzero_vars_to_original_value.
18572 (record_equivalences_from_phis): No longer look for
18573 nonzero PHI arguments.
18574 (cprop_into_successor_phis): No longer propagate nonzero
18575 property into PHI arguments. Lose unused argument. Caller
18577 (record_equivalences_from_stmt): No longer record nonzero
18578 values for SSA_NAMEs.
18579 (lookup_avail_expr): No longer use nonzero_vars.
18581 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18582 for sizetype when sizetype is unsigned.
18584 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
18586 PR rtl-optimization/25603
18587 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18588 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18589 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18590 with new meaning of SETS.
18592 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
18597 * config/linux.opt: New file.
18598 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18599 LINUX_DYNAMIC_LINKER): Define.
18600 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18601 * config.gcc (*-*-linux*): Define extra_options.
18602 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18603 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18604 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18605 GLIBC_DYNAMIC_LINKER.
18606 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18607 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18608 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18609 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18610 * doc/invoke.texi (GNU/Linux Options): New section.
18612 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
18614 * config/sparc/sparc.md (setjmp): Rewrite.
18615 (setjmp_32): Delete.
18616 (setjmp_64): Likewise.
18618 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
18620 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18623 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18625 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18628 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18630 PR rtl-optimization/26296
18631 * Makefile.in (loop-invariant.c): Add except.h dependency.
18632 * loop-invariant.c: Include except.h.
18633 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18635 2005-02-16 Paul Brook <paul@codesourcery.com>
18637 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18640 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18642 PR rtl-optimization/25636
18643 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18644 when deciding whether an insn is an initializing insn.
18646 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18648 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18649 (tree_code_size): Ditto.
18650 * tree.h (struct tree_memory_tag): Remove parent_var.
18651 (struct tree_struct_field_tag): New.
18654 (union tree_node): Add sft member.
18655 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18657 (create_sft): Add size and offset argument, set SFT_OFFSET and
18659 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18660 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18661 * tree-flow-inline.h (get_subvar_at): Update for
18662 SFT_OFFSET/SFT_SIZE.
18663 (var_can_have_subvars): Ditto.
18664 (overlap_subvar): Ditto.
18665 * print-tree.c (print_node): Print out interesting things for
18667 * tree-flow.h (struct subvar): Remove offset and size members.
18668 * tree-ssa-operands.c (get_expr_operands): Update for
18669 get_indirect_ref_operands changes.
18670 (get_indirect_ref_operands): Call add_virtual_operand instead of
18671 add_stmt_operand. Only recurse on base var if requested.
18672 (access_can_touch_variable): New function.
18673 (add_stmt_operand): Split virtual operand handling into ...
18674 (add_virtual_operand): Here. Add offset, size, and for_clobber
18675 arguments. Prune alias sets.
18676 (add_call_clobber_ops): Call add_virtual_operand.
18678 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18680 PR middle-end/26300
18681 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18683 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18684 than TREE_CODE as index into omp_clause_num_ops array.
18686 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18688 PR rtl-optimization/26184
18689 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18691 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18692 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18693 must_precede, must_follow and tobe_scheduled.
18696 * opts.c (common_handle_option): Free new_option pointer.
18697 * df-core.c (df_analyze): Free postorder pointer.
18699 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18701 * Makefile.in: Fix the examples about the use of stamps
18703 2006-02-15 Michael Matz <matz@suse.de>
18705 PR middle-end/22275
18707 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18708 influenced by maximum_field_alignment or DECL_PACKED.
18709 (update_alignment_for_field): Ditto.
18710 (place_field): Ditto.
18711 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18714 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18716 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18717 (debug_flow_info): Pass it.
18718 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18719 * bb-reorder.c (reorder_basic_blocks): Likewise.
18720 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18721 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18722 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18723 * gcse.c (gcse_main, bypass_jumps): Likewise.
18724 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18725 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18726 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18727 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18728 * rtl.h (dump_flow_info): Adjust prototype.
18729 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18730 * var-tracking.c (variable_tracking_main): Likewise.
18731 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18732 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18735 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18737 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18740 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18742 PR tree-optimization/26209
18743 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18744 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18746 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18748 2006-02-14 Roger Sayle <roger@eyesopen.com>
18750 PR middle-end/23670
18751 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18752 (X,Y) and the corresponding symmetry related transformations.
18753 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18754 (X,Y) and its symmetry related transformations.
18756 2006-02-14 Roger Sayle <roger@eyesopen.com>
18758 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18761 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18763 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18765 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18768 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18769 support COMDAT group.
18770 * configure: Regenerate.
18772 2006-02-14 Roger Sayle <roger@eyesopen.com>
18774 PR middle-end/26279
18775 PR middle-end/26280
18776 PR middle-end/26283
18777 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18779 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18781 Fix PR tree-optimization/26260
18783 * doc/invoke.texi (max-fields-for-field-sensitive): Document
18785 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18786 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18787 * tree-ssa-structalias.c (create_variable_info_for): Use
18788 MAX_FIELDS_FOR_FIELD_SENSITIVE.
18790 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18792 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18794 * tree-ssa-loop-niter.c (number_of_iterations_ne,
18795 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18796 of the ending condition.
18797 * tree-ssa-loop-manip.c: Include params.h.
18798 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18799 tree_unroll_loop): New functions.
18800 * tree-pass.h (pass_loop_prefetch): Declare.
18801 * loop.c (rest_of_handle_loop_optimize): Test for
18802 -fprefetch-loop-arrays-rtl.
18803 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18804 * timevar.def (TV_TREE_PREFETCH): New timevar.
18805 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18806 pass_loop_prefetch): New.
18807 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18808 (cleanup_tree_cfg_loop): Call scev_reset.
18809 * common.opt (fprefetch-loop-arrays-rtl): Add.
18810 * tree-ssa-loop-prefetch.c: New file.
18811 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18812 (new_temp_expr_table): Initialize expr_vars.
18813 (free_temp_expr_table): Cleanup expr_vars.
18814 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18815 expressions from being merged into one.
18816 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18817 (struct tree_niter_desc): Add control, bound and cmp fields.
18818 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18820 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18821 (tree-cfgcleanup.o): Add SCEV_H dependency.
18822 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18823 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18825 2006-02-14 Richard Guenther <rguenther@suse.de>
18827 PR tree-optimization/26258
18828 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18829 in PHI argument processing.
18831 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
18833 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18834 new expression in the requested machine mode.
18836 2006-02-13 Roger Sayle <roger@eyesopen.com>
18838 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18839 directly, instead let do_compare_rtx_and_jump handle this for us.
18840 * expr.c (expand_expr_real_1): Likewise.
18841 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
18842 before do_jump_by_parts_greater.
18843 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18844 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18846 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18848 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18850 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18852 PR rtl-optimization/26235
18853 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18854 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18857 2006-02-13 Jeff Law <law@redhat.com>
18859 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18862 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18864 PR middle-end/26092
18865 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18866 twice if decl is a builtin. When trying again, call get_callee_fndecl
18867 first to verify it is still a builtin.
18869 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18871 * dwarf2out.c (base_type_die): Don't add AT_name here.
18872 (subrange_type_die): Don't add AT_name here.
18873 (modified_type_die): Rearrange code flow. Do add AT_name here.
18875 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18877 PR rtl-optimization/26247
18878 PR rtl-optimization/26248
18879 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18881 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18883 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18884 * config/fixtfdi.c: Likewise.
18885 * config/fixunstfdi.c: Likewise.
18886 * config/floatditf.c: Likewise.
18888 2006-02-13 Roger Sayle <roger@eyesopen.com>
18890 PR middle-end/24427
18891 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18892 into (X,C2) if C1 is a subset of the bits of C2. Transform
18893 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18895 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18897 2006-02-13 Josh Conner <jconner@apple.com>
18900 * varasm.c (function_section): Check for section name before
18901 calling select_section on targets that define
18902 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18903 unlikely_text_section instead of hot_function_section if
18904 first_function_block_is_cold.
18906 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18908 PR middle-end/25335
18909 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18911 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18913 PR rtl-optimization/26222
18914 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18915 after tree->rtl expansion.
18916 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18917 before passing it to emit_move_insn.
18919 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18921 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18923 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18924 Clarify documentation.
18925 * c-common.h (warn_write_strings): Remove.
18926 * c-common.c (warn_write_strings): Likewise.
18927 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18930 2006-02-12 Roger Sayle <roger@eyesopen.com>
18932 PR middle-end/25724
18933 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18934 (do_jump_parts_zero_rtx): New function renamed from
18935 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18936 (do_jump_parts_equality_rtx): New function split out from
18937 do_jump_parts_equality. Old implementation renamed as above.
18938 Call do_jump_parts_zero_rtx if either operand is zero.
18939 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18940 do all of the heavy lifting.
18941 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18942 calling either do_jump_by_parts_greater_rtx or
18943 do_jump_by_parts_equality_rtx.
18944 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18945 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18946 moved to do_compare_rtx_and_jump, call it directly.
18947 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18948 mode argument. Call do_compare_rtx_and_jump.
18949 (emit_case_nodes): Update calls to do_jump_if_equal.
18951 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18953 PR rtl-optimization/26225
18954 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18956 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18958 PR rtl-optimization/26232
18959 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18961 2006-02-11 Jason Merrill <jason@redhat.com>
18964 * tree-inline.c (declare_return_variable): Just don't use the
18965 modify target if it's a gimple complex reg and the return slot
18968 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18970 * doc/contrib.texi: Update my entry.
18972 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18974 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18976 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18978 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18981 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18983 * doc/invoke.texi (-floop-optimize2): Removed.
18984 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18985 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18986 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18987 * common.opt (floop-optimize2): Removed.
18988 (fmove-loop-invariants): Enabled by default.
18990 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18992 * tree-if-conv.c (combine_blocks): Free the result of
18993 get_loop_exit_edges.
18995 2006-02-10 Jeff Law <law@redhat.com>
18997 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18999 PR tree-optimization/26213
19000 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
19001 loop trying to follow SSA_NAME_VALUE chains.
19003 2006-02-10 Richard Guenther <rguenther@suse.de>
19005 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
19006 deal with structures that end in implicitly variable sized arrays.
19008 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
19010 PR rtl-optimization/24762
19011 * df-scan.c (df_bb_refs_record): Record correct registers defined on
19014 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
19016 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
19017 (struct ivopts_data): Add regs_used field.
19018 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
19019 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
19020 instead of loop_data->regs_used;
19021 (free_loop_data): Do not free aux fields for loops.
19022 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
19023 and tree_ssa_iv_optimize_finalize.
19025 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
19027 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
19029 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
19032 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
19033 computing the effective result type.
19035 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
19037 PR inline-asm/16194
19038 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
19039 (tree_overlaps_hard_reg_set): Declare.
19040 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
19041 type and signature to match function type expected by walk_tree.
19042 (tree_overlaps_hard_reg_set): New function.
19043 (decl_conflicts_with_clobbers_p): Rename to:
19044 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
19045 Use tree_overlaps_hard_reg_set. Changed caller.
19046 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
19047 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
19048 * cris.c (cris_md_asm_clobbers): Likewise.
19050 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
19052 * reload1.c (emit_input_reload_insns): Delete code that tries to
19053 inherit using find_equiv_reg.
19055 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
19057 * c-common.h (flag_const_strings): Don't declare.
19058 * c-common.c (flag_const_strings): Remove.
19059 * c.opt (fconst_strings): Remove.
19060 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
19061 <OPT_Wwrite_strings>: Don't set flag_const_strings.
19062 (c_common_init_options): Don't set flag_const_strings.
19063 * doc/invoke.texi (-fno-const-strings): Remove documentation.
19065 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
19067 * arm.md (tlobits_cbranch): New pattern.
19068 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
19069 testing a single bit.
19071 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
19074 * tree-ssa-pre.c (create_component_ref_by_pieces):
19075 Handle RETURN_DECL like VAR_DECL.
19077 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
19079 PR middle-end/26134
19080 * fold-const.c (fold_indirect_ref_1): Fold
19081 "*(foo *)&complexfoo" to "__real__ complexfoo"
19082 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
19084 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
19086 * tree-flow-inline.h (var_can_have_subvars):
19087 Volatile variables should not have subvariables.
19089 2006-02-09 Diego Novillo <dnovillo@redhat.com>
19092 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
19093 multiplying unsigned values.
19096 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
19098 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
19100 2006-02-08 Jason Merrill <jason@redhat.com>
19103 * tree.def: Elaborate on difference from MODIFY_EXPR.
19104 * doc/c-tree.texi (INIT_EXPR): Likewise.
19105 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
19106 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
19107 (gimplify_target_expr): Likewise.
19108 (gimplify_cond_expr): Remove target handling.
19109 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
19110 (gimplify_expr): Clobber it here.
19111 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
19112 Do return slot optimization if we have an INIT_EXPR.
19115 * tree-inline.c (declare_return_variable): Also clear
19116 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
19119 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
19121 PR middle-end/22439
19122 * gimplify.c (gimplify_one_sizepos): Fix typo.
19124 2006-02-08 Jeff Law <law@redhat.com>
19126 PR tree-optimization/21417
19127 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
19128 across a backedge if the control statement at the end of the
19129 block is data dependent on other statements in the same block.
19130 (record_temporary_equivalences_from_stmts): Remove over-conservative
19131 test for threading across backedges.
19133 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
19134 control statement, handle all three special cases in the same
19135 manner as they all have the same desired solution. No longer
19136 special case edge flag updating when the post dominator is
19139 2006-02-08 Roger Sayle <roger@eyesopen.com>
19141 * tree.def (CHAR_TYPE): Remove.
19142 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
19143 * dwarf2out.c (base_type_die, is_base_type): Likewise.
19144 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
19145 (gen_string_type_die): Delete unreachable function.
19147 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
19148 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
19149 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
19150 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
19151 * builtins.c (type_to_class): Likewise.
19152 * fold-const.c (fold_convert, build_range_check,
19153 merge_ranges): Likewise.
19154 * expr.c (count_type_elements): Likewise.
19155 * c-pretty-print.c (pp_c_type_specifier): Likewise.
19156 * stor-layout.c (layout_type): Likewise.
19157 * ipa-type-escape.c (type_to_consider): Likewise.
19158 * gimplify.c (omp_firstprivatize_type_sizes,
19159 gimplify_type_sizes): Likewise.
19160 * explow.c (promote_mode): Likewise.
19161 * tree-sra.c (is_sra_scalar_type): Likewise.
19162 * varasm.c (output_constant): Likewise.
19163 * tree-inline.c (remap_type_1): Likewise.
19164 * convert.c (convert_to_pointer, convert_to_real,
19165 convert_to_integer, convert_to_complex): Likewise.
19167 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
19169 * df-scan.c (df_def_record_1): A set destination may
19170 be a parallel regardless of mode.
19172 2006-02-08 Roger Sayle <roger@eyesopen.com>
19175 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
19176 * config/mips/_tilib.c: Remove.
19177 * config/fixtfdi.c: New libgcc source file.
19178 * config/fixunstfdi.c: New source file.
19179 * config/floatditf.c: New source file.
19180 * config/floatunditf.c: New souce file.
19181 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
19182 files above instead of config/mips/_tilib.c.
19183 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
19185 2006-02-08 Jeff Law <law@redhat.com>
19187 PR tree-optimization/26169
19188 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
19191 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
19193 * df.h (DF_REG_SIZE): Return the length of the initialized
19196 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
19198 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
19199 __muldf3): Return a correctly signed zero.
19201 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
19203 * passes.c (register_one_dump_file): Accept the current properties
19204 instead of pass number. Adjust call to dump_register. Remove
19206 (register_dump_files): Now a wrapper around...
19207 (register_dump_files_1): ... this one. Do not modify the pass
19209 (next_pass_1): Cosmetic fix.
19210 (execute_todo): Keep second parameter only. Use curr_properties
19211 instead of fetching it from the pass structure. Check and set
19213 (execute_one_pass): Handle TODO_set_props. Use curr_properties
19214 instead of fetching it from the pass structure. Fix calls to
19215 execute_todo. Update curr_properties and initialize .vcg RTL dump
19216 after running the pass. Reset last_verified.
19217 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
19219 (FIRST_AUTO_NUMBERED_DUMP): New.
19220 (dump_register): Remove "num" parameter, assign it within the
19222 (get_dump_file_name): Modify template for dumps.
19223 * tree-dump.h (dump_register): Adjust prototype.
19224 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
19225 (PROP_trees): Add PROP_gimple_lomp.
19226 (TODO_set_props): New.
19227 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
19228 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
19229 * cfgexpand.c (pass_expand): Destroy PROP_trees.
19231 2006-02-08 Jakub Jelinek <jakub@redhat.com>
19233 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
19234 (sparc64-*-linux*): Likewise.
19235 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
19236 * config/sparc/t-linux: New file.
19237 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
19238 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
19239 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
19240 -m32 -mlong-double-128.
19242 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
19243 * config/alpha/t-linux: New file.
19244 * config/alpha/libgcc-alpha-ldbl.ver: New file.
19246 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
19247 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
19248 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
19249 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
19250 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
19251 (CPP_ARCH32_SPEC): Remove.
19253 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
19255 PR tree-optimization/26145
19256 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
19259 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19262 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
19263 >= 240000 when generating code for SOM runtime.
19264 (output_indirect_call): Don't use "b,l" instruction for indirect calls
19265 to $$dyncall when generating code for SOM runtime..
19267 2006-02-07 Dirk Mueller <dmueller@suse.com>
19270 * doc/invoke.texi (-Wsequence-point): Update documentation
19271 that -Wsequence-point is implemented for C++ as well.
19273 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19275 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
19276 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
19277 (LIB_SPEC): Likewise.
19278 * doc/invoke.texi (SPARC options): Document -pthread.
19280 2006-02-07 Geoffrey Keating <geoffk@apple.com>
19282 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
19285 2006-02-07 Roger Sayle <roger@eyesopen.com>
19287 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
19288 Correct comment describing BOOLEAN_TYPE.
19290 2006-02-07 Dirk Mueller <dmueller@suse.com>
19292 * c.opt: C++ frontend supports -Wdiv-by-zero.
19293 * c-opts.c (c_common_handle_option): Remove dead case.
19295 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19297 * configure.ac (TLS assembler check): Do not enable TLS by
19298 default on SPARC/Solaris before version 10.
19299 * configure: Regenerate.
19301 2006-02-07 David Edelsohn <edelsohn@gnu.org>
19303 * doc/invoke.texi (xl-compat): Document conversion and support
19306 2006-02-07 Jeff Law <law@redhat.com>
19308 * tree-vrp.c (find_conditional_asserts): Update comments.
19309 (simplify_stmt_for_jump_threading): New.
19310 (identify_jump_threads, finalize_jump_threads): New.
19311 (vrp_finalize): Call identify_jump_threads.
19312 (execute_vrp): Call finalize_jump_threads.
19313 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
19314 (vrp_element, vrp_data, vrp_element_p): Remove.
19315 (vrp_hash_elt, vrp_variables_stack): Remove.
19316 (vrp_hash, vrp_eq, record_range): Remove.
19317 (simplify_cond_and_lookup_avail_expr): Remove.
19318 (extract_range_from_cond): Remove.
19319 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
19320 (simplify_stmt_for_jump_threading): New.
19321 (dom_thread_across_edge): New wrapper.
19322 (tree_ssa_dominator_optimize): No longer initialize or
19323 finalize any of the VRP datastructures. Remove iteration
19324 step and simplify as a result of removal of iteration step.
19325 (pass_dominator): Perform a cfg cleanup after DOM.
19326 (dom_opt_finalize_block): Use the new common routines
19327 for threading jumps. Simplify stack management slightly.
19328 No longer need to unwind VRP state.
19329 (record_equivalences_from_incoming_edge): No longer record
19331 (eliminate_redundant_computations): No longer call
19332 simplify_cond_and_lookup_avail_expr.
19333 * tree-flow.h (potentially_threadable_block): Prototype.
19334 (thread_across_edge): Likewise.
19335 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
19336 (tree-ssa-threadedge.o): Add dependencies.
19337 * tree-ssa-threadedge.c: New file.
19338 * passes.c (init_optimization_passes): Merge PHIs before
19339 calling VRP. Run VRP again late in the SSA optimization pipeline.
19341 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19343 * df-core.c (df_set_blocks): Do not dereference function pointers.
19344 (df_finish1): Likewise.
19345 (df_hybrid_search_forward): Likewise.
19346 (df_hybrid_search_backward): Likewise.
19347 (df_iterative_dataflow): Likewise.
19348 (df_analyze_problem): Likewise.
19349 (df_compact_blocks): Likewise.
19350 (df_dump): Likewise.
19351 * df-scan.c (df_rescan_blocks): Likewise.
19352 (df_record_entry_block_defs): Likewise.
19354 * genconditions.c (write_conditions): Guard the definition of
19355 'insn_conditions' with the check on GCC version.
19356 (write_writer): Guard the traversal 'insn_conditions' with
19357 the check on GCC version.
19359 2006-02-07 Richard Guenther <rguenther@suse.de>
19363 2006-01-30 Richard Guenther <rguenther@suse.de>
19365 * gimplify.c (gimplify_target_expr): Handle easy cases
19366 without creating a temporary.
19368 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
19370 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
19371 use of float in probability computations. Use edge probabilities
19372 in place of statically computed probabilities.
19373 (min_spec_prob): New static variable.
19374 (schedule_insns): Initialize it.
19375 (GET_SRC_PROB): Removed.
19376 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
19378 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
19381 * config/ia64/unwind-ia64.c: Revert last change.
19382 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
19383 (INCOMING_FRAME_SP_OFFSET): Define.
19385 2006-02-06 Roger Sayle <roger@eyesopen.com>
19387 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
19389 2006-02-07 Ben Elliston <bje@au.ibm.com>
19391 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
19392 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
19393 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
19394 (ix86_return_in_memory): Handle TDmode.
19395 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
19396 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
19398 2006-02-06 Richard Sandiford <richard@codesourcery.com>
19400 * reorg.c (dbr_schedule): Use dump_file instead of file.
19402 2006-02-06 Steve Ellcey <sje@cup.hp.com>
19405 * config/ia64/predicates.md (extr_len_operand): New predicate.
19406 * config/ia64/ia64.md (extv): Tighten constraints.
19408 (*tbit_and_2): Ditto.
19409 (*tbit_and_3): Ditto.
19410 (*tbit_or_2): Ditto.
19411 (*tbit_or_3): Ditto.
19412 (*bit_zero): Ditto.
19415 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
19418 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
19420 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
19422 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
19423 loop_optimizer_init and loop_optimizer_finalize
19424 * tree-ssa-sink.c (execute_sink_code): Ditto.
19425 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
19426 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
19427 tree_ssa_loop_done): Ditto.
19428 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
19429 * sched-ebb.c: Include output.h.
19430 (schedule_ebbs): Do not use dump argument.
19431 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
19432 * loop.c (loop_dump_stream): Removed.
19433 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
19435 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
19436 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
19437 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
19438 loop_iterations, strength_reduce, record_biv, record_giv,
19439 final_giv_value, check_final_value, check_ext_dependent_givs,
19440 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
19441 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
19442 dump_file instead of loop_dump_stream.
19443 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
19444 argument dump_file.
19445 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
19447 * flow.c (life_analysis, rest_of_handle_life): Ditto.
19448 * haifa-sched.c: Include output.h
19449 (schedule_insns, sched_init): Do not use dump argument.
19450 * mode-switching.c (optimize_mode_switching): Ditto.
19451 * modulo-sched.c (stats_file): Removed.
19452 (print_node_sched_params): Do not call argument dump_file.
19453 (sms_schedule_by_order, loop_canon_p, sms_schedule,
19454 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
19456 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19458 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
19459 rtl_loop_init, rtl_loop_done): Ditto.
19460 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
19461 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
19463 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
19464 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
19465 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
19466 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
19467 * emit-rtl.c (renumber_insns): Ditto.
19468 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
19469 expand_gimple_basic_block, tree_expand_cfg): Ditto.
19470 * regclass.c (regclass): Ditto.
19471 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
19472 remove_ssa_form, rewrite_out_of_ssa): Ditto.
19473 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
19474 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
19476 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
19477 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
19479 * gcse.c (gcse_file, debug_stderr): Removed.
19480 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
19481 rest_of_handle_gcse): Do not use dump argument.
19482 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
19483 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
19484 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
19485 compute_code_hoist_vbeinout, compute_code_hoist_data,
19486 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
19487 compute_store_table, build_store_vectors, insert_insn_start_bb,
19488 insert_store, remove_reachable_equiv_notes, replace_store_insn,
19489 store_motion): Use dump_file instead of gcse_file.
19490 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
19491 * profile.c (profile_dump_file): Removed.
19492 (branch_prob): Use dump_file instead of profile_dump_file.
19493 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
19495 * tree-ssa-copy.c (dump_copy_of): Ditto.
19496 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
19497 dump file to life_analysis.
19498 * bt-load.c (branch_target_load_optimize): Ditto.
19499 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
19501 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
19502 regclass, dbr_schedule): Declaration changed.
19503 * sched-int.h (sched_init): Declaration changed.
19504 * tree-profile.c (tree_profile_dump_file): Removed.
19505 (tree_profile_hooks): Removed profile_dump_file hook.
19506 * rtl-profile (rtl_profile_dump_file): Removed.
19507 (rtl_profile_hooks): emoved profile_dump_file hook.
19508 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19510 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
19511 * tree-cfg.c (build_tree_cfg): Ditto.
19512 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19513 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19514 Declaration changed.
19515 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19516 life_analysis and schedule_insns.
19517 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19519 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19521 * config/mips/mips.c (mips_reorg): Ditto.
19522 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19525 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
19527 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19528 (s390_mangle_fundamental_type): New.
19529 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19532 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19533 (alpha_mangle_fundamental_type): New.
19534 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19537 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19539 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19541 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19542 (sparc_mangle_fundamental_type): New.
19544 2006-02-06 Jakub Jelinek <jakub@redhat.com>
19546 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19547 (s390x-*-linux*): Likewise.
19548 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19549 * config/s390/t-linux: New file.
19551 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19553 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
19554 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
19556 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
19558 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19559 (ANTIC_SAFE_LOADS): New macro.
19560 (find_or_generate_expression): Add prototype.
19561 (set_contains_value): Allow null set for sake of not always having
19562 to allocate ANTIC_SAFE_LOADS.
19563 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19564 Allow COMPONENT_REF too.
19565 (valid_in_set): Allow COMPONENT_REF.
19566 Check ANTIC_SAFE_LOADS too.
19567 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19568 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19570 (can_PRE_operation): Add COMPONENT_REF.
19571 (create_component_ref_by_pieces): New function.
19572 (create_expression_by_pieces): Use create_component_ref_by_pieces.
19573 (insert_aux): Move AGGREGATE_TYPE_P check here.
19574 (compute_avail): Set bb local stmt uids.
19575 (pass_pre): Use TODO_update_ssa_only_virtuals.
19577 2006-02-06 Ben Elliston <bje@au.ibm.com>
19579 * configure.ac: Unconditionally disable decimal float by default.
19580 * configure: Regenerate.
19582 2006-02-06 Ben Elliston <bje@au.ibm.com>
19584 * read-rtl.c (read_name): Terminate reading on EOF.
19586 2006-02-06 Ben Elliston <bje@au.ibm.com>
19588 * dfp.c (decimal_real_arithmetic): Change second argument type
19589 from int to enum tree_code. Do not always return true, but now
19590 return result of any call to decimal_do helper functions.
19591 * dfp.h (decimal_real_arithmetic): Update prototype.
19593 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
19595 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19597 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
19600 * tree-cfg.c (cleanup_dead_labels): Also don't remove
19603 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19605 * tree-vrp.c (cfg_loops): Removed.
19606 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19607 Use current_loops instead of cfg_loops. Pass flags to
19608 loop_optimizer_init.
19609 * cfgloopmanip.c (fix_loop_structure): Update only available
19611 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19612 loop_optimizer_init.
19613 * modulo-sched.c (build_loops_structure): Removed.
19614 (sms_schedule): Use loop_optimizer_init.
19615 * loop-init.c (loop_optimizer_init): Use flags to determine
19616 which properties of loops to prepare.
19617 (rtl_loop_init): Pass flags to loop_optimizer_init.
19618 * tree-ssa-sink.c (execute_sink_code): Ditto.
19619 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19620 * tree-ssa-pre.c (init_pre): Ditto.
19621 * cfgloop.h (LOOPS_NORMAL): New.
19622 (loop_optimizer_init): Declaration changed.
19624 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19626 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19627 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19629 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19631 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19633 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19634 * pa/t-pa64: Delete quadlib.c rule.
19635 * pa/x-ada: Revert last change.
19636 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19638 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19640 PR rtl-optimization/26087
19641 * rtlanal.c (canonicalize_condition): Do not cross basic block
19644 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19647 * config/ia64/ia64.c: Include debug.h.
19648 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19649 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19650 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19651 (process_epilogue, process_set, process_for_unwind_directive):
19652 Output unwind info only if requested. Add CFA info if requested.
19653 Add new arguments as needed. Adjust callers.
19654 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19656 (DWARF2_FRAME_INFO): Define to zero.
19657 * config/ia64/unwind-ia64.c: Remove code that compensated for
19658 the CFA offset error fixed above.
19659 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19660 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19661 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19662 -funwind-tables and -fexceptions to enable frame info.
19663 (dwarf2out_frame_init): Define initial CFA even if
19664 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19665 DWARF2_UNWIND_INFO is nonzero, not just defined.
19666 (dwarf2out_frame_finish): Output non-EH call frame info only
19667 if DWARF2_FRAME_INFO is nonzero.
19668 (convert_cfa_to_loc_list,
19669 compute_frame_pointer_to_cfa_displacement): Define even if
19670 unwind info is not supported.
19671 (gen_subprogram_die): Use the above unconditionally. Remove
19672 legacy alternate code.
19673 * toplev.c (compile_file): Compile in call to
19674 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19675 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19677 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19678 Jakub Jelinek <jakub@redhat.com>
19680 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19681 IBM extended float format long double as "g" on powerpc*-linux.
19683 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19686 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19687 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19689 2006-02-03 Jason Merrill <jason@redhat.com>
19692 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19694 PR middle-end/25977
19695 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19696 on the return slot if it's an NRV.
19698 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19700 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19701 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19702 rewrite_use): Do not handle USE_OUTER.
19703 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19704 add_iv_outer_candidates, may_replace_final_value,
19705 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19706 (find_interesting_uses_op): Functionality of
19707 find_interesting_uses_outer_or_nonlin moved here.
19708 (find_interesting_uses_outside): Use find_interesting_uses_op.
19710 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19713 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19715 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19716 Ulrich Weigand <uweigand@de.ibm.com>
19719 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19720 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19721 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19722 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19724 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19725 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19726 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19727 Define secondary reloads for TFmode moves.
19728 (constant_modes): Add TFmode.
19729 (NR_C_MODES): Set to 8.
19730 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19732 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19733 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19734 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19735 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19736 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19737 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19738 (FPR mode macro): Add TFmode.
19739 (DSF mode macro): New.
19740 (<de>, <dee> mode attributes): Removed.
19741 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19742 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19743 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19744 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19745 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19746 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19747 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19748 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19749 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19750 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19751 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19752 "*negabs<mode>2", "sqrt<mode>2"):
19753 Changed <de> to <xde>. R constraint replaced by <Rf>.
19754 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19756 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19757 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19758 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19760 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19761 "extenddftf2", "extendsftf2"): New expanders.
19762 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19763 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19764 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19765 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19767 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19768 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19769 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19770 __floatditf): Add a GCC_4.1.0 symbol version tag.
19771 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19774 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19777 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19778 Use targetm.binds_local_p instead of TREE_PUBLIC.
19780 2006-02-02 Roger Sayle <roger@eyesopen.com>
19782 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19783 on INTEGER_TYPEs to indicate that it denotes a character type.
19784 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19785 signed_char_type_node, unsigned_char_type_node and char_type_node.
19786 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19787 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
19788 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19790 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
19791 Daniel Berlin <dberlin@dberlin.org>
19793 * tree-tailcall.c (arg_needs_copy_p): New function.
19794 (eliminate_tail_call): Use arg_needs_copy_p.
19795 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19796 (add_virtual_phis): New function.
19798 2006-02-02 Jakub Jelinek <jakub@redhat.com>
19800 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19801 #ignore instead of #scratch for %g7 .register directive.
19803 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
19805 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19808 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19810 * flow.c (calculate_global_regs_live): Assert that there aren't any
19813 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
19815 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19816 what its name says.
19817 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19818 bsi_after_labels iterator.
19819 * tree-if-conv.c (find_phi_replacement_condition,
19820 replace_phi_with_cond_modify_expr): Likewise.
19821 * tree-scalar-evolution.c (scev_const_prop): Likewise.
19822 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19824 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19826 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19828 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19831 * tree-cfg.c (move_block_to_fn): Clear out the basic block
19832 array after growing it.
19834 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19836 PR middle-end/24901
19837 * fold-const.c (fold_checksum_tree): Change type of buf.
19839 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
19841 * reload.c (push_secondary_reload): Initialize t_icode.
19843 2006-02-01 Jakub Jelinek <jakub@redhat.com>
19845 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19846 -msoft-float -mlong-double-128 only issue a warning, but don't
19847 swich to DFmode long double.
19849 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
19851 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19852 has a constant equivalent, iterate over equivalents for arg0,
19853 calling simplify_relational_operation and if there's a result
19854 cheaper than X, apply fold_rtx and return the result.
19856 2006-02-01 Jan Hubicka <jh@suse.cz>
19858 * opts.c (no_unit_at_a_time_default): New global variable.
19859 (decode_options): Use it.
19860 * opts.h (no_unit_at_a_time_default): Declare.
19862 2006-02-01 Paul Brook <paul@codesourcery.com>
19864 * function.c (assign_parm_setup_reg): Use function argument promotion
19866 * expr.c (expand_expr_real_1): Use function argument promotion rules
19869 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19871 * gcc.c (process_command): Change j to 'unsigned int'.
19873 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19875 PR middle-end/26001
19876 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19877 Use the corrected index for the character
19878 out of the string constant.
19880 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19882 * mode-switching.c (optimize_mode_switching): Fix size
19883 allocated for bb_info[n_entities].
19885 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19887 * gcc.c (main): Correct type that is allocated for
19888 explicit_link_files.
19890 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19892 * config/s390/s390.c (init_alignment_context): Set
19893 ALIAS_SET_MEMORY_BARRIER on the MEM.
19894 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19896 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19898 PR middle-end/25933
19899 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19901 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19904 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19906 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19907 * regrename.c: Ditto.
19908 * tree-ssa-loop-im.c: Ditto.
19909 * tree-dump.c: Ditto.
19910 * tree-complex.c: Ditto.
19911 * genrecog.c: Ditto.
19912 * tree-ssa-threadupdate.c: Ditto.
19914 * java/class.c: Ditto.
19915 * java/jcf-parse.c: Ditto.
19916 * java/resource.c: Ditto.
19917 * java/except.c: Ditto.
19918 * java/jvspec.c: Ditto.
19919 * java/jcf-write.c: Ditto.
19920 * java/jcf-path.c: Ditto.
19921 * java/gjavah.c: Ditto.
19922 * java/zextract.c: Ditto.
19923 * java/jcf-io.c: Ditto.
19924 * java/jcf.h: Ditto.
19925 * java/buffer.c: Ditto.
19926 * java/lang.c: Ditto.
19927 * java/parse-scan.y: Ditto.
19928 * java/lex.c: Ditto.
19929 * java/lex.h: Ditto.
19930 * cfgloopmanip.c: Ditto.
19931 * postreload-gcse.c: Ditto.
19932 * tree-ssa-loop-manip.c: Ditto.
19933 * postreload.c: Ditto.
19934 * tree-ssa-loop-ch.c: Ditto.
19937 * cppspec.c: Ditto.
19938 * diagnostic.c: Ditto.
19940 * genoutput.c: Ditto.
19942 * cfghooks.c: Ditto.
19943 * cfgloopanal.c: Ditto.
19944 * objc/objc-act.c: Ditto.
19946 * genextract.c: Ditto.
19947 * genautomata.c: Ditto.
19948 * pretty-print.c: Ditto.
19949 * genemit.c: Ditto.
19950 * cgraphunit.c: Ditto.
19952 * df-scan.c: Ditto.
19953 * haifa-sched.c: Ditto.
19954 * dominance.c: Ditto.
19956 * tree-ssa-loop-ivopts.c: Ditto.
19957 * df-core.c: Ditto.
19958 * mode-switching.c: Ditto.
19959 * modulo-sched.c: Ditto.
19961 * ipa-pure-const.c: Ditto.
19963 * fix-header.c: Ditto.
19965 * tree-stdarg.c: Ditto.
19966 * ipa-utils.c: Ditto.
19967 * loop-init.c: Ditto.
19968 * ipa-inline.c: Ditto.
19969 * cfganal.c: Ditto.
19971 * alloc-pool.c: Ditto.
19972 * dwarf2out.c: Ditto.
19974 * genattrtab.c: Ditto.
19975 * tree-ssa-loop-ivcanon.c: Ditto.
19976 * predict.c: Ditto.
19977 * timevar.c: Ditto.
19979 * fortran/gfortranspec.c: Ditto.
19980 * regmove.c: Ditto.
19981 * local-alloc.c: Ditto.
19982 * langhooks.c: Ditto.
19983 * function.c: Ditto.
19984 * tree-vectorizer.c: Ditto.
19986 * ipa-type-escape.c: Ditto.
19988 * tree-if-conv.c: Ditto.
19989 * profile.c: Ditto.
19991 * tree-data-ref.c: Ditto.
19992 * loop-unroll.c: Ditto.
19993 * treelang/treetree.c: Ditto.
19995 * bt-load.c: Ditto.
19996 * ggc-common.c: Ditto.
19998 * coverage.c: Ditto.
20000 * tree-cfgcleanup.c: Ditto.
20001 * tree-ssa-pre.c: Ditto.
20002 * cfgcleanup.c: Ditto.
20003 * loop-invariant.c: Ditto.
20004 * loop-iv.c: Ditto.
20005 * ipa-prop.c: Ditto.
20006 * print-tree.c: Ditto.
20007 * conflict.c: Ditto.
20008 * ggc-page.c: Ditto.
20009 * sched-deps.c: Ditto.
20010 * regclass.c: Ditto.
20011 * tree-object-size.c: Ditto.
20012 * combine.c: Ditto.
20013 * bb-reorder.c: Ditto.
20014 * resource.c: Ditto.
20015 * var-tracking.c: Ditto.
20016 * cfgloop.c: Ditto.
20017 * df-problems.c: Ditto.
20018 * reg-stack.c: Ditto.
20020 * gccspec.c: Ditto.
20021 * sched-rgn.c: Ditto.
20022 * tree-ssa-structalias.c: Ditto.
20023 * tree-ssa-reassoc.c: Ditto.
20024 * config/darwin-c.c: Ditto.
20025 * config/darwin.c: Ditto.
20026 * config/arm/arm.c: Ditto.
20028 * collect2.c: Ditto.
20029 * reload1.c: Ditto.
20031 2006-01-31 Nicolas Pitre <nico@cam.org>
20033 * arm.md (smaxsi3): Make aware of smax_m1.
20036 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
20038 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
20040 2006-01-31 Richard Guenther <rguenther@suse.de>
20042 * doc/invoke.texi (-msselibm): Document.
20043 * target.h (expand_library_builtin): New target hook.
20044 * builtins.c (expand_builtin): Use expand_library_builtin.
20045 (default_expand_library_builtin): New function.
20046 * gcc.c (LINK_GCC_MATH_SPEC): Define.
20047 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
20048 (link_gcc_math_spec): Declare.
20049 (static_specs): Add link_gcc_math_spec.
20050 * expr.h (default_expand_library_builtin): Declare.
20051 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
20052 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
20053 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
20054 * config/i386/i386.opt (msselibm): New target option.
20055 * config/i386/i386.c (ix86_builtin_function_variants): New array.
20056 (ix86_init_sse_abi_builtins): New function.
20057 (ix86_expand_library_builtin): Likewise.
20058 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
20059 (override_options): Handle error conditions wrt -msselibm.
20060 (ix86_builtins): Add function codes for SSE2 ABI builtins.
20061 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
20062 * doc/extend.texi (__builtin_sse2_*): Document new target specific
20065 2006-01-31 Richard Guenther <rguenther@suse.de>
20066 Paolo Bonzini <bonzini@gnu.org>
20068 * doc/install.texi (--disable-libgcc-math): Document.
20070 2006-01-30 Marcin Dalecki <martin@dalecki.de>
20072 * expr.h (expand_normal): new inline function.
20073 * builtins.c: use it, use EXPAND_NORMAL explicitely.
20074 * dojump.c: use it.
20075 * dwarf2out.c: use it.
20078 * expmed.c: use it.
20079 * except.c: use it.
20080 * config/sparc/sparc.c: use it.
20081 * config/i386/i386.c: use it.
20082 * config/rs6000/rs6000.c: use it.
20083 * config/arm/arm.c: use it.
20084 * config/mips/mips.c: use it.
20085 * stmt.c: use it, use EXPAND_NORMAL explicitely.
20087 2006-01-30 Roger Sayle <roger@eyesopen.com>
20089 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
20090 argv to the appropriate type.
20092 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
20094 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
20097 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
20100 * config/s390/s390.c (struct machine_function): New flag
20101 decomposed_literal_pool_addresses_ok_p.
20102 (s390_reorg): Set it before final stage of literal pool transforms.
20103 (s390_decompose_address): Only accept displacements of the form
20104 (minus (label_ref ...) (label_ref ...)) if that flag is set.
20106 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
20108 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
20109 the comparison routine return.
20111 2006-01-30 Michael Matz <matz@suse.de>
20113 * global.c (find_reg): Only evict for global regs.
20114 Take n_refs into account and dump more info.
20116 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
20119 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
20120 (pragma_trap, pragma_nosave_low_regs): Likewise.
20121 (current_function_anonymous_args): Likewise.
20122 (sh_deferred_function_attributes): New variable.
20123 (sh_deferred_function_attributes_tail): Likewise.
20124 (print_operand): For '@', look up trap_exit attribute.
20125 (calc_live_regs): Look up trapa_handler attribute. For trapa
20126 handlers, save/restore fpscr, but don't do any other
20127 interrupt-specific saves.
20128 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
20129 Fix check for partially saved registers to check for SHmedia.
20130 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
20131 (sh_output_function_epilogue): Don't clear any of the removed
20133 (sh_insert_attributes): Don't check pragma_interrupt.
20134 Insert deferred attributes. Check that interrupt attribute is
20135 present for other attributes that require its presence.
20136 (sh_attribute_table): Add new attributes trapa_handler and
20138 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
20139 Don't check for pragma_interrupt. Don't store argument.
20140 * sh.h (pragma_interrupt, sp_switch): Don't declare.
20141 (sh_deferred_function_attributes): Declare.
20142 (sh_deferred_function_attributes_tail): Likewise.
20143 * sh.md (sp_switch_1): Add operand. Change generator caller.
20144 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
20145 (*return_i): Don't use when trap_exit attribute is in effect.
20146 (*return_trapa): New insn pattern.
20147 * sh-c.c: New file.
20148 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
20149 setting c_target_objs and cxx_target_objs.
20150 * t-sh: Add rule for sh-c.o.
20152 2006-01-30 Richard Guenther <rguenther@suse.de>
20155 * gimplify.c (gimplify_target_expr): Handle easy cases
20156 without creating a temporary.
20158 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
20160 * vec.h (safe_grow): Remove duplicated line.
20162 2006-01-29 Diego Novillo <dnovillo@redhat.com>
20165 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
20166 (expand_omp): ... here.
20167 (expand_omp_parallel): Only remove barriers for combined
20168 parallel+workshare constructs.
20170 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
20174 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
20175 * tree.c (build_qualified_type): Chain the new type to the original
20176 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
20177 a POINTER_TYPE or a REFERENCE_TYPE respectively.
20178 (build_pointer_type_for_mode): Only return unqualified types.
20179 (build_reference_type_for_mode): Likewise.
20181 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
20183 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
20184 * Makefile.in (CXX_COMPAT_WARN): Define.
20185 * configure: Regenerate.
20187 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
20190 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
20193 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
20195 * toplev.c: Fix thinko.
20197 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
20198 Marcin Dalecki <martin@dalecki.de>
20200 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
20201 (push_srcloc): Use XNEW.
20202 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
20204 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
20206 * df-core.c (df_set_blocks): Deleted all variable.
20208 2006-01-28 Ian Lance Taylor <ian@airs.com>
20210 * cgraphunit.c (cgraph_assemble_pending_functions): Call
20211 cgraph_output_pending_asms.
20213 2006-01-28 Zack Weinberg <zackw@panix.com>
20215 * c.opt: Add -W(no-)overlength-strings.
20216 * doc/invoke.texi: Document it.
20217 * c-opts.c (c_common_handle_option): -pedantic implies
20218 -Woverlength-strings, if not explicitly disabled already.
20219 (c_common_post_options): -Woverlength-strings defaults to off, and
20220 is always off for C++.
20221 * c-common.c (fix_string_type): Issue warning about strings longer
20222 than is portable only if warn_overlength_strings. Rearrange code
20223 a little for clarity.
20224 * configure.in: Check for -Wno-overlength-strings as well before
20225 enabling -pedantic in stage 1.
20226 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
20227 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
20229 * genconditions.c (write_header, write_one_condition)
20230 (write_conditions, write_writer): Consolidate very long strings
20231 that were broken up to fit in C89 portable limit. Don't use
20232 printf when fputs will do.
20234 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
20236 * combine.c (simplify_comparison <AND>): Check
20237 TRULY_NOOP_TRUNCATION before start using a subreg.
20239 * config/mips/mips.md (*branch_zero<mode>,
20240 *branch_zero<mode>_inverted, *branch_equality<mode>,
20241 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
20242 Remove mode check from comparisons.
20244 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
20246 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
20248 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
20250 * expmed.c (const_mult_add_overflow_p): Remove.
20251 * expr.h: Remove the prototype for const_mult_add_overflow_p.
20253 * recog.c (validate_replace_rtx_subexp): Remove.
20254 * recog.h: Remove the prototype for
20255 validate_replace_rtx_subexp.
20257 * integrate.h: Remove the prototype for
20258 copy_decl_for_inlining.
20259 * rtl.h: Remove the prototype for mark_constant_function.
20260 * tree-vectorizer.h: Remove the prototype for
20261 vect_strip_conversion.
20263 * modulo-sched.c (create_partial_schedule,
20264 free_partial_schedule, reset_partial_schedule): Make them
20267 * hooks.c (hook_bool_rtx_int_false): Remove.
20268 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
20270 2006-01-28 David Edelsohn <edelsohn@gnu.org>
20272 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20273 and -mlong-double-128 are incompatible.
20274 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
20275 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
20276 (TARGET_LIBGCC2_CFLAGS): Define.
20277 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
20278 (TARGET_LIBGCC2_CFLAGS): Same.
20279 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
20281 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
20284 * c-typeck.c (build_binary_op): Perform implicit casts of
20285 operands before shortening them.
20287 * cfgloopmanip.c (split_loop_bb): Remove.
20288 * cfgloop.h: Remove the prototype for split_loop_bb.
20290 * cfgloop.c (flow_loop_outside_edge_p): Remove.
20291 * cfgloop.h: Remove the prototype for
20292 flow_loop_outside_edge_p.
20294 * emit-rtl.c (init_virtual_regs): Make it static.
20295 * function.h: Remove the prototype for init_virtual_regs.
20297 * recog.c (peephole2_optimize): Make it static.
20298 * recog.h: Remove the prototype for peephole2_optimize.
20300 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20302 * df-scan.c (df_record_entry_block_defs): Check if
20303 INCOMING_RETURN_ADDR_RTX is defined.
20305 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
20306 Kenneth Zadeck <zadeck@naturalbridge.com>
20308 PR rtl-optimization/24762
20309 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20310 * targhooks.c (hook_void_bitmap): New hook prototype.
20311 * targhoohs.h (hook_void_bitmap): Ditto.
20312 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
20313 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
20314 * target.h (live_on_entry): New function pointer.
20315 * df-scan.c (df_all_hard_regs): Removed.
20316 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
20317 (df_scan_free_internal): Added df->entry_block_defs.
20318 (df_scan_alloc): Ditto.
20319 (df_scan_dump): Ditto.
20320 (df_uses_record): Plumbed flag field properly thru calls.
20321 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
20322 This part fixes PR24762.
20323 (df_bb_refs_record): Added code to make the frame and arg
20324 pointers live in EH blocks.
20325 (df_refs_record): Added call to df_record_entry_block_defs.
20326 (df_record_entry_block_defs): New function.
20327 * df-core.c: Added comments to describe new artifical defs.
20328 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
20329 (entry_block_defs): New field in struct df.
20330 (df_all_hard_regs): Deleted.
20331 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20332 * df-problems.c (df_ru_bb_local_compute_process_def):
20333 Added code to handle artifical defs in the entry to a function.
20334 (df_ru_bb_local_compute): Ditto.
20335 (df_rd_bb_local_compute_process_def): Ditto.
20336 (df_rd_bb_local_compute): Ditto.
20337 (df_lr_bb_local_compute): Ditto.
20338 (df_ur_bb_local_compute): Ditto.
20339 (df_urec_bb_local_compute): Ditto.
20340 (df_chain_create_bb): Ditto.
20341 (df_ur_local_finalize): Removed entry.
20342 (df_urec_init): Ditto.
20343 (df_urec_local_finalize): Ditto.
20344 (df_ri_bb_compute): Added detection of last use of pseudos.
20345 * Makefile.in (df-scan.o): Updated dependencies.
20346 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
20347 * config/mips/mips.c (mips_set_live_on_entry): Added.
20348 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
20350 * dce.c (marked_insn_p): Added code to handle artifical defs.
20352 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20354 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
20356 (_mm_cvtsi128_si64): Likewise.
20357 (_mm_cvtsd_si64): Likewise.
20358 (_mm_cvttsd_si64): Likewise.
20359 (_mm_cvtsi64_sd): Likewise.
20360 (_mm_cvtsi64_si128): Likewise.
20361 * config/i386/mmintrin.h (_m_from_int64): Likewise.
20362 (_mm_cvtsi64_m64): Likewise.
20363 (_m_to_int64): Likewise.
20364 (_mm_cvtm64_si64): Likewise.
20365 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
20366 (_mm_cvttss_si64): Likewise.
20367 (_mm_cvtsi64_ss): Likewise.
20368 (_mm_cvtss_f32): Likewise.
20370 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
20372 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
20373 for pragma redefine_extname.
20375 2006-01-27 Jakub Jelinek <jakub@redhat.com>
20378 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
20379 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
20380 -mno-minimal-toc to previous content.
20381 (bispecs): Remove goal.
20382 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
20383 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
20384 compatibility aliases on powerpc-*-*gnu*.
20385 * config/rs6000/libgcc-ppc-glibc.ver: New file.
20386 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
20387 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
20388 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
20389 (ldblspecs): New goal.
20390 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
20391 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
20393 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
20394 L_sf_to_tf or L_df_to_tf is defined.
20396 2006-01-27 David Edelsohn <edelsohn@gnu.org>
20397 Alan Modra <amodra@bigpond.net.au>
20400 * config/rs6000/linux.h (POWERPC_LINUX): Define.
20401 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
20402 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
20403 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
20404 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
20405 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
20406 (rs6000_override_options): Initialize rs6000_ieeequad.
20407 Initialize TFmode format to ibm_extended_format if not
20409 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
20411 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
20412 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
20413 (function_arg_advance): IBM long double passed in two FPRs, not
20415 (function_arg): IBM long double passed in FPRs.
20416 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
20417 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
20418 Only multireg GPR aligned.
20419 (rs6000_init_libfuncs): Enable IBM long double functions if not
20421 (rs6000_generate_compare): Use IBM long double compare if not
20423 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
20424 (TARGET_IEEEQUAD): Define.
20425 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
20426 not TARGET_IEEEQUAD.
20427 * config/rs6000/rs6000.md: Enable TFmode patterns if
20429 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
20430 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20431 and -mlong-double-128 are incompatible.
20432 * doc/invoke.texi (-mabi): Collect options together. Add
20433 ibmlongdouble and ieeelongdouble.
20435 2006-01-27 Richard Sandiford <richard@codesourcery.com>
20437 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
20439 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
20440 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
20441 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
20442 * rtl.h (rtunion_def): Remove rt_ptr.
20444 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
20445 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
20446 * config/i386/winnt.c (i386_pe_mark_dllexport)
20447 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
20449 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
20451 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
20453 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20457 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
20458 pthread_key_delete. From John David Anglin. gthrw-ify
20459 pthread_getunique_np only if it it's not a macro. Delete
20461 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
20462 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
20463 __gthread_objc_condition_signal, __gthread_key_delete): Add
20464 "__attribute__ ((__unused__))" to unused arguments.
20465 (__gthread_recursive_mutex_init_function): Add missing return.
20466 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
20467 gthr-posix95.h: Use macro-based approach for name redirection
20468 on targets missing weakref.
20470 2006-01-26 Zack Weinberg <zackw@panix.com>
20472 * genconditions.c (write_header): In generated code, #ifdef out
20473 all includes and fake declarations, except includes of bconfig.h
20474 and system.h, unless GCC_VERSION >= 3001. Do not include
20475 gensupport.h in any case.
20476 (write_conditions): Generate a definition of struct c_test. Add
20477 a comment to the generated #endif.
20478 (write_one_condition): Escape backslashes in string too.
20479 (write_writer): Generated code must escape backslashes and quote
20480 marks (but not newlines) in the strings it writes.
20481 * Makefile.in (build/gencondmd.o): Update dependencies.
20483 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20486 * Makefile.in (insn-automata.o): Add header file dependencies.
20487 * genautomata.c: Add includes.
20489 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20492 * Makefile.in (insn-automata.o): Add -Wno-error flag.
20494 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20496 * configure.ac: Expect target tools paths to be passed from the toplevel
20497 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
20499 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20501 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20504 * c.opt (Wpointer-sign): Init to -1.
20505 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
20506 OPT_pedantic, to 0 otherwise.
20507 * doc/invoke.texi: Update.
20509 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20511 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20512 constants provided by 80387 instructions in the destination mode.
20514 2006-01-26 Richard Guenther <rguenther@suse.de>
20515 Andrew Pinski <pinskia@physics.uc.edu>
20518 partial PR tree-opt/17064
20519 * tree-ssa-structalias.c (intra_create_variable_infos):
20520 Create heap variables for incoming parameters if
20521 flag_argument_noalias > 1.
20522 (find_what_p_points_to): Look through default defs of
20525 2006-01-26 Jeff Law <law@redhat.com>
20528 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20529 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20530 within the VR_RANGE, use the VR_RANGE as the result, not the
20532 (adjust_range_with_scev): Reject ranges from SCEV which are out of
20533 bounds for the type.
20535 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
20537 * tree-ssa-alias.c (maybe_create_global_var): Change
20538 subvar walking to an assertion that we don't have subvar'd variables.
20540 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
20543 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
20544 Use a new variable, inner. PARM_DECLs are always non-weak.
20546 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
20548 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20549 --disable-checking.
20551 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
20553 * config/mips/mips.md (*clear_upper32): New combiner pattern.
20555 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
20557 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
20558 (smax_insn, smin_insn, smax_0, smin_0): New.
20560 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
20563 * config/cris/cris.c (cris_order_for_addsi3): New function.
20564 * config/cris/cris-protos.h: Prototype it.
20565 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20566 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20567 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20568 (split for "op.S1 [rx=rx+i],ry (swapped)")
20569 (split for "op(s|u).S1 [rx=rx+i],ry")
20570 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20571 Apply cris_order_for_addsi3 when generating addsi3 insns.
20573 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20575 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20576 (TREE_BLOCK): Add call to EXPR_CHECK.
20578 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20581 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20582 * tree-pretty-print.c (dump_omp_clause): Extract from ...
20583 (dump_omp_clauses): ... here.
20584 (dump_generic_node): Handle OMP_CLAUSE.
20585 * tree.c (omp_clause_num_ops): New.
20586 (omp_clause_code_name): New.
20587 (tree_code_size): Handle OMP_CLAUSE.
20588 (tree_size): Likewise.
20589 (make_node): Document handling of OMP_CLAUSE.
20590 (tree_node_structure): Handle OMP_CLAUSE.
20591 (omp_clause_check_failed): New.
20592 (omp_clause_range_check_failed): New.
20593 (omp_clause_operand_check_failed): New.
20594 (build_omp_clause): New.
20595 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20596 * tree.h (enum omp_clause_code): Declare.
20597 (OMP_CLAUSE_SUBCODE_CHECK): Define.
20598 (OMP_CLAUSE_RANGE_CHECK): Define.
20599 (OMP_CLAUSE_ELT_CHECK): Define.
20600 (omp_clause_check_failed): Declare.
20601 (omp_clause_operand_check_failed): Declare.
20602 (omp_clause_range_check_failed): Declare.
20603 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20604 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20605 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20606 (OMP_CLAUSE_LASTPRIVATE): Likewise.
20607 (OMP_CLAUSE_IF_EXPR): Likewise.
20608 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20609 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20610 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20611 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20612 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20613 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20614 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20615 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20616 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20617 (OMP_CLAUSE_CODE): Define.
20618 (OMP_CLAUSE_SET_CODE): Define.
20619 (OMP_CLAUSE_CODE): Define.
20620 (OMP_CLAUSE_OPERAND): Define.
20621 (struct tree_omp_clause): Declare.
20622 (union tree_node): Add field 'omp_clause'.
20623 * treestruct.def (TS_OMP_CLAUSE): Define.
20624 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20625 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20626 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20627 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20628 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20629 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20630 (OMP_CLAUSE): Define.
20631 * print-tree.c (print_node): Handle OMP_CLAUSE.
20632 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20633 * c-typeck.c: Likewise.
20634 * gimplify.c: Likewise.
20635 * c-omp.c: Likewise.
20636 * tree-nested.c: Likewise.
20637 * tree-inline.c: Likewise.
20638 * c-parser.c: Likewise.
20639 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20642 2006-01-25 Roger Sayle <roger@eyesopen.com>
20644 PR rtl-optimization/25703
20645 * combine.c (try_combine): Handle zero_extract and strict_low_part
20646 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20648 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20650 * global.c: Fix comment typos.
20652 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20655 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20656 Use output_addr_const instead of assemble_name.
20658 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20660 * Makefile.in (sched-vis.o): Update dependencies.
20661 * haifa-sched.c (sched_finish): Clear current_sched_info.
20662 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20663 (dump_flow_info): Call it.
20664 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20666 * basic-block.h (dump_bb_info): Declare.
20667 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20668 option, and apply options only for dump files whose TDF_RTL,
20669 TDF_TREE, or TDF_IPA bits match.
20670 * rtl.h: Declare new functions exported from sched-vis.c.
20671 * sched-vis.c: Enable also if scheduling is not used.
20672 (print_value): Print the mode of registers if not inside scheduling.
20673 (print_insn): Make it work outside the scheduler. Beautify the output
20675 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20677 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20679 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20680 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20681 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20682 depending on the value of CONSTANT_POOL_ADDRESS_P.
20683 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20685 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20686 rather than SYMBOL_REF_DECL.
20687 (rtx_constant_pool): Remove const_rtx_sym_htab.
20688 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20689 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20690 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20691 Remove handling of const_rtx_sym_htab.
20692 (find_pool_constant): Delete.
20693 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20694 rather than find_pool_constant.
20695 (get_pool_constant_for_function): Delete.
20696 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20697 find_pool_constant.
20698 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20699 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20700 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20701 (SYMBOL_REF_CONSTANT): New macro.
20702 (get_pool_constant_for_function): Delete.
20703 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20704 rather than SYMBOL_REF_DECL.
20705 (i386_pe_mark_dllimport): Likewise.
20706 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20707 rather than SYMBOL_REF_DECL.
20708 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20709 (machopic_indirect_call_target): Likewise.
20711 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20713 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20715 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20717 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20719 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20721 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20723 2006-01-24 David Daney <ddaney@avtrex.com>
20726 * configure.ac (enable_tls): New enable option.
20727 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20728 * configure: Regenerate.
20729 * doc/install.texi (--enable-tls): Document new option.
20730 (--disable-tls): Ditto.
20732 2006-01-24 Richard Henderson <rth@redehat.com>
20734 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20735 * alias.c (true_dependence): Respect it.
20736 (canon_true_dependence, write_dependence_p): Likewise.
20737 * builtins.c (get_builtin_sync_mem): Set it.
20739 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20741 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20744 2006-01-24 DJ Delorie <dj@redhat.com>
20746 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20747 for storing constants in single-bit bitfields.
20749 2006-01-25 Ben Elliston <bje@au.ibm.com>
20751 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20753 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20756 * tree-ssa-pre.c (phi_translate): Return NULL
20757 for AGGREGATE_TYPE's.
20759 2006-01-24 Zack Weinberg <zackw@panix.com>
20761 * genautomata.c (process_state_for_insn_equiv_partition):
20762 Use xcalloc for insn_arcs_array.
20763 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20764 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20766 2006-01-24 Richard Henderson <rth@redhat.com>
20768 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20769 update all callers.
20771 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20773 PR rtl-optimization/25890
20774 PR rtl-optimization/25905
20775 * combine.c (expand_compound_operation, expand_field_assignment):
20776 Fail if the bitfield's final position is out of bounds.
20778 2006-01-24 Ian Lance Taylor <ian@airs.com>
20780 PR middle-end/25930
20781 * cgraphunit.c (cgraph_output_in_order): Don't clear
20782 cgraph_asm_nodes until after asm strings have been output.
20784 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
20786 * fix-header.c (read_scan_file): Add new parameter imultilib when
20787 calling register_include_chains.
20789 2006-01-23 Diego Novillo <dnovillo@redhat.com>
20791 * omp-low.c: Update documentation.
20793 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20794 Daniel Berlin <dberlin@dberlin.org>
20798 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20799 return from the function.
20801 2006-01-22 Zack Weinberg <zackw@panix.com>
20803 * rtl.def (match_code): Add second argument.
20804 * genpreds.c (write_extract_subexp): New function.
20805 (write_match_code): Add path argument. Use write_extract_subexp.
20806 (write_predicate_expr): Pass path to write_match_code.
20807 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20808 not perform a mode test.
20809 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20810 a subexpression does not constrain the top-level code set.
20811 * read-rtl.c (read_rtx_variadic): New function.
20812 (read_rtx_1): Use it; allow AND and IOR to be variadic.
20813 * doc/md.texi: Document new notation.
20814 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20815 (cmpsi_operand): ... here, using new notation.
20817 2006-01-22 Zack Weinberg <zackw@panix.com>
20819 * varray.c: Remove GENERATOR_FILE #ifdefs.
20821 2006-01-22 Zack Weinberg <zackw@panix.com>
20823 * genautomata.c (output_reserved_units_table): Emit nothing if
20824 description->query_units_num is zero. Remove extra blank line.
20825 (output_cpu_unit_reservation_p): Short circuit
20826 if description->query_units_num is zero.
20828 2006-01-22 Zack Weinberg <zackw@panix.com>
20830 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
20831 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
20832 nor any of the random handful of variables that used to be necessary
20833 when this program was linked with rtlanal.o. Prune set of forward
20834 function declarations.
20835 (struct attr_desc): Remove static_p field.
20836 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20837 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20838 (attr_string): Do not read the character one past the length of
20840 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20841 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20842 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20843 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20844 (make_automaton_attrs): New.
20845 (main): Do not call into genautomata. Call local gen_bypass
20846 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
20847 Remove special case for insn_alts.
20848 * genautomata.c: Include gensupport.h; not genattrtab.h nor
20849 varray.h (leftover from previous change). Prune set of forward
20850 function declarations. Remove state_alts fields from all
20851 structures. Remove state_alts_table from struct automaton.
20852 Make everything except main static. Do not maintain num_dfa_decls.
20853 Do not maintain state_alts fields of various structures.
20854 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20855 (add_arc): Remove state_alts argument. All callers updated.
20856 (output_reserved_units_table): Emit #ifdef here...
20857 (output_tables): ...not here. Don't generate state_alts tables.
20858 (expand_automata): Don't generate attributes.
20859 (write_automata): Don't generate state_alts functions.
20860 (main): New function.
20861 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20862 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20863 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20864 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20865 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20866 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20867 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20868 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20870 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20871 * genattrtab.h: Delete file.
20872 * Makefile.in (OBJS-common): Add insn-automata.o.
20873 (insn-automata.o): New rule.
20874 (simple_generated_c): Add insn-automata.c.
20875 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20876 (genprogmd): Add automata.
20877 (build/genattrtab): Needs no extra objects nor libraries.
20878 (build/genautomata): Needs build/vec.o and -lm.
20880 2006-01-22 Zack Weinberg <zackw@panix.com>
20882 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20883 (output_dfa_max_issue_rate, locked_states_num): Delete.
20884 (struct automaton): Add locked_states field.
20885 (output_dead_lock_vect): Save number of locked states in
20886 automaton->locked_states. If it is zero, don't print anything.
20887 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20888 (output_internal_dead_lock_func): Only test the dead_lock_vect
20889 for automata that have locked states.
20890 (output_statistics): Always print the number of locked states for
20891 each automaton. Calculate total number of locked states here.
20892 (write_automata): Don't call output_dfa_max_issue_rate.
20893 * genattrtab.c: Define length_unit_log as a const variable.
20894 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20895 max_insn_queue_index const.
20896 * final.c (length_unit_log): Declare const.
20897 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20899 2006-01-22 Zack Weinberg <zackw@panix.com>
20901 * genautomata.c: Include vec.h, not varray.h.
20902 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20903 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20904 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20905 VEC_* macros operating on appropriately typed vectors, or to
20906 malloced arrays when the size is known in advance. Const-ify
20907 many char* variables and function arguments. No functional changes.
20908 * Makefile.in (build/varray.o): Delete rule.
20909 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20910 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20912 2006-01-22 Zack Weinberg <zackw@panix.com>
20914 * gensupport.c: Define get_insn_name and record_insn_name here.
20915 (read_md_rtx): Call record_insn_name as appropriate.
20916 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20917 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20918 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20920 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20921 (BUILD_VARRAY): Delete.
20922 (genprognormal): Rename genprogmd. Fold in all programs from
20923 genprognoprint; also attrtab.
20924 (build/genattrtab): Just mention genautomata.o and varray.o.
20925 Reorganize a bit, add comments to make the categories clearer.
20927 2006-01-22 Zack Weinberg <zackw@panix.com>
20929 * genconditions.c (condition_table, add_condition): Delete.
20930 (write_conditions): Don't emit n_insn_conditions nor
20931 insn_elision_unavailable. Issue the gcc version #ifdef here,
20932 inside the table, with no #else clause ...
20933 (write_header): ...not here.
20934 (write_writer): New function.
20935 (main): Don't initialize condition_table. Use add_c_test.
20937 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20938 files on the command line.
20939 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20940 Return -1 if there is no entry in the table, don't abort.
20941 (add_c_test, traverse_c_tests): New functions.
20942 * gensupport.h (insn_elision_unavailable, insn_conditions)
20943 (n_insn_conditions): Delete declarations.
20944 (add_c_test, traverse_c_tests): Declare.
20945 * read-rtl.c: Include gensupport.h.
20946 (read_conditions): New function.
20947 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20948 (read_rtx_1): If we get EOF when we were looking for an initial
20949 open paren, return 0. Call read_conditions when appropriate.
20950 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20951 dummy-conditions.o. Eliminate references to insn-conditions.o,
20952 or change them to build/gencondmd.o, as appropriate. Remove
20953 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20954 from $(simple_generated_c). For all files remaining in those
20955 two lists, add insn-conditions.md to the generator command line.
20956 Give insn-constants.h/s-constants their own rules. Add rules
20957 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20958 (build/read-rtl.o): Depend on gensupport.h.
20959 (genprognormal): Include preds.
20960 (genprogearly): Rename genprognoprint; only difference is now that
20961 they don't link with $(BUILD_PRINT).
20962 * dummy-conditions.c: Delete.
20964 2006-01-22 Zack Weinberg <zackw@panix.com>
20966 * genextract.c: Don't include insn-config.h. Do include vec.h.
20967 Declare vectors of int, char, and locstr.
20968 (locstr): New typedef.
20969 (struct extraction): Make all array fields into bare pointers.
20970 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20971 (insn_code_number): Delete.
20972 (accum_extract): New struct.
20973 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20974 (gen_insn): Take insn_code_number as an argument. Use an
20975 accum_extract structure instead of loading data directly into
20976 a struct extraction, and having to know how big it might get.
20977 (walk_rtx): Operate entirely on an accum_extract structure.
20978 (print_path): Avoid unnecessary use of printf.
20979 (print_header): New function, split out of main. Distinguish
20980 more carefully between an unrecognizable insn and an insn that
20981 has the code number of a define_expand.
20982 (main): Pass insn_code_number to gen_insn. Call print_header
20983 only after parsing. Avoid unnecessary use of printf.
20984 * Makefile.in (build/vec.o): New rule.
20985 (build/genextract): Depend on build/vec.o.
20986 (build/genextract.o): Don't depend on insn-config.h.
20988 2006-01-22 Zack Weinberg <zackw@panix.com>
20990 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20991 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20992 practical. Eliminate per-generator-program link rules.
20994 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20996 PR middle-end/24437
20997 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20998 with a call expr to ...
20999 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
21001 2006-01-23 Richard Guenther <rguenther@suse.de>
21003 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
21004 before make_edge with conditional EDGE_TRUE_VALUE.
21006 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
21007 Jan Hubicka <jh@suse.cz>
21008 Richard Guenther <rguenther@suse.de>
21010 PR rtl-optimization/25654
21011 * cfgexpand.c (aggregate_contains_union_type): New function.
21012 (add_alias_set_conflicts): Call it. Make sure to add conflicts
21013 for structure variables that contain a union type.
21015 2006-01-23 Richard Sandiford <richard@codesourcery.com>
21017 * gengtype.c (new_structure): Return the structure.
21018 (create_option): Add an extra "next" argument.
21019 (create_field): New function.
21020 (adjust_field_rtx_def): Use create_option and create_field.
21021 Remove a now-unnecessary call to find_structure.
21022 (adjust_field_tree_def): Likewise.
21023 (note_yacc_type): Remove an unnecessary call to find_structure.
21024 * gengtype.h (new_structure): Return the structure.
21025 (create_option): Add an extra argument.
21026 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
21027 (option): Adjust calls to create_option.
21029 2006-01-22 David Edelsohn <edelsohn@gnu.org>
21031 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
21033 2006-01-22 Paul Brook <paul@codesourcery.com>
21034 Peter Barada <peter@the-baradas.com>
21036 * config/m68k/m68k.md: Add Coldfire FPU support.
21037 Define FP mode macro and associated attributes.
21038 Use it for float mode patterns.
21039 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
21040 (LIBCALL_VALUE): Use m68k_libcall_value.
21041 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
21042 (m68k_function_value): Ditto.
21043 (emit_move_sequence): Ditto.
21044 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
21045 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
21046 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
21047 (MULTILIB_EXCEPTIONS): Ditto.
21048 * config/m68k/m68k.opt: Add mcfv4e.
21049 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
21050 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
21051 (m68k_output_function_prologue): Save ColdFire FPU registers.
21052 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
21053 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
21054 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
21055 ColdFire FPU registers.
21056 (m68k_libcall_value, m68k_function_value): New functions.
21057 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
21058 (LIBCALL_VALUE): Use m68k_libcall_value.
21059 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
21060 (MASK_COLDFIRE): Add MASK_CFV4E.
21061 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
21062 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
21063 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
21064 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
21065 (GO_IF_LEGITIMATE_ADDRESS): Use it.
21066 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
21067 * doc/invoke.tex: Document -mcfv4e on m68k.
21069 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
21071 * doc/contribute.texi: Change CVS to SVN and update the corresponding
21074 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
21077 * c-opts.c (c_common_handle_option): Don't include
21078 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
21079 * doc/invoke.texi (C++ Dialect Options): Document that
21080 -Wnon-virtual-dtor is no longer included in -Wall.
21082 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
21084 * gcov.c (print_version), gcov-dump.c (print_version),
21085 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
21088 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
21090 * df-scan.c (problem_SCAN): Added NULL reset function.
21091 (df_scan_reset_blocks): Added code to call reset block function
21092 (df_bb_refs_delete) Fixed comment.
21093 (df_insn_refs_delete): Made tolerant of deleting non existent info
21094 for dataflow problems that need to be reset.
21095 * df-core.c (df_set_blocks): Ditto.
21096 * df.h (struct df_problem): Added reset_fun.
21097 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
21098 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
21099 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
21100 functions to clear out all references to def-use or use-def chains.
21102 2006-01-21 Ben Elliston <bje@au.ibm.com>
21104 * varasm.c (assemble_real): Initialise data array.
21106 2006-01-20 Paul Brook <paul@codesourcery.com>
21108 Merge from csl-arm-branch.
21109 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
21110 * config/arm/arm.md (movdi): Force operands[1] to a register
21111 if we have a non-register source.
21112 (*arm_movdi, *movdf_soft_insn): Require that one of the
21113 operands be a register.
21114 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
21115 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
21117 2006-01-20 DJ Delorie <dj@redhat.com>
21119 * varasm.c (initializer_constant_valid_p): Allow pointers
21120 initialized from integer constants of lesser precision.
21121 (output_constant): Allow non-int-sized pointer modes to be
21122 initialized from integer constants.
21124 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
21127 * cppdefault.h (struct default_include): Add multilib flag.
21128 * cppdefault.c (cpp_include_defaults): Set it.
21129 * c.opt (-imultilib): New option.
21130 * c-opts.c (imultilib): New.
21131 (c_common_handle_option): Handle -imultilib.
21132 (c_common_post_options): Likewise.
21133 * c-incpath.c (add_standard_paths, register_include_chains):
21135 * c-incpath.h (register_include_chains): Add extra parameter.
21136 * gcc.c (do_spec_1): Generate -imultilib option.
21137 (The Specs Language): Update %I description.
21138 (process_command): Update copyright notice.
21139 * doc/cppopts.texi (-imultilib): Document.
21140 * doc/invoke.texi (-imultilib): Include in option summary.
21141 (%I): Update specs documentation.
21143 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
21145 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
21147 2006-01-20 Richard Sandiford <richard@codesourcery.com>
21149 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
21152 2006-01-20 Richard Guenther <rguenther@suse.de>
21153 Steven Bosscher <stevenb.gcc@gmail.com>
21155 PR rtl-optimization/24626
21156 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
21157 EDGE_TRUE_VALUE if in RTL mode.
21160 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
21161 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
21163 2006-01-20 Dirk Mueller <dmueller@suse.com>
21166 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
21167 instead of a special NOP marker.
21168 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
21169 NOP marker handling.
21170 * c-common.h (empty_body_warning): Add forward declaration.
21171 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
21172 Now uses IS_EMPTY_STMT() instead of special NOP markers.
21174 2006-01-20 Paul Brook <paul@codesourcery.com>
21176 * Makefile.in (lang_checks): Keep going if mkdir fails.
21178 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
21180 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
21181 be able to clean out basic block when not necessary.
21182 (df_scan_free): Fixed to properly delete information if df is
21183 unused before calling df_finish.
21184 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
21185 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
21187 (df_bb_refs_delete): New function.
21188 (df_refs_delete): Moved per block code to df_bb_refs_delete.
21189 * df-core.c (df_set_blocks): Added code to properly clean out
21190 unused blocks if they are not part of the blocks to consider.
21191 Added additional null check.
21192 (df_compact_blocks): Added basic block parameter to free_bb_fun to
21193 be able to clean out basic block when not necessary
21194 * df.h (df_free_bb_function): Ditto.
21195 (df_bb_refs_delete): New function.
21196 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
21197 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
21198 basic block parameter to be able to clean out basic block when not
21200 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
21201 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
21202 Fixed to properly delete information if df is unused before
21205 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
21207 PR rtl-optimization/25799
21208 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
21209 Corrected confluence operator to remove bits from op2 before oring
21210 with op1 rather than removing bits from op1.
21211 (df_ru_transfer_function): Corrected test on wrong bitmap which
21212 caused infinite loop. Both of these problems were introduced in
21213 the dataflow rewrite.
21215 2006-01-19 DJ Delorie <dj@redhat.com>
21217 * reload1.c (find_reload_regs): Note the details of reload
21218 failures in the dump file.
21219 (spill_failure): Likewise.
21221 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
21223 * loop-iv.c: Include df.h and hashtab.h.
21224 (enum iv_grd_result): New enum.
21225 (DF_REF_IV, DF_REF_IV_SET): New macros.
21226 (struct biv_entry): New.
21227 (df, bivs): New global variables.
21228 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
21229 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
21231 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
21232 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
21233 analyzed_for_bivness_p, record_biv): New functions.
21234 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
21235 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
21236 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
21238 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
21240 (iv_number_of_iterations): Use new interface to iv analysis.
21241 * loop-unroll.c: Do not include varray.h.
21242 (analyze_iv_to_split_insn): Use new interface to iv
21244 * loop-unswitch.c (may_unswitch_on): Ditto.
21245 * df.c (df_bitmaps_free): Only work for bbs for that structures are
21247 (df_bb_modify): Realloc tables to the new index.
21248 (df_find_use): New function.
21249 * df.h (df_find_use): Declare.
21250 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
21252 * cfgloop.h (struct rtx_iv): Remove analysed field.
21253 (iv_get_reaching_def): Removed.
21254 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
21255 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
21256 (loop-iv.o): Add df.h and hashtab.h dependency.
21257 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
21259 2006-01-20 Alan Modra <amodra@bigpond.net.au>
21262 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
21264 (__floatundisf, __floatundidf): Likewise.
21265 * libgcc2.h (IS_IBM_EXTENDED): Define.
21267 2006-01-19 DJ Delorie <dj@redhat.com>
21269 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
21271 2006-01-19 Paul Brook <paul@codesourcery.com>
21273 * config/arm/arm.c (arm_compute_func_type): Treat all functions
21274 as nothrow when unwinding tables are disabled.
21276 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21279 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
21280 of bit-field" when in system header.
21282 2006-01-19 DJ Delorie <dj@redhat.com>
21284 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
21285 the 16 bit shift limit of the m16c.
21287 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
21290 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
21291 * config/i386/i386.c (output_set_got): Output the label if we have one
21292 for the TARGET_DEEP_BRANCH_PREDICTION case.
21294 2006-01-19 Jan Hubicka <jh@suse.cz>
21295 H.J. Lu <hongjiu.lu@intel.com>
21296 Evandro Menezes <evandro.menezes@amd.com>
21298 * invoke.texi (generic): Document
21300 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
21301 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
21302 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
21303 (x86_use_incdec, x86_pad_returns): New variables
21304 (TARGET_CPU_DEFAULT_generic): New constant
21305 (TARGET_CPU_DEFAULT_NAMES): Add generic.
21306 (enum processor_type): Add generic32 and generic64.
21307 * i386.md (cpu attribute): Add generic32/generic64
21308 (movhi splitter): Behave sanely when both partial_reg_dependency and
21309 partial_reg_stall are set.
21310 (K8 splitters): Enable for generic as well.
21311 * predicates.md (incdec_operand): Use TARGET_INCDEC
21312 (aligned_operand): Avoid memory mismatch stalls.
21313 * athlon.md: Enable for generic64, new patterns for 128bit moves.
21314 * ppro.md: Enable for generic32
21315 * i386.c (generic64_cost, generic32_cost): New.
21316 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
21317 (x86_use_leave): Enable for generic64. (x86_use_sahf,
21318 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
21319 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
21320 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
21321 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21322 x86_partial_reg_dependency, x86_memory_mismatch_stall,
21323 x86_accumulate_outgoing_args, x86_prologue_using_move,
21324 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
21325 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
21326 Enable for generic.
21327 (x86_use_incdec, x86_pad_returns): New.
21328 (override_options): Add generic32 and generic64, translate "generic"
21329 to generic32/generic64 and "i686" to "generic32", refuse
21330 "generic32"/"generic64" as arch target.
21331 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
21332 (ix86_reorg): Honor PAD_RETURNS.
21334 2006-01-19 Diego Novillo <dnovillo@redhat.com>
21336 * tree-pretty-print.c (dump_generic_node): Handle
21337 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
21338 * cgraph.c (cgraph_expand_queue): Rename from
21339 cgraph_analyze_queue. Update all users.
21340 * cgraphunit.c (cgraph_assemble_pending_functions): Process
21341 cgraph_expand_queue.
21342 (cgraph_expand_all_functions): Likewise.
21343 (cgraph_finalize_pending_functions): Remove. Update callers.
21345 * tree.h (OMP_DIRECTIVE_P): Define.
21346 (OMP_PARALLEL_FN): Define.
21347 (OMP_PARALLEL_DATA_ARG): Define.
21348 (OMP_SECTIONS_SECTIONS): Define.
21349 * tree-pass.h (pass_expand_omp): Declare.
21350 * omp-low.c (struct omp_region): Declare.
21351 (struct omp_context): Remove fields 'parallel_type',
21352 'parallel_start_ix' and 'parallel_start_additional_args'.
21354 (struct omp_for_data): Rename from struct expand_omp_for_data.
21355 (omp_regions): New static variable.
21356 (root_omp_region): New static variable.
21357 (find_omp_clause): Make static.
21358 (is_in_combined_parallel_ctx): Remove.
21359 (is_combined_parallel): New.
21360 (extract_omp_for_data): Move earlier in the file.
21361 (workshare_safe_to_combine_p): New.
21362 (get_ws_args_for): New.
21363 (determine_parallel_type): Move earlier in the file.
21364 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
21366 (omp_copy_decl): Likewise.
21367 (create_omp_child_function): Likewise.
21368 (lookup_omp_region): New.
21369 (dump_omp_region): New.
21370 (debug_omp_region): New.
21371 (debug_all_omp_regions): New.
21372 (new_omp_region): New.
21373 (scan_omp_parallel): If parallel_nesting_level > 1, the
21374 directive is nested within another parallel directive.
21375 Set OMP_PARALLEL_FN.
21376 (scan_omp_for): Do not try to handle combined parallel+for
21378 Remove FIXME comment.
21379 (scan_omp_nested): Remove.
21380 (scan_omp_1): Do not call scan_omp_nested when
21381 parallel_nesting_level is > 1.
21382 Do not change the DECL_CONTEXT of local variables found.
21383 (lookup_decl_in_outer_ctx): New.
21384 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
21385 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
21386 (lower_reduction_clauses): Rename from expand_reduction_clauses.
21387 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
21388 If CTX is nested, lookup VAR in the outer context when
21389 building copy assignment.
21390 (lower_send_clauses): Rename from expand_send_clauses.
21391 If CTX is nested, lookup VAR in the outer context when
21392 building copy assignments.
21393 (lower_send_shared_vars): Rename from expand_send_shared_vars.
21394 If CTX is nested, lookup VAR in the outer context when
21395 building copy assignments.
21396 (expand_parallel_call): Rename from build_parallel_call.
21397 Handle combined parallel+workshare cases.
21398 Re-implement to emit code into the CFG.
21400 (expand_omp_parallel): Re-implement to emit code into the CFG.
21401 Call move_sese_region_to_fn to outline the sub-graph
21402 containing the parallel region.
21403 (expand_omp_for_1): Remove.
21404 (expand_omp_for_generic): Re-implement to emit code into the
21406 (expand_omp_for_static_nochunk): Likewise.
21407 (expand_omp_for_static_chunk): Likewise.
21408 (expand_omp_for): Likewise.
21409 (expand_omp_sections): Likewise.
21410 (remove_exit_barriers): New.
21411 (expand_omp_synch): New.
21413 (build_omp_regions_1): New.
21414 (build_omp_regions): New.
21415 (execute_expand_omp): New.
21416 (gate_expand_omp): New.
21417 (pass_expand_omp): Define.
21418 (lower_omp_sections): Rename from expand_omp_sections.
21419 Set OMP_SECTIONS_SECTIONS.
21420 (lower_omp_single_simple): Rename from expand_omp_single_simple.
21421 (lower_omp_single_copy): Rename from expand_omp_single_copy.
21422 (lower_omp_single): Rename from expand_omp_simple.
21423 (lower_omp_master): Rename from expand_omp_master.
21424 (lower_omp_ordered): Rename from expand_omp_ordered.
21425 (lower_omp_critical): Rename from expand_omp_critical.
21426 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
21427 (lower_omp_for): Re-implement.
21428 (lower_omp_parallel): Re-implement.
21429 (lower_regimplify): Rename from expand_regimplify.
21430 (lower_omp_1): Rename from expand_omp_1.
21431 If there are syntax errors in the program, replace every
21432 OpenMP directive with NOP.
21433 Call lower_omp_* instead of expand_omp_*.
21434 (lower_omp): Rename from expand_omp.
21436 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
21437 * tree-gimple.h (enum omp_parallel_type): Remove.
21438 (gimple_boolify): Declare extern.
21439 (find_omp_clause, determine_parallel_type): Remove.
21441 * gimple-low.c (lower_omp_directive): New.
21442 (lower_stmt): Call it.
21443 (record_vars_into): Move from ...
21444 (record_vars): ... here.
21445 Call record_vars_into with current_function_decl.
21447 * gimplify.c (struct gimplify_ctx): Remove fields
21448 combined_pre_p and combined_ctxp. Update users.
21449 (get_formal_tmp_var): Add documentation.
21450 (gimple_boolify): Make extern.
21451 (gimplify_expr_in_ctx): Remove. Update callers.
21452 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
21453 will always be a BIND_EXPR.
21454 (gimplify_expr): Handle OMP_RETURN_EXPR.
21455 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
21456 (OMP_PARALLEL): Add 3 operands.
21457 (OMP_SECTIONS): Add 1 operand.
21458 (OMP_RETURN_EXPR): Define.
21460 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
21461 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
21462 * tree-iterator.c (alloc_stmt_list): Assert that we are not
21463 creating a circular free list.
21464 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
21466 * tree-flow.h (move_sese_region_to_fn): Declare.
21467 (record_vars_into): Declare.
21468 * tree-cfg.c (make_omp_sections_edges): New.
21469 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
21470 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
21471 OMP_SECTIONS and OMP_SECTION.
21472 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
21473 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
21474 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
21475 (gather_blocks_in_sese_region): New.
21476 (struct move_stmt_d): Declare.
21477 (move_stmt_r): New.
21478 (move_block_to_fn): New.
21479 (move_sese_region_to_fn): New.
21481 * passes.c (init_optimization_passes): Schedule
21482 pass_expand_omp after pass_init_datastructures.
21484 * tree-ssa-operands.c (get_expr_operands): Handle
21485 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
21486 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
21488 2006-01-19 Jeff Law <law@redhat.com>
21490 * tree-vrp.c (extract_range_from_assert): Refine the result range
21491 if the variable referenced by the ASSERT_EXPR has a range and
21492 either the tentative result range or the previous range is a
21495 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21497 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
21499 2006-01-19 Jan Hubicka <jh@suse.cz>
21501 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
21503 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
21505 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
21506 (expand_compound_operation, expand_field_assignment): Fail if the
21507 bit lengths of an extract operation are out of range.
21508 (make_extraction): Compute wanted_inner_mode based on the position
21509 and length of the extraction. Make it extraction_mode for non-constant
21510 positions, and do not modify offset in that case. When generating a
21511 new MEM, use a mode that can hold the extraction while keeping correct
21512 alignment. Remove code that supported MEMs wrapped by USEs.
21513 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
21515 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
21517 * config/s390/s390.md ("Y", "y"): New mode attribute.
21518 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21519 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21520 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21521 "*addsi3_imm_cc", "*addsi3_carry1_cc",
21522 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21523 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21524 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21525 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21526 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21527 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21528 "addsi3", "subsi3"): Insn patterns removed.
21529 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
21530 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
21531 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
21532 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
21533 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
21534 "*sub<mode>3_cconly2"): New insn patterns.
21535 ("addsi3", "subsi3"): New expanders.
21537 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
21539 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
21540 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21541 existing STMT_VINFO_VECTYPE if available.
21542 (vect_mark_relevant): Add special handling for stmts that are
21543 marked as STMT_VINFO_IN_PATTERN_P.
21544 (vect_analyze_loop): Call vect_pattern_recog.
21545 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21546 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21548 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21549 (vect_recog_func_ptr): New function-pointer type.
21550 * tree-vect-patterns.c: New file.
21551 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21552 (vect_recog_dot_prod_pattern, vect_pattern_recog):
21553 (vect_pattern_recog_1): New functions.
21554 (vect_pattern_recog_funcs): New array of function pointers.
21556 * tree-vectorizer.h (ternary_op): New enum value.
21557 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21558 declaration. Revised documentation. Removed redundant dump prints.
21559 Removed redundant argument. Added support for reduction patterns.
21560 (vectorizable_reduction): Added support for reduction patterns.
21561 (vect_transform_stmt): Added support for patterns.
21563 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21564 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21565 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21566 (expand_widen_pattern_expr): New function.
21567 (init_optabs): Initialize new optabs udot_prod_optab,
21569 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21570 (sdot_prod_optab, udot_prod_optab): Define new optabs.
21571 (expand_widen_pattern_expr): New function declaration.
21572 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21574 * tree-inline.c (estimate_num_insns_1): Added cases for new
21575 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21576 * tree-pretty-print.c (dump_generic_node): Likewise.
21577 (op_prio): Likewise.
21578 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21579 * tree-ssa-operands.c (get_expr_operands): Added case for
21581 * tree-vect-patterns.c (widened_name_p): New function.
21582 (vect_recog_dot_prod_pattern): Added function implementation.
21583 * tree-vect-transform.c (get_initial_def_for_reduction): Added
21584 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21585 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21586 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21588 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21589 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21590 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21591 (init_optabs): Initialize new optabs widen_ssum_optab,
21593 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21594 (widen_ssum_optab, widen_usum_optab): Define new optabs.
21595 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21596 use instead of type of def.
21597 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21598 function implementation.
21599 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21600 widen_ssumv8hi): New.
21602 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21605 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21608 * c-decl.c (add_flexible_array_elts_to_size): New function.
21609 (finish_decl): Use it.
21611 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
21613 * diagnostic.h: Include options.h.
21614 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21615 dependancies for diagnostic.h.
21616 * Makefile.in (DIAGNOSTIC_H): Add options.h.
21618 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
21620 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21621 (ssa_ro_call_cache_valid): Ditto.
21622 * tree-ssa-alias.c (sort_tags_by_id): New function.
21623 (init_transitive_clobber_worklist): Ditto.
21624 (add_to_worklist): Ditto.
21625 (mark_aliases_call_clobbered): Ditto.
21626 (compute_tag_properties): Ditto.
21627 (set_initial_properties): Ditto.
21628 (compute_call_clobbered): Ditto.
21629 (compute_may_aliases): Call compute_call_clobbered and grouping.
21630 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21631 (compute_flow_insensitive_aliasing): Grouping now happens in our
21633 (setup_pointers_and_addressables): Remove clobbering related code.
21634 (add_may_alias): Ditto.
21635 (replace_may_alias): Ditto.
21636 (get_nmt_for): Ditto.
21637 (create_global_var):
21638 (is_escape_site): Return an escape_type enumeration.
21639 * tree-flow-inline.h (is_call_clobbered): Global var does not
21640 imply call clobbered.
21641 (mark_call_clobbered): Take a reason for marking this. Remove
21642 marking of globalness, and cache invalidation.
21643 (clear_call_clobbered): Remove cache invalidation code.
21644 * tree-dfa.c (dump_variable): If details is on, dump the reason
21646 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21648 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21649 (struct var_ann_d): Ditto.
21650 (enum escape_type): New.
21651 (mark_call_clobbered): Adjust prototype.
21652 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21653 are never call clobbered.
21654 Record reasons for escaping.
21655 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21656 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21657 (ssa_ro_call_cache_valid): Ditto.
21658 (clobbered_v_may_defs): Ditto.
21659 (clobbered_vuses): Ditto.
21660 (ro_call_vuses): Ditto.
21661 (clobber_stats): New.
21662 (init_ssa_operands): Zero out clobber stats.
21663 (fini_ssa_operands): Print out clobber stats.
21664 (get_call_expr_operands): Pass callee fndecl to
21665 add_call_read_ops).
21666 (add_call_clobber_ops): Remove use of cache.
21667 Add use of PURE_CONST information.
21668 (add_call_read_ops): Remove use of cache.
21669 Add use of static not_read information.
21671 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21673 Introduce TLS descriptors for i386 and x86_64.
21674 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21675 (TARGET_ANY_GNU_TLS): New macro.
21676 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21677 (struct machine_function): Add tls_descriptor_call_expanded_p.
21678 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21679 (ix86_current_function_calls_tls_descriptor): Likewise.
21680 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21681 (override_options): Introduce gnu2 tls dialect.
21682 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21684 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21686 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21687 (ix86_init_machine_status): Initialize new field.
21688 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21689 (ix86_tls_module_base): New.
21690 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21691 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21692 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21693 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21694 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21695 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21696 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21697 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21698 * config/i386/predicates.md (tls_modbase_operand): New.
21699 (tp_or_register_operand): New.
21701 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21703 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21704 (look_for_address_of): Ditto.
21705 (ipa_init): Walk the function decls.
21706 (static_execute): Don't set readonly on FUNCTION_DECL's.
21708 2006-01-18 Roger Sayle <roger@eyesopen.com>
21710 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21711 for shifts where the source and destination registers are different.
21713 2006-01-18 Paul Brook <paul@codesourcery.com>
21715 Merge from csl-arm-branch.
21716 2005-03-14 Julian Brown <julian@codesourcery.com>
21717 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21718 (aeabi_llsl): Likewise.
21719 (ashrdi3): Likewise.
21720 (aeabi_lasr): Likewise.
21721 (lshrdi3): Likewise.
21722 (aeabi_llsr): Likewise.
21723 2005-03-10 Julian Brown <julian@codesourcery.com>
21724 * config.gcc: Disable shared libgcc for SymbianOS.
21725 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21727 2006-01-18 DJ Delorie <dj@redhat.com>
21729 * c-pragma.c (handle_pragma_diagnostic): New.
21730 (init_pragma): Register it.
21731 * doc/extend.texi: Document it.
21733 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21734 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21735 (diagnostic_context): Add classify_diagnostic[].
21736 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21737 as errors if they're overridden to DK_WARNING.
21738 (diagnostic_initialize): Initialize classify_diagnostic[].
21739 (diagnostic_set_kind_override): New.
21740 (diagnostic_report_diagnostic): Check for kind changes.
21741 * opts.c (common_handle_option): Take lang_mask. Update callers.
21742 Handle OPT_Werror_.
21743 * common.opt (Werror=): New.
21744 * doc/invoke.texi: Document -Werror=*
21746 2006-01-18 Jeff Law <law@redhat.com>
21748 * tree-vrp.c (test_for_singularity): Correct test for new
21749 min limit. Use operand_equal_p rather than pointer equality
21750 for testing if new min/max values are equal.
21752 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21753 using range information until after propagation and folding.
21755 2006-01-18 Richard Henderson <rth@redhat.com>
21756 Aldy Hernandez <aldyh@redhat.com>
21757 Jakub Jelinek <jakub@redhat.com>
21758 Diego Novillo <dnovillo@redhat.com>
21760 * omp-low.c: New file.
21761 * c-omp.c: New file.
21763 2006-01-18 Richard Henderson <rth@redhat.com>
21764 Jakub Jelinek <jakub@redhat.com>
21765 Diego Novillo <dnovillo@redhat.com>
21767 * doc/invoke.texi: Document -fopenmp.
21768 * tree-dump.h (debug_function): Declare.
21769 * hooks.c (hook_bool_tree_bool_false): New function.
21770 (hook_tree_tree_null): Remove.
21771 (hook_tree_tree_tree_null): New.
21772 * hooks.h: Update to match.
21773 * tree-pretty-print.c (debug_tree_chain): New.
21774 (print_generic_expr): Handle TDF_CHAIN.
21775 (dump_generic_node): Handle BLOCK.
21776 Do not abort with incomplete SWITCH_EXPRs.
21777 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21778 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21779 print space after directive name.
21780 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21781 Handle OMP_MASTER and OMP_ORDERED.
21782 Handle printing of OMP_BODY just in one place, goto
21783 dump_omp_body in the rest of OMP_* nodes that have
21785 Don't handle clause nodes here. Update omp statements to
21786 use dump_omp_clauses.
21787 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21788 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21789 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21790 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21791 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21792 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21793 Adjust output for GOMP_PARALLEL.
21794 (dump_omp_clauses): New.
21795 (print_declaration): Dump DECL_VALUE_EXPR.
21796 (op_symbol_1): Split out of op_symbol.
21797 (dumping_stmts): Remove. Update all users.
21798 * cgraph.c (cgraph_analyze_queue): New.
21799 (cgraph_add_new_function): New.
21800 * cgraph.h (cgraph_analyze_queue): Declare.
21801 (cgraph_add_new_function): Declare.
21802 (cgraph_lower_function): Remove.
21803 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21804 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21805 and TYPE_P nodes in its default clause.
21806 (empty_body_p): New.
21807 (tree_range_check_failed): New.
21808 (build5_stat): New.
21809 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21810 OMP_CLAUSE_REDUCTION_MERGE,
21811 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21812 OMP_CLAUSE_PRIVATE_DEBUG,
21813 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21814 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21815 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21816 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21817 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21818 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21819 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21820 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21821 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21822 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21823 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21824 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21825 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21826 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21827 (TREE_RANGE_CHECK): New.
21828 (empty_body_p): Declare.
21829 (enum omp_clause_default_kind): New.
21830 (build_string_literal): Declare.
21831 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21832 (build5_stat, build5): Declare.
21833 * tree-pass.h (TDF_CHAIN): Define.
21834 * tree-pass.h (PROP_gimple_lomp): Define.
21835 (pass_lower_omp): Declare.
21836 * diagnostic.h (debug_tree_chain): Declare.
21837 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21839 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21840 * builtins.c (build_string_literal): Make extern.
21841 * gcc.c (include_spec_function): New.
21842 (static_spec_functions): Add it.
21843 (main): Move load of libgomp.spec ...
21844 (LINK_COMMAND_SPEC): ... here.
21845 (link_gomp_spec): New.
21846 (static_specs): Include it.
21847 (LINK_COMMAND_SPEC): Add link_gomp.
21848 (GOMP_SELF_SPECS): New.
21849 (driver_self_specs): Include it.
21850 (switch_matches): Don't mark inline.
21851 (main): Load libgomp.spec.
21852 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21853 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21854 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21855 * tree-gimple.h (enum omp_parallel): Declare.
21856 (determine_parallel_type): Declare.
21857 (omp_firstprivatize_variable): Declare.
21858 (omp_reduction_init): Declare.
21859 (diagnose_omp_structured_block_errors): Declare.
21860 (struct walk_stmt_info): Add want_return_expr.
21861 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21862 (find_omp_clause): Declare.
21863 (insert_field_into_struct): Declare.
21864 (struct walk_stmt_info): Move from tree-nested.c
21865 (walk_stmts): Declare.
21866 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21868 * cgraphunit.c (cgraph_lower_function): Make static.
21869 (cgraph_finalize_pending_functions): New.
21870 (cgraph_finalize_function): Call it.
21871 (cgraph_finalize_compilation_unit): Likewise.
21872 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21873 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21874 (BT_FN_UINT_UINT): New.
21875 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21876 DEF_FUNCTION_TYPE_VAR_4): Document.
21877 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21878 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21879 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21880 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21881 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21882 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21883 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21884 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21885 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21886 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21887 into separate files.
21888 (DEF_GOMP_BUILTIN): New.
21889 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21890 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21891 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21892 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21893 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21894 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21895 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21896 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21897 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21898 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21899 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21900 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21901 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21902 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21903 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21904 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21905 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21906 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21907 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21908 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21909 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21910 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21911 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21912 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21913 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21914 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21915 * sync-builtins.def: New file, moved from builtins.def.
21916 * omp-builtins.def: New file, moved from builtins.def.
21917 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21918 * gimple-low.c (lower_function_body): Clear data.
21919 (lower_stmt): Do not handle COMPOUND_EXPR.
21920 Remove call to print_node_brief.
21921 * c-tree.h (c_finish_omp_clauses): New prototype.
21922 (C_DECL_THREADPRIVATE_P): Define.
21923 (lookup_name_no_remap, c_omp_remap_private): Remove
21924 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21925 (check_for_loop_decls): Update decl.
21926 (lookup_name_no_remap, c_omp_remap_private): Declare.
21927 (build_indirect_ref, build_modify_expr, pushdecl,
21928 pushdecl_top_level): Move to c-common.h.
21929 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21930 before the switch, but just in the 2 places that need it.
21931 * c-decl.c (diagnose_mismatched_decls): Do not check for
21932 mismatched thread-local attributes when OLDDECL is marked
21933 threadprivate and NEWDECL has no thread-local attributes.
21934 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21935 (c_gimple_diagnostics_recursively): Rename from
21936 c_warn_unused_result_recursively. Invoke
21937 diagnose_omp_structured_block_errors.
21938 (check_for_loop_decls): Return a singular decl found.
21939 * langhooks.c (lhd_omp_predetermined_sharing): Return
21940 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21941 (lhd_omp_firstprivatize_type_sizes): New.
21942 (lhd_omp_assignment): New.
21943 (lhd_omp_predetermined_sharing): New.
21944 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21945 (struct lang_hooks_for_types): Add
21946 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21947 omp_predetermined_sharing, omp_disregard_value_expr,
21948 omp_private_debug_clause, omp_clause_default_ctor,
21949 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21950 (c_finish_omp_clauses): New.
21951 (c_finish_bc_stmt): Diagnose break within omp for.
21952 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21953 (build_unary_op): Return error_mark after reporting
21955 (build_modify_expr): Likewise.
21956 * gimplify.c: Include optabs.h and pointer-set.h.
21957 (enum gimplify_omp_var_data): Declare.
21958 (struct gimplify_omp_ctx): Declare.
21959 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21961 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21962 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21963 (splay_tree_compare_decl_uid): New.
21964 (new_omp_context): New.
21965 (delete_omp_context): New.
21966 (gimple_add_tmp_var): Call omp_add_variable.
21967 (gimplify_bind_expr): Likewise.
21968 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21969 true, disregard DECL_VALUE_EXPR on the decl if any.
21970 (gimplify_expr_in_ctx): New.
21971 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21972 omp_add_variable, omp_notice_variable, omp_is_private
21973 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21974 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21975 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21976 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21977 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21978 gimplify_omp_atomic): New.
21979 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21980 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21981 OMP_CRITICAL and OMP_ATOMIC.
21982 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21983 * c-pragma.h (enum pragma_kind): Add
21984 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21985 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21986 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21987 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21988 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21989 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21990 PRAGMA_OMP_THREADPRIVATE.
21991 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21992 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21993 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21994 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21995 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21996 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21997 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21998 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21999 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
22000 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
22001 * tree-ssa-dce.c (find_control_dependence): Do not assume that
22002 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
22003 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
22005 (struct nesting_info): Add field_map,
22006 suppress_expansion, debug_var_chain.
22007 (create_nesting_tree): Initialize them.
22008 (lookup_field_for_decl): Use field_map.
22009 (get_nonlocal_debug_decl, get_local_debug_decl): New.
22010 (convert_local_omp_clauses): New.
22011 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
22012 (walk_body): Split out of walk_function.
22013 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
22014 (convert_nonlocal_reference): Handle omp statements.
22015 (convert_local_reference): Likewise.
22016 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
22017 (unnest_nesting_tree): New.
22018 (lower_nested_functions): Call it.
22019 (insert_field_into_struct): Make extern.
22020 (struct walk_stmt_info): Move to tree-gimple.h.
22021 (walk_stmts): Make extern.
22022 * omp-builtins.def: New file.
22023 * tree-iterator.c (expr_only): Clarify comment.
22024 * c-common.h (pushdecl_top_level, pushdecl,
22025 build_modify_expr, build_indirect_ref,
22026 c_finish_omp_master, c_finish_omp_critical,
22027 c_finish_omp_ordered, c_finish_omp_barrier,
22028 c_finish_omp_atomic, c_finish_omp_flush,
22029 c_finish_omp_for, c_split_parallel_clauses,
22030 omp_clause_default_kind, c_omp_sharing_predetermined,
22031 c_omp_remap_decl): Declare.
22032 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
22033 (OBJS-common): Add omp-low.o.
22034 (c-omp.o, omp-low.o): Add.
22035 (gimplify.o): Add dependency on $(OPTABS_H).
22036 (GTFILES): Add omp-low.c.
22037 (gt-stringpool.h): Add.
22038 * tree-cfg.c (set_bb_for_stmt): Do not update the
22039 block-to-labels map if we are currently expanding to RTL.
22040 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
22042 Handle IDENTIFIER_NODE.
22043 (tree_verify_flow_info): Do not ICE when emitting error
22044 messages about invalid labels.
22045 (dump_function_to_file): Reset CFUN before emitting the body
22047 (debug_function): New.
22048 * passes.c (init_optimization_passes): Schedule
22050 * langhooks-def.h (lhd_omp_predetermined_sharing,
22051 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
22053 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
22054 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
22055 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
22056 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
22057 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
22058 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
22059 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
22060 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
22061 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
22062 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
22063 (LANG_HOOK_DECLS): Use them.
22065 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
22066 Richard Henderson <rth@redhat.com>
22067 Jakub Jelinek <jakub@redhat.com>
22068 Diego Novillo <dnovillo@redhat.com>
22070 * c-parser.c (pragma_omp_clause): Define.
22071 (c_parser_declaration_or_fndef): Document OpenMP syntax.
22072 (c_parser_compound_statement): Likewise.
22073 (c_parser_statement): Likewise.
22074 (c_parser_pragma): Handle omp pragmas.
22075 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
22076 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
22077 (c_parser_omp_clause_name, check_no_duplicate_clause,
22078 c_parser_omp_variable_list,
22079 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
22080 c_parser_omp_clause_copyprivate,
22081 c_parser_omp_clause_default,
22082 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
22083 c_parser_omp_clause_lastprivate,
22084 c_parser_omp_clause_nowait,
22085 c_parser_omp_clause_num_threads,
22086 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
22087 c_parser_omp_clause_reduction,
22088 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
22089 c_parser_omp_all_clauses, c_parser_omp_structured_block,
22090 c_parser_omp_atomic, c_parser_omp_barrier,
22091 c_parser_omp_critical, c_parser_omp_flush,
22092 c_parser_omp_for_loop, c_parser_omp_for,
22093 c_parser_omp_master, c_parser_omp_ordered,
22094 c_parser_omp_sections_scope, c_parser_omp_sections,
22095 c_parser_omp_parallel, c_parser_omp_single,
22096 c_parser_omp_construct, c_parser_omp_threadprivate): New.
22097 * c-pragma.c (init_pragma): Do omp pragma registration here.
22098 * c.opt (fopenmp): New flag.
22100 2006-01-18 Eric Christopher <echristo@apple.com>
22102 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
22103 * config/darwin.h (GOMP_SELF_SPECS): Define.
22105 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22107 * rtl.h: Remove the prototype for reg_alloc.
22109 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22112 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
22113 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
22114 sjlj and dwarf2 exception handling.
22115 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
22116 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
22117 * pa/pa.c (function_value): Treat complex and vector types as
22119 (function_arg): Likewise. Only pass scalar floats in the floating
22120 point argument registers.
22121 * pa/t-slibgcc-dwarf-ver: New file.
22122 * pa/t-slibgcc-sjlj-ver: New file.
22123 * pa/t-slibgcc-elf-ver: Delete file.
22125 2006-01-19 Alan Modra <amodra@bigpond.net.au>
22127 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
22128 unlikely_test_section_p test.
22130 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22132 * mode-switching.c (optimize_mode_switching): Make it static.
22133 * basic-block.h: Remove the prototype for
22134 optimize_mode_switching.
22136 * modulo-sched.c (sms_schedule): Make it static.
22137 * rtl.h: Remove the prototype for sms_schedule.
22139 * postreload-gcse.c (gcse_after_reload_main): Make it static.
22140 * rtl.h: Remove the prototype for gcse_after_reload_main.
22142 * reg-stack.c (reg_to_stack): Make it static.
22143 * rtl.h: Remove the prototype for reg_to_stack.
22145 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
22147 * rtl.h: Remove the prototypes for regrename_optimize and
22148 copyprop_hardreg_forward.
22150 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
22152 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
22153 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
22154 Test against the appropriate null constant for the mode.
22155 If 'fixup_overlap' is true, swap the operands if they overlap.
22156 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
22157 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
22158 alpha_split_tmode_pair and adjust for above change.
22159 * config/alpha/alpha.md (movtf_internal): Adjust call to
22160 alpha_split_tfmode_pair and rely on it to swap the operands.
22161 (movti_internal): New insn and post-reload splitter.
22162 (movti): New expander.
22164 2006-01-18 Philippe De Muyter <phdm@macqel.be>
22166 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
22169 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22171 * rtlanal.c (global_reg_mentioned_p_1,
22172 global_reg_mentioned_p): Remove.
22173 * rtl.h: Remove the prototype for global_reg_mentioned_p.
22175 * flow.c (initialize_uninitialized_subregs): Make it static.
22176 * rtl.h: Remove the prototype for
22177 initialize_uninitialized_subregs.
22179 * function.c (instantiate_virtual_regs): Make it static.
22180 * function.h: Remove the prototype for
22181 instantiate_virtual_regs.
22183 * regmove.c (regmove_optimize, combine_stack_adjustments):
22185 * rtl.h: Remove the prototypes for regmove_optimize and
22186 combine_stack_adjustments.
22188 2006-01-17 Roger Sayle <roger@eyesopen.com>
22190 * config/i386/i386.c (COSTS_N_BYTES): New macro.
22191 (size_cost): Encode costs in bytes so that a reg-reg addition is
22192 equivalent to COSTS_N_INSNS(1).
22193 (override_options): Use the size_cost.branch_cost as the default
22194 ix86_branch_cost when optimizing for size.
22196 2006-01-18 Ben Elliston <bje@au.ibm.com>
22198 * Makefile.in (D32PBIT_FUNCS): New.
22199 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
22200 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
22201 D64PBIT_FUNCS and D128PBIT_FUNCS.
22202 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
22203 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
22205 (decnumber_dep): Define.
22206 * doc/libgcc.texi (Decimal float library routines): New node.
22207 * config/dfp-bit.h, config/dfp-bit.c: New files.
22209 2006-01-18 Ben Elliston <bje@au.ibm.com>
22211 * expr.c (emit_move_change_mode): Always adjust addresses, not
22212 just during reload. Copy replacements only during reload.
22213 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
22214 emit_move_via_integer.
22216 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
22218 * Makefile.in (check-%, check-consistency): Use $${srcdir}
22219 instead of $(srcdir) and ${srcdir}.
22221 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
22224 PR middle-end/11135
22225 * arm.h (struct machine_function): Add pic_reg.
22226 * arm.c (arm_pic_register): Make unsigned.
22227 (arm_override_options): Only set arm_pic_register if
22228 TARGET_SINGLE_PIC_BASE.
22229 (use_return_insn): Only test for a pic register if it is fixed.
22230 (arm_compute_save_reg0_reg12_mask): Likewise.
22231 (thumb_compute_save_reg_mask): Likewise.
22232 (legitimate_pic_operand): Factor out some known invariants.
22233 (legitimize_pic_address): If we don't have a fixed pic register,
22234 then set up a pseudo in the function entry sequence. Handle the
22235 pic base being in a pseudo.
22236 (arm_load_pic_register): Handle the pic register being in a pseudo.
22237 (arm_expand_prologue): Only set up the pic register if it is fixed.
22238 (thumb_expand_prologue): Likewise.
22239 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
22240 (pic_load_addr_based_insn): Likewise.
22241 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
22244 2006-01-18 Ben Elliston <bje@au.ibm.com>
22246 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
22247 decimal float modes for all floating point registers.
22249 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
22250 match_code "mem" with match_test "macho_lo_sum_memory_operand".
22252 2006-01-17 Jakub Jelinek <jakub@redhat.com>
22255 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
22256 even when the pointer is not NULL.
22258 2006-01-16 Ian Lance Taylor <ian@airs.com>
22260 * common.opt (ftoplevel-reorder): New option.
22261 * cgraph.c (cgraph_asm_nodes): New global variable.
22262 (cgraph_asm_last_node): New static variable.
22263 (cgraph_order): New global variable.
22264 (cgraph_create_node): Set new order field.
22265 (cgraph_varpool_node): Likewise.
22266 (decide_is_variable_needed): Return true if not
22267 flag_toplevel_reorder.
22268 (cgraph_add_asm_node): New function.
22269 * cgraph.h (struct cgraph_node): Add order field.
22270 (struct cgraph_varpool_node): Add order field.
22271 (struct cgraph_asm_node): Define.
22272 (cgraph_asm_nodes, cgraph_order): Declare.
22273 (cgraph_add_asm_node): Declare.
22274 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
22276 (cgraph_varpool_assemble_pending_decls): Call it.
22277 (cgraph_output_pending_asms): New static function.
22278 (cgraph_finalize_compilation_unit): Call it.
22279 (struct cgraph_order_sort): Define.
22280 (cgraph_output_in_order): New static function.
22281 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
22282 !flag_toplevel_reorder case.
22283 * c-parser.c: Include "cgraph.h".
22284 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
22286 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
22287 than -fno-unit-at-a-time.
22288 * doc/invoke.texi (Option Summary): Mention
22289 -fno-toplevel-reorder.
22290 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
22291 -funit-at-a-time documentation.
22293 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
22294 Kazu Hirata <kazu@codesourcery.com>
22296 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
22298 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
22300 * Makefile.in (FUNCTION_H): New. Use it instead of
22301 function.h throughout the file.
22302 * function.h: Include tree.h.
22304 2006-01-17 Ben Elliston <bje@au.ibm.com>
22306 * recog.c: Separate some functions with whitespace.
22308 2006-01-16 Richard Henderson <rth@redhat.com>
22310 Merge from gomp branch:
22311 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
22312 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
22313 and rename from struct inline_data. Rename callee* to dst*;
22314 caller* to src*; add copy_decl hook, transform_call_graph_edges,
22315 transform_new_cfg, transform_return_to_modify, and
22316 transform_lang_insert_block flags; remove cloning_p, versioning_p,
22318 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
22319 (copy_decl_for_dup): Remove.
22320 * tree-inline.c (struct inline_data): Move to header.
22321 (insert_decl_map): Export.
22322 (remap_decl): Update for member name changes. Use copy_decl hook.
22323 Allow for replacement to be a non-decl. Remove dead code.
22324 (remap_type_1): Check for existing mapping.
22325 (remap_type): Export.
22326 (remap_decls): Update for member name changes.
22327 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
22328 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
22329 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
22330 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
22331 (tree_function_versioning, build_duplicate_type): Likewise.
22332 (copy_body_r): Likewise. Export.
22333 (copy_decl_for_dup): Split into ...
22334 (copy_decl_for_dup_finish, copy_decl_to_var,
22335 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
22336 (replace_ref_tree, inlining_p): Remove.
22338 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22340 * ifcvt.c (if_convert): Make it static.
22341 * rtl.h: Remove the prototype for if_convert.
22343 * local-alloc.c (local_alloc): Make it static.
22344 * rtl.h: Remove the prototype for local_alloc.
22346 * loop.c (loop_optimize): Make it static.
22347 * cfgloop.h: Remove the prototype for loop_optimize.
22350 2006-01-16 DJ Delorie <dj@redhat.com>
22352 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
22355 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22357 * pa.md: Disparage copies between general and floating-point registers
22358 in 32-bit move patterns.
22360 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
22363 * Makefile.in (check-%): Depend on site.exp instead of
22364 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
22367 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22369 * global.c (global_alloc): Make it static.
22370 * rtl.h: Remove the prototype for global_alloc.
22372 2006-01-16 Richard Guenther <rguenther@suse.de>
22374 * tree-ssa-alias.c (struct used_part): Add write_only field.
22375 (get_or_create_used_part_for): Initialize it to true.
22376 (create_overlap_variables_for): Don't create structure variables
22377 for structures that only are written to.
22378 (find_used_portions): Handle MODIFY_EXPR to track whether a
22379 structure is only written to.
22381 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22383 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
22385 * basic-block.h: Remove the prototype for
22386 partition_hot_cold_basic_blocks.
22388 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
22390 * cppspec.c (lang_specific_spec_functions): Remove.
22391 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
22392 * gcc.h (lang_specific_spec_functions): Remove.
22393 * gccspec.c (lang_specific_spec_functions): Remove.
22395 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
22397 * combine.c (record_value_for_reg): Invalidate registers
22399 (record_dead_and_set_regs_1): Likewise, by passing them to
22400 record_value_for_reg.
22401 (record_dead_and_set_regs): Invalidate stores made by a
22402 call. We do not combine across a call, but we still
22403 relied on equivalences.
22405 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22407 * tree-vrp.c (extract_range_from_binary_expr): Cope with
22408 vrp_int_const_binop returning non-constant nodes.
22410 2006-01-16 Paul Brook <paul@codesourcery.com>
22412 * config/m68k/m68k.c (output_move_const_into_data_reg):
22413 Output correct mnemonic for mvz and mvs.
22415 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
22417 * rtl-factoring.c: Add sequence abstraction algorithm.
22418 * cfgcleanup.c (outgoing_edges_match): Extra checks.
22419 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
22421 (block_has_preserve_label): New function.
22422 * common.opt: Register new pass.
22423 * Makefile.in: Ditto.
22425 * timevar.def: Ditto.
22426 * tree-pass.h: Ditto.
22427 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
22428 * rtl.h (make_jump_insn_raw): Add forward decl.
22429 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
22431 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22432 Roger Sayle <roger@eyesopen.com>
22434 * fold-const.c (fold_minmax): New static function.
22435 (fold_binary) <MIN_EXPR>: Call it.
22436 <MAX_EXPR>: Likewise.
22437 * stor-layout.c (place_field): Use DECL_SIZE consistently
22438 in the computation of the new record size.
22440 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22442 * cse.c (cse_condition_code_reg): Make it static.
22443 * rtl.h: Remove the prototype for cse_condition_code_reg.
22445 * combine.c (combine_instructions): Make it static.
22446 * rtl.h: Remove the prototype for combine_instructions.
22448 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22451 * tree.c (get_file_function_name_long): Concatenate the first global
22452 object name with a string derived from the input filename of the object
22455 2006-01-16 Ben Elliston <bje@au.ibm.com>
22457 * config/i386/winnt-stubs.c: Update FSF address.
22458 * config/xtensa/ieee754-df.S: Ditto.
22459 * config/xtensa/ieee754-sf.S: Ditto.
22461 2006-01-14 Ian Lance Taylor <ian@airs.com>
22463 * ifcvt.c (noce_init_if_info): New static function, broken out of
22464 noce_process_if_block.
22465 (noce_process_if_block): Call noce_init_if_info.
22466 (check_cond_move_block): New static function.
22467 (cond_move_process_if_block): New static function.
22468 (process_if_block): Call cond_move_process_if_block.
22470 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
22472 * cselib.c (hash_table): Rename to cselib_hash_table.
22473 (cselib_clear_table, discard_useless_values,
22474 remove_useless_values, cselib_lookup_mem, cselib_lookup,
22475 cselib_init, cselib_finish): Adjust uses of hash_table.
22477 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
22479 PR tree-optimization/25485
22480 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
22481 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
22482 is known to be false and true, respectively.
22484 2006-01-14 Richard Guenther <rguenther@suse.de>
22486 PR tree-optimization/22548
22487 PR tree-optimization/22555
22488 PR tree-optimization/22501
22489 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
22490 * params.def (salias-max-array-elements): New parameter.
22491 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
22492 * doc/invoke.texi (salias-max-array-elements): Document.
22493 * tree-flow-inline.h (var_can_have_subvars): We also handle
22495 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22497 * tree-ssa-structalias.c (params.h): Include.
22498 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
22499 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
22500 (get_constraint_for): For ADDR_EXPR operating on something
22501 containing an ARRAY_REF, add all subvars to the solution.
22502 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
22503 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
22504 for creating MUST_DEFs.
22505 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22507 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
22509 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22511 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
22512 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22513 number_of_iterations_le): New functions.
22514 (number_of_iterations_special): Removed.
22515 (number_of_iterations_exit): Do not use number_of_iterations_special.
22516 * tree.c (unsigned_type_for): Always return integer type.
22518 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
22519 Richard Guenther <rguenther@suse.de>
22521 PR rtl-optimization/24257
22522 * gcse.c (find_moveable_store): Only consider a store movable
22523 when the SET_SRC of the insn can be assigned to a register.
22525 2006-01-14 Ian Lance Taylor <ian@airs.com>
22527 * tree.c (tree_not_class_check_failed): New function.
22528 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22529 (tree_not_class_check_failed): Declare.
22531 2006-01-13 Ian Lance Taylor <ian@airs.com>
22533 * reload1.c (do_output_reload): Add assertion rejecting a
22536 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
22538 * combine.c (struct reg_stat): Add new fields truncation_label and
22540 (record_value_for_reg): Reset truncated_to_mode.
22541 (record_truncated_value): New function.
22542 (check_promoted_subreg): Call it. Rename to check_conversions.
22543 (combine_instructions): Rename check_promoted_subreg to
22545 (reg_truncated_to_mode): New function.
22546 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
22547 (gen_lowpart_or_truncate): New function.
22548 (force_to_mode): Use it instead of gen_lowpart.
22550 2006-01-13 Diego Novillo <dnovillo@redhat.com>
22552 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
22553 VAR is a tag, not its type tag.
22555 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
22557 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22558 alternatives to match style of other entries.
22559 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
22561 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
22563 PR tree-optimization/25771
22564 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22567 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
22570 * tree-inline.c (declare_return_variable): If the return variable
22571 was marked as a non gimple complex, set the return slot variable
22572 to be a non gimple comple variable.
22574 2006-01-13 Richard Guenther <rguenther@suse.de>
22576 * builtins.c (expand_builtin_sincos): New function.
22577 (expand_builtin_mathfn_3): Remove dead code, sin and cos
22579 (expand_builtin): Expand sincos using expand_builtin_sincos.
22581 2006-01-12 DJ Delorie <dj@redhat.com>
22583 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22584 shift counts, separate SI shifts for m32c vs m16c, pass shift type
22585 so that constant shifts can be split.
22586 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22587 (m32c_valid_pointer_mode): Make static.
22588 (shift_gen_func_for): New.
22589 (m32c_prepare_shift): Use it. Split large const shifts into
22591 * config/m32c/predicates.md (shiftcount_operand): Allow more
22593 (longshiftcount_operand): New.
22594 * doc/md.texi (Machine Constraints): Document In6.
22596 2006-01-13 Ben Elliston <bje@au.ibm.com>
22598 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22599 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22602 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
22604 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22605 to try to avoid clobbering pieces of structures when we know
22606 something about the whole structure.
22607 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22609 2006-01-13 Ben Elliston <bje@au.ibm.com>
22611 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22612 return in memory, as this is no limitation is no longer present.
22614 2006-01-12 DJ Delorie <dj@redhat.com>
22616 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22617 mova with fb, and for fb+0 -> An.
22619 * config/m32c/mov.md (peephole2): Fix enabling logic.
22621 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22622 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22623 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22624 FINI_ARRAY_SECTION_ASM_OP): Define.
22626 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22628 (m32c_legitimize_reload_address): New logic to reload FB to An.
22629 (m32c_output_reg_push): Add newline.
22630 (m32c_output_reg_pop): Likewise.
22632 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22634 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22636 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22638 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22640 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22642 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22645 2006-01-11 Ben Elliston <bje@au.ibm.com>
22647 * rtlanal.c (find_reg_note): Assert insn is not null.
22649 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22651 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22654 2006-01-11 Jeff Law <law@redhat.com>
22656 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22658 (mark_threaded_blocks, register_jump_thread): New functions.
22659 (thread_through_all_blocks): Remove unwanted argument. No
22660 longer rely on e->aux to communicate thread target info.
22661 Call mark_threaded_blocks. Release the threaded_blocks
22662 bitmap and threaded_edges vector when complete.
22663 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22664 (threaded_blocks): Remove.
22665 (tree_ssa_dominator_optimize): Remove initialization and
22666 finalization of threaded_blocks. Simplify call to
22667 thread_through_all_blocks.
22668 (thread_across_edge): Call register_jump_thread rather than
22669 storing thread information into e->aux.
22670 (free_all_edge_infos): Simplify now that e->aux is no longer
22671 used to communicate with thread_through_all_blocks.
22672 * tree-flow.h (thread_through_all_blocks): Update prototype.
22673 (register_jump_thread): Prototype.
22675 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22677 * df-core.c (df_compact_blocks, df_bb_replace): Use
22678 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22680 2006-01-11 Richard Guenther <rguenther@suse.de>
22682 PR tree-optimization/25734
22683 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22684 stop propagation after successful propagation to the LHS.
22686 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22688 * basic-block.h (control_flow_graph): Change the type of
22689 x_basic_block_info to VEC(basic_block,gc) *.
22690 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22692 (SET_BASIC_BLOCK): New.
22693 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22694 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22695 * cfgbuild.c (find_basic_blocks): Likewise.
22696 * cfglayout.c (fixup_reorder_chain): Likewise.
22697 * cfgrtl.c (create_basic_block_structure,
22698 rtl_create_basic_block): Likewise.
22699 * ifcvt.c (find_if_case_1): Likewise.
22700 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22703 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22705 * Makefile.in: Removed rotted odf.c entry.
22707 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22710 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22711 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22712 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22713 output pattern modifier, not %e.
22714 * config/cris/cris.c (cris_op_str): Update comment about pattern
22716 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22717 before falling through into...
22718 <case 'E'>: Redefined from old 'e' case.
22720 2006-01-11 Jan Hubicka <jh@suse.cz>
22723 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22725 2006-01-11 Jan Hubicka <jh@suse.cz>
22727 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22728 * i386.c (x86_decompose_lea): Kill.
22729 (ix86_rtx_costs): Kill.
22731 2006-01-11 Jan Hubicka <jh@suse.cz>
22733 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22734 * cgraph.h (cgraph_node): Add inline_decl.
22735 (cgraph_insert_node_to_hashtable): Declare.
22736 (save_inline_function_body): Declare.
22737 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22739 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22740 (cgraph_function_versioning): Update call of tree_function_versioning.
22741 (save_inline_function_body): New function.
22742 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22743 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22744 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22745 (cgraph_default_inline_p): Likewise.
22746 (cgraph_decide_inlining_incrementally): Likewise.
22747 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22748 (copy_bb): Kill saving; do updating of clones.
22749 (copy_cfg_body): Kill saving.
22750 (initialize_inlined-parameters): Likewise.
22751 (expand_call_inline): Likewise.
22753 (tree_function_versioning): New parameter "update_clones".
22754 (inlining_p): Kill saving.
22755 * tree-inline.h (tree_function_versioning): Update prototype.
22756 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22759 2006-01-11 Ian Lance Taylor <ian@airs.com>
22761 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22762 Allow undoing set of machine mode.
22763 (do_SUBST): Use enums instead of is_int.
22764 (do_SUBST_MODE): New function.
22765 (SUBST_MODE): New macro.
22766 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22767 reg and trying to replace reg_regno_rtx with a new register.
22768 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22769 (simplify_set): Use SUBST_MODE.
22770 (distribute_notes): Remove code that tried to update reg notes
22771 for regno_reg_rtx changes.
22773 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22775 PR tree-optimization/23109
22776 PR tree-optimization/23948
22777 PR tree-optimization/24123
22779 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22780 * tree-cfg.c (single_noncomplex_succ): New.
22781 * tree-flow.h (single_noncomplex_succ): Declare it.
22782 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22783 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22784 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22785 insert_bb, register_division_in, insert_reciprocals,
22786 replace_reciprocal, free_bb): New.
22787 (execute_cse_reciprocals_1): Rewritten.
22788 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22789 Do not commit any edge insertion. Always compute dominators and
22790 create the allocation pool.
22791 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22792 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22793 * targhooks.c (default_min_divistions_for_recip_mul): New.
22794 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22795 * passes.c (init_optimization_passes): Run recip after tree loop
22797 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22799 2006-01-11 Danny Berlin <dberlin@dberlin.org>
22800 Kenneth Zadeck <zadeck@naturalbridge.com>
22802 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22803 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22804 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22805 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22806 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22807 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22808 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22809 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22810 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22811 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22812 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22813 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22814 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22815 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22816 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22817 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22818 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22819 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22820 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22821 DF_SCAN_POST_ALLOC): New macros.
22822 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22823 df_free_bb_function, df_local_compute_function, df_init_function,
22824 df_dataflow_function, df_confluence_function_0,
22825 df_confluence_function_n, df_transfer_function,
22826 df_finalizer_function, df_free_function, df_dump_problem_function,
22827 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22828 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22829 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22830 df_urec_bb_info, ) New types.
22831 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22833 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22834 df_analyze_simple_change_some_blocks,
22835 df_analyze_simple_change_one_block, df_compact_blocks,
22836 df_bb_replace, df_bb_regno_last_use_find,
22837 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22838 df_insn_regno_def_p, df_find_def, df_find_use,
22839 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22840 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22841 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22842 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22843 debug_df_chain, df_get_dependent_problem, df_chain_create,
22844 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22845 df_grow_bb_info, df_chain_dump, df_print_bb_index,
22846 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22847 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22848 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22849 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22850 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22851 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22852 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22853 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22854 df_reorganize_refs, df_set_state, df_hard_reg_init,
22855 df_read_modify_subreg_p) New public functions.
22856 * df-core.c: The core dataflow solver and glue routines for rtl
22858 (df_init, df_add_problem, df_set_blocks, df_finish,
22859 df_hybrid_search_forward, df_hybrid_search_backward,
22860 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22861 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22862 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22863 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22864 df_reg_defined, df_find_use, df_reg_used, df_dump,
22865 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22866 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22867 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22868 debug_df_useno, reset_df_after_reload): New functions.
22869 * df-scan.c: The scanning fuctions, once in df.c, completely
22870 rewritten so that they now fully model the functionality of
22871 register usage at the backend.
22872 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22873 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22874 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22875 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22876 df_get_artificial_defs, df_get_artificial_uses,
22877 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22878 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22879 df_refs_delete, df_reorganize_refs, df_set_state,
22880 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22881 df_def_record_1, df_defs_record, df_uses_record,
22882 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22883 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22884 df_record_exit_block_uses, df_hard_reg_init): New functions.
22886 * df-problems.c: Seven concrete dataflow problems that use the
22887 scanning in df-scan.c and are solved by the engine in df-core.c.
22888 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22889 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22890 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22891 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22892 df_ru_free_bb_info, df_ru_alloc,
22893 df_ru_bb_local_compute_process_def,
22894 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22895 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22896 df_ru_transfer_function, df_ru_free, df_ru_dump,
22897 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22898 df_rd_free_bb_info, df_rd_alloc,
22899 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22900 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22901 df_rd_transfer_function, df_rd_free, df_rd_dump,
22902 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22903 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22904 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22905 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22906 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22907 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22908 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22909 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22910 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22911 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22912 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22913 df_urec_mark_reg_use_for_earlyclobber,
22914 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22915 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22916 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22917 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22918 df_chain_create_bb_process_use, df_chain_create_bb,
22919 df_chain_finalize, df_chain_free, df_chains_dump,
22920 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22921 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22922 df_reg_lifetime): New functions.
22923 * df.c: Deleted file.
22924 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22925 consistent with new df api.
22926 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22927 rest_of_handle_sms): Ditto.
22928 * web.c (unionfind_union, union_defs, entry_register, web_main):
22930 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22931 invariant_expr_equal_p, find_defs, check_dependencies,
22932 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22933 free_inv_motion_data, move_loop_invariants): Ditto.
22934 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22935 Update dependencies.
22936 (odf.c): Added defective entry that was deleted later in day.
22937 * sched-deps.c (sched_analyze_1): Ditto.
22939 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22941 * tree-ssa-operands.c (get_expr_operands): Record addressable
22942 variables directly. Do not call add_stmt_operands for CONST_DECLs
22944 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22945 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22947 2006-01-11 Ben Elliston <bje@au.ibm.com>
22949 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22950 function returns true in the positive case.
22952 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22955 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22956 for SI, DI, SF and DF modes. Add alternatives to copy between
22957 general and floating point registers to the 32-bit patterns.
22958 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22959 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22960 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22961 generating 64-bit code.
22962 * config/pa/pa.c (output_move_double): Handle copies between general
22963 and floating registers.
22965 2006-01-10 Stuart Hastings <stuart@apple.com>
22967 * config/i386/i386.md (set_got): Update.
22968 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22969 (builtin_setjmp_receiver): Mach-O support.
22970 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22971 (GOT_SYMBOL_NAME): Define.
22972 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22973 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22974 * config/i386/i386.c (override_options): Revise for Darwin.
22975 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22976 support. (darwin_x86_file_end): New. (output_set_got): Add label
22977 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22978 * config/i386/i386-protos.h (output_set_got): Likewise.
22979 * config/darwin.c (machopic_legitimize_pic_address): Update
22982 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22984 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22985 when MODE isn't BLKmode.
22987 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22989 PR rtl-optimization/25367
22990 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22992 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22995 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22996 for a negative bound.
22998 2006-01-10 Richard Guenther <rguenther@suse.de>
23000 * tree-ssa-structalias.c (get_constraint_for_component_ref):
23001 Never override with anything constraint.
23003 2006-01-10 Jan Beulich <jbeulich@novell.com>
23005 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
23006 256 bits when optimize_size.
23008 2006-01-10 Jan Beulich <jbeulich@novell.com>
23010 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
23012 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
23013 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
23016 2006-01-10 Ben Elliston <bje@au.ibm.com>
23018 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
23020 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
23021 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
23022 (USE_FP_FOR_ARG): Reject decimal float modes.
23023 (function_arg_advance): Likewise.
23024 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
23025 (rs6000_handle_altivec_attribute): Do not permit decimal floating
23026 point types in AltiVec vectors.
23027 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
23028 (rs6000_libcall_value): Likewise.
23030 2006-01-09 Bob Wilson <bob.wilson@acm.org>
23032 * config/xtensa/ieee754-df.S: New file.
23033 * config/xtensa/ieee754-sf.S: New file.
23034 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
23035 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
23036 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
23038 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
23040 * config/sh/predicates.md (binary_float_operator,
23041 binary_logical_operator, commutative_float_operator,
23042 equality_comparison_operator, greater_comparison_operator,
23043 less_comparison_operator, logical_operator,
23044 noncommutative_float_operator, shift_operator,
23045 symbol_ref_operand, unary_float_operator): Remove redundant
23048 2006-01-09 Jeff Law <law@redhat.com>
23050 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
23051 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
23052 now unused arguments. Callers updated.
23053 (eliminate_redundant_computations): Remove now unused arguments,
23055 (local_fold): Remove, no longer used.
23056 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
23058 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
23059 (simplify_cond): New function.
23060 (forward_propagate_into_cond): Call simplify_cond.
23062 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
23064 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
23065 (*vec_extractv2di_1_sse): New.
23067 2006-01-09 Ben Elliston <bje@au.ibm.com>
23069 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
23071 2006-01-08 Richard Guenther <rguenther@suse.de>
23073 * tree-ssa-structalias.c (get_constraint_for): Remove
23074 anyoffset argument.
23075 (get_constraint_for_component_ref): Likewise.
23076 (do_deref): Likewise.
23077 (get_constraint_for): Likewise.
23078 (do_structure_copy): Likewise.
23079 (handle_ptr_arith): Likewise.
23080 (find_func_aliases): Likewise. Remove unused need_anyoffset
23083 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
23084 Kaz Kojima <kkojima@gcc.gnu.org>
23086 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
23087 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
23088 (EXTRA_CONSTRAINT_C16): Remove.
23089 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
23090 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
23091 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
23092 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
23093 constants of SHmedia. Handle nested constant expressions of
23095 (andcosts): Fix the costs for SHmedia constants.
23096 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
23097 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
23098 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
23099 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
23100 (movv4hi_i, movv2si_i): Likewise.
23101 (movsi_const): Adjust the second operand of ior so to match with
23102 the Csu constraint.
23103 (movdi_const, movdi_const_32bit): Likewise.
23104 (movdi_const_16bit+1): Don't sign-extend LOW.
23105 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
23107 (*double_shori): Fix the split condition. Use GEN_INT instead
23108 of get_int_mode calls. Mask lower 16-bit of the argument of
23110 (sym2GOTPLT): Remove.
23111 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
23113 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
23114 instead of EXTRA_CONSTRAINT_C16.
23116 2006-01-07 Ian Lance Taylor <ian@airs.com>
23117 David Edelsohn <edelsohn@gnu.org>
23119 PR rtl-optimization/25662
23120 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
23121 for constant operands instead of simplify_gen_binary.
23122 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
23123 after trying simplify_binary_operation
23125 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
23127 * tree.c (iterative_hash_expr): Hash decls based on UID.
23129 2006-01-06 Eric Christopher <echristo@apple.com>
23131 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
23132 (TARGET_UNWIND_EMIT): Fix spelling.
23133 * target.h (gcc_target): Add except_table_label.
23134 * except.c (output_function_exception_table): Use.
23135 * varasm.c (default_emit_except_table_label): New.
23136 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
23138 (asm_out): Add here.
23139 * output.h (default_emit_except_table_label): Prototype.
23140 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
23141 * config/darwin.c (darwin_emit_except_table_label): Define.
23142 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
23144 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
23146 PR tree-optimization/18527
23147 * tree-ssa-loop-niter.c (number_of_iterations_cond,
23148 number_of_iterations_special, number_of_iterations_exit):
23149 Move base and step of an iv to a single structure. Add
23150 no_overflow flag, and use it in # of iterations analysis.
23151 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
23152 folded_casts argument.
23153 (simple_iv): Pass base and step in a structure. Set no_overflow
23155 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
23156 Evaluate expensiveness of computing # of iterations instead of
23157 the final expression.
23158 * tree-scalar-evolution.h (affine_iv): New structure.
23159 (simple_iv): Declaration changed.
23160 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
23161 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
23162 find_givs_in_stmt): Changed due to simple_iv change.
23164 2006-01-06 Jeff Law <law@redhat.com>
23167 * tree-cfg.c (bsi_replace): Rename final argument from
23168 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
23169 change (stmt -> orig_stmt).
23170 * tree-eh.c (verify_eh_throw_stmt_node): New function.
23171 (bsi_remove): Add new argument. Remove EH information
23173 (verify_eh_throw_table_statements): New function.
23174 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
23176 * tree-optimize.c (execute_free_cfg_annotations): Verify
23177 the EH throw statement table after removing annotations.
23178 * except.h (verify_eh_throw_table_statements): Prototype.
23179 * tree-flow.h (bsi_remove): Update prototype.
23180 * tree-vrp.c (remove_range_assertions): Add new argument to
23182 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
23183 * tree-complex.c (expand_complex_div_wide): Likewise.
23184 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
23185 * tree-tailcall.c (eliminate_tailcall): Likewise.
23186 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
23187 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
23188 * tree-nrv.c (tree_nrv): Likewise.
23189 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
23190 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
23191 (combine_blocks): Likewise.
23192 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
23193 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
23194 (cleanup_control_flow): Likewise.
23195 (remove_forwarder_block): Likewise.
23196 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
23197 * tree-sra.c (sra_replace): Likewise.
23198 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
23199 (forward_propagate_single_use_vars): Likewise.
23200 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
23201 * tree-inline.c (expand_call_inline): Likewise.
23202 * tree-vect-transform.c (vect_transform_loop): Likewise.
23203 * tree-outof-ssa.c (rewrite_trees): Likewise.
23204 * tree-cfg.c (make_goto_expr_edges): Likewise.
23205 (cleanup_dead_labels): Likewise.
23206 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
23207 (bsi_move_before, bsi_move_after): Likewise.
23208 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
23209 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
23211 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
23214 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
23216 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
23217 on non gimple variables. Also add checks at the top for decls and
23219 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
23221 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
23222 and IMAGPART_EXPR for creating MUST_DEFs.
23223 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
23224 and NAME_MEMORY_TAG separately from the DECLs.
23226 2006-01-06 Richard Guenther <rguenther@suse.de>
23228 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
23229 annotation, if necessary.
23230 * tree-ssa-pre.c (create_expression_by_pieces): Remove
23231 redundant calls to update_stmt.
23232 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
23235 2006-01-05 Richard Henderson <rth@redhat.com>
23237 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
23239 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
23241 * c-typeck.c: Update copyright date.
23243 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
23245 * c-typeck.c (build_c_cast): Always warn when casting
23246 from a pointer to an integer of different size, even if
23247 the node was constant.
23249 2006-01-05 Richard Guenther <rguenther@suse.de>
23251 PR tree-optimization/22555
23252 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
23253 if one structure field is an array.
23254 * tree-ssa-operands.c (get_expr_operands): Continue scanning
23255 operands even if we found a subvar, but ignore VOPs in this
23257 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
23259 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
23261 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
23263 PR middle-end/24998
23264 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
23266 2006-01-05 Richard Guenther <rguenther@suse.de>
23267 Diego Novillo <dnovillo@redhat.com>
23269 * tree-pass.h (TODO_remove_unused_locals): Define.
23270 * gimple-low.c (expand_var_p, remove_useless_vars,
23271 pass_remove_useless_vars): Remove. Update all users.
23272 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
23273 (remove_unused_locals): New function.
23274 * tree-flow.h (remove_unused_locals): Declare.
23275 * passes.c (execute_todo): Call remove_unused_locals if
23276 TODO_remove_unused_locals is set.
23277 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
23278 * tree-ssa-dce.c (pass_dce): Likewise.
23279 * tree-outof-ssa.c (pass_del_ssa): Likewise.
23281 2006-01-05 Richard Guenther <rguenther@suse.de>
23283 * tree-flow.h (struct fieldoff): Decompose field to
23284 type, size and decl.
23285 * tree-ssa-alias.c (create_sft): Take type as parameter.
23286 (create_overlap_variables_for): Store type, size and decl
23287 in the fieldoff structure.
23288 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
23289 of struct fieldoff.
23290 (push_fields_onto_fieldstack): Likewise.
23291 (create_variable_info_for): Likewise. Use offset for the
23292 SFT name if the decl is not available.
23294 2006-01-04 Paul Brook <paul@codesourcery.com>
23296 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
23298 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
23300 * lambda-code.c (can_put_in_inner_loop): Relax
23302 (can_put_after_inner_loop): New function.
23303 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
23304 (perfect_nestify): Change to make copies and modify uses.
23306 2006-01-04 Richard Henderson <rth@redhat.com>
23308 Merge from gomp branch:
23309 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
23310 via integer constant.
23311 (pragma_lex): Remove.
23312 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
23313 rather than parsing it.
23314 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
23315 handle_pragma_extern_prefix): Add %< %> quotes.
23316 (registered_pragmas): New.
23317 (c_register_pragma_1): New.
23318 (c_register_pragma): Use it.
23319 (c_register_pragma_with_expansion): Likewise.
23320 (c_invoke_pragma_handler): New.
23321 (init_pragma): Use cpp_register_deferred_pragma directly for
23323 * c-pragma.h (enum pragma_kind): New.
23324 (pragma_handler): New.
23325 (c_invoke_pragma_handler): Declare.
23326 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
23328 * c-common.h (c_common_pch_pragma): Update decl.
23329 * Makefile.in (c-parser.o): Update dependencies.
23330 (GTFILES): Add c-pragma.h.
23331 * c-parser.c (struct c_token): Add pragma_kind.
23332 (struct c_parser): Add in_pragma.
23333 (c_lex_one_token): Always initialize keyword and pragma_kind.
23334 Extract data for CPP_PRAGMA.
23335 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
23336 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
23337 Don't allow CPP_PRAGMA_EOL if in_pragma.
23338 (c_parser_consume_pragma): New.
23339 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
23340 (c_parser_skip_to_end_of_parameter): Likewise.
23341 (c_parser_skip_to_end_of_block_or_statement): Likewise.
23342 (c_parser_skip_to_pragma_eol): New.
23343 (c_parser_external_declaration): Handle CPP_PRAGMA.
23344 (c_parser_compound_statement_nostart): Likewise.
23345 (c_parser_statement_after_labels): Likewise.
23346 (c_parser_pragma): New.
23347 (pragma_lex): Likewise.
23348 (c_parser_pragma_pch_preprocess): New.
23349 (c_parser_new): Merge into ...
23350 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
23352 2006-01-04 Jeff Law <law@redhat.com>
23355 * tree-cfg.c (bsi_replace): Remove the original statement
23356 from the EH throw statement table.
23358 2006-01-04 Jakub Jelinek <jakub@redhat.com>
23360 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
23361 make the prototype extern "C" and add throw ().
23364 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
23365 and pos non-negative and pos + len <= 32.
23366 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
23367 drop pos + len < HOST_BITS_PER_WIDE_INT test.
23368 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
23371 * c-common.c (handle_vector_size_attribute): Reject zero vector size
23372 as well as sizes not multiple of component size.
23375 * function.c (instantiate_expr): New function.
23376 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
23377 walk its DECL_VALUE_EXPR with instantiate_expr.
23379 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
23380 DW_OP_deref{,_size} if address isn't going to be added.
23382 2006-01-04 Ben Elliston <bje@au.ibm.com>
23384 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
23385 * config/fp-bit.c: Likewise.
23387 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
23389 * dominance.c: Add comment about why we use DFS numbering
23392 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23393 Richard Henderson <rth@redhat.com>
23395 Merge from gomp-branch:
23396 * varasm.c (assemble_variable): Handle thread-local COMMON data.
23397 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
23399 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
23401 PR rtl-optimization/25578
23402 * combine.c (combine_simplify_rtx, force_to_mode): Don't
23403 pass a parameter to simplify_shift_const if changing ASHIFTRT
23406 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
23408 * builtins.c (get_builtin_sync_mem): New function.
23409 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
23410 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
23411 Call get_builtin_sync_mem to generate mem rtx.
23413 2006-01-03 Richard Guenther <rguenther@suse.de>
23416 * stmt.c (add_case_node): Make sure to clear overflow flags
23419 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23421 Merge from gomp-branch.
23422 * config/sparc/sync.md: New file.
23423 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
23424 UNSPECV_LDSTUB): New constants.
23425 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
23426 * config/sparc/predicates.md (memory_reg_operand): New predicate.
23427 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
23430 2006-01-03 Roger Sayle <roger@eyesopen.com>
23432 * combine.c (reg_subword_p): New predicate to test whether the
23433 destination of a set refers to a subword/piece of a register.
23434 (try_combine): Generalize the code to merge the setting of a
23435 pseudo to a constant followed by a set of a subword of that
23436 register to a constant.
23438 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
23440 * basic-block.h (control_flow_graph): Change the type of
23441 x_label_to_block_map to VEC(basic_block,gc) *.
23442 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
23443 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
23445 * tree-ssa-propagate.c (cfg_blocks): Change the type to
23446 VEC(basic_block,heap) *.
23447 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
23448 ssa_prop_fini): Adjust the uses of cfg_blocks.
23450 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
23452 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
23454 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
23455 hashing trees instead of a pointer hash.
23456 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
23457 compare for MEM_EXPR.
23459 PR rtl-optimization/25130
23460 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
23461 when comparing MEMs for GCSE
23463 2006-01-03 Ben Elliston <bje@au.ibm.com>
23465 * targhooks.h (default_decimal_float_supported_p): Declare.
23466 * targhooks.c (default_decimal_float_supported_p): Define.
23467 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
23468 `default_decimal_float_supported_p'.
23469 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
23471 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
23473 * combine.c (apply_distributive_law <SUBREG>): Check
23474 TRULY_NOOP_TRUNCATION.
23476 2006-01-02 Geoffrey Keating <geoffk@apple.com>
23478 * dwarf2out.c (have_switched_text_section): Delete.
23479 (have_multiple_function_sections): New.
23480 (have_location_lists): Make 'bool'.
23481 (add_AT_loc_list): Use 'true' not '1'.
23482 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
23483 (output_loc_list): Use have_multiple_function_sections.
23484 (output_ranges): Likewise.
23485 (dwarf2out_begin_function): Set have_multiple_function_sections if
23487 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
23488 Check function_section rather than DECL_SECTION_NAME.
23489 (dwarf2out_finish): Use have_multiple_function_sections.
23490 Don't clear have_location_lists.
23492 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
23493 Jan Hubicka <jh@suse.cz>
23495 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
23496 case of conditional jump jumping to the next instruction.
23497 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
23498 cases of conditional jump jumping to the next instruction.
23500 2006-01-02 Jan Hubicka <jh@suse.cz>
23502 * i386.c (*_cost): Add COSTS_N_INSNS.
23503 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
23505 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
23508 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23510 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
23512 * config/arm/arm.c (all_fpus): Fix comment typo.
23513 * config/darwin.c: Likewise.
23514 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23515 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23516 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23518 2006-01-01 David Edelsohn <edelsohn@gnu.org>
23520 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23521 (rs6000_split_compare_and_swapqhi): New.
23522 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23523 (sync_compare_and_swapqhi_internal): New.
23524 * config/rs6000/rs6000-protos.h: Declare.